CN105954664A

CN105954664A - Method, apparatus, and mobile terminal for determining aging of light-emitting element

Info

Publication number: CN105954664A
Application number: CN201610264856.9A
Authority: CN
Inventors: 靳勇; 周辉; 刘磊
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2016-04-25
Filing date: 2016-04-25
Publication date: 2016-09-21
Anticipated expiration: 2036-04-25
Also published as: CN105954664B

Abstract

According the one embodiment of the invention, a method, an apparatus and a mobile terminal for determining aging of a light-emitting device are provided. The method comprises the following steps: obtaining a brightness value of a light-emitting element included in a display screen of a mobile terminal by a preset light sensor; obtaining the operating state of the mobile terminal and determining whether the operating state of the mobile terminal satisfies a preset temperature detection condition or not; obtaining the temperature value of the light-emitting element included in the display screen by a preset temperature sensor if the temperature detection condition is satisfied; and determining whether the light-emitting element included in the display screen is aged or not according to the acquired brightness value or the temperature value. According to the embodiment of the present invention, it is possible to realize aging detection of a light-emitting element included in a display screen by detecting the brightness and the temperature of the display screen, thereby improving the accuracy of the aging detection and reducing the terminal power consumption.

Description

Aging determination method and device for light-emitting element and mobile terminal

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for determining aging of a light emitting device, and a mobile terminal.

Background

Currently, Organic Light-Emitting diodes (OLEDs) are used as a new application technology for flat panel displays, and have the advantages of self-luminescence, no need of backlight, power saving, large viewing angle, and the like, and are widely used in terminals such as mobile phones, digital video cameras, tablet computers, televisions, and the like.

Since the OLED is self-luminous, the light-emitting process is a process in which the OLED material is continuously consumed. Thus, over time, the OLED material may age, such as its luminosity may gradually decrease, color differences may occur, and the like. In order to ensure the user experience and improve the display uniformity of the OLED, the aged OLED needs to be detected and subjected to aging compensation, and how to accurately determine the aging position needing compensation becomes a key.

Disclosure of Invention

The embodiment of the invention provides a method and a device for determining aging of a light-emitting element and a mobile terminal, which can realize aging detection of the light-emitting element included in a display screen by detecting the brightness and the temperature of the display screen, and improve the accuracy of the aging detection.

The embodiment of the invention discloses an aging determination method of a light-emitting element, which comprises the following steps:

acquiring the brightness value of a light-emitting element included in a display screen of the mobile terminal through a preset optical sensor;

acquiring the running state of the mobile terminal, and judging whether the running state of the mobile terminal meets a preset temperature detection condition or not;

if the temperature detection condition is met, acquiring the temperature value of a light-emitting element included in the display screen through a preset temperature sensor;

and determining whether the light-emitting elements included in the display screen are aged or not according to the acquired brightness value or the acquired temperature value.

Optionally, the obtaining the operation state of the mobile terminal and determining whether the operation state of the mobile terminal meets a preset temperature detection condition includes:

monitoring running programs in the mobile terminal, and counting the number of the running programs;

and when the counted number of the running programs exceeds a preset number threshold, determining that the running state of the mobile terminal meets a preset temperature detection condition.

Optionally, the display screen of the mobile terminal is divided into at least one display area, and each display area is configured with an optical sensor and a temperature sensor;

the acquiring of the brightness value of the light emitting element included in the display screen of the mobile terminal through the preset light sensor includes:

measuring the brightness value of each display area according to the optical sensor corresponding to each display area in the display screen;

the temperature value of the light-emitting element included in the display screen is obtained through a preset temperature sensor, and the temperature value comprises the following steps:

and measuring the temperature value of each display area according to the temperature sensor corresponding to each display area in the display screen.

Optionally, the determining whether the light emitting elements included in the display screen are aged according to the acquired brightness value includes:

judging whether the brightness value acquired by the brightness sensor of each display area is lower than a preset brightness threshold value or not;

and if the brightness is lower than the preset brightness threshold, determining that the light-emitting elements included in the display area are aged.

Optionally, the determining whether the light emitting element included in the display screen is aged according to the obtained temperature value includes:

judging whether the temperature value acquired by the temperature sensor of each display area is higher than a preset temperature threshold value or not;

and if the temperature is higher than the preset temperature threshold, determining that the light-emitting elements included in the display area are aged.

