Invention Grant
- Patent Title: Display device
- Patent Title (中): 显示设备
-
Application No.: US12950151Application Date: 2010-11-19
-
Publication No.: US09086760B2Publication Date: 2015-07-21
- Inventor: Yoshiyuki Kurokawa
- Applicant: Yoshiyuki Kurokawa
- Applicant Address: JP Atsugi-shi, Kanagawa-ken
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP Atsugi-shi, Kanagawa-ken
- Agency: Fish & Richardson P.C.
- Priority: JP2009-264625 20091120
- Main IPC: G06F3/042
- IPC: G06F3/042 ; G06F3/041 ; G09G3/20
Abstract:
A purpose is to enable detection of an object in a display device including a display panel provided with photosensors when the object touches the display panel and when the object does not touch the display panel. A display device includes a display panel provided with photosensors. The display device has a function of detecting an object with the photosensor when the object touches the display panel and when the object does not touch thereto. The display device has a function of changing the sensitivity of the photosensor varies depending on whether the object touches the display panel.
Public/Granted literature
- US20110122098A1 DISPLAY DEVICE Public/Granted day:2011-05-26
Information query
