一、光学膜介绍1.扩散片2.棱镜片3.反射片二、光学膜材冲材用模具介绍1.简易模2.量产模三、光学膜材冲材用网板介绍四、光学膜材公差重点简述1.刀模裁切公差2.钢模裁切公差3.印刷公差五、光学膜材样品注意重点一﹑光学膜材功能&材料介绍1.扩散片(DIFFUSERSHEET)功能导光板内发出的光只有少数是正面方向的光,大部分是相对于法线方向光具有某种角度的光,扩散板之作用即为将此法线方向的光藉由折射效果转为正面方向,可提高正面亮度,另一作用为将藉由导光板pattern所发散出之光线均匀化,并遮掩导光板上之pattern。扩散板之基本原理为在基材表面进行微小珠粒(beads)涂附,或在基材表面上进行滚花等处理,使基材表面具有如毛玻璃状之雾面,已达到将光扩散之效果。1.1扩散片之构造1.1.1涂布Beads型1.1.2压延Pattern型1.2扩散片之性能扩散片之性能常以全光线透过率〔%〕、雾度HAZE〔%〕表示,扩散片之性能主要决定于以下因素1.2.1配方液中之扩散粒子&树脂之比例1.2.2coating涂布量(dry,g/m2)及与扩散粒径所行成之扩散面形状的变化1.2.3使用基材之光学物性(透过率&曲折率…..等)树脂LightoutLightinDiffusingLayerSubstrate:PETAnti-blockingLayerBeadsPCBase扩散面1.3扩散片之种类1.3.1集光形:可使由导光板射出的光源由正面方向集中,适用于monitor&TV,使用方式为扩散片堆栈使用或与棱镜片搭配使用1.3.2扩散形:用于轻薄型导光板时易见到pattern,或是monitor需要广视角时因设计空间之关系,须与棱镜片搭配使用1.4扩散片选择要点扩散片之作用为增加正面亮度及将导光板发出之光均匀化,故扩散板之雾度(Haze)及穿透率需做适当之搭配,亦须注意导光板之材质选择适合之扩散片,因此在选择扩散片时有下列几点需注意:1.1.1因导光板之pattern设计,及模块辉度、色度要求之要求不同选用适合之扩散片,当Haze值愈高时,对光之均匀化及导光板缺陷之遮蔽效益越大,当穿透率越高时,对辉度之提升越有益。1.1.2下扩散片beads或滚花方式对导光板及BEF刮伤之影响:若扩散片之表面处理方式不良,易造成导光板或BEF之刮伤,降低生产之良率,另外一导光材料ZEONOR,其硬度较低,亦应慎选适合之下扩散板材料。1.1.3上扩散板耐刮伤程度:因上扩散板通常位于模块最上一层,易接触外力(如组装、运送时等),若耐刮伤能力不佳时,容易造成良率下降。目前抗刮能立最佳之材料为TUSJIDEN之D117VGY因于表面有做hotcoating之处理,故较不易刮伤。1.1.4上扩散板对灯管发热之抗热性:若上扩散板抗热性较差,易因接近灯管侧灯管发热,造成上扩散板产生waving现象,在背光模块中为一重大缺点,解决方法为选用抗热性较佳扩散板,如增加厚度,或改用PC材质扩散板,另外上扩散板与灯管侧间距之设计,亦是影响上扩板waving现象之一大要因。1.5扩散片制作过程原材料原材料原材料薄膜成型薄膜成型薄膜成型塗佈製程塗佈製程塗佈製程分條分卷切片分條分卷分條分條分卷分卷切片印 刷印 刷印 刷出货出货包裝包裝包裝檢查檢查檢查檢查檢查成型連續式印刷切型成型成型連續式印刷切型連續式印刷切型打孔贴膠打孔贴膠打孔贴膠○製造流程1.6扩散片涂布方式1.7HAZE&全光线透过率计算方式1.8扩散片材料(因此系列之材料随时有新增之可能,最新之资料请参照Diffuser_Data.xls)1.8.1日系材料1.8.1.1KEIWA材料名用途HAZE(%)穿透率(%)厚度(μm)材质构造(发光面)构造(导光板面)辉度提升率(%)备注100-KBS2扩散片1张时扩散片2张时扩散片3张时棱镜片1张下层用89.383.3130PET扩散珠粒防吸着护套-1.03125-KBS2189.583.7155PET扩散珠粒防吸着护套-2.91