CN209117903U - Wide-angle polarization splitting prism and bias colour 3D project light modulation system - Google Patents
Wide-angle polarization splitting prism and bias colour 3D project light modulation system Download PDFInfo
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- CN209117903U CN209117903U CN201822143317.7U CN201822143317U CN209117903U CN 209117903 U CN209117903 U CN 209117903U CN 201822143317 U CN201822143317 U CN 201822143317U CN 209117903 U CN209117903 U CN 209117903U
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Abstract
The utility model is suitable for 3D projection art, provides a kind of wide-angle polarization splitting prism and bias colour 3D projection light modulation system.The wide-angle polarization splitting prism includes three triangular prisms, and the cross section of three triangular prisms is in the isosceles triangle of full acute angle, and the apex angle of three triangular prisms is equal；Formed the first side of the apex angle of the first triangular prism and the apex angle of the second triangular prism pair bottom surface it is in the same size and fit, and be bonded place and be equipped with the first polarization beam splitter；Formed the second side of the apex angle of the first triangular prism and the apex angle of third triangular prism pair bottom surface it is in the same size and fit, and be bonded place and be equipped with the second polarization beam splitter.Polarization splitting prism provided by the utility model is using three triangular prism fittings, and each triangular prism is both designed as full acute angle isoceles triangle prism, so that not occurring significantly deforming through spectrum and reflectance spectrum when large angle incidence, thus light colour cast problem when solving large angle incidence.
Description
Technical field
The utility model belongs to 3D projection art more particularly to a kind of wide-angle polarization splitting prism and bias colour 3D
Project light modulation system.
Background technique
Extensive use has been obtained in polarization type 3D cinema equipment at home at present, and can be divided into two classes: light efficiency is on 15% left side
Double light path projection light modulation system and three optical path 3Ds projection of the right monochromatic light road 3D projection light modulation system, light efficiency 28~30%
Light modulation system.
Huge curtain movie theater for screen at 20 meters or so, because being limited by building structure, the screen width of movie theater substantially with put
It reflects and is equidistant, wherein the ratio of screen distance and screen width is referred to as to project ratio, movie theater shape when projection is than close to 1:1
Shape is close to square.When three optical path 3D projection light modulation system is applied to the movie theater of 1:1 projection ratio, sent out from projector lens
Light out can enter the plane of incidence of 3D projection light modulation system with ± 15 degree or so of angle.
Polarization splitting prism in common three optical path 3D projection light modulation system has orthogonal two polarizations point
Smooth surface, with the plane of incidence be in 45 degree angles, polarization splitting prism material using refractive index for 1.5163 K9 optical glass, light with
About 45~55 degree of angle is incident to polarization light-dividing surface.Due to the incidence angle allowed with the matched polarization beam splitter of K9 optical glass
It is smaller to spend range.When light is incident on polarization beam splitter with slightly larger angle, the light of different wave length passes through polarization beam splitter
When the P state polarised light transmitted and reflection S state polarization polarization degree there is larger difference, by subsequent linear polarizer filter
Afterwards, each wavelength light is filtered ratio is different, causes white light occur to become colored, generally occurs within partially red problem.
Utility model content
The purpose of this utility model aims to solve the problem that the polarization splitting prism applied to 3D optical projection system, in angle of incident light
The problem of will appear colour cast when larger.
In order to solve the above technical problems, in a first aspect, the utility model provides a kind of wide-angle polarization splitting prism, packet
It includes: the first triangular prism, the second triangular prism, third triangular prism；The cross section of first triangular prism, the second triangular prism
The cross section of mirror, the cross section of third triangular prism are in the isosceles triangle of full acute angle, and the apex angle of the first triangular prism,
Apex angle, the apex angle of third triangular prism of two triangular prisms are equal；Form the first side of the apex angle of first triangular prism
With the apex angle of second triangular prism pair bottom surface it is in the same size and fit, and be bonded place and be equipped with the first polarization spectro
Film；Formed the second side of the apex angle of first triangular prism and the apex angle of the third triangular prism pair bottom surface size
It unanimously and fits, and is bonded place and is equipped with the second polarization beam splitter.
