Patent application number | Description | Published |
20130169517 | POWER SUPPLYING APPARATUS, POWER SUPPLYING METHOD, ORGANIC LIGHT-EMITTING DIODE DISPLAY APPARATUS - A power supplying apparatus, a power supplying method, an organic light-emitting diode (OLED) display apparatus are provided. The OLED display apparatus includes: a plurality of components which are to perform an operation of the OLED display apparatus; a power supplying unit; a rectifier which rectifies an input voltage supplied from the power supplying unit; and a voltage level converter which converts a level of the input voltage rectified by the rectifier and supplies the input voltage having the converted level to the plurality of components. | 07-04-2013 |
20130169695 | POWER SUPPLY DEVICE, DISPLAY APPARATUS HAVING THE SAME, AND POWER SUPPLY METHOD - A display apparatus includes an OLED panel receiving an input of a video signal and a plurality of driving power levels for RGB colors and displaying an image, a video signal providing unit providing the video signal to the OLED panel, and a power supply supplying the plurality of driving power levels to the OLED panel unit and performing individual feedback control for each of the plurality of driving power levels. | 07-04-2013 |
20130169697 | DEVICE AND METHOD FOR DISPLAYING IMAGE, DEVICE AND METHOD FOR SUPPLYING POWER, AND METHOD FOR ADJUSTING BRIGHTNESS OF CONTENTS - 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. | 07-04-2013 |
20140001975 | LIGHT EMITTING DIODE DRIVING APPARATUS, DRIVING METHOD OF LIGHT EMITTING DIODE, AND COMPUTER-READABLE RECORDING MEDIUM | 01-02-2014 |
20140056034 | DC/DC CONVERTER, ELECTRONIC APPARATUS HAVING THE SAME AND DC/DC CONVERSION METHOD THEREOF - 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. | 02-27-2014 |
20140218421 | DISPLAY APPARATUS AND CONTROL METHOD THEREOF - 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. | 08-07-2014 |
20140354168 | POWER SUPPLY AND METHOD FOR CONTROLLING THE SAME - A power supply includes an inputter including an input capacitor and configured to receive an input DC voltage, a converter including an output capacitor and configured to convert the input DC voltage and to output the converted DC voltage, and a controller configured to control the converter to output a voltage corresponding to a reference voltage. | 12-04-2014 |
20150128183 | BROADCAST RECEIVING APPARATUS AND METHOD FOR TUNING CHANNEL THEREOF - A broadcast receiving apparatus and a method for tuning a channel of a broadcast receiving apparatus is provided. The method includes displaying contents received through a broadcast channel, changing, if a channel zapping command is received, the broadcast channel, displaying, if the channel zapping command is consecutively received a plurality of times within a predetermined amount of time, a user interface (UI) using which a user can select a broadcast channel, and tuning, if a broadcast channel is selected from the UI, the selected broadcast channel. | 05-07-2015 |