CN106802447A - Light guide plate and backlight module - Google Patents
Light guide plate and backlight module Download PDFInfo
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- CN106802447A CN106802447A CN201710027393.9A CN201710027393A CN106802447A CN 106802447 A CN106802447 A CN 106802447A CN 201710027393 A CN201710027393 A CN 201710027393A CN 106802447 A CN106802447 A CN 106802447A
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- 230000000994 depressogenic effect Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 230000001186 cumulative effect Effects 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 28
- 238000000034 method Methods 0.000 description 19
- 230000000694 effects Effects 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000000605 extraction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000630 rising effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 2
- 241000278713 Theora Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
Abstract
The present invention discloses a kind of light guide plate and backlight module, and light guide plate includes main body, several first micro-structurals and several second micro-structurals.Main body includes incidence surface, exiting surface and reflecting surface.Reflecting surface is relative to exiting surface.Incidence surface connects exiting surface and reflecting surface.First micro-structural is on exiting surface or reflecting surface, and the first micro-structural is arranged along the first bearing of trend.Second micro-structural is on exiting surface or reflecting surface, and the second micro-structural is arranged along the second bearing of trend.Wherein, the second micro-structural and the first micro-structural be in the same plane and setting intersected with each other.Each second micro-structural is in single bar form, and the other end of the width near one end of incidence surface to away from incidence surface of each the second micro-structural is gradually reduced.
Description
The application is that, based on Application No. 201310369663.6, the applying date is on 08 20th, 2013, and application is artificial auspicious
Instrument Photoelectric Co., Ltd., the divisional application of the invention proposition of the light guide plate of entitled tool polytropism structure.
Technical field
The present invention relates to a kind of leaded light component, more particularly to a kind of light guide plate and backlight module.
Background technology
Light guide plate has incidence surface, exiting surface and reflecting surface.The light that light source is provided is entered by the incidence surface of light guide plate
Enter in light guide plate, projected by the exiting surface of light guide plate.In order that must can more uniformly mix by the light source inside light guide plate,
Micro-structural, such as point-like micro-structural or strip micro-structural would generally be set in the exiting surface of light guide plate or reflecting surface.
However, the structure for being typically provided the surface of point-like micro-structural is rougher, light can be formed behind contact structures surface
Diffusion so that direction of the light after light guide plate is reflected is inconsistent and light energy is not concentrated, and then cause briliancy not good.
Another technology is then micro- by the strip for setting different bearing of trends in light guide plate exiting surface and reflecting surface respectively
Structure.Briliancy effect produced by this kind of light guide plate for being provided with strip micro-structural is good compared with the light guide plate for being provided with dots structure, but
Easily produce bright dark line and influence the optical appearance of light guide plate.
Therefore, a kind of light guide plate is needed badly, to solve the above problems.
The content of the invention
Therefore, one of the object of the invention is to provide a kind of light guide plate for having polytropism structure, by arranged in a crossed manner in leaded light
The first micro-structural and the second micro-structural on the same face of plate are produced while controlling the rising angle and optics trend of light guide plate
Function, and can reach mixed light and light extraction effect evenly.Furthermore, by the first micro-structural and the second micro-structure surface
Roughening or the treatment of atomization, can lift the uniformity of the overall light extraction outward appearance of light guide plate.Additionally, foregoing first micro-structural and
Two micro-structurals can all be made using existing micro-structural Processes and apparatus, it is not necessary to additionally purchase new process equipment, therefore
The burden of process costs is not resulted in.
According to above-mentioned purpose of the present invention, a kind of light guide plate for having polytropism structure is proposed, it includes main body, several first micro-
Structure and several second micro-structurals.Main body includes incidence surface, exiting surface and reflecting surface.Reflecting surface is relative to exiting surface.Incidence surface
Connection exiting surface and reflecting surface.First micro-structural is on exiting surface or reflecting surface, and the first micro-structural is along the first extension side
To arrangement.Second micro-structural is on exiting surface or reflecting surface, and the second micro-structural is arranged along the second bearing of trend.Wherein,
Second micro-structural and the first micro-structural be in the same plane and setting intersected with each other.And, each second micro-structural is in single
One bar form, and each the second micro-structural the other end of the width near one end of incidence surface to away from incidence surface gradually
Reduce.
