CN220488988U - Lens structure and MINI LED backlight module - Google Patents

Abstract

The utility model discloses a lens structure and a MINI LED backlight module, wherein the lens structure comprises a lens body, an installation part, a diffusion part and a light emitting part, and the lens body comprises a light incident surface and a light emitting surface which are oppositely arranged; the mounting part is arranged on the light incident surface side, is suitable for mounting the LED lamp beads and is also suitable for refracting the first incident light rays emitted by the LED lamp beads into second incident light rays; the diffusion part is arranged on the light-emitting surface side and is suitable for refracting the second incident light into diffusion light so as to diffuse the diffusion light to the outside; the light emitting part is arranged on the light emitting surface side and is suitable for refracting the second incident light into emergent light so as to emit the emergent light to the outside. The lens structure of the structure can avoid the occurrence of dark shadows between two adjacent LED lamp beads when the number of the LED lamp beads is small and the distance is large, thereby being beneficial to improving the display effect of the display.

Description

Lens structure and MINI LED backlight module

Technical Field

The utility model relates to the technical field of displays, in particular to a lens structure and a MINI LED backlight module.

Background

Along with the continuous progress of science and technology, the variety of electronic products is also increasing, wherein the display is very popular with people, and is basically one of the electronic products necessary for the household, so that the requirements and standards for the display are also increasing.

In the prior art, the ultrathin high-end liquid crystal display with high color gamut is in a ratio of 16:9, the length of the display is much larger than the width, and a MINI LED backlight module scheme is adopted in most cases, the MINI LED backlight module is used for directly mounting LED lamp beads or LED luminous chips on a substrate, in order to ensure the uniform display effect of the display, a vaporific flat plate made of PS material is placed right in front of an LED, most of vaporific flat plates are ordinary opaque PS/PMMA flat plates with fogged surfaces, the atomization effect is achieved, LEED point light sources can be converted into surface light sources, and then the surface light sources are polymerized from an optical film, so that images are displayed.

However, when the number of MINI LED beads increases, the cost of the display increases, and the heat dissipation increases due to the increase of the light emission, so that the number of MINI LED beads needs to be reduced, and when the number of MINI LED beads decreases, the distance between two adjacent MINI LED beads increases, so that a shadow appears between two adjacent MINI LED beads, resulting in a reduction of the display effect.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defect that when the number of MINI LED lamp beads is reduced, the distance between two adjacent MINI LED lamp beads is increased, so that a shadow appears between the two adjacent MINI LED lamp beads, and the display effect is reduced.

To this end, the present utility model provides a lens structure comprising:

the lens comprises a lens body, wherein the lens body comprises a light incident surface and a light emergent surface which are oppositely arranged;

the mounting part is arranged on the light incident surface side, is suitable for mounting the LED lamp beads and is also suitable for refracting first incident light rays emitted by the LED lamp beads into second incident light rays;

the diffusion part is arranged on the light-emitting surface side and is suitable for refracting the second incident light into diffusion light so as to diffuse the diffusion light to the outside;

the light emitting part is arranged on the light emitting surface side and is suitable for refracting the second incident light rays into emergent light rays so as to emit the emergent light rays to the outside.

Optionally, in the above lens structure, the diffusing portion and the lens body are integrally formed.

Alternatively, in the lens structure, the cross-sectional area of the diffusing portion gradually decreases along the direction of the light incident surface toward the light emergent surface.

Optionally, in the lens structure, the mounting portion is a first groove formed on the light incident surface, and an inner wall surface of the first groove is adapted to refract the first incident light to be the second incident light.

Optionally, in the lens structure described above, an inner wall surface of the first groove is an arc surface or a hemispherical surface.

Optionally, in the above lens structure, the light emitting portion is a second groove formed on the light emitting surface, and the second groove is adapted to refract the second incident light into an outgoing light with respect to a wall surface of the mounting portion.

Optionally, in the lens structure described above, a side wall surface of the second groove is a tapered arc surface or a tapered conical surface.

Optionally, in the above lens structure, the lens body is further provided with a plurality of reflecting portions, the reflecting portions are arranged around the mounting portion in a spaced-apart annular manner, the reflecting portions are third grooves formed in the light incident surface, the third grooves are adapted to reflect the second incident light to be reflected light with respect to the wall surface of the diffusing portion, so as to adjust the reflected light to be transmitted towards the direction of the diffusing portion.

Optionally, in the lens structure described above, an inner wall surface of the third groove is an arc surface or a hemispherical surface.

A MINI LED backlight module, comprising:

a plate structure having a receiving cavity;

the lens structure is the lens structure;

the light source assembly comprises a substrate and LED lamp beads, the substrate is arranged in the accommodating cavity, the LED lamp beads are arranged on the substrate and in the mounting part, and the LED lamp beads are suitable for emitting first incident light;

the light guide piece is arranged in the accommodating cavity and is suitable for transmitting light to the outside.

Optionally, the MINI LED backlight module further includes a cover plate, the cover plate is disposed on the plate structure, and the cover plate is adapted to fix the light guide member in the accommodating cavity.

The technical scheme provided by the utility model has the following advantages:

1. the utility model provides a lens structure, which comprises a lens body, an installation part, a diffusion part and a light emitting part, wherein the lens body comprises a light incident surface and a light emitting surface which are oppositely arranged; the mounting part is arranged on the light incident surface side, is suitable for mounting the LED lamp beads and is also suitable for refracting the first incident light rays emitted by the LED lamp beads into second incident light rays; the diffusion part is arranged on the light-emitting surface side and is suitable for refracting the second incident light into diffusion light so as to diffuse the diffusion light to the outside; the light emitting part is arranged on the light emitting surface side and is suitable for refracting the second incident light into emergent light so as to emit the emergent light to the outside.

The lens structure of this structure, through setting up the installation department on the lens body, diffusion portion and play optical unit, the income plain noodles and the play optical unit that have relative setting on the lens body, wherein, the installation department is offered in income plain noodles one side, and can be used for installing the LED lamp pearl, when the LED lamp pearl sent first incident light, the installation department can refract first incident light, make first incident light refraction be second incident light, and enter into the lens body and transmit, diffusion portion sets up in play optical surface one side, when second incident light transmits to diffusion portion in the lens body, diffusion portion can refract second incident light, make second incident light refraction be diffusion light, and with diffusion light to the external world, play optical unit sets up in play optical surface side, when second incident light transmits to play optical unit in the lens body, play optical unit can refract second incident light, thereby adjust the transmission angle of second incident light, make second incident light refraction be emergent light, and with light to outside, consequently, lens structure can be when the quantity of LED lamp is bigger and two adjacent shadow display effect has the LED lamp to appear when the lens body, thereby improve the shadow effect.

2. According to the lens structure provided by the utility model, the diffusion part and the lens body are integrally formed. The cross-sectional area of the diffusion portion gradually decreases in a direction along the light-in surface toward the light-out surface. The mounting part is a first groove formed on the light incident surface, and the inner wall surface of the first groove is suitable for refracting the first incident light into the second incident light. The inner wall surface of the first groove is arranged as an arc surface or a hemispherical surface. The light emitting part is a second groove formed on the light emitting surface, and the wall surface of the second groove opposite to the mounting part is suitable for refracting second incident light rays into emergent light rays. The side wall surface of the second groove is a conical cambered surface or a conical surface.

The lens structure of this structure sets up as integrated into one piece through setting up diffusion and lens body, and when the second incident light was at this internal transmission of lens, the second incident light can direct transmission to diffusion department, does not need the transmission through intermediate medium, is favorable to improving the efficiency of light transmission, also can improve the installation effectiveness of lens body. Through setting up the cross-sectional area of diffusion portion and gradually reducing in the direction of income plain noodles towards the play plain noodles, when the second incident light transmitted to diffusion portion in the lens body, refraction can take place in diffusion portion department, and because the cross-sectional area of diffusion portion reduces along going into the plain noodles in the direction of going towards the play plain noodles for the angle when the second incident light takes place to refract and the angle grow of the axis of lens body, thereby by refracting for diffusion light, and then eliminate the shadow between two adjacent LED lamp pearls. Through setting up the installation department for the shaping first recess on the income plain noodles for the LED lamp pearl can install in the installation department, and make the first incident light transmission that the LED lamp pearl sent to the lens originally internally, and when the internal wall surface of first incident light through the installation department, can take place the refraction on the internal wall surface of installation department, and get into the lens after being refracted into the second incident light and originally internally transmit. Through setting up the internal face at first recess for the arc surface, when the internal face of first incident light through installation department, the arc surface can refract first incident light, makes first incident light by the refraction for second incident light, and the arc surface can spread first incident light for first incident light can transmit to the whole inside of lens body, in order to transmit to diffusion portion and light-emitting portion department respectively, and in the lens body is penetrated out, of course, the internal face of installation department also can be the hemisphere face, the hemisphere face also can refract first incident light, and spread first incident light. By arranging the light emitting part as the second groove formed on the light emitting surface, when the second incident light rays are transmitted to the light emitting part in the lens body, refraction can occur on the wall surface of the second groove opposite to the mounting part, the transmission angle of the second incident light rays is adjusted, the second incident light rays are refracted into emergent light rays, and the emergent light rays are emitted to the outside. Through setting up the lateral wall face of second recess for the toper cambered surface, when the second incident light was through the internal wall face of light-emitting part, the toper cambered surface can refract the second incident light, makes second incident light refraction be emergent light, and the transmission angle of second incident light can be adjusted to the toper cambered surface, makes the even transmission of second incident light to the display screen, avoids appearing the facula on the display screen, of course, the lateral wall face of second recess also can be the conical surface, and the conical surface also can refract the second incident light to adjust the transmission angle of second incident light.

3. The lens structure provided by the utility model is characterized in that the lens body is also provided with a plurality of reflecting parts, the reflecting parts are arranged around the mounting part in a spacing way, the reflecting parts are third grooves formed on the light emitting surface, and the wall surfaces of the third grooves opposite to the diffusing parts are suitable for reflecting second incident light rays to be reflected light rays so as to adjust the transmission of the reflected light rays towards the diffusing parts. The inner wall surface of the third groove is an arc surface or a hemispherical surface.

In the lens structure, the reflecting part is arranged on the periphery of the mounting part in a spacing way, the transmitting part is a third groove arranged on the light emitting surface, when the first incident light is refracted into the second incident light through the inner wall surface of the mounting part and enters the lens body for transmission, part of the second incident light is transmitted to the reflecting part, is transmitted on the wall surface of the reflecting part opposite to the diffusing part, is reflected into the reflected light, is transmitted towards the diffusing part, is refracted at the diffusing part and is refracted into the diffused light, and when the second incident light is transmitted to the light emitting part in the lens body, part of the second incident light is refracted into the emergent light through the wall surface of the light emitting part opposite to the mounting part and is emitted to the outside, and the other part of the second incident light is transmitted on the wall surface of the light emitting part opposite to the mounting part, is reflected into the reflected light, is transmitted towards the reflecting part, and is transmitted again towards the diffusing part side, and finally is refracted at the diffusing part and is diffused into the outside. Through setting up the internal face of third recess for the arc surface, when the second incident light that takes place refraction and take place the reflection at the light-emitting part at the installation department transmits towards the reflection part side, the arc surface can be launched second incident light, make second incident light by the reflection light, and transmit towards the diffusion portion direction, finally take place the refraction at diffusion portion department, and be refracted and diffuse light diffusion to the external world, the internal face of third recess also can be the hemisphere face, the hemisphere face also can be launched the second incident light of transmission towards the reflection part side, and reflect second incident light for reflection light towards the diffusion portion side transmission.

4. The MINI LED backlight module provided by the utility model comprises a plate structure, a lens body, a light source assembly and a light guide piece, wherein the plate structure is provided with an accommodating cavity; the lens body is of the lens structure; the light source assembly comprises a substrate and LED lamp beads, the substrate is arranged in the accommodating cavity, the LED lamp beads are arranged on the substrate and in the mounting part, and the LED lamp beads are suitable for emitting first incident light; the light guide piece is arranged in the accommodating cavity and is suitable for transmitting light to the outside. The light guide plate comprises a light guide plate, and is characterized by further comprising a cover plate, wherein the cover plate is arranged on the plate structure and is suitable for fixing the light guide member in the accommodating cavity.

The MINI LED backlight module of this structure, through setting up the light source subassembly on the plate structure, lens body and light guide piece, the plate structure has an accommodation chamber, the light source subassembly includes base plate and LED lamp pearl, wherein, the base plate sets up at the accommodation intracavity, the LED lamp pearl sets up on the base plate, the lens body is foretell lens body, the installation department on the lens body can hold the LED lamp pearl, make the first incident light that the LED lamp pearl sent can get into the lens body in and transmit, and spread first incident light at the juncture of lens body and external, thereby eliminate the shadow between two adjacent LED lamp pearls, the light guide piece then sets up in one side of lens body, make the light that comes out from the transmission of lens body can carry out in the light guide piece, and transmit to the display screen in the light guide piece. Through the apron of setting on the plate structure, the apron can be fixed the light guide piece at the holding intracavity to avoided the light guide piece to drop from the holding intracavity, and then improved MINI LED backlight unit's overall structure stability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a lens structure according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a lens structure provided in an embodiment of the utility model;

fig. 3 is a schematic structural diagram of a MINI LED backlight module according to an embodiment of the present utility model;

reference numerals illustrate:

1-a lens body;

2-an installation part;

3-diffusion;

4-a light emitting part;

a 5-reflection part;

6-plate structure;

7-a light source assembly; 71-a substrate; 72-LED lamp beads;

8-a light guide;

9-cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The present embodiment provides a lens structure, as shown in fig. 1 to 3, including a lens body 1, a mounting portion 2, a diffusing portion 3, and a light emitting portion 4, the lens body 1 including a light incident surface and a light emitting surface that are disposed opposite to each other; the mounting part 2 is arranged on the light incident surface side, the mounting part 2 is suitable for mounting the LED lamp beads 72, and is also suitable for refracting the first incident light rays emitted by the LED lamp beads 72 into second incident light rays; the diffusion part 3 is arranged on the light-emitting surface side, and the diffusion part 3 is suitable for refracting the second incident light into diffusion light so as to diffuse the diffusion light to the outside; the light emitting portion 4 is disposed on the light emitting surface side, and the light emitting portion 4 is adapted to refract the second incident light to be the emergent light, so as to emit the emergent light to the outside.

According to the lens structure with the structure, the installation part 2, the diffusion part 3 and the light emitting part 4 are arranged on the lens body 1, the lens body 1 is provided with the light incident surface and the light emitting surface which are oppositely arranged, the installation part 2 is arranged on one side of the light incident surface and can be used for installing the LED lamp beads 72, when the LED lamp beads 72 emit first incident light, the installation part 2 can refract the first incident light, the first incident light is refracted into second incident light, the second incident light enters the lens body 1 for transmission, the diffusion part 3 is arranged on one side of the light emitting surface, when the second incident light is transmitted to the diffusion part 3 in the lens body 1, the diffusion part 3 can refract the second incident light, the second incident light is made into diffusion light, and the diffusion light is diffused to the outside, and the light emitting part 4 is arranged on one side of the light emitting surface, when the second incident light is transmitted to the light emitting part 4 in the lens body 1, the light emitting part 4 can refract the second incident light, so that the transmission angle of the second incident light is adjusted, the second incident light is refracted into the second incident light, and the second incident light is transmitted into the diffusion light, and the light is transmitted into the lens body 1, and the light is transmitted into the light emitting part 4, and the light is more convenient for displaying the two adjacent light beads, and the number of the LED lamp beads 72 can be greatly improved, and the number of the light can be displayed, compared with the light and the LED lamp has the light emitting effect.

In the lens structure provided in this embodiment, as shown in fig. 1 and 2, the diffusing part 3 and the lens body 1 are integrally formed. The lens structure of the structure is characterized in that the diffusion part 3 and the lens body 1 are integrally formed, when second incident light rays are transmitted in the lens body 1, the second incident light rays can be directly transmitted to the diffusion part 3 without being transmitted through an intermediate medium, so that the efficiency of light ray transmission is improved, and the installation efficiency of the lens body 1 can also be improved.

In the lens structure provided in this embodiment, as shown in fig. 2, the cross-sectional area of the diffusion portion 3 gradually decreases along the direction of the light incident surface toward the light emergent surface. In the lens structure with the above structure, the cross-sectional area of the diffusion portion 3 gradually decreases along the direction of the light incident surface towards the light emergent surface, when the second incident light is transmitted to the diffusion portion 3 in the lens body 1, refraction occurs at the diffusion portion 3, and because the cross-sectional area of the diffusion portion 3 gradually decreases along the direction of the light incident surface towards the light emergent surface, the angle between the angle of the second incident light when refraction occurs and the angle of the axis of the lens body 1 becomes larger, so that the second incident light is refracted into diffused light, and further, the dark shadow between two adjacent LED lamp beads 72 is eliminated.

In the lens structure provided in this embodiment, as shown in fig. 2, the mounting portion 2 is a first groove formed on the light incident surface, and an inner wall surface of the first groove is adapted to refract the first incident light into the second incident light. The lens structure of the above structure is characterized in that the mounting portion 2 is a first groove formed on the light incident surface, so that the LED lamp bead 72 can be mounted in the mounting portion 2, the first incident light emitted by the LED lamp bead 72 is transmitted into the lens body 1, and when the first incident light passes through the inner wall surface of the mounting portion 2, refraction occurs on the inner wall surface of the mounting portion 2, and the first incident light is refracted into the second incident light and then enters the lens body 1 for transmission.

In the lens structure provided in this embodiment, as shown in fig. 2, an inner wall surface of the first groove is configured as an arc surface or a hemispherical surface. The lens structure of the above-mentioned structure is the arc surface through setting up the internal face at first recess, when the internal face of installation department 2 is passed through to first incident light, the arc surface can refract first incident light, make first incident light by the refraction into second incident light, and the arc surface can spread first incident light, make first incident light can transmit to the whole inside of lens body 1, in order to transmit respectively to diffusion 3 and light-emitting part 4 departments, and in the lens body 1 is penetrated, of course, the internal face of installation department 2 also can be the hemisphere face, the hemisphere face also can refract first incident light, and spread first incident light.

In the lens structure provided in this embodiment, as shown in fig. 2, the light-emitting portion 4 is a second groove formed on the light-emitting surface, and the second groove is adapted to refract the second incident light into the outgoing light with respect to the wall surface of the mounting portion 2. In the lens structure with the above structure, the light emitting portion 4 is a second groove formed on the light emitting surface, when the second incident light is transmitted to the light emitting portion 4 in the lens body 1, refraction occurs on the wall surface of the second groove opposite to the mounting portion 2, and the transmission angle of the second incident light is adjusted, so that the second incident light is refracted into the emergent light, and the emergent light is emitted to the outside.

In the lens structure provided in this embodiment, as shown in fig. 2, a side wall surface of the second groove is a tapered arc surface or a tapered conical surface. The lens structure of above-mentioned structure is the toper cambered surface through setting up the lateral wall face of second recess, when the second incident light was through the internal face of light-emitting part 4, the toper cambered surface can refract the second incident light, make second incident light refraction be the emergent light, and the transmission angle of second incident light can be adjusted to the toper cambered surface, make the even transmission of second incident light to the display screen, avoid appearing the facula on the display screen, of course, the lateral wall face of second recess also can be the conical surface, the conical surface also can refract the second incident light, and adjust the transmission angle of second incident light.

In the lens structure provided in this embodiment, as shown in fig. 2, the lens body 1 is further provided with a plurality of reflective portions 5, the reflective portions 5 are arranged around the mounting portion 2 in a spaced-apart manner, the reflective portions 5 are third grooves formed on the light-emitting surface, and the third grooves are adapted to reflect the second incident light to be reflected light with respect to the wall surface of the diffusing portion 3, so as to adjust the transmission of the reflected light toward the diffusing portion 3. In the lens structure of the above structure, the reflecting portion 5 is arranged on the lens body 1 in a spacing ring manner, the reflecting portion 5 is arranged around the mounting portion 2, the emitting portion is a third groove formed on the light emitting surface, when the first incident light is refracted into the second incident light by the inner wall surface of the mounting portion 2 and enters the lens body 1 for transmission, part of the second incident light is transmitted to the reflecting portion 5, is emitted on the wall surface of the reflecting portion 5 opposite to the diffusing portion 3, is reflected into the reflected light, is transmitted towards the diffusing portion 3, is refracted at the diffusing portion 3, is refracted into the diffused light, and when the second incident light is transmitted to the light emitting portion 4 in the lens body 1, part of the second incident light is refracted into the light emitting surface by the light emitting portion 4 opposite to the wall surface of the mounting portion 2, is emitted to the outside, and the other part of the second incident light is emitted on the wall surface of the light emitting portion 4 opposite to the mounting portion 2, is reflected into the reflected light, is transmitted towards the reflecting portion 5, is refracted into the diffused and finally is emitted towards the diffused and is transmitted towards the outside when the light emitting portion 3 opposite to the wall surface of the diffusing portion 3.

