CN1191445A - Picture function adjusting method and device for display device - Google Patents
Picture function adjusting method and device for display device Download PDFInfo
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- CN1191445A CN1191445A CN97102478A CN97102478A CN1191445A CN 1191445 A CN1191445 A CN 1191445A CN 97102478 A CN97102478 A CN 97102478A CN 97102478 A CN97102478 A CN 97102478A CN 1191445 A CN1191445 A CN 1191445A
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Abstract
A method for regulating the graphic function of display is disclosed. When user presses down selection button on control panel, display comes in graphic function simulation mode and based on the selected graphic function the graphic variation is repeatedly shown in simulation mode. Based on the graphic variation effect, user can know the selected graphic function type and its effect. Pressing regulation button can terminate simulation mode and go into parameter regulation mode. The original settings are read from storage of graphic function parameters and the parameters are regulated according to instruction of regulation button. After regulation, the regulated parameters are stored.
Description
The invention relates to a kind of display circuit, particularly relevant for a kind of method of adjustment and device of display picture function.Wherein, picture function is meant can adjust the parameter that picture presents looks, common person such as brightness (brightness), contrast (contrast), horizontal size (H-size), horizontal level (H-phase), vertical size (V-size), vertical centre (V-center), pincushion (pin-cushion) or the like.
General display (television set and the computer display screen that comprise family expenses) will consider when design provides part adjustable picture function, allows the user can adjust the looks that picture presents according to actual needs in operating process.With the computer display is example, and most of type can provide picture functions such as brightness, contrast, horizontal size, horizontal level, vertical size, vertical centre; More professional display even the adjustment function of pincushion, trapezoidal (trapezoid), quadrangle (parallel), gradient (tilt) or the like can be provided.
Fig. 1 represents known first kind of common picture function adjustment mode.The front of display 1 comprises screen area 10 and the control panel 20 in order to show.Picture 12 in the screen area 10 is that the zone that cathode ray tube scanned by inside is defined, and scanning area is controlled by the deflection circuit of inside.Have key zone 22 and function indicator 24 in the control panel 20.As shown in Figure 1, key zone 22 generally comprises three buttons at least, and button " S " is as options button, and the user can be used to select the picture function of institute's desire adjustment; Button " " " and " " " then is as the adjustment key, and the user is used for adjusting the parameter value size of this picture function behind selected picture function.24 of function indicators comprise a plurality of LED light, and the picture function pattern that indicates the indicator light representative respectively.In the example of Fig. 1, shown picture function pattern is represented brightness, contrast, vertical size, vertical centre, horizontal size, horizontal level, pincushion and trapezoidal from left to right in regular turn.Above-mentioned LED light only has one of them to be lighted when practical operation, uses the parameter function that expression is selected.The mode of user operation is the picture function that utilizes options button to select institute's desire to adjust, but in the selection course then the cresset that occurred of function of reference indicator 24 why understand at present selected adjustment function.Behind selected picture function, adjust the parameter value of picture function by adjusting key, then be accompanied by the picture effect that presents adjustment gained in the picture function adjustment process this moment on the picture 12; As shown in Figure 1, represent the LED cresset of vertical size function to be lighted, then Dui Ying screen vertical size can be adjusted key input with the user and changes.
Fig. 2 represents known second kind of common picture function adjusting method.Main difference is not adopt the function indicator on the control panel 20 to indicate selected parameter function between itself and that shown in Figure 1, replaces and change with the keypress function picture 14 in the screen area 10.Keypress function picture 14 generally is to utilize an on-screen display circuit IC (On Screen Display below is referred to as OSD) to export.OSD is under the control of display microcontroller, and directly output has the figure of picture function pattern to screen.Basically, mode of operation and the display corresponding indication message that produce of user when adjusting picture is identical with that shown in Figure 1 in this mode.That is, when the user presses options button, produce corresponding key functional picture 14 by OSDIC immediately, then when pressing options button, then indicate selected picture function on the keypress function picture 14 in anti-white or other modes in regular turn.The user just can press the adjustment key and adjust the adjustment that key carries out parameter value behind the picture function that selected institute desire is adjusted.In the adjustment process, can utilize the mode of picture 12 actual changes to inform that the user adjusts the display effect that the back is produced, the bar graph (bar diagram) that can also utilize OSD IC to be produced is informed the adjusted parameter value size of user.Above-mentioned two kinds of known picture functions are adjusted mode, all must be able to inform picture function and the adjusted display effect that the user adjusts at present basically.
