WO2019227699A1 - 一种量子点彩色滤光片基板及显示面板 - Google Patents

一种量子点彩色滤光片基板及显示面板 Download PDF

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Publication number
WO2019227699A1
WO2019227699A1 PCT/CN2018/101682 CN2018101682W WO2019227699A1 WO 2019227699 A1 WO2019227699 A1 WO 2019227699A1 CN 2018101682 W CN2018101682 W CN 2018101682W WO 2019227699 A1 WO2019227699 A1 WO 2019227699A1
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Prior art keywords
quantum dot
infrared
red
green
material layer
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French (fr)
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黄长治
杨超群
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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Priority to US16/207,227 priority Critical patent/US10914980B2/en
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/20Filters
    • G02B5/201Filters in the form of arrays
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133514Colour filters

Definitions

  • the invention relates to the technical field of liquid crystal display, in particular to a quantum dot color filter substrate and a display panel.
  • Quantum dot color filters can effectively improve the color gamut of LCD displays.
  • quantum dot color filters usually use blue light to emit red and green light. Part of the transmitted blue light will reduce the red and green light. Luminous purity, reducing the utilization of quantum dots.
  • the thickness of the barrier layer capable of absorbing blue light is large, which is not conducive to miniaturization of the LCD display.
  • the inventor of the present application has found that the existing color filters have poor luminous purity and are not conducive to thinning and thinning the display.
  • the technical problem mainly solved by the present invention is to provide a quantum dot color filter substrate and a display panel, which can improve the luminous purity of the color filter and is beneficial to the thinning and thinning of the display.
  • a technical solution adopted by the present invention is to provide a quantum dot color filter substrate.
  • the quantum dot color filter substrate includes:
  • a quantum dot light conversion layer is formed on the glass substrate and includes a plurality of sequentially arranged quantum dot portions, the quantum dot portions including a red quantum dot portion, a green quantum dot portion, and a blue quantum dot portion;
  • the red quantum dot portion and the green quantum dot portion include an infrared quantum dot material
  • the infrared quantum dot material includes a quantum dot core and a stabilizer coated on the periphery of the quantum dot core, the quantum dot core is a quantum dot inorganic substance, and the stabilizer is an organic substance;
  • the diameter of the infrared quantum dot material is 1-10 nm.
  • a technical solution adopted by the present invention is to provide a quantum dot color filter substrate.
  • the quantum dot color filter substrate includes:
  • a quantum dot light conversion layer is formed on the glass substrate and includes a plurality of sequentially arranged quantum dot portions, the quantum dot portions including a red quantum dot portion, a green quantum dot portion, and a blue quantum dot portion;
  • the red quantum dot portion and the green quantum dot portion include an infrared quantum dot material.
  • another technical solution adopted by the present invention is to provide a display panel.
  • the panel includes a quantum dot color filter substrate, and the quantum dot color filter substrate includes:
  • a quantum dot light conversion layer is formed on the glass substrate and includes a plurality of sequentially arranged quantum dot portions, the quantum dot portion including a red quantum dot portion, a green quantum dot portion, and a blue quantum dot portion;
  • the red quantum dot portion and the green quantum dot portion include an infrared quantum dot material.
  • the beneficial effect of the present invention is that, unlike the case of the prior art, the present invention adds an infrared quantum dot material to the red quantum dot part and the green quantum dot part of the quantum dot part, and can transmit through the infrared quantum dot material.
  • the red quantum dots and the green quantum dots are effectively absorbed by blue light as a quantum dot excitation source, thereby improving the luminous purity of red light and green light in the quantum dot color filter and improving the product quality; at the same time, the infrared quantum The dot material has a good absorption effect on blue light as a quantum dot excitation source, and it is not necessary to limit the thickness and amount of the infrared quantum dot material, which is beneficial to the thinning and thinning of the display.
  • FIG. 1 is a schematic structural diagram of an embodiment of a quantum dot color filter substrate according to the present invention.
  • FIG. 2 is a schematic structural diagram of an embodiment of a cross-section of the quantum dot color filter substrate in FIG. 1;
  • FIG. 3 is a schematic structural diagram of another embodiment of a cross-section of the quantum dot color filter substrate in FIG. 1;
  • FIG. 4 is a schematic structural view of a third embodiment of the cross-section of the quantum dot color filter substrate in FIG. 1;
  • FIG. 5 is a schematic structural diagram of an embodiment of a display panel according to the present invention.
  • FIG. 1 is a schematic structural diagram of an embodiment of a quantum dot color filter substrate according to the present invention.
  • the quantum dot color filter substrate includes:
  • an infrared quantum dot material is added to the red quantum dot portion 211 and the green quantum dot portion 213 of the quantum dot sub-pixel portion, and the red quantum dot portion 211 and the red quantum dot portion can be transmitted through the infrared quantum dot material pair.
  • the blue light used as the excitation source of the quantum dots in the green quantum dot portion 213 effectively absorbs the luminous purity of the red and green light in the quantum dot color filter, and improves the product quality.
  • the infrared quantum dot material pair serves as a quantum dot.
  • the blue light of the excitation source has a good absorption effect, and it is not necessary to limit the thickness and amount of the infrared quantum dot material, which is beneficial to the thinning and thinning of the display.
  • the quantum dot color filter substrate further includes a black matrix 220 for separating each of the quantum dot sub-pixel portions, and a cross section of the black matrix 220 is an inverted trapezoid.
  • the infrared quantum dot material is distributed in a variety of manners in the red quantum dot portion and the green quantum dot portion.
  • FIG. 2 is a diagram A schematic structural view of an embodiment of the cross section of the quantum dot color filter substrate in 1; the red quantum dot portion 211 and the green quantum dot portion 213 include an infrared quantum dot material. That is, the infrared quantum dot material can be doped in the raw material of the red quantum dot portion 211 and the raw material of the green quantum dot portion 213, and the red quantum dot portion 211 and the green quantum can be prepared by a process such as coating or deposition. Point section 213.
  • the addition amount of the infrared quantum dot material has a significant effect on the absorption effect of blue light as a quantum dot excitation source. In order to obtain a better absorption effect of the blue light, and to avoid the infrared quantum dot material from agglomerating, the infrared quantum dot is affected. For the stability of the material, in the raw material of the red quantum dot part and the raw material of the green quantum dot part, it is necessary to select an appropriate addition amount of the infrared quantum dot material.
  • the mass fraction of the infrared quantum dot material in the raw material of the red quantum dot portion is 0.1% -20%, such as 0.1%, 1%, 5%, 10%, or 20%, etc .; the green quantum dot portion
  • the mass fraction of the raw materials is 0.1% -20%, such as 0.1%, 1%, 5%, 10% or 20%.
  • the quantum dot color filter substrate 100 further includes a planarization layer 300 covering the quantum dot light conversion layer 200.
  • the planarization layer 300 is made of a transparent material, and the transparent material may It is an epoxy-based polymer material or polymethyl methacrylate; the planarization layer 300 is used to increase surface smoothness and protect the quantum dot light conversion layer 200.
  • FIG. 3 is a diagram 1 is a schematic structural view of another embodiment of a cross section of the quantum dot color filter substrate, and the substrate further includes: a first infrared quantum dot material layer 214 formed between the glass substrate 100 and the red quantum dot portion 211; A second infrared quantum dot material layer 215 is formed between the glass substrate 100 and the green quantum dot portion 213. That is, in addition to the infrared quantum dot material existing in the red quantum dot portion 211 and the green quantum dot portion 213, the infrared quantum dot material also exists in the first quantum dot portion between the glass substrate 100 and the red quantum dot portion 211.
  • the thickness of the first infrared quantum dot material layer 214 and the thickness of the second infrared quantum dot material layer 215 can be adjusted by the concentration and / or particle size of the infrared quantum dot material. Specifically, within a certain range, as the concentration of the infrared quantum dot material increases and the particle size of the infrared quantum dot material increases, the infrared quantum dot material has a better absorption effect on blue light as a quantum dot excitation source.
  • the thickness of the first infrared quantum dot material layer 214 and the second infrared quantum dot material layer 215 The thickness is not more than 2um, for example, 1um, 1.2um, 1.4um, 1.6um, 1.8um, or 2um.
