KR20230028047A - Electronic apparatus and method for controlling thereof - Google Patents

Abstract

An electronic device consists of a display, an illuminance sensor, a communication interface, an input/output interface, a memory, and a processor. A control method thereof detects ambient light and communication signals to obtain information about ambient light illuminance and communication signal strength; identifies an environment in which the electronic device is located among a standard measurement environment and an actual use environment based on the information about ambient light illuminance and communication signal strength; if the identified environment is a standard measurement environment, identifies the standard of the environment in which the electronic device is located based on the obtained information on illuminance and performs a dimming operation of the display corresponding to the identified standard; and if the identified environment is an actual use environment, performs a dimming operation of the display corresponding to user input. Accordingly, in a standard measurement environment, the electronic device satisfies the standards for luminance by country's illuminance, but when used in a real-life environment by a user, the electronic device adjusts the display luminance according to the preference of the user through the dimming operation of the display.

Description

Electronic device and its control method {ELECTRONIC APPARATUS AND METHOD FOR CONTROLLING THEREOF}

The present disclosure relates to an electronic device and a control method thereof, and more particularly, to an electronic device and a control method for adjusting brightness of a display using a sensor.

Since electronic devices that output images induce users to fix their eyes while watching for a relatively long time, technology has been developed to minimize eye fatigue caused by viewing images.

The electronic device may output an image and simultaneously detect the intensity of ambient light through a sensor. Here, the electronic device adjusts the luminance of the image currently being output based on the information on the detected illuminance, so that the screen is displayed too dark in the environment where the electronic device is located, making it difficult to view the image, or it is displayed too bright, causing glare and eye damage. Fatigue-causing phenomena can be minimized.

In addition, in the case of a display device, a product can be sold in a corresponding country only when it meets a power consumption standard according to a country-specific standard. Among the power consumption standards, if the product is capable of Automatic Brightness Control capable of recognizing the surrounding illuminance, additional points are given for illuminance if it satisfies the standard for brightness by illuminance in each country. In order to satisfy this, after recognizing ambient illumination with an illumination sensor, the luminance can be adjusted through a dimming operation of the display.

Therefore, while satisfying the standards for luminance by illuminance for each country, when an electronic device is used in the real life of an actual user, which is slightly different from the standard measurement environment, the luminance is adjusted according to the user's preference to minimize glare and eye fatigue. needs to be adjusted.

The present disclosure has been devised to improve the above problems, and an object of the present disclosure is to satisfy the standards for luminance by illuminance for each country in a standard measurement environment and, when used in a real life environment by a user, through a dimming operation of a display. An electronic device for adjusting display luminance according to a user's preference and a method for controlling the same are provided.

To achieve the above object, a method for controlling an electronic device including a display according to an exemplary embodiment includes the steps of detecting ambient light and a communication signal to obtain information about the illuminance of the ambient light and the communication signal strength; Identifying an environment in which the electronic device is located among a standard measurement environment and an actual use environment based on the information on illuminance and the communication signal strength, and if the identified environment is the standard measurement environment, the obtained information on the illuminance Based on this, a standard of the environment in which the electronic device is located is identified, and a dimming operation of the display corresponding to the identified standard is performed, and if the identified environment is the actual use environment, the display corresponding to the user input It may include performing a dimming operation.

Meanwhile, in the control method, the information on the illuminance of the ambient light includes a peak wavelength range of the ambient light and a color temperature of the ambient light, and the identifying an environment in which the display is located includes the peak wavelength range of the ambient light and the color temperature of the ambient light. The method may further include identifying whether the color temperature of the ambient light matches a peak wavelength band and color temperature of a standard pre-stored in the electronic device.

Meanwhile, in the identifying step, if the peak wavelength band of the ambient light and the color temperature of the ambient light match the peak wavelength band and color temperature of a pre-stored standard in the electronic device, identifying whether the communication signal strength is equal to or greater than a predetermined threshold value, , If the communication signal strength is equal to or greater than the preset threshold, the environment in which the electronic device is located is identified as the actual use environment, and if the communication signal strength is less than the preset threshold, the environment in which the electronic device is located is identified. It may further include identifying as the standard measurement environment.

Meanwhile, in the identifying, if the peak wavelength band and the color temperature of the ambient light do not match the peak wavelength band and color temperature of a standard pre-stored in the electronic device, the environment in which the electronic device is located is identified as the actual use environment. It may further include steps to do.

Meanwhile, the standards pre-stored in the electronic device include European standards and American standards, and in the step of identifying the standards of the environment in which the electronic device is located, the information on the illuminance of the ambient light is the blue band peak wavelength and 6500K level. When the standard of the standard measurement environment in which the electronic device is located is identified as the European standard, and the information on the illuminance of the ambient light consists of a red band peak wavelength and a color temperature of 3000K, the electronic device The method may further include identifying a standard of the standard measurement environment in which is located as the American standard.

Meanwhile, in the step of performing the dimming operation, if the identified standard is the European standard, the dimming operation of the display is performed based on the luminance of the display for each illuminance of ambient light of the European standard, and the identified standard is the end-note standard. If it is a standard, the dimming operation of the display may be performed based on the luminance of the display for each illuminance of ambient light of the Americas standard.

Meanwhile, in the step of performing the dimming operation, if the identified environment is the actual use environment, a UI for selecting the luminance of the display is displayed on the display, and the UI includes a plurality of items corresponding to the luminance of the display. and may perform a dimming operation of the display based on the luminance of the display for each illuminance of the ambient light included in the plurality of items.

An electronic device according to the present embodiment may include a display, an illuminance sensor, a communication interface, and a processor, wherein the processor obtains information about the illuminance of ambient light and the communication signal strength through the illuminance sensor and the communication interface. and identifying an environment in which the display is located among a standard measurement environment and an actual use environment based on the information on the illuminance of the ambient light and the communication signal strength, and if the identified environment is the standard measurement environment, the obtained illuminance The standard of the environment in which the electronic device is located is identified based on the information on, a dimming operation of the display corresponding to the identified standard is performed, and if the identified environment is the real-use environment, response to user input is performed. It is possible to perform a dimming operation of the display.

Meanwhile, the information on the illuminance of the ambient light includes a peak wavelength range of the ambient light and a color temperature of the ambient light, and the processor determines that the peak wavelength range of the ambient light and the color temperature of the ambient light are a standard peak wavelength range pre-stored in the electronic device. And it is possible to identify whether or not it matches the color temperature.

Meanwhile, when the peak wavelength band of the ambient light and the color temperature of the ambient light match the peak wavelength band and color temperature of a pre-stored standard in the electronic device, the processor identifies whether the communication signal strength is equal to or greater than a predetermined threshold value, and If the communication signal strength is greater than or equal to the predetermined threshold, the environment in which the electronic device is located is identified as the actual use environment, and if the communication signal strength is less than the predetermined threshold, the environment in which the electronic device is located is identified as the actual use environment. It can be identified as a standard measurement environment.

Meanwhile, the processor may identify an environment in which the electronic device is located as the actual use environment when the peak wavelength band and color temperature of the ambient light do not match the peak wavelength band and color temperature of a standard pre-stored in the electronic device. there is.

Meanwhile, the standards pre-stored in the electronic device include a European standard and an American standard, and the processor, when the information on the illuminance of the ambient light consists of a blue band peak wavelength and a color temperature of 6500K, the electronic device determines the location When the standard of the standard measurement environment is identified as the European standard, and the information on the illuminance of the ambient light consists of a red band peak wavelength and a color temperature of 3000K, the standard of the standard measurement environment in which the electronic device is located is identified as the standard. It can be identified as an American standard.

Meanwhile, if the identified standard is the European standard, the processor performs a dimming operation of the display based on the luminance of the display for each illuminance of ambient light of the European standard, and if the identified standard is the American standard, the processor performs an American standard. The dimming operation of the display may be performed based on the luminance of the display for each illuminance of ambient light.

Meanwhile, if the identified environment is the actual use environment, the processor displays a UI for selecting the luminance of the display on the display, the UI includes a plurality of items corresponding to the luminance of the display, and the The dimming operation of the display may be performed based on the luminance of the display for each illuminance of the ambient light included in the plurality of items.

In the non-transitory computer readable recording medium for performing a display dimming operation based on information on the intensity of the communication signal and the illuminance of the ambient light according to the present embodiment, the method comprises detecting the ambient light and the communication signal to adjust the ambient light intensity. and obtaining information on the communication signal strength, identifying an environment in which the display is located among a standard measurement environment and a real-use environment based on the information on the illuminance of ambient light and the communication signal strength. If the environment is the standard measurement environment, a standard of the environment in which the electronic device is located is identified based on the obtained information on the illuminance, and a dimming operation of the display corresponding to the identified standard is performed, and the identified environment If this is the actual use environment, the method may include performing a dimming operation of the display corresponding to a user input.

1 is a block diagram illustrating a configuration of an electronic device according to an embodiment of the present disclosure.
2 is a flowchart illustrating a dimming operation of a display according to an embodiment of the present disclosure.
3 is a graph illustrating intensity of light for each wavelength band of light for explaining a peak wavelength band and color temperature of light for explaining various embodiments of the present disclosure.
4 is a graph showing the intensity of light for each wavelength band for explaining peak wavelength bands and color temperatures of a light source spectrum of a European standard and a light source spectrum of an American standard according to another embodiment of the present disclosure.
5 is a diagram for explaining an operation of an electronic device detecting the strength of a communication signal through a communication interface, according to an embodiment of the present disclosure.
6 is a chart for explaining luminance values for each illuminance of the European standard and luminance values for each illuminance of the American standard according to another embodiment of the present disclosure.
7 is a chart for explaining luminance values for each illuminance in a real-use environment according to another embodiment of the present disclosure.
8 is a diagram for explaining an operation in which a UI for selecting a luminance of a display is displayed on a display in a real use environment according to another embodiment of the present disclosure.
9 is a flowchart illustrating a dimming operation of a display according to still other embodiments of the present disclosure.

Since the present embodiments can apply various transformations and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the scope to the specific embodiments, and should be understood to include various modifications, equivalents, and/or alternatives of the embodiments of the present disclosure. In connection with the description of the drawings, like reference numerals may be used for like elements.

In describing the present disclosure, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present disclosure, a detailed description thereof will be omitted.

In addition, the following embodiments may be modified in many different forms, and the scope of the technical idea of the present disclosure is not limited to the following embodiments. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the spirit of the disclosure to those skilled in the art.

Terms used in this disclosure are only used to describe specific embodiments, and are not intended to limit the scope of rights. Singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present disclosure, expressions such as “has,” “can have,” “includes,” or “can include” indicate the presence of a corresponding feature (eg, numerical value, function, operation, or component such as a part). , which does not preclude the existence of additional features.

In this disclosure, expressions such as “A or B,” “at least one of A and/and B,” or “one or more of A or/and B” may include all possible combinations of the items listed together. . For example, “A or B,” “at least one of A and B,” or “at least one of A or B” (1) includes at least one A, (2) includes at least one B, Or (3) may refer to all cases including at least one A and at least one B.

Expressions such as "first," "second," "first," or "second," used in the present disclosure may modify various elements regardless of order and/or importance, and may refer to one element as It is used only to distinguish it from other components and does not limit the corresponding components.

A component (e.g., a first component) is "(operatively or communicatively) coupled with/to" another component (e.g., a second component); When referred to as "connected to", it should be understood that an element may be directly connected to another element, or may be connected through another element (eg, a third element).

On the other hand, when an element (eg, a first element) is referred to as being "directly connected" or "directly connected" to another element (eg, a second element), it is referred to as a component different from a component. It may be understood that there are no other components (eg, third components) between the elements.

The expression “configured to (or configured to)” as used in this disclosure means, depending on the situation, for example, “suitable for,” “having the capacity to.” ," "designed to," "adapted to," "made to," or "capable of." The term "configured (or set) to" may not necessarily mean only "specifically designed to" hardware.

Instead, in some contexts, the phrase "device configured to" may mean that the device is "capable of" in conjunction with other devices or components. For example, the phrase "a processor configured (or configured) to perform A, B, and C" may include a dedicated processor (eg, embedded processor) to perform the operation, or by executing one or more software programs stored in a memory device. , may mean a general-purpose processor (eg, CPU or application processor) capable of performing corresponding operations.

In an embodiment, a 'module' or 'unit' performs at least one function or operation, and may be implemented with hardware or software, or a combination of hardware and software. In addition, a plurality of 'modules' or a plurality of 'units' may be integrated into at least one module and implemented by at least one processor, except for 'modules' or 'units' that need to be implemented with specific hardware.

Meanwhile, various elements and areas in the drawings are schematically drawn. Therefore, the technical spirit of the present invention is not limited by the relative size or spacing drawn in the accompanying drawings.

Hereinafter, with reference to the accompanying drawings, an embodiment according to the present disclosure will be described in detail so that those skilled in the art can easily implement it.

1 is a block diagram illustrating a configuration of an electronic device according to an embodiment of the present disclosure.

Referring to FIG. 1 , an electronic device 100 may include a display 110, an illuminance sensor 120, a communication interface 130, an input/output interface 140, a memory 150, and a processor 160. However, the electronic device 100 is not limited to the above configuration, and other configurations may be added or some configurations may be deleted.

The electronic device 100 is a variety of devices equipped with displays and capable of reproducing video content, such as, for example, a smart TV (Smart TV), an Internet Protocol TV (IPTV), a tablet, a monitor, a smart phone, a desktop computer, a laptop computer, and the like. can be implemented The electronic device 100 according to an embodiment of the present disclosure is not limited to the above devices, and the electronic device 100 may be implemented as an electronic device 100 having two or more functions of the above devices. The electronic device 100 may perform an operation for performing one or more functions by being connected to an external device.

In addition, the electronic device 100 according to various embodiments of the present disclosure includes the illuminance sensor 120 and the communication interface 130 inside the electronic device 100 or the illuminance sensor 120 as shown in FIG. 1 . ) and the communication interface 130 may be implemented in a form attached to the surface of the electronic device 100 .

The display 110 may include various types of display panels such as a liquid crystal display (LCD) panel, an organic light emitting diodes (OLED) panel, a plasma display panel (PDP) panel, an inorganic LED panel, and a micro LED panel. It is not limited. Meanwhile, the display 120 may constitute a touch screen together with a touch panel or may be formed of a flexible panel. In addition, the screen displayed on the display 110 is not limited to a TV broadcasting screen, and a DVD playback screen, a cable broadcasting screen, a satellite broadcasting screen, and the like may be displayed.

The display 110 according to an embodiment of the present disclosure may include information on a peak wavelength range of ambient light or a color temperature of ambient light acquired through the illuminance sensor 120, or a communication signal type or communication signal strength obtained through the communication interface 130. The display 110 may be configured to include light emitting diodes in the display panel so that a part of the light emitting diodes can perform a dimming operation in which a part of the light emitting diodes flickers in response to information about the light emitting diodes. It may be composed of organic light emitting diodes, mini light emitting diodes, and micro light emitting diodes. The light source of the display 110 is not limited to the light emitting diode and may be configured with other types of light sources capable of performing a dimming operation of the display 110 .

The illuminance sensor 120 may include a photocell, a photoelectric tube, and a photomultiplier tube, and may include a device having a photoelectric effect in which conductivity by free electrons is changed by receiving ambient light. The illuminance sensor 120 may be formed of a semiconductor device that senses light through a photoconductive effect or a photovoltaic effect. Specifically, the illuminance sensor 120 may be made of cadmium sulfide (CdS), cadmium selenide (CdSe), lead oxide (PbO), lead sulfide (PbS), or the like. The element of the illuminance sensor 120 is not limited to the one made of the above-mentioned compound, and may be composed of an element made of a compound having a photoelectric effect.

In the illuminance sensor 120 according to various embodiments of the present disclosure, when the brightness of the ambient light increases, the value of the variable resistance constituting the illuminance sensor 120 decreases, and when the brightness of the ambient light decreases, the variable resistance constituting the illuminance sensor 120 decreases. As the resistance value increases, the processor 160 can sense the ambient light through the illuminance sensor 120 and obtain information about the illuminance of the ambient light.

The illuminance sensor 120 may include a sensor for detecting ambient light so that the processor 160 may acquire information about a peak wavelength range of ambient light or a color temperature of ambient light. The electronic device 100 may identify whether the environment in which the electronic device 100 is located corresponds to a standard measurement environment or an actual use environment, based on information about a peak wavelength range of ambient light or a color temperature of ambient light. Specifically, the electronic device 100 is the electronic device 100 if the peak wavelength band of the ambient light or the color temperature of the ambient light matches the standard pre-stored in the electronic device 100 or the color temperature of the ambient light matching the pre-stored standard. The environment in which is located can be identified as a standard measurement environment.

The communication interface 130 may include a wireless communication interface. The wireless communication interface may perform communication with various external devices using wireless communication technology or mobile communication technology. Such wireless communication technologies include, for example, Bluetooth, Bluetooth Low Energy, CAN communication, Wi-Fi, Wi-Fi Direct, ultra-wideband communication (UWB, ultrawide band), Zigbee, infrared data association (IrDA), or NFC (Near Field Communication) may be included, and as mobile communication technologies, 3GPP, Wi-Max , LTE (Long Term Evolution), 5G, etc. may be included. The wireless communication interface may be implemented using an antenna, a communication chip, a substrate, or the like capable of transmitting electromagnetic waves to the outside or receiving electromagnetic waves transmitted from the outside.

The communication interface 130 according to an embodiment of the present disclosure may detect a communication signal, and the type of communication signal may be Wi-Fi. The communication interface 130 detects a Wi-Fi signal so that the electronic device 100 can acquire information about the Wi-Fi strength. The electronic device 100 may identify whether the environment in which the electronic device 100 is located corresponds to a standard measurement environment or an actual use environment, based on information on Wi-Fi signal strength. In detail, the electronic device 100 may identify the environment in which the electronic device 100 is located as an actual use environment when it is identified that the Wi-Fi signal strength has a predetermined threshold value or more. In the electronic device 100, when the Wi-Fi signal strength is less than a preset threshold and the peak wavelength band of the ambient light or the color temperature of the ambient light acquired through the illuminance sensor 120 matches the standard pre-stored in the electronic device 100. , the environment in which the electronic device 100 is located may be identified as a standard measurement environment.

The input/output interface 140 may be provided to be connectable to another device provided separately from the electronic device 100, for example, an external storage device. For example, the input/output interface 140 may be a Universal Serial Bus (USB) terminal, in addition to at least one of various interface terminals such as a High Definition Multimedia Interface (HDMI) terminal or a Thunderbolt terminal. can include

The memory 150 may temporarily or non-temporarily store various programs or data and transmit stored information to the processor 160 according to a call of the processor 160 . In addition, the memory 150 may store various types of information necessary for calculation, processing, or control operations of the processor 160 in an electronic format.

The memory 150 may include, for example, at least one of a main memory device and an auxiliary memory device. The main memory device may be implemented using a semiconductor storage medium such as ROM and/or RAM. The ROM may include, for example, a conventional ROM, an EPROM, an EEPROM, and/or a MASK-ROM. The RAM may include, for example, DRAM and/or SRAM. Secondary storage devices include flash memory devices, Secure Digital (SD) cards, Solid State Drives (SSD), Hard Disc Drives (HDD), magnetic drums, compact discs (CDs), and DVDs (DVDs). ) or an optical media such as a laser disk, a magnetic tape, a magneto-optical disk, and/or a floppy disk, etc., that can store data permanently or semi-permanently.

The memory 150 may store peak wavelength bands or color temperatures of light sources under one or more standard conditions of a standard measurement environment, and luminance values for each illuminance under one or more standard conditions. The memory 150 may store luminance values for each illuminance according to user standard conditions in a real use environment. In addition, the memory 150 may store a threshold value of the communication signal strength detected by the communication interface 130 .

The processor 160 controls overall operations of the electronic device 100 . Specifically, the processor 160 is connected to the configuration of the electronic device 100 including the memory 150 as described above, and by executing at least one instruction stored in the memory 150 as described above, The overall operation of the electronic device 100 may be controlled. In particular, the processor 160 may be implemented as one processor 160 or as a plurality of processors 160 .

Also, the processor 160 may be implemented in various ways. For example, the processor 160 may include an application specific integrated circuit (ASIC), an embedded processor, a microprocessor, hardware control logic, a hardware finite state machine (FSM), a digital signal processor Processor, DSP) may be implemented as at least one. Meanwhile, in the present disclosure, the term processor 160 refers to a central processing unit (CPU) that processes digital signals, a micro controller unit (MCU), a micro processing unit (MPU), a controller, and an application processor. (application processor (AP)), communication processor (communication processor (CP)), one or more of the ARM processor, or may be defined in the term. In addition, the processor 130 may be implemented as a system on chip (SoC) having a processing algorithm, a large scale integration (LSI), or a field programmable gate array (FPGA). The processor 130 may perform various functions by executing computer executable instructions stored in the memory 150 . In addition, the processor 130 may include at least one of a graphics-processing unit (GPU), a neural processing unit (NPU), and a visual processing unit (VPU), which are separate AI processors, in order to perform artificial intelligence functions. there is.

A control method of the electronic device 100 including the display 110 of the processor 160 will be described in detail with reference to FIGS. 2 to 8 .

2 is a flowchart illustrating a dimming operation of a display according to an embodiment of the present disclosure.

Referring to FIG. 2 , the processor 160 may obtain information about the illuminance of ambient light through the illuminance sensor 120 and obtain information about a communication signal through the communication interface 130 (S210). . The information on the illuminance of ambient light may include a peak wavelength band or color temperature of ambient light, and the information on the communication signal may include the type of communication signal or the strength of the communication signal.

The processor 160 may identify an environment in which the electronic device is located among the standard measurement environment and the actual use environment based on the information on the intensity of ambient light and the information on the strength of the communication signal. Specifically, the processor 160 may identify whether the peak wavelength range and color temperature of the ambient light match the peak wavelength range and color temperature of a standard pre-stored in the electronic device (S220).

The processor 160 determines whether the communication signal strength is greater than or equal to a predetermined threshold value when the peak wavelength range and color temperature of the ambient light match the peak wavelength range and color temperature of the standard pre-stored in the electronic device 100 (S220-Y). It can be identified (S230). If the communication signal strength is less than a predetermined threshold value (S230-Y), the environment in which the electronic device 100 is located may be identified as a standard measurement environment (S240). When the environment in which the electronic device 100 is located is identified as a standard measurement environment, the processor 160 identifies the standard of the environment in which the electronic device 100 is located based on information on the peak wavelength band of ambient light and the color temperature of ambient light. Accordingly, the display 110 may be controlled to perform a dimming operation of the display 110 corresponding to the identified standard (S250). The identified standard may be a standard pre-stored in the memory 150 of the electronic device 100, and may include a European standard and an American standard.

3 is a graph 300 illustrating intensity of light for each wavelength band of light for explaining a peak wavelength band and color temperature of light for explaining various embodiments of the present disclosure.

Light having a wavelength of 380 to 780 nm is called visible light 310, and light in the visible light range has various colors depending on the wavelength. Light having a wavelength of 620 to 780 nm is red light 320 having a reddish color, and light having a wavelength of 380 to 500 nm is blue light 330 having a blue color. Ambient light refers to light in the visible ray region that is perceived by the user's eyes. The peak wavelength band refers to a wavelength band showing the strongest intensity among various wavelength bands included in ambient light. If the peak wavelength range of the ambient light is 620-780 nm, the ambient light corresponds to the red light 320, and if the peak wavelength range of the ambient light is 380 to 500 nm, the ambient light corresponds to the blue light 330. The range of the aforementioned wavelength range may have an error range of 10 to 20 nm. The red light may include colors of pink and orange, and the blue light may include colors of cyan and purple. The color temperature represents the color represented by black body radiation corresponding to the peak wavelength band in terms of the temperature (K) of the black body. Therefore, if the color temperature of light is known, the peak wavelength range of light can be known, which can be calculated by Wien's displacement law. According to Wien's displacement law, if the peak wavelength range of the ambient light is known, the color temperature can be found, and conversely, if the color temperature is known, the peak wavelength range can be found.

4 is a graph showing the intensity of light for each wavelength band for explaining peak wavelength bands and color temperatures of a light source spectrum of a European standard and a light source spectrum of an American standard according to another embodiment of the present disclosure.

Referring to FIG. 4 , the European standard light source may be an ERP projector light source 410 having a blue band peak wavelength and a color temperature of 6500k. The American standard light source may be an Energy Star light source 420 having a red band peak wavelength and a color temperature of 3000K. The energy star light source may be a halogen lamp. When the processor 160 identifies ambient light as having a blue band peak wavelength and a color temperature of 6500K through the illuminance sensor 120, the environment in which the electronic device 100 is located may be identified as the European standard measurement environment. . When the processor 160 identifies ambient light as having a red band peak wavelength and a color temperature of 3000K through the illuminance sensor 120, the environment in which the electronic device 100 is located may be identified as an American standard measurement environment. .

