Display panel and formation method thereof, and display apparatus
View Patent ↗A display panel and a formation method thereof, and a display apparatus are provided in the present disclosure. The method includes providing a base substrate; forming an array layer on a side of the base substrate; forming a light-emitting structure layer on a side of the array layer away from the base substrate, where the light-emitting structure layer includes a plurality of light-emitting units; and forming a light-blocking layer on a side of the light-emitting structure layer away from the base substrate, where the light-blocking layer includes a black matrix and openings. Before forming the openings, the method further includes forming a first inorganic layer between the light-emitting structure layer and the light-blocking layer, where the first inorganic layer at least includes first sub-portions; and a vertical projection of a first sub-portion on the base substrate overlaps a vertical projection of a corresponding opening on the base substrate.
1. A display panel, comprising:
a base substrate;
an array layer, on a side of the base substrate;
a light-emitting structure layer, on a side of the array layer away from the base substrate, wherein the light-emitting structure layer includes a plurality of light-emitting units;
a first inorganic layer, on a side of the light-emitting structure layer away from the base substrate;
a light-blocking layer, on a side of the first inorganic layer away from the base substrate,
wherein:
the light-blocking layer includes a black matrix and a plurality of openings;
the black matrix is a grid-like structure surrounding the plurality of openings;
the plurality of openings has a correspondence with the plurality of light-emitting units;
a vertical projection of the plurality of openings on the base substrate overlaps a vertical projection of the plurality of light-emitting units corresponding to the plurality of openings on the base substrate;
the first inorganic layer at least includes first sub-portions;
a vertical projection of a first sub-portion on the base substrate overlaps a vertical projection of a corresponding opening on the base substrate; and
color filter parts, at least partially filling the openings, wherein the first sub-portions directly contact with the color filter parts.
2. The display panel according to claim 1 , further comprising:
a touch layer, wherein:
the touch layer is on the side of the light-emitting structure layer away from the base substrate; and
the first inorganic layer is on a side of the touch layer away from the base substrate.
3. The display panel according to claim 2 , wherein:
the first inorganic layer further includes second sub-portions; and
a vertical projection of a second sub-portion on the base substrate overlaps a vertical projection of the black matrix on the base substrate.
4. The display panel according to claim 3 , wherein:
the touch layer includes a first touch electrode layer, a first passivation layer, and a second touch electrode layer that are sequentially formed on the side of the light-emitting structure layer away from the base substrate; and the first inorganic layer is formed on a side of the second touch electrode layer away from the base substrate; or
the touch layer includes a first touch electrode layer, a first passivation layer, a second touch electrode layer, and a planarization layer that are sequentially formed on the side of the light-emitting structure layer away from the base substrate; and the first inorganic layer is formed on a side of the planarization layer away from the base substrate.
5. The display panel according to claim 1 , wherein:
the plurality of light-emitting units includes a red light-emitting unit, a green light-emitting unit, and a blue light-emitting unit; and at least a first sub-portion corresponding to the blue light-emitting unit is filled with scattering particles; or
the first sub-portions are all filled with scattering particles; and a density of the scattering particles in the first sub-portion corresponding to the blue light-emitting unit is greater than a density of scattering particles in a first sub-portion corresponding to the green light-emitting unit and greater than a density of scattering particles in a first sub-portion corresponding to the red light-emitting unit.
6. The display panel according to claim 5 , wherein:
along a direction from the base substrate to a light-exiting surface of the display panel, the density of the scattering particles in the first sub-portion corresponding to the blue light-emitting unit gradually increases.
