WO2016155060A1 - 制造液晶盒的方法、液晶盒以及显示器 - Google Patents

制造液晶盒的方法、液晶盒以及显示器 Download PDF

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Publication number
WO2016155060A1
WO2016155060A1 PCT/CN2015/077269 CN2015077269W WO2016155060A1 WO 2016155060 A1 WO2016155060 A1 WO 2016155060A1 CN 2015077269 W CN2015077269 W CN 2015077269W WO 2016155060 A1 WO2016155060 A1 WO 2016155060A1
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Prior art keywords
shielding layer
light shielding
polarizer
transparent substrate
disposed
Prior art date
Application number
PCT/CN2015/077269
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English (en)
French (fr)
Inventor
唐岳军
Original Assignee
深圳市华星光电技术有限公司
武汉华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司, 武汉华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/778,127 priority Critical patent/US10012862B2/en
Publication of WO2016155060A1 publication Critical patent/WO2016155060A1/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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • 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
    • 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
    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • 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
    • G02F1/1341—Filling or closing of cells

Definitions

  • the present invention relates to the field of display technology, and in particular to a method of manufacturing a liquid crystal cell.
  • the invention also relates to a liquid crystal cell produced by this method.
  • the invention also relates to a display comprising such a liquid crystal cell.
  • Liquid crystal display technology is a display technology that is highly developed and highly valued today. As the cornerstone of the information industry, it involves a wide range of technologies and a strong driving force in the industry. It is an important embodiment of the country's industrialization capabilities and competitiveness. Among them, the liquid crystal cell is one of the main cores in the liquid crystal display technology.
  • a black matrix is usually provided in the liquid crystal cell to prevent the backlight from leaking from the non-display area.
  • a black matrix cannot be placed at or around the sealant. This is to ensure that the sealant can be cured smoothly when the ultraviolet light is irradiated from the side.
  • the backlight will leak out from the place where the black matrix is not set in the frame, which results in poor display of the liquid crystal cell, and the user cannot obtain high quality image information therefrom.
  • the present invention proposes a method of manufacturing a liquid crystal cell, and the liquid crystal cell manufactured by the method has a better display effect.
  • the present invention also proposes a liquid crystal cell obtained by the above method, which has a better display effect.
  • the present invention also proposes a display using the above liquid crystal cell, which display display is better.
  • a method for manufacturing a liquid crystal cell comprising: providing a sealant between a transparent substrate of a color filter panel and an array panel; and a side of the color filter panel facing away from the array panel Facing the frame
  • the ultraviolet light is cured to the sealant to fix the transparent substrate to the array plate; the light shielding layer is disposed, the light shielding layer is disposed on a side of the transparent substrate facing away from the array plate, and the shielding layer of the light shielding layer in the vertical direction is covered.
  • Frame glue
  • the liquid crystal cell when the sealant is cured, the liquid crystal cell is transparent on the side of the color filter plate, so that the ultraviolet light can be smoothly irradiated to the sealant to be cured.
  • a light shielding layer is disposed at a corresponding position on the side of the light-transmitting substrate facing away from the array plate. The light shielding layer covers the corresponding position of the sealant, so that the backlight cannot be penetrated therefrom, thereby not affecting the display effect of the manufactured liquid crystal cell.
  • the frame of the display using the liquid crystal cell can be made narrower or even a frameless display.
  • a black matrix is disposed on the surface of the light-transmitting substrate facing the array plate, the black matrix does not overlap the sealant, and the projection of the light-shielding layer in the vertical direction partially overlaps the black matrix. In this way, the backlight passing between the black matrix and the sealant can be effectively blocked by the light shielding layer, thereby further ensuring the display effect of the manufactured liquid crystal cell.
  • the light shielding layer is attached to the surface of the light transmissive substrate facing away from the array plate.
  • the shading layer is processed in a convenient manner and has a low manufacturing cost.
  • the color filter plate further includes a polarizer disposed on a side of the transparent substrate facing away from the array plate, the light shielding layer is disposed on the surface of the polarizer, and the polarizer is disposed on the light shielding substrate toward the transparent substrate.
  • the surface of the light-transmitting substrate is disposed on the surface of the light-transmitting substrate such that the polarizing plate faces away from the light-transmitting substrate.
  • the color filter panel further includes a polarizer on a side of the transparent substrate facing away from the array panel, and the light shielding layer is disposed inside the polarizer.
  • the simple structure of the liquid crystal cell is simple in manufacturing process and low in manufacturing cost.
  • the light-shielding layer provided inside the polarizer has high stability, and the display effect of the liquid crystal cell can be further ensured.
  • a liquid crystal cell manufactured by the above method, the liquid crystal cell comprising: a color filter plate comprising a light transmissive substrate, and an array plate spaced from the light transmissive substrate And a sealant disposed between the transparent substrate and the array plate to connect the transparent substrate and the array plate, wherein a light shielding layer is disposed on a side of the transparent substrate facing away from the array plate, and the light shielding layer is vertically The projection covers the sealant.
  • the color filter panel further includes a polarizer disposed on a side of the transparent substrate facing away from the array panel, and the light shielding layer is disposed between the polarizer and the transparent substrate.
  • the shading layer is processed in a convenient manner, has a low manufacturing cost, and has a better shading effect.
  • the color filter panel further includes a polarizer on a side of the transparent substrate facing away from the array panel.
  • the light shielding layer is disposed inside the polarizer.
  • the simple structure of the liquid crystal cell is simple in manufacturing process and low in manufacturing cost.
  • the light-shielding layer provided inside the polarizer has high stability, and the display effect of the liquid crystal cell can be further ensured.
  • the color filter panel further includes a polarizer on a side of the transparent substrate facing away from the array panel, and the light shielding layer is disposed on a surface of the polarizer facing away from the transparent substrate.
  • the shading layer is processed in a convenient manner and has a low manufacturing cost.
  • a display comprising the above liquid crystal cell.
  • the above liquid crystal cell is manufactured according to the above manufacturing method.
  • Such a display has a better display effect, and its bezel can be made narrower, and even such a display can have no bezel.
  • the backlight is incident into the liquid crystal cell from the side where the array plate is located, and is emitted from the side where the color filter plate is located.
  • the sealed backlight will be blocked by the light shielding layer, so that the backlight cannot penetrate the light shielding layer, thereby effectively preventing the backlight from leaking from the sealing frame.
  • This allows the light to obtain the desired color and intensity of light without passing through the backlight after passing through the liquid crystal cell, thereby ensuring the color purity of the light emitted through the liquid crystal cell, thereby increasing the color of the light. Contrast.
  • vertical direction refers to a direction perpendicular to the plane in which the color filter panel is located.
  • the advantages of the invention are as follows: (1) When the sealant is cured, one side of the color filter plate is transparent, so that ultraviolet light can be smoothly irradiated to the sealant to cure it. After the frame sealant is cured, a light shielding layer is disposed at a corresponding position on the side of the light-transmitting substrate facing away from the array plate. (2) The light shielding layer covers the corresponding position of the sealant, so that the backlight cannot be penetrated therefrom, thereby not affecting the display effect of the manufactured liquid crystal cell. (3) Since the backlight cannot be ejected therefrom, the frame of the display using the liquid crystal cell can be made narrower or even a frameless display.
  • Fig. 1 shows a first embodiment of the liquid crystal cell of the present invention.
  • Fig. 2 shows a second embodiment of the liquid crystal cell of the present invention.
  • Fig. 3 shows a third embodiment of the liquid crystal cell of the present invention.
  • Fig. 4 shows a fourth embodiment of the liquid crystal cell of the present invention.
  • Fig. 5 is a view showing the curing of the sealant of the liquid crystal cell of the present invention.
  • FIG. 1 to 4 schematically show the structure of a liquid crystal cell 100 of the present invention.
  • the liquid crystal cell 100 includes a color filter plate, an array plate 20, and a sealant 30 disposed between the color filter plate and the array plate 20 and connecting the color filter plate and the array plate 20.
  • the color filter plate is opposite to the array plate 20 and forms a closed liquid crystal cavity 40 together with the sealant 30.
  • a display area 13 is disposed in the liquid crystal cavity 40, and light incident from the array board 20 into the liquid crystal cell 100 can be converted into light of a desired color and brightness after passing through the display area 13, and is removed from the color filter plate. Side shot.
  • the structure of the display area 13 is known and will not be described herein.
  • the structure of the non-display area of the liquid crystal cell 100 will be further described below.
  • the non-display area 13 referred to herein is an area in which the sealant 30 and its surroundings are provided.
  • the sealant 30 is generally transparent so that light passes directly therethrough.
  • the backlight is incident on one side of the array panel 20 and is converted to light of the desired color and brightness after passing through the display area 13.
  • the backlight is also directly emitted from one side of the color filter plate through a portion where the sealant 30 is disposed. At this time, the emitted backlight interferes with the light emitted from the display region 13, thereby causing a light mixing phenomenon, reducing the color contrast of the light emitted from the liquid crystal cell, and reducing the sharpness and color vividness of the displayed image.
  • the color filter plate of the present application includes a transparent substrate 11 which is connected to the sealant 30 on the inner surface thereof, and the transparent substrate 11 together with the sealant 30 and the array plate 20
  • the liquid crystal cavity 40 is enclosed.
  • a light shielding layer is disposed on a side of the transparent substrate 11 facing away from the sealant 30, and the light shielding layer is configured such that the projection in the vertical direction can completely cover the sealant 30.
