US3790841A - Gas discharge display field for multicolor display - Google Patents

Gas discharge display field for multicolor display Download PDF

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Publication number
US3790841A
US3790841A US00323585A US3790841DA US3790841A US 3790841 A US3790841 A US 3790841A US 00323585 A US00323585 A US 00323585A US 3790841D A US3790841D A US 3790841DA US 3790841 A US3790841 A US 3790841A
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Prior art keywords
discharge
arrangement
accordance
basic colors
discharge cells
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US00323585A
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English (en)
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F Tsui
K Tsui
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International Business Machines Corp
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International Business Machines Corp
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/26—Signs formed by electric discharge tubes

Definitions

  • the invention relates to a gas discharge display field or device for multicolor information display by means of selective combinations of the three basic colors, red, blue and green, utilizing suitably modified gas discharge display devices, each device comprising a flat gas-filled discharge panel made to emit light by ionization of selected cells and whose opposite sides, limiting the discharge path, include a plurality of parallel elect ric conductors suitably insulated from the gas by a glass dielectric whereby the conductors of the the two plates forming a conductor pair are oriented in differen t directions, the crossings or intersections of the conductors defining discharge cells or sites.
  • Gas discharge display/storage devices of this kind are used to display information, such as characters, numbers, graphical representations, etc., and may have utility in computer input/output units.
  • the known gas discharge display/storage devices are used mainly for single color display.
  • gas discharge display devices comprising a flat gas-filled discharge panel which is made to emit light by ionization of selected sites and whose opposite sides, defining the discharge path, are covered by one field each of parallel electric conductors, whereby the two conductor fields are disposed orthogonally and in matrix shape in relation to each other, and whereby each crossing of the conductor matrix is associated with a discharge cell, the conductors associated with each discharge cell being subjectable to a sustain signal sustaining the state of a fired or a nonfired discharge cell, and to an additional voltage or write signal which combined with a sustain signal causes a selected discharge cell to be fired.
  • the discharge cells are physically separated from each other by means of nonconducting cell walls. All these arrangements have one feature in common they are merely suitable for the single color display of information.
  • the invention is characterized in that at least two discharge panels are provided which are separated from each other in the direction of discharge, that the conductors associated with each of the two discharge panels are disposed at an angle of about 60 in relation to each other, that the conductors of all conductor field pairs are disposed in three directions differing from each other by about 60, that in each of these directions discharge cells for two of the three basic colors are alternately arranged, one discharge cell for one basic color being common to two directions.
  • each such configuration comprises three light-emitting areas for the three basic colors.
  • the light-emitting areas of the discharge cells are preferably diamond-shaped, adjoining each other without any gaps.
  • a further preferred embodiment of the invention is characterized in that the discharge cells are not physically separated from each other by walls, and that an element phosphorescent in one of the three basic colors is associated with the discharge cells of the discharge spaces.
  • gas discharge display field in accordance with the invention which comprises only two gas layers, is characterized in that there are provided for one of the three basic colors a first discharge space with one conductor field pair, and for the remaining two basic colors a second discharge space with a conductor field X on one side and two conductor fields Y and Z extending in different directions on the other side, and that discharge cells of one basic color in the second discharge space are addressable via the conductor field pair X and Y, the discharge cells for the other basic color in the second discharge space being addressable via the conductor field pair X and Z.
  • FIG. l is an arrangement comprising elements phosphorescent in several colors for conventional color television picture screen.
  • FIG. 2 is a first embodiment of an arrangement of cells comprising elements phosphorescent in several colors in a gas discharge display field.
  • FIG. 3 is a second embodiment of an arrangement of cells comprising elements phosphorescent in several colors in a gas discharge display field.
  • FIG. 4i is a third embodiment of the cell arrangement of the instant invention comprising elements phosphorescent in several colors in a gas discharge display field.
