CN203909329U - Improved light guide plate - Google Patents
Improved light guide plate Download PDFInfo
- Publication number
- CN203909329U CN203909329U CN201420176333.5U CN201420176333U CN203909329U CN 203909329 U CN203909329 U CN 203909329U CN 201420176333 U CN201420176333 U CN 201420176333U CN 203909329 U CN203909329 U CN 203909329U
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- China
- Prior art keywords
- convex
- guide plate
- light guide
- concavo
- curved surface
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- Expired - Fee Related
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- 239000000463 material Substances 0.000 claims abstract description 45
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims abstract description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 3
- 230000003287 optical effect Effects 0.000 claims description 16
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 description 2
- -1 acryl Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses an improved light guide plate. The improved light guide plate comprises a base material, wherein the base material is made of an acrylic or PMMA or MS or PC board or sheet, concave-convex curved surfaces are formed on the two sides of the base material, the concave-convex curved surfaces are composed of a plurality of curved surface units which are in continuous distribution, the curved surface units are continuously distributed in the first direction, and the cross section of each curved surface unit is similar to a sine curve or a cosine curve in shape. Each curved surface unit comprises a long-strip-shaped cambered peak part and a long-strip-shaped cambered valley part, wherein the peak parts and the valley parts extend in the second direction, the second direction is perpendicular to the first direction, the first width of each curved surface unit ranges from 0.2 mm to 0.6 mm, and the vertical height between the topmost portion of the peak part and the bottommost portion of the valley part of each curved surface unit ranges from 0.01 mm to 0.2 mm. According to the improved light guide plate, the cost is low, the better light guiding effect on an LED light source is achieved, and light guided by the improved light guide plate out becomes softer and more uniform.
Description
Technical field
The utility model relates to light guide plate technical field, especially relates to a kind of improved light guide plate.
Background technology
In prior art, light guide plate is used in various displays, as LED flat lamp, the back of the body of flat-panel monitor and televisor is in a steady stream in module, light guide plate is a plastic sheet, the one or both sides of light guide plate form some concave points or salient point, light guide plate is for leaded light, light incidence source is perpendicular light source, light incidence source is arranged on one or both sides or three sides or four sides of light guide plate, by concave point or salient point, light source is reflected and scattering, make light source become soft and even, but, this light guide plate is still undesirable to the dispersion of light source, the light source penetrating by light guide plate is still soft not, also even not, need further to improve, the light that light guide plate is penetrated is more soft and even, therefore be necessary to be improved.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of improved light guide plate, and its cost is low, and LED light source is had to stronger dispersion effect, and it is softer and even that the light of deriving by light guide plate becomes.
To achieve these goals, the technical scheme that the utility model adopts is:
A kind of improved light guide plate, comprise by acrylic, PMMA, the base material that MS or PC sheet material/sheet material are made, the two sides of base material forms concave-convex curved surface by extrusion technology, concave-convex curved surface is by the curved face unit of some continuous distribution, curved face unit is along first direction continuous distribution, the lateral cross section shape approximation of curved face unit is in the shape of sinusoidal curve or cosine curve, a curved face unit comprises the peak portion of arc of an elongate in shape and the paddy portion of the arc of an elongate in shape, peak portion and paddy portion extend along second direction, second direction is perpendicular to first direction, the first width L of a curved face unit is 0.2～0.6mm, the top of the peak portion of a curved face unit is 0.01～0.2mm to the vertical height H of the bottommost of paddy portion.
Further in technical scheme, the shape approximation of described concave-convex curved surface is in the wave-like of continuous distribution, it is concave-convex curved surface described in the extrusion die extrusion molding of 100～150 °, the degree of depth V-arrangement grooving that is 0.01～0.2mm that base material utilizes surface forming to have some angles in extruding-out process, and two sides perpendicular to second direction on base material are chosen to be the light source plane of incidence.
Further, in technical scheme, the first width L of a described curved face unit is 0.05～0.6mm.
Further, in technical scheme, the width of the peak portion in a described curved face unit equals or is slightly larger than the width of paddy portion, and the height of peak portion equals or be slightly larger than the height of paddy portion.
Further in technical scheme, respectively through the starting point of peak portion and terminal and with the first angle a of tangent two tangent lines of the curved surface of peak portion be 100～150 °, respectively through the starting point of paddy portion and terminal and with the second angle b of tangent two tangent lines of the curved surface of paddy portion be 100～150 °.
Further in technical scheme, respectively through the starting point of peak portion and terminal and with the first angle a of tangent two tangent lines of the curved surface of peak portion be 120～130 °, respectively through the starting point of paddy portion and terminal and with the second angle b of tangent two tangent lines of the curved surface of paddy portion be 120～130 °.
Further, in technical scheme, described base material bottom surface is covered with the concavo-convex random line of a plurality of concavo-convex optical points and a plurality of out of order arranged distribution, and the out of order arranged distribution of each concavo-convex optical point is among the space between each concavo-convex random line.
Further in technical scheme, described base material goes out concave-convex curved surface, concavo-convex optical point and concavo-convex random line by extruding-out process is one-body molded.
Further, in technical scheme, described arbitrary concavo-convex random line is all crooked tortuous, and in arbitrary concavo-convex random line, the width of each section is not identical.
Further, in technical scheme, the maximum radius of described concavo-convex optical point is 0.05～0.5mm, and it is 0.01～0.3mm at the height of substrate surface or the degree of depth caving in down to base material that concavo-convex optical point protrudes; The breadth extreme of concavo-convex random line is 0.2～1mm, and it is 0.01～0.3mm at the height of substrate surface or the degree of depth caving in down to base material that the concavo-convex random line of bar protrudes.
Use after said structure, the advantage that compared to the prior art the utility model had is: the utility model cost is low, is easy to produce, and leaded light performance is good, LED light source is had to stronger light guide effect, and it is softer and even that the light of deriving by light guide plate becomes.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of light guide plate of the present utility model after microscope amplifies.
Fig. 2 is the cross section of light guide plate of the present utility model structural representation after microscope amplifies.
In figure:
1, concave-convex curved surface
11, curved face unit
111, peak portion
112, paddy portion
H, vertical height
L, the first width
A, the first angle
B, the second angle.
Embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment, see shown in Fig. 1～2, a kind of improved light guide plate, comprise a base material, base material is by acryl plates/sheet material, PMMA sheet material/sheet material, MS sheet material/sheet material or PC sheet material/sheet material are made, the two sides of base material forms concave-convex curved surface 1 by extrusion technology, concave-convex curved surface 1 is by the curved face unit 11 of some continuous distribution, curved face unit 11 is along first direction continuous distribution, the lateral cross section shape approximation of curved face unit 11 is in the shape of sinusoidal curve or cosine curve, a curved face unit 11 comprises the peak portion 111 of arc of an elongate in shape and the paddy portion 112 of the arc of an elongate in shape, peak portion 111 and paddy portion 112 extend along second direction, second direction is perpendicular to first direction, the first width L of a curved face unit 11 is 0.2～0.6mm.
Wherein, the first width L of a curved face unit 11 is 0.05～0.6mm.In better embodiment, the first width L of a curved face unit 11 is 0.35～0.45mm.The top of the peak portion 111 of a curved face unit 11 is 0.01～0.2mm to the vertical height H of the bottommost of paddy portion 112.In better embodiment, the top of the peak portion 111 of a curved face unit 11 is about 0.015mm to the vertical height H of the bottommost of paddy portion 112.
