Chengdu Boe Optoelectronics Technology Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Kaihao Chen

Feng Bai

Chiehhsing Chung

Yongyi Fu

Yong Zhou

Guowei Su

Nan Du

Sa Liu

Kechao Song

Zhengping Xu

Suoping Peng

Saijun Sun

Hexiong Li

Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a display region and at least one hole region located in the display region, the hole region includes a function hole and a partition region surrounding the function hole, the partition region is provided with at least one partition dam surrounding the function hole; the partition dam includes a first partition layer disposed on a base substrate and a second partition layer disposed on a side of the first partition layer away from the base substrate, at least one partition layer includes a second sub-layer and a third sub-layer disposed on a side of the second sub-layer away from the base substrate, the third sub-layer has a protrusion with respect to a sidewall of the second sub-layer, and the protrusion and the sidewall of the second sub-layer form an inwardly recessed structure.

Display substrate and preparation method thereof, and display apparatus each including partition region provides with at least one partition dam surrounding function hole

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Beijing, China

Kaihao Chen