Title:
WAVELENGTH CONVERSION ELEMENT, LIGHTING DEVICE, PROJECTION DEVICE AND MANUFACTURING METHOD FOR WAVELENGTH CONVERSION ELEMENT
Document Type and Number:
Japanese Patent JP2023073643
Kind Code:
A
Abstract:
To increase the intensity of fluorescence emitted by a wavelength conversion element.SOLUTION: A wavelength conversion element comprises a plurality of phosphor particles, and an inorganic binder that binds the plurality of phosphor particles to each other. The wavelength conversion element comprises a fluorescent film having a porosity of 10% or more and less than 30%.SELECTED DRAWING: Figure 1
Inventors:
ICHINOSE YUICHI
KAMATA TAKESHI
AOMORI SHIGERU
YAMAMOTO MUTSUKO
UEKI TOMOKO
KAMATA TAKESHI
AOMORI SHIGERU
YAMAMOTO MUTSUKO
UEKI TOMOKO
Application Number:
JP2021186218A
Publication Date:
May 26, 2023
Filing Date:
November 16, 2021
Export Citation:
Assignee:
SHARP KK
International Classes:
F21V9/32; F21S2/00; F21S41/16; F21S41/176; F21V3/00; F21V3/02; F21V7/00; G02B5/20; G03B21/00; G03B21/14
Attorney, Agent or Firm:
Tomoya Inoue
Koji Kato
Koji Kato
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