ELECTROSTATIC CAPACITANCE TYPE INPUT APPARATUS AND DISPLAY APPARATUS WITH INPUT FUNCTION INCLUDING THE SAME

• US 20110018826A1
• Filed: 07/19/2010
• Published: 01/27/2011
• Est. Priority Date: 07/24/2009
• Status: Abandoned Application

• Current Assignee: Japan Display West Incorporated (Japan Display Incorporated)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Shoji, Hinata
• Application Number:
  US12/838,821
• Publication Number:
  US 20110018826A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 1/16 Constructional details or arrangements
• CPC Class Codes: 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
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/0447 Position sensing using the local deformation of sensor cells

Abstract

Disclosed herein is an electrostatic capacitance type input apparatus, including, a first substrate, a flexible second substrate disposed so as to face the first substrate, a first electrode for detection of a depressed position, the first electrode being provided either on a surface side, in the first substrate, facing the flexible second substrate or on a side opposite to the flexible second substrate with respect to the first substrate, a second electrode for detection of a depressed position, the second electrode being provided on the flexible second substrate, and an elastic member having an insulating property and provided between the first substrate and the flexible second substrate.

Claims

1. An electrostatic capacitance type input apparatus, comprising:

a first substrate;

a flexible second substrate disposed so as to face said first substrate;

a first electrode for detection of a depressed position, said first electrode being provided either on a surface side, in said first substrate, facing said flexible second substrate or on a side opposite to said flexible second substrate with respect to said first substrate;

a second electrode for detection of a depressed position, said second electrode being provided on said flexible second substrate; and

an elastic member having an insulating property and provided between said first substrate and said flexible second substrate.

2. The electrostatic capacitance type input apparatus according to claim 1, wherein said flexible second substrate is made from a plastic sheet.

3. The electrostatic capacitance type input apparatus according to claim 1, wherein said elastic member having the insulating property is a gel-like sheet which is disposed so as to be interposed between said first substrate and said flexible second substrate.

4. The electrostatic capacitance type input apparatus according to claim 3, wherein said gel-like sheet is adhered to each of said first substrate and said flexible second substrate.

5. The electrostatic capacitance type input apparatus according to claim 3, wherein an elastic modulus of said gel-like sheet under a condition in which a temperature is 20°

C. is equal to or larger than 1×

10⁴N/m², and is equal to or smaller than 1×

10⁸ N/m².

6. The electrostatic capacitance type input apparatus according to claim 3, wherein a light blocking member is provided along an outer peripheral edge of said flexible second substrate in any one of a first surface of said flexible second substrate, between said flexible second substrate and said gel-like sheet, and between said gel-like sheet and said first substrate.

7. The electrostatic capacitance type input apparatus according to claim 3, wherein said first substrate includes a protrusion portion protruding from an end edge of said flexible second substrate, and a light blocking member is provided in said protrusion portion along an outer peripheral edge of said flexible second substrate.

8. A display apparatus comprising an input function including said electrostatic capacitance type input apparatus having, a first substrate, a flexible second substrate disposed so as to face said first substrate, a first electrode for detection of a depressed position, said first electrode being provided either on a surface side, in said first substrate, facing said flexible second substrate or on a side opposite to said flexible second substrate with respect to said first substrate, a second electrode for detection of a depressed position, said second electrode being provided on said flexible second substrate, and an elastic member having an insulating property and provided between said first substrate and said flexible second substrate, wherein an image producing device is provided so as to be disposed on a side opposite to said flexible second substrate side with respect to said first substrate.