CN206515600U - A kind of light conversion element, light-source system and display device - Google Patents
A kind of light conversion element, light-source system and display device Download PDFInfo
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- CN206515600U CN206515600U CN201720092757.7U CN201720092757U CN206515600U CN 206515600 U CN206515600 U CN 206515600U CN 201720092757 U CN201720092757 U CN 201720092757U CN 206515600 U CN206515600 U CN 206515600U
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Abstract
The utility model discloses a kind of light conversion element, light-source system and display device.Wherein, light conversion element includes incident area, luminescence unit, reflector space, light extraction region and light recovery zone, incident area, luminescence unit, reflector space and light extraction region are enclosed to form a space structure, and reflector space is set around luminescence unit, wherein：Incident area is used for incident exciting light；Luminescence unit is used to receive the exciting light of incidence to produce Stimulated Light；Reflector space is used at least part Stimulated Light is reflexed into light extraction region and luminescence unit will not be reflexed to by the exciting light that luminescence unit absorbs；Light extraction region is used for outgoing at least part Stimulated Light；Light recovery zone is used to reflect the exciting light and/or Stimulated Light for being incident to light recovery zone.By the above-mentioned means, the utilization rate that light is improved while the utility model can reduce the volume of product, reduce cost is highlighted with realizing.
Description
Technical field
The utility model is related to display technology field, more particularly to a kind of light conversion element, light-source system and display dress
Put.
Background technology
In existing projection light source, except using bulb and pure laser, as light source, also a kind of more prevalence is also wide
Welcome light source technology：The fluorescent powder color wheel that is rotated using excitation excites fixed phosphor sheet, to produce
Sequential light or white light outgoing.
In above-mentioned technology, the colour wheel of laser excitation rotation or the LASER Excited Fluorescence powder technology for exciting fixed phosphor sheet
Brightness is improved compared to existing LED solid state light emitters or bulb, image display effect lower compared to pure LASER Light Source cost
Fruit is more preferably.With the raising of the requirement of display, the problem of LASER Excited Fluorescence powder technology also encounters unprecedented, a side
Face, when the light source is used in the portable equipments such as micro- throwing, bulky problem will be unable to overcome；On the other hand, the light efficiency of the light source is not
Enough height, if further improving light efficiency, it is necessary to increase new component, certainly will so increase the volume and cost of light source；Furthermore,
If in the case where not increasing new element, by increasing curtage, the life-span to solid state light emitter is a pole by this
Big test.
Utility model content
The utility model mainly solving the technical problems that provide a kind of light conversion element, light-source system and display device,
The utilization rate that light is improved while the volume of product can be reduced, cost is reduced is highlighted with realizing.
In order to solve the above technical problems, the technical scheme that the utility model is used is：A kind of light conversion element is provided,
The light conversion element include incident area, luminescence unit, reflector space, light extraction region and light recovery zone, the incident area,
The luminescence unit, the reflector space and the light extraction region enclose to form a space structure, and the reflector space encloses
Set around the luminescence unit；Wherein：
Incident area is used for incident exciting light；
Luminescence unit is used to receive the exciting light of incidence to produce Stimulated Light；
Reflector space is used to reflexing to light extraction region and will be not by the luminescence unit at least partly Stimulated Light
The exciting light of absorption reflexes to the luminescence unit；
Light extraction region is used at least partly described Stimulated Light of outgoing；
Light recovery zone is used to reflect the exciting light and/or Stimulated Light for being incident to the smooth recovery zone.
Wherein, dichroic element is set on incident area, for optionally transmiting the exciting light, and reflect it is described by
Laser.
Wherein, the length-width ratio in light extraction region and the length-width ratio of projection screen match.
Wherein, the length-width ratio in light extraction region is 4：3 or 16：9.
Wherein, light extraction region is square, and the light extraction region and the smooth recovery zone are generally aligned in the same plane and light recovery
Region is connected with the edge in light extraction region.
Wherein, light extraction region is ball coronal-plane or parabola, circumference of the smooth recovery zone along the light extraction region
Set；
Wherein, the light conversion element also includes：
Luminous lens, are arranged on the side in the light extraction region, for entering from the emergent light of light extraction region outgoing
Row optically focused.
Wherein, light recovery zone is ball coronal-plane or parabola, the incident area of the light conversion element, luminescence unit and
The light extraction region is located at the sphere center position of the ball coronal-plane or the paraboloidal focal position；
Transmission region is provided with the smooth recovery zone.
Wherein, luminescence unit uses the fluorescence ceramics or composite ceramic material of pure phase.
In order to solve the above technical problems, another technical scheme that the utility model is used is：A kind of light-source system is provided,
The light-source system includes：
Light source, for sending exciting light；
Even optical element, for carrying out even light to the exciting light；
Light conversion element, for receiving the exciting light after even light and producing Stimulated Light, it includes previously described light conversion
Element；
Gathering element, the Stimulated Light for receiving the light conversion element outgoing.
Wherein, light-source system also includes：
Radiating piece, for being radiated to the light source.
In order to solve the above technical problems, another technical scheme that the utility model is used is：A kind of display device is provided,
The display device includes light-source system as previously described.
The beneficial effects of the utility model are：The situation of prior art is different from, the utility model provides a kind of light conversion
Element, light-source system and display device, the light conversion element include incident area, luminescence unit, reflector space, light extraction region with
And light recovery zone, incident area, luminescence unit, reflector space and light extraction region enclose to form a space structure, and reflection
Region is set around luminescence unit.Wherein, incident area is used for incident exciting light, and luminescence unit is used for the exciting light for receiving incidence
To produce Stimulated Light, reflector space is used at least part Stimulated Light is reflexed into light extraction region and will not absorbed by luminescence unit
Exciting light reflex to luminescence unit, light extraction region is used for outgoing at least part Stimulated Light, and light recovery zone is used to reflect incidence
To the exciting light and/or Stimulated Light of light recovery zone.Therefore, the utility model can reduce the volume of product, reduce the same of cost
The utilization rate of Shi Tigao light is highlighted with realizing.
Brief description of the drawings
Fig. 1 is a kind of structural representation for light-source system that the utility model embodiment is provided；
Fig. 2 is the structural representation of light source and radiating piece；
Fig. 3 is a kind of structural representation for light conversion element that the utility model embodiment is provided；
Fig. 4 is the structural representation for another light conversion element that the utility model embodiment is provided；
Fig. 5 is the structural representation for another light conversion element that the utility model embodiment is provided；
Fig. 6 is the structural representation for another light conversion element that the utility model embodiment is provided；
Fig. 7 is the index path for the light conversion element that the utility model embodiment is provided.
Embodiment
Referring to Fig. 1, Fig. 1 is a kind of structural representation for light-source system that the utility model embodiment is provided.Such as Fig. 1 institutes
Show, the light-source system 10 of the present embodiment includes radiating piece 1, light source 2, even optical element 3, light conversion element 4 and gathering element 5.
Wherein, light source 2 is used to send exciting light.In the present embodiment, light source 2 is preferably solid state light emitter.Light source 2 is laser
Light source and/or LED/light source.Wherein, LASER Light Source can be the form of single laser, or the shape of laser array
Formula.Similarly, LED/light source can be single led form, or the form of LED array.Light source 2 can also be other light
Source, this is not restricted.
Radiating piece 1 is used to radiate to light source 2.Specifically, the light source 2 of the present embodiment is preferably square structure, bag
Include smooth surface 21, the two sides 22 and 23 adjacent with exiting surface 21 and the side 24 relative with exiting surface 21.Wherein, exiting surface
21 area is less than the area of side 22 and 23., so can be with the present embodiment, it is preferred that side 23 is fixed on radiating piece 1
Increase the contact area of light source 2 and radiating piece 1, so as to contribute to the radiating of light source 2.
In the present embodiment, radiating piece 1 is preferably heat-conducting plate.Further, it can also be set in the side of heat-conducting plate 11
Radiate gear piece 12.As shown in Figure 2.The heat that light source 2 is produced is delivered on radiating gear piece 12 by heat-conducting plate 11, and radiate gear piece 12
Transfer heat in outside air.In addition, can also set heat pipe on radiating gear piece 12, partial heat is passed by heat pipe
It is delivered to the external world.
The exciting light that even optical element 3 is used to send light source 2 carries out even light.In the present embodiment, even optical element 3 can be even
Optical wand, fly's-eye lens or fly's-eye lens pair.Wherein, the shape of optical tunnel can be taper or square, the exit face of optical tunnel
Can be set as given shape, each lens unit of fly's-eye lens can be it is square can also be circular.
Light after even light enters light conversion element 4.Please also refer to shown in Fig. 3, light conversion element 4 includes incident area
41st, luminescence unit 44, reflector space 45, light extraction region 43 and light recovery zone 42.
Incident area 41, luminescence unit 44, reflector space 45, light extraction region 43 and light recovery zone 42 enclose to be formed
Between structure, and reflector space 45 sets around luminescence unit 44.
Wherein, incident area 41 is used for incident exciting light, that is, receives by the light after the even light of even optical element 3.Hair
Light unit 44 is arranged on the inside of light conversion element 4, for receiving the exciting light of incidence to produce Stimulated Light.Reflector space 45 is used
In at least part Stimulated Light is reflexed into light extraction region 43 and not reflexed to by the exciting light that luminescence unit 44 absorbs luminous
Unit 44.Reflector space 45 is arranged between incident area 41 and exit area 43, and on the side wall of light conversion element 4.
Reflector space 45 can be that the materials such as silver, aluminum oxide are coated on light conversion element 4.
Light extraction region 43 is used for outgoing at least part Stimulated Light.Light recovery zone 42 is incident to the light for reflection and reclaimed
The exciting light and/or Stimulated Light in region so that the Stimulated Light after the reflection of the reflector space from the light extraction region
Outgoing, the exciting light changes the Stimulated Light produced from light extraction region outgoing by the luminescence unit, that is, reflects incident
To the exciting light and/or Stimulated Light of light recovery zone to reclaim exciting light and/or Stimulated Light.Specifically, light recovery zone 42
The light of reflection includes following three kinds：
The first：Reflect Stimulated Light.That is, the Stimulated Light after the conversion of luminescence unit 44 is not all from output optical zone
The outgoing of domain 43, but have portions incident into light recovery zone 42.Now, light recovery zone 42 is by the incident partially-excited light
Transmitting, to reclaim re-using.
Second：Reflected excitation light.That is, from the incident exciting light of incident area 41 not all by luminescence unit 44
Stimulated Light is converted to, such as a part of exciting light is transmitted between luminescence unit 44 and reflector space 45, the exciting light of the part
Incide in light recovery zone 42, this in time recovery zone 42 the exciting light of the part is reflected, to reclaim re-using.
The third：Reflected excitation light and Stimulated Light.This kind of situation is combined with the first previously described situation and second
Kind of situation, that is, exist and do not incide light time from the Stimulated Light of the outgoing of light extraction region 43 and the exciting light do not changed by luminescence unit 44
Receive in region 42, those exciting lights and Stimulated Light are reflected recovery by light recovery zone 42 in the lump.
Gathering element 5 is used for the Stimulated Light for receiving the outgoing of light conversion element 4.Gathering element 5 is preferably collecting lens group.
Therefore, the light-source system of the utility model embodiment collects the exciting light of incidence by setting light recovery zone 42
And/or Stimulated Light so that incident exciting light and/or Stimulated Light can be reflected back the inside of luminescence unit 44 and be reused.
Other elements need not be increased, the utilization rate of light is improved while so as to reduce the volume of product, reduce cost to realize height
Brightness is shown.
In the present embodiment, dichroic element 411 is set, for optionally transmiting exciting light, and instead on incident area 41
Penetrate Stimulated Light.I.e. dichroic element 411 plays a part of an optical filtering.In the present embodiment, dichroic element 411 is from color and angle
Two aspects of degree are filtered.
First, color filter passes through for the light that dichroic element 411 is set to only permit particular color, and reflects other face
The light of color, for example, only allow blue light to pass through, the light reflection of other colors, it is possible thereby to which the light sent to light source 2 carries out color
Selection.
