Title:
LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/190379
Kind Code:
A1
Abstract:
This backlight device (12) is provided with: an LED (17); a light guide plate (19) which has a light incident end surface (19b) onto which light is incident from the LED (17) and which is at least a part of an outer peripheral end surface, and a light emitting plate surface (19a)from which light is emitted and which is any one of a pair of plate surfaces; and a wavelength converting unit (20) which is disposed in a configuration interposed between the LED (17) and the light incident end surface (19b) and converts the wavelength of the light from the LED (17). The wavelength converting unit (20) is provided with: a fluorescent substance-containing unit (29) which contains a fluorescent substance that uses the light from the LED (17) as excitation light; a container (30) which extends along the longitudinal direction of the light incident end surface (19b) and accommodates the fluorescent substance-containing unit (29); and a low transmittance sealing unit (31) which seals an end part in the longitudinal direction of the container (30) and has a lower light transmittance than the container 30.
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Inventors:
GOTOU AKIRA
KAMADA KENTARO
KAMADA KENTARO
Application Number:
PCT/JP2016/065536
Publication Date:
December 01, 2016
Filing Date:
May 26, 2016
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
F21S2/00; F21V9/16; G02F1/13357; H01L33/00
Foreign References:
JP2013218954A | 2013-10-24 | |||
JP2012169271A | 2012-09-06 | |||
JP2010080302A | 2010-04-08 |
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
Patent business corporation dawn joint patent firm (JP)
Patent business corporation dawn joint patent firm (JP)
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