A light source unit and a display device that are further thinned while evenness in brightness on an emission surface is secured are provided.

A light source unit and a display device of the present invention include a light source installation surface on which at least one micro light source is installed, a first light scattering body that includes a base which is arranged with the light source installation surface and has a light-transmitting property, and a reflection pattern which is formed on a first surface of the base positioned on a light source installation surface side based on light distribution characteristics of the at least one micro light source, and a second light scattering body that is arranged between the first light scattering body and the at least one micro light source.

A light source unit and a display device that are further thinned while evenness in brightness on an emission surface is secured are provided.

A light source unit and a display device of the present invention include a light source installation surface on which at least one micro light source is installed, a base that is arranged with the light source installation surface and has a light-transmitting property, a reflection pattern that is formed on a first surface of the base positioned on a light source installation surface side based on light distribution characteristics of the at least one micro light source, and a low reflection pattern that is formed in a region of the light source installation surface positioned around the at least one micro light source based on the light distribution characteristics. A reflectivity in the region of the light source installation surface in which the low reflection pattern is formed is less than a reflectivity in a region other than the region in which the low reflection pattern is formed.

A lamp is provided that includes a light source (1101) including at least one light emitting point (S0); and a light receiving device located between the light source (1101) and the optical path of a collimating optical element (1104, 3104), the light receiving device at least includes at least two light guides (1102, 1103, 3302), for respectively collecting light beams (1301, 1303, 3301, 3303) emitted at different angles from the light emitting point (S0) of the light source (1101), and respectively directing the collected light beams (1301, 1303, 3301, 3303) to the collimating optical element (1104, 3104) in a reflective or refractive manner, after which the light beams forming parallel light after the collimation of the collimating optical element (1104, 3104); and further includes a mirror array (1105, 3105) for reflecting the parallel light to form a reflected light spot array.

Provided is a light source device, including: a light-emitting chip arranged on a base plate and configured to emit first light; a light guide rod including first and second light guide portions, the first light guide portion including a light incident end surface, the first light entering the light guide rod through the light incident end surface and being transmitted to the second light guide portion after passing through the first light guide portion, and the second light guide portion including a light-outputting surface for outputting light; a first positioning member including a first groove for accommodating the light guide rod, being directly or indirectly fixed relative to the base plate; and a movable fixing assembly configured to fix, together with the groove of the first positioning member, the light guide rod along a radial direction of the light guide rod, and deforms when fixing the light guide rod.

The present disclosure discloses a projection lamp for projecting a nebula and a starry sky comprising a housing, a light source assembly, a laser assembly, a rotating assembly, a control board, a base seat, and a power source port. The light source assembly and the laser assembly are disposed in the housing and penetrate through the housing, and the rotating assembly and the control board are disposed in the housing. The rotating assembly is configured to drive a rotating optical sheet and a diffraction sheet to rotate. The light source assembly comprises a light source board, a light reflecting cup, a fixed optical sheet, the rotating optical sheet, and a lens assembly. The light source board, the light reflecting cup, the fixed optical sheet, the rotating optical sheet, and the lens assembly are successively disposed along a path in which light rays emitted by the light source board move.

The illumination module for emitting light (5) can operate in at least two different modes, wherein in each of the modes, the emitted light (5) has a different light distribution. The module has a mode selector (10) for selecting the mode in which the module operates, and it has an optical arrangement. The arrangement includes—a microlens array (LL1) with a multitude of transmissive or reflective microlenses (2) which are regularly arranged at a lens pitch P (P1);—an illuminating unit for illuminating the microlens array (LL1). The illuminating unit includes a first array of light sources (S1) operable to emit light of a first wavelength L1 each and having an aperture each. The apertures are located in a common emission plane which is located at a distance D (D1) from the microlens array (LL1). In a first one of the modes, for the lens pitch P, the distance D and the wavelength L1 applies P2=2.Math.L1.Math.D/N wherein N is an integer with N≥1.

A novel illuminated kinetic artwork display apparatus implemented in a wall mountable cuboid frame, the frame comprising an enclosed display space covered by a slidably attached transparent plate, a plurality of removable and replaceable and rotatable acrylic members illuminated by a plurality of laser light beams causing the reflected light to produce a novel animated light display within the enclosed display space. The kinetic artwork display is controlled by the user a plurality of switches via a microcontroller. The self-contained apparatus also comprises a power supply and all electrical and mechanical components. An embodiment enabling the user to introduce dry ice to create a smoke-like atmosphere within the enclosed display space is presented.

A system, comprising a light source configured to emit light; and a first component including a reflective surface configured to reflect the light as a plurality of light elements that are reflected onto a second component. The reflective surface may include a plurality of mirrors. Each mirror, of the plurality of mirrors, may be configured to reflect a portion of the light as a respective light element of the plurality of light elements. A first light element, of the plurality of light elements, may be reflected onto a first location of the surface. A second light element, of the plurality of light elements, may be reflected onto a second location, of the surface, that is different than the first location.

A phosphor integrated laser-based light source includes a thermally conductive material arranged on a package base adjacent to a laser diode chip and an optically transparent material coupled to the thermally conductive material. A groove extends between the thermally conductive material and the optically transport material and is aligned to receive electromagnetic radiation from the laser diode chip. A wavelength conversion material is coupled to the optically transparent material and is configured to receive at least a portion of the electromagnetic radiation emitted into the groove and transmitted through the optically transparent material. A reflective material surrounds sides of the optically transparent material and the wavelength conversion material.

A light emitting device includes a base; a plurality of semiconductor laser elements disposed on the base and configured to emit light laterally from the plurality of semiconductor laser elements; a reflecting member disposed on the base and configured to reflect light from the semiconductor laser elements; a surrounding part disposed on the base and surrounding the semiconductor laser elements and the reflecting member; a wiring part disposed on the base so as to extend to a location outside of the surrounding part; a radiating body disposed on the surrounding part and having an opening; and a wavelength converting member that is located in the opening of the radiating body, the wavelength converting member being configured to convert a wavelength of light that is emitted from the plurality of semiconductor laser elements and reflected upward by the reflecting member.