Apparatus for generating planar light source and method for driving the same
AssigneeIndustrial Technology Research Institute
InventorsWei-Yi Lin, Biing-Nan Lin, Ming-Chun Hsiao, Liang-You Jiang
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Abstract
An apparatus for generating a planar light source and method for driving the same is provided. The apparatus for generating a planar light source comprises an emitting layer disposed not only on a cathode electrode, but also on a gate electrode as well. Accordingly, by applying an AC voltage to the apparatus, a duty cycle of the AC voltage can reach 100% so as to enhance the brightness to the extent that the apparatus is applied a DC voltage.
Claims14
A planar light source generating apparatus, comprising:
- an anode plate, comprising a first glass substrate and a fluorescent layer;
- a cathode plate disposed on the anode plate, comprising a second glass substrate, a plurality of cathodes, a plurality of gates and a plurality of electron emission layers, wherein the cathodes and the gates are interleaved and disposed on the second glass substrate, and the electron emission layers are disposed not only on the cathodes but also on the gates.
A method of driving a planar light source generating apparatus, comprising the steps of:
- connecting a plurality of cathodes in the planar light source generating apparatus to the ground;
- and
- coupling an alternative current (AC) square voltage to a plurality of gates in the planar light source generating apparatus so that each electron emission layer disposed on the gates and each electron emission layer disposed on the cathodes alternately produce electrons, thereby allowing the planar light source generating apparatus to be always turned on.
A method of driving a planar light source generating apparatus, comprising the steps of:
- coupling a first direct current (DC) square voltage to a plurality of cathodes in the planar light source generating apparatus;
- and
- coupling a second DC square voltage to a plurality of gates in the planar light source generating apparatus so that the emission layers disposed on the gates and the emission layers disposed on the cathodes alternately generate electrons, thereby allowing the planar light source generating apparatus to be always turned on.
Dependencies are inferred from the claim text.