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7618161 |
Fresnel lens and lighting apparatus provided with the Fresnel lens
In a Fresnel lens which is made of a lens material whose refraction index is n, and focuses light beam from a light source at a specified radiation view angle φ, and has plural N pieces of...
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7600894 |
Luminaires and optics for control and distribution of multiple quasi point source light sources such as LEDs
A light projection device of a stack of at least 2 LED light projection modules. Each module shares a common optical axis and each includes an LED at least partially surrounded by an off-axis...
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7588363 |
Illuminat system
An illumination system has linear array of light emitters (R, G, B, A, W) associated with it least one linear array of outcoupling means (O 1 , O 2 , O 3 , . . . ) for coupling light out of the...
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7585091 |
Light shades and lighting systems
Light shades and lighting systems that create a spectral effect when a lighting element is illuminated within the shade, and features that reflect light originating within the shade. Embodiments of...
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7581860 |
Headlight and headlight element
A headlight having a multitude of headlight elements, which each have at least one semiconductor chip which emits electromagnetic radiation; a primary optics element, which reduces the divergence...
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7581850 |
Light guide plate and backlight module using the same
A backlight module ( 20 ) includes a light guide plate ( 23 ), a reflecting member ( 21 ) and a plurality of light source ( 22 ). The light guide plate has a light incidence surface ( 231 ) and a...
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7575340 |
Light-emitting diode light source system
A light-emitting diode light source system includes a plurality of light-emitting diode modules for providing light beams; a light-combining unit including a plurality of light incident sides and a...
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7572046 |
Structure of optic film
An optic film has a surface on which a plurality of rib-like micro light guides is formed. Each light guide includes a plurality of ridges, which are of different height and shows variation of...
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7566152 |
Vehicular lamp unit
A vehicular lamp unit including a flat-surfaced light source module and a projection lens that projects the image of light emitted from the light source module to the front as an inverted image....
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7566144 |
Broad beam light
A high efficiency, broad beam lighting device 30 having a converging lens 1 having a curved focal line 26 . A source of light comprising a plurality 9 of ceramic LED lamps disposed in an...
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7561336 |
Micro-optical device, spatial optical modulator and projector utilizing the micro-optical device
A micro-optical device includes a plurality of minute optical elements each having a curved surface operable to condense incident light. The minute optical elements are arranged at constant...
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7559672 |
Linear illumination lens with Fresnel facets
A linear Fresnel lens for LED illumination is configured initially by using a meridional flux-assignment method and is then corrected by assessing the three-dimensional flux distribution of...
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7553044 |
Light emitting diode signaling device and method of providing an indication using the same
An improved LED signaling device employing a number of LEDs arranged in a specific pattern. At least some of the LEDs are received in a corresponding reflective cavity with an associated output...
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7549769 |
LED lens for backlight
Disclosed herein is a Light Emitting Diode (LED) lens for a backlight. The LED lens includes an LED light source, a lens body, and a beam shaping element. The lens body is configured such that the...
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7547115 |
Package structure for light emitting diode and applications of the same
A light emitting diode (LED) package structure. In one embodiment, the LED package structure includes at least three lenses, each lens having a body portion with at least a first surface, a second...
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7545584 |
High intensity laser or diode-based lighting apparatus having integrated optics
A high intensity lighting apparatus ( 400 ) includes an outer housing ( 402 ); a curved support disk ( 414 ) having an array of diode or laser-based integrated light source ( 410 ) attached thereto...
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7540631 |
LED indicator lamp
An LED indication lamp has desired luminous intensity distribution characteristics without need for any light-emitting diode of a special shape. The LED indication lamp comprising a plurality of...
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7540630 |
Backlight module and scattering module for same
A scattering module and a backlight module comprising the scattering module are provided. The backlight module includes a plurality of light sources, while the scattering module includes a...
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7537347 |
Method of combining dispersed light sources for projection display
A method and system for combining light emitted by dispersed light sources for use in a projection display or similar system. A plurality of elongated and tapered light integrators are placed side...
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7534013 |
Illuminating devices using small PT sources including LEDs
In one form, there is a luminaire for providing uniform color and brightness from multiple small light sources, which includes a shallow plate of transparent material having a first surface which...
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7534009 |
Dual LED point-source assembly
A lighting device having a dual LED point-source assembly containing two high flux LEDs mounted facing each other with LED lenses positioned between the LEDs. At least one heat sink is attached to...
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7534008 |
Backlight unit and light source for use in same
A backlight unit includes a substrate, a plurality of light emitting diodes disposed at corners of a polygon or arranged side by side on the substrate, and a plurality of lenses coupled to the...
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7533994 |
Light source array for LCD applications
A light source ( 100 ) includes a plurality of light emitting devices ( 101 ), each of which output light that is collimated by a first focusing structure ( 103 ). The collimated light is input to...
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7527405 |
Infrared projector for vehicle
An infrared projector for a vehicle using a semiconductor light-emitting element that prevents a lens from becoming reddish by a red light component generated with infrared rays
includes: a...
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7503674 |
High-brightness diffusion plate with trapezoid lens
A high-brightness diffusion plate with trapezoid lens applied to a direct-type backlight module is disclosed. The high-brightness diffusion plate with trapezoid lens according to the present...
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7490951 |
LED lamps and LED driver circuits for the same
LED lamp has LEDs aimed rearwards with either a concave mirror to the rear of each LED, or one concave mirror to the rear of two or more LEDs, collecting the light from the LEDs to form a forward...
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7488089 |
Optical package, optical lens and backlight assembly having the same
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...
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7488084 |
Selectable beam lens for underwater light
A lens for a wet environment lighting device that has a fixture with an interior that has an opening, and at least one light source located within the fixture interior. Light from the light source...
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7478913 |
Back-lit displays with high illumination uniformity
A directly illuminated display unit has a display panel and one or more light sources disposed behind the display panel. A diffuser is disposed between the light source unit and the display panel...
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7470038 |
Diffuser having optical structures
A diffuser used in a backlight module including a plurality of light sources is disclosed. The diffuser according to the present invention makes a uniform light output. The diffuser includes a...
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7467876 |
Surface light source device
A surface light source device 1 includes a base member 3 provided with a plurality of point-source lines, each of which has a plurality of point sources 11 arranged in a line, and a plurality...
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7461948 |
Multiple light emitting diodes with different secondary optics
A plurality of light emitting diode dies (LED) with associated secondary optics, which produce different light distribution patterns, are combined to produce an efficient light source having a...
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7461944 |
LED lighting device
A lighting device ( 10 ) is provided which uses multiple LEDs to illuminate a target area. The lighting device includes first and second light emitting diodes ( 24, 26 ) spaced apart from each...
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7434963 |
Lighting system and optical projection structure therefore
A new lighting system is provided that is particularly useful in projecting light to a deck where pilots use night vision goggles (NVGs). The system comprises a pair of subsystems that project...
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7425078 |
Rotating LED beacon
A rotating beacon including a plurality of light emitting diodes and a plurality of reflectors is disclosed. The light emitting diodes are attached to one or more printed circuit boards mounted on...
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7416312 |
Multi-color light
A multi-color lighting device 30 capable of emitting light of at least two colors. A group 9 of LED lamps comprising a variety of colors each color having a plurality of LED lamps disposed in...
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7413327 |
Vehicle lighting fixture
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...
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7390107 |
LED signaling device for road traffic signals
The invention describes an optical signal transmitter device, in which a specific, predetermined emission characteristic or light density distribution is achieved solely by the arrangement of two...
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7357533 |
Light-emitting diode lighting device
A lighting device having one or more pair of side-emitting light-emitting diodes arranged end-to-end, one “flipped” relative to the other, such that the beam spreads of the LEDs complement one...
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7347585 |
Structure of direct type backlight module with high uniform emitting light
A structure of direct type backlight module with high uniform emitting light explores a design of lenticular lens of diffusing plate. The lenticular lens is against the central location of light...
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7334918 |
LED lighting array for a portable task light
An LED lighting array is disclosed wherein a plurality of light emitting devices disposed in at least first and second columns are mounted on a planar mounting surface to form an emission plane....
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7331681 |
Lighting apparatus with adjustable lenses or filters
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. Lenses and/or filters are adjusted in distance from...
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7320531 |
Multi-colored LED array with improved brightness profile and color uniformity
A backlight uses an array of red, green, and blue LEDs in a mixing chamber. The mixing chamber has reflecting surfaces and a top opening for illuminating LCD layers. A desired brightness profile...
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7318652 |
Versatile stand-mounted wide area lighting apparatus
A lighting effects system comprises an arrangement of lamp elements, such as light-emitting diodes (LEDs) or other light elements, on a panel or frame. The panel or frame may be relatively...
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7314299 |
Vehicle lamp and method of manufacturing the vehicle lamp
A vehicle lamp includes an inner lens having a rigid structure. The inner lens is elastically fitted into a lamp housing. By securing an outer lens to the lamp housing, the lamp housing is made to...
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7310186 |
Uniform multiple light source etendue
A method and apparatus emits light from multiple light sources and combines the etendue of the light sources such that the etendue is substantially uniformly distributed over an area.
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7303311 |
Lens having fresnel lens surface(s) and lighting apparatus using it
A lens comprising a transparent member having at least two surfaces, and a Fresnel lens surface provided on each of the two surfaces of the transparent member, the transparent member including a...
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7300179 |
Light sheet display using light strips with adjustable positions and orientations
An apparatus for generating light sheets useful in flame simulators or other lighting displays. The apparatus includes first and second light strips, which may include light emitting diodes of...
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7300177 |
Illumination system having a plurality of light source modules disposed in an array with a non-radially symmetrical aperture
Illumination systems are disclosed, which include a plurality of light source modules, each having a light-emitting surface, and a system of optical elements configured to image the emitting...
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7284884 |
Surface light source device, image display and light control plate
Primary light is directed to a light path control plate from at least one point-like light source. The light path control plate has an inner face on which projection-like transmission-reflection...
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