US 12,072,565 B2
Temperature control system and driving method thereof, and liquid crystal apparatus
Dahai Hu, Beijing (CN); Wei Sun, Beijing (CN); Chen Meng, Beijing (CN); Bo Fu, Beijing (CN); Shaobo Han, Beijing (CN); Zhong Hu, Beijing (CN); Guo Liu, Beijing (CN); Jiarong Liu, Beijing (CN); Xiantao Liu, Beijing (CN); Yutao Tang, Beijing (CN); Qinhao Piao, Beijing (CN); Yongbo Wang, Beijing (CN); Siheng Xu, Beijing (CN); Wenjie Zhong, Beijing (CN); and Binghai Zhu, Beijing (CN)
Assigned to Beijing BOE Sensor Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 17/606,745
Filed by Beijing BOE Sensor Technology Co., Ltd., Beijing (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Dec. 25, 2020, PCT No. PCT/CN2020/139374
§ 371(c)(1), (2) Date Oct. 26, 2021,
PCT Pub. No. WO2022/133999, PCT Pub. Date Jun. 30, 2022.
Prior Publication US 2022/0397789 A1, Dec. 15, 2022
Int. Cl. G02F 1/1333 (2006.01); G01K 7/02 (2021.01); G02F 1/1339 (2006.01); G05D 23/22 (2006.01); H05B 1/02 (2006.01)
CPC G02F 1/133385 (2013.01) [G01K 7/02 (2013.01); G05D 23/22 (2013.01); H05B 1/023 (2013.01); G02F 1/133302 (2021.01); G02F 1/1339 (2013.01); G02F 2202/04 (2013.01); G02F 2202/16 (2013.01); G02F 2202/28 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A liquid crystal apparatus, comprising a temperature control system, wherein the temperature control system comprises: a control circuit, an input voltage adjustment circuit, a signal amplification circuit, a temperature sensing circuit, and a heating element;
wherein the input voltage adjustment circuit is respectively coupled to a control signal output end of the control circuit, a power signal output end, and an input end of the signal amplification circuit, and is configured to: control the signal strength of a basic electric signal transmitted to the input end of the signal amplification circuit under the control of a control signal output from the control signal output end;
an output end of the signal amplification circuit is coupled to the heating element, and is configured to output a corresponding target electrical signal to the heating element according to the basic electrical signal, and the heating element is configured to adjust the heating temperature according to the target electrical signal; and
the temperature sensing circuit is respectively coupled to the heating element and the control circuit, and is configured to convert a sensed sensing signal into a feedback signal and transmit the feedback signal to the control circuit, and the control circuit is configured to control the control signal output from the control signal output end according to the received feedback signal
wherein the liquid crystal apparatus further comprises a liquid crystal panel, wherein the temperature control system is arranged in an opaque region of the liquid crystal panel, and the temperature control system is capable of controlling the temperature of the liquid crystal panel by controlling the heating temperature of the heating element.