US 12,306,519 B2
Laser source and laser projection apparatus
Xintuan Tian, Qingdao (CN); and Boyu Zhou, Qingdao (CN)
Assigned to HISENSE LASER DISPLAY CO., LTD, Qingdao (CN)
Filed by Hisense Laser Display Co., Ltd, Qingdao (CN)
Filed on Sep. 22, 2021, as Appl. No. 17/481,800.
Application 17/481,800 is a continuation in part of application No. PCT/CN2020/121935, filed on Oct. 19, 2020.
Application 17/481,800 is a continuation in part of application No. PCT/CN2020/121936, filed on Oct. 19, 2020.
Application 17/481,800 is a continuation in part of application No. PCT/CN2020/121934, filed on Oct. 19, 2020.
Claims priority of application No. 201911024312.5 (CN), filed on Oct. 25, 2019; application No. 201911024401.X (CN), filed on Oct. 25, 2019; and application No. 201911025064.6 (CN), filed on Oct. 25, 2019.
Prior Publication US 2022/0004090 A1, Jan. 6, 2022
Int. Cl. G03B 21/20 (2006.01); G03B 33/12 (2006.01)
CPC G03B 21/2033 (2013.01) [G03B 21/2066 (2013.01); G03B 21/208 (2013.01); G03B 33/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A laser source, comprising:
a laser source housing, the laser source housing including a plurality of accommodating openings and a beam outlet, the plurality of accommodating openings being disposed at a same side wall or different side walls of the laser source housing;
a plurality of laser arrays, the plurality of laser arrays being respectively disposed in the plurality of accommodating openings, and each laser array of the plurality of laser arrays being configured to emit laser beams into the laser source housing, and a laser-exit surface of the laser array including a plurality of laser-exit regions, and the plurality of laser-exit regions being configured to emit laser beams of multiple colors; and
a beam path assembly, the beam path assembly being disposed inside the laser source housing, and the beam path assembly being configured to combine the laser beams of the multiple colors emitted by the laser array, and make combined laser beams exit toward the beam outlet.