BS-0489.580.2140PET扩散珠粒防吸着护套-1.9BS-04289.782.2220PET扩散珠粒防吸着护套-3.28BS-10089.378.5140PET扩散珠粒防吸着护套BS-30088.5140PET扩散珠粒防吸着护套-6.82PC-YBS88.583.2140PET扩散珠粒防吸着护套-0.24PC-1508361.9150PC扩散珠粒防吸着护套-9.18BS-039棱镜片2张下层用89.281.8115PET扩散珠粒防吸着护套-4.1BS-0388.885.7140PET扩散珠粒防吸着护套-1.07BS-03188.688.6165PET扩散珠粒防吸着护套-4.94有機溶剤树脂固形分子透明有机粒子基材基材乾燥配合塗液wet状態BS-01(75)87.998.2100PET扩散珠粒防吸着护套1.67BS-018799.1125PET扩散珠粒防吸着护套-0.24BS-01188.993.2145PET扩散珠粒防吸着护套-3.16BS-01(188)88.590.5210PET扩散珠粒防吸着护套-1.69BS-08085.5125PET扩散珠粒防吸着护套0BS-08185.5125PET扩散珠粒防吸着护套-0.23BS-08285.5215PET扩散珠粒防吸着护套-1.5BS-01788.365PET扩散珠粒防吸着护套0BS-01888.175PET扩散珠粒防吸着护套0.004BS-03789.480PET扩散珠粒防吸着护套1.76BS-70289215PET扩散珠粒防吸着护套-5.11PC-ES1308798.1140PC扩散珠粒防吸着护套2.64KPC-ES89.698.1140PC扩散珠粒防吸着护套0.14KPC-EXS90.697.9140PC扩散珠粒防吸着护套0.22ZD-01988.2100PC扩散珠粒防吸着护套0.16ZD-01087125PC扩散珠粒防吸着护套PBS-401棱镜片上层用32.3145PET扩散珠粒防吸着护套0.6PBS-05072.997.2120PET扩散珠粒防吸着护套0.82100-BMU1S73.896.5120PET扩散珠粒防吸着护套0.04100-BMU3S5191.4120PET扩散珠粒防吸着护套23.32100-BMU4S35.590120PET扩散珠粒防吸着护套2.5PBS-0234.489.8115PET扩散珠粒防吸着护套-4.57PBS-05170.695.7145PET扩散珠粒防吸着护套-1.27PBS-0527395.3210PET扩散珠粒防吸着护套-1.29PBS-06031.789.5120PET扩散珠粒防吸着护套2.8PBS-0673557PET扩散珠粒防吸着护套1.74PBS-07048.791.7120PET扩散珠粒防吸着护套0(BASE)PBS-07148.9145PET扩散珠粒防吸着护套0.48PBS-07247.990210PET扩散珠粒防吸着护套0.73PC-02W40.490.2115PC扩散珠粒防吸着护套0.12PC-03W43.490165PC扩散珠粒防吸着护套0.21PSS-01010.3115PET扩散珠粒防吸着护套1.661.8.1.2TUSJIDEN材料名用途HAZE(%)穿透率(%)厚度(μm)材质构造(发光面)构造(导光板面)辉度提升率(%)备注D114棱镜片2张下层用81.464.5113PET扩散珠粒防吸着护套-4.14D114SIII81.464.551PET扩散珠粒防吸着护套-1.53D1207682.5120PET扩散珠粒防吸着护套1.41D120Y7682.5145PET扩散珠粒防吸着护套1.82D120S7682.595PET扩散珠粒防吸着护套2.02D120J7682.5120PET扩散珠粒防吸着护套0D120JS7682.595PET扩散珠粒防吸着护套1.25D12274.585.5120PET扩散珠粒防吸着护套2.42D122SIII74.588