WO2005122646A1 - 線状発光体、線状発光装置及び線状発光体の製造方法 - Google Patents
線状発光体、線状発光装置及び線状発光体の製造方法 Download PDFInfo
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- WO2005122646A1 WO2005122646A1 PCT/JP2005/010615 JP2005010615W WO2005122646A1 WO 2005122646 A1 WO2005122646 A1 WO 2005122646A1 JP 2005010615 W JP2005010615 W JP 2005010615W WO 2005122646 A1 WO2005122646 A1 WO 2005122646A1
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- linear
- electrode layer
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/182—OLED comprising a fiber structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/841—Applying alternating current [AC] during manufacturing or treatment
Definitions
- Linear light-emitting body linear light-emitting device, and method of manufacturing linear light-emitting body
- the present invention relates to a linear luminous body using an organic luminous layer, a linear luminous device, and a method for producing a linear luminous body.
- Incandescent lamps, fluorescent lamps, and the like which are the mainstream of lighting devices, are technologies that have been established for a long time.
- the former is a type of low-pressure discharge lamp in which mercury vapor is sealed, and the phosphor emits visible light by the ultraviolet spectrum of mercury excited by electrons.
- arc lamps, high-pressure mercury lamps, and the like for industrial use, but all are incandescent lamps and fluorescent lamps, and are limited in shape and size. It is mainly used for white light emission.
- inorganic EL has been known as a thin-film light emitter for a relatively long time, and practical use has been made on backlights of liquid crystals, lighting devices formed on thick fibers, and the like.
- Fluorescent lamps have the highest efficiency among existing lighting devices. For example 20W white efficiency in fluorescent lamps used for general lighting are 40 ⁇ 601m / W, the luminance and 0.53cd / cm 2, an empty value close compared to the luminance 0. 8 cd / cm 2 of the sunshine color rendering It can be controlled, and it can be said that it is a light source that is quite close to ideal.
- cold cathode tubes have achieved extremely high brightness with thin tubes, and are widely used as LCD backlights.
- fluorescent lamps are inherently surface-emitting, and in recent years there are several shapes such as neoball and U-line, which have the shape of a discharge tube. The constraints are great.
- the tube diameter When used as a backlight for liquid crystal display devices, the tube diameter is limited to 1.4 mm in inner diameter (1.8 mm in outer diameter), and as the screen becomes larger, the tube diameter increases, so the energy consumption, thickness, and weight also increase. In addition, although the amount of mercury contained in a fluorescent lamp tube is very small, it has a negative impact on the environment as a whole.
- incandescent lamps emit light at a low rate due to low energy use efficiency of light emission.
- a gas-filled 100W single coil tungsten bulb has an efficiency of 141m / W and a maximum brightness of 652cd / cm 2 and close to the bright spot. Therefore, various types of projection lighting can be used as point light sources, but they generate a large amount of heat.
- the current lighting system uses a surface-emitting fluorescent lamp and a point-light source incandescent lamp according to the intended use, but these mainstream lighting bodies do not always have ideal product characteristics. That is, as described above, the current major lighting devices are greatly restricted in shape and design because of the vacuum tube.
- organic EL has recently emerged, and its performance has been dramatically improved, and its application to displays is being actively promoted. Along with this, expectations for a thin and flexible surface light emitting device are increasing. In the case of organic EL, there are many advantages, such as the ease of dimming that can be achieved only by such a shape and the complete solution to the problem of mercury in fluorescent lamps. At present, of course, the efficiency, color rendering, brightness, lifespan, price, etc. of fluorescent lamps all fall short. However, with regard to efficiency, the possibility of higher efficiency than fluorescent lamps has emerged in principle due to the use of chemical doping and the use of triplet excitation, and the color rendering properties can exceed that of fluorescent materials by doping.
- an essential problem in applying the organic EL to a light emitting / illuminating device is a manufacturing technique using a glass substrate.
- Fig. 1 shows the general layer structure of an organic EL light emitting device.
- reference numeral 1 denotes a transparent substrate made of glass or the like, on which an ITO film 2, which is an anode electrode, an organic light emitting multilayer film 3, and a cathode electrode 4 are laminated.
- Light emission due to energization is also on the substrate 1 side, and is usually referred to as the “bottom emission” type. It is.
- the organic light-emitting multilayer film 3 a structure such as a buffer layer 3-1, a hole transport layer 3-2, a light-emitting layer 3-3, an electron transport layer 3-4, and a buffer layer 3-5 is often used. Force There are many types of polymeric materials, such as two layers.
