# US 7,466,387 B2 · Integrated circuit and display device including integrated circuit > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,466,387 B2 - Document ID: US7466387B2 - Status: Granted - Kind: B2 - Application number: 10/638,272 - Filed: 2003-08-07 - Published: 2004-07-15 - Granted: 2008-12-16 - Earliest claimed: 2002-08-07 - Assignees: Samsung Electronics Co., Ltd. - Inventors: Sang-Soo Kim; Seung-Hwan Moon - Web page: https://patentgrep.com/patent/US7466387B2 ## CPC - G09G 3/3611: {Control of matrices with row and column drivers} - G02F 1/1345: Conductors connecting electrodes to cell terminals - G09G 2300/0426: Layout of electrodes and connections - G09G 2320/0223: Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes - 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) - 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 A display device includes a plurality of signal lines having different length, and a driving circuit for supplying signals to the signal lines. Each signal line includes a connecting portion, and the driving circuit includes a plurality of output terminals electrically connected to the connecting portions of the signal lines and a plurality of resistors connected to the output terminals. The resistors have resistance depending on length of the signal lines connected thereto. ## Claims ### Claim 1 A display device comprising: a plurality of signal lines, at least some of the signal lines having different lengths than other signal lines, each signal line including a connecting portion; and a driving integrated circuit for supplying signals to the signal lines, the driving integrated circuit including a plurality of output terminals arranged in a line, said output terminals being electrically coupled to the connecting portions of the signal lines, and a plurality of resistors coupled to the output terminals, wherein the resistors coupled to the output terminals near the center of the line have a greater resistance than the resistors coupled to the output terminals at the ends of the line and each of the plurality of resistors has a resistance depending on a length of a signal line coupled thereto. ### Claim 2 (depends on 1) The display device of claim 1, wherein the resistance of the resistors coupled to relatively long signal lines is less than the resistance of resistors coupled to relatively short signal lines. ### Claim 3 (depends on 1) The display device of claim 1, wherein a sum of the resistance of each resistor and the resistance of the signal line coupled thereto is substantially uniform. ### Claim 4 (depends on 2) The display device of claim 2, wherein the signal lines are arranged like a fan near the connecting portions. ### Claim 5 (depends on 4) The display device of claim 4, wherein the resistance of the resistors closer to edges of the driving circuit is smaller than the resistance of the resistors farther from the edges of the driving circuit. ### Claim 6 (depends on 4) The display device of claim 4, wherein at least one of the signal lines has curves near the connecting portions. ### Claim 7 (depends on 1) The display device of claim 1, wherein the driving circuit is chip-mounted on the display device. ### Claim 8 (depends on 7) The display device of claim 7, further comprising a printed circuit mounting the driving circuit and including a plurality of conductive lines for electrical connection between the driving circuit and an external device, the conductive lines coupled to the connecting portions of the signal lines. ### Claim 9 (depends on 1) The display device of claim 1, wherein the driving circuit further comprises a buffer for temporarily storing output voltages, and the resistors are coupled between the buffer and the output terminals. ### Claim 10 (depends on 1) The display device of claim 1, further comprising a package, wherein the driving integrated circuit is contained in the package and the plurality of signal lines are external to the package. ### Claim 11 A liquid crystal display comprising: a plurality of gate lines for transmitting first signals, each gate line including a connecting portion; a plurality of data lines for transmitting second signals, each data line including a connecting portion; a plurality of switching elements coupled to the gate lines and the data lines and selectively transmitting the second signals in response to the first signals; a gate driving integrated circuit for supplying the first signals to the gate lines and including a plurality of output terminals arranged in a line, said output terminals being coupled to the connecting portions of the gate lines; and a data driving integrated circuit for supplying the second signals to the data lines and including a plurality of output terminals arranged in a line, said output terminals being coupled to the connecting portions of the data lines, wherein at least one of the gate driving integrated circuit and the data driving integrated circuit includes a plurality of resistors coupled to the output terminals thereof, and the resistors coupled to the output terminals near the center of the line have a greater resistance than the resistors coupled to the output terminals at the ends of the line and the resistance of each of the plurality of resistors depends on a length of a gate line or data line coupled thereto. ### Claim 12 (depends on 11) The liquid crystal display of claim 11, wherein the resistance of the resistors coupled to relatively long gate lines or data lines is relatively small. ### Claim 13 (depends on 11) The liquid crystal display of claim 11, wherein a sum of the resistance of each resistor and the resistance of the gate line or the data line coupled thereto is substantially uniform. ### Claim 14 (depends on 11) The liquid crystal display of claim 11, further comprising: a plurality of contact assistants contacting the connecting portions of the gate lines or the data lines; and a printed circuit including a film mounting the at least one of the gate driving circuit and the data driving circuit and a plurality of leads coupled to the output terminals of the at least one of the gate driving circuit and the data driving circuit, wherein the contact assistants contact the leads. ### Claim 15 (depends on 11) The display device of claim 11, wherein at least one of the gate lines or the data lines has curves near the connecting portions. ### Claim 16 (depends on 11) The liquid crystal display of claim 11, further comprising a package, wherein the at least one of the gate driving integrated circuit and the data driving integrated circuit including the plurality of resistors is contained in the package, and the plurality of signal lines are external to the package. ### Claim 17 A driving integrated circuit for a liquid crystal display, the driving integrated circuit comprising: a circuit element for generating driving signals; a plurality of output terminals arranged in a line, said output terminals being electrically coupled to the circuit element and outputting the driving signals to signal lines; and a plurality of resistors coupled between the circuit element and the output terminals, wherein the resistors coupled to the output terminals near the center of the line have a greater resistance than the resistors coupled to the output terminals at the ends of the line and the resistance of the resistors increases or decreases depending on the output terminals coupled thereto. ### Claim 18 (depends on 17) The driving integrated circuit of claim 17, wherein the resistance of the resistors closer to a center of the driving integrated circuit is larger than the resistance of the resistors farther from the center of the driving integrated circuit. ### Claim 19 (depends on 17) The driving integrated circuit of claim 17, wherein a sum of the resistance of each resistor and the resistance of the signal line coupled thereto is substantially uniform.