Conductive film and display apparatus provided with same

Patent metadata

Field	Value
Publication number	US-10779447-B2
Application number	US-201715840817-A
Country	US
Kind code	B2
Filing date	Dec 13, 2017
Priority date	Jan 18, 2011
Publication date	Sep 15, 2020
Grant date	Sep 15, 2020

Abstract

The present invention discloses a conductive film and a display apparatus provided with the conductive film. A conductive film is disposed on a display panel of a display apparatus, and has a base body, and a conductive section formed on one of the main surfaces of the base body. The conductive section has a mesh pattern composed of fine metal lines, and the fine metal lines have a tilt of 30-44° with respect to the alignment direction of pixels of the display apparatus.

First claim

The invention claimed is:

1. A display device comprising a conductive member disposed on a display panel,
wherein the conductive member includes
a substrate, and
a conductive part disposed on one main surface of the substrate, wherein
the conductive part contains two or more conductive patterns composed of a thin metal wire,
the conductive patterns extend in a first direction and are arranged in a second direction perpendicular to the first direction,
the conductive patterns each contain a combination of two or more small lattices,
the small lattices each have a rhombic shape,
at least one side of each small lattice is at an angle of 32° to 44° or 46° to 58° with respect to the first direction, and
at least one vertex angle of each small lattice is twice an angle that is formed by the one side and the first direction, and
the first direction is parallel to an arrangement direction of pixels of the display panel.

2. The display device according to claim 1 ,
wherein a line width of the thin metal wire is 2 to 7 μm.

3. The display device according to claim 2 ,
wherein a thickness of the thin metal wire is less than 9 μm.

4. The display device according to claim 1 ,
wherein at least one side of each small lattice is at an angle of 32° to 39° with respect to the first direction.

5. The display device according to claim 1 ,
wherein at least one side of each small lattice is at an angel of 51° to 58° with respect to the first direction.

6. The display device according to claim 1 ,
wherein the conductive patterns each contain two or more large lattices that are connected in series in the first direction,
the large lattices each contain a combination of two or more small lattices.

7. A touch sensor comprising the display device according to claim 1 .

8. A touch panel comprising the display device according to claim 1 .

9. A conductive member for a display panel comprising
a first conductive part having a first pattern,
a second conductive part having a second pattern, and electrically isolated from the first conductive part,
wherein a combined pattern of an overlay of the first pattern of the first conductive part and the second pattern of the second conductive part forms a mesh pattern,
the mesh pattern has a rhombic shape,
a vertex angle of the rhombic shape is at an angle of 60° to 88° or 92° to 120° with respect to a first direction,
the first direction is parallel to an arrangement direction of pixels of the display panel.

10. A touch sensor comprising the conductive member according to claim 9 .

11. A touch panel comprising the conductive member according to claim 9 .

12. A conductive member for a display panel comprising
a first conductive part,
a second conductive part electrically isolated from the first conductive part,
wherein the first conductive part contains two or more first conductive patterns,
the first conductive patterns each extend in a first direction and are arranged in a second direction perpendicular to the first direction,
the second conductive part contains two or more second conductive patterns,
the second conductive patterns each extend in the second direction and are arranged in the first direction,
the first conductive patterns and the second conductive patterns each contain a combination of two or more small lattices,
the small lattices each have a rhombic shape,
at least one side of each small lattice is at an angle of 30° to 44° or 46° to 60° with respect to the first direction,
wherein the first direction is parallel to an arrangement direction of pixels of the display panel,
at least one vertex angle of each small lattice is twice an angle that is formed by the one side and the first direction.

13. The conductive member according to claim 12 ,
wherein at least one side of each small lattice is at an angle of 32° to 44° or 46° to 58° with respect to the first direction.

14. A touch sensor comprising the conductive member according to claim 12 .

15. A touch panel comprising the conductive member according to claim 12 .

16. A conductive member for a touch panel display comprising
a first conductive part having a first pattern,
a second conductive part having a second pattern and electrically isolated from the first conductive part,
wherein an overlay of the first pattern of the first conductive part with the second pattern of the second conductive part forms a mesh pattern,
wherein an opening of the mesh pattern has a rhombic shape;
a vertex angle of the rhombic shape is at an angle of 60° to 88° or 92° to 120° with respect to a first direction,
the first direction is parallel to an arrangement of pixels of the display panel.

17. A touch sensor comprising the conductive member according to claim 16 .

18. A touch panel comprising the conductive member according to claim 16 .

Assignees

• Fujifilm Corp

Inventors

• Kuriki Tadashi
• Iwami Kazuchika

Classifications

• H05K9/0096 Primary

  for television displays, e.g. plasma display panel · CPC title

• G06F3/0446

  using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes · CPC title

• G06F2203/04103

  Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices · CPC title

• G06F3/044 Primary

  by capacitive means · CPC title

• G06F3/0412

  Digitisers structurally integrated in a display · CPC title