CN104301645B

CN104301645B - splicing display method, device and system

Info

Publication number: CN104301645B
Application number: CN201410584465.6A
Authority: CN
Inventors: 雷伟林; 张龙虎; 卢长军
Original assignee: Leyard Optoelectronic Co Ltd
Current assignee: Leyard Optoelectronic Co Ltd
Priority date: 2014-09-19
Filing date: 2014-10-27
Publication date: 2018-12-28
Anticipated expiration: 2034-10-27
Also published as: CN104301645A; CN204190885U

Abstract

The invention discloses a kind of splicing display methods, device and system.Wherein, this method comprises: the first master controller obtains the display unit quantity being serially connected, wherein display unit quantity at least two, and the corresponding master controller of each display unit；First master controller obtains the resolution parameter for the display unit being serially connected；First master controller obtains the relative position of the first master controller corresponding display unit and other display unit；First master controller is according to the display unit quantity of corresponding display unit, the resolution parameter of display unit and relative position, the image information of input is cut to obtain partial picture information, wherein, partial picture information is shown for the display unit corresponding to the first master controller.The present invention solves the prior art in large size TV using transport caused by single panel, difficult to install, and resolution ratio is fixed from according to customized technical problem.

Description

Splicing display method, device and system

Technical field

The present invention relates to display fields, in particular to a kind of splicing display method, device and system.

Background technique

High-resolution is the mainstream of autonomous light-emitting LED display technology at present from the LED television of main light emission, from the LED of main light emission Display panel has been carried out extra small spacing, the functions such as high definition physical resolution, and color representation ability is strong, and grayscale and contrast are excellent Gesture is obvious, fits entirely into the signal and image for showing various video interface forms, current 100 inches and its height can be achieved above The display screen of clear or full HD physical resolution, and shown compared to the TV of other larger sizes, such as liquid crystal, plasma, Often by monolith surface board group at, physical resolution is fixed, the transport for TV, assembling etc. bring difficulty, during use, Flexibility is also poor.

In current existing display TV, the display TV of larger size is often made of monolithic display panel, this is aobvious Show that panel is usually the physical resolution such as 1920x1080 of standard, the length and width dimensions of 1366x768 etc., TV are fixed, first this Kind TV has larger difficulty in transport and installation in larger size, and flexibility is poor, and it is fixed not can be carried out user flexibility The TV of physical resolution processed uses.For example it requires to realize 4Kx1K, the TV of 8Kx4K physical resolution in user, or even require , there is very big difficulty in the TV for realizing high clear physical resolution, this brings larger limitation to using.In addition, general The customized TV that LCD, PDP etc. are realized using basic unit splicing, tends not to realize seamless spliced, and these displays When part uses tiled display, in stitching portion, there are obvious black surround splicing seams, this brings apparent discomfort to viewing visual perception Place.

The shortcomings that existing technology at least following:

1, large size TV can only be transported as entire panel, installation.It cannot dismantle and carry out installation and transportation for basic unit, It transports at 100 inches and its above, assembling is difficult.

2, the physical resolution of TV is fixed, and the tv product difference of different physical resolution is very big, cannot flexibly be realized The high definition of various standards, the physical resolution TV of high clear and user flexibility customization.

3, using the TV of spliced realization, it can not achieve the television-viewing of seamless spliced globality, splicing black surround is to view Feel is felt to bring discomfort.

4, the TV that also cannot achieve high clear 4Kx2K or more physical resolution at present is shown.

5, if there is bad point can not repair can only integral replacing.

For in the prior art in large size TV using transport caused by single panel, difficult to install, resolution ratio is solid Surely cannot be according to customized problem, currently no effective solution has been proposed.

Summary of the invention

The main purpose of the present invention is to provide a kind of splicing display methods, device and system, to solve in large scale electricity It is used depending on caused by single panel and transports, is difficult to install, resolution ratio is fixed from according to customized problem.

To achieve the goals above, according to an aspect of an embodiment of the present invention, a kind of splicing display method is provided.Root It include: that the first master controller obtains the display unit quantity being serially connected according to splicing display method of the invention, wherein display is single First quantity at least two, and each display unit corresponds to a master controller；The acquisition of first master controller is serially connected The resolution parameter of display unit；First master controller obtains the corresponding display unit of the first master controller and other display unit Relative position；First master controller is according to the display unit quantity of corresponding display unit, the resolution ratio of display unit Parameter and relative position are cut to obtain partial picture information, wherein partial picture information is used for the image information of input The display unit corresponding to the first master controller is shown.

To achieve the goals above, according to another aspect of an embodiment of the present invention, a kind of splicing display device is provided.Root Include: the first acquisition module according to splicing display device of the invention, obtains the display list being serially connected for the first master controller First quantity, wherein display unit quantity at least two, and the corresponding master controller of each display unit；Second obtains mould Block obtains the resolution parameter for the display unit being serially connected for the first master controller；Third obtains module, main for first Controller obtains the relative position of the first master controller corresponding display unit and other display unit；Image processor is used for First master controller is according to the display unit quantity of corresponding display unit, the resolution parameter of display unit and opposite position It sets, the image information of input is cut to obtain partial picture information, wherein partial picture information is used in the first main control Display unit corresponding to device is shown.

To achieve the goals above, according to an aspect of an embodiment of the present invention, a kind of splice displaying system is provided.Root It include: display screen according to splice displaying system of the invention, display screen is at least connected in series with each other by two display units, often A display unit is corresponding with master controller, for showing the image information from the master controller；Master controller, it is corresponding Display unit connection, for obtains the display unit being serially connected quantity, resolution parameter and display unit and other show Show the relative position of unit, and according to the display unit quantity of corresponding display unit, the resolution parameter of display unit And relative position, the image information of input is cut to obtain partial picture information.

