Abstract: A backlight unit and an image display module are provided. The backlight unit includes a micro-lens unit, and a light source unit, wherein the direction in which the plurality of lenses are arranged is at an oblique angle relative to the direction in which the plurality of light sources are arranged. Accordingly, uniform brightness is provided to a display apparatus.

Abstract: An artwork of light-emitting display ornament for use in a ceiling lamp, palace lamp, wall lamp, desk lamp, floor lamp, or pot plant-shaped lighting fixture is disclosed to include a bionic-shaped light-transmissive solid member made out of a light-transmissive stone or fogged glass in the shape of a fruit of flower bud and having a ball hole, and a light emitting diode mounted in the ball hole and controllable to emit light through the bionic-shaped light-transmissive solid member.

Abstract: In an optical package capable of guiding light, and an optical lens and a backlight assembly having the optical package, the optical package includes a plurality of light emitting parts and a lens plate. The lens plate defines a plurality of lens parts corresponding to the light emitting parts, respectively. The lens plate has a plurality of light guiding portions extended from the lens parts in a side direction of the optical package.

Abstract: An optical illuminating system is adapted to receive and scatter light from a primary light source, such as the sun. The optical illuminating system includes a light input device adapted for receiving the light from the primary light source, a light output device, and a light transmission device that is coupled optically to the light input device and the light output device for transmitting the light received by the light input device to the light output device by total reflection. The light output device scatters the light received from the light transmission device for output.

Abstract: Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules.

Abstract: A lamp strip assembly including a lamp and an elongate reflector, forming a lamp set, mounted in an elongate housing, the elongate reflector including a curved reflective portion at one end thereof and the lamp being distanced axially away from that end, wherein the curved reflective portion is adapted to reflect light rays from the lamp through a light transmissive element of the elongate housing.

Abstract: An illumination device having an optical element fixing structure is disclosed. The illumination device includes a plurality of light emitting diodes, a plurality of lenses and a supporter. The lenses are provided on the optical paths of the light emitting diodes, and each of the lenses has a guiding part. The supporter has a plurality of holding rooms. One side of the holding room has an embedded portion. The guiding part may be guided to the embedded portion to allow the body of the lens to be provided in the holding room.

Abstract: An illuminating device which is provided with a plurality of light source units is provided. Each of the plurality of light source units includes a light emitting unit having a light emitting device, a first optical system that adjusts an optical path of light emitted from the light emitting unit, an electrode that supplies power to the light emitting unit, and a connecting element that connects the light emitting unit to the electrode and is disposed so as to block a part of the optical path of light from the light emitting unit thus to create an unilluminated area. In this structure, the plurality of light source units are arranged such that unilluminated areas of the plurality of light source units are substantially uniformly distributed over an entirety of an area illuminated by all the plurality of light source units.

Abstract: An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circumference, at least one optical member configured to guide the diffused light to the objective illumination region, a movable section configured to drive the optical member so as to be rotatable around the center of the circumference serving as a rotation center, and a lighting control section configured to control a light-emitting timing of the plurality of illuminants. The movable section and the lighting control section operate together such that the quantity of light per unit time of the diffused light guided to the objective illumination region is within a predetermined range.

Abstract: A lighting assembly having a plurality of light sources and a lens matrix having a plurality of lenses. The lens matrix may be positioned relative to the light sources so that each light source resides in a first orientation within one of the lenses and emits a light distribution. Relative translation between the light sources and the lens matrix alters the orientation of the light sources within the lenses, creating a different light distribution. A light source's orientation may change within the same lens, or the light source may translate to a different lens to alter the distribution of its emitted light.

Abstract: The present invention relates to a light emitting diode (LED) device (10) comprising (a plurality of LED chips (12) placed on a substrate, and a plurality of light guiding elements (16, 36) each having and an entrance window (24) and an exit window (26) wherein the elements are arranged for allowing light from at least one LED chip to be transferred from the entrance window to the exit window, and wherein the elements are further arranged so that said exit windows form several inner side surfaces (20) of a cavity (22), which cavity further has an exit aperture (30) for allowing extraction of light from the device. This configuration allows for a high brightness LED device.

Abstract: An operating lamp includes a center optical system, and a plurality of side optical systems. Each of the optical systems includes a plurality of light sources. Each of the light sources includes a condensing lens and an LED. When the positions of the condensing lens with respect to the LEDs are adjusted, the operating lamp is still able to generate a light field of a substantial Gaussian distribution. Thus the light intensity corresponding to the center of the operating lamp can still be optimized even when the light field is increased or decreased.

Abstract: Light-collecting illumination systems are disclosed, which include a light source module, a first meniscus lens having a convex side and a concave side and a second meniscus lens having a convex side and a concave side. The concave side of the second meniscus lens is adjacent to the convex side of the first meniscus lens and the concave side of the first meniscus lens faces the light source module for receiving light therefrom. In addition, light-collecting illumination systems are disclosed, which include a plurality of light source modules and a system of optical elements comprising a plurality of pairs of meniscus lenses, each pair being associated with a light source module.

Abstract: An illumination device is provided which includes a lighting stand (3) in which a torch portion (11) including a light source support (13) on which a plurality of light sources (2a to 2c) is supported is provided upright on a base in which a control circuit unit (22) to change the light emission from each of the light sources 2a to 2c, a light scattering member (4) formed by molding a semitransparent resin to have a cap-like shape nearly like a candle frame, fitted on the light source support (13) and which scatters the illumination light emitted from the light sources (2a to 2c), to be bright itself, a shade member (5) formed from a transparent resin and attached over the outer surface of the lighting stand (3), and a shielding/diffusing member (6) assembled, being rounded like a cylinder, inside the shade member (5) to diffuse the illumination light emitted from the light sources (2a to 2c).

Abstract: A programmable and alternately configurable lighting fixture including a light emitting diode array adapted to affixed within a fixture housing. The lighting fixture includes a controller that is adapted to selectively power the plurality of light emitting diodes to provide two or more light beam patterns, each of the two or more light beam patterns selectively directable to two or more distinct lighting areas. The controller and the plurality of light emitting diodes are conductively connected to a power supply. The controller is programmable such that the lighting fixture is adaptable to various seating and lighting configurations, for instance a two seat/two beam configuration, a three seat/three beam configuration or a four seat/four beam configuration. Interchangeable lens assemblies are configured to appropriately direct and focus the selected number of lighting beams to the selected and distinct lighting areas.

Abstract: An optical module has plural optical units each having an optical communication device that performs conversion between an electrical signal and an optical signal, and a socket that the optical communication device is fitted in. The optical units are aligned and detachably connected to each other by a part of the socket in contact with the socket of the adjacent optical unit.

Abstract: The objective lens assembly of an optical inspection device is surrounded coaxially of its optical axis by an illuminator housing having therein a central opening surrounded by a circular array of reflective mirror surfaces or facets that are inclined at like angles to the optical axis, and which register with the light emitting of a like circular array of LEDs mounted in the housing in radially spaced, coaxial relation to the mirror facets. Mounted coaxially beneath the illuminator housing for vertical adjustment relative thereto is a generally disc-shaped Fresnel lens. The lens is movable by drive means optionally between an uppermost position adjacent the underside of the housing and a lowermost position adjacent the work that is to be inspected.

Abstract: An exemplary backlight module (30) includes a frame (31), a plurality of light emitting diodes (32) and at least one optical plate (34). The light emitting diodes are regularly disposed on the base. The optical plate is positioned on the frame. Each light emitting diode includes a light output unit (321), an optical lens (323) having a light input surface (3231), a top surface (3233), and a light output surface (3235); and a reflective sheet (325) affixed on the top surface of the optical lens. The backlight module can have a thin configuration while still providing good, uniform optical performance.

Abstract: Lighting devices are provided for efficiently distributing light over an area to provided uniform illumination over a wide angle or other tailored illumination patterns. Each light device has at least one light source, at least one collimator for partially collimating light from the light source, and at least one diffuser for diffusing light from the collimator. The diffuser provides diffused light over an area from the diffuser having an intensity that is angularly dependent in accordance with the angular distribution intensity of light outputted from the collimator, so as to provide a predetermined illumination pattern from the device. The light sources and collimators may be provided in one or two-dimensional arrays, and a single diffuser may be formed on each collimator or the diffuser may be along a plate spaced from the collimators.

Abstract: An illuminating unit having a plurality of light emitting devices and collimators and a projection type image display apparatus using the same are provided. The illuminating unit includes: a plurality of light emitting devices which output light beams of predetermined wavelengths; a plurality of collimators, each having a parabolic reflection surface for reflecting the light beam in a predetermined direction, a mounting section for locating the light emitting device at the focal point of the parabolic reflection surface, a light output surface opposite to the parabolic reflection surface, and a light guide section for guiding the light beam reflected from the parabolic reflection surface to the light output surface; and one or more fixing members having two or more steps for mounting the light emitting devices and the collimators on their top surface. A plurality of light emitting devices and collimators are efficiently arranged in a small space.

Abstract: An illumination system includes a first reflective element, a first lamp, a second lamp and a second reflective element. The second lamp is disposed on a second axis, the first reflective element and the first lamp are disposed at opposite sides of the second axis and on a first axis intersecting the second axis. The first lamp and the second lamp have a first light emitting section, a second light emitting section and emit a first light beam, a second light beam respectively. The second reflective element is located in front of a part of the first light emitting section and the second light emitting section. The first and second light beams are reflected by at least one of the first and second lamps and the first and second reflective elements, and then are combined with each other and transmit in a direction away from the second lamp.

Abstract: A backlight assembly includes at least one backlight sub-unit, the backlight sub-unit including a light emitting diode (LED) unit that includes at least one LED that emit a predetermined color arranged in a predetermined pattern and a sidewall surrounding the LED unit.

Abstract: An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circumference, at least one optical member configured to guide the diffused light to the objective illumination region, a movable section configured to drive the optical member so as to be rotatable around the center of the circumference serving as a rotation center, and a lighting control section configured to control a light-emitting timing of the plurality of illuminants. The movable section and the lighting control section operate together such that the quantity of light per unit time of the diffused light guided to the objective illumination region is within a predetermined range.

Abstract: This invention discloses a direct-type backlight unit structure, which at least comprises at least one light generation component and at least one reflection mirror. The light generation component is used to generate a light and the reflection mirror is set in a side of the light generation component, wherein the reflection mirror faces to the light generation component to form a paraboloid and the paraboloid extends till a top of the light generation component. The reflection mirror can also be set on the top of the light generation component, and faces to the light generation component to form two paraboloids from a center line of the top of the light generation component. The light generated from the light generation component, especially the upward light, can be reflected by the reflection mirror to turn toward the side direction, and finally intermix uniformly in a mixed space, and pass through a light emitting surface to form a uniform backlight.

Abstract: Light display structures are provided that are simple and comprise few parts so that they can be economically fabricated from various polymers and quickly assembled. They are especially suited for carrying light-emitting elements and lend themselves for realization in a variety of forms such as elongate display structures and sheet-like display structures. They are based upon a plurality of light-emitting elements (e.g., light-emitting diodes) that are coupled between first and second conductors with the addition of other structures (e.g., spacers, wire bonds, tabs) that facilitate the energizing of the light-emitting elements.

Abstract: A lamp includes several internal light emitting diodes, several first planoconvex lenses positioned over respective ones of light emitting ends of the light emitting diodes, and a second planoconvex lens; the second planoconvex lens is positioned over the first planoconvex lenses such that light emitted from the light emitting diodes will travel through the second planoconvex lens after passing through the first planoconvex lenses; because of focusing effect of the first and the second planoconvex lenses, light emitted from the light emitting diodes will become brighter, and the lamp will shine uniformly, and there will not be undesirable light dots present on the lamp.

Abstract: An illumination unit is provided which includes a glass rod including a parabolic reflection surface, a light incident surface facing the parabolic reflection surface, a concave portion formed inwardly in the light incident surface at a position of a focal point of the parabolic reflection surface, and a light guide portion facing the parabolic reflection surface and having a rectangular section. An LED module is disposed at the focal point of the parabolic reflection surface and emitting light to the parabolic reflection surface through the concave portion. A surface of the light guide portion parallel to the light incident surface is stepped from the light incident surface in a direction in which the rectangular section of the light guide portion decreases.

Abstract: A lighting apparatus comprising a support, a light source having an emission surface and disposed in the support, a lens disposed to face the emission surface of the light source, and a half-mirror film provided on at least a surface of the lens, the half-mirror film being a thin film comprising a metallic material such as aluminum, the lens being a light-focusing lens, the lens having a peripheral part and a central part, the peripheral part including a lens surface comprising a smoothly curved surface, and the central part including a Fresnel lens surface.

Abstract: An illumination apparatus illuminating an objective illumination region comprises a plurality of illuminants having light-emitting surfaces radiating diffused light, an illuminant substrate in which the illuminants are disposed so as to be set in array on the circumference, at least one optical member configured to guide the diffused light to the objective illumination region, a movable section configured to drive the optical member so as to be rotatable around the center of the circumference serving as a rotation center, and a lighting control section configured to control a light-emitting timing of the plurality of illuminants. The movable section and the lighting control section operate together such that the quantity of light per unit time of the diffused light guided to the objective illumination region is within a predetermined range.

Abstract: Luminous intensity and chromaticity of each luminescent light source are measured for an impressed current value, a mixing ratio of intensities of lights emitted from luminescent light sources required for synthesizing lighting intensity with the preset chromaticity at the luminous intensity instructed by an instruction value is computed with a theoretical equation for computing changes in chromaticity correlating to changes in luminous intensities of the luminescent light sources for color synthesis (ST33), luminous intensities of each luminous light source for generating a luminous intensity instructed by an instruction value from a mixing ratio are computed (ST34), and the impressed current value required for making each luminous light source emit light at the luminous intensity is read out from the characteristics of luminous light sources (ST35).

Abstract: A backlight unit of a liquid crystal display includes a plurality of light emitting diode packages arranged in a matrix while being spaced a uniform distance apart from each other. Each light emitting diode package includes one or more light emitting diode chips and is structured such that light generated from the light emitting chips is emitted in the horizontal direction. A reflector consists of a plurality of reflection cells connected to each other in a matrix. Each of the reflection cells of a unit size has each of the light generating packages positioned at the center thereof, and reflects the light, emitted from the light emitting diode at the center thereof in the horizontal direction, in the vertical direction.

Abstract: A module has a metallic mass with an upper surface having laterally spaced wiring channels and outwardly extending fins. A circuit board is mounted on the module and fabricated of an insulating bottom layer with trace patterns thereon. A plurality of electrical components, including at least one light emitting diode, are coupled to the trace patterns of the circuit board. A pair of continuous conductor wires couple the electrical components with each wire and extend through the wiring channels of the module. At least one pair of connectors extend through the circuit board with upper ends coupled with the trace patterns and lower ends extending downwardly to electrically couple with the wires.

Abstract: A light source includes at least one optical fiber having a length and first and second ends and at least one electromagnetic wave source disposed along at least a portion of the length of the fiber for transmitting electromagnetic waves through a side surface of the fiber. A reflective surface is disposed at the first end of the fiber for directing light generated within the fiber toward the second end. A heads-up display can make effective use of the light source.

Abstract: Light display structures are provided that are simple and comprise few parts so that they can be economically fabricated from various polymers and quickly assembled. They are especially suited for carrying light-emitting elements and lend themselves for realization in a variety of forms such as elongate display structures and sheet-like display structures. They are based upon a plurality of light-emitting elements (e.g., light-emitting diodes) that are coupled between first and second conductors with the addition of other structures (e.g., spacers, wire bonds, tabs) that facilitate the energizing of the light-emitting elements.

Abstract: An apparatus and a method for producing an animation effect are disclosed. The apparatus comprises at least one light reflecting member, a first light source, a second light source, and means to intermittently activate the first and second light sources to produce an animation effect.

Abstract: A light emitting apparatus has: a plurality of surface mount device (SMD) type light emitting diode elements; a circuit board on which the plurality of SMD type light emitting diode elements are mounted; and a plurality of convex lenses each of which covers the light extraction side of corresponding one of the plurality of SMD type light emitting diode elements. The lens optical axis of at least one of the plurality of convex lenses does not coincide with an axis that passes through the center of corresponding one of the plurality of SMD type light emitting diode elements and is perpendicular to the circuit board.

Abstract: Luminous intensity and chromaticity of each luminescent light source are measured for an impressed current value, a mixing ratio of intensities of lights emitted from luminescent light sources required for synthesizing lighting intensity with the preset chromaticity at the luminous intensity instructed by an instruction value is computed with a theoretical equation for computing changes in chromaticity correlating to changes in luminous intensities of the luminescent light sources for color synthesis (ST33), luminous intensities of each luminous light source for generating a luminous intensity instructed by an instruction value from a mixing ratio are computed (ST34), and the impressed current value required for making each luminous light source emit light at the luminous intensity is read out from the characteristics of luminous light sources (ST35).

Abstract: A passive radiation optical system includes a one-piece module having a plurality of individual optical components wherein the one-piece module is radiation-permeable or reflective. The optical components are connected to one another via predetermined breaking points for forming a radiation optical system module. In addition, the one-piece module can be separated to form optical components that include one or more individual optical components. The one-piece module is particularly for use with light emitting diodes. The passive radiation optical system module is suitable for mass production, and because of its modular principle, it enables flexible adaptation to the shape and size of the desired lighting device, such as lighted advertising or safety lighting.

Abstract: A light source unit including an LED mounted on an optical axis extending in the longitudinal direction of the vehicle with its light output directed upward, and a reflector is provided above the LED having a first reflecting surface for collecting the light emitted by the LED and reflecting the light generally in the direction of the optical axis Ax. The first reflecting surface is formed in such a manner that a distance L in a vertical direction from the LED to the first reflecting surface is approximately 10 mm in a preferred embodiment.

Abstract: A vehicle side-flashing lamp includes: a cup-shaped housing; a light exit opening opposite the housing bottom; and a light exit cover which covers the light exit opening. At least one light-emitting diode emits light outwardly at least partially at an angle which is large with respect to the main axis of the housing. A prismatic element, defined by first, second and third boundary surfaces, is arranged in front of the light-emitting diode in such a way that an emitted light beam passes through the first boundary surface into the prismatic element and is at least partially reflected at the second boundary surface, which is inclined with respect to the central axis of the light beam, in such a way that the reflected part issues from the prismatic element through the third boundary surface.

Abstract: The invention is directed to provide a vehicle interior illumination device which has a high illuminating effect and which can be used for various kinds of illumination in a vehicle. The illumination device disposed in a roof portion of the interior of a vehicle, including: a first light-emitting section having a first light source constituted by a plurality of first LEDs disposed at substantially regular spaces; and a second light-emitting section having a second light source constituted by a second LED, and a second outer lens with which a light emission side of the second light source is covered and by which light emitted from said second light source is converged and radiated out.

Abstract: A decorative light string assembly comprises a string of light bulb sockets electrically interconnected by an electrical cord and terminated by at least one electrical connector. A plurality of decorative light bulbs are mated with the sockets. Each decorative light bulb comprises a plain light bulb covered by a flexible outer coating in the shape of a candle flame. The decorative light bulbs may include colors or scents associated with particular holidays, seasons or occasions. A decorative light string assembly kit and a method for making a decorative light string assembly are also provided.

Abstract: A light scanning unit that does not deteriorate print quality and has a simple structure and a low-priced multi-beam shape.

Abstract: A lamp (10, 30, 80) includes an LED module (16, 36, 86) having at least one LED (12, 32, 82) arranged on a substrate (14, 34, 84). An optical system includes at least one lens (18, 38, 88) in optical communication with the LED module (16, 36, 86). A zoom apparatus (20, 40, 90) selectively adjusts the relative axial separation of the optical system and the LED module (16, 36, 86). In one embodiment (30), the zoom apparatus (40) is slidably adjustable. In a another embodiment (80), the zoom apparatus (90) is rotatably adjustable.

Abstract: A solid state lamp includes a mounting area adapted to contain a light emitting diode (LED) chip and a suspension media which physically isolates the diode from the mounting area. The suspension media, while substantially optically transparent, includes suspended phosphor particles for down conversion and scattering of LED emissions. Additionally, the suspension media includes thermal conductivity additives to improve device thermal conductivity in higher power operations.

Abstract: An illumination system with multiple lamps is provided for increasing the Lumens of projected images. In the system, light guiding means having at least two light tunnels and lamps are used for guiding light emitted from the lamps to a beam splitter so that the light beams from the different lamps are converged into one single light beam, thereby increasing the power of light.

Abstract: A work light for work or task areas which uses light-emitting diodes (LEDs) as the source of light. LED clusters are mounted on a circuit board which is located in a housing. The LED work lights may be powered by conventional 120 or 240-volt electrical outlets, a DC generator, a battery, a battery pack, or a car adapter.

Abstract: The invention is directed to provide a vehicle interior illumination device which has a high illuminating effect and which can be used for various kinds of illumination in a vehicle. The illumination device disposed in a roof portion of the interior of a vehicle, including: a first light-emitting section having a first light source constituted by a plurality of first LEDs disposed at substantially regular spaces; and a second light-emitting section having a second light source constituted by a second LED, and a second outer lens with which a light emission side of the second light source is covered and by which light emitted from said second light source is converged and radiated out.

Abstract: A method of providing light includes generating white light from a plurality of white light sources, focusing the white light into beams of white light, transferring the beams of white light to a plurality of light guides to create guided beams, combining the guided beams in a main light guide to create a single combined guided beam, and emitting the single combined guided beam from the main light guide.

Abstract: A lighting device having a three-way conductor strip with three conductors extending in an axial direction and electrically connected at intervals to LED elements arranged in a row. Each LED element is in a plastic housing which surrounds the LED and the conductor strip, is light emitting and may have a lens over the LED. The housing includes two shells fixed together, and with supporting elements therein for an LED element, an adjacent axial conductor strip area and a heat activatable electrically conductive material. The three-way conductor strip comprises a continuous positive conductor, a continuous negative conductor and an interrupted central conductor that extends from LED element to LED element.