CN202363090U - Multi-screen display device - Google Patents

Multi-screen display device Download PDF

Info

Publication number
CN202363090U
CN202363090U CN2011204733944U CN201120473394U CN202363090U CN 202363090 U CN202363090 U CN 202363090U CN 2011204733944 U CN2011204733944 U CN 2011204733944U CN 201120473394 U CN201120473394 U CN 201120473394U CN 202363090 U CN202363090 U CN 202363090U
Authority
CN
China
Prior art keywords
signal
lvds
signal processor
data converter
signals
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.)
Expired - Lifetime
Application number
CN2011204733944U
Other languages
Chinese (zh)
Inventor
廖凌志
窦斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Huasheng Software Technology Co.,Ltd.
TCL Commercial Information Technology Huizhou Co Ltd
Original Assignee
TCL Digital Technology Shenzhen Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TCL Digital Technology Shenzhen Co Ltd filed Critical TCL Digital Technology Shenzhen Co Ltd
Priority to CN2011204733944U priority Critical patent/CN202363090U/en
Application granted granted Critical
Publication of CN202363090U publication Critical patent/CN202363090U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The utility model discloses a multi-screen display device, which comprises a signal processor and an LVDS (Low Voltage Differential Signaling) change-over circuit, wherein the signal processor is used for decoding various input signals to form serial first LVDS signals; the LVDS change-over circuit is used for converting the serial first LVDS signals into multiple paths of parallel TTL (Transistor-Transistor Logic) signals, and converting the multiple paths of parallel TTL signals into multiple paths of serial second LVDS signals for being displayed by multiple display screens respectively; and the signal processor is connected with the LVDS change-over circuit. According to the multi-screen display device, the effect of displaying the same input signal content simultaneously on double screens (double-sided screens) or 2<N> screens regardless of which type of input signal by using the same processor and the same power supply is realized, the cost is reduced, and display of the same content by double screens can be realized.

Description

A kind of multi-display apparatus
Technical field
The utility model relates to electronic technology field, in particular a kind of multi-display apparatus.
Background technology
Along with development of electronic technology, the various display device for example use of liquid crystal display are more and more universal.
Owing in places such as some halls, need the multi-section liquid crystal display to show advertisement in each, contents such as TV programme show or the large screen splicing technology according to existing LCD TV, all are signal processors, drive to show a LCDs.
Because in the present liquid crystal display, one road LVDS signal adopts same signal processing chip, can only drive LCDs of demonstration.When needs are realized multihead display, then need multichannel LVDS signal to adopt a plurality of signal processing chips, a plurality of power supply to realize that cost can't reduce like this.
Therefore, prior art awaits to improve and development.
The utility model content
Deficiency in view of above-mentioned prior art; The purpose of the utility model is to provide a kind of multi-display apparatus, and it can realize same signal processor, same power supply; No matter import any signal; The Nth power that just can realize double screen (two-sided screen) or 2 is shielded the effect that shows same input signal content simultaneously, both reduces cost like this, can realize that again double screen shows same content.
The technical scheme of the utility model is following:
A kind of multi-display apparatus comprises: be used for the signal of all kinds of inputs is carried out decoding processing, form the signal processor of a LVDS signal of serial; Wherein, it also comprises:
A LVDS conversion of signals that is used for said serial is the TTL signal of multidiameter delay; Be the LVDS change-over circuit that the 2nd LVDS signal of multi-path serial supplies a plurality of display screens to show respectively with multiple parallel TTL conversion of signals again, said signal processor is connected with said LVDS change-over circuit.
Described multi-display apparatus, wherein, it also comprises: a plurality of display screens that are connected respectively with said LVDS change-over circuit.
Described multi-display apparatus; Wherein, it also comprises: be used to be respectively signal processor, the LVDS change-over circuit; And display screen provides the power-supplying circuit of power supply, said power-supplying circuit respectively with said signal processor, LVDS change-over circuit, and each display screen be connected.
Described multi-display apparatus, wherein, said LVDS change-over circuit comprises:
Be used for a LVDS signal of the serial of signal processor output is handled, convert first data converter of parallel TTL signal into;
Be used for supplying second data of each display screen demonstration to change device respectively the parallel TTL conversion of signals two-way of said first data converter output or the 2nd LVDS signal of multi-path serial;
Said signal processor, first data converter, second data converter connect successively.
Described multi-display apparatus, wherein, said second data are changeed device and are comprised at least one data-switching chip.
Described multi-display apparatus, wherein, each said data-switching chip connects two display screens or a two-sided display screen.
Described multi-display apparatus, wherein, said display screen is a LCDs.
The multi-display apparatus that the utility model provided is transformed into the LVDS signal that multichannel can supply liquid crystal display to show owing to adopted one road LVDS (low-voltage differential signal) signal handled, and can realize same signal processor; Same electric supply system drives a plurality of liquid crystal displays of demonstration simultaneously, need not use two cover signal processors; Two cover electric supply systems, two cover screen mounting structures, the purpose of realization double screen (two-sided screen) or the same signal content of multihead display; Both reduced cost, conserve space realizes that multi-screen shows the effect of same signal simultaneously again; For the user uses, particularly the advertisement machine demonstration brings convenience.
Description of drawings
Fig. 1 is the multi-display apparatus circuit principle structure synoptic diagram of the utility model first embodiment.
Fig. 2 is the multi-display apparatus circuit principle structure synoptic diagram of the utility model second embodiment.
Fig. 3 is the application implementation example structural representation of multi-display apparatus shown in Figure 2.
Fig. 4 is a signal processor signal input/output structure synoptic diagram embodiment illustrated in fig. 2.
Fig. 5 is the first data converter signal processing structure synoptic diagram embodiment illustrated in fig. 2.
Fig. 6 is the second data converter signal processing structure synoptic diagram embodiment illustrated in fig. 2.
Fig. 7 is the differential signal receiver and the differential signal transmitter syndeton synoptic diagram of the utility model one application implementation example.
Embodiment
The utility model provides a kind of multi-display apparatus, for purpose, technical scheme and the effect that makes the utility model is clearer, clear and definite, below with reference to accompanying drawing and give an actual example to the utility model further explain.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The multi-display apparatus of the utility model first embodiment, as shown in Figure 1, comprising: power-supplying circuit 150, signal processor 110, LVDS (low-voltage differential signal) change-over circuit 200, and a plurality of display screens 140.Said signal processor 110 is connected with said LVDS change-over circuit 200, and the output terminal of said LVDS change-over circuit 200 is connected with each display screen 140 respectively.
As shown in Figure 1; Said power-supplying circuit 150 respectively with said signal processor 110, LVDS change-over circuit 200, and each display screen 140 be connected, be used to be respectively signal processor 110, LVDS change-over circuit 200 and a plurality of LCDs 140 of being connected provide power supply.For common LCDs, a power supply only supplies a LCDs power supply, and in the present embodiment, road power supply with original increases to the power supply of multichannel LCDs, supplies each display screen to use, and has practiced thrift cost and space.
The input end of said signal processor 110 connects the vision signal input, is used for the signal of all kinds of inputs is carried out decoding processing, and formation can supply a LVDS signal of the serial that display screen shows, i.e. LVDS signal among Fig. 1, and the LVDS signal is a serial signal.
The LVDS conversion of signals that said LVDS change-over circuit 200 is used for said serial is the TTL signal of multidiameter delay, is that the 2nd LVDS signal of multi-path serial supplies a plurality of display screens to show respectively with multiple parallel TTL conversion of signals again.Among the embodiment as shown in Figure 1, after the LVDS signal input LVDS change-over circuit 200 of signal processor 110 outputs is handled, be divided into two paths of signals, display screen 140, one road LVDS2 signal on one road LVDS1 signal exports to exports the display screen 140 of lower end to.
Because one road LVDS signal can't directly convert the LVDS signal of multichannel into; But after needing LVDS to convert the TTL signal of driving and generating multichannel into; Convert the LVDS signal of multichannel again to; As shown in Figure 2, thus the LVDS signaling conversion circuit 200 of present embodiment, comprise with the LVDS conversion of signals be the TTL signal first data converter, and be second data converter of two-way or multichannel LVDS signal with the TTL conversion of signals.
The multi-display apparatus of the utility model second embodiment, as shown in Figure 2, mainly comprise: signal processor 110, first data converter 120, second data converter 130, power-supplying circuit 150, a plurality of display screens 140.Said first data converter 120 and second data converter 130 constitute said LVDS signaling conversion circuit 200.
Wherein, the signal (like vision signal) that said signal processor 110 is used for all kinds of inputs carries out decoding processing, forms a LVDS (low-voltage differential signal) serial signal.Said signal processor can be a vision signal process chip.
Said first data converter 120 is connected with said signal processor 110, is used for a LVDS signal of the serial of signal processor 110 output is handled, and converts parallel TTL signal output into.
Said second data converter 130 is connected with said first data converter 120; The 2nd LVDS signal that is used for parallel TTL conversion of signals with the output of said first data converter and is two-way or multi-path serial supplies each display screen 140 to show that said display screen 140 can be LCDs respectively.
Power-supplying circuit 150 is connected with said signal processor 110, first data converter 120, second data converter 130, display screen 140 respectively, is used to be respectively said signal processor 110, first data converter 120, second data converter 130, display screen 140 provides working power.
Among the embodiment, said second data converter 130 can be for a plurality of further, and each second data converter connects two display screens or a two-sided display screen.
One concrete application implementation of a kind of multi-display apparatus of the utility model is for example shown in Figure 3, only is shown as example with double screen (two-sided screen) here, adopts a signal processor; A power-supplying circuit realizes that double screen (two-sided screen) or multi-screen show the signal content of input signal processor simultaneously, and is as shown in Figure 3; Mainly comprise power-supplying circuit; Signal processor, first data converter, second data converter; And be separately positioned on the two-sided screen at the second data converter two ends, i.e. display screen 1 and display screen 2.
Signal processor is used for the processing such as decode of the signal of all kinds of inputs, the LVDS serial signal that formation can supply display screen to show, and as shown in Figure 4, signal processor input end incoming video signal is handled back output terminal output LVDS signal.
First data converter 120 of present embodiment; Being mainly used in the LVDS conversion of signals is the TTL signal; As shown in Figure 5; First data converter 120 of present embodiment also is differential signal receiver, is the TTL signal [TTL is the english abbreviation (Transister-Transister-Logic) of transistor-transistor logic circuit] that the LVDS conversion of signals of balance transmission is become non-equilibrium transmission.Wherein, this first data converter 120 (differential signal receiver) is accomplished signal data transmission conversion work by a signal data conversion chip; After the LVDS signal is imported first data converter 120; Through main MCU sequential control clock input; Phase locking; Through TVDS conversion TTL unit, convert a LVDS signal of serial into non-equilibrium transmission TTL signal, capable field sync signal and clock signal, for producing two-way and above LVDS signal provides needed all data-signals.Wherein, the balance transmission data-signal is that subsequent conversion is that non-equilibrium transmission TTL signal uses, and the row field sync signal is for image level and vertical direction maintenance stabilizing synchronizing, and clock signal is to use for the reference time of front and back data sampling.
Second data converter 130, the parallel TTL conversion of signals that first data converter 120 is exported is a two-way LVDS signal.Second data converter 130 also makes the differential signal transmitter comprise at least one signal data conversion chip; Accomplish the signal data conversion work by a signal data conversion chip IC in the present embodiment; This chip will receive next TTL signal, row field sync signal and clock signal and carry out the internal conversion processing, form the two-way LVDS signal that supplies to shield the driving demonstration of two-way; As shown in Figure 5; Each signal data conversion chip will receive parallel TTL signal, row field sync signal and the clock signal of coming and convert the LVDS unit into through TTL; With parallel TTL conversion of signals is the 2nd LVDS signal of serial; The two-way LVDS signal that drives demonstration that supplies to shield that forms two-way is exported, and LVDS1 as shown in Figure 5 exports and LVDS2 output, and through phaselocked loop the output of one road LVDS clock is arranged.
Can connect through a connectors 101 between differential signal receiver of the embodiment of the invention (first data converter 120) and the differential signal transmitter (second data converter 130); As shown in Figure 7; The differential signal interconnector can comprise tie (cable or PCB cabling), terminal build-out resistor etc.
As shown in Figures 2 and 3, among the utility model embodiment in second data converter 130 each said data-switching chip connect two display screens or a two-sided display screen.
Therefore, adopt LVDS signal of input in the present embodiment, realize that two or more liquid crystal displays show with a kind of signal content; One road LVDS signal handled be transformed into the LVDS signal that multichannel can supply liquid crystal display to show, adopt such principle and technology, can realize same signal processor; Realize the demonstration of double screen (two-sided screen) or multi-screen; Both reduced cost, conserve space realizes that multi-screen shows the effect of same signal simultaneously again.
In sum, the multi-display apparatus that the utility model provided can be realized same signal processor; Same electric supply system drives a plurality of liquid crystal displays of demonstration simultaneously, need not use two cover signal processors; Two cover electric supply systems, two cover screen mounting structures, the purpose of realization double screen (two-sided screen) or the same signal content of multihead display; Both reduced cost, conserve space realizes that multi-screen shows the effect of same signal simultaneously again; For the user uses, particularly the advertisement machine demonstration brings convenience.
Should be understood that; The application of the utility model is not limited to above-mentioned giving an example; Concerning those of ordinary skills, can improve or conversion according to above-mentioned explanation, all these improvement and conversion all should belong to the protection domain of the utility model accompanying claims.

