Patent ID: 11882726
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. An OLED display panel, comprising:
a base plate;
an OLED device layer on a first side of the base plate and comprising a plurality of OLED light-emitting devices;
an encapsulation layer which covers the plurality of OLED light-emitting devices; and
a color filter layer which is arranged on the encapsulation layer and comprises: a black matrix defining a plurality of openings, and a plurality of color filters in the plurality of openings, respectively, spaced apart from one another by the black matrix and corresponding to the plurality of OLED light-emitting devices, respectively,
wherein the OLED device layer comprises a first electrode layer, a plurality of electroluminescent layers of the plurality of OLED light-emitting devices on the first electrode layer, and a second electrode layer covering the plurality of electroluminescent layers, and wherein the encapsulation layer is formed on the second electrode layer;
the OLED display panel further comprises a plurality of photosensitive fingerprint sensors arranged on a second side of the base plate opposite to the first side of the base plate; and
the black matrix is provided with a plurality of light-transmitting holes, the second electrode layer is provided with a plurality of second hollow-out regions, and respective orthographic projections of the plurality of light-transmitting holes, the plurality of second hollow-out regions and the plurality of photosensitive fingerprint sensors on the base plate at least partially overlap with one another;
wherein a material of the second electrode layer is magnesium, aluminum and an alloy of magnesium and aluminum; and
the OLED device layer further comprises a plurality of transparent organic material layers which are arranged in the plurality of second hollow-out regions of the second electrode layer, respectively.