CN106657737B - Camera components and terminals - Google Patents

Abstract

The disclosure is directed to a kind of CCD camera assembly and terminal, CCD camera assembly includes: lens group, infrared transmitter, electroluminescent infrared fileter and imaging unit；The same side of electroluminescent infrared fileter is arranged in along the optical path of lens group for lens group and infrared transmitter, and the other side of electroluminescent infrared fileter is arranged in along the optical path of lens group for imaging unit；Electroluminescent infrared fileter is configured as filtering out infrared light according to first control signal, to work in visible light wave range, and is worked in infrared band according to second control signal to penetrate infrared light；Imaging unit is configured as working when electroluminescent infrared fileter in visible light wave range, receive the visible light penetrated from electroluminescent infrared fileter, visible light is handled, when the work of electroluminescent infrared fileter is in infrared band, the infrared light penetrated from electroluminescent infrared fileter is received, infrared light is handled, to reduce the number of openings of the terminal using the CCD camera assembly, terminal space is saved, terminal cost is reduced.

Description

Camera components and terminals

technical field

The present disclosure relates to the technical field of smart terminals, in particular to a camera assembly and a terminal.

Background technique

With the continuous development of smart terminals, the functions of smart terminals are developing in a diversified direction. For example: Many smart terminals have camera function and infrared distance measurement function at the same time.

At present, the camera device that realizes the camera function usually includes: a protective film, a lens group, a focus motor, an infrared filter, an imaging unit, and a circuit connection substrate. (Signal Noise Ratio, referred to as SNR) and image quality; the infrared sensor that realizes the function of infrared distance measurement usually includes: an infrared transmitter and an infrared receiver for receiving infrared light. Usually, the camera device and the infrared sensor are set in the terminal independently of each other.

Contents of the invention

In order to overcome the problems existing in related technologies, the present disclosure provides a camera assembly and a terminal. Described technical scheme is as follows:

According to a first aspect of an embodiment of the present disclosure, there is provided a camera assembly, including: a lens group, an infrared emitter, an electro-infrared filter, and an imaging unit;

The lens group and the infrared emitter are arranged on the same side of the electro-infrared filter along the optical path of the lens group, and the imaging unit is arranged on the other side of the electro-infrared filter along the optical path of the lens group;

The electro-infrared filter is configured to filter out infrared light according to the first control signal to work in the visible light band, and to work in the infrared light band according to the second control signal to transmit infrared light;

The imaging unit is configured to receive the visible light transmitted through the electro-infrared filter and process the visible light when the electro-infrared filter works in the visible light band, and when the electro-infrared filter works When in the infrared light band, the infrared light transmitted through the electro-infrared filter is received, and the infrared light is processed.

The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: while the camera assembly realizes the camera function and the infrared distance measurement function, the camera device and the infrared sensor are combined into one, which can reduce the cost of using the camera assembly. The number of openings of the terminal can save terminal space and reduce terminal cost.

Optionally, it also includes: a protective film; the protective film, the infrared emitter and the lens group are sequentially arranged from outside to inside along the optical path of the lens group; so as to realize the protection of the infrared emitter by the protective film. Alternatively, the protective film, the lens group and the infrared emitter are sequentially arranged from outside to inside along the optical path of the lens group, so as to realize the protection of the lens group by the protective film.

Optionally, the infrared emitter is in the shape of a point or a ring, so as to save the internal space of the terminal using the camera assembly.

Optionally, it also includes: a focus motor; the focus motor is arranged between the lens group and the electro-infrared filter.

Optionally, the imaging unit is specifically configured to determine the distance between the camera assembly and the user or the object through the infrared light emitted by the infrared emitter;

According to a second aspect of an embodiment of the present disclosure, there is provided a terminal, including: a camera assembly and a processor, where the camera assembly includes: a lens group, an infrared emitter, an electro-infrared filter, and an imaging unit;

The lens group and the infrared emitter are arranged on the same side of the electro-infrared filter along the optical path of the lens group, and the imaging unit is arranged on the other side of the electro-infrared filter along the optical path of the lens group;

a processor configured to output the first control signal or the second control signal to the electro-infrared filter;

The electro-infrared filter is configured to filter out infrared light according to the first control signal to work in the visible light band, and to work in the infrared light band according to the second control signal to transmit infrared light;

The imaging unit is configured to receive the visible light transmitted through the electro-infrared filter when the electro-infrared filter works in the visible light band, and process the visible light, and when the electro-infrared filter works in the visible light band, When the infrared filter works in the infrared light band, it receives the infrared light transmitted through the electro-infrared filter and processes the infrared light.

While the terminal realizes the camera function and the infrared distance measurement function, the camera device and the infrared sensor are combined into one, which can reduce the number of openings of the terminal, save terminal space, and reduce terminal cost.

Optionally, it also includes: a protective film; the protective film, the infrared emitter and the lens group are sequentially arranged from outside to inside along the optical path of the lens group; or, the protective film, the lens The group and the infrared emitter are sequentially arranged from outside to inside along the optical path of the lens group.

Optionally, the infrared emitter is in the shape of a point or a ring.

Optionally, the electro-infrared filter is connected to the processor through a connector.

Optionally, the camera component is a front camera component of the terminal.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: the present disclosure provides a camera assembly and a terminal, wherein the camera assembly includes: a lens group, an infrared emitter, an electro-infrared filter, and an imaging unit; the lens group The infrared emitter is arranged on the same side of the electro-infrared filter along the optical path of the lens group, and the imaging unit is arranged on the other side of the electro-infrared filter along the optical path of the lens group; the electro-infrared filter, It is configured to filter out infrared light according to the first control signal to work in the visible light band, and to work in the infrared light band to transmit infrared light according to the second control signal; the imaging unit is configured to work as an electro-infrared filter In the visible light band, receive the visible light transmitted from the electro-infrared filter, and process the visible light, and when the electro-infrared filter works in the infrared light band, receive the light from the electro-infrared filter The infrared light is transmitted and processed, and the camera component realizes the camera function and the infrared distance measurement function, and at the same time, the camera device and the infrared sensor are combined into one, which can reduce the number of openings in the terminal, and It can save terminal space and reduce terminal cost.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a block diagram of a camera assembly shown according to an exemplary embodiment;

Fig. 2 is a block diagram of a terminal shown according to an exemplary embodiment;

Fig. 3 is a block diagram of a terminal 300 according to an exemplary embodiment.

By means of the above-mentioned drawings, certain embodiments of the present disclosure have been shown and will be described in more detail hereinafter. These drawings and written description are not intended to limit the scope of the disclosed concept in any way, but to illustrate the disclosed concept for those skilled in the art by referring to specific embodiments.

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

Since the user usually does not use the infrared sensing function and the camera function at the same time, for example, when the user makes a phone call, the infrared sensing function is used instead of the camera function. Based on this, the embodiment of the present disclosure combines the infrared sensing device and the camera device into one to form the camera assembly provided by the present disclosure.

Fig. 1 is a block diagram of a camera assembly shown according to an exemplary embodiment, the camera assembly can be applied in mobile phones, computers, digital broadcast terminals, messaging equipment, game consoles, tablet devices, medical equipment, fitness equipment, on terminals such as personal digital assistants. As shown in Figure 1, the camera assembly includes: a lens group 11, an infrared emitter, an electro-infrared filter 12 and an imaging unit 13; On the same side of the infrared filter 12, the imaging unit 13 is arranged on the other side of the electro-infrared filter 12 along the optical path of the lens group 11; Between the infrared filter 12. Alternatively, the infrared emitter and the lens group 11 are sequentially arranged from outside to inside along the optical path of the lens group 11 .

The electro-infrared filter 12 is configured to filter out visible light according to the first control signal to work in the visible light band, and to work in the infrared light band according to the second control signal to transmit infrared light. The imaging unit 13 is configured to receive the visible light transmitted through the electro-infrared filter 12 when the electro-infrared filter 12 works in the visible light band, and process the visible light, and act as the electro-infrared filter 12 receives the infrared light transmitted through the electro-infrared filter 12 when working in the infrared light band, and processes the infrared light.

Generally, the infrared sensor includes an infrared receiver for receiving infrared light, so that the imaging unit determines the distance between the terminal and the user or the object according to the infrared light received by the infrared receiver. Since the imaging unit in the camera device also has the function of receiving infrared light, the imaging unit is also used as the infrared receiver in the infrared sensor in this disclosure.

In addition, usually the imaging device includes an infrared filter, which is used to filter out infrared light in visible light, so that the imaging unit works in the visible light band to realize the processing of visible light; while the infrared sensor needs to use infrared light, Therefore, the infrared filter cannot be provided. Based on this, the present disclosure uses an electro-infrared filter, the electro-infrared filter operates in the visible light band according to the first control signal to filter out infrared light in visible light, and operates in the infrared light band according to the second control signal to through infrared light.

Optionally, when the imaging unit works in the visible light band, the photosensitive electrode of the imaging unit receives visible light, and after the visible light is photoelectrically converted, the electrodes are charged with negative and positive charges, and the electrical signals generated by these two complementary effects are captured by the imaging unit The pixels are sequentially extracted to the analog-to-digital converter in the imaging unit, and the imaging unit records the analog-to-digital converted signal and interprets it into an image. When the imaging unit works in the infrared light band, the imaging unit can determine the distance between the camera assembly and the user or the object according to the infrared light.

An embodiment of the present disclosure provides a camera assembly, wherein the lens group and the infrared emitter are arranged on the same side of the electro-infrared filter along the optical path of the lens group, and the imaging unit is arranged on the same side of the electro-infrared filter along the optical path of the lens group. The other side of the light sheet: the electro-infrared filter is configured to filter out visible light according to the first control signal to work in the visible light band, and to work in the infrared light band according to the second control signal to transmit infrared light. The imaging unit is configured to receive visible light transmitted through the electro-infrared filter and process the visible light when the electro-infrared filter works in the visible light band, and to process the visible light when the electro-infrared filter works in the infrared light band In the wavelength band, the infrared light transmitted through the electro-infrared filter is received, and the infrared light is processed. While realizing the camera function and infrared distance measurement function, the camera assembly combines the camera device and the infrared sensor into one, which can reduce the number of openings of the terminal using the camera assembly, save terminal space, and reduce terminal cost .

As shown in Figure 1, optionally, the camera assembly also includes: a protective film 14; the protective film 14, the infrared emitter and the lens group 11 are along the optical route of the lens group 11 from outside to inside Set in sequence; the protective film 14 is used to protect the infrared emitter. Alternatively, the protective film 14 , the lens group 11 and the infrared emitter are sequentially arranged from outside to inside along the optical path of the lens group 11 . The protective film 14 is used to protect the lens group 11 .

Optionally, the infrared emitter is in the shape of a point or a ring, so as to save the internal space of the terminal using the camera assembly.

Optionally, the camera assembly further includes: a focus motor 15 ; the focus motor 15 is disposed between the lens group 11 and the electro-infrared filter 12 .

Fig. 2 is a block diagram showing a terminal according to an exemplary embodiment, the terminal may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant Wait. The terminal includes: a camera assembly 21 and a processor 22, as shown in FIG. 1 and FIG. The infrared transmitter is arranged on the same side of the electro-infrared filter along the optical path of the lens group, and the imaging unit is arranged on the other side of the electro-infrared filter along the optical path of the lens group side; the processor is configured to output a first control signal or a second control signal to the electro-infrared filter; the electro-infrared filter is configured to filter out according to the first control signal Visible light, to work in the visible light band, and to work in the infrared light band according to the second control signal to transmit infrared light; the imaging unit is configured to operate when the electro-infrared filter works in the visible light band When the visible light passing through the electro-infrared filter is received, and the visible light is processed, and when the electro-infrared filter is working in the infrared light band, the electro-infrared filter is received from the electro-infrared The infrared light is passed through by the filter, and the infrared light is processed.

Optionally, when the imaging unit works in the visible light band, the photosensitive electrode of the imaging unit receives visible light, and after the visible light is photoelectrically converted, the electrodes are charged with negative and positive charges, and the electrical signals generated by these two complementary effects are captured by the imaging unit The pixels are sequentially extracted to the analog-to-digital converter in the imaging unit, and the imaging unit records the analog-to-digital converted signal and interprets it into an image. When the imaging unit works in the infrared light band, the imaging unit can determine the distance between the camera assembly and the user or the object according to the infrared light.

An embodiment of the present disclosure provides a terminal, which includes: a camera assembly and a processor, wherein the lens group and the infrared emitter in the camera assembly are arranged on the same side of the electro-infrared filter along the optical path of the lens group, and the imaging unit The electro-infrared filter is arranged on the other side of the electro-infrared filter along the optical path of the lens group; the electro-infrared filter is configured to filter out infrared light according to the first control signal to work in the visible light band, and to operate in the visible light band according to the second control signal Work in the infrared light band to transmit infrared light. The imaging unit is configured to receive visible light transmitted through the electro-infrared filter and process the visible light when the electro-infrared filter works in the visible light band, and to process the visible light when the electro-infrared filter works in the infrared light band In the wavelength band, the infrared light transmitted through the electro-infrared filter is received, and the infrared light is processed. While the terminal realizes the camera function and the infrared distance measurement function, the camera device and the infrared sensor are combined into one, which can reduce the number of openings of the terminal, save terminal space, and reduce terminal cost.

Optionally, the terminal further includes: a protective film; the protective film, the infrared emitter, and the lens group are sequentially arranged from outside to inside along the optical path of the lens group; the protective film is used to protect the infrared launcher. Alternatively, the protective film, the lens group and the infrared emitter are sequentially arranged from outside to inside along the optical path of the lens group. The protective film is used to protect the lens group.

Optionally, the infrared emitter is in the shape of a point or a ring, so as to save the internal space of the terminal using the camera assembly.

Optionally, the camera assembly further includes: a focus motor; the focus motor is arranged between the lens group and the electro-infrared filter to achieve focusing.

Optionally, the electro-infrared filter is connected to the processor through a connector.

Optionally, the camera component is a front camera component of the terminal, so as to reduce the number of openings on the front panel of the terminal.

Fig. 3 is a block diagram of a terminal 300 according to an exemplary embodiment. For example, the terminal 300 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

Referring to FIG. 3, the terminal 300 may include one or more of the following components: a processing component 302, a memory 304, a power supply component 306, a multimedia component 308, an audio component 310, an input/output (I/O) interface 312, a sensor component 314, and communication component 316 .

The processing component 302 generally controls the overall operations of the terminal 300, such as operations associated with display, phone calls, data communications, camera operations, and recording operations. The processing component 302 may include one or more processors 320 to execute instructions, for example, the processor 320 may send the first control signal and the second control signal to the above-mentioned electro-infrared filter. Additionally, processing component 302 may include one or more modules that facilitate interaction between processing component 302 and other components. For example, processing component 302 may include a multimedia module to facilitate interaction between multimedia component 308 and processing component 302 .

The memory 304 is configured to store various types of data to support operations at the terminal 300 . Examples of such data include instructions for any application or method operating on the terminal 300, contact data, phonebook data, messages, pictures, videos, etc. The memory 304 can be implemented by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.

The power supply component 306 provides power to various components of the terminal 300 . Power components 306 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for terminal 300 .

The multimedia component 308 includes a touch screen display providing an output interface between the terminal 300 and the user. In some embodiments, the touch display may include a liquid crystal display (LCD) and a touch panel (TP). The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense a boundary of a touch or swipe action, but also detect duration and pressure associated with the touch or swipe action. In some embodiments, the multimedia component 308 includes a front camera and/or a rear camera, the front camera includes: a lens group, an infrared emitter, an electro-infrared filter and an imaging unit; the lens group and the The infrared emitter is arranged on the same side of the electro-infrared filter along the optical path of the lens group, and the imaging unit is arranged on the other side of the electro-infrared filter along the optical path of the lens group One side; the electro-infrared filter is configured to work in the visible light band according to the first control signal to filter out infrared light in visible light, and to work in the infrared light band according to the second control signal to transmit infrared light; The imaging unit is configured to receive the visible light transmitted through the electro-infrared filter when the electro-infrared filter works in the visible light band, and process the visible light, and when the When the electro-infrared filter works in the infrared light band, it receives the infrared light transmitted through the electro-infrared filter and processes the infrared light.

The audio component 310 is configured to output and/or input audio signals. For example, the audio component 310 includes a microphone (MIC), which is configured to receive an external audio signal when the terminal 300 is in an operation mode, such as a call mode, a recording mode and a voice recognition mode. Received audio signals may be further stored in memory 304 or sent via communication component 316 . In some embodiments, the audio component 310 also includes a speaker for outputting audio signals.

The I/O interface 312 provides an interface between the processing component 302 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: home buttons, volume buttons, start button, and lock button.

The sensor component 314 includes one or more sensors for providing various aspects of a status assessment of the terminal 300 . For example, the sensor component 314 can detect the open/closed state of the terminal 300, the relative positioning of components, such as the display and the keypad of the device 300, and the sensor component 314 can also detect the position change of the terminal 300 or a component of the terminal 300 , the presence or absence of user contact with the terminal 300 , the orientation or acceleration/deceleration of the terminal 300 and the temperature change of the terminal 300 . The sensor assembly 314 may include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.

The communication component 316 is configured to facilitate wired or wireless communication between the terminal 300 and other devices. The terminal 300 can access a wireless network based on communication standards, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 316 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 316 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, terminal 300 may be programmed by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Realized by a gate array (FPGA), processor, microprocessor, microprocessor or other electronic components, it is used to execute the above-mentioned control method.

In an exemplary embodiment, there is also provided a non-transitory computer-readable storage medium including instructions, such as the memory 304 including instructions, which can be executed by the processor 320 of the terminal 300 to complete the above method. For example, the non-transitory computer readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

Other embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (9)

1. a kind of CCD camera assembly characterized by comprising lens group, infrared transmitter, electroluminescent infrared fileter and imaging are single Member；

The electroluminescent infrared fileter is arranged in along the optical path of the lens group with the infrared transmitter in the lens group The other side of the electroluminescent infrared fileter is arranged in along the optical path of the lens group for the same side, the imaging unit；

The electroluminescent infrared fileter, is configured as filtering out infrared light according to first control signal, to work in visible light wave range, And it is worked in infrared band according to second control signal to penetrate infrared light；

The imaging unit is configured as working when the electroluminescent infrared fileter in the visible light wave range, receive from institute The visible light penetrated in electroluminescent infrared fileter is stated, and according to the visual light imaging, and works as the electroluminescent infrared fileter work Make in the infrared band, receives the infrared light penetrated from the electroluminescent infrared fileter, and true according to the infrared light The fixed CCD camera assembly is at a distance from user or object.

2. CCD camera assembly according to claim 1, which is characterized in that further include: protective film；

The protective film, the infrared transmitter and the lens group are successively set from outside to inside along the optical path of the lens group It sets；Alternatively, the protective film, the lens group and the infrared transmitter along the lens group optical path from outside to inside successively Setting.

3. CCD camera assembly according to claim 1 or 2, which is characterized in that the infrared transmitter is dotted or circle It is cyclic annular.

4. CCD camera assembly according to claim 1 or 2, which is characterized in that further include: focusing motor；

The focusing motor is arranged between the lens group and the electroluminescent infrared fileter.

5. a kind of terminal characterized by comprising CCD camera assembly and processor, the CCD camera assembly include: lens group, Infrared transmitter, electroluminescent infrared fileter and imaging unit；

The electroluminescent infrared fileter is arranged in along the optical path of the lens group with the infrared transmitter in the lens group The other side of the electroluminescent infrared fileter is arranged in along the optical path of the lens group for the same side, the imaging unit；

The processor is configured as to the electroluminescent infrared filter output first control signal or second control signal；

The electroluminescent infrared fileter is configured as filtering out infrared light according to the first control signal, to work in visible light Wave band, and worked in infrared band according to the second control signal to penetrate infrared light；

The imaging unit is configured as working when the electroluminescent infrared fileter in the visible light wave range, receive from institute The visible light penetrated in electroluminescent infrared fileter is stated, and visible light is handled, and when the electroluminescent infrared fileter work In the infrared band, receive the infrared light penetrated from the electroluminescent infrared fileter, and to the infrared light at Reason.

6. terminal according to claim 5, which is characterized in that further include: protective film；

The protective film, the infrared transmitter and the lens group are successively set from outside to inside along the optical path of the lens group It sets；Alternatively, the protective film, the lens group and the infrared transmitter along the lens group optical path from outside to inside successively Setting.

7. terminal according to claim 5 or 6, which is characterized in that the infrared transmitter is dotted or circular.

8. terminal according to claim 5 or 6, which is characterized in that the electroluminescent infrared fileter is connected by connector Onto the processor.

9. terminal according to claim 5 or 6, which is characterized in that the CCD camera assembly is that the preposition of the terminal is taken the photograph As head assembly.