DISPLAY DEVICE WITH TOUCH DETECTION FUNCTION, ELECTRONIC APPARATUS, AND TOUCH DETECTION DEVICE
First Claim
1. A display device with a touch detection function comprising:
- a variable focus lens unit that includesa first substrate including a first electrode,a second substrate including a second electrode, anda variable focus layer that is provided between the first electrode side of the first substrate and the second electrode side of the second substrate and in which a refractive index of transmitted light varies depending on a certain signal applied between the first electrode and the second electrode;
a display unit including a display region that displays an image via the variable focus lens unit;
a drive electrode that is arranged in the display unit or at a position opposed to the display region, and divided into a plurality of pieces; and
a touch detection unit configured to detect a position of a proximity object using one of the first electrode and the second electrode as a touch detection electrode based on change in capacitance with respect to the drive electrode.
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Accused Products
Abstract
According to an aspect, a display device with a touch detection function includes: a variable focus lens unit that includes a first substrate including a first electrode, a second substrate including a second electrode, and a variable focus layer that is provided between the first substrate and the second substrate; a display unit including a display region that displays an image via the variable focus lens unit; a drive electrode that is arranged in the display unit or at a position opposed to the display region, and divided into a plurality of pieces; and a touch detection unit configured to detect a position of a proximity object using one of the first electrode and the second electrode as a touch detection electrode based on change in capacitance with respect to the drive electrode.
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Citations
14 Claims
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1. A display device with a touch detection function comprising:
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a variable focus lens unit that includes a first substrate including a first electrode, a second substrate including a second electrode, and a variable focus layer that is provided between the first electrode side of the first substrate and the second electrode side of the second substrate and in which a refractive index of transmitted light varies depending on a certain signal applied between the first electrode and the second electrode; a display unit including a display region that displays an image via the variable focus lens unit; a drive electrode that is arranged in the display unit or at a position opposed to the display region, and divided into a plurality of pieces; and a touch detection unit configured to detect a position of a proximity object using one of the first electrode and the second electrode as a touch detection electrode based on change in capacitance with respect to the drive electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13)
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12. A display device with a touch detection function comprising:
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a variable focus lens unit that includes a first substrate including a first electrode, a second substrate including a second electrode, and a variable focus layer that is provided between the first electrode side of the first substrate and the second electrode side of the second substrate and in which a refractive index of transmitted light varies depending on a certain signal applied between the first electrode and the second electrode; a display unit including a display region that displays an image via the variable focus lens unit; a drive electrode that is arranged in the display unit or at a position opposed to the display region, and divided into a plurality of pieces; a touch detection electrode that is divided into a plurality of pieces; and a touch detection unit configured to detect a position of a proximity object using one of the first electrode and the second electrode as the drive electrode based on change in capacitance between the touch detection electrode and the drive electrode, wherein each of the first electrode and the second electrode is divided, a direction in which the first electrode extends is parallel to a direction in which the second electrode extends, and a width of one of the first electrode and the second electrode to which a common potential for variable focus is applied is enlarged.
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14. A touch detection device comprising:
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a variable focus lens unit that includes a first substrate including a first electrode, a second substrate including a second electrode, and a variable focus layer that is provided between the first electrode side of the first substrate and the second electrode side of the second substrate and in which a refractive index of transmitted light varies depending on a certain signal applied between the first electrode and the second electrode; a drive electrode that is divided into a plurality of pieces; and a touch detection unit configured to detect a position of a proximity object using one of the first electrode and the second electrode as a touch detection electrode based on change in capacitance with respect to the drive electrode, wherein, when one of the first electrode and the second electrode serves as the touch detection electrode, the other one of the first electrode and the second electrode serves as the drive electrode.
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Specification