摘要:
Light emitting diode (LED) devices, components and systems are provided. Improved substrates for LEDs and LED devices are provided, with one or more dielectric layers over a reflective layer sufficient to minimize or eliminate damage of the dielectric layer(s). More stable and efficient LED devices can be produced using such improved substrates. LED devices, and methods of making the same, are also provided wherein LED chips are embedded in fill material to attach the LEDs to a substrate and increase light reflectivity.
摘要:
Light emitting diode components and devices with a wall of reflective material and having improved performance and beam angle, are provided. Reflective material provided with light emitting diode devices is configured to optimize light reflectivity by altering the composition, thickness, placement and/or angle thereof. Methods of making and assembly light emitting diode components and devices with reflective materials and improved performance, are also provided.
摘要:
Light emitter devices and methods are provided herein. In some aspects, emitter devices and methods provided herein are for light emitting diode (LED) chips and can include providing a substrate, a conductive trace over the substrate, and at least one or more direct attach LED chip over the substrate. A layer of non-conductive and reflective material is disposed over the surface of wherein the layer of reflective material covers at least 25% or more of a surface of the substrate.
摘要:
Light emitting devices and methods are disclosed. In one embodiment a light emitting device can include a submount and a plurality of light emitting diodes (LEDs) disposed over the submount. At least a portion of the submount can include a reflective layer at least partially disposed below a solder mask. One or more layers within the submount may include one or more holes, a rough surface texture, or combinations thereof to improve adhesion within the device. The device can further include a retention material dispensed about the plurality of LEDs. Devices and methods are disclosed for improved solder mask adhesion.
摘要:
Submount based light emitter components and related methods are disclosed. In some aspects, light emitter components include a reflective ceramic submount, at least one light emitter chip disposed over a first surface of the submount, a layer of optical conversion material disposed over portions of each of the at least one light emitter chip and the first surface of the submount, and a lens disposed over the layer of optical conversion material. The layer of optical conversion material and the lens define separate and discrete layers over the at least one light emitter chip and submount.
摘要:
Light emitting diode components and devices with a wall of reflective material and having improved performance and beam angle, are provided. Reflective material provided with light emitting diode devices is configured to optimize light reflectivity by altering the composition, thickness, placement and/or angle thereof. Methods of making and assembly light emitting diode components and devices with reflective materials and improved performance, are also provided.
摘要:
Light emitter devices, such as light emitting diode (LED) devices and related methods are disclosed. A light emitter device includes a ceramic based substrate, at least one LED chip disposed on the substrate, and a filling material. The ceramic substrate can include one or more surface features. The filling material can be disposed over and/or within a portion of the one or more surface features. Surface features can include one or more pedestals, trenches, holes, indentions, depressions, waves, and/or convexly or concavely curved surfaces. Surface features can improve optics of the LED device, for example, improving brightness, reflection, and/or light extraction associated with the device. Related methods are disclosed.
摘要:
Submount based light emitter components and related methods are disclosed. In some aspects, light emitter components include a reflective ceramic submount, at least one light emitter chip disposed over a first surface of the submount, a layer of optical conversion material disposed over portions of each of the at least one light emitter chip and the first surface of the submount, and a lens disposed over the layer of optical conversion material. The layer of optical conversion material and the lens define separate and discrete layers over the at least one light emitter chip and submount.
摘要:
Devices, components and methods containing one or more light emitter devices, such as light emitting diodes (LEDs) or LED chips, are disclosed. In one aspect, a light emitter device component can include a metallic substrate with a mirrored surface, one or more light emitter devices mounted directly or indirectly on the mirrored surface, and one or more electrical components mounted on the top surface and electrically coupled to the one or more light emitter devices, wherein the one or more electrical components can be spaced from the mirrored metal substrate by one or more non-metallic layers. Components disclosed herein can result in improved thermal management and light output.