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Electrowetting substrate, manufacturing method thereof and electrowetting display device

A manufacturing method and electrowetting technology, applied in the field of electrowetting, can solve the problem of low surface energy of the hydrophobic layer, and achieve the effects of improving service life, reducing manufacturing process, and stabilizing performance

Inactive Publication Date: 2015-06-03
SOUTH CHINA NORMAL UNIVERSITY +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention aims at the problem that the surface energy of the hydrophobic layer of the electrowetting substrate is low, and it needs to be modified by ion etching and other technologies to manufacture a pixel grid structure on its surface, and provides a manufacturing method of the electrowetting substrate

Method used

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  • Electrowetting substrate, manufacturing method thereof and electrowetting display device
  • Electrowetting substrate, manufacturing method thereof and electrowetting display device
  • Electrowetting substrate, manufacturing method thereof and electrowetting display device

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Embodiment Construction

[0029] refer to figure 1 , the manufacturing method of the electrowetting substrate 2 with the pixel wall structure of the present invention comprises the following steps:

[0030] 1) Clean the conductive plate 21.

[0031] The conductive plate 21 can be a traditional conductive glass substrate, such as an ITO glass substrate, or a conductive flexible substrate, such as a PET substrate; the cleaned conductive plate 21 is dried at <120° C. for use.

[0032] 2) Deposit the insulating layer 22 .

[0033] This step is an optional step, which is selected according to the requirements of the electrowetting device for insulation performance.

[0034] The insulating layer 22 material can be silicon nitride (Si 3 N 4 ), silicon dioxide or Parylene, etc., wherein Parylene can be any of Parylene C, Parylene D, Parylene N, Parylene HT and other series products; LP-CVD (low pressure chemical vapor deposition) technology can be used at a relatively high Use vertical or horizontal tube ...

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Abstract

The invention discloses an electrowetting substrate, a manufacturing method thereof and an electrowetting display device. The electrowetting substrate has a pixel wall structure. The manufacturing method sequentially comprises the steps: preparing a conductive plate; forming a patterned hydrophobic layer on the conductive plate through inkjet printing, wherein the hydrophobic layer only covers a display area enclosed by a pixel wall; baking a printed electrowetting substrate. According to the electrowetting substrate, the manufacturing method thereof and the electrowetting display device, the hydrophobic layer with a pattern structure is formed through direct printing by using an inkjet printing technology, thus, each exposed substrate surface among pixels can directly meet the requirements on photoresist coating, the aim of being capable of manufacturing the pixel wall on the surface of the hydrophobic layer without surface modification is achieved, manufacturing procedures of the electrowetting substrate are reduced, and the hydrophobic property of the hydrophobic layer is kept, so that the performance of an electrowetting device is more stable, and the service life of the display device is effectively prolonged.

Description

technical field [0001] The invention relates to the field of electrowetting technology, in particular to a method for manufacturing an electrowetting substrate, and the obtained electrowetting substrate and an electrowetting display device. Background technique [0002] Inkjet printing technology has the advantages of fast printing speed, low price and environmental protection. In recent years, as the market demand for thinner and lighter electronic display products has increased, flat panel display technology has become increasingly mature. And with the rapid development of printing technology, inkjet printing has attracted attention as a new film-forming technology. In recent years, new organic optoelectronic materials have been researching how to use printing methods to make displays. Among them, the inkjet printing technology of OLED displays has achieved preliminary success. Foreign companies have successfully manufactured printers that can directly print organic light...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/00
Inventor 郭媛媛罗伯特·安德鲁·海耶斯周国富
Owner SOUTH CHINA NORMAL UNIVERSITY
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