US 12,276,372 B2
Rotary display device
Feng Gao, Beijing (CN); and Jiyang Shao, Beijing (CN)
Assigned to Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/802,015
Filed by Beijing BOE Optoelectronics Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Oct. 11, 2021, PCT No. PCT/CN2021/123147
§ 371(c)(1), (2) Date Aug. 24, 2022,
PCT Pub. No. WO2022/105477, PCT Pub. Date May 27, 2022.
Claims priority of application No. 202011284928.9 (CN), filed on Nov. 17, 2020.
Prior Publication US 2023/0089664 A1, Mar. 23, 2023
Int. Cl. F16M 13/02 (2006.01); H02J 50/12 (2016.01)
CPC F16M 13/02 (2013.01) [H02J 50/12 (2016.02)] 19 Claims
OG exemplary drawing
 
1. A rotary display device, comprising: a rotary portion and a stationary portion; wherein
the rotary portion is rotatable relative to the stationary portion;
the stationary portion comprises an electrical signal transmitter circuit; and
the rotary portion comprises a display module and an electrical signal receiver circuit connected to the display module;
wherein the electrical signal transmitter circuit is configured to transmit electrical energy to the electrical signal receiver circuit by magnetic coupling resonance, and the electrical signal receiver circuit is configured to supply power to the display module based on the electrical energy; and
the electrical signal receiver circuit comprises a receiver coil, a second electrical signal converter sub-circuit, and an electrical signal processing sub-circuit, wherein the receiver coil is connected to an input terminal of the second electrical signal converter sub-circuit, an output terminal of the second electrical signal converter sub-circuit is connected to an input terminal of the electrical signal processing sub-circuit, and an output terminal of the electrical signal processing sub-circuit is connected to the display module; the receiver coil is configured to transmit a drive AC electrical signal to the second electrical signal converter sub-circuit based on the electrical energy; the second electrical signal converter sub-circuit is configured to convert the drive AC electrical signal to a target DC electrical signal adapted to the display module and to transmit the target DC electrical signal to the display module; and electrical signal processing sub-circuit is configured to process the target DC electrical signal and to transmit the processed target DC electrical signal to the display module, wherein the electrical signal processing sub-circuit is configured to perform at least one of voltage regulation and filtering.