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LCD液晶专业术语

来源:本站 作者:匿名 发布:2012/3/2 修改:2012/3/2

隶属:LCD技术资料 点击:12392

Backlight:背光。 
CCFL(CCFT) (Cold Cathode Fluorescent Light/Tube):
冷阴极荧光灯。
Composite vide
复合视频。
Component vide
分量视频。
COB(Chip On Board):IC
裸片通过邦定固定于印刷线路板上。
COF(Chip On Film):
将IC封装于柔性线路板上。
COG(Chip On Glass):
将IC封装于玻璃上。
CRT(Cathode Radial Tube):
阴极射线管。
DPI(Dot Per Inch):
点每英寸。 

Duty:
占空比,高出点亮的阀值电压的部分在一个周期中所占的比率。  
DVI(Digital Visual Interface):
(VGA)数字接口。
ECB(Electrically Controlled Birefringence):
电控双折射。
EL(Electro luminescence):
电致发光。EL层由高分子量薄片构成 
FSTN(Formulated STN):
薄膜补偿型STN,用于黑白显示。
HTN(High Twisted Nematic):
高扭曲向列的显示类型。
IC(Integrate Circuit):
集成电路。
Inverter:
逆变器。  
ITO(Indium-Tin Oxide):
氧化铟锡。
LCD(Liquid Crystal Display):
液晶显示器。
LCM(Liquid Crystal Module):
液晶模块。  
LED(Light Emitting Diode):
发光二极管。
LVDS(Low Voltage Differential Signaling):
低压差分信号。
NTSC(National Television Systems Committee):NTSC
制式,全国电视系统委员会制式
OSD(On Screen Display):
在屏上显示。
PAL(Phase Alternating Line):PAL
制式(逐行倒相制式)。
PCB(Print Circuit Board):
印刷线路板。
PDP(Plasma Display Panel):
等离子体显示。
SECAM(SEquential Couleur Avec Memoire):SECAM
制式(顺序与存储彩色电视系统) 
STN(Supper Twisted Nematic):
超扭曲向列的显示类型。
S-videS
端子,与复合视频信号比,将对比和颜色分离传输。
TAB(Tape Automated Bonding):
柔性带自动连接 。
TCP(Tape Carrier Package):
柔性线路板。

TFT(Thin Film Transistor):
薄膜晶体管显示类型。
TMDS(Transition Minimized Differential Signaling)
TN(Twisted Nematic):
扭曲向列的显示类型。
VFD(Vacuum Fluorescence Display):
真空荧光显示。
VGA(Video Graphic Array):
视频图形阵列。
VOD(Video On Demand):
视频点播。

有效顯示區域( Active Area)

LCD Panel 的有效顯示區域,即可顯示文字圖形的總面積,參考下圖,白色區域即此片Panel 的有效顯示區域。

開口率(Aperture Ratio)

開口率即是每個畫素可透光的有效區域除以畫素的總面積,開口率越高,整體畫面越亮。

畫面比率(Aspect Ratio)

Aspect Ratio為畫面寬與高之比率。電腦畫面及一般影像畫面比率為 4:3 HDTV則可提供16:9的寬平面螢幕畫面。

B/M (Black Matrix) :

於 Color Filter 上,用來遮住R、G、B 各Pixel 間之空隙,可大幅減少LCD光點間彼此干擾所產生的光害,呈現更穩定且清晰的影像品質,提昇了閱讀上的舒適度,同時也減輕了長期使用所造成的眼部壓力及疲累感。

CCFL(冷陰極射線管)

Cold Cathode Fluorescent Lamp

將高壓施加於燈管之兩電極, 電子即由電極端射出, 電子因受高電壓加速而與管內之水銀原子撞擊, 水銀原子在被撞擊後由不穩定狀態急速返回穩定狀態時, 會將過剩能量以紫外線 (253.7 nm) 釋放出來, 此釋放出來之紫外線由螢光粉吸收轉換成可視光.

C/F(彩色濾光片)(Color Filter) :

彩色濾光片上有排列整齊之 RGB(三原色)畫素,射入的光可經由濾光片轉變混合成各種顏色。

LTPS 〈低溫多晶矽〉

LTPS (Low Temperature Poly Silicon)低溫多晶矽,就是在攝氏600oC或更低的溫度下經過雷射回火 (Laser anneal)的製程步驟所生產的多晶矽,具有高開口率、可內建驅動IC等週邊電路於玻璃基板上、 TFT 反應速度更快且面積縮小、接點數及零件數減少、系統設計簡單化,面板可*度提升,以及降低材料成本等優點。

Luminance〈明亮度〉

明亮度指一物件之可見亮度。其取決於可反射光之多寡並由一平方公尺(cd/m2)內之多少燭光來衡量其亮度。因表面物之反射屬性之多樣化,類似的照明度因物件表面反射屬性之不同而造成不同的明視度。例如,同樣的光源照射於一黑一白的房間,黑色房間之明視度相較於白色房間的明視度是非常低而且昏暗。

Moire

一種因LCD面板與背光模組刻痕方向不能匹配所造成的光干涉現象。

Mura

水波紋:指在顯示影像時,所產生的畫面局部或全面的不均勻現象。

Response Time〈反應時間〉

的是螢幕畫素接收到信號後,由白轉黑(Tr)及由黑轉白(Tf)所需轉變時間。所需轉變時間是越短越好。較短的反應時間使畫面轉換更為順暢。一般而言,其都低於60ms. Response time =Tr+Tf

Resolution of Display

VGA = Video Graphics Array 640xRGBx480 Dot  

SVGA = Super Video Graphics Array 800xRGx600 Dot  

XGA = Extended Graphics Array  1,024xRGBx768 Dot  

SXGA = Super Extended Graphics Array  1,280xRGBx1,024 Dot  

SXGA+ = Super Extended Graphics Array + 1,400xRGBx1,050 Dot  

UXGA = Ultra Extended Graphics Array 1,600xRGBx1,200Dot  

Spacer〈間隔粒子〉

於兩片玻璃基板間, 所均勻灑上的球形樹脂粒子, 用來撐出一個間隙, 以灌入液晶, 其作用類似我們蓋房子時的柱子。

Uniformity〈均勻度〉

畫面的均勻度;將一Panel分為數等份,分別測量其中心點的亮度,所測得的最小值除以最大值即是此Panel均勻度,均勻度越高表示Panel畫面越穩定。

View Angle〈視角〉

面對螢幕,往其上、下、左、右四方觀測,調整此螢幕直到其無法由此四方看到螢幕畫面之角度。以監看者之視覺舒適,可調整視角之廣狹。

Back light〈背光源〉

液晶Panel的背面所設置光源。螢光燈管(熱陰極管或冷陰極管)、導光板、擴散板所構成。

Contrast Ratio〈對比度〉

此為黑色與白色之間的對比。比值越高,色彩越鮮明。

FPC

Flexible Printed Circuit;可彎曲印刷電路。

Inverter 〈換流器〉

DC/AC換流器主要應用於TFT 面板背光源之power supply。它使用高電壓來驅動冷陰極射線管。此獨特的電力儀器具有高瓦特數、高效能及堅實小巧的設計。

LVDS

Low Voltage Differential Signaling;數位顯示介面,具有高效能、高速與低功率消耗等特色。

Laser Anneal〈雷射回火〉

低溫多晶矽與非晶矽最大差異在於,LTPS 的薄膜電晶體TFT,經過雷射回火 (Laser anneal)的製程步驟;利用雷射作為熱源,雷射光經過投射系統後,會產生能量均勻分布的光束,投射於非晶矽結構的玻璃基板上,當非晶矽結構玻璃基板吸收雷射的能量後,會轉變成為多晶矽結構

