WO2009033350A1 - A far imaging module for a mobile phone - Google Patents

A far imaging module for a mobile phone Download PDF

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Publication number
WO2009033350A1
WO2009033350A1 PCT/CN2008/000397 CN2008000397W WO2009033350A1 WO 2009033350 A1 WO2009033350 A1 WO 2009033350A1 CN 2008000397 W CN2008000397 W CN 2008000397W WO 2009033350 A1 WO2009033350 A1 WO 2009033350A1
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WO
WIPO (PCT)
Prior art keywords
lens
mobile phone
light
lens group
camera module
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Application number
PCT/CN2008/000397
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French (fr)
Chinese (zh)
Inventor
Ping Xu
Original Assignee
Huizhou Sunrise Digital Technol0Gy Co., Ltd
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Application filed by Huizhou Sunrise Digital Technol0Gy Co., Ltd filed Critical Huizhou Sunrise Digital Technol0Gy Co., Ltd
Publication of WO2009033350A1 publication Critical patent/WO2009033350A1/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
    • G02B13/0065—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element having a beam-folding prism or mirror
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors

Definitions

  • the utility model relates to a camera device suitable for use in a mobile phone, in particular to a remote camera module for a mobile phone.
  • the technical problem to be solved by the present invention is to provide an imaging module for a mobile phone that can capture a distant view.
  • the utility model uses the following technical solutions:
  • a long-distance camera module for a mobile phone which is built in a mobile phone, and includes a lens holder, a lens mounted in the lens holder, and a sensor chip that senses the light taken by the lens and converts it into data information, and the sensor chip passes through the interface circuit and the mobile phone.
  • the internal control circuit is coupled, and the lens is a lens group composed of a lens, and the external scene light is reflected by a light steering component and then irradiated onto the photosensitive chip.
  • the lens group described above is mounted in front of the light steering member, and each lens of the lens group is mounted on an adjustment ring, and the adjustment ring is movably connected to the lens holder through the thread.
  • the lens group includes two convex lenses that are coaxially mounted in the adjustment ring.
  • the above lens group is mounted between the light redirecting member and the photosensitive chip.
  • a convex lens sheet is disposed in front of the light steering member.
  • the light guiding member is a mirror or a triangular mirror, and the reflecting surface of the mirror or the triangular prism is at an angle of 45 degrees with respect to the optical axis of the lens group.
  • the focal length of the lens group ranges from 25 mm to 160 mm.
  • the utility model has a simple structure, and a light-steering component is added to the optical system, and the light of the scene is added.
  • the line is reflected by the steering component in the camera module and then irradiated onto the photosensitive chip, so that the entire camera module has a small lateral dimension, and the vertical dimension can be specifically determined according to the length of the mobile phone and the need to fit the lens group with adjustable focal length.
  • the entire camera module uses a lens group with adjustable back focal length.
  • the focal length of the lens group ranges from 25nmi to 160mm. By adjusting the adjustment ring, it can take pictures from lm to infinity, increasing the practical range of the built-in camera of the mobile phone.
  • FIG. 1 is a schematic structural view of a first embodiment of the present invention
  • FIG. 2 is a schematic structural view of the second embodiment
  • FIG. 3 is a schematic structural view of the second embodiment after being installed in a mobile phone.
  • Embodiment 1 As shown in FIG. 1 , the solution is installed in a mobile phone as a built-in camera module for a mobile phone, and mainly includes a lens holder 1 , a front lens 1 , a prism 3 , and a lens group 2 which are sequentially mounted in the lens holder 1 . , adjustment ring 4, sensor chip 5 and circuit board.
  • the prism 3 is a light-steering component for reflecting the incident light and then imaging it on the photosensitive chip 5.
  • the reflecting surface of the triangular mirror 3 is at an angle of 45 degrees to the optical axis of the lens group.
  • the adjustment ring 4 is used to adjust the back focus of the lens group 2, so as to achieve clear imaging on the photosensitive chip 5 for different distance scenes.
  • the photosensitive chip 5 is used for converting the real image of the scene into data information and transmitted to the internal circuit of the mobile phone through the interface circuit and displayed through the display screen.
  • the control mode of the camera module and the control circuit are mature technologies. , will not repeat them here.
  • the lens group 2 is composed of a concave lens 21 and a convex lens 22 mounted on the exit surface of the prism 3, and when adjusted, generally adjusts the distance between the convex lens 22 and the concave lens 21, thereby achieving the purpose of adjusting the back focal length.
  • the light of the external scene first enters the prism 3 through the lenticular sheet 6, and the light is reflected and enters the lens group 2, and is focused by the lens group 2, and imaged on the photosensitive chip 5.
  • the focal length of the entire lens group 2 can be adjusted between 25 mm and 160 mm, so that a clear image of the scene on the photosensitive chip 5 can be realized from lm to infinity.
  • the group 2 enters and is then reflected by the mirror 3 to be irradiated onto the photosensitive chip 5.
  • the lens group 2 of the present embodiment is composed of two concentrically mounted convex lenses 23, the two convex lenses 23 are fixed in the adjusting ring 4, and the adjusting ring 4 is mounted in the lens mount 1 by threading movement, by rotating the adjusting ring 4, The distance between the lens group 2 and the mirror 3 can be adjusted to achieve a clear image on the photosensitive chip 5 from lm to infinity.
  • the light reflecting member used in the present embodiment is a mirror, and other components such as the photosensitive chip 5 are mounted in the same manner as in the first embodiment, and will not be described in detail herein.
  • the entire camera module is small in size and is suitable for installation in a thin, mobile phone with a certain length.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Studio Devices (AREA)
  • Telephone Set Structure (AREA)
  • Structure And Mechanism Of Cameras (AREA)

