CN110491322A - Screen display driver circuit and control method - Google Patents
Screen display driver circuit and control method Download PDFInfo
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- CN110491322A CN110491322A CN201810459792.7A CN201810459792A CN110491322A CN 110491322 A CN110491322 A CN 110491322A CN 201810459792 A CN201810459792 A CN 201810459792A CN 110491322 A CN110491322 A CN 110491322A
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- osd
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The present invention provides a kind of screen display driver circuit and the methods for the screen display operation for controlling display.Screen display driver circuit is set in display, and the OSD to control display is operated.Screen display driver circuit includes signal port and microprocessor.Signal port is coupled to signal channel, to execute instruction in succession from host side reception OSD open command and OSD by signal channel.It is to generate due in response to the operation of the vernier device of host side, and the movement of vernier shown on the display panel of display is controlled by vernier device that wherein OSD, which is executed instruction,.Microprocessor is coupled to signal port, to according to OSD open command driving display display panel show OSD menu, and to according to OSD execute instruction and the coordinate of vernier execute display OSD operation.
Description
Technical field
The invention relates to a kind of screens to show (On-Screen-Display；OSD) driving circuit and its controlling party
Method, it is espespecially a kind of can be by screen display driver circuit and its control method that external vernier device is controlled.
Background technique
In general, user usually must show (On- through the physical button on display come the screen controlled on screen
Screen-Display；OSD) menu interface, and then adjusting parameter, to reach specific visual effect.
In recent years on display using more and more, entire OSD menu framework is also complicated with writing.In such situation
Under, merely using physical button to operate OSD menu function, also become more and more inconvenient.In addition with the size for writing display
More and more big, user is gradually remote at a distance from display, carries out OSD operation and inconvenience through physical button.
Summary of the invention
The present invention provides a kind of screen and shows (On-Screen-Display；OSD) driving circuit and its control method, side
Just the OSD that user can carry out display by external vernier device is operated.
The screen that one embodiment of the invention discloses a kind of control display shows (On-Screen-Display；OSD it) operates
Method, above-mentioned method includes: display through signal channel from host side receive OSD open command；Display is according to OSD
Open command drives the display panel of display to show OSD menu；Display receives OSD from host side through signal channel and holds
Row instruction and vernier coordinate on a display panel, it is behaviour because of the vernier device of response host side that wherein OSD, which is executed instruction,
Make and generates, and the movement of vernier on a display panel is controlled by vernier device；And display is according to received
OSD is executed instruction and coordinate, executes the OSD operation of display.
Another embodiment of the present invention discloses a kind of OSD driving circuit.OSD driving circuit is set in display, to control
The OSD of display processed is operated.OSD driving circuit includes signal port and microprocessor.Signal port is coupled to signal channel, to
OSD open command is received from host side in succession by signal channel and OSD is executed instruction.It is because of sound that wherein OSD, which is executed instruction,
It answers the operation of the vernier device of host side and generates, and the movement of vernier shown on the display panel of display is by swimming
Device for mark is controlled.Microprocessor is coupled to signal port, to show according to the display panel of OSD open command driving display
OSD menu, and to according to OSD execute instruction and the coordinate of vernier execute display OSD operation.
Whereby, vernier device of the user through outside can carry out the OSD operation of display, with the correlation to display
Operating parameter is adjusted.
Detailed description of the invention
Fig. 1 is to be built-in with the display of the screen display driver circuit of one embodiment of the invention and couple with display
The functional block diagram of host side.
Fig. 2 is the schematic diagram of two figure layers shown by the display panel of the display of Fig. 1.
Fig. 3 is that the screen of the control display of one embodiment of the invention shows (On-Screen-Display；OSD it) operates
Method flow chart.
Fig. 4 be Fig. 1 display according to the present invention an embodiment control display OSD operation when flow chart.
Fig. 5 be Fig. 1 host side according to the present invention an embodiment control display OSD operation when flow chart.
