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OLED display panel and its preparation method

A display panel and array substrate technology, which is applied in semiconductor/solid-state device manufacturing, organic semiconductor devices, semiconductor devices, etc., can solve the problems of low light output efficiency of OLED display panels, and achieve the effect of improving light output efficiency and optical coupling rate

Active Publication Date: 2020-04-10
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an OLED display panel, which can solve the problem of low light extraction efficiency of the existing OLED display panel

Method used

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  • OLED display panel and its preparation method
  • OLED display panel and its preparation method
  • OLED display panel and its preparation method

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Embodiment Construction

[0030] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [top], [bottom], [front], [back], [left], [right], [inside], [outside], [side], etc., are only for reference 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 elements are denoted by the same reference numerals.

[0031] The present invention is aimed at the existing OLED display panel. Since the OLED device is provided with a microlens structure, the microlens is usually prepared by inkjet printing technology, and the ink droplet has a relatively large polarity and is printed on the surface of the film layer with a small contact angle. It is easy to wet the surface of the film ...

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Abstract

An OLED display panel and a preparation method thereof, comprising a TFT array substrate, an OLED light-emitting layer, an encapsulation layer, an induction layer arranged on the light-emitting side of the OLED light-emitting layer, a microlens array film arranged on the induction layer, and an induction layer arranged on the induction layer The organic hydrophobic layer between the microlens array film. The beneficial effect is that by setting an organic hydrophobic layer with a strong hydrophobic effect, a film layer surface with a large water contact angle is provided for the subsequent preparation of the microlens array film, the light coupling rate of the microlens is improved, and the light extraction efficiency of the OLED light-emitting layer is improved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an OLED display panel and a preparation method thereof. Background technique [0002] OLED devices have the advantages of light weight, wide viewing angle, fast response speed, low temperature resistance, and high luminous efficiency. application prospects. However, the light extraction efficiency of OLED devices is still low at present, so how to effectively improve the light extraction efficiency of OLED devices is still a challenge. [0003] Relevant studies have shown that doping an appropriate amount of small-sized transparent particles in the light-transmitting film layer can improve the light extraction efficiency of the film layer. The current micro lens (micro lens) technology is based on this theoretical basis. The current micro lens process mainly It is realized by using IJP (ink jet printing, inkjet printing) technology. However, the materials commonly used in the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/52
CPCH10K50/85H10K50/844H10K50/858H10K2102/3023
Inventor 郭天福
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD