# US 2013/0154949 A1 · Displays with Light-Curable Sealant > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0154949 A1 - Document ID: US20130154949A1 - Status: Published application - Kind: A1 - Application number: 13/326,713 - Filed: 2011-12-15 - Published: 2013-06-20 - Earliest claimed: 2011-12-15 - Assignees: Apple Inc. - Inventors: Abbas Jamshidi Roudbari; Young-Bae Park; Shih-Chang Chang - Web page: https://patentgrep.com/patent/US20130154949A1 ## CPC - G02F 1/1339: Gaskets; Spacers; Sealing of cells - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/0412: {Digitisers structurally integrated in a display} - G02F 2202/023: curable - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices - G06F 2203/04113: Peripheral electrode pattern in resistive digitisers, i.e. electrodes at the periphery of the resistive sheet are shaped in patterns enhancing linearity of induced field - 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 - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract An electronic device may have a display such as a liquid crystal display. The display may include a layer of liquid crystal material interposed between a color filter layer and a thin-film transistor layer. The thin-film transistor layer may be provided with capacitive touch sensor electrodes. Wide metal lines on the thin-film transistor layer may be used to inhibit parasitic capacitances during touch sensor mode. The color filter layer may include a layer of black masking material that surrounds the active display area. A light-curable adhesive may used to attach the color filter layer to the thin-film transistor layer. Openings may be formed in the black masking material and in the metal lines on the thin-film transistor layer. The adhesive may be cured by applying ultraviolet light to the adhesive through the openings in the black masking material and through the openings in the metal lines. ## Claims ### Claim 1 A display, comprising: a first transparent substrate; a second transparent substrate; black masking material on the second transparent substrate; and sealant interposed between the black masking material and the first transparent substrate, wherein the black masking material includes at least one opening configured to allow sealant-curing light to pass through the second transparent substrate to the sealant. ### Claim 2 (depends on 1) The display defined in claim 1 further comprising liquid crystal material interposed between the first and second transparent substrates, wherein the first and second transparent substrates have peripheral edges and wherein the sealant is configured to prevent leakage of the liquid crystal material at the peripheral edges. ### Claim 3 (depends on 2) The display defined in claim 2 further comprising a metal line on the first transparent substrate, wherein the sealant overlaps at least part of the metal line. ### Claim 4 (depends on 3) The display defined in claim 3 wherein the metal line includes at least one opening configured to allow sealant-curing light to pass through the first transparent substrate to the sealant. ### Claim 5 (depends on 4) The display defined in claim 4 wherein the black masking material and the metal line include solid portions without openings, wherein one of the solid portions in the black masking material overlaps the at least one opening in the metal line, and wherein the at least one opening in the black masking material overlaps one of the solid portions of the metal line. ### Claim 6 (depends on 3) The display defined in claim 3 further comprising thin-film transistor circuitry on the first transparent substrate. ### Claim 7 (depends on 6) The display defined in claim 6 further comprising: gate lines on the first transparent substrate that control the thin-film transistor circuitry; and gate line driver circuitry that receives at least one signal on the metal line and is configured to drive gate line signals onto the gate lines. ### Claim 8 (depends on 6) The display defined in claim 6 wherein the second transparent substrate comprises a color filter array having color filter element openings formed in the black masking material. ### Claim 9 (depends on 8) The display defined in claim 8 further comprising touch sensor electrodes on the first transparent substrate. ### Claim 10 (depends on 2) The display defined in claim 2 wherein the sealant comprises ultraviolet-light-curable epoxy. ### Claim 11 A method, comprising: forming a metal line on a first display substrate; forming a black masking layer on a second display substrate, wherein the black masking layer overlaps the metal line and has at least one opening; placing sealing adhesive between the first and second display substrates so that the sealing adhesive overlaps the metal line; and curing the sealing adhesive by applying ultraviolet light to the sealing adhesive through the at least one opening in the black masking layer. ### Claim 12 (depends on 11) The method defined in claim 11 further comprising: forming a color filter array on the second display substrate, wherein the color filter array includes color filter element openings formed in the black masking layer. ### Claim 13 (depends on 12) The method defined in claim 12 further comprising: forming at least one opening in the metal line; and curing the sealing adhesive by applying ultraviolet light to the sealing adhesive through the at least one opening in the metal line. ### Claim 14 (depends on 13) The method defined in claim 13 further comprising: forming thin-film transistor circuitry on the first display substrate; forming gate driver circuitry on the first display substrate, wherein the gate driver circuitry is configured to receive at least one signal on the metal line. ### Claim 15 A liquid crystal display having a periphery, comprising: a thin-film transistor layer having a substrate with at least one metal line; a color filter layer having a substrate with a black matrix layer, wherein the black matrix layer has at least one opening that overlaps the at least one metal line; a layer of liquid crystal material interposed between the thin-film transistor layer and the color filter layer; and ultraviolet-light-curable sealant this is interposed between the thin-film transistor layer and the color filter layer, wherein the ultraviolet-light-curable sealant surrounds the liquid crystal material and prevents leakage of the liquid crystal material at the periphery of the display, and wherein the at least one opening in the black matrix layer overlaps the ultraviolet-light-curable sealant. ### Claim 16 (depends on 15) The liquid crystal display defined in claim 15 wherein the black matrix layer comprises a peripheral border region, wherein the black matrix layer comprises a first plurality of openings that includes the at least one opening, wherein the first plurality of openings is distributed along the peripheral border region, and wherein each of the first plurality of openings overlaps the ultraviolet-light-curable sealant. ### Claim 17 (depends on 16) The liquid crystal display defined in claim 16 wherein the at least one metal line has a second plurality of openings and wherein the ultraviolet-light-curable sealant overlaps the second plurality of openings. ### Claim 18 (depends on 17) The liquid crystal display defined in claim 17 wherein the thin-film transistor layer comprises: thin-film transistor circuitry; gate lines that control the thin-film transistor circuitry; and gate line driver circuitry that receives at least one signal on the metal line and is configured to drive gate line signals onto the gate lines. ### Claim 19 (depends on 17) The liquid crystal display defined in claim 17 wherein the thin-film transistor layer comprises touch sensor electrodes. ### Claim 20 (depends on 17) The liquid crystal display defined in claim 17 wherein the first plurality of openings overlaps a first portion of the ultraviolet-light-curable sealant and wherein the second plurality of openings overlaps a second portion of the ultraviolet-light-curable sealant.