WO2017181468A1 - 液晶显示装置、量子棒配向板及其制造方法 - Google Patents

液晶显示装置、量子棒配向板及其制造方法 Download PDF

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Publication number
WO2017181468A1
WO2017181468A1 PCT/CN2016/082598 CN2016082598W WO2017181468A1 WO 2017181468 A1 WO2017181468 A1 WO 2017181468A1 CN 2016082598 W CN2016082598 W CN 2016082598W WO 2017181468 A1 WO2017181468 A1 WO 2017181468A1
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Prior art keywords
quantum rod
group
liquid crystal
substrate
layer
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PCT/CN2016/082598
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English (en)
French (fr)
Inventor
程小平
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深圳市华星光电技术有限公司
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Priority to US15/109,638 priority Critical patent/US10175536B2/en
Publication of WO2017181468A1 publication Critical patent/WO2017181468A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/13—Devices 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/13—Devices 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F1/00—Devices 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
    • G02F1/01—Devices 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 
    • G02F1/13—Devices 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
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL 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
    • G02F2202/00—Materials and properties
    • G02F2202/36—Micro- or nanomaterials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a liquid crystal display device, a quantum rod alignment plate, and a method of fabricating the same.
  • Quantum dot display technology has been fully upgraded in various dimensions such as color gamut coverage, accuracy, red, green and blue color purity. It is regarded as the commanding height of global display technology and is also regarded as a display technology revolution affecting the whole world. The revolutionary implementation of full color gamut display, the most authentic reproduction of image color. With the release of TCL as the first quantum dot TV, the international quantum dot display camp has begun to take shape.
  • the quantum rod is a semiconductor nanocrystal having a radius of generally about 0 to 20 nm and a length of about several tens of nm, and a majority of nanomaterials composed of a group II-VI or a group III-V. Due to the quantum confinement effect, the transport of electrons and holes inside is limited, so that the continuous band structure becomes a separate energy level structure. When the size of quantum dots is different, the quantum confinement of electrons and holes is different, and the discrete energy levels are different. After being excited by external energy, quantum dots of different sizes emit light of different wavelengths, that is, light of various colors.
  • the size of the quantum rod can also be adjusted, which can cover the infrared wavelength range and the whole visible light range, and the emission light band is narrow, the color saturation is high; the quantum material has high quantum conversion efficiency; the material performance is stable; the preparation method is simple and diverse. It can be prepared from a solution and is rich in resources.
  • the prior art LCD display usually only utilizes the characteristics that the quantum rod can change the direction of the light, thereby directly adding the quantum rod to the conventional LCD display, which will increase the manufacturing cost of the LCD display, and on the other hand, increase the LCD display. Thickness, thereby reducing the transmittance and brightness of the LCD display.
  • the technical problem to be solved by the present invention is to provide a liquid crystal display device, a quantum rod alignment plate, and a method of manufacturing the same, which can reduce the manufacturing cost of the liquid crystal display device and improve the transmittance and brightness of the liquid crystal display device.
  • a technical solution adopted by the present invention is to provide a method for manufacturing a quantum rod alignment plate, which comprises: providing a substrate; and placing a quantum rod layer above the substrate; the surface of the quantum rod layer has a A group, the first group comprising an alignment group for orienting the liquid crystal.
  • the step of disposing the quantum rod layer above the substrate further comprises: disposing a film on the substrate, the film comprising a second group, wherein the second group comprises a first bonding group; and the step of disposing the quantum rod layer above the substrate Specifically, the method comprises: preparing a functional layer comprising a plurality of quantum rods, the surface of the quantum rod having a first group, the first group further comprising a second binding group, and the second binding group is combined with the first binding group, such that The quantum rods form a flat state.
  • the step of disposing a film on the substrate comprises:
  • the step of disposing the quantum rod layer above the substrate further includes:
  • the electrodes are energized to form an electric field such that the quantum rods in a flat state are rotated to form an alignment to impart polarization characteristics to the quantum rod layer.
  • step of combining the second binding group with the first binding group comprises:
  • the second binding group binds to the first binding group by adsorption or bonding.
  • a quantum rod alignment plate comprising: a substrate; a quantum rod layer disposed above the substrate and disposed on the surface of the quantum rod layer A group, the first group comprising an alignment group for orienting the liquid crystal.
  • the quantum rod alignment plate further comprises: a film disposed between the substrate and the quantum rod layer, the film comprising a second group, wherein the second group comprises a first bonding group; and the quantum rod layer comprises a plurality of quantum rods
  • the functional layer the surface of the quantum rod has a first group, the first group further includes a second binding group, and the second binding group is combined with the first binding group, so that the quantum rod forms a flat state.
