WO2020048016A1 - 一种自由曲面光学透镜 - Google Patents

一种自由曲面光学透镜 Download PDF

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Publication number
WO2020048016A1
WO2020048016A1 PCT/CN2018/116873 CN2018116873W WO2020048016A1 WO 2020048016 A1 WO2020048016 A1 WO 2020048016A1 CN 2018116873 W CN2018116873 W CN 2018116873W WO 2020048016 A1 WO2020048016 A1 WO 2020048016A1
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Prior art keywords
layer
fixedly connected
lens
light
optical lens
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PCT/CN2018/116873
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English (en)
French (fr)
Inventor
赵彬强
韩小龙
朱跃
徐文
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苏州马谷光学有限公司
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Publication of WO2020048016A1 publication Critical patent/WO2020048016A1/zh

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    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape

Definitions

  • the invention relates to a lens, in particular to a free-form optical lens, and belongs to the field of optical technology.
  • LEDs have become the most common light source today, because LEDs have the advantages of small size, fast response, energy saving and environmental protection, etc., and are widely used in road lighting, automotive headlights and backlight display. These applications require LEDs to have high uniform color. Sex.
  • LED is a surface light source
  • the light output angle is small, making the color uniformity is poor, the irradiated light is more dazzling, and it is more likely to cause light pollution. Therefore, the LED light source cannot be maximized. Therefore, designing a free-form optical lens is very important. necessary.
  • the purpose of the invention is to provide a free-form optical lens in order to overcome the shortcomings of the prior art.
  • the design is novel, the structure is simple, and it has a good light transmission effect. At the same time, it can effectively increase the irradiation area of the light source. Secondly, it has certain anti-dizziness. Effect, it is not easy to cause light pollution, and it is more practical and suitable for being widely promoted and used.
  • a free-form optical lens comprising a lens and a protective cover
  • a protective cover is fixedly connected to the periphery of the lens
  • a base layer is fixed inside the lens
  • the top end of the base layer is fixed
  • a light-transmitting layer is connected
  • a blue-filtering layer is fixedly connected to the top of the light-transmitting layer.
  • a refractive layer is fixedly connected to the top of the blue-filtering layer.
  • a concave surface is fixed to the top of the refractive layer.
  • the stun layer has a transparent protrusion fixedly connected to the bottom end of the anti-stun layer.
  • a receiving chamber is fixedly arranged inside the protective cover, a reflective layer is fixedly connected to the inner surface of the non-slip cover, and a through groove is fixed at the top of the non-slip cover.
  • the free-form optical lens of the present invention has a fixing groove fixed at the inner bottom end of the protective cover, a rubber layer is fixedly connected inside the fixing groove, and the bottom of the transparent protrusion is sticky connected There are acrylic release films.
  • the present invention provides a free-form optical lens, wherein the lens is fixedly connected to a non-slip cover through a fixing groove.
  • the base layer is a base layer made of plexiglass
  • the light-transmitting layer is a light-transmitting layer made of acrylic
  • the refractive layer is made of quartz glass Refraction layer.
  • the present invention has the following advantages over the prior art:
  • the light-transmitting layer has a strong light-transmitting property, which can enhance the light-transmitting property of the lens, so as to improve the external irradiation effect of the light source. It is more practical, and the blue-light-filtering layer can effectively improve the light-transmittance of the lens. At the same time, it can shield the blue light emitted from the light source, prevent people from harming people's eyes when viewing the light source, and greatly improve the practicality of the lens.
  • the refractive layer made of quartz glass makes the refractive trajectory of the light inside the lens more uniform, which is less prone to intricate phenomena and avoids affecting the use of the lens.
