CN106847194A - The system and method for LVDS output resolution ratios are set - Google Patents
The system and method for LVDS output resolution ratios are set Download PDFInfo
- Publication number
- CN106847194A CN106847194A CN201510885501.7A CN201510885501A CN106847194A CN 106847194 A CN106847194 A CN 106847194A CN 201510885501 A CN201510885501 A CN 201510885501A CN 106847194 A CN106847194 A CN 106847194A
- Authority
- CN
- China
- Prior art keywords
- lvds
- output resolution
- level combinations
- resolution ratios
- lvds output
- 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.)
- Pending
Links
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
A kind of system and method for setting LVDS output resolution ratios, system include：Mainboard, is provided with a CPU；Display screen, uses LVDS signaling interfaces；Display parameters memory module, the resolution ratio mapping table of the display screen that is stored with, resolution ratio mapping table includes the mapping relations between various level combinations signals and LVDS output resolution ratios；LVDS modular converters, it is connected with CPU, display screen, display parameters memory module, for obtaining resolution ratio mapping table from display parameters memory module, the EDP signals that CPU is exported are converted to LVDS signaling interface of the LVDS signal outputs to display screen, and the level combinations signal and resolution ratio mapping table setting LVDS output resolution ratios exported according to the CPU；Wherein, the level signal input interface of LVDS modular converters is connected with the GPIO interface of CPU, and GPIO interface is used to set the output level combinations signal based on BIOS.The present invention need not rely on the adjustment on hardware, and need to only be based on BIOS to set is that required resolution ratio can be set, and manipulate simple, raising efficiency, reduces cost.
Description
Technical field
The present invention relates to Computer display technical field, more particularly to a kind of setting LVDS output resolution ratios
System and method.
Background technology
In recent years, many CPU manufacturers have cancelled LVDS (Low-Voltage primary to CPU
Differential Signaling low-voltage differential signals) signaling interface support, but current city
Many terminal users remain unchanged and use the LCD screen of LVDS signaling interfaces on field, so needing LVDS conversion chips
EDP (a kind of internal digital interface based on the DisplayPort frameworks and agreement) signal from CPU
LVDS signals are converted into, but the LVDS signals for converting generally can not Automatic adjusument LVDS outputs
Resolution ratio.Screen chi of the client because the mainboard of industrial panel computer is identical but different to panel computer
Very little and resolution ratio has no demand, such as 8 cun screen resolution ratio 800x600,10.1 cun of screen resolution ratio
1024x768,13.3 cun of screens 1366x768,17 cun of screen resolution ratio 1280x1024,20 cun of screen 1920x1080
Etc..
With reference to Fig. 1, wherein U1 ' represents LVDS conversion chips, for the EDP signals of mainboard CPU to be turned
LVDS signal outputs are changed to the LCD, U2 ' represents extending display identification pin-saving chip, storage
Mapping relations between various level combinations signals and LVDS output resolution ratios, U1 ' is according to the mapping relations
And the level adjustment LVDS output resolution ratios of GPIO pin.To realize Automatic adjusument LVDS outputs point
Resolution, that is, need to change the level of GPIO pin, and current solution is that conversion LVDS is given from hardware
GPIO pin on conversion chip does (logic level is 1) or drop-down (logic level is 0), to reach
Change resolution ratio, meet the LCD screen requirement of different resolution.And if single to get on turn to LVDS from hardware
The GPIO pin for changing chip pulls up (level 1) or drop-down (level 0), often changes a resolution ratio and differs
The display screen of sample, must again R1, R2, R3, R4, R5, R6, the R7 on the mainboard in Fig. 1,
R8 is configured one time, for production firm, can be difficult management and control, low production efficiency, cost uprises.This
Plant the method for changing output resolution ratio on hardware to the pullup or pulldown of LVDS conversion chip GPIO pins
Operation is cumbersome.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, there is provided a kind of structure
The system and method for simply, easily operated setting LVDS output resolution ratios.
