Provided is a backlight unit including: a substrate; a plurality of light-emitting devices mounted on the substrate; and an optical sheet disposed above the light-emitting devices, wherein the optical sheet is in contact with a light-emitting surface of at least one light-emitting device via one surface thereof, and emits light of the light-emitting device incident on one surface thereof to the other surface facing the one surface, while refracting or dispersing the light in a direction different from a direction in which the light is incident due to an optical pattern formed therein.

A hybrid vehicle lamp includes a functional surface and a functional marking integrated within the functional surface. A housing has a plurality of mounting locations configured to respectively align a plurality of light sources configured to illuminate the functional marking or the functional surface, or both, in a lit mode. A controller is configured to individually control each of the plurality of light sources for providing different illumination patterns of the functional marking and the functional surface such that such that automotive functional lighting and non-automotive functional lighting is provided.

Illumination devices with improved color mixing optics are disclosed herein for mixing the colors produced by a multi-colored LED emitter module to produce uniform color throughout the entire beam angle of the output light beam, along with smoother edges and improved center beam intensity. Embodiments disclosed herein include a unique arrangement of multi-color LEDs within an emitter module, a unique exit lens with different patterns of lenslets on opposing sides of the lens, and other associated optical features that thoroughly mix the different color components, and as such, provide uniform color across the output beam exiting the illumination device. Additional embodiments disclosed herein include a unique arrangement of photodetectors within the primary optics structure of the LED emitter module that ensure the optical feedback system properly measures the light produced by all similarly colored emission LEDs.

An optical device includes first and second optical elements rotatable with respect to each other around a geometric optical axis of the optical device. The first optical element includes a first surface for modifying a distribution of light exiting the first optical element, and the second optical element includes a second surface facing towards the first surface and for further modifying the distribution of the light. One of the first and second surfaces includes convex areas whereas the other one of these surfaces includes concave areas so that an optical effect of the optical device is changeable by rotating the first and second optical elements with respect to each other. The first and second optical elements include sliding surfaces for mechanically supporting the second optical element with respect to first optical element in radial directions perpendicular to the geometric optical axis.

The present application belongs to the technical field of a lamp, and, relates to a 3D-pattern waving projecting lamp. The 3D-pattern waving projecting lamp includes a lamp shell assembly, a control circuit board, a first rotating assembly, and a 3D-pattern projecting assembly. A 3D-pattern imaging assembly includes a first light source, a first convex lens, a second convex lens, a third convex lens, and a first pattern sheet. The first pattern sheet forms a light spot and forms a light pattern. The second convex lens is arranged on the first rotating assembly and located on a side of the first pattern sheet towards the first convex lens. The second convex lens receives the light pattern and generates an analog 3D pattern. The first rotating assembly drives the second convex lens to rotate, which can achieve movement and focusing of the plurality of 3D patterns, project the patterns with a plurality of 3D effects, and enable a user to quickly immerse among the patterns, thereby improving the user's experience.

An electronic module can include a first housing defining a housing cavity, the first housing defining a first end and a second end positioned opposite from the first end, the first end defined by a shaft of the first housing, the shaft defining external threading, the first housing defining a housing opening to the housing cavity at the second end; an LED lamp board positioned within the housing cavity, the LED lamp board configured to emit light through the housing opening; a power supply driving module positioned within the housing cavity at least partially between the LED lamp board and the shaft; and a first concentric terminal connected in electrical communication with the power supply driving module, the first concentric terminal extending at least partially through the shaft, the first concentric terminal configured to rotatably connect in electrical communication with a second concentric terminal.

A method and apparatus for an adaptable vehicle light fixture is provided to activate varying light distribution patterns based upon preconfigured operation of trigger and/or power wires. One or more trigger and/or power wires connected to one or more vehicle light fixtures are preconfigured through wired and/or wireless programming to generate specified light distribution patterns that are responsive to the preconfigurations during manual operation. Wireless preconfiguration includes the use of a handheld magnetic device or smartphone. Wired preconfiguration includes the use of a vehicle-based controller area network (CAN) bus. Any preconfigured operation may be changed at any time by the user by programmably changing the preconfiguration.

A light-emitting device includes: a substrate comprising a base; a semiconductor laser element disposed on an upper surface of the base; a sealing member located above the base and fixed to the substrate, wherein the sealing member and the substrate define a sealed space in which the semiconductor laser element is located; and a lens member fixed to the sealing member by adhesive, the lens member comprising a lens section through which light emitted from the semiconductor laser element passes. A space between the sealing member and the lens member is open to an area outside the light-emitting device.

A luminaire for providing configurable static lighting or dynamically-adjustable lighting. The luminaire uses an array of focusing elements that act on light provided via a corresponding array of sources or via an edge-lit lightguide. Designs are provided for adjusting the number of distinct beams produced by the luminaire, as well as the angular width, angular profile, and pointing angle of the beams. Designs are also provided for systems utilizing the adjustable luminaires in various applications.

A modular and decentralized architecture for building illuminated means of egress from a device level to a building system level, wherein low and high mounted illuminated means of egress inside a building can use the same luminaire form factor.