  • the thickness of the first infrared quantum dot material layer 214 and the thickness of the second infrared quantum dot material layer 215 are the same or different. In one embodiment, the thickness of the first infrared quantum dot material layer 214 and the second infrared quantum The thickness of the dot material layer 215 is the same, which is helpful to simplify the production process and reduce the production cost.
  • different thicknesses of the first infrared quantum dot material layer 214 and different thicknesses of the second infrared quantum dot material layer 215 may be determined according to a requirement for a display effect.
  • FIG. 4 is a diagram The structure of the third embodiment of the cross section of the quantum dot color filter substrate in FIG. 1.
  • the red quantum dot sub-pixel portion 211 includes a first infrared quantum dot material layer 2112 and a red quantum dot color layer 2111.
  • the green quantum dot sub-pixel portion. 213 includes a second infrared quantum dot material layer 2132 and a green quantum dot color layer 2131: the first infrared quantum dot material layer 2112 is formed between the glass substrate 100 and the red quantum dot color layer 2111; a second infrared quantum dot material A layer 2132 is formed between the glass substrate 100 and the green quantum dot color layer 2131.
  • the red quantum dot portion 211 and the green quantum dot portion 213 are distributed in the same manner in the infrared quantum dot material, which facilitates simplifying the manufacturing process of the quantum dot color filter and improves production efficiency.
  • the infrared quantum dot material has a core-shell structure, and includes a quantum dot core and a stabilizer covering the periphery of the quantum dot core.
  • the quantum dot core is a quantum dot inorganic substance
  • the stabilizer is an organic substance.
  • the quantum dot core includes Cd-based, Cu-based, Ag -Based, Pb-based, Si-based, or Zn-based quantum dot inorganic compounds, or a combination of two or more;
  • the stabilizer includes one or two or more of thioglycolic acid, thioethylamine, or cysteine The stabilizer is used to stabilize the structure of the infrared quantum dot material and adjust the polarity of the infrared quantum dot material.
  • the particle size of the infrared quantum dot material will significantly affect its absorption effect on blue light. This is because for infrared quantum dot materials, different particle diameters will have different absorption spectrums.
  • the absorption spectrum is adjusted to make it strongly absorb blue light and green light and red light. Weak absorption can achieve the effect of effectively absorbing blue light as a quantum dot excitation source, and improving the luminous purity of red light and green light in the quantum dot color filter.
  • the diameter of the infrared quantum dot material is 1-10 nm, for example, 1 nm, 3 nm, 5 nm, 7 nm, 9 nm, or 10 nm.
  • FIG. 5 is a schematic structural diagram of an embodiment of a display panel according to the present invention.
  • the panel 1 includes any one of the quantum dot color filter substrates 10 described above.
  • the panel 1 is used to prepare a quantum dot liquid crystal display.
  • the quantum dot liquid crystal display may be a display of a terminal such as a mobile phone, a tablet computer, or a television.
  • the quantum dot liquid crystal display is a large-sized television.
  • the large-sized TV is larger than 70 inches, such as 88 inches or 108 inches.
  • the present invention discloses a quantum dot color filter substrate and a quantum dot liquid crystal panel.
  • the quantum dot color filter substrate includes a glass substrate and a quantum dot light conversion layer formed on the glass substrate. , Which includes a plurality of sequentially arranged quantum dot portions, the quantum dot portions including a red quantum dot portion, a green quantum dot portion, and a blue quantum dot portion; wherein the red quantum dot portion and the green quantum dot portion include Infrared quantum dot material.
  • the present invention can improve the luminous purity of the color filter, and is advantageous for reducing the thickness of the display.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Filters (AREA)

Abstract

一种量子点彩色滤光片基板及量子点液晶面板,该量子点彩色滤光片基板包括:玻璃基板(100);量子点光转换层(200),形成在玻璃基板(100)上,其包括多个顺序排列的量子点部分,量子点部分包括红色量子点部分(211)、绿色量子点部分(213)以及蓝色量子点部分(212);其中,红色量子点部分(211)和绿色量子点部分(213)包括红外量子点材料。通过上述方式,能够提高彩色滤光片的发光纯度,且有利于显示器的轻薄化。

Description

一种量子点彩色滤光片基板及显示面板
【技术领域】
本发明涉及液晶显示技术领域,特别是涉及一种量子点彩色滤光片基板及显示面板。
【背景技术】
随着显示技术的不断发展,人们对显示器的性能效果要求越来越高,不仅涉及色域等显示效果,还涉及厚度等外观形貌。
量子点材料制备的彩色滤光片能够有效提升LCD显示器的色域,但量子点彩色滤光片通常利用蓝光激发来发出红光和绿光,透过的部分蓝光会降低红光和绿光的发光纯度,减弱量子点的利用率。而在量子点彩色滤光片中,能够起到吸收蓝光的阻挡层厚度较大,不利于LCD显示器的小型化。
本申请的发明人在长期的研发过程中,发现现有的彩色滤光片发光纯度差,且不利于显示器的轻薄化。
【发明内容】
本发明主要解决的技术问题是提供一种量子点彩色滤光片基板及显示面板,能够提高彩色滤光片的发光纯度,且有利于显示器的轻薄化。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种量子点彩色滤光片基板。
其中,该量子点彩色滤光片基板包括:
玻璃基板;
量子点光转换层,形成在所述玻璃基板上,其包括多个顺序排列的量子点部分,所述量子点部分包括红色量子点部分、绿色量子点部分以及蓝色量子点部分;
其中,所述红色量子点部分和所述绿色量子点部分包括红外量子点材料;
所述红外量子点材料包括量子点内核和包覆在所述量子点内核外周的稳定剂,所述量子点内核为量子点无机物,所述稳定剂为有机物;
所述红外量子点材料的直径为1-10nm。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种量子点彩色滤光片基板。
其中,该量子点彩色滤光片基板包括:
玻璃基板;
量子点光转换层,形成在所述玻璃基板上,其包括多个顺序排列的量子点部分,所述量子点部分包括红色量子点部分、绿色量子点部分以及蓝色量子点部分;
其中,所述红色量子点部分和所述绿色量子点部分包括红外量子点材料。
为解决上述技术问题,本发明采用的另一个技术方案是:提供一种显示面板。
其中,该面板包括量子点彩色滤光片基板,该该量子点彩色滤光片基板包括:
玻璃基板;
量子点光转换层,形成在该玻璃基板上,其包括多个顺序排列的量子点部分,该量子点部分包括红色量子点部分、绿色量子点部分以及蓝色量子点部分;
其中,该红色量子点部分和该绿色量子点部分包括红外量子点材料。
本发明的有益效果是:区别于现有技术的情况,本发明在该量子点部分的该红色量子点部分和该绿色量子点部分添加红外量子点材料,能够通过该红外量子点材料对透过该红色量子点部分和该绿色量子点部分的作为量子点激发源的蓝光进行有效吸收,提高该量子点彩色滤光片中红光和绿光的发光纯度,提高产品质量;同时,该红外量子点材料对作为量子点激发源的蓝光的吸收效果好,不需要限制该红外量子点材料的厚度和用量,有利于显示器的轻薄化。
【附图说明】
图1是本发明一种量子点彩色滤光片基板一实施方式的结构示意图;
图2是图 1中该量子点彩色滤光片基板的截面一实施方式的结构示意图;
图3是图 1中该量子点彩色滤光片基板的截面另一实施方式的结构示意图;
图4是图 1中该量子点彩色滤光片基板的截面第三实施方式的结构示意图;
图5是本发明一种显示面板一实施方式的结构示意图。
【具体实施方式】
