CN111708777A - Display data access method and device and display device - Google Patents

Display data access method and device and display device Download PDF

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CN111708777A
CN111708777A CN202010515106.0A CN202010515106A CN111708777A CN 111708777 A CN111708777 A CN 111708777A CN 202010515106 A CN202010515106 A CN 202010515106A CN 111708777 A CN111708777 A CN 111708777A
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display data
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display
data
storage
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CN111708777B (en
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朱朝月
杨硕
杨斌
张孟湜
张迪
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Yungu Guan Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
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    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2282—Tablespace storage structures; Management thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/25—Integrating or interfacing systems involving database management systems
    • G06F16/254—Extract, transform and load [ETL] procedures, e.g. ETL data flows in data warehouses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0608—Saving storage space on storage systems
    • G—PHYSICS
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0638—Organizing or formatting or addressing of data
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract

The embodiment of the invention discloses a display data access method, a display data access device and a display device. The method for accessing the display data comprises the following steps: comparing the (n + a) th display data with the nth display data; if the nth + a display data and the nth display data accord with a preset relation, storing the nth display data into a display storage table, adding 1 to the repetition times, comparing the nth +2a display data with the nth + a display data, and if the nth +2a display data and the nth + a display data accord with the preset relation, adding 1 to the repetition times until the nth + ma display data and the n + (m-1) a display data do not accord with the preset relation; and determining a repeated variable Sn according to the repeated times, and storing the repeated variable Sn into the next position of the nth display data storage position in the display storage table. The embodiment of the invention reduces the size of the display memory table, reduces the memory space occupied by the display memory table and reduces the cost of the display device.

Description

Display data access method and device and display device
Technical Field
The embodiment of the invention relates to the technical field of display, in particular to a display data access method, a display data access device and a display device.
Background
With the development of display technology, people have higher and higher requirements on the display effect of display devices. In order to ensure that the display device has a better display effect, display compensation is usually performed on the display device to eliminate the display problems such as display unevenness. However, the conventional compensation data occupies a large storage space, which results in a high cost of the display device.
Disclosure of Invention
The invention provides a display data access method, a display data access device and a display device, which are used for reducing the size of a display memory table, reducing the memory space occupied by the display memory table and reducing the cost of the display device.
In a first aspect, an embodiment of the present invention provides a method for accessing display data, including:
comparing the (n + a) th display data with the nth display data;
if the nth + a display data and the nth display data accord with a preset relation, storing the nth display data into a display storage table, adding 1 to the repetition times, comparing the nth +2a display data with the nth + a display data, and if the nth +2a display data and the nth + a display data accord with the preset relation, adding 1 to the repetition times until the nth + ma display data and the n + (m-1) a display data do not accord with the preset relation;
determining a repeated variable Sn according to the repeated times, and storing the repeated variable Sn in the next position of the nth display data storage position in the display storage table;
the display data and the repeated variable Sn respectively comprise flag bits, the values of the flag bits of the display data and the repeated variable Sn are different, n is a positive integer greater than or equal to 1, m is a positive integer greater than or equal to 2, and a is a positive integer greater than or equal to 1.
Optionally, if the nth + a display data is t (n + a), and the nth display data is t (n), the nth + a display data and the nth display data conform to a preset relationship, including:
t(n+a)-t(n)＝b；
alternatively, t (n + a)/t (n) ═ c;
or, (t (n + a) -d)/t (n) e;
or, (t (n + a) -f)/(t (n) -f) ═ g;
alternatively, t (n + a) ═ t (n)h(ii) a Wherein b is a real number, and c, d, e, f, g, and h are real numbers not equal to 0.
Optionally, the method further includes:
and if the nth + a display data and the nth display data do not accord with the preset relationship, storing the nth display data and the nth + a display data into a display storage table, and continuously comparing the nth +2a display data with the nth + a display data.
