Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Shenzhen Institute of Information Technology

Mingjun Liu

Yongquan Zhou

Haibing Xiao

Xinzhong Wang

Tan Wang

Yunsheng Zhang

The present application provides a double-beam laser polishing device and a double-beam laser polishing method for an aluminum alloy, which includes a frame; a rotary workbench and an optical path system, which are arranged on the frame. The optical path system includes: a first fiber laser, a second fiber laser, a first three-dimensional galvanometer, and a second three-dimensional galvanometer. The first three-dimensional galvanometer is connected with the first fiber laser through an optical fiber, and the second three-dimensional galvanometer is connected with the second fiber laser through an optical fiber. The first three-dimensional galvanometer and the second three-dimensional galvanometer are arranged side by side above the rotary workbench in a horizontal direction.

Double-beam laser polishing device and polishing method for aluminum alloy

A pixel driving circuit and a manufacturing method thereof according to the present application use a process to manufacture a metal layer that includes a first metal pattern, a first shading pattern, a second metal pattern, a second shading pattern, a third shading pattern, and a third metal pattern on a substrate, and form a first anode pattern and a second anode pattern on a passivation layer, to form a drain of a first transistor, a drain of a second transistor, and a drain of a third transistor.

Pixel driving circuit and manufacturing method thereof

Growing community of inventors

Guangdong, China

Mingjun Liu