CN108091296A - A kind of display driver circuit, method and display device - Google Patents
A kind of display driver circuit, method and display device Download PDFInfo
- Publication number
- CN108091296A CN108091296A CN201810043872.4A CN201810043872A CN108091296A CN 108091296 A CN108091296 A CN 108091296A CN 201810043872 A CN201810043872 A CN 201810043872A CN 108091296 A CN108091296 A CN 108091296A
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- wiring
- display
- module
- backlight drive
- display driver
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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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
-
- 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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention belongs to show actuation techniques field, a kind of display driver circuit and display device are disclosed, the display driver circuit includes：Control module；First wiring group, first wiring group include at least one the first wiring, and the first end of every first wiring is connected with the control module；Backlight drive module, the backlight drive module are used to drive the display backlight；Second wiring group, second wiring group include at least one the second wiring being correspondingly arranged with first wiring, and the first end of every second wiring is connected with the backlight drive module；Configuration module, the configuration module include at least one connecting line, and the connecting line is used to dock the second end of first wiring and the second end of second wiring.The present invention has the characteristics that the display screen that simple in structure, at low cost, versatility is high, can support a variety of resolution ratio.
Description
Technical field
The invention belongs to show a kind of actuation techniques field more particularly to display driver circuit, method and display device.
Background technology
Resolution ratio：It is exactly the precision of screen picture, the number for the pixel that display can be shown is referred to.Due on screen
Point, line knead dough be all made of pixel, the displayable pixel of display is more, and picture is finer, same screen area
The information that domain interior energy is shown is also more, so resolution ratio is one of very important performance indicator.
For current display driver circuit, the display resolution supported all is usually fixed, right in production process
Different display driver circuits, the latter display driver circuit of production should be then needed to configure in the display screen of different resolution
It can only just support a kind of fixed resolution output image, match somebody with somebody when user needs the display screen of script configuration being changed to script
When the display screen put has the display screen of different resolution ratio, then due to the corresponding display driving electricity of the display screen of different resolution
Road is different, and user needs replacing the display mainboard with the corresponding display driver circuit of display screen with newly replacing and could complete
The normal use after display screen is replaced, shows the inconvenience that the versatility of mainboard is low, and user is caused to use.
Therefore, traditional display driver circuit is low there are versatility, the problem of can not supporting the display screen of a variety of resolution ratio.
The content of the invention
It is an object of the invention to provide a kind of display driver circuit, method and display devices, it is intended to solve traditional show
The problem of showing that versatility is low existing for driving circuit, can not supporting the display screen of a variety of resolution ratio.
The first aspect of the present invention is to propose a kind of display driver circuit, be connected with display screen, including：One control mould
Block；One first wiring group, first wiring group include at least one the first wiring, the first end of every first wiring with
The control module connection；One backlight drive module, the backlight drive module are used to drive the display backlight；One second
Wiring group, second wiring group include at least one the second wiring being correspondingly arranged with first wiring, every described the
The first end of two wiring is connected with the backlight drive module；One configuration module, the configuration module include at least one connection
Line, the connecting line are used to dock the second end of first wiring and the second end of second wiring；Wherein, the control
Molding block is used to be driven according to the corresponding resolution data of connection output to the backlight of the connecting line of the configuration module
Dynamic model block.
In a kind of optional mode, the control module includes：With the backlight drive module and first wiring
Group connection, for exporting the display driver element of the resolution data；It is connected with the display driver element, for storing
The storage unit of data.
In a kind of optional mode, the display driver element is display driver chip.
In a kind of optional mode, the model NT68865 of the display driver chip.
In a kind of optional mode, the storage unit includes storage chip.
