The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 19, 2023

Filed:

Apr. 19, 2019
Applicant:

Materion Precision Optics (Shanghai) Limited, Pudong Shanghai, CN;

Inventors:

Wen Bo Zhang, Shanghai, CN;

Ansheng Liang, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); F21V 9/45 (2018.01); G02B 5/08 (2006.01); G03B 21/20 (2006.01); G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
G02B 26/007 (2013.01); F21V 9/45 (2018.02); G02B 5/0808 (2013.01); G03B 21/16 (2013.01); G03B 21/204 (2013.01);
Abstract

A wavelength conversion device () comprises: a substrate (), a reflective layer () on the substrate () and a wavelength conversion layer () on the reflective layer (). The reflective layer () comprises a binder () and reflective titanium dioxide nanoparticles (). The nanoparticles () have a particle size of about 200 nanometers to about 500 nanometers. The reflective layer () has enhanced thermal stability. Methods of manufacture the wavelength conversion device are also disclosed.


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