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US 11,201,270 B2Granted
Method for increasing the light output of microLED devices using quantum dots
AssigneeNanosys, Inc.
InventorErnest C. Lee
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Abstract
Illumination devices based on quantum dot technology and methods of making such devices are described. An illumination device includes a substrate having a plurality of microLEDs, a beam splitter, and a film having a plurality of quantum dots. The beam splitter includes a plurality of layers and is disposed between the substrate and the film having the plurality of quantum dots.
Claims20
A method of fabricating an illumination device, the method comprising:
- forming a plurality of microLEDs on a substrate;
- disposing a continuous layer of beam splitter in physical contact with top and side surfaces of the plurality of microLEDs, wherein continuous layer of the beam splitter comprises a plurality of stacked layers;
- and
- disposing a film comprising a plurality of quantum dots in physical contact with the continuous layer of beam splitter.
1 more element
A method of fabricating a display device, comprising:
- forming a plurality of microLEDs on a substrate;
- disposing a continuous layer of beam splitter in physical contact with top and side surfaces of the plurality of microLEDs to transmit light from the plurality of microLEDs;
- and
- disposing a plurality of quantum dots on the continuous layer of beam splitter.
1 more element
Dependencies are inferred from the claim text.