According to inventive embodiments, the display unit quantity being serially connected is obtained by the first master controller, wherein display is single First quantity at least two, and each display unit corresponds to a master controller；The acquisition of first master controller is serially connected The resolution parameter of display unit；First master controller obtains the corresponding display unit of the first master controller and other display unit Relative position；First master controller is according to the display unit quantity of corresponding display unit, the resolution ratio of display unit Parameter and relative position are cut to obtain partial picture information, wherein partial picture information is used for the image information of input The display unit corresponding to the first master controller shows solve and use single panel in large size TV in the prior art Caused to transport, is difficult to install, resolution ratio is fixed from according to customized problem.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of splice displaying system according to an embodiment of the present invention；

Fig. 2 is screen connection schematic diagram according to an embodiment of the present invention；

Fig. 3 is a kind of structural schematic diagram of preferred splice displaying system according to an embodiment of the present invention；

Fig. 4 is image processor handling principle schematic diagram according to an embodiment of the present invention；

Fig. 5 is display controller handling principle schematic diagram according to embodiments of the present invention；

Fig. 6 is the flow chart of splicing display method according to an embodiment of the present invention；

Fig. 7 is preferred a kind of flow chart of splicing display method according to embodiments of the present invention；

Fig. 8 is the schematic diagram of splicing display device according to an embodiment of the present invention；

Fig. 9 is preferred a kind of schematic diagram of splicing display device according to embodiments of the present invention.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.

In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein.In addition, term " includes " and " tool Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.

In its most basic configuration, Fig. 1 is the structural schematic diagram of splice displaying system according to an embodiment of the present invention.Out In the purpose of description, the architecture drawn is only an example of proper environment, not to the use scope of the application or function It can propose any limitation.Also the computing system should not be construed to any component shown in FIG. 1 or combinations thereof have it is any according to Bad or demand.

As shown in Figure 1, splice displaying system provided by the present application includes: display screen, master controller 12.

Wherein, display screen, display screen are at least connected in series with each other by two display units, and each display unit is right There should be master controller, for showing the image information from the master controller；Master controller 12, corresponding display unit connect Connect, for obtain the display unit being serially connected quantity, resolution parameter and display unit and other display unit it is opposite Position, and according to the display unit quantity of corresponding display unit, the resolution parameter of display unit and relative position, it is right The image information of input is cut to obtain partial picture information.

Analysis is it is found that contain a master controller in each display unit.When display unit and other display unit When being connected in series with each other, current display unit obtains the display list being serially connected by the first corresponding master controller respectively It is the total quantity of member, opposite with the resolution parameter of its display unit being serially connected and the display unit and other display unit Position.

First master controller corresponding to current display unit with current display unit according to being serially connected of getting The resolution parameter and current display unit and other display unit of other display unit are locating in the connection being serially connected The image information of input is sheared in relative position, is cut out suitable current display unit resolution ratio, and show with current The corresponding partial picture information in relative position locating for unit, it is aobvious for the current display unit corresponding to the first master controller Show.

Step provided by the above embodiments of the present application can be used on master controller 12, configure for each display unit One master controller.When more than two display units are serially connected, and in the case where being shown to an image information, currently First master controller of display passes through quantity, resolution parameter and display of the display being serially connected with it got Relative position locating for unit is sheared whole image information, is cut out corresponding whole with the display unit present position The partial picture information of body image information, and it is shown.

In practical applications, as shown in Fig. 2, with the display unit tiled display 1920* with 4 resolution ratio for 960*540 For 1080 picture, when above-mentioned 4 display units carry out being serially connected splicing in the method for 2*2, it is assumed that current display is single Relative position locating for member is upper right side, then the master controller of the display unit can read the quantity of series connection display unit It takes, the resolution ratio of other display unit be read out and the reading to relative position locating for the display, be calculated and work as Image-region shown by preceding display unit.The display image area for the local message that the current display unit should be shown is original painting Information x-axis the 961st pixel in face is to the 1920th pixel, the partial picture information of y-axis the 0th pixel to the 540th pixel region.

Preferably, in the scheme that the above embodiments of the present application provide, master controller 12 includes: first processor.

Wherein, first processor, for being sequentially allocated screen to current display unit according to the order of connection of display unit Coding.

By first processor, master controller is read out the order of connection for the display unit being serially connected, and according to The order of connection successively distributes corresponding screen coding to each display unit.

In practical application, or with the display unit tiled display 1920*1080 with 4 resolution ratio for 960*540 Picture for, the order of connection of 4 display units is obtained, and successively to these display unit allocated codes, by These coding, can the position more easily to this 4 display units be configured.

Preferably, in the above embodiments of the present application, master controller 12 includes: video input interface, video output interface.

Wherein, video input interface, video output interface, in the video input interface and series connection of current display unit A upper display unit video output interface be connected.It is used for transmission the image information shown for display unit.

Preferably, in the above embodiments of the present application, the video input interface and video output interface of master controller 12 include:

First sub-video input interface 1231, the second sub-video input interface 1233；First sub-video output interface 1251, Second sub-video output interface 1253.One video input interface and video output interface are another video input interface and view The spare interface of frequency output interface.

Above-mentioned two video input interface and two video output interfaces, pass through the corresponding master controller of each display unit Two video input interfaces and two video output interfaces can not be normally received when one of video input interface failure When image information, master controller can automatically switch to from another video input interface and obtain image information.Pass through two lines The method that road is backed up mutually can make tiled display have better stability.

Further, display unit can also by with its corresponding to master controller can be according to the connection being serially connected Mode judges the positional relationship for two display units in front and back being serially connected.When the first son view of previous display unit When frequency output interface is connected with the first sub-video input interface of second display unit, then First display unit and second Display unit carries out transversely arranged according to the sequencing of coding；When the first sub-video output interface of previous display unit When being connected with the second sub- sub-video input interface of second display unit, then First display unit and second display unit The longitudinal arrangement carried out according to the sequencing of coding.It, can be directly by the order of connection of cable, to screen by the above method The positional relationship of curtain is set.

