Invention Application
- Patent Title: LIGHT GUIDE PLATE DISPLAY DEVICE
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Application No.: US15328009Application Date: 2015-06-02
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Publication No.: US20170146721A1Publication Date: 2017-05-25
- Inventor: ATSUSHI FUKUI , KEIZOU MATSUMURA , TAKAYUKI YAMAGUCHI
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Priority: JP2014-178613 20140903
- International Application: PCT/JP2015/002770 WO 20150602
- Main IPC: F21V8/00
- IPC: F21V8/00 ; G09F13/16

Abstract:
A light guide plate display device includes a light guide plate, a plurality of light source devices, and a plurality of prisms. The light guide plate includes a display face and a plurality of end faces, and is formed of a light transmitting material. The light source devices are provided along respective end faces of the light guide plate, and radiate light from the end face toward an inside of the light guide plate. The prisms are formed inside the light guide plate. The prisms respectively have a plurality of side faces which face the respective light source devices. The respective side faces are inclined at least in two stages of a transmitting inclined face which transmits light radiated from the light source device, and a reflecting inclined face which reflects the light radiated from the light source device, and outputs the light to the display face, in a thickness direction of the light guide plate.
Public/Granted literature
- US09903996B2 Light guide plate display device Public/Granted day:2018-02-27
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