Yet when considering cost of manufacture and user's factors such as operating habit, above-mentioned two kinds of known techniques just have considerable shortcoming.In known techniques shown in Figure 1, must make the indicating circuit of LED, in known techniques shown in Figure 2, then must increase the assembling of OSD IC.Therefore, cost improve relatively and assembling mechanism also comparatively complicated.
On the other hand, for general user, be not often to use the picture function of this class to adjust display effect, so remember on the panel or the keypress function picture on the pattern that occurred be to represent which kind of function, obviously very unfeasible, often the user must import some adjustment earlier, could recognize the adjustment effect of this function then from screen change; Therefore general user just must make repeated attempts inconvenience very when operation.Sum up, known techniques is real having much room for improvement in practical application.
In view of this, main purpose of the present invention is to provide the adjusting device of a kind of display picture function adjusting method and adopting said method, can simplify the required number of elements of display assembling, uses the reduction production cost.
Another object of the present invention, be to provide the adjusting device of a kind of display picture function adjusting method and adopting said method, can allow the user not need the title of memory drawing surface function and the effect of picture function, carry out the adjustment of picture easily, use and set up the easy man-machine interface of operation.
According to above-mentioned purpose, the present invention proposes a kind of display picture function adjusting method, can be used for adjusting the parameter value of several picture functions that display provides.On the control panel of display, have options button and adjust key, act on identical with known techniques.The feature of this method of adjustment is when pressing options button, and display just enters the picture function simulation model.In the picture function simulation model, display is then according to the selected picture function that arrives, picture when the parameter value that presents this picture function with analog form changes repeatedly, the user just can be according to the effect of its picture change, know the picture function type of present selection, can also understand its display effect simultaneously.Constipation bundle simulation when pressing the adjustment key, and enter the functional parameter adjustment modes.In the functional parameter adjustment modes, at first read the original start value in the storage device by stored picture functional parameter value, according to the indication of adjusting key parameter value is adjusted again.After finishing, adjusted picture function parameter value is stored in the storage device, so just finished the adjustment of picture function.
Execution mode in the picture function simulation model is at first read by the stored initial parameter value of memory, as initial value.Then, increase the parameter value of selected picture function in regular turn, and the microcontroller of display is just delivered to it in corresponding deflection circuit, the picture when using the parameter value increase of simulating this picture function.Said process is till parameter value reaches maximum.Then carry out reverse simulation, reduce the parameter value of selected picture function in regular turn, microcontroller is delivered to picture when coming analog picture functional parameter value to reduce in the corresponding deflection circuit with it, and said process also continues to arrive till the minimum value.So repetitiousness is implemented, and just can present the picture function parameter value effect of change continuously on picture.
In addition, the present invention also provides the picture function adjusting device of corresponding said method, comprising a storage device, in order to the initial parameter value of stored picture function; One control panel has with the options button of selecting one in each picture function of cause, and the adjustment key that is used for adjusting selected picture function parameter value; One microcontroller according to the parameter value adjustment amount of options button and adjustment selected picture function of key and adjustment thereof, produces control signal and delivers to the display deflection circuit, makes it according to the control signal of being sent, and adjusts the picture of this display.Be primarily characterized in that to comprise one section program in the microcontroller, can be in order to carry out following operation.When microcontroller receives the message that options button presses, according to selected picture function, produce the variable parameter value of this picture function, utilize control signal to be sent to the display deflection circuit, the picture when using this picture function parameter value change of simulation.When microcontroller receives when adjusting the message that key presses, just stop simulated action and export the initial parameter value of this picture function by this control signal, prepare to accept adjustment.This procedure code utilizes above-mentioned method of adjustment, to add up and the tired mode that subtracts parameter value, delivers to the deflection circuit, reaches required simulate effect.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Brief Description Of Drawings:
Fig. 1 represents that picture function in the known techniques adjusts the display schematic diagram of first example;
Fig. 2 represents that picture function in the known techniques adjusts the display schematic diagram of second example;
Fig. 3 represents the system block diagram of display picture function adjusting device in the embodiment of the invention;
Fig. 4 represents the flow chart of display picture function adjusting method in the embodiment of the invention;
Fig. 5 represents the flow chart of picture function simulation model in the embodiment of the invention;
Fig. 6 A represents the display schematic diagram when carrying out the picture function simulation model in the example of the present invention;
Fig. 6 B represents the display schematic diagram when carrying out the functional parameter adjustment modes in the example of the present invention.
Embodiment:
Display picture function adjusting method of the present invention, mainly be in the microcontroller of display, to add one section program, when the user selects picture function, the adjustment effect that just can on screen, present this picture function, the user just can understand the effect of this picture function at a glance, does not so just need memory drawing surface function pattern or knows in the trial mode.On the other hand,, therefore on actual assembled, can remove LED light and OSDIC fully, on the cost and a large amount of utilizations that all help industry in the assembling because said method just can be known the effect of the selected picture function of indication.Below, conjunction with figs. explanation embodiments of the invention.
Fig. 3 represents the system block diagram of display picture function adjusting device in the present embodiment.As shown in Figure 3, basically, the device of carrying out the picture function adjustment comprises memory 42, control panel 22, microcontroller 30, pulse-width modulation (Pulse Width Modulation, PWM) device 32, change-over circuit 34 and display deflection circuit 36.Memory 42 is the preset parameter values that dispatch from the factory that are used for storing each picture function, and the parameter value that sets up on their own of user.Wherein, the parameter value of each picture function must store respectively.22 of control panels have options button " S " and adjust key " " " " " ", and options button is that to be used for selecting to need adjustment person, the mode of selection from all picture functions be whenever by once promptly selecting the next item down picture function in regular turn.Adjusting key then is the parameter value that is used for adjusting selected picture function.Microcontroller 30 is a display operation control centre, can receive the scan mode of level and vertical synchronizing signal and control cathode ray tube.In the present embodiment, the effect of microcontroller 30 then is the parameter value adjustment amount according to options button and adjustment selected picture function of key and adjustment thereof, produce a control signal, after pwm circuit 32 and change-over circuit processing, export a magnitude of voltage to display deflection circuit 36, use the show state of adjusting picture.
The principal character of present embodiment is, can carry out one section program in the microcontroller 30, use and produce following operation: when microcontroller 30 receives the message that options button presses, promptly according to the selected picture function that arrives, produce the variable parameter value of selected picture function, see through pwm circuit 32 and change-over circuit 34 and be sent to display deflection circuit 36, use the selected picture of picture function when parameter value changes of simulation.And receive when adjusting the message that key presses when microcontroller 30, just stop simulated action, the initial parameter value of the at present selected picture function of output, and wait for follow-up adjustment action.So, when the user selects picture function, can present the simulate effect of at present selected picture function on the screen, the user just can be known the effect of this picture function; When the user had selected picture function and prepare further to adjust, the simulate effect on the screen suspended and returns back to the picture state of initial parameter value, and the user just can further carry out the adjustment of parameter value.
Must be noted that at pwm circuit shown in Fig. 3 32 and change-over circuit 34, its quantity must be decided on the sum of picture function.That is, must be provided with respectively for the pwm circuit of brightness use and the pwm circuit that uses for contrast.Pwm circuit 32 receives the control signal that microcontroller is exported, and produces corresponding pwm signal, and the mode of its modulation is that the work period of pwm signal is adjusted according to the picture function parameter value is proportional.In other words, parameter value is bigger, and the corresponding work period is longer.This pwm signal of 34 conversions of change-over circuit is a direct current voltage, in order to direct control display deflection circuit.Change-over circuit 34 can utilize general easy integrator to implement, and makes the direct voltage size and the length of work period of its output be directly proportional.Input to different piece in the deflection circuit 36 corresponding to the direct voltage of different pictures function, use the picture display effect that reaches required respectively.Yet when practical application, above-mentioned pwm circuit 32 or change-over circuit 34 can also be incorporated enforcement in the microcontroller 30 into.
Fig. 4 represents the flow chart of display picture function adjusting method in the present embodiment, that is controls the flow chart of adjustment program in microcontroller 30.In Fig. 4, at first, the user presses the options button on the control panel 20, selects required picture function (S1).When options button one is pressed, microcontroller 30 promptly enters in the picture function simulation model, and according to the selected picture function project that arrives of options button, the picture the when parameter value that presents this picture function changes is repeatedly used prompting selected picture function type (S2).At this moment, the user is when carrying out the picture adjustment, may continue to press options button and select other picture function project (S3), or press the adjustment key and carry out the adjustment (S4) of real screen, but as long as do not press the adjustment key, microcontroller 30 all is in the picture function simulation model, simulates according to the picture function project of selecting at present.Then, when the user presses the adjustment key, microcontroller 30 just enters in the functional parameter adjustment modes, stop simulated action immediately, and read out the initial parameter value and deliver in the deflection circuit 36, and press the situation of adjusting key according to the user, the parameter value of selected picture function is adjusted (S5); The user also can press options button this moment, selects other picture function project, continues sundry item is adjusted (S6).Otherwise in this functional parameter adjustment modes, when this adjustment key was not pressed in a scheduled time, the picture function value that this microcontroller is about to adjust gained was stored in this storage device 42; When this options button all was not pressed in a scheduled time with the adjustment key, this display just was returned to original normal pictures state (S7).
