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WO1992016012A1 - Dispositif projecteur de lumiere - Google Patents

Dispositif projecteur de lumiere Download PDF

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Publication number
WO1992016012A1
WO1992016012A1 PCT/JP1992/000223 JP9200223W WO9216012A1 WO 1992016012 A1 WO1992016012 A1 WO 1992016012A1 JP 9200223 W JP9200223 W JP 9200223W WO 9216012 A1 WO9216012 A1 WO 9216012A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
phosphors
emitted
thermoelectrons
light irradiation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP1992/000223
Other languages
English (en)
Japanese (ja)
Inventor
Masamitsu Uehara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Publication of WO1992016012A1 publication Critical patent/WO1992016012A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/92—Lamps with more than one main discharge path
    • H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/08—Electrodes intimately associated with a screen on or from which an image or pattern is formed, picked-up, converted or stored, e.g. backing-plates for storage tubes or collecting secondary electrons
    • H01J29/085—Anode plates, e.g. for screens of flat panel displays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/15—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen with ray or beam selectively directed to luminescent anode segments
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J63/00—Cathode-ray or electron-stream lamps
    • H01J63/06—Lamps with luminescent screen excited by the ray or stream

Definitions

  • the present invention relates to a light irradiating device that emits multicolor light by using a cathode disappointment phenomenon. More specifically, it relates to a light irradiation device used in an optical scanner device that optically captures 5% of figures and characters.
  • an electron emitter in a vacuum is simply provided with a filament such as a tungsten wire on an insulating substrate, and electricity is supplied to the device. And then accelerated by an electric field.
  • the grid and the pole ⁇ a which are suspended in a coil in the space in the light irradiation device, are used.
  • the accelerated electrons were controlled to collide with a phosphor layer formed by applying a powdered phosphor to emit light.
  • Another object of the present invention is to provide a light irradiating device that has little scattering of the radiated light ′ of individual luminescence even in multicolor luminescence.
  • the present invention provides a light irradiation device comprising: an electron emitter that emits thermal electrons when heated by energization; and a plurality of phosphors that emit light when the emitted thermoelectrons collide.
  • An electron which has a slit and passes the emitted thermoelectrons through the slit to narrow the emission direction of the thermoelectrons in one predetermined direction.
  • a constricting means which is supplied with a predetermined voltage and sequentially directs the thermoelectrons constricted in the one direction to each of the plurality of fluorescent lights;
  • the control electrode to be illuminated and the plurality of phosphors are provided integrally with each of the plurality of phosphors, and a predetermined voltage is applied to each of the plurality of phosphors sequentially.
  • Another object of the present invention is to provide a light irradiation device characterized by having an electrode for controlling the thermal electrons so as not to collide with two or more phosphors at the same time.
  • the present invention provides an electron emitter that emits thermoelectrons when heated by energization, and a plurality of phosphors that emit light by colliding with the emitted thermoelectrons.
  • a thin-film electrode provided integrally with each of the plurality of phosphors and a control power supply for sequentially switching the polarity of the electrode are provided.
  • a light irradiation device characterized in that the emitted thermoelectrons are attracted to the electrodes whose polarity is sequentially switched and collide with the plurality of phosphors sequentially. is there .
  • the present invention provides an electron emitter that emits thermal electrons when heated by energization, and a plurality of phosphors that emit light by colliding with the emitted thermal electrons.
  • the light irradiating device is provided with light condensing means for converging the light shining from the plurality of phosphors in a predetermined external direction, respectively.
  • a light irradiation device is provided.
  • the present invention provides an electron emitter that emits thermoelectrons when heated by energization, and a plurality of phosphors that emit light by colliding with the emitted thermoelectrons.
  • a reflection member is provided so that each light emitted from the plurality of phosphors does not enter other phosphors. Illuminated It provides a launching device.
  • FIG. 1 is a diagram showing a main configuration of a first embodiment of the present invention
  • FIG. 2 is a partial cross-sectional view for explaining the main structure of the first embodiment of the present invention.
  • FIG. 3 is a cross-sectional view of the main components for explaining the operation of the first embodiment of the present invention.
  • FIG. 4 is a diagram showing a main configuration of a second embodiment of the present invention.
  • FIG. 5 is a cross-sectional view of the main components for explaining the operation of the second embodiment of the present invention.
  • FIG. 6 is a cross-sectional view of the main components for explaining the operation of the third embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of the main components for explaining the operation of the fourth embodiment of the present invention.
  • an electron emitter 2 for emitting thermoelectrons and an insulating table 3 for installing the electron emitter 2 are provided on a substrate 1. As shown in FIG. 2, the electron emitter 2 is electrically connected to the heater electrodes 4 and 41.
  • case 5 Force Seal material It is sealed by fusing using 6.
  • a light extraction window 7 is formed in the case 5.
  • a transparent electrode 9 is formed on the window 7 as shown in FIGS. 2 and 3, and three kinds of phosphor layers 8-1, 8-2, 8-1 having different emission wavelengths are formed thereon.
  • the light transmitting plate 10 on which 3 is installed is fused and sealed with a material equivalent to the seal material 6.
  • each of the phosphor layers 8-1, 8-2, and 8-3 is provided with an antistatic electrode 1911, 1912 formed partially of a conductive or semiconductive material. , 1913 are formed uniformly or non-uniformly in the thickness range of 0.05 / zm to 2 / im, and are formed by the insulating layer 21 as shown in FIG. Thus, it is electrically insulated from the transparent electrode 9.
  • control electrodes 24-1 and 24-2 are electrically connected to the signal electrodes 20-1 and 20-2, respectively, in a vacuum inside the case 5. ing .
  • the above-mentioned fusion of the case 5 and the substrate 1 is performed in a vacuum, and the vacuum is maintained in the case 5 so that the pressure in the case 5 is not more than 0.001 Pa even after the fusion. It is.
  • a hole 11 is formed in the case 5 as shown in FIGS. 1 and 3, and a high-voltage electrode 13 is formed therein by a sealant 12. It is installed so that the degree of vacuum inside and electrical insulation are maintained.
  • the signal electrodes 20 — 1 and 20 — 2 have sealants 1 2 0 — 1 and 1 in the holes 1 1 0 — 1 and 1 1 0 — 2, respectively. It is installed so that the internal vacuum and electrical insulation are maintained by 20-2.
  • the high-voltage electrode 13 is electrically connected to the transparent electrode 9 in a vacuum inside the case 5. Further, the electron emitter 2 is formed to have a small cross-sectional area so that the temperature is easily increased by energizing and generating heat. A secondary electron emitting layer 14 is coated on the outer side of the electron emitter 2 so that the secondary electrons can be emitted several times as many as the thermal electrons emitted by energized heat generation. It has a simple structure.
  • a secondary electron aperture 22 forming an elongated slit is provided on the electron emitter 2, and the secondary electron emission layer 14 is formed.
  • the generated secondary electron beam 18 was narrowed down by applying a negative potential.
  • a heater power supply 15 is connected to the heater electrodes 4 and 41, and a predetermined current is applied to the electron emitter 2 shown in FIG. 2 to emit thermoelectrons. .
  • a predetermined current is applied to the electron emitter 2 shown in FIG. 2 to emit thermoelectrons.
  • more secondary electrons are emitted from the secondary electron emission layer 14.
  • 100 V to 20 kV using a high voltage power supply 16 so that the high voltage electrode 13 side becomes an anode between the heater electrode 4 and the high voltage electrode 13.
  • High voltage is applied.
  • a large amount of the secondary voltage beam 18 narrowed down by the secondary electron aperture 22 is accelerated by the electric field, and the fluorescent layers 8-1, 8, 8-2, 8-3 Collided with Cathodoluminescence emission having a specific wavelength is generated. These emitted light are emitted as light 17-1, 17-2, and 17-3, respectively.
  • Antistatic electrodes 19, 11, 19-2, 1 are provided on the surfaces of the respective phosphor layers 8-1, 8-2, 8-3 so that they have the same electric potential as the transparent electrode 9. Since 9-3 is installed, the fluorescent layers 8-1, 8-such as organic gas existing in the internal space formed by the case 5 and the substrate 1. 2, 8-3 Can prevent seizure on the surface. Furthermore, it is possible to reduce the distortion of the spatial electric field and the local fluctuation of the electric field strength due to the accumulation of the electric charges on the phosphor layer surface.
  • the phosphor layers 8-1, 8-2, and 8-3 are formed by filling the surroundings of the particulate phosphor 30 with a transparent or translucent filler 31. Has formed.
  • This filler uses a material whose refractive index is smaller than that of the phosphor and larger than 1.
  • the particles of the phosphor can be firmly bonded to each other, the mechanical strength is further improved, and the phosphor layer 8-1 having a high resistance to mechanical vibrations and shocks has a high reliability. 8-2 and 8-3 can be obtained
  • the filling rate of the phosphor in the phosphor layers 8-1, 8-2, 8-3 is 60% or more, preferably 72% or more and 99% or less, and more preferably. Is 78% or more and 98% or less, and the higher the filling rate, the better the luminous efficiency.
  • the phosphor layers 8-1, 8, 2 and 8-3 formed by using the above-mentioned filler have a smooth surface so that uniform light emission can be obtained.
  • the signal electrodes 20-1 and 20-2 which are not shown in the figure, are externally and independently applied with an appropriate power supply, and are connected to each other.
  • the secondary electron beam 18 was swung in the direction 25 by changing the electric field intensity distribution around the electrodes 24 1 and 24 2, the phosphor layer 8 1 , 8-2, 8-13, a characteristic cathode luminescence was obtained sequentially.
  • an electrode 23 is placed near the top of the insulating layer 21 so as to surround the phosphor layers 8-1, 8, 2 and 8-3, and a negative voltage is applied.
  • the 18-beam secondary electrons are hardly irradiated on the other phosphor layers adjacent to the illuminated phosphor layer, resulting in very light emission.
  • the control has improved.
  • W protective electrode 19-1, 19-2.19-3 aluminum is mainly used for the material, and normal vapor deposition electron beam is used. It was formed using a thin film manufacturing method such as vapor deposition or sputtering.
  • control electrodes 24 11 and 24-2 The electrical connection between the control electrodes 24 11 and 24-2 and the corresponding signal electrodes 20 11 and 20-2 was made by electric welding.
  • control electrodes 24, 1, 24-2 and the secondary electron concentrator 22 and the electrode 23 are made of a conductive material and any material having a certain level of mechanical strength. In this example, nickel was used.
  • the electron emitter 2 can be manufactured by various methods such as vapor deposition, sputtering, plating, CV D ', plasma spraying, etc. It is formed by combining firing and the like. One or more fine wires or foils may be used.
  • the electron emitter 2 may be installed on the insulating base 3 and then processed to a predetermined size, or may be installed after the force [1]. , Laser processing, chemical or electrochemical polishing, or a combination of these—photolithographic processing.
  • the current flowing through the electron emitter 2 depends on the material constituting the electron emitter 2, but is perpendicular to the direction in which the current passes.
  • - 1 o - electrons release in pairs in the cross-section of ⁇ body 2, lines Tsu energization in the range of 1 0 4 ⁇ 1 0 9 ⁇ ⁇ cm.
  • Phosphors constituting the phosphor layers 8-1, 8-2, 8-3 can be used as a luminescence center or a luminescence activating material for zinc sulfide-based materials and other chalcogenide compounds. Phosphors for application of high voltage, such as those with diffused impurities and rare earths, were used.
  • the filler includes a polymer compound or a semi-molecular compound represented by a polyimid type, a polyimidide type, or a polyphenylene sulfide type. Conductive or conductive polymer compounds were used. Alkoxide compounds containing indium or tin may be used, or metal alkoxide compounds that become transparent or translucent when fired. May be used.
  • the polymer compound dissolved or dispersed in the solvent, the low-molecular compound in the stage before being polymerized, and the phosphor particles are used. After mixing and stirring to adjust to an appropriate viscosity, printing was performed, followed by drying or baking to form phosphor layers 8-1, 8-2, and 8-3.
  • the same operation was performed to form the phosphor layers 8-1, 8-2, and 8-3.
