WO2020134288A1 - 喷墨打印基台及喷墨打印方法 - Google Patents

喷墨打印基台及喷墨打印方法 Download PDF

Info

Publication number
WO2020134288A1
WO2020134288A1 PCT/CN2019/109031 CN2019109031W WO2020134288A1 WO 2020134288 A1 WO2020134288 A1 WO 2020134288A1 CN 2019109031 W CN2019109031 W CN 2019109031W WO 2020134288 A1 WO2020134288 A1 WO 2020134288A1
Authority
WO
WIPO (PCT)
Prior art keywords
printing
heating
heating plate
stage
pixel portions
Prior art date
Application number
PCT/CN2019/109031
Other languages
English (en)
French (fr)
Inventor
眭俊
谢相伟
黄航
苏亮
田亚蒙
Original Assignee
Tcl科技集团股份有限公司
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 Tcl科技集团股份有限公司 filed Critical Tcl科技集团股份有限公司
Publication of WO2020134288A1 publication Critical patent/WO2020134288A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0015—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
    • B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating

Definitions

  • the present application relates to the technical field of inkjet printing, in particular to an inkjet printing abutment and an inkjet printing method.
  • the ink that has been printed into the pixels is in the box atmosphere
  • Medium volatility (cabin atmosphere is slightly greater than atmospheric pressure)
  • the ink printed first evaporates first, and then the printed ink volatilizes, forming a coffee ring
  • the size is different, and the thickness and uniformity of the formed film are different, which will affect the resolution of the printed pattern and the performance of the prepared functional device.
  • One of the purposes of the embodiments of the present application is to provide an inkjet printing abutment and an inkjet printing method, aiming to solve the technology of forming a coffee ring during inkjet printing in the prior art, resulting in poor uniformity of the printing film and affecting the technology of functional devices problem.
  • an inkjet printing base including a first stage, a heating plate mounted on the first stage, and a heating stage placed on the first stage On the printed substrate above the board, the heating board is electrically connected to the positive and negative poles of the power supply, respectively.
  • a plurality of printing pixel portions are spaced apart on the printing substrate, and a plurality of heating pixel portions are spaced apart on the heating plate, and each heating pixel portion is corresponding to each printing pixel portion, Each heating pixel portion is electrically connected to the positive electrode and the negative plate of the power supply through two wires respectively.
  • both the heating pixel portion and the two conductive wires are metal layers printed on the heating plate.
  • a plurality of printing areas are distributed on the printing substrate at intervals, each printing area has a plurality of printing pixel portions arranged at intervals, and a plurality of heating pixel portions are distributed at intervals on the heating plate, each of the heating The pixel portion is provided corresponding to each printing area, and each heated pixel portion is electrically connected to the positive electrode and the negative electrode of the power supply through two wires, respectively.
  • the heating pixel portion is a heating resistor.
  • the area of the heating plate is greater than or equal to the area of the printing substrate.
  • a temperature detector is provided under the printing substrate.
  • the heating pixel portion is electrically connected to the positive electrode and the negative plate of the power supply through two wires respectively; or, there are multiple power supplies, each of the heating pixel portions Both are electrically connected to the positive and negative poles of each power supply through two wires.
  • it further includes a second stage, the first stage is placed on the second stage, and the heating plate is provided on the upper surface of the first stage, or, The heating plate is placed between the first stage and the second stage.
  • the first stage is a nickel aluminum alloy part.
  • the heating plate is a plastic piece or a glass piece.
  • the distance from the upper surface of the heating plate to the upper surface of the first stage is in the range of 0.3mm-1mm.
  • an inkjet printing method including the following process steps:
  • the printing substrate is placed on a first stage, and a heating plate is provided on the first stage and below the printing substrate, and the heating plate is electrically connected to the positive electrode and the negative electrode of the power supply, respectively;
  • the inkjet device is turned on for printing, and the heating plate is powered by a power source to generate current to heat the printing substrate.
  • a plurality of printing pixel portions are spaced apart on the printing substrate, and a plurality of heating pixel portions are spaced apart on the heating plate, and each heating pixel portion is corresponding to each printing pixel portion, There is one power supply, and each of the heating pixel parts is electrically connected to the positive electrode and the negative plate of the power supply through two wires; or, a plurality of printing areas are distributed on the printing substrate at intervals, each printing area has A plurality of printing pixel sections, a plurality of heating pixel sections are distributed at intervals on the heating plate, each heating pixel section is corresponding to each printing area, one power supply is provided, and each heating pixel section is connected to the The positive and negative electrical connections of the power supply are described;
  • step S2 of turning on the inkjet device to print, and supplying power to the heating plate by a power source to generate current to heat the printing substrate the same voltage is input to each heated pixel portion through the power source, Each heated pixel portion is caused to generate the same current.
  • a plurality of printing pixel portions are spaced apart on the printing substrate, and a plurality of heating pixel portions are spaced apart on the heating plate, and each heating pixel portion is corresponding to each printing pixel portion,
  • a plurality of printing pixel portions, a plurality of heating pixel portions are distributed at intervals on the heating plate, each heating pixel portion is corresponding to each printing area, a plurality of power sources are provided, and each heating pixel portion passes through two wires Electrically connected to the positive and negative poles of each power supply;
  • step S2 of turning on the inkjet device for printing, and supplying power to the heating plate to generate current to heat the printing substrate a different power is input to each heated pixel portion through each power supply Voltage, so that the current generated by each heated pixel portion is not exactly the same.
  • the heating plate is powered by a power source to generate current to heat the printing substrate, the printing pixel portion or The temperature of the printing area is higher than the temperature of the printing pixel portion or the printing area located outside.
  • a temperature detector is used for real-time acquisition during printing The temperature of the printing substrate.
  • the temperature detector is located below the printing substrate.
  • the distance from the upper surface of the heating plate to the upper surface of the first stage is in the range of 0.3mm-1mm.
  • a heating plate is installed on the first stage, and the heating plate is correspondingly located under the printing substrate, and heat is generated by energizing the heating plate and transferred to the printing substrate through the first stage,
  • the solvent will accelerate volatilization, the viscosity of the ink will increase, the viscosity of the solute will slow down after the viscosity rise, reduce the degree of coffee ring, and optimize the uniformity of the film formation, improve the efficiency of the device , Stability, life.
  • FIG. 1 is a plan view of the inkjet printing base provided in an embodiment of the present application when no printing substrate is placed on a first stage;
  • FIG. 2 is a plan view of the inkjet printing base provided by the embodiment of the present application after the printing substrate is placed on the first stage;
  • FIG. 3 is a schematic view of the arrangement of each heating pixel portion in the heating plate in the inkjet printing base provided by the embodiment of the present application;
  • a component when referred to as being “fixed” or “disposed on” another component, it can be directly on the other component or indirectly on the other component.
  • a component When a component is said to be “connected to” another component, it can be directly connected to the other component or indirectly connected to the other component.
  • first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.
  • features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless otherwise specifically limited.
  • an inkjet printing base provided by an embodiment of the present application includes a first stage 10, a heating plate 20 installed on the first stage 10, and a first stage A printing substrate 30 on 10 and above the heating plate 20, the heating plate 20 is electrically connected to the positive electrode and the negative electrode of the power supply respectively.
  • the printing substrate 30 may be placed on the upper surface of the first stage 10.
  • a heating plate 20 is provided in the first stage 10, and the heating plate 20 is correspondingly located under the printing substrate 30, and heat is generated by energizing the heating plate 20 and the heat is transferred through the first stage 10
  • the solvent will accelerate volatilization, and the viscosity of the ink will increase. After the viscosity rises, the flow of solute will slow down, reduce the degree of coffee ring, and optimize the film formation Uniformity, improve the efficiency, stability and life of the device.
  • the heating plate 20 is embedded in the first stage 10, and the mounting position is directly under the printing substrate 30.
  • the shape of the heating plate 20 is the same as the shape of the printing substrate 30, and the area of the heating plate 20 is greater than or equal to the area of the printing substrate 30.
  • the size of the heating plate 20 may be 30 mm (length)*30 mm (width)*0.5 mm (height).
  • the distance between the upper surface of the heating plate 20 and the upper surface of the first stage 10 should not be too large, and is generally 0.3 mm to 1 mm. Within this distance range, not only the rapid transfer of heat is ensured, but also the printing substrate 30 is prevented from being damaged due to the close distance. In one embodiment, the distance from the upper surface of the heating plate 20 to the upper surface of the first stage 10 is 0.5 mm.
  • a plurality of printing pixel portions are distributed on the printing substrate 30 at intervals, the plurality of printing pixel portions are arranged in sequence according to design requirements, and there is a certain interval between two adjacent printing pixel portions .
  • a plurality of heating pixel portions 21 are distributed on the heating plate 20 at intervals, each heating pixel portion 21 is provided corresponding to each printing pixel portion, and each heating pixel portion 21 matches the shape and size of each printing pixel portion,
  • the pitch between two adjacent heating pixel portions 21 is the same.
  • the size of each printing pixel portion is 175 um (length)*60 um (width)*1.5 um (height), and the spacing between two adjacent printing pixel portions is 60 um.
  • the matching heating pixel portion is also small.
  • the heating pixel portion and the two wires are metal layers printed on the heating plate 20.
  • the metal has good electrical and thermal conductivity, and copper, silver and aluminum can be used.
  • Each heated pixel portion 21 and the corresponding wire 40 can be printed on the heating plate 20 by non-contact printing, contact printing, etc., such as inkjet printing, screen printing, and the like.
  • Each heated pixel portion 21 is led out through two wires 40 for electrical connection with the positive electrode of the power supply and the negative electrode of the power supply.
  • the power supply can be one, and a plurality of heating pixel portions 21 are connected in parallel with the power supply respectively.
  • the voltage output from the power supply to each heating pixel portion 21 can be controlled to be the same. Therefore, the current generated is the same and the heat generated is the same.
  • the temperature of each printing pixel portion of the printing substrate 30 is kept the same at each printing pixel portion.
  • each heated pixel portion 21 is electrically connected to the positive electrode and the negative electrode of an independent power supply through two wires 40, respectively, so that each heated pixel portion 21 is controlled by an independent power supply positive electrode and negative electrode,
  • the temperature of the printed pixel portion on the inner side is higher than the temperature of the printed pixel portion on the outer side, because the solvent on the outer side
  • the solvent on the inner side is easier to evaporate, so the temperature on the outer side does not need to be too high, speeding up the evaporation rate of the solvent on the internal printing pixel portion, slowing down the evaporation rate of the solvent on the external printing pixel portion, and keeping the solvent evaporation speed on the entire printing substrate balance.
  • a plurality of printing areas are distributed on the printing substrate 30 at intervals, each printing area has a plurality of printing pixel portions arranged at intervals, and a plurality of heating pixel portions are distributed on the heating plate 20 at intervals 21.
  • Each heating pixel portion 21 is provided corresponding to each printing area, so that one heating pixel portion 21 heats a plurality of printing pixel portions on one printing area.
  • the heating pixel portion 21 no longer needs to be miniaturized, and can be set as a heating resistor, and the two wires 40 connected thereto can be ordinary wires or similarly printed metal layers.
  • the plurality of heated pixel portions 21 may share a power supply for outputting the same voltage, or may be connected to a plurality of power supplies for outputting different voltages, which is the same as described above and will not be repeated here.
  • a temperature detector (not shown) is provided below the printing substrate 30. In this way, the temperature of the printing substrate 30 on the upper surface of the first stage 10 can be displayed in real time by the temperature detector, so as to conveniently adjust the output voltage of the power supply.
  • the heating plate 20 is made of non-conductive material.
  • the heating plate 20 is made of plastic or glass.
  • the inkjet printing base also includes a second stage (not shown in the figure), and the first stage 10 is placed on the second stage.
  • the second stage is used to support the first stage 10, and is used for fixed installation with an external structure, such as an external rotating mechanism or a lifting mechanism, etc., to facilitate various needs of the inkjet printer table during printing.
  • the second stage is made of marble material
  • the first stage 10 is made of nickel aluminum alloy with good thermal conductivity and high flatness.
  • the setting of the heating plate 20 may not change, and it is still embedded in the first stage 10.
  • the position of the heating plate 20 can also be improved, and the heating plate 20 is disposed between the first stage 10 and the second stage, so that the heat can still be transferred to the printing through the first stage ⁇ 30 ⁇ The substrate 30.
  • the temperature of the printing substrate 30 is controlled at about 60°C.
  • an embodiment of the present application further provides an inkjet printing method based on the foregoing inkjet printing abutment, including the following steps:
  • Step S1 Place the printing substrate on the first stage 10, and a heating plate 20 is provided on the first stage 10 and below the printing substrate.
  • the heating plate 20 is electrically connected to the positive and negative power sources, respectively connection;
  • Step S2 The inkjet device is turned on, the print head moves on the printing substrate 30 to print, and the heating plate 20 is powered by a power source to generate current to heat the printing substrate 30.
  • a plurality of printing pixel portions are distributed on the printing substrate 30 at intervals, and a plurality of heating pixel portions 21 are distributed on the heating plate 20 at intervals.
  • Each heating pixel portion 21 is provided corresponding to each printing pixel portion.
  • each heated pixel portion 21 is electrically connected to the positive electrode and the negative plate of the power supply through two wires 40 respectively; or, a plurality of printing areas are distributed on the printing substrate 30 at intervals, each printing area has a plurality of For the printing pixel section, a plurality of heating pixel sections 21 are distributed on the heating plate 20 at intervals, and each heating pixel section is provided corresponding to each printing area, and one power supply is provided.
  • the heating pixel section 21 is connected to the power supply through two wires 40 respectively
  • the positive electrode of the is electrically connected to the negative plate; thus, in step S2, the same voltage is input to each heated pixel portion 21 through the power source, so that each heated pixel portion 21 generates the same current, thereby generating the same amount of heat, so The temperature of each printing pixel portion transferred to the printing substrate 30 can be controlled uniformly.
  • each heated pixel portion 21 is electrically connected to each positive and negative electrode of each independent power supply through two wires 40; in step S2, different voltages are input to each heated pixel portion 21 through each independent power supply So that the current generated by each heated pixel portion 21 is not exactly the same.
  • the outer side Since the solvent on the outer printing pixel portion is easier to evaporate than that on the inner printing pixel portion, the outer side does not need an excessively high temperature.
  • the heating pixel portion 21 on the inner side The voltage is higher than the voltage of the heating pixel portion 21 located on the outside, so that the temperature of the printing pixel portion located on the inside is higher than the temperature of the printing pixel portion on the outside, speeding up the evaporation rate of the solvent on the internal printing pixel portion, and slowing down the external printing pixel portion
  • the evaporation rate of the solvent keeps the evaporation rate of the solvent on the entire printing substrate in balance.
  • the heating plate 20 is mounted on a first stage 10, and the printing substrate 30 is located above the heating plate 20. It is also possible to set a second stage below the first stage 10, the heating plate 20 is still installed on the first stage 10, or the heating plate 20 is arranged on the first stage 10 and the second stage Between objects.
  • step S2 a temperature detector is used to obtain the temperature of the printing substrate in real time during printing, so as to conveniently adjust the output voltage of the power supply. Specifically, a temperature detector is provided under the printing substrate 30.

