Patent US3898515A successfully refreshed from Google Patents.
US3898515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement of electrodes on a display panel utilizing gas discharge
Assignee: Fujitsu Ltd
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Filing: 1973-03-06
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Granted: 1975-08-05
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Expires: 1993-03-06
Abstract
Abstract A self-shift plasma display panel based on the surface discharge is disclosed. This plasma display panel has two electrode groups of shift electrodes and channel electrodes which are positioned so that the two types of electrodes cross at right angles on the same substrate facing a discharge space filled with gas capable of ionization. The shift electrodes are alternately connected to first and second buss at intervals of one electrode, and the channel electrodes are alternately connected to third and fourth buss at intervals of one electrode. The above-mentioned four buss are connected to a four phase alternating voltage source. A discharge spot produced between a shift electrode and a channel electrode is shifted along the channel electrode by means of the four phase alternating voltage applied to the four buss in order.
Inventors
- 👤 Shizuo Andoh
- 👤 Norihiko Nakayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:57
CPC Classifications
H; H01; H01J; H01J11/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
185 words
An arrangement of electrodes on a display panel utilizing gas discharge comprising a first group of electrodes being arranged in parallel facing a discharge space filled with ionizable gas, means for alternately connecting the electrodes of the first group to at least two common terminals, a second group of electrodes being used in pairs and arranged so as to cross said first group of said electrodes, each electrode of said pairs of electrodes alternately providing between electrodes of said first group of electrodes branches which extend to the inside of said pair of electrodes, means for alternately connecting the electrodes of the second group to at least two common terminals, said first group of electrodes and said second group of electrodes are insulated on the same substrate, a dielectric layer covering said first and second groups of electrodes, and polyphase alternating electric signals being supplied to said terminals of the first and second group of electrodes, thereby shifting a discharge spot between the electrode of the first group and the electrode of the second group successively in the direction of said second group of electrodes.
Claim 2
Dependent Claim
185 words
An arrangement of electrodes on a display panel utilizing gas discharge comprising a first group of electrodes being arranged in parallel facing a discharge space filled with ionizable gas, means for alternately connecting the electrodes of the first group to at least two common terminals, a second group of electrodes being used in pairs and arranged so as to cross said first group of said electrodes, each electrode of said pairs of electrodes alternately providing between electrodes of said first group of electrodes branches which extend to the inside of said pair of electrodes, means for alternately connecting the electrodes of the second group to at least two common terminals, said first group of electrodes and said second group of electrodes are insulated on the same substrate, a dielectric layer covering said first and second groups of electrodes, and polyphase alternating electric signals being supplied to said terminals of the first and second group of electrodes, thereby shifting a discharge spot between the electrode of the first group and the electrode of the second group successively in the direction of said second group of electrodes.
Claim 3
Dependent Claim
30 words
An arrangement of electrodes on a display panel utilizing gas discharge according to claim 1, further comprising a write electrode being arranged in parallel to the first group of electrodes.
Claim 4
Dependent Claim
33 words
An arrangeMent of electrodes on a display panel utilizing gas discharge according to claim 1 wherein each of said branches provide a projection in the position where the discharge should be easily produced.
Claim 5
Dependent Claim
206 words
An arrangement of electrodes on a display panel utilizing gas discharge comprising a first group of electrodes being arranged in parallel facing a discharge space filled with ionizable gas, means for alternately connecting the electrodes of the first group to at least two common terminals, a second group of electrodes being arranged so as to cross said first group of said electrodes, said second group of electrodes except for those on each side alternately provide branches which extend to both sides of the electrode belonging to said second group of electrodes and electrodes belonging to each side of said second group of electrodes alternately provide branches which extend to the inside of said side electrodes, means for alternately connecting the electrodes of the second group to at least two common terminals, said first group of electrodes and said second group of electrodes are insulated on the same substrate, a dielectric layer covering said first and second groups of electrodes, and polyphase alternating electric signal being supplied to said terminals of the first and second group of electrodes, thereby shifting a discharge spot between the electrode of the first group and the electrode of the second group successively in the direction of said second group of electrodes.
Claim 6
Dependent Claim
206 words
An arrangement of electrodes on a display panel utilizing gas discharge comprising a first group of electrodes being arranged in parallel facing a discharge space filled with ionizable gas, means for alternately connecting the electrodes of the first group to at least two common terminals, a second group of electrodes being arranged so as to cross said first group of said electrodes, said second group of electrodes except for those on each side alternately provide branches which extend to both sides of the electrode belonging to said second group of electrodes and electrodes belonging to each side of said second group of electrodes alternately provide branches which extend to the inside of said side electrodes, means for alternately connecting the electrodes of the second group to at least two common terminals, said first group of electrodes and said second group of electrodes are insulated on the same substrate, a dielectric layer covering said first and second groups of electrodes, and polyphase alternating electric signal being supplied to said terminals of the first and second group of electrodes, thereby shifting a discharge spot between the electrode of the first group and the electrode of the second group successively in the direction of said second group of electrodes.
Claim 7
Dependent Claim
37 words
An arrangement of electrodes on a display panel utilizing gas discharge according to claim 4, further comprising a plurality of write electrodes being arranged to correspond to each shift channel provided by the second group of electrodes.
Claim 8
Dependent Claim
33 words
An arrangement of electrodes on a display panel utilizing gas discharge according to claim 4 wherein each of said branches provide a projection in the position where the discharge should be easily produced.
Claim 9
Dependent Claim
198 words
An arrangement of electrodes on a display panel utilizing gas discharge which includes a first group of electrodes on the base plate of said display panel being arranged in parallel facing a discharge space filled with ionizable gas and means for alternately connecting the electrodes of said first group to at least two common terminals for shifting a discharge spot toward the crossing of said first group of electrodes, comprising a. a second group of electrodes being arranged in parallel on said base plate so as to cross said first group of electrodes and being electrically insulated from said first group of electrodes, b. at least two common terminals alternately connected to said second group of electrodes so as to be used in pairs, each electrode of said pairs of electrodes alternately providing between electrodes of said first group of electrodes branches which extend to the inside of said pairs of electrodes, and, c. means for supplying polyphase alternating electric signals to said common terminals of said first and second groups of electrodes thereby shifting a discharge spot generated between the electrodes of said first group and second group in the direction of said second group of electrodes.
Claim 10
Dependent Claim
198 words
An arrangement of electrodes on a display panel utilizing gas discharge which includes a first group of electrodes on the base plate of said display panel being arranged in parallel facing a discharge space filled with ionizable gas and means for alternately connecting the electrodes of said first group to at least two common terminals for shifting a discharge spot toward the crossing of said first group of electrodes, comprising a. a second group of electrodes being arranged in parallel on said base plate so as to cross said first group of electrodes and being electrically insulated from said first group of electrodes, b. at least two common terminals alternately connected to said second group of electrodes so as to be used in pairs, each electrode of said pairs of electrodes alternately providing between electrodes of said first group of electrodes branches which extend to the inside of said pairs of electrodes, and, c. means for supplying polyphase alternating electric signals to said common terminals of said first and second groups of electrodes thereby shifting a discharge spot generated between the electrodes of said first group and second group in the direction of said second group of electrodes.
Claim 11
Dependent Claim
33 words
An arrangement of electrodes on a display panel utilizing gas discharge according to claim 7, wherein each of said branches provide a projection in the position where the discharge should be easily produced.
Claim 12
Dependent Claim
223 words
An arrangement of electrodes on a display panel utilizing gas discharge, which includes a first group of electrodes on the base plate of said display panel being arranged in parallel facing a discharge space filled with ionizable gas and means for alternately connecting the electrodes of said first group to at least two common terminals for shifting a discharge spot toward the crossing of said first group of electrodes, comprising a. a second group of electrodes being arranged in parallel on said base plate so as to cross said first group of electrodes and being Electrically insulated from said first group of electrodes, said second group of electrodes except for those on each side alternately provide branches which extend to both sides of the electrode belonging to said second group of electrodes and electrodes belonging to each side of said second group of electrodes alternately provide branches which extend to the inside of said side electrodes, b. at least two common terminals alternately connected to said second group of electrodes so as to be used in pairs, and, c. means for supplying polyphase alternating electric signals to said common terminals of said first and second groups of electrodes thereby shifting a discharge spot generated between the electrodes of said first group and second group in the direction of said second group of electrodes.
Claim 13
Dependent Claim
223 words
An arrangement of electrodes on a display panel utilizing gas discharge, which includes a first group of electrodes on the base plate of said display panel being arranged in parallel facing a discharge space filled with ionizable gas and means for alternately connecting the electrodes of said first group to at least two common terminals for shifting a discharge spot toward the crossing of said first group of electrodes, comprising a. a second group of electrodes being arranged in parallel on said base plate so as to cross said first group of electrodes and being Electrically insulated from said first group of electrodes, said second group of electrodes except for those on each side alternately provide branches which extend to both sides of the electrode belonging to said second group of electrodes and electrodes belonging to each side of said second group of electrodes alternately provide branches which extend to the inside of said side electrodes, b. at least two common terminals alternately connected to said second group of electrodes so as to be used in pairs, and, c. means for supplying polyphase alternating electric signals to said common terminals of said first and second groups of electrodes thereby shifting a discharge spot generated between the electrodes of said first group and second group in the direction of said second group of electrodes.
Claim 14
Dependent Claim
33 words
An arrangement of electrodes on a display panel utilizing gas discharge according to claim 9, wherein each of said branches provide a projection in the position where the discharge should be easily produced.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |