Granted Patent B2

US 8,581,167 · App. 12/947,004 · Granted Nov 12, 2013

Abstract

Claims (31)

1. An optical electrical device for converting a photo image pattern to a conductance pattern providing virtual electrodes and virtual interconnects, comprising:

a lighting arrangement for generating a predetermined optical image in the form of a virtual electrode and virtual interconnect pattern;

a photoconductive component including a photoconductive layer, and active semiconductor layer and an insulating layer, the photoconductive component positioned to receive the optically induced virtual electrode and virtual interconnect pattern projected therein, and configured to form a charge where the virtual electrode and virtual interconnect pattern is received;

a positioning arrangement configured to position the virtual electrode and virtual interconnect pattern at a predetermined location on the photoconductive component to allow for connection to connection points of discrete components; and

an erasure component positioned and configured to erase the images on the photoconductive component.

2. The system of claim 1 , wherein the photoconductive layer comprises an optically induced conductive trace pattern projected therein.

3. The system of claim 1 , wherein the semiconductor layer comprises a field effect transistor array comprising at least one conductance path for controlling the flow of a charge between virtual electrodes and virtual interconnects.

4. The system of claim 1 , wherein the dielectric layer comprises a photodiode layer configured to convert a virtual interconnect pattern forming the virtual interconnects to an optically induced conductive trace pattern to allow a current flow thereat.

5. The system of claim 1 , comprising an insulating layer located between the dielectric layer and the semiconductor layer.

6. The system of claim 1 , comprising a liquid crystal display image projector or a charge-coupled device on a backside of the photoconductive layer comprising the optically induced virtual electrode pattern and an optically induced conductive trace pattern for projecting into the photoconductive layer.

7. The system of claim 6 , wherein the optically induced virtual electrode pattern and optically induced conductive trace pattern comprise a page sized image projected to the photoconductive layer.

8. The system of claim 1 , comprising four projectors coupled together in an array for projecting a page sized image to the photoconductor, wherein the projectors respectively comprise a convex lens located in front of the respective projector to de-magnify an image size projected to a size comprising a quarter of the page sized image.

9. The system of claim 1 , further including a voltage source providing an AC bias in a range of 500V to 1500V peak.

10. The system of claim 1 wherein a feature size of the virtual electrodes and virtual interconnects are less than 100 μm.

11. The system of claim 1 wherein a current conductivity of the virtual interconnects is in the range of a few milliamperes.

12. The optical electronic circuit device of claim 1 , wherein the photoconductive polymer comprises a fullerene (C60) poly vinylcarbazole (PVK:C60).

13. An optical based system having virtual electrodes and virtual interconnects:

a light beam source for generating a light beam;

a microdisplay chip configured to receive the light beam from the light beam source, wherein the microdisplay chip is positioned and configured to project an image of a virtual electrode and virtual interconnect pattern;

a focusing component configured to generate a projection beam of the virtual electrode and virtual interconnect pattern from the projected image of the microdisplay chip;

a photoconductive component positioned to receive the projection beam, to create a projected light image pattern in the photoconductive component, the projected light image defining a virtual electrode and virtual interconnect pattern; and

a camera arrangement positioned to image a top surface of the photoconductive component.

14. The system of claim 13 further including discrete components positioned on the upper surface of the photoconductive component, wherein the camera arrangement is configured and positioned to image the discrete components including corresponding connection locations of the discrete components.

15. The system of claim 14 further including a computer controller configured to receive position data corresponding to the image of the top surface of the photoconductive component, including the position data of the corresponding connection locations of the discrete components.

16. The system of claim 15 further including a data connection between the computer controller and the microdisplay, wherein the computer controller is configured to control the microdisplay based on the position data.

17. The system of claim 1 further including a conductive layer positioned within operational range of the upper surface of the photoconductive layer, wherein the conductive layer is configured to generate an erasure signal to erase the virtual electrode and virtual interconnect pattern.

18. The system of claim 1 wherein the photoconductive component includes:

a photo-diode layer;

a semi-conductor layer;

a first insulator layer located between a surface of the semiconductor layer and a surface of the photo-diode layer; and

a second insulation layer located on another surface of the photo-diode layer.

Assignments (9)