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:
Dec. 26, 2006
Filed:
Mar. 25, 2005
Chen-pin Hung, Tainan County, TW;
Chen-Pin Hung, Tainan County, TW;
Chi Mei Optoelectronics Corp., Tainan County, TW;
Abstract
A liquid crystal display device comprises a liquid crystal panel having two substrates and a liquid crystal material sealed therebetween; a backlight module disposed under the liquid crystal panel; and a display case for housing the liquid crystal panel and the backlight module. The backlight module is a direct point-light type and comprises a plurality of point light sources, a reflector, a diffuser and a plurality of optical sheets. The reflector has a plurality of openings respectively positioned in relation to the point light sources such that the light provided by the point light sources can pass through the openings of the reflector and then reach the diffuser. The diffuser has a plurality of dot elements which are formed thereon and compose at least one of radially variable dot specific pattern. The radially variable dot specific pattern defines a center portion, and at least one of the point light sources is aligned relative to the center portion of the radially random dot specific pattern.