The technical solution adopted for the present invention to solve the technical problems is：Construction is a kind of to set LVDS outputs point
The system of resolution, including：
Mainboard, is provided with a CPU；
Display screen, uses LVDS signaling interfaces；
Display parameters memory module, the resolution ratio mapping table of the display screen that is stored with, the resolution ratio mapping table bag
Containing the mapping relations between various level combinations signals and LVDS output resolution ratios；
LVDS modular converters, are connected with CPU, display screen, display parameters memory module, for showing from described
Show and obtain the resolution ratio mapping table in parameter memory module, the EDP signals that CPU is exported are converted into LVDS
Signal output gives the LVDS signaling interfaces of the display screen, and the level combinations letter exported according to the CPU
Number and the resolution ratio mapping table set LVDS output resolution ratios；
Wherein, the level signal input interface of the LVDS modular converters is connected with the GPIO interface of CPU,
The GPIO interface is used to set the output level combinations signal based on BIOS.
In the system of setting LVDS output resolution ratios of the present invention, wherein, the level combinations letter
Number it is made up of in sequence N number of level, each level includes 0 and 1 two kind of value and then causes level combinations
Signal includes 2NKind of value, LVDS output resolution ratios include with this 2NPlant value one-to-one 2NType,
N is positive integer.
In the system of setting LVDS output resolution ratios of the present invention, wherein, N is 4, the resolution
Rate mapping table includes：
If it is 800*600 that level combinations signal is 0000, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0001, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0010, LVDS output resolution ratios；
If it is 1280*768 that level combinations signal is 0011, LVDS output resolution ratios；
If it is 1280*800 that level combinations signal is 0100, LVDS output resolution ratios；
If it is 1280*960 that level combinations signal is 0101, LVDS output resolution ratios；
If it is 1280*1024 that level combinations signal is 0110, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 0111, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 1000, LVDS output resolution ratios；
If it is 1440*900 that level combinations signal is 1001, LVDS output resolution ratios；
If it is 1400*1050 that level combinations signal is 1010, LVDS output resolution ratios；
If it is 1600*900 that level combinations signal is 1011, LVDS output resolution ratios；
If it is 1680*1050 that level combinations signal is 1100, LVDS output resolution ratios；
If it is 1600*1200 that level combinations signal is 1101, LVDS output resolution ratios；
If it is 1920*1080 that level combinations signal is 1111, LVDS output resolution ratios.
In the system of setting LVDS output resolution ratios of the present invention, LVDS modular converters are model
The LVDS conversion chips of CH7511B, N be the GPIO [0] of 4, LVDS conversion chips, GPIO [1],
GPIO [2], GPIO [3] pin are connected to 4 GPIO interfaces of CPU correspondingly respectively.
In the system of setting LVDS output resolution ratios of the present invention, the display parameters memory module
It is the extending display identification pin-saving chip of model CH9904.
The invention also discloses a kind of method of the setting LVDS output resolution ratios based on above-mentioned system, bag
Include following steps：
S1, the level combinations signal that GPIO interface output is set based on BIOS；
S2, CPU export EDP signals and level combinations signal gives LVDS modular converters；
S3, LVDS modular converter obtain the resolution ratio mapping table from the display parameters memory module,
By the EDP signals be converted to LVDS signal outputs to the display screen LVDS signaling interfaces, and according to
The level combinations signal and the resolution ratio mapping table set LVDS output resolution ratios.
In the method for setting LVDS output resolution ratios of the present invention, the level combinations signal is by N
Individual level is constituted in sequence, and each level includes 0 and 1 two kind of value and then so that level combinations signal bag
Include 2NKind of value, LVDS output resolution ratios include with this 2NPlant value one-to-one 2NType, N is
Positive integer.
In the method for setting LVDS output resolution ratios of the present invention, N is 4, the resolution ratio mapping
Table includes：
If it is 800*600 that level combinations signal is 0000, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0001, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0010, LVDS output resolution ratios；
If it is 1280*768 that level combinations signal is 0011, LVDS output resolution ratios；
If it is 1280*800 that level combinations signal is 0100, LVDS output resolution ratios；
If it is 1280*960 that level combinations signal is 0101, LVDS output resolution ratios；
If it is 1280*1024 that level combinations signal is 0110, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 0111, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 1000, LVDS output resolution ratios；
If it is 1440*900 that level combinations signal is 1001, LVDS output resolution ratios；
If it is 1400*1050 that level combinations signal is 1010, LVDS output resolution ratios；
If it is 1600*900 that level combinations signal is 1011, LVDS output resolution ratios；
If it is 1680*1050 that level combinations signal is 1100, LVDS output resolution ratios；
If it is 1600*1200 that level combinations signal is 1101, LVDS output resolution ratios；
If it is 1920*1080 that level combinations signal is 1111, LVDS output resolution ratios.
In the method for setting LVDS output resolution ratios of the present invention, LVDS modular converters are model
The LVDS conversion chips of CH7511B, N be the GPIO [0] of 4, LVDS conversion chips, GPIO [1],
GPIO [2], GPIO [3] pin are connected to 4 GPIO interfaces of CPU correspondingly respectively.
In the method for setting LVDS output resolution ratios of the present invention, the display parameters memory module
It is the extending display identification pin-saving chip of model CH9904.
Implement the system and method for setting LVDS output resolution ratios of the invention, have the advantages that：
The present invention need not rely on the adjustment on hardware, need to only be based on BIOS and set i.e. settable required resolution ratio,
Manipulate simple, raising efficiency, reduces cost.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the system structure diagram of traditional setting LVDS output resolution ratios；
Fig. 2 is the structural representation of the system of setting LVDS output resolution ratios of the invention；
Fig. 3 is the flow chart of the method for setting LVDS output resolution ratios of the invention.
Specific embodiment
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, accompanying drawing is now compareed detailed
Describe bright specific embodiment of the invention in detail.
As shown in Fig. 2 being the structural representation of the system of setting LVDS output resolution ratios of the invention.This
The system of the setting LVDS output resolution ratios of invention, including：
Mainboard, is provided with a CPU；
Display screen, uses LVDS signaling interfaces；
Display parameters memory module, the resolution ratio mapping table of the display screen that is stored with, the resolution ratio mapping table bag
Containing the mapping relations between various level combinations signals and LVDS output resolution ratios；
LVDS modular converters, are connected with CPU, display screen, display parameters memory module, for showing from described
Show and obtain the resolution ratio mapping table in parameter memory module, the EDP signals that CPU is exported are converted into LVDS
Signal output gives the LVDS signaling interfaces of the display screen, and the level combinations letter exported according to the CPU
Number and the resolution ratio mapping table set LVDS output resolution ratios；
Wherein, the level signal input interface of the LVDS modular converters is connected with the GPIO interface of CPU,
The GPIO interface is used to set the output level combinations signal based on BIOS.
Set based on BIOS, be to enter BIOS SETUP interfaces when operation is started shooting, then GPIO is set
The numerical value of the logic level of interface, i.e., the level combinations signal corresponding to required resolution ratio, then CPU
The level combinations signal is exported by GPIO interface when EDP signals are sent to LVDS modular converters.
The level combinations signal is made up of in sequence N number of level, and each level takes including 0 and 1 two kind
It is worth and then causes that level combinations signal includes 2NKind of value, LVDS output resolution ratios include with this 2NPlant value
One-to-one 2NType, N is positive integer.
EDP (Embedded DisplayPort) signal, is based on DisplayPort frameworks and agreement
The signal that a kind of internal digital interface is exported.
Display parameters memory module is the commonly used EDID EEPROM, EDID (Extended of this area
Display Identification Data, extending display identification data) it is a kind of VESA normal datas
Form, wherein comprising the parameter about monitor and its performance, including supplier information, maximum image size,
Color set, factory default put, the limitation of frequency range and display name and sequence number character string.This
A little information are stored in display sections, for by a DDC (Display Data Channel)
Communicated with system, carried out between display and PC EGAs.The EDID of latest edition
Can be used in the type of display in CRT, LCD and future, because EDID is provided almost
The universal description of all display parameters.
In specific embodiment, LVDS modular converters are the LVDS conversion chip U1 of model CH7511B,
EDID EEPROM are the extending display identification pin-saving chip U2 of model CH9904, and display screen is LCD
Screen.The GPIO [0] of LVDS conversion chips U1, GPIO [1], GPIO [2], GPIO [3] (i.e. 33,
34th, 37, No. 38 pins) pin is connected to 4 GPIO interfaces of CPU correspondingly respectively
GPIO1-GPIO4, this part connection is mainly transmission level composite signal.
In addition, LVDS conversion chips U1 is also connected by relevant pins with the EDP signal output interfaces of CPU,
To obtain EDP signals.By other relevant pins and extending display identification pin-saving chip U2 and LCD
Screen connection, this is prior art, and here is omitted.
In specific embodiment, N is 4, and level combinations signal includes 16 kinds of values, LVDS output resolution ratios
Including with one-to-one 16 type of 16 kinds of values.Corresponding, resolution ratio mapping table now is exactly
Mapping relations between 16 kinds of values and the LVDS output resolution ratios of 16 types of level combinations signal,
It is as follows：
If it is 800*600 that level combinations signal is 0000, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0001, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0010, LVDS output resolution ratios；
If it is 1280*768 that level combinations signal is 0011, LVDS output resolution ratios；
If it is 1280*800 that level combinations signal is 0100, LVDS output resolution ratios；
If it is 1280*960 that level combinations signal is 0101, LVDS output resolution ratios；
If it is 1280*1024 that level combinations signal is 0110, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 0111, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 1000, LVDS output resolution ratios；
If it is 1440*900 that level combinations signal is 1001, LVDS output resolution ratios；
If it is 1400*1050 that level combinations signal is 1010, LVDS output resolution ratios；
If it is 1600*900 that level combinations signal is 1011, LVDS output resolution ratios；
If it is 1680*1050 that level combinations signal is 1100, LVDS output resolution ratios；
If it is 1600*1200 that level combinations signal is 1101, LVDS output resolution ratios；
If it is 1920*1080 that level combinations signal is 1111, LVDS output resolution ratios.
It is summarized as follows in a tabular form：
The resolution ratio mapping table of table 1
| Level combinations signal | LVDS output resolution ratios |
| 0000 | 800*600 |
| 0001 | 1024*768 |
| 0010 | 1024*768 |
| 0011 | 1280*768 |
| 0100 | 1280*800 |
| 0101 | 1280*960 |
| 0110 | 1280*1024 |
| 0111 | 1366*768 |
| 1000 | 1366*768 |
| 1001 | 1440*900 |
| 1010 | 1400*1050 |
| 1011 | 1600*900 |
| 1100 | 1680*1050 |
| 1101 | 1600*1200 |
| 1111 | 1920*1080 |
If for example, the resolution ratio of the 1440*900 of current LCD display requirement, user is in start fortune
Enter BIOS SETUP interfaces during row, the level combinations signal corresponding to resolution ratio required for then setting
1001, that is, the numerical value for setting 4 logic levels of GPIO interface GPIO1-GPIO4 of CPU is followed successively by 1,
0、0、1.So CPU GPIO1-GPIO4 outputs 1001 when EDP signals are sent to LVDS modular converters
To GPIO [0]-GPIO [3] of LVDS conversion chips U1, LVDS conversion chips U1 is according to extension display mark
The table 1 for knowing pin-saving chip U2 memory storages is judged to need resolution adjustment to 1440*900, and then
The resolution ratio is set.After LCD screen is changed, BIOS SETUP interfaces can be reentered resolution ratio is set,
So simple to operate, the change of hardware configuration without since, cost reduction, efficiency raising.
Accordingly, the invention also discloses a kind of method of setting LVDS output resolution ratios.
It is the flow chart of the method for setting LVDS output resolution ratios of the invention with reference to Fig. 3.Method includes
Following steps：
S1, the level combinations signal of the GPIO interface output based on BIOS settings CPU；
S2, CPU export EDP signals and level combinations signal gives LVDS modular converters；
S3, LVDS modular converter obtain the resolution ratio mapping table from the display parameters memory module,
By the EDP signals be converted to LVDS signal outputs to the display screen LVDS signaling interfaces, and according to
The level combinations signal and the resolution ratio mapping table set LVDS output resolution ratios.
The level combinations signal is made up of in sequence N number of level, and each level takes including 0 and 1 two kind
It is worth and then causes that level combinations signal includes 2NKind of value, LVDS output resolution ratios include with this 2NPlant value
One-to-one 2NType, N is positive integer.
Wherein, LVDS modular converters are the LVDS conversion chips of model CH7511B, the display parameters
Memory module is the extending display identification pin-saving chip of model CH9904.N is 4, LVDS conversions
The GPIO [0] of chip, GPIO [1], GPIO [2], GPIO [3] pin are connected to correspondingly respectively
4 GPIO interfaces of CPU.
In specific embodiment, N is 4, and the resolution ratio mapping table includes：
If it is 800*600 that level combinations signal is 0000, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0001, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0010, LVDS output resolution ratios；
If it is 1280*768 that level combinations signal is 0011, LVDS output resolution ratios；
If it is 1280*800 that level combinations signal is 0100, LVDS output resolution ratios；
If it is 1280*960 that level combinations signal is 0101, LVDS output resolution ratios；
If it is 1280*1024 that level combinations signal is 0110, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 0111, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 1000, LVDS output resolution ratios；
If it is 1440*900 that level combinations signal is 1001, LVDS output resolution ratios；
If it is 1400*1050 that level combinations signal is 1010, LVDS output resolution ratios；
If it is 1600*900 that level combinations signal is 1011, LVDS output resolution ratios；
If it is 1680*1050 that level combinations signal is 1100, LVDS output resolution ratios；
If it is 1600*1200 that level combinations signal is 1101, LVDS output resolution ratios；
If it is 1920*1080 that level combinations signal is 1111, LVDS output resolution ratios.
In sum, implement the system and method for setting LVDS output resolution ratios of the invention, with
Lower beneficial effect：The present invention need not rely on the adjustment on hardware, only need to set i.e. settable institute based on BIOS
The resolution ratio of needs, manipulates simple, raising efficiency, reduces cost.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned
Specific embodiment, above-mentioned specific embodiment is only schematical, rather than restricted, this
The those of ordinary skill in field is not departing from present inventive concept and claim is protected under enlightenment of the invention
Under the ambit of shield, many forms can be also made, these are belonged within protection of the invention.
Claims (10)
1. a kind of system of setting LVDS output resolution ratios, it is characterised in that including：
Mainboard, is provided with a CPU；
Display screen, uses LVDS signaling interfaces；
Display parameters memory module, the resolution ratio mapping table of the display screen that is stored with, the resolution ratio mapping table bag
Containing the mapping relations between various level combinations signals and LVDS output resolution ratios；
LVDS modular converters, are connected with CPU, display screen, display parameters memory module, for showing from described
Show and obtain the resolution ratio mapping table in parameter memory module, the EDP signals that CPU is exported are converted into LVDS
Signal output gives the LVDS signaling interfaces of the display screen, and the level combinations letter exported according to the CPU
Number and the resolution ratio mapping table set LVDS output resolution ratios；
Wherein, the level signal input interface of the LVDS modular converters is connected with the GPIO interface of CPU,
The GPIO interface is used to set the output level combinations signal based on BIOS.
2. the system of setting LVDS output resolution ratios according to claim 1, it is characterised in that its
In, the level combinations signal is made up of in sequence N number of level, and each level takes including 0 and 1 two kind
It is worth and then causes that level combinations signal includes 2NKind of value, LVDS output resolution ratios include with this 2NPlant value
One-to-one 2NType, N is positive integer.
3. the system of setting LVDS output resolution ratios according to claim 2, it is characterised in that its
In, N is 4, and the resolution ratio mapping table includes：
If it is 800*600 that level combinations signal is 0000, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0001, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0010, LVDS output resolution ratios；
If it is 1280*768 that level combinations signal is 0011, LVDS output resolution ratios；
If it is 1280*800 that level combinations signal is 0100, LVDS output resolution ratios；
If it is 1280*960 that level combinations signal is 0101, LVDS output resolution ratios；
If it is 1280*1024 that level combinations signal is 0110, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 0111, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 1000, LVDS output resolution ratios；
If it is 1440*900 that level combinations signal is 1001, LVDS output resolution ratios；
If it is 1400*1050 that level combinations signal is 1010, LVDS output resolution ratios；
If it is 1600*900 that level combinations signal is 1011, LVDS output resolution ratios；
If it is 1680*1050 that level combinations signal is 1100, LVDS output resolution ratios；
If it is 1600*1200 that level combinations signal is 1101, LVDS output resolution ratios；
If it is 1920*1080 that level combinations signal is 1111, LVDS output resolution ratios.
4. the system of setting LVDS output resolution ratios according to claim 2, it is characterised in that LVDS
Modular converter for model CH7511B LVDS conversion chips, N be 4, LVDS conversion chips GPIO [0],
4 GPIO that GPIO [1], GPIO [2], GPIO [3] pin are connected to CPU correspondingly respectively connect
Mouthful.
5. the system of setting LVDS output resolution ratios according to claim 1, it is characterised in that institute
State the extending display identification pin-saving chip that display parameters memory module is model CH9904.
6. the method for the setting LVDS output resolution ratios of a kind of system based on described in claim 1, it is special
Levy and be, comprise the following steps：
S1, the level combinations signal that GPIO interface output is set based on BIOS；
S2, CPU export EDP signals and level combinations signal gives LVDS modular converters；
S3, LVDS modular converter obtain resolution ratio mapping table from the display parameters memory module, by institute
State EDP signals and be converted to LVDS signaling interface of the LVDS signal outputs to the display screen, and according to described
Level combinations signal and the resolution ratio mapping table set LVDS output resolution ratios.
7. the method for setting LVDS output resolution ratios according to claim 6, it is characterised in that institute
Level combinations signal is stated to be made up of in sequence N number of level, each level include 0 and 1 two kind of value and then
So that level combinations signal includes 2N kind values, LVDS output resolution ratios are included with the 2N kinds value one by one
Corresponding 2N types, N is positive integer.
8. the method for setting LVDS output resolution ratios according to claim 7, it is characterised in that N
It is 4, the resolution ratio mapping table includes：
If it is 800*600 that level combinations signal is 0000, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0001, LVDS output resolution ratios；
If it is 1024*768 that level combinations signal is 0010, LVDS output resolution ratios；
If it is 1280*768 that level combinations signal is 0011, LVDS output resolution ratios；
If it is 1280*800 that level combinations signal is 0100, LVDS output resolution ratios；
If it is 1280*960 that level combinations signal is 0101, LVDS output resolution ratios；
If it is 1280*1024 that level combinations signal is 0110, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 0111, LVDS output resolution ratios；
If it is 1366*768 that level combinations signal is 1000, LVDS output resolution ratios；
If it is 1440*900 that level combinations signal is 1001, LVDS output resolution ratios；
If it is 1400*1050 that level combinations signal is 1010, LVDS output resolution ratios；
If it is 1600*900 that level combinations signal is 1011, LVDS output resolution ratios；
If it is 1680*1050 that level combinations signal is 1100, LVDS output resolution ratios；
If it is 1600*1200 that level combinations signal is 1101, LVDS output resolution ratios；
If it is 1920*1080 that level combinations signal is 1111, LVDS output resolution ratios.
9. the method for setting LVDS output resolution ratios according to claim 7, it is characterised in that LVDS
Modular converter for model CH7511B LVDS conversion chips, N be 4, LVDS conversion chips GPIO [0],
4 GPIO that GPIO [1], GPIO [2], GPIO [3] pin are connected to CPU correspondingly respectively connect
Mouthful.
10. the method for setting LVDS output resolution ratios according to claim 6, it is characterised in that
The display parameters memory module is the extending display identification pin-saving chip of model CH9904.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885501.7A CN106847194A (en) | 2015-12-03 | 2015-12-03 | The system and method for LVDS output resolution ratios are set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885501.7A CN106847194A (en) | 2015-12-03 | 2015-12-03 | The system and method for LVDS output resolution ratios are set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106847194A true CN106847194A (en) | 2017-06-13 |
Family
ID=59150598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510885501.7A Pending CN106847194A (en) | 2015-12-03 | 2015-12-03 | The system and method for LVDS output resolution ratios are set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106847194A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108091296A (en) * | 2018-01-17 | 2018-05-29 | 合肥惠科金扬科技有限公司 | A kind of display driver circuit, method and display device |
| CN108628480A (en) * | 2018-05-04 | 2018-10-09 | 深圳市瑞致达科技有限公司 | Implementation method, system and the computer readable storage medium of human-computer interaction |
| CN110225267A (en) * | 2019-06-06 | 2019-09-10 | 深圳市智微智能科技开发有限公司 | A kind of circuit and method for supporting mainboard EDP and LVDS doubleway output |
| CN110362289A (en) * | 2019-06-26 | 2019-10-22 | 深圳安时达电子服务有限公司 | A kind of device and method of setting screen ginseng |
| CN110895916A (en) * | 2018-09-20 | 2020-03-20 | 研祥智能科技股份有限公司 | System for adaptively setting output resolution of LVDS (Low Voltage differential Signaling) interface |
| CN111526403A (en) * | 2020-03-30 | 2020-08-11 | 龙芯中科技术有限公司 | Display device, method and electronic equipment |
| CN112148323A (en) * | 2019-06-28 | 2020-12-29 | 广东美的制冷设备有限公司 | Firmware upgrading method and device |
| WO2021223460A1 (en) * | 2020-05-08 | 2021-11-11 | 深圳Tcl数字技术有限公司 | Machine core main board and display device |
| CN114333734A (en) * | 2022-03-14 | 2022-04-12 | 成都万创科技股份有限公司 | Mainboard circuit and system supporting multiple LCD displays and implementation method |
| CN116434719A (en) * | 2023-06-14 | 2023-07-14 | 深圳市华星光电半导体显示技术有限公司 | Display device |
| WO2023147734A1 (en) * | 2022-02-07 | 2023-08-10 | 惠州视维新技术有限公司 | Driving and configuration method and apparatus, and driving system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005274935A (en) * | 2004-03-24 | 2005-10-06 | Seiko Epson Corp | Display device and game machine |
| CN2786674Y (en) * | 2005-01-18 | 2006-06-07 | 谭启仁 | Singlechip periphery structure capable of differentiating various programs |
| CN1971705A (en) * | 2005-11-24 | 2007-05-30 | 三星电子株式会社 | Display apparatus, display system and control method thereof |
| CN201876861U (en) * | 2010-11-04 | 2011-06-22 | 天津三星电子显示器有限公司 | Display with automatically adjustable resolution factor |
| CN202217259U (en) * | 2011-08-26 | 2012-05-09 | 海尔集团公司 | Lcd module group drive device and display system |
| CN102514498A (en) * | 2011-11-23 | 2012-06-27 | 湖南南车时代电动汽车股份有限公司 | Identification method and device of battery management system sub-module |
| CN104575442A (en) * | 2014-12-23 | 2015-04-29 | 深圳市思乐数据技术有限公司 | Video signal conversion and expansion method and circuit |
-
2015
- 2015-12-03 CN CN201510885501.7A patent/CN106847194A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005274935A (en) * | 2004-03-24 | 2005-10-06 | Seiko Epson Corp | Display device and game machine |
| CN2786674Y (en) * | 2005-01-18 | 2006-06-07 | 谭启仁 | Singlechip periphery structure capable of differentiating various programs |
| CN1971705A (en) * | 2005-11-24 | 2007-05-30 | 三星电子株式会社 | Display apparatus, display system and control method thereof |
| CN201876861U (en) * | 2010-11-04 | 2011-06-22 | 天津三星电子显示器有限公司 | Display with automatically adjustable resolution factor |
| CN202217259U (en) * | 2011-08-26 | 2012-05-09 | 海尔集团公司 | Lcd module group drive device and display system |
| CN102514498A (en) * | 2011-11-23 | 2012-06-27 | 湖南南车时代电动汽车股份有限公司 | Identification method and device of battery management system sub-module |
| CN104575442A (en) * | 2014-12-23 | 2015-04-29 | 深圳市思乐数据技术有限公司 | Video signal conversion and expansion method and circuit |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108091296A (en) * | 2018-01-17 | 2018-05-29 | 合肥惠科金扬科技有限公司 | A kind of display driver circuit, method and display device |
| CN108628480A (en) * | 2018-05-04 | 2018-10-09 | 深圳市瑞致达科技有限公司 | Implementation method, system and the computer readable storage medium of human-computer interaction |
| CN110895916A (en) * | 2018-09-20 | 2020-03-20 | 研祥智能科技股份有限公司 | System for adaptively setting output resolution of LVDS (Low Voltage differential Signaling) interface |
| CN110225267A (en) * | 2019-06-06 | 2019-09-10 | 深圳市智微智能科技开发有限公司 | A kind of circuit and method for supporting mainboard EDP and LVDS doubleway output |
| CN110362289A (en) * | 2019-06-26 | 2019-10-22 | 深圳安时达电子服务有限公司 | A kind of device and method of setting screen ginseng |
| CN112148323A (en) * | 2019-06-28 | 2020-12-29 | 广东美的制冷设备有限公司 | Firmware upgrading method and device |
| CN112148323B (en) * | 2019-06-28 | 2024-05-24 | 广东美的制冷设备有限公司 | Firmware upgrading method and device |
| CN111526403A (en) * | 2020-03-30 | 2020-08-11 | 龙芯中科技术有限公司 | Display device, method and electronic equipment |
| WO2021223460A1 (en) * | 2020-05-08 | 2021-11-11 | 深圳Tcl数字技术有限公司 | Machine core main board and display device |
| WO2023147734A1 (en) * | 2022-02-07 | 2023-08-10 | 惠州视维新技术有限公司 | Driving and configuration method and apparatus, and driving system |
| CN114333734A (en) * | 2022-03-14 | 2022-04-12 | 成都万创科技股份有限公司 | Mainboard circuit and system supporting multiple LCD displays and implementation method |
| CN116434719A (en) * | 2023-06-14 | 2023-07-14 | 深圳市华星光电半导体显示技术有限公司 | Display device |
| CN116434719B (en) * | 2023-06-14 | 2023-10-17 | 深圳市华星光电半导体显示技术有限公司 | Display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106847194A (en) | The system and method for LVDS output resolution ratios are set | |
| CN100511418C (en) | Screen display system and connection line with same | |
| CN110381273B (en) | Liquid crystal television circuit system and interface | |
| CN104363405A (en) | Ultrahigh-definition signal conversion device and conversion method thereof | |
| CN104360511A (en) | MIPI module test method and test system realizing two modes | |
| CN101320346A (en) | Display apparatus and method for notifying user of state of external device | |
| CN104615556A (en) | EDID burning device and method | |
| KR102212208B1 (en) | Data Driving Circuit Device for Display Device and Display Device having the same | |
| CN109495696A (en) | A kind of more display mainboards and the lottery ticket machine control system using the mainboard | |
| CN101193217A (en) | LCD TV set with dual-channel LVDS output circuit | |
| CN208093124U (en) | A kind of mobile terminal and its double LVDS panel drive devices | |
| CN201655249U (en) | Integrated audio/video controller for LED display | |
| CN105761682B (en) | Electronic device and backlight control method of display | |
| CN102306489A (en) | Method for programming port extended display identification data | |
| CN101872605B (en) | Method and device for jointing display screens | |
| CN210895119U (en) | Interface circuit and automobile diagnosis equipment thereof | |
| CN209514606U (en) | Novel hot plug display control system and computer equipment | |
| CN105096913B (en) | A kind of RGB to RGBW luminance compensation method and device | |
| CN204031327U (en) | Based on DisplayPort, realize the control device of video wall splicing | |
| CN204256325U (en) | Realize the MIPI module group test system of two kinds of patterns | |
| CN216356999U (en) | Television and display device | |
| CN109256072B (en) | Lighting test system of display device | |
| CN101055514A (en) | Computer system possessing analog digital video output, host and video transmission device | |
| CN207382435U (en) | A kind of more display mainboards and the lottery tickets machine control system using the mainboard | |
| CN100437465C (en) | Video signal processing circuit of notebook computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |