Display device and cover member

Patent metadata

Field	Value
Publication number	US-9335577-B2
Application number	US-201314022536-A
Country	US
Kind code	B2
Filing date	Sep 10, 2013
Priority date	Sep 14, 2012
Publication date	May 10, 2016
Grant date	May 10, 2016

Abstract

According to one embodiment, a display device includes a display module including a display area which displays an image, a cover member including a transmissive portion opposed to the display area, a first color portion opposed to a peripheral area on an outside of the display area of the display module, and a second color portion located on an outside of the first color portion, and a photosensitive resin which adheres the display module and the cover member to each other, wherein the first color portion has a higher transmittance of light of a wavelength for curing the photosensitive resin than the second color portion.

First claim

What is claimed is:

1. A display device comprising:
a display module including a display area which displays an image;
a cover member including a transmissive portion opposed to the display area, a first color portion opposed to a peripheral area on an outside of the display area of the display module, and a second color portion located on an outside of the first color portion; and
a photosensitive resin which adheres the display module and the cover member to each other,
wherein the cover member includes a transparent substrate, a first color layer disposed over the first color portion and the second color portion on a side of the substrate, which is opposed to the display module, and a second color layer stacked below the first color layer in the second color portion,
the first color portion has a higher transmittance of light of a wavelength for curing the photosensitive resin than the second color portion,
the photosensitive resin is an ultraviolet-curing resin,
the first color layer has a higher transmittance than the second color layer with respect to light of ultraviolet wavelength, and
the first color layer has a lower transmittance than the second color layer with respect to visible light wavelengths.

2. The display device of claim 1 , wherein an edge of the photosensitive resin is located at a position opposed to the first color portion.

3. The display device of claim 2 , wherein an edge of the photosensitive resin is located on the display area side of an edge of the display module.

4. The display device of claim 1 , wherein the first color portion has a frame shape which is continuously formed around the transmissive portion.

5. The display device of claim 1 , wherein the display module includes a display panel which incorporates a touch sensor.

6. The display device of claim 1 , further comprising a touch sensor between the display module and the cover member.

7. The display device of claim 1 , wherein the cover member includes a touch sensor on the display module side.

8. The display device of claim 1 , further comprising an optical element between the display module and the photosensitive resin,
wherein an edge of the photosensitive resin is located on the display area side of an edge of the optical element.

9. A cover member disposed to be opposed to a display module including a display area which displays an image, the cover member being adhered to the display module by a photosensitive resin, the cover member comprising:
a transmissive portion opposed to the display area;
a first color portion opposed to a peripheral area on an outside of the display area of the display module; and
a second color portion located on an outside of the first color portion,
wherein the cover member includes a transparent substrate, a first color layer disposed over the first color portion and the second color portion on a side of the substrate, which is opposed to the display module, and a second color layer stacked below the first color layer in the second color portion,
the first color portion has a higher transmittance of light of a wavelength for curing the photosensitive resin than the second color portion,
the photosensitive resin is an ultraviolet-curing resin,
the first color layer has a higher transmittance than the second color layer with respect to light of ultraviolet wavelength, and
the first color layer has a lower transmittance than the second color layer with respect to visible light wavelengths.

10. The cover member of claim 9 , wherein the first color portion has a frame shape which is continuously formed around the transmissive portion.

11. The cover member of claim 9 , further comprising a touch sensor.

12. The cover member of claim 11 , wherein the touch sensor is attached to a side of the substrate, which is opposed to the display module.

13. The cover member of claim 11 , wherein the touch sensor is formed on an inner surface of the substrate, which is opposed to the display module.

Assignees

• Japan Display Inc

Inventors

• Tanabe Atsushi
• Hirabayashi Ken

Classifications

• G02F1/13338 Primary

  Input devices, e.g. touch panels · CPC title

• G02F2203/055

  wavelength filtering · CPC title

• G02F1/133308

  Support structures for LCD panels, e.g. frames or bezels · CPC title

• G02F2001/133331

  Physics · mapped topic

• G02F1/133514

  Colour filters · CPC title