US 12,078,919 B2
Wire grid structure and manufacturing method therefor, and projection screen
Jie Wang, Guangdong (CN); Hongxiu Zhang, Guangdong (CN); Wei Sun, Guangdong (CN); Lin Wang, Guangdong (CN); and Yi Li, Guangdong (CN)
Assigned to APPOTRONICS CORPORATION LIMITED, Guangdong (CN)
Appl. No. 17/436,457
Filed by APPOTRONICS CORPORATION LIMITED, Guangdong (CN)
PCT Filed Feb. 26, 2020, PCT No. PCT/CN2020/076765
§ 371(c)(1), (2) Date Sep. 3, 2021,
PCT Pub. No. WO2020/177590, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 201910161117.0 (CN), filed on Mar. 4, 2019.
Prior Publication US 2022/0155667 A1, May 19, 2022
Int. Cl. G03B 21/60 (2014.01); B29C 48/00 (2019.01); B29C 59/04 (2006.01); G02B 5/02 (2006.01); B29K 105/16 (2006.01); B29L 31/00 (2006.01)
CPC G03B 21/60 (2013.01) [B29C 48/0018 (2019.02); B29C 48/002 (2019.02); B29C 59/04 (2013.01); G02B 5/0242 (2013.01); G02B 5/0268 (2013.01); G02B 5/0284 (2013.01); B29K 2105/16 (2013.01); B29K 2995/003 (2013.01); B29L 2031/737 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A wire grid structure, comprising a wire grid structure body and reflective particle additives, wherein the reflective particle additives are provided on a surface of the wire grid structure body and/or are provided in an interior of the wire grid structure body, wherein microgrooves located on two opposite sides of the reflective particle additives are formed on a surface of the wire grid structure, and wherein a number of the microgrooves is at least twice of that of the reflective particle additives.