7. A display apparatus, comprising:
a display panel, comprising:
a base substrate;
an array layer, on a side of the base substrate;
a light-emitting structure layer, on a side of the array layer away from the base substrate, wherein the light-emitting structure layer includes a plurality of light-emitting units;
a first inorganic layer, on a side of the light-emitting structure layer away from the base substrate;
a light-blocking layer, on a side of the first inorganic layer away from the base substrate,
wherein:
the light-blocking layer includes a black matrix and a plurality of openings;
the black matrix is a grid-like structure surrounding the plurality of openings;
the plurality of openings has a correspondence with the plurality of light-emitting units;
a vertical projection of the plurality of openings on the base substrate overlaps a vertical projection of the plurality of light-emitting units corresponding to the plurality of openings on the base substrate;
the first inorganic layer at least includes first sub-portions;
a vertical projection of a first sub-portion on the base substrate overlaps a vertical projection of a corresponding opening on the base substrate; and
color filter parts, at least partially filling the openings, wherein the first sub-portions directly contact with the color filter parts.
8. A display panel, comprising:
a base substrate;
an array layer, on a side of the base substrate;
a light-emitting structure layer, on a side of the array layer away from the base substrate, wherein the light-emitting structure layer includes a plurality of light-emitting units;
a first inorganic layer, on a side of the light-emitting structure layer away from the base substrate; and
a light-blocking layer, on a side of the first inorganic layer away from the base substrate, wherein the light-blocking layer includes a black matrix and a plurality of openings; the black matrix is a grid-like structure surrounding the plurality of openings; the plurality of openings has a correspondence with the plurality of light-emitting units; and a vertical projection of the plurality of openings on the base substrate overlaps a vertical projection of the plurality of light-emitting units corresponding to the plurality of openings on the base substrate, wherein:
the first inorganic layer at least includes second sub-portions; and
a vertical projection of a second sub-portion on the base substrate overlaps a vertical projection of the black matrix on the base substrate; wherein the second sub-portion directly contacts with the black matrix.
9. The display panel according to claim 8 , further comprising:
a touch layer, the touch layer is on the side of the light-emitting structure layer away from the base substrate;
wherein the first inorganic layer is located between the touch layer and the black matrix.
10. The display panel according to claim 9 , wherein:
the touch layer includes a first touch electrode layer, a first passivation layer, and a second touch electrode layer that are sequentially formed on the side of the light-emitting structure layer away from the base substrate; and the first inorganic layer is formed on a side of the second touch electrode layer away from the base substrate; or
the touch layer includes a first touch electrode layer, a first passivation layer, a second touch electrode layer, and a planarization layer that are sequentially formed on the side of the light-emitting structure layer away from the base substrate; and the first inorganic layer is formed on a side of the planarization layer away from the base substrate.
11. The display panel according to claim 8 , wherein:
the first inorganic layer includes first sub-portions; and a vertical projection of a first sub-portion on the base substrate overlaps a vertical projection of a corresponding opening on the base substrate; and
the display panel further comprises color filter parts, at least partially filling the openings, wherein the first sub-portions directly contact with the color filter parts.
12. The display panel according to claim 9 , wherein:
the touch layer includes a first touch electrode layer, a first passivation layer, and a second touch electrode layer that are sequentially formed on the side of the light-emitting structure layer away from the base substrate; and the first inorganic layer is formed on a side of the second touch electrode layer away from the base substrate; or
the touch layer includes a first touch electrode layer, a first passivation layer, a second touch electrode layer, and a planarization layer that are sequentially formed on the side of the light-emitting structure layer away from the base substrate; and the first inorganic layer is formed on a side of the planarization layer away from the base substrate.
13. The display panel according to claim 8 , wherein:
the plurality of light-emitting units includes a red light-emitting unit, a green light-emitting unit, and a blue light-emitting unit; and at least a first sub-portion corresponding to the blue light-emitting unit is filled with scattering particles; or
the first sub-portions are all filled with scattering particles; and a density of the scattering particles in the first sub-portion corresponding to the blue light-emitting unit is greater than a density of scattering particles in a first sub-portion corresponding to the green light-emitting unit and greater than a density of scattering particles in a first sub-portion corresponding to the red light-emitting unit; and
along a direction from the base substrate to a light-exiting surface of the display panel, the density of the scattering particles in the first sub-portion corresponding to the blue light-emitting unit gradually increases.
14. A display device comprising the display panel of claim 8 .