Title:
表示装置
Document Type and Number:
Japanese Patent JP5116829
Kind Code:
B2
Abstract:
The display device has a display panel where a photosensor and a transistor including an oxide semiconductor layer are arranged. The display device detects a shadow of the object, which is projected on the display panel when the object approaches the display panel and blocks ambient light, with a photosensor, whereby a position or motion of the object is detected. Even when the object is not in contact with the display panel, the object can be detected.
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Inventors:
Yoshimoto Kurokawa
Takayuki Ikeda
Teru Tamura
Shunpei Yamazaki
Takayuki Ikeda
Teru Tamura
Shunpei Yamazaki
Application Number:
JP2010247038A
Publication Date:
January 09, 2013
Filing Date:
November 04, 2010
Export Citation:
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
International Classes:
G06F3/042; G02F1/1333; G02F1/136; G06F3/041; G09F9/00; G09G3/20; G09G3/36
Domestic Patent References:
| JP2007102154A | ||||
| JP2009146100A | ||||
| JP2009224479A | ||||
| JP2005275644A |