CN109616079B - Screen color temperature adjusting method, storage medium and terminal equipment - Google Patents
Screen color temperature adjusting method, storage medium and terminal equipment Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/022—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using memory planes
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- 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
- G09G5/06—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour palettes, e.g. look-up tables
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Abstract
The invention discloses a screen color temperature adjusting method, a storage medium and a terminal device, wherein the method comprises the following steps: reading a first color coordinate difference value stored by the terminal equipment, and searching the color coordinate difference value in a preset color coordinate difference value list; when the first color coordinate difference value is found, reading a first register setting value corresponding to the first color coordinate difference value; and modifying a second register set value stored in the terminal equipment by adopting the first register set value so as to adjust the screen color temperature of the terminal equipment. According to the invention, the register setting values corresponding to the coordinate difference values of all the colors are configured in advance, and the register setting values stored in the terminal equipment are adjusted according to the register setting values, so that the screen color temperature of the same type of terminal equipment is kept all the time, the problem of inconsistent color temperature of the terminal equipment is solved, and the hardware equipment of the terminal equipment is not changed, so that the production cost of the terminal equipment is reduced.
Description
Technical Field
The invention relates to the technical field of intelligent terminals, in particular to a screen color temperature adjusting method, a storage medium and terminal equipment.
Background
Currently, LCD screens are commonly used in communication mobile devices, and mainly include an LED backlight (hereinafter, referred to as BLU) and a liquid crystal screen (hereinafter, referred to as LCD). The main components of the BLU include an LED, a light guide plate, a diaphragm, and the like. The main components influencing the color temperature of the display screen are LEDs, color temperature deviation exists among the LEDs with the same chromaticity, and the display screen of the same type of terminal equipment generally adopts a plurality of chromaticity bins, so that the color temperature deviation exists among the display screens. At present, in order to solve the problem of the screen color temperature difference of the terminal equipment, the terminal is generally provided with hardware equipment configured by the terminal for adjustment, so that the cost of the hardware equipment is increased, and the production cost of the terminal equipment is increased.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a screen color temperature adjusting method, a storage medium and a terminal device, aiming at the defects of the prior art, so as to solve the problem of high production cost caused by the existing color temperature adjusting method.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a screen color temperature adjustment method, comprising:
reading a first color coordinate difference value stored by the terminal equipment, and searching the color coordinate difference value in a preset color coordinate difference value list;
when the first color coordinate difference value is found, reading a first register setting value corresponding to the first color coordinate difference value;
and modifying a second register set value stored in the terminal equipment by adopting the first register set value so as to adjust the screen color temperature of the terminal equipment.
According to the screen temperature adjusting method, the first color coordinate difference value is stored in an IC register in an OTP (one time programmable) mode when the terminal device leaves a factory, and is a difference value between a white color coordinate displayed on a screen of the terminal device and a color coordinate corresponding to the white color.
The screen temperature adjusting method includes the steps of reading a first color coordinate difference value stored in the terminal device, and searching the first color coordinate difference value in a preset color coordinate difference value list, wherein the steps include:
the method comprises the steps of obtaining OTP data stored in an IC register of terminal equipment, and reading a first color coordinate difference value carried in the OTP data;
and comparing the first color coordinate difference value with a preset color coordinate difference value list one by one to determine whether the color coordinate difference value list contains the first color coordinate difference value.
The screen temperature adjusting method includes the following steps of modifying a second register setting value stored in the terminal device by using the first register setting value to adjust the screen color temperature of the terminal device:
modifying a second register value stored by the terminal equipment by adopting the first register setting value, and acquiring a second color coordinate difference value of the modified terminal equipment;
calculating a difference value between the difference value of the second color coordinate and a preset color coordinate difference value threshold value, and comparing the calculated difference value with a preset threshold value;
and when the difference value is smaller than or equal to the preset threshold value, the screen color temperature adjustment of the terminal equipment is completed.
