Invention Grant
- Patent Title: Projector and screen
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Application No.: US15165531Application Date: 2016-05-26
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Publication No.: US09658465B2Publication Date: 2017-05-23
- Inventor: Hiroki Matsubara , Kenji Nagashima
- Applicant: Funai Electric Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Funai Electric Co., Ltd.
- Current Assignee: Funai Electric Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Baker & Hostetler LLP
- Priority: JP2012-247435 20121109
- Main IPC: G02B27/48
- IPC: G02B27/48 ; H04N9/31 ; G03B21/62 ; G03B21/625 ; G03B21/20 ; G02B3/00 ; G02B5/02 ; G02B27/12

Abstract:
This projector includes a laser light generation portion, a projection portion scanning laser light, and a projection screen. The projection screen includes a lens member including a plurality of lens portions splitting the laser light and a diffusion member arranged to be opposed to the lens member, having an incident surface and a diffusion portion. The diffusion portion of the diffusion member is arranged at a position apart by a distance larger than the focal length of the lens member along an optical axis with respect to the optical principal surface of the lens member.
Public/Granted literature
- US20160274374A1 Projector and Screen Public/Granted day:2016-09-22
Information query