# US 2021/0242298 A1 · Organic light-emitting diode display panel and display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0242298 A1 - Document ID: US20210242298A1 - Status: Published application - Kind: A1 - Application number: 17/235,926 - Filed: 2021-04-20 - Published: 2021-08-05 - Earliest claimed: 2020-12-30 - Assignees: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd. - Applicants: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd. - Inventors: Feng LU; Qijun YAO - Web page: https://patentgrep.com/patent/US20210242298A1 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - H10K 50/813: characterised by their shape - H10K 50/844: Encapsulations - H10K 59/121: characterised by the geometry or disposition of pixel elements - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT] - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 59/40: OLEDs integrated with touch screens - H10K 59/80515: {characterised by their shape} - H10K 59/873: {Encapsulations} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract Provided are a display panel and a display device. The display panel includes a substrate, a drive module layer, a planarization layer, an anode layer, an organic light-emitting layer, a cathode layer and an auxiliary connection line. The drive module layer, the planarization layer, the anode layer, the organic light-emitting layer and the cathode layer are sequentially disposed on the substrate. The drive module layer is provided with drive modules; and the anode layer includes blocky anodes. On a plane parallel to a plane where the substrate is located, the auxiliary connection line is disposed in a gap region between adjacent two of the blocky anodes and is insulated from the blocky anodes. ## Claims ### Claim 1 A display panel, comprising: a substrate; a drive module layer, a planarization layer, a anode layer, an organic light-emitting layer and a cathode layer which are sequentially disposed on the substrate, wherein the drive module layer is provided with a plurality of drive modules; and the anode layer comprises a plurality of blocky anodes; and an auxiliary connection line; wherein in a plane parallel to a plane where the substrate is located, the auxiliary connection line is disposed in a gap region between adjacent two blocky anodes of the plurality of blocky anodes and is insulated from the adjacent two blocky anodes; wherein at least one jumper layer is disposed between the drive module layer and the planarization layer, wherein the at least one jumper layer is disposed on a side of the auxiliary connection line close to the substrate; at least one jumper layer comprises a plurality of jumper portions; a blocky anode of the plurality of blocky anodes is electrically connected to a drive module of the plurality of drive modules through a jumper portion of the plurality of jumper portions; and wherein on the plane parallel to the plane where the substrate is located, the auxiliary connection line at least partially overlaps with the jumper portion. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the plurality of drive modules are disposed in a matrix arrangement, wherein the plurality of drive modules are disposed in rows along a first direction and in columns along a second direction, and the first direction intersects the second direction; and wherein the plurality of blocky anodes comprise a first blocky anode, a second blocky anode and a third blocky anode, three of which are disposed in a triangular arrangement; the first blocky anode and the second blocky anode are disposed in a column along the second direction; and drive modules connected to blocky anodes in a same triangle are disposed in a same row along the first direction. ### Claim 3 (depends on 1) The display panel according to claim 1, wherein, the jumper portion comprises a first end and a second end; a drive module is connected to a first end of a jumper portion corresponding to the drive module; the blocky anode is connected to a second end of a jumper portion corresponding to the blocky anode; a first end of at least one of the plurality of jumper portions dose not overlap with the blocky anode; a first end of at least another one of the plurality of jumper portions overlaps with the blocky anode. ### Claim 4 (depends on 3) The display panel according to claim 3, wherein at least one of the plurality of blocky anodes is electrically connected to a second end of a jumper portion penetrating through a first through hole of the planarization layer; and a vertical projection of the first through hole on the plane where the substrate is located is located within a blocky anode corresponding to the first through hole. ### Claim 5 (depends on 4) The display panel according to claim 4, wherein on the plane parallel to the plane where the substrate is located, at least one of the plurality of blocky anodes is a polygon; and the vertical projection of the first through hole on the plane where the substrate is located is within a first connection region; and the first connection region is a region, within the polygon, which is closest to the first end of the jumper portion. ### Claim 6 (depends on 1) The display panel according to claim 1, wherein a vertical projection of at least one of the plurality of jumper portions on the plane where the substrate is located is located within a blocky anode. ### Claim 7 (depends on 1) The display panel according to claim 1, wherein the auxiliary connection line is also used as an initialization signal line of the drive module. ### Claim 8 (depends on 1) The display panel according to claim 1, further comprising an encapsulation layer and a touch layer; wherein the encapsulation layer is disposed on a side of the cathode layer facing away from the substrate, and the touch layer is disposed on a side of the encapsulation layer facing away from the substrate; and wherein the touch layer comprises a metal grid structure, on the plane parallel to the plane where the substrate is located, the metal grid structure is disposed among the plurality of blocky anodes and overlaps with the auxiliary connection line. ### Claim 9 (depends on 2) The display panel according to claim 2, wherein the auxiliary connection line comprises a plurality of first auxiliary connection line segments and a plurality of second auxiliary connection line segments, wherein the plurality of first auxiliary connection line segments extend along the second direction; and on the plane parallel to the plane where the substrate is located, a first auxiliary connection line segment of the plurality of first auxiliary connection line segments is disposed between adjacent two columns of blocky anodes; and adjacent two first auxiliary connection line segments are connected through a second auxiliary connection line