[symbol description]
100 displays
110 screens show (OSD) driving circuit
112 signal ports
114 microprocessors
120 display panels
131 to 133 keys
140 video signal channels
150 signal channels
200 host sides
210 central processing units
220 operating systems
230 OSD control software
240 vernier devices
241,242 control element
310,320 figure layer
312 control forms
314 verniers
322 OSD menus
330 OSD options
S310 is to S340, S410 to S490, S510 to S540 step
So OSD open command
Sc OSD out code
Scl OSD is executed instruction
S1 coordinate
Sv video signal
The size of Sz OSD menu
The position of S2 OSD menu
Specific embodiment
The present invention is mainly to provide a kind of screen and shows (On-Screen-Display；OSD) driving circuit and its controlling party
Method, vernier device (such as: computer mouse) of the user through outside can carry out the OSD operation of display, and to display
Relevant operational parameter is adjusted, and greatly improves the convenience of OSD operation.
Referring to FIG. 1, Fig. 1 is to be built-in with the screen of one embodiment of the invention to show the display of (OSD) driving circuit 110
100 and with display 100 couple host side 200 functional block diagram.OSD driving circuit 110 is to be set to display 100
Interior, the OSD to control display 100 is operated.The OSD operation of display 100 refers to by the display panel in display 100
An OSD menu is shown on 120, to provide a visualization interface, and then allow user can whereby the parameter to display 100 into
Row adjustment.Wherein, the parameter of aforementioned display device 100 may include but be not limited to: the brightness of display 100, contrast, saturation degree,
Colour temperature, gamma value (Gamma), colour gamut, color curve, the width for showing picture, the length for showing picture, the inclination for showing picture
Degree, contextual model.
In the present embodiment, host side 200 is a PC (such as: desktop PC, notebook computer), and
Host side 200 transmits video signal Sv to display 100, so that display 100 is according to received through video signal channel 140
Video signal Sv driving display panel 120 shows corresponding picture.Video signal channel 140 may be disposed in a video signal cable, and institute
The video signal cable stated can be selected from by film graphic array (Video Graphics Array；VGA) cable, digital video
Interface (Digital Visual Interface；DVI) cable, high picture quantity multimedia interface (High Definition
Multimedia Interface；HDMI) the group that cable, display port (DisplayPort) cable are constituted.
Host side 200 contains central processing unit 210, operating system 220, OSD control software 230 and vernier device
240.Wherein, central processing unit 210 can be, but not limited to be that Intel (Intel), advanced micro devices (AMD), brightness reach
(NVIDIA) central processing unit manufactured by companies such as.In addition, operating system 220 and OSD control software 230 are with software
Pattern is mounted in host side 200, and can be performed by central processing unit 210.Operating system 220 can be, but not limited to be Microsoft
Windows workspace system, the macOS operating system of Apple Computers, Linux operating system.In addition, vernier device 240 can with but not
It is limited to be computer mouse (computer mouse), trace ball (tracking ball), rocking bar (joystick), Trackpad
(touch panel), the major function of vernier device 240 are the shifting for a vernier shown by controlling the display panel 120
It is relevant in dynamic and progress operating system 220 to click (Click) movement.Vernier device 240 may include multiple control elements 241
To 242, and control element 241 to 242 can be key (button), idler wheel (wheel), Trackpad (touch panel), make
User can pass through control element 241 to 242 and be clicked (Click) in the environment of operating system 220, handle (Hold), rolling
Dynamic, sliding ... waits movement.In addition, vernier device 240 can pass through the master of wired or wireless mode transmitting signals to host side 200
Machine plate, wherein central processing unit 210 is disposed upon on above-mentioned motherboard.For in a wired manner, vernier device 240 and host
It can be by such as universal serial bus (Universal Serial Bus between plate；USB), RS-232 interface or PS/2 are situated between
Interfaces are waited to be attached in face ...；It, can be by such as bluetooth between vernier device 240 and motherboard for wirelessly
(Bluetooth), Wi-Fi ... waits wireless telecommunications interface to be communicated.
OSD driving circuit 110 includes signal port 112 and microprocessor 114.Signal port 112 is coupled to signal channel
150, to receive relevant OSD instruction from host side 200 by signal channel 150, (such as: OSD open command So, OSD is executed
Instruct Scl ... etc.).In an embodiment of the present invention, signal channel 150 and video signal channel 140 are arranged in same video signal cable
(such as: VGA, DVI, HDMI or DisplayPort cable) in, and display 100 is connected to host side by this video signal cable
200.Wherein, when above-mentioned video signal cable is VGA, DVI or HDMI cable, signal channel 150 can be display data channel
(Display Data Channel；DDC)；When above-mentioned video signal cable is DisplayPort cable, signal channel 150 can be
Assist (Auxiliary；AUX) channel.In an alternative embodiment of the invention, signal channel 150 setting with above-mentioned video signal cable
In a different signal cables, and above-mentioned signal cable is connected between display 100 and host side 200.Wherein, above-mentioned
Signal cable can be, but not limited to be RS-232 cable or universal serial bus (Universal Serial Bus；USB) cable
Line.
Microprocessor 114 is coupled to signal port 112, to instruct according to OSD, drives the display panel 120 of display 100
OSD menu is shown, to execute the OSD operation of display.It instructs to enable main side machine 200 to transmit OSD to display 100, In
In one embodiment of the invention, main side machine 200 is mounted with that OSD controls software 230.Wherein, OSD, which controls software 230, can be independence
Application or a kind of attached formula and be embedded in the driving formula of vernier device 240, effect mainly to
Operation according to vernier device 240 generates relevant OSD instruction, and will be produced through signal channel 150 and signal port 112
Relevant OSD instruction send OSD driving circuit 110 to, and then make OSD driving circuit 110 can be according to received correlation
OSD instruction, control display 100 executes corresponding OSD operation.In order to be further illustrated OSD driving circuit 110 with
And the function of OSD control software 230, please also refer to Fig. 1 and Fig. 2, Fig. 2 for the display 100 of Fig. 1 120 institute of display panel
The schematic diagram of two figure layers of display.In the present embodiment, when display 100 carries out OSD operation, display panel 120 can be with
Two figure layers 310 and 320 distinguish display control form 312 and OSD menu 322.Wherein, figure layer 310 is 120 institute of display panel
The figure layer of top layer in each figure layer that can be shown, therefore when display panel 120 shows OSD menu 322 in figure layer 310, OSD menu
322 will not be covered in by other figure layers.In addition, OSD menu 322 is a translucent menu, and is controlled in the present embodiment
Form 312 can be shown in the lower layer of OSD menu 322 and fully be overlapped with OSD menu 322.Since OSD menu 322 is one
Translucent menu, therefore even if control form 312 is shown in the lower layer of OSD menu 322 and is fully covered by OSD menu 322,
Content shown by control form 312 (such as: vernier 314) still it can be seen by user.In addition, OSD menu 322 includes
Have multiple OSD options 330, each OSD option 330 respectively represents an osd function, such as: brightness, contrast, adjust automatically,
It shows the length of picture, show width, colour gamut, color curve, the gamma value (Gamma), colour temperature, contextual model, saturation of picture
Degree, leaves ... the gradient for showing picture.Vernier 314 can be moved to by user by vernier device 240 to be adjusted
Within OSD option 330, and point (Click) operation is hit by vernier device 240, where so that display 100 is executed vernier 314
The corresponding OSD of OSD option 330 on position is operated.Such as: when vernier 314 is moved to adjust the bright of display 100
In the OSD option 330 of degree, and when the control element 241 of vernier device 240 is triggered (such as: being hit a little), display 100 is held
Row adjusts the operation of the brightness of the display picture of itself.
