Lighting cosmetic device

Abstract

This utility model discloses a light therapy beauty device, comprising: multiple light sources for outputting light energy to the user's skin; and a control device electrically connected to the multiple light sources for controlling the multiple light sources to output light in multiple output modes with different light characteristics, the multiple output modes including a composite mode, the composite mode including at least: a first mode for activating the skin; and a second mode for maintaining the skin in an active state. The technical solution of this application is beneficial for improving the therapeutic effect of light therapy beauty devices.

Description

Technical Field

[0001] This utility model relates to the field of beauty equipment technology, and in particular to a light-based beauty device. Background Technology

[0002] With societal development, people's demand for a positive public image is increasing, leading to a growing popularity of beauty devices such as hair removal devices, skin rejuvenation devices, and light therapy equipment. The market offers a wide variety of beauty devices, among which light therapy equipment primarily uses built-in LEDs to emit light beams that act on the user's skin to achieve specific skin treatment effects, such as skin rejuvenation, hair removal, and hair regrowth.

[0003] These types of light-based beauty devices currently use relatively simple light sources and do not comprehensively consider the many factors in the beauty process, resulting in beauty effects that cannot meet people's needs. Utility Model Content

[0004] The main purpose of this utility model is to provide a light-based beauty device, which aims to improve the therapeutic effect of light-based beauty devices.

[0005] A light-based beauty device, comprising:

[0006] Multiple light sources are used to deliver light energy to the user's skin;

[0007] A control device, electrically connected to the various light sources, is used to control the various light sources to output light in multiple output modes with different light characteristics.

[0008] The multiple output modes include a composite mode.

[0009] The composite mode includes at least: a first mode for activating the skin; and a second mode for maintaining the skin in an active state.

[0010] In this invention, a light-based beauty device is configured to include multiple light sources and a control device. The control device controls the multiple light sources to output light in various modes with different light characteristics. These multiple output modes include a composite mode (at least a first mode and a second mode). The composite mode is used to first activate the skin and then maintain its active state, ultimately achieving the therapeutic effect. Thus, the light-based beauty device can appropriately combine and continuously achieve multiple output modes in a way that effectively enhances the beauty effect, significantly increasing the number of beauty modes with high aesthetic efficacy. Simultaneously, the combined output of multiple light sources used in the light-based beauty device comprehensively considers the stage-by-stage effects during the beauty process to improve the final beauty effect, thereby meeting people's beauty needs. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of one embodiment of the light-emitting beauty device.

[0013] Figure 2 for Figure 1 A structural diagram from another perspective;

[0014] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0015] Explanation of icon numbers:

[0016]

[0017] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0020] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the term "and / or" throughout the text includes three solutions; taking A and / or B as an example, it includes technical solution A, technical solution B, and a technical solution that simultaneously satisfies A and B. Furthermore, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0021] This utility model mainly proposes a light-based beauty device 10, primarily used for skin care treatment. It utilizes multiple light sources to emit a composite light pattern, allowing the skin to achieve different therapeutic effects under specific light combinations. Different types of light sources, different irradiance durations, different brightness duty cycles, and different irradiance and light intensity, etc., all affect the composite light effect. In the following embodiments, multiple composite modes will be proposed based on various operating conditions to achieve different therapeutic effects.

[0022] To facilitate understanding of the solution in this application, the concept of "brightness duty cycle" will be explained first.

[0023] In this application, pulses are used to power the light source, and pulse width modulation (PWM) is used to control the output effect of the light source. PWM is a technique that modulates the width of a series of pulses to transmit information or control energy. Simply put, it uses digital output to achieve the effect of analog control.

[0024] In a complete pulse width modulation (PWM) cycle, the ratio of the high-level duration to the total cycle time is called the duty cycle. It is usually expressed as a percentage, ranging from 0% to 100%. For example, if a cycle is 1 second and the high-level time is 0.5 seconds, then the duty cycle is 50%.

[0025] When using pulse width modulation (PWM) to control the brightness of LEDs, it essentially simulates changes in brightness by rapidly switching the LEDs on and off. Due to the persistence of vision, the human eye perceives the light as continuous and varying in brightness when the switching frequency is high enough (typically greater than 24Hz), rather than flickering. Increasing the duty cycle—that is, increasing the proportion of time the LED is on in each cycle—makes the LED appear brighter; conversely, decreasing the duty cycle makes the LED appear dimmer.

[0026] Therefore, the brightness duty cycle refers to the ratio of the duration of light source illumination to the total unit time, which can be expressed as a percentage, ranging from 0% to 100%. For example, if the unit time is 1 second and the total duration of light source illumination is 0.75 seconds, then the brightness duty cycle is 75%.

[0027] The following will mainly describe the specific structure of the light-based beauty device 10.

[0028] Reference Figures 1 to 3 In this embodiment of the utility model, the light-based beauty device 10 includes:

[0029] Multiple light sources are used to deliver light energy to the user's skin;

[0030] A control device, electrically connected to the various light sources, is used to control the various light sources to output light in multiple output modes with different light characteristics.

[0031] The multiple output modes include a composite mode.

[0032] The composite mode includes at least: a first mode for activating the skin; and a second mode for maintaining the skin in an active state.

[0033] Specifically, in this embodiment, the various light sources can take many forms. Taking LED lights as an example, the types of light sources can include at least two of the following: blue light, yellow light and / or green light, infrared light and / or far-infrared light, and red light. Of course, in different embodiments, the specific types of light included in the various light sources can be different. The LED beads can be mounted on the lamp board 100, and the arrangement of multiple LED beads can be varied. For example, LED beads of the same color can be arranged in a row, or LED beads of different colors can be mixed and arranged in a row. In some embodiments, LED beads of some colors can be arranged in a row of the same color, and LED beads of different colors can be mixed and arranged in a row. A specific example could be that red LED beads 210, blue LED beads 240, infrared LED beads 250, and far-infrared LED beads 260 are arranged in separate rows, while yellow LED beads 220 and green LED beads 230 are arranged alternately and mixed in a row. Of course, in some embodiments, in order to save space, multiple colors of LED beads can be installed in the same lampshade and their brightness can be controlled separately. For example, blue LED bead 240, infrared LED bead 250 and far-infrared LED bead 260 can be installed together.

[0034] The control device may have a main control circuit for controlling the operation of all LEDs, including brightness, irradiance, and luminous intensity. The control device also controls multiple light sources to achieve output in various modes with different light characteristics. These multiple output modes include composite modes, which at least include: a first mode for activating the skin, and a second mode for maintaining the skin's active state; the second mode typically follows the first mode. Activating the skin (Mode 1) adjusts the skin's condition to a state conducive to a specific treatment, such as skin rejuvenation, acne treatment, enhanced skin penetration, whitening, oil control, soothing, repair, special care, hair care, intimate care, abdominal care, etc. (These states can have strong and weak states, which can be achieved by adjusting the parameters of the light properties). Maintaining this activated state (Mode 2 can be a stronger or weaker version of Mode 1, or another version of Mode 1) is then achieved through the combined execution of Modes 1 and 2, ultimately achieving goals such as brightening and rejuvenating the skin, whitening and rejuvenating the skin, basic acne treatment, acne-prone skin repair, evening skin tone, soothing and reducing redness, special repair, wrinkle reduction and firming, dry skin care, refining pores, balancing oil and water, strengthening the skin barrier, enhanced skin penetration, intimate care, hair care, and abdominal care. For example, brightening and rejuvenating the skin can be achieved by repeatedly executing the whitening mode, while dry skin care requires sequentially executing the enhanced skin penetration mode and the soothing mode. Mode 2 can be an inheritance and evolution of Mode 1, or a transformation of Mode 1. That is, in some embodiments, the second function of the second mode has the function of enhancing or maintaining the first function of the first mode (the first function and the second function are related and similar); in other embodiments, the second function of the second mode has the function of transforming the first function of the first mode, so that the final effect of the composite mode on the skin is related to the first function, but there is a big difference (the light properties of the first mode and the second mode are very different, which leads to a big difference between the first function and the second function. It can be understood that the first function and the second function are two very different steps to achieve the final effect).

[0035] It is worth noting that when activating the skin (first mode) and maintaining the skin's active state (second mode), the light characteristic parameters are not necessarily stronger in the first mode than in the second mode, nor are they necessarily stronger in the second mode than in the first mode. It depends on the specific operating conditions and the specific characteristics (light source type and light characteristic parameters) of each functional mode. This will be explained in detail in the following specific embodiments.

[0036] In this embodiment, the light-based beauty device 10 is configured to include multiple light sources and a control device. The control device controls the multiple light sources to output multiple output modes with different light characteristics. Among these multiple output modes are composite modes (including at least a first mode and a second mode). The composite mode is used to first activate the skin and then maintain the skin in an active state, so that the skin ultimately achieves the purpose of physical therapy. In this way, the light-based beauty device 10 can appropriately combine and continuously realize multiple output modes in a way that effectively improves the beauty effect, greatly increasing the number of beauty modes with high beauty effect. At the same time, the combination output of multiple light sources used by the light-based beauty device 10 takes into account the stage effects in the beauty process to improve the final beauty effect, thereby meeting people's beauty needs.

[0037] It is worth noting that in some embodiments, the composite mode may further include a third mode, which is used to consolidate the effects of the skin's active state. Specifically, the composite mode further includes a third mode, which includes a fifth output mode and a sixth output mode. The control device implements a third continuous switching process, which includes periodically repeating the fifth output mode and the sixth output mode. The duration of the fifth output mode is less than or equal to the duration of the sixth output mode. For light sources included in both the fifth and sixth output modes, the brightness duty cycle in the fifth output mode is greater than the brightness duty cycle in the sixth output mode.

[0038] It is understood that in some embodiments, to achieve specific effects, the composite mode may also include a fourth mode, a fifth mode, a sixth mode, etc. The number of modes is not limited here; more modes can be set as long as a specific therapeutic purpose is achieved. To simplify the description and improve explanatory efficiency, the following embodiments will simultaneously introduce the first mode, the second mode, and the third mode. It is worth noting that the third mode is not mandatory for the composite mode, but is set according to specific working conditions.

[0039] At least one of the first mode, the second mode, and the third mode includes at least two of the multiple light sources. For example, the first mode may include at least two light sources, the second mode may include at least two light sources, the third mode may include at least two light sources, or multiple modes may simultaneously include at least two light sources.

[0040] In the first, second, and third modes, at least one of the light sources has different optical characteristics. These optical characteristics include at least one of the following: light source type, wavelength, irradiance, brightness duty cycle, and luminous intensity. In other words, the first, second, and third modes are illumination modes with different optical characteristics, which can be manifested in any difference in optical characteristics.

[0041] The differences in light properties are illustrated below with examples. Specifically, the differences in light properties can be due to the different types of light sources; that is, the types of light sources included in the first mode, the second mode, and the third mode are not entirely the same. For example, the first mode includes blue and red light, the second mode includes blue and green light, and the third mode includes blue, red, and green light.

[0042] The difference in light characteristics can lead to differences in brightness duty cycle. That is, for the same light source included in the first, second, and third modes, the maximum brightness duty cycle in the first mode is greater or less than the maximum brightness duty cycle in the second mode. For example, when blue light is included in the first, second, and third modes, the maximum brightness duty cycles of blue light in each mode are 22%, 20%, and 18%, respectively.

[0043] The difference in light characteristics can lead to different operating durations. That is, for the same light source included in the first, second, and third modes, the operating duration in the first mode may be shorter or longer than that in the second mode. For example, if the first, second, and third modes all contain blue light, the operating durations of blue light in each mode are 2 minutes, 3 minutes, and 5 minutes, respectively.

[0044] In some embodiments, at least one of the first mode and the second mode includes at least two of a plurality of light sources; the control device is further configured to implement a cyclic switching process, the cyclic switching process including periodically repeating the first mode and the second mode.

[0045] In this embodiment, the first mode and the second mode are repeated periodically, so that the activation of the skin and the maintenance of the skin activation state are repeated continuously. In this way, the skin can be kept in an active state that meets the conditions, thereby ensuring the therapeutic effect of the composite mode.

[0046] In some embodiments, after maintaining skin activity for an extended period using the second mode, the skin's activity may diminish. In such cases, the first mode needs to be run again to reactivate the skin and restore its vibrancy. This periodic repetition of the first and second modes helps maintain a relatively high level of skin activity, thus enhancing the therapeutic effect.

[0047] To continuously activate and maintain skin activity without damaging it, the duration of the first output mode is less than or equal to the duration of the second output mode. For light sources included in both the first and second modes, the brightness duty cycle in the first output mode is greater than that in the second output mode. Thus, the skin receives strong stimulation in the first mode, and this stimulation is maintained in the second mode. Simultaneously, the strong stimulation in the first mode is shorter, while the sustained stimulation in the second mode is longer, allowing the skin to maintain a relatively full and active state without damage.

[0048] In some embodiments, to more precisely control the light characteristics of each light source in the composite mode, at least one of the first mode and the second mode includes a first output mode and a second output mode. The control device is further configured to implement a first continuous switching process, which includes periodically repeating the first output mode and the second output mode. In this embodiment, by setting at least one of the first mode and the second mode to include both the first output mode and the second output mode, and by cyclically executing the first output mode and the second output mode, the first mode and the second mode can be controlled more accurately. Thus, whether it is the activation of the skin in the first mode or the maintenance of the active state in the second mode, it can be executed more meticulously and accurately. Specifically, the light characteristics of the first output mode and the second output mode are different, so the actual effects on the skin will also be different. For example, in the first mode, the first output mode can be strong activation, and the second output mode can be weak activation. This alternation of strong and weak activation can make the activation effect fuller, while better protecting the skin and avoiding prolonged strong stimulation.

[0049] Of course, in some embodiments, the first mode and the second mode may also include more output modes, such as a third output mode, a fourth output mode, etc. That is, the number of output modes included in the first mode and the second mode can be determined according to the specific operating conditions.

[0050] Taking an example where both the first and second modes include two output modes, the first mode includes a first output mode and a second output mode, while the second mode includes a third output mode and a fourth output mode. Specifically, the first output mode is a strong activation mode, the second output mode is a weak activation mode, the third output mode is a strong sustain mode, and the fourth mode is a weak sustain mode. The control device is used to execute a first continuous switching process and a second continuous switching process. The first continuous switching process includes periodically repeating the first output mode and the second output mode. The second continuous switching process includes periodically repeating the third output mode and the fourth output mode.

[0051] There are many ways to achieve strong activation, weak activation, strong maintenance, and weak maintenance. Examples are given below.

[0052] The first mode includes a first output mode and a second output mode. The control device implements a first continuous switching process, which includes periodically repeating the first output mode and the second output mode. The duration of the first output mode is less than or equal to the duration of the second output mode. For a light source included in both the first and second output modes, the brightness duty cycle in the first output mode is greater than the brightness duty cycle in the second output mode. Thus, the activation strength of the first and second output modes can be adjusted by regulating the brightness duty cycle of the same light source in both modes. Of course, in other embodiments, the activation strength of the output mode can also be adjusted by regulating other light characteristics.

[0053] The second mode includes a third output mode and a fourth output mode. The control device implements a second continuous switching process, which includes periodically repeating the third and fourth output modes. The duration of the third output mode is less than or equal to the duration of the fourth output mode. For light sources included in both the third and fourth output modes, the brightness duty cycle in the third output mode is greater than the brightness duty cycle in the fourth output mode. Thus, the strength of the ability to maintain the third and fourth output modes can be adjusted by regulating the brightness duty cycle of the same light source in both modes. Of course, in other embodiments, the strength of the output mode maintenance capability can also be adjusted by regulating other light characteristics.

[0054] The following will provide some specific implementation schemes to illustrate the working conditions to which this application can be applied. It should be noted that there can be many output modes in the above embodiments. If implemented in specific working conditions, the names may not be convenient to cover them. Therefore, in the following embodiments, "sub-mode" is used as the specific form of "output mode" to correspond to different working conditions, so that "output mode" can be specifically described in different situations.

[0055] First Functional Mode - Whitening and Skin-Smoothing Mode

[0056] This functional mode primarily targets erythema, sallow complexion, dullness, and uneven skin tone caused by factors such as staying up late, short-term poor lifestyle habits, overwork, and excessive sun exposure. It inhibits melanin production and promotes skin repair and regeneration, making it particularly suitable for treating damaged skin. Working principle: This mode combines red, yellow, and infrared light. Yellow light inhibits tyrosinase activity, reducing melanin production; red light enhances cell activity, promoting melanin breakdown; and infrared light promotes blood circulation, increasing cellular oxygenation and providing energy for the entire melanin metabolism process. The combined effect of these light sources brightens the skin tone.

[0057] To achieve better results, a tolerance-tolerant population can be established first, i.e., the skin is pre-treated before the specific treatment. Specifically, the skin is first irradiated with a combination of high-intensity light to activate target chromophore receptors within the cells, followed by continuous stimulation with a combination of low-intensity light. This keeps the cells in a more active state, resulting in faster skin repair and renewal, and better effects. Thus, in some embodiments, the whitening and skin-rejuvenating mode can be a combination of penetration enhancement (strong), whitening mode (strong), and whitening mode (weak).

[0058] Specifically, in some embodiments, the multiple light sources in the first and second modes include yellow and / or green light, infrared and / or ultra-infrared light, and red light. In the first mode, the multiple light sources operate according to their respective first brightness duty cycles, and in the second mode, the multiple light sources operate according to their respective second brightness duty cycles. The maximum value of the first brightness duty cycle is greater than the maximum value of the second brightness duty cycle, and / or, the duration of the first mode is the first duration, the duration of the second mode is the second duration, and the first and second durations are roughly equivalent. In this way, the skin can be activated first using yellow, red, and infrared light with a higher brightness duty cycle, putting the skin in an active state, and then maintained in an active state using yellow, red, and infrared light with a lower brightness duty cycle. This improves the skin whitening and rejuvenation effect while avoiding prolonged high-intensity light damage to the skin.

[0059] In some embodiments, in order to further enhance the skin whitening and rejuvenation effect.

[0060] The composite mode also includes a third mode. In the first, second, and third modes, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light. In the first mode, multiple light sources operate according to their respective first brightness duty cycles. In the second mode, multiple light sources operate according to their respective second brightness duty cycles. In the third mode, multiple light sources operate according to their respective twenty-third brightness duty cycles. The maximum value of the first brightness duty cycle is greater than the maximum value of the second brightness duty cycle, the maximum value of the second brightness duty cycle is greater than the maximum value of the twenty-third brightness duty cycle, and / or, the duration of the first mode is the first duration, the duration of the second mode is the second duration, and the duration of the third mode is the twenty-third duration. Both the first and second durations are less than the twenty-third duration.

[0061] Thus, in this embodiment, the skin can be activated first using yellow, red, and infrared light with a relatively high brightness duty cycle, putting the skin in an active state. Then, yellow, red, and infrared light with a lower brightness duty cycle are used to maintain this active state. Finally, yellow, red, and infrared light with an even weaker brightness duty cycle are used to consolidate the active state. In this way, the brightness duty cycle of the yellow, red, and infrared light gradually decreases, allowing the skin to progress from activation, to maintaining activity, and finally to consolidating the active state. This significantly improves the skin whitening and rejuvenation effect while avoiding prolonged exposure to high-intensity light that could damage the skin.

[0062] In some embodiments, in order to further improve the control accuracy of each mode, the first mode, the second mode and the third mode are formed by multiple sub-modes in a loop. The optical characteristics of different sub-modes under the same mode are different, as shown in the following embodiments.

[0063] In both the first and second modes, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light. In the first mode, the multiple light sources operate according to their respective first brightness duty cycles, and in the second mode, the multiple light sources operate according to their respective second brightness duty cycles. The maximum value of the first brightness duty cycle is greater than the maximum value of the second brightness duty cycle, and / or, the duration of the first mode is the first duration, the duration of the second mode is the second duration, and the first duration and the second duration are equivalent.

[0064] The first mode includes a first sub-mode and a second sub-mode. The first sub-mode and the second sub-mode are repeated periodically during the duration of the first mode. The first brightness duty cycle includes a first sub-brightness duty cycle and a second sub-brightness duty cycle. In the first sub-mode, multiple light sources operate according to their respective first sub-brightness duty cycles. In the second sub-mode, multiple light sources operate according to their respective second sub-brightness duty cycles. The first sub-brightness duty cycle of the same light source is greater than the second sub-brightness duty cycle.

[0065] The second mode includes a third sub-mode and a fourth sub-mode. The third and fourth sub-modes are repeated periodically during the duration of the second mode. The second brightness duty cycle includes the third sub-brightness duty cycle and the fourth sub-brightness duty cycle. In the third sub-mode, multiple light sources operate according to their respective third sub-brightness duty cycles. In the fourth sub-mode, multiple light sources operate according to their respective fourth sub-brightness duty cycles. The third sub-brightness duty cycle of the same light source is greater than the fourth sub-brightness duty cycle, and the second sub-brightness duty cycle is greater than the third sub-brightness duty cycle.

[0066] The third mode includes the thirty-seventh and thirty-eighth sub-modes. The thirty-seventh and thirty-eighth sub-modes are repeated periodically within the duration of the second mode. The twenty-third brightness duty cycle includes the thirty-seventh and thirty-eighth sub-brightness duty cycles. In the thirty-seventh sub-mode, multiple light sources operate according to their respective thirty-seventh sub-brightness duty cycles. In the thirty-eighth sub-mode, multiple light sources operate according to their respective thirty-eighth sub-brightness duty cycles. The thirty-seventh sub-brightness duty cycle of the same light source is greater than or equal to the thirty-eighth sub-brightness duty cycle, and the fourth sub-brightness duty cycle is greater than the thirty-seventh sub-brightness duty cycle.

[0067] More specifically, the following uses specific numerical values ​​to illustrate the specific parameters of the first mode, the second mode, and the third mode in the first functional mode.

[0068] In both the first and second modes, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light. In the first mode, the multiple light sources operate according to their respective first brightness duty cycles, and in the second mode, the multiple light sources operate according to their respective second brightness duty cycles. The maximum value of the first brightness duty cycle is greater than the maximum value of the second brightness duty cycle, and / or, the duration of the first mode is the first duration, the duration of the second mode is the second duration, and the first duration and the second duration are equivalent.

[0069] The first mode includes a first sub-mode and a second sub-mode. The first sub-mode and the second sub-mode are repeated periodically during the duration of the first mode. The first brightness duty cycle includes a first sub-brightness duty cycle and a second sub-brightness duty cycle. In the first sub-mode, multiple light sources operate according to their respective first sub-brightness duty cycles. In the second sub-mode, multiple light sources operate according to their respective second sub-brightness duty cycles. The first sub-brightness duty cycle of the same light source is greater than the second sub-brightness duty cycle.

[0070] The second mode includes a third sub-mode and a fourth sub-mode. The third and fourth sub-modes are repeated periodically during the duration of the second mode. The second brightness duty cycle includes the third sub-brightness duty cycle and the fourth sub-brightness duty cycle. In the third sub-mode, multiple light sources operate according to their respective third sub-brightness duty cycles. In the fourth sub-mode, multiple light sources operate according to their respective fourth sub-brightness duty cycles. The third sub-brightness duty cycle of the same light source is greater than the fourth sub-brightness duty cycle, and the second sub-brightness duty cycle is greater than the third sub-brightness duty cycle.

[0071] The duration of the first mode is 4-6 minutes, and the duration of the first sub-mode and the second sub-mode is 18-22 seconds; and / or, the duty cycle of the first yellow photon brightness is 92%-96%, and the duty cycle of the second yellow photon brightness is 86%-90%; the duty cycle of the first green photon brightness is 92%-96%, and the duty cycle of the second green photon brightness is 86%-90%; the duty cycle of the first red photon brightness is 70%-74%, and the duty cycle of the second red photon brightness is 64%-68%; the duty cycle of the first infrared photon brightness is 38%-42%, and the duty cycle of the second infrared photon brightness is 34%-38%; the duty cycle of the first far-infrared photon brightness is 38%-42%, and the duty cycle of the second far-infrared photon brightness is 34%-38%;

[0072] The duration of the second mode is 4-6 minutes, and the duration of the third and fourth sub-modes is 18s-22s; and / or, the duty cycle of the third yellow photon brightness is 61%-65%, and the duty cycle of the fourth yellow photon brightness is 54%-58%; the duty cycle of the third green photon brightness is 61%-65%, and the duty cycle of the fourth green photon brightness is 54%-58%; the duty cycle of the third red photon brightness is 48%-54%, and the duty cycle of the fourth red photon brightness is 47%-51%; the duty cycle of the third infrared photon brightness is 22%-26%, and the duty cycle of the fourth infrared photon brightness is 20%-24%; the duty cycle of the third far-infrared photon brightness is 22%-26%, and the duty cycle of the fourth far-infrared photon brightness is 20%-24%.

[0073] Example table of brightness duty cycle parameters for the first function mode - whitening and skin rejuvenation mode.

[0074]

[0075] Second Functional Mode - Acne-Prone Skin Repair Mode

[0076] This functional mode provides short-term repair for acne-prone skin with a sensitive skin barrier. How it works: This mode uses a red and blue light combination. Blue light interacts with porphyrins produced by Propionibacterium acnes in acne, leading to the generation of singlet oxygen (a type of reactive oxygen species), which damages the bacterial cell membrane and ultimately kills the bacteria. By reducing the number of acne-causing bacteria, red light reduces skin inflammation and accelerates skin healing; the synergistic effect allows acne to subside quickly.

[0077] In addition, to achieve better results, for individuals seeking faster acne treatment, a pre-treatment phase can be implemented to build tolerance before proceeding with the specific therapy. Specifically, this involves increasing the power of blue light to kill Propionibacterium acnes more quickly, then reducing the power of blue light and increasing the power of red and yellow light to mitigate blue light damage. The simultaneous action of red and yellow light enhances anti-inflammatory effects, reducing the impact of inflammatory factors on the skin. Finally, high-power red light alone promotes skin repair, leading to faster acne elimination. In some embodiments, the acne repair mode can be a combination of an acne-removing mode (strong), an oil-control mode, and a repair mode.

[0078] Specifically, in some embodiments, in the first mode S4 (M3 / 5min+M9 / 5min+M11 / 10min), multiple light sources include blue and red light; in the second mode, multiple light sources include blue, yellow, and / or green and red light; in the first mode, blue and red light operate according to their respective third brightness duty cycles, and in the second mode, blue and red light operate according to their respective fourth brightness duty cycles. The maximum value of the third brightness duty cycle of the same light source is greater than the maximum value of the fourth brightness duty cycle, and / or, the duration of the first mode is the third duration, the duration of the second mode is the fourth duration, and the third duration and the fourth duration are roughly equivalent. This approach can improve the repair effect on acne-prone skin while avoiding prolonged exposure to high-intensity light that could damage the skin.

[0079] In some embodiments, in order to further improve the effect of acne-prone skin repair.

[0080] The composite mode also includes a third mode. In the first mode, multiple light sources include blue and red light; in the second mode, multiple light sources include blue, yellow, and / or green and red light; in the third mode, multiple light sources include red light. In the first mode, blue and red light operate according to their respective third brightness duty cycles; in the second mode, blue and red light operate according to their respective fourth brightness duty cycles; in the third mode, the brightness duty cycle of red light is the twenty-fourth brightness duty cycle. The maximum value of the third brightness duty cycle of the same light source is greater than the maximum value of the fourth brightness duty cycle, and the maximum value of the twenty-fourth brightness duty cycle of red light is greater than the maximum value of the third brightness duty cycle. And / or, the duration of the first mode is the third duration, the duration of the second mode is the fourth duration, and the duration of the third mode is the twenty-fourth duration, with the twenty-fourth duration being greater than both the third and fourth durations.

[0081] Thus, in this embodiment, the skin can be activated first using blue and red light with a high brightness duty cycle, putting it in an active state. Then, blue, red, and yellow light with a lower brightness duty cycle are used to maintain the skin's active state. Finally, red light with a high brightness duty cycle is used to consolidate the skin's active state. This significantly improves the repair effect on acne-prone skin.

[0082] In some embodiments, in order to further improve the control accuracy of each mode, the first mode and the second mode are respectively formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes under the same mode are different, as shown in the following embodiments.

[0083] In the first mode, multiple light sources include blue light and red light; in the second mode, multiple light sources include blue light, yellow light, and / or green light and red light; in the first mode, blue light and red light operate according to their respective third brightness duty cycles, and in the second mode, blue light and red light operate according to their respective fourth brightness duty cycles. The maximum value of the third brightness duty cycle of the same light source is greater than the maximum value of the fourth brightness duty cycle, and / or, the duration of the first mode is the third duration, the duration of the second mode is the fourth duration, and the third duration is equivalent to the fourth duration.

[0084] The first mode includes a fifth sub-mode and a sixth sub-mode. The fifth and sixth sub-modes are repeated periodically during the duration of the first mode. The third brightness duty cycle includes the fifth and sixth sub-brightness duty cycles. In the fifth sub-mode, multiple light sources operate according to their respective fifth sub-brightness duty cycles. In the sixth sub-mode, multiple light sources operate according to their respective sixth sub-brightness duty cycles. The fifth sub-brightness duty cycle of the same light source is greater than the sixth sub-brightness duty cycle.

[0085] The second mode includes a seventh sub-mode and an eighth sub-mode. The seventh and eighth sub-modes are repeated periodically during the duration of the second mode. The fourth brightness duty cycle includes the seventh and eighth sub-brightness duty cycles. In the seventh sub-mode, multiple light sources operate according to their respective seventh sub-brightness duty cycles, and in the eighth sub-mode, multiple light sources operate according to their respective eighth sub-brightness duty cycles. The seventh sub-brightness duty cycle of the same light source is greater than the eighth sub-brightness duty cycle. The sixth sub-brightness duty cycle of blue light is greater than the seventh sub-brightness duty cycle. The seventh and eighth sub-brightness duty cycles of red light are both between the fifth and sixth sub-brightness duty cycles.

[0086] More specifically, the following uses specific numerical values ​​to illustrate the specific parameters of the first, second, and third modes in the second functional mode.

[0087] In the first mode, multiple light sources include blue light and red light; in the second mode, multiple light sources include blue light, yellow light, and / or green light and red light; in the first mode, blue light and red light operate according to their respective third brightness duty cycles, and in the second mode, blue light and red light operate according to their respective fourth brightness duty cycles. The maximum value of the third brightness duty cycle of the same light source is greater than the maximum value of the fourth brightness duty cycle, and / or, the duration of the first mode is the third duration, the duration of the second mode is the fourth duration, and the third duration is equivalent to the fourth duration.

[0088] The first mode includes a fifth sub-mode and a sixth sub-mode. The fifth and sixth sub-modes are repeated periodically during the duration of the first mode. The third brightness duty cycle includes the fifth and sixth sub-brightness duty cycles. In the fifth sub-mode, multiple light sources operate according to their respective fifth sub-brightness duty cycles. In the sixth sub-mode, multiple light sources operate according to their respective sixth sub-brightness duty cycles. The fifth sub-brightness duty cycle of the same light source is greater than the sixth sub-brightness duty cycle.

[0089] The second mode includes a seventh sub-mode and an eighth sub-mode. The seventh and eighth sub-modes are repeated periodically during the duration of the second mode. The fourth brightness duty cycle includes the seventh and eighth sub-brightness duty cycles. In the seventh sub-mode, multiple light sources operate according to their respective seventh sub-brightness duty cycles, and in the eighth sub-mode, multiple light sources operate according to their respective eighth sub-brightness duty cycles. The seventh sub-brightness duty cycle of the same light source is greater than the eighth sub-brightness duty cycle. The sixth sub-brightness duty cycle of blue light is greater than the seventh sub-brightness duty cycle. The seventh and eighth sub-brightness duty cycles of red light are both between the fifth and sixth sub-brightness duty cycles.

[0090] The duration of the first mode is 4-6 minutes, and the duration of the fifth and sixth sub-modes is 18-22 seconds; and / or, the duty cycle of the fifth blue photon is 78%-82%, and the duty cycle of the sixth blue photon is 63%-67%; the duty cycle of the fifth red photon is 58%-62%, and the duty cycle of the sixth red photon is 43%-47%.

[0091] The duration of the second mode is 4-6 minutes, and the duration of the seventh and eighth submodes is 18-22 seconds; and / or, the duty cycle of the seventh blue photon is 42%-46%, the duty cycle of the eighth blue photon is 38%-42%; the duty cycle of the seventh red photon is 52%-56%, the duty cycle of the eighth red photon is 50%-54%; the duty cycles of the seventh yellow and seventh green photons are 68%-72%, and the duty cycles of the eighth yellow and eighth green photons are 65%-69%.

[0092] Second Functional Mode - Acne Repair Mode - Brightness Duty Cycle Parameter Example Table

[0093]

[0094] Third Function Mode - Even Skin Tone Mode

[0095] This functional mode targets uneven skin tone after acne treatment and is designed to repair the skin. It should be used when acne is beginning to subside. How it works: Blue light irradiation of the skin generates reactive oxygen species (ROS), causing oxidative damage to cells. This can potentially induce some pigmentation. This functional mode reduces some of the ROS-induced damage by following blue light irradiation with yellow light, while the yellow light inhibits melanin production. The period when acne is preparing to heal is a time of melanin accumulation; this combination of modes effectively reduces the probability of post-acne pigmentation. In some embodiments, the even skin tone mode can be a combination of a whitening mode (strong), an acne-removing mode (strong), and a soothing mode.

[0096] Specifically, in some embodiments, in the first mode, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include blue light and red light; in the first mode, blue light and red light operate according to their respective fifth brightness duty cycles, and in the second mode, blue light and red light operate according to their respective sixth brightness duty cycles, the maximum value of the fifth brightness duty cycle being less than the maximum value of the sixth brightness duty cycle, and / or, the duration of the first mode is the fifth duration, and the duration of the second mode is the sixth duration, with the fifth duration being approximately equal to the sixth duration. This approach improves the evenness of skin tone while avoiding prolonged exposure to high-intensity light that could damage the skin.

[0097] In some embodiments, in order to further improve the effect of even skin tone.

[0098] The composite mode also includes a third mode. In the first mode, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include blue and red light; in the third mode, multiple light sources include yellow and / or green light. In the first mode, blue and red light operate according to their respective fifth brightness duty cycles; in the second mode, blue and red light operate according to their respective sixth brightness duty cycles; in the third mode, yellow and / or green light operate according to their respective twenty-fifth brightness duty cycles. The maximum value of the fifth brightness duty cycle for blue and red light is less than the maximum value of the sixth brightness duty cycle, and the maximum value of the fifth brightness duty cycle for yellow and / or green light is greater than the maximum value of the twenty-fifth brightness duty cycle. And / or, the duration of the first mode is the fifth duration, the duration of the second mode is the sixth duration, and the duration of the third mode is the twenty-fifth duration, with the fifth and sixth durations being less than the twenty-fifth duration.

[0099] Thus, in this embodiment, the first mode (whitening mode) is used to reduce pigmentation in the skin, enhancing the whitening effect and simultaneously activating the skin. Then, the second mode (strong acne-removing mode) is used to treat acne, followed by a soothing mode to further repair the skin. This achieves excellent acne removal and acne-prone skin repair.

[0100] In some embodiments, in order to further improve the control accuracy of each mode, the first mode, the second mode and the third mode are formed by multiple sub-modes in a loop. The optical characteristics of different sub-modes under the same mode are different, as shown in the following embodiments.

[0101] In the first mode, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include blue light and red light; in the first mode, blue light and red light operate according to their respective fifth brightness duty cycles, and in the second mode, blue light and red light operate according to their respective sixth brightness duty cycles, the maximum value of the fifth brightness duty cycle is less than the maximum value of the sixth brightness duty cycle, and / or, the duration of the first mode is the fifth duration, the duration of the second mode is the sixth duration, and the fifth duration is equivalent to the sixth duration;

[0102] The first mode includes a ninth sub-mode and a tenth sub-mode. The ninth and tenth sub-modes are repeated periodically during the duration of the first mode. The fifth brightness duty cycle includes the ninth sub-brightness duty cycle and the tenth sub-brightness duty cycle. In the ninth sub-mode, multiple light sources operate according to their respective ninth sub-brightness duty cycles. In the tenth sub-mode, multiple light sources operate according to their respective tenth sub-brightness duty cycles. The ninth sub-brightness duty cycle of the same light source is greater than the tenth sub-brightness duty cycle.

[0103] The second mode includes an eleventh sub-mode and a twelfth sub-mode. The eleventh and twelfth sub-modes are repeated periodically during the duration of the second mode. The sixth brightness duty cycle includes the eleventh and twelfth sub-brightness duty cycles. In the eleventh sub-mode, multiple light sources operate according to their respective eleventh sub-brightness duty cycles. In the twelfth sub-mode, multiple light sources operate according to their respective twelfth sub-brightness duty cycles. The eleventh sub-brightness duty cycle of the same light source is greater than the twelfth sub-brightness duty cycle. The ninth and tenth sub-brightness duty cycles of red light are both between the eleventh and twelfth sub-brightness duty cycles.

[0104] The third mode includes yellow light and / or green light, and includes a thirty-ninth sub-mode and a fortieth sub-mode. The thirty-ninth and fortieth sub-modes are repeated periodically within the duration of the third mode. The twenty-fifth brightness duty cycle includes the thirty-ninth and fortieth sub-brightness duty cycles. In the thirty-ninth sub-mode, yellow light and / or green light operate according to the thirty-ninth sub-brightness duty cycle; in the fortieth sub-mode, yellow light and / or green light operate according to the fortieth sub-brightness duty cycle.