  • the backlight passes through the sealant 30, it is blocked by the light shielding layer without penetrating outside the liquid crystal cell 100, preventing the backlight passing through the sealant 30 from passing through the display area 13.
  • the light of the desired color and brightness is mixed.
  • the use of such a liquid crystal cell 100 can prevent the backlight from leaking from the sealant 30, improve the color purity of the light passing through the liquid crystal cell 100, and improve the display contrast, thereby effectively improving the display effect of the liquid crystal cell 100.
  • the sealant 30 is usually formed by curing a colloid. As shown in FIG. 5, after the transparent substrate 11, the sealant 30, and the array plate 20 are stacked, the frame sealant 30 is cured by the ultraviolet light incident on the side where the transparent substrate 11 is located. In order to ensure the smooth progress of the curing sealant 30, the light shielding layer covering the sealant 30 should be processed on the color film after the sealant 30 is cured, and the light shielding layer 121 should be disposed on the transparent substrate 11 back to the sealant. One side of 30.
  • the projection of the light shielding layer 121 on the inner surface of the light transmissive substrate 11 should cover the entire sealant 30.
  • This arrangement of the light shielding layer 121 can effectively prevent the backlight from passing through to cause a light mixing phenomenon with the light emitted from the display region 13.
  • the arrangement of the light shielding layer 121 does not hinder the curing of the sealant 30, so that those skilled in the art can cure the sealant 30 by the conventional curing process known in the prior art, and the process is simple and the manufacturing cost is relatively high. Low, without having to invent new curing methods, no need to design and manufacture new curing equipment, no need to retrain the operators.
  • the light shielding layer 121 may be disposed in a plurality of forms on a side of the transparent substrate 11 facing away from the sealant 30.
  • Figure 1 shows a first embodiment of the invention.
  • the light shielding layer 121 is directly bonded to the transparent substrate 11 after the frame sealant 30 is cured.
  • the color filter panel preferably further includes a polarizer 14 disposed on the outer surface of the light-transmitting substrate 11.
  • the inner surface referred to herein is a surface facing the array substrate or the frame, and the outer surface is a surface facing away from the array substrate or the frame.
  • Figure 2 shows a second embodiment of the invention.
  • the light shielding layer 121 is first disposed on a side of the polarizer 14 facing the light-transmitting substrate 11. After the sealant 30 is cured, the polarizer 14 provided with the light shielding layer 121 is disposed on the transparent substrate 11, so that the light shielding layer 121 can effectively prevent the backlight from being emitted from the set sealant 30. At this time, the light shielding layer 121 is sandwiched between the transparent substrate 11 and the polarizer 14 .
  • the distance between the light shielding layer 121 and the black matrix 122 is relatively short, the portion where the light shielding layer overlaps the black matrix can be set small, thereby reducing the manufacturing cost of the liquid crystal cell.
  • Figure 3 shows a third embodiment of the invention.
  • the light shielding layer 121 is embedded in the inside of the polarizing plate 14 when it is manufactured. After the frame sealant 30 is cured, the polarizer 14 in which the light shielding layer 121 is embedded is disposed on the light-transmitting substrate 11, and the light-shielding layer 121 can effectively prevent the backlight from passing through.
  • Figure 4 shows a fourth embodiment of the invention.
  • the light shielding layer 121 is attached to the side of the polarizer 14 facing away from the transparent substrate 11. After the sealant 30 is cured, the polarizer 14 is placed on the light-transmitting substrate 11. It should be noted here that the light shielding layer 121 may be first disposed on the polarizer 14 and then the polarizer 14 may be disposed on the light transmissive substrate 11. It is also possible to process the light shielding layer 121 on the polarizer 14 after the polarizer 14 is placed on the light-transmitting substrate 11.
  • the light shielding layer 121 of the above four embodiments can be conveniently processed onto the transparent substrate 11 or the polarizing plate 14, which facilitates the processing of the liquid crystal cell 100, reduces the manufacturing process difficulty of the liquid crystal cell 100, and improves the liquid crystal cell 100. Production efficiency.
  • the light shielding layer 121 in the third embodiment is embedded in the polarizer 14 Therefore, the backlight is less likely to be deviated, and the backlight further ensures that the light shielding layer 121 is effectively intercepted without being mixed with the light passing through the liquid crystal cell 100 and passing through the display region 13.
  • the light shielding layer can be disposed in sections, that is, the light shielding layer can be disposed at the same time in any two or more of the above four embodiments to suit the specific use requirements.
  • the light shielding layer 121 it is preferable to set the light shielding layer 121 to be large so large that the area projected on the inner surface of the light shielding layer 121 is larger than the area projected on the inner surface of the sealant 30. In this way, the light shielding layer 121 can not only block the backlight at the sealant 30, but also block the backlight around the sealant 30, further eliminating the possibility of the backlight passing through the liquid crystal cell 100, thereby further improving the liquid crystal cell. 100 display effect.
  • the light shielding layer 121 may preferably be a black matrix made of a light absorbing material such as metallic chromium or black resin.
  • a black matrix 122 may be disposed on the inner surface of the transparent substrate 11, and the black matrix 122 does not extend to the position where the sealant 30 is located to ensure the smooth progress of the sealant 30.
  • the black matrix 122 can be extended into the display region 13 to perform color separation in the display region 13. The arrangement of the black matrix 122 is well known to those skilled in the art and will not be described herein.
  • the light shielding layer 121 may be disposed such that the projection on the inner surface thereof covers the structure of the gap, or more preferably, the light shielding layer 121 and the black matrix 122 overlap each other to further prevent the backlight from passing through the liquid crystal cell 100.
  • a metal layer 21 may also be disposed on the array board 20, and the metal layer 21 is a metal trace to ensure normal electrical connection of the liquid crystal cell 100.
  • the metal layer 21 is opaque, so that the metal layer 21 is disposed at the junction of the array board 20 and the sealant 30, and the light transmittance of the display area 13 can be ensured, thereby ensuring the brightness of the light passing through the liquid crystal cell 100. Further, the display effect of the liquid crystal cell 100 is ensured.
  • the metal layer 21 may have a complete surface as shown in Figs. 1 to 4, i.e., a whole piece, without a structure such as a hole or a slit.
  • Such a metal layer 21 is easy to process, and the processing cost is low, thereby further reducing the processing difficulty of the liquid crystal cell 100 and reducing the processing cost of the liquid crystal cell 100.
  • the structure of the array panel 20 is well known to those skilled in the art and will not be described herein.
  • the non-display area can be made smaller.
  • the bezel for occluding such a non-display area can be correspondingly narrowed, and even a frameless display can be produced.
  • an integrated gate drive circuit can be used within the liquid crystal cell 100, in which case the metal layer 21 can include an integrated gate drive circuit to make the frame of the display narrower.
  • the structure and arrangement of the integrated gate and the driving circuit are well known to those skilled in the art, and are not described herein.
  • border means a portion on the surface of the display that blocks the non-display area from light leakage, which is well known to those skilled in the art.
  • the method of manufacturing the above liquid crystal cell is as follows:
  • Step 1 providing a sealant between a transparent substrate and an array plate
  • Step 2 irradiating ultraviolet light to the frame sealant from the side where the light-transmitting substrate is disposed to be solidified, and the framed adhesive after curing can fix the transparent substrate to the array plate;
  • Step 3 A light shielding layer is disposed on a side of the transparent substrate facing away from the array plate.
  • the light shielding layer is disposed at a position opposite to the sealant so that its projection in the vertical direction can cover the sealant. Thus, the backlight passing through the sealant can be blocked by the light shielding layer so that it cannot be transmitted outside the color filter panel.
  • the color filter panel may include a polarizer. If the light shielding layer is disposed on the surface of the transparent substrate facing away from the array plate, in step 3, the light shielding layer is first disposed on the transparent substrate, and then the polarizer is covered on the transparent substrate provided with the light shielding layer.
  • the light shielding layer is disposed on the surface of the polarizer facing the transparent substrate, the light shielding layer is first disposed on the polarizer, and then the polarizer is disposed on the transparent substrate.
  • the arrangement of the above two kinds of light shielding layers belongs to the case where the light shielding layer is disposed between the polarizer and the light transmissive substrate. This is true even if the polarizer does not completely cover the light shielding layer or even cover the light shielding layer.

Abstract

一种制造液晶盒（100）的方法、液晶盒（100）以及显示器，其包括：在彩膜板的透光基板（11）与阵列板（20）之间设置封框胶（30）；从彩膜板背向阵列板（20）的一侧朝向封框胶（30）照射紫外光至封框胶（30）固化，以使透光基板（11）与阵列板（20）固定相连；设置遮光层（121），遮光层（121）设置于透光基板（11）背向阵列板（20）的一侧，遮光层（121）沿竖直方向上的投影覆盖封框胶（30）。使用这种方法制得的液晶盒（100）具备较好的显示效果。

Description

制造液晶盒的方法、液晶盒以及显示器
相关申请的交叉引用
本申请要求享有于2015年4月2日提交的名称为“制造液晶盒的方法、液晶盒以及显示器”的中国专利申请CN201510152319.0的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本发明涉及显示技术领域，特别是涉及一种制造液晶盒的方法。本发明还涉及由这种方法制得的液晶盒。本发明还涉及包括这种液晶盒的显示器。
背景技术
液晶显示技术是在当今高度发展并备受重视的一项显示技术。其作为信息产业的基石，涉及技术面宽，产业带动力大，是国家工业化能力和竞争力的重要体现。其中，液晶盒是液晶显示技术中的主要核心之一。
在现有技术中，液晶盒内通常设置有黑矩阵以防止背光从非显示区域泄漏。但是碍于现有的加工工艺，在封框胶处及其周围无法设置黑矩阵。这是为了保证在紫外光从该侧照射封框胶时，封框胶能顺利固化。但是这样，背光会从封框未设置黑矩阵的地方泄漏出，从而导致这种液晶盒的显示效果较差，令使用者无法从中获取到高质量的图像信息。
因此，需要一种能提高制造出的液晶盒的显示效果的制造液晶盒的方法。
发明内容
针对上述问题，本发明提出了一种制造液晶盒的方法，使用这种方法制造出的液晶盒显示效果较好。本发明还提出了一种由上述方法制得的液晶盒，这种液晶盒的显示效果较好。本发明还提出了一种使用上述液晶盒的显示器，这种显示器的显示效果较好。
根据本发明的第一方面，提出了一种制造液晶盒的方法，其包括：在彩膜板的透光基板与阵列板之间设置封框胶；从彩膜板背向阵列板的一侧朝向封框胶照 射紫外光至封框胶固化，以使透光基板与阵列板固定相连；设置遮光层，遮光层设置于透光基板背向阵列板的一侧，遮光层沿竖直方向上的投影覆盖封框胶。
通过本发明的制造液晶盒的方法，在封框胶固化时，液晶盒在彩膜板一侧为透光的，从而紫外光能顺利照射到封框胶以使其固化。而在封框胶固化后，再在透光基板背向阵列板的一侧的相应位置设置遮光层。遮光层遮盖在封框胶的相应位置，从而背光无法从此处射穿，从而不会影响制造出的液晶盒的显示效果。此外，由于背光无法从此处射出，从而使用这种液晶盒的显示器的边框也能做得更窄，甚至做到无边框的显示器。
在一个实施例中，在透光基板朝向阵列板的表面上设置有黑矩阵，黑矩阵不与封框胶相交叠，遮光层沿竖直方向上的投影与黑矩阵部分重叠。这样，从黑矩阵与封框胶之间穿过的背光能被遮光层有效阻挡，从而进一步保证了制造出的液晶盒的显示效果。
在一个实施例中，遮光层贴设在透光基板背向阵列板的表面上。这种遮光层的加工方式十分方便，制造成本较低。
在一个实施例中，彩膜板还包括处于透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片的表面上，将偏光片以遮光层朝向透光基板的方式设置在透光基板的表面上，或将偏光片以遮光层背向透光基板的方式设置在透光基板的表面上。这种结构简单的液晶盒制造工艺简便，制造成本较低。
在一个实施例中，彩膜板还包括处于透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片内部。这种结构简单的液晶盒制造工艺简便，制造成本较低。另外，设置在偏光片内部的遮光层稳定性高，能进一步保证液晶盒的显示效果。
根据本发明的第二方面，提出了一种液晶盒，其使用上述方法制造而成，液晶盒包括：彩膜板，彩膜板包括透光基板，与透光基板正对式间隔的阵列板，以及设置于透光基板与阵列板之间以连接透光基板与阵列板的封框胶，其中，在透光基板背向阵列板的一侧设置有遮光层，遮光层沿竖直方向上的投影覆盖封框胶。
在一个实施例中，彩膜板还包括处于透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片与透光基板之间。这种遮光层的加工方式十分方便，制造成本较低，并且遮光效果更好。
在一个实施例中，彩膜板还包括处于透光基板背向阵列板的一侧的偏光片， 遮光层设置于偏光片内部。这种结构简单的液晶盒制造工艺简便，制造成本较低。另外，设置在偏光片内部的遮光层稳定性高，能进一步保证液晶盒的显示效果。
在一个实施例中，彩膜板还包括处于透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片背向透光基板的表面上。这种遮光层的加工方式十分方便，制造成本较低。
根据本发明的第三个方面，还提出了一种显示器，其包括上述液晶盒。上述液晶盒是根据上述制造方法制造而成的。这种显示器的显示效果更好，并且其边框能做得更窄，甚至这种显示器可不具有边框。
通过本发明提出的液晶盒，背光从阵列板所在的一侧射入液晶盒内，并从彩膜板所在的一侧射出。经过封框的背光会被这种遮光层所遮挡，使背光无法穿透遮光层，从而有效防止了背光由封框处泄漏。这使得光在穿过液晶盒后，能如预期的那样得到所需颜色和强度的光而不会与背光混色，从而保证了经液晶盒而射出的光的颜色纯度，进而提高了光的颜色对比度。
应理解地是，这里所说的“竖直方向”指的是与彩膜板所在的平面相垂直的方向。
与现有技术相比，本发明的优点在于：(1)在封框胶固化时，彩膜板一侧为透明的，从而紫外光能顺利照射到封框胶以使其固化。而在封框胶固化后，再在透光基板背向阵列板的一侧的相应位置设置遮光层。(2)遮光层遮盖在封框胶的相应位置，从而背光无法从此处射穿，从而不会影响制造出的液晶盒的显示效果。(3)由于背光无法从此处射出，从而使用这种液晶盒的显示器的边框也能做得更窄，甚至做到无边框的显示器。
附图说明
在下文中将基于实施例并参考附图来对本发明进行更详细的描述。其中：
图1显示了本发明的液晶盒的第一个实施例。
图2显示了本发明的液晶盒的第二个实施例。
图3显示了本发明的液晶盒的第三个实施例。
图4显示了本发明的液晶盒的第四个实施例。
图5显示了本发明的液晶盒的封框胶固化示意图。
在附图中，相同的部件使用相同的附图标记。附图并未按照实际的比例绘制。
具体实施方式
下面将结合附图对本发明作进一步说明。
图1到4示意性地显示了本发明的液晶盒100的结构。
液晶盒100包括彩膜板，阵列板20，和设置在彩膜板与阵列板20之间并连接彩膜板与阵列板20的封框胶30。彩膜板与阵列板20正对，并与封框胶30一起形成密闭的液晶腔40。在液晶腔40内设置有显示区域13，从阵列板20射入到液晶盒100内的光在穿过显示区域13后，能转换为所需颜色和亮度的光，并从彩膜板的一侧射出。显示区域13的结构为已知的，在此不加赘述。下面将对液晶盒100的非显示区域的结构进行更进一步的描述。
这里所说的非显示区域13为设置封框胶30及其周围的区域。封框胶30通常为透明的，因而光会直接由此处穿过。通常在显示器中，背光由阵列板20的一侧射入，在通过显示区域13后转变为所需的颜色和亮度的光。而背光也会穿过设置封框胶30的部分而从彩膜板的一侧直接射出。此时，射出的背光会对从显示区域13射出的光造成干扰，从而产生混光现象，降低了从液晶盒内射出的光的颜色对比度，降低了显示图像的清晰度和颜色鲜艳度。为了防止混光现象的产生，本申请的彩膜板包括透光基板11，透光基板11在其内表面上与封框胶30相连，透光基板11与封框胶30和阵列板20一起围成液晶腔40。并且，在透光基板11背向封框胶30的一侧设置遮光层，遮光层构造为其沿竖直方向上的投影能完全覆盖封框胶30。这样，当背光穿过封框胶30后，会被遮光层所遮挡而不会穿透到液晶盒100之外，防止了从封框胶30处穿过的背光与从显示区域13穿过的所需颜色和亮度的光发生混光。使用这种液晶盒100能防止背光由封框胶30处泄漏，提高了穿过液晶盒100的光的颜色纯度，提高了显示对比度，从而有效提高了液晶盒100的显示效果。
封框胶30通常是由胶体固化而成的。如图5所示的那样，在将透光基板11、封框胶30以及阵列板20叠置后，由透光基板11所在的一侧射入紫外光线对封框胶30进行固化。为了保证固化封框胶30的顺利进行，覆盖封框胶30的遮光层应在封框胶30固化后再加工到彩膜板上，遮光层121应设置在透光基板11背向封框胶30的一侧。
遮光层121在透光基板11的内表面上的投影应能覆盖整个封框胶30。遮光层121的这种设置能有效防止背光由此穿过而与显示区域13射出的光发生混光现象。此外，遮光层121的这种设置不妨碍封框胶30的固化，从而使得本领域技术人员通过现有已知的传统的固化工艺即可对封框胶30进行固化，工艺简单，制造成本较低，而不必再发明新的固化方式，不必再设计并制造新的固化设备，不用对作业人员重新进行培训。
如图1到4所示，遮光层121可以以多种形式设置于透光基板11背向封框胶30的一侧。
图1显示了本发明的第一个实施例。在本实施例中，遮光层121在封框胶30固化后，直接贴合到透光基板11上。
如图2到4所示，彩膜板还优选地包括设置在透光基板11的外表面上的偏光片14。这里所说的内表面为朝向阵列基板或封框的面，而外表面为背向阵列基板或封框的面。
图2显示了本发明的第二个实施例。在本实施例中，遮光层121先设置在偏光片14朝向透光基板11的一侧。在封框胶30固化后，再将设置有遮光层121的偏光片14设置到透光基板11上，使遮光层121能有效防止背光从设置封框胶30处射出。此时，遮光层121夹在透明基板11与偏光片14之间。另外，由于这种遮光层121与黑矩阵122的距离较近，因此遮光层与黑矩阵交叠的部分可以设置得较小，从而降低了液晶盒的制造成本。
