CN109117104A - Automatically select the method and its electronic device for extending display capabilities identification data - Google Patents
Automatically select the method and its electronic device for extending display capabilities identification data Download PDFInfo
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- CN109117104A CN109117104A CN201710487116.6A CN201710487116A CN109117104A CN 109117104 A CN109117104 A CN 109117104A CN 201710487116 A CN201710487116 A CN 201710487116A CN 109117104 A CN109117104 A CN 109117104A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention provides a kind of method and its electronic device for automatically selecting and extending display capabilities identification data.The electronic device includes mainboard, display panel, storage element, image process unit and control unit.Storage element, image process unit and control unit are set to mainboard.Display panel has identifier and display panel is to receive image signal.Storage element is to store the first EDID of plural number, and the main EDID in the first EDID of plural number corresponds to the identifier of display panel.Image process unit identifies that data carry out image processing to generate image signal according to main extension display capabilities.Control unit reads storage element according to identifier, and to obtain the main EDID for corresponding to identifier via storage element, main EDID is stored in image process unit by control unit.
Description
Technical field
The present invention relates to a kind of methods and its electronic device for automatically selecting and extending display capabilities and identifying data.
Background technique
In known technology, laptop and integral type (all in one；AIO) computer panel and host close
One, compared to desktop computer, the small volume of laptop and computer with integrated has easy to carry and saving space
Advantage, along with the advantage for reducing partial power line and transmission line, laptop and computer with integrated depth on the market
By the favor of consumer.
However, since laptop and integral type (all in one) computer panel and host are unified, user compared with
Few chance voluntarily Selection Floater and is assembled, therefore manufacturer is often straight when manufacturing laptop and computer with integrated
It connects and setting is shown according to the parameter designing image of built-in panel, when panel breakage must be replaced, the panel that original uses is often
It has been stopped production that, if panel is changed to other panels rather than former panel, such as be changed to other newer panels of production version, and it is former
The parameter of new panel is not supported in image display setting, causes laptop and computer with integrated can not after replacing panel
Carry out picture show and can not normal operation.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of methods for automatically selecting and extending display capabilities and identifying data
And its electronic device, may make laptop and computer with integrated gone on smoothly after replacing panel picture show and just
Often running.
To solve above-mentioned technical problem, the present invention, which provides one kind and automatically selects, extends display capabilities identification data (EDID)
Electronic device includes mainboard, display panel, storage element, image process unit and control unit.Display panel has a mark
Symbol, display panel is to receive image signal.Storage element is set to mainboard, extends display capabilities knowledge to store plural number first
Other data, and plural number first extends the main extension display capabilities identification data in display capabilities identification data and corresponds to display panel
Identifier.Image process unit is set to mainboard, to according to main extension display capabilities identify data carry out image processing with
Generate image signal.Control unit is set to mainboard, to read storage element according to identifier, to obtain via storage element
Corresponding to identifier main extension display capabilities identify data, and control unit by main extensions display capabilities identify data storage in
Image process unit.
Preferably, it includes that plural number second extends display energy that aforementioned electronic device, which further includes basic input output system memory,
Power identifies data.Aforementioned control unit is when storage element includes at least one first extension display capabilities identification data not by second
Extend display capabilities identification data and storage element is written from basic input output system memory in a start-up phase.
Preferably, aforementioned control unit more removes flag for every one first extension display capabilities in storage element according to one
It identifies data dump, does not include that at least one first extension display capabilities will when identifying data to judge storage element in start-up phase
Second, which extends display capabilities, identifies that storage element is written from basic input output system memory in data.
Preferably, aforementioned control unit judges whether storage element includes that the second extension display capabilities are known in a start-up phase
Storage element is written selectively to extend display capabilities identification data for second in other data.
Preferably, aforementioned storage element is accorded with comprising a default identification, and control unit judges display panel in a start-up phase
Identifier and default identifier it is whether identical to generate a judging result, control unit will selectively write from memory according to judging result
Recognize the identifier that identifier is updated to display panel, and storage element is selectively read with the identifier of display panel, and select
Identify data storage in image process unit main extension display capabilities to selecting property.