The second aspect of the present invention is to propose a kind of display device, and the display device includes mainboard, backlight drive
Plate, configuration module and display screen, the mainboard are connected with the backlight drive board by the configuration module, the backlight drive
Plate is connected with the display screen；It is provided on the mainboard：One control module；With one first wiring group, first wiring group
Including at least one the first wiring, the first end of every first wiring is connected with the control module；The backlight drive
It is provided on plate：One backlight drive module, the backlight drive module are used for the control signal exported according to the control module
To drive the display backlight；With one second wiring group, second wiring group includes at least one and first wiring
The second wiring being correspondingly arranged, the first end of every second wiring are connected with the backlight drive module；The configuration mould
Block includes at least one connecting line, and the connecting line is used for second by the second end of first wiring and second wiring
End docking；The control module is used to export corresponding resolution data according to the connection of the connecting line of the configuration module
To the backlight drive module.
In a kind of optional mode, the control module includes：With the backlight drive module and first wiring
Group connection, for exporting the display driver element of the resolution data；It is connected with the display driver element, for storing
The storage unit of data.
In a kind of optional mode, the display driver element is display driver chip.
The third aspect of the present invention is to propose a kind of display drive method, and the display drive method is based on above-mentioned
Display driver circuit the described method comprises the following steps：The control module is according to the connection of the connecting line of the configuration module
Situation exports corresponding resolution data to the backlight drive module；The backlight drive module is according to the resolution data
Drive the display backlight.
In a kind of optional mode, the control module is exported according to the connection of the connecting line of the configuration module
Corresponding resolution data to the step of backlight drive module, specifically includes：Display driver element reads the configuration module
Connecting line connection and export call instruction；Storage unit receives the call instruction and exports corresponding resolution ratio number
According to the extremely display driver element；The display driver element exports the resolution data to the backlight drive module.
Above-mentioned display driver circuit and display device is connect more by setting to have on display mainboard and backlight drive board
Line (pin), the wiring group (terminal) that is mutually matched, and configured using configuration module according to the display screen of different resolution
The connection of two wiring groups so that the display screen of the different connection of connecting line and different resolution corresponds, control
Molding root tuber exports corresponding resolution data according to different connections, to adapt to support the display screen of different resolution.
Description of the drawings
Fig. 1 is a kind of circuit module schematic diagram of display driver circuit of one embodiment of the invention.
Fig. 2 is the structure diagram of one embodiment of the invention control module.
Fig. 3 is a kind of structure diagram of display device of one embodiment of the invention.
Fig. 4 is the first wiring of one embodiment of the invention and a kind of exemplary circuit schematic diagram of connection of the second wiring.
Fig. 5 is the first wiring of one embodiment of the invention and the exemplary circuit principle of another connection of the second wiring
Figure.
Fig. 6 is the first wiring of one embodiment of the invention and the exemplary circuit principle of another connection of the second wiring
Figure.
The flow diagram for the display drive method that Fig. 7 is provided by one embodiment of the invention.
Fig. 8 is the idiographic flow schematic diagram of the step S10 of display drive method shown in Fig. 7.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, display driver circuit in presently preferred embodiments of the present invention, is connected with display screen 16, including：Control mould
Block 11, the first wiring group 12, configuration module 13, the second wiring group 14 and backlight drive module 15.
First wiring group 12 includes at least one the first wiring, and first end and the control module 11 of every first wiring connect
It connects；Configuration module 13 includes at least one connecting line, and connecting line is by the second end of the first wiring and the second end pair of the second wiring
It connects；Second wiring group 14 includes at least one and first the second wiring that is correspondingly arranged of wiring, the first end of every second wiring
It is connected with backlight drive module 15；Control module 11 is used to be exported according to the connection of the connecting line of configuration module 13 corresponding
Resolution data is to backlight drive module 15；Backlight drive module 15 is used to drive 16 backlight of display screen.
