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A printed pixel bank structure and its preparation method

A printing-type, pixel-based technology, applied in the direction of copying/marking methods, printing, semiconductor/solid-state device manufacturing, etc., can solve the problems of printing limitations of various inks, and achieve the effect of regulating uniformity

Active Publication Date: 2020-05-12
武汉国创科光电装备有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In view of the above deficiencies in the prior art, the purpose of the present invention is to provide a printed pixel bank structure and its preparation method, aiming to solve the problem that the existing two-component bank structure has limitations in printing with various inks

Method used

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  • A printed pixel bank structure and its preparation method
  • A printed pixel bank structure and its preparation method

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Embodiment Construction

[0026] The present invention provides a printed pixel bank structure and a preparation method thereof. In order to make the purpose, technical solution and effects of the present invention clearer and clearer, the present invention will be further described in detail below. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] see figure 2 , figure 2 It is a schematic diagram of a preferred embodiment of a printed pixel bank structure in the present invention. As shown in the figure, the printed pixel bank structure includes a substrate 10, a pixel electrode 20, and a pixel bank 30 in sequence from bottom to top, wherein the pixel The bank 30 is composed of at least three bank layers stacked, the lyophobic properties of the at least three bank layers increase sequentially from bottom to top, and the lyophilic properties decrease sequentially from bottom to top.

[00...

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Abstract

The present invention discloses a printing pixel Bank structure and its preparation method. The pixel Bank structure includes substrates, pixel electrodes, and pixel banks from the bottom to top.At least three layers of bank liquid liquid increased from bottom to top, and the liquid liquid decreased from bottom to top.The present invention uses a Bank layer stacking with at least three layers of different pro -liquid liquids to form a pixel BANK. Through the design of multi -layer Bank layer, a multi -liquid liquid characteristics can be formed., Effectively regulate the uniformity of different print layers.

Description

technical field [0001] The invention relates to the field of printing, in particular to a printed pixel bank structure and a preparation method thereof. Background technique [0002] OLED and QLED displays are produced by solution processing, which has the advantages of low cost, high productivity, and easy realization of large size, and is an important direction for the development of display technology in the future. Among them, printing technology is considered to be the most effective way to realize OLED and QLED low-cost and large-area full-color display. [0003] However, as an emerging technology, solution printing technology and printing process have not been well resolved. Although researchers have improved it from the material jet printing equipment, printing problems such as the stability of the printing equipment and the uniformity of film thickness have not been able to achieve the expected results. [0004] In the process of printing process development, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/32H01L51/52H01L51/56B41M5/00
CPCB41M5/00H10K59/10H10K71/135H10K50/844H10K71/00
Inventor 陈亚文
Owner 武汉国创科光电装备有限公司
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