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. 21, 2008
Filed:
Jan. 20, 2005
Chi-jen Huang, Taichung, TW;
Chih-li Chang, Tainan, TW;
Chi-Jen Huang, Taichung, TW;
Chih-Li Chang, Tainan, TW;
Hannstar Display Corporation, Taipei County, TW;
Abstract
A flat panel display including a backlight module, a liquid crystal display panel, and a brightness enhancement diffuser plate (BEDP) is provided. The liquid crystal display panel is disposed on the backlight module, and the BEDP is disposed between the backlight module and the liquid crystal display panel. Furthermore, the BEDP includes a first and a second diffusion layers embedded to each other, wherein the first diffusion layer is disposed near the liquid crystal display panel, the second diffusion layer is disposed near the backlight module, and the first and the second diffusion layers have different refractive indexes, transmittances and haze values, so that optical performance of the flat panel display is optimized.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile