CN201281930Y - System for matching screen of liquid crystal display - Google Patents
System for matching screen of liquid crystal display Download PDFInfo
- Publication number
- CN201281930Y CN201281930Y CNU2008202128442U CN200820212844U CN201281930Y CN 201281930 Y CN201281930 Y CN 201281930Y CN U2008202128442 U CNU2008202128442 U CN U2008202128442U CN 200820212844 U CN200820212844 U CN 200820212844U CN 201281930 Y CN201281930 Y CN 201281930Y
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- screen
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- joining
- crystal display
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Abstract
The utility model relates to a screen matching system of a liquid-crystal display. The screen matching system of the liquid-crystal display can realize the screen matching data exchange between a PC host computer and a liquid-crystal screen driving board through a screen matching tool board, provides a screen matching interface for correcting the screen matching parameters through a screen matching module at the PC host computer terminal, then enables the corrected screen matching parameters to be downloaded to the liquid-crystal screen driving board to directly upgrade the liquid-crystal screen driving board and then saves the corrected screen matching parameters as the c documents so as to be convenient for use in the subsequent screen matching operation. Therefore, the screen matching system of the liquid-crystal display is simple and rapid in operation, can configure the relative parameters of the liquid-crystal screen more accurately and enables the persons who are not familiar with the software completely to perform the screen matching processing of the liquid-crystal display.
Description
Technical field
The utility model relates to LCD, more particularly, relates to a kind of LCD and joins screen system.
Background technology
Along with the progress in epoch, rapid development of economy, computer also spreads to huge numbers of families, and the terminal that is used for the computer image display unit is substituted by present LCD by the CRT monitor in past, and the market demand of LCD enlarges day by day.Yet the kind of the liquid crystal display that present LCD is used is too many, and the purchase channel instability of liquid crystal display, is subjected to the influence of the price of liquid crystal display, and the production firm of LCD often changes different liquid crystal displays and produces.This just need carry out software arrangements at different liquid crystal displays.
LCD is joined the software design procedure that the screen process also is a LCD.At present LCD to join the screen operation all be on the basis of LCD embedded software system, be editing machine generally with Source Insight software, Keil C51 software is that compiler carries out software development to LCD software and carries out.Therefore, the screen of joining of LCD is handled having relatively high expectations to the software developer, necessarily require developer's C Programming with Pascal Language of single-chip microcomputer on top of, apply in a flexible way Source Insight editing machine and Keil C51 compiler, and through learning LCD embedded software code for a long time, understand the effect of its each several part functional module, could join the screen operation LCD.
The utility model content
The technical problems to be solved in the utility model is, joins big, the inconvenient defective of screen difficulty at the above-mentioned LCD of prior art, provides a kind of LCD simple to operation the foolproof screen system of joining.
The technical scheme that its technical matters that solves the utility model adopts is: propose a kind of LCD and join screen system, comprise the PC main frame, join screen tool palette, liquid crystal display drive plate and LCDs, wherein, the described screen tool palette of joining is connected by the parallel port of parallel port with the PC main frame, and be connected with the VGA input interface of liquid crystal display drive plate by the VGA output interface, to carry out joining the screen exchanges data between PC main frame and the liquid crystal display drive plate; Described liquid crystal display drive plate shields the parameter configuration LCDs based on joining of its stored; Described PC main frame also comprises the parameter modification module and joins the screen interface module, described parameter modification module reads the pre-establishing screen parameter of liquid crystal display drive plate stored and shows the corresponding screen parameter information of joining by joining the screen interface module, and will download in the liquid crystal display drive plate and shield parameter to upgrade described pre-establishing joining the modification value of shield parameter by what join that the screen interface module receives.
In the preferred embodiment of the present utility model, the described screen tool palette of joining converts the screen data of joining of PC main frame the data line and the clock line of the twin wire I2C universal serial bus of standard to by the parallel port, offers the VGA input end of liquid crystal display drive plate again by the VGA output interface.