.558PET扩散珠粒防吸着护套1.18D1257575130PET扩散珠粒防吸着护套-1D121扩散片1张时扩散片2张时扩散片3张时棱镜片1张下层用78.564.8130PET扩散珠粒防吸着护套-2.58D121SIII78.564.868PET扩散珠粒防吸着护套-1.42D120Y78.564.8155PET扩散珠粒防吸着护套-3.77D121Z78.564.8218PET扩散珠粒防吸着护套-4.6D121S78.564.8105PET扩散珠粒防吸着护套-3.4D121U7962.5130PET扩散珠粒防吸着护套-4.55D121UY7962.5155PET扩散珠粒防吸着护套-3.96D121UZ7962218PET扩散珠粒防吸着护套-5.6D12382.455125PET扩散珠粒防吸着护套-11.91D12477.969.4130PET扩散珠粒防吸着护套-1.52D124J77.969.4130PET扩散珠粒防吸着护套-1.65D1296487120PET扩散珠粒防吸着护套1.97V-CUT用D129X6587120PET扩散珠粒防吸着护套0.75D13252.188.21115PET扩散珠粒防吸着护套-0.31D127X7861145PET扩散珠粒防吸着护套PCM17978130PC扩散珠粒防吸着护套1.41PCM280.773180PC扩散珠粒防吸着护套0.2PCM38270235PC扩散珠粒防吸着护套-0.56PCMSA74.380.5130PC扩散珠粒防吸着护套0.6D117T棱镜片上层用73.285.5120PET扩散珠粒防吸着护套-5.46D117TY73.285.5140PET扩散珠粒防吸着护套-5.05D117TS73.285.595PET扩散珠粒防吸着护套-2.22D117TF6487120PET扩散珠粒防吸着护套-2.63D117UE32.589115PET扩散珠粒防吸着护套3.86D117UEY32.589140PET扩散珠粒防吸着护套3.45D117UEZ34.989203PET扩散珠粒防吸着护套D117UHY32.589145PET扩散珠粒防吸着护套1.34D117UHZ32.589200PET扩散珠粒防吸着护套D117VG3588.5125PET扩散珠粒防吸着护套0.68D117VGY3588.5155PET扩散珠粒防吸着护套1.75D117VGZ3588215PET扩散珠粒防吸着护套0.52D117LWY3488.5145PET扩散珠粒防吸着护套1.76D117KD25.589.5120PET扩散珠粒防吸着护套0.6D117KDY26.589.5145PET扩散珠粒防吸着护套1.35D117KDZ26.589.5208PET扩散珠粒防吸着护套0.54D117KDZX26.589.5208PET扩散珠粒防吸着护套D1305089115PET扩散珠粒防吸着护套1.8.1.3KIMOTO材料名用途HAZE(%)穿透率(%)厚度(μm)材质构造(发光面)构造(导光板面)辉度提升率(%)备注75PBA扩散片1张时扩散片2张时扩散片3张时棱镜片1张下层用89.587100PET扩散珠粒防吸着护套-6.49100PBU89.566125PET扩散珠粒防吸着护套-6.11100S86.599110PET扩散珠粒防吸着护套-1.57100SXE89.599115PET扩散珠粒防吸着护套-2.18100MXE8899115PET扩散珠粒防吸着护套-1.16100GM28999133PET扩散珠粒防吸着护套-2.78100GM391.599139PET扩散珠粒防吸着护套-3.06188GM28998.5221PET扩散珠粒防吸着护套-4.54188GM3PET扩散珠粒防吸着护套-5.5750TL2棱镜片上层用299058PET扩散珠粒防吸着护套2.0350TL44690.656PET扩散珠粒防吸着护套2.52100TL20.590.5108PET扩散珠粒防吸