Feelux Co., Ltd.

Anapass Inc.

Yonsei University

Kh Feelux Co., Ltd.

Ventures Lab, Co., Ltd.

Feelux Lighting, Inc.

Jun Young Jang

Beom Yeon Cho

Si Chung Noh

Joon Bae Park

Dong Joon Lee

Hyun Seung Lee

Tae Wook Kim

Jin Myeong Kim

Dae Ouk Bae

Bum Yeon Cho

Ha Young Jhun

Ji Youn Kim

Doo Won Jang

Ho Bok Hong

Sang Il Gil

An apparatus for estimating an angle of arrival, comprises: a window setting unit for setting a window time that is a time interval for comparing a template signal and each of a plurality of reception signals obtained by receiving a transmission signal transmitted a pre-designated number of times; a template generator that generates a template signal of a waveform corresponding to the transmission signal, by adjusting a generation time point in units of the window time; a plurality of signal correlators provided corresponding to each of the plurality of antennas, and detecting a level of a correlation signal obtained by correlating a corresponding reception signal; and an angle of arrival determination unit, determining a reception time at which each of the plurality of reception signals is received by a corresponding antenna, and estimating the angle of arrival of the transmission signal using a difference between the determined reception times.

Apparatus and method for estimating angle of arrival based on ultra-wideband wireless communication

Ceiling light

A lighting device according to an embodiment of the present disclosure includes a lighting part which includes a substrate provided along a longitudinal direction of the lighting device and a lighting unit provided on the substrate, and a diffusing part which is provided along the longitudinal direction of the lighting device, accommodates the lighting part therein, and diffuses light generated in the lighting part.

Lighting device

A display device for displaying an image, includes: a data line driver which includes a buffer configured to supply a reference voltage to a load including pixels and a boost circuit configured to supply a charging voltage to the load including the pixels; and a calibration unit which controls the boost circuit to supply the charging voltage to the load for a driving time and controls the driving time according to a difference between a target voltage and a voltage formed after charge sharing is performed in the load to which the charging voltage is supplied.

Display device and method of calibrating driving time of boost circuit

A method of calibrating a boost circuit includes: resetting a load to a reference voltage; supplying a charging voltage to the load through a boost circuit for a driving time such that charge sharing is performed in the load; comparing a voltage of the load after the charge sharing with a target voltage; and adjusting a duration of the driving time according to a result of the comparing.

Disclosed is a method for driving a display. The method includes calculating differences between digital codes corresponding to grayscale voltages each provided to pixels connected to the same data line and gate lines which are sequentially driven, summing digital code differences of a threshold value or more, generating a compensation code corresponding to the summation result, and providing grayscale voltages compensated with the compensation code to pixels of which digital codes have a difference of less than the threshold value.

Device and method for driving display

A connection device according to an embodiment disclosed herein is a connection device connected to a flexible lighting device and includes a body part, a connection terminal protruding toward the flexible lighting device from the body part and electrically connected to the flexible lighting device, a lighting device guide part provided to protrude toward the flexible lighting device from the body part, configured to guide the flexible lighting device to be inserted into the connection device and having one or more side surfaces provided to be open, and a clip part coupled to an outer side of the lighting device guide part at one open side surface of the lighting device guide part and provided to be fixed to one side surface of the flexible lighting device, which is exposed to the outside due to the one open side surface.

Connection device and flexible lighting system with the same

Toothbrush sterilizer

Lighting apparatus

Disclosed is a high-speed track-and-hold device including a buffer stage circuit including a PMOS source follower and a post linear circuit, and a sampling stage circuit that is responsible for supplying a source voltage (V) to the buffer stage circuit and that is arranged so that a switch connected to a gate is connected to the source voltage (V) and the NMOS transistor of a sampling stage is turned off in hold operation.

High-speed track-and-hold device using RF linearization technique

A lighting apparatus includes a rail unit, and an electric unit that is installed on the rail unit so as to be adjustable in position. The electric unit makes contact with the rail unit and receives power from the rail unit. In the lighting apparatus according to the present invention, a plurality of electric units can be installed on a rail unit so as to be adjustable in position, and even if the position of each electric unit is changed, power can be reliably supplied from the rail unit to the electric unit. Therefore, the present invention can be effectively used as lighting for several places, for instance, a place with a comparatively large area, or a place where intensely bright lighting is required.

Growing community of inventors

Seoul, South Korea

Jun Young Jang