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:
Aug. 20, 2013
Filed:
May. 11, 2009
Hisato Yabuta, Machida, JP;
Masato Ofuji, Honjo, JP;
Yasuyoshi Takai, Kawasaki, JP;
Takehiko Kawasaki, Kamakura, JP;
Norio Kaneko, Atsugi, JP;
Ryo Hayashi, Yokohama, JP;
Hisato Yabuta, Machida, JP;
Masato Ofuji, Honjo, JP;
Yasuyoshi Takai, Kawasaki, JP;
Takehiko Kawasaki, Kamakura, JP;
Norio Kaneko, Atsugi, JP;
Ryo Hayashi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a semiconductor device including a semiconductor element including at least a semiconductor as a component characterized by including: a mechanism for irradiating the semiconductor with light having a wavelength longer than an absorption edge wavelength of the semiconductor; and a dimming mechanism, provided in a part of an optical path through which the light passes, for adjusting at least one factor selected from an intensity, irradiation time and the wavelength of the light, wherein a threshold voltage of the semiconductor element is varied by the light adjusted by the dimming mechanism.