CN111176667A - Data burning method and data burning device - Google Patents
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- CN111176667A CN111176667A CN201911395486.2A CN201911395486A CN111176667A CN 111176667 A CN111176667 A CN 111176667A CN 201911395486 A CN201911395486 A CN 201911395486A CN 111176667 A CN111176667 A CN 111176667A
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Abstract
The application discloses a data burning method and a data burning device, which can read and burn Demura data in parallel through at least two groups of SPI buses and at least two flash memories, and improve the work efficiency and the productivity of a plant line. The method in the embodiment of the application comprises the following steps: the data burning device reads data in the flash memory through a time schedule controller (TCON), the data burning device is provided with at least one TCON, and each TCON is at least connected with two groups of Serial Peripheral Interface (SPI) buses; the data burning device judges whether the flash memories store data or not, and the number of the flash memories is at least two; if not, the data burning device resets the flash memory; the data burning device subpackages the calculated Demura data; and the data burning device respectively burns the sub-Demura data after sub-packaging into each flash memory.
Description
Technical Field
The present application relates to the field of liquid crystal display technologies, and in particular, to a data burning method and a data burning device.
Background
In order to overcome the phenomenon of uneven display on a display panel of a Liquid Crystal Display (LCD), a data burning device needs to optically compensate for the Mura phenomenon, and data optically compensating for the Mura phenomenon is called Demura data. In addition, when the LCD is turned on, the data burning device executes a program for optically compensating for the Mura phenomenon, so that the Demura data needs to be burned into the burner of the LCD.
Referring to fig. 1, a conventional data recording device 100 is shown in fig. 1, where fig. 1 is a data recording device 100 currently used in the market, and the data recording device 100 in fig. 1 has a model recording structure of a 4K, 60/120Hz LCD. As shown in fig. 1, the data burning apparatus 100 includes a flash memory 101 and a flash memory burner 102, and is a single burner data burning apparatus. The data burning device 100 burns the Demura data after being started up, and comprises the following steps: firstly, the data burning device 100 reads data in a flash memory (English) through a Timing Controller (TCON) in a computer 103, wherein the TCON is connected with a group of SPI buses; then the data burning device 100 judges whether the flash memory stores data or not, and the data burning device 100 is provided with a flash memory; if the data burning device 100 determines that no data is stored in the flash memory, the data burning device 100 may burn the calculated Demura data into the flash memory.
However, the existing factory line produces the LCD through the production line, if the time spent by one process is too long, the yield is low, and as the LCD gradually develops to a high resolution, the resolution is continuously increased, and the corresponding Demura data is also continuously increased, so that the burning time of the factory line machine is also continuously increased, and the capacity of the factory is seriously influenced.
Disclosure of Invention
In view of this, the present application provides a data burning method and a data burning device, which can read and burn Demura data in parallel through at least two sets of SPI buses and at least two flash memories, thereby improving the work efficiency and productivity of a plant line.
The embodiment of the application provides a data burning method for optically compensating display unevenness of a display panel, which comprises the following steps:
the data burning device reads data in the flash memory through a time schedule controller (TCON), the data burning device is provided with at least one TCON, and each TCON is at least connected with two groups of Serial Peripheral Interface (SPI) buses;
the data burning device judges whether the flash memories store data or not, and the number of the flash memories is at least two;
if not, the data burning device resets the flash memory;
the data burning device subpackages the calculated Demura data;
and the data burning device respectively burns the sub-Demura data after sub-packaging into each flash memory.
Optionally, after the data burning apparatus determines whether the flash memory stores data, before the data burning apparatus packetizes the calculated Demura data, the method further includes:
and if so, erasing the data of the flash memory by the data burning device.
Optionally, the number of the flash memories is 4.
Optionally, the packetizing, by the data burning apparatus, the calculated Demura data further includes:
the data burning device divides the calculated Demura data into two data packets in the middle, which are large, and two data packets on two sides, which are small.
Optionally, the packetizing, by the data burning apparatus, the calculated Demura data further includes:
and the data burning device divides the calculated Demura data into data packets with the same quantity and size as the flash memory.
The embodiment of the application provides a data burning device for optical compensation is carried out to display panel demonstration inhomogeneous, includes:
the reading unit is used for reading data in the flash memory through a time schedule controller (TCON), the data burning device is provided with at least one TCON, and each TCON is at least connected with two groups of Serial Peripheral Interface (SPI) buses;
the judging unit is used for judging whether the flash memories store data or not, and the number of the flash memories is at least two;
the resetting unit is used for resetting the flash memory when the judging unit determines that the data are stored in the flash memory;
the subpackaging unit is used for subpackaging the calculated Demura data;
and the burning unit is used for respectively burning the sub-Demura data after the sub-package into each flash memory.
Optionally, the data burning apparatus further includes:
and the erasing unit is used for erasing the data of the flash memory after the judging unit determines that the data are stored in the flash memory.
Optionally, the number of the flash memories is 4.
Optionally, the packetizing unit is specifically configured to divide the calculated Demura data into two data packets, the middle data packet being large and the two data packets on the two sides being small.
Optionally, the packetizing unit is specifically configured to divide the calculated Demura data into data packets with the same number and size as the flash memories.
The embodiment of the application provides another data burning device which has the function of realizing the data burning device in the data burning method. The function can be realized by hardware, and can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the functions described above.
The embodiment of the present application provides a computer storage medium, which is used for storing computer software instructions for the data burning device, and includes a program for executing the program designed for the data burning device.
The embodiment of the application provides a computer program product, which includes computer software instructions, and the computer software instructions can be loaded by a processor to implement the method flow in the data burning method.
According to the technical scheme, the embodiment of the application has the following advantages: the data burning device can read the data in the flash memory through the TCON, the data burning device has at least one TCON, and each TCON is connected with at least two sets of SPI buses, then the data burning device judges whether the flash memory stores data, the flash memory has at least two flash memories, if the data burning device determines that the flash memory does not store data, the data burning device resets the flash memory, then the calculated Demura data are respectively packaged, and the packaged sub-Demura data are respectively burnt into each flash memory, because the data burning device is provided with at least two TCONs, and each TCON is connected with at least two sets of SPI buses, the data in the flash memory can be read in parallel when the power is on (from the power is on to the process that the system is stable to work), thereby saving the time of loading codes (codes) after the power is on, in addition, because at least two flash memories are arranged in the data burning device, therefore, the Demura data can be burnt in parallel, the time for burning the Demura data is reduced, the work efficiency and the productivity of a factory line are improved, and the display quality of an LCD is improved.
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In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional data recording apparatus;
FIG. 2 is a schematic structural diagram of a data recording device according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an embodiment of a data burning method according to the present application;
FIG. 4 is a schematic diagram of an embodiment of a data recording apparatus according to the present application;
fig. 5 is a schematic diagram of another embodiment of a data burning apparatus according to the present application.
Detailed Description
The embodiment of the application provides a data burning method and a data burning device, which are used for reading and burning Demura data in parallel through at least two groups of SPI buses and at least two flash memories, and the work efficiency and the productivity of a plant line are improved.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a data recording device according to an embodiment of the present application. The data burning apparatus shown in FIG. 2 is a multi-burner data burning apparatus 200, which has a model burning architecture of 8K, 60/120Hz LCD. A flash memory 201, a plurality of flash memory burners 202, a TCON (not shown) disposed in the computer 203, and two sets of SPI buses, each connected to a pair of flash memory burners 202, are required. The multi-burner data burner 200 reads the data in the flash burner 202 through the SPI bus via the TCON in the computer 203, and executes various instructions to process the data through the TCON.
It should be noted that, in the embodiment of the present application, the SPI bus may be two groups, or may also be three or more groups, and is not limited herein. In addition, the number of the flash writers 202 may be 4, may also be two, or 3, or 5, but is preferably 4, and is not limited herein.
