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Display device and preparation method thereof

A technology of display devices and flexible polymers, which is applied in the direction of electrical components, electric solid devices, circuits, etc., can solve the problems of low yield rate and complex processing technology of display devices, and achieve cost saving, easy industrial use, and simplified process steps Effect

Active Publication Date: 2017-11-07
BLACK COW FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defects of complex processing technology and low yield rate of display devices in the prior art

Method used

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  • Display device and preparation method thereof
  • Display device and preparation method thereof
  • Display device and preparation method thereof

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Embodiment 1

[0033] An embodiment of the present invention provides a display device, such as image 3 As shown, the third flexible polymer layer 4 is included, and the LED pixel array 1 is directly formed on the third flexible polymer layer 4; the LED pixel array 1 is directly formed on the third flexible polymer layer 4, and the LED pixel array 1 is a first flexible polymer layer 2 for encapsulation; and a second flexible polymer layer 3 filled in the LED pixel array.

[0034] The preparation method of the display device, such as figure 1 shown, including the following steps:

[0035] S10: forming a flexible LED pixel array 1 and electrodes on the substrate.

[0036] The substrate in this embodiment is a rigid substrate, because the use of a rigid substrate can reduce the possible displacement of the LED pixel array 1 during the manufacturing process. For example, the rigid substrate can be a sapphire substrate, a silicon carbide substrate or a silicon substrate, etc., but the protect...

Embodiment 2

[0058] In this embodiment, a display device is provided, the structure of which is as follows image 3 shown. Wherein, please refer to Embodiment 1 for the manufacturing method of the display device, which will not be repeated here. The display device includes a pixel array of light-emitting diodes, in image 3 Only three groups of light emitting diodes are taken as an example for detailed description, but the protection scope of the present invention is not limited thereto, and the display device may include any number of light emitting diodes.

[0059] The display device in this embodiment includes an LED pixel array 1 composed of LEDs, and a first flexible polymer layer 2 covering the LEDs, the first flexible polymer layer 2 is used to carry out the LED pixel array 1 encapsulation. As an optional embodiment of the present invention, the light-emitting diode can be any one of red light-emitting diode, green light-emitting diode, blue light-emitting diode, yellow light-emi...

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Abstract

The present invention relates to the display technology field, and provides a display device and a preparation method thereof, wherein the preparation method comprises the following steps of firstly forming a light-emitting diode pixel array on a substrate; secondly, forming a first flexible polymer layer covering the pixel array on the substrate; and then peeling the substrate. According to the present invention, by forming the first flexible polymer layer covering the pixel array on the substrate directly, the process steps are simplified while the flexibility of the display device is realized, the process yield is improved, the cost is saved, and the industrial usage is easy.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a display device and a preparation method thereof. Background technique [0002] Micro-LED display technology can provide high contrast and refresh rate, as well as wide viewing angle. Compared with OLED display technology, Micro-LED has a wider color gamut, higher brightness, lower power consumption and longer lifespan. Therefore, Micro-LED display technology has broad development space. In addition, Micro-LED is easy to integrate sensors and circuits, and can create thin displays with embedded sensing capabilities such as fingerprint recognition and gesture control. It is expected to have great application potential in the display application field of augmented reality and mixed reality (AR / MR). [0003] Existing Micro-LED display devices are usually prepared by the following method: firstly, a micro-LED array is formed on the original substrate; then the micro-LED array is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L33/56H01L27/15
CPCH01L27/156H01L33/56H01L2933/005
Inventor 邢汝博杨小龙单奇林立蔡世星
Owner BLACK COW FOOD