The present invention also provides a kind of methods for extending display capabilities identification data that automatically selects comprising via control unit root
A storage element is read according to one of display panel identifier to obtain the plural number first in storage element and extend display capabilities identification
Correspond in data main the extensions display capabilities of one of aforementioned identifiers identify data, via control unit by main extension display capabilities
Identify that data storage identifies that data carry out shadow according to main extension display capabilities in an image process unit, via image process unit
It is shown as processing with generating an image signal and carrying out image according to image signal via display panel.
Preferably, the aforementioned method for automatically selecting extension display capabilities identification data is further included via control unit in one
Start-up phase judges whether storage element includes that at least one first extension display capabilities identify data and when storage element includes
When at least one first extension display capabilities identification data, via control unit in start-up phase not by a basic input output system
Plural number second in memory extends display capabilities identification data and storage element is written.
Preferably, the aforementioned method for automatically selecting extension display capabilities identification data is further included removes via control unit
Every one first extension display capabilities in storage element identify data and when storage element does not include that at least one first extension is aobvious
When showing capability identification data, extend display capabilities identification data write-in storage list for second in start-up phase via control unit
Member.
Preferably, the aforementioned method for automatically selecting extension display capabilities identification data is further included via control unit in one
Start-up phase judges whether storage element includes that plural number second in a basic input output system memory extends display capabilities and knows
Other data are to generate a judging result and selectively be prolonged second according to judging result in start-up phase via control unit
Stretch display capabilities identification data write-in storage element.
Preferably, it is aforementioned automatically select extend display capabilities identification data method further include in a start-up phase via
Control unit judges whether one of storage element default identification symbol is identical to the identifier of display panel to generate a judgement knot
Fruit and the identifier that default identification symbol is selectively updated to via control unit according to judging result display panel；Its
In, in reading storage element and by main extension display capabilities identification data storage in the step of image process unit, control is single
Primitive root is it is judged that result selectively reads storage element according to the identifier of display panel, and control unit is according to judging result
Selectively by main extension display capabilities identification data storage in image process unit.
Compared to the prior art, the method and its electronics for extending display capabilities identification data are automatically selected according to the present invention
One of device embodiment stores plural number in storage element and extends display capabilities identification data, when user replaces display panel
Later, control unit can read corresponding EDID in storage element according to the identifier of display panel, make image process unit evidence
To generate image signal, the display panel after making replacement carries out image and shows and normal operation.
[Detailed description of the invention]
Fig. 1 is the function according to one of the electronic device for automatically selecting extension display capabilities identification data of present invention embodiment
Block diagram.
Fig. 2 is the process according to one of the method for automatically selecting extension display capabilities identification data of present invention embodiment
Figure.
Fig. 3 is according to one of the method for automatically selecting extension display capabilities identification data of present invention state sample implementation and his like
Cheng Tu.
Fig. 4 be according to the present invention automatically select extend display capabilities identification data method another state sample implementation it
Flow chart.
[specific embodiment]
Fig. 1 is the function side according to one of the electronic device for automatically selecting extension display capabilities identification data of present invention embodiment
Block figure.Fig. 2 is the flow chart according to one of the method for automatically selecting extension display capabilities identification data of present invention embodiment.Please
Merge referring to FIG. 1 and FIG. 2, electronic device 1 includes display panel 11, storage element 12, image process unit 13, control unit 14
And mainboard 15.Storage element 12, image process unit 13 and control unit 14 are set to mainboard 15, and control unit 14 is respectively coupled to
In display panel 11, storage element 12 and image process unit 13.In one embodiment, electronic device 1 can calculate for integral type
Machine, laptop or point of sale (point of sale；POS) terminal installation.
Storage element 12 extends display capabilities identification data (EDID) to store plural number first, and image process unit 13 can
Image processing is carried out according to the main EDID of one of the first EDID of plural number.In detail, display panel 11 has an identifier, display surface
The identifier of plate 11 corresponds to main EDID.Control unit 14 receive from display panel 11 identifier, control unit 14
Storage element 12 is read according to the identifier of display panel 11, and obtains the mark for corresponding to display panel 11 via storage element 12
The main EDID(step S01 of symbol).Then, main EDID is stored in image process unit 13(step S02 by control unit 14), image
Processing unit 13 carries out image processing according to main EDID, and generates image signal (step S03) accordingly.Finally, display panel 11
It receives image signal and image is carried out according to image signal and show (step S04).
