Global Patent Index - EP 0316214 B1

EP 0316214 B1 19930127 - ELECTRON SOURCE COMPRISING EMISSIVE CATHODES WITH MICROTIPS, AND DISPLAY DEVICE WORKING BY CATHODOLUMINESCENCE EXCITED BY FIELD EMISSION USING THIS SOURCE

Title (en)

ELECTRON SOURCE COMPRISING EMISSIVE CATHODES WITH MICROTIPS, AND DISPLAY DEVICE WORKING BY CATHODOLUMINESCENCE EXCITED BY FIELD EMISSION USING THIS SOURCE

Publication

EP 0316214 B1 19930127 (FR)

Application

EP 88402742 A 19881102

Priority

FR 8715432 A 19871106

Abstract (en)

[origin: EP0316214A1] Each cathode (5) comprises an electrically conducting layer (22) and microtips (12) and, according to the invention, a continuous resistive layer (24) is provided between the conducting layer and the microtips. The display device comprises a cathodoluminescent anode (16) opposite the source. <IMAGE>

IPC 1-7

H01J 1/30

IPC 8 full level

H01J 1/304 (2006.01); H01J 29/04 (2006.01); H01J 31/12 (2006.01)

CPC (source: EP KR US)

H01J 1/3042 (2013.01 - EP US); H01J 17/06 (2013.01 - KR); H01J 2201/319 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE FR GB IT LI NL

DOCDB simple family (publication)

EP 0316214 A1 19890517; EP 0316214 B1 19930127; DE 3877902 D1 19930311; DE 3877902 T2 19930715; FR 2623013 A1 19890512; JP H01154426 A 19890616; JP H07118259 B2 19951218; KR 890008886 A 19890713; KR 970005760 B1 19970419; US 4940916 A 19900710; US 4940916 B1 19961126

DOCDB simple family (application)

EP 88402742 A 19881102; DE 3877902 T 19881102; FR 8715432 A 19871106; JP 27919988 A 19881104; KR 880014500 A 19881104; US 26668188 A 19881103