Optionally, before comparing the nth + a display data with the nth display data, the method further includes:
and adding the odd display data or the even display data to the set value to ensure that the last digit values of all the display data are the same, and taking the last digit of the display data and the last digit of the repeated variable Sn as the marker bits.
Optionally, the set value comprises a positive one or a negative one.
Optionally, the method further includes:
reading the p-th storage data from the display storage table;
determining the type of the p-th storage data according to the flag bit value of the p-th storage data;
if the pth storage data is a repeated variable Sn, determining the repeated times in according to the repeated variable Sn;
and (3) setting the (p-1) th storage data as the (q) th display data, and calculating (q + a) th display data, … … and (q + in a) th display data according to the repetition number in, the preset relation and the (p-1) th storage data, wherein in is a positive integer greater than or equal to 1, p is a positive integer greater than or equal to 2, and q is a positive integer greater than or equal to 1.
Optionally, if the pth storage data is display data, the pth storage data is directly read.
Optionally, determining the repetition variable Sn according to the repetition number includes:
and setting the data bit of the corresponding number of the repeated variables Sn as 1 according to the repeated times.
In a second aspect, an embodiment of the present invention further provides an apparatus for accessing display data, including:
the comparison module is used for comparing the (n + a) th display data with the nth display data;
the first storage module is used for storing the nth display data into a display storage table if the (n + a) th display data and the nth display data accord with a preset relationship, adding 1 to the repetition times, comparing the (n +2 a) th display data with the (n + a) th display data, and adding 1 to the repetition times if the (n +2 a) th display data and the (n + a) th display data accord with the preset relationship until the (n + ma) th display data and the (n + (m-1) a) th display data do not accord with the preset relationship;
the second storage module is used for determining a repeating variable Sn according to the repeating times and storing the repeating variable Sn into the next position of the nth display data storage position in the display storage table;
the display data and the repeated variable Sn respectively comprise flag bits, the values of the flag bits of the display data and the repeated variable Sn are different, n is a positive integer greater than or equal to 1, m is a positive integer greater than or equal to 2, and a is a positive integer greater than or equal to 1.
In a third aspect, an embodiment of the present invention further provides a display device, including a display panel and the display data access device according to any embodiment of the present invention.
According to the embodiment of the invention, the first display data and the repeated variable in the display data which accord with the preset relationship are stored in the display storage table, so that the size of the display storage table can be reduced, a smaller storage space is occupied, more display data can be stored, and the cost of the display device is reduced. And the flag bits of the display data and the repeated variable have different values, so that when the data in the display storage table is read, the display data and the repeated margin can be well distinguished, the display data which is in accordance with the preset relation with the display data of the previous storage position can be calculated according to the repeated variable, the display data of the previous storage position of the repeated variable in the display storage table and the preset relation, and the display compensation of the display panel can be realized according to the display data.
Drawings
FIG. 1 is a flowchart illustrating a method for accessing display data according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating another method for accessing display data according to the present embodiment;
FIG. 3 is a schematic diagram showing a data storage process;
FIG. 4 is a flowchart illustrating another method for accessing display data according to the present embodiment;
FIG. 5 is a flowchart illustrating another method for accessing display data according to the present embodiment;
FIG. 6 is a schematic diagram showing a reading process of a memory table;
FIG. 7 is a diagram illustrating an apparatus for accessing display data according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a display device provided in this embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The display compensation technique is a process of compensating and correcting luminance unevenness of a display device. The camera shoots the brightness of the panel, in-plane Mura information is obtained, and then a compensation table is obtained through processing and is used for the interpolation calling of the hardware processor. The size of the compensation table is related to the Flash capacity of the display device, which affects the cost of the display device. The larger the compensation table of the display device is, the larger the occupied storage space is, and the higher the cost is. In the prior art, the compensation data of the display device occupies a large storage space, which results in high cost of the display device.
Based on the above problems, the present invention provides the following solutions:
fig. 1 is a flowchart of a method for accessing display data provided in this embodiment, and referring to fig. 1, the method includes:
step 110, comparing the (n + a) th display data with the nth display data.
And 120, if the nth + a display data and the nth display data accord with a preset relationship, storing the nth display data into a display storage table, adding 1 to the repetition number, comparing the nth +2a display data with the nth + a display data, and if the nth +2a display data and the nth + a display data accord with the preset relationship, adding 1 to the repetition number until the nth + ma display data and the nth + (m-1) a display data do not accord with the preset relationship.
And step 130, determining a repeated variable Sn according to the repeated times, and storing the repeated variable Sn in the next position of the nth display data storage position in the display storage table.
The display data and the repeated variable Sn respectively comprise flag bits, the values of the flag bits of the display data and the repeated variable Sn are different, n is a positive integer greater than or equal to 1, m is a positive integer greater than or equal to 2, and a is a positive integer greater than or equal to 1.
Specifically, the display data may be mura compensation data of the display device, or may also be color shift compensation data of the display device, such as a gray scale value, a driving voltage, a current, and the like, and the embodiment is not limited in particular. The display data may be binary data, which may be 8-bit binary data or 16-bit binary data as an example, and the specific bit of the display data is not specifically limited in this embodiment; the display data may also be in the form of decimal data or the like, which may be converted to binary data when stored. The repetition variable Sn is binary data. In addition, the flag bits of the display data and the repetitive variable Sn may be the first bit or the last bit of the display data and the repetitive variable Sn, and it should be noted that the first bit and the last bit of the display data described in the present invention refer to the first bit or the last bit after the display data is converted into binary data. The value of a can be set according to needs, and for example, a can be a positive integer of 1, 2, 3, and the like. The preset relationship may be equal, or the difference is a set value, or the ratio is a set value, etc. The repetition times and the repetition variable are used for recording the number of display data which are in accordance with the preset relationship after the nth display data. By setting the flag bits of the display data and the repeated variable to have different values, the display data and the repeated variable can be well distinguished when the data in the display memory table is read.
In addition, after the repeated variable Sn is stored in the display memory table, the (n + (m +1) a) th display data and the (n + ma) th display data can be continuously compared until all data are stored.
Illustratively, when a is equal to 1 and the preset relationship is equal, first comparing the 2 nd display data with the 1 st display data, when the 2 nd display data is equal to the 1 st display data, storing the 1 st display data into the display storage table, adding 1 to the repetition number, continuing to compare the 3 rd display data with the 2 nd display data, if the 3 rd display data is equal to the 2 nd display data, adding 1 to the repetition number until the x th display data is not equal to the x-1 th display data, determining a repetition variable Sn according to the repetition number, and storing the repetition variable Sn into the next storage position of the 1 st display data in the display storage table. And then continuously comparing the x +1 th display data with the x display data until all the display data are stored.
According to the embodiment, the first display data in the display data which accord with the preset relationship and the repeated variable which represents the repeated times are stored in the display storage table, so that the size of the display storage table can be reduced, less storage space is occupied, more display data can be stored, and the cost of the display device is reduced.
Optionally, if the nth + a display data is t (n + a), and the nth display data is t (n), the nth + a display data and the nth display data conform to a preset relationship, including:
t(n+a)-t(n)＝b；
alternatively, t (n + a)/t (n) ═ c;
or, (t (n + a) -d)/t (n) e;
or, (t (n + a) -f)/(t (n) -f) ═ g;
alternatively, t (n + a) ═ t (n)h(ii) a Wherein b is a real number, and c, d, e, f, g, and h are real numbers not equal to 0.
Where b equals 0 and c equals 1, t (n + a) is t (n). b may also be equal to 1, 2, 3, etc. The specific type of the preset relationship may be determined according to the type of the display panel and the distribution rule of the display data, and the specific data pages of b, c, d, e, f, g, and h may be determined according to the distribution rule of the display data, which is not limited in this embodiment. In addition, when reading the data in the display memory table, the number of repetitions may be determined according to a repetition variable, and display data repeated with previous display data may be calculated according to a preset relationship.
