Title:
LIGHT-EMITTING DEVICE AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2018/221316
Kind Code:
A1
Abstract:
Provided is a light-emitting device that makes it possible to improve light emission efficiency. The light-emitting device includes a substrate, a light source, and a plurality of columnar sections provided to the substrate, said columnar sections comprising a first fluorescent material that uses the light emitted from the light source to emit light. The light source irradiates the columnar sections with light obliquely.
Inventors:
IMAI YASUTAKA (JP)
Application Number:
PCT/JP2018/019636
Publication Date:
December 06, 2018
Filing Date:
May 22, 2018
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
International Classes:
G02B5/20; F21S2/00; F21V7/30; F21V9/40; F21V29/502; F21V29/60; G03B21/14; H01L33/50; H01S5/022; F21Y115/10
Domestic Patent References:
WO2014123145A1 | 2014-08-14 |
Foreign References:
JP2006179658A | 2006-07-06 | |||
JP2012162600A | 2012-08-30 | |||
JP2013203822A | 2013-10-07 | |||
JP2009076896A | 2009-04-09 | |||
JP2010514191A | 2010-04-30 | |||
JP2011013315A | 2011-01-20 | |||
JP2011515848A | 2011-05-19 | |||
JP2016062899A | 2016-04-25 | |||
US20170235127A1 | 2017-08-17 |
Attorney, Agent or Firm:
WATANABE Kazuaki et al. (JP)
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