US 12,148,352 B2
Display device and control method thereof
Chengjie Li, Guangdong (CN); Wang Liu, Guangdong (CN); and Jinao Chen, Guangdong (CN)
Assigned to Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen (CN)
Appl. No. 17/600,156
Filed by Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Guangdong (CN)
PCT Filed Sep. 8, 2021, PCT No. PCT/CN2021/117106
§ 371(c)(1), (2) Date Sep. 30, 2021,
PCT Pub. No. WO2022/252428, PCT Pub. Date Dec. 8, 2022.
Claims priority of application No. 202110597212.2 (CN), filed on May 31, 2021.
Prior Publication US 2024/0029621 A1, Jan. 25, 2024
Int. Cl. G09G 3/20 (2006.01)
CPC G09G 3/2096 (2013.01) [G09G 2310/08 (2013.01); G09G 2330/021 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A display device, comprising a system on board and a timing controller, wherein
the timing controller is configured to: disconnect a communication connection with the system on board when communication with the system on board is not required, and periodically output a check signal; and stop outputting the check signal when communication with the system on board is required, and establish the communication connection with the system on board after a delay of a preset duration,
the display device further comprises a switch device connected between the system on board and the timing controller by a serial bus, and
the timing controller is further configured to: send a control signal to the switch device, and control a switch status of the switch device, to disconnect or establish the communication connection with the system on board.