CN204285310U - Optical lens, lamp bar and down straight aphototropism mode set - Google Patents
Optical lens, lamp bar and down straight aphototropism mode set Download PDFInfo
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- CN204285310U CN204285310U CN201420699027.XU CN201420699027U CN204285310U CN 204285310 U CN204285310 U CN 204285310U CN 201420699027 U CN201420699027 U CN 201420699027U CN 204285310 U CN204285310 U CN 204285310U
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- optical lens
- bulge
- arc convex
- lamp bar
- mode set
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Abstract
The utility model discloses a kind of optical lens, lamp bar and down straight aphototropism mode set, the end face that described optical lens comprises bottom surface and is oppositely arranged with described bottom surface, arc convex is formed with to described optical lens indent in the middle part of described bottom surface, described arc convex is incidence surface, described end face is exiting surface, and at least side of described bottom surface is provided with the diffusing structure for carrying out scattering to light.Optical lens of the present utility model, lamp bar and down straight aphototropism mode set, by arranging diffusing structure on the bottom surface of optical lens, the light being entered into optical lens inside by described incidence surface is reflected further, with this by divergence of beam, and then ensure that the uniformity of the light penetrated by described exiting surface.
Description
Technical field
The utility model relates to display field, particularly relates to a kind of optical lens, lamp bar and down straight aphototropism mode set.
Background technology
Liquid crystal indicator (LCD, Liquid Crystal Display) has that fuselage is thin, power saving, the many merits such as radiationless, be widely used.Liquid crystal indicator major part on existing market is backlight liquid crystal indicator, and it comprises liquid crystal panel and backlight module (backlight module).The operation principle of liquid crystal panel places liquid crystal molecule in the middle of the glass substrate that two panels is parallel, there is the tiny electric wire of many vertical and levels in the middle of two panels glass substrate, change direction by whether being energized to control liquid crystal molecule, the light refraction of backlight module is out produced picture.Because liquid crystal panel itself is not luminous, the light source provided by backlight module is needed to carry out normal show image, therefore, one of backlight module key part and component becoming liquid crystal indicator.Backlight module is divided into side entrance back module and down straight aphototropism mode set two kinds according to the difference of light source incidence position.Down straight aphototropism mode set is by backlight such as CCFL (Cold CathodeFluorescent Lamp, cathodouminescence fluorescent tube) or LED (Light Emitting Diode light emitting diode) be arranged on liquid crystal panel rear, direct forming surface light source is supplied to liquid crystal panel.
The diffuser plate that existing down straight aphototropism mode set generally comprises backboard, is located at the backlight on backboard and is located at above described backlight, described backlight comprises several lamp bars, each lamp bar comprises circuit board, installation the LED being electrically connected at described circuit board and the optical lens be located at above described LED, described optical lens makes uniform light by mixed light, and then ensures the illumination uniformity of backlight.
But along with the appearance of high-powered LED lamp, under same brightness requires, a number of required LED is fewer and feweri, and after LED quantity reduces, traditional optical lens can not effectively meet the requirement that light is mixed, and have impact on the effect of product.
Utility model content
Main purpose of the present utility model is to provide a kind of optical lens, lamp bar and down straight aphototropism mode set, is intended to solve existing optical lens and can not effectively meets the technical problem that light is mixed.
For achieving the above object, the utility model provides a kind of described optical lens, the end face that described optical lens comprises bottom surface and is oppositely arranged with described bottom surface, arc convex is formed with to described optical lens indent in the middle part of described bottom surface, described arc convex is incidence surface, described end face is exiting surface, and at least side of described bottom surface is provided with the diffusing structure for carrying out scattering to light.
Preferably, described diffusing structure comprises by the bulge-structure of described bottom surface to described optical lens inner recess, and the top of described bulge-structure is less to the distance of described bottom surface than described arc convex top to the distance of described bottom surface.
Preferably, described bulge-structure is tapered protrusion, and described tapered protrusion is several, arranges around described arc convex.
Preferably, the top of described tapered protrusion is unequal to the distance of described bottom surface.
Preferably, the corner angle of described tapered protrusion is unequal.
Preferably, described bulge-structure is arcuate structure, and described bulge-structure is several, arranges around described arc convex.
Preferably, described diffusing structure also comprises by described bottom surface to away from the extended extended structure in described optical lens side, described bulge-structure and extended structure are arc, described extended structure and described bulge-structure interval are arranged, and described extended structure and described bulge-structure are joined together to form a wavy shaped configuration.
Preferably, described exiting surface comprises two to away from the outstanding convex surface in described optical lens side, and described two convex surfaces are distributed in the both sides in the middle part of described bottom surface.
In addition, to achieve these goals, the utility model also provides a kind of lamp bar, described lamp bar comprises circuit board, install and the illuminator be electrically connected on described circuit board and the optical lens be located at above described illuminator, the end face that described optical lens comprises bottom surface and is oppositely arranged with described bottom surface, arc convex is formed with to described optical lens indent in the middle part of described bottom surface, described arc convex is incidence surface, described end face is exiting surface, the at least side of described bottom surface is provided with the diffusing structure for carrying out scattering to light, described illuminator correspondence is located at immediately below described arc convex.
In addition, to achieve these goals, the utility model also provides a kind of down straight aphototropism mode set, described down straight aphototropism mode set comprises backboard, the diffuser plate be located at the backlight on described backboard and be located at above described backlight, described backlight also comprises several lamp bars, described lamp bar comprises circuit board, install and the illuminator be electrically connected on described circuit board and the optical lens be located at above described illuminator, the end face that described optical lens comprises bottom surface and is oppositely arranged with described bottom surface, arc convex is formed with to described optical lens indent in the middle part of described bottom surface, described arc convex is incidence surface, described end face is exiting surface, the at least side of described bottom surface is provided with the diffusing structure for carrying out scattering to light, described illuminator correspondence is located at immediately below described arc convex.
Optical lens of the present utility model, lamp bar and down straight aphototropism mode set, by arranging diffusing structure on the bottom surface of optical lens, the light being entered into optical lens inside by described incidence surface is reflected further, with this by divergence of beam, and then ensure that the uniformity of the light penetrated by described exiting surface.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the first embodiment of the utility model optical lens;
Fig. 2 is the cross-sectional view of the second embodiment of the utility model optical lens;
Fig. 3 is the cross-sectional view of the 3rd embodiment of the utility model optical lens;
Fig. 4 is the cross-sectional view of the 4th embodiment of the utility model optical lens;
Fig. 5 is the cross-sectional view of the 5th embodiment of the utility model optical lens;
Fig. 6 is the cross-sectional view of the 6th embodiment of the utility model optical lens;
Fig. 7 is the cross-sectional view of the utility model lamp bar;
Fig. 8 is the cross-sectional view of the utility model down straight aphototropism mode set.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of optical lens, with reference to Fig. 1, in one embodiment, the end face 400 that described optical lens comprises bottom surface 200 and is oppositely arranged with described bottom surface 200, arc convex 220 is formed with to described optical lens indent in the middle part of described bottom surface 200, described arc convex 220 is incidence surface, described end face 400 is exiting surface, the at least side of described bottom surface 200 is provided with the diffusing structure 240 for carrying out scattering to light, particularly, described diffusing structure 240 is arranged on described arc convex 220 around.The light being entered into optical lens inside by described incidence surface reflects by described diffusing structure 240 further, with this by divergence of beam, and then ensure that the uniformity of the light penetrated by described exiting surface.
Further, in the present embodiment, described diffusing structure 240 comprises by the bulge-structure of described bottom surface 200 to described optical lens inner recess, and the top of described bulge-structure is less to the distance of described bottom surface 200 than described arc convex 220 top to the distance of described bottom surface 200.Through being undertaken by diffusing structure 240 being penetrated by described exiting surface after reflection is broken up after described light enters described optical lens by described incidence surface, and then ensure that the uniformity of the light penetrated by described exiting surface.
Further, described exiting surface comprises two to away from the outstanding convex surface in described optical lens side, described two convex surfaces are distributed in the both sides in the middle part of described bottom surface 200, preferably, two described convex surfaces are symmetrical arranged, can to be distributed in the middle part of described bottom surface around, to further ensure the uniformity of light.Herein to the specific descriptions of the shape of described exiting surface just in order to can clearer explanation the utility model, instead of for limiting the utility model, the exiting surface of other shapes can realize technique effect of the present utility model equally, if exiting surface is continuous curve surface shape, or exiting surface is stepped, it specifically comprises the two symmetrically arranged convex surfaces being arranged at centre position, be arranged at peripheral first planar annular of convex surface and be located at described first annular planar peripheral and the second planar annular etc. arranged with described first planar annular ladder, this is not restricted herein.
Further, in the present embodiment, described bulge-structure is tapered protrusion, and described tapered protrusion is several, arranges around described arc convex 220.Described tapered protrusion is at least one, and it is arranged at the periphery of described arc convex 220, and when described tapered protrusion is multiple, be disposed on described arc convex 220 around, its spacing distance can be established according to needs, is not restricted this herein.
Concrete, the top of described tapered protrusion can be equal or unequal to the distance of described bottom surface 200.And, the drift angle of described tapered protrusion can be wedge angle (as shown in Figure 2) or fillet (as shown in Figure 3), and when the drift angle of described tapered protrusion is wedge angle, its angle equally can be equal or unequal, and the top of described tapered protrusion is to the distance of described bottom surface 200, the structure of the drift angle of tapered protrusion and the corner angle of described tapered protrusion can random combine, such as, distance near the top of the tapered protrusion of described arc convex to described bottom surface is larger to the distance of described bottom surface than the top away from the tapered protrusion of described arc convex, also can be that the large tapered protrusion of the distance of described bottom surface is arrived at top and top is arranged to the tapered protrusion interval that the distance of described bottom surface is little, now all this is not restricted.But all can realize the technique effect of the uniformity of the light that above-mentioned guarantee is penetrated by described exiting surface.
Further, with reference to Fig. 4, in the present embodiment, described bulge-structure is arcuate structure, and described bulge-structure is several, arranges around described arc convex 220, the curved shape in top of described arcuate structure.Concrete, described arcuate structure is at least one, and it is arranged at the periphery of described arc convex 220, when more than one, described arcuate structure is disposed on shown arc convex 220 around, and its spacing distance can be established according to needs, is not restricted this herein.
Preferably, with reference to Fig. 5, described diffusing structure 240 can also be towards the arcuate structure away from described optical lens direction projection by described bottom surface 200, it is at least one equally, and be arranged at the periphery of described arc convex 220, when described arcuate structure is multiple, arrange around described arc convex 220, spacing between described arcuate structure can be established according to actual conditions, this is not restricted herein, but the technique effect of the uniformity of the light that above-mentioned guarantee is penetrated by described exiting surface can be realized equally.
Further, with reference to Fig. 6, in the present embodiment, described diffusing structure 240 also comprises by described bottom surface 200 to away from the extended extended structure in described optical lens side and the bulge-structure to described optical lens inner recess, described bulge-structure and extended structure are arc, described extended structure and described bulge-structure interval are arranged, described bulge-structure and extended structure are at least respectively one, when described bulge-structure and extended structure are multiple, described extended structure and described bulge-structure are joined together to form a wavy shaped configuration.Concrete, the curvature of described bulge-structure and described extended structure can be identical or different, all can realize the technique effect of the uniformity of the light that above-mentioned guarantee is penetrated by described exiting surface.
The utility model provides a kind of lamp bar, with reference to Fig. 7, in one embodiment, described lamp bar comprises circuit board 100, installs and the illuminator 300 be electrically connected on described circuit board 100 and the optical lens 500 be located at above described illuminator 300, described optical lens 500 comprises the structure of the optical lens in all embodiments shown in above-mentioned Fig. 1 to Fig. 6, do not repeat them here, and described illuminator 300 correspondence is located at immediately below described arc convex 220.
The utility model provides a kind of down straight aphototropism mode set, with reference to Fig. 8, in one embodiment, the diffuser plate 900 that described down straight aphototropism mode set comprises backboard 700, is located at the backlight 800 on described backboard 700 base plate and is located at above described backlight 800, described backlight 800 comprises several lamp bars 820, described lamp bar 820 is the lamp bar shown in above-mentioned Fig. 7, it comprises the structure of the optical lens in all embodiments shown in above-mentioned Fig. 1 to Fig. 6, do not repeat them here, and described illuminator 300 correspondence is located at immediately below described arc convex 220.
In sum, optical lens of the present utility model, lamp bar and down straight aphototropism mode set, by arranging diffusing structure on the bottom surface of optical lens, the light being entered into optical lens inside by described incidence surface is reflected further, with this by divergence of beam, and then ensure that the uniformity of the light penetrated by described exiting surface.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an optical lens, it is characterized in that, the end face that described optical lens comprises bottom surface and is oppositely arranged with described bottom surface, arc convex is formed with to described optical lens indent in the middle part of described bottom surface, described arc convex is incidence surface, described end face is exiting surface, and at least side of described bottom surface is provided with the diffusing structure for carrying out scattering to light.
2. optical lens as claimed in claim 1, it is characterized in that, described diffusing structure comprises by the bulge-structure of described bottom surface to described optical lens inner recess, and the top of described bulge-structure is less to the distance of described bottom surface than described arc convex top to the distance of described bottom surface.
3. optical lens as claimed in claim 2, it is characterized in that, described bulge-structure is tapered protrusion, and described tapered protrusion is several, arranges around described arc convex.
4. optical lens as claimed in claim 3, it is characterized in that, the top of described tapered protrusion is unequal to the distance of described bottom surface.
5. optical lens as claimed in claim 3, it is characterized in that, the corner angle of described tapered protrusion is unequal.
6. optical lens as claimed in claim 2, it is characterized in that, described bulge-structure is arcuate structure, and described bulge-structure is several, arranges around described arc convex.
7. optical lens as claimed in claim 2, it is characterized in that, described diffusing structure also comprises by described bottom surface to away from the extended extended structure in described optical lens side, described bulge-structure and extended structure are arc, described extended structure and described bulge-structure interval are arranged, and described extended structure and described bulge-structure are joined together to form a wavy shaped configuration.
8. the optical lens as described in claim 1 to 7 any one, is characterized in that, described exiting surface comprises two to away from the outstanding convex surface in described optical lens side, and described two convex surfaces are distributed in the both sides in the middle part of described bottom surface.
9. a lamp bar, described lamp bar comprises circuit board, installation the illuminator be electrically connected on described circuit board, it is characterized in that, also comprise the optical lens described in any one of the claims 1 to 8, described illuminator correspondence is located at immediately below described arc convex.
10. a down straight aphototropism mode set, the diffuser plate that described down straight aphototropism mode set comprises backboard, is located at the backlight on described backboard and is located at above described backlight, is characterized in that, described backlight also comprises the lamp bar described in the claims 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420699027.XU CN204285310U (en) | 2014-11-19 | 2014-11-19 | Optical lens, lamp bar and down straight aphototropism mode set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420699027.XU CN204285310U (en) | 2014-11-19 | 2014-11-19 | Optical lens, lamp bar and down straight aphototropism mode set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204285310U true CN204285310U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420699027.XU Active CN204285310U (en) | 2014-11-19 | 2014-11-19 | Optical lens, lamp bar and down straight aphototropism mode set |
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| CN (1) | CN204285310U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674209A (en) * | 2014-11-19 | 2016-06-15 | 广东瑞捷光电股份有限公司 | Optical lens, light bar and direct type backlight module |
| CN106547145A (en) * | 2015-09-18 | 2017-03-29 | 群创光电股份有限公司 | Backlight module and display device |
| CN107807474A (en) * | 2017-10-30 | 2018-03-16 | 胜蓝科技股份有限公司 | A kind of structure and backlight module for minimizing refraction astigmat |
| CN109073193A (en) * | 2016-04-25 | 2018-12-21 | 三菱电机株式会社 | Planar light source device and liquid crystal display device |
-
2014
- 2014-11-19 CN CN201420699027.XU patent/CN204285310U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674209A (en) * | 2014-11-19 | 2016-06-15 | 广东瑞捷光电股份有限公司 | Optical lens, light bar and direct type backlight module |
| CN106547145A (en) * | 2015-09-18 | 2017-03-29 | 群创光电股份有限公司 | Backlight module and display device |
| CN109073193A (en) * | 2016-04-25 | 2018-12-21 | 三菱电机株式会社 | Planar light source device and liquid crystal display device |
| CN107807474A (en) * | 2017-10-30 | 2018-03-16 | 胜蓝科技股份有限公司 | A kind of structure and backlight module for minimizing refraction astigmat |
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Address after: 516035 Industrial Park, Lilin Town, Huizhou City, Guangdong Province Patentee after: Guangdong Ruijie New Material Co.,Ltd. Address before: 516035 Industrial Park, Lilin Town, Huizhou City, Guangdong Province Patentee before: GUANGDONG REGENCY PHOTOELECTRIC Co.,Ltd. |