1、1CHIMEI VISUAL TECHNOLOGY CORP.Confidential 新型全視角光學膜在不同顯示器的應用New optical films for improving viewing angle performance of displaysChi Mei Visual Technology/奇美視像科技奇美材料科技/崑山之奇美材料科技李汪洋/Walter Li 2014/10/152CHIMEI VISUAL TECHNOLOGY CORP.Confidential 全视角光学薄膜的概念与原理 The concept of the Omniwide film全视角光学薄膜的
2、应用实例 The applications of the Omniwide films全视角光学薄膜的推广与展望 The prospects of the Omniwide films小结/Summary大纲3CHIMEI VISUAL TECHNOLOGY CORP.Confidential Current LCD Characteristics典型LCD視角特性Gray level inversion灰阶反转-失真影像Wash-out image泛白影像LC cell液晶盒Conventional BLU普通背光模组Gray levels properly displayed正确的灰阶影像
3、4CHIMEI VISUAL TECHNOLOGY CORP.Confidential Collimated BLU准直背光LC cell全视角光学馍片OmniwideFilmClose direct view同正视影像Direct view正视影像Close to direct view同正视影像Ideal wide-view Mode理想的广视角模式5CHIMEI VISUAL TECHNOLOGY CORP.Confidential LC cellcurrent LCD with Omniwide film目前实用全视角LCDConventional BLU普通背光模组全视角光学馍片Om
4、niwideFilmGray level inversion无灰阶反转-修正的影像Wash-out image修正的泛白影像Gray levels properly displayed正确的灰阶影像6CHIMEI VISUAL TECHNOLOGY CORP.Confidential Compensation Concept全视角膜补偿概念LCD moduleLCD moduleOmniwide film全视角补偿膜Compensated Signal补偿影像光Good!Lower View下视角GSI Signal灰阶反转信息GSI:Gray Scale Inversion,灰阶反转Lowe
5、r view下视角Normal ViewNormal View-10 to-15%Lower View下视角GSI Signal灰阶反转信息Lower view下视角7CHIMEI VISUAL TECHNOLOGY CORP.Confidential 由VA到MVA LCDSingle domain VA mode单畴垂直配向LC模态Multi-domain VA mode多畴垂直配向LC模态8CHIMEI VISUAL TECHNOLOGY CORP.Confidential Distinctive Approach for Widen view-angle 扩增视角做法的差异Omniwi
6、de Film全视角补偿膜Conventional compensation film 传统相位补偿膜LC Cell/液晶盒Comp.Film/相位差膜Comp.Film/相位差膜Top Pol./偏光板Bottom Pol./偏光板Bottom Pol./偏光板Top Pol./偏光板Omniwide-FilmBLULC Cell/液晶盒BLU9CHIMEI VISUAL TECHNOLOGY CORP.Confidential 全视角光学薄膜的概念与原理 The concept of the Omniwide film全视角光学薄膜的应用实例 The applications of the
7、 Omniwide films全视角光学薄膜的推广与展望 The prospects of the Omniwide films小结 Summary大纲10CHIMEI VISUAL TECHNOLOGY CORP.Confidential W/O Omniwide FilmW/Omniwide FilmGamma CurveImprovement of an EWV-TN LCDAsymmetric Omniwide Film(,)=(45,90)(,)=(45,270)(,)=(0,0)11CHIMEI VISUAL TECHNOLOGY CORP.Confidential(,)=(45,
8、135)Performance of EWV-TN(,)=(45,90)(,)=(45,45)(,)=(45,180)(,)=(45,225)(,)=(45,270)(,)=(45,315)(,)=(45,0)(,)=(0,0)12CHIMEI VISUAL TECHNOLOGY CORP.Confidential Performance of TN(with Multi-Direction Omniwide Film)Multi-direction Omniwide Film(,)=(45,135)(,)=(45,90)(,)=(45,45)(,)=(45,180)(,)=(45,225)(
9、,)=(45,270)(,)=(45,315)(,)=(45,0)(,)=(0,0)13CHIMEI VISUAL TECHNOLOGY CORP.Confidential Gamma Curve Improvement VAVA LCD gamma曲线的改善 W/O Omniwide Film(60,0)W/Omniwide Film(60,0)W/O Omniwide Film(0,0)Symmetric 4-Domain VA14CHIMEI VISUAL TECHNOLOGY CORP.Confidential Color shift of VA(no LCS)15CHIMEI VIS
10、UAL TECHNOLOGY CORP.Confidential Reduced color shift of VA(no LCS)+Omniwide FilmMulti-direction Omniwide Film16CHIMEI VISUAL TECHNOLOGY CORP.Confidential VA(No LCS)With Omniwide Film Color Shift Improvement VA View Angle 全视角膜对VA视角色差改善38%50%Improvement17CHIMEI VISUAL TECHNOLOGY CORP.Confidential 全视角光
11、学薄膜的概念与原理 The concept of the Omniwide film全视角光学薄膜的应用实例 The applications of the Omniwide films全视角光学薄膜的推广与展望 The prospects of the Omniwide films小结/Summary大纲18CHIMEI VISUAL TECHNOLOGY CORP.Confidential 全视角光学薄膜的推广与展望.视角特性不佳液晶模态使用的可能提升液晶光转换效率的可能整合背光光型设计以提升整体效率的可能非液晶显示器视角色差改善的可能1819CHIMEI VISUAL TECHNOLOG
12、Y CORP.Confidential 全视角光学薄膜的概念与原理 The concept of the Omniwide film全视角光学薄膜的应用实例 The applications of the Omniwide films全视角光学薄膜的推广与展望 The prospects of the Omniwide films小结/Summary大纲20CHIMEI VISUAL TECHNOLOGY CORP.Confidential 全视角光学膜可以有效改善LCD视角色差现象.有别于传统相位补偿技术,全视角光学薄膜可外贴于LCD改善视角特性.全视角光学膜的补偿原理具有广泛适用性,使其亦可用于非LCD,例如OLED,视角色差改善.整合全视角光学膜光学补偿特性与 LCD整体设计,有提升整体效能,品质与成本竞争力的潜力.小结21CHIMEI VISUAL TECHNOLOGY CORP.Confidential Thank you for your attention!感谢聆听指教!
