Patent application number | Description | Published |
20090014740 | LIGHT EMITTING DEVICES AND RELATED METHODS - Devices, such as light-emitting devices (e.g., LEDs), and methods associated with such devices are provided. A light-emitting device may include an interface through which emitted light passes therethrough. The interface having a dielectric function that varies spatially according to a pattern, wherein the pattern is arranged to provide light emission that has a substantially isotropic emission pattern and is more collimated than a Lambertian distribution of light. | 01-15-2009 |
20090034230 | ILLUMINATION ASSEMBLY INCLUDING WAVELENGTH CONVERTING MATERIAL HAVING SPATIALLY VARYING DENSITY - Illumination assemblies, components, and related methods are described. An illumination assembly can include at least one solid state light-emitting device, an emission surface through which light is emitted, and a wavelength converting material that wavelength converts at least some light emitted by the solid state light-emitting device. The wavelength converting material can have a first density per unit area of the emission surface at a first location and a second density per unit area of the emission surface at a second location, wherein the second density is substantially different from the first density, and wherein the density per unit area is defined with a 1×1 cm | 02-05-2009 |
20090034292 | ILLUMINATION ASSEMBLY INCLUDING WAVELENGTH CONVERTING MATERIAL - Illumination assemblies, components, and related methods are described. An illumination assembly can include at least one solid state light-emitting device, and at least one light guide including a light homogenization region configured to receive light emitted by the solid state light-emitting device and including a light output boundary. The light homogenization region substantially uniformly distributes light outputted over the light output boundary. A wavelength converting material can be disposed within at least a portion of the light homogenization region. In some assemblies, a light extraction region can be configured to receive light from the light output boundary of the light homogenization region, and can have a length along which received light propagates and an emission surface through which light is emitted. The light extraction region can include a wavelength converting material disposed within at least a portion of the light extraction region. | 02-05-2009 |
20090040745 | LIGHT EMITTING DEVICES INCLUDING WAVELENGTH CONVERTING MATERIAL - Light-emitting devices and associated methods are provided. The light emitting devices can have a wavelength converting material-coated emission surface. | 02-12-2009 |
20110012156 | LIGHT EMITTING DEVICES INCLUDING WAVELENGTH CONVERTING MATERIAL - Light-emitting devices and associated methods are provided. The light emitting devices can have a wavelength converting material-coated emission surface. | 01-20-2011 |
20110305002 | ILLUMINATION ASSEMBLY INCLUDING WAVELENGTH CONVERTING MATERIAL HAVING SPATIALLY VARYING DENSITY - Illumination assemblies, components, and related methods are described. An illumination assembly can include at least one solid state light-emitting device, an emission surface through which light is emitted, and a wavelength converting material that wavelength converts at least some light emitted by the solid state light-emitting device. The wavelength converting material can have a first density per unit area of the emission surface at a first location and a second density per unit area of the emission surface at a second location, wherein the second density is substantially different from the first density, and wherein the density per unit area is defined with a | 12-15-2011 |
20130062647 | LIGHT EMITTING DEVICES INCLUDING WAVELENGTH CONVERTING MATERIAL - Light-emitting devices and associated methods are provided. The light emitting devices can have a wavelength converting material-coated emission surface. | 03-14-2013 |
20140184573 | Electromechanical Systems Color Transflective Display Apparatus - This disclosure provides systems, methods and apparatus for modulating light in reflective and transmissive modes of operation. In one aspect, an apparatus may include an array of electromechanical systems (EMS) light modulators. Each light modulator can be configured to achieve at least three states, including a non-transmissive, non-reflective state, a light transmissive state in which the light modulator transmits light, and a first reflective state in which the light modulator reflects a color. | 07-03-2014 |
20150116297 | CIRCUITS AND METHODS FOR SWITCHING OF MEMS SYSTEMS - This disclosure provides systems, methods and apparatus for addressing an array of pixels in a display. In one aspect, an electromechanical device includes a movable element coupled between a first and second actuator, and a charge distribution circuit arranged to electronically couple the first actuator to the second actuator and capable of equalizing a potential between the first actuator and the second actuator. In certain implementation, a method for addressing an array of pixels in a display, where a given pixel in the array of pixels includes a light modulator coupled between first and second actuator capacitors, includes equalizing a potential between the first actuator capacitor and the second actuator capacitor prior to discharging and re-charging the actuator capacitors. Equalizing a potential may include transferring charge from one actuator capacitor to another actuator capacitor until the voltage across each actuator capacitor is approximately equal. | 04-30-2015 |