The detailed step of the picture function simulation (S2) in Fig. 4, then as shown in Figure 5.At first, microcontroller 30 be stored in the memory 42 the initial parameter value as the simulation initial value (S21), and this parameter value added 1 in regular turn, output in the PWM output circuit of corresponding this picture function project (S22), until parameter value is (S23) till the maximum.At this moment, the picture on the screen will become big gradually and produce relative variation according to parameter value, till adjustable maximum variation.After parameter value arrived maximum, 30 of microcontrollers subtracted 1 to parameter value in regular turn, and outputed in the PWM output circuit of corresponding this picture function project (S24), till parameter value arrives minimum value (S25).Above-mentioned repeatedly step can reach the picture of required analog variation.Should be noted that, it not is in order to limit the present invention that above-mentioned initial value and maximin are described, the setting of initial value can also utilize other numerical value to replace, and maximum/least limit parameter value can also utilize big/less numerical value to replace spirit still according to the invention basically.
In the functional parameter adjustment (S5) in Fig. 4, can utilize the following step to reach: at first, microcontroller 30 reads the initial parameter value of selected picture function, and the initial parameter value of picture function is delivered to corresponding deflection circuit.At this moment, the simulation of picture function project is just ended.Then, microcontroller 30 receives adjusts the indicated picture function parameter value adjustment amount of key, and adjust the picture function parameter value of delivering to deflection circuit 36 according to this, after finishing the adjustment operation, microcontroller 30 just can be stored in the memory 42 end functions parameter adjustment pattern with the picture function parameter value of adjusting gained.
According to the above, below situation when adjusting the picture function project with actual example explanation the present invention.Fig. 6 A and Fig. 6 B represent the display schematic diagram when carrying out picture function simulation model and functional parameter adjustment modes in this example respectively, that is corresponding to step S2 in the flow chart shown in Figure 4 and step S5.Among the present invention, do not need to have the indication cresset of LED on the control panel 20.When the user chose the picture function project of vertical size, this moment, picture 12 promptly presented as shown in Figure 6A the form that swings up and down, use inform the user at present selected to the effect that on screen, presented of picture function project.When the user need adjust vertical size, just press the adjustment key, this moment, picture promptly stopped simulated action, and presented according to the parameter value that the user adjusted, shown in Fig. 6 B.Therefore, the user does not need the pattern of memory drawing surface function project or the display effect of its representative, and simultaneously manufacturer can also omit LED light number even OSD IC, and it is also comparatively simple to save cost and package assembly.
Though the present invention discloses as above with a preferred embodiment, right its is not in order to limit the present invention, any those who are familiar with this art, in not breaking away from design of the present invention and scope, when doing a little change and retouching, for example: if do not consider cost factor, use display of the present invention and also can comprise a screen display (OSD) circuit that utilizes this display, make display picture when changing repeatedly, this picture function type of selecting with literal or diagrammatic representation and adjust in the step of picture function parameter value of gained.Therefore protection scope of the present invention is as the criterion when looking the claim person of defining of the present invention.
Claims (8)
1, a kind of display picture function adjusting method in order to adjust the parameter value of a plurality of picture functions in the display, has options button and adjusts key on the control panel of this display, it is characterized in that:
During options button on pressing this display control panel, this display enters the picture function simulation model, in the picture function simulation model, this display is then according to the selected picture function of this options button, present the picture in parameter value when change of this picture function, use the selected picture function type of prompting;
During adjustment key on pressing this display control panel, this display enters the functional parameter adjustment modes, in the functional parameter adjustment modes, the parameter value of the picture function selected is adjusted, and adjusted this picture function parameter value is stored in the storage device.
2, display picture function adjusting method as claimed in claim 1 is characterized in that, in this picture function simulation model, implements the method for picture that this display presents parameter value when change of picture function, comprises the following steps:
Increase progressively the parameter value of this picture function, this microcontroller is also delivered to this parameter value in the corresponding deflection circuit constantly, and the picture the when parameter value of using this picture function of simulation increases reaches one first predefined parameter value until the parameter value of this picture function; And
The parameter value of this picture function successively decreases, this microcontroller is also delivered to this parameter value in the deflection circuit of correspondence constantly, picture when using the parameter value minimizing of simulating this picture function, parameter value until this picture function reaches one second predefined parameter value, and this first predefined parameter value is higher than this second predefined parameter value.
3, display picture function adjusting method as claimed in claim 2 is characterized in that, in this picture function simulation model, this microcontroller is this picture function parameter value step of increasing progressively, successively decreasing repeatedly, and display picture is changed repeatedly.
4, display picture function adjusting method as claimed in claim 2, it is characterized in that, in this picture function simulation model, still comprise an on-screen display circuit that utilizes this display, this picture function type on this display, selected and the step of picture function parameter value thereof with literal or diagrammatic representation.
5, display picture function adjusting method as claimed in claim 1 is characterized in that, in this functional parameter adjustment modes, comprises the following steps:
This microcontroller reads the initial parameter value of this picture function;
This microcontroller is delivered to corresponding deflection circuit with the initial parameter value of this picture function;
This microcontroller receives the indicated picture function parameter value adjustment amount of this adjustment key, adjusts the picture function parameter value of delivering to this deflection circuit according to this; And
The picture function parameter value that this microcontroller will be adjusted gained is stored in this storage device.
6, display picture function adjusting method as claimed in claim 1, it is characterized in that, in this functional parameter adjustment modes, when this adjustment key was not pressed in a scheduled time, the picture function value that this microcontroller is about to adjust gained is stored in this storage device, and leaves the functional parameter adjustment modes; When this options button all was not pressed in a scheduled time with the adjustment key, this display just was returned to original normal pictures function.
7, a kind of display picture function adjusting device, it comprises:
One storage device is in order to store the initial parameter value of plural picture function;
One control panel, it has options button, in order to by selecting one in these picture functions, and adjusts key, in order to adjust the parameter value of selected picture function;
One microcontroller is adjusted the parameter value adjustment amount of selected picture function of key and adjustment thereof according to this options button and this, produces control signal; And
One display deflection circuit according to the control signal that this microcontroller is sent, is adjusted the picture of this display;
It is characterized in that:
When this microcontroller receives the message that this options button presses, according to selected picture function, this microcontroller produces the variable parameter value of this picture function of selecting, utilize this control signal to be sent to this display deflection circuit, picture when using this picture function parameter value change of analog selection, when this microcontroller receives the message that this adjustment key presses, stop simulated action and the initial parameter value of this picture function of selecting by this control signal output, and accept adjustment.
8, display picture function adjusting device as claimed in claim 7 is characterized in that, still comprises:
The plural number pulse width modulation apparatus corresponds respectively to these picture functions, in order to receive the control signal that this microcontroller is exported, produces corresponding pulse-width signal, and its work period becomes a ratio with the picture function parameter value; And
The complex conversion circuit, the pulse-width signal of changing these pulse width modulation apparatus outputs respectively is a direct voltage, in order to control this display deflection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97102478A CN1058825C (en) | 1997-02-20 | 1997-02-20 | Picture function adjusting method and device for display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97102478A CN1058825C (en) | 1997-02-20 | 1997-02-20 | Picture function adjusting method and device for display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1191445A true CN1191445A (en) | 1998-08-26 |
| CN1058825C CN1058825C (en) | 2000-11-22 |
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ID=5166296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97102478A Expired - Fee Related CN1058825C (en) | 1997-02-20 | 1997-02-20 | Picture function adjusting method and device for display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1058825C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328692C (en) * | 2002-06-21 | 2007-07-25 | 科乐美股份有限公司 | Game picture display control device, game picture display control method and game picture display control program |
| CN100384235C (en) * | 2004-12-16 | 2008-04-23 | 三星电子株式会社 | Computer system storing display environment |
| CN1751504B (en) * | 2003-02-14 | 2010-05-26 | 汤姆森许可贸易公司 | Apparatus in a TV receiver for automatically detecting the type of keyboard attached thereto |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR930018994A (en) * | 1992-02-29 | 1993-09-22 | 이필곤 | T.V built-in image display circuit |
| KR960007544B1 (en) * | 1993-09-10 | 1996-06-05 | 삼성전자 주식회사 | Osd apparatus of monitor |
-
1997
- 1997-02-20 CN CN97102478A patent/CN1058825C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328692C (en) * | 2002-06-21 | 2007-07-25 | 科乐美股份有限公司 | Game picture display control device, game picture display control method and game picture display control program |
| CN1751504B (en) * | 2003-02-14 | 2010-05-26 | 汤姆森许可贸易公司 | Apparatus in a TV receiver for automatically detecting the type of keyboard attached thereto |
| CN100384235C (en) * | 2004-12-16 | 2008-04-23 | 三星电子株式会社 | Computer system storing display environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1058825C (en) | 2000-11-22 |
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