Patent application number | Description | Published |
20090092853 | Cyclopentaphenanthrene-based compound and organic light emitting device employing the same - Provided are a cyclopentaphenanthrene-based compound and and an organic light emitting device employing the same. The cyclopentaphenanthrene-based compound can be easily prepared, has high thermal stability and excellent hole transporting capability, and can be efficiently used to form an organic layer, particularly, a hole transport layer. | 04-09-2009 |
20090108746 | Anthracene-based compound and organic light emitting device employing the same - Provided are an anthracene-based compound represented by Formula 1 or 2 and an organic light emitting device employing the same: | 04-30-2009 |
20090117404 | Cyclopentaphenanthrene-based compound and organic light emitting device employing the same - Provided are a cyclopentaphenanthrene-based compound represented by Formula 1 below and an organic light emitting device employing the same. | 05-07-2009 |
20090166670 | Anthracene-based compound and organic light emitting device employing the same - Provided are an anthracene-based compound represented by Formula 1 or 2 and an organic light emitting device employing the same: | 07-02-2009 |
20100053054 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which includes a constant voltage output device and a temperature-sensing device and outputting a gate-off voltage whose level varies according to a change in ambient temperature; a clock generator receiving a gate-on voltage and the gate-off voltage and outputting a first clock signal and a second clock signal; a gate driver receiving the first clock signal and the second clock signal and outputting gate signals; and a plurality of pixels turned on or off in response to the gate signals and thus displaying images, wherein the constant voltage output device outputs a constant voltage whose value is determined by a voltage difference between a reference terminal and an input terminal of the constant voltage output device, and the temperature-sensing device provides an input voltage whose value varies according to the change in the ambient temperature, wherein the voltage difference between the reference terminal and the input terminal of the constant voltage output device does not substantially vary according to the ambient temperature. | 03-04-2010 |
20100289018 | CYCLOPENTAPHENANTHRENE-BASED COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material. | 11-18-2010 |
20100298607 | CYCLOPENTAPHENANTHRENE-BASED COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material. | 11-25-2010 |
20100302289 | BACKLIGHT DEVICE AND DISPLAY APPARATUS HAVING THE SAME - In a backlight device and a driving method thereof, a voltage controller controls a voltage level of a first input voltage in response to a dimming signal to output a second input voltage. A pulse generator receives the second input voltage from the voltage controller and generates a pulse signal having a duty ratio corresponding to the dimming signal and a high voltage level corresponding to the second input voltage. An inverter generates a lamp driving signal based on the pulse signal. At least one lamp included in the backlight device is turned on or turned off in response to a lamp driving signal to adjust luminance of the backlight device. | 12-02-2010 |
20110002113 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a plurality of lamps, a receiving container and a conductive member. Each of the lamps includes a lamp body, a first electrode part disposed at a first end portion of the lamp body and a second electrode part disposed at a second end portion of the lamp body, the second end portion being opposite to the first end portion. The receiving container includes a bottom plate on which the lamps are disposed and a sidewall disposed at edge portions of the bottom plate to define a receiving space. The receiving container has a plurality of grounding portions formed on the bottom plate or the sidewalls. The conductive member electrically connects the second electrode part to one of the grounding portions. | 01-06-2011 |
20110003985 | CYCLOPENTAPHENANTHRENE-BASED COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material. | 01-06-2011 |
20110176332 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 07-21-2011 |
20120243257 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 09-27-2012 |
20130194825 | BACKLIGHT ASSEMBLY AND COVER FOR A COMPACT DISPLAY APPARATUS - A back cover for a backlight assembly capable of achieving a more compact a display apparatus includes a cover element, a line portion, and a plurality of point light sources. The cover element includes a metallic layer, and the cross-section of the cover element has an L-shape. The line portion is formed over the cover element. The point light sources are mounted on the surface of the cover element to receive a driving voltage from the line portion. A bottom cover portion of the cover element covers an opening portion. A side cover portion of the cover element faces the side wall. The point light sources mounted on the cover element emit light on a side surface of a light guide plate. | 08-01-2013 |
20130241912 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes: a gate-off voltage generator including a temperature compensation unit which comprises a constant voltage output device and which outputs a gate-off voltage having a level which varies based on a change in ambient temperature;
| 09-19-2013 |