Secondly, angle optical filtering passes through for the light that dichroic element 411 is set to only permit special angle, and reflects other angles
The light of degree.This make use of the angle for the light that light source 2 sends different with the angle of the Stimulated Light formed after luminescence unit 44
Feature.For example, when light source 2 is LASER Light Source, the angle of its laser sent can be approximated to be zero degree, and pass through luminescence unit 44
The Stimulated Light formed afterwards is divergent state, and angle is larger.Therefore, the present embodiment sets angled in dichroic element 411
Reflecting layer is selected, for transmiting the light of low-angle, and the light of wide-angle is reflected, thus can be with exciting that transmitted light source 2 is sent
Light, and the Stimulated Light reflected after the conversion of luminescence unit 44.Angle Selection reflecting layer can be optical filter or filter coating.More
Body, when angle Selection reflecting layer is filter coating, dichroic element 411 can reflect the film of Stimulated Light for transmission exciting light,
Can transmit the film that exciting light reflects other light.Thus, the light that light source 2 is sent can be by dichroic element 411, and from light
Recovery zone 42, which is reflected, to be again passed by the Stimulated Light of luminescence unit 44 and further can be reflected by dichroic element 411.So as to
The loss of light can be reduced, it is ensured that the utilization rate of light.
In the present embodiment, luminescence unit 44 is any ceramic body that Stimulated Light is produced under the exciting of exciting light.It is preferred that,
Luminescence unit 44 uses the fluorescence ceramics or composite ceramic material of pure phase, and is the solid-state element with given shape, for example
Cuboid, square or spheroid etc..Can be specifically various oxide ceramics, nitride when it is the fluorescence ceramics of pure phase
Ceramics or nitrogen oxide ceramic, by mixing micro activator element in ceramic preparation process, such as lanthanide series forms hair
Light center.
When luminescence unit 44 is composite ceramic material, it is using transparent or semitransparent ceramics as matrix, in ceramic base
Luminescent ceramic particle, such as fluorescent powder grain are dispersed with matter.Transparent or semitransparent ceramic substrate can be various oxide ceramics,
Such as aluminium oxide ceramics and Y3Al5O12Ceramics or nitride ceramics, such as aluminium nitride ceramics, can also be that nitrogen oxides is made pottery
Porcelain.
In addition, ceramic substrate can also be that the fluorescence ceramics of pure phase, i.e. ceramic substrate have activator in itself, it can swash
Stimulated Light is sent under luminous irradiation.
Wherein, the fluorescent material of luminescence unit 44 can be that green emitting phosphor and red fluorescence powder are mixed, or yellow
Fluorescent material, can also be the fluorescent powder that subregion is set, wherein same district does not set the fluorescent material of different colours.
In the present embodiment, light conversion element 4 is preferably shaped to cuboid or square so that the plating of the grade of incident area 41
Film is simpler.
In the present embodiment, the length-width ratio in light extraction region 43 and the length-width ratio of projection screen match.More specifically, output optical zone
The length-width ratio in domain 43 is preferably 4：3 or 16：9.Can so cause the Stimulated Light of outgoing length and wide length with projection screen and
Wide ratio matches, so that the uniformity of light is more preferable, light efficiency is higher.
Wherein, light extraction region 43 is square, and light extraction region 43 and light recovery zone 42 are generally aligned in the same plane and light recovery area
Domain 42 is connected with the edge in light extraction region 43.
In the present embodiment, incident area 41 and light extraction region 43 can be located at the optional position of light conversion element 4.Such as Fig. 3
Shown, light conversion element 4 is the cube in six faces, and incident area 41 and light extraction region 43 be arranged on light conversion element 4 two are right
On side.And light recovery zone 42 is located on same side with light extraction region 43, and light extraction region 43 is arranged on the side
Center, light recovery zone 42 is arranged on around light extraction region 43.Luminescence unit 44 is arranged on the interior of light conversion element 4
Portion.Reflector space 45 is preferably provided between light recovery zone 42 and light extraction region 43, and is set around luminescence unit 44.
In other embodiments, incident area 41 and light extraction region 43 can also be provided on two adjacent sides, such as Fig. 4
It is shown.So as to improve number of times of the light in the reflection of luminescence unit 44 so that the light of outgoing evenly, and effectively light more
It is many, improve brightness.
In other embodiments, incident area 41 and light extraction region 43 also can be set on same side.Work as incident area
41 and light extraction region 43 be arranged on same side, and when having overlapping region, overlapping region transmission visible ray.
