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Double-sided display device and preparation method thereof

A double-sided display device and electron transport layer technology, which is applied in semiconductor/solid-state device manufacturing, semiconductor devices, electrical components, etc., can solve problems that do not meet light and thin and high cost performance, high manufacturing cost, and heavy weight, and achieve light weight , Reduce production cost, easy to achieve effect

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

AI Technical Summary

Problems solved by technology

[0004] The double-sided display device formed by assembling two single-sided display panels back-to-back has a relatively thick structure and heavy weight, and high manufacturing costs, which do not meet the requirements of consumers' expectations of thinness and cost-effectiveness.

Method used

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  • Double-sided display device and preparation method thereof
  • Double-sided display device and preparation method thereof
  • Double-sided display device and preparation method thereof

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. Examples of these preferred embodiments are illustrated in the accompanying drawings. The embodiments of the invention shown in and described with reference to the drawings are merely exemplary, and the invention is not limited to these embodiments.

[0026] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the related Other details are not relevant to the invention.

[0027] This embodiment firstly provides a double-sided display device, such as figure 1 As shown, the double-sided display device includes a first OLED display panel...

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Abstract

The invention discloses a double-sided display device, comprising a first OLED display panel and a second OLED display panel with display surfaces facing away from each other, and the first OLED display panel and the second OLED display panel have a common shared cathode layer; The first OLED display panel includes a first electron transport layer, a first light-emitting layer, a first hole transport layer, a first anode layer, and a first array substrate sequentially stacked on the first surface of the shared cathode layer; The second OLED display panel includes a second electron transport layer, a second light-emitting layer, a second hole transport layer, a second anode layer and a second array substrate sequentially stacked on the second surface of the shared cathode layer . The present invention also provides a method for preparing the above-mentioned double-sided display device. Compared with the prior art, the present invention obtains a lighter and thinner double-sided display device.

Description

technical field [0001] The invention relates to the field of flat panel display technology, in particular to a double-sided display device and a preparation method thereof. Background technique [0002] The flat panel display device has many advantages such as thin body, power saving, and no radiation, and has been widely used. Existing flat panel display devices mainly include liquid crystal display (Liquid Crystal Display, LCD) and organic light emitting diode (Organic Light Emitting Diode, OLED) display devices. [0003] At present, the forms of electronic products tend to be diversified, and the double-sided display function has become an important feature of the new generation of electronic products. For example, the double-sided display device inside the mobile phone can display the main function window of the mobile phone on one side, and the time on the other side; for example, using a double-sided display in public places allows people on both sides of the display ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L27/32H01L51/56
CPCH10K59/128H10K71/50H10K71/40
Inventor 徐超
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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