Title:
LIGHT SOURCE DEVICE AND DISPLAY DEVICE EQUIPPED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2014/054510
Kind Code:
A1
Abstract:
A light source (1) comprises: a light guide plate (12) having one principal surface (12b) on which light diffusion elements (17) are provided; at least one first light source unit (13) which causes light from a first end face (121) of the light guide plate (12) to enter the light guide plate; and at least one second light source unit (14) which causes light from a second end face (122) of the light guide plate (12) to enter the light guide plate. When viewed along a facing direction in which the first end face (121) and the second end face (122) face each other, the first light source unit (13) and the second light source unit (14) are arranged with the light emitting areas shifted from each other, and the diffusion patterns formed by the light diffusion elements (17) includes a plurality of types of patterns arranged in accordance with the positions of the light emitting areas of the first light source unit (13) and the second light source unit (14).
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Inventors:
KAMADA KENTARO
Application Number:
PCT/JP2013/076188
Publication Date:
April 10, 2014
Filing Date:
September 27, 2013
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
F21S2/00; F21V29/00; G02F1/13357; F21Y101/02; F21Y103/00
Domestic Patent References:
| WO2012020589A1 | 2012-02-16 |
Foreign References:
| JP2011232607A | 2011-11-17 | |||
| JP2012185275A | 2012-09-27 |
Attorney, Agent or Firm:
SANO SHIZUO (JP)
Shizuo Sano (JP)
Shizuo Sano (JP)
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