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.

Date of Patent:
Dec. 11, 2007

Filed:

Sep. 06, 2005
Applicant:

Chin-kuo Ting, Gueishan Township, Taoyuan County, TW;

Inventor:

Chin-Kuo Ting, Gueishan Township, Taoyuan County, TW;

Assignee:

AU Optronics Corp., Hsinchu, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/76 (2006.01);
U.S. Cl.
CPC ...
Abstract

A thin film transistor, comprising a first N-type LDD (Lightly Doped Drain) and a second N-type LDD, is provided. The two N-type LDDs are formed in a semiconductor layer by tilted implantation with a gate electrode serving as a mask. The two N-type LDDs are adjacent to source/drain regions, respectively. The thin film transistor further comprises a third P-type LDD and a fourth P-type LDD. The two P-type LDDs are formed in a semiconductor layer by tilted implantation with a gate electrode serving as a mask. The source/drain regions and the two N-type LDDs are surrounded by the two P-type LDDs, respectively.


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Ting, Chin-Kuo. (2007). Thin film transistor (U.S. Patent No. 7307316). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7307316

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