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.
Patent No.:
Date of Patent:
Apr. 30, 2019
Filed:
Apr. 27, 2017
Applicant:
Lg Display Co., Ltd., Seoul, KR;
Inventor:
Donghyun Lee, Paju-si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13 (2006.01); G03F 7/20 (2006.01); G02F 1/1368 (2006.01); G02F 1/1362 (2006.01);
U.S. Cl.
CPC ...
G02F 1/1303 (2013.01); G02F 1/1368 (2013.01); G03F 7/70083 (2013.01); G02F 2001/136222 (2013.01); G02F 2001/136236 (2013.01);
Abstract
Disclosed are a divisional exposure apparatus which allows for forming a PAC layer uniformly on RGBW subpixels by a single mask process, using divisional exposure, in a large-size liquid crystal display with a COT structure, and a method of manufacturing a liquid crystal display using the same. To this end, the sum of illumination intensities at the center of an overlap region is controlled in the range of 120% to 130%, and gradually increases from 100% at the edge (boundary) of the overlap region. Accordingly, the cell gap between the RGB subpixels and the W subpixel is made uniform, thus preventing the problem of spots.