Optionally, after determining that the light emitting elements included in the display area are aged, the method further includes:

and aging compensation is carried out on the light-emitting elements included in the display area according to a preset aging compensation rule, wherein the aging compensation rule comprises increasing the driving current of the light-emitting elements included in the display area, increasing the driving voltage of the light-emitting elements included in the display area or reducing the light-emitting brightness of the light-emitting elements included in the display area.

Correspondingly, the embodiment of the invention also discloses an aging determination device, which comprises:

the system comprises a brightness acquisition module, a display module and a control module, wherein the brightness acquisition module is used for acquiring the brightness value of a light-emitting element included in a display screen of the mobile terminal through a preset optical sensor;

the judging module is used for acquiring the running state of the mobile terminal and judging whether the running state of the mobile terminal meets a preset temperature detection condition or not;

the temperature acquisition module is used for acquiring the temperature value of the light-emitting element included in the display screen through a preset temperature sensor when the judgment result of the judgment module is that the running state of the mobile terminal meets the temperature detection condition;

and the aging determination module is used for determining whether the light-emitting elements included in the display screen are aged or not according to the brightness value acquired by the brightness acquisition module or the temperature value acquired by the temperature acquisition module.

Optionally, the determining module includes:

the monitoring unit is used for monitoring the running programs in the mobile terminal and counting the number of the running programs;

the first determining unit is used for determining that the operation state of the mobile terminal meets a preset temperature detection condition when the number of the operation programs counted by the monitoring unit exceeds a preset number threshold.

the brightness acquisition module is specifically configured to:

the temperature acquisition module is specifically configured to:

Optionally, the aging determination module includes:

the brightness judging unit is used for judging whether the brightness value acquired by the brightness sensor of each display area is lower than a preset brightness threshold value or not;

and the second determining unit is used for determining that the light-emitting elements included in the display area are aged when the judgment result of the brightness judging unit is that the brightness value is lower than the preset brightness threshold value.

Optionally, the aging determination module includes:

the temperature judging unit is used for judging whether the temperature value acquired by the temperature sensor of each display area is higher than a preset temperature threshold value or not;

and the third determining unit is used for determining that the light-emitting element included in the display area is aged when the judgment result of the temperature judging unit is that the temperature value is higher than the preset temperature threshold value.

Optionally, the apparatus further comprises:

and an aging compensation module, configured to perform aging compensation on the light emitting elements included in the display area according to a preset aging compensation rule after determining that the light emitting elements included in the display area age, where the aging compensation rule includes increasing a driving current of the light emitting elements included in the display area, increasing a driving voltage of the light emitting elements included in the display area, or decreasing a light emission luminance of the light emitting elements included in the display area.

Correspondingly, the embodiment of the invention also discloses a mobile terminal, which comprises a display screen, an optical sensor, a temperature sensor, a memory and a processor, wherein the processor is respectively connected with the display screen, the optical sensor, the temperature sensor and the memory, and the display screen is composed of at least one light-emitting element; wherein,

the memory is used for storing an application program;

the processor calls the application program in the memory to execute the following steps:

acquiring the brightness value of a light-emitting element included in the display screen by calling the optical sensor;

if the temperature detection condition is met, acquiring a temperature value of a light-emitting element included in the display screen by calling the temperature sensor;

Optionally, the processor calls an application program in the memory to execute the obtaining of the running state of the mobile terminal, and determines whether the running state of the mobile terminal meets a preset temperature detection condition, and specifically executes the following steps:

Optionally, the display screen is divided into at least one display area, and each display area is configured with a light sensor and a temperature sensor;

the processor calls an application program in the memory to execute the preset optical sensor to acquire the brightness value of the light-emitting element included in the display screen of the mobile terminal, and specifically executes the following steps:

the processor calls an application program in the memory to execute the temperature value of the light-emitting element included in the display screen acquired through a preset temperature sensor, and specifically executes the following steps:

Optionally, the processor calls an application program in the memory to execute the step of determining whether the light-emitting element included in the display screen is aged according to the acquired brightness value, and specifically executes the following steps:

Optionally, the processor calls an application program in the memory to execute the step of determining whether the light emitting element included in the display screen is aged according to the obtained temperature value, and specifically executes the following steps:

Optionally, after the processor calls the application program in the memory to determine that the light-emitting element included in the display area is aged, the processor is further configured to perform the following steps:

