# US 9,753,336 B2 · 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 9,753,336 B2 - Document ID: US9753336B2 - Status: Granted - Kind: B2 - Application number: 14/531,038 - Filed: 2014-11-03 - Published: 2015-12-31 - Granted: 2017-09-05 - Earliest claimed: 2014-06-25 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Chang Il Tae; Swae-Hyun Kim; Eun-Kil Park - Web page: https://patentgrep.com/patent/US9753336B2 ## CPC - G02F 1/134309: {characterised by their geometrical arrangement} - G02F 1/134345: {Subdivided pixels, e.g. for grey scale or redundancy} - G02F 1/134363: {for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]} - G02F 1/136218: {Shield electrodes} - 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 liquid crystal display includes a first field generating electrode and an opposed electrode facing each other with a liquid crystal layer interposed therebetween, a shielding electrode line separated from the first field generating electrode, and a second field generating electrode including a plurality of branch electrodes overlapping the first field generating electrode, where the first field generating electrode includes at least one step portion adjacent to and facing the shielding electrode line. ## Claims ### Claim 1 A liquid crystal display comprising: a first field generating electrode; an opposed electrode facing the first field generating electrode; a liquid crystal layer interposed between the first field generating electrode and the opposed electrode; a shielding electrode line separated from the first field generating electrode; and a second field generating electrode including a plurality of branch electrodes overlapping the first field generating electrode, wherein the first field generating electrode includes a main edge and an inner edge opposing and substantially parallel to each other as opposing major sides defining the first field generating electrode and each crossing a plurality of the branch electrodes in a plan view, a first sub-edge meeting the main edge at a first vertex, and a second sub-edge meeting the first sub-edge at a second vertex, the first sub-edge and the second sub-edge form a step portion of the first field generating electrode adjacent to and facing the shielding electrode line, and a first distance between the main edge and the inner edge is greater than a second distance between the second sub-edge and the inner edge. ### Claim 2 (depends on 1) The liquid crystal display of claim 1, wherein at least one among the main edge and the second sub-edge extends in a direction crossing a length direction of a branch electrode of the plurality of branch electrodes. ### Claim 3 (depends on 2) The liquid crystal display of claim 2, wherein at least one among the main edge and the second sub-edge defines an angle of about 70 degrees to about 110 degrees with reference to the length direction of the branch electrode. ### Claim 4 (depends on 3) The liquid crystal display of claim 3, wherein the first sub-edge defines an angle of about 70 degrees to about 110 degrees with reference to the main edge or the second sub-edge. ### Claim 5 (depends on 4) The liquid crystal display of claim 4, wherein the first sub-edge overlaps an inside area of the branch electrode or an edge side of the branch electrode. ### Claim 6 (depends on 5) The liquid crystal display of claim 5, wherein a length of an overlapping region of one branch electrode overlapping the step portion is about 10 percent to about 90 percent of an entire length of the branch electrode. ### Claim 7 (depends on 6) The liquid crystal display of claim 6, wherein: the first sub-edge extends along a center line extending in the length direction in the inside area of the branch electrode. ### Claim 8 (depends on 7) The liquid crystal display of claim 7, wherein the first field generating electrode and the shielding electrode line are positioned in a same layer. ### Claim 9 (depends on 8) The liquid crystal display of claim 8, wherein: the second field generating electrode further includes a first subpixel electrode and a second subpixel electrode which are applied with different voltages from each other; the first subpixel electrode and the second subpixel electrode are separated from each other by a gap; and the first field generating electrode overlaps the gap. ### Claim 10 (depends on 9) The liquid crystal display of claim 9, wherein an overlapping area of the first field generating electrode and the second subpixel electrode is larger than an overlapping area of the first field generating electrode and the first subpixel electrode. ### Claim 11 (depends on 10) The liquid crystal display of claim 10, wherein a voltage applied to the first subpixel electrode is greater than that of the second subpixel electrode. ### Claim 12 (depends on 11) The liquid crystal display of claim 11, wherein the first field generating electrode and the second field generating electrode include a plurality of domains in which control directions of liquid crystal molecules of the liquid crystal layer are different from each other. ### Claim 13 (depends on 12) The liquid crystal display of claim 12, wherein the first field generating electrode is electrically connected to the first subpixel electrode. ### Claim 14 (depends on 13) The liquid crystal display of claim 13, further comprising an insulating layer positioned between the first field generating electrode and the second field generating electrode. ### Claim 15 (depends on 2) The liquid crystal display of claim 2, wherein the first sub-edge defines an angle of about 70 degrees to about 110 degrees with reference to the main edge or the second sub-edge. ### Claim 16 (depends on 2) The liquid crystal display of claim 2, wherein a length of an overlapping region of one branch electrode overlapping the step portion is about 10 percent to about 90 percent of an entire length of the branch electrode. ### Claim 17 (depends on 1) The liquid crystal display of claim 1, wherein the first field generating electrode and the shielding electrode line are positioned in a same layer. ### Claim 18 (depends on 1) The liquid crystal display of claim 1, wherein: the second field generating electrode includes a first subpixel electrode and a second subpixel electrode which are applied with different voltages from each other; the first subpixel electrode and the second subpixel electrode are separated from each other by a gap; and the first field generating electrode overlaps the gap.