Electronic device

Abstract

The embodiment of the application provides an electronic device, and relates to the field of consumer electronics. The electronic device comprises a cover plate, a structured light assembly and an ink layer. The cover plate comprises a light-in surface and a light-out surface opposite to each other, and the light-in surface comprises a display area and a non-display area surrounding the display area. The structured light assembly comprises an emitter assembly, the emitter assembly comprises an emitter and a light guide piece, the light guide piece is attached to the non-display area, the emitter is configured to emit a light beam towards the light guide piece, and the ink layer covers the non-display area except the light guide piece. The electronic device provided by the embodiment of the application sets the light guide piece in the emitter assembly of the structured light assembly below the non-display area of the cover plate, so that the light beam emitted by the emitter assembly is emitted from the non-display area of the cover plate. Therefore, it is not necessary to punch a hole in the display area of the cover plate corresponding to the emitter assembly, so that the punching area of the display screen can be reduced, and the display effect of the display screen can be improved.

Description

electronic devices Technical Field

[0001] This application relates to the field of consumer electronics, specifically to an electronic device. Background Technology

[0002] In related technologies, smartphones and other electronic devices can acquire users' facial features by incorporating structured light components for user authentication and other operations. Typically, the structured light component is located on the front of the electronic device for user convenience. However, the front of these devices usually houses a display screen, which is often quite large to maximize screen-to-body ratio, creating a conflict with the structured light component placement. Some electronic devices use a hole-punch method below the display screen to house the structured light component; however, this method, due to the large opening area, may negatively impact the viewing experience. Summary of the Invention

[0003] The purpose of this application is to provide an electronic device to improve the aforementioned technical problems.

[0004] This application also provides an electronic device, including a cover plate, a structured light assembly, and an ink layer. The cover plate includes a light-incident surface and a light-emitting surface facing away from each other. The light-incident surface includes a display area and a non-display area surrounding the display area. The structured light assembly includes an emitting assembly, which includes an emitter and a light guide. The light guide is attached to the non-display area, and the emitter is used to emit a light beam toward the light guide. The ink layer covers the non-display area excluding the light guide.

[0005] The electronic device provided in this application embodiment places the light guide in the emitting component of the structured light component below the non-display area of ​​the cover plate, so that the light beam emitted by the emitting component exits from the non-display area of ​​the cover plate. Therefore, it is not necessary to drill holes in the display area of ​​the cover plate to correspond to the emitting component, thereby reducing the drilling area of ​​the display screen and improving the display effect of the display screen.

[0006] These or other aspects of this application will become more apparent in the following description of the embodiments. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0008] Figure 1 is a schematic diagram of the structure of an electronic device according to an embodiment of this application.

[0009] Figure 2 is a logic block diagram of an electronic device according to an embodiment of this application.

[0010] Figure 3 is a schematic diagram of the structure of a housing in an electronic device provided in an embodiment of this application.

[0011] Figure 4 is a schematic diagram of a partial installation structure of a structured light component in an electronic device provided in an embodiment of this application.

[0012] Figure 5 is a schematic diagram of a partial installation structure of another structured light component in an electronic device provided in an embodiment of this application.

[0013] Figure 6 is a schematic diagram of the structure of the transmitting component in a structured light component of an electronic device provided in an embodiment of this application.

[0014] Figure 7 is a schematic diagram of a partial installation structure of another structured light component in an electronic device provided in an embodiment of this application.

[0015] Figure 8 is a schematic diagram of a partial installation structure of another structured light component in an electronic device provided in an embodiment of this application. Detailed Implementation

[0016] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0017] In related technologies, smartphones and other electronic devices can acquire users' facial features by incorporating structured light components for user authentication and other operations. Typically, the structured light component is located on the front of the electronic device for user convenience. However, the front of these devices usually houses a display screen, which is often quite large to maximize screen-to-body ratio, creating a conflict with the structured light component placement. Some electronic devices use a hole-punch method below the display screen to house the structured light component; however, this method, due to the large opening area, may negatively impact the viewing experience.

[0018] Based on this, the inventors of this application propose an electronic device 10 to improve the aforementioned technical problems. The following detailed description, in conjunction with specific embodiments and accompanying drawings, provides further details:

[0019] Figures 1 and 2 show an electronic device 10, which includes a housing 20, a display assembly 30, a cover plate 60, and a structured light assembly 40, wherein the display assembly 30 and the cover plate 60 are disposed in the housing 20, and the structured light assembly 40 is used to collect facial feature information of the user.

[0020] Please refer to Figures 2 and 3 together. The housing 20 includes a front shell 23, a middle frame 22, and a rear shell 21. The front shell 23 and the rear shell 21 are respectively mounted on opposite sides of the middle frame 22. The front shell 23 is used to mount a display screen. The space formed between the rear shell 21 and the middle frame 22 can be used to install various components of the electronic device 10, such as the motherboard 80 and the battery 90. In this embodiment, a fixing hole 24 is provided on the rear shell 21, which can penetrate the rear shell 21. The fixing hole 24 can be used to install a rear camera, which can be exposed through the fixing hole 24 to capture images.

[0021] The structured light component 40 is electrically connected to the motherboard 80 and the battery 90. The battery 90 provides power to the motherboard 80 and the structured light component 40. The motherboard 80 integrates one or more processors and a memory. The processors connect to various parts of the electronic device 10 through various interfaces and lines. By running or executing instructions, programs, code sets, or instruction sets stored in the memory, and by calling data stored in the memory, the processors perform various functions and process data in the electronic device 10. Optionally, the processors can be digital signal processing (DSP), field-programmable gate arrays (FPGA), or programmable logic arrays. The processor can be implemented using at least one hardware form of a LogicArray (PLA). It can integrate one or a combination of several of the following: a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), and a modem. The CPU primarily handles the operating system, user interface, and applications; the GPU is responsible for rendering and drawing the displayed content; and the modem handles wireless communication. It is understood that the modem can also be implemented separately as a dedicated communication chip, without being integrated into the processor.

[0022] The memory may include random access memory (RAM) or read-only memory (ROM). The memory can be used to store instructions, programs, code, code sets, or instruction sets. The memory may include a program storage area and a data storage area. The program storage area may store instructions for implementing an operating system, instructions for implementing at least one function (such as touch functionality, sound playback functionality, image playback functionality, etc.), and instructions for implementing the various method embodiments described below. The data storage area may also store data created by the electronic device 10 during use (such as phonebook data, audio and video data, chat log data, etc.).

[0023] The memory can store one or more control instructions for the structured light component 40. The processor can call the control instructions to control the structured light component 40 to work.

[0024] It is understood that the front shell 23 and the rear shell 21 can be made of various materials such as metal, plastic, glass, and ceramic, and the front shell 23 and the rear shell 21 can be made of the same material or different materials, which is not limited here. The shell 20 has a first side and a second side facing away from each other, where the first side refers to the side of the shell 20 with the front shell 23, and the second side refers to the side of the shell 20 that is closer to the rear shell 21.

[0025] Referring to Figure 4, the middle frame 22 includes a middle plate 222 and a side frame 221. The side frame 221 surrounds the edge of the middle plate 222 and protrudes from the middle plate 222. The side frame 221 protrudes from the middle plate 222 on both opposite sides. The back cover 21 is assembled to one side of the middle plate 222 and is fixedly assembled with the side frame 221. The back cover 21 and the middle frame 22 together form a receiving cavity, which can accommodate various components such as the motherboard 80, battery 90, and microphone.

[0026] Both the battery 90 and the motherboard 80 are housed within the receiving cavity and can be supported by the middle plate 222, and are protected by the rear cover 21. The battery 90 is electrically connected to the motherboard 80 to control the battery 90 to supply power to other functional components or to obtain information such as the battery 90's power level.

[0027] The display assembly 30 is mounted on the bezel 221 and faces the middle plate 222, with the display assembly 30 located on the side of the middle plate 222 away from the rear cover 21. The area of ​​the display assembly 30 can be approximately the same as the area of ​​the middle plate 222. The display assembly 30 can use an LCD (Liquid Crystal Display) screen to display information. The LCD screen can be a TFT (Thin Film Transistor) screen, an IPS (In-Plane Switching) screen, or an SLCD (Splice Liquid Crystal Display) screen. In other embodiments, the display assembly 30 may use an OLED (Organic Light-Emitting Diode) screen to display information. The OLED screen may be an AMOLED (Active Matrix Organic Light Emitting Diode) screen, a Super AMOLED (Super Active Matrix Organic Light Emitting Diode) screen, or a Super AMOLED Plus (Super Active Matrix Organic Light Emitting Diode Plus) screen, which will not be described in detail here.

[0028] Please refer to Figure 4. The cover plate 60 is disposed above the display assembly 30, that is, the cover plate 60 is located on the surface of the display assembly 30 away from the middle plate 222, and is used to protect the display assembly 30. The area of ​​the cover plate 60 can be larger than the area of ​​the display assembly 30, so as to provide better protection for the display assembly 30.

[0029] Specifically, the cover plate 60 includes a light-incident surface 62 and a light-exiting surface 61 facing away from each other. The light-incident surface 62 is the surface of the cover plate 60 facing the display assembly 30, and the light-exiting surface 61 is the surface of the cover plate 60 away from the display assembly 30. The light-incident surface 62 includes a display area 63 and a non-display area 63 surrounding the display area 63. The display area 63 corresponds to the display assembly 30, and the non-display area 63 surrounds the display area 63 and is offset from the display assembly 30. When the display assembly 30 is activated, the image light formed is projected outward through the display area 63. The user can view the image formed by the display area 63 and can also interact with the display assembly 30 by touching the light-exiting surface 61 of the cover plate 60. The non-display area 63 can be mounted on the frame 221 to fix the cover plate 60. The cover plate 60 is made of a light-transmitting material, such as glass or light-transmitting plastic, but this embodiment does not limit this.

[0030] In this embodiment, please continue referring to Figure 4. A mounting step 223 is provided on the side of the frame 221 near the middle plate 222. The mounting step 223 is approximately flush with the display assembly 30. The display area 63 of the cover plate 60 covers the display assembly 30, and at least a portion of the non-display area 63 overlaps with the mounting step 223 for fixation. Adhesive can be applied to the mounting step 223 to bond and fix the cover plate 60 and the frame 221. A gap 71 exists between the display assembly 30 and the mounting step 223, the width of which can be, for example, 1.0mm-1.5mm.

[0031] Referring to Figures 2 and 4, the structured light component 40 includes a transmitting component 41 and a receiving component 42. The transmitting component 41 emits a light beam, which is reflected when it encounters an obstacle. The reflected beam is received by the receiving component 42, and based on the time difference between the emission and reception of the beam, as well as the intensity change, the characteristic information of the obstacle is obtained, generating depth image information of the obstacle. Specifically, in this embodiment, the light beam emitted by the transmitting component 41 can be an infrared laser, and the receiving component 42 receives the reflected infrared laser.

[0032] The emitting assembly 41 includes an emitter 411 and a light guide 412. The light guide 412 is attached to the non-display area 63. The emitter 411 emits a light beam toward the light guide 412, meaning the light beam emitted by the emitting assembly 41 is projected outward from the non-display area 63 of the cover plate 60. Specifically, the light guide 412 can be bonded to the non-display area 63 with a light-transmitting adhesive. The size of the light guide 412 is smaller than the size of the non-display area 63, and the light guide 412 is disposed within the gap 71. This implementation does not increase the space requirement within the electronic device 10, nor does it require opening a through hole corresponding to the light guide 412 on the display assembly 30, thereby increasing the screen-to-body ratio.

[0033] In one embodiment, the light-incident surface 62 of the cover plate 60 can be a complete plane, and the light guide 412 is directly attached to a predetermined position on the light-incident surface 62. The emitter 411 can be disposed below the light guide 412, for example, corresponding to the light guide 412. In this case, the optical axis of the beam emitted by the emitter 411 is perpendicular to the cover plate 60, meaning the beam emitted by the emitter 411 directly enters the light guide 412 along a direction perpendicular to the cover plate 60. The light guide 412 can diffuse and shape the beam emitted by the emitter 411, adjusting the beam spot (optical spread) and the brightness of light at various points on the spot. The light guide 412 can be, for example, a diffuser sheet for diffusing light. Adjusting the field of view of the beam improves the image quality of the emitted beam when acquiring depth images.

[0034] To ensure that the light guide 412 and emitter 411 are not easily damaged during installation, and to ensure that the beam emitted by the light guide 412 has a suitable field of view when it is working, the gap 71 between the light guide 412 and the display assembly 30 can be greater than or equal to 0.4mm. This prevents interference or collision between the light guide 412 and the display assembly 30 during assembly, avoiding damage, and also ensures that the beam emitted from the light guide 412 has a suitable field of view. Additionally, the gap 71 between the light guide 412 and the mounting step 223 can be greater than or equal to 0.2mm. Since the structured light component 40 is usually located on the top of the electronic device 10, the gap 71 between the light guide 412 and the display component 30 is larger than the gap 71 between the light guide 412 and the mounting step 223. Therefore, when the light guide 412 emits a light beam, it can have a larger field of view on the side closer to the display component 30. When the user uses the electronic device 10, the user's eyes usually look at the top of the electronic device 10 (e.g., the front camera area). At this time, the light guide 412 has a larger field of view on the side closer to the display component 30, and the light beam emitted by the emitting component 41 can cover more area of ​​the user's face, thereby improving the quality of the acquired depth image.

[0035] To further reduce the space occupied by the emitting assembly 41, in one embodiment, referring to FIG. 5, a groove 415 is provided on the surface of the light guide 412 away from the cover plate 60. The groove 415 corresponds to the emitter 411, and the width of the groove 415 is larger than the size of the emitter 411. The emitter 411 is at least partially located within the groove 415. In this way, the size of the entire emitting assembly 41 in the thickness direction can be compressed, thereby reducing the space occupied. Preferably, the emitter 411 is entirely embedded in the groove 415 and connected to the main board 80 via a flexible circuit board. The groove 415 may be pre-processed from the light guide 412, and the groove 415 may be a rectangular groove, a cylindrical groove, etc. In this embodiment, referring to Figure 6, the light guide 412 includes a bottom wall 4123 and a side wall 4124 forming a groove 415. The bottom wall 4123 is approximately parallel to the light incident surface 62 of the cover plate 60, and the side wall 4124 is connected to the bottom wall 4123. The side wall 4124 can be formed into a rectangle, a circle, or other shapes, and this embodiment does not limit this. Since the light guide 412 is mostly made of glass, during the processing, the bottom wall 4123 and the side wall 4124 in the groove 415 need to be as smooth as possible to avoid the light beam being deflected on the side wall 4124 or the bottom wall 4123.

[0036] For ease of installation, the size of the groove 415 should be appropriately larger than the size of the transmitter 411. During the emission of the light beam by the transmitter 411, due to potential collimation issues, most of the light in the beam will exit towards the bottom wall 4123 and pass through the light guide 412. However, some of the light in the beam may strike the side wall 4124. This portion of the light, after entering the light guide 412, may exit from the side of the light guide 412, resulting in light leakage and light loss, which may affect the acquired depth image quality. Therefore, in one embodiment, a reflective layer 416 can be provided on the side wall 4124. The reflective layer 416 can be a metal plating or film formed of a metal such as silver (Ag). In this way, when the light in the beam is incident on the side wall 4124, it will be reflected by the reflective layer 416. Since the light has a certain angle of incidence when it is incident on the reflective layer 416, it will be reflected towards the bottom wall 4123 and then exit from the bottom wall 4123 for use.

[0037] In another embodiment, please continue to refer to FIG6. The bottom wall 4123 includes a first region 4125 and a second region 4126. The second region 4126 surrounds the first region 4125 and is adjacent to the side wall 4124. The second region 4126 is also provided with a reflective layer 416. The radial dimension R1 of the first region 4125 is 120%-130% of the radial dimension of the transmitter 411. The radial dimension refers to the radial dimension with the center of the bottom wall 4123 as the center. When the transmitter 411 is assembled, the center of the time axis coincides with the center of the first region 4125. The advantage of this arrangement is that the groove 415 can be larger than the emitter 411, which facilitates the processing of the light guide 412 and makes assembly easier. At the same time, when part of the light beam emitted by the emitter 411 is incident on the side wall 4124 or the second region 4126, or is reflected by the reflective layer 416 in the second region 4126, it will be reflected again by the reflective layer 416 in the second region 4126. The reflected light is reflected multiple times by the reflective layer 416 in the groove 415 and finally exits from the first region 4125. When the light beam entering the light guide 412 from the first region 4125 passes through the light guide 412, the field of view can be controlled by the light guide 412, thereby controlling the field of view of the light beam after passing through the light guide 412, so that the light beam emitted by the emitting component 41 exits with a better field of view, which is conducive to obtaining a higher quality depth image.

[0038] In another embodiment, referring to Figure 7, the emitter 411 can be disposed below the light guide 412, for example, corresponding to the light guide 412. In this case, the optical axis of the beam emitted by the emitter 411 is perpendicular to the cover plate 60, that is, the beam emitted by the emitter 411 directly enters the light guide 412 along a direction perpendicular to the cover plate 60. The light guide 412 includes an integrally combined diffuser 4122 and collimator 4121. The collimator 4121 is configured as a generally hemispherical structure. The diffuser 4122 is attached to the light incident surface 62, and the lens faces the emitter 411 and is used to collimate the beam emitted by the emitter 411. The collimated beam enters the diffuser 4122, which diffuses and shapes the beam, adjusting the beam spot (optical spread) and the light intensity at each point on the spot. Because it has been pre-collimated, the beam emitted by the emitter 411 can exit with a better field of view, which is beneficial for obtaining a higher quality depth image.

[0039] In another embodiment, the light guide 412 can also be a microlens array (MLA) and is mounted on the non-display area 63. The microlens array is an array of lenses with light-transmitting aperture and relief depth in the micrometer range. It not only has the basic functions of traditional lenses such as focusing and imaging, but also has the characteristics of small unit size and high integration, which enables it to perform functions that traditional optical elements cannot perform.

[0040] In another embodiment, referring to Figure 8, the light beam emitted from the emitter 411 can be approximately parallel to the light-incident surface 62 of the cover plate 60. The emitting assembly 41 also includes a reflector 413, which is disposed in the optical path of the light beam emitted from the emitter 411 and is used to reflect the light beam into the light guide 412. In this case, the emitter 411 can be a side-emitting laser, and the reflector 413 can be a right-angle prism, a mirror, etc. This embodiment does not specifically limit this. The angle between the reflective surface of the reflector 413 and the light beam emitted from the emitter 411 can be 45°. The light beam reflected by the reflector 413 is incident on the light guide 412 in a direction perpendicular to the light-incident surface 62 of the cover plate 60, and then exits after passing through the light guide 412 and the cover plate 60.

[0041] Please refer to the embodiments in Figures 4-8. The ink layer 70 covers the non-display area 63 except for the light guide 412. The ink layer 70 can shield the non-display area 63, preventing the image light from the display assembly 30 from being exposed from the non-display area 63 and causing light leakage. At the same time, the ink layer 70 can also shield the infrared laser emitted by the emitting assembly 41, preventing the light beam emitted by the emitting assembly 41 from escaping from other non-display areas 63. In this embodiment, the light guide 412 is attached to the non-display area 63 of the light incident surface 62, and the area where the light guide 412 is located is not covered by the ink layer 70. Therefore, the light beam emitted by the emitting assembly 41 will not be affected by the ink layer 70, which can improve the utilization rate and light efficiency of the light beam.

[0042] Referring again to Figure 1, the display assembly 30 also has a through-hole, located near the frame 221. The through-hole can be circular, rectangular, strip-shaped, or oblong, etc., and this embodiment does not limit this type. A receiving component 42 is disposed below the display assembly 30 and supported on the middle plate 222. The receiving component 42 corresponds to the through-hole to receive a light beam reflected by an external object entering the through-hole. This light beam is emitted by the transmitting component 41. In this embodiment, since the through-hole only needs to correspond to the receiving component 42, the opening area of ​​the through-hole can be smaller, thereby increasing the actual display area of ​​the display screen and improving the screen-to-body ratio. The electronic device 10 can also be equipped with a front-facing camera, and the through-hole can also correspond to the front-facing camera, allowing the front-facing camera to capture images through the through-hole.

