CN204178043U - Concentration piece - Google Patents
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- CN204178043U CN204178043U CN201420690148.8U CN201420690148U CN204178043U CN 204178043 U CN204178043 U CN 204178043U CN 201420690148 U CN201420690148 U CN 201420690148U CN 204178043 U CN204178043 U CN 204178043U
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Abstract
A kind of concentration piece, comprises a base material, multiple first prism group and multiple second prism group.First prism group interval each other, and the first prism columns respectively comprising that at least one is extended on base material along a direction.Second prism group and the first prism group are interlocked and are arranged at base material abreast, and respectively comprise at least one is extended on base material the second prism columns along this direction parallel.The height of the second prism columns is less than the height of the first prism columns.The utility model being staggered and the inconsistency of the first prism columns and the second prism columns height and the width by the first prism group and the second prism group, improves warpage and the excreting dampness phenomenon of base material, also mitigates the impact that repeatedly line and defect cause simultaneously.
Description
Technical field
The utility model relates to a kind of concentration piece, particularly relates to a kind of concentration piece with differing heights prism columns.
Background technology
The backlight module of available liquid crystal screen (Liquid Crystal Display) utilizes the concentration piece (Prism Sheet) with prism columns (Prism Rod) structure to increase the brightness at visual angle, screen front usually.
And existing concentration piece has a base material and is severally parallel to each otherly arranged on base material along a specific direction, and the prism columns that height and the width are all equal.Though this concentration piece can reclaim by directly refraction (Direct Refraction), total reflection the brightness that the mode such as (TIR Reflection) and birefringence recovery (Second Reflection) strengthens visual angle, screen front.But, because concentration piece has multiple identical prism columns, if when making the defect had when prism columns on processing procedure, easily discover by user.In addition, because the height of each prism columns on base material is all equal, make other film being adjacent to concentration piece in backlight module, such as lack the strong point between diffusion sheet (Diffuser) and concentration piece, thus cause diffusion sheet and concentration piece too fit and have the phenomenon of excreting dampness (Wet-Out) to produce.On the other hand, current existing panel is all made up of many regularly arranged pixels (Pixel), and concentration piece has equally regularly arranged prism columns, like this then the interference between grid (pixel on panel) and grid (prism columns on concentration piece) can be caused, the namely generation of repeatedly line (Morie), and then have impact on the generation of screen-picture.
Summary of the invention
The purpose of this utility model is to provide a kind of concentration piece improving above-mentioned shortcoming.
A kind of concentration piece of the utility model, comprises a base material, multiple first prism group and multiple second prism group.
Described first prism group interval each other, and the first prism columns respectively comprising that at least one is extended on this base material along a direction, respectively the bottom of this first prism columns is connected with this base material, and respectively the width of this first prism group is not more than 200 microns.
Described second prism group, this base material is arranged at abreast with described first prism group is staggered, and respectively comprise the second prism columns that at least one is extended on this base material in the direction, the height of described second prism columns is less than the height of described first prism columns, respectively the bottom of this second prism columns is connected with this base material, and respectively the width of this second prism group is not more than 200 microns.
Concentration piece described in the utility model, respectively this first prism group comprises several first prism columns, and described first prism columns is arranged on this base material with being closely adjacent to each other.
Concentration piece described in the utility model, respectively this second prism group comprises several second prism columns, and described second prism columns is arranged on this base material with being closely adjacent to each other.
Concentration piece described in the utility model, adjacent respectively this first prism columns and respectively this second prism columns are closely adjacent to each other to arrange on the substrate abreast.
Concentration piece described in the utility model, respectively the height of this first prism columns and the difference in height scope of each this second prism columns are between 1 micron to 3 microns.
Concentration piece described in the utility model, respectively the altitude range of this first prism columns is between 8 microns to 28 microns, and respectively the altitude range of this second prism columns is between 5 microns to 25 microns.
Concentration piece described in the utility model, respectively this first prism group comprises several first prism columns, and the number of described first prism columns is 2.
Concentration piece described in the utility model, respectively this second prism group comprises several second prism columns, and the number range of described second prism columns is between 2 to 10.
Concentration piece described in the utility model, respectively the width range of this first prism columns is between 26 microns to 56 microns.
Concentration piece described in the utility model, respectively the width range of this first prism columns is between 50 microns to 56 microns.
Concentration piece described in the utility model, respectively the width range of this second prism columns is between 20 microns to 50 microns.
Concentration piece described in the utility model, respectively the width range of this second prism columns is between 44 microns to 50 microns.
Concentration piece described in the utility model, respectively this first prism columns and each this second prism columns are mainly made by transparent ultraviolet photocureable material.
Concentration piece described in the utility model, this base material is mainly made by polyethylene terephthalate or polycarbonate.