According to one embodiment of present invention, above-mentioned second micro-structural blocks each first micro-structural.
According to another embodiment of the present invention, above-mentioned first bearing of trend is vertical with the second bearing of trend.
According to further embodiment of this invention, above-mentioned each first micro-structural or each second micro-structural be convex shaped part or
Depressed part.
According to yet another embodiment of the invention, when each second micro-structural is convex shaped part, the height of convex shaped part is from being close to
One end of incidence surface is gradually reduced to the other end away from incidence surface.When each second micro-structural is depressed part, depressed part
The other end of the depth near one end of incidence surface to away from incidence surface be gradually reduced.
According to yet another embodiment of the invention, the section profile of above-mentioned each the first micro-structural is V-arrangement or inverted V-shaped, and often
The first angle and the second angle are formed between two surfaces of one the first micro-structural and exiting surface or reflecting surface.
According to yet another embodiment of the invention, the section profile of above-mentioned each the second micro-structural is V-arrangement, inverted V-shaped, circular arc
Or it is trapezoidal
According to yet another embodiment of the invention, the spacing of adjacent pairs is appointed for identical in above-mentioned first micro-structural, and second
The spacing for appointing adjacent pairs in micro-structural is identical.
According to yet another embodiment of the invention, the spacing of adjacent pairs is appointed for identical in above-mentioned first micro-structural, and second
Appoint the spacing of adjacent pairs to differ in micro-structural.
According to yet another embodiment of the invention, the spacing of adjacent pairs is appointed to differ in above-mentioned first micro-structural, and the
The spacing for appointing adjacent pairs in two micro-structurals is identical.
According to yet another embodiment of the invention, the spacing of adjacent pairs is appointed to differ in above-mentioned first micro-structural, and the
Appoint the spacing of adjacent pairs to differ in two micro-structurals.
According to yet another embodiment of the invention, the surface of above-mentioned at least one of first micro-structural is cloudy surface, line face or thick
Matte.
According to yet another embodiment of the invention, the surface of above-mentioned at least one of second micro-structural is cloudy surface, line face or thick
Matte.
Brief description of the drawings
It is that above and other purpose of the present invention, feature, advantage and embodiment can be become apparent, the explanation of accompanying drawing is such as
Under：
Fig. 1 is the structural representation of the light guide plate for showing a kind of tool polytropism structure according to first embodiment of the invention
Figure.
Fig. 2 is the fragmentary sectional view for showing a kind of first micro-structural according to first embodiment of the invention.
Fig. 3 is the fragmentary sectional view for showing another first micro-structural according to first embodiment of the invention.
Fig. 4 is the fragmentary sectional view for showing a kind of second micro-structural according to first embodiment of the invention.
Fig. 5 is the fragmentary sectional view for showing another second micro-structural according to first embodiment of the invention.
Fig. 6 is the structural representation of the light guide plate for showing a kind of tool polytropism structure according to second embodiment of the invention
Figure.
Fig. 7 is to show the optical field distribution song according to third embodiment of the invention and comparative example 1, comparative example 2 and comparative example 3
Line chart.
Fig. 8 is shown according to third embodiment of the invention and the optical field distribution curve map for comparing 4 and comparative example 5.
Specific embodiment
Reference picture 1, its light guide plate for showing a kind of tool polytropism structure according to first embodiment of the invention
Structural representation.The light guide plate 100 of present embodiment can be applied in backlight module (not shown).Light guide plate 100 may include master
Body 120 and a plurality of micro-structurals, wherein this plurality of micro-structural can for example include a plurality of first micro-structurals 140 and plural number
Individual second micro-structural 160.By the first micro-structural 140 and the second micro-structural 160 that are arranged in main body 120, can change simultaneously
Become and adjust light into the rising angle and optics trend of injection after light guide plate 100.