Landscapes

  • Ink Jet (AREA)

Abstract

一种喷墨打印基台及喷墨打印方法，喷墨打印基台包括第一载物台(10)、安装于第一载物台(10)上的加热板(20)以及置于所述第一载物台(10)上且位于所述加热板(20)上方的打印基片(30)，所述加热板(20)分别与电源正极、负极电连接，在第一载物台(10)上安装加热板(20)，且加热板(20)对应位于打印基片(30)下方，通过对加热板(20)通电产生热量并通过第一载物台(10)传递至打印基片(30)，通过该结构，在打印中，墨水打印在受热的打印基片(30)上，溶剂会加快挥发，减小咖啡环程度，并优化成膜的均匀性，提高器件的效率、稳定性和寿命。

Description

喷墨打印基台及喷墨打印方法
本申请要求于2018年12月26日在中国国家知识产权局提交的、申请号为201811598457.1、发明名称为“喷墨打印基台及喷墨打印方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及涉及喷墨打印技术领域，具体涉及一种喷墨打印基台及喷墨打印方法。
 背景技术
显示技术从早期的阴极射线管(CRT)，到20世纪80年底中期的液晶显示(LCD)、等离子体平板显示(PDP)，再到目前主流的OLED（有机发光二极管）/QLED（量子点）显示，完成了一次又一次质的飞跃。随着纳米材料技术与设备技术的发展，在OLED/QLED显示技术中，采用喷墨印刷在刚性/柔性衬底上实现低成本、大面积印刷制备成为最被青睐的技术。喷墨打印相关技术中，基片放置在打印基台上，整个打印过程根据打印基片的大小需要几分钟到几十分钟，在整个打印过程中，已经打印到像素中的墨水在箱体气氛中挥发(箱体气氛稍大于大气压)，由于墨水本身的特性，很容易形成咖啡环，而且在整个打印过程中，先打印出来的墨水先挥发，后打印出来的墨水后挥发，形成的咖啡环大小不一样，所形成的膜的厚度跟均匀性不一样，这样会影响打印图案的分辨率及所制备功能器件的性能。
 技术问题
本申请实施例的目的之一在于：提供一种喷墨打印基台及喷墨打印方法，旨在解决现有技术中喷墨打印时形成咖啡环而造成打印膜均匀性差，影响功能器件的技术问题。
 技术解决方案
为解决上述技术问题，本申请实施例采用的技术方案是：
第一方面，提供了一种喷墨打印基台，包括第一载物台、安装于所述第一载物台上的加热板以及置于所述第一载物台上且位于所述加热板上方的打印基片，所述加热板分别与电源正极、负极电连接。
在一个实施例中，所述打印基片上间隔分布多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印像素部对应设置，每个所述加热像素部均通过两导线分别与电源的正极、负板电连接。
在一个实施例中，所述加热像素部及两所述导线均为印刷于所述加热板上的金属层。
在一个实施例中，所述打印基片上间隔分布多个打印区域，每个打印区域具有间隔设置的多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印区域对应设置，每个加热像素部均通过两导线分别与电源的正极、负极电连接。
在一个实施例中，所述加热像素部为发热电阻。
在一个实施例中，所述加热板的面积大于或等于所述打印基片的面积。
在一个实施例中，所述打印基片下方设置一温度探测器。
在一个实施例中，所述电源为一个，所述加热像素部均通过两导线分别与所述电源的正极、负板电连接；或者，所述电源为多个，每个所述加热像素部均通过两导线与每个电源的正极、负极电连接。
在一个实施例中，还包括第二载物台，所述第一载物台置于所述第二载物台上，所述加热板设于所述第一载物台上表面，或者，所述加热板置于所述第一载物台与所述第二载物台之间。
在一个实施例中，所述第一载物台为镍铝合金件。
在一个实施例中，所述加热板为塑胶件或玻璃件。
在一个实施例中，所述加热板的上表面到所述第一载物台的上表面的距离范围为0.3mm-1mm。
第二方面，提供了一种喷墨打印方法，包括以下工艺步骤：
将打印基片置于第一载物台上，所述第一载物台上且位于所述打印基片下方设置有加热板，所述加热板分别与电源正极、负极电连接；
开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热。
在一个实施例中，所述打印基片上间隔分布多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印像素部对应设置，电源为一个，每个所述加热像素部均通过两导线与所述电源的正极、负板电连接；或者，所述打印基片上间隔分布多个打印区域，每个打印区域具有间隔设置的多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印区域对应设置，电源为一个，每个加热像素部均通过两导线与所述电源的正极、负极电连接；
在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤S2中，通过所述电源向每个加热像素部输入同样的电压，使每个加热像素部产生同样的电流。
在一个实施例中，所述打印基片上间隔分布多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印像素部对应设置，电源为多个，每个所述加热像素部均通过两导线与每个电源的正极、负板电连接；或者，所述打印基片上间隔分布多个打印区域，每个打印区域具有间隔设置的多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印区域对应设置，电源为多个，每个加热像素部均通过两导线与每个电源的正极、负极电连接；
在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤S2中，通过各所述电源向各所述加热像素部输入不同的电压，使每个加热像素部产生的电流不完全相同。
在一个实施例中，在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤S2中，位于内侧的所述打印像素部或所述打印区域的温度高于位于外侧的所述打印像素部或所述打印区域的温度。
在一个实施例中，在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤S2中，在打印时采用温度探测器实时获取所述打印基片的温度。
在一个实施例中，所述温度探测器设于所述打印基片下方。
在一个实施例中，所述加热板的上表面到所述第一载物台的上表面的距离范围为0.3mm-1mm。
 有益效果
本申请实施例的有益效果在于：在第一载物台上安装加热板，且加热板对应位于打印基片下方，通过对加热板通电产生热量并通过第一载物台传递至打印基片，在打印中，墨水打印在受热的打印基片上，溶剂会加快挥发，使墨水的粘度上升，粘度上升后溶质的流动减缓，减小咖啡环程度，并优化成膜的均匀性，提高器件的效率、稳定性、寿命。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例提供的喷墨打印基台中第一载物台未放置打印基片时的俯视图；
图2为本申请实施例提供的喷墨打印基台中第一载物台放置打印基片后的俯视图；
图3为本申请实施例提供的喷墨打印基台中加热板中各加热像素部的设置示意图；
图4为本申请实施例提供的喷墨打印方法的流程图；
其中，图中各附图标记：
10-第一载物台；20-加热板；21-加热像素部；30-打印基片；40-导线。
 本发明的实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
需说明的是，当部件被称为“固定于”或“设置于”另一个部件，它可以直接在另一个部件上或者间接在该另一个部件上。当一个部件被称为是“连接于”另一个部件，它可以是直接连接到另一个部件或者间接连接至该另一个部件上。
还需说明的是，本申请实施例的附图中相同或相似的标号对应相同或相似的部件；在本申请的描述中，需要理解的是，若有术语“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此，附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
参照图1至图2，本申请实施例提供的一种喷墨打印基台，包括第一载物台10，安装于第一载物台10上的加热板20以及置于第一载物台10上且位于加热板20上方的打印基片30，加热板20分别与电源正极、负极电连接，可选地，打印基片30可以置于第一载物台10上表面。
在一实施例中，于第一载物台10内设置加热板20，且加热板20对应位于打印基片30下方，通过对加热板20通电产生热量并通过第一载物台10将热量传递给打印基片，在打印中，墨水打印在受热的打印基片30上，溶剂会加快挥发，使墨水的粘度上升，粘度上升后溶质的流动减缓，减小咖啡环程度，并优化成膜的均匀性，提高器件的效率、稳定性、寿命。
进一步地，加热板20镶嵌在第一载物台10中，且镶嵌的位置为打印基片30的正下方。加热板20的形状跟打印基片30的形状一样，且加热板20面积大于或等于打印基片30的面积。在一实施例中，加热板20的尺寸可为30mm(长)*30mm(宽)*0.5mm(高)。
加热板20的上表面到第一载物台10的上表面的距离不能过大，一般为0.3mm-1mm。在此距离范围内，既保证热量的快速传递，又避免距离过近而对打印基片30造成损伤。在一实施例中，加热板20的上表面到第一载物台10的上表面的距离为0.5mm。
在一实施例中，打印基片30上间隔分布多个打印像素部（图中未示出），多个打印像素部根据设计需要顺序排列，且相邻两打印像素部之间具有一定的间隔。参照图3，加热板20上间隔分布多个加热像素部21，每个加热像素部21与每个打印像素部对应设置，每个加热像素部21与每个打印像素部的形状和大小匹配，且相邻两个加热像素部21的间距也一样。实施例中，每个打印像素部的尺寸为175um(长)*60um(宽)*1.5um(高)，相邻两打印像素部之间的间距为60um。
由于每个打印像素部的尺寸很小，与之匹配的加热像素部也较小，为了便于制作，加热像素部及两导线均为印刷于加热板20上的金属层。金属导电导热性能良好，可采用铜、银、铝等。每个加热像素部21以及对应导线40可通过非接触印刷、接触印刷等方式印刷到加热板20上，比如喷墨印刷、丝网印刷等。
每个加热像素部21分别通过两导线40引出，用于与电源的正极及电源的负极电连接。电源可为一个，多个加热像素部21分别跟电源并联，可控制电源输出到每个加热像素部21的电压一样，因此产生的电流一样，产生的热量一样，因此可以很均匀地控制传递给打印基片30的每个打印像素部的温度，使每个打印像素部的温度保持一致。
当然，也可以设置多个电源，每个加热像素部21分别通过两导线40与独立的电源的正极、负极电连接，这样，通过独立的电源正极及负极对每个加热像素部21分别控制，如向位于内侧的加热像素部21输入的电压高于向外侧的加热像素部21输入的电压，使得位于内侧的打印像素部的温度高于位于外侧的打印像素部的温度，因为在外侧的溶剂较内侧的溶剂更容易蒸发，故外侧较内侧不需要过高的温度，加快内部打印像素部上溶剂的蒸发速度，减缓外部打印像素部上溶剂的蒸发速度，使得整个打印基片上溶剂蒸发速度保持平衡。
在其他实施例中，打印基片30上间隔分布多个打印区域（图中未示出），每个打印区域具有间隔设置的多个打印像素部，加热板20上间隔分布多个加热像素部21，每个加热像素部21与每个打印区域对应设置，这样，一个加热像素部21对应加热一个打印区域上的多个打印像素部。此时，加热像素部21不再需要微型化设置，可设置为发热电阻，而与之连接的两导线40可以为普通导线，也可以同样为印刷而成的金属层。同样地，多个加热像素部21可以与共用一电源，用于输出相同的电压，或者，分别与多个电源连接，用于输出不同的电压，此处与前述相同，此处不再赘述。
在一实施例中，打印基片30下方设置一温度探测器（图中未示出）。这样，通过温度探测器可实时显示第一载物台10上表面的打印基片30的温度，以方便调整电源的输出电压。
而加热板20则采用不导电的材质制成，如加热板20为塑胶件或玻璃件。
喷墨打印基台还包括第二载物台（图中未示出），第一载物台10置于所述第二载物台上。第二载物台用于支撑第一载物台10，并用于与外部结构的固定安装，如外部旋转机构或升降机构等，方便喷墨打印机台在打印时的各种需求。第二载物台采用大理石材料，第一载物台10选用导热性能良好且平整度高的镍铝合金制成。此时，加热板20的设置可以不变，仍镶嵌在第一载物台10内。当然，也可以对加热板20的位置进行改进，将加热板20设置于第一载物台10与所述第二载物台之间，这样，热量仍能通过第一载物台传递至打印基片30。打印基片30的温度控制在60℃左右。
参照图4，本申请实施例还提供了一种基于上述喷墨打印基台的喷墨打印方法，包括以下步骤：
步骤S1、将打印基片置于第一载物台10上，第一载物台10上且位于所述打印基片下方设置有加热板20，所述加热板20分别与电源正极、负极电连接；
步骤S2、开启喷墨设备，打印喷头移动在打印基片30上进行打印，并通过电源对加热板20供电产生电流对打印基片30进行加热。
由于上述喷墨打印基台中，打印基片30上间隔分布多个打印像素部，加热板20上间隔分布多个加热像素部21，每个加热像素部21与每个打印像素部对应设置，电源为一个，每个加热像素部21分别通过两导线40与所述电源的正极与负板电连接；或者，打印基片30上间隔分布多个打印区域，每个打印区域具有间隔设置的多个打印像素部，加热板20上间隔分布多个加热像素部21，每个加热像素部与每个打印区域对应设置，电源为一个，此时，加热像素部21分别通过两导线40与所述电源的正极与负板电连接；这样，在步骤S2中，通过所述电源向每个加热像素部21输入同样的电压，使每个加热像素部21产生同样的电流，从而产生同样的热量，因此可以很均匀的控制传递给打印基片30的每个打印像素部的温度一样。
若电源为多个，每个加热像素部21分别通过两导线40与每个独立的电源正极、负极电连接；则在步骤S2中，通过各独立的电源向各加热像素部21输入不同的电压，使每个加热像素部21产生的电流不完全相同。
由于在外侧的打印像素部上溶剂较内侧的打印像素部上的溶剂更容易蒸发，故外侧较内侧不需要过高的温度，在输入不同电压时，对应地，位于内侧的加热像素部21的电压高于位于外侧的加热像素部21的电压，这样，使得位于内侧的打印像素部温度高于外侧的的打印像素部温度，加快内部打印像素部上溶剂的蒸发速度，减缓外部打印像素部上溶剂的蒸发速度，使得整个打印基片上溶剂蒸发速度保持平衡。
在步骤S1实施前，加热板20安装于一第一载物台10上，打印基片30位于加热板20上方。也可以在第一载物台10下方再设置第二载物台，加热板20仍安装于第一载物台10上，或者，将加热板20设置于第一载物台10与第二载物台之间。
在步骤S2中，在打印时采用温度探测器实时获取打印基片的温度，以方便调整电源的输出电压。具体地，在打印基片30下方设置一温度探测器。
以上仅为本申请的优选实施例而已，并不用于限制本申请。对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的权利要求范围之内。

Claims (19)

  1. 一种喷墨打印基台，其特征在于，包括第一载物台、安装于所述第一载物台上的加热板以及置于所述第一载物台上且位于所述加热板上方的打印基片，所述加热板分别与电源正极、负极电连接。
  2. 根据权利要求1所述的喷墨打印基台，其特征在于，所述打印基片上间隔分布多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印像素部对应设置，每个所述加热像素部均通过两导线分别与电源的正极、负板电连接。
  3. 根据权利要求2所述的喷墨打印基台，其特征在于，所述加热像素部及两所述导线均为印刷于所述加热板上的金属层。
  4. 根据权利要求1所述的喷墨打印基台，其特征在于，所述打印基片上间隔分布多个打印区域，每个打印区域具有间隔设置的多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印区域对应设置，每个加热像素部均通过两导线分别与电源的正极、负极电连接。
  5. 根据权利要求4所述的喷墨打印基台，其特征在于，所述加热像素部为发热电阻。
  6. 根据权利要求1所述的喷墨打印基台，其特征在于，所述加热板的面积大于或等于所述打印基片的面积。
  7. 根据权利要求1所述的喷墨打印基台，其特征在于，所述打印基片下方设置一温度探测器。
  8. 据权利要求2至5中任一项所述的喷墨打印基台，其特征在于，所述电源为一个，所述加热像素部均通过两导线分别与所述电源的正极、负板电连接；或者，所述电源为多个，每个所述加热像素部均通过两导线与每个电源的正极、负极电连接。
  9. 根据权利要求1所述的喷墨打印基台，其特征在于，还包括第二载物台，所述第一载物台置于所述第二载物台上，所述加热板设于所述第一载物台上表面，或者，所述加热板置于所述第一载物台与所述第二载物台之间。
  10. 根据权利要求1所述的喷墨打印基台，其特征在于，所述第一载物台为镍铝合金件。
  11. 根据权利要求1所述的喷墨打印基台，其特征在于，所述加热板为塑胶件或玻璃件。
  12. 根据权利要求1所述的喷墨打印基台，其特征在于，所述加热板的上表面到所述第一载物台的上表面的距离范围为0.3mm-1mm。
  13. 一种喷墨打印方法，其特征在于，包括以下步骤：
    将打印基片置于第一载物台上，所述第一载物台上且位于所述打印基片下方设置有加热板，所述加热板分别与电源正极、负极电连接；
    开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热。
  14. 根据权利要求13所述的喷墨打印方法，其特征在于，所述打印基片上间隔分布多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印像素部对应设置，电源为一个，每个所述加热像素部均通过两导线与所述电源的正极、负板电连接；或者，所述打印基片上间隔分布多个打印区域，每个打印区域具有间隔设置的多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印区域对应设置，电源为一个，每个加热像素部均通过两导线与所述电源的正极、负极电连接；
    在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤中，通过所述电源向每个加热像素部输入同样的电压，使每个加热像素部产生同样的电流。
  15. 根据权利要求13所述的喷墨打印方法，其特征在于，所述打印基片上间隔分布多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印像素部对应设置，电源为多个，每个所述加热像素部均通过两导线与每个电源的正极、负板电连接；或者，所述打印基片上间隔分布多个打印区域，每个打印区域具有间隔设置的多个打印像素部，所述加热板上间隔分布多个加热像素部，每个所述加热像素部与每个所述打印区域对应设置，电源为多个，每个加热像素部均通过两导线与每个电源的正极、负极电连接；
    在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤中，通过各所述电源向各所述加热像素部输入不同的电压，使每个加热像素部产生的电流不完全相同。
  16. 根据权利要求15所述的喷墨打印方法，其特征在于，在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤中，位于内侧的所述打印像素部或所述打印区域的温度高于位于外侧的所述打印像素部或所述打印区域的温度。
  17. 根据权利要求13至16中任一项所述的喷墨打印方法，其特征在于，在所述开启喷墨设备进行打印，并通过电源对所述加热板供电产生电流以对所述打印基片进行加热的步骤中，在打印时采用温度探测器实时获取所述打印基片的温度。
  18. 根据权利要求17所述的喷墨打印方法，其特征在于，所述温度探测器设于所述打印基片下方。
  19. 根据权利要求13所述的喷墨打印方法，其特征在于，所述加热板的上表面到所述第一载物台的上表面的距离范围为0.3mm-1mm。
PCT/CN2019/109031 2018-12-26 2019-09-29 喷墨打印基台及喷墨打印方法 WO2020134288A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811598457.1 2018-12-26
CN201811598457.1A CN111361289B (zh) 2018-12-26 2018-12-26 喷墨打印基台及喷墨打印方法

Publications (1)

Publication Number Publication Date
WO2020134288A1 true WO2020134288A1 (zh) 2020-07-02

Family

ID=71128637

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/109031 WO2020134288A1 (zh) 2018-12-26 2019-09-29 喷墨打印基台及喷墨打印方法

Country Status (2)

Country Link
CN (1) CN111361289B (zh)
WO (1) WO2020134288A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112428700A (zh) * 2020-11-11 2021-03-02 大连理工大学 一种柔性可弯折oled屏的一体化喷墨打印制作装置及方法
CN114475036B (zh) * 2022-02-17 2023-03-03 北京航空航天大学 一种基于液滴沸腾的提高喷墨打印质量的方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040115339A1 (en) * 2002-09-19 2004-06-17 Nobuyuki Ito Method and apparatus for manufacturing organic EL display and color filter by ink jet method
CN1506222A (zh) * 2002-12-09 2004-06-23 铼宝科技股份有限公司 有机电激发光元件的色墨喷墨温度控制装置及其方法
CN104167512A (zh) * 2013-05-15 2014-11-26 三星显示有限公司 Oled显示器的制造装置及使用该装置制造oled显示器的方法
CN105799326A (zh) * 2014-12-30 2016-07-27 深圳Tcl工业研究院有限公司 喷墨印刷机及喷墨印刷机的喷墨方法
CN105870359A (zh) * 2016-04-12 2016-08-17 京东方科技集团股份有限公司 薄膜的制备方法、温度控制装置及用于制备薄膜的系统
CN108091778A (zh) * 2017-12-27 2018-05-29 深圳市华星光电技术有限公司 喷墨打印膜层的干燥方法、加热装置及其制造方法
CN109059436A (zh) * 2018-06-14 2018-12-21 京东方科技集团股份有限公司 干燥箱及其控制方法、有机电致发光器件的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02151444A (ja) * 1988-12-02 1990-06-11 Canon Inc インクジェット記録装置
US6908045B2 (en) * 2003-01-28 2005-06-21 Casio Computer Co., Ltd. Solution spray apparatus and solution spray method
CN205553568U (zh) * 2016-04-27 2016-09-07 京东方科技集团股份有限公司 一种喷墨打印机
CN107053860B (zh) * 2016-09-05 2019-02-01 广东聚华印刷显示技术有限公司 喷墨打印装置及喷墨打印方法
CN107053870B (zh) * 2017-04-20 2019-08-27 京东方科技集团股份有限公司 一种喷墨打印方法及装置
CN107379804B (zh) * 2017-07-31 2023-01-06 华南理工大学 一种大面积高均匀性薄膜喷墨打印方法及打印系统
CN108944075B (zh) * 2018-07-25 2019-10-15 京东方科技集团股份有限公司 用于喷墨打印的打印台、打印设备及打印方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040115339A1 (en) * 2002-09-19 2004-06-17 Nobuyuki Ito Method and apparatus for manufacturing organic EL display and color filter by ink jet method
CN1506222A (zh) * 2002-12-09 2004-06-23 铼宝科技股份有限公司 有机电激发光元件的色墨喷墨温度控制装置及其方法
CN104167512A (zh) * 2013-05-15 2014-11-26 三星显示有限公司 Oled显示器的制造装置及使用该装置制造oled显示器的方法
CN105799326A (zh) * 2014-12-30 2016-07-27 深圳Tcl工业研究院有限公司 喷墨印刷机及喷墨印刷机的喷墨方法
CN105870359A (zh) * 2016-04-12 2016-08-17 京东方科技集团股份有限公司 薄膜的制备方法、温度控制装置及用于制备薄膜的系统
CN108091778A (zh) * 2017-12-27 2018-05-29 深圳市华星光电技术有限公司 喷墨打印膜层的干燥方法、加热装置及其制造方法
CN109059436A (zh) * 2018-06-14 2018-12-21 京东方科技集团股份有限公司 干燥箱及其控制方法、有机电致发光器件的制备方法

Also Published As

Publication number Publication date
CN111361289B (zh) 2021-09-03
CN111361289A (zh) 2020-07-03

Similar Documents

Publication Publication Date Title
US10230048B2 (en) OLEDs for micro transfer printing
WO2020134288A1 (zh) 喷墨打印基台及喷墨打印方法
CN103681486A (zh) 一种柔性显示基板的制造方法
US20200083488A1 (en) Manufacturing method of oled display and oled display
CN107591415B (zh) 一种阵列基板及其制造方法
KR20100135161A (ko) 방열 반도체소자 패키지, 그 제조방법 및 방열 반도체소자 패키지를 포함하는 디스플레이장치
US9831430B2 (en) Evaporation system and fabricating method and evaporation method thereof
CN110828530A (zh) 一种显示面板及其制备方法、显示装置
CN108987608A (zh) Oled显示面板及其制造方法、显示装置
CN108091778A (zh) 喷墨打印膜层的干燥方法、加热装置及其制造方法
WO2018232793A1 (zh) 基于喷墨打印技术的像素结构及其制作方法
KR102065763B1 (ko) 승화형 열전사 방법을 이용하는 유기 전계 발광 표시 장치의 유기 발광 패턴 형성 방법 및 유기 발광 패턴 형성 장치
CN111863908A (zh) 显示基板及其制作方法、显示装置
CN101740726A (zh) 有机电致发光器件及其制造方法
US8803413B2 (en) Symmetric quadrupole structured field emission display without spacer
CN109309159A (zh) 一种薄膜制备方法、显示面板及其制备方法、显示装置
KR101249682B1 (ko) 패턴 형성 방법
CN111613649A (zh) 一种显示面板及其制备方法、显示装置
CN111354869A (zh) 一种显示基板及其制作方法、显示装置
CN113328025B (zh) 液晶显示装置及其制备方法
KR101897970B1 (ko) 유기박막 전사장치와 이를 이용한 유기박막 전사방법
CN101093773A (zh) 场发射显示器及其制造方法
KR100692853B1 (ko) 평판 표시소자의 제조장치 및 제조방법
WO2021088195A1 (zh) Oled显示面板
KR101030487B1 (ko) 카본나노튜브의 수직정렬을 위한 장치 및 이를 이용한 방법

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19902346

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19902346

Country of ref document: EP

Kind code of ref document: A1