TWM630768U - Lighting device with phototherapy effect - Google Patents

Abstract

The present invention discloses a lighting device with phototherapy effect, which includes a light-emitting structure and a wavelength conversion member. The light-emitting structure is used for emitting an initial light beam, and the wavelength converting member is disposed in the light-emitting direction of the light-emitting structure for converting the initial light beam into an illumination light beam. The illumination light beam has a conversion spectrum, and has a first peak wavelength of 468 nm, a second peak wavelength of 525 nm, a third peak wavelength of 590 nm, and a fourth peak wavelength of 639 nm in the converted spectrum. Therefore, a variety of phototherapy effects can be produced in a general lighting environment.

Description

Lighting device with phototherapy effect

The present invention relates to a lighting device, in particular to a lighting device with phototherapy effect.

As the average life expectancy of human beings increases, people pay more and more attention to health care and appearance to slow down aging. However, in daily life, people are often in outdoor spaces full of ultraviolet light or indoor spaces illuminated by fluorescent lamps; outdoor ultraviolet light can easily cause cell damage, melanin formation and precipitation, etc.; while indoor fluorescent lamps often use energy-saving LED lamps , which usually contains blue light wavelengths with a light wavelength peak ranging from 445 nm to 463 nm. Blue light in this band is easy to cause blue light damage to human cells or retina, and it is easy to cause skin aging. Therefore, people will improve skin condition and delay skin aging through medical beauty technology.

The current medical beauty methods include direct introduction of drugs or skin care products into the skin in the form of smearing and massage, or the use of phototherapy technology. Among them, phototherapy technology directly irradiates the skin with light energy of different wavelength bands, and the light energy is converted into thermal energy or chemical energy in the skin, which further stimulates cell activation or stimulates the proliferation of cell connective tissue (for example: collagen), and then Rejuvenates the skin. In addition, it can also achieve the effects of calming the skin, inhibiting acne bacteria, inhibiting oil production and exfoliating through specific wavelengths of irradiation. However, the current phototherapy technology is limited to irradiation in medical and aesthetic clinics. After the course of treatment, it will return to the general environment. The current phototherapy method is irradiated with different color lights, and there is no color temperature suitable for lighting in the daily environment.

Therefore, how to overcome the above-mentioned defects through the improvement of the structural design, so that the lighting device can be suitable for general environmental lighting at the same time, and can achieve the effect of improving skin health, has become one of the important issues to be solved by this business. .

The technical problem to be solved by this creation is to provide a lighting device with phototherapy effect, which is suitable for general environment lighting, and can improve skin health (for example: promote skin blood circulation, stimulate fibroblasts and collagen) Protein hyperplasia, accelerate melanin metabolism, increase oxygen and nutrient transport, anti-aging, improve fine lines, lighten dark circles and dark spots, eliminate dark spots, etc.) phototherapy effect.

In order to solve the above-mentioned technical problems, one of the technical solutions adopted in the present invention is to provide a lighting device with a phototherapy effect, which includes a light-emitting structure and a wavelength conversion member. The light-emitting structure is used for emitting an initial light beam; the wavelength conversion member is disposed in a light-emitting direction of the light-emitting structure, and is used for converting the initial light beam into an illumination light beam. The illumination light beam has a conversion spectrum, and has a first peak wavelength of 468 nm, a second peak wavelength of 525 nm, a third peak wavelength of 590 nm, and a fourth peak wavelength of 639 nm in the converted spectrum.

In an embodiment of the present invention, the lighting device with phototherapy effect further includes a device body, the device body has an accommodating space, and the light-emitting structure and the wavelength conversion member are arranged in the accommodating space in space.

In an embodiment of the present invention, the device body includes two first holding parts and two second holding parts, and the two first holding parts are disposed opposite to each other to hold the light-emitting structure in the container In the accommodating space, the two second holding portions are disposed opposite to each other to hold the wavelength conversion member in the accommodating space, and are located in the light-emitting direction of the light-emitting structure.

In an embodiment of the present invention, each of the two first holding portions has a first card slot, the light emitting structure includes a substrate and at least one blue light emitting element disposed on the substrate, and the substrate The two opposite edges of the two are respectively clamped in the two first card slots. Each of the two second holding parts has a second clamping slot, and two opposite edges of the wavelength conversion member are respectively clamped in the two second clamping slots.

In an embodiment of the present invention, the emission wavelength of at least one of the blue light-emitting elements is 468 nm.

In an embodiment of the present invention, the wavelength conversion member has a coverage area, and the light emitting structure is located in the coverage area.

In an embodiment of the present invention, the wavelength conversion member has an outer convex curved surface away from the light emitting structure and an inner concave curved surface close to the light emitting structure.

In an embodiment of the present invention, the lighting device with phototherapy effect further includes a power module, and the power module is disposed on one side of the light-emitting structure. The light-emitting structure includes a substrate and at least one blue light-emitting element disposed on the substrate, and the substrate is electrically connected to the power module.

In an embodiment of the present invention, the device body includes an outer structure, and the outer structure includes a cover, a first outer cover, and a second outer cover, and the cover encloses the accommodating body The space has a first open end and a second open end opposite, the first outer cover is combined with the first open end, and the second outer cover is combined with the second open end. The power module is located near the first open end and is covered by the first outer cover.

In an embodiment of the present invention, the wavelength conversion member includes red quantum dots, green quantum dots, and yellow phosphors.

In an embodiment of the present invention, the lighting device with phototherapy effect has a color temperature of 3000K to 6000K.

One of the beneficial effects of the present invention is that the lighting device with phototherapy effect provided by the present invention can convert the initial light beam through "the wavelength conversion member is disposed in a light emitting direction of the light-emitting structure. into an illumination beam” and “the illumination beam has a conversion spectrum having a first peak wavelength of 468 nm, a second peak wavelength of 525 nm, a third peak wavelength of 590 nm, and a fourth peak wavelength of 639 nm. nm” technical features to provide lighting color temperature that can be used in general environments, and at the same time have phototherapy effects such as improving skin conditions and improving human health through the irradiation of lighting beams.

In order to further understand the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation, however, the provided drawings are only for reference and description, and are not intended to limit this creation.

The following are specific specific embodiments to illustrate the implementation of the "illumination device with phototherapy effect" disclosed in the present creation, and those skilled in the art can understand the advantages and effects of the present creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of this creation. In addition, the drawings in this creation are only for simple schematic illustration, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present creation in detail, but the disclosed contents are not intended to limit the protection scope of the present creation. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items, as the case may be.

[Example]

Referring to FIGS. 1 to 5 , one embodiment of the present invention provides a lighting device Z with phototherapy effect, which mainly includes a light-emitting structure 1 and a wavelength conversion member 2 . In use, the light-emitting structure 1 is used to emit an initial beam; the wavelength conversion member 2 is disposed in a light-emitting direction of the light-emitting structure 1 to convert the initial beam into an illumination beam. It is worth mentioning that the illumination light beam has a conversion spectrum, and in the conversion spectrum, it has a first peak wavelength of 468 nm, a second peak wavelength of 525 nm, a third peak wavelength of 590 nm, and a fourth peak wavelength. The wavelength is 639 nm. Therefore, in a general lighting environment, there can be a variety of different phototherapy effects.

Herein, the light emitting direction refers to the direction in which the initial light beam emitted from the light emitting surface of the light emitting structure travels to the external environment. When the wavelength conversion member is disposed in the light-emitting direction of the light emitting structure 1 , the wavelength conversion member has a covering area, and the light emitting structure is located in the covering area. In actual use, the wavelength conversion member is separated from the light emitting structure by a distance, and the wavelength conversion member can receive the initial light traveling along the light exit direction and convert it into the illumination beam.

Referring to FIGS. 1 to 5 , in this embodiment, the lighting device Z with phototherapy effect may further include a device body 3 , and the light-emitting structure 1 and the wavelength conversion member 2 are integrated in the device body 3, and is not easily affected by external environmental factors such as water and dust. Specifically, the device body 3 has an accommodating space 31 , and the light-emitting structure 1 and the wavelength conversion member 2 are disposed in the accommodating space 31 . In order to combine the light emitting structure 1 , the wavelength conversion member 2 and the device body 3 into one body, the device body 3 may include two first holding parts 32 and two second holding parts 33 , two of which are The first holding parts 32 are oppositely arranged to hold the light emitting structure 1 in the accommodating space 31 , and the two second holding parts 33 are oppositely arranged to hold the wavelength conversion member 2 in the accommodating space 31 . The accommodating space 31 is located in the light-emitting direction of the light-emitting structure 1 . However, the above descriptions are only possible implementations and are not intended to limit the present invention.

FIG. 4 is a schematic cross-sectional view taken along the line IV-IV in FIG. 1 . As shown in FIG. 3 , each of the two first holding portions 32 has a first slot 321 , and the light emitting structure 1 may include a substrate 11 and at least one blue light emitting element 12 disposed on the substrate 11 , and two opposite edges of the substrate 11 are respectively clamped in the two first card slots 321 . In addition, each of the two second holding portions 33 has a second slot 331 , and two opposite edges of the wavelength conversion member 2 are clipped into the two second slots 331 respectively. In this embodiment, the emission wavelength of at least one of the blue light-emitting elements 12 is 468 nm, and the illuminating light beam contains an initial light beam that has not been converted by the wavelength conversion member 2, and has a wavelength of 468 nm in the conversion spectrum. The peak wavelength of 468 nm (ie the first peak wavelength).

In practical application, the light emitting structure 1 can be a light board (light emitting diode panel), wherein the substrate 11 can be a control circuit board (PCB), and the blue light emitting element 12 can be a blue light emitting diode Bulk wafer (light emission wavelength is 468 nm) or its package structure. However, the present creation is not limited to the above-mentioned examples. Although a plurality of blue light emitting elements 12 are shown in FIG. 2 and FIG. 5 arranged at intervals along the length direction of the substrate 11 , in fact, the number and arrangement of the blue light emitting elements 12 can be changed according to actual needs, and there is no special arrangement for this in this creation. limits.

In this embodiment, referring to FIG. 3 and FIG. 4 , in order to make the lighting effect more concentrated, the wavelength conversion member 2 has a convex curved surface S1 away from the light emitting structure 1 and a convex surface S1 close to the light emitting structure 1 . Concave surface S2. In actual use, the wavelength conversion member 2 can receive the initial light beam emitted by the light emitting structure 1 through the concave curved surface S2, and the initial light beam is converted into the wavelength conversion member 2 in the wavelength conversion member 2. After the illuminating light beam, it further diverges outward through the convex curved surface S1, so as to achieve the effect of both uniform illumination and phototherapy. However, the above-mentioned example is only one possible embodiment and is not intended to limit the present invention.

In this embodiment, referring to FIG. 4 to FIG. 5 , the lighting device Z with phototherapy effect may further include a power module 4 , and the power module 4 is arranged on one side of the light-emitting structure 1 , And the substrate 11 of the light emitting structure 1 is electrically connected to the power module 4 for lighting the blue light emitting element 12 . The power module 4 may include a power switch, a power unit and an electrical contact unit, but the present invention is not limited thereto. In actual use, when the electrical contact unit can be connected to an external power connection, the power unit can operate normally, and cooperate with the substrate of the light emitting structure to allow the light emitting structure 1 (or the blue light emitting element). 12) The initial beam can be emitted; the power switch is convenient for the user to directly turn on or off the lighting device with phototherapy effect.

Further, referring to FIGS. 2 to 5 , the device body 3 may include an outer structure 34 , and the outer structure 34 includes a cover body 341 , a first outer cover 342 and a second outer cover 343 , The cover body 341 encloses the accommodating space 31 and has a first opening end A1 and a second opening end A2 opposite, wherein the accommodating space 31 communicates with the first opening end A1 and the opening end A2. between the second open ends A2. The first outer cover 342 is combined with the first open end A1, and closes the first open end A1; the second outer cover 343 is combined with the second open end A2, and closes the first open end A1. The two open ends A2 are closed. The power module 4 may be located near the first open end A1 and covered by the first outer cover 342 . In actual use, the electrical contact unit of the power module 4 can be exposed to the outside through the first outer cover 342 .

In some other embodiments, the cover body 341 may be in the shape of a circular tube to surround the accommodating space 31 , so that the light emitting structure 1 and the wavelength conversion member 2 are disposed in the accommodating space 31 . In some other embodiments, the cover body 341 may be in the shape of a circular arc, which surrounds the two first holding portions 32 and the two second holding portions 33 to form the accommodating space 31 . , so that the light emitting structure 1 and the wavelength conversion member 2 are arranged in the accommodating space 31 . However, the above-mentioned example is only one possible embodiment and is not intended to limit the present invention.

For example, the wavelength conversion member 2 is a light-transmitting material, which may include wavelength conversion particles such as red quantum dots, green quantum dots, and yellow phosphors; in detail, the wavelength conversion member 2 includes 0.1 wt % to 1 wt % red quantum dots, 1 wt % to 15 wt % green quantum dots, and 10 wt % to 25 wt % yellow phosphors pass through specific ratios to convert the initial beam into a Lighting beams with four peak wavelengths of different phototherapy effects, and the light is mixed to a color temperature suitable for general lighting, the color temperature range can be adjusted in the range of 3000K to 6500K (preferably 3000K to 6000K), which is used in daily lighting. of warm light (3000K), neutral light or warm white light (4000K), and white light (6000K). That is to say, the initial light beam emitted by the light emitting structure 1 passes through the wavelength conversion member 2 to convert the initial light beam into the illuminating light beam having a general illuminating color temperature and a phototherapy effect.

Referring to FIG. 6, the illumination beam has the conversion spectrum, which has at least four specific peak wavelengths, the first peak wavelength is 468 nm, the second peak wavelength is 525 nm, the third peak wavelength is 590 nm and The fourth peak wavelength is 639 nm. Generally speaking, existing LED lighting devices usually include blue light LEDs, the main peak range of which is between 445 nm and 460 nm. Blue light in this band is likely to cause blue light harm to human cells or retina. The wavelength conversion member of the phototherapy effect lighting device can convert the initial light beam to have a specific peak wavelength beneficial to the skin.

In detail, the first peak wavelength is 468 nm, and its wavelength bandwidth range can be ±5 nm. Taking the wavelength of 468 nm as an example, the first peak wavelength is the blue light wavelength, which has the effect of inhibiting inflammation and achieving sterilization, and can improve the skin. Metabolic function, relieve hair follicle inflammation and inhibit hair follicle oil production. The second peak wavelength is 525 nm, its wavelength bandwidth range can be ±10 nm, and the second peak wavelength is green light wavelength, which has a soothing and calming effect, which can effectively relieve fatigue and reduce skin relaxation caused by fatigue. It can reduce the production of melanin and improve dull skin. The third peak wavelength is 590 nm, its wavelength bandwidth can be ±10 nm, and the second peak wavelength is yellow light wavelength, which can promote cell metabolism, enhance wound healing, promote melanin metabolism, and enhance skin’s absorption of skin care products force. The fourth peak wavelength is 639 nm, its wavelength bandwidth can be ±10 nm, and the fourth peak wavelength is red light wavelength, which can promote blood circulation and cell metabolism, stimulate fibroblasts and collagen production, so as to achieve anti-aging, improve The role of fine lines, make the skin delicate and elastic.

[Advantageous effects of the embodiment]

One of the beneficial effects of the present invention is that the lighting device with phototherapy effect provided by the present invention can convert the initial light beam through "the wavelength conversion member is disposed in a light emitting direction of the light-emitting structure. into an illumination beam” and “the illumination beam has a conversion spectrum having a first peak wavelength of 468 nm, a second peak wavelength of 525 nm, a third peak wavelength of 590 nm, and a fourth peak wavelength of 639 nm. nm” technical solution to provide a lighting color temperature that can be used in general environments, and at the same time, it has phototherapy effects such as improving skin conditions and improving human health through the irradiation of lighting beams.

The contents disclosed above are only the preferred and feasible embodiments of this creation, and are not intended to limit the scope of the patent application of this creation. Therefore, any equivalent technical changes made by using the descriptions and drawings of this creation are included in the application for this creation. within the scope of the patent.

Z: Lighting device with phototherapy effect 1: Light-emitting structure 11: Substrate 12: Blue light emitting element 2: wavelength conversion member S1: convex surface S2: Concave Surface 3: Device body 31: Accommodating space A1: First open end A2: Second open end 32: The first holding part 321: The first card slot 33: The second holding part 331: The second card slot 34: External structure 341: cover body 342: The first outer cover 343: Second cover 4: Power Module Ⅳ-Ⅳ: Hatch line

FIG. 1 is a schematic diagram of the appearance of a lighting device with a phototherapy effect according to an embodiment of the invention.

FIG. 2 is an exploded schematic diagram of a lighting device with phototherapy effect according to an embodiment of the invention.

FIG. 3 is a partial three-dimensional schematic diagram of a lighting device with phototherapy effect according to an embodiment of the invention.

FIG. 4 is a schematic cross-sectional view taken along the line IV-IV in FIG. 1 .

FIG. 5 is a schematic perspective view of a lighting device with a phototherapy effect according to an embodiment of the invention.

FIG. 6 is a converted spectrum of an illumination light beam according to an embodiment of the present invention.

Z: Lighting device with phototherapy effect

1: Light-emitting structure

11: Substrate

12: Blue light emitting element

2: wavelength conversion member

S1: convex surface

S2: Concave Surface

3: Device body

31: Accommodating space

32: The first holding part

321: The first card slot

33: The second holding part

331: The second card slot

34: External structure

341: cover body

Claims (12)

A lighting device with phototherapy effect, comprising: a light-emitting structure for emitting an initial light beam; and a wavelength conversion member, disposed in a light-emitting direction of the light-emitting structure, for converting the initial light beam into an illuminating light beam, wherein the illuminating light beam has a converted spectrum, and the converted spectrum has a first peak wavelength of 468 nm, the second peak wavelength is 525 nm, the third peak wavelength is 590 nm, and the fourth peak wavelength is 639 nm. The lighting device with phototherapy effect according to claim 1, further comprising a device body, the device body has an accommodating space, and the light-emitting structure and the wavelength conversion member are arranged in the accommodating space. The lighting device with phototherapy effect according to claim 2, wherein the device body comprises two first holding parts and two second holding parts, and the two first holding parts are disposed opposite to each other so that the The light-emitting structure is held in the accommodating space, and the two second holding parts are arranged opposite to each other to hold the wavelength conversion member in the accommodating space, and are located in the light-emitting direction of the light-emitting structure . The lighting device with phototherapy effect according to claim 3, wherein each of the two first holding parts has a first card slot, and the light-emitting structure includes a substrate and at least one blue light set on the substrate. a light-emitting element, and the two opposite edges of the substrate are respectively clamped in the two first clamping slots; wherein, the two second holding parts each have a second clamping slot, and the wavelength conversion member has a second clamping slot. The two opposite edges are respectively clamped in the two second clamping slots. The lighting device with phototherapy effect according to claim 4, wherein the light-emitting wavelength of at least one of the blue light-emitting elements is 468 nm. The lighting device with phototherapy effect according to claim 3, wherein the wavelength conversion member has a coverage area, and the light emitting structure is located in the coverage area. The lighting device with phototherapy effect according to claim 6, wherein the wavelength conversion member has an outer convex curved surface away from the light emitting structure and an inner concave curved surface close to the light emitting structure. The lighting device with phototherapy effect according to claim 2, further comprising a power module, the power module is disposed on one side of the light-emitting structure; wherein the light-emitting structure comprises a substrate and at least one The blue light emitting element on the substrate, and the substrate is electrically connected with the power module. The lighting device with phototherapy effect according to claim 8, wherein the emission wavelength of at least one of the blue light emitting elements is 468 nm. The lighting device with phototherapy effect according to claim 8, wherein the device body comprises an external structure, the external structure comprises a cover body, a first outer cover and a second outer cover, the cover body The accommodating space is enclosed and has a first open end and a second open end opposite, the first outer cover is combined with the first open end, and the second outer cover is combined with the The second open end; wherein, the power module is located near the first open end and is covered by the first outer cover. The lighting device with phototherapy effect according to claim 1, wherein the wavelength conversion member comprises red quantum dots, green quantum dots and yellow phosphors. The lighting device with phototherapy effect according to claim 1, wherein the lighting device with phototherapy effect has a color temperature of 3000K to 6000K.

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