WO2017016328A1

WO2017016328A1 - Dynamic one-dimensional code device for oled and manufacturing method therefor

Info

Publication number: WO2017016328A1
Application number: PCT/CN2016/085179
Authority: WO
Inventors: 赵炜
Original assignee: 西安宝莱特光电科技有限公司
Priority date: 2015-07-30
Filing date: 2016-06-07
Publication date: 2017-02-02
Also published as: CN104992639A

Abstract

A dynamic one-dimensional code device for an OLED and a manufacturing method therefor. The dynamic one-dimensional code device for an OLED comprises a display device (1), a control device (2), and a power device (3). The display device (1) comprises a substrate (11), anodes (12), an organic functional layer (13), cathodes (14), and a packaging layer (15). The anodes (12) are disposed on the substrate (11), the anodes (12) being transversely or longitudinally arranged at intervals in a line shape. The cathodes (14) cover the organic functional layer (13). The packaging layer (15) is stuck to and closed with the edge of the substrate (11). The power device (3) is electrically connected to the control device (2). The anodes (12) and the cathodes (14) are electrically connected to the control device (2), separately. The graph change rule of the dynamic one-dimensional code device for an OLED cannot be imitated or stolen, thereby improving the safety.

Description

OLED dynamic one-dimensional code device and manufacturing method thereof

Technical field

The present invention relates to the field of information technology, and in particular, to a method for fabricating an OLED dynamic one-dimensional code device and an OLED dynamic one-dimensional code device.

Background technique

At present, one-dimensional code graphics are mainly presented in the form of printing on the surface of an object (such as a paper surface). Once the graphics are made, it is impossible to switch. We call this type of one-dimensional code a static one-dimensional code, static. The one-dimensional code pattern is unchanged, and the information is single and easy to copy; however, the one-dimensional code graphic can also be displayed on the display screen, and the one-dimensional code pattern can be changed at this time, and the change manner can be random or according to a certain The law of this kind is called the dynamic one-dimensional code, and the dynamic one-dimensional code pattern is variable. Only the designer knows the change law, and the outsider can hardly imitate it.

The display screen that presents the dynamic one-dimensional code can be any display technology such as LCD, CRT, LED, OLED, and the like.

Organic Light Emitting Diode (OLED) has excellent display performance: self-illumination, simple structure, ultra-thin, fast response, wide viewing angle, low power consumption and flexible display, etc. There is no complete process or method for making dynamic one-dimensional codes based on OLED display technology.

Summary of the invention

In view of the technical problems in the prior art, an object of the present invention is to provide an OLED dynamic one-dimensional code device and a method for fabricating an OLED dynamic one-dimensional code device.

To achieve the above technical object, the present invention is implemented by the following technical solutions.

An OLED dynamic one-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 The anode having the anodes arranged in a line shape laterally or longitudinally; the cathode covering the organic functional layer; the encapsulation layer being bonded to the edge of the substrate; the power supply device electrically connecting the a control device; the anode and the cathode are electrically connected to the control device.

Preferably, 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 top to bottom.

Preferably, 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 top to bottom.

Preferably, 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 order from top to bottom.

Preferably, 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 top to bottom.

A method for fabricating an OLED dynamic one-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.

Preferably, 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.

Preferably, the etching process may be laser dry etching or photoresist wet etching.

Preferably, 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, 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; and then, on the organic light-emitting layer The electron transport layer is formed by a vacuum coating process or a solution method; finally, an electron injecting layer is formed on the upper surface of the electron transporting layer by a vacuum plating process or a solution method.

Preferably, 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.

Preferably, 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. Floor.

Preferably, 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 Alternatively, 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.

Preferably, the step of forming the cathode is specifically: forming a cathode directly on the upper surface of the organic functional layer by a vacuum coating 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 one-dimensional In the code, not only can the display effect of the one-dimensional code graphic be improved, but also the shape diversity of the one-dimensional code device can be increased, and the one-dimensional code graphic is displayed in a dynamic manner, and the pattern change law is unknown to outsiders and cannot be copied. Or stealing, items with dynamic one-dimensional code marking can achieve one thing and one code, suitable for application to anti-counterfeiting and Internet of Things field, effectively enhancing security; and the invention has simple manufacturing method, low cost, and can be mass-produced in large quantities. On production.

DRAWINGS

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.

In the figure, 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.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings:

Referring to FIGS. 1 to 4, an OLED dynamic one-dimensional code device according to an embodiment of the present invention 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 emission from bottom to top. The layer 133, the electron transport layer 134, and the electron injection layer 135; the second structure includes a hole injection layer 131, a hole transport layer 132, an organic light-emitting layer 133, and an electron transport layer 134 in order from bottom to top; The hole transport layer 132, the organic light-emitting layer 133, the electron transport layer 134, and the electron injection layer 135 are sequentially arranged from bottom to top. The fourth structure includes a hole transport layer 132 and an organic light-emitting layer 133 in order from bottom to top. Electron transport layer 134.

