Title:
PHOSPHOR WHEEL, ILLUMINATOR, AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2022/004911
Kind Code:
A1
Abstract:
A phosphor wheel comprising: a substrate having a recess, a phosphor layer disposed in the recess, and a first reflection layer surrounding the substrate. Thus, heat emission efficiency is increased, and it is possible to prevent defects such as cracking or discolouration of the phosphor layer.
Inventors:
KIM MINSUNG (KR)
HONG GUNYOUNG (KR)
KANG BOKYUNG (KR)
BAEK SEUNGMI (KR)
HONG GUNYOUNG (KR)
KANG BOKYUNG (KR)
BAEK SEUNGMI (KR)
Application Number:
PCT/KR2020/008551
Publication Date:
January 06, 2022
Filing Date:
June 30, 2020
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
G02B26/00; G02B5/20; G03B21/14; H04N9/31
Foreign References:
| JP2015118139A | 2015-06-25 | |||
| KR20180093938A | 2018-08-22 | |||
| JP2012098442A | 2012-05-24 | |||
| KR20170113533A | 2017-10-12 | |||
| JP2011180353A | 2011-09-15 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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