Furthermore it is possible to further appreciate that, in the present embodiment, control form 312 is a blank of operating system 220
Form, and opened by operating system 220.When control form 312 is turned on, control form 312 can cover in operation system
220 other forms (if there is other forms) of system part Chong Die with OSD menu 322.More specifically, form is controlled
Figure layer 310 where 312 is to be only second to the figure layer on the second upper layer of figure layer 320 of top layer, and between the figure layer of top layer 320
Between other figure layers.In this way, when user controls vernier 314 and click OSD option 330 using vernier device 240,
Due to controlling the presence of form 312, that is, it can avoid the point in the display area of OSD menu 322 and choose other than control form 312
Other forms, therefore can avoid malfunction caused by due to point chooses other forms.
Below by with regard to interacting between display 100 and host side 200, to further explain in one embodiment of the invention
Be as where control display 100 OSD operation.It refer again to Fig. 1 and Fig. 2.In an embodiment of the present invention, work as host side
When 200 starting OSD control software 230, OSD control software 230 can generate OSD open command So.OSD open command So can be penetrated
Signal channel 150 is sent to signal port 112, so that microprocessor 114 is according to OSD open command So driving display 100
Display panel 120 shows OSD menu 322.Later, microprocessor 114 can exist size Sz and the OSD menu 322 of OSD menu
The information of position S2 on display panel 120 returns to host side 200, so that the operating system 220 of host side 200 is according to OSD
Position S2 of size Sz and the OSD menu 322 of menu on display panel 120 opens control form 312, and regards control
Window 312 is fully be overlapped with OSD menu 322.After OSD menu 322 and control form 312 are turned on, OSD controls software
230 judge a predetermined time (such as: ten second) of the display 100 after OSD menu 322 and control form 312 are turned on
Inside whether have and executes any OSD operation.If display 100 is after OSD menu 322 and control form 312 are turned on
Predetermined time, which has no, executes any OSD operation, then operating system 220 can close control form 312, and OSD controls software 230
OSD out code Sc can be transmitted through signal channel 150 to the signal port 112 of OSD driving circuit 110, so that microprocessor 114
120 closing OSD menus 322 are controlled the display panel according to OSD out code Sc.On the other hand, when display panel 120 shows OSD
When menu 322 and control form 312, if vernier 314 is moved in the range of control form 312, and vernier device 240 has
If hitting operation a little, then OSD control software 230 can generate OSD and execute instruction Scl, and hold OSD through signal channel 150
The coordinate S1 of row instruction Scl and vernier 314 is sent to signal port 112, so that microprocessor 114 executes instruction Scl according to OSD
And the coordinate S1 of vernier 314, control display 100 execute relevant OSD operation.Furthermore, it is understood that microprocessor 114 can be according to
Executing instruction Scl judgement according to OSD, whether execution OSD is operated display 100 instantly, and is judged according to the coordinate S1 of vernier 314
Any OSD operation of the execution of display 100 (that is, the coordinate S1 according to vernier 314 judges which vernier 314 is currently located at
OSD option 330, to carry out the operation of OSD corresponding to this OSD option 330).In this way, when OSD driving circuit 110 receives
After OSD executes instruction the coordinate S1 of Scl and vernier 314, OSD driving circuit 110 can control display 100 accordingly and execute trip
The correspondence OSD operation of OSD option 330 where mark 314.
In the above-described embodiments, OSD open command So is generated because host side 200 starts control software 230 OSD,
But the present invention is not limited thereto.For example, when user operates vernier device 240 with AD HOC, OSD control
Software 230 processed can immediately detect such operation and generate OSD open command So.Wherein, above-mentioned AD HOC is, for example:
When handling the control element 242 of (Hold) vernier device 240, double-click on (double click) vernier device 240 it is another
A control element 241；Or continuously handle control element 242 3 seconds ... and waits preset operation mode.Wherein, work as OSD
When controlling the sending OSD open command So of software 230, OSD, which controls software 230, can simultaneously notify 220 opening operation of operating system
Form 312.Similarly, the producing method of OSD out code Sc is opened in addition to above-mentioned according to OSD menu 322 and control form 312
Whether there is or not any OSD operation is executed except generation in predetermined time after opening, OSD control software 230 can also be filled according to vernier
It sets 240 operation and generates OSD out code Sc.For example, in the case where OSD menu 322 and control form 312 are turned on,
If user again operates vernier device 240 with above-mentioned AD HOC, OSD controls software 230 and generates OSD
Out code Sc.In an alternative embodiment of the invention, when user will close OSD control software 230, OSD controls software 230
It by the moment before closing the border, can practically generate and send OSD out code Sc to OSD driving circuit 110.Wherein, work as OSD
When controlling the sending OSD out code Sc of software 230, OSD, which controls software 230, can simultaneously notify 220 shutoff operation of operating system
Form 312.