  • the above-mentioned polymer compound or metal alkoxide compound is subjected to electrophoresis, plating, or other electrochemical methods together with the phosphor particles in a solvent or an aqueous solution.
  • the phosphor layers 8-1, 8-2, and 8-3 may be formed.
  • the light transmitting plate 10 is formed of sapphire, magnesium oxide, titanium oxide, or a layer of such a material or diamond, and This was formed on the surface of a transparent material such as quartz glass.
  • the material of the insulating base 3, which is a means for installing the electron emitters 2 may be any material having low thermal conductivity, heat resistance and electrical insulation.
  • silicon oxides such as quartz glass and quartz, glass borate acids-metal titanate cells such as barium titanate and lead titanate. Mix etc. was used.
  • the electron emitter 2 is a high melting point and high resistance material such as tungsten, tantalum, molybdenum, chromium, tantalum oxide, tantalum oxide, oxide An oxide such as a tantalum compound of silicon oxide was used. Also, it may be a graphite diamond or a conductive diamond containing impurities, and may be made of titanium carbide or silicon carbide, or at room temperature or high temperature. Other conductive ceramics that will be conductive at this time are also acceptable.
  • C is the secondary electron release Deso 1 4 formed by have use high has material of the secondary electron release out efficiency of such burrs ⁇ beam oxides or Se Shi c arm oxides
  • the substrate 1 was made of metal, glass, ceramics, or the like, which had a suitable thermal conductivity and a small gas permeability coefficient.
  • the materials used in the present invention are not limited to the above description, and are used in the embodiments of the present invention even if the respective components such as the substrate 1 and the insulating table 3 are localized. What is necessary is just a structure that satisfies a certain range.
  • the material of the insulating table 3 in the vicinity of the position where the electron emitters 2 are installed may be made of a material having a small thermal conductivity and having a size partially considering the thermal characteristics. Further, if there are a plurality of phosphor layers, another quantity may be provided.
  • Case 5 is made of a metal with good thermal conductivity and a low gas permeability coefficient, or a sealing material 6 using ceramics such as aluminum or glass.
  • a low-melting-point glass / low-melting-point alloy was used to seal a low-melting-point glass / low-melting-point alloy and heating and melting in the range of 130 ° C to 900 ° C.
  • a gas adsorbent is installed in the vacuum space consisting of case 5 and substrate 1 and external The gas remaining in the vacuum space was heated by cooling by heating with electric heating or laser irradiation, and cooling.
  • metal, ceramics, or glass having a small gas permeability coefficient was used for the substrate 1.
  • a phosphor for applying a high voltage such as a zinc sulfide-based phosphor or a rare earth-based phosphor, was used as the phosphor.
  • a high voltage such as a zinc sulfide-based phosphor or a rare earth-based phosphor.
  • the electron emitter 2 is not closely mounted on the insulating base 3, but is provided at a predetermined interval and supported by a plurality of parts. The influence of the thermal expansion force and heat absorption was reduced, and more stable light irradiation could be performed than previously described.
  • control power supplies 32-1, 32-2, 32-3 and three signal electrodes 20-corresponding to them are provided.
  • control power supplies 32-1, 32, 12 and 32-3 have their outputs at the same potential as the transparent electrode 9.
  • control electrodes 19 a-1, 19 a-2, 19 a-3 are connected to the control electrodes 19 a-1, 19 a-2, 19 a-3, respectively.
  • These control electrodes also serve as the antistatic electrodes 19-1, 19-2, 1913 shown in FIG.
  • the polarity of the control electrodes 19 a — 1, 19 a — 2, and 19 a — 3 is emitted electronically.
  • the cathode 2 is made to have the same polarity as that of the body 2 and the magnitudes of these voltages are changed, the luminous intensity sharply decreases at a specific voltage.
  • control electrodes 19 a-1, 19 a-2, and 19 a-3 are sequentially or individually combined.
  • the light emission can be controlled simply by changing them at the same time.
  • control electrodes 19a-1 and 19a-2 and 19a-3 aluminum was mainly used as the material, and normal evaporation or electron beam evaporation was used. Was formed using a thin film manufacturing method such as a sparing ring.
  • control electrodes 19 a — 1, 19 a — 2, 19 a — 3 and the corresponding signal electrodes 20 — 1, 20 — 2, 20 ⁇ 3 was done using the wire bonding method.
