CN207217079U - Display drive apparatus and display device - Google Patents
Display drive apparatus and display device Download PDFInfo
- Publication number
- CN207217079U CN207217079U CN201721290578.0U CN201721290578U CN207217079U CN 207217079 U CN207217079 U CN 207217079U CN 201721290578 U CN201721290578 U CN 201721290578U CN 207217079 U CN207217079 U CN 207217079U
- Authority
- CN
- China
- Prior art keywords
- display
- drive apparatus
- data
- main control
- control chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The utility model discloses a kind of display drive apparatus, the display panel of multiple LED display units is included for driving, including：Video input interface, for receiving video data and order data；Video output interface, for forwarding video data and order data to the next stage display drive apparatus cascaded；Main control chip, for being intercepted according to order data by video data and the video data of interception being converted into digital pixel data and control signal and generation drive signal；Data output interface, drive signal is at least grouped all the way to multiple LED display units to export for drive signal to be carried out into packet transaction.The utility model also provides a kind of display device, without linkup transmit card on computers, card is received without connection on a display panel is substantial amounts of, and the species of required connecting line has also been reduced, so that also saving space while cost is reduced, system connection is simplified.
Description
Technical field
The utility model belongs to human-computer interaction technique field, is set more particularly, to a kind of display drive apparatus and display
It is standby.
Background technology
With advances in technology, various display screens are widely used.Display device and external equipment
Connection becomes more and more important.Light emitting diode (Light Emitting Diode, LED) display screen widely used at present leads to
Often include the display panel with LED light array and the drive device for applying drive signal to display panel.Drive device
Mainly include sending card and receive to block.When LED display is connected with computer (for example, PC (PC)), it is necessary to count
Calculation machine one end linkup transmit card, connected in display panel one end and receive card.Sending card packs the image information from computer
After be sent to reception card, receive and image procossing carried out after card unpacks to produce the drive signal for driving display panel.
Sending card mainly has two kinds in the market, and one kind is PCIE interfaces, can directly be inserted into desktop computer neck；In addition
One kind is autonomous device, is connected with HDMI wire and USB (Universal Serial Bus, USB) line with notebook
Connect.The sending card market price is higher, increases system cost, independent sending card can take larger space, and need such as
Miscellaneous connecting lines such as power line, USB data line, DVI lines and netting twine.On the other hand, may use in actual applications
Card is received to dozens or even hundreds of, and reception card is expensive, improves the cost of display screen.
Utility model content
The purpose of this utility model is to provide a kind of display drive apparatus and display device.
According to one side of the present utility model, there is provided a kind of display drive apparatus, for driving display panel, wherein, institute
Stating display panel includes multiple LED display units, and the display drive apparatus includes：
Video input interface, for receiving video data and order data；
Video output interface, for forwarding the video data and order data to the next stage display driving dress cascaded
Put；
Main control chip, it is connected with the video input interface, for being intercepted video data simultaneously according to order data
The video data of interception is converted into digital pixel data and control signal, and believed according to the digital pixel data and control
Number generation drive signal；
Data output interface, it is connected with the main control chip, for the drive signal to be carried out into packet transaction to export
Drive signal is at least grouped all the way to the multiple LED display unit.
Preferably, the video input interface and the video output interface include network interface or the more matchmakers of fine definition
Body interface HDMI.
Preferably, the order data includes the band load viewing area size of display drive apparatus.
Preferably, the digital pixel data includes 24 RGB datas.
Preferably, the main control chip includes：Receiving module, for being intercepted video data simultaneously according to order data
The video data of interception is converted into digital pixel data and control signal；Main control module, for according to the digital image prime number
Drive signal is generated according to control signal；Sending module, for by the video data and order data after interception transmit to
The next stage display drive apparatus of cascade.
Preferably, the receiving module includes HDMI receiver, and the sending module includes HDMI transmitters.
Preferably, the main control chip also includes gamma module, for being corrected processing to the digital pixel data
And the digital pixel data after correction is sent to main control module.
Preferably, the main control chip also includes synchronous DRAM, for storing digital pixel data and control
Signal processed.
Buffer, it is connected with the main control chip, is provided for buffering the drive signal, and by the drive signal of buffering
To data output interface.
Preferably, the buffer includes controllable No. eight buffers in direction.
Preferably, the display drive apparatus also includes：Power module, it is connected with the main control chip, for described
Main control chip is powered；Or be integrated in the main control chip, powered to the modules of the display drive apparatus.
According to another aspect of the present utility model, there is provided a kind of display device, including：Display panel, and it is described above
Display drive apparatus, the display drive apparatus is connected with the display panel.
Preferably, the display panel includes LED display panel, and the LED display panel, which has, is arranged to the more of array
Individual LED display unit, the driving display panel include the LED display unit of progressive scan LED display panel.
Display drive apparatus and display device provided by the utility model, by setting video input interface and video frequency output
Interface, and video data is intercepted according to order data using corresponding receiving module and changes the video data of interception
The video data after interception and order data are turned into digital pixel data and control signal, and using corresponding sending module
The next stage display drive apparatus of cascade is sent to, without linkup transmit card on computers, without connecting on a display panel
It is substantial amounts of to receive card, and the species of required connecting line has also been reduced so that also save sky while cost is reduced
Between, simplify system connection.
Brief description of the drawings
By the description to the utility model embodiment referring to the drawings, of the present utility model above-mentioned and other mesh
, feature and advantage will be apparent from, in the accompanying drawings：
Fig. 1 shows the structural representation of the display drive apparatus according to the utility model embodiment；
Fig. 2 shows the structural representation of main control chip in the display drive apparatus according to the utility model embodiment；
Fig. 3 shows the structural representation of the display device according to the utility model embodiment.
Embodiment
Various embodiments of the present utility model are more fully described hereinafter with reference to accompanying drawing.In various figures, identical
Element is represented using same or similar reference.For the sake of clarity, the various pieces in accompanying drawing are not drawn to paint
System.
The utility model can be presented in a variety of manners, some of examples explained below.
Fig. 1 shows the structural representation of the display drive apparatus according to the utility model embodiment.The display driving
Device 100 is used to drive display panel 200, wherein, the display panel 200 includes multiple LED display unit 201-20n.Such as
Shown in Fig. 1, the display drive apparatus 100 includes video input interface 101, video output interface 102, the and of main control chip 103
Data output interface 104.
Video input interface 101 is used to receive video data and order data.
In the present embodiment, video input interface 101 can be network interface or HDMI.Wherein, order data example
Such as band including display drive apparatus carries viewing area size, output digital pixel data always organizes number, the scanning side of display panel
Formula (such as the row of single pass 8 or 16 rows etc.) and wide high, the scanning number of the pixel of display panel, scanning decoded mode, driving
Mode, data group number and cabling mode etc. information.
Video output interface 102 is used to forward the video data and order data to the next stage display driving dress cascaded
Put.
In the present embodiment, video output interface 102 can be network interface or HDMI.
Main control chip 103 is connected with the video input interface 101, for being cut video data according to order data
Take and the video data of interception is converted into digital pixel data and control signal, and according to the digital pixel data and control
Signal generation drive signal processed.
In the present embodiment, digital pixel data is for example including 24 RGBs (Red Green Blue, RGB) data,
Control signal is for example including frame synchronizing signal, line synchronising signal or row synchronizing signal.
Data output interface 104 is connected with the main control chip 103, for by the drive signal carry out packet transaction with
Output is at least grouped drive signal to the multiple LED display unit all the way.
In a preferred embodiment, the display drive apparatus also includes buffer 105, for buffering the driving
Signal, and the drive signal of buffering is supplied to data output interface.
In the present embodiment, buffer 105 can be controllable No. eight buffers in direction, such as 74HC245 buffers,
It can be connected to the output end of main control chip 103 to buffer the drive signal and the drive signal of buffering is supplied into data
Output interface 104.The presence of buffer 105 can protect main control chip 103, and increase driving force.
