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:
Jun. 28, 2011
Filed:
Oct. 02, 2009
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 1/00 (2006.01); G03F 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A halftone mask includes a shielding pattern partially formed on a transparent substrate; a first halftone transmission pattern partially formed on the transparent substrate; and a second halftone transmission pattern formed on the first halftone transmission layer. On this halftone mask, a width of the second halftone transmission pattern is narrower than a width of the first halftone transmission pattern.