WO2021031292A1 - 背光模组 - Google Patents

背光模组 Download PDF

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Publication number
WO2021031292A1
WO2021031292A1 PCT/CN2019/107942 CN2019107942W WO2021031292A1 WO 2021031292 A1 WO2021031292 A1 WO 2021031292A1 CN 2019107942 W CN2019107942 W CN 2019107942W WO 2021031292 A1 WO2021031292 A1 WO 2021031292A1
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WO
WIPO (PCT)
Prior art keywords
backlight module
light
film layer
film
substrate
Prior art date
Application number
PCT/CN2019/107942
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English (en)
French (fr)
Inventor
魏起
刘凡成
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
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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 US16/630,903 priority Critical patent/US11391881B2/en
Priority to JP2020532895A priority patent/JP7072655B2/ja
Publication of WO2021031292A1 publication Critical patent/WO2021031292A1/zh

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Classifications

    • 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
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • 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
    • G02B6/0003—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 doped with fluorescent agents
    • 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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other

Definitions

  • the invention relates to the field of display technology, in particular to a backlight module.
  • OLEDs organic light-emitting diodes
  • LEDs organic light-emitting diodes
  • mini LED mini light-emitting diode
  • micro LED micro Light-emitting diode
  • the present invention provides a backlight module to solve the problem that the mini LED and micro LED of the prior art are spliced out of the substrate and the substrate does not lead out light, which results in the display of the display device’s images. Dark lines make the technical problem of uneven display brightness.
  • the present invention provides a backlight module, including
  • the substrates are arranged adjacent to each other;
  • the substrate further includes a plurality of light-emitting diodes arranged on the substrate and forming an array;
  • a plurality of fluorescent film layers arranged on the substrate and covering the plurality of light-emitting diodes; and an optical film material arranged on the fluorescent film layer;
  • the backlight module further includes at least one film layer, which is respectively disposed at the bottom of the optical film material corresponding to the gap between the adjacent fluorescent film layers.
  • the width of the film layer is greater than the width of the gap between adjacent fluorescent film layers.
  • the optical film material is a light diffusion plate or a light diffusion film.
  • the film layer is a plurality of light guide dots.
  • the film layer is a thin film of light diffusion particles.
  • the material of the light diffusion particle film includes one or more of polymethyl methacrylate, polycarbonate and polystyrene.
  • the present invention also provides another backlight module, including:
  • the substrates are arranged adjacent to each other;
  • the substrate further includes a plurality of light-emitting diodes arranged on the substrate and forming an array;
  • a plurality of fluorescent film layers arranged on the substrate and covering the plurality of light-emitting diodes; and an optical film material arranged on the fluorescent film layer;
  • the backlight module further includes at least one film layer disposed on the back plate corresponding to the gap between the adjacent fluorescent film layers.
  • the width of the film layer is greater than the width of the gap between adjacent fluorescent film layers.
  • the film layer is a layer of white ink with high reflectivity.
  • the film layer is a white tape with high reflectivity.
  • the present invention also provides another backlight module, including:
  • the substrates are arranged adjacent to each other;
  • the substrate further includes a plurality of light-emitting diodes arranged on the substrate and forming an array;
  • a plurality of fluorescent film layers arranged on the substrate and covering the plurality of light-emitting diodes;
  • the backlight module further includes at least one first film layer disposed at the bottom of the optical film material corresponding to the gap between the adjacent fluorescent film layers;
  • the backlight module further includes at least one second film layer disposed on the back plate corresponding to the gap between the adjacent fluorescent film layers.
  • the width of the first film layer is greater than the width of the gap between adjacent fluorescent film layers.
  • the width of the second film layer is greater than the width of the gap between adjacent fluorescent film layers.
  • the optical film material is a light diffusion plate or a light diffusion film.
  • the first film layer is a plurality of light guide dots.
  • the first film layer is a thin film of light diffusion particles.
  • the material of the light diffusion particle film includes one or more of polymethyl methacrylate, polycarbonate and polystyrene.
  • the second film layer is a layer of white ink with high reflectivity.
  • the second film layer is a white tape with high reflectivity.
  • the backlight module provided by the present invention has a simple structure. By adding a new reflective layer or a refractive layer, it can effectively solve the problem of the large-scale display device because the fluorescent film cannot completely cover the boundary of the substrate. The technology that produces dark lines and the problem of uneven display brightness.
  • FIG. 1 is a top view of a partial structure of a backlight module in the prior art.
  • Embodiment 2 is a cross-sectional structure diagram of the backlight module provided by Embodiment 1 of the present invention.
  • Embodiment 3 is a cross-sectional structure diagram of a backlight module provided by Embodiment 2 of the present invention.
  • Embodiment 4 is a cross-sectional structure diagram of a backlight module provided by Embodiment 3 of the present invention.
  • this embodiment provides a backlight module, including: a back plate 20; a plurality of substrates 21 are arranged on the back plate 20, the substrates 21 are arranged adjacent to each other, wherein the substrates 21 also includes a plurality of light-emitting diodes 22 arranged on the substrate 21 and forming an array; a plurality of fluorescent film layers 23 are respectively arranged on the substrate and covering the plurality of light-emitting diodes 22; And an optical film 24, which is disposed on the fluorescent film layer 23, wherein the backlight module further includes at least one film 25, disposed at the bottom of the optical film 24 corresponding to the adjacent fluorescent film Gap between layers 23.
  • the width D1 of the film layer 25 is greater than the width D2 of the gap between the adjacent fluorescent film layers 23 to ensure that the dark lines displayed by the display device using the backlight module can be completely eliminated.
  • the film layer 25 can collect the light emitted by the plurality of light-emitting diodes 22 and fold back and forth in the backlight module to enhance the brightness of the dark pattern area, by uniformly refracting the light to all
  • the optical film 24 of the backlight module achieves full use of light, and the dark lines on the display device are eliminated. Therefore, the user can see uniform display brightness on the display device.
  • the film layer 25 may be a plurality of light guide mesh points or a layer of light diffusion particle film, and the material of the light diffusion particle film includes but not limited to polymethylmethacrylate, polycarbonate and polyphenylene. One or more types of ethylene. In other embodiments of the present invention, the film layer 25 can also be any material that causes refraction when light passes through.
  • the substrate 21 may be a flexible substrate, a rigid substrate or any form of substrate.
  • the substrate 21 is a flexible substrate
  • the plurality of light-emitting diodes 22 are blue light-emitting diodes.
  • the fluorescent film layer 23 is a yellow fluorescent film layer. By covering the yellow fluorescent film layer on the blue light-emitting diode, a white light backlight module can be realized.
  • the optical film 24 may be Light diffusion plate or light diffusion layer.
  • another embodiment of the present invention provides a backlight module, including: a back plate 30; a plurality of substrates 31 are arranged on the back plate 30, the substrates 31 are arranged adjacent to each other, wherein The substrate 31 also includes a plurality of light emitting diodes 32 arranged on the substrate 31 and forming an array; a plurality of fluorescent film layers 33 are respectively arranged on the substrate and covering the plurality of light emitting diodes. Grade body 32; and an optical film 34 disposed on the fluorescent film layer 33, wherein the backlight module further includes at least one film layer 35 disposed on the back plate 30 corresponding to adjacent The gaps between the fluorescent film layers 33 are described.
  • the width D3 of the film layer 35 is greater than the width D4 of the gap between the adjacent fluorescent film layers 33 to ensure that the dark lines displayed by the display device using the backlight module can be completely eliminated.
  • the film layer 35 can reflect the light emitted by the plurality of light-emitting diodes 32 and fold back and forth in the backlight module to enhance the brightness of the dark area, and by reflecting the light evenly to all
  • the optical film material 34 of the backlight module achieves full utilization of light, and the dark lines on the display device are eliminated. Therefore, the user can see uniform display brightness on the display device.
  • the film layer 35 can be a layer of white ink with high reflectivity or a white tape with high reflectivity. In other embodiments of the present invention, the film layer 35 can also be any layer with high reflectivity. Reflectivity of the material.
  • the substrate 31 may be a flexible substrate, a rigid substrate or any form of substrate.
  • the substrate 31 is a flexible substrate, and the plurality of light emitting diodes 32 are blue light emitting diodes.
  • the fluorescent film layer 33 is a yellow fluorescent film layer, by covering the yellow fluorescent film layer on the blue light-emitting diode, a white light backlight module can be realized, and the optical film material 34 may be Light diffusion plate or light diffusion layer.
  • FIG. 4 another embodiment of the present invention provides a backlight module, including: a back plate 40; a plurality of substrates 41 are arranged on the back plate 40, the substrates 41 are arranged adjacent to each other, wherein The substrate 41 further includes a plurality of light emitting diodes 42 arranged on the substrate 41 and forming an array; a plurality of fluorescent film layers 43 are respectively arranged on the substrate and covering the plurality of light emitting diodes.
  • the backlight module further includes at least one first film layer 45 disposed on the bottom of the optical film material 44 corresponding to The gap between the adjacent fluorescent film layers 43: and, at least one first film layer 46 is disposed on the back plate 40 corresponding to the gap between the adjacent fluorescent film layers 43.
  • the width D5 of the first film layer 45 is greater than the width D6 of the gap between the adjacent fluorescent film layers 43, and the width D7 of the second film layer 46 is also greater than that of the adjacent fluorescent film layers 43.
  • the width D6 of the gap between the two to ensure that the dark lines displayed by the display device using the backlight module can be completely eliminated, and the first film layer 45 can collect the light emitted by the plurality of light-emitting diodes 42
  • the second film layer 46 can reflect the light emitted by the plurality of light-emitting diodes 42 and folded back and forth in the backlight module to enhance the brightness of the dark pattern area, and evenly reflect the light to the backlight module
  • the optical film 44 the light is fully utilized, and the dark lines on the display device are eliminated.
  • the first film layer 45 may be a plurality of light guide dots or a layer of light diffusion particle film, and the material of the light diffusion particle film includes, but is not limited to, polymethylmethacrylate, polycarbonate and polystyrene.
  • the second film layer 46 can be a layer of white ink with high reflectivity or a white tape with high reflectivity.
  • the first film layer 45 can also be any material that can cause refraction when light passes through, and the second film layer 46 can also be any material with high reflectivity.
  • the substrate 41 may be a flexible substrate, a rigid substrate, or any form of substrate.
  • the substrate 41 is a flexible substrate
