CN210667556U - Lens and display device - Google Patents
Lens and display device Download PDFInfo
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- CN210667556U CN210667556U CN201922209402.3U CN201922209402U CN210667556U CN 210667556 U CN210667556 U CN 210667556U CN 201922209402 U CN201922209402 U CN 201922209402U CN 210667556 U CN210667556 U CN 210667556U
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- blind hole
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Abstract
The utility model is suitable for the technical field of display equipment, and provides a lens and display equipment, wherein the lens comprises a lens body, and the lens body is provided with a first side surface and a second side surface; the first side surface is provided with a first blind hole, and the second side surface is provided with a second blind hole. The two sides of the lens body are respectively provided with a first side surface for light to enter and a second side surface for light to exit, the first side surface is provided with a first blind hole for the lamp bead to extend into, the diameter of the first blind hole is gradually reduced along the direction from the first side surface to the second side surface, namely, the inner side surface of the first blind hole is obliquely arranged, so that the first refraction of the light is facilitated; the diameter of the second blind hole is gradually reduced along the direction of the second side surface towards the first side surface, namely, the inner side surface of the second blind hole is obliquely arranged, so that the second refraction of light rays is facilitated. Therefore, through double refraction of the inner side wall of the first blind hole and the inner side wall of the second blind hole, light emitted from the second side face can be uniform, and the illumination effect is good.
Description
Technical Field
The utility model belongs to the technical field of display device, more specifically say, relate to a lens and use display device of this lens.
Background
At present, the direct type backlight module is superior to the side type backlight module in the aspects of cost, manufacturing stability and the like, and is accepted by television manufacturers and consumers.
However, the direct type backlight module is provided with a plurality of light bars directly on one side of the reflector plate, and light rays emitted by the light bars directly irradiate on the reflector plate. However, the structural design of the direct type backlight module has the following disadvantages: in order to achieve a good display effect, a plurality of luminous lamp beads are needed to meet the illumination requirement, so that the quantity of the lamp beads is large, the cost is high, and the phenomena of high local brightness, uneven light emitting of the reflector plate and the like can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lens to it is big, with high costs to solve the lamp pearl use amount that exists among the prior art, and the poor problem of illumination effect.
In order to achieve the above object, the utility model adopts the following technical scheme: providing a lens, which comprises a lens body, wherein the lens body is provided with a first side surface and a second side surface, the first side surface is used for allowing light rays to enter and the second side surface is used for allowing light rays to exit, the first side surface is positioned on one side of the lens body, and the second side surface is positioned on the other side of the lens body; the lens body is provided with a first blind hole for the lamp bead to extend into on the first side surface, the diameter of the first blind hole is gradually reduced along the direction of the first side surface towards the second side surface, the lens body is provided with a second blind hole on the second side surface, and the diameter of the second blind hole is gradually reduced along the direction of the second side surface towards the first side surface.
Further, the diameter of the open end of the second blind hole is larger than the diameter of the open end of the first blind hole.
Further, the depth of the second blind hole is greater than the depth of the first blind hole.
Further, the lens body comprises a base, a top seat and a middle seat arranged between the base and the top seat, the first blind hole is formed in the base, and the second blind hole is formed in the top seat.
Furthermore, the end part of the first blind hole far away from the open end of the first blind hole extends into the middle seat, the end part of the second blind hole far away from the open end of the second blind hole extends into the middle seat, and the end part of the first blind hole far away from the open end of the first blind hole and the end part of the second blind hole far away from the open end of the second blind hole are arranged at intervals.
Further, the cross-sectional area of the middle seat gradually decreases from the first side surface to the second side surface.
Furthermore, a plurality of mounting guide pillars are mounted on the side surface of the base, which is far away from the middle seat, and the mounting guide pillars are arranged around the first blind hole.
Furthermore, an annular groove is formed in the side face, away from the middle seat, of the base, and the annular groove is formed between the first blind hole and the installation guide pillar.
Further, the height of each mounting guide pillar is greater than the depth of the annular groove.
Another object of the present invention is to provide a display device, including the above lens.
The utility model provides a lens and display device's beneficial effect lies in: compared with the prior art, the two sides of the lens body of the utility model are respectively provided with a first side surface for light incidence and a second side surface for light emergence, and the first side surface is provided with a first blind hole for the lamp bead to extend into, the diameter of the first blind hole is gradually reduced along the direction from the first side surface to the second side surface, namely, the inner side surface of the first blind hole is obliquely arranged, so that the first refraction of light is facilitated; the diameter of the second blind hole is gradually reduced along the direction of the second side surface towards the first side surface, namely, the inner side surface of the second blind hole is obliquely arranged, so that the second refraction of light rays is facilitated. Therefore, through double refraction of the inner side wall of the first blind hole and the inner side wall of the second blind hole, light emitted from the second side face can be uniform, and the illumination effect is good.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic front structural view of a lens according to an embodiment of the present invention;
fig. 2 is a schematic back structure diagram of a lens according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a lens according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a lens according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1-a lens body; 11-a base; 12-a middle seat; 121-ring-shaped groove; 122-a convex portion; 13-a top seat;
2-a first side; 3-a second side; 4-a first blind hole; 5-a second blind hole; 6, installing a guide pillar; 7-annular groove.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
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; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows:
referring to fig. 1 to fig. 3, a lens according to a first embodiment of the present invention will be described. The lens comprises a lens body 1, wherein the lens body 1 is provided with a first side surface 2 for light to enter and a second side surface 3 for light to exit, the first side surface 2 is positioned on one side of the lens body 1, and the second side surface 3 is positioned on the other side of the lens body 1; lens body 1 offers the first blind hole 4 that is used for supplying the lamp pearl to stretch into on first side 2, and the diameter of first blind hole 4 reduces gradually along first side 2 towards the direction of second side 3, and lens body 1 has seted up second blind hole 5 on second side 3, and the diameter of second blind hole 5 reduces gradually along the direction of second side 3 towards first side 2. The side walls of the first blind holes 4 form the first side surface 2 and the side walls of the second blind holes 5 form the second side surface 3.
Optionally, the cross sections of the first blind hole 4 and the second blind hole 5 are both triangular, and the side walls of the first blind hole 4 and the second blind hole 5 are both inclined planes, so that reflection and refraction of light rays can be realized. In other embodiments, the cross-sections of the first blind hole 4 and the second blind hole 5 may have other configurations, which is not limited herein.
Compared with the prior art, the lens provided by the embodiment of the utility model has the advantages that the two sides of the lens body 1 are respectively provided with the first side surface 2 for light ray injection and the second side surface 3 for light ray injection, the first blind hole 4 for lamp bead to extend into is arranged on the first side surface 2, the diameter of the first blind hole 4 is gradually reduced along the direction from the first side surface 2 to the second side surface 3, namely, the inner side surface of the first blind hole 4 is obliquely arranged, so that the first refraction of the light rays is facilitated; the diameter of the second blind hole 5 is gradually reduced towards the first side surface 2 along the second side surface 3, namely, the inner side surface of the second blind hole 5 is obliquely arranged, so that the light can be refracted for the second time conveniently. Therefore, through the double refraction of the inner side wall of the first blind hole 4 and the inner side wall of the second blind hole 5, the light emitted from the second side surface 3 is uniform, and the illumination effect is good.
Further, referring to fig. 3, as a specific implementation of the lens according to the first embodiment of the present invention, the diameter of the open end of the second blind hole 5 is larger than the diameter of the open end of the first blind hole 4. Optionally, the cross section of the first blind hole 4 has two inclined surfaces, and the included angle between the two inclined surfaces can range from 120 ° to 180 °, and is preferably 160 °; the cross section of the second blind hole 5 has two inclined surfaces, the included angle between which may range from 60 ° to 120 °, preferably 90 °, without being limited thereto. With the structure, the area of the second side surface 3 can be ensured to be larger than that of the first side surface 2, so that the irradiation range of light can be enlarged, and the illumination effect of the display device can be improved.
Further, referring to fig. 3, as a specific implementation of the lens according to an embodiment of the present invention, the depth of the second blind hole 5 is greater than the depth of the first blind hole 4. The structure is convenient for the light to irradiate the second side surface 3 after being reflected or refracted by the first side surface 2 and to be emitted after being reflected or refracted by the second side surface 3, thereby increasing the illumination intensity and improving the display effect of the display device. In other embodiments, the depths of the second blind hole 5 and the first blind hole 4 can also be adjusted according to actual needs, and are not limited herein.
Further, please refer to fig. 1 and fig. 3 together, as a specific implementation manner of the lens according to an embodiment of the present invention, the lens body 1 includes a base 11, a top seat 13, and a middle seat 12 disposed between the base 11 and the top seat 13, the first blind hole 4 is disposed on the base 11, and the second blind hole 5 is disposed on the top seat 13. Alternatively, the base 11, the middle seat 12 and the top seat 13 may be integrally formed, and are not limited herein. With the structure, after the light is emitted through the base 11, the light can be reflected or refracted through the base 11, the middle base 12 and the top base 13 in sequence, so that the light emitted from the second side surface 3 is uniform and consistent, and the display effect of the display device is improved.
Further, please refer to fig. 3 together, as a specific implementation manner of the lens according to an embodiment of the present invention, an end portion of the first blind hole 4 far away from the open end of the first blind hole 4 extends into the middle base 12, an end portion of the second blind hole 5 far away from the open end of the second blind hole 5 extends into the middle base 12, and an end portion of the first blind hole 4 far away from the open end of the first blind hole 4 and an end portion of the second blind hole 5 far away from the open end of the second blind hole 5 are spaced apart from each other. With the structure, the light ray incident from the first side surface 2 can be reflected or refracted by the middle base 12 and then emitted from the second side surface 3, and the light ray reflected or refracted by the middle base 12 is uniform, so that the display effect of the display device can be improved.
Further, referring to fig. 3, as a specific implementation of the lens according to an embodiment of the present invention, the cross-sectional area of the middle base 12 is gradually decreased from the first side surface 2 to the second side surface 3. This structure, the outer peripheral surface of well seat 12 is outside convex arcwall face to the direction of illumination of adjustable light can be with the light reflection or refraction to the second side 3 of kicking into from first side 2, thereby improves the light intensity of 3 light-emittings from the second side, and then improves display device's display effect.
Further, please refer to fig. 2 together, as a specific implementation manner of the lens provided in the embodiment of the present invention, a plurality of mounting guide pillars 6 are installed on a side surface of the base 11 departing from the middle base 12, and the mounting guide pillars 6 are disposed around the first blind hole 4. This structure can realize the location installation to lens through installation guide pillar 6 for lens's simple to operate is swift.
Further, please refer to fig. 2 together, as a specific implementation manner of the lens provided in the embodiment of the present invention, an annular groove 7 is formed on a side surface of the base 11 away from the middle seat 12, and the annular groove 7 is disposed between the first blind hole 4 and the mounting guide post 6. In the structure, the annular groove 7 is arranged to prevent part of light emitted by the light emitting source from being emitted from the bottom surface of the base 11, and the annular groove 7 can reflect or refract the light into the lens body 1, so that the light emitting effect is improved.
Further, referring to fig. 3, as a specific implementation of the lens provided in the embodiment of the present invention, the height of each mounting post 6 is greater than the depth of the annular groove 7. With the structure, when the mounting guide post 6 is mounted on the aluminum substrate, a part of machining allowance is reserved, so that the lens can be conveniently mounted and fixed, the bottom surface of the base 11 is attached to the plane of the aluminum substrate as far as possible, and the loss of light is reduced. In other embodiments, the height of the mounting guide post 6 and the depth of the annular groove 7 can be adjusted according to actual needs, and are not limited herein.
Example two:
referring to fig. 4, a lens according to a second embodiment of the present invention will be described. The lens provided by the second embodiment is different from the lens provided by the first embodiment in that: the annular groove 121 is formed along the periphery of the middle seat 12, the bottom surface of the annular groove 121 is provided with a convex portion 122 protruding upwards, the cross section of the convex portion 122 is triangular, and the convex portion 122 is provided with two inclined planes and can be used for refracting light rays in different directions, so that the refraction effect of the light rays is improved, and the display effect of the display device is further improved. Other structures are the same as the corresponding structures of the first embodiment, and are not described in detail herein.
The utility model also provides a display device, including foretell lens.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A lens, characterized by: the lens comprises a lens body, wherein the lens body is provided with a first side surface for allowing light rays to enter and a second side surface for allowing the light rays to exit, the first side surface is positioned on one side of the lens body, and the second side surface is positioned on the other side of the lens body; the lens body is provided with a first blind hole for the lamp bead to extend into on the first side surface, the diameter of the first blind hole is gradually reduced along the direction of the first side surface towards the second side surface, the lens body is provided with a second blind hole on the second side surface, and the diameter of the second blind hole is gradually reduced along the direction of the second side surface towards the first side surface.
2. The lens of claim 1, wherein: the diameter of the open end of the second blind hole is larger than the diameter of the open end of the first blind hole.
3. The lens of claim 1, wherein: the depth of the second blind hole is greater than the depth of the first blind hole.
4. The lens of claim 1, wherein: the lens body comprises a base, a top seat and a middle seat arranged between the base and the top seat, wherein the first blind hole is formed in the base, and the second blind hole is formed in the top seat.
5. The lens of claim 4, wherein: the end part of the first blind hole far away from the open end of the first blind hole extends into the middle base, the end part of the second blind hole far away from the open end of the second blind hole extends into the middle base, and the end part of the first blind hole far away from the open end of the first blind hole and the end part of the second blind hole far away from the open end of the second blind hole are arranged at intervals.
6. The lens of claim 4, wherein: the cross-sectional area of the middle seat gradually decreases from the first side surface to the second side surface.
7. The lens of claim 4, wherein: and a plurality of mounting guide pillars are mounted on the side surface of the base, which deviates from the middle seat, and the mounting guide pillars are arranged around the first blind hole.
8. The lens of claim 7, wherein: an annular groove is formed in the side face, away from the middle seat, of the base, and the annular groove is formed between the first blind hole and the installation guide pillar.
9. The lens of claim 8, wherein: the height of each mounting guide pillar is greater than the depth of the annular groove.
10. A display device, characterized in that: comprising a lens according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922209402.3U CN210667556U (en) | 2019-12-10 | 2019-12-10 | Lens and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922209402.3U CN210667556U (en) | 2019-12-10 | 2019-12-10 | Lens and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210667556U true CN210667556U (en) | 2020-06-02 |
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ID=70810279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922209402.3U Active CN210667556U (en) | 2019-12-10 | 2019-12-10 | Lens and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210667556U (en) |
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2019
- 2019-12-10 CN CN201922209402.3U patent/CN210667556U/en active Active
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