# US 12,217,633 B2 · Display panel and manufacturing method thereof, display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,217,633 B2 - Document ID: US12217633B2 - Status: Granted - Kind: B2 - Application number: 17/041,811 - Filed: 2020-02-11 - Published: 2021-01-28 - Granted: 2025-02-04 - Earliest claimed: 2019-02-11 - Assignees: Boe Technology Group Co., Ltd. - Applicants: BOE Technology Group Co., Ltd. - Inventors: Yanan Niu; Hongwei Tian; Zhongyuan Sun; Jing Niu; Lei Chen; Wei Huang; Zhiqiang Jiao - Web page: https://patentgrep.com/patent/US12217633B2 ## CPC - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - H10K 71/80: using temporary substrates - H10K 77/111: {Flexible substrates} - H10K 2102/311: {Flexible OLED} - Y02E 10/549: Organic PV cells - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract The present disclosure provides a display panel and a manufacturing method of the display panel, and a display apparatus, and belongs to the field of display technology. The display panel of the present disclosure includes a flexible substrate and a support substrate, wherein the support substrate supports the flexible substrate; a plurality of display units are provided on the flexible substrate; the display panel further includes: a first magnetic unit; a second magnetic unit; the first magnetic unit and the second magnetic unit are used for jointing the flexible substrate to the support substrate through a magnetic field therebetween. ## Claims ### Claim 1 A display panel, comprising: a flexible substrate, comprising a plurality of display units in a plurality of display regions and a plurality of spacer regions between the plurality of display regions, wherein the plurality of spacer regions comprise a plurality of hollow portions and a plurality of connection portions, and two adjacent display regions are separated by a hollow portion and connected by a connection portion; a support substrate which is configured to support the flexible substrate; a first magnetic unit which is attached to the flexible substrate; a second magnetic unit which is attached to the support substrate; wherein the first magnetic unit comprises a plurality of first magnetic devices, each first magnetic device of the plurality of first magnetic devices is entirely provided at a corresponding display region of the plurality of display regions, and has an orthographic projection on the flexible substrate at least partially overlapping with an orthographic projection of a display unit in the corresponding display region; the plurality of first magnetic devices are provided at a side of the flexible substrate away from the plurality of display units, and provided at the plurality of display regions, respectively, and there is one-to-one correspondence between the plurality of first magnetic devices and the plurality of display units; and the second magnetic unit comprises a plurality of second magnetic devices on the support substrate at positions corresponding to the plurality of first magnetic devices, wherein the first magnetic device and the second magnetic device corresponding to each display unit of the plurality of display units are at least partially overlapped with each other to form a magnetic field to join the flexible substrate and the support substrate together. ### Claim 2 (depends on 1) The display panel of claim 1, wherein a plurality of first grooves are provided at a side of the flexible substrate away from the display units, and there is one-to-one correspondence between the plurality of first grooves and the plurality of display units; and each of the plurality of first magnetic devices is provided in a corresponding one first groove. ### Claim 3 (depends on 1) The display panel of claim 1, wherein the first magnetic devices each comprise a magnetic coil or a magnetic metal. ### Claim 4 (depends on 1) The display panel of claim 1, wherein a surface of the support substrate for supporting the flexible substrate is an arc surface. ### Claim 5 (depends on 1) A display device, comprising the display panel of claim 1. ### Claim 6 (depends on 1) The display panel of claim 1, wherein a material of the first magnetic unit comprises silica gel doped with magnetic particles. ### Claim 7 (depends on 6) The display panel of claim 6, wherein the magnetic particles comprise magnetic Fe3O4 nano-microspheres, magnetic NiFe nano-microspheres, or magnetic quantum dot nano-microspheres. ### Claim 8 (depends on 1) The display panel of claim 1, wherein the second magnetic unit is provided at a side of the support substrate close to the flexible substrate, and the second magnetic unit is arranged opposite to the first magnetic unit. ### Claim 9 (depends on 8) The display panel of claim 8, wherein the support substrate and the second magnetic unit are integrally formed of a magnetic metal as a single piece; and the display panel further comprises a stretchable back membrane provided between the support substrate and the flexible substrate. ### Claim 10 (depends on 8) The display panel of claim 8, wherein the second magnetic devices each comprise a magnetic coil or a magnetic metal. ### Claim 11 (depends on 10) The display panel of claim 10, wherein a plurality of second grooves are provided at a side of the support substrate close to the flexible substrate, and there is one-to-one correspondence between the plurality of second grooves and the plurality of display units; and each of the plurality of second magnetic devices is provided in a corresponding one second groove. ### Claim 12 (depends on 10) The display panel of claim 10, wherein the plurality of second magnetic devices are provided on the support substrate; and the display panel further comprises a stretchable back membrane provided between the support substrate and the flexible substrate. ### Claim 13 (depends on 10) The display panel of claim 10, wherein the first magnetic devices each are an electromagnetic coil and/or the second magnetic devices each are an electromagnetic coil; and the display panel further comprises a power supply for applying a current to the electromagnetic coil. ### Claim 14 A display panel, comprising: a flexible substrate, comprising a plurality of display units in a plurality of display regions and a plurality of spacer regions between the plurality of display regions, wherein the plurality of spacer regions comprise a plurality of hollow portions and a plurality of connection portions, and two adjacent display regions are separated by a hollow portion and connected by a connection portion; a support substrate which is configured to support the flexible substrate; a first magnetic unit which is attached to the flexible substrate; a second magnetic unit which is attached to the support substrate; wherein the first magnetic unit comprises a plurality of first magnetic devices, each first magnetic device of the plurality of first magnetic devices is entirely provided at a corresponding display region of the plurality of display regions, and has an orthographic projection on the flexible substrate at least partially overlapping with an orthographic projection of a display unit in the corresponding display region; the plurality of first magnetic devices are provided at a side of the flexible substrate close to the plurality of display units, and provided at the plurality of display regions, respectively, and there is one-to-one correspondence between the plurality of first magnetic devices and the plurality of display units; and the second magnetic unit comprises a plurality of second magnetic devices on the support substrate at positions corresponding to the plurality of first magnetic devices, wherein the first magnetic device and the second magnetic unit corresponding to each display unit of the plurality of display units are at least partially overlapped with each other to form a magnetic field to join the flexible substrate and the support substrate together. ### Claim 15 (depends on 14) A display device, comprising the display panel of claim 14. ### Claim 16 (depends on 14) The display panel of claim 14, wherein a material of the first magnetic unit comprises silica gel doped with magnetic particles. ### Claim 17 (depends on 14) The display panel of claim 14, wherein the first magnetic devices each comprise a magnetic coil or a magnetic metal.