Liquid crystal matrix control employing doped semiconductor pixe

Details Liquid crystal matrix control employing doped semiconductor pixe Liquid crystal matrix control employing doped semiconductor pixe

1992-03-20

1994-08-09

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 57, 359 87, 257 59, 257 72, G02F 11343

Patent

active

053371720

ABSTRACT:
A matrix display device using electro-optical material, wherein the material is inserted between two substrates, each comprising an array of electrodes. One of these arrays comprises transparent doped semiconductor zones acting as pixel electrodes surrounded by zones with little or no doping, constituting the channel of a control transistor, the electrode of which forms the source or the drain. The gate electrode may be formed as a ladder shaped structure over the channel in which the areas between the rungs are pixel electrodes.

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patent: 5191453 (1993-03-01), Okumura
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