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Quantum-dot thin film

A technology of quantum dots and thin films, which is applied in the field of quantum dot thin films, can solve the problems of reduced luminous efficiency, poor dispersion, mutual aggregation, etc., and achieve the effects of improved aggregation, uniform thickness, and excellent quality

Inactive Publication Date: 2018-05-29
HEESUNG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing quantum dot film 10 has the defects that the dispersibility of the quantum dots 3 in the polymer resin 5 is not good, and the quantum dots 3 and the light scattering agent 4 coagulate with each other.
[0010] Therefore, there is a problem that the luminous efficiency of light passing through the existing quantum dot film 10 is reduced.

Method used

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Embodiment Construction

[0036] The advantages and features of the present invention and methods for realizing them will be made clear with reference to the accompanying drawings and various embodiments described hereinafter. However, the present invention is not limited to the various embodiments disclosed below, but can be implemented in various ways. Only this embodiment is provided in order to complete the disclosure of the present invention and fully inform the scope of the invention to those skilled in the art, and the present invention is defined only by the scope of the claims.

[0037] Reference to elements or layers being "on" other elements or layers includes all instances where the other elements are directly on the other elements and intervening other layers or other elements.

[0038] Although first, second, etc. are used to describe various structural elements, these structural elements are not limited by these terms. These terms are only used to distinguish one structural element from...

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Abstract

The invention relates to a quantum-dot thin film which adjusts the sizes of light scattering agents contained in a light conversion layer. The quantum-dot thin film includes the light conversion layer, and is characterized in that the light conversion layer comprises multiple quantum-dots and multiple light scattering agents, and the thickness of the light conversion layer and the sizes of the light scattering agents are essentially same. According to the quantum-dot thin film, a quantum-dot thin film containing the scattering agents which the sizes and the thickness of the light conversion layer are essentially same, thus the thickness of the light conversion layer is even, the agglutination phenomenon of the quantum dots contained in the light conversion layer is improved, the color reproduction and the brightness of light emitted through the quantum dot thin film are improved, and thus the light with excellent quality can be released.

Description

technical field [0001] The present invention relates to a quantum dot film, more specifically to a quantum dot film with the size of a light scattering agent contained in a light conversion layer adjusted. Background technique [0002] Quantum dots (QD: Quantum Dot) are nanometer-sized semiconductor particles. When the quantum dot absorbs light from the excitation source and reaches an energy excited state, it releases light energy equivalent to the energy bandgap. [0003] Quantum dots are stable particles that will not be decomposed by photochemical reactions, and their light absorption power is about 100 to 1000 times better than that of ordinary phosphors. In addition, quantum dots have an advantage that by adjusting the energy band gap of quantum dots, the wavelength of light to be released can be freely adjusted. When these quantum dots are used as phosphors in liquid crystal display devices, quantum dot liquid crystal displays (QD-LCD: Quantum Dot-Liquid Crystal Dis...

Claims

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Application Information

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IPC IPC(8): G02F1/13357
CPCG02F1/1336G02F1/133606G02F1/133614
Inventor 尹娜莱
Owner HEESUNG ELECTRONICS
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