Radiation imaging system
First Claim
Patent Images
1. A radiation imaging device comprising:
- an electrical insulation layer having a top surface and a bottom surface;
a top electrode on the top surface of the electrical insulation layer; and
a plurality of pixel units electrically coupled to the electrical insulation layer and in direct contact with the bottom surface of the electrical insulation layer,wherein when a bias voltage is applied to the top electrode and a radiation beam is directed at the top electrode, the electrical insulation layer is ionized, generating a charge signal in one or more of the plurality of pixel units, andwherein the electrical insulation layer includes no photoconductive layer.
1 Assignment
0 Petitions
Accused Products
Abstract
A radiation imaging system includes a radiation-emitting device and a radiation imaging device. The radiation imaging device has an electrical insulation layer having a top surface and a bottom surface, a top electrode on the top surface of the electrical insulation layer, an array of pixel units electrically coupled to the electrical insulation layer, and an array of transistors connected to the array of pixel units.
-
Citations
30 Claims
-
1. A radiation imaging device comprising:
-
an electrical insulation layer having a top surface and a bottom surface; a top electrode on the top surface of the electrical insulation layer; and a plurality of pixel units electrically coupled to the electrical insulation layer and in direct contact with the bottom surface of the electrical insulation layer, wherein when a bias voltage is applied to the top electrode and a radiation beam is directed at the top electrode, the electrical insulation layer is ionized, generating a charge signal in one or more of the plurality of pixel units, and wherein the electrical insulation layer includes no photoconductive layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A radiation imaging system, comprising:
-
a radiation-emission device; and a radiation imaging device configured to receive radiation from the radiation-emission device and generate an image based on the radiation, the radiation imaging device, comprising; an electrical insulation layer having a top surface and a bottom surface; a top electrode on the top surface of the electrical insulation layer; and a plurality of pixel units electrically coupled to the electrical insulation layer and in direct contact with the bottom surface of the electrical insulation layer, wherein when a bias voltage is applied to the top electrode and a radiation beam from the radiation-emission device is directed at the top electrode, the electrical insulation layer is ionized, generating a charge signal in one or more of the plurality of pixel units, and wherein the electrical insulation layer includes no photoconductive layer. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
-
-
17. A method of operating a radiation imaging system comprising an electrical insulation layer having a top surface and a bottom surface, a top electrode on the top surface of the electrical insulation layer, a plurality of pixel units electrically coupled to the electrical insulation layer and in direct contact with the bottom surface of the electrical insulation layer, and a transistor connected to each of the plurality of pixel units, the method comprising:
-
(1) applying a bias voltage to the top electrode; (2) receiving a charged particle generated based on a radiation beam being directed at the top electrode to which the bias voltage is applied, wherein the charged particle penetrates the electrical insulation layer and generates a charge signal; (3) storing the charge signal in a storage capacitor, such that a plurality of charge signals is stored in a plurality of storage capacitors; (4) changing a polarity of a gate line bias voltage of one row of transistors; and (5) integrating charges from orthogonal data lines, each connected to a respective storage capacitor among the plurality of storage capacitors. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
-
Specification