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Patent Searching and Data


Title:
WAVELENGTH CONVERSION MEMBER AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2020/161963
Kind Code:
A1
Abstract:
Provided is a technique for suppressing the temperature increase of a wavelength conversion member. The present invention is provided with: a fluorescent layer (20) that includes a fluorescent body; a substrate (30) that supports the fluorescent layer (20); and a heat sink (40) joined to the substrate (30), wherein the heat conductivity of the substrate (30) is higher than that of the fluorescent layer (20), and the heat conductivity of the heat sink (40) is higher than that of the substrate (30), or the heat conductivity of the heat sink (40) is lower than that of the substrate (30).

Inventors:
NAGASAKI YOSHIHISA
OHBAYASHI TAKASHI
TANI NAOYUKI
SUZUKI NOBUYASU
HAMADA TAKAHIRO
SUGIO YUKIHIKO
Application Number:
PCT/JP2019/040803
Publication Date:
August 13, 2020
Filing Date:
October 17, 2019
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B5/20; F21V9/30; F21V29/502; F21V29/76; G03B21/14; F21Y115/30
Domestic Patent References:
WO2016056285A12016-04-14
WO2017220411A12017-12-28
WO2016181768A12016-11-17
WO2017154807A12017-09-14
WO2019004064A12019-01-03
Foreign References:
JP2011198560A2011-10-06
CN105738994A2016-07-06
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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