QCIF

QCIF (Quarter Common Intermediate Format):

QCIF 為視訊會議格式,其每秒可傳輸30頁的資料,每一頁有144行、每一行有 176畫素(pixel)。 其解析度為CIF之1/4。QCIF為 ITU H.261 視訊會議之標準。CIF 及QCIF互為相容並適用於NTSC, PAL 及SECAM三種TV標準。

White Chromaticity

White Chromaticity 為衡量RGB三原色的均衡值的測量方法。較高之色溫產生偏藍的白色; 較低的色溫產生偏紅的白色。

a-Si                    A

amorphous silicon  

以材料結構而言,amorphous的意思是指未結晶的狀態。Amorphous silicon膜具有作為半導體材料之特性,可用plasma CVD裝置在400℃以下的温度下形成。因此成為使用玻璃基板之主動矩陣(active matrix)方式液晶面板的TFT主力元件材料。

Amorphous means lacking distinct crystalline in material structure’s term. Amorphous silicon film has the quality that can be used as material of semiconductor. It can be formed by using plasma CVD equipment under temperature of 400 degree C. Therefore, it is the major material for manufacturing TFT of LCD panel, which uses glass substrate with active matrix.

a-Si TFT

amorphous Silicon Thin Film Transistor

以amorphous silicon為構成材料之電場效果型的薄膜電晶體。帶有source、drain、gate三種電極之3端子元件。最常使用為主動矩陣(active matrix)液晶顯示器的開關。

The Field Effect type TFT with amorphous silicon material contains three terminal components of three types of electrodes: source, drain, and gate. They are often used as the switch of active matrix type LCD.

ACF

Anisotropic Conductive Film  

異方性導電膜,指含有導電性粒子之熱硬化或熱可塑性的樹脂薄膜。主要用於液晶顯示面板與驅動IC之訊號傳輸連結,需針對不同之接合介面選擇適合導電粒子及密度,一般而言用於fine pitch之導電粒子其直徑約為3~5 um。

Anisotropic conductive film means the thermosetting or thermal plastic resin film which contains conductivity particle. It is used major in LCD panel, and to drive the signal connection, transmitting in IC. Different interface connection requires specific conductivity particles and density accordingly. Generally speaking, the diameter of conductivity particles, which used for fine pitch, should be three to five um.

Active area Active area

 

在液晶顯示面板中具有顯示功能之畫素總面積。
英:
In LCD screen, it serves the purpose of showing the total surface area of functional pixels.

 

 

Active matrix Active matrix

 

在畫素或dot上設置主動元件,於寫入期間啟動主動元件而寫入data電壓、其他期間則關閉主動元件以維持電壓之矩陣驅動方式。依據主動元件的種類區分為3端子型的TFT方式與2端子型的TFD(MIM)方式。2端子型的製造工程可簡化。
英:
It sets active components on pixel or dot, witch activate active component to write data voltage during the writing period, and during other period, it shut off active component to maintain voltage of matrix driving method. According to different types of active component, it is divided into either 3-terminal model TFT or 2-terminal model TFD (MIM) methods. The manufacturing process of 2-terminal model can be simplified.

 

Anti-glare treatment Anti-glare treatment

 

在液晶面板表面設置凹凸,以降低鏡面反射之處理。Anti-glare處理的程度是利用積分球式光線透過率量測方式,以全光線透過率與散亂光透過率的比定義的。
英:
Convex and concave surface is configured on the LCD panel as the treatment to reduce the reflection of mirror. The extent of Anti-glare is to use the measuring method of light penetration of integral sphere model to define the ratio between the rate of full-light penetration and the rate of scatter light

 

Anti-reflection Anti-reflection

 

在表面上包覆多層折射率不同的膜,用來消除界面的反射光之處理。
英:
It is a treatment to eliminate reflection light from interface surface, by coating many layers of film with different reflecting rate on the surface.

 

Aperture ratio Aperture ratio

 

單一畫素中可透光面積與畫素總面積之比值。開口率之大小與TFT所使用之金屬導線特性及Cell製程能力有關。
英:
It is the ratio of the luminary surface in a single pixel comparing to the surface of total pixels. The opening rate is determined by the nature of metal interconnect and the capability of Cell manufacturing of TFT.

 

APR® plate APR® plate

 

液狀紫外線硬化型樹脂凸版。厚度從1.0~3.0都有,種類甚多,為了提供液體的轉寫效率,在畫面部分的表面增加一層網狀物。製版時,版係根據版體的直徑,事先將畫像縮小後製成。因為版即使在螢光燈下也會加促硬化,故保管上必須非常注意。(旭化成工業(株)的登記商標)
英:
There are many kinds of resin projecting plate of UV hardening model in liquid state with a thickness ranging from 1.0 to 3.0; for the purpose of elevating the efficiency of pattern transformation for the liquid, the surface of the picture portion has been mounted a layer of meshed stuff. When perform the plate making, the pattern has been miniaturized and then finished in accordance with the diameter of plate. Since the hardening of plate will be promoted even under fluorescent light, special attention is required for preservation. (Trademark of Asahi Chemical Industrial Co., Ltd ).

 

Array Array

 

指玻璃基板上已配置TFT等switching元件,但未成為Cell前的狀態。
英:
It is the state in which the screen has been equipped with TFT switching device, but it is still not a cell yet.

 

Aspect ratio Aspect ratio

 

顯像後的resist膜,或用蝕刻形成於基板上的pattern之深度與寬度的比。Aspect比= b/a(a:蝕刻的寬度,b:蝕刻的深度)
英:
It is the ratio between the depth and width of the pattern on the etched substrate or the resist film after pattern is developed. Aspect ratio = b/a (a : etching width, b : etching depth)

                      B

Back exposure Back exposure

 

將已經形成在基板上的pattern作成光罩,由基板背面露光之方法
英:
It is a method of making the semiconductor mast from well formed pattern on the substrate, and exposes the back of the substrate to light.

 

Backlight Backlight

 

由於液晶顯示器為非發光型,為了強化顯示的能見度,將液晶面板背面的光加以投射之裝置。光源以螢光燈管為主流,分為冷陰極管與熱陰極管。構造上可分為直下型與側光型。
英:
Because the LCD does not luminesce itself, and to re-enforce the visibility of it, there is a device to project the light from the back of a LCD panel. The majority of light source comes from the fluorescent light tube, which is divided into two different types: Cold Cathode Fluorescent Lamp and Hot Cathode Fluorescent Lamp. The structure can also divided into two different types: direct type and side light type.

 

Bezel Bezel

 

LCD面板組件,用以維持╱保護B/L組件之外側外殼。一般採用金屬板之成形品。
英:
It’s a part of the LCD screen, and used to maintain/protect the side shell of B/L components. Normally, it is a product from metal plate.

 

Black Matrix Black Matrix

 

在液晶面板所使用的color filter上,為了分離RGB各畫素作成的格子狀或條紋狀的構造。BM亦具有預防外部光源造成TFT錯誤動作的功能。現在雖以單層鉻、低反射鉻為主流,但樹脂BM也已相繼投入市場。
英:
BM is used to separate the grid or strip structure made from RGB pixels on the color filter applied on LCD panel. BM also serves another purpose of preventing the malfunction of TFT resulted from outside light source. Although, single layer and low reflection chromium are the majority in the market, but resin BM also becomes another popular product.

