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 8400581 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 19, 2013

Filed:

Feb. 04, 2010
Applicants:

Jae Heon Noh, Hwaseong-si, KR;

Dong Seob Jang, Seoul, KR;

Chang Hyun Kim, Suwon-si, KR;

Inventors:

Jae Heon Noh, Hwaseong-si, KR;

Dong Seob Jang, Seoul, KR;

Chang Hyun Kim, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are a backlight unit capable of guiding light generated by LEDs to a light guide panel in order to eliminate brightness fault, as well as a light crystal display including the same. The backlight unit includes a light guide panel, an LED arranged at a lateral side of the light guide panel, and a light guide bar with at least one light diffusion pattern to scatter light generated by the LED and admit the scattered light into the light guide panel, thereby uniformly guiding the light generated by the LED to the light guide panel.


Find Patent Forward Citations

Noh, Jae. (2013). Back light unit and liquid crystal display comprising the same (U.S. Patent No. 8400581). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8400581

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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