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:
Jul. 21, 1998
Filed:
Nov. 18, 1996
Kyu-Chul Cho, Anyang, KR;
LC Electronics Inc., Seoul, KR;
Abstract
A method for manufacturing a light shielding layer for a liquid crystal display device having a substrate includes the steps of forming a color filter layer including RGB colors on the substrate and coating a first light shielding material on the color filter layer and the substrate. A first back exposure is performed to form first hardened portions and first unhardened portions of the first light shielding material, and the unhardened portions are developed. A second light shielding material on the color filter layer and the first light shielding material. A second back exposure is performed to form second hardened and second unhardened portions of the second light shielding material, and the second unhardened portions are developed.