The embodiment of the invention has the following beneficial effects:

according to the embodiment of the invention, the brightness value of the luminous element included in the display screen can be acquired through the preset optical sensor, and whether the running state of the mobile terminal meets the preset temperature detection condition is detected, so that the preset temperature sensor is triggered to acquire the temperature value of the luminous element included in the display screen when the preset temperature detection condition is met, and whether the luminous element of the display screen is aged or not is determined according to the acquired brightness value or temperature value. According to the embodiment of the invention, the aging detection of the light-emitting element in the display area can be realized by detecting the brightness of the display area and the temperature of the display area under a specific condition, the accuracy of the aging detection of the light-emitting element is improved, and the power consumption of the terminal is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic flowchart of a method for determining aging of a light-emitting element according to an embodiment of the present invention;

fig. 2 is a schematic flowchart of another aging determination method for a light-emitting element according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an aging determination apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another aging determination apparatus provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a mobile terminal according to an embodiment of the present 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 some, not all, embodiments of the present invention. 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 terms "first," "second," and "third," etc. in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprises" and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or modules is not limited to the listed steps or modules but may alternatively include other steps or modules not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

It should be understood that the technical solution of the embodiment of the present invention may be specifically applied to a Mobile Terminal (Terminal) configured with an OLED display screen, such as a Mobile phone (e.g., an Android Mobile phone, an iOS Mobile phone, etc.), a television, a tablet computer, a Mobile Internet Device (MID), a Personal Digital Assistant (PDA), etc. The Mobile terminal may also be referred to as a User Equipment (UE), a terminal, a wireless terminal or a Mobile Station (MS), and the like, which are not limited in the embodiments of the present invention.

The embodiment of the invention discloses a method and a device for determining aging of a light-emitting element and a mobile terminal, which can realize aging detection of the light-emitting element of a display screen by detecting the brightness and the temperature of the display screen, improve the accuracy of the aging detection and reduce the power consumption of the terminal. The details are described below.

Referring to fig. 1, fig. 1 is a schematic flowchart illustrating a method for determining aging of a light emitting device according to an embodiment of the present invention. Specifically, as shown in fig. 1, the method for determining aging of a light emitting element according to an embodiment of the present invention may include the following steps:

101. the brightness value of a light-emitting element included in a display screen of the mobile terminal is acquired through a preset light sensor.

It should be understood that the method of the embodiment of the present invention may be specifically applied to the above-mentioned mobile terminal (simply referred to as "terminal"), and the display screen of the terminal is composed of at least one light-emitting element. Further, the light emitting element corresponds to a screen pixel, and may be specifically an OLED. Each screen pixel includes red sub pixel point (R), green sub pixel point (G) and blue sub pixel point (B), then each sub pixel point in this screen pixel can be an OLED, and the OLED that this red sub pixel point (R) corresponds is used for showing red (red light), the OLED that green sub pixel point (G) corresponds is used for showing green (green light), and the OLED that blue sub pixel point (B) corresponds is used for showing blue (blue light), thereby carries out the colour mixture through RGB and shows.

In a specific embodiment, one or more optical sensors are disposed in the mobile terminal and are used for measuring brightness information of each light-emitting element included in a display screen of the mobile terminal.

102. And acquiring the running state of the mobile terminal, and judging whether the running state of the mobile terminal meets a preset temperature detection condition.

103. And if the temperature detection condition is met, acquiring the temperature value of the light-emitting element included in the display screen through a preset temperature sensor.

In a specific embodiment, the preset light sensor may be used to obtain the brightness value of each light-emitting element in the display screen, and the light-emitting history of the light-emitting elements of the display screen is monitored to determine whether the light-emitting elements in the display area are aged. Furthermore, one or more temperature sensors are arranged in the mobile terminal and used for measuring the temperature information of each light-emitting element in the display screen. The running state of the mobile terminal can be detected, so that the running state meets the preset temperature detection condition, if the running program is detected to be more, the temperature sensor is started when the heating is influenced, the aging detection is triggered through the preset temperature sensor, the accuracy of the aging detection is ensured, and the energy consumption of the terminal is saved.

104. And determining whether the light-emitting elements included in the display screen are aged or not according to the acquired brightness value or the acquired temperature value.

Specifically, when determining whether the light emitting elements included in the display screen are aged, the determination may be made through the light emitting history of the light emitting elements of the display screen detected by the light sensor, for example, when detecting that the brightness value of the light emitting elements in a certain portion of the display screen continuously decreases for a certain period of time and is lower than a preset brightness threshold, determining that the aging occurs; alternatively, the determination may be performed by a history of temperatures of the light emitting elements of the display screen detected by a temperature sensor, for example, when a temperature value corresponding to a light emitting element in a certain portion of the display screen is detected to continuously increase for a certain period of time and is higher than a preset temperature threshold, it is determined that aging occurs, and the like, which is not limited in the embodiment of the present invention.

