| Patent application number | Description | Published |
|---|
| 20090058258 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS ITS LIGHT SOURCE - A light emission device including first and second substrates facing each other, electron emission elements on the first substrate, an anode electrode with a phosphor layer on the second substrate, and spacers between the first and second substrates. Each spacer includes a spacer body comprising a dielectric material, a first coating layer on a first region of the spacer body, the first region being adjacent to the first substrate, and a second coating layer on a second region of the spacer body, the second region being adjacent to the second substrate, wherein a maximum secondary electron emission coefficient of the first coating layer under an operation voltage condition applied to the first region is about 0.8 to about 1 and a maximum secondary electron emission coefficient of the second coating layer under an operation voltage condition applied to the first and second regions is about 3 to about 16. | 03-05-2009 |
| 20090256834 | LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING THE SAME - A light emitting device includes a plurality of scan lines for transferring light emitting scan signals including a combination of an emission-on voltage and an emission-off voltage. A plurality of data lines extend in a direction crossing the plurality of scan lines and are configured to transfer light emitting data voltages. A plurality of light emitting pixels are respectively formed in regions defined by the plurality of scan lines and the plurality of data lines and are configured to emit electrons by a difference between the emission-on voltage and the light emitting data voltage. During a period in which the light emitting scan signals have the emission-on voltage, at least one of the emission-on voltage and the light emitting data voltages alternately has a first voltage and a second voltage lower than the first voltage. | 10-15-2009 |
| 20100008068 | ELECTRON EMISSION DEVICE, ELECTRON EMISSION TYPE BACKLIGHT UNIT INCLUDING THE SAME AND METHOD OF FABRICATING THE ELECTRON EMISSION DEVICE - An electron emission device, useful as a backlight unit, improves uniformity between pixels and maximizes post-processing effects. The electron emission device includes a base substrate with first electrodes extending on the base substrate, each of which includes a resistance layer formed at an end. The electron emission device also includes second electrodes electrically insulated from the first electrodes and electron emission sources formed on the first electrodes. The electron emission device is configured for current to flow through the resistance layer during a driving operation and for current to not flow through the resistance layer during an aging operation. | 01-14-2010 |
| 20100091047 | LIGHT EMITTING DEVICE, DISPLAY DEVICE USING THE SAME, AND DRIVING METHOD OF DISPLAY DEVICE - A light emitting device includes a plurality of light emission scan lines for transmitting light emission scan signals, a plurality of light emission data lines for transmitting light emission data voltages, a plurality of light emitting pixels for emitting electrons according to differences between an on voltage and the light emission data voltages, and first and second deflection electrodes. The light emission scan lines extend in a first direction, the light emission data lines extend in a second direction that crosses the light emission scan lines. The light emitting pixels are at areas defined by the light emission scan lines and the light emission data lines. The first and second deflection electrodes are parallel with each other in the first direction between the light emitting pixels. An absolute value of a first voltage applied to the first deflection electrode and an absolute value of a second voltage applied to the second deflection electrode are set according to a deflection direction of the electrons. | 04-15-2010 |
| 20100118222 | BACKLIGHT UNIT - A backlight unit functions as a surface light source of a non-emissive display device. The backlight unit includes a wire grid polarizer being formed in a single body. | 05-13-2010 |
| 20110227960 | FIELD EMISSION TYPE SURFACE LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS EMPLOYING THE SAME - A field emission type surface light source device and an image display apparatus employing the same. The field emission type surface light source device includes a first substrate and a second substrate that are disposed to face each other; a sealing member that seals the first substrate and the second substrate; first electrodes and second electrodes that are disposed on the first substrate such that the first electrodes cross the second electrodes in an insulated state; electron emitters that are electrically connected to one of the first electrodes and the second electrodes; a phosphor layer that is disposed on one surface of the second substrate; a third electrode that is disposed on one surface of the phosphor layer; and a first terminal and a second terminal that are electrically connected the first electrodes and the second electrodes, respectively, and are disposed on a same side of the first substrate outside of a region sealed by the sealing member. | 09-22-2011 |
