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:
Apr. 23, 2019

Filed:

Jul. 31, 2017
Applicant:

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

Inventors:

Joonggun Chong, Yongin-si, KR;

Jehong Choi, Suwon-si, KR;

Chanjae Park, Suwon-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 6/00 (2006.01); G02F 1/1362 (2006.01); G02F 1/1368 (2006.01); G02F 1/1335 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0043 (2013.01); G02B 6/00 (2013.01); G02B 6/0055 (2013.01); G02B 6/0065 (2013.01); G02F 1/1368 (2013.01); G02F 1/136286 (2013.01); G02F 2001/133607 (2013.01); G02F 2201/123 (2013.01);
Abstract

A backlight unit and a display device includes a light source which generates light used by a display panel to display an image; and a light guide plate which receives the light from the light source and emits the light through a light emission surface thereof. The light guide plate includes: a base layer; a light transmitting layer on the base layer and defining the light emission surface of the light guide plate; and a light transmitting particle provided in plurality between the base layer and the light transmitting layer. The light transmitting particle has a refractive index higher than a refractive index of the light transmitting layer.


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