  • the second binding group is bonded to the first binding group by adsorption or bonding.
  • the quantum rod alignment plate further includes an electrode disposed between the substrate and the film, and the electrode forms an electric field when energized, so that the quantum rod in a lying state rotates to form an alignment arrangement to make the quantum rod layer have polarization characteristics.
  • a liquid crystal display device including: a first substrate and a second substrate disposed opposite to each other; a liquid crystal layer disposed on the first substrate and the first substrate Between the two substrates; a quantum rod alignment plate disposed on at least one side of the liquid crystal layer, wherein the quantum rod alignment plate comprises: a substrate; a quantum rod layer disposed above the substrate to provide a first group on the surface of the quantum rod layer, The first group includes an alignment group for aligning the liquid crystal.
  • the quantum rod alignment plate further comprises: a film disposed between the substrate and the quantum rod layer, the film comprising a second group, wherein the second group comprises a first bonding group; and the quantum rod layer comprises a plurality of quantum rods
  • the functional layer the surface of the quantum rod has a first group, the first group further includes a second binding group, and the second binding group is combined with the first binding group, so that the quantum rod forms a flat state.
  • the second binding group is bonded to the first binding group by adsorption or bonding.
  • the quantum rod alignment plate further includes an electrode disposed between the substrate and the film, and the electrode forms an electric field when energized, so that the quantum rod in a lying state rotates to form an alignment arrangement to make the quantum rod layer have polarization characteristics.
  • the quantum rod alignment plate is disposed on both sides of the liquid crystal layer, and the liquid crystal display device further includes a polarizer disposed on a side of the quantum rod alignment plate away from the liquid crystal layer for interacting with the quantum rod alignment plate to obtain polarized light.
  • the quantum rod alignment plate is disposed on one side of the liquid crystal layer
  • the liquid crystal display device further comprises a polarizer and an alignment film
  • the polarizer is disposed on a side of the quantum rod alignment plate away from the liquid crystal layer, and is used for interacting with the quantum rod alignment plate to obtain Polarized light
  • an alignment film is disposed on the other side of the liquid crystal layer for aligning the liquid crystal on the other side of the liquid crystal layer.
  • the invention has the advantages that the liquid crystal display device, the quantum rod alignment plate and the manufacturing method thereof are different from the prior art, wherein the manufacturing method of the quantum rod alignment plate comprises the following steps: providing a substrate Then, a quantum rod layer is disposed above the substrate, the surface of the quantum rod layer having a first group, and the first group includes an alignment group for aligning the liquid crystal. Therefore, the quantum rod alignment plate of the present invention can replace the alignment plate of the liquid crystal display device, thereby reducing the manufacturing cost of the liquid crystal display device and improving the transmittance and brightness of the liquid crystal display device.
  • FIG. 1 is a flow chart of a method for manufacturing a quantum rod alignment plate according to an embodiment of the present invention
  • Figure 2 is a process diagram corresponding to the manufacturing method shown in Figure 1;
  • FIG. 3 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • FIG. 4 is another schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • FIG. 5 is still another schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • FIG. 6 is still another schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for manufacturing a quantum rod alignment plate according to an embodiment of the present invention
  • FIG. 2 is a process diagram corresponding to the manufacturing method shown in FIG.
  • the manufacturing method of the embodiment of the present invention includes the following steps:
  • Step S1 providing a substrate 11.
  • Step S2 A quantum rod layer 12 is disposed above the substrate 11.
  • the surface of the quantum rod layer 12 has a first group 121, and the first group 121 includes an alignment group 122 for aligning the liquid crystal.
  • This step is specifically to prepare a functional layer 124 containing a plurality of quantum rods 125 having a first group 121 on the surface thereof.
  • the first group 121 also includes a binding group 123.
  • the first group 121 in this step can be obtained by performing surface group grafting and modification on the existing quantum rod material, etc., and can graft and modify different groups according to actual needs.
  • different alignment groups 122 can be grafted and modified depending on the alignment mode.
  • the alignment group is not limited to the alignment mode, and may be a light alignment or a vertical alignment.
  • a film 13 is further disposed on the substrate 11 before the step, and the film 13 includes the second group 131 as shown in FIG.
  • the second group 131 includes a binding group 132.
  • the arrangement of the second group 131 is the same as that of the first group 121 described above, and details are not described herein again.
  • the bonding group 123 is bonded to the bonding group 132, as shown in step S21 of FIG. 2, so that the quantum rods 125 are formed in a flat state.
  • the binding group 123 is preferably bonded to the binding group 132 by adsorption or bonding, for example, by light, heat, other catalytic introduction or self-organization adsorption.
  • the materials constituting the bonding groups 123 and 132 include a plurality of materials, and any material which can be adsorbed or bonded to each other can be used as the bonding group of the present invention.
  • the film 13 may be omitted, and specifically, the bonding group 123 may be directly bonded to the substrate 11 to form a film.
  • the electrode 14 is also provided on the substrate 11 before the film 13 is disposed, as shown in step S1 of FIG.
  • the method further energizes the electrode 14, as shown in step S22 of Figure 2, to form an electric field such that the quantum rods 125 in a lying state rotate to form an aligned arrangement.
  • the quantum rod layer 12 gradually changes from circular to linearly polarized light. Therefore, the quantum rod layer 12 can change the polarization state of incident light rays and has polarization characteristics.
  • the liquid crystal of the liquid crystal can control the linearly polarized light well, avoiding the problem of light leakage and contrast reduction.
  • the quantum rod alignment plate of the present embodiment realizes the function of aligning the liquid crystal and also realizes the function of polarizing, so that the quantum rod alignment plate of the embodiment can replace the original alignment plate of the liquid crystal display device, and the built-in
  • the liquid crystal display device of the quantum rod alignment plate of the embodiment can save the polarizing plate, thereby saving the manufacturing cost, and can greatly improve the transmittance and brightness of the liquid crystal display, and also improve the display color gamut of the liquid crystal display.
  • FIG. 3 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • the liquid crystal display device 30 of the present embodiment includes a first substrate 31, a second substrate 32, a liquid crystal layer 33, and a quantum rod alignment plate 34.
  • the first substrate 31 and the second substrate 32 are oppositely disposed, and the liquid crystal layer 33 is disposed between the first substrate 31 and the second substrate 32.
  • the quantum rod alignment plate 34 is provided on at least one side of the liquid crystal layer 33 for aligning the liquid crystal of the liquid crystal layer 33.
  • the quantum rod alignment plate 34 is produced by the method described above. Specifically, as shown in FIG. 2 , the quantum rod alignment plate 34 specifically includes a substrate raft and a quantum rod layer 12 . The quantum rod layer 12 is disposed above the substrate 11, and a first group 121 is disposed on the surface of the quantum rod layer 12. The first group 121 includes an alignment group 122 for performing liquid crystal on the liquid crystal layer 33. Orientation.
  • the quantum rod alignment plate 34 further includes a film 13 disposed between the substrate 11 and the quantum rod layer 12, the film 13 includes a second group 131, and the second group 131 includes a bonding group 132.
  • the quantum rod layer 12 includes a functional layer 124 comprising a plurality of quantum rods 125 having a first group 121 on its surface and a first group 121 further comprising a binding group 123.
  • the bonding group 123 is bonded to the bonding group 132 such that the quantum rods 125 are formed in a flat state.
  • the binding group 123 is preferably bonded to the binding group 132 by adsorption or bonding, for example, by light, heat, other catalytic introduction or self-organization adsorption.
  • the first group 121 can be obtained by performing surface group grafting and modification on the existing quantum rod material, and can graft and modify different groups according to actual needs.
  • different alignment groups 122 can be grafted and modified depending on the alignment mode.
  • the alignment group is not limited to the alignment mode, and may be a light alignment or a vertical alignment.
  • the second group 132 is disposed in the same manner as the first group 121, and will not be described herein.
  • the quantum rod alignment plate 34 further includes an electrode 14 disposed between the substrate 11 and the film 13, and the electrode 14 forms an electric field when energized, so that the quantum rod 125 in a lying state rotates to form an alignment arrangement to make the quantum rod layer. 12 has polarizing characteristics.
  • the first substrate 31 includes a glass plate 311 and a black matrix layer (BlackMatrix, BM) 312 disposed on the glass plate 311.
  • the second substrate 32 includes a glass plate 321 and a TFT disposed on the glass plate 321 (ThinFilm Transistor) A thin film transistor layer 322, a color filter layer (ie, RGB layer) 323 disposed on the TFT layer 322, and an ITO (Indium Tin Oxide) layer 324 disposed on the color filter layer 323.
  • the quantum rod alignment plate 34 is disposed on one side of the liquid crystal layer 33.
  • the liquid crystal display device 30 further includes a polarizer 35 and an alignment film 36, wherein the polarizer 35 is disposed on a side of the quantum rod alignment plate 34 away from the liquid crystal layer 33 for acting with the quantum rod alignment plate 34 to obtain polarized light.
  • the alignment film 36 is provided on the other side of the liquid crystal layer 33 for aligning the liquid crystal on the other side of the liquid crystal layer 33.
  • FIG. 4 is another schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • the liquid crystal display device 40 of the present embodiment further includes a first substrate 41, a second substrate 42, a liquid crystal layer 43, a quantum rod alignment plate 44, a polarizer 45, and an alignment plate 46.
  • the liquid crystal display device 40 of the present embodiment is different from the liquid crystal display device 30 shown in FIG. 3 in that the color filter layer 423 of the liquid crystal display device 40 of the present embodiment is disposed on the first substrate 411, specifically
  • the first substrate 41 includes a glass plate 4U, a black matrix layer (BlackMatrix, BM) 412 disposed on the glass plate 411, and a color filter layer 423 disposed on the black matrix layer.
  • the second substrate 42 includes a glass plate 421, a TFT (Thin Film Transistor) layer 422 disposed on the glass plate 421, and an indium Tin Oxides layer 424 disposed on the TFT layer 422.
  • FIG. 5 is still another schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • the liquid crystal display device 50 of the present embodiment further includes a first substrate 51, a second substrate 52, a liquid crystal layer 53, a quantum rod alignment plate 54, and a polarizer 55.
  • the liquid crystal display device 50 of the present embodiment is different from the liquid crystal display device 30 shown in FIG. 3 in that the quantum rod alignment plate 54 of the present embodiment is two, respectively 541 and 542, which are respectively disposed at Both sides of the liquid crystal layer 53. That is, the liquid crystals of the liquid crystal layer 53 of the present embodiment are all aligned by the quantum rod alignment plate 54.
  • FIG. 6 is still another schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
