OLED beauty instrument

By adopting a multi-OLED spliced ​​surface light source and a built-in rechargeable battery module, the problems of uneven light emission and insufficient penetration of beauty devices are solved, achieving better skin beauty effects and portability.

CN223846088UActive Publication Date: 2026-01-30FOSHAN ELECTRICAL & LIGHTING
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Patent Information

Application Number
CN202422474242.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2026-01-30
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

Existing beauty devices using LED light sources suffer from uneven light emission and insufficient skin penetration, and their limited functionality makes them unsuitable for portable use.

Method used

It adopts a surface light source component spliced ​​from multiple OLEDs, with a peak wavelength of 630nm~640nm, a half-peak bandwidth of 42nm~46nm, and an irradiation power density of 5.0~6.0mW/cm2. It has a built-in rechargeable battery module and a rotating connection structure, providing multi-angle use.

Benefits of technology

It achieves more uniform light emission, stronger penetration, better beauty effect, multiple functions, easy portability and use, and adapts to different angle needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an OLED (Organic Light Emitting Diode) beauty instrument, which comprises a base and a light source assembly arranged on the base, the light source assembly comprises an area light source piece emitting red light, the area light source piece is formed by splicing a plurality of OLEDs, the peak wavelength of the OLEDs is 630nm-640nm, the half-peak bandwidth of the OLEDs is 42nm-46nm, and the irradiation power density of the OLEDs is 5.0-6.0 mW / cm < 2 >. The utility model has the characteristics of more uniform luminescence, strong penetrability, good beautifying effect and the like.
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Description

TECHNICAL FIELD

[0001] The utility model relates to skin phototherapy technical field especially relates to a OLED beauty instrument. BACKGROUND

[0002] With the improvement of people's life quality, the beauty and skin care industry is flourishing. Traditional beauty methods often rely on cosmetics or surgery, but there are problems such as short effect and large side effect. In recent years, people's demand for beauty products is increasing, and the function and style of beauty products are becoming more and more diversified, such as beauty instrument, skin tender instrument, etc.

[0003] The current market beauty instrument generally includes a power supply, a set of lamp body module, two sets of lamp surface module, two sets of light source module and a set of control module; the power supply is an external power supply, which is electrically connected with the LED light source board installed on the light source module through the control module. Among them, the lamp body module includes lamp body middle part, lamp body lower part, touch panel, reinforcing plate and decorative plate; the lamp surface module includes lamp surface external part, lamp surface internal part and lampshade; the light source module includes light source back plate, LED light source board and U-shaped pin; the control module includes control board and ship type switch.

[0004] However, the above-mentioned beauty instrument uses LED as light source, which may have uneven light emission and insufficient skin penetration depth, thereby causing poor skin beauty effect. Secondly, the function of the beauty instrument is single and has great limitations, such as using external power supply or external power supply as power supply mode, which is not convenient for users to carry and use, and cannot be used for beauty and skin care work anytime and anywhere. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is to provide an OLED beauty instrument, which has the characteristics of more uniform light emission, strong penetration performance and good beauty effect.

[0006] In order to solve the above technical problem, the utility model provides an OLED beauty instrument, which comprises a base and a light source assembly installed on the base, the light source assembly comprises a red light emitting surface light source piece, the surface light source piece is spliced by a plurality of OLEDs, the peak wavelength of the OLED is 630nm-640nm, the half peak bandwidth is 42nm-46nm, and the irradiation power density is 5.0-6.0mW / cm 2 .

[0007] As an improvement of the above scheme, the peak wavelength of the OLED is 640nm, the half peak bandwidth is 45.5nm, and the irradiation power density is 5.0mW / cm 2 .

[0008] As an improvement of the above-mentioned scheme, the light source assembly comprises a housing and a light-transmitting panel arranged on the housing, the housing is provided with a mounting cavity, and the surface light source is arranged in the mounting cavity; the red light emitted by the surface light source is irradiated outward through the light-transmitting panel.

[0009] As an improvement of the above-mentioned scheme, the mounting cavity comprises a first mounting cavity and a second mounting cavity, the surface light source is arranged in the first mounting cavity, and the touch display circuit board is arranged in the second mounting cavity; the base is provided with a battery module and a charging conversion circuit board electrically connected with the battery module, the charging conversion circuit board is provided with a charging connecting portion, the charging connecting portion penetrates through the shell wall of the base and is exposed outside, and the touch display circuit board is electrically connected with the surface light source and the charging conversion circuit board respectively.

[0010] As an improvement of the above-mentioned scheme, the housing is provided with a rotating connecting portion at one end facing the base, and the rotating connecting portion is rotatably connected with the base.

[0011] As an improvement of the above-mentioned scheme, the base comprises a rear shell and a cover plate arranged on the rear shell, the cover plate is provided with a limiting opening, the cover plate and the rear shell are respectively provided with a first half groove and a second half groove arranged oppositely, the first half groove and the second half groove jointly form a rotating shaft hole, and the rotating shaft hole is arranged on both sides of the limiting opening; the rotating connecting portion extends into the rear shell through the limiting opening, an active gap is left between the rotating connecting portion and the limiting opening, one end of the rotating connecting portion is provided with a rotating shaft portion, and the rotating shaft portion is rotatably connected with the rotating shaft hole.

[0012] As an improvement of the above-mentioned scheme, the base is further provided with an elastic sheet, one end of the elastic sheet is fixedly connected with a spring mounting portion on the inner side of the base, and the other end of the elastic sheet is provided with a mounting groove; the base is provided with a charging opening, one end of the charging conversion circuit board is provided with the charging connecting portion, one end of the charging conversion circuit board abuts against the inner wall of the base, the charging connecting portion is inserted into the charging opening, and the other end of the charging conversion circuit board is inserted into the mounting groove.

[0013] As an improvement of the above-mentioned scheme, the touch display circuit board comprises a master control module, a light source driving module, a digital tube driving module, a touch portion and a digital display tube, the touch portion is electrically connected with the master control module, and the touch portion abuts against the light-transmitting panel; the master control module is connected with the digital display tube through the digital tube driving module, and the digital display tube is arranged correspondingly to the light-transmitting panel; the light source driving module is electrically connected with the master control module and the surface light source respectively, so as to drive the surface light source to work.

[0014] As the improvement of the above-mentioned scheme, the charging conversion circuit board comprises a power management module, a charging and discharging indication module and a voltage conversion module; the input ends of the power management module are electrically connected with the battery module and the charging connection part respectively, the output ends of the power management module are electrically connected with the input end of the voltage conversion module and the input end of the light source driving module respectively, the output end of the voltage conversion module is electrically connected with the master control module, the battery module, the digital tube driving module and the digital display tube respectively; the indication end of the power management module is electrically connected with the charging and discharging indication module.

[0015] As the improvement of the above-mentioned scheme, the charging and discharging indication module comprises a charging indication lamp and a discharging indication lamp, and the charging indication lamp and the discharging indication lamp are electrically connected with the corresponding indication ends of the power management module respectively.

[0016] The utility model discloses, has the following beneficial effect:

[0017] The utility model discloses a plurality of OLED constructs area light source spare, and area light source spare is used as the irradiation light source to make the light emission more uniform, and the peak wavelength of the OLED used simultaneously is 630nm~640nm, to emit uniform red light, and the half -peak bandwidth of the OLED used is 42nm~46nm, to make the wider spectral width can penetrate the skin more deeply, stimulate skin cell, and the irradiation power density of the OLED used is 5.0~6.0mW / cm 2 , to improve skin beauty effect, compared with the existing LED red light beauty instrument, the light emission is more uniform, can penetrate the skin more deeply, and effectively improves the beauty effect.

[0018] Secondly, the utility model discloses multiple functions, and the applicability is high, and the battery module of built -in chargeable discharge can provide the power required for beauty instrument at any time, is convenient for user to carry and use, and can carry out beauty and skin care work at any time and anywhere, and the rotation angle of the light source assembly can be adjusted through the rotation structure, to adapt to the use angle requirement of different users. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the front view structural schematic diagram of OLED beauty instrument of the utility model,

[0020] Figure 2 It is the side view structural schematic diagram of OLED beauty instrument of the utility model

[0021] Figure 3 It is the exploded structural schematic diagram of light source assembly of the utility model,

[0022] Figure 4 It is the relative spectrum of OLED of the utility model,

[0023] Figure 5 It is Figure 1a sectional structure schematic view of the AA direction of the OLED beauty instrument;

[0024] Figure 6 is the exploded structure schematic view of the OLED beauty instrument of the utility model;

[0025] Figure 7 is the structure schematic view of the rear shell of the utility model;

[0026] Figure 8 is the circuit diagram of the main control module and the nixie tube drive module of the utility model;

[0027] Figure 9 is the circuit diagram of the light source drive module of the utility model;

[0028] Figure 10 is the circuit diagram of the power management module and the charge and discharge indication module of the utility model;

[0029] Figure 11 is the circuit diagram of the voltage conversion module of the utility model. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described further in detail below in combination with the drawings. Only this statement, the up, down, left, right, front, back, inside, outside and other directions of the utility model appearing or about to appear in the text are based on the drawings of the utility model, and it is not a specific limitation on the utility model.

