偏光片学习报告

TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMARD/OD：邹艳2013.05.14偏光片学习报告偏光片学习报告偏光片学习报告偏光片学习报告TIANMATIANMATIANMATIANMATianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA主要内容主要内容主要内容主要内容�偏振光的产生方式�偏光片的基本原理、分类、光学特性�偏光片的基本结构�偏光片的制作流程�偏光片表面处理�偏光片在TFT-LCD中的应用�DBEF增亮膜�偏光片的贴附�偏光片信赖性问题�天马常用偏光片TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA（（（（1111）反射）反射）反射）反射（（（（2222）折射）折射）折射）折射（（（（3333）吸收（二向色性））吸收（二向色性））吸收（二向色性））吸收（二向色性）非偏振光偏光片偏振光（（（（4444）散射）散射）散射）散射偏振光的产生方式偏振光的产生方式偏振光的产生方式偏振光的产生方式TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA偏振光：偏振光：偏振光：偏振光：光的矢量方向和大小有规则变化的光偏光片：偏光片：偏光片：偏光片：将自然光变为偏振光的器件偏光原理图2偏光原理图3偏光原理图1偏光片的基本原理偏光片的基本原理偏光片的基本原理偏光片的基本原理TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA按材料分按材料分按材料分按材料分碘系列：具有高透过性、高对比、有较广域波长的偏向特性，价格经济，市场占有率高达90%，一般用的LCD也采用碘系偏光膜。缺点：适用温度范围窄，怕水汽，耐久性差。染料系列：温度范围宽，耐久性好，适用高可靠性产品。缺点：难于获得高偏振度、高透过率的偏光特性。灰色偏光片：最常用紫色偏光片：用颜色补偿，制作灰模STN红色偏光片绿色偏光片颜色显示蓝色偏光片按颜色分按颜色分按颜色分按颜色分按功能分按功能分按功能分按功能分透射型反射型半透半反型补偿型重反射型重透过型高精细型按使用温度范围分按使用温度范围分按使用温度范围分按使用温度范围分普通型：F系列、LN系列、LL系列中等型：G、SK宽温：Q、THC（SHC）、H偏光片的分类偏光片的分类偏光片的分类偏光片的分类TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA1111、透过率透过率透过率透过率2222、偏光度偏光度偏光度偏光度ACDADTp=C/A(%)Tc=D/A(%)Transmittance:50%(IdealValue)PolarizingEfficiency:100%=*100(%)Tp-TcTp+TcPolarizingEfficiency(PE)Tp:ParallelTransmittanceTc:CrossedTransmittanceOpticalProperties3333、色相、色相、色相、色相偏光片的光学特性偏光片的光学特性偏光片的光学特性偏光片的光学特性TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA补偿型补偿型补偿型补偿型反射反射反射反射////半透型半透型半透型半透型透射型透射型透射型透射型偏光子构造偏光子构造偏光子构造偏光子构造IodinemoleculesFilmdrawingdirectionPVAmolecularchain偏光片的基本结构偏光片的基本结构偏光片的基本结构偏光片的基本结构TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA功能层别组成材料特性需求偏光膜的保护表面保护膜PE,PET偏光膜的支撑保护保护膜TAC偏光机制偏光膜PVA单轴延伸方向性、偏光特性偏光膜的支撑保护保护膜TAC高透光率、机械及耐候性LCD基板的粘贴粘着剂EVA系等高透光率、耐候性、重工性黏着剂的保护离型膜PET高平滑性、透明性、洁净度偏光片的基本结构偏光片的基本结构偏光片的基本结构偏光片的基本结构�各层组成材料及功能各层组成材料及功能各层组成材料及功能各层组成材料及功能TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA由于OLED的阴极为Al，其表面可反射光线，此结构有助于增加亮度，但周围变亮时，对比就降低。所以周围的光很亮时，就需使用圆偏极偏光片；如下所示，外部光线在经过偏光片及1/4λ位相差板的组合后，眼睛将无法看到金属表面所产生的反射光，藉此来提高对比。CircularPolarizerCircularPolarizerCircularPolarizerCircularPolarizer偏光片的基本结构偏光片的基本结构偏光片的基本结构偏光片的基本结构————————OLEDOLEDOLEDOLED用偏光片用偏光片用偏光片用偏光片TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA偏光片的制作流程偏光片的制作流程偏光片的制作流程偏光片的制作流程TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMAPVAPVAPVAPVA膜的延伸工艺：膜的延伸工艺：膜的延伸工艺：膜的延伸工艺：偏光片的制作流程偏光片的制作流程偏光片的制作流程偏光片的制作流程TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA�抗眩处理（抗眩处理（抗眩处理（抗眩处理（AGAGAGAG））））功能：1、降低光反射效应2、影像更清晰�抗反射抗反射抗反射抗反射////低反射处理低反射处理低反射处理低反射处理（（（（ARARARAR/LR/LR/LR/LR））））功能：1、减少外界反射以增加元件的光穿透率2、提高影像明晰度，增加对比、色彩饱和度偏光片表面处理偏光片表面处理偏光片表面处理偏光片表面处理TianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsTianmaMicro-ElectronicsProprietary&Proprietary&Proprietary&Proprietary&ConfidentialConfidentialConfidentialConfidentialTIANMATIANMATIANMATIANMA�硬度处理（硬度处理（硬度处理（硬度处理（HCHCHCHC））））功能：1、增加表面强度2、增强防刮能力�防污染处理（防污染处理（防污染处理（防污染处理（Anti-SmudgeAnti-SmudgeAnti-SmudgeAnti-Smudge））））功能：1、减少污渍的附着能力2、提高污渍的擦拭力�防静电处理（防静电处理（防静电处理（防静电处理（Anti-StaticAnti-StaticAnti-StaticAnti-Static））））偏光片表面处理偏光片表面处理偏光片表面处理偏光片表面处理TianmaMicro-ElectronicsTianm