CN207123655U - Color wheel device and projecting apparatus - Google Patents
Color wheel device and projecting apparatus Download PDFInfo
- Publication number
- CN207123655U CN207123655U CN201620915850.9U CN201620915850U CN207123655U CN 207123655 U CN207123655 U CN 207123655U CN 201620915850 U CN201620915850 U CN 201620915850U CN 207123655 U CN207123655 U CN 207123655U
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- China
- Prior art keywords
- substrate
- color wheel
- wheel device
- plate face
- mounting hole
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Projection Apparatus (AREA)
Abstract
The utility model discloses a kind of color wheel device and projecting apparatus, the color wheel device includes substrate and the actuator with substrate drive connection, substrate have back to the first plate face and the second plate face, the first plate face is provided with fluorescence portion, and the second plate face is towards actuator；Multiple projections are provided with second plate face；The periphery of substrate and actuator link position is provided with multiple first insulation holes.The utility model improves the structure of color wheel device, improves the conversion efficiency of color wheel device.
Description
The application is applicant in 03 month 2016 Application No. 201620216867.5 submitted for 21st, utility model name
The referred to as divisional application of " color wheel device and projecting apparatus ".
Technical field
It the utility model is related to porjector technology field, more particularly to a kind of color wheel device and projecting apparatus.
Background technology
In DLP projector and laser fluorescence technology, colour wheel is separation and the one integral for handling color.
Existing colour wheel generally comprises colour wheel substrate, drives the drive motor of colour wheel substrate rotating.Wherein, colour wheel is arranged on
In the barrel forward end portion of drive motor；In addition, fluorescence coating, the fluorescence coating are set backwards to the side of drive motor in the colour wheel substrate
Light incident thereon is subjected to colors countenance, with the colourama needed.However, colour wheel fluorescence coating at work can not
Disconnected generation heat, if well can not pass this partial heat from colour wheel fluorescence coating, the temperature of colour wheel fluorescence coating
Will more and more higher, then influence colour wheel conversion efficiency and the life-span.
And existing colour wheel, heat caused by its fluorescence coating during substrate rotating with air contact on the one hand by dissipating
Heat, shell is on the other hand transferred heat to by motor and radiated.Wherein, radiated by substrate, area of dissipation is small, heat dissipation capacity
It is low；And radiated by motor transmission, because motor can also produce larger heat in itself, the substrate heat of transmission is smaller, therefore,
It is also small to the heat dissipation capacity of substrate.It follows that existing colour wheel substrate thermal diffusivity is poor, so that the overall transformation of existing colour wheel
It is less efficient；In addition, when motor temperature raises, operating efficiency can also reduce, and can further influence the conversion efficiency of colour wheel.
Utility model content
Main purpose of the present utility model is to provide a kind of color wheel device, it is intended to improves the conversion efficiency of color wheel device.
To achieve the above object, the utility model proposes a kind of color wheel device, the color wheel device include substrate and with it is described
The actuator of substrate drive connection, the substrate have back to the first plate face and the second plate face, first plate face be provided with it is glimmering
Light portion, second plate face is towards the actuator；Multiple projections are provided with second plate face；The substrate and the drive
The periphery of moving part link position is provided with multiple first insulation holes.
Preferably, the position of multiple raised positions in second plate face and the fluorescence portion in first plate face
Put correspondingly.
Preferably, it is described it is raised in a ring, and set with the substrate concentric circles.
Preferably, it is multiple described raised along the center of circle of the substrate to marginating compartment distribution, and multiple projections are in institute
The height of projection stated on substrate is successively decreased from the center of circle of the substrate to edge.
Preferably, it is described raised in cylinder, and uniform ring is set around the center of circle of the substrate.
Preferably, the middle part of the substrate is provided with mounting hole, and the actuator includes motor and the motor drive connection
Sleeve, the end of the sleeve is provided with the retainer ring being adapted to the mounting hole interference, and the retainer ring is away from the sleeve
End be provided with spacing flange, the substrate is socketed in the retainer ring by the mounting hole, the spacing flange limitation
The substrate departs from the retainer ring.
Preferably, the fluorescence portion is located at the fluorescence portion located at mounting hole periphery, each first insulation hole
Between the mounting hole.
Preferably, the position of sleeve described in the substrate face is provided with multiple second insulation holes, multiple described second every
Center of circle annular spread of the hot hole along the substrate.
Preferably, center of circle annular of multiple first insulation holes along the substrate is uniform.
The utility model also proposes a kind of projecting apparatus, and the projecting apparatus includes color wheel device as described above, the colour wheel dress
Put the actuator including substrate and with the substrate drive connection, the substrate have back to the first plate face and the second plate face,
First plate face is provided with fluorescence portion, and second plate face is towards the actuator；It is provided with second plate face multiple convex
Rise；The periphery of the substrate and the actuator link position is provided with multiple first insulation holes.
The utility model backwards to the side in fluorescence portion in substrate on the one hand by setting multiple projections so that the radiating of substrate
Area increase, improves heat dissipation capacity, to ensure the conversion efficiency of color wheel device；On the other hand, in substrate and actuator link position
Periphery be provided with multiple first insulation holes, by first insulation hole reduce substrate and driving between heat transfer path and
Area of heat transfer, make actuator be unlikely to overheat, ensure the drive efficiency of actuator, and then improve the conversion of whole color wheel device
Efficiency.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model color wheel device one；
Fig. 2 is the structural representation of the utility model substrate first embodiment；
Fig. 3 is the structural representation of the utility model substrate second embodiment；
Fig. 4 is the structural representation of the utility model substrate 3rd embodiment；
Fig. 5 is the structural representation of the utility model actuator.
Drawing reference numeral explanation：
| Label | Title |
| 10 | Substrate |
| 20 | Actuator |
| 31、32、33 | It is raised |
| 101 | First insulation hole |
| 102 | Mounting hole |
| 21 | Motor |
| 22 | Sleeve |
| 23 | Retainer ring |
| 24 | Spacing flange |
| 103 | Second insulation hole |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme
Occur conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the requires of the utility model
Protection domain within.
It is described the utility model proposes a kind of color wheel device, including substrate and the actuator with the substrate drive connection
Substrate have back to the first plate face and the second plate face, first plate face is provided with fluorescence portion, and second plate face is towards described
Actuator, multiple projections are provided with second plate face；The periphery of the substrate and the actuator link position is provided with more
Individual first insulation hole.
Specifically referring to Fig.1 and 2, being the utility model first embodiment.The color wheel device include substrate 10 and with institute
State the actuator 20 of the drive connection of substrate 10, the typically rounded setting of substrate 10, the substrate 10 have back to the first plate face and
Second plate face, first plate face are provided with fluorescence portion (not shown), and second plate face is towards the actuator 20, the fluorescence
Portion can be formed by the fluorescent material located at the surface of substrate 10.For actuator 20 when driving substrate 10 to rotate, fluorescence portion can be by incidence
Laser excitation thereon and produce colourama.
And fluorescence portion can produce heat during exciting light, raise the temperature of substrate 10, in order to be carried out to substrate 10
Radiating, the present embodiment are provided with multiple raised 31 in the second plate face of substrate 10, the specific set location sum of the projection 31
Measure it is unlimited, as long as can guarantee that the rotary balance of substrate 10, it is preferable that multiple raised 31 position in second plate face with
The position correspondence in the fluorescence portion in first plate face, to reduce the path of heat transfer, improve radiating efficiency.In addition, projection 31
Shape it is also unlimited, as long as the area of dissipation of substrate 10 can be increased.It is understood that base can be improved by projection 31
The area of dissipation of plate 10, the heat in fluorescence portion is set to be transmitted to more by the forced convertion of substrate 10 into air so as to reduce
The heat of motor, on the premise of ensureing that colour wheel fluorescence portion excites light action, it ensure that colour wheel temperature will not be too high.In addition, by
It is directly arranged in projection 31 on substrate 10, compared with prior art, reduces heat-transfer path, so as to improve radiating efficiency.