- FIG. 1 (b) is an inverted version of FIG. 1 (a), which is called a "front emission” type, and emits light from the side opposite to the substrate.
- coating is a basic process in a polymer system and vapor deposition is a basic process in a low molecular system.
- vapor deposition is a basic process in a low molecular system.
- a manufacturing mode in which a shape and size suitable for these designs are cut out from a large substrate.
- the cost reduction is essentially the same as the current flat display manufacturing method, such as the enlargement of the substrate size and the size of the device.
- it is essential to control the film composition, film thickness, etc. of an organic luminescent material having good performance with nanometer precision, and it is extremely difficult to realize this at a low cost with a manufacturing technology of a large-area substrate.
- Japanese Patent Application Publication No. 2002-538502 discloses that an organic light emitting layer is formed on one surface of a glass fiber, a conductive film serving as a bus line is formed on one surface orthogonal to the glass fiber, and a driver IC for driving is arranged on the back surface.
- the technology to be implemented is disclosed.
- Patent Document 1 Japanese Patent Publication No. 2002-538502
- an object of the present invention is to provide a linear light-emitting device having an excellent design latitude and a linear light-emitting device including the linear light-emitting device as an illumination device in which an organic light-emitting layer is formed on a linear material such as a fiber. Is to get.
- Still another object of the present invention is to provide a method for manufacturing a linear illuminant whose manufacturing apparatus is much smaller than a flat light emitting device.
- the present invention provides a linear body made of a transparent material, a first electrode layer made of a transparent conductive material formed around the linear body, and a part of the surface of the first electrode layer.
- An object of the present invention is to provide a linear light-emitting body including at least the formed organic light-emitting layer and a second electrode layer formed on the organic light-emitting layer.
- the present invention relates to a linear body made of a conductive material (including a conductive body coated around a non-conductive material), and a first electrode layer made of a conductive material formed around the linear body.
- a linear light emission including at least an organic light emitting layer formed on a part of the surface of the first electrode layer and a second electrode layer formed of a transparent conductive material formed on the organic light emitting layer. It provides the body.
- the present invention provides a first terminal formed at one end of a linear body and electrically connected to a first electrode layer, and a first terminal formed at the other end of the linear body and electrically connected to a second electrode layer.
- the present invention provides a linear luminous body further including a second terminal.
- the present invention provides the above-described linear light-emitting device in which one or more linear light-emitting bodies are hermetically sealed inside a linear body made of a transparent hollow material.
- the present invention provides a linear body made of a transparent hollow material, a first electrode layer made of a transparent conductive material formed on an inner surface of the linear body, and a surface of the first electrode layer.
- An object of the present invention is to provide a linear light-emitting body including at least an organic light-emitting layer formed partially and a second electrode layer formed on the organic light-emitting layer.
- the present invention provides a first terminal formed at one end of a linear body and electrically connected to a first electrode layer, and a first terminal formed at the other end of the linear body and electrically connected to a second electrode layer.
- the present invention provides a linear luminous body further including a second terminal.
- the present invention provides the above-described linear light-emitting device in which one or more linear light-emitting bodies are connected.
- the present invention provides a linear light-emitting device in which a linear light-emitting body is made to emit white light and a color filter film is formed on an outer surface or an inner surface of the linear body made of a transparent hollow material that seals the white light-emitting body. Is what you do.
- the present invention provides a linear light-emitting device in which light emitted from a linear light-emitting body is used as excitation light, and a phosphor film is formed on an outer surface or an inner surface of the linear body made of a transparent hollow material that seals the excitation light. It is.
- the present invention provides a linear body made of a transparent material, a first electrode layer made of a transparent conductive material formed around the linear body, and one surface of the first electrode layer.
- a method for producing a linear light-emitting body including at least an organic light-emitting layer formed in a portion and a second electrode layer formed on the organic light-emitting layer, a plurality of linear bodies made of a transparent material are prepared.
- An object of the present invention is to provide a method for manufacturing a linear luminous body including a step of sequentially forming a second electrode layer.
- the present invention provides a linear body made of a conductive material, a first electrode layer made of a conductive material formed around the linear body, and a surface of the first electrode layer.
- a linear body made of a transparent material is provided in a method for manufacturing a linear luminous body including at least an organic luminescent layer formed partially and a second electrode layer made of a transparent conductive material formed on the organic luminescent layer.
- An object of the present invention is to provide a method for producing a linear luminous body, which comprises a step of sequentially forming an organic luminescent layer and a second electrode layer made of a transparent conductive material.
- the present invention provides a linear body made of a transparent material, a first electrode layer made of a transparent conductive material formed around the linear body, and one surface of the first electrode layer.
- a plurality of linear bodies having a transparent material strength are prepared.
- An object of the present invention is to provide a method for producing a linear luminous body, which comprises a step of sequentially forming an organic light emitting layer and a second electrode layer.
- the present invention provides a linear body made of a conductive material, and a conductive material formed around the linear body.
- a first electrode layer made of a raw material, an organic light emitting layer formed on a part of the surface of the first electrode layer, and a second electrode made of a transparent conductive material formed on the organic light emitting layer
- the present invention provides a linear body made of a transparent hollow material, a first electrode layer made of a transparent conductive material formed on an inner surface of the linear body, and a first electrode layer made of a transparent conductive material.
- a method for manufacturing a linear light-emitting body including at least an organic light-emitting layer formed on a part of the surface and a second electrode layer formed on the organic light-emitting layer
- a method for manufacturing a linear light-emitting material having a hollow hollow Exhaust and exhaust the constituent material from the other end of the hollow part, and sequentially form a first electrode layer, an organic light emitting layer, and a second electrode layer made of a transparent conductive material on the inner surface of the hollow linear body. It is intended to provide a method for producing a linear luminous body.
- the present invention provides a method for holding a plurality of linear bodies made of a transparent hollow material in parallel by holding portions for holding both ends thereof, and forcibly exhausting one end of the hollow portion of the linear body having a transparent hollow material strength. It is another object of the present invention to provide a method for producing a linear light emitter, in which a constituent material necessary for forming a linear light emitter is introduced from the other end of the hollow portion.
- Light can be emitted around a linear body such as a fiber, and the size can be freely selected. Further, the bundle can be arbitrarily bundled or arranged in a plane, so that the design is free. A lighting device with high degree can be provided.
- the manufacturing device of the linear luminous body is much smaller than a flat plate.
- FIG. 1 is a diagram showing a principle structure of an organic EL light emitting body.
- (A) is the bottom emission type, and (b) is the front emission type.
- FIG. 2 is a diagram showing a cross section of a structure of a linear light emitter corresponding to three types of fibers.
- (a) corresponds to a transparent solid fiber
- (b) corresponds to an opaque solid fiber including a conductor
- (c) corresponds to Compatible with hollow fibers.
- a diagram showing terminal portions and external connection terminals in a linear light-emitting body corresponds to a transparent solid fiber, (b) corresponds to an opaque solid fiber including a conductor, (c) corresponds to a hollow fiber, and (d) corresponds to a terminal corresponding to a solid fiber. Connection, (e) is the terminal corresponding to the hollow fiber and its connection.
- FIG. 1 A diagram showing a method of protecting a linear light-emitting body by a hollow fiber.
- (A), (b) 1 present, respectively, when a plurality of, (c) if a hollow fiber cross-section is elliptical.
- [6] A diagram showing connection between a linear light emitting device and a control circuit and a circuit example. (a) A diagram showing the connection between the linear light emitting device and the control circuit, and (b) a diagram showing an example of the control circuit.
- ⁇ 7 ⁇ is a view showing a step of manufacturing the linear light-emitting body of FIG. 2 (a).
- (A) is a process diagram in a configuration without a bank layer
- (b) is a diagram showing a configuration with a bank layer.
- ⁇ 8] is a view showing a step of manufacturing the linear light-emitting body of FIG. 2 (b).
- (A) is a process diagram in a configuration without a reinforcing electrode
- (b) is a diagram showing a configuration with a reinforcing electrode.
- FIG. 9 is a view showing a manufacturing process of the linear light-emitting body of FIG. 2 (c).
- A) is a process diagram in a configuration without an ITO reinforcing electrode
- (b) is a diagram showing an ITO electrode having a reinforcing electrode.
- ⁇ 10 Diagram showing the method of fiber cutting, segmenting and arraying, and the basic configuration of the device.
- (a) is a diagram showing the principle of the overall configuration of the device
- (b) is an operation diagram of holding the fiber end
- (c) is a diagram showing a specific example of the operation of the holding portion of the fiber end
- (d) a fiber The figure which shows the cross section of the array of FIG.
- FIG. 11 is a diagram showing an example of a “cylindrical substrate”.
- A shows the case where the holding groove is formed on the entire surface of the cylindrical surface,
- B the case where the holding groove is formed only at both ends of the cylindrical surface, and
- C the case of the wheel's axle shape.
- Diagram showing the principle of transferring the fiber to the cylindrical substrate with the planar array force of the fiber in (d)
- FIG. 13 is a view showing the principle of a suction jig at the end of a fiber used for transferring a fiber mounted on a cylindrical substrate to another cylindrical substrate.
- (A) is an overall configuration
- (b) is a diagram showing one adsorption unit. ⁇ 14] Shows the state of transferring fiber between cylindrical substrates using a fiber end suction jig FIG.
- FIG. 15 is a diagram showing an example of a method for holding a fiber arranged on a cylindrical substrate.
- FIG. 16 A cylindrical substrate in which fibers are held by grooves cut on the inner surface of a ring.
- FIG. 17 is a view showing the principle of a wet process and an apparatus for a cylindrical substrate. (A) A method in which the cylindrical substrate is placed horizontally, and (b) A method in which the cylindrical substrate is placed vertically.
- FIG. 18 is a view showing the principle of a film forming and coating process and an apparatus for a cylindrical substrate.
- A is a diagram showing the principle of the method of vapor phase growth
- (b) is a diagram showing the principle of application of a resist or the like
- (c) is a diagram showing the principle of film formation using a linear beam or the like.
- FIG. 19 is a diagram showing a method of holding and fixing both ends of a fiber with a chain (chain substrate).
- FIG. 20 is a diagram showing an example of a process and an apparatus using a chain substrate.
- A Principle diagram of the etching process by roller feed
- FIG. 21 is a view showing the principle of film formation on the inner wall of a hollow fiber.
- A Diagram showing the principle of film formation by evacuation, gas introduction, etc.
- b Diagram showing the principle of film formation by a linear deposition source.
- FIG. 22 is a view showing the principle of a method for simultaneously forming a large number of hollow fibers.
- the first is to form a light-emitting layer around the surface of a transparent fiber (linear body), and to form a protective film on the surface or a structure in which this is sealed inside a hollow glass or quartz fiber. And complete passivation.
- the layer structure of the light-emitting layer is such that the fiber surface is an ITO electrode and the light-emitting layer is formed, and the partial power of the side of the fiber also emits emitted light, which corresponds to a “bottom emission type” of a flat plate.
- the second is a structure in which a fiber or a metal wire (linear body) is used and the surface is a cathode and the outermost surface is ITO, which corresponds to a "front mission type" of a flat plate.
- passivation is performed with a force for forming a protective film on the surface or a structure in which this is sealed inside a hollow glass or quartz fiber.
- arbitrary luminescent colors including white can be obtained by inserting a plurality of linear luminous bodies of three primary colors into a hollow fiber. Further, by forming a color filter on the outer surface or the inner surface of the hollow fiber and making the emission color of the linear illuminant entering the inside white, an arbitrary emission color can be obtained. Similarly, a phosphor can be formed instead of a color filter, and an arbitrary luminescent color can be obtained by excitation by light emission of a linear illuminant to be inserted. Also, diffused light can be obtained by making the surface of the hollow fiber rough.
- the third is a linear luminous body in which a luminous layer is formed on the inner surface of a hollow fiber (linear body), which is structurally complete passivation.
- a structure greatly improves reliability
- the first method is to cut a fiber or metal wire of a material to a required length, and cut these into fibers. Arrange and fix along the axis of rotation on the surface of a uniaxial rotating body in which a cylinder, cylinder, or a plurality of disks or rings are arranged. Depending on the configuration, either a cylindrical mask is arranged on this ⁇ substrate '', or a ⁇ shirt '' which rotates independently and coaxially and a flat or cylindrical mask is arranged outside the uniaxial rotating body.
- This is a method of forming an organic light emitting layer by means such as various kinds of vapor deposition, various kinds of CVD, sputtering, spraying or the like.
- the second method is a so-called reel-to-reel method, which is suitable for fibers or metal wires.
- a so-called front emission type element structure is used in which the wire surface is the cathode and the outermost surface is ITO.
- a process such as forming an organic light emitting layer is performed between a first reel for unwinding the material fiber or the metal wire and a second reel for winding the same.
- a differential evacuation system is installed at the entrance and exit of the fiber or metal wire, and films are continuously formed on the running fiber or metal wire.
- the film is formed by means such as spraying or immersion in a liquid.
- the third method is a method suitable for a hollow fiber.
- the exhaust gas is introduced from one end of the cylindrical body, and the constituent material of the organic light emitting layer is introduced from the other end in a gas phase, a vapor phase, a liquid phase or the like, and is formed on the inner surface of the cylinder.
- hollow fibers are manufactured in various lengths suitable for handling, and terminals for conducting electricity to the anode and cathode are provided at both ends of the hollow fibers. Then, a linear light-emitting device having an arbitrary shape is realized by energization of a single unit, serial connection by a connector, and parallel connection.
- FIG. 2 (a) corresponds to the “bottom emission” type, in which a light emitting layer is formed around the surface of a transparent fiber 10 to constitute a linear light emitting body.
- the cross-sectional shape of the fiber may be square, rectangular, or elliptical in addition to the circular shape. Plus Any transparent material such as tic, glass, quartz or the like may be used.
- Fig. 2 (b) shows a “front-emission” type linear illuminant formed on the entire surface of a wire that can also be made of a conductive material or a conductive coated fin, such as a wire.
- FIG. 2 (c) shows a “bottom emission” type linear illuminant formed on the inner surface of the hollow transparent fiber 11.
- the passivation film 12 is applied to the surface of the linear luminous body in FIGS. 2A and 2B except for the terminal portions.
- the linear illuminator shown in Fig. 2 (c) has a structure that can achieve complete passivation by sealing both ends of the tube.
- metal film wiring 5 or 6 is applied locally or entirely along the axial direction to reduce the resistance of the ITO electrode or the resistance of the negative electrode.
- the organic light emitting layer uses a low molecular material.
- Anode The thickness of ITO is 100, the thickness of the anode buffer layer is copper phthalocyanine (Cu-Pc) of up to 20 nm, and the hole transport layer is N, N, -bis (3-methylphenyl) - ⁇ , ⁇ , -diphenyl.
- Cu-Pc copper phthalocyanine
- the hole transport layer is N, N, -bis (3-methylphenyl) - ⁇ , ⁇ , -diphenyl.
- TPD -Le- [1,1, -biphenyl] -4,4, -diamine
- TPD -Le- [1,1, -biphenyl] -4,4, -diamine
- a-NPD -bis (1-naphthyl) -1,1,- Biphenyl-4,4, -diamine
- Tris- (8-hydroxy-quinoline) -aluminum (Alq3) up to 40nm as electron transport layer and luminescent layer
- lF lnm as cathode
- A1 has a basic structure of 150 nm. Green emission remains in this basic structure.
- Blue is a hole
- the middle of the electron transport layer is bathocuproine (BCP) up to 20 nm
- the red is also the middle of Alq3 at 93% by weight 2,3,7,8,12,13,1 7,18-octadecyl -21! "[, 231" [-Platinum porphyrin (? 1: 05?) Doped with 6% by weight was used to form a film with a maximum thickness of 30 nm.
- FIG. 3 shows a structure of a terminal portion for supplying electricity to the linear light-emitting body.
- the reinforcing electrodes in FIG. 2 are omitted for the sake of convenience only.
- Fig. 3 (a) corresponds to an insulated wire, and is applied to Figs. 2 (a) and (b) of the above-mentioned element structure.
- Fig. 3 (b) is a case of a conductor wire, and a terminal part is attached to one end. An insulating film 7 is formed, and a positive This is a form that takes the terminal of ITO of the pole electrode.
- Fig. 3 (c) corresponds to the hollow fiber and is applied to the element structure of Fig. 2 (c). In each case, each terminal portion is formed at one end of the fiber so that the terminal portions of the anode 2 and the cathode 4 do not overlap.
- the connection between these terminals and the external wiring is made by conductor plugs 16, 17, 16 ', 17' having a cap structure as shown in FIGS.
- the stopper has various structures, such as a structure in which the head has a concave or female screw like 16, 17 or a convex V, like 16 ', 17', or a male screw. Can be taken.
- the above-mentioned linear luminous body is a monochromatic or white luminous force.
- a plurality of these luminous bodies By combining a plurality of these luminous bodies and controlling the supply voltage / current, an arbitrary hue and luminance can be obtained.
- Fig. 4 shows an example of a combination structure, in which fibers 21 to 24 ', which are linear light emitters, are inserted into a transparent glass or quartz hollow fino 20, 20', 20 "and sealed. With this configuration, complete passivation for moisture, oxygen, and the like is realized at the same time as controlling the hue.
- FIG. 4 (a) shows a state in which one fiber is inserted, and the main part is passivation.
- 4 (b) and 4 (c) a plurality of fibers 22 to 24 to 22 'to 24' which are linear light emitters having different diameters are inserted.
- the given hue and brightness can be controlled by the fiber diameter and the applied voltage and current.
- the fibers 22 to 24, which are a plurality of linear light emitters, are made of conductor terminals 25, 25 ′, 25 ′′ embedded in hermetic seals 27, 28 of a tube 20. Or 26, 26 ', 26 "to supply voltage and current from outside.
- FIG. 6 (a) shows a basic configuration when such a light emitter is used as a lighting device.
- Reference numeral 30 denotes a linear light-emitting body having a current-carrying terminal indicated by a hermetic seal as shown in FIG.
- the control board is basically a manual or external signal receiver that converts external signals (such as ultrasonic waves, light, etc.) into control signals.
- the control signal generator 32 in Figure 6 (a), a manual trimmer), an external power supply 34 force It consists of a conversion circuit 35 for generating appropriate voltage and current and a light emission control circuit 36 for the organic light emitting layer.
- the light emission control circuit 36 in FIG. 6B is an example.
- FIG. 7 shows a manufacturing process flow of the linear illuminant shown in FIG. 2 (a).
- an ITO film 2 is formed on the entire surface of the transparent solid fiber 10, or at least in the third and fourth quadrants of the cross section, and in step 2, a metal electrode 5 (hereinafter referred to as a reinforcing electrode) for lowering the resistance emits light. To the extent that it does not interfere with the emission of light, which also controls the directivity of the emitted light.
- the organic light emitting layer 3 is formed, in the step 4, the cathode electrode 4 is formed, and in the step 5, the protective film 12 is entirely covered except for the terminal portion, thereby completing the film forming step.
- FIG. 7 (b) shows a structure in which the bank layer 13 is formed after the step 2 and the cathode electrode 4 and the anode electrode 2 are completely separated.
- FIG. 8 shows a manufacturing process flow of the linear light-emitting body shown in FIG. 2 (b).
- film formation is performed in the reverse order to that of FIG. 7 (a).
- a cathode reinforcing electrode 6 is formed on the surface of a solid fiber 10 'including a conductor
- a cathode electrode 4 is formed
- an organic light emitting layer 3 is formed
- an ITO anode electrode 2 is formed.
- step 5 shows a structure in which the anode reinforcing electrode 5 ′ of ITO is formed after the step 4.
- the cathode reinforcing electrode 6 and the cathode electrode 4 are not necessarily required.
- FIG. 9 shows a manufacturing process flow of the linear light-emitting body shown in FIG. 2 (c).
- step 1 an ITO film 2 was formed on the entire inner surface of a transparent hollow fiber 11, in step 2, an organic light emitting layer 3 was formed, in step 3, a cathode electrode 4 was formed, and in step 4, Then, the formation of the anode reinforcing electrode 5 and the film formation process are completed.
- FIG. 9 (b) shows a structure in which an anode reinforcing electrode 5 'is formed on a part of the inner surface of the hollow fiber 11 before the ITO film formation, and the following steps 2 to 4 are performed as shown in FIG. 9 (a). The same is true.
- the cut fibers are arranged and handled on a cylindrical surface.
- the cylindrical jig for holding the fiber will be referred to as a “cylindrical holder”, and the one holding the fiber will be referred to as a “cylindrical substrate”. Therefore, there is a step of cutting (segmenting) the fiber and a step of slicing the fiber into a “cylindrical substrate” before the film forming step.
- the fiber is usually wound on a reel with a protective coating, and there are two ways to remove the coating: before the segmentation, or afterwards.
- FIG. 10 (a) shows the principle device configuration in the case of cutting after coating removal.
- the coated fiber 40 wound around the reel is pulled out, and the coating is removed in the coating removing section 41.
- several hundreds of resin protective films are used in the present technology.
- a material such as a resist which can be easily removed with a several film thickness, is used. Therefore, in the coating removing section 41, processes such as a resist removing material, washing and drying are performed.
- the fiber gripping terminal 43-1 linearly moved by the stage 42 grips the end of the unsegmented segmented fiber 40 'and pulls it out to a predetermined length.
- the gripping terminal 43-2 grips the other end, and the cutter holding terminal 44 'fixes the fiber, and the fiber is cut by the cutter 44.
- the cut fibers are arranged on the tray 45 one after another.
- FIG. 10 (b) shows the operation of the gripping terminal 43.
- 43-1 pulls out the fiber
- 43-2 pulls out the fiber.
- 43-1 and 43-2 are forces that reciprocate on the same straight line.
- the stage and the gripping terminal are configured as shown in Fig. 10 (c), and the terminal is displaced by rotation when returning.
- the tray 45 has a structure with grooves cut at a certain pitch as shown in Fig. 10 (d), and the fibers are held in these grooves.
- the fiber cylindrical holder is a kind of gear in which a groove for holding the fiber is cut along the circumference.
- a very general example is shown in Figure 11.
- 47 is a type with a gear cut on a cylindrical surface
- 48 is a gear with only both ends
- 49 is a type with gears only on both ends, which are connected by a thin shaft.
- V and deviation are also used and divided according to the method of film formation.
- the disk or cylindrical gear portion 50 is coated with an adhesive or an adhesive, or provided with a vacuum suction hole, and is moved from the tray 45 to the disk or cylindrical gear portion 50 in the same manner as a rack-and-pinion operation.
- the fiber 40 ' is transferred.
- the shaft portion 51 has a structure that can be separated along the shaft from the gear portion because the entire fiber is transferred to various cylindrical holders.
- FIG. 14 shows an example of transfer, in which the fiber 40 ′ on the cylindrical holder 47 ′ is moved in the axial direction of the holder by the suction ring 55 and is transferred to the holder 49 ′.
- Phino 40 ' is fixed by fixtures 60,61. These fixtures also function as end masks as described in FIG. Needless to say, the above-mentioned suction ring is also used for exchanging the fixture and mask.
- FIGS. 17 and 18 schematically show a process using a cylindrical substrate.
- FIG. 17 corresponds to a wet process such as cleaning, and shows a state in which tanks 71 and 71 ′ are filled with, for example, cleaning liquids 72 and 72 ′ and cylindrical substrates 70 and 70 ′ are immersed.
- (A) shows the case where the axis of the cylindrical substrate is horizontal, and (b) shows the case where the axis of the cylindrical substrate is vertical. In both cases, rotating around the axis improves uniformity.
- Fig. 18 corresponds to film formation, coating, and the like.
- A shows various types of cylindrical CVD devices, or a sputtering device in which targets are placed outside and inside a cylindrical substrate, and transport and introduction of film formation vapor. Indicates a film forming machine or the like.
- Reference numeral 81 denotes a vacuum chamber, and the cylindrical substrate 80 usually has a rotating mechanism.
- 82 indicates a film forming gas inlet and 83 indicates an exhaust port. It is drawn in a vertical type, but may be of course a horizontal type.
- (b) corresponds to the application of a resist, a high molecular weight organic light emitting material or the like, and 84 denotes a nozzle for supplying a coating liquid in a linear manner.
- (C) shows a film forming method such as vapor deposition in a vacuum.
- a line evaporation source 86 and the like are installed in a vacuum chamber 85, and the cylindrical substrate 80 rotates.
- FIG. 10 In addition to the cylindrical substrate, there is a method of fixing a segmented fiber to a chain as shown in FIG. That is, one segmented fiber 90 is held by the fixed terminal 92 in one unit 91 of the chain.
- Reference numeral 93 denotes a mask corresponding to the terminal portion, which is paired with the fixed terminal 92.
- the replacement of the fixed terminal and the mask can be performed by the straight fiber end suction jig through the cut fiber tray (45 in FIG. 10).
- the tray may be a semi-cylinder that matches the curvature of the chain.
- the arrangement of such fibers is the same as a kind of flexible planar substrate, and the same technology as that used for film formation on plastic thin films can be used at present.
- FIG. 20 schematically illustrates such an example.
- FIG. 20 (a) illustrates application, cleaning, wet etching, and the like.
- a segmented fiber array 95 fixed to a chain continuously passes through a wet tank 97 via rollers 96, 96 ', 96 ", etc.
- (b) shows vapor deposition, CVD, This corresponds to film formation in a film formation tank 99 such as sputtering, and a fiber array 95 is moved between the reels 98 and 98 'to form a film continuously.
- FIG. 21 (a) shows a method of forming a film of ITO thermal CVD, MOCVD, an organic light emitting layer, etc., in which a hollow fiber 100 is held by a fixing jig 101, exhausted from one end 103, and formed with a film forming gas from the other end 104. be introduced.
- Reference numeral 102 denotes a mask inserted into the tube, which realizes the structure at the end in FIG. 3 (c).
- the metal film or the like is formed by CVD using an organic metal in the above-described manner, but there is also a method in which a metal is immersed on the resistance heating wire 105 as shown in FIG.
- a temperature gradient is provided along the wall of the hollow tube or a wire heater is inserted into the tube to reduce the flow of steam and the adhesion rate to the tube wall. Methods such as control are also applied.
- a low molecular weight organic light emitting material is mainly used, but a high molecular weight organic light emitting material is particularly advantageous for hollow fibers.
