Antenna-equipped touch panel having an opening between antenna pattern and detection pattern

Patent metadata

Field	Value
Publication number	US-9904430-B2
Application number	US-201715479035-A
Country	US
Kind code	B2
Filing date	Apr 4, 2017
Priority date	Jul 3, 2015
Publication date	Feb 27, 2018
Grant date	Feb 27, 2018

Abstract

An antenna-equipped touch panel is one that is laminated on a display device in order to be used. The antenna-equipped touch panel includes an antenna pattern including an antenna element and a first wire of an antenna, the first wire being electrically connected to the antenna element; and a detection pattern including electrodes and second wires of the touch panel, the second wires being electrically connected to the electrodes. In plan perspective view, a shortest distance between the antenna pattern and the detection pattern is greater than or equal to 1.0 mm and less than or equal to 20.0 mm.

First claim

What is claimed is:

1. An antenna-equipped touch panel that is laminated on a display device in order to be used, comprising:
an antenna pattern that includes an antenna element and a first wire of an antenna, the first wire being electrically connected to the antenna element, the antenna pattern being formed from a conductive film;
a detection pattern that includes electrodes and second wires of the touch panel, the second wires being electrically connected to the electrodes, the detection pattern being formed from a conductive film; and
a base member, one surface of surfaces of the base member being a first panel surface, and another surface of the surfaces of the base member opposite to the one surface being a second panel surface,
wherein, in plan perspective view, a shortest distance between the antenna pattern and the detection pattern is greater than or equal to 1.0 mm and less than or equal to 20.0 mm,
wherein a detecting method of the touch panel is a capacitive method,
wherein the electrodes include a plurality of transmission electrodes (Tx) and a plurality of reception electrodes (Rx),
wherein the second wires include transmission wires that are drawn out from the transmission electrodes (Tx) and reception wires that are drawn out from the reception electrodes (Rx),
wherein the transmission electrodes (Tx) and the transmission wires of the detection pattern are disposed on the first panel surface of the base member,
wherein the reception electrodes (Rx) and the reception wires of the detection pattern are disposed on the second panel surface of the base member,
wherein the antenna element and the first wire of the antenna pattern are disposed on a peripheral edge portion of at least one of the first panel surface and the second panel surface of the base member in the plan perspective view,
wherein, in the plan perspective view, the base member has a gap area between a first area of the base member where the antenna pattern is disposed and a second area of the base member where the detection pattern is disposed such that the first area and the second area do not overlap in the plan perspective view, and
wherein, in the plan perspective view, the base member has an opening between the antenna pattern the detection pattern, the opening passing through the base member from the first panel surface to the second panel surface, and the opening being provided in the gap area of the base member.

2. An antenna-equipped touch panel that is laminated on a display device in order to be used, comprising:
an antenna pattern that includes an antenna element and a first wire of an antenna, the first wire being electrically connected to the antenna element, the antenna pattern being formed from a conductive film;
a detection pattern that includes electrodes and second wires of the touch panel, the second wires being electrically connected to the electrodes, the detection pattern being formed from a conductive film;
a first base member, the first base member having opposite sides of a first side and a second side, and one of surfaces of the first base member being a first panel surface; and
a second base member, the second base member having opposite sides of a third side and a fourth side, one of surfaces of the second base member being a second panel surface, and the first and second base members being attached with each other by attaching the second side and the third side,
wherein, in plan perspective view, a shortest distance between the antenna pattern and the detection pattern is greater than or equal to 1.0 mm and less than or equal to 20.0 mm,
wherein a detecting method of the touch panel is a capacitive method,
wherein the electrodes include a plurality of transmission electrodes (Tx) and a plurality of reception electrodes (Rx),
wherein the second wires include transmission wires that are drawn out from the transmission electrodes (Tx) and reception wires that are drawn out from the reception electrodes (Rx),
wherein the transmission electrodes (Tx) and the transmission wires of the detection pattern are disposed on the first panel surface of the first base member,
wherein the reception electrodes (Rx) and the reception wires of the detection pattern are disposed on the second panel surface of the second base member,
wherein the antenna element and the first wire of the antenna pattern are disposed on a peripheral edge portion of at least one of the first panel surface and the second panel surface in the plan perspective view,
wherein, in the plan perspective view, one of the first and second base members having the antenna pattern thereon has a gap area between a first area of the one of the first and second base members where the antenna pattern is disposed and a second area of the one of the first and second base members where the detection pattern is disposed such that the first area and the second area do not overlap in the plan perspective view, and
wherein, in the plan perspective view, the one of the first and second base members having the antenna pattern thereon has an opening between the antenna pattern and the detection pattern, the opening passing through both of the first and second base members from the first side of the first base member to the fourth side of the second base member, and the opening being provided in the gap area of the one of the first and second base members.

3. An antenna-equipped touch panel that is laminated on a display device in order to be used, comprising:
an antenna pattern that includes an antenna element and a first wire of an antenna, the first wire being electrically connected to the antenna element, the antenna pattern being formed from a conductive film;
a detection pattern that includes electrodes and second wires of the touch panel, the second wires being electrically connected to the electrodes, the detection pattern being formed from a conductive film; and
a base member, one surface of surfaces of the base member being a first panel surface, and another surface of the surfaces of the base member opposite to the one surface being a second panel surface,
wherein, in plan perspective view, a shortest distance between the antenna pattern and the detection pattern is greater than or equal to 1.0 mm and less than or equal to 20.0 mm,
wherein a detecting method of the touch panel is a capacitive method,
wherein the electrodes include a plurality of transmission electrodes (Tx) and a plurality of reception electrodes (Rx),
wherein the second wires include transmission wires that are drawn out from the transmission electrodes (Tx) and reception wires that are drawn out from the reception electrodes (Rx),
wherein the transmission electrodes (Tx) and the transmission wires of the detection pattern are disposed on the first panel surface of the base member,
wherein the reception electrodes (Rx) and the reception wires of the detection pattern are disposed on the first panel surface of the base member,
wherein the antenna element and the first wire of the antenna pattern are disposed on a peripheral edge portion of at least one of the first panel surface and the second panel surface of the base member in the plan perspective view,
wherein, in the plan perspective view, the base member has a gap area between a first area of the base member where the antenna pattern is disposed and a second area of the base member where the detection pattern is disposed such that the first area and the second area do not overlap in the plan perspective view, and
wherein, in the plan perspective view, the base member has an opening between the antenna pattern and the detection pattern, the opening passing through the base member from the first side of the base member to the second side of the base member, and the opening being provided in the gap area of the base member.

4. A t

Assignees

• Nissha Co Ltd

Inventors

• Shibata Junichi
• Moon Inyeol
• Okumura Shuzo

Classifications

• H01Q1/242

  specially adapted for hand-held use · CPC title

• G06F3/044 Primary

  by capacitive means · CPC title

• G06F2203/04111

  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 title

• G06F3/0445

  using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer · CPC title

• G06F3/0443

  using a single layer of sensing electrodes · CPC title