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.

Date of Patent:
Jul. 24, 2018

Filed:

Apr. 11, 2013
Applicant:

Samsung Display Co., Ltd., Yongin, Gyeonggi-do, KR;

Inventors:

Daehoon Song, Seoul, KR;

Young-keun Lee, Cheonan-si, KR;

Juhwa Ha, Asan-si, KR;

Jin Seo, Osan-si, KR;

Juyoun Son, Hwaseong-si, KR;

Sangheon Ye, Cheonan-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 13/04 (2006.01); G09F 13/08 (2006.01); F21S 4/00 (2016.01); F21V 21/00 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G09F 13/0409 (2013.01); G02F 1/133603 (2013.01); G02F 1/133605 (2013.01); G09F 13/04 (2013.01);
Abstract

A backlight unit includes a light source part configured to emit a light and a reflective sheet disposed under the light source part. The light source part includes a first light source block including a plurality of light sources with first distances therebetween and a second light source block including a plurality of light sources with second distances therebetween. The first distances increase or decrease as the light sources of the first light source block are closer to an end portion of the first light source block than to a center portion of the first light source block, and the second distances increase as the light sources of the second light source block axe closer to an end portion of the second light source block than to a center portion of the second light source block.


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