Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1997-10-29
2000-03-07
Philogene, Haissa
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
3151693, 3151692, 345185, 345204, G09G 310
Patent
active
060344792
ABSTRACT:
A single pixel driving circuit generates a time sequence signal necessary to turn on a single pixel at a time in a field emission display device wherein an anode current measuring circuit for measuring the anode current for each single pixel is connected between the high voltage supply line and the field emission display anode. The anode current measuring circuit is synchronized with the display driving circuits such that a computer controls each of the drive and measuring circuits. Moreover, by way of computer control of the driving circuits and a clock generator for synchronizing the drive and measurement circuits, both high speed production mode testing and relatively slow speed engineering mode testing can be conducted. The measured anode current values for each single pixel are thereafter stored as to their value or waveform, as well as the location of the respective pixels.
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Browning, "Field Emission Display Development and Testing", Eighth International Vacuum Microelectronics Conference, Jul. 30-Aug. 3, 1995.
Micro)n Technology, Inc.
Philogene Haissa
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