The screen temperature adjusting method, wherein the modifying a second register setting value stored in the terminal device by using the first register setting value to adjust the screen color temperature of the terminal device further includes:
when the second difference value is larger than the preset threshold value, optimizing the color coordinate difference value list according to the second color coordinate difference value;
and adjusting the screen color temperature of the terminal equipment by adopting the optimized color coordinate difference value list.
The screen temperature adjusting method, wherein, when the second difference value is greater than the preset threshold, optimizing the color coordinate difference value list according to the second color coordinate difference value specifically includes:
when the difference value is larger than a preset threshold value, determining an adjustment value of the setting value of the first register according to the difference value;
and adjusting the set value of the first register by adopting the adjusting value so as to optimize the color coordinate difference value list.
The screen temperature adjusting method, wherein when the difference is greater than a preset threshold, determining the adjustment value of the first register setting value according to the difference specifically includes:
when the difference value is larger than a preset threshold value, acquiring the positive and negative of each difference value component;
and adjusting the component value of the first register setting value corresponding to each difference component according to the absolute value of each difference component and the positive and negative values of each difference component.
A computer readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps in the screen temperature adjustment method as recited in any one of the above.
A terminal device, comprising: the device comprises a processor, a memory and a communication bus, wherein the memory is stored with a computer readable program which can be executed by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the screen temperature adjustment method as described in any one of the above.
Has the advantages that: compared with the prior art, the invention provides a screen color temperature adjusting method, a storage medium and terminal equipment, wherein the method comprises the following steps: reading a first color coordinate difference value stored by the terminal equipment, and searching the color coordinate difference value in a preset color coordinate difference value list; when the first color coordinate difference value is found, reading a first register setting value corresponding to the first color coordinate difference value; and modifying a second register set value stored in the terminal equipment by adopting the first register set value so as to adjust the screen color temperature of the terminal equipment. According to the invention, the register setting values corresponding to the coordinate difference values of all the colors are configured in advance, and the register setting values stored in the terminal equipment are adjusted according to the register setting values, so that the screen color temperature of the same type of terminal equipment is kept all the time, the problem of inconsistent color temperature of the terminal equipment is solved, and the hardware equipment of the terminal equipment is not changed, so that the production cost of the terminal equipment is reduced.
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Fig. 1 is a flowchart of an embodiment of a screen color temperature adjusting method provided by the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of a terminal device provided in the present invention.
Detailed Description
The invention provides a screen color temperature adjusting method, a storage medium and a terminal device, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
The embodiment provides a screen color temperature adjusting method, as shown in fig. 1, the method includes:
s10, reading a first color coordinate difference value stored by the terminal device, and searching the color coordinate difference value in a preset color coordinate difference value list.
Specifically, the first color coordinate difference value is a color coordinate difference value stored by the terminal device itself and existing in the terminal device itself. Each color can be represented by a color coordinate, wherein the color coordinate is a two-dimensional coordinate point, and the two coordinates are independent of each other. For example, the standard red color coordinates are (0.67, 0.33), the standard green color coordinates are (0.21, 0.71), the standard blue color coordinates are (0.14, 0.08), and the standard white color coordinates are (0.33 ) defined by ntsc (national television systems committee). And the color coordinate difference value is a coordinate value formed by the difference value of each component in the white color coordinate displayed on the screen under the white screen and the standard white color coordinate.
Further, the first color coordinate difference value of the terminal device is obtained when the LCD module is optically measured when the LCD module leaves the factory. When the terminal device uses the LCD module, the first color coordinate difference value of the LCD module can be burned in the IC register in the OTP manner, so that the terminal device can obtain the first color coordinate difference value by reading the IC register configured by the terminal device. Correspondingly, the reading of the first color coordinate difference value stored in the terminal device itself, and the searching of the first color coordinate difference value in the preset color coordinate difference value list specifically includes:
the method comprises the steps of obtaining OTP data stored in an IC register of terminal equipment, and reading a first color coordinate difference value carried in the OTP data;
and comparing the first color coordinate difference value with a preset color coordinate difference value list one by one to determine whether the color coordinate difference value list contains the first color coordinate difference value.
Specifically, the OTP (one Time programmable) is a type of memory of the single chip, the OTP data is one-Time programmable, and the OTP data cannot be modified or cleared after the single chip is burned, so that the security and the accuracy of the difference value of the first color coordinate can be improved. That is to say, the first color coordinate difference value is a difference value between a white color coordinate displayed on a screen of the terminal device and a color coordinate corresponding to the white color, and the first color coordinate difference value is stored in an IC register in an OTP manner when the terminal device leaves a factory.
Further, the preset color coordinate difference value list is a list which is stored in the terminal device in advance, or the terminal device is connected with a motion or background server through a network to obtain and store the corresponding relation between the color coordinate difference value and the register setting value. In this embodiment, as shown in table 1, in the preset color coordinate difference value list, each color coordinate difference value corresponds to a set of register setting values.
Table 1 preset color coordinate difference value list
Wherein, Wx and Wy represent the color coordinate difference value medium component, and the color coordinate difference value can be represented as (Wx, Wy).
And S20, when the first color coordinate difference value is found, reading a first register setting value corresponding to the first color coordinate difference value.
Specifically, the found first color coordinate difference value indicates that the first color coordinate difference value exists in the preset color coordinate difference values, and at this time, a first register setting value corresponding to the first color coordinate difference value is read. And searching the first color coordinate difference value for finding the color coordinate difference value with both Wx and Wy equal to the first color coordinate difference value. In addition, when the first color coordinate difference value is not found, whether the preset color coordinate difference value list is queried or not is detected, and if the query is not completed, the query is carried out; and if the query is finished, prompting that the display screen of the terminal equipment is abnormal. Certainly, when the first color coordinate difference value is not found in the preset color coordinate difference value list, the first register setting value corresponding to the first color coordinate difference value may be found through the cloud, and the corresponding relationship between the found first color coordinate difference value and the first register setting value is updated to the preset color coordinate difference value list, so as to update the color coordinate difference value list, and the updated color coordinate difference value list is synchronized to the background server or the cloud, so that other terminal devices update their own stored color coordinate difference value list.
And S30, modifying a second register setting value stored in the terminal equipment by adopting the first register setting value so as to adjust the screen color temperature of the terminal equipment.
Specifically, the second register setting value is pre-stored, and updating the second register setting value with the first register setting value is to update the second register setting value with the first register setting value. In addition, after the setting of the second register is updated, the screen of the terminal device can be controlled to display a white picture, a second color coordinate difference value of the terminal device is obtained, and whether the terminal device meets the correction requirement or not is judged according to the second color coordinate difference value. Correspondingly, the modifying the second register setting value stored in the terminal device by using the first register setting value to adjust the screen color temperature of the terminal device specifically includes:
modifying a second register value stored by the terminal equipment by adopting the first register setting value, and acquiring a second color coordinate difference value of the modified terminal equipment;
calculating a difference value between the difference value of the second color coordinate and a preset color coordinate difference value threshold value, and comparing the difference value with a preset threshold value;
and when the difference value is smaller than or equal to the preset threshold value, the screen color temperature adjustment of the terminal equipment is completed.
Specifically, the color coordinate difference threshold is preset and is used for judging whether the corrected second color coordinate difference value meets a preset condition. Here, the preset color coordinate difference value is denoted as (TWx, TWy), and the modified second color coordinate difference value is denoted as (Wx, Wy). And the difference values of the calculated second color coordinate difference value and the preset color coordinate difference value threshold are respectively the difference values of Wx and TWx, and Wy and TWy, and the difference values of Wx and TWx and the difference values of Wy and TWy are respectively compared with the preset threshold. Further, the comparing the difference between Wx and TWx and the difference between Wy and TWy with the preset threshold value, respectively, means comparing the absolute value of the difference between Wx and TWx and the absolute value of the difference between Wy and TWy, respectively, with a preset threshold value, the difference being equal to or less than the preset threshold value, and the absolute value of the difference between Wx and TWx and the absolute value of the difference between Wy and TWy are both smaller than the preset threshold value. The preset threshold is preset, for example, the preset threshold is 0.001, and the like.
