CN205091534U - Colour wheel subassembly and projection arrangement - Google Patents
Colour wheel subassembly and projection arrangement Download PDFInfo
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- CN205091534U CN205091534U CN201520835071.3U CN201520835071U CN205091534U CN 205091534 U CN205091534 U CN 205091534U CN 201520835071 U CN201520835071 U CN 201520835071U CN 205091534 U CN205091534 U CN 205091534U
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Abstract
The utility model provides a colour wheel subassembly and projection arrangement, wherein the colour wheel subassembly includes: the colour wheel, be used for fixing the colour wheel base plate of colour wheel, and be used for the drive the rotatory drive arrangement of colour wheel base plate, colour wheel base plate outer fringe is equipped with the fin, the fin protrusion the side surface setting of colour wheel base plate, the colour wheel base plate with the colour wheel is circularly, the colour wheel surface is equipped with the glimmering light zone of ring form, colour wheel base plate diameter with the glimmering light zone external profile diameter phase -match of colour wheel. The utility model discloses a set up a plurality of fin at colour wheel base plate side surface, both shortened the colour wheel heat -conduction route between region and the fin that generates heat, increased the hot exchange area between colour wheel and air again, the fin is certain contained angle with the colour wheel axial for the colour wheel subassembly can obtain stable axial air convection, the fin is whole to be set up to the airfoil structure, has further increased cooling surface and air convection, has played fine the falling effect of making an uproar simultaneously.
Description
Technical field
The application relates to a kind of light supply apparatus, particularly relates to a kind of color block component and projection arrangement.
Background technology
More existing projection arrangements, the technology of the LASER Excited Fluorescence colour wheel adopting LASER Light Source to produce produces sequence of colored lights.And this series products is along with the raising of source device output optical power, the heat power consumption on colour wheel also rises thereupon, if colour wheel heat dissipation problem not can solve, greatly can reduce the efficiency of fluorescent powder stimulated luminescence, even cause the damage of colour wheel itself.Colour wheel realizes lowering the temperature mainly through High Rotation Speed and air exchange heat, and the radiating effect thus improving colour wheel will strengthen the convection heat transfer efficiency of colour wheel.
In prior art, in order to improve convection heat transfer efficiency further, the gas velocity usually by improving wheel surface increases convection transfer rate.The such as patent No. be US7018051B2 U.S. patents disclose a kind of colour wheel radiating subassembly, its technical scheme is mainly protruding at colour wheel hub positions design flabellum shape, rotates and produces air-flow, can improve the convection transfer rate of colour wheel with colour wheel.But in its scheme, flabellum shape projection is positioned at hub positions, the heating region main with colour wheel is distant, heat conducting path is far away, further, because wheel hub distance colour wheel rotation center is comparatively near, when colour wheel rotates, it is less that the protruding institute of flabellum shape obtains linear velocity, and air-flow of its driving is not good to the cooling effect of colour wheel heating region.And, by increasing the windward side of flabellum shape projection and then improving incoming flow wind speed, then need high back pressure, large discharge ventilating part, so just need to consider the many factors such as product size, noise, cost, and wind speed arrives to a certain degree, then raising wind speed can make cooling-down effect successively decrease further.The non-hot zone adopting and heat radiator is arranged on colour wheel is also had in prior art, like this, the operation of the production technology of colour wheel is just many processing heat radiator together, produce with very large difficulty to colour wheel, extra adds production cost, and in the use procedure of projection-type device, often need repeatedly to change colour wheel, on the colour wheel changed like this, the extra heat radiator arranged is undoubtedly the waste of the resources of production.
Summary of the invention
The utility model provides a kind of color block component and projection arrangement, calls at the existing colour wheel radiating efficiency of solution low, the problems such as operating noise is large.
A kind of color block component, comprise: colour wheel, colour wheel substrate for fixing described colour wheel, and the drive unit for driving described colour wheel substrate to rotate, wherein, described colour wheel substrate outer edge is provided with heat radiator, and the side surface that described heat radiator protrudes described colour wheel substrate is arranged, and described colour wheel substrate and described colour wheel are circle, described wheel surface is provided with circular phosphor region, and described colour wheel substrate diameter and described colour wheel phosphor region external profile diameter match.
A kind of color block component, comprise: a circular colour wheel substrate adopting Heat Conduction Material to prepare, for the drive unit driving described colour wheel substrate to rotate, wherein, a described colour wheel substrate axis end face is wherein provided with around the described colour wheel substrate phosphor region of a week, the side end face that described colour wheel substrate is provided with phosphor region forms colour wheel, and described colour wheel substrate diameter and described colour wheel phosphor region external profile diameter match; Described colour wheel substrate outer edge is provided with heat radiator, and the side surface that described heat radiator protrudes described colour wheel substrate is arranged.
Described color block component, wherein, described heat radiator is arranged on the side surface of described colour wheel substrate.
Described color block component, wherein, described heat radiator in described colour wheel substrate-side on the surface along described colour wheel substrate axis to separately multilayer is set.
Described color block component, wherein, described every layer of heat radiator is that described fin surface parallels setting with described colour wheel substrate axial end around described colour wheel substrate-side surface one week, overall ringwise fin.
Described color block component, wherein, described heat radiator every layer is made up of single heat radiator.
Described color block component, wherein, described heat radiator is arranged on the surface in described colour wheel substrate-side, the angle of inclination producing axial flow when rotating for described colour wheel substrate in one between described heat radiator and described colour wheel substrate axial end is arranged, and described heat radiator is multiple along surperficial one week of described colour wheel substrate-side arranging separately.
Described color block component, wherein, the axial end of described heat radiator and described colour wheel substrate is 10 ° of pitch angle.
Described color block component, wherein, described heat radiator is the airfoil structure of uneven distribution, the relatively thick one end of described heat radiator towards described colour wheel substrate axis to an end face, and be positioned at described heat radiator when described colour wheel substrate rotates produce the windward side of axial flow; The relatively thin tapered at one end ground of described fin thickness towards described colour wheel substrate axis to both ends of the surface extend and be positioned at the wake flow end of described axial flow, described heat radiator is multiple along surperficial one week of described colour wheel substrate-side arranging separately.
A kind of projection arrangement, described projection arrangement comprises above-described color block component.
Color block component given by the utility model and projection arrangement, by arranging multiple heat radiator on colour wheel substrate-side surface, both having shortened the heat conduction path between colour wheel heating region and heat radiator, having in turn increased the heat exchange area of colour wheel cooling mechanism; Heat radiator and colour wheel are axially in a certain angle, make color block component can obtain stable axial air convection current; Heat radiator whole installation is airfoil structure, further increases radiating surface and cross-ventilation, serves good Noise Reduction simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the radial cross-section of Fig. 1 by colour wheel rotation;
Fig. 3 is the structural representation of the utility model embodiment two;
Fig. 4 is the structural representation of the utility model embodiment three;
Fig. 5 is the structural representation of the utility model embodiment four.
Embodiment
By reference to the accompanying drawings the application is described in further detail below by embodiment.
In the embodiment of the present application, provide a kind of color block component, comprise colour wheel substrate, the outer rim of colour wheel substrate is provided with heat radiator.The face of the hot zone of colour wheel mainly its luminescence, this face is in the zonal arrangement ringwise of colour wheel outer rim, and thus the outer rim of the hot zone distance colour wheel substrate of colour wheel is nearest.Adopt such design, heat radiator is arranged on the outer rim of colour wheel substrate, maximum linear velocity can be obtained, shorten the heat conduction path between heat radiator and colour wheel heating region, improve convection transfer rate, meanwhile, add the heat exchange area of colour wheel substrate and air, further increase radiating efficiency.
Embodiment one:
The color block component that the present embodiment provides, as shown in Figure 1, comprising: colour wheel 10, colour wheel substrate 12, and the drive unit driving described colour wheel substrate 12 to rotate, and wherein colour wheel 10 and colour wheel substrate 12 are discoid, and drive unit is motor 11.Described colour wheel substrate 12 outer rim is provided with heat radiator 124, and described heat radiator 124 protrudes described colour wheel substrate 12 side surface 123 and arranges.Wherein, colour wheel substrate 12 outside diameter and colour wheel phosphor region 101 external profile diameter match (namely equal or close), the phosphor region 101 of colour wheel 10 is arranged on the outer rim zonal arrangement ringwise of colour wheel 10, and this phosphor region 101 is the heating region of colour wheel 10.Heat radiator 124 is arranged on the outer rim of colour wheel substrate 12, make the phosphor region 101 of colour wheel 10 the shortest to the root heat-transfer path of heat radiator 124, the heat of colour wheel 10 phosphor region 101 can be conducted to heat radiator 124 fast, drastically increase the radiating efficiency of colour wheel 10.
Particularly, as shown in Figure 2, colour wheel substrate 12 center is provided with for the axle sleeve 13 suitable with the rotor of motor 11, by the rotor of motor 11 and the fixing assembling of axle sleeve 13, makes motor 11 drive colour wheel substrate 12 to rotate.And colour wheel 10 is fixed on colour wheel substrate 12 axial end, such colour wheel 10 together can rotate with colour wheel substrate 12.
Further, as Figure 1-Figure 2, should try one's best and to arrange near colour wheel 10 heating region and phosphor region 101 in the position of heat radiator 124, the heat-transfer path between colour wheel pili annulati thermal region 101 to heat radiator 124 can be shortened like this, for meeting this structural requirement, the diameter of colour wheel substrate 12 should be identical with the external profile diameter of colour wheel phosphor region 101 or close, this makes it possible to make colour wheel heating region 101 radial nearest with backing 124 root along colour wheel substrate 12, guarantees that heat conduction path is the shortest.
In addition, heat radiator 124 is arranged on colour wheel substrate 12 side surface 123 (i.e. colour wheel substrate outer edge surface), make heat radiator 124 have maximum radius of turn, when colour wheel substrate 12 rotates, heat radiator 124 just can obtain maximum linear velocity like this, improves convection transfer rate.And heat radiator 12 itself turn increases colour wheel substrate 12 and the heat exchange area of air, further increase radiating efficiency.
Certainly, in other embodiments of the utility model, heat radiator 124 also can be arranged on the outer rim of colour wheel 10.The present embodiment is due on the colour wheel substrate 12 of heat radiator is arranged on fixing colour wheel 10, as the firmware of in color block component, so only need to change general color wheel separately, also without the need to additional processing heat radiator in general color wheel in the actual production of colour wheel, reduce production cost, the waste of the resources of production can not be caused.
Particularly, as shown in Figure 2, colour wheel 10 shady face 103 is fixed on the axial end 122 of colour wheel substrate 12 by coating heat conductive silica gel, certainly, also the mode of other any low interface resistances can be adopted to fix, such as, colour wheel 10 is welded on colour wheel substrate 12 axial end.Colour wheel 10 center is provided with for the circular hole through axle sleeve 13.During assembling, the rotor of motor 11 passes the center of colour wheel 10, and insert in the axle sleeve 13 at colour wheel substrate 12 center, the inwall 131 of axle sleeve 13 and the rotor of motor 11 are fixed by the mode such as bolt or key and are connected.
Preferably, in order to increase the area of dissipation of heat radiator 124 further, heat radiator 124 on colour wheel substrate 12 side surface 123 along colour wheel substrate 12 axially separately multilayer is set, while guaranteeing that heat radiator 124 area of dissipation increases, do not affect again the air circulation between multiple heat radiator 124, thus, the heat radiator 124 of ring-type fin structure should not arrange too intensive.Layout in the size of the concrete quantity that heat radiator 124 is arranged, radial width, thickness and spacing-visible colour wheel 10 and color wheel device between each components and parts and determining.As shown in Figure 2, the heat radiator 124 in the present embodiment preferably arranges two.
Further, every layer of heat radiator 124 is the fin of single annular, is arranged on colour wheel substrate 12 side surface 123, and within one week, is the annular closed around described colour wheel substrate 12 outer rim.Heat radiator 124 surface is mutually concordant with colour wheel substrate 12 axial end, and heat radiator 124 has identical rotation with colour wheel substrate 12.In other words, the front projection of the outer rim of colour wheel substrate 12 and the outer rim of heat radiator 124 is concentric circles.Certainly, the present embodiment basis can also simply convert, such as, in other embodiments of the utility model, individual layer heat radiator 124 may not be closed annular, namely by multiple heat radiator 124 separately be distributed in same layer.The loop configuration closed also can be arranged in heat radiator 124 surface, but can not parallel with the axial end of colour wheel substrate 12.But these conversion are all based on the simple transformation on intention basis of the present utility model, all at concept of the present utility model.
Embodiment two:
Color block component given by the present embodiment is improved on embodiment one basis, as shown in Figure 3, in the present embodiment, heat radiator 124 is arranged in colour wheel substrate 12 side surface 123 surface in a pitch angle, heat radiator 124 two ends respectively corresponding two end faces axial with colour wheel substrate 12 are mutually concordant, the surface of heat radiator 124 and colour wheel substrate 12 are axially in a specific angle, that is, relative colour wheel substrate 12 axial end is angled is obliquely installed for heat radiator 124.In other words, independent each heat radiator 124 is by the outer genesis of an end face of colour wheel substrate 12 axis, extend along colour wheel substrate 12 side surface 123 to another end face of colour wheel substrate 12 axis, multiple like this heat radiator 124 is similar to the many turbofans structure be arranged on colour wheel substrate 12 side surface 123 on the whole.In the present embodiment, two surfaces of heat radiator 124 are parallel to each other, and namely whole heat radiator 124 thickness is even.
Further, when the air-flow velocity produced in heat radiator 124 rotary course is excessive, color block component inner home court air-flow can be had influence on, affect the result of use of whole equipment; And air-flow velocity is too small, cause again colour wheel self-radiating DeGrain.Thus, heat radiator 124 surface need be determined according to the layout of color block component internal component and performance with the angle of substrate 12 axis.Such as, if color block component allows the effect by increasing air-flow the components and parts closed on being played to a cooling, at this moment will rooting according to the angle of aerodynamic principle adjustment heat radiator 124 with colour wheel substrate 12 axis, thus obtain larger axial flow.This angle is preferably set to 80 ° by the present embodiment, and namely between heat radiator 124 surface and colour wheel substrate 12 axial end, angle is set to 10 °.
Embodiment three:
Color block component given by the present embodiment improves the one of previous embodiment, as shown in Figure 4, heat radiator 124 one-tenth airfoil structure in the present embodiment, namely, the drops that heat radiator 124 is roughly thin in thick one end, one end along the cross section of colour wheel substrate 12 circumferencial direction, the wing of the overall similar aircraft of heat radiator 124.The relatively thick one end of described heat radiator 124 towards an end face of described colour wheel substrate 12 axis, and be positioned at described heat radiator 124 when described colour wheel substrate 12 rotates produce the windward side of axial flow; The tapered at one end ground that described heat radiator 124 thickness is relatively thin extends towards the both ends of the surface of described colour wheel substrate 12 axis and is positioned at the wake flow end of described axial flow, that is, one end that airfoil structure thickness is larger is arranged at the windward side of heat radiator 124, and the relatively thin one end of thickness is towards another axial end (being namely arranged on wake flow end) of colour wheel substrate 12.Wherein, heat radiator 124 is multiple along described colour wheel substrate 12 side surface one week arranging separately.
According to the bernoulli principle in aerodynamics, adopt such structural design, when airflow passes heat radiator 124 upper and lower surface, pressure difference is there will be on two surfaces of heat radiator 124, laminar flow is formed on heat radiator 124 surface, thus, when colour wheel substrate 12 rotates with same rotational speed, adopt the heat radiator 124 of airfoil structure can obtain larger cross-ventilation, improve radiating efficiency.In addition, adopt the heat radiator 124 of airfoil structure, distance between its upper and lower two surfaces changes with the change of heat radiator 124 surface curve, thus make that heat radiator 124 structure possesses certain Reynolds number, stability is better in the gas flow to make heat radiator 124, and vibration frequency is low, thus, the heat radiator of the plank frame that relative two surfaces are parallel, the noise of heat radiator 124 when high velocity air passes through of airfoil structure will be lower, and the surface area of heat radiator 124 is larger.In actual production, the Reynolds number of heat radiator 124 airfoil structure can be adjusted, thus obtain the noise reduction standard of expection.
Embodiment four,
Based on the description of above-described embodiment, the utility model gives another kind of color block component, as shown in Figure 5, the present embodiment proposes a kind of improvement project on the basis of above-described embodiment, be with the difference of above-described embodiment, colour wheel and the colour wheel substrate 12 of the present embodiment adopt integrative-structure, and heat radiator 124 adopts the structure described by above-mentioned any embodiment.Particularly, colour wheel substrate 12 selects highly heat-conductive material to prepare, and directly process axle sleeve 13 in the center of colour wheel substrate 12, then at the axial end outer rim spraying fluorescent material of colour wheel substrate 12, form phosphor region 101, this phosphor region 101 is the light-emitting zone of colour wheel, is also the main heating region of colour wheel.Adopt such structural design, the outer rim of phosphor region 101 outer rim and colour wheel substrate 12 overlaps, and this phosphor region 101 is directly contacted with heat radiator 124 root, and its heat conduction path is the shortest.By in a preparation phosphor region 101, colour wheel substrate 12 surface, this side end face of colour wheel substrate 12 can be realized and use as colour wheel simultaneously.Adopt colour wheel and the integrated design of colour wheel substrate, at enhancing color block component radiating effect, when reducing operating noise, the production process of color block component can be simplified, save starting material, well reduce the production cost of colour wheel and derived product thereof.
Embodiment five,
Based on the description of above-described embodiment, the present embodiment also provides a kind of projection arrangement, and this projection arrangement comprises the color block component described in above embodiment.
Color block component given by the utility model and projection arrangement, by arranging multiple heat radiator on colour wheel substrate-side surface, both having shortened the heat conduction path between colour wheel heating region and heat radiator, having in turn increased the heat exchange area of colour wheel cooling mechanism; Heat radiator and colour wheel are axially in a certain angle, make color block component can obtain stable axial air convection current; Heat radiator whole installation is airfoil structure, further increases radiating surface and cross-ventilation, serves good Noise Reduction simultaneously.
Above content is the further description done the application in conjunction with concrete embodiment, can not assert that the concrete enforcement of the application is confined to these explanations.For the application person of an ordinary skill in the technical field, under the prerequisite not departing from the present application design, some simple deduction or replace can also be made.
Claims (10)
1. a color block component, comprise: colour wheel, colour wheel substrate for fixing described colour wheel, and the drive unit for driving described colour wheel substrate to rotate, it is characterized in that, described colour wheel substrate outer edge is provided with heat radiator, and the side surface that described heat radiator protrudes described colour wheel substrate is arranged, and described colour wheel substrate and described colour wheel are circle, described wheel surface is provided with circular phosphor region, and described colour wheel substrate diameter and described colour wheel phosphor region external profile diameter match.
2. a color block component, comprise: a circular colour wheel substrate adopting Heat Conduction Material to prepare, for the drive unit driving described colour wheel substrate to rotate, it is characterized in that, a described colour wheel substrate axis end face is wherein provided with around the described colour wheel substrate phosphor region of a week, the side end face that described colour wheel substrate is provided with phosphor region forms colour wheel, and described colour wheel substrate diameter and described colour wheel phosphor region external profile diameter match; Described colour wheel substrate outer edge is provided with heat radiator, and the side surface that described heat radiator protrudes described colour wheel substrate is arranged.
3. color block component as claimed in claim 1 or 2, it is characterized in that, described heat radiator is arranged on the side surface of described colour wheel substrate.
4. color block component as claimed in claim 3, is characterized in that, described heat radiator in described colour wheel substrate-side on the surface along described colour wheel substrate axis to separately multilayer is set.
5. color block component as claimed in claim 4, is characterized in that, described every layer of heat radiator is that described fin surface parallels setting with described colour wheel substrate axial end around described colour wheel substrate-side surface one week, overall ringwise fin.
6. color block component as claimed in claim 5, it is characterized in that, described heat radiator every layer is made up of single heat radiator.
7. color block component as claimed in claim 3, it is characterized in that, described heat radiator is arranged on the surface in described colour wheel substrate-side, the angle of inclination producing axial flow when rotating for described colour wheel substrate in one between described heat radiator and described colour wheel substrate axial end is arranged, and described heat radiator is multiple along surperficial one week of described colour wheel substrate-side arranging separately.
8. color block component as claimed in claim 7, it is characterized in that, the axial end of described heat radiator and described colour wheel substrate is 10 ° of pitch angle.
9. color block component as claimed in claim 3, it is characterized in that, described heat radiator is the airfoil structure of uneven distribution, the relatively thick one end of described heat radiator towards described colour wheel substrate axis to an end face, and be positioned at described heat radiator when described colour wheel substrate rotates produce the windward side of axial flow; The relatively thin tapered at one end ground of described fin thickness towards described colour wheel substrate axis to both ends of the surface extend and be positioned at the wake flow end of described axial flow, described heat radiator is multiple along surperficial one week of described colour wheel substrate-side arranging separately.
10. a projection arrangement, is characterized in that, described projection arrangement comprises the color block component described in claim 1-9 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520835071.3U CN205091534U (en) | 2015-10-26 | 2015-10-26 | Colour wheel subassembly and projection arrangement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520835071.3U CN205091534U (en) | 2015-10-26 | 2015-10-26 | Colour wheel subassembly and projection arrangement |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106610557A (en) * | 2015-10-26 | 2017-05-03 | 深圳市光峰光电技术有限公司 | Color wheel assembly and projection device |
| WO2017162001A1 (en) * | 2016-03-21 | 2017-09-28 | 深圳市光峰光电技术有限公司 | Colour wheel device and projector |
| CN107329355A (en) * | 2017-08-07 | 2017-11-07 | 李龙 | Colour wheel heat abstractor and cooling system |
| WO2017193779A1 (en) * | 2016-05-09 | 2017-11-16 | 深圳市光峰光电技术有限公司 | Color wheel, light source system, and projection device |
| CN107783359A (en) * | 2017-11-29 | 2018-03-09 | 济南金永大传媒科技有限公司 | A kind of radiator structure for laser projection fluorescent wheel |
| CN109891273A (en) * | 2016-11-02 | 2019-06-14 | 京瓷株式会社 | The manufacturing method of colour wheel substrate, colour wheel and projector and colour wheel substrate |
| CN110119058A (en) * | 2018-02-07 | 2019-08-13 | 深圳光峰科技股份有限公司 | Wavelength converter |
| CN110895378A (en) * | 2018-09-13 | 2020-03-20 | 松下知识产权经营株式会社 | Fluorescent wheel device, illumination device, and projection type image display device |
| CN115167066A (en) * | 2021-04-07 | 2022-10-11 | 中强光电股份有限公司 | Wavelength conversion element and projection device |
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2015
- 2015-10-26 CN CN201520835071.3U patent/CN205091534U/en active Active
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610557A (en) * | 2015-10-26 | 2017-05-03 | 深圳市光峰光电技术有限公司 | Color wheel assembly and projection device |
| CN106610557B (en) * | 2015-10-26 | 2020-04-28 | 深圳光峰科技股份有限公司 | Color wheel assembly and projection device |
| WO2017162001A1 (en) * | 2016-03-21 | 2017-09-28 | 深圳市光峰光电技术有限公司 | Colour wheel device and projector |
| WO2017193779A1 (en) * | 2016-05-09 | 2017-11-16 | 深圳市光峰光电技术有限公司 | Color wheel, light source system, and projection device |
| CN109891273A (en) * | 2016-11-02 | 2019-06-14 | 京瓷株式会社 | The manufacturing method of colour wheel substrate, colour wheel and projector and colour wheel substrate |
| CN109891273B (en) * | 2016-11-02 | 2022-04-08 | 京瓷株式会社 | Color wheel manufacturing method |
| CN107329355B (en) * | 2017-08-07 | 2020-04-03 | 苏州乐梦光电科技有限公司 | Color wheel heat dissipation device and heat dissipation system |
| CN107329355A (en) * | 2017-08-07 | 2017-11-07 | 李龙 | Colour wheel heat abstractor and cooling system |
| CN107783359A (en) * | 2017-11-29 | 2018-03-09 | 济南金永大传媒科技有限公司 | A kind of radiator structure for laser projection fluorescent wheel |
| CN110119058A (en) * | 2018-02-07 | 2019-08-13 | 深圳光峰科技股份有限公司 | Wavelength converter |
| CN110895378A (en) * | 2018-09-13 | 2020-03-20 | 松下知识产权经营株式会社 | Fluorescent wheel device, illumination device, and projection type image display device |
| CN110895378B (en) * | 2018-09-13 | 2022-06-24 | 松下知识产权经营株式会社 | Fluorescent wheel device, illumination device, and projection type image display device |
| CN115167066A (en) * | 2021-04-07 | 2022-10-11 | 中强光电股份有限公司 | Wavelength conversion element and projection device |
| US11921411B2 (en) | 2021-04-07 | 2024-03-05 | Coretronic Corporation | Wavelength conversion element and projection device |
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Address after: 518055 Shenzhen, Shenzhen, Guangdong 1089 Nanshan District road 1089, Shenzhen integrated circuit design application Industrial Park, 4 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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Address after: 518058 20-22 Floor, United Headquarters Building, No. 63 Xuefu Road, Yuehai Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518055 Shenzhen, Shenzhen, Guangdong 1089 Nanshan District road 1089, Shenzhen integrated circuit design application Industrial Park, 4 floor. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. |