Boe Technology Group Co., Ltd.

Chongqing Boe Optoelectronics Technology Co., Ltd.

Jinxiang Li

Xin Wang

Yang Wang

Can Zhang

Jing Wang

Yao Liang Chen

Peng Cai

Jun Yang

Jun Tao

Xiang Fang

Junwei Zhang

Chao Gao

Jin Sha

Bo Ran

Jun Wei

Shifei Huang

Chunjie Wang

Can Shen

Xiaochen Cui

Pan Chen

Xingming Wang

Yiming Cheng

Shengjie Yin

Zhou Zhang

Guanzheng Li

Wendi Zhang

Qiuju Xie

Hongchao Su

Chengyong He

A power supply circuit, a driving method thereof, a printed circuit board, a display module and a display apparatus are disclosed, which relates to a technical field of displaying. The power supply circuit includes a first power management chip and a second power management chip configured to be respectively connected with a display panel and provide different driving signals to the display panel, and the driving signals are configured for driving the display panel to display.

Power supply circuit, driving method thereof, printed circuit board, display module, and display apparatus

A photomask and an exposure method are provided. The photomask includes a photomask body including a first surface and a second surface opposite to each other; and a first light-transmissive region penetrating through the first surface and the second surface, wherein a light adjustment component is in the first light-transmissive region and configured to converge a first light beam incident onto the first surface to a second light beam emergent from the second surface, and a cross-sectional area of the first light beam sectioned by the first surface is larger than that of the second light beam sectioned by the second surface.

Photomask and exposure method

Growing community of inventors

Beijing, China

Jinxiang Li