Further, when the difference value is smaller than or equal to a preset threshold value, the corrected difference value of the second color coordinate meets a preset condition. And when the difference value is larger than the preset threshold value, the modified second color coordinate difference value does not meet the preset condition, at this time, the preset color coordinate difference value list can be updated according to the second color coordinate difference value, and the updated color coordinate difference value is adopted to optimize the white balance of the terminal equipment. Correspondingly, the modifying the second register setting value stored in the terminal device by using the first register setting value to adjust the screen color temperature of the terminal device further includes:
when the difference value is larger than a preset threshold value, optimizing the color coordinate difference value list according to the second color coordinate difference value;
and adjusting the screen color temperature of the terminal equipment by adopting the optimized color coordinate difference value list.
Specifically, the modifying the color coordinate difference value list by using the second color coordinate difference value may be determining an adjustment value of a first register setting value corresponding to a first color coordinate setting according to a difference value corresponding to the second color coordinate difference value, and adjusting the first register setting value in preset color coordinate difference values according to the adjustment value.
Illustratively, when the difference is greater than a preset threshold, optimizing the color coordinate difference value list according to the second color coordinate difference value specifically includes:
when the difference value is larger than a preset threshold value, determining an adjustment value of the setting value of the first register according to the difference value;
and adjusting the set value of the first register by adopting the adjusting value so as to optimize the color coordinate difference value list.
Specifically, the difference being greater than the preset threshold means that there is a greater than preset threshold in the absolute value of the difference between Wx and TWx and the absolute value of the difference between Wy and TWy. For example, the absolute value of the difference between Wx and TWx is greater than a preset threshold, the absolute value of the difference between Wy and TWy is greater than a preset threshold, and the absolute value of the difference between Wx and TWx and the absolute value of the difference between Wy and TWy are both greater than a preset threshold. In addition, when the difference is greater than the preset threshold, an adjustment value of the first register setting value is calculated according to the difference, and since the difference includes two difference components and signs of the two difference components may be opposite, the adjustment value also includes two components and signs of the two components may be different. In this embodiment, determining the adjustment value of the first register according to the difference value determines the component to which the adjustment is made according to the absolute value and sign of each difference component of the difference value.
For example, when the difference is greater than the preset threshold, the determining the adjustment value of the first register setting value according to the difference specifically includes:
when the difference value is larger than a preset threshold value, acquiring the positive and negative of each difference value component;
and adjusting the component value of the first register setting value corresponding to each difference component according to the absolute value of each difference component and the positive and negative values of each difference component.
Specifically, the positive and negative polarities are whether each difference component is a positive value or a negative value, when the difference component is a positive value, the adjustment value component corresponding to the difference component is a positive value, and when the difference component is a negative value, the adjustment value component corresponding to the difference component is a negative value. Further, the adjustment value and the difference value may be in a proportional relationship, for example, the adjustment value and the difference value are in a direct proportion, and the like.
Based on the screen temperature adjusting method, the invention further provides a computer-readable storage medium, which is characterized in that the computer-readable storage medium stores one or more programs, and the one or more programs can be executed by one or more processors to implement the steps in the screen temperature adjusting method according to the above embodiment.
Based on the above screen temperature adjusting method, the present invention further provides a terminal device, as shown in fig. 2, which includes at least one processor (processor) 20; a display screen 21; and a memory (memory) 22, and may further include a communication Interface (Communications Interface) 23 and a bus 24. The processor 20, the display 21, the memory 22 and the communication interface 23 can communicate with each other through the bus 24. The display screen 21 is configured to display a user guidance interface preset in the initial setting mode. The communication interface 23 may transmit information. The processor 20 may call logic instructions in the memory 22 to perform the methods in the embodiments described above.
Furthermore, the logic instructions in the memory 22 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 22, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 20 executes the functional application and data processing, i.e. implements the method in the above-described embodiments, by executing the software program, instructions or modules stored in the memory 22.
The memory 22 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 22 may include a high speed random access memory and may also include a non-volatile memory. For example, a variety of media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, may also be transient storage media.
