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. 29, 2014
Filed:
Feb. 03, 2009
Applicants:
Tack Ahn, Suwon-si, KR;
Min-chul Suh, Suwon-si, KR;
Jae-bon Koo, Suwon-si, KR;
Inventors:
Assignee:
Samsung Display Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/786 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flat panel display device is disclosed. In one embodiment, the flat panel display device includes i) a semiconductor layer including a channel region and a groove, wherein the channel region electrically connects a source electrode and a drain electrode, and the groove is configured to separate the channel region from adjacent thin film transistors and ii) a stop layer formed below at least a portion of the semiconductor layer. According to one embodiment of the invention, a semiconductor layer can be easily patterned without using a dry or wet etching technique such as photolithography.