Abstract: A light-transmissive substrate includes an arrangement of penetrations extending from one surface of the substrate toward another surface of the substrate. The penetrations are configured to attenuate or inhibit transmission of light through the substrate from one side of the arrangement of penetrations to the other side of the arrangement of penetrations.

Abstract: An LED light assembly includes a plurality of LED printed circuit boards (PCB), with each LED PCB having at least one LED bulb and electrical connector pads configured at each opposite end of the boards. A two-component surface mount electrical connector is configured to connect one end of a first LED PCB to an end of a second said LED PCB such that the first and second LED PCBs are electrically connected end-to-end. The connected LED PCBs may be configured in a light tube that includes connector end caps for mounting the light tube in a light fixture.

Abstract: A portable illumination system comprising distal and proximal members rotatably coupled to one another. The rotatable coupling between the members includes resistive rotational feedback across a plurality of independent rotational regions between the members. A rotational switching mechanism is configured to switch between an activated state and a deactivated state. The activated state includes an electrical coupling between an electrical power source and an electro-optical output device across a plurality of independent rotational regions between the members. The plurality of independent rotational regions of the activated state corresponds to a linear or lengthwise alignment between the distal activated indicator and the activated proximal indicator. The plurality of independent rotational regions of the resistive rotational feedback may be coordinated with the plurality of independent rotational regions of the activated state.

Abstract: A light pointer apparatus and method of use comprising: a substantially flat bottom surface comprising a sufficiently large surface area such that when said substantially flat bottom surface is rested upon a substantially flat horizontal surface, said apparatus remains substantially immobile and stable relative to the substantially flat horizontal surface solely by virtue of the plane of contact formed between said substantially flat bottom surface and the substantially flat horizontal surface; a light source for emitting a low-divergence light beam comprising wavelengths in the visible light spectrum with a beam divergence of at most three degrees, fixed in orientation relative to said substantially flat bottom surface so as to emit said low-divergence light beam at a predetermined emission angle of at least 45 degrees relative to said substantially flat bottom surface; and surfaces other than said substantially flat bottom surface capable of being held and moved by a human hand.

Abstract: An LED lamp has one or more red LEDs, one or more green LEDs, and one or more white LEDs. The plurality of LEDs produces light that is mixed to produce a combined light output that has color approximating that of a blackbody radiator and having a correlated color temperature of 3,800 to 5,400 Kelvin.

Abstract: A light-emitting module includes a module substrate, semiconductor light-emitting elements and a connection substrate. On one face of the module substrate, a conductive layer is formed. The semiconductor light-emitting elements and the connection substrate are mounted on the conductive layer of the module substrate. Electric wires, which extend from a lighting circuit, are connected to the connection substrate. Power is supplied to the semiconductor light-emitting elements through the connection substrate and the conductive layer of the module substrate.

Abstract: An LED unit includes a printed circuit board, an LED mounted on the printed circuit board, and a lens covering the LED and fixed on the printed circuit board. The lens includes a pedestal and an optical element connected to the pedestal. The lens has a light-incident face formed in an interior thereof for receiving light emitted from the LED into the lens, and a light-emergent face formed on an outside thereof for refracting the light out of the lens. The optical element has two opposite sides longer than the other two opposite sides thereof so that the light pattern modulated by the optical element has two opposite ends wider than a middle thereof.

Abstract: Provided is a backlight unit for a liquid crystal display device. The backlight unit includes: a chassis; a printed circuit board connected to a side of the chassis, the printed circuit board including a plurality of light emitting diodes, and a pair of conductive pads through which power is supplied to the light emitting diodes, wherein the pair of conductive pads are disposed on an end of the printed circuit board; and a power socket into which the pair of the conductive pads are inserted.

Abstract: The light-emitting apparatus (1) of the present invention includes: a storage case (12) that includes a base board (10) having a concave portion (10a) and a lid portion (11) covering the concave portion (10a); and a plurality of light-emitting elements (13) that are disposed on an inner surface (12a) of the storage case (12), an opening (11a) is formed in the lid portion (11), at least a part of the inner surface (12a) is a light-reflecting surface that wave-guides light emitted by the light-emitting elements (13) as light sources to a position directly underneath the opening (11), and a reflecting portion (15) that reflects the light emitted by the light-emitting elements (13) as the light sources toward the opening (11a) is formed directly underneath the opening (11a). Thereby, the light-emitting apparatus having a point light source with high brightness can be provided.

Abstract: The backlight unit may include a plurality of optical assemblies, which each include a light emitting module having a substrate, a plurality of light emitting devices on a top surface of the substrate, and a connector provided on a bottom surface of the substrate and electrically connected to a power supply unit. The optical assembly may also include a light guide plate including a first part to receive the light and a second part to output the light through a top surface. The optical assembly may also include a side cover that may fix the light emitting module and a portion of the first part. The side cover may have a plurality of connector holes.

Abstract: There is provided an illumination device equipped with a light guide plate having a light emission face and a light incident face, a printed substrate having a first plane and a second plane opposite to the first plane, a plurality of point like light sources for supplying light to the light guide plate, a housing disposed at a opposite side of the light emission face of the light guide plate, and a light source holding member for holding the printed substrate. The light source holding member has a bend portion, and a edge of the bend portion is inserted in between the light guide plate and the housing.

Abstract: A backlight module includes a light guide plate, a first light module, and a second light module. The light guide plate includes first troughs and second troughs on opposite sides. The first light module includes a first substrate and first LEDs thereon. An opaque element is disposed on each first gap between two adjacent first LEDs, each first LED is embedded in one first trough. The second light module includes a second substrate and second LEDs thereon. An opaque element is disposed on each second gap between two adjacent second LEDs, and each second LED is embedded in one second trough. Each first LED is disposed to one second gap, and each second LED is disposed in one first gap. Light from first LED is absorbed by the opaque element on the second substrate, and that from the second LED is absorbed by the opaque element on the first substrate.

Abstract: A lighting device comprising a first group of solid state light emitters, an element containing luminescent material and a second group of solid state light emitters spaced from the element. In some embodiments, (1) at least 50% of light emitted by one of the first group does not mix with light emitted by the second group before the light emitted by the second group has entered the element, (2) at least 90% of exiting light emitted by the second group travels farther within the lighting device than 90% of exiting light emitted by the first group, (3) an average distance traveled by exiting light emitted by the second group is farther than an average distance traveled by exiting light emitted by the second group, and/or (4) light emitted by the first group directly exiting the lighting device exits the lighting device without being incident upon the element.

Abstract: Surface mounted lighting fixtures having a troffer channel and a frame that extends around the troffer channel. The troffer channel includes a top wall and side walls. To impart a “back” to the fixture, the troffer channel is positioned in the frame so that the upper surface of the lighting fixture is defined by the top wall of the troffer channel and so that the fixture is mounted to a ceiling via the top wall of the troffer channel. The side walls of the troffer channel are preferably angled relative to the top wall to reflect light out of the fixture as desired. Tie brackets, lamp holder brackets, electrical components, and traditional louvers and lensed door components may be supported by the lighting fixture. An installation bracket may be provided to facilitate installation of the lighting fixture.

Abstract: A bulb-type lighting source employs a light-emitting element in a structure that facilitates heat dispersal. The lighting source includes a first heat sink member mounted in a bowl shaped case supporting a power supply circuit. A mounting substrate is positioned in surface contact with a surface of the heat sink member and is capable of supporting a light-emitting unit. A globe covers the light-emitting unit to permit light emission. A second heat sink member has a surface in contact with a perimeter of the mounting substrate and offset from the light-emitting unit to provide a second part in surface contact with the first heat member to facilitate the release of heat.

Abstract: An elongated luminaire for illuminating objects in front of the luminaire, comprising a plurality of side emitting LEDs (1) in only one straight array mounted on an elongated base plate (2). The base plate (2) carries two elongated reflectors (3) extending on either side of the array of LEDs (1) and parallel to the array of LEDs (1). Each reflector (3) has a reflecting surface (4) directed towards the array of LEDs (1).

Abstract: A solar powered light device having a shade having an upper edge, an interior area, and an outside bottom surface having a solar panel set thereinto which is electrically connected to a light bulb and a battery located within the interior area of the shade; a switch operatively connected to the light bulb which can be closed when the device is made to rest on the bottom surface; wherein the solar panel charges the battery when the device is resting on the upper edge and wherein the battery powers the light bulb when the device is resting on the bottom surface and the switch is closed.

Abstract: An illuminating device for vehicles, in particular a tail light, with a housing containing at least one light source, a support accommodating the light source, and a reflector, and with a diffusion lens for covering an opening of the housing. The reflector, which is provided with an electrically conductive coating, is assigned charge dissipation path in such a manner that, when electrostatic charging of the reflector occurs, a dissipation current flows along the dissipation path to a connection to earth of the illuminating device.

Abstract: A light source module includes a casing, at least one reflective layer, a light bar, and at least one light source. The casing has a first side wall and a second side wall, and the first side wall and the second side wall define an opening. The opening faces a light incident surface of a light guide plate, and the first side wall and the second side wall are respectively positioned on two opposite sides of the opening. The reflective layer is formed inside the casing and adjacent to one of the first side wall and the second side wall. The light bar is disposed inside the casing and forms an angle with the light incident surface of the light guide plate.

Abstract: An LED indicator lamp includes a shell, at least an LED module, a driving and controlling circuit board, a rechargeable battery and a plurality of solar panels. The shell has indicating words formed thereon. The shell and indicating words have different hues so that the indicating words can be easily recognized. The LED module is received in the shell to lighten the shell and highlight the indicating words. The driving and controlling circuit board is received in the shell to drive and control the LED module to lighten. The rechargeable battery is received in the shell to provide the LED module with electrical power. The solar panels are fixed on an outer surface of the shell to capture sunlight and convert it to electrical power to charge the rechargeable battery.