Display device and near-eye display apparatus
The present disclosure provides a display device and a near-eye display apparatus. The display device includes: a base substrate; a light-emitting layer located on the side of the base substrate and including a plurality of light-emitting portions; a package layer located on the side of the light-emitting layer away from the base substrate; and a lens layer located on the side of the package layer away from the light-emitting layer, and including a plurality of lens structures having one-to-one correspondence to the light-emitting portions and protruding towards the sides distant from the light-emitting portions. On a cross section perpendicular to the base substrate, the center of the orthographic projection of the at least one lens structure on the base substrate does not overlap the center of the orthographic projection of a corresponding light-emitting portion on the base substrate.
1 . A display device, comprising:
a base substrate;
a light-emitting layer arranged on one side of the base substrate and comprising a plurality of light-emitting portions;
a package layer arranged on a side, facing away from the base substrate, of the light-emitting layer; and
a lens layer arranged on a side, facing away from the light-emitting layer, of the package layer;
wherein the lens layer comprises a plurality of lens structures which have one-to-one correspondence with the light-emitting portions and protruding towards sides away from the light-emitting portions;
on a cross section perpendicular to the base substrate, a center of an orthographic projection of at least one of the plurality of lens structures on the base substrate does not overlap a center of an orthographic projection of a corresponding light-emitting portion on the base substrate; and
a ratio of an area of a surface of each of the light-emitting portions facing a corresponding lens structure to an area of a surface of each of the plurality of lens structures facing a corresponding light-emitting portion is less than 35.2%.
2 . The display device according to claim 1 , wherein
in the plurality of lens structures from a first symmetry axis to at least one side edge along a first direction, the plurality of lens structures are sequentially staggered relative to the light-emitting portions; and
the first symmetry axis passes through a center of the display device and is perpendicular to the first direction.
3 . The display device according to claim 2 , wherein in the plurality of lens structures from the first symmetry axis to the at least one side edge along the first direction, staggered lengths of the plurality of lens structures relative to the light-emitting portions are sequentially increased.
4 . The display device according to claim 3 , wherein a length A of the surface of each of the plurality of lens structures facing the corresponding light-emitting portion in the first direction, and a length B of the surface of each of the light-emitting portions facing the corresponding lens structure in the first direction, satisfy a following relationship:
A−B=L1/N, wherein L1 is a staggered length of the lens structure at an edge relative to the light-emitting portion at the edge in the first direction, and N is a quantity of the light-emitting portions staggered from a middle light-emitting portion to one side edge along the first direction.
5 . The display device according to claim 4 , wherein a color resist film layer is arranged between the package layer and the lens layer, and comprises a plurality of color resist portions;
an area of a surface of each of the plurality of color resist portions facing a corresponding light-emitting portion is greater than an area of a surface of each of the light-emitting portions facing a corresponding color resist portion; and
in the plurality of color resist portions from the first symmetry axis to at least one side edge along the first direction, the plurality of color resist portions are sequentially staggered relative to the light-emitting portions.
6 . The display device according to claim 5 , wherein in the plurality of color resist portions from the first symmetry axis to the at least one side edge along the first direction, staggered lengths of the plurality of color resist portions relative to the light-emitting portions are sequentially increased.
7 . The display device according to claim 6 , wherein a length C of a surface of each of the plurality of color resist portions facing the corresponding lens structure in the first direction, and the length B of the surface of each of the light-emitting portions facing the corresponding lens structure in the first direction, satisfy a following relationship:
C−B=L2/N, wherein L2 is a staggered length of the color resist portion at an edge relative to the light-emitting portion at the edge in the first direction.
8 . The display device according to claim 7 , wherein the length of the surface of each of the plurality of color resist portions facing the corresponding lens structure in the first direction is less than the length of the surface of each of the plurality of lens structures facing the corresponding light-emitting portion in the first direction.
9 . The display device according to claim 5 , wherein adjacent color resist portions have an overlapping region.
10 . The display device according to claim 5 , wherein a protective layer is arranged on a side, facing away from the package layer, of the lens layer; and
a ratio of a refraction index of the protective layer to a refraction index of the plurality of lens structures is greater than 1.1.
11 . The display device according to claim 10 , wherein a flat layer is arranged between the color resist film layer and the lens layer.
12 . The display device according to claim 1 , wherein in the plurality of lens structures from a first symmetry axis to two side edges along a first direction, the plurality of lens structures are sequentially staggered relative to the light-emitting portions.
13 . The display device according to claim 1 , wherein in the plurality of lens structures from a first symmetry axis to one side edge along a first direction, the plurality of lens structures are sequentially staggered relative to the light-emitting portions.
14 . A near-eye display apparatus, comprising the display device according to claim 1 .