Title:
OPTICAL MEMBER AND LIGHT GUIDE SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/116715
Kind Code:
A1
Abstract:
Provided are: an optical member which enables further reduction in the thickness, while achieving emission light that has high luminance, excellent color reproduction performance and excellent uniformity; and a light guide system. An optical member according to the present invention comprises: a light guide plate which has a first main surface and a second main surface; a wavelength conversion layer which is arranged in the vicinity of one end of the first main surface of the light guide plate, and which converts the wavelength of light that is incident thereon from the opposite side of the light guide plate and has a wavelength in a region from ultraviolet to blue, and subsequently guides the light to the light guide plate; and a first reflection plate which is arranged on a lateral surface of the light guide plate, on said lateral surface being on the side where the wavelength conversion layer is arranged.
Inventors:
NAKAMURA KOZO (JP)
Application Number:
PCT/JP2018/038408
Publication Date:
June 20, 2019
Filing Date:
October 16, 2018
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
F21S2/00; F21V8/00; F21V9/00; G02B6/00; G02F1/13357; H01L33/50; F21Y115/10
Foreign References:
| JP2017069049A | 2017-04-06 | |||
| JP2007184262A | 2007-07-19 | |||
| JP2017024325A | 2017-02-02 | |||
| JP2013258359A | 2013-12-26 |
Attorney, Agent or Firm:
MOMII Takafumi (JP)
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