CN102542961A - Hand-held wireless LED (light-emitting diode) display screen debugging device and method - Google Patents

Hand-held wireless LED (light-emitting diode) display screen debugging device and method Download PDF

Info

Publication number
CN102542961A
CN102542961A CN2011104131978A CN201110413197A CN102542961A CN 102542961 A CN102542961 A CN 102542961A CN 2011104131978 A CN2011104131978 A CN 2011104131978A CN 201110413197 A CN201110413197 A CN 201110413197A CN 102542961 A CN102542961 A CN 102542961A
Authority
CN
China
Prior art keywords
display screen
led display
instruction
debugging
control software
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011104131978A
Other languages
Chinese (zh)
Other versions
CN102542961B (en
Inventor
宗靖国
袁胜春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Novastar Electronic Technology Co Ltd
Original Assignee
Xian Novastar Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Novastar Electronic Technology Co Ltd filed Critical Xian Novastar Electronic Technology Co Ltd
Priority to CN201110413197.8A priority Critical patent/CN102542961B/en
Publication of CN102542961A publication Critical patent/CN102542961A/en
Application granted granted Critical
Publication of CN102542961B publication Critical patent/CN102542961B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Controls And Circuits For Display Device (AREA)
  • Debugging And Monitoring (AREA)

Abstract

The invention discloses a hand-held wireless LED (light-emitting diode) display screen debugging device and method, which mainly solve the defects of the traditional LED display screen debugging technology and overcome the repeated and miscellaneous work of debugging personnel. The debugging device comprises a hand-held debugging terminal, a wireless receiver, computer control software, an LED display screen control system and an LED display screen. The debugging device is characterized in that the wireless receiver is connected with a computer by a serial interface, LED display screen control software is arranged on the computer, the hand-held debugging terminal can send debugging instructions to the receiver, and the LED display screen control system is used for controlling the display screen to display. Wireless communication is conducted between the hand-held debugging terminal and the receiver. According to the invention, the defect of the traditional LED display screen on debugging convenience is overcome, the debugging and remote operation of the LED display screen is realized by the debugging device, the practicability of the debugging device is higher, and the debugging and maintenance of the LED display screen are facilitated.

Description

Portable wireless LED display debugging apparatus and adjustment method
Technical field:
The present invention relates to LED display technique field, and particularly relate to hand-held LED display debugging apparatus and adjustment method.Can be used for LED display field adjustable and later maintenance.The cause of inventing this product mainly is to have considered the debugging efficiency and the later maintenance speed of LED display, and the waste that reduces personnel.
Background technology:
LED display is installed and used from the production scene of debugging, and all needs the manpower of labor.The complicacy of the setting height(from bottom) of LED display and maintenance sites situation can need at least 2 or more work personnel to accomplish the work of debugging maintenance.On the one hand in the Installation and Debugging stage at display screen initial stage, the traditional debugging method for maintaining needs one man operation, and other people's observing effect also feeds back to the commissioning staff with the result, and repeat repeatedly to accomplish until maintenance.On the other hand, show in the later maintenance process at LED, to the local pointwise correction adjustment process of display screen owing to need more commissioning staff's subjective judgement, this moment information accurately obtain and transmit, understand and judgement seems particularly important.From above description, the process that traditional debugging is safeguarded will inevitably misunderstand and judge by accident owing to need between different personnel, carry out the interchange of information, thereby need a large amount of repeating to link up, and has caused the reduction of waste of manpower resource, maintenance efficiency.
Existing LED display is all needing great amount of manpower to accomplish aspect debugging and the maintenance, and the complicacy of the height of the installation of LED display and maintenance sites situation, can increase the workload of debugging maintenance.All be breakneck concerning the commissioning staff.In debug process,, can cause misunderstanding and the erroneous judgement of information in communication process, thereby cause repetitive operation because different personnel are different to the understanding of information.
Summary of the invention:
Because the promotion of information communication industry demand is more and more to the demand of LED display.In view of the defective that existing LED display control system exists at Installation and Debugging and later maintenance convenience technical elements, the invention a kind of debugging apparatus of LED display easily and adjustment method, solved traditional debugging, keeped in repair the inconvenience that is brought.
The objective of the invention is to; A kind of portable wireless LED display debugging apparatus is provided; To overcome existing LED display in the defective that exists aspect the debugging convenience, realized LED display debugging and remote-controlled operation through this device, have advantages of high practicability.
Two of the object of the invention is, a kind of portable wireless LED display adjustment method is provided.Based on device of the present invention, overcome the above-mentioned defective of prior art, be convenient to the debugging and the later maintenance of LED display.
For realizing above-mentioned purpose, portable wireless LED display debugging apparatus provided by the invention comprises:
Hand-held debug terminal, wireless receiving end, computer terminal Control Software, LED display control system and display screen.It is characterized in that described wireless receiving end links to each other with computing machine through serial line interface; Described LED display control system links to each other with computing machine; Described LED display control system is used to control described display screen and shows; Between described hand-held debug terminal and the receiving end is wireless telecommunications; Described handheld terminal power supply mode is rechargeable battery powered or connects the power supply adaptor use.
Described Control Software runs on the computing machine, the wireless receiving termination receive instruction that the debugging end sends and through with the serial line interface of computing machine, instruction is passed to the Control Software on the computing machine; Said wireless receiving end is sent to described Control Software with debug command; Described Control Software is carried out the demonstration of order and is accomplished corresponding debugging operations according to the instruction control LED display control system that receives.
Described hand-held debug terminal sends debug command to the wireless receiving end, and debug command comprises display screen debug command and display screen point by point correction instruction.Described debug command all can be resolved through described Control Software, and shows on described display screen through said LED display control system, supplies the commissioning staff to observe and judgement.
Described display screen debug command comprises sends that red, green, blue is monochromatic to be shown and colour mixture idsplay order, lines idsplay order and brightness, colourity debug command.Be used to test the fault type and the fault zone of display screen, debug command all can be sent through described handheld terminal.
The commissioning staff locatees and decision problem according to the demonstration situation, and selects the fault zone through moving cursor position and adjustment cursor size, at last through cursor positioning, mobile, the selected fault zone of affirmation instruction; Described cursor positioning instruction, cursor move, cursor confirm that instruction is used for selecting and the specified fault zone, and cursor size and position all can be sent instruction through said handheld terminal and adjusted.
Described handheld terminal power supply mode is rechargeable battery powered or connects the power supply adaptor use.
Described computer terminal Control Software is carried out the demonstration of order and is accomplished corresponding debugging operations according to the instruction control LED display control system that receives.
Portable wireless LED display adjustment method comprises the steps:
(1) operation computer terminal Control Software.
(2) commissioning staff moves to the best observation position in the positive the place ahead of LED display.
(3) open handheld terminal, and send link order, the communication of setting up between handheld terminal and the receiving end connects.
(4) after the successful connection, get into the debugging link, can occur the cursor that is used to locate on the display screen.
(5) send test instruction, carry out the judgement of fault type according to display result.Can select to carry out display screen debug command or display screen point by point correction instruction.
(6) assembling and setting be need carry out or when safeguarding when display screen, corresponding red, green, blue, white and positioning instruction then sent.After receiving end is received instruction, resolve instruction by operation Control Software on computers, and make corresponding action through control system, the control LED display shows corresponding color.The commissioning staff locatees and decision problem according to the demonstration situation.And identical with the fault zone through the moving cursor position with adjustment cursor size, at last through cursor positioning, mobile, the selected fault zone of affirmation instruction.
(7) when display screen need carry out local pointwise correction; Then send the pointwise correction instruction; Control Software shows according to the instruction control display screen; The commissioning staff carries out the transmission of brightness point by point, chromaticity correction instruction through the selected position to be corrected of cursor and according to display result on handheld terminal, receiving end is passed to Control Software with this instruction simultaneously, carries out the adjustment of brightness point by point, colourity by Control Software control display screen control system.
The present invention compared with prior art has advantage and beneficial effect at least:
The present invention is not limited by occasion through wireless mode communication.Through adjustment method of the present invention; A commissioning staff just can accomplish the debugging and the later maintenance of this display screen; Replace the traditional debugging method to need one man operation, other people's observing effect and the complex process that the result is fed back to the commissioning staff have effectively been saved manpower; Simultaneously, reduced the information interchange process between the different personnel, thereby misunderstanding and the erroneous judgement of having avoided field data between personnel, to cause in the transmittance process have reduced the work of repetition.
The present invention has above-mentioned advantage and practical value; No matter it all has bigger improvement on product structure, method or function; Obvious improvement is arranged technically, and produced handy and practical effect, and more existing LED display adjustment method and means have the outstanding effect of enhancement; Thereby more suitable, become the new design of novelty, progress, practicality.
Description of drawings:
The hand-held LED display debugging apparatus structural representation that Fig. 1 proposes for the embodiment of the invention;
Fig. 2 is the method flow diagram of the present invention in debug process;
Wherein: 1 is hand-held debug terminal; 2 is the wireless receiving end; 3 is computing machine; 4 is the LED display control system; 5 is display screen.
Embodiment:
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To portable wireless LED display debugging apparatus and its embodiment of adjustment method, structure, method, step, characteristic and the effect thereof that proposes according to the present invention, specify.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to appear in the detailed description of graphic preferred embodiment is consulted in following cooperation.Through the explanation of embodiment, can be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet the appended graphic usefulness that only provides reference and explanation be not to be used for the present invention is limited.
With reference to Fig. 1: according to the device various piece that connects shown in Figure 1.The commissioning staff carries handheld terminal and moves to the best observation position in the positive the place ahead of LED display, opens hand-held debug terminal, sends link order through radio communication, and the communication of setting up between hand-held debug terminal and the wireless receiving end connects.The wireless receiving end links to each other with computing machine through serial line interface, and instruction is passed to the Control Software on the computing machine.Through the Control Software of computer terminal, according to the instruction that receives, control LED display control system is carried out order, shows and accomplishes corresponding debugging operations.
With reference to Fig. 2: adjustment method process flow diagram of the present invention comprises the steps:
The commissioning staff moves to the best observation position in the positive the place ahead of LED display.Open hand-held debug terminal, and send link order, the communication of setting up between hand-held debug terminal and the wireless receiving end connects.Linking to each other with computing machine through serial line interface RS232, and running control software, control LED screen.
After the successful connection, can select display screen debug command or display screen point by point correction instruction.
When display screen need carry out assembling and setting or when safeguarding, then send corresponding red, green, blue, white and positioning instruction.After receiving end is received instruction, resolve instruction by operation Control Software on computers, and make corresponding action through control system, the control LED display shows corresponding color.The commissioning staff locatees and decision problem according to the demonstration situation.And identical with the fault zone through the moving cursor position with adjustment cursor size, at last through cursor positioning, mobile, the selected fault zone of affirmation instruction.As also having module to need the location, only need the above step of repetition, until being debugged, accomplishes LED display.
When display screen need carry out local pointwise correction; Then send the pointwise correction instruction; Control Software shows according to the instruction control display screen; The commissioning staff carries out the transmission of brightness point by point, chromaticity correction instruction through the selected position to be corrected of cursor and according to display result on handheld terminal, receiving end is passed to Control Software with this instruction simultaneously, carries out the adjustment of brightness point by point, colourity by Control Software control display screen control system.As do not have calibration accuracy, and only need the above step of repetition, until being proofreaied and correct, accomplishes LED display.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.

Claims (8)

1. portable wireless LED display debugging apparatus comprises hand-held debug terminal, wireless receiving end, computer terminal Control Software, LED display control system and display screen; It is characterized in that: described wireless receiving end links to each other with computing machine through serial line interface; Described LED display control system links to each other with computing machine; Described LED display control system is used for control display screen and shows; Between described hand-held debug terminal and the receiving end is wireless telecommunications; Described handheld terminal power supply mode is rechargeable battery powered or connects the power supply adaptor use.
2. portable wireless LED display debugging apparatus according to claim 1 is characterized in that:
Described Control Software runs on the computing machine, the wireless receiving termination receive instruction that the debugging end sends and through with the serial line interface of computing machine, instruction is passed to the Control Software on the computing machine; Said wireless receiving end is sent to described Control Software with debug command; Described Control Software is carried out the demonstration of order and is accomplished corresponding debugging operations according to the instruction control LED display control system that receives.
3. portable wireless LED display debugging apparatus according to claim 1 is characterized in that:
Described hand-held debug terminal sends debug command to the wireless receiving end, and debug command comprises display screen debug command and display screen point by point correction instruction; Described debug command all can be resolved through described Control Software, and shows on described display screen through said LED display control system, supplies the commissioning staff to observe and judgement.
4. portable wireless LED display debugging apparatus according to claim 1 is characterized in that:
Described display screen debug command comprises sends that red, green, blue is monochromatic to be shown and colour mixture idsplay order, lines idsplay order and brightness, colourity debug command; Be used to test the fault type and the fault zone of display screen, debug command all can be sent through described handheld terminal.
5. portable wireless LED display debugging apparatus according to claim 1 is characterized in that:
The commissioning staff locatees and decision problem according to the demonstration situation, and selectes the fault zone through moving cursor position and adjustment cursor size, at last through cursor positioning, mobile, affirmation Instruction Selection fault zone; Described cursor positioning instruction, cursor move, cursor confirm that instruction is used for selecting and the specified fault zone, and cursor size and position all can be sent instruction through said handheld terminal and adjusted.
6. portable wireless LED display debugging apparatus according to claim 1 is characterized in that:
Described handheld terminal power supply mode is rechargeable battery powered or connects the power supply adaptor use.
7. portable wireless LED display debugging apparatus according to claim 1 is characterized in that:
Described computer terminal Control Software is carried out the demonstration of order and is accomplished corresponding debugging operations according to the instruction control LED display control system that receives.
8. portable wireless LED display adjustment method is characterized in that, comprises the steps:
(1) operation computer terminal Control Software;
(2) commissioning staff moves to the best observation position in the positive the place ahead of LED display;
(3) open handheld terminal, and send link order, the communication of setting up between handheld terminal and the receiving end connects;
(4) after the successful connection, get into the debugging link, can occur the cursor that is used to locate on the display screen;
(5) send test instruction, carry out the judgement of fault type according to display result; Can select to carry out display screen debug command or display screen point by point correction instruction;
(6) assembling and setting be need carry out or when safeguarding when display screen, corresponding red, green, blue, white and positioning instruction then sent; After receiving end is received instruction, resolve instruction by operation Control Software on computers, and make corresponding action through control system, the control LED display shows corresponding color; The commissioning staff locatees and decision problem according to the demonstration situation; And identical with the fault zone through the moving cursor position with adjustment cursor size, at last through cursor positioning, mobile, the selected fault zone of affirmation instruction;
(7) when display screen need carry out local pointwise correction; Then send the pointwise correction instruction; Control Software shows according to the instruction control display screen; The commissioning staff carries out the transmission of brightness point by point, chromaticity correction instruction through the selected position to be corrected of cursor and according to display result on handheld terminal, receiving end is passed to Control Software with this instruction simultaneously, carries out the adjustment of brightness point by point, colourity by Control Software control display screen control system.
CN201110413197.8A 2011-12-12 2011-12-12 Hand-held wireless LED (light-emitting diode) display screen debugging device and method Active CN102542961B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110413197.8A CN102542961B (en) 2011-12-12 2011-12-12 Hand-held wireless LED (light-emitting diode) display screen debugging device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110413197.8A CN102542961B (en) 2011-12-12 2011-12-12 Hand-held wireless LED (light-emitting diode) display screen debugging device and method

Publications (2)

Publication Number Publication Date
CN102542961A true CN102542961A (en) 2012-07-04
CN102542961B CN102542961B (en) 2014-04-09

Family

ID=46349739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110413197.8A Active CN102542961B (en) 2011-12-12 2011-12-12 Hand-held wireless LED (light-emitting diode) display screen debugging device and method

Country Status (1)

Country Link
CN (1) CN102542961B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105118475A (en) * 2015-09-02 2015-12-02 西安诺瓦电子科技有限公司 Brightness or brightness and chroma adjusting method of LED display screen
CN105550109A (en) * 2015-12-11 2016-05-04 四川长虹电器股份有限公司 Equipment debugging method and electronic equipment
CN106856081A (en) * 2015-12-08 2017-06-16 瑞轩科技股份有限公司 The detection means and its detection method of display
CN110890054A (en) * 2018-09-07 2020-03-17 杭州海康威视数字技术股份有限公司 LED display screen adjusting method and device, electronic equipment and storage medium
CN112292723A (en) * 2019-03-13 2021-01-29 西安诺瓦星云科技股份有限公司 Display screen configuration method, device and system
CN113050898A (en) * 2019-12-28 2021-06-29 浙江宇视科技有限公司 Display screen control method, device, equipment, system and medium
CN113596347A (en) * 2020-04-30 2021-11-02 西安诺瓦星云科技股份有限公司 Image display method and image display device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1942850A (en) * 2004-01-30 2007-04-04 皇家飞利浦电子股份有限公司 3-D cursor control system
CN201035745Y (en) * 2006-12-28 2008-03-12 康佳集团股份有限公司 LED display screen infrared remote control debugging system
CN101764963A (en) * 2008-12-23 2010-06-30 康佳集团股份有限公司 Television set operated by cursor and remote controller
CN101923820A (en) * 2010-07-27 2010-12-22 深圳市中庆微科技开发有限公司 LED display screen spot-spot correction system with master-slave mode
CN201993902U (en) * 2011-01-04 2011-09-28 康佳集团股份有限公司 Light-emitting diode (LED) display screen wireless remote control debugging system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1942850A (en) * 2004-01-30 2007-04-04 皇家飞利浦电子股份有限公司 3-D cursor control system
CN201035745Y (en) * 2006-12-28 2008-03-12 康佳集团股份有限公司 LED display screen infrared remote control debugging system
CN101764963A (en) * 2008-12-23 2010-06-30 康佳集团股份有限公司 Television set operated by cursor and remote controller
CN101923820A (en) * 2010-07-27 2010-12-22 深圳市中庆微科技开发有限公司 LED display screen spot-spot correction system with master-slave mode
CN201993902U (en) * 2011-01-04 2011-09-28 康佳集团股份有限公司 Light-emitting diode (LED) display screen wireless remote control debugging system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105118475A (en) * 2015-09-02 2015-12-02 西安诺瓦电子科技有限公司 Brightness or brightness and chroma adjusting method of LED display screen
CN106856081A (en) * 2015-12-08 2017-06-16 瑞轩科技股份有限公司 The detection means and its detection method of display
CN105550109A (en) * 2015-12-11 2016-05-04 四川长虹电器股份有限公司 Equipment debugging method and electronic equipment
CN110890054A (en) * 2018-09-07 2020-03-17 杭州海康威视数字技术股份有限公司 LED display screen adjusting method and device, electronic equipment and storage medium
CN110890054B (en) * 2018-09-07 2021-11-23 杭州海康威视数字技术股份有限公司 LED display screen adjusting method and device, electronic equipment and storage medium
CN112292723A (en) * 2019-03-13 2021-01-29 西安诺瓦星云科技股份有限公司 Display screen configuration method, device and system
CN113050898A (en) * 2019-12-28 2021-06-29 浙江宇视科技有限公司 Display screen control method, device, equipment, system and medium
CN113050898B (en) * 2019-12-28 2023-02-21 浙江宇视科技有限公司 Display screen control method, device, equipment, system and medium
CN113596347A (en) * 2020-04-30 2021-11-02 西安诺瓦星云科技股份有限公司 Image display method and image display device

Also Published As

Publication number Publication date
CN102542961B (en) 2014-04-09

Similar Documents

Publication Publication Date Title
CN102542961B (en) Hand-held wireless LED (light-emitting diode) display screen debugging device and method
CN102768816B (en) LED display automated correction method
CN201146580Y (en) Automatic test system and television with function of automatically testing interface
CN204360056U (en) A kind of novel liquid crystal display screen test machine
CN101269711A (en) Full-automatic apparatus for printing label for blood products
CN103092176A (en) Automatic detection production line control system
CN202275322U (en) Comprehensive detection platform for automotive electronics
CN206179820U (en) Electricity -saving lamp automatic assembly assembly line
CN203870243U (en) Device for automatically detecting liquid crystal rotate display content of intelligent electric energy meter
CN104216399B (en) Remote debugging method of image transmission based remote distribution transformer terminal debugging system
CN107322145B (en) Stud welding multichannel distributor
CN201837877U (en) Automatic control device for positioning, spraying and dust falling on fully mechanized mining face
CN102176147A (en) Stage control system and method for digital multiplex (DMX) 512 intelligent distribution isolating amplifier
CN202260083U (en) Pneumatic wiring terminal crimping machine
CN104021064A (en) Serial communication data monitoring method
CN203573579U (en) LED display screen with fault position convenient to recognize
CN104021748A (en) LED display screen dead point detecting system
CN101739994B (en) Method for preventing LCD Monitor DDC data from being burnt by mistake
CN111970667A (en) Bluetooth intelligent address writing system based on DMX512 lamp
CN202494766U (en) Voltage internal resistance general-purpose tester
CN201616092U (en) Device capable of automatically setting language of display
CN104283775A (en) Interconversion device for WiFi network and CAN
CN102817393A (en) Excavator parameter trimming device and trimming method
CN213410741U (en) Wireless communication system for welding power supply and welding power supply system
CN203918210U (en) Electric resistance welding automatic welding operating system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Hand-held wireless LED (light-emitting diode) display screen debugging device and method

Effective date of registration: 20160629

Granted publication date: 20140409

Pledgee: Xi'an high tech emerging industry investment fund partnership (limited partnership)

Pledgor: Xian Novastar Electronic Technology Co., Ltd.

Registration number: 2016610000023

PLDC Enforcement, change and cancellation of contracts on pledge of patent right or utility model
PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20180929

Granted publication date: 20140409

Pledgee: Xi'an high tech emerging industry investment fund partnership (limited partnership)

Pledgor: Xian Novastar Electronic Technology Co., Ltd.

Registration number: 2016610000023

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province

Patentee after: XI'AN NOVASTAR TECH Co.,Ltd.

Address before: 710126, No. two Taibai South Road, Yanta District, Shaanxi, Xi'an

Patentee before: Xi'an NovaStar Tech Co.,Ltd.