CN109121002A - The import system and method for LCD TV OC Demura data - Google Patents
The import system and method for LCD TV OC Demura data Download PDFInfo
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- CN109121002A CN109121002A CN201811037577.4A CN201811037577A CN109121002A CN 109121002 A CN109121002 A CN 109121002A CN 201811037577 A CN201811037577 A CN 201811037577A CN 109121002 A CN109121002 A CN 109121002A
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- demura
- tcon
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
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- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The present invention relates to LCD TV fields, it discloses the import system and method for a kind of LCD TV OC Demura data, solve the problems, such as the import plan of the OC Demura data in the traditional technology existing available machine time for influencing LCD TV.The format and storage mode of the present invention program specification Demura data: in addition to storing Demura raw compensation data in OC memory, also storage Demura verifies data；Individual storage region is divided to TCON memory to store Demura conversion offset data and Demura verification data；And the comparison mechanism for verifying data is established in OC memory and TCON memory, if comparing consistent, it then directly reads Demura in TCON memory and converts offset data, to on the basis of the Demura data for guaranteeing to import are correct, it is substantially reduced the importing time and LCD TV available machine time of Demura data, improves user experience.
Description
Technical field
The present invention relates to LCD TV fields, and in particular to a kind of import system of LCD TV OC Demura data and
Method.
Background technique
OC Demura function is LCD TV critical function relevant to display, shields glass (Open Cell, the lower letter of factory
Claim OC) manufacture come out after, due to processing procedure, brightness uniformity tends not to guarantee, being easy to appear Mura, (brightness is not
Uniformly) phenomenon, and the particular state of brightness irregularities that each sheet glass shows is also variant.To overcome the problems, such as this, protect
The brightness uniformity for demonstrate,proving every OC is all preferable, and liquid crystal display factory (can go when manufacturing OC for Demura is individually carried out per a piece of OC
Mura it) debugs, in debugging out Demura offset data and the memory that is stored on OC.
The import system of LCD TV OC Demura data in traditional technology is as shown in Figure 1, comprising: TCON master control
Chip, data transmission cable and OC memory；TCON main control chip, the control device for importing and handling for data；OC memory,
Store original OC Demura data；Data transmission cable, data transport vehicle between TCON main control chip and OC memory.
Based on above-mentioned import system, LCD TV is switched on every time, and when TCON plate energization point shields, TCON main control chip can pass through
Data transmission cable is from reading Demura offset data in the memory on OC and imported into display data, this ensures that
The brightness uniformity of every OC is preferable.And since the Demura data of every OC are all different, so on LCD TV is each
Electricity, TCON main control chip all needs to read the Demura data on OC in memory, after guaranteeing TV maintenance (replacement of TCON plate)
The Demura data importeding into display data are matched with the OC.
And since the format of Demura offset data has specificity, i.e., the Demura data stored in OC memory are past
Toward cannot be introduced directly into display data by TCON main control chip, and firstly the need of being formatted to Demura offset data,
It is imported into display data again.So the importing process of Demura data can be divided into: it reads, format conversion, import three phases,
As shown in Figure 2；Since original OC Demura data volume is larger (MB grades), when the reading and conversion of data can spend longer
Between, the available machine time of LCD TV can be thus significantly affected, user experience is reduced.
Summary of the invention
The technical problems to be solved by the present invention are: propose a kind of LCD TV OC Demura data import system and
Method solves asking for the import plan existing available machine time for influencing LCD TV of the OC Demura data in traditional technology
Topic.
The technical proposal adopted by the invention to solve the above technical problems is that:
The import system of LCD TV OC Demura data, including the transmission of TCON main control chip, TCON memory, data
Cable and OC memory；The TCON main control chip, the control device for importing and handling for data；The data transmission cable,
The data transport vehicle between TCON main control chip and OC memory；The TCON memory, to divide individual memory block
Domain verifies data to store Demura conversion offset data and Demura；The OC memory, to store the original benefit of Demura
Repay data and Demura verification data.
As advanced optimizing, the Demura verification data are only to the integrality of Demura raw compensation data, unique
Property is identified.Its data volume is small (KB grades), reads the time-consuming very little (Millisecond) with data comparison, can quickly be compared
It is right, verification.
As advanced optimizing, the Demura raw compensation data are to store after liquid crystal display factory carries out Demura debugging
Demura raw compensation data；Its data volume is big (MB grades), could be led by TCON main control chip after need to generally formatting
Enter into display data, the reading of data and format conversion are both needed to spend more time (second grade).The Demura conversion compensation
Data are the offset data obtained after TCON main control chip formats raw compensation data；Display can be importing directly into
Data import time-consuming small (Millisecond).
Based on above system, the present invention also provides a kind of introduction methods of LCD TV OC Demura data comprising
Following steps:
LCD TV is switched on every time when powering on, and TCON main control chip reads the Demura in OC memory and verifies data, and
It is compared with the Demura verification data in TCON memory；
If comparing successfully, the Demura conversion offset data in TCON memory is imported into display data, is completed
The importing of Demura data；
If comparison is unsuccessful, TCON main control chip read OC memory in Demura raw compensation data and to its into
Row format conversion, then by the verification data storage in the Demura offset data and OC memory after conversion to TCON memory
In and the data that are stored before covering, hereafter, the Demura offset data after the conversion is imported by TCON main control chip again
It shows in data, completes the importing of Demura data.
The beneficial effects of the present invention are:
The format and storage mode of specification Demura data: in addition to storing Demura raw compensation data in OC memory,
Also storage Demura verifies data；Individual storage region is divided to TCON memory come store Demura conversion offset data and
Demura verifies data；And the comparison mechanism for verifying data is established in OC memory and TCON memory, if comparing unanimously, directly
It connects and reads Demura conversion offset data in TCON memory, thus on the basis of the Demura data for guaranteeing to import are correct,
It is substantially reduced the importing time and LCD TV available machine time of Demura data, improves user experience.
Detailed description of the invention
Fig. 1 is the import system structural schematic diagram of the LCD TV OC Demura data in traditional technology；
Fig. 2 is the introduction method flow chart of the LCD TV OC Demura data in traditional technology；
Fig. 3 is the import system structural schematic diagram of the LCD TV OC Demura data in the present invention；
Fig. 4 is the introduction method flow chart of the LCD TV OC Demura data in the present invention；
In figure, 1 is TCON plate, and 2 be TCON main control chip, and 3 be OC memory, and 4 be data transmission cable, and 5 deposit for TCON
Reservoir.
Specific embodiment
The present invention is directed to propose a kind of import system and method for LCD TV OC Demura data, solve traditional technology
In OC Demura data import plan existing available machine time for influencing LCD TV the problem of.
As shown in figure 3, the import system of the LCD TV OC Demura data in the present invention include TCON main control chip 2,
OC memory 3, data transmission cable 4 and TCON memory 5；Wherein TCON main control chip 2 and TCON memory 5 are located at TCON plate
On 1, OC memory 3 is located on OC.The function of modules is as follows:
TCON main control chip 2: data import and the control device of processing；
OC memory 3: original OC Demura data and Demura verification data are stored；
Data transport vehicle between data transmission cable 4:TCON main control chip 2 and OC memory 3；
TCON memory 5: OC Demura data and Demura after storage format conversion verify data；
Demura verifies data: only identifying to integrality, the uniqueness of raw compensation data, the small (KB of data volume
Grade), it reads and the time-consuming of data comparison very little (Millisecond)；
Raw compensation data: the Demura raw compensation data stored after Demura debugging, data are carried out for liquid crystal display factory
Big (MB grades) are measured, could be imported by TCON main control chip after need to generally formatting in display data, the reading of data
It is both needed to spend more time (second grade) with format conversion；
Convert offset data: the compensation number obtained after formatting into TCON main control chip to raw compensation data
According to can be importing directly into display data, import time-consuming small (Millisecond).
Based on above system, the importing implementation methods of the LCD TV OC Demura data in the present invention as shown in figure 4,
Itself the following steps are included:
LCD TV is switched on every time when powering on, and TCON main control chip reads the Demura in OC memory and verifies data, and
It is compared with the verification data in TCON memory, if comparing successfully, the Demura in TCON memory is converted into compensation
Data are imported into display data, complete the importing of Demura data.The importing process only relates to low volume data (verification data)
Reading, comparison and convert offset data importing, spend the time seldom (Millisecond), when having little influence on television startup
Between.
If verifying, comparing is unsuccessful, and TCON main control chip reads the Demura raw compensation number in OC memory
According to, and it is formatted, and the storage of the verification data in offset data and OC memory will be converted to TCON memory
In and cover the data that had previously been stored, then TCON controls chip and the new conversion offset data is imported into display data again
In, complete the importing of Demura data.This data importing process time-consuming is more (second grade), when can clearly result in LCD TV booting
Between it is elongated.But the situation occurs when usually only can produce, manufacture or repair (replacement TCON plate or OC) in TV, and makes in user
When with LCD TV, for the importing of OC Demura data, TCON main control chip can only execute above-mentioned verification comparison and successfully lead
Enter step, the importing time of such OC Demura is very short, will not cause to significantly affect to the LCD TV available machine time.
Claims (4)
1. the import system of LCD TV OC Demura data, which is characterized in that including TCON main control chip, TCON memory,
Data transmission cable and OC memory；The TCON main control chip, the control device for importing and handling for data；The data pass
Defeated cable, the data transport vehicle between TCON main control chip and OC memory；The TCON memory, to divide individually
Storage region verifies data to store Demura conversion offset data and Demura；The OC memory, to store Demura
Raw compensation data and Demura verify data.
2. the import system of LCD TV OC Demura data as described in claim 1, which is characterized in that the Demura
Verification data only identify integrality, the uniqueness of Demura raw compensation data.
