CN212675209U

CN212675209U - Fresnel-like lens with sawtooth ring

Info

Publication number: CN212675209U
Application number: CN202021528674.6U
Authority: CN
Inventors: 姚斌
Original assignee: GUANGDONG HONGLEIDA OPTOELECTRONIC CO Ltd
Current assignee: GUANGDONG HONGLEIDA OPTOELECTRONIC CO Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-09
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to the technical field of lenses, in particular to a Fresnel lens with sawtooth rings, which comprises a body, wherein the body comprises a light inlet surface and a light outlet surface, the light inlet surface is provided with a first light transmission area and a second light transmission area, the center of the first light transmission area is a convex lens, a plurality of sawtooth rings are arranged around the convex lens, and the convex lens and the sawtooth rings are transparent; the side of the convex lens used for entering light is a fog surface, and the second light-transmitting area is provided with a pattern surface. The utility model discloses simple structure, one side that the slope of serration ring set up plays the reflex action in the light of penetrating into the plain noodles, lets light be parallel direction and jets out, increases the efficiency of light-emitting, sets up to a plurality of through the quantity with the serration ring, reduces the thickness of body, weight reduction. Through setting up the matte, play the effect of handling the facula, through setting up the flower pattern face, play and cover the effect of inner member, improve aesthetic measure.

Description

Fresnel-like lens with sawtooth ring

Technical Field

The utility model relates to a lens technology field, concretely relates to take class fresnel lens of serration ring.

Background

The Fresnel lens is also called a screw thread lens, one surface of the Fresnel lens is a smooth surface, the other surface is recorded with concentric circles from small to large, and the texture of the Fresnel lens is designed according to the requirements of light interference and interference, relative sensitivity and receiving angle. Fresnel lenses are widely used in various applications, such as car lights, stage lights, etc. The existing Fresnel lens has the defects that the light emitting efficiency is low, light spots cannot be processed, internal components are easy to see through the Fresnel lens, the attractiveness is affected, and the problem needs to be solved urgently.

Disclosure of Invention

The utility model aims at the above-mentioned not enough among the prior art, provide a take class fresnel lens of sawtooth ring.

In order to achieve the above purpose, the specific scheme of the utility model is as follows: a Fresnel lens with sawtooth rings comprises a body, wherein the body comprises a light inlet surface and a light outlet surface, the light inlet surface is provided with a first light transmission area and a second light transmission area, the center of the first light transmission area is provided with a convex lens, a plurality of sawtooth rings are arranged around the convex lens, the tooth tip direction of each sawtooth ring is the same as the protruding direction of the convex lens, the size of each sawtooth ring is gradually increased from the direction close to the convex lens to the direction far away from the convex lens, one side surface, close to the convex lens, of each sawtooth ring is vertically arranged, one side surface, far away from the convex lens, of each sawtooth ring is obliquely arranged, and the convex lens and the sawtooth rings are transparent; the side of the convex lens used for entering light is a fog surface, and the second light-transmitting area is provided with a pattern surface.

Furthermore, the edge of the light incident surface protrudes to form a mounting ring, and the protruding direction of the mounting ring is the same as the tooth tip direction of the sawtooth ring

Furthermore, the number of the sawtooth rings is four, the size of the first sawtooth ring, the size of the second sawtooth ring and the size of the third sawtooth ring which are close to the convex lens are the same, and the size of the fourth sawtooth ring is larger than that of the first sawtooth ring.

Further, the light-emitting surface is a smooth surface.

Furthermore, the light-emitting surface is an etched surface.

Furthermore, the light emitting surface is a bead surface.

The utility model has the advantages that: the utility model discloses simple structure, one side that the slope of serration ring set up plays the reflex action in the light of penetrating into the plain noodles, lets light be parallel direction and jets out, increases the efficiency of light-emitting, sets up to a plurality of through the quantity with the serration ring, reduces the thickness of body, weight reduction. Through setting up the matte, play the effect of handling the facula, through setting up the flower pattern face, play and cover the effect of inner member, improve aesthetic measure.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Reference numerals:

1. a body; 2. a light incident surface; 3. a convex lens; 4. a sawtooth ring; 5. fogging surface; 6. pattern surface; 7. a mounting ring; 8. and a light-emitting surface.

Detailed Description

The invention will be further described with reference to the following examples.

Referring to fig. 1 and 2, a fresnel lens with sawtooth rings 4 includes a body 1, the body 1 includes a light incident surface 2 and a light emitting surface 8, the light incident surface 2 is provided with a first light transmission region and a second light transmission region, the center of the first light transmission region is a convex lens 3, a plurality of sawtooth rings 4 are arranged around the convex lens 3, the tooth tip direction of the sawtooth rings 4 is the same as the protruding direction of the convex lens 3, the size of the sawtooth rings 4 gradually increases from the direction close to the convex lens 3 to the direction far from the convex lens 3, one side surface of each sawtooth ring 4 close to the convex lens 3 is vertically arranged, one side surface of each sawtooth ring 4 far from the convex lens 3 is obliquely arranged, and the convex lens 3 and the sawtooth rings 4 are transparent; the surface of the convex lens 3 used for light incidence is a fog surface 5, and the second light transmission area is provided with a pattern surface 6. The utility model discloses simple structure, one side that sawtooth ring 4 slope set up plays the reflex action to the light of kicking into income plain noodles 2, lets light be parallel direction and jets out, increases the efficiency of light-emitting, sets up to a plurality of through the quantity with sawtooth ring 4, reduces the thickness of body 1, weight reduction. Through setting up matte 5, play the effect of handling the facula to the light that directly transmits out from convex lens 3, through setting up decorative pattern face 6, play and cover the effect of inner member, improve aesthetic measure.

In this embodiment, the edge of the light incident surface 2 protrudes with a mounting ring 7, and the protruding direction of the mounting ring 7 is the same as the tooth tip direction of the sawtooth ring 4. The installation position that sets up convenient cooperation external world like this plays the effect of grafting and location, improves the stability of installation.

In this embodiment, the number of the sawtooth rings 4 is four, the size of the first sawtooth ring 4, the size of the second sawtooth ring 4, and the size of the third sawtooth ring 4 from the direction close to the convex lens 3 are all the same, and the size of the fourth sawtooth ring 4 is larger than the size of the first sawtooth ring 4. The arrangement increases the light-emitting level, further increases the light-emitting efficiency and improves the light utilization rate.

In this embodiment, the light emitting surface 8 is a smooth surface. The arrangement ensures the uniformity of the emergent light.

In this embodiment, the light emitting surface 8 is an etched surface. This arrangement maintains a high light efficiency.

In this embodiment, the light emitting surface 8 is a bead surface. This arrangement enlarges the light emission range.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a take class fresnel lens of serration ring which characterized in that: the light-emitting diode display panel comprises a body (1), wherein the body (1) comprises a light-in surface (2) and a light-out surface (8), the light-in surface (2) is provided with a first light-transmitting area and a second light-transmitting area, the center position of the first light-transmitting area is a convex lens (3), a plurality of sawtooth rings (4) are arranged around the convex lens (3), the tooth tip direction of each sawtooth ring (4) is the same as the convex direction of the convex lens (3), the size of each sawtooth ring (4) is gradually increased from the direction close to the convex lens (3) to the direction far away from the convex lens (3), one side surface of each sawtooth ring (4) close to the convex lens (3) is vertically arranged, one side surface of each sawtooth ring (4) far away from the convex lens (3) is obliquely arranged, and the convex lens (3) and; the surface of the convex lens (3) used for entering light is a fog surface (5), and the second light-transmitting area is provided with a pattern surface (6).

2. The Fresnel-like lens with the sawtooth ring as claimed in claim 1, wherein: the edge of the light incident surface (2) is provided with a mounting ring (7) in a protruding mode, and the protruding direction of the mounting ring (7) is the same as the tooth tip direction of the sawtooth ring (4).

3. The Fresnel-like lens with the sawtooth ring as claimed in claim 1, wherein: the number of the sawtooth rings (4) is four, the size of the first sawtooth ring (4), the size of the second sawtooth ring (4) and the size of the third sawtooth ring (4) which are close to the convex lens (3) are the same, and the size of the fourth sawtooth ring (4) is larger than that of the first sawtooth ring (4).

4. The Fresnel-like lens with the sawtooth ring as claimed in claim 1, wherein: the light-emitting surface (8) is a smooth surface.

5. The Fresnel-like lens with the sawtooth ring as claimed in claim 1, wherein: the light-emitting surface (8) is an etched surface.

6. The Fresnel-like lens with the sawtooth ring as claimed in claim 1, wherein: the light emitting surface (8) is a bead surface.