The substantially process of embodiment according to the present invention, the method for the OSD operation of control display 100 can be such as institute in Fig. 3
Show.Please refer to Fig. 3.Fig. 3 is that the screen of the control display of one embodiment of the invention shows (On-Screen-Display；OSD)
The flow chart of the method for operation, the method comprise the steps of
Step S310: display 100 receives OSD open command So from host side 200 through signal channel 150；
Step S320: display 100 drives display panel 120 to show OSD menu 322 according to OSD open command So；
Step S330: display 100 receives OSD from host side 200 through signal channel 150 and executes instruction Sc and vernier
The 314 coordinate S1 on display panel 120；
Step S340: display 100 executes instruction Sc and coordinate S1 according to received OSD, executes display 100
OSD operation.
Yet further to illustrate that the present invention controls the method that the OSD of display 100 is operated, explanation will be respectively from aobvious below
Show the angle of device 100 and host side 200 to be illustrated.First for the angle of display 100, Fig. 4 can refer to.Fig. 4 is Fig. 1
Display 100 according to the present invention the OSD operation of the control display 100 of an embodiment when flow chart, and process packet therein
Contain the following steps:
Step S410: the osd function of display 100 is preset as being carried out by the physical button 131 to 133 of display 100
Control；
Step S420: microprocessor 114 judges whether to receive external OSD instruction (such as: OSD open command So, OSD
Out code Sc and OSD execute instruction Scl)；If so, thening follow the steps S430；Conversely, then repeating step S410 and S420；
Step S430: microprocessor 114 judges whether received external OSD instruction is OSD out code Sc；If
It is to then follow the steps S440；Conversely, thening follow the steps S450；
Step S440: responding received OSD out code Sc, and microprocessor 114 controls the display panel 120 closings
(that is: stopping display) OSD menu 322；
Step S450: microprocessor 114 judges whether received external OSD instruction is OSD open command Oo；If
It is to then follow the steps S460；Conversely, thening follow the steps S470；
Step S460: microprocessor 114 controls the display panel 120 unlatchings and initializes OSD menu 322, so that OSD menu
322 is completely overlapped with control form 312；
Step S470: microprocessor 114 judges whether OSD menu 322 is completely overlapped with control form 312；If so, holding
Row step S490；Conversely, thening follow the steps S480；
Step S480: microprocessor 114 controls the display panel 120 initialization OSD menus 322 so that OSD menu 322 with
It is completely overlapped to control form 312；And
Step S490: coordinate S1 of the microprocessor 114 according to vernier 314 on display panel 120 controls the display panel
120 execute OSD operation.
The purpose of above-mentioned initialization OSD menu 322 is to determine the position of OSD menu 322, and makes the OSD after initialization
Menu 322 can be completely overlapped with control form 312.In detail, when carrying out the initialization procedure of OSD menu 322, microprocessor
114 can determine the position of OSD menu 322 according to the coordinate S1 of vernier 314, and determine to control according to the size of OSD menu 322
The size of form 312 so that control form 312 and OSD menu 322 have identical size, and makes to control form 312 and OSD choosing
Single 322 are fully overlapped.Microprocessor 114 is according to the purpose of the position of the coordinate S1 decision OSD menu 322 of vernier 314:
So that display area of the OSD menu 322 on display panel 120 is covered the display area of vernier 314, and then user is allowed to exist
There are preferable and more friendly vision and operating experience when carrying out OSD operation using vernier device 240.In addition, working as microprocessor 114
According to OSD menu 322 size determine control form 312 size when, microprocessor 114 can by the size Sz of OSD menu with
And the information of position S2 of the OSD menu 322 on display panel 120 returns to host side 200, so that the operation of host side 200
Size Sz and OSD menu 322 position S2 on display panel 120 of the system 220 according to OSD menu 322, opens control view
Window 312, and the control form 312 opened can be fully be overlapped with OSD menu 322.In addition, in an embodiment of the present invention,
When the display resolution of display panel 120 is changed, microprocessor 114 also will do it the operation of initialization OSD menu 322,
Host side 200 can control form according to the display resolution adjustment of display panel 120 adjusted through operating system 220 at this time
312 size, and make the size of control form 312 adjusted identical as the size of OSD menu 322；On the other hand, when aobvious
When showing that the display resolution of panel 120 is changed, microprocessor 114 is according to the display parsing according to display panel 120 adjusted
The current coordinate of degree and vernier 314 on display panel 120 adjusts position of the OSD menu 322 on display panel 120, and makes
It obtains OSD menu 322 and control form 312 is fully be overlapped.In addition, in an alternative embodiment of the invention, by above-mentioned initialization
The operation of OSD menu 322, OSD menu 322 can be shown panel 120 and fully show, and it is shown to can avoid OSD menu 322
The edge of panel 120 is cut.
It will illustrate below from the angle of host side 200.Referring to FIG. 5, Fig. 5 be Fig. 1 host side 200 according to the present invention
Flow chart when the OSD operation of the control display 100 of one embodiment, and process therein contains the following steps:
Step S510: initialization OSD controls software 230, so that the control form 312 opened later can be with OSD menu
322 are fully overlapped；
Step S512:OSD controls the event that software 230 monitors vernier device 240；
Step S514:OSD control software 230 judges whether the display resolution of display 100 changes；If having changed,
Repeat step S510 and S512；Conversely, thening follow the steps S516；
Step S516:OSD control software 230 judges to control whether form 312 has been turned on；If controlling form 312
It is turned on, thens follow the steps S518；Conversely, thening follow the steps S524；
Step S518:OSD control software 230 judges to control whether form 312 will be closed by control；To close control view
Window 312, thens follow the steps S520；Conversely, thening follow the steps S530；
Step S520:OSD controls software 230 and operating system 220 is notified to close control form 312；
Step S522:OSD controls software 230 and penetrates signal channel 150, transmission OSD out code Sc to OSD driving circuit
110, OSD menu 322 is closed to control display 100；
Step S524:OSD control software 230 judges to control whether form 312 will be opened by control；To open control view
Window 312, thens follow the steps S526；Conversely, then repeating step S512；
Step S526:OSD controls software 230 and operating system 220 is notified to open control form 312；
Step S528:OSD controls software 230 and penetrates signal channel 150, transmission OSD open command So to OSD driving circuit
110, OSD menu 322 is opened to control display 100；
Step S530:OSD control software 230 judges whether the vernier 314 that vernier device 240 is controlled is put and is selected in control view
On window 312；If so, thening follow the steps S532；Conversely, then repeating step S512；And
Step S532:OSD controls software 230 and penetrates signal channel 150, and transmission OSD executes instruction Scl and vernier 314
Coordinate S1 to OSD driving circuit 110, execute corresponding OSD operation to control display 100 according to the coordinate S1 of vernier 314.
In conclusion the OSD driving circuit and its control method of each embodiment, display can pass through signal according to the present invention
Channel receives OSD from host side and executes instruction and the coordinate of vernier, so that the microprocessor of OSD driving circuit can be according to being connect
The OSD received is executed instruction and the coordinate of vernier, and control display executes corresponding OSD operation.Whereby, user is through outer
The vernier device in portion can carry out the OSD operation of display, be adjusted with the relevant operational parameter to display.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with
Modification, is all covered by the present invention.
Claims (10)
1. a kind of screen for controlling a display shows (On-Screen-Display；OSD) the method operated includes:
The display receives an OSD open command from a host side through a signal channel；
The display drives a display panel of the display to show an OSD menu according to the OSD open command；
The display is executed instruction through the signal channel from one OSD of host side reception and a vernier is on the display panel
Coordinate, wherein the OSD, which is executed instruction, generates due to be the operation because responding a vernier device of the host side, and the vernier is at this
Movement on display panel is controlled by the vernier device；And
The display is executed instruction according to the received OSD and the coordinate, controls the display and carries out OSD operation.
2. a kind of screen shows (On-Screen-Display；OSD) driving circuit is set in a display, to control this
The OSD of display is operated, which includes:
One signal port is coupled to a signal channel, opens to receive an OSD from a host side in succession by the signal channel
Instruction and an OSD are executed instruction, and wherein the OSD, which is executed instruction, produces due to be the operation because responding a vernier device of the host side
It is raw, and the movement of a vernier shown on a display panel of the display is controlled by the vernier device；And
One microprocessor is coupled to the signal port, to drive the display panel of the display aobvious according to the OSD open command
Show an OSD menu, and to execute instruction according to the OSD and the coordinate of the vernier controls the display and carries out OSD operation.
3. screen display driver circuit according to claim 2, wherein the microprocessor is also to by the big of the OSD menu
Small and the position of the OSD menu on the display panel information returns to the host side, so that an operation of the host side
System opens a control form, and wherein the OSD menu is a translucent menu, and the display panel shows the control form
In the lower layer of the OSD menu, and the control form and the OSD menu are fully be overlapped.
4. screen display driver circuit according to claim 3, wherein when the display resolution of the display panel changes,
The host side adjusts the size of the control form according to the display resolution adjusted, and the microprocessor is according to adjusted
The current coordinate of the display resolution and the vernier on the display panel adjusts the position of the OSD menu on the display panel
It sets.
5. screen display driver circuit according to claim 2, wherein the microprocessor drives this aobvious also according to the coordinate
Show the Display panel OSD menu, so that the display area of the OSD menu on the display panel covers the viewing area of the vernier
Domain.
6. screen display driver circuit according to claim 2, wherein the OSD menu includes multiple graphical options, should
Microprocessor judges that the coordinate corresponds to which of those graphical options graphical option, so that display foundation should
The graphical option that microprocessor is judged executes the operation of OSD corresponding to the graphical option.
7. screen display driver circuit according to claim 2, it is because responding the vernier device that wherein the OSD, which is executed instruction,
Hit point (Click) operation and generate.
8. screen display driver circuit according to claim 2, wherein when the display panel shows the OSD menu, and
When the microprocessor is from the signal channel reception to when an OSD out code, which closes according to the OSD out code
Close the OSD menu.
9. screen display driver circuit according to claim 2, wherein the signal channel is set in a video signal cable, and
The display receives a video signal from the host side through the video signal cable, and according to the video signal, drives the display surface
Plate shows corresponding picture.
10. screen display driver circuit according to claim 2, wherein the display is through a signal cable and the host
End connection, the signal channel are set in the signal cable, and the display separately penetrates a video signal cable and receives from the host side
One video signal, which is different from the signal cable, and the display controls the display panel according to the video signal
Show corresponding picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459792.7A CN110491322B (en) | 2018-05-15 | 2018-05-15 | Screen display driving circuit and control method |
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| CN201810459792.7A CN110491322B (en) | 2018-05-15 | 2018-05-15 | Screen display driving circuit and control method |
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| CN110491322A true CN110491322A (en) | 2019-11-22 |
| CN110491322B CN110491322B (en) | 2022-11-29 |
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| CN (1) | CN110491322B (en) |
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| CN110491322B (en) | 2022-11-29 |
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