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:
Aug. 13, 2019

Filed:

Sep. 25, 2017
Applicant:

Lg Display Co., Ltd., Seoul, KR;

Inventors:

Ju-Hun Min, Paju-si, KR;

Young-Hun Jeong, Seoul, KR;

Min-Gyu Choi, Paju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01); G02B 1/14 (2015.01);
U.S. Cl.
CPC ...
G02B 6/0055 (2013.01); G02B 1/14 (2015.01); G02B 6/0051 (2013.01); G02B 6/0065 (2013.01); G02B 6/0068 (2013.01); G02F 2202/28 (2013.01);
Abstract

A liquid crystal display device in an example includes a light guide plate that includes a light entering surface facing a light source; a reflecting plate below the light guide plate; an optical sheet on the light guide plate; a liquid crystal panel on the optical sheet; and a pattern adhesive layer that attaches at least one of the reflecting plate and the optical sheet to the light guide plate, wherein the pattern adhesive layer includes honeycomb shaped unit patterns that each include two first separation walls facing each other in a first direction perpendicular to the light entering surface, and second separation walls other than the first separation walls and each have an air cell defined therein, and wherein the unit patterns are arranged in the first direction and in a second direction perpendicular to the first direction.


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