# US 8,570,475 B2 · Array substrate, liquid crystal panel and liquid crystal display > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,570,475 B2 - Document ID: US8570475B2 - Status: Granted - Kind: B2 - Application number: 13/220,857 - Filed: 2011-08-30 - Published: 2012-03-01 - Granted: 2013-10-29 - Earliest claimed: 2010-08-31 - Assignees: Boe Technology Group Co., Ltd.; Chengdu Boe Optoelectronics Technology Co., Ltd. - Applicants: Kun Li; Minghua Xuan; Young Yik Ko - Inventors: Kun Li; Minghua Xuan; Young Yik Ko - Web page: https://patentgrep.com/patent/US8570475B2 ## CPC - H10D 86/00: Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates - G02F 1/133707: {Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/134318: {having a patterned common electrode} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/60: wherein the TFTs are in active matrices - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - 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 ## Abstract An array substrate is provided. The array substrate comprises a base substrate. A plurality of gate lines, a plurality of data lines, and a common electrode are formed on the base substrate. A plurality of pixel units are defined by the intersecting of the gate lines and the data lines, a pixel electrode is provided in each of the pixel units, the common electrode extends over the pixel units and overlaps the pixel units, and also the common electrode overlaps with the gate lines and the data lines, and an overlapping region slit is provided in the common electrode for each pixel unit in an overlapping region between the common electrode and one of the gate lines and data lines surrounding the pixel unit. Also, a liquid crystal panel and a liquid crystal display comprising an array substrate are also provided. ## Claims ### Claim 1 An array substrate comprising: a base substrate, and a plurality of gate lines, a plurality of data lines, and a common electrode formed on the base substrate, wherein a plurality of pixel units are defined by the intersecting of the gate lines and the data lines, a pixel electrode is provided in each of the pixel units, the common electrode extends over the pixel units and overlaps the pixel units, also the common electrode overlaps with the gate lines and the data lines, and an overlapping region slit is provided in the common electrode for each pixel unit in an overlapping region between the common electrode and one of the gate lines and data lines surrounding the pixel unit, and wherein more than one overlapping region slits are provided in the overlapping region on one side of the pixel unit, and these overlapping region slits are parallel to each other and parallel to the corresponding gate line or data line. ### Claim 2 (depends on 1) The array substrate according to claim 1, wherein the width of the overlapping region slit is smaller than that of the overlapped gate line or data line. ### Claim 3 (depends on 1) The array substrate according to claim 1, wherein the width of the overlapping region slit is equal to that of the overlapped gate line or data line. ### Claim 4 (depends on 1) The array substrate according to claim 1, wherein the width of the overlapping region slit is larger than that of the overlapped gate line or data line. ### Claim 5 (depends on 1) The array substrate according to claim 1, wherein the common electrode is provided over and overlaps with the pixel electrode of each pixel unit, and pixel unit slits are provided in the common electrode in the overlapping region between the common electrode and the pixel electrode of the pixel unit. ### Claim 6 (depends on 5) The array substrate according to claim 5, wherein the pixel unit slits comprises a plurality of strip-like slits. ### Claim 7 (depends on 1) The array substrate according to claim 1, wherein the common electrode is formed of a transparent conductive material. ### Claim 8 (depends on 1) The array substrate according to claim 1, wherein overlapping regions slits are provided in each of the overlapping regions between the common electrode and gate lines and data lines surrounding each pixel unit. ### Claim 9 (depends on 8) The array substrate according to claim 8, wherein the overlapping region slits for each pixel unit are independent to each other. ### Claim 10 A liquid crystal panel, comprising: an array substrate, a color filter substrate, and a liquid crystal layer sandwiched between the array substrate and the color filter substrate, wherein the array substrate comprises a base substrate, and a plurality of gate lines, a plurality of data lines, and a common electrode formed on the base substrate, wherein a plurality of pixel units are defined by the intersecting of the gate lines and the data lines, a pixel electrode is provided in each of the pixel units, the common electrode extends over the pixel units and overlaps the pixel units, and also the common electrode overlaps with the gate lines and the data lines, and an overlapping region slit is provided in the common electrode for each pixel unit in an overlapping region between the common electrode and one of the gate lines and data lines surrounding the pixel unit, and wherein more than one overlapping region slits are provided in the overlapping region on one side of the pixel unit, and these overlapping region slits are parallel to each other and parallel to the corresponding gate line or data line. ### Claim 11 (depends on 10) The liquid crystal panel according to claim 10, wherein a black matrix is provided on the color filter substrate and the length of the black matrix is provided to be able to block the light passing through the slit. ### Claim 12 A liquid crystal display comprising: an external house, a liquid crystal panel comprising an array substrate, a driving circuit, and a backlight module, wherein the array substrate comprises a base substrate, and a plurality of gate lines, a plurality of data lines, and a common electrode formed on the base substrate, wherein a plurality of pixel units are defined by the intersecting of the gate lines and the data lines, a pixel electrode is provided in each of the pixel units, the common electrode extends over the pixel units and overlaps the pixel units, and also the common electrode overlaps with the gate lines and the data lines, and an overlapping region slit is provided in the common electrode for each pixel unit in an overlapping region between the common electrode and one of the gate lines and data lines surrounding the pixel unit, and wherein more than one overlapping region slits are provided in the overlapping region on one side of the pixel unit, and these overlapping region slits are parallel to each other and parallel to the corresponding gate line or data line.