Chengdu Boe Optoelectronics Technology Co., Ltd.

Boe Technology Group Co., Ltd.

Beijing Boe Technology Development Co., Ltd.

Yubin Song

Xiaodong Yang

Fei Xie

Bowen Yang

Chengguo An

Junjiao Chen

Pengsha Ma

Beicih Huang

Yudong Shang

The present disclosure provides a display panel and a display device. The display panel includes an array substrate, a first electrode layer, a pixel definition layer, and a luminescent material layer laminated one on another. The pixel definition layer includes a first portion and a second portion, the first portion corresponds to and is arranged in an active area of the display panel, the second portion surrounds the first portion. A depression structure is arranged in the second portion, and an aperture of the depression structure is oriented to a side of the pixel definition layer away from the array substrate.

Display panel with pixel definition layer having depression structure and display device including the display panel

The resent disclosure provides an OLED substrate, a photo mask, and a method of manufacturing the OLED substrate. In one embodiment, an OLED substrate includes: a base substrate; an anode layer on the base substrate; a pixel defining layer on the anode layer, the pixel defining layer having a pattern opening area, the pattern opening area including a plurality of pixel openings arranged in an array manner; and a light-emitting layer formed on the pixel defining layer by evaporation; wherein the pattern opening area has an inward contraction structure with respect to a regular pixel opening area structure in which a plurality of pixel openings are arranged in a manner of an regular array where rows in the regular array are equally spaced from each other and are parallel to each other and columns in the regular array are equally spaced from each other and are parallel to each other.

OLED substrate, photo mask, and method of manufacturing OLED substrate

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Beijing, China

Yubin Song