# US 12,193,288 B2 · Display panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,193,288 B2 - Document ID: US12193288B2 - Status: Granted - Kind: B2 - Application number: 17/623,204 - Filed: 2021-12-17 - Published: 2023-06-15 - Granted: 2025-01-07 - Earliest claimed: 2021-12-09 - Assignees: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Applicants: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. - Inventors: Yingchuan Jiang - Web page: https://patentgrep.com/patent/US12193288B2 ## CPC - H10K 59/127: comprising two substrates, e.g. display comprising OLED array and TFT driving circuitry on different substrates - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10K 50/8426: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display panel includes a driving substrate, a display substrate, and an adhering layer. The driving substrate includes a first bonding electrode and a driving circuit of the display panel. The display substrate includes a second bonding electrode and a display unit of the display panel. The second bonding electrode corresponds to the first bonding electrode of the driving substrate. The adhering layer is disposed between the driving substrate and the display substrate, and includes a conductive glue and an adhesive. The conductive glue is electrically connected to the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate, so that the driving circuit is electrically connected to the display unit, and the adhesive adheres surfaces of the driving substrate and the display substrate facing each other. ## Claims ### Claim 1 A display panel, comprising: a driving substrate, comprising a first bonding electrode and a driving circuit of the display panel; a display substrate, comprising a second bonding electrode and a display unit of the display panel, wherein the second bonding electrode corresponds to the first bonding electrode of the driving substrate; and an adhering layer, disposed between the driving substrate and the display substrate and comprising a conductive glue and an adhesive, wherein the conductive glue electrically connects the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate to enable the driving circuit to electrically connect the display unit, and the adhesive adheres surfaces of the driving substrate and the display substrate facing each other; and wherein the display panel comprises a plurality of display substrates arranged in an array on the driving substrate, and each of the plurality of display substrates is arranged as the said display substrate. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the adhesive has a liquid state during a manufacturing process of the display panel and has a solid state after the display panel is manufactured; and the adhering layer further comprises a surrounding dam, the surrounding dam surrounds an outer periphery of the adhesive, and the adhesive is filled among the driving substrate, the display substrate, and the surrounding dam. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein the surrounding dam is defined with a vent. ### Claim 4 (depends on 2) The display panel according to claim 2, wherein the adhesive is shaped from the liquid state to the solid state through light curing. ### Claim 5 (depends on 2) The display panel according to claim 2, wherein the display panel comprises a bonding region and a non-bonding region, and the bonding region surrounds the non-bonding region; the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate are positioned at the bonding region of the display panel; and the adhesive of the adhering layer comprises a first adhesive and a second adhesive, and the first adhesive is positioned at the non-bonding region of the display panel, and the second adhesive is positioned at the bonding region of the display panel. ### Claim 6 (depends on 5) The display panel according to claim 5, wherein the surrounding dam comprises a first surrounding dam and a second surrounding dam, the first surrounding dam surrounds an outer periphery of the first adhesive, and the second surrounding dam surrounds an outer periphery of the second adhesive. ### Claim 7 (depends on 6) The display panel according to claim 6, wherein the first surrounding dam is defined with a first vent. ### Claim 8 (depends on 6) The display panel according to claim 6, wherein the second surrounding dam is defined with a second vent. ### Claim 9 (depends on 1) The display panel according to claim 1, wherein the adhesive is solid from start to finish in a manufacturing process of the display panel; and the adhesive comprises a through hole, the through hole corresponds to the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate, and the conductive glue is disposed in the through hole. ### Claim 10 (depends on 9) The display panel according to claim 9, wherein the adhesive comprises an optical clear adhesive. ### Claim 11 (depends on 1) The display panel according to claim 1, wherein the display panel comprises a bonding region and a non-bonding region, and the bonding region surrounds the non-bonding region; the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate are positioned at the bonding region of the display panel; and the adhesive of the adhering layer comprises a first adhesive and a second adhesive, and the first adhesive is positioned at the non-bonding region of the display panel, and the second adhesive is positioned at the bonding region of the display panel. ### Claim 12 (depends on 11) The display panel according to claim 11, wherein the first adhesive has a liquid state during a manufacturing process of the display panel and has a solid state after the display panel is manufactured, and the second adhesive is solid from start to finish in the manufacturing process of the display panel; and the second adhesive surrounds an outer periphery of the first adhesive, and the second adhesive comprises a through hole corresponding to the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate, and the conductive glue is disposed in the through hole. ### Claim 13 (depends on 12) The display panel according to claim 12, wherein the first adhesive is shaped from the liquid state to the solid state through light curing. ### Claim 14 (depends on 12) The display panel according to claim 12, wherein the second adhesive comprises an optical clear adhesive. ### Claim 15 (depends on 11) The display panel according to claim 11, wherein the first adhesive is solid from start to finish in a manufacturing process of the display panel, and the second adhesive has a liquid state during the manufacturing process of the display panel and has a solid state after the display panel is manufactured; and the adhering layer further comprises a surrounding dam, the second adhesive surrounds an outer periphery of the first adhesive, and the surrounding dam surrounds an outer periphery of the second adhesive. ### Claim 16 (depends on 15) The display panel according to claim 15, wherein the surrounding dam is defined with a second vent. ### Claim 17 (depends on 15) The display panel according to claim 15, wherein the second adhesive is shaped from the liquid state to the solid state through light curing. ### Claim 18 (depends on 15) The display panel according to claim 15, wherein the first adhesive comprises an optical clear adhesive. ### Claim 19 (depends on 1) The display panel according to claim 1, wherein the adhering layer is disposed between the driving substrate and the display substrates, and the adhesive of the adhering layer adheres surfaces of the driving substrate and the display substrates facing one another. ### Claim 20 A display panel, comprising a non-bonding region and a bonding region surrounding the non-bonding region, and comprising: a driving substrate, comprising a first bonding electrode positioned at the bonding region and a driving circuit of the display panel; a display substrate, comprising a second bonding electrode positioned at the bonding region and a display unit of the display panel, wherein the second bonding electrode corresponds to the first bonding electrode of the driving substrate; and an adhering layer, disposed between the driving substrate and the display substrate and comprising a conductive glue and an adhesive, wherein the conductive glue electrically connects the first bonding electrode of the driving substrate and the second bonding electrode of the display substrate to enable the driving circuit to electrically connect the display unit, and the adhesive adheres surfaces of the driving substrate and the display substrate facing each other; and wherein the adhesive of the adhering layer comprises a first adhesive and a second adhesive, and the first adhesive is positioned at the non-bonding region, and the second adhesive is positioned at the bonding region.