阅读说明：本技术 显示基板以及显示装置 (Display substrate and display device ) 是由 张波 董向丹 王蓉 于 2020-03-24 设计创作，主要内容包括：一种显示基板以及显示装置。显示基板包括：衬底基板、导电条以及层间绝缘层。衬底基板包括邦定区；多个导电条位于衬底基板上的邦定区,各导电条包括层叠设置的第一子导电条和第二子导电条,第二子导电条位于第一子导电条远离衬底基板的一侧；层间绝缘层位于第一子导电条与第二子导电条之间。层间绝缘层包括沿导电条的延伸方向延伸的条形孔,且条形孔被配置为暴露第一子导电条,以使第二子导电条与第一子导电条电连接。通过在层间绝缘层中设置暴露第一子导电条的条形孔,既可以保证第一子导电条与第二子导电条之间具有较大的接触面积,还可以降低位于条形孔边缘位置处的第二子导电条发生断裂的几率,从而提高显示基板的良率。(A display substrate and a display device are provided. The display substrate includes: the substrate comprises a substrate base plate, a conductive strip and an interlayer insulating layer. The substrate base plate comprises a bonding area; the plurality of conductive strips are positioned in a bonding area on the substrate base plate, each conductive strip comprises a first sub conductive strip and a second sub conductive strip which are arranged in a stacked mode, and the second sub conductive strip is positioned on one side, away from the substrate base plate, of the first sub conductive strip; the interlayer insulating layer is located between the first sub-conductive strip and the second sub-conductive strip. The interlayer insulating layer includes a stripe hole extending in an extending direction of the conductive stripe, and the stripe hole is configured to expose the first subsidiary conductive stripe to electrically connect the second subsidiary conductive stripe with the first subsidiary conductive stripe. Through set up the bar hole that exposes first sub-conducting strip in the insulating layer between the layer, both can guarantee to have great area of contact between first sub-conducting strip and the second sub-conducting strip, can also reduce the cracked probability of second sub-conducting strip that is located bar hole edge position department to improve the yield of display substrates.)

A display substrate, comprising:

the substrate comprises a display area and a bonding area positioned on at least one side of the display area;

a plurality of sub-pixels in the display area;

a plurality of data lines in the display region and connected to the plurality of sub-pixels to supply data signals to the plurality of sub-pixels;

a plurality of data leads in the bonding region and electrically connected to the plurality of data lines;

at least one group of conductive strips located in the bonding area and on a side of the data leads away from the display area, wherein the group of conductive strips includes a plurality of conductive strips, at least one of the plurality of conductive strips includes a first sub-conductive strip and a second sub-conductive strip, and the second sub-conductive strip is located on a side of the first sub-conductive strip away from the substrate;

the interlayer insulating layer is positioned between the first sub conductive strip and the second sub conductive strip;

wherein the first sub-conductive strip is electrically connected to one of the plurality of data leads;

the interlayer insulating layer includes a stripe hole extending in an extending direction of the plurality of conductive stripes, and the stripe hole is configured to expose the first sub conductive stripe to electrically connect the second sub conductive stripe with the first sub conductive stripe.

The display substrate of claim 1, wherein the aspect ratio of the bar-shaped holes is not less than 5.

The display substrate according to claim 2, wherein the width of the stripe-shaped hole is in a range of 3 to 5 micrometers.

The display substrate according to any one of claims 1 to 3, wherein a slope angle between an inner side surface of the bar-shaped hole and the substrate ranges from 30 ° to 40 °.

The display substrate according to any one of claims 1 to 4, wherein the length of the stripe hole is smaller than the length of the second subsidiary conductive stripe in the extending direction of at least one of the plurality of conductive stripes by 1 to 10 micrometers.

The display substrate according to claim 5, wherein the stripe hole is a continuous stripe hole extending in an extending direction of at least one of the plurality of conductive stripes.

The display substrate according to any one of claims 1 to 4, wherein the stripe hole comprises a plurality of sub-stripe holes arranged along an extending direction of at least one of the plurality of conductive stripes, an interval is provided between two adjacent sub-stripe holes in the plurality of sub-stripe holes, and a length of at least one of the plurality of sub-stripe holes is in a range of 15 to 30 micrometers.

The display substrate according to claim 7, wherein the plurality of sub stripe holes are uniformly arranged along an extending direction of at least one of the plurality of conductive stripes.

The display substrate according to any one of claims 1 to 8, wherein the second sub conductive strip comprises a first conductive layer, a second conductive layer and a third conductive layer, which are sequentially stacked.

The display substrate according to claim 9, wherein a material of the first conductive layer and the third conductive layer comprises titanium, and a material of the second conductive layer comprises aluminum.

The display substrate of claim 9 or 10, wherein the at least one set of conductive strips comprises two sets of conductive strips, and the two sets of conductive strips are arranged in a direction away from the display area.

The display substrate of claim 11, wherein at least one of the plurality of sub-pixels comprises a pixel circuit and a light emitting element, the pixel circuit being located between the substrate and the light emitting element;

the light-emitting element comprises a first electrode, a light-emitting layer and a second electrode which are sequentially stacked, wherein the second electrode is positioned on one side of the light-emitting layer facing the substrate;

the pixel circuit comprises at least one thin film transistor, the thin film transistor comprises a grid electrode positioned on the substrate base plate, a source electrode and a drain electrode positioned on one side of the grid electrode far away from the substrate base plate, and the source electrode or the drain electrode of the thin film transistor is electrically connected with the second electrode;

the grid electrode and the first sub conductive strips are arranged at the same layer.

The display substrate of claim 12, wherein the plurality of data lines extend in a first direction, the display substrate further comprising:

a plurality of gate lines extending in a second direction, the plurality of data lines being located at a side of the plurality of gate lines away from the substrate, the first direction and the second direction intersecting,

the second sub-conductive strips are arranged on the same layer as the plurality of data lines, the source electrode or the drain electrode.

The display substrate of claim 13, wherein at least one of the plurality of subpixels further comprises a storage capacitor comprising two capacitor electrodes,

at least one of the data leads, one of the two capacitor electrodes of the storage capacitor and the gate are arranged on the same layer.

The display substrate of claim 13 or 14, wherein a direction of extension of at least one of the plurality of conductive strips is non-parallel to both the first direction and the second direction.

The display substrate according to any one of claims 13 to 15, wherein, along the second direction, a maximum width of the first sub conductive stripe is smaller than a maximum width of the second sub conductive stripe, and a maximum width of the stripe hole in the second direction is smaller than a maximum width of the first sub conductive stripe.

The display substrate of any one of claims 11-16, wherein the two sets of conductive strips comprise a first set of conductive strips and a second set of conductive strips, each of the first set of conductive strips and the second set of conductive strips comprising a row of conductive strips aligned along the second direction, the first set of conductive strips being located on a side of the second set of conductive strips adjacent to the display area.

The display substrate of claim 17, wherein the plurality of data leads include a plurality of first data leads connected to the first conductive strip group and a plurality of second data leads connected to the second conductive strip group, the plurality of first data leads and the plurality of second data leads are alternately arranged, and each of the plurality of second data leads passes through a space between adjacent conductive strips in the first conductive strip group.

A display device comprising a circuit structure and the display substrate of any one of claims 1-18,

the circuit structure comprises a third sub-conductive strip, and the third sub-conductive strip is electrically connected with the second sub-conductive strip through a conductive adhesive to write signals into the second sub-conductive strip.