  • the liquid crystal display device 60 of the present embodiment further includes a first substrate 61, a second substrate 62, a liquid crystal layer 63, a quantum rod alignment plate 64, and a polarizer 65.
  • the liquid crystal display device 60 of the present embodiment is different from the liquid crystal display device 40 shown in FIG. 4 in that: the quantum rod alignment plate 64 of the present embodiment has two, respectively 641 and 642, which are respectively disposed on the liquid crystal. Both sides of layer 63. That is, the liquid crystals of the liquid crystal layer 63 of the present embodiment are all aligned by the quantum rod alignment plate 64.
  • the quantum rod alignment plate of the embodiment realizes the function of aligning the liquid crystal, and the polarization function is also realized, so that the liquid crystal display device can save one polarizer, thereby saving manufacturing cost and reducing The thickness of the liquid crystal display device, thereby improving the transmittance and brightness of the liquid crystal display device.

Abstract

一种液晶显示装置、量子棒配向板及其制造方法。该方法包括以下步骤：提供一基板(11)；在基板(11)上方设置量子棒层(12)，量子棒层(12)的表面具有第一基团(121)，第一基团(121)包括配向基团(122)，配向基团(122)用于对液晶进行配向。通过上述方式，能够节省了制作成本，并可以很大程度地提高液晶显示器的穿透率和亮度，同时还提升了液晶显示器的显示色域。

Description

液晶显示装置、量子棒配向板及其制造方法
【技术领域】
本发明涉及显示技术领域，尤其是涉及一种液晶显示装置、量子棒配向板及其制造方法。
【背景技术】
随着科技的发展和社会的进步，人们对于信息交流和传递等方面的依赖程度日益增加。而显示器件作为信息交换和传递的主要载体和物质基础，现已成为众多从事信息光电研究科学家争相抢占的热点和高地。
量子点显示技术在色域覆盖率、精确性、红绿蓝色彩纯净度等各个维度已全面升级，被视为全球显示技术的制高点，也被视为影响全球的显示技术革命。革命性的实现全色域显示，最真实还原图像色彩。随着TCL率先发布量子点电视，国际量子点显示阵营已初具规模。
量子棒是半径一般在0~20nm左右，长度约几十个nm左右的半导体纳米晶体，大部分由Ⅱ-Ⅵ族或Ⅲ-Ⅴ族元素组成的纳米材料。由于量子限域效应，其内部的电子和空穴的运输受到限制，使得连续的能带结构变成分离的能级结构。当量子点的尺寸不同时，电子与空穴的量子限域程度不一样，分立的能级结构不同。在受到外来能量激发后，不同尺寸的量子点即发出不同波长的光，也就是各种颜色的光。
量子棒的尺寸也是可以实现调控的，可以使发光波长范围覆盖到红外及整个可见光波段，且发射光波段窄，色彩饱和度高；量子材料量子转换效率高；材料性能稳定；制备方法简单多样，可以从溶液中制备，资源丰富。
现有技术的LCD显示器通常只是利用量子棒能改变光的方向的特性，从而将量子棒直接加入传统的LCD显示器中，这一方面将增加LCD显示器的制作成本，另一方面将增加LCD显示器的厚度，从而降低LCD显示器的穿透率和亮度。
【发明内容】
本发明主要解决的技术问题是提供一种液晶显示装置、量子棒配向板及其制造方法，能够降低液晶显示装置的制作成本，并提高液晶显示装置的穿透率和亮度。
为解决上述技术问题，本发明采用的一个技术方案是：提供一种量子棒配向板的制造方法，该制造方法包括：提供一基板；在基板上方设置量子棒层，量子棒层的表面具有第一基团，第一基团包括配向基团，配向基团用于对液晶进行配向。
其中，在基板上方设置量子棒层的步骤之前还包括：在基板上设置一薄膜，薄膜包括第二基团，其中第二基团包括第一结合基团；在基板上方设置量子棒层的步骤具体包括：制备含多个量子棒的功能层，量子棒的表面具有第一基团，第一基团还包括第二结合基团，第二结合基团与第一结合基团进行结合，使得量子棒形成平躺状态。
其中，在基板上设置一薄膜的步骤之前包括：
在基板上设置电极；
在基板上方设置量子棒层的步骤还包括：
对电极通电，以形成电场，使得处于平躺状态的量子棒旋转，形成定向排列以使量子棒层具有偏光特性。
其中，第二结合基团与第一结合基团进行结合的步骤包括：
第二结合基团通过吸附或键结的作用与第一结合基团进行结合。
为解决上述技术问题，本发明采用的另一个技术方案是：提供一种量子棒配向板，该量子棒配向板包括：基板；量子棒层，设置在基板上方，在量子棒层的表面设置第一基团，第一基团包括配向基团，配向基团用于对液晶进行配向。
