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LED with structured layers and nanophosphors

A nanoparticle, photonic nanotechnology, applied in the field of LEDs with structured layers and nanophosphors, can solve the problem of not being useful

Active Publication Date: 2020-09-25
LUMILEDS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such an angular spectrum is not a useful feature in applications requiring directional or collimated light emission

Method used

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  • LED with structured layers and nanophosphors
  • LED with structured layers and nanophosphors
  • LED with structured layers and nanophosphors

Examples

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Embodiment Construction

[0016] Examples of different light illumination system and / or light emitting diode implementations are described more fully hereinafter with reference to the accompanying drawings. These examples are not mutually exclusive, and features found in one example may be combined with features found in one or more other examples to achieve additional embodiments. Accordingly, it will be understood that the examples shown in the drawings are provided for illustrative purposes only and that they are not intended to limit the present disclosure in any way. Like numbers refer to like elements throughout.

[0017] It will be understood that, although the terms first, second, third etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms can be used to distinguish one element from another. For example, a first element could be termed a second element, and a second element could be termed a first element, without departing from...

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Abstract

A device comprising a light emitting diode (LED) substrate, and a meta-molecule wavelength converting layer positioned within an emitted light path from the LED substrate, the a meta-molecule wavelength converting layer including a plurality of nanoparticles, the plurality of nanoparticles configured to increase a light path length in the wavelength converting layer.

Description

[0001] Cross References to Related Applications [0002] This application claims U.S. Provisional Application No. 62 / 609,085, filed December 21, 2017, U.S. Provisional Application No. 62 / 609,520, filed December 22, 2017, European Patent No. 18161535.2, filed March 13, 2018 application and the benefit of European Patent Application No. 18161807.5, filed March 14, 2018, and US Nonprovisional Application No. 16 / 228,522, filed December 20, 2018, which are incorporated by reference as if fully set forth. Background technique [0003] The present invention relates to light emitting diodes (LEDs), and more particularly, to LEDs having structured layers and nanophosphors. A typical phosphor converted white LED uses a phosphor converter to down convert part of the blue pump light to other colors such as green, orange and red. Typically, phosphor converters are either phosphor particles in powder form embedded in a polymer film, or phosphor particles embedded in a solid medium such as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/14H01L33/50H01L33/58
CPCH01L27/156H05B33/145H01L33/505H01L33/502H01L33/32H01L33/46H01L2933/0091
Inventor V·A·塔马A·罗佩斯-茱莉亚
Owner LUMILEDS
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