In the embodiment of the invention, the brightness value of the light-emitting element included in the display screen can be acquired through the preset optical sensor, and whether the operating state of the mobile terminal meets the preset temperature detection condition is detected, so that the preset temperature sensor is triggered to acquire the temperature value of the light-emitting element included in the display screen when the preset temperature detection condition is met, and whether the light-emitting element of the display screen is aged or not is determined according to the acquired brightness value or temperature value. According to the embodiment of the invention, the aging detection of the light-emitting element in the display area can be realized by detecting the brightness of the display area and the temperature of the display area under a specific condition, the accuracy of the aging detection of the light-emitting element is improved, and the power consumption of the terminal is reduced.

Further, referring to fig. 2, fig. 2 is a schematic flowchart of another aging determination method for a light emitting device according to an embodiment of the present invention. Specifically, as shown in fig. 2, the method for determining aging of a light emitting element according to an embodiment of the present invention may include the following steps:

201. and partitioning the display screen of the mobile terminal to obtain at least one partitioned display area, wherein each display area is provided with an optical sensor and a temperature sensor.

In an embodiment, a plurality of light sensing devices such as a light sensor and a temperature sensor (thermal sensor) may be configured in the mobile terminal in advance. For example, the display screen of the terminal may be divided into a plurality of display areas in advance, and a corresponding light sensor and a corresponding temperature sensor are configured for each display area. Specifically, each of the light sensors may correspond to only one display region (for measuring the brightness of the one display region), or may correspond to a plurality of display regions (the brightness of the plurality of display regions may be measured separately), so that the brightness measurement can be performed by the light sensor corresponding to each of the display regions. Accordingly, each temperature sensor may correspond to only one display region, or may correspond to a plurality of display regions, so that temperature measurement can be performed by the temperature sensor corresponding to each display region.

202. And measuring the brightness value of each display area according to the optical sensor corresponding to each display area in the display screen.

In a specific embodiment, the preset light sensor may be used to obtain the brightness value of the light emitting element in the corresponding display area, and the light emitting history of the light emitting element in the display area is monitored to determine whether the light emitting element in the display area is aged.

203. And monitoring the running programs in the mobile terminal, and counting the number of the running programs.

204. And when the counted number of the running programs exceeds a preset number threshold, measuring the temperature value of each display area according to the temperature sensor corresponding to each display area in the display screen.

Furthermore, the running state of the mobile terminal can be detected, so that the running state meets the preset temperature detection condition, if more running programs are detected, specifically, the temperature sensor is started when the number of the currently running programs exceeds a preset number threshold value and the heating is influenced, and the aging detection is triggered through the preset temperature sensor, so that the accuracy of the aging detection is ensured, and the temperature measurement is not required to be carried out through the temperature sensor all the time, so that the energy consumption of the terminal is effectively saved.

205. And determining whether the light-emitting elements included in the display screen are aged or not according to the acquired brightness value or the acquired temperature value.

Optionally, the determining, according to the obtained brightness value, whether the light emitting element included in the display screen is aged may specifically be: judging whether the brightness value acquired by the brightness sensor of each display area is lower than a preset brightness threshold value or not; and if the brightness is lower than the preset brightness threshold, determining that the light-emitting elements included in the display area are aged.

Optionally, the determining, according to the obtained temperature value, whether the light emitting element included in the display screen is aged may specifically be: judging whether the temperature value acquired by the temperature sensor of each display area is higher than a preset temperature threshold value or not; and if the temperature is higher than the preset temperature threshold, determining that the light-emitting elements included in the display area are aged.

