Abstract: An image forming apparatus is provided. The image forming apparatus includes a communicator configured to receive printing data, an image former configured to print the received printing data, and at least one processor configured to, in response to receiving a request for connection setting information from the user terminal apparatus, control the communicator to transmit the connection setting information to the user terminal apparatus.

Abstract: A power converter includes a voltage conversion unit that provides a first driving voltage at a first output electrode by converting a power supply voltage in response to a first control signal, the voltage conversion unit being configured to provide a second driving voltage at a second output electrode by converting the power supply voltage after a short detection period, the voltage conversion unit being configured to shut down in response to a third control signal, and a short detection unit that generates the third control signal by comparing a magnitude of a voltage of the second output electrode with a magnitude of a reference voltage during the short detection period.

Abstract: A power controller includes an inductor coupled to an input terminal to which an input voltage is input, a first switch coupled between the inductor and a first power source voltage output terminal, a second switch coupled between the inductor and a ground, a switch controller controlling a voltage output to the first power source voltage output terminal by controlling duties of the first and second switches according to a feedback voltage input to a feedback terminal corresponding to a voltage output to the first power source voltage output terminal, and a diode coupled between the first power source voltage output terminal and the feedback terminal, and preventing a voltage of the first power source voltage output terminal from increasing higher than a breakdown voltage of the first and second switches.

Abstract: Some embodiments of the present disclosure provide a transceiver extension device. A transceiver extension device is provided for connection with an enclosure including a cage for a circuit board and a transceiver. The transceiver extension device includes an extension cage configured to accommodate the transceiver, an extension connector configured to be inserted into the cage of the enclosure, and an extension circuit board configured to transmit a signal of a second transceiver to the circuit board in the enclosure.

Abstract: A semiconductor device includes a semiconductor chip having an active surface and a non-active surface opposite to the active surface, an upper insulating layer provided on the non-active surface of semiconductor chip, and a via and a connection pad penetrating the semiconductor chip and the upper insulating layer, respectively. The connection pad has a first surface exposed outside the upper insulating layer and a second surface opposite to the first surface and facing the semiconductor chip. The first surface of the connection pad is coplanar with an upper surface of the upper insulating layer.

Abstract: A photonic integrated circuit is provided. The photonic integrated circuit includes a substrate having a through hole interconnecting a first surface and a second surface; a transmission wire passing through the through hole and including an optical transmission structure and an electrical transmission structure; and an optical-to-electrical converter connected to the optical transmission structure of the transmission wire on the first surface.

Abstract: A DC-DC converter includes a voltage conversion circuit unit, a control unit, and a capacitor check unit. The voltage conversion circuit unit converts an input voltage to a first voltage. The control unit controls the voltage conversion circuit unit based on a feedback voltage and a reference voltage. The capacitor check unit determines whether a capacitor is coupled to a capacitor coupling terminal based on sensing a voltage of the capacitor coupling terminal, which is selectively coupled to the first control unit.

Abstract: An organic light emitting display includes a plurality of pixels coupled to scan and data lines; a scan driver configured to supply a scan signal to the pixels through the scan lines; a data driver configured to supply a data signal to the pixels through the data lines; and a power supplier configured to supply first and second voltages to the pixels and a third voltage to at least one of the scan and the data driver, wherein the power supplier includes a first converter configured to convert an input voltage into the first voltage, a second converter configured to convert the input voltage into the second voltage, a third converter configured to receive the first voltage and convert the received first voltage into the third voltage, and a shutdown switch configured to control whether or not the first voltage generated by the first converter is supplied to the pixels.

Abstract: A power controller includes an inductor coupled to an input terminal to which an input voltage is input, a first switch coupled between the inductor and a first power source voltage output terminal, a second switch coupled between the inductor and a ground, a switch controller controlling a voltage output to the first power source voltage output terminal by controlling duties of the first and second switches according to a feedback voltage input to a feedback terminal corresponding to a voltage output to the first power source voltage output terminal, and a diode coupled between the first power source voltage output terminal and the feedback terminal, and preventing a voltage of the first power source voltage output terminal from increasing higher than a breakdown voltage of the first and second switches.

Abstract: A printing control apparatus is provided. The printing control apparatus includes a storage unit which stores at least one image, a profile generation unit which generates a profile to perform quick printing with respect to the stored image, a link forming unit which searches for at least one image forming apparatus in the vicinity of the printing control apparatus in a wireless communication manner, and forms a wireless communication link with the searched image forming apparatus, a communication interface which transmits the generated profile to the image forming apparatus with which the link is formed, and a controller which controls the communication interface to transmit an image which is requested to be transmitted by the image forming apparatus with which the link is formed in response to the transmitted profile.

Abstract: There are provided a DC-DC converter and an organic light emitting display device using the same. A DC-DC converter includes a converting module and a sensing unit. The converting module includes a switching module and a control module. The switching module has a plurality of switches, and each of the plurality of switches converts an input voltage into a first voltage and outputs the first voltage while being turned on/off in response to a corresponding pulse width modulation (PWM) signal. The control module controls a switching operation of the switching module by generating the PWM signal. The sensing unit senses driving current supplied to a load to which the first voltage is provided.

