Patent application number | Description | Published |
20120261690 | LIGHT EMITTING DIODE WITH MICRO-STRUCTURE LENS - A light emitting diode (LED) with a micro-structure lens includes a LED die and a micro-structure lens. The micro-structure lens includes a convex lens portion, at least one concentric ridge structure surrounding the convex lens portion, and a lower portion below the convex lens portion and the at least one concentric ridge structure. The lower portion is arranged to be disposed over the LED die. A first optical path length from an edge of the LED die to a top center of the microstructure lens is substantially the same as a second optical path length from the edge of the LED die to a side of the micro-structure lens. | 10-18-2012 |
20120292655 | LIGHT EMITTING DIODE CARRIER - A light emitting diode (LED) carrier assembly includes an LED die mounted on a silicon submount, a middle layer that is thermally conductive and electrically isolating disposed below the silicon submount, and a printed circuit board (PCB) disposed below the middle layer. The middle layer is bonded with the silicon submount and the PCB. | 11-22-2012 |
20120306341 | LIGHT-EMITTING-DIODE-BASED LIGHT BULB - The embodiments of a light-emitting-diode-based (LED-based) light bulb and an LED assembly described provide mechanisms of reflecting generated by LED emitters toward the back of the LED-based light bulb. An upper substrate and a lower substrate are used to support upper and lower LED emitters. A slanted and reflective surface between the upper substrate and the lower substrate reflects light generated by the lower LED emitters toward the backside of the LED-based light bulb. | 12-06-2012 |
20130027946 | WIDE ANGLE BASED INDOOR LIGHTING LAMP - The present disclosure provides one embodiment of an illumination structure. The illumination structure includes a light-emitting diode (LED) device on a substrate; a lens secured on the substrate and over the LED device; and a diffuser cap secured on the substrate and covering the lens, wherein the lens and diffuser cap are designed and configured to redistribute emitting light from the LED device for wide angle illumination. | 01-31-2013 |
20130039041 | LIGHTING DEVICE FOR DIRECT AND INDIRECT LIGHTING - A lighting device includes at least one heat sink. At least two light emitting diode (LED) modules are mounted on the at least one heat sink. The at least two LED modules are mounted at different directions on the at least one heat sink so that a first LED module of the at least two LED modules generally radiates lights in a first direction for a direct lighting and a second LED module of the at least two LED modules generally radiates light in a second direction for an indirect lighting by reflecting on a surface. | 02-14-2013 |
20130094180 | COATED DIFFUSER CAP FOR LED ILLUMINATION DEVICE - The present disclosure provides an illumination device. The illumination device includes a light emitting device (LED) on a substrate. A heat sink is thermally connected to the LED device. A cap is secured over the substrate and covers the LED device. The cap includes a coating material that comprises both diffusion and reflection characteristics. | 04-18-2013 |
20130120982 | LIGHTING APPARATUS HAVING IMPROVED LIGHT OUTPUT UNIFORMITY AND THERMAL DISSIPATION - The present disclosure involves a lighting apparatus. The lighting apparatus includes a photonic device that generates light. The lighting apparatus includes a printed circuit board (PCB) on which the photonic device is located. The lighting apparatus includes a diffuser cap having a curved profile covering the PCB and the photonic device. The diffuser cap has a textured surface for scattering light generated by the photonic device. The lighting apparatus includes a thermally conductive cup that surrounds the diffuser cap and thermal conductively coupled to the PCB. The cup has a reflective inner surface that reflects light transmitting through the diffuser cap. The lighting apparatus includes a heat dissipation structure for dissipating heat generated by the photonic device. The heat dissipation structure is thermally coupled to the cup. | 05-16-2013 |
20130155673 | LED LIGHTING APPARATUS WITH FLEXIBLE LIGHT MODULES - The present disclosure involves a street light. The street light includes a base, a lamp post coupled to the base, and a lamp head coupled to the lamp post. The lamp head includes a housing and a plurality of LED light modules disposed within the housing. The LED light modules are separate and independent from each other. Each LED light module includes an array of LED that serve as light sources for the lamp. Each LED light module also includes a heat sink that is thermally coupled to the LED. The heat sink is operable to dissipate heat generated by the LED during operation. Each LED light module also includes a thermally conductive cover having a plurality of openings. Each LED is aligned with and disposed within a respective one of the openings. | 06-20-2013 |
20130201669 | LED ILLUMINATION APPARATUS WITH IMPROVED OUTPUT UNIFORMITY - The present disclosure involves an LED illumination apparatus. The illumination apparatus includes a substrate and a plurality of LED modules disposed over the substrate according to a predefined layout pattern. The layout pattern includes a row having a vertically-aligned LED module located laterally adjacent to a first horizontally-aligned LED module and a second horizontally-aligned LED module. The layout pattern also includes a column having a horizontally-aligned LED module located laterally adjacent to a first vertically-aligned LED module and a second vertically-aligned LED module. The layout pattern further includes a row of horizontally-aligned LED modules located laterally adjacent to one another. The illumination apparatus also includes a diffuser disposed over the plurality of LED modules. Each LED module also includes a secondary optical component providing an asymmetric light pattern. The plurality of LED modules provides a linear light distribution or a planar light distribution on the diffuser. | 08-08-2013 |
20140198499 | LED Lighting Apparatus with Flexible Light Modules - The present disclosure involves a street light. The street light includes a base, a lamp post coupled to the base, and a lamp head coupled to the lamp post. The lamp head includes a housing and a plurality of LED light modules disposed within the housing. The LED light modules are separate and independent from each other. Each LED light module includes an array of LED that serve as light sources for the lamp. Each LED light module also includes a heat sink that is thermally coupled to the LED. The heat sink is operable to dissipate heat generated by the LED during operation. Each LED light module also includes a thermally conductive cover having a plurality of openings. Each LED is aligned with and disposed within a respective one of the openings. | 07-17-2014 |
20140293615 | WIDE ANGLE BASED INDOOR LIGHTING LAMP - The present disclosure provides one embodiment of an illumination structure. The illumination structure includes a substrate. A light-emitting diode (LED) is disposed over the substrate. A first lens is disposed over the LED. A second lens is disposed over the first lens. The first lens and the second lens are configured to refract light that is emitted by the LED backward. | 10-02-2014 |
20140307435 | LIGHT-EMITTING-DIODE-BASED LIGHT BULB - A lighting apparatus includes a first substrate, a plurality of first light-emitting devices disposed on the first substrate, a second substrate disposed over the first substrate, and a plurality of second light-emitting devices disposed on the second substrate. A reflective surface is disposed between the first substrate and the second substrate. The reflective surface is configured to reflect light emitted by at least some of the first light-emitting devices in a direction that is at least partially toward the first substrate. The reflective surface has one of: a saw-patterned side view profile, or a curved side view profile that is free of having an inflection point. | 10-16-2014 |