Abstract: The construction of a light mounting platform or a skeletal frame of a light bar is easily expanded volumetrically in length, width and height to accommodate the mounting of a variety of different visual and audible warning devices, illumination devices as well as a variety of auxiliary devices used on emergency vehicles, utility vehicles, as well as other types of vehicles by switching between pluralities of vertical support columns having different vertical height dimensions and switching between pluralities of bottom plates and top plates having different peripheral configurations with different length and/or width dimensions.

Abstract: A lighted inspection tool includes a mirror having a reflective surface and a back surface, a plastic housing attached to the back surface of the mirror, a light mounted in the housing along a side edge of the housing, a power source housed in the housing and operatively connected to the light member, and a substantially rigid axially telescoping handle pivotably mounted relative to the mirror and the housing.

Abstract: A composite sheet includes a first sheet and a second sheet. The first sheet includes a first substrate and a first optical pattern layer disposed on an upper surface of the first substrate. The second sheet is disposed on the first sheet. The second sheeting includes a second substrate and a second optical pattern layer disposed on an upper surface of the second substrate. An extending direction of the first optical pattern layer intersects an extending direction of the second optical pattern layer such that an intersection angle of the extending direction of the first optical pattern layer and the extending direction of the second optical pattern layer is in a range of 40° to 70°.

Abstract: The present invention relates to a backlight module and manufacturing method thereof. The backlight module comprises: a soft substrate having an outer surface and a flexible substrate; a reflective layer disposed on the outer surface of the soft substrate; a white quantum dot light emitting layer disposed on the soft substrate; an electrode layer disposed on the white quantum dot light emitting layer and covering the soft substrate.

Abstract: A head-up display device is provided with: a combined light output unit which outputs combined light obtained by combining light emitted by a plurality of light sources which emit light having different wavelengths; and a heat dissipator which dissipates heat emitted by the light sources. The head-up display device displays a virtual image by means of the combined light. The plurality of light sources include a first light source which operates in a first operation guaranteed temperature band, and second light sources which operate in a second operation guaranteed temperature band having an upper limit higher than that of the first operation guaranteed temperature band. The first light source is provided in a location on the heat dissipator having a higher heat dissipation characteristic than the locations of the second light sources.

Abstract: Optical systems for linear lighting, particularly linear lighting that is installed in a channel, are disclosed, as are light fixtures that use these optical systems. The optical systems have multiple optical elements, usually a first lens adapted to be positioned close to a strip of linear lighting installed in a channel, and a second lens adapted to be positioned farther from the strip of linear lighting. In some cases, the first optical element may be a diffuser. The two optical elements are optically aligned with one another such that light from the first optical element reaches the second optical element. The multiple optical elements may be adapted to physically support one another, and to engage with structure provided by the channel for securing a cover. Some optical systems may be adapted to compensate for variations in the color or intensity of the emitted light.

Abstract: A light-emitting diode (LED) display module including a back panel substantially formed of a material having a thermal expansion that is less than plastic used in injection molding, a housing that frames the back panel comprised of one or more plastic molded parts, and a front face having a louver is disclosed.

Abstract: A display device includes a light guide plate 2 having at least one incoming surface and a plurality of light sources (3-1 to 3-4) arranged to face any of the incoming surfaces. The light guide plate 2 has a plurality of prisms 11 that is arrayed along each pattern in a plurality of patterns (21 to 24) displayed on one surface 2b of the light guide plate and reflects light emitted from a light source corresponding to the pattern and entering the light guide plate through the incoming surface toward a direction within a prescribed range of angles with reference to a direction normal to the other surface 2c of the light guide plate. Each prism 11 is formed as a triangular pyramid groove in one surface of the light guide plate 2, and one of inclined surfaces of the triangular pyramid groove is formed as a reflective surface 11a that reflects light emitted from a light source corresponding to a pattern along which the prism is arrayed and entering the light guide plate.

Abstract: Systems and methods to provide multiple channels of light to form a blended white light output, the systems and methods utilizing recipient luminophoric mediums to alter light provided by light emitting diodes. The predetermined blends of luminescent materials within the luminophoric mediums provide predetermined spectral power distributions in the white light output.

Abstract: A display screen operable on at least a partial area A in two operating modes, free-viewing mode B1, and restricted-viewing modeB2, with the residual display area of the screen outside the area A maintaining a free viewing mode; comprising a first backlight arranged below the residual display area; a second backlight arranged below the area A; a transmissive image generator in front of the backlights; a plate-shaped transparent light guide arranged between the image generator and the backlights that outcouples, through one of its large surfaces, light coupled in through one of its edges; light sources arranged laterally an edge of the light guide, wherein the light guide is transparent to at least 70% of the light emitted by the backlights, and wherein in the B1 mode, the light sources are switched on, and in the B2 mode, the backlights are on and the light sources are off.

Abstract: An item of clothing has a strip 502 of a reflective tape surrounded by florescent material. Embedded light-emitting devices 113 are connected to a loom of power and data cables and are supported on a flexible printed circuit board 101. Respective windows 1213 are provided for each light-emitting device, in which a hole cut through the reflective tape is covered by a clear plastics material having a first flap 1203 and a second flap 1204. The first flap is folded around the flexible printed circuit board and is secured by the second flap being further folded around the first flap. The clear plastics material is secured to the clothing fabric by an adhesive film 701 through which the holes have also been cut.

Abstract: The present invention discloses a focus-adjustable lamp, provided with an illuminating mechanism on the top end thereof, wherein the illuminating mechanism comprises a light-emitting element, a shield body shielding the outer side of the light-emitting element, a heat dissipating member closely matched with the light-emitting element, and a cover body located on the top end of the illuminating mechanism, the illuminating mechanism is further provided with a light-converging cylinder rotationally sleeving the outer side of the shield body, and the light-converging cylinder is capable of rotating back and forth along a circumferential direction of the shield body to adjust the size of a light spot projected by the light-emitting element on the ground.

Abstract: The invention describes an LED lighting unit comprising a container with a number of partially reflective side walls; a light exit opening defined by the side walls; and a number of light-emitting diodes arranged in the container to emit light of a first color through the light exit opening during an on-state of the lighting unit; characterized in that the material properties of the partially reflective container side walls are chosen to impart a second non-white color to the container side walls, and to absorb light in at least one specific region of the visible spectrum such that light of the non-white second color exits the lighting unit through the light exit opening during an off-state of the lighting unit. The invention further describes a method of manufacturing such an LED lighting unit.

Abstract: The LED light bulb comprises an outer case, a heatsink, an LED light module, a power driver and a metallic bulb base. The LED light module includes a circuit board and an LED light source. The outer case includes a plurality of vent apertures. An interior surface of the heatsink defines a heatsinking pathway. The heatsinking pathway and the vent apertures are disposed and configured to provide a convection airflow pathway.

Abstract: The present invention relates to a backlight unit (10) for an outside mirror of an automobile, comprising: a case (20) provided with an inner space for accommodating a stacked assembly (95) of components, and having a side opening (22) through which the stacked assembly (95) can be inserted; and a light source unit (30) mounted into the inner space of the case (20) and capable of emitting light when power is supplied, wherein the stacked assembly (95) comprises: a light guide plate (40) for diffusing, across the entire area thereof, the light emitted from the light source unit; and a reflection plate (50) stacked on the rear surface of the light guide plate and reflecting, to the front surface of the light guide plate, the light emitted from the rear surface of the light guide plate.

Abstract: A multi-angle light source device includes a holder, a housing movably connected with the holder and rotated relative to the holder, a power supply received in the housing and electrically connected to the holder, and a body fixedly connected to the housing. The body includes a fixing portion fixedly connected to the housing, a connecting portion rotated relative to the fixing portion and at least one illuminant formed on a distal portion of the connecting portion to rotate relative to the connecting portion. The present structure can flexibly adjust its luminous angle so that it can be conveniently used in different lamp-housings, suppress light pollution, reduce waste of electric energy, and further improve its heat dissipation performance of the product by the power supply separating from its heat source of each illuminant.

Abstract: A converter arrangement for light sources with high luminance is provided that includes an axially pivotable carrying wheel and a converter fixed on one side of the carrying wheel. The converter includes fluorescent materials that convert impinging light into light having a different wave length and emits the light having the different wavelength. The ratio of the total area of the converter arrangement to the area enclosed by the outer boundary curve of the converter is at least 3, preferably at least 3.5, particularly preferably at least 4.5.

Abstract: An LED light fixture includes a glass bulb. In the interior of the glass bulb is a driver module and a plurality of lighting elements. The glass bulb completely surrounds the lighting elements radially. The lighting elements are arranged radially around the driver module. The lighting elements may be LED filaments or individual light-emitting diode chips.

Abstract: An electric fireplace includes a shell, where a heating component including a wind turbine and a heating element is disposed in the shell, and further includes a translucent imaging screen, where the imaging screen is vertically disposed at an upper end of the shell, a flame plate that can cast a flame shape is disposed on an upper end surface of the shell, and a light source and a light interference combination that includes a light interference barrel and a motor are disposed below the flame plate. Disposing the imaging screen externally greatly reduces the size of the shell. The present utility model is small in size, convenient in transportation, and unique in model, and can be adapted to a modern decoration style.

Abstract: An edge-lit downlight apparatus includes a surface housing having a base and a side wall, a laminate, and a light guide module. The downlight apparatus includes a circuit board having an inner and an outer surface wall. The downlight apparatus includes first brackets, and each includes a body and a contacting part. The body of the first bracket abuts against the side wall of the surface housing, and the contacting part of the first bracket extends outward from the body and abuts against the laminate. The downlight apparatus includes fasteners passing through the contacting parts of the first brackets, the laminate, and being removably connected to the surface housing. LED chips are located on the inner surface wall of the circuit board.