Abstract: A method includes forming a template portion to provide a first opening trench portion surrounding a first isolated pattern, and forming an array of pillars on an underlying layer; forming a separation wall layer including first separation wall portions surrounding sidewalls of the pillars, and forming second separation wall portions covering sidewalls of the first opening trench portion; forming a block copolymer layer on the separation wall layer; forming first domains in gaps between the pillars, and forming second domains surrounding and separating the first domains by annealing the block copolymer layer; forming second openings by selectively removing the first domains; forming third openings between the second openings, and forming a fourth opening adjacent to the first isolated pattern by selectively removing the pillars and the template portion; and forming fifth openings, which extend from the second and third openings and penetrate the underlying layer, and forming a sixth opening, which extends fro

Abstract: Disclosed is a power supply unit including a DC-DC converter including an output terminal and resistor coupling terminal and an external resistor coupled to the resistor coupling terminal, where the DC-DC converter includes a first power generation unit which outputs a predetermined current to the output terminal, and a sensing circuit unit that includes a sensing resistor located between the first power generation unit and the output terminal and stops an operation of the first power generation unit depending on a current value flowing in the sensing resistor. A power supply unit and an organic light emitting display including the power supply unit include a sensing circuit unit that stops operation of the power supply unit to prevent an additional damage when an abnormal current occurs.

Abstract: The present invention relates to an optical film and an optical display apparatus including the same. The optical film may include a base film and an optical functional layer formed on the base film, wherein at least one of the base film. The optical functional layer may include a luminescent material, and the luminescent material may include at least one of a fluorescent material and a phosphorescent material.

Abstract: A method includes forming a template portion to provide a first opening trench portion surrounding a first isolated pattern, and forming an array of pillars on an underlying layer; forming a separation wall layer including first separation wall portions surrounding sidewalls of the pillars, and forming second separation wall portions covering sidewalls of the first opening trench portion; forming a block copolymer layer on the separation wall layer; forming first domains in gaps between the pillars, and forming second domains surrounding and separating the first domains by annealing the block copolymer layer; forming second openings by selectively removing the first domains; forming third openings between the second openings, and forming a fourth opening adjacent to the first isolated pattern by selectively removing the pillars and the template portion; and forming fifth openings, which extend from the second and third openings and penetrate the underlying layer, and forming a sixth opening, which extends fro

Abstract: A method includes forming a template portion to provide a first opening trench portion surrounding a first isolated pattern, and forming an array of pillars on an underlying layer; forming a separation wall layer including first separation wall portions surrounding sidewalls of the pillars, and forming second separation wall portions covering sidewalls of the first opening trench portion; forming a block copolymer layer on the separation wall layer; forming first domains in gaps between the pillars, and forming second domains surrounding and separating the first domains by annealing the block copolymer layer; forming second openings by selectively removing the first domains; forming third openings between the second openings, and forming a fourth opening adjacent to the first isolated pattern by selectively removing the pillars and the template portion; and forming fifth openings, which extend from the second and third openings and penetrate the underlying layer, and forming a sixth opening, which extends fro

Abstract: Provided is a method for forming a pattern of polyimide that is simpler and is more excellent in the pattern shape and in the dimensional accuracy in comparison with the conventional techniques of patterning polyimide, such as photolithography and laser processing. In a method for forming a micropattern of polyimide, which includes using as polyimide a solvent-soluble polyimide resin composition that is photosensitive and is moldable at a temperature of less than or equal to a glass-transition temperature; patterning the composition using thermal imprinting; and thermally curing the composition, ultraviolet irradiation is performed after the composition is released from a mold after a molding step.

Abstract: A photonic integrated circuit is provided. The photonic integrated circuit includes a substrate having a through hole interconnecting a first surface and a second surface; a transmission wire passing through the through hole and including an optical transmission structure and an electrical transmission structure; and an optical-to-electrical converter connected to the optical transmission structure of the transmission wire on the first surface.

Abstract: A method of forming patterns includes forming pillars and first peripheral patterns on an underlying layer, forming a separation wall layer covering sidewalls of the pillars and the first peripheral patterns, forming blocking portions on the separation wall layer to fill first openings between the first peripheral patterns, forming a block copolymer layer filling gap regions between the pillars, annealing the block copolymer layer to form first domains and a second domain surrounding the first domains, removing the first domains and removing portions of the separation wall layer to form second openings, removing the second domain and the blocking portions, removing the pillars and the first peripheral patterns to form third openings and fourth openings, and patterning the underlying layer to form fifth openings that extend from the second and third openings and sixth openings that extend from the fourth openings.

Abstract: A DC-DC converter includes a first power source generator, the first power source generator including an input port and a first output port, the first power source generator being configured to receive an input power source to the input port, and being configured to generate a first power source, the first power source being output to the first output port, and a selecting unit, the selecting unit being configured to selectively transmit, to the first power source generator, one of: a feedback voltage, the feedback voltage being input from an external feedback wiring line via a feedback terminal, and a voltage of the first output port.