Integrated displays using nanowire transistors
View Patent ↗The present invention is directed to a display using nanowire transistors. In particular, a liquid crystal display using nanowire pixel transistors, nanowire row transistors, nanowire column transistors and nanowire edge electronics is described. A nanowire pixel transistor is used to control the voltage applied across a pixel containing liquid crystals. A pair of nanowire row transistors is used to turn nanowire pixel transistors that are located along a row trace connected to the pair of nanowire row transistors on and off. Nanowire column transistors are used to apply a voltage across nanowire pixel transistors that are located along a column trace connected to a nanowire column transistor. Displays including organic light emitting diodes (OLED) displays, nanotube field effect displays, plasma displays, micromirror displays, micoelectromechanical (MEMs) displays, electrochromic displays and electrophoretic displays using nanowire transistors are also provided.
1. An active matrix backplane used within a display, comprising:
a plurality of pixels;
a plurality of column transistors, wherein a column transistor within said plurality of column transistors applies a voltage across a subset of a plurality of pixel transistors;
a plurality of row transistors, wherein at least two row transistors within said plurality of row transistors turns a corresponding pixel transistor on and off;
a plurality of pixel transistors, wherein a pixel transistor within said plurality of pixel transistors controls a corresponding pixel within said plurality of pixels; and
edge electronics that control one or more of said column transistors, said row transistors, and said pixel transistors, wherein said edge electronics comprises a plurality of nanowire transistors each comprising a plurality of nanowires extending between a first source electrode and a first drain electrode of the transistor.
2. The active matrix backplane of claim 1 , wherein said edge electronics include nanowire buffers.
3. The active matrix backplane of claim 1 , wherein said edge electronics include nanowire shift registers.
4. The active matrix backplane of claim 1 , wherein said edge electronics include nanowire level shifters.
5. The active matrix backplane of claim 1 , wherein the display is a liquid crystal display.
6. The active matrix backplane of claim 1 , wherein the display is an organic light emitting display (OLED).
7. The active matrix backplane of claim 6 , wherein said OLED includes nanocrystals.
8. The active matrix backplane of claim 1 , wherein the display is an electrophoretic display.
9. The active matrix backplane of claim 1 , wherein the display is a plasma display.
10. The active matrix backplane of claim 1 , wherein the display is an electrochromic display.
11. The active matrix backplane of claim 1 , wherein the display is a microelectromechanical (MEMs) display.
12. The active matrix backplane of claim 1 , wherein the display is a micromirror display.
13. The active matrix backplane of claim 1 , wherein the display is a field emission display.
14. The active matrix backplane of claim 1 , wherein the display is rigid.
15. The active matrix backplane of claim 1 , wherein the display is flexible.
16. The active matrix backplane of claim 1 , wherein the display is non-planar.
17. The active matrix backplane of claim 1 , wherein each nanowire transistor comprises at least one hundred nanowires extending at least between a source and a drain electrode.
18. The active matrix backplane of claim 1 , wherein each nanowire within each nanowire transistor comprises silicon nanowires.
19. The active matrix backplane of claim 18 , wherein each silicon nanowire comprises a shell of SiO 2 .
20. The active matrix backplane of claim 1 , wherein each of said column transistors, said row transistors, and said pixel transistors comprise nanowire transistors.