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Colored-film substrate, manufacturing method of colored-film substrate and display device

A technology of color film substrate and manufacturing method, which is applied in nonlinear optics, instruments, optics, etc., and can solve problems such as increased power consumption of TFT-LCD

Inactive Publication Date: 2014-05-28
BOE TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to ensure the display brightness of TFT-LCD, it is also necessary to increase the light intensity of the light source, resulting in an increase in power consumption of TFT-LCD

Method used

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  • Colored-film substrate, manufacturing method of colored-film substrate and display device

Examples

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Embodiment 1

[0034] An embodiment of the present invention provides a color filter substrate, such as figure 1 As shown, the color filter substrate includes a base substrate 1 and a color filter layer 2 located on the base substrate 1, and also includes:

[0035] The quantum dot layer 3 located on the color filter layer 2, the quantum dot layer 3 includes at least three kinds of quantum dots, and any quantum dot in the quantum dot layer 3 is excited by light to emit light of the corresponding wavelength band .

[0036] Quantum dots are extremely tiny semiconductor nanocrystals that cannot be seen by the naked eye. They are composed of zinc, cadmium, selenium, and sulfur atoms. The diameter of the particles in the crystal is usually less than 10 nanometers. It has a distinctive feature: it will emit light when stimulated by electricity or light, and produce pure color light. Specifically, the color of the emitted light is determined by the composition material, size and shape of quantum do...

Embodiment 2

[0055] The embodiment of the present invention provides a method for manufacturing the color filter substrate described in Embodiment 1, as shown in figure 2 As shown, the production method includes:

[0056] Step S101 , forming a color filter layer on a base substrate.

[0057] Step S102 , forming a quantum dot layer including at least three kinds of quantum dots on the color filter layer, and any type of quantum dot in the quantum dot layer is excited by light to emit light of a corresponding wavelength band.

[0058] Wherein, the thickness of the quantum dot layer 3 is 0.01-2 μm.

[0059] Usually, before forming the color filter layer 2, it also includes forming a black matrix 4 on the base substrate 1, and step S101 includes forming a color filter layer on the black matrix.

[0060] Further, the production method also includes:

[0061] A planarization layer and spacers are formed over the quantum dot layer.

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Abstract

An embodiment of the invention discloses a colored-film substrate, a manufacturing method of the colored-film substrate and a display device, and relates to the technical field of display. Color gamut and light transmittance of the display device can be increased on the premise of keeping same power consumption. The colored-film substrate comprises a substrate, a color filtering layer and a quantum dot layer, wherein the color filtering layer is arranged on the substrate, the quantum dot layer comprises at least three quantum dots, and any one of quantum dots in the quantum dot layer can emit light of corresponding bands under sunlight.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a color filter substrate, a manufacturing method thereof, and a display device. Background technique [0002] In recent years, with the development of science and technology, liquid crystal display technology has also been continuously improved. Thin Film Transistor-Liquid Crystal Display (TFT-LCD for short) occupies an important position in the display field due to its advantages of good image display quality, low energy consumption, and environmental protection. [0003] Among them, TFT-LCD converts the white light emitted by the light source into red, green, blue, etc. For monochromatic light, the color filter layers of different colors respectively transmit the light of the corresponding color band, so as to realize the color display of TFT-LCD or LCD. [0004] In the process of implementing the present invention, the inventors found that if the color gamut of the LCD need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1335G02F1/13357G02F1/1339G02F1/1333
CPCG02F1/133514G02F1/13394G02F2202/36
Inventor 舒适谷敬霞徐传祥姚琪齐永莲
Owner BOE TECH GRP CO LTD
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