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:
Mar. 18, 2014

Filed:

Mar. 28, 2012
Applicants:

Kei Takahashi, Isehara, JP;

Satoshi Murakami, Atsugi, JP;

Suguru Ozawa, Atsugi, JP;

Inventors:

Kei Takahashi, Isehara, JP;

Satoshi Murakami, Atsugi, JP;

Suguru Ozawa, Atsugi, JP;

Assignee:

Semiconductor Energy Laboratory Co., Ltd., Atsugi-shi, Kanagawa-ken, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 27/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An object is to provide a system-on-panel display device including a display portion and a peripheral circuit for controlling display on the display portion over one substrate, which can operate more accurately. The display device has a display portion provided with a pixel portion including a plurality of pixels and a peripheral circuit portion for controlling display on the display portion, which are provided over a substrate. Each of the display portion and the peripheral circuit portion includes a plurality of transistors. For semiconductor layers of the transistors, single crystal semiconductor materials are used.


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