# US 12,183,304 B2 · Display panel and method for manufacturing same, 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 12,183,304 B2 - Document ID: US12183304B2 - Status: Granted - Kind: B2 - Application number: 18/275,807 - Filed: 2022-08-09 - Published: 2024-04-11 - Granted: 2024-12-31 - Earliest claimed: 2021-08-16 - Assignees: Chengdu Boe Optoelectronics Technology Co., Ltd.; Boe Technology Group Co., Ltd. - Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd.; BOE Technology Group Co., Ltd. - Inventors: Fei Fang; Ke Liu; Ling Shi; Ruoxiang Li - Web page: https://patentgrep.com/patent/US12183304B2 ## CPC - G09G 5/003: {Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto (specific for a CRT G09G1/165; for a flat panel G09G3/2092)} - H10K 59/131: Interconnections, e.g. wiring lines or terminals - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/481: {integrated with passive devices, e.g. auxiliary capacitors} - H10D 86/60: wherein the TFTs are in active matrices - H10K 59/121: characterised by the geometry or disposition of pixel elements - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - G09G 2300/02: Composition of display devices - G09G 2300/0426: Layout of electrodes and connections - G09G 2300/0819: used for counteracting undesired variations, e.g. feedback or autozeroing - G09G 2300/0842: forming a memory circuit, e.g. a dynamic memory with one capacitor - G09G 2300/0861: with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes - G09G 2310/0208: using active addressing - G09G 2310/0243: Details of the generation of driving signals - G09G 2320/0238: Improving the black level - G09G 2360/14: Detecting light within display terminals, e.g. using a single or a plurality of photosensors - G09G 2360/144: the light being ambient light - H10K 59/1201: {Manufacture or treatment} - H10K 59/60: OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract Provided is a display panel. The display panel includes: a base substrate, including a display region and a periphery region at least partially surrounding the display region, wherein the display region includes a first display region and a second display region disposed at least on one side of the first display region, a light transmittance of the first display region being greater than a light transmittance of the second display region; a plurality of first pixel units disposed on the base substrate and in the first display region; and a plurality of signal lines disposed at least in the first display region and electrically connected to the plurality of first pixel units, wherein the plurality of signal lines include a plurality of first signal lines and a plurality of second signal lines. ## Claims ### Claim 1 A display panel, comprising: a base substrate, comprising a display region and a periphery region at least partially surrounding the display region, wherein the display region comprises a first display region and a second display region disposed at least on one side of the first display region, a light transmittance of the first display region being greater than a light transmittance of the second display region; a plurality of first pixel units disposed on the base substrate and in the first display region; and a plurality of signal lines disposed at least in the first display region and electrically connected to the plurality of first pixel units, wherein the plurality of signal lines comprise a plurality of first signal lines and a plurality of second signal lines, wherein a first portion of each of the plurality of first signal lines is a metal signal line and is disposed at least in the first display region, and a first portion of each of the plurality of second signal lines is a metal oxide signal line and is disposed at least in the first display region, wherein at least one of the plurality of first signal lines further comprises a second portion in the second display region, and at least one of the plurality of second signal lines further comprises a second portion in the second display region, wherein both the second portion of at least one of the plurality of first signal lines and the second portion of at least one of the plurality of second signal lines are metal signal lines, the display panel further comprises: a first metal layer, a first insulative layer, and a metal oxide layer that are sequentially disposed on the base substrate in a direction away from the base substrate, wherein the plurality of first signal lines are disposed in the first metal layer, the first portion, in the first display region, of at least one of the plurality of second signal lines is disposed in the metal oxide layer the second portion, in the second display region of at least one of the plurality of second signal lines is disposed in the first metal layer, and the first portion and the second portion of the at least one of the plurality of second signal lines are connected by a first via opened through the first insulative layer, wherein the first via is at a junction of the first display region and the second display region. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the plurality of first signal lines comprise at least one of: a gate signal line, a data signal line, a reset signal line, a light-emitting control signal line, an initiation voltage signal line, and a power signal line. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein the plurality of first signal lines comprise the gate signal line and the data signal line. ### Claim 4 (depends on 1) The display panel according to claim 1, wherein the first metal layer comprises a first gate metal layer and a first source and drain metal layer, and the first insulative layer comprises a first passivation layer and an inter-layer dielectric layer, wherein the first gate metal layer, the inter-layer dielectric layer, the first source and drain metal layer, and the first passivation layer are sequentially laminated in the direction away from the base substrate. ### Claim 5 (depends on 1) The display panel according to claim 1, further comprising: a second insulative layer and a second metal layer, wherein the second metal layer, the second insulative layer, the first metal layer, the first insulative layer, and the metal oxide layer are sequentially laminated in the direction away from the base substrate, the first portions, in the first display region, of another part of the plurality of second signal lines are disposed in the metal oxide layer, the second portions, in the second display region, of the another part of the plurality of second signal lines are disposed in the second metal layer, and the first portions and the second portions of the another part of the plurality of second signal lines are connected by a second via opened through the first insulative layer and the second insulative layer, wherein the second via is at the junction of the first display region and the second display region. ### Claim 6 (depends on 5) The display panel according to claim 5, wherein the second metal layer comprises a second gate metal layer, and the second insulative layer comprises a first gate insulative layer. ### Claim 7 (depends on 1) The display panel according to claim 1, wherein in a case that a ratio of a first size of the first display region to a second size of the first display region is greater than 2, the plurality of first signal lines are gate signal lines, wherein the first size of the first display region is a size of the first display region in an extension direction of the gate signal lines, and the second size of the first display region is a size of the first display region in an extension direction of data signal lines. ### Claim 8 (depends on 1) The display panel according to claim 1, wherein in a case that a ratio of a first size of the first display region to a second size of the first display region is less than 0.5, the plurality of first signal lines are data signal lines, wherein the first size of the first display region is a size of the first display region in an extension direction of gate signal lines, and the second size of the first display region is a size of the first display region in an extension direction of the data signal lines. ### Claim 9 (depends on 1) The display panel according to claim 1, wherein in a case that a ratio of a first size of the first display region to a second size of the first display region is in a range from 0.5 to 2, the plurality of first signal lines comprise a gate signal line and a data signal line, wherein the first size of the first display region is a size of the first display region in an extension direction of the gate signal line, and the second size of the first display region is a size of the first display region in an extension direction of the data signal line. ### Claim 10 (depends on 1) The display panel according to claim 1, further comprising: a plurality of second pixel units in the second display region, wherein the plurality of first pixel units and the plurality of second pixel units are arranged in a plurality of rows, pixel units in two adjacent rows of pixel units are staggered in an arrangement direction of one row of pixel units, and the pixel units in two adjacent rows of pixel units are connected by one gate signal line. ### Claim 11 (depends on 10) The display panel according to claim 10, wherein the gate signal line is wavy, and peaks of wave and valleys of wave of the gate signal line are respectively connected to the pixel units in adjacent two rows of pixel units. ### Claim 12 (depends on 10) The display panel according to claim 10, wherein the data signal line is wavy, and peaks of wave and valleys of wave of the data signal line are respectively connected to two adjacent pixel units in the same column of pixel units. ### Claim 13 (depends on 1) The display panel according to claim 1, wherein the metal signal line comprises a molybdenum-containing signal line and a titanium-containing signal line. ### Claim 14 (depends on 1) The display panel according to claim 1, wherein the metal oxide signal line is a transparent metal oxide signal line. ### Claim 15 (depends on 14) The display panel according to claim 14, wherein the metal oxide signal line is an indium tin oxide signal line. ### Claim 16 A method for manufacturing a display panel, comprising: providing a base substrate, wherein the base substrate comprises a display region and a periphery region at least partially surrounding the display region, wherein the display region comprises a first display region and a second display region disposed at least on one side of the first display region, a light transmittance of the first display region being greater than a light transmittance of the second display region; and forming a plurality of first pixel units and a plurality of signal lines on the base substrate, wherein the plurality of first pixel units are disposed in the first display region, the plurality of signal lines are disposed at least in the first display region and electrically connected to the plurality of first pixel units, and the plurality of signal lines comprise a plurality of first signal lines and a plurality of second signal lines, wherein a first portion of each of the plurality of first signal lines is a metal signal line and is disposed at least in the first display region, and a first portion of each of the plurality of second signal lines is a metal oxide signal line and is disposed at least in the first display region, wherein at least one of the plurality of first signal lines further comprises a second portion in the second display region, and at least one of the plurality of second signal lines further comprises a second portion in the second display region, wherein both the second portion of at least one of the plurality of first signal lines and the second portion of at least one of the plurality of second signal lines are metal signal lines, the display panel further comprises: a first metal layer, a first insulative layer, and a metal oxide layer that are sequentially disposed on the base substrate in a direction away from the base substrate, wherein the plurality of first signal lines are disposed in the first metal layer, the first portion, in the first display region, of at least one of the plurality of second signal lines is disposed in the metal oxide layer, the second portion, in the second display region, of at least one of the plurality of second signal lines is disposed in the first metal layer, and the first portion and the second portion of the at least one of the plurality of second signal lines are connected by a first via opened through the first insulative layer, wherein the first via is at a junction of the first display region and the second display region. ### Claim 17 A display device, comprising: a power supply assembly and a display panel, wherein the display panel comprises: a base substrate, comprising a display region and a periphery region at least partially surrounding the display region, wherein the display region comprises a first display region and a second display region disposed at least on one side of the first display region, a light transmittance of the first display region being greater than a light transmittance of the second display region; a plurality of first pixel units disposed on the base substrate and in the first display region; and a plurality of signal lines disposed at least in the first display region and electrically connected to the plurality of first pixel units, wherein the plurality of signal lines comprise a plurality of first signal lines and a plurality of second signal lines, wherein a first portion of each of the plurality of first signal lines is a metal signal line and is disposed at least in the first display region, and a first portion of each of the plurality of second signal lines is a metal oxide signal line and is disposed at least in the first display region; and the power supply assembly is configured to supply power to the display panel, wherein at least one of the plurality of first signal lines further comprises a second portion in the second display region, and at least one of the plurality of second signal lines further comprises a second portion in the second display region, wherein both the second portion of at least one of the plurality of first signal lines and the second portion of at least one of the plurality of second signal lines are metal signal lines, the display panel further comprises: a first metal layer, a first insulative layer, and a metal oxide layer that are sequentially disposed on the base substrate in a direction away from the base substrate, wherein the plurality of first signal lines are disposed in the first metal layer, the first portion, in the first display region, of at least one of the plurality of second signal lines is disposed in the metal oxide layer, the second portion, in the second display region, of at least one of the plurality of second signal lines is disposed in the first metal layer, and the first portion and the second portion of the at least one of the plurality of second signal lines are connected by a first via opened through the first insulative layer, wherein the first via is at a junction of the first display region and the second display region. ### Claim 18 (depends on 17) The display device according to claim 17, further comprising: a photosensor, wherein the photosensor is disposed on a side, distal from the plurality of first pixel units, of the display panel, and an orthogonal projection of the photosensor on the base substrate is at least partially overlapped with the first display region.