The drive signal that main control chip 103 exports also is transformed into the level of the display panel by the buffer 105.It is main
The output voltage for controlling chip 103 is usually less than the level driven needed for LED display unit.Typically, main control chip 103 is defeated
Enter/export (I/O) interface and be generally 3.3V, and drive LED display unit to need 5V voltage.Therefore need main control chip
5V high level is arrived in the 3.3V high level lifting of 103 outputs.
In a preferred embodiment, the display drive apparatus also includes power module 106 and the main control chip
103 connections, for being powered to the main control chip 103.
In the present embodiment, power module 106 can be DC-to-dc (DC-DC) power module.Power module 106 is not
It is confined to be arranged on the periphery of main control chip 103, can also be integrated in main control chip 103.Power module 106 can also be aobvious
Show other module for power supply of drive device.
Due to network interface and HDMI be on computer commonly use video interface, the presence of video input interface 101
Display drive apparatus 100 is directly connected with the computer commonly used on the market by network interface or HDMI, and
Without linkup transmit card on computers, the configuration of main control chip 103 receives card without connection on a display panel is substantial amounts of,
And the species of required connecting line has also been reduced.Display driving, this reality are realized with blocking conventionally by sending card and reception
Cost is reduced with the display drive apparatus of new embodiment, while also saves space, simplifies connection.
Fig. 2 shows the structural representation of main control chip in the display drive apparatus according to the utility model embodiment.Such as
Shown in Fig. 2, the main control chip 103 includes receiving module 1031, main control module 1032 and sending module 1033.
Wherein, receiving module 1031 is used to be intercepted video data and by the video data of interception according to order data
It is converted into digital pixel data and control signal.
In the present embodiment, the receiving module includes HDMI receiver.Digital pixel data is for example red green including 24
Blue (Red Green Blue, RGB) data and, control signal is for example including frame synchronizing signal, line synchronising signal or the synchronous letter of row
Number.
Main control module 1032 is used to generate drive signal according to the digital pixel data and control signal.
In the present embodiment, for LED display panel, main control module 1032 can be according in LED display panel
Quantity, data wire quantity and the scan line quantity of LED display unit, corresponding LED display unit, example are sent to by RGB data
The first row serial data such as can be first sent, lights the LED display unit of the first row, the second row serial data is retransmited, lights
The LED display unit of second row, by that analogy, until complete to last column LED display unit send display data with by its
Light, complete the display of a two field picture.
Sending module 1033 is used to transmit the video data and order data after interception to the next stage of cascade to show
Show drive device.
In the present embodiment, the sending module includes HDMI transmitters.Sending module 1033 is by except the video counts of interception
Outer remaining video data and order data are transmitted to the next stage display drive apparatus of cascade according to this.
In a preferred embodiment, the main control chip 103 also includes gamma module 1034, for the numeral
Pixel data, which is corrected, to be handled and sends the digital pixel data after correction to main control module 1033.
In a preferred embodiment, the main control chip 103 also includes synchronous DRAM DDR1035,
For storing digital pixel data and control signal.
Fig. 3 shows the structural representation of the display device provided according to the utility model embodiment.It is as shown in figure 3, aobvious
Show that equipment includes display drive apparatus 100 described above and display panel 200.
In this example it is shown that panel 200 is LED display panel, including the display unit of m × n arrays is arranged to,
Wherein m and n is the integer more than 1, and m represents line number, and n represents columns.Display drive apparatus 100 can be according to LED display surfaces
The quantity of LED display unit, data wire quantity and scan line quantity on plate 200, RGB data is sent to corresponding LED and shown
Unit, such as the first row serial data can be first sent, LED display unit LED11, the LED12 ... of the first row are lighted,
LED1n, the second row serial data is retransmited, the LED display unit LED21, LED22 ..., LED2n of the second row are lighted, with this
Analogize, until completing to last column LED display unit LEDm1, LEDm2 ..., LEDmn send display data to be lighted,
Complete the display of a two field picture.
Display drive apparatus provided by the utility model, by setting video input interface and video output interface, and profit
Video data is intercepted according to order data with corresponding receiving module and the video data of interception is converted into digital image
Prime number evidence and control signal, and the video data after interception and order data are forwarded to cascade using corresponding sending module
Next stage display drive apparatus, without linkup transmit card on computers, largely connect without connection on a display panel
Card is received, and the species of required connecting line has also been reduced so that also save space while cost is reduced, simplify
System connects.
According to embodiment of the present utility model as described above, these embodiments do not have all details of detailed descriptionthe,
Also it is only described specific embodiment not limit the utility model.Obviously, as described above, many modification and change can be made
Change.This specification is chosen and specifically describes these embodiments, is to preferably explain that principle of the present utility model and reality should
With so that skilled artisan can repairing using the utility model and on the basis of the utility model well
Change use.The scope of protection of the utility model should be defined by the scope that the utility model claims are defined.
Claims (13)
1. a kind of display drive apparatus, for driving display panel, wherein, the display panel includes multiple LED display units,
The display drive apparatus includes：
Video input interface, for receiving video data and order data；
Video output interface, for forwarding the video data and order data to the next stage display drive apparatus cascaded；
Main control chip, it is connected with the video input interface, for video data to be intercepted and will cut according to order data
The video data taken is converted into digital pixel data and control signal, and is given birth to according to the digital pixel data and control signal
Into drive signal；
Data output interface, it is connected with the main control chip, for the drive signal to be carried out into packet transaction to export at least
Drive signal is grouped all the way to the multiple LED display unit.
2. display drive apparatus according to claim 1, wherein, the video input interface and the video output interface
Include network interface or HDMI HDMI.
3. display drive apparatus according to claim 1, wherein, the band that the order data includes display drive apparatus carries
Viewing area size.
4. display drive apparatus according to claim 1, wherein, the digital pixel data includes 24 RGB datas.
5. display drive apparatus according to claim 1, the main control chip includes：
Receiving module, for video data being intercepted according to order data, and the video data of interception is converted into numeral
Pixel data and control signal；
Main control module, for generating drive signal according to the digital pixel data and control signal；
Sending module, for the video data and order data after interception to be transmitted to the next stage display driving dress of cascade
Put.
6. display drive apparatus according to claim 5, wherein, the receiving module includes HDMI receiver, the hair
Module is sent to include HDMI transmitters.
7. display drive apparatus according to claim 5, wherein, the main control chip also includes gamma module, for pair
The digital pixel data, which is corrected, to be handled and sends the digital pixel data after correction to main control module.
8. display drive apparatus according to claim 5, wherein, the main control chip also includes synchronous dynamic random and stored
Device, for storing digital pixel data and control signal.
9. display drive apparatus according to claim 1, wherein, in addition to：
Buffer, it is connected with the main control chip, number is supplied to for buffering the drive signal, and by the drive signal of buffering
According to output interface.
10. display drive apparatus according to claim 9, wherein, the buffer includes the controllable eight tunnels buffering in direction
Device.
11. display drive apparatus according to claim 1, wherein, in addition to：
Power module, it is connected with the main control chip, for being powered to the main control chip；
Or be integrated in the main control chip, powered to the modules of the display drive apparatus.
12. a kind of display device, including：Display panel, and the display driving according to any one of claim 1-11
Device, the display drive apparatus are connected with the display panel.
13. display device according to claim 12, wherein, the display panel includes LED display panel, the LED
Display panel has the multiple LED display units for being arranged to array, and the driving display panel includes progressive scan LED display surfaces
The LED display unit of plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721290578.0U CN207217079U (en) | 2017-09-30 | 2017-09-30 | Display drive apparatus and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721290578.0U CN207217079U (en) | 2017-09-30 | 2017-09-30 | Display drive apparatus and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217079U true CN207217079U (en) | 2018-04-10 |
Family
ID=61820722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721290578.0U Active CN207217079U (en) | 2017-09-30 | 2017-09-30 | Display drive apparatus and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217079U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256084A (en) * | 2018-10-29 | 2019-01-22 | 深圳市摩西尔电子有限公司 | It can cascade LED display control card, the cascade control method of realization and HDMI signal processing method |
| CN110853526A (en) * | 2019-11-21 | 2020-02-28 | 深圳市玖润光电科技有限公司 | Strip-shaped display screen |
| CN113205767A (en) * | 2021-04-29 | 2021-08-03 | 北京集创北方科技股份有限公司 | Data access adjustment method, display drive chip, electronic device, and storage medium |
| CN114038404A (en) * | 2021-11-17 | 2022-02-11 | 东莞阿尔泰显示技术有限公司 | Display data distribution method of improved display module |
| CN114512089A (en) * | 2020-11-16 | 2022-05-17 | 北京航天耐特科技有限公司 | Display control circuit, display control method, display module and display device |
-
2017
- 2017-09-30 CN CN201721290578.0U patent/CN207217079U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256084A (en) * | 2018-10-29 | 2019-01-22 | 深圳市摩西尔电子有限公司 | It can cascade LED display control card, the cascade control method of realization and HDMI signal processing method |
| CN109256084B (en) * | 2018-10-29 | 2023-11-14 | 深圳市摩西尔电子有限公司 | Cascade LED display screen control card, control method for realizing cascade connection and HDMI signal processing method |
| CN110853526A (en) * | 2019-11-21 | 2020-02-28 | 深圳市玖润光电科技有限公司 | Strip-shaped display screen |
| CN114512089A (en) * | 2020-11-16 | 2022-05-17 | 北京航天耐特科技有限公司 | Display control circuit, display control method, display module and display device |
| CN113205767A (en) * | 2021-04-29 | 2021-08-03 | 北京集创北方科技股份有限公司 | Data access adjustment method, display drive chip, electronic device, and storage medium |
| CN114038404A (en) * | 2021-11-17 | 2022-02-11 | 东莞阿尔泰显示技术有限公司 | Display data distribution method of improved display module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207217079U (en) | Display drive apparatus and display device | |
| US20060055641A1 (en) | Led billboard controller with integrated sign interface module | |
| CN104049812A (en) | Display signal input device, display signal input method and display system | |
| US10089947B2 (en) | Source driver, driving circuit and display apparatus | |
| CN102103826A (en) | Light emitting diode (LED) display screen splicing control system and LED display screen | |
| CN107315556A (en) | Display device | |
| CN102708842A (en) | Image processor for mosaic screen | |
| CN104092969A (en) | Television wall splicing system and method based on Display Port | |
| KR20160087879A (en) | Data transmission method, processor and terminal | |
| CN109300442A (en) | Display system and its electronic equipment | |
| CN109429016A (en) | Display control program | |
| CN102354478A (en) | Display device and pixel voltage driving method thereof | |
| CN104123915A (en) | LED smart glass display system unit and LED smart glass display system | |
| KR20160053600A (en) | Display driver ic and electronic device including display driver ic | |
| KR20220106927A (en) | Display apparatus and the control method thereof | |
| KR100881142B1 (en) | Led display apparatus | |
| CN108898985B (en) | Master-slave optical fiber video playing system | |
| US9563595B2 (en) | eDP interface and control method of transmission rate of eDP interface | |
| CN211928954U (en) | LED display panel with ring-out function and framework of LED display screen | |
| CN111913676A (en) | Control system and method of LED spliced screen and splicing processor | |
| CN204031327U (en) | Based on DisplayPort, realize the control device of video wall splicing | |
| WO2021016974A1 (en) | Data processing method, device and system, system controller and module controller | |
| CN206389459U (en) | Display drive apparatus and display device | |
| CN110113552A (en) | A kind of miniscope drive circuit system | |
| KR102504013B1 (en) | Display apparatus and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |