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US 11,380,866 B2Granted
Display substrate with water-blocking structure, fabrication method thereof, display panel and display apparatus
AssigneeBoe Technology Group Co., Ltd.
InventorsZhongyuan Sun, Wei Wang, Lu Wang
Life of this patent
Estimating the term…
Abstract
The display substrate may include a base substrate (1), a display structure (20) on a display area (B) of the base substrate (1), at least one blocking structure on a peripheral area around the display area (B) of the base substrate (1), and a first water-blocking layer (10) on the substrate (1). The first water-blocking layer (10) may cover the display structure (20) and the at least one blocking structure. The blocking structure may be configured to block cracks generated on the first water-blocking layer (10) at a side of the blocking structure opposite from the display area (B) from propagating to the display area (B).
Claims17
A display substrate, comprising
- a base substrate,
- a display structure in a display area of the base substrate,
- at least one blocking structure in a peripheral area surrounding the display area of the base substrate,
- a first water-blocking layer on the substrate, the first water-blocking layer covering the display structure and the at least one blocking structure;
- wherein the at least one blocking structure is configured to block cracks generated on the first water-blocking layer at a side of the blocking structure opposite from the display area from propagating to the display area;
- an area of an end surface of the blocking structure farthest away from the base substrate is greater than an area of the interface between the blocking structure and the base substrate;
- the blocking structure comprises at least one protrusion on the base substrate and, along a protrusion direction of the protrusion, a cross-sectional area of the protrusion in a plane parallel to the base substrate gradually increases;
- and
- at least one groove is provided on the peripheral area surrounding the display area of the base substrate;
- at least one sub-protrusion is provided on a surface of the protrusion facing the at least one groove;
- and the at least one sub-protrusion is inside the at least one groove respectively.
8 more elements
A display substrate, comprising
- a base substrate,
- a display structure in a display area of the base substrate,
- at least one blocking structure in a peripheral area surrounding the display area of the base substrate,
- a first water-blocking layer on the substrate, the first water-blocking layer covering the display structure and the at least one blocking structure;
- wherein the at least one blocking structure is configured to block cracks generated on the first water-blocking layer at a side of the blocking structure opposite from the display area from propagating to the display area;
- and
- a groove is provided on the peripheral area surrounding the display area of the base substrate;
- the protrusion is disposed in the groove, a portion of the protrusion protruding from an opening of the groove;
- and an area of an end surface of the protrusion farthest away from the surface of the substrate is greater than or equal to an area of the opening of the groove.
6 more elements
A method of fabricating a display substrate, comprising
- providing a base substrate;
- forming a display structure in a display area of the base substrate;
- forming a blocking structure in a peripheral area of the base substrate around the display area;
- forming a first water-blocking layer, the first water-blocking layer covering the display structure and the blocking structure;
- wherein the blocking structure is configured to block cracks generated on the first water-blocking layer at a side of the blocking structure opposite from the display area from propagating to the display area by thinning or disconnecting the water-blocking layer;
- an area of an end surface of the blocking structure farthest away from the base substrate is greater than an area of the interface between the blocking structure and the base substrate;
- the blocking structure comprises at least one protrusion on the base substrate and, along a protrusion direction of the protrusion, a cross-sectional area of the protrusion in a plane parallel to the base substrate gradually increases;
- and
- at least one groove is provided on the peripheral area surrounding the display area of the base substrate;
- at least one sub-protrusion is provided on a surface of the protrusion facing the at least one groove;
- and the at least one sub-protrusion is inside the at least one groove respectively.
8 more elements
Dependencies are inferred from the claim text.