Kunshan New Flat Panel Display Technology Center Co., Ltd.

Hefei Visionox Technology Co., Ltd.

Kunjing Zhong

Rubo Xing

Xiaokang Zhou

Qingrong Ren

Xingxing Chen

Hajime Yamaguchi

The present application provides a display panel, a display device, and a preparation method for the display panel. The display panel includes: a substrate; a light-emitting unit including a first hole blocking layer; and a photoelectric sensing unit being configured to receive an optical signal and generate a corresponding electrical signal from the optical signal, the photoelectric sensing unit including a photoelectric conversion layer, a buffer layer being arranged on a side of the photoelectric conversion layer away from the substrate and a second hole blocking layer being arranged on a side of the buffer layer away from the photoelectric conversion layer; wherein the first hole blocking layer and the second hole blocking layer are made of the same material, the buffer layer has a first electrical conductivity, and the second hole blocking layer has a second electrical conductivity, the first electrical conductivity being greater than the second electrical conductivity.

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Kunshan, China

Kunjing Zhong