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| Application No. | Application Title | Issue Date |
| 20090315483 | LIGHT EMITTING DIODE ILLUMINATING APPARATUS A light emitting diode (LED) illuminating apparatus (100) includes a controller (20) and an illuminating member (10). The controller is configured for setting a luminance of the LED illuminating apparatus and creating a luminance level value accordi... | 12/24/2009 |
| 20090315482 | Light emitting apparatus capable of controlling lighting color and method thereof A light emitting apparatus and a method for controlling the same are provided. The light emitting apparatus comprises a color-temperature relation stored in a memory, a thermometer or temperature acquiring means for acquiring a temperature reading, a processor for compa... | 12/24/2009 |
| 20090309516 | PIXEL AND ORGANIC LIGHT EMITTING DISPLAY DEVICE USING THE SAME A pixel capable of compensating for the threshold voltage of a driving transistor, the voltage drop of a first power source and degradation of an organic light emitting diode is provided. The pixel includes an organic light emitting diode; a second transistor (e.g., a d... | 12/17/2009 |
| 20090302783 | LED ILLUMINATION SYSTEM WITH MULTIPLE INDEPENDENT LOOPS A LED illumination system with multiple independent loops includes an input unit provided to receive a D.C. voltage, and a plurality of light module control circuits electrically connected to the input unit. Each of the light module control circuits includes a light mod... | 12/10/2009 |
| 20090302784 | High pressure Discharge Lamp A high-pressure discharge lamp with a discharge vessel comprising electrodes; at least one noble gas as starting gas; at least one element selected from the group consisting of Al, In, Mg, Tl, Hg, Zn for arc transfer and discharge vessel wall heating; and at least one r... | 12/10/2009 |
| 20090295298 | LIGHT SOURCE DRIVING CIRCUIT A light source driving circuit includes a power supply circuit, a first dimming circuit, and a control circuit. The power supply circuit has a control terminal and an output terminal that is connected to a terminal of a first light-emitting element. The first dimming ci... | 12/03/2009 |
| 20090289562 | LIGHT-EMITTING APPARATUS AND DIMMING METHOD A light-emitting apparatus applied with a power switch includes a light-emitting unit and a dimming driving unit. The light-emitting unit has at least one light-emitting element. The dimming driving unit is electrically connected with the light-emitting unit and control... | 11/26/2009 |
| 20090289559 | LED DEVICE AND LED DRIVER A LED device having a LED array, LED driver ICs, DC-DC converter, a first feedback circuit consisting of voltage dividing resistors, and a headroom voltage monitoring circuit having controller and second feedback circuit. In second feedback circuit, headroom voltages ob... | 11/26/2009 |
| 20090289576 | LED LIGHT OUTPUT LINEARIZATION A system and method for producing a flattened characteristic for LED luminous output. The system may include an array containing one or more light emitted diodes, a power source connected to the LED array providing drive current to the LED array, a timer connected to a ... | 11/26/2009 |
| 20090289580 | BACKLIGHT ADJUSTMENT SYSTEM A preferred embodiment relates to controlling the amount of backlight in an electronic display to account for the temperature in the backlight cavity. Another embodiment relates to a system for controlling the amount of backlight based on both the temperature in the bac... | 11/26/2009 |
| 20090289581 | HIGH INTENSITY DISCHARGE LAMP LIGHTING DEVICE AND LIGHTING FIXTURE In order to optimally control power outputted from a high intensity discharge lamp lighting device for a difference among loads connected thereto, such as a difference in gas components contained in arc tubes and a difference in shape of the arc tubes individually in a ... | 11/26/2009 |
| 20090290130 | Light source lamp cooling apparatus and projection display apparatus A light source lamp cooling apparatus according to the present invention includes: diaphragm air compressor (31); an ejector which ejects cooling air directly onto a portion to be cooled of a light source lamp in lamp unit (10); pressure detector (43 | 11/26/2009 |
| 20090284182 | Method For Dimming Non-Linear Loads Using An AC Phase Control Scheme And A Universal Dimmer Using The Method A universal dimmer for adjusting the output from linear and non-linear loads using an AC power control method incorporating phase angle control is disclosed which has a switching element, a load current measurement element for measuring the current passing through the l... | 11/19/2009 |
| 20090284181 | BACKLIGHT UNIT ASSEMBLY, DISPLAY DEVICE HAVING THE SAME, AND METHOD OF DIMMING THE DISPLAY DEVICE A backlight unit assembly includes a surface light source with a plurality of first electrode lines extending in a first direction, a plurality of second electrode lines and a plurality of discharge blocks defined in regions where the first and second electrode lines cr... | 11/19/2009 |
| 20090284180 | DRIVING CIRCUIT FOR LIGHT EMITTING DEVICE WITH COMPENSATION MECHANISM AND DRIVING METHOD THEREOF A light emitting device driving circuit, includes: a switch device, a comparator, a driving module, a time counting circuit and a compensation module. The switch device is turned on or off according to a control signal for controlling a driving current flowing through t... | 11/19/2009 |
| 20090278476 | DEVICE FOR GENERATING LIGHT An illumination system (10; 100) for generating light comprises: at least one a lamp assembly (14; 114) capable of generating light (17; 117) with a variable color; a controller (15; 115) for controlling the lamp assembly; a user input device... | 11/12/2009 |
| 20090273286 | MULTIPLE-INPUT ELECTRONIC BALLAST WITH PROCESSOR A ballast having a microprocessor embedded therein is controlled via four inputs. The ballast includes a high-voltage phase-controlled signal provided by a dimmer and an infrared (IR) receiver through which the ballast can receive data signals from an IR transmitter. Th... | 11/05/2009 |
| 20090273304 | APPARATUS AND METHOD FOR TRIMMING AN OUTPUT PARAMETER OF AN ELECTRONIC BALLAST An electronic ballast includes a microprocessor which is programmed to read an external voltage value, output a signal which controls an amount of power outputted by the electronic ballast, and adjust the signal based upon a difference between the external voltage value... | 11/05/2009 |
| 20090267541 | LED LAMP CONTROL CIRCUIT HAVING POWER SAVING FUNCTION AND POWER SAVING CONTROL METHOD THEREOF A light emitting diode (LED) lamp control circuit having power saving function includes a control switch, a LED lamp, a battery, and a controller. The battery is connected to the LED lamp to supply power via the control switch. The controller is connected to the control... | 10/29/2009 |
| 20090267538 | LIGHTING SYSTEM FOR AVIONICS APPLICATIONS AND CONTROL METHOD THEREOF Disclosed herein is a lighting system, in particular for an avionics apparatus, having at least a light source and a control unit coupled to the light source and controlling operation thereof based on a management PWM signal; the management PWM signal may have a shape s... | 10/29/2009 |
| 20090261748 | Modified dimming LED driver A driver circuit produces variable current output for an LED lighting system providing improved dimming capability and greater power efficiency when responding to industry standard lighting dimmers, through the use of an input voltage monitoring circuit which variably c... | 10/22/2009 |
| 20090261759 | DEVICE AND PROCESS FOR UNIFORMLY LIGHTING AN OPERATING AREA A device and a process are provided for uniformly lighting an operating area for performing the lighting of an operating area (2) of a bed (30) by means of a lighting unit (3) such that a selected lighting field (13) is lighted uniformly. The... | 10/22/2009 |
| 20090261758 | LIGHT SOURCE DRIVING DEVICE A light source driving device drives a plurality of light sources. A Power Factor Circuit (PFC) circuit converts a received electrical signal to a DC signal and output to a DC/AC converting circuit. The DC/AC converting circuit converts the DC signal to another AC signa... | 10/22/2009 |
| 20090261757 | Backlight driving circuit and driving method thereof A backlight driving circuit includes a driving unit, a light source, a power supply circuit, and a controller connected to the driving unit. The power supply circuit includes a low voltage output terminal for outputting a low DC voltage and a high voltage output termina... | 10/22/2009 |
| 20090261756 | METHOD OF SHUTTING DOWN A HIGH PRESSURE DISCHARGE LAMP AND DRIVING UNIT FOR DRIVING A HIGH PRESSURE DISCHARGE LAMP The invention describes a method of shutting down a high pressure discharge lamp (1) in which a pair of electrodes (2) is disposed in an arc tube (3), which method comprises reducing, upon receipt of a shut-down request (SR), the lamp power (P) towa... | 10/22/2009 |
| 20090261739 | Portable Electronic Device and Light Flickering Method for Light Emitting Element Thereof A portable electronic device and a light flickering method for light emitting elements thereof are both disclosed herein. The portable electronic device includes at least one light emitting element. The light flickering method comprises the following steps: setting pers... | 10/22/2009 |
| 20090256498 | FILAMENT POWER SUPPLY CIRCUIT FOR VACUUM FLUORESCENT DISPLAY In a filament power supply circuit of a vacuum fluorescent display, an integration circuit is connected to a signal input terminal which receives a pulse signal having a magnitude corresponding to a DC power supply voltage. A comparison circuit compares an output voltag... | 10/15/2009 |
| 20090256499 | POWER SUPPLY, DISPLAY DEVICE, AND LIGHT SOURCE DRIVING APPARATUS A power supply is provided, which includes a DC-DC converter being supplied with an external DC input voltage and a first switching control signal and outputting a duty sensing signal of which a magnitude is varied in accordance with the first switching control signal, ... | 10/15/2009 |
| 20090256497 | BACKLIGHT DEVICE A backlight device that is not affected by offset voltage. Driving transistor 41 operates such that current flows in LED circuit 11, and the detection voltage generated by current detector 42 and the reference voltage are input alternately to first ... | 10/15/2009 |
| 20090243516 | LIGHT EMITTING APPARATUS A light emitting apparatus includes a clock generating circuit and a light-emitting module. The clock generating circuit is for generating a clock control signal. The light emitting module includes a current supplying unit and a light emitting unit. The current supplyin... | 10/01/2009 |
| 20090248344 | OPTICAL DETECTION DEVICE, ELECTRO-OPTICAL DEVICE, ELECTRONIC APPARATUS, AND OPTICAL DEGRADATION CORRECTION METHOD An optical detection device includes: an optical sensing unit that has an optical detection transistor and outputs a signal corresponding to the amount of light irradiated to the optical detection transistor; a threshold voltage detecting unit that has a threshold value... | 10/01/2009 |
| 20090243515 | MOTION ADAPTIVE AMBIENT LIGHTING A method for controlling an ambient lighting element including receiving a content signal, analyzing the content signal to determine a motion vector of an object (120A) depicted in the content signal, presenting the content signal on a display device, and adjusti... | 10/01/2009 |
| 20090237009 | DISCHARGE LAMP LIGHTING DEVICE, CONTROL METHOD THEREOF, AND PROJECTOR A discharge lamp lighting device includes: a power control circuit outputting DC current; an AC conversion circuit generating and outputting discharge lamp driving AC current by inverting the polarity of the DC current at a predetermined timing; a control circuit perfor... | 09/24/2009 |
| 20090236997 | LED control circuit and method, and insect resistive LED lamp A LED control circuit and method generate a high frequency clock signal with a fixed duty for a LED driver, to supply a switching current to drive a LED to emit light flashing at a modulated high frequency and with a fixed duty. By controlling the flashing LED light wit... | 09/24/2009 |
| 20090230888 | DISCHARGE LAMP OPERATION DEVICE To improve the startability of a discharge lamp by achieving a smooth transition from a glow discharge to an arc discharge. A discharge lamp lighting device comprises: a direct-current power supply 2 for supplying a voltage higher than a glow voltage of the above... | 09/17/2009 |
| 20090230890 | ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD OF PRODUCING THE SAME An organic electroluminescent display device in which a plurality of light-emitting cells each having an organic electroluminescent portion are arranged on a substrate, wherein a plurality of organic electroluminescent portions included in the plurality of light-emittin... | 09/17/2009 |
| 20090230889 | VOLTAGE SENSING APPARATUS FOR POWER REGULATION AND OVER-VOLTAGE PROTECTION OF DISCHARGE LAMP AND METHOD THEREOF The configurations of a discharge lamp system and a controlling method thereof are provided in the present invention. The proposed discharge lamp system includes a discharge lamp, a converter circuit coupled to the discharge lamp and having a switching switch, a ballast... | 09/17/2009 |
| 20090230887 | ELECTRONIC BALLAST FOR A GAS DISCHARGE LAMP WITH CONTROLLED FILAMENT HEATING DURING DIMMING An electronic ballast has control circuitry to operate a gas discharge lamp in both full and dimmed illumination modes. A dimming controller serves as the mechanism to permit a selection between full and dimmed illumination modes. The dimming controller signal has a dim... | 09/17/2009 |
| 20090224136 | LIGHT SOURCE DEVICE, IMAGE DISPLAY APPARATUS, AND LIGHT AMOUNT CORRECTING METHOD A light source device includes: a semiconductor light-emitting element that emits, according to an input value, light having first wavelength; a wavelength converting element that converts, with a nonlinear optical effect, the light having the first wavelength emitted b... | 09/10/2009 |
| 20090225014 | CONTROL OF SEMICONDUCTOR LIGHT EMITTING ELEMENT A light source device including a semiconductor light emitting element and a control section adapted to control the light emitting element in accordance with an input value. The control section includes a characteristic value calculation section adapted to calculate a c... | 09/10/2009 |
