CN105116476A - Prismatic lens, manufacturing method therefor, backlight module group, display device, and roller - Google Patents
Prismatic lens, manufacturing method therefor, backlight module group, display device, and roller Download PDFInfo
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- CN105116476A CN105116476A CN201510580657.4A CN201510580657A CN105116476A CN 105116476 A CN105116476 A CN 105116476A CN 201510580657 A CN201510580657 A CN 201510580657A CN 105116476 A CN105116476 A CN 105116476A
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- prism structure
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Abstract
The invention discloses a prismatic lens, a backlight module group, a display device, a roller for manufacturing the prismatic lens, and a manufacturing method for the prismatic lens, so as to enable the display device to have a better anti-peep effect, to simplify the structure of the display device, and to reduce the production cost of the display device. The prismatic lens comprises a base body and a plurality of prism structures, wherein the plurality of prism structures are arranged on the base body in an array manner. Each prism structure comprises a first side surface and a second side surface, and the first side surface of the plurality of prism structures are provide with shading layers. In the technical scheme of the invention, the shading treatment of the first side surfaces of the plurality of prism structures of the prismatic lens is carried out, and the prismatic lens is used in the display device and can enable a spectator at a specific position not to be able to see the image contents of the display device, thereby enabling the display device to be better in anti-peep effect. Meanwhile, compared with an anti-peep design in the prior art, the display device does not need to additionally be provided with an anti-peep film, thereby simplifying the structure of the display device and reducing the production cost.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of prismatic lens, backlight module, display device, the roller that makes for prismatic lens, and the method for making of prismatic lens.
Background technology
Along with the development of society, the prevention awareness of people to self privacy or trade secret is more and more stronger, so peep-proof technology is arisen at the historic moment.At present the peep-proof technology of relative maturity is the micro-window shutter technology of 3M on the market, and micro-window shutter peep-proof film is applied to backlight module in display device or display screen surface by this technology, can play peep-proof effect.But adopt the peep-proof display device structure of this technology comparatively complicated, cost is higher.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of prismatic lens, backlight module, display device, the roller that makes for prismatic lens, and the method for making of prismatic lens, to make display device possess preferably peep-proof effect, simplify its structure simultaneously, reduce its production cost.
Embodiments provide a kind of prismatic lens, comprise matrix and be positioned at the multiple prism structures be arranged in array on matrix, described prism structure comprises the first side surface and the second side surface, and the first side surface of described multiple prism structure is provided with light shield layer.
In embodiments of the present invention; first side surface of the multiple prism structure of prismatic lens does shading treatment; this prismatic lens is applied to display device; the onlooker being positioned at ad-hoc location can be made cannot to see the image content of display device; thus make display device possess preferably peep-proof effect; protect individual privacy or the trade secret of user; simultaneously; peep-proof design compared to existing technology; display device is without the need to arranging peep-proof film in addition; thus simplify the structure of display device, and reduce production cost.
Concrete, two base angles of described prism structure are acute angle, and the described prism structure base angle adjacent with the first side surface is greater than the base angle adjacent with the second side surface.At this Shi Lizhong, the base angle that described prism structure is adjacent with the first side surface is greater than the base angle adjacent with the second side surface, can make prismatic lens like this while possessing peep-proof effect, have higher light transmission rate, thus making the screen of display device have higher brightness, display effect is better.
Preferably, reflection horizon is provided with between the first side surface of described prism structure and light shield layer.In this embodiment, by arranging reflection horizon between first side surface and light shield layer of prism structure, the utilization factor of light intensity can be improved.
Preferably, two base angle equal and opposite in directions of described prism structure; And/or two of described prism structure base angles are 45 degree.
Concrete, described light shield layer comprises shading glue coating.
Optionally, the cross section of described prism structure comprises triangle.
Embodiments provide a kind of backlight module, comprise the prismatic lens as described in above-mentioned any one technical scheme.
This backlight module is applied to display device, and display device has good peep-proof effect, and does not increase peep-proof film in addition due to this backlight module, therefore, additionally can not increase production cost.
Embodiments provide a kind of display device, comprise the backlight module as described in technique scheme.This display device possesses good peep-proof effect, effectively can protect individual privacy or the trade secret of user, and this display device structure is simple simultaneously, and cost is lower.
Preferably, described display device comprises display device for mounting on vehicle.
Embodiments provide the roller of a kind of making prismatic lens as described in above-mentioned arbitrary technical scheme, comprise roller body and spaced apart in roller body week side multiple gear hobbings, described gear hobbing comprises the first lateral tooth flank and the second lateral tooth flank; When described roller imposes on the sheet material being formed with prism structure, described first lateral tooth flank contacts with the first side surface of described prism structure, and the second side surface of described second lateral tooth flank and described prism structure separately.The prismatic lens adopting this roller to make, is applied to display device, and display device possesses preferably peep-proof effect, and the structural design of roller is simple, and cost is lower.
Embodiments provide a kind of method for making of prismatic lens, described prismatic lens comprises matrix and is positioned at the multiple prism structures be arranged in array on matrix, described prism structure comprises the first side surface and the second side surface, first side surface of described multiple prism structure is provided with light shield layer, and described method comprises:
Sheet material is formed multiple prism structure;
Shading gluing is set at the first lateral tooth flank of the gear hobbing of roller as described in technique scheme, described roller is imposed on the sheet material being formed with prism structure, form light shield layer.
Preferably, before the described light shield layer of formation, the method for described making prismatic lens also comprises:
Reflection gluing is set at the first lateral tooth flank of the gear hobbing of roller as described in technique scheme, described roller is imposed on the sheet material being formed with prism structure, form the reflection horizon being positioned at the first side surface of prism structure.
Adopt the prismatic lens that the method makes, be applied to display device, the onlooker being positioned at ad-hoc location can be made cannot to see the image content of display device, thus make display device possess preferably peep-proof effect, simultaneously, peep-proof design compared to existing technology, display device without the need to arranging peep-proof film in addition, thus simplifies the structure of display device.In addition, the manufacturing process of prismatic lens is simple and feasible, and production cost is also lower.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention prismatic lens;
Fig. 2 a is prism structure schematic diagram in one embodiment of the invention;
Fig. 2 b is prism structure schematic diagram in another embodiment of the present invention;
Fig. 3 is the roller of the embodiment of the present invention for the formation of prism structure on sheet material;
Fig. 4 is the structural representation of embodiment of the present invention roller;
Fig. 5 is the gear hobbing structural representation of embodiment of the present invention roller.
Description of reference numerals:
1-prismatic lens 10-prism structure
11-matrix 100-light shield layer
101-reflection horizon 10a-first side surface
10b-second side surface 2-roller
20-roller body 21-gear hobbing
21a-first lateral tooth flank 21b-second lateral tooth flank
210-gluing
Embodiment
Preferably peep-proof effect is possessed in order to make display device, and simplify the structure of display device, reduce its production cost, embodiments provide a kind of prismatic lens, backlight module, display device, the roller that makes for prismatic lens, and the method for making of prismatic lens.
As shown in Figure 1, embodiments provide a kind of prism 1, comprise matrix 11 and be positioned at the multiple prism structures 10 be arranged in array on matrix 11, prism structure 10 comprises the first side surface 10a and the second side surface 10b, and the first side surface 10a of described multiple prism structure 10 is provided with light shield layer 100.
In embodiments of the present invention; first side surface of the multiple prism structure of prismatic lens does shading treatment; this prismatic lens is applied to display device; the onlooker being positioned at ad-hoc location can be made cannot to see the image content of display device; thus make display device possess preferably peep-proof effect; protect individual privacy or the trade secret of user; simultaneously; peep-proof design compared to existing technology; display device is without the need to arranging peep-proof film in addition; thus simplify the structure of display device, and reduce production cost.
In embodiment as shown in Figure 2 a, two base angle of prism structure 10 and β are respectively acute angle, and the prism structure base angle β adjacent with the first side surface 10a is greater than the base angle adjacent with the second side surface 10b.
In prior art, two base angles of the prism structure of prismatic lens are equal.In the technical scheme of the embodiment of the present invention, because the first side surface 10a of prism structure 10 is provided with light shield layer 100, for improving light transmission rate, preferably base angle β is greater than base angle with designing, thus can make prismatic lens while possessing better peep-proof effect, there is higher light transmission rate, and, reduce intensity loss to greatest extent.And then making the screen of display device have higher brightness, display effect is better.
When production application, the peep-proof for different user needs, and can adjust the base angle size of prism structure in prismatic lens, to meet different peep-proof angles, and then meets the peep-proof needs of different occasion user, such as unidirectional peep-proof.When using this kind of prismatic lens to be applied to display device, the angle design of prism structure in prismatic lens can be carried out needed for different user, to make the present invention, there is larger application market.
As shown in Figure 2 b, in this embodiment, reflection horizon 101 is provided with between the first side surface 10a of prism structure 10 and light shield layer 100.Reflection horizon 101 can when incident ray is irradiated to the first side surface 10a of prism structure 10 by light reflection, thus make light be recycled, and can improve the utilization factor of light intensity, and, reduce intensity loss to greatest extent.
Based on structure embodiment illustrated in fig. 1, two base angles of prism structure also can be designed as equal and opposite in direction, and such as, two base angles of prism structure are all designed to 45 degree.
In the technical scheme of various embodiments of the present invention, the particular type of light shield layer 100 is not limit, and such as light shield layer 100 can adopt shading glue coating.Light shield layer color is preferably dark or black.
In the technical scheme of the embodiment of the present invention, the cross sectional shape of prism structure can be triangle.When the cross sectional shape of prism structure is triangle, this prism structure is triangular prism, in use, in order to improve the Anti-scratching effect of prism structure, also the drift angle of triangular prism structure can be done chamfered.
Embodiments provide a kind of backlight module, comprise the prismatic lens as above-mentioned any one technical scheme.This backlight module is applied to display device, and display device has good peep-proof effect, and does not increase peep-proof film in addition due to this backlight module, therefore, additionally can not increase production cost.
Embodiments provide a kind of display device, comprise the backlight module as technique scheme.This display device possesses good peep-proof effect, effectively can protect individual privacy or the trade secret of user, and this display device structure is simple simultaneously, and cost is lower.
The particular type of display device is not limit, and can be display device for mounting on vehicle.Display device applications, when vehicle-mounted occasion, can prevent the display frame of display device for mounting on vehicle from entering driver's human eye by front windshield reflection, cause interference to driver's sight line.
As shown in Figure 4, embodiments provide a kind of roller 2 making prismatic lens, roller 2 comprises roller body 20 and spaced apart in multiple gear hobbings 21 of roller body 20 weeks sides, and wherein, gear hobbing 21 comprises the first lateral tooth flank 21a and the second lateral tooth flank 21b; When roller 2 imposes on the sheet material being formed with prism structure, the first lateral tooth flank 21a contacts with the first side surface of prism structure, and the second side surface of the second lateral tooth flank 21b and prism structure separately.
In the embodiment shown in fig. 5, first lateral tooth flank 21a of gear hobbing 21 can arrange gluing 210, such as shading gluing or reflection gluing, when roller 2 imposes on the sheet material being formed with prism structure, first lateral tooth flank 21a contacts with the first side surface of prism structure, thus corresponding gluing 210 is transferred to the first side surface of prism structure.
The prismatic lens adopting this roller to make, is applied to display device, and display device possesses preferably peep-proof effect, and the structural design of roller is simple, and cost is lower.
The method of the making prismatic lens that one embodiment of the invention provides, as shown in Figure 2 a, the method comprises the following steps the prism structure of made prismatic lens:
Sheet material is formed the prism structure be arranged in array.Concrete, adopt the roller shown in Fig. 3 to engage in internal strife on prismatic lens sheet material formation prism structure.
First lateral tooth flank 21a of the gear hobbing 21 of the roller 2 shown in Fig. 4 arranges shading gluing; Roller is imposed on the sheet material being formed with prism structure, form light shield layer.Concrete, when after the machine direction determining the relative sheet material of roller, roller is imposed on sheet material clockwise or counterclockwise, shading gluing can be transferred to the first side surface of prism structure, thus complete the process to prismatic lens.
The method of the making prismatic lens that another embodiment of the present invention provides, as shown in Figure 2 b, the method comprises the following steps the prism structure of made prismatic lens:
Sheet material is formed the prism structure of array.Concrete, adopt the roller shown in Fig. 3 to engage in internal strife on prismatic lens sheet material formation prism structure.
First lateral tooth flank 21a of the gear hobbing 21 of the roller 2 shown in Fig. 4 arranges reflection gluing; Roller is imposed on the sheet material being formed with prism structure, form the reflection horizon being positioned at the first side surface of prism structure.
The reflection gluing completing the roller of above-mentioned steps is cleaned up, or adopts another mutually isostructural roller, shading gluing is set at its first lateral tooth flank; Roller is imposed on the sheet material being formed with prism structure, form the light shield layer be positioned at outside reflection horizon.
Adopt the prismatic lens that the method makes, be applied to display device, the onlooker being positioned at ad-hoc location can be made cannot to see the image content of display device, thus make display device possess preferably peep-proof effect, simultaneously, peep-proof design compared to existing technology, display device without the need to arranging peep-proof film in addition, thus simplifies the structure of display device.In addition, the manufacturing process of prismatic lens is simple and feasible, and production cost is also lower.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a prismatic lens, is characterized in that, comprise matrix and be positioned at the multiple prism structures be arranged in array on matrix, described prism structure comprises the first side surface and the second side surface, and the first side surface of described multiple prism structure is provided with light shield layer.
2. prismatic lens as claimed in claim 1, it is characterized in that, two base angles of described prism structure are acute angle, and the described prism structure base angle adjacent with the first side surface is greater than the base angle adjacent with the second side surface.
3. prismatic lens as claimed in claim 1, is characterized in that, be provided with reflection horizon between the first side surface of described prism structure and light shield layer.
4. prismatic lens as claimed in claim 1, is characterized in that, two base angle equal and opposite in directions of described prism structure; And/or two of described prism structure base angles are 45 degree.
5. the prismatic lens as described in any one of Claims 1 to 4, is characterized in that, described light shield layer comprises shading glue coating.
6. prismatic lens as claimed in claim 1, it is characterized in that, the cross section of described prism structure comprises triangle.
7. a backlight module, is characterized in that, comprises the prismatic lens as described in any one of claim 1 ~ 6.
8. a display device, is characterized in that, comprises backlight module as claimed in claim 7.
9. display device as claimed in claim 8, it is characterized in that, described display device comprises display device for mounting on vehicle.
10. make a roller for prismatic lens as claimed in claim 1, it is characterized in that, comprise roller body and spaced apart in roller body week side multiple gear hobbings, described gear hobbing comprises the first lateral tooth flank and the second lateral tooth flank; When described roller imposes on the sheet material being formed with prism structure, described first lateral tooth flank contacts with the first side surface of described prism structure, and the second side surface of described second lateral tooth flank and described prism structure separately.
The method for making of 11. 1 kinds of prismatic lenses, described prismatic lens comprises matrix and is positioned at the multiple prism structures be arranged in array on matrix, described prism structure comprises the first side surface and the second side surface, first side surface of described multiple prism structure is provided with light shield layer, it is characterized in that, described method comprises:
Sheet material is formed multiple prism structure;
Shading gluing is set at the first lateral tooth flank of the gear hobbing of roller as claimed in claim 10, described roller is imposed on the sheet material being formed with prism structure, form light shield layer.
12. methods as claimed in claim 11, is characterized in that, before the described light shield layer of formation, described method also comprises:
Reflection gluing is set at the first lateral tooth flank of the gear hobbing of roller as claimed in claim 10, described roller is imposed on the sheet material being formed with prism structure, form the reflection horizon being positioned at the first side surface of prism structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510580657.4A CN105116476A (en) | 2015-09-11 | 2015-09-11 | Prismatic lens, manufacturing method therefor, backlight module group, display device, and roller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510580657.4A CN105116476A (en) | 2015-09-11 | 2015-09-11 | Prismatic lens, manufacturing method therefor, backlight module group, display device, and roller |
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| CN105116476A true CN105116476A (en) | 2015-12-02 |
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| CN201510580657.4A Pending CN105116476A (en) | 2015-09-11 | 2015-09-11 | Prismatic lens, manufacturing method therefor, backlight module group, display device, and roller |
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