CN103338284B - System compatible with display screen equipment - Google Patents
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- CN103338284B CN103338284B CN201310248261.0A CN201310248261A CN103338284B CN 103338284 B CN103338284 B CN 103338284B CN 201310248261 A CN201310248261 A CN 201310248261A CN 103338284 B CN103338284 B CN 103338284B
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- display screen
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- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007943 implant Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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Abstract
The invention relates to a system compatible with display screen equipment. The system comprises display screen equipment and a main board for recognizing the type of the display screen of the display screen equipment, wherein the display screen equipment comprises a power supply and a voltage dividing circuit; one end of the voltage dividing circuit is connected with the power supply, and the other end of the voltage dividing circuit is grounded; the voltage dividing circuit is provided with a voltage output end; the voltage output end is connected to the main board; the output voltage of the voltage output end is related to the type of the display screen. Compared with the prior art, the mode of execution of the invention is characterized in that the voltage dividing circuit is arranged in the display screen equipment, so that the main board is used for judging the type of the display screen of the display screen equipment through the output voltage of the voltage dividing circuit. Therefore, even though IC chips of the same type are implanted into display screen equipment of different types, the IC chips can be recognized by the drive procedure of the main board so as to enable the IC chips to be compatible with the main board and enable the display screen to achieve an optimal display effect.
Description
Technical field
The present invention relates to a kind of display screen, specifically a kind of compatible system of display device.
Background technology
Mobile phone, as a kind of daily communication apparatus, has been widely spread, has compared old-fashioned landline telephone, its mobility
Can be self-evident.
With the fast development of mobile communication technology, the function of its mobile phone also gets more and more, except can receive and dispatch note and
Outside making a phone call, can also be carried out with mobile phone surfing the Net, receiving and dispatching mail, listen music, play game etc..And mobile phone is also pressed from original
Keyed, develops into present touch.
At present, in embedded system of mobile phone, the driver of cell phone mainboard is to different display devices（LCM）Drive
Kinetic force is to differ that is to say, that the driver of cell phone mainboard and display device（LCM）It is one-to-one, same
Individual mainboard driver cannot drive other different types of display devices (LCM), so cell phone mainboard first can be to display
Display screen in screen equipment is identified, and distinguishes the type of display screen.
The method that existing technology distinguishes different display screens is, as shown in Figure 1：Usually cell phone mainboard 1 is by aobvious
IC chip 2 in display screen equipment 14, come to make a distinction, wherein, has different IC chips 2 in dissimilar display device.
That is, cell phone mainboard 1 is exactly by identifying these different IC chips 2, to determine aobvious in the display device 14 of use
The type of display screen, thus reach the purpose compatible with display screen.
But if same producer passes through to implant identical IC chip in different types of display device, by this
Reducing production cost, at this moment cell phone mainboard cannot distinguish these different types of display devices to the mode of production, if hand
If display screen in driver in mainboard and such display device does not match that, mobile phone does not just reach yet
Preferably display effect.
Content of the invention
It is an object of the invention to provide a kind of compatible system of display device, even if setting in different types of display screen
Standby middle implantation identical IC chip, also can make different types of display screen be identified by the driver in mainboard, thus reaching
Optimal display effect.
To achieve these goals, the present invention devises a kind of compatible system of display device, comprise display device,
For identifying the mainboard of display panel type in described display device, comprise in described display device：Power supply and bleeder circuit；
Described bleeder circuit one end is connected with described power supply, and the other end is grounded；
Wherein, described bleeder circuit possesses a voltage output end, and this voltage output end connects to described mainboard；Described electricity
The output voltage of pressure output end is related to described display panel type.
Embodiments of the present invention compared with the existing technology, due to being provided with bleeder circuit, mainboard in display device
It is the type to judge display screen in display device for the voltage being exported by bleeder circuit.Even if so different types of aobvious
In display screen equipment implant same type IC chip, also can be identified by the driver in mainboard, thus with mainboard carry out and
Hold, make display screen reach optimal display effect.
Preferably, described bleeder circuit comprises the second of a first resistor module and described first resistor block coupled in series
Resistive module；Described voltage output end is located between described first resistor module and described second resistance module；Described voltage is defeated
Go out the change in resistance according to described first resistor module and described second resistance module for the end, the voltage of output varying strength is extremely described
In mainboard, described mainboard judges the type of display screen in described display device according to obtained voltage strength.Due to mainboard
It is the type to judge display screen for the voltage strength being exported by bleeder circuit, and the voltage strength of bleeder circuit output is to pass through
Change the resistance of first resistor module and/or second resistance module to realize, thus when producing display device only need to point
The resistance of the resistive module in volt circuit is adjusted, you can identified by the driver in mainboard, and then carries out with mainboard
Compatible.
In addition, for the needs adapting to market, described first resistor module and described second resistance module can be adopted respectively
With the structure of a resistance, or it is respectively adopted the structure of at least two resistant series, or be respectively adopted at least two electricity
Resistance structure in parallel, can be selected during production according to the actual needs.
And, at least one resistance is adjustable electric in described first resistor module and/or described second resistance module
Resistance.By changing the resistance of this adjustable resistance, to reach the magnitude of voltage changing whole bleeder circuit output, and need not be again to other
The resistance of resistance is adjusted, and simplifies the circuit design of whole bleeder circuit.
In addition, also comprising control chip IC in described display device, described IC is connected with described power supply；Described power supply
Power for described IC.Miscellaneous part in display device can be controlled by IC.
In addition, being additionally provided with analog-digital converter ADC in described mainboard, the voltage output of described ADC and described bleeder circuit
End is connected；Described ADC receives the voltage analog signal from bleeder circuit output, and described voltage analog signal is converted to numeral
It is uploaded to after signal in described mainboard, described mainboard judges display screen in described display device according to specific voltage value
Type.Due to ADC being provided with mainboard, so the voltage analog signal that bleeder circuit exports can be converted to numeral letter
Number, make mainboard can obtain an accurate voltage value, further enhance the discrimination to all types of display screens for the mainboard.
And, it is additionally provided with memory in described mainboard, the driver of each display panel type of described memory storage, institute
State the voltage strength that mainboard exports according to described voltage output end, call corresponding display screen driver in described memory.
Due to being provided with memory in the motherboard, and pre-install the driver of most types of display screen in memory so that leading
Plate can with the display screen of multiple types carry out compatible.
In addition, the display screen in described display device can adopt LCDs.
Brief description
Fig. 1 is the structural representation of the compatible system of existing display device；
Fig. 2 is the structural representation of the compatible system of display device of first embodiment of the invention；
Fig. 3 adopts resistance in the compatible system of display device of second embodiment of the invention in each resistive module
The structural representation of series connection；
Fig. 4 adopts resistance in the compatible system of display device of second embodiment of the invention in each resistive module
Structural representation in parallel；
Fig. 5 is the structural representation of the compatible system of display device of third embodiment of the invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with each reality to the present invention for the accompanying drawing
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order that reader more fully understands that the application proposes many ins and outs.But, even if there is no these ins and outs and base
In following embodiment many variations and modification it is also possible to realize each claim of the application technical side required for protection
Case.
As shown in figure 1, the compatible system of existing display device, comprise display device 14, and cell phone mainboard 1；Its
It is provided with IC chip 2 and power supply 15, power supply 15 is powered for IC chip 2, cell phone mainboard 1 is by display in middle display device
IC chip 2 in screen equipment is making a distinction.Wherein, different types of display device has different IC chips.Also
It is to say, cell phone mainboard 1 is exactly by identifying these different IC chips, determining the type of the display screen of use, thus reaching
The purpose compatible with all kinds of display screens.
But if same producer passes through to implant identical IC chip in different types of display device, by this
Reducing production cost, at this moment cell phone mainboard cannot distinguish these different types of display devices to the mode of production, if hand
If display screen in driver in mainboard and such display device does not match that, mobile phone does not just reach yet
Preferably display effect.
The first embodiment of the present invention is related to a kind of compatible system of display device, and concrete structure is as shown in Fig. 2 wrap
Containing display device 3, for identifying the mainboard 4 of display panel type in display device 3, the type of wherein display screen refers specifically to
It is the type of LCDs.In addition, also including power supply 5, bleeder circuit 6 and control chip IC11 in display device 3.
One end of bleeder circuit 6 is connected with power supply 5, and the other end is grounded；IC chip 11 is connected with power supply 5 and mainboard 4 respectively, and power supply 5 is
IC11 powers.
Wherein, bleeder circuit 6 possesses a voltage output end 7, and this voltage output end 7 connects mainboard 4, voltage output end 7
Output voltage related to the type of display screen.
Specifically, bleeder circuit 6 comprises the second resistance that a first resistor module 8 is connected with first resistor module 8
Module 9, voltage output end 7 is located between first resistor module 8 and second resistance module 9, and voltage output end 7 is according to first resistor
Module 8 and the change in resistance of second resistance module 9, to mainboard 4, mainboard 4 is according to obtained for the voltage of output varying strength
Voltage strength judges the type of display screen in display device 3.
Due to being provided with bleeder circuit in display device, mainboard is the voltage strength that exported by bleeder circuit to be sentenced
The type of display screen in disconnected display device, and the voltage strength of bleeder circuit output is by changing first resistor module and the
The resistance of two resistive module is realizing.Even if so implanting the IC chip of same type in different types of display device,
Also being identified by the driver in mainboard, thus carrying out compatible with mainboard, making display screen reach optimal display effect.
In addition, being additionally provided with analog-digital converter ADC10 in mainboard 4, voltage output end 7 phase of ADC10 and bleeder circuit 6
Even.Voltage analog signal from bleeder circuit 6 output is received by ADC10, voltage analog signal is converted to data signal
After be uploaded in mainboard 4, mainboard 4 can judge the type of display screen in display device 3 according to specific voltage value.Due to
Mainboard 4 is provided with ADC10, so the voltage analog signal that bleeder circuit exports can be converted to data signal, makes mainboard
An accurate voltage value can be obtained, further enhance the discrimination to all types of display screens for the mainboard.
In addition, it is noted that first resistor module 8 and second resistance module 9 can be respectively adopted single resistance, each electricity
The resistance of resistance can be selected according to actual conditions when producing.For example, dissimilar in employ identical IC chip two pieces
Display device in, in first piece of display device implant a resistance R1=R2The bleeder circuit of=10K Ω, power supply
Total voltage U=5V, inputs the voltage U to mainboard 4 by voltage output end after partial pressure1=2.5V.Set in second piece of display screen
Standby one resistance R of middle implantation1=15K Ω, resistance R2=10K Ω, the total voltage of power supply is still U=5V, passes through voltage after partial pressure
Output end inputs the voltage U to mainboard1=3V, and the voltage analog signal two pieces of display devices being exported by ADC10
It is converted into data signal, and is uploaded in mainboard, mainboard is according to U in two pieces of display devices1Actual magnitude of voltage, to distinguish two
The type of block display screen.
In addition, in the present embodiment, it is additionally provided with memory in mainboard 4, memory storage has the driving of all kinds of display screens
Program, mainboard 4, according to specific voltage value, calls corresponding display screen driver in memory.Due to setting in the motherboard
There is memory, and pre-installed the driver of most types of display screen in memory so that mainboard can be with multiple classes
The display screen of type carries out compatibility.
Second embodiment of the present invention is related to a kind of compatible system of display device.Second embodiment is real with first
Mode of applying is roughly the same, is in place of the main distinction：The structure of bleeder circuit, in the first embodiment, first resistor module 8
It is in the form of single resistance with second resistance module 9.And in second embodiment of the invention, as shown in Figure 3：First electricity
It is respectively adopted the resistance of two series connection in resistance module 8 and second resistance module 9.Or, as shown in figure 4, first resistor module 8 He
It is respectively adopted two resistance in parallel in second resistance module 9, can be to the structure of bleeder circuit according to actual conditions when producing
Selected.Specific partial pressure mode is roughly the same with first embodiment, is just no longer illustrated here.
Third embodiment of the present invention is related to a kind of compatible system of display device.3rd embodiment is first
Do on the basis of embodiment and improved further, be mainly improved by：As shown in figure 5, in first resistor module 8 and/or institute
Stating at least one resistance in second resistance module 9 is adjustable resistance 12.By changing the resistance of this adjustable resistance 12, to reach
Change the magnitude of voltage of whole bleeder circuit output, and need not again the resistance of other resistance be adjusted, simplify whole partial pressure
The circuit design of circuit.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (7)
1. a kind of compatible system of display device, comprises display device, is used for identifying display screen in described display device
The mainboard of type it is characterised in that：Comprise in described display device：Power supply and bleeder circuit；
Described bleeder circuit one end is connected with described power supply, and the other end is grounded；
Wherein, described bleeder circuit possesses a voltage output end, and this voltage output end connects to described mainboard；Described voltage is defeated
The output voltage going out end is related to described display panel type；
Described bleeder circuit comprises a first resistor module and the second resistance module of described first resistor block coupled in series；Institute
State voltage output end to be located between described first resistor module and described second resistance module；
, according to the change in resistance of described first resistor module and described second resistance module, output is different strong for described voltage output end
To described mainboard, described mainboard judges display screen in described display device according to obtained voltage strength to the voltage of degree
Type；
In described first resistor module and/or described second resistance module, at least one resistance is adjustable resistance；
Be additionally provided with memory in described mainboard, the driver of each display panel type of described memory storage, described mainboard according to
The intensity of described voltage output end output voltage, calls corresponding display screen driver in described memory.
2. display device according to claim 1 compatible system it is characterised in that：Described first resistor module and institute
State and in second resistance module, comprise a resistance respectively, two resistant series form described bleeder circuit.
3. display device according to claim 1 compatible system it is characterised in that：Described first resistor module and institute
State the resistance including at least two series connection in second resistance module respectively.
4. display device according to claim 1 compatible system it is characterised in that：Described first resistor module and institute
State and in second resistance module, include at least two resistance in parallel respectively.
5. display device as claimed in any of claims 1 to 4 compatible system it is characterised in that：Described aobvious
Control chip IC is also comprised, described IC is connected with described power supply in display screen equipment；
Described power supply is powered for described IC.
6. display device as claimed in any of claims 1 to 4 compatible system it is characterised in that：Described master
It is additionally provided with analog-digital converter ADC, described ADC is connected with the voltage output end of described bleeder circuit in plate；
Described ADC receives the voltage analog signal from bleeder circuit output, and described voltage analog signal is converted to numeral letter
It is uploaded to after number in described mainboard, described mainboard judges in described display device according to the voltage value of described data signal
The type of display screen.
7. display device as claimed in any of claims 1 to 4 compatible system it is characterised in that：Described aobvious
Display screen in display screen equipment is LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248261.0A CN103338284B (en) | 2013-06-20 | 2013-06-20 | System compatible with display screen equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310248261.0A CN103338284B (en) | 2013-06-20 | 2013-06-20 | System compatible with display screen equipment |
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| Publication Number | Publication Date |
|---|---|
| CN103338284A CN103338284A (en) | 2013-10-02 |
| CN103338284B true CN103338284B (en) | 2017-02-15 |
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| CN201310248261.0A Active CN103338284B (en) | 2013-06-20 | 2013-06-20 | System compatible with display screen equipment |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9063146B2 (en) * | 2013-10-25 | 2015-06-23 | Roche Diagnostics Operations, Inc. | System and method for display type detection of a handheld medical device |
| WO2019061193A1 (en) * | 2017-09-28 | 2019-04-04 | 深圳传音通讯有限公司 | Display screen compatibility method, mobile terminal, and readable storage medium |
| CN110955456A (en) * | 2018-09-27 | 2020-04-03 | 佛山市顺德区顺达电脑厂有限公司 | Mainboard device and server |
| CN112037726A (en) * | 2020-09-09 | 2020-12-04 | 珠海格力电器股份有限公司 | Display screen drive control method, device and system and household appliance |
| CN112445534A (en) * | 2020-11-25 | 2021-03-05 | 深圳宝新创科技股份有限公司 | Software compatibility method, device and equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833930A (en) * | 2010-05-12 | 2010-09-15 | 福建华映显示科技有限公司 | Liquid crystal display panel and relevant driving method |
| CN103076920A (en) * | 2013-01-05 | 2013-05-01 | 广东欧珀移动通信有限公司 | Touch panel equipment and mobile terminal |
| CN203352630U (en) * | 2013-06-20 | 2013-12-18 | 上海天奕达电子科技有限公司 | A compatible system of a display screen device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008029551A1 (en) * | 2006-09-08 | 2008-03-13 | Sharp Kabushiki Kaisha | Power supply circuit and liquid crystal display apparatus |
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2013
- 2013-06-20 CN CN201310248261.0A patent/CN103338284B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101833930A (en) * | 2010-05-12 | 2010-09-15 | 福建华映显示科技有限公司 | Liquid crystal display panel and relevant driving method |
| CN103076920A (en) * | 2013-01-05 | 2013-05-01 | 广东欧珀移动通信有限公司 | Touch panel equipment and mobile terminal |
| CN203352630U (en) * | 2013-06-20 | 2013-12-18 | 上海天奕达电子科技有限公司 | A compatible system of a display screen device |
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| CN103338284A (en) | 2013-10-02 |
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Address after: 200233 Shanghai, Caobao Road, No. 509, building 1410, room 6, Applicant after: SHANGHAI DROI TECHNOLOGY Co.,Ltd. Address before: 200233 Shanghai, Caobao Road, No. 509, building 1410, room 6, Applicant before: SHANGHAI TYD ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20200103 Address after: 201313 Room 118, Building 20, No. 83 Lane 1-42, Hongxiang North Road, Wanxiang Town, Pudong New Area, Shanghai Patentee after: Shanghai qujie Information Technology Co.,Ltd. Address before: 200233 room 6, building 509, No. 1410, Xuhui District, Shanghai, Caobao Road Patentee before: SHANGHAI DROI TECHNOLOGY Co.,Ltd. |
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Denomination of invention: System compatible with display screen equipment Effective date of registration: 20200413 Granted publication date: 20170215 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: Shanghai qujie Information Technology Co.,Ltd. Registration number: Y2020310000008 |
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Date of cancellation: 20221010 Granted publication date: 20170215 Pledgee: The Bank of Shanghai branch Caohejing Limited by Share Ltd. Pledgor: Shanghai qujie Information Technology Co.,Ltd. Registration number: Y2020310000008 |
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Address after: Room 102, Building 18, No. 1625 Caobao Road, Minhang District, Shanghai, 201101 Patentee after: Shanghai qujie Information Technology Co.,Ltd. Address before: 201313 118, 20, 1-42 Lane 83, Hongxiang North Road, Wanxiang Town, Pudong New Area, Shanghai. Patentee before: Shanghai qujie Information Technology Co.,Ltd. |