WO2017016327A1 - Dispositif de code dynamique à deux dimensions pour diode électroluminescente organique et son procédé de fabrication - Google Patents

Dispositif de code dynamique à deux dimensions pour diode électroluminescente organique et son procédé de fabrication Download PDF

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Publication number
WO2017016327A1
WO2017016327A1 PCT/CN2016/085178 CN2016085178W WO2017016327A1 WO 2017016327 A1 WO2017016327 A1 WO 2017016327A1 CN 2016085178 W CN2016085178 W CN 2016085178W WO 2017016327 A1 WO2017016327 A1 WO 2017016327A1
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WO
WIPO (PCT)
Prior art keywords
layer
anode
dimensional code
transport layer
solution method
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PCT/CN2016/085178
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English (en)
Chinese (zh)
Inventor
赵炜
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西安宝莱特光电科技有限公司
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Publication of WO2017016327A1 publication Critical patent/WO2017016327A1/fr

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    • 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
    • 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]
    • H10K50/17—Carrier injection layers
    • H10K50/171—Electron injection 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
    • 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
    • H10K71/10—Deposition of organic active material
    • H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
    • H10K71/164—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using vacuum deposition

Definitions

  • the present invention relates to the field of information technology, and in particular, to a method for fabricating an OLED dynamic two-dimensional code device and an OLED dynamic two-dimensional code device.
  • the two-dimensional code graphic is mainly presented in the manner of printing on the surface of the object (such as on the paper surface). Once the graphic is made, it is impossible to switch.
  • This form of the two-dimensional code static QR code static.
  • the two-dimensional code graphic is unchanged, contains a single information, and is easy to copy; however, the two-dimensional code graphic can also be displayed on the display screen, and the two-dimensional code graphic can be changed at this time, and the change manner can be random or according to a certain
  • the law of this form is called dynamic two-dimensional code, and the dynamic two-dimensional code is variable. Only the designer knows the change law, and the outsider can hardly imitate it.
  • the display screen that presents the dynamic two-dimensional code can be any display technology such as LCD, CRT, LED, OLED, and the like.
  • OLED Organic Light Emitting Diode
  • an object of the present invention is to provide an OLED dynamic two-dimensional code device and a method for fabricating an OLED dynamic two-dimensional code device.
  • the present invention is implemented by the following technical solutions.
  • An OLED dynamic two-dimensional code device comprises a display device, a control device and a power supply device; the display device comprises a substrate, an anode, an organic functional layer, a cathode and an encapsulation layer in order from bottom to top; the upper surface of the substrate is provided Having the anode, the anodes are arranged in a line-like lateral or longitudinal interval; the cathode is coated on the organic functional layer, the cathodes are arranged in a line-like longitudinal or lateral spacing; the encapsulating layer and the substrate edge Bonding closure; the power supply device is electrically connected to the control device; the anode and the cathode are electrically connected to the control device.
  • the organic functional layer covers the anode, and includes a hole injection layer, a hole transport layer, an organic light-emitting layer, an electron transport layer, and an electron injection layer in this order from bottom to top.
  • the organic functional layer covers the anode, and includes a hole injection layer, a hole transport layer, an organic light-emitting layer, and an electron transport layer in this order from bottom to top.
  • the organic functional layer covers the anode, and includes a hole transport layer, an organic light-emitting layer, an electron transport layer, and an electron injection layer in this order from bottom to top.
  • the organic functional layer covers the anode, and includes a hole transport layer, an organic light-emitting layer, and an electron transport layer in order from bottom to top.
  • a method for fabricating an OLED dynamic two-dimensional code device comprising the steps of: providing a substrate; the upper surface of the substrate is made of an anode; the upper surface of the anode is made of an organic functional layer; and the surface of the organic functional layer is made of a cathode; The encapsulation layer and the substrate are bonded together to complete the package; the anode and the cathode are electrically connected to the control device; and the power supply device is electrically connected to the control device, and the fabrication is completed.
  • the step of forming the anode is: firstly forming a conductive film on the substrate by a vacuum coating process, and etching the anode on the conductive film by an etching process.
  • the etching process may be laser dry etching or photoresist wet etching.
