Abstract: A method of manufacturing a light emitting device includes: forming light-shielding films respectively on an upper surface of a light-transmissive plate and a lower surface of the light-transmissive plate opposite to the upper surface; dividing the light-transmissive plate together with the light-shielding films from the upper surface to the lower surface or from the lower surface to the upper surface, to form a plurality of plate-shaped optical components; and fixing a cut surface of each of the optical components to a corresponding one of a plurality of light emitting elements, and arranging the light emitting elements on a substrate in a row or in a matrix so that the cut surfaces of the optical components and the light-shielding films are alternately arranged along a row direction in a lateral side view as seen in a direction parallel to the substrate and perpendicular to the row direction.

Abstract: A backlight module includes that of: a substrate; a plurality of light-emitting elements, disposed on the substrate along a first direction and a second direction; and at least one optical film, comprising: a first surface, having a plurality of microstructures, the microstructures being parallel to each other, every microstructure having a first ridge, and an angle being between the first ridge and the first direction; and a second surface, corresponding to the first surface and toward the substrate, the plurality of light-emitting elements being between the substrate and the second surface; wherein a distance X is between the light-emitting element and the other light-emitting element that is adjacent to the light-emitting element along the first direction, and a distance Y is between the light-emitting element and the other light-emitting element that is adjacent to the light-emitting element along the second direction, hence a range of the angle is: ( tan - 1 ? Y X ) - 10 ? ° ? ? ? (

Abstract: A luminaire that includes a housing having a downlight geometry and containing a light engine including light emitting diodes (LEDs), in which the light engine is positioned to emit light through a light emission end of the housing. The housing contains driver electronics for controlling power received by the luminaire for powering the light engine. An access opening on a back surface of the housing exposes the driver electronics. A junction box supporting at least a portion of a wireless control module. The junction box having an electrical pathway opening is engaged to the back surface of the housing. The wireless control module is contained in the knockout of the junction box. Electrical communication between the wireless control module and the driver circuit is across a physical electrically conductive pathway that extends through the electrical pathway opening of the junction box.

Abstract: A hidden light apparatus for a vehicle is configured so that light is irradiated from a grill of the vehicle, and when the light is not irradiated from the grill, a shape of an irradiation area and a pattern shape of the grill are identical with each other to maintain a design of the grill. The hidden light apparatus includes the grill having an external surface in a pattern including a plurality of grids; a grid panel coupled to one of the grids in a same shape to form a surface of the one grid; a light source provided inside the grid panel and irradiating light; and a reflector provided inside the grid panel, wherein when the light source is turned off, the grid panel constitutes the pattern of the grill, and when the light source is turned on, the grid panel functions to illuminate the vehicle.

Abstract: Embodiments of the present disclosure include a backlight unit and a display device using the backlight unit comprising a plurality of light emitting elements disposed on a substrate and each having a flip chip structure. A reflector is disposed between the plurality of light emitting elements and includes a plurality of grooves each having a predetermined size on an upper surface of the reflector. A transparent sheet is disposed on the reflector and the plurality of light emitting elements and includes a plurality of optical path changing patterns disposed at positions overlapping the plurality of light emitting elements on an opposite side of a surface of the transparent sheet adjacent to the plurality of light emitting elements and each having a central region thicker than an outer region.

Abstract: A flexible lighting tube and universal architectural mounting system for lighting upon municipal utility poles. The mounting system is a bracket having the form of an inverted track to receive a lighting tube. The bracket may have a base and plurality of flanges used to either hold the lighting tube or attach to a pole. The base and flanges form a U-like shape and are made from a flexible material allowing the bracket to be shaped to conform to a pole to which it attaches. A foam layer may be inserted between the bracket and tube to inhibit unintended disconnection.

Abstract: A lighting device, wherein the effectivity is increased and allows maintaining a simple manufacturing process, comprises: a housing having a longitudinal direction, the housing comprising: reflective side walls extending in the longitudinal direction, a first cavity disposed between the reflective side walls, and an opening of the first cavity for the passage of light from the first cavity; LEDs, each having a light-emitting face and side faces, wherein the LEDs are arranged on interposers for providing electrical connection of the LEDs, wherein the LEDs are arranged in the first cavity such that the LEDs are at least partially arranged along the longitudinal direction of the housing; and a reflection element that covers a side of the interposers facing the opening, wherein the reflection element surrounds the LEDs on the side faces, and is configured as strip comprising through holes in which the LEDs are arranged.

Abstract: Disclosed herein is an illumination unit and the method of operation thereof, characterized in that it comprises: a photovoltaic module (A), a ceiling light fixture (B), a supporting structure (A1), a shaped line (B1), two side wings (B2), a certain number of spaces (C), optical elements/means (C1), a control unit (D), an electric storage unit (E), a separate printed circuit (F), a string (F1), a cooling fan (G).

Abstract: A lighting apparatus includes a driver, a bottom cover, a light source module, a lens module, a light passing cover and a base plate. The bottom cover has a first central opening a driver container for storing the driver. The light source module has multiple LED modules and a second central opening. The lens module has a third central opening and multiple diffusion lenses respectively placed above the multiple LED modules. The lens module is fixed to the bottom cover to make the light source module, the driver, the lens module and the bottom cover as a portable module. The first central opening, the second central opening and the third central opening together form a main central opening. The base plate may be fixed to an installation platform.

Abstract: An emergency lighting unit includes a housing. The housing includes a base having a first portion and a second portion. A lamp assembly is rotatably connected to the housing and positioned in the lower portion. A cover is provided over the lamp assembly.

Abstract: A light source device includes a housing having a great length along a predetermined direction, a plurality of light emitting elements which are placed in the housing and are arranged along the predetermined direction, and one or more heat dissipation members which are placed in the housing and are thermally connected with the light emitting elements. A first intake port through which air is sucked into the housing is provided in one end in the housing. An exhaust port through which air is discharged to an outside is provided in the other end in the housing. A space where the other side in the predetermined direction faces the heat dissipation member is formed in the housing. A second intake port through which air is sucked into the space from the outside is provided in a side surface between the first intake port and the exhaust port in the housing.

Abstract: Channels and channel covers for linear lighting are disclosed. The channels have an upper compartment for linear lighting and a lower compartment that may be used as a raceway, to engage parts, and for rear entry of wires. Endcaps for the channels may engage the lower compartment. Cover-lenses for linear lighting channels are also disclosed. The cover-lenses may include diffusing material and implement a thickness gradient in order to maximize the amount of diffusing material where the emitted light intensity is expected to be greatest. Diverging Fresnel features may be superimposed on the thickness gradient in order to counteract any converging effect of the thickness gradient and cause emitted light to spread more evenly.

Abstract: A line source lighting system including the following: lamp holder; printed circuit board; a plurality of point light sources; at least one lens, located in a light-emitting direction of the point light source for adjusting the light distribution of the point light source on a plane perpendicular to the length direction of the lamp holder; strip-shaped convex lens array, arranged along the length direction of the lamp holder for converting each point light source into a plurality of continuous sub-point light sources, the sub-point light sources converted by the adjacent point source is connected or coincident. the invention adopts a strip-shaped convex lens array for diffusing light from the point source only in the length direction of the lamp holder to form a line source, which can well prevent the light from diffusing in multiple directions, so that the line source get purified.

Abstract: A search and landing light for a vehicle includes a light emitting element having an output primarily along a first axis and a canopy surrounding the light emitting element. The search and landing light includes a housing to enclose one or more electrical components associated with the search and landing light. The housing and the canopy extend along a longitudinal axis that is substantially perpendicular to the first axis. The search and landing light includes an actuator coupled between the canopy and disposed in the housing. The actuator is disposed along the longitudinal axis and is configured to rotate the canopy relative to the housing.

Abstract: In some embodiments, a lighting apparatus includes a back cover, a first light source, a second light source, a back cover, a first separator and a driver. The first light source is mounted on the back cover. For example, the first light source includes multiple LED modules mounted on a circular ring structure. The circular ring structure is fixed to the back cover. Each LED module may have a LED chip covered by a lens module for guiding an output light of the LED chip to desired directions, e.g. to form a condensed light beam or to diffuse evenly on a projected surface.

Abstract: Provided is an alternating current direct lighting device capable of a dimming control, the lighting device including: a circuit board having a light emitting diode array; a first connector disposed on the circuit board; a second connector disposed on the circuit board so as to be spaced apart from the first connector; and a driving unit for controlling light emission of the light emitting diode array on the basis of a driving signal input through the first connector and a dimming signal input through the second connector.

Abstract: A structure of semiconductor device is provided. The structure includes a first bonding pattern, formed on a first substrate. A first grating pattern is disposed on the first substrate, having a plurality of first bars extending along a first direction. A second bonding pattern is formed on a second substrate. A second grating pattern, disposed on the second substrate, having a plurality of second bars extending along the first direction. The first bonding pattern is bonded to the second bonding pattern. One of the first grating pattern and the second grating pattern is stacked over and overlapping at the first direction with another one of the first grating pattern and the second grating pattern. A first gap between adjacent two of the first bars is different from a second gap between adjacent two of the second bars.

Abstract: An apparatus comprises an array of light emitting diodes (LEDs), each LED in the array having an asymmetric optical characteristic. The asymmetric optical characteristic of a first subset of LEDs in the array is oriented at an angle of 90°, 180°, or 270° with respect to the asymmetrical optical characteristic of a second subset of LEDs in the array. The apparatus may be the array of LEDs or an illumination system comprising a light source comprising the array of LEDs. Methods of manufacturing the apparatus are also provided.

Abstract: An LED cove light fixture having a wall piece configured to mount to a rear surface of a cove. A light fixture component is removably attachable at an angle to the wall piece and carries one or more LEDs positioned to project light from the cove out into an adjacent space of a room.

Abstract: An automotive warning strobe assembly for alerting an observer that a vehicle is reversing includes a housing that is coupled to a rear deck of a vehicle. In this way the housing is visible to an observer behind the vehicle. A plurality of strobe lights is each coupled to the housing for emitting light outwardly from the housing. Each of the strobe lights is electrically coupled to a reverse gear circuit of the vehicle. Thus, each of the strobe lights is turned on when the reverse gear circuit is actuated. In this way the observer behind the vehicle is alerted that the vehicle is reversing.

Abstract: Devices and techniques for an adjustable watchdog in a memory device are disclosed herein. A memory operation command is received at a first time with a memory device from a host. A reset signal is received, with the memory device from the host, at a second time following the first time. A time interval between the first time and the second time is measured. A delay interval for a timer in the memory device to reset the memory device independently of receiving a further reset signal from the host is established based on the measured time interval.

Abstract: A light emitting module according to an embodiment includes a first insulation film and a second insulation film with a light transmissivity, a plurality of first double-sided light emitting elements disposed between the first insulation film and the second insulation film, and each including a pair of electrodes on one surface, a plurality of second double-sided light emitting elements disposed between the first insulation film and the second insulation film adjacent to the respective first double-sided light emitting elements, each including a pair of electrodes on one surface, and emitting different light from the first double-sided light emitting element.

Abstract: A direct lighting system and method is provided that includes a plurality of light-emitting diodes (LEDs) secured within a light fixture. The lighting system further includes a diffusive transmissive element adapted to transmit light from the LEDs therethrough and provide diffused light to an area requiring illumination.

Abstract: A luminaire that includes a housing having a downlight geometry and containing a light engine including light emitting diodes (LEDs), in which the light engine is positioned to emit light through a light emission end of the housing. The housing contains driver electronics for controlling power received by the luminaire for powering the light engine. An access opening on a back surface of the housing exposes the driver electronics. A junction box supporting at least a portion of a wireless control module. The junction box having an electrical pathway opening is engaged to the back surface of the housing. The wireless control module is contained in the knockout of the junction box. Electrical communication between the wireless control module and the driver circuit is across a physical electrically conductive pathway that extends through the electrical pathway opening of the junction box.

Abstract: An optical apparatus with a distance-to-height ratio, DHR, greater than 2, operable to emit light with a homogenized radiance distribution, the apparatus comprising a plurality of light sources, arranged in an array, a diffusor device at an exit surface of the apparatus, a transparent substrate, arranged between the plurality of light sources and the exit surface, the substrate comprising a plurality of freeform, FF, optical structures wherein the freeform structures are arranged on a bottom side of the transparent substrate facing the light sources.

Abstract: A light bar includes an arrangement of several light elements reciprocally spaced behind one another in the longitudinal bar direction where each light element produces a light beam, a reflection surface formed on a light-impermeable reflector body and producing a diffuse scattering effect where a first portion of the light beam of each light element is directed at the reflection surface, a light-permeable window element at which light produced by the light elements exits the light bar. A second portion of the light beam that is different from the first portion is directed past the reflection surface onto the light exit window. The light radiated by the light bar is composed of a direct light proportion and a scattered light proportion, the relative ratio of which in a suitable configuration of the reflector body and the window element can be different in different radiation directions of the light bar.

Abstract: A lighting assembly includes a lighting tower. The lighting tower includes a plurality of layers of lighting elements, where each layer of lighting elements is configured to provide a different angle of emitted light onto a parabolic reflector with respect to light emitted from another layer of lighting elements onto the parabolic reflector when activated.

Abstract: A light source device includes a housing having a great length along a predetermined direction, a plurality of light emitting elements which are placed in the housing and are arranged along the predetermined direction, and one or more heat dissipation members which are placed in the housing and are thermally connected with the light emitting elements. A first intake port through which air is sucked into the housing is provided in one end in the housing. An exhaust port through which air is discharged to an outside is provided in the other end in the housing. A space where the other side in the predetermined direction faces the heat dissipation member is formed in the housing. A second intake port through which air is sucked into the space from the outside is provided in a side surface between the first intake port and the exhaust port in the housing.

Abstract: Examples of the present disclosure disclose a light source apparatus and a method of manufacturing the light source apparatus. The light source apparatus includes a luminescent component having a substrate and at least two luminescent units disposed on the substrate, where the at least two luminescent units is arranged along a circular ring; and a light distribution component including an optical element provided with an annular lens or a transparent mask and a mounting part encircling the annular lens or the transparent mask and being connected with the optical element and the substrate, where the lens or the transparent mask receive emergent light of the at least two luminescent units and emitting the light after light distribution, and the mounting part is bonded to the substrate and is configured to fix the optical element above the at least two luminescent units.

Abstract: A lighting system that includes an extrusion having at least one T-shaped slot therein. The T-shaped slot has an opening along a length of the extrusion, with a lighting encasing unit inserted into the T-shaped slot. The lighting encasing unit includes a shaped light conducting encasement having an internal channel along at least a substantial portion of a length of the shaped light conducting encasement and a light emitting tape assembly inserted into the internal channel.

Abstract: A multi-conductor bus with radially arranged conductor wires on which addressable bead devices that may incorporate light-emitting diodes (LEDs) or other surface mount devices (SMDs) can be easily mounted. The radial bus is designed to provide an improved range of flexibility and motion while allowing for easy addition of bead devices along its length that utilize self-addressing bus protocols such as cascading device protocols. The design of the flexible, interruptible radial bus facilitates the use of pass-through and interrupted paths along the bus that simplifies the installation of addressable devices along the bus such as the bus-mounted bead devices disclosed herein.

Abstract: Disclosed are a light-emitting device package, a manufacturing method therefor, and a vehicle lamp and a backlight unit including the same. The light-emitting device package includes: a light-emitting chip having electrode pads positioned at a lower part thereof; a wavelength conversion unit for covering at least an upper surface and lateral surfaces of the light-emitting chip; and a reflective part which covers the lateral surfaces of the light-emitting chip. Accordingly, the light-emitting device package can be miniaturized and a separate substrate for forming a lens is not required.

Abstract: The present disclosure provides a configuration and technique of fabricating remote phosphor optics (such as lenses) for downconverting LEDs, replacing the prior art solid hemispherical lenses with a novel thin-shell hemispherical lens that can be used with a wide range of encapsulating materials, including low index materials such as air and methyl silicones. The present disclosure further provides a configuration and technique whereby the remote phosphor lenses can be used with an LED array.

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: A traffic control lighted strip assembly is described herein. The traffic control lighted strip assembly includes a flexible transparent housing and an LED light assembly positioned within the flexible transparent housing. The flexible transparent housing includes a housing body that defines a housing cavity that extends between a first open end and a second open end. The LED light assembly is positioned within the housing cavity and extends between the first open end and the second open end. The LED light assembly includes a plurality of LED light pods spaced along a longitudinal axis. Each LED light pod includes a predefined number of LED lights. An electrical quick connect coupler is coupled to an end of the LED light assembly for connecting the LED light assembly to a power source.

Abstract: A luminaire that includes a housing having a downlight geometry and containing a light engine including light emitting diodes (LEDs), in which the light engine is positioned to emit light through a light emission end of the housing. The housing contains driver electronics for controlling power received by the luminaire for powering the light engine. An access opening on a back surface of the housing exposes the driver electronics. A junction box supporting at least a portion of a wireless control module. The junction box having an electrical pathway opening is engaged to the back surface of the housing. The wireless control module is contained in the knockout of the junction box. Electrical communication between the wireless control module and the driver circuit is across a physical electrically conductive pathway that extends through the electrical pathway opening of the junction box.

Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.

Abstract: A lighting device for vehicles with a plurality of components to be connected, having a light source, a light source carrier, an optical element and a heat sink. The heat sink is connected by a fastener to the light source carrier. The fastener is a shrink-fitting agent.

Abstract: A lighting assembly includes a lighting tower. The lighting tower includes a plurality of layers of lighting elements, where each layer of lighting elements is configured to provide a different angle of emitted light onto a parabolic reflector with respect to light emitted from another layer of lighting elements onto the parabolic reflector when activated.

Abstract: A light emitting module according to an embodiment includes a first insulation film and a second insulation film with a light transmissivity, a plurality of first double-sided light emitting elements disposed between the first insulation film and the second insulation film, and each including a pair of electrodes on one surface, a plurality of second double-sided light emitting elements disposed between the first insulation film and the second insulation film adjacent to the respective first double-sided light emitting elements, each including a pair of electrodes on one surface, and emitting different light from the first double-sided light emitting element.

Abstract: An assimilation lamp device (1) for stimulating plant and crop growth comprises a central lamp unit (10), comprising a body (14) and a plurality of LEDs (12) mounted to an under surface of the body (14), wherein the body (14) is made of a thermally well conducting material, for instance aluminum, and acts as a heat sink for the heat generated by the LEDs. The body (14) is provided with cooling fins or lamellae (41). The assimilation lamp device further comprises air stream generating means (42) such as a fan for generating a downward air stream (43) in heat exchanging contact with the cooling fins or lamellae, so that heat is removed from the respective cooling block and used to increase the temperature of said downward air stream (43).

Abstract: An exemplary lighting assembly includes a first light emitting device on an interior side of a window of a vehicle, and a second light emitting device on the interior side, the first and the second light emitting devices configured to selectively illuminate respective areas through a perimeter region of the window in response to a change in an orientation of the vehicle. Another exemplary lighting assembly includes, among other things, a window of a vehicle, the window having a perimeter region, a coating covering at least a portion of the perimeter region, and a light emitting device on an interior side of the window. The coating provides an aperture to permit light from the light emitting device to move through the perimeter region.

Abstract: An aircraft head light comprises: a plurality of lighting arrangements, each lighting arrangement comprising a light source and a generally parabolic reflector surrounding the respective light source. The plurality of lighting arrangements are arranged in a side-by-side relationship, with the generally parabolic reflectors of adjacent lighting arrangements having respective reflector contact sections. For at least one adjacent pair of the plurality of lighting arrangements, said adjacent pair comprising a first lighting arrangement and a second lighting arrangement the reflector contact section of the generally parabolic reflector of the first lighting arrangement is parabolic and the reflector contact section of the generally parabolic reflector of the second lighting arrangement is non-parabolic.

Abstract: According to one embodiment, an illumination device includes a light source module, and a reflector opposed to the light source module. The reflector includes a plurality of incidence openings on which light from the light source module is made incident, a plurality of emission openings opposed to the incidence openings, a plurality of reflective surfaces extending from the incidence openings to the emission openings, respectively, and reflective films formed on the reflective surfaces. The reflector includes a plurality of blocks, and the blocks are bonded to each other to form the reflector.

Abstract: A vehicle interior trim assembly and an illuminable emblem assembly is provided. The assembly includes a vehicle interior trim part such as an air bag cover which has at least one opening which defines an emblem pattern. An illumination module including at least one light source is configured to generate visible light rays when energized. A lens including at least one layer is molded in a molding process to have a 3D emblem shape fitted through and matching the at least one opening. The lens has at least one surface-defining portion which is sized and shaped to have the emblem pattern at the front surface of the part. The lens gathers and redirects light rays from the illumination module to generate light in the emblem pattern of substantially uniform intensity through the at least one surface-defining portion and into a passenger compartment of the vehicle.

Abstract: A troffer light fixture has a housing with a LED assembly positioned in the housing. The LED assembly includes at least one LED array comprising LEDs of at least two different colors. The LED assembly includes a first LED array having a first LED on a first string and a second LED on a second string and a second LED array having a third LED on a third string and fourth LED on a fourth string. A wide lens covers the LED array. A reflector assembly has a first reflective surface and a second reflective surface reflecting light from the at least one LED array laterally across the width of the wide lens. Alternatively, the LED array may be approximately one-half the width of the wide lens and the reflector may be eliminated.

Abstract: A light beam adjusting device includes a first optical deflection unit having a first light incidence face and a first light exit face, the first optical deflection unit being arranged to deflect light which is incident from the first light incidence face and which exits from the first light exit face at a first deflection angle. A second optical deflection unit has a second light incidence face and a second light exit face, the second light incidence face being arranged to face the first light exit face and including an array of prisms arranged to deflect the light exiting from the first light exit face at a second deflection angle. The light beam adjusting device obtains the desired deflection direction of the incident light beam by a compact structure providing two-stages of optical deflection units to achieve the deflection of an incident light beam.

Abstract: A light appliance, particularly a signal lamp for engine vehicles, is provided that comprises a primary optical unit (4) with at least one light source (8), a secondary optical unit (5) comprising at least one areal electro-luminescent diode (12) for emitting light with its light emitting surface (121), and at least one reflective surface (61) of a reflective device (6) for reflecting light from the primary optical unit (4) falling onto the reflective surface (61). At least one of the electro-luminescent diodes (12) of the secondary optical unit (5) is arranged, with respect to some of the reflective surfaces (61), in such a way that at least a part of the light beams from the primary optical unit (4), directed to the reflective surface (61), passes before falling onto the reflective surface (61) and/or after reflection from reflective surface (61) through light emitting surface (121) of diode (12).

Abstract: A reflection member includes at least one polygonal cell having a polygonally-shaped center bottom part in which a light source is disposed, vertex-part inclined surfaces provided so as to correspond to the respective vertexes of the polygonal shape, and side-part inclined surfaces provided between the corresponding vertex-part inclined surfaces, such that an inclination angle ? of at least a part of the vertex-part inclined surfaces to the center bottom part is larger than an inclination angle ? of the side-part inclined surfaces to the center bottom part.

Abstract: A display device includes an organic fluorescent body unit and a display panel provided on the organic fluorescent body unit. The organic fluorescent body unit may include a light source unit including a light source substrate and a plurality of light sources on the light source substrate, a red organic fluorescent body layer covering the light sources and including a red organic fluorescent body, and a green organic fluorescent body layer provided on the red organic fluorescent body layer and including a green organic fluorescent body. The red organic fluorescent body layer may include a plurality of red organic fluorescent body patterns, each of which respectively covers one of the light sources.