Also, it is transferred in order to avoid the heat on substrate 10 is excessive on actuator 20, and influences the drive of actuator 20
Efficiency of movement, the periphery of the substrate 10 and the link position of actuator 20 are provided with multiple first insulation holes 101, and this is first heat-insulated
Hole 101 can be that circular port, square opening etc. are variously-shaped, unlimited herein.Substrate 10 and driving are reduced by first insulation hole 101
Heat transfer path and area of heat transfer between part 20, and the weight of substrate 10 can also be mitigated, reduce actuator 20
Load.Wherein, when center of circle annular of multiple first insulation holes 101 along the substrate 10 is uniform, can more reduce
Amount of heat transfer between substrate 10 and actuator 20.
It is understood that the utility model proposes color wheel device, on the one hand by substrate 10 backwards to fluorescence portion
Side sets multiple raised 31 so that the area of dissipation increase of substrate 10, heat dissipation capacity is improved, to ensure that the conversion of color wheel device is imitated
Rate；On the other hand, multiple first insulation holes 101 are provided with the periphery of substrate 10 and the link position of actuator 20, by this first
Insulation hole 101 reduces the heat transfer path and area of heat transfer between substrate 10 and actuator 20, ensures the drive of actuator 20
Efficiency of movement, and then improve the operating efficiency of whole color wheel device.
In the present embodiment, the structure, and being set around the center of circle of the substrate 10 in a ring of projection 31.Set in a ring
Raised 31 area of dissipations are big, and thermal effect is good.
The projection 31 set in a ring is set with the concentric circles of substrate 10.In this way it is easier to ensure when substrate 10 rotates
Balance, and cause substrate 10 rotate when, air drag is small, and noise is low.
Further, the center of circle of multiple projections 31 set in a ring along the substrate 10 to marginating compartment is distributed, so
Annular wind groove is formed between each raised 31, improves radiating effect.
In addition, multiple described raised 31 height of projection 31 on the substrate 10 may further be provided from the substrate
Successively decrease at 10 center of circle to edge.In this manner it is ensured that the projection 31 close to the home position of substrate 10 also can be more sufficient with air
Contact radiating, while improving radiating effect, it is more uniform to ensure that substrate 10 radiates everywhere.
Reference picture 3, propose the second embodiment of the utility model color wheel device, the overall structure of the second embodiment and the
One embodiment is similar, repeats no more here.The distinguishing characteristics of second embodiment and first embodiment is, in the second embodiment
In, raised 32 cylindrical structures, and it is preferably cylindrical, the convenient shaping of projection 32 set in cylinder, radiate than more uniform.
, can be further by each circle in the cylindrical uniform ring of projection 32 around the substrate 10 in the second embodiment
The heart is set, to ensure the balance of the rotation of substrate 10, and the harmony that substrate 10 radiates.
Reference picture 4, propose the 3rd embodiment of the utility model color wheel device, the overall structure of the 3rd embodiment and the
One embodiment is similar, repeats no more here.The distinguishing characteristics of 3rd embodiment and first embodiment is, in the 3rd embodiment
In, raised 33 curved laminated structures, each curved sheet sets one end of projection 33 to be located at the outward flange of substrate 10, another
End extends along the radial direction of substrate 10 to its center of circle.The projection 33 of curved sheet, similar to fan balde structure, in 10 turns of substrate
In dynamic process, more air current flows can be driven, and then are entrained by the flow of air the heat on substrate 10, improve radiating effect
Fruit.
Please in combination with Fig. 1 to Fig. 5.In above-mentioned each embodiment, in order to reduce the heat between substrate 10 and actuator 20
Transmit, substrate 10 further can realize that specifically, the middle part of the substrate 10 is set with actuator 20 using following mounting structure
There is mounting hole 102, the actuator 20 includes motor 21, the sleeve 22 with the drive connection of motor 21, the sleeve 22
End is provided with the retainer ring 23 being adapted to the interference of mounting hole 102, and end of the retainer ring 23 away from the sleeve 22 is set
Limited location flange 24, the substrate 10 are socketed in the retainer ring 23 by the mounting hole 102, and the spacing flange 24 limits
The substrate 10 is made with the retainer ring 23 to depart from.Wherein, motor 21 realizes that driving substrate 10 rotates by drive sleeve 22.
In the present embodiment, fluorescence portion is located at the periphery of the mounting hole 102, and each first insulation hole 101 is located at institute
State between fluorescence portion and the mounting hole 102, preferably to reduce heat transfer.
Further, center of circle annular of multiple first insulation holes 101 along the substrate 10 is uniform, and is preferably and institute
The center of circle concentric circles for stating substrate 10 is set.So, the heat transfer path of substrate 10 and actuator 20 has uniformly been blocked, has been subtracted significantly
The heat that substrate 10 is transferred on actuator 20 is lacked.
Further, the position of sleeve 22 is provided with multiple second insulation holes 103, Duo Gesuo described in the face of substrate 10
State center of circle annular spread of second insulation hole 103 along the substrate 10.
It should be noted that the position of the corresponding sleeve 22 of substrate 10 also has heat transfer, by setting the second insulation hole
103 can play a part of obstructing heat transfer, and when center of circle annular of multiple second insulation holes 103 along substrate 10 is uniform, resistance
Thermal effect is more preferably.
The utility model also proposes a kind of projecting apparatus, and the projecting apparatus includes the color wheel device of above-described embodiment, the projecting apparatus
Concrete structure with reference to above-described embodiment, because this projecting apparatus employs whole technical schemes of above-mentioned all embodiments, therefore
All beneficial effects at least caused by the technical scheme with above-described embodiment, this is no longer going to repeat them.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure under utility model of the present utility model design, made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of color wheel device, including substrate and the actuator with the substrate drive connection, the substrate have back to the
One plate face and the second plate face, first plate face are provided with fluorescence portion, and second plate face is towards the actuator；Its feature exists
In being provided with multiple annular protrusions in second plate face, the annular protrusion is set with the substrate concentric circles.
2. color wheel device as claimed in claim 1, it is characterised in that multiple annular protrusions are in second plate face
The position correspondence of position and the fluorescence portion in first plate face.
3. color wheel device as claimed in claim 1, it is characterised in that the center of circle of multiple annular protrusions along the substrate is extremely
Marginating compartment is distributed, and the height of projection of multiple annular protrusions on the substrate is passed from the center of circle of the substrate to edge
Subtract.
4. the color wheel device as described in claim 1 or 3, it is characterised in that the middle part of the substrate is provided with mounting hole, the drive
Moving part includes motor, the sleeve with the motor drive connection, and the end of the sleeve is provided with to be adapted to the mounting hole interference
Retainer ring, end of the retainer ring away from the sleeve be provided with spacing flange, and the substrate is socketed by the mounting hole
In in the retainer ring, the spacing flange limits the substrate and departed from the retainer ring.
5. color wheel device as claimed in claim 2, it is characterised in that the middle part of the substrate is provided with mounting hole, the driving
Part includes motor, the sleeve with the motor drive connection, and the end of the sleeve is provided with what is be adapted to the mounting hole interference
Retainer ring, end of the retainer ring away from the sleeve are provided with spacing flange, and the substrate is socketed on by the mounting hole
In the retainer ring, the spacing flange limits the substrate and departed from the retainer ring.
6. color wheel device as claimed in claim 5, it is characterised in that the periphery of the substrate and the actuator link position
There are multiple first insulation holes.
7. color wheel device as claimed in claim 6, it is characterised in that the fluorescence portion is each located at mounting hole periphery
First insulation hole is located between the fluorescence portion and the mounting hole.
8. color wheel device as claimed in claim 6, it is characterised in that the center of circle of multiple first insulation holes along the substrate
It is annular uniform.
9. color wheel device as claimed in claim 6, it is characterised in that the position of sleeve is provided with more described in the substrate face
Individual second insulation hole, center of circle annular spread of multiple second insulation holes along the substrate.
10. a kind of projecting apparatus, it is characterised in that including the color wheel device as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915850.9U CN207123655U (en) | 2016-03-21 | 2016-03-21 | Color wheel device and projecting apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915850.9U CN207123655U (en) | 2016-03-21 | 2016-03-21 | Color wheel device and projecting apparatus |
| CN201620216867.5U CN205539709U (en) | 2016-03-21 | 2016-03-21 | Colour wheel device and projecting apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216867.5U Division CN205539709U (en) | 2016-03-21 | 2016-03-21 | Colour wheel device and projecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123655U true CN207123655U (en) | 2018-03-20 |
Family
ID=56783346
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620915227.3U Active CN207380348U (en) | 2016-03-21 | 2016-03-21 | Color wheel device and projecting apparatus |
| CN201620915850.9U Active CN207123655U (en) | 2016-03-21 | 2016-03-21 | Color wheel device and projecting apparatus |
| CN201620216867.5U Active CN205539709U (en) | 2016-03-21 | 2016-03-21 | Colour wheel device and projecting apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620915227.3U Active CN207380348U (en) | 2016-03-21 | 2016-03-21 | Color wheel device and projecting apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620216867.5U Active CN205539709U (en) | 2016-03-21 | 2016-03-21 | Colour wheel device and projecting apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN207380348U (en) |
| WO (1) | WO2017162001A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207380348U (en) * | 2016-03-21 | 2018-05-18 | 深圳市光峰光电技术有限公司 | Color wheel device and projecting apparatus |
| CN106444251A (en) * | 2016-11-18 | 2017-02-22 | 四川长虹电器股份有限公司 | Fluorescence color wheel device, light source system and laser projection device |
| DE112017006356T5 (en) * | 2016-12-19 | 2019-09-26 | Sony Corporation | LIGHT SOURCE DEVICE AND PROJECTION DISPLAY DEVICE |
| JP7102849B2 (en) * | 2018-03-28 | 2022-07-20 | セイコーエプソン株式会社 | Wavelength converter, light source device and projector |
| JP7113333B2 (en) * | 2018-07-31 | 2022-08-05 | パナソニックＩｐマネジメント株式会社 | WAVELENGTH CONVERSION WHEEL DEVICE, LIGHTING DEVICE, AND PROJECTION TYPE VIDEO DISPLAY DEVICE |
| CN110632813A (en) * | 2019-10-31 | 2019-12-31 | 珠海市大晟云视传媒科技有限公司 | Fluorescent wheel heat radiation structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5429079B2 (en) * | 2010-06-30 | 2014-02-26 | 株式会社Ｊｖｃケンウッド | Light source device and projection display device |
| CN204178109U (en) * | 2014-09-03 | 2015-02-25 | 深圳市绎立锐光科技开发有限公司 | A kind of colour wheel heat abstractor, color wheel device and light-emitting device |
| CN104516177B (en) * | 2014-12-18 | 2016-08-17 | 苏州佳世达光电有限公司 | Colour wheel and projection arrangement |
| CN205003431U (en) * | 2015-07-13 | 2016-01-27 | 深圳市光峰光电技术有限公司 | Colour wheel heat abstractor |
| CN205091534U (en) * | 2015-10-26 | 2016-03-16 | 深圳市光峰光电技术有限公司 | Colour wheel subassembly and projection arrangement |
| CN207380348U (en) * | 2016-03-21 | 2018-05-18 | 深圳市光峰光电技术有限公司 | Color wheel device and projecting apparatus |
-
2016
- 2016-03-21 CN CN201620915227.3U patent/CN207380348U/en active Active
- 2016-03-21 CN CN201620915850.9U patent/CN207123655U/en active Active
- 2016-03-21 CN CN201620216867.5U patent/CN205539709U/en active Active
-
2017
- 2017-02-27 WO PCT/CN2017/074960 patent/WO2017162001A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN207380348U (en) | 2018-05-18 |
| CN205539709U (en) | 2016-08-31 |
| WO2017162001A1 (en) | 2017-09-28 |
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Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. |
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Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518055 Shenzhen integrated circuit design and application Industrial Park 401, 1089 Cha Guang road, Nanshan District, Shenzhen, Guangdong Patentee before: APPOTRONICS Corp.,Ltd. |
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