Display panel and display device
A display panel and a display device. The display panel includes a display region and a non-display region including an encapsulation region, and an encapsulant is disposed in the encapsulation region between a dielectric layer and a cover plate opposite to each other. The dielectric layer in the encapsulation region includes N encapsulation sub-regions, in which a 1 st encapsulation sub-region is closest to the display region among the encapsulation sub-regions, and an N th encapsulation sub-region is farthest from the display region among the encapsulation sub-regions. A contact area between at least the first encapsulation sub-region and the encapsulant is smaller than the contact area between any other encapsulation sub-region and the encapsulant.
1 . A display panel, comprising:
a display region and a non-display region, wherein:
the non-display region comprises an encapsulation region, and an encapsulant is disposed in the encapsulation region; and
the display panel further comprises:
a substrate
an array layer disposed at a side of the substrate;
a dielectric layer disposed on a side of the array layer away from the substrate;
a cover plate disposed opposite to the dielectric layer, wherein the encapsulant is disposed between the dielectric layer and the cover plate;
the dielectric layer in the encapsulation region comprises N encapsulation sub-regions, which are from a 1st encapsulation sub-region to a N th encapsulation sub-region and arranged along a first direction according to ascending sequential numbers, N is a positive integer greater than or equal to 4, an extending direction of each of the encapsulation sub-regions is identical to an extending direction of the encapsulation region; and
the 1 st encapsulation sub-region is among one or more encapsulation sub-regions, each of which has a smallest contact area with the encapsulant among the N encapsulation sub-regions,
wherein the dielectric layer in each of the 1 st sub-region to an i th encapsulation sub-region is a flat film, the dielectric layer in each of an (i+1) th encapsulation sub-region to a j th encapsulation sub-region comprises first holes spaced apart along the extending direction, the dielectric region in each of a (j+1) th encapsulation sub-region to the N th encapsulation sub-region comprises second holes spaced apart along the extending direction, wherein i is a positive integer greater than 1 and smaller than j, and j is a positive integer smaller than N;
wherein no protrusion is disposed in the first holes, and one or more discrete protrusions are disposed in each of the second holes, and
wherein a width E 1 of the encapsulation region along the first direction, a total width E 2 of the 1 st encapsulation sub-region to the i th encapsulation sub-region along the first direction, and a total width E 3 of the (i+1) th encapsulation sub-region to the j th encapsulation sub-region along the first direction satisfy the following relationships: E 2 ≤⅓×E 1 , and E 3 ≤⅓×E 1 .
2 . The display panel according to claim 1 , wherein four discrete protrusions are disposed in each of the second holes at equal intervals in a two-dimensional array.
3 . The display panel according to claim 1 , wherein the second holes each contain one discrete protrusion, and for the discrete protrusion in each of the second holes in each of the (j+1) th encapsulation sub-region to the N th encapsulation sub-region:
a width K 1 of said second hole along the first direction, a spacing K 2 between said discrete protrusion in said second hole and an edge of said second hole along the first direction, and a width K 3 of said discrete protrusion in said second hole along the first direction satisfy the following relationships: 1/9×K 1 ≤K 3 ≤⅓×K 1 , and K 2 =½×(K 1 −K 3 ).
4 . The display panel according to claim 1 , wherein an area of an orthographic projection area of each of the first holes in each of the (i+1) th encapsulation sub-region to the j th encapsulation sub-region is smaller than an area of an orthographic projection area of each of the second holes in each of the (j+1) th encapsulation sub-region to the N th encapsulation sub-region; and/or
wherein a density of the first holes in each of the (i+1) th encapsulation sub-region to the j th encapsulation sub-region is less than a density of the second holes in each of the (j+1) th encapsulation sub-region to the N th encapsulation sub-region.
5 . A display device, comprising a display panel, comprising:
a display region and a non-display region, wherein:
the non-display region comprises an encapsulation region, and an encapsulant is disposed in the encapsulation region; and
the display panel further comprises:
a substrate
an array layer disposed at a side of the substrate;
a dielectric layer disposed on a side of the array layer away from the substrate;
a cover plate disposed opposite to the dielectric layer, wherein the encapsulant is disposed between the dielectric layer and the cover plate;
the dielectric layer in the encapsulation region comprises N encapsulation sub-regions, which are from a 1 st encapsulation sub-region to a N th encapsulation sub-region and arranged along a first direction according to ascending sequential numbers, N is a positive integer greater than or equal to 4, an extending direction of each of the encapsulation sub-regions is identical to an extending direction of the encapsulation region; and
the 1 st encapsulation sub-region is among one or more encapsulation sub-regions, each of which has a smallest contact area with the encapsulant among the N encapsulation sub-regions,
wherein the dielectric layer in each of the 1 st sub-region to an i th encapsulation sub-region is a flat film, the dielectric layer in each of an (i+1) th encapsulation sub-region to a j th encapsulation sub-region comprises first holes spaced apart along the extending direction, the dielectric region in each of a (j+1) th encapsulation sub-region to the N th encapsulation sub-region comprises second holes spaced apart along the extending direction, wherein i is a positive integer greater than 1 and smaller than j, and j is a positive integer smaller than N;
wherein no protrusion is disposed in the first holes, and one or more discrete protrusions are disposed in each of the second holes, and
wherein a width E 1 of the encapsulation region along the first direction, a total width E 2 of the 1 st encapsulation sub-region to the i th encapsulation sub-region along the first direction, and a total width E 3 of the (i+1) th encapsulation sub-region to the j th encapsulation sub-region along the first direction satisfy the following relationships: E 2 ≤⅓×E 1 , and E 3 ≤⅓×E 1 .
6 . A display panel, comprising:
a display region and a non-display region, wherein:
the non-display region comprises an encapsulation region, and an encapsulant is disposed in the encapsulation region; and
the display panel further comprises:
a substrate
an array layer disposed at a side of the substrate;
a dielectric layer disposed on a side of the array layer away from the substrate;
a cover plate disposed opposite to the dielectric layer, wherein the encapsulant is disposed between the dielectric layer and the cover plate;
the dielectric layer in the encapsulation region comprises N encapsulation sub-regions, which are from a 1 st encapsulation sub-region to a N th encapsulation sub-region and arranged along a first direction according to ascending sequential numbers, an extending direction of each of the encapsulation sub-regions is identical to an extending direction of the encapsulation region; and
the 1 st encapsulation sub-region is among one or more encapsulation sub-regions, each of which has a smallest contact area with the encapsulant among the N encapsulation sub-regions,
wherein the dielectric layer in each of the N encapsulation sub-regions comprises holes spaced apart along a second direction, and the second direction is identical to the extending direction of the encapsulation region,
wherein an arrangement of the N-encapsulation sub-regions is selected from a group consisting of (a 1 ), (a 2 ), (b 1 ), (b 2 ), (c 1 ) or (c 2 ):
(a 1 ) N is a positive integer greater than or equal to 4;
F discrete protrusions are disposed in each of the holes in each of the 1 st encapsulation sub-region to an i th encapsulation sub-region;
G discrete protrusions are disposed in each of the holes in each of an (i+1) th encapsulation sub-region to the N th encapsulation sub-region; and
i is a positive integer greater than 1 and smaller than N, F is a positive integer greater than 1 and G is a positive integer greater than F;
(a 2 ) N is a positive integer greater than or equal to 4;
F discrete protrusions are disposed in each of the holes in each of the 1 st encapsulation sub-region to an i th encapsulation sub-region;
G discrete protrusions are disposed in each of the holes in each of an (i+1) th encapsulation sub-region to the N th encapsulation sub-region; and
i is a positive integer greater than 1 and smaller than N, F is equal to zero or is a positive integer, and G is a positive integer greater than F+1;
(b 1 ) N is a positive integer greater than or equal to 4;
F discrete protrusions are disposed in each of the holes in each odd-numbered encapsulation sub-region among the N encapsulation sub-regions, the odd-numbered encapsulation sub-regions comprise the 1 st encapsulation sub-region;
G discrete protrusions are disposed in each of the holes in each even-numbered encapsulation sub-region among the N encapsulation sub-regions; and
F is a positive integer, and G is a positive integer greater than F;
(b 2 ) N is a positive integer greater than or equal to 4;
E discrete protrusions are disposed in each of the holes in each odd-numbered encapsulation sub-region among the N encapsulation sub-regions, the odd-numbered encapsulation sub-regions comprise the 1 st encapsulation sub-region;
G discrete protrusions are disposed in each of the holes in each even-numbered encapsulation sub-region among the N encapsulation sub-regions; and
F is equal to 0, and G is a positive integer greater than F;
(c 1 ) N is a positive integer greater than or equal to 5;
the N encapsulation sub-regions comprise first-type encapsulation sub-regions, wherein the first-type encapsulation sub-regions comprise the 1 st encapsulation region, and second-type encapsulation sub-regions;
F discrete protrusions are disposed in each of the holes in each of the first-type encapsulation sub-regions, and G discrete protrusions are disposed in each of the holes in each of the second-type encapsulation sub-regions, F is a positive integer, and G is a positive integer greater than F; and
along the first direction at least one of the second-type encapsulation sub-region(s) is/are disposed between every sequential one of the first-type encapsulation sub-regions;
(c 2 ) N is a positive integer greater than or equal to 5;
the N encapsulation sub-regions comprise first-type encapsulation sub-regions, wherein the first-type encapsulation sub-regions comprise the 1 st encapsulation region, and second-type encapsulation sub-regions;
F discrete protrusions are disposed in each of the holes in each of the first-type encapsulation sub-regions, and G discrete protrusions are disposed in each of the holes in each of the second-type encapsulation sub-regions, F is equal to 0, and G is a positive integer greater than F; and
along the first direction at least one of the second-type encapsulation sub-region(s) is/are disposed between every sequential one of the first-type encapsulation sub-regions.
7 . The display panel according to claim 5 , wherein the arrangement is (a 1 ) or (a 2 ), wherein an area of an orthographic projection area of each of the holes in each of the 1 st encapsulation sub-region to the i th encapsulation sub-region is smaller than an area of an orthographic projection area of each of the holes in each of the (i+1) th encapsulation sub-region to the N th encapsulation sub-region.
8 . The display panel according to claim 6 , wherein the arrangement is (a 1 ) or (a 2 ), wherein a density of the holes in each of the 1 st encapsulation sub-region to the i th encapsulation sub-region is less than a density of the holes in each of the (i+1) th encapsulation sub-region to the N th encapsulation sub-region.
9 . The display panel according to claim 5 , wherein the arrangement is (a 1 ) or (a 2 ),
a total width H 3 of the 1 st encapsulation sub-region to the i th encapsulation sub-region along the first direction and a total width H 4 of the 1st encapsulation sub-region to the N th encapsulation sub-region along the first direction satisfy the following relationship: H 3 ≤⅗×H 4 .
10 . The display panel according to claim 6 , wherein the arrangement is (a 2 ), F is equal to 1, and for a discrete protrusion in each of the holes in each of the 1 st encapsulation sub-region to the i th encapsulation sub-region:
a width K 1 of said hole along the first direction, a spacing K 2 between the discrete protrusion in said hole and an edge of said hole along the first direction, and a width K 3 of the discrete protrusion in said hole along the first direction satisfy the following relationships: 1/9×K 1 ≤K 3 ≤⅓×K 1 , and K 2 =½×(K 1 −K 3 ).
11 . The display panel according to claim 6 , wherein the arrangement is (a 1 ) or (a 2 ), G is equal to 4, wherein the four discrete protrusions in each of the holes of the (i+1) th encapsulation sub-region to the N th encapsulation sub-region are provided at equal intervals in a two-dimensional array.
12 . The display panel according to claim 11 , wherein the arrangement is (a 1 ), F is equal to 3, wherein the three discrete protrusions in each of the holes of the 1 st encapsulation sub-region to the i th encapsulation sub-region are provided at identical positions corresponding to the two-dimensional array minus one discrete protrusion.
13 . The display panel according to claim 6 , wherein the arrangement is (b 1 ), F is equal to 1, and for a discrete protrusion in each of the holes in each of the odd-numbered encapsulation sub-regions:
a width K 1 of said hole along the first direction, a spacing K 2 between the discrete protrusion in said hole and an edge of said hole along the first direction, and a width K 3 of the discrete protrusion in said hole along the first direction satisfy the following relationships: 1/9×K 1 ≤K 3 ≤⅓×K 1 , and K 2 =½×(K 1 −K 3 ).
14 . The display panel according to claim 6 , wherein the arrangement is (b 1 ) or (b 2 ), G is equal to 4, wherein the four discrete protrusions in each of the holes of the even-numbered encapsulation sub-regions are provided at equal intervals in a two-dimensional array.
15 . The display panel according to claim 14 , wherein the arrangement is (b 1 ), F is equal to 3, wherein the three discrete protrusions in each of the holes of the odd-numbered encapsulation sub-regions are provided at identical positions corresponding to the two-dimensional array minus one discrete protrusion.
16 . The display panel according to claim 6 , wherein the arrangement is (c 1 ), F is equal to 1, and for a discrete protrusion in each of the holes in each of the second-type encapsulation sub-regions:
a width K 1 of said hole along the first direction, a spacing K 2 between the discrete protrusion in said hole and an edge of said hole along the first direction, and a width K 3 of the discrete protrusion in said hole along the first direction satisfy the following relationships: 1/9×K 1 ≤K 3 ≤⅓×K 1 , and K 2 =½×(K 1 −K 3 ).
17 . The display panel according to claim 6 , wherein the arrangement is (c 1 ) or (c 2 ), G is equal to 4, wherein the four discrete protrusions in each of the holes of the second-type encapsulation sub-regions are provided at equal intervals in a two-dimensional array.
18 . The display panel according to claim 17 , wherein the arrangement is (c 1 ), F is equal to 3, wherein the three discrete protrusions in each of the holes of the first-type encapsulation sub-regions are provided at identical positions corresponding to the two-dimensional array minus one discrete protrusion.
19 . The display panel according to claim 6 , N is a positive integer greater than or equal to 6, wherein the arrangement is (c 1 ) or (c 2 ), wherein along the first direction two of the second-type encapsulation sub-regions are disposed between every sequential one of the first-type encapsulation sub-regions.
20 . A display device, comprising the display panel according to claim 6 .