# US 2018/0321773 A1 · Touch device and touch display panel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0321773 A1 - Document ID: US20180321773A1 - Status: Published application - Kind: A1 - Application number: 16/035,260 - Filed: 2018-07-13 - Published: 2018-11-08 - Earliest claimed: 2008-12-11 - Assignees: Au Optronics Corporation - Applicants: Au Optronics Corp. - Inventors: Tun-Chun Yang; Seok-Lyul Lee; Wei-Ming Huang - Web page: https://patentgrep.com/patent/US20180321773A1 ## CPC - G02F 1/13338: {Input devices, e.g. touch panels} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0443: {using a single layer of sensing electrodes} - G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes} - G09G 3/36: using liquid crystals - G02F 1/134318: {having a patterned common electrode} - G06F 2203/04106: Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection - G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate - G06F 2203/04112: Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material - 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) - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) ## Abstract A touch display panel comprises a first substrate, a plurality of first sensing series and a plurality of second sensing series, wherein both the first sensing series and the second sensing series are above the first substrate, and the first sensing series and the second sensing series are crossly arranged to form a plurality of sensing series openings in between, a first insulating layer, covering the first sensing series and the second sensing series, a patterned black matrix layer, comprising a plurality of black matrix openings arranged in a matrix formation, a second insulating layer, covering the patterned black matrix layer; and a patterned common electrodes layer. The plurality of sensing series openings, the plurality of black matrix openings, and the patterned common electrode layer are overlapped. ## Claims ### Claim 1 A touch display panel, comprising: a first substrate; a plurality of first sensing series and a plurality of second sensing series, wherein both the first sensing series and the second sensing series are above the first substrate, and the first sensing series and the second sensing series are crossly arranged to form a plurality of sensing series openings in between; a first insulating layer, covering the first sensing series and the second sensing series; a patterned black matrix layer, comprising a plurality of black matrix openings arranged in a matrix formation; a second insulating layer, covering the patterned black matrix layer; and a patterned common electrodes layer; wherein said plurality of sensing series openings, said plurality of black matrix openings, and said patterned common electrode layer are overlapped; and wherein the patterned black matrix layer defines displaying regions and light shielding regions, and the plurality of black matrix openings corresponds to the displaying regions. ### Claim 2 (depends on 1) The touch device of claim 1, wherein the patterned common electrode layer, disposed on the first insulating layer, comprises a plurality of electrode portions and a plurality of connecting portions, the plurality of electrode portions corresponds to the displaying regions, the connecting portions are disposed between the adjacent electrode portions and over the light-shielding region, and the connecting portions are electrically connected to the electrode portions. ### Claim 3 (depends on 1) The touch device of claim 1, wherein the plurality of first sensing series is perpendicular to the plurality of second sensing series. ### Claim 4 (depends on 1) The touch device of claim 1, wherein each first sensing series and each second sensing series have a plurality of sensing pads and a plurality of bridge lines. ### Claim 5 (depends on 4) The touch device of claim 4, further comprising a patterned transparent floating-electrode layer, disposed between the first substrate and the plurality first sensing series. ### Claim 6 (depends on 5) The touch device of claim 5, wherein the patterned transparent floating-electrode layer comprises a plurality of electrode sections, respectively corresponding to at least one of the sensing pads. ### Claim 7 (depends on 5) The touch device of claim 5, wherein the second insulating layer is disposed between the patterned transparent floating-electrode layer and the plurality of first sensing series. ### Claim 8 (depends on 1) The touch device of claim 1, wherein the patterned common electrode layer, comprising a meshed pattern, is composed of the electrode portions and the connecting portions. ### Claim 9 (depends on 1) The touch device of claim 1, further comprising a patterned anti-reflective layer, disposed between the plurality of first sensing series and the first substrate, wherein the patterned anti-reflective layer overlaps the plurality of first sensing series and the plurality of second sensing series. ### Claim 10 (depends on 1) The touch device of claim 1, wherein the plurality of first sensing series is narrower than the corresponding patterned black matrix layer. ### Claim 11 A touch display panel, comprising: a first substrate; a second substrate; a liquid crystal layer, disposed between the first substrate and the second substrate; a patterned sensing electrode structure, disposed above the surface of the first substrate, and the patterned sensing electrode structure corresponding to a light-shielding region and exposing displaying regions; a first insulating layer, covering the patterned sensing electrode structure; and a patterned common electrode layer, disposed on the first insulating layer, comprising a plurality of electrode portions corresponding to the displaying regions and a plurality of connecting portions, the connecting portions being disposed between the adjacent electrode portions and electrically connected to the electrode portions. ### Claim 12 (depends on 11) The touch display panel of claim 11, wherein the patterned sensing electrode structure comprises a plurality of first sensing series and a plurality of second sensing series, and the plurality of first sensing series is perpendicular to the plurality of second sensing series. ### Claim 13 (depends on 12) The touch display panel of claim 12, wherein each first sensing series and each second sensing series have a plurality of sensing pads and a plurality of bridge lines. ### Claim 14 (depends on 13) The touch display panel of claim 13, further comprising a patterned transparent floating-electrode layer, disposed between the first substrate and the patterned sensing electrode structure. ### Claim 15 (depends on 14) The touch display panel of claim 14, further comprising a second insulating layer disposed between the patterned transparent floating-electrode layer and the patterned sensing electrode structure. ### Claim 16 (depends on 15) The touch display panel of claim 15, wherein the patterned transparent floating-electrode layer comprises a plurality of electrode sections, respectively corresponding to at least one of the sensing pads. ### Claim 17 (depends on 11) The touch display panel of claim 11, wherein the patterned common electrode layer, comprising a meshed pattern, is composed of the electrode portions and the connecting portions. ### Claim 18 (depends on 12) The touch display panel of claim 12, further comprising a patterned anti-reflective layer, disposed between the patterned sensing electrode structure and the first substrate, wherein the patterned anti-reflective layer overlaps with the plurality of first sensing series and the plurality of second sensing series. ### Claim 19 (depends on 11) The touch display panel of claim 11, further comprising: a color filter layer, disposed on the first insulating layer; a patterned black matrix layer, disposed on the color filter layer, wherein the patterned black matrix layer exposes the displaying regions; and a third insulating layer, covering the patterned black matrix layer and the color filter layer. ### Claim 20 (depends on 19) The touch display panel of claim 19, wherein the patterned sensing electrode structure is narrower than the corresponding patterned black matrix layer.