Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Plasma excitation
Patent
1997-02-21
1997-12-02
Sikes, William L.
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Plasma excitation
349 96, 349122, G02F 11335, G09G 336
Patent
active
056941838
ABSTRACT:
A plasma addressed liquid crystal display panel comprises a channel substrate having plasma channels in its upper surface thereof and an upper substrate over the upper surface of the channel substrate. A first polarizer is disposed over the upper surface of the channel substrate and transmits only light that is polarized in a first state. An electro-optic layer extends over the first polarizer and has a first condition in which it transmits light that is polarized in the first state without changing the state of polarization and a second condition in which it converts light that is polarized in the first state to a second state of polarization that is orthogonal to the first state. A second polarizer is over the electro-optic layer and transmits only light that is polarized in the second state. When the electro-optic layer is in the first condition, the second polarizer blocks the light that is transmitted by the first polarizer, whereas when the electro-optic layer is in the second condition, the second polarizer passes the light that is transmitted by the first polarizer.
REFERENCES:
patent: 5077553 (1991-12-01), Buzak
patent: 5499122 (1996-03-01), Yano
patent: 5519520 (1996-05-01), Stoller
Buzak Thomas S.
Ilcisin Kevin J.
Martin Paul C.
Duong Tai V.
Sikes William L.
Smith-Hill John
Tektronix Inc.
Winkelman John D.
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