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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/2022/050229
Kind Code:
A1
Abstract:
This wavelength conversion member includes a wavelength conversion layer containing light-scattering particles and a phosphor. The light-scattering particles include light-scattering particles having a refractive index of no more than 2.3. The product of the content percentage A (mass%) of the light-scattering particles in the wavelength conversion layer and the thickness B (μm) of the wavelength conversion layer is within the range of 40-1200.

Inventors:
YOSHIDA YUMA (JP)
SENBA YUKI (JP)
KURODA TAKAHIRO (JP)
KIKUCHI SAYAKA (JP)
OKUDA TADASHI (JP)
NISHIMURA MASATO (JP)
Application Number:
PCT/JP2021/031770
Publication Date:
March 10, 2022
Filing Date:
August 30, 2021
Export Citation:
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Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
G02B5/20; F21S2/00; F21V9/30
Foreign References:
JP2018128590A2018-08-16
JP2017076482A2017-04-20
JP2016159445A2016-09-05
CN109628022A2019-04-16
US20140192294A12014-07-10
JP2017107174A2017-06-15
JP6736106B12020-08-05
CN109768150A2019-05-17
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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