Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Reexamination Certificate
2007-02-20
2007-02-20
Patel, Nimeshkumar D. (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
C313S495000, C313S309000, C313S310000, C445S024000
Reexamination Certificate
active
10856817
ABSTRACT:
In a field emission display device, an opening dimension in a predetermined direction (or x direction) of an opening of a control electrode is greater than an opening dimension in the predetermined direction of an electron pass aperture of a shield electrode, and the shield electrode is located at the front of the control electrode so that the entire range of the opening dimension in the predetermined direction of the electron pass aperture is within the range of the opening dimension in the predetermined direction of the opening of the control electrode.
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Birch & Stewart Kolasch & Birch, LLP
Mitsubishi Denki & Kabushiki Kaisha
Patel Nimeshkumar D.
Walford Natalie K.
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