By described previously, light recovery zone 42 and light extraction region 43 are to be generally aligned in the same plane setting.More specifically, same
In individual plane, light recovery zone 42 is provided in the reflecting layer of the position beyond light extraction region 43, and reflecting layer is using silver, aluminum oxide
Deng material.
Described in brought forward, the utility model is reclaimed the Stimulated Light of non-outgoing to reuse by light recovery zone 42, is carried
The high utilization rate of light, so as to improve the brightness of light-source system 10.
Referring to Fig. 5, Fig. 5 is the structural representation for another light conversion element that the utility model embodiment is provided.Such as
Shown in Fig. 5, the light conversion element 50 of the present embodiment still includes incident area 51, light extraction region 53, luminescence unit 54 and light
Recovery unit 52.Wherein, the difference of the light conversion element 50 of the present embodiment and previously described light conversion element 4 is：
The light extraction region 53 of the light conversion element 50 of the present embodiment is ball coronal-plane or parabola, and light recovery zone 52 is arranged on spherical crown shape
Face or the paraboloidal position for being not provided with light extraction region 53.Because light extraction region 53 is along the circumferentially disposed of light extraction region 53, because
The light of this light recovery zone 52 reflection can be assembled to the centre of sphere of ball coronal-plane or paraboloidal focal position, i.e., can concentrate and be reflected back
Into luminescence unit 54, therefore the present embodiment can save reflector space 45 as shown in Figure 3 and Figure 4.
Further, the light conversion element 50 of the present embodiment also includes luminous lens 56.It is arranged on light extraction region 53
Side, for carrying out optically focused from the Stimulated Light of the outgoing of light extraction region 53.So that more dissipating from light extraction region 53 outgoing
The directional light of Stimulated Light formation aggregation, so as to improve the utilization rate of light.
Referring to Fig. 6, Fig. 6 is the structural representation for another light conversion element that the utility model embodiment is provided.Such as
Shown in Fig. 6, the light conversion element 60 of the present embodiment still includes incident area 61, exit area 63, luminescence unit 64, light recovery
Unit 62 and reflector space 65.Wherein, the difference of the light conversion element 60 of the present embodiment and previously described light conversion element 4
Part is：The light extraction region 63 of the light conversion element 60 of the present embodiment and light recovery zone 62 face that to be arranged on two different
On.
And light recovery zone 62 is ball coronal-plane or parabola.Incident area 61, luminescence unit 64, light extraction region 63 with
And reflector space 65 is located at the sphere center position of ball coronal-plane or paraboloidal focal position.
Transmission region 66 is provided with light recovery zone 62, transmission region 66 is arranged on ball coronal-plane or paraboloidal center
Position, light recovery zone 62 is arranged on ball coronal-plane or the paraboloidal position for being not provided with transmission region 66.Transmission region 66 can
Think through hole or be made of light transmissive material.
Light extraction region 63 is located at the side of spherical crown surface or paraboloidal concave surface, and the light of the wide-angle of light extraction region 63 is returned back out by light
Light region 62 is reflected, and the light of low-angle is from the outgoing of transmission region 66.Specific index path is as shown in Figure 7.
The utility model embodiment additionally provides a kind of display device, display device include above light-source system.Its
In, display device is micro- throwing, laser television and intelligent education machine etc..
In summary, the utility model can reach the display of high brightness using relatively low cost.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (11)
1. a kind of light conversion element, it is characterised in that the light conversion element include incident area, luminescence unit, reflector space,
Light extraction region and light recovery zone, the incident area, the luminescence unit, the reflector space and the light extraction region are enclosed
Close and form a space structure, and the reflector space is set around the luminescence unit；Wherein：
The incident area is used for incident exciting light；
The luminescence unit is used to receive the exciting light of incidence to produce Stimulated Light；
The reflector space is used at least partly described Stimulated Light reflexing to the light extraction region and will not lighted by described
The exciting light that unit absorbs reflexes to the luminescence unit；
The light extraction region is used at least partly described Stimulated Light of outgoing；
The smooth recovery zone is used to reflect the exciting light and/or Stimulated Light for being incident to the smooth recovery zone.
