# US 2014/0192275 A1 · In-Cell Touch Display Panel Structure with Metal Layer on Lower Substrate for Sensing > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192275 A1 - Document ID: US20140192275A1 - Status: Published application - Kind: A1 - Application number: 14/151,093 - Filed: 2014-01-09 - Published: 2014-07-10 - Earliest claimed: 2013-01-10 - Assignees: Superc-Touch Corporation - Applicants: SuperC-Touch Corporation - Inventors: Hsiang-Yu LEE - Web page: https://patentgrep.com/patent/US20140192275A1 ## CPC - G02F 1/13338: {Input devices, e.g. touch panels} - G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)} - G02F 1/136286: {Wiring, e.g. gate line, drain line} - G06F 3/0412: {Digitisers structurally integrated in a display} - G06F 3/0443: {using a single layer of sensing electrodes} - 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) ## Abstract An in-cell touch display panel structure with metal layer on lower substrate for sensing includes an upper substrate, a lower substrate, a liquid crystal layer, a black matrix layer and a thin film transistor and sensing electrode layer. The upper substrate and the lower substrate are in parallel with each other and the liquid crystal layer is configured between the upper substrate and the lower substrate. The black matrix layer is disposed at one surface of the upper substrate, and is composed of a plurality of opaque lines. The thin film transistor and sensing electrode layer is disposed at one surface of the lower substrate, and includes a plurality of scanning lines, a plurality of data lines, and a plurality of sensing conductor lines. The plurality of sensing conductor lines is disposed corresponding to positions of the plurality of opaque lines of the black matrix. ## Claims ### Claim 1 An in-cell touch display panel structure with metal layer on lower substrate for sensing, comprising: an upper substrate; a lower substrate parallel to the first substrate; a liquid crystal layer configured between the upper substrate and the lower substrate; a black matrix layer disposed at one surface of the upper substrate facing the liquid crystal layer, the black matrix layer being composed of a plurality of opaque lines; and a thin film transistor and sensing electrode layer disposed at one surface of the lower substrate facing the liquid crystal layer, the thin film transistor and sensing electrode layer including a plurality of scanning lines, a plurality of data lines, and a plurality of sensing conductor lines, wherein the plurality of sensing conductor lines are disposed corresponding to positions of the plurality of opaque lines of the black matrix. ### Claim 2 (depends on 1) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 1, wherein the plurality of scanning lines and the plurality of data lines are disposed corresponding to the positions of the plurality of opaque lines of the black matrix, and the plurality of sensing conductor lines are disposed at one surface of the plurality of scanning lines and the plurality of data lines facing the liquid crystal layer. ### Claim 3 (depends on 2) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 2, wherein the plurality of sensing conductor lines are divided into a first group of sensing conductor lines and a second group of sensing conductor lines, the first group of sensing conductor lines being formed with N quadrilateral regions, where N is a positive integer, the sensing conductor lines in any one of the quadrilateral regions being electrically connected together while the sensing conductor lines in any two quadrilateral regions are not electrically connected, so as to form a single-layered touch pattern on the thin film transistor and sensing electrode layer. ### Claim 4 (depends on 3) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 3, wherein the second group of sensing conductor lines is formed with N conductive traces, each of the N conductive traces being electrically connected to a corresponding quadrilateral region, while any two conductive traces are not electrically connected. ### Claim 5 (depends on 4) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 4, wherein the plurality of sensing conductor lines of the thin film transistor and sensing electrode layer are arranged in a first direction and a second direction. ### Claim 6 (depends on 5) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 5, wherein the first direction is vertical with the second direction. ### Claim 7 (depends on 6) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 6, further comprising a color filter layer that is disposed on one surface of the black matrix layer that faces the liquid crystal layer. ### Claim 8 (depends on 7) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 7, further comprising an over coating layer disposed on a surface of the color filter. ### Claim 9 (depends on 8) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 8, further comprising a common electrode layer disposed between the upper substrate and the lower substrate. ### Claim 10 (depends on 9) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 9, wherein each of the quadrilateral regions is formed in a rectangle, square, or rhombus shape. ### Claim 11 (depends on 10) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 10, wherein the plurality of sensing conductor lines of the thin film transistor and sensing electrode layer are made of conductive metal material or alloy material. ### Claim 12 (depends on 11) The in-cell touch display panel structure with metal layer on lower substrate for sensing as claimed in claim 11, wherein the conductive metal material is selectively to be chromium, barium, aluminum, titanium, and alloy thereof.