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Quantum dot display device and application thereof

A technology of display devices and quantum dots, which is applied in the fields of instruments, optics, and electric solid-state devices, etc., can solve the problems of restricting large-scale production of products, high requirements for equipment capabilities and precision, and achieve improved light transmission rate and light efficiency, reduced power consumption, Show high-resolution effects

Pending Publication Date: 2021-04-09
SHENZHEN PLANCK INNOVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the quantum dot layer is formed by ink-jet printing using quantum dot ink, and the thickness of the quantum dot layer needs to be ensured to be 30-100nm, there are also defects that require high equipment capability and precision, which limits the product quality. mass production

Method used

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  • Quantum dot display device and application thereof
  • Quantum dot display device and application thereof
  • Quantum dot display device and application thereof

Examples

Experimental program
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Embodiment 1

[0070]This embodiment provides a quantum dot display device including a laminated blue backlight and a quantum point deposition layer (seefigure 1 ); The quantum dot deposited layer includes a quantum dot deposition substrate 10 connected to the blue backlight and is uniformly disposed on the quantum deposition substrate 10 and is 500 μm.2The red light quantity sub-deposition unit 101, the green light quantum dot deposition unit 102, the blue transmitting unit 103 and the red green light double-color quantum dotting unit 104 are four pixel units.

[0071]In this embodiment, the blue light backlight is a square point light source having a side length of 25 μm, and each pixel unit has a square point light source to provide excitation blue light in the corresponding regions of the blue backlight.

[0072]Such asfigure 2 As shown, the red light quantity sub-deposition unit 101 includes a red light quantum dot material CDSE 301 having a laminated ITO film 20 and a particle diameter of 9.5 nm, ...

Embodiment 2

[0079]This embodiment provides a quantum dot display device including a laminated blue backlight and quantum point deposition layer; the quantum dot deposition layer includes a quantum deposition substrate connected to the blue backlight connection. Uniformly disposed on the quantum dot deposition substrate and the area is 250 μm2The red light quantum dot deposition unit, green light quantum dot deposition unit, blue transmitting unit and red green light two-color quantum dot deposition unit These four pixel units.

[0080]In this embodiment, the blue light backlight is a square point source of 37.5 μm, and each pixel unit has a square point light source to provide excitation blue light in the corresponding regions of the blue backlight.

[0081]In this embodiment, the red light quantum dot deposition unit includes a red light quantum point material of a laminated ITO film and a particle diameter of 10.75 nm CSPBBR.3The ITO film is coupled to the quantum dot deposition substrate; the gree...

Embodiment 3

[0088]This embodiment provides a quantum dot display device including a laminated blue backlight and quantum point deposition layer; the quantum dot deposition layer includes a quantum deposition substrate connected to the blue backlight connection. Uniformly disposed on the quantum dot deposition substrate and the area is 750 μm2The red light quantum dot deposition unit, green light quantum dot deposition unit, blue transmitting unit and red green light two-color quantum dot deposition unit These four pixel units.

[0089]In this embodiment, the blue-ray backlight is a square point light source having a side length of 13 μm, and each pixel unit has a square point light source in the corresponding area of ​​the blue backlight to provide excitation blue.

[0090]In this embodiment, the red light quantum dot deposition unit includes a laminated ITO film and a red light quantum point material of 8.25 nm having a particle size.2The ITO film is coupled to the quantum dot deposition substrate; ...

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Abstract

The invention provides a quantum dot display device and application thereof. The quantum dot display device comprises a blue light backlight source and a quantum dot deposition layer which are arranged in a stacked mode, wherein the quantum dot deposition layer comprises a quantum dot deposition substrate and at least two pixel units uniformly arranged on the quantum dot deposition substrate; the quantum dot deposition substrate is connected with the blue light backlight source; the blue light backlight source provides excited blue light for the pixel units; and each pixel unit comprises at least one red light quantum dot deposition unit, at least one green light quantum dot deposition unit, at least one blue light transmission unit and at least one red and green light double-color quantum dot deposition unit. According to the quantum dot display device, pixel-level quantum dot arrangement can be achieved, the preparation process is simple, the product percent of pass is high, the manufacturing cost is low, and the product reliability is good.

Description

Technical field[0001]The present invention belongs to the technical field of display, and more relates to a display device, and more particularly to a quantum dot display device and its application thereof.Background technique[0002]The particle size of the quantum dot, QD) material is generally between 1-10 nm. Since the electron and holes are quantized in quantum, the continuous band structure becomes a discharge stage structure, so the light-emitting spectra is very narrow (20 -30 nm), high color purity, display color gamut is wide, can be greatly exceeded from NTSC's color gamut (>>>>100%); at the same time, the light absorption loss of the color filter is small, and low-power display can be achieved. As a new generation of luminescent materials, quantum dots are gradually emerged in LED display applications due to their special properties. The quantum dot material swines through the blue light and red light of the partial band, which can effectively improve the color...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L27/32H01L27/15H01L33/50H01L51/56G02F1/13357
CPCH01L27/156H01L33/504G02F1/133609H01L2933/0041H10K59/38H10K71/00
Inventor 高丹鹏张志宽杨丽敏徐冰孙小卫
Owner SHENZHEN PLANCK INNOVATION TECH CO LTD
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