Abstract: An optical system affixed to an electronic apparatus is provided, including a first optical module, a second optical module, and a third optical module. The first optical module is configured to adjust the moving direction of a first light from a first moving direction to a second moving direction, wherein the first moving direction is not parallel to the second moving direction. The second optical module is configured to receive the first light moving in the second moving direction. The first light reaches the third optical module via the first optical module and the second optical module in sequence. The third optical module includes a first photoelectric converter configured to transform the first light into a first image signal.

Abstract: A driving method applicable to a display device, in which the display device includes multiple pixel circuits, and the method includes: adjusting multiple control signals according to a first display data such that the pixel circuits generate a first frame; receiving a second display data generated after the display data; and adjusting the control signals according to a time duration of the first frame such that the pixel circuits generate a second frame, where brightness for each of the pixel circuits is proportional to a duty ratio of one of the corresponding control signals, and an increment for the duty ratio of one of the corresponding control signals in the second frame is negatively correlated to a difference between a ratio of a preset time period to the time duration of the first frame and a ratio of the preset time period to the time duration of the second frame.

Abstract: A device substrate comprising a substrate, a first pad, a second pad, a plurality of first power lines, a plurality of second power lines, and a plurality of control units is provided. The first pad is disposed on the first side of the device substrate. The second pad is disposed on the second side of the device substrate. The second side is opposite the first side. The first power lines are electrically connected to the first pad. The second power lines are electrically connected to the second pad. The control unit is electrically connected to at least one of the first power line and the second power line. The first pad does not overlap the second pad in a first direction perpendicular to the first side or in a second direction perpendicular to the second side. A display panel is also provided. A tiled display is also provided.

Abstract: A pixel circuit including a writing circuit, a compensation circuit, a reset circuit, a brightness control circuit, and a light emission control circuit is provided. The writing circuit provides a first data signal and a second data signal. A first compensation unit of the compensation circuit provides, in a first time period, a first driving current according to the first data signal. A second compensation unit of the compensation circuit provides, in a second time period separated from the first time period, a second driving current according to the second data signal. The reset circuit provides a reference voltage to the compensation circuit. The light emission control circuit conducts the first compensation unit to the brightness control circuit in the first time period, and conducts the second compensation unit to the brightness control circuit in the second time period.

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 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: The disclosure provides a pixel circuit including a lighting element, a current source, an amplitude control circuit, a pulse width control circuit, and an internal compensation circuit. The current source includes a driving transistor, and provides a driving current to the lighting element by the driving transistor. The amplitude control circuit includes a first switch, and provides a first voltage to the driving transistor by the first switch to determine magnitude of the driving current. The pulse width control circuit provides a second voltage to the first switch to determine a pulse width of the driving current. The internal compensation circuit is coupled with the current source and the amplitude control circuit, detects a threshold voltage of the first switch, and provides the driving current to an external compensation circuit to render the external compensation circuit detect a threshold voltage of the driving transistor.

Abstract: A pixel circuit including a writing circuit, a compensation circuit, a reset circuit, a brightness control circuit, and a light emission control circuit is provided. The writing circuit provides a first data signal and a second data signal. A first compensation unit of the compensation circuit provides, in a first time period, a first driving current according to the first data signal. A second compensation unit of the compensation circuit provides, in a second time period separated from the first time period, a second driving current according to the second data signal. The reset circuit provides a reference voltage to the compensation circuit. The light emission control circuit conducts the first compensation unit to the brightness control circuit in the first time period, and conducts the second compensation unit to the brightness control circuit in the second time period.

Abstract: A touch panel includes a substrate and a first sensor element disposed on the substrate. The first sensor element includes a light-shielding conductive layer, a first transparent conductive layer, a first photosensitive layer, and a first electrode electrically connected to the first photosensitive layer. The light-shielding conductive layer and the first transparent conductive layer are interposed between the first substrate and the first photosensitive layer. A transmittance of the light-shielding conductive layer is smaller than a transmittance of the first transparent conductive layer.

Abstract: A display device driving method is provided, which is applicable to a display device including pixel circuits coupled with a first node point, a source driving circuit for providing a data signal, and a reading circuit. The display device driving method includes operations: coupling the first node point with the source driving circuit or the reading circuit; supplying first control signals to the pixel circuits, where the first control signals sequentially provide a first impulse so that the pixel circuits sequentially receive the data signal from the first node point; supplying second control signals to optical sensing circuits, where the second control signals sequentially provide a second impulse so that the optical sensing circuits sequentially output a sensing signal to the first node point; amplifying the sensing signals and outputting the amplified sensing signals by the reading circuit, where durations of the first impulses the second impulses are not overlapped.

Abstract: A pixel circuit and a driving method thereof are provided. The pixel circuit includes first to second pixel electrodes, first to third liquid crystal capacitors, a first storage capacitor and first to third switches. The first liquid crystal capacitor and the first storage capacitor locate between the first pixel electrode and a first common voltage. The second liquid crystal capacitor locates between the first and the second pixel electrodes. The third liquid crystal capacitor locates between the second pixel electrode and the first common voltage. The first switch has ends for receiving a data voltage and a scan signal and coupled to the first pixel electrode. The second switch has ends for receiving a second common voltage and a reset signal and coupled to the first pixel electrode. The third switch has ends for receiving a reset voltage and the reset signal and coupled to the second pixel electrode.

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: The disclosure provides a pixel circuit including a lighting element, a current source, an amplitude control circuit, a pulse width control circuit, and an internal compensation circuit. The current source includes a driving transistor, and provides a driving current to the lighting element by the driving transistor. The amplitude control circuit includes a first switch, and provides a first voltage to the driving transistor by the first switch to determine magnitude of the driving current. The pulse width control circuit provides a second voltage to the first switch to determine a pulse width of the driving current. The internal compensation circuit is coupled with the current source and the amplitude control circuit, detects a threshold voltage of the first switch, and provides the driving current to an external compensation circuit to render the external compensation circuit detect a threshold voltage of the driving transistor.

Abstract: A display device driving method, applicable to a display device including a pixel circuit coupled with a first node point, a source driving circuit for providing a data signal, and a reading circuit, including following operations: coupling the first node point with the source driving circuit or the reading circuit; supplying a first control signal to the pixel circuit, wherein the first control signal is for enabling the pixel circuit to receive the data signal from the first node point; supplying a second control signal to an optical sensing circuit, wherein the second control signal is for enabling the optical sensing circuit to output a sensing signal to the reading circuit through the first node point; utilizing the reading circuit to amplify the sensing signal and output the amplified sensing signal, wherein duration of the second impulse overlaps with duration of the first impulse.

Abstract: A touch panel includes a substrate and a first sensor element disposed on the substrate. The first sensor element includes a light-shielding conductive layer, a first transparent conductive layer, a first photosensitive layer, and a first electrode electrically connected to the first photosensitive layer. The light-shielding conductive layer and the first transparent conductive layer are interposed between the first substrate and the first photosensitive layer. A transmittance of the light-shielding conductive layer is smaller than a transmittance of the first transparent conductive layer.

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 display device driving method, applicable to a display device including a pixel circuit coupled with a first node point, a source driving circuit for providing a data signal, and a reading circuit, including following operations: coupling the first node point with the source driving circuit or the reading circuit; supplying a first control signal to the pixel circuit, wherein the first control signal is for enabling the pixel circuit to receive the data signal from the first node point; supplying a second control signal to an optical sensing circuit, wherein the second control signal is for enabling the optical sensing circuit to output a sensing signal to the reading circuit through the first node point; utilizing the reading circuit to amplify the sensing signal and output the amplified sensing signal, wherein duration of the second impulse overlaps with duration of the first impulse.

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 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 device substrate comprising a substrate, a first pad, a second pad, a plurality of first power lines, a plurality of second power lines, and a plurality of control units is provided. The first pad is disposed on the first side of the device substrate. The second pad is disposed on the second side of the device substrate. The second side is opposite the first side. The first power lines are electrically connected to the first pad. The second power lines are electrically connected to the second pad. The control unit is electrically connected to at least one of the first power line and the second power line. The first pad does not overlap the second pad in a first direction perpendicular to the first side or in a second direction perpendicular to the second side. A display panel is also provided. A tiled display is also provided.