Device components with surface-embedded additives and related manufacturing methods
Active or functional additives are embedded into surfaces of host materials for use as components in a variety of electronic or optoelectronic devices, including solar devices, smart windows, displays, and so forth. Resulting surface-embedded device components provide improved performance, as well as cost benefits arising from their compositions and manufacturing processes.
1. A device comprising:
a first layer;
a second layer; and
an interlayer disposed between the first layer and the second layer, wherein the interlayer includes:
a polymeric film; and
a first type of nano-additives and a second type of nano-additives at least partially embedded into the polymeric film, wherein the first type of nano-additives are completely localized within a first embedding layer of the polymeric film, and wherein the second type of nano-additives are completely localized within a second embedding layer of the polymeric film, wherein the first embedding layer is different from the second embedding layer.
2. The device of claim 1 , wherein a thickness of the first embedding layer is less than an overall thickness of the polymeric film, a thickness of the second embedding layer is less than the overall thickness of the polymeric film, and a remainder of the polymeric film is devoid of any of the first type of nano-additives or the second type of nano-additives.
3. The device of claim 2 , wherein the thickness of the first embedding layer or the second embedding layer is no greater than 50% of the overall thickness of the polymeric film.
4. The device of claim 1 , wherein at least some of the first type of nano-additives or some of the second type of nano-additives partially extend out from a surface of the polymeric film.
5. The device of claim 1 , wherein at least some of the first type of nano-additives or some of the second type of nano-additives are fully embedded below a surface of the polymeric film.
6. The device of claim 1 , wherein at least one of the first type of nano-additives or the second type of nano-additives are patterned to form an array of interconnects.
7. The device of claim 6 , further comprising a metallization that is electrically connected to at least one of the interconnects.
8. The device of claim 1 , further comprising a display device, and the first layer, the interlayer, and the second layer are coupled to the display device.
9. The device of claim 1 , wherein the first embedding layer and the second embedding layer form a layered arrangement.
10. The device of claim 1 , wherein the first type of nano-additives and the second type of nano-additives are different types of nanowires.
11. The device of claim 1 , wherein the first type of nano-additives and the second type of nano-additives are different types of nanoparticles.
12. The device of claim 1 , wherein the first type of nano-additives are nanowires, and wherein the second type of nano-additives are nanoparticles.
13. The device of claim 1 , wherein the a first embedding layer is adjacent to a top embedding surface of the polymeric film, and wherein the second embedding layer is adjacent to a bottom embedding surface of the polymeric film.
14. A touch display comprising:
a first device layer;
an interlayer disposed on the first device layer, the interlayer comprising:
a polymeric film; and
a first type of nano-additives and a second type of nano-additives at least partially embedded into the polymeric film, wherein the first type of nano-additives are completely localized within a first embedding layer of the polymeric film, and wherein the second type of nano-additives are completely localized within a second embedding layer of the polymeric film, wherein the first embedding layer is different from the second embedding layer; and
a second device layer disposed on the interlayer.
15. The touch display of claim 14 , wherein the second device layer fully covers the first type of nano-additives and the second type of nano-additives.
16. The touch display of claim 14 , wherein the first type of nano-additives and the second type of nano-additives are partially exposed from the second device layer.
17. The touch display of claim 14 , wherein the first device layer is an optically clear adhesive layer.
18. The touch display of claim 14 , wherein at least one of the first type of nano-additives or the second type of nano-additives are patterned to form an array of interconnects.
19. The touch display of claim 14 , wherein the first embedding layer is adjacent to a top embedding surface of the polymeric film, and wherein the a second embedding layer is adjacent to a bottom embedding surface of the polymeric film.
20. The touch display of claim 19 , wherein the first type of nano-additives and the second type of nano-additives form a projected capacitive touch sensor, a capacitive touch sensor, a resistive touch sensor, or a combination thereof.