# US 2014/0152930 A1 · Pixel Structure that Increases Response Speed of Liquid Crystal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0152930 A1 - Document ID: US20140152930A1 - Status: Published application - Kind: A1 - Application number: 13/699,726 - Filed: 2012-08-23 - Published: 2014-06-05 - Earliest claimed: 2012-08-10 - Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd. - Applicants: Shenzhen China Star Optoelectronics Technology Co. Ltd. - Inventors: Chiachiang Lin; Hunglung Hou - Web page: https://patentgrep.com/patent/US20140152930A1 ## CPC - G02F 1/13624: {having more than one switching element per pixel} - G02F 1/134363: {for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]} - G02F 1/13454: {Drivers integrated on the active matrix substrate (G02F1/136277 takes precedence)} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - G09G 3/3607: {for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels (display of colours in flat matrix panels other than liquid crystal displays G09G3/2003; grey scales specific for television H04N3/127)} - G09G 3/3611: {Control of matrices with row and column drivers} - G09G 3/3659: {the addressing of the pixel involving the control of two or more scan electrodes or two or more data electrodes, e.g. pixel voltage dependant on signal of two data electrodes} - G02F 1/133397: {for suppressing after-image or image-sticking} - G02F 1/134381: {Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates} - G09G 2300/043: Compensation electrodes or other additional electrodes in matrix displays related to distortions or compensation signals, e.g. for modifying TFT threshold voltage in column driver - G09G 2320/0252: Improving the response speed - 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 The present invention provides a pixel structure that increases response speed of liquid crystal, which includes a first thin-film transistor, a second thin-film transistor, an upper substrate, a lower substrate opposite to the upper substrate, pixel electrodes arranged on the lower substrate, a common electrode arranged on the upper substrate, and assisting electrodes arranged on the lower substrate. The assisting electrodes are arranged to be each sandwiched between every two pixel electrodes. The first thin-film transistor includes a first drain terminal, a first source terminal, and a first gate terminal. The second thin-film transistor includes a second drain terminal, a second source terminal, and a second gate terminal. The pixel electrodes are electrically connected to the second drain terminal. The assisting electrodes are electrically connected to the first drain terminal. ## Claims ### Claim 1 A pixel structure that increases response speed of liquid crystal, comprising a first thin-film transistor, a second thin-film transistor, an upper substrate, a lower substrate opposite to the upper substrate, pixel electrodes arranged on the lower substrate, a common electrode arranged on the upper substrate, and assisting electrodes arranged on the lower substrate, the assisting electrodes being arranged to be each sandwiched between every two pixel electrodes, the first thin-film transistor comprising a first drain terminal, a first source terminal, and a first gate terminal, the second thin-film transistor comprising a second drain terminal, a second source terminal, and a second gate terminal, the pixel electrodes being electrically connected to the second drain terminal, the assisting electrodes being electrically connected to the first drain terminal. ### Claim 2 (depends on 1) The pixel structure that increases response speed of liquid crystal as claimed in claim 1, wherein the first and second thin-film transistors control the pixel electrodes and the assisting electrodes in such a way that a predetermined voltage difference exists therebetween in a predetermined period of time. ### Claim 3 (depends on 1) The pixel structure that increases response speed of liquid crystal as claimed in claim 1 further comprising a first source driver, a first gate driver, a second source driver, and a second gate driver, the first source driver being electrically connected to the first source terminal of the first thin-film transistor, the second source driver being electrically connected to the second source terminal of the second thin-film transistor, the first gate driver being electrically connected to the first gate terminal of the first thin-film transistor, the second gate driver being electrically connected to the second gate terminal of the second thin-film transistor. ### Claim 4 (depends on 1) The pixel structure that increases response speed of liquid crystal as claimed in claim 1, wherein the pixel electrodes comprise a first connection substrate, the pixel electrodes being arranged on the first connection substrate in a comb-like distribution. ### Claim 5 (depends on 1) The pixel structure that increases response speed of liquid crystal as claimed in claim 1, wherein the assisting electrodes comprise a second connection substrate, the assisting electrodes being arranged on the second connection substrate in a comb-like distribution. ### Claim 6 (depends on 1) The pixel structure that increases response speed of liquid crystal as claimed in claim 1, wherein the assisting electrodes and the pixel electrodes are arranged to alternate each other. ### Claim 7 (depends on 6) The pixel structure that increases response speed of liquid crystal as claimed in claim 6, wherein every two of the pixel electrodes sandwich therebetween one of the assisting electrodes. ### Claim 8 (depends on 6) The pixel structure that increases response speed of liquid crystal as claimed in claim 6, wherein every two of the assisting electrodes sandwich therebetween two of the pixel electrodes. ### Claim 9 (depends on 1) The pixel structure that increases response speed of liquid crystal as claimed in claim 1 further comprising a liquid crystal layer arranged between the upper and lower substrates. ### Claim 10 A pixel structure that increases response speed of liquid crystal, comprising a first thin-film transistor, a second thin-film transistor, an upper substrate, a lower substrate opposite to the upper substrate, pixel electrodes arranged on the lower substrate, a common electrode arranged on the upper substrate, and assisting electrodes arranged on the lower substrate, the assisting electrodes being arranged to be each sandwiched between every two pixel electrodes, the first thin-film transistor comprising a first drain terminal, a first source terminal, and a first gate terminal, the second thin-film transistor comprising a second drain terminal, a second source terminal, and a second gate terminal, the pixel electrodes being electrically connected to the second drain terminal, the assisting electrodes being electrically connected to the first drain terminal; wherein the first and second thin-film transistors control the pixel electrodes and the assisting electrodes in such a way that a predetermined voltage difference exists therebetween in a predetermined period of time; further comprising a first source driver, a first gate driver, a second source driver, and a second gate driver, the first source driver being electrically connected to the first source terminal of the first thin-film transistor, the second source driver being electrically connected to the second source terminal of the second thin-film transistor, the first gate driver being electrically connected to the first gate terminal of the first thin-film transistor, the second gate driver being electrically connected to the second gate terminal of the second thin-film transistor; wherein the pixel electrodes comprise a first connection substrate, the pixel electrodes being arranged on the first connection substrate in a comb-like distribution; wherein the assisting electrodes comprise a second connection substrate, the assisting electrodes being arranged on the second connection substrate in a comb-like distribution; wherein the assisting electrodes and the pixel electrodes are arranged to alternate each other; wherein every two of the pixel electrodes sandwich therebetween one of the assisting electrodes; and further comprising a liquid crystal layer arranged between the upper and lower substrates.