WO2014110832A1 - 透镜、led背光模组和显示装置 - Google Patents

透镜、led背光模组和显示装置 Download PDF

Info

Publication number
WO2014110832A1
WO2014110832A1 PCT/CN2013/070792 CN2013070792W WO2014110832A1 WO 2014110832 A1 WO2014110832 A1 WO 2014110832A1 CN 2013070792 W CN2013070792 W CN 2013070792W WO 2014110832 A1 WO2014110832 A1 WO 2014110832A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
lens
emitting surface
angle
convex curved
Prior art date
Application number
PCT/CN2013/070792
Other languages
English (en)
French (fr)
Inventor
阮世陈
沈思宽
Original Assignee
深圳市酷开网络科技有限公司
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 深圳市酷开网络科技有限公司 filed Critical 深圳市酷开网络科技有限公司
Priority to US13/991,064 priority Critical patent/US9080743B2/en
Priority to AU2013206067A priority patent/AU2013206067B2/en
Priority to EP13724496.8A priority patent/EP2916150B1/en
Priority to PCT/CN2013/070792 priority patent/WO2014110832A1/zh
Priority to IN952MUN2013 priority patent/IN2013MN00952A/en
Priority to RU2013133314/28A priority patent/RU2566529C2/ru
Publication of WO2014110832A1 publication Critical patent/WO2014110832A1/zh

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0071—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source adapted to illuminate a complete hemisphere or a plane extending 360 degrees around the source

