公开(公告)号：EP0958589A1

公开(公告)日：1999-11-24

申请号：EP97949479.0

申请日：1997-11-26

申请人： Candescent Technologies Corporation

发明人： MASLENNIKOV, Igor, L. ,  CURTIN, Christopher, J. ,  CHO, Steven, T. ,  CONTE, Alfred, S. ,  POTHOVEN, Floyd, R. ,  COOPER, Anthony, J.

IPC分类号： B01J19 ,  H01J9 ,  H01J17 ,  H01J29 ,  H01J31

CPC分类号： H01J9/385 ,  H01J17/24 ,  H01J29/94 ,  H01J2209/385 ,  H01J2329/00

摘要： A getter (50 or 74) situated in a cavity of a hollow structure, such as a flat-panel device, is activated by directing light energy locally through part of the hollow structure and onto the getter. The light energy is typically provided by a laser beam (60). The getter, typically of the non-evaporable type, is usually inserted as a single piece of gettering material into the cavity. The getter normally can be activated/re-activated multiple times in this manner, typically during the sealing of different parts of the structure together. The getter-containing cavity can be formed by a pair of plate structures (40 and 42) sandwiched around and outer wall (44), or by an auxiliary compartment (72) connected to a larger main compartment (70) typically constituted by the plate structures and outer wall.

公开(公告)号：EP1114411A1

公开(公告)日：2001-07-11

申请号：EP99935552.2

申请日：1999-07-14

申请人： Candescent Technologies Corporation

发明人： MASLENNIKOV, Igor, L. ,  URBON, Dennis, M. ,  SPINDT, Christopher, J. ,  HANSEN, Ronald, L. ,  CURTIN, Christopher, J.

IPC分类号： G09G3/12

CPC分类号： G09G3/22 ,  G09G3/2011 ,  G09G2310/0267 ,  G09G2310/06 ,  G09G2320/029 ,  G09G2320/043 ,  G09G2330/02 ,  G09G2330/028

摘要： A field emission display (700) having an improved operational life. In one embodiment, the field emission display (700) comprises a plurality of row lines (230), a plurality of column lines (250), and a plurality of electron emissive elements (40) disposed at intersections of the plurality of row lines (230) and column lines (250), a column driver circuit (740) and a row driver circuit (720). The column driver circuit (740) is coupled to drive column voltage signals over the plurality of column lines (250); and the row driver circuit (720) is coupled to activate and deactivate the plurality of row lines (230) with row voltage signals. According to the present invention, operation life of the field emission display is extended when the electron emissive elements are intermittently reverse-biased by the column voltage signals and the row voltage signals. In another embodiment, the row driver circuit is responsive to a SLEEP signal (770). The row driver circuit (720), upon receiving the SLEEP signal (770), drives a sleep-mode voltage over the row lines (230) to reverse-bias the electron emissive elements.