Abstract: An optical component includes a transparent substrate, a first volume grating and a second volume grating disposed on the transparent substrate. The transparent substrate is located between the first volume grating and the second volume grating. The first volume grating has a plurality of first diffraction elements arranged in rectangular array, while the second volume grating has a plurality of second diffraction elements arranged in rectangular array. In addition, the spacing between two adjacent first diffraction elements is larger than the spacing between two adjacent second diffraction elements.

Abstract: This document describes methods and systems for an antenna system integrated with side-keys of an electronic device. The antenna system enables antenna integration in a metal frame using a metal support structure and fastener(s) to route antenna signals around side-key modules embedded in the frame without encountering or causing interference with the side-key modules. By using these techniques to integrate antennas on areas around the side-key modules, more antennas can be implemented on the electronic device, leading to improved capabilities supporting additional wireless standards and a better user experience in terms of improved communication quality.

Abstract: A display apparatus includes a substrate, a pixel structure, a back side signal line, and a conductive shielding layer. The substrate has a first surface and a second surface opposite to each other. The pixel structure is disposed on the first surface of the substrate. The back side signal line is disposed on the second surface of the substrate and is electrically connected to the pixel structure. The conductive shielding layer is disposed between the pixel structure and the first surface of the substrate, and the conductive shielding layer has a DC level. Moreover, other display apparatuses are also provided.

Abstract: A photographing optical lens assembly includes eight lens elements, which are, in order from an object side to an image side along an optical path, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. Each of the eight lens elements has an object-side surface towards the object side and an image-side surface towards the image side. The first lens element has positive refractive power. The object-side surface of the fifth lens element is concave in a paraxial region thereof. The image-side surface of the sixth lens element is concave in a paraxial region thereof. The object-side surface of the seventh lens element is convex in a paraxial region thereof. The image-side surface of the eighth lens element is concave in a paraxial region thereof.

Abstract: A sense amplifier control system includes a precharge control switch configured to receive a precharge signal. A reference cell is configured to receive a reference word line signal. In a precharge phase, the control switch is controlled in response to the precharge signal to precharge the reference input node to a predetermined precharge level. In a sensing phase subsequent to the pre-charge phase, the trigger circuit is configured to output a triggering signal at the output terminal in response to the reference input node reaching a triggering level.

Abstract: A display device and a bezel thereof are provided. The display device includes a display panel and a bezel. The display panel has a first surface and a second surface. The first surface includes at least one pixel pad section, and the second surface includes at least one circuit pad section. The bezel includes a first surface connecting portion, a second surface connecting portion and at least one conductive wire. The edge of the display panel having the pixel pad section and the circuit pad section is accommodated between the first surface connecting portion and the second surface connecting portion. Each conductive wire has a first end and a second end. The first end is disposed on the first surface connecting portion and the second end is disposed on the second surface connecting portion. The part of the first connecting portion having the first end corresponds to the pixel pad section, and the part of the second connecting portion having the second end corresponds to the circuit pad section.

Abstract: A display panel and a pixel circuit thereof are provided. The pixel circuit includes a driving current generator, a pulse width signal generator, a voltage provider, and a current enabler. The driving current generator provides a driving current. The pulse width signal generator includes an output switch. The output switch is controlled by a control signal, and provides a pulse width signal according to the control signal. The voltage provider adjusts the control signal according to a data write-in signal and a pulse width modulation enable signal. The current enabler provides the driving current to a lighting component according to the pulse width signal and an amplitude modulation enable signal.

Abstract: A display panel includes a data line and a pixel circuit under test. Pixel circuit under test is coupled to data line, and is configured to receive a first detecting signal from a detecting signal source and receive a second detecting signal from a pixel data signal source. Pixel circuit under test is configured to generate a driving current to read the first detecting signal and the second detecting signal so as to generate a detection result signal. Pixel circuit under test includes a luminous element and a bypass circuit. Luminous element is configured to emit a light according to the driving current. Bypass circuit is coupled to luminous element and data line, and is configured to transmit the detection result signal to detecting signal source through data line according to a test control signal so that detecting signal source determines whether pixel circuit under test is abnormal.

Abstract: A display device includes a multiple of light-emitting elements and a multiple of driving circuits. Each of the multiple of driving circuits is configured to generate a driving current flowing through one of the multiple of light-emitting elements. Each of the multiple of driving circuits includes a first transistor, a second transistor, a reset circuit, a first control circuit and a second control circuit. The driving current flows from a first system high voltage terminal through the first transistor, the second transistor and one of the multiple of light-emitting elements to a system low voltage terminal. The first control circuit is configured to control the first transistor to modulate pulse amplitude of the driving current. The second control circuit is configured to control the second transistor to modulate pulse width of the driving current.

Abstract: A display detection device includes a panel, a detection board, and a detection adapter board. The panel is configured to display. The detection board is coupled to the panel, and is configured to input a detection signal. The detection adapter board is coupled to the panel, and is configured to respond to the detection signal to generate a detection result.

Abstract: A display device includes a multiple of light-emitting elements and a multiple of driving circuits. Each of the multiple of driving circuits is configured to generate a driving current to illuminate one of the multiple of light-emitting elements. Each of the multiple of driving circuits includes a first transistor, a second transistor, a reset circuit, a first control circuit and a second control circuit. The driving current flows from a first system high voltage terminal through the first transistor, the second transistor and one of the multiple of light-emitting elements to a system low voltage terminal. The first control circuit is configured to control the first transistor to modulate pulse amplitude of the driving current. The second control circuit is configured to control the second transistor to modulate pulse width of the driving current.

