Breakover conduction illumination devices and operating method
OwnerRobert G. Marcotteinventor
Life of this patent
Estimating the term…
Abstract
The invention contained herein provides solid-state breakover conduction illumination devices, displays and driving methods. Illumination devices may be fabricated as co-packaged devices or integrated devices using in-organic or organic illumination elements. AC breakover conduction displays are embodied in both small, tightly-integrated configurations as well as, large area discrete implementations. Driving methods employ initialization and resetting methods for subfield based operation; taking advantage of the stable high speed characteristics of solid-state breakover devices such as DIACs. A full-color high-resolution DIAC based display is presented.
Claims22
A device comprising:
- a. a substrate supporting a first electrode;
- b. a dielectric material covering said first electrode;
- c. a first breakover conduction device comprising a first terminal capacitively coupled to said first electrode according to said dielectric material;
- d. first and second light emitting areas disposed in an electrically opposed parallel arrangement comprising a first terminal coupled to a second terminal of said breakover conduction element;
- e. a second electrode coupled to a second terminal of said first and second light emitting areas.
A method for driving a solid-state breakover conduction display comprising;
- applying a first pulse of a first voltage for initializing all cells in said display, setting a memory state in a cell disposed at the intersection of a row electrode and a column electrode according to a display data respective of a display image, said setting comprising the steps of applying a row select voltage to select said row electrode for addressing, applying a column select voltage, to select said column electrode for addressing and for triggering a first address discharge and of removing said row select voltage and said column select voltage for triggering a second address discharge, opposite to said first discharge.
A device comprising an illumination element comprising first and second terminals for applying first and second voltages there-across and for conducting respective first and second opposing currents there-through coupling, in a serial arrangement:
- a. a light emission portion disposed on a first surface for emitting light according to said first and second opposing currents;
- b. a breakover conduction portion disposed on a second surface for drawing said first and second opposing currents according to third and fourth voltages;
- and,
- c. a dielectric barrier forming a capacitance for limiting said first and second opposing currents.
Dependencies are inferred from the claim text.