Specifically, when determining whether the light emitting elements included in the display screen are aged, the light emitting history of the light emitting elements in each display area detected by the light sensor may be used to determine, for example, when it is detected that the brightness value of the light emitting element in a certain display area continuously decreases within a certain period of time and is lower than a preset brightness threshold, the light emitting element in the display area is determined to be aged; alternatively, the aging position may be determined by comparing luminance values of a plurality of display regions included in the display screen, respectively, at which a solid image may be output, such as a display region in which an absolute value of a difference between each luminance value and the highest luminance value thereof exceeds a preset luminance difference value, or a display region in which an average luminance value of each luminance value thereof is lower than that of each display region thereof is determined as aging, or the like. Alternatively, the determination may be performed by using a history of the temperature of the light emitting elements in each display area detected by the temperature sensor, for example, when it is detected that the temperature value corresponding to the light emitting element in a certain display area continuously increases for a certain period of time and is higher than a preset temperature threshold, it is determined that aging occurs; alternatively, the aging position may be determined by comparing the temperature values of a plurality of display areas included in the display screen by detecting the temperature values of the plurality of display areas, respectively, such as a display area in which an absolute value of a difference between each temperature value and a lowest temperature value thereof exceeds a preset temperature difference value, or a display area in which an average temperature value of each temperature value is higher than that of each display area thereof is determined as aging, and the like. Alternatively, the aging determination is performed by combining the brightness value monitored by the light sensor and the temperature value monitored by the temperature sensor, for example, it is determined that the brightness value of the light emitting element in a certain display area continuously decreases within a certain period of time and is lower than a preset brightness threshold, and the temperature value corresponding to the light emitting element in the display area continuously increases and is higher than a preset temperature threshold, and the aging is determined to occur, and the like.

206. And carrying out aging compensation on the light-emitting elements included in the display area determined to be aged in the display screen according to a preset aging compensation rule.

Wherein the aging compensation rule includes increasing a drive current of the light emitting elements included in the display region determined to be aged, increasing a drive voltage of the light emitting elements included in the display region, or decreasing a light emission luminance of the light emitting elements included in the display region.

Specifically, after it is determined that the light emitting element included in a certain display area is aged, aging compensation of the light emitting element in the display area may be triggered, for example, aging compensation is implemented by increasing a driving current or a driving voltage of the light emitting element in the display area, or reducing a light emitting luminance of the light emitting element, so as to improve display uniformity of the display screen and enhance user experience.

In the embodiment of the invention, a plurality of display areas can be obtained by partitioning a terminal display screen, and a corresponding optical sensor and a corresponding temperature sensor are configured for each display area, so that the brightness value of the light-emitting elements included in each display area can be obtained through the optical sensor corresponding to each display area, and the temperature value of the light-emitting elements included in each display area can be obtained by monitoring the running program in the mobile terminal and triggering the temperature sensor corresponding to each display area when the number of the running program is monitored to exceed a preset number threshold, so that whether the light-emitting elements included in each display area are aged or not is determined according to the obtained brightness value or temperature value, and the determination of the aging position in the terminal display screen is realized by detecting the brightness of the display area and the temperature of the display area under specific conditions, the accuracy of aging detection of the light-emitting element is improved, and the power consumption of the terminal is reduced.

Referring to fig. 3, fig. 3 is a schematic structural diagram of an aging determination apparatus according to an embodiment of the present invention. Specifically, the apparatus according to the embodiment of the present invention may be disposed in the mobile terminal, and a display screen of the mobile terminal is composed of at least one light emitting element. As shown in fig. 3, the aging determination apparatus according to an embodiment of the present invention may include a brightness acquisition module 11, a judgment module 12, a temperature acquisition module 13, and an aging determination module 14. Wherein,

the brightness obtaining module 11 is configured to obtain, through a preset optical sensor, a brightness value of a light emitting element included in a display screen of the mobile terminal.

Specifically, one or more optical sensors may be preset in the mobile terminal, and are used for measuring brightness information of each light-emitting element included in a display screen of the mobile terminal.

The judging module 12 is configured to obtain an operating state of the mobile terminal, and judge whether the operating state of the mobile terminal meets a preset temperature detection condition.

The temperature obtaining module 13 is configured to obtain a temperature value of a light emitting element included in the display screen through a preset temperature sensor when the determination result of the determining module 12 is that the operation state of the mobile terminal meets the temperature detection condition.

In a specific embodiment, the brightness acquiring module 11 may call a preset light sensor to acquire the brightness value of each light-emitting element in the display screen, so as to determine whether the light-emitting element in the display area is aged according to the light-emitting history of the light-emitting element of the display screen. Furthermore, one or more temperature sensors may be disposed in the mobile terminal for measuring temperature information of each light-emitting element in the display screen. The operation state of the mobile terminal can be detected by the determining module 12, so that the temperature sensor is started when the operation state meets the preset temperature detection condition, and if a large number of operation programs are detected, the heating is affected, and the temperature acquiring module 13 is triggered to call the preset temperature sensor to perform aging detection, so as to ensure the accuracy of aging detection and save the energy consumption of the terminal.

The aging determining module 14 is configured to determine whether the light emitting elements included in the display screen are aged according to the brightness value acquired by the brightness acquiring module 11 or the temperature value acquired by the temperature acquiring module 13.

Specifically, the aging determination module 14 may determine, when determining whether the light emitting elements included in the display screen are aged, through the light emitting history of the light emitting elements of the display screen detected by the light sensor, for example, when detecting that the brightness value of some light emitting elements in the display screen continuously decreases for a certain period of time and is lower than a preset brightness threshold, determining that the aging occurs; alternatively, the aging determination module 14 may determine the aging of the display screen through a temperature history of the light emitting elements of the display screen detected by a temperature sensor, for example, when it is detected that a temperature value corresponding to a light emitting element of a certain portion of the display screen continuously increases for a certain period of time and is higher than a preset temperature threshold, it is determined that the aging occurs, and the like, which is not limited in the embodiment of the present invention.

Further, referring to fig. 4, fig. 4 is a schematic structural diagram of another aging determination apparatus according to an embodiment of the present invention. Specifically, the apparatus according to the embodiment of the present invention may include the brightness acquiring module 11, the determining module 12, the temperature acquiring module 13, and the aging determining module 14 in the aging determining apparatus corresponding to fig. 3. Further, in the embodiment of the present invention, the determining module 12 may specifically include:

a monitoring unit 121, configured to monitor an operating program in the mobile terminal, and count the number of the operating programs;

a first determining unit 122, configured to determine that the operating state of the mobile terminal meets a preset temperature detection condition when the number of the operating programs counted by the monitoring unit 121 exceeds a preset number threshold.

In a specific embodiment, the determining module 12 may further detect the operating state of the mobile terminal, so that the operating state meets a preset temperature detection condition, if more operating programs are detected, the number of the programs operating in the terminal may be monitored by the monitoring unit 121, and the first determining unit 122 may determine that the temperature detection condition is met when the monitoring unit 121 monitors that the number of the programs currently operating exceeds a preset number threshold, which may cause heat generation to be affected, so as to start the temperature sensor, trigger the preset temperature sensor to perform aging detection, so as to ensure accuracy of the aging detection, and do not need to perform temperature measurement through the temperature sensor all the time, thereby effectively saving energy consumption of the terminal.

Optionally, in an embodiment of the present invention, a display screen corresponding to the aging determination apparatus may be divided into at least one display area, and each display area is configured with a corresponding light sensor and a corresponding temperature sensor;

the luminance obtaining module 11 may specifically be configured to:

the temperature obtaining module 13 may be specifically configured to:

respectively measuring the temperature value of each display area according to the temperature sensor corresponding to each display area in the display screen

In an embodiment, the mobile terminal is configured with a plurality of light sensing devices such as a light sensor and a temperature sensor (thermal sensor). For example, the terminal display screen may be partitioned in advance to obtain a plurality of display areas, so as to configure the corresponding optical sensor and the temperature sensor for each display area. Specifically, each of the light sensors may correspond to only one display region, or may correspond to a plurality of display regions, so that the luminance measurement can be performed by the light sensor corresponding to each of the display regions. Accordingly, each temperature sensor may correspond to only one display region, or may correspond to a plurality of display regions, so that temperature measurement can be performed by the temperature sensor corresponding to each display region.

Optionally, in an embodiment of the present invention, the aging determination module 14 may specifically include (not shown in the figure):

a brightness judging unit 141, configured to judge whether the brightness value obtained by the brightness sensor in each display area is lower than a preset brightness threshold;

a second determining unit 142, configured to determine that the light emitting elements included in the display area are aged when the brightness value is lower than the preset brightness threshold as a result of the determination by the brightness determining unit 141.

the temperature judging unit 143 is configured to judge whether the temperature value obtained by the temperature sensor of each display area is higher than a preset temperature threshold;

a third determining unit 144, configured to determine that the light emitting elements included in the display area are aged when the determination result of the temperature determining unit 143 is that the temperature value is higher than the preset temperature threshold.

