Abstract: A laser projector includes a laser assembly, a beam combination mirror group and a phase delaying component. The laser assembly includes a red laser light emitting region, a blue laser light emitting region and a green laser light emitting region. Red laser light is polarized in a first direction, green laser light is polarized in a second direction, and blue laser light is polarized in a third direction. The beam combination mirror group combines the red laser light, the blue laser light and the green laser light. The phase delaying component is on a light emitting path of at least one of the red laser light, the blue laser light the green laser light, and changes a polarization direction of the at least one of the red laser light, the blue laser light or the green laser light before being output by the beam combination mirror group.

Abstract: A laser projection apparatus includes a laser source, an optical engine and a projection lens. The optical engine includes a light homogenizing component. The laser source includes a light-emitting assembly, a combining component, a first lens, a phosphor wheel and a laser dimming component. The combining component includes a reflecting portion and a transmitting portion. The phosphor wheel includes a first region and a second region. The laser dimming component is located between the light-emitting assembly and the phosphor wheel, and configured to increase Etendue of a laser beam emitted by the light-emitting assembly and change a shape of a beam spot provided by the laser beam on the phosphor wheel, so as to make a beam spot provided by the laser beam and the fluorescent beam at a beam inlet of the light homogenizing component matched with a shape of the beam inlet of the light homogenizing component.

Abstract: A laser device and a laser source assembly are provided. The laser device includes a base, a plurality of frames, a plurality of groups of laser chips, and a plurality of collimating lens groups. Any frame is correspondingly provided with a group of laser chips. Any group of laser chips includes a plurality of laser chips. Any collimating lens group includes a plurality of collimating lenses. The plurality of collimating lenses correspond to the plurality of laser chips, respectively. Any collimating lens is located on a laser-exit path of a corresponding laser chip.

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device, a microlens array, a combining component, and a phosphor wheel. The microlens array is configured to increase divergence angles of the plurality of laser beams in a slow axis direction and a fast axis direction, so as to make a ratio of divergence angles of the laser beams diverged by the microlens array in the slow axis direction and the fast axis direction be proportional to a length-width ratio of the light inlet of the light pipe. The combining component is configured to reflect laser beams and a fluorescent beam exiting from the phosphor wheel and transmit the plurality of laser beams emitted by the laser device. The phosphor wheel is configured to reflect the laser beams and be excited to emit the fluorescent beam.

Abstract: A light source and a laser projection device are provided. The light source includes a laser array, a light combining mirror group, and a light spot shaping component. The laser array includes a first row of laser chips and a second row of laser chips. The first row of laser chips includes at least one first-color laser chip and at least one second-color laser chip, and the second row of laser chips includes at least two red laser chips. The light combining mirror group is configured to combine laser beams emitted by the laser array. The light spot shaping component is configured to receive and adjust a light beam coming from the light combining mirror group to increase the difference between the length of a light spot of the light beam in a long side direction and the length thereof in a short side direction.

Abstract: A laser projector includes a laser assembly, a beam combination mirror group and a phase delaying component. The laser assembly includes a red laser light emitting region, a blue laser light emitting region and a green laser light emitting region. Red laser light is polarized in a first direction, green laser light is polarized in a second direction, and blue laser light is polarized in a third direction. The beam combination mirror group combines the red laser light, the blue laser light and the green laser light. The phase delaying component is on a light emitting path of at least one of the red laser light, the blue laser light the green laser light, and changes a polarization direction of the at least one of the red laser light, the blue laser light or the green laser light before being output by the beam combination mirror group.

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device, a combining lens group, and a fly-eye lens. The laser device is configured to emit laser beams of three colors. The laser beams of the three colors includes a blue laser beam, a green laser beam, and a red laser beam. The combining lens group is located on a laser-exit side of the laser device and configured to combine the laser beams emitted by the laser device. The fly-eye lens is located on a laser-exit side of the combining lens group and configured to homogenize the laser beams emitted by the laser device.

Abstract: Provided is a laser projection apparatus. The laser projection apparatus includes a light source assembly, a light-modulating assembly, and a projection lens. The light source assembly includes a base plate, a frame, a plurality of light-emitting chips, a metal ring structure, a metal cover plate, and a light-transmitting layer. The frame is disposed on the base plate, and an accommodating space is defined between the base plate and the frame, and a material of the frame is ceramic. The plurality of light-emitting chips are disposed in the accommodating space and configured to emit laser light. The metal ring structure is configured to be fixed to the frame. An outer edge of the metal cover plate is fixed to one side of the metal ring structure distal from the base plate. An edge of the light-transmitting layer is fixed to an inner edge of the metal cover plate.

Abstract: A laser is provided. The laser includes a base plate, a frame, a plurality of light-emitting subassemblies, a plurality of first conductive structures and a second conductive structure. The frame is disposed on the base plate and is configured to form an accommodation space with the base plate, the plurality of light-emitting subassemblies are disposed on the base plate and in the accommodation space, the plurality of first conductive structures are spaced apart at an end of the frame proximal to the base plate, wherein each of the first conductive structures includes a substrate insulated from the base plate and a conductive layer disposed on a surface of the substrate distal to the base plate; and the second conductive structure has one end electrically connected to the conductive layer and another end connected to at least one of the plurality of light-emitting subassemblies.

Abstract: Provided is a laser device. The laser device includes a plurality of light-emitting components and a diffractive optical element. The plurality of light-emitting components are configured to emit laser beams of various colors. The diffractive optical element is disposed on light-output paths of the plurality of light-emitting components, wherein the diffractive optical element includes a plurality of diffractive areas, each of the plurality of diffractive areas corresponding to one color laser beam; and the diffractive optical element is configured to shape incident laser beams.

Abstract: A light-emitting device and a laser are provided. The light-emitting device includes a first electrode, a light-emitting layer, an insulating layer and a second electrode which are sequentially arranged in a first direction; the light-emitting layer comprises a light-emitting portion and a non-light-emitting portion, an end of the light-emitting portion in the first direction is in contact with the second electrode through a via hole in the insulating layer, another end of the light-emitting portion in the first direction is in contact with the first electrode, and the non-light-emitting portion is covered by the insulating layer; and a surface of the non-light-emitting portion covered by the insulating layer is provided with a groove, the groove extends along a boundary between the light-emitting portion and the non-light-emitting portion, and the groove is used to block movement of carriers in the light-emitting layer from the light-emitting portion to the non-light-emitting portion.

Abstract: A laser device includes a shell, an upper cover assembly, a plurality of light-emitting assemblies, and a plurality of conductive pins. The shell includes a base plate, a frame body, and a first flange. The first flange is bent relative to the frame body and is fixedly connected to the base plate. The upper cover assembly is fixed to the shell. The plurality of light-emitting assemblies are disposed on the base plate. Any one of the plurality of conductive pins is electrically connected to a light-emitting assembly. The frame body includes a plurality of flanging holes. A depth of any one of the plurality of flanging holes is greater than a thickness of the frame body. A portion of the any one of the plurality of conductive pins is located at an outside of the accommodating space through a corresponding flanging hole.

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device, and the laser device includes a base plate, at least one frame, and a plurality of light-emitting chips. At least one accommodating space is defined between the at least one frame and the base plate. A region of the base plate located in the at least one accommodating space includes a first region and a second region. The second region is located on at least one side of the first region. An operating parameter of each light-emitting chip in the first region is less than an operating parameter of each light-emitting chip in the second region, and the operating parameter includes at least one of a photothermal conversion efficiency or a wavelength of the emitted laser beam.

Abstract: A laser projection apparatus includes a laser source assembly, a light modulation assembly, and a projection lens. The laser source assembly includes a laser device. The laser device includes a base plate, a frame, a first light-emitting chip, a first reflecting portion, a first collimating portion, and a light homogenizing component. The first light-emitting chip is configured to emit a first laser beam. The first collimating portion is located in a sealed space and configured to collimate the first laser beam, so as to transmit the first laser beam to the light homogenizing component in a direction perpendicular to the base plate. The light homogenizing component is disposed on a side of the frame away from the base plate and configured to homogenize the first laser beam and propagate the first laser beam out of the sealed space.

Abstract: Provided is a light source, comprising at least one laser array, a light combining assembly, and a fly-eye lens; wherein the at least one laser array is configured to emit at least two colors of laser light; the light combining assembly is disposed on a light-output side of the at least one laser array and is configured to guide the laser light emitted from the at least one laser array to the fly-eye lens; the fly-eye lens is disposed on a light-output side of the light combining assembly and is configured to homogenize the laser light emitted from the at least one laser array; wherein the fly-eye lens comprises: a substrate; a plurality of first microlenses disposed on a light-incident surface of the substrate; and a plurality of second microlenses disposed on a light-output surface of the substrate.

Abstract: Provided is a light source. The light source includes a laser array including a substrate, and a first row of laser chips and a second row of laser chips disposed on the substrate. The first row of laser chips includes at least one first-color laser chip and at least one second-color laser chip, the first-color laser chip and the second-color laser chip emitting laser beams of different colors, and the second row of laser chips includes at least three third-color laser chips, central wavelengths of two adjacent third-color laser chips in the second row of laser chips being different.

Abstract: A laser source includes a light-emitting assembly, a phosphor wheel, a converging lens group, and a combining component. The combining component is disposed between the light-emitting assembly and the converging lens group. The combining component has a plurality of light reflecting regions and a plurality of laser transmitting regions, and the plurality of light reflecting regions and the plurality of laser transmitting regions are alternately arranged. The plurality of laser transmitting regions are configured to transmit the laser beam emitted by the light-emitting assembly, and the plurality of light reflecting regions are configured to reflect a laser beam reflected by the laser-reflecting region of the phosphor wheel and a fluorescent beam excited by the fluorescence-exciting region of the phosphor wheel toward a beam outlet of the laser source.

Abstract: A laser source includes a light-emitting assembly, a converging lens group, a phosphor wheel and a combining component. The light-emitting assembly is configured to emit a laser beam. The converging lens group is configured to converge the laser beam emitted by the light-emitting assembly. The phosphor wheel includes a fluorescence-exciting region and a laser-reflecting region. The fluorescence-exciting region is configured to generate a fluorescence beam with a color different from the converged laser beam under an excitation of the laser beam. The laser-reflecting region is configured to reflect the converged laser beam to the converging lens group. The combining component is disposed between the light-emitting assembly and the converging lens group. The combining component is configured to reflect the fluorescence beam excited by the phosphor wheel and the laser beam reflected by the phosphor wheel to a beam outlet of the laser source.

Abstract: A laser source includes a laser device, a combining lens group, and a beam spot angle guiding component. The laser device includes a first laser device and a second laser device. The first laser device is configured to emit a first type laser beam and a second type laser beam. The second laser device is configured to emit the second type laser beam. The combining lens group includes a first combining lens group and a second combining lens group. The first combining lens group is configured to emit the laser beams emitted by the first laser device in a first direction. The second combining lens group is configured to reflect the laser beam. The beam spot angle guiding component is configured to change a divergence angle of at least one of the first type laser beam or the second type laser beam.

Abstract: The laser source includes a light-emitting assembly, a phosphor wheel, a converging lens group, and a combining component. The light-emitting assembly is configured to emit at least a first laser beam and a second laser beam. The phosphor wheel includes a fluorescence-exciting region and a laser-reflecting region. The converging lens group is disposed between the light-emitting assembly and the phosphor wheel, and is configured to converge the first laser beam and the second laser beam to the phosphor wheel. The first laser beam and the second laser beam are asymmetric with respect to an optical axis of the converging lens group. The combining component is disposed between the light-emitting assembly and the converging lens group. The combining component includes a first reflecting region and a second reflecting region that are arranged at an interval.