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:
May. 08, 2007
Filed:
May. 06, 2004
Jen-huai Chang, Yongjing Shiang, TW;
Jyh Horng Wang, Sansia Township, Taipei County, TW;
Chiang Hsing Liu, Yuanli Township, Miaoli County, TW;
Jen-Huai Chang, Yongjing Shiang, TW;
Jyh Horng Wang, Sansia Township, Taipei County, TW;
Chiang Hsing Liu, Yuanli Township, Miaoli County, TW;
Entire Technology Co., Ltd., Taoyuan County, TW;
Abstract
A direct type backlight module with a diffuser plate and its manufacturing method for application to an LCD TV is provided. The diffuser plate has a plurality of columnar lenticular lens surfaces for scattering incident light to increase its light uniformity and reducing the quantity of light dispersant in the diffuser plate in the range of from 30% to 50% to increase light transmission ratio. Through the use of vertical or horizontal lenticular lenses of at least one columnar lenticular lens surface the diffusion degree in every direction is adjusted.