US 11,927,878 B2
Projection screen, manufacturing method, and display system having nanoparticle layers
Guangyun Tong, Beijing (CN); Yu Zhang, Beijing (CN); Zhuolong Li, Beijing (CN); Xuefei Qin, Beijing (CN); and Junning Su, Beijing (CN)
Assigned to BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/779,296
Filed by BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing (CN); and BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jun. 9, 2021, PCT No. PCT/CN2021/099174
§ 371(c)(1), (2) Date May 24, 2022,
PCT Pub. No. WO2022/007576, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 202010642530.1 (CN), filed on Jul. 6, 2020.
Prior Publication US 2022/0413375 A1, Dec. 29, 2022
Int. Cl. G03B 21/62 (2014.01); B05B 1/14 (2006.01); B05B 1/20 (2006.01); B05B 13/04 (2006.01); B32B 7/12 (2006.01); B32B 17/06 (2006.01); B32B 27/06 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); H04N 9/31 (2006.01)
CPC G03B 21/62 (2013.01) [B05B 1/14 (2013.01); B05B 1/20 (2013.01); B32B 7/12 (2013.01); B32B 17/06 (2013.01); B32B 27/06 (2013.01); G06F 3/0416 (2013.01); G06F 3/0446 (2019.05); B05B 13/04 (2013.01); B32B 2307/412 (2013.01); B32B 2307/538 (2013.01); B32B 2307/732 (2013.01); B32B 2457/208 (2013.01); G06F 2203/04103 (2013.01); H04N 9/3179 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A projection screen, comprising a first transparent cover plate, a transparent touch panel, and a first nanoparticle layer, wherein the first nanoparticle layer and the first transparent cover plate are sequentially laminated on one side of the transparent touch panel, and the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes; and
further comprising a second transparent cover plate and a second nanoparticle layer, wherein the second nanoparticle layer and the second transparent cover plate are sequentially laminated on the other side of the transparent touch panel, and the second nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes.