WO2015035960A1 - 潜望式镜头和终端设备 - Google Patents

潜望式镜头和终端设备 Download PDF

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Publication number
WO2015035960A1
WO2015035960A1 PCT/CN2014/086634 CN2014086634W WO2015035960A1 WO 2015035960 A1 WO2015035960 A1 WO 2015035960A1 CN 2014086634 W CN2014086634 W CN 2014086634W WO 2015035960 A1 WO2015035960 A1 WO 2015035960A1
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WIPO (PCT)
Prior art keywords
lens
periscope
terminal device
sensor
filter
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Ceased
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PCT/CN2014/086634
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English (en)
French (fr)
Inventor
李正刚
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Huawei Device Co Ltd
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Huawei Device Co Ltd
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Publication date
Application filed by Huawei Device Co Ltd filed Critical Huawei Device Co Ltd
Priority to EP14844787.3A priority Critical patent/EP3006984B1/en
Priority to US14/908,982 priority patent/US9523847B2/en
Priority to JP2016532233A priority patent/JP6556130B2/ja
Publication of WO2015035960A1 publication Critical patent/WO2015035960A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes
    • 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
    • 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
    • G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
    • 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
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/17—Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
    • 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
    • G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof

Definitions

  • the present invention relates to an electronic device, and more particularly to a periscope lens and a terminal device.
  • the camera function is more and more widely used in mobile phones.
  • Built-in periscope lenses with optical zoom are widely used on mobile phones. Due to the higher performance requirements of mobile phones and digital cameras, such as higher optical zoom magnification and higher image quality, the size of the photosensitive element (ie sensor) that satisfies such high performance is correspondingly larger. .
  • FIG. 1 shows a schematic diagram of a prior art periscope lens.
  • the external light of the existing periscope lens passes through the filter lens module 110, is reflected by the reflective prism module 120, is optically zoomed by the intermediate zoom lens module 130, and is imaged on the lens.
  • the thickness T1 of the prior art periscope lens is limited by the width T2 of the sensor.
  • the prior art needs to increase the width of the sensor of the periscope lens, so that the thickness of the periscope lens is increased, and the thickness of the terminal device such as a mobile phone or a digital camera to which the periscope lens is mounted is increased. It also increases.
  • the technical problem to be solved by the present invention is how to reduce the width of the sensor to limit the thickness of the periscope lens, and provide a periscope lens and terminal device capable of having high imaging quality and thin thickness. .
  • the present invention provides a periscope lens comprising: a filter, a reflective prism group, a zoom lens, and a sensor;
  • the filter for filtering light incident from the outside
  • the reflective prism group is configured to be combined with the zoom lens, and the light filtered by the filter is reflected twice and then injected into the sensor.
  • the reflective prism group includes at least a first reflective prism and a second reflective prism
  • the first reflective prism is configured to reflect light emitted by the filter to the zoom lens
  • the second reflective prism is configured to reflect light emitted by the zoom lens to the sensor.
  • the filter is placed at a first angle with the first reflective prism, and the first angle ranges from 30 Degree ⁇ 60 degrees.
  • the first angle is 45 degrees.
  • the first reflective prism and the second reflective prism are placed at a second angle, and the second angle ranges from 0 degrees to 45 degrees.
  • the second angle is 0 degrees.
  • the second reflective prism is placed at a third angle with the sensor, and the third angle ranges from 30 degrees to ⁇ 60 degrees.
  • the third angle is 45 degrees.
  • the present invention provides a terminal device comprising: any of the above-mentioned periscope lenses.
  • the senor of the periscope lens is disposed in parallel with the display screen of the terminal device in a length direction of the terminal device.
  • the back surface of the display screen of the terminal device has a cavity
  • the reflective prism group and the zoom lens of the periscope lens are Forming an extension region of the periscope lens between the filter and the sensor, the extension region being at least partially located in the cavity, the vertical projection of the filter to the display screen of the terminal device being at least partially located Within the range of the display screen.
  • the light incident side of the filter of the periscope lens is disposed in parallel with the display screen of the terminal device.
  • the photosensitive side of the sensor of the periscope lens is disposed in parallel with the display screen of the terminal device.
  • the width of the sensor can be reduced.
  • the thickness limit of the periscope lens can be guaranteed by using a larger sensor in order to improve the image quality, or increasing the OIS (Optical Image Stabilization) optical image stabilization technology to increase the sensor peripheral size T2.
  • the lens is thinner; it can also improve the imaging quality of the periscope lens of the same thickness. Therefore, the terminal device mounted with the periscope lens can have a higher image quality and a thinner thickness.
  • Figure 1 is a view showing the structure of a conventional periscope lens
  • FIG. 2 is a block diagram showing the composition of a periscope lens according to an embodiment of the present invention
  • FIG. 3 is a block diagram showing the composition of a periscope lens according to another embodiment of the present invention.
  • FIG. 4a is a cross-sectional view showing the structure of a terminal device according to still another embodiment of the present invention.
  • Fig. 4b is a schematic rear view showing the constitution of a terminal device according to still another embodiment of the present invention.
  • the periscope lens may include: a filter 210, a reflective prism group 220, a zoom lens 230, and a sensor 240;
  • the filter 210 is configured to filter light incident from the outside;
  • the reflective prism group 220 is configured to combine with the zoom lens 230, and the light filtered by the filter 210 is reflected twice and then injected into the sensor 240.
  • the light is filtered by the filter 210 of the periscope lens, and then incident on the reflective prism group 220. After being reflected twice by the reflective prism group 220, the optical lens is optically zoomed by the zoom lens 230 and finally incident on the sensor 240.
  • the senor 240 can be a photosensitive element, and can photoelectrically convert the incident light. Output to the terminal device for processing such as imaging.
  • the thickness T1 of the periscope lens is not limited by the width T2 of the sensor. Therefore, on the one hand, when the width T2 of the sensor in the periscope lens is increased in order to improve the image quality, the thickness T1 of the periscope lens can be ensured; on the other hand, when the width T2 of the sensor is constant, The thickness T1 of the periscope lens can be reduced.
  • the periscope lens of the embodiment since the filter light filtered by the filter of the periscope lens is reflected by the reflection prism module and the zoom lens twice and then injected into the sensor, the width of the sensor can be reduced to the periscope. Limiting the thickness of the lens, when using a larger size sensor for improving the image quality and using the OIS anti-shake technology to increase the peripheral size T2 of the sensor, the periscope lens can be made thinner; the same thickness size can also be improved. The image quality of the lens.
  • FIG. 3 is a block diagram showing the composition of a periscope lens according to another embodiment of the present invention.
  • the components in Fig. 3 having the same reference numerals as in Fig. 2 have the same functions.
  • the main difference is that the reflective prism group 220 can further include at least: a first reflective prism 310 and a second reflective prism 320;
  • the reflective prism 310 is configured to reflect the light emitted by the filter 210 to the zoom lens 230
  • the second reflective prism 320 is configured to reflect the light emitted by the zoom lens 230 to the sensor 240.
  • the filter 210 and the first reflective prism 310 may be placed at a first angle ⁇ , and the first angle ⁇ may range from 30 degrees. ⁇ 60 degrees. Preferably, the first angle ⁇ may be 45 degrees.
  • the first reflective prism 310 and the second reflective prism 320 may be placed at a second angle ⁇ , and the second angle ⁇ may be in the range of 0. Degree ⁇ 45 degrees.
  • the second angle ⁇ may be 0 degrees, that is, the first reflective prism 310 and the The second reflective prisms 320 can be placed in parallel.
  • the second reflective prism 320 and the sensor 240 may be placed at a third angle ⁇ , and the third angle ⁇ may range from 30 degrees to 60 degrees. degree.
  • the third angle ⁇ may be 45 degrees.
  • the first angle ⁇ is 45 degrees
  • the second angle ⁇ is 0 degrees
  • the third angle ⁇ is 45 degrees.
  • the light passes through the filter mirror 210 and is firstly angled by the first reflective prism 310 at a 45-degree angle.
  • the optical zoom is performed by the intermediate zoom lens 230, and then the second reflection of the 45 degree angle is performed by the second reflective prism 320, and the image is formed at a 90 degree angle with the zoom lens 230 or parallel to the filter 210.
  • the sensor 240 On the sensor 240. In the case where the sensor 240 is parallel to the filter 210, the width of the sensor has almost no direct effect on the thickness of the periscope lens.
  • the periscope lens of the embodiment since the filter light filtered by the filter of the periscope lens is reflected by the reflection prism module and the zoom lens twice and then injected into the sensor, the width of the sensor can be reduced to the periscope. Limiting the thickness of the lens, when using a larger size sensor for improving the image quality and using the OIS anti-shake technology to increase the peripheral size T2 of the sensor, the periscope lens can be made thinner; the same thickness size can also be improved. The image quality of the lens.
  • FIG. 4a is a cross-sectional view showing the composition of a terminal device according to still another embodiment of the present invention.
  • Fig. 4b is a schematic rear view showing the constitution of a terminal device according to still another embodiment of the present invention.
  • the terminal device may include: a periscope lens 410 of any one of the above structures.
  • the terminal device of this embodiment may further include: a display screen 420, a battery 430, a PCBA (Printed Circuit Board Assembly) 440, a casing 450, and a front camera (Camera) 460.
  • the display screen 420 is not limited in type, and may be an LCD (Liquid Crystal Display) or other types of display screens; It can be TP (Touch Panel) control or keyboard control.
  • the senor 240 of the periscope lens 410 may be disposed side by side with the display screen 420 of the terminal device in the length direction of the terminal device. In this way, the existing thickness space of the terminal device above the display screen can be effectively utilized, not only can the thickness of the terminal device be thinner, but also the length of the terminal device can be made shorter.
  • the back surface of the display screen 420 of the terminal device has a cavity
  • the reflective prism group 220 of the periscope lens 410 the zoom lens 230 is in the filter 210 and
  • An extension region of the periscope lens 410 is formed between the sensors 240, the extension region being at least partially located within the cavity, and the vertical projection of the filter 210 to the display screen 420 of the terminal device is at least partially located
  • the display screen 420 is within range. In this way, the thickness space of the terminal device on the back of the display screen can be effectively utilized, not only can the thickness of the terminal device be thinner, but also the length of the terminal device can be made shorter.
  • the light incident side of the filter 210 of the periscope lens 410 and the display screen 420 of the terminal device may be disposed in parallel.
  • the thickness space of the terminal device can be effectively utilized, and the periscope lens 410 can be prevented from protruding from the surface of the outer casing 450 of the terminal device, not only can the thickness of the terminal device be thinner, but also the periscope lens can be made. Safer and the appearance of the terminal is more beautiful.
  • the photosensitive side of the sensor 240 of the periscope lens 410 and the display screen 420 of the terminal device may also be disposed in parallel.
  • the thickness space of the terminal device can be utilized to the utmost, and the periscope lens 410 can be prevented from protruding from the surface of the terminal device, which not only ensures that the thickness of the terminal device is thinner, but also makes the periscope lens more Safe and the appearance of the terminal device is more beautiful.
  • the periscope lens of any one of the above structures may be disposed on the terminal device of the embodiment, wherein the filtered light of the filter of the periscope lens is combined with the zoom lens by the reflective prism module.
  • the sensor can reduce the thickness of the sensor to limit the thickness of the periscope lens.
  • the larger size sensor is used to improve the image quality and the OIS anti-shake technology is used to increase the sensor peripheral size T2, it can be guaranteed.
  • the periscope lens is relatively thin; it can also improve the imaging quality of the periscope lens of the same thickness. Therefore, the terminal device mounted with the periscope lens can have a higher image quality and a thinner thickness.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Multimedia (AREA)
  • Lenses (AREA)
  • Studio Devices (AREA)
  • Telescopes (AREA)

Abstract

一种潜望式镜头和终端设备。该潜望式镜头包括：滤光镜（210）、反射棱镜组（220）、变焦镜（230）和传感器（240）；所述滤光镜（210），用于对从外部射入的光线进行滤光；所述反射棱镜组（220），用于与所述变焦镜（230）结合，将所述滤光镜（210）滤光后的光线经过两次反射后射入所述传感器（240）。该潜望式镜头和终端设备，可以降低传感器的宽度对潜望式镜头的厚度的限制，在为了提高成像质量而使用更大尺寸传感器和采用OIS防抖技术导致传感器周边尺寸增大时，可以保证潜望式镜头比较薄；也可以提高相同厚度尺寸潜望式镜头的成像质量，可以使得安装有该潜望式镜头的终端设备具有较高的成像质量且厚度较薄。

Description

潜望式镜头和终端设备
本申请要求于2013年09月16日提交中国专利局、申请号为201310422946.2、发明名称为“潜望式镜头和终端设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种电子设备，尤其涉及一种潜望式镜头和终端设备。
背景技术
目前照相机功能在手机上的应用越来越广泛。具有光学变焦功能的内置潜望式镜头广泛应用在手机上。由于用户对手机和数码相机的性能需求更高，例如更高的光学变焦倍数、更高的图像质量等成像质量，但是能够满足如此高性能的感光元件(即传感器)的外形尺寸也相应更大。
图1示出现有潜望式镜头的原理图。如图1所示，现有潜望式镜头的外部光线经过滤光镜头模组110后，经反射棱镜模组120进行反射，通过中间变焦镜头模组130进行光学变焦，成像于放置在该镜头底部的传感器140上。由此可见，该现有潜望式镜头的厚度T1受传感器的宽度T2的限制。
因此，现有技术为了提高成像质量需要增加潜望式镜头的传感器的宽度，使得潜望式镜头的厚度随之增大，安装有该潜望式镜头的终端设备如手机或数码相机等的厚度也随之增大。
发明内容
有鉴于此，本发明要解决的技术问题是，如何降低传感器的宽度对潜望式镜头的厚度的限制，提供一种潜望式镜头和终端设备，能够具有较高的成像质量且厚度较薄。
为了解决上述技术问题，在第一方面，本发明提供了一种潜望式镜头，包括：滤光镜、反射棱镜组、变焦镜和传感器；
所述滤光镜，用于对从外部射入的光线进行滤光；
所述反射棱镜组，用于与所述变焦镜结合，将由所述滤光镜滤光后的光线经过两次反射后射入所述传感器。
结合第一方面，在第一种可能的实现方式中，所述反射棱镜组至少包括第一反射棱镜和第二反射棱镜；
所述第一反射棱镜，用于将所述滤光镜射出的光线反射至所述变焦镜；
所述第二反射棱镜，用于将所述变焦镜射出的光线反射至所述传感器。
结合第一方面的第一种可能的实现方式，在第二种可能的实现方式中，所述滤光镜与所述第一反射棱镜成第一角度放置，所述第一角度的范围为30度～60度。
结合第一方面的第二种可能的实现方式，在第三种可能的实现方式中，所述第一角度为45度。
结合第一方面的第一种可能的实现方式，在第四种可能的实现方式中，所述第一反射棱镜与所述第二反射棱镜成第二角度放置，所述第二角度的范围为0度～45度。
结合第一方面的第四种可能的实现方式，在第五种可能的实现方式中，所述第二角度为0度。
结合第一方面的第一种可能的实现方式，在第六种可能的实现方式中，所述第二反射棱镜与所述传感器成第三角度放置，所述第三角度的范围为30度～60度。
结合第一方面的第六种可能的实现方式，在第七种可能的实现方式中，所述第三角度为45度。
为了解决上述技术问题，在第二方面，本发明提供了一种终端设备，包括：上述任一种潜望式镜头。
结合第二方面，在第一种可能的实现方式中，所述潜望式镜头的传感器在所述终端设备的长度方向与所述终端设备的显示屏并列设置。
结合第二方面的第一种可能的实现方式，在第二种可能的实现方式中，所述终端设备的显示屏的背面具有空腔，所述潜望式镜头的反射棱镜组、变焦镜在滤光镜和传感器之间组成所述潜望式镜头的延伸区域，所述延伸区域至少部分位于所述空腔内，所述滤光镜向所述终端设备的显示屏的垂直投影至少部分位于所述显示屏范围内。
结合第二方面及其上述可能的实现方式，在第三种可能的实现方式中，所述潜望式镜头的滤光镜的入光侧与所述终端设备的显示屏平行设置。
结合第二方面及其上述可能的实现方式，在第四种可能的实现方式中，所述潜望式镜头的传感器的感光侧与所述终端设备的显示屏平行设置。
本实施例的潜望式镜头和终端设备，由于该潜望式镜头的滤光镜滤光后的光线经过反射棱镜模组结合变焦镜进行两次反射后射入传感器，可以降低传感器的宽度对潜望式镜头的厚度的限制，在为了提高成像质量采用更大尺寸的传感器，或者增加OIS(Optical Image Stabilization，光学稳像)光学防抖技术导致传感器周边尺寸T2增大时，可以保证潜望式镜头比较薄；也可以提高相同厚度尺寸潜望式镜头的成像质量。因此，可以使得安装有该潜望式镜头的终端设备具有较高的成像质量且厚度较薄。
根据下面参考附图对示例性实施例的详细说明，本发明的其它特征及方面将变得清楚。
附图说明
包含在说明书中并且构成说明书的一部分的附图与说明书一起示出了本发明的示例性实施例、特征和方面，并且用于解释本发明的原理。
图1示出现有的潜望式镜头的组成结构图；
图2示出根据本发明一实施例的潜望式镜头的组成结构图；
图3示出根据本发明另一实施例的潜望式镜头的组成结构图；
图4a示出根据本发明再一实施例的终端设备的组成结构的剖面示意图；
图4b示出根据本发明再一实施例的终端设备的组成结构的背面示意图。
具体实施方式
以下将参考附图详细说明本发明的各种示例性实施例、特征和方面。附图中相同的附图标记表示功能相同或相似的元件。尽管在附图中示出了实施例的各种方面，但是除非特别指出，不必按比例绘制附图。
在这里专用的词“示例性”意为“用作例子、实施例或说明性”。这里作为“示例性”所说明的任何实施例不必解释为优于或好于其它实施例。
另外，为了更好的说明本发明，在下文的具体实施方式中给出了众多的具体细节。本领域技术人员应当理解，没有这些具体细节，本发明同样可以实施。在另外一些实例中，对于大家熟知的方法、手段、元件和电路未作详细描述，以便于凸显本发明的主旨。
实施例1
图2示出根据本发明一实施例的潜望式镜头的组成结构图。如图2所示，该潜望式镜头可以包括：滤光镜210、反射棱镜组220、变焦镜230和传感器(sensor)240；
其中，滤光镜210，用于对从外部射入的光线进行滤光；
反射棱镜组220，用于与所述变焦镜230结合，将所述滤光镜210滤光后的光线经过两次反射后射入所述传感器240。
具体地，光线经过潜望式镜头的滤光镜210滤光后射入反射棱镜组220，经反射棱镜组220进行两次反射后，通过变焦镜230进行光学变焦，最后射入传感器240上。
其中，传感器240可以为感光元件，可以将射入的光线进行光电转换后 输出到终端设备中进行成像等处理。
如图2所示，由于该潜望式镜头的滤光镜滤光后的光线经过反射棱镜模组结合变焦镜进行两次反射后射入传感器，使得该传感器的位置相应改变，不需要垂直，因此潜望式镜头的厚度T1不受传感器的宽度T2的限制。因此，一方面，当为了提高成像质量而增加潜望式镜头中传感器的宽度T2时，可以保证该潜望式镜头的厚度T1不变；另一方面，当该传感器的宽度T2不变时，可以减小该潜望式镜头的厚度T1。
本实施例的潜望式镜头，由于该潜望式镜头的滤光镜滤光后的光线经过反射棱镜模组结合变焦镜进行两次反射后射入传感器，可以降低传感器的宽度对潜望式镜头的厚度的限制，在为了提高成像质量而使用更大尺寸传感器和采用OIS防抖技术导致传感器周边尺寸T2增大时，可以保证潜望式镜头比较薄；也可以提高相同厚度尺寸潜望式镜头的成像质量。
实施例2
图3示出根据本发明另一实施例的潜望式镜头的组成结构图。图3中标号与图2相同的组件具有相同的功能。如图3所示，与图2所示的潜望式镜头相比，主要区别在于，所述反射棱镜组220还可以至少包括：第一反射棱镜310和第二反射棱镜320；其中，第一反射棱镜310，用于将所述滤光镜210射出的光线反射至所述变焦镜230；第二反射棱镜320，用于将所述变焦镜230射出的光线反射至所述传感器240。
对于上述潜望式镜头，在一种可能的实现方式中，所述滤光镜210与所述第一反射棱镜310可以成第一角度α放置，所述第一角度α的范围可以为30度～60度。优选地，所述第一角度α可以为45度。
对于上述潜望式镜头，在一种可能的实现方式中，所述第一反射棱镜310与所述第二反射棱镜320可以成第二角度β放置，所述第二角度β的范围可以为0度～45度。优选地，所述第二角度β可以为0度，即第一反射棱镜310与所 述第二反射棱镜320可以平行放置。
对于上述潜望式镜头，在一种可能的实现方式中，所述第二反射棱镜320与所述传感器240可以成第三角度θ放置，所述第三角度θ的范围可以为30度～60度。优选地，所述第三角度θ可以为45度。
具体地，以第一角度α为45度、第二角度β为0度、第三角度θ为45度为例，光线经过滤光镜210后经第一反射棱镜310进行45度角的第一次反射后，通过中间的变焦镜230进行光学变焦，然后再通过第二反射棱镜320进行45度角的第二次反射，成像于与变焦镜230成90度角或与滤光镜210平行的传感器(sensor)240上。在传感器(sensor)240与滤光镜210平行的情况下，传感器的宽度几乎对潜望式镜头的厚度没有直接影响。
本实施例的潜望式镜头，由于该潜望式镜头的滤光镜滤光后的光线经过反射棱镜模组结合变焦镜进行两次反射后射入传感器，可以降低传感器的宽度对潜望式镜头的厚度的限制，在为了提高成像质量而使用更大尺寸传感器和采用OIS防抖技术导致传感器周边尺寸T2增大时，可以保证潜望式镜头比较薄；也可以提高相同厚度尺寸潜望式镜头的成像质量。
实施例3
图4a示出根据本发明再一实施例的终端设备的组成结构的剖面示意图。图4b示出根据本发明再一实施例的终端设备的组成结构的背面示意图。如图4a和图4b所示，该终端设备可以包括：上述任意一种结构的潜望式镜头410。
如图4a和图4b所示，本实施例的终端设备还可以包括：显示屏420、电池430、PCBA(Printed Circuit Board Assembly，制成板组件)440、外壳450、前置相机(Camera)460、接收器(Receiver)470、氙气灯480、SIM(Subscriber Identity Module，用户身份识别模块)卡490和T卡(T-flash卡，可移动闪存卡)400。其中，显示屏420的种类不进行限制，可以是LCD(Liquid Crystal Display，液晶显示屏)也可以是其他种类的显示屏；显示屏420的控制方式 可以是TP(Touch Panel，触控面板)控制，也可以是键盘控制。
对于上述终端设备，在一种可能的实现方式中，所述潜望式镜头410的传感器240在所述终端设备的长度方向与所述终端设备的显示屏420可以并列设置。这样，能够有效利用该终端设备在显示屏上方的已有的厚度空间，不仅可以使得该终端设备的厚度更薄，还可以使得该终端设备的长度更短。
对于上述终端设备，在一种可能的实现方式中，所述终端设备的显示屏420的背面具有空腔，所述潜望式镜头410的反射棱镜组220、变焦镜230在滤光镜210和传感器240之间组成所述潜望式镜头410的延伸区域，所述延伸区域至少部分位于所述空腔内，所述滤光镜210向所述终端设备的显示屏420的垂直投影至少部分位于所述显示屏420范围内。这样，能够有效利用该终端设备在显示屏背面的厚度空间，不仅可以使得该终端设备的厚度更薄，还可以使得该终端设备的长度更短。
对于上述终端设备，在一种可能的实现方式中，所述潜望式镜头410的滤光镜210的入光侧与所述终端设备的显示屏420可以平行设置。这样，能够有效利用该终端设备的厚度空间，可以使得该潜望式镜头410不从该终端设备的外壳450表面突出，不仅可以使得该终端设备的厚度更薄，还可以使得该潜望式镜头更安全且终端设备的外形更美观。
对于上述终端设备，在一种可能的实现方式中，所述潜望式镜头410的传感器240的感光侧与所述终端设备的显示屏420还可以平行设置。这样，能够最大限度的利用该终端设备的厚度空间，可以使得潜望式镜头410不从该终端设备的表面突出，不仅可以保证该终端设备的厚度更薄，还可以使得该潜望式镜头更安全且终端设备的外形更美观。
本实施例的终端设备上可以设置上述任意一种结构的潜望式镜头，由于该潜望式镜头的滤光镜滤光后的光线经过反射棱镜模组结合变焦镜进行两 次反射后射入传感器，可以降低传感器的宽度对潜望式镜头的厚度的限制，在为了提高成像质量而使用更大尺寸传感器和采用OIS防抖技术导致传感器周边尺寸T2增大时，可以保证潜望式镜头比较薄；也可以提高相同厚度尺寸潜望式镜头的成像质量。因此，可以使得安装有该潜望式镜头的终端设备具有较高的成像质量且厚度较薄。
以上所述，仅为本发明的具体实施方式，仅用于说明本发明的技术方案，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，可轻易想到变化或替换，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所述以权利要求的保护范围为准。

Claims (13)

  1. 一种潜望式镜头，其特征在于，包括：滤光镜(210)、反射棱镜组(220)、变焦镜(230)和传感器(240)；
    所述滤光镜(210)，用于对从外部射入的光线进行滤光；
    所述反射棱镜组(220)，用于与所述变焦镜(230)结合，将所述滤光镜(210)滤光后的光线经过两次反射后射入所述传感器(240)。
  2. 根据权利要求1所述的潜望式镜头，其特征在于，所述反射棱镜组(220)至少包括第一反射棱镜(310)和第二反射棱镜(320)；
    所述第一反射棱镜(310)，用于将所述滤光镜(210)射出的光线反射至所述变焦镜(230)；
    所述第二反射棱镜(320)，用于将所述变焦镜(230)射出的光线反射至所述传感器(240)。
  3. 根据权利要求2所述的潜望式镜头，其特征在于，所述滤光镜(210)与所述第一反射棱镜(310)成第一角度放置，所述第一角度的范围为30度～60度。
  4. 根据权利要求3所述的潜望式镜头，其特征在于，所述第一角度为45度。
  5. 根据权利要求2所述的潜望式镜头，其特征在于，所述第一反射棱镜(310)与所述第二反射棱镜(320)成第二角度放置，所述第二角度的范围为0度～45度。
  6. 根据权利要求5所述的潜望式镜头，其特征在于，所述第二角度为0度。
  7. 根据权利要求2所述的潜望式镜头，其特征在于，所述第二反射棱镜(320)与所述传感器(240)成第三角度放置，所述第三角度的范围为30度 ～60度。
  8. 根据权利要求7所述的潜望式镜头，其特征在于，所述第三角度为45度。
  9. 一种终端设备，其特征在于，包括：
    如权利要求1至8中任一项所述的潜望式镜头。
  10. 根据权利要求9的终端设备，其特征在于，所述潜望式镜头(410)的传感器(240)在所述终端设备的长度方向与所述终端设备的显示屏(420)并列设置。
  11. 根据权利要求10的终端设备，其特征在于，
    所述终端设备的显示屏(420)的背面具有空腔，所述潜望式镜头(410)的反射棱镜组(220)、变焦镜(230)在滤光镜(210)和传感器(240)之间组成所述潜望式镜头(410)的延伸区域，所述延伸区域至少部分位于所述空腔内，所述滤光镜(210)向所述终端设备的显示屏(420)的垂直投影至少部分位于所述显示屏(420)范围内。
  12. 根据权利要9至11任一项所述的终端设备，其特征在于，所述潜望式镜头(410)的滤光镜(210)的入光侧与所述终端设备的的显示屏(420)平行设置。
  13. 根据权利要求9至12任一项所述的终端设备，其特征在于，所述潜望式镜头(410)的传感器(240)的感光侧与所述终端设备的显示屏(420)平行设置。
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US9523847B2 (en) 2016-12-20
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