Title:
FRAME, SURFACE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/163914
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a technique which improves the light blocking properties of a frame. A frame according to the present invention is provided with: a resin frame which surrounds at least a part of the lateral surface of a light guide plate; a reflection/diffusion material which is added into the resin frame, and reflects and diffuses light; and an absorption material which is added into the resin frame, and absorbs light. This resin frame has a reflectance of from 30% to 80% (inclusive).
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Inventors:
MIYAZAKI SHINJI (JP)
KOMANO MASAKAZU (JP)
HIROTA KAZUHIDE (JP)
TAKEMURA KOICHI (JP)
HARADA KAZUNORI (JP)
KOMANO MASAKAZU (JP)
HIROTA KAZUHIDE (JP)
TAKEMURA KOICHI (JP)
HARADA KAZUNORI (JP)
Application Number:
PCT/JP2018/007250
Publication Date:
September 13, 2018
Filing Date:
February 27, 2018
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
F21S2/00; F21V15/01; G02B5/00; G02F1/1333; G02F1/13357; F21Y115/10
Domestic Patent References:
| WO2005103159A1 | 2005-11-03 |
Foreign References:
| JP2012059372A | 2012-03-22 | |||
| JP2013114811A | 2013-06-10 | |||
| US20050168997A1 | 2005-08-04 |
Attorney, Agent or Firm:
SEKINE, Takehiko et al. (JP)
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