Abstract: The present disclosure relates to a portable printer including a main body in a portable form which is capable of accommodating a cartridge having a nozzle for delivering a printing material to a target having a soft or hard surface, a seating part which is provided to be exposed to an outside from a lower portion of the main body to face the surface of the target and at least partially surrounds the nozzle, a roller provided respectively at the front and rear of the nozzle at the lower portion of the main body with respect to a direction in which the main body moves along the surface of the target to deliver the printing material to the target, and a printing adjustment unit configured to adjust a height difference between the nozzle and the roller to adjust a height difference between the nozzle and the surface of the target.

Abstract: An organic light-emitting diode (OLED) driving characteristic detection circuit is provided. The OLED driving characteristic detection circuit comprising a first current integrator receiving a first current via a first sensing channel and outputting a first sampling voltage based on the first current, a second current integrator receiving a second current via a second sensing channel and outputting a second sampling voltage based on the second current, and a sampling circuit receiving the first and second sampling voltages, followed by storing and holding the first and second sampling voltages, and removing common noise components included in the first and second sampling voltages, a third sampling capacitor and a fourth sampling capacitor which are connected to an output terminal of the second current integrator and store and hold the second sampling voltage, and a plurality of switches which connect first ends of the first sampling capacitor to the fourth sampling capacitor.

Abstract: A display device includes a flexible first substrate including a display part, a bending part provided at one side of the display part, and a pad part provided at an end of the bending part, wherein the display part includes a plurality of pixels; a second substrate facing the display part; a back film including a first film part and a second film part separated from the first film part, wherein the first film part is adhered to the display part of the flexible first substrate, and the second film part is adhered to the pad part; and a supporting member disposed between the first film part and a second film part.

Abstract: A display device includes a flexible first substrate including a display part, a bending part provided at one side of the display part, and a pad part provided at an end of the bending part, wherein the display part includes a plurality of pixels; a second substrate facing the display part; a back film including a first film part and a second film part separated from the first film part, wherein the first film part is adhered to the display part of the flexible first substrate, and the second film part is adhered to the pad part; and a supporting member disposed between the first film part and a second film part.

Abstract: An organic light-emitting diode (OLED) driving characteristic detection circuit is provided. The OLED driving characteristic detection circuit comprising a first current integrator receiving a first current via a first sensing channel and outputting a first sampling voltage based on the first current, a second current integrator receiving a second current via a second sensing channel and outputting a second sampling voltage based on the second current, and a sampling circuit receiving the first and second sampling voltages, followed by storing and holding the first and second sampling voltages, and removing common noise components included in the first and second sampling voltages, a third sampling capacitor and a fourth sampling capacitor which are connected to an output terminal of the second current integrator and store and hold the second sampling voltage, and a plurality of switches which connect first ends of the first sampling capacitor to the fourth sampling capacitor.

Abstract: A display device includes a flexible first substrate including a display part, a bending part at one side of the display part, and a pad part at one side of the bending part; a back film adhered to a portion corresponding to the display part and the pad part on a bottom of the first substrate; a supporting member disposed below a portion of the back film corresponding to the display part, wherein the supporting member is not bent, and wherein the bending part of the first substrate is bent along a side of the supporting member; and a second substrate facing the display part.

Abstract: Discussed is a display device. The display device according to one example includes a first substrate including a display part, a bending part formed at one side of the display part, and a pad part formed at an end of the bending part. The display device further includes a second substrate facing the display part, and a back film adhered to a portion corresponding to the display part and the pad part on the bottom of the first substrate.

Abstract: An operational amplifier circuit includes an operational amplifier and a control circuit. The operational amplifier includes a first input terminal, a second input terminal, and an output terminal connected with the second input terminal. The operational amplifier amplifies a signal provided through the first input terminal, and outputs the amplified signal through the output terminal. The control circuit generates switching signals. In response to the switching signals, the operational amplifier resets the output terminal to a preset voltage, charges the reset output terminal, and compares a voltage of the output terminal charged with a reference voltage provided through the first input terminal to output a comparison voltage.

Abstract: A source driver integrated circuit (IC) for driving a flat panel display is provided. The source driver IC includes a first control logic circuit configured to generate first output signals for driving first source lines arranged in a first region of the flat panel display and a second control logic circuit configured to generate second output signals for driving second source lines arranged in a second region of the flat panel display. A first output delay between two adjacent output signals among the first output signals is different from a second output delay between two adjacent output signals among the second output signals.

Abstract: A display device includes a flexible first substrate including a display part, a bending part at one side of the display part, and a pad part at one side of the bending part; a back film adhered to a portion corresponding to the display part and the pad part on a bottom of the first substrate; a supporting member disposed below a portion of the back film corresponding to the display part, wherein the supporting member is not bent, and wherein the bending part of the first substrate is bent along a side of the supporting member; and a second substrate facing the display part.