The beneficial effects of the utility model are: being staggered and the inconsistency of the first prism columns and the second prism columns height and the width by the first prism group and the second prism group, improve warpage and the excreting dampness phenomenon of base material, also mitigate the impact that repeatedly line and defect cause simultaneously.
Accompanying drawing explanation
Fig. 1 is a stereographic map, and an embodiment of the utility model concentration piece is described;
Fig. 2 is a schematic diagram, and multiple first prism columns of this embodiment and multiple second prism columns are described; And
Fig. 3 is a schematic diagram, and diffusion sheet on this embodiment and is described.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
Consult Fig. 1 to Fig. 3, first embodiment of the utility model concentration piece is described, the utility model concentration piece 10 is backlight module (Backlight Module, a BLM) wherein element of LCD screen (Liquid Crystal Display, LCD).Backlight module generally comprises diffusion sheet 4 (Top Diffuser) on two concentration pieces 10, one and other is not drawn on the component such as light-emitting component, light guide plate, lower diffusion sheet in figure, and below for simplicity, will be described for a concentration piece 10.The utility model concentration piece 10 comprises a base material 1, several first prism group 2 and several second prism group 3.
Base material 1 can allow the light free penetrating launched by the light-emitting component such as cold cathode fluorescent lamp, light emitting diode.In the present embodiment, base material 1 is mainly made by polyethylene terephthalate (Polyethylene Terephthalate, PET) or polycarbonate (Polycarbonate, PC), but its material is not as limit.
First prism group 2 each other interval is arranged on base material 1, and each first prism group 2 comprises at least one is extended on base material 1 the first prism columns 21 along a direction A, and the bottom of each the first prism columns 21 is connected with base material 1.
Second prism group 3 and the first prism group 2 are interlocked and are arranged at abreast on base material 1.Each second prism group 3 comprises that at least one is parallel with the first prism columns 21 and be arranged on the second prism columns 31 of base material 1, and the height H 2 of arbitrary second prism columns 31 is less than the height H 1 of arbitrary first prism columns 21, and the bottom of each the second prism columns 31 is connected with base material 1.In addition, any two first prism columns 21, second prism columns 31 adjacent one another are and the first prism columns 21 and the second prism columns 31 are all be closely adjacent to each other to be arranged on abreast on base material 1.
In the present embodiment, the first prism columns 21 and the second prism columns 31 are mainly made by transparent ultraviolet photocureable material, and the quantity of included the first prism columns 21 of each the first prism group 2 is 1 or 2, and preferably the first prism columns 21 quantity is 2.The quantitative range of the second prism columns 31 that each the second prism group 3 is included is then between 1 to 10, preferably the quantitative range of the second prism columns 31 is then between 2 to 10, but the demand of user still in visual use is from the quantity of Row sum-equal matrix first prism columns 21 and the second prism columns 31, and is not limited with particular implementation quantity.In addition, although Fig. 1 to Fig. 3 of the utility model draws first prism columns 21 and second prism columns 31 with specific quantity and particular arrangement relation, but in different situations, first prism columns 21 and the second prism columns 31 quantity and Rankine-Hugoniot relations all can optionally correspondingly to adjust, and are not limited with content disclosed in the present embodiment.
In addition, in the present embodiment, the width range W1 of the first prism columns 21 is between 26 microns to 56 microns, the width range W2 of the second prism columns 31 is between 20 microns to 50 microns, and the better width range W1 of the first prism columns 21 is between 50 microns to 56 microns, the better width range W2 of the second prism columns 31 is between 44 microns to 50 microns, and the preferred height H1 scope of each the first prism columns 21 is between 8 microns to 28 microns, the preferred height H2 scope of each the second prism columns 31 is between 5 microns to 25 microns.And the preferred height difference D1 scope of arbitrary first prism columns 21 and arbitrary second prism columns 31 is between 1 micron to 3 microns.In addition, the better width range W3 of each the first prism group 2 and better width range W4 of each the second prism group 3 is neither greater than 200 microns, width range W1, the W2 of right first prism columns 21 and the second prism columns 31, height H 1, H2, both difference in height D1 and width range W3, W4 of the first prism group 2 and the second prism group 3 can adjust according to the demand of user again, and are not limited with content disclosed herein.
Concentration piece 10 due to the present embodiment is crisscross arranged on base material 1 by the first prism group 2 and the second prism group 3, and the height H 1 of arbitrary first prism columns 21 is greater than the height H 2 of arbitrary second prism columns 31, this the first prism columns 21 can be support as illustrated in fig. 3 upper diffusion sheet 4 that neighbour is located at the side of base material 1, and excreting dampness (Wet-Out) phenomenon of diffusion sheet 4 because causing close to base material 1 very much can be avoided.And be connected with base material 1 respectively due to the bottom of the first prism columns 21 with the second prism columns 31, so can alleviate the first prism columns 21 and the second prism columns 31 warpage (Warping) phenomenon because causing with the material difference of base material 1.On the other hand, in the process of manufacture first prism columns 21 and the second prism columns 31, if when having any defect to produce in the first prism columns 21 or the second prism columns 31, due to being staggered and the high low head of the first prism columns 21 and the second prism columns 31 of the first prism group 2 and the second prism group 3, make the turbulence of concentration piece 10 space surface frequency increase, defect so will be made not easily to be discovered by user.In addition, current existing panel is all made up of many regularly arranged pixels (Pixel), by the first prism columns 21 and the second prism columns 31 that height and the width are inconsistent, change the spatial frequency between prism columns 21,31, thus the interference between pixel on panel and prism columns 21,31 can be alleviated, namely the repeatedly impact that causes of line (Morie).
