Samsung Electronics Co., Ltd.

Myoung-jun Lee

Sang-hoon Lee

Hyun-kyu Yun

Byeong-cheol Hyeon

Sung-jin Choi

Byuk-sun Kim

Byung-jo Jun

Jae-won Jung

Sang-hoon Eum

Tae-hoon Kim

Pankaj Agarwal

Kwan-young Kim

Moon-sung Na

Youn-Hee Kim

Young-deok Kim

Sang-Jin Kim

Yong-deok Kim

Jae-sung Park

Joon-hyun Yang

Min-sup Kim

Hyung-rae Kim

Kang-hyun Yi

Eun-il Cho

Kun-ho Keum

Tac-hoon Kim

A display apparatus including a display configured to display a pointing object, a communicator configured to perform communication with a remote control device which recognizes a movement and transmits a signal corresponding to the recognized movement, and a processor configured to control a moving state of the pointing object based on the signal received from the remote control device. The processor controls the moving state of the pointing object according to a relative coordinate method for a first area where a screen of the display is included, and controls the moving state of the pointing object according to an absolute coordinate method for a second area outside the first area.

Display apparatus and control method thereof

A user terminal device, a method for controlling the user terminal device, and a system for providing content are disclosed. The user terminal device may include a communicator configured to communicate with a display device, a detector configured to detect a distance between the user terminal device and the display device, a plurality of inputters configured to receive input of a user command, and a controller. The controller is configured to activate at least one of the plurality of inputters in response to a detection that the user terminal is within a predetermined distance with respect to the display device. The user terminal device may control an operation of the display device according to the distance between the user terminal device and the display device.

User terminal device and method for control thereof and system for providing contents

Disclosed are a display apparatus and a control method thereof, the display apparatus including: a display unit which includes a plurality of pixels with an organic light emitting diode (OLED); a power supply which supplies power to the display unit; an image processor which processes an image signal in accordance with the plurality of pixels; and a controller which divides the frame into a plurality of sub-frames, assigns bit weights to each of the divided sub-frames, and controls the power supply to supply a voltage which is adjusted by the assigned bit weights in accordance with the sub-frames to the display unit.

A display apparatus is disclosed. The display apparatus includes a display, an input unit configured to receive a handwriting trace, in response to a user handwriting being performed at a remote control apparatus; a detector configured to determine text corresponding to the handwriting trace; and a controller configured to search for an item corresponding to the text, classify the item into a plurality of categories, and control the display to display the item on the display.

Display apparatus and the method thereof

A display apparatus is provided, which includes a receiver configured to receive a writing trace performed on a remote controller, a detector configured to extract a character that corresponds to the writing trace, a display configured to display the character and at least one item that corresponds to the character, and a controller configured to, if a user's operation is performed in one direction on the remote controller, automatically execute a function that corresponds to the at least one item that is positioned in the direction in which the user's operation is performed.

Display apparatus and method for controlling the same

A multi-output DC/DC converter, which may be included in an electronic apparatus, performs sync switching control using a simplified configuration. The DC/DC converter may include a first switching unit which alternately switches input DC power and converts the DC power into AC power, a converter which converts the AC power and outputs first power and second power, a first output unit which receives the first power and outputs an output voltage, a second output unit which includes a second switching unit, and receives and switches the second power through the second switching unit and outputs an output voltage, and a controller which detects a voltage applied to a winding wire of the first output unit, generates a sync signal by using the detected voltage, compares the sync signal with a predetermined reference and controls the second switching unit to synchronize the second switching unit with the first switching unit.

DC/DC converter, electronic apparatus having the same and DC/DC conversion method thereof

A device and a method for displaying an image, a device and a method for supplying power, and a method for adjusting brightness of contents are provided. The device for displaying the image includes: a pixel value converter which, if a plurality of color pixel values of the image is received, converts the received color pixel values; a display panel which includes a plurality of color light-emitting devices and which drives each of the plurality of color light-emitting devices based on the converted color pixel values; a light-emission controller which provides the display panel with a control signal which variably controls respective driving times of each of the color light-emitting devices based on colors; and a global controller which controls the light-emission controller to variably adjust a duty ratio of the control signal based on colors and the converted color pixel values.

Device and method for displaying image, device and method for supplying power, and method for adjusting brightness of contents

A display apparatus is provided. The display apparatus includes a communicator configured to communicate with an input apparatus comprising a touch pad, and receive coordinate data corresponding to a dragging trajectory input through the touch pad. The display apparatus also includes a display configured to display the dragging trajectory on a screen based on the received coordinate data; and a controller configured to recognize a number or character corresponding to the dragging trajectory based on the received coordinate data, and provide visual feedback adjusting the displayed dragging trajectory according to a recognition result.

Input apparatus, display apparatus, and control methods thereof

A display apparatus is provided. The display apparatus includes: a display panel; and a backlight unit which provides the display panel with backlight. The backlight unit includes: a converter which converts a voltage of a received power and outputs an output power, a plurality of light source modules which receives the output power from the converter, and a control unit which determines powering conditions to operate the plurality of the light source modules in a specific state for each of the plurality of light source modules, and controls the converter sequentially based on the determined powering conditions.

Display apparatus and backlight unit

A light emitting diode (LED) driving apparatus includes a DC-DC converter which provides a driving voltage to a plurality of LED arrays; a plurality of switching units, each of the switching units being connected in series to a corresponding LED array of the plurality of LED arrays and varying a size of a driving current to flow in the corresponding LED array of the plurality of LED arrays; and a control unit which, in order for each of the switching units to operate within a predetermined headroom voltage range, calculates a driving current of each of the plurality of LED arrays and a duty cycle of the switching units corresponding to each of the plurality of LED arrays, and controls the plurality of switching units based on the calculated driving current and the calculated duty cycle.

Light emitting diode driving apparatus, driving method of light emitting diode, and computer-readable recording medium

Three-dimensional (3D) glasses and a system for wireless power transmission are provided. The 3D glasses include a frame, a resonance reception part which includes a reception conductive wire loop and a resonance capacitor for wireless charging, a rectification part which rectifies a voltage generated by the resonance reception part, and a charging part which charges a battery using the rectified voltage. The frame includes a first temple, a second temple, a first lens holder part, a second lens holder part, and a bridge part connecting the first lens holder part and the second lens holder part.

Three-dimensional glasses and system for wireless power transmission

A display apparatus and a method thereof including: a display unit which displays an image based on a video signal; a battery unit which supplies battery power; and a controller which controls adjusts brightness of the image based on residual quantity of the battery unit when the battery power is supplied.

A light emitting diode (LED) driver circuit is provided. The LED driver circuit includes an LED the LED; a power unit which provides a current to the LED through an inductor; a dimming switch which is connected to the LED and bypasses the current provided to the LED; an input unit which receives brightness information of the LED; a logic unit which calculates reference currents for each driving mode according to the received brightness information; a current control unit which controls the power unit to provide the current based on the driving mode and the calculated reference currents to the inductor; and a switch control unit which switches the dimming switch on if the driving mode of the LED driver circuit is switched to the dimming mode.

LED driver circuit and method of driving LED

A backlight unit and a display apparatus are provided. The display apparatus includes a power supply unit which outputs a first voltage; a light emitting unit which includes a first end connected to the power supply unit, and a second end, the first end receiving the first voltage from the power supply unit; and a compensation unit which includes a first end connected to the second end of the light emitting unit, and which compensates a deviation between the first voltage and a rated voltage of the light emitting unit.

Growing community of inventors

Bucheon-si, South Korea

Myoung-jun Lee