Abstract:
A light emitting device capable of simplifying its manufacturing process and/or suppress vacuum leakage by improving its terminal structure and a display device having the same. The light emitting device includes a first substrate assembly, a second substrate assembly, and a sealing member for bonding the first substrate assembly with the second substrate assembly. The first substrate assembly includes a first substrate main body having recess portions, first electrodes within the recess portions, electron emission regions on the first electrodes, and second electrodes at a distance away from the electron emission regions and fixed to a surface of the first substrate assembly. Here, a first portion of the second electrode including a first end portion of the second electrode is exposed out of a region surrounded by the seal member and out of the seal member and is used as a terminal connected to an external circuit.
Abstract:
A vacuum envelope and an electron emission display having the vacuum envelope. The vacuum envelope includes a first substrate and a second substrate facing the first substrate. A plurality of frames is arranged between the first substrate and the second substrate to form an inner vacuum space. An absorbing member is arranged between at least two of the frames.
Abstract:
A light emitting device and a display device having the same that are capable of being manufactured by a simplified manufacturing method and having an improved alignment characteristic of members constituting an electron emission unit of the light emitting device. In one embodiment, the light emitting device includes a first substrate assembly including a first substrate having first recess portions and second recess portions, electron emission regions, first electrodes coupled to the electron emission regions, and second electrodes; and a second substrate assembly facing an inner surface of the first substrate. Here, each of the first recess portions has a first depth, each of the second recess portions has a second depth smaller than the first depth, the first electrodes are positioned within the first recess portions, and the second electrodes are positioned within the second recess portions.
Abstract:
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.
Abstract:
A vacuum vessel includes a first substrate, a second substrate facing the first substrate and spaced apart therefrom, and support frames mounted along the edges of the first and the second substrates. At least two support frames are separately formed on at least one side of the first and the second substrates. Adhesive layers are placed on a surface of the support frame facing the first substrate as well as on the opposite-surface of the support frame facing the second substrate to attach the two substrates and the support frames to each other. A filler is disposed between the neighboring support frames to prevent the vacuum leakage.
Abstract:
An electron emission display is provided to prevent electron beams around the spacers from being distorted and to prevent arc discharging due to the spacers. The electron emission display includes first and second substrates facing each other to form a vacuum vessel, an electron emission unit provided on the first substrate, a light emission unit provided on the second substrate, and a plurality of spacers disposed between the first and the second substrates. Each spacer has a spacer body with a surface roughness, a resistance layer placed on a lateral side of the spacer body, and a flattening layer covering the resistance layer. The flattening layer has a thickness larger than the thickness of the resistance layer and a surface roughness smaller than the surface roughness of the spacer body.
Abstract:
An electron emission display is provided to prevent electron beams around the spacers from being distorted and to prevent arc discharging due to the spacers. The electron emission display includes first and second substrates facing each other to form a vacuum vessel, an electron emission unit provided on the first substrate, a light emission unit provided on the second substrate, and a plurality of spacers disposed between the first and the second substrates. Each spacer has a spacer body with a surface roughness, a resistance layer placed on a lateral side of the spacer body, and a flattening layer covering the resistance layer. The flattening layer has a thickness larger than the thickness of the resistance layer and a surface roughness smaller than the surface roughness of the spacer body.
Abstract:
A vacuum vessel includes first and second substrates facing each other with a predetermined distance therebetween, a sealing member placed at peripheries of the first and second substrates to seal the first and second substrates to each other, and a getter provided between the first and second substrates. The getter has an active metal, a getter receptacle for containing the active metal, and a support for holding the getter receptacle between the first and second substrates. The getter receptacle is spaced substantially equidistance from the first and second substrates. A diffusion intercepting plate is formed at an end of the support directed toward the center of the first and second substrates in a body of the vacuum vessel.
Abstract:
A vacuum vessel includes first and second substrates facing each other, and a sealing member arranged at peripheries of the first and the second substrates to define a vacuum-tightly sealed inner space together with the two substrates. The sealing member has a support frame of a predetermined width and a predetermined height, and an adhesive portion arranged external to the support frame to attach the first and the second substrates together. The support frame is wider than the adhesive portion, and the difference between the width and height of the support frame is within a range of ±10% of the width or the height.
Abstract:
A light emission device for simplifying a structure of an electron emission unit and a manufacturing process thereof is provided. A display device using the light emission device as a light source is also provided. The light emission device includes a vacuum panel having a first substrate and a second substrate facing each other. A sealing member is between the first and second substrates. Recess portions each have a depth into a side of the first substrate facing the second substrate. Cathode electrodes are in corresponding recesses. Electron emission regions are on corresponding cathode electrodes. A gate electrode is fixed at one side of the first substrate at a distance from the electron emission regions. A light emission unit is at one side of the second substrate. The gate electrode includes a mesh unit having openings for passing through an electron beam and a supporting member surrounding the mesh unit.