CN219435072U

CN219435072U - Lens device, light source module and display equipment

Info

Publication number: CN219435072U
Application number: CN202320658799.8U
Authority: CN
Inventors: 祁亚洲; 徐勇
Original assignee: Jiangsu TSD Electronics Technology Co Ltd
Current assignee: Jiangsu TSD Electronics Technology Co Ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-28
Anticipated expiration: 2033-03-29

Abstract

The embodiment provides a lens device, a light source module and a display device, wherein the lens device comprises an incidence part and a diffusion part, the incidence part comprises a first light condensing structure and a second light condensing structure, the first light condensing structure comprises a containing cavity suitable for containing a light source, and the first light condensing structure is suitable for condensing incident light rays; the second light condensing structure is arranged on the outer edge of the first light condensing structure in a surrounding mode and is suitable for condensing reflected light generated by the light source outside; the diffusion part is suitable for diffusing incident light, has a first direction and a second direction, and has different sizes in the first direction and the second direction. The first light condensing structure and the second light condensing structure can converge and focus light, optical performance is improved, the diffusion part is provided with a first direction and a second direction, incident light can be scattered in different directions, and therefore different optical effects are achieved. The incidence part is connected with the diffusion part, so that light rays can be effectively transmitted, and the optical performance of the device and the utilization rate of the incidence light rays are improved.

Description

Lens device, light source module and display equipment

Technical Field

The utility model relates to the technical field of display equipment, in particular to a lens device, a light source module and display equipment.

Background

In modern society, display technology has become an indispensable part of people's daily life, and is widely used in various fields such as electronic products, vehicles, advertising, etc. With the continuous progress of technology and the continuous improvement of image quality and viewing experience, the development of display devices is also faster and diversified. In the past, CRT (cathode ray tube) and LCD (liquid crystal display) technologies have been mainly used as display devices, but these technologies have problems of large volume, heavy weight, high power consumption, poor display effect, and the like. In recent years, with the continuous maturation and development of LED (light emitting diode) technology, more and more display devices are beginning to employ light sources such as LEDs to improve display effects and save energy.

The prior art provides a structure comprising a housing; a flexible PCB is arranged in the shell; the upper surface of the shell is of an arc-shaped structure; the flexible PCB is provided with an LED and a pit for placing the LED; the pit and the upper surface of the shell are provided with a light emitting cavity and a diffusion area; the LED comprises a lens, a base and a substrate; the substrate is provided with lamp beads; the center of the upper surface of the lens is recessed downwards to form a groove; a clearance groove for keeping away the substrate is formed in the bottom surface of the lens; the surface of the base is upwards extended with a plurality of convex edges for reflecting light rays.

However, the above-described structure has a low light utilization rate for the light generated by the light source, and is not ideal for the light emitted by the LED light source, resulting in poor optical performance of the display device.

Disclosure of Invention

The utility model aims to solve the technical problem that the utilization rate of the existing structure to incident light rays is low.

The utility model provides a lens device, which comprises an incidence part and a diffusion part, wherein the incidence part comprises a first light condensing structure and a second light condensing structure, the first light condensing structure comprises a containing cavity suitable for containing a light source, and the first light condensing structure is suitable for condensing incident light rays; the second light condensing structure is arranged on the outer edge of the first light condensing structure in a surrounding mode and is suitable for condensing reflected light generated by the light source outside; the diffusion part is suitable for diffusing incident light, and has a first direction and a second direction, and the diffusion part has different sizes in the first direction and the second direction; the incident part is connected with the diffusion part, receives incident light rays emitted by the light source, converges the incident light rays and then projects the incident light rays to the diffusion part, so that one part of the incident light rays scatter along the first direction, and the other part of the incident light rays scatter along the second direction.

Optionally, in the lens device, the diffusing portion is of a columnar structure, and has a side wall surface and a top surface, a transition curved surface is disposed between the top surface and the side wall surface, and the side wall surface is narrowed along a first direction and a second direction.

Optionally, in the lens device, the top surface is concave toward the incident portion.

Optionally, the lens device further includes an abutting portion, where the abutting portion is disposed on the incident portion and is adapted to be connected to a light source.

Optionally, in the lens device, the first light focusing structure is a circular arc concave, and the second light focusing structure is a plurality of circular arc protrusions.

Optionally, in the lens device, the incident portion and the diffusion portion are made of PC or PMMA integrally formed.

The utility model also provides a light source module comprising the lens device.

Optionally, the light source module further includes a substrate and an illumination assembly, the illumination assembly is disposed on the substrate, the substrate is further connected with the lens device, and the substrate is adapted to connect an external energy supply device with the illumination assembly.

Optionally, in the light source module, a reflective layer is disposed on a side of the substrate facing the illumination component, and the reflective layer is adapted to reflect light generated by the illumination component.

The utility model also provides display equipment comprising the light source module.

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

1. the utility model provides a lens device, which comprises an incidence part and a diffusion part, wherein the incidence part comprises a first light condensing structure and a second light condensing structure, the first light condensing structure comprises a containing cavity suitable for containing a light source, and the first light condensing structure is suitable for condensing incident light rays; the second light condensing structure is arranged on the outer edge of the first light condensing structure in a surrounding mode and is suitable for condensing reflected light generated by the light source outside; the diffusion part is suitable for diffusing incident light, and has a first direction and a second direction, and the diffusion part has different sizes in the first direction and the second direction; the incident part is connected with the diffusion part, receives incident light rays emitted by the light source, converges the incident light rays and then projects the incident light rays to the diffusion part, so that one part of the incident light rays scatter along a first direction, and the other part of the incident light rays scatter along a second direction.

The lens device with the structure comprises an incidence part and a diffusion part, wherein the incidence part comprises a first light condensing structure and a second light condensing structure, and the structures can converge and focus light rays and improve optical performance. The diffusion part is suitable for diffusing the incident light, and the diffusion part is provided with a first direction and a second direction, so that the incident light can be scattered along different directions, and different optical effects are realized. The incidence part is connected with the diffusion part, so that light can be effectively transmitted, the light can be reasonably processed and utilized in the device, and the optical performance of the device and the utilization rate of the incident light are improved.

2. The lens device provided by the utility model has the advantages that the diffusion part is of a columnar structure and is provided with the side wall surface and the top surface, the transition curved surface is arranged between the top surface and the side wall surface, and the side wall surface is narrowed along the first direction and the second direction.

The lens device with the structure has the advantages that the columnar structure of the diffusion part enables the volume of the device to be more compact, and the installation and the use are convenient; a transition curved surface is arranged between the side wall surface and the top surface of the diffusion part, so that the reflection and scattering of light rays can be effectively reduced, and the optical performance is improved; the side wall surfaces are narrowed in the first direction and the second direction, so that light rays can be better controlled and processed in the diffusion part, and a finer optical effect is achieved.

3. The light source module provided by the utility model is characterized in that the side surface of the substrate facing the irradiation assembly is provided with the reflecting layer, and the reflecting layer is suitable for reflecting light rays generated by the irradiation assembly.

The light source module with the structure can reflect the light generated by the illuminating component by the reflecting layer, so that the transmission distance and the light intensity of the light are increased, and the optical performance and the illumination effect are improved; the reflecting layer can also enable the transmission of light to be more accurate and precise, avoid the loss and interference of light and improve the optical efficiency; the arrangement of the reflecting layer can also enable the whole light source module to properly reduce the number of the lamp beads under the condition of keeping brightness, thereby reducing the overall power consumption and heating and prolonging the service life.

4. The display device provided by the utility model has any one of the advantages of the device and the module because the display device comprises the lens device and the light source module.

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 the overall structure of a light source module according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a lens apparatus according to an embodiment of the present utility model;

FIG. 3 is another view of a schematic structural diagram of a lens device according to an embodiment of the present utility model;

fig. 4 is a schematic view of a partial structure of a light source module according to an embodiment of the present utility model;

reference numerals illustrate:

1-an incidence part; 11-a first light gathering structure; 12-a second light harvesting structure;

a 2-diffusion section; 21-sidewalls; 22-top surface;

3-an abutment;

4-a substrate;

5-an illumination assembly.

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 "third" 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 "connected," "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

As shown in fig. 2 to 3, the present embodiment provides a lens device including an incident portion 1 and a diffusing portion 2, the incident portion 1 including a first light condensing structure 11 and a second light condensing structure 12, the first light condensing structure 11 including a receiving cavity adapted to receive a light source, the first light condensing structure 11 being adapted to condense incident light; the second light condensing structure 12 is arranged around the outer edge of the first light condensing structure 11 and is suitable for condensing the reflected light generated by the light source outside; the diffusing part 2 is suitable for diffusing incident light, the diffusing part 2 has a first direction and a second direction, and the sizes of the diffusing part 2 in the first direction and the second direction are different; the incident portion 1 is connected with the diffusion portion 2, and the incident portion 1 receives incident light emitted by the light source, converges the incident light, and then sends the incident light to the diffusion portion 2, so that one part of the incident light is scattered along a first direction, and the other part of the incident light is scattered along a second direction. The device comprises an incidence part 1 and a diffusion part 2, wherein the incidence part 1 comprises a first light condensing structure 11 and a second light condensing structure 12, and the structures can converge and focus light rays to improve optical performance. The diffusing part 2 is suitable for diffusing incident light, and the diffusing part 2 has a first direction and a second direction, so that the incident light can be scattered along different directions, thereby realizing different optical effects. The incidence part 1 is connected with the diffusion part 2, so that light can be effectively transmitted, the light can be reasonably processed and utilized in the device, and the optical performance of the device and the utilization rate of the incident light are improved.

As shown in fig. 2, in the lens device provided in this embodiment, the diffusing portion 2 has a columnar structure and has a side wall 21 surface and a top surface 22, a transition curved surface is disposed between the top surface 22 and the side wall 21 surface, and the side wall 21 surface is narrowed along the first direction and the second direction. Particularly in the embodiment, the columnar structure of the diffusion part 2 makes the device more compact in size and convenient to install and use; a transition curved surface is arranged between the side wall 21 surface and the top surface 22 of the diffusion part 2, so that the reflection and scattering of light can be effectively reduced, and the optical performance is improved; the narrowing of the side wall 21 surfaces in the first and second directions enables better control and handling of the light within the diffuser 2, thereby achieving finer optical effects.

As shown in fig. 2, in the lens device provided in this embodiment, the top surface 22 is recessed toward the incident portion 1. The top surface 22 is recessed towards the direction of the incidence part 1, so that the light rays can be concentrated after being converged, and the optical performance and the light condensation effect are improved; secondly, the concave design can reduce reflection and scattering of light, prevent loss and interference of light, improve optical efficiency.

As shown in fig. 2, the lens device provided in this embodiment further includes an abutment portion 3, where the abutment portion 3 is disposed on the incident portion 1 and adapted to be connected to a light source. In this embodiment in particular, the abutting portion 3 can effectively connect the light source and the incident portion 1, ensure transmission and processing of light, and improve optical performance and use efficiency; the arrangement of the abutting part 3 can enable the interface between the light source and the lens device to be more compact, avoid the loss and the interference of light rays and improve the optical efficiency; the design of the abutment 3 also makes the whole lens arrangement more attractive and stable, with better durability and ease of use.

As shown in fig. 3, in the lens device provided in this embodiment, the first light collecting structure 11 is a circular arc concave, and the second light collecting structure 12 is a plurality of circular arc protrusions. The arc-shaped concave first light focusing structure 11 can focus and focus light rays, so that the optical performance and the light focusing effect are improved; the plurality of circular arc-shaped convex second light focusing structures 12 can reflect and refract light for multiple times, so that the focusing and converging effects of the light are enhanced, and the optical performance is further improved; the circular arc design enables the lens device to have better optical balance and balance, and can achieve more accurate optical effects.

In the lens device provided in this embodiment, the incident portion 1 and the diffusion portion 2 are made of PC or PMMA integrally formed. The integrally formed design ensures that the lens device has better stability and durability, avoids light loss and interference caused by gaps at the connecting or splicing positions, and improves the optical performance and the service life; the PC or PMMA material has good light transmittance and corrosion resistance, and can stably work in various severe optical environments; the integrally formed design can also enable the lens device to have better aesthetic property and usability, and is convenient for a user to install and use.

Example 2

The embodiment provides a light source module, which comprises the lens device.