In sum, by the first prism group 2 and the second prism group 3 be staggered and the first prism columns 21 and the second prism columns 31 height H 1, H2 and width range W1, W2 inconsistency, improve warpage and the excreting dampness phenomenon of base material 1, also mitigate the impact that repeatedly line and defect cause simultaneously.
Only as described above, be only embodiment of the present utility model, when can not limit the scope of the utility model enforcement with this, namely the simple equivalence change generally done according to the utility model claims and patent specification content with modify, all still belong in scope that the utility model patent contains.
Claims (14)
1. a concentration piece, comprises a base material; It is characterized in that: this concentration piece also comprises:
Multiple first prism group, each other interval, and the first prism columns respectively comprising that at least one is extended on this base material along a direction, respectively the bottom of this first prism columns is connected with this base material, and respectively the width of this first prism group is not more than 200 microns; And
Multiple second prism group, this base material is arranged at abreast with described first prism group is staggered, and respectively comprise the second prism columns that at least one is extended on this base material in the direction, the height of described second prism columns is less than the height of described first prism columns, respectively the bottom of this second prism columns is connected with this base material, and respectively the width of this second prism group is not more than 200 microns.
2. concentration piece as claimed in claim 1, is characterized in that: respectively this first prism group comprises several first prism columns, and described first prism columns is arranged on this base material with being closely adjacent to each other.
3. concentration piece as claimed in claim 1, is characterized in that: respectively this second prism group comprises several second prism columns, and described second prism columns is arranged on this base material with being closely adjacent to each other.
4. concentration piece as claimed in claim 1, is characterized in that: adjacent respectively this first prism columns and respectively this second prism columns are closely adjacent to each other to arrange on the substrate abreast.
5. concentration piece as claimed in claim 1, is characterized in that: respectively the height of this first prism columns and the difference in height scope of each this second prism columns are between 1 micron to 3 microns.
6. concentration piece as claimed in claim 1, it is characterized in that: respectively the altitude range of this first prism columns is between 8 microns to 28 microns, respectively the altitude range of this second prism columns is between 5 microns to 25 microns.
7. concentration piece as claimed in claim 1, is characterized in that: respectively this first prism group comprises several first prism columns, and the number of described first prism columns is 2.
8. concentration piece as claimed in claim 1, is characterized in that: respectively this second prism group comprises several second prism columns, and the number range of described second prism columns is between 2 to 10.
9. concentration piece as claimed in claim 1, is characterized in that: respectively the width range of this first prism columns is between 26 microns to 56 microns.
10. concentration piece as claimed in claim 1, is characterized in that: respectively the width range of this first prism columns is between 50 microns to 56 microns.
11. concentration pieces as claimed in claim 1, is characterized in that: respectively the width range of this second prism columns is between 20 microns to 50 microns.
12. concentration pieces as claimed in claim 1, is characterized in that: respectively the width range of this second prism columns is between 44 microns to 50 microns.
13. concentration pieces as claimed in claim 1, is characterized in that: respectively this first prism columns and each this second prism columns are mainly made by transparent ultraviolet photocureable material.
14. concentration pieces as claimed in claim 1, is characterized in that: this base material is mainly made by polyethylene terephthalate or polycarbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690148.8U CN204178043U (en) | 2014-11-17 | 2014-11-17 | Concentration piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420690148.8U CN204178043U (en) | 2014-11-17 | 2014-11-17 | Concentration piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178043U true CN204178043U (en) | 2015-02-25 |
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ID=52566844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420690148.8U Active CN204178043U (en) | 2014-11-17 | 2014-11-17 | Concentration piece |
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| Country | Link |
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| CN (1) | CN204178043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466978A (en) * | 2021-06-30 | 2021-10-01 | 纳晶科技股份有限公司 | Brightness enhancement film and display device |
-
2014
- 2014-11-17 CN CN201420690148.8U patent/CN204178043U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466978A (en) * | 2021-06-30 | 2021-10-01 | 纳晶科技股份有限公司 | Brightness enhancement film and display device |
| CN113466978B (en) * | 2021-06-30 | 2023-07-07 | 纳晶科技股份有限公司 | Brightness enhancement film and display device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |