WO2019170121A1 - 摄像头模组及移动终端 - Google Patents

摄像头模组及移动终端 Download PDF

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Publication number
WO2019170121A1
WO2019170121A1 PCT/CN2019/077300 CN2019077300W WO2019170121A1 WO 2019170121 A1 WO2019170121 A1 WO 2019170121A1 CN 2019077300 W CN2019077300 W CN 2019077300W WO 2019170121 A1 WO2019170121 A1 WO 2019170121A1
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WO
WIPO (PCT)
Prior art keywords
camera module
pass filter
mobile terminal
infrared light
transmittance
Prior art date
Application number
PCT/CN2019/077300
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English (en)
French (fr)
Inventor
朱盼盼
周华昭
Original Assignee
维沃移动通信有限公司
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.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2019170121A1 publication Critical patent/WO2019170121A1/zh

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    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • 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
    • 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
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices

Definitions

  • the present disclosure relates to the field of electronic technologies, and in particular, to a camera module and a mobile terminal.
  • the embodiment of the present disclosure provides a camera module and a mobile terminal, so as to solve the problem that when a conventional mobile terminal uses infrared imaging to assist normal photo imaging, the dual camera occupies the structural space of the mobile terminal, complicates the structure, and reduces the overall structural strength.
  • Embodiments of the present disclosure provide a camera module including a lens assembly, a two-pass filter, and an image sensor array assembly, the lens assembly, the two-pass filter, and the image sensor array
  • the components are stacked in sequence, and the two-pass filter allows visible light and infrared light to pass through.
  • the embodiment of the present disclosure further provides a mobile terminal, where the mobile terminal includes a camera module, the camera module includes a lens assembly, a two-pass filter, and an image sensor array component, the lens assembly, and the dual-pass filter
  • the mobile terminal includes a camera module
  • the camera module includes a lens assembly, a two-pass filter, and an image sensor array component, the lens assembly, and the dual-pass filter
  • the light sheet and the image sensor array assembly are sequentially stacked, and the two-pass filter allows visible light and infrared light to pass.
  • the camera module includes a lens assembly, a two-pass filter, and an image sensor array assembly, the lens assembly, the two-pass filter, and the image sensor
  • the array components are stacked in sequence, and the two-pass filter allows visible light and infrared light to pass through.
  • a two-pass filter is provided between the lens assembly and the image sensor array assembly, and the two-pass filter has a high transmittance in the visible light band and a low transmittance in the infrared spectrum band.
  • the camera module can realize both visible light imaging and infrared imaging, which not only saves the structural space of the mobile terminal, but also simplifies the structure of the camera module compared to the dual camera module.
  • By reducing the use of components it is also possible to reduce the number of openings in the housing of the mobile terminal, improve the overall appearance, aesthetics and strength of the appearance of the mobile terminal, and increase the ability of dustproof and waterproof.
  • FIG. 1 is a schematic structural diagram of hardware of a mobile terminal according to a preferred implementation of the present disclosure
  • FIG. 2 is a schematic structural view of the camera module shown in FIG. 1;
  • FIG. 3 is a spectral graph of light transmittance of the two-pass filter shown in FIG. 2;
  • Figure 4 is an enlarged view of the portion shown in Figure 3;
  • FIG. 5 and FIG. 6 are schematic diagrams of Binning processing for N-in-1 of a pixel.
  • FIG. 1 is a schematic structural diagram of hardware of a mobile terminal according to a preferred embodiment of the present disclosure.
  • the mobile terminal 100 includes, but is not limited to, a radio frequency unit 101 , a network module 102 , an audio output unit 103 , an input unit 104 , a sensor 105 , a display unit 106 , a user input unit 107 , an interface unit 108 , and a memory 109 . , processor 110, and power supply 111 and other components.
  • the mobile terminal structure shown in FIG. 1 does not constitute a limitation on a mobile terminal, and the mobile terminal may include more or less components than those illustrated, or combine some components, or different components.
  • the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, an in-vehicle terminal, a wearable device, a pedometer, and the like.
  • the radio frequency unit 101 may be used for receiving and transmitting signals during or after receiving or transmitting information, and specifically, receiving downlink data from the base station, and then processing the data to the processor 110; The uplink data is sent to the base station.
  • radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the radio unit 101 can also communicate with the network and other devices through a wireless communication system.
  • the mobile terminal provides the user with wireless broadband Internet access through the network module 102, such as helping the user to send and receive emails, browse web pages, and access streaming media.
  • the audio output unit 103 can convert the audio data received by the radio frequency unit 101 or the network module 102 or stored in the memory 109 into an audio signal and output as sound. Moreover, the audio output unit 103 can also provide audio output (eg, call signal reception sound, message reception sound, etc.) related to a specific function performed by the mobile terminal 100.
  • the audio output unit 103 includes a speaker, a buzzer, a receiver, and the like.
  • the input unit 104 is for receiving an audio or video signal.
  • the input unit 104 may include a graphics processing unit (GPU) 1041 and a microphone 1042 that images an still picture or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode.
  • the data is processed.
  • the processed image frame can be displayed on the display unit 106.
  • the image frames processed by the graphics processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio unit 101 or the network module 102.
  • the microphone 1042 can receive sound and can process such sound as audio data.
  • the processed audio data can be converted to a format output that can be transmitted to the mobile communication base station via the radio unit 101 in the case of a telephone call mode.
  • the mobile terminal 100 also includes at least one type of sensor 105, such as a light sensor, motion sensor, and other sensors.
  • the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of the ambient light, and the proximity sensor can close the display panel 1061 when the mobile terminal 100 moves to the ear. / or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity. It can be used to identify the attitude of the mobile terminal (such as horizontal and vertical screen switching, related games).
  • sensor 105 may also include a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, Infrared sensors and the like are not described here.
  • the display unit 106 is for displaying information input by the user or information provided to the user.
  • the display unit 106 can include a display panel 1061.
  • the display panel 1061 can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.
  • the user input unit 107 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the mobile terminal.
  • the user input unit 107 includes a touch panel 1071 and other input devices 1072.
  • the touch panel 1071 also referred to as a touch screen, can collect touch operations on or near the user (such as the user using a finger, a stylus, or the like on the touch panel 1071 or near the touch panel 1071. operating).
  • the touch panel 1071 may include two parts of a touch detection device and a touch controller.
  • the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information.
  • the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves.
  • the user input unit 107 may also include other input devices 1072.
  • the other input devices 1072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control button, a switch button, etc.), a trackball, a mouse, and a joystick, which are not described herein.
  • the touch panel 1071 may be overlaid on the display panel 1061. After the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits to the processor 110 to determine the type of the touch event, and then the processor 110 according to the touch. The type of event provides a corresponding visual output on display panel 1061.
  • the touch panel 1071 and the display panel 1061 are two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated. The input and output functions of the mobile terminal are implemented, and are not limited herein.
  • the interface unit 108 is an interface in which an external device is connected to the mobile terminal 100.
  • the external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, and an audio input/output. (I/O) port, video I/O port, headphone port, and more.
  • the interface unit 108 can be configured to receive input (eg, data information, power, etc.) from an external device and transmit the received input to one or more components within the mobile terminal 100 or can be used at the mobile terminal 100 and externally Data is transferred between devices.
  • Memory 109 can be used to store software programs as well as various data.
  • the memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may be stored according to Data created by the use of the mobile phone (such as audio data, phone book, etc.).
  • the memory 109 may include a high speed random access memory, and may also include a nonvolatile memory such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the processor 110 is a control center of the mobile terminal that connects various portions of the entire mobile terminal using various interfaces and lines, by running or executing software programs and/or modules stored in the memory 109, and recalling data stored in the memory 109.
  • the mobile terminal performs various functions and processing data to perform overall monitoring on the mobile terminal.
  • the processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application, etc., and performs modulation and demodulation.
  • the processor primarily handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 110.
  • the mobile terminal 100 may also include a power source 111 (such as a battery) that supplies power to various components.
  • a power source 111 such as a battery
  • the power source 111 may be logically coupled to the processor 110 through a power management system to manage charging, discharging, and power management through a power management system. And other functions.
  • the mobile terminal 100 includes some functional modules not shown, and details are not described herein again.
  • the mobile terminal 100 further includes a camera module 112 for performing shooting or imaging, and the camera module 112 is connected to an image data processor (not shown), and the camera module 112 can The acquired data frame is sent to the image data processor, processed by the image data processor to form a desired picture or video, and then transmitted to the display unit 106 for display.
  • a camera module 112 for performing shooting or imaging
  • the camera module 112 is connected to an image data processor (not shown), and the camera module 112 can The acquired data frame is sent to the image data processor, processed by the image data processor to form a desired picture or video, and then transmitted to the display unit 106 for display.
  • the processor 110 can be used as an image data processor, and is not limited thereto. In other embodiments, it may be separately disposed outside the processor 110 for performing an image. Processed image data processor.
  • the mobile terminal 100 further includes an infrared emitter 113 for emitting infrared light outward, especially in a dark environment, the infrared light emitted by the infrared emitter 113 encounters an object and then returns. Back reflection, generating emitted light, the camera module 112 receives the reflected light of the infrared light emitted by the infrared emitter 113.
  • the infrared emitter 113 is disposed adjacent to the camera module 120.
  • the camera module 120 may be a front camera module of the mobile terminal 100 or a rear camera module of the mobile terminal 100, and is not limited thereto.
  • FIG. 2 is a schematic structural view of the camera module shown in FIG.
  • the camera module 112 includes a lens assembly 1121, a two-pass filter 1122, and an image sensor array assembly 1123, the lens assembly 1121, the dual-pass filter 1122, and the image sensor.
  • the array components 1123 are stacked in sequence, and the two-pass filter 1122 is located between the lens assembly 1121 and the image sensor array assembly 1123.
  • the lens assembly 1121 is configured to receive light, and the light passes through the lens assembly 1121 and reaches the two-pass filter 1122. After being filtered by the two-pass filter 1122, the light is focused on the image sensor array component 1123. After being photoelectrically converted by the image sensor array component 1123, the data is transmitted to an image data processor for processing, thereby processing a desired image or video.
  • the camera module 112 may further include a lens driver (not shown), the lens driver is coupled to the lens assembly 1121, and the lens driver may be further coupled to the optical lens in the lens assembly 1121 for
  • the optical parameter of the camera module 112 is adjusted by the lens driver.
  • the position and distance of the optical lens in the lens assembly 1121 can be adjusted by the lens driver, thereby adjusting the focal length and the lens component 1121.
  • Optical parameters such as the amount of light.
  • FIG. 3 is a spectral graph of the light transmittance of the two-pass filter shown in FIG. 2, and FIG. 4 is an enlarged view of the portion shown in FIG.
  • the two-pass filter 1122 allows visible light and infrared light to pass through
  • the two-pass filter 1122 penetrates visible light having a wavelength band between 400 nm and 600 nm.
  • the rate is high, and it can be considered that the two-pass filter 1122 completely allows visible light transmission in the wavelength range of 400 nm to 600 nm, and the visible light in the wavelength band of 650 nm is half-wave cutoff, that is, visible light wearing in the wavelength band of about 650 nm.
  • the transmittance is about 50%, and the two-pass filter 1122 is turned off for light having a wavelength band between 750 nm and 800 nm, that is, light having a wavelength band between 750 nm and 800 nm is not allowed to pass.
  • the two-pass filter 1122 has a low transmittance for infrared light, and the transmittance of the infrared light on the two-pass filter 1122 is less than or equal to a preset value. Specifically, the two-pass filter 1122 has a transmittance of less than or equal to 3% for infrared light having a wavelength band between 830 nm and 1020 nm.
  • the transmittance of the two-pass filter for visible light is greater than the transmittance of the two-pass filter for infrared light, and the transmittance of the two-pass filter for infrared light is less than or equal to default value.
  • the two-pass filter 1122 has an average transmittance of 0.5% for infrared light having a wavelength band between 830 nm and 1020 nm.
  • the two-pass filter 1122 has a transmittance of less than or equal to 2% for infrared light having a wavelength band between 830 nm and 1020 nm.
  • the two-pass filter 1122 has a transmittance of less than or equal to 3% for infrared light having a wavelength band between 900 nm and 1000 nm. Further, the two-pass filter 1122 has a transmittance of less than or equal to 2% for infrared light having a wavelength band between 900 nm and 1000 nm.
  • the two-pass filter 1122 has an average transmittance of 0.5% for infrared light having a wavelength band between 900 nm and 1000 nm.
  • the mobile terminal 100 can realize visible light imaging using the camera module 112, and the two-pass filter 1122 has low infrared light.
  • the transmittance is less than or equal to 3%, so that the infrared component of the infrared light transmitted through the two-pass filter 1122 does not affect the normal image quality.
  • the two-pass filter 1122 has a low transmittance for infrared light, it allows a small amount of infrared light to pass therethrough, whereby the mobile terminal 100 can realize infrared imaging.
  • the mobile terminal 100 can use the infrared emitter 113 to emit infrared light outward, thereby assisting the camera module 112 to achieve infrared imaging.
  • the mobile terminal 100 can also implement facial recognition and the like by the camera module 120 provided with the two-pass filter 1122.
  • the mobile terminal 100 receives infrared light or the infrared through the image sensor array component 1123 in order to improve the quality of photographing imaging.
  • the mobile terminal 100 can process the pixel array, such as Binning (Binning, an image readout mode, adjacent pixels).
  • Binning an image readout mode, adjacent pixels.
  • the sensed charges are added together and read out in a pixel mode) that is, pixel N is added to the image sensor to increase image brightness.
  • the image sensor array component 1123 is as described.
  • the mobile terminal 100 can perform Binding of 16 and 1 on the pixel array, and synthesize a pixel array of 16 by 16 into one pixel, which can greatly increase the brightness of the picture, especially in a dark environment.
  • the brightness of the picture In the above example, one red sub-pixel R, one green sub-pixel G, one blue sub-pixel B, and one blank sub-pixel are taken as an example, but the invention is not limited thereto.
  • one pixel may also be composed of one red sub-pixel R, one green sub-pixel G, and one blue sub-pixel B, or one red sub-pixel R, one green sub-pixel G, one blue sub-pixel B, and A yellow sub-pixel Y is not limited to this.
  • N in 1 Binning may be an imaging device having 4 by 4 pixels, 8 by 8 pixels, or 16 by 16 pixels.
  • the periodic array of the unit composition that is, the pixel density of the pixel on the image sensor array component 1123, may be any density: 1/(2*2), 1/(2) *4), 1/(4*4), etc., that is, the point density formula can be 1/(2*2*n1*n2), n1 is 1, 2, 3, 4..., n2 is 1, 2, 3 4, and, in turn, combine pixels in a periodic array of arbitrary density into one pixel, ie (2*2*n1*n2) pixels in a periodic array of 1/(2*2*n1*n2) density Synthesize a pixel.
  • the camera module includes a lens assembly, a two-pass filter, and an image sensor array assembly, the lens assembly, the two-pass filter, and the image sensor
  • the array components are sequentially stacked, the two-pass filter allows visible light to pass through, and the two-pass filter has a transmittance of less than or equal to 3% for infrared light having a wavelength band between 830 nm and 1020 nm.
  • a two-pass filter is provided between the lens assembly and the image sensor array assembly, and the two-pass filter has a high transmittance in the visible light band and a low transmittance in the infrared spectrum band.
  • the camera module can realize both visible light imaging and infrared imaging, which not only saves the structural space of the mobile terminal, but also simplifies the structure of the camera module compared to the dual camera module.
  • By reducing the use of components it is also possible to reduce the number of openings in the housing of the mobile terminal, improve the overall appearance, aesthetics and strength of the appearance of the mobile terminal, and increase the ability of dustproof and waterproof.

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Abstract

本公开提供一种摄像头模组及移动终端，所述摄像头模组包括镜头组件、双通滤光片及图像传感器阵列组件，所述镜头组件、所述双通滤光片及所述图像传感器阵列组件依次堆叠设置，所述双通滤光片允许可见光及红外光通过。

Description

摄像头模组及移动终端
相关申请的交叉引用
本申请主张在2018年3月7日在中国提交的中国专利申请No.201810185632.8的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及电子技术领域，尤其涉及一种摄像头模组及移动终端。
背景技术
随着科技的发展进步及通信技术的提高，移动终端成为人们生活中不可或缺的一部分。在移动终端普及的同时，移动终端所具备的功能种类和性能也越来越完善，如上网功能、音频功能、视频功能、拍摄功能和快充充电功能等都已经成为智能终端或移动终端的必备功能。
目前，随着移动终端上拍照或者摄像功能的完善，使用移动终端进行拍照或者摄像已经成为了一种潮流。而随着技术的发展以及拍照功能多样化的需求，越来越多的使用红外成像来辅助正常拍照成像，以满足人们的需求。传统的方式是使用双摄像头方案，即一个摄像头作为正常拍照，另外一个摄像头来做红外成像。但是使用两个摄像头，会明显占用移动终端的结构空间，使移动终端的结构更加复杂化，降低移动终端整体的结构强度。
发明内容
本公开实施例提供一种摄像头模组及移动终端，以解决传统移动终端使用红外成像来辅助正常拍照成像时，双摄像头占用移动终端的结构空间，使结构复杂化，降低整体结构强度的问题。
本公开实施例提供了一种摄像头模组，所述摄像头模组包括镜头组件、双通滤光片及图像传感器阵列组件，所述镜头组件、所述双通滤光片及所述图像传感器阵列组件依次堆叠设置，所述双通滤光片允许可见光及红外光通过。
本公开实施例还提供一种移动终端，所述移动终端包括摄像头模组，所述摄像头模组包括镜头组件、双通滤光片及图像传感器阵列组件，所述镜头组件、所述双通滤光片及所述图像传感器阵列组件依次堆叠设置，所述双通滤光片允许可见光及红外光通过。
本公开实施例提供的摄像头模组及移动终端，所述摄像头模组包括镜头组件、双通滤光片及图像传感器阵列组件，所述镜头组件、所述双通滤光片及所述图像传感器阵列组件依次堆叠设置，所述双通滤光片允许可见光及红外光通过。这样，使用具有单镜头的摄像头模组，在镜头组件与图像传感器阵列组件之间设置双通滤光片，双通滤光片具有可见光波段的高透过率和红外光谱波段的低透过率，使摄像头模组在单镜头的情况下，既可以实现可见光成像，也可以实现红外成像，不仅节省移动终端整机的结构空间，而且相比双摄像头模组来讲可以简化摄像头模组的结构，减少组件的使用，还可以减少在移动终端的壳体上的开孔数量，提高移动终端外观的整体性、美观性和强度，增加防尘和防水等的能力。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对本公开实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本公开一较佳实施提供的移动终端的硬件结构示意图；
图2为图1中所示的摄像头模组的结构示意图；
图3为图2中所示双通滤光片的光线透过率的光谱曲线图；
图4为图3中IV处所示的放大图；
图5和图6为对像素做N合1的Binning处理的示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是 全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
请参阅图1，图1是本公开一较佳实施提供的移动终端的硬件结构示意图。如图1所示，该移动终端100包括但不限于：射频单元101、网络模块102、音频输出单元103、输入单元104、传感器105、显示单元106、用户输入单元107、接口单元108、存储器109、处理器110、以及电源111等部件。本领域技术人员可以理解，图1中示出的移动终端结构并不构成对移动终端的限定，移动终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。在本公开实施例中，移动终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑、车载终端、可穿戴设备、以及计步器等。
应理解的是，本公开实施例中，射频单元101可用于收发信息或通话过程中，信号的接收和发送，具体的，将来自基站的下行数据接收后，给处理器110处理；另外，将上行的数据发送给基站。通常，射频单元101包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器、双工器等。此外，射频单元101还可以通过无线通信系统与网络和其他设备通信。
移动终端通过网络模块102为用户提供了无线的宽带互联网访问，如帮助用户收发电子邮件、浏览网页和访问流式媒体等。
音频输出单元103可以将射频单元101或网络模块102接收的或者在存储器109中存储的音频数据转换成音频信号并且输出为声音。而且，音频输出单元103还可以提供与移动终端100执行的特定功能相关的音频输出(例如，呼叫信号接收声音、消息接收声音等等)。音频输出单元103包括扬声器、蜂鸣器以及受话器等。
输入单元104用于接收音频或视频信号。输入单元104可以包括图形处理器(Graphics Processing Unit，GPU)1041和麦克风1042，图形处理器1041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。处理后的图像帧可以显示在显示单元106上。经图形处理器1041处理后的图像帧可以存储在存储器109(或其它存储介质)中或者经由射频单元101或网络模块102进行发送。麦克风1042可以接收声音，并且能够将这样的声音处理为音频数据。处理后的音频数据可以 在电话通话模式的情况下转换为可经由射频单元101发送到移动通信基站的格式输出。
移动终端100还包括至少一种传感器105，比如光传感器、运动传感器以及其他传感器。具体地，光传感器包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板1061的亮度，接近传感器可在移动终端100移动到耳边时，关闭显示面板1061和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别移动终端姿态(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；传感器105还可以包括指纹传感器、压力传感器、虹膜传感器、分子传感器、陀螺仪、气压计、湿度计、温度计、红外线传感器等，在此不再赘述。
显示单元106用于显示由用户输入的信息或提供给用户的信息。显示单元106可包括显示面板1061，可以采用液晶显示器(Liquid Crystal Display，LCD)、有机发光二极管(Organic Light-Emitting Diode，OLED)等形式来配置显示面板1061。
用户输入单元107可用于接收输入的数字或字符信息，以及产生与移动终端的用户设置以及功能控制有关的键信号输入。具体地，用户输入单元107包括触控面板1071以及其他输入设备1072。触控面板1071，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板1071上或在触控面板1071附近的操作)。触控面板1071可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器110，接收处理器110发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板1071。除了触控面板1071，用户输入单元107还可以包括其他输入设备1072。具体地，其他输入设备1072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
进一步地，触控面板1071可覆盖在显示面板1061上，当触控面板1071检测到在其上或附近的触摸操作后，传送给处理器110以确定触摸事件的类型，随后处理器110根据触摸事件的类型在显示面板1061上提供相应的视觉输出。虽然在图1中，触控面板1071与显示面板1061是作为两个独立的部件来实现移动终端的输入和输出功能，但是在某些实施例中，可以将触控面板1071与显示面板1061集成而实现移动终端的输入和输出功能，具体此处不做限定。
接口单元108为外部装置与移动终端100连接的接口。例如，外部装置可以包括有线或无线头戴式耳机端口、外部电源(或电池充电器)端口、有线或无线数据端口、存储卡端口、用于连接具有识别模块的装置的端口、音频输入/输出(I/O)端口、视频I/O端口、耳机端口等等。接口单元108可以用于接收来自外部装置的输入(例如，数据信息、电力等等)并且将接收到的输入传输到移动终端100内的一个或多个元件或者可以用于在移动终端100和外部装置之间传输数据。
存储器109可用于存储软件程序以及各种数据。存储器109可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器109可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
处理器110是移动终端的控制中心，利用各种接口和线路连接整个移动终端的各个部分，通过运行或执行存储在存储器109内的软件程序和/或模块，以及调用存储在存储器109内的数据，执行移动终端的各种功能和处理数据，从而对移动终端进行整体监控。处理器110可包括一个或多个处理单元；优选地，处理器110可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器110中。
移动终端100还可以包括给各个部件供电的电源111(比如电池)，优选地，电源111可以通过电源管理系统与处理器110逻辑相连，从而通过电源 管理系统实现管理充电、放电、以及功耗管理等功能。
另外，移动终端100包括一些未示出的功能模块，在此不再赘述。
移动终端100还包括摄像头模组112，所述摄像头模组112用于进行拍摄或者摄像等，所述摄像头模组112与图像数据处理器(图未示)连接，所述摄像头模组112可以将获取的数据帧发送给图像数据处理器，经图像数据处理器处理后形成所需的图片或者视频等，再传输至所述显示单元106进行显示。
优选地，本实施方式中，所述处理器110即可以作为图像数据处理器，单并不局限于此，在其他实施方式中，也可以是在处理器110之外，单独设置用于进行图像处理的图像数据处理器。
所述移动终端100还包括红外发射器113，所述红外发射器113用于向外发射红外光，尤其是在暗光环境下，所述红外发射器113发射的红外光遇到物体后回向回反射，产生发射光，所述摄像头模组112接收所述红外发射器113发射的红外光的反射光。
优选地，所述红外发射器113与所述摄像头模组120相邻设置。
其中，所述摄像头模组120可以是所述移动终端100的前置摄像头模组，也可是所述移动终端100的后置摄像头模组，并不做任何限定。
请同时参阅图2，图2为图1中所示的摄像头模组的结构示意图。如图2中所示，所述摄像头模组112包括镜头组件1121、双通滤光片1122及图像传感器阵列组件1123，所述镜头组件1121、所述双通滤光片1122以及所述图像传感器阵列组件1123依次堆叠设置，所述双通滤光片1122位于所述镜头组件1121与所述图像传感器阵列组件1123之间。所述镜头组件1121用于接收光线，光线通过所述镜头组件1121后到达所述双通滤光片1122，经所述双通滤光片1122滤波后，聚焦在所述图像传感器阵列组件1123上，由所述图像传感器阵列组件1123进行光电转换后，将数据传输给图像数据处理器进行处理，从而处理得到需要的图像或者视频等。
所述摄像头模组112还可以包括镜片驱动器(图未示)，所述镜片驱动器与所述镜头组件1121连接，并且所述镜片驱动器可以进一步与所述镜头组件1121中的光学镜片连接，用于驱动调节所述摄像头模组112的光学参数，具 体的，可以是通过所述镜片驱动器来调节所述镜头组件1121中的光学镜片的位置以及距离等，从而调节所述镜头组件1121的焦距和进光量等光学参数。
请同时参阅图3和图4，图3为图2中所示双通滤光片的光线透过率的光谱曲线图，图4为图3中IV处所示的放大图。如图3中所示，其中，所述双通滤光片1122允许可见光及红外光通过，具体的，所述双通滤光片1122对于波段在400纳米到600纳米之间的可见光的穿透率高，可以认为所述双通滤光片1122完全允许波段在400纳米到600纳米之间的可见光透过，波段在650纳米的可见光为半波截止，即波段在650纳米左右的可见光的穿透率大约为50％，所述双通滤光片1122对于波段在750纳米至800纳米之间的光线呈截止状态，即不允许波段在750纳米至800纳米之间的光线透过。
如图4中所示，其中，所述双通滤光片1122对于红外光具有低透过率，红外光在所述双通滤光片1122上的穿透率小于或者等于一预设值。具体的，所述双通滤光片1122对于波段在830纳米至1020纳米之间的红外光的穿透率小于或者等于3％。
进一步地，所述双通滤光片对于可见光的穿透率大于所述双通滤光片对于红外光的穿透率，并且所述双通滤光片对于红外光的穿透率小于或者等于预设值。
进一步地，所述双通滤光片1122对于波段在830纳米至1020纳米之间的红外光的平均穿透率为0.5％。
优选地，所述双通滤光片1122对于波段在830纳米至1020纳米之间的红外光的穿透率小于或者等于2％。
优选地，所述双通滤光片1122对于波段在900纳米至1000纳米之间的红外光的穿透率小于或者等于3％。进一步地，所述双通滤光片1122对于波段在900纳米至1000纳米之间的红外光的穿透率小于或者等于2％。
优选地，所述双通滤光片1122对于波段在900纳米至1000纳米之间的红外光的平均穿透率为0.5％。
这样，由于所述双通滤光片1122对于可见光具有高透过率，所述移动终端100使用所述摄像头模组112可以实现可见光成像，而所述双通滤光片1122对于红外光具有低透过率，小于或者等于3％，所以红外光透过所述双通滤光 片1122的红外分量不会影响正常的成像质量。此外，虽然所述双通滤光片1122对于红外光的透过率较低，但会允许少量红外光透过，借此，所述移动终端100可以实现红外成像。
进一步地，在暗光环境下，所述移动终端100可以使用所述红外发射器113向外发射红外光，从而辅助所述摄像头模组112实现红外成像。
更进一步地，所述移动终端100还可以借由设置有所述双通滤光片1122的所述摄像头模组120，实现面部识别等。
相应地，鉴于红外光在所述双通滤光片1122上的透过率较低，为了提高拍摄成像的质量，所述移动终端100通过所述图像传感器阵列组件1123接收红外光或者所述红外发射器113发射的红外光的反射光，形成像素阵列后，所述移动终端100可以通过对像素阵列进行处理，如做N合1的Binning(Binning，一种图像读出模式，将相邻像素感应的电荷加在一起，以一个像素的模式读出)即，在图像传感器上做像素N合1来提升图像亮度，举例来讲，如图5中所示，如所述图像传感器阵列组件1123为16乘16的像素阵列，那么可以所述移动终端100可以对像素阵列做16和1的Bining，将16乘16的像素阵列合成一个像素，这样可以大大图片亮度，尤其是提高暗光环境下的图片亮度。其中，上述举例中，是以一个红色子像素R、一个绿色子像素G、一个蓝色子像素B和一个空白子像素组成一个像素为例进行说明的，但并不局限于此，在其他实施方式中，一个像素还可以是由一个红色子像素R、一个绿色子像素G和一个蓝色子像素B组成，或者由一个红色子像素R、一个绿色子像素G、一个蓝色子像素B和一个黄色子像素Y组成，并不以此为限。
其中，上述仅为举例说明，但并不局限于此，如图6中所示，N合1Binning，可以是成像装置具有其中4乘4个像素、8乘8个像素或16乘16个像素适于作为所述单位组成的所述周期性阵列，也就是说，所述图像传感器阵列组件1123上的像素点的取点密度，可以是任意密度：1/(2*2)，1/(2*4)，1/(4*4)等，即取点密度公式可以为1/(2*2*n1*n2)，n1为1、2、3、4…，n2为1、2、3、4…，进而，将任意密度的周期性阵列中的像素合成一个像素，即将1/(2*2*n1*n2)密度的周期性阵列中的(2*2*n1*n2)个像素合成一个 像素。
本公开实施例提供的摄像头模组及移动终端，所述摄像头模组包括镜头组件、双通滤光片及图像传感器阵列组件，所述镜头组件、所述双通滤光片及所述图像传感器阵列组件依次堆叠设置，所述双通滤光片允许可见光通过，并且所述双通滤光片对于波段在830纳米至1020纳米之间的红外光的穿透率小于或者等于3％。这样，使用具有单镜头的摄像头模组，在镜头组件与图像传感器阵列组件之间设置双通滤光片，双通滤光片具有可见光波段的高透过率和红外光谱波段的低透过率，使摄像头模组在单镜头的情况下，既可以实现可见光成像，也可以实现红外成像，不仅节省移动终端整机的结构空间，而且相比双摄像头模组来讲可以简化摄像头模组的结构，减少组件的使用，还可以减少在移动终端的壳体上的开孔数量，提高移动终端外观的整体性、美观性和强度，增加防尘和防水等的能力。
以上所述，仅为本公开的具体实施方式，但本公开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公开揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本公开的保护范围之内。因此，本公开的保护范围应以权利要求的保护范围为准。

Claims (10)

  1. 一种摄像头模组，所述摄像头模组包括镜头组件、双通滤光片及图像传感器阵列组件，所述镜头组件、所述双通滤光片及所述图像传感器阵列组件依次堆叠设置，所述双通滤光片允许可见光及红外光通过。
  2. 如权利要求1所述的摄像头模组，其中，所述双通滤光片对于可见光的穿透率大于所述双通滤光片对于红外光的穿透率，并且所述双通滤光片对于红外光的穿透率小于或者等于预设值。
  3. 如权利要求2所述的摄像头模组，其中，所述双通滤光片对于波段在830纳米至1020纳米之间的红外光的穿透率小于或者等于3％。
  4. 如权利要求3所述的摄像头模组，其中，所述双通滤光片对于波段在830纳米至1020纳米之间的红外光的平均穿透率为0.5％。
  5. 如权利要求3所述的摄像头模组，其中，所述双通滤光片对于波段在900纳米至1000纳米之间的红外光的穿透率小于或者等于3％。
  6. 如权利要求5所述的摄像头模组，其中，所述双通滤光片对于波段在900纳米至1000纳米之间的红外光的平均穿透率为0.5％。
  7. 如权利要求1所述的摄像头模组，其中，所述摄像头模组包括镜片驱动器，所述镜片驱动器与所述镜头组件中的光学镜片连接，并驱动调节所述摄像头模组的光学参数。
  8. 一种移动终端，其中，所述移动终端包括如权利要求1至7中任一项所述的摄像头模组。
  9. 如权利要求8所述的移动终端，其中，所述移动终端包括用于向外发射红外光的红外发射器，所述摄像头模组接收所述红外发射器发射的红外光的反射光。
  10. 如权利要求9所述的移动终端，其中，所述红外发射器与所述摄像头模组相邻设置。
PCT/CN2019/077300 2018-03-07 2019-03-07 摄像头模组及移动终端 WO2019170121A1 (zh)

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