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:
Mar. 30, 2006
Su-mi Lee, Hwaseong-si, KR;
Jin-seung Choi, Suwon-si, KR;
Jee-hong Min, Yongin-si, KR;
Jin-hwan Kim, Suwon-si, KR;
Yoon-sun Choi, Incheon-si, KR;
Su-mi Lee, Hwaseong-si, KR;
Jin-Seung Choi, Suwon-si, KR;
Jee-hong Min, Yongin-si, KR;
Jin-hwan Kim, Suwon-si, KR;
Yoon-sun Choi, Incheon-si, KR;
Samsung Electro-Mechanics Co., Ltd, Suwon-si, KR;
Abstract
A backlight unit for a flat panel display and a flat panel display apparatus having the same. The backlight unit for a flat panel display includes a light source emitting light, a light guide panel having an incident surface facing the light source and totally reflecting light incident through the incident surface toward the flat panel display, a holographic pattern that is formed at at least one of an exit surface of the light guide panel or the opposing surface with a predetermined grating period and diffracts light incident into the light guide panel and a dot pattern containing a plurality of particles dispersed on the holographic pattern at intervals shorter than the grating period and scattering incident light.