2. light conversion element according to claim 1, it is characterised in that dichroic element is set on the incident area,
For optionally transmiting the exciting light, and reflect the Stimulated Light.
3. light conversion element according to claim 1, it is characterised in that the length-width ratio and projection screen in the light extraction region
Length-width ratio match.
4. light conversion element according to claim 3, it is characterised in that the length-width ratio in the light extraction region is 4：3 or 16：
9。
5. light conversion element according to claim 3, it is characterised in that the light extraction region is square, the output optical zone
Domain and the smooth recovery zone are generally aligned in the same plane and the smooth recovery zone is connected with the edge in the light extraction region.
6. light conversion element according to claim 3, it is characterised in that the light extraction region is ball coronal-plane or parabolic
Face, the smooth recovery zone is circumferentially disposed along the light extraction region；
Wherein, the light conversion element also includes：
Luminous lens, are arranged on the side in the light extraction region, for being gathered from the Stimulated Light of light extraction region outgoing
Light.
7. light conversion element according to claim 3, it is characterised in that the smooth recovery zone is ball coronal-plane or parabolic
Face, incident area, luminescence unit, reflector space and the light extraction region of the light conversion element are located at the ball coronal-plane
Sphere center position or the paraboloidal focal position；
Transmission region is provided with the smooth recovery zone.
8. light conversion element according to claim 1, it is characterised in that the luminescence unit uses the fluorescence ceramics of pure phase
Or composite ceramic material.
9. a kind of light-source system, it is characterised in that the light-source system includes：
Light source, for sending exciting light；
Even optical element, for carrying out even light to the exciting light；
Light conversion element, for receiving the exciting light after even light and producing Stimulated Light, the light conversion element is claim 1-8
Light conversion element described in any one；
Gathering element, the Stimulated Light for receiving the light conversion element outgoing.
10. light-source system according to claim 9, it is characterised in that the light-source system also includes：
Radiating piece, for being radiated to the light source.
11. a kind of display device, it is characterised in that the display device includes the light-source system as described in claim 9-10.
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| CN201720092757.7U CN206515600U (en) | 2017-01-22 | 2017-01-22 | A kind of light conversion element, light-source system and display device |
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| CN201720092757.7U CN206515600U (en) | 2017-01-22 | 2017-01-22 | A kind of light conversion element, light-source system and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108345161A (en) * | 2017-01-22 | 2018-07-31 | 深圳市光峰光电技术有限公司 | A kind of light conversion element, light-source system and display device |
| CN109798489A (en) * | 2017-11-17 | 2019-05-24 | 深圳市绎立锐光科技开发有限公司 | A kind of lighting device and automobile lighting lamp |
| WO2020019753A1 (en) * | 2018-07-26 | 2020-01-30 | 深圳市绎立锐光科技开发有限公司 | Illumination apparatus |
-
2017
- 2017-01-22 CN CN201720092757.7U patent/CN206515600U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108345161A (en) * | 2017-01-22 | 2018-07-31 | 深圳市光峰光电技术有限公司 | A kind of light conversion element, light-source system and display device |
| CN111999973A (en) * | 2017-01-22 | 2020-11-27 | 深圳光峰科技股份有限公司 | Light conversion element, light source system and display device |
| CN108345161B (en) * | 2017-01-22 | 2021-02-26 | 深圳光峰科技股份有限公司 | Light conversion element, light source system and display device |
| CN111999973B (en) * | 2017-01-22 | 2022-04-26 | 深圳光峰科技股份有限公司 | Light conversion element, light source system and display device |
| CN109798489A (en) * | 2017-11-17 | 2019-05-24 | 深圳市绎立锐光科技开发有限公司 | A kind of lighting device and automobile lighting lamp |
| WO2020019753A1 (en) * | 2018-07-26 | 2020-01-30 | 深圳市绎立锐光科技开发有限公司 | Illumination apparatus |
| CN110778926A (en) * | 2018-07-26 | 2020-02-11 | 深圳市绎立锐光科技开发有限公司 | Lighting device |
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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 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518000 Guangdong province Shenzhen Nanshan District Xili town Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Patentee before: APPOTRONICS Corp.,Ltd. |
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