  • the concave surface is fixed on the top of the refractive layer so that the light is inside the lens. It has good diffusivity, which can increase the irradiation area of the light source to the outside.
  • the lens can be well protected by the acrylic release film, so that the surface of the lens is not easy to be damaged, and the service life of the lens is greatly improved.
  • the light source can reflect well through the reflective layer, thereby improving the light source. Utilization, to avoid wasting the light source.
  • the free-form curved optical lens of the present invention has a novel design, a simple structure, and a good light transmission effect. At the same time, it can effectively increase the irradiation area of the light source. Second, it has a certain anti-dazzle effect and is not easy to cause light pollution. It is more practical. , Suitable for being widely promoted and used.
  • FIG. 1 is a schematic diagram of the overall structure of a free-form optical lens according to the present invention.
  • FIG. 2 is a schematic diagram of a lens internal structure of a free-form optical lens according to the present invention.
  • lens 1 protective cover 2
  • base layer 3 light transmitting layer 4
  • blue light filtering layer 5 refractive layer 6
  • concave surface 7 anti-dazzling layer 8
  • transparent protrusion 9 acrylic release film 10
  • the rubber layer 12 the storage chamber 13, the reflective layer 14, and the through groove 15.
  • a free-form optical lens according to the present invention shown in FIGS. 1-2 includes a lens 1 and a protective cover 2.
  • the protective cover 2 is fixedly connected to the periphery of the lens 1, and a base layer is fixed inside the lens 1.
  • a light-transmitting layer 4 is fixedly connected to the top of the base layer 3
  • a blue-filtering layer 5 is fixedly connected to the top of the light-transmitting layer 4
  • a refractive layer 6 is fixedly connected to the top of the blue-filter layer 5, and the top of the refractive layer 6
  • a concave surface 7 is fixedly provided, a bottom end of the base layer 3 is fixedly connected with an anti-dazzle layer 8, and a bottom end of the anti-dazzle layer 8 is fixedly connected with a transparent protrusion 9.
  • the fixing groove 11 is convenient for the operator to fix the lens 1 inside the protective cover 2
  • the combination of the through groove 15 and the accommodation chamber 13 is convenient for the operator to fix the light source inside the protective cover 2, so that the lens 1 is normal.
  • the lens 1 is provided with a base layer 3 made of plexiglass inside, which has good high transparency, so that light can pass through the lens 1 to illuminate the outside, and has strong light transmission performance through the light transmission layer 4 Therefore, the light transmittance of the lens 1 can be enhanced, so as to improve the external irradiation effect of the light source, which is more practical, and the blue light filter layer 5 can effectively improve the light transmittance of the lens 1, and at the same time can shield the blue light emitted from the light source.
  • the refractive layer 6 made of quartz glass makes the refractive trajectory of the light inside the lens 1 more uniform and difficult to appear. The intricate phenomenon avoids affecting people's use of the lens 1.
  • the concave surface 7 is fixed on the top of the refractive layer 6, so that the light rays pass through the lens 1.
  • the interior has good diffusivity, which can increase the area of the light source to the outside.
  • the anti-dazzle layer 7 can make the light softer when penetrating through the lens 1 to prevent the light from being more dazzling, avoid light pollution caused by the light source, and pass through the transparent protrusions.
  • the lens 1 can be well protected by the acrylic release film 10, so that the surface of the lens 1 is not easy to be damaged, and greatly improved.
  • the service life of the lens 1 is improved, wherein the light source can reflect well through the light-reflecting layer 14, thereby improving the utilization rate of the light source and avoiding waste of the light source.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Eyeglasses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

一种自由曲面光学透镜，包括透镜（1）和防护罩（2），该透镜（1）外围固定连接有防护罩（2）。该透镜（1）内部固定设有基层（3），该基层（3）顶端固定连接有透光层（4），该透光层（4）顶端固定连接有滤蓝光层（5），该滤蓝光层（5）顶端固定连接有折射层（6），该折射层（6）顶部固定设有凹面（7），该基层（3）底端固定连接有防眩晕层（8），该防眩晕层（8）底端固定连接有透明凸起（9）。本发明具有良好的透光效果，同时能够有效的增加光源的照射面积，还具有一定的防眩晕效果，不易造成光污染现象。

Description

一种自由曲面光学透镜 技术领域
本发明涉及一种透镜，特指一种自由曲面光学透镜，属于光学技术领域。
背景技术
LED已经成为当今最普遍的光源，因为LED具有体积小、响应快、节能环保等优点，被广泛应用在道路照明、汽车大灯和背光显示等领域，这些应用都要求LED具有较高的颜色均匀性。
但由于LED是面光源，出光角度小，使得其颜色均匀性较差，照射的光线较为刺眼，较为容易造成光污染，从而LED光源不能得到最大化的应用，因此设计一种自由曲面光学透镜很有必要。
发明内容
本发明目的是为了克服现有技术的不足而提供一种自由曲面光学透镜，设计新颖，结构简单，具有良好的透光效果，同时能够有效的增加光源的照射面积，其次，具有一定的防眩晕效果，不易造成光污染现象，较为实用，适合被广泛推广和使用。
为达到上述目的，本发明采用的技术方案是：一种自由曲面光学透镜，包括透镜和防护罩，所述透镜外围固定连接有防护罩，所述透镜内部固定设有基层，所述基层顶端固定连接有透光层，所述透光层顶端固定连接有滤蓝光层，所述滤蓝光层顶端固定连接有折射层，所述折射层顶部固定设有凹面，所述基层底端固定连接有防眩晕层，所述防眩晕层底端固定连接有透明凸起。
作为本技术方案的进一步优化，本发明一种自由曲面光学透镜， 所述防护罩内部固定设有收容室，所述防滑罩内表面固定连接有反光层，所述防滑罩顶部固定设有通槽。
作为本技术方案的进一步优化，本发明一种自由曲面光学透镜，所述防护罩内底端固定设有固定槽，所述固定槽内部固定连接有橡胶层，所述透明凸起底部沾粘连接有亚力克离型膜。
作为本技术方案的进一步优化，本发明一种自由曲面光学透镜，所述透镜通过固定槽与防滑罩固定连接。
作为本技术方案的进一步优化，本发明一种自由曲面光学透镜，所述基层为有机玻璃制作的基层，所述透光层亚力克材质制作的透光层，所述折射层为石英玻璃制作的折射层。
由于上述技术方案的运用，本发明与现有技术相比具有下列优点：
1.通过透光层具有较强的透光性能，从而可以增强透镜的透光性，以便于提升光源对外部的照射效果，较为实用，且通过滤蓝光层能够有效的提升透镜的透光率，同时可以遮蔽光源散发出来的蓝光，防止人们在进行观看光源时，避免对人们眼睛造成伤害，大大的提升了透镜的实用性。
2.通过石英玻璃制作的折射层，使光线在透镜内部的折射轨道较为均匀，不易出现错综复杂的现象，避免影响到人们对透镜的使用，其中折射层顶部固定设有凹面，使光线在透镜内部具有良好的扩散性，从而可以提升光源对外部的照射面积。
3.通过亚力克离型膜可以对透镜进行良好的保护，使透镜表面不易出现破坏，大大的提升了透镜的使用寿命，其中，通过反光层能 够对光源进行良好的反射，从而可以提升光源的利用率，避免光源遭到浪费。
本发明方案的一种自由曲面光学透镜，设计新颖，结构简单，具有良好的透光效果，同时能够有效的增加光源的照射面积，其次，具有一定的防眩晕效果，不易造成光污染现象，较为实用，适合被广泛推广和使用。
附图说明
下面结合附图对本发明技术方案作进一步说明：
附图1为本发明一种自由曲面光学透镜的整体结构示意图。
附图2为本发明一种自由曲面光学透镜的透镜内部结构示意图。
其中：透镜1、防护罩2、基层3、透光层4、滤蓝光层5、折射层6、凹面7、防眩晕层8、透明凸起9、亚力克离型膜10、固定槽11、橡胶层12、收容室13、反光层14、通槽15。
具体实施方式
下面结合附图及具体实施例对本发明作进一步的详细说明。
如附图1-2所示的本发明所述的一种自由曲面光学透镜，包括透镜1和防护罩2，所述透镜1外围固定连接有防护罩2，所述透镜1内部固定设有基层3，所述基层3顶端固定连接有透光层4，所述透光层4顶端固定连接有滤蓝光层5，所述滤蓝光层5顶端固定连接有折射层6，所述折射层6顶部固定设有凹面7，所述基层3底端固定连接有防眩晕层8，所述防眩晕层8底端固定连接有透明凸起9。
工作时，通过固定槽11便于操作人员将透镜1固定在防护罩2内部，其中通过通槽15和收容室13的结合，便于操作人员将光源固 定在防护罩2内部，从而便于透镜1进行正常运作，其中，透镜1内部设有有机玻璃制作的基层3，具有良好的高透明性，使光线可穿过透镜1，从而可对外部进行照明，通过透光层4具有较强的透光性能，从而可以增强透镜1的透光性，以便于提升光源对外部的照射效果，较为实用，且通过滤蓝光层5能够有效的提升透镜1的透光率，同时可以遮蔽光源散发出来的蓝光，防止人们在进行观看光源时，避免对人们眼睛造成伤害，大大的提升了透镜1的实用性，其次，通过石英玻璃制作的折射层6，使光线在透镜1内部的折射轨道较为均匀，不易出现错综复杂的现象，避免影响到人们对透镜1的使用，其中折射层6顶部固定设有凹面7，使光线在透镜1内部具有良好的扩散性，从而可以提升光源对外部的照射面积，通过防眩晕层7可以光线在穿透透过透镜1时较为柔和，防止光线较为刺眼，避免使光源造成光污染，通过透明凸起9可以提升了光线的折射效果，从而可以进一步提升光源的照射面积，较为实用，其次，通过亚力克离型膜10可以对透镜1进行良好的保护，使透镜1表面不易出现破坏，大大的提升了透镜1的使用寿命，其中，通过反光层14能够对光源进行良好的反射，从而可以提升光源的利用率，避免光源遭到浪费。
以上仅是本发明的具体应用范例，对本发明的保护范围不构成任何限制。凡采用等同变换或者等效替换而形成的技术方案，均落在本发明权利保护范围之内。

Claims (5)

  1. 一种自由曲面光学透镜，包括透镜(1)和防护罩(2)，所述透镜(1)外围固定连接有防护罩(2)，其特征在于：所述透镜(1)内部固定设有基层(3)，所述基层(3)顶端固定连接有透光层(4)，所述透光层(4)顶端固定连接有滤蓝光层(5)，所述滤蓝光层(5)顶端固定连接有折射层(6)，所述折射层(6)顶部固定设有凹面(7)，所述基层(3)底端固定连接有防眩晕层(8)，所述防眩晕层(8)底端固定连接有透明凸起(9)。
  2. 根据权利要求1所述的一种自由曲面光学透镜，其特征在于：所述防护罩(2)内部固定设有收容室(13)，所述防滑罩(2)内表面固定连接有反光层(14)，所述防滑罩(2)顶部固定设有通槽(15)。
  3. 根据权利要求1所述的一种自由曲面光学透镜，其特征在于：所述防护罩(2)内底端固定设有固定槽(11)，所述固定槽(11)内部固定连接有橡胶层(12)，所述透明凸起(9)底部沾粘连接有亚力克离型膜(10)。
  4. 根据权利要求1所述的一种自由曲面光学透镜，其特征在于：所述透镜(1)通过固定槽(11)与防滑罩(2)固定连接。
  5. 根据权利要求1所述的一种自由曲面光学透镜，其特征在于：所述基层(3)为有机玻璃制作的基层，所述透光层(4)亚力克材质制作的透光层，所述折射层(6)为石英玻璃制作的折射层。
PCT/CN2018/116873 2018-09-07 2018-11-22 一种自由曲面光学透镜 WO2020048016A1 (zh)

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JP2018120025A (ja) * 2017-01-23 2018-08-02 セイコーエプソン株式会社 照明装置及びプロジェクター
CN208832383U (zh) * 2018-09-07 2019-05-07 苏州马谷光学有限公司 一种自由曲面光学透镜

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Publication number Priority date Publication date Assignee Title
CN101504123A (zh) * 2009-03-13 2009-08-12 华南理工大学 用于led室内灯具的透镜及包含该透镜的格栅灯
CN105425414A (zh) * 2015-12-31 2016-03-23 奥特路（漳州）光学科技有限公司 一种过滤蓝光镜片及其制备方法
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