In the present embodiment, the first end of the first wiring is fixedly connected by welding with control module 11, and second
The first end of wiring is fixedly connected by welding with control module 11.The connection of connecting line in configuration module 13
It can be actually needed and changed according to it by user, the display screen 16 of different resolution corresponds to different connecting lines and connects
Situation, when user replace be connected with backlight drive module 15 display screen 16 when, if replace after display screen 16 and replacement before
The resolution ratio of display screen 16 is different, then user need to only change the connection of connecting line.Traditional display driver circuit is only
It can support the display screen 16 with a kind of resolution ratio, versatility is relatively low, and the display driver circuit of the application can support a variety of points
The display screen 16 of resolution, versatility are high.
Above-mentioned display driver circuit, the first wiring group 12 include at least one the first wiring, and the second wiring group 14 includes
At least one the second wiring, the first end of every first wiring are fixedly connected with control module 11, and the of every second wiring
One end is fixedly connected with backlight drive module 15, and the first wiring is connected with the second wiring by connecting line.The difference of connecting line
The display screen 16 of connection and different resolution corresponds, and a kind of connection of connecting line corresponds to a kind of the aobvious of resolution ratio
Display screen 16, control module 11 export corresponding resolution data according to the connection of connecting line, can configure mould by changing
The connection of the connecting line of block 13 so that the display driver circuit can support the display screen 16 of a variety of resolution ratio.
Referring to Fig. 2, control module 11 includes display driver element 111 and storage unit 112.Display driver element 111
It is connected with 15 and first wiring group 12 of backlight drive module, for output resolution ratio data；Storage unit 112 and display driving are single
Member 111 connects, for storing data.
In the present embodiment, for the display screen 16 with different resolution, display driver element 111 exports and display screen
16 corresponding resolution datas are to backlight drive module 15.Display driver element 111 can be display driver chip.Display is driven
The model of dynamic chip can be NT68865.The display driver chip of display driver chip or other models, as long as can be real
Function now identical with the present invention.The log-on data and display that display driver element 111 is stored in storage unit 112 are joined
Number, display parameters include resolution data.
In the present embodiment, storage unit 112 includes storage chip, and display driver chip needs to configure parameter when starting,
The initialization of the I/O port of display driver chip is carried out, display driver chip reads log-on data, root from storage chip after the power is turned on
It completes to start according to log-on data.The display screen 16 of the resolution ratio of all supports of the display driver circuit is also stored in storage chip
Resolution data, control module 11 transfers accordingly according to the connection of the connecting line of configuration module 13 from memory module
Resolution data, then corresponding resolution data is exported to backlight drive module 15.
Referring to Fig. 3, display device includes mainboard 20, backlight drive board 30, configuration module 13 and display screen 16, mainboard 20
It is connected with backlight drive board 30 by configuration module 13, backlight drive board 30 is connected with display screen 16.
11 and first wiring group 12 of control module is provided on mainboard 20；First wiring group 12 includes at least one the first and connects
Line, the first end of every first wiring are connected with control module 11.It is provided on backlight drive board 30：Second wiring group 14 and the back of the body
Optical drive module 15；Second wiring group 14 includes at least one and first the second wiring that is correspondingly arranged of wiring, and every second connects
The first end of line is connected with backlight drive module 15；Backlight drive module 15 is used to drive 16 backlight of display screen.Configuration module 13
Including at least one connecting line, connecting line is used to dock the second end of the first wiring and the second end of the second wiring；Control mould
Block 11 is used to export corresponding resolution data to backlight drive module 15 according to the connection of the connecting line of configuration module 13.
Using above-mentioned display device, configured in the display screen 16 that the production link of display device need to be only different resolution
Corresponding connecting line can produce the product with different sizes or resolution ratio, can improve production efficiency, and can improve
Show the versatility of mainboard 20.
Fig. 4 to Fig. 6 is referred to, shows the company of 16 corresponding first wiring of display screen Yu the second wiring of different resolution
Connect situation, the first wiring group 12 includes eight wiring, and eight interfaces are corresponding with eight wiring, the second wiring group 14 include with
Eight wiring that first wiring group 12 is correspondingly arranged with eight pair of connecting wires with there is eight interfaces, for convenience of explanation, are only shown
The connection of interface.When the resolution ratio for being illustrated in figure 4 display screen 16 is 1920x1680, the in the first wiring group 12
The connection that one wiring is connected with the second wiring in the second wiring group 14 by connecting line；It is illustrated in figure 5 display screen 16
Resolution ratio when being 1920x1200, the first wiring in the first wiring group 12 passes through with the second wiring in the second wiring group 14
The connection of connecting line connection；When the resolution ratio for being illustrated in figure 6 display screen 16 is 1366x768, in the first wiring group 12
The connection that first wiring is connected with the second wiring in the second wiring group 14 by connecting line.
In the present embodiment, the one-to-one corresponding of the display screen 16 of the connection of connecting line and different resolution, it is specific
Correspondence can be set by physical circuit, the present embodiment can support the display screen 16 of a variety of resolution ratio, including but
It is not limited to the situation that Fig. 4 to Fig. 6 is listed.The present embodiment supports the display screen 16 of a variety of resolution ratio, only need to be by changing connecting line
Connection change, show mainboard 20 or upgrading drive software without changing and complete.
Referring to Fig. 7, show the flow diagram for the display drive method that one embodiment of the invention is provided, this method
It is that display driver circuit based on the embodiment of the present invention is realized, for convenience of description, illustrates only and the present embodiment phase
The part of pass, details are as follows：
In step slo, control module 11 exports corresponding resolution according to the connection of the connecting line of configuration module 13
Rate data are to backlight drive module 15.
In the present embodiment, the display parameters of the display screen 16 of the good all supports of burning have been shifted to an earlier date in control module 11, it can
To support the display screen 16 with different resolution.Connection by the connecting line for changing configuration module 13, can make not
Same configuration circuit is connected with backlight drive module 15, so that backlight drive circuit 15 receives different resolution datas.
In step S20, backlight drive module 15 drives 16 backlight of display screen according to resolution data.
In the present embodiment, the reception of backlight drive module 15 and 16 corresponding resolution data of display screen, and according to this point
16 backlight of resolution data-driven display screen, so as to fulfill the display screen 16 with different resolution is supported.
Referring to Fig. 8, specifically, step S10 includes：
Step S101：Display driver element 111, which reads the connection of the connecting line of configuration module 13 and exports calling, to be referred to
Order.
In this example it is shown that driving unit 111 reads the connection of the connecting line of configuration module 13, difference is differentiated
The display screen 16 of rate corresponds to different connecting line connections, and display driver element reads the connection of connecting line, output
Call instruction.Call instruction is the instruction of the connection of reflection connecting line.
Step S102：Storage unit 112 receives call instruction and exports corresponding resolution data to display driver element
111。
In the present embodiment, storage unit 112 receives call instruction so that it is determined that needing the resolution for the display screen 16 supported
Rate.The resolution data for supporting different resolution is stored in storage unit 112, storage unit 112 is exported according to call instruction
With the corresponding resolution data of resolution ratio of display screen 16 that needs to support to display driver element 111.
Step S103：111 output resolution ratio data of display driver element are to backlight drive module 15.
In this example it is shown that driving unit 111 receives the display screen 16 supported with needs that storage unit 112 exports
The corresponding resolution data of resolution ratio, then the resolution data is exported to backlight drive module 15.
In another embodiment, resolution data can also be stored in display driver element 111, display driving
Unit 111 exports corresponding resolution data to backlight drive module 15 according to the connection of the connecting line of configuration module 13.
It in another embodiment, can also be by the different connections and different resolution of 13 connecting line of configuration module
The correspondence of display screen 16 is stored in storage unit 112, and display driver element 111 reads the connecting line of configuration module 13
Connection, then according to the different connections of the connecting line stored in storage unit 112 and different resolution display screen 16
Correspondence, display driver element 111 determines to support the resolution ratio of the display screen 16 of display, then display driver element
111 outputs and 16 corresponding resolution data of display screen to backlight drive module 15.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of display driver circuit, is connected with display screen, which is characterized in that including：
One control module；
One first wiring group, first wiring group include at least one the first wiring, the first end of every first wiring
It is connected with the control module；
One backlight drive module, the backlight drive module are used to drive the display backlight；
One second wiring group, second wiring group include at least one the second wiring being correspondingly arranged with first wiring,
The first end of every second wiring is connected with the backlight drive module；
One configuration module, the configuration module include at least one connecting line, and the connecting line is used for first wiring
Second end and the docking of the second end of second wiring；
Wherein, the control module is used to export corresponding resolution ratio number according to the connection of the connecting line of the configuration module
According to the extremely backlight drive module.
2. display driver circuit as described in claim 1, which is characterized in that the control module includes：
It is connected with the backlight drive module and first wiring group, it is single for exporting the display of resolution data driving
Member；With
It is connected with the display driver element, for storing the storage unit of data.
3. display driver circuit as claimed in claim 2, which is characterized in that the display driver element is display driving core
Piece.
4. display driver circuit as claimed in claim 3, which is characterized in that the model of the display driver chip
NT68865。
5. display driver circuit as claimed in claim 2, which is characterized in that the storage unit includes storage chip.
6. a kind of display device, which is characterized in that the display device includes mainboard, backlight drive board, configuration module and display
Screen, the mainboard are connected with the backlight drive board by the configuration module, and the backlight drive board connects with the display screen
It connects；
It is provided on the mainboard：
One control module；With
One first wiring group, first wiring group include at least one the first wiring, the first end of every first wiring
It is connected with the control module；
It is provided on the backlight drive board：
One backlight drive module, the control signal that the backlight drive module is used to be exported according to the control module is to drive
State display backlight；With
One second wiring group, second wiring group include at least one the second wiring being correspondingly arranged with first wiring,
The first end of every second wiring is connected with the backlight drive module；
The configuration module includes at least one connecting line, and the connecting line is used for the second end of first wiring and described
The second end docking of second wiring；The control module is used for the connection output pair according to the connecting line of the configuration module
The resolution data answered is to the backlight drive module.
7. display device as claimed in claim 6, which is characterized in that the control module includes：
It is connected with the backlight drive module and first wiring group, it is single for exporting the display of resolution data driving
Member；With
It is connected with the display driver element, for storing the storage unit of data.
8. display driver circuit as claimed in claim 7, which is characterized in that the display driver element is display driving core
Piece.
9. a kind of display drive method, which is characterized in that the display drive method is based on such as any one of Claims 1 to 5 institute
The display driver circuit stated, the described method comprises the following steps：
The control module exports corresponding resolution data to described according to the connection of the connecting line of the configuration module
Backlight drive module；
The backlight drive module drives the display backlight according to the resolution data.
10. display drive method as claimed in claim 9, which is characterized in that the control module is according to the configuration module
The connection of connecting line export corresponding resolution data to the step of backlight drive module and specifically include：
Display driver element reads the connection of the connecting line of the configuration module and exports call instruction；
Storage unit receives the call instruction and exports corresponding resolution data to the display driver element；
The display driver element exports the resolution data to the backlight drive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043872.4A CN108091296A (en) | 2018-01-17 | 2018-01-17 | A kind of display driver circuit, method and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810043872.4A CN108091296A (en) | 2018-01-17 | 2018-01-17 | A kind of display driver circuit, method and display device |
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| Publication Number | Publication Date |
|---|---|
| CN108091296A true CN108091296A (en) | 2018-05-29 |
Family
ID=62183154
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810043872.4A Pending CN108091296A (en) | 2018-01-17 | 2018-01-17 | A kind of display driver circuit, method and display device |
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| CN (1) | CN108091296A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113112941A (en) * | 2021-04-15 | 2021-07-13 | 京东方科技集团股份有限公司 | Display board card configuration method, display board card and configuration system |
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