CN113870746A - Display testing method, display, terminal equipment and storage medium - Google Patents
Display testing method, display, terminal equipment and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 claims abstract description 24
- 238000004590 computer program Methods 0.000 claims description 10
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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
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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Abstract
The invention discloses a display testing method, a display, a terminal device and a storage medium, wherein the method comprises the following steps: setting the Gamma curve as a native option, and acquiring an outgoing contrast value of the display based on the native option; adjusting the backlight brightness of the display to reach the maximum value; when the backlight brightness reaches the maximum value, acquiring a first brightness value of the display; on the basis of the outgoing contrast value, reducing the contrast value and acquiring a second brightness value of the display; on the basis of the outgoing contrast value, increasing the contrast value and acquiring a third brightness value of the display; and judging whether the factory contrast value is correctly set or not based on the first brightness value, the second brightness value and the third brightness value. By the scheme of the invention, the accuracy of the factory signal brightness value and the factory contrast value of the display is improved, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display testing method, a display, terminal equipment and a storage medium.
Background
The display manufacturer tests the brightness and contrast of the display before the display leaves the factory, so as to ensure the display effect of the display. In the prior art, human eyes are mainly adopted to test the brightness and contrast of the display in cooperation with specific pictures, so that the subjective factor is strong in the test process, deviation is easy to occur, and the user experience of the display after leaving a factory is poor.
Disclosure of Invention
In view of this, the invention provides a test method for a display, a terminal device and a storage medium, where the test method can directly read a tested brightness value and a tested contrast value, so as to more objectively evaluate the display effect of the display, improve the accuracy of the factory brightness and factory contrast of the display, and improve user experience.
Based on the above purpose, an aspect of the embodiments of the present invention provides a method for testing a display, which specifically includes the following steps:
setting a Gamma curve as a native option, and acquiring an outgoing contrast value of the display based on the native option;
adjusting the backlight brightness of the display to enable the backlight brightness to reach the maximum value;
when the backlight brightness reaches the maximum value, acquiring a first brightness value of the display;
on the basis of the factory contrast value, reducing the contrast value and acquiring the second brightness value of the display;
on the basis of the factory contrast value, increasing the contrast value to obtain the third brightness value of the display;
and judging whether the factory contrast value is set correctly or not based on the first brightness value, the second brightness value and the third brightness value.
In some embodiments, obtaining a luminance value for the display comprises:
and acquiring the brightness value of the central point of the display.
In some embodiments, the determining whether the factory contrast value is correctly set based on the first brightness value, the second brightness value, and the third brightness value includes:
and if the second brightness value is smaller than the first brightness value and the third brightness value is larger than the first brightness value, determining that the factory contrast setting is correct.
In some embodiments, the method further comprises:
acquiring a factory signal brightness value of a display;
adjusting the gray scale of the display to enable the gray scale to be zero, and acquiring a fourth brightness value of the display when the gray scale is zero;
on the basis of the factory signal brightness value, reducing the factory signal brightness value of the display to obtain a fifth brightness value of the center point of the display;
on the basis of the factory signal brightness value, increasing the factory signal brightness value of a display to obtain a sixth brightness value of the center point of the display;
and judging whether the factory signal brightness value is set correctly or not based on the fourth brightness value, the fifth brightness value and the sixth brightness value.
In some embodiments, the determining whether the factory signal brightness value is correctly set based on the fourth brightness value, the fifth brightness value, and the sixth brightness value includes:
and if the fifth brightness value is equal to the fourth brightness value and the sixth brightness value is greater than the fourth brightness value, the factory signal brightness value is set correctly.
In another aspect of the embodiments of the present invention, there is also provided a display, including:
the contrast acquisition module is configured to set the Gamma curve as a native option and acquire an outgoing contrast value of the display based on the native option;
the brightness adjusting module is configured to adjust the backlight brightness of the display to enable the backlight brightness to reach the maximum value;
the brightness acquisition module is configured to acquire a first brightness value of the display when the backlight brightness reaches a maximum value;
the contrast adjusting module is configured to reduce the contrast value on the basis of the factory contrast value, and acquire the second brightness value of the display;
the contrast adjusting module is further configured to increase a contrast value on the basis of the factory contrast value to obtain the third brightness value of the display;
and the judging module is configured to judge whether the factory contrast value is set correctly or not based on the first brightness value, the second brightness value and the third brightness value.
In some embodiments, the display further comprises:
the factory brightness acquisition module is configured to acquire a factory signal brightness value of the display;
the gray scale adjusting module is configured to adjust the gray scale of the display to enable the gray scale to be zero, and obtain a fourth brightness value of the display when the gray scale is zero;
the factory brightness adjusting module is configured to reduce the factory signal brightness value of the display on the basis of the factory signal brightness value to obtain a fifth brightness value of the center point of the display;
the factory brightness adjusting module is further configured to increase the factory signal brightness value of the display on the basis of the factory signal brightness value to obtain a sixth brightness value of the center point of the display;
the judging module is further configured to judge whether the factory signal brightness value is set correctly based on the fourth brightness value, the fifth brightness value and the sixth brightness value.
In some embodiments, the determining module further includes a determining sub-module configured to determine that the factory contrast setting is correct if the second brightness value is smaller than the first brightness value and the third brightness value is greater than the first brightness value.
In another aspect of the embodiments of the present invention, there is also provided a terminal device, including: a display as described above; at least one processor; and a memory storing a computer program executable on the processor, the computer program when executed by the processor implementing the steps of the method as above.
In a further aspect of the embodiments of the present invention, a computer-readable storage medium is also provided, in which a computer program for implementing the above method steps is stored when the computer program is executed by a processor.
The invention has the following beneficial technical effects: according to the scheme of the invention, the tested brightness value and the tested contrast value can be directly read, the display effect of the display can be objectively evaluated, the accuracy of the factory signal brightness value and the factory contrast value of the display is improved, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 is a block diagram of a method for testing a display according to the present invention;
FIG. 2 is a schematic structural diagram of a display according to the present invention;
fig. 3 is a schematic structural diagram of a terminal device provided in the present invention;
fig. 4 is a schematic structural diagram of a computer-readable storage medium provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
In view of the above objects, a first aspect of embodiments of the present invention provides an embodiment of a method for testing a display. As shown in fig. 1, it includes the following steps:
s101, setting a Gamma curve as a native option, and acquiring a delivery contrast value of the display based on the native option;
s103, adjusting the backlight brightness of the display to enable the backlight brightness to reach the maximum value;
s105, when the backlight brightness reaches the maximum value, acquiring a first brightness value of the display;
s107, on the basis of the factory contrast value, reducing the contrast value and acquiring the second brightness value of the display;
s109, on the basis of the factory contrast value, increasing a contrast value to obtain a third brightness value of the display;
and S111, judging whether the factory contrast value is set correctly or not based on the first brightness value, the second brightness value and the third brightness value.
Specifically, in order to test whether the factory contrast value of the display is correctly set, firstly, the Gamma curve is set as a native option, so that the display is tested under the original display effect; after the Gamma curve is set as a native option, adjusting the backlight brightness of the display to enable the backlight brightness to reach the maximum value, and displaying a pure white picture by the display at the moment; acquiring a first brightness value of a center point of the display by utilizing a brightness acquisition device, such as a brightness sensor; on the basis of the outgoing contrast value, reducing the contrast value and acquiring a second brightness value of the center point of the display; on the basis of the outgoing contrast value, increasing the contrast value and acquiring a third brightness value of the center point of the display; and judging whether the factory contrast value is correctly set or not based on the first brightness value, the second brightness value and the third brightness value, and if the factory contrast value is incorrect, resetting the factory contrast value of the display.
According to the embodiment of the invention, the tested brightness value and the tested contrast value can be directly read, the display effect of the display can be objectively evaluated, the accuracy of the factory signal brightness value and the factory contrast value of the display is improved, and the user experience is improved.
In some embodiments, obtaining a luminance value for the display comprises:
and acquiring the brightness value of the central point of the display.
In some embodiments, the determining whether the factory contrast value is correctly set based on the first brightness value, the second brightness value, and the third brightness value includes:
and if the second brightness value is smaller than the first brightness value and the third brightness value is larger than the first brightness value, determining that the factory contrast setting is correct.
Specifically, if the second brightness value is smaller than the first brightness value and the third brightness value is larger than the first brightness value, it is determined that the factory-leaving contrast setting is correct, otherwise, it is determined that the factory-leaving contrast setting is incorrect.
In some embodiments, the method further comprises:
acquiring a factory signal brightness value of a display;
adjusting the gray scale of the display to enable the gray scale to be zero, and acquiring a fourth brightness value of the display when the gray scale is zero;
on the basis of the factory signal brightness value, reducing the factory signal brightness value of the display to obtain a fifth brightness value of the center point of the display;
on the basis of the factory signal brightness value, increasing the factory signal brightness value of a display to obtain a sixth brightness value of the center point of the display;
and judging whether the factory signal brightness value is set correctly or not based on the fourth brightness value, the fifth brightness value and the sixth brightness value.
Specifically, acquiring a factory signal brightness value of the display; adjusting the gray scale of the display to enable the gray scale to be zero, displaying a pure black picture by the display at the moment, and acquiring a fourth brightness value of the display when the pure black picture is displayed by the display; adjusting the signal brightness value of the display to obtain a fifth brightness value and a sixth brightness value of the center point of the display; and judging whether the factory signal brightness value is correctly set or not based on the fourth brightness value, the fifth brightness value and the sixth brightness value, and if the factory signal brightness value is not correctly set, resetting the factory signal brightness value of the display.
In some embodiments, the determining whether the factory signal brightness value is correctly set based on the fourth brightness value, the fifth brightness value, and the sixth brightness value includes:
and if the fifth brightness value is equal to the fourth brightness value and the sixth brightness value is greater than the fourth brightness value, the factory signal brightness value is set correctly.
Specifically, if the fifth brightness value is equal to the fourth brightness value and the sixth brightness value is greater than the fourth brightness value, it is determined that the factory signal brightness value setting is correct, otherwise, it is determined that the factory signal brightness value setting is incorrect.
Several embodiments of the present invention are described below with reference to specific examples.
Specifically, in order to test whether the factory contrast value and the factory signal brightness value of the display are correctly set, firstly, the Gamma curve is set as a native option, so that the display is tested under the original display effect; acquiring a factory contrast value and a factory signal brightness value of a display; adjusting the backlight brightness of the display to enable the backlight brightness to reach the maximum value, and displaying a pure white picture by the display at the moment; acquiring a first brightness value of a center point of the display by utilizing a brightness acquisition device, such as a brightness sensor; on the basis of the outgoing contrast value, reducing the contrast value and acquiring a second brightness value of the center point of the display; on the basis of the outgoing contrast value, increasing the contrast value and acquiring a third brightness value of the center point of the display; judging whether the factory contrast value is correctly set or not based on the first brightness value, the second brightness value and the third brightness value, and resetting the factory contrast value of the display if the factory contrast value is incorrect; adjusting the gray scale of the display to enable the gray scale to be zero, displaying a pure black picture by the display at the moment, and acquiring a fourth brightness value of the display when the pure black picture is displayed by the display; adjusting the signal brightness value of the display to obtain a fifth brightness value and a sixth brightness value of the center point of the display; and judging whether the factory signal brightness value is correctly set or not based on the fourth brightness value, the fifth brightness value and the sixth brightness value, and if the factory signal brightness value is not correctly set, resetting the factory signal brightness value of the display.
According to the embodiment of the invention, the tested brightness value and the tested contrast value can be directly read, the display effect of the display can be objectively evaluated, the accuracy of the factory signal brightness value and the factory contrast value of the display is improved, and the user experience is improved.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 2, an embodiment of the present invention further provides a display including:
the contrast acquisition module 110 is configured to set the Gamma curve as a native option, and acquire an outgoing contrast value of the display based on the native option;
a brightness adjusting module 120 configured to adjust the backlight brightness of the display to a maximum value;
a brightness obtaining module 130 configured to obtain a first brightness value of the display when the backlight brightness reaches a maximum value;
a contrast adjusting module 140 configured to reduce the contrast value based on the factory contrast value, and obtain the second brightness value of the display;
the contrast adjusting module 140 is further configured to increase a contrast value on the basis of the factory contrast value, and obtain the third brightness value of the display;
a determining module 150 configured to determine whether the factory contrast value is set correctly based on the first brightness value, the second brightness value, and the third brightness value.
In some embodiments, the display further comprises:
the factory brightness acquisition module is configured to acquire a factory signal brightness value of the display;
the gray scale adjusting module is configured to adjust the gray scale of the display to enable the gray scale to be zero, and obtain a fourth brightness value of the display when the gray scale is zero;
the factory brightness adjusting module is configured to reduce the factory signal brightness value of the display on the basis of the factory signal brightness value to obtain a fifth brightness value of the center point of the display;
the factory brightness adjusting module is further configured to increase the factory signal brightness value of the display on the basis of the factory signal brightness value to obtain a sixth brightness value of the center point of the display;
the judging module is further configured to judge whether the factory signal brightness value is set correctly based on the fourth brightness value, the fifth brightness value and the sixth brightness value.
In some embodiments, the determining module further includes a determining sub-module configured to determine that the factory contrast setting is correct if the second brightness value is smaller than the first brightness value and the third brightness value is greater than the first brightness value.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 3, an embodiment of the present invention further provides a terminal device 20, where the terminal device 20 includes the display 230, the processor 210 and the memory 220 as described above, the memory 220 stores a computer program 221 operable on the processor, and the processor 210 executes the program to perform the steps of the method as described above.
Based on the same inventive concept, according to another aspect of the present invention, as shown in fig. 4, an embodiment of the present invention further provides a computer-readable storage medium 30, the computer-readable storage medium 30 storing a computer program 310 for executing the above method when executed by a processor.
Finally, it should be noted that, as will be understood by those skilled in the art, all or part of the processes of the methods of the above embodiments may be implemented by a computer program, which may be stored in a computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. The storage medium of the program may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like. The embodiments of the computer program may achieve the same or similar effects as any of the above-described method embodiments.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A method for testing a display, comprising:
setting a Gamma curve as a native option, and acquiring an outgoing contrast value of the display based on the native option;
adjusting the backlight brightness of the display to enable the backlight brightness to reach the maximum value;
when the backlight brightness reaches the maximum value, acquiring a first brightness value of the display;
on the basis of the factory contrast value, reducing the contrast value and acquiring the second brightness value of the display;
on the basis of the factory contrast value, increasing the contrast value to obtain the third brightness value of the display;
and judging whether the factory contrast value is set correctly or not based on the first brightness value, the second brightness value and the third brightness value.
2. The method of claim 1, wherein obtaining the brightness value of the display comprises:
and acquiring the brightness value of the central point of the display.
3. The method of claim 1, wherein the determining whether the factory contrast value is set correctly based on the first brightness value, the second brightness value, and the third brightness value comprises:
and if the second brightness value is smaller than the first brightness value and the third brightness value is larger than the first brightness value, determining that the factory contrast setting is correct.
4. The method of claim 1, further comprising:
acquiring a factory signal brightness value of a display;
adjusting the gray scale of the display to enable the gray scale to be zero, and acquiring a fourth brightness value of the display when the gray scale is zero;
on the basis of the factory signal brightness value, reducing the factory signal brightness value of the display to obtain a fifth brightness value of the center point of the display;
on the basis of the factory signal brightness value, increasing the factory signal brightness value of a display to obtain a sixth brightness value of the center point of the display;
and judging whether the factory signal brightness value is set correctly or not based on the fourth brightness value, the fifth brightness value and the sixth brightness value.
5. The method according to claim 4, wherein said determining whether the factory signal brightness value is correctly set based on the fourth brightness value, the fifth brightness value and the sixth brightness value comprises:
and if the fifth brightness value is equal to the fourth brightness value and the sixth brightness value is greater than the fourth brightness value, the factory signal brightness value is set correctly.
6. A display, comprising:
the contrast acquisition module is configured to set the Gamma curve as a native option and acquire an outgoing contrast value of the display based on the native option;
the brightness adjusting module is configured to adjust the backlight brightness of the display to enable the backlight brightness to reach the maximum value;
the brightness acquisition module is configured to acquire a first brightness value of the display when the backlight brightness reaches a maximum value;
the contrast adjusting module is configured to reduce the contrast value on the basis of the factory contrast value, and acquire the second brightness value of the display;
the contrast adjusting module is further configured to increase a contrast value on the basis of the factory contrast value to obtain the third brightness value of the display;
and the judging module is configured to judge whether the factory contrast value is set correctly or not based on the first brightness value, the second brightness value and the third brightness value.
7. The display of claim 6, further comprising:
the factory brightness acquisition module is configured to acquire a factory signal brightness value of the display;
the gray scale adjusting module is configured to adjust the gray scale of the display to enable the gray scale to be zero, and obtain a fourth brightness value of the display when the gray scale is zero;
the factory brightness adjusting module is configured to reduce the factory signal brightness value of the display on the basis of the factory signal brightness value to obtain a fifth brightness value of the center point of the display;
the factory brightness adjusting module is further configured to increase the factory signal brightness value of the display on the basis of the factory signal brightness value to obtain a sixth brightness value of the center point of the display;
the judging module is further configured to judge whether the factory signal brightness value is set correctly based on the fourth brightness value, the fifth brightness value and the sixth brightness value.
8. The display of claim 6, wherein the determining module further comprises a determining sub-module configured to determine that the factory contrast setting is correct if the second brightness value is less than the first brightness value and the third brightness value is greater than the first brightness value.
9. A terminal device, comprising:
the display of any one of claims 6-8;
at least one processor; and
memory storing a computer program operable on the processor, characterized in that the processor executes the program to perform the steps of the method according to any of claims 1-5.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, is adapted to carry out the steps of the method according to any one of claims 1-5.
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Citations (5)
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|---|---|---|---|---|
| EP1347434A1 (en) * | 2002-03-18 | 2003-09-24 | Koninklijke Philips Electronics N.V. | Contrast and brightness control of a display |
| CN2884413Y (en) * | 2006-01-11 | 2007-03-28 | 彩虹集团电子股份有限公司 | Delivery inspection apparatus used for plasma displaying screen |
| CN101295467A (en) * | 2007-04-29 | 2008-10-29 | 瑞昱半导体股份有限公司 | Contrast control device and control method thereof |
| JP2013164600A (en) * | 2013-03-19 | 2013-08-22 | Panasonic Corp | Image display device |
| CN109887449A (en) * | 2019-02-20 | 2019-06-14 | 合肥惠科金扬科技有限公司 | A kind of display and its energy efficiency test method and system |
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2021
- 2021-09-23 CN CN202111117234.0A patent/CN113870746B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1347434A1 (en) * | 2002-03-18 | 2003-09-24 | Koninklijke Philips Electronics N.V. | Contrast and brightness control of a display |
| CN2884413Y (en) * | 2006-01-11 | 2007-03-28 | 彩虹集团电子股份有限公司 | Delivery inspection apparatus used for plasma displaying screen |
| CN101295467A (en) * | 2007-04-29 | 2008-10-29 | 瑞昱半导体股份有限公司 | Contrast control device and control method thereof |
| JP2013164600A (en) * | 2013-03-19 | 2013-08-22 | Panasonic Corp | Image display device |
| CN109887449A (en) * | 2019-02-20 | 2019-06-14 | 合肥惠科金扬科技有限公司 | A kind of display and its energy efficiency test method and system |
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