Abstract: A display device includes a substrate, an insulating layer, first chip connection line structures, light emitting elements, a failed microchip, and a repair microchip. The insulating layer is located above of the substrate. The first chip connection line structures are located above the insulating layer and extend from a chip placement area to pixel areas around the chip placement area. The light emitting elements are respectively disposed in the pixel areas. The failed microchip is located in the chip placement area. The insulating layer laterally surrounds the failed microchip. The failed microchip is at least partially connected to the first chip connection line structures. The repair microchip is located in the chip placement area. The repair microchip is electrically connected to the light emitting elements through the first chip connection line structures.

Abstract: A micro-LED display panel and its pixel driving circuit are provided. A first multiplexer switches a base frequency clock signal to a frequency divider circuit or a first bit counter according to a grayscale data signal. The frequency divider circuit divides the base frequency clock signal transmitted by the first multiplexer into a divided base frequency clock signal. The first bit counter counts the base frequency clock signal transmitted by the first multiplexer to generate a first switching signal. A second bit counter counts the divided base frequency clock signal transmitted by the frequency divider circuit to generate a second switching signal. A switch controller switches a switch of at least one pixel circuit according to the first switching signal or the second switching signal.

Abstract: A micro-LED display panel and its pixel driving circuit are provided. A first multiplexer switches a base frequency clock signal to a frequency divider circuit or a first bit counter according to a grayscale data signal. The frequency divider circuit divides the base frequency clock signal transmitted by the first multiplexer into a divided base frequency clock signal. The first bit counter counts the base frequency clock signal transmitted by the first multiplexer to generate a first switching signal. A second bit counter counts the divided base frequency clock signal transmitted by the frequency divider circuit to generate a second switching signal. A switch controller switches a switch of at least one pixel circuit according to the first switching signal or the second switching signal.

Abstract: A chip inspection device comprises a first chip, a second chip, and a processor. During an initial period, the processor outputs a passing down signal to the first chip. During an inspection period, the first chip outputs an error data signal to the processor according to a data signal and outputs an error passing down signal to the second chip according to the passing down signal, and the second chip receives the error passing down signal and outputs the error data signal to the processor. During a calibration period, the processor outputs a feedback signal to the second chip according to the error data signal of the first chip and writes the data signal to the second chip, and the second chip receives the feedback signal and the data signal and outputs the feedback signal or the passing down signal according to the feedback signal.

Abstract: A single-stage gate driving circuit with multiple outputs includes a first bootstrapping circuit, a first pre-charge circuit, a first output control circuit, a second bootstrapping circuit, a second pre-charge circuit, and a second output control circuit. During a first duration, the first pre-charge circuit precharges a first node to a first voltage. During a second duration, the first bootstrapping circuit boosts the first node from the first voltage to a second voltage, and the second pre-charge circuit precharges a second node to a fourth voltage. During a third duration, the first output control circuit boosts the first node from the second voltage to a third voltage, and the second bootstrapping circuit boosts the second node from the fourth voltage to a fifth voltage. During a fourth duration, the second output control circuit boosts the second node from the fifth voltage to a sixth voltage.

Abstract: A gate driving circuit includes a bootstrapping circuit, a pre-charge circuit, and an output control circuit. The bootstrapping circuit is composed of a bootstrapping capacitor and a transistor. A first terminal of the bootstrapping capacitor has a first voltage during a first duration. The pre-charge circuit is connected to the first terminal of the bootstrapping capacitor. The pre-charge circuit boosts the first terminal of the bootstrapping capacitor from the first voltage to a second voltage during a second duration. The bootstrapping circuit boosts the first terminal of the bootstrapping capacitor from the second voltage to a third voltage during a third duration. The output control circuit is connected to the first terminal of the bootstrapping capacitor. The output control circuit boosts the first terminal of the bootstrapping capacitor from the third voltage to a fourth voltage during a fourth duration.

Abstract: A single-stage gate driving circuit with multiple outputs includes a first bootstrapping circuit, a first pre-charge circuit, a first output control circuit, a second bootstrapping circuit, a second pre-charge circuit, and a second output control circuit. During a first duration, the first pre-charge circuit precharges a first node to a first voltage. During a second duration, the first bootstrapping circuit boosts the first node from the first voltage to a second voltage, and the second pre-charge circuit precharges a second node to a fourth voltage. During a third duration, the first output control circuit boosts the first node from the second voltage to a third voltage, and the second bootstrapping circuit boosts the second node from the fourth voltage to a fifth voltage. During a fourth duration, the second output control circuit boosts the second node from the fifth voltage to a sixth voltage.

Abstract: A gate driving circuit includes a bootstrapping circuit, a pre-charge circuit, and an output control circuit. The bootstrapping circuit is composed of a bootstrapping capacitor and a transistor. A first terminal of the bootstrapping capacitor has a first voltage during a first duration. The pre-charge circuit is connected to the first terminal of the bootstrapping capacitor. The pre-charge circuit boosts the first terminal of the bootstrapping capacitor from the first voltage to a second voltage during a second duration. The bootstrapping circuit boosts the first terminal of the bootstrapping capacitor from the second voltage to a third voltage during a third duration. The output control circuit is connected to the first terminal of the bootstrapping capacitor. The output control circuit boosts the first terminal of the bootstrapping capacitor from the third voltage to a fourth voltage during a fourth duration.

Abstract: A touch panel includes a substrate, a first electrode layer, and a second electrode layer. The first electrode layer is disposed over the substrate. The first electrode layer includes a plurality of first receiving electrodes, and the first receiving electrodes are separated from each other, extend along a first direction, and are arranged along a second direction substantially perpendicular to the first direction. The second electrode layer is disposed over the substrate and is electrically insulated from the first electrode layer. The second electrode layer includes a driving electrode and a second receiving electrode. The driving electrode extends along the first direction. The second receiving electrode is separated from the driving electrode and extends along the first direction.

Abstract: A method of calibrating touch sensing applicable to a microprocessor of an ultrasonic touch sensing device, in which the ultrasonic touch sensing device is for generating a touch sensing signal according to a ultrasonic wave, and the method includes: receiving the touch sensing signal; measuring temperature of the ultrasonic touch sensing device to generate multiple temperature parameters; if a variation tendency of the temperature parameters is downward, and if a level of the touch sensing signal lower than a level of a reference signal is first detected, storing the level of the touch sensing signal as a first signal strength and reporting a touch event is detected; and if the variation tendency of the temperature parameters is downward, and if the level of the touch sensing signal lower than the level of the reference signal is not first detected, calibrating the reference signal according to the touch sensing signal.

Abstract: A detection device includes a light refraction structure and a resistance detection circuit. The light refraction structure includes a substrate, a conductive layer, and a refraction layer. The conductive layer and the refraction layer are formed on the substrate. The conductive layer includes a resistance. The resistance detection circuit is electrically coupled to the conductive layer and is adapted to detect the resistance of the conductive layer. The resistance detection circuit generates a detection signal according to a change in the resistance, and the detection signal represents a state of the refraction layer.

Abstract: A touch system includes a processor and a touch array. The touch array includes touch units. Each of the touch units includes a driving electrode, a first sensing electrode, and a second sensing electrode. A first capacitor is formed between the first sensing electrode and the driving electrode. A second capacitor is formed between the second sensing electrode and the driving electrode. The processor is configured to: determine whether the touch array operates in an underwater mode according to the first original capacitance value and the second original capacitance value; determine whether a conductor touch event occurs according to a first threshold value and a voltage across the first capacitor when the touch array operates in the underwater mode; and determine whether a non-conductor touch event occurs according to a second threshold value and a voltage across the second capacitor when the touch array operates in the underwater mode.

Abstract: A touch system includes a processor and a touch array. The touch array includes touch units. Each of the touch units includes a driving electrode, a first sensing electrode, and a second sensing electrode. A first capacitor is formed between the first sensing electrode and the driving electrode. A second capacitor is formed between the second sensing electrode and the driving electrode. The processor is configured to: determine whether the touch array operates in an underwater mode according to the first original capacitance value and the second original capacitance value; determine whether a conductor touch event occurs according to a first threshold value and a voltage across the first capacitor when the touch array operates in the underwater mode; and determine whether a non-conductor touch event occurs according to a second threshold value and a voltage across the second capacitor when the touch array operates in the underwater mode.

Abstract: A detection device includes a light refraction structure and a resistance detection circuit. The light refraction structure includes a substrate, a conductive layer, and a refraction layer. The conductive layer and the refraction layer are formed on the substrate. The conductive layer includes a resistance. The resistance detection circuit is electrically coupled to the conductive layer and is adapted to detect the resistance of the conductive layer. The resistance detection circuit generates a detection signal according to a change in the resistance, and the detection signal represents a state of the refraction layer.

Abstract: A light emitting device includes a substrate, a light emitting element, a shielding layer, and a collimator. The light emitting element is embedded in the substrate. The shielding layer is disposed on the substrate and has an opening exposing the light emitting element. The collimator is disposed on the shielding layer.

Abstract: A liquid crystal display device capable of being grounded to avoid afterimages includes a liquid crystal panel, a time controller, a gate driver, a data driver, a common voltage generating circuit, and a discharging circuit. The liquid crystal panel includes a plurality of pixel electrodes and a plurality of common electrodes. The pixel electrodes and common electrodes cooperate with each other to form a liquid crystal capacitor. In a power off process, the discharging circuit of the display controls the gate driver to stop generating grayscale voltages and grounds the common voltage generating circuit to discharge the liquid crystal capacitor.