CN103900030A - Optical coupling device and backlight module - Google Patents

Optical coupling device and backlight module Download PDF

Info

Publication number
CN103900030A
CN103900030A CN201210578513.1A CN201210578513A CN103900030A CN 103900030 A CN103900030 A CN 103900030A CN 201210578513 A CN201210578513 A CN 201210578513A CN 103900030 A CN103900030 A CN 103900030A
Authority
CN
China
Prior art keywords
light
surface
plurality
portion
light guide
Prior art date
Application number
CN201210578513.1A
Other languages
Chinese (zh)
Inventor
王何立颖
Original Assignee
鸿富锦精密工业(深圳)有限公司
鸿海精密工业股份有限公司
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 鸿富锦精密工业(深圳)有限公司, 鸿海精密工业股份有限公司 filed Critical 鸿富锦精密工业(深圳)有限公司
Priority to CN201210578513.1A priority Critical patent/CN103900030A/en
Publication of CN103900030A publication Critical patent/CN103900030A/en

Links

Abstract

The invention relates to an optical coupling device used for enabling light rays emitted out from a plurality of light sources to be coupled into a light guide plate. The optical coupling device comprises a plurality of light guide parts. All the light guide parts are made of light transmitting materials and used for being arranged corresponding to the light sources respectively. Each light guide part comprises a light-in face, a light-out face, a top face and a bottom face. Each light-in face and the corresponding light-out face are oppositely arranged, each top face and the corresponding bottom face are oppositely arranged, and the top faces and the bottom faces are both connected with the light-in faces and the light-out faces. Each top face is perpendicular to the corresponding light-in face and the light-out face. The thickness of the light-in faces is larger than the thickness of the light-out faces in the direction perpendicular to the top faces. The light-in faces of the light guide parts are used for conducting optical coupling with the corresponding light sources, the light-out faces of the light guide parts are used for conducting optical coupling with the light guide plate, and thus the optical coupling efficiency of the light guide plate and the light sources can be improved while the thickness of the light sources is not decreased. The invention further relates to a backlight module using the optical coupling device.

Description

光耦合装置及背光模组 Optical coupling means and a backlight module

技术领域 FIELD

[0001] 本发明涉及一种光耦合装置及一种背光模组。 [0001] The present invention relates to an optical coupling device and a backlight module.

背景技术 Background technique

[0002] 现在的侧置式的背光模组的导光板的厚度越来越薄,为了保证光源与导光板之间有较高的耦合效率,就需要光源的厚度也越来越薄。 [0002] The thickness of the light guide plate of the side-mounted current backlight module thinner in order to ensure a high coupling efficiency between the light source and the light guide plate, the light source needs to be thinner thickness. 但是将光源的厚度做成和导光板一样薄,这样比较困难,导致光源与导光板之间的光耦和效率比较低。 However, the thickness of the light source and the light guide plate is made as thin, this is more difficult, resulting in efficiency between the optical coupler and the light source and the light guide plate relatively low.

发明内容 SUMMARY

[0003] 有鉴于此,有必要提供一种光耦合装置及一种背光模组,在不降低光源厚度的同时,能够提高导光板与光源之间的光耦合效率。 [0003] In view of this, it is necessary to provide an optical coupling device and a backlight module, without decreasing the thickness of the light source, it is possible to increase the light coupling efficiency between the light guide plate and the light source.

[0004] —种光I禹合装置,用于将多个光源发射出的光线I禹合至一个导光板内。 [0004] - I and Yu seed light means for lighting the plurality of light sources Yu I emitted from the light guide plate bonded to one. 该光I禹合装置包括多个导光部。 The light I and Yu means comprises a plurality of light guide portions. 该多个导光部均由透光材料制成且分别用于与该多个光源对应设置。 The plurality of light guide portions are made of a light transmissive material and are provided corresponding to the plurality of light sources. 每个导光部包括入光面、出光面、顶面及底面。 Each light guide section includes a light incident surface, a surface, a top surface and a bottom surface. 该入光面与该出光面相背设置。 The light incident surface disposed opposite the light emitting surface. 该顶面与该底面相背设置。 The top surface and the bottom surface disposed opposite. 该顶面及该底面均连接该入光面及该出光面。 The top surface and the bottom surface are connected to the light incident surface and the exit surface. 该顶面垂直于该入光面及该出光面。 The top surface is perpendicular to the light incident surface and the exit surface. 沿垂直于该顶面的方向,该入光面的厚度大于该出光面的厚度。 Direction perpendicular to the top surface, the incident surface thicker than the thickness of the light-receiving surface. 该导光部的该入光面用于与对应的光源进行光耦合,该导光部的该出光面用于与该导光板进行光耦合。 The guide portion of the light incident surface for coupling with a corresponding light source, the light guide portion of the surface for coupling with the optical guide plate.

[0005] —种背光模组,其包括光稱合装置、多个光源及导光板。 [0005] - backlight module, said engagement means including a light, a plurality of light sources and light guide plates. 该光稱合装置位于该导光板与该多个光源之间,用于将多个光源发射出的光线耦合至该导光板内。 The light guide plate said bonding means positioned between said plurality of light sources, a plurality of light sources emitted light is coupled into the light guide plate. 该光耦合装置包括多个导光部。 The light coupling means comprises a plurality of light guide portions. 该多个导光部均由透光材料制成且分别用于与该多个光源对应设置。 The plurality of light guide portions are made of a light transmissive material and are provided corresponding to the plurality of light sources. 每个导光部包括入光面、出光面、顶面及底面。 Each light guide section includes a light incident surface, a surface, a top surface and a bottom surface. 该入光面与该出光面相背设置。 The light incident surface disposed opposite the light emitting surface. 该顶面与该底面相背设置。 The top surface and the bottom surface disposed opposite. 该顶面及该底面均连接该入光面及该出光面。 The top surface and the bottom surface are connected to the light incident surface and the exit surface. 该顶面垂直于该入光面及该出光面。 The top surface is perpendicular to the light incident surface and the exit surface. 沿垂直于该顶面的方向,该入光面的厚度大于该出光面的厚度。 Direction perpendicular to the top surface, the incident surface thicker than the thickness of the light-receiving surface. 该导光部的该入光面用于与对应的光源进行光耦合。 The light incident surface of the light guide portion for optically coupled to a corresponding light source. 该导光部的该出光面用于与该导光板进行光耦合。 The guide portion of the light receiving surface for coupling with the optical guide plate.

[0006] 与现有技术相比较,本发明的光耦合装置及背光模组,由于该多个光源的厚度大于该导光板的厚度,本发明的光耦合装置的该入光面的厚度大于该出光面的厚度,该多个光源发射出的光线从该入光面入射,并从该出光面射出进入该导光板,使得该多个光源与该入光面的光耦合效率增大,该出光面与该导光板的光耦合效率增大,从而实现在不降低光源厚度的同时,能够提高导光板与光源之间的光耦合效率。 [0006] Compared with the prior art, the optical coupling means and a backlight module according to the present invention, since the thickness of the plurality of light sources is greater than a thickness of the light guide plate, the thickness of the light incident surface of the coupling device according to the present invention is greater than the the thickness of the light exit surface, the light emitted from the plurality of light sources into the incident surface, and is emitted from the light emitting surface enters the light guide plate, a plurality of light sources so as to increase the optical coupling efficiency to the light incident surface of the light optical coupling efficiency to the surface of the light guide plate is increased, thereby realizing a light source without decreasing the thickness, it is possible to improve the optical coupling efficiency between the light guide plate and the light source.

附图说明 BRIEF DESCRIPTION

[0007] 图1是本发明较佳实施方式的背光模组的结构示意图。 [0007] FIG. 1 is a schematic diagram of the backlight module of the preferred embodiment of the present invention.

[0008] 图2是图1的背光模组的导光部的结构示意图。 [0008] FIG. 2 is a schematic view of a light guide portion of the backlight module of FIG.

[0009] 图3是图1的背光模组的导光部沿II1-1II方向的剖视图。 [0009] FIG. 3 is a sectional view of a light guide backlight module portion of FIG. 1 along II1-1II direction.

[0010] 主要元件符号说明 [0010] Main reference numerals DESCRIPTION

Figure CN103900030AD00051

如下具体实施方式将结合上述附图进一步说明本发明。 The following detailed description in conjunction with the accompanying drawings, the present invention is described.

具体实施方式 Detailed ways

[0011] 请参阅图1,本发明实施方式提供的一种背光模组400,其包括一个导光板300、多个光源200及光耦合装置100。 [0011] Referring to FIG. 1, an embodiment of the present invention provides a backlight module 400, comprising a light guide plate 300, a plurality of light sources 200 and the optical coupling device 100. 该光耦合装置100位于该导光板300与该多个光源200之间,用于将该多个光源200发射出的光线f禹合至该导光板300内。 The optical coupler 100 positioned between the light guide plate 300 and the plurality of light source 200, for emitting a plurality of the light sources 200 and Yu f into the light guide plate 300. 在本实施方式中,该多个光源200均为发光二极管(Light emitting module, LED),且每个光源200均包括一个发光部210及一个基板220。 In the present embodiment, the plurality of light emitting diodes 200 are (Light emitting module, LED) light source, and each light source 200 includes one light emitting portion 210 and a substrate 220. 该发光部210固定在该基板220上,且与该基板220电连接。 The light emitting portion 210 is fixed on the substrate 220, and is electrically connected to the substrate 220. 该基板220与一个外接电路板(图未示)电连接,使得该基板220从该外接电路板中接收电信号,以控制该发光部210发射出光线。 The substrate 220 and electrically connected to an external circuit board (not shown), so that the substrate 220 receives the electric signal from the external circuit board, for controlling the light emitting unit 210 emits light.

[0012] 该光耦合装置100包括多个导光部10及一个连接部20。 [0012] The optical coupling device 100 includes a plurality of light guide portions 10 and a connecting portion 20. 该多个导光部10及该连接部20均由透光材料制成。 The plurality of light guiding portions is made 10 and the light transmissive material 20 by the connecting portion.

[0013] 结合图2及图3所示,该多个导光部10的结构相同,且与该多个光源200对应设置。 [0013] in conjunction with FIGS. 2 and 3, the plurality of light guiding portion 10 the same configuration, and is provided corresponding to the plurality of light sources 200. 每个导光部10均为楔形板状结构,其包括入光面11、出光面12、顶面13及底面14。 Each light guide portion 10 are wedge-shaped structure, which comprises a light incident surface 11, the surface 12, top surface 13 and bottom surface 14. 该入光面11与该出光面12相背设置。 The light incident surface 11 opposite to the light output surface 12 is provided. 该顶面13与该底面14相背设置,且均连接该入光面11及该出光面12。 The top surface 1314 disposed opposite to the bottom surface, and are connected to the light incident surface 11 and the light emitting surface 12. 该顶面13垂直于该入光面11及该出光面12,该底面14相对该顶面13倾斜设置。 The top surface 13 is perpendicular to the light incident surface 11 and the light emitting surface 12, the bottom surface 14 relative to the top surface 13 inclined. 在垂直于该顶面13的方向上,该入光面11的厚度大于该出光面12的厚度。 In a direction perpendicular to the top surface 13, the light incident surface 11 of a thickness greater than the thickness of the surface 12. 该多个光源200分别与对应的导光部10的该入光面11进行光耦合。 The plurality of light sources 200 respectively corresponding to the incident surface of the light guide portion 10 of the optical coupling 11. 该顶面13及该底面14上均涂布有第一反射膜15,从而将射入该导光部10的光线进行反射,防止该光线从该顶面13及该底面14射出,同时还使得该光线被传递至该出光面12,并从该出光面12射出。 The top surface 13 and the bottom surface 14 are coated with a first reflecting film 15, so that the light incident on the light guiding portion 10 is reflected, preventing the light from the top surface 13 and is emitted from the bottom surface 14, while still allowing the light is transmitted to the light emitting surface 12, and the light output surface 12 is emitted from.

[0014] 该入光面11上开设一个容置槽110,该容置槽110同时贯穿该顶面13。 [0014] The light incident surface 11 defines a receiving groove 110, while the receiving groove 110 through the top surface 13. 该容置槽110包括一个与该出光面12相背设置的侧壁111。 The receiving groove 110 comprises a surface 12 opposite the side wall 111 is provided with this. 该侧壁111开设一个光发散孔112。 The side wall 111 defines a hole 112 diverging light. 该光发散孔112大致呈柱状结构,且在靠近该出光面12的表面为弧面。 The light diverging bore 112 is substantially cylindrical configuration, and near the surface of the surface 12 is cambered. 该光源200的该基板220容置在该容置槽110内,且该发光部210伸入该光发散孔112内,使得该多个光源200与该导光板300精确对位。 The substrate 220 of the light source 200 is accommodated in the accommodating groove 110, and the light emitting portion 210 extending into bore 112 of the divergent light, so that the plurality of light guide plate 200 and 300 accurate alignment. 该光发散孔112用于将对应的发光部210发射出的光线有效地进行发散,以解决对应的光源200的出射光线在零度出射角的部分由于光能量太强,而其他出射角的部分光线太弱而造成的光线密度不均匀的现象,使得从该导光部10的该出光面12出射的光线密度均匀。 The holes 112 for diverging light rays corresponding to the light emitting portion 210 emits the diverging effectively to resolve the corresponding light exiting the light source 200 since the light energy is too strong, and the other portion of the light exit angle of zero degrees in an angle portion light density unevenness phenomenon caused by too weak, so that from the light guide portion 10 of the surface 12 of a uniform density of the emitted light.

[0015] 该连接部20为杆状结构,用于连接该多个导光部10,并将该多个出光面12出射的光线传导至该导光板300。 [0015] The connecting portion 20 is a rod-like structure, for connecting the plurality of light guiding portions 10, and the plurality of the light emitting surface 12 is transferred to the light guide plate 300. 该连接部20包括上表面21、下表面22、第一侧面23及第二侧面24。 The connecting portion 20 includes an upper surface 21, lower surface 22, a first side surface 23 and the second side 24. 该上表面21与该下表面22相背设置,且均涂布有第二反射膜25。 The upper surface 21 disposed opposite the lower surface 22, and are coated with a second reflective film 25. 该第一侧面23与该第二侧面24相背设置。 The first side surface 23 and the second side surface 24 arranged opposite. 该第一侧面23与该多个导光部10的该出光面12接触,并进行光耦合,以接收该多个导光部10出射的光线。 The first side surface 23 of the light 10 exiting the plurality of the light guide portion 10 of the contact surface 12, and optically coupled to receive the plurality of light guide portions. 该第二侧面24与该导光板300进行光耦合,以将射入该连接部20的光线传递至该导光板300内。 The second side surface 24 is optically coupled to the light guide plate 300, the incident light to the connecting portion 20 is transmitted to the guide plate 300. 在垂直于该顶面13的方向上,该第二侧面24的厚度等于该导光板300的厚度。 In a direction perpendicular to the top surface 13, side surface 24 of the second thickness equal to the thickness of the light guide plate 300. 在本实施方式中,该连接部20的边缘与每个该导光部10的出光面12的边缘之间进行点胶固定。 In the present embodiment, the edge portion 20 of the connection with each of the light guide portion between the edge of the dispensing surface 12 is fixed to 10. 当然,该连接部20与该多个导光部10的连接方式并不局限于本实施方式,该连接部20与该多个导光部10也可为一体成型结构。 Of course, the connecting portion 20 and the connection of the plurality of the light guide portion 10 is not limited to the present embodiment, the connecting portion 20 to the plurality of light guide portions 10 may be integrally formed structure. 在其他实施方式中,该连接部20也可省去。 In other embodiments, the connecting portion 20 may be omitted.

[0016] 与现有技术相比较,由于该多个光源200的厚度大于该导光板300的厚度,本发明的光耦合装置100,该入光面11的厚度大于该出光面12的厚度,该多个光源200发射出的光线从该入光面11入射,并从该出光面12射出进入该导光板300,使得该多个光源200与该入光面11的光耦合效率增大,该出光面12与该导光板300的光耦合效率增大,从而实现在不降低该多个光源200厚度的同时,能够提高该导光板300与该多个光源200之间的光耦合效率。 [0016] Compared with the prior art, since the thickness of the plurality of light sources 200 is greater than the thickness of the light guide plate 300, optical coupler 100 of the present invention, the light incident surface 11 of a thickness greater than the thickness of the surface 12, the a plurality of light sources 200 of light emitted from the light incident surface 11 is incident and emitted from the light emitting surface 12 into the light guide plate 300, so that the plurality of light sources 200 increase the optical coupling efficiency of the light incident surface 11, the light surface 12 increases the optical coupling efficiency with the light guide plate 300 in order to achieve without decreasing the thickness of the plurality of light sources 200, it is possible to improve the optical coupling efficiency between the light guide plate 300 and 200 of the plurality of light sources.

[0017] 可以理解的是,对于本领域的普通技术人员来说,可以根据本发明的技术构思做出其它各种相应的改变与变形,而所有这些改变与变形都应属于本发明权利要求的保护范围。 [0017] It will be appreciated that those of ordinary skill in the art, that various other changes and modification in accordance with the respective technical concept of the present invention, and all such modifications and variations should belong to the claims of the invention protected range.

Claims (10)

1.一种光耦合装置,用于将多个光源发射出的光线耦合至一个导光板内,该光耦合装置包括多个导光部,该多个导光部均由透光材料制成且分别用于与该多个光源对应设置,每个导光部包括入光面、出光面、顶面及底面,该入光面与该出光面相背设置,该顶面与该底面相背设置,该顶面及该底面均连接该入光面及该出光面,该顶面垂直于该入光面及该出光面,沿垂直于该顶面的方向,该入光面的厚度大于该出光面的厚度,该导光部的该入光面用于与对应的光源进行光耦合,该导光部的该出光面用于与该导光板进行光耦合。 1. An optical coupling device for coupling light emitted from the plurality of light sources to a light guide plate, the light coupling means comprises a plurality of light guide portions, the plurality of light guide portions are made of light transmissive material and provided corresponding respectively to the plurality of light sources, each light guide section includes a light incident surface, a surface, a top surface and a bottom surface, the light incident surface disposed opposite the light emitting surface, the top surface and the bottom surface disposed opposite, the thickness of the top surface and the bottom surface are connected to the light incident surface and the exit surface, the top surface of the perpendicular to the surface and the light emitting surface, in a direction perpendicular to the top surface, the light incident surface is greater than the exit surface the thickness of the light guide portion of the light incident surface for coupling with a corresponding light source, the light guide portion of the surface for coupling with the optical guide plate.
2.如权利要求1所述的光耦合装置,其特征在于,该顶面及该底面用于将射入该导光部的光线进行反射,以将该光线自该入光面传递至该出光面。 2. The optical coupling device according to claim 1, wherein the top surface and a bottom surface for the incident light guiding portion of the light is reflected to the light transmitted from the light incident surface to the light surface.
3.如权利要求1所述的光耦合装置,其特征在于,该入光面开设有一个容置槽,该多个光源分别容置在对应的导光部的该容置槽内,使得该多个光源与该导光部精确对位。 3. The optical coupling device according to claim 1, wherein the light incident surface defines a receiving groove, the plurality of light sources respectively received in the receiving groove portion corresponding to the light guide so that the a plurality of light source and the light guide portion precise alignment.
4.如权利要求3所述的光耦合装置,其特征在于,该容置槽包括一个与该出光面相背的侧壁,该侧壁开设一个光发散孔,该光发散孔的靠近该出光面的表面为弧面,该光源包括一个发光部及一个基板,该发光部设置在该基板上,该基板容置在该容置槽内,该发光部伸入该光发散孔内,该光发散孔用于将对应的发光部发射出的光线有效地进行发散,使得从该导光部的该出光面出射的光线密度均匀。 4. The optical coupling device according to claim 3, wherein the receiving groove includes a side wall opposite to the light exit surface, the sidewall defines a diverging light aperture, the aperture adjacent the diverging light exit surface surface for the arc, the light source comprises a light emitting portion and a substrate, the light emitting portion is provided on the substrate, the substrate is received in the receiving groove, which extends into the light-emitting diverging bore portion, the diverging light holes for emitting light corresponding to the emitted portion diverging effectively, so that the uniformity of the guide surface from the light emitted portion of light density.
5.如权利要求1所述的光耦合装置,其特征在于,该光耦合装置还包括一个杆状的连接部,该连接部由透光材料制成,该连接部与该多个出光面接触,用于连接该多个导光部,并与该多个出光面进行光耦合。 5. The optical coupling device according to claim 1, wherein the light coupling means further comprises a rod-shaped connecting portion, the connecting portion is made of a light transmissive material, the connecting portion to the surface in contact with a plurality of , for connecting the plurality of light guide portions, and the plurality of light emitting surface optically coupled.
6.如权利要求5所述的光耦合装置,其特征在于,该连接部包括上表面、下表面、第一侧面及第二侧面;该上表面与该下表面相背设置;该第一侧面与该第二侧面相背设置;该第一侧面与该多个导光部的该出光面进行光耦合,以接收该多个导光部出射的光线;该第二侧面与该导光板进行光耦合,以将射入该连接部的光线传递至该导光板内;在垂直于该顶面的方向上,该第二侧面的厚度等于该导光板的厚度。 6. The optical coupling device according to claim 5, wherein the connecting portion includes an upper surface, a lower surface, a first side and a second side; the upper surface and the lower surface disposed opposite; the first side surface disposed opposite to the second side; the first side surface optically coupled to the plurality of the light emitting surface of the light guide portion, for receiving the plurality of light guide portions of the light exit; and the second side surface of the light guide plate coupled to the incident light is transmitted to the connecting portion within the light guide plate; in a direction perpendicular to the top surface of the second side surface of a thickness equal to the thickness of the light guide plate.
7.一种背光模组,其包括导光板、多个光源及光耦合装置,该光耦合装置位于该导光板与该多个光源之间,用于将该多个光源发射出的光线耦合至该导光板内,该光耦合装置包括多个导光部,该多个导光部均由透光材料制成且分别与该多个光源对应设置,每个导光部包括入光面、出光面、顶面及底面,该入光面与该出光面相背设置,该顶面与该底面相背设置,该顶面及该底面均连接该入光面及该出光面,该顶面垂直于该入光面及该出光面,沿垂直于该顶面的方向,该入光面的厚度大于该出光面的厚度,该导光部的该入光面与对应的光源进行光稱合,该导光部的该出光面与该导光板进行光f禹合。 A backlight module, comprising a light guide plate, a plurality of light sources and light coupling means, the coupling means located between the light guide plate and the plurality of light sources, the light emitted for the light sources coupled to a plurality of within this guide plate, the light coupling means comprises a plurality of light guide portions, the plurality of light guide portions respectively, and by light-transmissive material corresponding to the plurality of light sources is provided, each light guide section includes a light incident surface, light side, top and bottom surfaces, the light incident surface disposed opposite the light emitting surface, the top surface and the bottom surface disposed opposite the top surface and the bottom surface are connected to the light incident surface and the exit surface, which is perpendicular to the top surface the light incident surface and the light emitting surface, in a direction perpendicular to the top surface, the light incident surface is thicker than the light emitting surface of the light incident surface of the guide with said light source corresponding to the light portion of the engagement, the the light emitting surface of the light guide portion is engaged with the light guide plate f Yu.
8.如权利要求7所述的背光模组,其特征在于,该入光面开设有一个容置槽,该容置槽包括一个与该出光面相背的侧壁,该侧壁开设一个光发散孔,该光发散孔的靠近该出光面的表面为弧面,该光源包括一个发光部及一个基板,该发光部设置在该基板上,该基板容置在该容置槽内,该发光部伸入该光发散孔内,该光发散孔用于将对应的发光部发射出的光线有效地进行发散,使得从该导光部的该出光面出射的光线密度均匀。 8. The backlight module according to claim 7, wherein the light incident surface defines a receiving groove, the receiving groove includes a side surface opposite to that shown, the sidewall defines a diverging light close to the surface of the bore, the bore surface diverging light arc, the light source comprises a light emitting portion and a substrate, the light emitting portion is provided on the substrate, the substrate is received in the receiving groove, the light emitting portion the bore extends into divergent light, the divergent light beam to a corresponding aperture for emitting section emitted effectively diverge from such a uniform density of the light guiding portion of the light exiting surface.
9.如权利要求7所述的背光模组,其特征在于,该光耦合装置还包括一个杆状的连接部,该连接部由透光材料制成,该连接部与该多个出光面接触以连接该多个导光部,并与该多个出光面进行光耦合。 The backlight module according to claim 7, wherein the light coupling means further comprises a rod-shaped connecting portion, the connecting portion is made of a light transmissive material, the connecting portion to the surface in contact with a plurality of connected to the plurality of light guide portions, and a plurality of optically coupled to the surface.
10.如权利要求9所述的背光模组,其特征在于,该连接部包括上表面、下表面、第一侧面及第二侧面;该上表面与该下表面相背设置;该第一侧面与该第二侧面相背设置;该第一侧面与该多个导光部的该出光面进行光I禹合,以接收该多个导光部出射的光线;该第二侧面与该导光板进行光耦合,以将射入该连接部的光线传递至该导光板内;在垂直于该顶面的方向上,该第二侧面的厚度等于该导光板的厚度。 10. The backlight module according to claim 9, wherein the connecting portion includes an upper surface, a lower surface, a first side and a second side; the upper surface and the lower surface disposed opposite; the first side surface disposed opposite to the second side surface; the side surface of the first light I and Yu the plurality of the light emitting surface of the light guide portion, for receiving the plurality of light rays exiting the light guide portion; a second side of the light guide plate optically coupled to the incident light is transmitted to the connecting portion within the light guide plate; in a direction perpendicular to the top surface of the second side surface of a thickness equal to the thickness of the light guide plate.
CN201210578513.1A 2012-12-28 2012-12-28 Optical coupling device and backlight module CN103900030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210578513.1A CN103900030A (en) 2012-12-28 2012-12-28 Optical coupling device and backlight module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210578513.1A CN103900030A (en) 2012-12-28 2012-12-28 Optical coupling device and backlight module

Publications (1)

Publication Number Publication Date
CN103900030A true CN103900030A (en) 2014-07-02

Family

ID=50991522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210578513.1A CN103900030A (en) 2012-12-28 2012-12-28 Optical coupling device and backlight module

Country Status (1)

Country Link
CN (1) CN103900030A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040012946A1 (en) * 1995-06-27 2004-01-22 Parker Jeffery R. Light emitting panel assemblies
CN1892361A (en) * 2005-07-06 2007-01-10 三星电机株式会社 Light source-guide structure of backlight apparatus and backlight apparatus having the same
US20080106914A1 (en) * 2006-11-03 2008-05-08 Innocom Technology (Shenzhen) Co., Ltd.; Innolux Display Corp. Point light source having light guide portion and backlight module using same
US20090027920A1 (en) * 1995-06-27 2009-01-29 Parker Jeffery R Light emitting panel assemblies
CN101377586A (en) * 2007-08-29 2009-03-04 奇力光电科技股份有限公司 Backlight module unit and LCD device having the same
CN101382698A (en) * 2007-09-06 2009-03-11 富士迈半导体精密工业(上海)有限公司;沛鑫半导体工业股份有限公司 Backlight module unit
CN201527525U (en) * 2009-09-18 2010-07-14 厦门敏讯信息技术股份有限公司 Backlight source structure of liquid crystal module
CN101886784A (en) * 2009-05-15 2010-11-17 上海向隆电子科技有限公司 Light guide device of backlight module
JP2011108520A (en) * 2009-11-18 2011-06-02 Minebea Co Ltd Planar lighting device
CN102121639A (en) * 2010-12-08 2011-07-13 友达光电股份有限公司 Backlight module and assembly method thereof
CN102374449A (en) * 2010-08-09 2012-03-14 荣晋精密科技股份有限公司 Light-emitting unit and backlight module comprising same

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040012946A1 (en) * 1995-06-27 2004-01-22 Parker Jeffery R. Light emitting panel assemblies
US20090027920A1 (en) * 1995-06-27 2009-01-29 Parker Jeffery R Light emitting panel assemblies
CN1892361A (en) * 2005-07-06 2007-01-10 三星电机株式会社 Light source-guide structure of backlight apparatus and backlight apparatus having the same
US20080106914A1 (en) * 2006-11-03 2008-05-08 Innocom Technology (Shenzhen) Co., Ltd.; Innolux Display Corp. Point light source having light guide portion and backlight module using same
CN101377586A (en) * 2007-08-29 2009-03-04 奇力光电科技股份有限公司 Backlight module unit and LCD device having the same
CN101382698A (en) * 2007-09-06 2009-03-11 富士迈半导体精密工业(上海)有限公司;沛鑫半导体工业股份有限公司 Backlight module unit
CN101886784A (en) * 2009-05-15 2010-11-17 上海向隆电子科技有限公司 Light guide device of backlight module
CN201527525U (en) * 2009-09-18 2010-07-14 厦门敏讯信息技术股份有限公司 Backlight source structure of liquid crystal module
JP2011108520A (en) * 2009-11-18 2011-06-02 Minebea Co Ltd Planar lighting device
CN102374449A (en) * 2010-08-09 2012-03-14 荣晋精密科技股份有限公司 Light-emitting unit and backlight module comprising same
CN102121639A (en) * 2010-12-08 2011-07-13 友达光电股份有限公司 Backlight module and assembly method thereof

Similar Documents

Publication Publication Date Title
US7560745B2 (en) LED package and backlight assembly for LCD comprising the same
US8742435B2 (en) LED lighting device
JP5318100B2 (en) Optical element coupled to the thin side-emitting led
CN100540992C (en) Light source utilizing a flexible circuit carrier
US20110182084A1 (en) Light guide device
US20100008628A1 (en) Slim waveguide coupling apparatus and method
CN100470325C (en) Liquid crystal display device
CN101749572B (en) Light emitting module
US20090284688A1 (en) Liquid crystal display device
CN100419522C (en) Plate of guiding light, and backlight module
CN102035909A (en) Portable electronic equipment
US7033062B2 (en) Light source device with optical guiding member and planar light source device employing same
CN103807664A (en) Power supply module and method for producing same
US8393748B2 (en) Arrangement with a semiconductor chip and an optical waveguide layer
CN101147029A (en) Planar lighting apparatus
CN102003676A (en) Lens
CN101609230B (en) Backlight module
KR101761886B1 (en) Display apparatus and method of assembling the same
CN201083921Y (en) Backlight module group and LCD
CN1504803A (en) Backlight source and liquid crystal display device
CN101655213A (en) Light-emitting diode light source module
CN101639200A (en) Light conductor and light source device with same
CN101784837A (en) Lighting assembly
US20160282536A1 (en) Light guide plate and backlight module and display device applying the same
EP1953576A1 (en) Polarized Light Guide Plate With Improved Brightness And Method Of Manufacturing The Same

Legal Events

Date Code Title Description
C06 Publication
C10 Entry into substantive examination
WD01