Plate type image forming device



PROBLEM TO BE SOLVED: To provide a plate type image forming device of high brightness using a cathode material in which an electron emission of a sufficient strength can be obtained in a low electric field. SOLUTION: An electron beam source is made by forming the cathode K and a first control electrode G1 on the same plane in parallel with the rear face substrate SUB 1 on a rear face substrate SUB 1, and the image display of the high brightness is obtained by installing a second control electrode G2 to focus electrons taken out of this electron beam source. COPYRIGHT: (C)2005,JPO&NCIPI
【課題】 低電界で十分な強度の電子放出が得られる陰極材料を用い、高輝度の平板型画像表示装置を提供する。 【解決手段】 背面基板SUB1上に、陰極Kと第1の制御電極G1を該背面基板SUB1と平行な同一平面上に形成して電子線源とし、この電子線源から取り出される電子を集束する第2の制御電極G2を設けることにより、高輝度の画像表示を得る。 【選択図】 図1




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