Substrate for inkjet printing and manufacturing method thereof

An inkjet printing and substrate technology, applied in printing, semiconductor devices, electrical components, etc., can solve problems such as color mixing of adjacent pixels, and achieve the effect of solving color mixing

Active Publication Date: 2020-09-08
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a substrate for inkjet printing and its manufacturing method to solve the problem of color mixing between adjacent pixels in the inkjet printing process

Method used

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  • Substrate for inkjet printing and manufacturing method thereof
  • Substrate for inkjet printing and manufacturing method thereof
  • Substrate for inkjet printing and manufacturing method thereof

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Embodiment Construction

[0058] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present invention can be practiced. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., are for reference only The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the present invention, but not to limit the present invention. In the figures, structurally similar units are denoted by the same reference numerals.

[0059] The present invention proposes a substrate for inkjet printing and its manufacturing method, by adding a siloxane-containing oligomer as a modified material to the photosensitive polymer material solution used to form the pixel defining layer, so that the After the pixel defining layer is formed on the substrate, the concentration of the siloxane-containing ol...

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Abstract

The invention provides a substrate for inkjet printing. The substrate for inkjet printing includes a bottom plate and a pixel defining layer, the pixel defining layer is arranged on the bottom plate, and the pixel defining layer at least includes siloxane or fluorine-containing oligomer. The pixel defining layer has different hydrophilicity and hydrophobicity from top to bottom, so as to solve the problem of color mixing between adjacent pixels during inkjet printing.

Description

【Technical field】 [0001] The invention relates to display technology, in particular to a substrate for inkjet printing and a manufacturing method thereof. 【Background technique】 [0002] With the rapid development of display technology, both quantum dot (quantum dot, QD) and organic light emitting diode (organic light emitting diode, OLED) displays have unique and superior performances, and both can be used as next-generation display technologies. No matter in the manufacturing process of quantum dots or OLED displays, inkjet printing (inkjet printing, IJP) is usually used to form the light emitting layer. This is because, compared with the traditional liquid crystal display (LCD) manufacturing process which uses coating to form the light-emitting layer, inkjet printing can significantly avoid material waste, save material costs and production costs. Therefore, the wide application of inkjet printing technology is undoubtedly a research focus of current display technology. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/32B41J2/01
CPCB41J2/01H10K59/122
Inventor 查宝
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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