Patent application number | Description | Published |
20090129062 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS ITS LIGHT SOURCE - A light emission device capable of enhancing its luminance and durability and a display device utilizing the light emission device as a light source. The light emission device includes first and second substrates facing each other, cathode electrodes arranged on the first substrate and extending in a first direction, gate electrodes arranged above the cathode electrodes and extending in a second direction crossing the first direction, a plurality of electron emission regions electrically coupled to the cathode electrodes, and a light emission unit provided on the second substrate and including an anode electrode and a phosphor layer. The first substrate has an active area and a non-active area surrounding the active area, and a total area of the electron emission regions on the first substrate is between about 2 and about 26% of the active area. | 05-21-2009 |
20100141866 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS A LIGHT SOURCE - A light emission device including an electron discharger including a first substrate, a plurality of cathode electrodes, a plurality of electron emission regions, and a plurality of gate electrodes, the first substrate having a plurality of recessed portions at a first surface of the first substrate, the cathode electrodes extending along a first direction and in the recessed portions, the electron emission regions on the cathode electrodes, and the gate electrodes extending along a second direction crossing the first direction; a light emitter including a second substrate, the second substrate having a second surface facing the first surface of the first substrate with a gap therebetween; and a plurality of fixing blocks on the first substrate and between the gate electrodes, the fixing blocks being separated from the light emitter. | 06-10-2010 |
20100171408 | LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING THE SAME - A light emitting device and a display device using the same. The light emitting device includes: a substrate provided with recesses formed in a stripe pattern; first electrodes disposed inside the recesses in a stripe pattern aligned parallel to the recesses; electron emission regions disposed on the first electrodes; second electrodes disposed in a stripe pattern aligned in a direction crossing the first electrodes and closely fixed to the substrate; and an adhesive member for fixing the second electrodes to the substrate. The second electrodes include mesh portions spaced apart from tops of the electron emission regions in crossing of the first electrodes and the second electrodes, supports surrounding the mesh portions and connected with the substrate, and combining grooves formed at edges of the supports facing the substrate. The adhesive members are disposed in the combining grooves of the second electrodes to connect the second electrodes with the substrate. | 07-08-2010 |
20100171410 | LIGHT EMISSION DEVICE - A light emitting device includes first and second substrates facing each other, and a sealing member interposed between the first and second substrates. The sealing member includes a first supporting frame having a groove portion and a second supporting frame having an end inserted into the groove portion, and an external surface of an end of the second supporting frame, inserted into the groove portion, is surrounded by the first supporting frame. | 07-08-2010 |
20100172125 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE SAME - A light emitting device and a display device having the same, and the light emitting device according to an embodiment includes a substrate, a first electrode formed in a stripe pattern on the substrate, an electron emission region formed on the first electrode, and a second electrode formed in a stripe pattern along a direction that crosses the first electrode. The second electrode includes a supporting portion adhered to the substrate, and a mesh portion of which a surface that faces the first electrode is recessed to be separated from the first electrode and the electron emission region. | 07-08-2010 |
20100176711 | Light Emission Device - A light emission device includes a first substrate having a plurality of recesses having a longitudinal axis extending in a first direction on a front surface of the first substrate; a first electrode in each of the plurality of recesses and having a longitudinal axis extending in the first direction; an electron emission part on the first electrode; a plurality of second electrodes extending in a second direction and crossing the plurality of recesses; a second substrate facing the first substrate; a third electrode and a phosphor layer on a rear surface of the second substrate facing the first substrate; an adhesive member on the second electrode and on the front surface of the first substrate; and a spacer contacting the adhesive member to maintain a space between the first and second substrates. | 07-15-2010 |
20100253876 | LIGHT EMITTING DEVICE AND DISPLAY DEVICE USING THE LIGHT EMITTING DEVICE AS A LIGHT SOURCE - A light emitting device includes: a first substrate and a second substrate, each of the first and second substrates having an active area and an inactive area surrounding the active area, the first substrate having recesses in a side of the first substrate facing the second substrate; cathode electrodes in the recesses and extending along a first direction; electron emission regions on the cathode electrodes; gate electrodes on the side of the first substrate, extending along a second direction crossing the first direction of the cathode electrodes, and having a mesh structure with openings formed therein; first spacers between the first and second substrates in the active area; and second spacers between the first and second substrates in the inactive area. The second spacers press the gate electrodes to the first substrate to fix them in place. | 10-07-2010 |
20100301364 | LIGHT EMISSION DEVICE - A light emission device and a display device including the same. The light emission device includes: a substrate body having a concave portion recessed into the substrate body and extending along a first direction; a first electrode in the concave portion and extending along the first direction; a second electrode on a front surface of the substrate body and extending along a second direction crossing the first electrode; an anti-conduction electrode disposed at an edge portion of the substrate body and extending along the second direction to be parallel with the second electrode; and an electron emission unit on the first electrode and spaced apart from the second electrode. Here, each of the second electrode and the anti-conduction electrode includes: a mesh unit having a plurality of opening portions; and a support unit joined to the substrate body while surrounding the mesh unit. | 12-02-2010 |