Portable intelligent terminal with projection assembly
By integrating optical fiber scanning projection components on portable smart terminals and using optical fibers and semiconductor lasers to realize projection functions, the problems of small screen size and large projection equipment are solved, expanding the display area and enhancing the user experience.
Patent Information
- Application Number
- CN202420947994.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The screen size of the existing portable smart terminal is small, which affects the user experience, and the existing projection equipment is large in size, which violates the portable characteristics.
Using optical fiber scanning projection assembly, the image light is combined with the optical fiber scanning projection unit and the light source unit connected through the optical fiber, the image light is output using a semiconductor laser and a coupled lens, and the two-dimensional scanning is realized through a piezoelectric ceramic actuator, and the optical fiber scanning is controlled in combination with the control unit. The device and light source unit realize projection function, and optionally equipped with a camera and a radiator, integrated into the intelligent terminal body.
Without increasing the volume of the smart terminal, the display area is expanded, the large-screen projection display function is provided, and the user experience is enhanced. At the same time, the heating is managed through the radiator to ensure the stable operation of the equipment.
Smart Images

Figure CN222365176U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of portable intelligent terminal display, in particular to a portable intelligent terminal with a projection component. Background Art
[0002] At present, for the sake of portability, the screen size of portable smart terminals such as mobile phones, tablets, e-books, and laptops is limited. However, users' operations on smart terminals are becoming more and more diversified, and the size of the display screen affects the user experience. In order to obtain a large display area, external display devices such as display screens and projectors are required, which is contrary to the portability of smart terminals.
[0003] At the same time, current projection equipment generally adopts CRT (Cathode Ray Tube) projection system, LCD (Liquid Crystal Display) projection system, LCOS (Liquid Crystal on Silicon) projection system or DLP (Digital Light Processor) projection system, and such equipment generally has a considerable size. Utility Model Content
[0004] The embodiment of the utility model provides a portable intelligent terminal with a projection component, which is used to at least solve the technical problem that the display screen of the existing portable intelligent terminal is too small.
[0005] In order to achieve the above-mentioned utility model object, the utility model provides a portable intelligent terminal with a projection component, including an intelligent terminal body, the intelligent terminal body having an optical fiber scanning projection component, the optical fiber scanning projection component is electrically connected to a main board in the intelligent terminal body, the optical fiber scanning projection component includes an optical fiber scanning projection unit and a light source unit connected by optical fiber, the optical fiber scanning projection unit includes a first shell, one end of the first shell is a light emitting end, the light emitting end of the first shell is provided with an imaging lens, an optical fiber scanner for emitting image light to the outside through the imaging lens is provided inside the first shell, the light source unit includes a second shell, a plurality of semiconductor lasers are provided in the second shell, the light beam emitted by the semiconductor laser is coupled to the first optical fiber through a coupling lens, and the light emitting end of the first optical fiber is connected to the light input end of the second optical fiber of the optical fiber scanner.
[0006] The smart terminal projects the display image to the outside through the fiber optic scanning projection component, which effectively expands the display size of the smart terminal without significantly increasing the size of the smart terminal.
[0007] Optionally, the optical fiber scanning projection assembly projects the image light onto a wall, a desktop or a projection screen. Further, the projection screen bracket is mounted on the desktop or the wall.
[0008] Furthermore, the fiber optic scanning and projection assembly also includes a control unit, which is electrically connected to the fiber optic scanning and projection unit and the light source unit, respectively, and is used to control the light source unit to emit modulated light and control the fiber optic scanner of the fiber optic scanning and projection unit to perform two-dimensional scanning according to a predetermined trajectory, so that the fiber optic scanning and projection unit emits projection image light, and the control unit is electrically connected to the video output unit of the main board in the intelligent terminal body.
[0009] The heat generated by the fiber optic scanning projection assembly is concentrated on the light source unit, so preferably, the light source unit is arranged inside the intelligent terminal body and close to the heat sink of the intelligent terminal body, and the heat sink is a heat dissipation heat pipe or a heat sink. The component of the fiber optic scanning projection assembly that emits image light is the fiber optic scanning projection unit, so it is only necessary to place the fiber optic scanning projection unit in a position to emit image light to the projection surface, and the fiber optic scanning projection unit is connected to the light source unit through an optical fiber and to the control unit through a signal line.
[0010] Therefore, optionally, the optical fiber scanning and projection assembly is fixedly integrated into the intelligent terminal body.
[0011] Alternatively, the fiber optic scanning projection assembly includes a free movable part detachably mounted on the intelligent terminal body and a fixed integrated part integrated in the intelligent terminal body, wherein the free movable part is connected to the fixed integrated part via a cable, wherein the fixed integrated part includes at least a control unit, and the free movable part includes at least a fiber optic scanning projection unit. The light source unit can be arranged in the fixed integrated part or in the free movable part. Since the free movable part is a detachable structure, the projection direction can be freely set, and the projection direction can be adjusted according to the actual scene requirements.
[0012] Alternatively, the fiber optic scanning projection component is an independent component as a whole, which has a connection connector for connecting to the intelligent terminal body, and a connection interface that matches the connection connector is correspondingly arranged on the intelligent terminal body. The fiber optic scanning projection component is connected to the fiber optic scanning projection component by inserting the connection connector into the connection interface of the fiber optic scanning projection component. The intelligent terminal body realizes data transmission and power supply with the fiber optic scanning projection component through the connection structure.
[0013] The optical fiber scanner includes a scanning actuator and a second optical fiber. The light-emitting end of the second optical fiber is fixedly arranged on the free end of the scanning actuator in a cantilever support manner. The scanning actuator is fixedly installed in the first shell. The free end of the scanner actuator performs two-dimensional scanning vibration under the drive of the driving signal.
[0014] Optionally, the scanning actuator is a piezoelectric ceramic actuator. When driven by a driving signal, the free end of the piezoelectric ceramic actuator performs high-frequency vibration along a first direction to achieve line scanning, and the free end of the piezoelectric ceramic actuator performs low-frequency vibration along a second direction to achieve frame scanning.
[0015] The control unit includes a processor, an image storage unit, a light source control module, a scanning drive module, a readable storage medium and a first-in first-out memory FIFO.
[0016] The readable storage medium stores a marking signal, the marking signal is used to mark the scanning direction of the optical fiber cantilever of the second optical fiber in three-dimensional space, and the storage medium stores a program, and when the program is executed by the processor, the following steps are implemented:
[0017] The image data obtained from the video output unit of the main board is stored in the image storage unit,
[0018] Sending an electrical control signal (i.e., a drive signal) to a scanning drive module to drive the optical fiber scanner, and controlling the optical fiber cantilever in the optical fiber scanner to perform scanning motion in a predetermined two-dimensional scanning trajectory (e.g., spiral scanning, grid scanning, Lissajous scanning);
[0019] Starting from obtaining an image output start signal, reading image data of a currently displayed image from an image storage unit according to a pixel point scanning sequence corresponding to the mark signal;
[0020] Writing the image data of the currently displayed image into a first-in first-out memory FIFO according to the pixel scanning order;
[0021] An electrical control signal is sent to the light source control module to control the light source unit, and the light source unit is controlled to output the light corresponding to each pixel in the currently displayed image in sequence according to the image data in the FIFO, so that the light output by the light source fully matches the optical fiber scanning trajectory to form an image on the projection surface.
[0022] Specifically, the light source control module outputs a light source modulation signal according to the received control signal to modulate each semiconductor laser in the light source unit. The light generated by each semiconductor laser in the light source unit is combined by a coupling lens to generate light corresponding to each pixel in the image one by one.
[0023] Further preferably, the fiber scanning projection assembly also includes a camera for taking pictures of the projection area. The fiber scanning projection assembly transmits the captured image to the intelligent terminal body, which performs calculations on the image and outputs a corresponding projection image, and transmits the projection image to the fiber scanning projection assembly, which projects the projection image onto the projection area. This enables the intelligent terminal body to have an interactive projection display function.
[0024] One or more technical solutions in the embodiments of the present utility model have at least the following technical effects or advantages:
[0025] The utility model can combine the projection display function with the portable intelligent terminal, expand the display area of the portable intelligent terminal, and can realize the function of large-screen projection display or expansion of the projection display screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the structure of the utility model;
[0027] Figure 2 This is a schematic diagram of the structure when the portable intelligent terminal is a tablet computer;
[0028] Figure 3 A schematic diagram of the structure when the portable intelligent terminal is a notebook computer;
[0029] Figure 4 It is a structural schematic diagram of a fiber scanning projection unit;
[0030] Figure 5 is a structural schematic diagram of a light source unit;
[0031] Figure 6 This is a schematic diagram of the structure in which the optical fiber scanning projection component is arranged on the host part of a notebook computer;
[0032] Figure 7 It is a structural schematic diagram of the free moving part being connected to the intelligent terminal body through the deformable supporting member;
[0033] Figure 8 for Figure 7 A schematic diagram of the structure of the embodiment shown in which image light is projected in another direction;
[0034] Fig. 9 A schematic diagram of a structure for setting a connection joint for a fiber optic scanning projection assembly;
[0035] Fig.10 This is a structural diagram of the optical fiber scanning projection component connected to the intelligent terminal body through the connecting joint;
[0036] Fig.11 A schematic diagram of the structure of a fiber optic scanning projection assembly provided with a camera. DETAILED DESCRIPTION
[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0038] like Figure 1 , Figure 2 , Figure 3 As shown, the embodiment of the utility model provides a portable intelligent terminal with a projection component, including an intelligent terminal body 100, wherein the intelligent terminal body 100 has an optical fiber scanning projection component 200, and the optical fiber scanning projection component 200 is electrically connected to a main board in the intelligent terminal body 100, and the optical fiber scanning projection component 200 includes an optical fiber scanning projection unit 201 and a light source unit 202 connected by optical fibers, as shown in FIG. Figure 4 As shown, the optical fiber scanning projection unit 201 includes a first shell 2010, one end of the first shell 2010 is a light emitting end, an imaging lens 2020 is provided at the light emitting end of the first shell 2010, and an optical fiber scanner 2030 is provided inside the first shell 2010 for emitting image light to the outside through the imaging lens 2020, as shown in FIG. Figure 5 As shown, the light source unit 202 includes a second shell 2022, in which a plurality of semiconductor lasers 2023 are arranged. The light beams emitted by the semiconductor lasers 2023 are coupled to the first optical fiber 2021 through a coupling lens 2024. The light output end of the first optical fiber 2021 is connected to the light input end of the second optical fiber 2032 of the optical fiber scanner 2030.
[0039] Combination Figure 1-Figure 3 and Figure 6 As shown, optionally, the intelligent terminal body can be a mobile phone, a tablet computer, a laptop computer, etc. The optical fiber scanning projection assembly 200 can be arranged at the screen frame of the laptop computer, or can be arranged at the host part of the laptop computer. The intelligent terminal projects the display image to the outside through the optical fiber scanning projection assembly 200, which effectively expands the display size of the intelligent terminal without significantly increasing the volume of the intelligent terminal.
[0040] Optionally, the optical fiber scanning projection assembly 200 projects the image light onto a wall, a desktop or a projection screen. Further, the projection screen is supported on a desktop or a wall.
[0041] like Figure 5As shown, the coupling lens 2024 can be a focusing lens, or can be an optical device such as a collimating lens 2025 that can couple the light beam emitted by the semiconductor laser 2023 to the optical fiber to improve the coupling efficiency. As a preferred embodiment, the coupling lens 2024 described in this embodiment is a focusing lens.
[0042] In this embodiment, three semiconductor lasers 2023 are arranged in the second housing 2022, but it can be understood that the number of semiconductor lasers 2023 can also be any number such as two, four, six, seven, etc. Further, the housing of the fiber scanner 2030 is provided with collimating lenses 2025 and filters 2026 arranged one by one corresponding to each semiconductor laser 2023, and the collimating lenses 2025 and the filters 2026 are located on the optical path of the corresponding semiconductor laser 2023. The collimating lens 2025 is used to collimate the light beam emitted by the semiconductor laser 2023, and the filter 2026 is used to reflect the collimated light beam emitted by the corresponding semiconductor laser 2023 to the focusing lens, and transmit the light beams emitted by other semiconductor lasers 2023, so as to combine the light beams emitted by each semiconductor laser 2023 into a laser beam, and the combined laser beam is focused by the focusing lens and coupled to the optical fiber.
[0043] The color of the semiconductor laser 2023 is R, G or B. As a preferred embodiment, the light source unit 202 is a color light source unit 202, the colors of the three semiconductor lasers 2023 are R, G and B respectively, and the three filters 2026 are arranged in parallel with each other, and each filter 2026 is used to reflect the light beam emitted by the corresponding semiconductor laser 2023 by 90° and then emit it to the focusing lens, and transmit the light beams emitted by other semiconductor lasers 2023. Of course, it is also optional that in other embodiments, the semiconductor laser 2023 may include an infrared light semiconductor laser 2023 for emitting an infrared light beam, and the light beam emitted by the infrared light semiconductor laser 2023 is also collimated by the corresponding collimating lens 2025, and then reflected by the filter 2026 and emitted to the focusing lens. It is also optional that two or more semiconductor lasers 2023 of the same color can also be arranged in the housing to increase the energy density of the light source. For example, six semiconductor lasers 2023 are arranged in the housing, and the number of semiconductor lasers 2023 of colors R, G or B is two.
[0044] Furthermore, the fiber optic scanning and projection assembly 200 also includes a control unit, which is electrically connected to the fiber optic scanning and projection unit 201 and the light source unit 202, respectively, and is used to control the light source unit 202 to emit modulated light and control the fiber optic scanner 2030 of the fiber optic scanning and projection unit 201 to perform two-dimensional scanning according to a predetermined trajectory, so that the fiber optic scanning and projection unit 201 emits projection image light, and the control unit is electrically connected to the video output unit of the main board in the smart terminal body 100.
[0045] The heat generated by the fiber optic scanning projection assembly 200 is concentrated on the light source unit 202, so preferably, the light source unit 202 is arranged inside the intelligent terminal body 100 and close to the heat sink of the intelligent terminal body 100, and the heat sink is a heat dissipation heat pipe or a heat sink. The component of the fiber optic scanning projection assembly 200 that emits image light is the fiber optic scanning projection unit 201, so it is only necessary to place the fiber optic scanning projection unit 201 at a position where the image light is emitted to the projection surface, and the fiber optic scanning projection unit 201 is connected to the light source unit 202 through an optical fiber and to the control unit through a signal line.
[0046] Therefore, optionally, the optical fiber scanning and projection assembly 200 is fixedly integrated into the intelligent terminal body 100 .
[0047] Alternatively, Figure 7 As shown, the fiber optic scanning projection assembly 200 includes a free movable part 203 detachably mounted on the smart terminal body 100 and a fixed integrated part integrated in the smart terminal body 100, wherein the free movable part 203 is connected to the fixed integrated part via a cable, wherein the fixed integrated part at least includes a control unit, and the free movable part 203 includes at least a fiber optic scanning projection unit 201. The light source unit 202 can be arranged in the fixed integrated part or in the free movable part 203. Since the free movable part 203 is a detachable structure, the projection direction can be freely set, and the projection direction can be adjusted according to the actual scene requirements. For example, the smart terminal body 100 is provided with an insertion hole for accommodating the free movable part 203, and the free movable part 203 is connected to the fixed integrated part via a cable that can be rolled up and unfolded, wherein the cable includes an optical fiber for guiding light and a wire for transmitting electrical signals. Or the free moving part 203 has a magnetic component, and the smart terminal body 100 is also provided with a magnetic component, and the free moving part 203 is fixed to the smart terminal body 100 by magnetic attraction, and the free moving part 203 is also connected to the fixed integration part by a cable that can be rolled up and unfolded. Or the free moving part 203 is connected to the smart terminal body 100 through a deformable support 204, combined with Figure 7 , Figure 8 As shown, the emission direction of the optical fiber scanning projection unit 201 is adjusted by adjusting the deformable support member 204, and the free movable portion 203 is also connected to the fixed integration portion through a cable that can be rolled up and unfolded.
[0048] Also optional, such as Fig. 9 As shown, the fiber optic scanning projection component 200 is an independent component as a whole, which has a connection connector 206 for connecting to the intelligent terminal body 100, and a connection interface corresponding to the connection connector 206 is provided on the intelligent terminal body 100. The fiber optic scanning projection component 200 is connected to the fiber optic scanning projection component 200 by inserting the connection connector 206 into the connection interface of the fiber optic scanning projection component 200. Fig.10 As shown. The intelligent terminal body 100 realizes data transmission and power supply with the optical fiber scanning projection assembly 200 through the connection structure. Also optionally, a deformable support 207 is provided between the main body 205 of the optical fiber scanning projection assembly 200 and the connection connector 206, and the main body 205 of the optical fiber scanning projection assembly 200 is connected to the connection connector 206 through a wire. Therefore, when the connection connector 206 is inserted into the connection interface of the intelligent terminal body 100, the emission direction of the optical fiber scanning projection unit 201 can be adjusted by adjusting the deformable support 207.
[0049] The optical fiber scanner 2030 includes a scanning actuator 2031 and a second optical fiber 2032. The light-emitting end of the second optical fiber 2032 is fixedly arranged at the free end of the scanning actuator 2031 in a cantilever support manner. The scanning actuator 2031 is fixedly installed in the first shell 2010. The free end of the scanner actuator performs two-dimensional scanning vibration under the drive of the driving signal.
[0050] Optionally, the scanning actuator 2031 is a piezoelectric ceramic actuator. When driven by a driving signal, the free end of the piezoelectric ceramic actuator performs high-frequency vibration along a first direction to achieve line scanning, and the free end of the piezoelectric ceramic actuator performs low-frequency vibration along a second direction to achieve frame scanning.
[0051] The control unit includes a processor, an image storage unit, a light source control module, a scanning drive module, a readable storage medium and a first-in first-out memory FIFO.
[0052] The readable storage medium stores a marking signal, the marking signal is used to mark the scanning direction of the optical fiber cantilever of the second optical fiber 2032 in three-dimensional space, and the storage medium stores a program, and when the program is executed by the processor, the following steps are implemented:
[0053] The image data obtained from the video output unit of the main board is stored in the image storage unit,
[0054] Sending an electrical control signal (i.e., a driving signal) to the scanning driving module to drive the optical fiber scanner 2030, and controlling the optical fiber cantilever in the optical fiber scanner 2030 to perform scanning motion in a predetermined two-dimensional scanning trajectory (e.g., spiral scanning, grid scanning, Lissajous scanning);
[0055] Starting from obtaining an image output start signal, reading image data of a currently displayed image from an image storage unit according to a pixel point scanning sequence corresponding to the mark signal;
[0056] Writing the image data of the currently displayed image into a first-in first-out memory FIFO according to the pixel scanning order;
[0057] An electrical control signal is sent to the light source control module to control the light source unit 202, and the light source unit 202 is controlled to output the light corresponding to each pixel in the currently displayed image in sequence according to the image data in the FIFO, so that the light output by the light source fully matches the optical fiber scanning trajectory to form an image on the projection surface.
[0058] Specifically, the light source control module outputs a light source modulation signal according to the received control signal to modulate each semiconductor laser 2023 in the light source unit 202. The light generated by each semiconductor laser 2023 in the light source unit 202 is combined by the coupling lens 2024 to generate light corresponding to each pixel in the image one by one.
[0059] Further preferably, Fig.11 As shown, the optical fiber scanning projection assembly 200 also includes a camera 300 for taking pictures of the projection area. The optical fiber scanning projection assembly 200 transmits the captured image to the intelligent terminal body 100, and the intelligent terminal body 100 performs calculations on the image and outputs a corresponding projection image, and transmits the projection image to the optical fiber scanning projection assembly 200, and the optical fiber scanning projection assembly 200 projects the projection image to the projection area. Thus, the intelligent terminal body 100 has an interactive projection display function. As a practical application example, the projection area is an A4 paper with English information recorded on it. The camera 300 takes pictures of the information on the A4 paper and transmits it to the intelligent terminal body 100. The ORC recognition module, translation module and image generation module inside the intelligent terminal body 100 successively complete the recognition, translation and generation of Chinese translation image information of the corresponding format on the A4 paper, and transmit the Chinese translation image information to the optical fiber scanning projection assembly 200, and the optical fiber scanning projection assembly 200 projects the Chinese translation image onto the A4 paper. Thereby, the user can see the original English text and the translated Chinese text on A4 paper at the same time. A portable intelligent terminal with a projection component.
[0060] It should be noted that the above embodiments illustrate the present invention rather than limit it, and that those skilled in the art may design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference symbol between brackets should not be constructed as a limitation to the claims. The words "comprise" or "include" do not exclude the presence of elements or steps not listed in the claims. The word "one" or "an" preceding an element does not exclude the presence of a plurality of such elements. The use of the words first, second, and third, etc. does not indicate any order, and these words may be interpreted as names.
[0061] All features disclosed in this specification, except mutually exclusive features, can be combined in any way.
[0062] Any feature disclosed in this specification (including any additional claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or alternative features with similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.
[0063] The present invention is not limited to the above-mentioned specific implementation modes, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.
Claims
1. A portable intelligent terminal with a projection component, characterized in that: The invention comprises an intelligent terminal body, wherein the intelligent terminal body has an optical fiber scanning and projection component, wherein the optical fiber scanning and projection component is electrically connected to a mainboard in the intelligent terminal body, wherein the optical fiber scanning and projection component comprises an optical fiber scanning and projection unit and a light source unit connected via optical fibers, wherein the optical fiber scanning and projection unit comprises a first shell, wherein one end of the first shell is a light emitting end, wherein an imaging lens is arranged at the light emitting end of the first shell, wherein an optical fiber scanner for emitting image light to the outside through the imaging lens is arranged inside the first shell, wherein the light source unit comprises a second shell, wherein a plurality of semiconductor lasers are arranged inside the second shell, wherein the light beam emitted by the semiconductor laser is coupled to the first optical fiber via a coupling lens, wherein the light emitting end of the first optical fiber is connected to the light input end of the second optical fiber of the optical fiber scanner.
2. A portable intelligent terminal with a projection component as claimed in claim 1, characterized in that: The optical fiber scanning projection component projects image light onto a wall, a desktop or a projection screen.
3. A portable intelligent terminal with a projection component as claimed in claim 1, characterized in that: The fiber optic scanning and projection assembly also includes a control unit, which is electrically connected to the fiber optic scanning and projection unit and the light source unit, respectively, and is used to control the light source unit to emit modulated light and control the fiber optic scanner of the fiber optic scanning and projection unit to perform two-dimensional scanning according to a predetermined trajectory, so that the fiber optic scanning and projection unit emits projection image light. The control unit is electrically connected to the video output unit of the main board in the intelligent terminal body.
4. A portable intelligent terminal with a projection component as claimed in claim 3, characterized in that: The light source unit is arranged inside the intelligent terminal body and is close to the heat sink of the intelligent terminal body.
5. The portable intelligent terminal with a projection component as claimed in claim 3, characterized in that: The optical fiber scanning and projection assembly is fixedly integrated into the intelligent terminal body.
6. A portable intelligent terminal with a projection component as claimed in claim 3, characterized in that: The fiber optic scanning and projection assembly includes a freely movable part detachably mounted on the intelligent terminal body and a fixed integrated part integrated in the intelligent terminal body, wherein the freely movable part is connected to the fixed integrated part via a cable, wherein the fixed integrated part includes at least a control unit, and the freely movable part includes at least a fiber optic scanning and projection unit.
7. A portable intelligent terminal with a projection component as claimed in claim 3, characterized in that: The fiber optic scanning projection component is an independent component as a whole, which has a connection connector for connecting to the smart terminal body. The smart terminal body is provided with a connection interface that matches the connection connector. The fiber optic scanning projection component is connected to the fiber optic scanning projection component by inserting the connection connector into the connection interface of the fiber optic scanning projection component.
8. The portable intelligent terminal with a projection component as claimed in claim 3, characterized in that: The optical fiber scanner includes a scanning actuator and a second optical fiber. The light-emitting end of the second optical fiber is fixedly arranged on the free end of the scanning actuator in a cantilever support manner. The scanning actuator is fixedly installed in the first shell. The free end of the scanner actuator performs two-dimensional scanning vibration under the drive of the driving signal.
9. The portable intelligent terminal with a projection component as claimed in claim 3, characterized in that: The control unit comprises a processor, an image storage unit, a light source control module, a scanning drive module, a readable storage medium and a first-in first-out memory FIFO.
10. The portable intelligent terminal with a projection component as claimed in claim 1, characterized in that: The optical fiber scanning projection assembly also includes a camera for taking pictures of the projection area.