WO2017041209A1 - Multi-channel lens structure - Google Patents
Multi-channel lens structure Download PDFInfo
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- WO2017041209A1 WO2017041209A1 PCT/CN2015/089056 CN2015089056W WO2017041209A1 WO 2017041209 A1 WO2017041209 A1 WO 2017041209A1 CN 2015089056 W CN2015089056 W CN 2015089056W WO 2017041209 A1 WO2017041209 A1 WO 2017041209A1
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- jumper
- lens structure
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- reflector
- optical fiber
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
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- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
A multi-channel lens structure, comprising: a circuit board (1), and a plurality of laser chips (2) and a plurality of lens assemblies (3) disposed on the circuit board (1), the lens assemblies (3) corresponding one-to-one to the laser chips (2), the lens assembly (3) comprising a lens array (31) provided to cover the laser chip (2), a jumper (32) provided to cover the lens array (31), and a reflector (33) disposed on the jumper (32) and located directly above the laser chip (2); the jumper (32) is provided with an optical fiber insertion slot (321) for accommodating optical fiber (4), the optical fiber insertion slot (321) being located on one side of the reflector (33), and the inner port of the optical fiber insertion slot (321) directly facing the reflection direction of the light emitted by the laser chips (2) and reflected by the reflector (33). By means of packaging, sequentially from the bottom to the top, the lens array (31), the jumper (32), and the reflector (33) on the upper side of the laser chip (2), the packaging of the channel lens structure is simple and convenient, and the optical tolerance thereof is increased.
Description
说明书 发明名称：多通道透镜结构 Manual Title: Multi-channel lens structure
技术领域 Technical field
[0001] 本发明涉及光学器件的技术领域， 尤其涉及一种多通道透镜结构。 [0001] The present invention relates to the technical field of optical devices, and more particularly to a multi-channel lens structure.
背景技术 Background technique
[0002] 由于数据中心对数据存储的需求激增， 多通道传输的解决方案的重要性相应提 高， 一般地， 多通道传输的解决方案是利用 COB (Chip On Board, 即板上芯片 [0002] Due to the surge in demand for data storage in data centers, the importance of multi-channel transmission solutions has increased accordingly. In general, multi-channel transmission solutions utilize COB (Chip On Board)
) 平台可将芯片及透镜等直接自动封装于电路板上， 这样利于实现生产的自动 化， 但是， 多通道透镜直接封装于电路板上吋， 无法对每个通道都进行对光动 作， 这样， 无法满足透镜的容差设计需求， 且无法进行背光监测。 因此， 针对 现有技术所存在的缺陷， 如何提出一种易封装、 光学容差大且易于实行背光监 控的多通道透镜结构， 是业内亟待解决的技术问题。 The platform can automatically package the chip and lens directly on the circuit board, which facilitates the automation of production. However, when the multi-channel lens is directly packaged on the circuit board, it is impossible to perform light action on each channel. Meets the tolerance design requirements of the lens and does not allow for backlight monitoring. Therefore, in view of the defects existing in the prior art, how to propose a multi-channel lens structure that is easy to package, has large optical tolerance, and is easy to implement backlight monitoring is a technical problem to be solved in the industry.
技术问题 technical problem
[0003] 本发明的目的在于提供一种多通道透镜结构， 旨在解决现有技术中， 现有的多 通道透镜结构无法对每个通道都进行对光动作而无法满足透镜的容差设计需求 的问题。 [0003] An object of the present invention is to provide a multi-channel lens structure, which aims to solve the problem that the prior art multi-channel lens structure cannot perform light action on each channel and cannot meet the tolerance design requirement of the lens. The problem.
