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:
Nov. 27, 2012
Filed:
Sep. 23, 2011
Applicant:
Ji NO Lee, Goyang-Si, KR;
Inventor:
Ji No Lee, Goyang-Si, KR;
Assignee:
LG Display Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 1/32 (2012.01);
U.S. Cl.
CPC ...
Abstract
A halftone mask includes shielding parts partially formed on a transparent substrate; a lower portion halftone transmission pattern partially formed between the shielding parts on the transparent substrate; and an upper potion halftone transmission pattern partially formed on the lower portion halftone transmission layer pattern, where the lower portion halftone transmission pattern is partially exposed in a gap between the shielding parts and the upper portion halftone transmission pattern.