- an ITO film was formed by thermal CVD, and an aqueous solution of polyethylene, dioxythiophene, polystyrene, and sulfonate (PEDT / PSS) was flowed into the fiber tube as a hole transport layer, dried, and dried to a thickness of 50 nm.
- a solution of a polyarylene-based or polyfluorene-based organic solvent was flowed in as a light-emitting layer, dried and formed into a 75-layer film, and the tube was heated to 80 ° C to form an organic metal material A1H. N (
- these films are formed simultaneously on a plurality of fibers, and the same arrangement as the above-described cylindrical substrate or chain substrate is employed.
- FIG. 22 shows an arrangement corresponding to a cylindrical substrate, in which hollow fibers are held by fixed holding boards 111 and 112. In the case of hollow fibers, it is not always necessary to arrange them along the circumference.
- the cross section of 111 is square and arranged over the entire surface.
- Such a fiber array may be included in the exhaust system, but FIG. 22 shows the configuration of local exhaust.
- 113 is a deposition gas
- the introduction head is provided with a gate valve 115 at the top and connected to the fixed gripping board 111.
- an exhaust head 114 is connected to a fixed gripping board 112, which is integrally moved on a stage and connected to a film forming gas inlet 116 and an exhaust port 117 set at predetermined positions, and each of the gate valves 115 is connected. Is opened and a film forming gas is introduced.
- an evaporation source is inserted in the case of the type shown in FIG. 21 (b).
- the present invention can be applied not only to a low-cost lighting device having a high performance, a long life, and a high design margin, but also to a display.
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Cited By (6)
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JP2006331854A (ja) * | 2005-05-26 | 2006-12-07 | Matsushita Electric Works Ltd | 照明装置 |
EP1801900A2 (en) * | 2005-12-23 | 2007-06-27 | Samsung Electronics Co., Ltd. | Organic light emitting diode, manufacturing method thereof, and organic light emitting diode display provided with the same |
WO2014083782A1 (ja) * | 2012-11-30 | 2014-06-05 | アピックヤマダ株式会社 | レジスト膜形成装置とその方法、導電膜形成および回路形成装置とその方法、電磁波シールド形成装置とその方法、短波長高透過率絶縁膜の成膜装置とその方法、蛍光体の成膜装置とその方法、微量材料合成装置とその方法、樹脂モールド装置、樹脂モールド方法、薄膜形成装置、有機el素子、バンプ形成装置とその方法、配線形成装置とその方法、および、配線構造体 |
JP2014157897A (ja) * | 2013-02-15 | 2014-08-28 | Apic Yamada Corp | レジスト膜形成装置とその方法、導電膜形成および回路形成装置とその方法、電磁波シールド形成装置とその方法、短波長高透過率絶縁膜の成膜装置とその方法、蛍光体の成膜装置とその方法、および、微量材料合成装置とその方法 |
CN106912137A (zh) * | 2015-12-22 | 2017-06-30 | 黄秀梅 | 新型节能光源系统 |
CN106912134A (zh) * | 2015-12-22 | 2017-06-30 | 黄秀梅 | 安全节能装饰照明系统 |
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WO2014083782A1 (ja) * | 2012-11-30 | 2014-06-05 | アピックヤマダ株式会社 | レジスト膜形成装置とその方法、導電膜形成および回路形成装置とその方法、電磁波シールド形成装置とその方法、短波長高透過率絶縁膜の成膜装置とその方法、蛍光体の成膜装置とその方法、微量材料合成装置とその方法、樹脂モールド装置、樹脂モールド方法、薄膜形成装置、有機el素子、バンプ形成装置とその方法、配線形成装置とその方法、および、配線構造体 |
US9831187B2 (en) | 2012-11-30 | 2017-11-28 | Apic Yamada Corporation | Apparatus and method for electrostatic spraying or electrostatic coating of a thin film |
JP2014157897A (ja) * | 2013-02-15 | 2014-08-28 | Apic Yamada Corp | レジスト膜形成装置とその方法、導電膜形成および回路形成装置とその方法、電磁波シールド形成装置とその方法、短波長高透過率絶縁膜の成膜装置とその方法、蛍光体の成膜装置とその方法、および、微量材料合成装置とその方法 |
CN106912137A (zh) * | 2015-12-22 | 2017-06-30 | 黄秀梅 | 新型节能光源系统 |
CN106912134A (zh) * | 2015-12-22 | 2017-06-30 | 黄秀梅 | 安全节能装饰照明系统 |
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