Base this, when display panel 11 damages, display panel 11 can be changed to corresponding the according to the first EDID by user
Other panels of any one in one EDID.After user replaces display panel 11, control unit 14 is according to aobvious after replacement
Show that the identifier of panel 11 reads storage element 12 to obtain wherein one the oneth EDID in storage element 12 using as corresponding to
The main EDID of the identifier of display panel 11 after replacement, image process unit 13 is according to the display panel 11 after corresponding to replacement
Identifier main EDID generate image signal, make replacement after 11 normal operation of display panel.
In one embodiment, control unit 14 can be according to the identifier of display panel 11 with corresponding when executing step S01
Storage element 12 is read in one of identifier address (address), aforementioned addresses are sent to storage element 12 by control unit 14,
To obtain the main EDID for corresponding to the identifier of display panel 11 instantly in the first EDID of plural number by aforementioned addresses.In implementation
On, the identifier and control unit 14 of display panel 11 are sent to the corresponding relationship between the address of storage element 12 and can store up in advance
It deposits, such as aforementioned corresponding relationship is recorded with look-up table (look-up table), for example, look-up table can record as " 3 "
Identifier correspond to for " 0x02 " (16 system representation) address；The mark of display panel 11 is received in control unit 14
After symbol, such as identifier is " 3 ", and control unit 14 obtains corresponding with identifier further according to the corresponding relationship that look-up table is recorded
Address, that is, " 0x02 ".
On the implementation, storage element 12 and memory 131 can be non-volatile formula read-only memory (Read Only Memory；
ROM), the first EDID of plural number and memory for example, the electronics formula of erasing can make carbon copies read-only memory (EEPROM), in storage element 12
Main EDID in 131 does not disappear as the power supply of electronic device 1 is closed.Furthermore image signal is low voltage difference signal, is shown
Show panel 11 with low voltage difference signal (Low-Voltage Differential Signaling；LVDS) transmission line is connected to
Image process unit 13.Also, display panel 11 is also connected to control unit 14, the mark of display panel 11 with LVDS transmission line
Symbol system is as produced by LVDS transmission line.Specifically, identifier can be made of multiple with the position of binary representation, each by
One of LVDS transmission line transmission line is transmitted.For example, by taking identifier is four as an example, control unit 14 is through corresponding aobvious
Show panel 11 LVDS transmission line obtain display panel multiple PIN foot in wherein four PIN foot potential state (for example,
Draw high (pull high) or drag down (pull low)) combination as identifier, therefore, identifier have 16 kinds combination, and
Identifier can be transmitted by four transmission lines in LVDS transmission line, according to the logic level for the signal that four transmission lines transmit
The identifier for the display panel 11 that group control unit 14 can use to be electrically connected with mainboard 15 instantly, so the number of the first EDID
Amount can be 16.Further, control unit 14 can be with system bus (System Management Bus；SMBUS it) is separately connected
In image process unit 13 and storage element 12, control unit 14 reads the number stored by storage element 12 through system bus
According to, and the main EDID of the identifier of corresponding display panel 11 is obtained, and control unit 14 sends main EDID through system bus
To image process unit 13.
In one embodiment, the first EDID in storage element 12 may be from a BIOS memory 16.As shown in Figure 1, electric
Sub-device 1 further includes BIOS memory 16 and is coupled to control unit 14, and BIOS memory 16 stores BIOS code, and BIOS code includes plural number
2nd EDID.In this, control unit 14 can be central processing unit (CPU), and control unit 14 can be opened in the power supply of electronic device 1
BIOS code is executed after dynamic to execute boot program, and in a start-up phase of boot program by the 2nd EDID of plural number from BIOS memory
16 write-in storage elements 12, making storage element 12 includes the first EDID of corresponding 2nd EDID of plural number.However, to accelerate electronics dress
The starting up speed for setting 1, in start-up phase, whether control unit 14 can include at least one the oneth EDID according to storage element 12
To decide whether the 2nd EDID storage element 12 is written from BIOS memory 16.
Fig. 3 is the process according to one of the method for automatically selecting extension display capabilities identification data of present invention state sample implementation
Figure.It please merge referring to Fig.1 and Fig. 3, before executing step S01, control unit 14 judges that storage element 12 is in start-up phase
No includes at least one the oneth EDID(step S05) storage element 12 selectively is written in the 2nd EDID.When storage element 12
When not including an at least EDID (judging result of control unit 14 be "No"), control unit 14 is in start-up phase by second
Storage element 12(step S06 is written from BIOS memory 16 in EDID), making storage element 12 includes the first EDID；On the other hand, when
When storage element 12 includes an at least EDID (judging result of control unit 14 is "Yes"), storage element 12 executes step
S01 is without being written storage element 12 for the 2nd EDID in BIOS memory 16.In this, when the manufacturer of electronic device 1 is not in electricity
When EDID is stored in storage element 12 before dispatching from the factory by sub-device 1, when electronic device 1 be switched on for the first time, control unit 14
Judge that storage element 12 is not written by the 2nd EDID from BIOS memory 16 comprising the first EDID in storage element 12 in start-up phase,
Making storage element 12 includes the first EDID of plural number.Furthermore it disappears since the first EDID is not closed with power supply, in electronic device 1
When carrying out second of booting, control unit 12 judges that storage element 12 includes the first EDID, and control unit 12 is not by second at this time
Storage element is written from BIOS memory 16 in EDID, to increase the starting up speed of electronic device 1.On the other hand, if electronic device 1
Manufacturer EDID has been stored in storage element 12 before electronic device 1 dispatches from the factory, in electronic device 1 be switched on when, control unit
In start-up phase storage element 12 is not written at least one the 2nd EDID in basic input output system memory by 14, to increase
It is powered on the starting up speed of sub-device 1.
Further, in this state sample implementation, control unit 14 can remove flag (flag) according to one will be in storage element 12
The first EDID remove, when user be intended to by BIOS code update an EDID when, user can modify remove flag setting
Value removes control unit 14 by the EDID in storage element 12.Then, in start-up phase, since storage element 12 does not wrap
Containing the first EDID, the judging result of control unit 14 is "No", and control unit 14 executes step S06 with second after updating
EDID is written storage element 12 from BIOS memory 16 and updates the first EDID.
Fig. 4 is to automatically select another state sample implementation of method and his like for extending display capabilities and identifying data according to the present invention
Cheng Tu.It please merge referring to Fig.1 and Fig. 4.It is aobvious after display panel 11 is replaced and replaced because of damage in another state sample implementation
When showing that panel 11 does not support the EDID in storage element 12, that is to say, that the identifier of the display panel 11 after replacement,
When not corresponding to any of storage element EDID, user can be right by the identifier institute of the display panel 11 after replacement
The EDID answered is added in BIOS code to update BIOS code, and by control unit 14 after restarting, executes updated
Updated 2nd EDID is written storage element 12 and updates the first EDID by BIOS code.However, when display panel 11 not more
When changing, since the 2nd EDID does not update and it is identical to the first EDID, control unit 14 can determine whether the 2nd EDID and first at this time
EDID is identical and selects storage element 12 not to be written from BIOS memory 16 in the 2nd EDID.In this, as shown in figure 4, executing step
Before rapid S01, whether control unit 14 judges storage element 12 comprising every one second in BIOS memory 16 in start-up phase
EDID(step S07), storage element 12 selectively is written in the 2nd EDID in start-up phase.Specifically, when control is single
When the judging result of member 14 is "No", the 2nd EDID is indicated because user updates without being identical to the first EDID, control is single at this time
Only storage element 12(step S08 can be written in not identical person between 2nd EDID and the first EDID by member 14), to update first
EDID；When the judging result of control unit 14 is "Yes", indicate that the 2nd EDID does not update and is identical to the first EDID, this time control
Unit 14 processed executes step S01 without storage element 12 is written in the 2nd EDID.
In another state sample implementation, after executing step S07, when the judging result of control unit 14 is "No", control
Also storage element 12(step S08 can be written from BIOS memory 16 in every one second EDID by unit 14 processed), and cover storage element
Legacy data in 12.
In one embodiment, in order to reduce the read-write number of storage element 12 and memory 131, storage element 12 is more stored
Whether one default identification symbol, control unit 14 are identical simultaneously in the identifier of start-up phase comparison display panel 11 and default identifier
A judging result is generated, default identification symbol is selectively updated to the mark of display panel 11 according to judging result by control unit 14
Know symbol, and movement and write activity selectively are read out to storage element 12 and memory 131 respectively.Specifically, when silent
Recognize identifier it is identical as the identifier of display panel 11 when, control unit 14 does not execute step S01 and step S02, control unit
14 do not read storage element 12 according to the identifier of display panel 11, and memory 131 is not written in main EDID by control unit 14, and
Default identification symbol is not updated to the identifier of display panel 11 by display panel 11；On the other hand, when default identification accords with and shows
When the identifier of panel 11 is not identical, control unit 14 begins to execute step S01 and step S02 respectively to storage element 12 and interior
It deposits 131 to be read out and write activity, and default identification symbol is updated to the identifier of display panel 11.
In this, when electronic device 1 is switched on for the first time, since control unit 14 never writes the identifier of display panel 11
Enter storage element 12, therefore control unit 14 judges default identification symbol and display panel 11 before first time reads storage element 12
Identifier it is not identical, at this time control unit 14 and according to instantly couple control unit 14 display panel 11 identifier read
Storage element 12 is to obtain and the main EDID of the identifier of the corresponding display panel 11 for coupling control unit 14 instantly, control unit
Further memory 131 is written in acquired main EDID by 14, and the display panel 11 of control unit 14 will be coupled instantly
Storage element 12 is written to update default identification symbol in identifier.If user never replaces display panel 11, it is being switched on it for the first time
In start-up phase each time afterwards, control unit 14 judges default identification symbol and couples the display panel of control unit 14 instantly
11 identifier is identical, control unit 14 movement and write activity are not read out respectively to storage element 12 and memory 131 and
The read-write number of storage element 12 and memory 131 is reduced, and then increases the service life of storage element 12 and memory 131.
In conclusion automatically select according to the present invention extend display capabilities identification data method and its electronic device it
One embodiment stores plural number in storage element and extends display capabilities identification data, after user replaces display panel, control
Unit processed can read corresponding EDID in storage element according to the identifier of display panel, and image process unit is made to generate shadow accordingly
As signal, the display panel after making replacement carries out image and shows and normal operation.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. it is a kind of automatically select extend display capabilities identification data electronic device, characterized by comprising:
One mainboard；
One display panel has an identifier, and the display panel is to receive an image signal；
One storage element is set to the mainboard, extends display capabilities identification data to store plural number first, those first extensions
Display capabilities identify that the main extension display capabilities identification data of one of data correspond to the identifier；
One image process unit is set to the mainboard, to carry out image processing according to the main extension display capabilities identification data
To generate the image signal；And
One control unit is set to the mainboard, to read the storage element according to the identifier, to take via the storage element
It obtains and identifies that the main extension display capabilities are identified number by data, the control unit corresponding to the main extension display capabilities of the identifier
According to being stored in the image process unit.
2. electronic device as described in claim 1, which is characterized in that further include:
One basic input output system memory extends display capabilities comprising plural number second and identifies data；
Wherein, the control unit is when the storage element includes at least 1 first extension display capabilities identification data not by those
The storage element is written from the basic input output system memory in a start-up phase in second extension display capabilities identification data.
3. electronic device as claimed in claim 2, which is characterized in that the control unit more removes flag for the storage according to one
Each first extension display capabilities in unit identify data dump, to judge that the storage element does not include in the start-up phase
Those the second extension display capabilities identification data are inputted substantially from this when at least 1 first extension display capabilities identification data
The storage element is written in output system memory.
4. electronic device as described in claim 1, which is characterized in that further include:
One basic input output system memory extends display capabilities comprising plural number second and identifies data；
Wherein, which judges whether the storage element includes those the second extension display capabilities identifications in a start-up phase
Data are to be selectively written the storage element for those the second extension display capabilities identification data.
5. electronic device as described in claim 1, which is characterized in that the storage element is accorded with comprising a default identification, the control
Unit judges whether the identifier of the display panel and the default identifier are identical to generate a judgement knot in a start-up phase
Default identification symbol is selectively updated to the identifier of the display panel by fruit, the control unit according to the judgment result,
And the storage element is selectively read with the identifier of the display panel, and selectively know the main extension display capabilities
Other data storage is in the image process unit.
6. it is a kind of automatically select extend display capabilities identification data method, characterized by comprising:
One storage element is read to obtain it in the storage element according to one of display panel identifier via a control unit
Plural number first, which extends, corresponds to the main extension display capabilities identification data of one of the identifier in display capabilities identification data；
Via the control unit by the main extension display capabilities identification data storage in an image process unit；
Image processing is carried out to generate image news according to the main extension display capabilities identification data via the image process unit
Number；And
Image is carried out according to the image signal via the display panel to show.
7. automatically selecting the method for extending display capabilities identification data as claimed in claim 6, which is characterized in that further include:
Judge whether the storage element includes at least 1 first extension display capabilities in a start-up phase via the control unit
Identify data；And
When the storage element includes at least 1 first extension display capabilities identification data, via the control unit in the booting
Plural number second in one basic input output system memory is not extended display capabilities identification data and the storage element is written by the stage.
8. automatically selecting the method for extending display capabilities identification data as claimed in claim 7, which is characterized in that further include:
Each first extension display capabilities identification data in the storage element are removed via the control unit；And
When the storage element does not include at least 1 first extension display capabilities identification data, opened via the control unit in this
The storage element is written in those the second extension display capabilities identification data by the machine stage.
9. automatically selecting the method for extending display capabilities identification data as claimed in claim 6, which is characterized in that further include:
Judge whether the storage element includes in a basic input output system memory in a start-up phase via the control unit
Plural number second extend display capabilities identification data to generate a judging result；And
Selectively those the second extension display capabilities are known in the start-up phase according to the judgment result via the control unit
The storage element is written in other data.
10. automatically selecting the method for extending display capabilities identification data as claimed in claim 6, which is characterized in that further include:
Judge whether one of storage element default identification symbol is identical to the display via the control unit in a start-up phase
The identifier of panel is to generate a judging result；And
Default identification symbol is selectively updated to the mark of the display panel according to the judgment result via the control unit
Know symbol；
Wherein, identify data storage in the step of the image process unit in the reading storage element and by the main extension display capabilities
In rapid, which selectively reads the storage element according to the identifier of the display panel according to the judgment result,
And the control unit is according to the judgment result selectively by the main extension display capabilities identification data storage in the image processing
Unit.
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| CN201710487116.6A CN109117104A (en) | 2017-06-23 | 2017-06-23 | Automatically select the method and its electronic device for extending display capabilities identification data |
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| CN201710487116.6A CN109117104A (en) | 2017-06-23 | 2017-06-23 | Automatically select the method and its electronic device for extending display capabilities identification data |
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| CN105529003A (en) * | 2014-09-30 | 2016-04-27 | 施耐德电气工业公司 | Liquid crystal display system, liquid crystal display method and main control unit |
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| CN101840692A (en) * | 2010-05-24 | 2010-09-22 | 苏州佳世达光电有限公司 | Display system capable of updating and extending display identification code and method thereof |
| CN102164193A (en) * | 2011-01-21 | 2011-08-24 | 惠州Tcl移动通信有限公司 | Electronic device, manufacturing method thereof and method for identifying and driving display screen |
| US20130293443A1 (en) * | 2012-05-04 | 2013-11-07 | Samsung Electronics Co., Ltd. | Automatic detection method of video wall arrangement and video wall system using the same |
| CN103345188A (en) * | 2012-12-28 | 2013-10-09 | 常熟开关制造有限公司(原常熟开关厂） | Universal operation panel of electrical equipment |
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Application publication date: 20190101 |