CN103338284A - System compatible with display screen equipment - Google Patents
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- CN103338284A CN103338284A CN2013102482610A CN201310248261A CN103338284A CN 103338284 A CN103338284 A CN 103338284A CN 2013102482610 A CN2013102482610 A CN 2013102482610A CN 201310248261 A CN201310248261 A CN 201310248261A CN 103338284 A CN103338284 A CN 103338284A
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- display device
- resistive module
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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, a kind of compatible system of display device specifically.
Background technology
Mobile phone as a kind of daily communication apparatus, is extensively popularized, and compares old-fashioned landline telephone, and its travelling performance is self-evident.
Along with the fast development of mobile communication technology, the function of its mobile phone is also more and more, except can receiving and dispatching note and making a phone call, can also surf the Net with mobile phone, receiving and dispatching mail, listen to the music, plays games etc.And mobile phone is also from original button, develops into present touch.
At present, in embedded system of mobile phone, the driver of cell phone mainboard is inequality to the driving force of different display device (LCM), the driver and the display device (LCM) that is to say cell phone mainboard are one to one, same mainboard driver can't drive other dissimilar display device (LCM), so cell phone mainboard at first can be identified the display screen in the display device, distinguish the type of display screen.
The method that existing technology is distinguished different display screens is, as shown in Figure 1: generally be that cell phone mainboard 1 is to distinguish by the IC chip 2 in the display device 14, wherein, have different IC chips 2 in the dissimilar display devices.That is to say that cell phone mainboard 1 is exactly by these different IC chips 2 of identification, the type of display screen in the display device 14 that come to determine uses, thus reach purpose with the display screen compatibility.
If but same producer is by implanting identical IC chip in dissimilar display devices, reduce production costs by this mode of production, at this moment cell phone mainboard just can not be distinguished these dissimilar display devices, if the display screen in the driver in the cell phone mainboard and the such display device is not complementary, mobile phone does not just reach desirable display effect yet.
Summary of the invention
The object of the present invention is to provide a kind of compatible system of display device, even in dissimilar display devices, implant identical IC chip, dissimilar display screens is identified by the driver in the mainboard, thereby reached optimal display effect.
To achieve these goals, the present invention has designed a kind of compatible system of display device, comprises display device, is used for the mainboard of the described display device display panel type of identification, comprises in the described display device: power supply and bleeder circuit;
Described bleeder circuit one end links to each other other end ground connection with described power supply;
Wherein, described bleeder circuit possesses a voltage output end, and this voltage output end is connected to described mainboard; The output voltage of described voltage output end is relevant with described display panel type.
Embodiments of the present invention are compared with prior art, owing to be provided with bleeder circuit in display device, mainboard is the type of judging display screen in the display device by the voltage of bleeder circuit output.Even so in dissimilar display devices, implant the IC chip of same type, also can be identified by the driver in the mainboard, thereby carry out compatibility with mainboard, make display screen reach optimal display effect.
Preferably, described bleeder circuit second resistive module that comprises first resistive module, connect with described first resistive module; Described voltage output end is between described first resistive module and described second resistive module; Described voltage output end is according to the change in resistance of described first resistive module and described second resistive module, and the voltage of output varying strength is to described mainboard, and described mainboard is judged the type of display screen in the described display device according to resulting voltage strength.Because mainboard is the type of judging display screen by the voltage strength of bleeder circuit output, and the voltage strength of bleeder circuit output is to realize by the resistance that changes first resistive module and/or second resistive module, so when producing display device, only need the resistance of the resistive module in the bleeder circuit is adjusted, can be identified by the driver in the mainboard, and then carry out compatibility with mainboard.
In addition, in order to adapt to the needs in market, described first resistive module and described second resistive module can adopt the structure of a resistance respectively, perhaps adopt the structure of at least two resistance series connection respectively, or adopt the structure of at least two resistance parallel connections respectively, can select according to the actual needs during production.
And having a resistance in described first resistive module and/or described second resistive module at least is adjustable resistance.By changing the resistance of this adjustable resistance, reach the magnitude of voltage that changes whole bleeder circuit output, and need not again the resistance of other resistance to be adjusted, simplified the circuit design of whole bleeder circuit.
In addition, also comprise control chip IC in described display device, described IC links to each other with described power supply; Described power supply is described IC power supply.Can control the miscellaneous part in the display device by IC.
In addition, also be provided with analog to digital converter ADC in described mainboard, described ADC links to each other with the voltage output end of described bleeder circuit; Described ADC receives the voltage analog signal from bleeder circuit output, is uploaded in the described mainboard after described voltage analog signal is converted to digital signal, and described mainboard is judged the type of display screen in the described display device according to concrete voltage value.Owing to be provided with ADC at mainboard, so the voltage analog signal of bleeder circuit output can be converted to digital signal, make mainboard can obtain a voltage value accurately, further strengthened the discrimination of mainboard to all types of display screens.
And, in described mainboard, also being provided with memory, the driver of described each display panel type of memory stores, described mainboard call corresponding display screen driver in the described memory according to the voltage strength of described voltage output end output.Owing in mainboard, be provided with memory, and in memory, pre-installed the driver of the display screen of most of types, make mainboard to carry out compatibility with the display screen of a plurality of types.
In addition, the display screen in the described display device can adopt LCDs.
Description of drawings
Fig. 1 is the structural representation of the compatible system of existing display device;
Fig. 2 is the structural representation of compatible system of the display device of first embodiment of the invention;
Fig. 3 is the structural representation that adopts the resistance series connection in the compatible system of display device of second embodiment of the invention in each resistive module;
Fig. 4 is the structural representation that adopts the resistance parallel connection in the compatible system of display device of second embodiment of the invention in each resistive module;
Fig. 5 is the structural representation of compatible system of the display device of third embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the embodiments of the present invention are explained in detail.Yet, persons of ordinary skill in the art may appreciate that in each execution mode of the present invention, in order to make the reader understand the application better many ins and outs have been proposed.But, even without these ins and outs with based on many variations and the modification of following each execution mode, also can realize each claim of the application technical scheme required for protection.
As shown in Figure 1, the compatible system of existing display device comprises display device 14 and cell phone mainboard 1; Wherein be provided with IC chip 2 and power supply 15 in the display device, power supply 15 is powered for IC chip 2, and cell phone mainboard 1 is to distinguish by the IC chip 2 in the display device.Wherein, dissimilar display devices have different IC chips.That is to say that cell phone mainboard 1 is exactly by these different IC chips of identification, the type of the display screen that come to determine uses, thus reach purpose with all kinds of display screen compatibilities.
If but same producer is by implanting identical IC chip in dissimilar display devices, reduce production costs by this mode of production, at this moment cell phone mainboard just can not be distinguished these dissimilar display devices, if the display screen in the driver in the cell phone mainboard and the such display device is not complementary, mobile phone does not just reach desirable display effect yet.
First execution mode of the present invention relates to a kind of compatible system of display device, concrete structure as shown in Figure 2, comprise display device 3, be used for the mainboard 4 of identification display device 3 display panel type, wherein the type of display screen specifically refers to the type of LCDs.In addition, in display device 3, also include power supply 5, bleeder circuit 6 and control chip IC11.One end of bleeder circuit 6 links to each other with power supply 5, other end ground connection; IC chip 11 links to each other with mainboard 4 with power supply 5 respectively, and power supply 5 is the IC11 power supply.
Wherein, bleeder circuit 6 possesses a voltage output end 7, and this voltage output end 7 connects mainboard 4, and the output voltage of voltage output end 7 is relevant with the type of display screen.
Specifically, second resistive module 9 that bleeder circuit 6 comprises first resistive module 8, connects with first resistive module 8, voltage output end 7 is between first resistive module 8 and second resistive module 9, voltage output end 7 is according to the change in resistance of first resistive module 8 and second resistive module 9, the voltage of output varying strength is to mainboard 4, and mainboard 4 is judged the type of display screen in the display device 3 according to resulting voltage strength.
Owing in display device, be provided with bleeder circuit, mainboard is the type of judging display screen in the display device by the voltage strength of bleeder circuit output, and the voltage strength of bleeder circuit output is to realize by the resistance that changes first resistive module and second resistive module.Even so in dissimilar display devices, implant the IC chip of same type, also can be identified by the driver in the mainboard, thereby carry out compatibility with mainboard, make display screen reach optimal display effect.
In addition, also be provided with analog to digital converter ADC10 in mainboard 4, ADC10 links to each other with the voltage output end 7 of bleeder circuit 6.Receive voltage analog signal from bleeder circuit 6 outputs by ADC10, be uploaded in the mainboard 4 after voltage analog signal is converted to digital signal, mainboard 4 can be judged the type of display screen in the display device 3 according to concrete voltage value.Owing to be provided with ADC10 at mainboard 4, so the voltage analog signal of bleeder circuit output can be converted to digital signal, make mainboard can obtain a voltage value accurately, further strengthened the discrimination of mainboard to all types of display screens.
In addition, what deserves to be mentioned is that first resistive module 8 and second resistive module 9 can adopt single resistance respectively, the resistance of each resistance can the actual conditions when producing be selected.For example, in having adopted two dissimilar display devices of identical IC chip, in first display device, implant a resistance R
1=R
2The bleeder circuit of=10K Ω, the total voltage U=5V of power supply inputs to voltage U in the mainboard 4 by voltage output end after the dividing potential drop
1=2.5V.In second display device, implant a resistance R
1=15K Ω, resistance R
2=10K Ω, the total voltage of power supply is U=5V still, inputs to voltage U in the mainboard by voltage output end after the dividing potential drop
1=3V, and convert the voltage analog signal of two display devices output to digital signal by ADC10, and be uploaded in the mainboard, mainboard is according to U in two display devices
1Actual magnitude of voltage is distinguished the type of two display screens.
In addition, in the present embodiment, also be provided with memory in the mainboard 4, memory stores has the driver of all kinds of display screens, and mainboard 4 calls corresponding display screen driver in the memory according to concrete voltage value.Owing in mainboard, be provided with memory, and in memory, pre-installed the driver of the display screen of most of types, make mainboard to carry out compatibility with the display screen of a plurality of types.
Second execution mode of the present invention relates to a kind of compatible system of display device.Second execution mode and first execution mode are roughly the same, and main distinction part is: the structure of bleeder circuit, in the first embodiment, first resistive module 8 and second resistive module 9 are to adopt the form of single resistance.And in second embodiment of the invention, as shown in Figure 3: the resistance that adopts two series connection in first resistive module 8 and second resistive module 9 respectively.Perhaps, as shown in Figure 4, adopt two parallel resistor respectively in first resistive module 8 and second resistive module 9, when producing, can select the structure of bleeder circuit according to actual conditions.Concrete dividing potential drop mode and first embodiment are roughly the same, just no longer set forth here.
The 3rd execution mode of the present invention relates to a kind of compatible system of display device.The 3rd execution mode is to have done further improvement on the basis of first execution mode, and main the improvement is: as shown in Figure 5, having a resistance at least in first resistive module 8 and/or described second resistive module 9 is adjustable resistance 12.By changing the resistance of this adjustable resistance 12, reach the magnitude of voltage that changes whole bleeder circuit output, and need not again the resistance of other resistance to be adjusted, simplified the circuit design of whole bleeder circuit.
Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (10)
1. the compatible system of a display device comprises display device, is used for the mainboard of the described display device display panel type of identification, it is characterized in that: comprise in the described display device: power supply and bleeder circuit;
Described bleeder circuit one end links to each other other end ground connection with described power supply;
Wherein, described bleeder circuit possesses a voltage output end, and this voltage output end is connected to described mainboard; The output voltage of described voltage output end is relevant with described display panel type.
2. the compatible system of display device according to claim 1 is characterized in that: second resistive module that described bleeder circuit comprises first resistive module, connects with described first resistive module; Described voltage output end is between described first resistive module and described second resistive module;
Described voltage output end is according to the change in resistance of described first resistive module and described second resistive module, and the voltage of output varying strength is to described mainboard, and described mainboard is judged the type of display screen in the described display device according to resulting voltage strength.
3. the compatible system of display device according to claim 2 is characterized in that: comprise a resistance respectively in described first resistive module and described second resistive module, the described bleeder circuit of two resistance series connection formation.
4. the compatible system of display device according to claim 2 is characterized in that: the resistance that comprises two series connection in described first resistive module and described second resistive module respectively at least.
5. the compatible system of display device according to claim 2 is characterized in that: comprise two parallel resistor respectively at least in described first resistive module and described second resistive module.
6. according to the compatible system of any described display device in the claim 3 to 5, it is characterized in that: having a resistance in described first resistive module and/or described second resistive module at least is adjustable resistance.
7. according to the compatible system of any described display device in the claim 1 to 5, it is characterized in that: also comprise control chip IC in the described display device, described IC links to each other with described power supply;
Described power supply is described IC power supply.
8. according to the compatible system of any described display device in the claim 1 to 5, it is characterized in that: also be provided with analog to digital converter ADC in the described mainboard, described ADC links to each other with the voltage output end of described bleeder circuit;
Described ADC receives the voltage analog signal from bleeder circuit output, be uploaded in the described mainboard after described voltage analog signal is converted to digital signal, described mainboard is judged the type of display screen in the described display device according to the voltage value of described digital signal.
9. according to the compatible system of any described display device in the claim 1 to 5, it is characterized in that: also be provided with memory in the described mainboard;
The driver of described each display panel type of memory stores, described mainboard call corresponding display screen driver in the described memory according to the intensity of described voltage output end output voltage.
10. according to the compatible system of any described display device in the claim 1 to 5, it is characterized in that: the display screen in the described display device is LCDs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310248261.0A CN103338284B (en) | 2013-06-20 | 2013-06-20 | System compatible with display screen equipment |
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|---|---|---|---|
| CN201310248261.0A CN103338284B (en) | 2013-06-20 | 2013-06-20 | System compatible with display screen equipment |
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| Publication Number | Publication Date |
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| CN103338284A true CN103338284A (en) | 2013-10-02 |
| CN103338284B CN103338284B (en) | 2017-02-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105658143A (en) * | 2013-10-25 | 2016-06-08 | 豪夫迈·罗氏有限公司 | 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 |
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| 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 |
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| 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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2013
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| US20090289932A1 (en) * | 2006-09-08 | 2009-11-26 | Shuji Nishi | Power supply circuit and liquid crystal display apparatus |
| 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105658143A (en) * | 2013-10-25 | 2016-06-08 | 豪夫迈·罗氏有限公司 | System and method for display type detection of a handheld medical device |
| CN105658143B (en) * | 2013-10-25 | 2019-10-11 | 豪夫迈·罗氏有限公司 | The system and method that type of display for handheld medical device detects |
| 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 |
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| CN103338284B (en) | 2017-02-15 |
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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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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. |