CN203352630U - A compatible system of a display screen device - Google Patents

A compatible system of a display screen device Download PDF

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Publication number
CN203352630U
CN203352630U CN 201320357453 CN201320357453U CN203352630U CN 203352630 U CN203352630 U CN 203352630U CN 201320357453 CN201320357453 CN 201320357453 CN 201320357453 U CN201320357453 U CN 201320357453U CN 203352630 U CN203352630 U CN 203352630U
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CN
China
Prior art keywords
display device
resistive module
mainboard
display screen
voltage
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Expired - Fee Related
Application number
CN 201320357453
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Chinese (zh)
Inventor
高华东
陈杰华
冯昊
石瑞伟
汪冬方
徐光天
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Shanghai Zhuoyi Technology Co Ltd
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SHANGHAI TYD ELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN 201320357453 priority Critical patent/CN203352630U/en
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Publication of CN203352630U publication Critical patent/CN203352630U/en
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Abstract

The utility model relates to a compatible system of a display screen device. The compatible system of a display screen device comprises a display screen device and a main board used for identifying the type of a display screen in the display screen device. The display screen device comprises a power supply and a divider circuit. One end of the divider circuit is connected with the power supply, while the other end of the divider circuit is connected with ground. The divider circuit comprises a voltage output end connected with the main board. The output voltage of the voltage output end is correlated with the type of the display screen. Compared with a product in the prior art, because the divider circuit is disposed in the display screen device and the main board determines the types of the display screen in the display screen device by the voltage outputted by the divider circuit, the compatible system can be identified by a driving program in the main board, even through IC chips with same types are implanted into the display screen devices with different types, so as to be compatible with the main board for achieving an ideal display effect of the display screen.

Description

The compatible system of display device
Technical field
The utility model 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, 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 be surfed the Net with mobile phone, receiving and dispatching mail, listen to the music, plays games etc.And mobile phone is also from original button, develop into present touch.
At present, in embedded system of mobile phone, the driver of cell phone mainboard is not identical 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 at first cell phone mainboard can be identified the display screen in display device, the type of differential display screen.
The method that existing technology is distinguished different display screens is, as shown in Figure 1: be generally that cell phone mainboard 1 is distinguished by the IC chip 2 in display device 14, wherein, have different IC chips 2 in dissimilar display device.That is to say, cell phone mainboard 1 is exactly by these different IC chips 2 of identification, the type of display screen in the display device 14 come to determine used, thus reach the purpose with the display screen compatibility.
If but same producer by implanting identical IC chip in dissimilar display device, by this mode of production, reduce production costs, at this moment cell phone mainboard just can not be distinguished these dissimilar display devices, if the display screen in the driver in cell phone mainboard and such display device is not complementary, mobile phone does not just reach desirable display effect yet.
The utility model content
The purpose of this utility model is to provide a kind of compatible system of display device, even implant identical IC chip in dissimilar display device, also can make dissimilar display screen be identified by the driver in mainboard, thereby reach optimal display effect.
To achieve these goals, the utility model has designed a kind of compatible system of display device, comprises display device, for identifying the mainboard of described display device display panel type, in described display device, comprises: power supply and bleeder circuit;
Described bleeder circuit one end is connected with described power supply, other end ground connection;
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 to described display panel type.
Compared with the existing technology, owing to being provided with bleeder circuit in display device, mainboard is the type that the voltage exported by bleeder circuit judges display screen in display device to execution mode of the present utility model.Even so implant the IC chip of same type in dissimilar display device, also can be identified by the driver in mainboard, thereby carry out compatibility with mainboard, make display screen reach optimal display effect.
Preferably, the second resistive module that described bleeder circuit comprises first resistive module, connects with described the first resistive module; Described voltage output end is between described the first resistive module and described the second resistive module; Described voltage output end is according to the change in resistance of described the first resistive module and described the second resistive module, and the voltage of output varying strength is to described mainboard, and described mainboard judges the type of display screen in described display device according to resulting voltage strength.Because mainboard is the type that the voltage strength exported by bleeder circuit judges display screen, and the voltage strength of bleeder circuit output to be resistance by changing the first resistive module and/or the second resistive module realize, so only need be adjusted the resistance of the resistive module in bleeder circuit when producing display device, can be identified by the driver in mainboard, and then carry out compatibility with mainboard.
In addition, in order to adapt to the needs in market, described the first resistive module and described the second resistive module can adopt respectively the structure of a resistance, perhaps adopt respectively the structure of at least two resistance series connection, or adopt respectively the structure of at least two resistance parallel connections, during production, can be selected according to the actual needs.
And having a resistance in described the first resistive module and/or described the 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 adjusted without the resistance to other resistance again, simplified the circuit design of whole bleeder circuit.
In addition, also comprise control chip IC in described display device, described IC is connected with described power supply; Described power supply is described IC power supply.By IC, can be controlled the miscellaneous part in display device.
In addition, also be provided with analog to digital converter ADC in described mainboard, described ADC is connected with the voltage output end of described bleeder circuit; Described ADC receives the voltage analog signal from bleeder circuit output, is uploaded in described mainboard after described voltage analog signal is converted to digital signal, and described mainboard judges the type of display screen in described display device according to concrete voltage value.Owing to being provided with ADC on 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, also be provided with memory in described mainboard, the driver of described each display panel type of memory stores, described mainboard, according to the voltage strength of described voltage output end output, calls corresponding display screen driver in described memory.Owing to being provided with memory in mainboard, and pre-install the driver of the display screen of most of types in memory, made mainboard to carry out compatibility with the display screen of a plurality of types.
In addition, the display screen in described display device can adopt LCDs.
The accompanying drawing explanation
Fig. 1 is the structural representation of the compatible system of existing display device;
The structural representation of the compatible system of the display device that Fig. 2 is the utility model the first execution mode;
Adopt the structural representation of resistance series connection in the compatible system of the display device that Fig. 3 is the utility model the second execution mode in each resistive module;
Adopt the structural representation of resistance parallel connection in the compatible system of the display device that Fig. 4 is the utility model the second execution mode in each resistive module;
The structural representation of the compatible system of the display device that Fig. 5 is the utility model the 3rd execution mode.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, each execution mode of the present utility model is explained in detail.Yet, persons of ordinary skill in the art may appreciate that in each execution mode of the utility model, in order to make the reader understand the application better, many ins and outs have been proposed.But, even without these ins and outs and the many variations based on following each execution mode and modification, 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, comprise display device 14, and cell phone mainboard 1; Wherein in display device, be provided with IC chip 2 and power supply 15, power supply 15 is powered for IC chip 2, and cell phone mainboard 1 is distinguished by the IC chip 2 in display device.Wherein, dissimilar display device has different IC chips.That is to say, cell phone mainboard 1 is exactly by these different IC chips of identification, the type of the display screen come to determine used, thus reach the purpose with all kinds of display screen compatibilities.
If but same producer by implanting identical IC chip in dissimilar display device, by this mode of production, reduce production costs, at this moment cell phone mainboard just can not be distinguished these dissimilar display devices, if the display screen in the driver in cell phone mainboard and such display device is not complementary, mobile phone does not just reach desirable display effect yet.
The first execution mode of the present utility model relates to a kind of compatible system of display device, concrete structure as shown in Figure 2, comprise display device 3, for identifying the mainboard 4 of display device 3 display panel type, wherein the type of display screen specifically refers to the type of LCDs.In addition, also include 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, other end ground connection; IC chip 11 is connected 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 to the type of display screen.
Specifically, the second resistive module 9 that bleeder circuit 6 comprises first resistive module 8, connects with the first resistive module 8, voltage output end 7 is between the first resistive module 8 and the second resistive module 9, voltage output end 7 is according to the change in resistance of the first resistive module 8 and the second resistive module 9, the voltage of output varying strength is to mainboard 4, and mainboard 4 is according to the type of display screen in resulting voltage strength judgement display device 3.
Owing to being provided with bleeder circuit in display device, mainboard is the type that the voltage strength exported by bleeder circuit judges display screen in display device, and the voltage strength of bleeder circuit output to be resistance by changing the first resistive module and the second resistive module realize.Even so implant the IC chip of same type in dissimilar display device, also can be identified by the driver in 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 is connected with the voltage output end 7 of bleeder circuit 6.Receive the voltage analog signal from bleeder circuit 6 output by ADC10, be uploaded in mainboard 4 after voltage analog signal is converted to digital signal, mainboard 4 can judge according to concrete voltage value the type of display screen in display device 3.Owing on mainboard 4, being provided with ADC10, 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, it is worth mentioning that, the first resistive module 8 and the second resistive module 9 can adopt respectively single resistance, and 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, implant a resistance R in first display device 1=R 2the bleeder circuit of=10K Ω, the total voltage U=5V of power supply, input to the voltage U in mainboard 4 by voltage output end after dividing potential drop 1=2.5V.Implant a resistance R in second display device 1=15K Ω, resistance R 2=10K Ω, the total voltage of power supply is still U=5V, after dividing potential drop, by voltage output end, inputs to the voltage U in mainboard 1=3V, and convert the voltage analog signal of two display device outputs to digital signal by ADC10, and be uploaded in mainboard, mainboard is according to U in two display devices 1actual magnitude of voltage, distinguish the type of two display screens.
In addition, in the present embodiment, also be provided with memory in mainboard 4, memory stores has the driver of all kinds of display screens, and mainboard 4, according to concrete voltage value, calls corresponding display screen driver in memory.Owing to being provided with memory in mainboard, and pre-install the driver of the display screen of most of types in memory, made mainboard to carry out compatibility with the display screen of a plurality of types.
The second execution mode of the present utility model relates to a kind of compatible system of display device.The second execution mode and the first execution mode are roughly the same, and main distinction part is: the structure of bleeder circuit, in the first embodiment, the first resistive module 8 and the second resistive module 9 are the forms that adopt single resistance.And in the utility model the second execution mode, as shown in Figure 3: the resistance that adopts respectively two series connection in the first resistive module 8 and the second resistive module 9.Perhaps, as shown in Figure 4, adopt respectively the resistance of two parallel connections in the first resistive module 8 and the second resistive module 9, can be selected the structure of bleeder circuit according to actual conditions when producing.Concrete dividing potential drop mode and the first embodiment are roughly the same, are just no longer set forth here.
The 3rd execution mode of the present utility model relates to a kind of compatible system of display device.The 3rd execution mode is to have done further improvement on the basis of the first execution mode, and main the improvement is: as shown in Figure 5, having a resistance at least in the first resistive module 8 and/or described the 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 adjusted without the resistance to other resistance again, 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 embodiment of the utility model, and in actual applications, can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.

Claims (10)

1. the compatible system of a display device, comprise display device, for identifying the mainboard of described display device display panel type, it is characterized in that: in described display device, comprise: power supply and bleeder circuit;
Described bleeder circuit one end is connected with described power supply, other end ground connection;
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 to described display panel type.
2. the compatible system of display device according to claim 1, is characterized in that: the second resistive module that described bleeder circuit comprises first resistive module, connects with described the first resistive module; Described voltage output end is between described the first resistive module and described the second resistive module;
Described voltage output end is according to the change in resistance of described the first resistive module and described the second resistive module, and the voltage of output varying strength is to described mainboard, and described mainboard judges the type of display screen in described display device according to resulting voltage strength.
3. the compatible system of display device according to claim 2, is characterized in that: comprise respectively a resistance in described the first resistive module and described the 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: in described the first resistive module and described the second resistive module, at least comprise respectively the resistance of two series connection.
5. the compatible system of display device according to claim 2, is characterized in that: in described the first resistive module and described the second resistive module, at least comprise respectively the resistance of two parallel connections.
6. according to the compatible system of the described display device of any one in claim 3 to 5, it is characterized in that: having a resistance in described the first resistive module and/or described the second resistive module at least is adjustable resistance.
7. according to the compatible system of the described display device of any one in claim 1 to 5, it is characterized in that: also comprise control chip IC in described display device, described IC is connected with described power supply;
Described power supply is described IC power supply.
8. according to the compatible system of the described display device of any one in claim 1 to 5, it is characterized in that: also be provided with analog to digital converter ADC in described mainboard, described ADC is connected with the voltage output end of described bleeder circuit;
Described ADC receives the voltage analog signal from bleeder circuit output, after described voltage analog signal is converted to digital signal, be uploaded in described mainboard, described mainboard judges the type of display screen in described display device according to the voltage value of described digital signal.
9. according to the compatible system of the described display device of any one in claim 1 to 5, it is characterized in that: also be provided with memory in described mainboard;
The driver of described each display panel type of memory stores, described mainboard, according to the intensity of described voltage output end output voltage, calls corresponding display screen driver in described memory.
10. according to the compatible system of the described display device of any one in claim 1 to 5, it is characterized in that: the display screen in described display device is LCDs.
CN 201320357453 2013-06-20 2013-06-20 A compatible system of a display screen device Expired - Fee Related CN203352630U (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103338284A (en) * 2013-06-20 2013-10-02 上海天奕达电子科技有限公司 System compatible with display screen equipment
CN103956129A (en) * 2014-04-24 2014-07-30 上海优思通信科技有限公司 Automatic identification system for electronic product display screen
CN105426798A (en) * 2015-11-03 2016-03-23 重庆植恩药业有限公司 Identification device of electronic equipment
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
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
CN113539189A (en) * 2021-06-16 2021-10-22 深圳市国显科技有限公司 Method for identifying backlight module ID, backlight module and display device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103338284A (en) * 2013-06-20 2013-10-02 上海天奕达电子科技有限公司 System compatible with display screen equipment
CN103338284B (en) * 2013-06-20 2017-02-15 上海卓易科技股份有限公司 System compatible with display screen equipment
CN103956129A (en) * 2014-04-24 2014-07-30 上海优思通信科技有限公司 Automatic identification system for electronic product display screen
CN105426798A (en) * 2015-11-03 2016-03-23 重庆植恩药业有限公司 Identification device of electronic equipment
CN105426798B (en) * 2015-11-03 2018-10-16 浦江县科创进出口有限公司 Electronic equipment identification 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
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
CN113539189A (en) * 2021-06-16 2021-10-22 深圳市国显科技有限公司 Method for identifying backlight module ID, backlight module and display device

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GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: SHANGHAI ZHUOYI TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: SHANGHAI TYD ELECTRONIC TECHNOLOGY CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: 200233 Shanghai, Caobao Road, No. 509, building 1410, room 6,

Patentee after: Shanghai Zhuo Yi Science and Technology Co., Ltd.

Address before: 200233 Shanghai, Caobao Road, No. 509, building 1410, room 6,

Patentee before: Shanghai TYD Electronic Technology Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131218

Termination date: 20180620

CF01 Termination of patent right due to non-payment of annual fee