Preferably, in the above embodiments of the present application, it includes: network interface that master controller, which includes 12,.

Wherein, network interface includes a networking input interface 1271 and a networking output interface 1273, network inputs Interface and networking output interface are for the information transmitting between display unit.

When the connection type mode being serially connected is that conducting wire connects, the corresponding master controller of each display unit is wrapped Include: a networking input interface and a networking output interface, networking input interface and networking output interface are used for display unit Between information transmitting.Wherein, information includes at least: network configuration information, position information of display unit, display unit model letter Breath, display unit resolution information.

In practical application, staff can directly pass through the network on the corresponding master controller of each display unit Input interface and networking output interface are configured or are managed to every display unit, to realize single to more displays The unified management of member and unified configuration.Each display unit can also pass through the network inputs on corresponding master controller Port and network output mouth are read out the information of other display unit, to realize the data between each display unit Interaction.

Preferably, in the above embodiments of the present application, each display unit is serially connected, and wherein connection type is conducting wire connection And/or it is wirelessly connected.

In practical application, the mode of conducting wire connection may include: HDMI wire connection, connection of DP line, VGA line connection etc. Connection type.Wireless connection may include: the connection types such as wifi connection, bluetooth connection.

Preferably, in the above embodiments of the present application, splice displaying system further include: memory.

Wherein, memory is connected with master controller 12, for store the model of existing display unit and with affiliated display it is single The corresponding type information of model and resolution information of member.

In memory, the parameter of the display units such as the type information of display unit, resolution parameter can store in master In controller, when multiple display units are serially connected, the first master controller corresponding to current display unit can pass through Networking input interface directly reads the storage in other master controllers, obtains display unit information and resolution information.

Further, when display unit dispatches from the factory, the every terms of information of existing all display units can be deposited to main control In device.When multiple display units are serially connected, the first master controller corresponding to current display unit only needs to pass through network Input interface directly reads the type information of the master controller of other display unit, and master controller can directly pass through inquiry storage The resolution information corresponding with the model in master controller.

Preferentially, in the above embodiments of the present application, if Fig. 3 is a kind of preferred tiled display according to an embodiment of the present invention The structural schematic diagram of system, as shown in figure 3, master controller 12 includes: image processor 129, display controller 131.

Wherein, image processor 129 are connected with master controller, the image for being shown to current display unit figure into Row processing；Display controller 131, is connected with master controller, for controlling to the image quality that current display unit is shown System.

In practical application, image processor 129, as shown in figure 4, image processor includes the decoding decryption to HDMI Control, image de interlacing and zoom function, the coding of HDMI and distribution, the functions such as interception of image, for display unit mould Block physical resolution is M*N, when input video resolution ratio is greater than M*N, the quasi- mode for taking interception video area to be shown, For example display unit module is 960*540, and when inputting resolution ratio is 1920*1080, if display image area is X (0-959), When Y (0-479), with the most upper left corner of effective image for (0,0) point, then it can be matched by interception coordinate of the network interface to image It sets with interception image in the display area of unit display module.It is corresponding when realizing that display unit module carries out being spliced into TV Real unit module show corresponding image-region, to form the region entirety input video of TV through digital visual interface It after HDMI carry out system, is decoded through HDMI, and after being able to carry out the decryption of HDCP, passes through the related letter for reading decoding video Breath, such as the frame per second of video, resolution ratio, if interlace signal carries out de interlacing processing to interlaced video signal, passes through de interlacing It is scaled accordingly by image zooming function afterwards, for example video is enlarged into 1920x1080, or scaling by other resolution ratio It is 1280x720 for resolution ratio, carries out carrying out image synchronization interception after scaling accordingly, the interception of image needs frame memory, together The coordinate of interception is walked by user configuration.In this series of module, video parameter reading, de interlacing are carried out by network interface The switch of function, the switch of image scaling and the target resolution of scaling configure the block coordinate etc. of image.In addition, HDMI After decoding and decryption, exported after being directly output to HDMI coding and HDCP encryption via programmable logic device.

In practical application, as shown in figure 5, display controller proposed by the present invention is mainly used for completing related LED electricity Depending on the data control and driving processing of panel.The video data of second part is from image processor output, the video data It is that actual displayed unit module needs whole region image to be shown, after synchronizing buffering via data buffer, is input to Data control core is handled, and carries out frame storage, and storage address is stored according to scheduled queueing discipline, while every The parameter of pixel single point correction is loaded when subsystem powers on to frame memory, when carrying out single point correction due to pixel, each picture The corresponding one group of corresponding correction data of element, therefore data control core module one pixel data of every reading in frame memory, It is intended to read its corresponding correction data and makees pixel single point correction process so as to subsequent, for example, reads pixel data is RGB, then Reading its correction data is DLr, DLg, DLb.Since correction data only corresponds to the pixel of fixed physical position in LED television Point, and video pixel is to synchronize in real time, therefore similarly all correct powering on two frame memories of disposable load write-in Data, subsequent need to along with video data read corresponding position correction data, but video data constantly be written and It reads, the mode of ping-pong operation is used to carry out the switching of frame memory as unit of the field duration.After video data deposits reading from frame, Gamma correction is carried out first.Formula is as follows:

In above-mentioned formula, wherein x represents the tonal gradation of input pixel, and y is the pixel grey scale grade of output, and K is input The peak of pixel class, such as when 0-255 grades of gray scales, when K 255,0-1023 grades of gray scales, K is 1023 etc., and N is output picture The peak of plain grade.Pixel RGB is such as inputted, when monochrome is 10bit, i.e. 0-1023 grades of gray scale, output RGB sub-pix monochrome When 16bit, i.e. 0-65535 grades of gray scale, then K is 1023, N 65535.After gamma transformation, pixel single-point school is then carried out Positive processing, the Matrix Formula of calculating are as follows:

R_out=R_in*D_RL_R+G_in*D_GL_R+B_in*D_BL_R

G_out=R_in*D_RL_G+G_in*D_GL_G+B_in*D_BL_G

B_out=R_in*D_RL_B+G_in*D_GL_B+B_in*D_BL_B

Wherein D_RL_R, D_GL_R, D_BL_RFor the correction coefficient of sub-pix red, and so on, there is the sub-pix school of green, blue The red of correction data, each output pixel has the red of input, green, blue be corrected after coefficient weighting carry out colour mixture and At.After carrying out single point correction, brightness adjustment is carried out:

R_out=R_in*R_coe

G_out=G_in*G_coe

B_out=B_in*B_coe

In above-mentioned formula, wherein B_coe, G_coe, R_coeFor brightness adjustment coefficient, correspond to blue, green, red brightness Regulation coefficient.The brightness of full screen is adjusted by adjusting corresponding coefficient.It enters finally into LED particle and carries out LED light Lighting driving.The display unit module proposed by the present invention that is related to is the key that building LED television major part, point of LED television Resolution can realize the LED television device of its integral multiple physical resolution by the way of basic display unit splicing.Such as display Unit module is 960*540, then can realize the LED display of 1920x1080 physical resolution by way of 2*2.

Preferably, in the above embodiments of the present application, above system can be applied in light-emitting diode display.

Preferably, in the above embodiments of the present application, above system can be applied in television set.

Key point of the invention is to realize splice displaying system, using each of basic display unit realization seamless spliced type The television equipment method of kind of resolution ratio is, it can be achieved that high definition, the LED television method of high clear 4K*2K and its above resolution ratio, simultaneously The system schema of basic display unit is also the important key point of the present invention.

The embodiment of the invention provides a kind of splicing display methods.

Fig. 6 is the flow chart of splicing display method according to an embodiment of the present invention.As shown in fig. 6,

Step S102, the first master controller obtain the display unit quantity that is serially connected, and wherein display unit quantity is at least It is two, and each display unit corresponds to a master controller.

In above-mentioned steps S102, a master controller is contained in each display unit.When display unit is aobvious with other When showing that unit is connected in series with each other, the first master controller corresponding to current display unit obtains the display unit being serially connected Total quantity.

Step S104, the first master controller obtain the resolution parameter for the display unit being serially connected.

In above-mentioned steps S104, corresponding first master controller of current display unit obtains the display list being serially connected with it The resolution parameter of member.

Step S106, the first master controller obtain the phase of the first master controller corresponding display unit and other display unit To position.

In above-mentioned steps S106, corresponding first master controller of current display unit obtains current display unit and other are aobvious Show unit relative position locating in the connection being serially connected.

Step S108, the first master controller is according to the quantity of corresponding display unit, resolution parameter and opposite position It sets, the image information of input is cut to obtain partial picture information, wherein partial picture information is used in the first main control Display unit corresponding to device is shown.

In above-mentioned steps S108, the first master controller corresponding to current display unit is shown according to what is got with current The resolution parameter and current display unit and other display unit for the other display unit that unit is serially connected are being serially connected Connection in locating relative position, the image information of input is sheared, suitable current display unit resolution ratio is cut out , and partial picture information corresponding with relative position locating for current display unit, for corresponding to the first master controller Current display unit show.

According to above-mentioned steps S102 to step S108, a master controller is configured for each display unit.Work as two or more Display unit is serially connected, and in the case where showing to an image information, and the first master controller of present displays is logical Relative position locating for quantity, resolution parameter and display unit of the display being serially connected with it got is crossed, it is right Whole image information is sheared, and the partial picture letter of total painting surface information corresponding with the display unit present position is cut out Breath, and it is shown.

Preferably, Fig. 7 is preferred a kind of flow chart of splicing display method according to embodiments of the present invention.The embodiment Splicing display method can be a kind of preferred embodiment of the splicing display method of above-described embodiment.As shown in fig. 7, the application In above-described embodiment, may include: when obtaining the display unit quantity being serially connected in the first master controller of step S102

Step S1021 obtains the order of connection of display unit.

Step S1023 is sequentially allocated screen coding to current display unit according to the order of connection.

In above-mentioned steps S1021 and step S1023, master controller carries out the order of connection for the display unit being serially connected It reads, and successively distributes corresponding screen coding to each display unit according to the order of connection.

Preferably, in the above embodiments of the present application, it is corresponding that the first master controller is obtained in the first master controller of step S106 Display unit and other display unit relative position when, wherein the corresponding master controller of each display unit includes One sub-video input interface, the second sub-video input interface, the first sub-video output interface, the feelings of the second sub-video output interface Under condition, step further include:

Step S1061, the first master controller according to two video inputs of master controller corresponding with other display unit, The connection type of video output interface judges the relative position of display unit.

Step S1063, when the first sub-video input interface and the previous display unit being serially connected of display unit When first sub-video output interface is connected, then judge that display unit and mutual concatenated previous display unit are according to screen coding Sequencing carry out it is transversely arranged.

Step S1065, when the first sub-video input interface and the previous display unit being serially connected of display unit When second sub-video output interface is connected, then judge that display unit and mutual concatenated previous display unit are according to screen coding Sequencing carries out longitudinal arrangement.

Above-mentioned steps S1061 is into step S1065, and there are two video is defeated for master controller corresponding with each display unit Incoming interface and two video output interfaces, they be respectively the first sub-video input interface and the second sub-video input interface and First sub-video output interface and the second sub-video output interface.Master controller corresponding to display unit can be according to mutual string The connection type of connection judges the positional relationship for two display units in front and back being serially connected.When previous display unit When first sub-video output interface is connected with the first sub-video input interface of second display unit, then First display unit With second display unit according to coding sequencing carry out it is transversely arranged；When the first sub-video of previous display unit When output interface is connected with the second sub-video input interface of second display unit, then First display unit and second are aobvious Show the longitudinal arrangement that unit is carried out according to the sequencing of coding.It, can be directly suitable by the connection of cable by the above method Sequence sets the positional relationship of screen.

Preferably, in the above embodiments of the present application, method further include:

Step S1091, the video input interface for obtaining display unit receive the state of image information.

Step S1093 then switches and uses the when the first sub-video input interface of display unit receives image information failure Two sub-video input interfaces receive image information.

It is defeated by two videos of the corresponding master controller of each display unit in above-mentioned steps S1091 and step S1093 Incoming interface and two video output interfaces, it is main when can not normally receive image information when one of video input interface failure Controller can automatically switch to from another video input interface and obtain image information.The side backed up mutually by two lines road Method can make tiled display have better stability.

Preferably, in the above embodiments of the present application, the display list being serially connected is obtained in the first master controller of step S104 Can also include: when the resolution parameter of member

Step S1041 reads the concatenated display of display unit corresponding with the first master controller by networking input interface The resolution parameter of unit.

In above-mentioned steps S1041, the parameter of the display units such as type information, resolution parameter of display unit can be deposited Storage is in master controller, and when multiple display units are serially connected, the first master controller corresponding to current display unit can To directly read the storage in other master controllers by networking input interface, display unit information and resolution information are obtained.

The embodiment of the invention also provides a kind of splicing display devices.It should be noted that the splicing of the embodiment of the present invention Display device can be used for executing splicing display method provided by the embodiment of the present invention, the tiled display side of the embodiment of the present invention Method can also through the embodiment of the present invention provided by splicing display device execute.

Fig. 8 is the schematic diagram of splicing display device according to an embodiment of the present invention.As shown in figure 8, the splicing display device, It is characterised by comprising: first obtains the acquisition of module 202, second module 204, third obtains module 206, image processing module 208。

Wherein, first module 202 is obtained, obtains the display unit quantity being serially connected for the first master controller, wherein Display unit quantity at least two, and each display unit corresponds to a master controller.

It is obtained in module 202 above-mentioned first, a master controller is contained in each display unit.Work as display unit When being connected in series with each other with other display unit, the acquisition of the first master controller corresponding to current display unit is serially connected aobvious Show the total quantity of unit.

Second obtains module 204, and the resolution parameter for the display unit being serially connected is obtained for the first master controller.

It is obtained in module 204 above-mentioned second, the corresponding first master controller acquisition of current display unit is mutually gone here and there with it The resolution parameter of the display unit of connection.

Third obtains module 206, obtains the corresponding display unit of the first master controller and other for the first master controller The relative position of display unit.

It is obtained in module 206 in above-mentioned third, it is single that corresponding first master controller of current display unit obtains current display First and other display unit relative position locating in the connection being serially connected.

Image processing module 208, for the first master controller according to the display unit quantity of corresponding display unit, The resolution parameter of display unit and relative position are cut to obtain partial picture information to the image information of input, wherein Partial picture information is shown for the display unit corresponding to the first master controller.

In above-mentioned image processing module 208, the first master controller corresponding to current display unit is according to getting The resolution parameter and current display unit and other display unit for the other display unit being serially connected with current display unit Locating relative position, shears the image information of input in the connection being serially connected, and is cut out and is suitble to current display Cell resolution, and partial picture information corresponding with relative position locating for current display unit, in the first master control Current display unit corresponding to device processed is shown.

Module 202, second, which is obtained, according to above-mentioned first obtains module 204, third acquisition module 206, image processing module 208, a master controller is configured for each display unit.Believe when more than two display units are serially connected, and to a picture In the case that breath is shown, the first master controller of present displays passes through the display being serially connected with it got Whole image information is sheared in relative position locating for quantity, resolution parameter and the display unit, is cut out and is somebody's turn to do Display unit present position corresponds to the partial picture information of total painting surface information, and shows to it.

Preferably, Fig. 9 is preferred a kind of schematic diagram of splicing display device according to embodiments of the present invention.The embodiment Splicing display device can be a kind of preferred embodiment of the splicing display device of above-described embodiment.As shown in figure 9, the application In above-described embodiment, the first acquisition module 202 may include: the first sub-acquisition module 2021, distribution module 2023.

Wherein, the first sub-acquisition module 2021, for obtaining the order of connection of display unit.

Distribution module 2023, for being sequentially allocated screen coding to current display unit according to the order of connection.

In above-mentioned first sub-acquisition module 2021, distribution module 2023, master controller is to the display unit being serially connected The order of connection is read out, and successively distributes corresponding screen coding to each display unit according to the order of connection.

Preferably, in the above embodiments of the present application, it includes: judgment module that third, which obtains module 206,.

Wherein, judgment module, for including that the input of the first sub-video connects in the corresponding master controller of each display unit In the case where mouth, the second sub-video input interface, the first sub-video output interface, the second sub-video output interface, the first master control Device processed judges display according to two video inputs of master controller corresponding with other display unit, the connection type of output interface The relative position of unit.

When the first sub-video input interface and the first sub-video of previous display unit being serially connected of display unit When output interface is connected, then judge that display unit with previous display unit being serially connected is according to the successive suitable of screen coding Sequence carries out transversely arranged；

When the first sub-video input interface and the second sub-video of previous display unit being serially connected of display unit When output interface is connected, then judge display unit and mutual concatenated previous display unit be according to screen coding sequencing into Row longitudinal arrangement.

In above-mentioned judgment module, there are two video input interface and two for master controller corresponding with each display unit A video output interface, they are the first sub-video input interface and the second sub-video input interface and the first sub-video respectively Output interface and the second sub-video output interface.Master controller corresponding to display unit can be according to the connection side being serially connected Formula judges the positional relationship for two display units in front and back being serially connected.When the first sub-video of previous display unit When output interface is connected with the first sub-video input interface of second display unit, then First display unit and second are aobvious It is transversely arranged to show that unit is carried out according to the sequencing of coding；When previous display unit the first sub-video output interface with When second sub-video input interface of second display unit is connected, then First display unit and second display unit according to The longitudinal arrangement that the sequencing of coding carries out.It, can be directly by the order of connection of cable, to screen by above-mentioned apparatus Positional relationship is set.

Preferably, in the above embodiments of the present application, device further include: the second sub-acquisition module, switching module.

Wherein, the second sub-acquisition module, the video input interface for obtaining display unit receive the state of image information；

Switching module receives image information failure for the first sub-video input interface when display unit, then switching makes Image information is received with the second sub-video input interface.

In above-mentioned second sub-acquisition module, switching module, pass through two of the corresponding master controller of each display unit Video input interface and two video output interfaces can not normally receive picture letter when one of video input interface failure When breath, master controller can automatically switch to from another video input interface and obtain image information.It is mutual by two lines road The method of backup can make tiled display have better stability.

Preferably, in the above embodiments of the present application, what each display unit can be connected and/or be wirelessly connected by conducting wire Connection type is serially connected, when the connection type being serially connected is that conducting wire connects, the corresponding master controller of each display unit It include: network module.

Wherein, network module, network module include a networking input interface and a networking output interface, network module For the information transmitting between display unit；Wherein, information includes at least: network configuration information, position information of display unit, display Unit type information, display unit resolution information.

In above-mentioned network module, when the connection type mode being serially connected is that conducting wire connects, each display unit pair The master controller answered includes: a networking input interface and a networking output interface, and networking input interface and network export Interface is used for the information transmitting between display unit.Wherein, information includes at least: network configuration information, position information of display unit, Display unit type information, display unit resolution information.

Further, in practical application, conducting wire connection mode may include: HDMI wire connection, connection of DP line, The connection types such as VGA line connection.Wireless connection may include: the connection types such as wifi connection, bluetooth connection.

Preferably, in the above embodiments of the present application, the second acquisition module 204 includes: third sub-acquisition module.

Wherein, third sub-acquisition module, for reading display corresponding with the first master controller by networking input interface The resolution parameter of the concatenated display unit of unit.

In above-mentioned third sub-acquisition module, the parameter of the display units such as type information, resolution parameter of display unit It can store in master controller, when multiple display units are serially connected, the first master control corresponding to current display unit Device processed can directly read the storage in other master controllers by networking input interface, obtain display unit information and resolution ratio Information.

In practical application, scheme proposed by the present invention can be applied to a kind of flexibly spliced LED television and show Device.LED television using several basic display units compositions, (basic display unit physical resolution be 960x480 or 640x360 etc. is realizing basic list such as pel spacing 1.2mm, 1.6mm etc. using the LED display technique of the small spacing of pixel Size is smaller when first display module).When LED television for realizing 1920x1080 physical resolution, using the physics point of 2x2 Resolution is that the basic display unit of 960*480 is flexibly spliced, and splicing is seamless, and the LED television for realizing 4Kx2K is aobvious When showing, the physical resolution of 4x4 is used to form for the basic display unit of 960*480 is seamless spliced, even for realization 4Kx1K LED television, 4x2 unit spliced can be used.

Assembly display methods, device and system proposed by the present invention, have great flexibility, can be determined according to user Demand processed realizes high definition, the display TV scheme of high clear or even non-standard clarity.Such as 4Kx2K, 8Kx4K etc., for big The TV demand of size can carry out in-site installation, flexible disassembly assembling, convenient transportation with basic display unit.

In above scheme specific implementation, as shown in figure 3, can be formed using basic display unit tiled display, often A display unit is an independent display body.The display unit is used for video input using the video interface of two-way HDMI1.4, The video input interface of two-way HDMI is one main one standby, and main road video input when something goes wrong, it is defeated to automatically switch to standby road video Enter.The mode of this backup is designed to provide the reliability of system, in addition has the interface input of 1 road network for configuring display The parameter of unit.The output of unit module also includes two-way digital interface HDMI and road network output, in order in unit mould When block cascades, interface may be implemented to the video information of interface and the transmitting of network configuration information.

Display unit module is broadly divided into two parts, and wherein first part is image processor and second part display control Device processed.As shown in figure 4, image processor proposed by the present invention includes the decoding decryption control to HDMI, image de interlacing and contracting Playing function, the coding of HDMI and distribution, the functions such as interception of image are M*N for display unit module physical resolution, When input video resolution ratio is greater than M*N, intend the mode for taking interception video area to be shown, for example display unit module is 960*540, when inputting resolution ratio is 1920*1080, if display image area is X (0-959), when Y (0-479), with effective The most upper left corner of image is (0,0) point, then can be configured by interception coordinate of the network interface to image with interception image in list The display area of first display module.When realizing that display unit module carries out being spliced into TV, corresponding real unit module is aobvious Show corresponding image-region, so that the region entirety input video for forming TV carries out system through digital visual interface such as HDMI Afterwards, it is decoded through HDMI, and after being able to carry out the decryption of HDCP, passes through the relevant information for reading decoding video, such as the frame of video Rate, resolution ratio, if interlace signal, to interlaced video signal carry out de interlacing processing, by after de interlacing by image scaling function It can be carried out corresponding scaling, for example video is enlarged into 1920x1080 by other resolution ratio, or is scaled resolution ratio and is 1280x720 carries out carrying out image synchronization interception after scaling accordingly, and the interception of image needs frame memory, the seat of synchronous interception Mark is by user configuration.In this series of module, video parameter reading is carried out by network interface, de-interlacing function is opened It closes, the switch of image scaling and the target resolution of scaling configure the block coordinate etc. of image.In addition, HDMI decoding and solution After close, exported after being directly output to HDMI coding and HDCP encryption via programmable logic device.