In addition, the specific processes loaded and executed by the storage medium and the instruction processors in the terminal device are described in detail in the method, and are not stated herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A screen color temperature adjusting method is characterized by comprising the following steps:
reading a first color coordinate difference value stored by a terminal device, and searching the first color coordinate difference value in a preset color coordinate difference value list;
when the first color coordinate difference value is found, reading a first register setting value corresponding to the first color coordinate difference value;
modifying a second register set value stored by the terminal equipment by adopting the first register set value so as to adjust the screen color temperature of the terminal equipment;
when the first color coordinate difference value is not found, a first register setting value corresponding to the first color coordinate difference value is found through a cloud end, the corresponding relation between the found first color coordinate difference value and the first register setting value is updated to the preset color coordinate difference value list, and meanwhile, the updated color coordinate difference value list is synchronized to the cloud end.
2. The screen color temperature adjusting method according to claim 1, wherein the first color coordinate difference value is a difference value between a color coordinate of white displayed on the screen of the terminal device and a color coordinate corresponding to the white, and is stored in an IC register in an OTP manner when the terminal device leaves a factory.
3. The screen color temperature adjusting method of claim 2, wherein the reading of the first color coordinate difference value stored by the terminal device itself and the searching of the first color coordinate difference value in the preset color coordinate difference value list specifically comprises:
the method comprises the steps of obtaining OTP data stored in an IC register of terminal equipment, and reading a first color coordinate difference value carried in the OTP data;
and comparing the first color coordinate difference value with a preset color coordinate difference value list one by one to determine whether the color coordinate difference value list contains the first color coordinate difference value.
4. The screen color temperature adjusting method according to claim 1, wherein the modifying the second register setting value stored in the terminal device by using the first register setting value to adjust the screen color temperature of the terminal device specifically comprises:
modifying a second register value stored by the terminal equipment by adopting the first register setting value, and acquiring a second color coordinate difference value of the modified terminal equipment;
calculating a difference value between the difference value of the second color coordinate and a preset color coordinate difference value threshold value, and comparing the calculated difference value with a preset threshold value;
and when the difference value is smaller than or equal to the preset threshold value, the screen color temperature adjustment of the terminal equipment is completed.
5. The screen color temperature adjustment method of claim 4, wherein the modifying the second register setting value stored by the terminal device with the first register setting value to adjust the screen color temperature of the terminal device further comprises:
when the difference value is larger than the preset threshold value, optimizing the color coordinate difference value list according to the second color coordinate difference value;
and adjusting the screen color temperature of the terminal equipment by adopting the optimized color coordinate difference value list.
6. The screen color temperature adjusting method of claim 5, wherein, when the difference is greater than the preset threshold, optimizing the color coordinate difference value list according to the second color coordinate difference value specifically comprises:
when the difference value is larger than a preset threshold value, determining an adjustment value of the setting value of the first register according to the difference value;
and adjusting the set value of the first register by adopting the adjusting value so as to optimize the color coordinate difference value list.
7. The screen color temperature adjusting method of claim 6, wherein when the difference is greater than a preset threshold, the determining the adjustment value of the first register setting value according to the difference specifically comprises:
when the difference value is larger than a preset threshold value, acquiring the positive and negative of each difference value component;
and adjusting the component value of the first register setting value corresponding to each difference component according to the absolute value of each difference component and the positive and negative values of each difference component.
8. A computer-readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps of the screen color temperature adjusting method according to any one of claims 1 to 7.
9. A terminal device, comprising: a processor, a memory, and a communication bus; the memory has stored thereon a computer readable program executable by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the screen color temperature adjusting method according to any one of claims 1 to 7.
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| CN107068114B (en) * | 2017-04-24 | 2019-04-30 | 北京小米移动软件有限公司 | Screen color method of adjustment, device, equipment and storage medium |
| CN107170424B (en) * | 2017-06-30 | 2020-02-21 | 联想(北京)有限公司 | Display control method, display method and electronic equipment |
| CN107332918A (en) * | 2017-07-07 | 2017-11-07 | 上海斐讯数据通信技术有限公司 | A kind of high in the clouds local file synchronization realizing method and system |
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