Optical module, control method of optical module and electronic equipment

Abstract

The invention discloses an optical module, a control method of the optical module and electronic equipment, a light-emitting component emits light, the light comprises infrared light and visible light, and an electrochromic filter covers a light-emitting area of the light-emitting component and / or a light-sensing area of a light-sensing component; when the electrochromic filter is in the first state, the electrochromic filter can filter visible light, and infrared light can pass through the electrochromic filter; when the electrochromic filter is in the second state, visible light can pass through the electrochromic filter, and the electrochromic filter can filter infrared light; and / or, when the optical module is in a remote controller mode, the electrochromic filter is in a first state, the light emitting part emits light, and the light sensing part receives infrared light; and / or, when the optical module is in a shooting mode, the electrochromic filter is in a second state, the light emitting part emits light, and the light sensing part receives visible light; and / or when the optical module is in an illumination mode, the electrochromic filter is in a second state, and the light-emitting component emits light.

Description

Technical Field

[0001] The present application belongs to the technical field of electronic equipment, and specifically relates to an optical module, a control method of an optical module, and an electronic device. Background Art

[0002] In the related art, electronic devices have multiple modes such as infrared remote control, remote control occlusion recognition, color temperature detection and photographic fill light. In order to meet the multi-functional requirements of electronic devices, it is necessary to integrate a variety of light-emitting components and light-sensing components on the electronic devices, and each light-emitting component is required to cooperate with the light-sensing component to realize multiple modes of the electronic devices. However, since a variety of light-emitting components and light-sensing components are set at the same time, the number of components of the optical module inside the electronic device will increase, which will lead to a more complicated structure of the optical module and occupy a larger space inside the device. Summary of the invention

[0003] The present application aims to provide an optical module, a control method for an optical module and an electronic device, which at least solve the problem that the structure is relatively complex and occupies a large internal space of the electronic device.

[0004] In order to solve the above technical problems, this application is implemented as follows:

[0005] In a first aspect, an embodiment of the present application proposes an optical module, including a light-emitting component, a light-sensing component and an electrochromic filter, wherein the light-emitting component emits light, the light includes infrared light and visible light, the light-sensing component is arranged in parallel with the light-emitting component, and the electrochromic filter covers the light-emitting area of ​​the light-emitting component and / or the light-sensitive area of ​​the light-sensing component; wherein the electrochromic filter has a first state and a second state, and when the electrochromic filter is in the first state, the electrochromic filter can filter out visible light, and infrared light can pass through the electrochromic filter; and the electrochromic filter When in the second state, visible light can pass through the electrochromic filter, and the electrochromic filter can filter out infrared light; and / or, when the optical module is in the remote control mode, the electrochromic filter is in the first state, the light-emitting component emits light, and the light-sensitive component receives infrared light; and / or, when the optical module is in the shooting mode, the electrochromic filter is in the second state, the light-emitting component emits light, and the light-sensitive component receives visible light; and / or, when the optical module is in the lighting mode, the electrochromic filter is in the second state, and the light-emitting component emits light.

[0006] In the second aspect, an embodiment of the present application proposes a control method for an optical module, wherein the optical module includes a light-emitting component, a light-sensing component and an electrochromic filter. The light-emitting component can emit light, and the light includes infrared light and visible light. The control method includes: the light-emitting component emits light; controlling the electrochromic filter to filter out visible light, and when the photosensitive component receives infrared light, the optical module is in remote control mode; controlling the electrochromic filter to filter out infrared light, and when the photosensitive component receives visible light, the optical module is in photo taking mode; controlling the electrochromic filter to filter out infrared light, and when the photosensitive component does not work, the optical module is in lighting mode.

[0007] An optical module and a control method thereof provided by the present application control the transmission or blocking of visible light and infrared light through the cooperation of light-emitting components, light-sensing components and electrochromic filters, thereby realizing multiple modes of electronic equipment. At the same time, the structure of the optical module is simplified, and multiple sets of light-emitting components and light-sensing components are no longer required, thereby reducing the volume of the optical module and further reducing the space occupied by the optical module, which can reduce the production cost of the electronic equipment, realize the lightweight design of the optical module, and facilitate the realization of lightweight and thin electronic equipment.

[0008] In a third aspect, an embodiment of the present application provides an electronic device, which includes an optical module as described in any one of the above embodiments. Therefore, the electronic device has all the beneficial effects of the optical module in any one of the above embodiments.

[0009] In a fourth aspect, the present application proposes an electronic device including a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the control method of the optical module in the above embodiment are implemented. Therefore, the electronic device has all the beneficial effects of the control method of the optical module in the above embodiment.

[0010] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0012] Figure 1 is one of the structural schematic diagrams of an electronic device according to an embodiment of the present application;

[0013] Figure 2 is a second structural schematic diagram of an electronic device according to an embodiment of the present application;

[0014] Figure 3 is a schematic structural diagram of an electrochromic filter according to an embodiment of the present application;

[0015] Figure 4 is a spectrum curve diagram of emission or reception of an optical module according to an embodiment of the present application;

[0016] Figure 5 is a schematic diagram of color temperature of an optical module according to an embodiment of the present application;

[0017] Figure 6 is an infrared remote control waveform diagram according to an embodiment of the present application;

[0018] Figure 7 is a schematic structural diagram of a light-emitting component of an optical module according to an embodiment of the present application;

[0019] Figure 8 is a flow chart of a control method of an optical module according to an embodiment of the present application;

[0020] Fig. 9 A schematic diagram of the hardware structure of an electronic device to implement an embodiment of the present application.

[0021] Reference numerals:

[0022] 100 optical module, 110 light emitting component, 112 full-spectrum light emitting diode, 114 laser transmitter, 120 photosensitive component, 122 first photosensitive diode, 124 second photosensitive diode, 130 electrochromic filter, 132 electrochromic layer, 134 conductive layer, 136 glass layer, 137 transmitting end filter, 138 receiving end filter, 200 electronic device, 210 control module, 212 power management integrated circuit, 214 microcontroller. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0024] Combine the following Figures 1 to 9 An optical module, a control method of an optical module, and an electronic device according to embodiments of the present application are described.

[0025] like Figure 1 , Figure 2 and Figure 3As shown, according to some embodiments of the present application, an optical module 100 includes a light-emitting component 110, a photosensitive component 120 and an electrochromic filter 130, the light-emitting component 110 emits light, the light includes infrared light and visible light, the photosensitive component 120 is arranged in parallel with the light-emitting component 110, and the electrochromic filter 130 covers the light-emitting area of ​​the light-emitting component 110 and / or the photosensitive area of ​​the photosensitive component 120; wherein, the electrochromic filter 130 has a first state and a second state, when the electrochromic filter 130 is in the first state, the electrochromic filter 130 can filter out visible light, and infrared light can pass through the electrochromic filter 130; when the electrochromic filter 130 is in the second state, visible light can pass through the electrochromic filter 130, and the electrochromic filter 130 can filter out infrared light. When the optical module 100 is in the remote control mode, the electrochromic filter 130 is in the first state, the light emitting component 110 emits light, and the light sensing component 120 receives infrared light.

[0026] An optical module 100 provided in the present application includes a light-emitting component 110, a light-sensitive component 120 and an electrochromic filter 130. The light-emitting component 110 emits light, and the light includes infrared light and visible light. The infrared light and visible light can meet different functional requirements of the optical module 100.

[0027] The photosensitive component 120 and the light-emitting component 110 are arranged in parallel, and the electrochromic filter 130 covers the light-emitting area of ​​the light-emitting component 110 and / or the light-sensitive area of ​​the photosensitive component 120. The photosensitive component 120 and the light-emitting component 110 are arranged in a standardized manner to facilitate receiving and sending light and improve the interaction efficiency of optical signals.

[0028] Since the electrochromic filter 130 can change its optical properties according to the applied voltage, the electrochromic filter 130 covers the light-emitting area of ​​the light-emitting component 110 and the photosensitive area of ​​the photosensitive component 120, which can be used to adjust the light passing through, filter the type of light emitted by the light-emitting component 110, and filter the type of light received by the photosensitive component 120, thereby controlling the type of emitted and received light.

[0029] The electrochromic filter 130 has a first state and a second state. When the electrochromic filter 130 is in the first state, the electrochromic filter 130 can filter out visible light in the light, and infrared light can pass through the electrochromic filter 130. At this time, the light-emitting component 110 can emit infrared light to the external device to achieve infrared light signal transmission. At the same time, the light-sensitive component 120 can also receive infrared light emitted from the outside to achieve infrared light signal reception. By controlling the electrochromic filter 130 to be in the first state, the infrared light signal interaction between the optical module 100 and the external device can be completed. When the electrochromic filter 130 is in the second state, visible light can pass through the electrochromic filter 130, and the electrochromic filter 130 can filter out infrared light. Visible light can be used as an illumination light source to provide fill light needs.

[0030] When the optical module 100 is in the remote control mode, the electrochromic filter 130 is in the first state, the light-emitting component 110 emits light, and the infrared light in the light can pass through the electrochromic filter 130, so that the optical module 100 can emit infrared light outward, and the light-sensitive component 120 can receive the infrared light. By controlling the electrochromic filter 130 to switch to the first state, the visible light in the light can be filtered out and the infrared light can be allowed to pass. At this time, the light-emitting component 110 emits infrared light, and the infrared light has an infrared remote control signal, which can transmit the infrared light signal to the external device to realize the infrared remote control function. The light-sensitive component 120 receives the infrared light emitted by the outside world, thereby realizing the signal interaction between the optical module 100 and the external device, so that the electronic device 200 with the optical module 100 can be used as an infrared remote control without the need for additional infrared transmitting and receiving components, simplifying the structure and reducing costs.

[0031] By means of the cooperation between the light-emitting component 110, the light-sensing component 120 and the electrochromic filter 130, the transmission or blocking of visible light and infrared light is controlled to realize a variety of working modes of the electronic device 200. Meanwhile, the structure of the optical module 100 is simplified, and no additional sets of light-emitting components 110 and light-sensing components 120 are required, thereby reducing the volume of the optical module 100 and further reducing the space occupied by the optical module 100. This can reduce the production cost of the electronic device 200, realize the lightweight design of the optical module 100, and facilitate the realization of a lightweight and thin electronic device 200.

[0032] According to some embodiments of the present application, an optical module 100 includes a light-emitting component 110, a light-sensitive component 120 and an electrochromic filter 130. The light-emitting component 110 emits light, and the light includes infrared light and visible light. The light-sensitive component 120 is arranged in parallel with the light-emitting component 110, and the electrochromic filter 130 covers the light-emitting area of ​​the light-emitting component 110 and / or the light-sensitive area of ​​the light-sensitive component 120; wherein the electrochromic filter 130 has a first state and a second state. When the electrochromic filter 130 is in the first state, the electrochromic filter 130 can filter out visible light, and infrared light can pass through the electrochromic filter 130; when the electrochromic filter 130 is in the second state, visible light can pass through the electrochromic filter 130, and the electrochromic filter 130 can filter out infrared light. When the optical module 100 is in the shooting mode, the electrochromic filter 130 is in the second state, the light emitting component 110 emits light, and the light sensing component 120 receives visible light.

[0033] An optical module 100 provided in the present application includes a light-emitting component 110, a light-sensitive component 120 and an electrochromic filter 130. The light-emitting component 110 emits light, and the light includes infrared light and visible light. The light-sensitive component 120 is arranged in parallel with the light-emitting component 110. The electrochromic filter 130 covers the light-emitting area of ​​the light-emitting component 110 and / or the light-sensitive area of ​​the light-sensitive component 120. The electrochromic filter 130 has a first state and a second state. When the electrochromic filter 130 is in the first state, the electrochromic filter 130 can filter out visible light. When the electrochromic filter 130 is in the second state, visible light can pass through the electrochromic filter 130. The electrochromic filter 130 can filter out infrared light, and visible light can be used as an illumination light source to provide fill light needs. Therefore, when the optical module 100 is in the shooting mode, the electrochromic filter 130 is in the second state, the light-emitting component 110 emits light, and the light-sensing component 120 receives visible light, thereby realizing the transmission and reception of visible light. Since when the electrochromic filter 130 switches to the second state, visible light is allowed to pass through while infrared light is filtered out, in the shooting mode, the light-emitting component 110 can emit visible light as auxiliary lighting for shooting work, provide a light source for shooting, and realize fill light, and the light-sensing component 120 receives visible light, further improving the imaging effect of shooting, and at the same time enabling the optical module 100 to be used as a fill light for shooting equipment, and cooperate with the lens assembly to complete shooting, thereby improving the practicality of the optical module 100.

[0034] According to some embodiments of the present application, an optical module 100 includes a light-emitting component 110, a light-sensing component 120, and an electrochromic filter 130. The light-emitting component 110 emits light, which includes infrared light and visible light. The light-sensing component 120 is arranged in parallel with the light-emitting component 110. The electrochromic filter 130 covers the light-emitting area of ​​the light-emitting component 110 and / or the light-sensing area of ​​the light-sensing component 120. The electrochromic filter 130 has a first state and a second state. When the electrochromic filter 130 is in the first state, the electrochromic filter 130 can filter out visible light, and infrared light can pass through the electrochromic filter 130. When the electrochromic filter 130 is in the second state, visible light can pass through the electrochromic filter 130, and the electrochromic filter 130 can filter out infrared light. When the optical module 100 is in the lighting mode, the electrochromic filter 130 is in the second state, and the light-emitting component 110 emits light.

[0035] The present application provides an optical module 100, when the optical module 100 is in the lighting mode, the electrochromic filter 130 is in the second state, and the light-emitting component 110 emits light. When the optical module 100 is switched to the lighting mode, the electrochromic filter 130 can be controlled to allow visible light to pass through. At this time, the light-emitting component 110 emits visible light, and the visible light is emitted to the surrounding environment through the electrochromic filter 130. At this time, the optical module 100 can be used as a light source to illuminate the surrounding environment, so that the optical module 100 can be used as a flashlight or other lighting tool when needed, which increases practicality and versatility.

[0036] The multifunctional optical module 100 can be integrated into a design through the light-emitting component 110, the light-sensitive component 120 and the electrochromic filter 130, which can reduce the volume occupied by the optical module 100 and the size of the opening on the back of the electronic device 200. In this way, when the optical module 100 is not in working mode, the opening on the back of the electronic device 200 can be hidden, thereby improving the external neatness and aesthetics of the electronic device 200.

[0037] Specifically, the electrochromic filter 130 may include a transmitting-end filter 137 and a receiving-end filter 138 .

[0038] Specifically, when the optical function of the optical module 100 is used, the opening of the optical module 100 can be made visible, giving the user an intuitive functional experience.

[0039] Specifically, the control unit includes a power management integrated circuit (Power Management IC, PMIC), that is, Figure 2 A power management integrated circuit 212 is shown.

[0040] like Figure 1 , Figure 2 and Figure 3As shown, according to some embodiments of the present application, the number of the electrochromic filter 130 is one, and the electrochromic filter 130 covers both the light-emitting area of ​​the light-emitting component 110 and the light-sensitive area of ​​the light-sensitive component 120 .

[0041] There are multiple electrochromic filters 130 , and the multiple electrochromic filters 130 cover the light-emitting area of ​​the light-emitting component 110 and the light-sensing area of ​​the light-sensing component 120 respectively.

[0042] In this embodiment, the number of electrochromic filters 130 is one, and the electrochromic filter 130 covers both the light-emitting area of ​​the light-emitting component 110 and the photosensitive area of ​​the photosensitive component 120, which reduces costs and facilitates assembly of the electrochromic filter 130, thereby improving production efficiency. The number of electrochromic filters 130 may also be multiple, and the multiple electrochromic filters 130 respectively cover the light-emitting area of ​​the light-emitting component 110 and the photosensitive area of ​​the photosensitive component 120, which facilitates disassembly and replacement, facilitates maintenance, and reduces replacement costs.

[0043] Specifically, the design of multiple electrochromic filters 130 allows for more flexible regulation of the light-emitting area and the photosensitive area, and can be customized according to different application scenarios and requirements. The design of multiple filters can also meet the different requirements of the light-emitting area and the photosensitive area for optical performance.

[0044] According to some embodiments of the present application, the photosensitive component 120 includes a first photosensitive diode 122 and a second photosensitive diode 124, the first photosensitive diode 122 can receive visible light, the second photosensitive diode 124 is arranged in parallel with the first photosensitive diode 122, and the second photosensitive diode 124 can receive infrared light; wherein the second photosensitive diode 124 is closer to the light-emitting component 110 than the first photosensitive diode 122.

[0045] In this embodiment, the light sensing component 120 includes a first light sensing diode 122 and a second light sensing diode 124. The first light sensing diode 122 can receive visible light, and the second light sensing diode 124 is arranged in parallel with the first light sensing diode 122. The second light sensing diode 124 can receive infrared light, so that a group of light sensing components 120 can receive different types of light, so as to realize the collective design of multi-functional light sensing diodes, reduce the volume, reduce the cost, and facilitate production and installation. Among them, the second light sensing diode 124 is closer to the light emitting component 110 than the first light sensing diode 122, and can more effectively receive infrared light signals, reducing the attenuation and interference of light signals during transmission.

[0046] According to some embodiments of the present application, the light emitting component 110 is a full-spectrum light emitting diode 112 .

[0047] In this embodiment, the light emitting component 110 is a full-spectrum light emitting diode 112. The full-spectrum light emitting diode 112 can emit visible light and infrared light, thereby achieving infrared light transmission between the light emitting component 110 and the light sensing component 120, thereby achieving the infrared remote control function of the electronic device 200.

[0048] Furthermore, when the electronic device 200 is in remote control mode, the infrared light emitted by the full-spectrum LED 112 is used to implement the remote control function. Since infrared light has strong penetrating power and is not easily interfered with, communication between remote control devices can be achieved through the transmission of infrared light.

[0049] According to some embodiments of the present application, the optical module 100 also includes a laser emitter 114, and the electrochromic filter 130 also includes a third state. In the third state, all light passes through the electrochromic filter 130, and the laser emitter 114 is arranged on the light-emitting component 110. After the laser emitter 114 emits a laser, the photosensitive component 120 receives the laser, and the optical module 100 has a ranging function.

[0050] In this embodiment, the optical module 100 also includes a laser emitter 114, and the electrochromic filter 130 also includes a third state. In the third state, all light passes through the electrochromic filter 130, and the laser emitter 114 is arranged on the light-emitting component 110. When the laser emitter 114 emits laser and the photosensitive component 120 receives laser, the optical module 100 has a ranging function.

[0051] The laser emitter 114 can emit laser, and when the optical module 100 is in the distance measurement mode, the electrochromic filter 130 allows the laser to pass through, that is, in the third state, the filter is controlled to be transparent, allowing the laser to pass through, thereby ensuring the accuracy and stability of the distance measurement. The laser emitter 114 can emit laser; the photosensitive component 120 can receive laser, and the distance is measured according to the time when the laser emitter 114 emits the laser and the time when the photosensitive component 120 receives the laser, thereby improving the distance measurement efficiency, shortening the measurement time, and reducing the measurement cost. The laser emitter 114 can quickly emit laser, and the photosensitive component 120 can also quickly receive laser, so that the electronic device 200 can complete the distance measurement operation in a very short time and realize the real-time distance measurement function.

[0052] Furthermore, by precisely controlling the emission and reception of lasers, the distance change can be measured and the distance measurement requirements of the electronic device 200 can be met. Since lasers have the characteristics of short wavelength, good directivity, and high brightness, laser distance measurement can achieve high-precision measurement.

[0053] Furthermore, in different environments, the electrochromic filter 130 can ensure the transmission effect of the laser by adjusting the light transmittance, thereby improving the reliability and accuracy of the distance measurement.

[0054] According to some embodiments of the present application, the light emitting component 110 is a ring-shaped structure, and the laser emitter 114 is disposed at the center of the light emitting component 110 .

[0055] In this embodiment, the light emitting component 110 is a ring structure, and the laser emitter 114 is arranged at the center of the ring of the light emitting component 110, which is convenient for calibrating the optical module 100 and improving the ranging accuracy. The ring-shaped light emitting component 110 can produce a uniform light distribution, avoiding the problem of too concentrated or too dispersed light. Among them, the light emitting component 110 is arranged in a ring shape, and the laser emitter 114 is arranged inside the ring-shaped light emitting component 110, realizing an integrated design and improving the neatness of the appearance.

[0056] According to some embodiments of the present application, the spectrum range of the infrared light is 400nm to 780nm, and the spectrum peak of the infrared light is 940nm.

[0057] In this embodiment, the spectrum range of infrared light is 400nm to 780nm, and the spectrum peak of infrared light is 940nm, which improves the performance of the optical module 100. The infrared light with a spectrum peak of 940nm is in a range that is invisible to the human eye. Therefore, an infrared remote controller using this wavelength will not emit visible light during operation, and has good concealment. The infrared remote controller composed of the optical module 100 controls the device by emitting infrared light signals, and the infrared light of 940nm can reduce power consumption and extend battery life while ensuring an effective transmission distance due to its characteristics. The infrared light in this wavelength range matches the peak wavelength of light received by most infrared receiving devices, so a higher transmission efficiency can be obtained.

[0058] Specifically, Figure 4 As shown, the emission spectrum curve of the full-spectrum light emitting diode 112 includes a wide spectrum of visible light from 400nm to 780nm and a near-infrared spectrum with a peak of 940nm. Specific semiconductor materials such as gallium nitride GaN, aluminum gallium arsenide phosphide AlGaAsP, etc. can be selected to make wafers for the production of full-spectrum light emitting diodes 112. The emission wavelength is adjusted by adjusting the composition ratio of the materials to achieve high luminous efficiency of visible light and near-infrared. Among them, when the wavelength of visible light is between 400nm and 780nm, the relative radiation intensity of visible light is between 0.4 and 1.

[0059] The photosensitive component 120 can be a photodiode, and the received spectral curve includes a wide spectrum of visible light from 400nm to 780nm and a near-infrared spectrum with a peak of 940nm. A photodiode is a semiconductor device that converts optical signals into electrical signals, and its manufacturing process and material selection have a direct impact on the performance of the device. Generally, silicon (Si) photodiodes are usually more sensitive to light in the visible light range, while germanium (Ge) and indium antimonide (InSb) are more sensitive to infrared light. This solution uses the combination of semiconductor materials described above to make 10 photodiode wafer packages, each of which includes 1 infrared photodiode plus 9 visible light photodiodes. Among them, the infrared photodiode has a larger area and is closer to the light-emitting diode layout, and the visible light photodiodes are arranged in an orderly manner to achieve a higher light receiving angle and sensitivity.

[0060] Specifically, the light emitting component 110 can also be gallium nitride (GaN), indium gallium nitride (InGaN), aluminum indium gallium phosphide (AlInGaP), etc. The material of the near-infrared light emitting diode generally includes indium gallium arsenide (InGaAs), indium gallium arsenide phosphide (InGaAsP), etc.

[0061] Specifically, Figure 5 As shown, the electrochromic filter 130 can be independently regulated in dual bands, that is, the composite material can be used to allow or block at least two wavelengths of first light and at least two wavelengths of second light. The composite material can be tungsten oxide (WO 3-x ), among which, oxygen vacancies in the lattice of tungsten oxide nanomaterials are the key to near-infrared light regulation. A single-component dual-band regulation film based on high aspect ratio quasi-stoichiometric tungsten oxide nanorods (WO3NRs) was designed. The initial synthesized W 18 O 49 The nanowires were annealed in air at 400 °C for 40 min. The heat treatment induced complete oxidation and conversion to triclinic tungsten trioxide (WO3) close to the stoichiometric ratio. -1 )+LiClO4 electrolyte, the near-infrared transmittance changed by 28%. By adding an appropriate amount of LiI to the electrolyte, the near-infrared transmittance was improved. When LiClO4 (0.7 mol·L -1 )+LiI(0.3mol·L -1 ) mixed electrolyte, the near-infrared transmittance increased from 46.8% to 99.8%, which is attributed to the use of LiI to induce the Pt-catalyzed I- The Faraday current during the redox reaction can inject electrons into the WO3 lattice and charge the capacitive surface. Under the open circuit voltage, WO3 is transparent, allowing most of the visible light and near-infrared light to pass through and be in a "bright" state. Figure 5As shown in case A, a large number of electrons generated by the redox reaction at a medium potential are injected into WO3, and Li + The surface capacitance of WO3 leads to strong absorption of near-infrared light, but little change in visible light, which is in a "bright and cold" state. Figure 5 As shown in case D, at higher voltage, Li + When embedded in the WO3 lattice, visible light and near-infrared light are absorbed simultaneously in a "dark" state, i.e. Figure 5 The C situation in the middle shows that the near infrared does not change much, but the visible light is strongly absorbed, which is the "dark heat" (Warm) state, as shown in Figure 5 As shown in state B.

