EP0078193B1 - Circuit de commande d'un panneau à plasma de type alternatif - Google Patents
Circuit de commande d'un panneau à plasma de type alternatif Download PDFInfo
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- EP0078193B1 EP0078193B1 EP82401897A EP82401897A EP0078193B1 EP 0078193 B1 EP0078193 B1 EP 0078193B1 EP 82401897 A EP82401897 A EP 82401897A EP 82401897 A EP82401897 A EP 82401897A EP 0078193 B1 EP0078193 B1 EP 0078193B1
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- European Patent Office
- Prior art keywords
- integrated
- circuit
- integrated circuits
- voltage
- amplifiers
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- 238000012423 maintenance Methods 0.000 description 38
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 235000020004 porter Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/296—Driving circuits for producing the waveforms applied to the driving electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
- G09G3/292—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for reset discharge, priming discharge or erase discharge occurring in a phase other than addressing
- G09G3/2927—Details of initialising
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
- G09G3/293—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for address discharge
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/291—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes
- G09G3/294—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels controlling the gas discharge to control a cell condition, e.g. by means of specific pulse shapes for lighting or sustain discharge
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/28—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels
- G09G3/288—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels
- G09G3/297—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using luminous gas-discharge panels, e.g. plasma panels using AC panels using opposed discharge type panels
Definitions
- the present invention relates to a control circuit for an alternating type plasma panel.
- Plasma panels of the alternative type are well known in the prior art, in particular by French patent application No. 7,804,893, published under No. 2,417,848 in the name of THOMSON-CSF and by the article published in the "THOMSON-CSF Technical Review", June 1978, volume 10, n ° 2, pages 249 to 275.
- Each cell is constituted by the gas space located at the intersection of two electrodes belonging to two networks of orthogonal electrodes and is subjected to control signals formed by the difference of the voltages applied to the two electrodes between which it is located.
- control signals mention may be made of the registration signals which cause the cells to ignite, the erasure signals which extinguish the cells and the maintenance signals which keep the cells in their initial state, namely the state off, i.e. the status on.
- control circuits for plasma panels of the alternative type which allow the development of control signals for the panels.
- plasma panel control circuits comprising a multiplexing network which makes it possible to reduce the number of amplifiers used for the production of selective signals, that is to say registration and erasure signals, which, unlike maintenance signals, must only act on selected cells.
- This multiplexing network can be achieved by associating with each electrode two diodes and a resistor.
- the present invention relates to a circuit for control of plasma panels of the alternative type which does not have the drawbacks encountered on known control circuits.
- the present invention relates to a control circuit for an alternating type plasma panel, comprising integrated circuits ensuring the generation of the recording and erasing signals of the panel and which comprise diode networks, maintenance signals. being produced by output amplifiers, all these signals being applied between two electrodes belonging to two networks of orthogonal electrodes, characterized in that the output amplifiers are produced by at least one non-integrated amplifier and in that the network of diodes each integrated circuit is connected to the outputs of the respective non-integrated amplifiers and to the electrodes of a network; during the preparation of the recording and erasing signals, these diode networks ensuring the non-intervention of the non-integrated amplifiers and during the development of the maintenance signals, these diode networks ensuring the circulation of the currents maintenance between amplifiers and electrodes without the other elements of integrated circuits being used.
- FIG. 1 is a diagram showing the organization of the control circuit according to the invention.
- This plasma panel which bears the reference 1.
- This plasma panel comprises two networks of orthogonal electrodes, the electrodes of which bear the references x, to X n and y, to y n .
- the control circuit according to the invention consists of integrated circuits and amplifiers.
- the electrodes x, to Xn are controlled by integrated circuits which bear the reference X. These integrated circuits are associated with a single amplifier which bears the reference 2.
- the integrated circuits X are supplied with DC voltages of values 0 Volt, 12 Volts and 100 Volts and by a low voltage slope signal which generally increases from 0 to 12 Volts.
- these integrated circuits X receive orders in low voltage logic which define the signal to be executed, its duration and the electrodes of the panel to be addressed.
- the electrodes y, at y n are controlled by integrated circuits which bear the reference Y.
- Two amplifiers 3 and 4 are associated with these integrated circuits.
- the integrated circuits Y are supplied with _ continuous voltages of values 0 Volt, 12 Volts, + 100 Volts and -100 Volts.
- Each integrated circuit X and Y generally makes it possible to control 32 electrodes of the panel.
- a plasma panel comprising 256 electrodes at x and 256 electrodes at y will have its control circuit made up of 8 integrated circuits X and a single amplifier for controlling the network of electrodes at x, and 8 integrated circuits Y and of two amplifiers for controlling the array of electrodes in y.
