Boe Technology Group Co., Ltd.

Chengdu Boe Optoelectronics Technology Co., Ltd.

Yafei Chen

Yu Wang

Erlong Song

Kunyan Shi

Gang Wang

Hailong Yan

Qiang Fu

Peng Xu

Rui Cheng

Dongjie Wu

Xingrui Cai

Yagui Gao

Jingli Zhang

The present disclosure provides a display apparatus, a display panel and a preparation method. The display panel includes a base substrate, a driving circuit provided on a side of the base substrate and a multi-layer metal layer: the base substrate includes a display region and a peripheral region located on a periphery of the display region; the driving circuit includes a peripheral circuit and a pixel circuit, the peripheral circuit is located at the peripheral region, the pixel circuit is located at the display region, and the peripheral circuit is connected with the pixel circuit and configured to provide a driving signal to the pixel circuit; the peripheral circuit includes a plurality of signal lines distributed in at least two metal layers.

Display apparatus having signal lines on a multi-layer metal layer

The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate and a signal line film layer arranged on the base substrate; the signal line film layer includes: a first conductive layer, a second conductive layer and a conductive connection layer, the conductive connection layer is arranged at a different layer from each of the first conductive layer and the second conductive layer, and an orthographic projection of the conductive connection layer on the base substrate at least partially overlaps an orthographic projection of the first conductive layer on the base substrate, and the orthographic projection of the conductive connection layer on the base substrate at least partially overlaps an orthographic projection of the second conductive layer on the base substrate, the conductive connection layer is respectively coupled to the first conductive layer and the second conductive connection layer.

Display substrate and display device

The present disclosure provides a pixel driving circuit and a display panel. The pixel drive circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit and a storage sub-circuit, the data writing sub-circuit includes a fourth transistor, which includes a first electrode connected with a data line, a second electrode connected with a first terminal of the driving sub-circuit, and a control electrode connected with a first scan signal line, and the fourth transistor is an oxide thin film transistor; the threshold compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit in response to a second scan signal; the storage sub-circuit is configured to store a data voltage signal; the driving sub-circuit is configured to provide a driving current for a light emitting device to be driven according to voltages of the first terminal and a control terminal thereof.

Pixel driving circuit and display panel

Growing community of inventors

Beijing, China

Yafei Chen