The information on the peak wavelength band or color temperature of the ambient light acquired by the processor 160 is based on ambient light detection by the infrared sensor 120 as well as ambient light detection by the infrared sensor 120, the ultraviolet sensor 120, and the visible light sensor. can include

5 is a diagram for explaining an operation of an electronic device detecting the strength of a communication signal through a communication interface, according to an embodiment of the present disclosure.

The electronic device 100 may detect a communication signal, eg, a Wi-Fi signal, through the communication interface 130 to obtain information about Wi-Fi signal strength. The Wi-Fi signal detected through the communication interface 130 may be received from the Wi-Fi router 500 or Wi-Fi router located around the electronic device 100 . When the electronic device 100 is located in an actual use environment, unlike the case where the electronic device 100 is located in a standard measurement environment, the Wi-Fi signal will be detected by the Wi-Fi router 500 and the Wi-Fi router installed nearby, and communication If the Wi-Fi signal strength detected by the interface 130 is greater than or equal to a predetermined threshold value, the electronic device 100 may be located in a real-use environment.

If the communication signal strength is greater than or equal to a preset threshold (S230-N), the environment in which the electronic device is located may be identified as a real-use environment (S260). When the processor 160 identifies the environment in which the electronic device 100 is located as an actual use environment, the processor 160 controls the display 110 to perform a dimming operation of the display 110 corresponding to a user input. It can (S270).

If the peak wavelength range and color temperature of the ambient light do not match the standard peak wavelength range and color temperature pre-stored in the electronic device 100 (S220-N), the processor 160 converts the environment where the electronic device is located into a real use environment. It can be identified (S260). When the processor 160 identifies the environment in which the electronic device 100 is located as an actual use environment, the processor 160 controls the display 110 to perform a dimming operation of the display 110 corresponding to a user input. It can (S270).

6 is a chart for explaining luminance values for each illuminance of the European standard and luminance values for each illuminance of the American standard according to another embodiment of the present disclosure.

When the processor 160 identifies the environment in which the electronic device 100 is located as a standard measurement environment and performs a dimming operation of the display 110 corresponding to the identified standard, for example, the electronic device 100 identifies the If the identified standard is the European standard, the dimming operation of the display is performed based on the luminance of the display for each illuminance of ambient light of the European standard, and if the identified standard is the American standard, the display is performed based on the luminance of the display for each illuminance of ambient light of the American standard. of dimming can be performed.

Specifically, referring to FIG. 6 , when the electronic device 100 is located in the European standard measurement environment 610 and the illuminance is 101 lux or more, the processor 160 performs a dimming operation so that the luminance of the display 110 becomes 100%. can control. When the illuminance is 61 to 100 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 100%. When the illuminance is 36 to 60 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 70%. When the illuminance is 13 to 35 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 60%. When the illuminance is 0 to 12 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 50%.

When the electronic device 100 is located in the American standard measurement environment 620 and the illuminance is 101 lux or more, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 100%. When the illuminance is 61 to 100 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 85%. When the illuminance is 36 to 60 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 85%. When the illuminance is 13 to 35 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 40%. When the illuminance is 0 to 12 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 30%.

The luminance value for each illuminance according to the standard condition of the standard measurement environment in which the above-described electronic device 100 is located may be previously set and stored in the memory 150, and when there is a change in the standard condition, the luminance for each illuminance according to the change In order to update the value, the set value may be changed by the processor 160 or a user input. In addition, the luminance value for each illuminance according to standard conditions pre-stored in the memory 150 may be updated by information received from an external server.

7 is a chart for explaining luminance values for each illuminance in a real-use environment according to another embodiment of the present disclosure.

When the electronic device 100 is located in an actual use environment and Off is selected from among a plurality of user standard conditions by a user input (710), the luminance of the display 110 is 100% for all illuminance values. The processor 160 may control the dimming operation.

When Low is selected from among a plurality of user-specified conditions by a user input (720), if the illuminance is 101 lux or more, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 100%. there is. When the illuminance is 61 to 100 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 60%. When the illuminance is 36 to 60 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 40%. When the illuminance is 13 to 35 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 30%. When the illuminance is 0 to 12 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 15%.

When Mid is selected from among a plurality of user-specified conditions by a user input (730), if the illuminance is 101 lux or more, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 100%. there is. When the illuminance is 61 to 100 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 80%. When the illuminance is 36 to 60 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 50%. When the illuminance is 13 to 35 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 40%. When the illuminance is 0 to 12 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 30%.

When High is selected from among a plurality of user-specified conditions by a user input (740), if the illuminance is 101 lux or more, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 100%. there is. When the illuminance is 61 to 100 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 90%. When the illuminance is 36 to 60 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 70%. When the illuminance is 13 to 35 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 60%. When the illuminance is 0 to 12 lux, the processor 160 may control the dimming operation so that the luminance of the display 110 becomes 50%.

The luminance value for each illuminance according to standard conditions of the actual use environment in which the above-described electronic device 100 is located may be previously set and stored in the memory 150. In order to update the value, the set value may be changed by the processor 160 or a user input. In addition, the luminance value for each illuminance according to standard conditions pre-stored in the memory 150 may be updated by information received from an external server.

8 is a diagram for explaining an operation in which a UI for selecting a luminance of a display is displayed on a display in a real-use environment according to another embodiment of the present disclosure.

If the environment identified as the location of the electronic device is an actual use environment, the display 110 of the electronic device 100 uses the UI 810 for selecting the luminance of the display according to user standard conditions as an on screen display. ) can be displayed. The UI 810 may include a plurality of items such as High 820, Mid 830, Low 840, and Off 850 as user standard conditions corresponding to display luminance. The plurality of items is not limited to four of High (820), Mid (830), Low (840), and Off (850), and may include a larger number of items. The processor 160 receives an input of selecting an item corresponding to the luminance of the display according to the user standard condition according to the user's preference, and as shown in FIG. 7 , the processor 160 dims the display 110 based on the luminance value for each illuminance of ambient light. can be performed. The user input may be made by a user terminal device, or if the display 110 is made of a touch screen, it may be made by a user's touch on the display 110 . In this case, the user terminal device is, for example, a smartphone, a tablet personal computer, a laptop personal computer, a netbook computer, a mobile medical device, and a wearable device. It may include at least one of, but is not limited thereto.

9 is a flowchart illustrating a dimming operation of a display according to still other embodiments of the present disclosure.

The electronic device 100 may detect ambient light and a communication signal to acquire information about the intensity of illumination of the ambient light and the communication signal (S910). The electronic device 100 may identify an environment in which the electronic device 100 is located among the standard measurement environment and the actual use environment based on the information on the illuminance of ambient light and the information on the communication signal strength (S920). In this case, the information on the illuminance of the ambient light may include a peak wavelength range of the ambient light or a color temperature of the ambient light. In order to identify the environment in which the electronic device 100 is located, the electronic device 100 may first identify whether the identified environment is a standard measurement environment (S930). If the identified environment is a standard measurement environment (S930-Y), the standard of the environment in which the electronic device 100 is located is identified based on the obtained information on illuminance, and the dimming operation of the display 110 corresponding to the identified standard is performed. can be performed (S940). Specifically, the standards of the standard measurement environment in which the electronic device 100 is located may include European standards or American standards. If the environment identified in which the electronic device 100 is located is not a standard measurement environment (S930-N), the electronic device 100 may identify whether the identified environment is an actual use environment (S950). If the identified environment is an actual use environment (S950-Y), a dimming operation of the display corresponding to the user input may be performed (S960). Specifically, the user's input may be provided to the user in the form of a UI 810 displayed on the display 110, and the UI 810 includes a plurality of items for selecting the luminance of the display 110 according to the ambient light intensity. can be included A plurality of items may consist of High (820), Mid (830), Low (840), and Off (850).

Meanwhile, according to an exemplary embodiment of the present disclosure, the various embodiments described above may be implemented as software including instructions stored in a machine-readable storage medium (eg, a computer). A device is a device capable of calling a command stored from a storage medium and operating according to the called command, and may include a device according to the disclosed embodiments. When a command is executed by a processor, the processor directly or A function corresponding to a command may be performed using other components under the control of the processor. A command may include code generated or executed by a compiler or an interpreter. A device-readable storage medium is a non-transitory It can be provided in the form of a (non-transitory) storage medium, where 'non-transitory storage medium' only means that it is a tangible device and does not contain a signal (e.g. electromagnetic wave), This term does not distinguish between a case where data is stored semi-permanently and a case where data is temporarily stored in a storage medium, for example, 'non-temporary storage medium' may include a buffer in which data is temporarily stored.

According to one embodiment, the method according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products may be traded between sellers and buyers as commodities. A computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store™) or on two user devices (e.g. It can be distributed (eg downloaded or uploaded) online, directly between smartphones. In the case of online distribution, at least a part of a computer program product (eg, a downloadable app) is stored on a device-readable storage medium such as a memory of a manufacturer's server, an application store server, or a relay server. It can be temporarily stored or created temporarily.

Although the preferred embodiments of the present disclosure have been shown and described above, the present disclosure is not limited to the specific embodiments described above, and is common in the technical field belonging to the present disclosure without departing from the gist of the present disclosure claimed in the claims. Of course, various modifications and implementations are possible by those with knowledge of, and these modifications should not be individually understood from the technical spirit or perspective of the present disclosure.

100: electronic device
110: display
120: illuminance sensor
130: communication interface
140: input/output interface
150: memory
160: processor

Claims (15)

A method for controlling an electronic device including a display,
detecting ambient light and a communication signal to obtain information about the intensity of illumination of the ambient light and the communication signal;
identifying an environment in which the electronic device is located among a standard measurement environment and an actual use environment based on the information on the illuminance of ambient light and the information on the strength of the communication signal; and
If the identified environment is the standard measurement environment, identify the standard of the environment in which the electronic device is located based on the obtained information on the illuminance, and perform a dimming operation of the display corresponding to the identified standard;
and performing a dimming operation of the display corresponding to a user input if the identified environment is the actual use environment. According to claim 1,
Information on the illuminance of the ambient light,
including a peak wavelength range of the ambient light and a color temperature of the ambient light;
Identifying the environment in which the display is located,
and identifying whether or not the peak wavelength range and color temperature of the ambient light match the peak wavelength range and color temperature of a pre-stored standard in the electronic device. According to claim 2,
The identification step is
When the peak wavelength range of the ambient light and the color temperature of the ambient light match the peak wavelength range and color temperature of a standard pre-stored in the electronic device, identifying whether the communication signal strength is equal to or greater than a predetermined threshold value;
If the communication signal strength is equal to or greater than the preset threshold, identifying an environment in which the electronic device is located as the actual use environment;
and identifying an environment in which the electronic device is located as the standard measurement environment when the communication signal strength is less than the preset threshold value. According to claim 2,
The identification step is
and identifying an environment in which the electronic device is located as the real-use environment when the peak wavelength range and color temperature of the ambient light do not match the peak wavelength range and color temperature of a pre-stored standard in the electronic device. . According to claim 3,
The standard pre-stored in the electronic device,
Including European standards and American standards,
The step of identifying the standard of the environment in which the electronic device is located,
When the information on the illuminance of the ambient light consists of a blue band peak wavelength and a color temperature of 6500K, the standard of the standard measurement environment in which the electronic device is located is identified as the European standard,
and identifying a standard of the standard measurement environment in which the electronic device is located as the American standard when the information on the illuminance of the ambient light consists of a red band peak wavelength and a color temperature of 3000K. According to claim 5,
In the step of performing the dimming operation,
If the identified standard is the European standard, performing a dimming operation of the display based on the luminance of the display for each illuminance of ambient light of the European standard;
If the identified standard is the American standard, performing a dimming operation of the display based on the luminance of the display for each illuminance of ambient light of the American standard. According to claim 3 or 4,
In the step of performing the dimming operation,
If the identified environment is the actual use environment, displaying a UI for selecting a luminance of the display on the display;
The UI includes a plurality of items corresponding to the display luminance,
A control method of performing a dimming operation of the display based on the luminance of the display for each illuminance of the ambient light included in the plurality of items. In electronic devices,
display;
light sensor;
communication interface; and
Including; processor;
the processor,
obtaining information on the intensity of ambient light and the strength of a communication signal through the illuminance sensor and the communication interface;
Identifying an environment in which the display is located among a standard measurement environment and an actual use environment based on the information on the illuminance of ambient light and the information on the strength of the communication signal;
If the identified environment is the standard measurement environment, identify the standard of the environment in which the electronic device is located based on the obtained information on the illuminance, and perform a dimming operation of the display corresponding to the identified standard;
If the identified environment is the actual use environment, performing a dimming operation of the display corresponding to a user input. According to claim 8,
Information on the illuminance of the ambient light,
including a peak wavelength range of the ambient light and a color temperature of the ambient light;
the processor,
The electronic device for identifying whether the peak wavelength band of the ambient light and the color temperature of the ambient light match the peak wavelength band and color temperature of a pre-stored standard in the electronic device. According to claim 9,
the processor,
When the peak wavelength range of the ambient light and the color temperature of the ambient light match the peak wavelength range and color temperature of a standard pre-stored in the electronic device, identifying whether the communication signal strength is equal to or greater than a predetermined threshold value;
If the communication signal strength is equal to or greater than the preset threshold, identifying an environment in which the electronic device is located as the actual use environment;
and identifying an environment in which the electronic device is located as the standard measurement environment when the communication signal strength is less than the predetermined threshold value. According to claim 9,
the processor,
If the peak wavelength range of the ambient light and the color temperature of the ambient light do not match the peak wavelength range and color temperature of a pre-stored standard in the electronic device, the electronic device identifies an environment in which the electronic device is located as the actual use environment. According to claim 10,
The standard pre-stored in the electronic device,
Including European standards and American standards,
the processor,
When the information on the illuminance of the ambient light consists of a blue band peak wavelength and a color temperature of 6500K, the standard of the standard measurement environment in which the electronic device is located is identified as the European standard,
When the information on the illuminance of the ambient light consists of a red band peak wavelength and a color temperature of 3000K, the electronic device identifies a standard of the standard measurement environment in which the electronic device is located as the American standard. According to claim 12,
the processor,
If the identified standard is the European standard, performing a dimming operation of the display based on the luminance of the display for each illuminance of ambient light of the European standard;
If the identified standard is the American standard, the electronic device performs a dimming operation of the display based on the luminance of the display for each illuminance of ambient light of the American standard. According to claim 10 or 11,
the processor,
If the identified environment is the actual use environment, displaying a UI for selecting a luminance of the display on the display;
The UI includes a plurality of items corresponding to the display luminance,
An electronic device that performs a dimming operation of the display based on the luminance of the display for each illuminance of the ambient light included in the plurality of items. A non-transitory computer-readable recording medium that performs a display dimming operation based on information on the intensity of ambient light and communication signal strength, comprising:
The method,
detecting ambient light and a communication signal to obtain information about the intensity of illumination of the ambient light and the communication signal;
identifying an environment in which the display is located among a standard measurement environment and an actual use environment based on the information on the illuminance of the ambient light and the communication signal strength; and
If the identified environment is the standard measurement environment, identify the standard of the environment in which the electronic device is located based on the obtained information on the illuminance, and perform a dimming operation of the display corresponding to the identified standard;
and performing a dimming operation of the display corresponding to a user input if the identified environment is the actual use environment.

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