- Figures 2 and 3 are diagrams showing the structure of the integrated circuits X and Y used in the control circuit according to the invention.
- Each integrated circuit X and Y has three parts: a logic circuit 5, a low voltage / high voltage interface circuit 6 and a network of diodes 8. We will study each of these parts.
- a logic circuit 5 which receives orders in low voltage logic defining the signal to be executed, its duration and the electrodes of the panel to be addressed.
- This logic circuit 5 is supplied by a direct voltage of 12 Volts.
- This interface circuit comprises means symbolized by switches, 1 2 in FIG. 2 and 1 4 in FIG. 3. These means make it possible to carry each electrode of the panel at two different levels, for the integrated circuits X of FIG. 2 which are associated with a single amplifier 2, and at four different levels, for the integrated circuits Y of FIG. 3 which are associated with two amplifiers 3 and 4.
- each switch 1 2 applies to the electrode at x of the panel to which it is connected, ie a voltage of 0 Volt, or a high voltage slope signal.
- this interface circuit is supplied by DC voltages of 0 Volt, of + 100 Volts and by a low voltage slope signal which varies linearly generally between 0 and + 12 Volts.
- This slope low voltage signal is amplified by an amplifier 7 which is part of the interface circuit 6 is enabling switches 1 2 applied to the panel electrodes is 0 Volt, a high slope signal voltage which varies linearly, generally, from 0 to 100 Volts.
- each integrated circuit X with a low-voltage slope signal because this makes it possible to easily adapt the slope of the signal from the outside to the characteristics of the various plasma panels.
- each switch 1 4 applies to the electrode at y of the panel to which it is connected, ie a voltage of 0 Volt. either a voltage of substantially + 100 volts, or a voltage of substantially ⁇ 100 volts.
- a voltage of 0 Volt. either a voltage of substantially + 100 volts, or a voltage of substantially ⁇ 100 volts.
- each switch 1 4 does not impose any voltage on the electrode at y of the panel to which it is connected and has a high impedance to the network of diodes 8 which follows it.
- the switches 1 4 are placed in this last position which isolates them from the diode network 8 which follows them on the integrated circuit Y.
- the interface circuit 6 of FIG. 3 receives supply voltages of 0 Volt, of substantially + 100 Volts and of substantially ⁇ 100 Volts.
- a network of diodes 8 which provides the connection between, on the one hand, the outputs of the circuit low voltage / high voltage interface 6 and, on the other hand, the outputs of amplifiers 2, 3 and 4 and the panel electrodes.
- each output of the interface circuit 6 is connected to two diodes D, and D 2 mounted head to tail.
- Diode D has its cathode connected to an output of the interface circuit and its anode connected to ground.
- Diode D 2 has its anode connected to an output of the interface circuit and its cathode connected to the output of amplifier 2.
- each output of the interface circuit 6 is also connected to two diodes D 3 and D 4 mounted head to tail.
- Diode D 3 has its cathode connected to an output of the interface circuit and its anode connected to the output of amplifier 3.
- Diode D 4 has its anode connected to an output of the interface circuit and its cathode connected to the output of amplifier 4.
- FIGS. 4a to e relate to the development of the maintenance signals.
- FIG. 4a the voltage of 0 Volt applied to the electrodes of the front face and which has been called V x has been shown .
- FIG. 4b the voltage in battens applied to the electrodes of the rear face and which has been called Vy, has been shown.
- FIG. 4c represents the voltage in slots Vx-Vy applied to each cell of the panel.
- FIG. 4c shows the memory voltage V m at the terminals of each cell.
- Maintenance signals do not change the condition of the cells. When a cell is turned off. her memory voltage remains zero when it receives the maintenance signal. When a cell is on, there is an inversion of the memory voltage V M each time the maintenance signal alternates.
- FIG. 4d represents the discharge current i created by the maintenance signals in the lit cells.
- This discharge current is in the form of pulses which change sign with each alternation of the maintenance signal.
- FIG. 4e represents the pulses of light emitted by a cell which is in the on state and which receives the maintenance signal.
- the control circuit which generates the maintenance signal must supply or accept, according to its direction, the discharge current which is a few tens of micro-amperes per cell lit and this for 0.1 to 0.2 microseconds.
- Each integrated circuit X in FIG. 2 must maintain the electrodes at x to which they are connected at 0 Volt.
- each electrode at x is connected to the amplifier 2 via the diode D 2 .
- the amplifier maintains the voltage of 0 Volt on its output during the alternation of the maintenance signal where the control circuit must accept the discharge current I + .
- Diode D 2 is forward biased and lets current I + flow. Throughout the duration of the maintenance signal, the low voltage / high voltage interface circuit 6 supplies a voltage of 0 Volt.
- the diode D 1 is reverse biased and the current I + cannot therefore cross it.
- each electrode is connected to the cathode of the diode D 1 whose anode is connected to ground.
- the amplifier 2 has its output equal to or greater than 0 Volt.
- the discharge current 1- flows from ground to the electrodes through the diodes D 1 and without passing through the diodes D 2 .
- each integrated circuit Y of FIG. 3 must apply to the electrodes at which it is connected, square-wave voltages of + 100 Volts and -100 Volts approximately.
- each electrode at y is connected to the amplifier 4, via the diode D 4 .
- the output of amplifier 4 is then substantially equal to -100 Volts and amplifier 4 carries the electrodes to -100 Volts.
- the output of the amplifier 3 is also substantially -100 volts, so the diode D 3 is in reverse and the current I + cannot cross it.
- the low voltage / high voltage interface circuit 6 does not impose any voltage on the electrodes at y.
- the switches 1 4 are in their fourth position.
- the discharge current 1- which goes from the integrated circuits Y to the electrodes therein is supplied, during one of the alternations of the maintenance signal, by the amplifier 3 via the diode D 3 .
- the output of amplifier 3 is then substantially + 100 Volts and amplifier 3 carries the panel electrodes to + 100 Volts.
- the output of the amplifier 4 is also substantially + 100 volts, the diode D 4 is reverse biased and the current 1- cannot cross it.
- control circuit according to the invention allows the generation of the maintenance signals
- FIGS. 5 and 6a to h After having explained how the control circuit according to the invention allows the generation of the maintenance signals, we will now explain how it allows the generation of the selective signals using FIGS. 5 and 6a to h.
- FIG. 5 schematically represents four cells C 11 , C 12 , C 21 and C 22 of a plasma panel. These cells are located at the intersections of two horizontal electrodes X 1 and X 2 , and two vertical electrodes y 1 and y z .
- FIGS. 6a to d represent the voltages V x1 , V X2 , Vy1 and Vy 2 to be applied to the electrodes X 1 , x 2 , Y 1 and y 2 so as to maintain the cells C 11 , C 12 , and C 21 in their initial state, and enter cell C 22 ⁇
- the voltages V y1 and Vy 2 are formed by a series of two or three slots at + or -100 volts.
- Figures 6e to h represent the voltages obtained at the terminals of cells C 11 , C 12 , C 21 and C 22 ⁇ The memory voltage of these cells is shown in broken lines.
- the integrated circuit X in FIG. 2 is used.
- the two positions of the switches 1 2 make it possible to obtain a voltage of 0 Volt and a ramp of increasing voltage from 0 to 100 Volts, then stabilizing at 100 Volts if desired.
- the voltage at the output of amplifier 2 is then fixed at + 100 Volts.
- the diode D 2 is constantly in reverse and the amplifier 2 does not intervene.
- the integrated circuit Y of FIG. 3 is used.
- the switches 1 3 make it possible to obtain voltages of ⁇ 100 volts, + 100 volts and 0 volts.
- the output voltage of amplifier 3 is then fixed at -100 Volts and the output voltage of amplifier 4 is then fixed at + 100 Volts.
- diodes D 3 and D 4 are constantly in reverse and amplifiers 3 and 4 do not intervene.
- the diode networks 8 of the integrated circuits X, Y ensure the non-intervention of the amplifiers 2, 3 and 4 and during the preparation of the signals d 'maintenance, these diode networks ensure the circulation of the maintenance currents I + , 1- between the amplifiers and the electrodes, without the other elements of the integrated circuits being used.
- these amplifiers are generally produced in bipolar technology and have a low output resistance unlike integrated circuits which have a high output resistance.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8119941A FR2515402B1 (enrdf_load_stackoverflow) | 1981-10-23 | 1981-10-23 | |
FR8119941 | 1981-10-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0078193A1 EP0078193A1 (fr) | 1983-05-04 |
EP0078193B1 true EP0078193B1 (fr) | 1986-08-20 |
Family
ID=9263333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82401897A Expired EP0078193B1 (fr) | 1981-10-23 | 1982-10-15 | Circuit de commande d'un panneau à plasma de type alternatif |
Country Status (5)
Country | Link |
---|---|
US (1) | US4575721A (enrdf_load_stackoverflow) |
EP (1) | EP0078193B1 (enrdf_load_stackoverflow) |
JP (1) | JPH0736101B2 (enrdf_load_stackoverflow) |
DE (1) | DE3272748D1 (enrdf_load_stackoverflow) |
FR (1) | FR2515402B1 (enrdf_load_stackoverflow) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2547091B1 (fr) * | 1983-06-03 | 1985-07-05 | Thomson Csf | Procede de commande d'un panneau a plasma de type alternatif et dispositif pour sa mise en oeuvre |
FR2552575B1 (fr) * | 1983-09-27 | 1985-11-08 | Thomson Csf | Circuit de commande d'un panneau a plasma de type alternatif |
FR2578671B1 (fr) * | 1985-03-05 | 1987-05-15 | Thomson Csf | Circuit de commande d'un panneau a plasma de type alternatif |
EP1231590A3 (en) * | 1991-12-20 | 2003-08-06 | Fujitsu Limited | Circuit for driving display panel |
KR950003381B1 (ko) * | 1992-05-26 | 1995-04-12 | 삼성전관 주식회사 | 플라즈마 어드레스방식의 액정표시장치 및 그 구동방법 |
US5510748A (en) * | 1994-01-18 | 1996-04-23 | Vivid Semiconductor, Inc. | Integrated circuit having different power supplies for increased output voltage range while retaining small device geometries |
US5572211A (en) * | 1994-01-18 | 1996-11-05 | Vivid Semiconductor, Inc. | Integrated circuit for driving liquid crystal display using multi-level D/A converter |
US5465054A (en) * | 1994-04-08 | 1995-11-07 | Vivid Semiconductor, Inc. | High voltage CMOS logic using low voltage CMOS process |
US6078318A (en) | 1995-04-27 | 2000-06-20 | Canon Kabushiki Kaisha | Data transfer method, display driving circuit using the method, and image display apparatus |
US5604449A (en) * | 1996-01-29 | 1997-02-18 | Vivid Semiconductor, Inc. | Dual I/O logic for high voltage CMOS circuit using low voltage CMOS processes |
KR100217280B1 (ko) * | 1997-06-20 | 1999-09-01 | 전주범 | Pdp-tv에서 어드레스 구동ic의 데이터 입력 제어신호 생성장치 및 그 방법. |
FR2773907B1 (fr) * | 1998-01-20 | 2000-04-07 | Thomson Tubes Electroniques | Panneau a plasma bi-substrat a rendement lumineux ameliore |
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US3821596A (en) * | 1971-10-19 | 1974-06-28 | Owens Illinois Inc | Sustainer voltage generator |
US3846646A (en) * | 1972-12-08 | 1974-11-05 | Owens Illinois Inc | Control apparatus for supplying operating potentials |
US3867646A (en) * | 1973-10-05 | 1975-02-18 | Electronic Arrays | MOSFET circuitry for integrated chips interfacing with higher voltage devices |
US3997813A (en) * | 1975-11-10 | 1976-12-14 | Burroughs Corporation | MOS integrated circuit chip for display panels |
US4063131A (en) * | 1976-01-16 | 1977-12-13 | Owens-Illinois, Inc. | Slow rise time write pulse for gas discharge device |
JPS5567791A (en) * | 1978-11-16 | 1980-05-22 | Fujitsu Ltd | Blanking system for display unit |
JPS5683792A (en) * | 1979-12-11 | 1981-07-08 | Fujitsu Ltd | Gas discharge panel |
US4316123A (en) * | 1980-01-08 | 1982-02-16 | International Business Machines Corporation | Staggered sustain voltage generator and technique |
US4392084A (en) * | 1981-03-13 | 1983-07-05 | The United States Of America As Represented By The Secretary Of The Army | Sustainer circuit for plasma display panels |
US4370651A (en) * | 1981-06-29 | 1983-01-25 | International Business Machines Corporation | Advanced plasma panel technology |
-
1981
- 1981-10-23 FR FR8119941A patent/FR2515402B1/fr not_active Expired
-
1982
- 1982-09-30 US US06/431,152 patent/US4575721A/en not_active Expired - Lifetime
- 1982-10-15 EP EP82401897A patent/EP0078193B1/fr not_active Expired
- 1982-10-15 DE DE8282401897T patent/DE3272748D1/de not_active Expired
- 1982-10-21 JP JP57185337A patent/JPH0736101B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2515402B1 (enrdf_load_stackoverflow) | 1987-12-24 |
US4575721A (en) | 1986-03-11 |
JPS5880695A (ja) | 1983-05-14 |
EP0078193A1 (fr) | 1983-05-04 |
FR2515402A1 (enrdf_load_stackoverflow) | 1983-04-29 |
JPH0736101B2 (ja) | 1995-04-19 |
DE3272748D1 (en) | 1986-09-25 |
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