segment; and on the plane parallel to the plane where the substrate is located, the second auxiliary connection line segment is disposed between a first blocky anode and a second blocky anode which are adjacent to each other or between adjacent two third blocky anodes. ### Claim 10 (depends on 1) The display panel according to claim 1, wherein the auxiliary connection line is in a network structure; and a vertical projection of the blocky anode on the plane where the substrate is located is located within a mesh of the network structure. ### Claim 11 (depends on 1) The display panel according to claim 1, wherein the anode layer, the organic light-emitting layer and the cathode layer form a subpixel; and the display panel comprises subpixels of different colors; and on the plane parallel to the plane where the substrate is located, at least part of subpixels with a same color has a same first overlapped area; a first overlapped area of a subpixel is a overlapped area of a jumper portion of the subpixel and an auxiliary connection line corresponding to the jumper portion of the subpixel. ### Claim 12 (depends on 1) The display panel according to claim 1, wherein the auxiliary connection line is disposed in a same layer as the blocky anode; a material of the auxiliary connection line is at least one of molybdenum or titanium; and a material of the blocky anode is at least one of indium tin oxide or silver. ### Claim 13 (depends on 12) The display panel according to claim 12, wherein the auxiliary connection line and the blocky anode are separately formed by adopting a wet etching process; and the auxiliary connection line is formed prior to the blocky anode. ### Claim 14 (depends on 1) The display panel according to claim 1, further comprising: a pixel definition layer and a support pole; wherein the pixel definition layer is disposed between the anode layer and the organic light-emitting layer; the support pole is disposed between the pixel definition layer and the organic light-emitting layer; and a vertical projection of the support pole on the plane where the substrate is located is located within the pixel definition layer; and the auxiliary connection line is disposed between the pixel definition layer and the support pole; and the vertical projection of the support pole on the plane where the substrate is located covers the auxiliary connection line. ### Claim 15 (depends on 14) The display panel according to claim 14, wherein a distance between an edge of the auxiliary connection line and an edge of the pixel definition layer is less than or equal to 3 μm. ### Claim 16 (depends on 1) The display panel according to claim 1, wherein the auxiliary connection line is disposed in a same layer as the blocky anode, and a material of the auxiliary connection line is same as a material of the blocky anode. ### Claim 17 (depends on 16) The display panel according to claim 16, wherein a distance between an edge of the auxiliary connection line and an edge of a blocky anode adjacent to the auxiliary connection line is less than or equal to 5 μm. ### Claim 18 (depends on 16) The display panel according to claim 16, wherein a first jumper layer is disposed between the drive module layer and the planarization layer; a first insulating dielectric layer is disposed on a side of the drive module layer facing away from the substrate; the first jumper layer is disposed on a side of the first insulating dielectric layer facing away from the substrate; and the first jumper layer comprises a plurality of first jumper portions; and the blocky anode is connected to a first jumper portion corresponding to the blocky anode through a first through hole penetrating through the planarization layer; and the first jumper portion is electrically connected to a drive module corresponding to the first jumper portion through a second through hole penetrating through the first insulating dielectric layer. ### Claim 19 (depends on 16) The display panel according to claim 16, wherein a second jumper layer and a third jumper layer are disposed between the drive module layer and the planarization layer; a second insulating dielectric layer is disposed on a side of the drive module layer facing away from the substrate; the second jumper layer is disposed on a side of the second insulating dielectric layer facing away from the substrate, and the second jumper layer comprises a plurality of second jumper portions; a third insulating dielectric layer is disposed on a side of the second jumper layer facing away from the substrate; and the third jumper layer is disposed on a side of the third insulating dielectric layer facing away from the substrate, and the third jumper layer comprises a plurality of third jumper portions; and the blocky anode is connected to a third jumper portion among the plurality of third jumper portions corresponding to the blocky anode through a first through hole penetrating through the planarization layer; the third jumper portion is connected to a second jumper portion among the plurality of second jumper portions corresponding to the third jumper portion through a third through hole penetrating through the third insulating dielectric layer; and second jumper portion among the plurality of second jumper portions is electrically connected to a drive module corresponding to the second jumper portion through a fourth through hole penetrating through the second insulating dielectric layer. ### Claim 20 A display device, comprising: a display panel; wherein the display panel comprises: a substrate; a drive module layer, a planarization layer, a anode layer, an organic light-emitting layer and a cathode layer which are sequentially disposed on the substrate, wherein the drive module layer is provided with a plurality of drive modules; and the anode layer comprises a plurality of blocky anodes; and an auxiliary connection line; wherein in a plane parallel to a plane where the substrate is located, the auxiliary connection line is disposed in a gap region between adjacent two blocky anodes of the plurality of blocky anodes and is insulated from the adjacent two blocky anodes; wherein at least one jumper layer is disposed between the drive module layer and the planarization layer, wherein the at least one jumper layer is disposed on a side of the auxiliary connection line close to the substrate; at least one jumper layer comprises a plurality of jumper portions; blocky anode of the plurality of blocky anodes is electrically connected to a drive module of the plurality of drive modules corresponding to the blocky anode through a jumper portion of the plurality of jumper portions; and wherein on the plane parallel to the plane where the substrate is located, the auxiliary connection line at least partially overlaps with the jumper portion.