Abstract: Discussed is a method of manufacturing a display device. The method of manufacturing the display device according to one example includes providing a first substrate including a display part, a bending part at one side of the display part, and a pad part at an end of the bending part. The method further includes providing a second substrate facing-coupled to the display part, providing a back film, and adhering the back film to a portion corresponding to the display part and the pad part on a bottom of the first substrate.

Abstract: An operational amplifier circuit includes an operational amplifier and a control circuit. The operational amplifier includes a first input terminal, a second input terminal, and an output terminal connected with the second input terminal. The operational amplifier amplifies a signal provided through the first input terminal, and outputs the amplified signal through the output terminal. The control circuit generates switching signals. In response to the switching signals, the operational amplifier resets the output terminal to a preset voltage, charges the reset output terminal, and compares a voltage of the output terminal charged with a reference voltage provided through the first input terminal to output a comparison voltage.

Abstract: A display apparatus includes a source driver printed circuit board (PCB) to provide a control signal, a panel to receive the control signal for controlling display of an image, a connector between the source driver PCB and the panel, and a source driver integrated circuit (IC) attached to the connector. The source driver IC provides a pixel voltage which corresponds to an output signal. The pixel voltage is output during a first predetermined time and is different from a data voltage corresponding to an input signal.

Abstract: Discussed is a method of manufacturing a display device. The method of manufacturing the display device according to one example includes providing a first substrate including a display part, a bending part at one side of the display part, and a pad part at an end of the bending part. The method further includes providing a second substrate facing-coupled to the display part, providing a back film, and adhering the back film to a portion corresponding to the display part and the pad part on a bottom of the first substrate.

Abstract: Discussed is a display device. The display device according to one example includes a first substrate including a display part, a bending part formed at one side of the display part, and a pad part formed at an end of the bending part. The display device further includes a second substrate facing the display part, and a back film adhered to a portion corresponding to the display part and the pad part on the bottom of the first substrate.

Abstract: Discussed is a display device and a method of manufacturing the display device. The display device according to one example includes a display panel including a first substrate and a second substrate facing and coupled to the first substrate, wherein the first substrate includes a display part in which a plurality of pixels are formed, a bending part formed at one side of the display part, and a pad part formed at an end of the bending part; a back film adhered to a portion, corresponding to the display part and the pad part, in a bottom of the first substrate; and a supporting member formed to guide the bending part and support the back film adhered to a portion corresponding to the display part.

Abstract: A wiper apparatus having an integrally formed washer nozzle may include a retainer connected to a driving motor to be rotated, a wiper blade having a center spoiler and side spoilers, a washer module coupled to an upper surface of the center spoiler, a rubber coupled to a lower surface of the wiper blade, and a connector for detachably fastening the wiper blade and the retainer, wherein the connector may be inserted into a connector hole formed on an upper surface of the washer module and may be coupled into recesses of the center spoiler using bosses formed at an inner side thereof, and the retainer may be inserted into opposite insertion holes of the connector through a tip end thereof to be laid on an upper surface of the connector and to be caught by opposite hook coupling parts of the connector through hooks at lower portions thereof.

Abstract: A wiper blade with integral washer nozzles including a blade rubber for wiping a glass of a vehicle, a spoiler combined with a retainer of a wiper arm, secondary levers combined with the spoiler, and yokes combined with the secondary levers, respectively, and supporting the blade rubber, may have a washer nozzle module integrally combined with the spoiler and spraying washer fluid supplied through washer fluid hoses in two directions with respect to the spoiler, wherein the washer nozzle module has washer fluid channels formed therein in a longitudinal direction of the spoiler to spray the washer fluid in two directions, nozzles formed along the washer fluid channels and spraying the washer fluid supplied through the washer fluid channels, and inlets communicating with the washer fluid channels, respectively, and connected with the washer fluid hoses for supplying the washer fluid.

Abstract: An operational amplifying circuit are provided. The operational amplifying circuit includes a control circuit, pull-up and pull-down transistors, first and second bias circuits, and a bias voltage generating circuit. The control circuit includes first and second input terminals, and is configured to change, when an input voltage transitions to a first level, a voltage level of a pull-up node and a pull-down node to a second level different from the first level. The pull-up transistor provides a power supply voltage to the output terminal. The pull-down transistor connects the output terminal to a ground voltage. The first bias circuit provides a first bias current to the control circuit. The bias voltage generating circuit generates a bias voltage when the voltage level of at least one of the pull-up and pull-down nodes reaches a threshold voltage level, and the second bias circuit provides a second bias current to the control circuit.

Abstract: A source driver integrated circuit (IC) for driving a flat panel display is provided. The source driver IC includes a first control logic circuit configured to generate first output signals for driving first source lines arranged in a first region of the flat panel display and a second control logic circuit configured to generate second output signals for driving second source lines arranged in a second region of the flat panel display. A first output delay between two adjacent output signals among the first output signals is different from a second output delay between two adjacent output signals among the second output signals.