3. the import system of LCD TV OC Demura data as claimed in claim 1 or 2, which is characterized in that
The Demura raw compensation data are that liquid crystal display factory carries out the Demura raw compensation data stored after Demura debugging；
The Demura converts the benefit obtained after offset data formats raw compensation data into TCON main control chip
Repay data.
4. the introduction method of LCD TV OC Demura data, the import system applied to such as claim 1-3 any one
In comprising following steps:
LCD TV is switched on every time when powering on, and TCON main control chip reads the Demura in OC memory and verifies data, and with
Demura verification data in TCON memory are compared；
If comparing successfully, the Demura conversion offset data in TCON memory is imported into display data, is completed
The importing of Demura data；
If comparison is unsuccessful, TCON main control chip reads the Demura raw compensation data in OC memory and carries out lattice to it
Formula conversion, then stores the verification data in the Demura offset data and OC memory after conversion into TCON memory simultaneously
Demura offset data after the conversion is imported into display again by the data stored before covering, hereafter, TCON main control chip
In data, the importing of Demura data is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037577.4A CN109121002B (en) | 2018-09-06 | 2018-09-06 | Liquid crystal television OC Demura data importing system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811037577.4A CN109121002B (en) | 2018-09-06 | 2018-09-06 | Liquid crystal television OC Demura data importing system and method |
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| CN109121002A true CN109121002A (en) | 2019-01-01 |
| CN109121002B CN109121002B (en) | 2020-12-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637431A (en) * | 2019-02-25 | 2019-04-16 | 武汉天马微电子有限公司 | A kind of display compensation method of display panel |
| CN110246469A (en) * | 2019-07-29 | 2019-09-17 | 深圳市华星光电技术有限公司 | The demura data application method of unified format |
| WO2021057596A1 (en) * | 2019-09-24 | 2021-04-01 | 深圳创维－Rgb电子有限公司 | Image quality processing method, smart television and storage medium |
| CN113076142A (en) * | 2021-03-31 | 2021-07-06 | 海信视像科技股份有限公司 | TCON parameter initialization method and display device |
| CN113099279A (en) * | 2021-03-31 | 2021-07-09 | 海信视像科技股份有限公司 | TCON parameter writing method and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244004A (en) * | 2015-11-23 | 2016-01-13 | 深圳市华星光电技术有限公司 | Control board and liquid crystal display with control board |
| CN106297692A (en) * | 2016-08-26 | 2017-01-04 | 深圳市华星光电技术有限公司 | A kind of adaptive method and device of clock controller |
| CN106960653A (en) * | 2017-04-25 | 2017-07-18 | 武汉精测电子技术股份有限公司 | A kind of module color spot prosthetic device and method |
| US20170206821A1 (en) * | 2016-01-20 | 2017-07-20 | Samsung Display Co., Ltd. | Method of compensating for an excimer laser annealing mura and display device employing the same |
| US20180166030A1 (en) * | 2016-09-12 | 2018-06-14 | Novatek Microelectronics Corp. | Driving apparatus and method |
-
2018
- 2018-09-06 CN CN201811037577.4A patent/CN109121002B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244004A (en) * | 2015-11-23 | 2016-01-13 | 深圳市华星光电技术有限公司 | Control board and liquid crystal display with control board |
| US20170206821A1 (en) * | 2016-01-20 | 2017-07-20 | Samsung Display Co., Ltd. | Method of compensating for an excimer laser annealing mura and display device employing the same |
| CN106297692A (en) * | 2016-08-26 | 2017-01-04 | 深圳市华星光电技术有限公司 | A kind of adaptive method and device of clock controller |
| US20180166030A1 (en) * | 2016-09-12 | 2018-06-14 | Novatek Microelectronics Corp. | Driving apparatus and method |
| CN106960653A (en) * | 2017-04-25 | 2017-07-18 | 武汉精测电子技术股份有限公司 | A kind of module color spot prosthetic device and method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637431A (en) * | 2019-02-25 | 2019-04-16 | 武汉天马微电子有限公司 | A kind of display compensation method of display panel |
| CN110246469A (en) * | 2019-07-29 | 2019-09-17 | 深圳市华星光电技术有限公司 | The demura data application method of unified format |
| WO2021017029A1 (en) * | 2019-07-29 | 2021-02-04 | Tcl华星光电技术有限公司 | Unified-format demura data application method |
| WO2021057596A1 (en) * | 2019-09-24 | 2021-04-01 | 深圳创维－Rgb电子有限公司 | Image quality processing method, smart television and storage medium |
| CN113076142A (en) * | 2021-03-31 | 2021-07-06 | 海信视像科技股份有限公司 | TCON parameter initialization method and display device |
| CN113099279A (en) * | 2021-03-31 | 2021-07-09 | 海信视像科技股份有限公司 | TCON parameter writing method and display device |
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| CN109121002B (en) | 2020-12-01 |
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