Definitions

  • the invention belongs to the field of optical technologies, and in particular relates to a lens, an LED backlight module and a display device.
  • LED illumination has a single directionality, and the light intensity distribution range is narrow, and a lens is required for light distribution.
  • the area is small and not uniform enough to meet the application requirements. To do this, it is necessary to use a larger number of light-emitting diode (LED) sets to achieve the same plane on the ⁇ , Different locations have the same and uniform light intensity distribution, which will result in a costly and cumbersome backlight module system.
  • a light incident surface for receiving light from the light source
  • a first convex curved surface serving as a first light exiting surface
  • the first light-emitting surface, the second light-emitting surface, and the third light-emitting surface are sequentially connected from top to bottom and from the inside to the outside; the second light-emitting surface is in contact with the third light-emitting surface to form a first step;
  • the entrance surface is a concave curved surface, and the tangent line of the concave curved surface bus line intersects with the rotation axis thereof to form a first angle;
  • the first light exit surface is a convex curved surface of the middle concave surface, and the tangent line of the convex curved surface bus line intersects with the rotation axis thereof
  • the second illuminating surface intersects the bottom surface to form a third angle;
  • the third illuminating surface is a convex curved surface, and the tangent of the convex curved surface busbar intersects with the rotating axis to form a fourth angle.
  • Another object of the present invention is to provide an LED backlight module including a plurality of LEDs, wherein the backlight module uses the above lenses, and each LED cooperates with the lens.
  • Another object of embodiments of the present invention is to provide a display device using the above lens.
  • the light emitted by the light source receives the light source, and after the light emitted by the light source enters the lens, part of the light is directly refracted from a light emitting surface, and the other light is reflected to the other light emitting surface through a light emitting surface or The bottom surface is then reflected by the other light-emitting surface or the bottom surface to the other light-emitting surface, and finally refracted from the other light-emitting surface, so that the light emitted by the light source is first scattered in the lens, and then the light is refracted from the different light-emitting surfaces of the lens.
  • the lens is particularly suitable for various LED backlight modules and display devices.
  • FIG. 1 is a perspective view of a lens according to an embodiment of the present invention.
  • FIG. 2 is a top plan view of a lens according to an embodiment of the present invention.
  • FIG. 3 is a bottom view of a lens according to an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of a lens according to an embodiment of the present invention (each line segment is a bus bar of a corresponding surface);
  • FIG. 5 is a light path diagram of a lens having two steps according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a lens having three stages according to an embodiment of the present invention.
  • the light emitted by the light source receives the light source, and after the light emitted by the light source enters the lens, part of the light is directly refracted from a light emitting surface, and the other light is reflected to the other light emitting surface through a light emitting surface or The bottom surface is then reflected by the other light-emitting surface or the bottom surface to the other light-emitting surface, and finally refracted from the other light-emitting surface, so that the light emitted by the light source is first scattered in the lens, and then the light is refracted from the different light-emitting surfaces of the lens.
  • Out to increase the light output area, and uniformity is good.
  • the lens provided by the embodiment of the present invention has a bottom surface 10, a light incident surface 9 for receiving light from the light source 8, and a first convex curved surface serving as the first light exit surface 1.
  • the second light exit surface 2 is connected to the third light exit surface 3 to form a first step;
  • the light incident surface 9 is a concave curved surface, and the tangent line of the concave curved surface bus line is
  • the rotating axis OP intersects to form a first angle;
  • the first light-emitting surface 1 is a convex curved surface with an intermediate recess, the tangent of the convex curved busbar intersects with the rotating axis OP to form a second angle;
  • the light incident from the LED light source is received by the light incident surface 9.
  • part of the light (such as light P1, P3) is directly refracted from a light emitting surface, and another light is emitted.
  • it is reflected by a light-emitting surface to other light-emitting surface or bottom surface, and then reflected to another light-emitting surface through other light-emitting surfaces (such as light P5) or the bottom surface (such as light P2, P4), and finally refracted from the other light-emitting surface.
  • the light emitted by the light source 8 is first scattered in the lens, and then the light is refracted from the different light-emitting surfaces of the lens, thereby increasing the light-emitting area and having good uniformity.
  • the first included angle decreases from top to bottom.
  • the magnitude of the decrease depends on the uniformity of the LED light source or the directivity of the light source. That is to say, the design of the angle between the tangent of the concave curved surface busbar and its rotating shaft needs to consider the parameters such as the angle and height of the light emitting surface of the LED light source below. In general, the larger the angle of the exit surface of the LED light source or the better the uniformity, The smaller the angle between the tangent of the concave curved surface busbar and its axis of rotation.
  • the second angle from the inside to the outside (that is, the angle between the tangent of the first convex curved busbar and the axis of rotation thereof) first increases and then decreases.
  • the first convex curved surface 1 is concave in the middle, and the center of the concave is a singular point (corresponding to a sudden change point).
  • the angle between the tangent of the convex curved busbar and its rotation axis OP increases sharply from the center point by 90°, and then gradually decreases in the outward direction.
  • the increase and decrease amplitude and the uniformity of the light source and the size of the light source expand. related.
  • the angle between the second light-emitting surface 2 and the bottom surface 10 is less than 45°, so that the incident light is more likely to be refracted and more dispersed, and is offset from the rotation axis, thereby dispersing and reflecting the light, thereby avoiding concentration of light and causing a central bright spot. Achieve the purpose of homogenizing light.
  • the fourth angle (the angle between the tangent of the third light-emitting surface busbar and the axis of rotation thereof) increases from top to bottom. In this way, the light is evenly spread, and the optimum angle depends on the size or angle of the LED light emitting surface.
  • the lens further has a second annular inclined surface serving as the fourth light-emitting surface 4 and a third convex curved surface or a round mesa serving as the fifth light-emitting surface 5.
  • the fourth light-emitting surface 4 is in contact with the third light-emitting surface 3, and the fourth light-emitting surface 4 is in contact with the fifth light-emitting surface 5 to form a second stage for diffusing light; the fourth light-emitting surface 4 is The angle of the bottom surface 10 is smaller than the angle between the second light-emitting surface 2 and the bottom surface 10; when the fifth light-emitting surface 5 is a convex curved surface, the angle between the tangent of the convex curved surface busbar and the rotating shaft increases from top to bottom.
  • the fifth light-emitting surface 5 described herein may also be a round mesa for lens forming.
  • the area is larger and the uniformity is better, and the third side of the lens is formed by the third annular inclined surface and the fourth convex curved surface. Third stage.
  • the third annular slope is used as the sixth light exit surface 6, and the fourth convex curved surface is used as the seventh light exit surface 7, and the sixth light exit surface 6 is in contact with the fifth light exit surface 5, the sixth
  • the angle between the light-emitting surface 6 and the bottom surface 10 is smaller than the angle between the fourth light-emitting surface 4 and the bottom surface 10; when the seventh light-emitting surface 7 is a convex curved surface, the tangent of the convex curved surface bus and the rotation axis thereof from top to bottom The angle is increased.
  • the seventh light-emitting surface 7 described herein may also be a round mesa for lens forming.
  • the bottom surface 10 is a plane having a three-dimensional structure, and the three-dimensional structure is specifically a pyramid, a cone, a partial sphere, a cylinder or a prism circle/groove, thereby further enhancing the scattering effect of light in the lens. Further improve the uniformity of light output.
  • the LED backlight module can be made up of a plurality of LEDs and a lens matched with each LED.
  • the lens material can be made of the following transparent materials, such as glass, ceramic, or polymer materials, such as polytetrafluoroethylene (polytetrafluoroethylene, PTFE), methyl methacrylate (PMMA), PEMA, polycarbonate, silicone and other polymer blends, the process can be injection molded or compression molded, This facilitates the molding of the lens.
  • the light incident surface 9 is concave and the axis of symmetry is the optical axis of the lens.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Led Device Packages (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种透镜、LED背光模组和显示装置，透镜由入光面（9）接收光源（8）发出的光线，光源发出的光线进入透镜后，部分光线（P1，P3）直接从某一出光面折射而出，另一部分光线（P2，P4，P5）先经某一出光面反射至其他出光面或底面（10），后经其他出光面或底面反射至另外的出光面，最后从另外的出光面折射而出，这样先在透镜内将光源发出的光线打散，再使各光线从透镜不同的出光面折射而出，以此增大出光面积，且均匀性佳。透镜尤其适用于各种LED背光模组及显示装置。

Description

透镜、LED背光模组和显示装置 技术领域
本发明属于光学技术领域，尤其涉及一种透镜、LED背光模组和显示装置。
 背景技术
发光二极管（LED）发光具有单一方向性，光强度分布范围狭窄，需采用透镜进行配光。然而LED发出光经现有透镜出射后面积较小，且不够均匀，无法满足应用要求。为此，需要使用数目较多的发光二极管(LED)集合排列，以达成在ㄧ相同平面上, 不同位置点具有相同且均匀的光强度分布,如此将导致高额的成本费用且笨重的背光模组系统。
技术问题
本发明实施例的目的在于提供一种透镜，旨在解决LED发出光经现有透镜出射后面积较小，且不够均匀的问题。
 技术解决方案
本发明实施例是这样实现的，一种透镜，具有：
一底面；
一用以接收光源发出光线的入光面；
一用作第一出光面的第一凸曲面；
一用作第二出光面的第一环状斜面；
一用作第三出光面的第二凸曲面；
其中，所述第一出光面、第二出光面和第三出光面自上而下、由内至外依序连接；第二出光面与第三出光面相接形成第一阶台；所述入光面为内凹弧面，该内凹弧面母线的切线与其旋转轴相交成第一夹角；所述第一出光面为中间凹陷的凸曲面，该凸曲面母线的切线与其旋转轴相交成第二夹角；所述第二出光面与底面相交成第三夹角；所述第三出光面为外凸曲面，该外凸曲面母线的切线与其旋转轴相交成第四夹角。
本发明实施例的另一目的在于提供一种LED背光模组，包括多个LED，所述背光模组采用上述透镜，每一LED与所述透镜配合。
本发明实施例的另一目的在于提供一种显示装置，所述显示装置采用上述透镜。
 有益效果
本发明实施例由入光面接收光源发出的光线，光源发出的光线进入透镜后，其中部分光线直接从某一出光面折射而出，另一部分光线先经某一出光面反射至其它出光面或底面，后经其它出光面或底面反射至另外的出光面，最后从另外的出光面折射而出，这样先在透镜内将光源发出的光线打散，再使各光线从透镜不同出光面折射而出，以此增大出光面积，且均匀性佳。因此，本透镜尤适用于各种LED背光模组及显示装置。
 附图说明
图1是本发明实施例提供的透镜的透视图；
图2是本发明实施例提供的透镜的俯视图；
图3是本发明实施例提供的透镜的仰视图；
图4是本发明实施例提供的透镜的剖视图（图中各线段分别为相应表面的母线）；
图5是本发明实施例提供的具有两个阶台的透镜的光路图；
图6是本发明实施例提供的具有三个阶台的透镜的结构示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明实施例由入光面接收光源发出的光线，光源发出的光线进入透镜后，其中部分光线直接从某一出光面折射而出，另一部分光线先经某一出光面反射至其它出光面或底面，后经其它出光面或底面反射至另外的出光面，最后从另外的出光面折射而出，这样先在透镜内将光源发出的光线打散，再使各光线从透镜不同出光面折射而出，以此增大出光面积，且均匀性佳。
下面以LED为光源对本发明的实现进行详细描述。
如图1~5所示，本发明实施例提供的透镜具有一底面10、一用以接收光源8发出光线的入光面9、一用作第一出光面1的第一凸曲面、一用作第二出光面2的第一环状斜面以及一用作第三出光面3的第二凸曲面，其中所述第一出光面1、第二出光面2和第三出光面3自上而下、由内至外依序连接；第二出光面2与第三出光面3相接形成第一阶台；所述入光面9为内凹弧面，该内凹弧面母线的切线与其旋转轴OP相交成第一夹角；所述第一出光面1为中间凹陷的凸曲面，该凸曲面母线的切线与其旋转轴OP相交成第二夹角；所述第二出光面2与底面10相交成第三夹角；所述第三出光面3为外凸曲面，该外凸曲面母线的切线与其旋转轴OP相交成第四夹角。此处由所述入光面9接收LED光源发出的光线，所述LED光源8发出光线进入透镜后，其中部分光线（如光线P1、P3）直接从某一出光面折射而出，另一部分光线先经某一出光面反射至其它出光面或底面，后经其它出光面（如光线P5）或底面（如光线P2、P4）反射至另外的出光面，最后从另外的出光面折射而出，这样先在透镜内将光源8发出的光线打散，再使各光线从透镜不同出光面折射而出，以此增大出光面积，且均匀性佳。
通常，自上而下所述第一夹角（即所述内凹弧面母线的切线与其旋转轴的夹角）减小。具体地，减小幅度随LED光源均匀性或光源指向性而定, 亦即内凹弧面母线的切线与其旋转轴的夹角设计需考虑下方LED光源出光面角度与高度等参数。一般而言, LED光源出光面角度愈大或均匀性愈佳, 内凹弧面母线的切线与其旋转轴的夹角愈小。
本发明实施例中由内至外所述第二夹角（即所述第一凸曲面母线的切线与其旋转轴的夹角）先增大后减小。具体地，所述第一凸曲面1中间凹陷，凹陷中心为一奇点（相当于突变点）, 由内至外该凸曲面母线的切线与其旋转轴OP的夹角从中心点90°先急剧增大后沿向外方向逐步减小，其增大与减小幅度与光源均匀性及光源展开大小有关。
前述第二出光面2与底面10的夹角小于45°,这样可使入射光线较易发生折射而更为分散,且偏离旋转轴,藉此分散反射光线,避免光线集中,造成中心亮点,从而达到均匀化光线的目的。另外，自上而下所述第四夹角（所述第三出光面母线的切线与其旋转轴的夹角）增大, 藉此均匀展开光线, 其最佳角度需视LED出光面大小或角度而定。
本发明实施例中所述透镜还具有一用作第四出光面4的第二环状斜面和一用作第五出光面5的第三凸曲面或圆台面。其中，所述第四出光面4与第三出光面3相接，第四出光面4与第五出光面5相接形成用以扩散光线的第二阶台；所述第四出光面4与底面10的夹角小于第二出光面2与底面10的夹角；所述第五出光面5为外凸曲面时，自上而下该外凸曲面母线的切线与其旋转轴的夹角增大。此处所述第五出光面5还可以为圆台面，利于透镜成型。