[0043] The working principle of the structured light component 40 provided in this embodiment is as follows: the transmitter 411 in the transmitting component 41 emits infrared laser light, which is then shaped and diffused by the light guide 412 to be adjusted into a detection beam with a suitable field of view and light intensity. When the detection beam shines on the user's face or eyes, it is reflected. The reflected detection beam is received by the receiving component 42, thereby obtaining the user's facial depth image.

[0044] The electronic device 10 provided in this embodiment, by placing the light guide 412 in the emitting component 41 of the structured light component 40 below the non-display area 63 of the cover plate 60, allows the light beam emitted by the emitting component 41 to exit from the non-display area 63 of the cover plate 60. Therefore, there is no need to drill holes in the display area of ​​the cover plate 60 corresponding to the emitting component 41, thus reducing the drilling area of ​​the display screen component 30 and improving the display effect of the display screen component 30.

[0045] It is understood that the non-conflicting technical means in the above embodiments can be combined or substituted for each other. The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to mutually.

[0046] It should be noted that the electronic device 10 in this application can be a mobile phone or smartphone (e.g., a phone based on iPhone™ or Android™), a portable gaming device (e.g., Nintendo DS™, PlayStation Portable™, Gameboy Advance™, iPhone™), a laptop computer, a PDA, a portable internet device, a music player, and a data storage device, other handheld devices, and devices such as watches, headphones, pendants, etc. The electronic device 10 can also be other wearable devices (e.g., head-mounted devices (HMDs) such as electronic glasses, electronic clothing, electronic bracelets, electronic necklaces, electronic tattoos, or smartwatches).

[0047] Electronic device 10 may also be any one of a plurality of electronic devices 10, including but not limited to cellular phones, smartphones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, cameras, other media recorders, radios, medical devices, vehicle transport instruments, calculators, programmable remote controls, pagers, laptop computers, desktop computers, printers, netbooks, personal digital assistants (PDAs), portable multimedia players (PMPs), Moving Image Experts Group (MPEG-1 or MPEG-2) audio layer 3 (MP3) players, portable medical devices, and digital cameras and combinations thereof.

[0048] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An electronic device, characterized in that, include: A cover plate, the cover plate including a light-incident surface and a light-exit surface facing away from each other, the light-incident surface including a display area and a non-display area surrounding the display area; A structured light assembly includes an emitting component, which includes an emitter and a light guide. The light guide is attached to the non-display area. The emitter emits a light beam toward the light guide. The light guide is a diffuser. A groove is provided on the surface of the light guide away from the cover plate. The emitter is at least partially located within the groove. The light guide includes sidewalls and a bottom wall surrounding the groove. A reflective layer is provided on the sidewalls. The bottom wall includes a first region and a second region. The second region surrounds the first region and is provided with a reflective layer. The second region also includes an ink layer that covers the non-display area excluding the light guide.

2. The electronic device according to claim 1, characterized in that, The electronic device further includes a mid-frame and a display assembly. The mid-frame includes a border. The cover plate is disposed on the surface of the display assembly. The display area covers the display assembly. At least a portion of the non-display area is mounted on the border. A gap is formed between the display assembly and the border. The light guide is located within the gap.

3. The electronic device according to claim 2, characterized in that, The frame is provided with an installation step, and the cover plate is disposed on the installation step.

4. The electronic device according to claim 3, characterized in that, The gap between the light guide and the mounting step is greater than or equal to 0.2 mm.

5. The electronic device according to claim 2, characterized in that, The gap between the light guide and the display assembly is greater than or equal to 0.4 mm.

6. The electronic device according to any one of claims 1-5, characterized in that, The optical axis of the beam emitted by the transmitter is perpendicular to the cover plate.

7. The electronic device according to claim 6, characterized in that, The light guide is a microlens array.

8. The electronic device according to claim 6, characterized in that, The light guide includes an integrally combined diffuser and collimator. The diffuser is attached to the light incident surface, and the collimator faces the emitter and is used to collimate the light beam emitted by the emitter.

9. The electronic device according to any one of claims 1-5, characterized in that, The emitting component also includes a reflector, which is disposed in the optical path of the light beam emitted by the emitter and is used to reflect the light beam into the light guide.

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