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CREE multi-chip LED modeled in LightTools.
Philips Lumileds K2 LEDs with secondary optics, modeled in LightTools.
Photorealistic rendering of an unlit Philips Lumileds K2 LED.
The geometry of the Philips Lumileds K2 LED was modeled in SOLIDWORKS.
A cross-section of the Philips Lumileds K2 model in LightTools.
The performance of an LED collimator before and after optimization.
Philips Lumilds Luxeon LED with multiple phosphors.
Catalog of models of several major LED manufacturers.
Photorealistic rendering of three LEDs with collimators in a corner.
Rendering of five LEDs with collimators in a corner.
Photorealistic rendering of an OSRAM OStar shone into a mixing rod.
Montage of the performance of an OSRAM OStar and a mixing rod.
Photorealistic Rendering of a speedometer and needle backlit with LEDs.
LED and collimator section with superimposed spatial performance.
Montage of the performance of a 16 SnapLED taillamp.
An LED taillamp after being imported into LightTools from a CAD package.
Photorealistic rendering of the lit appearance of a Philips Lumileds K2 LED.
Example of a facetted reflector flashlight with a side-emitting LED.
Photorealistic rending looking back into a CPC at the RGGB LED source.
Photorealistic rendering looking back into a twisted CPC at the RGGB LED source.
Sample design for a legal, 1-LED U.S. taillamp.
Sample design for a thin, legal, 1-LED U.S. taillamp.
Three LED source models in a row: 1 red, 1 blue, and 1 green.
An LED map lamp was optimized for uniformity over the high-lighted dashboard surface.
Montage showing a room scene illuminated by an LED fixture with the show reflector.
An LED street lamp comprised of many CREE LEDs.
Optical Design Model: LED Headlamp.
Cutaway of an LED-Driven Backlight Display showing the device structure and output illuminance map.
Lit appearance rendering of a cellphone backlight and buttons.
Unlit appearance rendering of a cellphone on a chessboard.
The merit function progression of a backlight pattern optimization.
Screen capture of a non-uniform backlight pattern optimization.
Screen capture of a backlight pattern optimization.
Multiple views of a retro-reflective plate using 3D textures.
Multiple views of an edge-lit CCFL backlight light guide.
Representation of the merit function of a backlight pattern optimization.
Edge-lit backlight light guide with exaggerated extraction features.
Edge-lit light guide with diffuser and crossed brightness enhancing films.
Plate of rotated arcuate 3D textures.
Plate of micro-corner-cube reflectors.
Plate of ellipsoid textures.
Fly's Eye lens plate made by using user-defined 3D textures.
Modeling Transflective LCD Illumination Systems.
Optimization of Illumination Schemes in a Head-Mounted Display Integrated with Eye-tracker.
Luminaire modeled in LightTools.
Filament modeled in LightTools.
CFL bulb modeled in LightTools.
False color image and illuminance chart of lit gas station modeled in LightTools.
LED street lighting illuminance modeled in LightTools.
LED street lamp modeled in LightTools.
Lit rendering of a room scene with LED illumination.
Photorealistic rendering of a table lamp.
Photorealistic rendering of a runway threshold/end light.
Shows a locus of simulated color points around the blackbody locus.
A street lamp and its far-field intensity distribution using intensity slices.
A facetted, parabolic flashlight for a side-emitting LED.
The utility creates an apodized source from the IES distribution.
Lit appearance of the modified Cornell box model.
Various 1D- and 2D-scans show the reflectance at various angles of incidence.
Montage of the simulation and results of a facetted reflector.
The near-field illuminance and far-field intensity of an LED collimator.
Striations in the quasi-near field illuminance match LightTools predictions.
A photorealistic rendering of a bicycle lamp.
LED Light Fixture Design for Pathway Marking in a Park.
Umbrella - an LED Parking Lot Fixture.
Novel Light Fixtures for General Illumination.
Io Decorative Pendant Luminaire.
Turbine Reflector Design and Prototype Testing.
LightTools includes specialized utilities to help designers model and analyze solar collection systems.
The luminescent dye was modeled using the phosphor modeling capabilities of LightTools.
The bottom-right graph shows, for various tilts, the collected power of the Fresnel lens system.
A user-defined variable tracks the sun and tilts each of the heliostats for best focus.
Each of the troughs is a perfect involute that reflects light onto all sides of the tube.
The concentrator utility is used to easily create CPCs, CECs, CHCs, and involutes.
A rendering of an office with (bottom) and without (top) a micro-prism film.
A diagram showing each of the Bezier parameters for a skinned CPC.
Rendering of taillamp.
Photorealistic rendering of a Ferrari.
Photorealistic rendering of a Cobra against a black background.
Photorealistic rendering of a Cobra against a white background.
Montage of the design and performance of an LED taillamp.
Photorealistic Rendering of the lit appearance of a Sylvania 3157K automotive bulb.
Photorealistic rendering of the unlit appearance of a Sylvania 3157K automotive bulb.
Close-up images of the filament of an H7 headlamp bulb.
3D representation of an H7 headlamp bulb and its intensity distribution.
Photorealistic rendering of an LED speedometer.
Model any illumination system with LightTools' powerful design, analysis, and optimization features.
An H7 headlamp bulb from SOLIDWORKS that has been linked into LightTools.
Shows the reflector and lens mounting.
Headlamp intensity distribution in greyscale.
A projector headlamp showing the pass/fail status of various test points in FMVSS 108.
Rendering of a roadscene with headlamps and LED streetlighting.
A facetted taillamp reflector with full-height vertical flutes.
The rays show the light that propagates through a certain reflector and lens facet.
A lit rendering of a projector headlamp sitting on a tabletop.
Lit rendering of a taillamp with a facetted reflector and lens.
LightTools Macro for Automotive Lamp Lens Design.
The length of the baffle/tube determines the amount of off-axis light that reaches the detector.
Uncontrolled light from the LED bounces off of the optic side-wall.
Stray light path through an injection molded lens system.
Simple design for a three-channel LCD projector from an arc source.
Example of a Kohler lenslet array.
Montage of many aspects of projection system design: optics, coatings, performance, etc.
Photorealistic rendering of a projection system and its image on a screen.
Montage of a DMD and a simple prism.
Montage showing the solid model of a DMD with the mirrors in the base and ON state.
Annotated diagram of a DMD projector system.
Rendering of three LEDs with collimators in a corner.
Rendering of the K2 when lit.
Rendering of the Ferrari.
Rendering of a square-to-hex color mixing rod.
Rendering of a LED-illuminated speedometer dial and needle.
Rendering of the office with furniture and blinds.
Rendering of crystal and wood chess pieces.
Rendering of white light passing through a highly dispersive dove prism.
Rendering of a table lamp in a corner.
Rendering of a cellphone scene with an off-screen light source.
Rendering of the lit cellphone scene.
Rendering of the Cobra against a black background.
Rendering of the Cobra against a white background.
Rendering of the Cornell box model with a crystal sphere.
Unlit rendering of a 3157 taillamp bulb.
Unlit rendering of the K2 LED.
Lit rendering of a L-861E lamp with Fresnel lenses.
Lit rendering of a vehicle headlamps on a street.
Rendering of a facetted-reflector flashlight.
Rendering of the difference in color temperature of LED vs. fluorescent lighting.
Rendering of a projector and its projected image.
A rendering of a field of round brilliant-cut diamonds.
A rendering of a diamond ring with three stones.
A rendering of a round brilliant cut diamond with a single overhead source.