US 11,054,732 B2
Wavelength conversion module, manufacturing method of wavelength conversion module and projection device
Kuo-Chou Chang, Hsin-Chu (TW)
Assigned to Coretronic Corporation, Hsin-Chu (TW)
Filed by Coretronic Corporation, Hsin-Chu (JP)
Filed on Nov. 8, 2019, as Appl. No. 16/677,686.
Claims priority of application No. 201811339008.5 (CN), filed on Nov. 12, 2018.
Prior Publication US 2020/0150517 A1, May 14, 2020
Int. Cl. G03B 21/20 (2006.01); H04N 9/31 (2006.01); G02B 5/02 (2006.01)
CPC G03B 21/204 (2013.01) [G02B 5/0242 (2013.01); G02B 5/0284 (2013.01); G03B 21/208 (2013.01); H04N 9/3197 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A wavelength conversion module, comprising:
a substrate;
an anodized layer, located on the substrate, wherein the anodized layer has a rough surface; and
a wavelength conversion layer, formed on the rough surface, wherein the anodized layer is located between the substrate and the wavelength conversion layer, and the rough surface faces the wavelength conversion layer.