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James C Dunphy, William Cummings, Christopher J Spindt, Ronald L Hansen, Jun, Lee Cressi, Colin Stanners: Methods and systems for compensating row-to-row brightness variations of a field emission display. Candescent Intellectual Property Services, Candescent Technologies Corporation, Wagner Murabito & Hao, November 23, 2004: US06822628 (202 worldwide citation)

Methods for compensating for brightness variations in a field emission device. In one embodiment, a method and system are described for measuring the relative brightness of rows of a field emission display (FED) device, storing information representing the measured brightness into a correction table ...


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William J Cummings, Kris E Sahlstrom, Shiyou Pei, Bob L Mackey, Arthur J Learn, John D Porter, Theodore S Fahlen: Protected substrate structure for a field emission display device. Candescent Technologies Corporation, Candescent Intellectual Property Services, Ladas & Parry, February 8, 2005: US06853129 (197 worldwide citation)

A protected faceplate structure of a field emission display device is disclosed in one embodiment. Specifically, in one embodiment, the present invention recites a faceplate of a field emission display device wherein the faceplate of the field emission display device is adapted to have phosphor cont ...


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Ronald L Hansen: Circuit and method for controlling the brightness of an FED device. Candescent Technologies Corporation, Wagner Murabito & Hao, May 30, 2000: US06069597 (121 worldwide citation)

A circuit and method for controlling the brightness of a display screen implemented using a flat panel field emission display (FED) screen. Within the FED screen, a matrix of rows and columns is provided and emitters are situated within each row-column intersection. Rows are activated sequentially a ...


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Dmitriy Krupetsky, Anthony P Schmid, Paul N Ludwig: Tuned sealing material for sealing of a flat panel display. Candescent Technologies Corporation, Wagner Murabito Hao, April 29, 2003: US06555025 (61 worldwide citation)

A tuned sealing material and a method for attaching a first surface to a second surface using the tuned sealing material are disclosed. In one embodiment, the present invention applies a tuned sealing material between a first surface and a second surface. In this embodiment, the tuned sealing materi ...


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Ronald L Hansen: Controlling the brightness of an FED device using PWM on the row side and AM on the column side. Candescent Technologies Corporation, Wagner Murabito & Hao, November 14, 2000: US06147664 (57 worldwide citation)

A circuit and method for controlling the brightness of a display screen implemented using a flat panel field emission display (FED) screen. Within the FED screen, a matrix of rows and columns is provided and emitters are situated within each row-column intersection. Rows are activated sequentially a ...


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Anthony P Schmid, Christopher J Spindt, David L Morris, Theodore S Fahlen, Yu Nan Sun: Spacer structures for use in flat panel displays and methods for forming same. Candescent Technologies Corporation, Ronald J Meetin, E Eric Hoffman, Skjerven Morrill MacPherson Franklin & Friel, October 7, 1997: US05675212 (56 worldwide citation)

The invention provides spacers for separating and supporting a faceplate structure and a backplate structure in a flat panel display, and methods for fabricating these spacers. Each spacer is typically made of ceramic, such as alumina, containing transition metal oxide, such as titania, chromia or i ...


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Christopher J Curtin, Anthony P Schmid, Paul A Lovoi: Flat panel device with ceramic backplate. Candescent Technologies Corporation, Ronald J Meetin, Skjerven Morrill MacPherson Franklin & Friel, November 11, 1997: US05686790 (48 worldwide citation)

According to the invention, a flat panel device includes a faceplate, a backplate made of a co-fired ceramic substrate and attached to the faceplate to form a sealed enclosure, and structure for producing light. The faceplate includes an active region. The light producing structure is divided into a ...


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Christopher J Spindt, David L Morris, Theodore S Fahlen, Anthony P Schmid, Paul A Lovoi: Structure and operation of high voltage supports. Candescent Technologies Corporation, Ronald J Meetin, E Eric Hoffman, Skjerven Morrill MacPherson Franklin & Friel, March 25, 1997: US05614781 (48 worldwide citation)

According to the invention, a flat panel device includes a spacer for providing internal support. In one embodiment, the spacer is made of ceramic, glass-ceramic, ceramic reinforced glass, devitrified glass, metal with electrically insulative coating or high-temperature vacuum-compatible polyimide, ...


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Steven T Cho, Alfred S Conte, Paul N Ludwig, Anthony P Schmid, Theodore S Fahlen, Robert J Pressley: Gap jumping to seal structure, typically using combination of vacuum and non-vacuum environments. Candescent Technologies Corporation, Ronald J Meetin, Skjerven Morrill MacPherson Franklin & Friel, August 29, 2000: US06109994 (40 worldwide citation)

Portions (40 and 44) of a structure, such as a flat-panel device, are sealed together by a gap-jumping technique in which a sealing area (40S) of one portion is positioned near a matching sealing area (44S) of another portion such that a gap (48) at least partially separates the two sealing areas. T ...