Light-emitting device and article
View Patent ↗A device comprising a light transmissive element, a nano-wire light-emitting device, and a light transmissive controller communicating with the nano-wire light-emitting device. The nano-wire light-emitting device, and the light transmissive controller, are supported by the light transmissive element. An article includes two or more of the devices.
1. A device, comprising:
a light transmissive element;
a nano-wire light-emitting device; and
a light transmissive controller communicating with the nano-wire light-emitting device;
wherein the nano-wire light-emitting device and the light transmissive controller are supported by the light transmissive element.
2. The device as defined in claim 1 , wherein the light transmissive element has a percentage transparency of greater than about 50 percent to light in the visible wavelength range.
3. The device as defined in claim 1 , wherein the light transmissive element comprises quartz glass or borosilicate glass.
4. The device as defined in claim 1 , wherein the light transmissive element comprises an organic polymer.
5. The device as defined in claim 1 , wherein the light transmissive controller is a transistor having a percentage transparency of greater than about 50 percent to light in the visible wavelength range.
6. The device as defined in claim 1 , wherein the nano-wire light-emitting device comprises:
an electrically conductive element that is light transmissive; and
a light-emitting nano-wire in electrical communication with the electrically conductive element, wherein the light-emitting nano-wire comprises a p-n diode or a p-i-n diode, or a plurality of p-n or p-i-n diodes.
7. The device as defined in claim 6 , wherein the i-layer comprises a quantum well or a plurality of quantum wells.
8. The device as defined in claim 6 , wherein the electrically conductive element comprises a metal or an electrically conducting polymer.
9. The device as defined in claim 8 , wherein the metal comprises aluminum, barium, calcium, chromium, gold, silver, nickel, palladium, platinum, titanium, copper, or tungsten.
10. The device as defined in claim 8 , wherein the metal is a metal oxide.
11. The device as defined in claim 10 , wherein the metal oxide comprises an n-type conductor.
12. The device as defined in claim 11 , wherein the n-type conductor comprises indium-tin oxide.
13. The device as defined in claim 10 , wherein the metal oxide comprises oxides of zinc, tin, or lanthanum.
14. The device as defined in claim 8 , wherein the electrically conducting polymer comprises polyacetylene, polypyrrole, polythiophene, polyaniline, polyfluorene, polynaphthalene, poly-p-phenylene sulfide, or poly-p-phenylene vinylene.
15. The device as defined in claim 6 , wherein the electrically conductive element further comprises a substrate that is light transmissive.
16. The device as defined in claim 15 , wherein the light transmissive substrate has a percentage transparency of greater than about 50 percent to light in the visible wavelength range.
17. The device as defined in claim 15 , wherein the light transmissive substrate comprises quartz glass or borosilicate glass.
18. The device as defined in claim 15 , wherein the light transmissive substrate comprises an organic polymer.
19. The device as defined in claim 15 , wherein the electrically conductive element has a percentage transparency of greater than about 50 percent to light in the visible wavelength range.
20. The device as defined in claim 6 , wherein the nano-wire light-emitting device includes multiple light-emitting nano-wire diodes each including a structure of a p-type semiconducting segment, an n-type semiconducting segment and a light-emitting layer.
21. The device as defined in claim 6 , wherein the nano-wire light-emitting device comprises a semi-conductor light-emitting material selected from the group consisting of gallium nitride, zinc selenide, gallium arsenide, and zinc oxide.
22. The device as defined in claim 6 , wherein the nano-wire light-emitting device further comprises a cover substrate disposed on the electrically conductive element.
23. The device as defined in claim 22 , wherein each of the nano-wire light-emitting device is grown on the electrically conductive element or on the cover substrate.
24. The device as defined in claim 1 , wherein the light transmissive controller is connected to at least two nano-wire light-emitting devices.
25. An article comprising a plurality of devices as defined in claim 1 , wherein the plurality of devices comprises at least a first device and a second device, each of the first and second devices having contacting surfaces defining a stack, wherein the light-emitting device in the first device comprises a red, green or blue light-emitting element, and the light-emitting device in the second device comprises a red, green or blue light-emitting element with the proviso that the light-emitting element of the second light-emitting device differs from the light-emitting element of the first light-emitting device.
26. The article as defined in claim 25 , further comprising a third layer in the stack comprising a red, green or blue light-emitting element with the proviso that the light-emitting element of the third layer, the light-emitting element of the second.
27. The article as defined in claim 25 , wherein a pixel visualizable by a viewer is a color defined by the on/off state of the light-emitting devices layers.
28. The article as defined in claim 25 , wherein the each of the plurality of devices are arranged relative to each other so that the most transmittable wavelength is transmitted from deeper in the stack.
29. The article as defined in claim 25 , further comprising at least one of a barrier layer, an abrasion resistant layer, an adhesion layer, a chemically resistant layer, a photoluminescent layer, a radiation-absorbing layer, a radiation reflective layer, a planarizing layer, an optical diffusing layer, or a light management film.