| Patent application number | Description | Published |
|---|
| 20080204395 | BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME AND CONTROL METHOD THEREOF - A liquid crystal display device, includes: a liquid crystal panel; a point light source which emits light to the liquid crystal panel; and a light source driver which comprises a power input terminal to receive initial power, a power supply to supply power to the point light source according to the initial power and a reference current, and a reference current controller to output the changed reference current according to the changed initial power, to the power supply. | 08-28-2008 |
| 20080238858 | BACKLIGHT UNIT, DISPLAY APPARATUS AND CONTROL METHOD THEREOF - A display apparatus includes: a display panel; a light source unit which comprises a light source and has a plurality of division areas which are separated and independently driven each other, and is located at the back of the display panel; a drive unit which supplies drive power for the light source unit; and a light source controller which controls the drive unit so that the drive power can be supplied sequentially to the division areas which are divided in a first direction, in synchronization with a scanning period for which one frame of an image signal is displayed, and a lighting period of the division areas can be changed according to the kind of the image signal which is displayed on the display panel. | 10-02-2008 |
| 20080273140 | BACKLIGHT UNIT DRIVING APPARATUS AND METHOD THEREOF - A backlight unit driving apparatus is provided. The backlight unit driving apparatus includes a plurality of flash lamps at a backlight unit to supply light to a liquid crystal panel, supplies voltage necessary for discharge, and supplies a discharge initiating voltage so that the flash lamps can emit lights in a sequential order. Accordingly, motion picture characteristics improve, and good screen brightness is maintained. | 11-06-2008 |
| 20090045759 | BACKLIGHT UNIT, DISPLAY APPARATUS COMPRISING THE SAME AND CONTROL METHOD THEREOF - Provided is a display apparatus including: a display panel; a light source which includes a plurality of light source modules and supplies light to the display panel; a light source driver which drives the light source modules; a power source which supplies power to the light source driver; a current detector which detects a current of the power supplied from the power source to the light source driver; and a controller which controls the light source driver to sequentially drive the plurality of light source modules and compares the detected current with a range to detect errors from the respective light source modules. | 02-19-2009 |
| 20090256786 | LIGHT SOURCE DRIVING APPARATUS, LIGHT SOURCE DRIVING METHOD, AND DISPLAY APPARATUS - A light source driving apparatus includes: a switching driver which performs switched-mode power conversion and outputs a first current toward a light source, to control quantity of light emitted from the light source; and a current bypasser which bypasses at least a part of the first current so that a second current branched from the first current flows in the light source. | 10-15-2009 |
| 20100259694 | LIGHT SOURCE MODULE, BACKLIGHT UNIT AND DISPLAY APPARATUS - A display apparatus having a display and a backlight unit (BLU) which provides backlight to the display are provided. The BLU includes a first light source module in which a plurality of light sources are arranged, a second light source module in which a plurality of light sources are arranged, and a light source driving unit which drives the first light source module and second light source module. The first light source module and second light source module are connected to each other by a first connector. | 10-14-2010 |
| 20100296894 | SCREW FASTENING UNIT - A screw fastening unit, which fastens a first member and a second member together, is provided. The screw fastening unit includes a screw member which includes a screw head from which a support portion extends in a fastening direction in which the screw member is fastened for supporting the first member, and a screw thread coupled to the screw head and which passes through a first penetrating hole formed through the first member; and a screw receiving member configured to receive the screw thread and which extends in a direction opposite to the fastening direction through a second penetrating hole formed through the second member and passes through the first penetrating hole. | 11-25-2010 |
| 20110090259 | LIGHT EMITTING MODULE, BACKLIGHT UNIT AND DISPLAY APPARATUS - A light emitting module, a backlight unit (BLU) and a display apparatus are provided. The display apparatus includes a light emitting module including a light emitting unit including one or more light emitting elements which are electrically connected to each other; and a board on which the light emitting unit is disposed. The board includes a first terminal which is connected to a first end of the light emitting unit, and a ground portion which connects a second end of the light emitting unit to a ground. Therefore, it is possible to design a thinner BLU, thereby making a display device slimmer. | 04-21-2011 |
| 20110090261 | BACKLIGHT UNIT FOR STABLY DRIVING VARIOUS LIGHT SOURCE MODULES AND DISPLAY APPARATUS USING THE SAME - A backlight unit (BLU) capable of stably driving various light source modules, and a display apparatus using the same are provided. A display apparatus includes a display and a BLU. The BLU includes a light source module, a converter, a light source driving unit which drives the light source module using the output voltage of the converter, and a control unit which controls the output voltage of the converter based on the output voltage of the light source driving unit. Therefore, the ratio of the input voltage to the output voltage of the light source driving element may be maintained uniformly for various light source modules, so the light source modules can be stably driven. | 04-21-2011 |
