Display device
View Patent ↗The present invention is directed to providing a technology for display devices where a transparent cover is pasted on a display panel according to which inconsistencies resulting from expansion of the polarizing plate in the vicinity of an end portion caused by moisture can be prevented, and the adhesive can be prevented from sagging when the display panel and the transparent cover are pasted together. A display device according to the invention is provided with: a liquid crystal display panel having a first substrate, a second substrate provided on the viewer side of the above described first substrate and a liquid crystal layer sandwiched between the above described first substrate and the above described second substrate; and a transparent cover pasted on the surface of the above described liquid crystal display panel on the above described viewer side using an adhesive. The above described liquid crystal display panel has a polarizing plate between the above described second substrate and the above described transparent cover. The above described adhesive covers the entirety of a side of the above described polarizing plate, and the form of the outer periphery of the above described adhesive in a plane is uneven.
1. A display device, comprising:
a liquid crystal display panel having a first substrate, a second substrate provided on the viewer side of said first substrate and a liquid crystal layer sandwiched between said first substrate and said second substrate; and
a transparent cover pasted on the surface of said liquid crystal display panel on said viewer side using an adhesive, characterized in that
said liquid crystal display panel has a polarizing plate between said second substrate and said transparent cover,
said adhesive covers the entirety of a side of said polarizing plate,
a drive circuit is mounted in a region of said first substrate which protrudes from said second substrate,
said transparent cover covers said drive circuit, and said adhesive is provided between said transparent cover and said drive circuit,
said transparent cover has a light blocking film in the region where said drive circuit is mounted, said adhesive is an adhesive which can be cured through irradiation with light, and said light blocking film has an opening in a portion of the region where said drive circuit is mounted.
2. The display device according to claim 1 , characterized in that the form of the outer periphery of said adhesive in a plane is uneven.
3. The display device according to claim 1 , characterized in that
the thickness of said adhesive between said transparent cover and said polarizing plate is in a range from 30 μm to 200 μm, and
the amount of said adhesive protruding from around said polarizing plate is 0.1 mm or more.
4. The display device according to claim 1 , characterized in that
the thickness of said adhesive between said transparent cover and said polarizing plate is in a range from 30 μm to 100 μm, and
the amount of said adhesive protruding from around said polarizing plate is 0.1 mm or more even where it protrudes the least.
5. The display device according to claim 1 , characterized in that
said liquid crystal display panel has a sealing material for pasting said first substrate and said second substrate together, which is provided around the display region, and
an end portion of said polarizing plate overlaps with said sealing material.
6. The display device according to claim 1 , characterized in that
said liquid crystal display panel has a sealing material for pasting said first substrate and said second substrate together, which is provided around the display region, and
an end portion of said polarizing plate is located on the side closer to said disp region than said sealing material.
7. The display device according to claim 1 , characterized in that said transparent cover is a touch panel.