The shape approximation of concave-convex curved surface 1 is in the wave-like of continuous distribution, it is concave-convex curved surface 1 described in the extrusion die extrusion molding of 100～150 °, the degree of depth V-arrangement grooving that is 0.01～0.2mm that base material utilizes surface forming to have some angles in extruding-out process, and two sides perpendicular to second direction on base material are chosen to be the light source plane of incidence.The width of the peak portion 111 in a curved face unit 11 equals or is slightly larger than the width of paddy portion 112, and the height of peak portion 111 equals or be slightly larger than the height of paddy portion 112.
Respectively through the starting point of peak portion 111 and terminal and with the first angle a of tangent two tangent lines of the curved surface of peak portion 111 be 100～150 °, respectively through the starting point of paddy portion 112 and terminal and with the second angle b of tangent two tangent lines of the curved surface of paddy portion 112 be 100～150 °.In better embodiment, respectively through the starting point of peak portion 111 and terminal and with the first angle a of tangent two tangent lines of the curved surface of peak portion 111 be 120～130 °, respectively through the starting point of paddy portion 112 and terminal and with the second angle b of tangent two tangent lines of the curved surface of paddy portion 112 be 120～130 °.
The bottom surface of base material is covered with the concavo-convex random line of a plurality of concavo-convex optical points and a plurality of out of order arranged distribution, and the out of order arranged distribution of each concavo-convex optical point is among the space between each concavo-convex random line.Base material goes out concave-convex curved surface 1, concavo-convex optical point and concavo-convex random line by extruding-out process is one-body molded.Concavo-convex random line is irregular sequence, and PMMA sheet material or sheet material, MS sheet material or sheet material, PC sheet material or sheet material go out concave-convex curved surface 1, concavo-convex optical point and concavo-convex random line by extruding-out process is one-body molded.Arbitrary concavo-convex random line is all crooked tortuous, and in arbitrary concavo-convex random line, the width of each section is not identical.
Wherein, the maximum radius of concavo-convex optical point is 0.05～0.5mm, and it is 0.01～0.3mm at the height of substrate surface or the degree of depth caving in down to base material that concavo-convex optical point protrudes; The breadth extreme of concavo-convex random line is 0.2～1mm, and it is 0.01～0.3mm at the height of substrate surface or the degree of depth caving in down to base material that the concavo-convex random line of bar protrudes.
The utility model cost is low, is easy to produce, and leaded light performance is good, after LED light is injected along light guide plate V ditch, give close incidence surface do not advise side disorderly some pointolite is transferred to area source.LED light source is had to stronger light guide effect, and it is softer and even that the light of deriving by light guide plate becomes.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. an improved light guide plate, comprise by acrylic, PMMA, the base material that MS or PC sheet material/sheet material are made, it is characterized in that: the two sides of base material forms concave-convex curved surface (1) by extrusion technology, concave-convex curved surface (1) is by the curved face unit (11) of some continuous distribution, curved face unit (11) is along first direction continuous distribution, the lateral cross section shape approximation of curved face unit (11) is in the shape of sinusoidal curve or cosine curve, a curved face unit (11) comprises the peak portion (111) of arc of an elongate in shape and the paddy portion (112) of the arc of an elongate in shape, the He Gubu of peak portion (111) (112) extends along second direction, second direction is perpendicular to first direction, the first width L of a curved face unit (11) is 0.2～0.6mm, the top of the peak portion (111) of a curved face unit (11) is 0.01～0.2mm to the vertical height H of the bottommost of paddy portion (112).
2. a kind of improved light guide plate according to claim 1, it is characterized in that: the shape approximation of described concave-convex curved surface (1) is in the wave-like of continuous distribution, it is concave-convex curved surface (1) described in the extrusion die extrusion molding of 100～150 °, the degree of depth V-arrangement grooving that is 0.01～0.2mm that base material utilizes surface forming to have some angles in extruding-out process, and two sides perpendicular to second direction on base material are chosen to be the light source plane of incidence.
3. a kind of improved light guide plate according to claim 1, is characterized in that: the first width L of a described curved face unit (11) is 0.05～0.6mm.
4. a kind of improved light guide plate according to claim 1, it is characterized in that: the width of the peak portion (111) in a described curved face unit (11) equals or be slightly larger than the width of paddy portion (112), and the height of peak portion (111) equals or be slightly larger than the height of paddy portion (112).
5. a kind of improved light guide plate according to claim 1, it is characterized in that: respectively through the starting point of peak portion (111) and terminal and with the first angle a of tangent two tangent lines of the curved surface of peak portion (111) be 100～150 °, pass through respectively the starting point of paddy portion (112) and terminal and with the second angle b of tangent two tangent lines of the curved surface of paddy portion (112) be 100～150 °.
6. a kind of improved light guide plate according to claim 1, it is characterized in that: respectively through the starting point of peak portion (111) and terminal and with the first angle a of tangent two tangent lines of the curved surface of peak portion (111) be 120～130 °, pass through respectively the starting point of paddy portion (112) and terminal and with the second angle b of tangent two tangent lines of the curved surface of paddy portion (112) be 120～130 °.
7. according to a kind of improved light guide plate one of claim 1-6 Suo Shu, it is characterized in that: described base material bottom surface is covered with the concavo-convex random line of a plurality of concavo-convex optical points and a plurality of out of order arranged distribution, and the out of order arranged distribution of each concavo-convex optical point is among the space between each concavo-convex random line.
8. a kind of improved light guide plate according to claim 7, is characterized in that: described base material goes out concave-convex curved surface (1), concavo-convex optical point and concavo-convex random line by extruding-out process is one-body molded.
9. a kind of improved light guide plate according to claim 7, is characterized in that: described arbitrary concavo-convex random line is all crooked tortuous, and in arbitrary concavo-convex random line, the width of each section is not identical.
10. a kind of improved light guide plate according to claim 7, is characterized in that: the maximum radius of described concavo-convex optical point is 0.05～0.5mm, and it is 0.01～0.3mm at the height of substrate surface or the degree of depth caving in down to base material that concavo-convex optical point protrudes; The breadth extreme of concavo-convex random line is 0.2～1mm, and it is 0.01～0.3mm at the height of substrate surface or the degree of depth caving in down to base material that the concavo-convex random line of bar protrudes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176333.5U CN203909329U (en) | 2014-04-11 | 2014-04-11 | Improved light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176333.5U CN203909329U (en) | 2014-04-11 | 2014-04-11 | Improved light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203909329U true CN203909329U (en) | 2014-10-29 |
Family
ID=51783591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420176333.5U Expired - Fee Related CN203909329U (en) | 2014-04-11 | 2014-04-11 | Improved light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203909329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941327A (en) * | 2014-04-11 | 2014-07-23 | 东莞市鑫聚光电科技有限公司 | Improved light guide plate |
-
2014
- 2014-04-11 CN CN201420176333.5U patent/CN203909329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941327A (en) * | 2014-04-11 | 2014-07-23 | 东莞市鑫聚光电科技有限公司 | Improved light guide plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tangxia Town, Guangdong city of Dongguan province 523000 Qing Lake Phoenix Road No. 98 Patentee after: DONGGUAN XINJU OPTRONICS Inc. Address before: Tangxia Town, Guangdong city of Dongguan province 523000 Qing Lake Phoenix Road No. 98 Patentee before: DONGGUAN XINJU OPTICAL-ELECTR TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221009 Address after: Hengsan Road, Second District, Wufeng Town Industrial Park, Wan'an County, Ji'an City, Jiangxi Province 343800 (2019 Standard Workshop 7, 8#) Patentee after: Jiangxi Xinhangxing New Material Co.,Ltd. Address before: No. 98, Fenghuang Road, Qinghutou, Tangxia Town, Dongguan, Guangdong 523000 Patentee before: DONGGUAN XINJU OPTRONICS Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |