CN217057413U - Anti-light-channeling conjoined lens and light-emitting module - Google Patents
Anti-light-channeling conjoined lens and light-emitting module Download PDFInfo
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- CN217057413U CN217057413U CN202220517878.2U CN202220517878U CN217057413U CN 217057413 U CN217057413 U CN 217057413U CN 202220517878 U CN202220517878 U CN 202220517878U CN 217057413 U CN217057413 U CN 217057413U
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Abstract
The utility model discloses an anti-channeling optical connection lens, including body and light-absorbing layer, the body is equipped with income light side reference surface and light-emitting side reference surface, the body includes at least two lens units, the lens unit is formed with light-emitting part at the light-emitting side reference surface, is formed with light-emitting part at the light-emitting side reference surface; a groove concavely arranged on the light-emitting side reference surface is formed between every two adjacent lens units; except the light emergent part and the light incident part, the surface of the body is coated by the light absorption layer; or the surface of the body is coated by the light absorption layer except the light emergent part, the light incident part and the groove bottom of the groove. Furthermore, the utility model also discloses a light-emitting module. The utility model discloses can avoid outside light to the interference of adjacent lens unit, promote and show the uniformity.
Description
Technical Field
The utility model relates to an illumination assembly technical field especially relates to an anti-channeling light connector lens and light emitting module.
Background
In the conventional conjoined lens, the connection of the light emergent parts of the adjacent lenses is to directly connect the edges of the two light emergent parts through a plane connecting part. However, when the conjoined lens with such a structure is used, the problem of inconsistent brightness is easy to occur.
As shown in fig. 1, since external light enters the lens B through the lens a at a large incident angle, but light entering the lens B at the same incident angle is absorbed by the light absorbing layer C on the sidewall, the brightness of the lens B is not uniform with that of the lens a in the middle area. When assembled into a module, macroscopically, each lens edge in the display forms a bright and dark line, which is fatal to a display panel with very strict display uniformity requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a prevent scurrying light connector lens is provided, avoids outside light to the interference of adjacent lens unit, promotes and shows the uniformity.
The utility model aims to solve the technical problem that a light emitting module is provided, promote and show the uniformity.
In order to solve the technical problem, the utility model provides an anti-channeling optical connection lens, which comprises a body and a light absorption layer,
the body is provided with a light inlet side reference surface and a light outlet side reference surface, the body comprises at least two lens units, the lens units are provided with light outlet parts on the light outlet side reference surface, and light inlet parts are formed on the light inlet side reference surface;
a groove concavely arranged on the reference surface of the light emergent side is formed between every two adjacent lens units;
except the light emergent part and the light incident part, the surface of the body is coated by the light absorption layer; or
Except the light outlet part, the light inlet part and the groove bottom of the groove, the surface of the body is coated by the light absorption layer.
As an improvement of the above, light incident from the light-exiting portion to an adjacent lens unit is absorbed by the light-absorbing layer of the groove or the light-absorbing layer of the light-entering side reference surface.
In an improvement of the above scheme, a protrusion protruding from the reference surface on the light incident side is formed between two adjacent lens units.
As an improvement of the above, light incident from the light-emitting portion toward an adjacent lens unit is absorbed by the light-absorbing layer of the groove, or the light-absorbing layer of the convex surface.
As an improvement of the above aspect, the light exit portion protrudes toward the light exit-side reference surface.
In an improvement of the above aspect, the light incident portion is provided with a light guide pillar protruding toward the light incident side reference surface.
As an improvement of the scheme, the light guide column and the body are integrally formed.
As an improvement of the above scheme, the light absorbing layer is formed by spraying or adsorbing a black material on the surface of the body.
Furthermore, the utility model also provides a light emitting module, it includes the light source and the aforesaid prevents scurrying light and even body lens, the light emitting area of light source is just right go into light portion.
Implement the utility model discloses, following beneficial effect has:
the utility model provides a prevent scurrying light disjunctor lens, through setting up the sunken recess of side reference surface to the light-emitting between two adjacent lens units, and set up the light-absorption layer at the body surface except light-emitting portion and income light-emitting portion, perhaps except light-emitting portion, body surface outside light-emitting portion and the groove bottom sets up the light-absorption layer, the outside light interference that gets into this lens unit from light-emitting portion can be reduced on the one hand on the coated light-absorption layer, thereby make the contrast of disjunctor lens improve, on the other hand can avoid the light that gets into from light-emitting portion to jet into adjacent lens unit, cause mutual interference, avoided scurrying in the light-induced display screen each lens edge production one bright dark line, can promote and show the uniformity.
Drawings
FIG. 1 is a schematic view of a prior art conjoined lens;
fig. 2 is a schematic view of an embodiment of an anti-channeling optical coupler lens according to the present invention;
fig. 3 is a schematic view of another embodiment of the optical crosstalk preventing conjoined lens according to the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 2, the utility model provides an embodiment of an anti-channeling light connected lens, including body 1 and light-absorbing layer 2, body 1 is equipped with income light side reference surface 11 and light-emitting side reference surface 12, body 1 includes at least two lens units, the lens unit is in light-emitting side reference surface 12 is formed with light-emitting portion 121, light-emitting side reference surface 11 is formed with light-entering portion 111; a groove 122 concavely arranged on the light-emitting side reference surface 12 is formed between two adjacent lens units; except for the light outlet part 121, the light inlet part 111 and the groove bottom a of the groove 122, the surface of the body 1 is coated by the light absorption layer 2.
In this embodiment, a groove 122 recessed toward the light-emitting-side reference surface 12 is formed between two adjacent lens units, and the light absorbing layer 2 is formed on the surface of the body 1 except the light-emitting portion 121, the light-entering portion 111, and the groove bottom a of the groove 122, that is, the groove wall b of the groove 122 is also covered by the light absorbing layer 2.
The external light entering the lens unit from the light exit portion 121 is absorbed by the light absorbing layer 2, mainly by the light absorbing layer 2 of the light entrance side reference surface 11, so that the interference of the external light can be reduced, and the contrast of the integrated lens assembled into the light emitting module is improved.
The light incident from the light-exiting portion 121 into the adjacent lens unit is absorbed by the light-absorbing layer 2 and cannot be directly incident into the adjacent lens unit. The light emitted from the light emitting part 121 into the adjacent lens unit is mainly absorbed by the light absorbing layer 2 coated by the groove wall b of the groove 122, so that the phenomenon that the light is mixed between the adjacent lens units to cause the edge of each lens in the display screen to generate a bright and dark line is avoided, and the display consistency of the light emitting module can be improved.
In this embodiment, a protrusion 112 protruding from the light incident side reference surface 11 is preferably formed between two adjacent lens units, so as to reduce the thickness difference of the injection molding of the lens body 1, and facilitate the molding of the lens body 1.
In the case where the projection 112 is provided on the light entrance-side reference surface 11, the external light entering the lens unit from the light exit portion 121 is absorbed by the light absorbing layer 2, mainly by the light absorbing layer 2 entering the surface of the projection 112, so that the interference of the external light can be reduced, and the contrast after the integrated lens is assembled into the light emitting module can be improved.
The light emitting part 121 protrudes toward the light emitting side reference surface 12 to improve the light transmission effect of the conjoined lens.
The light incident portion 111 is provided with a light guide pillar protruding toward the light incident side reference surface 11 for guiding light emitted from the light source into the lens unit. The light guide column and the body 1 are integrally formed.
The light absorbing layer 2 of the present embodiment is formed by spraying or adsorbing a black material on the surface of the body 1.
As shown in fig. 3, the present invention further provides another embodiment of an anti-channeling optical connection lens, including a body 1 and a light absorption layer 2, where the body 1 is provided with a light incident side reference surface 11 and a light emergent side reference surface 12, the body 1 includes at least two lens units, the lens units are formed with a light emergent portion 121 on the light emergent side reference surface 12, and a light incident portion 111 is formed on the light incident side reference surface 11; a groove 122 concavely arranged on the light-emitting side reference surface 12 is formed between two adjacent lens units; except the light emergent portion 121 and the light incident portion 111, the surface of the body 1 is coated by the light absorbing layer 2.
In this embodiment, a groove 122 recessed toward the light-emitting-side reference surface 12 is disposed between two adjacent lens units, and a light-absorbing layer 2 is disposed on the surface of the body 1 except the light-emitting portion 121 and the light-entering portion 111, that is, a groove wall b and a groove bottom a of the groove 122 are also covered by the light-absorbing layer 2.
The external light entering the lens unit from the light exit portion 121 is absorbed by the light absorbing layer 2, mainly by the light absorbing layer 2 of the light entrance side reference surface 11, so that the interference of the external light can be reduced, and the contrast of the integrated lens assembled into the light emitting module is improved.
The light emitted from the light emitting part 121 into the adjacent lens unit is absorbed by the light absorbing layer 2, mainly by the light absorbing layer 2 coated by the groove wall b of the groove 122, so that the phenomenon that the light is mixed between the adjacent lens units to cause the edge of each lens in the display screen to generate a bright and dark line is avoided, and the display consistency of the light emitting module can be improved.
The light absorption layer 2 coated on the groove bottom a of the groove 122 can absorb the external light for the second time, thereby further reducing the interference of the external light.
In this embodiment, a protrusion 112 protruding from the light incident side reference surface 11 is preferably formed between two adjacent lens units, so as to reduce the thickness difference of the injection molding of the lens body 1, and facilitate the molding of the lens body 1.
In the case where the protrusion 112 is provided on the light entrance-side reference surface 11, the external light entering the lens unit from the light exit portion 121 is absorbed by the light absorbing layer 2, mainly by the light absorbing layer 2 entering the surface of the protrusion 112, so that the interference of the external light can be reduced, and the contrast of the integrated lens after being assembled into the light emitting module can be improved.
The light-emitting portion 121 protrudes toward the light-emitting side reference surface 12 to improve the light-transmitting effect of the conjoined lens.
The light incident portion 111 is provided with a light guide column protruding toward the light incident side reference surface 11 for guiding light emitted from the light source into the lens unit. The light guide column and the body 1 are integrally formed.
The light absorbing layer 2 of the present embodiment is formed by spraying or adsorbing a black material on the surface of the body 1.
Furthermore, the utility model also discloses a light emitting module, it includes light source 3, face guard 4 and the aforesaid prevents scurrying light and even body lens, the light emitting area of light source 3 is just right go into light portion 111, the face guard cover in on the light-absorbing layer 2 of light-emitting side reference surface 12. The utility model discloses a light emitting module has weakened the interference of the outside light that gets into the lens unit to this lens unit and adjacent lens unit greatly, and light emitting module's demonstration uniformity is good.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (9)
1. An anti-channeling optical connection lens is characterized in that the lens comprises a body and a light absorption layer,
the body is provided with a light inlet side reference surface and a light outlet side reference surface, the body comprises at least two lens units, the lens units are provided with light outlet parts on the light outlet side reference surface, and light inlet parts are formed on the light inlet side reference surface;
a groove concavely arranged on the reference surface of the light emergent side is formed between every two adjacent lens units;
except the light emergent part and the light incident part, the surface of the body is coated by the light absorption layer; or
Except the light outlet part, the light inlet part and the groove bottom of the groove, the surface of the body is coated by the light absorption layer.
2. The optical crosstalk preventive conjoined lens as claimed in claim 1, wherein the light incident from said light-emitting portion to the adjacent lens unit is absorbed by the light absorbing layer of said groove or the light absorbing layer of said light-incident side reference surface.
3. The optical coupling body lens according to claim 1 or 2, wherein a projection provided to project from the light entrance side reference surface is formed between adjacent two lens units.
4. The optical coupling body lens according to claim 3, wherein light incident from said light-emitting portion toward an adjacent lens unit is absorbed by the light-absorbing layer of said groove, or the light-absorbing layer of said convex surface.
5. The optical crosstalk prevention conjoined lens according to claim 1, wherein the light exit portion protrudes toward the light exit side reference surface.
6. The optical crosstalk prevention conjoined lens of claim 1, wherein the light incident portion is provided with a light guide pillar protruding toward the light incident side reference surface.
7. The light-channeling-preventing conjoined lens of claim 6, wherein the light guide pole is integrally formed with the body.
8. The optical crosstalk prevention conjoined lens of claim 1, wherein the light absorbing layer is formed by spraying a black material or adsorbing the black material on the surface of the body.
9. A light emitting module comprising a light source and the anti-channeling optical connector lens according to any one of claims 1 to 8, a light emitting surface of the light source facing the light incident portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220517878.2U CN217057413U (en) | 2022-03-09 | 2022-03-09 | Anti-light-channeling conjoined lens and light-emitting module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220517878.2U CN217057413U (en) | 2022-03-09 | 2022-03-09 | Anti-light-channeling conjoined lens and light-emitting module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217057413U true CN217057413U (en) | 2022-07-26 |
Family
ID=82490113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220517878.2U Active CN217057413U (en) | 2022-03-09 | 2022-03-09 | Anti-light-channeling conjoined lens and light-emitting module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217057413U (en) |
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2022
- 2022-03-09 CN CN202220517878.2U patent/CN217057413U/en active Active
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