Lg Display Co., Ltd.

Lg Electronics Inc.

Dongbu Hitek Co., Ltd.

Dongbu Electronics, Co. Ltd.

Hyundai Motor Company

Kia Motors Corporation

Lg Philips Lcd Co., Inc.

Postech Academy-industry Foundation

Dongbu Anam Semiconductor, Inc.

Ewha University-Industry Collaboration Foundation

University of Ulsan Foundation for Industry Cooperation

The Asan Foundation

Osong Medical Innovation Foundation

Hoon Jang

Minho Kim

Soonki Jung

Soondong Cho

Jingyu Ji

Jongho Park

Dongkoo Han

Heesang Yoon

Hyeonggeun Kim

Keunho Roh

Younggwan Song

Youngseok Kim

Jewook Jeon

Wonyong Jang

Juno Hur

Soon-Dong Cho

Soon Dong Cho

Dongju Kim

Dong Ju Kim

Keun Hyuk Lim

Won-Yong Jang

Jongwoo Kim

Sang-Uk Lee

Ki Hean Kim

Jongwon Yun

Won Yong Jang

Jun O Hur

Seunghun Lee

Viet Hoan Le

Taehwa Park

Jin Hee Jeon

Hee Jung Hong

In Su Kim

Eui Yeol Oh

Jungjae Kim

Jong Hyun Choi

Jung Jae Kim

Min-Gyu Park

Byoung Ju Choi

Myoung Joon Kim

Dong-Ju Kim

Seonghan Kim

Hoonbae Kim

Seong Han Kim

Seung Jae Myung

WonYong Jang

Soo Hyun Park

Insu Kim

Bumju Kim

Hyeon A Chae

Wonyeong Park

Seungrag Lee

A level shifter includes a first power input terminal to which a first gate voltage may be applied; a second power input terminal to which a second gate voltage may be applied; a third power input terminal to which a third gate voltage may be applied; an output terminal; a first switch element configured to electrically connect the first power input terminal to the output terminal in response to a voltage of on-intervals of a first control signal; a second switch element configured to electrically connect the second power input terminal to the output terminal in response to a voltage of on-intervals of a second control signal; and a third switch element configured to electrically connect the third power input terminal to the output terminal in response to a voltage of on-intervals of a third control signal.

Level shifter and display device including the same

A power supply according to an embodiment and a display device including the same are disclosed. The power supply according to the embodiment includes a reference voltage generation circuit configured to adjust a voltage level of a reference voltage and output the reference voltage when an input voltage is smaller than or equal to a selected threshold value. The power supply includes a power voltage generation circuit configured to adjust and provide an output power according to a fluctuation amount of the input voltage based on the adjusted reference voltage. The output power is varied either by changing the output voltage or by changing the output current.

Power supply and display device including the same

A display apparatus includes a display panel driven based on a first gate clock and a second gate clock, a clock supply circuit including a first output terminal for an output of the first gate clock and a second output terminal for an output of the second gate clock, supplying the first output terminal with one of a gate high voltage and a gate low voltage as a first test voltage, and supplying the second output terminal with the other of the gate high voltage and the gate low voltage as a second test voltage, for a first time immediately after a system power is applied thereto, a power generator generating the gate high voltage and the gate low voltage and supplying the gate high voltage and the gate low voltage to the clock supply circuit, and an overcurrent detector receiving a flag signal to recognize overcurrent from the power generator to shut down the power generator, when the first output terminal and the second output terminal are short-circuited with each other at the first time interval.

Display apparatus and overcurrent detection method thereof

A power supply includes a first converter configured to convert an input voltage into a first output voltage, a first feedback circuit configured to output a first pulse width modulation (PWM) signal to the first converter to control a level of the first output voltage, and a mode controller configured to compare the input voltage and a reference voltage and determine whether the first converter operates in a first mode or a second mode based on the compared result. When the input voltage is less than or equal to the reference voltage, the first converter boosts the input voltage and outputs the boosted voltage as the first output voltage in the first mode. Further, when the input voltage is greater than the reference voltage, the first converter bypasses the input voltage and outputs the bypassed voltage as the first output voltage in the second mode.

Display device

A water ejecting apparatus includes a case and a water ejection unit coupled to one side of the case. The water ejection unit includes a fixed cover connected to the case and including a lifting gear provided on one side thereof and extending in an up-down direction and a guide bar provided on the other side thereof and extending in the up-down direction, a lifting cover movably accommodated inside the fixed cover, a lifting motor coupled to the lifting cover and configured to interwork with the lifting motor, and a water ejection nozzle installed at a lower end of the lifting cover and configured to eject water. One side of the gear module is in contact with and supported by the lifting gear and the other side thereof is in contact with and supported by the guide bar.

Water ejecting apparatus

A water ejecting apparatus includes a case and a water ejection unit coupled to one side of the case. The water ejection unit includes a rotator seated inside at a front of the case, a first lifting cover coupled to one side of the rotator and allowing a lifting gear extending in an up-down direction to be fixed thereto, a second lifting cover movably accommodated inside the first lifting cover, a lifting motor coupled to the second lifting cover and configured to interwork with the lifting motor, and a water ejection nozzle installed at a lower end of the second lifting cover and configured to eject water. A water ejection pipe having one end connected to the water ejection nozzle and the other end extending to an inside of the case is disposed in a lower space of the lifting motor and the gear module.

A display device can include a display panel having a plurality of pixels disposed on a substrate, and a power supplier configured to supply a driving voltage to the display panel. The power supplier can include a first converter configured to receive an input voltage supplied from an external system and convert the input voltage into a boost voltage, a second converter configured to convert the boost voltage into the driving voltage, a first feedback unit configured to output a first pulse width modulation (PWM) signal to the first converter so that the boost voltage is proportional to a first reference voltage, and a second feedback unit configured to output a second PWM signal to the second converter so that the driving voltage is proportional to a second reference voltage.

A touch display device operates between a normal mode and a sleep mode, the touch display device including: a display panel; a touch panel; a data drive circuit to supply a data voltage; a touch drive circuit to supply a touch driving signal; a timing controller to supply a data control signal; a micro-control unit to supply a touch synchronization signal; and a power supply to supply a first and second driving voltage, the power supply including: a first converter to output the first driving voltage; a second converter to output the second driving voltage; a first switching unit to supply the first or second input voltage to the first converter; a second switching unit to supply the first or second input voltage to the second converter; and a switching control circuit to control the first and second switching units. Therefore, power consumption of the power supply is reduced.

Power supply and touch display device including the same

A test apparatus for generating a test case based on a fault injection technique and a method of controlling the same are disclosed. The method includes identifying at least one function in a program to be tested based on a software detailed design, generating a test design document based on fault location that can be generated in connection with the identified at least one function and a fault type to be injected into the fault location, searching for the fault location to be injected based on the generated test design document and source code of the program, determining a fault injection scheme and the fault type, and predicting a result by applying a fault injection corresponding to the fault injection scheme and the fault type into the searched location to generate a test case.

Vehicle function test apparatus and method of controlling the same

The present disclosure may provide a display apparatus including a display panel configured to display an image, a shift register configured to supply a scan signal to the display panel, a level shifter configured to output clock signals for driving the shift register, a power supply configured to supply a gate voltage to the level shifter, and a controller configured to sense a node voltage of a circuit generating the gate voltage, detect a short circuit between the clock signals based on a sensed value and an internal reference value, and control the power supply when the short circuit occurs between the clock signals.

Power supply and display apparatus including the same

A water ejecting apparatus includes a case and a water ejection unit connected to one side of the case. The water ejection unit includes a fixed cover, a lifting cover, a lifting motor, a water ejection nozzle, a touch bar, a detection sensor, and a controller. The fixed cover is connected to the case. The lifting cover is movably received in the fixed cover and coupled to the lifting motor. The water ejection nozzle is installed at a lower end of the lifting cover and configured to eject water. The touch bar is at least partially received in the lifting cover and moves when in contact with a container placed below the water ejection nozzle. The detection sensor detects movement of the touch bar. The controller changes operation of the lifting motor when the detection sensor detects movement of the touch bar.

A water ejecting apparatus includes a case and a water ejection unit connected to the case. The water ejection unit includes a fixed cover connected to the case, having atop dead point and a bottom dead point, and including a lifting gear provided between the top dead point and the bottom dead point, a lifting cover movably coupled to the fixed cover, a lifting motor coupled to the lifting cover and a gear module interworking with the lifting motor and the lifting gear, a water ejection nozzle for ejecting water, a signal detecting unit that detects a frequency generation (FG) signal generated by the lifting motor during an operation of the lifting motor, and a controller configured to control the operation of the lifting motor upon determining that the lifting cover reaches the top dead point or the bottom dead point based on the FG signal.

Provided is a water purifier. The water purifier includes a water purifier body provided with a filter, purifying raw water supplied from the outside, and supplying purified water, a water discharge module of which at least a portion is coupled to protrude to the front of the water purifier body so that at least a portion thereof rotates or is elevated with respect to the water purifier body and which is provided with a water discharge nozzle, which supplies the purified water supplied from the water purifier body to a user, in a lower end thereof, a driving unit providing power providing power required for the rotation and elevation of the water discharge module, a detection unit installed in the water purifier body or the water discharge module to recognize a position and size of a container placed around the water purifier body, and a control unit receiving position information and size information of the container from the detection unit to control the driving unit so that the water discharge nozzle moves above the container.

Water purifier and method for controlling the same

A purification device comprises a main body having an opening in a front-face thereof; a rotator disposed in the opening to be rotatably mounted on the main body; a manipulation structure spaced from and above the rotator and rotatably connected to a top face of the main body, the manipulation structure protruding forward of the main body; and a water-outlet including; a first cover fixed to the rotator through the opening, the first cover protruding forward of the main body, and a top of the first cover being connected to a bottom of the manipulation structure; a second cover vertically movable while being held in contact with the first cover; and a nozzle on a bottom of the second cover; wherein when the second cover rises to a highest level, a top of the second cover is located in a space between the rotator and the manipulation structure.

Liquid dispenser

A water ejecting apparatus includes a case and a water ejection unit coupled to one side of the case. The water ejection unit includes a first lifting cover connected to the case and allowing a lifting gear to be fixed thereto, a second lifting cover movably accommodated inside the first lifting cover, a lifting motor coupled to the second lifting cover and configured to interwork with the lifting motor, and a water ejection nozzle installed at a lower end of the second lifting cover and configured to allow water to be ejected therethrough. The lifting gear has gear teeth is provided on one side thereof in an up-down direction and at least one reinforcing hole or reinforcing recess provided on the other side thereof.

Growing community of inventors

Seoul, South Korea

Hoon Jang