CN207557520U - It is a kind of available for the light guide plate in polarized backlight source and polarized backlight source - Google Patents
It is a kind of available for the light guide plate in polarized backlight source and polarized backlight source Download PDFInfo
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- CN207557520U CN207557520U CN201721824294.5U CN201721824294U CN207557520U CN 207557520 U CN207557520 U CN 207557520U CN 201721824294 U CN201721824294 U CN 201721824294U CN 207557520 U CN207557520 U CN 207557520U
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Abstract
The utility model is related to a kind of available for the light guide plate in polarized backlight source and polarized backlight source.The light guide plate includes：Incidence surface；Light-emitting surface, the light-emitting surface are connected to the incidence surface；First surface, the first surface are connected to the incidence surface and substantially parallel relative to the light-emitting surface；And miniature array, the miniature array is arranged on the first surface and including multiple microstructure arranged in parallel, the microstructure extends along the direction vertical with the incidence surface, and the miniature array is separated with the incidence surface and has one to be spaced, wherein, the light guide plate is configured to be totally reflected natural light of the mode propagation by incidence surface incidence.The light guide plate of the utility model can improve the uniformity of the polarised light being emitted by polarized backlight source in the horizontal by the microstructure of cross direction profiles.
Description
Technical field
The utility model is related to technical field of liquid crystal display, more particularly to a kind of light guide plate available for polarized backlight source and
Polarized backlight source.
Background technology
Flat-panel monitor such as liquid crystal display (LCD) is the necessary parts of the electronic equipment of numerous species.As passive-type
Luminescent device, liquid crystal display are that a kind of backlight by the display screen back side carrys out screen illuminating.Due to liquid crystal flat panel display
Display requirement, the light efficiently used be particular polarization light.For the backlight of traditional outgoing natural light, finally
For the utilization rate of light intensity often less than the 5% of original light intensity, light loss is very high.If the light being depleted is not recycled, can
Cause the adverse effects such as temperature raising.In order to solve this problem, one of which solution is can directly to be sent out using one kind
The backlight of polarised light achievees the effect that improve light utilization efficiency.In this solution, directly used in back light source structure
Polarization separation technology, using polarizing relevant total reflection, scattering and being coated with optically anisotropic material, so as to reach
Send out the purpose of polarised light.
In natural light backlight, there is scattering center in the structure of light guide plate, it can be with dissipating when light is propagated in light guide plate
Heart interaction is hit, makes light direction of propagation rearrangement.The light distribution of rearrangement meets scattering signatures, and angle has very
Wide distribution, some light will no longer satisfy guided-wave conditions and waveguide of escaping as emergent light, the direction of light extraction also depends on scattered
Penetrate the distribution of light.The light not being emitted after being scattered, the direction of propagation can have larger difference with incident light.
Common illuminator is LED light source in common backlight, is made of a series of discrete LED chips, original
Incident light is discontinuous on plane of incidence horizontal direction.But after the propagation of a distance, adjacent LED chip is sent out
Light makes whole light intensity reach uniform in the horizontal because waveguide, the effect of scattering center can be mixed mutually, and makes finally from backlight
The light of outgoing is uniform in the horizontal.
In polarized backlight source, same type of LED light source can be also used, therefore there is also the adjustment of horizontal homogeneity to ask
Topic.However it is different from the outgoing mechanism of common backlight, which there is propagation of the light in light guide plate in polarized backlight source, specifically will
It asks, final emergent light depends on the waveguide mode propagated in light guide plate and its interaction between polarization separation layer.By
Emergent light in polarized backlight source is not only embodied in light intensity the dependence of incident light, is also embodied in the incident angle of light
On, it requires that the total light intensity of incident light is laterally homogeneous, while the discrete items of incident light each section waveguide is also required also to meet
It is laterally homogeneous.
Accordingly, it is desirable to provide a kind of light guide plate, while laterally homogeneous light extraction is met, to biography of the waveguide in light guide plate
It broadcasts and the interaction between waveguide and adjacent polarization separation layer influences slightly, to be further ensured that from polarized backlight source and be emitted
Linearly polarized light it is laterally homogeneous continuous.
Utility model content
To meet the demand, the utility model proposes a kind of light guide plate available for polarized backlight source, the light guide plates
Including：Incidence surface；Light-emitting surface, the light-emitting surface are connected to the incidence surface；First surface, the first surface are connected to described
Incidence surface and substantially parallel relative to the light-emitting surface；And miniature array, the miniature array are arranged on described first
Surface and including multiple microstructures arranged in parallel, the microstructure extends along the direction vertical with the incidence surface, and
The miniature array is separated with the incidence surface and has an interval, wherein, the light guide plate is configured to be totally reflected mould
Formula conducts the natural light by incidence surface incidence.In preferred embodiments, the length range at the interval is led to be described
0.5% to the 4.0% of tabula rasa longitudinal length.In preferred embodiments, the light guide plate is micro- to 500 at 300 microns
Rice, the depth of the microstructure are more than the 0.5% of the light guide plate.
In preferred embodiments, the microstructure is equidistant and repeated arrangement structure, described equidistant and repeat
Period between the structure of arrangement is the 3%~150% of the light guide plate.
In preferred embodiments, equidistant and repeated arrangement the structure is groove structure.In optional embodiment party
In case, the cross section of the groove structure is isosceles triangle.In preferred embodiments, the base of the isosceles triangle
With the ratio R of height1It is 2 to 6.In a further preferred embodiment, the ratio of the base of the isosceles triangle and height
Example R1It is 2.4 to 3.5.In alternative embodiments, the apex angle of the isosceles triangle be arc angling, the arc angling
Radius of curvature and the isosceles triangle base ratio R2Be 0.10 to 0.45, and the depth of the groove structure with
The ratio R on the base of the isosceles triangle3It is 0.25 to 0.50.
In alternative embodiments, the cross section of the groove structure is isosceles trapezoid.In preferred embodiments,
The short base of the isosceles trapezoid and the ratio R on long base4Be 0.08 to 0.52, and the depth of the groove structure with it is described
The ratio R on the long base of isosceles trapezoid5It is 0.18 to 0.40.
In other optional embodiments, the cross section of the groove structure is light cupuliform.In preferred embodiment party
In case, the short base of the smooth cupuliform and the ratio R on long base6Be 0.08 to 0.52, and the depth of the groove structure with
The ratio R on the long base of the smooth cupuliform7It is 0.18 to 0.40.
In another preferred embodiment, equidistant and repeated arrangement the structure is convex ridge structure.Optional
In embodiment, the cross section of the convex ridge structure is isosceles triangle.It is described miniature in other preferred embodiments
The depth of structure is to differ at random, and the change in depth of the microstructure of arbitrary neighborhood is not more than 50%.
In preferred embodiments, a kind of polarized backlight source is disclosed, the polarized backlight source includes：The leaded light
Plate is arranged on the light source of the incidence surface of the light guide plate and polarization separation layer, the polarization separation layer and the leaded light
Plate substantially size is consistently arranged on the light-emitting surface side of the light guide plate.
The utility model sets multiple edges and the incidence surface Vertical Square on the surface opposite with light-emitting surface of light guide plate
The microstructure arranged to extension, while improving the uniformity of lateral light extraction, when the light guide plate is applied to polarized backlight source,
The uniformity of the polarised light being emitted from polarized backlight source in the horizontal can be also improved, is further ensured that is be emitted from polarized backlight source
Polarised light uniformly continuous.
Description of the drawings
Fig. 1 is the structure diagram of the light guide plate for polarized backlight source of the utility model specific embodiment.
Fig. 2 is the operation principle schematic diagram in the polarized backlight source of the utility model specific embodiment.
Fig. 3 is the operation principle schematic diagram of the light guide plate of the utility model specific embodiment.
Fig. 4 be the utility model specific embodiment light guide plate in the uniformity of single optical waveguide in the horizontal at (a) not
Implement miniature array and (b) implements the effect diagram of miniature array.
Regulation of longitudinal angle is distributed in (a) not when Fig. 5 is the incident light propagation in the light guide plate of the utility model specific embodiment
Implement miniature array and (b) implements the schematic diagram of miniature array.
Fig. 6 is the cross-sectional of the miniature array formed by groove structure in the utility model specific embodiment.
Fig. 7 is the schematic shapes of the groove structure in the utility model specific embodiment.
Fig. 8 is the cross-sectional of the miniature array formed by groove structure in the utility model specific embodiment.
Fig. 9 is the transverse cross-sectional shape schematic diagram of the groove structure in the utility model specific embodiment.
Figure 10 is the cross-sectional of the miniature array formed by convex ridge structure in the utility model specific embodiment.
Specific embodiment
In the following description, in order to reach purpose of explanation recognized there are one comprehensive the utility model,
A large amount of detail is elaborated, it will be evident, however, that those skilled in the art, also may be used without these details
To realize the utility model.In other examples, well known construction and device is shown in box chart.In this respect, it is lifted
Illustrative example embodiment only for explanation, the utility model is not caused to limit.Therefore, the guarantor of the utility model
Shield range is not limited by above-mentioned specific embodiment, is only subject to the range of appended claims.
With reference first to Fig. 1, it illustrates a kind of light guide plates 10 according to the utility model embodiment, can be used for the polarization back of the body
Light source, light guide plate 10 include incidence surface 101, light-emitting surface 102, first surface 103 and by multiple microstructures arranged in parallel
The miniature array of 100 compositions.Incidence surface 101 and light-emitting surface 102 are mutually substantially vertically, 103 base of light-emitting surface 102 and first surface
It is parallel in sheet.Microstructure 100 is arranged on first surface 103, and extending direction and incidence surface 101 are perpendicular, and its
Initial position keeps certain intervals with incidence surface 101.The length L at interval0It can be arrived in the 0.5% of 10 longitudinal length of light guide plate
Change between 4.0%, longitudinal length, that is, light guide plate 10 of light guide plate 10 along 100 extending direction of microstructure length.Each
Microstructure is substantially the same with the interval of incidence surface.The thickness of light guide plate 10 is generally 300 microns to 500 microns, and miniature
The depth H of structure 1000Generally higher than the 0.5% of 10 thickness of light guide plate.Preferably, depth is arrived the 1% of 10 thickness of light guide plate
Between 20%.
Fig. 2 shows a kind of structure in the polarized backlight source using the utility model light guide plate, including light source 20, light guide plate
10 and polarization separation layer 30.Light source 20 is set towards incidence surface 101, and polarization separation layer 30 and 10 size of light guide plate are substantially consistent
Ground is arranged on 102 side of light-emitting surface of light guide plate 10.Enter light guide plate 10 from the natural light that light source 20 is sent out from incidence surface 101,
The continuous alternating reflex in lower surface on it is propagated in the form of waveguide.During propagation, optical waveguide can be from light guide plate 10
With the interface (i.e. the light-emitting surface 102 of light guide plate 10) of polarization separation layer 30 into polarization separation layer 30.Polarization separation layer has double
Refractiveness has ordinary refraction index noWith extraordinary ray refractive index ne.Into the light structure inside it of polarization separation layer 30
Under the action of carry out polarization separation, the light of s- polarizations therein can be separated with certain probability to be penetrated, and the light of p- polarizations is then
Waveguide mode is kept to propagate forward, until being converted to the light outgoing of s- polarizations.
As shown in figure 3, the light source 20 that general polarized backlight source uses is LED light source, it is by a series of individual LED chips
201 compositions.Since position of the LED chip 201 on laterally (direction of multiple LED light source arrangements, similarly hereinafter) is discontinuous, and
Its respective light distribution is non-uniform, so the incident light into light guide plate 10 divides whole or single waveguide
Amount, light intensity in the horizontal is all non-uniform.As shown in (a) in Fig. 4, made with 12 LED chips equidistantly arranged
For incident light source, the single waveguide mode light intensity being emitted after polarization separation layer 30 is very with the distribution of 10 lateral distance of light guide plate
It is non-uniform.Microstructure 100 can make each individual waveguide change direction in the horizontal, and each waveguide is mutual in communication process
The light intensity uniformity improved in the horizontal is mixed, as shown in (b) in Fig. 4, after microstructure 100, through polarization point
The uniform intensity degree for the single waveguide mode being emitted after absciss layer 30 can reach more than 85%.Meanwhile this structure is not destroyed individually
Communication mode of the waveguide in light guide plate, and can further enhance between the light and polarization separation layer 30 that light guide plate 10 is emitted
It interacts, the polarization separation effect for making polarization separation layer 30 is more notable.Polarization separation effect can led by adjusting light
Propagation angle in tabula rasa 10 reaches.As shown in curve (a) in Fig. 5, incident light enters such as Fig. 5 points of its angle after light guide plate 10
Cloth, being normally between 30 ° to 90 ° the incident light of (Disengagement zone) can further interact with polarization separation layer 30 and be emitted,
And the incident light in 0 to 30 ° (non-Disengagement zone) can not be then emitted.By adding in microstructure 100, incident light is in communication process
In constantly convert angle, so as to which the incident light in non-Disengagement zone be made to enter Disengagement zone, as shown in curve (b) in Fig. 5, enhancing is partially
It shakes the effect of separation, improves and whole go out luminous intensity.Under normal circumstances, 2 times or more can be enhanced by going out luminous intensity.In addition, this practicality
The length for being spaced and setting interval is set in novel specific embodiment between 0.5% to the 4.0% of 10 longitudinal length of light guide plate,
It can be kept away effectively so that the light that sends out of LED light source enters after light guide plate in the region at the interval by equably diffusive transport
Exempt from the local bright occurred between adjacent LED light source or local dark space, effectively improve LED light source and enter incident light after light guide plate
The uniformity.
Microstructure 100 can be equidistant repetitive structure, and the period d between repetitive structure0(i.e. two repetitive structures
The distance between) it is to have relationship with the material of light guide plate and thickness.For general light guide panel material, such as PMMA, PC material, lead
Between 300~500 microns, the period of repetitive structure between 3% to the 150% of light guide plate, is emitted the thickness of tabula rasa
The uniformity of polarised light in the horizontal can reach more than 85%.For example, the material of light guide plate is PMMA, refractive index is
1.490 ± 0.005, the thickness of light guide plate is 400 microns, and the period is 70 microns, you can reaches the requirement of uniformity.
Microstructure 100 can be groove structure, and the cross section of groove structure is isosceles triangle, as shown in Figure 6.Isosceles
The bottom side length L of triangle1With height (i.e. the depth of groove structure) H0Ratio R1Generally between 2 to 6.Preferably, R1
Between 2.4 to 3.5.Under this configuration, the uniformity of the outgoing polarization light being emitted through polarization separation layer 30 in the horizontal is reachable
To more than 85%.In one embodiment, light guide plate 10 is PC materials, and refractive index 1.575, the thickness of light guide plate is 500
Micron, the ordinary refraction index n of polarization separation layero1.50 or so, extraordinary ray refractive index ne1.70 or so.Two isosceles
Period d between triangle0(the distance between two isosceles triangle vertex as shown in Figure 6) are 25 microns, isoceles triangle
A length of 8.0 microns of the base of shape is highly 2.3 microns, and two base angles of isosceles triangle are about 30 degree, bottom side length and height
Ratio is 3.48, and in the case, the uniformity can reach 86% to outgoing polarization light in the horizontal.In another embodiment, it leads
Tabula rasa and polarization separation layer have an identical condition, but at this time the period between two isosceles triangles be 350 microns, isosceles three
A length of 112 microns of angular base is highly 47.6 microns, and two base angles of isosceles triangle are about 40 degree, bottom side length and height
The ratio of degree is 2.35, and the uniformity of outgoing polarization light in the horizontal also can reach 86% at this time.
The apex angle of isosceles triangle can be arc angling, as shown in fig. 7, the radius of curvature r and base L of arc angling2's
Ratio R2Ranging from 0.10 to 0.45, and the depth H of groove structure0(arc angling vertex i.e. shown in fig. 7 to base away from
From) and base L2Ratio R3Ranging from 0.25 to 0.50.Under this configuration, the outgoing polarization being emitted through polarization separation layer 30
The uniformity of light in the horizontal can reach more than 85%.In one embodiment, light guide plate 10 is PC materials, and refractive index is
1.575, the thickness of light guide plate is 500 microns, the ordinary refraction index n of polarization separation layero1.50 or so, extraordinary ray refraction
Rate ne1.70 or so, the period for repeating groove structure is 25 microns, a length of 10 microns of the base of arc isosceles triangle, height
It it is 3.8 microns, radius of curvature is 1.3 microns, and the uniformity of outgoing polarization light in the horizontal can reach 87%.In another reality
It applies in example, light guide plate and polarization separation layer have identical condition, and the period for repeating groove structure is 250 microns, arc isosceles
A length of 100 microns of the base of triangle is highly 29 microns, and radius of curvature is 42.4 microns, and outgoing polarization light is in the horizontal
The uniformity can reach 88%.
The cross section of groove structure is alternatively isosceles trapezoid, as shown in Figure 8.The wherein short base L of isosceles trapezoid3With long bottom
Side L4Ratio R4Ranging from 0.08 to 0.52, and height (i.e. the depth of groove structure) H of isosceles trapezoid0With long base L4's
Ratio R5Ranging from 0.18 to 0.40, under such configuration, the outgoing polarization light being emitted through polarization separation layer 30 is in the horizontal
The uniformity can reach more than 85%.In one embodiment, light guide plate 10 be PC materials, refractive index 1.575, light guide plate
Thickness is 500 microns, the ordinary refraction index n of polarization separation layero1.50 or so, extraordinary ray refractive index ne1.70 or so,
The period of the groove structure of repeated arrangement is 20 microns, and the long base of isosceles trapezoid is 10 microns, and short base is 4.3 microns, deep
It is 2 microns to spend, and the uniformity of outgoing polarization light in the horizontal can reach 86%.In another embodiment, light guide plate and partially
Separating layer of shaking has identical condition, and the period of the groove structure of repeated arrangement is 390 microns, and the long base of isosceles trapezoid is
130 microns, short base is 12 microns, and depth is 49.4 microns, and the uniformity can reach 88%.
The cross section of groove structure can also be light cupuliform, as shown in Figure 9.The wherein short base L of light cupuliform5With long base L6
Ratio R6Ranging from 0.08 to 0.52, and height (i.e. the depth of groove structure) H of light cupuliform0With long base L6Ratio R7
Ranging from 0.18 to 0.40.The shape of the side wall of light cupuliform can be conic section, end to end broken line and straight line (i.e. etc.
Waist is trapezoidal).
Microstructure 100 can be convex ridge structure, and as groove structure, the cross section of convex ridge structure can be isoceles triangle
Shape, arc isosceles triangle, isosceles trapezoid or light cupuliform.As shown in Figure 10, when cross section is isosceles triangle, isoceles triangle
The bottom side length L of shape7With height (i.e. the depth of microstructure) H0Ratio R8Generally between 2.50 to 12.00.In an implementation
In example, light guide plate 10 is PC materials, and refractive index 1.575, the thickness of light guide plate is 500 microns, polarization separation layer it is ordinary
Optical index no1.50 or so, extraordinary ray refractive index ne1.70 or so.Period between two isosceles triangles is micro- for 15
Rice, a length of 10 microns of the base of isosceles triangle is highly 1.3 microns, and two base angles of isosceles triangle are about 15 degree, base
Long and height ratio is 7.69, and in the case, the uniformity of outgoing polarization light in the horizontal can reach 86%.At another
In embodiment, light guide plate and polarization separation layer have identical condition, but the period between two isosceles triangles is 600 at this time
Micron, a length of 240 microns of the base of isosceles triangle is highly 69.3 microns, and two base angles of isosceles triangle are about 30 degree,
The ratio of bottom side length and height is 3.46, and the uniformity of outgoing polarization light in the horizontal also can reach 86% at this time.
As groove structure, when the cross section of convex ridge structure is isosceles triangle, the apex angle of isosceles triangle can
For arc angling, under this configuration, the uniformity of the outgoing polarization light being emitted through polarization separation layer 30 in the horizontal also can be into
One step improves.
The structure that microstructure 100 or equidistant isometric but depth do not wait at random, by setting the micro- of different depth
Type structure can further improve the uniformity of outgoing polarization light in the horizontal.The change in depth range of arbitrary neighborhood groove structure
Within 50%, the uniformity of outgoing polarization light in the horizontal can improve 5%.Preferably, the depth of arbitrary neighborhood groove structure
Variation range is between 20% to 50%.In one embodiment, light guide plate 10 is PC materials, and refractive index 1.575 is guide-lighting
The thickness of plate is 500 microns, the ordinary refraction index n of polarization separation layero1.50 or so, extraordinary ray refractive index ne1.70
Left and right, for example, the liquid crystal layer with birefringent characteristic may be used in polarization separation layer.The period of the groove structure of repeated arrangement is
25 microns, the cross section of groove structure is isosceles triangle, a length of 10 microns of isosceles base, if depth is unanimously micro- for 2.90
Rice, the uniformity can reach 85%.If be randomly provided the similary period, similary bottom side length but depth be 3.50 microns etc.
Lumbar triangle connected in star structure and similary period, similary bottom side length, the isosceles triangle groove structure that depth is 2.34 microns,
The uniformity of the final emergent light in polarized backlight source in the horizontal can be increased to 90%.
The utility model sets multiple edges and the incidence surface Vertical Square on the surface opposite with light-emitting surface of light guide plate
The microstructure arranged to extension, while improving the uniformity of lateral light extraction, when the light guide plate is applied to polarized backlight source,
The uniformity of the polarised light being emitted from polarized backlight source in the horizontal can be also improved, is further ensured that is be emitted from polarized backlight source
Polarised light uniformly continuous.
Although having been described above with the several exemplary implementations of datail description, disclosed embodiment is only
Exemplary and those skilled in the art will readily appreciate that and not restrictive, a lot of other in an exemplary embodiment
Modification, change and/or replacement are possible, and the novel teachings and advantage of the disclosure are deviateed without essence.Therefore, it is all these
Modification, change and/or replacement are intended to be included in the scope of the present disclosure limited such as the appended claims.
Claims (16)
1. a kind of light guide plate available for polarized backlight source, which is characterized in that the light guide plate includes：
Incidence surface；
Light-emitting surface, the light-emitting surface are connected to the incidence surface；
First surface, the first surface are connected to the incidence surface and substantially parallel relative to the light-emitting surface；And
Miniature array, the miniature array are arranged on the first surface and including multiple microstructures arranged in parallel, institutes
Microstructure is stated along the direction vertical with the incidence surface to extend, and the miniature array is separated and has with the incidence surface
One interval,
Wherein, the light guide plate is configured to be totally reflected natural light of the mode propagation by incidence surface incidence.
2. light guide plate as described in claim 1, which is characterized in that the length range at the interval is longitudinally long for the light guide plate
0.5% to the 4.0% of degree.
3. light guide plate as described in claim 1, which is characterized in that the depth of the microstructure is more than the light guide plate
0.5%.
4. light guide plate as claimed in claim 3, which is characterized in that the microstructure is equidistant and repeated arrangement, described micro-
Period between type structure is the 3%~150% of the light guide plate.
5. light guide plate as claimed in claim 4, which is characterized in that the microstructure is groove structure.
6. light guide plate as claimed in claim 5, which is characterized in that the cross section of the groove structure is isosceles triangle.
7. light guide plate as claimed in claim 6, which is characterized in that the base of the isosceles triangle and the ratio R of height1It is 2
To 6.
8. light guide plate as claimed in claim 6, which is characterized in that the apex angle of the isosceles triangle is arc angling, described
The ratio R on the base of the radius of curvature of arc angling and the isosceles triangle2It is 0.10 to 0.45, the depth of the groove structure
Degree and the ratio R on the base3It is 0.25 to 0.50.
9. light guide plate as claimed in claim 5, which is characterized in that the cross section of the groove structure is isosceles trapezoid.
10. light guide plate as claimed in claim 9, which is characterized in that the short base of the isosceles trapezoid and the ratio R on long base4
It is 0.08 to 0.52, the ratio R on the depth of the groove structure and the long base5It is 0.18 to 0.40.
11. light guide plate as claimed in claim 5, which is characterized in that the cross section of the groove structure is light cupuliform.
12. light guide plate as claimed in claim 11, which is characterized in that the short base of the smooth cupuliform and the ratio R on long base6
It is 0.08 to 0.52, the ratio R on the depth of the groove structure and the long base7It is 0.18 to 0.40.
13. light guide plate as claimed in claim 4, which is characterized in that the microstructure is convex ridge structure.
14. light guide plate as claimed in claim 13, which is characterized in that the cross section of the convex ridge structure is isosceles triangle.
15. light guide plate as claimed in claim 3, which is characterized in that the depth of the microstructure is to differ at random, described
The variation range of depth is within 50%.
16. a kind of polarized backlight source of the light guide plate including described in any one of claim 1-15, which is characterized in that described inclined
The backlight that shakes includes：The light guide plate is arranged on the light source of the incidence surface of the light guide plate and polarization separation layer, institute
It states polarization separation layer and is consistently arranged on the light-emitting surface side of the light guide plate with the light guide plate substantially size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824294.5U CN207557520U (en) | 2017-12-22 | 2017-12-22 | It is a kind of available for the light guide plate in polarized backlight source and polarized backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824294.5U CN207557520U (en) | 2017-12-22 | 2017-12-22 | It is a kind of available for the light guide plate in polarized backlight source and polarized backlight source |
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| Publication Number | Publication Date |
|---|---|
| CN207557520U true CN207557520U (en) | 2018-06-29 |
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ID=62660612
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|---|---|---|---|
| CN201721824294.5U Active CN207557520U (en) | 2017-12-22 | 2017-12-22 | It is a kind of available for the light guide plate in polarized backlight source and polarized backlight source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207557520U (en) |
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2017
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 215500 No. 280 Huangpujiang Road, Changshu High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee after: Jiangsu getrain intelligent LCD Technology Co. Ltd. Address before: 215500 No. 128 Huangpujiang Road, Changshu High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Patentee before: Jiangsu getrain intelligent LCD Technology Co. Ltd. |