Abstract: An LED lamp includes: a lamp head; a passive heat dissipating element having a heat sink; a power source; a light emitting surface comprising LED chips electrically connected to the power source; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover; wherein the first heat dissipating channel comprises a first end and a second end; wherein the second heat dissipating channel comprises a third end on the light emitting surface; wherein the power source includes a power board and a plurality of electronic components mounted thereon; wherein the first heat dissipating channel includes an inner channel and an outer channel, a transformer of the electronic components includes a core and coils, the core has a second chamber in which the coils are disposed, an opening is formed at a side of the second chamber in a radial direction to expose the coils, the opening corresponds to the inner channel or the outer channel.

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source; a light emitting surface; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base; a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein a third aperture is located in a central region of the light emitting surface, and the third aperture forms an air intake of both the first heat dissipating channel and the second heat dissipating channel; wherein the light emitting surface has an inner border and an outer border encircling the inner border, both the inner border and the outer border separately upward extend along the axial direction of the LED lamp t

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve; a passive heat dissipating element having a heat sink; a power source; a light emitting surface; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover; wherein the sleeve has an upper portion and a lower portion, the upper portion is connected to the lower portion through an air guiding surface, a diameter of cross-section of the air guiding surface downward tapers off along the axis of the LED lamp.

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base; a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein the light emitting surface includes three LED chip sets, each of the three LED sets has LED chips, the light emitting surface is divided into three areas comprising an inner ring, a middle ring and an outer ring, the three LED chip sets are respectively located in the inner ring, the middle ring and the outer ring, when at leas

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source; a light emitting surface; a first heat dissipating channel formed in a first chamber of the lamp shell; a second heat dissipating channel formed in the heat sink and between the fins and the base; a lamp cover connected with the heat sink and having a light output surface and an end surface; wherein the base of the heat sink has a lower end located under the base, the lower end protrudes from the light emitting surface in an axis of the LED lamp; another side of the base of the heat sink, which is opposite to the lower end, has a back side, an end of each of the fins of the heat sink extends to connect with the back side, when the LED lamp is being hung, in an inward radial direction, the back side is upwardly sl

Abstract: An LED lamp includes: a lamp head; a passive heat dissipating element having a heat sink; a power source; a light emitting surface comprising LED chips electrically connected to the power source; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover; wherein the first heat dissipating channel comprises a first end and a second end; wherein the second heat dissipating channel comprises a third end on the light emitting surface; wherein the power board is divided into a first mounting zone and a second mounting zone, total weight of the electronic components on the second mounting zone is greater than total weight of the electronic components on the first mounting zone, the first mounting zone is provided with a counterweight to balance the two zones of the power board in weight.

Abstract: An LED lamp includes: a lamp shell; a passive heat dissipating element; a power source; a light emitting surface comprising LED chips; a first heat dissipating channel; a second heat dissipating channel; and a lamp cover having a light output surface and an end surface, wherein the end surface is formed with a vent; wherein the first heat dissipating channel comprises a first end and a second end; wherein the second heat dissipating channel comprises a third end; wherein the first end is projected onto the end surface in an axis of the LED lamp to occupy an area on the end surface, which is defined as a first portion, another area on the end surface is defined as a second portion, and the vent in the first portion is greater than the vent in the second portion in area.

Abstract: Environmental lighting assemblies are disclosed that may include a structural element, which may be a tubular J-shaped element or other shape or structure, as well as a driver module and an LED lighting engine assembly with a removable locking assembly for generating output light to streets, the ground, trees, or other surfaces, objects, or structures.

Abstract: A color changing cover device for an electronic device includes a translucent cover component appearing white when not illuminated and having a shape adapted to cover a select portion of the electronic device, a direct transmission of less than 10%, and a diffuse transmission of less than 1%. A backlight component is arranged to illuminate the translucent cover component from a back surface of the translucent cover component. The backlight component is configured to provide at least two individually addressable colored lights with different spectral output.

Abstract: A self-monitoring LED marine navigation light that monitors LED intensity and if the intensity is not COLREG compliant, a microprocessor in the light simulates an open filament just as would an incandescent light, thus allowing the analog ships alarm panel circuit to trigger an alarm. The device generally comprises a base, a lens mounted to the base, and an LED module seated in the base and enclosed by the lens. The LED module includes primary and optional secondary LED lights plus one or more photodiode(s) exposed to the LED light(s). The LED also includes a processor and software for measuring light intensity input to the photodiode(s), comparing measured intensity to a minimum COLREG threshold, and signaling failure when measured intensity falls below said minimum threshold.

Abstract: A light includes a bottom box, a cover mounted on the bottom box, a light emitting shield mounted on the cover and a back plate; the bottom box includes a bottom plate, a light source connected to the bottom plate, a sealing strip extending from the bottom plate, a plurality of cooling fins connected to the bottom plate and a rod sleeve connecting the bottom plate; the bottom plate is provided with a plurality of connection holes; the back plate includes a mounting portion, two extending portions extending from both sides of the mounting portion and two fixing portions extending from the extending portions; the mounting portion is provided with a rod receiving hole; the mounting portion is provided with a plurality of plate connection holes; the fixing portion of the back plate is provided with a plurality of fixing holes.

Abstract: In accordance with certain embodiments, lighting systems include one or more lightsheets each including a plurality of strings of light-emitting elements, control elements, and power conductors for supplying power to the light-emitting elements and control elements.

Abstract: A vehicle lamp is provided with a housing and a transparent lens connected to the housing to define a lamp chamber there between. A reflector is disposed in the lamp chamber for reflecting light through the lens. An electrical board is disposed in the lamp chamber and oriented in relative to the reflector. A light emitting diode (LED) is mounted to the electrical board for emitting light. A light shade is mounted to the electrical board at a mounting feature defined at a predetermined location relative to the LED to block light rays emitted by the LED. The shade is soldered to the electrical board at the predetermined orientation relative to the LED and the light shade does not contact the reflector.

Abstract: A thermally conducting reflector is employed to serve as dual-use thermal conductor and light reflector for collimating a multi-chip LED array. The thermally conducting reflector consists of a heat sink, item, a reflector made of a thermally conducting and optically reflective material such as aluminum, item, a transparent cover, item, and lamp base that is electrically isolating, item and a common lighting electrical connector, item, illustrated as an Edison type screw base. The novelty in the present invention is how the items are structured to work together to dissipate heat.

Abstract: An LED (light emitting diode) lamp comprises a lamp shell, the lamp shell includes a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell, wherein the heat sink comprises fins and a base; a power source having a first portion and a second portion, wherein the first portion of the power source is disposed in both the lamp neck and the lamp head of the lamp shell, and the second portion of the power source is disposed in the heat sink of the passive heat dissipating element; a light board connected to the base of the passive heat dissipating element and comprising LED chips, the LED chips electrically connected to the power source; and a lamp cover with a light output surface, an end surface, an inner reflecting surface and an outer reflecting surface, wherein the inner reflecting surface is disposed inside the light output surface of the lamp cover and the outer reflecting sur

Abstract: An LED (light emitting diode) lamp comprises a lamp shell, the lamp shell includes a lamp head, a lamp neck and a sleeve, the lamp head connects to the lamp neck which connects to the sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell; a power source having a first portion and a second portion, wherein the first portion of the power source is disposed in both the lamp neck and the lamp head of the lamp shell, and the second portion of the power source is disposed in the heat sink of the passive heat dissipating element; a light board connected to the base of the passive heat dissipating element and comprising LED chips, the LED chips electrically connected to the power source; and a lamp cover with a light output surface, an end surface, an inner reflecting surface and an outer reflecting surface, the inner reflecting surface disposed inside the light output surface of the lamp cover and the outer reflecting surface disposed in the outer circle of the array of the LED ch

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell; a power source having a first portion and a second portion; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips electrically connected to the power source; a first heat dissipating channel formed in a first chamber of the lamp shell for dissipating heat generated from the power source while the LED lamp is working, and the first chamber is located between bottom of the LED lamp and an upper portion of the lamp neck; and a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink for dissipating the heat generated from the LED chips and transferred to the heat sink; wherein a lateral outline of the LED lamp detours around the axis of the LED lamp 360 degrees to turn around to form a contour of the LED lamp, the outline includes an out

Abstract: A light source that is adapted to replace existing fluorescent tubes in an existing fluorescent light fixture is disclosed. The light source includes a plurality of LEDs mounted on a heat-dissipating structure, first and second plug adapters that mate with the florescent tube connectors of the fluorescent tube the light source is to replace, and a power adapter that converts power from a fluorescent tube ballast presented on the first and second plug adapters to DC power that powers the LEDs. The light source is powered from the output of the existing fluorescent ballast. The light source can utilize the existing metallic enclosure as a heat-radiating surface and/or direct air heat transfer from the surface of the heat-dissipating structure.

Abstract: A LED module (14) including a circuit board (20) provided with electrical conductors and defining opposed circuit board first and second surfaces (61 and 62); a power input (40) electrically coupled to the electrical conductors; LEDs (22) provided on the circuit board first surface (61), each LED (22) defining a light emitting surface (23) facing substantially away from the circuit board (20), the LEDs (22) being electrically coupled to the electrical conductors for being powered when the power input is powered; an encapsulation layer (50) having an encapsulation layer index of refraction and covering the circuit board first surface (61) and the LEDs (22); a CCT correcting layer (48) having a CCT correcting layer index of refraction and coating at least part of at least one of the light emitting surfaces (23) and provided between the at least part of the at least one of the light emitting surfaces (23) and the encapsulation layer (50).

Abstract: An automotive lighting with automatic brightness adjustment includes a radiator, a light source baseplate in the radiator, a LED lamp on the light source baseplate, a temperature sensor on the light source baseplate and on a side of the LED lamp, a driving power circuit board electrically connected to the LED lamp and the temperature sensor, and a driving IC on the driving power circuit board and electrically connected to the LED lamp and the temperature sensor through the driving power circuit board. The radiator has a light transmission part corresponding to the LED lamp. The driving IC of the present application adjusts the brightness of the LED lamp through the temperature sensor sensing a temperature of the environment where the LED lamp is located.

Abstract: A lighting device including a light emitting diode (LED) luminaire assembly and a bracket body. The bracket body includes at least one arm configured to support the LED luminaire assembly, and a cavity configured to receive a power supply.

Abstract: A kitchen unit (200), for example an extraction hood, has a task lighting system (100) for illuminating an operative area (210) below the kitchen unit. The task lighting system includes: at least a plurality of fixed lighting elements (110) configured to generate, on the operative area, corresponding fixed elementary light spots (270) and macro light spots (280) by the union of the elementary light spots; and a control unit (115) configured to receive a spot position signal indicative of a desired position of a macro light spot and to selectively activate, based on the spot position signal, the lighting elements to generate a macro light spot with said desired position.

Abstract: The described embodiments relate to systems, methods, and apparatuses for providing a lighting system that includes backup light emitting diodes (LEDs) that are incorporated into a primary array of LEDs of the lighting system. The backup LEDs can be illuminated when a utility power source for the lighting system becomes unavailable. The backup LEDs can operate from a backup power supply, which can be charged from the utility power source, when the utility power source is available. Furthermore, charging of the backup power supply can be temperature dependent, in order that the backup power supply and/or the charging circuit can be protected from damage caused by operating such components out of an operating specification.

Abstract: Various embodiments provide a light emitting diode (LED) module, an LED lighting device comprising an LED module, and methods for manufacturing an LED module and/or an LED lighting device. In one embodiment, the LED lighting device comprises a housing comprising a metal shell and defining a central opening; and an LED module having one or more LEDs mounted about a periphery of a first surface of the LED module. The LED module is oriented and retained within the central opening of the housing such that the first surface faces out of the central opening. Furthermore, the LED module is secured to the housing via the metal shell.

Abstract: A luminaire includes a housing having an outer wall and a mounting wall configured to be secured to a structure. The housing further includes a compartment defined at least partially between the outer wall and the mounting wall. The compartment is configured to support a plurality of control devices. A support is coupled to the housing and supports a light emitter assembly. The support includes a plurality of fins in thermal communication with the light emitter assembly. A wall is positioned between the compartment and the plurality of fins.

Abstract: An LED lamp includes: a lamp shell including a lamp head, a lamp neck and a sleeve; a passive heat dissipating element having a heat sink connected to the lamp shell; a power source having a first portion and a second portion; a light emitting surface connected to the heat sink of the passive heat dissipating element and comprising LED chips electrically connected to the power source; a first heat dissipating channel formed in a first chamber of the lamp shell for dissipating heat generated from the power source while the LED lamp is working, and the first chamber is located between bottom of the LED lamp and an upper portion of the lamp neck; and a second heat dissipating channel formed in the heat sink and between the fins and the base of the heat sink for dissipating the heat generated from the LED chips and transferred to the heat sink; wherein a lateral outline of the LED lamp detours around the axis of the LED lamp 360 degrees to turn around to form a contour of the LED lamp, the outline includes an out

Abstract: An adjustable assembly for an adjustable downlight fixture assembly with a heatsink comprising a plurality of cooling fins that is connected to a mounting bracket where the heatsink is tiltably engaged with the mounting bracket. The heatsink is configured to receive a light source and may tilt within a confined space of the downlight fixture assembly up to 45 degrees from a vertical plane. The mounting bracket comprises a first side wall and a second side wall with a front wall connected between them where the first side wall and second side wall are connected to a rotation ring that is rotatably engaged with the frame of the downlight fixture.

Abstract: A manufacturing method for OLED display panel is disclosed, which first performs patterning on the encapsulation colloid of the encapsulant to divide encapsulation colloid into a plurality of target encapsulation areas, with each target encapsulation area corresponding to each OLED substrate unit, and a gap area outside of target encapsulation areas, performing disintegration treatment from the other side of encapsulation colloid on a portion of encapsulation colloid belonging to gap area so that the surface losing adhesiveness, then attaches encapsulation colloid to OLED substrate, and finally, obtains a plurality of OLED display panels by cutting. This method is simple to perform, reduces the size compatibility requirement of the laminator and avoids the use of extra manipulator and carrier fixture, which reduces the product cost incurred by fixture cleaning, transport, storage and other complex operations, and improves the product of the alignment accuracy, is good for automated production.

Abstract: Device for cooling a light source, laser diode, including a first heatsink equipped with a core provided with a bore extending along a lighting axis and forming a housing for receiving such a light source, and including first fins extending from the core outward, wherein the device includes a second heatsink that has second fins extending toward the lighting axis from a peripheral portion arranged around the lighting axis, at least one second fin of the second heatsink being at least partially interleaved between first fins of the first heat sink.

Abstract: The disclosure described herein is directed to an in-grade lighting fixture with improved heat dissipation that provides greater flexibility in servicing, replacing, or installing internal components within the fixture. The in-grade lighting fixture comprises features to assist in dissipating heat generated by light sources, such as LEDs, and/or other electronic components to optimize performance and allow for increased output power for the light sources. The disclosure uses a heat sink assembly that is in thermal communication with the in-grade lighting fixture in order to dissipate heat within the lighting fixture out to the ambient, which optimizes performance and allows for increased output power for the light source.

Abstract: A lighting system that can be mounted to a structure and provides light in multiple direction, such as both the upward and downward directions. The lighting system can include at least one casing, a plate, a housing, at least one first light source and at least one second light source. The plate can have at least one aperture sized to accept a casing and the housing can have at least one aperture aligned with the aperture of the plate when the plate is arranged on the housing. The first light source can be positioned below the plate and configured to emit light upward and illuminates the casing and the second light source can be arranged within the housing and configured to emit light in a downward direction.

Abstract: A retrofit lamp comprises a heat sink, a light source module with a circuit board, whose rear side lies two-dimensionally on the heat sink and at the front side of which at least one semiconductor light source is arranged, and a ring partially covering the front side of the light source module, wherein the ring presses the light source module onto the heat sink. A method serves for producing a retrofit lamp, wherein the rear side of the circuit board of the light source module is laid on the heat sink and the ring is put on the retrofit lamp from the front such that it presses the light source module onto the heat sink. The invention is particularly applicable to LED retrofit lamps for replacing conventional light bulbs or halogen lamps.

Abstract: The invention relates to a light emitting device, comprising at least one light source (101) and a closed container, the container comprising a first area (105) and a second area (107) that is arranged opposite to the first area (105), the closed container being filled with a heat conducting fluid (111) that is thermally coupled to an inside surface of the closed container, wherein the at least one light source (101) is arranged on an outside surface (115) of the first area of the closed container and thermally coupled to the inside surface (113) of the closed container.

Abstract: A flexible circuit board assembly for an LED lamp of the present disclosure comprises: a resin layer having a strip shape; a conductive signal line layer formed from a predetermined pattern provided on the upper part of the resin layer; and a radiation layer provided on the lower part of the resin layer, having a thickness relatively thicker than that of the conductive signal line layer, and radiating the heat generated from an LED mounted on the signal line layer, wherein the signal line layer and the radiation layer are made from one material from among copper, aluminum, copper alloy and an aluminum alloy.

Abstract: A circuit board includes a base plate, a first circuit layer, a first dielectric layer, and a light emitting element. The first circuit layer is disposed on the base plate. The first dielectric layer is disposed on the base plate and has plural openings. The first circuit layer is embedded in the first dielectric layer and exposes the openings. A Young's modulus of the first dielectric layer is greater than a Young's modulus of the base plate. The light emitting element is electrically connected to the first circuit layer through the openings.

Abstract: An assembly set for recessed ceiling and wall luminaires, comprises a mounting sleeve and a luminaire housing, which is adapted to be installed in the mounting sleeve, the mounting sleeve being mountable in a wall or ceiling opening. The mounting sleeve is provided with contact portions extending, on the side of the mounting sleeve facing away from the wall or ceiling opening, perpendicular to a wall of the mounting sleeve into the interior of the latter. The luminaire housing comprises at least two locking elements extending beyond the circumference of the luminaire housing, wherein the locking elements of the luminaire housing engage behind the contact portions of the mounting sleeve at the fixing position, and the locking elements are operatively connected to handles in the interior of the luminaire housing such that the locking elements can be transferred from the fixing position to a release position by moving the handles towards each other.

Abstract: A backlight unit, a display device including the backlight unit, and a method of manufacturing the display device. The backlight unit includes: a bottom chassis having one or more through holes; and a reflective sheet disposed on the bottom chassis and including a flat portion having a flat surface and an inclined portion connected to the flat portion to form an inclined surface. The inclined portion of the reflective sheet is at least partially inserted into each of the through holes of the bottom chassis.

Abstract: The LED lighting system is disclosed that includes an LED light fixture with slip tabs and/or snap or spring clips and an installation kit. The installation kit includes a set of hook clips at couple to the slip tabs, a junction box face-plate and a junction box unit with arm flanges that couple to the snap or spring clips. The installation kit allows the same LED light fixture be used in, or adapted for, a number of different installation configurations.

Abstract: A MEMS transducer for interacting with a volume flow of a fluid includes a substrate including a cavity, and an electromechanical transducer connected to the substrate in the cavity and including an element deformable along a lateral movement direction, wherein a deformation of the deformable element along the lateral movement direction and the volume flow of the fluid are causally related.

Abstract: A modular LED line light, the modular LED line light comprising: at least one line light module, the at least one line light module comprising: a U-shaped body comprising a base and two opposing side walls extending from the base, the base comprising an interior surface and an exterior surface; at least one LED array disposed on the interior surface of the U-shaped body; a rail for receiving the at least one line light module, the rail comprising a first surface and a second surface, wherein the first surface is configured to receive the exterior surface of the base of the U-shaped body of the at least one light module; and a cooling tube for receiving a cooling fluid for removing heat from the at least one line light module, the cooling tube being disposed between the exterior surface of the base of the U-shaped body and the first surface of the rail.

Abstract: A lighting device has a housing having a bottom part and an opening, the bottom part being formed with through holes, and a substrate having light sources mounted on one surface thereof, the substrate being placed outside of the bottom part of the housing such that light emitted from the light sources is passed through the respective through holes and radiated to the opening of the housing. The lighting device also has light guide parts, each of which has a cylindrical shape, inserted through the through holes of the bottom part of the housing for guiding the light emitted from the light sources, respectively, and diffusion lenses provided inside of the housing for diffusing the light guided by the light guide parts, respectively. Each of the light guide parts is hollow and configured to reflect the light by an inner surface thereof so as to guide reflected light to an associated diffusion lens.

Abstract: A light emitting device includes a heat sinking substrate, an electrically insulating layer partially formed on the heat sinking substrate, a circuit pattern layer formed on the electrically insulating layer, a light emitting diode (LED) chip, and an electrically insulating and thermally conductive interlayer. The LED chip is indirectly and non-electrically mounted to the heat sinking substrate. The electrically insulating and thermally conductive interlayer is interposed between the bottom portion of the LED chip and a portion of the heat sinking substrate exposed from the electrically insulating layer. A bottom portion of the LED chip bridges the electrically insulating and thermally conductive interlayer and the circuit pattern layer.

Abstract: The present invention comprises a stem structure and an LED lighting device, wherein the stem structure comprises a substrate, configured to be bent into a substrate device with a internal hollow structure, wherein a plurality of LED lamp beads and a plurality of pin needles are attached to a surface of the substrate device; a horn mouth comprising a first wide mouth portion and a first narrow mouth portion opposite to the first wide mouth portion, the first narrow mouth portion being provided with a plurality of upper guide wires for connecting to the plurality of pin needles; a plurality of lower guide wires, disposed inside the horn mouth, and configured to be connected to the plurality of upper guide wires through the first narrow mouth portion; and a glass tube disposed inside the horn mouth and attached to the plurality of lower guide wires; wherein the LED lighting device comprises a glass bulb, wherein a lamp head is disposed at an opening of the glass bulb; a driving circuit board fixedly connected t

Abstract: A light source includes a socket connection, a base connected to the socket connection, an LED unit, a mount and a heat conductive material. The socket connection is capable of connecting to a source of electricity. The mount is disposed into the base, and has a top surface on which the LED unit are disposed and a side surface devoid of the LED unit. The heat conductive material directly contacts the LED unit and the side surface of the mount. The heat conductive material enters into a space flanked by the mount and the base and is substantially translucent or transparent such that light emitted from the LED unit is able to pass through the heat conductive material.

Abstract: A module for manually converting a Harp System Lamp having single female Edison up-socket to a multi-function LED lighting system, the rapid conversion not requiring any modification of the wiring of the conventional lamp and not requiring the use of tools or any special skills, providing significantly more light for the same or less power, providing greater control over the amount and quality of light available, and preserving the aesthetics of the original lamp by retaining the original body, harp and shade. The module expands the area under the shade from which light may be emitted to include space radially outside the harp thus increasing the flexibility as to both the direction and the wavelengths of the light provided by the converted lamp. Methods of making the conversion are disclosed some of which do not require removal of the harp from the lamp being converted.

Abstract: A novelty display for use with a housing having a light source arranged so that light from the light source emanates through the top, the display including: a support member having: an anchoring end configured to affix to the rear face of the housing; a display end to be illuminated by the light source through the top; and a middle section extending between the anchoring end and the display end. The middle section extends from the anchoring end away from the rear face and back toward the display end above the top. A first portion of the middle section is obscured when viewing the display from the front, and a second portion of the middle section not obscured by the housing or the display end is configured to minimize its visibility in the dark, to provide the illusion of the display end levitating above the open top of the housing.

Abstract: An automotive LED lamp unit includes a plate-like mounting member, LED light sources arranged on two opposite sides of the plate-like mounting member, and a heat sink. The heat sink includes cooling fins and a tapered portion facing the LED light sources and being connected to one end of the plate-like mounting member.

Abstract: Disclosed are a wavelength conversion device and a light emitting device. The wavelength conversion device includes a wavelength conversion layer used for absorbing excitation light and generating converted light; a box having a first area used for transmitting the excitation light to the wavelength conversion layer and a second area used for transmitting the converted light, and further including an air outlet and an air inlet; a conduit, disposed outside the box and used for connecting the air inlet and the air outlet, so as to seal with the box the wavelength conversion layer in the box; a heat exchanger, used for decreasing a gas temperature in the conduit; and a gas circulation device, disposed in sealed space encircled by the box and the conduit, and used for driving exchange between gas in the box and gas in the conduit. The wavelength conversion device achieves both dust prevention and heat dissipation.

Abstract: Disclosed is a photo-curing 3D printer comprising a storage unit for accommodating liquid photosensitive resin and a light source disposed underneath the storage unit. Wavelength of light rays emitted by the light source is 420˜460 nm. A bottom of the storage unit is configured to display a pattern composed of a shielding area for shielding the light rays and a transmissive area for passing-through of the light rays. In addition, the disclosure provides a 3D printing method. Due to the limitations of photopolymerization initiators and the LCD display unit currently available, it was unexpected to complete photo-curing 3D printing with a light source with 420˜460 nm wavelength. It is unexpected that a photo-curing 3D printer as provided in the present application not only can ensure the service life of the LCD display unit but also that the curing efficiency is significantly higher than existing devices.

Abstract: A stage light fixture is provided with: a casing; a light source, arranged inside the casing and adapted to emit a light beam along an optical axis; a cooling assembly configured to cool the interior of the casing; a monitoring assembly configured to monitor at least one parameter indicative of the operative conditions of the light fixture; a control device configured to regulate the cooling assembly according to at least one indicative parameter monitored by the monitoring assembly.