[0105] More specifically, the following uses specific numerical values ​​to illustrate the specific parameters of the first, second, and third modes in the second functional mode.

[0106] In the first mode, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include blue light and red light; in the first mode, blue light and red light operate according to their respective fifth brightness duty cycles, and in the second mode, blue light and red light operate according to their respective sixth brightness duty cycles, the maximum value of the fifth brightness duty cycle is less than the maximum value of the sixth brightness duty cycle, and / or, the duration of the first mode is the fifth duration, the duration of the second mode is the sixth duration, and the fifth duration is equivalent to the sixth duration;

[0107] The first mode includes a ninth sub-mode and a tenth sub-mode. The ninth and tenth sub-modes are repeated periodically during the duration of the first mode. The fifth brightness duty cycle includes the ninth sub-brightness duty cycle and the tenth sub-brightness duty cycle. In the ninth sub-mode, multiple light sources operate according to their respective ninth sub-brightness duty cycles. In the tenth sub-mode, multiple light sources operate according to their respective tenth sub-brightness duty cycles. The ninth sub-brightness duty cycle of the same light source is greater than the tenth sub-brightness duty cycle.

[0108] The second mode includes an eleventh sub-mode and a twelfth sub-mode. The eleventh and twelfth sub-modes are repeated periodically during the duration of the second mode. The sixth brightness duty cycle includes the eleventh and twelfth sub-brightness duty cycles. In the eleventh sub-mode, multiple light sources operate according to their respective eleventh sub-brightness duty cycles. In the twelfth sub-mode, multiple light sources operate according to their respective twelfth sub-brightness duty cycles. The eleventh sub-brightness duty cycle of the same light source is greater than the twelfth sub-brightness duty cycle. The ninth and tenth sub-brightness duty cycles of red light are both between the eleventh and twelfth sub-brightness duty cycles.

[0109] The duration of the first mode is 4-6 minutes, and the duration of the ninth and tenth sub-modes is 18-22 seconds; and / or, the duty cycle of the ninth yellow photon is 61%-65%, and the duty cycle of the tenth yellow photon is 54%-58%; the duty cycle of the ninth green photon is 61%-65%, and the duty cycle of the tenth green photon is 54%-58%; the duty cycle of the ninth red photon is 48%-54%, and the duty cycle of the tenth red photon is 47%-51%; the duty cycle of the ninth infrared photon is 22%-26%, and the duty cycle of the tenth infrared photon is 20%-24%; the duty cycle of the ninth far-infrared photon is 22%-26%, and the duty cycle of the tenth far-infrared photon is 20%-24%.

[0110] The duration of the second mode is 4-6 minutes, and the duration of the eleventh and twelfth submodes is 18-22 seconds; and / or, the duty cycle of the eleventh blue photon is 78%-82%, the duty cycle of the twelfth blue photon is 63%-67%, the duty cycle of the eleventh red photon is 58%-62%, and the duty cycle of the twelfth red photon is 43%-47%.

[0111] Example table of brightness duty cycle parameters for the third function mode - even skin tone mode.

[0112]

[0113] Fourth Functional Mode - Special Repair

[0114] This functional mode primarily promotes rapid skin repair after cosmetic procedures, wound healing, and recovery from skin allergies. Its working principle involves first using yellow light to enhance the skin's resistance to photoaging and improve the skin's barrier function after surgery. Then, high-power red light is used to activate cells. Finally, a combination of red and yellow light irradiation reduces inflammatory factors generated during wound healing, thereby accelerating postoperative skin repair and reducing the probability of adverse reactions. In some embodiments, the special repair mode can be a combination of a repair mode, a relaxation mode, and a special care mode.

[0115] Specifically, in some embodiments, in the first mode, multiple light sources include red light; in the second mode, multiple light sources include yellow light and / or green light; the composite mode also includes a third mode, in which multiple light sources include yellow light and / or green light and red light; in the first mode, red light operates according to a seventh red light brightness duty cycle; in the second mode, yellow light operates according to a seventh yellow light brightness duty cycle; and green light operates according to a seventh green light brightness duty cycle; in the third mode, red light operates according to an eighth red light brightness duty cycle; yellow light operates according to an eighth yellow light brightness duty cycle; and green light operates according to an eighth green light brightness duty cycle; wherein, the maximum value of the eighth yellow light brightness duty cycle is greater than the maximum value of the seventh yellow light brightness duty cycle; the maximum value of the eighth green light brightness duty cycle is greater than the maximum value of the seventh green light brightness duty cycle; and / or, the duration of the first mode and the second mode is a seventh duration; the duration of the third mode is an eighth duration; and the eighth duration is less than or equal to the seventh duration. This can accelerate postoperative skin repair, reduce the probability of adverse reactions, and thus achieve a special repair effect.

[0116] Thus, in this embodiment, the skin is first repaired using the first mode (repair mode), then the second mode (soothing mode), and finally the third mode (special care mode). This achieves a very good special repair effect.

[0117] In some embodiments, in order to further improve the control accuracy of each mode, the second mode and the third mode are respectively formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes under the same mode are different, as shown in the following embodiments.

[0118] In the first mode, multiple light sources include red light; in the second mode, multiple light sources include yellow light and / or green light; the composite mode also includes a third mode, in which multiple light sources include yellow light and / or green light and red light; in the first mode, red light operates according to the seventh red light brightness duty cycle; in the second mode, yellow light operates according to the seventh yellow light brightness duty cycle; and green light operates according to the seventh green light brightness duty cycle; in the third mode, red light operates according to the eighth red light brightness duty cycle; yellow light operates according to the eighth yellow light brightness duty cycle; and green light operates according to the eighth green light brightness duty cycle; wherein, the maximum value of the eighth yellow light brightness duty cycle is greater than the maximum value of the seventh yellow light brightness duty cycle; the maximum value of the eighth green light brightness duty cycle is greater than the maximum value of the seventh green light brightness duty cycle; and / or, the duration of the first and second modes is the seventh duration; the duration of the third mode is the eighth duration; and the eighth duration is less than or equal to the seventh duration.

[0119] The second mode includes a thirteenth sub-mode and a fourteenth sub-mode. The thirteenth and fourteenth sub-modes are repeated periodically during the duration of the second mode. The seventh brightness duty cycle includes the thirteenth and fourteenth sub-brightness duty cycles. In the thirteenth sub-mode, multiple light sources operate according to their respective thirteenth sub-brightness duty cycles. In the fourteenth sub-mode, multiple light sources operate according to their respective fourteenth sub-brightness duty cycles. The thirteenth sub-brightness duty cycle of the same light source is greater than the fourteenth sub-brightness duty cycle.

[0120] The third mode includes the fifteenth and sixteenth sub-modes. The fifteenth and sixteenth sub-modes are repeated periodically within the duration of the second mode. The eighth brightness duty cycle includes the fifteenth and sixteenth sub-brightness duty cycles. In the fifteenth sub-mode, multiple light sources operate according to their respective fifteenth sub-brightness duty cycles. In the sixteenth sub-mode, multiple light sources operate according to their respective sixteenth sub-brightness duty cycles. The fifteenth sub-brightness duty cycle of the same light source is greater than the sixteenth sub-brightness duty cycle. The thirteenth sub-brightness duty cycle of yellow light and / or green light is less than the sixteenth sub-brightness duty cycle.

[0121] More specifically, the following uses specific numerical values ​​to illustrate the specific parameters of the first, second, and third modes in the second functional mode.

[0122] In the first mode, multiple light sources include red light; in the second mode, multiple light sources include yellow light and / or green light; the composite mode also includes a third mode, in which multiple light sources include yellow light and / or green light and red light; in the first mode, red light operates according to the seventh red light brightness duty cycle; in the second mode, yellow light operates according to the seventh yellow light brightness duty cycle; and green light operates according to the seventh green light brightness duty cycle; in the third mode, red light operates according to the eighth red light brightness duty cycle; yellow light operates according to the eighth yellow light brightness duty cycle; and green light operates according to the eighth green light brightness duty cycle; wherein, the maximum value of the eighth yellow light brightness duty cycle is greater than the maximum value of the seventh yellow light brightness duty cycle; the maximum value of the eighth green light brightness duty cycle is greater than the maximum value of the seventh green light brightness duty cycle; and / or, the duration of the first and second modes is the seventh duration; the duration of the third mode is the eighth duration; and the eighth duration is less than or equal to the seventh duration.

[0123] The second mode includes a thirteenth sub-mode and a fourteenth sub-mode. The thirteenth and fourteenth sub-modes are repeated periodically during the duration of the second mode. The seventh brightness duty cycle includes the thirteenth and fourteenth sub-brightness duty cycles. In the thirteenth sub-mode, multiple light sources operate according to their respective thirteenth sub-brightness duty cycles. In the fourteenth sub-mode, multiple light sources operate according to their respective fourteenth sub-brightness duty cycles. The thirteenth sub-brightness duty cycle of the same light source is greater than the fourteenth sub-brightness duty cycle.

[0124] The third mode includes the fifteenth and sixteenth sub-modes. The fifteenth and sixteenth sub-modes are repeated periodically within the duration of the second mode. The eighth brightness duty cycle includes the fifteenth and sixteenth sub-brightness duty cycles. In the fifteenth sub-mode, multiple light sources operate according to their respective fifteenth sub-brightness duty cycles. In the sixteenth sub-mode, multiple light sources operate according to their respective sixteenth sub-brightness duty cycles. The fifteenth sub-brightness duty cycle of the same light source is greater than the sixteenth sub-brightness duty cycle. The thirteenth sub-brightness duty cycle of yellow light and / or green light is less than the sixteenth sub-brightness duty cycle.

[0125] The duration of the first mode is 9-11 minutes, the duration of the second mode is 9-11 minutes, the duration of the third mode is 4-6 minutes, and the duty cycle of the seventh red light is 82%-86%.

[0126] The duration of the thirteenth and fourteenth submodes is 18s-22s; and / or, the duty cycle of the thirteenth yellow photon and the thirteenth green photon is 56%-60%, and the duty cycle of the fourteenth yellow photon and the fourteenth green photon is 52%-57%.

[0127] The duration of the fifteenth and sixteenth submodes is 18s-22s; and / or, the duty cycle of the fifteenth yellow photon and the fifteenth green photon is 78%-82%, the duty cycle of the sixteenth yellow photon and the sixteenth green photon is 72%-76%; the duty cycle of the fifteenth red photon is 68%-72%, and the duty cycle of the sixteenth red photon is 60%-64%.

[0128] Fourth Functional Mode - Special Repair Mode - Brightness Duty Cycle Parameter Example Table

[0129]

[0130] Fifth Function Mode - Dry Skin Care

[0131] This functional mode is primarily designed for situations where skin is dry and flaky due to short-term dehydration, decreased skin's ability to retain moisture, and excessively dry environments. The working principle involves a combination of two modes (Mode 1: yellow and / or green light, red and infrared light; Mode 2: yellow and / or green light) that enhances moisture retention, reduces inflammation, stimulates collagen production, and improves blood circulation. These two phototherapy methods effectively improve overall skin health. Yellow light therapy has been shown to enhance the skin's ability to retain hyaluronic acid and moisture, thereby increasing skin hydration. This therapy improves skin moisturizing by stimulating skin cell activity, helping to alleviate dryness and roughness. Red and yellow light reduce skin inflammation and improve overall skin health.

[0132] Specifically, in some embodiments, in the first mode, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include yellow light and / or green light; in the first mode, multiple light sources operate according to their respective ninth brightness duty cycles, and in the second mode, multiple light sources operate according to their respective tenth brightness duty cycles, wherein the maximum value of the ninth brightness duty cycle of the same light source is greater than the maximum value of the tenth brightness duty cycle, and / or, the duration of the first mode is the ninth duration, and the duration of the second mode is the tenth duration, with the ninth duration being less than the tenth duration. In this way, the skin can be activated first using yellow light, red light, and infrared light with a higher brightness duty cycle, putting the skin in an active state, and then the active state of the skin can be maintained by using yellow light with a lower brightness duty cycle. Thus, the effect of dry skin care can be achieved while avoiding prolonged high-intensity light damage to the skin.

[0133] In some embodiments, in order to further improve the control accuracy of each mode, the first mode and the second mode are set to be formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes in the same mode are different, as shown in the following embodiments.

[0134] In the first mode, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include yellow light and / or green light; in the first mode, multiple light sources operate according to their respective ninth brightness duty cycles, and in the second mode, multiple light sources operate according to their respective tenth brightness duty cycles. The maximum value of the ninth brightness duty cycle of the same light source is greater than the maximum value of the tenth brightness duty cycle, and / or, the duration of the first mode is the ninth duration, the duration of the second mode is the tenth duration, and the ninth duration is less than the tenth duration.

[0135] The first mode includes the seventeenth sub-mode and the eighteenth sub-mode. The seventeenth and eighteenth sub-modes are repeated periodically during the duration of the first mode. The ninth brightness duty cycle includes the seventeenth and eighteenth sub-brightness duty cycles. In the seventeenth sub-mode, multiple light sources operate according to their respective seventeenth sub-brightness duty cycles. In the eighteenth sub-mode, multiple light sources operate according to their respective eighteenth sub-brightness duty cycles. The seventeenth sub-brightness duty cycle of the same light source is greater than the eighteenth sub-brightness duty cycle.

[0136] The second mode includes the nineteenth sub-mode and the twentieth sub-mode. The nineteenth and twentieth sub-modes are repeated periodically during the duration of the second mode. The tenth brightness duty cycle includes the nineteenth and twentieth sub-brightness duty cycles. In the nineteenth sub-mode, multiple light sources operate according to their respective nineteenth sub-brightness duty cycles. In the twentieth sub-mode, multiple light sources operate according to their respective twentieth sub-brightness duty cycles. The nineteenth sub-brightness duty cycle of the same light source is greater than the twentieth sub-brightness duty cycle. The eighteenth sub-brightness duty cycle of yellow light and / or green light is greater than the nineteenth sub-brightness duty cycle.

[0137] More specifically, the following uses specific numerical values ​​to illustrate the specific parameters of the first and second modes in the fifth functional mode.

[0138] In the first mode, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include yellow light and / or green light; in the first mode, multiple light sources operate according to their respective ninth brightness duty cycles, and in the second mode, multiple light sources operate according to their respective tenth brightness duty cycles. The maximum value of the ninth brightness duty cycle of the same light source is greater than the maximum value of the tenth brightness duty cycle, and / or, the duration of the first mode is the ninth duration, the duration of the second mode is the tenth duration, and the ninth duration is less than the tenth duration.

[0139] The first mode includes the seventeenth sub-mode and the eighteenth sub-mode. The seventeenth and eighteenth sub-modes are repeated periodically during the duration of the first mode. The ninth brightness duty cycle includes the seventeenth and eighteenth sub-brightness duty cycles. In the seventeenth sub-mode, multiple light sources operate according to their respective seventeenth sub-brightness duty cycles. In the eighteenth sub-mode, multiple light sources operate according to their respective eighteenth sub-brightness duty cycles. The seventeenth sub-brightness duty cycle of the same light source is greater than the eighteenth sub-brightness duty cycle.

[0140] The second mode includes the nineteenth sub-mode and the twentieth sub-mode. The nineteenth and twentieth sub-modes are repeated periodically during the duration of the second mode. The tenth brightness duty cycle includes the nineteenth and twentieth sub-brightness duty cycles. In the nineteenth sub-mode, multiple light sources operate according to their respective nineteenth sub-brightness duty cycles. In the twentieth sub-mode, multiple light sources operate according to their respective twentieth sub-brightness duty cycles. The nineteenth sub-brightness duty cycle of the same light source is greater than the twentieth sub-brightness duty cycle. The eighteenth sub-brightness duty cycle of yellow light and / or green light is greater than the nineteenth sub-brightness duty cycle.

[0141] The duration of the first mode is 4-6 minutes, and the duration of the seventeenth and eighteenth sub-modes is 18-22 seconds; and / or, the duty cycle of the seventeenth yellow photon is 92%-96%, and the duty cycle of the eighteenth yellow photon is 86%-90%; the duty cycle of the seventeenth green photon is 92%-96%, and the duty cycle of the eighteenth green photon is 86%-90%; the duty cycle of the seventeenth red photon is 70%-74%, and the duty cycle of the eighteenth red photon is 64%-68%; the duty cycle of the seventeenth infrared photon is 38%-42%, and the duty cycle of the eighteenth infrared photon is 34%-38%; the duty cycle of the seventeenth far-infrared photon is 38%-42%, and the duty cycle of the eighteenth far-infrared photon is 34%-38%.

[0142] The duration of the second mode is 9-11 minutes, and the duration of the nineteenth and twentieth submodes is 18s-22s; and / or, the duty cycle of the nineteenth yellow photon and the nineteenth green photon is 56%-60%, and the duty cycle of the twentieth yellow photon and the twentieth green photon is 52%-57%.

[0143] Fifth Function Mode - Dry Skin Care Mode - Brightness Duty Cycle Parameter Example Table

[0144]

[0145] Sixth Function Mode - Refining Pores Mode

[0146] This functional mode is primarily used to improve enlarged pores. Enlarged pores are mainly caused by the following factors: 1. Sebum secretion: Overactive sebaceous glands lead to excessive oil production, making pores appear larger. 2. Skin aging: As we age, the amount of collagen and elastin in the skin decreases, causing the skin to lose elasticity and making pores more noticeable. 3. Sun damage: Prolonged exposure to sunlight can damage the skin, affecting the structure and appearance of pores. 4. Improper cleansing: If makeup, dirt, or oil remains on the skin, pores are easily clogged, making them appear larger.

[0147] The principle behind this pore-refining mode's ability to improve enlarged pores is as follows: Blue light inhibits sebaceous gland activity and reduces oil secretion, helping to prevent clogged pores. Red light, through its anti-aging and skin-firming properties, penetrates deep into the skin to stimulate collagen production, further improving enlarged pores. Infrared light promotes deeper cell repair, helping the skin regain vitality and elasticity. Simultaneously, yellow light enhances the skin's ability to retain hyaluronic acid and moisture, thereby increasing skin hydration and elasticity.

[0148] Specifically, in some embodiments, the first mode includes multiple light sources including blue light, yellow light and / or green light, infrared light and / or far-infrared light and red light, and the second mode includes multiple light sources including blue light, yellow light and / or green light and red light; in the first mode, the multiple light sources operate with their respective eleventh brightness duty cycle, and in the second mode, the multiple light sources operate with their respective twelfth brightness duty cycle; the maximum value of the eleventh brightness duty cycle of the same light source is less than the minimum value of the twelfth brightness duty cycle; and / or, the duration of the first mode is eleventh duration, and the duration of the second mode is twelfth duration, with the eleventh duration and the twelfth duration being equivalent.

[0149] In this embodiment, the skin is first activated using blue, yellow, and / or green light, infrared light, and / or far-infrared light and red light with a low brightness duty cycle, allowing the skin to adapt to the current phototherapy state and initially shrinking pores. Then, blue, yellow, and / or green, and red light with a higher brightness duty cycle are used to further enhance the ability to shrink pores. In this way, the skin can gradually adapt to the light exposure without being damaged by sudden high-intensity light exposure, and the pores can shrink step by step, which is beneficial to improving the stability and effect of pore shrinkage.

[0150] In some embodiments, in order to further improve the control accuracy of each mode, the first mode and the second mode are respectively formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes under the same mode are different, as shown in the following embodiments.

[0151] The first mode includes multiple light sources, including blue light, yellow light and / or green light, infrared light and / or far-infrared light and red light; the second mode includes multiple light sources, including blue light, yellow light and / or green light and red light. In the first mode, each light source operates with its own eleventh brightness duty cycle, and in the second mode, each light source operates with its own twelfth brightness duty cycle. The maximum value of the eleventh brightness duty cycle of the same light source is less than the minimum value of the twelfth brightness duty cycle. And / or, the duration of the first mode is eleventh duration, and the duration of the second mode is twelfth duration, with the eleventh duration and the twelfth duration being equivalent.

[0152] The first mode includes a twenty-first sub-mode and a twenty-second sub-mode. The twenty-first and twenty-second sub-modes are periodically repeated within the duration of the first mode. The eleventh brightness duty cycle includes the twenty-first and twenty-second sub-brightness duty cycles. In the twenty-first sub-mode, multiple light sources operate according to their respective twenty-first sub-brightness duty cycles. In the twenty-second sub-mode, multiple light sources operate according to their respective twenty-second sub-brightness duty cycles. The twenty-first sub-brightness duty cycle of the same light source is greater than the twenty-second sub-brightness duty cycle.

[0153] The second mode includes the twenty-third sub-mode and the twenty-fourth sub-mode. The twenty-third sub-mode and the twenty-fourth sub-mode are repeated periodically during the duration of the second mode. The twelfth brightness duty cycle includes the twenty-third sub-brightness duty cycle and the twenty-fourth sub-brightness duty cycle. In the twenty-third sub-mode, multiple light sources operate according to their respective twenty-third sub-brightness duty cycles. In the twenty-fourth sub-mode, multiple light sources operate according to their respective twenty-fourth sub-brightness duty cycles. The twenty-third sub-brightness duty cycle of the same type of light source is greater than the twenty-fourth sub-brightness duty cycle, and the twenty-first sub-brightness duty cycle of the same type of light source is less than the twenty-fourth sub-brightness duty cycle.

[0154] More specifically, the following uses specific numerical values ​​to illustrate the specific parameter settings of the first and second modes in the sixth functional mode.

[0155] The first mode includes multiple light sources, including blue light, yellow light and / or green light, infrared light and / or far-infrared light and red light; the second mode includes multiple light sources, including blue light, yellow light and / or green light and red light. In the first mode, each light source operates with its own eleventh brightness duty cycle, and in the second mode, each light source operates with its own twelfth brightness duty cycle. The maximum value of the eleventh brightness duty cycle of the same light source is less than the minimum value of the twelfth brightness duty cycle. And / or, the duration of the first mode is eleventh duration, and the duration of the second mode is twelfth duration, with the eleventh duration and the twelfth duration being equivalent.

[0156] The first mode includes a twenty-first sub-mode and a twenty-second sub-mode. The twenty-first and twenty-second sub-modes are periodically repeated within the duration of the first mode. The eleventh brightness duty cycle includes the twenty-first and twenty-second sub-brightness duty cycles. In the twenty-first sub-mode, multiple light sources operate according to their respective twenty-first sub-brightness duty cycles. In the twenty-second sub-mode, multiple light sources operate according to their respective twenty-second sub-brightness duty cycles. The twenty-first sub-brightness duty cycle of the same light source is greater than the twenty-second sub-brightness duty cycle.

[0157] The second mode includes the twenty-third sub-mode and the twenty-fourth sub-mode. The twenty-third and twenty-fourth sub-modes are repeated periodically during the duration of the second mode. The twelfth brightness duty cycle includes the twenty-third and twenty-fourth sub-brightness duty cycles. In the twenty-third sub-mode, multiple light sources operate according to their respective twenty-third sub-brightness duty cycles. In the twenty-fourth sub-mode, multiple light sources operate according to their respective twenty-fourth sub-brightness duty cycles. The twenty-third sub-brightness duty cycle of the same type of light source is greater than the twenty-fourth sub-brightness duty cycle, and the twenty-first sub-brightness duty cycle of the same type of light source is less than the twenty-fourth sub-brightness duty cycle.

[0158] The duration of the first and second modes is 9-11 minutes.

[0159] The duration of the 21st and 22nd submodes is 18s-22s; and / or, the duty cycle of the 21st blue photon brightness is 28%-32%, and the duty cycle of the 22nd blue photon brightness is 18%-22%; the duty cycle of the 21st yellow photon brightness is 24%-28%, and the duty cycle of the 22nd yellow photon brightness is 20.5%-24.5%; the duty cycle of the 21st green photon brightness is 24%-28%, and the duty cycle of the 22nd green photon brightness is 20.5%-24.5%; the duty cycle of the 21st red photon brightness is 26%-30%, and the duty cycle of the 22nd red photon brightness is 22%-26%; the duty cycle of the 21st infrared photon brightness is 16%-21%, and the duty cycle of the 22nd infrared photon brightness is 9%-13%; the duty cycle of the 21st far-infrared photon brightness is 16%-21%, and the duty cycle of the 22nd far-infrared photon brightness is 9%-13%;

[0160] The duration of the 23rd and 24th submodes is 18s-22s; and / or, the duty cycle of the 23rd blue photon brightness is 42%-46%, and the duty cycle of the 24th blue photon brightness is 38%-42%; the duty cycle of the 23rd red photon brightness is 58%-62%, and the duty cycle of the 24th red photon brightness is 43%-47%; the duty cycle of the 23rd yellow photon brightness and the 23rd green photon brightness are 68%-72%, and the duty cycle of the 24th yellow photon brightness and the 24th green photon brightness are 65%-69%.

[0161] Example table of brightness duty cycle parameters for the sixth function mode - refine pores mode.

[0162]

[0163] Seventh Functional Mode - Strong Barrier Mode

[0164] This functional mode is primarily used to regulate the balance of the skin's surface flora, promote subcutaneous blood circulation, and accelerate overall skin metabolism to improve the overall health of the skin. Working principle: This mode uses a combination of blue, yellow, red, and infrared light. First, high-power light output uses blue light to inhibit the proliferation of harmful bacteria, red and infrared light to promote cellular oxygenation, and yellow light to reduce epidermal inflammation. Then, low-power light is used to maintain this effect while minimizing skin irritation, thereby restoring the skin to a healthy state.

[0165] Specifically, in some embodiments, in the first mode and the second mode, multiple light sources include blue light, yellow light and / or green light, infrared light and / or far-infrared light and red light. In the first mode, the multiple light sources operate with their respective thirteenth brightness duty cycle, and in the second mode, the multiple light sources operate with their respective fourteenth brightness duty cycle. The maximum value of the thirteenth brightness duty cycle of the same light source is greater than or equal to the maximum value of the fourteenth brightness duty cycle, and / or, the duration of the first mode is the thirteenth duration, and the duration of the second mode is the fourteenth duration, where the thirteenth duration is less than the fourteenth duration.

[0166] In this embodiment, the skin is first activated using a high-brightness duty cycle mode (including blue light, yellow light, and / or green light, infrared light, and / or far-infrared light, and red light), placing the skin in an active phototherapy state. Then, a low-brightness duty cycle mode (including blue light, yellow light, and / or green light, infrared light, and / or far-infrared light, and red light) is used to stabilize the skin's active state. This allows the skin to quickly regulate its surface microbiome balance, promote subcutaneous blood circulation, accelerate overall skin metabolism, and maintain the aforementioned state, thereby achieving a lasting improvement in the overall health of the skin. This also enhances the skin's ability to resist adverse external environmental factors, achieving a stronger skin barrier effect.

[0167] In some embodiments, in order to further improve the control accuracy of each mode, the first mode and the second mode are respectively formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes under the same mode are different, as shown in the following embodiments.

[0168] In both the first and second modes, multiple light sources, including blue light, yellow light and / or green light, infrared light and / or far-infrared light and red light, operate at their respective thirteenth brightness duty cycles in the first mode and at their respective fourteenth brightness duty cycles in the second mode. The maximum value of the thirteenth brightness duty cycle of the same light source is greater than or equal to the maximum value of the fourteenth brightness duty cycle, and / or the duration of the first mode is the thirteenth duration, and the duration of the second mode is the fourteenth duration, with the thirteenth duration being less than the fourteenth duration.

[0169] The first mode includes the twenty-fifth sub-mode and the twenty-sixth sub-mode. The twenty-fifth and twenty-sixth sub-modes are repeated periodically during the duration of the first mode. The thirteenth brightness duty cycle includes the twenty-fifth and twenty-sixth sub-brightness duty cycles. In the twenty-fifth sub-mode, multiple light sources operate according to their respective twenty-fifth sub-brightness duty cycles. In the twenty-sixth sub-mode, multiple light sources operate according to their respective twenty-sixth sub-brightness duty cycles. The twenty-fifth sub-brightness duty cycle of the same light source is greater than the twenty-sixth sub-brightness duty cycle.

[0170] The second mode includes the twenty-seventh sub-mode and the twenty-eighth sub-mode. The twenty-seventh and twenty-eighth sub-modes are repeated periodically during the duration of the second mode. The fourteenth brightness duty cycle includes the twenty-seventh and twenty-eighth sub-brightness duty cycles. In the twenty-seventh sub-mode, multiple light sources operate according to their respective twenty-seventh sub-brightness duty cycles. In the twenty-eighth sub-mode, multiple light sources operate according to their respective twenty-eighth sub-brightness duty cycles. The twenty-seventh sub-brightness duty cycle of the same light source is greater than the twenty-eighth sub-brightness duty cycle.

[0171] More specifically, the following describes the specific parameters of the first and second modes under the seventh function mode by providing specific numerical values.

[0172] In both the first and second modes, multiple light sources, including blue light, yellow light and / or green light, infrared light and / or far-infrared light and red light, operate at their respective thirteenth brightness duty cycles in the first mode and at their respective fourteenth brightness duty cycles in the second mode. The maximum value of the thirteenth brightness duty cycle of the same light source is greater than or equal to the maximum value of the fourteenth brightness duty cycle, and / or the duration of the first mode is the thirteenth duration, and the duration of the second mode is the fourteenth duration, with the thirteenth duration being less than the fourteenth duration.

[0173] The first mode includes the twenty-fifth sub-mode and the twenty-sixth sub-mode. The twenty-fifth and twenty-sixth sub-modes are repeated periodically during the duration of the first mode. The thirteenth brightness duty cycle includes the twenty-fifth and twenty-sixth sub-brightness duty cycles. In the twenty-fifth sub-mode, multiple light sources operate according to their respective twenty-fifth sub-brightness duty cycles. In the twenty-sixth sub-mode, multiple light sources operate according to their respective twenty-sixth sub-brightness duty cycles. The twenty-fifth sub-brightness duty cycle of the same light source is greater than the twenty-sixth sub-brightness duty cycle.

[0174] The second mode includes the twenty-seventh sub-mode and the twenty-eighth sub-mode. The twenty-seventh and twenty-eighth sub-modes are repeated periodically during the duration of the second mode. The fourteenth brightness duty cycle includes the twenty-seventh and twenty-eighth sub-brightness duty cycles. In the twenty-seventh sub-mode, multiple light sources operate according to their respective twenty-seventh sub-brightness duty cycles. In the twenty-eighth sub-mode, multiple light sources operate according to their respective twenty-eighth sub-brightness duty cycles. The twenty-seventh sub-brightness duty cycle of the same light source is greater than the twenty-eighth sub-brightness duty cycle.

[0175] The first mode lasts for 4-6 minutes, and the second mode lasts for 9-11 minutes.

[0176] The duration of the 25th and 26th submodes is 18s-22s; and / or, the duty cycle of the 25th blue photon is 28%-32%, and the duty cycle of the 26th blue photon is 16%-20%; the duty cycle of the 25th yellow photon is 28%-32%, and the duty cycle of the 26th yellow photon is 16%-20%; the duty cycle of the 25th green photon is 28%-32%, and the duty cycle of the 26th green photon is 16%-20%; the duty cycle of the 25th red photon is 48%-52%, and the duty cycle of the 26th red photon is 23%-27%; the duty cycle of the 25th infrared photon is 16%-21%, and the duty cycle of the 26th infrared photon is 8%-12%; the duty cycle of the 25th far-infrared photon is 16%-21%, and the duty cycle of the 26th far-infrared photon is 8%-12%;

[0177] The duration of the 27th and 28th submodes is 18s-22s; and / or, the duty cycle of the 27th blue photon brightness is 28%-32%, and the duty cycle of the 28th blue photon brightness is 18%-22%; the duty cycle of the 27th yellow photon brightness is 24%-28%, and the duty cycle of the 28th yellow photon brightness is 20.5%-24.5%; the duty cycle of the 27th green photon brightness is 24%-28%, and the duty cycle of the 28th green photon brightness is 20.5%-24.5%; the duty cycle of the 27th red photon brightness is 26%-30%, and the duty cycle of the 28th red photon brightness is 22%-26%; the duty cycle of the 27th infrared photon brightness is 16%-21%, and the duty cycle of the 28th infrared photon brightness is 9%-13%; the duty cycle of the 27th far-infrared photon brightness is 16%-21%, and the duty cycle of the 28th far-infrared photon brightness is 9%-13%;

[0178] Example table of brightness duty cycle parameters for the seventh function mode - tough barrier mode.

[0179]

[0180] Eighth Functional Mode - Permeation Enhancement Mode

[0181] This functional mode primarily works by accelerating blood circulation, opening pores, and promoting the absorption of small-molecule serums, lotions, and skincare products. Working principle: Red and infrared light dilate blood vessels, increasing local blood flow and thus enhancing the supply of nutrients and oxygen, thereby promoting serum absorption. During the serum's penetration into the skin, a certain level of rejection may occur, potentially causing adverse reactions. Therefore, yellow light is added to soothe the skin and reduce inflammation.

[0182] Specifically, in some embodiments, in the first mode, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the first mode, multiple light sources operate according to their respective fifteenth brightness duty cycle, and in the second mode, multiple light sources operate according to their respective sixteenth brightness duty cycle; wherein, the maximum value of the fifteenth brightness duty cycle of yellow light and / or green light and red light is greater than the maximum value of the sixteenth brightness duty cycle, and the maximum value of the fifteenth brightness duty cycle of infrared light and ultra-infrared light is less than the maximum value of the sixteenth brightness duty cycle; and / or, the duration of the first mode is the fifteenth duration, and the duration of the second mode is the sixteenth duration, the fifteenth duration being less than the sixteenth duration.

[0183] In this embodiment, the skin is first activated using a first mode with a high brightness duty cycle (including yellow and / or green light, infrared light and / or far-infrared light and red light), putting the skin in an active phototherapy state. Then, a second mode with a low brightness duty cycle (including yellow and / or green light, infrared light and / or far-infrared light and red light) is used to stabilize the skin's active state. This allows the skin to quickly enter and maintain a highly efficient absorption state while avoiding adverse effects from high-intensity light contrast. At the same time, it can quickly dilate blood vessels to improve absorption while calming the skin, reducing skin rejection, and preventing inflammatory reactions.

[0184] In some embodiments, in order to further improve the control accuracy of each mode, the first mode and the second mode are respectively formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes under the same mode are different, as shown in the following embodiments.

[0185] In the first mode, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light; in the first mode, each light source operates according to its own fifteenth brightness duty cycle, and in the second mode, multiple light sources operate according to their own sixteenth brightness duty cycle; wherein, the maximum value of the fifteenth brightness duty cycle of yellow and / or green and red light is greater than the maximum value of the sixteenth brightness duty cycle, and the maximum value of the fifteenth brightness duty cycle of infrared and ultra-infrared light is less than the maximum value of the sixteenth brightness duty cycle; and / or, the duration of the first mode is the fifteenth duration, and the duration of the second mode is the sixteenth duration, with the fifteenth duration being less than the sixteenth duration;

[0186] The first mode includes the twenty-ninth sub-mode and the thirtieth sub-mode. The twenty-ninth sub-mode and the thirtieth sub-mode are repeated periodically during the duration of the first mode. The fifteenth brightness duty cycle includes the twenty-ninth sub-brightness duty cycle and the thirtieth sub-brightness duty cycle. In the twenty-ninth sub-mode, multiple light sources operate according to their respective twenty-ninth sub-brightness duty cycles. In the thirtieth sub-mode, multiple light sources operate according to their respective thirtieth sub-brightness duty cycles. The twenty-ninth sub-brightness duty cycle of the same light source is greater than the thirtieth sub-brightness duty cycle.

[0187] The second mode includes the thirty-first sub-mode and the thirty-second sub-mode. The thirty-first sub-mode and the thirty-second sub-mode are repeated periodically during the duration of the second mode. The sixteenth brightness duty cycle includes the thirty-first sub-brightness duty cycle and the thirty-second sub-brightness duty cycle. In the thirty-first sub-mode, multiple light sources operate according to their respective thirty-first sub-brightness duty cycles. In the thirty-second sub-mode, multiple light sources operate according to their respective thirty-second sub-brightness duty cycles. The thirty-first sub-brightness duty cycle of the same light source is greater than the thirty-second sub-brightness duty cycle. The thirtieth sub-brightness duty cycle of yellow light and / or green light and red light is greater than the thirty-first sub-brightness duty cycle.

[0188] More specifically, the following describes the specific parameters of the first and second modes under the eighth function mode by providing specific numerical values.

[0189] In the first mode, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light; in the second mode, multiple light sources include yellow and / or green light, infrared light and / or far-infrared light and red light; in the first mode, each light source operates according to its own fifteenth brightness duty cycle, and in the second mode, multiple light sources operate according to their own sixteenth brightness duty cycle; wherein, the maximum value of the fifteenth brightness duty cycle of yellow and / or green and red light is greater than the maximum value of the sixteenth brightness duty cycle, and the maximum value of the fifteenth brightness duty cycle of infrared and ultra-infrared light is less than the maximum value of the sixteenth brightness duty cycle; and / or, the duration of the first mode is the fifteenth duration, and the duration of the second mode is the sixteenth duration, with the fifteenth duration being less than the sixteenth duration;

[0190] The first mode includes the twenty-ninth sub-mode and the thirtieth sub-mode. The twenty-ninth sub-mode and the thirtieth sub-mode are repeated periodically during the duration of the first mode. The fifteenth brightness duty cycle includes the twenty-ninth sub-brightness duty cycle and the thirtieth sub-brightness duty cycle. In the twenty-ninth sub-mode, multiple light sources operate according to their respective twenty-ninth sub-brightness duty cycles. In the thirtieth sub-mode, multiple light sources operate according to their respective thirtieth sub-brightness duty cycles. The twenty-ninth sub-brightness duty cycle of the same light source is greater than the thirtieth sub-brightness duty cycle.

[0191] The second mode includes the thirty-first sub-mode and the thirty-second sub-mode. The thirty-first sub-mode and the thirty-second sub-mode are repeated periodically during the duration of the second mode. The sixteenth brightness duty cycle includes the thirty-first sub-brightness duty cycle and the thirty-second sub-brightness duty cycle. In the thirty-first sub-mode, multiple light sources operate according to their respective thirty-first sub-brightness duty cycles. In the thirty-second sub-mode, multiple light sources operate according to their respective thirty-second sub-brightness duty cycles. The thirty-first sub-brightness duty cycle of the same light source is greater than the thirty-second sub-brightness duty cycle. The thirtieth sub-brightness duty cycle of yellow light and / or green light and red light is greater than the thirty-first sub-brightness duty cycle.

[0192] The first mode lasts for 4-6 minutes, and the second mode lasts for 9-11 minutes.

[0193] The duration of the 29th and 30th submodes is 18s-22s; and / or, the duty cycle of the 29th yellow photon brightness is 92%-96%, and the duty cycle of the 30th yellow photon brightness is 86%-90%; the duty cycle of the 29th green photon brightness is 92%-96%, and the duty cycle of the 30th green photon brightness is 86%-90%; the duty cycle of the 29th red photon brightness is 70%-74%, and the duty cycle of the 30th red photon brightness is 64%-68%; the duty cycle of the 29th infrared photon brightness is 38%-42%, and the duty cycle of the 30th infrared photon brightness is 34%-38%; the duty cycle of the 29th far-infrared photon brightness is 38%-42%, and the duty cycle of the 30th far-infrared photon brightness is 34%-38%;

[0194] The duration of the 31st and 32nd submodes is 18s-22s; and / or, the duty cycle of the 31st yellow photon brightness is 58%-64%, and the duty cycle of the 32nd yellow photon brightness is 54%-58%; the duty cycle of the 31st green photon brightness is 58%-64%, and the duty cycle of the 32nd green photon brightness is 54%-58%; the duty cycle of the 31st red photon brightness is 26%-30%, and the duty cycle of the 32nd red photon brightness is 22%-26%; the duty cycles of the 31st infrared photon brightness, the 32nd infrared photon brightness, the 31st far-infrared photon brightness, and the 32nd far-infrared photon brightness are 40%-46%.

[0195] Example table of brightness duty cycle parameters for the eighth functional mode - penetration enhancement mode.

[0196]

[0197] Ninth Function Mode - Intimate Care Mode

[0198] This functional mode is primarily designed for individuals prone to dry and itchy skin in the genital area, providing improved care for the skin. Working principle: First, single red light enhances the skin's moisture-locking ability, maintaining its hydration and elasticity. Then, a combination of red and yellow light reduces pigmentation and promotes blood circulation, accelerating metabolism and renewal.

[0199] Specifically, in some embodiments, in the second mode, the multiple light sources include yellow light and / or green light and red light; in the first mode, the multiple light sources include red light; in the second mode, the multiple light sources operate according to their respective eighteenth brightness duty cycles, and in the first mode, the red light operates according to the seventeenth brightness duty cycle; wherein, the maximum value of the seventeenth brightness duty cycle of the red light is greater than the maximum value of the eighteenth brightness duty cycle; and / or, the duration of the first mode is the seventeenth duration, and the duration of the second mode is the eighteenth duration, the seventeenth duration and the eighteenth duration are equivalent.

[0200] In this embodiment, the skin is first activated using a first mode with a high brightness duty cycle (including red light) to pre-treat the skin and keep the skin of the private area moist and elastic. Then, a second mode with a low brightness duty cycle (including yellow light and / or green light, red light) is used to stabilize the skin's active state. Heating the yellow light can reduce pigmentation in the private area and promote blood circulation and accelerate metabolism. In this way, the skin of the private area can be effectively cared for, thereby achieving the effect of a private care mode.

[0201] In some embodiments, in order to further improve the control accuracy of each mode, the second mode is formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes are different, as shown in the following embodiments.

[0202] In the second mode, multiple light sources include yellow light and / or green light and red light; in the first mode, multiple light sources include red light; in the second mode, multiple light sources operate according to their respective eighteenth brightness duty cycles, while in the first mode, red light operates according to the seventeenth brightness duty cycle; wherein, the maximum value of the seventeenth brightness duty cycle of red light is greater than the maximum value of the eighteenth brightness duty cycle; and / or, the duration of the first mode is the seventeenth duration, and the duration of the second mode is the eighteenth duration, with the seventeenth duration being equivalent to the eighteenth duration;

[0203] The second mode includes the thirty-third and thirty-fourth sub-modes. The thirty-third and thirty-fourth sub-modes are repeated periodically during the duration of the second mode. The eighteenth brightness duty cycle includes the thirty-third and thirty-fourth sub-brightness duty cycles. In the thirty-third sub-mode, multiple light sources operate according to their respective thirty-third sub-brightness duty cycles. In the thirty-fourth sub-mode, multiple light sources operate according to their respective thirtieth sub-brightness duty cycles. The thirty-third sub-brightness duty cycle of the same light source is greater than the thirty-fourth sub-brightness duty cycle. The seventeenth brightness duty cycle of red light is greater than the thirty-third sub-brightness duty cycle.

[0204] More specifically, the following describes the specific parameters of the first and second modes under the ninth function mode by providing specific numerical values.

[0205] In the second mode, the multiple light sources include yellow light and / or green light and red light; in the first mode, the multiple light sources include red light; in the second mode, the multiple light sources operate according to their respective eighteenth brightness duty cycles, and in the first mode, the red light operates according to the seventeenth brightness duty cycle; wherein, the maximum value of the seventeenth brightness duty cycle of the red light is greater than the maximum value of the eighteenth brightness duty cycle; and / or, the duration of the first mode is the seventeenth duration, and the duration of the second mode is the eighteenth duration, wherein the seventeenth duration is equivalent to the eighteenth duration;

[0206] The second mode includes a 33rd sub-mode and a 34th sub-mode. The 33rd and 34th sub-modes are repeated periodically during the duration of the second mode. The 18th brightness duty cycle includes the 33rd and 34th sub-brightness duty cycles. In the 33rd sub-mode, multiple light sources operate according to their respective 33rd sub-brightness duty cycles. In the 34th sub-mode, multiple light sources operate according to their respective 30th sub-brightness duty cycles. The 33rd sub-brightness duty cycle of the same light source is greater than the 34th sub-brightness duty cycle. The 17th brightness duty cycle of red light is greater than the 33rd sub-brightness duty cycle.

[0207] The duration of the first and second modes is 9-11 minutes.

[0208] The duration of the 33rd and 34th submodes is 18s-22s; and / or, the duty cycle of the 33rd yellow photon brightness is 78%-82%, and the duty cycle of the 34th yellow photon brightness is 72%-76%; the duty cycle of the 33rd green photon brightness is 78%-82%, and the duty cycle of the 34th green photon brightness is 72%-76%; the duty cycle of the 33rd red photon brightness is 68%-72%, and the duty cycle of the 34th red photon brightness is 60%-64%; the duty cycle of the 17th red light brightness is 82%-86%.

[0209] Example table of brightness duty cycle parameters for the ninth function mode - intimate care mode.

[0210]

[0211] Tenth Function Mode - Hair Care Mode

[0212] This function mode primarily aims to improve frizzy, dry, split, and abnormal hair loss. It also helps alleviate hair breakage, oily scalp, and itchy scalp, and may contribute to hair loss prevention by improving the scalp environment. How it works: This mode primarily uses red light to increase blood circulation in the scalp. This enhanced blood flow delivers more nutrients and oxygen to the hair follicles, creating a healthier environment for hair growth. Good blood circulation is crucial for maintaining scalp health, as it ensures that hair follicles receive the necessary nutrients to support hair growth and maintenance. Secondly, red light irradiation effectively promotes collagen production in the scalp, enhancing overall scalp health, making it firmer and more elastic, thus providing a better foundation for healthy hair growth.

[0213] In some embodiments, the multiple light sources in the first mode and the second mode include red light; in the first mode, the red light operates according to the nineteenth red light brightness duty cycle, and in the second mode, the red light operates according to the twentieth red light brightness duty cycle; wherein, the maximum value of the nineteenth red light brightness duty cycle is greater than the maximum value of the twentieth red light brightness duty cycle; and / or, the duration of the first mode is the nineteenth duration, the duration of the second mode is the twentieth duration, and the nineteenth duration is equivalent to the twentieth duration.

[0214] Specifically, in this embodiment, the duration of both the first mode and the second mode is 9-11 minutes. In the first mode, the duty cycle of the nineteenth red light is 100%, and in the second mode, the duty cycle of the twentieth red light is 82%-86%. In this embodiment, the scalp is first activated by the first mode with a higher red light duty cycle, and then the activity level of the scalp is maintained by the second mode with a lower red light duty cycle, thereby achieving the purpose of continuous and efficient physical therapy.

[0215] Eleventh Functional Mode - Abdominal Mode

[0216] This functional mode is primarily designed for individuals with stretch marks, obesity marks, and those prone to fat accumulation in the abdomen. How it works: Red light therapy uses low levels of red light that penetrates the skin, stimulating skin cells and promoting cell repair and regeneration. Near-infrared light has even deeper penetration, reaching deeper layers of skin tissue. Specifically, yellow light inhibits tyrosinase activity, reducing melanin production. Red light effectively reduces inflammation, which helps alleviate itching caused by stretch marks. By reducing inflammation, the skin healing process is accelerated. The combination of red and near-infrared light significantly improves the appearance of stretch marks and scars, making the skin look more even and smoother.

[0217] In some embodiments, in the first mode, multiple light sources include yellow light and / or green light, red light, infrared light and / or far-infrared light; in the second mode, multiple light sources include red light, infrared light and / or far-infrared light; in the first mode, multiple light sources operate according to their respective twenty-first brightness duty cycles, and in the second mode, red light operates according to a twenty-second brightness duty cycle; wherein, the maximum value of the twenty-first brightness duty cycle of red light, infrared light, and far-infrared light is less than the maximum value of the twenty-second brightness duty cycle; and / or, the duration of the first mode is the twenty-first duration, and the duration of the second mode is the twenty-second duration, the twenty-first duration and the twenty-second duration being equivalent.

[0218] In this embodiment, the abdominal skin is first treated with a first mode (yellow light and / or green light, red light, infrared light and / or far-infrared light) to effectively reduce inflammation, relieve itching caused by stretch marks, stimulate skin cell repair and regeneration, and inhibit tyrosinase activity to reduce melanin production. Then, the second mode (red light, infrared light and / or far-infrared light) is used to efficiently and continuously stimulate skin cell regeneration, thereby improving the quality of the abdominal skin.

[0219] In some embodiments, in order to further improve the control accuracy of each mode, the first mode is formed by multiple sub-modes in a loop, and the optical characteristics of different sub-modes are different, as shown in the following embodiments.

[0220] In the first mode, multiple light sources include yellow and / or green light, red light, infrared light, and / or far-infrared light; in the second mode, multiple light sources include red light, infrared light, and / or far-infrared light; in the first mode, each light source operates according to its own 21st brightness duty cycle, and in the second mode, red light operates according to its 22nd brightness duty cycle; wherein, the maximum value of the 21st brightness duty cycle for red light, infrared light, and far-infrared light is less than the maximum value of the 22nd brightness duty cycle; and / or, the duration of the first mode is the 21st duration, and the duration of the second mode is the 22nd duration, with the 21st duration and the 22nd duration being equivalent;

[0221] The first mode includes the thirty-fifth and thirty-sixth sub-modes. The thirty-fifth and thirty-sixth sub-modes are repeated periodically during the duration of the first mode. The twenty-first brightness duty cycle includes the thirty-fifth and thirty-sixth sub-brightness duty cycles. In the thirty-fifth sub-mode, multiple light sources operate according to their respective thirty-fifth sub-brightness duty cycles. In the thirty-sixth sub-mode, multiple light sources operate according to their respective thirtieth sub-brightness duty cycles. The thirty-fifth sub-brightness duty cycle of the same light source is greater than the thirty-sixth sub-brightness duty cycle. The twenty-second brightness duty cycle of red light, infrared light, and / or far-infrared light is greater than the thirty-fifth sub-brightness duty cycle.

[0222] More specifically, the following describes the specific parameters of the first and second modes under the eleventh functional mode by providing specific numerical values.

[0223] In the first mode, multiple light sources include yellow and / or green light, red light, infrared light, and / or far-infrared light; in the second mode, multiple light sources include red light, infrared light, and / or far-infrared light; in the first mode, each light source operates according to its own 21st brightness duty cycle, and in the second mode, red light operates according to its 22nd brightness duty cycle; wherein, the maximum value of the 21st brightness duty cycle for red light, infrared light, and far-infrared light is less than the maximum value of the 22nd brightness duty cycle; and / or, the duration of the first mode is the 21st duration, and the duration of the second mode is the 22nd duration, with the 21st duration and the 22nd duration being equivalent;

[0224] The first mode includes a thirty-fifth sub-mode and a thirty-sixth sub-mode. The thirty-fifth and thirty-sixth sub-modes are repeated periodically during the duration of the first mode. The twenty-first brightness duty cycle includes the thirty-fifth and thirty-sixth sub-brightness duty cycles. In the thirty-fifth sub-mode, multiple light sources operate according to their respective thirty-fifth sub-brightness duty cycles. In the thirty-sixth sub-mode, multiple light sources operate according to their respective thirtieth sub-brightness duty cycles. The thirty-fifth sub-brightness duty cycle of the same light source is greater than the thirty-sixth sub-brightness duty cycle. The twenty-second brightness duty cycle of red light, infrared light, and / or far-infrared light is greater than the thirty-fifth sub-brightness duty cycle.

[0225] The duration of the first and second modes is 9-11 minutes.

[0226] The duration of the 35th and 36th submodes is 18s-22s; and / or, the duty cycle of the 35th yellow photon brightness is 58%-64%, and the duty cycle of the 36th yellow photon brightness is 54%-58%; the duty cycle of the 35th green photon brightness is 58%-64%, and the duty cycle of the 36th green photon brightness is 54%-58%; the duty cycle of the 35th red photon brightness is 26%-30%, and the duty cycle of the 36th red photon brightness is 22%-26%; the duty cycles of the 35th infrared photon brightness, the 36th infrared photon brightness, the 35th far-infrared photon brightness, and the 36th far-infrared photon brightness are 40%-46%;

[0227] The duty cycle of the 22nd red light is 76%-80%, and the duty cycle of the 22nd infrared light and the 22nd far-infrared light is 45%-49%.

[0228] Eleventh Functional Mode - Abdominal Mode - Brightness Duty Cycle Parameter Example Table

[0229]

[0230] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A light cosmetic device, characterized in that, include: Multiple light sources are used to deliver light energy to the user's skin; A control device, electrically connected to the various light sources, is used to control the various light sources to output light in multiple output modes with different light characteristics. The multiple output modes include a composite mode. The composite mode includes at least: a first mode for activating the skin; And a second mode, used to keep the skin active.

2. The photocosmetic device of claim 1, wherein The multiple light sources include at least two of blue light, yellow light and / or green light, infrared light and / or far-infrared light, and red light; The first mode and / or the second mode include at least two of the multiple light sources; In the first mode and the second mode, at least one of the light sources has different light characteristics, including at least one of wavelength, irradiance, brightness duty cycle, and light intensity.

3. The photocosmetic device of claim 2, wherein The types of light sources included in the first mode and the second mode are not exactly the same; and / or, For the same light source included in both the first mode and the second mode, the maximum brightness duty cycle in the first mode is greater than or less than the maximum brightness duty cycle in the second mode; and / or, The same light source included in the first mode and the second mode has a shorter or longer duration of operation in the first mode than in the second mode.

4. The photocosmetic device of any of claims 1 to 3, wherein, At least one of the first mode and the second mode includes at least two of the multiple light sources; The control device is also used to implement a cyclic switching process, which includes periodically repeating the first mode and the second mode.

5. The photocosmetic device of claim 4, wherein the light source is a light emitting diode. The duration of the first mode is less than or equal to the duration of the second mode; For light sources included in both the first mode and the second mode, the brightness duty cycle in the first mode is greater than the brightness duty cycle in the second mode.

6. The photocosmetic device of any of claims 1 to 3, wherein the light source is a light emitting diode. The first mode includes a first output mode and a second output mode. The first output mode and the second output mode have different optical characteristics. The first output mode is a strong activation mode and the second output mode is a weak activation mode. The control device is also used to implement a first continuous switching process, which includes periodically repeating the first output mode and the second output mode. And / or, The second mode includes a third output mode and a fourth output mode. The third output mode and the fourth output mode have different optical characteristics. The third output mode is a strong sustaining mode and the fourth output mode is a weak sustaining mode. The control device implements a second continuous switching process, which includes periodically repeating the third output mode and the fourth output mode.

7. The light-based beauty device as described in any one of claims 1 to 3, characterized in that, The first mode includes a first output mode and a second output mode. The control device implements a first continuous switching process, which includes periodically repeating the first output mode and the second output mode. The duration of the first output mode is less than or equal to the duration of the second output mode. For light sources included in both the first output mode and the second output mode, the brightness duty cycle in the first output mode is greater than the brightness duty cycle in the second output mode. And / or, The second mode includes a third output mode and a fourth output mode. The control device implements a second continuous switching process, which includes periodically repeating the third output mode and the fourth output mode. The duration of the third output mode is less than or equal to the duration of the fourth output mode. For light sources included in both the third and fourth output modes, the brightness duty cycle in the third output mode is greater than the brightness duty cycle in the fourth output mode.

8. The photocosmetic device of any of claims 1 to 3, wherein, The composite mode also includes a third mode for consolidating the active state of the skin; and / or, The second function of the second mode has the function of enhancing or maintaining the first function of the first mode.

9. The photocosmetic device of claim 1, wherein, The composite mode also includes a third mode, which includes a fifth output mode and a sixth output mode. The control device implements a third continuous switching process, which includes periodically repeating the fifth output mode and the sixth output mode. The duration of the fifth output mode is less than or equal to the duration of the sixth output mode. For light sources included in both the fifth and sixth output modes, the brightness duty cycle in the fifth output mode is greater than the brightness duty cycle in the sixth output mode.

10. The light-based beauty device as described in claim 1, characterized in that, The multiple light sources in the first mode and the second mode include yellow light and / or green light, infrared light and / or ultra-infrared light, and red light; in the first mode, the multiple light sources operate according to their respective first brightness duty cycles, and in the second mode, the multiple light sources operate according to their respective second brightness duty cycles, the maximum value of the first brightness duty cycle is greater than the maximum value of the second brightness duty cycle, and / or, the duration of the first mode is a first duration, the duration of the second mode is a second duration, and the first duration and the second duration are equivalent; or, In the first mode, the multiple light sources include blue light and red light; in the second mode, the multiple light sources include blue light, yellow light, and / or green light and red light; in the first mode, blue light and red light operate according to their respective third brightness duty cycles, and in the second mode, blue light and red light operate according to their respective fourth brightness duty cycles. The maximum value of the third brightness duty cycle of the same light source is greater than the maximum value of the fourth brightness duty cycle, and / or, the duration of the first mode is the third duration, the duration of the second mode is the fourth duration, and the third duration is equivalent to the fourth duration; or... In the first mode, the multiple light sources include yellow light and / or green light, infrared light and / or ultra-infrared light, and red light; in the second mode, the multiple light sources include blue light and red light; in the first mode, blue light and red light operate according to their respective fifth brightness duty cycles, and in the second mode, blue light and red light operate according to their respective sixth brightness duty cycles, wherein the maximum value of the fifth brightness duty cycle is less than the maximum value of the sixth brightness duty cycle, and / or, the duration of the first mode is the fifth duration, the duration of the second mode is the sixth duration, and the fifth duration is equivalent to the sixth duration; or... The first mode includes multiple light sources, including red light; the second mode includes multiple light sources, including yellow light and / or green light; the composite mode further includes a third mode, in which the multiple light sources include yellow light and / or green light and red light; in the first mode, red light operates according to a seventh red light brightness duty cycle; in the second mode, yellow light operates according to a seventh yellow light brightness duty cycle; and green light operates according to a seventh green light brightness duty cycle; in the third mode, red light operates according to an eighth red light brightness duty cycle; yellow light operates according to an eighth yellow light brightness duty cycle; and green light operates according to an eighth green light brightness duty cycle; wherein the maximum value of the eighth yellow light brightness duty cycle is greater than the maximum value of the seventh yellow light brightness duty cycle, the maximum value of the eighth green light brightness duty cycle is greater than the maximum value of the seventh green light brightness duty cycle, and the maximum value of the seventh red light brightness duty cycle is greater than the maximum value of the eighth red light brightness duty cycle; and / or, the duration of the first mode and the second mode is a seventh duration, and the duration of the third mode is an eighth duration, wherein the eighth duration is less than or equal to the seventh duration; or... In the first mode, the multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, the multiple light sources include yellow light and / or green light; in the first mode, the multiple light sources operate according to their respective ninth brightness duty cycles, and in the second mode, the multiple light sources operate according to their respective tenth brightness duty cycles, wherein the maximum value of the ninth brightness duty cycle of the same light source is greater than the maximum value of the tenth brightness duty cycle, and / or, the duration of the first mode is the ninth duration, the duration of the second mode is the tenth duration, and the ninth duration is less than the tenth duration; or... The first mode includes multiple light sources such as blue light, yellow light, and / or green light, infrared light, and / or far-infrared light and red light; the second mode includes multiple light sources such as blue light, yellow light, and / or green light and red light; in the first mode, each of the multiple light sources operates with its own eleventh brightness duty cycle; in the second mode, each of the multiple light sources operates with its own twelfth brightness duty cycle; the maximum value of the eleventh brightness duty cycle of the same light source is less than the minimum value of the twelfth brightness duty cycle; and / or, the duration of the first mode is eleventh duration, and the duration of the second mode is twelfth duration, the eleventh duration being equivalent to the twelfth duration; or... In both the first and second modes, the multiple light sources include blue light, yellow light and / or green light, infrared light and / or far-infrared light and red light. In the first mode, each of the multiple light sources operates with its own thirteenth brightness duty cycle, and in the second mode, each of the multiple light sources operates with its own fourteenth brightness duty cycle. The maximum value of the thirteenth brightness duty cycle of the same light source is greater than or equal to the maximum value of the fourteenth brightness duty cycle, and / or, the duration of the first mode is a thirteenth duration, and the duration of the second mode is a fourteenth duration, wherein the thirteenth duration is less than the fourteenth duration; or... In the first mode, the multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the second mode, the multiple light sources include yellow light and / or green light, infrared light and / or far-infrared light and red light; in the first mode, the multiple light sources operate according to their respective fifteenth brightness duty cycle, and in the second mode, the multiple light sources operate according to their respective sixteenth brightness duty cycle; wherein, the maximum value of the fifteenth brightness duty cycle of yellow light and / or green light and red light is greater than the maximum value of the sixteenth brightness duty cycle, and the maximum value of the fifteenth brightness duty cycle of infrared light and ultra-infrared light is less than the maximum value of the sixteenth brightness duty cycle; and / or, the duration of the first mode is the fifteenth duration, and the duration of the second mode is the sixteenth duration, wherein the fifteenth duration is less than the sixteenth duration; or, In the second mode, the multiple light sources include yellow light and / or green light and red light; in the first mode, the multiple light sources include red light; in the second mode, the multiple light sources operate according to their respective eighteenth brightness duty cycles, and in the first mode, the red light operates according to its seventeenth brightness duty cycle; wherein, the maximum value of the seventeenth brightness duty cycle of the red light is greater than the maximum value of the eighteenth brightness duty cycle; and / or, the duration of the first mode is the seventeenth duration, and the duration of the second mode is the eighteenth duration, wherein the seventeenth duration is equivalent to the eighteenth duration; or... The multiple light sources mentioned in the first mode and the second mode include red light; in the first mode, the red light operates according to the nineteenth red light brightness duty cycle, and in the second mode, the red light operates according to the twentieth red light brightness duty cycle; wherein, the maximum value of the nineteenth red light brightness duty cycle is greater than the maximum value of the twentieth red light brightness duty cycle; and / or, the duration of the first mode is the nineteenth duration, and the duration of the second mode is the twentieth duration, wherein the nineteenth duration and the twentieth duration are equivalent; or... In the first mode, the multiple light sources include yellow light and / or green light, red light, infrared light and / or far-infrared light; in the second mode, the multiple light sources include red light, infrared light and / or far-infrared light; in the first mode, the multiple light sources operate according to their respective twenty-first brightness duty cycles, and in the second mode, the red light operates according to the twenty-second brightness duty cycle; wherein, the maximum value of the twenty-first brightness duty cycle of the red light, infrared light, and far-infrared light is less than the maximum value of the twenty-second brightness duty cycle; and / or, the duration of the first mode is the twenty-first duration, the duration of the second mode is the twenty-second duration, and the twenty-first duration and the twenty-second duration are equivalent.

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