  • FIG. 5 is a table depicting four grids used in the gas discharge display fields in accordance with FIGS. 6 and FIG. 6 is a diagrammatic sectional view of a gasdischarge display field for three gas layers and four grids, elements phosphorescent in one color being associated with the discharge cells of each gas layer.
  • FIG. '7 is a diagrammatic sectional view of a gas discharge display field with two gas layers, green phosphorescent elements being associated with the discharge cells of one layer, red and blue phosphorescent elements being respectively associated with the discharge cells in the second gas layer.
  • FIG. 1 shows the arrangement of the elements phorphorescent in the basic colors red (R), blue (B) and green (G) in conventional shadow mask color television receivers. Each of these elements can be selectively caused to emit light when impinged by a cathode ray. A required mixed color can be obtained by superimposing the basic colors red and/or blue and/or green upon each other. The arrangement shown in FIG.
  • the arrangement shown does not provide a coordinate selection system for addressing the individual discharge cells for the three basic colors, and if the discharge cells are associated with phosphorescent elements, such an arrangement, in which the elements are arranged closely adjacent to each other, does not permit transillumination projection since the individual phosphor elements are opaque.
  • FIG. 2 illustrates a cell configuration in accordance with which the elements phosphorescent in several col ors may be associated with the discharge cells of a gas discharge display field.
  • Each of the circular phosphorescent elements is associated with one discharge cell.
  • the elements are arranged so that the elements for two basic colors are alternately sequentially disposed on one line. On the lines designated 1, 1, 1" and 1", the elements for the basic colors red (R) and green (G) alternately follow each other, whereas on lines 2, 2, 2" and 2" and 0, 0" and 0", the elements for the basic colors blue (B) and red (R) and the elements for the basic colors blue (B) and green (G) respectively, alternately and sequentially succeed each other.
  • All lines designated by the same number extend parallel to each other, with lines 1, 1, 1", 1" being oriented at an angle of about 60 in relation to lines 0, 0, 0", 0", and lines 2, 2, 2", 2 being oriented at an angle of about 60 in relation to lines 0, 0', 0", 0".
  • These lines or grids are representative of the drive conductors for the various discharge cells, which are used for cell selection and addressing. In such an arrangement it is possible to address any discharge cell via the two drive conductors with which it is associated.
  • the discharge cell with which the red (R) phosphorescent element 3 is associated can be addressed via lines 1 and 2, and the cell for the green (G) phosphorescent element 4 is addressed via lines 1" and 0".
  • the gas discharge display field can be subjected to transillumination projection, provided transparent drive lines are used.
  • the ratio of the area occupied by phosphorescent elements and the blank area in the preferred embodiment is about 2.8 l, which may be reduced, if required;
  • FIG. 3 shows another arrangement in which the ratio of the areas occupied by color phosphorescent elements and the blank area is smaller than in FIG. 2.
  • the individual color phosphorescent elements are grouped in the triade configuration, with a space being left between groups of two successive elements on one line, so that in each case three adjacent elements are formed for the colors red (R), blue (B) and green (G).
  • the individual triades are physically separated from and do not immediately adjoin each other, as shown in FIG. 2.
  • FIG. 4 shows an arrangement of phosphorescent elements for a gas discharge display field without transmillumination projection which could be used, for example, for television and TV telephone applications.
  • the area not occupied by the phosphorescent elements should be kept as small as possible.
  • the phosphorescent elements are printed in lozenge (FIG. 4) or ellipse shape, with the coordinate conductors being associated with the individual elements in the same manner as in FIGS. 2 and 3.
  • lozenge-shaped phosphorescent elements are used in accordance with FIG. 4, the area not occupied by these elements is eliminated completely.
  • the individual elements rather adjoin each other without any gaps in keeping with the principle that for coordinate conductors the elements for two basic colors invariably alternate.
  • the individual coordinate conductors serving to address the discharge cells are transparent.
  • the individual conductor grids used in the gas discharge fields of FIGS. 6 and 7 are depicted in a table in 'FIG. 5.
  • the grids are designated in the table by the numbers 11, 21 and 31, grid 41 comprising a double grid extending in the same direction as grids l1 and 21.
  • the two conductor fields forming a grid pair and which in FIGS. 6 and 7 are associated with one discharge space are designated as A, B, C or D.
  • the information in the table of FIG. 5 indicates that grid pair A is formed by grids 11 and 21, grid pair B by grids 21 and 31, grid pair C by grids 11 and 31, and grid pair D by grid 31 and double grid 41..
  • FIG. 6 is a diagrammatic expanded sectional view of a gas discharge display field with three discharge spaces 5, 6 and 7.
  • the individual discharge spaces 5, 6 and 7 are sandwiched one on top of the other each discharge space being limited by two glass layers 5 and 5", 6' and 6", 7' and 7", respectively.
  • the blue phosphorescent elements 5" are associated with the discharge cells of discharge space 5, the red phosphorescent elements 6" with the discharge cells of discharge space 6, and the green phosphorescent elements 7" with the gas cells of discharge space 7.
  • Elements 5", 6" and 7" should be positioned in relation to each other in the manner shown in FIGS. 2, 3 or 4.
  • the discharge cells of discharge space 5 are addressed via the conductors of grid 11, which is disposed on grid layer 5', and via the conductors of grid 31 which is sandwiched between glass layers 5 and 6.
  • the conductors of each grid are disposed parallel to each other, while the conductors of grid 11 are disposed at an angle of about 60 with respect to the conductors of grid 31.
  • the gas cells of discharge space 6 are addressed via the conductors of grid 31 and 21, grid 21 being sandwiched between glass layers 6" and 7
  • the conductors of grid 21 are disposed at an angle of about 60 with respect to the conductors of grid 31- as shown in FIGS. 2, 3 and 4.
  • the discharge cells of discharge space 7 are addressed via the conductors of grid 21 7 grid 11, the latter arranged on glass layer 7The conductors of these two grids 21 and 11 are disposed at an angle of about 60 in relation to each other.
  • the phosphorescent element associated with it is excited, emitting colored light which may be either red, blue or green.
  • a desired mixed color can be obtained. It is also possible to provide an arrangement in which the discharge cells are physically separated from each other by walls and are filled with-gases from each one of the three basic colorsred, blue and green.
  • FIG. 7 is an enlarged diagrammatic representation of a gas discharge display field with only two discharge spaces 8 and 9. Both spaces 8 and 9 are limited by glass layers 8 and 8" and 9 and 9", respectively. The two limited discharge spaces 8 and 9 are arranged one above the other.
  • the discharge cells of discharge space 9 are associated with green phosphorescent elements 9", while discharge space 8 comprises alternate discharge cells associated with the blue phosphorescent elements 8 and the red phosphorescent elemtns b, respectively.
  • the cells of discharge space 9 are addressed via the conductors of grid 11, arranged on glass layer 9", and grid 21, arranged on glass layer 9'.
  • the conductors of grid 21 extending in the same direction as grid 21 are disposed in meander fashion between and on top of the conductors of grid 11.
  • the red phosphorescent elements 3, blue phosphorescent elements 8" and green phosphorescent elements 9" in the gas discharge display field of FIG. 7 are aligned with respect to each other in the manner shown in FIGS. 2, 3 and 1.
  • FIGS. 2, 3 and 4 also show the direction in which the conductors of the various grid planes extend.
  • the conductors of each grid are disposed parallel to each other.
  • the conductors of grid 21 are disposed at an angle of about 60, whereas the conductors of grid 31 are disposed at an angle of about 60 with respect to those of grid 21; the directions in which the conductors of double grid 11 and grids 11 and 21 extend are identical.
  • the invention as described has the special advantage that addressing of the various discharge cells is made very easy with the aid of nonorthogonal coordinates.
  • the sandwich structure of the gas discharge arrangement as described canbe readily manufactured.
  • a further advantage consists in the fact that the gas discharge display field for the three basic colors requires only two discharge spaces.
  • Gas discharge display apparatus for multicolor information display by means of the three basic colors red, blue and green utilizing suitably modified gas discharge devices (known from single color display) comprising in combination,
  • a flat gas-filled discharge display panel made to emit light by ionization and whose opposite sides limiting the discharge path include a plane of parallel electric conductors, the conductors of the two sides being oriented in different directions, the
  • each discharge cell for one basic color being common to two directions.
  • a first discharge space (9) with one conductor field pair there is provided for one of the three basic colors a first discharge space (9) with one conductor field pair, and for the remaining two basic colors a second discharge space (8) with a conductor field X (31) on one side, and two conductor fields Y and Z (11 and 21) extending in different directions on the other side, and that the discharge cells of one basic color in the second discharge space (3) are addressable via the X and Y conductor field pairs (31 and 11), the discharge cells for the other basic color in the second discharge space (d) being addressable via the conductor field pair X and z (31 and 21).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
US00323585A 1972-01-26 1973-01-15 Gas discharge display field for multicolor display Expired - Lifetime US3790841A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2203572A DE2203572C3 (de) 1972-01-26 1972-01-26 Gasentladungs-Anzeigefeld für mehrfarbige Darstellungen

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US3790841A true US3790841A (en) 1974-02-05

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US (1) US3790841A (zh)
JP (1) JPS5522903B2 (zh)
DE (1) DE2203572C3 (zh)
FR (1) FR2169700A5 (zh)
GB (1) GB1355590A (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843959A (en) * 1972-06-22 1974-10-22 Fujitsu Ltd Matrix type display driving system
US3859553A (en) * 1973-09-26 1975-01-07 Ibm Hexagonal display array having close-packed cells
US3892998A (en) * 1972-10-25 1975-07-01 Ibm Gas discharge device for multicolor information display
US4048533A (en) * 1971-10-12 1977-09-13 Owens-Illinois, Inc. Phosphor overcoat
US7034446B2 (en) 2000-03-01 2006-04-25 Chad Byron Moore Fluorescent lamp composed of arrayed glass structures
US20060214880A1 (en) * 2005-03-28 2006-09-28 Moore Chad B Double-sided fiber-based displays

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5257778A (en) * 1975-11-06 1977-05-12 Matsushita Electronics Corp Gas discharge type indicator
DE2718769C2 (de) * 1977-04-27 1985-02-07 Sartorius GmbH, 3400 Göttingen Waage mit Digitalanzeige
JPS53146594A (en) * 1977-05-26 1978-12-20 Fuji Xerox Co Ltd Display element employing magnetic bubble
DE2926775A1 (de) * 1979-07-03 1981-02-12 Licentia Gmbh Plasma-display
JPS60102879U (ja) * 1983-12-17 1985-07-13 名伸電機株式会社 電線絶縁カバ−類の間隙封止材
JPS62200255U (zh) * 1986-06-10 1987-12-19

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048533A (en) * 1971-10-12 1977-09-13 Owens-Illinois, Inc. Phosphor overcoat
US3843959A (en) * 1972-06-22 1974-10-22 Fujitsu Ltd Matrix type display driving system
US3892998A (en) * 1972-10-25 1975-07-01 Ibm Gas discharge device for multicolor information display
US3859553A (en) * 1973-09-26 1975-01-07 Ibm Hexagonal display array having close-packed cells
US7034446B2 (en) 2000-03-01 2006-04-25 Chad Byron Moore Fluorescent lamp composed of arrayed glass structures
US20060214880A1 (en) * 2005-03-28 2006-09-28 Moore Chad B Double-sided fiber-based displays
US7656365B2 (en) * 2005-03-28 2010-02-02 Chad Byron Moore Double-sided fiber-based displays

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Publication number Publication date
DE2203572B2 (de) 1979-06-07
DE2203572C3 (de) 1980-03-06
JPS5522903B2 (zh) 1980-06-19
FR2169700A5 (zh) 1973-09-07
JPS4886465A (zh) 1973-11-15
DE2203572A1 (de) 1973-08-02
GB1355590A (en) 1974-06-05

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