# US 10,770,005 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,770,005 B2 - Document ID: US10770005B2 - Status: Granted - Kind: B2 - Application number: 16/215,581 - Filed: 2018-12-10 - Published: 2019-06-13 - Granted: 2020-09-08 - Earliest claimed: 2017-12-11 - Assignees: LG Display Co., Ltd. - Applicants: LG Display Co., Ltd. - Inventors: SangHyun Lim - Web page: https://patentgrep.com/patent/US10770005B2 ## CPC - G09G 3/3275: Details of drivers for data electrodes - G02F 1/136209: {Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads} - G09G 3/3225: using an active matrix - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/60: wherein the TFTs are in active matrices - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/131: Interconnections, e.g. wiring lines or terminals - G09G 3/3266: Details of drivers for scan electrodes - G09G 3/3677: {suitable for active matrices only} - G09G 3/3688: {suitable for active matrices only} - G09G 2300/0426: Layout of electrodes and connections - G09G 2310/0221: with use of split matrices (G09G3/3644 and G09G3/3666 take precedence) - G09G 2310/0232: Special driving of display border areas - G09G 2310/0243: Details of the generation of driving signals - G09G 2310/08: Details of timing specific for flat panels, other than clock recovery - 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 2320/0233: Improving the luminance or brightness uniformity across the screen - G09G 2320/0673: for control of gamma adjustment, e.g. selecting another gamma curve - G09G 2330/12: Test circuits or failure detection circuits included in a display system, as permanent part thereof - 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 - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display device according to the present disclosure includes a substrate including a display area which has an irregularly shaped side and a non-display area which includes a notch area defined by a shape of the irregularly shaped side of the display area and is disposed to enclose the display area. A load amount of the scan output signal of the display area in which the irregularly shaped side is formed is detected by a plurality of sensing lines and an offset of a data signal is corrected based on the load amount to improve an image quality of the display device including an irregularly shaped side. ## Claims ### Claim 1 A display device, comprising: a substrate including a display area which has an irregularly shaped side and a non-display area which includes a notch area defined by a shape of the irregularly shaped side of the display area and is disposed to enclose the display area; a plurality of gate lines divided to be disposed in a left display area and a right display area due to the irregularly shaped side of the display area; a plurality of data lines in the display area; and a plurality of sensing lines disposed in the notch area and connected to the plurality of gate lines to transmit a scan output signal output from the plurality of gate lines; a load detecting unit detecting a scan load difference of the display area due to the shape of the irregularly shaped side based on the scan output signal transmitted from the plurality of sensing lines; and a data driver correcting an offset of a data signal based on the scan load difference detected by the load detecting unit and outputting the offset to the plurality of data lines, wherein when a quantified scan load amount difference outputted from a load difference quantifying unit is larger than a predetermined value, the data driver corrects the offset of the data signal so as to apply a data voltage which is higher than the data voltage set based on a data control signal applied from a timing controller, and when the quantified scan load amount difference outputted from the load difference quantifying unit is smaller than the predetermined value, the data driver corrects the offset of the data signal so as to apply a data voltage which is lower than the data voltage set based on the data control signal applied from the timing controller. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the irregularly shaped side is disposed to correspond to a short side of the display area and forms a concave shape toward an inward direction of the display area. ### Claim 3 (depends on 2) The display device according to claim 2, wherein the plurality of sensing lines are disposed to be closer to the substrate than the plurality of gate lines. ### Claim 4 (depends on 3) The display device according to claim 3, wherein the plurality of sensing lines are disposed on a same layer as a light blocking layer disposed on the substrate in the display area and are formed of a same material as the light blocking layer. ### Claim 5 (depends on 3) The display device according to claim 3, wherein the plurality of gate lines extend to the notch area. ### Claim 6 (depends on 5) The display device according to claim 5, wherein the plurality of gate lines are routed to be connected to the plurality of sensing lines in the notch area. ### Claim 7 A display device, comprising: a display panel including a display area with a plurality of pixels for displaying images and a non-display area surrounding the display area, wherein the display area includes a plurality of gate lines extending in a first direction and having different lengths and a plurality of data lines extending in a second direction which is different from the first direction; a load detecting unit configured to detect a scan load amount due to a length difference of the gate lines, the load detecting unit further configured to quantify and output the scan load amount; and a data driver configured to correct and output an offset of a data signal applied to the plurality of data lines based on an output value output from the load detecting unit; wherein when a quantified scan load amount difference outputted from a load difference quantifying unit is larger than a predetermined value, the data driver corrects the offset of the data signal so as to apply a data voltage which is higher than the data voltage set based on a data control signal applied from a timing controller, and when the quantified scan load amount difference outputted from the load difference quantifying unit is smaller than the predetermined value, the data driver corrects the offset of the data signal so as to apply a data voltage which is lower than the data voltage set based on the data control signal applied from the timing controller. ### Claim 8 (depends on 7) The display device according to claim 7, wherein the load detecting unit includes a load calculating unit configured to calculate a load of a scan output signal of the display area based on a plurality of scan output signals output from the display area; and a load difference quantifying unit configured to quantify the scan load amount difference based on the load of the scan output signal calculated by the load calculating unit. ### Claim 9 (depends on 8) The display device according to claim 8, wherein the load calculating unit is configured to calculate a load of each scan output signal based on a rising time and a falling time of each of the plurality of scan output signals. ### Claim 10 (depends on 7) The display device according to claim 7, wherein the data driver is configured to correct the offset of the data signal by adjusting a data gamma curve. ### Claim 11 (depends on 7) The display device according to claim 7, wherein the display panel includes a display area having an irregularly shaped side and the non-display area including an irregularly shaped area due to the irregularly shaped side of the display area. ### Claim 12 (depends on 11) The display device according to claim 11, wherein the plurality of gate lines has different lengths due to the irregularly shaped side. ### Claim 13 (depends on 12) The display device according to claim 12, wherein a length of a gate line disposed in the display area in which the irregularly shaped side is formed is shorter than a length of a gate line disposed in the display area in which the irregularly shaped side is not formed. ### Claim 14 (depends on 13) The display device according to claim 13, further comprising: a plurality of sensing lines which connects the gate lines disposed in the display area in which the irregularly shaped side is formed to the load detecting unit.