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| Number | Title | Issue Date |
| 8052291 | Solar simulator filter A solar simulator filter includes filter material configured to achieve class A performance for the spectral output of the optical source except between about 900 and 1,100 nm. Openings in the filter material increase the average effective transmittance between abou... | 11/08/2011 |
| 7510288 | Display device using external light A display device using external light and including: a light guide panel guiding light; an internal light source disposed on at least one side of the light guide panel and supplying internal light to the light guide panel; an optical filter disposed on a rear surfac... | 03/31/2009 |
| 7431466 | Solar simulator using a combination of mercury and halogen lamps A solar simulator combines mercury lamps and halogen lamps, to improve upon conventional solar simulators using halogen and infrared lamps which cannot recreate an environment close to that under real sunlight, and upon solar simulators using expensive and fragile m... | 10/07/2008 |
| 7367688 | Outdoor lighting lamp with water-resistant cover Lamp devices, apparatus, methods of use, and methods of assembly which can be used with a single suspension lamp and/or with a plurality of suspension lamps. Each lamp can have a lamp seat mounted on a tubular member that is fixed to a main body. The lamp seat can b... | 05/06/2008 |
| 7339739 | Active daylighting and active solar heating system and method A daylighting system for structures consisting of a solar energy collector means including a modified Cassegrainian optical system, a means of moving said collector means to an attitude tracking the sun's position in the sky during daylight hours, a heat separation ... | 03/04/2008 |
| 7331692 | Light beam projector with filter set rotating on its own axis A light beam projector has a light source and a reflector arranged to have light generated by the light source converge into a light beam. The reflector has a hollow curved surface with a focal point where the light source is positioned, and a filter able to change ... | 02/19/2008 |
| 7327074 | Illuminating devices employing titanium dioxide photocatalysts An illuminating device is made from a transparent hollow envelope that encloses a filler gas. The envelope has inner and outer surfaces. The illuminating device has a coating of a fluorescent material deposited on the inner surface of the transparent envelope where ... | 02/05/2008 |
| 7320532 | Nightlight for phototherapy A nightlight provides therapeutic effects on the human body and mind including promoting relaxation, sleep and wakefulness. The nightlight includes a housing, a light source, a central processor, one or more controls, and a power supply. The light source produces at... | 01/22/2008 |
| 7280439 | Sunlight simulating microprocessor alarm clock The present invention relates to an improved countermeasure for circadian and sleep disruption as caused by a traditional alarm clock. It incorporates a lighting system at the alarm clock that, prior to the preset waking time, will emit a light that gradually increa... | 10/09/2007 |
| 7213939 | Hue adjusting lighting system This disclosure describes a lighting apparatus comprising a light hue modulating device that generates compensating light to adjust the light to a desired hue within a space regardless of the hue of the ambient light within the room. ... | 05/08/2007 |
| 7178926 | Illumination device for use in daylight conditions An illumination device for use in daylight conditions includes a light-diffusing member provided with one or more dyes and a light source extending along and positioned adjacent a light-receiving surface of the light-diffusing member, with the light source emitting ... | 02/20/2007 |
| 7131989 | Apparatus and method for applying a sequence of therapeutic lights to specific points on a patient's body A light therapy system that exposes specific light frequencies to specific points on a patient's body. The light varies both in frequency and in length of exposure. A broad range of light frequencies are intermittently directed to chakra points on a patient's body. ... | 11/07/2006 |
| 7083293 | Multiple color temperature video, task or reading light system A selectable lighting system and method that uses multiple cool burning compact fluorescent light bulbs of different color temperatures to provide lighting that is a mix of different color temperatures that can be selected and/or mixed to illuminate subjects of vide... | 08/01/2006 |
| 7048409 | Luminaire A luminaire (1) or a system of a first luminaire (1) and a second luminaire (11) for lighting an object (V). Each luminaire has a housing (2; 12) provided with a plurality of tubular lamps (3, 3′, 3″; 13). The housing (2; 12) h... | 05/23/2006 |
| 6957907 | Illumination apparatus having a light-converting lens for increasing visual contrast between different oral tissues A tissue illumination apparatus is useful in identifying caries, calculus, fractures, diseases or other defects in tissues within the oral cavity. The tissue illumination apparatus includes a light emitting device and at least one focusing lens. The lens may be conf... | 10/25/2005 |
| 6930774 | Method and apparatus for producing unique radiation spectra Apparatus and methods are disclosed for providing a desired spectral intensity profile from a broadband light source. The apparatus comprises separation means for separating light provided by the broadband light source into radiation having a continuum of wavelength... | 08/16/2005 |
| 6921182 | Efficient LED lamp for enhancing commercial and home plant growth A first set of orange LEDs with a peak wavelength emission of about 612 nanometers, a second set of red light emitting LEDs with a peak wavelength of about 660 nanometers, and blue light LEDs. Two beam spreads, 15° and 30°, were provided for both the 660 nm LEDs a... | 07/26/2005 |
| 6902296 | Nightlight for phototherapy A nightlight is provided for providing therapeutic effects on the human body and mind including promoting relaxation, sleep and wakefulness. The nightlight includes a housing, a light source, a central processor, one or more controls, and a power supply. The light s... | 06/07/2005 |
| 6840645 | Light tube system for distributing sunlight or artificial light singly or in combination Hybrid lighting systems use light distributor tubes to distribute artificial light and natural sunlight through the same distributor tubes. Devices for gathering uncollimated light from conventional sources (such as electrically energized arcs or filaments housed in... | 01/11/2005 |
| 6811284 | Method and device for modifying the irradiance distribution of a radiation source The invention is related to a method and apparatus for modifying the irradiation distribution of a radiation source. In accordance with the method the radiation source (1) is used to direct radiation to an essentially planar target surface (6). In acco... | 11/02/2004 |
| 6590149 | Solar simulator with movable filter A solar simulator is provided having a radiation source for generating radiation with a spectral (energy) distribution that largely corresponds to the spectral distribution of sunlight. At least one filter is arranged in the region of the radiation source... | 07/08/2003 |
| 6554439 | Illumination apparatus for simulating dynamic light conditions An apparatus for generating artificial light that closely simulates the intensity and spectrum of natural light and other dynamic light conditions. The apparatus includes a collection of light sources of various colors which are controlled by a computer. ... | 04/29/2003 |
| 6129438 | Skin light exposure control methods A method to improve the probability for good health and decrease the risk of cancer and disease comprising: controlling the indoor spectral radiation environment partial body exposure in an amount above 0.06 MED, but not exceeding 0.2 MED per day by irrad... | 10/10/2000 |
| 6116748 | Aisle lighting system A lighting system provided for illuminating a region of an aisle in a theater, auditorium or the like, comprises a light housing attached to an aisle-side of a row-end theater or auditorium seat. Four individual miniature electric light sources, preferabl... | 09/12/2000 |
| 6019476 | Full spectrum filtering for fluorescent lighting A filter in the form of a lens or panel or a sleeve for a fluorescent light source made with pigments therein that will modify the fluorescent output to resemble daylight. An ultraviolet absorber is also included in the panel.... | 02/01/2000 |
| 5961201 | Polychrome lighting device having primary colors and white-light sources with microprocessor adjustment means and remote control A polychrome lighting device, including at least one light source for each one of the three primary colors and elements for adjusting the light sources, the adjustment elements being adapted to independently control the adjustment of the luminous intensit... | 10/05/1999 |
| 5866994 | Illumination apparatus and frame to which the illumination apparatus is attached An illumination apparatus for illuminating paintings at least a part of which is painted by a particular paint that emits or reflects light upon reception of ultraviolet ray, has a first illumination lamp constituted of an ultraviolet lamp and a second il... | 02/02/1999 |
| 5855428 | Apparatus for obtaining a desired tint Apparatus for obtaining a desired tint comprising light colouring means in the form of a cylinder having a number of different regions of respective different colours forming a ring around the axis of the cylinder, and region which is neutral as regards c... | 01/05/1999 |
| 5828494 | Glass panel unit for refracting and dispersing light A panel unit for use in a window, a partition, a free standing frame, or in a wall, and having a plurality of vertically stacked, elongated transparent elements arranged in a frame, whereby natural light or artificial light on one side of the panel reflec... | 10/27/1998 |
| 5426569 | Method and apparatus for simulating atomospheric absorption of solar energy due to water vapor and CO2 A method and apparatus for improving the accuracy of the simulation of sunlight reaching the earth's surface includes a relatively small heated chamber having an optical inlet and an optical outlet, the chamber having a cavity that can be filled with a he... | 06/20/1995 |
| 5418419 | Lamp for producing a daylight spectrum A lamp for producing a spectral distribution which is substantially identical to daylight color temperature. The lamp contains a filament which, when excited by electrical energy, emits radiant energy at least within the visible spectrum with wavelengths ... | 05/23/1995 |
| 5379201 | Portable light for laptop computer A portable light for laptop computers comprising a battery pack and a light assembly selectively engageable in a use position with the light assembly extending perpendicular from the upper portion of the battery pack and slidably engaged within mounting c... | 01/03/1995 |
| 5367444 | Thermal management techniques for lighting instruments An automated lighting instrument according to the present invention includes multiple motorized parameters and operates at a low noise level with improved thermal management devices such as a reflector coated with a cold mirror film, a metallic heat sink,... | 11/22/1994 |
| 5359498 | Ultraviolet transmitting multi-layer polarizer An improvement in a multi-layer polarized light control panel comprising an ultraviolet transmitting acrylic supporting structure. Prior art multi-layer polarized light control panels are made with an ultraviolet absorbing acrylic supporting sheet, which ... | 10/25/1994 |
| 5329435 | Apparatus for producing light distributions An apparatus for generating a spectral distribution. This apparatus contains a light source and a single filter. The single filter is comprised of a color correcting filter material and a neutral density filter material. When the apparatus is adjusted, th... | 07/12/1994 |
| 5282115 | Apparatus for producing light distributions An apparatus for generating a spectral distribution. This apparatus contains a light source and a single filter. The single filter is comprised of a color correcting filter material and a neutral density filter material. When the apparatus is adjusted, th... | 01/25/1994 |
| 5276591 | Sign with indirect illumination from light emitting diodes An illuminated sign system using high brightness LEDs and a translucent graphic panel with suitable opacity for the transmission of light. The graphic panel is illuminated by light from the LEDs which is injected into the edge of the graphic panel causing... | 01/04/1994 |
| 5217285 | Apparatus for synthesis of a solar spectrum A xenon arc lamp and a tungsten filament lamp provide light beams that together contain all the wavelengths required to accurately simulate a solar spectrum. Suitable filter apparatus selectively direct visible and ultraviolet light from the xenon arc lam... | 06/08/1993 |
| 5193900 | Illumination device Provided is an illumination device in which natural light having a correlated color temperature equivalent to that of artificial light can be obtained so that there is no feeling of physical disorder against the artificial light when the natural light is ... | 03/16/1993 |
| 5083252 | Apparatus for producing light distributions An apparatus for providing a light distribution which can simulate any desired lighting condition such as, for example, daylight, blackbody radiation, and the like. The apparatus contains a lighting source which provides polychromatic light. The polychrom... | 01/21/1992 |
