WO2017133033A1 - 一种背光模组及其制造工艺 - Google Patents

一种背光模组及其制造工艺 Download PDF

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Publication number
WO2017133033A1
WO2017133033A1 PCT/CN2016/074573 CN2016074573W WO2017133033A1 WO 2017133033 A1 WO2017133033 A1 WO 2017133033A1 CN 2016074573 W CN2016074573 W CN 2016074573W WO 2017133033 A1 WO2017133033 A1 WO 2017133033A1
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WO
WIPO (PCT)
Prior art keywords
substrate
backlight module
plastic frame
light guide
guide plate
Prior art date
Application number
PCT/CN2016/074573
Other languages
English (en)
French (fr)
Inventor
徐鹏博
Original Assignee
武汉华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US15/021,710 priority Critical patent/US10203450B2/en
Publication of WO2017133033A1 publication Critical patent/WO2017133033A1/zh

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Classifications

    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • B29D11/00673—Supports for light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • B29D11/00721—Production of light guides involving preforms for the manufacture of light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • 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
    • G02F1/1336—Illuminating devices

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular, to a backlight module and a manufacturing process thereof.
  • the liquid crystal display technology has developed rapidly.
  • the backlight module is used to provide a light source.
  • the plastic frame in the backlight module is usually adhered to the back plate by double-sided tape and encloses an optical cavity.
  • the double-sided tape is easily assembled into the optical cavity due to tolerances during assembly, and the components such as the light guide plate of the optical cavity are raised.
  • the interval between the components of the optical cavity and the panel is reduced. If the optical cavity component is thermally expanded, the component cannot expand and release deformation due to the narrowing of the interval, and the expansion deformation will gather toward the center. Wave patterns appear, affecting the display of the LCD panel.
  • the invention provides a backlight module and a manufacturing process thereof to solve the technical problem that the backlight module in the prior art easily affects the display effect of the liquid crystal panel after the diaphragm is thermally expanded.
  • the present invention provides a backlight module including a substrate, a plastic frame, a light guide plate, and a diaphragm group.
  • the plastic frame is directly formed on the edge of the substrate by means of three-dimensional printing, and is common with the surrounding substrate. Forming a receiving space, the light guide plate and the diaphragm group are sequentially stacked in the receiving space;
  • the backlight module further includes a word-of-mouth glue, and the top surface of the adhesive tape and the outer surface of the film group are connected to the outer surface of the film group to connect the plastic frame and the film group, and the outer surface of the film group is opposite to the top surface of the plastic frame It is a stepped surface that is recessed toward the accommodating space.
  • the substrate is a metal back plate.
  • the substrate is a reflective sheet.
  • the present invention further provides a backlight module, which comprises a substrate, a plastic frame, a light guide plate and a film group.
  • the plastic frame is adhered to the substrate by printing and forms a receiving space together with the surrounding substrate.
  • the light guide plate and the diaphragm group are sequentially stacked and disposed in the accommodating space.
  • the plastic frame is directly formed on the edge of the substrate by three-dimensional printing.
  • the substrate is a metal back plate.
  • the substrate is a reflective sheet.
  • the backlight module further includes a word-of-mouth glue, and the top surface of the adhesive tape is separated from the top surface of the substrate and the outer surface of the film group to connect the plastic frame and the film group, and the outer side of the film group is opposite to the plastic frame
  • the top surface is a stepped surface that is recessed toward the receiving space.
  • the present invention also provides a manufacturing process of a backlight module, which comprises: printing a plastic frame adhered to a substrate on a substrate, and the plastic frame enclosing the substrate to form a receiving space; Place a light guide plate in the middle; stack the diaphragm on the light guide plate.
  • the step of printing on a substrate to form a plastic frame adhered to the substrate comprises: three-dimensional printing on the substrate to form a plastic frame adhered to the substrate.
  • the substrate is a metal back plate
  • the step of placing the light guide plate in the accommodating space includes: placing a reflective sheet in the accommodating space, and stacking the light guide plate on the reflective sheet.
  • the backboard is a reflective sheet.
  • the outer surface of the diaphragm group is opposite to the top surface of the plastic frame facing away from the substrate, and the manufacturing process further includes: affixing the top surface of the plastic frame and the outer surface of the diaphragm group by using the surface glue .
  • the backlight module of the present invention comprises a substrate, a plastic frame, a light guide plate and a film group, wherein the plastic frame is adhered to the substrate by printing, and the substrate is common to the substrate.
  • the accommodating space is formed, and the light guide plate and the film group are sequentially stacked in the accommodating space.
  • the plastic frame is directly printed on the substrate, and is not required to be adhered to the substrate by the double-sided tape, so the light guide plate and the diaphragm in the accommodating space are formed.
  • the group does not appear to be high by the double-sided rubber pad, that is, after the liquid crystal panel is assembled, the interval between the light guide plate and the film group and the panel is not reduced, and there is sufficient space for the film group to undergo thermal expansion and deformation. Therefore, there is no problem of wavy lines and it does not affect the display of the liquid crystal panel.
  • FIG. 1 is a schematic structural view of a first embodiment of a backlight module of the present invention
  • FIG. 2 is a top plan view of a first embodiment of a backlight module of the present invention
  • FIG. 3 is a schematic structural view of a second embodiment of a backlight module of the present invention.
  • FIG. 4 is a schematic flow chart of a first embodiment of a manufacturing process of a backlight module of the present invention.
  • FIG. 1 is a schematic structural view of a first embodiment of a backlight module of the present invention
  • FIG. 2 is a plan view of a first embodiment of a backlight module of the present invention.
  • the backlight module 100 of the present embodiment includes a substrate 11 , a plastic frame 12 , a light guide plate 13 , and a diaphragm group 14 .
  • the plastic frame 12 is adhered to the substrate 11 by printing, in particular, directly formed on the edge of the substrate 11 by means of 3D printing, that is, powdered plastic or metal bondable material, printed on the substrate 11 layer by layer. On top, a plastic or metal plastic frame 12 is formed.
  • the plastic frame 12 is disposed on the substrate 11 and forms a receiving space 15 with the substrate 11 .
  • the light guide plate 13 and the diaphragm group 14 are disposed in the receiving space 15 .
  • the light guide plate 13 and the diaphragm group 14 are sequentially stacked in the receiving space 15 .
  • the substrate 11 is a reflection sheet
  • the light guide plate 13 is disposed on the reflection sheet, and the reflection sheet can improve the utilization ratio of light.
  • the substrate 11 may also be a metal back plate according to different usage scenarios of the backlight module 100.
  • FIG. 3 is a schematic structural view of a second embodiment of a backlight module of the present invention.
  • the plastic frame 12 is formed on the edge of the metal back plate.
  • a reflective sheet 17 may be further disposed between the light guide plate 13 and the metal back plate, or a reflective film may be directly plated on the metal back plate.
  • the backlight module 100 further includes a surface adhesive 16 that adheres the top surface 121 of the plastic frame 12 away from the substrate 11 and the outer surface 141 of the diaphragm group 14 to connect the plastic frame 12 and the diaphragm group 14.
  • the mouthpiece glue 16 is set to black for connecting the frame 12 and the diaphragm group 14 while preventing light leakage.
  • the outer surface 141 of the diaphragm group 14 is a stepped surface that is recessed toward the receiving space 15 with respect to the top surface 121 of the plastic frame 12, that is, the outer surface 141 of the diaphragm group 14 and the top surface 121 of the plastic frame 12 are
  • a certain height drop h is generally between 0.02 and 0.03 mm.
  • the backlight module of the present invention comprises a substrate, a plastic frame, a light guide plate and a film group, wherein the plastic frame is adhered to the substrate by printing, and the surrounding substrate forms a receiving space, the light guide plate and The diaphragm group is sequentially stacked in the accommodating space.
  • the plastic frame is directly printed on the substrate, and is not required to be adhered to the substrate by the double-sided tape. Therefore, the light guide plate and the diaphragm group in the accommodating space do not appear to be double-sided.
  • FIG. 4 is a schematic flow chart of the first embodiment of the manufacturing process of the backlight module of the present invention.
  • the manufacturing process of this embodiment includes the steps of:
  • S11 printing on a substrate to form a plastic frame adhered to the substrate, and the plastic frame enclosing the substrate to form a receiving space.
  • step S11 specifically, a plastic frame adhered to the edge thereof is formed on the substrate by three-dimensional printing (3D printing).
  • the substrate is a reflection sheet, and in this step S12, the light guide plate is directly applied to the reflection sheet.
  • the substrate may be a metal backplane.
  • the step S12 further includes the following steps: S121: placing a reflective sheet in the receiving space; and S122: stacking the light guide plate on the reflective sheet.
  • the back panel is provided with a plastic frame and a diaphragm group.
  • the outer surface of the diaphragm group faces the top surface of the frame facing away from the substrate toward a recessed surface of the receiving space.
  • the mouth-shaped glue is generally black, which is connected to the plastic frame and the diaphragm group to further prevent light leakage.
  • the backlight module 100 can be obtained by using the manufacturing process. Therefore, the specific structure of the backlight module obtained after the above process steps is not described again.
  • the backlight module manufactured by the manufacturing process of the backlight module of the present invention does not affect the display of the liquid crystal panel due to thermal expansion.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
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  • Planar Illumination Modules (AREA)
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  • Crystallography & Structural Chemistry (AREA)

Abstract

一种背光模组（100）及其制造工艺。背光模组（100）包括基板（11）、胶框（12）、导光板（13）及膜片组（14），胶框（12）通过打印的方式粘附于基板（11）上且与围设基板（11）共同形成收容空间（15），导光板（13）和膜片组（14）依次层叠设置于收容空间（15）内。背光模组（100）不会在其膜片受热膨胀时影响液晶面板的显示。

Description

一种背光模组及其制造工艺
【技术领域】
本发明涉及液晶显示技术领域，特别涉及一种背光模组及其制造工艺。
【背景技术】
液晶显示技术发展迅速，其中背光模组用于提供光源，背光模组中胶框通常是通过双面胶粘附在背板上，并围成一个光学腔。该双面胶在组装时很容易由于公差而伸进光学腔，垫高光学腔的导光板等元件。在背光模组及面板进行组装后，光学腔的元件与面板之间的间隔缩小，若光学腔元件受热膨胀，由于间隔缩小，元件无法向四周膨胀释放变形，此时膨胀变形会向中心聚集，出现波浪纹，影响液晶面板的显示效果。
【发明内容】
本发明提出一种背光模组及其制造工艺，以解决现有技术中背光模组在其膜片受热膨胀后容易影响液晶面板显示效果的技术问题。
为解决上述技术问题，本发明提供一种背光模组，其包括基板、胶框、导光板及膜片组，胶框通过三维打印的方式直接形成于基板的边缘上，且与围设基板共同形成收容空间，导光板和膜片组依次层叠设置于收容空间内；
背光模组进一步包括口字胶，口字胶粘贴胶框的背离基板的顶面及膜片组的外侧面以连接胶框和膜片组，膜片组的外侧面相对胶框的顶面呈朝向收容空间凹进的台阶面。
其中，基板为金属背板。
其中，基板为反射片。
为解决上述技术问题，本发明又提出一种背光模组，其包括基板、胶框、导光板及膜片组，胶框通过打印的方式粘附于基板上且与围设基板共同形成收容空间，导光板和膜片组依次层叠设置于收容空间内。
其中，胶框通过三维打印的方式直接形成于基板的边缘上。
其中，基板为金属背板。
其中，基板为反射片。
其中，背光模组进一步包括口字胶，口字胶粘贴胶框的背离基板的顶面及膜片组的外侧面以连接胶框和膜片组，膜片组的外侧面相对胶框的顶面呈朝向收容空间凹进的台阶面。
为解决上述技术问题，本发明还提出一种背光模组的制造工艺，该制造工艺包括：在一基板上打印形成粘附于基板的胶框，胶框围设基板形成收容空间；在收容空间中放置导光板；在导光板上叠放膜片组。
其中，在一基板上打印形成粘附于基板的胶框的步骤包括：在基板上三维打印形成粘附于基板的胶框。
其中，基板为金属背板，在收容空间中放置导光板的步骤包括：在收容空间中放置反射片，在反射片上叠放导光板。
其中，背板为反射片。
其中，膜片组的外侧面相对胶框的背离基板的顶面呈朝向收容空间凹进的台阶面，制造工艺进一步包括：利用口字胶粘贴胶框的顶面和膜片组的外侧面。
本发明的有益效果是，区别于现有技术，本发明背光模组包括基板、胶框、导光板以及膜片组，其中胶框是通过打印的方式粘附在基板上，并且围设基板共同形成收容空间，导光板和膜片组依次层叠设置于收容空间内，本发明中胶框直接打印在基板上，无需通过双面胶粘贴在基板上，因此收容空间内的导光板及膜片组不会出现被双面胶垫高的情况，即在组装形成液晶面板后，导光板及膜片组与面板之间的间隔不会缩小，有足够的空间供膜片组发生受热膨胀变形，因此不会出现波浪纹的问题，不会影响到液晶面板的显示。
【附图说明】
图1是本发明背光模组第一实施方式的结构示意图；
图2是本发明背光模组第一实施方式的俯视图；
图3是本发明背光模组第二实施方式的结构示意图；
