Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, power efficiency, and/or lifetime properties compared to the conventional organic electroluminescent devices.

Abstract: A light emission device, a method of manufacturing the same, and a display device using the same as a backlight unit. In one embodiment, a light emission device includes first and second substrates facing each other, a first electrode arranged on the first substrate in a first direction, a second electrode in a second direction crossing the first direction with an insulation layer interposed between the first and second electrodes, an electron emission region electrically connected to one of the first and second electrodes, and a phosphor layer formed on the second substrate, and an anode electrode formed on the phosphor layer. At least one of the first and second electrodes is divided into a plurality of sub-electrodes, first ends of which are for electrical interconnecting. A driving error electrode among the sub-electrodes is separated from the first ends of other normal electrodes.

Abstract: A light emission device and a display device having the light emission device are provided. A light emission device includes first and second substrates facing each other to form a vacuum envelope. An electron emission unit is provided on the first substrate. A light emission unit is provided on the second substrate to emit light using electrons emitted from the electron emission unit. A spacer uniformly maintains a gap between the first and second substrates. The spacer has a surface resistivity within a range of 1012-1014 ?cm.

Abstract: A light emission device and a display device using the light emission device as the light source are disclosed. In one embodiment, the light emission device includes i) first and second substrates facing each other and forming a vacuum vessel, ii) an electron emission unit provided on the first substrate, and iii) a light emission unit provided on the second substrate. The light emission unit may include i) a transparent anode electrode formed on the second substrate, ii) a phosphor layer formed on the anode electrode, and iii) a plurality of sub-electrodes contacting the anode electrode and crossing the phosphor layer under the phosphor layer. The sub-electrodes may have a resistance lower than that of the anode electrode.

Abstract: A light emission device and a display device having the light emission device are provided. The light emission device includes: a first substrate and a second substrate facing the first substrate; a plurality of first electrodes and a plurality of second electrodes on an inner surface of the first substrate, the first electrodes crossing the second electrodes; a plurality of electron emission regions electrically connected to the first electrodes at crossing regions where the first electrodes cross the second electrode; a light emission unit on an inner surface of the second substrate; and at least one spacer between the first and second substrates, Here, a shortest distance D between the spacer and the electron emission regions satisfies the following condition: 500 ?m?D?0.2Dh, where, Dh is a diagonal length of at least one of the crossing regions.

Abstract: A light emission device and a display device using the light emission device as a light source are provided. The light emission device includes a vacuum envelope formed by first and second substrates and a sealing member, first electrodes formed on the first substrate in a first direction, an insulating layer formed on the first substrate and covering the first electrodes, second electrodes formed on the insulating layer in a second direction crossing the first direction, electron emission regions electrically connected to the first electrodes or the second electrodes, a resistive layer for covering a first surface of the insulating layer, the first surface facing the second substrate, a phosphor layer formed on the second substrate, and an anode electrode formed on the phosphor layer.

Abstract: A light emission device and a display device using the light emission device as a light source are provided. The light emission device includes first and second substrates facing each other, an electron emission unit located on an inner surface of the first substrate, a phosphor layer located on an inner surface of the second substrate and adapted to be excited by electrons emitted from the electron emission unit, an anode electrode located on the phosphor layer, a heat dissipation plate located at a side of the first substrate, and a thermal diffuser plate located on the second substrate and thermally coupled to the heat dissipation plate. The thermal diffuser plate is configured to transmit light emitted by the phosphor layer.

Abstract: 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.

Abstract: A diffusing member (or diffuser), a light emission device having the diffusing member, and a display using the light emission device are provided. The diffusing member is for uniformly diffusing light emitted from a surface light source of a backlight unit for a non-emissive device. The diffusing member has a light transmittance greater than or equal to 80%. The light emission device includes a vacuum vessel that has first and second substrates facing each other, an electron emission unit that is provided on the first substrate, a light emission unit that is provided on the second substrate and that emits light using electrons emitted from the electron emission unit, a spacer that uniformly maintains a gap between the first and second substrates, and a diffusing member that is located above the second substrate.

Abstract: A light emission device is provided having a first substrate and a second substrate facing each other with a gap therebetween. An electron emission unit is located on one side of the first substrate to emit electrons toward the second substrate. A light emission unit is located on one side of the second substrate to emit visible light by the electrons. A plurality of spacers are provided between the first substrate and the second substrate. The plurality of spacers have a height of about 5 mm-30 mm.

Abstract: A light emission device and a display device having the light emission device are provided. A light emission device includes first and second substrates facing each other to form a vacuum envelope. An electron emission unit is provided on the first substrate. A light emission unit is provided on the second substrate to emit light using electrons emitted from the electron emission unit. A spacer uniformly maintains a gap between the first and second substrates. The spacer has a surface resistivity within a range of 1012-1014 ?cm.

Abstract: A light emission device and a display device using the light emission device as a light source are provided. The light emission device includes a vacuum vessel having first and second substrates and a sealing member, an electron emission unit provided on an inner surface of the first substrate and having driving electrodes and electron emission regions, a light emission unit provided on an inner surface of the second substrate, a plurality of spacers located between the first and second substrates, and a resistive layer formed on the first substrate and coupled to at least one of the driving electrodes. The resistive layer surrounds a circumference of the spacer.

Abstract: A light emission device, a method of manufacturing the same, and a display device using the same as a backlight unit. In one embodiment, a light emission device includes first and second substrates facing each other, a first electrode arranged on the first substrate in a first direction, a second electrode in a second direction crossing the first direction with an insulation layer interposed between the first and second electrodes, an electron emission region electrically connected to one of the first and second electrodes, and a phosphor layer formed on the second substrate, and an anode electrode formed on the phosphor layer. At least one of the first and second electrodes is divided into a plurality of sub-electrodes, first ends of which are for electrical interconnecting. A driving error electrode among the sub-electrodes is separated from the first ends of other normal electrodes.

Abstract: A light emission device and a display device using the light emission device as the light source are disclosed. In one embodiment, the light emission device includes i) first and second substrates facing each other and forming a vacuum vessel, ii) an electron emission unit provided on the first substrate, and iii) a light emission unit provided on the second substrate. The light emission unit may include i) a transparent anode electrode formed on the second substrate, ii) a phosphor layer formed on the anode electrode, and iii) a plurality of sub-electrodes contacting the anode electrode and crossing the phosphor layer under the phosphor layer. The sub-electrodes may have a resistance lower than that of the anode electrode.

Abstract: A light emission device and a display device using the light emission device as a light source are provided. The light emission device includes first and second substrates facing each other, an electron emission unit located on an inner surface of the first substrate, a phosphor layer located on an inner surface of the second substrate and adapted to be excited by electrons emitted from the electron emission unit, an anode electrode located on the phosphor layer, a heat dissipation plate located at a side of the first substrate, and a thermal diffuser plate located on the second substrate and thermally coupled to the heat dissipation plate. The thermal diffuser plate is configured to transmit light emitted by the phosphor layer.

Abstract: A light emission device and a display device having the light emission device are provided. The light emission device includes: a first substrate and a second substrate facing the first substrate; a plurality of first electrodes and a plurality of second electrodes on an inner surface of the first substrate, the first electrodes crossing the second electrodes; a plurality of electron emission regions electrically connected to the first electrodes at crossing regions where the first electrodes cross the second electrode; a light emission unit on an inner surface of the second substrate; and at least one spacer between the first and second substrates, Here, a shortest distance D between the spacer and the electron emission regions satisfies the following condition: 500 ?m?D?2Dh, where, Dh is a diagonal length of at least one of the crossing regions.

Abstract: A display device includes a display panel assembly having a plurality of pixels arranged in rows and columns and a backlight unit disposed behind the display panel assembly and having a plurality of pixels arranged in rows and columns. The number of the pixels of the backlight unit is less than a number of the pixels of the display panel assembly. The backlight unit includes a plurality of scan electrodes arranged along one of row and column directions and a plurality of data electrodes arranged along the other of the row and column directions; and the pixels of the backlight unit are adapted to emit lights having intensities in accordance with gray levels of the pixels of the display panel assembly.

Abstract: A light emission device and a display device using the light emission device as a light source are provided. The light emission device includes a vacuum envelope formed by first and second substrates and a sealing member, first electrodes formed on the first substrate in a first direction, an insulating layer formed on the first substrate and covering the first electrodes, second electrodes formed on the insulating layer in a second direction crossing the first direction, electron emission regions electrically connected to the first electrodes or the second electrodes, a resistive layer for covering a first surface of the insulating layer, the first surface facing the second substrate, a phosphor layer formed on the second substrate, and an anode electrode formed on the phosphor layer.