Thomas | Horstemeyer LLP
Cover plate and fabricating method thereof, display panel and display device
The present disclosure provides a cover plate, a fabricating method thereof, a display panel, and a display device. The cover plate includes a first substrate; a thin film transistor, an optical sensor, and a first electrode on the optical sensor which are sequentially disposed on the first substrate; a passivation layer covering the thin film transistor and the first electrode; a black matrix disposed on the passivation layer; an electrode connection layer disposed on the black matrix, the electrode connection layer including an auxiliary cathode and a first electrode connection line disposed in the same layer, and the first electrode connection line being connected with the first electrode by a first electrode connection hole penetrating through the passivation layer; and a planar layer and a second electrode sequentially disposed, the second electrode being connected with the auxiliary cathode by a second electrode connection hole penetrating through the planar layer.
BOE TECHNOLOGY GROUP CO., LTD.
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Wei Wei
Li Liu