1、LED行业术语及解释说明英语学习版 LED行业英文解释说明等学习资料Backlight:背光。 CCFL(CCFT) (Cold Cathode Fluorescent Light/Tube):冷阴极荧光灯。 Anode(阳极)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 In
2、ch):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(
3、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)AL制式(
4、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 Transisto
5、r):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。有效显示区域( Active Area) LCD Panel 的有效显示区域,即可显示文字图形的总面积,参考下图,白色区域即此片Panel 的有效显示区域。 开口率(Aperture Ratio) 开口率即是每
6、个画素可透光的有效区域除以画素的总面积,开口率越高,整体画面越亮。 画面比率(Aspect Ratio) Aspect Ratio为画面宽与高之比率。计算机画面及一般影像画面比率为 4:3 HDTV则可提供16:9的宽平面屏幕画面。 B/M (Black Matrix) : 于 Color Filter 上,用来遮住R、G、B 各Pixel 间之空隙,可大幅减少LCD光点间彼此干扰所产生的光害,呈现更稳定且清晰的影像品质,提升了阅读上的舒适度,同时也减轻了长期使用所造成的眼部压力及疲累感。 CCFL(冷阴极射线管) Cold Cathode Fluorescent Lamp 将高压施加于灯管之
7、两电极, 电子即由电极端射出, 电子因受高电压加速而与管内之水银原子撞击, 水银原子在被撞击后由不稳定状态急速返回稳定状态时, 会将过剩能量以紫外线 (253.7 nm) 释放出来, 此释放出来之紫外线由萤光粉吸收转换成可视光. C/F(彩色滤光片)(Color Filter) : 彩色滤光片上有排列整齐之 RGB(三原色)画素,射入的光可经由滤光片转变混合成各种颜色。 LTPS 低温多晶硅 LTPS (Low Temperature Poly Silicon)低温多晶硅,就是在摄氏600oC或更低的温度下经过雷射回火 (Laser anneal)的制程步骤所生产的多晶硅,具有高开口率、可内建
8、驱动IC等外围电路于玻璃基板上、 TFT 反应速度更快且面积缩小、接点数及零件数减少、系统设计简单化,面板可*度提升,以及降低材料成本等优点。 Luminance明亮度 明亮度指一对象之可见亮度。其取决于可反射光之多寡并由一平方公尺(cd/m2)内之多少烛光来衡量其亮度。因表面物之反射属性之多样化,类似的照明度因对象表面反射属性之不同而造成不同的明视度。例如,同样的光源照射于一黑一白的房间,黑色房间之明视度相较于白色房间的明视度是非常低而且昏暗。 Moire一种因LCD面板与背光模块刻痕方向不能匹配所造成的光干涉现象。 Mura 水波纹:指在显示影像时,所产生的画面局部或全面的不均匀现象。 R
9、esponse Time反应时间 的是屏幕画素接收到信号后,由白转黑(Tr)及由黑转白(Tf)所需转变时间。所需转变时间是越短越好。较短的反应时间使画面转换更为顺畅。一般而言,其都低于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 Extend
10、ed Graphics Array 1,280xRGBx1,024 Dot SXGA+ = Super Extended Graphics Array + 1,400xRGBx1,050 Dot UXGA = Ultra Extended Graphics Array 1,600xRGBx1,200Dot Spacer间隔粒子于两片玻璃基板间, 所均匀洒上的球形树脂粒子, 用来撑出一个间隙, 以灌入液晶, 其作用类似我们盖房子时的柱子。 Uniformity均匀度 画面的均匀度;将一Panel分为数等份,分别测量其中心点的亮度,所测得的最小值除以最大值即是此Panel均匀度,均匀度越高表示Pa
11、nel画面越稳定。 View Angle视角 面对屏幕,往其上、下、左、右四方观测,调整此屏幕直到其无法由此四方看到屏幕画面之角度。以监看者之视觉舒适,可调整视角之广狭。 Back light背光源 液晶Panel的背面所设置光源。萤光灯管(热阴极管或冷阴极管)、导光板、扩散板所构成。 Contrast Ratio对比度 此为黑色与白色之间的对比。比值越高,色彩越鲜明。 FPC Flexible Printed Circuit;可弯曲印刷电路。 Inverter 换流器 DC/AC换流器主要应用于TFT 面板背光源之power supply。它使用高电压来驱动冷阴极射线管。此独特的电力仪器具有
12、高瓦特数、高效能及坚实小巧的设计。 LVDS Low Voltage Differential Signaling;数字显示接口,具有高效能、高速与低功率消耗等特色。 Laser Anneal雷射回火 低温多晶硅与非晶硅最大差异在于,LTPS 的薄膜晶体管TFT,经过雷射回火 (Laser anneal)的制程步骤;利用雷射作为热源,雷射光经过投射系统后,会产生能量均匀分布的光束,投射于非晶硅结构的玻璃基板上,当非晶硅结构玻璃基板吸收雷射的能量后,会转变成为多晶硅结构 QCIF (Quarter Common Intermediate Format): QCIF 为视讯会议格式,其每秒可传输3
13、0页的资料,每一页有144行、每一行有 176画素(pixel)。 其分辨率为CIF之1/4。QCIF为 ITU H.261 视讯会议之标准。CIF 及QCIF互为兼容并适用于NTSC, PAL 及SECAM三种TV标准。 White Chromaticity 为衡量RGB三原色的均衡值的测量方法。较高之色温产生偏蓝的白色; 较低的色温产生偏红的白色。 A a-Si amorphous silicon 以材料结构而言,amorphous的意思是指未结晶的状态。Amorphous silicon膜具有作为半导体材料之特性,可用plasma CVD装置在400以下的温度下形成。因此成为使用玻璃基板