Fig. 2 is a flowchart of another method for accessing display data according to the present embodiment, and referring to fig. 2, the method further includes:
step 140, if the nth + a display data and the nth display data do not accord with the preset relationship, storing the nth display data and the nth + a display data into a display storage table, and continuously comparing the nth +2a display data with the nth + a display data.
For example, when a is equal to 1 and the preset relationship is equal, the 2 nd display data and the 1 st display data are compared first, and when the 2 nd display data and the 1 st display data are not equal, the 1 st display data and the 2 nd display data are both stored in the display storage table. The comparison of the 3 rd and 2 nd display data continues until all data storage is complete.
Fig. 3 is a schematic diagram of a display data storage process, and the storage process of the display data is specifically described below with reference to fig. 3, where the data types of the set variables g0 and g1 are the same as the types of the original compensation data elements, the array T [ ] represents the data stored in the display storage table, and the preset relationships are equal. Referring to fig. 3, the storage process of the display data includes the steps of:
step 101 stores the nth display data t (n) in g0, stores the (n + a) th display data t (n + a) in g1, and initializes the number of repetitions in to 0.
Step 102, compare if g0 and g1 are the same.
And 103, if the two are not the same, sequentially storing g0 and g1 into a T [ ] array, setting n to n + a, and continuing to execute the step 101.
And step 104, if the two are the same, storing the g0 into a T [ ] array, repeating the times in +1, and continuing to execute the step 105, wherein n is equal to n + a.
And 105, storing g1 into g0, and storing the next display data into g 1.
Step 106, compare if g0 and g1 are the same.
If the result is the same as step 107, the process repeats step 105 by the number of times in +1, where n is equal to n + a.
And 108, if the difference is different, determining a repetition variable Sn according to the repetition times in, storing the repetition variable Sn into the next position of the T () array, setting n to n + a, and continuing to execute the step 101.
The steps are sequentially executed until the 1 st display data, the 1+ a display data … … and the 1+ ua display data are completely stored. When a is larger than 1, the 2 nd display data, the 2+ a th display data … …, the 2+ va th display data, the … … a-1 st display data, the a-1+ a th display data … … and the a-1+ wa display data are stored continuously until all the display data are stored. Wherein u, v and w are all positive integers greater than 1.
Fig. 4 is a flowchart of another method for accessing display data according to this embodiment, and referring to fig. 4, optionally, before comparing the nth + a display data with the nth display data, the method further includes:
and 150, adding the odd display data or the even display data with a set numerical value to ensure that the last numerical values of all the display data are the same, and taking the last bit of the display data and the last bit of the repeated variable Sn as marker bits.
Specifically, the odd display data may be changed into even display data, when the display data is converted into binary data, the last bit of all the display data is 0, the last bit of the display data and the last bit of the repeating variable Sn may be used as a flag bit, the last bit is 0 to represent the display data, and the last bit is 1 to represent the repeating variable. Even display data can be changed into odd display data, when the display data are converted into binary data, the last bits of all the display data are 1, the last bits of the display data and the repeated variable Sn can be used as flag bits, the last bit is 1 to represent the display data, and the last bit is 0 to represent the repeated variable.
In addition, the magnitude of the setting value may be set as needed, and an exemplary setting value may be 1, 3, or 5, etc., as long as the change of the display data is smaller than the minimum gray scale change that can be resolved by human eyes after the setting value is added to the display data.
In the embodiment, the odd display data or the even display data is added to the set value, so that the last bits of all the display data are the same, and the last bit of the display data and the last bit of the repeated variable Sn are used as the flag bits.
Optionally, the set value comprises a positive one or a negative one. By the arrangement, on the premise of ensuring that the last bits of all the display data are the same, the adjustment range of the display data is reduced to the maximum extent, and the accuracy of the display data is ensured.
Optionally, determining the repetition variable Sn according to the repetition number includes:
and repeating the data position 1 of the variable Sn with the corresponding number according to the repetition times.
For example, when the number of repetitions is 1, the highest position of the variable Sn may be repeated by 1, when the number of repetitions is 2, the highest position and the second highest position of the variable Sn may be repeated by 1, and so on. For example, when the repetition variable Sn is binary data 8 and the repetition number n is 1, the repetition variable Sn is 10000001, where the first '1' indicates the same offset as the previous offset, and the last '1' is a flag bit.
By setting the data positions 1 with the corresponding number of the repeated variables Sn according to the repeated times, when the display data are read from the display storage table, the number of the display data which are in accordance with the preset relation with the previous display data can be determined only according to the number of the 1 in other data positions except the flag bit in the repeated variables Sn, so that the reading difficulty is reduced.
The storage process of the display data is described above with reference to the accompanying drawings, after all the display data is stored, when the display data needs to be used, the display data needs to be read, fig. 5 shows a reading process of the display data (fig. 5 is a flowchart of another method for accessing the display data provided in this embodiment), and the reading process of the display data is described below with reference to fig. 5.
Referring to fig. 5, the method further includes:
step 160, reading the p-th storage data from the display storage table;
step 170, determining the type of the p-th storage data according to the flag bit value of the p-th storage data;
step 180, if the pth storage data is a repeated variable Sn, determining a repeated number in according to the repeated variable Sn;
and step 190, setting the (p-1) th storage data as the (q) th display data, and calculating (q + a) th display data, … … and (q + in a) th display data according to the repetition number in, the preset relation and the (p-1) th storage data. Wherein. in is a positive integer greater than or equal to 1, p is a positive integer greater than or equal to 2, and q is a positive integer greater than or equal to 1.
Specifically, the repetition number in may be determined according to the number of 1's in the data bits except the flag bit in the repetition variable Sn. In addition, when one or more storage data following the p-th storage data are continuous and are repetitive variables, determining the total repetition times according to the repetitive variables, and calculating the display data which is in accordance with the preset relationship with the q-th display data according to the total repetition times, the q-th display data and the preset relationship.
Optionally, if the pth storage data is display data, the pth storage data is directly read.
After all the display data are read, the display compensation can be performed on the display panel according to each display data.
The following describes a reading process of the stored data in the display memory table with the flag bit value of the display data being 0 and the flag bit value of the repetitive variable Sn being 1, where fig. 6 is a schematic diagram of the reading process of the display memory table, and with reference to fig. 6, the reading process includes:
step 201, reading the pth data t (p) in the display storage table, and setting g0 to t (p).
Step 202, determine whether the last bit of g0 is 0.
If "0" in step 203, t (p) is display data, and the process proceeds to step 201 by storing t () data in g0 as it is, and setting p to p + a.
And step 204, if not 0, T (p) is a repetition variable, and the repetition number in is determined according to the number of 1 in the upper 7 bits of g 0.
In step 205, the in display data is released repeatedly, and p is set to p + a, and step 201 is executed continuously.
Specifically, the in display data are repeatedly released, namely the in display data are calculated according to T (p-1), the repetition times in and a preset relation, and the T (p-1) and the in display data are stored into a T () array. Illustratively, if the preset relationship is that the difference between the next display data and the previous display data is 1, and the repetition number in is 3, the in display data are T (p-1) +1, T (p-1) +1+1, and T (p-1) +1+1+1, respectively.
The data access process of the present invention will be described with reference to specific examples, where table 1 is a set of original display data, table 2 is display data after all the display data become even numbers, and table 3 is stored display data.
TABLE 1
237 234 178 177 177 176 176 176 176
230 178 178 177 176 176 176 176 176
178 177 177 176 176 176 176 176 176
176 177 176 176 176 176 176 176 176
176 176 176 176 176 176 176 176 176
176 176 176 176 176 176 176 176 176
TABLE 2
238 234 178 178 177 176 176 176 176
230 178 178 178 176 176 176 176 176
178 178 178 176 176 176 176 176 176
176 178 176 176 176 176 176 176 176
176 176 176 176 176 176 176 176 176
176 176 176 176 176 176 176 176 176
TABLE 3
Figure BDA0002529782830000121
Figure BDA0002529782830000131
Referring to tables 1 and 2, the display data in table 2 was obtained by adding 1 to all odd numbers in table 1 and changing all odd numbers to even numbers. The last bit of all the display data is 0 and the last bit of the display data is a flag bit. A flag bit of 1 represents a repeated variable, and a flag bit of 0 represents display data. When the data in table 2 is stored, g 0-238, g 1-234, in-0, g 0-1 are not equal, T (1) -238, T (2) -234; then g0 is 234, g1 is 178, in is 0, g0 is not equal to g1, then T (3) is 178; then g0 equals 178, g1 equals 178, g0 equals g1, in equals 1; then g0 ═ 178, g1 ═ 178, g0 equal g1, in ═ 2; then g0 is 178, g1 is 177, g0 is not equal to g1, the repeating variable Sn is 11000001, namely 193, T (4) Sn is 11000001, and the data in table 2 are compared to obtain the display memory table 3, wherein the bold font values represent the repeating variables.
As can be seen from tables 1 to 3, with the method of the present embodiment, 54 bytes of display data can be compressed into 21 bytes, which reduces the size of the display storage table, thereby reducing the required storage space.
It should be noted that tables 1-3 show the display data and the repeated variables in decimal form for ease of reading, and are not intended to limit the present invention. In practical application, the specific data type of the display data can be set according to requirements, and only the display data is converted into binary data when being stored.
Fig. 7 is a schematic diagram of the display data access device provided in this embodiment, and referring to fig. 7, the display data access device includes:
a comparing module 310, configured to compare the (n + a) th display data with the nth display data;
the first storage module 320 is configured to store the nth display data into the display storage table if the (n + a) th display data and the nth display data conform to a preset relationship, add 1 to the repetition number, compare the (n +2 a) th display data with the (n + a) th display data, and add 1 to the repetition number if the (n +2 a) th display data and the (n + a) th display data conform to the preset relationship until the (n + ma) th display data and the (n + (m-1) a) th display data do not conform to the preset relationship;
the second storage module 330 is configured to determine a repetition variable Sn according to the repetition times, and store the repetition variable Sn at a position next to an nth display data storage position in the display storage table;
the display data and the repeated variable Sn respectively comprise flag bits, the values of the flag bits of the display data and the repeated variable Sn are different, n is a positive integer greater than or equal to 1, m is a positive integer greater than or equal to 2, and a is a positive integer greater than or equal to 1.
Optionally, the apparatus further comprises:
the reading module is used for reading the pth storage data from the display storage table;
the type determining module is used for determining the type of the p-th storage data according to the flag bit value of the p-th storage data;
a repetition number determination module, configured to determine a repetition number in according to a repetition variable Sn if the pth storage data is the repetition variable Sn;
and the display data determining module is used for setting the p-1 th storage data as the q-th display data, and calculating q + a-th display data, … … and q + in a-th display data according to the repetition number in, the preset relation and the p-1 th storage data, wherein in is a positive integer greater than or equal to 1, p is a positive integer greater than or equal to 2, and q is a positive integer greater than or equal to 1.
The access device for display data provided by the embodiment and the access method for display data provided by any embodiment of the present invention belong to the same inventive concept, and have corresponding beneficial effects, and detailed technical details in the embodiment are not shown in the access method for display data provided by any embodiment of the present invention.
Referring to fig. 8, a display device 100 includes a display panel 200 and a display data access device 300 according to any embodiment of the present invention.
The access device 300 for displaying data may be a driving chip. The display data access device 300 stores the first display data and the repeated variable in the display data which meet the preset relationship of the set relationship into the display storage table, so that the size of the display storage table can be reduced, a smaller storage space is occupied, more display data can be stored, and the cost of the display device is reduced. The display data accessing device 300 may calculate the display data corresponding to the preset relationship with the display data of the previous storage location according to the repeated variable, the display data of the previous storage location of the repeated variable in the display storage table, and the preset relationship, and implement the display compensation for the display panel 200 according to each display data.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A method for accessing display data, comprising:
comparing the (n + a) th display data with the nth display data;
if the nth + a display data and the nth display data accord with a preset relation, storing the nth display data into a display storage table, adding 1 to the repetition times, comparing the nth +2a display data with the nth + a display data, and if the nth +2a display data and the nth + a display data accord with the preset relation, adding 1 to the repetition times until the nth + ma display data and the n + (m-1) a display data do not accord with the preset relation;
determining a repeated variable Sn according to the repeated times, and storing the repeated variable Sn in the next position of the nth display data storage position in the display storage table;
the display data and the repeated variable Sn respectively comprise flag bits, the values of the flag bits of the display data and the repeated variable Sn are different, n is a positive integer greater than or equal to 1, m is a positive integer greater than or equal to 2, and a is a positive integer greater than or equal to 1.
2. The method of claim 1, wherein if the nth + a display data is t (n + a) and the nth display data is t (n), the n + a display data and the nth display data conform to a predetermined relationship, comprising:
t(n+a)-t(n)＝b；
alternatively, t (n + a)/t (n) ═ c;
or, (t (n + a) -d)/t (n) e;
or, (t (n + a) -f)/(t (n) -f) ═ g;
alternatively, t (n + a) ═ t (n)h(ii) a Wherein b is a real number, and c, d, e, f, g, and h are real numbers not equal to 0.
3. The method of claim 1, further comprising:
and if the nth + a display data and the nth display data do not accord with the preset relationship, storing the nth display data and the nth + a display data into a display storage table, and continuously comparing the nth +2a display data with the nth + a display data.
4. The method of claim 1, further comprising, prior to comparing the n + a display data with the nth display data:
and adding the odd display data or the even display data to the set value to ensure that the last digit values of all the display data are the same, and taking the last digit of the display data and the last digit of the repeated variable Sn as the marker bits.
5. The method of claim 4, wherein:
the set value includes a positive one or a negative one.
6. The method of claim 1, further comprising:
reading the p-th storage data from the display storage table;
determining the type of the p-th storage data according to the flag bit value of the p-th storage data;
if the pth storage data is a repeated variable Sn, determining the repeated times in according to the repeated variable Sn;
and (3) setting the (p-1) th storage data as the (q) th display data, and calculating (q + a) th display data, … … and (q + in a) th display data according to the repetition number in, the preset relation and the (p-1) th storage data, wherein in is a positive integer greater than or equal to 1, p is a positive integer greater than or equal to 2, and q is a positive integer greater than or equal to 1.
7. The method of claim 6, wherein:
and if the p-th storage data is display data, directly reading the p-th storage data.
8. The method of claim 1, wherein determining the repetition variable Sn based on the number of repetitions comprises:
and setting the binary data bit of the corresponding number of the repetition variable Sn as 1 according to the repetition times.
9. An apparatus for accessing display data, comprising:
the comparison module is used for comparing the (n + a) th display data with the nth display data;
the first storage module is used for storing the nth display data into a display storage table if the (n + a) th display data and the nth display data accord with a preset relationship, adding 1 to the repetition times, comparing the (n +2 a) th display data with the (n + a) th display data, and adding 1 to the repetition times if the (n +2 a) th display data and the (n + a) th display data accord with the preset relationship until the (n + ma) th display data and the (n + (m-1) a) th display data do not accord with the preset relationship;
the second storage module is used for determining a repeating variable Sn according to the repeating times and storing the repeating variable Sn into the next position of the nth display data storage position in the display storage table;
the display data and the repeated variable Sn respectively comprise flag bits, the values of the flag bits of the display data and the repeated variable Sn are different, n is a positive integer greater than or equal to 1, m is a positive integer greater than or equal to 2, and a is a positive integer greater than or equal to 1.
10. A display device comprising a display panel and the display data access device according to claim 9.
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