CN203618049U - Mobile phone display screen debugging device - Google Patents
Mobile phone display screen debugging device Download PDFInfo
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- CN203618049U CN203618049U CN201320736785.XU CN201320736785U CN203618049U CN 203618049 U CN203618049 U CN 203618049U CN 201320736785 U CN201320736785 U CN 201320736785U CN 203618049 U CN203618049 U CN 203618049U
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- display screen
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- phone display
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model provides a mobile phone display screen debugging device which comprises a first connector, a second connector, an I/O level conversion circuit, an analog digital conversion circuit, a power supply matching circuit, a download interface, a communication interface and a controller. The first connector, the analog digital conversion circuit, the control device and the power supply matching circuit are electrically connected with the second connector in order. The I/O level conversion circuit is electrically connected with the first connector, the second connector and the controller respectively. The controller is also electrically connected with the download interface and the communication interface. According to the mobile phone display screen debugging device, through the digital analog conversion circuit and the power supply matching circuit, the voltage of the first connector and the voltage of the second connected are matched, thus the transmitted signal and driving ability of the mobile phone display screen debugging device are same with that of a mobile phone motherboard, and a simple and practical device is provided for the debugging of a mobile phone display screen.
Description
Technical field
The utility model relates to a kind of debugging apparatus, particularly relates to a kind of mobile phone display screen debugging apparatus.
Background technology
Display screen is a kind of human-machine intelligence's interaction platform, and consumer has promoted the operating experience to electronic product especially smart mobile phone by manipulation display screen, and therefore, this human-machine intelligence's interactive application is more and more subject to consumer's favor.
Cell phone mainboard and mobile phone display screen kind are various, have nothing in common with each other, and for this reason, each display screen is debugged according to corresponding with it cell phone mainboard.Because mobile phone display screen and cell phone mainboard be often by different manufacturer production, and also cannot be by corresponding one by one to display screen and cell phone mainboard, so display screen manufacturer can only adopt analogue mobile phone mainboard to debug mobile phone display screen before assembling.But, between actual cell phone mainboard and simulation mainboard, there is some difference, cause mating not good problem between display screen and actual cell phone mainboard, and these problems are all could find, can opponent's machine assembling producer also there is no the debugging apparatus that can debug display screen according to current phone mainboard simply and easily at present in actual production.
Utility model content
Based on this, be necessary to provide a kind of mobile phone display screen debugging apparatus that can debug mobile phone display screen according to current phone mainboard simply and easily.
A kind of mobile phone display screen debugging apparatus, comprising: the first connector, the second connector, I/O level shifting circuit, analog to digital conversion circuit, power supply adapter circuit, download interface, communication interface and controller.
Described the first connector is used for connecting cell phone mainboard.
Described the second connector is for connecting the mobile phone display screen to be debugged matching with described cell phone mainboard.
Analog-digital conversion circuit as described is for being converted to voltage value by I/O mouth voltage and the analog voltage of described cell phone mainboard.
Described I/O level shifting circuit is for becoming the voltage identical with the I/O mouth of described cell phone mainboard and described mobile phone display screen by the I/O mouth voltage transitions of described controller.
Described download interface is used for receiving configuration data and outputs to described controller.
Described communication interface, for receiving switching signal output that described configuration data is selected, also reads and writes to described mobile phone display screen debug signal the output controlled for receiving.
Described controller is for receiving the voltage value of analog-digital conversion circuit as described output and exporting to described power supply adapter circuit, also for receiving described configuration data, described switching signal and described debug signal.
Described power supply adapter circuit is for receiving described voltage value and described voltage value being converted to the voltage mating with described I/O level shifting circuit and described mobile phone display screen.
Described the first connector, analog-digital conversion circuit as described, described controller, described power supply adapter circuit and described the second connector are electrically connected successively, described I/O level shifting circuit is electrically connected with described the first connector, described the second connector, described controller respectively, and described controller is also electrically connected with described download interface, described communication interface.
In one of them embodiment, described controller is programming device.
In one of them embodiment, described programming device is field programmable gate array chip.
In one of them embodiment, described the first connector comprises with described the second connector the cable socket interface being connected for the double-row needle of circuit switch and with stitch one end of described double-row needle.
In one of them embodiment, described interface is the pad that coordinates FPC welding.
In one of them embodiment, described interface is ZIF connector.
In one of them embodiment, the distance between adjacent described pad is 0.4mm～1.0mm.
In one of them embodiment, the distance between the adjacent leads of described ZIF connector is 0.3mm.
In one of them embodiment, described download interface is jtag interface.
In one of them embodiment, described communication interface is serial line interface.
Compared to prior art, above-mentioned mobile phone display screen debugging apparatus mates the voltage of the first connector by D/A converting circuit and power supply adapter circuit with the voltage of the second connector, make mobile phone display screen debugging apparatus identical with cell phone mainboard in the signal transmitting, driving force, for the debugging of mobile phone display screen provides a kind of simple and practical commissioning device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one preferred embodiment mobile phone display screen debugging apparatus.
Embodiment
As shown in Figure 1, it is the structural representation of the utility model one preferred embodiment mobile phone display screen debugging apparatus 10, comprising: the first connector 110, the second connector 120, analog to digital conversion circuit 130, I/O level shifting circuit 140, download interface 150, communication interface 160, controller 170 and power supply adapter circuit 180.
Described the first connector 110, analog-digital conversion circuit as described 130, described controller 170, described power supply adapter circuit 180 and described the second connector 120 are electrically connected successively, described I/O level shifting circuit 140 is electrically connected with described the first connector 110, described the second connector 120, described controller 170 respectively, and described controller 170 is also electrically connected with described download interface 150, described communication interface 160.
Described the first connector 110 is for connecting cell phone mainboard.Described the first connector 110 comprises the interface welding for the double-row needle of circuit switch and with stitch one end of described double-row needle.When providing FPC(Flexible Printed Circuit, flexible print wiring board on cell phone mainboard), described interface is the pad that coordinates FPC welding, can be also the ZIF connector of pegging graft and using.The interface pin of cell phone mainboard is less than 60 conventionally, can be according to the type selecting of the FPC described ZIF connector with certain number of pins and spacing with matching, and the distance between the adjacent leads of described ZIF connector is preferably 0.3mm.Distance between described pad is 0.4mm～1.0mm, and conventional FPC pin distance is 0.5mm, and therefore the distance between described pad is preferably 0.5mm.
Described the second connector 120 is for connecting the mobile phone display screen to be debugged matching with described cell phone mainboard.Because mobile phone display screen majority, by special display screen manufacturers produce, for the frivolous demand of mobile phone display screen, often adopts the platform of FPC as bearer circuit, and does not adopt hard circuit board.The described interface that described the second connector 120 comprises is the pad that coordinates FPC welding, can be also the ZIF connector of pegging graft and using, and the distance between the adjacent leads of described ZIF connector is preferably 0.3mm.The described ZIF connector that can match with FPC according to the type selecting number of pins of the FPC of mobile phone display screen and spacing.Distance between described pad is 0.4mm～1.0mm, and conventional FPC pin distance is 0.5mm, and therefore the distance between described pad is preferably 0.5mm.
Analog-digital conversion circuit as described 130 is for being converted to voltage value by I/O mouth voltage and the analog voltage of described cell phone mainboard.In the present embodiment, the interface pin of cell phone mainboard comprises: signal pin, power pin and pin backlight.Signal pin is that cell phone mainboard sends the I/O port that data are used, as RESET port, CS(Chip Select, chip selection) port and DB(Decibel, decibel) port etc., the described double-row needle of described the first connector 110 being connected with signal pin is plugged short circuit cap and can realize the line conduction of signal pin and described I/O level shifting circuit 140.Power pin comprises I/O mouth voltage and analog voltage output pin, for the signal pin of mobile phone display screen provides driving voltage, realizes the sequential transmission of data-signal between the signal pin of cell phone mainboard and the signal pin of mobile phone display screen; Analog voltage is the required supply voltage of mobile phone display screen work.The described double-row needle being connected with power pin and pin backlight is without plugging short circuit cap, can patch the double-row needle stitch being connected with power pin by one end of wire jumper, the other end connects analog-digital conversion circuit as described 130, makes power pin and analog-digital conversion circuit as described 130 electric connections.Analog-digital conversion circuit as described 130 converts the I/O mouth voltage of analog signal form and analog voltage to the voltage value of digital signal form.
Described I/O level shifting circuit 140 is for becoming the voltage identical with the I/O mouth of described cell phone mainboard and described mobile phone display screen by the I/O mouth voltage transitions of described controller 170.If want described controller 170 by the signal pin realization of cell phone mainboard and the data communication of cell phone mainboard, need the level match of the I/O mouth and the cell phone mainboard signal pin that guarantee described controller 170.Such as: " 1 " when the I/O mouth of described controller 170 is 5V high level in representative digit signal, " 0 " during for 0V low level in representative digit signal; And the signal pin of cell phone mainboard " 1 " in representative digit signal while being 3.3V high level, " 0 " during for 0V low level in representative digit signal.Described controller 170 is to the level in scope 4.5V～5.5V collecting, all be defaulted as representative digit signal " 1 ", in the time that cell phone mainboard sends digital signal " 1 " to described controller 170, level used is 3.3V, the 3.3V level representative digit signal " 0 " that 170 judgements of described controller collect, so, just can produce garble, described controller 170 just cannot be realized and communicating by letter with cell phone mainboard.
Described download interface 150 is for receiving configuration data and outputing to described controller 170.The configuration data that described download interface 150 receives is to come from the configuration file that computer is write, and described download interface 150 can be USB interface, in the present embodiment, is preferably jtag interface.Computer downloads to described controller 170 by jtag interface by configuration data.
Described communication interface 160, for receiving switching signal output that described configuration data is selected, also reads and writes to described mobile phone display screen debug signal the output controlled for receiving.On computer, write in advance operation interface software, by operation interface software, described controller 170 has been communicated.Described communication interface 160 is serial line interface, optional RS-232 interface, RS-485 interface etc.
Described controller 170 is for the voltage value that receives analog-digital conversion circuit as described 130 and export and export to described power supply adapter circuit 180, also for receiving described configuration data, described switching signal and described debug signal.In the present embodiment, described controller 170 is programming device, is preferably field programmable gate array chip, i.e. PFGA.The I/O mouth voltage of cell phone mainboard power pin and analog voltage are converted to two kinds of voltage values by analog-digital conversion circuit as described 130, i.e. I/O mouth voltage value and analog voltage numerical value.And analog-digital conversion circuit as described 130 can not initiatively write I/O mouth voltage value and analog voltage numerical value in described controller 170, the described controller 170 need to read-write capability reads I/O mouth voltage value and analog voltage numerical value and is write in described power supply adapter circuit 180 from analog-digital conversion circuit as described 130.The described configuration data that described controller 170 receiving computers are downloaded by described download interface 150 storage, described configuration data is divided into for controlling that cell phone mainboard is communicated with the signal pin of mobile phone display screen and the first configuration data of communicating and communicate by letter, realize the second configuration data that described controller 170 is communicated with and communicates with the signal pin of mobile phone display screen for what disconnect cell phone mainboard and mobile phone display screen.User can export described switching signal by triggering corresponding control in described operation interface software, and then described the first configuration data and described the second configuration data are carried out to selectivity switching.
Described power supply adapter circuit 180 is for receiving described voltage value and described voltage value being converted to the voltage mating with described I/O level shifting circuit 140 and described mobile phone display screen.The interface pin of mobile phone display screen comprises: signal pin, power pin and pin backlight.This signal pin is the I/O port that mobile phone display screen receives the data use of the signal pin output of cell phone mainboard, as RESET port, CS port and DB port etc., the described double-row needle being connected with mobile phone display screen signal pin is plugged short circuit cap and can realize the line conduction of mobile phone display screen signal pin and described I/O level shifting circuit 140.Mobile phone display screen power pin comprises I/O mouth voltage and analog voltage input pin, the driving voltage that the I/O mouth voltage of the I/O mouth voltage reception cell phone mainboard of mobile phone display screen provides, realizes the sequential transmission of data-signal between the signal pin of cell phone mainboard and the signal pin of mobile phone display screen; The supply voltage that mobile phone display screen analog voltage provides for cell phone mainboard analog voltage output pin.The described double-row needle of described the second connector being connected with mobile phone display screen power pin and pin backlight is without plugging short circuit cap, can patch the double-row needle stitch being connected with mobile phone display screen power pin by one end of wire jumper, the other end connects described power supply adapter circuit 180, makes mobile phone display screen power pin and described power supply adapter circuit 180 electric connections.Described power supply adapter circuit 180 converts the I/O mouth voltage value of the digital signal form receiving from described controller 170 and analog voltage numerical value I/O mouth voltage and the analog voltage of analog signal form to and exports to I/O mouth voltage and the analog voltage input pin that mobile phone display screen is corresponding.The pin backlight of mobile phone display screen is communicated with by wire jumper with the pin backlight of cell phone mainboard.Described power supply adapter circuit 180 is also given described I/O level shifting circuit 140 by the I/O mouth Voltage-output of analog signal form, for described I/O level shifting circuit 140 provides supply voltage.In the time of cell phone mainboard power-off, in described power supply adapter circuit 180, store I/O mouth voltage value and analog voltage numerical value, can also continue to convert thereof into I/O mouth voltage and the analog voltage of analog signal form and export to I/O mouth voltage and the analog voltage input pin that mobile phone display screen is corresponding, and providing supply voltage for described I/O level shifting circuit 140.
The operation principle of mobile phone display screen debugging apparatus 10 is as follows:
Cell phone mainboard and mobile phone display screen are connected respectively to the first connector 110 and the second connector 120 by above-mentioned correct mode, then open the power supply of mobile phone display screen debugging apparatus 10, manual operation makes cell phone mainboard start.Under initial condition, described controller 170 moves described the first configuration data, realizes cell phone mainboard and mobile phone display screen communicates.Cell phone mainboard loads setup code and mobile phone display screen is carried out to initialization operation to mobile phone display screen, and send resolution chart sheet and various UI interface shows to mobile phone display screen, commissioning staff can be according to the requirement of client's display effect on mobile phone display screen to picture and UI interface, switch to the second configuration data by operation interface software described in operation computer, disconnection cell phone mainboard is communicated by letter with mobile phone display screen, makes described controller 170 carry out data communication with mobile phone display screen.The setup code that mobile phone display screen receives described computer export carries out initialization, and the display effect such as brightness by debug signal described in described computer export to mobile phone display screen, contrast, degree bright in luster is debugged.Then switch to the first configuration data, judge that for client whether picture and UI interface that now mobile phone display screen shows meet the demands, and finish debugging if meet; If do not meet and continue, by above-mentioned debug process, mobile phone display screen is carried out to debugging operations.
Above-mentioned mobile phone display screen debugging apparatus 10 its real object that makes simple in structure is long-pending less, can conveniently carry out debugging work according to current cell phone mainboard and mobile phone display screen according to two of its setting connectors, solve actual cell phone mainboard and mobile phone display screen and exist the problem of matching difference.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a mobile phone display screen debugging apparatus, is characterized in that, comprising: the first connector, the second connector, I/O level shifting circuit, analog to digital conversion circuit, power supply adapter circuit, download interface, communication interface and controller,
Described the first connector is used for connecting cell phone mainboard;
Described the second connector is for connecting the mobile phone display screen to be debugged matching with described cell phone mainboard;
Analog-digital conversion circuit as described is for being converted to voltage value by I/O mouth voltage and the analog voltage of described cell phone mainboard;
Described I/O level shifting circuit is for becoming the voltage identical with the I/O mouth of described cell phone mainboard and described mobile phone display screen by the I/O mouth voltage transitions of described controller;
Described download interface is used for receiving configuration data and outputs to described controller;
Described communication interface, for receiving switching signal output that described configuration data is selected, also reads and writes to described mobile phone display screen debug signal the output controlled for receiving;
Described controller is for receiving the voltage value of analog-digital conversion circuit as described output and exporting to described power supply adapter circuit, also for receiving described configuration data, described switching signal and described debug signal;
Described power supply adapter circuit is for receiving described voltage value and described voltage value being converted to the voltage mating with described I/O level shifting circuit and described mobile phone display screen;
Described the first connector, analog-digital conversion circuit as described, described controller, described power supply adapter circuit and described the second connector are electrically connected successively, described I/O level shifting circuit is electrically connected with described the first connector, described the second connector, described controller respectively, and described controller is also electrically connected with described download interface, described communication interface.
2. mobile phone display screen debugging apparatus according to claim 1, is characterized in that, described controller is programming device.
3. mobile phone display screen debugging apparatus according to claim 2, is characterized in that, described programming device is field programmable gate array chip.
4. mobile phone display screen debugging apparatus according to claim 1, is characterized in that, described the first connector comprises with described the second connector the interface being connected for the double-row needle of circuit switch and with stitch one end of described double-row needle.
5. mobile phone display screen debugging apparatus according to claim 4, is characterized in that, described interface is the pad that coordinates FPC welding.
6. mobile phone display screen debugging apparatus according to claim 4, is characterized in that, described interface is ZIF connector.
7. mobile phone display screen debugging apparatus according to claim 5, is characterized in that, the distance between adjacent described pad is 0.4mm～1.0mm.
8. mobile phone display screen debugging apparatus according to claim 6, is characterized in that, the distance between the adjacent leads of described ZIF connector is 0.3mm.
9. mobile phone display screen debugging apparatus according to claim 1, is characterized in that, described download interface is jtag interface.
10. mobile phone display screen debugging apparatus according to claim 1, is characterized in that, described communication interface is serial line interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736785.XU CN203618049U (en) | 2013-11-19 | 2013-11-19 | Mobile phone display screen debugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736785.XU CN203618049U (en) | 2013-11-19 | 2013-11-19 | Mobile phone display screen debugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203618049U true CN203618049U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736785.XU Expired - Fee Related CN203618049U (en) | 2013-11-19 | 2013-11-19 | Mobile phone display screen debugging device |
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| CN (1) | CN203618049U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731182A (en) * | 2017-10-20 | 2018-02-23 | 京东方科技集团股份有限公司 | Display adapter(unit) |
| CN112750389A (en) * | 2019-10-31 | 2021-05-04 | 海信视像科技股份有限公司 | Testing device |
-
2013
- 2013-11-19 CN CN201320736785.XU patent/CN203618049U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731182A (en) * | 2017-10-20 | 2018-02-23 | 京东方科技集团股份有限公司 | Display adapter(unit) |
| CN107731182B (en) * | 2017-10-20 | 2020-04-17 | 京东方科技集团股份有限公司 | Display adapter |
| CN112750389A (en) * | 2019-10-31 | 2021-05-04 | 海信视像科技股份有限公司 | Testing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 516003 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Co-patentee after: HUIZHOU TECHNE Corp. Patentee after: CHINA DISPLAY OPTOELECTRONICS TECHNOLOGY (HUIZHOU) Co.,Ltd. Address before: 516003 Guangdong province Huizhou Jiangbei Road No. 21 Yunshan Yunshan Industrial Zone No. nine TCL Co-patentee before: HUIZHOU TECHNE Corp. Patentee before: TCL DISPLAY TECHNOLOGY (HUIZHOU) Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180910 Address after: 516003 Zhongkai hi tech Development Zone 23, Huizhou, Guangdong Patentee after: CHINA DISPLAY OPTOELECTRONICS TECHNOLOGY (HUIZHOU) Co.,Ltd. Address before: 516003 Zhongkai hi tech Development Zone 23, Huizhou, Guangdong Co-patentee before: HUIZHOU TECHNE Corp. Patentee before: CHINA DISPLAY OPTOELECTRONICS TECHNOLOGY (HUIZHOU) Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 |
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| CF01 | Termination of patent right due to non-payment of annual fee |