Display panel and manufacturing method therefor, and display device
AssigneeBoe Technology Group Co., Ltd.
InventorsYongfeng Zhang, Guangcai Yuan, Xue Dong
Life of this patent
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Abstract
Provided are a display panel and a manufacturing method therefor, and a display device. The display panel, including: a base substrate; and a plurality of sub-pixels, located on the base substrate, including a pixel circuit and a light-emitting element, wherein the light-emitting element is connected to the pixel circuit, the pixel circuit is configured to drive the light-emitting element; the light-emitting element includes: a first electrode; and a second electrode, electrically connected to the first electrode, the first electrode is closer to the base substrate than the second electrode.
Claims20
A display panel, comprising:
- a base substrate;
- and
- a plurality of sub-pixels, located on the base substrate, comprising a pixel circuit and a light-emitting element, wherein the light-emitting element is connected to the pixel circuit, the pixel circuit is configured to drive the light-emitting element,
- wherein the light-emitting element comprises:
- a first electrode;
- and
- a second electrode, electrically connected to the first electrode, the first electrode is closer to the base substrate than the second electrode,
- wherein the display panel further comprises an inorganic layer, and the inorganic layer is configured to protect the light-emitting element,
- wherein the inorganic layer comprises a protective layer, and the protective layer is in direct contact with the second electrode, and
- wherein the inorganic layer further comprises a first encapsulation thin film, and the first encapsulation thin film is in direct contact with the first electrode.
A display panel, comprising:
- a base substrate;
- and
- a plurality of sub-pixels, located on the base substrate, comprising a pixel circuit and a light-emitting element, wherein the light-emitting element is connected to the pixel circuit, the pixel circuit is configured to drive the light-emitting element,
- wherein the light-emitting element comprises:
- a first electrode;
- and
- a second electrode, electrically connected to the first electrode, the first electrode is closer to the base substrate than the second electrode, wherein the second electrode comprises a plurality of conductive lines and an opening region surrounded by the plurality of conductive lines, the light-emitting element comprises a light-emitting region, and an orthographic projection of the light-emitting region on the base substrate overlaps with an orthographic projection of the opening region on the base substrate.
A method for manufacturing a display panel, comprising:
- forming a plurality of sub-pixels on a base substrate, wherein forming the plurality of sub-pixels comprises forming a pixel circuit and forming a light-emitting element, the light-emitting element is connected to the pixel circuit, and the pixel circuit is configured to drive the light-emitting element,
- wherein forming the light-emitting element comprises:
- forming a first electrode;
- and
- forming a second electrode, wherein the second electrode is electrically connected to the first electrode, and the first electrode is closer to the base substrate than the second electrode,
- wherein forming the second electrode comprises:
- forming an electrode thin film on the first electrode;
- forming a protective thin film on the electrode thin film;
- forming a photoresist pattern on the protective thin film;
- and
- using the photoresist pattern as a mask and using the first electrode as an etching stop layer, patterning the protective thin film and the electrode thin film by using a same patterning process to form a protective layer and form the second electrode.
Dependencies are inferred from the claim text.