Zoltan K Kun

51383470, Aug 11, 1992

Aug 22, 1991

7/748993

Zoltan K. Kun - Churchill PA
Juris A. Asars - Murrysville Boro PA
David Leksell - Oakmont PA
Robert Mazelsky - Monroeville PA

Westinghouse Electric Corp. - Pittsburgh PA

G01D 1506
G01D 1514
G03G 1501

346155

A thin film electroluminescent edge emitter structure includes a common electrode layer and control electrodes disposed above the common electrode layer. At least one dielectric layer is disposed between the common electrode layer and control electrodes, and a phosphor layer is interposed between the one dielectric layer and common electrode layer. The common electrode layer, one dielectric layer and the phosphor layer define the light-emitting pixels of the emitter structure. Each pixel has a light-emitting face formed thereon and is operable upon application of electrical excitation to cause the radiation of light energy within its phosphor layer at least in a direction towards the pixel light-emitting face. An optical lens system associated with the pixels includes a preselected contour shaped on the light-emitting face of each pixel to define an optical lens integral therewith to project the light energy passed therethrough in a preselected direction and form a beam of light energy having a preselected beam pattern. A multi-color light emission system employed by the pixels includes a plurality of phosphor zones comprising the phosphor layer and capable of projecting different light energy through the light-emitting faces of the pixels.

52528952, Oct 12, 1993

May 9, 1991

7/697371

David Leksell - Oakmont PA
Norman J. Phillips - Pittsburgh PA
Zoltan K. Kun - Pittsburgh PA

Westinghouse Electric Corp. - Pittsburgh PA

G09G 330

313506

A TFEL edge emitter structure has a bottom substrate layer, a lower common electrode layer applied over the bottom substrate layer an upper control electrode layer, and a middle EL light-energy generating stack disposed between the lower common electrode and the upper control electrode layers. The middle EL stack includes a lower dielectric layer, an upper dielectric layer, and a middle light-energy generating layer. The lower dielectric layer overlies the lower common electrode layer and bottom substrate layer. The middle light-energy generating layer is deposited over the lower dielectric layer. The upper dielectric layer is deposited over the middle light-energy generating layer. A light emitting face on a front edge of the EL stack is disposed at an angle relative to a street on the front edge portion of the substrate layer that is greater than ninety degrees. The angle selected should be sufficiently greater than ninety degrees relative to the substrate layer street so that a divergent zone of light emitted by the face is not obstructed by the street.

50437151, Aug 27, 1991

May 17, 1989

7/353316

Zoltan K. Kun - Churchill PA
Juris A. Asars - Murrysville Boro PA
David Leksell - Oakmont PA
Robert Mazelsky - Monroeville PA

Westinghouse Electric Corp. - Pittsburgh PA

G09G 330

340781

A thin film electroluminescent edge emitter structure includes a common electrode layer and control electrodes disposed above the common electrode layer. At least one dielectric layer is disposed between the common electrode layer and control electrodes, and a phosphor layer is interposed between the one dielectric layer and common electrode layer. The common electrode layer, one dielectric layer and the phosphor layer define the light-emitting pixels of the emitter structure. Each pixel has a light-emitting face formed thereon and is operable upon application of electrical excitation to cause the radiation of light energy within its phosphor layer at least in a direction towards the pixel light-emitting face. An optical lens system associated with the pixels includes a preselected contour shaped on the light-emitting face of each pixel to define an optical lens integral therewith to project the light energy passed therethrough in a preselected direction and form a beam of light energy having a preselected beam pattern. A multi-color light emission system employed by the pixels includes a plurality of phosphor zones composing the phosphor layer and capable of projecting different light energy through the light-emitting faces of the pixels.

52277690, Jul 13, 1993

May 23, 1991

7/704515

David Leksell - Oakmont PA
George F. Mechlin - Aptos CA
Zoltan K. Kun - Pittsburgh PA

Westinghouse Electric Corp. - Pittsburgh PA

G09G 302

340705

A projection apparatus is provided which produces a heads-up display in a helmet of the type commonly worn by a pilot. The projection apparatus includes a thin-film electroluminescent source having an edge emitter device provided therein. The edge emitter produces a linear signal which is transversely deflected by a scanner to produce an image on a display area. Preferably, the display area is provided on the face plate of a helmet worn by the pilot.

46107541, Sep 9, 1986

Jun 4, 1984

6/617059

Walter E. Gaida - East Pittsburgh PA
Zoltan K. Kun - Churchill PA

Westinghouse Electric Corp. - Pittsburgh PA

C30B 1114

156601

A method for growing large, shaped, oriented crystals and an apparatus for cooling the seed crystal so that a portion thereof remains solid throughout the crystal growth process. The critical and time consuming process of seeding crystals under continuous supervision is eliminated. The unmelted portion of the seed crystal is maintained at a temperature below its melting point through a seed temperature control apparatus which utilizes a pool of a substantially liquid metallic material as a heat transfer medium. The pool is contained in a reservoir formed in a thermal energy conductive base member in which the growth vessel is disposed.

45353417, Aug 13, 1985

Aug 19, 1983

6/524807

Zoltan K. Kun - Pittsburgh PA
Paul R. Malmberg - Pittsburgh PA

Westinghouse Electric Corp. - Pittsburgh PA

B60Q 100
H05B 3700

346107R

The invention provides a thin film electroluminescent line array emitter structure which provides edge emissions which are typically 30 to 40 times brighter than the conventional face emissions. In an alternative embodiment, the emitter structure includes an integral capacitor in series with each emitter structure pixel. This integral thin film structure dielectric and phosphor composite layer serves both as the light-emitting layer for the edge-emitting device and as the dielectric for the capacitor.

56127286, Mar 18, 1997

May 20, 1994

8/247635

Zoltan K. Kun - Churchill PA
David Leksell - Oakmont PA
Gerald J. Faychak - McKeesport PA
Juris A. Asars - Murrysville PA

Westinghouse Electric Corporation - Pittsburgh PA

B42J 247
B42J 2435

347232

A color printing system including thin film electroluminescent (TFEL) edge emitter devices and an electronic interface for driving the TFEL devices. The TFEL edge emitter devices form a multi-color TFEL edge emitter structure operable for emitting a plurality of different colors of light onto a media. The electronic interface receives gray scale data for pixels and converts it into a serial data stream used to drive pixels in the TFEL edge emitter structure. The electronic interface further includes a compensation memory for compensating for pixel variations in the TFEL structure. The compensation memory can be periodically recalibrated "in place" during the life of the printing apparatus.

49510649, Aug 21, 1990

May 15, 1989

7/351495

Zoltan K. Kun - Churchill PA
David Leksell - Oakmont PA
Norman J. Phillips - Pittsburgh PA

Westinghouse Electric Corp. - Pittsburgh PA

G01D 1514
G01D 942

346107R

A thin film electroluminescent edge emitter assembly includes an edge emitter structure disposed on a layer of substrate material. The structure has a configuration to define a linear array of spaced-apart, light-emitting pixels. A packaging assembly surrounds at least a portion of the edge emitter structure to enclose the linear array of light-emitting pixels in a contaminant-free environment. At least the wall of the packaging assembly adjacent to the array of pixels is made from a translucent material to permit light energy emitted by selected pixels of the array interior to the packaging assembly to pass through the wall of the packaging assembly.