# US 8,570,478 B2 · Liquid crystal display panel and manufacturing method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,570,478 B2 - Document ID: US8570478B2 - Status: Granted - Kind: B2 - Application number: 12/788,303 - Filed: 2010-05-27 - Published: 2011-09-29 - Granted: 2013-10-29 - Earliest claimed: 2010-05-27 - Assignees: Chimei Innolux Corporation - Applicants: Charles Chien; Shang-Yu Huang; Tsau-Hua Hsieh; Hung-Sheng Cho - Inventors: Charles Chien; Shang-Yu Huang; Tsau-Hua Hsieh; Hung-Sheng Cho - Web page: https://patentgrep.com/patent/US8570478B2 ## CPC - G02F 1/133784: {by rubbing} - G02F 1/133308: {Support structures for LCD panels, e.g. frames or bezels} - G02F 1/133345: {Insulating layers (G02F1/1335, G02F1/1337, G02F1/135, G02F1/136 take precedence)} - G02F 1/13439: {characterised by their electrical, optical, physical properties; materials therefor; method of making} - G02F 1/13452: {Conductors connecting driver circuitry and terminals of panels} - 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)} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/60: wherein the TFTs are in active matrices - H10H 20/813: having a plurality of light-emitting regions, e.g. multi-junction LEDs or light-emitting devices having photoluminescent regions within the bodies - G02F 1/13629: {Multilayer wirings} - G02F 2203/28: focussing or defocussing - 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 - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS ## Abstract A liquid crystal display panel includes a substrate, a thin film transistor array, a circuit, and a dummy circuit. One surface of the substrate is divided into a display region and a wiring region. The thin film transistor array is formed on the display region. The circuit and the dummy circuit are formed on the wiring region, the dummy circuit is adjacent to the circuit, and the circuit and the dummy circuit protrude from the substrate. ## Claims ### Claim 1 A liquid crystal display panel, comprising: a substrate comprising a surface divided into a display region and a wiring region located outside of the display region; a thin film transistor array formed on the display region; a plurality of first circuits formed on the wiring region and adjacent to a first edge of the display region, wherein the first circuits transmits signals to the thin film transistor array; and a plurality of first support structures formed on the wiring region and adjacent to the first circuits and the first edge of the display region, wherein the first support structures are formed in an area without the first circuits, and the first circuits are arranged alternately with the first support structures, and the at least one first support structure is a first dummy circuit. ### Claim 2 (depends on 1) The liquid crystal display panel of claim 1, wherein the first circuits and the first support structures protrude from the substrate. ### Claim 3 (depends on 2) The liquid crystal display panel of claim 2, wherein a thickness of the first circuits protruding from the substrate is substantially equal to a thickness of the first support structures. ### Claim 4 (depends on 3) The liquid crystal display panel of claim 3, further comprising at least one second circuit and at least one second support structure formed on the wiring region and adjacent to a second edge of the display region, wherein the first edge of the display region is next to the second edge of the display region, and the at least one second support structure is formed in another area without the at least one second circuit. ### Claim 5 (depends on 4) The liquid crystal display panel of claim 4, wherein the at least one second circuit and the at least one second support structure protrude from the substrate. ### Claim 6 (depends on 5) The liquid crystal display panel of claim 5, wherein a thickness of the at least one second circuit protruding from the substrate is substantially equal to a thickness of the at least one second support structure. ### Claim 7 (depends on 6) The liquid crystal display panel of claim 6, wherein the thicknesses of the first circuits and the first support structures protruding from the substrate is substantially equal to the thicknesses of the at least one second circuit and the at least one second support structure. ### Claim 8 (depends on 4) The liquid crystal display panel of claim 4, wherein the at least one second circuit comprises a second pattern formed on the substrate, a second insulation layer formed on the second pattern, and a second conduction layer formed on the second insulation layer; the at least one second support structure comprises a second dummy pattern formed on the substrate, a second dummy insulation layer formed on the second dummy pattern, and a second dummy conduction layer formed on the second dummy insulation layer. ### Claim 9 (depends on 8) The liquid crystal display panel of claim 8, wherein a material of the second dummy conduction layer and the second dummy conduction layer comprises indium tin oxide. ### Claim 10 (depends on 4) The liquid crystal display panel of claim 4, wherein the at least one second support structure is a second dummy circuit. ### Claim 11 (depends on 1) The liquid crystal display panel of claim 1, wherein each of the first circuit comprises a first pattern formed on the substrate, a first insulation layer formed on the first pattern, and a first conduction layer formed on the first insulation layer; each of the first support structure comprises a first dummy pattern formed on the substrate, a first dummy insulation layer formed on the first dummy pattern, and a first dummy conduction layer formed on the first dummy insulation layer. ### Claim 12 (depends on 11) The liquid crystal display panel of claim 11, wherein a material of the first conduction layer and the first dummy conduction layer comprises indium tin oxide. ### Claim 13 (depends on 1) The liquid crystal display panel of claim 1, further comprising an alignment film covered on the first circuits and the first support structures. ### Claim 14 (depends on 1) The liquid crystal display panel of claim 1, wherein the first circuits and the first support structures are arrayed in a line.