Disclosed are a display panel and a display device. The display panel is provided with an display region and a peripheral region, and includes a display substrate and at least one alignment mark disposed in the peripheral region. The display substrate is sequentially provided with a first packaging layer, a light-shielding layer, and a second packaging layer at a side, distal to the base substrate, of a second electrode layer. The light-shielding layer is provided with an opening hole, and a distance between a medial edge of the opening hole and a first end of the light-shielding layer is greater than a distance between a lateral edge of the opening hole and a second end of the light-shielding layer.

A lighting device having a support supporting first light emitting diodes and second light emitting diodes each having a light emitting surface, wherein the light emitting surface of each first light emitting diode has a first area and the light emitting surface of each second light emitting diode has a second area, the second area being strictly lower than the first area.

A light-emitting diode module includes a casing, a lead frame, a plurality of light-emitting diodes, a control circuit, a first external power supply, a second external power supply, a first power supply pin, and a second power supply pin. The lead frame is disposed in the casing, and the lead frame has a first surface and a second surface. The second surface is opposite to the first surface. The light-emitting diodes include a first light-emitting diode, a second light-emitting diode and a third light-emitting diode, which are disposed on the first surface of the lead frame. At least one of the first light-emitting diode, the second light-emitting diode and the third light-emitting diode is electrically connected to the first external power supply through the first power supply pin, and the control circuit is electrically connected to the second external power supply through the second power supply pin.

The present disclosure provides a wiring substrate, a method manufacturing the same, and an electronic device. The wiring substrate includes a base substrate, a plurality of pad groups on the base substrate, each pad group including at least two pads. Two pads adjacent in a first direction or a second direction of the at least two pads are spaced apart. Each pad includes a plurality of sides including at least one selected side and at least one non-selected side, any one pad is adjacent to another pad along the first direction or the second direction, the selected side of the any one pad is a side facing the adjacent another pad, and a distance between the selected side of the any one pad facing the adjacent another pad and the selected side of the adjacent another pad facing the any one pad is 30 m and <100 m.

A display device includes a display panel in which a plurality of pixels are arranged side by side, a micro lens array disposed on the display panel and refracting light emitted from each pixel according to a chief ray angle defined for each pixel, and a window disposed on the micro lens array.

A light-emitting unit and a light-emitting device are provided. The light-emitting unit includes a light-emitting chip and an optical encapsulant. The light-emitting unit has a top surface and a bottom surface opposite to each other in the thickness direction, and a surrounding side surface. The top surface and the bottom surface are surrounded by the surrounding side surface, and the light-emitting chip includes a connection pad located on the bottom surface and a wire bonding point that is located on the top surface. The surrounding side surface of the light-emitting chip is surrounded by the optical encapsulant, and the top surface and the bottom surface of the light-emitting chip are exposed outside of the optical encapsulant.

A display apparatus can include a display panel on which a video is reproduced, a metal plate disposed behind the display panel, a first circuit board disposed behind the metal plate and electrically connected to the display panel, a chip on film, a driving element disposed on the chip on film and protruding from the chip on film, and a reinforcing plate disposed at a position at which at least a portion thereof overlaps the driving element behind the chip on film and adhered to the chip on film. The chip on film can have one side electrically connected to the display panel, another side electrically connected to the first circuit board, and a portion provided to be bent.

An optoelectronic apparatus comprises an at least partially transparent first cover, a second cover and at least one first layer segment, in particular intermediate layer segment, which is arranged between the first cover and the second cover. The first layer segment carries an arrangement of a plurality of optoelectronic light sources. The arrangement of the plurality of optoelectronic light sources has a defined shape with a defined contour and the first layer segment has the same shape and the same contour as the arrangement of the plurality of optoelectronic light sources.

The invention relates to an optoelectronic device including a control circuit, a pixel comprising a photodetector, a light-emitting diode, and an intermediate region interposed between the photodetector and the light-emitting diode. The photodetector is sensitive to a detection wavelength .sub.2. The light-emitting diode comprises an active stack with a cutoff wavelength Ac shorter than .sub.2 and a buried electrode interposed between an interconnection stack of the circuit and the active stack, and covers a detection surface of the photodetector. The device furthermore comprises a via passing right through the active stack and extending as far as the interconnection stack; an electrical contact passing right through the active stack, in contact with the buried electrode; an electrical path electrically connecting the buried electrode to the control circuit and including the electrical through-contact and the via. The intermediate region is devoid of metal and the buried electrode is transparent to .sub.2.

The present disclosure relates to a display device. A display device of one embodiment is provided with at least one sensor area. The display device includes a substrate. The display device includes a thin film transistor on the substrate. The display device includes a planarization layer disposed to cover the thin film transistor. The display device includes a light emitting diode on the planarization layer. The light emitting diode including a first electrode, an emission layer on the first electrode, and a second electrode on the emission layer. The display device includes a bank configured to expose at least part of the first electrode and disposed on the planarization layer. The display device includes a sensor part disposed on a back surface of the substrate in the sensor area. The display device includes a heat dissipation panel disposed between the substrate and the first electrode.