CN106019784A - Heat pipe type heat dissipation module and optical machine module using same - Google Patents
Heat pipe type heat dissipation module and optical machine module using same Download PDFInfo
- Publication number
- CN106019784A CN106019784A CN201610541322.6A CN201610541322A CN106019784A CN 106019784 A CN106019784 A CN 106019784A CN 201610541322 A CN201610541322 A CN 201610541322A CN 106019784 A CN106019784 A CN 106019784A
- Authority
- CN
- China
- Prior art keywords
- heat
- heat pipe
- fixed plate
- fin
- pipe type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 title abstract 6
- 230000003287 optical effect Effects 0.000 title abstract 4
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 230000005855 radiation Effects 0.000 claims description 30
- 238000005476 soldering Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 238000004512 die casting Methods 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 210000000515 tooth Anatomy 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract 7
- 230000005693 optoelectronics Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005474 detonation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention relates to the field of optoelectronics. In order to fix heat conduction pipes and heat dissipation sheets in a radiator, the invention provides a heat pipe type heat dissipation module and an optical machine module using the same. The heat pipe type heat dissipation module comprises the heat conduction pipes, heat absorption components and heat dissipation components. Each heat conduction pipe comprises a heat absorption end and a condensation end. The heat absorption components are arranged on the heat absorption ends. The heat dissipation components are arranged on the condensation ends. Each heat absorption component is in a shovel-shaped/die-casted/aluminum-extruded/copper-extruded one-piece structure which is composed of a fixation plate and a fin component. The fin components in the heat absorption components are inserted in the optical machine module. The fixation plates are located outside the optical machine module. Due to the fact that the fin components and the fixation plates are integrally molded, a fluorescent wheel is not polluted by the heat absorption components.
Description
Technical field
The present invention relates to photoelectric field, particularly relate to heat pipe type heat radiation module and use this heat radiation module
Bare engine module.
Background technology
The work of digital light processing (digital light processing is called for short DLP) projection arrangement
It is the illuminating bundle that light source is issued as principle, through the colour wheel (color wheel) of high speed rotating
It is delivered to digital micro-mirror assembly (digital after filtered light beam is become three kinds of colors of red, green, blue (R, G, B)
Micro-mirror device, DMD) to be converted into image strip, then by projection lens by image
Light beam projecting forms picture on screen.Angle is constantly changed by the micromirror on digital micro-mirror assembly
Degree, and coordinate the colour wheel of high speed rotating, utilize the visual persistence effect of human eye, a pixel (pixel)
Just can show different color change.Additionally, utilize LASER Light Source to send blue light beam, and this
After blue light beam can excite the fluorescent material on fluorescent wheel, produce red or green beam.
In order to avoid extraneous dust accretions affects the projection quality of projection arrangement on colour wheel or causes
Projection arrangement cannot normal operation, in some designs colour wheel is configured at the confined air that housing is constituted
The interior dust extraneous with isolation.But, during the motor operation of colour wheel, produced heat is difficult to from close
Close space to be discharged, and high-energy light beam affects its light by causing the fluorescent material temperature on colour wheel too high
Learn conversion efficiency.It is the most scattered that heat radiation to fluorescent wheel in the past mainly uses fan, chiller etc. to carry out
Heat, its radiating effect is the best, has therefore used the mode of conduction of heat to carry out fluorescent wheel actively at present and has dissipated
Heat, uses the radiator combined by fin and heat pipe, is passed by the heat that fluorescent wheel produces.
Chinese patent CN104516178A discloses a kind of bare engine module, and this bare engine module uses a heat
Cast heat radiation module carries out active heat removal.Heat radiation module is by the first radiating piece, heat-conducting piece and the second heat radiation
Part forms, and in the first radiating piece bare engine module to be arranged in, the heat produced when being operated by fluorescent wheel leads to
Cross heat-conducting piece to transmit in the second radiating piece and distribute.The structure one of the first radiating piece and the second radiating piece
Sample, is all made up of several pieces fin, the fixing employing soldering process between fin and heat-conducting piece.
