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.:

US 6857759 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 22, 2005

Filed:

Mar. 17, 2003
Applicants:

Tae-jin Lee, Suwon-si, KR;

Jong-dae Park, Seoul, KR;

Jeong-hwan Lee, Suwon-si, KR;

Keun-woo Lee, Gyeonggi-do, KR;

Jae-sang Lee, Seoul, KR;

Yong-seok Choi, Suwon-si, KR;

Chang-young Bang, Suwon-si, KR;

Inventors:

Tae-Jin Lee, Suwon-si, KR;

Jong-Dae Park, Seoul, KR;

Jeong-Hwan Lee, Suwon-si, KR;

Keun-Woo Lee, Gyeonggi-do, KR;

Jae-Sang Lee, Seoul, KR;

Yong-Seok Choi, Suwon-si, KR;

Chang-Young Bang, Suwon-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S004/00 ; F21V007/04 ; G02F001/1335 ;
U.S. Cl.
CPC ...
Abstract

Disclosed is a backlight assembly and an LCD apparatus having uniform brightness and low power consumption. The backlight assembly has a plurality of lamps for providing light to the LCD panel. Each of the plurality of lamps has two or more sub-lamps connected to each other in series. The backlight assembly has a brightness control unit disposed between the sub-lamps to reduce a brightness difference.


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Lee, Tae-Jin. (2005). Backlight assembly and liquid crystal display apparatus (U.S. Patent No. 6857759). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6857759

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