The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2015
Filed:
Sep. 17, 2012
Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, Guangdong, CN;
Zan Yang, Guangdong, CN;
Chia-Chiang Hsiao, Guangdong, CN;
SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen, Guangdong, CN;
Abstract
The present invention provides a composite phase retarder and an organic light emitting display apparatus using the same. The organic light emitting display apparatus comprises an organic light emitting display panel and the composite phase retarder. The composite phase retarder comprises a quarter wave (λ/4) phase retarder, a polarizer and a pattern retarder stacked in sequence. The present invention can be applicable to display 3D images and enhance a display contrast of the organic light emitting display apparatus.