问题的解决方案 Problem solution
技术解决方案 Technical solution
[0004] 本发明实施例提供了一种多通道透镜结构， 该多通道透镜结构包括电路板， 设 置于所述电路板上的多个激光芯片和多个透镜组件， 所述透镜组件与所述激光 芯片一一对应， 所述透镜组件包括罩设于所述激光芯片上的透镜阵列， 罩设于 所述透镜阵列上的跨接器， 和设置于所述跨接器上且位于所述激光芯片正上方 的反射件； 所述跨接器上具有容置光纤用的光纤插槽， 所述光纤插槽位于所述 反射件一侧， 且所述光纤插槽的内端口正对于所述激光芯片发射光线经所述反 射件反射的反射方向。 Embodiments of the present invention provide a multi-channel lens structure including a circuit board, a plurality of laser chips and a plurality of lens assemblies disposed on the circuit board, the lens assembly and the The lens assembly includes a lens array that is disposed on the laser chip, a jumper that is disposed on the lens array, and is disposed on the jumper and located at the laser a reflector directly above the chip; the jumper has a fiber slot for accommodating the fiber, the fiber slot is located on a side of the reflector, and an inner port of the fiber slot is opposite to the laser The direction in which the chip emits light reflected by the reflector.
[0005] 进一步地， 所述多通道透镜结构还包括用于进行背光侦测的背光侦测芯片， 所 述背光侦测芯片设置于所述反射件的背向所述光纤插槽的一侧。
[0006] 进一步地， 所述透镜组件还包括设置于所述跨接器上的用于压置所述光纤的光 纤压板， 所述光纤压板位于所述光纤插槽上侧。 [0005] Further, the multi-channel lens structure further includes a backlight detecting chip for performing backlight detection, and the backlight detecting chip is disposed on a side of the reflective member facing away from the optical fiber slot. [0006] Further, the lens assembly further includes a fiber press plate disposed on the jumper for pressing the optical fiber, and the fiber press plate is located on an upper side of the fiber slot.
[0007] 进一步地， 所述跨接器的顶部幵设有第一容槽， 所述反射件设置于所述第一容 槽内。 [0007] Further, the top of the jumper is provided with a first receiving groove, and the reflecting member is disposed in the first receiving groove.
[0008] 进一步地， 所述第一容槽内设置有安装台， 所述安装台上具有连通所述光纤插 槽的缺口； 所述反射件设置于所述安装台上， 并透过所述缺口与所述光纤插槽 相对。 [0008] Further, a mounting platform is disposed in the first receiving slot, and the mounting platform has a notch communicating with the optical fiber slot; the reflective member is disposed on the mounting platform, and transmits the The gap is opposite the fiber slot.
[0009] 进一步地， 所述安装台具有朝向所述光纤插槽一侧倾斜的倾斜面， 所述反射件 平行贴靠于所述倾斜面。 [0009] Further, the mounting platform has an inclined surface inclined toward a side of the optical fiber slot, and the reflective member abuts against the inclined surface in parallel.
[0010] 进一步地， 所述跨接器的底部幵设有第二容槽， 所述激光芯片位于所述第二容 槽内。 [0010] Further, the bottom of the jumper is provided with a second cavity, and the laser chip is located in the second cavity.
[0011] 优选地， 所述反射件为反射片。 [0011] Preferably, the reflective member is a reflective sheet.
[0012] 优选地， 所述反射件为部分反射膜。 [0012] Preferably, the reflective member is a partially reflective film.
发明的有益效果 Advantageous effects of the invention
有益效果 Beneficial effect
[0013] 基于上述技术方案， 本发明实施例通过在激光芯片的上侧自下而上顺序封装透 镜阵列、 跨接器以及反射件， 如此， 使得封装过程更加方便简单， 并且， 在封 装吋， 从透镜阵列正上方能够清楚看到激光芯片， 这样， 可直接将透镜阵列与 激光芯片进行对正操作， 从而提高了封装精度， 并实现了光学高容差。 [0013] Based on the above technical solution, the embodiment of the present invention sequentially encapsulates the lens array, the jumper, and the reflective member from the bottom to the top of the laser chip, thereby making the packaging process more convenient and simple, and, in the package, The laser chip can be clearly seen directly from the lens array, so that the lens array and the laser chip can be directly aligned, thereby improving the package precision and achieving high optical tolerance.
对附图的简要说明 Brief description of the drawing
附图说明 DRAWINGS
[0014] 图 1为本发明实施例提出的多通道透镜结构装配光纤的立体示意图； 1 is a perspective view of a multi-channel lens structure assembly optical fiber according to an embodiment of the present invention;
[0015] 图 2为本发明实施例提出的多通道透镜结构装配光纤的爆炸示意图； 2 is a schematic exploded view of a multi-channel lens structure assembly optical fiber according to an embodiment of the present invention;
[0016] 图 3为本发明实施例提出的多通道透镜结构装配光纤的剖面示意图； 3 is a cross-sectional view showing a multi-channel lens structure assembly optical fiber according to an embodiment of the present invention;
[0017] 图 4为本发明实施例中的跨接器的立体示意图。 4 is a perspective view of a jumper according to an embodiment of the present invention.
本发明的实施方式
[0018] 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。 Embodiments of the invention The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
[0019] 以下结合具体实施例对本发明的实现进行详细的描述。 [0019] The implementation of the present invention will be described in detail below with reference to specific embodiments.
[0020] 如图 1至图 4所示， 本发明实施例提出了一种易封装、 光学容差大且易于实行背 光监控的多通道透镜结构， 该多通道透镜结构可包括电路板 1、 多个激光芯片 2 以及多个透镜组件 3， 多个激光芯片 2和多个透镜组件 3封装在电路板 1上， 且激 光芯片 2和透镜组件 3—一对应， 本实施例中， 该多通道透镜结构以两个激光芯 片 2和两个透镜组件 3为例进行详述。 具体地， 透镜组件 3可包括透镜阵列 31、 跨 接器 32和反射件 33， 其中， 透镜阵列 31、 跨接器 32和反射件 33在电路板 1上自下 而上依序封装设置， 此处， 透镜阵列 31罩设在激光芯片 2的上侧， 跨接器 32罩设 在透镜阵列 31的上侧， 反射件 33设置在跨接器 32上， 且该反射件 33位于激光芯 片 2的正上方； 另外， 跨接器 32上具有光纤插槽 321， 该光纤插槽 321用于容置插 入其内的光纤 4， 此处， 光纤插槽 321位于反射件 33的一侧， 且该光纤插槽 321的 内端口正对于激光芯片 2的反射方向， 该反射方向指的是， 激光芯片 2发出的光 线经反射件 33反射的出射方向。 如此， 激光芯片 2发出光线， 该光线穿过位于该 激光芯片 2上方的透镜阵列 31， 并聚焦后照射至反射件 33的正面上， 该光线经过 反射件 33反射后， 射向正对该反射方向的光纤插槽 321， 位于该光纤插槽 321中 的光纤 4与该光线耦合。 [0020] As shown in FIG. 1 to FIG. 4, an embodiment of the present invention provides a multi-channel lens structure that is easy to package, has large optical tolerance, and is easy to implement backlight monitoring. The multi-channel lens structure may include a circuit board 1. a laser chip 2 and a plurality of lens assemblies 3, a plurality of laser chips 2 and a plurality of lens assemblies 3 are packaged on the circuit board 1, and the laser chip 2 and the lens assembly 3 are in one-to-one correspondence. In this embodiment, the multi-channel lens The structure is described in detail by taking two laser chips 2 and two lens assemblies 3 as an example. Specifically, the lens assembly 3 may include a lens array 31, a jumper 32, and a reflector 33, wherein the lens array 31, the jumper 32, and the reflector 33 are sequentially packaged on the circuit board 1 from bottom to top. The lens array 31 is disposed on the upper side of the laser chip 2, the jumper 32 is disposed on the upper side of the lens array 31, the reflective member 33 is disposed on the jumper 32, and the reflective member 33 is located on the laser chip 2. In addition, the jumper 32 has a fiber slot 321 for receiving the optical fiber 4 inserted therein, where the fiber slot 321 is located at one side of the reflector 33, and the fiber The inner port of the slot 321 is directed to the direction of reflection of the laser chip 2, and the direction of reflection refers to the direction in which the light emitted by the laser chip 2 is reflected by the reflecting member 33. In this way, the laser chip 2 emits light, which passes through the lens array 31 located above the laser chip 2, and is focused and irradiated onto the front surface of the reflector 33. The light is reflected by the reflector 33 and is directed toward the reflection. The fiber slot 321 in the direction, the fiber 4 located in the fiber slot 321 is coupled to the light.
[0021] 本发明实施例提出的多通道透镜结构， 具有如下特点： [0021] The multi-channel lens structure proposed by the embodiment of the invention has the following features:
[0022] 本发明实施例提出的多通道透镜结构， 通过在电路板 1上设置与多个激光芯片 2 一一对应的透镜组件 3， 也即是通过在激光芯片 2的上侧自下而上顺序封装透镜 阵列 31、 跨接器 32及反射件 33， 该封装过程简单、 方便； 在封装过程中， 可从 透镜阵列 31的正上方清楚看到其下方的激光芯片 2， 这样， 可直接将透镜阵列 31 与激光芯片 2进行对正操作， 如此， 提高了封装精度， 并且由光学结构相对单纯 可容易实现光学高容差设计， 即提高了光学容差。 [0022] The multi-channel lens structure proposed by the embodiment of the present invention, by providing the lens assembly 3 corresponding to the plurality of laser chips 2 one by one on the circuit board 1, that is, by the bottom side of the upper side of the laser chip 2 The package lens array 31, the jumper 32 and the reflector 33 are sequentially packaged, and the packaging process is simple and convenient; during the packaging process, the laser chip 2 under the lens array 31 can be clearly seen from directly above the lens array 31, so that the package can be directly The lens array 31 is aligned with the laser chip 2, thus improving the package accuracy, and the optical high tolerance design can be easily realized by the optical structure being relatively simple, that is, the optical tolerance is improved.
[0023] 在本发明的实施例中， 上述多通道透镜结构还可包括背光侦测芯片 34， 该背光 侦测芯片 34设置在上述跨接器 32上， 且该背光侦测芯片 34位于上述反射件 33的
背向上述光纤插槽 321的一侧， 即反射件 33背侧， 此处， 该背光侦测芯片 34用于 对激光芯片 2进行背光侦测。 稍微变更反射件 33的反射率， 将其改成部分透射和 部分反射， 即可通过透射部分的光聚焦进背光侦测芯片 34来达成背光侦功能， 这样不会影响上述电路板 1上打件及打线的空间。 如上所述， 通过在反射件 33的 背侧设置背光侦测芯片 34， 实现了激光芯片 2的背光监控。 In the embodiment of the present invention, the multi-channel lens structure may further include a backlight detecting chip 34. The backlight detecting chip 34 is disposed on the jumper 32, and the backlight detecting chip 34 is located at the reflection. Piece 33 The back side of the optical fiber slot 321 is opposite to the back side of the reflector 33. Here, the backlight detecting chip 34 is used for backlight detection of the laser chip 2. The reflectance of the reflector 33 is slightly changed, and it is changed into partial transmission and partial reflection, so that the light of the transmission portion can be focused into the backlight detection chip 34 to achieve the backlight detection function, so that the above-mentioned circuit board 1 is not affected. And the space for the line. As described above, by providing the backlight detecting chip 34 on the back side of the reflecting member 33, backlight monitoring of the laser chip 2 is realized.
[0024] 在本发明实施例中， 上述透镜组件 3还可包括光纤压板 35， 该光纤压板 35设置 在上述跨接器 32上， 且该光纤压板 35位于上述光纤插槽 321的上侧， 此处， 该光 纤压板 35用于压置上述光纤 4， 具体地， 当光纤 4插入并容置于光纤插槽 321内吋 ， 光纤压板 35置于光纤插槽 321上侧并将光纤 4压紧， 如此。 保证了光纤 4插置在 光纤插槽 321中的稳固性， 提高了光线耦合的精度。 当然， 根据实际情况和具体 需求， 在本发明的其他实施例中， 还可通过其他方式以提高上述光纤 4插置在上 述光纤插槽 321内的稳固性， 此处不作唯一限定。 In the embodiment of the present invention, the lens assembly 3 further includes a fiber pressing plate 35 disposed on the jumper 32, and the fiber pressing plate 35 is located on the upper side of the fiber slot 321 The fiber pressing plate 35 is used for pressing the optical fiber 4. Specifically, when the optical fiber 4 is inserted into and received in the optical fiber slot 321, the optical fiber pressing plate 35 is placed on the upper side of the optical fiber slot 321 and the optical fiber 4 is pressed. in this way. The stability of the optical fiber 4 inserted in the optical fiber slot 321 is ensured, and the precision of the light coupling is improved. Of course, in other embodiments of the present invention, the stability of the optical fiber 4 inserted in the optical fiber slot 321 may be improved by other means, which is not limited herein.
[0025] 进一步地， 在本发明的实施例中， 上述跨接器 32顶部幵设有第一容槽 322， 该 第一容槽 322的顶部连通该跨接器 32的外部， 此处， 上述反射件 33设置在该第一 容槽 322内。 如此， 通过在上述跨接器 32的顶部幵设第一容槽 322， 并将反射件 3 3设置在该第一容槽 322内， 提高了跨接器 32的空间利用率， 且使得该多通道透 镜结构的整体结构更加紧凑。 当然， 根据实际情况和具体需求， 在本发明的其 他实施例中， 还可以通过其他方式以提升该多通道透镜结构整体的紧凑性， 此 处不作唯一限定。 [0025] Further, in the embodiment of the present invention, the top of the jumper 32 is provided with a first receiving slot 322, and the top of the first receiving slot 322 communicates with the outside of the jumper 32, where The reflector 33 is disposed in the first pocket 322. Thus, by arranging the first pocket 322 at the top of the jumper 32 and the reflector 3 3 in the first pocket 322, the space utilization of the jumper 32 is improved, and the The overall structure of the channel lens structure is more compact. Of course, depending on the actual situation and specific needs, in other embodiments of the present invention, the compactness of the multi-channel lens structure as a whole may be improved by other means, which is not limited herein.
[0026] 进一步地， 在本发明的实施例中， 上述第一容槽 322内设置有安装台 323， 该安 装台 323上具有缺口 3230， 该缺口 3230位于安装台 323的中间位置， 且该缺口 323 0连通上述光纤插槽 321的内端； 同吋， 上述反射件 33设置在该安装台 323上， 且 该反射件 33透过缺口 3230与光纤插槽 321的内端相对， 值得注意的是， 经过反射 件 33反射的光线穿过缺口 3230并射入光纤插槽 321的内端口， 位于光纤插槽 321 内的上述光纤 4与该反射光线耦合。 如上所述， 通过在上述第一容槽 322内设置 安装台 323， 使得上述反射件 33能够稳定地固定在第一容槽 322内， 同吋， 通过 在安装台 323上幵设缺口 3230， 保证了经过反射件 33反射的光线能够射入上述光 纤插槽 321内并与上述光纤 4实现耦合。 当然， 根据实际情况和具体需求， 在本
发明的其他实施例中， 上述反射件 33还可通过其他方式安装在上述第一容槽 322 ， 此处不作唯一限定。 Further, in the embodiment of the present invention, the first receiving slot 322 is provided with a mounting base 323 having a notch 3230, and the notch 3230 is located at an intermediate position of the mounting base 323, and the notch 323 0 is connected to the inner end of the fiber slot 321; meanwhile, the reflector 33 is disposed on the mounting base 323, and the reflector 33 is opposite to the inner end of the fiber slot 321 through the notch 3230. The light reflected by the reflector 33 passes through the notch 3230 and enters the inner port of the fiber slot 321, and the optical fiber 4 located in the fiber slot 321 is coupled to the reflected light. As described above, by providing the mounting base 323 in the first receiving groove 322, the reflecting member 33 can be stably fixed in the first receiving groove 322, and at the same time, by providing the notch 3230 on the mounting base 323, it is ensured. The light reflected by the reflecting member 33 can be incident into the above-mentioned optical fiber slot 321 and coupled with the optical fiber 4 described above. Of course, according to the actual situation and specific needs, in this In other embodiments of the invention, the reflector 33 may be mounted on the first pocket 322 by other means, which is not limited herein.
[0027] 进一步地， 在本发明的实施例中， 上述安装台 323上具有倾斜面 3231， 该倾斜 面 3231朝向上述光纤插槽 321—侧倾斜， 上述反射件 33平行贴靠于该倾斜面 3231 上， 如此， 反射件 33也朝向上述光纤插槽 321—侧倾斜， 也即是， 反射件 33的正 面朝下。 这样， 上述激光芯片 2发射的光线向上射出， 穿过位于该激光芯片 2上 侧的透镜阵列 31聚焦后射向反射件 33的正面， 然后， 经过该反射件 33正面反射 的光线穿过上述缺口 3230并射入光纤插槽 321的内端口， 接着与位于光纤插槽 32 1内的光纤 4耦合； 同理， 光线亦可由光纤 4发出， 经由反射件 33反射至透镜阵列 31并聚焦至激光芯片 2， 其光学结构 （多通道透镜结构） 与芯片经单透镜聚焦的 模式接近， 在光学上易于作高容差设计。 如上所述， 通过在上述安装台 323上设 置倾斜面 3231， 使得贴靠于该倾斜面 3231上的反射件 33也朝向光纤插槽 321—侧 倾斜， 保证了激光芯片 2发出的光线能够准确地射向光纤 4并与其耦合。 [0027] Further, in the embodiment of the present invention, the mounting base 323 has an inclined surface 3231, and the inclined surface 3231 is inclined toward the optical fiber slot 321 - the reflection member 33 is in parallel with the inclined surface 3231. In this manner, the reflecting member 33 is also inclined toward the side of the optical fiber slot 321, that is, the front surface of the reflecting member 33 faces downward. Thus, the light emitted by the laser chip 2 is emitted upward, is focused by the lens array 31 located on the upper side of the laser chip 2, and is directed toward the front surface of the reflector 33, and then the light reflected by the front surface of the reflector 33 passes through the gap. 3230 is incident on the inner port of the fiber slot 321 and then coupled to the fiber 4 located in the fiber slot 32 1 . Similarly, light can also be emitted from the fiber 4, reflected by the reflector 33 to the lens array 31 and focused to the laser chip. 2. Its optical structure (multi-channel lens structure) is close to the mode in which the chip is focused by a single lens, which is optically easy to design with high tolerance. As described above, by providing the inclined surface 3231 on the mounting base 323, the reflecting member 33 abutting against the inclined surface 3231 is also inclined toward the side of the optical fiber slot 321 to ensure that the light emitted from the laser chip 2 can be accurately It is directed to and coupled to the optical fiber 4.
[0028] 优选地， 在本发明的实施例中， 上述跨接器 32的底部幵设有第二容槽 324， 该 第二容槽 324的底部连通该跨接器 32的外部， 此处， 上述激光芯片 2设置在上述 电路板 1上， 且该激光芯片 2位于该第二容槽内 324。 如此， 通过在上述跨接器 32 的底部幵设第二容槽 324， 并将激光芯片 2罩设在该第二容槽 324内， 提高了跨接 器 32的空间利用率， 且使得该多通道透镜结构的整体结构更加紧凑。 当然， 根 据实际情况和具体需求， 在本发明的其他实施例中， 还可以通过其他方式以提 升该多通道透镜结构整体的紧凑性， 此处不作唯一限定。 [0028] Preferably, in the embodiment of the present invention, the bottom of the jumper 32 is provided with a second receiving slot 324, and the bottom of the second receiving slot 324 communicates with the outside of the jumper 32, where The laser chip 2 is disposed on the circuit board 1 and the laser chip 2 is located in the second cavity 324. Thus, by arranging the second pocket 324 at the bottom of the jumper 32 and covering the laser chip 2 in the second pocket 324, the space utilization of the jumper 32 is improved, and the The overall structure of the channel lens structure is more compact. Of course, according to the actual situation and the specific requirements, in other embodiments of the present invention, the compactness of the multi-channel lens structure as a whole may be improved by other means, which is not limited herein.
[0029] 在本发明的实施例中， 上述反射件 33优选为反射片或者高反射膜， 高反射膜， 即 HR coating (High reflective coating) ， 此处， 该高反射膜为部分反射膜， 如此 ， 使得光线可以经过该高反射膜部分反射且部分透射。 如上所述， 由于市面上 的反射片或者高反射膜相对比较廉价， 通过将上述反射件 33优选为反射片或者 高反射膜， 有效地节约了成本。 当然， 根据实际情况和具体需求， 在本发明的 其他实施例中， 反射件 33还可选用其他的反射构件， 此处不作唯一限定。 [0029] In the embodiment of the present invention, the reflective member 33 is preferably a reflective sheet or a highly reflective film, that is, a high reflective coating, that is, the high reflective coating is a partially reflective film. , allowing light to be partially reflected and partially transmitted through the highly reflective film. As described above, since the reflective sheet or the highly reflective film on the market is relatively inexpensive, the above-mentioned reflecting member 33 is preferably a reflecting sheet or a highly reflecting film, thereby effectively saving cost. Of course, according to the actual situation and the specific requirements, in other embodiments of the present invention, the reflective member 33 may also be selected from other reflective members, which are not limited herein.
[0030] 基于上述技术方案， 通过将多通道透镜结构的多个透镜阵列 31设置在与激光芯 片 2垂直的同一轴向上， 以及同一零件上 （即透镜阵列 31位于与之一一对应的激
光芯片 2的正上方） ， 所形成的光学结构相对单纯而易于设计高容差的透镜， 从 而利于透镜阵列 31封装精度的控制， 同吋， 使用反射片或 HR coating, 不仅有效 地节约了成本， 还易于实行， 并且， 可通过在反射件 33的背向光纤插槽 321的一 侧 （即反射件 33的背侧） 设置背光侦测芯片 34， 即可可轻易实现背光监控功能 以上所述， 仅为本发明的具体实施方式， 但本发明的保护范围并不局限于此， 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内， 可轻易想到各种 等效的修改、 替换和改进等， 这些修改、 替换和改进都应涵盖在本发明的保护 范围之内。 因此， 本发明的保护范围应以权利要求的保护范围为准。
[0030] Based on the above technical solution, the plurality of lens arrays 31 of the multi-channel lens structure are disposed on the same axial direction perpendicular to the laser chip 2, and on the same part (ie, the lens array 31 is located in one-to-one correspondence) The optical structure formed directly above the optical chip 2 is relatively simple and easy to design a lens with high tolerance, thereby facilitating the control of the package precision of the lens array 31, and the use of the reflective sheet or the HR coating not only effectively saves the cost. It is also easy to implement, and the backlight monitoring function can be easily implemented by providing the backlight detecting chip 34 on the side of the reflecting member 33 facing away from the optical fiber slot 321 (ie, the back side of the reflecting member 33). The present invention is not limited to the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any equivalent modifications, substitutions, and equivalents can be easily conceived by those skilled in the art within the technical scope of the present disclosure. These modifications, substitutions and improvements are intended to be included within the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.
Claims
[权利要求 1] 多通道透镜结构， 包括电路板， 设置于所述电路板上的多个激光芯片 和多个透镜组件， 所述透镜组件与所述激光芯片一一对应， 其特征在 于， 所述透镜组件包括罩设于所述激光芯片上的透镜阵列， 罩设于所 述透镜阵列上的跨接器， 和设置于所述跨接器上且位于所述激光芯片 正上方的反射件； 所述跨接器上具有容置光纤用的光纤插槽， 所述光 纤插槽位于所述反射件一侧， 且所述光纤插槽的内端口正对于所述激 光芯片发射光线经所述反射件反射的反射方向。 [Claim 1] A multi-channel lens structure, comprising: a circuit board, a plurality of laser chips and a plurality of lens assemblies disposed on the circuit board, wherein the lens components are in one-to-one correspondence with the laser chip, wherein The lens assembly includes a lens array disposed on the laser chip, a jumper disposed on the lens array, and a reflective member disposed on the jumper and directly above the laser chip; The jumper has a fiber slot for accommodating the optical fiber, the fiber slot is located at one side of the reflector, and the inner port of the fiber slot is emitting light to the laser chip through the reflection The direction of reflection of the piece of reflection.
