# US 2021/0341809 A1 · 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 2021/0341809 A1 - Document ID: US20210341809A1 - Status: Published application - Kind: A1 - Application number: 17/266,795 - Filed: 2019-08-08 - Published: 2021-11-04 - Earliest claimed: 2018-08-23 - Assignees: Semiconductor Energy Laboratory Co., Ltd. - Applicants: Semiconductor Energy Laboratory Co., Ltd. - Inventors: Shunpei YAMAZAKI; Tetsuji ISHITANI - Web page: https://patentgrep.com/patent/US20210341809A1 ## CPC - G02F 1/13336: {Combining plural substrates to produce large-area displays, e.g. tiled displays} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/13756: {the liquid crystal selectively assuming a light-scattering state (G02F1/1334, G02F1/13718 take precedence)} - G02F 1/13775: {Polymer-stabilized liquid crystal layers} - G09G 3/3688: {suitable for active matrices only} - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - 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) ## Abstract A novel display panel that is highly convenient or reliable is provided. The display panel includes a first display area, a second display area, a first margin area, and a second margin area. The second display area is arranged continuously with the first display area; the first margin area is adjacent to the first display area; the second margin area is adjacent to the second display area; and the second margin area faces the first margin area. The first display area includes a pixel; the pixel includes a pixel circuit and a display element; the display element is electrically connected to the pixel circuit; and the display element has a function of transmitting or scattering incident light. ## Claims ### Claim 1 A display panel comprising: a first display area; a second display area; a first margin area; and a second margin area, wherein the second display area is arranged continuously with the first display area, wherein the first margin area is adjacent to the first display area, wherein the second margin area is adjacent to the second display area, wherein the second margin area faces the first margin area, wherein the first display area comprises a pixel, wherein the pixel comprises a pixel circuit and a display element, wherein the display element is electrically connected to the pixel circuit, and wherein the display element is configured to transmit or scatter incident light. ### Claim 2 (depends on 1) The display panel according to claim 1, wherein the display element comprises a first electrode, a second electrode, a layer containing a liquid crystal material, a first alignment film, and a second alignment film, wherein the first alignment film comprises a region positioned between the first electrode and the layer containing a liquid crystal material, wherein the second alignment film comprises a region positioned between the second electrode and the layer containing a liquid crystal material, wherein the second electrode is arranged so that an electric field crossing the layer containing a liquid crystal material is formed between the first electrode and the second electrode, wherein the layer containing a liquid crystal material scatters the incident light with a first scattering intensity when the electric field is in a first state, wherein the layer containing a liquid crystal material scatters the incident light with a second scattering intensity when the electric field is in a second state where the electric field is stronger than that in the first state, wherein the second scattering intensity is higher than the first scattering intensity, wherein the layer containing a liquid crystal material contains a liquid crystal material and a high molecular material, wherein the layer containing a liquid crystal material is stabilized with the high molecular material, wherein the high molecular material is a copolymer of a polyfunctional monomer and a monofunctional monomer, wherein the polyfunctional monomer has a phenyl benzoate skeleton, and wherein the monofunctional monomer has a cyclohexylbenzene skeleton. ### Claim 3 (depends on 2) The display panel according to claim 2, wherein the second scattering intensity is 10 times or more the first scattering intensity. ### Claim 4 (depends on 1) The display panel according to claim 1, wherein the first display area comprises a group of pixels, a different group of pixels, a scan line, and a signal line, wherein the group of pixels comprises the pixel, wherein the group of pixels is arranged in a row direction, wherein the different group of pixels comprises the pixel, wherein the different group of pixels is arranged 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 5 (depends on 1) A display device comprising: the display panel according to claim 1; and a control unit, wherein image data and control data are supplied to the control unit, wherein the control unit generates data on the basis of the image data, wherein the control unit generates a control signal on the basis of the control data, wherein the control unit supplies the data and the control signal, wherein the data and the control signal are supplied to the display panel, wherein the display panel comprises a driver circuit, wherein the driver circuit operates on the basis of the control signal, and wherein the pixel performs display on the basis of the data.