In the lens structure provided in this embodiment, as shown in fig. 2, an inner wall surface of the third groove is an arc surface or a hemispherical surface. In the lens structure of the above structure, the inner wall surface of the third groove is an arc surface, when the second incident light beam refracted at the mounting portion 2 and reflected at the light emitting portion 4 is transmitted toward the reflecting portion 5, the arc surface can emit the second incident light beam, so that the second incident light beam is emitted as a reflected light beam and transmitted toward the diffusing portion 3, and finally, the second incident light beam is refracted at the diffusing portion 3 and diffused to the outside by the refracted light beam, and when the inner wall surface of the third groove is also a hemispherical surface, the hemispherical surface can also emit the second incident light beam transmitted toward the reflecting portion 5 and reflect the second incident light beam as a reflected light beam and transmit toward the diffusing portion 3.

According to the lens structure provided by the utility model, the installation part 2, the diffusion part 3 and the light emitting part 4 are arranged on the lens body 1, the lens body 1 is provided with the light incident surface and the light emitting surface which are oppositely arranged, wherein the installation part 2 is arranged on one side of the light incident surface and can be used for installing the LED lamp beads 72, when the LED lamp beads 72 emit first incident light, the installation part 2 can refract the first incident light, so that the first incident light is refracted into second incident light, the second incident light enters the lens body 1 for transmission, the diffusion part 3 is arranged on one side of the light emitting surface, when the second incident light is transmitted to the diffusion part 3 in the lens body 1, the diffusion part 3 can refract the second incident light, so that the second incident light is refracted into diffusion light, and the diffusion light is diffused to the outside, and the light emitting part 4 is arranged on one side of the light emitting surface.

The light transmission process of the lens body 1 provided by the utility model is as follows:

first, the light source emits a first incident light ray, and the first incident light ray is transmitted to the inner wall surface of the mounting part 2 to be refracted and is refracted into a second incident light ray; then, the second incident light enters the lens body 1 for transmission, and is transmitted towards the light emitting part 4, the diffusion part 3 and the reflection part 5 respectively; finally, the second incident light transmitted toward the diffusion portion 3 is refracted at the diffusion portion 3 and is refracted as a diffused light, and the diffused light is transmitted to the outside, the second incident light transmitted toward the light-emitting portion 4 is refracted and emitted at the light-emitting portion 4, the refracted second incident light is refracted as an outgoing light and transmitted to the outside, the reflected second incident light is transmitted toward the reflection portion 5, the second incident light transmitted toward the reflection portion 5 and the second incident light reflected through the light-emitting portion 4 are reflected at the reflection portion 5 and reflected as a reflected light, and the reflected light is transmitted toward the diffusion portion 3 and is refracted as a diffused light at the diffusion portion 3 and diffused to the outside. So far, the light transmission process of the lens body 1 is completed.

Example 2

The present embodiment provides a MINI LED backlight module, as shown in fig. 1 to 3, including a plate structure 6, a lens body 1, a light source assembly 7 and a light guide 8, wherein the plate structure 6 has a receiving cavity; the lens body 1 is of the lens structure; the light source assembly 7 comprises a substrate 71 and LED lamp beads 72, the substrate 71 is arranged in the accommodating cavity, the LED lamp beads 72 are arranged on the substrate 71 and in the mounting part 2, and the LED lamp beads 72 are suitable for emitting first incident light; the light guide member 8 is disposed in the accommodating cavity, and the light guide member 8 is adapted to transmit light to the outside. According to the MINI LED backlight module with the structure, the light source assembly 7, the lens body 1 and the light guide piece 8 are arranged on the plate structure 6, the plate structure 6 is a back plate in the embodiment, the light guide piece 8 is a light guide plate in the embodiment, the plate structure 6 is provided with a containing cavity, the light source assembly 7 comprises the base plate 71 and the LED lamp beads 72, wherein the base plate 71 is arranged in the containing cavity, the LED lamp beads 72 are arranged on the base plate 71, the lens body 1 is the lens body 1, the mounting part 2 on the lens body 1 can accommodate the LED lamp beads 72, first incident light emitted by the LED lamp beads 72 can enter the lens body 1 for transmission, and the first incident light is diffused at the boundary between the lens body 1 and the outside, so that the shadow between the two adjacent LED lamp beads 72 is eliminated, and the light guide piece 8 is arranged on one side of the lens body 1, so that the light transmitted from the lens body 1 can be transmitted in the light guide piece 8 and transmitted to the display screen in the light guide piece 8.

The MINI LED backlight module provided in this embodiment, as shown in fig. 3, further includes a cover plate 9, where the cover plate 9 is disposed on the plate structure 6, and the cover plate 9 is adapted to fix the light guide 8 in the accommodating cavity. According to the MINI LED backlight module with the structure, the cover plate 9 arranged on the plate structure 6 can fix the light guide piece 8 in the accommodating cavity, so that the light guide piece 8 is prevented from falling from the accommodating cavity, and the overall structural stability of the MINI LED backlight module is improved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (11)

1. A lens structure, comprising:

the lens comprises a lens body (1), wherein the lens body (1) comprises a light incident surface and a light emergent surface which are oppositely arranged;

the mounting part (2), the mounting part (2) is arranged on the light incident surface side, the mounting part (2) is suitable for mounting the LED lamp beads (72), and is also suitable for refracting the first incident light rays emitted by the LED lamp beads (72) into second incident light rays;

the diffusion part (3), the said diffusion part (3) is set up in the said light exit surface side, the said diffusion part (3) is suitable for refracting the said second incident light to spread the light for diffusion, in order to spread the said diffusion light to the outside;

the light emitting part (4), the light emitting part (4) is arranged on the light emitting surface side, and the light emitting part (4) is suitable for refracting the second incident light into emergent light so as to emit the emergent light to the outside.

2. A lens structure according to claim 1, characterized in that the diffuser (3) is provided integrally with the lens body (1).

3. A lens structure according to claim 2, characterized in that the cross-sectional area of the diffuser (3) gradually decreases in the direction of the light entrance surface towards the light exit surface.

4. A lens structure according to claim 3, wherein the mounting portion (2) is a first groove formed on the light incident surface, and an inner wall surface of the first groove is adapted to refract the first incident light ray into the second incident light ray.

5. The lens structure of claim 4, wherein the inner wall surface of the first groove is provided as an arc surface or a hemispherical surface.

6. The lens structure according to claim 5, wherein the light exit portion (4) is a second groove formed on the light exit surface, and the second groove is adapted to refract the second incident light ray into an outgoing light ray with respect to a wall surface of the mounting portion (2).

7. The lens structure of claim 6, wherein the sidewall surface of the second groove is configured as a tapered arcuate surface or a tapered surface.

8. The lens structure according to any one of claims 1 to 7, wherein the lens body (1) is further provided with a plurality of reflecting portions (5), the reflecting portions (5) are arranged around the mounting portion (2) in a spacing ring manner, the reflecting portions (5) are third grooves formed on the light incident surface, and the third grooves are adapted to reflect the second incident light to be reflected light with respect to the wall surface of the diffusing portion (3) so as to adjust the transmission of the reflected light toward the diffusing portion (3).

9. The lens structure of claim 8, wherein an inner wall surface of the third groove is provided as an arc surface or a hemispherical surface.

10. The MINI LED backlight module is characterized by comprising:

a plate structure (6), the plate structure (6) having a receiving cavity;

a lens structure as claimed in any one of claims 1 to 8;

the light source assembly (7), the light source assembly (7) comprises a substrate (71) and LED lamp beads (72), the substrate (71) is arranged in the accommodating cavity, the LED lamp beads (72) are arranged on the substrate (71) and in the mounting part (2), and the LED lamp beads (72) are suitable for emitting first incident light rays;

the light guide piece (8), the light guide piece (8) is arranged in the accommodating cavity, and the light guide piece (8) is suitable for transmitting light to the outside.

11. The MINI LED backlight module according to claim 10, further comprising a cover plate (9), the cover plate (9) being arranged on the plate structure (6), the cover plate (9) being adapted to fix the light guide (8) in the receiving cavity.