WO2020078277A1

WO2020078277A1 - Structured light support and terminal device

Info

Publication number: WO2020078277A1
Application number: PCT/CN2019/110798
Authority: WO
Inventors: 唐玮; 何瑛勇
Original assignee: 华为技术有限公司
Priority date: 2018-10-16
Filing date: 2019-10-12
Publication date: 2020-04-23
Also published as: CN109240024B; CN109240024A

Abstract

Disclosed are a structured light support (203) and a terminal device, relating to the technical field of terminals and being used for reducing interference with an antenna of the terminal device by the structured light support (203). The structured light support (203) is characterized by being applied to the terminal device, the terminal device comprising: a metal frame (201) located at the top of the terminal device, and an accommodating space (202) composed of the metal frame (201) and a middle frame (200) of the terminal device, wherein the structured light support (203) is located in the accommodating space (202) and the structured light support (203) is used for positioning a structured light module located in the terminal device; the part, located in a clearance zone of an antenna system of the terminal device, of the structured light support (203) is a non-metal part; and the part, located outside the clearance zone of the antenna system of the terminal device, of the structured light support (203) is a metal part.

Description

Structured light bracket and terminal equipment

Technical field

Embodiments of the present application relate to the technical field of terminals, and in particular, to a structured optical bracket and terminal equipment.

Background technique

The structured light module is an important component in the terminal equipment. The main function of the structured light module is to obtain the depth of field information of the shooting object, and at the same time to accurately model the camera in the shooting environment in order to achieve a better augmented reality effect. Structured light modules can implement advanced technologies such as depth testing and three-dimensional (3D) imaging, and can support applications such as Augmented Reality (AR) and Virtual Reality (VR), which are the most accurate in the industry. 3D solution. The structured light module is greatly affected by the strength of the module and its strict tolerances, and it is necessary to design strong protection and fixing brackets.

If you do not use the front case and middle frame of the terminal device to locate the structured light module, the cumulative tolerance will cause the unlocking angle during face recognition to be 10 ° smaller, and the depth accuracy is poor, which is very poor for users. In the current prior art, the structured light module is usually fixed inside the terminal device through the structured light bracket. However, the structured light bracket is usually made of metal. If the structured light bracket is close to the antenna area in the terminal device, the signal strength of the terminal device will be reduced.

Summary of the invention

The embodiments of the present application relate to a structured light bracket and terminal equipment, which are used to reduce the interference of the structured light bracket to the antenna in the terminal equipment.

In order to achieve the above purpose, the embodiments of the present application provide the following technical solutions:

In a first aspect, an embodiment of the present application provides a structured light bracket, which is applied to a terminal device. The terminal device includes: a metal frame on the top of the terminal device and a receiving space formed by the metal frame and a middle frame of the terminal device, the structured light bracket Located in the accommodation space, the structured light bracket is used to locate the structured light module located in the terminal device. The structured light bracket is a non-metallic part located in the clearance area of the antenna system of the terminal device. The part of the optical support located outside the clearance area of the antenna system of the terminal device is a metal piece.

The embodiments of the present application provide a structured light bracket. By locating the structured light bracket in the clearance area of the antenna system of the terminal device as a non-metallic part, this can ensure that when positioning the active light emitting module, it can be effectively reduced The interference of structured light bracket to the antenna. In addition, in the embodiments of the present application, the portion of the structured light bracket located outside the clearance area of the antenna system of the terminal device is a metal piece, which can ensure that the structured light bracket plays an effective role in protecting the active light-emitting module and fixing the bracket. effect.

With reference to the first aspect, in a first possible implementation manner of the first aspect, the non-metallic component includes a fixing portion, and the fixing portion is used to fix the non-metallic component on top of the metal component. In this way, the non-metallic member can be firmly fixed on the top of the metal member.

With reference to the first aspect or the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the fixing portion includes: a first fixing portion, a second fixing portion, and a first The third fixing part between the fixing part and the second fixing part, the first fixing part is used for fixing at the first end of the metal part, the second fixing part is used for fixing at the second end of the metal part, and the third fixing part is used It is fixed on the top of the metal parts. In this way, the non-metallic member can be firmly fixed on the top of the metal member.

With reference to any one of the first aspect to the second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the first fixing portion, the second fixing portion, and the third fixing portion It has a groove structure, which is used to fix the non-metallic parts on the metal parts.

With reference to any one of the first aspect to the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the length of the first fixing portion is smaller than the length of the second fixing portion .

With reference to any one of the first aspect to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the third fixing portion has at least one clamping structure, the card The connection structure is used for clamping the non-metallic parts on the metal parts.

With reference to any one of the first aspect to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, at least one clamping structure is distributed on the third fixing portion at equal intervals. This can make

With reference to any one of the first aspect to the sixth possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, the portion of the structured light bracket located in the clear space area of the antenna system and the antenna The part outside the clearance area of the system is an in-mold injection molded part.

With reference to any one of the first aspect to the seventh possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the structured optical support is located in a clear area of the antenna system of the terminal device The material of the part is plastic.

With reference to any one of the first aspect to the eighth possible implementation manner of the first aspect, in a ninth possible implementation manner of the first aspect, there is at least one space between the metal parts near the clearance area, the at least Any one of the intervals is used to separate the metal parts on both sides of the any one of the intervals, the non-metallic part further includes at least one convex structure, and any one of the at least one convex structure is at least One of the intervals is opposite, and any one of the convex structures is located in the interval corresponding to the any of the convex structures.

In a second aspect, an embodiment of the present application provides a terminal device. The terminal device includes a structured optical bracket as described in various possible implementation manners of the first aspect to the first aspect. The structured optical bracket is used to fix and protect the terminal Active light module inside.

BRIEF DESCRIPTION

1 is a schematic structural diagram of a mobile phone provided by an embodiment of the present application;

2 is a schematic diagram of a position of an active light emitting module in a terminal device provided by an embodiment of the present application;

3 is a schematic diagram of an active light emitting module provided by an embodiment of the present application;

4a is a schematic structural diagram of an active light emitting module provided by an embodiment of the present application;

4b is a top view of a supporting structure in an active light-emitting module provided by an embodiment of the present application;

5a is a schematic structural diagram 1 of a structured optical module provided by an embodiment of the present application;

5b is a second structural diagram of a structured optical module provided by an embodiment of the present application;

5c is a schematic structural diagram of a top antenna system for terminal equipment according to an embodiment of the present application;

6 is a schematic structural diagram of a structured optical support provided in a terminal device according to an embodiment of the present application;

7 is a schematic structural diagram 1 of a structured light support provided by an embodiment of the present application;

8 is a schematic structural diagram of a non-metallic member and a metal member according to an embodiment of the present application;

9 is a second schematic structural diagram of a structured light support provided by an embodiment of the present application;

10a is a schematic structural diagram 1 of a metal piece provided by an embodiment of the present application;

10b is a schematic structural diagram 3 of a structured light support provided by an embodiment of the present application;

10c is a second schematic structural diagram of a metal piece provided by an embodiment of the present application.

detailed description

In this application, "((English: of)", the corresponding "(English corresponding, relative)" and "corresponding (English: corresponding)" can sometimes be mixed, it should be noted that when the difference is not emphasized, its The meaning of the expression is consistent.

It should be noted that, in the embodiments of the present application, the words “exemplary” or “for example” are used as examples, illustrations or explanations. Any embodiments or design solutions described as “exemplary” or “for example” in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific manner.

In this application, "plurality" means two or more than two. "And / or", describing the relationship of related objects, indicating that there can be three relationships, for example, A and / or B, which can mean: A exists alone, A and B exist at the same time, B exists alone, where A, B can be singular or plural. The character "/" generally indicates that the related object is a "or" relationship. "At least one of the following" or a similar expression refers to any combination of these items, including any combination of single items or plural items. For example, at least one item (a) in a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, c can be a single or multiple . In addition, in order to facilitate a clear description of the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first" and "second" are used to distinguish the same or similar items that have substantially the same functions and functions. Those skilled in the art can understand that the words "first" and "second" do not limit the number and the execution order, and the words "first" and "second" do not necessarily mean different.

An embodiment of the present application provides a structured light bracket, which can be used in a terminal device. The structured light bracket is used to position a structured light module in the terminal device to fix and protect the structured light module. The terminal devices in the embodiments of the present application may be mobile phones, wearable devices, AR (augmented reality) \ VR (virtual reality) devices, tablet computers, notebook computers, ultra-mobile personal computers (Ultra-mobile Personal Computer (UMPC), netbooks , Personal Digital Assistant (Personal Digital Assistant, PDA), etc., the embodiments of the present application do not make any limitation on this.

As shown in FIGS. 1 and 2, the terminal device in the embodiment of the present application may be a mobile phone 100. The following uses the mobile phone 100 as an example to specifically describe the embodiment. It should be understood that the mobile phone 100 shown in FIGS. 1 and 2 is only an example of a terminal device, and the mobile phone 100 may have more or fewer parts than those shown in FIG. 1, and may combine two Or more components, or may have different component configurations.

As shown in FIG. 1, the mobile phone 100 may specifically include: a processor 101, a radio frequency (RF) circuit 102, a memory 103, a touch screen 104, a Bluetooth device 105, one or more sensors 106, a Wi-Fi device 107, a positioning The device 108, the audio circuit 109, the peripheral interface 110, and the power supply system 111 are components. These components can communicate through one or more communication buses or signal lines (not shown in FIG. 1). A person skilled in the art may understand that the hardware structure shown in FIG. 1 does not constitute a limitation on the mobile phone, and the mobile phone 100 may include more or fewer components than those illustrated, or combine certain components, or arrange different components.

The following describes the components of the mobile phone 100 in detail with reference to FIG. 1:

The processor 101 is the control center of the mobile phone 100, and uses various interfaces and lines to connect various parts of the mobile phone 100, by running or executing application programs (Application, App) stored in the memory 103, and calling data stored in the memory 103 , Execute various functions of the mobile phone 100 and process data. In some embodiments, the processor 101 may include one or more processing units. For example, the processor 101 may be a Kirin 960 chip manufactured by Huawei Technologies Co., Ltd. In some embodiments of the present application, the processor 101 may further include a fingerprint verification chip, which is used to verify the collected fingerprint.

The radio frequency circuit 102 can be used for receiving and sending wireless signals during the process of receiving and sending information or talking. In particular, the radio frequency circuit 102 may receive the downlink data of the base station and process it to the processor 101; in addition, send the data related to the uplink to the base station. Generally, the radio frequency circuit 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. In addition, the radio frequency circuit 102 can also communicate with other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to global mobile communication system, general packet radio service, code division multiple access, broadband code division multiple access, long-term evolution, e-mail, and short message service.

The memory 103 is used to store application programs and data, and the processor 101 executes various functions and data processing of the mobile phone 100 by running the application programs and data stored in the memory 103. The memory 103 mainly includes a storage program area and a storage data area, wherein the storage program area can store an operating system and at least one function required application programs (such as sound playback function, image playback function, etc.); Data created at 100 (such as audio data, phone book, etc.). In addition, the memory 103 may include a high-speed random access memory, and may also include a non-volatile memory, such as a magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices. The memory 103 can store various operating systems, for example, developed by Apple

Operating system, developed by Google

Operating system, etc.

It should be understood that the above-mentioned memory 103 may be independent and connected to the processor 101 through the above-mentioned communication bus. The memory 103 may also be integrated with the processor 101.

The touch screen 104 may include a touch panel 104-1 and a display 104-2. Among them, the touchpad 104-1 can collect touch events on or near the user of the mobile phone 100 (for example, the user uses any suitable object such as a finger, a stylus, etc. on the touchpad 104-1 or on the touchpad 104 -1 near operation), and send the collected touch information to other devices such as the processor 101.

Among them, the user's touch event in the vicinity of the touchpad 104-1 can be called floating touch. Floating touch can mean that the user does not need to directly touch the touchpad in order to select, move, or drag objects (such as icons, etc.), but only needs the user to be near the electronic device in order to perform the desired function. In the application scenario of floating touch, the terms "touch", "contact", etc. do not imply direct contact with the touch screen, but near or close contact.

Specifically, two capacitive sensors may be provided in the touch panel 104-1, namely, a mutual capacitance sensor and a self-capacitance sensor. The two capacitive sensors may be alternately arranged in an array on the touch panel 104-1. Among them, the mutual capacitance sensor is used to realize the normal traditional multi-touch, that is, detect the gesture of the user when touching the touch panel 104-1. The self-capacitance sensor can generate a stronger signal than the mutual capacitance, thereby detecting the finger induction farther from the touchpad 104-1. Therefore, when the user's finger is hovering on the screen, the signal generated by the self-capacitance sensor is larger than the signal generated by the mutual capacitance sensor, so that the mobile phone 100 can detect that it is above the screen, for example, above the touchpad 104-1 The user's gesture at 20mm.

The touch panel 104-1 capable of floating touch can be realized by capacitive, infrared light sensing, and ultrasonic waves. In addition, the touch panel 104-1 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. The display (also referred to as a display screen) 104-2 may be used to display information input by the user or provided to the user and various menus of the mobile phone 100. The display 104-2 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The touchpad 104-1 can be overlaid on the display 104-2. When the touchpad 104-1 detects a touch event on or near it, it is transmitted to the processor 101 to determine the type of touch event, and then the processor 101 may provide corresponding visual output on the display 104-2 according to the type of touch event.

Although in FIG. 1, the touchpad 104-1 and the display screen 104-2 are used as two independent components to realize the input and output functions of the mobile phone 100, in some embodiments, the touchpad 104- 1 Integrated with the display screen 104-2 to realize the input and output functions of the mobile phone 100.

It can be understood that the touch screen 104 is formed by stacking multiple layers of materials. Only the touch panel (layer) and the display screen (layer) are shown in the embodiments of the present application, and other layers are not described in the embodiments of the present application. . In addition, in some other embodiments of the present application, the touchpad 104-1 may cover the display 104-2, and the size of the touchpad 104-1 is larger than the size of the display 104-2, so that the display 104- 2 All covered under the touchpad 104-1, or the touchpad 104-1 can be configured on the front of the mobile phone 100 in the form of a full board, that is, the user's touch on the front of the mobile phone 100 can be sensed by the mobile phone, so You can achieve a full touch experience on the front of the phone. In some other embodiments, the touchpad 104-1 is arranged on the front of the mobile phone 100 in the form of a full board, and the display screen 104-2 may also be arranged on the front of the mobile phone 100 in the form of a full board, so that the front of the phone It can realize the structure without border.

In the embodiment of the present application, the mobile phone 100 may also have a fingerprint recognition function. For example, the fingerprint collection device 112 may be configured in the touch screen 104 to implement the fingerprint recognition function, that is, the fingerprint collection device 112 may be integrated with the touch screen 104 to implement the fingerprint recognition function of the mobile phone 100. In this case, the fingerprint collecting device 112 is configured in the touch screen 104, and may be a part of the touch screen 104, or may be configured in the touch screen 104 in other ways. In addition, the fingerprint collection device 112 can also be implemented as a full-board fingerprint collection device. Therefore, the touch screen 104 can be regarded as a panel that can perform fingerprint recognition at any position. The fingerprint collecting device 112 may send the collected fingerprint to the processor 101, so that the processor 101 processes the fingerprint (eg, fingerprint verification, etc.). The main component of the fingerprint collection device 112 in the embodiment of the present application is a fingerprint sensor, which may use any type of sensing technology, including but not limited to optical, capacitive, piezoelectric, or ultrasonic sensing technology.

The mobile phone 100 may also include a Bluetooth device 105 for implementing data exchange between the mobile phone 100 and other short-range terminals (such as mobile phones, smart watches, etc.). The Bluetooth device 105 in the embodiment of the present invention may be an integrated circuit or a Bluetooth chip.

The mobile phone 100 may also include at least one sensor 106, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display screen of the touch screen 104 according to the brightness of the ambient light, and the proximity sensor may close the display screen when the mobile phone 100 moves to the ear Power supply. As a type of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when at rest, and can be used to identify mobile phone gesture applications (such as horizontal and vertical screen switching, related Games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tap), etc. As for the gyro, barometer, hygrometer, thermometer, infrared sensor and other sensors that can be configured on the mobile phone 100, they will not be repeated here.

The Wi-Fi device 107 is used to provide the mobile phone 100 with network access following Wi-Fi related standard protocols. The mobile phone 100 can be connected to the Wi-Fi access point through the Wi-Fi device 107, thereby helping the user to send and receive emails, Browsing web pages and accessing streaming media, etc., it provides users with wireless broadband Internet access. In some other embodiments, the Wi-Fi device 107 may also serve as a Wi-Fi wireless access point, and may provide Wi-Fi network access for other terminals.

The positioning device 108 is used to provide a geographic location for the mobile phone 100. It can be understood that the positioning device 108 may specifically be a receiver of a positioning system such as a Global Positioning System (Global Positioning System, GPS), a Beidou satellite navigation system, or Russian GLONASS. After receiving the geographic location sent by the positioning system, the positioning device 108 sends the information to the processor 101 for processing, or to the memory 103 for storage. In some other embodiments, the positioning device 108 may also be a receiver of an assisted global positioning system (Assisted Global Positioning System, AGPS). The AGPS system assists the positioning device 108 to complete ranging and positioning services by acting as an auxiliary server. In this case, the auxiliary positioning server communicates with the positioning device 108 (that is, the GPS receiver) of the terminal device (for example, the mobile phone 100) through a wireless communication network to provide positioning assistance. In some other embodiments, the positioning device 108 may also be a positioning technology based on Wi-Fi access points. Since each Wi-Fi access point has a globally unique MAC address, the terminal can scan and collect broadcast signals from surrounding Wi-Fi access points when Wi-Fi is turned on, so Wi-Fi access points can be obtained The MAC address broadcast by the Fi access point. The terminal device (such as the mobile phone 100) sends the data (such as the MAC address) that can mark the Wi-Fi access point to the location server through the wireless communication network, and the location server retrieves the geographic location of each Wi-Fi access point. Combined with the strength of the Wi-Fi broadcast signal, the geographic location of the mobile phone 100 is calculated and sent to the positioning device 108 of the mobile phone 100, for example.

The audio circuit 109, the speaker 113, and the microphone 114 may provide an audio interface between the user and the mobile phone 100. The audio circuit 109 may transmit the converted electrical signal of the received audio data to the speaker 113, where the speaker 113 converts it into a sound signal and outputs it. On the other hand, the microphone 114 converts the collected sound signal into an electrical signal, which is received by the audio circuit 109 and then converted into audio data, and then outputs the audio data to the RF circuit 102 to be sent to, for example, another mobile phone, or outputs the audio data to Memory 103 for further processing.

The peripheral interface 110 is used to provide various interfaces for external input / output devices (such as a keyboard, a mouse, an external display, an external memory, a user identification module card, etc.). For example, it is connected to a mouse through a universal serial bus (USB) interface, and is connected to a user identification module card (SIM) card provided by a telecom operator through metal contacts on the card slot of the user identification module. The peripheral interface 110 may be used to couple the above-mentioned external input / output peripheral devices to the processor 101 and the memory 103.

The mobile phone 100 may further include a power supply device 111 (such as a battery and a power management chip) that supplies power to various components. The battery may be logically connected to the processor 101 through the power management chip, so that the power supply device 111 can manage charging, discharging, and power consumption management. And other functions.

Although not shown in FIG. 1, the mobile phone 100 may further include a camera (front camera and / or rear camera), a flash, a micro-projection device, a Near Field Communication (NFC) device, etc., which will not be repeated here.

For a terminal device such as the mobile phone 100 described above, a 3D sensing module may be integrated therein to enable the terminal device to realize a 3D sensing function. Ordinary digital cameras can only obtain flat color images without the depth information of the images. This means that when we see a photo, we only know how wide and high this person's face is, but we don't know the three-dimensional structure of his face, for example: the height of the nose bridge relative to the cheek, the depth of the eye socket relative to the cheek, etc. Obtain the depth information of the image through 3D sensing, so that the terminal device realizes face recognition or gesture control, for example, by recognizing the user's facial features to unlock the phone, or when the user makes a waving gesture in front of the terminal device, it can be controlled The terminal device deletes emails, etc.

The technologies to realize 3D sensing mainly include the following two types:

(1) TOF (Time of Flight) technology: the use of high-power lasers (such as single-point vertical cavity surface emitting laser (Vertical-Cavity Surface-Emitting Laser, VCSEL) emits infrared light laser to irradiate the surface of the object The laser light is reflected by the surface of the object, and the reflected laser light is captured by the infrared light image sensor. Because the speed of light of the laser light is known, the infrared light image sensor can be used to measure the time of the reflected laser light at different depths on the surface of the object to calculate the object The distance (depth) of different positions on the surface.

(2) Structured light technology: using laser to produce different light patterns (lights with certain structural characteristics, called structured light), after the light pattern is projected on the surface of the object, it is reflected and reflected by the position of the object surface at different depths After the light pattern will appear distorted. For example, the laser struck a straight stripe of light onto the finger. Because the surface of the finger is a three-dimensional circular arc, the stripe reflected by the straight stripe after the curved finger surface becomes a circular arc stripe. After the arc-shaped stripes are captured by the infrared light image sensor, the terminal can reverse the three-dimensional structure of the finger according to the reflected arc-shaped stripes.

As shown in FIG. 2, taking the mobile phone 100 as an example, a TOF or structured light 3D sensing module may be provided on the top of the mobile phone 100, such as the “bangs” position of the mobile phone 100 (that is, the area AA shown in FIG. 2).

As shown in FIG. 3, taking the structured light 3D sensing module 115 integrated in the mobile phone 100 as an example, the structured light 3D sensing module 115 is arranged in the mobile phone 100 as follows: the structured light 3D sensing module 115 includes an infrared light camera 115 -1, floodlight illuminator 115-2, proximity sensor 115-3, audio outlet 115-6, infrared image sensor 115-4 and dot matrix projector 115-5 and other modules. Among them, the flood illuminator 115-2 includes a low-power laser (such as a VCSEL) and a uniform light sheet. The dot matrix projector 115-5 includes a high-power laser (such as VCSEL) and diffractive optical components. It should be understood that FIG. 3 is only an example of the structured light 3D sensing module 115. In practice, the positions of the components in the structured light 3D sensing module 115 may also be arranged in other ways. For example, the positions of the infrared light camera 115-1 and the infrared image sensor 115-4 are interchanged.

Exemplarily, the face recognition process of the structured light 3D sensing module 115 described above is as follows: When an object (such as a human face) approaches the mobile phone 100, the proximity sensor 115-3 senses that an object approaches the mobile phone 100, thereby The processor 101 of 100 sends out a signal that an object is approaching. The processor 101 receives the signal that an object is approaching, and controls the flood illuminator 115-2 to start. The low-power laser in the flood illuminator 115-2 projects infrared laser light onto the surface of the object. The surface of the object reflects the infrared laser light projected by the floodlight 115-2. The infrared camera 115-1 captures the infrared laser light reflected by the surface of the object, thereby acquiring image information on the surface of the object, and then capturing the obtained image The information is uploaded to the processor 101. The processor 101 determines whether the object close to the mobile phone 100 is a human face according to the uploaded image information.

When the processor 101 determines that the object close to the mobile phone 100 is a human face, the dot matrix projector 115-5 is controlled to start. The high-power laser in the dot matrix projector 115-5 emits infrared laser light. These infrared lasers form many (such as about 30,000) structures through the action of the diffractive optical components in the dot matrix projector 115-5. The spot of light is projected onto the surface of the human face. The array formed by these structured light spots is reflected at different positions on the face surface, and the infrared light camera 115-1 captures the structured light spots reflected by the face surface, thereby obtaining depth information at different positions on the face surface, Then, the acquired depth information is uploaded to the processor 101. The processor 101 compares and calculates the uploaded depth information with the user's facial feature data pre-stored in the mobile phone 100 to identify whether the face close to the mobile phone 100 is the user's face of the mobile phone 100, and if so, then The mobile phone 100 is controlled to be unlocked; if not, the mobile phone 100 is controlled to remain locked.

TOF or structured light 3D sensing modules include modules capable of emitting laser light, for example: TOF 3D sensing module includes a high-power laser module, structured light 3D sensing module 115 dot matrix projector 115-5 and floodlight illuminator 115-2, hereinafter referred to as such modules as active light-emitting modules. By integrating active light-emitting modules such as structured light, TOF (Time of Flight) in the terminal, 3D sensing functions can be realized.

As shown in FIG. 4a, a typical structure of the active light-emitting module 1 is shown. The active light-emitting module 1 mainly includes: an optical element 11, a laser 12, a microprocessor (MCU, Microcontroller Unit) 13 and a module housing 14 . The module housing 14 includes a bottom substrate 14-2, a side wall 14-1 and a supporting structure 14-3. Please refer to FIG. 4b. The supporting structure 14-3 is a ring-shaped structure, and the ring is disposed on the side wall 14-1 On the inner surface, a clear aperture GG is formed. The laser 12 and the microprocessor 13 are installed on the bottom substrate 14-2. The microprocessor 13 is connected to the processor integrated on the main board of the terminal. Exemplarily, if the active light emitting module 1 is applied to the mobile phone 100, the active The microprocessor 13 of the light emitting module 1 is connected to the processor 101 of the mobile phone 100. The edge of the optical element 11 is fixed to the surface of the supporting structure 14-3 facing away from the laser 12 by viscose 17. The microprocessor 13 is connected to the laser 12 and controls the laser 12 to emit laser light, and the laser light is emitted out of the active light-emitting module 1 through the optical element 11 through the clear aperture GG. The active light-emitting module 1 is installed in a terminal such as a mobile phone 100, and its laser 12 side (ie, light-emitting side) is close to the inside of the terminal, and the optical element 11 side (ie, light-emitting side) faces the outside of the terminal to project laser light outward.

In the active light-emitting module 1, the type of the laser 12 may specifically be VCSEL, DFB (Distributed Feedback, Laser, distributed feedback laser, edge emitting laser, etc. The type of the optical element 11 may specifically be uniform light sheet, diffractive optical component, Fresnel Lens, etc. Exemplarily, if the active light-emitting module 1 is a module including a high-power laser in the TOF 3D sensing module, the optical element 11 may specifically be a uniform light sheet. If the active light-emitting module 1 is structured light For the dot matrix projector in the 3D sensing module, the optical element 11 may specifically be a diffractive optical component (DOE). If the active light emitting module 1 is a floodlight illuminator in the structured light 3D sensing module, the optical element 11 may Can be a uniform light film.

It should be understood that the structured light bracket has through holes corresponding to each device in the structured light 3D sensing module 115. Each device may protrude through its corresponding through hole. Exemplarily, as shown in FIG. 5a, the structured light support may be a stamped stainless steel structure support. In FIG. 5a, a first through hole 2034, a second through hole 2035, a third through hole 2036, and a fourth through hole 2037 are included. The first through hole 2034 is opposite to the laser emitter, the second through hole 2035 is opposite to the front camera, and the third through hole 2036 can be opposite to the audio outlet of the active light emitting module. The fourth through hole 2037 is opposite to the infrared camera.

Exemplarily, the structured light bracket uses a die-cast steel bracket as shown in FIG. 5b. In FIG. 5b, the first through hole 2034, the second through hole 2035, the third through hole 2036, and the fourth through hole 2037 are included. The first through hole 2034 is opposite to the laser emitter in the active light emitting module, the second through hole 2035 is opposite to the front camera in the active light module, and the third through hole 2036 corresponds to the audio in the active light module At the exit, the fourth through hole 2037 is opposite to the infrared camera in the active light emitting module.

As shown in FIG. 5c, FIG. 5c shows the antenna arrangement on the top of the terminal device in the prior art. As shown in FIG. 5c, the top antenna of the terminal device includes Module 1 and Module 2. The antenna radiator of Module1 includes a top left slot 101 and metal frames on both sides of the top left slot 101: a metal frame 102 and a metal frame 103. The antenna radiator of Module2 includes a top right slot 104 and metal frames on both sides of the top right slot 104: metal frame 105 and metal frame 106. In the actual use of the terminal device, if the structured light bracket made of pure metal is used to locate the active light-emitting module inside the terminal device, although the structured light bracket made of pure metal can guarantee a certain strength, the structured light bracket is usually located The top of the terminal device, and an antenna is also arranged on the top of the terminal device. Therefore, if the structured light bracket is close to the antenna area in the terminal device, the signal strength of the mobile phone will be reduced by 6db.

In response to the above problems, the embodiments of the present invention provide a structured optical bracket. As shown in FIG. 6, the structured optical bracket is applied to a terminal device. The terminal device includes: a metal frame 201 on the top of the terminal device and a metal frame 201 The receiving space 202 formed by the middle frame 200 of the terminal device, the structured light bracket 203 is located in the receiving space 202, and the structured light bracket 203 is used for the active light emitting module located in the terminal device (it should be understood that the active light is not shown in FIG. 6 Light-emitting module) for positioning, the structured light bracket 203 located in the clearance area of the antenna system of the terminal device is a non-metallic part (for example, the section with hatching in FIG. 6), and the structured light bracket 203 is located in the antenna system of the terminal device The parts outside the headroom are metal parts.

It should be understood that the structured light bracket 203 in the embodiment of the present application includes a metal part and a non-metal part on the top of the metal part.

It should be understood that the metal frame 201 in the embodiment of the present application includes a first frame 2011, a second frame 2012, and a third frame 2013 located between the first frame 2011 and the second frame 2012. The accommodating space 202 in the embodiment of the present application specifically refers to an accommodating space formed by a portion corresponding to the third frame 2013 and the middle frame 200. In FIG. 6, taking an interval between any two adjacent frames (for example, the third frame 2013 has an interval between the first frame 2011 and the second frame 2012) as an example, in the actual process, the third frame 2013 and There may be no space between the first frame 2011 and the second frame 2012. When there is a gap between any two adjacent frames, the isolation problem between multiple antennas can be solved, thereby improving the performance of the antenna.

It should be understood that, in FIG. 6, the structure shown in FIG. 5 b is used as an example for the structured light bracket 203.

Specifically, as shown in FIG. 7, when the structured light bracket 203 is located in the accommodating space 202, the portion of the structured light bracket 203 located in the clearance area of the antenna system is made of non-metallic material, and the structured light bracket 203 is located outside the antenna system The part is made of metal. In this way, interference of the structured light bracket 203 to the antenna system of the terminal device can be avoided.

The material of the portion of the structured light bracket 203 located outside the antenna system in the embodiment of the present application may be any of stainless steel, powder metallurgy, and liquid metal.

As an embodiment of the present application, in order to enable the non-metallic member and the metal member to be reliably combined, the non-metallic member in the embodiment of the present application includes a fixing portion, and the fixing portion is used to fix the non-metallic member on top of the metal member.

Exemplarily, as shown in FIG. 8, the fixing portion includes: a first fixing portion 301, a second fixing portion 302, and a third fixing portion 303 between the first fixing portion 301 and the second fixing portion 302, the first The fixing portion 301 is used to fix the first end of the metal piece, the second fixing portion 302 is used to fix the second end of the metal piece, and the third fixing portion 303 is used to fix the top of the metal piece. It should be understood that, in order to clearly show the specific structure of the non-metallic part, FIG. 8 takes the non-metallic part and the metal part as two parts as an example. When the fixing part connects the non-metallic part and the metal part into a whole, the structure light The specific structure of the bracket 203 is shown in FIG. 9. The first end and the second end of the metal piece are opposite to each other. The first fixing portion 301 and the second fixing portion 302 are located at both ends of the third fixing portion 303 respectively. One end of the third fixing portion 303 is vertically connected to the first fixing portion 301, and the other end of the first fixing portion 301 is vertically connected to the second fixing portion 302. It should be understood that the connection between one end of the third fixing portion 303 and the first fixing portion 301 is curved, and the connection between the other end of the first fixing portion 301 and the second fixing portion 302 is curved.

In order to make the non-metallic component and the metal component combined into a structured light support without affecting the normal operation of the active light emitting module, the portion of the non-metallic component fixed to the metal component in the embodiment of the present application may be designed based on the specific shape of the metal component. For example, as shown in FIG. 8, the cross-sectional shape of the position of the non-metallic member opposite to the through hole 2035 along the direction perpendicular to the structured light support is arc-shaped.

Exemplarily, the first fixing portion 301, the second fixing portion 302, and the third fixing portion 303 have a groove structure, and the groove structure is used to fix the non-metallic member to the metal member.

For example, in order to prevent the non-metallic piece from falling off the metal piece, specifically, the width of the groove structure on the first fixing portion 301 may be equal to the width of the first end. The width of the groove structure on the third fixing portion 303 may be equal to the width of the top of the non-metallic member. The width of the groove structure on the second fixing portion 302 may be equal to the width of the second end.

It should be understood that if the width of the top of the non-metallic member is not consistent, the groove structure on the third fixing portion 303 may be designed based on the specific shape of the top of the non-metallic member, so that the groove structure on the top of the non-metallic member and the third fixing portion 303 is zero Match. For example, if the width of a certain area C1 on the top of the non-metallic piece is A, the width of the groove structure corresponding to the certain area C1 on the third fixing portion 303 is also A. If a certain area C2 on the top of the non-metallic piece If the width is B, the width of the groove structure corresponding to the certain region C2 on the third fixing portion 303 is also B. The width of the groove structure on the first fixing portion 301 / the second fixing portion 302 can also be specifically designed based on the description herein, which is not limited in the embodiments of the present application.

Exemplarily, the length of the first fixing portion is smaller than the length of the second fixing portion. This is because in the actual process, there may be other metal parts on the frame. In order to prevent other metal parts from directly contacting the structured light bracket, the second fixing part also uses a non-metallic part.

In another embodiment of the present application, in order to increase the bonding force between the metal member and the non-metallic member, as shown in FIGS. 8 and 9, in the embodiment of the present application, there is at least one card on the third fixing portion 303 In the connection structure (for example, the clamping structure 401 to the clamping structure 405 in FIG. 8), the at least one clamping structure is used to clamp the non-metallic member on the metal member. It should be understood that when the metal member and the non-metallic member are combined into the structured light support 203, the structured light support 203 should not affect the normal operation of the active light emitting module. For example, the clamping structure near the through hole of any metal piece is located outside the through hole.

It should be understood that FIGS. 8 and 9 only show at least one clamping structure on the front of the third fixing portion 303. In the actual process, the back surface of the third fixing portion 303 also has at least one clamping structure. The position of the at least one clamping structure on the back of the third fixing portion 303 and the position of the at least one clamping structure on the front of the third fixing portion 303 may be staggered or opposite, which is not limited in the embodiments of the present application. When the positions of the at least one catching structure on the back of the third fixing portion 303 and the position of the at least one catching structure on the front of the third fixing portion 303 are staggered from each other, the bonding force between the metal member and the non-metallic member can be further improved. The front surface of the third fixing portion 303 may be the front surface of the structured light bracket. The front surface of the structured light bracket is aligned with the top surface of the active light-emitting module, that is, the top surface of the active light-emitting module is the direction of the optical axis of the active light-emitting module. The back surface of the front surface of the third fixing portion 303 may be the back surface of the structured light bracket, and the back surface of the structured light bracket is the side opposite to the front surface of the structured light bracket.

Exemplarily, the at least one clamping structure may be a pull-glue structure. The embodiment of the present application does not limit the shape of at least one clamping structure. For example, the shape of the at least one clamping structure extending perpendicular to the cross section of the structured light bracket 203 is at least one of a trapezoid, a rectangle, a circle, or an irregular shape.

Please continue to refer to FIG. 8. In the embodiment of the present application, the non-metallic member is provided with a finite position structure at a position opposite to each clamping structure in at least one clamping structure. For example, the limit structure 501 to the limit structure 505 in FIG. 8. Any one of the at least one limiting structure is used in conjunction with the clamping structure corresponding to the limiting structure to increase the bonding force between the non-metallic member and the metal member.

Exemplarily, any one limiting structure has the same shape as the clamping structure corresponding to the limiting structure. For example, if the shape of the clamping structure 403 is a trapezoid, the shape of the limiting structure 503 is also a trapezoid. The shape of the clamping structure 404 is a trapezoid, and the shape of the limiting structure 504 is also a trapezoid.

Exemplarily, the limiting structure in the embodiment of the present application may be a groove provided on the non-metallic member.

For example, taking the limiting structure as a groove and the glue structure of the clamping structure as an example, any groove provided on the non-metallic member is matched with the glue structure corresponding to the groove.

As another embodiment of the present application, in order to evenly distribute the bonding force between the non-metallic member and the metal member, at least one clamping structure in the embodiment of the present application is distributed on the third fixing portion at equal intervals. Of course, at least one clamping structure may also be distributed on the third fixing portion in unequal intervals, which is not limited in the embodiment of the present application.

As another embodiment of the present application, the portion of the structured light bracket located in the clearance area of the antenna system and the portion located outside the clearance area of the antenna system are in-mold injection molded parts.

As another embodiment of the present application, the material of the structured light bracket located in the clearance area of the antenna system of the terminal device is plastic. By using plastic for the material of the structured light bracket located in the clearance area of the antenna system of the terminal device, the interference of the structured light bracket to the antenna can be effectively reduced.

As yet another embodiment of the present application, although the portion of the structured light bracket that is located outside the clearance area of the antenna system is a metal piece, in the actual process, if the performance requirements of the antenna system are high, there may be metal in the structured light bracket In order to further reduce the interference of the structured light bracket to the antenna system, as shown in FIG. 10a, there is at least one interval Q in the portion of the metal member near the clearance area in this embodiment of the present application, and any interval in at least one interval Q is used to separate the metal pieces on both sides of any interval Q. As shown in FIG. 10b, the non-metallic member further includes at least one raised structure P (for example, a lattice framed by an elliptical dotted line in FIG. 10b), any of the raised structures P in at least one raised structure and at least one space Q One interval Q is opposite, and any one convex structure P is located in the interval corresponding to any one convex structure P.

It should be understood that the parts of the metal member near the clearance area are disconnected from each other, and the disconnected parts may cooperate with the raised structure on the non-metallic member to be combined into a structured light bracket.

Exemplarily, as shown in FIG. 10a, the embodiment of the present application sets a spacing Q on the metal member close to the clearance area (for example, disconnecting the through holes corresponding to the laser emitters on the metal piece near the clearance area from each other).

It should be understood that FIG. 10a only takes the example that the borders of the through holes corresponding to the laser emitters on the metal parts near the clearance area are disconnected from each other. In the actual process, as shown in FIG. 10c, the borders of the through holes corresponding to the front camera on the metal parts near the clearance area can also be disconnected from each other. For another example, the frames corresponding to the audio holes on the metal parts near the clearance area are disconnected from each other, and the frames corresponding to the infrared sensor through holes near the clearance area of the antenna system are disconnected from each other. Not limited.

It should be understood that no matter which part of the frame in the clearance area where the metal member is close to the antenna system is disconnected from each other, a space is formed. In the embodiment of the present application, a protrusion structure will be provided at a position opposite to the space in the non-metallic member. The material of the raised structure is also a non-metallic material.

Based on the above description of the structured light support provided by the embodiments of the present invention, an embodiment of the present invention also provides a terminal device, which includes the structured light support provided by any one of the drawings of FIGS. 6-10c of the embodiment of the present invention The structured light bracket is used to locate the active light emitting module located in the terminal device. The structured light bracket includes a metal piece and a non-metallic piece located on the top of the metal piece. When the structured light bracket is installed inside the terminal device, the structured light bracket includes the metal piece located outside the clearance area of the antenna system. The structured light bracket includes The non-metallic parts are located in the clear area of the antenna system.

It should be noted that the embodiments of the present application only show the structured light bracket shown in FIGS. 5a and 5b. In a specific embodiment, the structured light bracket may also adopt other structures than those shown in FIGS. 5a and 5b. Regardless of the specific structure of the structured light bracket, when the structured light bracket locates the active light emitting module in the terminal device, the structured light bracket can be designed as a non-metallic part in the clearance area of the antenna system, and the structured light bracket The part located outside the clearance area of the antenna system is designed as a metal piece. On the one hand, it can reduce the interference of the structured light bracket to the antenna system. On the other hand, it can play the role of fixing and protecting the active light emitting module.

It can be understood that, in order to realize the above-mentioned functions, the above-mentioned terminal device or the like includes a hardware structure and / or a software module corresponding to each function. Those skilled in the art should easily realize that, in combination with the exemplary units and algorithm steps described in the embodiments disclosed herein, the embodiments of the present invention can be implemented in the form of hardware or a combination of hardware and computer software. Whether a function is executed by hardware or computer software driven hardware depends on the specific application and design constraints of the technical solution. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the embodiments of the present invention.

The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to this, any changes or replacements within the technical scope disclosed by the present invention should be covered within the scope of protection of the present invention . Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

A structured light bracket, characterized in that it is applied to a terminal device, the terminal device includes: a metal frame on the top of the terminal device and a receiving space formed by the metal frame and a middle frame of the terminal device, The structured light bracket is located in the accommodating space, the structured light bracket is used for positioning the structured light module located in the terminal equipment, and the structured light bracket is located in a clear area of the antenna system of the terminal equipment The inner part is a non-metallic part, and the part of the structured light bracket located outside the clearance area of the antenna system of the terminal device is a metal part.
The structured light support of claim 1, wherein the non-metallic member includes a fixing portion, and the fixing portion is used to fix the non-metallic member on top of the metal member.
The structured light bracket according to claim 2, wherein the fixing portion comprises: a first fixing portion, a second fixing portion, and a first fixing portion between the first fixing portion and the second fixing portion Three fixing parts, the first fixing part is used for fixing at the first end of the metal piece, the second fixing part is used for fixing at the second end of the metal piece, and the third fixing part is used for It is fixed on the top of the metal piece.
The structured light bracket according to claim 3, wherein the first fixing portion, the second fixing portion, and the third fixing portion have a groove structure, and the groove structure is used to The metal piece is fixed on the metal piece.
The structured light bracket according to claim 3 or 4, wherein the length of the first fixing portion is smaller than the length of the second fixing portion.
The structured light bracket according to any one of claims 3-5, wherein the third fixing portion has at least one clamping structure, and the clamping structure is used to clamp the non-metallic member to On the metal piece.
The structured light bracket according to claim 6, wherein the at least one clamping structure is distributed on the third fixing portion at equal intervals.
The structured light support according to any one of claims 1-7, wherein the structured light support is located in a portion of the antenna system's clear space area and a portion of the antenna system's clear space area is a module Internal injection molding.
The structured light support according to any one of claims 1-8, wherein the material of the structured light support located in the clearance area of the antenna system of the terminal device is plastic.
The structured light bracket according to any one of claims 1-9, wherein at least one space exists in a portion of the metal member near the clearance area, and any one of the at least one space is used The metal parts on both sides of the space are separated, and the non-metallic parts further include at least one raised structure, any one of the at least one raised structure is opposite to one of the at least one space, The raised structure is located in the space corresponding to any one of the raised structures.
A terminal device, characterized in that the terminal device includes the structured light bracket according to any one of claims 1 to 10, and the structured light bracket is used to fix and protect the active light located in the terminal device Module.