# US 8,786,813 B2 · Liquid crystal display and pixel units thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,813 B2 - Document ID: US8786813B2 - Status: Granted - Kind: B2 - Application number: 12/996,297 - Filed: 2010-09-01 - Published: 2012-02-02 - Granted: 2014-07-22 - Earliest claimed: 2010-07-29 - Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd. - Applicants: Chengming He; Liangchan Liao; Dongsheng Guo; Chihsien Li - Inventors: Chengming He; Liangchan Liao; Dongsheng Guo; Chihsien Li - Web page: https://patentgrep.com/patent/US8786813B2 ## CPC - G02F 1/134309: {characterised by their geometrical arrangement} - G02F 1/134345: {Subdivided pixels, e.g. for grey scale or redundancy} - G02F 2201/52: RGB geometrical arrangements - 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 The present invention provides a liquid crystal display and pixel units thereof. The pixel unit has a plurality of subpixel units, and each of the subpixel units is a rectangular block, and the rectangular block is divided into a triangular bright-partition and a triangular dark-partition along an inclined line, and the bright-partition of each subpixel unit corresponds to the dark-partitions of adjacent subpixel units, so as to reduce jagged phenomenon of lines in screen images with the configuration of the pixel unit, and thereby enhance image quality of the liquid crystal display. ## Claims ### Claim 1 A liquid crystal display, characterized in that: the liquid crystal display comprises a plurality of pixel units, wherein the pixel units are arranged in a display area in a two-dimensional matrix arrangement, and each of the pixel units has a plurality of subpixel units, and each of the pixel units is configured by arranging the subpixel units side by side, wherein the subpixel units of one of the pixel unit are a first subpixel unit, a second subpixel unit and a third subpixel unit, which control display of three primary colors of red, green and blue, respectively; wherein each of the subpixel units is a rectangular block, and the rectangular block is divided into a bright-partition and a dark-partition along an inclined line, wherein the inclined line is a diagonal line of the rectangular block; the bright-partition and the dark-partition are triangular, wherein the bright-partition of each of the subpixel units symmetrically corresponds to the dark-partition of the adjacent subpixel unit in a longitudinal direction and also symmetrically corresponds to the dark-partition of another adjacent subpixel unit in a transverse direction. ### Claim 2 A liquid crystal display, characterized in that: the liquid crystal display comprises a plurality of pixel units, wherein the pixel units are arranged in a display area in a two-dimensional matrix arrangement, and each of the pixel units has a plurality of subpixel units, wherein each of the subpixel units is a rectangular block, and the rectangular block is divided into a bright-partition and a dark-partition along an inclined line, wherein the bright-partition of each of the subpixel units symmetrically corresponds to the dark-partition of the adjacent subpixel unit in a longitudinal direction and also symmetrically corresponds to the dark-partition of another adjacent subpixel unit in a transverse direction. ### Claim 3 (depends on 2) The liquid crystal display as claimed in claim 2, characterized in that: each of the pixel units is configured by arranging the subpixel units side by side; and the subpixel units are a first subpixel unit, a second subpixel unit and a third subpixel unit, which control display of three primary colors of red, green and blue, respectively. ### Claim 4 (depends on 3) The liquid crystal display as claimed in claim 3, characterized in that: the bright-partition and the dark-partition are divided according to different alignment directions of liquid crystal molecules. ### Claim 5 (depends on 2) The liquid crystal display as claimed in claim 2, characterized in that: the subpixel units are arranged side by side to configure the pixel unit. ### Claim 6 (depends on 5) The liquid crystal display as claimed in claim 5, characterized in that: the inclined line is a diagonal line of the rectangular block; and the bright-partition and the dark-partition are triangular. ### Claim 7 (depends on 6) The liquid crystal display as claimed in claim 6, characterized in that: the bright-partition and the dark-partition are divided according to different alignment directions of liquid crystal molecules. ### Claim 8 (depends on 5) The liquid crystal display as claimed in claim 5, characterized in that: the bright-partition and the dark-partition are divided according to different alignment directions of liquid crystal molecules. ### Claim 9 (depends on 2) The liquid crystal display as claimed in claim 2, characterized in that: the inclined line is a diagonal line of the rectangular block; and the bright-partition and the dark-partition are triangular. ### Claim 10 (depends on 9) The liquid crystal display as claimed in claim 9, characterized in that: the bright-partition and the dark-partition are divided according to different alignment directions of liquid crystal molecules. ### Claim 11 (depends on 2) The liquid crystal display as claimed in claim 2, characterized in that: the bright-partition and the dark-partition are divided according to different alignment directions of liquid crystal molecules. ### Claim 12 A pixel unit, characterized in that: the pixel unit comprises a plurality of subpixel units, and each of the subpixel units is a rectangular block, and the rectangular block is divided into a bright-partition and a dark-partition along an inclined line, wherein the bright-partition of each of the subpixel units symmetrically corresponds to the dark-partition of the adjacent subpixel unit in a longitudinal direction and also symmetrically corresponds to the dark-partition of another adjacent subpixel unit in a transverse direction. ### Claim 13 (depends on 12) The pixel unit as claimed in claim 12, characterized in that: the subpixel units are a first subpixel unit, a second subpixel unit and a third subpixel unit, which control display of three primary colors of red, green and blue, respectively. ### Claim 14 (depends on 13) The pixel unit as claimed in claim 13, characterized in that: the subpixel units are arranged side by side to configure the pixel unit. ### Claim 15 (depends on 14) The pixel unit as claimed in claim 14, characterized in that: the inclined line is a diagonal line of the rectangular block; and the bright-partition and the dark-partition are triangular. ### Claim 16 (depends on 13) The pixel unit as claimed in claim 13, characterized in that: the inclined line is a diagonal line of the rectangular block; and the bright-partition and the dark-partition are triangular. ### Claim 17 (depends on 12) The pixel unit as claimed in claim 12, characterized in that: the subpixel units are arranged side by side to configure the pixel unit. ### Claim 18 (depends on 17) The pixel unit as claimed in claim 17, characterized in that: the inclined line is a diagonal line of the rectangular block; and the bright-partition and the dark-partition are triangular. ### Claim 19 (depends on 12) The pixel unit as claimed in claim 12, characterized in that: the inclined line is a diagonal line of the rectangular block; and the bright-partition and the dark-partition are triangular. ### Claim 20 (depends on 12) The pixel unit as claimed in claim 12, characterized in that: the bright-partition and the dark-partition are divided according to different alignment directions of liquid crystal molecules.