Beijing Yiling Bioengineering Co., Ltd.

Boe Technology Group Co., Ltd.

Chongqing Boe Display Technology Co., Ltd.

Lingling Wang

Yu Liu

Xin Huang

Guoqiang Wu

Fang Li

Hongtao Wang

Ke Feng

Ligang Wang

Wenjuan Huang

Shubin Li

Huimin He

Huigang Lu

Shangjin Yang

Jianhui Yan

Xingna Guo

Ruiya Zuo

Yang Yu

Qiang Li

Teng Chen

Chuntong Jiang

Wenqiang Wang

Yuqun Lu

The present disclosure provides a display panel and preparing method thereof, and a display apparatus. In one or more embodiments, the display panel includes a substrate that includes an off-screen camera region including a plurality of opening regions, a flexible layer located at a side of the substrate, a backplate layer located at a side of the flexible layer away from the substrate and including a plurality of light-transmitting film layers, and a light-emitting device layer located at a side of the backplate layer away from the substrate and including a plurality of cathodes. An orthographic projection of the flexibly layer on the substrate is not overlapped with the opening regions. An orthographic project of at least one light-transmitting film layer on the substrate covers the opening regions. Orthographic projections of the cathodes on the substrate are not overlapped with the opening regions.

Display panels, and preparation methods thereof and display apparatuses

The present invention discloses a nitropyridinyl ethyleneimine compound as shown in the formula I and a preparation method of the same, as well as use of the compound in manufacture of a prodrug and in manufacture of a drug for treating a tumor. 

Nitropyridinyl ethyleneimine compound, the pharmaceutical composition containing it, the preparation method and use thereof

Growing community of inventors

Beijing, China

Lingling Wang