  • the second embodiment eliminates the need for the secondary electron aperture 22 and the control electrodes 24-1 and 24-2 in the first embodiment. Since the components and their operations are the same as those described in the first embodiment, the description will be omitted.
  • each of the external extractions 17-1, 17-2, and 17-3 is the optical axis 25 1 of each of the light condensing members 24 1, 24 2, 24 3, Since 25 2 and 25 3 are tilted so as to be concentrated at the target portion, appropriate light is condensed and the light is radiated to the target portion.
  • the optical axes 251, 252, and 253 determine the inclination according to the processing of the irradiated part and the light irradiation device and the irradiation range.
  • the light-collecting area is extremely small.
  • the mounting dimensional tolerance of the light irradiation device may be large. Very easy to assemble.
  • Acrylic plastic a glass with a low refractive index, was used for the light condensing members 241, 242, and 243.
  • the light transmitting plate 10 and the light condensing members 241, 242, 243 may be integrated.
  • a reflector 230 was provided in an insulating layer 21 between the phosphor layers 8-1, 8-2, and 8-3. As a result, the power source luminescence emitted from each of the phosphor layers 8-1, 1, 8-2, and 8-3 is reflected and is adjacent to each other. Since it does not penetrate into other light emitting layers, mixed color light emission did not occur and external light emitting efficiency was improved.
  • the reflector 230 was made of aluminum or gold in this embodiment. If a material having a high light reflectance on the surface in contact with the phosphor layers 8-1, 8-2, 8-3 is used for the insulating layer 21, the reflector 230 is used.
  • the insulating layer 21 can also serve as a dual purpose.
  • the components and operations thereof other than those described above are the same as those described in the first and third embodiments. Therefore, the explanation is omitted. According to the above-described embodiment, the emitted thermoelectrons are focused on a fine electron beam, and this is sequentially irradiated on a plurality of phosphors.
  • a thin-film electrode is provided integrally with each of the plurality of phosphors, and the polarity of these electrodes is sequentially switched to convert the emitted thermoelectrons into a desired phosphor. To be turned on.
  • the light emitted from the phosphor by the light condensing means is condensed on a desired irradiated portion.
  • a reflective member is provided between a plurality of phosphors to prevent light emitted from each phosphor from entering other phosphors.
  • a plurality of phosphor layers each having a different emission wavelength are installed in the same device, and an erect modulation voltage is applied to each of the plurality of control electrodes to control the electron.
  • an erect modulation voltage is applied to each of the plurality of control electrodes to control the electron.
  • the wavelength of light emitted from each phosphor layer is changed, and voltage is applied to a plurality of control electrodes to irradiate the corresponding phosphor layers.
  • the amount of secondary electrons generated can be changed, and light of multiple wavelengths can be freely emitted with a single light irradiation device. Can be irradiated.
  • the light emitted from each of the plurality of phosphor layers was appropriately focused independently and radiated so as to be focused on a target portion. For example, even when irradiated with polychromatic light, good bright light irradiation can be performed without causing color shift.
  • the light irradiation device since the focusing area is not extremely narrow and the amount of scattered light is reduced, the light irradiation device must be installed when used in an optical reading device. It is very easy to assemble because the dimensional tolerance can be set large.
  • the light emitted from each of the plurality of phosphor layers does not excite the other phosphor layers adjacent to the phosphor layer, only the phosphor layer irradiated with electrons is emitted. These luminescence can be obtained. Then, the photoluminescence light from the phosphor layer that is not irradiated with electrons is mixed, and it is not strong that the color mixture is generated.
  • the wavelength of light emitted from each phosphor layer is changed, and a voltage is applied to a plurality of control electrodes to irradiate the corresponding phosphor layers.
  • a single light irradiation device can freely adjust light of multiple wavelengths without unnecessary color mixing to emit light. Light of various emission colors can be obtained stably.

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  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

Dispositif projecteur de lumière dans lequel un ensemble d'émissions de lumière peuvent être commandées de manière simple dans une seule unité. Dans ce dispositif, un matériau émetteur d'électrons (2), qui est recouvert d'une couche (14) émettant des électrons secondaires, est formé sur une base (1) par l'intermédiaire d'une base isolante (3). Dans des positions opposées à celle du matériau émetteur d'électrons (2) se trouvent des couches de matériau fluorescent (8-1, 8-2, 8-3), sur lesquelles tombe respectivemet un faisceau d'électrons secondaires (18) émis par la couche (14) émettant des électrons secondaires.
PCT/JP1992/000223 1991-03-01 1992-02-28 Dispositif projecteur de lumiere Ceased WO1992016012A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP3/36055 1991-03-01
JP3605591 1991-03-01
JP3/43091 1991-03-08
JP3/43089 1991-03-08
JP4309091 1991-03-08
JP4309191 1991-03-08
JP4308991 1991-03-08
JP3/43090 1991-03-08

Publications (1)

Publication Number Publication Date
WO1992016012A1 true WO1992016012A1 (fr) 1992-09-17

Family

ID=27460197

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1992/000223 Ceased WO1992016012A1 (fr) 1991-03-01 1992-02-28 Dispositif projecteur de lumiere

Country Status (2)

Country Link
EP (1) EP0527240A4 (fr)
WO (1) WO1992016012A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3252545B2 (ja) * 1993-07-21 2002-02-04 ソニー株式会社 電界放出型カソードを用いたフラットディスプレイ
US5773927A (en) * 1995-08-30 1998-06-30 Micron Display Technology, Inc. Field emission display device with focusing electrodes at the anode and method for constructing same
FR2762927A1 (fr) * 1997-04-30 1998-11-06 Pixtech Sa Anode d'ecran plat de visualisation
US6326725B1 (en) 1998-05-26 2001-12-04 Micron Technology, Inc. Focusing electrode for field emission displays and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017851A (ja) * 1983-07-08 1985-01-29 Mitsubishi Electric Corp 光源用陰極線管
JPS60100360A (ja) * 1983-08-05 1985-06-04 イングリツシユ　エレクトリツク　バルブ　コムパニ−　リミテツド 表示装置
JPS60100361A (ja) * 1983-08-05 1985-06-04 イングリツシユ　エレクトリツク　バルブ　コムパニ−　リミテツド 表示装置
JPH01239757A (ja) * 1988-03-22 1989-09-25 Mitsubishi Electric Corp 光源用表示管

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200654A (ja) * 1985-02-28 1986-09-05 Futaba Corp 螢光表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6017851A (ja) * 1983-07-08 1985-01-29 Mitsubishi Electric Corp 光源用陰極線管
JPS60100360A (ja) * 1983-08-05 1985-06-04 イングリツシユ　エレクトリツク　バルブ　コムパニ−　リミテツド 表示装置
JPS60100361A (ja) * 1983-08-05 1985-06-04 イングリツシユ　エレクトリツク　バルブ　コムパニ−　リミテツド 表示装置
JPH01239757A (ja) * 1988-03-22 1989-09-25 Mitsubishi Electric Corp 光源用表示管

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0527240A4 *

Also Published As

Publication number Publication date
EP0527240A4 (en) 1993-09-22
EP0527240A1 (fr) 1993-02-17

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