CN105825797B - Display screen detection method and device and terminal - Google Patents

Display screen detection method and device and terminal Download PDF

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Publication number
CN105825797B
CN105825797B CN201610201461.4A CN201610201461A CN105825797B CN 105825797 B CN105825797 B CN 105825797B CN 201610201461 A CN201610201461 A CN 201610201461A CN 105825797 B CN105825797 B CN 105825797B
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Prior art keywords
display screen
display area
unit display
unit
icons
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CN105825797A (en
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靳勇
周辉
刘磊
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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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
    • 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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The embodiment of the invention discloses a detection method of a display screen, which comprises the following steps: dividing a display screen into a plurality of unit display areas; recording the lighting time of each unit display area in a preset time period; and detecting the unit display area with color difference in the display screen by comparing the lighting time of each unit display area with a preset time threshold. Correspondingly, the embodiment of the invention also discloses a detection device and a terminal of the display screen. By adopting the invention, the area with chromatic aberration in the display screen can be detected.

Description

Display screen detection method and device and terminal
Technical Field
The invention relates to the technical field of computers, in particular to a display screen detection method, a display screen detection device and a terminal.
Background
An OLED (Organic Light-Emitting Diode) display is a display formed by Organic Light-Emitting materials, wherein the Organic Light-Emitting materials can emit colored Light when being electrified. Since the OLED display has advantages of lightness, thinness, large viewing angle, and low power consumption, it is widely used in terminals such as smart phones.
It should be noted that, since the organic light emitting material in the OLED display panel is self-luminous, the light emitting process is accompanied by the consumption of the organic light emitting material, and the consumption is not recoverable. In the process of displaying a picture, due to complexity of picture composition, it is inevitable that some areas are lit for a relatively long time and some areas are lit for a relatively short time, which causes different consumption of organic light emitting materials in each area, and finally causes display color difference of the display screen along with the lapse of time, that is, pictures with the same brightness cannot be displayed.
Disclosure of Invention
The embodiment of the invention provides a detection method, a detection device and a terminal of a display screen, which can detect an area with chromatic aberration in the display screen.
The first aspect of the embodiments of the present invention provides a method for detecting a display screen, including:
dividing a display screen into a plurality of unit display areas;
recording the lighting time of each unit display area in a preset time period;
and detecting the unit display area with color difference in the display screen by comparing the lighting time of each unit display area with a preset time threshold.
In a first possible implementation manner of the first aspect, the detecting unit display regions with color differences in the display screen by comparing the lighting time of each unit display region with a preset time threshold includes:
and when the lighting time of any one unit display area is greater than a preset time threshold, determining that the unit display area is a unit display area with color difference in the display screen.
With reference to the first aspect or the first possible implementation manner of the first aspect, in a second possible implementation manner, after the detecting a unit display area with a color difference in the display screen by comparing the lighting time of each unit display area with a preset time threshold, the method further includes:
and performing brightness compensation on the unit display area with the color difference.
With reference to the second possible implementation manner of the first aspect, in a third possible implementation manner, the performing brightness compensation on the unit display area with color difference includes:
calculating a time difference value between the lighting time of the unit display area with the color difference and the preset time threshold;
determining a brightness compensation value corresponding to the time difference value, wherein a corresponding relation is pre-established between the time difference value and the brightness compensation value;
and increasing the brightness of the unit display area with the color difference according to the brightness compensation value.
In a fourth possible implementation manner of the first aspect, the dividing the display screen into a plurality of unit display areas includes:
dividing a display screen into a plurality of unit display areas according to a matrix array form; or
The display screen is divided into a plurality of unit display areas according to a function area, wherein the function area comprises a status bar, a main display area and a virtual key bar.
A second aspect of an embodiment of the present invention provides a detection apparatus for a display screen, including:
the area dividing module is used for dividing the display screen into a plurality of unit display areas;
the time recording module is used for recording the lighting time of each unit display area in a preset time period;
and the color difference detection module is used for comparing the lighting time of each unit display area with a preset time threshold value to detect the unit display area with color difference in the display screen.
In a first possible implementation manner of the second aspect, the color difference detection module is specifically configured to determine that any one of the unit display areas is a unit display area with color difference in the display screen when the lighting time of the unit display area is greater than a preset time threshold.
With reference to the second aspect or the first possible implementation manner of the second aspect, in a second possible implementation manner, the apparatus further includes:
and the brightness compensation module is used for performing brightness compensation on the unit display area with the color difference.
With reference to the second possible implementation manner of the second aspect, in a third possible implementation manner, the brightness compensation module includes:
a difference value calculating unit for calculating a time difference value between the lighting time of the unit display area with the color difference and the preset time threshold;
a compensation value determining unit, configured to determine a brightness compensation value corresponding to the time difference, where a corresponding relationship is pre-established between the time difference and the brightness compensation value;
and a brightness increasing unit for increasing the brightness of the unit display area having the color difference according to the brightness compensation value.
In a fourth possible implementation manner of the second aspect, the region dividing module is specifically configured to:
dividing a display screen into a plurality of unit display areas according to a matrix array form; or
The display screen is divided into a plurality of unit display areas according to a function area, wherein the function area comprises a status bar, a main display area and a virtual key bar.
A third aspect of an embodiment of the present invention provides a terminal, including a display unit, a memory, and a processor, where the memory stores a set of programs, and the processor is configured to call the programs stored in the memory, and perform the following operations:
dividing a display screen into a plurality of unit display areas;
recording the lighting time of each unit display area in a preset time period;
and comparing the lighting time of each unit display area with a preset time threshold value to determine the unit display area with color difference in the display screen.
As can be seen from the above, in the embodiment of the present invention, the display screen is divided into a plurality of unit display areas, then the lighting time of each unit display area in the preset time period is recorded, and then the lighting time of each unit display area is compared with the preset time threshold value, so as to determine the unit display area with chromatic aberration, thereby detecting the area with chromatic aberration in the display screen.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed for describing the embodiments or prior art will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic flowchart of a method for detecting a display screen according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating another method for detecting a display screen according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a detection apparatus for a display screen according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a luminance compensation module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a display screen partitioning provided by an embodiment of the present invention;
fig. 7 is a schematic diagram of another display screen division provided by the embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The color difference detection method provided by the embodiment of the invention is applied to a terminal, and the terminal comprises electronic equipment such as a smart phone, a tablet personal computer, intelligent wearable equipment, a digital audio and video player, an electronic reader, a handheld game machine and vehicle-mounted electronic equipment. In the embodiment of the invention, the display screen configured at the terminal is an OLED display screen, and the OLED display screen is a display screen formed by organic light-emitting materials, wherein the organic light-emitting materials can emit colored light when electrified.
Fig. 1 is a schematic flowchart of a display screen detection method according to an embodiment of the present invention. As shown in the figure, the flow of the display screen detection method in this embodiment may include:
s101, dividing a display screen into a plurality of unit display areas.
Specifically, the terminal divides a display area of a display screen into a plurality of unit display areas. Optionally, the manner of dividing the unit display area by the terminal may be any one of the following manners:
① the display screen is divided into a plurality of unit display areas in matrix array form, wherein, the number of rows and columns of the matrix array can be preset and is not limited in detail, for example, referring to fig. 6, the terminal can divide the display screen into 36 unit display areas in matrix array form of 6X 6.
②, the display screen is divided into a plurality of unit display areas according to the function area, wherein the function area includes a status bar for displaying status icons (such as operator icons, signal icons, power icons, etc.), a main display area for displaying virtual key icons (such as menu key icons, home key icons, return key icons, etc.), and a virtual key bar, wherein the main display area is a display area other than the status bar and the virtual key bar, for example, referring to fig. 7, the terminal can divide the display screen into 3 unit display areas as shown, area 1 is the status bar, area 2 is the main display area, and area 3 is the virtual key bar.
Of course, the two division manners are only examples provided by the embodiments of the present invention, and it should be understood that the embodiments of the present invention should not be limited to the examples.
And S102, recording the lighting time of each unit display area in a preset time period.
As an alternative embodiment, a timer is provided for each unit display area, and is used for recording the lighting time of each unit display area.
The preset time period may be preset by an equipment manufacturer, or may be preset by a user, and is not limited herein, and preferably, the preset time period is from a time of first lighting to a current time. Specifically, the terminal records the accumulated lighting time from the first lighting time to the current lighting time of each unit display area. For example: the display screen of the terminal is lighted for the first time after leaving the factory, and the terminal records the lighting time accumulated in each unit display area in the display screen during the period when the terminal is purchased and used by a user.
S103, comparing the lighting time of each unit display area with a preset time threshold value, and detecting the unit display area with color difference in the display screen.
The preset time threshold is preset by an equipment manufacturer, the equipment manufacturer continuously lights the same type of display screen to continuously consume the organic light-emitting material of the display screen, and when the continuously lighted display screen has color difference which can be recognized by human eyes relative to a new display screen, the time is used as the preset time threshold.
Specifically, when the terminal judges that the lighting time of any one unit display area is greater than a preset time threshold, the terminal determines that the unit display area is a unit display area with color difference in the display screen. For example: referring to fig. 6, assuming that the preset time threshold is 4800 hours and the cumulative lighting time of the 22 th unit display area in the display screen is 4852 hours, the terminal determines the 22 th unit display area as a unit display area with color difference. For another example: referring to fig. 7, assuming that the preset time threshold is 5200 hours and the cumulative lighting time of the 2 nd unit display area in the display screen is 5268 hours, the terminal determines the 2 nd unit display area as a unit display area with color difference.
Further, after detecting a unit display area having a color difference in the display screen, the terminal performs brightness compensation on the unit display area having the color difference.
Specifically, the method for the terminal to perform brightness compensation on the unit display area with chromatic aberration can be implemented by the following steps:
step 1, calculating the time difference value between the lighting time of the unit display area with the color difference and a preset time threshold.
For example: referring to fig. 6, assuming that the 22 th unit display area in the display screen is an area with color difference, the preset time threshold is 4800 hours, and the cumulative lighting time of the 22 th unit display area is 4852 hours, the time difference calculated by the terminal is 52 (4852 and 4800) hours.
And step 2, determining a brightness compensation value corresponding to the time difference value, wherein a corresponding relation is pre-established between the time difference value and the brightness compensation value.
For example: assuming that the maximum brightness level of the display screen corresponds to a brightness of X, the following correspondence may be established: the time difference is 0-100 hours, and the corresponding brightness compensation value is X/100; the time difference is 100-200 hours, and the corresponding brightness compensation value is X/100X 2; the time difference is 200-250 hours, and the corresponding brightness compensation value is X/100X 3, and the like.
And 3, increasing the brightness of the unit display area with the color difference according to the brightness compensation value.
For example: referring to fig. 6, assuming that the brightness corresponding to the maximum brightness level of the display screen is X, the 22 nd unit display area in the display screen is an area with color difference, the time difference is 52 hours, and the corresponding brightness compensation value is X/100, then the terminal increases the brightness of the 22 nd unit display area by X/100.
It should be noted that, after the brightness of the unit display area where the color difference exists is increased, it should be satisfied that the brightness of the unit display area is restored to the normal brightness, or the difference between the restored brightness and the normal brightness is not distinguishable by naked eyes.
Specifically, the way in which the terminal increases the luminance of the unit display region in which the color difference exists may be realized by increasing the driving current or driving voltage of the region.
In the embodiment of the invention, the display screen is divided into a plurality of unit display areas, then the lighting time of each unit display area in a preset time period is recorded, and then the unit display area with chromatic aberration is determined by comparing the lighting time of each unit display area with a preset time threshold value, so that the area with chromatic aberration in the display screen is detected.
Fig. 2 is a schematic flow chart of another display screen detection method according to an embodiment of the present invention. As shown in the figure, the flow of the display screen detection method in this embodiment may include:
s201, dividing a display screen into a plurality of unit display areas.
Specifically, the terminal divides a display area of a display screen into a plurality of unit display areas. Optionally, the manner of dividing the unit display area by the terminal may be any one of the following manners:
① the display screen is divided into a plurality of unit display areas in matrix array form, wherein, the number of rows and columns of the matrix array can be preset and is not limited in detail, for example, referring to fig. 6, the terminal can divide the display screen into 36 unit display areas in matrix array form of 6X 6.
②, the display screen is divided into a plurality of unit display areas according to the function area, wherein the function area includes a status bar for displaying status icons (such as operator icons, signal icons, power icons, etc.), a main display area for displaying virtual key icons (such as menu key icons, home key icons, return key icons, etc.), and a virtual key bar, wherein the main display area is a display area other than the status bar and the virtual key bar, for example, referring to fig. 7, the terminal can divide the display screen into 3 unit display areas as shown, area 1 is the status bar, area 2 is the main display area, and area 3 is the virtual key bar.
Of course, the two division manners are only examples provided by the embodiments of the present invention, and it should be understood that the embodiments of the present invention should not be limited to the examples.
And S202, recording the lighting time of each unit display area in a preset time period.
As an alternative embodiment, a timer is provided for each unit display area, and is used for recording the lighting time of each unit display area.
The preset time period may be preset by an equipment manufacturer, or may be preset by a user, and is not limited herein, and preferably, the preset time period is from a time of first lighting to a current time. Specifically, the terminal records the accumulated lighting time from the first lighting time to the current lighting time of each unit display area. For example: the display screen of the terminal is lighted for the first time after leaving the factory, and the terminal records the lighting time accumulated in each unit display area in the display screen during the period when the terminal is purchased and used by a user.
And S203, comparing the lighting time of each unit display area with a preset time threshold value, and detecting the unit display area with color difference in the display screen.
The preset time threshold is preset by an equipment manufacturer, the equipment manufacturer continuously lights the same type of display screen to continuously consume the organic light-emitting material of the display screen, and when the continuously lighted display screen has color difference which can be recognized by human eyes relative to a new display screen, the time is used as the preset time threshold.
Specifically, when the terminal judges that the lighting time of any one unit display area is greater than a preset time threshold, the terminal determines that the unit display area is a unit display area with color difference in the display screen. For example: referring to fig. 6, assuming that the preset time threshold is 4800 hours and the cumulative lighting time of the 22 th unit display area in the display screen is 4852 hours, the terminal determines the 22 th unit display area as a unit display area with color difference. For another example: referring to fig. 7, assuming that the preset time threshold is 5200 hours and the cumulative lighting time of the 2 nd unit display area in the display screen is 5268 hours, the terminal determines the 2 nd unit display area as a unit display area with color difference.
And S204, calculating the time difference value between the lighting time of the unit display area with the color difference and the preset time threshold.
For example: referring to fig. 6, assuming that the 22 th unit display area in the display screen is an area with color difference, the preset time threshold is 4800 hours, and the cumulative lighting time of the 22 th unit display area is 4852 hours, the time difference calculated by the terminal is 52 (4852 and 4800) hours.
And S205, determining a brightness compensation value corresponding to the time difference value, wherein a corresponding relationship is pre-established between the time difference value and the brightness compensation value.
For example: assuming that the maximum brightness level of the display screen corresponds to a brightness of X, the following correspondence may be established: the time difference is 0-100 hours, and the corresponding brightness compensation value is X/100; the time difference is 100-200 hours, and the corresponding brightness compensation value is X/100X 2; the time difference is 200-250 hours, and the corresponding brightness compensation value is X/100X 3, and the like.
And S206, increasing the brightness of the unit display area with the color difference according to the brightness compensation value.
For example: referring to fig. 6, assuming that the brightness corresponding to the maximum brightness level of the display screen is X, the 22 nd unit display area in the display screen is an area with color difference, the time difference is 52 hours, and the corresponding brightness compensation value is X/100, then the terminal increases the brightness of the 22 nd unit display area by X/100.
It should be noted that, after the brightness of the unit display area where the color difference exists is increased, it should be satisfied that the brightness of the unit display area is restored to the normal brightness, or the difference between the restored brightness and the normal brightness is not distinguishable by naked eyes.
Specifically, the way in which the terminal increases the luminance of the unit display region in which the color difference exists may be realized by increasing the driving current or driving voltage of the region.
In the embodiment of the invention, the display screen is divided into a plurality of unit display areas, then the lighting time of each unit display area in a preset time period is recorded, and then the unit display area with chromatic aberration is determined by comparing the lighting time of each unit display area with a preset time threshold value, so that the area with chromatic aberration in the display screen is detected.
Fig. 3 is a schematic structural diagram of a detection apparatus for a display screen according to an embodiment of the present invention. As shown in the figure, the detection apparatus of the display screen in the embodiment of the present invention at least includes an area dividing module 310, a time recording module 320, and a color difference detection module 330, where:
the area dividing module 310 is configured to divide the display screen into a plurality of unit display areas.
Optionally, the manner of dividing the unit display area by the area dividing module 310 may be any one of the following manners:
① the display screen is divided into a plurality of unit display areas in matrix array form, wherein the number of rows and columns of the matrix array can be preset and is not limited in detail, for example, referring to fig. 6, the area division module 310 can divide the display screen into 36 unit display areas in matrix array form of 6X 6.
②, the display screen is divided into a plurality of unit display areas according to the function area, wherein the function area includes a status bar for displaying status icons (such as operator icons, signal icons, power icons, etc.), a main display area for displaying virtual key icons (such as menu key icons, home key icons, return key icons, etc.), and a virtual key bar, wherein the main display area is a display area other than the status bar and the virtual key bar, for example, referring to fig. 7, the area division module 310 can divide the display screen into 3 unit display areas as shown, area 1 is the status bar, area 2 is the main display area, and area 3 is the virtual key bar.
Of course, the two division manners are only examples provided by the embodiments of the present invention, and it should be understood that the embodiments of the present invention should not be limited to the examples.
The time recording module 320 is configured to record lighting time of each unit display area within a preset time period.
As an alternative embodiment, a timer is provided for each unit display area, and is used for recording the lighting time of each unit display area.
The preset time period may be preset by an equipment manufacturer, or may be preset by a user, and is not limited herein, and preferably, the preset time period is from a time of first lighting to a current time. Specifically, the time recording module 320 records the lighting time accumulated from the first lighting time to the current lighting time of each unit display area. For example: the display screen of the terminal is first lighted after leaving the factory, and the time recording module 320 records the lighting time accumulated in each unit display area in the display screen when the terminal is purchased and used by a user.
The color difference detection module 330 is configured to detect a unit display area with a color difference in the display screen by comparing the lighting time of each unit display area with a preset time threshold.
The preset time threshold is preset by an equipment manufacturer, the equipment manufacturer continuously lights the same type of display screen to continuously consume the organic light-emitting material of the display screen, and when the continuously lighted display screen has color difference which can be recognized by human eyes relative to a new display screen, the time is used as the preset time threshold.
Specifically, when determining that the lighting time of any one unit display area is greater than the preset time threshold, the color difference detection module 330 determines that the unit display area is a unit display area with color difference in the display screen. For example: referring to fig. 6, assuming that the preset time threshold is 4800 hours and the cumulative lighting time of the 22 th unit display area in the display screen is 4852 hours, the color difference detection module 330 determines that the 22 th unit display area is the unit display area with color difference. For another example: referring to fig. 7, assuming that the preset time threshold is 5200 hours and the cumulative lighting time of the 2 nd unit display area in the display screen is 5268 hours, the color difference detecting module 330 determines that the 2 nd unit display area is a unit display area with color difference.
Optionally, referring to fig. 3, as shown in the figure, the detection apparatus of the display screen in the embodiment of the present invention may further include a brightness compensation module 340, configured to perform brightness compensation on the unit display area with the color difference. In a specific implementation, the luminance compensation module 340 may further include a difference calculation unit 341, a compensation value determination unit 342, and a luminance increase unit 343 as shown in fig. 4, where:
a difference calculating unit 341, configured to calculate a time difference between the lighting time of the unit display area with the color difference and the preset time threshold.
For example: referring to fig. 6, assuming that the 22 th unit display area in the display screen is an area with color difference, the preset time threshold is 4800 hours, and the cumulative lighting time of the 22 th unit display area is 4852 hours, the time difference calculated by the difference calculating unit 341 is 52 (4852-.
The compensation value determining unit 342 is configured to determine an illumination compensation value corresponding to the time difference value, where a corresponding relationship is pre-established between the time difference value and the illumination compensation value.
For example: assuming that the maximum brightness level of the display screen corresponds to a brightness of X, the following correspondence may be established: the time difference is 0-100 hours, and the corresponding brightness compensation value is X/100; the time difference is 100-200 hours, and the corresponding brightness compensation value is X/100X 2; the time difference is 200-250 hours, and the corresponding brightness compensation value is X/100X 3, and the like.
A brightness increasing unit 343 configured to increase the brightness of the unit display area in which the color difference exists, according to the brightness compensation value.
For example: referring to fig. 6, assuming that the luminance corresponding to the maximum luminance level of the display screen is X, the 22 nd unit display area in the display screen is an area having color difference with a time difference of 52 hours, and the corresponding luminance compensation value is X/100, the luminance increasing unit 343 increases the luminance of the 22 nd unit display area by X/100.
It should be noted that, after the brightness of the unit display area where the color difference exists is increased, it should be satisfied that the brightness of the unit display area is restored to the normal brightness, or the difference between the restored brightness and the normal brightness is not distinguishable by naked eyes. Specifically, the manner in which the luminance increasing unit 343 increases the luminance of the unit display region where the color difference exists may be realized by increasing the driving current or driving voltage of the region.
Referring to fig. 5, a schematic structural diagram of a terminal according to an embodiment of the present invention may be used to implement the method for detecting a display screen provided in the embodiments of fig. 1 to fig. 2, where:
the terminal 500 may include components such as a power supply 510, memory 520 for one or more computer-readable storage media, an input unit 530, a display unit 540, and a processor 550. Those skilled in the art will appreciate that the terminal structure shown in fig. 5 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the memory 520 may be used to store software programs and modules, and the processor 550 executes various functional applications and data processing by operating the software programs and modules stored in the memory 550. The memory 520 may mainly include a program storage area and a data storage area. Further, the memory 520 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage device. Accordingly, the memory 520 may also include a memory controller to provide the processor 550 and the input unit 530 access to the memory 520.
The input unit 530 may be used to receive input numeric or character information and generate a keyboard, mouse, joystick, optical or trackball signal input related to user setting and function control. Specifically, the input unit 530 may include a touch screen 531 and other input devices 532. The touch screen 531 may collect touch operations by a user (e.g., operations by a user on or near a touch surface using a finger, a stylus, or any other suitable object or accessory) and drive the corresponding connection device according to a predetermined program. The input unit 530 may include other input devices 532 in addition to the touch screen 531. Additionally, other input devices 532 may include, but are not limited to, one or more of function keys (such as volume control keys, switch keys, etc.), a trackball, a joystick, and the like.
The display unit 540 may be used to display information input by a user or information provided to the user and various graphic user interfaces of the calling device 500 of an application, which may be configured by graphics, text, icons, video, and any combination thereof. The display unit 540 includes a display screen 541, and optionally, the display screen 541 may be an OLED display screen.
The terminal 500 also includes a power supply 510 (e.g., a battery) for powering the various components, which may preferably be logically coupled to the processor 550 via a power management system that may be used to manage charging, discharging, and power consumption. The power supply 550 may also include any component of one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
The processor 550 is a control center of a calling device of an application program, connects various parts of the entire cellular phone using various interfaces and lines, and performs various functions and processes data by operating or executing software programs and/or modules stored in the memory 520 and calling data stored in the memory 520. Optionally, processor 550 may include one or more processing cores; preferably, the processor 550 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles communications. It will be appreciated that the modem processor described above may not be integrated into processor 550.
Further, the processor 550 calls the program code stored in the memory 520 for performing the following operations:
dividing a display screen into a plurality of unit display areas;
recording the lighting time of each unit display area in a preset time period;
and detecting the unit display area with color difference in the display screen by comparing the lighting time of each unit display area with a preset time threshold.
Optionally, the processor 550 compares the lighting time of each unit display area with a preset time threshold, and detects that the unit display area with the color difference in the display screen specifically performs the following operations:
and when the lighting time of any one unit display area is greater than a preset time threshold, determining that the unit display area is a unit display area with color difference in the display screen.
Optionally, the processor 550 compares the lighting time of each unit display area with a preset time threshold, and after detecting the unit display area with the color difference on the display screen, further performs:
and performing brightness compensation on the unit display area with the color difference.
Further, the specific operation of the processor 550 performing brightness compensation on the unit display area with color difference is as follows:
calculating a time difference value between the lighting time of the unit display area with the color difference and the preset time threshold;
determining a brightness compensation value corresponding to the time difference value, wherein a corresponding relation is pre-established between the time difference value and the brightness compensation value;
and increasing the brightness of the unit display area with the color difference according to the brightness compensation value.
Optionally, the specific operation of the processor 550 dividing the display screen into a plurality of unit display areas is:
dividing a display screen into a plurality of unit display areas according to a matrix array form; or
The display screen is divided into a plurality of unit display areas according to a function area, wherein the function area comprises a status bar, a main display area and a virtual key bar.
The embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a program, where the program includes a plurality of instructions for executing some or all of the steps in the method for detecting a display screen described in fig. 1 to 2 according to the embodiment of the present invention.
In the embodiment of the invention, the display screen is divided into a plurality of unit display areas, then the lighting time of each unit display area in a preset time period is recorded, and then the unit display area with chromatic aberration is determined by comparing the lighting time of each unit display area with a preset time threshold value, so that the area with chromatic aberration in the display screen is detected.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments. In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (9)

1. A detection method of a display screen is characterized by comprising the following steps:
dividing a display screen into a plurality of unit display areas according to a function area, wherein the function area comprises a state bar, a main display area and a virtual key bar, the state bar is used for displaying state icons, the state icons comprise operator icons, signal icons and electric quantity icons, the virtual key bar is used for displaying virtual key icons, the virtual key icons comprise menu key icons and return key icons, the main display area is a display area except the state bar and the virtual key bar, and the display screen is an OLED display screen;
recording the lighting time of each unit display area in a preset time period;
and detecting the unit display areas with chromatic aberration in the display screen by comparing the lighting time of each unit display area with a preset time threshold, wherein the preset time threshold is a time period between the continuous lighting of the same kind of display screen by a user and the chromatic aberration which can be recognized by human eyes of the continuously lighted display screen relative to a new display screen.
2. The method as claimed in claim 1, wherein the detecting unit display regions having color differences in the display screen by comparing the lighting time of each of the unit display regions with a preset time threshold comprises:
and when the lighting time of any one unit display area is greater than a preset time threshold, determining that the unit display area is a unit display area with color difference in the display screen.
3. The method as claimed in claim 1 or 2, wherein after detecting the unit display regions having color difference in the display screen by comparing the lighting time of each of the unit display regions with a preset time threshold, further comprising:
and performing brightness compensation on the unit display area with the color difference.
4. The method as claimed in claim 3, wherein the performing of the brightness compensation for the unit display area having the color difference comprises:
calculating a time difference value between the lighting time of the unit display area with the color difference and the preset time threshold;
determining a brightness compensation value corresponding to the time difference value, wherein a corresponding relation is pre-established between the time difference value and the brightness compensation value;
and increasing the brightness of the unit display area with the color difference according to the brightness compensation value.
5. A device for detecting a display screen, the device comprising:
the device comprises an area dividing module, a display screen and a control module, wherein the area dividing module is used for dividing the display screen into a plurality of unit display areas according to a function area, the function area comprises a status bar, a main display area and a virtual key bar, the status bar is used for displaying status icons, the status icons comprise operator icons, signal icons and electric quantity icons, the virtual key bar is used for displaying virtual key icons, the virtual key icons comprise menu key icons and return key icons, the main display area is a display area except the status bar and the virtual key bar, and the display screen is an OLED display screen;
the time recording module is used for recording the lighting time of each unit display area in a preset time period;
and the color difference detection module is used for detecting the unit display areas with color difference in the display screen by comparing the lighting time of each unit display area with a preset time threshold, wherein the preset time threshold is a time period between the time period when a user continuously lights the same type of display screen and the time period when the continuously lighted display screen has the color difference which can be recognized by human eyes relative to a new display screen.
6. The apparatus according to claim 5, wherein the color difference detection module is specifically configured to determine that any one of the unit display areas is a unit display area with color difference on the display screen when the lighting time of the unit display area is greater than a preset time threshold.
7. The apparatus of claim 5 or 6, wherein the apparatus further comprises:
and the brightness compensation module is used for performing brightness compensation on the unit display area with the color difference.
8. The apparatus of claim 7, wherein the brightness compensation module comprises:
a difference value calculating unit for calculating a time difference value between the lighting time of the unit display area with the color difference and the preset time threshold;
a compensation value determining unit, configured to determine a brightness compensation value corresponding to the time difference, where a corresponding relationship is pre-established between the time difference and the brightness compensation value;
and a brightness increasing unit for increasing the brightness of the unit display area having the color difference according to the brightness compensation value.
9. A terminal, comprising a display unit, a memory and a processor, wherein the memory stores a set of programs and the processor is configured to call the programs stored in the memory, and perform the following operations:
dividing a display screen into a plurality of unit display areas according to a function area, wherein the function area comprises a state bar, a main display area and a virtual key bar, the state bar is used for displaying state icons, the state icons comprise operator icons, signal icons and electric quantity icons, the virtual key bar is used for displaying virtual key icons, the virtual key icons comprise menu key icons and return key icons, the main display area is a display area except the state bar and the virtual key bar, and the display screen is an OLED display screen;
recording the lighting time of each unit display area in a preset time period;
and comparing the lighting time of each unit display area with a preset time threshold value to determine the unit display area with color difference in the display screen.
CN201610201461.4A 2016-03-31 2016-03-31 Display screen detection method and device and terminal Expired - Fee Related CN105825797B (en)

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