CN106061220A - Electronic equipment circuit system architecture and laser theater equipment - Google Patents
Electronic equipment circuit system architecture and laser theater equipment Download PDFInfo
- Publication number
- CN106061220A CN106061220A CN201610446214.0A CN201610446214A CN106061220A CN 106061220 A CN106061220 A CN 106061220A CN 201610446214 A CN201610446214 A CN 201610446214A CN 106061220 A CN106061220 A CN 106061220A
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- China
- Prior art keywords
- plate
- circuit board
- base plate
- system architecture
- electronic device
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Classifications
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- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides an electronic equipment circuit system architecture and laser theater equipment. The electronic equipment circuit system architecture comprises a ground plane plate and at least two circuit boards installed in an electronic equipment shell, the ground plane plate is provided with a baseboard and side boards perpendicular to the baseboard, at least two circuit boards are respectively installed on the baseboard and the side boards so as to be grounded. In the electronic equipment circuit system architecture provided by the embodiment of the invention, a complete and unified large-area ground plane plate is constructed through the baseboard and the side boards so as to provide a complete ground loop for the return of an electric signal and prevent the electronic equipment from being affected by a serious EMI problem.
Description
Technical field
The present invention relates to electronics field, particularly relate to a kind of electronic device circuitry system architecture and laser movie theatre sets
Standby.
Background technology
Along with the development of modernized society, the function of home electronics is more and more abundanter；Meanwhile, for the ease of install and
Using, the volume of electronic equipment is more and more less.Such as, the laser movie theatre TV received much concern at present, has both movie theatre, Intelligent electric
Depending on and the function such as home audio, welcome by domestic and business market.
Laser movie theatre tv product uses the configuration of scialyscope, but has the function of intelligent television simultaneously,
Its inside structure, in addition to the modules such as light engine, radiator, fan, also includes power panel, TV plate, display panel, wireless guarantor
Very (Wireless Fidelity, is called for short: WIFI) & bluetooth plate, the Karaoke numerous circuit block such as plate, terminal board, internal junction
Structure layout is complicated.Owing to the overall dimensions of laser movie theatre tv product is less, arrangement and the ground connection of various circuit blocks are more tired
Difficult.
Fig. 1 is the schematic diagram of the Circuits System framework of prior art laser movie theatre tv product.Refer to Fig. 1, existing skill
In art, the multiple circuit boards 100 within laser movie theatre tv product generally use the mode of multiple-level stack to arrange, the most multiple circuit
Plate 100 is placed along the direction parallel interval of perpendicular circuit board, the support of each circuit board 100 described circuit board parallel with
110 connect, and are connected by screw 120, it is achieved circuit board ground between each support 110.
But, in prior art, the support being connected with each circuit board is exactly the ground level of circuit board, and each two interval sets
By the way of screw pole connects, form earth-return between the ground level put, be point cantact between ground and ground, cause earth-return to hinder
Anti-big, the signal of telecommunication of circuit board, easily by space radiation, produces more serious electromagnetic interference to other electronic equipment
(Electromagnetic Interference is called for short: EMI).
Summary of the invention
The embodiment of the present invention provides a kind of electronic device circuitry system architecture and laser cinema equipment, is used for solving existing skill
In art, to cause greatly electronic equipment to produce serious for earth-return impedance between electronic equipment and the circuit board within laser cinema equipment
The problem of electromagnetic interference.
First aspect, the embodiment of the present invention provides a kind of electronic device circuitry system architecture, including: it is installed on electronic equipment
Horizon panel in housing and at least two circuit board, described Horizon panel has base plate and the side plate of vertical described base plate, institute
State at least two circuit board to be respectively arranged on described base plate and described side plate, by described at least two circuit board ground.
Alternatively, described side plate has the first installing plate and the second installing plate, and described first installing plate is parallel is fixed on institute
State on the described base plate of Horizon panel, described second installing plate is installed at least one described circuit board.
Alternatively, it is filled with conducting medium between the described base plate of described first installing plate and described Horizon panel.
Alternatively, the one side that the base plate of described Horizon panel is opposing with described side plate is provided with at least one metallic channel, described
The holding wire of at least two circuit board is contained in described metallic channel.
Alternatively, the described base plate of described Horizon panel offers wire hole, the signal of described at least two circuit board
Line is contained in described metallic channel through described wire hole.
Alternatively, the described base plate of described Horizon panel is provided with at least one holding firmware, and described holding firmware is fastened in institute
State metallic channel both sides, described holding wire is fixed in described metallic channel.
Alternatively, the described side plate of described Horizon panel is at least two, and described at least two side plate is individually fixed in institute
Stating the two opposite sides edge of the described base plate of Horizon panel, the described circuit board that described base plate is installed is positioned at described at least two phase
Between the side plate arranged.
Alternatively, the two sides of one of them described side plate of described Horizon panel fix a circuit board respectively, described
Circuit board is parallel with described side plate.
Alternatively, the described circuit board described base plate of described Horizon panel installed is power panel.
Second aspect, the embodiment of the present invention also provides for a kind of laser cinema equipment, including: housing, and it is installed on described shell
Internal Circuits System framework, described Circuits System framework includes Horizon panel and at least two electricity being installed in described housing
Road plate, described Horizon panel has base plate and the side plate of vertical described base plate, and described at least two circuit board is respectively arranged in institute
State on base plate and described side plate, by described at least two circuit board ground
The electronic device circuitry system architecture of present invention offer and laser cinema equipment, constitute one by base plate and side plate
Complete unified surface plate in large area so that the electron plate being fixed on described base plate and side plate can be directly connected to Horizon
Face, reduces the impedance of earth-return, it is possible to the backflow for the signal of telecommunication provides complete earth-return, meanwhile, by by holding wire edge
Land surface plate bottom arrangement, the earth-return for the signal of telecommunication provides shortest path, and large-area Horizon panel itself is to respectively
Plant signal lead and also play good shielding action, thus prevent electronic equipment from producing serious EMI problem.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing used required in having technology to describe does one and introduces simply, it should be apparent that, the accompanying drawing in describing below is this
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the Circuits System framework of prior art laser movie theatre tv product；
Fig. 2 is the structural representation of embodiment of the present invention electronic device circuitry system architecture；
Fig. 3 is the structural representation of the Horizon panel in embodiment of the present invention electronic device circuitry system architecture；
Fig. 4 is Horizon panel and the assembling schematic diagram of circuit board in embodiment of the present invention electronic device circuitry system architecture；
Fig. 5 is the structural representation of Horizon another angle of panel in embodiment of the present invention electronic device circuitry system architecture
Figure；
Fig. 6 is the structural representation of embodiment of the present invention laser cinema equipment.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
The embodiment of the present invention provides a kind of electronic device circuitry system architecture, for multi-functional and small volume for having
Each circuit board in electronic equipment provides unified continuous print ground level, for the ground that the backflow offer of the signal of telecommunication on circuit board is complete
Loop, makes the signal of telecommunication can be back to ground with relatively low impedance loop, reduces the coupling to space, thus reduces electromagnetic radiation and do
Disturb (Electromagnetic Interference, abbreviation: problem EMI).
Embodiment one
Fig. 2 is the structural representation of embodiment of the present invention electronic device circuitry system architecture.Fig. 3 is embodiment of the present invention electricity
The structural representation of the Horizon panel in subset Circuits System framework.Fig. 4 is embodiment of the present invention electronic device circuitry system
Horizon panel and the assembling schematic diagram of circuit board in framework.
Refer to Fig. 2 to Fig. 4, the electronic device circuitry system architecture that the embodiment of the present invention provides, including: it is installed on electronics
Horizon panel 20 in apparatus casing 10 and at least two circuit board 30, described Horizon panel 20 has base plate 21 and vertically described
The side plate 22 of base plate 21, described at least two circuit board 30 is respectively arranged on described base plate 21 and described side plate 22, by described
At least two circuit board 30 ground connection.
Wherein, the side plate 22 of described Horizon panel 20 can be formed in one with described base plate 21, it is also possible to by connecting
Part, such as screw, is fixed together with described base plate 21.Described side plate 22 can be arranged at the two opposite sides edge of described base plate 21,
It is collectively forming U-shaped Horizon panel 20 with described base plate 21.Alternatively, the ground connection good in order to realize circuit board, described Horizon
Described base plate 21 and the described side plate 22 of panel 20 are conductive metal sheet.It is appreciated that described Horizon panel 20 can also be
Other conductive material.
Described at least two circuit board 30 can be fixed on described base plate 21 or the institute of described Horizon panel 20 by screw
State on side plate 22, thus described at least two circuit board 30 is connected with described Horizon panel 20 so that on described circuit board 30
The signal of telecommunication be back to ground by described Horizon panel 20.
The electronic device circuitry system architecture that the embodiment of the present invention provides, common by described base plate 21 and described side plate 22
Form a complete continuous print Horizon panel 20, form unified plane in large area, reduce the impedance of earth-return, meanwhile,
Described circuit board 30 is directly fixed on described Horizon panel 20, decreases the signal of telecommunication to the loop between ground level, Ke Yiyou
Effect ground suppresses the EMI problem of described electronic equipment.
On the basis of above-described embodiment, in order to simplify the production technology of described ground level, and increase in electronic equipment
The Installation Flexibility of each circuit board, the described side plate 22 of described Horizon panel 20 can be independent two with described base plate 21
Point, linked together by fixture.
Specifically, described side plate 22 has the first installing plate 221 and the second installing plate 223, and described first installing plate 221 is flat
Row is fixed on the described base plate 21 of described Horizon panel 20, and described second installing plate 223 installs at least one described circuit
Plate 30.Described first installing plate 221 and described second installing plate 223 can be formed in one, and constitute the described side plate 22 of L-type.
Owing to the described base plate 21 of described first installing plate 221 with described Horizon panel 20 is plane contact, can be with described base plate 21
Form a continuous print ground level, reduce the impedance loop of ground level, provide good earth-return for the signal of telecommunication, it is suppressed that
The EMI problem of circuit board.
Further, in order to ensure that described first installing plate 221 is in close contact with the base plate 21 of described Horizon panel 20, shape
Become unified continuous print ground level, for the earth-return that the backflow offer of the signal of telecommunication is complete, described first installing plate 221 and described Horizon
It is filled with conducting medium between the described base plate 21 of panel 20.
Fig. 5 is the structural representation of Horizon another angle of panel in embodiment of the present invention electronic device circuitry system architecture
Figure.
Please refer to Fig. 5, on the basis of above-described embodiment, in order to the holding wire making each circuit board of electronic equipment is neat
Arrangement, it is ensured that the concordance of EMI index, the base plate 21 of described Horizon panel 20 one side opposing with described side plate 22 is provided with at least
One metallic channel 23, the holding wire 31 of described at least two circuit board 30 is contained in described metallic channel 23.By at the described end
Described metallic channel 23 is set on plate 21 so that the holding wire 31 of all circuit boards 30 can be according to fixing route and other circuit
Plate connects, and in preventing electronic equipment, holding wire connects chaotic phenomenon, and enables holding wire to be close to ground level arrangement, for
The earth-return of the signal of telecommunication provides shortest path, effectively shields holding wire by ground level simultaneously, further presses down
Make the EMI problem of electronic equipment.
Specifically, can be according to the number of the connecting line quantity of described circuit board 30, described in described Horizon panel 20
Reserving the metallic channel space that enough can accommodate respective numbers holding wire bottom base plate 21, the holding wire between circuit board is permissible
Cabling in described metallic channel 23.During production, can in advance wire harness be managed in described metallic channel 23, i.e. by " built-in line "
Mode reduce production complexity.Meanwhile, all of circuit board signal line cabling below ground level, it is to avoid legacy system sets
In meter in the machine of electronic equipment the mode of space " every sky " cabling, it is achieved that the easy operation of production technology and system are attractive in appearance,
The concordance making cabling can obtain the unification of higher degree, thus increases the concordance of EMI index.
On the basis of above-described embodiment, in order to make holding wire on the circuit board described end not to described Horizon panel 20
The other electron component installed on plate 21 interferes, and the described base plate 21 of described Horizon panel 20 offers wire hole 24,
The holding wire 31 of described at least two circuit board 30 is contained in described metallic channel 23 through described wire hole 24.So, all
Holding wire 31 be connected on each circuit board 30 described base plate 21 from the lower section of described base plate 21, it is not necessary to take described base plate
Space above in the of 21, it is to avoid the electronic component that described base plate 21 is installed above is produced interference.
On the basis of above-described embodiment, in order to ensure that described holding wire 31 can firmly be contained in described metallic channel 23
In, the described base plate 21 of described Horizon panel 20 is provided with at least one holding firmware 25, and described holding firmware 25 is fastened in described wire
Groove 23 both sides, are fixed on described holding wire 31 in described metallic channel 23.Alternatively it is also possible to directly by adhesive tape by described letter
Number line 31 is fixed in the described metallic channel 23 of described base plate 21.
On the basis of above-described embodiment, in order to make full use of the space in casting of electronic device 10, reduce electronic equipment
Volume, the described side plate 22 of described Horizon panel 20 is at least two, and described at least two side plate 22 is individually fixed in described
The two opposite sides edge of the described base plate 21 of Horizon panel 20, on described base plate 21 install described circuit board 30 be positioned at described at least
Between two side plates being oppositely arranged 22.Specifically, the described circuit board described base plate 21 of described Horizon panel 20 installed
30 is power panel.Alternatively, the described circuit board described base plate 21 of described Horizon panel 20 and described side plate 22 installed is also
Can be any one in power panel, TV plate, display panel, Karaoke plate or Wireless Fidelity bluetooth plate.
On the basis of above-described embodiment, in order to further with the space in described casting of electronic device 10, describedly
The two sides of one of them described side plate 22 of surface plate 20 fix a circuit board 30, described circuit board 30 and described side respectively
Plate 22 is parallel.By being respectively mounted circuit board 30 in the two sides of one block of side plate 22, two pieces of circuit boards 30 can be made to be simultaneously connected to
Ground, saves the space of described electronic equipment internal.
The electronic device circuitry system architecture that the embodiment of the present invention provides, constitutes a complete unification by base plate and side plate
Surface plate in large area so that the electron plate being fixed on described base plate and side plate can be directly connected to ground level, reduce
The impedance of earth-return, it is possible to provide complete earth-return for the backflow of the signal of telecommunication, meanwhile, by by holding wire along ground level
The bottom arrangement of plate, the earth-return for the signal of telecommunication provides shortest path, and various signals are walked by large-area Horizon panel itself
Line also plays good shielding action, thus inhibits the EMI phenomenon of holding wire.
Specifically, the electronic equipment in above-described embodiment can be laser cinema equipment, such as laser movie theatre tv product.
Embodiment two
Fig. 6 is the structural representation of embodiment of the present invention laser cinema equipment.
Refer to Fig. 6, the laser cinema equipment that the embodiment of the present invention provides, including: housing 610, the end of described housing 610
Being equiped with Horizon panel on Zuo, described Horizon panel has base plate 621 and the side plate 622 of vertical described base plate 621.Described base plate
Light source 630, ray machine 631, fan 632, radiator 633, display panel 634, TV plate 635, audio plate 636, nothing are installed on 621
Line fidelity & bluetooth plate 637 and power panel 638 etc..Wherein, described display panel 634, TV plate 635, audio plate 636, wireless guarantor
Multiple circuit boards such as true & bluetooth plate 637 are individually fixed on the multiple described side plate 622 of vertical described base plate 621, by described electricity
Road plate earthing.So that the plurality of circuit board is arranged in the both sides of described housing 610, it is not necessary to take enclosure interior space,
It is easy to install, in enclosure interior, the electronic component that other volume is bigger so that the internal structure of laser movie theatre TV is the compactest,
Reduce the overall volume of laser movie theatre tv product.Simultaneously as the plurality of side plate 622 is connected as one with described base plate 621
Individual entirety, forms the surface plate in large area that a continuous print is completely unified so that be fixed on described base plate 621 and side plate 622
On circuit board can be directly connected to ground level, reduce the impedance of earth-return, it is possible to the backflow for the signal of telecommunication provides complete
Earth-return, thus suppression circuit plate produce EMI phenomenon.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. an electronic device circuitry system architecture, it is characterised in that including: the Horizon panel being installed in casting of electronic device
And at least two circuit board, described Horizon panel has base plate and the side plate of vertical described base plate, described at least two circuit board
It is respectively arranged on described base plate and described side plate, by described at least two circuit board ground.
Electronic device circuitry system architecture the most according to claim 1, it is characterised in that described side plate has the first installation
Plate and the second installing plate, on the parallel described base plate being fixed on described Horizon panel of described first installing plate, described second installs
At least one described circuit board is installed on plate.
Electronic device circuitry system architecture the most according to claim 2, it is characterised in that described first installing plate is with described
It is filled with conducting medium between the described base plate of Horizon panel.
4. according to the electronic device circuitry system architecture described in any one of claim 1-3, it is characterised in that described Horizon panel
The base plate one side opposing with described side plate be provided with at least one metallic channel, the holding wire of described at least two circuit board is contained in
In described metallic channel.
Electronic device circuitry system architecture the most according to claim 4, it is characterised in that the described end of described Horizon panel
Offering wire hole on plate, the holding wire of described at least two circuit board is contained in described metallic channel through described wire hole.
Electronic device circuitry system architecture the most according to claim 5, it is characterised in that the described end of described Horizon panel
Plate is provided with at least one holding firmware, and described holding firmware is fastened in described metallic channel both sides, is fixed on by described holding wire described
In metallic channel.
7. according to the electronic device circuitry system architecture described in any one of claim 1-3, it is characterised in that described Horizon panel
Described side plate be at least two, it is two relative that described at least two side plate is individually fixed in the described base plate of described Horizon panel
Lateral margin, the described circuit board that described base plate is installed is between the side plate that described at least two is oppositely arranged.
Electronic device circuitry system architecture the most according to claim 7, it is characterised in that wherein the one of described Horizon panel
The two sides of individual described side plate fix a circuit board respectively, and described circuit board is parallel with described side plate.
Electronic device circuitry system architecture the most according to claim 7, it is characterised in that the described end of described Horizon panel
The described circuit board installed on plate is power panel.
10. a laser cinema equipment, it is characterised in that including: housing, and the Circuits System frame being installed in described housing
Structure, described Circuits System framework includes Horizon panel and at least two circuit board being installed in described housing, described ground level
Plate has base plate and the side plate of vertical described base plate, and described at least two circuit board is respectively arranged in described base plate and described side plate
On, by described at least two circuit board ground.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446214.0A CN106061220B (en) | 2016-06-20 | 2016-06-20 | Electronic device circuitry system architecture and laser cinema equipment |
| CN201910469021.0A CN110213953A (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
| CN201910335531.9A CN110113923B (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446214.0A CN106061220B (en) | 2016-06-20 | 2016-06-20 | Electronic device circuitry system architecture and laser cinema equipment |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910469021.0A Division CN110213953A (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
| CN201910335531.9A Division CN110113923B (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106061220A true CN106061220A (en) | 2016-10-26 |
| CN106061220B CN106061220B (en) | 2019-07-02 |
Family
ID=57169193
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610446214.0A Active CN106061220B (en) | 2016-06-20 | 2016-06-20 | Electronic device circuitry system architecture and laser cinema equipment |
| CN201910335531.9A Active CN110113923B (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
| CN201910469021.0A Withdrawn CN110213953A (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910335531.9A Active CN110113923B (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
| CN201910469021.0A Withdrawn CN110213953A (en) | 2016-06-20 | 2016-06-20 | Laser cinema equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106061220B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518830A (en) * | 2018-05-30 | 2018-09-11 | 珠海格力电器股份有限公司 | Electrical apparatus box and dual system air conditioner |
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| JP3453029B2 (en) * | 1996-08-09 | 2003-10-06 | アルプス電気株式会社 | Ground terminal structure |
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- 2016-06-20 CN CN201610446214.0A patent/CN106061220B/en active Active
- 2016-06-20 CN CN201910335531.9A patent/CN110113923B/en active Active
- 2016-06-20 CN CN201910469021.0A patent/CN110213953A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1051262A (en) * | 1989-10-27 | 1991-05-08 | 国际商业机器公司 | The employed grounded parts of installing with guide rail in the computing machine of device |
| JP2003309389A (en) * | 2002-04-17 | 2003-10-31 | Canon Inc | Printed board and electronic apparatus mounted with the printed board |
| US20040018758A1 (en) * | 2002-07-23 | 2004-01-29 | Fujitsu Limited | Information processing equipment |
| CN201601911U (en) * | 2009-12-21 | 2010-10-06 | 泰金宝电通股份有限公司 | Housing with anti-electromagnetic interference structure |
| US20120206898A1 (en) * | 2011-02-14 | 2012-08-16 | Hon Hai Precision Industry Co., Ltd. | Electronic device with adhesive-less fixed flat cable |
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| CN104378965A (en) * | 2014-12-10 | 2015-02-25 | 安徽巨一自动化装备有限公司 | Motor controller plastic connector electromagnetic compatibility shielding device for motor controller plastic connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518830A (en) * | 2018-05-30 | 2018-09-11 | 珠海格力电器股份有限公司 | Electrical apparatus box and dual system air conditioner |
| CN108518830B (en) * | 2018-05-30 | 2024-08-09 | 珠海格力电器股份有限公司 | Electrical box and dual-system air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110113923A (en) | 2019-08-09 |
| CN110213953A (en) | 2019-09-06 |
| CN110113923B (en) | 2020-10-30 |
| CN106061220B (en) | 2019-07-02 |
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Effective date of registration: 20200818 Address after: 266555 Qian WAN port road, Huangdao District, Qingdao, Shandong Province, No. 218 Patentee after: Qingdao Hisense Laser Display Co.,Ltd. Address before: Donghai West Road 266071 Shandong city of Qingdao province No. 17 Patentee before: HISENSE Co.,Ltd. |