As shown in figure 5, display controller proposed by the present invention is mainly used for completing the control of the data in relation to LED television panel And driving processing.For the video data of second part from image processor output, which is actual displayed unit mould Block needs whole region image to be shown, after synchronizing buffering via data buffer, is input to the progress of data control core Processing, and frame storage is carried out, storage address is stored according to scheduled queueing discipline, while being loaded in each system electrification The parameter of pixel single point correction is to frame memory, and when carrying out single point correction due to pixel, corresponding one group of each pixel corresponding Correction data, therefore data control core module one pixel data of every reading in frame memory, are intended to read its corresponding school Correction data makees pixel single point correction process so as to subsequent, for example, reads pixel data is RGB, then to read its correction data For DLr, DLg, DLb.Since correction data only corresponds to the pixel of fixed physical position in LED television, and video pixel is same Step is real-time, therefore similarly whole correction datas, subsequent need are adjoint powering on two frame memories of disposable load write-in Video data read corresponding position correction data, but video data constantly be written with reading, using ping-pong operation Mode the switching of frame memory is carried out as unit of the field duration.After video data deposits reading from frame, progress gamma correction first. Formula is as follows:

In above-mentioned formula, wherein x represents the tonal gradation of input pixel, and y is the pixel grey scale grade of output, and K is input The peak of pixel class, such as when 0-255 grades of gray scales, when K 255,0-1023 grades of gray scales, K is 1023 etc., and N is output picture The peak of plain grade.Pixel RGB is such as inputted, when monochrome is 1 θ bit, i.e. 0-1023 grades of gray scale, output RGB sub-pix monochrome When 16bit, i.e. 0-65535 grades of gray scale, then K is 1023, N 65535.After gamma transformation, pixel single-point school is then carried out Positive processing, the Matrix Formula of calculating are as follows:

R_out=R_in*D_RL_R+G_in*D_GL_R+B_in*D_BL_R

G_out=R_in*D_RL_G+G_in*D_GL_G+B_in*D_BL_G

B_out=R_in*D_RL_B+G_in*D_GL_B+B_in*D_BL_B

R_out=R_in*R_coe

G_out=G_in*G_coe

B_out=B_in*B_coe

For splicing display method proposed by the present invention, device and system, its horizontal and vertical resolution can be flexibly realized The television equipment of any resolution ratio of rate integral multiple, is greatly convenient for the user to use, and realizes various Definition TVs The cost of device.

After multiple standard televisions splicing (display unit) at large size TV or video wall, software systems can be real It is existing:

1, automatic address distributes: master controller automatic can shake hands with each display unit, and unique for each unit distribution ID coding.

2, quickly guidance software can make operator complete the picture coordinate segmentation of each display unit and splice.

3, integrated embedded system and storage equipment record all factory and reorganize and outfit parameter.After assembling at the scene, without addressing Divide with picture, can come into operation at once

Key point of the invention is to realize splicing display method, device and system, using basic display unit realization nothing The television equipment method of the various resolution ratio of splice type is stitched, it can be achieved that high definition, the LED of high clear 4K*2K and its above resolution ratio TV method, while the system schema of basic display unit is also the epochmaking key point of the present invention.

It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because According to the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art should also know It knows, the embodiments described in the specification are all preferred embodiments, and related actions and modules is not necessarily of the invention It is necessary.

In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.

In several embodiments provided herein, it should be understood that disclosed device, it can be by another way It realizes.For example, the apparatus embodiments described above are merely exemplary, such as the division of the unit, it is only a kind of Logical function partition, there may be another division manner in actual implementation, such as multiple units or components can combine or can To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Coupling, direct-coupling or communication connection can be through some interfaces, the indirect coupling or communication connection of device or unit, It can be electrical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list Member both can take the form of hardware realization, can also realize in the form of software functional units.

If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words It embodies, which is stored in a storage medium, including some instructions are used so that a computer Equipment (can be personal computer, mobile terminal, server or network equipment etc.) executes side described in each embodiment of the present invention The all or part of the steps of method.And storage medium above-mentioned include: USB flash disk, read-only memory (ROM, Read-Only Memory), Random access memory (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. are various to be can store The medium of program code.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims

1. a kind of splicing display method characterized by comprising

First master controller obtains the display unit quantity being serially connected, wherein the display unit quantity at least two, and Each display unit corresponds to a master controller；

First master controller obtains other institutes that the display unit corresponding with first master controller is serially connected State the resolution parameter of display unit；

First master controller obtains the corresponding display unit of first master controller and other described display units Relative position；

The display unit quantity of first master controller according to the corresponding display unit, the display unit Resolution parameter and the relative position, the image information of input is cut to obtain and phase locating for the display unit Partial picture information corresponding to position, wherein the partial picture information is used for corresponding to first master controller The display unit is shown；

Wherein, each display unit is serially connected, and wherein connection type is that conducting wire is connected and/or is wirelessly connected；

Wherein, when the connection type being serially connected is that the conducting wire connects, each display unit is corresponding The master controller includes: a networking input interface and a networking output interface, the networking input interface and described Networking output interface is used for the information transmitting between the display unit；Wherein, the information includes at least: network configuration information, Position information of display unit, display unit type information, display unit resolution information.

2. method according to claim 1, which is characterized in that first master controller obtains the display being serially connected Element number includes:

Obtain the order of connection of the display unit；

According to the order of connection, screen coding is sequentially allocated to presently described display unit.