Further, the cross section of the polarization splitting prism is in isosceles trapezoid after fitting；Second triangular prism
The first side of first side and the third triangular prism is collectively formed the first face of the polarization splitting prism, and described the
The vertex of the apex angle of one triangular prism and the first bottom edge of isosceles trapezoid are respectively positioned on first face；First face is described
The light incident surface of polarization splitting prism；The apex angle of first triangular prism pair bottom surface as the polarization splitting prism
Second face, and the second bottom edge of isosceles trapezoid is located on second face；Second face is the transmitted light that polarization spectro obtains
The exit facet of beam；Third face of the second side of second triangular prism as the polarization splitting prism；The third face
For the exit facet for the first the reflected beams that polarization spectro obtains；The second side of the third triangular prism is as the polarization point
The fourth face of light prism；The fourth face is the exit facet for the second the reflected beams that polarization spectro obtains；And the second face institute
The transmitted light of outgoing have the first polarization state, the first the reflected beams and fourth face that the third face is emitted be emitted second
The reflected beams have the second polarization state, and first polarization state is mutually orthogonal with second polarization state.
Further, the refractive index of first triangular prism, the second triangular prism, third triangular prism is greater than 1.7.
Further, a convex lens is posted on the outside of second face, the convex surface of the convex lens is outside, with the convex surface
Opposite plane fits with second face.
Further, protective layer is posted on the outside of first face, for protecting first triangular prism, the second triangle
Ridge after prism, the fitting of third triangular prism.
Further, the protective layer is glassy layer.
Further, between first triangular prism and second triangular prism, second triangular prism and institute
It states and is all made of optical glue fitting between third triangular prism.
Second aspect, the utility model additionally provide a kind of bias colour 3D projection light modulation system, comprising:
Wide-angle polarization splitting prism as described above；
First optical path direction adjusts component, the first reflected light for obtaining the wide-angle polarization splitting prism beam splitting
The direction of propagation of beam is adjusted to propagate to the direction where screen；
Second optical path direction adjusts component, the second reflected light for obtaining the wide-angle polarization splitting prism beam splitting
The direction of propagation of beam is adjusted to propagate to the direction where screen；
Beam size adjusts component, for adjusting the big of transmitted light beam that the wide-angle polarization splitting prism beam splitting obtains
Small range, the image size that the transmitted light beam projects in screen after adjustment, exists with the first the reflected beams, the second the reflected beams
The spliced image of respective projected image is in the same size in screen；
At least one plane of polarization rotary components, for adjusting the plane of polarization of the transmitted light beam, or adjustment described first
The plane of polarization of the reflected beams and second the reflected beams, the plane of polarization of three-beam is on the same plane after adjustment；
First linear polarizer, the second linear polarizer, third linear polarizer are located at optical path where transmitted light beam,
The optical path where optical path, the second the reflected beams where one the reflected beams passes it through light beam for filtering the Line beam penetrated
Become linearly polarized light completely；
First light polarization modulator, the second light polarization modulator, third light polarization modulator are located at first linear polarization
After device, the second linear polarizer, third linear polarizer, for after filtering and with consistent plane of polarization transmitted light beam, first
Beam the reflected beams, the second the reflected beams are modulated to left circularly polarized light and right-circularly polarized light according to frame sequential.
Further, further includes: driving circuit, for the synchronization signal acquired in the d-cinema projectors, and according to
Synchronization signal generates drive voltage signal and is applied to first light polarization modulator, the second light polarization modulator, third polarization and adjusts
On device processed.
Polarization splitting prism provided by the utility model is using three triangular prism fittings, and each triangular prism is all provided with
It is calculated as full acute angle isoceles triangle prism, so that becoming when incident beam is incident on polarization beam splitter with the angle of polarization beam splitter
It is small, it can support the light beam of greater angle incident in the case where same colour cast degree in this way, also mean that and work as incident beam
Angle it is fixed when colour cast situation mitigated, in addition, the second triangular prism, third triangular prism are also configured as full acute angle three
Angle prism, so that upper and lower two the reflected beams are when light-emitting surface is reflected, it is ensured that each angle incident ray light path is consistent, does not go out
Existing chromatic dispersion problem.Therefore, this all triangular prisms are that the structure of full acute angle may make through spectrum and reflectance spectrum not
There is apparent deformation, can solve light colour cast problem when large angle incidence.
