Interacting Display Device

Abstract

A display device includes a display cover screen, a two-dimensional matrix of photo-detecting elements constructed on a first substrate that is visually transparent, and a matrix of pixel elements constructed on a second substrate. The first substrate is sandwiched between the display cover screen and the second substrate.

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         10 . A measuring device comprising:
 a visually transparent substrate;   a two-dimensional matrix of photo-detecting elements constructed on the visually transparent substrate, wherein a photo-detecting element comprises a photodetector, and the two-dimensional matrix of photo-detecting elements is arranged in a plurality of rows and a plurality of columns, wherein a photo-detecting element in the two-dimensional matrix of photo-detecting elements is electrically connected between a first conducting line in a first array of conducting lines and a second conducting line in a second array of conducting lines crossing the first array of conducting lines;   electronic circuitry configured to measure a position of an invisible light spot on the transparent substrate using the matrix of photo-detecting elements; and   electronic circuitry including an interface port and configured to output signals specifying the position of the invisible light spot on the transparent substrate.   
     
     
         11 . The measuring device of  claim 10 , further comprising:
 a housing including two windows; and   wherein the transparent substrate is sandwiched between the two windows.   
     
     
         12 . The measuring device of  claim 10 , wherein the transparent substrate is covered by a window. 
     
     
         13 . The measuring device of  claim 10 , wherein the interface port includes any one of a USB port, a PS2 serial port, a wireless port, a Wi-Fi port, and a Bluetooth port. 
     
     
         14 . The measuring device of  claim 10 , wherein the photo-detecting element comprises:
 a photodetector having a first terminal electrically connected to a conducting line in the first array of conducting lines and having a second terminal electrically connected to a conducting line in the second array of conducting lines.   
     
     
         15 . The measuring device of  claim 10 , wherein the photo-detecting element comprises:
 a switching transistor having a gate electrically connected to a conducting line in the first array of conducting lines; and   a photodetector having a first terminal electrically connected to a conducting line in the second array of conducting lines though a semiconductor channel of the switching transistor.   
     
     
         16 . The measuring device of  claim 15 , wherein the switching transistor is an organic switching transistor. 
     
     
         17 . A display device comprising:
 a display cover screen;   a first substrate that is visually transparent;   a two-dimensional matrix of photo-detecting elements constructed on the first substrate, wherein a photo-detecting element comprises a photodetector, and the two-dimensional matrix of photo-detecting elements is arranged in a plurality of rows and a plurality of columns;   a second substrate;   a matrix of pixel elements constructed on the second substrate; and   wherein the first substrate is sandwiched between the display cover screen and the second substrate.   
     
     
         18 . The television of  claim 17 , wherein a photo-detecting element in the two-dimensional matrix of photo-detecting elements is electrically connected between a first conducting line in a first array of conducting lines and a second conducting line in a second array of conducting lines crossing the first array of conducting lines. 
     
     
         19 . The television of  claim 17 , wherein a photo-detecting element comprises:
 a photodetector having a first terminal electrically connected to a conducting line in a first array of conducting lines and having a second terminal electrically connected to a conducting line in a second array of conducting lines.   
     
     
         20 . The television of  claim 17 , wherein a photo-detecting element comprises:
 a switching transistor having a gate electrically connected to a conducting line in a first array of conducting lines; and   a photodetector having a first terminal electrically connected to a conducting line in a second array of conducting lines though a semiconductor channel of the switching transistor.