WO2015066941A1 - 直下式背光模组 - Google Patents

直下式背光模组 Download PDF

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Publication number
WO2015066941A1
WO2015066941A1 PCT/CN2013/087074 CN2013087074W WO2015066941A1 WO 2015066941 A1 WO2015066941 A1 WO 2015066941A1 CN 2013087074 W CN2013087074 W CN 2013087074W WO 2015066941 A1 WO2015066941 A1 WO 2015066941A1
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WO
WIPO (PCT)
Prior art keywords
backlight
direct
backlight module
wiring pattern
backplane
Prior art date
Application number
PCT/CN2013/087074
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English (en)
French (fr)
Inventor
俞刚
陈仕祥
Original Assignee
深圳市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 filed Critical 深圳市华星光电技术有限公司
Priority to US14/235,418 priority Critical patent/US9304353B2/en
Publication of WO2015066941A1 publication Critical patent/WO2015066941A1/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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • 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
    • G02F1/133612—Electrical details

Definitions

  • the invention relates to one:
  • Liquid crystal display has many advantages such as thin body, power saving, and no radiation, and has been widely used.
  • Most of the liquid crystal display devices on the market are backlight type liquid crystal display devices, which include a liquid crystal panel and a backlight module.
  • the working principle of the liquid crystal panel is to place liquid crystal molecules in two parallel glass substrates. There are many vertical and horizontal small wires between the two glass substrates, and the liquid crystal molecules are controlled to change direction by energization or not, and the light of the backlight module is refracted. Come out to produce the picture. Since the liquid crystal panel itself does not emit light, the light source provided by the backlight module needs to be used to display the image normally, so The optical module becomes one of the key components of the liquid crystal display device.
  • Backlight module becomes one of the key components of the liquid crystal display device.
  • CCFL Cold Cathode Fluorescent L
  • the light source is supplied to the liquid crystal panel.
  • the backlight 200 is mounted on the bottom plate 102 of the backplane 100.
  • the backlight 200 includes a PCB substrate 202 and a wiring pattern disposed on the PCB substrate 202.
  • FIG. 2 is another existing direct type backlight module
  • the wire pattern 204 and the LED lamp 206 are electrically connected to the wiring pattern 204.
  • the bottom plate 102 of the back plate 100 is provided with an electrical insulating layer 300.
  • the back plate 100 is made of a metal material with high thermal conductivity, and the backlight 200 is provided.
  • the electrically insulating layer 300 is directly mounted on the bottom plate 102 of the backing plate 100.
  • the direct type backlight module of the structure omits the PCB substrate, reduces the assembly, simplifies the installation step, reduces the manufacturing cost, and directly mounts the backlight 200' through the electrically insulating layer 300 to the back plate 100 having high thermal conductivity.
  • the bottom plate 102 has a better heat dissipation effect.
  • the present invention provides a direct-lit backlight module, including: a backplane, a plurality of backlights mounted in the backplane, and a diffusion panel mounted on the backplane and located above the backlight, the backplane
  • the utility model comprises a bottom plate and a plurality of side plates vertically mounted on the bottom plate, wherein the bottom plate comprises a plurality of detachable 'mounted substrates made of metal material.
  • the backlight includes a wiring pattern and an LED lamp electrically connected to the wiring pattern.
  • the backlight is provided with a plurality of electrically insulating layers on the mounting substrate, and the wiring pattern is formed on the electrically insulating layer.
  • the mounting substrate includes a bearing portion and a connecting portion vertically connected to both ends of the carrying portion, and the connecting portion is locked and mounted on the side plate.
  • the electrically insulating layer is formed on the mounting substrate by spraying or printing.
  • the backlight is mounted on the electrically insulating layer by gluing or locking.
  • the wiring pattern is formed of a metal.
  • the wiring pattern is formed of copper.
  • the mounting base is made of aluminum.
  • the present invention further provides a direct-lit backlight module, including: a backplane, a plurality of backlights mounted in the backplane, and a diffusion panel mounted on the backplane and located above the backlight, the backplane including the bottom panel and the vertical a plurality of flip boards mounted on the bottom plate, the bottom plate includes a plurality of detachable mounting substrates, and the backlights are respectively mounted on the mounting substrate;
  • the mounting substrate includes a carrying portion and a connecting portion vertically connected to the two ends of the carrying portion.
  • the mounting substrate is made of a metal material
  • the backlight includes a wiring pattern and an LED lamp electrically connected to the wiring pattern;
  • the backlight is provided with a plurality of electrically insulating layers corresponding to the backlight, and the wiring is
  • the backlight is mounted on the electrically insulating layer by gluing or locking.
  • the wiring pattern is formed of a metal.
  • the wiring pattern is formed of copper.
  • the mounting substrate is made of aluminum.
  • the direct-lit backlight module of the present invention is formed by splicing a plurality of mounting substrates to form a backplane of the backplane.
  • backlight module When the backlight module is assembled, backlight installation of several mounting substrates can be simultaneously performed, thereby improving assembly efficiency, and
  • backlight damage on the mounting substrate that needs to be reworked only a single installation substrate with damage to the backlight needs to be reworked to improve rework efficiency.
  • FIG. 3 is a schematic cross-sectional structural view of a direct type backlight module of the present invention.
  • FIG. 4 is a top view of the backlight and the backplane of FIG. 3;
  • FIG. 5 is a schematic perspective structural view of a back panel of a direct type backlight module according to the present invention.
  • FIG. 6 is a schematic perspective view of the mounting substrate of FIG. 5.
  • FIG. 6 The preferred embodiment of the detailed description and its accompanying drawings are described in detail.
  • ' 3 ⁇ 4 r " , , ' Please refer to FIG. 3 and FIG. 4 , the present invention provides a direct type backlight module, including: a back plate
  • the backplane 2 includes a bottom panel 20 and a plurality of sides vertically mounted on the backplane 20.
  • the board 22 includes a plurality of detachable mounting substrates 24, and the backlights 4 are respectively mounted on the mounting substrate 24.
  • the plurality of mounting substrates 24 are mounted on the side panel 22 of the backboard 2 by snapping or locking.
  • the mounting substrate 24 is made of a metal material having a high thermal conductivity.
  • the mounting substrate 24 is made of aluminum, and the backlight 4 mounted in the mounting 24 is generated. The heat can be exported as soon as possible to improve the heat dissipation effect of the backlight module.
  • the mounting substrate 24 includes a bearing portion 242 and a connecting portion 244 that is perpendicularly connected to the two ends of the carrying portion 242.
  • the two connecting portions 244 of the mounting substrate 24 are respectively locked and mounted by a screw 60.
  • the side plate 22 further mounts the mounting substrate 24 on the side plate 22 to form the back plate 2.
  • a stepped hole (not shown) may be provided on the side plate 22, a threaded hole 246 is provided at a position corresponding to the stepped hole of the connecting portion 244, and the connecting portion 244 and the side plate 22 are locked by a screw 60.
  • the backlight 4 includes a wiring pattern 42 and an LED lamp 46 electrically connected to the wiring pattern 42.
  • the wiring pattern 42 is formed of a metal, preferably formed of copper, and the specific forming process may be a spraying, printing, or other circuit patterning process, and the processes may be specifically implemented.
  • the backlight 4 is provided with a plurality of electrically insulating layers 6, which are formed on the mounting substrate 24 by spraying, printing, pasting or the like.
  • the electrically insulating layer 6 can be a heat dissipating glue to further improve the heat dissipation effect.
  • the wiring pattern 42 of the backlight 4 is formed on the electrically insulating layer 6, which is attached to the electrically insulating layer 6 by gluing or locking, and the LED lamp 46 is mounted to the mounting. On the substrate 24.
  • a plurality of backlights 4 are mounted on each of the mounting substrates 24, and a plurality of mounting substrates 24 on which the backlights 4 are mounted are mounted on the side plates 22 of the backing plate 2.
  • the diffusion plate 8 is finally mounted above the backlight 4 to assemble and form the direct type backlight module.
  • the plurality of mounting substrates 24 can be simultaneously mounted with the backlight 4, thereby improving assembly efficiency.
  • the direct-lit backlight module further includes an optical film set (not shown) disposed on the diffusing plate 8, and the light emitted by the backlight 4 first enters the diffusing plate 8 and then enters the optical film.
  • the film group to raise the surface light source with uniform illumination.
  • the bottom plate in the case of the optical module group J, can be installed with a plurality of mounting base backlights at the same time to improve assembly efficiency, and when there is backlight damage on the mounting substrate, it is necessary to rework the backlight.
  • the single mounting substrate is reworked to improve rework efficiency.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Planar Illumination Modules (AREA)

Abstract

一种直下式背光模组，包括：背板（2）、安装于背板（2）内的数个背光源（4）、安装于背板（2）上且位于背光源（4）上方的扩散板（8），所述背板（2）包括底板（20）及垂直安装于底板（20）的数个侧板（22），所述底板（20）包括数个可拆卸的安装基板（24），所述背光源（4）分别安装于所述安装基板（24）上。直下式背光模组通过数块安装基板（24）拼接构成背板（2）的底板（20），在背光模组组装时，可以同时进行数块安装基板（24）的背光源（4）安装，提高组装效率，且当安装基板（24）上有背光源（4）损坏需要返工时，仅需要对其中有背光源（4）损坏的单个安装基板（24）进行返工，提高返工效率。

Description

.下式背光模组
本发明涉及一:
Figure imgf000002_0001
下式背光模组, 背景;
液晶显示装置 （LCD， Liquid Crystal Display )具有机身薄、 省电、 无 辐射等众多优点， 得到了广泛的应用。 现有市场上的液晶显示装置大部分 为背光型液晶显示装置， 其包括液晶面板及背光模组 （ backlight module ) 。 液晶面板的工作原理是在两片平行的玻璃基板当中放置液晶分 子， 两片玻璃基板中间有许多垂直和水平的细小电线， 通过通电与否来控 制液晶分子改变方向， 将背光模组的光线折射出来产生画面。 由于液晶面 板本身不发光， 需要借由背光模组提供的光源来正常显示影像， 因此
Figure imgf000002_0002
光模组成为液晶显示装置的关键组件之一。 背光模组
不同分成侧入式背光模组与直下式背光模组两
光源例如 CCFL(Cold Cathode Fluorescent L
LED(L,ighi Emitting Diode 4f -4f 置在.
光源提供给液晶面板。
Figure imgf000002_0003
内的背光源 200, 背光源 200安装于背板 100的底板 102上， 背光源 200 包括 PCB基板 202 , 设于 PCB基板 202上的布线图案
206„ 然而， 该结构的直
Figure imgf000002_0004
请参阅图 2 , 为另一现有的直下式背光模组， 该背
线图案 204和安装并电性连接于布线图案 204上的 LED灯 206, 该背板 100的底板 102上设有电绝缘层 300, 背板 100由导热率高的金属材料制 成， 背光源 200，通过该电绝缘层 300直接安装于背板 100的底板 102上。 该结构的直下式背光模组省略了 PCB 基板， 减少了组件， 简化了安装步 骤， 降低了制作成本， 且， 将背光源 200'通过该电绝缘层 300直接安装于 导热性能高的背板 100的底板 102上， 具有较好的散热效果。
然而， 该结构的背板 100的底板 02上需要安装多个背光源 200，， 生 产效率较低， 尤其当有个别背光源 200，中的 LED 灯 206 损坏需要返工 时， 需要将整个背板 100进行返工， 返工效率很低。 发明内容
本发明的目的在于提供一种直下式背光模组， 其通过数块安装基板拼 接构成背板的底板， 提高组装效率以及返工效率。
为实现上述目的， 本发明提供一种直下式背光模组， 包括： 背板、 安 装于背板内的数个背光源、 安装于背板上且位于背光源上方的扩散板， 所 述背板包括底板及垂直安装于底板的数个侧板， 所述底板包括数个可拆卸 ' 所 安装基板由金属材 ΗΙ制成。 , '
所述背光源包括布线图案及电性连接于所述布线图案的 LED灯。
所述安装基板上对应所述背光源设有数个电绝缘层， 所述布线图案形 成于所述电绝缘层上„
所述安装基板包括承载部及垂直连接于承载部两端的连接部， 所述连 接部锁合安装于侧板上。
所述电绝缘层通过喷涂或印刷的方式形成于所述安装基板上。
所述背光源通过粘贴或锁合方式安装于所述电绝缘层上。
所述布线图案由金属形成。
所述布线图案由铜形成。
所述安装基 ^反由铝制成。
本发明还提供一种直下式背光模组， 包括： 背板、 安装于背板内的数 个背光源、 安装于背板上且位于背光源上方的扩散板， 所述背板包括底板 及垂直安装于底板的数个倒板， 所述底板包括数个可拆卸的安装.基板， 所 述背光源分别安装于所述安装基板上；
其中， 所述安装基板包括承载部及垂直连接于承载部两端的连接部，
； /;其^ , 述安装基板由金属材料制成；
其中， 所述背光源包括布线图案及电性连接于所述布线图案的 LED 灯；
其中， 所述安装.基板上对应所述背光源设有数个电绝缘层， 所述布线
7 其中， 所 ί电绝缘 通过喷涂或印刷的方式形成于所述安装基板上。
所述背光源通过粘贴或锁合方式安装于所述电绝缘层上。
所述布线图案由金属形成。 所述布线图案由铜形成。
所述安装基板由铝制成。
本发明的有益效果： 本发明直下式背光模组， 通过数块安装基板拼接 构成背板的底板， 在背光模组组装时， 可以同时进行数块安装基板的背光 源安装， 提高组装效率， 且， 当安装基板上有背光源损坏需要返工时， 仅 需要对其中有背光源损坏的单个安装.基板进行返工， 提高返工效率。
为了能更进一步了解本发明的特征以及技术内容， 请参阅以下有关本 发明的详细说明与酎图， 然而附图仅提供参考与说明用， 并非用来对本发 明加以限制。 附图说明
下面结合附图， 通过对本发明的具体实施方式详细描述， 将使本发明 的技术方案及其它有益效果显而易见
附图中， 2为现有直下 背光模组的另一结构 意图；
图 3为本发明直下式背光模组的剖面结构示意图；
图 4为图 3中背光源与背板的俯视图；
图 5为本发明直下式背光模组背板的立体结构示意图；
图 6为图 5中安装基板的立体结构示意图。 具体实施方式 的优选实 i例及其附图 行详 描述。' ¾ r " 、、 ' 请参阅图 3 及图 4， 本发明提供一种直下式背光模组， 包括： 背板
2、 安装于背板 2 内的数个背光源 4及安装于背板 2上且位于背光源 4上 方的扩散板 8， 所述背板 2包括底板 20及垂直安装于底板 20的数个侧板 22 , 所述底板 20包括数个可拆卸的安装.基板 24 , 所述背光源 4分别安装 于所述安装基板 24上。 在本实施例中， 所述数块安装基板 24通过卡合或 锁合方式安装于所述背板 2 的侧板 22上， 当其中一个背光源 4需要维修 或替换时， 只需要将该背光源 4 对应的安装基板 24拆下即可操作， 操作 筒单方便， 有效提高维修及返工效率。
所述安装基板 24 由导热率高的金属材料制成， 在本实施例中， 所述 安装基板 24由铝制成， 进而使安装于安装 24内的背光源 4所产生的 热量能尽快的导出， 提高背光模组的散热效果。
在本实施例中， 所述安装.基板 24 包括承载部 242及垂直连接于承载 部 242两端的连.接部 244， 所述安装基板 24的两连接部 244分别通过.螺钉 60锁合安装于所述侧板 22上， 进而将安装基板 24安装于侧板 22上， 形 成背板 2。 具体地， 可在侧板 22上设置台阶孔（未图示） ， 在连接部 244 对应台阶孔的位置设置螺纹孔 246, 通过螺钉 60将连接部 244与側板 22 锁合在一
进一步地， 所述背光源 4 包括布线图案 42及电性连接于所述.布线图 案 42的 LED灯 46。 所述布线图案 42由金属形成， 优选为由铜形成， 其 具体形成工艺可为喷涂、 印刷或其他电路图形制程， 该些制程均可实现本 具体地， 所述安装.基板 24上对应所述背光源 4设有数个电绝缘层 6, 所述电绝缘层 6 通过喷涂、 印剧， 粘贴等方式形成于所述安装基板 24 上。 所述电绝缘层 6可为散热胶， 进一步提高散热效果。
所述背光源 4的布线图案 42形成于所述电绝缘层 6上， 其通过粘贴 或锁合方式安装于所述电绝缘层 6上， 进,¾将所述 LED灯 46安装于所述 安装基板 24上。
在对所述直下式背光模组进行组装时， 首先在每一安装基板 24 上安 装数个背光源 4， 再将数个安装有背光源 4的安装基板 24安装于背板 2的 侧板 22上， 最后将扩散板 8安装于背光源 4的上方， 以组装形成所述直 下式背光模组。 数块安装基板 24可以同时进行背光源 4安装， 从而提高 组装效率。 当安装基板 24上有背光源 4损坏需要返工时， 仅需要对其中 有背光源 4损坏的单个安装.基板 24进行返工， 从 提高返工效率。
值得一提的是， 所述直下式背光模组还包括设于扩散板 8上的光学膜 片组（未图示） ， 所述背光源 4发出的光线先进入扩散板 8， 再进入光学 膜片组， 以提^·光照均匀的面光源。 的底板， ·在 光模组组 J时 '可以同时进行数块安装基 的背光源 装， 提高组装效率， 且， 当安装基板上有背光源损坏需要返工时， 仅需要对其 中有背光源损坏的单个安装基板进行返工， 提高返工效率。
以上所述， 对于本领域的普通技术人员来说， 可以根据本发明的技术 方案和技术构思作出其他各种相应的改变和变形， 而所有这些改变和变形 都应属于本发明权利要求的保护范围。

Claims

权 利 要 求
】、 一种直下式背光模组， 包括： 背板、 安装于背板内的数个背光 源、 安装于背板上且位于背光源上方的扩散板， 所述背板包括底板及垂直 安装于底板的数个侧板， 所述底板包括数个可拆卸的安装.基板， 所述背光 源分别安装于所述安装基板上。
2、 如权利要求 1 所述的直下式背光模组， 其中， 所述安装基板由金
3、 如权利要求 所述的直下式背光模组， 其中， 所述背光源包括布 线图案及电性连接于所述布线图案的 LED灯。
4、 如权利要求 3 所述的直下式背光模组， 其中， 所述安装基板上对 应所述背光源设有数个电绝缘层， 所述布线图案形成于所述电绝缘层上。
5、 如权利要求 1 所述的直下式背光模组， 其中， 所述安装基板包括 承载部及垂直连接于承载部两端的连接部 , 所述连接部锁合安装于侧板 上。
6、 如权利要求 4 所述的直下式背光模组， 其中， 所述电绝缘层通过 喷涂或印刷的方式形成于所述安装.基板上。
7、 如权利要求 4 所述的直下式背光模组， 其中， 所述背光源通过粘 贴或锁合方式安装于所述电绝缘层上。
8、 如权利要求 3 所述的直下式背光模组， 其中， 所述布线图案由金 属形成。
9 , 如权利要求 8 所述的直下式背光模组， 其中， 所述布线图案由铜 形成。
10、 如权利要求 2 所述的直下式背光模组， 其中， 所述安装基板由铝 制成。
I 一种直下式背光模组， 包括： 背板、 安装于背板内的数个背光 源 安装于背板上且位于背光源上方的扩散板， 所述背板包括底板及垂直 安装于底板的数个侧板， 所述底板包括数个可拆卸的安装基板， 所述背光 源分别安装于所述安装.基板上；
其中， 所述安装基.板包括承载部及垂直连接于承载部两端的连接部， 所述连接部锁合安装于侧板上；
其中， 所述安装基板由金属材料制成；
其中， 所述背光源包括布线图案及电性连接于所述布线图案的 LED 灯；
其中， 所述安装基板上对应所述背光源设有数个电绝缘层， 所述布线 图案形成于所述电绝缘层上；
其中， 所述电绝缘层通过喷涂或印刷的方式形成于所述安装基板上。 12、 如权利要求 1 1 所述的直下式背光模组， 其中， 所述背光源通过 粘贴或锁合方式安装于所述电绝缘层上。
13 , 如权利要求 11 所述的直下式背光模组， 其中， 所述布线图案由 金属形成。
14 , 如权利要求 13 所述的直下式背光模组， 其中， 所述布线图案由 铜形成。
】5、 如权利要求 11 所述的直下式背光模组， 其中， 所述安装基板由 铝制成。
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