Abstract: An electronic device including a high frequency module is disclosed. The electronic device includes a display panel configured to display an image; a first connecting member positioned on a lateral side or a rear side of the display panel; a radio frequency integrated circuit (RFIC) chip mounted on the first connecting member; an antenna disposed on a front side of the display panel; and a second connecting member configured to electrically connect the first connecting member and the antenna, and formed to be more flexible than the first connecting member.

Abstract: An electronic device including a high frequency module is disclosed. The electronic device includes a display panel configured to display an image; a first connecting member positioned on a lateral side or a rear side of the display panel; a radio frequency integrated circuit (RFIC) chip mounted on the first connecting member; an antenna disposed on a front side of the display panel; and a second connecting member configured to electrically connect the first connecting member and the antenna, and formed to be more flexible than the first connecting member.

Abstract: A terminal may include: a sensor unit including a microphone configured to acquire a surrounding sound, and a position sensor configured to identify a position of the terminal; a processor configured to learn the position of the terminal and the surrounding sound to identify characteristics of a dangerous sound depending on the position of the terminal, and determine a setting value of a hearing aid depending on the identified characteristics of the dangerous sound; and a communicator configured to transmit the setting value to the hearing aid.

Abstract: A terminal may include: a sensor unit including a microphone configured to acquire a surrounding sound, and a position sensor configured to identify a position of the terminal; a processor configured to learn the position of the terminal and the surrounding sound to identify characteristics of a dangerous sound depending on the position of the terminal, and determine a setting value of a hearing aid depending on the identified characteristics of the dangerous sound; and a communicator configured to transmit the setting value to the hearing aid.

Abstract: The present invention relates to a composition for detecting microbial contamination comprising a preparation for detecting nucleases, and a use thereof. A probe for measuring nucleic acid double-stranded nucleases, according to the present invention, may detect the comprehensive nucleic acid degradation capability of nucleases, whereby it is possible to quickly and precisely detect and quantify live microorganisms in a sample in a simple manner. Moreover, since the probe of the present invention is characterized in that signals of fluorescence consistently increase; is capable of measuring live microorganisms; and consists of a double-stranded nucleic acid, the probe is excellent for storage in a kit or a cartridge. As such, it is expected that the probe of the present invention may be used to easily and simply measure and compare the degree of contamination of microorganisms in an environment.

Abstract: The present invention relates to a composition for detecting microbial contamination comprising a preparation for detecting nucleases, and a use thereof. A probe for measuring nucleic acid double-stranded nucleases, according to the present invention, may detect the comprehensive nucleic acid degradation capability of nucleases, whereby it is possible to quickly and precisely detect and quantify live microorganisms in a sample in a simple manner. Moreover, since the probe of the present invention is characterized in that signals of fluorescence consistently increase; is capable of measuring live microorganisms; and consists of a double-stranded nucleic acid, the probe is excellent for storage in a kit or a cartridge. As such, it is expected that the probe of the present invention may be used to easily and simply measure and compare the degree of contamination of microorganisms in an environment.

Abstract: There is provided a multi-output power supply capable of maintaining power balancing between multiple output powers by fixing a switching duty until a voltage level reaches a predetermined voltage level during an initial stage of a soft-start operation, the multi-output power supply including a power supply unit switching an input power and outputting a plurality of powers having levels determined according to the switching, and a controller controlling a soft switching operation of the power supply unit during an initial operation and fixing a switching duty of the power supply unit to a preset switching duty according to a result of a comparison between a preset reference voltage level and an operating voltage determining whether the soft switching operation is performed or not during the soft switching operation.

Abstract: There is provided a multi-output power supply apparatus capable of maintaining multiple output voltages in a balanced state by limiting a variable range of a switching duty according to a load state. The multi-output power supply apparatus includes: a power supply unit switching input power to output a plurality of voltages whose power levels are determined according to the switching operation; and a controller detecting power states of at least some of the plurality of voltages from the power supply unit, and limiting a range of a switching duty of the power supply unit to a pre-set range when the detected power states correspond to a pre-set limited power state.

Abstract: There is provided a power supply apparatus capable of precisely control a primary side switching frequency at a secondary side by receiving fed-back information regarding a power state at the secondary side without a separate expensive circuit or a complicated circuit. The power supply apparatus includes: a power supplying unit having a primary side and a secondary side having different ground electrical characteristics, switching power input to the primary side, and transferring the switched power to the second side electrically insulated from the primary side to supply the power; a controlling unit provided on the secondary side and receiving fed-back information regarding a power state of the power supplying unit to control a maximum value and a minimum value of a switching frequency of the primary side; and a transferring unit transferring a control signal from the controlling unit to the primary side of the power supplying unit.

Abstract: There is provided a light emitting diode power supply apparatus capable of limiting a rise in a voltage level of a power supplied to a light emitting diode even in the case in which driving of the light emitting diode is stopped for a long period of time. The light emitting diode power supply apparatus includes: a power supply unit supplying a driving power set under a control to a light emitting diode; and a controlling unit selecting one of a detection voltage obtained by detecting a current flowing to the light emitting diode and a voltage provided according to an operation state of the light emitting diode to control a power supply operation of the power supply unit.

Abstract: There is provided a light emitting diode power supply apparatus capable of limiting a rise in a voltage level of a power supplied to a light emitting diode even in the case in which driving of the light emitting diode is stopped for a long period of time. The light emitting diode power supply apparatus includes: a power supply unit supplying a driving power set under a control to a light emitting diode; and a controlling unit selecting one of a detection voltage obtained by detecting a current flowing to the light emitting diode and a voltage provided according to an operation state of the light emitting diode to control a power supply operation of the power supply unit.

