# US 10,503,029 B2 · Display panel and pixel structure thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,503,029 B2 - Document ID: US10503029B2 - Status: Granted - Kind: B2 - Application number: 15/552,490 - Filed: 2017-05-25 - Published: 2018-11-01 - Granted: 2019-12-10 - Earliest claimed: 2017-04-27 - Assignees: Wuhan China Star Optoelectronics Technology Co., Ltd. - Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd. - Inventors: Liang Ma; Wei-Ping Yeh; Jun Xia; Cong Wang; Lifang Wang - Web page: https://patentgrep.com/patent/US10503029B2 ## CPC - G02F 1/134309: {characterised by their geometrical arrangement} - 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 1/136227: {Through-hole connection of the pixel electrode to the active element through an insulation layer} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - H10D 30/6723: {having light shields} - H10D 30/6731: {Top-gate only TFTs} - H10D 30/6745: {Polycrystalline or microcrystalline silicon} - H10D 86/421: {having a particular composition, shape or crystalline structure of the active layer} - H10D 86/441: {Interconnections, e.g. scanning lines} - H10D 86/60: wherein the TFTs are in active matrices - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/134345: {Subdivided pixels, e.g. for grey scale or redundancy} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - G02F 2201/121: common or background - G02F 2201/123: pixel - G02F 2201/40: Arrangements for improving the aperture ratio - 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 - H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES ## Abstract The disclosure discloses a pixel structure. The pixel structure at least includes a first pixel electrode and a second pixel electrode disposed adjacently. The first pixel electrode includes a first effective display section and a first ineffective display section. The second pixel electrode includes a second effective display section and a second ineffective display section. A display area of the first effective display section is smaller than a display area of the second effective display section. A ratio of an actual coverage area of the second pixel electrode to an actual coverage area of the first pixel electrode is in a range of 1˜2/3. ## Claims ### Claim 1 A pixel structure, the pixel structure at least comprising a first pixel electrode and a second pixel electrode disposed adjacently, the first pixel electrode comprising a first effective display section and a first ineffective display section, the second pixel electrode comprising a second effective display section and a second ineffective display section, a display area of the first effective display section being smaller than a display area of the second effective display section, a ratio of an actual coverage area of the second pixel electrode to an actual coverage area of the first pixel electrode in a range of 1˜2/3, the first ineffective display section being a section of the first pixel electrode sheltered by a black matrix, the second ineffective display section being a section of the second pixel electrode sheltered by the black matrix, the first pixel electrode being a white pixel electrode, the second pixel electrode being a red pixel electrode, a blue pixel electrode or a green pixel electrode; wherein an area of the first ineffective display section is larger than an area of the second ineffective display section; wherein the first effective display section comprises a plurality of first wire gatings disposed separately; and the second effective display section comprises a plurality of second wire gatings disposed separately, a third connecting section connected with one end of the plurality of second wire gatings, and a fourth connecting section connected with the other end of the plurality of second wire gatings; wherein the first ineffective display section comprises a first connecting section connected with one end of the plurality of first wire gatings, a second connecting section connected with the other end of the plurality of first wire gatings, and a first pin section connected with the second connecting section; and the second ineffective display section is a second pin section connected with the fourth connecting section; wherein the first connecting section has a first external edge and a second external edge opposite to the first external edge; the second connecting section has a third external edge and a fourth external edge opposite to the third external edge; the first connecting section has a first extension section extending along the first connecting section from the first external edge, and is located outer a position that the outermost first wire gating located on the first external edge; the first connecting section has a second extension section extending along the first connecting section from the second external edge, and is located outer a position that the outermost first wire gating located on the second external edge; the second connecting section has a third extension section extending along the second connecting section from the third external edge, and is located outer a position that the outermost first wire gating located on the third external edge; and the second connecting section has a fourth extension section extending along the second connecting section from the fourth external edge, and is located outer a position that the outermost first wire gating located on the fourth external edge; wherein the first extension section, the second extension section, the third extension section, and the fourth extension section are fully covered by the black matrix. ### Claim 2 (depends on 1) The pixel structure according to claim 1, wherein the number of the first wire gatings is less than the number of the second wire gatings, a width of the first wire gatings is larger than a width of the second wire gatings. ### Claim 3 (depends on 1) The pixel structure according to claim 1, wherein the actual coverage area of the first pixel electrode is a sum of the actual coverage areas of the first effective display section and the first ineffective display section; and the actual coverage area of the second pixel electrode is a sum of the actual coverage areas of the second effective display section and the second ineffective display section. ### Claim 4 (depends on 1) The pixel structure according to claim 1, wherein the first connecting section, the first extension section, and the second extension section are integrated into a rectangle shape. ### Claim 5 (depends on 1) The pixel structure according to claim 1, wherein the second connecting section, the third extension section, and the fourth extension section are integrated into a rectangle shape. ### Claim 6 A pixel structure, the pixel structure at least comprising a first pixel electrode and a second pixel electrode disposed adjacently, the first pixel electrode comprising a first effective display section and a first ineffective display section, the second pixel electrode comprising a second effective display section and a second ineffective display section, a display area of the first effective display section being smaller than a display area of the second effective display section, a ratio of an actual coverage area of the second pixel electrode to an actual coverage area of the first pixel electrode in a range of 1˜2/3, wherein the first pixel electrode is a white pixel electrode, and the second pixel electrode is a red pixel electrode, a blue pixel electrode or a green pixel electrode; wherein an area of the first ineffective display section is larger than an area of the second ineffective display section; wherein the first ineffective display section is a section of the first pixel electrode sheltered by a black matrix, the first effective display section is a section of the first pixel electrode unsheltered by the black matrix, the second ineffective display section is a section of the second pixel electrode sheltered by the black matrix, and the second effective display section is a section of the second pixel electrode unsheltered by the black matrix; wherein the first effective display section comprises a plurality of first wire gatings disposed separately; and the second effective display section comprises a plurality of second wire gatings disposed separately, a third connecting section connected with one end of the plurality of second wire gatings, and a fourth connecting section connected with the other end of the plurality of second wire gatings; wherein the first ineffective display section comprises a first connecting section connected with one end of the plurality of first wire gatings, a second connecting section connected with the other end of the plurality of first wire gatings, and a first pin section connected with the second connecting section; and the second ineffective display section is a second pin section connected with the fourth connecting section; wherein the first connecting section has a first external edge and a second external edge opposite to the first external edge; the second connecting section has a third external edge and a fourth external edge opposite to the third external edge; the first connecting section has a first extension section extending along the first connecting section from the first external edge, and is located outer a position that the outermost first wire gating located on the first external edge; the first connecting section has a second extension section extending along the first connecting section from the second external edge, and is located outer a position that the outermost first wire gating located on the second external edge; the second connecting section has a third extension section extending along the second connecting section from the third external edge, and is located outer a position that the outermost first wire gating located on the third external edge; and the second connecting section has a fourth extension section extending along the second connecting section from the fourth external edge, and is located outer a position that the outermost first wire gating located on the fourth external edge; wherein the first extension section, the second extension section, the third extension section, and the fourth extension section are fully covered by the black matrix. ### Claim 7 (depends on 6) The pixel structure according to claim 6, wherein the number of the first wire gatings is less than the number of the second wire gatings, a width of the first wire gatings is larger than a width of the second wire gatings. ### Claim 8 (depends on 6) The pixel structure according to claim 6, wherein the actual coverage area of the first pixel electrode is a sum of the actual coverage areas of the first effective display section and the first ineffective display section; and the actual coverage area of the second pixel electrode is a sum of the actual coverage areas of the second effective display section and the second ineffective display section. ### Claim 9 (depends on 6) The pixel structure according to claim 6, wherein the first connecting section, the first extension section, and the second extension section are integrated into a rectangle shape. ### Claim 10 (depends on 6) The pixel structure according to claim 6, wherein the second connecting section, the third extension section, and the fourth extension section are integrated into a rectangle shape. ### Claim 11 A display panel, the display panel comprising a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a pixel structure disposed on the first substrate, and a common electrode layer disposed on the first substrate, the common electrode layer disposed separately from the pixel structure in a direction of a thickness of the liquid crystal display panel, the pixel structure at least comprising a first pixel electrode and a second pixel electrode disposed adjacently, the first pixel electrode comprising a first effective display section and a first ineffective display section, the second pixel electrode comprising a second effective display section and a second ineffective display section, a display area of the first effective display section being smaller than a display area of the second effective display section, a ratio of an actual coverage area of the second pixel electrode to an actual coverage area of the first pixel electrode in a range of 1˜2/3, wherein the first pixel electrode is a white pixel electrode, and the second pixel electrode is a red pixel electrode, a blue pixel electrode or a green pixel electrode; wherein an area of the first ineffective display section is larger than an area of the second ineffective display section; wherein the first ineffective display section is a section of the first pixel electrode sheltered by a black matrix, the first effective display section is a section of the first pixel electrode unsheltered by the black matrix, the second ineffective display section is a section of the second pixel electrode sheltered by the black matrix, and the second effective display section is a section of the second pixel electrode unsheltered by the black matrix; wherein the first effective display section comprises a plurality of first wire gatings disposed separately; and the second effective display section comprises a plurality of second wire gatings disposed separately, a third connecting section connected with one end of the plurality of second wire gatings, and a fourth connecting section connected with the other end of the plurality of second wire gatings; wherein the first ineffective display section comprises a first connecting section connected with one end of the plurality of first wire gatings, a second connecting section connected with the other end of the plurality of first wire gatings, and a first pin section connected with the second connecting section; and the second ineffective display section is a second pin section connected with the fourth connecting section; wherein the first connecting section has a first external edge and a second external edge opposite to the first external edge; the second connecting section has a third external edge and a fourth external edge opposite to the third external edge; the first connecting section has a first extension section extending along the first connecting section from the first external edge, and is located outer a position that the outermost first wire gating located on the first external edge; the first connecting section has a second extension section extending along the first connecting section from the second external edge, and is located outer a position that the outermost first wire gating located on the second external edge; the second connecting section has a third extension section extending along the second connecting section from the third external edge, and is located outer a position that the outermost first wire gating located on the third external edge; and the second connecting section has a fourth extension section extending along the second connecting section from the fourth external edge, and is located outer a position that the outermost first wire gating located on the fourth external edge; wherein the first extension section, the second extension section, the third extension section, and the fourth extension section are fully covered by the black matrix. ### Claim 12 (depends on 11) The display panel according to claim 11, wherein the number of the first wire gatings is less than the number of the second wire gatings, a width of the first wire gatings is larger than a width of the second wire gatings. ### Claim 13 (depends on 11) The display panel according to claim 11, wherein the actual coverage area of the first pixel electrode is a sum of the actual coverage areas of the first effective display section and the first ineffective display section; and the actual coverage area of the second pixel electrode is a sum of the actual coverage areas of the second effective display section and the second ineffective display section. ### Claim 14 (depends on 11) The display panel according to claim 11, wherein the first connecting section, the first extension section, and the second extension section are integrated into a rectangle shape. ### Claim 15 (depends on 11) The display panel according to claim 11, wherein the second connecting section, the third extension section, and the fourth extension section are integrated into a rectangle shape.