Abstract

A far imaging module used in a mobile phone is provided inside the mobile phone and includes: a lens base (l),a ens group (2), which comprises lens and mounted on the lens base (l),a light-sensitive chip (5),which responds to the light from the lens group (2) and transforms it into data information. The light-sensitive chip (5) is connected to a control circuit inside the mobile phone by a connecting circuit. The light from the exterior object passes through a light way changing element (3) and then irradiates onto the light-sensitive chip (5). The imaging module uses the lens group which can adjust the latter focus. The range of the focus is 25mm-160mm. The object in the distance from 1m to infinity can be imaged by adjusting an adjusting ring (4).

Description

一种手机用远距离摄像模组  Remote camera module for mobile phone
技术领域 Technical field
本实用新型涉及一种适合手机使用的摄像装置， 具体地说是一种手机 用远距离摄像模组。  The utility model relates to a camera device suitable for use in a mobile phone, in particular to a remote camera module for a mobile phone.
背景技术 Background technique
随着移动通信业务的普及， 手机已经成为不可替代的通讯设备。 除了 通讯之外， 手机的功能也逐渐得到扩展， 如增设摄像功能、 视频、 音频播 放功能等。 对于摄像功能而言， 大部分手机都是采取内置摄像头的形式实 现， 由于手机体积有限， 内置的摄像头难以配置较多的光学变焦系统， 光 学变焦有限， 所以拍摄远距离景物时， 难尽人意。  With the popularity of mobile communication services, mobile phones have become an irreplaceable communication device. In addition to communication, the functions of mobile phones have gradually expanded, such as the addition of camera functions, video, audio playback functions. For the camera function, most mobile phones are implemented in the form of a built-in camera. Due to the limited size of the mobile phone, the built-in camera is difficult to configure more optical zoom systems, and the optical zoom is limited, so it is difficult to photograph long-distance scenes.
实用新型内容 Utility model content
本实用新型要解决的技术问题是提供一种可拍摄远景的手机用摄像模 组。  The technical problem to be solved by the present invention is to provide an imaging module for a mobile phone that can capture a distant view.
为解决上述技术问题， 本实用新型釆用以下技术方案：  In order to solve the above technical problems, the utility model uses the following technical solutions:
一种手机用远距离摄 '像模组， 内置于手机中， 包括镜头座、 安装于镜 头座中的镜头以及感知镜头摄取的光线并转换为数据信息的感光芯片， 感 光芯片通过接口电路与手机内部控制电路联接， 所述镜头为透镜组成的镜 头组， 外部景物光线经一光线转向部件反射后照射于感光芯片上。  A long-distance camera module for a mobile phone, which is built in a mobile phone, and includes a lens holder, a lens mounted in the lens holder, and a sensor chip that senses the light taken by the lens and converts it into data information, and the sensor chip passes through the interface circuit and the mobile phone. The internal control circuit is coupled, and the lens is a lens group composed of a lens, and the external scene light is reflected by a light steering component and then irradiated onto the photosensitive chip.
作为对上述方案的一种改进， 上述的镜头组安装于光线转向部件前方， 镜头组各透镜均安装于一调节圈上， 调节圈通过螺紋与镜头座活动连接。 该镜头组包括两个同轴心安装于调节圈中的凸透镜。  As an improvement to the above solution, the lens group described above is mounted in front of the light steering member, and each lens of the lens group is mounted on an adjustment ring, and the adjustment ring is movably connected to the lens holder through the thread. The lens group includes two convex lenses that are coaxially mounted in the adjustment ring.
作为对上述方案的另一种改进，上述的镜头组安装于光线转向部件与感 光芯片之间。 同时， 在光线转向部件前方还设置有一凸透镜片。  As another modification to the above scheme, the above lens group is mounted between the light redirecting member and the photosensitive chip. At the same time, a convex lens sheet is disposed in front of the light steering member.
作为对上述方案的更进一步改进，上述的光线转向部件为反光镜或三棱 镜， 反光镜或三棱镜的反射面与镜头组光轴成 45度角。 所述镜头组焦距范 围为 25mm ~ 160mm。  As a further improvement of the above solution, the light guiding member is a mirror or a triangular mirror, and the reflecting surface of the mirror or the triangular prism is at an angle of 45 degrees with respect to the optical axis of the lens group. The focal length of the lens group ranges from 25 mm to 160 mm.
本实用新型结构简单， 在光学系统中增设一光线转向部件， 景物的光  The utility model has a simple structure, and a light-steering component is added to the optical system, and the light of the scene is added.
1 1
确认本 线在摄像模组中通过转向部件反射后照射于感光芯片上， 使整个摄像模组 横向尺寸较小， 而纵向尺寸可根据手机的长度以及需要具体确定， 以适合 安装可调节焦距的镜头组。 整个摄像模组釆用后焦距可调的镜头组， 镜头 组焦距范围为 25nmi ~ 160mm, 通过调节调节圈， 可拍摄 lm至无穷远处的 景物， 增加了手机内置摄像装置的实用范围。 Confirmation The line is reflected by the steering component in the camera module and then irradiated onto the photosensitive chip, so that the entire camera module has a small lateral dimension, and the vertical dimension can be specifically determined according to the length of the mobile phone and the need to fit the lens group with adjustable focal length. The entire camera module uses a lens group with adjustable back focal length. The focal length of the lens group ranges from 25nmi to 160mm. By adjusting the adjustment ring, it can take pictures from lm to infinity, increasing the practical range of the built-in camera of the mobile phone.
附图说明 DRAWINGS
附图 1为本实用新型实施例一结构示意图； 附图 2为本实施例二结构 示意图； 附图 3为实施例二安装于手机中后结构示意图。  1 is a schematic structural view of a first embodiment of the present invention; FIG. 2 is a schematic structural view of the second embodiment; FIG. 3 is a schematic structural view of the second embodiment after being installed in a mobile phone.
具体实施方式 detailed description
为了便于本领域技术人员的理解， 下面将结合具体实施例及附图对本 实用新型结构原理作进一步详细描述：  In order to facilitate the understanding of those skilled in the art, the structural principle of the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings:
实施例一： 如图 1所示， 本方案作为手机用内置摄像模组， 安装于手 机内部， 主要包括镜头座 1、 依次安装于镜头座 1中的前端凸透镜片 6、 三 棱镜 3、 镜头组 2、 调节圈 4、 感光芯片 5以及电路板。 其中， 三棱镜 3为 光线转向部件， 用于将入射的光线反射转向后成像于感光芯片 5上， 三棱 镜 3的反射面与镜头组光轴成 45度角。调节圈 4用来调节镜头组 2的后焦 距， 达到对于不同距离的景物都能在感光芯片 5上清晰成像的目的。 感光 芯片 5用于将景物实像转换成数据信息通过接口电路传输至手机内部电路 中并通过显示屏显示出来， 由于手机内部电路对摄像模组的控制方式以及 各控制电路均为已经成熟的常规技术， 在此不再赘述。 镜头组 2由安装于 三棱镜 3出射面的凹透镜 21和凸透镜 22组成， 调节时， 一般是调节凸透 镜 22与凹透镜 21距离， 从而到达调节后焦距的目的。  Embodiment 1 As shown in FIG. 1 , the solution is installed in a mobile phone as a built-in camera module for a mobile phone, and mainly includes a lens holder 1 , a front lens 1 , a prism 3 , and a lens group 2 which are sequentially mounted in the lens holder 1 . , adjustment ring 4, sensor chip 5 and circuit board. The prism 3 is a light-steering component for reflecting the incident light and then imaging it on the photosensitive chip 5. The reflecting surface of the triangular mirror 3 is at an angle of 45 degrees to the optical axis of the lens group. The adjustment ring 4 is used to adjust the back focus of the lens group 2, so as to achieve clear imaging on the photosensitive chip 5 for different distance scenes. The photosensitive chip 5 is used for converting the real image of the scene into data information and transmitted to the internal circuit of the mobile phone through the interface circuit and displayed through the display screen. The control mode of the camera module and the control circuit are mature technologies. , will not repeat them here. The lens group 2 is composed of a concave lens 21 and a convex lens 22 mounted on the exit surface of the prism 3, and when adjusted, generally adjusts the distance between the convex lens 22 and the concave lens 21, thereby achieving the purpose of adjusting the back focal length.
' 外部景物的光线首先通过凸透镜片 6进入三棱镜 3中， 光线经反射后 进入镜头组 2中， 经镜头组 2的聚焦， 成像于感光芯片 5上。  The light of the external scene first enters the prism 3 through the lenticular sheet 6, and the light is reflected and enters the lens group 2, and is focused by the lens group 2, and imaged on the photosensitive chip 5.
通过调节圈 4的调节， 整个镜头组 2焦距可在 25mm ~ 160mm之间调 节， 从而可实现 lm到无穷远处景物在感光芯片 5上成清晰的图象。 组 2进入， 然后再通过反光镜 3反射后照射于感光芯片 5上。 本实施例的镜头组 2 由两块同轴心安装的凸透镜 23组成， 两凸透镜 23固定于调节圈 4中， 而调节圈 4则通过螺紋活动安装于镜头座 1中， 通 过旋转调节圈 4 , 可调节镜头组 2与反光镜 3之间的距离， 可实现 lm到无 穷远处景物在感光芯片 5上成清晰的图象。 本方案所釆用的光线反射部件 为反光镜， 其他部件如感光芯片 5等的安装均与实施例一一致， 在此不再 详述。 By adjusting the adjustment ring 4, the focal length of the entire lens group 2 can be adjusted between 25 mm and 160 mm, so that a clear image of the scene on the photosensitive chip 5 can be realized from lm to infinity. The group 2 enters and is then reflected by the mirror 3 to be irradiated onto the photosensitive chip 5. The lens group 2 of the present embodiment is composed of two concentrically mounted convex lenses 23, the two convex lenses 23 are fixed in the adjusting ring 4, and the adjusting ring 4 is mounted in the lens mount 1 by threading movement, by rotating the adjusting ring 4, The distance between the lens group 2 and the mirror 3 can be adjusted to achieve a clear image on the photosensitive chip 5 from lm to infinity. The light reflecting member used in the present embodiment is a mirror, and other components such as the photosensitive chip 5 are mounted in the same manner as in the first embodiment, and will not be described in detail herein.
整个摄像模组体积小， 完全适合安装于厚度薄、 具有一定长度的手机  The entire camera module is small in size and is suitable for installation in a thin, mobile phone with a certain length.

Claims

杈 利 要 求 Patent claim
1. 一种手机用远距离摄像模组， 内置于手机中， 包括镜头座 （1 )、 安装于 镜头座中的镜头以及感知镜头摄取的光线并转换为数据信息的感光芯 片（5 ), 感光芯片通过接口电路与手机内部控制电路联接，其特征在于： 所述的镜头为透镜组成的镜头组， 外部景物光线经一光线转向部件（3 ) 反射后照射于感光芯片上。 1. A long-distance camera module for a mobile phone, which is built in a mobile phone, and includes a lens holder (1), a lens mounted in the lens holder, and a photosensitive chip (5) that senses the light taken by the lens and converts it into data information, and is photosensitive. The chip is connected to the internal control circuit of the mobile phone through the interface circuit, and is characterized in that: the lens is a lens group composed of a lens, and the external scene light is reflected by a light steering component (3) and then irradiated on the photosensitive chip.
2. 根据权利要求 1所述的手机用远距离摄像模组， 其特征在于： 所述的镜 头组安装于光线转向部件前方， 镜头组各透镜均安装于一调节圈 （4 ) 上， 调节圈通过螺紋与镜头座活动连接。  2. The remote camera module for a mobile phone according to claim 1, wherein: the lens group is mounted in front of a light steering component, and each lens of the lens group is mounted on an adjustment ring (4), the adjustment ring Connected to the lens mount by thread.
3. 根据权利要求 2所述的手机用远距离摄像模组， 其特征在于： 所述的镜 头组包括两个同轴心安装于调节圈中的凸透镜。  3. The remote camera module for a mobile phone according to claim 2, wherein: the lens group comprises two convex lenses that are coaxially mounted in the adjustment ring.
4. 根据权利要求 1所述的手机用远距离摄像模组， 其特征在于： 所述的镜 头组安装于光线转向部件与感光芯片之间。  4. The remote camera module for a mobile phone according to claim 1, wherein the lens group is mounted between the light redirecting member and the photosensitive chip.
5. 根据权利要求 4所述的手机用远距离摄像模组， 其特征在于： 在光线转 向部件前方还设置有一凸透镜片 （6 ) .  5. The remote camera module for a mobile phone according to claim 4, wherein a convex lens sheet (6) is further disposed in front of the light redirecting member.
6. 根据权利要求 3或 5所述的手机用远距离摄像模组， 其特征在于： 所述 的光线转向部件为反光镜或三棱镜， 反光镜或三棱镜的反射面与镜头组 光轴成 45度角。  The remote camera module for mobile phone according to claim 3 or 5, wherein: the light turning component is a mirror or a triangular prism, and the reflecting surface of the mirror or the triangular prism is 45 degrees from the optical axis of the lens group. angle.
7. 根据权利要求 6所述的手机用远距离摄像模组， 其特征在于： 所述镜头 组焦距范围为 25mni - 160mm。  7. The remote camera module for a mobile phone according to claim 6, wherein: the lens group has a focal length ranging from 25 mni to 160 mm.
PCT/CN2008/000397 2007-09-14 2008-02-26 A far imaging module for a mobile phone WO2009033350A1 (en)

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