Electroscopic display device
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United States of America Patent
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Oct 23, 1990
Grant Date -
N/A
app pub date -
May 6, 1988
filing date -
May 13, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Light losses occurring in an electroscopic display device in which UV radiation (9, 10) is converted into visible light (14, 15, 17) are partly annihilated by making the movable electrodes (7) and the fixed electrodes (4) reflective. The electroscopic display device comprises first and second radiation-transparent supporting plates (2, 3), wherein a plurality of display elements are disposed between the supporting plates (2, 3). A luminescent material (12) is disposed on one of the first and second supporting plates (2, 3) at a viewing side, wherein the luminescent material (12) is disposed between the first and second supporting plates (2, 3) adjacent to and facing the electrodes (4, 7) such that the electrodes (4, 7) reflect radiation emitted by the luminescent material (12) to increase the passage of radiation through the viewing side of the display. An extra advantage is that a diffuse light source can then be used.
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Cited Art Landscape
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