Invention Grant
- Patent Title: Light-emitting device and camera
- Patent Title (中): 发光装置和相机
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Application No.: US14281014Application Date: 2014-05-19
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Publication No.: US09319596B2Publication Date: 2016-04-19
- Inventor: Yoshiharu Hirakata , Nobuharu Ohsawa , Hisao Ikeda , Kazuhiko Fujita , Akihiro Kaita
- Applicant: Semiconductor Energy Laboratory Co., Ltd.
- Applicant Address: JP
- Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
- Current Assignee Address: JP
- Agency: Husch Blackwell LLP
- Priority: JP2013-107153 20130521
- Main IPC: H05B39/02
- IPC: H05B39/02 ; H04N5/235 ; G03B15/03 ; H05B33/08 ; H04N5/225 ; G03B15/05 ; H01L51/52
Abstract:
A small light-emitting device is provided. A light-emitting device which is less likely to produce a shadow is provided. A structure including a switching circuit for supplying a pulsed constant current and a light-emitting panel supplied with the pulsed constant current has been conceived.
Public/Granted literature
- US20140347555A1 Light-Emitting Device and Camera Public/Granted day:2014-11-27
Information query
