# US 10,481,449 B2 · Array substrate with color filter layer and method of producing the same and 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 10,481,449 B2 - Document ID: US10481449B2 - Status: Granted - Kind: B2 - Application number: 15/542,423 - Filed: 2017-06-22 - Published: 2018-12-27 - Granted: 2019-11-19 - Earliest claimed: 2017-06-08 - Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd. - Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd. - Inventors: Yuxin Pan - Web page: https://patentgrep.com/patent/US10481449B2 ## CPC - 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 1/133516: {Methods for their manufacture, e.g. printing, electro-deposition or photolithography} - G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)} - G02F 1/136222: {Colour filters incorporated in the active matrix substrate} - 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 An array substrate including a color filter layer is provided. The array substrate includes a first substrate, a TFT array, arranged on the first substrate, and a color filter layer arranged on the TFT array. The color filter layer includes color-resist units with different colors. A mixed color-resist area is arranged between the two neighboring color-resist units. The mixed color-resist area comprises two or more color-resist film layers arranged in layers with different colors. A method of producing an array substrate having a color filter layer is also provided. A liquid crystal display includes the array substrate having the color film layer is also proposed. ## Claims ### Claim 1 An array substrate comprising a color filter layer, comprising: a black matrix; a first substrate; and a thin film transistor (TFT) array, arranged on the first substrate; a color filter layer, arranged on the TFT array and comprising color-resist units with different colors, wherein a mixed color-resist area is arranged between the two neighboring color-resist units; the mixed color-resist area comprises two or more color-resist film layers arranged in layers with different colors; wherein an upper surface of the mixed color-resist area is flush with an upper surface of one of the neighboring color-resist units and a lower surface of the mixed color-resist area is flush with a lower surface of the other one of the neighboring color-resist units; wherein a width of the black matrix is equal to a width of the mixed color-resist area. ### Claim 2 (depends on 1) The array substrate of claim 1, wherein the color filter layer comprises a red color-resist unit, a green color-resist unit, and a blue color-resist unit; the two or more color-resist film layers are red, green, or blue. ### Claim 3 (depends on 1) The array substrate of claim 1, wherein thickness of the color-resist film layers with the different colors is the same in the mixed color-resist area. ### Claim 4 (depends on 1) The array substrate of claim 1, wherein the mixed color-resist area comprises a first color-resist film layer and a second color-resist film layer; the first color-resist film layer and the second color-resist film layer are arranged in layers with different colors; the first color-resist film layer and the second color-resist film layer have the same color with one of the two correspondingly neighboring color-resist units. ### Claim 5 (depends on 4) The array substrate of claim 4, wherein the first color-resist film layer and one of the two correspondingly neighboring color-resist units are formed integrally; the second color-resist film layer and the other correspondingly neighboring color-resist unit are formed integrally. ### Claim 6 A method of producing an array substrate having a color filter layer, comprising: Forming a black matrix; forming a thin film transistor (TFT) array and a color filter layer arranged on a first substrate successively, wherein forming the color filter layer comprises: producing and forming color-resist units with different colors on the TFT array successively; arranging a mixed color-resist area between the two neighboring color-resist units wherein the mixed color-resist area comprises two or more color-resist film layers arranged in layers with different colors wherein an upper surface of the mixed color-resist area is flush with an upper surface of one of the neighboring color-resist units and a lower surface of the mixed color-resist area is flush with a lower surface of the other one of the neighboring color-resist units; wherein a width of the black matrix is equal to a width of the mixed color-resist area. ### Claim 7 (depends on 6) The method of claim 6, wherein the mixed color-resist area comprises a first color-resist film layer and a second color-resist film layer; the first color-resist film layer and the second color-resist film layer are arranged in layers with different colors; the first color-resist film layer and the second color-resist film layer have the same color with one of the two correspondingly neighboring color-resist units. ### Claim 8 (depends on 7) The method of claim 7, wherein the first color-resist film layer and one of the two correspondingly neighboring color-resist units are formed integrally; the second color-resist film layer and the other correspondingly neighboring color-resist unit are formed integrally. ### Claim 9 (depends on 6) The method of claim 6, wherein the color filter layer comprises a red color-resist unit, a green color-resist unit, and a blue color-resist unit; the two or more color-resist film layers are red, green, or blue. ### Claim 10 (depends on 6) The method of claim 6, wherein thickness of the color-resist film layers with the different colors is the same in the mixed color-resist area. ### Claim 11 A liquid crystal display (LCD), comprising: an array substrate, comprising: a first substrate; and a thin film transistor (TFT) array, arranged on the first substrate; and a color filter layer, arranged on the TFT array and comprising color-resist units with different colors, wherein a mixed color-resist area is arranged between the two neighboring color-resist units; the mixed color-resist area comprises two or more color-resist film layers arranged in layers with different colors wherein an upper surface of the mixed color-resist area is flush with an upper surface of one of the neighboring color-resist units and a lower surface of the mixed color-resist area is flush with a lower surface of the other one of the neighboring color-resist units; a cell-aligning substrate; and a liquid crystal layer, sandwiched between the array substrate and the cell-aligning substrate; wherein the cell-aligning substrate comprises a second substrate and a black matrix arranged on the second substrate; the black matrix and the mixed color-resist area are arranged opposite, a width of the mixed color-resist area is equal to a width of the black matrix. ### Claim 12 (depends on 11) The LCD of claim 11, wherein the color filter layer comprises a red color-resist unit, a green color-resist unit, and a blue color-resist unit; the two or more color-resist film layers are red, green, or blue. ### Claim 13 (depends on 11) The LCD of claim 11, wherein thickness of the color-resist film layers with the different colors is the same in the mixed color-resist area. ### Claim 14 (depends on 11) The LCD of claim 11, wherein the mixed color-resist area comprises a first color-resist film layer and a second color-resist film layer; the first color-resist film layer and the second color-resist film layer are arranged in layers with different colors; the first color-resist film layer and the second color-resist film layer have the same color with one of the two correspondingly neighboring color-resist units. ### Claim 15 (depends on 14) The LCD of claim 14, wherein the first color-resist film layer and one of the two correspondingly neighboring color-resist units are formed integrally; the second color-resist film layer and the other correspondingly neighboring color-resist unit are formed integrally.