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Photoconductive sensor materials for detection of explosive vapor
where R is a morphology control group, A is a linking group, B is a electron donor that is selective for transferring electrons to PTCDI backbone upon irradiation to make the resulting nanostructures conductive, and R1 through R8 are side groups. A photoconductive sensor...

Charging device, imaging cartridge and image forming apparatus having charging device
A charging device which includes a grid that has a curvature surface placed to face an outer circumferential surface of a photoconductive drum; a carrying member that carries the grid in a portion having a curvature to form the curvature surface of the grid; and position adjusting mechanisms that moves a...

Dynamically reconfigurable microstrip antenna
A dynamically-reconfigurable antenna having a microstrip patchwork radiating surface wherein individual radiating patches can be connected to and disconnected from each other via photoconductive interconnections between the radiating patches. Commands from software alternately turn light from light emitting sources on or off, the light or lack thereof being channeled from an...

Image forming apparatus
According to one embodiment, an image forming apparatus includes a photoconductive drum, a line-type LED exposing unit disposed to be opposed to the photoconductive drum, an exposing unit supporting tray configured to support the LED exposing unit to be capable of approaching and separating from the photoconductive drum in a radial...

Photoconductive foil sheet applicator
A photoconductive foil sheet applicator applies a photoconductive foil sheet about a circumference of a drum....

Electrophotographic photosensitive member and electrophotographic apparatus
In an electrophotographic photosensitive member having a photoconductive layer and, provided on the photoconductive layer, a surface layer constituted of a hydrogenated amorphous silicon carbide, the ratio of the number of atoms of carbon atoms (C) to the sum of the number of atoms of silicon atoms (Si) and number of...

Electrophotographic photoconductor, image forming apparatus, and process cartridge
An electrophotographic photoconductor including: an electrically conductive substrate; and at least a photoconductive layer on the electrically conductive substrate, wherein the electrophotographic photoconductor includes an uppermost surface layer, and the uppermost surface layer includes an inorganic filler, an acidic disperser and a three-dimensionally crosslinked polymer, wherein the three-dimensionally crosslinked polymer is...

Liquid crystal display device and manufacturing method thereof
A high quality liquid crystal display device has an alignment film with a photoconductive characteristic. Since a region having gate lines situated therebelow does not undergo irradiation of a backlight, no photoconductive effect can be obtained. A photoresist is disposed below the alignment film situated over the gate lines in order...

Developing cartridge and image forming apparatus having the same
A developing cartridge includes a photoconductive body, a charging unit which charges a surface of the photoconductive body and a developing unit which forms a toner image. The charging unit includes a shaft which applies a charging voltage and which has a central axis parallel to a rotating axis of the...

Electrophotographic photoconductor, electrophotographic apparatus and process cartridge
An electrophotographic photoconductor including: an electroconductive substrate; an intermediate layer; and a photoconductive layer, the intermediate layer and the photoconductive layer being on the electroconductive substrate, wherein the intermediate layer includes an inorganic pigment and a binder resin, wherein a volume ratio of the inorganic pigment in the intermediate layer is...

Photoconductive antenna, terahertz wave generating device, camera, imaging device, and measuring device
A photoconductive antenna is adapted to generate terahertz waves when irradiated by pulsed light. The photoconductive antenna includes first and second conductive layers, a semiconductor layer positioned between the first and second conductive layers, first and second electrodes, and a dielectric layer. The semiconductor layer is made of a semiconductor material...

Photoconductive antenna, terahertz wave generating device, camera, imaging device, and measuring device
A photoconductive antenna is adapted to generate terahertz waves when irradiated by pulsed light. The photoconductive antenna includes first and second conductive layers, a semiconductor layer, and first and second electrodes. The semiconductor layer is made of a semiconductor material having a carrier density that is lower than a carrier density...

Quaternary photodetector for downhole optical sensing
Detector assembly for downhole spectroscopy includes a near-infra-red quaternary photodiode that can operate at high temperatures without cooling it to the standard operation temperature range of the photodiode. High temperature operation of the photodiode right shifts the detector assembly's responsivity curve to include wavelengths of up to 2400-nm. The photodiode has...

Short wavelength photoconductive members
wherein each of R1, R2, R3, R4, R5 and R6, are the same or different and are independently selected from the group comprising a hydrogen, alkyl, aryl and halogen. A charge transport layer is disposed on the conductive support and comprises tri-p-toylamine and 1,-1-bis(N,N-ditoyl-4-aminophenyl)cyclohexane in a second polymer binder. There is provided...

Photoconductive antenna, terahertz wave generating device, camera, imaging device, and measuring device
A photoconductive antenna is adapted to generate terahertz waves when irradiated by pulsed light. The photoconductive antenna includes a first conductive region, a second conductive region, and a semiconductor region. The second conductive region is spaced apart from the first conductive region to form a gap therebetween in a top plan...

Short wavelength photoconductive members
wherein each of R1, R2, R3, R4, R5, R6 and R7 are the same or different and are independently selected from the group comprising hydrogen, alkyl, aryl and halogen. A charge transport layer is disposed on the conductive support and comprises tri-p-toylamine and 1,-1-bis(N,N-ditoyl-4-aminophenyl)cyclohexane in a second polymer binder. There is provided...

Terahertz frequency domain spectrometer with discrete coarse and fine tuning
An apparatus for analyzing, identifying or imaging an target including first and second laser beams coupled to a pair of photoconductive switches to produce CW signals in one or more bands in a range of frequencies greater than 100 GHz focused on and transmitted through or reflected from the target; and...

X-ray sensor, method for testing the x-ray sensor, and x-ray diagnostic device equipped with the x-ray sensor
An X-ray sensor according to the present invention includes: a light-transmissive substrate (); a light-transmissive electrode () formed on one surface of the light-transmissive substrate (); and a photoconductive film () including a hole injection blocking layer (), a field buffer layer (), a hole trap layer (), a photoconductive sensitive...

Amoled light sensing
The present disclosure is directed to a method and apparatus for estimating ambient light conditions for an OLED display. Embodiments of the method and apparatus use one or more columns of OLEDs in the display to perform two functions: their typical function of emitting light in a display mode, and the...

Systems and methods for resetting photoconductive x-ray imaging detectors
Systems and methods of resetting a blocking-type photoconductive imaging detector are provided. In one embodiment, after having obtained an image, the imaging detector may be reset by applying a reversed bias potential difference and illuminating the imaging radiation detector with photoexcitation radiation. The photoexcitation radiation has a wavelength selected to excite...

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