| Patent application number | Description | Published |
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| 20100253665 | CURRENT BALANCING APPARATUS, POWER SUPPLY APPARATUS, LIGHTING APPARATUS, AND CURRENT BALANCING METHOD THEREOF - A current balancing apparatus, a power supply apparatus, a lighting apparatus, and a current balancing method for preventing luminance imbalance are provided. The current balancing apparatus includes a balancer for balancing an AC current and a rectifier for generating a DC current by rectifying the balanced current. Hence, the luminance imbalance caused by dispersion of a light source can be addressed. | 10-07-2010 |
| 20100309597 | APPARATUS FOR PREVENTING OVER/UNDER VOLTAGE, LIGHT EMITTING MODULE, AND DISPLAY APPARATUS - An apparatus for preventing abnormal voltage, a light emitting module, and a display apparatus are provided. The present apparatus for preventing abnormal voltage extracts the highest voltage and the lowest voltage among voltage applied from a plurality of loads, includes two voltage distribution units distributing the highest voltage and the lowest voltage, and detects whether the highest voltage and the lowest voltage applied from the voltage distribution unit are within a predetermined range. Accordingly, the apparatus for preventing abnormal voltage is not affected greatly in terms of its size and cost even if the number of loads to be protected increases. | 12-09-2010 |
| 20110057960 | BACKLIGHT APPARATUS AND DISPLAY APPARATUS INCLUDING THE SAME - A backlight apparatus and a display apparatus are provided. The backlight apparatus includes N first switch units to switch a plurality of currents flowing in respective N light emitting element arrays according to an input brightness control signal, N second switch units to switch a plurality of currents flowing in respective N capacitors according to the input brightness control signal, and a reference current generation unit to generate and output a reference current based on the input brightness control signal. An inverter unit adjusts a total current supplied to all of the light emitting element arrays in total to be equal to the reference current if the total current is different from the reference current. | 03-10-2011 |
| 20110102475 | DISPLAY APPARATUS, BACKLIGHT UNIT, AND BACKLIGHT PROVIDING METHOD FOR CONTROLLING A PLURALITY OF LED STRINGS - A display apparatus, a backlight unit, a backlight providing method for controlling a plurality of light emitting diode (LED) strings are provided. The display apparatus includes a display panel, and a backlight unit (BLU) which projects backlight onto the display panel, wherein the BLU includes a plurality of light emitting diode (LED) strings, and a power supply unit which supplies minimum voltage from among the voltages needed to operate the plurality of LED strings to the plurality of LED strings. Therefore, the plurality of LED strings can have the same luminance. | 05-05-2011 |
| 20110115696 | BACKLIGHT UNIT AND DISPLAY APPARATUS HAVING THE SAME - Disclosed are a backlight unit and a display apparatus. The display apparatus including: an image receiver receiving an image signal; an image processor processing an image signal received by the image receiver; a display panel displaying an image signal processed by the image processor into an image; a plurality of light guide plates disposed corresponding to divided display regions of the display panel respectively and providing light to the display regions respectively; and a light source module selectively disposed between adjacent light guide plates and radiating light to a lateral side of the light guide plates, if the light source module is not disposed between a first light guide plate and a second light guide plate which are adjacent each other among the plurality of light guide plates, light being radiated to the first light guide plate and the second light guide plate in opposite directions. | 05-19-2011 |
| 20110122167 | BACKLIGHT UNIT AND DISPLAY APPARATUS - 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. | 05-26-2011 |
| 20110122169 | DISPLAY APPARATUS AND BACKLIGHT UNIT - 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. | 05-26-2011 |
| 20110222154 | 3D EYEGLASSES, CHARGING CRADLE, 3D DISPLAY APPARATUS AND SYSTEM FOR CHARGING 3D EYEGLASSES WIRELESSLY - Three-dimensional (3D) eyeglasses, a charging cradle, a 3D display apparatus, and a system for charging 3D eyeglasses wirelessly are provided. A pair of 3D eyeglasses which operates in association with the 3D display apparatus includes a wireless charging unit which generates electricity using a signal wirelessly received from an external apparatus, and a power supply unit which supplies power to the 3D eyeglasses using the electricity charged by the wireless charging unit. | 09-15-2011 |
| 20110234011 | POWER RECEIVING APPARATUS AND WIRELESS POWER TRANSCEIVING SYSTEM - A wireless power transceiving system includes a power transmitting apparatus which converts power into a resonance wave and transmits the resonance wave, and a power receiving apparatus which receives the transmitted resonance wave, and converts the resonance wave into DC power using a parallel resonant rectifier circuit that is impedance matched with impedance generated in the power receiving apparatus by parasitic components at a frequency of the resonance wave. | 09-29-2011 |
| 20110234012 | POWER RECEIVING APPARATUS AND WIRELESS POWER TRANSCEIVING SYSTEM - A wireless power transceiving system includes a power transmitting apparatus which converts power into a resonance wave and transmits the resonance wave, and a power receiving apparatus which receives the transmitted resonance wave and converts the resonance wave into DC power using a series resonant rectifier circuit which is impedance matched with impedance of the power receiving apparatus at a frequency of the resonance wave. | 09-29-2011 |
| 20110234186 | HIGH VOLTAGE POWER SUPPLY - A high voltage power supply is provided. The high voltage power supply includes a soft-start circuit unit which outputs a natural voltage that decreases exponentially as time elapses and converts the natural voltage into a forced voltage having a predetermined scale if an enable signal is applied, a controller which compares the natural voltage output from the soft-start circuit unit with a reference voltage and outputs a control signal, and a converting unit which delays outputting a final voltage during a first predetermined time period and outputs the final voltage, which gradually increases as time elapses according to the control signal. | 09-29-2011 |
| 20110255160 | THREE DIMENSIONAL (3D) GLASSES, 3D DISPLAY APPARATUS AND SYSTEM FOR CHARGING 3D GLASSES - Three dimensional (3D) glasses, a 3D display apparatus, and a 3D glasses charging system are provided. The 3D glasses, which operate in association with a 3D display apparatus, includes an interface unit which is configured to connect to the 3D display apparatus, and through which power is transmittable; a battery unit which supplies power to the 3D glasses; and a charging unit which is connected to the interface unit and the battery unit, and receives power input from the interface unit and charges the battery unit using the input power. | 10-20-2011 |
| 20120062173 | WIRELESS POWER SUPPLY APPARATUS, WIRELESS CHARGING APPARATUS, AND WIRELESS CHARGING SYSTEM USING THE SAME - A wireless charging apparatus and a wireless charging system using the same are provided. The wireless charging apparatus includes a sensing resonator that senses for an external device; a transmission resonator that transmits energy to the external device by magnetic resonance; and a transmission circuit that controls the transmission resonator in accordance with an output of the sensing resonator. | 03-15-2012 |
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| 20090302313 | ORGANIC LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE SAME - Provided is an organic light emitting diode which can easily control color coordinates and improve a device's life span characteristic by using an auxiliary dopant having a higher band gap energy than that of a host, and preferably, having an absolute value of the highest occupied molecular orbital energy level equal to or higher than that of the host, or an absolute value of the lowest unoccupied molecular orbital energy level equal to or lower than that of the host. | 12-10-2009 |
| 20090302759 | ORGANIC LIGHT EMITTING DIODE AND METHOD OF FABRICATING THE SAME - An organic light emitting diode and a method of fabricating the same. The organic light emitting diode includes a substrate, a first electrode on the substrate, emission layers on the first electrode including red, green and blue pixel regions, and a second electrode on the emission layers. The organic light emitting diode further includes an electron transport layer on the emission layers, and an intermediate layer formed by co-depositing metal quinolate and an organic material between at least one of the emission layers and the electron transport layer. The intermediate layer inhibits hole transport and increases a life span of the red pixel region. | 12-10-2009 |
| 20110068688 | ORGANIC LIGHT EMITTING LIGHTING APPARATUS - An organic light emitting lighting device that includes a transparent substrate, a first electrode layer formed on the substrate, an organic emission layer formed on the first electrode layer, a second electrode line formed of a plurality of second electrode lines disposed in parallel with each other on the organic emission layer, a first fuse unit having one end connected with the first electrode layer, and a plurality of second fuses having one end respectively connected to one end of the plurality of second electrode lines. | 03-24-2011 |
| 20110127556 | ORGANIC LIGHT EMITTING DIODE LIGHTING APPARATUS - An organic light emitting diode lighting apparatus includes: a substrate main body including a sealing area and a sealing line surrounding the sealing area; a plurality of first line electrodes of which both ends are located within the sealing area; a plurality of second line electrodes, at least one end of which is located outside the sealing area; an encapsulating member disposed to face the substrate main body; a sealant disposed on the sealing line to bond the substrate main body and the encapsulating member and seal the sealing area; a first connection member coupled to the ends of the plurality of first line electrodes within the sealing area; and a second connection member coupled to the ends of the plurality of second line electrodes outside the sealing area. | 06-02-2011 |
| 20110156084 | ORGANIC LIGHT EMITTING DIODE LIGHTING APPARATUS - An organic light emitting diode lighting apparatus is disclosed. In one embodiment, the apparatus includes: i) a substrate main body including a light emitting region and a sealing region surrounding the light emitting region, ii) an organic light emitting diode formed over the substrate main body and iii) a sealant formed over the sealing region of the substrate main body, wherein the sealant includes a conductive member electrically connected to the organic light emitting diode. The apparatus may further include a printed circuit board bonded to the substrate main body by the sealant to seal and cover the organic light emitting diode, wherein the printed circuit board includes external input terminals which directly contact the conductive member. | 06-30-2011 |
| 20120261710 | ORGANIC LIGHT EMITTING DIODE LIGHTING APPARATUS - An organic light emitting diode (OLED) lighting apparatus includes a light emitting panel including an organic light emitting diode, a housing for housing the light emitting panel, a cover coupled to the housing and covering a front-side edge of the light emitting panel, a plurality of pins disposed between the housing and the light emitting panel and supporting an edge of the light emitting panel, and at least one contact bar disposed between the plurality of pins and a back-side edge of the light emitting panel. | 10-18-2012 |