如图6所示，为使所述光源8发出光线经本透镜出射后面积更大，均匀性更佳，于所述透镜侧面设由第三环状斜面和第四凸曲面相接形成的第三阶台。其中所述第三环状斜面用作第六出光面6，所述第四凸曲面用作第七出光面7，所述第六出光面6与第五出光面5相接，所述第六出光面6与底面10的夹角小于第四出光面4与底面10的夹角；所述第七出光面7为外凸曲面时，自上而下该外凸曲面母线的切线与其旋转轴的夹角增大。这样透镜内的光线将更加分散，相应地增大了出光面积，且均匀性增强。当然，此处所述第七出光面7还可以为圆台面，利于透镜成型。
本发明实施例中所述底面10为具有三维结构的平面，所述三维结构具体为金字塔、圆锥、部分球形、圆柱体或棱镜圆圈/槽沟，从而进一步增强光线于透镜内的打散效果，进一步提升出光的均匀性。若前述光源为LED时，由多个LED及与各LED匹配的透镜可制成LED背光模组。
本透镜材质可由以下透明材料制成，如玻璃，陶瓷，或聚合物材质，如聚四氟乙烯(polytetrafluoroethylene, PTFE)、甲基丙烯酸甲酯(PMMA)、PEMA、聚碳酸酯、硅酮和其它聚合物混合物，工艺可以注塑或压模成形, 这样利于本透镜成型。其中，所述入光面9内凹，其对称轴为透镜光轴。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种透镜，其特征在于，所述透镜具有：
    一底面；
    一用以接收光源发出光线的入光面；
    一用作第一出光面的第一凸曲面；
    一用作第二出光面的第一环状斜面；
    一用作第三出光面的第二凸曲面；
    其中，所述第一出光面、第二出光面和第三出光面自上而下、由内至外依序连接；第二出光面与第三出光面相接形成第一阶台；所述入光面为内凹弧面，该内凹弧面母线的切线与其旋转轴相交成第一夹角；所述第一出光面为中间凹陷的凸曲面，该凸曲面母线的切线与其旋转轴相交成第二夹角；所述第二出光面与底面相交成第三夹角；所述第三出光面为外凸曲面，该外凸曲面母线的切线与其旋转轴相交成第四夹角。
  2. 如权利要求1所述的透镜，其特征在于，自上而下所述第一夹角减小。
  3. 如权利要求1或2所述的透镜，其特征在于，由内至外所述第二夹角先增大后减小。
  4. 如权利要求3所述的透镜，其特征在于，所述第三夹角小于45°。
  5. 如权利要求4所述的透镜，其特征在于，自上而下所述第四夹角增大。
  6. 如权利要求3所述的透镜，其特征在于，所述透镜还具有：
    一用作第四出光面的第二环状斜面；
    一用作第五出光面的第三凸曲面或圆台面；
    其中，所述第四出光面与第三出光面相接，第四出光面与第五出光面相接形成第二阶台；所述第四出光面与底面的夹角小于第二出光面与底面的夹角；所述第五出光面为外凸曲面时，自上而下该外凸曲面母线的切线与其旋转轴的夹角增大。
  7. 如权利要求6所述的透镜，其特征在于，所述透镜进一步具有：
    一用作第六出光面的第三环状斜面；
    一用作第七出光面的第四凸曲面或圆台面；
    其中，所述第六出光面与第五出光面相接，第六出光面与第七出光面相接形成第三阶台；所述第六出光面与底面的夹角小于第四出光面与底面的夹角；所述第七出光面为外凸曲面时，自上而下该外凸曲面母线的切线与其旋转轴的夹角增大。
  8. 如权利要求1、2、4、5、6或7所述的透镜，其特征在于，所述底面为具有三维结构的平面，所述三维结构为金字塔、圆锥、部分球形、圆柱体或棱镜圆圈/槽沟。
  9. 一种LED背光模组，包括多个LED，其特征在于，所述背光模组采用如权利要求1~8中任一项所述的透镜，每一LED与所述透镜配合。
  10. 一种显示装置，其特征在于，所述显示装置采用如权利要求9所述的透镜。
PCT/CN2013/070792 2013-01-21 2013-01-21 透镜、led背光模组和显示装置 WO2014110832A1 (zh)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US13/991,064 US9080743B2 (en) 2013-01-21 2013-01-21 Lens, LED backlight module and display device
AU2013206067A AU2013206067B2 (en) 2013-01-21 2013-01-21 Lens, LED backlight module and display device
EP13724496.8A EP2916150B1 (en) 2013-01-21 2013-01-21 Lens, led backlight module, and display device
PCT/CN2013/070792 WO2014110832A1 (zh) 2013-01-21 2013-01-21 透镜、led背光模组和显示装置
IN952MUN2013 IN2013MN00952A (zh) 2013-01-21 2013-01-21
RU2013133314/28A RU2566529C2 (ru) 2013-01-21 2013-01-21 Линза, модуль задней светодиодной подсветки и устройство отображения

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/070792 WO2014110832A1 (zh) 2013-01-21 2013-01-21 透镜、led背光模组和显示装置

Publications (1)

Publication Number Publication Date
WO2014110832A1 true WO2014110832A1 (zh) 2014-07-24

Family

ID=51207519

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/070792 WO2014110832A1 (zh) 2013-01-21 2013-01-21 透镜、led背光模组和显示装置

Country Status (6)

Country Link
US (1) US9080743B2 (zh)
EP (1) EP2916150B1 (zh)
AU (1) AU2013206067B2 (zh)
IN (1) IN2013MN00952A (zh)
RU (1) RU2566529C2 (zh)
WO (1) WO2014110832A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102087946B1 (ko) * 2013-10-30 2020-03-11 엘지이노텍 주식회사 발광소자 패키지
US9568768B2 (en) 2014-06-28 2017-02-14 Radiant Choice Limited Wavelength mixing optical component
US9488864B2 (en) 2014-06-28 2016-11-08 Radiant Choice Limited Light distributing optical component
CN111552115B (zh) * 2020-05-11 2023-06-20 深圳创维－Rgb电子有限公司 背光模组和显示装置
USD992804S1 (en) * 2020-05-13 2023-07-18 Ledil Oy Light diffuser

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1249818A (zh) * 1997-11-05 2000-04-05 皇家菲利浦电子有限公司 透镜片
JP3955189B2 (ja) * 2001-06-07 2007-08-08 松下電器産業株式会社 対物レンズ及びそれを用いた光ヘッド装置と情報記録再生装置
CN101363588A (zh) * 2007-08-09 2009-02-11 夏普株式会社 发光装置及具有该发光装置的照明装置
JP4348917B2 (ja) * 2002-09-10 2009-10-21 コニカミノルタホールディングス株式会社 合成樹脂製レンズ及びその形成方法
US20110304764A1 (en) * 2010-06-15 2011-12-15 Norimichi Shigemitsu Lens element, imaging lens, and imaging module

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB969020A (en) * 1960-04-01 1964-09-09 Kockums Mekaniska Verkstads Ab Improvements in or relating to drum lenses
JPH04348917A (ja) 1991-06-28 1992-12-03 Janome Sewing Mach Co Ltd 合成樹脂成形用の簡易型形成方法
TW558015U (en) * 2002-12-06 2003-10-11 Hon Hai Prec Ind Co Ltd Backlight module
US7473013B2 (en) * 2003-12-10 2009-01-06 Okaya Electric Industries Co., Ltd. Indicator lamp having a converging lens
JP4360945B2 (ja) * 2004-03-10 2009-11-11 シチズン電子株式会社 照明装置
JP2006091821A (ja) * 2004-08-26 2006-04-06 Fuji Photo Film Co Ltd プリズムシート及びこれを用いた表示装置
KR100580753B1 (ko) * 2004-12-17 2006-05-15 엘지이노텍 주식회사 발광소자 패키지
KR101229874B1 (ko) * 2005-04-22 2013-02-05 삼성디스플레이 주식회사 광학 렌즈와, 이를 갖는 광학 패키지, 백라이트 어셈블리및 표시장치
KR100770424B1 (ko) * 2006-12-13 2007-10-26 삼성전기주식회사 발광 다이오드 패키지 및 그 제조 방법
CN101750643B (zh) * 2008-12-05 2012-12-19 鸿富锦精密工业（深圳）有限公司 透镜及采用该透镜的光源模组
US8449150B2 (en) * 2009-02-03 2013-05-28 Osram Sylvania Inc. Tir lens for light emitting diodes
CN101923209B (zh) * 2009-06-16 2013-06-05 鸿富锦精密工业（深圳）有限公司 集光装置
KR100986468B1 (ko) * 2009-11-19 2010-10-08 엘지이노텍 주식회사 렌즈 및 렌즈를 갖는 발광 장치
CN102401318A (zh) * 2010-09-10 2012-04-04 欧司朗有限公司 透镜加工方法以及透镜
TW201213878A (en) * 2010-09-27 2012-04-01 Foxsemicon Integrated Tech Inc Lens and light source module

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1249818A (zh) * 1997-11-05 2000-04-05 皇家菲利浦电子有限公司 透镜片
JP3955189B2 (ja) * 2001-06-07 2007-08-08 松下電器産業株式会社 対物レンズ及びそれを用いた光ヘッド装置と情報記録再生装置
JP4348917B2 (ja) * 2002-09-10 2009-10-21 コニカミノルタホールディングス株式会社 合成樹脂製レンズ及びその形成方法
CN101363588A (zh) * 2007-08-09 2009-02-11 夏普株式会社 发光装置及具有该发光装置的照明装置
US20110304764A1 (en) * 2010-06-15 2011-12-15 Norimichi Shigemitsu Lens element, imaging lens, and imaging module

Also Published As

Publication number Publication date
US9080743B2 (en) 2015-07-14
RU2013133314A (ru) 2015-03-10
EP2916150B1 (en) 2019-12-11
EP2916150A4 (en) 2016-11-30
EP2916150A1 (en) 2015-09-09
AU2013206067B2 (en) 2015-02-05
AU2013206067A1 (en) 2014-08-07
RU2566529C2 (ru) 2015-10-27
IN2013MN00952A (zh) 2015-06-05
US20140204563A1 (en) 2014-07-24

Similar Documents

Publication Publication Date Title
CN102003676B (zh) 透镜
WO2014110832A1 (zh) 透镜、led背光模组和显示装置
US8029157B2 (en) Light refraction illumination device
TWI328702B (en) Backlight system
CN101893200B (zh) 一种聚光透镜及使用该聚光透镜的灯具
JP2004529382A (ja) 線状照明源
CN103090311A (zh) 透镜、led背光模组和显示装置
KR20150060650A (ko) 측면 방출형 엘이디 렌즈
CN102906607A (zh) 平面光导体和照明设备
WO2012028083A1 (zh) 匀光反光器的设计方法
TW200409974A (en) Light guide plate and plane light source using the same
CN102062883A (zh) 透镜及采用该透镜的照明装置及路灯
CN102759062B (zh) 一种led泛光透镜、led泛光灯及照明设备
TW201610516A (zh) 透鏡、發光裝置及背光模組
CN102759063B (zh) 一种led泛光透镜、led泛光灯及照明设备
TW201002979A (en) Optical illumination module
CN202581126U (zh) Led光源模组及其透镜
WO2014107075A1 (ko) 측면 방출형 엘이디 렌즈, 이를 구비하는 백라이트유닛 및 표시장치
US9214612B1 (en) Lens with diffusion layer and LED module using the same
CN204945564U (zh) 背光模组
CN102759064B (zh) 一种led泛光透镜、led泛光灯及照明设备
CN102759065B (zh) 一种led泛光透镜、led泛光灯及照明设备
CN203453989U (zh) 一种用于led灯具的二次光学透镜
CN102788312B (zh) 泛光透镜及灯具
CN205942192U (zh) 一种背光用led二次透镜

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 13991064

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2013724496

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2013206067

Country of ref document: AU

ENP Entry into the national phase

Ref document number: 2013133314

Country of ref document: RU

Kind code of ref document: A

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13724496

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE