Invention Grant
- Patent Title: Illumination device including light source, light diffuser and light shield, and manufacturing method thereof
- Patent Title (中): 包括光源，光扩散器和遮光罩的照明装置及其制造方法
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Application No.: US12878245Application Date: 2010-09-09
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Publication No.: US08496361B2Publication Date: 2013-07-30
- Inventor: Masamichi Watanabe , Ryo Hattori , Hidekatsu Kobayashi , Shoh Tsuchiya , Nariyasu Hayakawa
- Applicant: Masamichi Watanabe , Ryo Hattori , Hidekatsu Kobayashi , Shoh Tsuchiya , Nariyasu Hayakawa
- Applicant Address: JP Kawasaki
- Assignee: Fujitsu Limited
- Current Assignee: Fujitsu Limited
- Current Assignee Address: JP Kawasaki
- Agency: Fujitsu Patent Center
- Priority: JP2009-209328 20090910
- Main IPC: F21V3/00
- IPC: F21V3/00 ; F21V5/00 ; F21V1/14
Abstract:
An illumination unit including: a light source; a light guide-diffuser that guides and diffuses source light from the light source; a selective translucent unit that reflects external light or reduces the transmission of external light, while also transmitting light guided from the light guide-diffuser; and a presentation surface that presents the source light that has been guided from the light guide-diffuser and transmitted through the selective translucent unit.
Public/Granted literature
- US20110228554A1 ILLUMINATION UNIT, DEVICE, AND MANUFACTURING METHOD Public/Granted day:2011-09-22
Information query