In light guide plate 100, main body 120 can be light-passing board or other equivalent transmission elements.Main body 120 mainly includes into light
The first type surface of face 122 and at least one, wherein this at least one first type surface can for example include exiting surface 124 and reflecting surface 126, main
Surface has a composition pair and the first ora terminalis S1 and the second ora terminalis S2 parallel to each other.In the present embodiment, the first ora terminalis S1 is
The edge that first type surface is connected with incidence surface 122, the second ora terminalis S2 is edge of the first type surface away from incidence surface 122.Reflecting surface 126 with
Exiting surface 124 is respectively positioned at the opposite sides of main body 120.Additionally, the connection exiting surface 124 of incidence surface 122 and reflecting surface 126, also
That is relative two sides of incidence surface 122 connect with one side of exiting surface 124 and one side of reflecting surface 126 respectively.Wherein, light source 190
It is arranged on by incidence surface 122, and light produced by light source 190 can enter light guide plate 100 by incidence surface 122.First micro-structural
140 is in the same plane with the second micro-structural 160.That is, the first micro-structural 140 sets with the second micro-structural 160 simultaneously
Put on exiting surface 124 or on reflecting surface 126.In further embodiments, can be same on exiting surface 124 and reflecting surface 126
When the first micro-structural 140 and the second micro-structural 160 are set.And, the first micro-structural 140 and the second micro-structural on the same face
160 is in setting intersected with each other.In one embodiment, the second micro-structural 160 can block each first micro-structural 140.
As shown in figure 1, all first micro-structurals 140 be arranged on exiting surface 124 along the first bearing of trend D1 and from
First ora terminalis S1 is arranged to the second ora terminalis S2.On the other hand, all second micro-structurals 160 are arranged in along the second bearing of trend D2
The second ora terminalis S2 is extended on exiting surface 124 and from the first ora terminalis S1.Wherein, each second micro-structural 160 can be in single
Strip kenel.And, the width of each the second micro-structural 160 is past away from incidence surface 122 from the one end for being close to incidence surface 122
Direction is gradually reduced.Because the first micro-structural 140 on the same face and the second micro-structural 160 are in setting intersected with each other, therefore the
Two bearing of trend D2 are different from the first bearing of trend D1.That is, as shown in figure 1, the region of the first micro-structural 140 is
First area A1, the region of the second micro-structural 160 is second area A2, and second area A2 adjacent to first area
A1.Be additionally, since the second micro-structural 160 arranged in a crossed manner with the first micro-structural 140, and each the second micro-structural 160 width
Direction near one end of incidence surface 122 toward away from incidence surface 122 is gradually reduced, therefore, as shown in Figure 1, each first
The width of region A1 gradually increases near one end of incidence surface 122 to the other end away from incidence surface 122, and each second
The width of region A2 is gradually reduced from the one end near incidence surface 122 to the other end away from incidence surface 122.In one embodiment
In, the first bearing of trend D1 is vertical with the second bearing of trend D2, but is not limited.Specifically, Fig. 1 is with the first micro-structural
140 and second the embodiment simultaneously on exiting surface 124 of micro-structural 160 as explanation, and be not used to the limitation present invention.First
The micro-structural 160 of micro-structural 140 and second can also be arranged on reflecting surface 126 simultaneously.
A kind of first micro-structural according to first embodiment of the invention is showed refering to Fig. 1 and Fig. 2, Fig. 2 in the lump
Fragmentary sectional view.In one embodiment, each first micro-structural 140 can be the convex shaped part for protruding from exiting surface 124, and each
The section profile of the first micro-structural 140 is inverted V-shaped.And, each first micro-structural 140 has what is be connected with exiting surface 124
Two surfaces 140a and 140b.The first angle α and second are formed between the two surfaces 140a and 140b and exiting surface 124 respectively
Angle β.Wherein, the angle of the first angle α and the second angle β can set according to the angle of the light for entering light guide plate 100 difference
Meter, can thereby change light into the rising angle after light guide plate 100, to lift the luminous flux and briliancy of overall light guide plate 100
Value.Meanwhile, the shape of each the first micro-structural 140 can also change with the angle change of the first angle d and the second angle β
Become, and the top of each the first micro-structural 140 can also change with the vertical height of exiting surface 124.In one embodiment
In, v-shaped structure 180 or other can be additionally provided with reflecting surface 126 has the micro-structural of identity function.
It is that another first micro-structural according to first embodiment of the invention is shown referring concurrently to Fig. 2 and Fig. 3, Fig. 3
Fragmentary sectional view.In the embodiment of fig. 2, the first micro-structural 140 is arranged in the way of continous way, and these first micro-structurals
140 directly connected to each other connect.In the fig. 3 embodiment, the first micro-structural 140 is arranged in the way of discontinuous, and each
First micro-structural 140 is not interconnected.Specifically, the first micro-structural 140 can continuously, discontinuous or part is continuous and part
Discontinuous mode is arranged on exiting surface 124 or reflecting surface 126.And, between appointing between two neighboring first micro-structural 140
Can be identical or differ away from P.The spacing P between two neighboring first micro-structural 140 is adjusted by adjust the first micro-structural
The density degree of arrangement, can also change the briliancy and luminous flux of light guide plate 100, and then improve the light extraction of light guide plate 100 and spend together.
Reference picture 1 and Fig. 4, Fig. 4 are the offices for showing a kind of second micro-structural according to first embodiment of the invention in the lump
Portion's cut-away view.In the present embodiment, the second micro-structural 160 can be the depressed part of recessed exiting surface 124, and the second micro-structural 160
Section profile be circular arc.And, each second micro-structural 160 is located on exiting surface 124, along the first bearing of trend D1
The first whole micro-structurals 140 are blocked in extension.In one embodiment, the depth D of the second micro-structural 160 is by near incidence surface
122 one end is gradually reduced to the direction away from incidence surface 122.In one example, can be by adjusting the second micro-structural 160
Depth D and width W is truncated the distance between rear first remaining micro-structural 140 and is truncated rear remaining to change
The first micro-structural 140 length.Therefore, by the depth D and width W for changing the second micro-structural 160, thus it is possible to vary light guide plate
100 optics trend.
Reference picture 5, it is the fragmentary sectional view for showing another second micro-structural according to first embodiment of the invention.
In the present embodiment, the section profile of the second micro-structural 160 is trapezoidal.In one example, the section wheel of the second micro-structural 160
Exterior feature can be V-arrangement.In some instances, the section profile of the second micro-structural 160 for example can be added by R knives, V knives, flat cutter or polycrystalline knife
The profile that work is formed.Different sectional outline shapes can make light guide plate 100 produce different light collecting effects.
Specifically, the second micro-structural 160 shown in Fig. 4 and Fig. 5 has no interconnection each other, but in other embodiment
In, the second micro-structural 160 can also be connected each other, and be in that continuous mode is arranged.And, appoint two neighboring second micro-structural
Spacing P ' between 160 can be identical or differ.The spacing P ' between two neighboring second micro-structural 160 is adjusted by adjust
The density degree of the whole arrangement of second micro-structural 160, and then the light-guiding function of light guide plate 100 can be lifted.
Reference picture 6, it is the knot of the light guide plate for showing a kind of tool polytropism structure according to second embodiment of the invention
Structure schematic diagram.The light guide plate 200 of present embodiment equally may include main body 220 and a plurality of micro-structurals, and wherein this is a plurality of
Micro-structural can for example include a plurality of first micro-structurals 240 and a plurality of second micro-structurals 260.Main body 220 includes incidence surface
222 and at least one first type surface, wherein this at least one first type surface can for example include exiting surface 224 and reflecting surface 226.Master meter
Face has a composition pair and the first ora terminalis S1 and the second ora terminalis S2 parallel to each other.In the present embodiment, based on the first ora terminalis S1
The edge that surface is connected with incidence surface 222, the second ora terminalis S2 is edge of the first type surface away from incidence surface 222.Light source 290 is arranged on
By incidence surface 222, and light produced by light source 290 can enter light guide plate 200 by incidence surface 222.Wherein, the first micro-structural
240 and second micro-structural 260 be all the convex shaped part for protruding from exiting surface 224.First micro-structural 240 and the second micro-structural 260
Section profile is respectively inverted V-shaped and circular arc.Wherein, all of first micro-structural 240 is arranged in along the first bearing of trend D1
On exiting surface 224, and arranged to the second ora terminalis S2 from the first ora terminalis S1.All of second micro-structural 260 extends along second
Direction D2 is arranged on exiting surface 224, and the second micro-structural 260 extends to the second ora terminalis S2 from the first ora terminalis S1.Wherein, second
Micro-structural 260 is intersected with each first micro-structural 240 and blocks the first micro-structural 240.Similarly, as shown in fig. 6, first is micro-
The region of structure 240 is first area A1, and the region of the second micro-structural 260 is second area A2, and the secondth area
Domain A2 is adjacent to first area A1.Be additionally, since the second micro-structural 260 arranged in a crossed manner with the first micro-structural 240, and each
Direction of the width of two micro-structurals 260 near one end of incidence surface 222 toward away from incidence surface 222 is gradually reduced, therefore, by scheming
3 understand, the width of each first area A1 near one end of incidence surface 222 to the other end away from incidence surface 222 gradually
Increase, and the width of each second area A2 near incidence surface 222 one end to the other end away from incidence surface 222 gradually
Reduce.Wherein, each second micro-structural 260 equally can be in single strip kenel.And, each the second micro-structural 260
Directions of the width W near one end of incidence surface 222 toward away from incidence surface 222 is gradually reduced.In another embodiment, second is micro-
The height H of structure 260 is gradually reduced to the direction away from incidence surface 222 from the one end near incidence surface 222.
In one embodiment, the height H and width W of the second micro-structural 260 can be equally adjusted by change each
It is truncated the distance between rear first remaining micro-structural 240 and is truncated the length of the first remaining micro-structural 240.
Therefore, by the height H and width W for changing the second micro-structural 260, thus it is possible to vary the optics trend of light guide plate 200.In a reality
In applying example, v-shaped structure 280 or other can be additionally provided with reflecting surface 226 has the micro-structural of identity function.
Hereinafter hereby made comparisons with known light guide plate with the 3rd implementation method.Reference picture 7, it is shown according to the present invention
The optical field distribution curve map of the 3rd implementation method and comparative example 1, comparative example 2 and comparative example 3.Wherein, the 3rd implementation method is being led
The exiting surface of tabula rasa sets v-shaped structure and reflecting surface sets the first micro-structural and the second micro-structural, and comparative example 1 sets for general one side
There is the light guide plate of dots structure, comparative example 2 is that exiting surface sets v-shaped structure and reflecting surface sets the light guide plate of dots structure, than
Compared with example 3 for respectively in exiting surface and the light guide plate of the v-shaped structure of the different bearing of trends of reflecting surface setting.As shown in Figure 7, in figure most
The curve that the emulation experiment data of light guide plate of the thick curve 700 according to the 3rd implementation method are obtained, compared to other bases
The emulation experiment data of comparative example 1,2 and 3 obtain curve 720,740 and 760 and smooth.This represents, by arranged in a crossed manner the
One micro-structural and the second micro-structural can effectively control optical field distribution angle.Curve 720,740 and 760 of comparative example 1-3 are concavo-convex not
Flat place represents the noise of light energy losses, so represents poor for the control effect of optical field distribution angle.
With reference to table 1 below, it is to distinguish the light guide plate of foregoing 3rd implementation method, comparative example 1, comparative example 2 and comparative example 3
After three blooming pieces of collocation and four blooming pieces, produced briliancy comparison sheet.As shown in Table 1, comparative example 3 is in exiting surface
And the light guide plate design of the v-shaped structure of the different bearing of trends of reflecting surface setting is helpful to for lifting briliancy.However, comparing
The light conducting plate structure design of example 3 can cause light guide plate with blooming piece absorption and the problem of bright dark line.On the contrary, the 3rd embodiment party
The light guide plate of formula because there is the first micro-structural and the second micro-structural simultaneously in reflecting surface, except can overcome above-mentioned light guide plate with
Outside blooming piece absorption and bright dark line problem, preferably briliancy effect can be more produced.
The briliancy comparison sheet of the implementation method of table 1 the 3rd and comparative example 1-3
Reference picture 8, it is to show the optical field distribution song according to third embodiment of the invention and comparative example 4 and comparative example 5
Line chart.Wherein, comparative example 4 is that exiting surface sets the light guide plate that v-shaped structure, reflecting surface set sandblasted structures, and comparative example 5 is light extraction
Face sets vertical v-shaped structure and reflecting surface sets the light guide plate of lenticule.As shown in Figure 8, curve 700 most thick in figure is basis
The curve that the emulation experiment data of the light guide plate of the 3rd implementation method are obtained, compared to other according to the emulation of comparative example 4 and 5
Experimental data obtains curve 820 and 840 and smooths.This expression, can by the first micro-structural and the second micro-structural arranged in a crossed manner
Effectively control optical field distribution angle.Other rough places of curve 820 and 840 represent the noise of light energy losses, so
Represent poor for the control effect of optical field distribution angle.
With reference to table 2 below, it is that the light guide plate of foregoing 3rd implementation method, comparative example 4 and comparative example 5 is arranged in pairs or groups one respectively
After reversed prism diaphragm (turning film), produced briliancy comparison sheet.As shown in Table 2, the light guide plate of the 3rd implementation method
Produced briliancy effect is significantly good compared with comparative example 4 and comparative example 5.
The briliancy comparison sheet of the implementation method of table 2 the 3rd and comparative example 4-5
| Comparative example 4 | Comparative example 5 | 3rd implementation method | |
| Briliancy | 5356(nit) | 4329(nit) | 7177(nit) |
| Gain | 1.0 | 0.81 | 1.34 |
In certain embodiments, except first micro-structural 140 and 240 and the second micro-structural of light guide plate 100 and 200 itself
160 and 260 can simultaneously allow light guide plate to produce outside adjustment rising angle and optics trend, and the first micro-structural 140 and 240 or second is micro-
The surface of structure 160 and 260 can also be processed into cloudy surface, line face or mat surface by way of sandblasting or laser, be used to strengthen
The dimming effect of one micro-structural 140 and 240 and the second micro-structural 160 and 260.
From the invention described above implementation method, advantages of the present invention is mainly by arranged in a crossed manner in the same of light guide plate
The first micro-structural and the second micro-structural on face are produced while control the rising angle of light guide plate and the function of optics trend, and
Can reach mixed light and light extraction effect evenly.Furthermore, by the roughening to the first micro-structural and the second micro-structure surface or
The treatment of atomization, can lift the uniformity of the overall light extraction outward appearance of light guide plate.Additionally, foregoing first micro-structural and the second micro-structural
Can all be made using existing micro-structural Processes and apparatus, it is not necessary to additionally purchase new process equipment, therefore do not result in
The burden of process costs.
Although the present invention is disclosed above with implementation method, so it is not limited to the present invention, any art technology
Personnel without departing from the spirit and scope of the present invention, when can make various changes or modifications, therefore work as by protection scope of the present invention
It is defined by the scope that claim is defined.
Symbol description
100 light guide plates
120 main bodys
122 incidence surfaces
124 exiting surfaces
126 reflectings surface
140 first micro-structurals
140a surfaces
140b surfaces
160 second micro-structurals
180 v-shaped structures
190 light sources
200 light guide plates
220 main bodys
222 incidence surfaces
224 exiting surfaces
226 reflectings surface
240 first micro-structurals
260 second micro-structurals
280 v-shaped structures
290 light sources
700 curves
720 curves
740 curves
760 curves
820 curves
840 curves
A1 first areas
A2 second areas
D depth
The bearing of trends of D1 first
The bearing of trends of D2 second
H is highly
P spacing
P ' spacing
The ora terminalis of S1 first
The ora terminalis of S2 second
W width
The angles of α first
The angles of β second
Claims (20)
1. a kind of light guide plate, including：
Main body, including：
Incidence surface；And
The first type surface of at least one connection incidence surface；
A plurality of first areas；
A plurality of second areas, it is adjacent with each first area, and a plurality of first areas and a plurality of secondth areas
Domain is located at least one first type surface described in identical；
Wherein, the width of each first area near the incidence surface one end to the other end away from the incidence surface by
Cumulative big, the width of second area is gradually reduced from the one end near the incidence surface to the other end away from the incidence surface；
And
Wherein, a plurality of first areas are laid with plural number with least one of subregion of a plurality of second areas
Individual micro-structural.
2. a kind of light guide plate, including：
Main body, including：
Incidence surface；And
The first type surface of at least one connection incidence surface；
At least one first area；
At least one second area, it is adjacent with least one first area, and at least one first area with it is described
At least one second area is located at least one first type surface described in identical；And
Wherein, at least one first area is laid with least one of subregion of at least one second area
A plurality of micro-structurals, and the micro-structural positioned at least one first area is tangential on positioned at described at least one second
The micro-structural in region.
3. light guide plate as claimed in claim 1 or 2, wherein, the micro-structural includes a plurality of first micro-structurals, and each the
One region is laid with first micro-structural, and first micro-structural is arranged along first bearing of trend.
4. light guide plate as claimed in claim 3, wherein, first micro-structural is without compartment of terrain continuous arrangement.
5. light guide plate as claimed in claim 3, wherein, the micro-structural also includes a plurality of second micro-structurals, and each the
Two regions are laid with single the second micro-structural, and second micro-structural is arranged along second bearing of trend, and described
First bearing of trend is intersected with each other with second bearing of trend.
6. light guide plate as claimed in claim 5, the second micro-structural described in each of which blocks each first micro-structural.
7. light guide plate as claimed in claim 5, wherein first bearing of trend is vertical with second bearing of trend.
8. light guide plate as claimed in claim 5, the first micro-structural described in each of which or each second micro-structural are
Convex shaped part or depressed part.
9. light guide plate as claimed in claim 8, wherein when each described second micro-structural is the convex shaped part, it is described convex
The height in shape portion is gradually reduced from the end near the incidence surface to the other end away from the incidence surface, wherein when
When each described second micro-structural is the depressed part, the depth of the depressed part near the end of the incidence surface to
The other end away from the incidence surface is gradually reduced.
10. light guide plate as claimed in claim 5, the section profile of the first micro-structural described in each of which is V-arrangement or V
The first angle and the second folder are formed between shape, and two surfaces of each first micro-structural and at least one first type surface
Angle.
11. light guide plates as claimed in claim 5, the section profile of the second micro-structural described in each of which be V-arrangement, inverted V-shaped,
Circular arc is trapezoidal.
12. light guide plates as claimed in claim 5, wherein the spacing for appointing adjacent pairs in first micro-structural is identical,
And the spacing for appointing adjacent pairs in second micro-structural is identical.
13. light guide plates as claimed in claim 5, wherein the spacing for appointing adjacent pairs in first micro-structural is identical,
And appoint the spacing of adjacent pairs to differ in second micro-structural.
14. light guide plates as claimed in claim 5, wherein the spacing for appointing adjacent pairs in first micro-structural is not phase
Together, the spacing for appointing adjacent pairs and in second micro-structural is identical.
15. light guide plates as claimed in claim 5, wherein the spacing for appointing adjacent pairs in first micro-structural is not phase
Together, the spacing of adjacent pairs is appointed to differ and in second micro-structural.
16. light guide plates as claimed in claim 5, the surface of first micro-structural of a wherein at least part is cloudy surface, line
Face or mat surface.
17. light guide plates as claimed in claim 5, the surface of second micro-structural of a wherein at least part is cloudy surface, line
Face or mat surface.
18. light guide plates as claimed in claim 1, wherein the micro-structural positioned at the first area is tangential on positioned at described
The periphery of the micro-structural of second area.
19. light guide plates as claimed in claim 2, wherein, the first type surface has a composition pair and first end parallel to each other
With the second end, and another composition pair and the 3rd end parallel to each other and the 4th end, positioned at least one first area
The micro-structural is arranged along the first bearing of trend and extends to second end from the first end, positioned at described at least one
The micro-structural of individual second area is arranged along the second bearing of trend and extends to the 4th end from the 3rd end.
A kind of 20. backlight modules, including：
Light guide plate according to any one of claim 1 to 19；And
Light source, is arranged on by the incidence surface of the light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710027393.9A CN106802447A (en) | 2013-08-20 | 2013-08-20 | Light guide plate and backlight module |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710027393.9A CN106802447A (en) | 2013-08-20 | 2013-08-20 | Light guide plate and backlight module |
| CN2013103696636A CN103424801A (en) | 2013-08-20 | 2013-08-20 | Light guide plate with multi-direction structure |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013103696636A Division CN103424801A (en) | 2013-08-20 | 2013-08-20 | Light guide plate with multi-direction structure |
Publications (1)
| Publication Number | Publication Date |
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| CN106802447A true CN106802447A (en) | 2017-06-06 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710027393.9A Pending CN106802447A (en) | 2013-08-20 | 2013-08-20 | Light guide plate and backlight module |
| CN2013103696636A Pending CN103424801A (en) | 2013-08-20 | 2013-08-20 | Light guide plate with multi-direction structure |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103696636A Pending CN103424801A (en) | 2013-08-20 | 2013-08-20 | Light guide plate with multi-direction structure |
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| CN (2) | CN106802447A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109964157A (en) * | 2017-10-26 | 2019-07-02 | 瑞仪(广州)光电子器件有限公司 | Light guide plate, backlight module and display device |
| CN111427191A (en) * | 2019-08-30 | 2020-07-17 | 达运精密工业股份有限公司 | Backlight module and manufacturing method of light guide plate |
| CN113189695A (en) * | 2021-05-13 | 2021-07-30 | 业成科技（成都）有限公司 | Backlight module and manufacturing method thereof |
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| TWI485453B (en) | 2014-01-02 | 2015-05-21 | Radiant Opto Electronics Corp | Light guide plate |
| US9442240B2 (en) | 2012-03-16 | 2016-09-13 | Radiant Opto-Electronics Corporation | Light guide plate and light source module |
| CN108776408A (en) * | 2015-05-28 | 2018-11-09 | 江苏双星彩塑新材料股份有限公司 | A kind of light guide plate optical diaphragm |
| CN105116598B (en) * | 2015-09-11 | 2018-09-28 | 青岛海信电器股份有限公司 | A kind of backlight module, prismatic lens and television set |
| WO2019218113A1 (en) | 2018-05-14 | 2019-11-21 | 瑞仪(广州)光电子器件有限公司 | Light guide plate, backlight module and display device |
| CN111812884A (en) * | 2019-04-10 | 2020-10-23 | 中强光电股份有限公司 | Light source module and display device |
| CN111812767B (en) * | 2019-04-11 | 2022-08-19 | 昇印光电（昆山）股份有限公司 | Light guide plate |
| JP7265459B2 (en) * | 2019-09-26 | 2023-04-26 | シャープ株式会社 | Lighting device and display device |
| TWI771824B (en) * | 2020-12-11 | 2022-07-21 | 達運精密工業股份有限公司 | Backlight module and forming method of light guide plate |
| CN114994823B (en) * | 2021-03-02 | 2024-01-30 | 北京小米移动软件有限公司 | Light guide plate, backlight module and terminal |
| CN113552748B (en) * | 2021-09-17 | 2021-12-07 | 扬昕科技(苏州)有限公司 | Light guide plate with partitioned microstructures and light source module |
| CN116917662A (en) * | 2021-12-20 | 2023-10-20 | 京东方科技集团股份有限公司 | Light guide plate and backlight module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109964157A (en) * | 2017-10-26 | 2019-07-02 | 瑞仪(广州)光电子器件有限公司 | Light guide plate, backlight module and display device |
| US10816715B2 (en) | 2017-10-26 | 2020-10-27 | Radiant (Guangzhou) Opto-Electronics Co., Ltd. | Light guide plate, backlight module and display device |
| CN111427191A (en) * | 2019-08-30 | 2020-07-17 | 达运精密工业股份有限公司 | Backlight module and manufacturing method of light guide plate |
| CN111427191B (en) * | 2019-08-30 | 2023-09-15 | 达运精密工业股份有限公司 | Backlight module and manufacturing method of light guide plate |
| CN113189695A (en) * | 2021-05-13 | 2021-07-30 | 业成科技（成都）有限公司 | Backlight module and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103424801A (en) | 2013-12-04 |
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