US 12,278,434 B2
Thin-film antenna, displaying module and displaying device
Penghao Gu, Beijing (CN); and Xin Wang, Beijing (CN)
Assigned to BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/913,020
Filed by BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Nov. 2, 2021, PCT No. PCT/CN2021/128096
§ 371(c)(1), (2) Date Sep. 20, 2022,
PCT Pub. No. WO2022/205894, PCT Pub. Date Oct. 6, 2022.
Claims priority of application No. 202110362865.2 (CN), filed on Apr. 2, 2021.
Prior Publication US 2024/0170846 A1, May 23, 2024
Int. Cl. H01Q 7/00 (2006.01); H01Q 1/22 (2006.01); H01Q 1/50 (2006.01)
CPC H01Q 7/00 (2013.01) [H01Q 1/22 (2013.01); H01Q 1/50 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A thin-film antenna, wherein the thin-film antenna comprises a first region and a second region, and the thin-film antenna comprises: an antenna functional layer, a first film layer and a lead-wire layer that are arranged in stack; and
the antenna functional layer comprises an antenna coil, the antenna coil is located within the first region, the lead-wire layer comprises a lead wire and a terminal connected to the lead wire, the terminal is located within the second region, and the lead wire and the antenna coil are connected by a via hole provided on the first film layer;
wherein a second film layer is provided on one side of the antenna functional layer that is away from the lead-wire layer, and a third film layer is provided on one side of the lead-wire layer that is away from the antenna functional layer;
a first adhesive film and a release film are provided in stack on one side of the third film layer that is away from the lead-wire layer, the first adhesive film is directly adjacent to the third film layer, the release film is for being stripped from a surface of the first adhesive film when adhered to the thin-film antenna, and the first adhesive film and the release film are located within the first region; and
a second adhesive film and a magnetic conductive material layer are provided in stack on one side of the second film layer that is away from the antenna functional layer, the second adhesive film is directly adjacent to the second film layer, and the second adhesive film and the magnetic conductive material layer are located within the first region.