14、之主动矩阵(active matrix)方式液晶面板的TFT主力组件材料。 英: Amorphous means lacking distinct crystalline in material structures 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
15、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为构成材料之电场效果型的薄膜晶体管。带有source、drain、gate三种电极之3端子组件。最常使用为主动矩阵(active matrix)液晶显示器的开关。 英: The Field Effect type TFT with amorphous silico
16、n 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 英: 异方性导电膜,指含有导电性粒子之热硬化或热可塑性的树脂薄膜。主要用于液晶显示面板与驱动IC之讯号传输连结,需针对不同之接合接口选择适合导电粒子及密度,一般而言用于fine pitch之导电粒子其直径约为35
17、 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 acco
18、rdingly. Generally speaking, the diameter of conductivity particles, which used for fine pitch, should be three to five um. Active area 在液晶显示面板中具有显示功能之画素总面积。 英: In LCD screen, it serves the purpose of showing the total surface area of functional pixels. Active matrix 在画素或dot上设置主动组件,于写入期间激活主动组件而写入dat
19、a电压、其它期间则关闭主动组件以维持电压之矩阵驱动方式。依据主动组件的种类区分为3端子型的TFT方式与2端子型的TFD(MIM)方式。2端子型的制造工程可简化。 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
20、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 在液晶面板表面设置凹凸,以降低镜面反射之处理。Anti-glare处理的程度是利用积分球式光线透过率量测方式,以全光线透过率与散乱光透过率的
21、比定义的。 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
22、 scatter light Anti-reflection 在表面上包覆多层折射率不同的膜,用来消除界面的反射光之处理。 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 单一画素中可透光面积与画素总面积之比值。开口率之大小与TFT所使用之金属导线特性及Cell制程能力有关。 英: It is the rati
23、o 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 液状紫外线硬化型树脂凸版。厚度从1.03.0都有,种类甚多,为了提供液体的转写效率,在画面部分的表面增加一层网状物。制版时,版系根据版体的直径,事先将画像缩小后制成。
24、因为版即使在萤光灯下也会加促硬化,故保管上必须非常注意。(旭化成工业(株)的登记商标) 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 b
25、een 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
26、Asahi Chemical Industrial Co., Ltd ). Array 指玻璃基板上已配置TFT等switching组件,但未成为Cell前的状态。 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 显像后的resist膜,或用蚀刻形成于基板上的pattern之深度与宽度的比。Aspect比 b/a(a:蚀刻的宽度,b:蚀刻的深度) 英: It is the ratio b
27、etween 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 depthCOG Chip On Glass 直接将驱动IC之I/O与显示玻璃基板的电极端子面对面接合之方式,COG模块构装所使用之驱动IC必须先长凸块(bumping),液晶面板模块构装之凸块材质为Au,目前以ACF为接合材料之制程较成熟。 英: It is a pro
28、cess 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. CO
29、P Chip On Plastic 直接将IC chip接续在塑料基板的电极端子上之方式,为Chip On Plastic之简称。装设塑料基板液晶面板之driver IC时所使用的。 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 pla
30、stic substrate. Cold cathode fluorescent tube 为Back light其中一种光源,采用金属阴极之萤光灯管。利用高电场引起发光放电,然后用此放电所产生的紫外线激发萤光体而发光之放电灯管。基于发热、寿命之考量,大多采用冷阴极管。 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
31、 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 液晶On?uOff时最大辉度与最小辉度之比。液晶依画面视角的不同,其contrast也会跟着改变,因此以最大的对比来表示。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 cont
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