# US 10,120,503 B2 · Display device and method of driving the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,120,503 B2 - Document ID: US10120503B2 - Status: Granted - Kind: B2 - Application number: 15/488,645 - Filed: 2017-04-17 - Published: 2017-11-02 - Granted: 2018-11-06 - Earliest claimed: 2016-05-02 - Assignees: Japan Display Inc. - Applicants: Japan Display Inc. - Inventors: Takafumi Suzuki; Yasuyuki Teranishi - Web page: https://patentgrep.com/patent/US10120503B2 ## CPC - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/041662: {using alternate mutual and self-capacitive scanning} - G06F 3/0418: {for error correction or compensation, e.g. based on parallax, calibration or alignment} - G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G09G 3/3648: {using an active matrix (G09G3/367 - G09G3/3696 take precedence)} - G09G 3/3611: {Control of matrices with row and column drivers} - G09G 2354/00: Aspects of interface with display user - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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 According to one embodiment, a display device includes drive electrodes, sensing electrodes, a driver, a first sensor circuit, and a second sensor circuit, wherein the drive electrodes include first drive electrodes and second drive electrodes which are arranged between the adjacent first drive electrodes, and a first width of the first drive electrodes in a first direction is an integer multiple of a second width of the second drive electrodes in the first direction. ## Claims ### Claim 1 A display device comprising: drive electrodes which are arranged side by side in a first direction; sensing electrodes which produce capacitance between the drive electrodes and the sensing electrodes; a driver which supplies either a first drive signal or a second drive signal to the drive electrodes; a first sensor circuit which senses an object in contact with or in proximity to a sensing area based on first sensing signals which are obtained from the sensing electrodes in response to the first drive signal; and a second sensor circuit which senses the object in contact with or in proximity to the sensing area based on second sensing signals which are obtained from the drive electrodes in response to the second drive signal, wherein the drive electrodes include first drive electrodes and second drive electrodes, wherein the second drive electrodes are arranged between the first drive electrodes which are adjacent to each other, and wherein a first width of the first drive electrodes in the first direction is an integer multiple of a second width of the second drive electrodes in the first direction. ### Claim 2 (depends on 1) The display device of claim 1, wherein the number of the second drive electrodes which are arranged between the adjacent first drive electrodes is two, and the first width is twice the second width. ### Claim 3 (depends on 2) The display device of claim 2, wherein the driver sequentially supplies the first drive signal to a plurality of first blocks of the drive electrodes, each of the first blocks including a first predetermined number of drive electrodes which are successively arranged in the first direction, and simultaneously supplies the second drive signal to a plurality of second blocks of the drive electrodes, each of the second blocks including a second predetermined number of drive electrodes which are successively arranged in the first direction, and center lines of the first blocks in the first direction are aligned with center lines of the second blocks in the first direction, respectively. ### Claim 4 (depends on 3) The display device of claim 3, wherein the adjacent first blocks share the same second drive electrodes with each other. ### Claim 5 A driving method of a display device comprising: providing the display device including drive electrodes which are arranged side by side in a first direction; sensing electrodes which produce capacitance between the drive electrodes and the sensing electrodes; a driver which supplies either a first drive signal or a second drive signal to the drive electrodes; a first sensor circuit which senses an object in contact with or in proximity to a sensing area based on first sensing signals which are obtained from the sensing electrodes in response to the first drive signal; and a second sensor circuit which senses the object in contact with or in proximity to the sensing area based on second sensing signals which are obtained from the drive electrodes in response to the second drive signal, wherein the drive electrodes include first drive electrodes and second drive electrodes, wherein the second drive electrodes are arranged between the first drive electrodes which are adjacent to each other, and wherein a first width of the first drive electrodes in the first direction is an integer multiple of a second width of the second drive electrodes in the first direction; sequentially supplying the first drive signal to a plurality of first blocks of the drive electrodes, each of the first blocks including a first predetermined number of drive electrodes which are successively arranged in the first direction; simultaneously supplying the second drive signal to a plurality of second blocks of the drive electrodes, each of the second blocks including a second predetermined number of drive electrodes which are successively arranged in the first direction; and aligning center lines of the first blocks in the first direction with center lines of the second blocks in the first direction, respectively. ### Claim 6 (depends on 5) The driving method of claim 5, wherein the number of the second drive electrodes which are arranged between the adjacent first drive electrodes is two, and the first width is twice the second width. ### Claim 7 (depends on 6) The driving method of claim 6, wherein the adjacent first blocks share the same second drive electrodes with each other.