CN108639352A - Show scene lighting system - Google Patents
Show scene lighting system Download PDFInfo
- Publication number
- CN108639352A CN108639352A CN201810801476.3A CN201810801476A CN108639352A CN 108639352 A CN108639352 A CN 108639352A CN 201810801476 A CN201810801476 A CN 201810801476A CN 108639352 A CN108639352 A CN 108639352A
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- China
- Prior art keywords
- screen
- display
- lighting system
- scene lighting
- control box
- 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
- 238000005286 illumination Methods 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000011218 segmentation Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 claims description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 239000004020 conductor Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 206010016256 fatigue Diseases 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D2011/0038—Illumination systems for cabins as a whole
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
This application provides a kind of display scene lighting systems.Show that scene lighting system includes screen assembly and display control box.Screen assembly is arranged on ceiling and includes transparent screen, OLED screen curtain, buffer layer, flexible wire row and screen frame.Transparent screen is covered in the preceding outer surface of OLED screen curtain.Buffer layer is laid on the rear outer surface of OLED screen curtain.Flexible wire row is connected to OLED screen curtain.OLED screen curtain, transparent screen and buffer layer are mounted in screen frame.Display control box is electrically connected with the Cabin Management System of aircraft and screen assembly simultaneously, to control the illumination and display of screen assembly.The display scene lighting system of the application can bring better experience to passenger, and be easy to safeguard.
Description
Technical field
The present invention relates to be related to showing scene lighting system.
Background technology
How to be that passenger's construction is comfortable, easily journey is experienced aboard with work and the accelerating rhythm of life
The Brand characteristic for putting forth effort to make as airline.Traditional aircraft is limited by the limitation of technology, often only dull illumination
System, part service aircraft then gradually in application scenario lighting system, i.e., in different modes with different photochromic light sources come
Realize scene lighting.
Tetra- color LED scene lightings lamps of WRGB that existing aircraft passenger compartment key lighting uses realize scene lighting, are only capable of realizing
The light color of main cabin ceiling and side wall changes, photochromic tired to alleviate passenger by controlling, however the technology is still demonstrate,proved
It is bright to have limitation, it is difficult to which that real simulation external environment changes, and due to the limitation of technology itself, it is necessary to use radiating module, increase
Add weight is unfavorable for system light-weight design.
Accordingly, it would be desirable to be able to bring the lighting system more preferably experienced.
Invention content
The object of the present invention is to provide a kind of display scene lighting systems, and better experience can be brought to passenger, and
And it is easy to safeguard.
To achieve the above object, the present invention provides a kind of display scene lighting system, the display scene lighting systems
Including：Screen assembly, the screen assembly are arranged on ceiling and include that transparent screen, OLED screen curtain, buffer layer, flexibility are led
Line is arranged and screen frame, wherein the transparent screen is covered in the preceding outer surface of the OLED screen curtain, the buffer layer is laid with
On the rear outer surface of the OLED screen curtain, flexible wire row is connected to the OLED screen curtain, the OLED screen curtain, described
Transparent screen and the buffer layer are mounted in the screen frame；And display control box, the display control box simultaneously with
Management system and screen assembly electrical connection, to control the illumination and display of the screen assembly.
In one embodiment, the screen frame is equipped with mounting structure, and the mounting structure is used for the screen assembly
On installation to ceiling.
In one embodiment, the display scene lighting system includes multiple screen assemblies, the multiple screen assembly difference
It is connected to management system via the display control box.
In one embodiment, the display scene lighting system includes multiple display control boxes, the multiple display control box
It connects one to one respectively with the multiple screen assembly, and each display control box is by Ethernet and management
System communication connection.
In one embodiment, each display control box has Ethernet card and power management module, wherein each described
Display control box connect with the management system via the Ethernet card and via the power management module and RPDU bis- times
Power distribution unit connects.
In one embodiment, each display control box, which has, numbers and further comprises that storage unit, video storage are read
Control circuit, video decoding driving circuit, MCU central processing units are taken, wherein being deposited data by video storage reading circuit
The storage unit is stored up, the display scene lighting system detects all display control boxes and its number on startup,
The MCU central processing units control the video decoding driving circuit and read video according to the number of different display control boxes
Different segmentations, output data on OLED screen curtain by interconnecting module, to which every piece of OLED screen curtain shows the difference of video
Segmentation.
In one embodiment, the display control box further comprises interconnecting module, the flexible wire row and the switching
Module connects, and the interconnecting module is connect with the display control box with described in transferring to display data from display control box
OLED screen curtain.
In one embodiment, the interconnecting module is PCB mother matrixs, and the PCB motherboards have board slot and Keyseat for wiring displacement,
Described in board slot for connecting the display control box and the Keyseat for wiring displacement for connecting the soft of the screen assembly
Property line conductor row.
In one embodiment, the mounting structure is several the spaced cards being set in the screen frame
Button.
In one embodiment, the screen assembly is further provided with damping fastening sandwich rubber, the damping fastening sandwich rubber paving
In at least part of the upper surface of the buffer layer.
In one embodiment, damping fastening sandwich rubber includes spaced multiple damping fastening sponge adhesive tape and more
A damping fastens sponge blob of viscose.
In one embodiment, the storage unit is large capacity ROM.
In one embodiment, the display scene lighting is used for aircraft passenger compartment, and the management system is aircraft passenger compartment management
System.
The display scene lighting system of the application has the following advantages：
1) it has used display technology to complete scene lighting, the mode of new prompt message is provided for passenger；
2) it uses PCB motherboards to plug mounting means, avoids fragile display screen winding displacement exposed outside, cause to repair unexpected damage
It is bad, control box is detached with screen also and is replaced as independent linear replaceable units (LRU)；
3) bonding fastening type structure can independently be replaced screen as a LRU；
4) design of rubber sheet gasket and all kinds of sponge damping filled layers ensures that the fragile equipment such as screen, slot is not damaged
It is bad, and ensure that equipment is fitted closely with interior structure；
4) system industry ethernet type frame structure ensures that individual equipment damage whole system still can operate, and ensures great Rong
Measure the loading velocity of data；
5) a massive store ROM function is devised in system, can store a large amount of dynamic contexts；
6) MCU processor of system can show entire dynamic context according to every piece of display screen of coding automatic decision of equipment
The different piece of animation, it is final to realize whole splicing effect；And
7) make the more aobvious modernization of aircraft；More comfortable main cabin contextual model is provided, passenger fatigue is alleviated；Improve airline
Brand competitiveness.
Description of the drawings
Fig. 1 is the stereogram of a part for the aircraft passenger compartment for being equipped with the display scene lighting system of the application；
Fig. 2 is the structure of the display scene lighting system and corresponding mounting structure according to the embodiment of the application
Figure；
Fig. 3 is the structure chart after the display scene lighting system of Fig. 2 installs.
Fig. 4 is the structural schematic diagram of the screen assembly of the display scene lighting system of the application；
Fig. 5 is the system composition figure of the display scene lighting system of the application.
Fig. 6 is the system architecture diagram of the display scene lighting system of the application.
Reference numerals list：
1 screen assembly
2 display control boxes
3 PCB motherboards
4 fastening nuts
5 ceilings
31 board slots
32 line conductor row card slots
101 OLED screen curtains
102 transparent screens
103 screen frames
104 buckles
105 flexible wires are arranged
106 buffer layers
107 dampings fasten sandwich rubber
201 snap-gauge plugs
202 screws
203 rubber sheet gaskets
204 connectors
Specific implementation mode
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, understands the present invention's to become apparent from
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and it is only
Illustrate the connotation of technical solution of the present invention.
In the following description, elaborate certain details to provide for the purpose for illustrating various disclosed embodiments
To the thorough understanding of various open embodiments.But it one skilled in the relevant art will recognize that can be in without these details
One or more details the case where put into practice embodiment.Under other circumstances, well known device associated with this application, knot
Structure and technology may not be illustrated in detail in or describe to avoid unnecessarily obscuring the description of embodiment.
Unless context has other needs, and in the whole instruction and claim, word " comprising " and its modification, such as
"comprising" and " having " should be understood meaning that is open, including, that is, should be interpreted that " including, but are not limited to ".
Expression is in conjunction with the embodiments described to be referred to " one embodiment " or " embodiment " throughout the specification
Certain features, structure or feature are included at least one embodiment.Therefore, in each position of the whole instruction " at one
In embodiment " or " in an embodiment " in appearance without all referring to identical embodiment.In addition, certain features, structure or feature
It can combine in any way in one or more embodiments.
Singulative " one " and " described " include plural object as used in the specification and appended, are removed
It is clearly dictated otherwise in non-text.It should be noted that term "or" is usually used with the meaning that it includes "and/or", unless literary
In clearly dictate otherwise.
In the following description, of the invention structure and working method in order to clearly demonstrate, will be by many Directional words
It is described, but should be by the words such as "front", "rear", "left", "right", "outside", "inner", " outside ", " inside ", "upper", "lower"
Language understands for convenience of term, and is not construed as word of limitation.
As shown in figures 1 to 6, the display scene lighting system of the application can be applied to such as aircraft passenger compartment, cabin, passenger car
Compartment, indoor environment etc..Present invention is described by taking aircraft passenger compartment as an example by the present invention.Disclosure is particularly well suited to be used as being mounted on flying
Scene on the left side ceiling and right side ceiling in passenger cabin is shown and lighting system.By the system, dome may be implemented
The true extraneous 24 hours one day variation scenes of display.In different modes, it can be shown on full main cabin panel corresponding
Dynamic scene image.
Show scene lighting system mainly and include multiple screen assemblies 1, multiple display control boxes 2 and interconnecting module (
It is PCB motherboards 3 in the embodiment).Display control box 1 is electrically connected with the Cabin Management System of aircraft and screen assembly 1 simultaneously, from
And control the illumination and display of screen assembly.Each display control box 2 is connect with a screen assembly 1, and each shows control
Box 2 processed is communicated to connect by the Cabin Management System of industry ethernet and aircraft.Specifically, display control box is equipped with
Ethernet network interface cards.Display control box is communicated to connect via the Cabin Management System of Ethernet network interface cards and aircraft.Further,
Display control box 2 has board plug 201.PCB motherboards 3 have board slot 31 and line conductor row card slot 32.Display control box 2
Board plug is inserted into the board slot 31 of PCB motherboards 3, and the flexible wire row 105 of screen assembly 1 is inserted into line conductor row card slot 32, from
And screen assembly 1 is connected to display control box 2 via PCB motherboards.
As shown in Figure 3-4, screen assembly 1 includes OLED screen curtain 101, transparent screen 102, screen frame 103, flexible wire
Row 105 and buffer layer 106, wherein flexible wire row 105 is connected to OLED screen curtain 101.Flexible wire row 105 is screen assembly
1 communication component is crosslinked with PCB motherboards.Transparent screen 102 is covered in the preceding outer surface of OLED screen curtain 101.Transparent screen plays modeling
Property and protection OLED screen curtain function.Buffer layer 106 is laid on the rear outer surface of OLED screen curtain 101.Buffer layer 106 is for filling
Secondly the back space of OLED screen curtain protects OLED screen curtain by vibration damage, not play certain cushioning effect.OLED screen curtain 101, thoroughly
Bright screen 102 and buffer layer 106 are mounted in screen frame 103.Screen frame 103 is equipped with buckle 104.Buckle 104 is used for
It will be in the installation to the ceiling 5 of aircraft of screen assembly 1.It should be understood that other mounting structures can also be arranged in screen frame to incite somebody to action
Screen assembly is installed to ceiling, such as mounting hole is arranged, and is installed screen assembly to ceiling by screw.
Damping fastening sandwich rubber 107 is additionally provided on the surface of the buffer layer 106 of screen assembly 1.Damping fastens sandwich rubber 107
Screen assembly 1 is Nian Jie with interior trim ceiling, while cushioning effect is played, further protect screen assembly.
Display control box 2, which is mainly responsible for, to be crosslinked with Cabin Management System and transmits signal.Display control box lower part is slotted, if
A board plug 201 is counted.The board plug 201 is inserted into the board slot 31 of PCB motherboards 3.The pre-buried fastening nut of trim panel
4.Display control box 2 is fastened on interior trim ceiling after being seated with PCB motherboard slots by screw 202 by display control box 2.It is aobvious
Show that 2 bottom of control box is designed with rubber sheet gasket 203, first, control box is bonded with ceiling face, second is that preventing control box from existing
It falls off during aircraft vehicle vibrations or damages plug or slot.Connector 204 is additionally provided on display control box 2.The connector 204
Connect aircraft RPDU secondary power distributions unit and industry ethernet.
As shown in figure 5, display control box 2 devises one piece of Ethernet card, the erasable ROM of one piece of large capacity, video storage
Read control circuit, one piece of MCU central processing unit, video decoding driving circuit and electric power management circuit.All dynamic contexts
Scene is transferred to by Ethernet in display control box, and the ROM of control box is stored data by video storage reading circuit
In, system can detect all display control boxes and number on startup.The ROM has large capacity.MCU is according to different displays
The number of control box, control video decoding driving circuit read the different segmentations of special video, are exported data by PCB motherboards
Onto OLED screen curtain, realize that the different segmentations of whole section of video of every piece of screen display, all screens are finally combined into complete dynamic
Video.
PCB motherboards 3 are fixed on by fastener in interior trim ceiling opening.PCB motherboard boards are designed on PCB motherboards 3
Slot 31 and line conductor row card slot 32.The motherboard 32 is embedded to be mounted in interior trim ceiling as display control box 2 and screen assembly 1
Connector.Flexible winding displacement on screen assembly is inserted into the line conductor row card slot clamping on PCB motherboards, you can realizes screen and control
The communication of box.
When assembling, first PCB motherboards are packed into interior trim ceiling fluting, it is female that screen assembly winding displacement is then mounted on PCB
In plate Keyseat for wiring displacement, screen is fixed on the ceiling by buckling bonding way then, control box is finally inserted into PCB motherboards
Slot, screw fastening, finally connects control box by connector, forms structure as shown in Figure 3.
Fig. 6 shows the system diagram of the display scene lighting system of the application.It is illustrated in fig. 6 shown below, whole system framework uses
Industry ethernet type frame structure, including multiple screen assemblies.Whole system power supply is controlled by aircraft secondary power distribution unit R PDU to display
Box power supply processed, unifies distribution by the power management module circuit in display control box, is useful in monolithic display screen component
Electric equipment provides enough electric energy.
The system only needs to access CMS Cabin Management Systems uploaded videos text by ground installation when changing contextual model
Part can realize that all video uploads are realized by high speed Ethernet network.
The aircraft passenger compartment of the application shows the characteristics of scene lighting system utilizes OLED bent with being not necessarily to radiate, and devises
A kind of display scene lighting being easily installed in top ceiling creates virtual scene and atmosphere, realizes really " scene "
Illumination, makes passenger stay wherein, and body and mind is loosened, and the tired out of journey is alleviated, to leave unforgettable experience experience.
Presently preferred embodiments of the present invention has already been described in detail above, it is understood that if desired, the side of embodiment can be changed
Face using the aspect, feature and design of various patents, application and publication provides other embodiment.
In view of detailed descriptions above, these and other variation can be made to embodiment.In general, in claim
In, term used should not be construed as limited to specific embodiment disclosed in description and claims, but be understood that
It includes whole equivalency ranges that all possible embodiment is enjoyed together with these claims to be.
Claims (13)
1. a kind of display scene lighting system, which is characterized in that the display scene lighting system includes：
Screen assembly, the screen assembly are arranged on ceiling and include that transparent screen, OLED screen curtain, buffer layer, flexibility are led
Line is arranged and screen frame, wherein the transparent screen is covered in the preceding outer surface of the OLED screen curtain, the buffer layer is laid with
On the rear outer surface of the OLED screen curtain, flexible wire row is connected to the OLED screen curtain, the OLED screen curtain, described
Transparent screen and the buffer layer are mounted in the screen frame；And
Display control box, the display control box are electrically connected with management system and the screen assembly simultaneously, described in control
The illumination and display of screen assembly.
2. display scene lighting system as described in claim 1, which is characterized in that further include that the screen frame is equipped with peace
Assembling structure, the mounting structure is for installing the screen assembly to ceiling.
3. display scene lighting system as described in claim 1, which is characterized in that the display scene lighting system includes more
A screen assembly, the multiple screen assembly are connected to management system via the display control box respectively.
4. display scene lighting system as described in claim 1, which is characterized in that the display scene lighting system includes more
A screen assembly and multiple display control boxes, the multiple display control box is corresponded with the multiple screen assembly respectively to be connected
It connects, and each display control box is connect by Ethernet with communication.
5. display scene lighting system as claimed in claim 4, which is characterized in that each display control box has ether
Network interface card and power management module, wherein each display control box is connect simultaneously via the Ethernet card with the management system
It is connect with RPDU secondary power distribution units via the power management module.
6. display scene lighting system as claimed in claim 4, which is characterized in that each display control box has number
And further comprise storage unit, video storage read control circuit, video decoding driving circuit, MCU central processing units, wherein
The storage unit is stored data by video storage reading circuit, the display scene lighting system is examined on startup
All display control boxes and its number are surveyed, the MCU central processing units are according to the number of different display control boxes, control
The video decoding driving circuit reads the different segmentations of video, is output data on OLED screen curtain by interconnecting module, from
And every piece of OLED screen curtain shows the different segmentations of video.
7. display scene lighting system as described in claim 1, which is characterized in that the display control box further comprises turning
Connection module, flexible wire row connect with the interconnecting module, and the interconnecting module connect with the display control box with
Display data is transferred into the OLED screen curtain from display control box.
8. display scene lighting system as claimed in claim 7, which is characterized in that the interconnecting module is PCB mother matrixs, described
PCB motherboards have board slot and Keyseat for wiring displacement, wherein the board slot is for connecting the display control box and described
Keyseat for wiring displacement is used to connect the flexible wire row of the screen assembly.
9. display scene lighting system as described in claim 1, which is characterized in that the mounting structure is to be set to the screen
Several spaced buckles on curtain frame.
10. display scene lighting system as described in claim 1, which is characterized in that the screen assembly, which is further provided with, to be subtracted
Shake fastening sandwich rubber, the damping fasten in at least part for the upper surface that sandwich rubber is layed in the buffer layer.
11. display scene lighting system as described in claim 1, which is characterized in that the damping fastening sandwich rubber includes phase
Mutually multiple dampings spaced apart fastening sponge adhesive tape and multiple dampings fasten sponge blob of viscose.
12. display scene lighting system as claimed in claim 6, which is characterized in that the storage unit is large capacity ROM.
13. the display scene lighting system as described in any one of preceding claims 1-12, which is characterized in that the display feelings
Scape illumination is used for aircraft passenger compartment, and the management system is that aircraft passenger compartment manages system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801476.3A CN108639352A (en) | 2018-07-20 | 2018-07-20 | Show scene lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801476.3A CN108639352A (en) | 2018-07-20 | 2018-07-20 | Show scene lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108639352A true CN108639352A (en) | 2018-10-12 |
Family
ID=63759649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810801476.3A Pending CN108639352A (en) | 2018-07-20 | 2018-07-20 | Show scene lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108639352A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498117A (en) * | 2020-05-29 | 2020-08-07 | 中国商用飞机有限责任公司 | Lighting system for vehicle |
| CN111642046A (en) * | 2020-05-29 | 2020-09-08 | 中国商用飞机有限责任公司 | Scene display control system and control method |
| CN111976951A (en) * | 2019-05-24 | 2020-11-24 | 湾流航空航天公司 | Aircraft window and aircraft window display |
| US10972760B1 (en) | 2020-03-05 | 2021-04-06 | Panasonic Avionics Corporation | Secure testing of vehicle entertainment systems for commercial passenger vehicles |
| CN115361568A (en) * | 2022-08-22 | 2022-11-18 | 中车青岛四方车辆研究所有限公司 | Motor train unit seat information display system based on cascade video splicing technology |
-
2018
- 2018-07-20 CN CN201810801476.3A patent/CN108639352A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976951A (en) * | 2019-05-24 | 2020-11-24 | 湾流航空航天公司 | Aircraft window and aircraft window display |
| CN111976951B (en) * | 2019-05-24 | 2022-12-30 | 湾流航空航天公司 | Aircraft window and aircraft window display |
| US11685505B2 (en) | 2019-05-24 | 2023-06-27 | Gulfstream Aerospace Corporation | Window for an aircraft and display for aircraft window |
| US10972760B1 (en) | 2020-03-05 | 2021-04-06 | Panasonic Avionics Corporation | Secure testing of vehicle entertainment systems for commercial passenger vehicles |
| CN111498117A (en) * | 2020-05-29 | 2020-08-07 | 中国商用飞机有限责任公司 | Lighting system for vehicle |
| CN111642046A (en) * | 2020-05-29 | 2020-09-08 | 中国商用飞机有限责任公司 | Scene display control system and control method |
| CN111498117B (en) * | 2020-05-29 | 2021-09-14 | 中国商用飞机有限责任公司 | Lighting system for vehicle |
| CN115361568A (en) * | 2022-08-22 | 2022-11-18 | 中车青岛四方车辆研究所有限公司 | Motor train unit seat information display system based on cascade video splicing technology |
| CN115361568B (en) * | 2022-08-22 | 2023-09-22 | 中车青岛四方车辆研究所有限公司 | EMUs seat information display system based on cascading video concatenation technique |
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