Invention Grant
- Patent Title: Red surface emitting laser element, image forming device, and image display apparatus
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Application No.: US12487619Application Date: 2009-06-18
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Publication No.: US08031753B2Publication Date: 2011-10-04
- Inventor: Tetsuya Takeuchi , Mamoru Uchida , Tomoyuki Miyamoto , Fumio Koyama
- Applicant: Tetsuya Takeuchi , Mamoru Uchida , Tomoyuki Miyamoto , Fumio Koyama
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2007-033788 20070214; JP2008-024485 20080204
- Main IPC: H01S5/183
- IPC: H01S5/183

Abstract:
A red surface emitting laser element includes a first reflector, a second reflector including a p-type semiconductor multilayer film, an active layer between the first reflector and the second reflector, and a p-type semiconductor spacer layer between the active layer and the second reflector, the p-type semiconductor spacer layer having a thickness of 100 nm or more and 350 nm or less.
Public/Granted literature
- US08116344B2 Red surface emitting laser element, image forming device, and image display apparatus Public/Granted day:2012-02-14
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