Abstract: Bioactive display systems for displaying digital content. The display systems have one or more LED-based lighting channels adapted to generate one or more of a long red near infrared (LRNE) red light, a circadian-inducing blue light output in first operational mode and a less-circadian-inducing blue light output in a second operational mode. The bioactive lighting can have a first circadian-stimulating energy characteristic related to the associated first spectral power distributions of light generated in the first operational mode, and the non-circadian-inducing blue light can have a second circadian-stimulating energy characteristic related to the associated second spectral power distribution of light generated in the second operational mode. Disclosure methods of generating digital display content with the display systems described herein.

Abstract: A display comprising: (a) an array of pixels, each pixel comprising at least four subpixels, said at least four subpixels comprising a red subpixel (R), a green subpixel (G), a cyan subpixel (C), and a violet subpixel (V); and (b) a controller for controlling said subpixels in two or more modes, a first mode having a first gamut in which said R, G, and V are driven, and a second mode having a second gamut, said second gamut having two sub-gamuts, a first sub-gamut in which said R, C and G are driven, and a second sub-gamut in which said R, C, and V are driven.

Abstract: A display comprising: (a) a plurality of pixels, each pixel comprising at least one tunable light emitter to emit tuned light in at least two modes, a low equivalent melanopic lux (EML) mode and a high EML mode, wherein said tuned light in either said low EML mode or said high EML mode spans substantially the visible light range; and (b) circuitry to drive said at least one tunable light emitter in said at least two modes.

Abstract: Lighting system having visible-light source including semiconductor light-emitting devices arranged for generating plurality of visible-light emissions having range of color points including cool to very cool white color point for daytime and warm to very warm white color point for nighttime. Optical system arranged for causing some visible-light emissions to have range of beam widths including relatively wide and narrow beam widths. Mounting system causing range of beam directions. Control system causing visible-light emissions to include daytime configuration having cool to very cool white color point and relatively wide beam width, and nighttime configuration having warm to very warm white color point and relatively narrow beam width. Daytime configuration includes control system for causing visible-light emissions to include lateral- or up-light emissions, promoting relatively high equivalent melanopic lux.

Abstract: A method includes sensing data indicative of a plurality of wavelengths of light utilizing one or more sensors forming a part of a sensor ring, storing the data on a memory device forming a part of the sensor ring, transmitting the data to a computing device external to the ring and receiving a photic environmental model from the computing device the photic environmental model based, at least in part, on the data.

Abstract: A method includes determining a first amount of equivalent melanopic lux (EML) based on an actual time of day or an intended time of day, providing, via one or more sources, light configured to emit a first set of spectra that causes the first amount of EML and providing a light guide configured to receive and reflect the light toward an electronic paper (e-paper) display, the light guide being in front of the e-paper display in relation to the reader.

Abstract: An artificial sunlight system for wall installation comprising: one or more modules, each module comprising at least the following, (a) a frame configured to be installed on a wall; (b) at least one panel supported by said frame, said panel having first and second ends and an emission surface for emitting panel light, and said panel being configured to emit said panel light away from said wall when said frame is installed on said wall; and (c) at least one ceiling light emitter supported by said frame, said ceiling light emitter being configured to emit ceiling light upward toward a ceiling when said frame is installed on said wall.

Abstract: A light source for emitting emitted light to reduce microbial load, said light source, comprising: (a) at least one first light source for emitting first light having a peak wavelength less than 400 nm; and (b) at least one second light source for emitting a second light; wherein said emitted light comprises a combination of said first light and said second light, wherein said emitted light has a spectral power distribution (SPD), wherein said SPD has a first power in said SPD between 350 nm and 800 nm, and a second power in said SPD between 350 nm and 420, wherein said second power is at least 40% of said first power, and wherein said emitted light has a CRI of at least 80.

Abstract: Lighting system having visible-light source including semiconductor light-emitting devices arranged for generating plurality of visible-light emissions having range of color points including cool to very cool white color point for daytime and warm to very warm white color point for nighttime. Optical system arranged for causing some visible-light emissions to have range of beam widths including relatively wide and narrow beam widths. Mounting system causing range of beam directions. Control system causing visible-light emissions to include daytime configuration having cool to very cool white color point and relatively wide beam width, and nighttime configuration having warm to very warm white color point and relatively narrow beam width. Daytime configuration includes control system for causing visible-light emissions to include lateral- or up-light emissions, promoting relatively high equivalent melanopic lux.

Abstract: A light panel comprising a waveguide having an emission surface for emitting emitted light, and multiple light sources having at least first and second colors, said multiple light sources being optically coupled to said waveguide to create a color gradient between said first and second colors across said emission surface.

Abstract: A method includes sensing data indicative of a plurality of wavelengths of light utilizing one or more sensors forming a part of a sensor ring, storing the data on a memory device forming a part of the sensor ring, transmitting the data to a computing device external to the ring and receiving a photic environmental model from the computing device the photic environmental model based, at least in part, on the data.

Abstract: The present disclosure provides bioactive lighting systems suitable for generating white light. The lighting systems has lighting channels configured to produce white light having a color point and a spectral power distribution./The combination of emissions from selected channels results in white light having adjusted color points. The system is controlled to selectively increase or decrease CSE and to selectively provide LRNE.

Abstract: Bioactive display systems for displaying digital content. The display systems have one or more LED-based lighting channels adapted to generate one or more of a long red near infrared (LRNE) red light, a circadian-inducing blue light output in first operational mode and a less-circadian-inducing blue light output in a second operational mode. The bioactive lighting can have a first circadian-stimulating energy characteristic related to the associated first spectral power distributions of light generated in the first operational mode, and the non-circadian-inducing blue light can have a second circadian-stimulating energy characteristic related to the associated second spectral power distribution of light generated in the second operational mode. Disclosure methods of generating digital display content with the display systems described herein.

Abstract: A lighting system for emitting emitted light, said light system comprising: (a) a first light source for emitting a first light; (b) a second light source for emitting UVB light, wherein said emitted light comprises a combination of said first light and said UVB light; and (c) a controller for said second light source configured to deliver a dose of said UVB to at least one target sufficient to cause vitamin D synthesis in said target.

Abstract: A display comprising (a) a front lit or back lit display; (b) a light source for lighting the display, the light source comprising a violet emitter for emitting violet light having a peak wavelength of 400 to 430 nm and phosphor emitter excited by the violet light and emitting yellow-green light having a peak wavelength of 530 to 620 nm; (c) wherein a combination of the violet light and the yellow green light produces white light; (d) wherein the white light has a color rendering index less than 70.

Abstract: An artificial sunlight system for wall installation comprising: one or more modules, each module comprising at least the following, (a) a frame configured to be installed on a wall; (b) at least one panel supported by said frame, said panel having first and second ends and an emission surface for emitting panel light, and said panel being configured to emit said panel light away from said wall when said frame is installed on said wall; and (c) at least one ceiling light emitter supported by said frame, said ceiling light emitter being configured to emit ceiling light upward toward a ceiling when said frame is installed on said wall.

Abstract: A light source for emitting emitted light to reduce microbial load, said light source, comprising: (a) at least one first light source for emitting first light having a peak wavelength less than 400 nm; and (b) at least one second light source for emitting a second light; wherein said emitted light comprises a combination of said first light and said second light, wherein said emitted light has a spectral power distribution (SPD), wherein said SPD has a first power in said SPD between 350 nm and 800 nm, and a second power in said SPD between 350 nm and 420, wherein said second power is at least 40% of said first power, and wherein said emitted light has a CRI of at least 80.

Abstract: A method includes determining a first amount of equivalent melanopic lux (EML) based on an actual time of day or an intended time of day, providing, via one or more sources, light configured to emit a first set of spectra that causes the first amount of EML and providing a light guide configured to receive and reflect the light toward an electronic paper (e-paper) display, the light guide being in front of the e-paper display in relation to the reader.

Abstract: Lighting system having visible-light source including semiconductor light-emitting devices arranged for generating plurality of visible-light emissions having range of color points including cool to very cool white color point for daytime and warm to very warm white color point for nighttime. Optical system arranged for causing some visible-light emissions to have range of beam widths including relatively wide and narrow beam widths. Mounting system causing range of beam directions. Control system causing visible-light emissions to include daytime configuration having cool to very cool white color point and relatively wide beam width, and nighttime configuration having warm to very warm white color point and relatively narrow beam width. Daytime configuration includes control system for causing visible-light emissions to include lateral- or up-light emissions, promoting relatively high equivalent melanopic lux.

Abstract: A backlight for a display for emitting at least first and second emitted light, said backlight comprising a violet LED for emitting violet light, a cyan LED for emitting cyan light, red QDs (RQDs) for emitting red light, green QDs (GQDs) for emitting green light, a driver configured at least for driving said violet LED in a first mode, and driving said cyan LED in a second mode, wherein in said first mode, said violet LED is driven to emit said violet light, a portion of which is absorbed by said RQDs and said GQDs to emit said red light and green light respectively, said cyan LED is driven to emit said cyan light, a portion of which is absorbed by said RQDs and said SGQDs to emit said red light and short green light respectively.