CN114028726B - Light-emitting device and wearable phototherapy instrument - Google Patents
Light-emitting device and wearable phototherapy instrument Download PDFInfo
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- CN114028726B CN114028726B CN202111320597.4A CN202111320597A CN114028726B CN 114028726 B CN114028726 B CN 114028726B CN 202111320597 A CN202111320597 A CN 202111320597A CN 114028726 B CN114028726 B CN 114028726B
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/13718—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on a change of the texture state of a cholesteric liquid crystal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
- A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
- A61N2005/0645—Applicators worn by the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/065—Light sources therefor
- A61N2005/0651—Diodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0662—Visible light
- A61N2005/0663—Coloured light
Abstract
The application provides a light-emitting device and a wearable phototherapy instrument, wherein the light-emitting device comprises a light-emitting body, and the light-emitting body comprises a light-emitting unit for emitting therapeutic light and at least one group of cholesteric liquid crystal units arranged on the light-emitting side of the light-emitting unit; each group of cholesteric liquid crystal units comprises two cholesteric liquid crystal molecule layers and a conductive layer arranged between the two cholesteric liquid crystal molecule layers; and the first control unit is connected with the conductive layer and is used for adjusting the working voltage of the conductive layer so that the cholesteric liquid crystal unit reflects part of the therapeutic light and transmits the other part of the therapeutic light. When the light-emitting device is used, the working voltage of the conducting layer of the cholesteric liquid crystal unit can be adjusted through the first control unit, so that the cholesteric liquid crystal unit can reflect part of treatment light and transmit the other part of treatment light, and the treatment requirements of different treatment positions on different treatment light colors are met.
Description
Technical Field
The application relates to the technical field of phototherapy, in particular to a light-emitting device and a wearable phototherapy instrument.
Background
Along with the development and progress of technology, physical phototherapy devices gradually enter the line of sight of people, and physical phototherapy is to apply light-emitting elements to human body treatment, for example, red light (with wavelength of about 635 nm) has effects on human body, and the depth and effect of the light-emitting elements can reach the submucosa of skin, so that metabolism of local tissues can be promoted, and the effect of accelerating wound healing is achieved. However, the physical phototherapy apparatus in the related art has the following problems: the color of the therapeutic light emitted by the therapeutic light source cannot be adjusted, i.e. the therapeutic requirements of different therapeutic parts on different therapeutic light colors cannot be met. Therefore, the application provides a light-emitting device and a wearable phototherapy instrument.
Disclosure of Invention
The present application aims to solve the above problems and provides a light emitting device and a wearable phototherapy apparatus.
In a first aspect, the present application provides a light emitting device comprising:
a luminous body comprising a luminous unit for emitting therapeutic light and at least one group of cholesteric liquid crystal units arranged on the light emitting side of the luminous unit; each group of cholesteric liquid crystal units comprises two cholesteric liquid crystal molecule layers and a conductive layer arranged between the two cholesteric liquid crystal molecule layers;
and the first control unit is connected with the conductive layer and is used for adjusting the working voltage of the conductive layer so that the cholesteric liquid crystal unit reflects part of the therapeutic light and transmits the other part of the therapeutic light.
According to some embodiments of the present application, the cholesteric liquid crystal cell includes a plurality of cholesteric liquid crystal regions; a gap is formed between adjacent cholesteric liquid crystal regions; each of the cholesteric liquid crystal regions is independently controlled.
According to some embodiments of the present disclosure, the light emitting unit includes a substrate layer and a functional layer disposed on the substrate layer; the functional layer comprises a light emitting layer; the light-emitting layer comprises a plurality of independently controlled light-emitting areas; and a light-emitting gap penetrating through the functional layer is formed between the adjacent light-emitting areas.
According to some embodiments of the present application, the light-emitting gap may be any one of a cylindrical shape, a horn shape, or a square frame shape.
According to some embodiments of the present application, the first control unit is configured to adjust the working voltage of the conductive layer according to a set rule, so that the cholesteric liquid crystal unit emits therapeutic light with different colors.