图3显示了本发明的第三个实施例。在本实施例中，遮光层121在制造偏光片14时嵌入到其内部。在封框胶30固化后，将嵌入有遮光层121的偏光片14设置到透光基板11上，遮光层121能有效防止背光穿过。
图4显示了本发明的第四个实施例。在本实施例中，遮光层121贴合在偏光片14背向透光基板11的一侧。在封框胶30固化后，将偏光片14设置到透光基板11上。这里应注意地是，可先将遮光层121设置到偏光片14上，再将偏光片14设置到透光基板11上。也可以在将偏光片14设置到透光基板11上以后，再在偏光片14上加工遮光层121。
上述四个实施例中的遮光层121均能方便地加工到透光基板11上或偏光片14上，方便了液晶盒100的加工，降低了液晶盒100的制造工艺难度，提高了液晶盒100的生产效率。另外，在第三个实施例中的遮光层121嵌入到偏光片14 内，从而使其不易发生偏离，进而背光进一步保证被遮光层121有效拦截，而不会穿过液晶盒100与从显示区域13穿出的光发生混光。
这里应理解地是，可分段设置遮光层，即是说，可同时按上述四个实施例中的任意两个或多个设置遮光层，以适应具体的使用需求。
可优选地将遮光层121设置得较大，大到令遮光层121在内表面上投影的面积大于封框胶30在内表面上投影的面积。这样，遮光层121不仅能对封框胶30处的背光进行遮挡，还可对封框胶30周围的背光进行遮挡，进一步消除了背光穿过液晶盒100的可能性，从而进一步提高了液晶盒100的显示效果。
这里应理解地是，可将遮光层121优选为黑矩阵，由金属铬或黑色树脂等吸光材料制成。
如图1到5所示，还可在透光基板11的内表面上设置黑矩阵122，黑矩阵122不会延伸到封框胶30所在的位置，以保证封框胶30固化的顺利进行。另外，黑矩阵122能延伸至显示区域13内，以对显示区域13内进行色阻分离。黑矩阵122的设置为本领域的技术人员所熟知的内容，在此不加赘述。
由于加工工艺的原因，封框胶30与黑矩阵122之间通常会存在间隙。可将遮光层121设置为其在内表面上的投影能覆盖该间隙的结构，或更优选地使遮光层121和黑矩阵122相互交叠，以进一步防止背光穿过液晶盒100。
另外，如图1到5中所示，还可在阵列板20上设置金属层21，金属层21为金属走线，以保证液晶盒100的正常电连接。金属层21为不透光的，因此将金属层21设置在阵列板20与封框胶30的连接处，能保证显示区域13的透光率，从而保证了穿过液晶盒100的光的亮度，进而保证了液晶盒100的显示效果。金属层21可如图1到4中所示的那样具有完整的表面，即为整片的，在其上不设置孔或缝隙等结构。这样的金属层21易于加工，加工成本低，从而更进一步地降低了液晶盒100的加工难度，减少了液晶盒100的加工成本。阵列板20的结构为本领域的技术人员所熟知的，在此不加赘述。
由于封框胶30及其周围的位置不易漏光，从而非显示区域可以制造为更小的尺寸。对于使用这种液晶盒100的显示器来说，其用于遮挡这种非显示区域的边框可相应地设置得加窄小，甚至可制作无边框的显示器。
优选地，可在液晶盒100内使用集成栅极驱动电路，此时金属层21可包含集成栅极驱动电路，从而能使显示器的边框更窄。集成栅及驱动电路的结构和设置方式为本领域技术人员所熟知的内容，在此不加赘述。
这里应理解地是，这里的边框意为在显示器表面用以遮挡非显示区域以防止其漏光的部分，其为本领域的技术人员所熟知的内容。
制造上述液晶盒的方法如下：
步骤一：在一个透光基板与一个阵列板之间设置封框胶；
步骤二：从设置透光基板的一侧向封框胶照射紫外光以使其固化，固化后的封框胶能使透光基板与阵列板固定相连；
步骤三：在透光基板背向阵列板的一侧设置遮光层。
将遮光层设置在与封框胶相对的位置，以使其沿竖直方向上的投影能覆盖封框胶。这样，穿过封框胶的背光能被遮光层挡住而使其无法透射到彩膜板之外。
彩膜板可包括偏光片。如果遮光层设置在透光基板背向阵列板的表面上，则在步骤三中先将遮光层设置在透光基板上，再将偏光片覆盖于设置有遮光层的透光基板上。
如果遮光层设置在偏光片朝向透光基板的表面上，则需先将遮光层设置在偏光片上，再将偏光片设置到透光基板上。
这里应理解地是，上述两种遮光层的设置方式均属于将遮光层设置于偏光片与透光基板之间的情况。即使偏光片并未完全覆盖遮光层或者甚至未覆盖遮光层，也是如此。
虽然已经参考优选实施例对本发明进行了描述，但在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (20)

  1. 一种制造液晶盒的方法，其包括：
    在彩膜板的透光基板与阵列板之间设置封框胶；
    从彩膜板背向阵列板的一侧朝向封框胶照射紫外光至所述封框胶固化，以使所述透光基板与阵列板固定相连；
    设置遮光层，所述遮光层设置于透光基板背向阵列板的一侧，遮光层沿竖直方向上的投影覆盖所述封框胶。
  2. 根据权利要求1所述的方法，其中，所述遮光层贴设在所述透光基板背向阵列板的表面上。
  3. 根据权利要求1所述的方法，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，所述遮光层设置于偏光片的表面上，
    将所述偏光片以遮光层朝向透光基板的方式设置在透光基板的表面上。
  4. 根据权利要求1所述的方法，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，所述遮光层设置于偏光片的表面上，
    将所述偏光片以遮光层背向透光基板的方式设置在透光基板的表面上。
  5. 根据权利要求1所述的方法，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，所述遮光层设置于所述偏光片内部。
  6. 根据权利要求1所述的方法，其中，在所述透光基板朝向阵列板的表面上设置有黑矩阵，所述黑矩阵不与封框胶相交叠，
    所述遮光层沿竖直方向上的投影与所述黑矩阵部分重叠。
  7. 根据权利要求6所述的方法，其中，所述遮光层贴设在所述透光基板背向阵列板的表面上。
  8. 根据权利要求6所述的方法，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，所述遮光层设置于偏光片的表面上，
    将所述偏光片以遮光层朝向透光基板的方式设置在透光基板的表面上。
  9. 根据权利要求6所述的方法，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，所述遮光层设置于偏光片的表面上，
    将所述偏光片以遮光层背向透光基板的方式设置在透光基板的表面上。
  10. 根据权利要求6所述的方法，其中，所述彩膜板还包括处于所述透光基 板背向阵列板的一侧的偏光片，所述遮光层设置于所述偏光片内部。
  11. 一种液晶盒，所述液晶盒包括：
    彩膜板，所述彩膜板包括透光基板，
    与所述透光基板正对式间隔的阵列板，以及
    设置于所述透光基板与阵列板之间以连接透光基板与阵列板的封框胶，
    其中，在所述透光基板背向阵列板的一侧设置有遮光层，所述遮光层沿竖直方向上的投影覆盖所述封框胶，
    制造所述液晶盒的方法包括：
    在彩膜板的透光基板与阵列板之间设置封框胶；
    从彩膜板背向阵列板的一侧朝向封框胶照射紫外光至所述封框胶固化，以使所述透光基板与阵列板固定相连；
    设置遮光层，所述遮光层设置于透光基板背向阵列板的一侧，遮光层沿竖直方向上的投影覆盖所述封框胶。
  12. 根据权利要求11所述的液晶盒，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片与透光基板之间。
  13. 根据权利要求11所述的液晶盒，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片内部。
  14. 根据权利要求11所述的液晶盒，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片背向透光基板的表面上。
  15. 根据权利要求11所述的液晶盒，其中，在所述透光基板朝向阵列板的表面上设置有黑矩阵，所述黑矩阵不与封框胶相交叠，
    所述遮光层沿竖直方向上的投影与所述黑矩阵部分重叠。
  16. 一种显示器，其包括液晶盒，所述液晶盒包括：
    彩膜板，所述彩膜板包括透光基板，
    与所述透光基板正对式间隔的阵列板，以及
    设置于所述透光基板与阵列板之间以连接透光基板与阵列板的封框胶，
    其中，在所述透光基板背向阵列板的一侧设置有遮光层，所述遮光层沿竖直方向上的投影覆盖所述封框胶，
    制造所述液晶盒的方法包括：
    在彩膜板的透光基板与阵列板之间设置封框胶；
    从彩膜板背向阵列板的一侧朝向封框胶照射紫外光至所述封框胶固化，以使所述透光基板与阵列板固定相连；
    设置遮光层，所述遮光层设置于透光基板背向阵列板的一侧，遮光层沿竖直方向上的投影覆盖所述封框胶。
  17. 根据权利要求16所述的显示器，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片与透光基板之间。
  18. 根据权利要求16所述的显示器，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片内部。
  19. 根据权利要求16所述的显示器，其中，所述彩膜板还包括处于所述透光基板背向阵列板的一侧的偏光片，遮光层设置于偏光片背向透光基板的表面上。
  20. 根据权利要求16所述的显示器，其中，在所述透光基板朝向阵列板的表面上设置有黑矩阵，所述黑矩阵不与封框胶相交叠，
    所述遮光层沿竖直方向上的投影与所述黑矩阵部分重叠。
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