Title:
HIGH TEMPERATURE RESISTANT REFLECTIVE LAYER FOR WAVELENGTH CONVERSION DEVICES
Document Type and Number:
WIPO Patent Application WO/2020/211091
Kind Code:
A1
Abstract:
A wavelength conversion device (100) comprises: a substrate (110), a reflective layer (120) on the substrate (110) and a wavelength conversion layer (130) on the reflective layer (120). The reflective layer (120) comprises a binder (121) and reflective titanium dioxide nanoparticles (122). The nanoparticles (122) have a particle size of about 200 nanometers to about 500 nanometers. The reflective layer (120) has enhanced thermal stability. Methods of manufacture the wavelength conversion device are also disclosed.
Inventors:
ZHANG WENBO (CN)
LIANG ANSHENG (CN)
LIANG ANSHENG (CN)
Application Number:
PCT/CN2019/083523
Publication Date:
October 22, 2020
Filing Date:
April 19, 2019
Export Citation:
Assignee:
MATERION PREC OPTICS SHANGHAI LIMITED (CN)
International Classes:
G03B21/20; G02B26/00
Domestic Patent References:
| WO2017100996A1 | 2017-06-22 |
Foreign References:
| CN104100933A | 2014-10-15 | |||
| CN109073876A | 2018-12-21 | |||
| CN208297916U | 2018-12-28 | |||
| CN208297917U | 2018-12-28 | |||
| JP2012185980A | 2012-09-27 | |||
| TWI614917B | 2018-02-11 | |||
| US20130286359A1 | 2013-10-31 | |||
| US20200058830A1 | 2020-02-20 | |||
| US20160123557A1 | 2016-05-05 | |||
| US20180348614A1 | 2018-12-06 |
Other References:
See also references of EP 3956724A4
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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