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Title:
WAVELENGTH CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/153620
Kind Code:
A1
Abstract:
A wavelength conversion device, comprising: a substrate; a diffuse reflection layer, positioned on the substrate; and a light-emitting layer, positioned on the diffuse reflection layer. The light-emitting layer is used for receiving exciting light and converting the exciting light into excited light having a wavelength different from that of the exciting light; the diffuse reflection layer is used for reflecting the exciting light and the excited light penetrating through the light-emitting layer; in the light-emitting layer, first fluorescent powder particles are packaged by using organic silica gel; the diffuse reflection layer comprises a mixture of first glass powder and diffuse reflection particles.

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Inventors:
LI QIAN (CN)
WANG YANGUANG (CN)
CHEN YUSAN (CN)
XU YANZHENG (CN)
Application Number:
PCT/CN2018/091698
Publication Date:
August 15, 2019
Filing Date:
June 15, 2018
Export Citation:
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Assignee:
APPOTRONICS CORP LTD (CN)
International Classes:
F21K9/64; F21V9/40
Foreign References:
CN203489180U2014-03-19
CN104566229A2015-04-29
CN105301878A2016-02-03
US20160139401A12016-05-19
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