# US 11,309,523 B2 · Flexible 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 11,309,523 B2 - Document ID: US11309523B2 - Status: Granted - Kind: B2 - Application number: 16/766,418 - Filed: 2018-11-19 - Published: 2020-11-19 - Granted: 2022-04-19 - Earliest claimed: 2017-11-30 - Assignees: Semiconductor Energy Laboratory Co., Ltd. - Applicants: Semiconductor Energy Laboratory Co., Ltd. - Inventors: Shunpei Yamazaki; Hiroki Adachi; Shingo Eguchi - Web page: https://patentgrep.com/patent/US11309523B2 ## CPC - G09G 5/006: {Details of the interface to the display terminal (specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04)} - G09F 9/00: Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements (in which the variable information is permanently attached to a movable support G09F11/00; abacus G06C1/00; slide-rules G06G1/00) - G09F 9/30: in which the desired character or characters are formed by combining individual elements (panels comprising a number of electrodes in a single cell controlling light arriving from an independent light source, e.g. electro-optical or magneto-optical cell, G02F1/00) - G09G 3/2092: {Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto (suitable for both CRT and flat panel G09G5/003; specific for a CRT G09G1/165)} - 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)} - G09G 5/14: Display of multiple viewports - H05B 33/02: Details - H05B 33/04: Sealing arrangements {, e.g. against humidity} - H05B 33/14: characterised by the chemical or physical composition or the arrangement of the electroluminescent material {, or by the simultaneous addition of the electroluminescent material in or onto the light source} - H10K 50/844: Encapsulations - H10K 59/873: {Encapsulations} - H10K 77/111: {Flexible substrates} - G09G 2300/0426: Layout of electrodes and connections - G09G 2354/00: Aspects of interface with display user - G09G 2380/02: Flexible displays - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/131: Interconnections, e.g. wiring lines or terminals - Y02E 10/549: Organic PV cells - 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) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A novel display panel that is highly convenient or reliable is provided. The display panel includes a first region and a second region. The second region is provided with a first component, and the second region can be bent with the first component facing outward. The first component includes a first elastic body and a second elastic body. The second elastic body includes an end portion part or the whole of which is covered with the first elastic body. The second elastic body has a higher elastic modulus than the first elastic body. ## Claims ### Claim 1 A display panel comprising: a first region, a second region, and a display region, wherein the first region comprises part of the display region, wherein the second region comprises another part of the display region, wherein the second region is provided with a first component, wherein the second region is capable of being bent with the first component facing outward, wherein the first component comprises a first elastic body and a second elastic body, wherein the second elastic body has a higher elastic modulus than the first elastic body, wherein the second elastic body has a top surface in contact with the display region, a bottom surface opposite the top surface, and side surfaces between the top and bottom surfaces, and wherein the side surfaces of the second elastic body are in contact with the first elastic body both when the second region is bent and when the second region is not bent. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the display region has a function of performing display in a direction in which the first component is not provided. ### Claim 3 (depends on 1) The display panel according to claim 1, wherein the second region is capable of being bent with a curvature radius larger than 2 mm. ### Claim 4 (depends on 1) The display panel according to claim 1, wherein a thickness of the second region is smaller than a thickness obtained by addition of 100 mm to a thickness of the first component. ### Claim 5 (depends on 1) The display panel according to claim 1, wherein the first component becomes thinner toward end portions in a cross section. ### Claim 6 (depends on 1) The display panel according to claim 1, further comprising: a sealant, a first base, a second base, and a third region, wherein the sealant is positioned between the first base and the second base, wherein the second base comprises a region overlapping with the first base, wherein the first region comprises part of the overlapping region, wherein the second region comprises another part of the overlapping region, wherein the third region comprises the overlapping region, an end portion of the first base, the second base, and a second component, wherein the second component covers the end portion of the first base, and wherein the second component has lower moisture permeability than the sealant. ### Claim 7 (depends on 1) The display panel according to claim 1, further comprising: a pixel, wherein the pixel comprises a functional layer and a display element, wherein the functional layer comprises a pixel circuit, and wherein the pixel circuit is electrically connected to the display element. ### Claim 8 (depends on 1) The display panel according to claim 1, wherein the display region comprises a group of pixels, a different group of pixels, a scan line, and a signal line, wherein the group of pixels comprise the pixel, wherein the group of pixels are provided in a row direction, wherein the different group of pixels comprise the pixel, wherein the different group of pixels are provided in a column direction intersecting the row direction, wherein the scan line is electrically connected to the group of pixels, and wherein the signal line is electrically connected to the different group of pixels. ### Claim 9 (depends on 1) A display device comprising: the display panel according to claim 1 and a control portion, wherein the control portion is supplied with image data and control data, wherein the control portion generates data on the basis of the image data, wherein the control portion generates a control signal on the basis of the control data, wherein the control portion supplies the data and the control signal, and wherein the display panel is supplied with the data or the control signal. ### Claim 10 (depends on 1) An input/output device comprising: an input portion and a display portion, wherein the display portion comprises the display panel according to claim 1, wherein the input portion comprises a sensing region, wherein the input portion senses an object approaching the sensing region, and wherein the sensing region comprises a region overlapping with the pixel. ### Claim 11 (depends on 1) A data processing device comprising: an arithmetic device and an input/output device, wherein the arithmetic device is supplied with input data or sensing data, wherein the arithmetic device supplies control data and image data, wherein the input/output device supplies the input data and the sensing data, wherein the input/output device is supplied with the control data and the image data, wherein the input/output device comprises a display portion, an input portion, and a sensing portion, wherein the display portion comprises the display panel according to claim 1, wherein the display portion displays the image data on the basis of the control data, wherein the input portion generates the input data, and wherein the sensing portion generates the sensing data. ### Claim 12 (depends on 1) A data processing device comprising: one or more of a keyboard, a hardware button, a pointing device, a touch sensor, an illuminance sensor, an imaging device, an audio input device, an eye-gaze input device, and an attitude sensing device, and the display panel according to claim 1. ### Claim 13 A display panel comprising: a first region, a second region, and a display region, wherein the first region comprises part of the display region, wherein the second region comprises another part of the display region, wherein the second region is provided with a first component, wherein the second region is capable of being bent with the first component facing outward, wherein the first component comprises a first elastic body and a second elastic body, wherein the first elastic body and the second elastic body protrude outward from the second region in a direction away from the display region both when the second region is bent and when the second region is not bent, and wherein the second elastic body has a higher elastic modulus than the first elastic body. ### Claim 14 (depends on 13) The display panel according to claim 13, wherein the first component becomes thinner toward end portions of the first component in a cross section. ### Claim 15 (depends on 13) The display panel according to claim 13, wherein the second elastic body becomes narrower in a direction extending outward from the second region in a direction away from the display region when the second region is not bent. ### Claim 16 A display panel comprising: a first region, a second region, and a display region, wherein the first region comprises part of the display region, wherein the second region comprises another part of the display region, wherein the second region is provided with a first component, wherein the second region is capable of being bent with the first component facing outward, wherein the first component comprises a first elastic body and a second elastic body, wherein the second elastic body is a single protrusion extending outward from the second region in a direction away from the display region, wherein the single protrusion of the second elastic body is covered with the first elastic body, and wherein the second elastic body has a higher elastic modulus than the first elastic body. ### Claim 17 (depends on 16) The display panel according to claim 16, wherein the first component becomes thinner toward end portions of the first component in a cross section. ### Claim 18 (depends on 16) The display panel according to claim 16, wherein the second elastic body becomes narrower in a direction extending outward from the second region in a direction away from the display region when the second region is not bent.