Abstract: An x-ray detector assembly is disclosed that includes a mounting substrate having a plurality of electrical contacts, the mounting substrate comprising one of an integrated circuit and a circuit board. The x-ray detector assembly also includes a first electrode patterned on a first portion of a top surface of the mounting substrate, wherein the first electrode is electrically coupled to the plurality of electrical contacts. An organic photodiode layer is formed atop the first electrode and has a bottom surface electrically connected to the first electrode. A second electrode is coupled to a top surface of the organic photodiode layer and a scintillator is coupled to the second electrode.

Abstract: A method of imaging a patient and an X-ray dosimetry system are provided. The X-ray dosimetry system includes a support platform configured to support an object to be imaged and a digital X-ray dosimeter mounted on a surface of the support platform, the X-ray dosimeter configured to receive incident radiation prior to the incident radiation having passed through the object to be imaged, the X-ray dosimeter comprising a thickness of less than about four millimeters.

Abstract: A radiation detector assembly including an organic photodetector that generate charge in response to an incident radiation, a thin film transistor array including a plurality of pixels. The plurality of pixels may produce electric signals corresponding to the charge generated by the organic photodetector. The radiation detector assembly also includes a spacer disposed on the thin film transistor array. The spacer surrounds one or more pixels and may confine the organic photodetector within the surrounded one or more pixels such that the surrounded one or more pixels are electrically isolated from a neighboring pixel.

Abstract: A flat panel imaging system for imaging cells provided on a cell medium is disclosed. The system includes a housing having a base portion and a lid that collectively form a closed environment to exclude external sources of light, and a flat panel detector encased in the base portion and having an array of pixels each including a photodiode and transistor. The system also includes a first light source that illuminates cells on the cell medium to excite at least a portion of the cells and cause those cells to generate photons that are captured by the array of pixels and a second light source to illuminate cells on the cell medium with a light different from the light from the first light source and that provides for a capturing of photons representative of photons transmitted through the cells on the cell medium.

Abstract: A system and method for generating a digital image in fluorescence gel imaging is disclosed. The method includes providing a gel sample and placing the gel sample on a flat panel detector having array of photodiodes and transistors that collect light generated from the gel sample. The gel sample is illuminated using a light source integrated into the flat panel imaging system and light emitted by the gel sample responsive to an excitation of the gel sample by light provided by the light source is then collected, with the light emitted by the gel sample being collected by the array of photodiodes of the flat panel detector and converted to electric charges to generate light data. The light data is then processed to generate a digital image of the gel sample.

Abstract: A system and method for generating a digital image in fluorescence gel imaging is disclosed. The method includes providing a gel sample and placing the gel sample on a flat panel detector having array of photodiodes and transistors that collect light generated from the gel sample. The gel sample is illuminated using a light source integrated into the flat panel imaging system and light emitted by the gel sample responsive to an excitation of the gel sample by light provided by the light source is then collected, with the light emitted by the gel sample being collected by the array of photodiodes of the flat panel detector and converted to electric charges to generate light data. The light data is then processed to generate a digital image of the gel sample.

Abstract: A system and method for generating a digital image in fluorescence gel imaging is disclosed. The method includes providing a gel sample and placing the gel sample on a flat panel detector having array of photodiodes and transistors that collect light generated from the gel sample. The gel sample is illuminated using a light source integrated into the flat panel imaging system and light emitted by the gel sample responsive to an excitation of the gel sample by light provided by the light source is then collected, with the light emitted by the gel sample being collected by the array of photodiodes of the flat panel detector and converted to electric charges to generate light data. The light data is then processed to generate a digital image of the gel sample.

Abstract: A method of imaging a patient and an X-ray dosimetry system are provided. The X-ray dosimetry system includes a support platform configured to support an object to be imaged and a digital X-ray dosimeter mounted on a surface of the support platform, the X-ray dosimeter configured to receive incident radiation prior to the incident radiation having passed through the object to be imaged, the X-ray dosimeter comprising a thickness of less than about four millimeters.

Abstract: A radiation detector assembly including an organic photodetector that generate charge in response to an incident radiation, a thin film transistor array including a plurality of pixels. The plurality of pixels may produce electric signals corresponding to the charge generated by the organic photodetector. The radiation detector assembly also includes a spacer disposed on the thin film transistor array. The spacer surrounds one or more pixels and may confine the organic photodetector within the surrounded one or more pixels such that the surrounded one or more pixels are electrically isolated from a neighboring pixel.

Abstract: An optoelectronic device is disclosed. The optoelectronic device includes a flexible substrate, a thin film transistor (TFT) array disposed on a first surface of the flexible substrate, a photodiode layer disposed on the TFT array, and a plurality of data lines and scan lines connected to the TFT array and disposed on the first surface of the flexible substrate. The device further includes a electronics signal module assembly disposed on a second surface of the flexible substrate opposite the TFT array, and an interconnect disposed through the flexible substrate, connecting the data lines and scan lines to the electronics signal module assembly.

