Christie, Parker & Hale, LLP
Electron emission display having electron beams with reduced distortion
An electron emission display includes first and second substrates facing each other to form a vacuum envelope, a plurality of driving electrodes formed on the first substrate, a plurality of electron emission regions controlled by the driving electrodes, a focusing electrode disposed on and insulated from the driving electrodes and provided with first openings through which electron beams pass, a plurality of phosphor layers formed on a surface of the second substrate, an anode electrode formed on surfaces of the phosphor layers, and a plurality of spacers for maintaining a gap between the first and second substrates. The focusing electrode includes second openings for forming a potential control unit for forming a potential well, the potential control unit being formed between the first openings to correspond to the spacers. The potential well attracts the electron beams, improving the directionality of the beams.
Samsung SDI Co., Ltd.
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H01J H01J H01J
inventional inventional inventional
Cheol-Hyeon Eung-Joon Seung-Joon
Chang Chi Yoo