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Patent Searching and Data


Title:
WAVELENGTH CONVERSION MEMBER, BACKLIGHT UNIT AND IMAGE DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/186726
Kind Code:
A1
Abstract:
A wavelength conversion member which contains a quantum dot phosphor and is capable of converting incident light into green light and red light, and which is configured such that the half-value width (FWHM-G) of the emission spectrum of the green light and the half-value width (FWHM-R) of the emission spectrum of the red light satisfy the following condition A. Condition A: (FWHM-G)/(FWHM-R) ≤ 0.70

Inventors:
MUKAIGAITO, Kouhei (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
FUNYU, Shigeaki (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
TAKAHASHI, Hiroaki (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
NAKAMURA, Tomoyuki (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
YAHATA, Tatsuya (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
Application Number:
JP2018/012581
Publication Date:
October 03, 2019
Filing Date:
March 27, 2018
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Assignee:
HITACHI CHEMICAL COMPANY, LTD. (9-2 Marunouchi 1-chome, Chiyoda-ku Tokyo, 06, 〒1006606, JP)
International Classes:
G02B5/20; H01L33/50
Domestic Patent References:
WO2017159720A12017-09-21
WO2017154747A12017-09-14
Foreign References:
JP2010080935A2010-04-08
JP2017125898A2017-07-20
JP2016167041A2016-09-15
JP2016181550A2016-10-13
JP2016507165A2016-03-07
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (3-17, Shinjuku 4-chome Shinjuku-k, Tokyo 22, 〒1600022, JP)
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