Abstract: A method of imaging a patient and an X-ray imaging system are provided. The X-ray imaging system includes a support platform configured to support an object to be imaged and a digital X-ray imaging detector configured to receive incident radiation that has passed through the object, the X-ray imaging detector including a flexibility that permits the X-ray imaging detector to conform to a surface of the support platform, the X-ray imaging detector including a thickness of less than about four millimeters.

Abstract: There is set forth herein a method for making an apparatus for use in X ray detection comprising fabricating a first layered assembly 10 comprising a scintillator and first electrode layer, and laminating the first layered assembly 10 onto a second layered assembly 20 wherein the second layered assembly has a thin film transistor (TFT) array, wherein the TFT array includes a second electrode layer, wherein at least one of the first layered assembly and the second layered assembly includes an organic photodiode (OPD) absorber layer and wherein the laminating is absent use of an adhesive.

Abstract: An organic x-ray detector and a method of making the organic x-ray detector are disclosed. The x-ray detector includes a TFT array disposed on a substrate, an organic photodiode layer disposed on the TFT array, a barrier layer disposed on the photodiode layer, and a scintillator layer disposed on the barrier layer, such that the barrier layer includes at least one inorganic material.

Abstract: An x-ray detector assembly is disclosed that includes a mounting substrate having a plurality of electrical contacts, the mounting substrate comprising one of an integrated circuit and a circuit board. The x-ray detector assembly also includes a first electrode patterned on a first portion of a top surface of the mounting substrate, wherein the first electrode is electrically coupled to the plurality of electrical contacts. An organic photodiode layer is formed atop the first electrode and has a bottom surface electrically connected to the first electrode. A second electrode is coupled to a top surface of the organic photodiode layer and a scintillator is coupled to the second electrode.

Abstract: An x-ray imaging system includes an organic x-ray detector having a layered structure composed of a scintillator layer disposed on a first electrode layer and an absorber layer sandwiched between the first electrode layer and a second electrode layer. The second electrode layer is disposed on a TFT array and the TFT array is disposed on a substrate. The absorber layer includes a donor material and an acceptor material, and the donor material contains a low bandgap polymer.

Abstract: Exemplary embodiments are directed to imagining detectors and methods of fabricating the imagining detectors for use in medical imagining systems. In exemplary embodiments, a detector for an imaging device include a continuous unpatterned photoelectric material that forms a portion of a photosensor and an electrode disposed with respect to the photoelectric material to form an anode or cathode of the photosensor. Data readout lines connected to the outputs of transistors of the detector can be susceptible electronic noise from capacitive coupling between the electrode of the photosensor. In exemplary embodiments of the present disclosure, a lateral offset and/or vertical offset between the electrode and the data readout lines can be formed to control the capacitive coupling between the electrode and the data readout line.

Abstract: In one embodiment, a digital X-ray detector is provided with a plurality of pixel regions. Each pixel region includes a first photodiode having a first area and a second photodiode having a second area equal to or smaller than the first area. The digital X-ray detector also includes a shielding structure that overlies the first and second photodiodes of each pixel region with the shielding structure shielding proportionally less of the first photodiode than of the second photodiode to provide the first photodiode with a first sensitivity and the second photodiode with a second sensitivity lower than the first sensitivity.

Abstract: The present approach involves a radiation detector module with increased quantum efficiency and methods of fabricating the radiation detector module. The module includes a scintillator substrate and a photodetector fabricated on the scintillator substrate. The photodetector includes an anode, active organic elements, and a cathode. The module also includes a pixel element array disposed over the photodetector. During imaging, radiation attenuated by an object to be imaged may propagate through the pixel element array and through the layers of the photodetector to be absorbed by the scintillator which in response emits optical photons. The photodetector may absorb the photons and generate charge with improved quantum efficiency, as the photons may not be obscured by the cathode or other layers of the module. Further, the module may include reflective materials in the cathode and at the pixel element array to direct optical photons towards the active organic elements.

Abstract: The present approach involves a radiation detector module with increased quantum efficiency and methods of fabricating the radiation detector module. The module includes a scintillator substrate and a photodetector fabricated on the scintillator substrate. The photodetector includes an anode, active organic elements, and a cathode. The module also includes a pixel element array disposed over the photodetector. During imaging, radiation attenuated by an object to be imaged may propagate through the pixel element array and through the layers of the photodetector to be absorbed by the scintillator which in response emits optical photons. The photodetector may absorb the photons and generate charge with improved quantum efficiency, as the photons may not be obscured by the cathode or other layers of the module. Further, the module may include reflective materials in the cathode and at the pixel element array to direct optical photons towards the active organic elements.

Abstract: In one embodiment, a digital X-ray detector is provided with a plurality of pixel regions. Each pixel region includes a first photodiode having a first area and a second photodiode having a second area equal to or smaller than the first area. The digital X-ray detector also includes a shielding structure that overlies the first and second photodiodes of each pixel region with the shielding structure shielding proportionally less of the first photodiode than of the second photodiode to provide the first photodiode with a first sensitivity and the second photodiode with a second sensitivity lower than the first sensitivity.