Display panel and display device having a protective pattern
The present disclosure relates to display panels and display devices. A display panel has a display area and a package area surrounding the display area. The display panel includes a substrate and a package cover plate bonded to the substrate in the package area via a package material melted by laser irradiation. The display area is provided with at least one mounting hole having a hole wall, and at least a portion of the hole wall of the mounting hole is coated with the package material. A protective pattern layer disposed between at least a portion of a boundary of the package area and the mounting hole is further included for blocking at least a portion of a laser beam during a movement of the laser beam from the package area to the mounting hole.
1. A display panel comprising:
a display area;
a package area surrounding the display area;
a substrate;
a package cover plate bonded to the substrate in the package area via a package material melted by laser irradiation, the display area being provided with at least one mounting hole having a hole wall; and a protective pattern layer disposed between at least a portion of a boundary of the package area and the mounting hole for blocking at least a portion of a laser beam during a movement of the laser beam from the package area to the mounting hole.
2. The display panel according to claim 1 , wherein the protective pattern layer comprises at least a reflective layer, and the reflective layer reflects at least a portion of the laser beam.
3. The display panel according to claim 2 , wherein a material of the reflective layer comprises one or more of molybdenum, aluminum, and silver.
4. The display panel according to claim 1 , wherein the protective pattern layer comprises at least an absorbing layer, and the absorbing layer absorbs at least a portion of the laser beam.
5. The display panel according to claim 4 , wherein a material of the absorbing layer comprises indium tin oxide.
6. The display panel according to claim 1 , wherein when the laser beam is incident from a side where the package cover plate is located, and the protective pattern layer being disposed on a surface of the package cover plate away from the substrate.
7. The display panel according to claim 1 , wherein when the laser beam is incident from a side where the substrate is located, and the protective pattern layer is disposed on a surface of the substrate away from the package cover plate.
8. The display panel according to claim 1 , wherein a boundary of an orthographic projection of the protective pattern layer on the substrate surrounds a region of an orthographic projection of a path of the movement of the laser beam on the substrate from the boundary of the package area to the mounting hole.
9. The display panel according to claim 1 , further comprising:
a package structure disposed on the substrate; and
a heat dissipation structure positioned close to the mounting hole and disposed inside the package structure.
10. The display panel according to claim 9 , wherein the heat dissipation structure is disposed around the mounting hole.
11. The display panel according to claim 9 , wherein the heat dissipation structure is in contact with a surface of the substrate close to the package structure.
12. The display panel according to claim 9 , wherein the heat dissipation structure comprises a thermal conductive layer disposed around the mounting hole.
13. The display panel according to claim 12 , wherein the heat dissipation structure further comprises:
a heat insulation layer disposed around an outer side wall of the thermal conductive layer.
14. The display panel according to claim 13 , wherein a height of the heat insulation layer with respect to a surface of the substrate close to the package structure is greater than or equal to a height of the thermal conductive layer with respect to a surface of the substrate close to the package structure.
15. The display panel according to claim 10 , wherein the package structure comprises:
at least two inorganic package layers arranged in a stack; and
at least one organic package layer disposed between the inorganic package layers.
16. The display panel according to claim 15 , wherein the heat dissipation structure is disposed between the organic package layer and the mounting hole.
17. The display panel according to claim 15 , wherein a material of the inorganic package layer comprises one or more of silicon oxide, silicon nitride, aluminum oxide, titanium oxide, and graphene.
18. The display panel according to claim 15 , wherein a material of the organic package layer comprises one or more of acrylic resin, polyterephthalic acid plastic, pressure sensitive adhesive, polyethylene naphthalate, and parylene.
19. A display panel, wherein the display panel is a display panel with the protective pattern layer removed after a package of the display panel of claim 1 is completed.
20. A display device, comprising the display panel of claim 1 .