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:
Jan. 13, 2015

Filed:

Aug. 20, 2010
Applicants:

Sangtae Park, Seoul, KR;

Sangjeon Kim, Seoul, KR;

Sungwoo Kim, Seoul, KR;

Soonhyung Kwon, Seoul, KR;

Bupsung Jung, Seoul, KR;

Seungchoon Bae, Seoul, KR;

Hoyoung Seo, Seoul, KR;

Seonghwan Ryu, Seoul, KR;

Buwan Seo, Seoul, KR;

Inventors:

Sangtae Park, Seoul, KR;

Sangjeon Kim, Seoul, KR;

Sungwoo Kim, Seoul, KR;

Soonhyung Kwon, Seoul, KR;

Bupsung Jung, Seoul, KR;

Seungchoon Bae, Seoul, KR;

Hoyoung Seo, Seoul, KR;

Seonghwan Ryu, Seoul, KR;

Buwan Seo, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G02F 1/1335 (2006.01); G09F 13/04 (2006.01); G09F 13/08 (2006.01); F21V 7/04 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133606 (2013.01); G02F 1/133603 (2013.01); G02B 6/0073 (2013.01); G02F 1/133611 (2013.01); G02F 2001/133607 (2013.01);
Abstract

A backlight unit and a display device including the backlight unit are discussed. According to an embodiment, the invention provides a light generating device comprising: a first layer; a plurality of light source devices disposed on the first layer and configured to emit light, at least one of the light source devices including a light emitting diode for generating the light; a reflection layer disposed on the first layer and configured to reflect the light emitted from the light source devices; a second layer covering the light source devices and the reflection layer and configured to propagate the light reflected by the reflection layer, the second layer including a plurality of depressed portions, at least one of the depressed portions disposed between two adjacent light source devices among the plurality of light source devices; and at least one third layer disposed on the second layer and configured to diffuse the light propagated by the second layer.


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