In a second aspect, the present application provides a wearable phototherapy instrument comprising: a light emitting device as described above and a connector connected to the light emitting device; the two ends of the luminous body are respectively connected with the connecting piece and form a first annular structure; the first control unit is arranged in the connecting piece.
According to the technical scheme provided by certain embodiments of the application, two ends of the connecting piece are respectively provided with a clamping groove; the luminous body is of a flexible sheet structure, and two ends of the luminous body are detachably connected with the corresponding clamping grooves respectively, so that the light emitting side of the luminous body can be installed towards the inner part of the first annular structure and the outer part of the first annular structure.
According to the technical scheme provided by certain embodiments of the present application, one of the clamping grooves of the connecting piece is internally provided with an electrical contact electrically connected with the first control unit, and one end of the illuminant is provided with a plug-in part matched with the clamping groove; the plug-in part is provided with an electric connection protrusion which can be electrically connected with the electric contact.
According to some embodiments of the present disclosure, the connector has a hollow cavity; a circuit board is arranged on one side in the hollow cavity, and a length adjusting component is arranged on the other side; the first control unit is mounted on the circuit board; the length adjusting assembly comprises a rotating shaft arranged in the connecting piece and an FPC wound on the rotating shaft; one end of the rotating shaft extends out of the connecting piece and is connected with a knob; one end of the FPC is electrically connected with the circuit board and fixedly connected with the rotating shaft, and the other end of the FPC is detachably connected with the luminous body.
According to the technical scheme provided by certain embodiments of the application, a rubber protection film is attached to the FPC, or a corrugated sleeve is sleeved on the FPC.
According to the technical scheme provided by certain embodiments of the application, the wearable phototherapy apparatus further comprises a photoelectric conversion device electrically connected with the light emitting device and an electric storage device electrically connected with the photoelectric conversion device; the electricity storage device is arranged in the connecting piece; two ends of the photoelectric conversion device are respectively connected with the connecting piece and form a second annular structure; the photoelectric conversion device is used for absorbing the therapeutic light reflected by the cholesteric liquid crystal unit and converting the therapeutic light into electric energy to be stored in the electric storage device.
According to some embodiments of the present application, the photoelectric conversion device and the light emitting device share the substrate layer.
Compared with the prior art, the beneficial effect of this application: according to the light-emitting device, at least one group of cholesteric liquid crystal units are arranged on the light-emitting side of the light-emitting unit, when the light-emitting device is used, the working voltage of the conducting layer of the cholesteric liquid crystal units can be adjusted through the first control unit, so that the cholesteric liquid crystal units reflect part of treatment light and transmit the other part of treatment light, and the treatment requirements of different treatment positions on different treatment light colors are met. According to the technical scheme provided by some embodiments of the application, the cholesteric liquid crystal units are independently controlled in a partitioning manner, so that different areas of the light-emitting device can emit treatment light rays with different colors and wavelengths at the same time, the phototherapy effect of the partitioned areas is realized, and the treatment requirements of different treatment areas of a user are met; according to the technical scheme provided by some embodiments of the application, the light-emitting device is matched with the connecting piece to form a first annular structure, so that the light-emitting device can be worn on joint parts such as wrists and ankles to carry out phototherapy on the worn parts; according to the technical scheme provided by certain embodiments of the application, through setting up the length adjustment subassembly for the internal diameter of first annular structure is adjustable, thereby satisfies different users' user demand.
Drawings
Fig. 1 is a schematic structural diagram of a light-emitting body of a light-emitting device according to embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a first light-emitting body according to embodiment 2 of the present application;
fig. 3 is a schematic structural diagram of a second light-emitting body according to embodiment 2 of the present application;
fig. 4 is a schematic structural diagram of a third light-emitting body according to embodiment 2 of the present application;
fig. 5 is a schematic structural diagram of a light emitter of the light emitting device according to embodiment 3 of the present application;
fig. 6 is a schematic top view of a light emitting body of a light emitting device according to embodiment 3 of the present application;
fig. 7 is a schematic top view of a light emitting body of a light emitting device according to embodiment 3 of the present application;
fig. 8 is a schematic structural diagram of a wearable phototherapy apparatus provided in embodiment 4 of the present application;
fig. 9 is a schematic structural diagram of detachable connection between a light emitter and a connector of the wearable phototherapy apparatus provided in embodiment 4 of the present application;
fig. 10 is a schematic structural diagram of a length adjustment assembly of a wearable phototherapy apparatus provided in embodiment 6 of the present application;
fig. 11 is a schematic structural diagram of a wearable phototherapy apparatus provided in embodiment 7 of the present application;
fig. 12 is a schematic structural diagram of a wearable phototherapy apparatus provided in embodiment 9 of the present application.
The text labels in the figures are expressed as:
1. a light emitting body;
10. a light emitting unit; 101. a substrate layer; 102. an anode; 103. a hole transport functional layer; 104. a light emitting layer; 105. an electron transport functional layer; 106. a cathode;
20. a cholesteric liquid crystal cell; 201. a cholesteric liquid crystal molecular layer; 202. a conductive layer;
3. a connecting piece; 301. a clamping groove; 302. an electrical contact; 303. a plug-in part; 304. a power connection protrusion; 305. a circuit board; 306. a rotating shaft; 307. an FPC; 308. a knob;
4. a photoelectric conversion device.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present application, the following detailed description of the present application is provided by way of example and illustration only, and should not be construed to limit the scope of the present application in any way.
Example 1
The present embodiment provides a light emitting device including: a light 1 and a first control unit. The structure of the illuminant 1 is shown in fig. 1, and the illuminant 1 includes an illuminant unit 10 for emitting therapeutic light and at least one group of cholesteric liquid crystal units 20 disposed on the light emitting side of the illuminant unit 10. The cholesteric liquid crystal unit 20 includes at least two layers of a left-handed cholesteric liquid crystal layer and a right-handed cholesteric liquid crystal layer disposed in pairs, and is configured to reflect incident light. Alternatively, the cholesteric liquid crystal unit 20 may include a pair of a left-handed cholesteric liquid crystal layer and a right-handed cholesteric liquid crystal layer, wherein when the left-handed cholesteric liquid crystal layer and the right-handed cholesteric liquid crystal layer are in a pair, the left-handed cholesteric liquid crystal layer may be above or below the right-handed cholesteric liquid crystal layer, which is not particularly limited thereto; the liquid crystal display device may also comprise a plurality of pairs of left-handed cholesteric liquid crystal layers and right-handed cholesteric liquid crystal layers, and when the left-handed cholesteric liquid crystal layers and the right-handed cholesteric liquid crystal layers are in a plurality of pairs, the left-handed cholesteric liquid crystal layers and the right-handed cholesteric liquid crystal layers may be arranged at intervals, and illustratively, the liquid crystal display device may comprise two pairs of left-handed cholesteric liquid crystal layers and right-handed cholesteric liquid crystal layers arranged at intervals.
Alternatively, the light emitting unit 10 is an OLED light source or an LED light source.
The light emitting unit 10 of the light emitter 1 as shown in fig. 1 is an OLED light source; the OLED light source comprises a substrate layer 101 and a functional layer arranged on the substrate layer 101; the functional layers include an anode 102, a hole transport functional layer 103, a light emitting layer 104, an electron transport functional layer 105, and a cathode 106, which are sequentially disposed. Wherein the light emitter 1 emits light from one side of the substrate layer 101.
In the present embodiment, two sets of cholesteric liquid crystal cells 20 are provided in total on the light-emitting side of the light-emitting unit 10; each set of said cholesteric liquid crystal cells 20 comprises two layers 201 of cholesteric liquid crystal molecules and a conductive layer 202 arranged between the two layers 201 of cholesteric liquid crystal molecules.
The first control unit is connected to the conductive layer 202 for adjusting the operating voltage of the conductive layer 202 so that the cholesteric liquid crystal unit 20 reflects part of the therapeutic light and transmits another part of the therapeutic light.
The two sets of cholesteric liquid crystal units 20 in this embodiment are controlled by the first control unit respectively, so that the two sets of cholesteric liquid crystal units 20 can reflect therapeutic light rays with different colors, i.e. transmit therapeutic light rays with different colors, thereby meeting different phototherapy requirements of users. Specifically, each group of cholesteric liquid crystal units 20 may be provided with an adjusting knob, and the adjusting knob may be provided with different gears, corresponding to different reflected light colors.
The phototherapy effect of light of different colors and different wave bands is different: the light irradiation depth of yellow green light with the wave band of 510 nm-590 nm is between blue light and red light, so that the dredging and the expansion of capillary vessels with the skin depth can be promoted, the resistance of cells can be enhanced, and the treatment effect of an affected part can be accelerated; red light with the wave band of 590-810 nm can lead mitochondria to release cytochrome c oxidase, increase adenosine triphosphate, and the cells provide energy by using the adenosine triphosphate, thereby promoting the metabolism of the cells; meanwhile, the red light irradiation heats molecules in blood vessels, regulates the vasodilation and improves the blood circulation; blue light irradiation in the 440-510 nm band can be used for relieving pain and swelling caused by inflammation.
Preferably, the first control unit is configured to adjust the operating voltage of the conductive layer 202 according to a set rule, so that the cholesteric liquid crystal unit 20 transmits therapeutic light rays with different colors; wherein the setting rules are preset in the first control unit according to the efficacy, for example, the preset rules can be set in the following manner: a treatment cycle is formulated according to the needs of the treatment site, which treatment cycle comprises at least two treatment periods, each of which is not identical or identical in the colorbands of the treatment light transmitted through the cholesteric liquid crystal unit 20.
In other embodiments of the present application, other numbers of cholesteric liquid crystal cells 20 may be disposed on the light emitting side of the light emitting unit 10.
Example 2
The present embodiment provides a light emitting device, as shown in fig. 2, which is different from the light emitting device in embodiment 1 in that: the light emitting device provided in embodiment 1 includes two sets of cholesteric liquid crystal cells 20 in total, and each set of cholesteric liquid crystal cells 20 is continuous, that is, is an integral body, whereas the light emitting side of the light emitting cell 10 of the light emitting device provided in this embodiment is provided with one set of cholesteric liquid crystal cells 20, and the cholesteric liquid crystal cells 20 include a plurality of cholesteric liquid crystal regions; a gap is formed between adjacent cholesteric liquid crystal regions; each cholesteric liquid crystal region is independently controlled; the design ensures that different areas of the light-emitting device can emit therapeutic light rays with different colors and wavelengths at the same time, realizes the phototherapy effect of the sub-areas, and meets the treatment requirements of different treatment areas of users.
It should be noted that, in other embodiments of the present application, other numbers of cholesteric liquid crystal cells 20 may be included, and all of the cholesteric liquid crystal cells 20 may have a plurality of independent cholesteric liquid crystal regions, as shown in fig. 3, and each of the two sets of cholesteric liquid crystal cells 20 disposed in a stacked manner has a plurality of independent cholesteric liquid crystal regions; as shown in fig. 4, the cholesteric liquid crystal cells 20 near one side of the substrate layer 101 are arranged in succession, while the cholesteric liquid crystal cells 20 at the outermost side have several independent cholesteric liquid crystal regions.
Example 3
The present embodiment provides a light emitting device, in which, on the basis of embodiment 1, as shown in fig. 5, the light emitting layer 104 includes a plurality of independently controlled light emitting regions; and a light-emitting gap penetrating through the functional layer is formed between the adjacent light-emitting areas. Each light emitting region is independent and is controlled by an independent electrode, the lighting of different light emitting regions is realized by controlling the anodes 102 respectively, the light emitting brightness of different light emitting regions is controlled by providing different working voltages for the anodes 102 of different light emitting regions, or different light emitting layers 104 in different light emitting regions are enabled to work by adjusting the duty ratio of a circuit and the working voltage, so that the light emitting wavelength of different light emitting regions is adjusted to meet the treatment requirements of different treatment positions and different treatment regions.
By providing the light-emitting gap on the light-emitting layer 104 of the light-emitting body 1, part of the therapeutic light reflected by the cholesteric liquid crystal unit 20 can be emitted through the light-emitting gap, namely, emitted from the back surface of the light-emitting device, and according to different designs of the shape of the light-emitting gap, light point sets, light stripes and the like can be formed on the back surface of the light-emitting device, so that the aesthetic feeling of the light-emitting device can be increased; as shown in fig. 6, the back surface of the light emitting unit of the light emitting device is formed as a light point set in use; as shown in fig. 7, the back surface of the light emitting unit of the light emitting device is formed as a light stripe in use.
Optionally, the light emitting gap is any one of a cylinder, a horn or a square frame.
Note that, in addition to any of the light emitting devices provided in embodiment 2, the light emitting layer 104 may be provided with a light emitting gap.
Example 4
The present embodiment provides a wearable phototherapy apparatus, as shown in fig. 8, including the light-emitting device described in embodiment 1, and a connector 3 connected to the light-emitting device; two ends of a luminous body 1 of the luminous device are respectively connected with the connecting piece 3 to form a first annular structure, and the luminous side of the luminous body 1 faces into the first annular structure; the first control unit is placed in the connection piece 3.
The wearable phototherapy apparatus is wearable on joint parts such as wrists and ankles and can carry out phototherapy on the worn parts. For convenience of wearing, the illuminant 1 may be provided with a certain elasticity and flexibility, or one end of the illuminant 1 is fixedly connected with the connecting piece 3, and the other end is detachably connected with the connecting piece 3; wherein, one end of the illuminant 1 is electrically connected with the first control unit through a connecting piece 3, and may be a fixed connecting end or a detachable connecting end.
As shown in fig. 9, the detachable connection end of the illuminant 1 and the connector 3 is an electrical connection end; specifically, a first control unit is arranged in the connecting piece 3, the outside of the first control unit is wrapped by a flexible material, such as a rubber material, and a clamping groove 301 is formed in the detachable connecting end of the connecting piece 3; the clamping groove 301 is internally provided with an electrical contact 302 electrically connected with the first control unit; the detachable connection end of the illuminant 1 is provided with a plug-in part 303 matched with the clamping groove 301; the plug-in portion 303 is provided with an electrical connection protrusion 304 that can be electrically connected with the electrical contact 302; the power connection protrusion 304 is arc-shaped, and is conveniently inserted into the clamping groove 301 together with the plugging portion 303.
It should be noted that, in other embodiments of the present application, two ends of the light emitter 1 may be detachably connected to two ends of the connecting piece 3, and for one end of the non-electrical connection, a detachable connection manner may be a manner such as a snap connection or a hook-and-loop connection.
Example 5
The present embodiment provides a wearable phototherapy apparatus, in this embodiment, on the basis of embodiment 4, two ends of the connecting piece 3 are detachably connected with two ends of the light emitting body 1, and the light emitting body 1 may be both forward-mounted and reverse-mounted, that is, a light emitting side of the light emitting body 1 may be mounted towards an inner portion of the first annular structure and may be mounted towards an outer portion of the first annular structure; the detachable connection manner of the two ends can be respectively the matching manner of the clamping groove 301 and the clamping portion mentioned in embodiment 4, only one end of the two ends is required to be electrically connected, and the electrical contact 302 is not required to be arranged in the clamping groove 301 of the non-electrical connection end.
When the light emitting side of the luminous body 1 faces to the inner part of the first annular structure, the light emitted by the luminous body 1 is used for phototherapy of the worn part; when the light emitting side of the light emitting body 1 faces to the outer part of the first annular structure, the light emitted by the light emitting body 1 is used for realizing the display illumination function, for example, the light emitting body can be applied at night to play a role in reminding at night, and the light emitting body is particularly suitable for users running or riding at night. Preferably, the light emitting side of the light emitting unit 10 is provided with a plurality of groups of cholesteric liquid crystal units 20 which are tiled, so that the wearable phototherapy apparatus can realize color display.
Example 6
In the embodiment, on the basis of embodiment 4, the inner diameter of the first annular structure is adjustable; specifically, the connector 3 has a hollow cavity; a circuit board 305 is arranged on one side in the hollow cavity, and a length adjusting component is arranged on the other side; the first control unit is mounted on the circuit board 305; as shown in fig. 10, the length adjustment assembly includes a rotation shaft 306 installed in the connector 3, and an FPC307 wound around the rotation shaft 306; one end of the rotating shaft 306 extends out from the connecting piece 3 and is connected with a knob 308; one end of the FPC307 is electrically connected to the circuit board 305 and fixedly connected to the rotating shaft 306, and the other end is connected to the light emitting body 1, for example, may be connected by soldering. Alternatively, a rubber protective film is attached to the FPC307, or a corrugated tube is sleeved on the FPC.
According to the embodiment, the length adjusting assembly is arranged, so that the inner diameter of the first annular structure is adjustable, and the use requirements of different users are met.
Example 7
The present embodiment provides a wearable phototherapy apparatus, which further includes, on the basis of embodiment 4, as shown in fig. 11, a photoelectric conversion device 4 electrically connected to the light emitting device, and an electric power storage device electrically connected to the photoelectric conversion device 4; the electricity storage device is arranged in the connecting piece 3; the photoelectric conversion device 4 is of an independent sheet-shaped structure; two ends of the photoelectric conversion device 4 are respectively connected with the connecting piece 3 and form a second annular structure; the second annular structure is sleeved outside the first annular structure; the photoelectric conversion device 4 is used for absorbing therapeutic light reflected by the cholesteric liquid crystal unit 20 and converting the therapeutic light into electric energy to be stored in the electric storage device.
Optionally, the electricity storage device is electrically connected with the illuminant 1 and is used for supplying power to the illuminant 1.
Alternatively, the power storage device comprises a charging seat and a rechargeable battery detachably mounted on the charging seat, and the rechargeable battery can be removed from the charging seat and used for supplying power to other devices.
Example 8
The present embodiment provides a wearable phototherapy apparatus, which is the same as embodiment 7, and is not described in detail, and is different in that: the light-emitting body 1 and the photoelectric conversion device 4 are in an integrated structure, that is, the photoelectric conversion device 4 and the light-emitting body 1 share the substrate layer 101.
Example 9
The present embodiment provides a wearable phototherapy apparatus, in this embodiment, on the basis of embodiment 7, two ends of the connecting piece 3 are detachably connected with two ends of the light emitting body 1, and the light emitting body 1 may be both forward-mounted and reverse-mounted, that is, a light emitting side of the light emitting body 1 may be mounted toward an interior of the first annular structure and may be mounted toward an exterior of the first annular structure; the photoelectric conversion device 4 is detachably connected to the connector 3.
When the light emitting side of the light emitting body 1 faces the inner part of the first annular structure, the second annular structure formed by the photoelectric conversion device 4 is sleeved outside the first annular structure; the length of the connecting piece 3 may be expanded and contracted, when the light emitting side of the light emitting body 1 is installed towards the outside of the first annular structure, the photoelectric conversion device 4 may be installed on the connecting piece 3 in parallel with the light emitting body 1, as shown in fig. 12, that is, in the case that photoelectric conversion cannot be performed, the light emitting body 1 and the photoelectric conversion device 4 form a double annular decorative effect.
Example 10
The present embodiment provides a wearable phototherapy apparatus, in this embodiment, on the basis of embodiment 7, the inner diameters of the first annular structure and the second annular structure are both adjustable, and specifically, the adjustment mode may refer to the length adjustment assembly mentioned in embodiment 6, that is, the light emitter 1 and the photoelectric conversion device 4 are respectively connected with the connecting piece 3 through corresponding length adjustment assemblies, so as to adjust the inner diameter of the annular structure enclosed by the wearable phototherapy apparatus, thereby meeting the use requirements of different users.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present invention; such modifications, variations and combinations, or the direct application of the concepts and aspects of the invention in other applications without modification, are intended to be within the scope of this application.
Claims (8)
1. A light emitting device, comprising:
a light emitter (1), the light emitter (1) comprising a light emitting unit (10) for emitting therapeutic light and at least one set of cholesteric liquid crystal cells (20) arranged at the light emitting side of the light emitting unit (10); each group of the cholesteric liquid crystal units (20) comprises two cholesteric liquid crystal molecule layers (201) and a conductive layer (202) arranged between the two cholesteric liquid crystal molecule layers (201);
a first control unit, connected to the conductive layer (202), for adjusting the operating voltage of the conductive layer (202) so that the cholesteric liquid crystal cell (20) reflects part of the therapeutic light and transmits another part of the therapeutic light;
the light emitting unit (10) comprises a substrate layer (101) and a functional layer arranged on the substrate layer (101); the functional layer comprises a light emitting layer; the light-emitting layer comprises a plurality of independently controlled light-emitting areas; forming a light-emitting gap penetrating through the functional layer between adjacent light-emitting areas;
part of the therapeutic light reflected by the cholesteric liquid crystal unit (20) can be emitted out through the light-emitting gap; the first control unit is configured to adjust the operating voltage of the conductive layer (202) according to a set rule so that the cholesteric liquid crystal unit (20) emits therapeutic light of different colors; the fraction of therapeutic light transmitted by the cholesteric liquid crystal cell (20) is used to meet the different phototherapy needs of the user.
2. A light emitting device according to claim 1, characterized in that the cholesteric liquid crystal cell (20) comprises several cholesteric liquid crystal regions; a gap is formed between adjacent cholesteric liquid crystal regions; each of the cholesteric liquid crystal regions is independently controlled.
3. The light-emitting device according to claim 1, wherein the light-emitting gap has any one of a cylindrical shape, a horn shape, and a square frame shape.
4. A wearable phototherapy apparatus, comprising: a light emitting device according to any one of claims 1 to 3 and a connector (3) connected to the light emitting device; two ends of the luminous body (1) are respectively connected with the connecting piece (3) and form a first annular structure; the first control unit is arranged in the connecting piece (3).
5. The wearable phototherapy apparatus of claim 4, characterized in that two ends of the connecting piece (3) are respectively provided with a clamping groove (301); the luminous body (1) is of a flexible sheet structure, and two ends of the luminous body are detachably connected with the corresponding clamping grooves (301) respectively, so that the light emitting side of the luminous body (1) can be installed towards the inner part of the first annular structure and the outer part of the first annular structure.
6. The wearable phototherapy apparatus of claim 5, wherein one of the clamping grooves (301) of the connector (3) is provided with an electrical contact (302) electrically connected with the first control unit, and one end of the illuminant (1) is provided with a plug-in portion (303) matched with the clamping groove (301); the plug-in part (303) is provided with an electric connection protrusion (304) which can be electrically connected with the electric contact (302).
7. The wearable phototherapy apparatus of claim 4, characterized in that the connector (3) has a hollow cavity; a circuit board (305) is arranged on one side in the hollow cavity, and a length adjusting component is arranged on the other side; the first control unit is mounted on the circuit board (305); the length adjusting assembly comprises a rotating shaft (306) arranged in the connecting piece (3) and an FPC (307) wound on the rotating shaft (306); one end of the rotating shaft (306) extends out of the connecting piece (3) and is connected with a knob (308); one end of the FPC (307) is electrically connected with the circuit board (305) and fixedly connected with the rotating shaft (306), and the other end of the FPC is detachably connected with the luminous body (1).
8. The wearable phototherapy apparatus according to any of claims 5-7, further comprising a photoelectric conversion device (4) electrically connected to the light emitting device, and an electrical storage device electrically connected to the photoelectric conversion device (4); the electricity storage device is arranged in the connecting piece (3); two ends of the photoelectric conversion device (4) are respectively connected with the connecting piece (3) and form a second annular structure; the photoelectric conversion device (4) is used for absorbing therapeutic light reflected by the cholesteric liquid crystal unit (20) and converting the therapeutic light into electric energy to be stored in the electric storage device.
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| CN202111320597.4A CN114028726B (en) | 2021-11-09 | 2021-11-09 | Light-emitting device and wearable phototherapy instrument |
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