[权利要求 2] 如权利要求 1所述的多通道透镜结构， 其特征在于， 所述多通道透镜 结构还包括用于进行背光侦测的背光侦测芯片， 所述背光侦测芯片设 置于所述反射件的背向所述光纤插槽的一侧。 The multi-channel lens structure of claim 1 , wherein the multi-channel lens structure further comprises a backlight detecting chip for performing backlight detection, wherein the backlight detecting chip is disposed at the The side of the reflector that faces away from the fiber slot.
[权利要求 3] 如权利要求 1所述的多通道透镜结构， 其特征在于， 所述透镜组件还 包括设置于所述跨接器上的用于压置所述光纤的光纤压板， 所述光纤 压板位于所述光纤插槽上侧。 [Claim 3] The multi-channel lens structure according to claim 1, wherein the lens assembly further comprises a fiber pressing plate disposed on the jumper for pressing the optical fiber, the optical fiber The pressure plate is located on the upper side of the fiber slot.
[权利要求 4] 如权利要求 1所述的多通道透镜结构， 其特征在于， 所述跨接器的顶 部幵设有第一容槽， 所述反射件设置于所述第一容槽内。 [Claim 4] The multi-channel lens structure according to claim 1, wherein the top portion of the jumper is provided with a first receiving groove, and the reflecting member is disposed in the first receiving groove.
[权利要求 5] 如权利要求 4所述的多通道透镜结构， 其特征在于， 所述第一容槽内 设置有安装台， 所述安装台上具有连通所述光纤插槽的缺口； 所述反 射件设置于所述安装台上， 并透过所述缺口与所述光纤插槽相对。 The multi-channel lens structure according to claim 4, wherein the first housing is provided with a mounting base, and the mounting base has a notch communicating with the optical fiber slot; A reflector is disposed on the mounting table and opposite the fiber slot through the gap.
[权利要求 6] 如权利要求 5所述的多通道透镜结构， 其特征在于， 所述安装台具有 朝向所述光纤插槽一侧倾斜的倾斜面， 所述反射件平行贴靠于所述倾 斜面。 [Claim 6] The multi-channel lens structure according to claim 5, wherein the mounting table has an inclined surface that is inclined toward a side of the optical fiber slot, and the reflecting member abuts against the tilt in parallel surface.
[权利要求 7] 如权利要求 1至 6任一项所述的多通道透镜结构， 其特征在于， 所述跨 接器的底部幵设有第二容槽， 所述激光芯片位于所述第二容槽内。 The multi-channel lens structure according to any one of claims 1 to 6, wherein a bottom of the jumper is provided with a second cavity, and the laser chip is located at the second Inside the tank.
[权利要求 8] 如权利要求 1至 6任一项所述的多通道透镜结构， 其特征在于， 所述反 射件为反射片。 The multi-channel lens structure according to any one of claims 1 to 6, wherein the reflector is a reflection sheet.
[权利要求 9] 如权利要求 1至 6任一项所述的多通道透镜结构， 其特征在于， 所述反 射件为部分反射膜。
The multi-channel lens structure according to any one of claims 1 to 6, wherein the reflector is a partially reflective film.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/089056 WO2017041209A1 (en) | 2015-09-07 | 2015-09-07 | Multi-channel lens structure |
| CN201580042419.6A CN106796331A (en) | 2015-09-07 | 2015-09-07 | Multichannel lens arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2015/089056 WO2017041209A1 (en) | 2015-09-07 | 2015-09-07 | Multi-channel lens structure |
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