Quantum dot LED (light emitting diode) display panel and display device

A technology of display panels and quantum dots, which is applied to identification devices, instruments, semiconductor devices, etc., can solve the problems of loss of light filtering effect of color blocking layer and low light transmittance, and achieve the effect of improving light transmittance and reducing light.

Active Publication Date: 2013-08-28
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
View PDF5 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, in this mode, due to the existence of the color-resist layer composed of red color resistance, green color resistance and blue color resistance, when the light emitted by the photoluminescent quantum dot material layer passes through the color-resist layer, due to the light filtering of the color-resist layer There will be a lot of loss in the effect (at least 1 / 3 loss), and there is a problem of low light transmittance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Quantum dot LED (light emitting diode) display panel and display device
  • Quantum dot LED (light emitting diode) display panel and display device
  • Quantum dot LED (light emitting diode) display panel and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1 of the present invention provides a quantum dot LED display panel. The structure of the quantum dot LED display panel can be as follows image 3 As shown, it includes a color resist layer 30, a transparent substrate 31, a transparent electrode layer 32, a photoluminescent quantum dot material layer 33, an electroluminescent quantum dot material layer 34 and a conductor layer 35, wherein the transparent substrate 31 can be but not Limited to a glass substrate, the transparent electrode layer 32 may be, but not limited to, an indium tin oxide (ITO) layer, and:

[0045] The transparent substrate 31 is located on the side of the transparent electrode layer 32 away from the conductive layer 35;

[0046] The photoluminescent quantum dot material layer 33 and the electroluminescent quantum dot material layer 34 are located between the transparent electrode layer 32 and the conductor layer 35;

[0047] The electroluminescent quantum dot material layer 34 includes ...

Embodiment 2

[0055] Embodiment 2 of the present invention provides a quantum dot LED display panel. The structure of the quantum dot LED display panel can be as follows: Figure 4 As shown, since this embodiment is formed on the basis of Embodiment 1, the parts with the same structure will not be described again. This embodiment is further refined on the basis of Embodiment 1, wherein:

[0056] The electroluminescent quantum dot material layer 34 includes a blue-violet photoluminescent quantum dot material, which is a quantum dot material that emits blue light in an electrified state.

[0057] The photoluminescence quantum dot material layer 33 includes a broadband yellow light photoluminescence quantum dot material, and the broadband yellow light photoluminescence quantum dot material is a quantum dot material that emits broadband yellow light when excited by light.

[0058] The color resistance layer 30 includes a red color resistance 301 and a green color resistance 302:

[0059] A pa...

Embodiment 3

[0063] Embodiment 3 of the present invention provides a quantum dot LED display panel, the structure of the quantum dot LED display panel can be as follows Figure 5 As shown, like Embodiment 2, this embodiment is formed on the basis of Embodiment 1, and the same structure will not be repeated. This embodiment further refines Embodiment 1, wherein:

[0064] The electroluminescent quantum dot material layer 34 includes blue-violet photoluminescent quantum dot material.

[0065] The photoluminescent quantum dot material layer 33 includes a broadband yellow light photoluminescent quantum dot material.

[0066] The color resistance layer 30 includes a red color resistance 301, a green color resistance 302, and a yellow color resistance 303:

[0067] A part of the second part of the electroluminescent quantum dot material layer 34 corresponds to the area where the red color resistance 301 is located, a part corresponds to the area where the green color resistance 302 is located, a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The embodiment of the invention provides a quantum dot LED (light emitting diode) display panel and a display device. The quantum dot LED display panel comprises the following realization steps that light rays emitted by an electroluminescent quantum dot material layer pass through a white color barrier to be emitted out, and/or do not need to pass through the color barrier to be directly emitted, and in addition, at least one part of light rays emitted by the electroluminescent quantum dot material layer pass through the color barrier to be emitted out, so the color display is realized. Compared with the prior art, the quantum dot LED display panel has the advantages that all light rays emitted by the electroluminescent quantum dot material layer are used for exciting the electroluminescent quantum dot material layer to give out light, the light rays emitted by the electroluminescent quantum dot material layer are utilized to pass through the color barrier in three colors, the color display scheme is realized, because the light rays emitted by the electroluminescent quantum dot material layer do not need to be filtered, the light rays absorbed by the color barrier layer are reduced, and the light transmittance of the quantum dot LED display panel can be effectively improved.

Description

technical field [0001] The present invention relates to the field of LED (light-emitting diode, light emitting diode) display, in particular to a quantum dot light emitting diode (quantum dot LED) display panel and a display device. Background technique [0002] Quantum dots are extremely small semiconductor nanocrystals invisible to the naked eye, and have a distinctive property: whenever stimulated by light or electricity, quantum dots emit colored light, which allows quantum dots to Changes the color of the light emitted by the light source. Quantum dot LED display panel is a display panel that can use quantum dots to realize color display. [0003] At present, when quantum dot LED display panels realize color display, the following methods are generally used: [0004] Method 1. Using three-color quantum dot materials to realize [0005] In this method, if figure 1 As shown, an indium tin oxide (ITO) layer 12 is photoetched on a glass substrate 11 (the ITO layer serve...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G09F9/33H01L33/04
Inventor 吴章奔霍思涛
Owner SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap