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:
Jan. 18, 2011
Filed:
May. 29, 2008
Applicants:
Min Dong, Beijing, CN;
Seongyeol Yoo, Beijing, CN;
Inventors:
Min Dong, Beijing, CN;
Seongyeol Yoo, Beijing, CN;
Assignee:
Beijing Boe Optoelectronics Technology Co., Ltd, Beijing, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gray scale mask for fabricating a thin film transistor, comprising: a source mask region; a drain mask region; and a channel mask region between the source mask region and the drain mask region, wherein a plurality of light-blocking bars are arranged regularly in the channel mask region, and the light-blocking bars are perpendicular to a center line of the channel mask region.