# US 10,482,799 B2 · Rimless display device and preparation method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,482,799 B2 - Document ID: US10482799B2 - Status: Granted - Kind: B2 - Application number: 15/780,442 - Filed: 2016-11-30 - Published: 2018-12-13 - Granted: 2019-11-19 - Earliest claimed: 2015-12-16 - Assignees: Kunshan New Flat Panel Display Technology Center Co., Ltd.; KunShan Go-Visionox Opto-Electronics Co., Ltd - Applicants: Kunshan New Flat Panel Display Technology Center Co., Ltd; Kunshan Go-Visionox Opto-Electronics Co., Ltd - Inventors: Cui Yongxin; Li Suhua; Wang Baoyou - Web page: https://patentgrep.com/patent/US10482799B2 ## CPC - G06F 1/1652: {the display being flexible, e.g. mimicking a sheet of paper, or rollable} - G06F 1/1637: {Details related to the display arrangement, including those related to the mounting of the display in the housing} - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - H05K 1/028: {Bending or folding regions of flexible printed circuits (H05K1/0283 takes precedence)} - H05K 1/189: characterised by the use of flexible or folded printed circuits - H10K 77/111: {Flexible substrates} - H05K 2201/10106: Light emitting diode [LED] - H05K 2201/10128: Display - H10K 2102/311: {Flexible OLED} - Y02E 10/549: Organic PV cells - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A rimless display device and a preparation method thereof, the rimless display device comprises a flexible substrate formed on a rigid base plate (1), the flexible substrate is provided with a display region (2) having an organic light-emitting layer arranged therein and a non-display region (3), wherein, after a part of the rigid base plate at a location corresponding to the non-display region (3) is removed, the non-display region (3) of the flexible substrate is fixed on a lateral surface or a rear surface of the display device after the non-display region (3) is folded. This rimless display device can achieve a real rimless display screen body, thereby further increasing the screen proportion and greatly improving the view effect. ## Claims ### Claim 1 A rimless display device, comprising a flexible substrate, provided with a display region having an organic light-emitting layer arranged therein and a non-display region; wherein the non-display region of the flexible substrate is fixed on a lateral surface or a rear surface of the display device after the non-display region is folded, wherein the non-display region is provided with an integrated circuit zone and a gate driving circuit zone, and the gate driving circuit zone has a hollowed-out structure. ### Claim 2 (depends on 1) The rimless display device according to claim 1, wherein the flexible substrate is placed on a rigid base plate. ### Claim 3 (depends on 1) The rimless display device according to claim 1, wherein the non-display region is fixed on a lateral surface or a rear surface of the display device after the non-display region is folded along a boundary between the display region and the non-display region. ### Claim 4 (depends on 1) The rimless display device according to claim 1, wherein the parts of the non-display region on two neighboring sides of the display region have a disconnected structure. ### Claim 5 (depends on 4) The rimless display device according to claim 4, further comprising a drive circuit board assembly arranged on a side of the rigid base plate away from the organic light-emitting layer, wherein, the drive circuit board assembly and the display region have overlapping projections on the flexible substrate. ### Claim 6 (depends on 5) The rimless display device according to claim 5, wherein when the rimless display device is a top-emitting display device, the non-display region is fixed on a rear surface of the drive circuit board assembly after the non-display region is folded; when the rimless display device is a bottom-emitting display device, the non-display region is fixed on a lateral surface of the drive circuit board assembly after the non-display region is folded. ### Claim 7 A method of making a rimless display device, comprising the following steps: (1) providing a flexible substrate on a rigid base plate, the flexible substrate having a display region and a non-display region, and providing a drive circuit board assembly on one side of the rigid base plate away from the flexible substrate; (2) preparing an organic light-emitting layer in the display region, and preparing integrated circuit and gate driving circuit in the non-display region, and making a part of the non-display region where the gate driving circuit is located into a hollowed-out structure; (3) removing a part of the rigid base plate at a location corresponding to the non-display region, and fixing the non-display region on a lateral surface or a rear surface of the drive circuit board assembly after folding the non-display region. ### Claim 8 (depends on 7) The method of making a rimless display device according to claim 7, wherein when the display device is a bottom-emitting display device, the step (3) comprises: removing the part of the rigid base plate at a location corresponding to the non-display region, and fixing the non-display region on a lateral surface of the drive circuit board assembly after folding the non-display region. ### Claim 9 (depends on 7) The method of making a rimless display device according to claim 7, wherein when the display device is a top-emitting display device, the step (3) comprises: removing the part of the rigid base plate at a location corresponding to the non-display region, and fixing the non-display region on a rear surface of the drive circuit board assembly after folding the non-display region.