# US 10,120,243 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 10,120,243 B2 - Document ID: US10120243B2 - Status: Granted - Kind: B2 - Application number: 15/793,709 - Filed: 2017-10-25 - Published: 2018-02-15 - Granted: 2018-11-06 - Earliest claimed: 2013-07-03 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Kee-Bum Park; Dong Hee Shin; Kyung Ho Kim; Ho Kyung Kim; Yoo Mi Ra - Web page: https://patentgrep.com/patent/US10120243B2 ## CPC - G02F 1/134309: {characterised by their geometrical arrangement} - G02F 1/133707: {Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes} - G02F 1/134336: {Matrix} - G02F 1/13624: {having more than one switching element per pixel} - 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)} - G02F 1/1393: {the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells (G02F1/1396, G02F1/141 take precedence)} - G02F 1/134354: {the sub-pixels being capacitively coupled} - 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 Provided is a liquid crystal display capable of reducing a texture by increasing a liquid crystal control ability. The liquid crystal display includes a first electrode and a second electrode facing each other with a liquid crystal layer therebetween. The first electrode includes a horizontal extension forming a boundary between adjacent subregions and a vertical extension connected to the horizontal extension, and the horizontal extension includes a portion which has a largest width at a position proximate to the vertical extension, and which has a smaller width at a position farther from the vertical extension. ## Claims ### Claim 1 A display device, comprising: a data line extending in a first direction; a gate line crossing the data line and extending in a second direction; a thin film transistor connected to the gate line and the data line; and a first electrode connected to the thin film transistor, wherein: the first electrode includes a first stem extending in the first direction and a second stem extending in the second direction; the first stem is at an edge of the first electrode and connected to the second stem; and the first stem includes a first width-varying portion, the first width-varying portion has two first edges opposing each other, and one of the two first edges forms an angle which is greater than 0 degree and equal to or less than 2 degrees with respect to the first direction. ### Claim 2 (depends on 1) The display device of claim 1, wherein the first width-varying portion has a largest width at a position proximate to the second stem, and has a smaller width at a position farther from the second stem. ### Claim 3 (depends on 2) The display device of claim 2, wherein another one of the two first edges is at the edge of the first electrode and is substantially parallel to the first direction. ### Claim 4 (depends on 2) The display device of claim 2, wherein a width of the first stem is about 5 μm or more and about 8 μm or less. ### Claim 5 (depends on 1) The display device of claim 1, wherein the second stem includes a second width-varying portion, the second width-varying portion has two second edges opposing each other, and at least one of the two second edges forms an angle which is greater than 0 degree and equal to or less than 1 degree with respect to the second direction. ### Claim 6 (depends on 5) The display device of claim 5, wherein the second width-varying portion has a largest width at a position proximate to the first stem, and has a smaller width at a position farther from the first stem. ### Claim 7 (depends on 6) The display device of claim 6, wherein a width of the second stem is about 5 μm or more and about 8 μm or less. ### Claim 8 (depends on 1) The display device of claim 1, wherein: the first electrode includes a first portion and a second portion which are adjacent to each other with a gap between the first portion and the second portion; and the first portion and the second portion each has the first stem and the second stem. ### Claim 9 (depends on 8) The display device of claim 8, wherein the first electrode further comprise: a plurality of branches extending from at least one of the first stem and the second stem in the first portion and the second portion, and extending obliquely with respect to the first direction and the second direction; and a connector disposed between the first portion and the second portion, a first end of the connector is connected to the branches in the first portion facing the gap, and a second end of the connector is connected to the branches in the second portion facing the gap. ### Claim 10 (depends on 9) The display device of claim 9, further comprising: a storage electrode line configured to transmit a common voltage, wherein the storage electrode line includes a horizontal portion overlapping the gap. ### Claim 11 (depends on 10) The display device of claim 10, wherein: the horizontal portion of the storage electrode line extends in the first direction and overlaps the connector. ### Claim 12 (depends on 9) The display device of claim 9, further comprising: a shielding electrode overlapping the data line, wherein the shielding electrode includes a horizontal portion overlapping the gap. ### Claim 13 (depends on 12) The display device of claim 12, wherein: the shielding electrode is positioned at a same layer as the first electrode and is configured to transmit a common voltage. ### Claim 14 (depends on 1) The display device of claim 1, further comprising: a first connection part extending in the first direction and connecting end portions of a portion of the branches in the first portion; and a second connection part extending in the first direction and connecting end portions of a portion of the branches in the second portion. ### Claim 15 (depends on 14) The display device of claim 14, wherein: the first connection part is adjacent to the gap; end portions of the branches in the second portion that face the first connection part are separated from each other; the second connection part is adjacent to the gap; and end portions of the branches in the first portion that face the second connection part are separated from each other. ### Claim 16 (depends on 15) The display device of claim 15, wherein: the first connection part is at an edge of the first portion adjacent to the gap; and the second connection part is at an edge of the second portion adjacent to the gap. ### Claim 17 (depends on 1) The display device of claim 1, further comprising: a second electrode; and a liquid crystal layer interposed between the first electrode and the second electrode. ### Claim 18 (depends on 1) The display device of claim 1, wherein the second stem is connected to a middle point of the first stem.