[0031] As Figures 1 to 3 shown, the utility model embodiment provides an OLED beauty instrument, including base 1 and installing on the base 1 light source assembly 2. The light source assembly 2 includes the surface light source piece 21 of emitting red light, the surface light source piece 21 is spliced by multiple OLEDs, and 4 OLEDs are powered by series connection. The peak wavelength of the OLED is 630nm~640nm, the half peak bandwidth is 42nm~46nm, and the irradiation power density is 5.0~6.0mW / cm 2, For example, the peak wavelength of the OLED is 631nm, 632nm, 633nm, 634nm, 635nm, 636nm, 637nm, 638nm, 639nm or 640nm, but is not limited to this, the half peak bandwidth of the OLED is 42nm, 42.5nm, 43nm, 43.5nm, 44nm, 44.5nm, 45nm, 45.5nm or 46nm, but is not limited to this, the irradiation power density of the OLED is 5.0mW / cm 2 , 5.2mW / cm 2 , 5.4mW / cm 2 , 5.6mW / cm 2, 5.8mW / cm 2 or 6.1mW / cm 2 .

[0032] The utility model discloses the surface light source piece 21 as the irradiation light source, to make the light more evenly, the peak wavelength of OLED that is simultaneously used is 630nm~640nm, to emit uniform red light, the half peak bandwidth of OLED that is used is 42nm~46nm, to make the more wide spectral width can penetrate the skin more deeply, stimulate skin cell, the irradiation power density of OLED that is used is 5.0~6.0mW / cm 2 , to improve the better skin beauty effect, compared with the LED red light beauty instrument of prior art, emit light more evenly, can penetrate the skin more deeply, effectively promote the beauty effect.

[0033] Wherein, OLED light source has the characteristics of fast response and high brightness, so that the utility model can provide stable and continuous photon energy output, compared with the traditional laser or LED light source, the light source of the utility model is more uniform in energy output, avoids the skin irritation or damage due to energy fluctuation, and moreover, due to the light-emitting principle of OLED light source, the generated light does not contain ultraviolet or other harmful radiation, greatly reduces the potential harm to the skin. At the same time, the soft light of OLED light source ensures the comfort of use, reduces the discomfort of the user in the use process, improves the use safety and comfort of the user.

[0034] Preferably, as Figure 4 shown, the peak wavelength of the OLED is 640nm, the half peak bandwidth is 45.5nm, and the irradiation power density is 5.0mW / cm 2 ; wherein, the luminous flux of OLED is 85.31lm, and the color rendering index is 37.3. Based on the surface light source piece 21 under the above parameter setting, the best irradiation time of the subject is 20min per day, and the use effect is as follows:

[0035] (1) After 4 weeks of use, the skin moisture content of the subject increased by 15.26%; after 8 weeks of use, the skin moisture content of the subject decreased by 25.01%, and after 12 weeks of use, the skin moisture content of the subject decreased by 30.06%, proving that the OLED has a moisturizing effect.

[0036] (2) After 4 weeks of use, the skin oil content of the subject decreased by 10.38%; after 8 weeks of use, the skin oil content of the subject decreased by 9.49%, and after 12 weeks of use, the skin oil content of the subject decreased by 7.9%, proving that the OLED has the effect of reducing facial sebum secretion.

[0037] (3) After 4 weeks of use, the skin elasticity of the subject is improved by 4.24%; after 8 weeks of use, the skin elasticity of the subject is improved by 7.56%, and after 12 weeks of use, the skin elasticity of the subject is improved by 7.7%, proving that the OLED has the effect of enhancing skin elasticity.

[0038] (4) After 4 weeks of use, the skin wrinkles of the subject are reduced by 6.37%; after 8 weeks of use, the skin wrinkles of the subject are reduced by 17.52%, and after 12 weeks of use, the skin wrinkles of the subject are reduced by 16.7%, proving that the OLED has the effect of enhancing skin elasticity.

[0039] The above use data can prove that the OLED has the effects of moisturizing, enhancing skin elasticity, and reducing wrinkles. At the same time, compared with the existing LED red light beauty instrument, it has the characteristics of more uniform light emission, stronger penetration ability, and better beauty effect.

[0040] Preferably, in other embodiments, the peak wavelength of the OLED can also be 638 nm, the half-peak bandwidth can also be 45.4 nm, and the irradiation power density can also be 5.2 mW / cm 2 , but not limited to; wherein the luminous flux of the OLED can also be 89.09 lm, and the color rendering index can also be 38.7, but not limited to. At this time, the subject also has the effects of moisturizing, enhancing skin elasticity, and reducing wrinkles after use. For example, after 4 weeks of use, the skin moisture content of the subject is increased by 5.35%, the skin oil content is decreased by 2.8%, the skin elasticity is improved by 3.4%, and the skin wrinkles are reduced by 6.5%.

[0041] Specifically, as shown in FIGS. Figure 2 , 3 and 5, the light source assembly 2 includes a housing 22 and a light-transmitting panel 23 covering the housing 22, the housing 22 is provided with a mounting cavity 24, and the surface light source 21 is mounted in the mounting cavity 24; the red light emitted by the surface light source 21 is irradiated outward through the light-transmitting panel 23 to act on the skin of the user to achieve the effect of beauty and skin care.

[0042] The mounting cavity 24 includes a first mounting cavity 241 and a second mounting cavity 242, the surface light source 21 is mounted in the first mounting cavity 241, and the touch display circuit board 3 is mounted in the second mounting cavity 242; the base 1 is provided with a battery module 4 and a charging conversion circuit board 5 electrically connected with the battery module 4, the charging conversion circuit board 5 is provided with a charging connection part 51, the charging connection part 51 penetrates through the shell wall of the base 1 and is exposed outside to be connected with an external charging end to achieve the charging effect; the touch display circuit board 3 is electrically connected with the surface light source 21 and the charging conversion circuit board 5 respectively, so as to be powered on according to the power supply provided by the charging conversion circuit board 5, thereby controlling the surface light source 21 to perform beauty irradiation work and display the corresponding beauty use time.

[0043] As shown in Figures 5 to 6 , the base 1 is also internally provided with a counterweight 6 to improve the stability of the base 1. The bottom wall of the base 1 is provided with a silica gel pad 11 around the periphery to serve as a buffer.

[0044] In order to facilitate the use of different angles of users, as shown in Figure 2 , 5 , 6 and 7, one end of the shell 22 facing the base 1 is provided with a rotating connection part 25, which is rotatably connected with the base 1, so that the shell 22 and the surface light source 21 can be rotated to the desired angle relative to the base 1 to meet the use requirements of different angles of users.

[0045] The base 1 includes a rear shell 12 and a cover plate 13 provided on the rear shell 12, the cover plate 13 is provided with a limiting opening 14, the cover plate 13 and the rear shell 12 are respectively provided with first and second half grooves 15 and 16 facing each other, the first and second half grooves 15 and 16 together form a rotating shaft hole 17, the rotating shaft hole 17 is respectively arranged on both sides of the limiting opening 14; the rotating connection part 25 extends into the rear shell 12 through the limiting opening 14, and a movable gap is left between the rotating connection part 25 and the limiting opening 14, so that the rotating connection part 25 can be adjusted by swinging up and down in the movable gap; one end of the rotating connection part 25 is provided with a rotating shaft part 251, which is rotatably connected with the rotating shaft hole 17, thereby realizing the rotating connection between the rear shell 12 and the base 1. By controlling the rear shell 12 to swing up or down in the movable gap through its rotating connection part 25, the use angle of the surface light source 21 can be adjusted. The inner walls on both sides of the limiting opening 14 can limit the angle of the rotating connection part 25, so as to avoid the problem of unstable placement of the base 1 caused by excessive rotation. The adjustable angle range of the beauty instrument of the embodiment is 0-20°, which facilitates the use requirements of multi-angle irradiation of users.

[0046] In use, the OLED beauty instrument is placed on the table top, and in most cases, the height of the surface light source 21 is lower than that of the user's face. By tilting the cover plate 13 and the light source assembly 2 of the base 1 from top to bottom and forward, the backward tilting angle of the light source assembly 2 can be enlarged, so that the surface light source 21 can achieve a better irradiation angle to meet the use angle requirements of users.

[0047] Preferably, as shown in Figures 6 to 7As shown, the base 1 is further internally provided with an elastic sheet 7, one end of the elastic sheet 7 is fixedly connected with a spring mounting portion 18 on the inner side of the base 1, and the other end of the elastic sheet 7 is provided with a mounting groove 71; the base 1 is provided with a charging port 19, one end of the charging conversion circuit board 5 is provided with the charging connecting portion 51, one end of the charging conversion circuit board 5 abuts against the inner wall of the base 1, the charging connecting portion 51 is inserted in the charging port 19 to be connected with an external charging end to realize the charging function, and the other end of the charging conversion circuit board 5 is inserted in the mounting groove 71, so that the charging conversion circuit board 5 is relatively fixed in the base 1, avoiding easy shaking or swinging of the charging conversion circuit board 5 to affect the stable use effect of the product. The elastic sheet 7 is arranged to facilitate quick dismounting and mounting of the charging conversion circuit board 5, so as to improve the dismounting and mounting efficiency and the maintenance efficiency.

[0048] Further, the touch display circuit board 3 comprises a master control module, a light source driving module, a digital tube driving module, a touch portion and a digital display tube, the touch portion is electrically connected with the master control module, and the touch portion abuts against the light-transmitting panel 23; a user presses a region corresponding to the touch portion of the light-transmitting panel 23 to realize the product on-off control use. The region can be a light-transmitting region or a non-light-transmitting region. The master control module is connected with the digital display tube through the digital tube driving module, and the digital display tube is arranged corresponding to the light-transmitting panel 23, so that the region of the light-transmitting panel 23 can display the time number of the digital display tube, thereby knowing the remaining use time of the product and improving the user use convenience. The light source driving module is electrically connected with the master control module and the area light source 21 respectively to drive the area light source 21 to irradiate and work, thereby realizing the beauty care effect.

[0049] The touch portion is a touch spring, but is not limited thereto. The light-transmitting panel 23 is a touch display screen, but is not limited thereto.

[0050] Preferably, the charging conversion circuit board 5 comprises a power management module, a charge and discharge indication module and a voltage conversion module; the input ends of the power management module are electrically connected with the battery module 4 and the charging connecting portion 51 respectively, the output ends of the power management module are electrically connected with the input ends of the voltage conversion module and the input end of the light source driving module respectively, and the output ends of the voltage conversion module are electrically connected with the master control module, the battery module 4, the digital tube driving module and the digital display tube respectively, so as to realize the charging and discharging work of the battery module 4 and provide working power sources for various electronic components.

[0051] The indicator terminal of the power management module is electrically connected to the charge / discharge indicator module to provide charging and discharging indication. The charge / discharge indicator module includes a charging indicator light and a discharging indicator light, both mounted on the base 1 to provide charging and discharging indication to the user. The charging and discharging indicator lights are electrically connected to their respective indicator terminals on the power management module. When the battery module 4 is charging, the charging indicator light flashes; when the battery is fully charged, the charging indicator light remains constantly lit; when the beauty device is working normally, the discharging indicator light remains constantly lit; when the battery power is low, the discharging indicator light flashes.

[0052] The electrical control components of the OLED beauty device of this invention will be described in further detail below with reference to the specific circuit diagram:

[0053] like Figure 8 As shown, the main control module 31 of this utility model includes a main control chip U4 and its peripheral circuit structure. The preferred model of the main control chip U4 is SC8F2892B, but it is not limited to this. The control pins of the main control chip U4 (such as pin 15) are electrically connected to the touch unit 33KEY1, and the debugging and programming pins of the main control chip U4 (such as pins 2 and 3) are electrically connected to the socket CON1. ​​Through the socket C01, it is electrically connected to an external debugging serial port device to realize online programming and debugging functions. The peripheral circuit structure of the main control chip U4 can be found in [reference needed]. Figure 8 As shown, I will not go into detail here.

[0054] The digital tube driver module 32 includes two digital tube driver chips (such as U5 and U6) and their peripheral circuit structure. The preferred signal for the digital tube driver chips is 74HC595, but this is not a limitation. The peripheral circuit structure of the digital tube driver chips can be found in [reference needed]. Figure 8 As shown, details will not be repeated here. Among them, the preferred model of the two digital display tubes (such as D5 and D6) is ELSS-406UWWA / S290.

[0055] It should be noted that multiple PWM pins (pins 4, 5, and 6) of the main control chip U4 are electrically connected to three control pins (such as pins 14, 11, and 12) of the two digital tube driver chips U5 and U6, respectively. Multiple drive pins of the digital tube driver chips (such as pins QA to QH, a total of 8 pins) are electrically connected to the corresponding pins of the corresponding digital display tubes. The main control chip U4, through the two digital tube driver chips U5 and U6, can control the two digital display tubes D5 and D6 to display the remaining usage time, allowing users to understand the usage status and improving ease of use.

[0056] like Figure 9The light source driving module includes a light source driving chip U2 and its peripheral circuit structure. The model of the light source driving chip U2 is preferably SY7203DBC, but is not limited thereto. The dimming pin of the light source driving chip U2 is electrically connected with the P-EN pin of the master control chip, and the two power supply ends of the OLED are electrically connected with the FB pin of the light source driving chip U2 and the 5V power supply, so as to drive the OLED to work. During work, the master control chip U4 can send a dimming signal to the light source driving chip U2 according to the control signal of the touch part 33KEY1, so that the light source driving chip U2 controls the OLED to work in dimming mode. The light source driving chip U2 and its peripheral circuit structure can provide accurate and stable current for the OLED, so as to ensure the stable work of the OLED. The peripheral circuit structure of the light source driving chip U2 can be seen from Figure 9 , which will not be repeated here.

[0057] As shown in Figure 10 , the power management module 52 includes a power management chip U1 and its peripheral circuit structure. The model of the power management chip U1 is preferably FM5324GA, but is not limited thereto. The input pin VIN of the power management chip U1 is electrically connected with the charging connection part 51 (such as the USB charging interface end USB1) and the battery module 4, respectively. The output pin VOUT of the power management chip U1 is electrically connected with the input end of the voltage conversion module and the input end of the light source driving module, so as to provide 5V power supply for the voltage conversion module and the light source driving module. The TAPW pin of the power management chip U1 is electrically connected with the control pin (such as pin 10) of the master control chip U4 through the triode Q1. The master control chip U4 can control the power management chip to work in charging and discharging mode.

[0058] The charging and discharging indication module 53 includes the LED indicator D1 (i.e. the charging indicator lamp mentioned above), the LED indicator D2 (i.e. the discharging indicator lamp mentioned above), the resistor R2 and the resistor R3. The anode end of the LED indicator D1 is electrically connected with the L1 pin of the power management chip U1 through the resistor R2. The anode end of the LED indicator D2 is electrically connected with the L3 pin of the power management chip U1 through the R3. The cathode end of the LED indicator D1 and the cathode end of the LED indicator D2 are grounded. The power management chip U1 can control the working state of the LED indicator D1 and the LED indicator D2, respectively. For example, when the battery module 4 is in charging state, the LED indicator D1 flashes. When the battery is fully charged, the LED indicator D1 is in constant state. When the beauty instrument works normally, the LED indicator D2 is in constant state. When the battery power is too low, the LED indicator D2 flashes. The peripheral circuit structure of the power management chip U1 can be seen from Figure 10 , which will not be repeated here.

[0059] As shown in Figure 11As shown, the voltage conversion module includes a voltage conversion chip U3 and its peripheral circuit structure, the input pin Vin of the voltage conversion chip is connected with the output pin VOUT of the power management chip U1 to receive the 5V power supply, the output pin Vout of the voltage conversion chip provides the 3V3 power supply for other electronic devices, and is electrically connected with the battery module 4 through the transistor Q2, the diode D4 and the resistor R16. Figure 11 As shown, details are not repeated here.

[0060] In summary, the utility model discloses the surface light source spare as the irradiation light source, to make the light emission more uniform, the peak wavelength of the OLED simultaneously used is 630nm~640nm, to emit uniform red light, the half peak bandwidth of the OLED used is 42nm~46nm, to make the wider spectral width can penetrate the skin more deeply, stimulate skin cells, the irradiation power density of the OLED used is 5.0~6.0mW / cm 2 To improve better skin beauty effect, compared with the existing LED red light beauty instrument, the light emission is more uniform, can penetrate the skin more deeply, effectively improves the beauty effect.

[0061] The above-mentioned is only the preferred embodiment of the utility model, of course can not with this to limit the right scope of the utility model, therefore the equivalent change made by the utility model claim still belongs to the range covered by the utility model.

Claims

1. An OLED cosmetic instrument, characterized in that, The application relates to a light source assembly comprising a base and a light source assembly mounted on the base, wherein the light source assembly comprises a red light emitting surface light source piece which is spliced by a plurality of OLEDs, the peak wavelength of the OLEDs is 630-640 nm, the half-peak bandwidth is 42-46 nm, and the irradiation power density is 5.0-6.0 mW / cm 2 .

2. The OLED cosmetic instrument of claim 1, wherein, The OLED has a peak wavelength of 640 nm, a half-peak bandwidth of 45.5 nm, and an irradiance power density of 5.0 mW / cm 2 .

3. The OLED cosmetic device according to claim 1, characterized in that, The light source assembly comprises a housing and a light-transmitting panel provided on the housing, the housing is provided with a mounting cavity, and the surface light source is mounted in the mounting cavity; the red light emitted by the surface light source is irradiated outward through the light-transmitting panel.

4. The OLED cosmetic device according to claim 3, characterized in that, The mounting cavity comprises a first mounting cavity and a second mounting cavity, the surface light source is mounted in the first mounting cavity, and the touch display circuit board is mounted in the second mounting cavity. The base is provided with a battery module and a charging conversion circuit board electrically connected with the battery module, the charging conversion circuit board is provided with a charging connecting portion, the charging connecting portion penetrates through the shell wall of the base and is exposed outside, and the charging conversion circuit board is provided with a charging connecting portion. The touch display circuit board is electrically connected with the surface light source and the charging conversion circuit board respectively.

5. The OLED cosmetic device of claim 3, wherein, The end of the housing facing the base is provided with a rotating connecting portion, and the rotating connecting portion is rotatably connected with the base.

6. The OLED cosmetic device according to claim 5, characterized in that, The base comprises a rear shell and a cover plate provided on the rear shell, the cover plate is provided with a limiting opening, and the cover plate and the rear shell are respectively provided with a first half groove and a second half groove facing each other, the first half groove and the second half groove jointly form a rotating shaft hole, and the rotating shaft hole is respectively arranged on the two sides of the limiting opening. The rotating connecting portion extends into the rear shell through the limiting opening, and a movable gap is left between the rotating connecting portion and the limiting opening, one end of the rotating connecting portion is provided with a rotating shaft portion, and the rotating shaft portion is rotatably connected with the rotating shaft hole.

7. The OLED cosmetic device of claim 4, wherein, The base is further provided with an elastic sheet, one end of the elastic sheet is fixedly connected with a spring mounting portion on the inner side of the base, and the other end of the elastic sheet is provided with a mounting groove. The base is provided with a charging port, one end of the charging conversion circuit board is provided with the charging connecting portion, one end of the charging conversion circuit board abuts against the inner wall of the base, the charging connecting portion is inserted into the charging port, and the other end of the charging conversion circuit board is inserted into the mounting groove.

8. The OLED cosmetic device of claim 4, wherein, The touch display circuit board comprises a master control module, a light source driving module, a digital tube driving module, a touch portion and a digital display tube, the touch portion is electrically connected with the master control module, and the touch portion abuts against the light-transmitting panel. The master control module is connected with the digital display tube through the digital tube driving module, and the digital display tube is correspondingly arranged with the light-transmitting panel. The light source driving module is electrically connected with the master control module and the surface light source respectively to drive the surface light source to work.

9. The OLED cosmetic device according to claim 8, characterized in that, The charging conversion circuit board comprises a power management module, a charge and discharge indication module and a voltage conversion module. The input end of the power management module is electrically connected with the battery module and the charging connecting portion respectively, the output end of the power management module is electrically connected with the input end of the voltage conversion module and the input end of the light source driving module respectively, and the output end of the voltage conversion module is electrically connected with the master control module, the battery module, the digital tube driving module and the digital display tube. The indication end of the power management module is electrically connected with the charge and discharge indication module.

10. The OLED cosmetic device of claim 9, wherein, The charge and discharge indication module comprises a charging indication lamp and a discharging indication lamp, and the charging indication lamp and the discharging indication lamp are electrically connected with the corresponding indication end of the power management module respectively.