Display device, display module, and electronic device
First Claim
Patent Images
1. A display device comprising:
- a pixel comprising a transistor and a display element;
a first circuit comprising a second circuit and an operational amplifier; and
a wiring,wherein the transistor is electrically connected to the second circuit through the wiring,wherein the operational amplifier is electrically connected to the second circuit,wherein the second circuit is configured to select whether the first circuit is configured as an integrator circuit whose input terminal is an inverting input terminal of the operational amplifier or a voltage follower circuit whose input terminal is a non-inverting input terminal of the operational amplifier,wherein the second circuit is configured to establish an electrical continuity between the input terminal of the integrator circuit and the wiring, andwherein the second circuit is configured to establish an electrical continuity between the input terminal of the voltage follower circuit and the wiring.
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Abstract
To provide a display device which can perform external correction and has a reduced area occupied by a read circuit. The display device includes a pixel and the read circuit. The pixel includes a transistor and a display element. The read circuit includes a function selection portion and an operational amplifier. The transistor is electrically connected to the function selection portion through a wiring. The operational amplifier is electrically connected to the function selection portion. The function selection portion includes at least one switch and can select the function of the read circuit by switching of the switch.
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Citations
21 Claims
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1. A display device comprising:
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a pixel comprising a transistor and a display element; a first circuit comprising a second circuit and an operational amplifier; and a wiring, wherein the transistor is electrically connected to the second circuit through the wiring, wherein the operational amplifier is electrically connected to the second circuit, wherein the second circuit is configured to select whether the first circuit is configured as an integrator circuit whose input terminal is an inverting input terminal of the operational amplifier or a voltage follower circuit whose input terminal is a non-inverting input terminal of the operational amplifier, wherein the second circuit is configured to establish an electrical continuity between the input terminal of the integrator circuit and the wiring, and wherein the second circuit is configured to establish an electrical continuity between the input terminal of the voltage follower circuit and the wiring. - View Dependent Claims (2, 3, 4)
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5. A display device comprising:
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a pixel comprising a transistor and a display element; a first circuit comprising a second circuit and an operational amplifier electrically connected to the second circuit, the second circuit comprising a capacitor; a first wiring; and a second wiring, wherein the transistor is electrically connected to the second circuit through the first wiring, wherein one electrode of the capacitor is electrically connected to an inverting input terminal of the operational amplifier, wherein the other electrode of the capacitor is electrically connected to an output terminal of the operational amplifier, wherein the second circuit includes a first switch, a second switch, a third switch, and a fourth switch, wherein the inverting input terminal of the operational amplifier is electrically connected to the first wiring through the first switch, wherein a non-inverting input terminal of the operational amplifier is electrically connected to the first wiring through the second switch, wherein the non-inverting input terminal of the operational amplifier is electrically connected to the second wiring through the third switch, and wherein the output terminal of the operational amplifier is electrically connected to the inverting input terminal of the operational amplifier through the fourth switch. - View Dependent Claims (6, 7, 8, 9)
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10. A display device comprising:
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a pixel comprising a transistor and a display element; a first circuit comprising a second circuit and an operational amplifier; and a first wiring, wherein the transistor is electrically connected to the second circuit through the first wiring, wherein the operational amplifier is electrically connected to the second circuit, wherein the second circuit is configured to select whether the first circuit is configured as a current-voltage converter circuit whose input terminal is an inverting input terminal of the operational amplifier or a voltage follower circuit whose input terminal is a non-inverting input terminal of the operational amplifier, wherein the second circuit is configured to establish an electrical continuity between the input terminal of the current-voltage converter circuit and the wiring, and wherein the second circuit is configured to establish an electrical continuity between the input terminal of the voltage follower circuit and the wiring. - View Dependent Claims (11, 12, 13, 14)
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15. A display device comprising:
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a pixel comprising a transistor and a display element; a first circuit comprising a second circuit and an operational amplifier; and a first wiring, wherein the transistor is electrically connected to the second circuit through the first wiring, wherein the operational amplifier is electrically connected to the second circuit, wherein the second circuit is configured to select whether the first circuit is configured as an integrator circuit whose input terminal is an inverting input terminal of the operational amplifier or a current-voltage converter circuit whose input terminal is the inverting input terminal of the operational amplifier, wherein the second circuit is configured to establish an electrical continuity between the input terminal of the integrator circuit and the wiring, and wherein the second circuit is configured to establish an electrical continuity between the input terminal of the current-voltage converter circuit and the wiring. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification