Abstract: A first lighting device comprises at least one plural cavity element and a plurality of solid state light emitters. A second lighting device comprises at least one plural cavity element, a plurality of solid state light emitters and at least one encapsulant region, at least a portion of the plural cavity element being surrounded by the encapsulant region. Each plural cavity element has at least two optical cavities. Each optical cavity comprises a concave region in the plural cavity element. At least one solid state light emitter is present in each of at least two of the optical cavities.

Abstract: A system and method for lighting structure designs, for example LED packaging, reflector designs and optics in lighting fixture, has been illustrated. In one embodiment, the lighting structure has multiple reflective surfaces such that a first reflective surface and a second surface form a first angle less than 90 degree while the second surface and a third reflective surface forms a second angle of less than 270 degree. The method can be applied in both LEDs package designs and second level optical application designs of a light module.

Abstract: A computing device is disclosed. The computing device includes a housing having an illuminable portion. The computing device also includes a light device disposed inside the housing. The light device is configured to illuminate the illuminable portion.

Abstract: A LED lamp cup includes a heat-conducting substrate, a LED unit, a casing and a light-transmitting lamp cover. The casing can be detachably assembled with the heat-conducting substrate or the light-transmitting lamp cover easily. Further, the casing or the light-transmitting lamp cover is configured that it can be retained from outside toward inside, so that the casing may not rotated reversely after being assembled with the heat-conducting substrate or the light-transmitting lamp cover. Thus, the biasing force exerted on the first and second waterproof gaskets may not be reduced to enlarge the gap. Thus, the penetration of moisture can be prevented to achieve a good waterproof effect.

Abstract: A fixing structure of a light emitting diode includes an opening part formed in the fixing plate, the opening part being where the light emitting diode is inserted and extending in a fixing direction perpendicular to an inserting direction; a first engaging part configured to engage one of a surface and a rear surface of the brim part in a state where the light emitting diode is fixed; a second engaging part configured to engage another one of the surface and the rear surface of the brim part in the state where the light emitting diode is fixed; and a third engaging part configured to engage the light emitting part of the light emitting diode in the state where the light emitting diode is fixed so that detachment of the light emitting diode in a direction opposite to the fixing direction is prevented.

Abstract: In an embodiment, a light refraction illumination device is disclosed. The light refraction illumination device may comprise or include a support member, and a plurality of lenses associated with the support member, wherein each lens from among the plurality of lenses may comprise or include a plurality of concave surfaces. The light refraction illumination device may further comprise or include at least one light source associated with the support member, wherein the at least one light source is configured to emit light, and wherein the at least one light source is positioned relative to the plurality of lenses such that the light is configured to travel through the plurality of concave surfaces.

Abstract: A computing device is disclosed. The computing device includes a housing having an illuminable portion. The computing device also includes a light device disposed inside the housing. The light device is configured to illuminate the illuminable portion.

Abstract: A lighting apparatus comprises a light panel having a panel frame, and a plurality of LEDs or other light elements secured to the panel frame. A self-contained battery unit securably attaches to the outside of the panel frame. The light panel may have a dimmer switch, and may also be capable of receiving power from a source other than the self-contained battery unit. The lighting apparatus can be mounted to a camera or a stand through adapters. Diffusion lenses or color gels can be integrated with or detachable from the light panel. The lighting apparatus may conveniently be provided in the form of a kit, with one or more of a light panel, self-contained battery unit, compact stand, connecting cable(s), adapter(s), lenses or color gels, and so on, provided in a single package.

Abstract: There is provided an LED driving circuit including: at least one ladder network circuit including: (n+1) number of first branches connected in parallel with one another by n number of first middle junction points between a first junction point and a second junction point, where n denotes an integer satisfying n?2, (n+1) number of second branches connected in parallel with one another by n number of second middle junction points between the first junction point and the second junction point, the (n+1) number of second branches connected in parallel with the first branches; and n number of middle branches connecting the first and second middle junction points of an identical m sequence to each other, respectively, wherein each of the first and second, and middle branches comprises at least one LED device.

Abstract: Systems and methods permit use of efficient solid state emitters for broad spectrum continuous spectrum lighting defined by illumination data. The illumination data, which can be sold as a commercial product, can be recorded or authored and include spectral, temporal, and spatial information. Intensities of individual emitters such as LEDs can be controlled through a combination of pulse width modulation (PWM) and amplitude modulation (AM) of drive currents. The combination of PWM and AM permits fine tuning of the spectrum of emissions and creation of free space optical data channels.

Abstract: A LED display unit comprises a housing; an openable door coupled to a front of the housing for movement between a closed position and an opened position; a LED module mounted on a front of the openable door; and a sliding assembly coupled to an inside surface of the housing and an inside surface of the front door comprising: a first connection member fixedly mounted to an inside surface of the housing, a second connection member fixedly mounted to an inside surface of the front door, a sliding member slidely mounted to the first connection member and rotatably connected with the second connection member, so that the sliding member can move forward from the housing and rotate relative to the openable door so as to open the openable door.

Abstract: A mounting system and method for a light source includes a light source support structure. The light source support structure positions the light source with respect to a source of electrical power which, when connected to the light source, will cause the light source to emit light energy. Further included in the mounting system and method of present invention is a mounting for a pair of electrical contacts which enable connection between the source of electrical power and the light source. Still further included in mounting system is a heat sink which is attachable to the light source support structure for conducting heat energy away from the light source.

Abstract: Disclosed are circuits that allow LED bulbs to be replaced regardless of color or construction of the LED element. When used for an LED light string, replacing an LED bulb does not affect the operation of the entire string. When used for other illumination purpose, for example, room light, the bulbs are interchangeable because they have the same operating voltage and current. A standardized input impedance is selected for all of the LED bulbs regardless of construction and color. A resistor circuit is used to create the standardized input impedance while optimizing the operating parameters of the LED element. The resistor circuit includes a bypass element so that if a LED element burns open, a series wired LED string will not go dark. This eliminates the necessity for parallel connected LED bulbs and allows enjoyment of other advantages and economies of series wired LED strings.

Abstract: A traffic signal head having a signal lamp or signal ball with an embedded video monitoring system can be provided to perform vehicle detection to inform an intelligent traffic control system. Video monitoring of traffic lanes facing the signal head can be analyzed by such a system to emulate inductive loop signals that are input signals to traffic control systems.

Abstract: A light emitting diode (LED) device and the applications are provided, wherein the LCD device comprises a light emitting direction and a cross-section perpendicular to the light emitting direction, wherein the cross-section has a first height perpendicular to the light emitting direction and a light emitting area having a second height perpendicular to the light emitting direction, the second height is substantially shorter than 70% of the first height.

Abstract: A lighted bottle cap apparatus replaces a conventional threaded bottle cap to provide an entertaining light display externally of the bottle and also through the liquid contained within the bottle. The cap apparatus incorporates a battery powered lighting device that utilizes LED's to direct light energy into and away from the bottle. An optional advertising display can be formed as part of the cap apparatus to be illuminated from the lighting device. An alternative embodiment provides a central opening through the cap apparatus to allow the liquid within the bottle to be dispensed therethrough. The lighting device is oriented to direct light energy into the discharged liquid. An adaptor incorporating a translucent panel allows the standard cap apparatus to be connected to multiple bottle configurations. The adaptor has first and second sets of threads separated by the translucent panel to seal the lighting device from the liquid in the bottle.

Abstract: A system and method for calibrating light output from an LED is provided. The system includes a support on which an LED is positioned, a photosensor to measure the light output from the LED, and means for calibrating and adjusting the light output of the LED. Calibration is accomplished by measuring the light output from the LED, comparing such output against a reference value, and adjusting the measured output against the reference value.

Abstract: A light source device includes a first heat dissipation structure, an LED module, a heat energy convertor and a fan. The first heat dissipation structure includes a heat dissipation base, a first fin group attached on a top surface of the heat dissipation base. The LED module is attached on a bottom surface of the heat dissipation base of the first heat dissipation structure. The heat energy convertor is thermally connected to the heat dissipation base of the first heat dissipation structure through heat pipes, and configured for changing heat energy generated by the LED module into kinetic energy. The fan is disposed over the first fin group and driven by the heat energy convertor.

Abstract: The present invention discloses an aspherical LED angular optical lens for central distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on an project side. The LED assembly comprising the optical lens can accumulate light emitted from the LED die and generate a peak intensity of the central angular circle distribution pattern which is greater than 72° and smaller than 108°. The present invention only uses a single optical lens capable of accumulating light and forming a required distribution pattern to satisfy the requirement of a luminous flux ratio greater than 85% and the requirement of an illumination, a flash light of a cell phone or a flash light of a camera.

Abstract: The present invention relates to a pointless illumination device, comprising: a body; a cover, made of a light spreading material which can uniformly spread out the light of a plurality of light emitting devices; a light source module; a first contact portion; and a second contact portion. The light emitted from the light source module is uniformly spread through the cover so that the phenomenon of pointwise illumination does not exist in the illumination device.

Abstract: A light-emitting module (1) includes a substrate (10), a plurality of light-emitting elements (14) formed on the substrate (10), and phosphor layers (15) covering each of the light-emitting elements (14). Each of the phosphor layers (15) includes a first phosphor region (15a) and a second phosphor region (15b) that are divided in the direction substantially parallel to the surface of the substrate (10). Each of the first phosphor region (15a) and the second phosphor region (15b) includes a phosphor that absorbs light emitted from the light-emitting element (14) and emits fluorescence. The maximum peak wavelength of fluorescence emitted from the first phosphor region (15a) is longer than that of fluorescence emitted from the second phosphor region (15b).

Abstract: A liquid crystal display with low manufacturing cost, small dark area and compact exterior is provided by utilizing a plurality of differently radiating light emitting diodes at different angles. The liquid crystal of present invention includes a thin film transistor panel for displaying image, a backlight assembly for providing light to the thin film transistor panel with a plurality of light emitting diodes with different light radiation angles and a light guiding plate, and a frame unit for encompassing the thin film transistor panel and the backlight assembly. The light emitting diodes are placed either at the mid-point of light incident surface or the corner portion of the light guiding plate.

Abstract: An LED module comprises an LED having an optical axis and a lens for refracting light from the LED. The lens is symmetric relative to a first plane at which the optical axis is located. The peak light intensity in the first plane occurs within 0-5 degrees off the optical axis. The light intensity in the first plane decreases from the peak light intensity with the increase of the angle off the optical axis. In a second plane perpendicularly intersected with the first plane at the optical axis, the peak light intensity occurs within 33-41 degrees off the optical axis, and the light intensity at the optical axis is larger than a half-peak light intensity. Within 0-33 degrees off the optical axis, the light intensity in the second plane increases with the increase of the angle off the optical axis.

Abstract: A lighting device has a light-bar mount and multiple light bars. The light-bar mount is integrally formed from a board. The light bars are mounted on the light-bar mount and each light bar has a heat sink, a circuit board and multiple high-power LED modules. The heat sink is detachably mounted in the light-bar mount. The circuit board is mounted in the heat sink. The high-power LED modules are mounted on the heat sink and electrically connected to the circuit board for providing outward illumination.

Abstract: A backlight, a backlight assembly and a liquid crystal display having the same, the backlight including a substrate with a plurality of wiring provided thereon, a plurality of LED modules disposed on the substrate and at least one color sensor disposed on the substrate. The color sensor includes a color sensor chip mounted on the substrate and a molding portion enclosing the color sensor chip on the substrate.

Abstract: A mounting surface for mounting a plurality of LEDs has a plurality of orientable lenses each individually affixed about a single LED. Each orientable lens has a primary reflector and a refracting lens that direct light emitted from a single LED to a reflective surface of the orientable lens that reflects the light off a primary LED light output axis.

Abstract: An LED lamp for use in a display case includes a plurality of LEDs and an optic for redirecting the light to illuminate the contents of the display case.

Abstract: There is provided a light source unit which includes a luminescent light source which receives excitation light so as to emit light of a predetermined wavelength band, excitation light sources which shine excitation light on to the luminescent light source, a reflection space having the luminescent light source in an interior thereof and an emission space which emits luminescent light source light emitted from the reflection space from an emission port whose area is made smaller than the area of the luminescent light source and a projector which employs the light source unit.

Abstract: The LED replacement for low voltage lamps has a plurality of LED lights disposed in a housing capped by a multifaceted reflector to provide lighting having comparable lighting characteristics to non-LED sourced low voltage lamps. Power conditioning solid state circuitry is disposed in the housing and provides the LED lights with a regulated excitation voltage source. The power conditioning circuitry has at least one ceramic capacitor in parallel with output leads of a power supply for the lamp. A zener diode pair having anodes connected together is disposed in parallel with the ceramic capacitor. The power conditioning circuitry is disposed in advance of a voltage rectifier and filter bank, whose output is provided to a voltage regulator that provides regulated DC voltage to the LED light sources. Output of the voltage regulator is modulated by thermal protection circuitry that throttles the LEDs off responsive to lamp overheating.

Abstract: A variable intensity LED illumination system is configured to provide a change in luminance versus input voltage that corresponds to a desired transfer function, such as the dimming characteristics of an incandescent lamp, which more closely resembles the response of the human eye. The system also advantageously provides overvoltage protection, increased brightness, energy efficiency, and significantly better longevity and ruggedness, compared to incandescent lamps.

Abstract: An LED reflector lamp has a control circuit, at least two LED light sources controlled by the control circuit, at least two light source panels coupled to respective at least two LED light sources, and at least one heat-conducting plate thermally connected to the at last two light source panels. The LED lamp reflector has a reflective cup having a reflective inner surface, a reflective opening formed by an edge of the reflective inner surface, and a slot formed on a bottom of the reflective cup, wherein the at least one heat-conductive plate is inserted through the slot into an interior of the reflective cup such that the LED light sources are parallel to a centrally vertical axis of the reflective cup. A heat sink is described that has a cavity in its interior, the cavity being dimensioned and shaped to be coupled to the reflective cup and plate.

Abstract: Disclosed are a light emitting module and a light unit having the same. The light emitting module includes a plurality of light emitting devices, each light emitting device including a package body, a light emitting diode provided in the package body, and a plurality of lead electrodes electrically connected to the light emitting diode while protruding outwardly from the package body; and a board including at least one receiving groove, wherein the at least one of the light emitting devices is removably inserted into the at least one receiving groove.

Abstract: An LED light source includes an LED module and a light-guiding module fixed on the LED module. The LED module includes a printed circuit board and a plurality of LEDs. The light-guiding module includes a frame placed on the LED module and a plurality of light guiding units engaging with the frame. The frame defines an opening in a lower portion thereof to receive the LEDs of the LED module therein and a recess in an upper portion thereof and in communication with the opening. Each of the light guiding units has a base with two flanges respectively fittingly received in two cutouts of the recess of the frame so that the light guiding unit is movable along the recess until it faces a corresponding LED.

Abstract: Disclosed is a modular light emitting diode (LED) light pod having heat dissipation structures. A reflective optic plate, which may be made in various modular sizes and designs, having a plurality of recesses is seated on an LED board having a plurality of LEDs, such that the plurality of LEDs fit within the plurality optical recesses. The optical recesses serve to collimate light in a desirable manner based on predetermined dimensional ratios of the optical recesses. A heat dissipation system involves a heat sink housing acting in combination with a heat extraction plate having a plurality thermally conductive posts extending perpendicularly from a top and bottom surface, and a heat dissipation plate to create a thermally conductive path for moving heat away from the LED board when the light pod is in use.

Abstract: A flexible light-emitting apparatus including a side light-emitting flexible light guide rod, two light emitting diodes, and two lenses is provided. The side light-emitting flexible light guide rod has a first end, a second end opposite to the first end, and a light-emitting surface connecting the first and the second ends. The LEDs are respectively disposed beside the first end and the second end and adapted for emitting light beams toward the side light-emitting flexible light guide rod, respectively. One of the lenses is located between the first end and the LED disposed beside the first end, and the other lens is located between the second end and the LED disposed beside the second end. Each of the light beams enters the side light-emitting flexible light guide rod through the corresponding lens and is transmitted to the outside of the side light-emitting flexible light guide rod through the light-emitting surface.

Abstract: The present invention discloses an aspherical LED angular optical lens for narrow distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on a project side. The LED assembly comprising the optical lens can accumulate light emitted from the LED die and generate a peak intensity of the narrow angular circle distribution pattern which is greater than 15° and smaller than 30°. The present invention only uses a single optical lens capable of accumulating light and forming a required distribution pattern to satisfy the requirement of a luminous flux ratio greater than 85% and the requirement of an illumination, a flash light of a cell phone or a flash light of a camera.

Abstract: A light emitting device and method of producing the same is disclosed. The light emitting device includes a light emitting semiconductor, an encapsulation layer, wherein the light emitting semiconductor is disposed within the encapsulation layer, a phosphor layer provided over the encapsulation layer, and an air gap provided between the encapsulation layer and the phosphor layer.

Abstract: An Edison-style light bulb (40) which supports a plurality of light emitting diodes (LEDs) (50) and an illumination source (54). First and second electrical circuits (56) and (58) are mounted in the bulb to supply electrical power to the illumination source and to the LEDs. A switch circuit (60) is connected to control the supply of electrical power to the first and second electrical circuits (56) and (58) to adjust and coordinate the light output from the LEDs (50) and from the illumination source (54).

Abstract: A light emitting diode (LED) lamp is disclosed, which comprises: a base; a tube, mounted on the base and configured with a plurality of first openings; a mask, for receiving a portion of the tube inside the same and being configured with a plurality of second openings; a plurality of light emitting diodes (LEDs), each being mounted at the exterior periphery of the tube; and a fan, being arranged connecting to the tube; wherein, the operation of the fan is going to cause air convention between the tube and the mask for dissipating the heat generated from the LEDs with high efficiency.

Abstract: The present invention relates to an optical transformation device, and more particularly to an optical transformation device able to transform a projected light beam from a spot light source to form rectangular projection surfaces, which primarily includes a refracting body composed of an emergent surface structured from a combination of a plurality of optical surfaces and an incident surface configured as a concave spherical surface. Two reflecting surfaces located at two sides of the meridian of the emergent surface enable the luminous flux of incoming light to completely impinge upon the refracting body, and the interactive effect from the combined optical surfaces transforms the light shape of a light beam from a spot light source, and is projected to produce an almost rectangular shaped illumination projection surface.

Abstract: A lighting apparatus for a Gunner's Quadrant including a housing and a flexible circuit board including lights. The lighting apparatus illuminates portions of the M1 A1 or M1 A2 Gunner's Quadrant. The lighting apparatus may be removably attached to the Gunner's Quadrant. The invention also includes a method of manufacturing a lighting apparatus for a Gunner's Quadrant, including applying a flexible circuit board including lights to a housing.

Abstract: An image reading apparatus that detects failure in the white LEDs constituting a white LED array. Failure in the white LEDs is detected by comparison between a prescribed current threshold and the current running in the LED array detected by an image reading apparatus controller when the white LED array composed of plural LED blocks connected in parallel, each LED block being composed of plural LEDs connected in series, is powered for failure detection. This failure check is conducted by checking LEDs for failure in each of the LED blocks constituting the LED array. Image reading is not permitted when faulty LEDs are detected in two neighboring LED blocks.

Abstract: An LED light fixture includes a first substrate, a second substrate and a plurality of LED chips. The first substrate, on one side thereof, includes a plurality of spaced first electrodes, a first inner terminal electrically connected to the first electrodes, and a second inner terminal insulated from the first electrodes, and, on another side thereof, a first outer terminal electrically connected to the first inner terminal and a second outer terminal electrically connected to the second inner terminal. The second substrate includes a plurality of spaced second electrodes corresponding to the first electrodes, and a third inner terminal electrically connected to the second electrodes and the second inner terminal. The LED chips are arranged between the first and second substrates and electrically connected to the first and second electrodes of the first and second substrates, respectively.

Abstract: A forming mold of a light-emitting member includes a frame, an upper mold and a lower mold, and the frame is provided with carriers, pins and supporting portions. The upper and lower molds match with each other to provide a forming space for the base of the light-emitting member. The forming space contains the carriers and a part of the supporting portions. One or more projections are disposed at the position where the brinks of the upper and lower molds contact the supporting portions. After injection molding, the burrs formed by a plastic material along the supporting portions can be concealed in the recesses that are formed corresponding to each of the projections, thereby reducing the influence of the burrs on the external size of the base.

Abstract: A lighting apparatus includes a combination of LED dice that emit light of a first color and a wavelength-shifting material (e.g., phosphor) that converts light of the first color to light of a second color. An appropriate combination of light of the first color and light of the second color can be used to produce light of a target color. In an embodiment, LED dice in the lighting apparatus are divided into two groups. Each LED die in the first group is combined with less wavelength-shifting material than needed to produce light of the target color, while each LED die in the second group is combined with more wavelength-shifting material than needed to produce light of the target color. As a result, the two groups produce light having colors on opposite sides of the target color in the International Commission on Illumination (CIE) chromaticity diagram.

Abstract: The present invention discloses an aspherical LED angular optical lens for wide distribution patterns and an LED assembly using the same. The optical lens comprises a concave surface on a source side and a convex surface on a project side. The LED assembly comprising the optical lens can accumulate light emitted from the LED die and generate a peak intensity of the wide angular circle distribution pattern which is greater than 120° and smaller than 180°. The present invention only uses a single optical lens capable of accumulating light and forming a required distribution pattern to satisfy the requirement of a luminous flux ratio greater than 85% and the requirement of an illumination, a flash light of a cell phone or a flash light of a camera.

Abstract: An exemplary general lighting fixture includes an assembly forming an optical integrating volume for receiving and optically integrating light from one or more solid state light emitters and for emitting integrated light. The assembly includes a reflector having a diffusely reflective interior surface defining a substantial portion of a perimeter of the integrating volume. A light transmissive solid fills at least a substantial portion of the optical integrating volume. A light emitter interface region of the solid, for each solid state light emitter, closely conforms to the light emitting region of the respective emitter. A surface of the transmissive solid conforms closely to and is in proximity with the interior surface of the reflector. The transmissive solid also provides a light emission surface, at least a portion of which forms a transmissive optical passage for emission of integrated light, from the volume, in a direction facilitating a general lighting application.

Abstract: An optoelectronic component comprises a first electrode (3), a radiation-emitting layer sequence (1) having an active region (10) on the first electrode (3), which region has a main extension plane (E) with a surface normal (N) and emits an electromagnetic primary radiation having a non-Lambertian emission characteristic, a second electrode (4) on the radiation-emitting layer sequence (1), said second electrode being transparent to the primary radiation, and a wavelength conversion layer (2) in the beam path of the primary radiation, which converts the primary radiation at least partly into an electromagnetic secondary radiation.

Abstract: A light emitting die package includes a substrate, a reflector plate, and a lens. The substrate has traces for connecting an external electrical power source to a light emitting diode (LED) at a mounting pad. The reflector plate is coupled to the substrate and substantially surrounds the mounting pad, and includes a reflective surface to direct light from the LED in a desired direction. The lens is free to move relative to the reflector plate and is capable of being raised or lowered by the encapsulant that wets and adheres to it and is placed at an optimal distance from the LED chip(s). Heat generated by the LED during operation is drawn away from the LED by both the substrate (acting as a bottom heat sink) and the reflector plate (acting as a top heat sink).

Abstract: Light emitting device multi-chip lighting fixtures are disclosed. According to one aspect, a lighting fixture is provided, the lighting fixture having a plurality of light-emitting devices operable for emitting light onto a light diffuser. Where each of the light-emitting devices produces light having a non-uniform luminous intensity, each of the light-emitting devices is positioned with respect to one another to illuminate the surface of the light diffuser with an aggregate light having a substantially uniform luminous intensity. In this way, the light cast by the lighting fixture appears to have a substantially uniform luminous intensity.