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Inkjet printing apparatus

A technology of inkjet printing and equipment, which is applied in the field of inkjet printing equipment with a defect rate, and can solve the problems such as the reduction of the purity of the organic light-emitting layer

Pending Publication Date: 2020-04-10
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the purity of the organic light-emitting layer decreases with the

Method used

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  • Inkjet printing apparatus
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Examples

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Embodiment Construction

[0031] It will be understood that when an element such as a region, layer or section is referred to as being "on" another element, it can be directly on the other element or one or more intervening elements may also be present.

[0032] The same reference numerals denote the same elements throughout. Also, in the drawings, the thickness, proportions, and dimensions of components are exaggerated for clarity of illustration.

[0033] As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0034] It will be understood that although the terms "first" and "second" are used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one component from another. For example, an element referred to as a first element in one embodiment can be referred to as a second element in another embodiment. The terms of a singular form may include a plural form unl...

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PUM

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Abstract

Provided is an inkjet printing apparatus. The inkjet printing apparatus includes a first stage on which a substrate is disposed, an ink storage portion including ink and a plurality of pollutant adsorption balls dispersed in the ink, a head portion including a nozzle configured to eject the ink supplied from the ink storage portion to the substrate, and a gas discharging portion disposed on a sideof the ink storage portion.

Description

[0001] This application claims priority from Korean Patent Application No. 10-2018-0117313 filed on October 2, 2018, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0002] The present disclosure relates to an inkjet printing device, and more particularly, to an inkjet printing device capable of reducing a defect rate of an organic light emitting layer in a display device. Background technique [0003] Recently, an organic light emitting diode (OLED) display device has attracted attention as a next-generation flat panel display device because it has excellent luminance characteristics and viewing angle characteristics and does not require an additional light source unlike a liquid crystal display device. Since no additional light source is required, the OLED display device can be manufactured to have a light weight and a thin profile. In addition, OLED display devices have low power consumption, high brightness, and high response...

Claims

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Application Information

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IPC IPC(8): B41J2/01B41J2/20B41J2/17
CPCB41J2/01B41J2/20B41J2/17B41J2/16517B41J2/17513B01D2253/108B01D2253/308B01D2257/106B01D2257/306B01D2257/302B01D2257/406H10K71/135H10K71/00B41J2/1714B41J2/17596B41J2/16535B41J2202/02B01D53/10B41J2/17566
Inventor 姜仑昊
Owner SAMSUNG DISPLAY CO LTD