Abstract:
An electrophotographic image forming apparatus is provided including a body including an opening and a first coupler, a photoreceptor cartridge including a second coupler connected to the first coupler, a first gear connected to the second coupler, and a mounting portion, and attached to or detached from the body through the opening; and a development cartridge including a second gear connected to the first gear and attached or detached from the mounting portion through the opening while the photoreceptor cartridge is mounted in the body.
Abstract:
A developer of an image-forming apparatus includes a photoconductor, a housing comprising a waste toner container in which waste toner removed from the photoconductor is contained, and a recessed portion depressed downwardly in a center portion of an upper wall of the waste toner container, the center portion corresponding to a center portion of the photoconductor in a lengthwise direction to move toner away from the center portion.
Abstract:
A power supply device and a display system including the same are provided. A power supply device according to the disclosure is disposed so as to be spaced apart from a display device and supplies power to the display device, and includes a first power supplier which supplies power to the display device through a cable in a wired manner, a second power supplier which supplies power to the display device in a wireless manner, a detector for detecting whether the power supply device is connected to the display device through the cable, and a processor configured to control the second power supplier in a state in which the display device and the power supply device are disconnected, such that power is supplied in the wireless manner, and control the first power supplier based on detecting connection between the display device and the power supply device, such that power is supplied in the wired manner.
Abstract:
Provided is a video processing method and apparatus. The video processing method includes acquiring an input video including a plurality of video frames and audio frames; dividing the input video into one or more sections; determining a representative video frame from among the plurality of video frames with respect to each of the one or more sections; and acquiring a slide video that includes the representative video frames.
Abstract:
A display device is provided, which includes a panel configured to display an image using an LED backlight configured to emit light incident on the panel, an image signal interface configured to provide an image signal to the panel, and a power supply including an LED driver configured to generate constant current, wherein the LED driver is detachable from the power supply.
Abstract:
A power supply includes an inputter including an input capacitor and configured to receive an input DC voltage, a converter including an output capacitor and configured to convert the input DC voltage and to output the converted DC voltage, and a controller configured to control the converter to output a voltage corresponding to a reference voltage.
Abstract:
Disclosed are a display apparatus and a control method thereof, there is provided a display apparatus is provided including: an image processor configured to process a video signal into an image; a display unit comprising a reproducing area where the processed image is displayed and a non-reproducing area where no image is displayed; and an optical sheet provided on the non-reproducing area of the display unit, wherein the optical sheet is configured to diffuse light passed therethrough and configured to visually hide the non-reproducing area.
Abstract:
Disclosed are a display apparatus and a control method thereof, the display apparatus including: a display unit which includes a plurality of pixels with an organic light emitting diode (OLED); a power supply which supplies power to the display unit; an image processor which processes an image signal in accordance with the plurality of pixels; and a controller which divides the frame into a plurality of sub-frames, assigns bit weights to each of the divided sub-frames, and controls the power supply to supply a voltage which is adjusted by the assigned bit weights in accordance with the sub-frames to the display unit.
Abstract:
An electrophotographic image forming apparatus and a development cartridge are provided. The electrophotographic image forming apparatus including a body including an opening, a photoreceptor cartridge attached to, or detached from, the body through the opening, and including a mounting portion, and a development cartridge attached to, or detached from, the mounting portion through the opening while the photoreceptor cartridge is mounted in the body. The mounting portion includes first and second guide rails, and both side portions of the development cartridge respectively include first and second guide protrusions having different protrusion amounts from the both side portions to be respectively guided by the first and second guide rails.
Abstract:
A thermoelectric material includes a stack structure including alternately stacked first and second material layers. The first material layer may include a carbon nano-material. The second material layer may include a thermoelectric inorganic material. The first material layer may include a thermoelectric inorganic material in addition to the carbon nano-material. The carbon nano-material may include, for example, graphene. At least one of the first and second material layers may include a plurality of nanoparticles. The thermoelectric material may further include at least one conductor extending in an out-of-plane direction of the stack structure.