Abstract: The present invention relates to an IC circuit. In an embodiment, an IC circuit includes: an RT terminal connected to an external; a current mirroring unit conducting a channel current between internal voltage power and the RT terminal and generating an internal reference current mirrored with the channel current; a negative feedback unit receiving the internal reference current, equalizing voltages of an RT terminal connection terminal and an internal reference current output terminal of the current mirroring unit to make the internal reference current constant, and providing the internal reference current inside the IC circuit; and an IC state indicating unit having a transistor, which operates complementarily with the current mirroring unit, connected between the RT terminal and a ground and providing the state of an IC or a system to the RT terminal by being linked with the complementary operation of the current mirroring unit.

Abstract: There are provided a power factor correction apparatus and a power supply apparatus, the power supply apparatus including a power supply unit switching input power to supply preset driving power to a load, and a control unit providing a switching control signal having a preset number of pulses for a predetermined time to the power supply unit to control power switching of the power supply unit, and when a voltage level of the driving power is equal to or higher than that of at least one intermediate voltage set between a preset normal operating voltage and a preset abnormal operating voltage, skipping a portion of the number of pulses of the switching control signal for the predetermined time.

Abstract: There is provided a power supply apparatus capable of precisely control a primary side switching frequency at a secondary side by receiving fed-back information regarding a power state at the secondary side without a separate expensive circuit or a complicated circuit. The power supply apparatus includes: a power supplying unit having a primary side and a secondary side having different ground electrical characteristics, switching power input to the primary side, and transferring the switched power to the second side electrically insulated from the primary side to supply the power; a controlling unit provided on the secondary side and receiving fed-back information regarding a power state of the power supplying unit to control a maximum value and a minimum value of a switching frequency of the primary side; and a transferring unit transferring a control signal from the controlling unit to the primary side of the power supplying unit.

Abstract: There is provided a multi-output power supply apparatus capable of maintaining multiple output voltages in a balanced state by limiting a variable range of a switching duty according to a load state. The multi-output power supply apparatus includes: a power supply unit switching input power to output a plurality of voltages whose power levels are determined according to the switching operation; and a controller detecting power states of at least some of the plurality of voltages from the power supply unit, and limiting a range of a switching duty of the power supply unit to a pre-set range when the detected power states correspond to a pre-set limited power state.

Abstract: There is provided a multi-output power supply capable of maintaining power balancing between multiple output powers by fixing a switching duty until a voltage level reaches a predetermined voltage level during an initial stage of a soft-start operation, the multi-output power supply including a power supply unit switching an input power and outputting a plurality of powers having levels determined according to the switching, and a controller controlling a soft switching operation of the power supply unit during an initial operation and fixing a switching duty of the power supply unit to a preset switching duty according to a result of a comparison between a preset reference voltage level and an operating voltage determining whether the soft switching operation is performed or not during the soft switching operation.

Abstract: Disclosed herein is a light emitting diode (LED) driving device for driving a multi-channel LED element or an LED array for each channel, the LED driving device including: a constant current driver driving currents flowing in each channel; and a minimum voltage selector receiving voltage levels of each channel and selecting a minimum voltage level to thereby feedback the selected minimum voltage level to the constant current driver, wherein matching characteristics of currents flowing in each channel is improved and a size of an integrated circuit (IC) chip is also reduced as compared to a case according to the related art, thereby making it possible to reduce a production cost and satisfy the trend of miniaturization of the chip, while solving a performance deterioration problem due to deterioration of the matching of the currents between the channels.

Abstract: There is provided a light emitting diode driving apparatus capable of uniformly controlling current balance between light emitting diode channels. The light emitting diode driving apparatus includes: an AC to DC converting unit converting input AC power into a preset DC driving power; a detecting unit detecting voltage drops generated in a plurality of respective light emitting diode channels each having a plurality of light emitting diodes performing a light emitting operation by receiving the DC driving power; a converting unit converting analog values detected from the detecting unit into digital values; and a driving unit differentially setting switching signal duty cycles in which a driving current is allowed to flow in the plurality of respective light emitting diode channels according to the digital values from the converting unit to drive the plurality of light emitting diode channels.

Abstract: Disclosed herein is a light emitting diode (LED) driving device for driving a multi-channel LED element or an LED array for each channel, the LED driving device including: a constant current driver driving currents flowing in each channel; a first switching unit selectively feeding-back voltage levels of each channel; and a switching controller controlling the turn on/off of the first switching unit, wherein matching characteristics of currents flowing in each channel is improved and a size of an integrated circuit (IC) chip is also reduced as compared to a case according to the related art, thereby making it possible to reduce a production cost and satisfy the trend of miniaturization of the chip, while solving a performance deterioration problem due to degradation of the matching of the currents between the channels.

Abstract: Disclosed herein is a device for controlling current of an LED including a constant current generator, a current mirror, and a current amplifier, the device controlling current of an LED, comprising: a selector outputting an L signal or an H signal according to an input control signal; and a current changing unit formed by connecting at least one switching unit in parallel, the switching unit including a transistor and a switch connected to the transistor in series. The device for controlling current of an LED adjusts current supplied to the current amplifier using a SEL input without an effect of a noise, thereby making it possible to change the current of the LED without separately changing a resistor.