Title:
LIGHT BEAM CONTROL MEMBER, LIGHT EMISSION DEVICE, ILLUMINATION DEVICE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/183227
Kind Code:
A1
Abstract:
This light beam control member (100) has: an entry surface (110) through which light emitted by a light-emitting element (240) enters; a total reflection surface (120) for reflecting a part of the light entering from the entry surface (110); an emission surface (130) through which a part of the light entering from the entry surface (110) and the light reflected by the total reflection surface (120) are emitted to the exterior; and a flange part (150) for reflecting a part of the light emitted from the emission surface (130). The flange part (150) is formed further outward, in the radial direction of the emission surface (130), than the emission surface (130) so as to be higher than the emission surface (130).
Inventors:
TAKATORI HIROSHI
Application Number:
PCT/JP2013/003026
Publication Date:
December 12, 2013
Filing Date:
May 13, 2013
Export Citation:
Assignee:
ENPLAS CORP (JP)
International Classes:
F21S2/00; F21V7/00; F21V7/09; G02F1/13357; F21Y101/02
Domestic Patent References:
| WO2012017636A1 | 2012-02-09 |
Foreign References:
| JP2008515140A | 2008-05-08 | |||
| JP2008300194A | 2008-12-11 |
Attorney, Agent or Firm:
WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)
Koichi Washida (JP)
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