Backlight for liquid crystal display device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 31, 2009
Grant Date -
Mar 2, 2006
app pub date -
Mar 11, 2005
filing date -
Aug 26, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A backlight 23 of the present invention has a panel case 24 and plural phosphor-coated anode sections 25 each arranged flatly in the panel case and plural linear cathode sections 26. Each of the plural linear cathode sections 26 has a conductive wire 33 having a great number of field concentration assisting concave/convex sections 34 formed on its outer peripheral surface and a carbon-based film 35 having, as a field electron emitter, a great number of sharp microscopic sections on the field concentration assisting concave/convex sections 34, wherein the field electron emitter emits electrons toward each of the plural phosphor-coated anode sections 25 so as to be radially widespread, when DC voltage is applied between the phosphor-coated anode sections 25 and the linear cathode sections 26.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- H01J Class
- 4.78 % this patent is cited more than
- 16 Age
