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Patent Searching and Data


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 (3-5 Owa 3-chom, Suwa-shi Nagano 02, 〒3928502, JP)
Application Number:
JP2018/019636
Publication Date:
December 06, 2018
Filing Date:
May 22, 2018
Export Citation:
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Assignee:
SEIKO EPSON CORPORATION (1-6 Shinjuku 4-chome, Shinjuku-ku Tokyo, 01, 〒1608801, 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:
WO2014123145A12014-08-14
Foreign References:
JP2006179658A2006-07-06
JP2012162600A2012-08-30
JP2013203822A2013-10-07
JP2009076896A2009-04-09
JP2010514191A2010-04-30
JP2011013315A2011-01-20
JP2011515848A2011-05-19
JP2016062899A2016-04-25
US20170235127A12017-08-17
Attorney, Agent or Firm:
WATANABE Kazuaki et al. (2070 Kotobuki Koaka Matsumoto-shi Nagano, 02, 〒3998702, JP)
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