摘要:
In a thin-film transistor (“TFT”) array substrate for an X-ray detector and an X-ray detector having the TFT array substrate, the TFT array substrate includes a gate wiring, a gate insulating layer, an active layer, a data wiring, a photodiode, an organic insulating layer and a bias wiring. The gate wiring is formed on an insulating substrate and includes a gate line and a gate electrode. The gate insulating layer covers the gate wiring. The active layer is formed on the gate insulating layer. The data wiring is formed on the gate insulating layer and includes a data line, source and drain electrodes. The photodiode includes lower and upper electrodes, and a photoconductive layer. The organic insulating layer covers the data wiring and the photodiode. The bias wiring is formed on the organic insulating layer. Thus, an aperture ratio and reliability are enhanced.
摘要:
An X-ray detector includes a plurality of bias connection lines that connect both ends, respectively, of a bias line for applying a bias voltage to a PIN diode. The bias line includes first and second bias lines.
摘要:
In a method of driving an x-ray detector having a switching device connected to a light detecting pixel comprising a photodiode which detects an x-ray emitted from an x-ray generator and outputs an electrical signal corresponding to the x-ray, the method includes: receiving an x-ray with the photodiode during an x-ray detecting period to generate the electrical signal corresponding to the x-ray; turning on the switching device using a gate signal during a first gate turn-on period to transmit the electrical signal to an external component; providing a light to the photodiode during a first flash period of an offset control period; and turning on the switching device during a second gate turn-on period of the offset control period during which the light is not provided to the photodiode to maintain an electric potential at a coupling node disposed between the photodiode and the switching device at a predetermined level.
摘要:
An X-ray detector includes; a panel having a plurality of photo-detecting pixels generating electrical signals in response to the detection of X-rays, a gate driver providing a gate signal to the plurality of photo-detecting pixels, wherein the photo-detecting pixels output the electrical signals in response to the gate signal, a readout integrated circuit reading out the electrical signal in response to the gate signal, a main board including a controller receiving the electrical signal and converting the electrical signal to an image signal, a film attached to the panel and the main board, the film including a signal line electrically connecting the readout integrated circuit to the panel and main board, wherein the readout integrated circuit is mounted on the film, and a shielding layer covering the film and comprising a conductive material, wherein the shielding layer prevents externally applied electromagnetic signals from passing through the film.
摘要:
An x-ray detector including an array substrate including blocks extending along the array substrate in a first direction. Each of the blocks includes cells that are each associated with a data line extending in parallel with the first direction and a gate line extending perpendicularly to the first direction such that the data line crosses the gate line, a thin film transistor respectively connected to the gate and data lines, and a photodiode connected to the thin film transistor to receive light. The cells store charges corresponding to an amount of the light. Gate drivers are connected to ends of the gate lines to select rows of the cells associated with each of the gate lines. Read-out circuits are connected to ends of the data lines to read out charges stored in the cells, of each of the selected rows, that are respectively associated with each of the data lines.
摘要:
Apparatus and method of accurately detecting X-rays employs a photodiode substrate wherein a first reverse bias is applied to the photodiode to generate a photodetect voltage according to the X-rays incident on the photodiode. After an image signal is output in response to the X-rays applied to the photodiode in the present frame, a forward bias is applied to the photodiode so that X-rays may be detected more accurately in the next frame.
摘要:
An organic light emitting diode (OLED) display includes a substrate where a plurality of pixels are formed, a first pixel defining layer on the substrate, the first pixel defining layer dividing the plurality of pixels, a connection wire on the first pixel defining layer, the connection wire electrically connecting two adjacent pixels, and a second pixel defining layer on the first pixel defining layer, the second pixel defining layer covering the connection wire.
摘要:
A display device includes a plurality of pixels, each pixel including an organic light emitting diode (OLED) and a driving transistor, a sustain power supply unit applying a first sustain voltage to a plurality of data lines connected to the plurality of pixels, and a data driver applying one of a data signal and a second sustain voltage to the plurality of data lines. For each pixel, the sustain power supply unit applies the first sustain voltage as a first level voltage to reset a gate voltage of the driving transistor and applies the first sustain voltage as a second level voltage to increase the gate voltage of the driving transistor. When an anode voltage of the OLED in each pixel is discharged to be reset, the anode voltage of the OLED is controlled according to a voltage difference between the first level voltage and the second level voltage.
摘要:
A method for manufacturing a semiconductor device including forming a first wire on a substrate, forming a lower film on the first wire, forming a photosensitive pattern on the lower film using a photosensitive material, forming contact holes for exposing the first wire by etching the lower film using the photosensitive film as an etching mas, removing part of the photosensitive film pattern by an ashing process to expose a borderline of the lower film defining the contact holes and forming second wire connected to the firs wire via the contact holes.
摘要:
An organic light emitting diode (OLED) display includes a light-emitting region including an organic emission layer and a non-light-emitting region neighboring the light-emitting region. The OLED display includes a first electrode positioned at the light-emitting region and including a plurality of division regions divided according to a virtual cutting line crossing the light-emitting region, an organic emission layer positioned on the first electrode, a second electrode positioned on the organic emission layer, a driving thin film transistor connected to the first electrode, and a plurality of input terminals positioned at the non-light-emitting region and respectively connecting between each of division regions and the driving thin film transistor.