Photodiode, manufacturing method thereof, and display screen
AssigneeWuhan China Star Optoelectronics Technology Co., Ltd.
InventorsLi Hu, Tengteng Shi, Guowei Zha, Wei Luo
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Abstract
The present disclosure provides a photodiode, a manufacturing method thereof, and a display screen. The photodiode includes: a first electrode including a first sub-part and a second sub-part disposed at an interval, wherein the second sub-part includes a first end and a second end; a connecting part disposed on the first sub-part, the first end, and a substrate corresponding to a gap between the first sub-part and the second sub-part; and a light converting part and a second electrode disposed on the second end in sequence.
Claims20
A photodiode, comprising:
- a substrate;
- a first electrode disposed on the substrate and comprising a first sub-part and a second sub-part disposed at an interval, wherein the second sub-part comprises a first end and a second end;
- a connecting part disposed on the first sub-part, the first end, and the substrate corresponding to a gap between the first sub-part and the second sub-part, wherein the connecting part connects the first sub-part with the first end to form a series resistance part;
- an electron transport layer disposed on the second end;
- a light converting part disposed on the electron transport layer;
- a hole transport layer disposed on the light converting part;
- and
- a second electrode disposed on the hole transport layer.
A display screen including a photodiode, comprising:
- a substrate;
- a first electrode disposed on the substrate and comprising a first sub-part and a second sub-part disposed at an interval, wherein the second sub-part comprises a first end and a second end;
- a connecting part disposed on the first sub-part, the first end, and the substrate corresponding to a gap between the first sub-part and the second sub-part, wherein the connecting part connects the first sub-part with the first end to form a series resistance part;
- an electron transport layer disposed on the second end;
- a light converting part disposed on the electron transport layer;
- a hole transport layer disposed on the light converting part;
- and
- a second electrode disposed on the hole transport layer.
A manufacturing method of a photodiode, comprising:
- manufacturing a first electrode on a substrate and patterning the first electrode to form a first sub-part and a second sub-part disposed at an interval, wherein the second sub-part comprises a first end and a second end;
- manufacturing an electron transport layer on the second end;
- manufacturing an active layer on the electron transport layer, the first sub-part, the second sub-part, and the substrate corresponding to a gap between the first sub-part and the second sub-part;
- patterning the active layer to form a light converting part on the electron transport layer and to form a connecting part on the first sub-part, the first end, and the substrate corresponding to the gap between the first sub-part and the second sub-part, wherein the connecting part connects the first sub-part with the first end to form a series resistance part;
- manufacturing a hole transport layer on the light converting part;
- and
- manufacturing a second electrode on the hole transport layer.
Dependencies are inferred from the claim text.