CN111942020A - 药液吐出装置及药液吐出方法 - Google Patents

药液吐出装置及药液吐出方法 Download PDF

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CN111942020A
CN111942020A CN202010377963.9A CN202010377963A CN111942020A CN 111942020 A CN111942020 A CN 111942020A CN 202010377963 A CN202010377963 A CN 202010377963A CN 111942020 A CN111942020 A CN 111942020A
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substrate
inkjet head
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liquid medicine
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金哲佑
吴凡政
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Semes Co Ltd
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Abstract

本发明公开一种药液吐出装置及药液吐出方法。所述药液吐出装置可包括喷墨头、门形架及控制部。所述喷墨头可包括能够向基板上吐出药液的多个喷嘴。所述门形架可支撑所述喷墨头使得所述喷墨头位于所述基板的上部。所述控制部可控制所述喷墨头以改变从所述喷嘴吐出所述药液的吐出时间点。本发明通过向基板的稠密配置的像素区域准确地吐出药液，能够更有利于制造要求高清晰度的显示装置元件。

Description

药液吐出装置及药液吐出方法
本申请享有2019年5月14日向韩国特许厅申请的韩国专利申请第10-2019-0056017号的优先权。
技术领域
本发明的例示性实施例涉及药液吐出装置及药液吐出方法。更具体来讲，本发明的例示性实施例涉及能够利用包括多个喷嘴的喷墨头向基板上吐出药液的药液吐出装置及利用这种药液吐出装置的药液吐出方法。
背景技术
在液晶显示装置或有机发光显示装置之类的显示装置的制造工程中，为了在基板上准确地形成像素区域而准确地管理向所述基板上吐出的药液的吐出点。为了向所述基板上吐出所述药液，现有的药液吐出装置可具有包括多个喷嘴的喷墨头。通常，可以通过门形架支撑所述喷墨头使得位于基板上部。
但所述门形架上的所述喷墨头的设置、所述门形架自身的热变形等可引起所述门形架歪斜。其结果，所述药液可能无法从被这种门形架支撑的所述喷墨头准确地吐出到所述基板的所需部分，即所述基板的像素区域。
发明内容
技术问题
本发明的一个目的是提供一种门形架歪斜的情况下也能够向基板的所需部分上准确地吐出药液的药液吐出装置。
本发明的另一目的是提供一种门形架歪斜的情况下也能够向基板的所需部分上准确地吐出药液的药液吐出方法。
技术方案
根据本发明的一个方面，提供一种药液吐出装置，包括：喷墨头，其包括向基板上吐出药液的多个喷嘴；门形架，其支撑所述喷墨头使得所述喷墨头位于所述基板的上部；以及控制部，其控制所述喷墨头以改变从所述喷墨头的喷嘴吐出所述药液的吐出时间点。
在例示性实施例中，所述药液吐出装置还可以包括上部配置所述基板的工作台；以及形成于所述工作台上的对齐排列标记。该情况下，可利用所述对齐排列标记确认所述门形架及所述工作台的对齐排列。
在部分例示性实施例中，所述药液吐出装置还可以包括形成于所述基板上的对齐排列标记。该情况下，可利用所述对齐排列标记确认所述门形架及所述工作台的对齐排列。
本发明的另一方面提供一种药液吐出方法，包括利用位于基板上部、被门形架支撑且具有多个喷嘴的喷墨头向所述基板上吐出药液的步骤；以及控制所述喷墨头以在向所述基板上吐出所述药液时改变从所述喷墨头的喷嘴吐出所述药液的吐出时间点的步骤。
在例示性实施例中，所述药液吐出方法还可以包括向所述基板上吐出所述药液之前确认所述门形架的对齐排列的步骤。在例示性的实施例中，所述药液吐出方法可利用上部配置所述基板的工作台上形成的对齐排列标记确认所述门形架的对齐排列。在部分例示性的实施例中，可利用形成于所述基板的对齐排列标记确认所述门形架的对齐排列。
技术效果
根据本发明的例示性实施例，向所述基板上吐出所述药液时能够改变所述喷墨头的喷嘴吐出所述药液的吐出时间点，因此所述门形架歪斜的情况下也能够向所述基板的所需部分上准确地吐出所述药液。因此通过向所述基板的稠密配置的像素区域准确地吐出所述药液，能够更有利于制造要求高清晰度的显示装置元件。
但本发明的技术效果不限于上述内容，在不脱离本发明的思想及领域的范围内可进行多种扩张。
附图说明
图1为用于说明本发明的例示性实施例的药液吐出装置的简要示意图；
图2为用于说明本发明的例示性实施例的药液吐出装置中具备的喷墨头的简要示意图；
图3及图4为用于说明本发明的例示性实施例的药液吐出方法的简要示意图。
具体实施方式
以下说明本发明的例示性实施例，但本发明可实施多种变更，可以具有多种形态，本说明书对实施例进行详细说明。但这并非旨在将本发明限定于特定的公开形态，应该理解为包括本发明的思想及技术范围内的所有变更、等同物及替代物。在说明各附图时对类似的构成要素使用类似的附图标记。第一、第二等术语可用于说明多种构成要素，但所述构成要素不得受限于所述术语。所述术语只是用于区分一个构成要素与其他构成要素。本申请中使用的术语只是用于说明特定实施例，目的并非限定本发明。单数的表现形式在文中无其他明确说明的情况下还包括复数的表现形式。应该将本申请中所述的“包括”或“构成”等术语理解为存在说明书上记载的特征、数字、步骤、动作、构成要素、部件或其组合，而不应理解为预先排除一个或多个其他特征、数字、步骤、动作、构成要素、部件或其组合的存在或附加可能性。
若无另行定义，包括技术或科学术语在内的此处使用的所有术语均表示与本发明所属技术领域的普通技术人员通常理解相同的意思。通常使用的词典中定义过的术语应解释为与相关技术的文章脉络的意思相一致的意思，本申请中没有明确定义的情况下不得解释为理想或过度形式性的意思。
以下参见附图详细说明本发明的例示性实施例的药液吐出装置。
图1例示本发明的例示性实施例的药液吐出装置的简要构成。图2例示本发明的例示性实施例的药液吐出装置中具备的喷墨头的简要构成。
参见图1及图2，例示性实施例的药液吐出装置100可包括喷墨头13、门形架15、控制部16、工作台17、基座19等。
所述喷墨头13可向基板11之类的对象上提供药液。在例示性实施例中，所述喷墨头13可包括能够向所述基板11吐出所述药液的多个喷嘴21。该情况下，所述多个喷嘴21可以以实质上均等的间隔配置于所述喷墨头13的底面上。在部分例示性实施例中，所述喷墨头13可包括多个压电元件(未示出)。所述多个压电元件可分别对应于所述多个喷嘴21。例如，所述压电元件的数量可以实质上与所述喷嘴21的数量相同。所述多个压电元件可分别配置于所述多个喷嘴21。可借助所述压电元件的动作通过所述喷嘴21向所述基板11上吐出所述药液。即，各所述压电元件可工作使得通过各所述喷嘴21向所述基板11上供应所述药液。该情况下，可通过分别控制施加到所述压电元件的电压独立地调节从所述喷嘴21吐出的所述药液的量。
在利用例示性实施例的药液吐出装置100制造显示装置的工程中，所述药液可从所述喷墨头13的多个所述喷嘴21吐出到所述基板11的像素区域。
再次参见图1，所述药液吐出装置100的门形架15可支撑所述喷墨头13。所述门形架15可具有包围所述基座19与所述工作台17的结构。如图1所示，所述门形架15可支撑所述喷墨头13使得所述喷墨头13位于所述基板11上部。例如，所述喷墨头13可被所述门形架15支撑成与位于所述工作台17上的所述基板11实质上相对。因此所述药液可从所述喷墨头13向所述基板11吐出。在部分例示性实施例中，所述药液吐出装置100可包括被所述门形架15支撑的多个喷墨头13。该情况下，所述多个喷墨头13可在所述工作台17上部实质性地排列成一列。
所述控制部16可控制所述喷墨头13使得从所述喷墨头13的各喷嘴21向所述基板11上吐出的所述药液的吐出时间点变化。换而言之，所述控制部16可以控制所述喷墨头13使得从所述喷墨头13的各喷嘴21吐出所述药液的吐出时间点不同。例如，所述控制部16可个别控制所述喷墨头13的各喷嘴21使得所述药液从所述喷嘴21以指定的时间间隔吐出到所述基板11上。
利用所述药液吐出装置100向所述基板11上吐出所述药液期间，所述控制部16可通过独立控制配置于所述喷嘴21的所述压电元件的动作改变从所述喷墨头13的喷嘴21吐出所述药液的吐出时间点。即，可通过所述控制部16使得所述药液在不同时间点吐出到所述基板11上。向所述基板11上供应所述药液时，由于所述门形架15的喷墨头13的设置及/或所述门形架15自身的热变形可引起所述门形架15歪斜。从被这样歪斜的门形架15保持的所述喷墨头13向所述基板11上吐出所述药液的情况下，所述药液可能无法从所述喷嘴21向所述基板11的像素区域上准确地吐出。其结果，所述基板11上可能无法形成所需的像素。换而言之，所述门形架15歪斜的情况下被所述门形架15支撑的所述喷墨头13可能歪斜，从而相对于所述基板11的所述喷墨头13的喷嘴21的位置可能发生变形。其结果，所述药液可能无法从所述喷墨头13的喷嘴21吐出到所述基板11的准确的吐出点。
考虑到上述问题，例示性实施例的药液吐出装置100可包括所述控制部16，因此所述药液吐出到所述基板11上时可改变从所述喷墨头13的多个喷嘴21吐出所述药液的吐出时间点。因此即使在上述所述门形架15歪斜的情况下，药液吐出装置100仍能够从被这种门形架15保持的所述喷墨头13的喷嘴21向所述基板11的所需部分，即所述像素区域内准确地吐出所述药液。换而言之，包括上述控制部16的药液吐出装置100可改变从所述喷墨头13的喷嘴21吐出所述药液的吐出时间点，因此可通过补正被所述喷嘴21提供所述药液的所述基板11的吐出点在所述基板11的所需部分上准确地吐出所述药液。
图3及图4为用于说明本发明的例示性实施例的药液吐出方法的简要示意图。
参见图3，从所述喷墨头13向所述基板11上在相同吐出时间吐出所述药液时，被向所述门形架15的前方歪斜的第一部分支撑的所述喷墨头13的喷嘴21可向所述基板11的第一部分上吐出所述药液。并且，被向所述门形架15的后方歪斜的第二部分支撑的所述喷墨头13的喷嘴21可向所述基板11的第二部分上吐出所述药液。该情况下，向所述门形架15的前方歪斜的第一部分及向所述门形架15的后方歪斜的第二部分导致所述基板11的第二部分与所述基板11的第一部分错开。虽然所述喷墨头13的喷嘴21配置成一列的情况下也可能由于所述门形架15歪斜而导致所述药液无法向所述基板11上吐出为线形态，可能吐出到所述基板11的错开的第一及第二部分上。
参见图4，所述控制部16可通过控制所述喷墨头13改变从所述喷墨头13的喷嘴21向所述基板11上吐出的所述药液的吐出时间点。在例示性实施例中，所述控制部16可控制所述喷墨头13使得被向所述门形架15的前方歪斜的第一部分支撑的所述喷墨头13的喷嘴21可通过所述控制部16在第一吐出时间点所述药液向所述基板11上供应所述药液。可调整所述药液的吐出时间点。并且，所述控制部16可控制所述喷墨头13使得被向所述门形架15的后方歪斜的第二部分支撑的所述喷墨头13的喷嘴21在第二吐出时间点向所述基板11上供应所述药液。该情况下，所述药液的第二吐出时间点可以比所述药液的第一吐出时间点相对更早。因此所述药液能够通过所述喷墨头13的喷嘴21向所述基板11的所需部分，即所述基板11的像素区域上准确地吐出。换而言之，由于能够使用所述控制部16改变从所述喷墨头13的喷嘴21吐出的所述药液的吐出时间点，因此即使是所述门形架15歪斜的情况下，所述药液也能够从所述喷墨头13的喷嘴21准确地供应到所述基板11的所需部分上。
再次参见图1及图2，所述工作台17上可配置所述基板11。例如，从所述喷墨头13的喷嘴21向所述基板11上吐出所述药液期间，所述工作台17可支撑位于其上部的所述基板11。该情况下，所述基座19可支撑所述工作台17及所述门形架15等。
再次参见图3及图4，所述药液吐出装置100可包括形成于所述工作台17上的对齐排列标记31。在另一例示性实施例中，所述药液吐出装置100可包括设于所述基板11上的对齐排列标记31。从所述喷墨头13的喷嘴21向所述基板11上吐出所述药液之前，可利用形成于所述工作台17或所述基板11上的对齐排列标记31确认所述门形架15及所述工作台17的对齐排列。通过确认所述门形架15及所述工作台17的对齐排列确定所述门形架15的歪斜程度。因此，可利用所述控制部16更精密地调整从所述喷墨头13的喷嘴21供应的所述药液的吐出时间点。
在例示性实施例中，使用所述药液吐出装置100向所述基板11供应所述药液的工程中，可在所述门形架15固定在所述基座19上的状态下移送所述基板11的同时从所述喷墨头13的喷嘴21向所述基板11上吐出所述药液。即，可在所述基板11在所述门形架15的下面移动的过程中由被所述门形架15保持的所述喷墨头13的喷嘴21向所述基板11上吐出所述药液。该情况下，所述控制部16可调整向能够在所述门形架15的下部移动的所述基板11上吐出的所述药液的吐出时间点，因此所述喷墨头13能够向所述基板11的所需部分准确地吐出所述药液。
在另一例示性实施例中，在使用所述药液吐出装置100向所述基板11上供应所述药液的工程中，所述基板11配置的工作台17固定于所述基座19上的状态下，可移动所述门形架15的同时从所述喷墨头13的喷嘴21向所述基板11上吐出所述药液。换而言之，可在所述门形架15在所述基板11上部移动的同时从被所述门形架15支撑的所述喷墨头13的喷嘴21向位于所述工作台17上的所述基板11上吐出所述药液。其中，所述控制部16能够调整从被在所述基板11上部移动的所述门形架15支撑的所述喷墨头13的喷嘴21向所述基板11上吐出的药液的吐出时间点，因此所述喷墨头13能够向所述基板11的所需部分上准确地吐出所述药液。
在例示性实施例的药液供应装置100中，从所述喷墨头13向所述基板11上供应所述药液时所述控制部16能够改变从所述喷墨头13的喷嘴21吐出所述药液的吐出时间点，因此即使是所述门形架15歪斜的情况，所述喷墨头13仍能够向所述基板11的像素区域上准确地吐出所述药液。
在例示性实施例的药液吐出方法中，能够利用可位于所述基板11上部且可被所述门形架15保持的包括所述多个喷嘴21的喷墨头13向所述基板11上吐出所述药液。向所述基板11上吐出所述药液时可通过所述控制部16改变从所述喷墨头13的喷嘴21吐出所述药液的吐出时间点。并且，向所述基板11上吐出所述药液之前可确认所述门形架15的对齐排列。可利用所述基板11所配置的所述工作台17上形成的所述对齐排列标记31或者利用形成于所述基板11上的所述对齐排列标记31确认这种所述门形架15的对齐排列。可利用所述对齐排列标记31确定所述门形架15的歪斜程度，从而可通过所述控制部16改变从所述喷墨头13的喷嘴21吐出所述药液的吐出时间点以向所述基板11的所需部分上准确地吐出所述药液。
根据本发明的例示性实施例，由于能够向基板的稠密配置的像素区域准确地吐出所述药液，因此能够更有利于制造近来要求高清晰度的显示装置元件。
以上说明了本发明的例示性实施例，但本技术领域的普通技术人员应理解可以在不超出所附权利要求记载的本发明的思想及领域的范围内对本发明进行多种修改及变更。

Claims (7)

1.一种药液吐出装置，其特征在于，包括：
喷墨头，其包括向基板上吐出药液的多个喷嘴；
门形架，其支撑所述喷墨头使得所述喷墨头位于所述基板的上部；以及
控制部，其控制所述喷墨头以改变从所述喷墨头的喷嘴吐出所述药液的吐出时间点。
2.根据权利要求1所述的药液吐出装置，其特征在于，还包括：
工作台，其上部配置所述基板；以及
对齐排列标记，其形成于所述工作台上，
其中，利用所述对齐排列标记确认所述门形架及所述工作台的对齐排列。
3.根据权利要求1所述的药液吐出装置，其特征在于，还包括：
对齐排列标记，其形成于所述基板上，
其中，利用所述对齐排列标记确认所述门形架及所述工作台的对齐排列。
4.一种药液吐出方法，其特征在于，包括：
利用位于基板上部、被门形架支撑且具有多个喷嘴的喷墨头向所述基板上吐出药液的步骤；以及
控制所述喷墨头以在向所述基板上吐出所述药液时改变从所述喷墨头的喷嘴吐出所述药液的吐出时间点的步骤。
5.根据权利要求4所述的药液吐出方法，其特征在于，还包括：
向所述基板上吐出所述药液之前确认所述门形架的对齐排列的步骤。
6.根据权利要求5所述的药液吐出方法，其特征在于：
利用上部配置所述基板的工作台上形成的对齐排列标记确认所述门形架的对齐排列。
7.根据权利要求5所述的药液吐出方法，其特征在于：
利用形成于所述基板的对齐排列标记确认所述门形架的对齐排列。
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