US 11,054,729 B2
Projector and laser module thereof
Chun-Hsien Wu, Hsin-Chu (TW); Kuei-Ju Weng, Hsin-Chu (TW); Chih-Hui Chang, Hsin-Chu (TW); Yu-Chang Chang, Hsin-Chu (TW); and Fu-Shun Kao, Hsin-Chu (TW)
Assigned to Coretronic Corporation, Hsin-Chu (TW)
Filed by Coretronic Corporation, Hsin-Chu (TW)
Filed on Sep. 24, 2019, as Appl. No. 16/579,871.
Claims priority of application No. 201821558316.2 (CN), filed on Sep. 25, 2018.
Prior Publication US 2020/0096852 A1, Mar. 26, 2020
Int. Cl. G03B 21/16 (2006.01); G03B 21/20 (2006.01); H01S 5/022 (2021.01); H01S 5/02326 (2021.01); H01S 5/02355 (2021.01); H01S 5/02208 (2021.01); H01S 5/40 (2006.01)
CPC G03B 21/2033 (2013.01) [G03B 21/16 (2013.01); H01S 5/02208 (2013.01); H01S 5/02326 (2021.01); H01S 5/02355 (2021.01); H01S 5/4025 (2013.01)] 26 Claims
OG exemplary drawing
 
18. A projector, comprising:
an optical engine module;
a projection lens module, fixed to one side of the optical engine module;
a heat dissipation module, wherein a positioning groove is disposed between the heat dissipation module and the light engine module; and
a laser module, replaceably fixed in the positioning groove, wherein the laser module comprises:
a positioning member, comprising a main plate portion and two shoulder portions, wherein the main plate portion comprises a first upper surface and a first lower surface opposite to each other, a first front surface and a first rear surface opposite to each other, and a first left side surface and a first right side surface opposite to each other, and the two shoulder portions extend on a plane of the first upper surface from the first left side surface and the first right side surface of the main plate portion, respectively; and
a laser unit, fixed to the positioning member.