Abstract: A display device and a driving method thereof are provided. The display device includes a display panel, a controller, and a driver. The display panel includes a plurality of light-emitting elements. The controller receives characteristic information of the light-emitting elements, and obtains a first relationship curve between current density information and luminous efficiency information according to the characteristic information. The controller obtains a second relationship curve between duty cycle information and accumulated current consumption information or accumulated power consumption information according to the first relationship curve. The controller finds a selected duty cycle corresponding to a maximum luminous efficiency according to the second relationship curve. The driver activates the light-emitting elements according to the selected duty cycle.

Abstract: A pixel driving device includes at least one data line and at least one driver integrated circuit. The at least one data line includes a first area and a second area on both sides. The first area and the second area are separated by the at least one data line. The at least one driver integrated circuit includes a first circuit and a second circuit. The first circuit is disposed in the first area, is configured to receive at least one first high-frequency signal so as to at least one first driving signal. The second circuit is disposed in the second area, is coupled to the first circuit and is configured to receive at least one low-frequency signal.

Abstract: A driving circuit includes a light-emitting element, a first transistor, a second transistor, a third transistor, a fourth transistor, a first capacitor and a regulator circuit. The first transistor, the second transistor and the light-emitting element are coupled in series between a first system voltage terminal and a second system voltage terminal. A first terminal of the first transistor is coupled to the first system voltage terminal. The third transistor is electrically coupled between a gate terminal and a second terminal of the first transistor. The fourth transistor is electrically coupled between the gate terminal of the first transistor and the second system voltage terminal. A first terminal of the first capacitor is electrically coupled to the gate terminal of the first transistor. A regulator circuit is electrically coupled to a second terminal of the first capacitor.

Abstract: A display device includes a substrate and pixels. The substrate has an intermediate region and a peripheral region. Each of the pixels includes sub-pixels. Each of the sub-pixels includes a pad group and a light emitting diode (LED) element. The pad group has a first pad and a second pad. The LED element is electrically connected to the first pad and the second pad. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. The first pads and the second pads of the pad groups of the sub-pixels of each of the standard pixels are arranged in a first direction. The peripheral pixels include a first peripheral pixel. The first pads and the second pads of the pad groups of the sub-pixels of the first peripheral pixel are arranged in a second direction, and the first direction crosses over the second direction.

Abstract: A display apparatus includes a substrate and pixels disposed on the substrate. Each of the pixels includes sub-pixels. The substrate has an intermediate region and a peripheral region, where the peripheral region is located between an edge of the substrate and the intermediate region. The pixels include standard pixels disposed in the intermediate region and peripheral pixels disposed in the peripheral region. A color displayed by a sub-pixel of a standard pixel and a color displayed by a sub-pixel of a peripheral pixel are the same, and a distance between a second transistor of the sub-pixel of the standard pixel and a pad of the sub-pixel of the standard pixel is not equal to a distance between a second transistor of the sub-pixel of the peripheral pixel and a pad of the sub-pixel of the peripheral pixel.

Abstract: A pixel array substrate includes a base, pixel structures, first bonding pads, first wirings, and a first testing element. The pixel structures are disposed on an active area of a first surface of the base. The first bonding pads are disposed on a peripheral region of the first surface. Each of the first wirings is disposed on a corresponding first bonding pad, a first sidewall of the base, and a corresponding second bonding pad. The first testing element is disposed on the active area of the first surface and has a first testing line. The first testing line is electrically connected to at least one of the first bonding pads, and an end of the first testing line is substantially aligned with an edge of the base.

Abstract: A shift register circuit includes a driving signal generating circuit, a coupling circuit, and a sweep signal generating circuit. The driving signal generating circuit is configured to receive a plurality of first clock signals, a low voltage source, an initial signal, and a first high voltage source so as to output a driving signal. The coupling circuit is coupled to the driving signal generating circuit. The coupling circuit is configured to transmit the low voltage source. The sweep signal generating circuit is coupled to the coupling circuit. The sweep signal generating circuit is configured to receive a second clock signal, the low voltage source, and a second high voltage source so as to output a sweep signal. A waveform of the sweep signal includes an oblique waveform. The first high voltage source and the second high voltage source are electrically independent of each other.

Abstract: A light-emitting diode display device and a light-emission control method thereof are provided. The light-emitting diode display device includes a timing controller, multiple display pixels, and a scanning circuit. The display pixels form multiple display rows. The scanning circuit generates multiple scan signals and multiple light-emission signals that respectively drive the display rows. During a first data-writing time period of a first frame period, the timing controller provides multiple writing data to be respectively written into the display rows. During a light-emitting time period, the scanning circuit drives each of the light-emission signals to generate multiple pulses periodically according to a set period to drive the corresponding display rows. The light-emitting time period is after the first data-writing time period and before a second data-writing time period of a second frame period ends.

Abstract: A pixel driving device includes at least one data line and at least one driver integrated circuit. The at least one data line includes a first area and a second area on both sides. The first area and the second area are separated by the at least one data line. The at least one driver integrated circuit includes a first circuit and a second circuit. The first circuit is disposed in the first area, is configured to receive at least one first high-frequency signal so as to at least one first driving signal. The second circuit is disposed in the second area, is coupled to the first circuit and is configured to receive at least one low-frequency signal.