CN105282457B - A kind of splicing apparatus and its joining method of non-standard resolution display - Google Patents
A kind of splicing apparatus and its joining method of non-standard resolution display Download PDFInfo
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- CN105282457B CN105282457B CN201510667851.6A CN201510667851A CN105282457B CN 105282457 B CN105282457 B CN 105282457B CN 201510667851 A CN201510667851 A CN 201510667851A CN 105282457 B CN105282457 B CN 105282457B
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Abstract
The present invention provides a kind of splicing apparatus of non-standard resolution display, multiplex circuit is distributed including digital signal reception, main digital signal receives circuit, from digital signal receiving circuit, main signal resolution ratio identification circuit, from signal resolution identification circuit, host liquid crystal screen driving circuit, from liquid crystal display drive circuit, host liquid crystal screen and from liquid crystal display, wherein, the output end of the digital signal reception distribution multiplex circuit receives circuit with the main digital signal respectively, it is connected from the input terminal of digital signal receiving circuit, the output end that the main digital signal receives circuit is connect with the input terminal of the main signal resolution ratio identification circuit, the output end from digital signal receiving circuit is connect with the input terminal from signal resolution identification circuit.The present invention also provides a kind of joining methods of non-standard resolution display.The beneficial effects of the present invention are: solving the problems, such as non-standard resolution display splicing.
Description
Technical field
The present invention relates to the splicing apparatus of display splicing apparatus more particularly to a kind of non-standard resolution display and its
Joining method.
Background technique
Currently, with the rapid development of rail traffic and public transit trade, it is aobvious to train and automobile mounted non-standard resolution ratio
Show that the requirement of device is also higher and higher, therefore new demand is proposed to Vehicular display device, one of them is aobvious with regard to criteria of right and wrong resolution ratio
Show device splicing.
The implementation of non-standard resolution display splicing function is every industrial embedded computer currently on the market
It exports picture signal and drives a non-standard resolution display, it is at high cost, and the synchronization between industrial embedded computer
It can not accomplish, not be display splicing truly.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of splicing apparatus of non-standard resolution display
And its joining method.
The present invention provides a kind of splicing apparatus of non-standard resolution display, including digital signal reception distribution multiplexing
Circuit, main digital signal receive circuit, from digital signal receiving circuit, main signal resolution ratio identification circuit, from signal resolution
Identification circuit, host liquid crystal screen driving circuit, from liquid crystal display drive circuit, host liquid crystal screen and from liquid crystal display, wherein the number letter
The output end for number receiving distribution multiplex circuit receives circuit, from the defeated of digital signal receiving circuit with the main digital signal respectively
Enter end connection, the input terminal of output end and the main signal resolution ratio identification circuit that the main digital signal receives circuit connects
It connects, the output end from digital signal receiving circuit is connect with the input terminal from signal resolution identification circuit, described
The output end of main signal resolution ratio identification circuit is connect with the input terminal of the host liquid crystal screen driving circuit, described from signal resolution
The output end of rate identification circuit is connect with described from the input terminal of liquid crystal display drive circuit, the host liquid crystal screen driving circuit it is defeated
Outlet is connect with the input terminal of the host liquid crystal screen, and the output end from liquid crystal display drive circuit is with described from the defeated of liquid crystal display
Enter end connection, the host liquid crystal screen driving circuit is connected from liquid crystal display drive circuit real time communication.
As a further improvement of the present invention, the splicing apparatus of the non-standard resolution display further includes digital picture
Signal input circuit, the input terminal of the data image signal input circuit and digital signal reception distribution multiplex circuit
Output end connection.
As a further improvement of the present invention, the model of the digital signal reception distribution multiplex circuit
PI3HDMI412AD。
As a further improvement of the present invention, the model STDP8028 of the host liquid crystal screen driving circuit.
As a further improvement of the present invention, the model STDP8028 from liquid crystal display drive circuit.
The present invention also provides a kind of joining methods of non-standard resolution display, using described in any of the above embodiments non-
The splicing apparatus of standard resolution display follows the steps below:
Digital signal reception distribution multiplex circuit exports the identical HDMI/DVI signal of two-way respectively, wherein being passed to master all the way
Liquid crystal display, another output are transmitted to from liquid crystal display；Host liquid crystal screen driving circuit, from liquid crystal display drive circuit to the HDMI/ of input
DVI data image signal is identified, is 3840 × 537 when the signal of input is not resolution ratio, signal is just scaled to 1920
× 537, and host liquid crystal screen is sent to the timing of resolution ratio 1920 × 1080, from liquid crystal display, it is differentiated when recognizing input signal
When rate is 3840 × 537, the host liquid crystal screen driving circuit of host liquid crystal screen only export the left-half of a width picture and with 1920 ×
1080 timing is sent to host liquid crystal screen, only exports the right half part of this width picture simultaneously from the slave liquid crystal display drive circuit of liquid crystal display
It is sent to 1920 × 1080 timing from liquid crystal display, completes splicing function.
The beneficial effects of the present invention are: through the above scheme, solving the problems, such as non-standard resolution display splicing.
Detailed description of the invention
Fig. 1 is a kind of hardware block diagram of the splicing apparatus of non-standard resolution display of the present invention.
Fig. 2 is a kind of flow chart of the joining method of non-standard resolution display of the present invention.
Specific embodiment
The present invention is further described for explanation and specific embodiment with reference to the accompanying drawing.
Fig. 1, the drawing reference numeral in 2 are as follows: digital signal reception distributes multiplex circuit 100；Main digital signal receives circuit 11；
From digital signal receiving circuit 21；Main signal resolution ratio identification circuit 12；From signal resolution identification circuit 22；Host liquid crystal screen drives
Dynamic circuit 13；From liquid crystal display drive circuit 23；Host liquid crystal screen 14；From liquid crystal display 24.
As shown in Figure 1, a kind of splicing apparatus of non-standard resolution display, including digital signal reception distribution multiplexing electricity
Road 100, main digital signal receive circuit 11, from digital signal receiving circuit 21, main signal resolution ratio identification circuit 12, from signal
Resolution ratio identification circuit 22, host liquid crystal screen driving circuit 13, from liquid crystal display drive circuit 23, host liquid crystal screen 14 and from liquid crystal display
24, wherein the output end of the digital signal reception distribution multiplex circuit 100 receives circuit with the main digital signal respectively
11, it is connected from the input terminal of digital signal receiving circuit 21, the output end of the main digital signal reception circuit 11 and the master
The input terminal of signal resolution identification circuit 12 connects, the output end from digital signal receiving circuit 21 and described from signal
The input terminal of resolution ratio identification circuit 22 connects, the output end and the host liquid crystal screen of the main signal resolution ratio identification circuit 12
The input terminal of driving circuit 13 connects, and the output end from signal resolution identification circuit 22 drives electricity from liquid crystal display with described
The input terminal on road 23 connects, and the output end of the host liquid crystal screen driving circuit 13 is connect with the input terminal of the host liquid crystal screen 14,
The output end from liquid crystal display drive circuit 23 is connect with the input terminal from liquid crystal display 24, the host liquid crystal screen driving electricity
Road 13 is connected from 23 real time communication of liquid crystal display drive circuit.
As shown in Figure 1, the splicing apparatus of the non-standard resolution display further includes data image signal input circuit,
The output end of the input terminal of the data image signal input circuit and digital signal reception distribution multiplex circuit 100 connects
It connects.
As shown in Figure 1, the model PI3HDMI412AD of the digital signal reception distribution multiplex circuit 100.
As shown in Figure 1, the model STDP8028 of the host liquid crystal screen driving circuit 14.
As shown in Figure 1, the model STDP8028 from liquid crystal display drive circuit 24.
As shown in Fig. 2, a kind of joining method of non-standard resolution display, signal source send HDMI/DVI(High
Definition Multimedia Interface/ Digital Visual Interface) picture signal is through digital picture
Signal input circuit, is passed to digital signal reception and distributes multiplex circuit 100, exports the identical HDMI/DVI(High of two-way respectively
Definition Multimedia Interface/ Digital Visual Interface) signal, wherein being passed to master all the way
Liquid crystal display 14, another output are transmitted to from liquid crystal display 24.Host liquid crystal screen driving circuit 13 is inputted from 23 Duis of liquid crystal display drive circuit
HDMI/DVI(High Definition Multimedia Interface/ Digital Visual Interface) number
Word picture signal identified, is 3840 × 537(host liquid crystal screen 14, from liquid crystal display 24 when the signal of input is not resolution ratio
Liquid crystal display resolution ratio is 1920 × 537, and under Splicing model, host liquid crystal screen 14 draws complete draw from the combination of liquid crystal display 24 display one
Face, the resolution ratio of this input signal are 3840 × 537), signal is just scaled to 1920 × 537, and with resolution ratio 1920 ×
Although 1080 timing be sent to host liquid crystal screen 14, from liquid crystal display 24(host liquid crystal screen 14, from the resolution ratio of liquid crystal display 24 be 1920
× 537, but it is that the liquid crystal display for being 1920 × 1080 by resolution ratio is cut, and sequential control circuit does not redesign,
So being transmitted to host liquid crystal screen 14, also must being 1920 × 1080 timing of resolution ratio from the signal of liquid crystal display 24, preceding 537 row be effective
Image to the 1080th row is invalid picture signal since the 538th row, host liquid crystal screen 14, before only showing from liquid crystal display 24
The signal of 537 rows), when recognizing input signal resolution ratio is 3840 × 537, the host liquid crystal screen driving circuit of host liquid crystal screen 14
The left-halfs of 13 one width pictures of output simultaneously with 1920 × 1080 timing are sent to host liquid crystal screen 14, from liquid crystal display 24 from
Liquid crystal display drive circuit 23 are exported the right half part of this width picture and are sent to 1920 × 1080 timing from liquid crystal display 24,
This completes splicing functions.Advocate peace and keeps real time communication during the work time from display, host liquid crystal screen 14, from liquid crystal display
24 open simultaneously backlight and simultaneously output signal, to guarantee host liquid crystal screen 14, show picture synchronization from liquid crystal display 24.With this original
It manages, the splicing function of two non-standard resolution displays not only may be implemented but also multiple non-standard resolution ratio may be implemented and is aobvious
Show the splicing function of device.
The splicing apparatus and its joining method of a kind of non-standard resolution display provided by the invention have following excellent
Point:
1, it can be realized the splicing function of non-standard display.
2, at low cost, easy to operate, to operator's no requirement (NR), be suitable for volume production.
3, it is mounted in train or automobile without specially designing car body interior wall construction.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (1)
1. a kind of joining method of non-standard resolution display, it is characterised in that: provide a kind of non-standard resolution display
Splicing apparatus, including digital signal reception distribution multiplex circuit, main digital signal receive circuit, from digital signal reception electricity
Road, main signal resolution ratio identification circuit drive electricity from signal resolution identification circuit, host liquid crystal screen driving circuit, from liquid crystal display
Road, host liquid crystal screen and from liquid crystal display, wherein the output end of the digital signal reception distribution multiplex circuit respectively with the main number
Word signal receiving circuit is connected from the input terminal of digital signal receiving circuit, and the main digital signal receives the output end of circuit
Connect with the input terminal of the main signal resolution ratio identification circuit, the output end from digital signal receiving circuit and it is described from
The input terminal of signal resolution identification circuit connects, the output end of the main signal resolution ratio identification circuit and the host liquid crystal screen
The input terminal of driving circuit connects, the output end from signal resolution identification circuit and described from liquid crystal display drive circuit
Input terminal connection, the output end of the host liquid crystal screen driving circuit is connect with the input terminal of the host liquid crystal screen, described from liquid crystal
The output end of screen driving circuit is connect with described from the input terminal of liquid crystal display, and the host liquid crystal screen driving circuit drives from liquid crystal display
Dynamic circuit real time communication connection, the splicing apparatus of the non-standard resolution display further include data image signal input electricity
The output end of road, the input terminal of the data image signal input circuit and digital signal reception distribution multiplex circuit connects
It connects, the model PI3HDMI412AD of the digital signal reception distribution multiplex circuit, the type of the host liquid crystal screen driving circuit
Number be STDP8028, the model STDP8028 from liquid crystal display drive circuit,
It is followed the steps below using the splicing apparatus of the non-standard resolution display:
Digital signal reception distribution multiplex circuit exports the identical HDMI/DVI signal of two-way respectively, wherein being passed to host liquid crystal all the way
Screen, another output are transmitted to from liquid crystal display；Host liquid crystal screen driving circuit, from liquid crystal display drive circuit to the HDMI/DVI number of input
Word picture signal is identified, is 3840 × 537 when the signal of input is not resolution ratio, signal is just scaled to 1920 × 537,
And host liquid crystal screen is sent to the timing of resolution ratio 1920 × 1080, from liquid crystal display, it is when recognizing input signal resolution ratio
When 3840 × 537, the host liquid crystal screen driving circuit of host liquid crystal screen exports the left-half of a width picture and only with 1920 × 1080
Timing be sent to host liquid crystal screen, from the slave liquid crystal display drive circuit of liquid crystal display only export this width picture right half part and with
1920 × 1080 timing is sent to from liquid crystal display, completes splicing function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667851.6A CN105282457B (en) | 2015-10-16 | 2015-10-16 | A kind of splicing apparatus and its joining method of non-standard resolution display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510667851.6A CN105282457B (en) | 2015-10-16 | 2015-10-16 | A kind of splicing apparatus and its joining method of non-standard resolution display |
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| Publication Number | Publication Date |
|---|---|
| CN105282457A CN105282457A (en) | 2016-01-27 |
| CN105282457B true CN105282457B (en) | 2019-03-26 |
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Citations (6)
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|---|---|---|---|---|
| CN101256762A (en) * | 2008-03-21 | 2008-09-03 | 广东威创视讯科技股份有限公司 | Multiple-screen splitting and jointing method and device |
| CN202677808U (en) * | 2012-04-05 | 2013-01-16 | 京东方科技集团股份有限公司 | Image display system and display unit |
| CN103021378A (en) * | 2012-12-25 | 2013-04-03 | 广东威创视讯科技股份有限公司 | Method and device for multi-screen mosaic display |
| CN104581057A (en) * | 2014-12-24 | 2015-04-29 | 深圳市创维群欣安防科技有限公司 | Loop-out splicing device, system and method for multi-screen signals |
| CN104935840A (en) * | 2015-06-10 | 2015-09-23 | 深圳市创维群欣安防科技有限公司 | Subtitle rolling display method of splicing display screen and system |
| CN104980699A (en) * | 2015-06-18 | 2015-10-14 | 青岛海信电器股份有限公司 | Tiled display system and image signal processing method and image signal processing device thereof |
-
2015
- 2015-10-16 CN CN201510667851.6A patent/CN105282457B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101256762A (en) * | 2008-03-21 | 2008-09-03 | 广东威创视讯科技股份有限公司 | Multiple-screen splitting and jointing method and device |
| CN202677808U (en) * | 2012-04-05 | 2013-01-16 | 京东方科技集团股份有限公司 | Image display system and display unit |
| CN103021378A (en) * | 2012-12-25 | 2013-04-03 | 广东威创视讯科技股份有限公司 | Method and device for multi-screen mosaic display |
| CN104581057A (en) * | 2014-12-24 | 2015-04-29 | 深圳市创维群欣安防科技有限公司 | Loop-out splicing device, system and method for multi-screen signals |
| CN104935840A (en) * | 2015-06-10 | 2015-09-23 | 深圳市创维群欣安防科技有限公司 | Subtitle rolling display method of splicing display screen and system |
| CN104980699A (en) * | 2015-06-18 | 2015-10-14 | 青岛海信电器股份有限公司 | Tiled display system and image signal processing method and image signal processing device thereof |
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| Publication number | Publication date |
|---|---|
| CN105282457A (en) | 2016-01-27 |
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