CN208795872U - A kind of compound structure of polarized light - Google Patents

A kind of compound structure of polarized light Download PDF

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Publication number
CN208795872U
CN208795872U CN201821371155.6U CN201821371155U CN208795872U CN 208795872 U CN208795872 U CN 208795872U CN 201821371155 U CN201821371155 U CN 201821371155U CN 208795872 U CN208795872 U CN 208795872U
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China
Prior art keywords
light
optical waveguide
waveguide layer
conductive hole
polaroid
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CN201821371155.6U
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Chinese (zh)
Inventor
付建锋
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Guangdong Genius Technology Co Ltd
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Guangdong Genius Technology Co Ltd
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Abstract

The utility model discloses a kind of compound structure of polarized light, the compound structure of polarized light includes polaroid and optical waveguide layer, optical waveguide layer is set on polaroid, optical waveguide layer includes away from the upper surface of polaroid setting, the upper surface of optical waveguide layer is equipped with several spaced light-conductive holes, the center line of several light-conductive holes and the upper surface of optical waveguide layer are respectively formed first angle, and light-conductive hole is for reflecting the light beam of incident optical waveguide layer when passing through light-conductive hole, so that light beam enters polaroid.Using a kind of compound structure of polarized light of the utility model embodiment, the light beam for enabling to part that will directly project outside optical waveguide layer is refracted into polaroid, to increase the incident light quantity of polaroid, improves the brightness of display screen;In addition, passing through the probability of light-conductive hole compared with the light beam of weak intensity by increasing, so that more light beams enter the polaroid close to second side after light-conductive hole reflects, and then show that brightness of display screen uniformly.

Description

A kind of compound structure of polarized light
Technical field
The utility model relates to display fields, and in particular to a kind of compound structure of polarized light.
Background technique
Currently, active reflective LCD screen mainly includes light source, light guide plate, the first polaroid, liquid crystal and second Polaroid.The light beam that light source issues enters the first polaroid from light guide plate, transforms the light beam into polarised light by the first polaroid, Then the light after polarised light progress electrical modulation is entered in the second polaroid via liquid crystal and is parsed, so that different is inclined The light that shakes generates comparison of light and shade, and then generates picture.However, since light beam can be lost and part light in communication process Beam can be issued directly via light guide plate, so as to cause enter polaroid in light it is less, in turn result in display screen part luma compared with Low and brightness is not uniform enough.
Utility model content
The utility model discloses a kind of compound structure of polarized light, can increase into the light beam in polaroid, be conducive to It reduces the loss of light and improves the display brightness and the display uniformity of display screen.
In order to solve the above technical problems, the utility model provides a kind of compound structure of polarized light, the compound polarisation Structure includes:
Polaroid;And
Optical waveguide layer, the optical waveguide layer are set on the polaroid, and the optical waveguide layer includes being arranged away from the polaroid The upper surface of upper surface, the optical waveguide layer is equipped with several spaced light-conductive holes, the center line of several light-conductive holes It is respectively formed first angle with the upper surface of the optical waveguide layer, the light-conductive hole is used to that the light beam of the incident optical waveguide layer to be made to exist By being reflected when the light-conductive hole, so that the light beam enters the polaroid.
As an alternative embodiment, in the embodiments of the present invention, the optical waveguide layer further include with it is described The lower surface that upper surface is oppositely arranged, the lower surface are connect with the polaroid;
The opening of the light-conductive hole is located at the upper surface of the optical waveguide layer, and the light-conductive hole is from the upper surface to institute State lower surface be extended, and extensions depth of the light-conductive hole in the optical waveguide layer for the polaroid thickness thousand/ One two to percent.
As an alternative embodiment, the light-conductive hole is slotted eye, institute in the embodiments of the present invention State light-conductive hole long axis length be the light-conductive hole the extension depth 4/2 to five/5ths, the light-conductive hole Minor axis length is 3rd/1 to five/5ths of the extension depth of the light-conductive hole.
As an alternative embodiment, several light-conductive holes are uniformly arranged in the embodiments of the present invention In the upper surface of the optical waveguide layer;Alternatively, several light-conductive holes from the first side of the optical waveguide layer by sparse to close Collection is arranged to the second side of the optical waveguide layer, the second side of the optical waveguide layer and first side of the optical waveguide layer Face is oppositely arranged.
As an alternative embodiment, being made in the embodiments of the present invention with the center line of the optical waveguide layer On the basis of, the optical waveguide layer the first side to the optical waveguide layer the center line region, several leaded lights The evenly distributed setting in hole, the optical waveguide layer the center line to the optical waveguide layer the second side region, it is several The light-conductive hole is from sparse gradually to densely arranged setting.
As an alternative embodiment, the optical waveguide layer is acrylic material in the embodiments of the present invention. As an alternative embodiment, in the embodiments of the present invention, each centerline parallel of each light-conductive hole Setting, and the light-conductive hole is obliquely installed from the upper surface of the optical waveguide layer to the lower surface of the optical waveguide layer.
As an alternative embodiment, in the embodiments of the present invention, the first angle is 30 degree~ 150 degree, the center line of the light-conductive hole and the absorption axiss of the polaroid are at 90 degree.
As an alternative embodiment, the compound structure of polarized light also wraps in the embodiments of the present invention Protective film is included, the protective film is covered on the upper surface of the optical waveguide layer, and described lead is completely covered in the protective film Unthreaded hole simultaneously forms the closed space with filled media between the light-conductive hole.
As an alternative embodiment, the filled media is air in the embodiments of the present invention.
A kind of compound structure of polarized light provided by the embodiment of the utility model, by being arranged and optical waveguide layer shape on optical waveguide layer Angled light-conductive hole, so that the light beam of incident optical waveguide layer occurs to reflect when passing through light-conductive hole and enters polaroid Mode and then increase polaroid so that the light beam that optical waveguide layer is directly projected in part originally is refracted into polaroid Incident light quantity, to improve brightness of display screen.
In addition, by make several light-conductive holes from the first side of optical waveguide layer by sparse to densely arranged to the second of optical waveguide layer The mode of side increases the probability for passing through light-conductive hole compared with the light beam of weak intensity, so that more light beams are sent out by light-conductive hole Enter the polaroid close to second side after raw refraction, and then shows that brightness of display screen uniformly.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram for compound structure of polarized light that the utility model embodiment one provides;
Fig. 2 is the schematic diagram for the light-conductive hole that the utility model embodiment one provides;
Fig. 3 is the top view for the optical waveguide layer upper surface that the utility model embodiment one provides;
Fig. 4 is the schematic diagram for the guide-lighting hole shape that the utility model embodiment one provides;
Fig. 5 is the schematic diagram of the first arrangement mode of the light-conductive hole of the offer of the utility model embodiment one;
Fig. 6 is the schematic diagram of second of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Fig. 7 is the schematic diagram of the third arrangement mode of the light-conductive hole of the offer of the utility model embodiment one;
Fig. 8 is the schematic diagram for the 4th kind of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Fig. 9 is the schematic diagram for the 5th kind of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Figure 10 is the schematic diagram for the 6th kind of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Figure 11 is the schematic diagram for the 7th kind of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Figure 12 is the schematic diagram for the 8th kind of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Figure 13 is the schematic diagram for the 9th kind of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Figure 14 is the schematic diagram for the tenth kind of arrangement mode of light-conductive hole that the utility model embodiment one provides;
Figure 15 is a kind of schematic diagram of arrangement mode of light-conductive hole the tenth that the utility model embodiment one provides;
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The every other embodiment obtained, fall within the protection scope of the utility model.
In the present invention, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside", " in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or Positional relationship.These terms are not intended to limit indicated primarily to better describe the utility model and embodiment Device, element or component must have particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected " shall be understood in a broad sense.For example, it may be solid Fixed connection, is detachably connected or monolithic construction;It can be mechanical connection, or electrical connection;It can be directly connected, either It indirectly connected through an intermediary, or is two connections internal between device, element or component.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or component (specifically Type and construction may it is identical may also be different), be not intended to show or implies meaning showing device, element or component Relative importance and quantity.Unless otherwise indicated, the meaning of " multiple " is two or more.
The technical solution of the utility model is further described below in conjunction with embodiment and attached drawing.
Embodiment one
Also referring to Fig. 1 to Fig. 4, a kind of compound structure of polarized light that the utility model embodiment one provides, including it is inclined Mating plate 10 and optical waveguide layer 20, optical waveguide layer 20 are set on polaroid 10, and optical waveguide layer 20 includes the upper table being arranged away from polaroid 10 The upper surface 21 in face 21, optical waveguide layer 20 is equipped with several spaced light-conductive holes 25, and the center line of several light-conductive holes 25 (is not marked Note) with the upper surface 21 of optical waveguide layer 20 it is respectively formed first angle α, light-conductive hole 25 is for making the light beam of incident optical waveguide layer 20 logical It is reflected when crossing light-conductive hole 25, so that light beam enters polaroid 10.
In the present embodiment, which can be applied in display screen, so as to will be far from polaroid 10 Segment beam enters in polaroid 10 after reflecting via light-conductive hole 25, in this way, the light into polaroid 10 can be effectively increased Beam, thus higher and more evenly via the light luminance that polaroid 10 goes out light.
In the present embodiment, optical waveguide layer 20 can be that the square plate being sticked on polaroid 10 is either covered in polaroid 10 On light guiding film (such as acrylic film) formation.
Further, optical waveguide layer 20 further include the lower surface 22 being oppositely arranged with upper surface 21 and be connected to upper surface and First side and second side between lower surface, wherein lower surface 22 is connect with polaroid 10, first side and second side Face is opposite and is arranged in parallel.
In the present embodiment, the opening of several light-conductive holes is located at the upper surface of optical waveguide layer, each center of each light-conductive hole 25 Line is arranged in parallel, and light-conductive hole 25 is obliquely installed from the upper surface of optical waveguide layer 20 to the lower surface of optical waveguide layer 20 22, first angle α It is 30 degree to 150 degree.Using each centerline parallel setting by the way of, can make by light-conductive hole 25 reflect after light no longer Birefringence is generated by light-conductive hole 25, reduces the loss of luminous intensity;Make 30 degree to 150 degree of first angle α of this angle Setting, can make incident beam as much as possible and be refracted into polaroid 10 by light-conductive hole 25, to improve display screen Brightness.
Specifically, light-conductive hole 25 can be to be arranged between 30 degree to 150 degree in first angle α, when first angle α is 30 degree When, the center line and first side 23 of light-conductive hole 25 form 60 degree of angle, when first angle α is 150 degree, light-conductive hole 25 Center line and second side 24 form 60 degree of angle.
Preferably, first angle α is 120 degree to 150 degree, under this angular interval, incident beam can be made more Into polaroid 10.
In the present embodiment, the absorption axiss of the center line of light-conductive hole 25 and the polaroid 10 are at 90 degree, so that entering Irradiating light beam by light-conductive hole 25 refraction after, part the light beam incidence polaroid 10 absorption axiss angle close to 90 degree, So that polaroid 10 is high for the absorptivity of incident beam, the brightness of display screen can be improved.
In the present embodiment, light-conductive hole 25 is extended from upper surface 21 to lower surface 22, the extension depth of light-conductive hole 25 D is one 2 to the percent/1000th of 10 thickness of polaroid.Wherein, extend depth d as light-conductive hole bottom midpoint a to light-conductive hole The length of top center point b, the distance for defining light-conductive hole bottom midpoint a to optical waveguide layer upper surface 21 is h, as shown in the A of Fig. 2, When first angle, which is greater than 90 degree, is less than or equal to 150 degree, h=d*sin (180- α).As shown in the B of Fig. 2, when first angle is greater than When equal to 30 degree less than 90 degree, h=d*sin α.It can learn, when first angle is equal to 90 degree, h=d.Determine h's After size, by scale can intuitively observe very much each 25 bottom midpoint a of light-conductive hole to upper surface 21 distance h, thus Whether excellent artistic carving can effectively be detected.
In addition, in order to enable most light beam can be transferred through light-conductive hole 25 reflects, the extension depth of light-conductive hole 25 Should not be excessively shallow, it is also unsuitable too deep, therefore, the extension depth of light-conductive hole 25 is limited, is mainly based upon light-conductive hole 25 to the folding of light beam Penetrate effect and consider.
In conjunction with shown in Fig. 1, Fig. 5 and Fig. 6, as an alternative embodiment, several light-conductive holes 25 can be from leaded light The first side 23 of layer 20 is by sparse to the densely arranged second side 24 to optical waveguide layer 20.Specifically, with light source from the first side For 23 incidence of face, because luminous intensity can be lost during light propagation, the distance of light propagation is longer, incident light Beam intensity is lower, so that it is darker brighter close to the display screen of first side 23 and close to second side 24 display screen occur Situation in turn results in brightness of display screen unevenness.And the utility model using light-conductive hole by it is sparse can to intensive arrangement mode Increase this part and pass through the probability of light-conductive hole 25 close to the light beam of second side 24, and the light beam is made to be refracted into polaroid In 10, so that brightness of display screen be made to show uniformly.
In conjunction with shown in Fig. 7 to Fig. 9, as another optional embodiment, several light-conductive holes 25 are evenly spaced in leaded light The upper surface 21 of layer 20, in order to directly make spaced leaded light using laser-engraving technique when manufacturing Hole 25.
As another optional embodiment, in conjunction with shown in Figure 10 to Figure 12, using the center line of optical waveguide layer 20 as point Secant, the light-conductive hole 25 positioned at the side of the center line 26 of optical waveguide layer 20 are the light-conductive hole 25 close to first side 23, are located at upper The light-conductive hole 25 of the other side of the center line 26 on surface 21 is the light-conductive hole close to second side 24.Then several light-conductive holes 25 can be certainly The first side 23 of optical waveguide layer 20 is uniformly arranged the center line 26 to upper surface 21, then from the center line 26 of upper surface 21 by sparse To the densely arranged second side 24 to optical waveguide layer 20.
As another optional embodiment, in conjunction with shown in Figure 13 to Figure 15, using the center line 26 of upper surface 21 as Cut-off rule, the light-conductive hole 25 positioned at the side of the center line 26 of upper surface 21 are the light-conductive hole close to first side 23, are located at upper The light-conductive hole 25 of the other side of the center line 26 on surface 21 is the light-conductive hole close to second side 24.Several light-conductive holes 25 can self-conductance The first side 23 of photosphere 20 is uniformly arranged the center line 26 to upper surface 21, then from more intensive equal of upper surface center line 26 It is even to arrange to the second side 24 of optical waveguide layer 20.
It should learn, it, can be in the area of the higher close first side 23 of luminous intensity in above two mode Evenly arranged mode is used in domain, to reduce engraving difficulty.And in the region of the lower close second side 24 of luminous intensity It inside then uses by sparse to densely arranged mode or more densely evenly arranged mode, it is close that this part can be increased The light beam of second side 24 passes through the probability of light-conductive hole 25 and is refracted into polaroid 10, and then keeps brightness of display screen aobvious Show uniformly.
In the present embodiment, light-conductive hole 25 is oblong cavity of the opening in upper surface 21, and the opening shape of light-conductive hole 25 Shape is ellipse, and the long axis length of light-conductive hole 25 is extend depth d 4/2 to five/5ths, and the short axle of light-conductive hole 25 is long Degree is 3rd/1 to five/5ths of extension depth d.