  • the step of forming the organic functional layer is: first, forming a hole injection layer on the upper surface of the anode by a vacuum coating process or a solution method; secondly, passing the surface of the hole injection layer through a vacuum coating process Or a solution method to form a hole transport layer; again, on the surface of the hole transport layer Forming an organic light-emitting layer by a vacuum coating process or a solution method; then, forming an electron transport layer on the upper surface of the organic light-emitting layer by a vacuum coating process or a solution method; finally, passing a vacuum coating process or a solution on the upper surface of the electron transport layer
  • the method is made into an electron injecting layer.
  • the step of forming the organic functional layer is: first, forming a hole injection layer on the upper surface of the anode by a vacuum coating process or a solution method; secondly, passing the surface of the hole injection layer through a vacuum coating process Or a solution method is used to form a hole transport layer; then, an organic light-emitting layer is formed on the upper surface of the hole transport layer by a vacuum plating process or a solution method; finally, the upper surface of the organic light-emitting layer is formed by a vacuum coating process or a solution method.
  • Electronic transport layer is: first, forming a hole injection layer on the upper surface of the anode by a vacuum coating process or a solution method; secondly, passing the surface of the hole injection layer through a vacuum coating process Or a solution method is used to form a hole transport layer; then, an organic light-emitting layer is formed on the upper surface of the hole transport layer by a vacuum plating process or a solution method; finally, the upper surface of the organic light-emitting layer is formed
  • the step of forming the organic functional layer is: first, forming a hole transport layer on the upper surface of the anode by a vacuum coating process or a solution method; secondly, passing the surface of the hole transport layer through a vacuum coating process Or a solution method to form an organic light-emitting layer; then, an electron transport layer is formed on the upper surface of the organic light-emitting layer by a vacuum coating process or a solution method; finally, an electron injection is performed on the upper surface of the electron transport layer by a vacuum deposition process or a solution method.
  • the step of forming the organic functional layer is: first, forming a hole transport layer on the upper surface of the anode by a vacuum coating process or a solution method; and then passing the vacuum coating process on the upper surface of the hole transport layer
  • the organic light-emitting layer is formed by a solution method; finally, an electron transport layer is formed on the upper surface of the organic light-emitting layer by a vacuum plating process or a solution method.
  • the step of forming the cathode is: directly forming a cathode on the upper surface of the organic functional layer by a vacuum coating process;
  • the step of forming the cathode is: firstly forming a conductive film on the upper surface of the organic functional layer by a vacuum coating process, and then engraving the cathode on the film by a laser etching process.
  • the invention has the beneficial effects that the OLED has a very excellent display performance, self-luminous, simple structure, ultra-thin, fast response, wide viewing angle, low power consumption and flexible display, and the OLED is applied to the dynamic two-dimensional In the code, not only can the display effect of the two-dimensional code graphic be improved, but also the shape diversity of the two-dimensional code device can be increased, and the two-dimensional code graphic can be displayed in a dynamic manner, and the pattern change law is unknown to outsiders and cannot be copied. Or misappropriation, items with dynamic QR code can be used for one thing and one code, suitable for application in anti-counterfeiting and Internet of Things, effectively enhancing security; and the method of the present invention is simple. Single, low cost, can be mass-produced on a large scale.
  • FIG. 1 is a top plan view of a display device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a display device according to an embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of a method for fabricating a display device according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of the working principle of the embodiment of the present invention.
  • display device 1 control device 2; power supply device 3; substrate 11; anode 12; organic functional layer 13; hole injection layer 131; hole transport layer 132; organic light-emitting layer 133; electron transport layer 134; Layer 135; cathode 14; encapsulation layer 15; pixel point 16.
  • an OLED dynamic two-dimensional code device includes a display device 1, a control device 2, and a power supply device 3, and the power supply device 3 is electrically connected to the control device 2, the anode Both the 12 and the cathode 14 are electrically connected to the control device 2.
  • the display device 1 includes, in order from bottom to top, a substrate 11, an anode 12, an organic functional layer 13, a cathode 14, and an encapsulation layer 15; the anode 12 is disposed on the upper surface of the substrate 11, and the anode 12 is Lines are arranged horizontally or vertically.
  • the organic functional layer 13 covers the anode 12, and the organic functional layer 13 has four structures.
  • the first structure includes a hole injection layer 131, a hole transport layer 132, and an organic light-emitting layer in this order from bottom to top. 133, electron transport layer 134, electron injection layer 135; second structure, including a hole injection layer 131, a hole transport layer 132, an organic light-emitting layer 133, an electron transport layer 134 from bottom to top;
  • the bottom layer includes a hole transport layer 132, an organic light-emitting layer 133, an electron transport layer 134, and an electron injection layer 135.
  • the fourth structure includes a hole transport layer 132 and an organic light-emitting layer from bottom to top. Layer 133, electron transport layer 134.
  • the cathode 14 is covered on the organic functional layer 13, and the cathodes 14 are arranged in a line-like longitudinal or lateral interval; the encapsulation layer 15 is bonded and closed to the edge of the substrate 11.
  • the power supply unit 3 is electrically connected to the control unit 2 for supplying power thereto.
  • the control device 2 electrically connects the anode 12 and the cathode 14 and controls the display content of the display device 1; the control device 2 stores preset content that changes according to a certain rule, and the preset content can be produced at the time of production. Written by the manufacturer, or written by the publisher through the card reader at the time of release.
  • the present invention also provides a method for fabricating an OLED dynamic two-dimensional code device, and the specific steps are as follows:
  • Step S100 providing a substrate 11;
  • Step S200 forming an anode 12 on the upper surface of the substrate 11;
  • the specific steps of forming the anode 12 are as follows: first, a conductive film is formed on the substrate 11 by a vacuum coating process; secondly, the anode 12 is etched on the conductive film by an etching process; The etching process may be laser dry etching or photoresist wet etching.
  • Step S300 forming an organic functional layer 13 on the upper surface of the anode 12;
  • the specific steps of forming the organic functional layer 13 are in four ways:
  • the hole injection layer 131 is formed on the upper surface of the anode 12 by a vacuum plating process or a solution method; secondly, a hole is formed on the upper surface of the hole injection layer 131 by a vacuum plating process or a solution method.
  • a transport layer 132 again, an organic light-emitting layer 133 is formed on the upper surface of the hole transport layer 132 by a vacuum plating process or a solution method; then, an electron transport is performed on the upper surface of the organic light-emitting layer 133 by a vacuum deposition process or a solution method.
  • Layer 134 Finally, an electron injecting layer 135 is formed on the upper surface of the electron transporting layer 134 by a vacuum plating process or a solution method.
  • the upper surface of the anode 12 is subjected to a vacuum coating process or a solution method.
  • a hole injection layer 131 is formed.
  • a hole transport layer 132 is formed on the upper surface of the hole injection layer 131 by a vacuum plating process or a solution method; then, a surface of the hole transport layer 132 is subjected to a vacuum plating process.
  • the organic light-emitting layer 133 is formed by a solution method; finally, the electron transport layer 134 is formed on the upper surface of the organic light-emitting layer 133 by a vacuum plating process or a solution method.
  • a hole transport layer 132 is formed on the upper surface of the anode 12 by a vacuum plating process or a solution method; secondly, an organic light is formed on the upper surface of the hole transport layer 132 by a vacuum plating process or a solution method. a layer 133; then, an electron transport layer 134 is formed on the upper surface of the organic light-emitting layer 133 by a vacuum plating process or a solution method; finally, an electron injection layer 135 is formed on the upper surface of the electron transport layer 134 by a vacuum plating process or a solution method. .
  • a hole transport layer 132 is formed on the upper surface of the anode 12 by a vacuum plating process or a solution method; then, an organic light is formed on the upper surface of the hole transport layer 132 by a vacuum plating process or a solution method.
  • Step S400 forming a cathode 14 on the upper surface of the organic functional layer 13;
  • the specific steps of forming the cathode 14 are two ways: in the first manner, the cathode 14 is directly formed on the upper surface of the organic functional layer 13 by a vacuum coating process; in another manner, the organic functional layer 13 is first applied through a vacuum coating process.
  • the upper surface is made of a conductive film, and the cathode 14 is engraved on the conductive film by a laser etching process.
  • Step S500 bonding the encapsulation layer 15 and the substrate 11 to complete packaging
  • Step S600 electrically connecting the anode 12 and the cathode 14 to the control device 2;
  • Step S700 The power supply device 3 and the control device 2 are electrically connected, and the production is completed.
  • the power supply device 3 supplies power to the control device 2, and the control device 2 controls the display device 1 according to preset contents; the cathode 14 of the display device 1 projects a coincident position on each line of the anode 12.
  • the layer 13 and the cathode 14 constitute an LED structure, which is turned on or off under the control of the control device 2 to form a two-dimensional code pattern; when the control device 2 controls all the pixel points 16 to change according to the preset content, the two-dimensional code pattern Changes occur to achieve dynamic QR code changes.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

La présente invention concerne un dispositif de code dynamique à deux dimensions pour une DELO et son procédé de fabrication. Le dispositif de code dynamique à deux dimensions pour une DELO comprend un dispositif d'affichage (1), un dispositif de commande (2), et un dispositif d'alimentation (3). Le dispositif d'affichage (1) comprend un substrat (11), des anodes (12), une couche fonctionnelle organique (13), des cathodes (14), et une couche (15) de mise sous boîtier. Les anodes (12) sont disposées sur le substrat (11), les anodes (12) étant agencées transversalement ou longitudinalement à intervalles et en ligne. Les cathodes (14) recouvrent la couche fonctionnelle organique (13), les cathodes (14) étant agencées longitudinalement ou transversalement à intervalles et en ligne. La couche (15) de mise sous boîtier est collée au bord du substrat (11), et fermée avec celui-ci. Le dispositif d'alimentation (3) est connecté électriquement au dispositif de commande (2). Les anodes (12) et les cathodes (14) sont connectées électriquement au dispositif de commande (2), séparément. Le procédé de fabrication comprend les étapes consistant à : utiliser un substrat (11) ; fabriquer des anodes (12) sur le substrat (11) ; fabriquer une couche fonctionnelle organique (13) sur les anodes (12) ; fabriquer des cathodes (14) sur la couche fonctionnelle organique (13) ; stratifier une couche (15) de mise sous boîtier et le substrat (11) pour achever la mise sous boîtier ; connecter électriquement les anodes (12) et les cathodes (14) à un dispositif de commande (2) ; et connecter électriquement un dispositif d'alimentation (3) au dispositif de commande (2). La règle de changement de graphique du dispositif de code dynamique à deux dimensions pour une DELO, fabriqué au moyen de ce procédé, ne peut pas être imitée ou volée, ce qui permet d'améliorer la sécurité.
PCT/CN2016/085178 2015-07-30 2016-06-07 Dispositif de code dynamique à deux dimensions pour diode électroluminescente organique et son procédé de fabrication WO2017016327A1 (fr)

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CN201510459279.4A CN104979487A (zh) 2015-07-30 2015-07-30 一种oled动态二维码器件及其制作方法

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CN104979487A (zh) * 2015-07-30 2015-10-14 西安宝莱特光电科技有限公司 一种oled动态二维码器件及其制作方法

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