1
Robert J Krafcik, Douglas T Wheeler, Walter J Paciorek, Ralph McGuigan, Rodney T Eckersley, Dee L Johnson, Harold T Munson: Electroluminescent modular lamp unit. Durel Corporation, Fish & Richardson P C, October 15, 1996: US05565733 (31 worldwide citation)

An electroluminescent lamp unit includes a flat deformable substrate of preselected size having smaller sheet-form flexible electroluminescent lamps secured face-to-face at preselected positions on a surface of the substrate, the lamps connected with conductive traces on the substrate. The flat subs ...


2
Michael W Cass, Rodney T Eckersley, Robert J Krafcik, Walter J Paciorek, Ramona R Fechter: Three dimensional electroluminescent display. Key Plastics, Bliss McGlynn P C, July 14, 1998: US05780965 (26 worldwide citation)

A three dimensional electroluminescent display includes a transparent sheet, a translucent layer placed on the transparent sheet, at least one electroluminescent (EL) lamp placed adjacent the translucent layer, and a substrate molded to the EL lamp and transparent sheet to form an integral, molded t ...


3
Robert J Krafcik, Douglas T Wheeler, Walter J Paciorek, Ralph McGuigan, Rodney T Eckersley, Dee Lynn Johnson, Harold T Munson: Electroluminescent lamp devices and their manufacture. Durel Corporation, Fish & Richardson P C, September 22, 1998: US05811930 (25 worldwide citation)

An electroluminescent lamp unit includes a flat deformable substrate of preselected size having smaller sheet-form flexible electroluminescent lamps secured face-to-face at preselected positions on a surface of the substrate, the lamps connected with conductive traces on the substrate. The flat subs ...


4
Robert J Krafcik, Douglas T Wheeler, Walter J Paciorek, Ralph McGuigan, Rodney T Eckersley, Dee Lynn Johnson, Harold T Munson: Electroluminescent lamp devices and their manufacture. Durel Corporation, Fish & Richardson P C, May 30, 2000: US06069444 (12 worldwide citation)

An electroluminescent lamp assembly includes electroluminescent lamps of selected limited size placed and secured upon a larger printed circuit substrate employing surface mount techniques. The electroluminescent lamp assembly includes a substrate having a relatively large lamp receiving surface and ...


5
Robert J Krafcik, Douglas T Wheeler, Walter J Paciorek, Ralph McGuigan, Rodney T Eckersley, Dee Lynn Johnson, Harold T Munson: Electroluminescent lamp devices and their manufacture. Durel Corporation, Fish & Richardson P C, October 15, 2002: US06465951 (12 worldwide citation)

A method for forming an electroluminescent lamp unit. A multi-layer sheet form electroluminescent lamp, the multi-layer sheet form lamp includes a pair of sheet-form conductive layers, one of which is transparent for transmitting light emitted from the particles, an electroluminescent sheet-form lay ...


6
James H Butt, Christopher C Shol, Robert J Krafcik, Edward L Kinnally: Moving pointer with edgewise EL lamp. Durel Corporation, Paul F Wille, September 15, 1998: US05806954 (4 worldwide citation)

A movable pointer includes an elongated, translucent substrate having an EL lamp covering one side of the substrate. The pointer emits light from an adjoining, narrower, front side which is roughened slightly. The ends of the substrate are capped or coated to prevent light emission. A second EL lamp ...


7
Robert J Krafcik: Low cost inverter with both discrete and integrated power switches. Duiel Corporation, Paul F Wille, July 14, 1998: US05780975 (3 worldwide citation)

An inverter for powering an electroluminescent lamp includes a supply terminal, a ground terminal, a first switching transistor, an inductor, and a second switcing transistor connected in series between the supply terminal and the ground terminal. As implemented in a semiconductor device, one of the ...