US3892998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas discharge device for multicolor information display
Assignee: International Business Machines Corp
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Filing: 1973-10-25
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Granted: 1975-07-01
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Expires: 1993-10-25
Abstract
Abstract A gas discharge display/storage apparatus in which a multicolor display is achieved utilizing an arrangement of the triad cell configuration. The triad cell configuration may be positioned on a transparent filter sheet or may be represented by polychromatic phosphor cells formed on the inner surface of the gas discharge display storage apparatus. The triad arrangement representing basic colors of red, blue and green is addressed by horizontal conductors which thread through each of the three cells in the triad arrangement, while the vertical conductors are arrayed in groups of three, each conductor threading the cells of a specific color. The panel can thereby be constructed substantially as a conventional black and white plasma display device, and conventional addressing techniques may be utilized to provide a plasma display with multicolor capability.
Inventors
- 👤 Frank Tsui
- 👤 Katherine Tsui
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:24
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/492; H01J17/497; G; G09; G09F; G09F13/00; G09F13/26
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
182 words
A gas discharge device for a multicolor information display having a gas composition within a discharge chamber which can be excited into illumination by means of ionization, wherein the opposing sides of said discharge chamber include first and second arrays of substantially parallel conductors, said conductor arrays being disposed at an angle relative to each other, the crossover points of respective conductors of said first and second arrays defining coordinate discharge cells, the improveMent wherein a single discharge chamber is provided for exciting the light emission for all basic colors and combinations thereof, wherein the conductors of said first array are divided into associated groups of three conductors, each of said three conductors being suitable for exciting one of three adjacent cells in one of the three basic colors, said second conductor array comprising a plurality of individual parallel conductors connected in a meandering configuration through the cells of associated groups of conductors, the coincident energization of a conductor from said first and second array producing discharge of the associated cell, said discharge producing a light emission corresponding to a selected color.
Claim 2
Dependent Claim
182 words
A gas discharge device for a multicolor information display having a gas composition within a discharge chamber which can be excited into illumination by means of ionization, wherein the opposing sides of said discharge chamber include first and second arrays of substantially parallel conductors, said conductor arrays being disposed at an angle relative to each other, the crossover points of respective conductors of said first and second arrays defining coordinate discharge cells, the improveMent wherein a single discharge chamber is provided for exciting the light emission for all basic colors and combinations thereof, wherein the conductors of said first array are divided into associated groups of three conductors, each of said three conductors being suitable for exciting one of three adjacent cells in one of the three basic colors, said second conductor array comprising a plurality of individual parallel conductors connected in a meandering configuration through the cells of associated groups of conductors, the coincident energization of a conductor from said first and second array producing discharge of the associated cell, said discharge producing a light emission corresponding to a selected color.
Claim 3
Dependent Claim
29 words
An arrangement as claimed in claim 1 wherein said adjacent cells are arranged in 60* triad configuration, each cell being provided for emitting one of the three basic colors.
Claim 4
Dependent Claim
37 words
An arrangement as claimed in claim 1, characterized in that the meandering configuration of said conductors in said second array intersect substantially straight conductors of said first array, the crossover points being defined by orthogonally crossing conductors.
Claim 5
Dependent Claim
38 words
An arrangement as claimed in claim 2, characterized in that the cells of each triad configuration are joined to each other without gaps, but individual triad cell configurations are separated by transparent areas for observing additional display data.
Claim 6
Dependent Claim
20 words
An arrangement as claimed in claim 4 characterized in that said additional display data is disposed behind the discharge device.
Claim 7
Dependent Claim
54 words
An arrangement as claimed in claim 1 wherein all said discharge cells are adapted for the primary emission of polychromatic white light, said arrangement being characterized in providing over the entire display surface a filter sheet with individual areas corresponding to said cell locations which are transparent to one of the three basic colors.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-30 | 1978-12-30 | 1979-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-30 | 1982-12-30 | 1983-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-30 | 1986-12-30 | 1987-07-01 | $7700.00 | Window Closed / Lapsed |