CN218379258U - Lens and light-emitting device - Google Patents

Abstract

The utility model discloses a lens and illuminator, lens include the mirror body, and arbitrary terminal surface of the mirror body has a plurality of first bellyings, and first bellyings are array distribution, and first bellyings include waist and crown, and the shape of waist is the stage body, and the shape of crown is the segment, and waist stage body bottom surface is connected with the terminal surface of the mirror body, and the terminal surface that mirror body one end was kept away from to crown segment bottom surface and waist is connected, and lens are suitable for the one end that sets up at light source spare emission light to make light pass lens. The lens of above-mentioned structure can be under the condition that has set up less light source spare, simulate the effect of a plurality of light sources with less light source through a plurality of first bellying to play the effect that improves display effect, simultaneously, through setting up the first bellying that is formed by stage body and segment combination, can be so that after the light that light source spare sent gets into first bellying, obtain after the surface refraction through the segment and diverge, further improved display effect.

Description

Lens and light-emitting device

Technical Field

The utility model relates to the technical field of lighting fixtures, concretely relates to lens and illuminator.

Background

An LED (Light Emitting Diode) is a solid semiconductor device capable of converting electric energy into visible Light, and can directly convert electricity into Light. As a high-quality light source with long service life, low power consumption and high luminous efficiency, the light source has been widely used in electronic devices such as displays, televisions and commercial displays.

The current products on the market are mainly classified into direct-type backlight and side-type backlight according to different installation positions of backlight light sources. Direct type is shaded as the name implies and is just placed LED's fluorescent tube in liquid crystal display's the back, and light directly passes through the light emitting mode that liquid crystal display panel passed through, because the colour gamut that its was shaded is better, the image effect is more natural, screen brightness is more even and the screen light leak advantage such as little, and then direct type is shaded and becomes the selection in order to most LED display device on the market.

At present, most manufacturers adopt the display module of the direct type backlight structure, because more LED lamp beads are used in the module, the problems of cost improvement, failure rate improvement and the like of equipment are caused, in order to reduce the cost and the failure rate, the use number of the lamp beads is the most direct mode, but if the use number of the lamp beads is reduced, the defect of insufficient display effect is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that because it is less to set up lamp pearl quantity among the prior art, the defect that leads to equipment display effect to descend.

Therefore, the utility model provides a lens, including the mirror body, arbitrary terminal surface of the mirror body has a plurality of first bellyings, first bellyings is array distribution, first bellyings includes waist and crown, the shape of waist is the stage body, the shape of crown is the segment, waist stage body bottom surface with the terminal surface of the mirror body is connected, crown segment bottom surface with the waist is kept away from the terminal surface of mirror body one end is connected, lens are suitable for the one end that sets up at light source spare emission light to make light pass lens.

Optionally, the lens further comprises a plurality of first installation parts, the first installation parts are distributed in the array mode on the end face, away from one end of the first protruding part, of the lens body, and the first installation parts are suitable for installing the light source part.

Optionally, in the lens, the first mounting portion is an accommodating groove.

Optionally, the lens further includes a plurality of second protruding portions, and the second protruding portions are distributed in an array manner on an end face of the lens body, the end face being far away from one end of the first protruding portion, and are arranged at intervals with the first mounting portion.

Optionally, the lens further includes a plurality of light guide structures, the light guide structures are spaced from the first protruding portions, and each light guide structure is a groove with an arcuate cross section.

A light emitting device comprising the lens of any of the above.

Optionally, the light emitting device further includes a substrate and a light source, the light source is disposed on any end surface of the substrate, and the light source is adapted to be electrically connected to an external power source.

Optionally, in the above light emitting device, the light source unit is detachably connected to the first mounting portion.

Optionally, in the above light emitting device, the light source units are distributed in an array, and are disposed in cooperation with the first mounting portion, so that the light source units are all mounted in the first mounting portion.

Optionally, the light emitting device further includes a second mounting portion, the second mounting portion is disposed on the substrate and provided with the other end face of the light source, and the second mounting portion is adapted to be detachably connected to an external device.

The technical scheme provided by the utility model, following advantage has:

1. the utility model provides a lens, including the mirror body, arbitrary terminal surface of the mirror body has a plurality of first bellyings, and first bellyings is array distribution, and first bellyings includes waist and crown, and the shape of waist is the stage body, and the shape of crown is the segment, and waist stage body bottom surface is connected with the terminal surface of the mirror body, and the terminal surface that mirror body one end was kept away from to crown segment bottom surface and waist is connected, and lens are suitable for the one end that sets up at light source spare transmitted light to make light pass lens. The lens of above-mentioned structure can be under the condition that has set up less light source spare, simulate the effect of a plurality of light sources with less light source through a plurality of first bellying, thereby play the effect that improves display effect, and simultaneously, through setting up the first bellying that is formed by stage body and segment combination, can be so that light source spare sent gets into behind the first bellying, obtain after the surface refraction through the segment and diverge, and in the middle of the partial light irradiation that is reflected back by the external world is easily absorbed first bellying by the segment, the rate of utilization of light has been improved, display effect has further been improved.

2. The utility model provides a lens still includes a plurality of second bellyings, and second bellyings array distribution is on the mirror body keeps away from the terminal surface of first bellyings one end, and sets up with first installation department interval. Through setting up a plurality of second bellyings, and the second bellyings are array distribution and keep away from the terminal surface of first bellyings one end in the mirror body, the light source is after shining on the second bellyings, light refracts in the second bellyings through the surface of second bellyings, and shine on first bellyings through the mirror body, convey comparatively dispersed light in the middle of the mirror body more intensively, the light that makes to penetrate into the mirror body is more even, display effect has been improved, and reflection light between light source spare and second bellyings can also be absorbed once more by the second bellyings and refract and get into the mirror body, light utilization rate has been improved, display effect has further been improved.

3. The utility model provides a lens still includes a plurality of light-directing structures, and light-directing structure and first bellying interval set up, and light-directing structure is bow-shaped groove for the cross section. The lens of above-mentioned structure jets out the back at light through the mirror body, is shone on light guide structure by the external partial light that reflects back to through light guide structure's refraction again with among the leading-in mirror body of light, realize the high-efficient recycle of light, the light through the leading-in mirror body of light guide structure passes through the mirror body once more and first bellying outwards shines, has further improved above-mentioned structural lens's display effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a side view of a lens provided in embodiment 1 of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic view of an optical path inside a lens provided in embodiment 1 of the present invention;

fig. 4 is a top view of a lens provided in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a lens provided in embodiment 1 of the present invention;

fig. 6 is a bottom view of a lens provided in embodiment 1 of the present invention;

fig. 7 is a plan view of a substrate provided in embodiment 2 of the present invention;

fig. 8 is a side view of a substrate provided in embodiment 2 of the present invention;

fig. 9 is a bottom view of a substrate provided in embodiment 2 of the present invention;

fig. 10 is a schematic structural view of a light-emitting device provided in embodiment 2 of the present invention;

fig. 11 is an isometric view of a light-emitting device provided in embodiment 2 of the present invention;

fig. 12 is a side view of a light-emitting device provided in embodiment 2 of the present invention;

fig. 13 is a bottom view of a light-emitting device provided in embodiment 2 of the present invention;

description of the reference numerals:

1-a lens body; 11-a first boss; 111-crown part; 112-waist; 12-a first mounting portion; 13-a second boss; 14-a light guiding structure;

2-a light source element;

3-a substrate;

4-a second mounting portion.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a lens, as shown in fig. 1 to 6, which includes a lens body 1, any end surface of the lens body 1 has a plurality of first protruding portions 11, the first protruding portions 11 are distributed in an array, the first protruding portions 11 include a waist portion 112 and a crown portion 111, the waist portion 112 is in a table shape, the crown portion 111 is in a segment shape, a bottom surface of the table of the waist portion 112 is connected to the end surface of the lens body 1, a bottom surface of the segment of the crown portion 111 is connected to an end surface of the waist portion 112 far from one end of the lens body 1, and the lens is suitable for being disposed at one end of the light source 2 emitting light, so that the light passes through the lens. The lens of above-mentioned structure can be under the condition that has set up less light source spare 2, through a plurality of first bellying 11 with the effect that less light source simulation becomes a plurality of light sources, thereby play the effect that improves display effect, and simultaneously, through setting up the first bellying 11 that is formed by stage body and segment combination, can be so that light source spare 2 sent gets into behind the first bellying 11, obtain after the surface refraction through the segment and diverge, and in the middle of the partial light irradiation that is reflected back by the external world is easily absorbed into first bellying 11 by the segment, the rate of utilization of light has been improved, display effect has further been improved.

Specifically, in this embodiment, the distribution manner of the first protruding portions 11 may be rectangular array distribution, circular array distribution, triangular array distribution, regular polygonal array distribution, and the like, and the above distribution manners all can achieve the effect of simulating fewer light sources into a plurality of light sources, and the effect is basically the same. As a preferable scheme, the present embodiment adopts a rectangular array distribution, and by adopting the rectangular array distribution, the first protruding portions 11 can be more uniformly filled on the end surface of the rectangular mirror body 1, so that each part on the mirror body 1 can have a certain number of first protruding portions 11, and the display effect of the lens with the above structure is improved. Specifically, the number of the first protruding portions 11 is not limited in this embodiment, and it should be determined according to the selected array type, the display effect to be achieved, the manufacturing cost, and other factors, as long as the effect of simulating a few light sources into a plurality of light sources, that is, the number of the first protruding portions 11, can be achieved. In the preferred embodiment of the present invention, because the end surface of the adopted lens body 1 is square, the number of the first protruding portions 11 is N ^2 (N is greater than or equal to 2), and at this time, the number of the first protruding portions 11 can be uniformly distributed on the end surface of the square lens body 1, thereby further improving the display effect of the lens with the above structure.

Specifically in this embodiment, the shape of the waist 112 of the first protruding portion 11 is a truncated cone, and the shape of the waist 112 of the first protruding portion 11 is set as the truncated cone, so that the light emitted from the light source 2 can be reflected to the first protruding portion 11 through the mirror body 1, and a part of the light which is not directly reflected to the crown 111 can be reflected to the crown 111 through the inner side surface of the truncated cone, thereby improving the utilization rate of the light, and the inner side surface of the truncated cone can be regarded as a reflecting surface with an infinite number of angles, so that the reflected light is more than the light in other shapes, and the optimization of the display effect is more obvious. Of course, the waist portion 112 of the first protruding portion 11 may also be a truncated pyramid, which is not as good as a truncated cone in reflection effect, but is a possible implementation manner of the present embodiment, and the principle thereof is consistent with the scheme adopted in the present embodiment, and thus, the description thereof is omitted.

When the lens of the above structure is applied to the light-emitting device, because the first protruding portion 11 and the lens are transparent, except the light that completes the display function, part of the light irradiates towards other directions, and this part of the light is often reflected back to the lens by the internal structure of the light-emitting device, specifically in this embodiment, the shape of the crown 111 of the first protruding portion 11 is a segment shape, the shape of the crown 111 of the first protruding portion 11 is set to a segment shape, so that the light reflected back to the lens by the internal structure of the light-emitting device is collected towards the inside of the lens body 1 through the crown 111 of the first protruding portion 11, the light is efficiently recycled, and this part of the light is reused, thereby improving the light utilization rate of the lens of the above structure, and further improving the display effect.

Specifically, the material of the mirror body 1 is not limited in this embodiment, and the mirror body may be made of inorganic glass, organic glass or other materials with good light transmittance, as long as the transmission effect of light can be achieved. Similarly, this embodiment does not restrict the connection mode of first bellying 11 and mirror body 1 terminal surface, and it can be fixed connection, can dismantle and connect or integrated into one piece, and what this embodiment adopted is integrated into one piece's mirror body 1, can make the wholeness in the mirror body 1 stronger through adopting integrated into one piece's mirror body 1, and the transmission efficiency of light transmissivity and light in lens has all obtained the promotion, has further improved the display effect of the lens of above-mentioned structure.

As shown in fig. 5 and 6, the lens provided in this embodiment further includes a plurality of first mounting portions 12, the first mounting portions 12 are distributed in an array on an end surface of the mirror body 1 far from one end of the first protruding portion 11, and the first mounting portions 12 are suitable for mounting the light source device 2. In the present embodiment, the first mounting portion 12 is a receiving recess. The light source device 2 is installed by arranging the accommodating groove as the first installation part 12 on the cross section of one end of the lens far away from the first bulge part 11, so that the light source device 2 can be assembled with the lens and the light source device 2 in an embedded mode, when the distance between the light source device 2 and the lens is kept constant, the distance between the lens with the structure and the substrate 3 is shorter, the lens with the structure is shorter on the substrate 3, the thickness of the light-emitting device when the lens with the structure is applied to the light-emitting device is reduced while the structural stability is improved, and the equipment is more attractive and lighter.

Specifically, in the present embodiment, the array type adopted by the first mounting portion 12 is the same as the array type adopted by the first protruding portion 11, and by adopting the same array type, the light emitted by the light source disposed in the first mounting portion 12 can be more uniformly irradiated to the first protruding portion 11 after passing through the mirror body 1, so as to improve the display effect, but the number of the first mounting portions 12 should be smaller than the number of the first protruding portions 11, for example, in the scheme of the first protruding portions 11 distributed in the square array adopted in the present embodiment, the first mounting portion 12 should be a rectangular array with any number (N is greater than or equal to 2) smaller than N in the longitudinal direction and the transverse direction.

In this embodiment, the light source part 2 is inserted into the accommodating groove, the lens with the structure can be detachably mounted in the accommodating groove of the lens, the dead weight of the lens and the light source part 2 is extremely small, so that the lens and the light source part 2 can be fixed through simple insertion, and any other connecting device is not required to be arranged between the lens body 1 and the substrate 3, so that the cost is reduced, the installation and the disassembly can be completed only by pressing and pulling out, and the installation difficulty and the disassembly difficulty of the structural lens are reduced.

As shown in fig. 5 and 6, the lens provided in this embodiment further includes a plurality of second protruding portions 13, and the second protruding portions 13 are distributed in an array on a cross section of the end of the lens body 1 away from the first protruding portion 11, and are spaced from the first mounting portion 12. Through setting up a plurality of second bellying 13, and second bellying 13 is the terminal surface that array distribution kept away from first bellying 11 one end in the mirror body 1, the light source is shining on second bellying 13 back, light is through the surface refraction of second bellying 13 to in second bellying 13, and shine on first bellying 11 through the mirror body 1, convey comparatively dispersed light in the mirror body 1 more intensively, make the light that shines into the mirror body 1 more even, the display effect is improved, and reflection light between light source spare 2 and second bellying 13 can also be absorbed once more by second bellying 13 and refract and get into in the mirror body 1, the light utilization ratio is improved, the display effect is further improved. The array type and the number of the second protruding portions 13 in the lens with the above structure are both referred to the array type and the number of the second protruding portions 13 selected by the first protruding portions 11, and are not repeated due to the consistent principle, and it should be mentioned that the second protruding portions 13 are not disposed at the positions where the first mounting portions 12 are disposed because the first mounting portions 12 are disposed on the end surface and the first mounting portions 12 are used for mounting the light source device 2.

As shown in fig. 1 to 5, the lens provided in this embodiment further includes a plurality of light guide structures 14, the light guide structures 14 and the first protruding portions 11 are disposed at intervals, and the light guide structures 14 are grooves with arcuate cross sections. The lens of above-mentioned structure, after light jets out through the mirror body 1, by the external partial light that reflects shine on light-directing structure 14 to through light-directing structure 14 refraction again with among the leading-in mirror body 1 of light, realize the high-efficient recycle of light, the light that leads in mirror body 1 through light-directing structure 14 is outwards shone through mirror body 1 and first bellying 11 once more, has further improved above-mentioned structural lens's display effect.

Specifically, in the present embodiment, the light guide structure 14 is disposed in the array gap of the first protrusion 11 array, and in the preferred scheme of the square array first protrusion 11 adopted in the present embodiment, the light guide structure 14 is a straight groove whose longitudinal direction and transverse direction are both N-1 (N is greater than 1) and whose cross section is arcuate.

Example 2

The present embodiment provides a light emitting device, as shown in fig. 7 to 13, including the lens provided in embodiment 1, further including a substrate 3 and a light source device 2, wherein the light source device 2 is disposed on a cross section of the substrate 3, and the light source device 2 is adapted to be electrically connected to an external power source. The light emitting device with the structure adopts the lens provided in the embodiment 1, and the lens has better display effect and light utilization rate, so that the display effect of the light emitting device in the embodiment is improved, and the display effect of the light emitting device with the structure is further improved because the light utilization rate of the lens is higher.

In the light emitting device provided in this embodiment, as shown in fig. 7 and 8, the light source units 2 are distributed in an array and are disposed in cooperation with the first installation portion 12, so that the light source units 2 are all installed in the first installation portion 12. Here, the arrangement of the light source 2 may be as follows as the arrangement of the first mounting portion 12 in embodiment 1, and the principle is consistent and will not be described in detail.

As shown in fig. 8 to 13, the light emitting apparatus provided in this embodiment further includes a second mounting portion 4, the second mounting portion 4 is disposed on the other end surface of the substrate 3 where the light source device 2 is disposed, and the second mounting portion 4 is suitable for being detachably connected to an external device. Through the contralateral setting at base plate 3 installation light source 2 can dismantle the second installation department 4 of being connected with external equipment, can be so that the illuminator of above-mentioned structure can save the manpower when installing in equipment such as lamp house, merchant show. Specifically, in this embodiment, the substrate 3 is made of an aluminum substrate 3, although the aluminum substrate 3 is only a preferred embodiment of this embodiment, the aluminum substrate 3 has a small density, a light weight, and a good light reflection effect, and is favorable for improving the utilization rate of light. In order to further improve the utilization rate of light, white ink may be applied to the end surface of the end where the light source element 2 is basically disposed to improve the light reflectivity of the substrate 3, so as to achieve a higher utilization rate of light and improve the display effect of the light emitting device with the above structure.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. The lens is characterized by comprising a lens body (1), wherein any end face of the lens body (1) is provided with a plurality of first protruding portions (11), the first protruding portions (11) are distributed in an array mode, each first protruding portion (11) comprises a waist portion (112) and a crown portion (111), the waist portion (112) is in a table body shape, the crown portion (111) is in a segment shape, the bottom face of the table body of the waist portion (112) is connected with the end face of the lens body (1), the bottom face of the segment of the crown portion (111) is connected with the end face, far away from one end of the lens body (1), of the waist portion (112), of the lens body, and the lens is suitable for being arranged at one end, emitting light, of a light source piece (2) so that the light can pass through the lens.

2. The lens according to claim 1, further comprising a plurality of first mounting portions (12), wherein the first mounting portions (12) are distributed in an array on an end surface of the lens body (1) far away from one end of the first protruding portion (11), and the first mounting portions (12) are suitable for mounting the light source element (2).

3. Lens according to claim 2, characterized in that the first mounting part (12) is a receiving recess.

4. The lens according to claim 3, further comprising a plurality of second protrusions (13), wherein the second protrusions (13) are distributed in an array on an end surface of the lens body (1) far away from one end of the first protrusion (11) and spaced from the first mounting portion (12).

5. The lens of claim 1, further comprising a plurality of light guide structures (14), wherein the light guide structures (14) are spaced apart from the first protrusions (11), and the light guide structures (14) are grooves having an arcuate cross section.

6. A light-emitting device comprising the lens according to any one of claims 1 to 5.

7. The light-emitting device according to claim 6, further comprising a substrate (3) and a light source element (2), wherein the light source element (2) is disposed on any end surface of the substrate (3), and the light source element (2) is adapted to be electrically connected to an external power source.

8. The lighting device as claimed in claim 7, wherein the light source element (2) is detachably connected to the first mounting portion (12).

9. The lighting device according to claim 8, wherein the light source units (2) are distributed in an array and are disposed in cooperation with the first mounting portion (12) such that the light source units (2) are mounted in the first mounting portion (12).

10. The light-emitting device according to claim 8, further comprising a second mounting portion (4), wherein the second mounting portion (4) is disposed on the other end face of the substrate (3) on which the light source element (2) is disposed, and the second mounting portion (4) is adapted to be detachably connected to an external device.

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