Lg Electronics Inc.

Soongsil University

Hyundai Motor Company

Kia Corporation

Woojin Choi

Sungeun Kim

Sunho Hwang

Changhoe Kim

Donghee Lee

Taejin Park

Changhoon Kim

Eunkyung Jung

Yongwoo Yoo

Long Tran Van

Jaeho Lee

Jihoon Kim

Sangwon Lee

Sangyun Kim

Seunghyun Heo

Won Jae Choi

Hee Yeon Ryu

Jongil Park

Sangjo Kim

Hyosung Kim

Bongju Kim

Dongmyung Shin

Woojin Jeong

Younggyu Jung

Youngjae Jung

Sangrok Lee

Hojun Nam

Donguk Lee

Joonghee Han

Gahyun Sun

Hyeongjin Park

Hyeryoung Jeong

Seungjune Lee

Hyokak Kim

Jaekyung Oh

Ju Seok Kim

Moonyoung Heo

Kanghak Han

Subin Kang

Bohyun Lee

Chulkyu Lee

Farhan Farooq

Hoseon Rew

Tuan Nguyen Thanh

Moonsik Choi

Duong Tran Dai

Hung Tran Duc

Seokho Jang

A display device according to an embodiment of the present disclosure may comprise: a roller accommodated in the housing; a display configured to be withdrawn from or retracted into the housing by operating the roller; and a control unit configured to control the roller such that a screen of the display is formed to face at least one of a first direction and a second direction.

Display device

An embodiment of the present disclosure provides a display device for adjusting recognition sensitivity of a speech recognition starting word, the display device including a display, a microphone, a memory configured to store a default starting word recognition engine that recognizes a speech recognition starting word, and a processor configured to determine a valid recognition threshold range of the default starting word recognition engine, assign recognition thresholds within the valid recognition threshold range to a predetermined number of sensitivity levels, display a sensitivity setting interface including the sensitivity levels through the display, and set a default recognition threshold of the default starting word recognition engine to a recognition threshold selected through the sensitivity setting interface.

Display device for adjusting recognition sensitivity of speech recognition starting word and operation method thereof

According to an embodiment of the present disclosure, a display device includes a microphone, a wake-up word recognition unit configured to determine whether a voice wake-up word received through the microphone is recognized, and a main processor configured to, when recognition of the voice wake-up word is successful in the wake-up word recognition unit, determine whether the voice wake-up word is a normal wake-up word based on feature information of the voice wake-up word, and, when it is determined that the voice wake-up word is the normal wake-up word, perform a function corresponding to a received speech command as the speech command is received through the microphone.

Disclosed herein is a display apparatus configured to rotate around a fixed axis. The display apparatus includes: a display configured to rotate around the fixed axis and display an image; and a controller configured to process an original image and control the display to display the original image, wherein the original image is stored in a memory or received through wired or wireless communication. The controller is configured to: obtain an output image by processing a central area including an object in the original image to be suitable for a rotation state of the display and a resolution of the display; and control the display to display the obtained output image.

Properly displaying image depending on display rotation state of display

A display apparatus including a housing; a display; a roller accommodated in the housing to rotate and roll or unroll the display; and a processor configured to in response to receiving a command to display content, control the roller to rotate and unroll the display from the housing so the display is drawn out and extended from the housing, and control the display to display an entire image of the content while simultaneously expanding a size of the entire image of the content as the display is being extended from the housing so a partial portion of the content is not blocked from being viewed as the display is drawn out and extended from the housing.

Display apparatus

A display device including an external device interface configured to connect the display device to an external speaker; a microphone configured to receive a microphone signal; and a controller configured to: transmit an inaudible test signal to the external speaker to measure a signal delay between the external speaker and the display device, and extract a voice signal by removing an acoustic signal output from the external speaker from the microphone signal based on the measured signal delay.

A battery diagnosis apparatus determines whether a battery may be reused and includes a data obtaining device configured to output a perturbation signal, a signal regulating device configured to generate a current by applying the perturbation signal to a battery and performing feedback of a current signal output from the battery, and a noise canceling device configured to cancel noises of the current signal and a voltage signal received from the battery. The data obtaining device outputs the perturbation signal while changing a frequency, obtains an impedance spectrum based on the noise-canceled current signal and voltage signal for each frequency, and determines whether to reuse the battery based on the obtained impedance spectrum.

Battery diagnosis apparatus

Disclosed is an artificial intelligence apparatus for recognizing a plurality of wake-up words, including a microphone, a memory configured to store a first wake-up word recognition engine, a communication interface configured to communicate with a server storing a second wake-up word recognition engine, and a processor configured to acquire an audio signal through the microphone, generate a pre-processed audio signal from the acquired audio signal, extract a voice interval from the generated pre-processed audio signal, set a wake-up word recognition interval comprising the extracted voice interval and a buffer interval corresponding to the extracted voice interval in the generated pre-processed audio signal, wherein the wake-up word recognition interval is an interval used for recognizing wake-up words, and transmit the set wake-up recognition interval in the generated pre-processed audio signal to the first wake-up word recognition engine and the second wake-up word recognition engine.

Artificial intelligence apparatus and method for recognizing plurality of wake-up words

The present invention may provide a display device that automatically configures a remote controller so that an external device connected to the display device can be controlled. According to the present display device, a power control code can be recognized on the basis of a response of a connected external device, and a control code set corresponding to the power control code can be received through a server. When there are a plurality of control code sets corresponding to the power control code, the corresponding control code sets can be received through the server by performing comparison with a user interface included in the video image received from the external device.

Display device and control method therefor

Provided is a resonance converter for a wireless charger, which includes a full bridge inverter connected to an input power source that supplies an input voltage and having first to fourth switches, a resonance tank having a plurality of resonators composed of capacitors and coils connected in series and configured to receive the input voltage from the full bridge inverter and perform voltage conversion in an inductive power transfer manner among the plurality of resonators, and a rectification bridge configured to rectify an output voltage sent from the resonance tank and transfer the rectified output voltage to a battery.

Resonance converter for wireless charger and method for implementing the same

A display device operation method according to an embodiment of the present invention comprises the steps of: outputting first content on a screen of the display device; receiving a screen link request for linking a first screen of the display device and a second screen of another display device connected to the display device; and controlling the display device and another display device such that the first content is output on a merged screen in which the first screen and the second screen are merged according to the received screen link request.

Display device and operation method therefor

A display device includes a display unit, an external device interface unit configured to receive an image signal from a set-top box connected to the display device, and a control unit configured to, if a broadcast channel is changed, display a broadcast image of the changed broadcast channel based on the image signal received from the set-top box, to recognize the channel number of the broadcast image by using the displayed broadcast image, and to display broadcasting information related to the recognized channel number on the display unit.

Provided is an active clamp full bridge converter, which includes: a transformer having a primary coil and a secondary coil and configured to convert a voltage; a primary circuit connected to an input capacitor for supplying an input power and including a full bridge circuit having first to fourth switches to transmit the input power to the primary coil according to a switching operation of the first to fourth switches; and a secondary circuit connected to the secondary coil and including a rectifying bridge circuit having first to fourth diodes, an active clamp circuit connected to the rectifying bridge circuit and composed of an active clamp switch and a clamping capacitor connected in series, and an output inductor connected to the active clamp circuit, to transmit an energy received from the primary circuit by the transformer to an output capacitor connected to the output inductor and the active clamp circuit.

Active clamp full bridge converter and driving method thereof

Provided are a battery state estimation method and system and a recording medium for performing the method. The battery state estimation is provided by applying an ARX model and a dual extended Kalman filter. A battery state estimation system estimates a parameter of a battery model using an ARX model and estimates a battery state by applying the estimated parameter of the battery model to a dual extended Kalman filter including a state filter used to estimate a state of charge (SOC) and a weight filter used to estimate a state of health (SOH) of the battery.

Battery state estimation method and system using dual extended kalman filter, and recording medium for performing the method

Provided herein is a charger having a battery diagnosis function. The charger is connected between an input power supply supplying an input voltage and a battery and charges the battery with the input voltage. The charger includes a full-bridge-circuit connected to the input power supply and comprising a first switch, a second switch, a third switch, and a fourth switch, a transformer including a primary winding and a secondary winding, wherein the primary winding is connected to the full-bridge-circuit to transform the input voltage received from the full-bridge-circuit and transmits the voltage to the secondary winding, and a rectifying circuit comprising a fifth switch and a sixth switch, connected between the secondary winding and the battery, and rectifying the voltage received from the transformer to charge the battery, or transmitting power in two directions for diagnosing a state-of-health of the battery.

Charger having battery diagnosis function and method of driving the same

Growing community of inventors

Seoul, South Korea

Woojin Choi