公开(公告)号：US20130162931A1

公开(公告)日：2013-06-27

申请号：US13712911

申请日：2012-12-12

Applicant: Industrial Technology Research Institute

Inventor： Yi-Ping Hsieh ,  Hui-Lung Kuo ,  Jui-Fa Chang ,  Mei-Chih Peng ,  Yi-Chang Du

IPC: G02F1/1335 ,  G02B5/30

CPC classification number: G02F1/133606 ,  G02B5/3016 ,  G02F1/133636

Abstract: A light efficiency enhancing optical device is disclosed, including a cholesteric liquid crystal film, a quarter wave plate disposed on a light out-going surface of the cholesteric liquid crystal film and an optical compensating film disposed on a light out-going surface of the quarter wave plate, wherein the optical compensating film includes a positive birefringence C-plate, and a composite optical compensating film with combination of the optical compensating film and the quarter wave plate has in-plane phase retardation R0 of 100 nm˜170 nm and out-of-plane phase retardation Rth of 0 nm˜400 nm.

Abstract translation: 公开了一种光效率增强型光学元件，包括胆甾醇型液晶膜，配置在胆甾醇型液晶膜的光出射面上的四分之一波片，以及配置在该四分之一波长的光的向外表面上的光学补偿膜 波片，其中光学补偿膜包括正双折射C板，并且具有光学补偿膜和四分之一波片的组合的复合光学补偿膜具有100nm〜170nm的面内相位延迟R0， 0nm〜400nm的面内相位延迟Rth。

公开(公告)号：US08922740B2

公开(公告)日：2014-12-30

申请号：US13712911

申请日：2012-12-12

Applicant: Industrial Technology Research Institute

Inventor： Yi-Ping Hsieh ,  Hui-Lung Kuo ,  Jui-Fa Chang ,  Mei-Chih Peng ,  Yi-Chang Du

IPC: G02F1/1335 ,  G02B5/30 ,  G02F1/13363

CPC classification number: G02F1/133606 ,  G02B5/3016 ,  G02F1/133636

Abstract: A light efficiency enhancing optical device is disclosed, including a cholesteric liquid crystal film, a quarter wave plate disposed on a light out-going surface of the cholesteric liquid crystal film and an optical compensating film disposed on a light out-going surface of the quarter wave plate, wherein the optical compensating film includes a positive birefringence C-plate, and a composite optical compensating film with combination of the optical compensating film and the quarter wave plate has in-plane phase retardation R0 of 100 nm˜170 nm and out-of-plane phase retardation Rth of 0 nm˜400 nm.

Abstract translation: 公开了一种光效率增强型光学元件，包括胆甾醇型液晶膜，配置在胆甾醇型液晶膜的光出射面上的四分之一波片，以及配置在该四分之一波长的光的向外表面上的光学补偿膜 波片，其中光学补偿膜包括正双折射C板，并且具有光学补偿膜和四分之一波片的组合的复合光学补偿膜具有100nm〜170nm的面内相位延迟R0， 0nm〜400nm的面内相位延迟Rth。