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性的劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
参阅图1,图1是本发明一种量子点彩色滤光片基板一实施方式的结构示意图,该量子点彩色滤光片基板包括:
玻璃基板100;量子点光转换层200,形成在该玻璃基板100上,其包括多个顺序排列的量子点部分,该量子点部分包括红色量子点部分211、绿色量子点部分213以及蓝色量子点部分212;其中,该红色量子点部分211和该绿色量子点部分213包括红外量子点材料。
在本实施方式中,在该量子点子像素部分的该红色量子点部分211和该绿色量子点部分213添加红外量子点材料,能够通过该红外量子点材料对透过该红色量子点部分211和该绿色量子点部分213的作为量子点激发源的蓝光进行有效吸收,提高该量子点彩色滤光片中红光和绿光的发光纯度,提高产品质量;同时,该红外量子点材料对作为量子点激发源的蓝光的吸收效果好,不需要限制该红外量子点材料的厚度和用量,有利于显示器的轻薄化。
在一个实施方式中,该量子点彩色滤光片基板还包括黑色矩阵220,所述黑色矩阵220用于将各个该量子点子像素部分隔开,所述黑色矩阵220的截面为倒梯形。
该红外量子点材料在该红色量子点部分和绿色量子点部分的分布方式包括多种。
在一个实施方式中,请参考图2,图2是图 1中该量子点彩色滤光片基板的截面一实施方式的结构示意图,该红色量子点部分211和该绿色量子点部分213包括红外量子点材料。也即,该红外量子点材料可以掺杂在该红色量子点部分211的原料中和该绿色量子点部分213的原料中,通过涂布或沉积等工艺制备该红色量子点部分211和该绿色量子点部分213。
而该红外量子点材料的添加量对对作为量子点激发源的蓝光的吸收效果影响显著,为获得对该蓝光较好的吸收效果,且避免该红外量子点材料发生团聚,影响该红外量子点材料的稳定性,在该红色量子点部分的原料中和在该绿色量子点部分的原料中,需要选择合适的该红外量子点材料的添加量。相应的,该红外量子点材料在该红色量子点部分的原料中的质量分数为0.1%-20%,如,0.1%、1%、5%、10%或20%等;该绿色量子点部分的原料中的质量分数为0.1%-20%,如,0.1%、1%、5%、10%或20%等。
进一步的,请继续参考图2,该量子点彩色滤光片基板100还包括覆盖在该量子点光转化层200上的平坦化层300,该平坦化层300由透明材料制备,该透明材料可以为环氧树脂系高分子材料或聚甲基丙烯酸甲酯;该平坦化层300用于增加表面的平滑性和保护该量子点光转化层200。
在另一个实施方式中,请参考图3,图3 是图 1中该量子点彩色滤光片基板的截面另一实施方式的结构示意图,该基板还包括:第一红外量子点材料层214,形成在该玻璃基板100和该红色量子点部分211之间;第二红外量子点材料层215,形成在该玻璃基板100和该绿色量子点部分213之间。也即,该红外量子点材料除存在于该红色量子点部分211和该绿色量子点部分213外,该红外量子点材料还存在于该玻璃基板100和该红色量子点部分211之间的该第一红外量子点材料层214及该玻璃基板100和该绿色量子点部分213之间的该第二红外量子点材料215中。将该红外量子点材料分布在该红色量子点部分211和该第一红外量子点材料层214中能够更好的吸收该作为量子点激发源的蓝光,提红光的发光纯度;同理,将该红外量子点材料分布在该绿色量子点部分213和该第二红外量子点材料层215中能够更好的吸收该作为量子点激发源的蓝光,提绿光的发光纯度。
进一步的,该第一红外量子点材料层214的厚度和该第二红外量子点材料层215的厚度可通过该红外量子点材料的浓度和/或粒径来调整。具体的,在一定范围内,随着该红外量子点材料的浓度增大和该红外量子点材料的粒径增大,该红外量子点材料对该作为量子点激发源的蓝光的吸收效果越好。
更进一步的,为获得对该蓝光较好的吸收效果,同时减小该量子点彩色滤光片基板的厚度,该第一红外量子点材料层214的厚度和该第二红外量子点材料层215的厚度不大于2um,如,1um、1.2um、1.4um、1.6um、1.8um或2um等。该第一红外量子点材料层214的厚度和该第二红外量子点材料层215的厚度相同或不同,在一个实施方式中,该第一红外量子点材料层214的厚度和该第二红外量子点材料层215的厚度相同,有利于简化生产工艺,降低生产成本。当然,可以根据对显示效果的要求确定不同的该第一红外量子点材料层214的厚度和该第二红外量子点材料层215的厚度。
在一个实施方式中,请参考图4,图4是图 1中该量子点彩色滤光片基板的截面第三实施方式的结构示意图,该红色量子点子像素部分211包括第一红外量子点材料层2112和红色量子点颜色层2111,该绿色量子点子像素部分213包括第二红外量子点材料层2132和绿色量子点颜色层2131:该第一红外量子点材料层2112形成在该玻璃基板100和该红色量子点颜色层2111之间;第二红外量子点材料层2132形成在该玻璃基板100和该绿色量子点子颜色层2131之间。
在另一个实施方式中,该红色量子点部分211和该绿色量子点部分213中该红外量子点材料的分布方式相同,便于简化该量子点彩色滤光片的制备工艺,提高生产效率。
在一个实施方式中,该红外量子点材料为核壳结构,包括量子点内核和包覆在该量子点内核外周的稳定剂,该量子点内核为量子点无机物,该稳定剂为有机物。具体的,该量子点内核包括Cd系、Cu系、Ag 系、Pb系、Si系或Zn系量子点无机化合物中的一种或两种以上的组合;该稳定剂包括巯基乙酸、巯基乙胺或半胱氨酸中的一种或两种以上的组合,该稳定剂用于稳定该红外量子点材料的结构和调节该红外量子点材料的极性。
该红外量子点材料的粒径会显著影响其对该蓝光的吸收效果。这是因为,对于红外量子点材料,不同的粒径会有不同的吸收频谱,通过调整该红外量子点材料的粒径来调整其吸收频谱,使其对蓝光强吸收而对绿光和红光弱吸收,能够达到对作为量子点激发源的蓝光进行有效吸收,提高该量子点彩色滤光片中红光和绿光的发光纯度的效果。进一步的,该红外量子点材料的直径为1-10nm,如,1nm、3nm、5nm、7nm、9nm或10nm等。
当然,为了更好的满足不同的用户需求,获不同的量子点彩色滤光片基板,甚至是同一量子点彩色滤光片基板的不同区域,不仅可以采用不同的该红外量子点材料分布方式,也可以采用不同的红外量子点材料粒径及浓度。
请参考图5,图5是本发明一种显示面板一实施方式的结构示意图,其中,该面板1包括:任一所述的量子点彩色滤光片基板10。在本实施方式中,该面板1用于制备量子点液晶显示器,该量子点液晶显示器可以为手机、平板电脑或电视等终端的显示器,在一个实施方式中,该量子点液晶显示器为大尺寸电视,该大尺寸电视大于70英寸,如,88英寸或108英寸等。采用本发明该的量子点彩色滤光片基板10能够获得较好的显示效果,且使得该大尺寸电视的较为轻薄,能够更好的满足用户需要。
综上所述,本发明公开了一种量子点彩色滤光片基板及量子点液晶面板,该量子点彩色滤光片基板包括:玻璃基板;量子点光转换层,形成在所述玻璃基板上,其包括多个顺序排列的量子点部分,所述量子点部分包括红色量子点部分、绿色量子点部分以及蓝色量子点部分;其中,所述红色量子点部分和所述绿色量子点部分包括红外量子点材料。通过上述方式,本发明能够提高彩色滤光片的发光纯度,且有利于显示器的轻薄化。
以上所述仅为本发明的实施方式,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (20)

  1. 一种量子点彩色滤光片基板,其中,所述量子点彩色滤光片基板包括:
    玻璃基板;
    量子点光转换层,形成在所述玻璃基板上,其包括多个顺序排列的量子点部分,所述量子点部分包括红色量子点部分、绿色量子点部分以及蓝色量子点部分;
    其中,所述红色量子点部分和所述绿色量子点部分包括红外量子点材料;
    所述红外量子点材料包括量子点内核和包覆在所述量子点内核外周的稳定剂,所述量子点内核为量子点无机物,所述稳定剂为有机物;
    所述红外量子点材料的直径为1-10nm。
  2. 根据权利要求1所述的基板,其中,所述红外量子点材料掺杂在所述红色量子点部分的原料中和所述绿色量子点部分的原料中。
  3. 根据权利要求2所述的基板,其中,所述红外量子点材料在所述红色量子点部分的原料中的质量分数为0.1%-20%,在所述绿色量子点部分的原料中的质量分数为0.1%-20%。
  4. 根据权利要求1所述的基板,其中,所述红色量子点部分包括:第一红外量子点材料层和红色量子点颜色层,所述第一红外量子点材料层形成在所述玻璃基板和所述红色量子点颜色层之间;
    所述绿色量子点部分包括:第二红外量子点材料层和绿色量子点颜色层,所述第二红外量子点材料层形成在所述玻璃基板和所述绿色量子点颜色层之间。
  5. 根据权利要求4所述的基板,其中,所述第一红外量子点材料层的厚度和所述第二红外量子点材料层的厚度可通过所述红外量子点材料的浓度和/或粒径来调整。
  6. 根据权利要求4所述的基板,其中,所述第一红外量子点材料层的厚度和所述第二红外量子点材料层的厚度不大于2um。
  7. 一种量子点彩色滤光片基板,其中,所述量子点彩色滤光片基板包括:
    玻璃基板;
    量子点光转换层,形成在所述玻璃基板上,其包括多个顺序排列的量子点部分,所述量子点部分包括红色量子点部分、绿色量子点部分以及蓝色量子点部分;
    其中,所述红色量子点部分和所述绿色量子点部分包括红外量子点材料。
  8. 根据权利要求7所述的基板,其中,所述红外量子点材料掺杂在所述红色量子点部分的原料中和所述绿色量子点部分的原料中。
  9. 根据权利要求8所述的基板,其中,所述红外量子点材料在所述红色量子点部分的原料中的质量分数为0.1%-20%,在所述绿色量子点部分的原料中的质量分数为0.1%-20%。
  10. 根据权利要求7所述的基板,其中,所述红色量子点部分包括:第一红外量子点材料层和红色量子点颜色层,所述第一红外量子点材料层形成在所述玻璃基板和所述红色量子点颜色层之间;
    所述绿色量子点部分包括:第二红外量子点材料层和绿色量子点颜色层,所述第二红外量子点材料层形成在所述玻璃基板和所述绿色量子点颜色层之间。
  11. 根据权利要求10所述的基板,其中,所述第一红外量子点材料层的厚度和所述第二红外量子点材料层的厚度可通过所述红外量子点材料的浓度和/或粒径来调整。
  12. 根据权利要求10所述的基板,其中,所述第一红外量子点材料层的厚度和所述第二红外量子点材料层的厚度不大于2um。
  13. 根据权利要求7所述的基板,其中,所述红外量子点材料包括量子点内核和包覆在所述量子点内核外周的稳定剂,所述量子点内核为量子点无机物,所述稳定剂为有机物。
  14. 根据权利要求13所述的基板,其中,所述量子点内核包括Cd系、Cu系、Ag 系、Pb系、Si系或Zn系量子点无机化合物中的一种或两种以上的组合;所述稳定剂包括巯基乙酸、巯基乙胺或半胱氨酸中的一种或两种以上的组合。
  15. 根据权利要求7所述的基板,其中,所述红外量子点材料的直径为1-10nm。
  16. 一种显示面板,其中,所述面板包括量子点彩色滤光片基板,所述量子点彩色滤光片基板包括:
    玻璃基板;
    量子点光转换层,形成在所述玻璃基板上,其包括多个顺序排列的量子点部分,所述量子点部分包括红色量子点部分、绿色量子点部分以及蓝色量子点部分;
    其中,所述红色量子点部分和所述绿色量子点部分包括红外量子点材料。
  17. 根据权利要求16所述的显示面板,其中,所述红外量子点材料掺杂在所述红色量子点部分的原料中和所述绿色量子点部分的原料中。
  18. 根据权利要求16所述的显示面板,其中,所述红色量子点部分包括:第一红外量子点材料层和红色量子点颜色层,所述第一红外量子点材料层形成在所述玻璃基板和所述红色量子点颜色层之间;
    所述绿色量子点部分包括:第二红外量子点材料层和绿色量子点颜色层,所述第二红外量子点材料层形成在所述玻璃基板和所述绿色量子点颜色层之间。
  19. 根据权利要求18所述的显示面板,其中,所述第一红外量子点材料层的厚度和所述第二红外量子点材料层的厚度不大于2um。
  20. 根据权利要求16所述的显示面板,其中,所述红外量子点材料包括量子点内核和包覆在所述量子点内核外周的稳定剂,所述量子点内核为量子点无机物,所述稳定剂为有机物。
PCT/CN2018/101682 2018-05-30 2018-08-22 一种量子点彩色滤光片基板及显示面板 Ceased WO2019227699A1 (zh)

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