Display panel and display apparatus
A display panel and a display apparatus are provided in the present disclosure. The display panel includes a substrate; a drive circuit layer, at least including a first metal layer and a second metal layer; a light-emitting functional layer; and a first electrode layer. A plurality of first isolation structures is on a side of the substrate and in a non-display region; and at least one first isolation structure isolates at least one of the light-emitting functional layer, the first electrode layer, and other corresponding film layers extending to the non-display region. At least one first isolation structure includes a first portion and a second portion configured to be stacked with each other; the first portion is at the first metal layer; the second portion is at the second metal layer; and the first metal layer and the second metal layer are separated by an insulating layer.
1 . A display panel, including a display region and a non-display region adjacent to the display region, comprising:
a substrate;
a drive circuit layer, at least including a first metal layer and a second metal layer, wherein the second metal layer is on a side of the first metal layer away from the substrate;
a light-emitting functional layer, on a side of the drive circuit layer away from the substrate, wherein the light-emitting functional layer includes a plurality of light-emitting portions; and
a first electrode layer, on a side of the light-emitting functional layer away from the substrate, wherein:
a plurality of first isolation structures is on a side of the substrate and in the non-display region; and at least one first isolation structure isolates at least one of the light-emitting functional layer, the first electrode layer, and other corresponding film layers extending to the non-display region;
along a direction perpendicular to a plane of the display panel, the at least one first isolation structure includes a first portion and a second portion which are configured to be stacked with each other; the first portion is at the first metal layer; the second portion is at the second metal layer; and the first metal layer and the second metal layer are separated by an insulating layer; and
an orthographic projection of the first portion on the plane of the display panel covers an orthographic projection of the second portion on the plane of the display panel such that the first portion, the second portion, and the insulating layer together form the first isolation structure with a tapered structure.
2 . The display panel according to claim 1 , wherein:
the insulating layer includes a plurality of hollow portions; an orthographic projection of a hollow portion on the plane of the display panel is within a range of the orthographic projection of the first portion on the plane of the display panel; and at least a part of the second portion is filled in the hollow portion to be in direct contact with the first portion.
3 . The display panel according to claim 1 , wherein:
along the direction perpendicular to the plane of the display panel, the second portion includes a first sub-portion, a second sub-portion, and a third sub-portion which are configured to be stacked with each other; and the second sub-portion is between the first sub-portion and the third sub-portion;
an orthographic projection of the first sub-portion on the plane of the display panel covers an orthographic projection of the second sub-portion on the plane of the display panel; and an orthographic projection of the third sub-portion on the plane of the display panel covers the orthographic projection of the second sub-portion on the plane of the display panel; and
an area of the orthographic projection of the second sub-portion on the plane of the display panel is less than an area of the orthographic projection of the first sub-portion on the plane of the display panel and also less than an area of the orthographic projection of the third sub-portion on the plane of the display panel.
4 . The display panel according to claim 3 , wherein:
the drive circuit layer includes a plurality of metal layers; along the direction perpendicular to the plane of the display panel, a distance from the second metal layer to the light-emitting functional layer is less than a distance from another metal layer of the drive circuit layer to the light-emitting functional layer.
5 . The display panel according to claim 3 , wherein:
a material of the second sub-portion is different from a material of the first sub-portion; and the material of the first sub-portion is same as a material of the third sub-portion.
6 . The display panel according to claim 5 , wherein:
the second sub-portion is made of an aluminum metal material; and the first sub-portion and the third sub-portion are made of a titanium metal material.
7 . The display panel according to claim 3 , wherein:
the plurality of first isolation structures includes a first sub-isolation structure and a second sub-isolation structure; and along a direction from the display region to the non-display region, the first sub-isolation structure is on a side of the second sub-isolation structure adjacent to the display region; and
an area of an orthographic projection of a second sub-portion of the first sub-isolation structure on the plane of the display panel is less than an area of an orthographic projection of a second sub-portion of the second sub-isolation structure on the plane of the display panel.
8 . The display panel according to claim 1 , wherein:
the drive circuit layer at least further includes a third metal layer, wherein the third metal layer is on a side of the second metal layer away from the substrate; and the drive circuit layer includes a plurality of drive transistors and a plurality of capacitors, wherein a gate electrode of a drive transistor of the plurality of drive transistors is at the first metal layer, an electrode of a capacitor of the plurality of capacitors is at the second metal layer, and a source electrode and a drain electrode of the drive transistor are at the third metal layer;
along the direction perpendicular to the plane of the display panel, the first isolation structure further includes a third portion on a side of the second portion away from the first portion;
the third portion is at the third metal layer;
an orthographic projection of the third portion on the plane of the display panel covers the orthographic projection of the second portion on the plane of the display panel; and
an area of the orthographic projection of the second portion on the plane of the display panel is less than an area of the orthographic projection of the first portion on the plane of the display panel and less than an area of the orthographic projection of the third portion on the plane of the display panel.
9 . The display panel according to claim 8 , wherein:
along the direction perpendicular to the plane of the display panel, the third portion includes a fourth sub-portion, a fifth sub-portion, and a sixth sub-portion which are configured to be stacked with each other; and the fifth sub-portion is between the fourth sub-portion and the sixth sub-portion;
an orthographic projection of the fourth sub-portion on the plane of the display panel covers an orthographic projection of the fifth sub-portion on the plane of the display panel; and an orthographic projection of the sixth sub-portion on the plane of the display panel covers the orthographic projection of the fifth sub-portion on the plane of the display panel; and
an area of the orthographic projection of the fifth sub-portion on the plane of the display panel is less than an area of the orthographic projection of the fourth sub-portion on the plane of the display panel and less than an area of the orthographic projection of the sixth sub-portion on the plane of the display panel.
10 . The display panel according to claim 3 , wherein:
the drive circuit layer at least further includes a fourth metal layer, wherein the fourth metal layer is on a side of the second metal layer away from the substrate; the drive circuit layer includes a plurality of drive transistors, a plurality of capacitors, and a plurality of data lines; a source electrode and a drain electrode of the drive transistor are at the first metal layer; and the plurality of data lines is at the second metal layer;
along the direction perpendicular to the plane of the display panel, the first isolation structure further includes a fourth portion on a side of the second portion away from the first portion;
the fourth portion is at the fourth metal layer; and an orthographic projection of the fourth portion on the plane of the display panel covers the orthographic projection of the second portion on the plane of the display panel; and
an area of the orthographic projection of the second portion on the plane of the display panel is less than an area of the orthographic projection of the first portion on the plane of the display panel and less than an area of the orthographic projection of the fourth portion on the plane of the display panel.
11 . The display panel according to claim 10 , wherein:
along the direction perpendicular to the plane of the display panel, the fourth portion includes a seventh sub-portion, an eighth sub-portion, and a ninth sub-portion which are configured to be stacked with each other; and the eighth sub-portion is between the seventh sub-portion and the ninth sub-portion;
an orthographic projection of the seventh sub-portion on the plane of the display panel covers an orthographic projection of the eighth sub-portion on the plane of the display panel; and an orthographic projection of the ninth sub-portion on the plane of the display panel covers the orthographic projection of the eighth sub-portion on the plane of the display panel;
an area of the orthographic projection of the eighth sub-portion on the plane of the display panel is less than an area of the orthographic projection of the seventh sub-portion on the plane of the display panel, and less than an area of the orthographic projection of the ninth sub-portion on the plane of the display panel; and/or
the area of the orthographic projection of the eighth sub-portion on the plane of the display panel is greater than the area of the orthographic projection of the second sub-portion on the plane of the display panel.
12 . The display panel according to claim 10 , wherein:
the first portion is in direct contact with the second portion; and the fourth portion is in direct contact with the second portion.
13 . The display panel according to claim 1 , further including:
a functional device region, wherein the display region is at least partially arranged to be around the functional device region; and the plurality of first isolation structures is in the functional device region.
14 . The display panel according to claim 1 , wherein:
along a direction from the display region to the non-display region, the non-display region includes a first region adjacent to the display region; and the plurality of first isolation structures is in the first region; and/or
the plurality of first isolation structures at least includes a first sub-isolation structure and a second sub-isolation structure which are arranged along a direction from the display region to the non-display region; and along the direction perpendicular to the plane of the display panel, heights of the first sub-isolation structure and the second sub-isolation structure are different.
15 . The display panel according to claim 14 , wherein:
along the direction from the display region to the non-display region, the first sub-isolation structure is on a side of the second sub-isolation structure adjacent to the display region; and along the direction perpendicular to the plane of the display panel, a height of the first sub-isolation structure is greater than a height of the second sub-isolation structure; and/or
an area of an orthographic projection of the first sub-isolation structure on the plane of the display panel is greater than an area of an orthographic projection of the second sub-isolation structure on the plane of the display panel.
16 . A display panel, including a display region and a non-display region adjacent to the display region, comprising:
a substrate;
a drive circuit layer, at least including a first metal layer and a second metal layer, wherein the second metal layer is on a side of the first metal layer away from the substrate;
a light-emitting functional layer, on a side of the drive circuit layer away from the substrate, wherein the light-emitting functional layer includes a plurality of light-emitting portions; and
a first electrode layer, on a side of the light-emitting functional layer away from the substrate, wherein:
a plurality of first isolation structures is on a side of the substrate and in the non-display region; and at least one first isolation structure isolates at least one of the light-emitting functional layer, the first electrode layer, and other corresponding film layers extending to the non-display region;
along a direction perpendicular to a plane of the display panel, the at least one first isolation structure includes a first portion and a second portion which are configured to be stacked with each other; the first portion is at the first metal layer; the second portion is at the second metal layer; and the first metal layer and the second metal layer are separated by an insulating layer;
the display region includes a plurality of first data lines extending along a first direction;
the non-display region includes a binding region on a side of the display region;
the binding region includes a plurality of conductive soldering pads; and the plurality of conductive soldering pads is electrically connected to a plurality of fan-out wirings which is in the non-display region; and
a first data line of the plurality of first data lines is connected to a fan-out wiring of the plurality of fan-out wirings through at least one first connection line; and the at least one first connection line is in the display region and at the second metal layer.
17 . The display panel according to claim 16 , wherein:
an anode layer is between the second metal layer and the light-emitting functional layer; the anode layer includes a plurality of anodes; and at least one anode corresponds to one light-emitting portion;
the second metal layer includes a plurality of second isolation structures in the display region; and
a second isolation structure is between two adjacent anodes; a plurality of openings is formed at the second isolation structure; at least a part of a light-emitting portion and a part of an anode are in an opening of the plurality of openings; the light-emitting portion covers the anode; and the anode and the second isolation structure are insulated by the light-emitting portion.
18 . The display panel according to claim 17 , wherein:
an orthographic projection of a first connection line on the plane of the display panel is at least not partially overlapped with an orthographic projection of the light-emitting portion on the plane of the display panel; and a part of the first connection line is multiplexed as the second isolation structure.
19 . The display panel according to claim 17 , wherein:
along the direction perpendicular to the plane of the display panel, the second isolation structure includes a first sub-line, a second sub-line and a third sub-line which are configured to be stacked with each other; the second sub-line is between the first sub-line and the third sub-line; and
a width of the second sub-line is less than a width of the first sub-line and a width of the third sub-line.
20 . A display apparatus, comprising:
a display panel, including a display region and a non-display region adjacent to the display region, comprising:
a substrate;
a drive circuit layer, at least including a first metal layer and a second metal layer, wherein the second metal layer is on a side of the first metal layer away from the substrate;
a light-emitting functional layer, on a side of the drive circuit layer away from the substrate, wherein the light-emitting functional layer includes a plurality of light-emitting portions; and
a first electrode layer, on a side of the light-emitting functional layer away from the substrate, wherein:
a plurality of first isolation structures is on a side of the substrate and in the non-display region; and at least one first isolation structure isolates at least one of the light-emitting functional layer, the first electrode layer, and other corresponding film layers extending to the non-display region;
along a direction perpendicular to a plane of the display panel, the at least one first isolation structure includes a first portion and a second portion which are configured to be stacked with each other; the first portion is at the first metal layer; the second portion is at the second metal layer; and the first metal layer and the second metal layer are separated by an insulating layer; and
an orthographic projection of the first portion on the plane of the display panel covers an orthographic projection of the second portion on the plane of the display panel such that the first portion, the second portion, and the insulating layer together form the first isolation structure with a tapered structure.