  • the plurality of light-emitting diodes 42 are blue light-emitting diodes.
  • the fluorescent film layer 43 is a yellow fluorescent film layer. By covering the yellow fluorescent film layer on the blue light-emitting diode, a white light backlight module can be realized.
  • the optical film 44 may be Light diffusion plate or light diffusion layer.
  • the backlight module provided by the embodiment of the present invention utilizes the principle of light reflection and refraction to make full use of the light reflected back and forth in the backlight module, and improve the luminous efficiency of the light-emitting devices inside the backlight module.
  • the backlight module provided by the present invention has a simple structure and only needs to add a refraction layer or a reflective layer, which can solve the technical problem of dark lines and uneven display brightness when the traditional backlight module is applied to a large display device.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Computer Hardware Design (AREA)
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Abstract

一种背光模组，利用光的反射以及折射原理，使显示器件内来回反射的光得到充分的利用，提升了显示器件内的发光器件的发光效率，此外，背光模组构造简单，仅需增加折射层或是反射层，便能解决传统背光模组应用于大型显示装置会出现暗纹且显示亮度不均匀的技术问题。

Description

背光模组 技术领域
本发明涉及一种显示技术领域，尤其涉及一种背光模组。
 背景技术
随着显示技术的日新月异，发光装置如有机发光二级体(organic light-emitting diode, OLED)为了满足人们的需求，不仅需要具备优秀的显示品质，还需要能被应用在各种尺寸的显示装置中，在大尺寸的显示装置中，次毫米发光二级体(mini light-emitting diode, mini LED)以及微发光二级体(micro light-emitting diode, micro LED)比起OLED具备更低的成本以及更好的良率，有望成为取代OLED的下一代显示技术。
 技术问题
然而，在大尺寸的显示装置中，mini LED 以及 micro LED的背光单元需要透过多片基板拼贴的方式来实现，随着背光模组的厚度越来越薄，显示装置内部的混光空间也被压缩，如图1所示，由于LED单元11以及覆盖所述LED单元11的荧光膜12不可能完全覆盖到基板10的边界，因此，在基板10和基板10的拼接处A1没有光线导出，导致所述显示装置的画面呈现一条一条的暗线，使得显示亮度不均匀。
 技术解决方案
鉴于现有技术的不足，本发明提供一种背光模组用以解决现有技术的mini LED和micro LED在基板与基板的拼接出没有光线导出，而导致所述显示装置的画面呈现一条一条的暗线，使得显示亮度不均匀的技术问题。
为了解决上述问题，本发明提供一种背光模组，包括
一背板；
多个基板，设置于所述背板上；
具体地，所述基板彼此相邻设置；
具体地，所述基板还包括设置于所述基板之上并形成阵列的多个发光二级体；
多个荧光膜层，设置于所述基板之上并覆盖所述多个发光二级体；以及一光学膜材，设置于所述荧光膜层之上；
具体地，所述背光模组还包括至少一个膜层，分别设置于所述光学膜材的底部对应相邻所述荧光膜层之间的间隙。
具体地，所述膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
具体地，所述光学膜材为一光扩散板或一光扩散膜。
具体地，所述膜层为许多导光网点。
具体地，所述膜层为一层光扩散粒子薄膜。
具体地，所述光扩散粒子薄膜的材料包括聚甲基丙稀酸甲酯、聚碳酸酯和聚苯乙烯的一种或多种。
为了解决上述问题，本发明还提供另一种背光模组，包括：
一背板；
多个基板，设置于所述背板上；
具体地，所述基板彼此相邻设置；
具体地，所述基板还包括设置于所述基板之上并形成阵列的多个发光二级体；
多个荧光膜层，设置于所述基板之上并覆盖所述多个发光二级体；以及一光学膜材，设置于所述荧光膜层之上；
具体地，所述背光模组还包括至少一个膜层，设置于所述背板之上对应相邻所述荧光膜层之间的间隙。
具体地，所述膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
具体地，所述膜层为一层高反射率的白色油墨。
具体地，所述膜层为一高反射率的白色胶带。
为了解决上述问题，本发明还提供另一种背光模组，包括：
一背板；
多个基板，设置于所述背板上；
其中，所述基板彼此相邻设置；
其中，所述基板还包括设置于所述基板之上并形成阵列的多个发光二级体；
多个荧光膜层，设置于所述基板之上并覆盖所述多个发光二级体；以及
一光学膜材，设置于所述荧光膜层之上；
其中，所述背光模组还包括至少一个第一膜层，设置于所述光学膜材的底部对应相邻所述荧光膜层之间的间隙；
其中，所述背光模组还包括至少一个第二膜层，设置于所述背板之上对应相邻所述荧光膜层之间的间隙。
具体地，所述第一膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
具体地，所述第二膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
具体地，所述光学膜材为一光扩散板或一光扩散膜。
具体地，所述第一膜层为许多导光网点。
具体地，所述第一膜层为一层光扩散粒子薄膜。
具体地，所述光扩散粒子薄膜的材料包括聚甲基丙稀酸甲酯、聚碳酸酯和聚苯乙烯的一种或多种。
具体地，其中，所述第二膜层为一层高反射率的白色油墨。
具体地，其中，所述第二膜层为一高反射率的白色胶带。
 有益效果
本发明所提供的背光模组，构造简单，透过新增一层反射层或者是折射层，能够有效解决大型显示装置中，因荧光膜无法完全覆盖到基板的边界，致使所述大型显示装置产生暗纹的技术及显示亮度不均匀问题。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为现有技术的背光模组的部份结构俯视图。
图2为本发明实施例1所提供的背光模组的剖面结构图。
图3为本发明实施例2所提供的背光模组的剖面结构图。
图4为本发明实施例3所提供的背光模组的剖面结构图。
 本发明的实施方式
实施例1
请参考图2，本实施例提供一种背光模组，包括：一背板20；多个基板21，设置于所述背板20上，所述基板21彼此相邻设置，其中，所述基板21还包括设置于所述基板21之上并形成阵列的多个发光二级体22；多个荧光膜层23，分别设置于所述基板之上并覆盖所述多个发光二级体22；以及一光学膜材24，设置于所述荧光膜层23之上，其中，所述背光模组还包括至少一个膜层25，设置于所述光学膜材24的底部对应相邻所述荧光膜层23之间的间隙。
具体地，所述膜层25的宽度D1大于相邻所述荧光膜层23之间的间隙的宽度D2，以保证应用所述背光模组的显示装置所显示的暗纹可以完全被消除，所述膜层25可以搜集由所述多个发光二级体22所发出且在所述背光模组内来回折返的光线来补强暗纹区域的亮度，透过将所述光线均匀地折射到所述背光模组的所述光学膜材24上，达到光线的充分利用，所述显示装置上的暗纹被消除，因此，使用者可以在所述显示装置上看见均匀的显示亮度，在本实施例中，所述膜层25可以为许多导光网点或是一层光扩散粒子薄膜，所述光扩散粒子薄膜的材料包括但不限于聚甲基丙稀酸甲酯、聚碳酸酯和聚苯乙烯的一种或多种，在本发明的其他实施例中，所述膜层25还可以为任何光经过会产生折射现象的材质。
具体地，所述基板21可以是柔性基板、硬性基板或是任何形式的基板，在本实施例中，所述基板21为柔性基板，所述多个发光二级体22为蓝色发光二级体，所述荧光膜层23为黄色荧光膜层，透过将所述黄色荧光膜层覆盖到所述蓝色发光二级体上，可以实现白光背光模组，所述光学膜材24可以为光扩散板或是光扩散层。
实施例2
请参考图3，本发明的另外一个实施例提供一种背光模组，包括：一背板30；多个基板31，设置于所述背板30上，所述基板31彼此相邻设置，其中，所述基板31还包括设置于所述基板31之上并形成阵列的多个发光二级体32；多个荧光膜层33，分别设置于所述基板之上并覆盖所述多个发光二级体32；以及一光学膜材34，设置于所述荧光膜层33之上，其中，所述背光模组还包括至少一个膜层35，设置于所述背板30之上对应相邻所述荧光膜层33之间的间隙。
具体地，所述膜层35的宽度D3大于相邻所述荧光膜层33之间的间隙的宽度D4，以保证应用所述背光模组的显示装置所显示的暗纹可以完全被消除，所述膜层35可以反射由所述多个发光二级体32所发出且在所述背光模组内来回折返的光线来补强暗纹区域的亮度，透过将所述光线均匀地反射到所述背光模组的所述光学膜材34上，达到光线的充分利用，所述显示装置上的暗纹被消除，因此，使用者可以在所述显示装置上看见均匀的显示亮度，在本实施例中，所述膜层35可以为一层具有高反射率的白色油墨或一条具有高反射率的白色胶带，在其本发明的他实施例中，所述膜层35还可以是任何具有高反射率的材料。
具体地，所述基板31可以是柔性基板、硬性基板或是任何形式的基板，在本实施例中，所述基板31为柔性基板，所述多个发光二级体32为蓝色发光二级体，所述荧光膜层33为黄色荧光膜层，透过将所述黄色荧光膜层覆盖到所述蓝色发光二级体上，可以实现白光背光模组，所述光学膜材34可以为光扩散板或是光扩散层。
实施例3
请参考图4，本发明的另外一个实施例提供一种背光模组，包括：一背板40；多个基板41，设置于所述背板40上，所述基板41彼此相邻设置，其中，所述基板41还包括设置于所述基板41之上并形成阵列的多个发光二级体42；多个荧光膜层43，分别设置于所述基板之上并覆盖所述多个发光二级体42；以及一光学膜材44，设置于所述荧光膜层43之上，其中，所述背光模组还包括至少一个第一膜层45，设置于所述光学膜材44的底部对应相邻所述荧光膜层43之间的间隙：以及，至少一个第一膜层46，设置于所述背板40之上对应相邻所述荧光膜层43之间的间隙。
具体地，所述第一膜层45的宽度D5大于相邻所述荧光膜层43之间的间隙的宽度D6，所述第二膜层46的宽度D7也大于相邻所述荧光膜层43之间的间隙的宽度D6，以保证应用所述背光模组的显示装置所显示的暗纹可以完全被消除，所述第一膜层45可以搜集由所述多个发光二级体42所发出且在所述背光模组内来回折返的光线来补强暗纹区域的亮度，并且将所述光线均匀地折射到所述背光模组的所述光学膜材44上，所述第二膜层46可以反射由所述多个发光二级体42所发出且在所述背光模组内来回折返的光线来补强暗纹区域的亮度，并且将所述光线均匀地反射到所述背光模组的所述光学膜材44上，达到光线的充分利用，所述显示装置上的暗纹被消除，因此，使用者可以在所述显示装置上看见均匀的显示亮度，在本实施例中，所述第一膜层45可以为许多导光网点或是一层光扩散粒子薄膜，所述光扩散粒子薄膜的材料包括但不限于聚甲基丙稀酸甲酯、聚碳酸酯和聚苯乙烯的一种或多种，而所述第二膜层46可以为一层具有高反射率的白色油墨或一条具有高反射率的白色胶带。在本发明的其他实施例中，所述第一膜层45还可以为任何光经过会产生折射现象的材质，所述第二膜层46还可以是任何具有高反射率的材料。
具体地，所述基板41可以是柔性基板、硬性基板或是任何形式的基板，在本实施例中，所述基板41为柔性基板，所述多个发光二级体42为蓝色发光二级体，所述荧光膜层43为黄色荧光膜层，透过将所述黄色荧光膜层覆盖到所述蓝色发光二级体上，可以实现白光背光模组，所述光学膜材44可以为光扩散板或是光扩散层。
本发明实施例提供的背光模组，利用光的反射以及折射原理，使所述背光模组内来回反射的光得到充分的利用，提升了所述背光模组内部发光器件的发光效率，此外，本发明所提供的背光模组，构造简单，仅需增加折射层或是反射层，便能解决传统背光模组应用于大型显示装置会出现暗纹且显示亮度不均匀的技术问题。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (19)

  1. 一种背光模组，包括：
    一背板；
    多个基板，设置于所述背板之上；
    其中，所述基板彼此相邻设置；
    其中，所述基板还包括设置于所述基板之上并形成阵列的多个发光二级体；
    多个荧光膜层，设置于所述基板之上并覆盖所述多个发光二级体；以及
    一光学膜材，设置于所述荧光膜层之上；
    其中，所述背光模组还包括至少一个膜层，设置于所述光学膜材的底部对应相邻所述荧光膜层之间的间隙。
  2. 根据权利要求1的背光模组，其中，所述膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
  3. 根据权利要求1的背光模组，其中，所述光学膜材为一光扩散板或一光扩散膜。
  4. 根据权利要求1的背光模组，其中，所述膜层为许多导光网点。
  5. 根据权利要求1的背光模组，其中，所述膜层为一层光扩散粒子薄膜。
  6. 根据权利要求5的背光模组，其中，所述光扩散粒子薄膜的材料包括聚甲基丙稀酸甲酯、聚碳酸酯和聚苯乙烯的一种或多种。
  7. 一种背光模组，包括：
    一背板；
    多个基板，设置于所述背板上；
    其中，所述基板彼此相邻设置；
    其中，所述基板还包括设置于所述基板之上并形成阵列的多个发光二级体；
    多个荧光膜层，设置于所述基板之上并覆盖所述多个发光二级体；以及
    一光学膜材，设置于所述荧光膜层之上；
    其中，所述背光模组还包括至少一个膜层，设置于所述背板之上对应相邻所述荧光膜层之间的间隙。
  8. 根据权利要求7的背光模组，其中，所述膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
  9. 根据权利要求7的背光模组，其中，所述膜层为一层高反射率的白色油墨。
  10. 根据权利要求7的背光模组，其中，所述膜层为一高反射率的白色胶带。
  11. 一种背光模组，包括：
    一背板；
    多个基板，设置于所述背板上；
    其中，所述基板彼此相邻设置；
    其中，所述基板还包括设置于所述基板之上并形成阵列的多个发光二级体；
    多个荧光膜层，设置于所述基板之上并覆盖所述多个发光二级体；以及
    一光学膜材，设置于所述荧光膜层之上；
    其中，所述背光模组还包括至少一个第一膜层，设置于所述光学膜材的底部对应相邻所述荧光膜层之间的间隙；
    其中，所述背光模组还包括至少一个第二膜层，设置于所述背板之上对应相邻所述荧光膜层之间的间隙。
  12. 根据权利要求11的背光模组，其中，所述第一膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
  13. 根据权利要求11的背光模组，其中，所述第二膜层的宽度大于相邻所述荧光膜层之间的间隙的宽度。
  14. 根据权利要求11的背光模组，其中，所述光学膜材为一光扩散板或一光扩散膜。
  15. 根据权利要求11的背光模组，其中，所述第一膜层为许多导光网点。
  16. 根据权利要求11的背光模组，其中，所述第一膜层为一层光扩散粒子薄膜。
  17. 根据权利要求16的背光模组，其中，所述光扩散粒子薄膜的材料包括聚甲基丙稀酸甲酯、聚碳酸酯和聚苯乙烯的一种或多种。
  18. 根据权利要求11的背光模组，其中，所述第二膜层为一层高反射率的白色油墨。
  19. 根据权利要求11的背光模组，其中，所述第二膜层为一高反射率的白色胶带。
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