图4是本发明背光模组的制造工艺第一实施方式的流程示意图。
【具体实施方式】
参阅图1和图2，图1是本发明背光模组第一实施方式的结构示意图，图2是本发明背光模组第一实施方式的俯视图。本实施方式背光模组100，包括基板11、胶框12、导光板13和膜片组14。
胶框12通过打印的方式粘附在基板11上，具体来说是通过3D打印的方式直接形成在基板11的边缘上，即将粉末状的塑料或金属可粘合材料，逐层打印在基板11上，形成塑料或金属胶框12。
胶框12围设于基板11，并与基板11形成收容空间15，收容空间15内设置有导光板13及膜片组14，导光板13及膜片组14依次层叠设置在收容空间15内。
本实施方式中基板11为反射片，导光板13设置在反射片上，反射片能够提高光的利用率。
其他实施方式中，根据背光模组100使用场景的不同，基板11还可为金属背板。具体如图3所示，图3是本发明背光模组第二实施方式的结构示意图。其中，胶框12形成在金属背板的边缘。为提高光的利用率，导光板13与金属背板之间可进一步设置反射片17，或直接在金属背板上镀一层反射膜。
背光模组100进一步包括口字胶16，口字胶16粘贴胶框12的背离基板11的顶面121及膜片组14的外侧面141以连接胶框12和膜片组14。口字胶16设置为黑色，用于连接胶框12和膜片组14的同时还能够防止漏光。
本实施方式中，膜片组14的外侧面141相对胶框12的顶面121呈朝向收容空间15凹进的台阶面，即膜片组14的外侧面141与胶框12的顶面121有一定的高度落差h，该高度落差h一般在0.02~0.03mm之间，在组装形成液晶面板后，由于该高度落差的存在，膜片组14在受热膨胀后具有一定的变形空间。
区别于现有技术，本发明背光模组包括基板、胶框、导光板以及膜片组，其中胶框是通过打印的方式粘附在基板上，并且围设基板共同形成收容空间，导光板和膜片组依次层叠设置于收容空间内，本发明中胶框直接打印在基板上，无需通过双面胶粘贴在基板上，因此收容空间内的导光板及膜片组不会出现被双面胶垫高的情况，即在组装形成液晶面板后，导光板及膜片组与面板之间的间隔不会缩小，有足够的空间供膜片组发生受热膨胀变形，因此不会出现波浪纹的问题，不会影响到液晶面板的显示。
请参阅图4，图4是本发明背光模组的制造工艺第一实施方式的流程示意图。本实施方式制造工艺包括步骤：
S11：在一基板上打印形成粘附于基板的胶框，胶框围设基板形成收容空间。
本步骤S11中，具体是通过三维打印（3D打印）在基板上形成粘附在其边缘上的胶框。
S12：在收容空间中放置导光板。
本实施方式中基板为反射片，本步骤S12即直接在反射片上方式导光板。
其他实施方式中基板可为金属背板，此时，本步骤S12则进一步包括步骤：S121：在收容空间中放置反射片；S122：在反射片上叠放导光板。
S13：在导光板上叠放膜片组。
完成该步骤后背板上设置有胶框及膜片组。其中，膜片组的外侧面相对胶框的背离基板的顶面呈朝向收容空间凹进的台阶面。
S14：利用口字胶粘贴胶框的顶面和膜片组的外侧面。
口字胶一般选用黑色的，连接胶框及膜片组的同时，进一步防止漏光。
采用本制造工艺能够得到前述背光模组100，因此对于上述工艺步骤后得到的背光模组的具体结构不再赘述。
区别于现有技术，本发明背光模组的制造工艺所制得的背光模组不会因为受热膨胀而影响到液晶面板的显示。
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 (13)