Detailed description of the invention
Fig. 1 is that first embodiment provides a kind of cross-sectional view of wide-angle polarization splitting prism；
Fig. 2 is the three-dimensional structure diagram for the single triangular prism that the utility model first embodiment provides；
Fig. 3 is the wide-angle polarization splitting prism using the offer of the utility model first embodiment and uses isosceles right-angled edge
Incident angle contrast schematic diagram of the incident beam on polarization beam splitter when mirror；
Fig. 4 is that the wide-angle polarization splitting prism that the utility model first embodiment provides uses entering when different refractivity
Incident angle contrast schematic diagram of the irradiating light beam on polarization beam splitter；
Fig. 5 is transmitted light of the wide-angle polarization splitting prism provided by the utility model first under the conditions of limit incidence
Spectrum and reflectance spectrum figure；
Fig. 6 is a kind of improvement structure chart of wide-angle polarization splitting prism provided by the utility model first.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model first embodiment provides a kind of wide-angle polarization splitting prism, and Fig. 1 is the cross section of the prism
Schematic diagram.Referring to Fig.1, which includes: the first triangular prism 101, the second triangular prism 102 and third
Triangular prism 103.The cross section of first triangular prism 101, the cross section of the second triangular prism 102, third triangular prism 103
Cross section is in the isosceles triangle of full acute angle, and the apex angle E of the apex angle A of the first triangular prism 101, the second triangular prism 102,
The apex angle J of third triangular prism 103 is equal.
Fig. 2 shows a kind of stereochemical structure of typical triangular prism, the apex angle of the triangular prism is two adjacent sides
Face is formed, and the apex angle that any interception cross section on the length direction along triangular prism obtains is all equal.The triangular prism
Bottom surface and two sides are respectively formed two base angles, wherein the bottom surface is opposite with apex angle.Similarly, in the length side along triangular prism
The base angle for the same position that upward any interception cross section obtains is all equal.For isoceles triangle prism, two of cross section
Waist is equal and two base angles are also equal, and full acute angle triangular prism then refers to that apex angle and two base angles are acute angle.It is integrated to Fig. 1, the
The apex angle of one triangular prism 101 be A and pair face be bottom surface, two base angles be respectively B and C and pair face be respectively two
Side, the apex angle of the second triangular prism 102 be E and pair face be bottom surface, two base angles be respectively F and D and pair face point
Not Wei two sides, the apex angle of third triangular prism 103 be J and pair face be bottom surface, two base angles are respectively H and G and institute
Pair face be respectively two sides.
Referring again to FIGS. 1, first side and second side of the apex angle A of the first triangular prism 101 by the first triangular prism 101
Face is formed, the first side and the apex angle E of the second triangular prism 102 pair bottom surface it is in the same size and fit, and be bonded it
Place is equipped with the first polarization beam splitter 104.The apex angle J of the second side and the third triangular prism 103 pair bottom surface size
It unanimously and fits, and is bonded place and is equipped with the second polarization beam splitter 105.
After above-mentioned fitting, it can be seen that the cross section of entire polarization splitting prism is in isosceles trapezoid.
The first side 106 of second triangular prism 102 and the first side 107 of third triangular prism 103 are collectively formed partially
Shake the first face of Amici prism, and the vertex A1 of the apex angle of first triangular prism 101 is located on first face, and from figure
1 as can be seen that the first bottom edge of isosceles trapezoid shown in cross-sectional view also is located on first face；First face is institute
State the light incident surface of polarization splitting prism.
The apex angle A of first triangular prism 101 pair second face of the bottom surface 108 as polarization splitting prism, and from Fig. 1
As can be seen that the second bottom edge of isosceles trapezoid shown in cross-sectional view is located on second face.When incident beam reaches
It can be transmitted light beam and the first the reflected beams by beam splitting, when incident beam reaches the second polarization point when the first polarization beam splitter 104
It can be transmitted light beam and the second the reflected beams by beam splitting when light film 105, which is two parts transmission that polarization spectro obtains
The exit facet of light beam.
Third face of the second side 109 of second triangular prism 102 as polarization splitting prism；The third face is polarization point
The exit facet for the first the reflected beams that light obtains.
Fourth face of the second side 110 of third triangular prism 103 as polarization splitting prism；The fourth face is polarization point
The exit facet for the second the reflected beams that light obtains.
The transmitted light that above-mentioned second face is emitted has the first polarization state, the first the reflected beams that above-mentioned third face is emitted
The second the reflected beams being emitted with fourth face have the second polarization state, and first polarization state and second polarization state phase are just
It hands over, for example, the first polarization state can be P-polarized light, the second polarization state can be S polarized light.
Polarization splitting prism provided by the utility model first embodiment is bonded using three triangular prisms, and each three
Angle prism is both designed as full acute angle isoceles triangle prism, so that when incident beam is incident on polarization beam splitter and polarization beam splitter
Angle become smaller, as shown in figure 3, for this apex angle of the first triangular prism 101 be acute angle A the case where, light beam is incident to polarization
Incident angle when spectro-film is θ 2, and if replacing the first triangular prism 101 using isosceles right-angle prism, i.e., such as Fig. 3 institute
The apex angle shown is the isoceles triangle prism of right angle A2, then it is θ 1 that light beam, which is incident to the incident angle that polarization beam splitter is, it is evident that
2 < θ 1 of θ can support the light beam of greater angle incident in the case where same colour cast degree in this way, also mean that when incidence
Colour cast situation is mitigated when the angle of light beam is fixed.In addition, the second triangular prism 102, third triangular prism 103 are also provided with
For full acute angle triangular prism, so that upper and lower two the reflected beams are when light-emitting surface is reflected, it is ensured that each angle incident light linear light
Journey is consistent, chromatic dispersion problem does not occur.Therefore, this all triangular prisms are that the structure of full acute angle may make through spectrum and anti-
It penetrates spectrum not occurring significantly deforming, can solve light colour cast problem when large angle incidence.
Further, the first triangular prism 101, the second triangular prism 102, third triangular prism 103 use high refractive index
Optical glass makes, and in the present embodiment, the refractive index of three prisms is all larger than 1.7.The refractive index for improving prism facilitates into one
Step reduces incident ray dispersion angle, as shown in figure 4, the triangular prism incident angle specific refractivity that refractive index is 1.85 is
The incident angle of 1.516 triangular prism is smaller, therefore using the material of high refractive index, facilitates reduction incident beam and polarizing
It is divided the incident angle of film surface, so as to improve the spectral characteristic of wide-angle.Also, if the optics of reselection and high refractive index
The matched polarization beam splitter of glass can then make that incident angle is allowed to become larger again, and a number of factors, which integrates, may make wide-angle
When incident, do not occur significantly deforming through spectrum and reflectance spectrum, to solve large angle incidence light colour cast problem.Fig. 5
Be wide-angle polarization splitting prism provided by the utility model first embodiment the limit incidence under the conditions of transmitted spectrum and
Reflectance spectrum, it can be seen that in addition to having slight deformation in bluish violet wave-length coverage, all band penetrates spectrum and reflectance spectrum
It keeps smooth, ensures that significant change does not occur for transmitted light beam and the reflected beams color.
Further, as shown in fig. 6, posting a convex lens 111, convex lens on the outside of the second face of wide-angle Amici prism
111 convex surface is outside, and the plane opposite with convex surface fits with second face, and convex lens 111 can be used for the big of transmitted light beam
It is small.
Further, as shown in fig. 6, after three triangular prism fittings, the first side 106 of the second triangular prism 102
The first face of polarization splitting prism is collectively formed with the first side 107 of third triangular prism 103, the one or three on first face
It will form a ridge at the corner point A1 of angle prism 101 along its length, it, can be in wide-angle Amici prism to protect the ridge
Protective layer 112 is posted in outside on one side, which can be selected glassy layer.
Between above-mentioned first triangular prism 101 and the second triangular prism 102, the second triangular prism 102 and third triangular prism
Optical glue fitting is all made of between mirror 103.
The utility model second embodiment additionally provides a kind of bias colour 3D projection light modulation system, comprising:
Wide-angle polarization splitting prism as in the first embodiment is obtained for incident beam to be carried out polarization beam splitting
Transmitted light beam, the first the reflected beams, the second the reflected beams, wherein transmitted light beam have the first polarization state, the first the reflected beams and
Second the reflected beams all have the second polarization state, and the first polarization state is orthogonal with the second polarization state, and the first transmitted light beam is basic
It can be propagated to the direction where screen.
First optical path direction adjusts component, the first reflected light for obtaining the wide-angle polarization splitting prism beam splitting
The direction of propagation of beam is adjusted to propagate to the direction where screen；Second optical path direction adjusts component, is used for the wide-angle
The direction of propagation for the second the reflected beams that polarization splitting prism beam splitting obtains is adjusted to propagate to the direction where screen.Wherein,
First optical path direction adjustment component and the second optical path direction adjustment component can select reflecting mirror to realize, and the reflection of reflecting mirror
Adjustable angle, for adjusting the position of the first the reflected beams and the second the reflected beams projected image in screen.
Beam size adjusts component, for adjusting the big of transmitted light beam that the wide-angle polarization splitting prism beam splitting obtains
Small range, the image size that the transmitted light beam projects in screen after adjustment, exists with the first the reflected beams, the second the reflected beams
The spliced image of respective projected image is in the same size in screen.When three-beam is thrown in screen, the first transmitted light beam can be thrown
Shadow goes out a complete image, and is formed after the image of the first the reflected beams projection and the image mosaic of the second the reflected beams projection
Then two complete image sizes are adjusted to unanimously by one complete image again, position is overlapped.
At least one plane of polarization rotary components, for adjusting the plane of polarization of the transmitted light beam, or adjustment described first
The plane of polarization of the reflected beams and second the reflected beams, the plane of polarization of three-beam on the same plane, specifically may be used after adjustment
To be realized using TN liquid crystal cell.
First linear polarizer, the second linear polarizer, third linear polarizer are located at optical path where transmitted light beam,
It is complete to pass it through light beam for filtering the light beam penetrated for the optical path where optical path, the second the reflected beams where one the reflected beams
Become linearly polarized light entirely, can specifically be realized using line polarisation piece.
First light polarization modulator, the second light polarization modulator, third light polarization modulator are located at first linear polarization
After device, the second linear polarizer, third linear polarizer, for after filtering and with consistent plane of polarization transmitted light beam, first
Beam the reflected beams, the second the reflected beams are modulated to left circularly polarized light and right-circularly polarized light according to frame sequential, can specifically adopt
It is realized with liquid crystal modulator.
Further, bias colour 3D projects light modulation system further include: driving circuit is used for from d-cinema projectors institute
The synchronization signal of acquisition, and drive voltage signal is generated according to synchronization signal and is applied to first light polarization modulator, second
On light polarization modulator, third light polarization modulator.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of wide-angle polarization splitting prism characterized by comprising the first triangular prism, the second triangular prism, the three or three
Angle prism；The cross section of first triangular prism, the cross section of the second triangular prism, third triangular prism cross section be in
The isosceles triangle of full acute angle, and the apex angle of the apex angle of the first triangular prism, the apex angle of the second triangular prism, third triangular prism
It is equal；
Formed the first side of the apex angle of first triangular prism and the apex angle of second triangular prism pair bottom surface it is big
It is small consistent and fit, and be bonded place and be equipped with the first polarization beam splitter；Form the second of the apex angle of first triangular prism
Side and the apex angle of the third triangular prism pair bottom surface it is in the same size and fit, and be bonded place and be equipped with the second polarization
Spectro-film.
2. wide-angle polarization splitting prism as described in claim 1, which is characterized in that the polarization splitting prism after fitting
Cross section is in isosceles trapezoid；
The polarization point is collectively formed in the first side of second triangular prism and the first side of the third triangular prism
First face of light prism, and the vertex of the apex angle of first triangular prism and the first bottom edge of isosceles trapezoid are respectively positioned on described
On on one side；First face is the light incident surface of the polarization splitting prism；
The apex angle of first triangular prism pair second face of the bottom surface as the polarization splitting prism, and isosceles trapezoid
Second bottom edge is located on second face；Second face is the exit facet for the transmitted light beam that polarization spectro obtains；
Third face of the second side of second triangular prism as the polarization splitting prism；The third face is polarization point
The exit facet for the first the reflected beams that light obtains；
Fourth face of the second side of the third triangular prism as the polarization splitting prism；The fourth face is polarization point
The exit facet for the second the reflected beams that light obtains；
And the transmitted light that second face is emitted has the first polarization state, the first the reflected beams that the third face is emitted
The second the reflected beams being emitted with fourth face have the second polarization state, and first polarization state and second polarization state phase are just
It hands over.
3. wide-angle polarization splitting prism as claimed in claim 1 or 2, which is characterized in that first triangular prism, second
Triangular prism, third triangular prism refractive index be greater than 1.7.
4. wide-angle polarization splitting prism as claimed in claim 2, which is characterized in that it is convex to post one on the outside of second face
The convex surface of lens, the convex lens is outside, and the plane opposite with the convex surface fits with second face.
5. wide-angle polarization splitting prism as claimed in claim 2, which is characterized in that post protection on the outside of first face
Layer, for the ridge after protecting first triangular prism, the second triangular prism, third triangular prism to be bonded.
6. wide-angle polarization splitting prism as claimed in claim 5, which is characterized in that the protective layer is glassy layer.
7. wide-angle polarization splitting prism as described in claim 1, which is characterized in that first triangular prism and described the
Between two triangular prisms, optical glue is all made of between second triangular prism and the third triangular prism is bonded.
8. a kind of bias colour 3D projects light modulation system characterized by comprising
Such as the described in any item wide-angle polarization splitting prisms of claim 1-7；
First optical path direction adjusts component, the first the reflected beams for obtaining the wide-angle polarization splitting prism beam splitting
The direction of propagation is adjusted to propagate to the direction where screen；
Second optical path direction adjusts component, the second the reflected beams for obtaining the wide-angle polarization splitting prism beam splitting
The direction of propagation is adjusted to propagate to the direction where screen；
Beam size adjusts component, for adjusting the size model for the transmitted light beam that the wide-angle polarization splitting prism beam splitting obtains
It encloses, the image size that the transmitted light beam projects in screen after adjustment, with the first the reflected beams, the second the reflected beams in screen
The upper respective spliced image of projected image is in the same size；
At least one plane of polarization rotary components, for adjusting the plane of polarization of the transmitted light beam, or adjustment first reflection
The plane of polarization of light beam and second the reflected beams, the plane of polarization of three-beam is on the same plane after adjustment；
First linear polarizer, the second linear polarizer, third linear polarizer are located at optical path where transmitted light beam, first anti-
The optical path where optical path, the second the reflected beams where irradiating light beam passes it through light beam and becomes completely for filtering the light beam penetrated
For linearly polarized light；
First light polarization modulator, the second light polarization modulator, third light polarization modulator are located at first linear polarizer,
After two linear polarizers, third linear polarizer, for after filtering and with consistent plane of polarization transmitted light beam, the first beam reflection
Light beam, the second the reflected beams are modulated to left circularly polarized light and right-circularly polarized light according to frame sequential.
9. bias colour 3D as claimed in claim 8 projects light modulation system, which is characterized in that further include:
Driving circuit generates driving voltage for the synchronization signal acquired in the d-cinema projectors, and according to synchronization signal
Signal is simultaneously applied to first light polarization modulator, the second light polarization modulator, on third light polarization modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822143317.7U CN209117903U (en) | 2018-12-19 | 2018-12-19 | Wide-angle polarization splitting prism and bias colour 3D project light modulation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822143317.7U CN209117903U (en) | 2018-12-19 | 2018-12-19 | Wide-angle polarization splitting prism and bias colour 3D project light modulation system |
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| Publication Number | Publication Date |
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| CN209117903U true CN209117903U (en) | 2019-07-16 |
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ID=67208448
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| CN201822143317.7U Active CN209117903U (en) | 2018-12-19 | 2018-12-19 | Wide-angle polarization splitting prism and bias colour 3D project light modulation system |
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| Country | Link |
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2018
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Effective date of registration: 20200928 Address after: 518000 22 floor, C2 building, Nanshan Zhiyuan 1001, Nanshan District Xue Yuan Avenue, Shenzhen, Guangdong. Patentee after: SHENZHEN TIMEWAYING TECHNOLOGY Co.,Ltd. Address before: 518000 R&D Building, No. 2 Shengjianli Industrial Park, Guanlan Street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN DYON TECHNOLOGY Co.,Ltd. |
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