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Preparation method of QLED display panel and QLED display panel

A technology for display panels and driving substrates, which is applied in the manufacture of semiconductor/solid-state devices, electrical components, and electrical solid-state devices.

Pending Publication Date: 2022-03-11
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present application provides a method for preparing a QLED display panel and a QLED display panel to solve the problem of uneven film thickness caused by the coffee ring effect in the inkjet printing process

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  • Preparation method of QLED display panel and QLED display panel
  • Preparation method of QLED display panel and QLED display panel
  • Preparation method of QLED display panel and QLED display panel

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0037] see figure 1 , figure 1It is a flow chart of the manufacturing method of the QLED display panel provided in the embodiment of the present application. The embodiment of the present application provides a method for preparing a QLED display panel, including:

[0038] 100, see figure 2 , a driving substrate 10 is provided, and the driving substrate 10 includes a base 11 and a first electrode 51 disposed on the base 11 .

[0039] 200, see Figure 3A to Figure 3B , prov...

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Abstract

The embodiment of the invention provides a preparation method of a QLED display panel and the QLED display panel. According to the preparation method of the QLED display panel provided by the embodiment of the invention, the first transmission layer, the quantum dot layer and the second transmission layer are prepared by adopting an electro-deposition method, so that the first transmission layer, the quantum dot layer and the second transmission layer can respectively form film layers with uniform thickness; the problem that the thickness of a film layer is not uniform due to the coffee ring effect in the ink-jet printing process is solved, and the preparation method further has the advantages of being convenient to process, capable of saving raw materials, high in processing efficiency, low in cost and the like.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a method for preparing a QLED display panel and the QLED display panel. Background technique [0002] QDs, also known as semiconductor nanocrystals (nanocrystals, NCs), refer to three-dimensionally confined nanomaterials whose radii are smaller than or close to the exciton Bohr radius, have tunable band gaps, long carrier lifetimes, and solution-processed properties, QDs are therefore a promising functional material with great potential for the development of low-cost and high-performance photodetectors. [0003] Among many next-generation light-emitting display devices, Quantum Dot Light Emitting Diodes (QLEDs) have unique advantages, such as wide color gamut, high purity, high brightness, low voltage, and extremely thin appearance, so they have great potential. Prospects. At present, QLED is usually prepared by inkjet printing process, but this technology is still ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/56H01L51/50
CPCH10K71/15H10K71/135H10K50/115
Inventor 赵金阳陈黎暄石志清
Owner SHENZHEN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
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