Invention Grant
US07809040B2 Red surface emitting laser element, image forming device, and image display apparatus
有权
红色表面发射激光元件,图像形成装置和图像显示装置
- Patent Title: Red surface emitting laser element, image forming device, and image display apparatus
- Patent Title (中): 红色表面发射激光元件,图像形成装置和图像显示装置
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Application No.: US12028562Application Date: 2008-02-08
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Publication No.: US07809040B2Publication Date: 2010-10-05
- 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: H01S5/00
- IPC: H01S5/00

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
- US20080212631A1 RED SURFACE EMITTING LASER ELEMENT, IMAGE FORMING DEVICE, AND IMAGE DISPLAY APPARATUS Public/Granted day:2008-09-04
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