US 12,334,013 B2
Display panel and display apparatus
Kening Zheng, Beijing (CN); Xueguang Hao, Beijing (CN); and Xing Yao, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Appl. No. 18/288,454
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Dec. 15, 2022, PCT No. PCT/CN2022/139222
§ 371(c)(1), (2) Date Oct. 26, 2023,
PCT Pub. No. WO2024/124469, PCT Pub. Date Jun. 20, 2024.
Prior Publication US 2025/0087149 A1, Mar. 13, 2025
Int. Cl. G09G 3/3233 (2016.01)
CPC G09G 3/3233 (2013.01) [G09G 2310/08 (2013.01); G09G 2320/041 (2013.01); G09G 2320/0666 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A display panel, comprising: a plurality of sub-pixel units and a voltage control module; wherein the plurality of sub-pixel units comprise a plurality of light emitting devices, respectively; and
wherein the voltage control module is connected to an anode of a corresponding light emitting device of the plurality of light emitting devices, and is configured to control an anode voltage of the corresponding light emitting device, so that a ratio of the number of electrons to the number of holes of each light emitting device is unchanged at different gray scales.