CN213789645U

CN213789645U - LED beauty instrument light source

Info

Publication number: CN213789645U
Application number: CN202022389536.0U
Authority: CN
Inventors: 史晓庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-25
Filing date: 2020-10-25
Publication date: 2021-07-27
Anticipated expiration: 2030-10-25

Abstract

An LED beauty instrument light source comprising: the surface light source conversion part comprises one or more LED light source groups; the light sources in the LED light source group are arranged in a straight line or a curve, the LED light source group is positioned on the side or below the surface light source conversion component, and the surface light source conversion component realizes the conversion from the line light source of the LED light source group to the surface light source. The wavelength of the LED is between 400 nm and 1500 nm. The surface light source conversion member is a light guide plate or a diffusion plate of any shape, an optical reflection film is placed below the light guide plate or the diffusion plate, and an optical diffusion film, a prism film and a protective glass are placed above the light guide plate or the diffusion plate. The utility model discloses can realize LED beauty instrument light source light beam to facial even irradiation through light source diffusion spare and blooming, promote the treatment of LED beauty instrument.

Description

LED beauty instrument light source

Technical Field

The utility model belongs to the technical field of optics, in particular to LED photon beauty instrument light source of evenly shining.

Background

The LED beauty instrument irradiates the face through LEDs with different wavelengths to realize beauty. The LED light with different wavelengths has different effects, for example, the blue light with 415nm wave band can kill propionibacterium causing acne, the red light wave band with about 633nm can improve the activity of cells, promote the metabolism of the cells, and enable the skin to secrete a large amount of collagen. The LED light sources adopted by the existing LED beauty instrument are arranged in a surface array mode, and because the light intensity of a single LED light source perpendicular to the normal direction is strongest, and the light intensity of two sides is gradually weakened, the light source emitted by the surface array LED has the condition of uneven light intensity distribution, so that the light intensity irradiated by each part of the face is different, and the curative effect is influenced.

Disclosure of Invention

The embodiment of the invention provides an LED beauty instrument light source which is used for solving the problem that the existing LED beauty instrument emits light beams to unevenly irradiate the face.

The utility model discloses an one of the embodiment, a LED beauty instrument light source, this structure includes:

a surface light source conversion member; one or more LED light sources; the LED light source group is positioned on the side or below the surface light source conversion component, and the conversion of the LED light source group from a line light source to a surface light source is realized through the surface light source conversion component.

Preferably, the surface light source conversion member is a light guide plate or a diffusion plate.

Preferably, the light guide plate or the diffusion plate has an arbitrary shape.

Preferably, an optical reflection film is disposed below the light guide plate or the diffusion plate, and an optical diffusion film, a prism film, and a cover glass are disposed above the light guide plate or the diffusion plate.

Preferably, the light guide plate is provided with an optical reflection film at the side without the LED light source group.

Preferably, the LEDs are disposed on a linear or curved PCB.

Preferably, the wavelength of the LED is between 400 and 1500 nm.

The embodiment of the utility model provides an in convert LED line source into the area source through area source conversion part, can realize that LED beauty instrument evenly shines facial, avoid light to shine inequality and arouse facial different position treatment effect different.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:

fig. 1 is a schematic view of a light source structure of an LED beauty instrument according to one embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an LED light source according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an LED light source according to an embodiment of the present invention.

Fig. 4 is a schematic view of a light source structure of an LED beauty instrument according to one embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an LED light source according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an LED light source according to an embodiment of the present invention.

Fig. 7 is a schematic view of a light source structure of an LED beauty instrument according to one embodiment of the present invention.

Fig. 8 is a schematic view of a light source structure of an LED beauty instrument according to one embodiment of the present invention.

Fig. 9 is a schematic structural diagram of an LED light source according to an embodiment of the present invention.

Fig. 10 is a schematic view of a light source structure of an LED beauty instrument according to an embodiment of the present invention.

Detailed Description

According to one or more embodiments, as shown in fig. 1, a light source structure diagram of an LED beauty instrument. The structure includes: an LED light source group 1; a surface light source conversion member 2; the LED light source group 1 is arranged on the side of the surface light source conversion component 2, and the conversion of the LED light source group 1 from a line light source to a surface light source is realized through the surface light source conversion component 2. The surface light source conversion member 2 is a light guide plate and has a rectangular shape. An optical reflection film 3 is arranged below the surface light source conversion part 2, and

optical diffusion films

7 and 8, a prism film 9 and a protective glass 10 are arranged above the surface light source conversion part 2, wherein the reflection film 3 is used for reflecting light rays so that all the light rays are emitted from one surface of the surface light source conversion part 2; the

optical diffusion films

7 and 8 are used for homogenizing emergent rays, so that the emergent rays of the surface light source are more uniform; the prism film 9 functions to concentrate light so that the light exits at a small angle, increasing the light energy density. The surface light source conversion part 2 is provided with

optical reflection films

4, 5 and 6 at the side without the LED light source group 1, and the optical reflection films reflect light back to the light guide plate to prevent the light from emitting from the side surface and improve the light utilization efficiency. As shown in fig. 2, the LED light source group 1 is a structure of an LED light source group 1, where the LEDs 1.1 and 1.2 are disposed on a linear PCB 1.3, where the LEDs 1.1 and 1.2 are LEDs with two different wavelengths, and are arranged on the PCB 1.3 at intervals, the LED1.1 is a blue LED with a central wavelength of 415nm, and the LED1.2 is a red LED with a central wavelength of 660 nm.

As shown in fig. 3, the LED light source group 1 is another structure of the LED light source group 1, and unlike the LED having two wavelengths in fig. 2, the LED1.4 is disposed on the linear PCB 1.3, and the LED1.4 is a blue LED having a central wavelength of 415 nm.

According to one or more embodiments, as shown in fig. 3, a light source structure diagram of an LED beauty instrument. The structure includes: an LED light source group 11; a surface light source conversion member 2; the LED

light source groups

11 and 12 are arranged at the side of the surface light source conversion part 2, and the conversion of the LED

light source groups

11 and 12 from a line light source to a surface light source is realized through the surface light source conversion part 2. The surface light source conversion member 2 is a light guide plate and has a rectangular shape. An optical reflection film 3 is arranged below the surface light source conversion part 2, and

optical diffusion films

7 and 8 are used for homogenizing emergent rays, so that the emergent rays of the surface light source are more uniform; the prism film 9 functions to concentrate light so that the light exits at a small angle, increasing the light energy density. The surface light source converting part 2 has optical reflecting

films

4 and 5 placed on the sides without the LED

light source groups

11 and 12, and they function to reflect light back into the light guide plate, preventing the light from exiting from the side, and improving the light utilization efficiency. As shown in fig. 5 and 6, the LED11.1 is disposed on the linear PCB 11.2, and the LED12.1 is disposed on the linear PCB 12.2, wherein the LED11.1 is a blue LED with a central wavelength of 450nm, and the LED12.1 is a red LED with a central wavelength of 630 nm.

According to one or more embodiments, as shown in fig. 7, a light source structure diagram of an LED beauty instrument. The structure includes: an LED light source group 1; a surface light source conversion member 13; the LED light source group 1 is arranged at the side of the surface light source conversion part 13, and the conversion of the LED light source group 1 from a line light source to a surface light source is realized through the surface light source conversion part 13. The surface light source converting member 13 is a light guide plate, three sides of which are straight lines and one side of which is an arc line. An optical reflection film 14 is placed below the surface light source conversion member 13, and optical diffusion films 18 and 19, a prism film 20 and a protective glass 21 are placed above the surface light source conversion member, wherein the reflection film 14 functions to reflect light rays so that all the light rays are emitted from one surface of the surface light source conversion member 13; the optical diffusion films 18 and 19 are used for homogenizing emergent rays, so that the emergent rays of the surface light source are more uniform; the prism film 20 functions to concentrate light so that the light exits at a small angle, increasing the light energy density. The surface light source conversion part 13 is provided with

optical reflection films

15, 16 and 17 at the side without the LED light source group 1, and the optical reflection films reflect light back to the light guide plate to prevent the light from exiting from the side surface, thereby improving the light utilization efficiency.

According to one or more embodiments, as shown in fig. 8, a light source structure diagram of an LED beauty instrument. The structure includes: a group of LED light sources 22; a surface light source conversion member 23; the LED light source group 22 is arranged on the side of the surface light source conversion part 23, and the conversion of the LED light source group 22 from a line light source to a surface light source is realized through the surface light source conversion part 23. The surface light source conversion member 23 is a light guide plate and has a curved surface. An optical reflection film 24 is placed below the surface light source conversion member 23, and optical diffusion films 28 and 29, a prism film 30 and a protective glass 31 are placed above the surface light source conversion member, wherein the reflection film 24 functions to reflect light rays so that all the light rays are emitted from one surface of the surface light source conversion member 23; the optical diffusion films 28 and 29 are used for homogenizing emergent light rays, so that the emergent light rays of the surface light source are more uniform; the prism film 30 functions to concentrate light so that the light exits at a small angle, increasing the light energy density. The surface light source converting member 23 has optical reflecting

films

25, 26 and 27 disposed on the side where the LED light source group 22 is not disposed, and they function to reflect light back into the light guide plate, preventing light from exiting from the side, and improving the light utilization efficiency. As shown in fig. 9, the LED22.1 is disposed on the curved PCB 22.2, and the LED22.1 is a blue LED with a central wavelength of 415 nm.

According to one or more embodiments, as shown in fig. 10, a light source structure diagram of an LED beauty instrument. The structure includes: the LED light source group 33; a surface light source conversion member 32; the LED light source group 1 is arranged at the side of the surface light source conversion part 32, and the conversion of the LED light source group 33 from a line light source to a surface light source is realized through the surface light source conversion part 32. Wherein the LED light source group 33 comprises 5 LED line light sources 1. The surface light source conversion member 32 is a diffusion plate and has a rectangular shape. An optical reflection film 3 is arranged below the surface light source conversion part 32, and

optical diffusion films

7 and 8, a prism film 9 and a protective glass 10 are arranged above the surface light source conversion part, wherein the reflection film 3 is used for reflecting light rays so that all the light rays are emitted from one surface of the surface light source conversion part 2; the

optical diffusion films

7 and 8 are used for homogenizing emergent rays, so that the emergent rays of the surface light source are more uniform; the prism film 9 functions to concentrate light so that the light exits at a small angle, increasing the light energy density.

It is worth noting that while the foregoing has described the spirit and principles of the present invention with reference to several specific embodiments, it is to be understood that the present invention is not limited to the disclosed embodiments, nor is the division of aspects, which is for convenience only as the features in these aspects cannot be combined. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. The utility model provides a LED beauty instrument light source which characterized in that includes:

a surface light source conversion member;

one or more LED light sources;

the LED light source group is positioned on the side or below the surface light source conversion component, and the conversion of the LED light source group from a line light source to a surface light source is realized through the surface light source conversion component.

2. The LED beauty instrument light source of claim 1, wherein said surface light source conversion member is a light guide plate or a diffusion plate.

3. The LED beauty instrument light source of claim 2, wherein said light guide plate or diffuser plate is of any shape.

4. The LED beauty instrument light source of claim 2, wherein an optical reflection film is placed below the light guide plate or the diffusion plate, and an optical diffusion film, a prism film, and a cover glass are placed above.

5. The LED beauty instrument light source of claim 2, wherein the light guide plate has an optical reflective film placed on the side where there is no LED light source group.

6. The LED cosmetic instrument light source of claim 1, wherein the LEDs are disposed on a linear or curved PCB board.

7. The LED beauty instrument light source of claim 1, wherein the wavelength of the LED is between 400 and 1500 nm.