Preferably, the long axis length of light-conductive hole 25 is extend depth d 3/5ths, and the minor axis length of light-conductive hole 25 is to prolong Stretch 2/5ths of depth d.Using this number ratios, the ability of oblong cavity enhancing deflecting light beams can be made, made more Light beam by entering polaroid 10 after light-conductive hole 25.
In the present embodiment, there is medium, and the medium can be air in light-conductive hole.Light beam is injected after optical waveguide layer 20, The light beam that part is propagated to the upper surface of optical waveguide layer 20 21 passes through light-conductive hole 25, and at this time since optical waveguide layer 20 is acrylic film, And the medium in light-conductive hole 25 is air, so light beam can reflect when passing in and out 25 liang of walls of light-conductive hole.Therefore, guide-lighting Hole is conducive to the refraction of light beam using the design of oblong cavity, and strong to the directive property of anaclasis.
It is understood that light-conductive hole can also be cone cavity as shown in Figure 4, triangular prism cavity or spherical cavity. The concrete principle for reflecting light beam light-conductive hole below is illustrated:
Since the light beam of incident optical waveguide layer 20 has different incident directions, it is incident on and is led from first side 23 with light beam For photosphere, it can be divided into three classes light beam, respectively first kind light beam, the second class light according to the result after light beam incidence optical waveguide layer 20 Beam and third class light beam.Wherein, first kind light beam is the light beam that can pass through light-conductive hole, and the second class light beam is directly to project optical waveguide layer Light beam, third class light beam is the light beam for being emitted directly toward polaroid.And light-conductive hole 25 only has an impact first kind light beam.This After a kind of light beam injects optical waveguide layer 20, it will continue to be propagated up to the first kind light beam after light-conductive hole 25 and generate refraction, partially pass through The first kind light beam of superrefraction enters polaroid 10, and the light beam of remainder through superrefraction is through upper surface 21 or the Two side faces 24 project optical waveguide layer 20;And the second class light beam can be directed through the injection of second side 24 and lead after injecting optical waveguide layer 20 Photosphere 20;Similarly, third class light beam can be emitted directly toward polaroid 10 after entering optical waveguide layer 20.
It follows that light-conductive hole 25 is arranged on optical waveguide layer 20 using the utility model embodiment, and in light-conductive hole The mode that certain angle is formed between heart line and the upper surface of optical waveguide layer can make first kind light beam by partially entering after refraction Polaroid 10 increases the light quantity of incident polaroid 10, to realize the purpose for improving brightness of display screen.
In the present embodiment, compound structure of polarized light further includes protective film 30, and protective film 30 is covered on the upper of optical waveguide layer 20 On surface, and protective film 30 is completely covered light-conductive hole 25 and forms the closed space with filled media between light-conductive hole 25. Wherein, protective film 30 is used to protect structure of polarized light not by extraneous extruding, scratches and rubs, is conducive to keep structure of polarized light Performance.
In the present embodiment, the filled media in closed space is air.Specifically, when making light-conductive hole 25, Air meeting nature enters light-conductive hole 25, and when protective film 30 covers closed space, air is left in light-conductive hole 25.It adopts In this way, the process to closed space filled media is eliminated, manufacture craft is made to become simple and efficient.
A kind of compound structure of polarized light that the utility model embodiment one provides passes through setting and optical waveguide layer on optical waveguide layer The light-conductive hole of certain angle is formed, so that the light beam of incident optical waveguide layer occurs to reflect when passing through light-conductive hole and enters polarisation The mode of piece so that the light beam that optical waveguide layer is directly projected in part originally is refracted into polaroid, and then increases polaroid Incident light quantity, to improve brightness of display screen.
In addition, by make several light-conductive holes from the first side of optical waveguide layer by sparse to densely arranged to the second of optical waveguide layer The mode of side increases the probability for passing through light-conductive hole compared with the light beam of weak intensity, so that more light beams are sent out by light-conductive hole Enter the polaroid close to second side after raw refraction, and then shows that brightness of display screen uniformly.
A kind of compound structure of polarized light disclosed in the utility model embodiment is described in detail above, is answered herein The principles of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to sides Assistant solves the principles of the present invention and its core concept;At the same time, for those skilled in the art is practical new according to this The thought of type, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not manage Solution is limitations of the present invention.

Claims (10)

1. a kind of compound structure of polarized light characterized by comprising
Polaroid;And
Optical waveguide layer, the optical waveguide layer are set on the polaroid, and the optical waveguide layer includes the upper table away from polaroid setting The upper surface in face, the optical waveguide layer is equipped with several spaced light-conductive holes, the center line of several light-conductive holes and institute The upper surface for stating optical waveguide layer is respectively formed first angle, and the light-conductive hole is used to that the light beam of the incident optical waveguide layer to be made to pass through It is reflected when the light-conductive hole, so that the light beam enters the polaroid.
2. a kind of compound structure of polarized light according to claim 1, which is characterized in that the optical waveguide layer further include with it is described The lower surface that upper surface is oppositely arranged, the lower surface are connect with the polaroid;
The opening of the light-conductive hole is located at the upper surface of the optical waveguide layer, and the light-conductive hole is from the upper surface under described Surface is extended, and extension depth of the light-conductive hole in the optical waveguide layer arrives for 2/1000ths of the polaroid thickness 1 percent.
3. a kind of compound structure of polarized light according to claim 2, which is characterized in that the light-conductive hole is slotted eye, The long axis length of the light-conductive hole is 4th/2 to five/5ths of the extension depth of the light-conductive hole, the light-conductive hole Minor axis length be the light-conductive hole the extension depth 3/1 to five/5ths.
4. a kind of compound structure of polarized light according to claim 2 or 3, which is characterized in that several light-conductive holes are uniform It is arranged in the upper surface of the optical waveguide layer;Alternatively,
Several light-conductive holes are from the first side of the optical waveguide layer by sparse second side to the optical waveguide layer Face, the second side of the optical waveguide layer are oppositely arranged with the first side of the optical waveguide layer.
5. a kind of compound structure of polarized light according to claim 4, which is characterized in that made with the center line of the optical waveguide layer On the basis of, the optical waveguide layer the first side to the optical waveguide layer the center line region, several leaded lights The evenly distributed setting in hole, the optical waveguide layer the center line to the optical waveguide layer the second side region, it is several The light-conductive hole is from sparse gradually to densely arranged setting.
6. a kind of compound structure of polarized light according to claim 1, which is characterized in that the optical waveguide layer is acrylic material Material.
7. a kind of compound structure of polarized light according to any one of claims 1 to 3, which is characterized in that each light-conductive hole Each centerline parallel setting, and the light-conductive hole is from the upper surface of the optical waveguide layer to the following table of the optical waveguide layer Face is obliquely installed.
8. a kind of compound structure of polarized light according to any one of claims 1 to 3, which is characterized in that the first angle It is 30 degree~150 degree, the center line of the light-conductive hole and the absorption axiss of the polaroid are at 90 degree.
9. a kind of compound structure of polarized light according to claim 1, which is characterized in that the compound structure of polarized light also wraps Protective film is included, the protective film is covered on the upper surface of the optical waveguide layer, and described lead is completely covered in the protective film Unthreaded hole simultaneously forms the closed space with filled media between the light-conductive hole.
10. a kind of compound structure of polarized light according to claim 9, which is characterized in that the filled media is air.
CN201821371155.6U 2018-08-23 2018-08-23 A kind of compound structure of polarized light Withdrawn - After Issue CN208795872U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108761629A (en) * 2018-08-23 2018-11-06 广东小天才科技有限公司 A kind of compound structure of polarized light and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108761629A (en) * 2018-08-23 2018-11-06 广东小天才科技有限公司 A kind of compound structure of polarized light and preparation method thereof
CN108761629B (en) * 2018-08-23 2023-12-22 广东小天才科技有限公司 Composite polarizing structure and preparation method thereof

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