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:
Aug. 23, 2022

Filed:

Apr. 10, 2019
Applicant:

Coretronic Corporation, Hsin-Chu, TW;

Inventor:

I-Hua Chen, Hsin-Chu, TW;

Assignee:

Coretronic Corporation, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); G02B 5/02 (2006.01); G03B 21/20 (2006.01); G02B 27/09 (2006.01); H01L 33/46 (2010.01); H01L 33/40 (2010.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); G02B 5/0205 (2013.01); G02B 27/0977 (2013.01); G03B 21/204 (2013.01); G03B 21/2066 (2013.01); H01L 33/405 (2013.01); H01L 33/46 (2013.01);
Abstract

A wavelength-converting element includes a substrate, a wavelength-converting layer and a diffuse reflection layer. The wavelength-converting layer is disposed above the substrate. The diffuse reflection layer is disposed between the substrate and the wavelength-converting layer. The diffuse reflection layer includes an inorganic binder and a plurality of diffuse reflection particles. The diffuse reflection particles are mixed with the inorganic binder. The inorganic binder includes an alcohol-soluble inorganic binder or a water-soluble inorganic binder. A projection apparatus using the wavelength-converting element and a manufacturing method of the wavelength-converting element are also provided.


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