其中，量子棒配向板还包括：薄膜，设置在基板和量子棒层之间，薄膜包括第二基团，其中第二基团包括第一结合基团；量子棒层包括含多个量子棒的功能层，量子棒的表面具有第一基团，第一基团还包括第二结合基团，第二结合基团与第一结合基团进行结合，使得量子棒形成平躺状态。
其中，第二结合基团通过吸附或键结的作用与第一结合基团进行结合。
其中，量子棒配向板还包括：电极，设置在基板与薄膜之间，电极在通电时形成电场，使得处于平躺状态的量子棒旋转，形成定向排列以使量子棒层具有偏光特性。
为解决上述技术问题，本发明采用的又一个技术方案是：提供一种液晶显示装置，该液晶显示装置包括：相对设置的第一基板和第二基板；液晶层，设置在第一基板和第二基板之间；量子棒配向板，设置在液晶层的至少一侧，其中，量子棒配向板包括：基板；量子棒层，设置在基板上方，在量子棒层的表面设置第一基团，第一基团包括配向基团，配向基团用于对液晶进行配向。
其中，量子棒配向板还包括：薄膜，设置在基板和量子棒层之间，薄膜包括第二基团，其中第二基团包括第一结合基团；量子棒层包括含多个量子棒的功能层，量子棒的表面具有第一基团，第一基团还包括第二结合基团，第二结合基团与第一结合基团进行结合，使得量子棒形成平躺状态。
其中，第二结合基团通过吸附或键结的作用与第一结合基团进行结合。
其中，量子棒配向板还包括：电极，设置在基板与薄膜之间，电极在通电时形成电场，使得处于平躺状态的量子棒旋转，形成定向排列以使量子棒层具有偏光特性。
其中，量子棒配向板设置在液晶层的两侧，液晶显示装置还包括偏光片，偏光片设置在量子棒配向板远离液晶层的一侧，用于与量子棒配向板作用来得到偏振光。
其中，量子棒配向板设置在液晶层的一侧，液晶显示装置还包括偏光片和配向膜；偏光片设置在量子棒配向板远离液晶层的一侧，用于与量子棒配向板作用来得到偏振光；配向膜设置在液晶层的另一侧，用于对液晶层另一侧的液晶进行配向。
本发明的有益效果是：区别于现有技术的情况，本发明提供了一种液晶显示装置、量子棒配向板及其制造方法，其中，量子棒配向板的制造方法包括以下步骤：提供一基板，然后在基板上方设置量子棒层，量子棒层的表面具有第一基团，第一基团包括配向基团，该配向基团用于对液晶进行配向。因此，本发明的量子棒配向板可以代替液晶显示装置的配向板，从而降低液晶显示装置的制作成本，并提高液晶显示装置的穿透率和亮度。
【附图说明】
图1是本发明实施例提供的一种量子棒配向板的制造方法的流程图；
图2是图1所示的制造方法对应的制程图；
图3是本发明实施例提供的一种液晶显示装置的结构示意图；
图4是本发明实施例提供的一种液晶显示装置的另一结构示意图；
图5是本发明实施例提供的一种液晶显示装置的又一结构示意图；
图6是本发明实施例提供的一种液晶显示装置的又一结构示意图。
【具体实施方式】
请一并参阅图1和图2，图1是本发明实施例提供的一种量子棒配向板的制造方法的流程图，图2是图1所示的制造方法对应的制程图。如图1和图2所示，本发明实施例的制造方法包括以下步骤：
步骤S1：提供一基板11。
步骤S2：在基板11上方设置量子棒层12，量子棒层12的表面具有第一基团121，第一基团121包括配向基团122，配向基团122用于对液晶进行配向。
本步骤具体为：制备含多个量子棒125的功能层124，该量子棒125的表面具有第一基团121。第一基团121还包括结合基团123。
本步骤中的第一基团121可以通过对已有的量子棒材料进行表面基团嫁接和修饰等方式得到，其可以根据实际需求进行嫁接和修饰不同基团。例如可以根据配向模式的不同来嫁接和修饰不同的配向基团122。所接配向基团不限配向模式，可以为光配向或垂直配向等。
其中，在本步骤之前还在基板11上设置一薄膜13，如图2所示的步骤S12，薄膜13包括第二基团131。第二基团131包括结合基团132。第二基团131的设置方式与上述的第一基团121的设置方法相同，在此不再赘述。
其中，结合基团123与结合基团132进行结合，如图2所示的步骤S21，使得量子棒125形成平躺状态。具体的，结合基团123优选通过吸附或键结的作用与结合基团132进行结合，例如通过光、热、其他催化引或自组织吸附等方式进行结合。
本实施例中，组成结合基团123和132的材质包括多种，只要是可以相互之间进行吸附或键结的作用材质都可以作为本发明的结合基团。
在其他实施例中，为了简化制造流程以及降低成本，也可以省去薄膜13，具体而言，结合基团123直接结合基板11成膜即可。
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本方法中，在设置薄膜13之前还在基板11上设置电极14，如图2所示的步骤S1。本方法还进一步对电极14通电，如图2所示的步骤S22，以形成电场，使得处于平躺状态的量子棒125旋转，形成定向排列。由于随着量子材料外形其纵横比的增加，量子棒层12发光会逐渐从圆偏向线偏振光线转变。因此，量子棒层12可以改变入射光线的偏振状态，具有偏光特性。使得不同偏振方向的光穿过量子棒层12时光线有的被阻挡，有的可以通过，穿过的光线偏振方向相同，即变为线偏振光，并可以得到较高的偏光度。液晶曾的液晶可以很好的控制线偏振的光线，避免漏光和对比度降低的问题。
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承前所述，本实施例的量子棒配向板实现了对液晶进行配向的功能同时也实现了偏光的功能，使得本实施例的量子棒配向板可以代替液晶显示装置原有的配向板，并且内置本实施例量子棒配向板的液晶显示装置可以省去偏光片，因此节省了制作成本，并可以很大程度地提高液晶显示器的穿透率和亮度，同时还提升了液晶显示器的显示色域。
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请参阅图3,图3是本发明实施例提供的一种液晶显示装置的结构示意图。如图3所示，本实施例的液晶显示装置30包括第一基板31、第二基板32、液晶层33和量子棒配向板34。其中，第一基板31和第二基板32相对设置，液晶层33设置在第一基板31和第二基板32之间。量子棒配向板34设置在液晶层33的至少一侧，用于对液晶层33的液晶进行配向。
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具体而言，量子棒配向板34由前文所述的方法制得。具体请一并参阅图2所示,量子棒配向板34具体包括基板Π和量子棒层12。其中，量子棒层12设置在基板11上方，在量子棒层12的表面设置第一基团121，第一基团121包括配向基团122，配向基团122用于对液晶层33的液晶进行配向。
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进一步的，量子棒配向板34还包括薄膜13，其设置在基板11和量子棒层12之间,薄膜13包括第二基团131,第二基团131包括结合基团132。量子棒层12包括含多个量子棒125的功能层124,量子棒125的表面具有第一基团121,第一基团121还包括结合基团123。结合基团123与结合基团132进行结合，使得量子棒125形成平躺状态。
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具体的，结合基团123优选通过吸附或键结的作用与结合基团132进行结合，例如通过光、热、其他催化引或自组织吸附等方式进行结合。
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本实施例中，第一基团121可以通过对已有的量子棒材料进行表面基团嫁接和修饰等方式得到，其可以根据实际需求进行嫁接和修饰不同基团。例如可以根据配向模式的不同来嫁接和修饰不同的配向基团122。所接配向基团不限配向模式，可以为光配向或垂直配向等。
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第二基团132的设置方式与第一基团121的设置方法相同，在此不再赘述。
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进一步的，量子棒配向板34还包括电极14,设置在基板11与薄膜13之间，电极14在通电时形成电场，使得处于平躺状态的量子棒125旋转，形成定向排列以使量子棒层12具有偏光特性。
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本实施例中，第一基板31包括玻璃板311和设置在玻璃板311上的黑色矩阵层（BlackMatrix,BM)312,第二基板32包括玻璃板321、设置在玻璃板321上的TFT(ThinFilmTransistor,薄膜晶体管）层322、设置在TFT层322上的彩色滤光层（即RGB层）323以及设置在彩色滤光层323上的ITO(IndiumTinOxides,纳米铟锡金属氧化物）层324。

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本实施例中，量子棒配向板34设置在液晶层33的其中一侧。液晶显示装置30还包括偏光片35和配向膜36,其中，偏光片35设置在量子棒配向板34远离液晶层33的一侧，用于与量子棒配向板34作用来得到偏振光。配向膜36设置在液晶层33的另一侧，用于对液晶层33另一侧的液晶进行配向。
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请参阅图4,图4是本发明实施例的一种液晶显示装置的另一结构示意图。如图4所示，本实施例的液晶显示装置40依然包括第一基板41、第二基板42、液晶层43、量子棒配向板44、偏光片45以及配向板46。
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其中，本实施例的液晶显示装置40与图3所示的液晶显示装置30的不同之处在于：本实施例的液晶显示装置40的彩色滤光层423设置在第一基板411上，具体的，第一基板41包括玻璃板4U、设置在玻璃板411上的黑色矩阵层（BlackMatrix,BM)412以及设置在黑色矩阵层上的彩色滤光层423。而第二基板42包括玻璃板421、设置在玻璃板421上的TFT(ThinFilmTransistor,薄膜晶体管）层422以及设置在TFT层422上的ΓΓ0(indiumTinOxides,纳米铟锡金属氧化物)层424。
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请参阅图5,图5是本发明实施例的一种液晶显示装置的又一结构示意图。如图5所示，本实施例的液晶显示装置50依然包括第一基板51、第二基板52、液晶层53、量子棒配向板54以及偏光片55。.其中.本实施例的液晶显示装置50与图3所示的液晶显示装置30的不同之处在于：本实施例的量子棒配向板54为两个，分别为541和542，其分别设置在液晶层53的两侧。即本实施例液晶层53的液晶全都是通过量子棒配向板54进行配向的。
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请参阅图6,图6是本发明实施例的一种液晶显示装置的又一结构示意图。如图6所示，本实施例的液晶显示装置60依然包括第一基板61、第二基板62、液晶层63、量子棒配向板64以及偏光片65。
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其中，本实施例的液晶显示装置60与图4所示的液晶显示装置40的不同之处在于：本实施例的量子棒配向板64为两个，分别为641和642，其分别设置在液晶层63的两侧。即本实施例液晶层63的液晶全都是通过量子棒配向板64进行配向的。
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综上所述，本实施例的量子棒配向板实现了对液晶进行配向的功能，同吋也实现了偏光的功能，使得液晶显示装置可以省去一个偏光片，因此节省了制作成本，并且减少了液晶显示装置的厚度，从而提高液晶显示装置的穿透率和亮度以上所述仅为本发明的实施例，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 (14)

  1. 一种量子棒配向板的制造方法，其中，所述制造方法包括：
    提供一基板；
    在所述基板上方设置量子棒层，所述量子棒层的表面具有第一基团，所述第一基团包括配向基团，所述配向基团用于对所述液晶进行配向。
  2. 根据权利要求1所述的制造方法，其中，所述在所述基板上方设置量子棒层的步骤之前还包括：
    在所述基板上设置一薄膜，所述薄膜包括第二基团，其中所述第二基团包括第一结合基团；
    所述在所述基板上方设置量子棒层的步骤具体包括：制备含多个量子棒的功能层，所述量子棒的表面具有所述第一基团，所述第一基团还包括第二结合基团，所述第二结合基团与所述第一结合基团进行结合，使得量子棒形成平躺状态。
  3. 根据权利要求2所述的制造方法，其中，所述在所述基板上设置一薄膜的步骤之前包括：
    在所述基板上设置电极；
    所述在所述基板上方设置量子棒层的步骤还包括：
    对所述电极通电，以形成电场，使得处于平躺状态的所述量子棒旋转，形成定向排列以使所述量子棒层具有偏光特性。
  4. 根据权利要求2所述的制造方法，其中，所述第二结合基团与所述第一结合基团进行结合的步骤包括：
    所述第二结合基团通过吸附或键结的作用与第一结合基团进行结合。
  5. 一种量子棒配向板，其中，所述量子棒配向板包括：
    基板；
    量子棒层，设置在所述基板上方，在所述量子棒层的表面设置第一基团，所述第一基团包括配向基团，所述配向基团用于对所述液晶进行配向。
  6. 根据权利要求5所述的量子棒配向板，其中，所述量子棒配向板还包括：
    薄膜，设置在所述基板和所述量子棒层之间，所述薄膜包括第二基团，其中所述第二基团包括第一结合基团；
    所述量子棒层包括含多个量子棒的功能层，所述量子棒的表面具有所述第一基团，所述第一基团还包括第二结合基团，所述第二结合基团与所述第一结合基团进行结合，使得量子棒形成平躺状态。
  7. 根据权利要求6所述的量子棒配向板，其中，所述第二结合基团通过吸附或键结的作用与第一结合基团进行结合。
  8. 根据权利要求6所述的量子棒配向板，其中，所述量子棒配向板还包括：
    电极，设置在所述基板与所述薄膜之间，所述电极在通电时形成电场，使得处于平躺状态的所述量子棒旋转，形成定向排列以使所述量子棒层具有偏光特性。
  9. 一种液晶显示装置，其中，所述液晶显示装置包括：
    相对设置的第一基板和第二基板；
    液晶层，设置在所述第一基板和第二基板之间；
    量子棒配向板，设置在所述液晶层的至少一侧，其中，所述量子棒配向板包括：
    基板；
    量子棒层，设置在所述基板上方，在所述量子棒层的表面设置第一基团，所述第一基团包括配向基团，所述配向基团用于对所述液晶进行配向。
  10. 根据权利要求9所述的液晶显示装置，其中，所述量子棒配向板还包括：
    薄膜，设置在所述基板和所述量子棒层之间，所述薄膜包括第二基团，其中所述第二基团包括第一结合基团；
    所述量子棒层包括含多个量子棒的功能层，所述量子棒的表面具有所述第一基团，所述第一基团还包括第二结合基团，所述第二结合基团与所述第一结合基团进行结合，使得量子棒形成平躺状态。
  11. 根据权利要求10所述的液晶显示装置，其中，所述第二结合基团通过吸附或键结的作用与第一结合基团进行结合。
  12. 根据权利要求10所述的液晶显示装置，其中，所述量子棒配向板还包括：
    电极，设置在所述基板与所述薄膜之间，所述电极在通电时形成电场，使得处于平躺状态的所述量子棒旋转，形成定向排列以使所述量子棒层具有偏光特性。
  13. 根据权利要求9所述的液晶显示装置，其中，所述量子棒配向板设置在所述液晶层的两侧，所述液晶显示装置还包括偏光片，所述偏光片设置在所述量子棒配向板远离所述液晶层的一侧，用于与所述量子棒配向板作用来得到偏振光。
  14. 根据权利要求9所述的液晶显示装置，其中，所述量子棒配向板设置在所述液晶层的一侧，所述液晶显示装置还包括偏光片和配向膜；
    所述偏光片设置在所述量子棒配向板远离所述液晶层的一侧，用于与所述量子棒配向板作用来得到偏振光；
    所述配向膜设置在所述液晶层的另一侧，用于对所述液晶层另一侧的液晶进行配向。
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