As shown in fig. 1 and 4, the light source module provided in this embodiment further includes a substrate 4 and an illumination assembly 5, the illumination assembly 5 is disposed on the substrate 4, the substrate 4 is further connected with a lens device, and the substrate 4 is adapted to connect an external power supply device with the illumination assembly 5. In the embodiment, the irradiation component 5 is an LED lamp bead, the substrate 4 is a circuit board connected with the LED lamp bead, the substrate 4 can provide stable support and connection for the irradiation component 5, transmission and treatment of light are ensured, and optical performance and use efficiency are improved; the connection of the substrate 4 and the lens device can enable the transmission of light to be more accurate and precise, avoid the loss and interference of light and improve the optical efficiency; the base plate 4 is suitable for connecting an external energy supply device with the irradiation component 5, and can provide stable power and energy for the light source module, so that the normal work and use of the light source module are ensured.

In the light source module provided in this embodiment, the side of the substrate 4 facing the irradiation assembly 5 is provided with a reflective layer, and the reflective layer is adapted to reflect light generated by the irradiation assembly 5. The reflecting layer can reflect the light generated by the illuminating component 5, so that the transmission distance and the light intensity of the light are increased, and the optical performance and the illumination effect are improved; the reflecting layer can also enable the transmission of light to be more accurate and precise, avoid the loss and interference of light and improve the optical efficiency; the arrangement of the reflecting layer can also enable the whole light source module to properly reduce the number of the lamp beads under the condition of keeping brightness, thereby reducing the overall power consumption and heating and prolonging the service life.

Example 3

The embodiment provides a display device including the light source module. The display device provided by the embodiment has the following advantages:

shows uniformity and stability: the design of the lens device can enable the display effect of the display equipment to be more uniform and stable, avoid the conditions of chromatic aberration and uneven brightness, and improve the display quality and the uniformity of pictures.

Power saving and energy saving: the light source module adopts the high-efficiency energy-saving LED lamp beads and is provided with the reflecting layer, so that energy sources can be effectively saved, the overall power consumption and heating are reduced, and the overall service life of the equipment is prolonged.

The reject ratio of the SMD patch is reduced: can improve the interval of LED lamp pearl through setting up lens device to reduced the use quantity of LED lamp pearl, and then reduced the defective rate of SMD paster, played the effect of reducing the cost and enhancing in production and processing.

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

1. A lens apparatus, comprising:

an entrance section (1), the entrance section (1) comprising a first light collecting structure (11) and a second light collecting structure (12), the first light collecting structure (11) comprising a receiving cavity adapted to receive a light source, the first light collecting structure (11) being adapted to collect incident light rays;

the second light condensing structure (12) is arranged on the outer edge of the first light condensing structure (11) in a surrounding mode and is suitable for condensing reflected light generated by the light source outside;

a diffusing part (2) adapted to diffuse an incident light ray, the diffusing part (2) having a first direction and a second direction, the diffusing part (2) being different in size in the first direction and the second direction;

the incident part (1) is connected with the diffusion part (2), and the incident part (1) receives incident light rays emitted by the light source, converges the incident light rays and then projects the incident light rays to the diffusion part (2), so that one part of the incident light rays scatter along the first direction, and the other part of the incident light rays scatter along the second direction.

2. A lens arrangement according to claim 1, characterized in that the diffuser (2) is of a cylindrical structure having a side wall (21) face and a top face (22), a transition surface being provided between the top face (22) and the side wall (21) face, the side wall (21) face being narrowed in a first direction and a second direction.

3. A lens arrangement according to claim 2, characterized in that the top surface (22) is recessed in the direction of the entrance part (1).

4. A lens arrangement according to claim 3, further comprising an abutment (3), said abutment (3) being arranged on said entrance (1) adapted to be connected to a light source.

5. A lens arrangement according to claim 4, characterized in that the first light collecting structure (11) is a circular arc shaped indent and the second light collecting structure (12) is a number of circular arc shaped protrusions.

6. The lens arrangement according to any of claims 1-5, characterized in that the entrance part (1) and the diffusing part (2) are of integrally formed PC or PMMA material.

7. A light source module comprising the lens device of any one of claims 1-6.

8. The light source module according to claim 7, further comprising a substrate (4) and an illumination assembly (5), the illumination assembly (5) being arranged on the substrate (4), the substrate (4) being further connected with a lens arrangement, the substrate (4) being adapted to connect an external power supply with the illumination assembly (5).

9. A light source module according to claim 8, characterized in that the side of the substrate (4) facing the illumination assembly (5) is provided with a reflective layer adapted to reflect light generated by the illumination assembly (5).

10. A display device comprising the light source module of any one of claims 1-9.