Display substrate, touch panel and display apparatus
First Claim
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1. A display substrate comprising:
- a plurality of signal input lines;
a plurality of signal output lines intersecting the signal input lines;
a plurality of data lines intersecting the plurality of signal input lines, and a plurality of sub-pixels formed at intersections of the plurality of signal input lines and the plurality of data lines; and
a plurality of pressure sensitive units each formed at a respective one of intersections of the plurality of signal input lines and the plurality of signal output lines, wherein the plurality of pressure sensitive units each comprise;
an input electrode electrically connected to a corresponding one of the plurality of signal input lines;
an output electrode electrically connected to a corresponding one of the plurality of signal output lines; and
a pressure sensitive element responsive to a voltage difference applied across the input electrode and the output electrode and a pressure caused by pressing, wherein the pressure sensitive element is operable to generate a current signal indicative of a magnitude of the pressure, wherein the current signal is output via the output electrode to the corresponding one of the plurality of signal output lines,wherein the input electrode and the output electrode are arranged such that the input electrode does not overlap the output electrode when viewed from above, andwherein the pressure sensitive element comprises a portion not overlapping the input electrode and the output electrode when viewed from above, and the portion comprises a first end connected to the input electrode and a second end connected to the output electrode,wherein the pressure sensitive elements of the plurality of pressure sensitive units are made of a metal oxide piezoelectric material,wherein the data lines extend in a same direction as the signal output lines, and wherein the plurality of signal input lines are reused as gate lines for the sub-pixels,wherein the plurality of sub-pixels comprise respective thin film transistors each having an active layer, and wherein the pressure sensitive element is formed in a same layer as the active layer and is made of a same material as the active layer.
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Abstract
A display substrate is disclosed. The display substrate includes a plurality of pressure sensitive units each including an input electrode electrically connected to one of a plurality of signal input lines, an output electrode electrically connected to one of a plurality of signal output lines, and a pressure sensitive element operable to, responsive to a voltage difference applied across the input electrode and the output electrode and a pressure caused by pressing, generate a current signal indicative of a magnitude of the pressure. Also disclosed are a touch panel and a display apparatus.
9 Citations
13 Claims
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1. A display substrate comprising:
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a plurality of signal input lines; a plurality of signal output lines intersecting the signal input lines; a plurality of data lines intersecting the plurality of signal input lines, and a plurality of sub-pixels formed at intersections of the plurality of signal input lines and the plurality of data lines; and a plurality of pressure sensitive units each formed at a respective one of intersections of the plurality of signal input lines and the plurality of signal output lines, wherein the plurality of pressure sensitive units each comprise; an input electrode electrically connected to a corresponding one of the plurality of signal input lines; an output electrode electrically connected to a corresponding one of the plurality of signal output lines; and a pressure sensitive element responsive to a voltage difference applied across the input electrode and the output electrode and a pressure caused by pressing, wherein the pressure sensitive element is operable to generate a current signal indicative of a magnitude of the pressure, wherein the current signal is output via the output electrode to the corresponding one of the plurality of signal output lines, wherein the input electrode and the output electrode are arranged such that the input electrode does not overlap the output electrode when viewed from above, and wherein the pressure sensitive element comprises a portion not overlapping the input electrode and the output electrode when viewed from above, and the portion comprises a first end connected to the input electrode and a second end connected to the output electrode, wherein the pressure sensitive elements of the plurality of pressure sensitive units are made of a metal oxide piezoelectric material, wherein the data lines extend in a same direction as the signal output lines, and wherein the plurality of signal input lines are reused as gate lines for the sub-pixels, wherein the plurality of sub-pixels comprise respective thin film transistors each having an active layer, and wherein the pressure sensitive element is formed in a same layer as the active layer and is made of a same material as the active layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification