Abstract: A unitary silicone prescription optic has a molded silicone body comprising: a front surface configured as a light exit; an integral reflector configured to receive and reflect light from an LED light source; and an integral attachment portion configured to mount the molded silicone body within a housing. The unitary silicone prescription optic has many advantages over conventional optic systems.

Abstract: A solid state lighting (SSL) with a solid state emitter (SSE) having thermally conductive projections extending into an air channel, and methods of making and using such SSLs. The thermally conductive projections can be fins, posts, or other structures configured to transfer heat into a fluid medium, such as air. The projections can be electrical contacts between the SSE and a power source. The air channel can be oriented generally vertically such that air in the channel warmed by the SSE flows upward through the channel.

Abstract: A first light source with a first etendue generates a first light beam to travel along a first optical path having an expanded portion formed by a collector optical system. A second light source having a second etendue less than one tenth of the first etendue forms second light, which is conducted by a light guide having a distal section with an end face. The second light is emitted from the end face as a second light beam that travels over a second optical path that resides within the expanded portion of the first optical path due to the light guide being disposed relative to the first optical path from an off-axis direction. An optical condenser receives and directs the first and second light beams to a common exit plane to form the combined light beam.

Abstract: An LED growth light and method for providing light to plants incorporating a reflector housing, LED driver, and dimmable rows of LED chips on the LED growth light. The reflector housings couple to a wiring compartment that includes wiring coupled to each row of LED chips on each reflector housing. The LED driver is coupled to an exterior groove in between two adjacent reflector housings.

Abstract: Described herein are examples of devices which include a tie-down bracket including side-facing lighting. The side-facing lighting is configured to provide lighting and illumination in the lateral direction of the movement of the vehicle. The side-facing lighting assembly components are prepared from a light source, a gasket, a lens, and a bezel.

Abstract: An air conditioner includes a housing including an illumination opening at a position viewable by a user; a blower provided in an airflow path connecting an inlet and outlet; a light emitter provided in the housing viewable through the illumination opening and including a light incident portion to receive light emitted from a first light source and a first light emission portion to emit first light generated from the light and including light simulating natural light; and at least one light extractor emitting second light that is part of the light received by the light emitter that reaches an edge portion of the light emitter without being emitted as the first light or second light received from the first light source or a second light source different from the first light source without intervention of the light emitter. The at least one light extractor is provided in the airflow path.

Abstract: A planar light source includes a support member; a light guide member including a first surface located proximate to an upper surface of the support member, a second surface opposite to the first surface, and a through hole extending from the first surface to the second surface; a light source unit including a light-emitting element and a wavelength conversion member that covers an upper surface and a lateral surface of the light-emitting element and disposed on the support member at a position of the through hole; a light-transmissive member disposed between the light source unit and the light guide member in the through hole; and a light adjustment member disposed on the light source unit and the light-transmissive member. An upper surface of the wavelength conversion member of the light source unit is located higher than the second surface of the light guide member.

Abstract: A lighting device for a motor vehicle, wherein the lighting device has a circuit board with a multiplicity of light-emitting diodes arranged thereon, a transparent optical layer, and a reflector element, wherein the reflector element is arranged between the circuit board and the optical layer, wherein the reflector element has multiple segments into which the reflector element is subdivided, wherein a segment is associated with each light-emitting diode so that light emitted by the light-emitting diodes can be reflected by the reflector element and can pass through the optical layer. Two light-emitting diodes are arranged in a segment. In addition, a lighting system and a motor vehicle are provided.

Abstract: A light emitting device comprising a mixing chamber (3). The mixing chamber having a bottom surface (31), a light exit window (33) and at least one side wall (32). The at least one side wall extends between the bottom surface and the light exit window. The light emitting device further comprises at least one light source (4) adapted for, in operation, emitting light into the mixing chamber. The at least one side wall (32) comprises an inner surface part (34) that borders the light exit window (33) and that faces an internal space (8) of the mixing chamber. The inner surface part (34) is an asymmetric reflector (9) to reflect a larger amount of incident light back towards the bottom surface (31) than towards the light exit window (33).

Abstract: An array of lenslets include a first surface with a plurality of individual cells defining one side of a respect lenslet, a second opposite surface with a set of grooves defining a second side of the array of lenslets. The array of lenslets is a circular arry having a plurality of concentric rings. Each ring includes a plurality of straight segments, and each segment includes lenslets arranged in a row. The lens is disposed over a carrier having an array of light emitting diodes (LEDS) disposed such that some of the LEDs are offset from a center of an associated cell, or a plurality associated with a shared cell and disposed at different positions along a groove direction.

Abstract: Method for attaching a lens (100) for a motor vehicle headlight (10) to a motor vehicle headlight housing (200), comprising the following steps in chronological order: a. providing a motor vehicle headlight housing (200), wherein the following is arranged in the motor vehicle headlight housing (200): a first light module (210) and a second light module (220), a screen (230), wherein the first and second light module (210, 220) as well as the screen (230) form an assembly, and providing a lens (100), which has a first projection section (110) and a second projection section (120), wherein the first projection section (110) in combination with the first light module (210) is designed to produce a first light distribution, and wherein the second projection section (120) in combination with the second light module (220) is designed to produce a second light distribution, wherein the lens (100) has an opaque section (130), b.

Abstract: An LED lamp includes a heat dissipation lamp holder including a lamp panel mounting portion and a power supply mounting portion that are opposite to each other, the lamp panel mounting portion being provided with a mounting groove; a LED lamp panel fixedly mounted in the mounting groove and including a plurality of light emitting elements; a driving power supply mounted to the power supply mounting portion and configured to power the LED lamp panel; a light transmitting panel covering the LED lamp panel; and a first angle controller provided on the power supply mounting portion and electrically connected to the LED lamp panel, the first angle controller being configured to control the light emitting elements corresponding different positions of the light transmitting panel to emit light.

Abstract: A light fixture includes a lower housing, a lower LED light source disposed in the lower housing and configured to project downlight, an upper housing, an upper LED light source mounted in the upper housing and configured to project rear or sidelight, a switch, a power supply, and a light control circuit including dimming means. The power supply and control circuit are configured to connect to a power source, with the switch operative to selectively energize both the lower and upper LED light sources.

Abstract: water ripple lamp includes: a housing assembly, a first water ripple light-transmitting plate, a water ripple light-transmitting tube assembly and a limiting assembly. The housing assembly is configured to define at least one light outlet. The first water ripple light-transmitting plate is configured to cover the at least one light outlet. The water ripple light-transmitting tube assembly is arranged inside the housing assembly. The water ripple light-transmitting tube assembly is configured to be rotatable. The water ripple light-transmitting tube assembly includes: a water ripple light-transmitting tube and an outer ring fixed to the water ripple light-transmitting tube. The limiting assembly includes a retaining ring and a bearing structure. The bearing structure is fixed to the retaining ring. The bearing structure includes a bearing. The bearing abuts against the outer ring, and is rollable relative to the outer ring.

Abstract: An integrated-lighting-module may have a heat sink module, a LED light chip, an optical reflector, and a holder/trim, and optionally a driver cap. The driver cap may be configured to hold a driver within the driver cap to power the LED light chip. The driver cap may attach to a top of the heat sink module. The heat sink module may be finned at various locations. The holder may attach to the heat sink module with the optical reflector and the LED light chip disposed between elements of the holder and elements of the heat sink module. Trim, such as MR16 sized trim, a lamp, and/or a lens holder, may attach to bottom flanges of the holder. The integrated-lighting-module may be adjusted without interfering with the trim. The holder may be trim in some embodiments.

Abstract: An LED filament comprising: a plurality of LED chips electrically connected with one another; two conductive electrodes, each of the two conductive electrodes being electrically connected to a corresponding LED chip of the LED chips; a light conversion coating coated on the two conductive electrodes, a portion of each of the two conductive electrodes being exposed from the light conversion coating, wherein the light conversion coating comprises a top layer and a base layer, the base layer coats on one side of the LED chips, and the top layer coats on another sides of the LED chips, so that the light conversion coating is coated on at least two sides of the LED chips; and the top layer comprise a wave crest and a wave trough adjacent to the wave crest, and an attaching structure disposed either between the top layer and the base layer, or between the base layer and the conductive electrodes, or between the top layer and the conductive electrodes to enhance fastness between the light conversion coating and the

Abstract: A hand-held lighting device is disclosed with a handle and a head housing a first and second light source, wherein a longitudinal axis of the head is disposed at a non-parallel angle with respect to a longitudinal axis of the handle. The first light source is annular light emitting diode and the second light source is a light excited phosphor.

Abstract: A driver for a light-emitting diode (LED) device comprises: a rectifier, a current regulator and a detecting module. The rectifier is coupled to a ballast and configured to convert an alternating current from the ballast into a direct current. The current regulator is coupled between the rectifier and the LED device, and configured to receive the direct current from the rectifier and output a driving current to the LED device. The detecting module is configured to detect a signal indicating an output characteristic of the ballast, during a startup stage of the LED device. The current regulator is configured to convert the direct current from the rectifier into the driving current with a value equal to or less than a preset current threshold when the signal meets a preset condition, and the preset current threshold is less than a maximum current the LED device is able to carry without damage.

Abstract: A light strip facilitated for shape forming includes a flexible member and a light emitting assembly. The flexible member has an elongated shape and includes a light transmissive portion and a cavity arranged at an internal thereof. The light emitting assembly includes a plurality of light emitting elements arranged spaced apart from each other and inside the cavity. The flexible member includes a slot arranged at one side and extending in the same direction and is used for clamping and securing to a stand portion formed by a metal wire, in order to form a planer or three-dimensional shaped light ornament.

Abstract: A light assembly for attachment to a surface of a vehicle. The light assembly includes a vehicle base configured to be coupled to the surface of the vehicle and a light head coupled to the vehicle base. The light head is configured to rotate relative to the vehicle base about a first axis and about a second axis that is different from the first axis. The light head is configured to rotate about the first and second axes at a first speed in response to a first user input, and to rotate about the first and second axes at a second speed that is different from the first speed in response to a second user input.

Abstract: Example embodiments relate to light emitter devices with adaptable glare classes. One example light emitting device includes a carrier. The light emitting device also includes a plurality of light sources disposed on the carrier. Additionally, the light emitting device includes a lens plate disposed on the carrier. The lens plate includes a flat portion and a plurality of lenses covering the plurality of light sources. Further, the light emitting device includes a light shielding structure mounted on said lens plate. The light shielding structure includes a plurality of closed reflective barrier walls, each having an interior bottom edge disposed on the flat portion, an interior top edge at a height above the flat portion, and a reflective surface connecting the interior bottom edge and the interior top edge and surrounding one or more associated lenses of the plurality of lenses. The height is at least 2 mm.

Abstract: Disclosed is an air purifier with an ambient lamp. The air purifier includes an upper housing, a lamp belt, and a lower housing, where a bottom edge of the upper housing is provided with a fixing recess matching the lamp belt in shape, the lower housing includes a base and a supporting plate vertically arranged at a preset position of the base, and the base is fixedly connected to a bottom of the upper housing, such that one end of the supporting plate away from the base presses the lamp belt in the fixing recess, and the lamp belt is arranged opposite an edge of the base at an interval. According to the present invention, the lamp belt is fixed to the bottom of the upper housing, and the lamp belt and the base of the lower housing are arranged at an interval.

Abstract: An illumination module includes a light source, which includes an annular circuit board and a plurality of light sources arranged on the annular circuit board. The power supply driver is electrically connected with the annular circuit board. The illumination module further includes an optical component, having opposite front and back surfaces and comprising a power supply accommodating part and a lens part integrally connected to an around area of the power supply accommodating part, a back surface of the power supply accommodating part being provided with a power supply groove, where a front surface of the lens part is provided with a light distribution structure. The illumination module further includes a circuit snap-fit member and a plurality of mounting part snap-fit members extending from a back surface of the lens part.

Abstract: A universal submersible LED lamp/luminaire adapted to be placed inside a tube embedded in walls or floors of swimming pools, tubs, jacuzzies, or other bodies of water includes a hermetically coupled tubular casing defining posterior and anterior ends. The posterior end includes a connector, configured with an arrangement of five round pins for four connection configurations. The anterior end comprises a waterproof sealed lens and internally houses a panel of LEDs. An LED lighting control electronic board is housed inside the casing and is connected to the connector and LEDs. The board integrates microchips programmed to execute a pattern and sequence automated switching on of the LEDs and that are activated depending on the connection position of a power supply cable in connector.

Abstract: In an embodiment, a method for producing optoelectronic semiconductor devices includes applying a temporal spacer to protect a light-exit face of an optoelectronic semiconductor chip by applying a photoresist onto a first carrier, subsequently developing the photoresist in places thereby forming the temporal spacer and subsequently mounting the optoelectronic semiconductor chip onto a side of the temporal spacer facing away from the first carrier, forming a reflector in a lateral direction directly around the optoelectronic semiconductor chip and around the temporal spacer, subsequently removing the temporal spacer so that the reflector extends beyond the light-exit face and applying an optical element onto the reflector so that a gap exists between the light-exit face and a light-entrance face of the optical element.

Abstract: A corner lamp includes a lamp base, a light source module set on the lamp base, a first optical element set above the light source module, and an interconnection interface, the lamp base includes at least one corner section, the light source module is set on the outer wall of the corner section and extends along the corner direction; the present invention also discloses an interconnection lighting system; the corner lamp and interconnection lighting system of the present invention, the corner lamp itself can emit light, solving the problem of dark areas in the corner interconnection in the prior art.

Abstract: A tent frame includes a detachable illumination device with a casing to house batteries, a light source to emit light, a coupler and a first cover. The casing includes a first member. The coupler includes a second member, and one or more electrically-conductive members for electrically connecting the batteries. The second member is movable relative to the first member in a first direction to facilitate engagement/disengagement of the coupler with/from the casing. The second member is immovable relative to the first member in a second direction to prevent the one or more electrically-conductive members from misaligning with the batteries. The first cover is movable relative to the coupler in the first and second directions. When connected to the casing, the first cover pushes the coupler in the first direction toward the batteries and presses the one or more electrically-conductive members against the batteries to ensure electrical connection.

Abstract: A lighting device for a vehicle, having a plurality of light sources, which are arranged in an array, in particular in line-by-line and column-by-column fashion, and can be operated independently of each other at least in part, wherein the light sources emit light during operation; an exit face through which the light emanating from the light sources passes; and a plurality of extensive boundary elements, which extend at least partly in a region between the light sources and the exit face and serve to separate the light emanating from different light sources, wherein at least some, preferably all, of the extensive boundary elements have a reflector which at least partly reflects the light emanating from one of the light sources in the direction of the exit face.

Abstract: A light fixture apparatus with at least one multi-color light emitting diode (LED) cluster. Each LED cluster preferably includes four differently colored LEDs, or four different color-correlated temperature LEDs, in a single optic defining a foursquare array. A cluster thus arranged thereby promotes thorough mixing of the differing wavelengths of light emitted by the cluster. Further, a plurality of such clusters may be arranged so to enhance or optimize color mixing amongst the plurality of clusters. A series of LED clusters may be situated linearly along a suitable substrate in a luminaire for emitting visible light.

Abstract: This specification discloses methods of enhancing the stability and performance of Eu2+ doped narrow band red emitting phosphors. In one embodiment the resulting phosphor compositions are characterized by crystallizing in ordered structure variants of the UCr4C4 crystal structure type and having a composition of AE1?xLi3?2yAl1+y?zSizO4?4y?zN4y+z:Eux (AE=Ca, Sr, Ba, or a combination thereof, 0<x<0.04, 0?y<1, 0<z<0.05, y+z?1). It is believed that the formal substitution (Al,O)+ by (Si,N)+ reduces the concentration of unwanted Eu3+ and thus enhances properties of the phosphor such as stability and conversion efficiency.

Abstract: The present disclosure relates to various embodiments to enable the assembly, construction, and operation of a miniature integrated LED lamp comprising an envelope positioned at a distal end of a solid body portion and a base positioned at a proximal end of the solid body. The envelope further comprises a transparent light diffuser enclosing a semi-cylindrical light pipe containing one or more LEDs populated on its external surface and a LED driver positioned internally within a formed lumen of the light pipe. The light pipe and LED driver are physically and or electrically connected to a cylindrical heatsink encapsulated within the envelope and body portion of the bulb, facilitating thermal management. The envelope and base are assembled together with one or more specific lamp bases to form an LED lamp satisfying performance standards suitable for retrofit or replacement of a standard INC or halogen lamp.

Abstract: A lighting device includes a housing, a light source, a light guide panel, and a lens. The housing includes a base, a first side wall, a second side wall, a first bumper protruding from an outer surface of the first side wall, and a second bumper protruding from an outer surface of the second side wall. The first bumper and second bumper to aid in positioning the housing within a slot formed in an external structure. The light guide panel is configured to diffuse light emitted by the light source. The lens is coupled to the housing and includes a base, a first side wall, a second side wall, a first wing protruding from an inner surface of the first side wall, and a second wing protruding from an inner surface of the second side wall.

Abstract: A LED bulb apparatus has a bulb shell, a head cap, a driver circuit and at least one light strip. The bulb shell has a light passing shell and a bottom portion. A head cap has a neck portion, a first electrode and a second electrode. The neck portion of the head cap is connected to the bottom portion of the bulb shell forming a container space. A fluorescent layer covers the multiple LED modules. The driving current is transmitted via at least one of the top end and the bottom end of the light strip to the LED modules. The substrate has a light transmittance less than 50%.

Abstract: The present disclosure relates to a function display for selectively displaying symbols representing switching states for a motor vehicle including a light guide stack of at least two transparent or translucent, planar light guides arranged in an overlaid manner in a stacking direction, which are spaced apart by a transparent or translucent layer including a material that is optically thinner compared to the adjacent light guides so that the light guides have a main surface facing towards an observer and a main surface facing away from the observer that faces towards a light guide which is most closely adjacent in stacking direction; at least one light source per light guide arranged to couple light into the respective light guide via an end face; wherein one light-refractive and/or light-scattering microstructured portion per light guide, which is provided in or on the light guide, is provided for generating a symbol display.

Abstract: A tension-mounted support lighting system provides visually stimulating flexile, lighting housed within an unconventional silicone lens. The system offers flexible installation and conceptual yet functional design. The lighting strip bends up and down giving it the unique ability to traverse open spaces wall to wall, wall to ceiling, or floor to ceiling. Various optional components allow customization and control for an ideal outdoor lighting system.

Abstract: A free standing display case with a product display system capable of displaying product and delivering multiple different messages with the illumination of the product and the illumination of a product display panel separable from each other with the information on the illuminated product display panel generated from a backlit panel and either conspicuous or inconspicuous changes in illumination from LED strip lights drawing a customers attention to products on the product display stand.

Abstract: A light therapy wearable includes a fabric panel and a side-emitting light tube affixed to or held against the fabric panel. The side-emitting optical light tube includes a side-emitting optical fiber and a jacket surrounding the side-emitting optical fiber. The side-emitting optical fiber includes a core and cladding surrounding the core. The core is made from a synthetic polymeric material. The jacket is made from a transparent or translucent material and has a durometer of at least 65 A and an outer diameter at least seven times a core diameter of the side-emitting optical fiber.

Abstract: A lighting apparatus includes a driver module, a light source, a main housing and an optical plate. The driver module converts an external power to a driving current. The light source includes multiple LED chips. The light source is coupled to to the drive module to emit a light. The main housing is used for disposing the driver module and the light source. The optical plate is detachably inserted into a sliding track of the main housing via a lateral opening of the main housing so that the optical plate is replaceable. The optical plate changes a light direction of the light emitted by the light source to a light opening. A first surface of the light opening is substantially perpendicular to a second surface of the lateral opening.

Abstract: An LED filament includes a plurality of LED chips arranged in an array substantially along an axial direction of the LED filament and electrically connected with one another; two conductive electrodes disposed corresponding to the array, each of the two conductive electrodes being electrically connected to a corresponding LED chip at an end of the array; an enclosure coated on at least two sides of the array and the two conductive electrodes, and a portion of each of the two conductive electrodes being exposed from the enclosure; a surface of the enclosure defines a surface extending direction along the axial direction of the LED filament, a long side of each of the LED chips defines an LED extending direction, and the surface extending direction and the LED extending direction of at least one of the LED chips define an included angler.

Abstract: A power tool includes a housing containing a motor, an output member configured to be driven by the motor to perform an operation on a workpiece, and a handle having a first end portion coupled to the housing and a second end portion. A base is coupled to the second end portion of the handle. A light emitting assembly is pivotably coupled to the base. The light emitting assembly is configured to be operable in a first mode to illuminate a workpiece and a second mode to indicate a condition of the power tool responsive to the power tool signaling the condition to the light emitting assembly.

Abstract: An aircraft lamp includes a light source unit, a lamp housing that houses the light source unit, and a power supply control unit that has a casing and includes a control circuit structure configured to control light emission of the light source unit. The control circuit structure is housed in the casing. The casing is disposed outside the lamp housing.

Abstract: A water-proof modularized lighting device includes a light source module and a frame. The light source module includes a housing and two end caps disposed at the two ends thereof respectively. Each end cap includes a base having an accommodating space and two connecting sheets fixed at the bottom thereof. The frame includes two electrical connecting modules. Each electrical connecting module includes an installation base and two clamping structures. The installation base has an installation space, a central drainage channel and two lateral drainage channels. The clamping structures are disposed at the bottom of the installation space. The central drainage channel and the lateral drainage channels surround the installation space. The end caps are detachably installed at the electrical connecting modules respectively, such that the connecting sheets of each end cap are inserted into the clamping structures of the electrical connecting module corresponding thereto.

Abstract: A lighting unit (100) for a medical luminaire (150) has a number of groups of LEDs (110, 110?, 110?) that are connected to a common planar printed circuit board (115). Each LED (112, 112?) of at least one of the groups (110, 110?) is associated with a respective optic (122, 122?) by which a respective LED-optic pair (120, 120?) is formed. The respective optics, based on the structure (328), specify a tilt angle (125) of a central light beam axis (124, 124?) of an emitted light beam of the LED optics pair in a tilt direction (627) of the respective LED optics pair. The tilt direction is defined such that the respective light beam axes of the emitted light beams of the LED optics pairs from the at least one group of LEDs are at least partially skewed in pairs with respect to one another.

Abstract: A light fixture system with auto-adjustable inclination angle of a lens includes a case, a supporting arm pivotally connected to the case and rotatable in a first dimension, and a light head pivotally connected to the supporting arm and rotatable in a second dimension. The light head is provided with a light source, a light-transmitting lens, and at least three driving mechanisms for driving the light-transmitting lens to move along an outgoing direction of the light source, and the driving mechanisms are independent from each other and not located in the same line. An angle detector is used to monitor an included angle of the light-transmitting lens with respect to the outgoing direction of the light source, when the light-transmitting lens is not perpendicular to the outgoing direction of the light source, the light-transmitting lens is controlled to be perpendicular to the outgoing direction of the light source.

Abstract: An LED lighting device, comprises a first portion, comprising a lamp cap; a second portion, connected with the first portion, comprising a case and a power supply, and the power supply is disposed in the case; and a third portion, connected with the second portion, comprising a heat exchange unit and a light emission unit connected with each other, and the light emission unit and the power supply are electrically connected. A distance b from a junction face of the first portion and the second portion to a plane where a center of gravity of the LED lighting device is located satisfies: (L2+L3)/5<b<3(L2+L3)/7, wherein L2 is a length of the second portion, L3 is a length of the third portion, and both the junction face and the plane are parallel and perpendicular to a first direction.

Abstract: The present disclosure discloses a light emitting assembly and a lamp, the light emitting assembly includes a base portion, a conductive portion, a light source and a transparent insulating layer, the base portion is a rigid structure; the conductive portion is arranged on a surface of the base portion, and is insulated from the base portion; the light source is installed on the surface of the base portion where the conductive portion is located, and is electrically connected to the conductive portion; the transparent insulating layer covers the conductive portion and the light source.

Abstract: A downlight, comprising: a back cover; light source components, provided on an aluminum substrate; a surface ring, which is a transparent supporting component and supports the aluminum substrate so that the aluminum substrate can be fixed to the back cover, and is fastened to the back cover; a light diffusing cover, mounted on a bottom of the surface ring for transmitting light emitted from the light source components. In the downlight of the present disclosure, light is transmitted to a ring-shaped panel of the surface ring through a truncated cone structure of the surface ring, and is then transmitted out of the ring-shaped panel, to achieve light emission with a new angle, solving the problem that in conventional downlights, light can only be emitted from a single angle. The present disclosure improves the angle of light emission from the light source while also improving its light emission effect.

Abstract: A display unit is supported by the mobile and stationary mounts that are rotatable with respect to each other about a common support. The mounts include undulating pattern between them that enables to move relative to each other.

Abstract: Disclosed a backlight lamp panel, a backlight module and a liquid crystal display. The backlight lamp panel includes a substrate body and at least one light-emitting unit, wherein at least one side edge of the substrate body is disposed with at least one splicing tooth and at least one splicing groove for accommodating a splicing tooth on other substrate body, the splicing tooth and the splicing groove are alternately disposed; and at least one light-emitting unit is arranged on a first surface of the substrate body in a matrix, and disposed on the splicing tooth. The substrate body is divided into at least one sub-region, each sub-region includes the light-emitting unit of at least one splicing tooth, and brightness of each sub-region is independently adjusted. A bottom of the splicing groove has a larger size than a notch of the splicing groove.

Abstract: A lighting device comprising a plurality of lighting modules arranged concentrically about an optical axis is disclosed wherein the plurality of lighting modules emit light in at least one of a plurality of wavelength ranges (UV, visible (e.g., blue, green, yellow, orange, red, white, etc.), IR) and are arranged at a non-parallel angle to an optical axis of the lighting device, wherein the emitted light is directed towards a lens system that focuses the light onto a viewing point. A second lighting device is disclosed, wherein the lighting device comprises a plurality of lighting modules arranged concentrically about an inner circumference of the lighting device, wherein the plurality of lighting modules emit light in at least one of a plurality of wavelength ranges (UV, visible (e.g., blue, green, yellow, orange, red, white, etc.), IR) onto a lighting director device that redirects the emitted light toward a lens system that focuses the light onto a viewing point.