Kwang-Sub
Kwang-Sub Lee, Gyeonggi-Do KR
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20130334883 | BATTERY CHARGING METHOD AND ELECTRONIC DEVICE - A method comprises providing power from a battery to an external device using a first circuit; and receiving power from a first power source to provide power to the battery using a second circuit while providing power to the external device. | 12-19-2013 |
20150180244 | METHOD AND APPARATUS FOR CHARGING A BATTERY - A method is provided comprising: detecting a connection between an electronic device and a battery charger; transmitting to the battery charger a first request for at least one of a first voltage level and a first current level; receiving from the battery charger a signal; and charging a battery of the electronic device with the signal. | 06-25-2015 |
Kwang-Sub Shin, Ahnyang-Si KR
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20090166510 | Illumination Sensing Apparatus, Driving Method Thereof and Display Device Having the Illumination Sensing Apparatus - Provided are an illumination sensing apparatus, a driving method thereof and a display device having the illumination sensing apparatus. The illumination sensing apparatus includes an illumination sensor unit configured to generate a sensing signal according to peripheral illumination, an illumination determination unit configured to generate an illumination signal according to the sensing signal, and an illumination judgment unit configured to output a brightness select signal using the illumination signal, wherein the illumination sensor unit controls sensitivity of sensing the peripheral illumination to be varied according to the brightness select signal. Therefore, the sensitivity of an illumination sensor is automatically controlled according to the peripheral illumination, thus improving peripheral illumination sensibility. Further, an illumination signal corresponding to the peripheral illumination is provided to a light source module to thereby control the output brightness of the light source module, which makes it possible to reduce power consumption and improve image quality. | 07-02-2009 |
Kwang-Sub Shin, Seoul KR
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20080198119 | LIQUID CRYSTAL DISPLAY AND DISPLAY PANEL WITH INTEGRATED DATA-STORAGE - A liquid crystal display includes a display panel having a data-storing unit including transistors integrated into the display panel. The data-storing transistors of the data-storing unit may be formed in the same film (layer) as the TFT pixel transistors on the display panel. Each of the plurality of transistors of the data-storing unit includes an input electrode connected to one of a first voltage or a second voltage depending upon a bit of stored data, and an output electrode commonly connected to a data output terminal of the data-storing unit. The data-storing unit further includes and a Serial-In, Parallel-Out shift register supplied with a reset and first and second clock signals and connected to the input electrodes of the transistors, respectively. | 08-21-2008 |
20090066876 | PHOTOSENSOR CIRCUIT, LIQUID CRYSTAL DISPLAY HAVING THE SAME AND METHOD OF DRIVING THE LIQUID CRYSTAL DISPLAY - A photosensor circuit includes a read-out circuit and a determiner. The read-out circuit includes: a first photosensor which outputs a first reference current corresponding to an intensity of a first reference light; a second photosensor which outputs a second reference current corresponding to an intensity of a second reference light; a third photosensor which outputs an external light current corresponding to an intensity of an external light; a first current memory which senses the first reference current; a second current memory which senses a difference between the first and second reference currents; and a storage capacitor which charges during a first period of time and discharges during a second period of time. The determiner calculates the intensity of the external light based on the intensities of the first and second reference lights and durations of the first and second periods of time. | 03-12-2009 |
Kwang-Sub Shin, Yongin-Si KR
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20140062978 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device includes first pixels emitting light in a first field and second pixels emitting light in a second field. The first field includes a first compensation period during which threshold voltages of driving transistors of the first pixels are concurrently compensated, a first scan period during which scan signals corresponding to the first pixels are sequentially transmitted and corresponding data signals are programmed, and first light emission periods during which the first pixels concurrently emit light according to the data signals. The second field includes a second compensation period during which threshold voltages of driving transistors of the second pixels are concurrently compensated, a second scan period during which scan signals corresponding to the second pixels are sequentially transmitted and corresponding data signals are programmed, and second light emission periods during which the second pixels concurrently emit light according to the data signals. | 03-06-2014 |
Kwang-Sub Shin, Seongnam-Si KR
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20150245018 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - A display device comprises a signal processor configured to generate left-eye and right-eye image data according to an input image signal, a frame rate controller configured to generate a plurality of left-eye and right-eye image data from the left-eye and right-eye image data according to an output frequency, a data formatter configured to alternately organize the plurality of left-eye and right-eye image data generated by the frame rate controller, and a display unit configured to sequentially display the plurality of left-eye and right-eye image data organized by the data formatter. | 08-27-2015 |
Kwang-Sub Yoon, Seoul KR
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20080214422 | THINNER COMPOSITION AND METHOD OF REMOVING PHOTORESIST USING THE SAME - A thinner composition includes propylene glycol ether acetate, methyl 2-hydroxy-2-methyl propionate, and an ester compound such as ethyl lactate, ethyl 3-ethoxy propionate or a mixture thereof. | 09-04-2008 |