US 12,445,168 B2
Display apparatus and control method thereof
Wei Wang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 18/025,627
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Mar. 31, 2022, PCT No. PCT/CN2022/084283
§ 371(c)(1), (2) Date Mar. 9, 2023,
PCT Pub. No. WO2023/184299, PCT Pub. Date Oct. 5, 2023.
Prior Publication US 2024/0291516 A1, Aug. 29, 2024
Int. Cl. H04B 5/43 (2024.01); H04B 5/26 (2024.01); H04M 1/02 (2006.01); H05K 1/18 (2006.01); H05K 9/00 (2006.01)
CPC H04B 5/263 (2024.01) [H04B 5/43 (2024.01); H04M 1/0277 (2013.01); H05K 1/189 (2013.01); H05K 9/0081 (2013.01); H04M 2250/04 (2013.01); H05K 2201/10128 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A display apparatus, comprising a display panel, a first flexible circuit board and a main control panel, wherein the main control panel is electrically connected with the display panel through the first flexible circuit board, the first flexible circuit board is arranged on a back face of the display panel, and the display apparatus further comprises:
a second flexible circuit board comprising a base material layer and a plurality of antenna coils arranged on a side of the base material layer, wherein each of the plurality of antenna coils corresponds to a detection region; and
a near field communication circuit arranged on a circuit board different from the second flexible circuit board, wherein the near field communication circuit is configured to select one of the plurality of antenna coils for use at a same moment.