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CN106802449A - 一种导光板安装结构 - Google Patents

一种导光板安装结构 Download PDF

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Publication number
CN106802449A
CN106802449A CN201710202167.XA CN201710202167A CN106802449A CN 106802449 A CN106802449 A CN 106802449A CN 201710202167 A CN201710202167 A CN 201710202167A CN 106802449 A CN106802449 A CN 106802449A
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CN
China
Prior art keywords
light guide
lighting
irradiated region
guide sheet
circuit board
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Pending
Application number
CN201710202167.XA
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English (en)
Inventor
钟桂生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangmen Laoshi International Electric Co Ltd
Original Assignee
Jiangmen Laoshi International Electric Co Ltd
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Publication date
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Priority to CN201710202167.XA priority Critical patent/CN106802449A/zh
Publication of CN106802449A publication Critical patent/CN106802449A/zh
Pending legal-status Critical Current

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    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/022—Emergency lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • 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
    • 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
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

一种导光板安装结构，包括导光片，设有卡板槽、照射区和聚光区；导光纸盒，用于覆盖导光片表面；电路板，配置在导光片内；LED光源，配置在电路板上，并正对所述照射区。利用电路板的自身弹性，将电路板卡固在导光板内，免除了传统要使用胶水固定电路板的步骤，极大的增加了生产效率，使用导光纸折叠而成导光纸盒，用于包裹导光片，免除了传统结构需要预留粘贴铝箔纸的位置，降低了产品成本，而且LED光源位于导光板内，可使导光板光效更好。

Description

一种导光板安装结构
技术领域
本发明涉及应急照明设备领域，具体涉及一种导光板安装结构。
背景技术
随着消防应急灯具技术的不断进步，导光板因其能更好地发挥LED光源光效和优良的导光性能，被广泛应用到消防应急标志灯内。
现有的导光板安装结构是通过激光切割技术，在导光片的一端切割形成照射区和聚光区，再用 胶水把电路板粘贴在导光板的边缘，然后把导光纸贴在导光片两面，最后为了防止漏光还需要把铝箔纸贴在导光板四周。
当LED长时间工作后发热，会使胶水融化，导致电路板脱离导光片；而且因为导光板比较薄，在进行产品组装时，使用胶水把电路板粘贴在导光片的操作难度比较大，胶水过多，胶水会流向导光片或LED光源，影响导光性，胶水过少，电路板贴不紧，电路板容易脱落。在使用导光纸贴在导光片上时，为防止导光片侧边漏光，需要粘贴铝箔纸进行覆盖，但铝箔纸没有导光性，所以在生产导光片时，要预留粘贴铝箔纸的位置，导致导光片的真实尺寸比实用尺寸大。该结构安装工序繁多，降低了生产效率，还增加了产品成本。
发明内容
为了解决上述问题，本发明提供一种导光板安装结构，包括导光片，设有卡板槽、照射区和聚光区；导光纸盒，用于覆盖导光片表面；电路板，配置在导光片内；LED光源，配置在电路板上，并正对所述照射区。
所述导光片通过激光切割在导光片内形成卡板槽、照射区和聚光区；所述卡板槽呈矩形，尺寸与电路板的尺寸相互配对；所述卡板槽向导光片内部方向切割形成照射区，所述照射区设有开口，开口方向正对卡板槽，照射区的形状根据LED光源设计。
所述电路板利用自身弹性卡固在所述卡板槽内，所述LED光源位于照射区内。
所述导光纸盒由导光纸折叠而成，尺寸和导光片的尺寸相配对，分为上盖和下盖，组装在导光片上后，所述上盖和下盖的底面覆盖导光板正反两面，侧面覆盖导光板侧边。
根据本发明的一种导光板安装结构，在导光板内切割出卡板槽、照射区和聚光区；利用电路板的自身弹性，将电路板卡固在导光板内，免除了传统要使用胶水固定电路板的步骤，极大的增加了生产效率，使用导光纸折叠而成导光纸盒，用于包裹导光片，免除了传统结构需要预留粘贴铝箔纸的位置，降低了产品成本，而且LED光源位于导光板内，可使导光板光效更好。
附图说明
图1是本发明的分解图。
图2是导光片和电路板组装后的正面图。
图3是图2的A-A安装导光纸盒后的局部剖视图。
图中1导光片、11卡板槽、12照射区、13聚光区、14侧边、2导光纸盒、21上盖、22下盖、23侧面、3电路板、4LED光源。
具体实施方式
在下文中将参考附图来描述本发明的具体实施方式。
如图1、图2、图3所示，本发明提供一种导光板安装结构，包括导光片1，设有卡板槽11、照射区12和聚光区13；导光纸盒2，用于覆盖导光片1表面；电路板3，配置在导光片1内；LED光源4，配置在电路板上3，并正对照射区12。
通过激光切割在导光片1内形成卡板槽11、照射区12和聚光区13；卡板槽11呈矩形，尺寸与电路板3的尺寸相互配对；卡板槽11向导光片1内部方向切割形成照射区12，照射区12设有开口，开口方向正对卡板槽11，照射区12的形状根据LED光源4设计；电路板3利用自身弹性卡固在卡板槽11内，LED光源4位于照射区12内；导光纸盒2由导光纸折叠而成，尺寸和导光片1的尺寸相配对，分为上盖21和下盖22，组装在导光片1上后，上盖21和下盖22的底面覆盖导光板的表面，侧面23覆盖导光板侧边14。
在导光板1内切割出卡板槽11、照射区12和聚光区13；利用电路板3的自身弹性，将电路板3卡固在导光板1内，免除了传统要使用胶水固定电路板3的步骤，极大的增加了生产效率，使用导光纸折叠而成导光纸盒2，用于包裹导光片1，免除了传统结构需要预留粘贴铝箔纸的位置，降低了产品成本，而且LED光源4位于导光板1内，配合聚光区13，可使导光板1光效更好。
以上的仅是本发明的一些实施方式。对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。

Claims (4)

1.一种导光板安装结构，其技术特征在于：包括导光片，设有卡板槽、照射区和聚光区；导光纸盒，用于覆盖导光片表面；电路板，配置在导光片内；LED光源，配置在电路板上，并正对所述照射区。
2.根据权利要求1所述的一种导光板安装结构，其特征在于：所述导光片通过激光切割在导光片内形成卡板槽、照射区和聚光区；所述卡板槽呈矩形，尺寸与电路板的尺寸相互配对；所述卡板槽向导光片内部方向切割形成照射区，所述照射区设有开口，开口方向正对卡板槽，照射区的形状根据LED光源设计。
3.根据权利要求1所述的一种导光板安装结构，其特征在于：所述电路板利用自身弹性卡固在所述卡板槽内，所述LED光源位于照射区内。
4.根据权利要求1所述的一种导光板安装结构，其特征在于：所述导光纸盒由导光纸折叠而成，尺寸和导光片的尺寸相配对，分为上盖和下盖，组装在导光片上后，所述上盖和下盖的底面覆盖导光板正反两面，侧面覆盖导光板侧边。
CN201710202167.XA 2017-03-30 2017-03-30 一种导光板安装结构 Pending CN106802449A (zh)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022666A (zh) * 2009-09-11 2011-04-20 上海边光实业有限公司 背光模组
CN201964334U (zh) * 2011-01-10 2011-09-07 深圳市鑫富艺实业有限公司 改良的导光板结构
CN202204950U (zh) * 2011-08-15 2012-04-25 昆山顺景光电有限公司 一种背光源导光板
CN102829410A (zh) * 2011-06-14 2012-12-19 海洋王照明科技股份有限公司 含导光板的吊顶灯
CN103836438A (zh) * 2012-11-21 2014-06-04 深圳市海洋王照明工程有限公司 灯具
CN104676375A (zh) * 2015-02-11 2015-06-03 深圳市华星光电技术有限公司 背光模组及包含其的液晶显示装置
CN206696464U (zh) * 2017-03-30 2017-12-01 江门劳士国际电气有限公司 一种导光板安装结构

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102022666A (zh) * 2009-09-11 2011-04-20 上海边光实业有限公司 背光模组
CN201964334U (zh) * 2011-01-10 2011-09-07 深圳市鑫富艺实业有限公司 改良的导光板结构
CN102829410A (zh) * 2011-06-14 2012-12-19 海洋王照明科技股份有限公司 含导光板的吊顶灯
CN202204950U (zh) * 2011-08-15 2012-04-25 昆山顺景光电有限公司 一种背光源导光板
CN103836438A (zh) * 2012-11-21 2014-06-04 深圳市海洋王照明工程有限公司 灯具
CN104676375A (zh) * 2015-02-11 2015-06-03 深圳市华星光电技术有限公司 背光模组及包含其的液晶显示装置
CN206696464U (zh) * 2017-03-30 2017-12-01 江门劳士国际电气有限公司 一种导光板安装结构

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Application publication date: 20170606