Based on the above description of the structure of the data burning apparatus, the data burning method in the embodiment of the present application is described below. Referring to fig. 3, fig. 3 is a schematic diagram of an embodiment of a data burning method in the embodiment of the present application.
It should be noted that the embodiment of the present application can be used for an 8K display screen and also can be used for a 4K display screen, and since the resolution of the 8K display screen is 4 times that of the 4K display screen, the embodiment of the present application is preferably used for the 8K display screen.
One embodiment of the data burning method in the embodiment of the application includes:
301. the data burning device reads the data in the flash memory through the TCON;
in this embodiment, after the LCD is powered on, the data in the flash memory starts to be read through the TCON. Power-up refers to the process from power-on to the system settling to work.
In this embodiment, the data burning device may have at least one TCON, each TCON may be connected to at least two sets of SPI buses, each set of bus may be connected to a pair of flash burners, or one set of bus may be connected to a pair of flash burners, and the other set of bus is connected to 1 or 3 flash burners, which is not limited herein.
Furthermore, TCON may also have 3 or more sets of SPI buses, which is not limited herein.
Therefore, the data burning device can read the data in the flash memory in parallel through at least two groups of SPI buses of the TCON.
302. The data burning device judges whether the flash memory stores data or not;
after reading the data in the flash memory, the data burning device can judge whether the flash memory stores the data or not,
if yes, go to step 303, otherwise go to step 304.
Judging whether the flash memory stores data, namely performing empty check (empty check) on the flash memory, namely judging whether the flash memory is subjected to initial burning, if so, directly executing step 303, and if not, executing step 304.
And judging whether the flash memory stores data or not by reading the content in the flash memory, and if the content in the flash memory is read to be 1, determining that the flash memory is burnt once and is not burnt for the first time.
It should be noted that there may be at least two flash recorders in the data recording device, and there may also be 3 or more than 3 flash recorders in the data recording device. Preferably, there may be 4 flash writers.
303. The data burning device erases the data of the flash memory;
if the data burning device determines that the flash memory stores data, the data of the flash memory can be erased.
304. The data burning device resets the flash memory;
if the data burning apparatus determines that the flash memory has no data stored therein, the flash memory may be directly reset without performing step 303.
305. The data burning device subpackages the calculated Demura data;
after the data burning device erases the flash memory data or resets the flash memory, the camera can acquire Mura data of the display screen by shooting after the LCD is powered on, then the data burning device can calculate the Mura data of the display screen to obtain Demura data, and the Demura data are divided into data packets with the same number corresponding to the number of the flash memory burners. Preferably, the number of flash recorders may be 4.
It should be noted that if the number of the flash memory writers is 4, the two middle data packets are larger than the two data packets on the two sides, and since there are two chips, each chip is responsible for processing the data of the two data packets, for example, there are chips 1 and 2, and the data packets have the 1 st, 2 nd, 3 rd, and 4 th data packets, since Demura is linear interpolation, the 2 nd and 3 rd adjacent data packets, and the 2 nd data packet is the boundary of chip 1, the 3 rd data packet is the boundary of chip 2, and the Demura data of the linear interpolation needs to contain some adjacent compensation values, so the middle data packet is larger.
In addition, the number of the flash recorders can be two, and in this case, the two data packets are as large.
It should be noted that in the embodiment of the present application, only Demura data may be burned into the flash burner, and other data related to the display screen may not be burned into the flash burner, so that the burning time may be further reduced.
306. The data burning device burns the sub-Demura data after sub-package into each flash memory respectively.
After the data burning device subpackages, the sub-Demura data after subpackaging are respectively burned into each flash memory.
In the embodiment of the application, the data burning device can read the data in the flash memory through the TCON, the data burning device has at least one TCON, each TCON is connected with at least two sets of SPI buses, then the data burning device judges whether the flash memory stores the data, the flash memories have at least two, if the data burning device determines that the flash memory does not store the data, the data burning device resets the flash memory, then the calculated Demura data are respectively subpackaged, and the subpackaged sub-Demura data are respectively burnt into the flash memories, because the data burning device is provided with at least two TCONs, and each TCON is connected with at least two sets of SPI buses, the data in the flash memories can be read in parallel when being electrified, thereby saving three-quarters of time for loading codes after being electrified, in addition, because the data burning device is provided with at least two flash memories, the Demura data can be burnt in parallel, therefore, the time for burning the Demura data is reduced, the working efficiency and the productivity of a factory line are improved, and the display quality of the LCD is improved.
The data burning method in the embodiment of the present application is described above, and please refer to fig. 4, where fig. 4 is an embodiment of the data burning device in the embodiment of the present application.
An embodiment of the data burning apparatus in the embodiment of the present application includes:
the reading unit 401 is used for reading data in the flash memory through the time schedule controller TCON, the data burning device has at least one TCON, and each TCON is connected with at least two groups of serial peripheral interface SPI buses;
a determining unit 402, configured to determine whether data is stored in at least two flash memories;
a resetting unit 403, configured to reset the flash memory when the determining unit determines that the flash memory stores data;
a packetizing unit 404, configured to packetize the calculated Demura data;
and a burning unit 405, configured to respectively burn the packetized sub-Demura data into each flash memory.
In this embodiment, the data burning apparatus further includes:
an erasing unit 406, configured to erase the data of the flash memory after the determining unit determines that the data is stored in the flash memory.
In this embodiment, the number of flash memories may be 4.
In this embodiment, the packetizing unit 404 is specifically configured to divide the calculated Demura data into two data packets, which are large in the middle and small in the two sides.
In this embodiment, the packetizing unit 404 is specifically configured to divide the calculated Demura data into data packets with the same number and size as the flash memories.
In this embodiment, the reading unit 401 can read data in the flash memory through the TCON, the data burning device has at least one TCON, and each TCON is connected to at least two sets of SPI buses, then the determining unit 402 determines whether the flash memory stores data, the flash memory has at least two flash memories, if the determining unit 402 determines that the flash memory does not store data, the resetting unit 403 resets the flash memory, then the packetizing unit 404 packetizes the calculated Demura data, respectively, the burning unit 405 burns the packetized sub-Demura data into each flash memory, respectively, because the data burning device has at least two TCONs, and each TCON is connected to at least two sets of SPI buses, the data in the flash memories can be read in parallel when being powered on, thereby saving about three-quarters of time for loading codes after being powered on, and because at least two flash memories are provided in the data burning device, the Demura data can be burned in parallel, therefore, the time for burning the Demura data is reduced, the working efficiency and the productivity of a factory line are improved, and the display quality of the LCD is improved.
Referring to fig. 5, fig. 5 is a diagram illustrating another embodiment of a data recording device according to the present application.
Another embodiment of the data burning apparatus in the embodiment of the present application includes:
the data burning apparatus 500 may have a relatively large difference due to different configurations or performances, and may include one or more Central Processing Units (CPUs) 501 (e.g., one or more processors) and a memory 505, where the memory 505 stores one or more applications or data.
The data burning device 500 may also include one or more power supplies 502, one or more wired or wireless network interfaces 503, one or more input/output interfaces 504, and/or one or more operating systems, such as Windows Server, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, etc.
The process executed by the central processing unit 501 in the data burning apparatus 500 in this embodiment is similar to the process described in the embodiment shown in fig. 3, and is not repeated here.
The embodiment of the application has the advantages that the central processing unit 501 can read data in the flash memory through the TCON, the data burning device is provided with at least one TCON, each TCON is connected with at least two sets of SPI buses, then the central processing unit 501 judges whether the flash memory stores data or not, the flash memories are provided with at least two flash memories, if the central processing unit 501 determines that the flash memory does not store data, the central processing unit 501 resets the flash memories, then the calculated Demura data are respectively sub-packaged, and the sub-Demura data after sub-packaging are respectively burned into each flash memory, because the data burning device is provided with at least two TCONs, and each TCON is connected with at least two sets of SPI buses, the data in the flash memories can be read in parallel when being powered on, so that three-quarters time for loading codes after being powered on is saved, in addition, because the data burning device is provided with at least two flash memories, the dem, therefore, the time for burning the Demura data is reduced, the working efficiency and the productivity of a factory line are improved, and the display quality of the LCD is improved.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Although the application has been shown and described with respect to one or more implementations, equivalent alterations and modifications will occur to others skilled in the art based upon a reading and understanding of this specification and the annexed drawings. This application is intended to embrace all such modifications and variations and is limited only by the scope of the appended claims. In particular regard to the various functions performed by the above described components, the terms used to describe such components are intended to correspond, unless otherwise indicated, to any component which performs the specified function of the described component (e.g., that is functionally equivalent), even though not structurally equivalent to the disclosed structure which performs the function in the herein illustrated exemplary implementations of the specification.
That is, the above description is only an embodiment of the present application, and not intended to limit the scope of the present application, and all equivalent structures or equivalent flow transformations made by using the contents of the specification and the drawings, such as mutual combination of technical features between various embodiments, or direct or indirect application to other related technical fields, are included in the scope of the present application.
Claims (8)
1. A data burning method is used for optically compensating display unevenness of a display panel, and is characterized by comprising the following steps:
the data burning device reads data in the flash memory through a time schedule controller (TCON), the data burning device is provided with at least one TCON, and each TCON is at least connected with two groups of Serial Peripheral Interface (SPI) buses;
the data burning device judges whether the flash memories store data or not, and the number of the flash memories is at least two;
if not, the data burning device resets the flash memory;
the data burning device subpackages the calculated Demura data;
and the data burning device respectively burns the sub-Demura data after sub-packaging into each flash memory.
2. The method as claimed in claim 1, wherein after the data burning apparatus determines whether the flash memory stores the data, before the data burning apparatus packetizes the calculated Demura data, the method further comprises:
and if so, erasing the data of the flash memory by the data burning device.
3. The method of claim 1 or 2, wherein the number of flash memories is 4.
4. The method of claim 3, wherein the packetizing the calculated Demura data by the data burning apparatus further comprises:
the data burning device divides the calculated Demura data into two data packets in the middle, which are large, and two data packets on two sides, which are small.
5. The method according to claim 1 or 2, wherein the packetizing the calculated Demura data by the data burning apparatus further comprises:
and the data burning device divides the calculated Demura data into data packets with the same quantity and size as the flash memory.
6. A data burning device for optically compensating display unevenness of a display panel, comprising:
the reading unit is used for reading data in the flash memory through a time schedule controller (TCON), the data burning device is provided with at least one TCON, and each TCON is at least connected with two groups of Serial Peripheral Interface (SPI) buses;
the judging unit is used for judging whether the flash memories store data or not, and the number of the flash memories is at least two;
the resetting unit is used for resetting the flash memory when the judging unit determines that the data are stored in the flash memory;
the subpackaging unit is used for subpackaging the calculated Demura data;
and the burning unit is used for respectively burning the sub-Demura data after the sub-package into each flash memory.
7. A data burning device, comprising:
the system comprises a processor, a memory, input and output equipment and at least two groups of Serial Peripheral Interface (SPI) buses;
the processor, the memory and the input and output equipment are respectively connected with the SPI bus;
the processor is used for reading data in the flash memory through the time schedule controller TCON, the data burning device is provided with at least one TCON, and each TCON is at least connected with two groups of serial peripheral interface SPI buses; judging whether the flash memories store data or not, wherein the number of the flash memories is at least two; if not, resetting the flash memory; and respectively burning the sub-Demura data after sub-packaging into each flash memory.
8. The data burning device of claim 7, wherein the number of the flash memories is 4.
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| CN112908241A (en) * | 2021-03-01 | 2021-06-04 | 惠科股份有限公司 | Display control method, device and equipment and identification code recognition system |
| CN113849194A (en) * | 2021-08-20 | 2021-12-28 | 荣耀终端有限公司 | Burning method and terminal equipment |
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