[0062] Furthermore, by adding a component that transmits near-infrared light but basically does not transmit visible light, the brightness and heat can be controlled by applying different voltages, and the four-state switching control of "bright hot", "bright cold", "dark hot" and "dark cold" can be realized.

[0063] like Figure 6 As shown, when infrared remote control is performed through the optical module 100, when the user clicks a button to use the remote control, the light-emitting component 110 emits a light wave of a specific code type, and at the same time triggers the photosensitive diode to receive infrared light energy, wherein the integration time of the receiving end is switched to the same time as the light wave of the transmitting end. If the energy of the receiving end exceeds the set threshold, it is judged as a blocked state, and the user is prompted that the remote control is blocked, please pay attention to remove the blockage. Among them, the emission of infrared light starts from the least significant bit (Least Significant Bit, LSB) and is sent to the most significant bit (Most Significant Bit, MSB). When the electronic device 200 sends an infrared signal, the signal contains address information (Address) and command code (Command) to realize the exchange of signals, ensuring that the electronic device 200 can accurately send execution information or other control information.

[0064] Specifically, the optical module 100 in the present application has multiple working states, and the working principles of the light emitting component 110, the light sensing component 120 and the electrochromic filter 130 in the corresponding working states are different, which can be specifically:

[0065] As shown in Table 1-1 below, when the working state of the optical module 100 is a non-working state, the visible light transmittance of the electrochromic filter 130 is adjusted to 0, and the infrared light transmittance of the electrochromic filter 130 can be 0 or 1, that is, the visible light is blocked, and the lens opening is hidden to achieve a hole-free appearance effect, thereby improving the neatness and aesthetics of the appearance. The light-emitting component 110 can be a light-emitting diode (Light Emitting Diode, LED), and the light-sensitive component 120 can be a photodiode (Photodiode, PD).

[0066] Table 1-1

[0067]

[0068] Specifically, when the working state of the optical module 100 is the infrared remote control state, the control module 210 can turn on the occlusion recognition sensor, the light-emitting component 110 can emit light, the light-sensitive component 120 can receive light, and adjust the visible light transmittance of the electrochromic filter 130 to 0 to avoid visible light flicker affecting user use. At the same time, the infrared light transmittance of the electrochromic filter 130 is adjusted to 1 to achieve effective transmission of infrared light, so as to improve the infrared remote control light output power.

[0069] When the electronic device 200 is taking photos, the electronic device 200 can use the camera to take pictures and use the color temperature sensor to detect the light. The optical module 100 is in the color temperature detection state. It is necessary to turn on the light-emitting component 110 and the light-sensitive component 120, and adjust the visible light transmittance of the electrochromic filter 130 to 1. The infrared light transmittance of the electrochromic filter 130 can be 0 or 1, thereby realizing the detection of visible light and improving the sensitivity of ambient light color temperature detection.

[0070] When the working state of the optical module 100 is fill light, the optical module 100 is a flash, the light emitting component 110 is turned on in a dark environment, the visible light transmittance of the electrochromic filter 130 is adjusted to 1, and the infrared light transmittance of the electrochromic filter 130 can be 0 or 1 to increase the light output power of the flash. Since the flash working scene supports color temperature detection and infrared remote control working at the same time, it is sufficient to turn on the photosensitive diode and adjust the infrared light transmittance of the filter to 1 at this time.

[0071] like Figure 7 As shown, the laser emitter 114 can be arranged in parallel with the light sensing component 120.

[0072] like Figure 8 As shown, according to a control method of an optical module in some embodiments of the present application, the optical module includes a light-emitting component, a light-sensing component and an electrochromic filter, the light-emitting component can emit light, and the light includes infrared light and visible light. The control method includes:

[0073] Step 302, the light emitting component emits light;

[0074] Step 304, controlling the electrochromic filter to filter out visible light, and when the light sensing component receives infrared light, the optical module is in remote control mode;

[0075] Step 306, controlling the electrochromic filter to filter out infrared light, and when the light sensing component receives visible light, the optical module is in a photographing mode;

[0076] Step 308, controlling the electrochromic filter to filter out infrared light, and when the light sensing component is not working, the optical module is in the lighting mode.

[0077] The present application provides a control method for an optical module, the optical module including a light-emitting component, a light-sensing component and an electrochromic filter, the light-emitting component can emit light, the light including infrared light and visible light, the control method comprising: the light-emitting component emits light, the light including visible light and infrared light; controlling the electrochromic filter to filter out visible light, and the light-sensing component to receive infrared light, the optical module is in remote control mode, at this time, the electrochromic filter filters out visible light, the optical module emits infrared light to the outside, transmits infrared remote control signals, and the light-sensing component receives infrared light emitted from the outside, thereby realizing the remote control function, so that the electronic device with the optical module can be used as an infrared remote control, without the need for additional infrared transmitting and receiving components, simplifying the structure and reducing costs.

[0078] When the electrochromic filter is controlled to filter out infrared light and the photosensitive component receives visible light, the optical module is in the photo taking mode and the light emitting component can emit visible light as auxiliary lighting to achieve fill light for shooting, so that the optical module can be used as a fill light for the shooting equipment and cooperate with the lens assembly to complete the shooting.

[0079] The electrochromic filter is controlled to filter out infrared light. When the light-sensing component is not working, the optical module is in lighting mode. At this time, the light-emitting component emits visible light to provide lighting function, so that the optical module can be used as a flashlight or other lighting tool when needed, increasing practicality and versatility.

[0080] By cooperating with light-emitting components, light-sensing components and electrochromic filters, the transmission or blocking of visible light and infrared light is controlled to realize multiple modes of electronic devices. At the same time, the structure of the optical module is simplified, and multiple sets of light-emitting components and light-sensing components are no longer required, which reduces the volume of the optical module and thus reduces the space occupied by the optical module. This can reduce the production cost of electronic equipment, realize the lightweight design of the optical module, and facilitate the realization of lightweight and thin electronic devices.

[0081] According to some embodiments of the present application, the control method also includes controlling the electrochromic filter to filter out visible light, the photosensitive component to work, and when the intensity of infrared light received by the photosensitive component is lower than a preset intensity, it is determined that the optical module is blocked.

[0082] In this embodiment, the control method also includes controlling the electrochromic filter to filter out visible light, the light-sensing component to work, the intensity of infrared light received by the light-sensing component is lower than the preset intensity, and the optical module is judged to be blocked, and the blockage detection is realized, so as to remind the user and adjust the position of the device in time to avoid the optical module being blocked and affecting the normal shooting, infrared remote control and lighting of the device. If the light-emitting component is blocked, the optical module can issue a warning or take other measures to ensure the normal operation of the electronic device. When the user realizes that the light-emitting component is blocked, the user can take action to ensure the normal realization of the remote control function, thereby avoiding unnecessary troubles and troubles during the remote control process.

[0083] Furthermore, when the electrochromic filter is controlled to filter out visible light and the photosensitive component is working, if the intensity of infrared light received by the photosensitive component is lower than a preset intensity, it is judged that the optical module is blocked; if the intensity of infrared light received by the photosensitive component is not lower than the preset intensity, it is judged that the optical module is not blocked, which makes it convenient for users to know the working condition of the photosensitive component and improves working stability.

[0084] like Figure 1 and Figure 2 As shown, an electronic device 200 according to some embodiments of the present application includes an optical module 100 as in any one of the above embodiments. Therefore, the electronic device 200 has all the beneficial effects of the optical module 100 as in any one of the above embodiments.

[0085] The electronic device 200 provided in the present application includes a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the control method of the optical module in the above embodiment are implemented. Therefore, the electronic device 200 has all the beneficial effects of the control method of the optical module in the above embodiment.

[0086] Specifically, when the electronic device 200 is in the standby mode, the control module 210 can control the electrochromic filter 130 to block the passage of visible light, making the electrochromic filter 130 opaque, thereby blocking the passage of visible light, making it impossible for the light-emitting component 110 and the light-sensitive component 120 to be observed from the outside, thereby hiding the opening and making the appearance of the electronic device 200 neater.

[0087] Specifically, the electrochromic filter 130 may include an electrochromic layer 132, a conductive layer 134, and a glass layer 136. The overall structural strength of the electrochromic filter 130 may be improved by layering. The number of the conductive layer 134 is at least two, and the at least two conductive layers 134 are respectively located on both sides of the electrochromic layer 132. The number of the glass layer 136 is at least two, and the at least two glass layers 136 are respectively attached to the at least two conductive layers 134. Based on a reversible electrochemical redox reaction, a specific voltage may be input to the at least two conductive layers 134, so that the ions in the electrochromic layer 132 in the at least two conductive layers 134 are moved under the influence of the electric field, and specific physical and chemical changes occur, thereby changing the configuration and color transmittance of the material, thereby achieving the goal of allowing or blocking the passage of at least two wavelengths of first light and at least two wavelengths of second light. Based on the fact that the electrochromic filter 130 can control the passage of light, multiple modes of the electronic device 200 can be realized, while the structure of the optical module 100 is simplified, and multiple sets of light-emitting components 110 and light-sensitive components 120 are no longer required, thereby reducing production costs.

[0088] Specifically, Figure 2 and Figure 3 As shown, the microcontroller unit (MCU) 214 in the control module 210 codes the duty cycle emission to realize the function of controlling the electrochromic filter 130 to allow or block at least two wavelengths of first light and at least two wavelengths of second light to pass through.

[0089] Among them, the optical module 100 of the electronic device 200 also includes a color temperature sensor, and the color temperature sensor receives different types of light filtered by a photodiode (PD) alone, and the occlusion recognition sensor realizes the function by emitting light from a light-emitting diode and receiving light from a photodiode. The electronic device 200 can be a handheld communication device, so the user's hand will be placed on the back of the electronic device 200. Since the user's finger is about 15 mm, the layout distance of the infrared remote control and the occlusion recognition sensor can be set to be less than 15 mm, which can meet the requirement that both are blocked by the finger at the same time to realize the occlusion recognition function. Otherwise, if the finger area only covers the remote control, it is impossible to determine whether the remote control is blocked, or if it only covers the occlusion recognition sensor, it is misjudged that the remote control is blocked. The multifunctional optical module 100 can be integrated and designed through the light-emitting component 110, the light-sensing component 120 and the electrochromic filter 130, reducing the volume occupied by the optical module 100, and also simplifying the layout of the infrared remote control and the occlusion recognition sensor, thereby shortening the layout distance of the infrared remote control and the occlusion recognition sensor, and improving the anti-blocking effect of the electronic device 200.

[0090] Specifically, Figure 5As shown, infrared light is light L1, and visible light is light L2. Specifically, when the optical module is in the ranging mode, the electrochromic filter is controlled to allow the laser to pass through; that is, in the ranging mode, the filter is controlled to be transparent, allowing the laser to pass through, thereby ensuring the accuracy and stability of the ranging.

[0091] The present application provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the steps of the control method of the optical module in any one of the above embodiments are implemented. Therefore, the readable storage medium has all the beneficial effects of the control method of the optical module in any one of the above embodiments.

[0092] Fig. 9 A schematic diagram of the hardware structure of an electronic device to implement an embodiment of the present application.

[0093] The electronic device 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009 and a processor 1010 and other components.

[0094] Those skilled in the art will appreciate that the electronic device 1000 may also include a power source (such as a battery) for supplying power to each component, and the power source may be logically connected to the processor 1010 through a power management system, thereby implementing functions such as managing charging, discharging, and power consumption management through the power management system. Fig. 9 The electronic device structure shown in the figure does not constitute a limitation on the electronic device. The electronic device may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently, which will not be described in detail here.

[0095] Among them, processor 1010 is used to control the light-emitting component to emit light, control the electrochromic filter to filter out visible light, and when the photosensitive component receives infrared light, the optical module is in remote control mode; control the electrochromic filter to filter out infrared light, and when the photosensitive component receives visible light, the optical module is in photo taking mode; control the electrochromic filter to filter out infrared light, and when the photosensitive component is not working, the optical module is in lighting mode.

[0096] Further, the processor 1010 is used to control the electrochromic filter to filter out visible light, and the light sensing component works, but the intensity of infrared light received by the light sensing component is lower than a preset intensity, and it is determined that the optical module is blocked.

[0097] Furthermore, the processor 1010 is used to control the electrochromic filter of the optical module to allow or block at least two wavelengths of first light and at least two wavelengths of second light to pass through based on the working mode of the electronic device.

[0098] In the embodiment of the present application, the processor 1010 is used to control the electrochromic filter of the optical module to allow or block the passage of at least two wavelengths of first light and at least two wavelengths of second light based on the working mode of the electronic device, thereby simplifying the structure of the optical module while achieving coordination with multiple modes of the electronic device, and no longer requiring additional multiple sets of light-emitting components and light-sensing components, thereby reducing production costs. The multifunctional optical module can be integrated and designed through the light-emitting components, light-sensing components, and electrochromic filters, reducing the volume occupied by the optical module and the size of the opening on the back of the electronic device, so that the opening on the back of the electronic device can be hidden when the optical module is in a non-working mode, thereby improving the neatness and aesthetics of the exterior of the electronic device.

[0099] Furthermore, the processor 1010 is used to control the electrochromic filter of the optical module to allow or block the passage of at least two wavelengths of first light and at least two wavelengths of second light based on the working mode of the electronic device, including: when the electronic device is in the remote control mode, controlling the electrochromic filter to allow infrared light to pass through and block visible light from passing through.

[0100] In this embodiment, based on the working mode of the electronic device, controlling the electrochromic filter of the optical module to allow or block the passage of at least two wavelengths of first light and at least two wavelengths of second light includes: when the electronic device is in the remote control mode, controlling the electrochromic filter to allow infrared light to pass through and block visible light. Since infrared light has strong penetrating power and is not easily interfered with, communication between remote control devices can be achieved through the transmission of infrared light. Therefore, the control module changes the optical properties of the electrochromic filter by applying voltage, so that it allows infrared light to pass through and blocks visible light. When the full-spectrum light emitting diode, that is, the light-emitting component, emits light, only infrared light can pass through the filter and be received by the external device, thereby realizing the infrared remote control function.

[0101] Furthermore, the processor 1010 is used to control the light-emitting component of the optical module to emit visible light and infrared light; control the light-sensing component of the optical module to receive infrared light; and obtain the shielding state of the light-emitting component according to the energy of the infrared light received by the light-sensing component.

[0102] In the embodiment of the present application, the light-emitting component of the optical module is controlled to emit visible light and infrared light; the light-sensing component of the optical module is controlled to receive infrared light; and the shielding state of the light-emitting component is obtained according to the energy of the infrared light received by the light-sensing component. Since the light-sensing component can receive infrared light when the electronic device uses the optical module to realize infrared remote control, if artificial shielding occurs, the energy of the infrared light received by the light-sensing component will change. Therefore, the control module can obtain the shielding state of the light-emitting component according to the energy of the infrared light received by the light-sensing component, and then realize the detection of whether the light-emitting component is blocked. By detecting whether the light-emitting component is blocked, the detection information can be further transmitted to the display end of the electronic device in the form of an electrical signal, and a shielding reminder or warning can be issued to the user, so that the user can take other measures based on the shielding situation, thereby avoiding unnecessary troubles and troubles during the remote control process.

[0103] Furthermore, the processor 1010 is used to control the electrochromic filter to block visible light from passing through when the electronic device is in the standby mode.

[0104] In the embodiment of the present application, based on the working mode of the electronic device, controlling the electrochromic filter of the optical module to allow or block the passage of at least two wavelengths of first light and at least two wavelengths of second light includes: when the electronic device is in standby mode, controlling the electrochromic filter to block the passage of visible light. The electrochromic filter is made opaque, thereby blocking the passage of visible light, so that the light-emitting component and the light-sensing component cannot be observed from the outside, thereby hiding the opening, making the appearance of the electronic device neater.

[0105] Furthermore, the processor 1010 is used to control the electrochromic filter to allow visible light to pass through when the electronic device is in a shooting mode; the control method also includes controlling the photosensitive component of the optical module to receive visible light; and obtaining the color temperature and / or brightness of the visible light based on the visible light received by the photosensitive component.

[0106] Furthermore, the processor 1010 is used to control the electrochromic filter to allow visible light to pass through when the electronic device is in the lighting mode or the fill light mode.

[0107] In this embodiment, based on the working mode of the electronic device, controlling the electrochromic filter of the optical module to allow or block the passage of at least two wavelengths of first light and at least two wavelengths of second light includes: when the electronic device is in the lighting mode or the fill light mode, controlling the electrochromic filter to allow visible light to pass through, and in the lighting mode or the fill light mode, the electrochromic filter is controlled to be in a transparent state to allow visible light to pass through. This enables the electronic device to emit natural and soft light, provide a comfortable lighting environment for the user, and achieve lighting or fill light.

[0108] Furthermore, the processor 1010 is used to control the laser emitter of the optical module to emit laser; control the photosensitive component of the optical module to receive laser; and measure the distance according to the time when the laser emitter emits laser and the time when the photosensitive component receives laser.

[0109] In this embodiment, based on the working mode of the electronic device, controlling the electrochromic filter of the optical module to allow or block the passage of at least two wavelengths of first light and at least two wavelengths of second light includes: when the electronic device is in the ranging mode, controlling the electrochromic filter to allow the laser to pass; that is, in the ranging mode, the filter is controlled to be transparent, allowing the laser to pass, thereby ensuring the accuracy and stability of the ranging. The laser transmitter can emit laser; the photosensitive component can receive laser, and the control method also includes controlling the laser transmitter of the optical module to emit laser; controlling the photosensitive component of the optical module to receive laser; measuring the distance according to the moment when the laser transmitter emits laser and the moment when the photosensitive component receives laser, and the distance can be measured according to the moment when the laser transmitter emits laser and the moment when the photosensitive component receives laser, thereby improving the ranging efficiency, shortening the measurement time, and reducing the measurement cost. The laser transmitter can quickly emit laser, and the photosensitive component can also quickly receive laser, so that the electronic device can complete the ranging operation in a very short time and realize the real-time ranging function.

[0110] It should be understood that in the embodiment of the present application, the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042, and the graphics processor 10041 processes the image data of the static picture or action file obtained by the image capture device (such as a camera) in the action file capture mode or the image capture mode. The display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc. The user input unit 1007 includes a touch panel 10071 and at least one of other input devices 10072. The touch panel 10071 is also called a touch screen. The touch panel 10071 may include two parts: a touch detection device and a touch controller. Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.

[0111] The memory 1009 can be used to store software programs and various data. The memory 1009 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, an image playback function, etc.), etc. In addition, the memory 1009 may include a volatile memory or a non-volatile memory, or the memory 1009 may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM). The memory 1009 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.

[0112] The processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 1010.

[0113] The processor is the processor in the electronic device in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.

[0114] An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface and the processor are coupled, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned control method embodiment of the optical module, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0115] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0116] An embodiment of the present application provides a computer program product, which is stored in a storage medium. The program product is executed by at least one processor to implement the various processes of the control method embodiment of the optical module as described above, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

[0117] It should be noted that, in this article, the term "comprises", "includes" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, device, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, device, article or device. In the absence of further restrictions, an element defined by the statement "including one..." does not exclude the presence of other identical elements in the process, device, article or device including the element. In addition, it should be noted that the scope of the devices and apparatuses in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described device may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0118] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment device can be implemented by means of software plus a necessary general hardware platform, and of course it can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM / RAM, disk, CD), including a number of instructions for a terminal (which can be a mobile phone, computer, server, or network equipment, etc.) to execute the device of each embodiment of the present application.

[0119] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

[0120] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0121] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. An optical module, characterized in that: include: A light-emitting component, wherein the light-emitting component emits light, and the light includes infrared light and visible light; A light-sensing component, wherein the light-sensing component and the light-emitting component are arranged in parallel; An electrochromic filter, the electrochromic filter covering the light-emitting area of ​​the light-emitting component and / or the light-sensitive area of ​​the light-sensitive component; Wherein, the electrochromic filter has a first state and a second state. When the electrochromic filter is in the first state, the electrochromic filter can filter out the visible light, and the infrared light can pass through the electrochromic filter; When the electrochromic filter is in the second state, the visible light can pass through the electrochromic filter, and the electrochromic filter can filter out the infrared light; When the optical module is in remote control mode, the electrochromic filter is in a first state, the light emitting component emits light, and the light sensing component receives infrared light; and / or, When the optical module is in shooting mode, the electrochromic filter is in a second state, the light emitting component emits light, and the light sensing component receives visible light; and / or, When the optical module is in the lighting mode, the electrochromic filter is in the second state, and the light-emitting component emits light.

2. The optical module according to claim 1, characterized in that: The number of the electrochromic filter is one, and the electrochromic filter covers both the light-emitting area of ​​the light-emitting component and the light-sensitive area of ​​the light-sensitive component; or There are multiple electrochromic filters, and the multiple electrochromic filters respectively cover the light-emitting area of ​​the light-emitting component and the light-sensitive area of ​​the light-sensitive component.

3. The optical module according to claim 1, characterized in that: The light sensing component comprises: a first photosensitive diode, wherein the first photosensitive diode is capable of receiving visible light; a second photosensitive diode, the second photosensitive diode is arranged in parallel with the first photosensitive diode, and the second photosensitive diode can receive infrared light; The second photodiode is closer to the light-emitting component than the first photodiode.

4. The optical module according to any one of claims 1 to 3, characterized in that: The light emitting component is a full-spectrum light emitting diode.

5. The optical module according to any one of claims 1 to 3, characterized in that: It also includes a laser emitter, and the electrochromic filter also includes a third state. In the third state, all light passes through the electrochromic filter. The laser emitter is arranged on the light-emitting component. After the laser emitter emits the laser, the photosensitive component receives the laser, and the optical module has a ranging function.

6. The optical module according to claim 5, characterized in that: The light-emitting component is a ring-shaped structure, and the laser emitter is arranged at the center of the light-emitting component.

7. The optical module according to claim 1, characterized in that: The spectrum range of the infrared light is 400nm to 780nm, and the spectrum peak of the infrared light is 940nm.

8. A control method for an optical module, characterized in that: The optical module includes a light-emitting component, a light-sensing component and an electrochromic filter, the light-emitting component can emit light, the light includes infrared light and visible light, and the control method includes: The light emitting component emits the light; When the electrochromic filter is controlled to filter out the visible light and the light sensing component receives the infrared light, the optical module is in a remote control mode; The electrochromic filter is controlled to filter out the infrared light, and when the light sensing component receives the visible light, the optical module is in a photographing mode; The electrochromic filter is controlled to filter out the infrared light, and when the light sensing component is not working, the optical module is in the lighting mode.

9. The control method of the optical module according to claim 8, characterized in that: The control method further comprises: The electrochromic filter is controlled to filter out the visible light, the light sensing component is operated, and when the intensity of the infrared light received by the light sensing component is lower than a preset intensity, it is determined that the optical module is blocked.

10. An electronic device, characterized in that: include: The optical module according to any one of claims 1 to 7; or A processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the control method of the optical module as described in claim 8 or 9 are implemented.

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