Though soldering is easy and simple to handle, but there is shortcomings, such as: between fin and heat-conducting piece
Tin-lead mixture is had to isolate so that the excellent heat conductivility of fin can not get due effect；Soldering
Sealing is poor, meet high temperature stannum material easily melts and flows on fin and fluorescent wheel.
Summary of the invention
It is an object of the invention to provide a kind of heat pipe type heat radiation module, heat absorbing member is by fixed plate and fin
Assembly forms, and fin component and fixed plate are formed in one structure, and the fin component in heat absorbing member is inserted in
In bare engine module, fixed plate is positioned at the outside of bare engine module, owing to fins group is integrated into fixed plate
Type structure, therefore heat absorbing member will not pollute fluorescent wheel.
For reaching above-mentioned purpose, technical scheme is as follows:
A kind of heat pipe type heat radiation module, including heat pipe, heat absorbing member and radiating piece, described heat pipe has
Having heat absorbing end and condensation end, described heat absorbing member to be arranged on heat absorbing end, described radiating piece is arranged on condensation end；
Heat absorbing member is made up of fixed plate and fin component, and described fin component is positioned at the side of described fixed plate,
Described fin component and fixed plate are formed in one structure；The heat absorbing end of described heat pipe is flat structure,
The heat absorbing end of described heat pipe is welded on the side of described fixed plate.
Further, the form-relieved type one that described heat absorbing member is made up of with fin component fixed plate becomes
Type structure.
Further, the die-casting die one that described heat absorbing member is made up of with fin component fixed plate becomes
Type structure.
Further, the aluminium extruded type one that described heat absorbing member is made up of with fin component fixed plate becomes
Type structure.
Further, the copper that described heat absorbing member is made up of with fin component fixed plate squeezes type one and becomes
Type structure.
Further, the structure of described radiating piece is identical with the structure of described heat absorbing member, described heat conduction
The condensation end of pipe is flat structure.
Further, described radiating piece is formed by several pieces radiating fin combinations, the condensation of described endothermic tube
Soldering structure is used between end and described fin.
Further, described radiating piece is formed by several pieces radiating fin combinations, and it is right that described fin has
Answering the through hole of described heat pipe quantity, the circumference of described through hole is provided with a circle circumferential flange, described
The inwall of circumferential flange matches with the outer wall of the condensation end of described heat pipe, described circumferential flange interior
Being provided with several riveting tooth on wall, described circumferential flange is cold by described riveting tooth and described heat pipe
Solidifying end riveting close-fitting assembles.
Heat absorbing member is made up of fixed plate and fin component, and fin component and fixed plate are formed in one structure,
Heat in bare engine module is derived by fin component, transfers heat to enter in radiating piece by heat pipe
Row heat radiation, does not use tin solder due to heat absorbing member, and it is by using high temperature to be affected.
A kind of bare engine module, including housing, has annular seal space in described housing, fluorescent wheel is placed in described
In annular seal space, the side of described housing is provided with installing hole, and this installing hole is for installing described heat pipe
Type heat radiation module；Described fin component inserts annular seal space from installing hole, and described fin component fits in
On the bottom surface of fluorescent wheel, described radiating piece is positioned at the outside of described housing；Described fixed plate passes through bolt
Lock and on housing, installing hole is closed.Fin component in heat absorbing member is inserted in bare engine module,
Fixed plate is positioned at the outside of bare engine module, owing to fins group and fixed plate are formed in one structure, therefore
Heat absorbing member will not pollute fluorescent wheel.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will to prior art and
In embodiment description, the required accompanying drawing used is briefly described.
Fig. 1 is the detonation configuration schematic diagram of heat pipe type heat radiation module disclosed in the embodiment of the present invention one；
Fig. 2 is the detonation configuration schematic diagram of heat pipe type heat radiation module disclosed in the embodiment of the present invention three；
Fig. 3 is the structural representation of heat pipe type heat radiation module disclosed in the embodiment of the present invention five；
Fig. 4 is the partial structurtes schematic diagram of fin disclosed in the embodiment of the present invention five；
Fig. 5 is the combinative structure schematic diagram of heat pipe disclosed in the embodiment of the present invention five and fin；
Fig. 6 is the bare engine module not installing heat pipe type heat radiation module disclosed in the embodiment of the present invention six
Structural representation；
Fig. 7 is the combination of heat pipe type heat radiation module disclosed in the embodiment of the present invention six and bare engine module
Structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes.
Embodiment one
A kind of heat pipe type heat radiation module shown in Figure 1, including heat pipe 101, heat absorbing member 102 with dissipate
Warmware 103, heat pipe has heat absorbing end and condensation end, and heat absorbing member is arranged on heat absorbing end, and radiating piece is arranged
At condensation end；Heat absorbing member is identical with the structure of radiating piece, is all by fixed plate 104 and fin component 105
Composition, fin component is positioned at the side of fixed plate, and fin component and fixed plate are that form-relieved type is one-body molded
Structure；The heat absorbing end of heat pipe and condensation end are flat structure, and the heat absorbing end of heat pipe is welded on fixing
The side of plate, the condensation end of heat pipe is welded on the side of fixed plate.
Embodiment two
The present embodiment is unlike embodiment one: heat absorbing member and radiating piece can also is that die-casting die, aluminum
The type of squeezing or copper squeeze type integrated formed structure.Heat absorbing member is carried out according to use environment with the shape of radiating piece
Change, the shape of fin component, size are also according to using environment to be changed.And, heat absorbing member
Although being all integrated formed structure with radiating piece, but, heat absorbing member and radiating piece are not necessarily to the same shape
The integrated formed structure of formula.
Embodiment three
A kind of heat pipe type heat radiation module shown in Figure 2, including heat pipe 301, heat absorbing member 302 with dissipate
Warmware 303, heat pipe has heat absorbing end and condensation end, and heat absorbing member is arranged on heat absorbing end, and radiating piece is arranged
At condensation end；Heat absorbing member is made up of fixed plate 304 and fin component 305, and fin component is positioned at fixing
The side of plate, fin component and fixed plate are form-relieved type integrated formed structure；The heat absorbing end of heat pipe is
Flat structure, the heat absorbing end of heat pipe is welded on the side of fixed plate.Radiating piece is by several pieces fin 306
Combine, between condensation end and the fin of endothermic tube, use soldering structure.
Embodiment four
The present embodiment is unlike embodiment three: heat absorbing member can also is that die-casting die, aluminium extruded type or
Copper squeezes type integrated formed structure.The shape of heat absorbing member is changed according to use environment, fin component
Shape, size are also according to using environment to be changed.
Embodiment five
A kind of heat pipe type heat radiation module shown in Figure 3, including heat pipe 501, heat absorbing member 502 with dissipate
Warmware 503, heat pipe has heat absorbing end and condensation end, and heat absorbing member is arranged on heat absorbing end, and radiating piece is arranged
At condensation end；Heat absorbing member is made up of fixed plate 504 and fin component 505, and fin component is positioned at fixing
The side of plate, fin component and fixed plate are form-relieved type integrated formed structure；The heat absorbing end of heat pipe is
Flat structure, the heat absorbing end of heat pipe is welded on the side of fixed plate.Seeing Fig. 4, radiating piece is by several pieces
Fin 506 combines, and fin has the through hole 507 of corresponding heat pipe quantity, the circumference of through hole
Side is provided with a circle circumferential flange 508, and the outer wall of the inwall of circumferential flange and the condensation end of heat pipe is mutually
Joining, the inwall of circumferential flange is provided with several riveting tooth 509 (seeing Fig. 5), circumferential flange passes through
Riveting tooth assembles with the condensation end riveting close-fitting of heat pipe.Use riveting tight between radiating piece and heat pipe
Preparation Cheng Zucheng, between heat pipe with fin between contact, without any intermediate medium, radiating piece
Heat dispersion is more preferably.
Integrated embodiment one to five can draw, the one that heat absorbing member is made up of fixed plate and fin component
Molding structure, the heat in bare engine module is derived, is transferred heat to by heat pipe by fin component
Dispelling the heat in radiating piece, do not use tin solder due to heat absorbing member, it is by using high temperature to be affected.
Embodiment six
See a kind of bare engine module shown in Fig. 5 and 6, including housing 601, there is in housing annular seal space,
Fluorescent wheel is placed in annular seal space, and the side of housing is provided with installing hole 603, and this installing hole is used for installing reality
Execute any one heat pipe type heat radiation module in example one to five；Fin component inserts annular seal space from installing hole,
Fin component fits on the bottom surface of fluorescent wheel 602, and radiating piece 606 is positioned at the outside of housing；Fixed plate
605 are attached on housing close installing hole by bolt lock.Fin component in heat absorbing member is inserted in light
In machine module, fixed plate is positioned at the outside of bare engine module, and the heat in bare engine module is led by fin component
Go out, transfer heat to radiating piece dispels the heat by heat pipe 607. due to fins group and fixed plate
Be formed in one structure, and therefore heat absorbing member will not pollute fluorescent wheel.
Multiple amendment to these embodiments will be apparent for those skilled in the art
, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to these enforcements shown in this article
Example, and it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. a heat pipe type heat radiation module, it is characterised in that include heat pipe, heat absorbing member and radiating piece,
Described heat pipe has heat absorbing end and condensation end, and described heat absorbing member is arranged on heat absorbing end, described radiating piece
It is arranged on condensation end；Heat absorbing member is made up of fixed plate and fin component, and described fin component is positioned at described
The side of fixed plate, described fin component and fixed plate are formed in one structure；The suction of described heat pipe
Hot junction is flat structure, and the heat absorbing end of described heat pipe is welded on the side of described fixed plate.
A kind of heat pipe type heat radiation module the most according to claim 1, it is characterised in that described suction
The form-relieved type integrated formed structure that warmware is made up of fixed plate and fin component.
A kind of heat pipe type heat radiation module the most according to claim 1, it is characterised in that described suction
The die-casting die integrated formed structure that warmware is made up of fixed plate and fin component.
A kind of heat pipe type heat radiation module the most according to claim 1, it is characterised in that described suction
The aluminium extruded type integrated formed structure that warmware is made up of fixed plate and fin component.
A kind of heat pipe type heat radiation module the most according to claim 1, it is characterised in that described suction
The copper that warmware is made up of fixed plate and fin component squeezes type integrated formed structure.
6. according to a kind of heat pipe type heat radiation module described in any one in claim 1-4, its feature
Being, the structure of described radiating piece is identical with the structure of described heat absorbing member, the condensation end of described heat pipe
For flat structure.
7. according to a kind of heat pipe type heat radiation module described in any one in claim 1-4, its feature
It is, it is characterised in that described radiating piece is formed by several pieces radiating fin combinations, described endothermic tube cold
Soldering structure is used between solidifying end and described fin.
8. according to a kind of heat pipe type heat radiation module described in any one in claim 1-4, its feature
Being, described radiating piece is formed by several pieces radiating fin combinations, and described fin has corresponding described heat conduction
The through hole of pipe quantity, the circumference of described through hole is provided with a circle circumferential flange, described circumferential flange
Inwall matches with the outer wall of the condensation end of described heat pipe, and the inwall of described circumferential flange is provided with
Several riveting tooths, described circumferential flange is tight with the condensation end riveting of described heat pipe by described riveting tooth
Combo fills.
9. a bare engine module, it is characterised in that include housing, in described housing, there is annular seal space,
Fluorescent wheel is placed in described annular seal space, and the side of described housing is provided with installing hole, and this installing hole is used for
Heat pipe type heat radiation module described in any one in claim 2-5 is installed；Described fin component is from installation
Hole is inserted in annular seal space, and described fin component fits on the bottom surface of fluorescent wheel, and described radiating piece is positioned at
The outside of described housing；Described fixed plate is attached on housing close installing hole by bolt lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541322.6A CN106019784A (en) | 2016-07-11 | 2016-07-11 | Heat pipe type heat dissipation module and optical machine module using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541322.6A CN106019784A (en) | 2016-07-11 | 2016-07-11 | Heat pipe type heat dissipation module and optical machine module using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106019784A true CN106019784A (en) | 2016-10-12 |
Family
ID=57110013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610541322.6A Pending CN106019784A (en) | 2016-07-11 | 2016-07-11 | Heat pipe type heat dissipation module and optical machine module using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106019784A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681192A (en) * | 2018-03-13 | 2018-10-19 | 苏州科勒迪电子有限公司 | It can be applied to the liquid-cooling type radiator of dmd chip heat dissipation |
| CN109884844A (en) * | 2019-03-04 | 2019-06-14 | 深圳彩翼光电科技有限公司 | A kind of fluorescent wheel radiator |
| CN110297383A (en) * | 2019-07-12 | 2019-10-01 | 四川长虹电器股份有限公司 | The iridescent wheel support of laser projection |
| WO2020253167A1 (en) * | 2019-06-20 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2020252905A1 (en) * | 2019-06-19 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection apparatus |
| US11079665B2 (en) | 2019-03-20 | 2021-08-03 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| US11237468B2 (en) | 2019-06-20 | 2022-02-01 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
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| CN101282630A (en) * | 2007-04-04 | 2008-10-08 | 台达电子工业股份有限公司 | Heat radiator, heat radiation base and manufacturing method thereof |
| CN101776248A (en) * | 2009-01-09 | 2010-07-14 | 台达电子工业股份有限公司 | Lamp and lighting device thereof |
| CN104516178A (en) * | 2013-09-29 | 2015-04-15 | 中强光电股份有限公司 | Optomechanical module |
| CN205787558U (en) * | 2016-07-11 | 2016-12-07 | 苏州科勒迪电子有限公司 | Heat pipe type heat radiation module and use this heat radiation module bare engine module |
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2016
- 2016-07-11 CN CN201610541322.6A patent/CN106019784A/en active Pending
Patent Citations (4)
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| CN101282630A (en) * | 2007-04-04 | 2008-10-08 | 台达电子工业股份有限公司 | Heat radiator, heat radiation base and manufacturing method thereof |
| CN101776248A (en) * | 2009-01-09 | 2010-07-14 | 台达电子工业股份有限公司 | Lamp and lighting device thereof |
| CN104516178A (en) * | 2013-09-29 | 2015-04-15 | 中强光电股份有限公司 | Optomechanical module |
| CN205787558U (en) * | 2016-07-11 | 2016-12-07 | 苏州科勒迪电子有限公司 | Heat pipe type heat radiation module and use this heat radiation module bare engine module |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108681192A (en) * | 2018-03-13 | 2018-10-19 | 苏州科勒迪电子有限公司 | It can be applied to the liquid-cooling type radiator of dmd chip heat dissipation |
| CN109884844A (en) * | 2019-03-04 | 2019-06-14 | 深圳彩翼光电科技有限公司 | A kind of fluorescent wheel radiator |
| CN109884844B (en) * | 2019-03-04 | 2023-12-26 | 深圳彩翼光电科技有限公司 | Fluorescent wheel heat abstractor |
| US11079665B2 (en) | 2019-03-20 | 2021-08-03 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| WO2020252905A1 (en) * | 2019-06-19 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection apparatus |
| WO2020253167A1 (en) * | 2019-06-20 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection device |
| US11237468B2 (en) | 2019-06-20 | 2022-02-01 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| US11454871B2 (en) | 2019-06-20 | 2022-09-27 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| CN110297383A (en) * | 2019-07-12 | 2019-10-01 | 四川长虹电器股份有限公司 | The iridescent wheel support of laser projection |
| CN110297383B (en) * | 2019-07-12 | 2021-07-30 | 四川长虹电器股份有限公司 | Fluorescent color wheel support of laser projector |
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| PB01 | Publication | ||
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Application publication date: 20161012 |