Claims (8)

1. a multi-display apparatus comprises: be used for the signal of all kinds of inputs is carried out decoding processing, form the signal processor of a LVDS signal of serial; It is characterized in that it also comprises:
A LVDS conversion of signals that is used for said serial is the TTL signal of multidiameter delay; Be the LVDS change-over circuit that the 2nd LVDS signal of multi-path serial supplies a plurality of display screens to show respectively with multiple parallel TTL conversion of signals again, said signal processor is connected with said LVDS change-over circuit.
2. multi-display apparatus according to claim 1 is characterized in that it also comprises: a plurality of display screens that are connected respectively with said LVDS change-over circuit.
3. multi-display apparatus according to claim 2; It is characterized in that; It also comprises: be used to be respectively signal processor; LVDS change-over circuit, and display screen provides the power-supplying circuit of power supply, said power-supplying circuit respectively with said signal processor, LVDS change-over circuit, and each display screen be connected.
4. multi-display apparatus according to claim 1 is characterized in that, said LVDS change-over circuit comprises:
Be used for a LVDS signal of the said serial of signal processor output is handled, convert first data converter of parallel TTL signal into;
Be used for the parallel TTL conversion of signals two-way of said first data converter output or the 2nd LVDS signal of multi-path serial are supplied second data converter of each display screen demonstration respectively;
Said signal processor, first data converter, second data converter connect successively.
5. multi-display apparatus according to claim 4 is characterized in that, said second data converter comprises at least one data-switching chip.
6. multi-display apparatus according to claim 5 is characterized in that, each said data-switching chip connects two display screens or a two-sided display screen.
7. multi-display apparatus according to claim 1 is characterized in that, said display screen is a LCDs.
8. multi-display apparatus according to claim 1 is characterized in that, said signal processor is a vision signal process chip.
CN2011204733944U 2011-11-24 2011-11-24 Multi-screen display device Expired - Lifetime CN202363090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204733944U CN202363090U (en) 2011-11-24 2011-11-24 Multi-screen display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204733944U CN202363090U (en) 2011-11-24 2011-11-24 Multi-screen display device

Publications (1)

Publication Number Publication Date
CN202363090U true CN202363090U (en) 2012-08-01

Family

ID=46574260

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204733944U Expired - Lifetime CN202363090U (en) 2011-11-24 2011-11-24 Multi-screen display device

Country Status (1)

Country Link
CN (1) CN202363090U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103024319A (en) * 2012-12-28 2013-04-03 深圳Tcl新技术有限公司 Method and device for controlling television set to display multiple things with display screen
CN103327352A (en) * 2013-05-03 2013-09-25 四川虹视显示技术有限公司 Device and method for achieving double display screen 3D display by adoption of serial processing mode
CN103700319A (en) * 2013-12-26 2014-04-02 京东方科技集团股份有限公司 Spliced display device
CN103810938A (en) * 2012-11-13 2014-05-21 深圳华龙讯达信息技术股份有限公司 Industrial-grade double-surface display
CN104333721A (en) * 2014-11-04 2015-02-04 北京德彼克创新科技有限公司 Multi-core displaying control method and device
CN106791649A (en) * 2016-12-21 2017-05-31 Tcl数码科技（深圳）有限责任公司 A kind of display system and display methods of achievable shuangping san
CN107665690A (en) * 2017-10-27 2018-02-06 成都九洲电子信息系统股份有限公司 Display system based on TTL interface RGB mode activated double screen colour same images
CN108053804A (en) * 2017-12-29 2018-05-18 深圳Tcl新技术有限公司 Collocation method, device and the readable storage medium storing program for executing of display terminal supply current
WO2018171001A1 (en) * 2017-03-24 2018-09-27 惠科股份有限公司 Differential signal transmission circuit and display apparatus using same
CN109064986A (en) * 2018-08-29 2018-12-21 京东方科技集团股份有限公司 A kind of display panel and preparation method thereof, driving method, display device
CN109962865A (en) * 2017-12-22 2019-07-02 Tcl新技术（惠州）有限公司 A kind of display module and display system for realizing the logical transmission of network rings

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103810938A (en) * 2012-11-13 2014-05-21 深圳华龙讯达信息技术股份有限公司 Industrial-grade double-surface display
CN103810938B (en) * 2012-11-13 2016-12-21 深圳华龙讯达信息技术股份有限公司 A kind of technical grade display with double faces
CN103024319A (en) * 2012-12-28 2013-04-03 深圳Tcl新技术有限公司 Method and device for controlling television set to display multiple things with display screen
CN103327352A (en) * 2013-05-03 2013-09-25 四川虹视显示技术有限公司 Device and method for achieving double display screen 3D display by adoption of serial processing mode
CN103700319A (en) * 2013-12-26 2014-04-02 京东方科技集团股份有限公司 Spliced display device
CN104333721A (en) * 2014-11-04 2015-02-04 北京德彼克创新科技有限公司 Multi-core displaying control method and device
CN106791649A (en) * 2016-12-21 2017-05-31 Tcl数码科技（深圳）有限责任公司 A kind of display system and display methods of achievable shuangping san
WO2018171001A1 (en) * 2017-03-24 2018-09-27 惠科股份有限公司 Differential signal transmission circuit and display apparatus using same
CN107665690A (en) * 2017-10-27 2018-02-06 成都九洲电子信息系统股份有限公司 Display system based on TTL interface RGB mode activated double screen colour same images
CN109962865A (en) * 2017-12-22 2019-07-02 Tcl新技术（惠州）有限公司 A kind of display module and display system for realizing the logical transmission of network rings
CN108053804A (en) * 2017-12-29 2018-05-18 深圳Tcl新技术有限公司 Collocation method, device and the readable storage medium storing program for executing of display terminal supply current
CN108053804B (en) * 2017-12-29 2020-07-31 深圳Tcl新技术有限公司 Configuration method and device for power supply current of display terminal and readable storage medium
CN109064986A (en) * 2018-08-29 2018-12-21 京东方科技集团股份有限公司 A kind of display panel and preparation method thereof, driving method, display device
CN109064986B (en) * 2018-08-29 2021-01-26 京东方科技集团股份有限公司 Display panel, manufacturing method and driving method thereof, and display device
US10923062B2 (en) 2018-08-29 2021-02-16 Chongqing Boe Optoelectronics Technology Co., Ltd. Display panel, manufacturing method thereof, driving method and display device

Similar Documents

Publication Publication Date Title
CN202363090U (en) Multi-screen display device
CN109358828B (en) Display unit, splicing display device and splicing display system
CN102290024B (en) Method for recovering pixel clocks based on internal display port interface and display device using the same
CN101819755B (en) Monitor joined screen with function of displaying multi-channel video signals and realization method thereof
CN101388182B (en) LCD and computer system using the LCD
CN201754604U (en) Television deck module and TV set
CN102609232A (en) Splicing display wall, display method, system and intelligent display device
US9613555B2 (en) Pixel driving circuit including signal splitting circuits, driving method, display panel, and display device
KR20140077406A (en) Timing controller, driving method thereof and liquid crystal display using the same
CN103700319A (en) Spliced display device
CN102098523A (en) Display device, display method and computer program
CN204350147U (en) Mixed video control device and display device
CN114267293B (en) Display device and display method thereof
CN104537999B (en) A kind of panel itself interface and its agreement that can be according to system complexity flexible configuration
KR100881142B1 (en) Led display apparatus
CN101026716A (en) Method for configuring high resolution spliced television curtain wall
CN101334978A (en) Display device, driving method of the same and electronic equipment incorporating the same
CN101193217A (en) LCD TV set with dual-channel LVDS output circuit
CN103503466A (en) Method and apparatus for fast data delivery on a digital pixel cable
CN206100251U (en) Demonstration controlling means of concatenation screen
CN104766562A (en) Driving method and system for display panel
CN200947337Y (en) LED full chromatic display screen control system
CN202533928U (en) Splicing display wall and splicing display wall system and intelligent display device
CN203181061U (en) Cascaded extension multi-screen seamless-switching high-definition video processing device
CN205212951U (en) 4K display screen devices that show more

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: TCL business information technology (Huizhou) Limited by Share Ltd

Assignor: TCL Digital Technology (Shenzhen) Co., Ltd.

Contract record no.: 2012440020466

Denomination of utility model: Multi-screen display device

Granted publication date: 20120801

License type: Exclusive License

Record date: 20121228

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171101

Address after: 516006 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 19 district

Patentee after: TCL New Technology (Huizhou) Co., Ltd.

Address before: 518067 Guangdong city of Shenzhen province Nanshan District Shekou Industrial Road No. 5 Building 1 Lushi Arts crafts emporium E district two building 201

Patentee before: TCL Digital Technology (Shenzhen) Co., Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201010

Address after: 518000 3 building, TCL international E Town, 1001 Zhongshan Garden Road, Nanshan District, Shenzhen, Guangdong, China. 1001

Patentee after: Shenzhen Huasheng Software Technology Co.,Ltd.

Patentee after: TCL commercial information technology (Huizhou) Co., Ltd

Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 19 district

Patentee before: TCL NEW TECHNOLOGY (HUIZHOU) Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120801