Claims
- 1. A field emitter circuit comprising:
a row electrode configured to be coupled to ground potential; at least one cathode structure disposed upon and in electrical communication with said row electrode; a grid electrode with openings proximate to said at least one cathode structure; and an electron beam uniformity circuit coupled to said grid electrode for providing a grid voltage, VGrid, with a DC offset sufficient to extract electrons from said at least one cathode structure and with a periodic variation in voltage about said DC offset to provide electron beam uniformity.
- 2. The field emitter circuit of claim 1, wherein said periodic variation is sinusoidal.
- 3. The field emitter circuit of claim 1, further comprising:
a first switching element between said at least one cathode structure and said row electrode gated by an enable signal; and a second switching element between said row electrode and said ground potential gated by row driver circuitry.
- 4. A field emission display comprising:
a field emitter circuit comprising:
a row electrode configured to be coupled to ground potential; at least one cathode structure disposed upon and in electrical communication with said row electrode; a grid electrode with openings proximate to said at least one cathode structure; and an electron beam uniformity circuit coupled to said grid electrode for providing a grid voltage, VGrid, with a DC offset sufficient to extract electrons from said at least one cathode structure and with a periodic variation in voltage about said DC offset to provide electron beam uniformity; and an anode structure.
- 5. The field emission display of claim 4, wherein said anode structure further comprises:
a transparent conductive anode layer; a phosphor layer disposed on one side of said conductive anode layer; and a glass layer disposed on another side of said conductive anode layer.
- 6. The field emission display of claim 4, wherein said periodic variation is sinusoidal.
- 7. A field emitter circuit comprising:
a row electrode for coupling to ground potential; at least one cathode structure disposed upon in electrical communication with said row electrode; a grid electrode with openings proximate to said at least one cathode structure; and an electron beam uniformity circuit coupled to said grid electrode for providing a grid voltage, VGrid, with a DC offset sufficient to extract electrons from said at least one cathode structure and with a periodic variation in voltage about said DC offset to provide electron beam uniformity.
- 8. The field emitter circuit of claim 7, wherein said periodic variation is sinusoidal.
- 9. The field emitter circuit of claim 7, further comprising:
a first switching element between said at least one cathode structure and said row electrode gated by an enable signal; and a second switching element between said row electrode and said ground potential gated by row driver circuitry.
- 10. An emission display comprising:
a field emitter circuit comprising:
a row electrode configured to be coupled to ground potential; at least one cathode structure disposed upon and in electrical communication with said row electrode; a grid electrode with openings proximate to said at least one cathode structure; and an electron beam uniformity circuit coupled to said grid electrode for providing a grid voltage, VGrid, with a DC offset sufficient to extract electrons from said at least one cathode structure and with a periodic variation in voltage about said DC offset to provide electron beam uniformity; and an anode structure.
- 11. The field emission display of claim 10, wherein said anode structure further comprises:
a transparent conductive anode layer; a phosphor layer disposed on one side of said conductive anode layer; and a glass layer disposed on another side of said conductive anode layer.
- 12. The field emission display of claim 10, wherein said periodic variation is sinusoidal.
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application is a divisional of application Ser. No. 09/617,199, filed Jul. 17, 2000, pending.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09617199 |
Jul 2000 |
US |
Child |
10137553 |
May 2002 |
US |