 

                            C

Cell Cell

 

指在二片玻璃基板合起來後所形成的幾微米的間隙內封入液晶材料的Panel。
英:
Cell is the panel of liquid crystal that fills into the micro meter gap formed by combining two glasses substrates.

 

Cell gap Cell gap

 

指TFT基板與color filter基板上ITO膜之間隙,間隙之大小會影響液晶顯示面板之穿透率及液晶反應時間。
英:
Cell Gap is the gap between ITO film on color filter substrate and TFT substrate. The size of the gap affects the transmittance of LCD display substrate and response time of liquid crystal.

 

CF Color Filter

 

為了使液晶彩色顯示器能顯示彩色,在液晶cell內構成的零件之一,在透明基板上依規則配列紅、綠、藍3個原色的pattern。Color filter一般是由遮光用的Black matrix、color顯示用的著色pattern、保護著色pattern的透明保護膜、以及驅動液晶用的透明電極膜等4種要素所構成。
英:
In order for LCD to generate colors, there is a pattern with Red, Green and Blue , which is one of the parts in the LC cell. Color filter is structured by 4 major components: Black Matrix to block light, pattern to display colors, transparent protection film made from protection pattern and transparent electrode film used for driver LC.

 

CIE chromaticity diagram CIE chromaticity diagram

 

以平面表現色度座標之圖形。在XYZ表色系及X10Y10Z10表色系中,原則上採用x, y或x10y10的直接座標,分別稱為CIE1931色度圖或CIE1964色度圖。又稱為xy色度圖或x10y10色度圖。
英:
CIE chromaticity diagram shows the graph of 2 dimensional color coordinate. On the XYZ color graph and X10Y10Z10 color graph, it uses x, y or x10y10 direct coordinate, and they are called CIE1931 color graph or CIE 1964 color graph. It is also known as xy or x10y10 chromaticity diagram.

 

COF Chip On Film

 

直接將IC chip接續在可撓曲印刷電路板(flexible printed circuit board)的電極端子上之方式,為Chip On Film的簡稱。此種IC構裝方法之特長為可撓曲印刷電路板之薄型化,其厚度約為TCP之1/3,可提高液晶顯示模組構裝之可*度。目前所使用之接合方式 有導電膜、導電膠及共晶接合。
英:
It is a simplified term of Chip On Film, which is a method of connecting IC chip to the electrode terminal of flexible printed circuit board. The specialty of this IC package method can thinner the flexible printed circuit board, which is about one third of thickness of TCP. It also increases the reliability of the liquid crystal display module. The current connecting processes used are: conductivity film, conductivity paste and eutectic conjunction.

 

COG Chip On Glass

 

直接將驅動IC之I/O與顯示玻璃基板的電極端子面對面接合之方式,COG模組構裝所使用之驅動IC必須先長凸塊(bumping),液晶面板模組構裝之凸塊材質為Au,目前以ACF為接合材料之製程較成熟。
英:
It is a process of connecting electrode terminal of display glass substrate and I/O of Driving IC directly to each other. The Driving IC must have bumping, and the material used for liquid crystal substrate bumping is Au. The manufacturing process, which uses ACF as its connecting material, is more matured.

 

COP Chip On Plastic

 

直接將IC chip接續在塑膠基板的電極端子上之方式,為Chip On Plastic之簡稱。裝設塑膠基板液晶面板之driver IC時所使用的。
英:
It is a simplified term of Chip On Plastic, which is a method of connecting IC chip to the electrode terminal of plastic substrate. It is used for setting the driver IC onto the liquid crystal panel of plastic substrate.

 

Cold cathode fluorescent tube Cold cathode fluorescent tube

 

為Back light其中一種光源,採用金屬陰極之螢光燈管。利用高電場引起發光放電,然後用此放電所產生的紫外線激發螢光體而發光之放電燈管。基於發熱、壽命之考量,大多採用冷陰極管。
英:
It is one of the light sources used in Back light, and it uses the fluorescent tube of metal cathode. The discharge tube that uses high electrical field to cause glow discharge and the ultra violet light generated from this type of discharge would trigger the fluorescent particle and glow. Considering the heat and life time factors, the cold cathode fluorescent tube is more frequently used.

 

Contrast ratio Contrast ratio

 

液晶On╱Off時最大輝度與最小輝度之比。液晶依畫面視角的不同,其contrast也會跟著改變,因此以最大的對比來表示。通常STN以10:1表示、TFT以100:1表示。
英:
The ratio between the maximum and minimum brightness when the LC is On / Off. The contrast changes with different viewing angles, and therefore, maximum contrast ratio is used for display. Generally, STN is 10:1 and TFT is 100:1 for display.

 

CD Critical Dimension

 

一般是指100um以下的pattern線寬或間隔,為表示pattern位置之尺寸值。使用於露光量、現象條件、蝕刻條件等製程參數,或製品尺寸管理方面。
英:
CD means the gap or width between patterns under 100 um, and it is to show the dimension measurement of location of pattern. It is used as a parameter of light exposure quantity, and etching conditions in manufacturing process or dimension management aspect of products.

 

Crosstalk Crosstalk

 

由於畫素間信號干涉,使對比高的畫面輪廓在背景部產生的拖曳現象。每個畫素都設置理想switch的主動矩陣方式不會產生crosstalk。
英:
Due to the signal interferences between pixels, the background would generate dragging phenomenon in high contrast screen. Cross talk can be eliminated by fixing activate matrix type of ideal switch on each pixel.

                              D

Dark defect Dark defect

 

不隨信號改變而一直保持低輝度狀態的點狀缺陷。
英:
Dark defect is a kind of dot form fault that does not change with signals and keeps in low BRIL status.

 

Data line Data line

 

FT基板中傳達顯示信號之垂直方向的配線。因為接續在各畫素TFT的Source電極或Drain 電極上,故又稱為Source線或Drain線。線寬通常為數um到10um不等。
英:
It is the perpendicular wiring used in TFT substrate to transfer display signals. Because it is connected with the Source electrode or Drain electrode on each pixel in TFT, it is also known as Source line or Drain line. The width of the line is often between few um to 10 um.

 

Dichroic Mirror Dichroic Mirror

 

僅選擇在特定的波長區域內的光來做反射的光學鏡。一般是利用層積的多層膜的光之干涉經由反射而取出各式各樣的顏色的光。使用在投寫型的投影機上。
英:
It is a kind of optical mirror that only reflects certain light in some chosen light spectrum. Normally, many layers of film to interfere with light and with reflection to generate various color of light. It is applied to projectors with poly-silicon LCD.

 

Dot Dot

 

構成各畫素的要素點(顯示的最小構成點)。
英:
Dot is the point that constructs each pixel. (the smallest display unit)

 

Driver IC Driver IC

 

驅動液晶面板的廻路或IC。Matrix顯示有掃描電極(行電極)Driver與信號電極(列電極)Driver二種。由QFP變遷為TCP。多矽晶(poly-silicon)的面板則是直接將Driver IC形成在顯示面板中。
英:
It is the IC that drives the LCD. There two types of display matrix: Scanning electrode (column electrode) Driver and Signal electrode (row electrode) Driver. The package of driver changes from QFP to TCP. The Driver IC of poly-silicon LCD panel forms directly in the display screen.

 

Dual scan Dual Scan

 

將液晶面板的配線自上下兩端開始接續的方法。
英:
It is a method of connecting continuously from top and bottom wiring in the LCD.

                              E

EWS engineering workstation

 

擁有color graphic display與高度演算能力,技術者為了能互動地執行LSI或electronics system之開發、設計所用的電腦。透過電腦網路與其他EWS相互接續而達到設計Data共有化,以構築效率良好的分散設計環境。
英:
It is a computer designed for high color graphic display calculation, and it is used for execute LSI interactively or for electronics system development. Through network, it can connect to other EWS to achieve data sharing designing, hence, better and efficient distributed deigning environment are built.

                             F

Flatness Flatness

 

大多指heat head與支撐台的平行度。熱壓著時,每個tool相互間的關係比平行度重要。
英:
Most of the time, Flatness means the parallelism between the heat tool and support platform. When there is heat, the relationships between each tool is more important than the parallelism.

 

Flicker Flicker

 

畫面輝度之周期性變動。也稱為閃爍。出現Cross Talk較多的畫面其Flicker也會較明顯。其起因與Crosstalk相同。
英:
Flicker is a periodic change of the brightness of the screen. Flicker is more obvious when there are more cross talk, and the cause of flicker is the same as Crosstalk.

 

FPC Flexible Printed Circuit

 

可撓曲印刷配線板。使用於實裝有液晶driver IC的印刷基板與COG基板等界面上之配線板。
英:
FPC means flexible printed circuit board. FPC is the circuit that applies to printing circuit with LC driver IC and COG circuit interface.

 

FCA Flip Chip Attachment

 

為face down bonding其中一種。指將LSI chip上的接續電極直接接續在基板或package的配線用電極上。一般是在LSI chip上形成焊錫bump與基板接續,但COG則是使用導電paste、ACF等來接續bump與基板。
英:
FCA is one type of the face down bonding. It means attaching the connecting electrode of LSI chip directly to the circuit or wiring electrode of package. Generally, LSI chip forms the soldering bump and attach to the circuit, but COG uses conductivity paste, or ACF for attachment between bump and circuit.

 

FLCD Ferroelectric Liquid Crystal Display

 

指強誘電性液晶。材料使用sematic液晶,屬於單純matrix 方式,可做高速應答。雖然使用在大型panel上價格較便宜,但另一方面,由於很難做安定的配向,故在畫面的要求上有其困難之處。
英:
It uses sematic LC as its material, which belongs to simple matrix type, and has high speed response. Although it is cheaper to apply on large type panel, but on the other hand, it is very hard to achieve stability. Therefore, it is difficult to achieve quality of the screen.

 

 

Folding TCP Folding TCP

 

將實裝後的TCP折彎一次或二次之形態的TCP。有助於面板邊框area之狹小化。
英:
Folding TCP is formed by folding the fixed TCP once or twice, and it helps to minimise the frame area of circuit.

                         G

GPS GPS

 

以美國24個衛星傳來的時間與位置等情報為基準而知道現在位置的方法。將這個情報與地圖情報搭配使用的方法即可汽車導航系統。
英:
Global Positioning System allows users to find out the time, and exact current location through 24 different satellites. Applying this system and map information achieves the vehicle navigation system.

 

Gray scale Gray scale

 

指介於最大輝度與最小輝度之間的中間調顯示。數位信號輸入時,與2, 3, 4, 6, 8 bit相對應的有4, 8, 16, 64, 256階調。類比信號輸入則可作無限階調之顯示。階調顯示的方式分為液晶驅動電壓變化及frame間的時間調節。
英:
Gray scale is for tuning the display between maximum and minimum brightness. When digital signal is input to it, according to 2, 3, 4, 6 and 8 bit, there are 4, 8, 16, 64 and 256 different gray levels. Analogue input can be used for infinity level tuning display. There are two ways of gray scale: LC driving voltage tuning and frame rate control.

                                            I

ILB Inner Lead Bonding

 

內引腳接合,指驅動IC之bump與Poly-imide tape上之Cu lead以Eutectic Bonding方式接合之製程。
英:
ILB bonding is a manufacturing process which attach the bump of Driver IC to the Cu lead on poly-imide tape with Eutectic Bonding method.

 

Image sticking Image sticking

 

經過長時間顯示同一pattern後,切換至其他顯示時,前面的pattern會長時間殘留的現象。
英:
After a long displaying time of the same color pattern, the color pattern would stay on the screen over a period of time, once switched to other color display.

 

Interconnection pitch Interconnection pitch

 

指接續pad或bump間的pitch。未必與畫素pitch一致。使用面bump LSI時,接續pad可比畫素pitch大。
英:
Interconnection pitch is the pitch connects pads or bumps, and it is not necessary to be the same as the pixel pitch. When using the bump LSI, the pad pitch can be larger than the pixel pitch.

Interlace Interlace

 

將1個frame分成奇數號掃描及偶數號掃描這二種區域,使這二種區域交替驅動之方式。可抑制閃爍。主要使用於電視顯示方面。電腦則以non-interlace驅動為主。
英:
To split a frame into two areas with odd and even scanning lines. By allowing these two areas to switch driving modes between each other, flickering can be reduced. This is mainly used in traditional television sets. Computer monitors mostly use non-interlace mode.

 

Inverted staggered structure TFT Inverted staggered structure TFT

 

Gate電極配置於下部(bottom gate)之stagger構造的TFT。可在真空中連續形成gate絕緣膜及半導體層,因為易於使MOS界面清淨化等理由,為多數的a-Si TFT所採用。
英:
It is a type of TFT that has Gate electrode fixed to the stagger of bottom gate. The gate insulated film and semi conductor layer can be formed in vacuum status. It is mostly applied to a-Si TFT because it is easier to purify MOS interface with it.

 

Inverter Inverter

 

將B╱L光源(螢光燈或EC)以高周波點亮的點燈回路。
英:
It is a lighting circuit that lights the radiofrequency with B / L light source (florescent lamp or EC)

                                    

                                          K

KGD Known Good Die

 

Known good die之簡稱。指經確認為良品之LSI chip。在chip level中受品質保証,但成本較高。
英:
KGD is a high quality LSI chip, and it has quality guarantee in its chip level and cost more.

                                     L

LCD Liquid Crystal Display

 

液晶顯示器。利用偏極化光及液晶分子之特有光電特性,以電壓控制畫素之亮及暗,達到影像明暗對比之效果。
英:
LCD utilizes the polarization light and special light and electrical property of LC molecule to control the darkness and lightness of pixel with voltage. Hence, to achieve the effect of contrast between bright and dark.

 

LCD Controller LCD Controller

 

供給Driver回路(IC)上必要的timing信號等控制信號的回路(IC)。
英:
LCD controller supplies the necessary timing signal for Driver IC and other signal controlling IC.

 

LCD Driver LCD Driver

 

指驅動液晶panel的回路或IC。以matrix來表示,可分為行電極Driver與列電極Driver
英:
LCD Driver is for driving LC panel circuit or IC. In matrix terms, it can be differentiated into column electrode Driver and row electrode Driver.

 

LCD Projector LCD Projector

 

將小型的液晶面板(LCD panel)放大投影而取得大畫面之方式。可分為使用3片單色TFT的3板式及使用1片彩色TFT的單板式。從價格、重量來看,單板式較有利。3板式係利 用二色鏡(dichroic mirror)自光源的光中取出光的三原色後進行彩色之顯示。分為rear pro 與 front pro二種方式。就亮度來說,rear pro較有利。
英:
A method to magnify and project a smaller-sized LCD panel into a bigger display. This can be achieved by using either three single-color TFT or one color TFT. From a price and weight standpoint, it should be more beneficial to use the one color TFT method. The three single-color TFT method uses a dichroic mirror to display the colors from external light sources. It is divided into rear projector and front projector. In terms of brightness, rear projector has more advantages than front projector.

 

Line defect Line defect

 

出現於水平及垂直之線狀的顯示缺陷。
英:
Line defect is a display defect which appears in horizontal or vertical lines.

 

Luminance Luminance

 

畫面的明亮度。單位為cd/m2。 在透過型TFT彩色液晶上則是指液晶面板的透過率與B/L輝度之積
英:
It’s the luminance of the screen, and unit of measure is cd/m2. In TFT Color LC terms, it is the product of light through rate and B/L brightness.

                                     M

MA MA
Module Assembly
Module Assembly)

 

將panel、PCB、bezel等零件組裝起來成為液晶Module的工程。
英:
Module Assembly engineering is to assemble panel, PCB, bezel and other parts to a LC module

 

MIM Metal Insulator Metal

 

用2片具有非線形抵抗性之薄絕緣體的金屬膜挾住的2端子元件。絕緣體一般採用TaOx。使用為主動矩陣液晶顯示器之開關。
英:
MIM is a component that uses 2 piece of nonlinear resistance thin insulated metal film to hold 2 terminals. TaOx is often used as the insulator and function as the switch of active matrix LCD.

 

Mother glass Mother glass

 

母玻璃基板,TFT使用無鹼玻璃(為防止鹼離子對於TFT的污染);C-ST(N) 使用碳酸鈉石灰玻璃(普通玻璃)。又稱為可作多面取前的大塊玻璃,目前TFT-LCD廠之世代即是以Mother Glass大小區分
英:
TFT uses alkali-free glass (to prevent pollution from alkaline ion to TFT); Color STN uses natronite lime glass (normal glass). It is also known as glass in large size for poly-facet processing., the generation of current TFT-LCD factories generation are differentiated by the size of Mother Glass.

 

MLS Drive Multi Line Selection Drive

 

由OPTLEX所開發之一種能使C-ST(N)的contrast比提昇的技術。利用同時選擇及驅動複數的線以實現高速應答與高對比。
英:
A development process derived from OPTLEX which utilizes the C-ST (N) process. At the same time, it selects and drives multiple lines to enable a high-speed response and contrast

 

Mura Mura

 

輝度色度某部份不均勻的現象。色度不均勻的現象稱為色Mura。
英:
Mura is a phenomenon when the BRIL and color rate are not even, and uneven color rate is known as Mura color.

 

Mushroom bump Mushroom bump

 

斷面形狀像茸狀的bump。鍍層電鍍得比電鍍光阻的厚度高而形成的。
英:
The cross-section of bump is like mushroom, and it is formed when the electroplating plate thickness is higher than the photo resister.

                

                            

N

ND filter Neutral Density filter
Neutral Density filter )

 

不管波長為何,為了以一定的比率減弱光的強度以得到適當的光量所使用的濾光器,是一種不會改變光束的大小,但可以減少光量的濾光器。分為全面均一濃度的個 別type及能針對角度表示線狀濃度變化的圓形type二種。裝置於檢查裝置內的CCD camera前部,其目的是使DUT image的明亮度達到最適化。
英:
The light filter device that works regardless of the light spectrum, and will reduce the light according to certain ratio to obtain suitable amount of light. It does not change the size of the light beam, but to decrease the quantity of light. It is differentiated into 2 types: one type is to even the density of whole surface and another round shaped type which varies the light density according to different angle. It is fixed to the front part of a checking device, CCD camera, which is used to adjust the luminance of DUT image to the most suitable status.

 

Non interlace Non interlace

 

將畫面的一個Frame從上面一條一條線的依順序掃描來表示的驅動方式。個人電腦用的Monitor是其代表。
英:
Non interlace is a driving method, which used widely in PC’s monitor, scans line by line accordingly.

 

NTSC National Television System Committe

 

電視機信號的標準方式之一。以美國、日本為中心而被使用。掃描線數525條,每秒使用30 Frame,為減低Flicker而分為偶數╱奇數 filter來掃描。
英:
NTSC is one of the standard TV signal that used mostly in America and Japan. It scans 525 lines, and 30 frames in a second. In order to reduce flicker, it is scanned with even / odd number filter.

                               O

OLB Outer Lead Bonding

 

Tape bonding時,自inner bonding完成的tape上切取已連接die的outer lead部分,堆疊在package或基板的電極上,然後以加熱及加壓的方式將之接合的裝置。此種接合方式稱為outer lead bonding。
英:
During Tape bonding, by cutting the outer lead part from the die which is connected to the tape formed from inner bonding, and then adding heat and pressure to complete the attachment. This type of attachment is called out lead bonding.

P

PAL PAL

 

電視機信號的標準方式之一。以歐洲、東南亞為中心而被使用。掃描線數625條,每秒使用25 frame,與NTSC一樣分為偶數╱奇數filter來掃描。
英:
PAL is one of the standard TV signals that used mostly in Europe and South East Asia. It scans 625 lines, and 25 frames in a second. Like NTSC, it is scanned with even / odd number filter.

 

Passive matrix Passive matrix

 

各畫素上沒有主動元件,掃描電極與data電極的交*部對應到畫素或dot上,然後直接印加驅動信號的矩陣方式。顯示類型有TN、STN等,主要採 multi-plex驅動。一般是指將common及segment的電極形成於各位的玻璃基板上,使這些電極交*並將液晶包在這些電極之間的形式。
英:
There is no active components on each pixel, the grid matrix activates the driving signal directly by scanning the cross part of electrode and data electrode to the according pixel or dot. Forming the common and segment electrode on individual glass substrate, the Passive matrix is constructed by wrapping the electrode crosses within LC.

 

PEP Photo Etching Process
Photo Etching Process )

 

使用感光光阻,僅就必要的厚度來蝕刻特定的場所以得到希望的配線的方法。
英:
PEP uses photo resistive sensor to obtain expected wiring with necessary thickness in specific etching environment

 

Pitch Pitch

 

指光罩上規則配列的pattern中,任意2個量測pattern中心點的距離。
英:
It is the distance between the center of any 2 measured pattern, which is in a regular shape in the photo mask.

 

Pixel defect Pixel defect

 

在TFT等active方式上出現之以畫素為單位的顯示缺陷,其代表性的缺陷是在黑顯示時光線被遮住而成白缺陷或相反地成黑缺陷、以及平時點燈時的輝點缺陷等。形成原因有TFT的動作不良或者異物、接觸不良等等各種原因。很難明確地指出其原因。
英:
It is a displaying defect of pixel unit which shows on active type of TFT. The property of such defect is when the light is blocked and shows white defect while displaying black color and vice versa.

Poly-si TFT Poly-silicon Thin Film Transistor

 

以多結晶(poly silicon)為構成材料之薄膜電晶體。電荷移動度大約比非結晶矽(amorphous silicon)大一位數,因為可小型化,故主要使用於投射型面板上。
英:
The mobility of charge is approximately one order faster than amorphous silicon, so it can be made into small size. Therefore, it is widely applied to projector type screen.

 

Post bonding Post bonding

 

利用治具透過TCP對ACF層作加熱及加壓,使ACF膠材聚合反應率達90%u以上,以增加TCP與面板之連接強度並作導通。
英:
By using bonding equipment to add heat and pressures to TCP and ACF layers, and make the cross-linking rate of ACF material to 90% and above. Hence, it increases the bonding and conductivity between TCP and circuit board

 

PPI Pixel Per Inch

 

指在Active Area對角線上單位英吋所具有之畫素數目,用以表示畫面之解析度。
英:
The total amount of pixels of active areas on diagonal lines with inch unit, which shows the resolution of screen.

 

PWB Printed Wiring Board

 

將連接回路零件的電氣配線依適當的方法在絕緣物上以電氣導體再現。一般指上面沒有零件的電路板。
英:
By using appropriate method on the electrical wiring of circuit connecting parts, to show the electrical conductor on insulating material. It normally means the circuit board without parts on it.

 

Pre-bonding Pre-bonding

 

透過ACF將TCP以高精度定位於LCD面板上,然後利用ACF的半硬化性,以低溫熱壓著進行預先接合之工程,假壓著製程導入有助於高解析度模組量產設計。
英:
By locating ACF and TCP on LCD with high accuracy, and with the half curing of ACF, to proceed the bonding process with low temperature press. Low temperature pressing is helpful for mass production of high resolution module design.

 

Pulse heat Pulse heat

 

電阻加熱方式的加熱治具。加入瞬間大電流,一口氣由常温上昇至作業温度的方式。治具的熱容量小,切斷電流即可快速使温度下降,故可維持運轉,直接在加壓狀態下回復至常温。温度的均一性比constant heat方式的治具差。
英:
Resistor heating type bonding equipment allows large amount of electric current flow and can instantly increase the heat from normal temperature to manufacturing temperature. The bonding equipment has small heat capacity and can lower its temperature by cutting off electric current. Hence can maintain its running, and recover to normal temperature under pressure status. The temperature uniformity of it is worse than the constant heat type of bonding equipment.

 

                              

Q

Resin BM Resin BM

 

以含有黑色著色劑的樹脂材料形成之BM。一般是採用遮光性能高的carbon black作為著色劑。感光性樹脂材料以acrylic系列為代表,非感光性樹脂材料以poly-imido系列為代表。通常用 photolithography法形成BM pattern。樹脂BM反射低且成本低,但遮光性能不及chrome。
英:
Resin BM is made of resin material with black artificial color, and the artificial color often uses carbon black color which has good quality at blocking light. Acrylic series products are the representative of phototonus resin material, and poly-imido is the representative of non phototonus resin material. The BM pattern is normally formed with photolithography method. Resin BM has low capital cost and low reflection, but the light blocking property is not as good as chrome.

 

Resolution Resolution
Resolution

 

畫像細緻度的指標。液晶顯示器的解析度取決於畫素的pixel。
英:
It is the index of the screen resolution fineness. The resolution of LCD is determined by the amount of pixels

 

Rubbing angle Rubbing angle

 

工作基板基準面與rubbing reel之間的角度。Rubbing的角度決定了視角的方向。
英:
It is the angle between the datum plane of the working substrate board and rubbing reel, and Rubbing angle determines the direction of the viewing angle.

 

Rubbing cloth Rubbing cloth

 

配向處理時使用的植毛布。將植毛布纏繞在rubbing reel上後使其旋轉,擦拭配向膜。
英:
It is the rubbing cloth used for orientation processing. Wind the rubbing cloth around the rubbing reel, and then make it whirl to rub the orientation film.

 

Scanning line Scanning line

 

TFT基板中傳達信號至gate電極上之橫方向的配線。又稱為gate線,具有選擇水平方向某畫素行的功能。連接到被選取的掃描線上之各畫素的TFT成導 通狀態,Data線的顯示信號得以寫入各畫素內。掃描線內的信號延遲會對畫質產生重大影響,因此必須是延遲少的低電阻掃描線。
英:
It is the horizontal wiring line, which transfers signal to the gate electrode in TFT board, it is also known as gate line. It also has the function to select horizontal pixels. When the pixels are selected by the scanning line, the TFT is in a conductivity status, and signals can be written into each pixel from Data line. The signal delay in the scanning line causes great impact to the quality of the screen image, and therefore, low resistor scanning line should be used.

 

Scratch Scratch

 

Color filter的外觀缺陷之一。指color filter表面上的細微傷痕,大多是基板處理時機械性接觸所造成的。
英:
It is one of the defects from the outside view of color filter. It means the tiny scar on the surface of color filter. Most of the time, it is caused by mechanical contact during circuit board treatment.

 

Seal width Seal width

 

將2片液晶面板的基板接合並固定之seal部的寬度。就械械性強度或信賴性而言,某種程度的寬度是必要的,但若要擴大顯示部的有效面積或確保安裝的區域,則寬度最好窄一點。
英:
It is the width of the seal, which used to connect two pieces of LC circuit. Regarded to the mechanical toughness and reliability, certain seal width is necessary. However, in order to enlarge the active screen display area or to secure the fitting area, the width should be narrower.

 

Separate film Separate film

 

挾在ACF tape層之間的薄膜。
英:
It is the film fitted in between the layers of ACF tape.

 

Slim TCP Slim TCP

 

輸入lead與輸出lead之間的間隔較窄之TCP。有助於面板邊框範圍之狹小化。
英:
It is a TCP with narrower gap between input lead and output lead, and this helps to narrow the size of frame area of the circuit board.

 

Spacer Spacer

 

為了使液晶面板(cell)中液晶層的厚度均一而放入上下基板間之均一直徑的物體。Spacer的材料有plastic beads或玻璃纖維。依Cell gap不同,使用的spacer直徑(2~6 m)種類甚多,Spacer有ball spacer與photo spacer之區別。
英:
It is a object with same diameter fitted in between top and bottom glass substrate, its purpose is to ensure the same thickness of LC layers in the cell of LC substrate. According to different Cell gap, the diameter of spacer varies from 2 to 6 um. There are various types of spacer, and it is differentiated into ball spacer and photo spacer.

 

Staggered structure TFT Staggered structure TFT

 

TFT的構造依電晶體構成要素的配置方法大致區分為stagger型與coplanar型。前者指的是在gate電極╱gate絕緣膜與 source╱drain電極之間配置半導體。後者指的是在gate電極╱gate絕緣膜與半導體之間配置source╱drain電極。另外還衍生出 gate電極是在TFT上部(top gate)或下部(bottom gate)的類型。順stagger構造是gate電極配置於上部之stagger構造,使用於部份的a-Si TFT LlCD上。
英:
TFT structure is divided into stagger type and coplanar type according to the ways the transistors are constructed. Stagger type means the semiconductor is fixed in between gate electrode / gate insulating film and source / drain electrode. Coplanar type means the source / drain electrode is fixed in between gate electrode / gate insulating film and transistor. There is also another TFT types which fits the gate electrode on either top gate or bottom gate of the TFT. When the gate electrode is fitted to the stagger on top gate, it is known as Staggered structure TFT, and it is applied partially to a-Si TFT LCD.

 

Step coverage Step coverage

 

薄膜形成時在薄膜表面的細微段差部上作成之膜的被着狀態。段差部上的被著狀態直接影響到配線的斷線不良等,成為製品良率、品質低下的主因。
英:
It means another film is formed on the micro gaps on the film surface, when the film is produced. Step coverage directly affects quality of wiring, and hence is the major cause of low quality and defect rate of finishing product.

 

STN Super Twisted Nematic

 

具有扭轉約180度~270度構造的nematic液晶或採用namatic液晶的顯示類型。以一定角度射入到液晶分子軸上的直線偏光由於雙折射性的緣故 而變調成橢圓偏光。利用電場的有無將液晶分子控制在STN構造與垂直配向之間,即可用雙折射性的變調加以驅動。黃色或藍色是較普遍的,採用特殊的位相膜或 補償液晶板作白色顯示,也可以應用於彩色顯示上。與TN相比其視角較廣,但缺點是應答速度慢。
英:
STN has nematic LC which can twist from 180 degrees to 270 degrees or uses namatic LC display type. With a fixed angle, the straight polarizer shoots on to the axis of the LC molecule and because of the birefringence property, the straight polarizer becomes ellipse polarizer. By utilizing the existence of electrical field to control the LC molecule to stay in between the STN structure and vertical orientation, STN can be drove from the property of birefringence. Generally, they are in either yellow or blue color, and it can display white color when special phase film or compensated LC board. This also applies to color display. Comparing with TN, it has a wider viewing angle, but the disadvantage is slow in response speed.

 

 

Stud bump Stud bump

 

進行ball bonding時切斷bonding wire所形成的bump。
英:
A bump formed by cutting the wire during wire bonding process. Stud bump is one of the bumping method for flip chip bonding process.

 

Super VGA Super VGA

 

顯示器之顯像解析度單位,其橫向掃描線數目為600條,縱向畫素為800 顆,因此畫面總畫素數目為480,000顆。
英:
Resolution unit on displays. There are 600 horizontal scan lines and 800 pixels vertically. Total pixels are 480,000.

 

SXGA SXGA

 

顯示器之顯像解析度單位,其橫向掃描線數目為800條,縱向畫素為1400 顆,因此畫面總畫素數目為1,120,000顆。
英:
Resolution unit on displays. There are 800 horizontal scan lines and 1400 pixels vertically. Total pixels are 1,120,000

 

SXGA+ SXGA+

 

顯示器之顯像解析度單位,其橫向掃描線數目為1020條,縱向畫素為1400 顆,因此畫面總畫素數目為1,428,000顆。
英:
Resolution unit on displays. There are 1020 horizontal scan lines and 1400 pixels vertically. Total pixels are 1,428,000

 

System on glass System on glass

 

指將整個系統架設於一個液晶面板上。有利用玻璃基板上的低温矽晶作成之整體化(monolithic)及利用COG裝設作成之混合(hybrid)化,統稱為system on glass。
英:
It refers to set the entire system on a LCD panel. It uses the low-temperature silicon which formed monolithic and COG formed hybrid, generally called system on glass

T

TCP Tape Carrier Package

 

液晶顯示器驅動IC之構裝方法之一,指驅動IC之bump與Poly-imide tape上之Cu lead以Eutectic Bonding方式接合,在以Epoxy封膠保護。
英:
This is one of the construction methods for LCD to drive IC. It means Cu lead on Poly-imide tape and bump on driving IC are bonded through Eutectic bonding and then sealed with a film for protection.

 

TEG Test Element Group

 

開始新製程或製程變更前,為了作廻路特性評價或製程特性評價而架設在chip上的測試元件群。
英:
This is a testing component group placed on chip for loop feature evaluation or production feature evaluation before a new production or production change.

 

TFT-LCD Thin Film Transistor-Liquid Crystal Display

 

指使用薄膜電晶體控製畫素開關動作之液晶顯示模組。因為是逐一直接驅動畫素,是為active matrix的方式。
英:
It refers to a crystal display module that uses membrane transistor to control pixel switch. This is a directly driven pixel, with an active matrix method.

 

Three layer ACF tape Three layer ACF tape

 

由ACF與2層的剝離紙構成之tape。
英:
A tape of made by ACF and 2 layers of separate film.

 

TN Twisted Nematic

 

指使液晶分子做90度扭轉。使用驅動電壓低而且contrast比在100以上、可呈現高畫質的TFT上(active方式)
英:
This refers 90 degree twist on pixels. It is used on high picture quality TFT through low-voltage drive and contrast ratio higher than 100 (actively)

 

Total pitch accuracy Total pitch accuracy

 

個別pitch的行或列方向之累計值的精度。
英:
Accumulated accuracy on individual pitch rolls or columns

 

Touch panel Touch panel

 

將menu顯示於CRT或LCD的顯示畫面上,只要碰觸畫面即可操作命令的面板。切換畫面即可翻頁,可作對話型操作。也利用於work data之輸入上。
英:
A board with menu showing on the CRT or LCD executable upon touching. The page can be flipped, or operated in dialog box. It is also used in work data input.

 

Transmittance Ratio Transmittance Ratio

 

透過型液晶panel上,panel的射入光量與射出光量之比例。
英:
The amount of light which passes through an object. Measured in percentages. This is the brightness measurement applied to LCD panels.

 

Two layer ACF tape Two layer ACF tape

 

由ACF及剝離紙構成之tape。
英:
A tape made of ACF and separate film.

U

UXGA UXGA

 

顯示器之顯像解析度單位,其橫向掃描線數目為1400條,縱向畫素為1600 顆,因此畫面總畫素數目為2,240,000顆。
英:
Monitor resolution unit, there are 1400 horizontal scan lines with vertical pixels being 1600. Thus total picture pixel number is 2,240,000

V

VGA VGA
Video Graphics Array
Video Graphics Array )

 

IBM個人電腦所採用的畫面顯示規格。
英:
Picture display standardization adopt by IBM PC’s

 

Viewing angle Viewing angle

 

視角,液晶顯示device左右上下contrast大於10的角度範圍。以TFT來說,上下約50度、左右約100度。
英:
An angle for contrast ratio larger than 10 on horizontal and vertical sides of an LCD display device. With a TFT, the vertical viewing angle should be 50 degrees, and 100 for horizontal.

 

Visual inspection Visual inspection

 

檢查光罩的pattern缺陷、pattern形狀、玻璃表面傷痕╱髒污╱斑點等之總稱。比較微小的東西係採用自動化檢查,檢查比較大的東西時則用slit lamp等作斜光照明,採目視檢查即可。
英:
A general name to refer inspection of pattern flaws, pattern shapes, and scratch/filth/marks on glass surface of photo-masks. Automatic inspections are used for minute items, and slit lamp is used for larger items for side lighting with naked eye inspection.

X

XGA XGA

 

顯示器之顯像解析度單位,其橫向掃描線數目為768條,縱向畫素為1024 顆,因此畫面總畫素數目為786432顆。
英:
Units for monitor resolutions. The number of horizontal scanning line is 768, and vertical pixel is 1024, therefore there is a total of 786,432 pixels on a screen

用户在购买液晶显示器时常会听商家说:“xx牌的好,用的是A屏,xx牌的不行,用的是B屏”。那A屏与B屏的区别到底在那呢?

  A级 屏比B级屏的档次要高,C级档次最低。除了这三级以外,现在还有一种称呼就是“超A级”或“AA级”,即比A级档次还要稍微高一些的产品。一般说来,B级 和C级都算是次品,与A级相比,B级和C级的坏点数多一些,亮度相对不均匀,外观也可能有损伤,并且与A级屏的价格差距可能高达近千元。

  对于三星、菲利浦、纯净界这些知名品牌来说,对于液晶屏的品质要求也相对高出许多,都会采用“A”级的屏,以保证质量。所以在采购过程中,价格并非完全按照一个单纯的品牌来定位的,而是严谨地遵循了一个成本制造的原则。

   坏点是液晶面板上不可修复的像素点,是在生产过程中产生的。在液晶像素后面有三个晶体管,对应着红、绿、蓝三个滤光片,其中任何一个晶体管出现问题都会使这个像素成为一个坏点。以15寸1024*768的屏来说,总共约需像素点1024*768*3=2359296个,而且在每个液晶像素背后还集成有一 个单独驱动管,在如此多的像素点和驱动管中难免会有个别会出现问题。产生坏点的多少直接与生产厂家的技术和工艺水平相关。就目前来看,每批生产出来的液晶板通常都有20%的产品有坏点。随着技术的不断完善,一些品牌的液晶板坏点率已经能够控制到10% 以内,不过0坏点率还尚属罕见。

  亮点是当设定屏幕显示的画面全黑时,屏幕上所显示的红、绿蓝光点。
  
  暗点是当设定屏幕显示的画面全白或为同一颜色时,屏幕上不显示颜色的点。

  实际上液晶面板的判别不仅在于坏点和亮点暗点的多少上,色纯度、可视角度的区别也是评定的主要依据,厂商要根据这些产品指标的综合评定,才能把液晶评分为A级、B级、C级,并会以此为依据对产品定价,其中A级屏和B级屏必须用专用的仪器去测试,肉眼很难判别。

  各地面板厂商对产品的分级各不相同:韩系厂商,3个以下为A级
日系厂商,5个以下为A级
台系厂商,8个以下为A级

  主流液晶显示器产品所标称的等级标准为:
AA
级:无任何坏点的LCD显示器为AA级。
A
级:3个坏点以下,其中亮点不超过一个,且亮点不在屏幕中央区内。
B
级:3个坏点以下,其中亮点不超过二个,且亮点不在屏幕中央区内。

  以上是液晶面板厂商与液晶显示器厂商的分级标准,供大家在挑选液晶时参考!

LCD     Liquid Crystal Display    液晶显示    
LCM     Liquid Crystal Module    
液晶模块    
TN      Twisted Nematic          
扭曲向列。液晶分子的扭曲取向偏转90°    
STN     Super Twisted Nematic    
超级扭曲向列。约180~270°扭曲向列    
FSTN    Formulated Super Twisted Nematic    
格式化超级扭曲向列。一层光程补偿片加于STN,用于单色显示    
TFT    Thin Film Transistor      
薄膜晶体管    
Backlight                
背光源  
Inverter                  
逆变器    
OSD     On Screen Display        
在屏上显示    
DVI     Digital Visual Interface
(VGA)数字接口    
TMDS    Transition Minimized Differential Signaling      
LVDS    Low Voltage Differential Signaling    
低压差分信号
Panelink    
IC     Integrate Circuit          
集成电路    
TCP    Tape Carrier Package      
柔性线路板    
COB    Chip On Board  
通过邦定将IC裸片固定于印刷线路板上    
COF    Chip On FPC  
将IC固定于柔性线路板上    
COG    Chip On Glass  
将芯片固定于玻璃上  
Duty     —    
占空比,高出点亮的阀值电压的部分在一个周期中所占的比率    
LED     Light Emitting Diode  
发光二极管    
EL     Electro Luminescence  
电致发光。EL层由高分子量薄片构成  
CCFL(CCFT)    Cold Cathode Fluorescent Light/Tube    
冷阴极荧光灯    
PDP  Plasma Display Panel    
等离子显示屏    
CRT    Cathode Radial Tube    
阴极射线管
VGA    Video Graphic Array    
视频图形阵列
PCB    Printed Circuit Board    
印刷电路板  
Composite video   —  
复合视频  
S-video   —  S
端子,与复合视频信号比,将对比和颜色分离传输
NTSC    National Television Systems Committee  NTSC
制式,全国电视系统委员会制式  
PAL     Phase Alternating Line  PAL
制式(逐行倒相制式)    
SECAM    SEquential Couleur Avec Memoire  SECAM
制式(顺序与存储彩色电视系统)    
VOD     Video On Demand
视频点播
DPI    Dot Per Inch    
点每英寸

ASIC: Application Specific Integrated Circuit(特殊应用积体电路)
ASC
(Auto-Sizing and Centering,自动调效屏幕尺寸和中心位置)
ASC
(Anti Static Coatings,防静电涂层)
AGAS
(Anti Glare Anti Static Coatings,防强光、防静电涂层)
BLA: Bearn Landing Area
(电子束落区)
BMC
(Black Matrix Screen,超黑矩阵屏幕)
CRC: Cyclical Redundancy Check
(循环冗余检查)
CRT
(Cathode Ray Tube,阴极射线管)
DDC
:Display Data Channel,显示数据通道
DEC
(Direct Etching Coatings,表面蚀刻涂层)
DFL
(Dynamic Focus Lens,动态聚焦)
DFS
(Digital Flex Scan,数字伸缩扫描)
DIC: Digital Image Control
(数字图像控制)
Digital Multiscan II
(数字式智能多频追踪)
DLP
(digital Light Processing,数字光处理)
DOSD: Digital On Screen Display
(同屏数字化显示)
DPMS
(Display Power Management Signalling,显示能源管理信号)
Dot Pitch
(点距)
DQL
(Dynamic Quadrapole Lens,动态四极镜)
DSP
(Digital Signal Processing,数字信号处理)
EFEAL
(Extended Field Elliptical Aperture Lens,可扩展扫描椭圆孔镜头)
FRC: Frame Rate Control
(帧比率控制)
HVD
(High Voltage Differential,高分差动)
LCD
(liquid crystal display,液晶显示屏)
LCOS: Liquid Crystal On Silicon
(硅上液晶)
LED
(light emitting diode,光学二级管)
L-SAGIC
(Low Power-Small Aperture G1 wiht Impregnated Cathode,低电压光圈阴极管)
LVD
(Low Voltage Differential,低分差动)
LVDS: Low Voltage Differential Signal
(低电压差动信号)
MALS
(Multi Astigmatism Lens System,多重散光聚焦系统)
MDA
(Monochrome Adapter,单色设备)
MS: Magnetic Sensors
(磁场感应器)
Porous Tungsten
(活性钨)
RSDS: Reduced Swing Differential Signal
(小幅度摆动差动信号)
SC
(Screen Coatings,屏幕涂层)
Single Ended
(单终结)
Shadow Mask
(阴罩式)
TDT
(Timeing Detection Table,数据测定表)
TICRG: Tungsten Impregnated Cathode Ray Gun
(钨传输阴级射线枪)
TFT
(thin film transistor,薄膜晶体管)
UCC
(Ultra Clear Coatings,超清晰涂层)
VAGP: Variable Aperature Grille Pitch
(可变间距光栅)

VBI: Vertical Blanking Interval
(垂直空白间隙)
VDT
(Video Display Terminals,视频显示终端)
VRR: Vertical Refresh Rate
(垂直扫描频率)

以上文字均摘自中山LCD液晶屏专家http://www.zs-jinrun.com,转载请注明出处

 

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