CN217875679U - Lens, optical module and lighting lamp - Google Patents

Abstract

The utility model relates to the field of lighting technology, the utility model provides a lens, optical module and illumination lamps and lanterns, lens are equipped with the income light side and are located the light-emitting side of the relative one side of income light side, it is equipped with into the light side to go into the light side, lens form first total reflection face around the mirror surface of going into the light, the light-emitting side is equipped with the first play plain noodles and the second play plain noodles that the interval set up respectively to and personally submit the second total reflection face that the angle is connected with first light-emitting, and personally submit the third total reflection face that the angle is connected with the second light-emitting, the polarisation direction of first play plain noodles and second play plain noodles is towards same direction. The light rays incident into the lens from the light incident surface can be totally reflected on the first total reflection surface so that the incident light rays can be better collected, and then the light rays are reflected or transmitted by the second total reflection surface, the first light emitting surface, the third total reflection surface and the second light emitting surface so that the light rays can only be emitted from the first light emitting surface and the second light emitting surface finally, the light can be projected to an illumination area as much as possible, and the light pollution and the light waste are reduced.

Description

Lens, optical module and lighting lamp

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a lens, optical module and illumination lamps and lanterns.

Background

At road corner, the grading lens of the lamps and lanterns that use adopts rotational symmetry's lens structure mostly, and the lens accuse light ability of this kind of structure is limited, can not with the better road surface of projecting of light on, but also can have very much light to be projected other directions to serious light pollution and light waste have been led to.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lens, optical module and illumination lamps and lanterns for the grading lens light control ability of lamps and lanterns is not enough among the solution prior art, can cause the extravagant technical problem of light pollution and light, realizes that light can project the illumination area of demand, and it is extravagant to reduce light pollution and light.

The utility model provides a lens, the relative both sides of lens are equipped with respectively and enter the light side and are located the light-emitting side of the relative one side of light side of entering, it is equipped with into the light side, lens center on the mirror surface of going into the light forms first total reflection face, the light-emitting side is equipped with the first play plain noodles and the second play plain noodles that the interval set up respectively, and with the second total reflection face that the angle is connected is personally submitted to first light-emitting, and with the second light-emitting is the third total reflection that the angle is connected, the polarisation direction orientation of first play plain noodles and second play plain noodles is same direction.

According to the utility model provides a lens, second total reflection face, first play plain noodles, third total reflection face and second play plain noodles are in the light-emitting side is the profile of tooth and distributes.

According to the utility model provides a lens, the income light side is equipped with the recess, the tank bottom surface of recess forms first income light face, the groove wall face of recess forms the second and goes into the light face.

According to the utility model provides a pair of lens, first income plain noodles is the curved surface, and follows the tank bottom surface of recess is the evagination setting to the direction of notch.

According to the utility model provides a pair of lens, the second income plain noodles is rotational symmetry's inclined plane, follows go into the direction of light-emitting side to income plain noodles side, the second income plain noodles is close to gradually the axis of first income plain noodles.

According to the utility model provides a pair of lens, first total reflection face is rotational symmetry's inclined plane, follows go into the direction of light-emitting side to light-emitting side, first total reflection face is kept away from gradually the axis of first income plain noodles.

According to the utility model provides a pair of lens, first play plain noodles and second play plain noodles are plane or curved surface.

According to the utility model provides a pair of lens, lens include the lens that adopts one of them material in PC, PMMA transparent particle, transparent silica gel or optics grade glass material to make.

The utility model also provides an optical module, including an at least set of battery of lens, the battery of lens includes the lens of two aforementioned arbitrary one, every group two of battery of lens pass through the base plate and link to each other, and two the polarisation direction looks of the play plain noodles of lens is perpendicular.

The utility model also provides an illumination lamp, including light source, mount pad and aforementioned optical module, optical module the base plate passes through the spliced pole assembly and is in on the mount pad, the light source is located the mount pad, and sets up in every the income light side of lens.

The embodiment of the utility model provides a lens, optical module and illumination lamps and lanterns, set up the income plain noodles at lens and make the light that the light source sent can incide the lens from going into the plain noodles in, the first total reflection face on the lens can carry out the total reflection to incident light, so that what incident light can be better collects, then utilize the second total reflection face, first play plain noodles, third total reflection face and second play plain noodles come to carry out the total reflection or transmit to the light, can make light finally can only follow first play plain noodles and second play plain noodles and transmit out lens, because the polarisation direction of first play plain noodles and second play plain noodles is towards same direction, can make light follow same direction and carry out the outgoing, so as to play fine accuse light effect, can be as much as possible with light the demand illumination area of projecting, light pollution and light waste have been reduced.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, 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 the drawings without creative efforts.

FIG. 1 is a cross-sectional view of a lens provided by the present invention;

fig. 2 is a top view of a base plate of a lighting fixture provided by the present invention;

FIG. 3 isbase:Sub>A cross-sectional view of section A-A of FIG. 2;

fig. 4 is a cross-sectional view of the lighting fixture provided by the present invention;

fig. 5 is a light path diagram of the lens provided by the present invention;

fig. 6 is a polar light distribution curve diagram of the lens provided by the present invention;

fig. 7 is a light spot diagram of the lighting fixture provided by the present invention.

Reference numerals:

1. a lens; 2. a light incident side; 3. a light emitting side; 4. a groove; 5. a first triangular prism; 6. a second triangular prism; 7. a light source; 8. a lighting fixture; 9. a substrate; 10. a mounting seat; 11. connecting columns;

101. a first total reflection surface; 102. a second total reflection surface; 103. a first light emitting surface; 104. A third total reflection surface; 105. a second light emitting surface; 106. a first light incident surface; 107. a second light incident surface; 108. a central axis.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the 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 embodiments of 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 embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The following describes the lens of the present invention with reference to fig. 1-7, the two opposite sides of the lens 1 are respectively equipped with the light incident side 2 and the light emergent side 3 located on the opposite side of the light incident side 2, the light incident side 2 is equipped with the light incident surface, the lens 1 forms the first total reflection surface 101 around the mirror surface of the light incident surface, the light emergent side 3 is respectively equipped with the first light emergent surface 103 and the second light emergent surface 105 which are arranged at intervals, and the second total reflection surface 102 which is connected with the first light emergent surface 103 at an angle, and the third total reflection surface 104 which is connected with the second light emergent surface 105 at an angle, and the polarization directions of the first light emergent surface 103 and the second light emergent surface 105 face the same direction.

Two triangular prisms, namely a first triangular prism 5 and a second triangular prism 6, may be disposed on the light exit side 3 of the lens 1, and a second total reflection surface 102, a first light exit surface 103, a third total reflection surface 104, and a second light exit surface 105 may be formed on two sides of the first triangular prism 5 and two sides of the second triangular prism 6, respectively. And the second total reflection surface 102, the first light-emitting surface 103, the third total reflection surface 104 and the second light-emitting surface 105 formed by the first triangular prism 5 and the second triangular prism 6 are distributed in a tooth shape, so that light control can be well performed, and the polarization directions of the first light-emitting surface 103 and the second light-emitting surface 105 are ensured to face the same direction. It is understood that a side of the first triangular prism 5 remote from the second triangular prism 6 forms a second total reflection surface 102, a side of the first triangular prism 5 near the second triangular prism 6 forms a first light emitting surface 103, a side of the second triangular prism 6 near the first triangular prism 5 forms a third total reflection surface 104, and a side of the second triangular prism 6 remote from the first triangular prism 5 forms a second light emitting surface 105.

As shown in fig. 2, the edges of the first triangular prism 5 and the second triangular prism 6 may be square on the light-emitting side 3, in other embodiments of the present invention, the edges of the first triangular prism 5 and the second triangular prism 6 may be set to be circular in shape adapted to the circular table edge of the light-emitting side 2 on the light-emitting side 3.

The second total reflection surface 102 is configured to totally reflect the incident light and the reflected light of the first total reflection surface 101, the first light emitting surface 103 is configured to transmit the reflected light of the second total reflection surface 102, the third total reflection surface 104 is configured to totally reflect the incident light, the reflected light of the first total reflection surface 101, and the transmitted light incident on the first light emitting surface 103, and the second light emitting surface 105 is configured to transmit the light of the third total reflection surface 104 (including the light totally reflected by the third total reflection surface 104 and the light incident from the first light emitting surface 103 outside the third total reflection surface 104) and the reflected light of the first total reflection surface 101.

The polarization directions of the first light emitting surface 103 and the second light emitting surface 105 face the same direction, that is, after the light is transmitted from the first light emitting surface 103 and the second light emitting surface 105, the illumination directions are substantially the same, so that the light can be emitted in the same direction, a good light control effect is achieved, the light can be projected to a required illumination area as much as possible, and light pollution and light waste are reduced.

The lens 1 is particularly suitable for an LED Light source (Light-Emitting Diode), and under the condition that the current global background is in energy shortage, the LED is used as a novel solid-state Light source, has the advantages of energy saving, high efficiency, environmental protection, good control, good directionality and the like, and is widely applied to the field of illumination. By adopting the lens 1, the light control capability of the lens 1 in the road direction can be increased under the condition of not increasing the illumination cost, so that more light energy can be projected to the road illumination area, thereby playing an important role in the development of LED illumination.

The lens 1 can also be matched with Surface Mounted Devices (SMDs) with medium power or Chip On Board (COB) with high power.

Wherein, the first prism 5 and the second prism 6 of the light-emitting side 3 of lens 1 are suitable for with lens 1 integrated into one piece, can understand, can adopt this lens 1 of injection moulding process machine-shaping, make the income light side 2 of lens 1 have recess 4, and light-emitting side 3 has first prism 5 and second prism 6. The injection molding material may be one of PC (Polycarbonate), PMMA (Polymethyl methacrylate) transparent particles, transparent silica gel, or optical grade glass material. The production injection molding of the lens 1 is convenient, and the light transmission of the lens 1 is good.

As shown in fig. 1, the shapes of the first and second triangular prisms 5 and 6 forming the second total reflection surface 102, the first light-emitting surface 103, the reflection incident surface 104, and the second light-emitting surface 105 may be different, but the first light-emitting surface 103 of the first triangular prism 5 and the second light-emitting surface 105 of the second triangular prism 6 are located at corresponding sides, that is, when the first light-emitting surface 103 is located at the left side of the first triangular prism 5, the second light-emitting surface 105 is also located at the left side of the second triangular prism 6; when the first light-emitting surface 103 is located on the right side of the first triangular prism 5, the second light-emitting surface 105 is also located on the right side of the second triangular prism 6, so that the first light-emitting surface 103 and the second light-emitting surface 105 have substantially the same polarization direction, thereby achieving a good light control effect.

According to the specific requirement of the light control direction, the angles of the top angle and the bottom angle of the first triangular prism 5 and the second triangular prism 6 can be changed correspondingly, that is, according to the actual lighting requirement, the included angle between the second total reflection surface 102 and the first light-emitting surface 103, the included angle between the second total reflection surface 102 and the light-emitting side 3 end surface of the lens 1, the included angle between the first light-emitting surface 103 and the light-emitting side 3 end surface of the lens 1, the included angle between the third total reflection surface 104 and the second light-emitting surface 105, the included angle between the third total reflection surface 104 and the light-emitting side 3 end surface of the lens 1, and the included angle between the second light-emitting surface 105 and the second light-emitting surface 105 can be controlled in the production stage. And light control in different directions is met according to adjustment of all angles. Preferably, an included angle between the second total reflection surface 102 and the first light emitting surface 103 and an included angle between the second light emitting surface 105 and the second light emitting surface 105 are set to be acute angles.

The groove 4 can be arranged on the light incident side 2 of the lens 1, the surface of the groove 4 forms a light incident surface, the groove 4 is arranged on the light incident side 2 of the lens 1, the surface of the groove 4 forms a light incident surface to enable light emitted by the light source 7 to be incident into the lens 1 from the light incident surface, the first total reflection surface 101 of the lens 1 can perform total reflection on the incident light to enable the incident light to be better converged, then the second total reflection surface 102, the first light emitting surface 103, the third total reflection surface 104 and the second light emitting surface 105 of the first prism 5 and the second prism 6 are utilized to reflect or transmit the light, the light can only exit the lens 1 from the first light emitting surface 103 and the second light emitting surface 105 finally, and the transmitted light can exit along the same direction due to the fact that the polarization directions of the first light emitting surface 103 and the second light emitting surface 105 are the same, so that a good light control effect is achieved, the light can be projected to a required illumination area as much as possible, and light pollution and light waste are reduced.

Wherein, the groove bottom surface of the groove 4 forms the first light incident surface 106, the groove wall surface of the groove 4 forms the second light incident surface 107, and the light source 7 can be installed in the groove 4 or under the groove 4, so as to perform light incidence on the first light incident surface 106 and the second light incident surface 107.

The first light incident surface 106 is a curved surface, which may be a free-form curved surface, and is disposed convexly along a direction from the groove bottom to the notch of the groove 4. The second light incident surface 107 is a rotational symmetric inclined surface, that is, the second light incident surface 107 is annular and is inclined, and is similar to a circular truncated cone-shaped arc surface, wherein the second light incident surface 107 is gradually close to the central axis 108 of the first light incident surface 106 along the direction from the light incident side 2 to the light emitting side 3. The first light incident surface 106 of the curved surface can better perform subsequent light control, and then the second light incident surface 107 arranged in an inclined manner is matched, so that light can be deflected better when the lens 1 is in use, and light can be transmitted farther when the lens is out of the light.

The first total reflection surface 101 is a rotationally symmetric inclined surface, that is, the first total reflection surface 101 is annular and is obliquely arranged, and is similar to a circular truncated cone-shaped arc surface, wherein along the direction from the light incident side 2 to the light exiting side 3, the first total reflection surface 101 gradually leaves away from the central axis 108 of the first light incident surface 106, so that the optical path can be well controlled, the incident light can be well totally reflected, and the totally reflected light can be well reflected onto the second total reflection surface 102, the first light exiting surface 103, the third total reflection surface 104 and the second light exiting surface 105.

The first light emitting surface 103 and the second light emitting surface 105 are both planar or curved. That is to say, the first light emitting surface 103 may be a plane or a curved surface, the second light emitting surface 105 may be a plane or a curved surface, and when the first light emitting surface 103 and the second light emitting surface 105 are set as curved surfaces, they may be specifically free-form surfaces, and light may be emitted to a farther position during light emitting, so as to facilitate illumination. When in use, the first light emitting surface 103 and the second light emitting surface 105 are both arranged along the direction of a road.

As shown in fig. 1, the first triangular prism 5 and the second triangular prism 6 are arranged at intervals, a small section of interval surface can be left between the first triangular prism 5 and the second triangular prism 6, and the first triangular prism 5 and the second triangular prism 6 can also be arranged close to each other, that is, the first light-emitting surface 103 and the third total reflection surface 104 are connected to each other at this time.

According to the utility model provides a lens, it has rotational symmetry total reflection structure and the full emission structure of non-rotational symmetry, can regard as strong cut-off type polarisation lens for emergency lighting.

The optical module provided by the present invention is described below, and the optical module described below and the lens 1 described above can be referred to with each other, that is, in the optical module, the above-described lens 1 is adopted.

Referring to fig. 2-4, the optical module includes at least one group of lens assemblies, each group of lens assemblies includes two lenses 1, the two lenses 1 of each group of lens assemblies are connected through a substrate 9, and the polarization directions of the light emitting surfaces of the two lenses 1 are perpendicular to each other. Specifically, light can be incident into the lens 1 from the first light incident surface 106 and the second light incident surface 107, the first total reflection surface 101 of the lens 1 can perform total reflection on the incident light, so that the incident light can be better collected, then the light is reflected or transmitted by the second total reflection surface 102, the first light emitting surface 103, the third total reflection surface 104 and the second light emitting surface 105 of the first triple prism 5 and the second triple prism 6, so that the light can be finally transmitted out of the lens 1 only from the first light emitting surface 103 and the second light emitting surface 105, a good light control effect is achieved, the light can be projected to a required illumination area as much as possible, and light pollution and light waste are reduced.

The two lenses 1 are arranged, and the polarization directions of the light emitting surfaces of the two lenses 1 are perpendicular to each other, as shown in fig. 2, the installation directions of the two lenses 1 are perpendicular to each other, so that the polarization directions of the two lenses 1 are also perpendicular to each other (the polarization directions of the two lenses 1 in fig. 2 are approximately the directions of two arrows, taking the viewing angle of fig. 2 as an example, the lens 1 on the left side is polarized upward approximately, and the lens 1 on the right side is polarized leftward approximately, so that the polarization directions of the two lenses 1 are perpendicular to each other).

The optical module comprises at least one group of lens set, and when the plurality of groups of lens sets form the optical module, the plurality of lens sets can be arranged in an integrated manner, or the plurality of groups of lens sets can be arranged on the same substrate 9.

The light source 7 can be an LED light source 7, and under the condition that the current global background is in energy shortage, the LED serving as a novel solid-state light source 7 has the advantages of energy conservation, high efficiency, environmental friendliness, good control, good directionality and the like, and is widely applied to the field of illumination. The LED light source 7 is applied to the optical module, so that the light control capacity of the lens 1 in the road direction can be increased under the condition that the illumination cost is not increased, more light energy can be projected to a road demand illumination area, and the optical module plays an important role in development of LED illumination.

The Light source 7 may also be a medium power SMD (Surface Mounted Devices) or a high power COB (Chip On Board Light).

On the other hand, please continue to refer to fig. 4, the utility model also provides an illumination lamp 8, including light source 7, mount pad 10 and aforementioned optical module, optical module's base plate 9 passes through spliced pole 11 and assembles in the illumination side of mount pad 10, and the installation side of mount pad 10 can be through the fastener assembly on the wall that needs illumination area territory to play the effect of fixed illumination lamp 8, light source 7 will set up inside mount pad 10, and be in the income light side 2 of lens 1, and is concrete, and light source 7 can be installed in recess 4 or in the below of recess 4.

The light source 7 in the mounting base 10 is used for emitting light, light emitted by the light source 7 can be incident into the lens 1 from the first light incident surface 106 and the second light incident surface 107, the first total reflection surface 101 of the lens 1 can perform total reflection on the incident light, so that the incident light can be better collected, then the light is reflected or transmitted by the second total reflection surface 102, the first light emitting surface 103, the third total reflection surface 104 and the second light emitting surface 105 of the first prism 5 and the second prism 6, so that the light can only be transmitted out of the lens 1 from the first light emitting surface 103 and the second light emitting surface 105 finally, a good light control effect is achieved, the light can be projected to a required illumination area as much as possible, and light pollution and light waste are reduced.

The substrate 9 is made of a non-transparent material, and when the lighting fixture 8 emits light, the light only transmits through the first light emitting surface 103 and the second light emitting surface 105 of the two lenses 1.

When the lighting lamp 8 is used at a corner of a road, especially a corner of an indoor corridor, two outgoing light rays are formed after passing through the two lenses 1, and the two outgoing light rays can irradiate mutually perpendicular roads, that is, the first outgoing surface 103 and the second outgoing surface 105 of one lens 1 and the first outgoing surface 103 and the second outgoing surface 105 of the other lens 1 are in a perpendicular state, after the lighting lamp 8 is installed, the first outgoing surface 103 and the second outgoing surface 105 of one lens 1 can face the road on one side of the corner of the indoor corridor, and the first outgoing surface 103 and the second outgoing surface 105 of the other lens 1 can face the road on the other side of the corner of the indoor corridor, that is, each lens 1 can separately control light of each road on the corner, so that the lighting lamp 8 can be used for simultaneously lighting the roads facing both sides of the corner of the indoor corridor, and based on the excellent light control effect of the lens 1, the light rays can be transmitted to the area of the road surface needing lighting, thereby reducing light pollution on the wall surface and further improving the light utilization rate on the road, so that the lighting lamp 8 can reduce or completely eliminate light waste and light pollution outside the road.

Referring to fig. 5-7, as can be clearly seen from the optical path diagrams of the lens 1, light can only be transmitted from the first light emitting surface 103 and the second light emitting surface 105, so that the lens 1 has a good light control effect.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a lens, its characterized in that, lens (1) are equipped with income light side (2) and are located go out light side (3) of the relative one side of income light side (2), it is equipped with into the light side (2), lens (1) centers on the mirror surface formation first total reflection face (101) of going into the light, go out light side (3) and are equipped with first play plain noodles (103) and second play plain noodles (105) that the interval set up respectively, and with first play plain noodles (103) are second total reflection face (102) that the angle is connected, and with second play plain noodles (105) are third total reflection face (104) that the angle is connected, the polarisation direction of first play plain noodles (103) and second play plain noodles (105) is towards same direction.

2. The lens according to claim 1, wherein the second total reflection surface (102), the first light emitting surface (103), the third total reflection surface (104) and the second light emitting surface (105) are distributed in a tooth shape on the light emitting side (3).

3. A lens according to claim 1, characterized in that the entrance side (2) is provided with a groove (4), the groove bottom of the groove (4) forming a first entrance face (106) and the groove wall of the groove (4) forming a second entrance face (107).

4. The lens of claim 3, wherein the first light incident surface (106) is curved and convex in a direction from the groove bottom surface to the notch of the groove (4).

5. The lens of claim 4, wherein the second light incident surface (107) is a rotationally symmetric inclined surface, and the second light incident surface (107) is gradually close to the central axis (108) of the first light incident surface (106) along the direction from the light incident side (2) to the light emergent side (3).

6. The lens according to claim 4, wherein the first total reflection surface (101) is a rotationally symmetric inclined surface, and the first total reflection surface (101) gradually moves away from the central axis (108) of the first light incident surface (106) along the direction from the light incident side (2) to the light emergent side (3).

7. The lens according to claim 1, wherein the first light emitting surface (103) and the second light emitting surface (105) are both planar or curved.

8. The lens according to any of claims 1 to 7, characterized in that the lens (1) comprises a lens (1) made of one of PC, PMMA transparent particles, transparent silica gel or optical grade glass material.

9. An optical module comprising at least one set of lenses, each set of lenses comprising two lenses (1) according to any one of claims 1 to 8, the two lenses (1) of each set of lenses being connected by a substrate (9), and the polarization directions of the light exit surfaces of the two lenses (1) of each set of lenses being perpendicular.

10. An illumination lamp, characterized in that, includes light source (7), mount pad (10) and at least one optical module of claim 9, the base plate (9) of optical module pass through spliced pole (11) and assemble on mount pad (10), light source (7) are located in mount pad (10), and set up in every income light side (2) of lens (1).

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