Abstract: The present disclosure provides a wireless power transfer device simplifying the communication interface between a high level component and a low level component centralize loads of the wireless power transfer system and minimize any delay that may arise in processing communication messages, and increase an efficiency of the charging process. The wireless power transfer device supplies energy to an electric vehicle through an EV device in the electric vehicle. The wireless power transfer device includes a supply power circuit that forms a magnetic flux from source power and supplies the energy to the EV device through the magnetic flux. A SECC configured communicates with the EV device and a supply WPTCC performs a P2PS communication with the EV device, under a control of the SECC, transmits and receives data required for positioning, pairing, and alignment checks and operates the supply power circuit.

Abstract: An apparatus and method for compensating for color separation of an image in a holographic head-up display (HUD), caused by a change in characteristics such as a temperature or wavelength of a laser projector. An apparatus (200) for compensating for color separation of an image in a HUD includes a GPU (100); a video signal inputter (110); a temperature sensor (120); a controller (130); a memory (135); a panel driving unit (140) for outputting an image to a panel (160); a laser diode driving unit (150) for driving R, G, and B laser diodes (151), (152), and (153); a lens (70), and a screen (180). Accordingly, an image, the quality of which is degraded due to color separation of an image, may be improved.

Abstract: An apparatus and method for compensating for color separation of an image in a holographic head-up display (HUD), caused by a change in characteristics such as a temperature or wavelength of a laser projector. An apparatus (200) for compensating for color separation of an image in a HUD includes a GPU (100); a video signal inputter (110); a temperature sensor (120); a controller (130); a memory (135); a panel driving unit (140) for outputting an image to a panel (160); a laser diode driving unit (150) for driving R, G, and B laser diodes (151), (152), and (153); a lens (70), and a screen (180). Accordingly, an image, the quality of which is degraded due to color separation of an image, may be improved.

Abstract: A method for controlling wireless power transfer (WPT), performed by an electric vehicle (EV) device receiving power from a supply device is provided. The method includes checking service details regarding at least one method for fine positioning and pairing between the supply device and the EV device and selecting a service. Fine positioning is performed with the supply device according to a pairing method associated with the selected service. Additionally, LF pairing is performed based on the selected service; an initial alignment check is performed using pre-charging power transmission; and LPE pairing is performed based on the selected service and a result of the initial alignment check.

Abstract: A wireless communication method such as a method for supporting a Device to Device (D2D) communication performed in a wireless communication system includes: receiving first and second control signals from first and second user terminals through first and second control channels, respectively; estimating an interference in a first data channel, corresponding to the first control signal or the first control channel, based on the first and the second control signals; receiving a first data signal from the first user terminal through the first data channel; and processing the received first data signal based on a result of the estimation.

Abstract: A charging control method, performed by an electric vehicle supply equipment (EVSE), is provided. The method includes performing a charging session initiation procedure with an EV and calculating a session script hash associated with a charging session. A session access request is received from a user device and confirmed. Based on a result of the confirmation, session authentication is requested to the user device and a session script authentication value is received as a result of the session authentication from the user device. The method also includes determining whether to allow a user access to the charging session according to the session script authentication value.

Abstract: An operating method of a wireless communication apparatus including a plurality of antennas and receiving a data signal through a downlink channel from a base station includes: calculating a plurality of estimated energy efficiencies under a plurality of reception conditions of the wireless communication apparatus in accordance with prior information regarding a number of transmission ranks and a number of receiving antennas to be used for receiving the data signal; and generating channel state information by using the calculated estimated energy efficiencies and determining the number of receiving antennas.

Abstract: Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.

Abstract: A link adaptation method of a wireless communication apparatus including a plurality of antennas to receive data signals through a channel from a base station includes estimating a plurality of data transmission rates of the data signals and power consumptions to process the data signals under a plurality of reception conditions of the wireless communication apparatus based on combinations in a first quantity of transmission ranks from the base station and a second quantity of antennas among the plurality of antennas; calculating a plurality of energy efficiencies by using the power consumptions and the plurality of data transmission rates; and generating a channel state information to perform a link adaptation based on the plurality of energy efficiencies, and determining a number of antennas to receive the data signals, among the plurality of antennas.

Abstract: Disclosed is a quantum dot display device including a light emitting unit configured to generate a light; and a color conversion unit configured to convert the light generated from the light emitting unit to a color light. The color conversion unit includes a quantum dot portion configured to convert the light to the color light; a bridge portion configured to provide a color conversion path of the light passing the quantum dot portion and to vertically guide the light; and a prism portion configured to guide the light passing the bridge portion to an outside. The above configuration may enhance the light efficiency by providing a sufficient color conversion path of light.

Abstract: Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.

Abstract: An apparatus for controlling an Uplink (UL) power in a wireless communication system including a transmitter/receiver and a controller may be provided. The transmitter/receiver may receive/decode Downlink (DL) data, transmit a feedback signal with respect to the DL data, and receive Transmit power Control (TPC) commands from active set cells including a serving cell. The controller may decode the TPC commands to generate a combined TPC command, in which decoded TPC commands of the active set cells are combined, and calculate a transmission error rate of an UL feedback transmission signal and a requested rate of transmit power increase of the serving cell, determine a transmit power gain offset and the requested rate of transmit power increase, determine an UL power for transmitting a feedback signal with respect to the received DL data based on the transmit power gain offset, and transmit the feedback signal based on the UL power.

Abstract: Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.

Abstract: A wireless communication method such as a method for supporting a Device to Device (D2D) communication performed in a wireless communication system includes: receiving first and second control signals from first and second user terminals through first and second control channels, respectively; estimating an interference in a first data channel, corresponding to the first control signal or the first control channel, based on the first and the second control signals; receiving a first data signal from the first user terminal through the first data channel; and processing the received first data signal based on a result of the estimation.

Abstract: A method for manufacturing a light-emitting diode device, according to the present invention, comprises: a first step of preparing a base mold (300) having a plurality of recessed accommodation parts (A); a second step of applying fluorescent resins (320) inside the accommodation parts (A); a third step of mounting, within the accommodation parts (A), light-emitting diode chips (10) having smaller widths than those of the accommodation parts (A) such that the fluorescent resins (320) are pushed up to the top over a gap between the lateral sides of the accommodation parts (A) and the light-emitting diode chips (10) so as to allow the lateral sides of the light-emitting diode chips (10) to be surrounded by the fluorescent resins (320), thereby simultaneously obtaining a plurality of individual light-emitting diode devices; and a fourth step of separating the light-emitting diode devices from the base mold (300).

Abstract: A link adaptation method of a wireless communication apparatus including a plurality of antennas to receive data signals through a channel from a base station includes estimating a plurality of data transmission rates of the data signals and power consumptions to process the data signals under a plurality of reception conditions of the wireless communication apparatus based on combinations in a first quantity of transmission ranks from the base station and a second quantity of antennas among the plurality of antennas; calculating a plurality of energy efficiencies by using the power consumptions and the plurality of data transmission rates; and generating a channel state information to perform a link adaptation based on the plurality of energy efficiencies, and determining a number of antennas to receive the data signals, among the plurality of antennas.

Abstract: Automatic frequency controllers, automatic frequency control methods, wireless communication devices, and/or wireless communication methods are provided. The automatic frequency controllers for correcting a frequency offset between a base station and a terminal includes at least one processor communicatively coupled to a memory and configured to execute computer-readable instructions stored in the memory to obtain a phase estimate from a reference signal received from the base station; classify a downlink channel as a High Speed Train (HST) channel or a non-HST channel based on the phase estimate; adjust a loop gain according to the classified downlink channel; calculate a phase error based on the phase estimate and the loop gain; correct the frequency offset using the phase error; and communicate with the base station after correcting the frequency offset.

Abstract: A display panel and a method for manufacturing the display panel are discussed. The display panel includes a substrate; an active layer on the substrate; and a passivation layer on the active layer, wherein the active layer includes a channel part, a first electrode connection part and a second electrode connection part on opposite sides of the channel part in a first direction, and a first taper part and a second taper part on opposite sides of the channel part in a second direction crossing the first direction, and wherein a carrier concentration of each of the first taper part and the second taper part is different from those of the channel part, the first electrode connection part and the second electrode connection part.

Abstract: Disclosed is a quantum dot display device including a light emitting unit configured to generate a light; and a color conversion unit configured to convert the light generated from the light emitting unit to a color light. The color conversion unit includes a quantum dot portion configured to convert the light to the color light; a bridge portion configured to provide a color conversion path of the light passing the quantum dot portion and to vertically guide the light; and a prism portion configured to guide the light passing the bridge portion to an outside. The above configuration may enhance the light efficiency by providing a sufficient color conversion path of light.

Abstract: An apparatus for controlling an Uplink (UL) power in a wireless communication system including a transmitter/receiver and a controller may be provided. The transmitter/receiver may receive/decode Downlink (DL) data, transmit a feedback signal with respect to the DL data, and receive Transmit power Control (TPC) commands from active set cells including a serving cell. The controller may decode the TPC commands to generate a combined TPC command, in which decoded TPC commands of the active set cells are combined, and calculate a transmission error rate of an UL feedback transmission signal and a requested rate of transmit power increase of the serving cell, determine a transmit power gain offset and the requested rate of transmit power increase, determine an UL power for transmitting a feedback signal with respect to the received DL data based on the transmit power gain offset, and transmit the feedback signal based on the UL power.