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Full-color display component for organic and inorganic quantum dot hybridization and preparing method thereof

A full-color display and inorganic technology, which is applied in the direction of organic semiconductor devices, semiconductor/solid-state device manufacturing, electric solid-state devices, etc., can solve the problems that the life and efficiency of blue light quantum dots cannot meet the use requirements, and achieve low processing costs and high-color display. The effect of high domain height and service life improvement

Inactive Publication Date: 2017-04-26
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the life and efficiency of blue light quantum dots cannot meet the requirements for use.

Method used

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  • Full-color display component for organic and inorganic quantum dot hybridization and preparing method thereof
  • Full-color display component for organic and inorganic quantum dot hybridization and preparing method thereof
  • Full-color display component for organic and inorganic quantum dot hybridization and preparing method thereof

Examples

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Embodiment 1

[0036] A full-color display device hybridized with organic and inorganic quantum dots in this embodiment, its structural schematic diagram is as follows figure 1 As shown, the light-emitting unit is included, and the light-emitting unit is fixedly installed on the substrate. The light-emitting unit includes a blue light-emitting subunit, a green light-emitting subunit, and a red light-emitting subunit; the blue light-emitting subunit sequentially includes a blue photon unit cathode, The blue photon unit electron transport layer, the blue photon unit light emitting layer, the blue photon unit hole transport layer, the blue photon unit hole injection layer and the blue photon unit anode, and the blue photon unit light emitting layer is an organic material; The red light-emitting subunit sequentially includes the cathode of the red photon unit, the electron transport layer of the red photon unit, the light-emitting layer of the red photon unit, the hole transport layer of the red ...

Embodiment 2

[0058] A full-color display device hybridized with organic and inorganic quantum dots in this embodiment, its structural schematic diagram is as follows figure 1 As shown, the light-emitting unit is included, and the light-emitting unit is fixedly installed on the substrate. The light-emitting unit includes a blue light-emitting subunit, a green light-emitting subunit, and a red light-emitting subunit; the blue light-emitting subunit sequentially includes a blue photon unit cathode, The blue photon unit electron transport layer, the blue photon unit light emitting layer, the blue photon unit hole transport layer, the blue photon unit hole injection layer and the blue photon unit anode, and the blue photon unit light emitting layer is an organic material; The red light-emitting subunit sequentially includes the cathode of the red photon unit, the electron transport layer of the red photon unit, the light-emitting layer of the red photon unit, the hole transport layer of the red ...

Embodiment 3

[0075] An organic and inorganic quantum dot hybrid full-color display device in this embodiment is specifically an inverted quantum dot LED device structure, and its structural diagram is as follows image 3 As shown, it includes cathode, electron transport layer, interface modification layer, red, green and blue light emitting unit, hole transport layer (small molecule), hole injection layer and anode.

[0076] The device uses organic polymer PFSO as the material of the blue light-emitting layer, and simultaneously as the hole transport layer of the quantum dot LED, and the rest of the materials are the same as those in Example 1. The whole device preparation process is as follows: (1) spin-coating and processing the electron transport layer; (2) spin-coating and processing the interface modification layer; (3) ink-jet printing to prepare the red light-emitting layer; (4) ink-jet printing to prepare the green light-emitting layer (5) inkjet printing (or spin coating) to prepa...

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Abstract

The invention belongs to the display technology field and discloses a full-color display component for organic and inorganic quantum dot hybridization and preparing method thereof. The display component comprises a light emitting unit fixedly mounted on a substrate wherein the light emitting unit includes three light emitting photon units in blue, green and red respectively; each light emitting photo unit comprises the following elements in sequence: a cathode, an electron transmission layer, a light emitting layer, a hole transport layer, a hole injection layer and an anode. The light emitting layer of the blue light emitting photon unit is of organic materials; the light emitting layers of the red and green emitting photon units are of quantum dot materials; and the electron transport layers of the three light emitting photon units are of inorganic materials. According to the invention, through the use of the high efficiency and stability of the blue organic polymer materials and the high color purity of the green / red quantum dot light emitting layer materials as well as the characteristics of simple processing and in combination with the organic electron transport layer materials and the use of a solution processing method, it is possible to make a full-color display screen with high performance and high display color gamut at a low cost.

Description

technical field [0001] The invention belongs to the field of display technology, and in particular relates to a full-color display device hybridized with organic and inorganic quantum dots and a preparation method thereof. Background technique [0002] Quantum dots have the characteristics of narrow luminescence peak (30nm), high color stability and color purity, and can greatly increase the display color gamut when used in color display, up to 110% in NTSC. However, the lifetime and efficiency of blue light quantum dots cannot meet the requirements for use. Contents of the invention [0003] In order to solve the above shortcomings and deficiencies of the prior art, the primary purpose of the present invention is to provide a full-color display device in which organic and inorganic quantum dots are hybridized. [0004] Another object of the present invention is to provide a method for preparing the above-mentioned full-color display device hybridized with organic and ino...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/50H01L51/54H01L51/56B82Y30/00
CPCB82Y30/00H10K50/115H10K50/11H10K2101/10H10K50/15H10K71/00H10K2102/00
Inventor 彭俊彪王磊邹建华徐苗江从彪
Owner SOUTH CHINA UNIV OF TECH
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