Specifically, when determining whether the light emitting elements included in the display screen are aged, the aging determination module 14 may determine, for example, when it is detected that the brightness value of the light emitting element in a certain display area continuously decreases for a certain period of time and is lower than a preset brightness threshold, the light emitting element in the display area is determined as being aged; alternatively, the aging determination module 14 may also determine the aging position by comparing the luminance values of a plurality of display regions included in the display screen (in this case, a solid image may be output) by detecting the luminance values of the plurality of display regions, respectively, such as determining a display region in which an absolute value of a difference between each luminance value and the highest luminance value thereof exceeds a preset luminance difference value, or determining a display region in which an average luminance value of each luminance value is lower than that of each display region thereof as the aging occurs, and the like. Alternatively, the aging determination module 14 may determine the aging occurrence by detecting a history of the temperature of the light emitting elements in each current display area by using a temperature sensor, for example, when detecting that the temperature value corresponding to the light emitting element in a certain display area continuously increases for a certain period of time and is higher than a preset temperature threshold value, determining that the aging occurrence is determined; alternatively, the aging determination module 14 may also determine the aging position by comparing the temperature values of a plurality of display areas included in the display screen by detecting the temperature values of the plurality of display areas, respectively, for example, determining a display area in which an absolute value of a difference between each temperature value and a lowest temperature value exceeds a preset temperature difference value, or determining a display area in which an average temperature value of each display area is higher than each temperature value as aging, and the like. Alternatively, the aging determination module 14 may perform aging determination by combining the brightness value monitored by the light sensor and the temperature value monitored by the temperature sensor, for example, it is detected that the brightness value of the light emitting element in a certain display area continuously decreases within a certain period of time and is lower than a preset brightness threshold, and the temperature value corresponding to the light emitting element in the display area continuously increases and is higher than a preset temperature threshold, and it is determined that aging occurs, and the embodiment of the present invention is not limited.

Further optionally, in an embodiment of the present invention, the apparatus may further include:

and the aging compensation module 15 is configured to perform aging compensation on the light emitting elements included in the display area according to a preset aging compensation rule after determining that the light emitting elements included in the display area are aged.

Wherein the aging compensation rule includes increasing a drive current of the light emitting element included in the display region determined to be aged, increasing a drive voltage of the light emitting element included in the display region, or decreasing a light emission luminance of the light emitting element included in the display region.

Specifically, after the aging determination module 14 determines that the light emitting elements included in a certain display area are aged, the aging compensation module 15 may be triggered to perform aging compensation on the light emitting elements in the display area, for example, the aging compensation is implemented by increasing the driving current or the driving voltage of the light emitting elements in the display area, or reducing the light emitting brightness of the light emitting elements, so as to improve the display uniformity of the display screen and enhance the user experience.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention, configured to execute the aging determination method for a light emitting element. Specifically, as shown in fig. 5, the mobile terminal (abbreviated as "terminal") according to the embodiment of the present invention may include: at least one processor 100, at least one input device 200, at least one output device 300, a memory 500, a light sensor 600, and a temperature sensor 700. Wherein the components are communicatively coupled via one or more buses 400. Those skilled in the art will appreciate that the configuration of the terminal shown in fig. 5 is not intended to limit embodiments of the present invention, and may be a bus configuration, a star configuration, a combination of more or fewer components than those shown, or a different arrangement of components. Wherein:

the processor 100 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing programs and/or modules stored in the memory 500 and calling data stored in the memory 500. The processor 100 may be composed of an Integrated Circuit (IC), for example, a single packaged IC, or a plurality of packaged ICs connected with the same or different functions. For example, the processor 100 may include only a Central Processing Unit (CPU), or may be a combination of a CPU, a Digital Signal Processor (DSP), a Graphics Processing Unit (GPU), and various control chips. In the embodiment of the present invention, the CPU may be a single operation core, or may include multiple operation cores.

The input device 200 may include a standard touch screen, keyboard, camera, etc., and may also include a wired interface, wireless interface, etc.

The output device 300 may include a display screen, a speaker, etc., and may also include a wired interface, a wireless interface, etc. In the embodiment of the present invention, the output device 300 may include a display screen, which is specifically an OLED display screen and is composed of a plurality of light emitting elements.

The memory 500 may be used to store software programs and modules, and the processor 100, the input device 200, and the output device 300 execute various functional applications of the terminal and implement data processing by calling the software programs and modules stored in the memory 500. The memory 500 mainly includes a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function, and the like; the data storage area may store data created according to the use of the terminal, and the like. In the embodiment of the present invention, the operating system may be an Android system, an iOS system, a Windows operating system, or the like.

Specifically, the processor 100 calls an application program stored in the memory 500 to execute the following steps:

acquiring the brightness value of a light-emitting element included in a display screen of the mobile terminal through a preset light sensor 600;

if the temperature detection condition is met, acquiring a temperature value of a light-emitting element included in the display screen through a preset temperature sensor 700;

Optionally, the processor 100 calls an application program stored in the memory 500 to execute the acquiring of the running state of the mobile terminal, and determines whether the running state of the mobile terminal meets a preset temperature detection condition, specifically executing the following steps:

Optionally, the display screen of the mobile terminal is pre-divided into at least one display area, and each display area is configured with the optical sensor 600 and the temperature sensor 700;

the processor 100 calls an application program stored in the memory 500 to execute the step of acquiring the brightness value of the light-emitting element included in the display screen of the mobile terminal through the preset light sensor, and specifically executes the following steps:

measuring the brightness value of each display area according to the optical sensor 600 corresponding to each display area in the display screen;

the processor 100 calls an application program stored in the memory 500 to execute the acquiring of the temperature value of the light emitting element included in the display screen through the preset temperature sensor, and specifically executes the following steps:

and measuring the temperature value of each display area according to the temperature sensor 700 corresponding to each display area in the display screen.

Optionally, the processor 100 invokes an application program stored in the memory 500 to execute the determining whether the light emitting elements included in the display screen are aged according to the acquired brightness value, and specifically executes the following steps:

judging whether the brightness value acquired by the brightness sensor 600 of each display area is lower than a preset brightness threshold value;

Optionally, the processor 100 calls an application program stored in the memory 500 to execute the step of determining whether the light emitting element included in the display screen is aged according to the obtained temperature value, and specifically executes the following steps:

judging whether the temperature value acquired by the temperature sensor 700 of each display area is higher than a preset temperature threshold value;

Optionally, after the processor 100 calls the application program stored in the memory 500 to determine that the light emitting elements included in the display area are aged, the following steps are further performed:

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical division, and in actual implementation, there may be other divisions, for example, multiple modules or components may be combined or integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.

The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

In addition, functional modules in the embodiments of the present invention may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware form, and can also be realized in a form of hardware and a software functional module.

The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing 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.

It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the device described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for determining degradation of a light emitting element, comprising:

2. The method according to claim 1, wherein the obtaining the operation state of the mobile terminal and determining whether the operation state of the mobile terminal meets a preset temperature detection condition comprises:

3. The method according to claim 1 or 2, wherein the display screen of the mobile terminal is divided into at least one display area, and each display area is configured with a light sensor and a temperature sensor;

4. The method of claim 3, wherein said determining whether the display screen includes light emitting elements that are aged based on the obtained brightness values comprises:

5. The method of claim 3, wherein determining whether the display screen includes a light emitting element that is aged based on the obtained temperature value comprises:

6. The method according to claim 4 or 5, wherein after determining that the display area comprises a light emitting element that is aged, the method further comprises:

7. An aging determination apparatus, comprising:

8. The apparatus of claim 7, wherein the determining module comprises:

9. The device according to claim 7 or 8, wherein the display screen of the mobile terminal is divided into at least one display area, and each display area is configured with a light sensor and a temperature sensor;

the brightness acquisition module is specifically configured to:

the temperature acquisition module is specifically configured to:

10. The apparatus of claim 9, wherein the aging determination module comprises:

11. The apparatus of claim 9, wherein the aging determination module comprises:

12. The apparatus of claim 10 or 11, further comprising:

13. A mobile terminal is characterized by comprising a display screen, an optical sensor, a temperature sensor, a memory and a processor, wherein the processor is respectively connected with the display screen, the optical sensor, the temperature sensor and the memory, and the display screen is composed of at least one light-emitting element; wherein,

the memory is used for storing an application program;

14. The mobile terminal of claim 13, wherein the processor calls an application program in the memory to execute the obtaining of the running state of the mobile terminal, and determines whether the running state of the mobile terminal meets a preset temperature detection condition, and specifically executes the following steps:

15. The mobile terminal according to claim 13 or 14, wherein the display screen is divided into at least one display area, and each display area is configured with a light sensor and a temperature sensor;

16. The mobile terminal according to claim 15, wherein the processor invokes an application program in the memory to execute the determining whether the light emitting elements included in the display screen are aged according to the obtained brightness value, and specifically executes the following steps:

17. The mobile terminal according to claim 15, wherein the processor invokes an application program in the memory to execute the steps of determining whether the light emitting element included in the display screen is aged according to the obtained temperature value, and specifically executing the following steps:

18. The mobile terminal according to claim 16 or 17, wherein the processor is further configured to, after invoking the application program in the memory to determine that the light emitting element included in the display area is aged, perform the following steps: