Field emission display with improved viewing Characteristics

Details Field emission display with improved viewing Characteristics Field emission display with improved viewing Characteristics

1996-02-26

1998-09-15

Patidar, Jay M.

Electric lamp and discharge devices

Discharge devices having three or more electrodes

313308, 313497, H01J 1938, H01J 9227

Patent

active

058084002

ABSTRACT:
A field emission display with improved viewing characteristics is described. The field emission display is formed with a baseplate and an opposing face plate. Field emission microtips are formed in openings in a conductive and insulating layer on the baseplate. An anode is formed on either the faceplate, or on the conductive layer surrounding each opening. Phosphorescent material is formed over the anode. A blocking layer is formed between the phosphor and the faceplate, such that during operation of the display direct light emission from the phosphor is blocked, resulting in indirect phosphorescence and a more comfortable display image. An optional reflective layer may be added over the conductive layer to increase phosphorescence.

REFERENCES:
patent: 2851408 (1958-09-01), Cerulli
patent: 4908539 (1990-03-01), Meyer
patent: 5493173 (1996-02-01), Imura
patent: 5633650 (1997-05-01), Kishino et al.

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