# US 11,114,064 B2 · Display device and driving method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,114,064 B2 - Document ID: US11114064B2 - Status: Granted - Kind: B2 - Application number: 17/069,959 - Filed: 2020-10-14 - Published: 2021-07-08 - Granted: 2021-09-07 - Earliest claimed: 2020-01-02 - Assignees: Au Optronics Corporation - Applicants: AU Optronics Corporation - Inventors: Kuan-Hsun Chen; Yu-Sheng Huang - Web page: https://patentgrep.com/patent/US11114064B2 ## CPC - G09G 5/10: Intensity circuits - 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 2300/0426: Layout of electrodes and connections - G09G 2320/0233: Improving the luminance or brightness uniformity across the screen - G09G 2320/0626: for control of overall brightness - G09G 2370/16: Use of wireless transmission of display information - 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 includes a pixel circuit and receiving antenna units. The pixel circuit is disposed in the active area, and the pixel circuit includes pixel units. The receiving antenna units are electrically connected to the pixel circuit. The receiving antenna units include a first receiving antenna unit and a second receiving antenna unit. The first receiving antenna unit is configured to provide a first data signal to the pixel units in a first part, and the pixel units in the first part are configured to illuminate at a first brightness. The second receiving antenna unit is configured to provide a second data signal to the pixel units in a second part, and the pixel units in the second part are configured to illuminate at a second brightness. ## Claims ### Claim 1 A display device, comprising: a pixel circuit disposed on an active area, wherein the pixel circuit comprises a plurality of pixel units; and a plurality of receiving antenna units electrically coupled to the pixel circuit, wherein the receiving antenna units comprise: a first receiving antenna unit, configured to provide a first data signal to the pixel units in a first part for driving the pixel units in the first part to illuminate at a first brightness; and a second receiving antenna unit, configured to provide a second data signal to the pixel units in a second part for driving the pixel units in a second part to illuminate at a second brightness; wherein, during a first frame, a first phase difference exists between the first data signal and the second data signal, the pixel units in the first part are configured to illuminate at the first brightness according to the first data signal with the first phase difference, the pixel units in the second part are configured to illuminate at the second brightness according to the second data signal with the first phase difference. ### Claim 2 (depends on 1) The display device of claim 1, wherein, during a second frame, a second phase difference exists between the first data signal and the second data signal, the pixel units in the first part are configured to illuminate at a third brightness according to the first data signal with the second phase difference, the pixel units in the second part are configured to illuminate at a fourth brightness according to the second data signal with the second phase difference. ### Claim 3 (depends on 2) The display device of claim 2, wherein an average value of the first brightness and the third brightness is regarded as a brightness reference value, wherein an average value between the second brightness and the fourth brightness equals to the brightness reference value. ### Claim 4 (depends on 2) The display device of claim 2, wherein, during a third frame, a third phase difference exists between the first data signal and the second data signal, the pixel units in the first part are configured to illuminate at a fifth brightness according to the first data signal with the third phase difference, the pixel units in the second part are configured to illuminate at a sixth brightness according to the second data signal with the third phase difference. ### Claim 5 (depends on 4) The display device of claim 4, wherein, during a fourth frame, a fourth phase difference exists between the first data signal and the second data signal, the pixel units in the first part are configured to illuminate at a seventh brightness according to the first data signal with the fourth phase difference, the pixel units in the second part are configured to illuminate at an eighth brightness according to the second data signal with the fourth phase difference. ### Claim 6 (depends on 5) The display device of claim 5, wherein an average value of the first brightness, the third brightness, the fifth brightness and the seventh brightness is regarded a brightness reference value, and an average value of the second brightness, the fourth brightness, the sixth brightness and the eighth brightness equals to the brightness reference value. ### Claim 7 (depends on 1) The display device of claim 1, wherein the pixel units in the first part are adjacent to the pixel units in the second part. ### Claim 8 (depends on 1) The display device of claim 1, further comprising: a plurality of emission antenna units, comprising: a first emission antenna unit, configured to provide the first data signal to the first receiving antenna unit; and a second emission antenna unit, configured to provide the second data signal to the second receiving antenna unit. ### Claim 9 A display device, comprising: a pixel circuit disposed on an active area, wherein the pixel circuit comprises a plurality of pixel units; and a plurality of receiving antenna units electrically coupled to the pixel circuit, wherein the receiving antenna units comprise: a first receiving antenna unit configured to provide a first data signal to a first pixel unit of the pixel units in a first part, for driving the first pixel unit to illuminate at a first brightness; and a second receiving antenna unit, configured to provide a second data signal to a second pixel unit of the pixel units in a second part, for driving the second pixel unit to illuminate at a second brightness; wherein, during a first frame, a first phase difference exists between the first data signal and the second data signal, the first pixel unit is configured to illuminate at the first brightness according to the first data signal with the first phase difference, the second pixel unit is configured to illuminate at the second brightness according to the second data signal with the first phase difference. ### Claim 10 (depends on 9) The display device of claim 9, wherein, during a second frame, a second phase difference exists between the first data signal and the second data signal, the first pixel unit is configured to illuminate at a third brightness according to first data signal with the second phase difference, the second pixel unit is configured to illuminate at a fourth brightness according to the second data signal with the second phase difference. ### Claim 11 (depends on 10) The display device of claim 10, wherein an average value of the first brightness and the third brightness is regarded as a brightness reference value, an average value of the second brightness and the fourth brightness equals to the brightness reference value. ### Claim 12 (depends on 10) The display device of claim 10, wherein, during a third frame, a third phase difference exists between the first data signal and the second data signal, the first pixel unit is configured to illuminate at a fifth brightness according to the first data signal with the third phase difference, the second pixel unit is configured to illuminate at a sixth brightness according to the second data signal with the third phase difference. ### Claim 13 (depends on 12) The display device of claim 12, wherein during a fourth frame, a fourth phase difference exists between the first data signal and the second data signal, the first pixel unit is configured to illuminate at a seventh brightness according to the first data signal with the fourth phase difference, the second pixel unit is configured to illuminate at an eighth brightness according to the second data signal with the fourth phase difference. ### Claim 14 (depends on 13) The display device of claim 13, wherein an average value of the first brightness, the third brightness, the fifth brightness and the seventh brightness is regarded as a brightness reference value, and an average value of the second brightness, the fourth brightness, the sixth brightness and the eighth brightness equals to the brightness reference value. ### Claim 15 (depends on 9) The display device of claim 9, wherein the pixel units in the first part are adjacent to the pixel units in the second part. ### Claim 16 (depends on 9) The display device of claim 9, further comprising: a plurality of emission antenna units, comprising: a first emission antenna unit, configured to provide the first data signal to the first receiving antenna unit; and a second emission antenna unit, configured to provide the second data signal to the second receiving antenna unit. ### Claim 17 A driving method, suitable for a display device, the driving method comprising: providing a first data signal by a first receiving antenna unit to a plurality of pixel units in a first part; providing a second data signal by a second receiving antenna unit to a plurality of pixel units in a second part; and wherein, during a first frame, a first phase difference exists between the first data signal and the second data signal, the pixel units in the first part are configured to illuminate at the first brightness according to the first data signal with the first phase difference, the pixel units in the second part are configured to illuminate at the second brightness according to the second data signal with the first phase difference. ### Claim 18 (depends on 17) The driving method of claim 17, wherein, during a second frame, a second phase difference exists between the first data signal and the second data signal, the pixel units in the first part are configured to illuminate at a third brightness according to the first data signal with the second phase difference, the plurality of pixel units in the second part are configured to illuminate at a fourth brightness according to the second data signal with the second phase difference. ### Claim 19 (depends on 18) The driving method of claim 18, wherein an average value of the first brightness and the third brightness is regarded as a brightness reference value, and an average of the second brightness and the fourth brightness equals to the brightness reference value. ### Claim 20 (depends on 18) The driving method of claim 18, wherein, during a third frame, a third phase difference exists between the first data signal and the second data signal, the pixel units in the first part are configured to illuminate at a fifth brightness according to the first data signal with the third phase difference, the pixel units in the second part are configured to illuminate at a sixth brightness according to the second data signal with the third phase difference. ### Claim 21 (depends on 20) The driving method of claim 20, wherein, during a fourth frame, a fourth phase difference exists between the first data signal and the second data signal, wherein the pixel units in the first part are configured to illuminate at a seventh brightness according to the first data signal with the fourth phase difference, the pixel units in the second part are configured to illuminate at an eighth brightness according to the second data signal with the fourth phase difference. ### Claim 22 (depends on 21) The driving method of claim 21, wherein an average value of the first brightness, the third brightness, the fifth brightness and the seventh brightness is regarded as a brightness reference value, and an average value of the second brightness, the fourth brightness, the sixth brightness and the eighth brightness equals to the brightness reference value.