CN101355639A - Method and system for matching screen of flat panel display - Google Patents
Method and system for matching screen of flat panel display Download PDFInfo
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- CN101355639A CN101355639A CNA2007100754386A CN200710075438A CN101355639A CN 101355639 A CN101355639 A CN 101355639A CN A2007100754386 A CNA2007100754386 A CN A2007100754386A CN 200710075438 A CN200710075438 A CN 200710075438A CN 101355639 A CN101355639 A CN 101355639A
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Abstract
The invention provides a method for matching a screen of a flat-panel display, comprising the following that: a. a screen matching parameter of the flat-panel display is obtained from a specification of the flat-panel display and is inputted to a computer; b. the screen matching parameter is written to a screen matching parameter memory of the screen matching system through the computer; and c. when the screen matching system is started, the screen matching parameter is read from the screen matching parameter memory to finish the screen matching flow. The technical proposal ensures that a hardware circuit board and software are not directly linked to a specific LCD panel and are suitable for various LCD panels by modifying the stored screen matching parameter, reduces the degree of coupling of the screen matching parameter of the flat-panel display with a software source code, realizes the separation of the screen matching parameter of the LCD panel from the software, reduces the workload of the detection and the test in the process of changing the flat-panel display, and improves the production efficiency.
Description
Technical field
The present invention relates to TV production test technology, particularly a kind of panel TV join the screen method and system.
Background technology
Along with the arrival in dull and stereotyped epoch, as early stage CRT pipe arrangement, the screen work of joining of the display of panel TV becomes the key link of researching and developing and producing, and becomes the key factor that influences capital turnover and production efficiency.
Because different screens has different control timing, comprise electrifying timing sequence, signal sequence, signal parameter, signal format etc., the process of joining screen is exactly that these special parameters that will shield are input in the television system program, makes television system can export the control signal that is fit to screen.
The existing screen flow process of joining is: the hardware personnel provide the sample of new screen, and guarantee that hardware connects and power supply is normal, contrast the specifications of screen by the peopleware, the key parameter of screen is joined in extraction, then these parameters are input in the program code, obtain new object code behind the compiling link, again this code is write among the television set FLASH, carry out system test then.Existing join shield flow process flow chart as shown in Figure 1.
Follow the expansion of flat-panel monitor production capacity, the manufacturer of liquid crystal display screen is increasing successively, and its production technology is also being updated, and average 2-3 month liquid crystal display screen will once be upgraded.These are upgraded, and some is the lifting of performance, but more then is in order to reduce cost.Simultaneously, though the production capacity of liquid crystal display screen is enlarging, because the production technology and the technical threshold thereof of panel TV are relatively low, numerous panel TV enterprises continue to bring out out, the aggravation that constitutes competition, the supply wretched insufficiency of liquid crystal display screen.So, all generally face such problem in the design and the manufacturing of panel TV:
(1) each liquid crystal display screen producer all can not guarantee to supply steadily in the long term, and the television set system vendor needs the often supplier of change liquid crystal display screen, therefore needs constantly to revise and joins screen software to adapt to the product of more producer;
(2) liquid crystal display screen of each producer is all in continuous upgrading, and the screen software of joining that the whole set of television manufacturer is also needs to bring in constant renewal in thereupon, brings the cost of debugging, test, test manufacture to rise thus, influences production efficiency simultaneously.
Upgrade and to join screen software according to the existing screen flow process of joining, join screen at every turn and all need to revise source code and object code, thereby need test the repertoire of system; After test is finished, also need to issue new software code, must be finished by the software design personnel, the process of joining screen is loaded down with trivial details, and efficient is lower.
Summary of the invention
The object of the present invention is to provide a kind of flat-panel monitor to join the method and system of screen, be intended to solve prior art middle plateform display and join the not high problem of plate power efficiency.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of flat-panel monitor join the screen method, described method comprises the steps:
A, from the specifications of flat-panel monitor, extract and import computer after it joins the screen parameter;
B, by described computer with described join the screen parameter write join screen system join the screen parameter storage in;
C, the described screen system of joining from described joining the screen parameter storage reading the described screen parameter of joining, are finished and are joined the screen flow process when starting.
Wherein step b also comprises:
Open the described write-protect of shielding parameter storage of joining.
Described join the screen parameter storage be E
2PROM.
The described screen parameter of joining is in following one or multinomial: screen title, screen data bits are selected, the differential signal LVDS interface of the low amplitude of oscillation of transistor-transistor logic circuit TTL/ is selected, the control of LVDS interface data, effectively display width, effectively show height, electrifying timing sequence, power-off sequential, clock and synchronous phase control, drive current control, row field synchronization parameter, a row field Total, reference clock frequency.
Wherein step c specifically comprises:
When described when joining the screen system electrifying startup, the described screen system of joining is from read the described screen parameter of joining described joining the screen parameter storage, joins the described flat-panel monitor of screen parameter initialization, the demonstration of disposing described flat-panel monitor according to described then.
The present invention also provides a kind of screen system of joining of flat-panel monitor, and described system comprises computer, TV master chip, TV main storage and join the screen parameter storage, wherein:
Described computer is used for receiving joins the screen parameter and the described screen parameter of joining is written to the described screen parameter storage of joining;
The described screen parameter storage of joining is connected with described TV master chip, is used for storing that described computer writes joins the screen parameter, and the described TV master chip of confession reads;
Described TV master chip is used for shielding the demonstration of joining screen parameter configuration flat-panel monitor that parameter storage is imported according to described joining.
The described screen parameter storage of joining has write-protect, and described computer during parameter, is opened described write-protect to the described screen of joining of its input.
The described screen parameter of joining is in following one or multinomial: screen title, screen data bits are selected, the differential signal LVDS interface of the low amplitude of oscillation of transistor-transistor logic circuit TTL/ is selected, the control of LVDS interface data, effectively display width, effectively show height, electrifying timing sequence, power-off sequential, clock and synchronous phase control, drive current control, row field synchronization parameter, a row field Total, reference clock frequency.
Describedly join screen parameter storage and described computer expert and cross I
2The C bus links to each other.
Described computer can pass through serial ports, via the described screen parameter storage of joining of described TV master chip dereference.
The present invention overcomes the deficiencies in the prior art, employing is joined the screen parameter and is joined the source code that shields software and separate flat-panel monitor, be stored in separately in the nonvolatile random access memory (NVRAM), when joining the screen parameter update, realize joining in the nonvolatile random access memory shielding writing of parameter by computer, realize joining the renewal of shielding parameter to being stored in separately.Technical scheme provided by the invention makes hardware circuit board and software not be directly linked to specific liquid crystal display screen, but can adapt to various types of liquid crystal display screens by the screen parameter of joining of revising storage, reduce and joining of flat-panel monitor shield the parameter and the software source code degree of coupling, the realization liquid crystal display screen is joined screen and is separated with software, reduce the workload of checking and testing in the flat-panel monitor replacing process, enhance productivity.
Description of drawings
Fig. 1 be prior art join the screen flow chart;
Fig. 2 is the described screen system theory diagram of joining of the embodiment of the invention;
Fig. 3 is an embodiment of the invention flow chart.
Embodiment
Technical scheme provided by the invention is: with the joining screen parameter (hereinafter to be referred as joining the screen parameter) and join the source code that shields software and separate of flat-panel monitor, be stored in separately in the nonvolatile random access memory (NVRAM).Be in the hardware writing protection state during this nonvolatile storage operate as normal, guarantee to join the screen parameter and can not rewritten by accident.When joining the screen parameter update, realize joining in the nonvolatile random access memory shielding writing of parameter by computer to being stored in separately, realize joining the renewal of shielding parameter.Make hardware circuit board and software not be directly linked to specific flat-panel monitor like this, but can adapt to various types of displays, thereby improved the flexibility of joining screen to greatest extent by the screen parameter of joining of revising storage.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.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.
In the embodiment of the invention, flat-panel monitor is that example describes with the LCD, technical scheme provided by the invention also goes for other flat-panel monitor, its difference is specifically to join the difference of shielding parameter, those of ordinary skill in the art need not can realize that through creative work this does not give unnecessary details.
See also Fig. 1, the screen system of joining of the present invention mainly comprises TV printed circuit board (PCB) (pcb board) and coupled computer.Wherein, the TV pcb board comprises TV master chip and main storage, and this main storage passes through I
2C (Inter-Integrated Circuit) bus is connected to the TV master chip, and the TV master chip is connected to the serial ports of computer.
Wherein, master chip is the core component of television system, the operation and the function that are supported whole system by it realize, general TV master chip comprises MCU (microprocessor), SCALER (convergent-divergent control module), DEINTERLACE modules such as (processing modules line by line), master chip is when system start-up, from join the screen parameter storage, read up-to-date screen parameter certificate, carry out system initialization work.And the main storage requisite part that is television system, it is storing settings such as user data such as brightness, contrast, volume, Default Value such as sound accompaniment curve, the white balance data etc. of also storing this product simultaneously.
The embodiment of the invention has increased on the TV pcb board joins the screen parameter storage.Because liquid crystal display screen is the critical component that shows, the accuracy of its parameter setting is most important especially, and that therefore separates joins the screen parameter reliable memory space must be arranged, with the correctness that guarantees to show; Joining in this memory space shield parameter simultaneously and can be rewritten by specific purpose tool again, to guarantee to join the flexibility of screen, this just need realize joining the storage of shielding parameter with the memory of erasable type.Because the original memory of television system carries out read-write operation in the course of the work always, the important screen parameter of joining is put into the safety that wherein can not guarantee data, therefore need second memory of adding to store and join the screen parameter, this memory is in a read states at ordinary times, have only by specific purpose tool and just can open write-in functions, can solve storage problem and safety problem simultaneously like this.
In the present embodiment, this data storage adopts E
2PROM (EEPROM (Electrically Erasable Programmable Read Only Memo)).This memory can with the shared I of the original memory of system
2The C bus also can be used independently I
2The C bus.If shared I
2The C bus, then two memories have identical access mode and different address of devices.In addition, computer can pass through serial ports, via the described screen parameter storage of joining of described TV master chip dereference.
The basic parameter that to join the screen needs from the specifications of LCD extracts in the mode of fixed data structure, the common screen parameter of joining comprises the screen title, the screen data bits is selected, TTL/LVDS (Transister-Transister-Logic transistor-transistor logic circuit /differential signal of the low amplitude of oscillation of Low Voltage DifferentialSignaling) interface is selected, the control of LVDS interface data, effective display width, effectively show height, electrifying timing sequence, power-off sequential, clock and synchronous phase control, drive current control, row field synchronization parameter, a row Total (comprises Htotal, the sum of all pixels of every row, and Vtotal, every total line number), reference clock frequency etc.Extract after the above-mentioned parameter, these parameters be input to computer, then by computer will join the screen parameter be written to join the screen parameter storage in.When system's electrifying startup, the TV master chip reads from join the screen parameter storage joins the screen parameter, joins screen parameter initialization liquid crystal display screen according to these then, and the demonstration of configuration liquid crystal display screen is finished and joined the screen flow process.
When liquid crystal display screen supplier change or the upgrading of same supplier's liquid crystal display screen after, join the screen parameter and change, need join screen this moment again.The technical staff extracts the new screen parameter of joining from the specifications of liquid crystal display screen; these parameters are input to computer; open then and join the write-protect of shielding parameter storage; by computer will join the screen parameter be written to join the screen parameter storage in; when joining the screen system electrifying startup, the TV master chip reads the parameter storage and joins the screen parameter after the renewal from joining screen, joins screen parameter initialization liquid crystal display screen according to these then; the demonstration of configuration liquid crystal display screen is finished and is joined the screen flow process.
The flow chart of the embodiment of the invention specifically comprises following step as shown in Figure 3:
1, new liquid crystal display screen and computer, television set pcb board are connected;
2, from the specifications of new liquid crystal display screen, extract and join the screen parameter, and these are joined the screen parameter be input in the computer;
3, open and join the write-protect of shielding parameter storage, will join the screen parameter by computer and be written to and join in the screen parameter storage;
4, join the screen system electrifying startup, from join the screen parameter storage, read and join the screen parameter;
5, join screen system according to joining screen parameter initialization liquid crystal display screen, the demonstration of configuration liquid crystal display screen is finished and is joined the screen flow process;
6, finish relevant portion test of screen ginseng and the part System Functional Test relevant, issue new screen ginseng code with shielding ginseng.
Technical scheme provided by the invention for simply joining screen work, changes the little screen etc. that changes such as screen upgrading, parameter in use, can be undertaken by hardware or factory, in the initial stage proof procedure of screen, can raise the efficiency like this, obtain preliminary conclusion as early as possible.And join screen work for complicated slightly, and then can transfer to the peopleware to be responsible for finishing, will finally join the screen data to export to factory, directly importing.Factory can accumulate and join the screen database simultaneously, directly imports in changing the screen process, to shorten software test and release cycle.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of flat-panel monitor join the screen method, it is characterized in that described method comprises the steps:
A, from the specifications of flat-panel monitor, extract and import computer after it joins the screen parameter;
B, by described computer with described join the screen parameter write join screen system join the screen parameter storage in;
C, the described screen system of joining from described joining the screen parameter storage reading the described screen parameter of joining, are finished and are joined the screen flow process when starting.
2, method according to claim 1 is characterized in that, wherein step b also comprises:
Open the described write-protect of shielding parameter storage of joining.
3, method according to claim 1 is characterized in that, described join the screen parameter storage be E
2PROM.
4, method according to claim 1, it is characterized in that the described screen parameter of joining is in following one or multinomial: screen title, screen data bits are selected, the differential signal LVDS interface of the low amplitude of oscillation of transistor-transistor logic circuit TTL/ is selected, the control of LVDS interface data, effectively display width, effectively show height, electrifying timing sequence, power-off sequential, clock and synchronous phase control, drive current control, row field synchronization parameter, a row field Total, reference clock frequency.
5, method according to claim 1 is characterized in that, wherein step c specifically comprises:
When described when joining the screen system electrifying startup, the described screen system of joining is from read the described screen parameter of joining described joining the screen parameter storage, joins the described flat-panel monitor of screen parameter initialization, the demonstration of disposing described flat-panel monitor according to described then.
6, a kind of flat-panel monitor join screen system, it is characterized in that described system comprises computer, TV master chip, TV main storage and join the screen parameter storage, wherein:
Described computer is used for receiving joins the screen parameter and the described screen parameter of joining is written to the described screen parameter storage of joining;
The described screen parameter storage of joining is connected with described TV master chip, is used for storing that described computer writes joins the screen parameter, and the described TV master chip of confession reads;
Described TV master chip is used for shielding the demonstration of joining screen parameter configuration flat-panel monitor that parameter storage is imported according to described joining.
7, system according to claim 6 is characterized in that, the described screen parameter storage of joining has write-protect, and described computer during parameter, is opened described write-protect to the described screen of joining of its input.
8, system according to claim 6, it is characterized in that the described screen parameter of joining is in following one or multinomial: screen title, screen data bits are selected, the differential signal LVDS interface of the low amplitude of oscillation of transistor-transistor logic circuit TTL/ is selected, the control of LVDS interface data, effectively display width, effectively show height, electrifying timing sequence, power-off sequential, clock and synchronous phase control, drive current control, row field synchronization parameter, a row field Total, reference clock frequency.
9, system according to claim 6 is characterized in that, describedly joins screen parameter storage and described computer expert and crosses I
2The C bus links to each other.
10, system according to claim 6 is characterized in that, described computer can pass through serial ports, via the described screen parameter storage of joining of described TV master chip dereference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100754386A CN101355639A (en) | 2007-07-27 | 2007-07-27 | Method and system for matching screen of flat panel display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100754386A CN101355639A (en) | 2007-07-27 | 2007-07-27 | Method and system for matching screen of flat panel display |
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| CN101355639A true CN101355639A (en) | 2009-01-28 |
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| CNA2007100754386A Pending CN101355639A (en) | 2007-07-27 | 2007-07-27 | Method and system for matching screen of flat panel display |
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| CN102157123A (en) * | 2011-04-18 | 2011-08-17 | 广州视源电子科技有限公司 | Method for testing driving plate of liquid crystal display screen |
| CN102169665A (en) * | 2011-03-17 | 2011-08-31 | 华容电子（昆山）有限公司 | Mainboard testing controller of liquid crystal display (LCD) and liquid crystal display television (LCDTV) |
| CN102194412A (en) * | 2010-03-18 | 2011-09-21 | 上海果壳电子有限公司 | Automatic setting method for parameters of electronic ink screens |
| CN102346995A (en) * | 2010-08-03 | 2012-02-08 | 深圳Tcl新技术有限公司 | Screen configuration method for liquid crystal display device |
| CN102385833A (en) * | 2011-11-18 | 2012-03-21 | 深圳Tcl新技术有限公司 | Panel TV and method for driving display thereof |
| CN102404520A (en) * | 2011-11-22 | 2012-04-04 | 四川长虹电器股份有限公司 | Liquid crystal screen and method for setting screen parameter |
| CN102509539A (en) * | 2011-10-17 | 2012-06-20 | 冠捷显示科技(武汉)有限公司 | Method for automatically matching universal panel of display equipment system |
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| CN104992685A (en) * | 2015-07-16 | 2015-10-21 | 陈巨根 | Automatic screen parameter drive configuration method |
| CN105096872A (en) * | 2015-08-13 | 2015-11-25 | 深圳市华星光电技术有限公司 | Liquid crystal display starting method |
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| CN105681699A (en) * | 2016-01-15 | 2016-06-15 | 四川长虹电器股份有限公司 | Control method and device of LVDS (Low-Voltage Differential Signaling) data clock of liquid crystal display television |
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| CN105681699A (en) * | 2016-01-15 | 2016-06-15 | 四川长虹电器股份有限公司 | Control method and device of LVDS (Low-Voltage Differential Signaling) data clock of liquid crystal display television |
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Application publication date: 20090128 |