CN201137875Y - Light guide column - Google Patents
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- CN201137875Y CN201137875Y CNU2008200020306U CN200820002030U CN201137875Y CN 201137875 Y CN201137875 Y CN 201137875Y CN U2008200020306 U CNU2008200020306 U CN U2008200020306U CN 200820002030 U CN200820002030 U CN 200820002030U CN 201137875 Y CN201137875 Y CN 201137875Y
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- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 238000009795 derivation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000010432 diamond Substances 0.000 description 2
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- 239000012788 optical film Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
Description
技术领域technical field
本实用新型涉及一种可应用于背光模块、灯箱、照明等用途的导光柱。The utility model relates to a light guide column which can be applied to backlight modules, light boxes, lighting and the like.
背景技术Background technique
背光模块的使用已日渐广泛,例如监视器、液晶电视、笔记本计算机等需要背光源来显示画面的设备都会使用到它。一般的背光模块通常包含有一导光板,导光板的第一侧面设置一反射片,相对的第二侧面则设置由扩散片与棱镜片等所组成的多个光学膜片,导光板的侧边则设置光源,光源所发出的光线由导光板的侧边投射进入,部分光线由反射片反射,再依序通过扩散片与棱镜片射出。换言之,现有技术的背光模块,其导光组件是平板状的导光板,但利用平板式的导光板制造出来的背光模块,光源损失较大,可能会使显示装置的画面产生亮度不均匀的情况。The use of backlight modules has become increasingly widespread, such as monitors, LCD TVs, notebook computers and other devices that require a backlight to display images. A general backlight module usually includes a light guide plate. A reflective sheet is arranged on the first side of the light guide plate, and a plurality of optical films composed of a diffusion sheet and a prism sheet are arranged on the opposite second side. A light source is provided, and the light emitted by the light source is projected into the side of the light guide plate, part of the light is reflected by the reflective sheet, and then sequentially emitted through the diffuser sheet and the prism sheet. In other words, in the backlight module of the prior art, the light guide component is a flat light guide plate, but the backlight module manufactured by using the flat light guide plate has a large loss of light source, which may cause uneven brightness on the screen of the display device. Condition.
实用新型内容Utility model content
本实用新型的主要目的,在于提供一种适用于做为背光用途或照明用途的导光柱。The main purpose of the present utility model is to provide a light guide column suitable for backlighting or lighting.
本实用新型所提供的导光柱的技术特征,是采用具有优异传导光线性质的材料制成一柱状体,该导光柱具有位于其内部的一光线入射面,以及分别位于该光线入射面相对两侧的光线反射面与光线出射面,对应该入射面的所述导光柱一侧设有一用来安装光源的定位部,该入射面、反射面及出射面均一体设有光学结构,使该入射面具有光源扩散效果,该反射面具有光源反射效果,且该出射面具有光源均匀导出效果。所述光学结构,在制造该导光柱时,一体成型出诸如“V”形沟槽、菱形、钻石型、圆形、半圆形、方形、多角形等光点或光栅,或是雾化处理等,以达到将光线折射与反射的光学效果。The technical feature of the light guide column provided by the utility model is that a columnar body is made of a material with excellent light-transmitting properties. The light reflecting surface and the light exiting surface of the incident surface are provided with a positioning part for installing the light source on the side of the light guide column corresponding to the incident surface. It has the light source diffusion effect, the reflective surface has the light source reflection effect, and the exit surface has the light source uniform export effect. The optical structure, when manufacturing the light guide column, is integrally molded with light spots or gratings such as "V" grooves, diamonds, diamonds, circles, semicircles, squares, polygons, etc., or atomized etc., in order to achieve the optical effect of refracting and reflecting light.
本实用新型设于导光柱内部的入射面,可以是平面、凹入弧面、凸出弧面、凸出或凹入的“V”形面、凹入的多角面等各种形状。In the utility model, the incident surface arranged inside the light guide column can be in various shapes such as plane, concave arc surface, protruding arc surface, protruding or concave "V"-shaped surface, concave polygonal surface, etc.
本实用新型设于导光柱一侧边的反射面,是相互对称并且与该入射面的中心轴相互垂直的两个平面;也可以是相互对称并且与该入射面的中心轴形成一夹角的两个斜面;也可以是相互对称并且与该入射面的中心轴形成一夹角的两个凸出或凹入的弧面。In the present invention, the reflective surface arranged on one side of the light guide column is two planes that are symmetrical to each other and perpendicular to the central axis of the incident surface; they can also be symmetrical to each other and form an included angle with the central axis of the incident surface. Two slopes; it may also be two convex or concave arc surfaces that are symmetrical to each other and form an included angle with the central axis of the incident surface.
本实用新型设于导光柱另一侧边的出射面,可以是凸出或凹入的弧面,也可以是平面、“V”形面或多角面等各种的形状。The utility model is arranged on the exit surface of the other side of the light guide column, which can be a convex or concave arc surface, and can also be a plane, a "V"-shaped surface or a polygonal surface and other shapes.
所述的入射面、反射面与出射面的结构,可以采用排列组合方式搭配实施。The structures of the incident surface, the reflective surface and the outgoing surface can be implemented in a permutation and combination manner.
本实用新型的有益效果在于,所述适用于做为背光用途或照明用途的导光柱,可应用于背光模块、灯箱、照明等用途,采用各种的入射面、反射面与出射面相组合的结构,具有亮度均匀、光源损失小的优点。The beneficial effect of the utility model is that the light guide column suitable for backlighting or lighting can be applied to backlight modules, light boxes, lighting, etc., and adopts a combination of various incident surfaces, reflective surfaces, and outgoing surfaces. , has the advantages of uniform brightness and small loss of light source.
附图说明Description of drawings
图1为显示本实用新型所述导光柱与光源组合关系的实施例立体示意图;Fig. 1 is a three-dimensional schematic diagram of an embodiment showing the combination relationship between the light guide column and the light source described in the present invention;
图2A为显示本实用新型所述的入射面为凹入弧面(或球面凹弧面)的实施例端面示意图;Fig. 2A is a schematic view showing the end face of an embodiment in which the incident surface described in the present invention is a concave arc surface (or a spherical concave arc surface);
图2B为显示本实用新型所述的入射面为凸出锥形体的实施例端面示意图;Fig. 2B is a schematic view showing the end face of the embodiment in which the incident surface described in the present invention is a convex cone;
图2C为显示本实用新型所述的入射面为凸出弧面(或球面凸弧面)的实施例端面示意图;Fig. 2C is a schematic diagram showing the end face of an embodiment in which the incident surface described in the present invention is a convex arc surface (or a spherical convex arc surface);
图2D为显示本实用新型所述的入射面为平面的实施例端面示意图;Fig. 2D is a schematic view showing the end face of the embodiment in which the incident surface described in the present invention is a plane;
图2E为显示本实用新型所述的入射面为凹入锥面的实施例端面示意图;Fig. 2E is a schematic view showing the end face of the embodiment in which the incident surface described in the present invention is a concave conical surface;
图2F为显示本实用新型所述的入射面为凹入多角面的实施例端面示意图;Fig. 2F is a schematic view showing the end face of an embodiment in which the incident surface described in the present invention is a concave polygonal surface;
图3A为显示本实用新型所述的反射面为两个对称平面的实施例端面示意图;Fig. 3A is a schematic diagram showing the end face of an embodiment in which the reflective surface described in the present invention is two symmetrical planes;
图3B为显示本实用新型所述的反射面为两个对称斜面的实施例端面示意图;Fig. 3B is a schematic view showing the end face of an embodiment in which the reflective surface described in the present invention is two symmetrical slopes;
图3C为显示本实用新型所述的反射面为两个对称凸出弧面的实施例端面示意图;Fig. 3C is a schematic diagram showing the end face of the embodiment in which the reflective surface described in the present invention is two symmetrical convex arc surfaces;
图3D为显示本实用新型所述的反射面为两个对称凹入弧面的实施例端面示意图;Fig. 3D is a schematic view showing the end face of the embodiment in which the reflective surface described in the present invention is two symmetrical concave arc surfaces;
图4A为显示本实用新型所述的出射面为凸弧面(或非球面凸弧面)的实施例端面示意图;Fig. 4A is a schematic view showing the end face of an embodiment in which the exit surface of the present invention is a convex arc surface (or an aspherical convex arc surface);
图4B为显示本实用新型所述的出射面为凹弧面(或非球面凹弧面)的实施例端面示意图;Fig. 4B is a schematic view showing the end face of an embodiment in which the exit surface of the present invention is a concave arc surface (or an aspherical concave arc surface);
图4C为显示本实用新型所述的出射面为三角形的实施例端面示意图;Fig. 4C is a schematic view showing the end face of an embodiment in which the exit surface described in the present invention is a triangle;
图4D为显示本实用新型所述的出射面为多边形的实施例端面示意图;Fig. 4D is a schematic view showing the end face of an embodiment in which the exit surface described in the present invention is a polygon;
图4E为显示本实用新型所述的出射面为平面的实施例端面示意图;Fig. 4E is a schematic view showing the end face of an embodiment in which the exit surface described in the present invention is a plane;
图5为显示本实用新型所述导光柱应用于灯箱的实施例立体图。FIG. 5 is a perspective view showing an embodiment of the light guide column of the present invention applied to a light box.
主要元部件符号说明Symbol description of main components
1……导光柱1...Light guide column
10……定位部10...Positioning department
11……入射面11...incident surface
12……反射面12...reflective surface
13……出射面13...Emitting surface
2……光源2...Light source
21……电路板21...circuit board
22……LED22...LEDs
3……灯箱3... light box
4……扩散板4...diffusion plate
具体实施方式Detailed ways
以下配合图式及元件符号对本实用新型的实施方式做更详细的说明,以使熟悉该项技术的工作人员在研读本说明书后能据以实施。The implementation of the present invention will be described in more detail below in conjunction with the drawings and component symbols, so that those familiar with the technology can implement it after studying this specification.
图1为显示本实用新型所述的导光柱1的实施例示意图,该导光柱1是采用具备优异传导光线性质的材料制成的柱状体,其径向断面可以是各种形状,而图1仅显示其中一种形状,其余的实施例将在后叙的图式中予以揭露。该图1显示了本实用新型的导光柱1具有从表面延伸至内部的光线入射面11,以及分别位于该入射面11两侧,亦同时位于导光柱1径向相对两侧的光线反射面12与光线出射面13,该入射面11、反射面12及出射面13均一体设有光学结构,使该入射面11具有光源扩散效果,该反射面12具有光源反射效果,且该出射面13具有光源均匀导出效果。在导光柱1形成入射面11的入口处则设有定位部10,以供用来安装光源2,该光源2包含有一电路板21,以及多个设于该电路板21上的LED22;该LED22所发射的光线从入射面11射入导光柱1内后,光线会在导光柱内传导,部分光线会直接由出射面13射出,部分光线则会由反射面12反射后再从出射面13射出。Fig. 1 is a schematic view showing an embodiment of the
图2A至图2F则显示本实用新型所述导光柱的入射面11的一些实施例。由于本实用新型的入射面可以排列组合方式搭配各种形态的反射面与出射面,故以假想线表示该反射面12与出射面13,而入射面11则以实线表示。其中,图2A显示所述入射面11可以是一凹入弧面或球形凹入弧面。图2B则显示所述入射面11可以是一种凸出的“V”形面。图2C显示所述入射面11可以是一种凸出的弧面。图2D显示所述入射面11可以是一平面。图2E显示所述入射面11可以是一种凹入的“V”形面。图2F则显示所述入射面11可以是一种凹入的多角面。2A to 2F show some embodiments of the
图3A至图3D为显示本实用新型的反射面12的数种实施例,由于本实用新型的反射面可以排列组合方式搭配各种形态的入射面与出射面,故以假想线表示该入射面11与出射面13,而反射面12则以实线表示。如图3A所示,所述反射面12可以是相互对称,并且与入射面11的中心轴垂直的两个平面。也可以如图3B所示,为相互对称,并与入射面的中心轴形成一夹角的斜面。也可以如图3C所示,为相互对称,并与入射面的中心轴形成一夹角的凸出弧面。也可以如图3D所示,为相互对称,并与入射面的中心轴形成一夹角的凹入弧面。Figures 3A to 3D show several embodiments of the
图4A至图4E为显示本实用新型的出射面13的数种实施例,由于本实用新型的出射面可以排列组合方式搭配各种形态的入射面与反射面,故以假想线表示该入射面11与反射面12,而出射面13则以实线表示。如图4A所示,所述出射面13可以是凸出的弧面。也可以如图4B所示的凹入弧面。也可以如图4C所示的凸出“V”形面。也可以如图4D所示的多角面。也可以如图4E所示的平面。4A to 4E show several embodiments of the
图5则显示利用本实用新型的导光柱1,可以被安装于灯箱3内,再于灯箱3上覆设一扩散板4或光学膜,使得导光柱1可以在灯箱内进行照明。Fig. 5 shows that the
以上所述仅为用以解释本实用新型的较佳实施例,并非企图据以对本实用新型做任何形式上的限制,因此凡是在相同的创作精神下所作有关的任何修饰或变更,皆仍应包括在本实用新型的专利保护范围之内。The above descriptions are only preferred embodiments for explaining the utility model, and are not intended to limit the utility model in any form. Therefore, any relevant modifications or changes made under the same creative spirit should still be implemented. Included within the scope of patent protection of the utility model.
Claims (31)
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011091615A1 (en) * | 2010-01-31 | 2011-08-04 | Qin Houjing | Regulation type light source device |
CN102192478A (en) * | 2010-03-08 | 2011-09-21 | 高锦隆 | Light guide member and light emitting device |
CN102313244A (en) * | 2011-09-09 | 2012-01-11 | 中国科学院宁波材料技术与工程研究所湖州新能源产业创新中心 | Light emitting diode (LED) lamp optical lens |
CN102313245A (en) * | 2011-09-09 | 2012-01-11 | 中国科学院宁波材料技术与工程研究所湖州新能源产业创新中心 | Light emitting diode (LED) lamp lens |
CN102455457A (en) * | 2010-10-18 | 2012-05-16 | 联胜(中国)科技有限公司 | Light guide pillar |
CN102720987A (en) * | 2012-05-25 | 2012-10-10 | 苏州晶品光电科技有限公司 | Light emitting diode (LED) area source employing side light emitting bar |
TWI456141B (en) * | 2011-12-26 | 2014-10-11 | Wintek Corp | Light guide device and illumination module using the same thereof |
CN106322243A (en) * | 2016-10-13 | 2017-01-11 | 惠科股份有限公司 | Display device and backlight module |
-
2008
- 2008-01-16 CN CNU2008200020306U patent/CN201137875Y/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011091615A1 (en) * | 2010-01-31 | 2011-08-04 | Qin Houjing | Regulation type light source device |
CN102192478A (en) * | 2010-03-08 | 2011-09-21 | 高锦隆 | Light guide member and light emitting device |
CN102455457A (en) * | 2010-10-18 | 2012-05-16 | 联胜(中国)科技有限公司 | Light guide pillar |
CN102455457B (en) * | 2010-10-18 | 2013-10-23 | 联胜(中国)科技有限公司 | Light guide pillar |
CN102313244A (en) * | 2011-09-09 | 2012-01-11 | 中国科学院宁波材料技术与工程研究所湖州新能源产业创新中心 | Light emitting diode (LED) lamp optical lens |
CN102313245A (en) * | 2011-09-09 | 2012-01-11 | 中国科学院宁波材料技术与工程研究所湖州新能源产业创新中心 | Light emitting diode (LED) lamp lens |
CN102313245B (en) * | 2011-09-09 | 2013-07-31 | 中国科学院宁波材料技术与工程研究所湖州新能源产业创新中心 | Light emitting diode (LED) lamp lens |
TWI456141B (en) * | 2011-12-26 | 2014-10-11 | Wintek Corp | Light guide device and illumination module using the same thereof |
CN102720987A (en) * | 2012-05-25 | 2012-10-10 | 苏州晶品光电科技有限公司 | Light emitting diode (LED) area source employing side light emitting bar |
CN106322243A (en) * | 2016-10-13 | 2017-01-11 | 惠科股份有限公司 | Display device and backlight module |
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