Display apparatus, drive control method of display apparatus and manufacturing method of display apparatus

A display apparatus, comprising:

• a display panel which comprises a plurality of display pixels and a partition wall layer, the plurality of display pixels are arranged in a two-dimensional array in one surface side of a first substrate which are formed of a plurality of first electrodes provided in the one surface side of the first substrate, a second electrode in which one surface side thereof faces each of the first electrodes and display functional layers which are provided between each of the first electrodes and the second electrode and the partition wall layer is disposed to define a forming region for each of the plurality of display pixels, wherein the second electrode is disposed so as to face the plurality of first electrodes including an upper surface of the partition wall layer;
• a resistive film which has a predetermined resistivity in which one surface side thereof is provided so as to face the other surface side of the second electrode via a predetermined space above the upper surface of the partition wall layer and which is disposed so as to be conductive to the other surface side of the second electrode by a pressure applied from outside;
• a voltage applying circuit to form a voltage gradient in a first direction of the resistive film and a voltage gradient in a second direction orthogonal to the first direction of the resistive film;
• a position detection circuit to detect a position where the resistive film is conductive to the second electrode based on a voltage value of a voltage detected from the second electrode when the resistive film is conductive to the second electrode;
• and
• a switching circuit to connect the second electrode to the position detection circuit when in an operation mode to detect the position where the pressure is applied, and to connect the second electrode to a voltage source for applying a voltage to drive the plurality of display pixels when in an operation mode to carry out an image display in the display panel.

A drive control method of a display apparatus, comprising:

• writing display data in a plurality of display pixels of a display panel by connecting a second electrode to a voltage source for applying a voltage to drive the plurality of display pixels, in a writing operation period which is a part of a certain operation period;
• displaying an image according to the display data in the display panel by connecting the second electrode to the voltage source for applying the voltage to drive the plurality of display pixels, in a display operation period which is a part of the operation period;
• and
• detecting a position where a resistive film is conductive to the second electrode based on a voltage value of a voltage which is detected from the second electrode when the second electrode and the resistive film be conductive due to a pressure by shutting off the second electrode from the voltage source and by forming a voltage gradient in a predetermined direction in the resistive film, in a position detection operation period which is a part of the operation period, wherein
• the display apparatus comprises;
• a display panel which comprises a plurality of display pixels and a partition wall layer (16), the plurality of display pixels are arranged in a two-dimensional array in one surface side of a first substrate which are formed of a plurality of first electrodes provided in the one surface side of the first substrate, a second electrode in which one surface side thereof faces each of the first electrodes and display functional layers which are provided between each of the first electrodes and the second electrode and the partition wall layer is disposed to define a forming region for each of the plurality of display pixels, wherein the second electrode is disposed so as to face the plurality of first electrodes including an upper surface of the partition wall layer;
• and
• a resistive film which has a predetermined resistivity in which one surface side thereof is provided so as to face the other surface side of the second electrode via a predetermined space above the upper surface of the partition wall layer and which is disposed so as to be conductive to the other surface side of the second electrode by a pressure applied from outside.

A manufacturing method of a display apparatus having a plurality of display pixels, comprising:

• forming a plurality of first electrodes on one surface side of a substrate;
• forming a partition wall layer for defining a forming region of each of the plurality of display pixels on the one surface side of the substrate;
• forming a display functional layer on an upper surface of the first electrodes;
• forming a second electrode so that one surface side of the second electrode face each of the first electrodes via the display functional layer including an upper surface of the partition wall layer;
• forming a display panel having a plurality of display pixels formed of the plurality of first electrodes, the display functional layer and the second electrode;
• and
• attaching a resistive film having a predetermined resistivity so that one surface side of the resistive film face the other surface side of the second electrode of the display panel and so as to be conductive to the other surface side of the second electrode due to a pressure being applied from outside by having a predetermined space above the upper surface of the partition wall layer.