CN107358899A - A kind of the point screen device and method of the multiplexing based on LVDS transmission - Google Patents
A kind of the point screen device and method of the multiplexing based on LVDS transmission Download PDFInfo
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- CN107358899A CN107358899A CN201710757307.XA CN201710757307A CN107358899A CN 107358899 A CN107358899 A CN 107358899A CN 201710757307 A CN201710757307 A CN 201710757307A CN 107358899 A CN107358899 A CN 107358899A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
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Abstract
The invention provides a kind of point screen device of the multiplexing based on LVDS transmission, FPGA module including image data being converted into rgb signal, rgb interface, rgb signal turns the switching chip of LVDS signals, LVDS signal multiplexing chips, LVDS signals are converted into a bridging chip and display screen for screen signal, wherein, the input for the switching chip that the output end of the FPGA module turns LVDS signals by rgb interface with the rgb signal is connected, the output end that the rgb signal turns the switching chip of LVDS signals is connected with the input of the LVDS signal multiplexings chip, the output end of the LVDS signal multiplexings chip is connected with the input of the bridging chip.Present invention also offers a kind of point screen method of the multiplexing based on LVDS transmission.The beneficial effects of the invention are as follows：Can greatly improve needs a testing efficiency for the equipment of screen process.
Description
Technical field
The present invention relates to a screen device, more particularly to a kind of point screen device of multiplexing based on LVDS transmission and side
Method.
Background technology
As OLED screen constantly moves towards volume production, currently existing scheme is mainly that 1 signal generator removes one screen of test.It is existing
Scheme by FPGA produce rgb signal, by various bridge joint IC progress interface conversion, be mainly converted into MIPI, LVDS, EDP,
The high-speed interfaces such as VBO.
The test equipment of main flow is often merely able to 1 signal generator and goes an a little screen test, so have impact on test effect
Rate.
The content of the invention
In order to solve the problems of the prior art, the invention provides a kind of point screen of the multiplexing based on LVDS transmission
Apparatus and method.
It is converted into the invention provides a kind of point screen device of the multiplexing based on LVDS transmission, including image data
The FPGA module of rgb signal, rgb interface, rgb signal turn the switching chip of LVDS signals, LVDS signal multiplexings chip, by LVDS
Signal is converted into a bridging chip and display screen for screen signal, wherein, the output end of the FPGA module passes through rgb interface and institute
The input connection that rgb signal turns the switching chip of LVDS signals is stated, the rgb signal turns the defeated of the switching chip of LVDS signals
Go out end to be connected with the input of the LVDS signal multiplexings chip, output end and the bridge joint of the LVDS signal multiplexings chip
The input connection of chip, the output end of the bridging chip are connected with the display screen.
As a further improvement on the present invention, the display screen at least two, each corresponding institute of the display screen
State bridging chip.
As a further improvement on the present invention, the output end of the LVDS signal multiplexings chip respectively by LVDS interface with
The input connection of the bridging chip.
Present invention also offers a kind of point screen method of the multiplexing based on LVDS transmission, comprise the following steps：
S1, image data is converted into by rgb signal by FPGA module；
S2, by transferring, rgb signal is converted into LVDS signals by chip；
S3, by LVDS signal multiplexings chip divide LVDS signals to multichannel all the way, LVDS signals are multiplexed；
S4, LVDS signals are converted into by a screen signal by bridging chip；
S5, pass through a point screen for the multiple display screens of screen signal progress.
As a further improvement on the present invention, in step s 4, LVDS signals are converted into by MIPI letters by bridging chip
Number, EDP signals and VBO signals.
The beneficial effects of the invention are as follows：By such scheme, 1 same time point of signal generator is realized using signal multiplexing
Bright multiple screens, and can accomplish that same equipment goes to complete the point screen of multiple screens and communication, needs point can be greatly improved and shielded
The testing efficiency of the equipment of journey.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the point screen device of multiplexing based on LVDS transmission of the present invention.
Embodiment
The invention will be further described for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of point screen device of the multiplexing based on LVDS transmission, including image data is converted into
The FPGA module 101 of rgb signal（Field-Programmable Gate Array, i.e. field programmable gate array）, RGB connects
Mouth, rgb signal turn the switching chip 102 of LVDS signals, LVDS signal multiplexings chip 103（Low-Voltage
Differential Signaling, low-voltage differential signal）, LVDS signals are converted into the bridging chip 104 of screen signal
With display screen 105, wherein, the output end of the FPGA module 101 turns LVDS signals by rgb interface and the rgb signal
The input connection of switching chip 102, the rgb signal turn the output end of the switching chip 102 of LVDS signals and the LVDS
The input connection of signal multiplexing chip 103, output end and the bridging chip 104 of the LVDS signal multiplexings chip 103
Input connection, the output end of the bridging chip 104 is connected with the display screen 105, using LVDS signals progress image
The transmission of data, so reduce the signal attenuation in transmission way.
As shown in figure 1, the display screen 105 at least two, each corresponding bridge joint core of the display screen 105
Piece 104.
As shown in figure 1, the output end of the LVDS signal multiplexings chip 103 passes through LVDS interface and the bridge joint core respectively
The input connection of piece 104.
As shown in figure 1, a kind of point screen method of the multiplexing based on LVDS transmission, comprises the following steps：
S1, image data is converted into by rgb signal by FPGA module 101；
S2, by transferring, rgb signal is converted into LVDS signals progress high-speed transfer by chip 102, and figure is carried out using LVDS signals
As the transmission of data, the signal attenuation in transmission way is so reduced；
S3, by LVDS signal multiplexings chip 103 divide LVDS signals to multichannel all the way, LVDS signals are multiplexed；
S4, LVDS signals are converted into by a screen signal by bridging chip 104；
S5, pass through a point screen for the multiple display screens 105 of screen signal progress.
In step s 4, LVDS signals are converted into by MIPI signals, EDP signals and VBO signals by bridging chip 104,
Realize that 1 FPGA signal generator removes the N number of screen of same time point.
A kind of point screen device of multiplexing based on LVDS transmission provided by the invention has the characteristics that with method：
1. one point by LVDS interface progress rgb image data is more
2. again by LVDS interface, data are changed into the interface of LCM needs.
3. it can realize that a pcb board realizes the support of various display interfaces.
The point screen device and method of a kind of multiplexing based on LVDS transmission provided by the invention, by the way of signal multiplexing
To realize 1 signal generator while light N number of screen, and this scheme can accomplish that same equipment goes to complete the point screen of multiple screens
And communication, can greatly improve needs a power of the test for the equipment of screen process.A pcb board can be realized by this scheme in addition
Remove the LCD/OLED point screens of support distinct interface.
A kind of point screen device of multiplexing based on LVDS transmission provided by the invention has advantages below with method：
1. realizing 1 signal generator while lighting multiple screens, a screen quantity can be extended.
2. hardware resource is saved, by signal caused by a main FPGA with regard to the extensions of various display interfaces can be met.
The point screen device and method of a kind of multiplexing based on LVDS transmission provided by the invention, can be used GAMMA
The equipment such as automatic test, OTP, FLICKER test.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (5)
- A kind of 1. point screen device of the multiplexing based on LVDS transmission, it is characterised in that：Including image data is converted into RGB The FPGA module of signal, rgb interface, rgb signal turn the switching chip of LVDS signals, LVDS signal multiplexings chip, believe LVDS Number be converted into a bridging chip and display screen for screen signal, wherein, the output end of the FPGA module by rgb interface with it is described Rgb signal turns the input connection of the switching chip of LVDS signals, and the rgb signal turns the output of the switching chip of LVDS signals End is connected with the input of the LVDS signal multiplexings chip, the output end of the LVDS signal multiplexings chip and the bridge joint core The input connection of piece, the output end of the bridging chip are connected with the display screen.
- 2. the point screen device of the multiplexing according to claim 1 based on LVDS transmission, it is characterised in that：The display Screen at least two, each corresponding bridging chip of the display screen.
- 3. the point screen device of the multiplexing according to claim 2 based on LVDS transmission, it is characterised in that：The LVDS The output end of signal multiplexing chip is connected by LVDS interface with the input of the bridging chip respectively.
- A kind of 4. point screen method of the multiplexing based on LVDS transmission, it is characterised in that comprise the following steps：S1, image data is converted into by rgb signal by FPGA module；S2, by transferring, rgb signal is converted into LVDS signals by chip；S3, by LVDS signal multiplexings chip divide LVDS signals to multichannel all the way, LVDS signals are multiplexed；S4, LVDS signals are converted into by a screen signal by bridging chip；S5, pass through a point screen for the multiple display screens of screen signal progress.
- 5. the point screen device of the multiplexing according to claim 4 based on LVDS transmission, it is characterised in that：In step S4 In, LVDS signals are converted into by MIPI signals, EDP signals and VBO signals by bridging chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757307.XA CN107358899A (en) | 2017-08-29 | 2017-08-29 | A kind of the point screen device and method of the multiplexing based on LVDS transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710757307.XA CN107358899A (en) | 2017-08-29 | 2017-08-29 | A kind of the point screen device and method of the multiplexing based on LVDS transmission |
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| Publication Number | Publication Date |
|---|---|
| CN107358899A true CN107358899A (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710757307.XA Pending CN107358899A (en) | 2017-08-29 | 2017-08-29 | A kind of the point screen device and method of the multiplexing based on LVDS transmission |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111538469A (en) * | 2020-04-09 | 2020-08-14 | 苏州佳智彩光电科技有限公司 | Module signal generator based on multi-FPGA parallel output super-multipath signals |
| CN115359744A (en) * | 2022-08-16 | 2022-11-18 | 海的电子科技(苏州)有限公司 | Multi-channel MIPI module screen pointing method, device and storage medium |
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| CN205194301U (en) * | 2015-12-11 | 2016-04-27 | 蓝思科技（长沙）有限公司 | LCM drives liquid crystal display systems |
| CN207302586U (en) * | 2017-08-29 | 2018-05-01 | 深圳市佳彩光电科技有限公司 | A kind of point screen device of the multiplexing based on LVDS transmission |
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2017
- 2017-08-29 CN CN201710757307.XA patent/CN107358899A/en active Pending
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| US20110004710A1 (en) * | 2009-07-06 | 2011-01-06 | Ross John Stenfort | System, method, and computer program product for interfacing one or more storage devices with a plurality of bridge chips |
| CN202230715U (en) * | 2011-09-29 | 2012-05-23 | 深圳市雅视科技有限公司 | Universal testing device for LCM (Liquid Crystal Module) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111538469A (en) * | 2020-04-09 | 2020-08-14 | 苏州佳智彩光电科技有限公司 | Module signal generator based on multi-FPGA parallel output super-multipath signals |
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| CN115359744A (en) * | 2022-08-16 | 2022-11-18 | 海的电子科技(苏州)有限公司 | Multi-channel MIPI module screen pointing method, device and storage medium |
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Effective date of registration: 20191010 Address after: 215000 no.258, Yihe Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant after: SUZHOU JIAZHICAI OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 518000, Guangdong, Shenzhen, Qianhai Shenzhen Hong Kong cooperation zone in front of the Bay Road A building 201 room (settled in Shenzhen Qianhai business secretary Co., Ltd.) Applicant before: SHENZHEN GACI OPTOELECTRONICS TECHNOLOGY CO.,LTD. |
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Application publication date: 20171117 |