DISPLAY APPARATUS FOR SENSING TOUCH AND PROVIDING AN ELECTRO-TACTILE FEELING AND A METHOD OF DRIVING THE SAME
First Claim
1. A touch tactile display apparatus, comprising:
- a display panel configured to display an image in a frame section; and
a tactile touch portion configured to sense a touch by a user and provide an electro-tactile feeling to an area in which the touch is sensed,wherein the tactile touch portion comprises;
drive electrodes spaced apart from each other;
sensing electrodes spaced apart from the drive electrodes, wherein capacitors are formed between the sensing electrodes and each of their adjacent drive electrodes;
a touch processor configured to sense an amount of change of capacitance of the capacitors to obtain a touch coordinate; and
a tactile processor configured to receive the touch coordinate from the touch processor, provide a first tactile signal to a drive electrode corresponding to the touch coordinate and provide a second tactile signal different from the first tactile signal to the rest of the drive electrodes and the sensing electrodes.
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Accused Products
Abstract
A touch tactile display apparatus includes a display panel and a tactile touch portion. The tactile touch portion is configured to sense a touch by a user and provide an electro-tactile feeling to an area in which the touch is sensed. The tactile touch portion includes a first electrode, a touch processor and a tactile processor. The touch processor applies a first signal to the first electrode to extract a touch coordinate. The tactile processor applies a second signal different from the first signal to the first electrode to provide the electro-tactile feeling. The first signal and the second signal are applied at different times.
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Citations
20 Claims
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1. A touch tactile display apparatus, comprising:
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a display panel configured to display an image in a frame section; and a tactile touch portion configured to sense a touch by a user and provide an electro-tactile feeling to an area in which the touch is sensed, wherein the tactile touch portion comprises; drive electrodes spaced apart from each other; sensing electrodes spaced apart from the drive electrodes, wherein capacitors are formed between the sensing electrodes and each of their adjacent drive electrodes; a touch processor configured to sense an amount of change of capacitance of the capacitors to obtain a touch coordinate; and a tactile processor configured to receive the touch coordinate from the touch processor, provide a first tactile signal to a drive electrode corresponding to the touch coordinate and provide a second tactile signal different from the first tactile signal to the rest of the drive electrodes and the sensing electrodes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A touch tactile display apparatus, comprising:
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a display panel configured to display an image in a frame section; and a tactile touch portion configured to sense a touch by a user and effectuates an electro-tactile feeling to an area in which the touch is sensed, wherein the tactile touch portion comprises; self sensing electrodes which are spaced apart from each other and form capacitors between neighboring electrodes; a touch processor configured to sense an amount of change of capacitance of the capacitors to obtain a touch coordinate; and a tactile processor configured to receive the touch coordinate from the touch processor, provide a first tactile signal to a self sensing electrode corresponding to the touch coordinate and provide a second tactile signal different from the first tactile signal to the rest of the self sensing electrodes.
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18. A method of driving a touch tactile display apparatus, comprising:
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displaying an image in a display area; determining whether a user has touched the display area; obtaining a touch coordinate in response to the touch; and providing an electro-tactile feeling which an image corresponding to the touch coordinate indicates to the user. - View Dependent Claims (19, 20)
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Specification