  1. 一种背光模组，其中，所述背光模组包括基板、胶框、导光板及膜片组，所述胶框通过三维打印的方式直接形成于所述基板的边缘上，且与围设所述基板共同形成收容空间，所述导光板和膜片组依次层叠设置于所述收容空间内；
    所述背光模组进一步包括口字胶，所述口字胶粘贴所述胶框的背离所述基板的顶面及所述膜片组的外侧面以连接所述胶框和所述膜片组，所述膜片组的外侧面相对所述胶框的顶面呈朝向所述收容空间凹进的台阶面。
  2. 根据权利要求1所述的背光模组，其中，所述基板为金属背板。
  3. 根据权利要求1所述的背光模组，其中，所述基板为反射片。
  4. 一种背光模组，其中，所述背光模组包括基板、胶框、导光板及膜片组，所述胶框通过打印的方式粘附于所述基板上且与围设所述基板共同形成收容空间，所述导光板和膜片组依次层叠设置于所述收容空间内。
  5. 根据权利要求4所述的背光模组，其中，所述胶框通过三维打印的方式直接形成于所述基板的边缘上。
  6. 根据权利要求4所述的背光模组，其中，所述基板为金属背板。
  7. 根据权利要求4所述的背光模组，其中，所述基板为反射片。
  8. 根据权利要求4所述的背光模组，其中，所述背光模组进一步包括口字胶，所述口字胶粘贴所述胶框的背离所述基板的顶面及所述膜片组的外侧面以连接所述胶框和所述膜片组，所述膜片组的外侧面相对所述胶框的顶面呈朝向所述收容空间凹进的台阶面。
  9. 一种背光模组的制造工艺，其中，所述制造工艺包括：
    在一基板上打印形成粘附于所述基板的胶框，所述胶框围设所述基板形成收容空间；
    在所述收容空间中放置导光板；
    在所述导光板上叠放膜片组。
  10. 根据权利要求9所述的制造工艺，其中，所述在一基板上打印形成粘附于所述基板的胶框的步骤包括：
    在基板上三维打印形成粘附于所述基板边缘上的胶框。
  11. 根据权利要求9所述的制造工艺，其中，所述基板为金属背板，所述在所述收容空间中放置导光板的步骤包括：
    在所述收容空间中放置反射片，在所述反射片上叠放所述导光板。
  12. 根据权利要求9所述的制造工艺，其中，所述背板为反射片。
  13. 根据权利要求9所述的制造工艺，其中，所述膜片组的外侧面相对所述胶框的背离所述基板的顶面呈朝向所述收容空间凹进的台阶面，所述制造工艺进一步包括：
    利用口字胶粘贴所述胶框的顶面和所述膜片组的外侧面。
PCT/CN2016/074573 2016-02-02 2016-02-25 一种背光模组及其制造工艺 WO2017133033A1 (zh)

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