CN204176561U - Fluorescence colour wheel and comprise the light source of this fluorescence colour wheel - Google Patents
Fluorescence colour wheel and comprise the light source of this fluorescence colour wheel Download PDFInfo
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- CN204176561U CN204176561U CN201420436585.7U CN201420436585U CN204176561U CN 204176561 U CN204176561 U CN 204176561U CN 201420436585 U CN201420436585 U CN 201420436585U CN 204176561 U CN204176561 U CN 204176561U
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- colour wheel
- fluorescence colour
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- heat radiation
- fluorescence
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- 239000000758 substrate Substances 0.000 claims abstract description 69
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- 230000005855 radiation Effects 0.000 claims abstract description 32
- 230000003287 optical effect Effects 0.000 claims description 14
- 229910052594 sapphire Inorganic materials 0.000 claims description 5
- 239000010980 sapphire Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000009795 derivation Methods 0.000 abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005269 aluminizing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model embodiment discloses a kind of fluorescence colour wheel and comprises the light source of this fluorescence colour wheel, and described fluorescence colour wheel comprises: substrate; Be positioned at the wavelength conversion layer of described substrate surface; Be positioned at the radiating piece that described substrate deviates from described wavelength conversion layer side, described radiating piece comprises: heat radiation axle, and be located on described heat radiation axle surrounding, the at least a slice radiating fin be fixedly connected with described heat radiation axle, thus make fluorescence colour wheel provided by the utility model, compared to fluorescence colour wheel of the prior art, add area of dissipation, thus accelerate the derivation speed of heat in described fluorescence colour wheel, reduce the temperature of described fluorescence colour wheel, improve the light conversion efficiency of described fluorescence colour wheel.
Description
Technical field
The utility model relates to fluorescence colour wheel technical field, particularly relates to a kind of fluorescence colour wheel and comprises the light source of this fluorescence colour wheel.
Background technology
At present, fluorescent material is one of core starting materials of semiconductor lighting, is widely used in LED light source and LASER Light Source.
For transmission-type fluorescence colour wheel, as shown in Figure 1, fluorescence colour wheel of the prior art comprises: motor 110, be positioned at the substrate 120 on described motor 110 surface, be positioned at the phosphor sheet 130 on described substrate 120 surface, be positioned at the optical filter 140 on described phosphor sheet 130 surface, its operation principle is: the side directive substrate 120 of colour wheel incident light from described substrate 120 towards motor 110, project on phosphor sheet 130 through substrate 120, excitated fluorescent powder sends the fluorescence of shades of colour, major part fluorescence more after filtration mating plate 140 filter, undertaken repairing look by optical filter 140, reach bright dipping requirement, become colour wheel and export light.
But the light conversion efficiency of above-mentioned fluorescence colour wheel is lower.
Utility model content
For solving the problems of the technologies described above, the utility model embodiment provides a kind of fluorescence colour wheel and comprises the light source of this fluorescence colour wheel, to improve described fluorescence colour wheel and to comprise the light conversion efficiency of this fluorescence colour wheel.
For solving the problem, the utility model embodiment provides following technical scheme:
A kind of fluorescence colour wheel, comprising:
Substrate;
Be positioned at the wavelength conversion layer of described substrate surface;
Be positioned at the radiating piece that described substrate deviates from described wavelength conversion layer side, described radiating piece comprises:
Heat radiation axle, and be located on described heat radiation axle surrounding, at least a slice radiating fin be fixedly connected with described heat radiation axle.
Preferably, described radiating fin is centered by described heat radiation axle, to the ring-type fin deviating from the extension of described heat radiation direction of principal axis.
Preferably, described radiating fin place plane is parallel to described wavelength conversion layer place plane.
Preferably, described radiating piece comprises multiple radiating fin, and described multiple radiating fin is parallel to each other.
Preferably, described fluorescence colour wheel also comprises: be positioned at the motor that described radiating piece deviates from described substrate side.
Preferably, described multiple radiating fin overlaps completely in the projection on along described radiating piece to described motor direction.
Preferably, described heat radiation axle is fixedly connected with described motor, substrate, under the driving of described motor, drives described radiating fin and described substrate synchronous rotary.
Preferably, also comprise: be positioned at the optical filter that described wavelength conversion layer deviates from described substrate side.
Preferably, described substrate is heat-radiating substrate.
Preferably, described heat-radiating substrate is sapphire substrate.
Preferably, also comprise: be positioned at the reflector plate of described substrate towards described wavelength conversion layer side.
A kind of light source comprising fluorescence colour wheel described in above-mentioned any one.
Compared with prior art, technique scheme has the following advantages:
The technical scheme that the utility model embodiment provides, comprising: substrate; Be positioned at the wavelength conversion layer of described substrate surface; Be positioned at the radiating piece that described substrate deviates from described wavelength conversion layer side, wherein, described radiating piece comprises: heat radiation axle, and be located on described heat radiation axle surrounding, the at least a slice radiating fin be fixedly connected with described heat radiation axle, thus make fluorescence colour wheel provided by the utility model, compared to fluorescence colour wheel of the prior art, add area of dissipation, thus accelerate the derivation speed of heat in described fluorescence colour wheel, reduce the temperature of described fluorescence colour wheel, improve the light conversion efficiency of described fluorescence colour wheel.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation and the sinking path schematic diagram of transmission-type fluorescence colour wheel in prior art;
Fig. 2 is the structural representation of fluorescence colour wheel that provides in the utility model embodiment and sinking path schematic diagram;
The structural representation of radiating piece in the fluorescence colour wheel that Fig. 3 provides for Fig. 2;
Fig. 4 is the structural representation of transmission-type fluorescence colour wheel that provides in another embodiment of the utility model and sinking path schematic diagram;
Fig. 5 is the structural representation of reflective fluorescence colour wheel that provides in the utility model embodiment and sinking path schematic diagram;
Fig. 6 is the structural representation of reflective fluorescence colour wheel that provides in another embodiment of the utility model and sinking path schematic diagram.
Detailed description of the invention
Just as described in the background section, in prior art, the light conversion efficiency of fluorescence colour wheel is lower.
Inventor studies discovery, and this is because colour wheel incident light projects on phosphor sheet through substrate, and excitated fluorescent powder sheet sends in the process of the fluorescence of shades of colour, can produce heat.And, the fluorescence major part of the shades of colour that phosphor sheet sends penetrates optical filter becomes colour wheel output light, small part is retained down by optical filter, reflect fluorescence excitation sheet again, and repeatedly excitated fluorescent powder sheet can produce heat equally, and the wide part that finally can not penetrate optical filter injection also can be converted to heat.
As can be seen here, fluorescence colour wheel can produce a large amount of heat at work, this part heat is transmitted on optical filter and substrate respectively, wherein, be transmitted to the heat on optical filter, be directly transmitted in air through optical filter, and the heat be transmitted on substrate, a part is directly transmitted in air through substrate, and a part is transmitted on motor through substrate, then is transmitted in air through motor.
In addition, motor in fluorescence colour wheel also can produce heat in rotary course, the area of dissipation of fluorescence colour wheel in prior art is made to be mainly the surface area of optical filter and substrate, and the finite surface area of optical filter and substrate, make the area of dissipation of fluorescence colour wheel limited, and, the structure of optical filter is light film of aluminizing at glass surface, the speed of its heat conduction is slower, cause when constantly strengthening luminous power, heat in fluorescence colour wheel can not be derived fast, and the temperature in fluorescence colour wheel directly will affect light conversion efficiency and the service life of phosphor sheet, thus cause the light conversion efficiency of phosphor sheet lower, reduced lifetime, namely the light conversion efficiency of fluorescence colour wheel is lower, reduced lifetime.
In view of this, the utility model embodiment provides a kind of fluorescence colour wheel, comprising:
Substrate;
Be positioned at the wavelength conversion layer of described substrate surface;
Be positioned at the radiating piece that described substrate deviates from described wavelength conversion layer side, described radiating piece comprises:
Heat radiation axle, and be located on described heat radiation axle surrounding, at least a slice radiating fin be fixedly connected with described heat radiation axle.
Accordingly, the utility model embodiment still provides a kind of light source comprising above-mentioned fluorescence colour wheel.
Contrast the fluorescence colour wheel that fluorescence colour wheel of the prior art and the utility model embodiment provide visible, the fluorescence colour wheel that the utility model embodiment provides, add the radiating piece being positioned at described substrate and deviating from described phosphor sheet side, thus add the area of dissipation of described fluorescence colour wheel, accelerate the derivation speed of heat in described fluorescence colour wheel, reduce the temperature of described fluorescence colour wheel, improve the light conversion efficiency of described fluorescence colour wheel.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public concrete enforcement.
As shown in Figure 2, the utility model embodiment provides a kind of fluorescence colour wheel, comprising: substrate 1; Be positioned at the wavelength conversion layer 2 on described substrate 1 surface; Be positioned at the radiating piece 3 that described substrate 1 deviates from described wavelength conversion layer 2 side.As shown in Figure 3, described radiating piece 3 preferably includes: heat radiation axle 31 and be located on described heat radiation axle 31 surrounding, the at least a slice radiating fin 32 be fixedly connected with described heat radiation axle 31, to increase the area of dissipation of described radiating piece 3, thus increase the area of dissipation of described fluorescence colour wheel, improve the rate of heat dispation of described fluorescence colour wheel, namely improve the derivation speed of heat in described fluorescence colour wheel, improve the light conversion efficiency of described fluorescence colour wheel.But the utility model does not limit this, as long as the area of dissipation of described fluorescence colour wheel can be increased, thus improve the derivation speed of heat in described fluorescence colour wheel.
Preferably, described wavelength conversion layer 2 is phosphor sheet, but the utility model does not limit this, specifically depends on the circumstances, as long as can play wavelength convert effect.It should be noted that, the fluorescence colour wheel that the utility model embodiment provides can be transmission-type fluorescence colour wheel, and can also be reflective fluorescence colour wheel, the utility model limit this.Below for described fluorescence colour wheel for projection-type fluorescence colour wheel is introduced fluorescence colour wheel provided by the utility model.
Because described transmission-type fluorescence colour wheel generally can not encapsulate, so it operationally, not only require its good heat dissipation effect, also need its noise little as much as possible, therefore in an embodiment of the present utility model, described radiating fin 32 is preferably centered by described heat radiation axle 31, to the ring-type fin deviating from the extension of described heat radiation axle 31 direction, thus reducing in described fluorescence colour wheel high-speed rotation, the air drag that described radiating piece 3 is subject to, reduces the noise in the described fluorescence colour wheel course of work.But the utility model does not limit this, in other embodiments of the present utility model, described radiating fin 32 can also be other shapes, specifically depends on the circumstances.In like manner, described heat radiation axle 31 can be cylindric, also can be cuboid or other shapes, the utility model does not limit this, but when described fluorescence colour wheel is transmission-type fluorescence colour wheel, described heat radiation axle 31 is preferably cylindric, to reduce in described fluorescence colour wheel high-speed rotation further, the air drag that described radiating piece 3 is subject to, reduces the noise in the described fluorescence colour wheel course of work.
In another embodiment of the present utility model, described fluorescence colour wheel is reflective fluorescence colour wheel, because reflective fluorescence colour wheel operationally generally can be packed, therefore its noise caused to external world is less, therefore in the present embodiment, described radiating fin 32 can be ring-type, also can be back-shaped or other shapes, the utility model does not limit this, specifically depends on the circumstances.
On the basis of above-mentioned any embodiment, in an embodiment of the present utility model, described radiating fin 32 place plane is parallel to described wavelength conversion layer 2 place plane, thus improves the cross-ventilation in the described fluorescence colour wheel course of work, improves radiating effect further.Preferably, described radiating piece 3 comprises multiple radiating fin 32, and described multiple radiating fin 32 is parallel to each other, and further to increase area of dissipation, improve radiating effect, but the utility model does not limit to this, specifically depends on the circumstances.
On the basis of above-mentioned any embodiment, in another embodiment of the present utility model, as shown in Figure 4, described fluorescence colour wheel also comprises: be positioned at the optical filter 4 that described wavelength conversion layer 2 deviates from described substrate 1 side, to excite the fluorescence of the shades of colour of formation to repair look to described wavelength conversion layer 2, improve the purity of described fluorescence colour wheel emergent ray.
On the basis of above-mentioned any embodiment, in another embodiment of the present utility model, continue as shown in Figure 4, described fluorescence colour wheel also comprises: be positioned at the motor 5 that described radiating piece 3 deviates from described substrate 1 side.In the present embodiment, described heat radiation axle 31 is fixedly connected with described motor 5, substrate 1, under the driving of described motor 5, described radiating fin 32 and described substrate 1 synchronous rotary, thus when described fluorescence colour wheel High Rotation Speed, convected air can be formed between the radiating fin 32 of described radiating piece 3, heat on described radiating piece 3 is transmitted in air fast, accelerate the radiating efficiency of described fluorescence colour wheel, the light conversion efficiency of the described fluorescence colour wheel of further raising, reduce the operating temperature of motor 5 simultaneously, extend the service life of motor 5.
Preferably, described multiple radiating fin 32 is overlapping along described radiating piece 3 completely to the projection on described motor 5 direction, but the utility model does not limit this, specifically depends on the circumstances.
On the basis of above-mentioned any embodiment, in a preferred embodiment of the present utility model, because sapphire has reasonable light transmission, described substrate 1 is sapphire substrate, but the utility model does not limit this, as long as ensure that described substrate 1 can play the supporting role of described wavelength conversion layer 2 and have good heat conductivility.
Because the incident light of reflective fluorescence colour wheel and emergent light are in the same side of described fluorescence colour wheel, therefore on the basis of above-described embodiment, in an embodiment of the present utility model, as shown in Figure 5, described fluorescence colour wheel also comprises: be positioned at the reflector plate 6 of described substrate 1 towards described wavelength conversion layer 2 side, to excite the light along incident light direction of formation to reflect to described wavelength conversion layer 2, make it be reflected back reverberation direction, improve the light utilization of described fluorescence colour wheel.It should be noted that, in the present embodiment, described substrate 1 can be sapphire substrate or other substrates, and the utility model does not limit this, as long as ensure that described substrate 1 can play the supporting role of described wavelength conversion layer 2 and have good heat conductivility.
In another embodiment of the present utility model, as shown in Figure 6, described fluorescence colour wheel can not also comprise reflector plate 6, but described substrate 1 is replaced with reflection substrate, to utilize described reflection substrate to excite the light along incident light direction of formation to reflect to described wavelength conversion layer 2, make it be reflected back reverberation direction, improve the light utilization of described fluorescence colour wheel, reduce the size of described fluorescence colour wheel simultaneously, be convenient to described fluorescence colour wheel later stage assembling and integrated.
It should be noted that, in above-mentioned any embodiment, the material of the utility model to described radiating piece 3 does not limit, as long as be heat sink material, preferably, the heat dispersion of its material is better, the radiating effect of described fluorescence colour wheel is better, and light conversion efficiency is higher.Also it should be noted that, described radiating piece 3 is preferably adhesively fixed with described substrate 1, but the utility model does not limit this, as long as ensure that described radiating piece 3 is fixedly connected with described substrate 1.In like manner, described motor 5 is also preferably adhesively fixed with described radiating piece 3, but the utility model does not also limit this, as long as ensure that described motor 5 is fixedly connected with described radiating piece 3.
In a specific embodiment of the present utility model, the quantity of described radiating fin 32 is preferably three.But the utility model does not limit this, the quantity of described radiating fin 32 is more, the radiating effect of described fluorescence colour wheel is better, and the noise in the course of work is also relatively large, and quantity is fewer, radiating effect is relatively slightly poor, noise is also relatively little, specifically optionally selects, as long as ensure in motor 5 rotation process, described fluorescence colour wheel balance is better, can not rock very much.
Accordingly, the utility model embodiment still provides a kind of light source comprising the fluorescence colour wheel that above-mentioned any embodiment provides.Described light source comprises: illuminating source and fluorescence colour wheel, thus the light utilizing described illuminating source to send is as fluorescence colour wheel incident light, project the light injection wavelength conversion layer 2 in fluorescence colour wheel being formed shades of colour, as the emergent light of described fluorescence colour wheel, i.e. the final emergent ray of described light source.
In sum, the fluorescence colour wheel that provides of the utility model embodiment and the light source that comprises this fluorescence colour wheel comprise: substrate 1; Be positioned at the wavelength conversion layer 2 on described substrate 1 surface; Be positioned at the radiating piece 3 that described substrate 1 deviates from described wavelength conversion layer 2 side, wherein, described radiating piece comprises: heat radiation axle, and be located on described heat radiation axle surrounding, the at least a slice radiating fin be fixedly connected with described heat radiation axle, thus make fluorescence colour wheel provided by the utility model, compared to fluorescence colour wheel of the prior art, add described area of dissipation, thus accelerate the derivation speed of heat in described fluorescence colour wheel, reduce the temperature of described fluorescence colour wheel, improve the light conversion efficiency of described fluorescence colour wheel.
In this description, various piece adopts the mode of going forward one by one to describe, and what each some importance illustrated is the difference with other parts, between various piece identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (12)
1. a fluorescence colour wheel, is characterized in that, comprising:
Substrate;
Be positioned at the wavelength conversion layer of described substrate surface;
Be positioned at the radiating piece that described substrate deviates from described wavelength conversion layer side, described radiating piece comprises:
Heat radiation axle, and be located on described heat radiation axle surrounding, at least a slice radiating fin be fixedly connected with described heat radiation axle.
2. fluorescence colour wheel according to claim 1, is characterized in that, described radiating fin is centered by described heat radiation axle, to the ring-type fin deviating from the extension of described heat radiation direction of principal axis.
3. fluorescence colour wheel according to claim 2, is characterized in that, described radiating fin place plane is parallel to described wavelength conversion layer place plane.
4. fluorescence colour wheel according to claim 3, is characterized in that, described radiating piece comprises multiple radiating fin, and described multiple radiating fin is parallel to each other.
5. fluorescence colour wheel according to claim 1, is characterized in that, described fluorescence colour wheel also comprises:
Be positioned at the motor that described radiating piece deviates from described substrate side.
6. fluorescence colour wheel according to claim 5, is characterized in that, multiple radiating fin overlaps completely in the projection on along described radiating piece to described motor direction.
7. the fluorescence colour wheel according to claim 5 or 6, is characterized in that, described heat radiation axle is fixedly connected with described motor, substrate, under the driving of described motor, drives described radiating fin and described substrate synchronous rotary.
8. fluorescence colour wheel according to claim 1, is characterized in that, also comprise: be positioned at the optical filter that described wavelength conversion layer deviates from described substrate side.
9. the fluorescence colour wheel according to claim 1-6 or 8 any one, is characterized in that, described substrate is heat-radiating substrate.
10. fluorescence colour wheel according to claim 9, is characterized in that, described heat-radiating substrate is sapphire substrate.
11. fluorescence colour wheels according to claim 1-6,8 or 10 any one, is characterized in that, also comprise: be positioned at the reflector plate of described substrate towards described wavelength conversion layer side.
12. 1 kinds of light sources comprising fluorescence colour wheel described in any one of claim 1-11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420436585.7U CN204176561U (en) | 2014-08-04 | 2014-08-04 | Fluorescence colour wheel and comprise the light source of this fluorescence colour wheel |
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| CN201420436585.7U CN204176561U (en) | 2014-08-04 | 2014-08-04 | Fluorescence colour wheel and comprise the light source of this fluorescence colour wheel |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104516177A (en) * | 2014-12-18 | 2015-04-15 | 苏州佳世达光电有限公司 | Color wheel and projector |
| CN106154718A (en) * | 2014-09-05 | 2016-11-23 | 台达电子工业股份有限公司 | Light wavelength conversion device and applicable light-source system thereof |
| WO2017101772A1 (en) * | 2015-12-14 | 2017-06-22 | 深圳市绎立锐光科技开发有限公司 | Fluorescent wheel and projector |
| CN107102504A (en) * | 2016-02-23 | 2017-08-29 | 精工爱普生株式会社 | Wavelength converter, lighting device and projecting apparatus |
| CN107490928A (en) * | 2016-06-09 | 2017-12-19 | 卡西欧计算机株式会社 | Fluorescent illuminating device, light supply apparatus and image projection device |
| CN108803216A (en) * | 2017-05-03 | 2018-11-13 | 台达电子工业股份有限公司 | fluorescence colour wheel and projector |
| CN111258161A (en) * | 2018-11-30 | 2020-06-09 | 无锡视美乐激光显示科技有限公司 | Temperature control structure of wavelength conversion device |
| CN111338073A (en) * | 2015-10-26 | 2020-06-26 | 深圳光峰科技股份有限公司 | Color wheel assembly and projection device |
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2014
- 2014-08-04 CN CN201420436585.7U patent/CN204176561U/en not_active Expired - Lifetime
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106154718B (en) * | 2014-09-05 | 2018-05-11 | 台达电子工业股份有限公司 | Light wavelength conversion device and its applicable light-source system |
| CN106154718A (en) * | 2014-09-05 | 2016-11-23 | 台达电子工业股份有限公司 | Light wavelength conversion device and applicable light-source system thereof |
| CN104516177B (en) * | 2014-12-18 | 2016-08-17 | 苏州佳世达光电有限公司 | Colour wheel and projection arrangement |
| CN104516177A (en) * | 2014-12-18 | 2015-04-15 | 苏州佳世达光电有限公司 | Color wheel and projector |
| CN111338073A (en) * | 2015-10-26 | 2020-06-26 | 深圳光峰科技股份有限公司 | Color wheel assembly and projection device |
| CN111338073B (en) * | 2015-10-26 | 2022-07-15 | 深圳光峰科技股份有限公司 | Color wheel assembly and projection device |
| WO2017101772A1 (en) * | 2015-12-14 | 2017-06-22 | 深圳市绎立锐光科技开发有限公司 | Fluorescent wheel and projector |
| CN107102504A (en) * | 2016-02-23 | 2017-08-29 | 精工爱普生株式会社 | Wavelength converter, lighting device and projecting apparatus |
| CN107490928A (en) * | 2016-06-09 | 2017-12-19 | 卡西欧计算机株式会社 | Fluorescent illuminating device, light supply apparatus and image projection device |
| CN107490928B (en) * | 2016-06-09 | 2020-07-24 | 卡西欧计算机株式会社 | Fluorescent light emitting device, light source device, and image projection device |
| CN108803216A (en) * | 2017-05-03 | 2018-11-13 | 台达电子工业股份有限公司 | fluorescence colour wheel and projector |
| CN108803216B (en) * | 2017-05-03 | 2021-02-12 | 台达电子工业股份有限公司 | Fluorescent color wheel and projector |
| CN111258161A (en) * | 2018-11-30 | 2020-06-09 | 无锡视美乐激光显示科技有限公司 | Temperature control structure of wavelength conversion device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20171030 Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xi Li Light Road No. 1089 Shenzhen integrated circuit design and application of Industrial Park Building 4 Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xi Li Light Road No. 1089 Shenzhen integrated circuit design and application of Industrial Park Building 4 Patentee before: YLX Inc. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
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: 518055 Shenzhen, Shenzhen, Guangdong 1089 Nanshan District road 1089, Shenzhen integrated circuit design application Industrial Park, 4 floor. Patentee before: APPOTRONICS Corp.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150225 |