IP Library Granted Patent US 8,872,782
Granted Patent B2
US 8,872,782 · App. 13/590,259 · Granted Oct 28, 2014

Display device

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Quick Facts
Patent No.
US 8,872,782
App. No.
13/590,259
Granted
Oct 28, 2014
Kind
B2
Abstract

The display device according to the present invention has a display panel as well as a touch panel and a front window provided on the display panel on the front side, where the touch panel has a base made of a film and wires formed on the surface of the base, while the connection portion B for connecting the touch panel and the flexible printed circuit is provided in a protrusion of the base, the touch panel and the front window are pasted together with an adhesive layer in between, and at least the adhesive layer is not provided to the protrusion.

Claims (9)

1. A display device, comprising: a display panel; and a touch panel and a front window provided on the display panel on a front side, characterized in that

the touch panel has a base made of a film and wires formed on a surface of the base, and a connection portion for connecting the touch panel to a flexible printed circuit is provided in a protrusion of the base,

the touch panel and the front window are pasted together with an adhesive layer in between, and at least the adhesive layer is not provided to the protrusion of the base of the touch panel, and

the protrusion of the base of the touch panel is configured so that a space between the connection portion of the protrusion and the front window is larger than a space between a part of the touch panel corresponding to a display area of the display panel and the front window.

2. The display device according to claim 1 , characterized in that the configuration of the protrusion enables a thickness of the adhesive layer which parts the touch panel and the front window together to be less than a thickness of the flexible printed circuit.

3. The display device according to claim 1 , characterized in that the connection portion of the protrusion is located inside the outermost periphery of the front window.

4. The display device according to claim 1 , characterized in that the connection portion of the protrusion which enables connection between the touch panel and the flexible printed circuit is formed as a result of the connection through thermal adhesion.

5. The display device according to claim 1 , characterized in that an IC chip for controlling the touch panel is provided on the flexible printed circuit.

6. The display device according to claim 2 , characterized in that the adhesive layer extends between opposing surfaces of the touch panel and the front window to delimit the thickness thereof.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2025
From: JAPAN DISPLAY INC.
To: MAGNOLIA WHITE CORPORATION
Reel/Frame 072130/0313 →
CHANGE OF NAME Recorded Jun 5, 2014
From: JAPAN DISPLAY EAST, INC.
To: JAPAN DISPLAY INC.
Reel/Frame 033086/0828 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 21, 2012
From: OOHIRA, EIJI
To: JAPAN DISPLAY EAST INC.
Reel/Frame 028817/0586 →