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:
Nov. 20, 2018

Filed:

Apr. 10, 2015
Applicant:

Skc Hi-tech & Marketing Co., Ltd., Chungcheongnam-Do, KR;

Inventors:

Hong Youl Cho, Chungcheongnam-do, KR;

Kyoo Choong Cho, Gyeonggi-do, KR;

Hyun Cheol Nam, Chungcheongnam-do, KR;

Sue Yoen Lee, Busan, KR;

Assignee:

SKC HI-TECH & MARKETING CO., LTD., Chungcheongnam-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); C09K 19/60 (2006.01); G02B 5/00 (2006.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1335 (2013.01); C09K 19/60 (2013.01); G02B 5/003 (2013.01); G02F 1/1336 (2013.01); G02F 1/133509 (2013.01); G02F 2202/28 (2013.01); Y10T 428/1041 (2015.01);
Abstract

The present invention relates to a color purity improvement film (a color gamut enhancing film) that can improve the color purity of a liquid crystal display device, and a liquid crystal display device having the same. According to the present invention, a liquid crystal display device that blocks unnecessary wavelengths other than RGB wavelengths so as to improve color gamut and color purity may be provided by introducing a combination of dyes that absorb a particular Wavelength band to the inside of an adhesion layer or a coating layer of a as liquid crystal display device.


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