CN102385833A - Panel TV and method for driving display thereof - Google Patents
Panel TV and method for driving display thereof Download PDFInfo
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- CN102385833A CN102385833A CN2011103692049A CN201110369204A CN102385833A CN 102385833 A CN102385833 A CN 102385833A CN 2011103692049 A CN2011103692049 A CN 2011103692049A CN 201110369204 A CN201110369204 A CN 201110369204A CN 102385833 A CN102385833 A CN 102385833A
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Abstract
The invention discloses a panel TV and a method for driving a display thereof, wherein the method is that a main control chip of the display solidifies drive parameters of the display and establishes a communication protocol with a core board; and the core board obtains the drive parameters of the display from the main control chip of the display through the communication protocol, and drives the display according to the drive parameters. In the invention, as the drive parameters of the display are solidified on the main control chip of the display and the communication protocol with the core board is established on the main control chip of the display, when the display is needed to be driven, as long as the core board obtains the drive parameters of the display from the main control chip of the display through the communication protocol and the drive operation of the display is performed, the display can be driven; and as no software working staff is required to be involved in software modification, the function of plug-and-play of the display is achieved, the production procedure of the panel TV is simplified, and the operation cost of the panel TV is reduced.
Description
Technical field
The present invention relates to TV technology, especially relate to the driving method of a kind of flat panel TV and display thereof.
Background technology
At present, the Display Types of flat panel TV is a lot, and its exploration on display resolution ratio difference or frequency are different, and its corresponding display driving parameters is also inequality.
At present, a lot of flat panel TV manufacturers' has following two kinds of processing modes: one, at first all flat panel TVs are adopted unified movement software, for the display of different frequency or different resolution, in movement software, write different display driving parameters then.Two, the display driving parameters is stored in the storer of machine core board, when promptly producing different types of flat panel TV, the display driving parameters of correspondence is copied in the storer of machine core board through external tool.
There is following defective in above-mentioned first kind of mode: revise movement software and comparatively bother; The software engineer is easy error when revising the movement software code; Possibly there is unknown risk in amended new software; Usually need the staff to carry out just can using after the detailed test, inefficiency, and take the great amount of manpower resource.Though the second way need not revised movement software; But the flat panel TV of the different displays of every production all needs the staff to adopt external tool to copy; Need to drop into the equipment of copying, also take the great amount of manpower resource simultaneously, influenced the production efficiency and the production cost of flat panel TV.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of flat panel TV and display drive method thereof, on the basis of realizing driving display, simplifies production procedure, reduces operating cost.
The present invention proposes a kind of display drive method of flat panel TV, comprises step:
The display main control chip solidifies the display driving parameters, and the communication protocol of foundation and machine core board;
Machine core board obtains the display driving parameters through communication protocol to the display main control chip, and carries out the display driving operations according to said driving parameters.
Preferably, said machine core board obtains the display driving parameters through communication protocol to the display main control chip and is specially:
Machine core board starts and display main control chip communication function, sends the request of obtaining of display driving parameters to the display main control chip;
The display main control chip obtains request to machine core board feedback display driving parameters according to said.
Preferably, said machine core board also comprises to the request of obtaining that the display main control chip sends the display driving parameters before:
Machine core board sends addressing request to the display main control chip;
The display main control chip according to said addressing request to the machine core board feedback response information;
Machine core board is specially to the request of obtaining that the display main control chip sends the display driving parameters:
Machine core board sends the request of obtaining of display driving parameters to the display main control chip according to the response message of display main control chip feedback.
Preferably, said communication protocol is I
2C communication protocol.
Preferably, said display driving parameters major part comprises: the time series data of exploration on display resolution ratio, display, TI pattern, PWM frequency data backlight, clock frequency data.
The present invention proposes a kind of flat panel TV in addition, comprising:
The display main control chip is used to solidify the display driving parameters, and the communication protocol of foundation and machine core board;
Machine core board is used for obtaining the display driving parameters through communication protocol to the display main control chip, and carries out the display driving operations according to said driving parameters.
Preferably, said machine core board also is used for starting and display main control chip communication function, sends the request of obtaining of display driving parameters to the display main control chip;
Said display main control chip also is used for obtaining request to machine core board feedback display driving parameters according to said.
Preferably, said machine core board also is used for sending addressing request to the display main control chip;
Said display main control chip also is used for according to said addressing request to the machine core board feedback response information.
Preferably, said machine core board also is used for sending to the display main control chip according to the response message of display main control chip feedback the request of obtaining of display driving parameters.
Preferably, said communication protocol is I
2C communication protocol.
Preferably, said display driving parameters major part comprises: the time series data of exploration on display resolution ratio, display, TI pattern, PWM frequency data backlight, clock frequency data.
Flat panel TV provided by the present invention and display drive method thereof; Through the display driving parameters is solidificated on the display main control chip, and on the display main control chip, set up the communication protocol with machine core board, when the need driving display; Machine core board only needs to obtain the display driving parameters through communication protocol to the display main control chip; And the driving operations of carrying out display gets final product, and need not the software work personnel and participates in software modification, realized the plug-and-play feature of display; Simplify the production procedure of flat panel TV, reduced the operating cost of flat panel TV.
Description of drawings
Fig. 1 is the display drive method process flow diagram of first embodiment of the invention flat panel TV;
Fig. 2 is the structural representation of second embodiment of the invention flat panel TV.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Referring to Fig. 1, display drive method one embodiment of flat panel TV of the present invention is proposed, comprise step:
Step S101, display main control chip solidify the display driving parameters, and the communication protocol of foundation and machine core board;
Step S102, machine core board obtain the display driving parameters through communication protocol to the display main control chip, and carry out the display driving operations according to said driving parameters.
In the present embodiment, machine core board itself is supported communication protocol, after the communication protocol of foundation of display main control chip and machine core board; Machine core board just can obtain the display driving parameters to the display main control chip through communication protocol; And the driving parameters of obtaining is stored in the internal memory of machine core board, realize the driving operations of display then according to driving parameters, need not the software work personnel and revise software program in the machine core board; Or utilize external tool in the machine core board storer, to write data to obtain driving parameters; Can realize the display plug-and-play feature, simplify the production procedure of flat panel TV, reduce the flat panel TV production cost simultaneously.
Further; Among the display drive method embodiment of above-mentioned flat panel TV; Said machine core board obtains the display driving parameters through communication protocol to the display main control chip and is specially: machine core board starts and display main control chip communication function, sends the request of obtaining of display driving parameters to the display main control chip.The display main control chip obtains request to machine core board feedback display driving parameters according to said.
Further, among the display drive method embodiment of above-mentioned flat panel TV, above-mentioned machine core board also comprises following processing before to the request of obtaining that the display main control chip sends the display driving parameters: machine core board sends addressing request to the display main control chip.The display main control chip according to said addressing request to the machine core board feedback response information.Machine core board is specially to the request of obtaining that the display main control chip sends the display driving parameters: machine core board sends the request of obtaining of display driving parameters to the display main control chip according to the response message of display main control chip feedback.
Present embodiment, machine core board need confirm at first whether this display exists before display main control chip acquisition request display driving parameters, obtain request if exist then to its transmission display driving parameters.Promptly at first machine core board sends addressing request to the display main control chip; If receive the response message of the main control chip feedback of display; Show that then corresponding display exists, just can send the request of obtaining of obtaining the display driving parameters according to response message this moment to the display main control chip.
Further, among the display drive method embodiment of above-mentioned flat panel TV, said communication protocol is I
2C communication protocol.
In addition, in the foregoing description, the I between machine core board and the display main control chip
2The C communication interface can join in the existing LVDS interface, through joining the I in the LVDS interface
2The C data bus just can be set up the communication function of machine core board and display main control chip.
Further, among the display drive method embodiment of above-mentioned flat panel TV, said display driving parameters major part comprises: monitor resolution, time sequence of display device data, TI pattern, PWM frequency data backlight, clock frequency data.
The display drive method embodiment of above-mentioned flat panel TV; Through the display driving parameters is solidificated on the display main control chip, and on the display main control chip, set up the communication protocol with machine core board, when the need driving display; Machine core board only needs to obtain the display driving parameters through communication protocol to the display main control chip; And the driving operations of carrying out display gets final product, and need not the software work personnel and participates in software modification, realized the plug-and-play feature of display; Simplify the production procedure of flat panel TV, reduced the operating cost of flat panel TV.
In addition, in the foregoing description, can also the display driving parameters be stored in the storer of display main control chip place module, machine core board passes through directly reading displayed device driving parameters from the storer of display main control chip place module of external interface.
Referring to Fig. 2, flat panel TV 100 1 embodiment of the present invention are proposed, comprising: display main control chip 110 and machine core board 120.Wherein, said display main control chip 110 is used to solidify the display driving parameters, and the communication protocol of foundation and machine core board 120.Said machine core board 120 is used for obtaining the display driving parameters through communication protocol to display main control chip 110, and carries out the display driving operations according to said driving parameters.
In the present embodiment; Machine core board 120 itself is supported communication protocol; After the communication protocol of 110 foundation of display main control chip and machine core board 120, machine core board 120 just can obtain the display driving parameters to display main control chip 110 through communication protocol, and the driving parameters of obtaining is stored in the internal memory of machine core board 120; Realize the driving operations of display then according to driving parameters; Need not the software work personnel and revise software program in the machine core board 120, or utilize external tool in the storer of machine core board 120, to write data, can realize the display plug-and-play feature to obtain driving parameters; Simplified the production procedure of flat panel TV 100, reduced dull and stereotyped electric 100 simultaneously and looked production cost.
Further, among above-mentioned flat panel TV 100 embodiment, said machine core board 120 also is used for starting and display main control chip 110 communication functions, sends the request of obtaining of display driving parameters to display main control chip 110.Said display main control chip 110 also is used for obtaining request to machine core board 120 feedback display driving parameters according to said.
Further, among above-mentioned flat panel TV 100 embodiment, said machine core board 120 also is used for sending addressing request to display main control chip 110.Display main control chip 110 also is used for according to said addressing request to machine core board 120 feedback response information.
Further, among above-mentioned flat panel TV 100 embodiment, said machine core board 120 also is used for sending to display main control chip 110 according to the response message of display main control chip 110 feedbacks the request of obtaining of display driving parameters.
Present embodiment, machine core board 120 need confirm at first whether this display exists before display main control chip 110 acquisition request display driving parameters, obtain request if exist then to its transmission display driving parameters.Promptly at first machine core board 120 sends addressing request to display main control chip 110; If receive the response message of display main control chip 110 feedbacks; Show that then corresponding display exists, just can send the request of obtaining of obtaining the display driving parameters to display main control chip 110 according to response message this moment.
Further, among above-mentioned flat panel TV 100 embodiment, said communication protocol is 12C communication protocol.
In addition, in the foregoing description, the I between machine core board 120 and the display main control chip 110
2The C communication interface can join in the existing LVDS interface, through joining the I in the LVDS interface
2The C data bus just can be set up the communication function of machine core board 120 and display main control chip 110.
Further, among above-mentioned flat panel TV 100 embodiment, said display driving parameters major part comprises: monitor resolution, time sequence of display device data, TI pattern, PWM frequency data backlight, clock frequency data.
Among above-mentioned flat panel TV 100 embodiment; Through the display driving parameters is solidificated on the display main control chip 110, and on display main control chip 110, set up the communication protocol with machine core board 120, when the need driving display; 120 need of machine core board obtain the display driving parameters through communication protocol to display main control chip 110; And the driving operations of carrying out display gets final product, and need not the software work personnel and participates in revising software, realized the display plug-and-play feature; Simplify the production procedure of flat panel TV 100, reduced the production cost of flat panel TV 100.
In addition; In the foregoing description; Can also the display driving parameters be stored in the storer of display main control chip 110 place modules, machine core board 120 passes through directly reading displayed device driving parameters from the storer of display main control chip 110 place modules of external interface.
Should be understood that; More than be merely the preferred embodiments of the present invention; Can not therefore limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (11)
1. the display drive method of a flat panel TV is characterized in that, comprises step:
The display main control chip solidifies the display driving parameters, and the communication protocol of foundation and machine core board;
Machine core board obtains the display driving parameters through communication protocol to the display main control chip, and carries out the display driving operations according to said driving parameters.
2. the display drive method of flat panel TV according to claim 1 is characterized in that, said machine core board obtains the display driving parameters through communication protocol to the display main control chip and is specially:
Machine core board starts and display main control chip communication function, sends the request of obtaining of display driving parameters to the display main control chip;
The display main control chip obtains request to machine core board feedback display driving parameters according to said.
3. the display drive method of flat panel TV according to claim 2 is characterized in that, machine core board also comprises to the request of obtaining that the display main control chip sends the display driving parameters before:
Machine core board sends addressing request to the display main control chip;
The display main control chip according to said addressing request to the machine core board feedback response information;
Machine core board is specially to the request of obtaining that the display main control chip sends the display driving parameters:
Machine core board sends the request of obtaining of display driving parameters to the display main control chip according to the response message of display main control chip feedback.
4. according to the display drive method of each described flat panel TV of claim 1 to 3, it is characterized in that said communication protocol is I
2C communication protocol.
5. the display drive method of flat panel TV according to claim 4 is characterized in that, said display driving parameters comprises: the time series data of exploration on display resolution ratio, display, TI pattern, PWM frequency data backlight, clock frequency data.
6. a flat panel TV is characterized in that, comprising:
The display main control chip is used to solidify the display driving parameters, and the communication protocol of foundation and machine core board;
Machine core board is used for obtaining the display driving parameters through communication protocol to the display main control chip, and carries out the display driving operations according to said driving parameters.
7. flat panel TV according to claim 6 is characterized in that,
Said machine core board also is used for starting and display main control chip communication function, sends the request of obtaining of display driving parameters to the display main control chip;
Said display main control chip also is used for obtaining request to machine core board feedback display driving parameters according to said.
8. flat panel TV according to claim 7 is characterized in that,
Said machine core board also is used for sending addressing request to the display main control chip;
Said display main control chip also is used for according to said addressing request to the machine core board feedback response information.
9. flat panel TV according to claim 8 is characterized in that,
Said machine core board also is used for sending to the display main control chip according to the response message of display main control chip feedback the request of obtaining of display driving parameters.
10. according to each described flat panel TV of claim 6-9, it is characterized in that said communication protocol is I
2C communication protocol.
11. flat panel TV according to claim 10 is characterized in that, said display driving parameters comprises: the time series data of exploration on display resolution ratio, display, TI pattern, PWM frequency data backlight, clock frequency data.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369204.9A CN102385833B (en) | 2011-11-18 | 2011-11-18 | Panel TV and method for driving display thereof |
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| CN201110369204.9A CN102385833B (en) | 2011-11-18 | 2011-11-18 | Panel TV and method for driving display thereof |
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| CN102385833A true CN102385833A (en) | 2012-03-21 |
| CN102385833B CN102385833B (en) | 2015-04-22 |
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| CN102385833B (en) | 2015-04-22 |
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