WO2021026941A1 - 一种镜片及镜头组件 - Google Patents

一种镜片及镜头组件 Download PDF

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Publication number
WO2021026941A1
WO2021026941A1 PCT/CN2019/101019 CN2019101019W WO2021026941A1 WO 2021026941 A1 WO2021026941 A1 WO 2021026941A1 CN 2019101019 W CN2019101019 W CN 2019101019W WO 2021026941 A1 WO2021026941 A1 WO 2021026941A1
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WO
WIPO (PCT)
Prior art keywords
lens
holes
optical
hole
optical axis
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Application number
PCT/CN2019/101019
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English (en)
French (fr)
Inventor
许凌云
Original Assignee
诚瑞光学(常州)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.)
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Publication date
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Publication of WO2021026941A1 publication Critical patent/WO2021026941A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B2003/0093—Simple or compound lenses characterised by the shape

Definitions

  • the invention belongs to the technical field of optical imaging, and particularly relates to a lens and a lens assembly.
  • the peripheral position of the lens is usually covered with a matting film for matting or black plating.
  • the surface of the lens is covered with a matting film before assembly will affect the assembly accuracy between the lenses, and the black plating treatment will reduce the appearance yield of the lens and increase the cost.
  • the purpose of the present invention is to provide a lens and a lens assembly, which aims to solve the problems in the related art that covering the surface of the lens with a matting film will affect the assembly accuracy between the lenses and the black plating treatment will reduce the appearance yield of the lens and increase the cost.
  • a lens comprising an optical part for imaging and a peripheral part surrounding the optical part, and the peripheral part is provided with a peripheral part along the optical axis direction of the lens.
  • Through holes the through holes are distributed on multiple circles with different diameters, the centers of the multiple circles are located on the optical axis, and the number of the through holes on the circumference that is farther away from the optical axis more.
  • the diameter of the through hole is 0.04 mm.
  • the through holes on the same circumference are arranged at equal intervals.
  • the through hole on the circumference closest to the optical part is spaced apart from the outer edge of the optical part.
  • the through hole on the circumference farthest from the optical part is spaced apart from the outer edge of the lens.
  • a lens assembly which includes a lens barrel having an accommodating space and a light-passing hole and a lens arranged in the accommodating space, and the lens is any one of the above lenses.
  • the beneficial effect of the present invention is that the present invention is provided with a through hole along the optical axis direction of the lens on the peripheral portion of the lens.
  • the through holes are distributed on multiple circles with different diameters but the same center.
  • the stray light is absorbed when the light is irradiated to the lens area where the through holes are arranged, which can effectively reduce the reflection of the stray light on the periphery of the lens, improve the image quality, and the through holes will not affect the assembly of the lens The precision will not reduce the appearance yield of the lens or increase the cost.
  • Figure 1 is a schematic diagram of the overall structure of a lens provided by an embodiment of the present invention.
  • FIG. 2 is a schematic view of another view of the structure of the lens provided by the embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the overall structure of a lens assembly provided by an embodiment of the present invention.
  • the lens 1 includes an optical part 11 for imaging and a peripheral part 12 surrounding the optical part 11.
  • the peripheral part 12 is provided with a lens 1 The direction of the optical axis penetrates the through hole 30 of the peripheral portion 12.
  • the through holes 30 are distributed on multiple circles with different diameters, and the centers of the multiple circles are located on the optical axis, that is, the multiple circles on the peripheral portion 12 are concentric circles, and the through holes on the circumference farther away from the optical axis The more the number of 30.
  • the specific number of the through holes 30 on each circumference can be set according to actual requirements, and this embodiment does not limit the specific number of the through holes 30 on each circumference.
  • the through holes 30 arranged on the peripheral portion 12 are in a honeycomb shape.
  • the stray light is absorbed, which can effectively reduce the reflection of the stray light on the peripheral part 12, and improve the image quality, and the through holes 30 will not affect the assembly of the lens 1 The accuracy will not reduce the appearance yield of the lens 1 or increase the cost.
  • the through holes 30 on the same circumference are arranged at equal intervals. In other embodiments, the intervals between the through holes 30 on the same circumference may also be unequal.
  • the through hole 30 on the circumference closest to the optical part 11 is spaced from the outer edge of the optical part 11, and the through hole 30 on the circumference farthest from the optical part 11 is spaced from the outer edge of the lens 1 to avoid affecting the lens 1
  • the appearance makes the lens 1 unsightly.
  • the diameter of the through hole 30 is 0.04 mm.
  • An embodiment of the present invention also provides a lens assembly 100.
  • the lens assembly 100 includes a lens barrel 2 having an accommodating space 6 and a light through hole 5, and the above-mentioned technical solution arranged in the accommodating space 6 Lens 1 in (this embodiment takes the lens 1 closest to the object side as an example).
  • the optical portion 11 of the lens 1 corresponds to the light-passing hole 5.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)

Abstract

一种镜片（1）及镜头组件（100），镜头组件（100）包括具有容置空间（6）且开设通光孔（5）的镜筒（2）和设置于容置空间（6）内的镜片（1），镜片（1）包括用于成像的光学部（11）和环绕光学部（11）的周边部（12），周边部（12）上设有沿镜片（1）的光轴方向贯穿周边部（12）的通孔（30），通孔（30）分布在不同直径的多个圆周上，多个圆周的圆心位于光轴上，远离光轴越远的圆周上的通孔（30）的数量越多。当光线照射至排布有通孔（30）的镜片（1）区域范围时，杂光被吸收，可有效削减镜片（1）周边部（12）对杂光的反射现象，提升成像品质，并且通孔（30）不会影响镜片（1）的组装精度，也不会降低镜片（1）的外观良率或增加成本。

Description

一种镜片及镜头组件 技术领域
本发明属于光学成像技术领域，尤其涉及一种镜片及镜头组件。
 背景技术
随着成像技术的发展以及具有摄像功能的电子产品的广泛使用，光学镜头组件广泛应用于生活的各个领域。相关技术中，为了避免从不同角度射入镜头组件的光在镜头组件内发生多次反射，形成杂光干扰，通常会在镜片的周边位置覆盖用于消光的消光膜或进行镀黑处理，镜片的表面覆盖消光膜之后再进行组装会影响镜片之间的组装精度，而镀黑处理则会降低镜片的外观良率并增加成本。
 技术问题
本发明的目的在于提供一种镜片及镜头组件，旨在解决相关技术中在镜片表面覆盖消光膜会影响镜片之间的组装精度以及镀黑处理会降低镜片的外观良率并增加成本的问题。
 技术解决方案
本发明的技术方案如下：一种镜片，其包括用于成像的光学部和环绕所述光学部的周边部，所述周边部上设有沿所述镜片的光轴方向贯穿所述周边部的通孔，所述通孔分布在不同直径的多个圆周上，多个所述圆周的圆心位于所述光轴上，远离所述光轴越远的所述圆周上的所述通孔的数量越多。
进一步地，所述通孔的直径为0.04mm。
进一步地，同一个所述圆周上的所述通孔等间隔设置。
进一步地，最靠近所述光学部的所述圆周上的所述通孔与所述光学部的外缘间隔设置。
进一步地，最远离所述光学部的所述圆周上的所述通孔与所述镜片的外缘间隔设置。
进一步地，提供一种镜头组件，包括具有容置空间且开设通光孔的镜筒和设置于所述容置空间内的镜片，所述镜片为如上任意一种所述的镜片。
 有益效果
本发明的有益效果在于：本发明在镜片周边部上设有沿镜片的光轴方向贯穿周边部的通孔，通孔分布在直径不同但圆心相同的多个圆周上，在周边部上呈蜂窝状排布，当光线照射至排布有通孔的镜片区域范围时，杂光被吸收，可有效削减镜片周边部对杂光的反射现象，提升成像品质，并且通孔不会影响镜片的组装精度，也不会降低镜片的外观良率或增加成本。
 附图说明
图1是本发明实施例提供的镜片的整体结构示意图；
图2是本发明实施例提供的镜片的另一个视角的结构示意图；
图3是本发明实施例提供的镜头组件的整体结构示意图。
 本发明的实施方式
下面结合附图和实施方式对本发明作进一步说明。
如图1和图2所示，是本发明实施例提供的一种镜片1，镜片1包括用于成像的光学部11和环绕光学部11的周边部12，周边部12上设有沿镜片1的光轴方向贯穿周边部12的通孔30。
具体的，通孔30分布在不同直径的多个圆周上，多个圆周的圆心位于光轴上，即周边部12上的多个圆周为同心圆，远离光轴越远的圆周上的通孔30的数量越多。当然，每个圆周上的通孔30的具体数量可根据实际需求设置，本实施例对每个圆周上的通孔30的具体数量不做限制。
通过在镜片1周边部上设置沿镜片1的光轴方向贯穿周边部12的通孔30，排布在周边部12上的通孔30呈蜂窝状。当光线照射至排布有通孔30的镜片1区域范围时，杂光被吸收，可有效削减周边部12对杂光的反射现象，提升成像品质，并且通孔30不会影响镜片1的组装精度，也不会降低镜片1的外观良率或增加成本。
可选的，同一个圆周上的通孔30等间隔设置。在其他实施例中，同一个圆周上通孔30之间的间隔也可以不相等。另外，最靠近光学部11的圆周上的通孔30与光学部11的外缘间隔设置，最远离光学部11的圆周上的通孔30与镜片1的外缘间隔设置，避免影响镜片1的外观，使得镜片1不美观。优选的，通孔30的直径为0.04mm。
本发明实施例还提供一种镜头组件100，如图3所示，该镜头组件100包括具有容置空间6且开设通光孔5的镜筒2和设置于容置空间6内的上述技术方案中的镜片1（本实施例以最靠近物侧的镜片1为例进行说明）。镜片1的光学部11与通光孔5对应，当光线由通光孔5进入而照射至排布有通孔30的镜片1区域范围时，可有效削减周边部12对杂光的反射现象，提升成像品质。
以上所述的仅是本发明的实施方式，在此应当指出，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，还可以做出改进，但这些均属于本发明的保护范围。

Claims (6)

  1. 一种镜片，包括用于成像的光学部和环绕所述光学部的周边部，其特征在于，所述周边部上设有沿所述镜片的光轴方向贯穿所述周边部的通孔，所述通孔分布在不同直径的多个圆周上，多个所述圆周的圆心位于所述光轴上，远离所述光轴越远的所述圆周上的所述通孔的数量越多。
  2. 根据权利要求1所述的镜片，其特征在于，所述通孔的直径为0.04mm。
  3. 根据权利要求1所述的镜片，其特征在于，同一个所述圆周上的所述通孔等间隔设置。
  4. 根据权利要求1所述的镜片，其特征在于，最靠近所述光学部的所述圆周上的所述通孔与所述光学部的外缘间隔设置。
  5. 根据权利要求1所述的镜片，其特征在于，最远离所述光学部的所述圆周上的所述通孔与所述镜片的外缘间隔设置。
  6. 一种镜头组件，包括具有容置空间且开设通光孔的镜筒和设置于所述容置空间内的镜片，其特征在于，所述镜片为如权利要求1-5中任意一项所述的镜片。
PCT/CN2019/101019 2019-08-15 2019-08-16 一种镜片及镜头组件 WO2021026941A1 (zh)

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CN107357019A (zh) * 2017-07-07 2017-11-17 瑞声科技(新加坡)有限公司 镜片及其加工方法、镜头组件
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US11460693B2 (en) 2022-10-04
JP7005703B2 (ja) 2022-02-10
CN110618477A (zh) 2019-12-27
US20210048666A1 (en) 2021-02-18
CN110618477B (zh) 2021-06-15
JP2021033269A (ja) 2021-03-01

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