3. method according to claim 2, which is characterized in that first master controller obtains first master controller pair The relative position of the display unit and display unit described in other answered includes:

It include that the first sub-video input interface, the second sub-video are defeated in the corresponding master controller of each display unit In the case where incoming interface, the first sub-video output interface, the second sub-video output interface, first master controller according to institute The connection type of two video inputs, output interface of stating the corresponding master controller of other display unit judges the display The relative position of unit；

First sub-video input interface and the previous display unit being serially connected when the display unit First sub-video output interface when being connected, then judge the display unit with the previous display that is serially connected singly Member be carried out according to the sequencing of the screen coding it is transversely arranged；

First sub-video input interface and the previous display unit being serially connected when the display unit Second sub-video output interface when being connected, then judge the display unit with the previous display that is serially connected singly Member is to carry out longitudinal arrangement according to the screen coding sequencing.

4. method according to claim 3, which is characterized in that the method also includes:

The video input interface for obtaining the display unit receives the state of the image information；

Fail when first sub-video input interface of the display unit receives the image information, then switches described in use Second sub-video input interface receives the image information.

5. method according to claim 1, which is characterized in that the display being serially connected described in the first master controller acquisition The resolution parameter of unit includes:

By the networking input interface, it is concatenated described aobvious to read the display unit corresponding with first master controller Show the resolution parameter of unit.

6. a kind of splicing display device characterized by comprising

First obtains module, the display unit quantity being serially connected is obtained for the first master controller, wherein the display unit Quantity at least two, and each display unit corresponds to a master controller；

Second obtains module, obtains the display unit corresponding with first master controller for first master controller The resolution parameter for other display units being serially connected；

Third obtains module, for first master controller obtain the corresponding display unit of first master controller with The relative position of other display units；

Image processing module, for first master controller according to the display unit of the corresponding display unit Quantity, the resolution parameter of the display unit and the relative position, are cut to obtain and institute to the image information of input State the corresponding partial picture information in relative position locating for display unit, wherein the partial picture information is used for described the The display unit corresponding to one master controller is shown；

Wherein, the connection type that each display unit can be connected and/or be wirelessly connected by conducting wire is serially connected, in institute When to state the connection type that is serially connected be conducting wire connection, the corresponding master controller of each display unit is equal Include:

Network module, the network module include a networking input interface and a networking output interface, the network module For the information transmitting between the display unit；Wherein, the information includes at least: network configuration information, position of display unit Information, display unit type information, display unit resolution information.

7. device according to claim 6, which is characterized in that described first, which obtains module, includes:

First sub-acquisition module, for obtaining the order of connection of the display unit；

Distribution module, for being sequentially allocated screen coding to presently described display unit according to the order of connection.

8. device according to claim 7, which is characterized in that the third obtains module and includes:

Judgment module, for including that the input of the first sub-video connects in the corresponding master controller of each display unit In the case where mouth, the second sub-video input interface, the first sub-video output interface, the second sub-video output interface, described first Master controller is according to the connection of two video inputs, output interface of the master controller corresponding with the other display unit Mode judges the relative position of the display unit；

First sub-video input interface and the previous display unit being serially connected when the display unit First sub-video output interface when being connected, then judge the display unit and the previous display being serially connected singly Member be carried out according to the sequencing of the screen coding it is transversely arranged；

First sub-video input interface and the previous display unit being serially connected when the display unit Second sub-video output interface when being connected, then judge the display unit and the previous display being serially connected singly Member is to carry out longitudinal arrangement according to the screen coding sequencing.

9. device according to claim 8, which is characterized in that described device further include:

Second sub-acquisition module, the video input interface for obtaining the display unit receive the shape of the image information State；

Switching module receives the image information failure for first sub-video input interface when the display unit, Then switch and receives the image information using second sub-video input interface.

10. device according to claim 9, which is characterized in that described second obtains module further include:

Third sub-acquisition module, for reading corresponding with first master controller described by the networking input interface The resolution parameter of the concatenated display unit of display unit.

11. a kind of splice displaying system characterized by comprising

Display screen, the display screen are at least connected in series with each other by two display units, and each display unit is right There should be master controller, for showing the image information from the master controller；

Master controller, corresponding display unit connection, for obtaining the display unit being serially connected Quantity, the resolution parameter for other display units being serially connected with the display unit and the display unit and other The relative position of the display unit, and according to the display unit quantity of the corresponding display unit, described aobvious Show unit resolution parameter and the relative position, the image information of input is cut to obtain and the display unit institute The corresponding partial picture information in the relative position at place；

Wherein, when the connection type being serially connected is that the conducting wire connects, the master controller includes: that network connects Mouthful, wherein the network interface include a networking input interface and a networking output interface, the networking input interface and The networking output interface is used for the information transmitting between the display unit；Wherein, the information includes at least: network configuration letter Breath, position information of display unit, display unit type information, display unit resolution information.

12. system according to claim 11, which is characterized in that the main control includes:

First processor is sequentially allocated screen to presently described display unit for the order of connection according to the display unit and compiles Code.

13. system according to claim 11, which is characterized in that the main control includes:

Video input interface, video output interface, wherein the video input interface of presently described display unit and the company of series connection The video output interface of a upper display unit in connecing is connected, and is used for transmission the picture letter that the display unit is shown Breath.

14. 3 system according to claim 1, which is characterized in that the video input interface and the video output interface packet It includes:

First sub-video input interface, the second sub-video input interface, the first sub-video output interface, the output of the second sub-video connect Mouthful, wherein a video input interface and the video output interface export for another video input interface and video The spare interface of interface.

15. system according to claim 11, which is characterized in that the splice displaying system includes:

Memory, the memory are connected with the master controller, for store the existing display unit model and with institute State the corresponding resolution information of model of display unit.

16. system according to claim 11, which is characterized in that the master controller includes:

Image processor is connected with master controller, for handling the image that current display unit is shown；

Display controller is connected with master controller, and the image quality for showing to presently described display unit controls.