The cathode 14 covers the organic functional layer 13; the encapsulation layer 15 and the substrate 11 The edge is bonded and closed.

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.

In order to obtain the OLED dynamic one-dimensional code device, the present invention also provides a method for fabricating an OLED dynamic one-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:

In the first manner, first, 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.

In the second manner, first, 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. Transport layer 132; then, the surface on the hole transport layer 132 passes true The organic light-emitting layer 133 is formed by an empty plating process or 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.

In a third manner, first, 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. .

In a fourth manner, first, 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. Layer 133; Finally, 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.

Step S400: forming a cathode 14 on the upper surface of the organic functional layer 13;

The specific step of forming the cathode 14 is to directly form the cathode 14 on the upper surface of the organic functional layer 13 by a vacuum coating 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.

In use, 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. Forming a plurality of pixel points 16, wherein the plurality of pixel points 16 form an LED structure by the anode 12, the organic functional layer 13, and the cathode 14, which are turned on or off under the control of the control device 2 to form a one-dimensional code pattern; When the control device 2 controls all the pixel points 16 to change according to the preset content, the one-dimensional code pattern changes accordingly to realize dynamic one-dimensional code change.

It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the invention are within the scope of the invention The invention is also intended to cover such modifications and variations within the scope of the equivalents.

Claims

An OLED dynamic one-dimensional code device, comprising: 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, an encapsulation layer in order from bottom to top; The anode is disposed on the upper surface, the anodes are arranged in a line shape laterally or longitudinally; the cathode covers the organic functional layer; the encapsulation layer is bonded to the edge of the substrate; the power supply device Electrically connecting the control device; the anode and the cathode are electrically connected to the control device
The OLED dynamic one-dimensional code device according to claim 1, wherein the organic functional layer covers the anode, and includes a hole injection layer, a hole transport layer, and an organic light-emitting layer in order from bottom to top. Electron transport layer, electron injection layer.
The OLED dynamic one-dimensional code device according to claim 1, wherein the organic functional layer covers the anode, and includes a hole injection layer, a hole transport layer, and an organic light-emitting layer in order from bottom to top. Electronic transport layer.
The OLED dynamic one-dimensional code device according to claim 1, wherein 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 in order from bottom to top. Inject the layer.
The OLED dynamic one-dimensional code device according to claim 1, wherein 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 one-dimensional code device, comprising: providing a substrate; forming an anode on an upper surface of the substrate; forming an organic functional layer on the upper surface of the anode; The upper surface of the layer is made into a cathode; the encapsulation layer and the substrate are bonded together to complete the packaging; 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 method for fabricating an OLED dynamic one-dimensional code device according to claim 6, wherein the step of forming the anode is: first, forming a conductive film on the substrate by a vacuum coating process; and secondly, etching the process The anode is etched on the conductive film.
The method for fabricating an OLED dynamic one-dimensional code device according to claim 7, wherein the etching process is laser dry etching or photoresist wet etching.
The method for fabricating an OLED dynamic one-dimensional code device according to claim 6, wherein the step of forming the organic functional layer is: first, hole injection is performed on the upper surface of the anode by a vacuum coating process or a solution method. a second layer, a hole transport layer is formed on the upper surface of the hole injection layer by a vacuum plating process or a solution method; again, 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; The electron transport layer is formed on the upper surface of the organic light-emitting layer by a vacuum plating process or a solution method; finally, an electron injection layer is formed on the upper surface of the electron transport layer by a vacuum plating process or a solution method.
The method for fabricating an OLED dynamic one-dimensional code device according to claim 6, wherein the step of forming the organic functional layer is: first, hole injection is performed on the upper surface of the anode by a vacuum coating process or a solution method. a second layer is formed on the upper surface of the hole injection layer by a vacuum plating process or a solution method; 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; 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 method for fabricating an OLED dynamic one-dimensional code device according to claim 6, wherein the step of forming the organic functional layer is: first, hole transport is performed on the upper surface of the anode by a vacuum coating process or a solution method. Secondly, 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; 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, The upper surface of the electron transport layer is formed into an electron injecting layer by a vacuum plating process or a solution method.
The method for fabricating an OLED dynamic one-dimensional code device according to claim 6, wherein the step of forming the organic functional layer is: first, hole transport is performed on the upper surface of the anode by a vacuum coating process or a solution method. Secondly, 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, 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 method of fabricating an OLED dynamic one-dimensional code device according to claim 6, wherein the step of forming the cathode body is: the cathode is directly formed on the upper surface of the organic functional layer by a vacuum coating process.