Abstract: A display device including a driving chip and a pixel array is provided. The driving chip is configured to provide multiple emission control signals according to a data input. A pixel array is coupled with the driving chip. M pixel circuits of the pixel array are configured to emit light respectively in M periods, and M is a positive integer. In a corresponding period of the M periods, the driving chip determines a first time length which one of the multiple emission control signals has a first voltage level, and one of the M pixel circuits emits light, in the corresponding period, for a light emission time length corresponding to the first time length.

Abstract: A display apparatus, including a substrate, a conductive structure, a pixel unit, a signal line, a transmission line, and a repair structure, is provided. The substrate has a first surface, a second surface, and a through hole. The conductive structure is disposed in the through hole. The pixel unit is disposed on the first surface. The pixel unit includes first, second, third, and fourth connection pads, a driving element, and a light-emitting element. The light-emitting element is electrically connected to the first and second connection pads. The signal line is disposed on the first surface. The driving element is electrically connected to the first and third connection pads through the signal line. The transmission line is disposed on the second surface and electrically connected to the second or fourth connection pad at least through the conductive structure. The repair structure is disposed between the transmission line and the conductive structure.

Abstract: A display panel and a pixel circuit of the display panel are provided. The pixel circuit includes a driving transistor and a light-emitting time length modulator. The driving transistor has a control terminal receiving a pulse width control signal and an amplitude control signal, and the driving transistor generates a driving signal. In a first time period, the light-emitting time length modulator modulates a time length of a plurality of second time periods for providing the driving signal to a light-emitting device according to a light-emitting time control signal.

Abstract: A control apparatus for light emitting diodes (LEDs) includes a voltage conversion unit connected to an LED unit to convert an input voltage to supply the LED unit. A voltage difference detecting unit is connected to the LED unit for detecting an output voltage of the LED unit, and the voltage difference detecting unit includes a first resistor, a second resistor and a transistor. A control unit is connected to the voltage difference detecting unit and a hysteresis driving unit, and the control unit cooperates with the voltage difference detecting unit to provide a predetermined voltage. When the output voltage is less than the predetermined voltage, the control unit notifies the hysteresis driving unit to control the switching unit to be short-circuited, so that the voltage conversion unit stops converting the input voltage to cause the LEDs to be completely extinguished.

Abstract: A setting device for a claw machine is disclosed. The setting device includes: a cabinet, containing therein prizes; a movable gantry assembly, being installed at a top of the cabinet; a claw member, attached to the gantry assembly from below through a string; and a control device, installed outside the cabinet. The control device has a control circuit module, a joystick, a color liquid crystal display, a music player, and a button. After putting one or more coins, a player is allowed to operate the joystick of the control device to displace the gantry assembly and the claw member. The cabinet has a collection hole communicating with the exterior. The color liquid crystal display displays a setting interface. The disclosed device allows a machine owner to easily set relevant setting items through the setting interface so as to provide players with variable playing experiences and in turn increasing revenues of the claw machine.

Abstract: A setting device for a claw machine is disclosed. The setting device includes: a cabinet, containing therein prizes; a movable gantry assembly, being installed at a top of the cabinet; a claw member, attached to the gantry assembly from below through a string; and a control device, installed outside the cabinet. The control device has a control circuit module, a joystick, a color liquid crystal display, a music player, and a button. After putting one or more coins, a player is allowed to operate the joystick of the control device to displace the gantry assembly and the claw member. The cabinet has a collection hole communicating with the exterior. The color liquid crystal display displays a setting interface. The disclosed device allows a machine owner to easily set relevant setting items through the setting interface so as to provide players with variable playing experiences and in turn increasing revenues of the claw machine.

Abstract: A display device including a driving chip and a pixel array is provided. The driving chip is configured to provide multiple emission control signals according to a data input. A pixel array is coupled with the driving chip. M pixel circuits of the pixel array are configured to emit light respectively in M periods, and M is a positive integer. In a corresponding period of the M periods, the driving chip determines a first time length which one of the multiple emission control signals has a first voltage level, and one of the M pixel circuits emits light, in the corresponding period, for a light emission time length corresponding to the first time length.

Abstract: A control apparatus for light emitting diodes (LEDs) includes a voltage conversion unit connected to an LED unit to convert an input voltage to supply the LED unit. A voltage difference detecting unit is connected to the LED unit for detecting an output voltage of the LED unit, and the voltage difference detecting unit includes a first resistor, a second resistor and a transistor. A control unit is connected to the voltage difference detecting unit and a hysteresis driving unit, and the control unit cooperates with the voltage difference detecting unit to provide a predetermined voltage. When the output voltage is less than the predetermined voltage, the control unit notifies the hysteresis driving unit to control the switching unit to be short-circuited, so that the voltage conversion unit stops converting the input voltage to cause the LEDs to be completely extinguished.

Abstract: A pixel structure includes a first TFT, an adhesive layer, an LED, and a detection conductive layer. The first TFT is coupled to a conductive layer and is configured to transmit display data to the conductive layer. The adhesive layer covers the conductive layer. The LED is disposed on the adhesive layer. The detection conductive layer is disposed on the adhesive layer, and the detection conductive layer, the adhesive layer, and the conductive layer constitute a detection capacitor. Here, a thickness of the detection conductive layer is equal to or slightly greater than a height of the LED.

Abstract: A lighting system suitable for receiving two kinds of power signals includes a light emitting unit, a switch control circuit, first and second power adjustment circuits, and first and second switches. The switch control circuit is electrically connected to the light emitting unit, the first and second switches. When the light emitting unit and the switch control circuit receive a first power signal, the switch control circuit turns on the first switch and turns off the second switch, so that a first current drives the light emitting unit to emit. When the light emitting unit and the switch control circuit do not receive the first power signal and the second power adjustment circuit receives the second power signal, the switch control circuit turns off the first switch and turns on the second switch, so that a second current drives the light emitting unit to emit.

Abstract: A pixel structure includes at least one sub-pixel. The sub-pixel includes a substrate, a first micro light-emitting element, a repair micro light-emitting element, a first connecting line, a second connecting line, and a bridge pattern. The first micro light-emitting element is disposed on the substrate. The repair micro light-emitting element is disposed on the first micro light-emitting element and partially overlaps the first micro light-emitting element in a vertical direction of the substrate. The first connecting line is electrically connected to a first electrode of the first micro light-emitting element and a third semiconductor layer of the repair micro light-emitting element. The second connecting line is electrically connected to a second electrode of the first micro light-emitting element.

Abstract: A display device includes a substrate, a first pixel circuit, a second pixel circuit, a third pixel circuit, a protective layer, a first conductive structure, a second conductive structure, a third conductive structure, first light emitting diodes (LEDs), second LEDs and third LEDs. The first pixel circuit, the second pixel circuit and the third pixel circuit are located on the substrate. The second pixel circuit is located between the first pixel circuit and the third pixel circuit. The protective layer covers the first pixel circuit, the second pixel circuit and the third pixel circuit. The first conductive structure is electrically connected to the first pixel circuit through the first opening of the protective layer. The first LEDs are overlapped with the first pixel circuit and the second pixel circuit. The first LEDs are electrically connected to the first conductive structure.

Abstract: A pixel circuit applied to an uLED display including a LED, a first transistor˜a sixth transistor and a capacitor. The LED is coupled between a first voltage and a first node. The first transistor is coupled between the first node and a second node. The second transistor is coupled between the second node and a second voltage lower than the first voltage. The third transistor is coupled between a third voltage and a third node. The fourth transistor is coupled between the third node and a fourth node. The fifth transistor is coupled between the fourth node and a fourth voltage. A terminal of the sixth transistor is coupled to the first node. The capacitor is coupled between the second node and the fourth node. The fourth transistor is controlled by a second control signal. The third transistor, the fifth transistor and the sixth transistor are controlled by a third control signal.

Abstract: A light emitting diode includes an N-type semiconductor layer, a P-type semiconductor layer, and a light emitting layer. The P-type semiconductor layer is located on the N-type semiconductor layer. The light emitting layer is located between the N-type semiconductor layer and the P-type semiconductor layer. The N-type semiconductor layer has a first region and a second region connected to each other. The first region is overlapped with the light emitting layer and the P-type semiconductor layer in a first direction. The second region is not overlapped with the light emitting layer and the P-type semiconductor layer in the first direction. A sheet resistance of the P-type semiconductor layer is smaller than a sheet resistance of the N-type semiconductor layer.

Abstract: A bi-directional optical module includes a substrate, at least one first light-emitting diode (LED), and at least one second LED. The first LED is disposed on a surface of the substrate. The first LED has a first reflection surface and a first light-outlet surface that are opposite to each other, and the first light-outlet surface is away from the substrate relative to the first reflection surface. The second LED is disposed on the same surface of the substrate. The second LED has a second reflection surface and a second light-outlet surface that are opposite to each other, and the second light-outlet surface is close to the substrate relative to the second reflection surface. The substrate has at least one light-transparent area that is not occupied by the first LED and the second LED.

Abstract: An operating method of a display device includes: forming a plurality of capacitors between a plurality of monitor lines of a display device and a plurality of power lines of the display device via a plurality of light-emitting diodes; and performing touch sensing by using the capacitors. The light-emitting diodes are arranged in a matrix. A plurality of control switches of the display device is arranged in the matrix, and is electrically coupled to a plurality of first terminals of the light-emitting diodes, respectively. The monitor lines are electrically coupled to the first terminals of the light-emitting diodes, respectively. The power lines are electrically coupled to a plurality of second terminals of the light-emitting diodes, respectively.

Abstract: A pixel circuit applied to an uLED display including a LED, a first transistor˜a sixth transistor and a capacitor. The LED is coupled between a first voltage and a first node. The first transistor is coupled between the first node and a second node. The second transistor is coupled between the second node and a second voltage lower than the first voltage. The third transistor is coupled between a third voltage and a third node. The fourth transistor is coupled between the third node and a fourth node. The fifth transistor is coupled between the fourth node and a fourth voltage. A terminal of the sixth transistor is coupled to the first node. The capacitor is coupled between the second node and the fourth node. The fourth transistor is controlled by a second control signal. The third transistor, the fifth transistor and the sixth transistor are controlled by a third control signal.

Abstract: A lighting system includes a power supply unit, a power conversion unit, a lighting unit, a first switching unit, and a first reset unit. The power supply unit is used to supply a first and a second power signal. The power conversion unit receives and converts the first power signal. According to the first power signal, a first lighting module of the lighting unit emits light. The first switching unit is connected to a first node between the first lighting module and a second lighting module for receiving the second power signal, so that the second lighting module emits light according to the second power signal. The first reset unit receives the second power signal; wherein when the second lighting module changes from lighting to no lighting, the first reset unit causes the power conversion unit to stop operating and then restart.

Abstract: A pixel structure includes a first TFT, an adhesive layer, an LED, and a detection conductive layer. The first TFT is coupled to a conductive layer and is configured to transmit display data to the conductive layer. The adhesive layer covers the conductive layer. The LED is disposed on the adhesive layer. The detection conductive layer is disposed on the adhesive layer, and the detection conductive layer, the adhesive layer, and the conductive layer constitute a detection capacitor. Here, a thickness of the detection conductive layer is equal to or slightly greater than a height of the LED.

Abstract: A display device includes a substrate, a first pixel circuit, a second pixel circuit, a third pixel circuit, a protective layer, a first conductive structure, a second conductive structure, a third conductive structure, first light emitting diodes (LEDs), second LEDs and third LEDs. The first pixel circuit, the second pixel circuit and the third pixel circuit are located on the substrate. The second pixel circuit is located between the first pixel circuit and the third pixel circuit. The protective layer covers the first pixel circuit, the second pixel circuit and the third pixel circuit. The first conductive structure is electrically connected to the first pixel circuit through the first opening of the protective layer. The first LEDs are overlapped with the first pixel circuit and the second pixel circuit. The first LEDs are electrically connected to the first conductive structure.