# US 11,114,008 B2 · Display device and operating method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,114,008 B2 - Document ID: US11114008B2 - Status: Granted - Kind: B2 - Application number: 16/934,202 - Filed: 2020-07-21 - Published: 2021-01-28 - Granted: 2021-09-07 - Earliest claimed: 2019-07-25 - Assignees: Au Optronics Corporation - Applicants: Au Optronics Corporation - Inventors: Shuo-Wen Jang; Hsin-Lin Hu; Jui-Chi Lo - Web page: https://patentgrep.com/patent/US11114008B2 ## CPC - G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} - G09G 3/2085: {Special arrangements for addressing the individual elements of the matrix, other than by driving respective rows and columns in combination} - G09G 2300/08: Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements - G09G 2300/0804: Sub-multiplexed active matrix panel, i.e. wherein one active driving circuit is used at pixel level for multiple image producing elements - G09G 2310/0202: Addressing of scan or signal lines - G09G 2310/0235: Field-sequential colour display - G09G 2310/0275: Details of drivers for data electrodes, other than drivers for liquid crystal, plasma or OLED displays, not related to handling digital grey scale data or to communication of data to the pixels by means of a current - G09G 2310/0297: Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns - 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 display device is disclosed. The display device comprises: a plurality of data lines are configured to receive a plurality of data voltages from a source driver, wherein the source driver is disposed in a non-display area of the display device; and a first multiplex switch is disposed in a display area of the display device and configured in response to a first multiplex signal, to provide a first data voltage of the data voltages to a first data line of the data lines. ## Claims ### Claim 1 A display device, comprising: a plurality of data lines, configured to receive a plurality of data voltages from a source driver, wherein the source driver is disposed in a non-display area of the display device; a first multiplex switch disposed in a display area of the display device and configured in response to a first multiplex signal, to provide a first data voltage of the data voltages to a first data line of the data lines; and a plurality of data switches, respectively electrically connected between the data lines and a plurality of pixel electrodes for respectively providing the data voltages to the pixel electrodes; wherein, the first multiplex switch is located among the data switches. ### Claim 2 (depends on 1) The display device according to claim 1, further comprising: a second multiplex switch, configured in response to a second multiplex signal, to provide a second data voltage of the data voltages to a second data line. ### Claim 3 (depends on 2) The display device according to claim 2, wherein the first multiplex switch and the second multiplex switch are alternately turned on. ### Claim 4 (depends on 1) The display device according to claim 1, wherein the data switches are electrically connected to a plurality of gate lines, and wherein the first multiplex switch is located between adjacent two of the gate lines. ### Claim 5 (depends on 1) The display device according to claim 1, wherein the data switches are electrically connected to a plurality of gate lines, and a multiplex signal line configured to provide the first multiplex signal is located among the gate lines. ### Claim 6 A display device, comprising: a plurality of data lines, configured to receive a plurality of data voltages from a source driver, wherein the source driver is disposed in a non-display area of the display device; and a first multiplex switch disposed in a display area of the display device and configured in response to a first multiplex signal, to provide a first data voltage of the data voltages to a first data line of the data lines; and a data voltage transmission line substantially parallel to the data lines; wherein, the first multiplex switch is disposed between the data voltage transmission line and the first data line, and is configured to provide the first data voltage from the data voltage transmission line to the first data line. ### Claim 7 A display device, comprising: a plurality of data lines, configured to receive a plurality of data voltages from a source driver, wherein the source driver is disposed in a non-display area of the display device; and a first multiplex switch disposed in a display area of the display device and configured in response to a first multiplex signal, to provide a first data voltage of the data voltages to a first data line of the data lines; wherein the first multiplex switch is disposed between the first data line and a third data line of the data lines, and is configured to provide the first data voltage from the third data voltage line to the first data line. ### Claim 8 An operating method of a display device, comprising: providing a plurality of data voltages from a source driver, wherein the source driver is disposed in a non-display area of the display device; through a first multiplex switch disposed in a display area of the display device, providing a first data voltage of the data voltages to a first data line in response to a first multiplex signal; and through a plurality of data switches, the data voltages configured to respectively provide the data voltages to the plurality of pixel electrodes, wherein the first multiplex switch is located among the data switches. ### Claim 9 (depends on 8) The operating method according to claim 8, further comprising: through a second multiplex switch disposed in a display area of the display device, providing a second data voltage of the data voltage to a second data line in response to a second multiplex signal. ### Claim 10 (depends on 9) The operating method according to claim 9, wherein the first multiplex switch and the second multiplex switch are configured to provide the first data voltage alternately to the first data line and provide the second data voltage to the second data line. ### Claim 11 (depends on 8) The operating method according to claim 8, wherein the data switches are electrically connected to a plurality of gate lines, and wherein the first multiplex switch is located between adjacent two of the gate lines. ### Claim 12 (depends on 8) The operating method according to claim 8 further comprising: through a multiplex signal line, providing the first multiplex signal; wherein, the data switches are electrically connected to the plurality of gate lines, and the multiplex signal lines are located among the gate lines. ### Claim 13 An operating method of a display device, comprising: providing a plurality of data voltages from a source driver, wherein the source driver is disposed in a non-display area of the display device; and through a first multiplex switch disposed in a display area of the display device, providing a first data voltage of the data voltages to a first data line in response to a first multiplex signal; wherein the operation of providing the first data voltage to the first data line comprises: through the first multiplex switch, the first data voltage from a data voltage transmission line is provided to the first data line, wherein the data voltage transmission line is substantially parallel to the data lines, and the first multiplex switch is disposed between the data voltage transmission line and the first data line. ### Claim 14 An operating method of a display device, comprising: providing a plurality of data voltages from a source driver, wherein the source driver is disposed in a non-display area of the display device; and through a first multiplex switch disposed in a display area of the display device, providing a first data voltage of the data voltages to a first data line in response to a first multiplex signal; wherein the operation of providing the first data voltage to the first data line comprises: through the first multiplex switch, the first data voltage from a third data line of the data lines is provided to the first data line, wherein the first multiplex switch is disposed between the first data line and the third data line. ### Claim 15 A display device comprising: a plurality of data lines disposed substantially parallel to each other; a plurality of gate lines disposed substantially parallel to each other; a plurality of data switches respectively electrically connected between the data lines and a plurality of pixel electrodes, and configured to be turned on according to a plurality of gate signals provided by the gate lines; and a plurality of multiplex switches disposed in a display area of the display device for respectively providing a plurality of data voltages to different ones of the data lines. ### Claim 16 (depends on 15) The display device according to claim 15, further comprising: a data voltage transmission line substantially parallel to the data lines; wherein, the multiplex switches are respectively electrically connected between the data voltage transmission line and the data lines, and respectively configured to provide the data voltages from the data voltage transmission lines to different ones of the data lines. ### Claim 17 (depends on 15) The display device according to claim 15, wherein the multiplex switches are respectively electrically connected between the data lines to provide a first part of the data voltages from a first one of the data lines to a second one of the data lines, and to provide a second part of the data voltages from the first one of the data lines to a third one of the data lines. ### Claim 18 (depends on 15) The display device according to claim 15, wherein one of the multiplex switches is disposed between two adjacent data lines and two adjacent the gate lines.