CN101719356B - Programming method for programming EDID simultaneously on liquid crystal display multiinterface - Google Patents

Programming method for programming EDID simultaneously on liquid crystal display multiinterface Download PDF

Info

Publication number
CN101719356B
CN101719356B CN2009101128730A CN200910112873A CN101719356B CN 101719356 B CN101719356 B CN 101719356B CN 2009101128730 A CN2009101128730 A CN 2009101128730A CN 200910112873 A CN200910112873 A CN 200910112873A CN 101719356 B CN101719356 B CN 101719356B
Authority
CN
China
Prior art keywords
burning
lcd
edid
interface
data
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.)
Active
Application number
CN2009101128730A
Other languages
Chinese (zh)
Other versions
CN101719356A (en
Inventor
高华平
边红艳
杜丹
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.)
TPV Electronics Fujian Co Ltd
Original Assignee
TPV Electronics Fujian 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 TPV Electronics Fujian Co Ltd filed Critical TPV Electronics Fujian Co Ltd
Priority to CN2009101128730A priority Critical patent/CN101719356B/en
Publication of CN101719356A publication Critical patent/CN101719356A/en
Application granted granted Critical
Publication of CN101719356B publication Critical patent/CN101719356B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a programming method for programming EDID simultaneously on a liquid crystal display multiinterface. EDID data is programmed in a liquid crystal display interface memory by a personal computer (PC), a programmer and a programming program; one end of the programmer is provided with a plurality of analog signal interfaces and digital signal interfaces which can be connected with the liquid crystal display interface, and the other end of the programmer is electrically connected with the PC by a computer parallel port; the programming program comprises a programming function and a detecting function and simulates IIC communication with liquid crystal display MCU software to program the EDID data into the liquid crystal display interface memory. In the invention, the EDID data of a plurality of displays and a plurality of interfaces can be programmed simultaneously by the programming program through the programmer, the working efficiency is improved, and the liquid crystal display is difficult to omit programming. The programming program operates on the basis of a windows operation system and has friendly interface and convenient operation and is convenient for programming data management.

Description

The method for burn-recording of the many interfaces of a kind of LCD burning simultaneously EDID
Technical field the present invention relates to the data burning field of LCD, relates in particular to the method for burn-recording of the many interfaces of a kind of LCD burning simultaneously EDID.
The background technology LCD generally comprises analog signal interface or digital signal interface, these interfaces carry out data communication by DDC (Display DataChannel DDC) with main frame, the data of DDC transmission are called EDID (Extended Display IdentificationData extending display identification data), EDID comprises the basic parameter of display device, as data such as manufacturer, name of product, maximum row field frequency, supported resolution.When making LCD, need be in the LCD interface memory with the EDID data burning.
Every LCD all needs by the DDC burning program EDID data to be write in the LCD interface memory, LCD has VGA (Video Graphics Array analog signal interface), DVI (Digital Visual Interface digital signal interface), HDMI several different analog signal interfaces and digital signal interfaces such as (High-Definition Multimedia Interface high-definition multimedia signaling interfaces), the storer of each interface can be EEPROM (Electrically Erasable Programmable Read-Only Memory EEPROM (Electrically Erasable Programmable Read Only Memo)) or FLASH (flash memory) type.In existing technology, the DDC burning is different burning program and the EDID data information of LCD employing according to different model, select corresponding EDID data information to call corresponding burning program simultaneously by manual the going of operator, be not easy to carry out the making and the management and control of EDID data information; And prior art can't realize the EDID data burning simultaneously of analog signal interface and digital signal interface, for the LCD that a plurality of interfaces are arranged, needs to divide a multistation operation, and its burning efficient is low, cost is high.
Summary of the invention the object of the invention provide a kind of pass through a program just can be to the method for burn-recording of the many interfaces of the LCD burning simultaneously EDID of multiple display and multiple interfaces thereof burning simultaneously.
The technical solution used in the present invention is: the present invention utilizes the PC computing machine, cd-rom recorder, burning program with the EDID data burning in the LCD interface memory, cd-rom recorder one end is provided with a plurality of analog signal interface and digital signal interfaces that can link to each other with the LCD interface, the cd-rom recorder other end electrically connects by computer parallel port and PC computing machine, and burning program comprises burning function and measuring ability, by with LCD MCU (single-chip microcomputer) software simulation IIC (Inter-Integrated Circuit is the I2C bus) communication with the EDID data burning in LCD interface reservoir.
Above-mentioned cd-rom recorder comprises the Simulation with I IC communicating circuit of analog signal interface and the Simulation with I IC communicating circuit of digital signal interface, and its circuit mainly is made up of the 74LS05 chip.
Burning process step of the present invention is as follows:
Whether A, startup PC computing machine detect PC computing machine, cd-rom recorder and LCD interface and electrically connect, and PC computing machine and cd-rom recorder begin parallel communication;
B, in the PC computing machine, from an EDID database of having built up, call corresponding EDID data source file by burning program;
C, PC computing machine send DDC burning order to LCD MCU software by computer parallel port simulating IIC communication modes, determine the burning mode according to the response result of LCD MCU software again: will be in EEPROM style interface storer as replying after the LCD MCU software detection the EDID deposit data, then burning program takes forward sequence that the EDID data are written in the LCD interface memory; Will be in the FLASH style interface, then burning program takes reverse sequence that the EDID data are written in the LCD interface memory as replying after the LCD MCU software detection the EDID deposit data; Reply after the LCD MCU software detection for another example need simultaneously the EDID deposit data of analog signal interface in FLASH style interface storer, the EDID deposit data of digital signal interface in EEPROM style interface storer, then burning program with the EDID data back of analog signal interface send, the EDID data forward transmission of digital signal interface is written in the corresponding interface storer of LCD;
After a period of time is finished in D, burning, PC computing machine and cd-rom recorder carry out parallel communication, read the EDID data that burning is good in the LCD interface memory by cd-rom recorder, the PC computing machine compares EDID data and the EDID data in the source file that receive, judge then and show that burning is qualified that data are inconsistent then to be judged and show that burning is defective as the data unanimity;
E, the LCD qualified to burning, burning program sends and instructs to peripheral control unit, and peripheral control unit control production line is carried out action, LCD is transported to next operation.
The present invention utilizes a burning program can the EDID data burning simultaneously of multiple display and multiple interfaces thereof to be increased work efficiency by cd-rom recorder; Burning program judges whether burning is qualified, could control the production line operation after burning is qualified, makes not leakiness burning of LCD; Burning program is based on the windows operating system, and friendly interface, easy to operate is convenient to the burning data management.
Description of drawings now is further elaborated the present invention in conjunction with the accompanying drawings:
Fig. 1 is a system chart of the present invention;
Fig. 2 is a burning process flow diagram of the present invention;
Fig. 3 is the parallel port wiring diagram of cd-rom recorder of the present invention;
Fig. 4 is the Simulation with I IC communicating circuit schematic diagram of analog signal interface of the present invention;
Fig. 5 is the Simulation with I IC communicating circuit schematic diagram of digital signal interface of the present invention;
Fig. 6 is the circuit theory diagrams that computer parallel port of the present invention connects peripheral control unit.
Embodiment as shown in Figure 1, the present invention utilizes PC computing machine 1, cd-rom recorder 2, burning program 3 is burnt to EDID in LCD 4 interface memories 41, cd-rom recorder 2 one ends are provided with a plurality of analog signal interface and digital signal interfaces that can link to each other with LCD 4 interfaces, cd-rom recorder 2 other ends electrically connect by computer parallel port 11 and PC computing machine 1, burning program 3 comprises burning function and measuring ability, by with LCD MCU (single-chip microcomputer) software 42 Simulation with I IC (Inter-Integrated Circuit is the I2C bus) communication with the EDID data burning in LCD interface reservoir 41.
As shown in Figure 2, burning process step of the present invention is as follows:
Whether A, startup PC computing machine 1 detect PC computing machine 1, cd-rom recorder 2 and LCD 4 interfaces and electrically connect, PC computing machine 1 and cd-rom recorder 2 beginning parallel communications;
B, in PC computing machine 1, from an EDID database of having built up, call corresponding EDID data source file by burning program 3;
C, PC computing machine 1 sends DDC burning order to LCD MCU software 42 by computer parallel port 11 Simulation with I IC communication modes, determines the burning mode according to the response result of LCD MCU software 42 again: replying after detecting as LCD MCU software 42 will be the EDID deposit data in EEPROM style interface storer 41, then burning program 3 takes forward sequence that the EDID data are written to each LCD interface memory 41; Replying after detecting as LCD MCU software 42 will be the EDID deposit data in FLASH style interface storer 41, then burning program 3 takes reverse sequence that the EDID data are written to each LCD interface memory 41; Reply after LCD MCU software 42 detects for another example need simultaneously the EDID deposit data of analog signal interface in FLASH style interface storer 41, the EDID deposit data of digital signal interface in EEPROM style interface storer 41, then burning program 3 with the EDID data back of analog signal interface send, the EDID data forward transmission of digital signal interface is written in the corresponding interface storer 41 of LCD;
After a period of time is finished in D, burning, PC computing machine 1 and cd-rom recorder 2 carry out parallel communication, read the EDID data that burning is good in the LCD interface memory 41 by cd-rom recorder 2 and LCD MCU software 42, PC computing machine 1 compares EDID data and the EDID data in the source file that receive, judge then and show that burning is qualified that data are inconsistent then to be judged and show that burning is defective as the data unanimity;
E, the LCD 4 qualified to burning, burning program 3 sends and instructs to peripheral control unit, peripheral control unit control production line run action, LCD is transported to next operation.
As Fig. 1 and Fig. 3---shown in Figure 6, mainly contain one 25 pin parallel port gang socket 21 in the circuit of cd-rom recorder 2 of the present invention, parallel port gang socket 21 connects with computer parallel port 11, and defines the input and the output of each stitch by the IIC communications protocol.Analog signal interface Simulation with I IC communicating circuit 22 uses the signal phase negate of 74LS05 chip with 1 output of PC computing machine, and the elevator belt load capacity.The 23 same signal phase negates of using the 74LS05 chip with 1 output of PC computing machine of digital signal interface Simulation with I IC communicating circuit, and elevator belt load capacity.The circuit 24 of peripheral control unit is connected to the 14th pin of computer parallel port 11 through parallel port gang socket 21, the action that the relay contact K2 realization of control peripheral control unit is opened/closed, and then the control production line is carried out action, LCD 4 is transported to next operation.
Method provided by the invention can be used LCD, also can be used in LCD TV or other the regular display.

Claims (2)

1. the method for burn-recording of the many interfaces of LCD burning simultaneously EDID, it is characterized in that: its utilize PC computing machine, cd-rom recorder, burning program with the EDID data burning in the LCD interface memory, cd-rom recorder one end is provided with a plurality of analog signal interface and digital signal interfaces that can link to each other with the LCD interface, the cd-rom recorder other end electrically connects by computer parallel port and PC computing machine, burning program comprise burning function and measuring ability, by with LCD MCU software simulation IIC communication with the EDID data burning in LCD interface reservoir; The burning process step is as follows:
Whether A, startup PC computing machine detect PC computing machine, cd-rom recorder and LCD interface and electrically connect, and PC computing machine and cd-rom recorder begin parallel communication;
B, in the PC computing machine, from an EDID database of having built up, call corresponding EDID data source file by burning program;
C, PC computing machine send DDC burning order to LCD MCU software by computer parallel port simulating IIC communication modes, determine the burning mode according to the response result of LCD MCU software again: will be in EEPROM style interface storer as replying after the LCD MCU software detection the EDID deposit data, then burning program takes forward sequence that the EDID data are written in the LCD interface memory; Will be in the FLASH style interface, then burning program takes reverse sequence that the EDID data are written in the LCD interface memory as replying after the LCD MCU software detection the EDID deposit data; Reply after the LCD MCU software detection for another example need simultaneously the EDID deposit data of analog signal interface in FLASH style interface storer, the EDID deposit data of digital signal interface in EEPROM style interface storer, then burning program with the EDID data back of analog signal interface send, the EDID data forward transmission of digital signal interface is written in the corresponding interface storer of LCD;
After a period of time is finished in D, burning, PC computing machine and cd-rom recorder carry out parallel communication, read the EDID data that burning is good in the LCD interface memory by cd-rom recorder, the PC computing machine compares EDID data and the EDID data in the source file that receive, judge then and show that burning is qualified that data are inconsistent then to be judged and show that burning is defective as the data unanimity;
E, the LCD qualified to burning, burning program sends and instructs to peripheral control unit, and peripheral control unit control production line is carried out action, LCD is transported to next operation.
2. the method for burn-recording of the many interfaces of a kind of LCD according to claim 1 burning simultaneously EDID, it is characterized in that: above-mentioned cd-rom recorder comprises the Simulation with I IC communicating circuit of analog signal interface and the Simulation with I IC communicating circuit of digital signal interface, and its circuit mainly is made up of the 74LS05 chip.
CN2009101128730A 2009-11-27 2009-11-27 Programming method for programming EDID simultaneously on liquid crystal display multiinterface Active CN101719356B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101128730A CN101719356B (en) 2009-11-27 2009-11-27 Programming method for programming EDID simultaneously on liquid crystal display multiinterface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101128730A CN101719356B (en) 2009-11-27 2009-11-27 Programming method for programming EDID simultaneously on liquid crystal display multiinterface

Publications (2)

Publication Number Publication Date
CN101719356A CN101719356A (en) 2010-06-02
CN101719356B true CN101719356B (en) 2011-10-26

Family

ID=42433921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009101128730A Active CN101719356B (en) 2009-11-27 2009-11-27 Programming method for programming EDID simultaneously on liquid crystal display multiinterface

Country Status (1)

Country Link
CN (1) CN101719356B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101887703B (en) * 2010-06-18 2012-09-05 福建捷联电子有限公司 Multi-interface structure of liquid crystal display and extended display identification data (EDID) burning method thereof
CN102073614B (en) * 2011-01-20 2013-03-27 珠海艾派克微电子有限公司 Interface extending device and control method thereof
CN102750156A (en) * 2011-04-19 2012-10-24 上海博泰悦臻电子设备制造有限公司 Program burning method and system
CN102385849A (en) * 2011-11-29 2012-03-21 黄冈新北环电子科技有限公司 Intelligent EDID (Extended Display Identification Data) burning method
CN102722385A (en) * 2012-05-28 2012-10-10 康佳集团股份有限公司 Off-line copy device
CN103810982B (en) * 2012-11-09 2016-03-02 冠捷投资有限公司 There is the EDID method for burn-recording of the display of multiple video port
CN104318949B (en) 2014-11-20 2017-06-16 京东方科技集团股份有限公司 A kind of burning device, programming system and method for burn-recording
CN104615556A (en) * 2015-02-10 2015-05-13 昆山龙腾光电有限公司 EDID burning device and method
CN105096872B (en) * 2015-08-13 2017-10-17 深圳市华星光电技术有限公司 The startup method of liquid crystal display
CN105279088B (en) * 2015-10-23 2018-08-07 上海航天测控通信研究所 A kind of spaceborne computer software storage system and its method for burn-recording
CN106444102A (en) * 2016-08-05 2017-02-22 捷星显示科技(福建)有限公司 LCD EDID burning method
CN106102437B (en) * 2016-08-31 2019-08-09 周继禹 Feeding of chip mounter device
CN109086055A (en) * 2018-07-13 2018-12-25 武汉精测电子集团股份有限公司 A kind of multi-channel parallel industry cd-rom recorder
CN109358863B (en) * 2018-10-22 2021-07-20 深圳市派捷电子科技有限公司 IC burning method for ICT machine control

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1428706A (en) * 2001-12-26 2003-07-09 株式会社东芝 Method and device for mfg. display device
CN101051434A (en) * 2006-04-05 2007-10-10 深圳Tcl新技术有限公司 Copying and detecting method for flat panel display product EDID

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1428706A (en) * 2001-12-26 2003-07-09 株式会社东芝 Method and device for mfg. display device
CN101051434A (en) * 2006-04-05 2007-10-10 深圳Tcl新技术有限公司 Copying and detecting method for flat panel display product EDID

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
左瑞娟等.一种液晶电视/显示器中一次同时更新三个EDID的方法.《有线电视技术》.2009,(第9期),86-88. *
陈建英.EDID在HDMI高清设备中的应用.《电子产品世界》.2008,(第1期),114-116,127. *

Also Published As

Publication number Publication date
CN101719356A (en) 2010-06-02

Similar Documents

Publication Publication Date Title
CN101719356B (en) Programming method for programming EDID simultaneously on liquid crystal display multiinterface
CN101887703B (en) Multi-interface structure of liquid crystal display and extended display identification data (EDID) burning method thereof
CN103870222A (en) Display output control method and electronic device
CN106776174B (en) Display screen parameter debugging method and server
CN201583942U (en) Device for online writing EDID by USB
CN201758011U (en) Multi-channel EDID burning system of LCD TV
CN102110473B (en) Method and system for programming and checking EDID (Extended Display Identification Data) of display device
CN201204030Y (en) Apparatus for updating LCD EDID
CN101719353B (en) Extended display identification data burning method for Display Port liquid crystal display
CN101158934A (en) MC68HC908 series single-chip program recorder and control method thereof
CN101202028B (en) System and method for burn-recording display
CN103777386A (en) LCM (Liquid Crystal Display Module) testing machine
CN203561989U (en) Converter board and computer
CN102004541B (en) Image display system and method
CN104599653B (en) Signal conflict processing unit
CN1987567A (en) Liquid crystal display picture detecting system
CN103810982B (en) There is the EDID method for burn-recording of the display of multiple video port
CN211699666U (en) Liquid crystal panel tester integrating display upgrading and testing
CN101599247A (en) LED display device for industrial on-site parameters and data processing method thereof
CN209980231U (en) Burning and testing device based on NO FLASH assembly module
CN211505748U (en) Detection device of display module
TWI471851B (en) Edid burn-in method for display having multiple video ports
CN206057731U (en) A kind of lcd panel test and lcd touch burning device
CN111901589B (en) Automatic test system for television mainboard
CN101719354A (en) DDC off-line burning method for LCD (Liquid Crystal Display)

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