In the preferred embodiment of the present utility model, described liquid crystal display drive plate further comprise the MCU that is used to drive and control LCDs and be used to store join the screen parameter join the screen parameter storage.Described to join the screen parameter storage be the built-in Flash storer of described MCU, or the external nonvolatile memory of described MCU.
In the preferred embodiment of the present utility model, described PC main frame comprises further parameter storage is set that described parameter modification module is stored in described the setting in the parameter storage with the amended screen parameter of joining.Described amended join the screen parameter can with
*.c file layout is kept at described the setting in the parameter storage.
LCD of the present utility model is joined screen system and is realized joining the screen exchanges data between PC main frame and the liquid crystal display drive plate by joining the screen tool palette, the modification of shielding parameter is joined at the screen interface of joining that panel module provides of joining by the PC host side, join screen parameter downloads direct upgrading liquid crystal display drive plate in the liquid crystal display drive plate with amended then, and can amendedly join and shield parameter and save as
*.c file is so that use follow-up joining when screen is operated.Thereby the novel LCD of this use to join screen system simple to operate, quick, can be configured the liquid crystal display correlation parameter more accurately, the screen of joining that allows the people that is ignorant of software fully utilize this system also can carry out LCD is handled.
Description of drawings
Fig. 1 is the structural representation that LCD of the present utility model is joined an embodiment of screen system;
Fig. 2 is the logic diagram of liquid crystal display drive plate among embodiment of the utility model;
Fig. 3 A joins the partial circuit diagram of shielding tool palette among embodiment of the utility model;
Fig. 3 B joins the partial circuit diagram of shielding tool palette among embodiment of the utility model;
Fig. 4 is the logic diagram of joining panel module of PC host side among embodiment of the utility model;
Fig. 5 is the process flow diagram of an embodiment of the LCD of the present utility model method of operating of joining screen system;
Fig. 6 is the process flow diagram of another embodiment of the LCD of the present utility model method of operating of joining screen system.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
LCD of the present utility model join screen system mainly by the PC main frame, join screen tool palette and LCD three parts and constitute, in the drive plate of LCD, be provided with all parameters relevant in advance with joining screen, realize joining the screen exchanges data between PC main frame and the liquid crystal display-driving plate by joining the screen tool palette then, thus simpler, faster, the correlation parameter to liquid crystal display is configured more accurately.
The LCD that Fig. 1 shows an embodiment of the utility model is joined the structural representation of screen system.As shown in Figure 1, this join screen system comprise PC main frame 10, join the screen tool palette 20, liquid crystal display drive plate 30 and LCDs 40.This is joined screen system and also comprises power supply adaptor 50, is used for converting external 220V AC power to for example 12V direct supply, to insert the power port 32 of liquid crystal display drive plate 30, to liquid crystal display drive plate 30 and LCDs 40 power supplies.Hardboard 60 is used under the control of liquid crystal display drive plate 30 LCDs 40 being lighted.
As shown in Figure 1, the parallel port 12 of PC main frame 10 with join the parallel port 22 of shielding tool palette 20 and be connected, the VGA mouth 14 of PC main frame 10 with join the VGA input interface 24 that shields tool palette 20 and be connected.Join the VGA output interface 26 that shields tool palette 20 and then be connected with the VGA mouth 34 of liquid crystal display drive plate 30.Liquid crystal display drive plate 30 transmits data by LVDS interface 36 to LCDs 40.Being presented in detail of various piece follow-uply provides in conjunction with Fig. 2 to Fig. 4 among relevant Fig. 1.
Fig. 2 is the logic diagram of liquid crystal display drive plate 300 among embodiment of the utility model.As shown in the figure, this liquid crystal display drive plate 300 comprises MCU 308, VGA interface module 304, LVDS interface module 306 and joins screen parameter storage 310.Wherein, MCU 308 is mainly used in the work that drives and control LCDs, VGA interface module 304 with join the VGA output terminal (referring to Fig. 1) that shields tool palette and be connected joining the screen exchanges data based on the DDCCI agreement, LVDS interface module 306 is used for to LCDs transmission data.Join screen parameter storage 310 and be used for storage and join the screen parameter, all shield relevant parameter with joining of LCDs and all leave concentratedly therein.Joining screen parameter storage 310 can be the internal memory of MCU 308, also can be the external memorizer of MCU 308.For example, this to join screen parameter storage 310 can be Flash space in the MCU 308.
An embodiment of the present utility model uses the Flash storage space of 1024 bytes in the RTD2120 control chip, also can select other the nonvolatile memory more than or equal to 1024 bytes among other embodiment for use, for example 24C08 or 24C16 etc.The 0-64K of Flash in the RTD2120 is the memory address that is used to deposit program code, and the memory address of 64-96K can store data.The memory address that present embodiment is selected for use is from 78KByte, and memory capacity is 1024 bytes, specifically puts into joining of Flash to shield parametric classification and as shown in table 1 below at the deposit position of 1024 bytes of memory devices:
Table 1. is joined screen parameter storage allocation tables
When the screen operation is joined in execution, MCU 308 be checked through from the PC host side join screen parameter downloads operation after, will be kept at and join correspondence position in the screen parameter storage 310 by the amended screen parameter of joining of PC host side, cover original every screen parameter of joining, and the driving LCDs comes into force the screen parameter of receiving of joining.
Fig. 3 A and Fig. 3 B show respectively and join the parallel port 22 of shielding tool palette 20 and the circuit diagram of VGA input interface 24 and VGA output interface 26 among Fig. 1.Joining screen tool palette 20 is used for joining the screen exchanges data between PC main frame 10 and the liquid crystal display drive plate 30.Shown in Fig. 3 A and 3B, the Pin9 of parallel port and Pin11 are respectively output and the input ports of the data line SDA of I2C universal serial bus, the Pin17 of parallel port and Pin15 are respectively output and the input ports of the clock line SCL of I2C universal serial bus, and the Pin12 of VGA output interface and Pin15 are respectively the data line SDA and the clock line SCL of I2C universal serial bus.Join the screen tool palette with shielding data joining of PC host side, realize interaction data by the output of VGA signal and the VGA signal input part of liquid crystal display drive plate again by data line SDA and clock line SCL that Pin9, Pin11, pin15, the Pin17 of parallel port converts the twin wire I2C universal serial bus of standard to.
Fig. 4 shows the logic diagram of joining panel module 100 of PC host side among embodiment of the utility model.As shown in Figure 4, this is joined panel module 100 and comprises and join screen interface module 102, parameter modification module 104, communication module 106 and parameter storage 108 is set.Wherein, communication module 106 is used to join the exchange of shielding data, the parallel port (referring to Fig. 1) by the PC main frame with join the parallel port of shielding tool palette and be connected.For example, communication module 106 and join screen and can join the screen exchanges data based on the DDCCI agreement between the tool palette.Be provided with parameter storage 108 be used for memory modify good join the screen parameter, for example, amended join the screen parameter can with
*.c the form of file storage.Joining screen interface module 102 is Subscriber Interface Module SIMs, and the form by the modularization interface will every pre-establishing screen parameter be shown to join shields operating personnel, thereby realizes the foolproof type of joining.Particularly, corresponding to every configuration parameter of liquid crystal display drive plate stored, join screen interface module 102 and further comprise a plurality of submodules as shown in table 2 below:
Table 2. is joined the composition that shields interface module
Further referring to Fig. 4, parameter modification module 104 is used for the screen parameter of joining of liquid crystal display drive plate stored is made amendment.For example, parameter modification module 104 can be read the pre-establishing screen parameter in the liquid crystal display drive plate by read command, and shows the every pre-establishing screen parameter information that reads synchronously by joining screen interface module 102.Joining the screen operating personnel can be by joining every the join screen parameter of screen interface module 102 inputs corresponding to current LCDs.Parameter modification module 104 can receive the every amended screen parameter of joining of autogamy screen interface module 102 then, should amended every screen parameter downloads of joining arrive the liquid crystal display drive plate via joining the screen tool palette; Perhaps, parameter modification module 104 can be kept at the amended screen parameter of joining to be provided with in the parameter storage 108, and is follow-up again by variety of way upgrading liquid crystal display drive plate.For example, parameter modification module 104 can use hold-over command with amended join the screen parameter with
*.c the form of file is kept at and is provided with in the parameter storage 108, will preserve then
*.c file directly substitutes and joins the screen Parameter File in the software source code of liquid crystal display drive plate, through after the Keil C51 compiling again by joining screen tool palette upgrading liquid crystal display drive plate.Among another embodiment, parameter modification module 104 can load the configuration parameter of preserving in the parameter storage 108 is set
*.c file, and show the every configuration parameter information that load synchronously by joining screen interface module 102 is again to joining the debugging of making amendment of screen parameter information in the file of this loading.
More than the LCD of each embodiment of the utility model is joined screen system composition be described in detail, below in conjunction with Fig. 5 and Fig. 6 describe join screen system join the screen operating process so that further understand the technical solution of the utility model.
Fig. 5 is the process flow diagram that LCD of the present utility model is joined an embodiment who joins the screen method of screen system.This is joined the screen method and uploads pre-establishing screen parameter and make amendment and join screen from the liquid crystal display drive plate.As shown in Figure 5, this is joined the screen method and starts from step 502.
Subsequently, at next step 504, the PC host side uses read command that the pre-establishing screen parameter of joining screen parameter storage stored of liquid crystal display drive plate is uploaded in the internal memory.As previously mentioned, by joining the screen tool palette, just can realize joining the screen exchanges data between PC host side and the liquid crystal display drive plate.
Subsequently, at next step 506, the pre-establishing screen parameter that the parameter modification module will be uploaded shows synchronously by joining the screen interface module, so that join the screen operating personnel it is made amendment.
Subsequently, in next step 508, the parameter modification module receives joins the screen operating personnel by joining the modification value of screen interface input, revises the correspondence that uploads in the internal memory and joins the screen parameter.
Subsequently, in next step 510, the parameter modification module judges whether joining of current LCDs shielded parameter modification finishes.If do not finish as yet, then return in the step 508, continue to wait for and receive the modification input at autogamy screen interface.
Finish if revised, then enter next step 512, the parameter modification module will amendedly every be joined the screen parameter and be downloaded to joining in the screen parameter storage of liquid crystal display drive plate via joining the screen tool palette, upgrade original screen parameter of joining.At this moment, the liquid crystal display drive plate is joined screen driving parameter LCDs according to what join screen having revised in the parameter storage, the screen parameter of joining of modification is come into force, thereby can see the effect of modification at once.
Subsequently, in next step 514, check whether LCDs configures, that promptly checks joining of having revised whether the screen parameter satisfy expection joins the screen requirement.If do not prepare as yet, then return in the step 508, join the screen operating personnel and can debug again the screen parameter of joining that does not meet expection by joining the screen interface.
If LCDs configures, in next step 516, the parameter modification module will amendedly join the screen parameter with
*.c the form of file is kept at and is provided with in the parameter storage, so that follow-up calling.
At last, this is joined the screen method and finishes in step 518.
Fig. 6 is the process flow diagram that LCD of the present utility model is joined another embodiment that joins the screen method of screen system.This is joined the screen method and loads from being provided with the parameter storage of PC host side and join the screen parameter
*.c file and make amendment and join screen.As shown in Figure 6, this is joined the screen method and starts from step 602.
Subsequently, at next step 604, the parameter modification module of PC host side is used loading command to be provided with to preserve in the parameter storage joins the screen parameter
*.c file load is in internal memory.In step 606, the parameter modification module will load then
*.c the every screen parameter of joining in the file shows synchronously by joining the screen interface module.
Subsequently, join the screen operating personnel and just can join the screen parameter modification to current LCDs on the interface joining screen, and can whether meet the expected requirements and repeatedly debug by checking the amended screen parameter of joining to joining the screen parameter.The subsequent step 608 of joining screen method embodiment shown in Figure 6 to step 616 with aforementioned in conjunction with Fig. 5 describe to join the screen method identical, so do not repeat them here.
At last, this is joined the screen method and finishes in step 618.
Claims (7)
1, a kind of LCD is joined screen system, it is characterized in that, comprise the PC main frame, join screen tool palette, liquid crystal display drive plate and LCDs, wherein, the described screen tool palette of joining is connected by the parallel port of parallel port with the PC main frame, and be connected with the VGA input interface of liquid crystal display drive plate by the VGA output interface, to carry out joining the screen exchanges data between PC main frame and the liquid crystal display drive plate; Described liquid crystal display drive plate shields the parameter configuration LCDs based on joining of its stored; Described PC main frame also comprises the parameter modification module and joins the screen interface module, described parameter modification module reads the pre-establishing screen parameter of liquid crystal display drive plate stored and shows the corresponding screen parameter information of joining by joining the screen interface module, and will download in the liquid crystal display drive plate and shield parameter to upgrade described pre-establishing joining the modification value of shield parameter by what join that the screen interface module receives.
2, LCD according to claim 1 is joined screen system, it is characterized in that, the described screen tool palette of joining converts the screen data of joining of PC main frame the data line and the clock line of the twin wire I2C universal serial bus of standard to by the parallel port, offers the VGA input end of liquid crystal display drive plate again by the VGA output interface.
3, LCD according to claim 1 is joined screen system, it is characterized in that, described liquid crystal display drive plate further comprise the MCU that is used to drive and control LCDs and be used to store join the screen parameter join the screen parameter storage.
4, LCD according to claim 3 is joined screen system, it is characterized in that, described join the screen parameter storage be the built-in Flash storer of described MCU.
5, LCD according to claim 3 is joined screen system, it is characterized in that, described join the screen parameter storage be the external nonvolatile memory of described MCU.
6, LCD according to claim 1 is joined screen system, it is characterized in that, described PC main frame comprises further parameter storage is set that described parameter modification module is stored in described the setting in the parameter storage with the amended screen parameter of joining.
7, LCD according to claim 6 is joined screen system, it is characterized in that, described amended join the screen parameter with
*.c file layout is kept at described the setting in the parameter storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128442U CN201281930Y (en) | 2008-10-27 | 2008-10-27 | System for matching screen of liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202128442U CN201281930Y (en) | 2008-10-27 | 2008-10-27 | System for matching screen of liquid crystal display |
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| CN201281930Y true CN201281930Y (en) | 2009-07-29 |
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| CNU2008202128442U Expired - Lifetime CN201281930Y (en) | 2008-10-27 | 2008-10-27 | System for matching screen of liquid crystal display |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270148A (en) * | 2011-07-12 | 2011-12-07 | 广州视源电子科技有限公司 | Method for upgrading drive board of LCD (liquid crystal display) |
| CN102456337A (en) * | 2010-10-25 | 2012-05-16 | 冠捷投资有限公司 | Display parameter updating method |
| CN102800269A (en) * | 2011-05-27 | 2012-11-28 | 康佳集团股份有限公司 | Device for carrying out screen parameter configuration and debugging on display screen |
| CN103354074A (en) * | 2013-07-17 | 2013-10-16 | 陈卫文 | Method of using USB flash disk to control a plurality of LED display screens |
| CN104978245A (en) * | 2015-06-24 | 2015-10-14 | 福州瑞芯微电子有限公司 | Display screen online diagnosis method and system |
| CN104992685A (en) * | 2015-07-16 | 2015-10-21 | 陈巨根 | Automatic screen parameter drive configuration method |
| CN106708587A (en) * | 2017-01-11 | 2017-05-24 | 微鲸科技有限公司 | Parameter configuration method and system |
| CN107038991A (en) * | 2017-05-10 | 2017-08-11 | 西安诺瓦电子科技有限公司 | Spliced display screen screen configuration method and device and display screen control card |
| CN107545875A (en) * | 2017-06-27 | 2018-01-05 | 新华三技术有限公司 | A kind of collocation method, device, terminal and machinable medium |
| CN111984211A (en) * | 2019-05-23 | 2020-11-24 | 西安诺瓦星云科技股份有限公司 | Screen configuration method, screen configuration device and screen configuration system |
| CN112241268A (en) * | 2020-09-22 | 2021-01-19 | 合肥寰芯微电子科技有限公司 | Keil engineering compiling method, system and equipment |
| CN112445445A (en) * | 2019-08-29 | 2021-03-05 | 西安诺瓦星云科技股份有限公司 | Screen configuration method and device, system controller and LED display |
| CN115359764A (en) * | 2022-08-19 | 2022-11-18 | 石家庄科林电气股份有限公司 | Power distribution automation terminal liquid crystal display modification method and device and liquid crystal display equipment |
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2008
- 2008-10-27 CN CNU2008202128442U patent/CN201281930Y/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102456337A (en) * | 2010-10-25 | 2012-05-16 | 冠捷投资有限公司 | Display parameter updating method |
| CN102800269A (en) * | 2011-05-27 | 2012-11-28 | 康佳集团股份有限公司 | Device for carrying out screen parameter configuration and debugging on display screen |
| CN102270148B (en) * | 2011-07-12 | 2013-12-18 | 广州视源电子科技股份有限公司 | Method for upgrading drive board of LCD (liquid crystal display) |
| CN102270148A (en) * | 2011-07-12 | 2011-12-07 | 广州视源电子科技有限公司 | Method for upgrading drive board of LCD (liquid crystal display) |
| CN103354074A (en) * | 2013-07-17 | 2013-10-16 | 陈卫文 | Method of using USB flash disk to control a plurality of LED display screens |
| CN104978245A (en) * | 2015-06-24 | 2015-10-14 | 福州瑞芯微电子有限公司 | Display screen online diagnosis method and system |
| CN104992685A (en) * | 2015-07-16 | 2015-10-21 | 陈巨根 | Automatic screen parameter drive configuration method |
| CN106708587B (en) * | 2017-01-11 | 2020-03-10 | 微鲸科技有限公司 | Parameter configuration method and system |
| CN106708587A (en) * | 2017-01-11 | 2017-05-24 | 微鲸科技有限公司 | Parameter configuration method and system |
| CN107038991A (en) * | 2017-05-10 | 2017-08-11 | 西安诺瓦电子科技有限公司 | Spliced display screen screen configuration method and device and display screen control card |
| CN107038991B (en) * | 2017-05-10 | 2019-12-24 | 西安诺瓦星云科技股份有限公司 | Splicing type display screen configuration method and device and display screen control card |
| CN107545875A (en) * | 2017-06-27 | 2018-01-05 | 新华三技术有限公司 | A kind of collocation method, device, terminal and machinable medium |
| CN107545875B (en) * | 2017-06-27 | 2020-04-17 | 新华三技术有限公司 | Configuration method, device, terminal and machine-readable storage medium |
| CN111984211A (en) * | 2019-05-23 | 2020-11-24 | 西安诺瓦星云科技股份有限公司 | Screen configuration method, screen configuration device and screen configuration system |
| CN111984211B (en) * | 2019-05-23 | 2024-02-09 | 西安诺瓦星云科技股份有限公司 | Screen matching method, screen matching device and screen matching system |
| CN112445445A (en) * | 2019-08-29 | 2021-03-05 | 西安诺瓦星云科技股份有限公司 | Screen configuration method and device, system controller and LED display |
| CN112445445B (en) * | 2019-08-29 | 2023-08-15 | 西安诺瓦星云科技股份有限公司 | Screen matching method and device, system controller and LED display |
| CN112241268A (en) * | 2020-09-22 | 2021-01-19 | 合肥寰芯微电子科技有限公司 | Keil engineering compiling method, system and equipment |
| CN115359764A (en) * | 2022-08-19 | 2022-11-18 | 石家庄科林电气股份有限公司 | Power distribution automation terminal liquid crystal display modification method and device and liquid crystal display equipment |
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Denomination of utility model: System for matching screen of liquid crystal display Effective date of registration: 20141219 Granted publication date: 20090729 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Shenzhen Tongxing Electronic Co., Ltd. Registration number: 2014990001105 |
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