Touch panel and liquid crystal display apparatus using the same
First Claim
1. A touch panel, comprising:
- a first transparent substrate having a first transparent electrically conductive film;
a second transparent substrate having a second transparent electrically conductive film provided on a face opposite to the first transparent electrically conductive film;
an outer circumferential portion for bonding the first transparent substrate and the second transparent substrate while maintaining a specified space therebetween; and
a flexible printed-circuit board (FPC) bonded using thermocompression to at least one of the first transparent substrate and the second transparent substrate, and connected to the first transparent electrically conductive film and the second transparent electrically conductive film, wherein at least one of the first transparent substrate and the second transparent substrate has a projection portion and the FPC is fixed to the projection portion.
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Accused Products
Abstract
The touch panel has a structure such that a projection portion is provided on a second transparent substrate and a flexible printed-circuit board is bonded by thermocompression to the projection portion. By allowing width of a picture frame to be smaller in other portions than the projection portion, downsizing and a lighter weight of a touch panel-carrying apparatus can be attained. By bonding a sheet member such as a polarizing plate to a top face of the second transparent substrate excluding an area of the projection portion, stress to be applied from the sheet member to the thermocompression-bonding portion of the FPC is reduced and, therefore, electric connection stability of the FPC can be enhanced.
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Citations
13 Claims
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1. A touch panel, comprising:
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a first transparent substrate having a first transparent electrically conductive film;
a second transparent substrate having a second transparent electrically conductive film provided on a face opposite to the first transparent electrically conductive film;
an outer circumferential portion for bonding the first transparent substrate and the second transparent substrate while maintaining a specified space therebetween; and
a flexible printed-circuit board (FPC) bonded using thermocompression to at least one of the first transparent substrate and the second transparent substrate, and connected to the first transparent electrically conductive film and the second transparent electrically conductive film, wherein at least one of the first transparent substrate and the second transparent substrate has a projection portion and the FPC is fixed to the projection portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A liquid crystal display apparatus comprising:
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a touch panel comprising a rectangular portion made of a transparent substrate, a projection portion projecting from one side of the rectangular portion and an FPC fixed to the projection portion; and
a liquid crystal display device, wherein the touch panel is disposed on the liquid crystal display device; and
a size of the rectangular portion of the touch panel is same with or smaller than a size of an external shape of the liquid crystal display device. - View Dependent Claims (10, 11, 12, 13)
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Specification