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. 22, 2003
Filed:
Oct. 11, 2001
So Haeng Cho, Taegu-kwangyokshi, KR;
In Jae Chung, Kyongsangbuk-do, KR;
LG. Philips LCD Co., Ltd., Seoul, KR;
Abstract
Disclosed is a method for fabricating a liquid crystal display panel that has an improved picture quality by preventing stains due to impurities and ionic materials. The method includes the steps of preparing a TFT substrate having a plurality of electrodes; preparing a color filter substrate having a color filter layer, a black matrix layer, and an overcoat layer; forming a groove adjacent an edge of the overcoat layer of the color filter substrate; forming a double sealant at the sides of the groove in the overcoat layer; forming a liquid crystal layer on at least one of the TFT substrate and the color filter substrate; and attaching the TFT substrate to the color filter substrate.