Display device with touch panel

• US 8,803,836 B2
• Filed: 08/14/2013
• Issued: 08/12/2014
• Est. Priority Date: 01/13/2009
• Status: Active Grant

• Current Assignee: Panasonic Intellectual Property Corporation of America (Panasonic Holdings Corporation)
• Original Assignee: Japan Display Incorporated, Panasonic Liquid Crystal Display Company Limited (Panasonic Holdings Corporation)
• Inventors: Ookawara, Takeshi, Matsudate, Noriharu
• Primary Examiner(s): Dharia, Prabodh M
• Application Number:
  US13/966,857
• Publication Number:
  US 20130328815A1
• Time in Patent Office: 363 Days
• Field of Search: 345173-179, 349/12, 349/58, 349/153, 349/155, 349/156, 438/51, 438/455, 178 1801- 1806
• US Class Current: 345/173
• CPC Class Codes: G06F 3/045 using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact
• CPC Class Codes: G06F 3/047 using sets of wires, e.g. crossed wires

Abstract

A display device with a touch panel which includes a first substrate, and a second substrate facing the first substrate. The first and second substrates each include a detection area to detect a coordinate and an outside area which includes external terminals. The first substrate includes first lines to detect a coordinate, and the second substrate includes second lines, made of metal, in the detection area which face the first substrate. A polarizing plate is arranged on the first substrate at a side opposite to the second substrate.

Claims

1. A display device with a touch panel comprising:

the touch panel which includes a first substrate, and a second substrate arranged to face the first substrate in an opposed manner, wherein;

the first substrate and the second substrate each include a detection area configured to detect a coordinate and an outside area in which external terminals are formed,

the first substrate includes a plurality of first lines each configured to detect a coordinate,

the second substrate includes a plurality of second lines in the detection area which face the first substrate,

each of the plurality of first lines and the plurality of second lines are configured of metal,

each of the plurality of first lines is black in color,

a polarizing plate is arranged on the first substrate at a side opposite to the second substrate,

the first substrate includes a plurality of wiring groups,

each of the plurality of wiring groups include at least two first lines of the plurality of first lines, and

the at least two first lines of each of the plurality of wiring groups are combined with each other.

2. The display device with a touch panel according to claim 1, wherein the polarizing plate comprises a linear polarizing plate.

3. The display device with a touch panel according to claim 1, wherein the polarizing plate comprises a circular polarizing plate.

4. The display device with a touch panel according to claim 1, wherein the second lines comprise a second electrode each configured to detect a coordinate.

5. The display device with a touch panel according to claim 1, wherein a transparent electrode connects to the second lines.

6. A display device with a touch panel according to claim 1, wherein the at least two first lines of each of the plurality of wiring groups are combined with each other by a pad member.

7. A display device with a touch panel according to claim 1, wherein a transparent conductive film overlaps the plurality of the second lines in plan view, and wherein the transparent conductive film is electrically connected to the plurality of the second lines.

8. A display device with a touch panel comprising:

the touch panel including a first substrate having a detection area to detect a coordinate and an outside area in which external terminals are formed, a plurality of first lines to detect the coordinate in the detection area, a plurality of second lines to detect the coordinate in the detection area, each of the plurality of first lines traversing each of the plurality of second lines;

an organic luminescence electric device panel which is adhered to the touch panel; and

a circular polarizing plate which is adhered to the touch panel at a side opposite to the organic luminescence electric device panel.

9. A display device with a touch panel according to claim 8, wherein each of the plurality of first lines and the plurality of second lines is made of metal, and wherein each of the plurality of first lines is black in color.

10. A display device with a touch panel according to claim 9, wherein the touch panel includes a plurality of wiring groups, wherein each of plurality of wiring groups includes at least first two lines of the plurality of first lines, and wherein the at least two first lines in each of plurality of wiring groups are combined with each other.

11. A display device with a touch panel according to claim 10, wherein the at least two first lines of each of the plurality of wiring groups are combined with each other by a pad member.

12. A display device with a touch panel according to claim 9, wherein a transparent conductive film overlays the plurality of the second lines, and wherein the transparent conductive film is electrically connected to the plurality of the second lines.

13. A display device with a touch panel according to claim 10, wherein a transparent conductive film overlays the plurality of the first lines, and wherein the transparent conductive film is electrically connected to the plurality of the first lines.

14. A display device with a touch panel according to claim 9, wherein a transparent conductive film underlays the plurality of the second lines, and wherein the transparent conductive film is electrically connected to the plurality of the second lines.

15. A display device with a touch panel according to claim 10, wherein a transparent conducive film underlays the plurality of the first lines, and wherein the transparent conductive film is electrically connected to the plurality of first lines.