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20107results about "Refractors" patented technology

Lighting assemblies and components for lighting assemblies

A lighting assembly, comprising a light engine assembly and a room-side element. The room-side element is in contact with the light engine assembly. The light engine assembly comprises at least one trim element and a light engine. The trim element defines a trim element internal space. The light engine comprises at least one solid state light emitter, and is positioned within the trim element internal space. Also, a lighting assembly, comprising a light engine assembly and means for dissipating heat from the light engine assembly.
Owner:IDEAL IND LIGHTING LLC

D-shaped cross section l.e.d. based light

A LED-based replacement light for a fluorescent socket is constructed such that a tubular housing has a D-shaped cross section with a flat base with opposing longitudinal edges, opposing sides extending generally perpendicular to the flat base from the opposing longitudinal edges, and a curved surface spanning the opposing sides opposite the flat base. A circuit board structure defines a LED-mounting side with multiple LEDs mounted on the LED-mounting side at predetermined intervals along a length of the circuit board, with at least areas of a primary heat transferring side directly underlying the respective LEDs in thermally conductive relation with the tubular housing for highly electrically insulated thermal transmission of heat generated by the multiple LEDs from the circuit board to an ambient environment surrounding an exterior of the tubular housing. At least one electrical connector is at a longitudinal end of the housing in electrical communication with the circuit board.
Owner:ILUMISYS

Illumination system particularly for microlithography

The invention concerns an illumination system, particularly for microlithography with wavelengths <=193 nm, comprising a light source, a first optical component, a second optical component, an image plane and an exit pupil. The first optical component transforms the light source into a plurality of secondary light sources being imaged by the second optical component in said exit pupil. The first optical component comprises a first optical element having a plurality of first raster elements, which are imaged into said image plane producing a plurality of images being superimposed at least partially on a field in said image plane. The first raster elements deflect incoming ray bundles with first deflection angles, wherein at least two of the first deflection angles are different. The first raster elements are preferably rectangular, wherein the field is a segment of an annulus. To transform the rectangular images of the first raster elements into the segment of the annulus, the second optical component comprises a first field mirror for shaping the field to the segment of the annulus.
Owner:CARL-ZEISS-STIFTUNG TRADING AS CARL ZEISS

Methods of cutting or forming cavities in a substrate for use in making optical films, components or wave guides

InactiveUS20050024849A1Small in in lengthSmall in widthMechanical apparatusFlat articlesEngineeringRidge
The methods involve using a tool to cut or form multiple optical element shaped cavities in a surface of a substrate without rotating the tool or substrate during the cutting or forming process. At least some of the cavities are cut or formed to have at least two surfaces that come together to form a ridge and that are quite small relative to the length and width of the substrate. Thereafter the substrate is used to form optical films, components or wave guides having multiple optical elements on at least one surface corresponding to the cavities in the substrate.
Owner:SOLID STATE OPTO

LED lighting device

The present invention relates to a lighting device using an LED. One embodiment of the invention provides a lamp-shaped LED lighting device that can replace a known lighting device. The lamp-shaped LED lighting device promptly emits the heat generated by an LED element, which influences the optical output and the lifespan of the LED lighting device, through a lamp-shaped frame with a heat-ventilation structure that facilitates air circulation. In addition, the lamp-shaped LED lighting device prevents glare from an LED light source by using a lateral reflecting member, a diffusion lens and a diffusion cover and diffuses the light from the light source widely without optical attenuation. Another embodiment of the invention provides a tube and panel-shaped LED lighting devices that can be replaced with a previous tube-shaped fluorescent light and a panel-shaped lighting device. The tube and panel-shaped LED lighting devices rapidly emit the heat generated by an LED element, which influences the optical output and the life span of the LED lighting device, through a tube and panel-shaped frame with a heat-sink structure. In addition, the tube and panel-shaped LED lighting devices prevent glare from the LED light source by optically arranging a curved reflecting plate, a diffusion plate and a diffusion window which include a diffusion lens at the upper portion of the LED element. Furthermore the tube and panel-shaped LED lighting devices diffuse the light from the LED light source widely without optical attenuation.
Owner:SOLARKOR
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