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WO2019045497A1 - Dispositif électronique comprenant un affichage et procédé de correction associé - Google Patents

Dispositif électronique comprenant un affichage et procédé de correction associé Download PDF

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Publication number
WO2019045497A1
WO2019045497A1 PCT/KR2018/010082 KR2018010082W WO2019045497A1 WO 2019045497 A1 WO2019045497 A1 WO 2019045497A1 KR 2018010082 W KR2018010082 W KR 2018010082W WO 2019045497 A1 WO2019045497 A1 WO 2019045497A1
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WO
WIPO (PCT)
Prior art keywords
display
electronic device
value
light
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2018/010082
Other languages
English (en)
Korean (ko)
Inventor
이봉재
서금석
박정민
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of WO2019045497A1 publication Critical patent/WO2019045497A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10—Intensity circuits
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a 3D space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light

Definitions

  • the present invention relates to an electronic device including a display and a method of correcting the same.
  • an electronic device may provide a user interface via a display.
  • a display included in an electronic device has a characteristic that performance may deteriorate as usage continues. For example, even if the same current is supplied to the display, a change may occur in the output luminance value.
  • the electronic device can be set to have a high initial luminance value. For example, even if the performance of the display deteriorates after a certain period of time, it is intended to have a brightness higher than the minimum luminance value.
  • An electronic device in accordance with various embodiments of the present invention includes a display, an image sensor disposed beneath the display, and a processor, the processor outputting the content using the display set to the first specified attribute value
  • the light amount measuring unit measures the light amount of light emitted from at least a part of the display using the image sensor and when the difference between the light amount according to the first specified property value and the measured light amount satisfies a specified condition, Set the display with a second specified attribute value, and display the content or other content using the display set to the second specified attribute value.
  • a method of calibrating an electronic device comprising a display in accordance with various embodiments of the present invention includes the steps of outputting content using a display set to a first specified attribute value, Setting the display to a second specified property value if the difference between the quantity of light according to the first specified property value and the measured quantity of light meets a specified condition, And displaying the content or other content using the display set to the second specified attribute value.
  • the consumption current of the display can be reduced.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment, in accordance with various embodiments.
  • FIG. 2 is a block diagram of an electronic device according to various embodiments.
  • FIG. 3 is a diagram illustrating an electronic device according to various embodiments.
  • FIG. 4 is a cross-sectional view illustrating the arrangement of an image sensor (e.g., image sensor 330 of FIG. 3) according to various embodiments in accordance with various embodiments.
  • an image sensor e.g., image sensor 330 of FIG. 3
  • FIG. 5 is a flow chart illustrating a method of correcting an attribute value of a display according to various embodiments.
  • FIG. 6 is a flow chart illustrating a method of correcting a luminance value of a display according to various embodiments.
  • FIG. 1 is a block diagram of an electronic device 101 in a network environment 100, in accordance with various embodiments.
  • an electronic device 101 in a network environment 100 communicates with an electronic device 102 via a first network 198 (e.g., near-field wireless communication) or a second network 199 (E. G., Remote wireless communication).
  • a first network 198 e.g., near-field wireless communication
  • a second network 199 E. G., Remote wireless communication
  • ≪ / RTI &gt the electronic device 101 is capable of communicating with the electronic device 104 through the server 108.
  • the electronic device 101 includes a processor 120, a memory 130, an input device 150, an audio output device 155, a display device 160, an audio module 170, a sensor module 176, an interface 177, a haptic module 179, a camera module 180, a power management module 188, a battery 189, a communication module 190, a subscriber identity module 196, and an antenna module 197 ).
  • at least one (e.g., display 160 or camera module 180) of these components may be omitted from the electronic device 101, or other components may be added.
  • some components such as, for example, a sensor module 176 (e.g., a fingerprint sensor, an iris sensor, or an illuminance sensor) embedded in a display device 160 Can be integrated.
  • Processor 120 may be configured to operate at least one other component (e.g., hardware or software component) of electronic device 101 connected to processor 120 by driving software, e.g., And can perform various data processing and arithmetic operations.
  • Processor 120 loads and processes commands or data received from other components (e.g., sensor module 176 or communication module 190) into volatile memory 132 and processes the resulting data into nonvolatile memory 134.
  • the processor 120 may operate in conjunction with a main processor 121 (e.g., a central processing unit or an application processor) and, independently, or additionally or alternatively, Or a co-processor 123 (e.g., a graphics processing unit, an image signal processor, a sensor hub processor, or a communications processor) specific to the designated function.
  • a main processor 121 e.g., a central processing unit or an application processor
  • a co-processor 123 e.g., a graphics processing unit, an image signal processor, a sensor hub processor, or a communications processor
  • the coprocessor 123 may be operated separately from or embedded in the main processor 121.
  • the coprocessor 123 may be used in place of the main processor 121, for example, while the main processor 121 is in an inactive (e.g., sleep) state, At least one component (e.g., display 160, sensor module 176, or communications module 176) of the components of electronic device 101 (e.g., 190) associated with the function or states.
  • the coprocessor 123 e.g., an image signal processor or communications processor
  • the coprocessor 123 is implemented as a component of some other functionally related component (e.g., camera module 180 or communication module 190) .
  • Memory 130 may store various data used by at least one component (e.g., processor 120 or sensor module 176) of electronic device 101, e.g., software (e.g., program 140) ), And input data or output data for the associated command.
  • the memory 130 may include a volatile memory 132 or a non-volatile memory 134.
  • the program 140 may be software stored in the memory 130 and may include, for example, an operating system 142, a middleware 144,
  • the input device 150 is an apparatus for receiving a command or data to be used for a component (e.g., processor 120) of the electronic device 101 from the outside (e.g., a user) of the electronic device 101,
  • a component e.g., processor 120
  • a microphone, a mouse, or a keyboard may be included.
  • the sound output device 155 is a device for outputting a sound signal to the outside of the electronic device 101.
  • the sound output device 155 may be a speaker for general use such as a multimedia reproduction or a sound reproduction, .
  • the receiver may be formed integrally or separately with the speaker.
  • Display device 160 may be an apparatus for visually providing information to a user of electronic device 101 and may include, for example, a display, a hologram device, or a projector and control circuitry for controlling the projector. According to one embodiment, the display device 160 may include a touch sensor or a pressure sensor capable of measuring the intensity of the pressure on the touch.
  • the audio module 170 is capable of bi-directionally converting sound and electrical signals. According to one embodiment, the audio module 170 may acquire sound through the input device 150, or may be connected to the audio output device 155, or to an external electronic device (e.g., Electronic device 102 (e.g., a speaker or headphone)).
  • an external electronic device e.g., Electronic device 102 (e.g., a speaker or headphone)
  • the sensor module 176 may generate an electrical signal or data value corresponding to an internal operating state (e.g., power or temperature) of the electronic device 101, or an external environmental condition.
  • the sensor module 176 may be a gesture sensor, a gyro sensor, a barometric sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an infrared sensor, Or an illuminance sensor.
  • the interface 177 may support a designated protocol that may be wired or wirelessly connected to an external electronic device (e.g., the electronic device 102).
  • the interface 177 may include a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.
  • HDMI high definition multimedia interface
  • USB universal serial bus
  • SD card interface Secure Digital interface
  • audio interface an audio interface
  • the connection terminal 178 may be a connector such as an HDMI connector, a USB connector, an SD card connector, or an audio connector that can physically connect the electronic device 101 and an external electronic device (e.g., the electronic device 102) (E.g., a headphone connector).
  • an HDMI connector such as an HDMI connector, a USB connector, an SD card connector, or an audio connector that can physically connect the electronic device 101 and an external electronic device (e.g., the electronic device 102) (E.g., a headphone connector).
  • the haptic module 179 may convert electrical signals into mechanical stimuli (e.g., vibrations or movements) or electrical stimuli that the user may perceive through tactile or kinesthetic sensations.
  • the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.
  • the camera module 180 can capture a still image and a moving image.
  • the camera module 180 may include one or more lenses, an image sensor, an image signal processor, or a flash.
  • the power management module 188 is a module for managing the power supplied to the electronic device 101, and may be configured as at least a part of, for example, a power management integrated circuit (PMIC).
  • PMIC power management integrated circuit
  • the battery 189 is an apparatus for supplying power to at least one component of the electronic device 101 and may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.
  • the communication module 190 is responsible for establishing a wired or wireless communication channel between the electronic device 101 and an external electronic device (e.g., electronic device 102, electronic device 104, or server 108) Lt; / RTI > Communication module 190 may include one or more communication processors that support wired communication or wireless communication, operating independently of processor 120 (e.g., an application processor).
  • the communication module 190 may include a wireless communication module 192 (e.g., a cellular communication module, a short range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (E.g., a local area network (LAN) communication module, or a power line communication module), and the corresponding communication module may be used to communicate with a first network 198 (e.g., Bluetooth, WiFi direct, Communication network) or a second network 199 (e.g., a telecommunications network such as a cellular network, the Internet, or a computer network (e.g., a LAN or WAN)).
  • a wireless communication module 192 e.g., a cellular communication module, a short range wireless communication module, or a global navigation satellite system (GNSS) communication module
  • GNSS global navigation satellite system
  • wired communication module 194 E.g., a local area network (LAN) communication module, or a power line communication module
  • the wireless communication module 192 may use the user information stored in the subscriber identification module 196 to identify and authenticate the electronic device 101 within the communication network.
  • the antenna module 197 may include one or more antennas for externally transmitting or receiving signals or power.
  • the communication module 190 e.g., the wireless communication module 192 may transmit signals to or receive signals from an external electronic device via an antenna suitable for the communication method.
  • Some of the components are connected to each other via a communication method (e.g., bus, general purpose input / output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI) (Such as commands or data) can be exchanged between each other.
  • a communication method e.g., bus, general purpose input / output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI) (Such as commands or data) can be exchanged between each other.
  • the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 via the server 108 connected to the second network 199.
  • Each of the electronic devices 102 and 104 may be the same or a different kind of device as the electronic device 101.
  • all or a portion of the operations performed in the electronic device 101 may be performed in another or a plurality of external electronic devices.
  • the electronic device 101 in the event that the electronic device 101 has to perform some function or service automatically or upon request, the electronic device 101 may be capable of executing the function or service itself, And may request the external electronic device to perform at least some functions associated therewith.
  • the external electronic device receiving the request can execute the requested function or additional function and transmit the result to the electronic device 101.
  • the electronic device 101 can directly or additionally process the received result to provide the requested function or service.
  • cloud computing, distributed computing, or client-server computing technology may be used.
  • FIG. 2 is a block diagram of an electronic device 200 in accordance with various embodiments.
  • the electronic device 200 includes a processor 210 (e.g., processor 120 of FIG. 1), a first sensor 220, an image sensor 230 (e. G. ), A display 240 (e.g., display 160 of FIG. 1), and a memory 250 (e.g., memory 130 of FIG. 1).
  • the electronic device 200 may omit at least one of the components or may additionally comprise other components.
  • Processor 210 may include one or more of a central processing unit, an application processor, or a communication processor (CP).
  • the processor 210 may perform, for example, operations or data processing related to control and / or communication of at least one other component of the electronic device 200.
  • CP communication processor
  • the first sensor 220 may, for example, measure a physical quantity or sense the operating state of the electronic device 200 to convert the measured or sensed information into an electrical signal.
  • the first sensor 220 may include an illuminance sensor 221, a proximity sensor 222, a pressure sensor 223, and a gyro sensor 224, for example.
  • the light intensity sensor 221 can acquire information about the light around the electronic device 200, for example.
  • Proximity sensor 222 may, for example, obtain information about an object proximate electronic device 200.
  • the pressure sensor 223 may obtain information about an object in contact with the electronic device 200, for example.
  • the gyro sensor 224 can detect the direction of the electronic device 200 using, for example, rotational inertia.
  • the image sensor 230 can measure the intensity of light by changing the amount of photons incident on the device into a current.
  • the image sensor 230 may include a photodiode and a pyroelectric detector.
  • the image sensor 230 can capture an image, and can acquire biometric information such as fingerprint information, heart rate information, blood oxygen saturation, skin hydration, blood sugar information, and blood pressure information.
  • Display 240 may include, for example, a panel, a hologram device, a projector, and / or control circuitry for controlling them.
  • the panel can be implemented, for example, flexible, transparent, or wearable.
  • the panel may comprise a touch panel and one or more modules.
  • the hologram device can display stereoscopic images in the air using the interference of light.
  • the projector can display images by projecting light onto the screen.
  • the screen may be located, for example, inside or outside the electronic device 200.
  • the memory 250 may store one or more programs executed by the processor 210 and may perform functions for temporary storage of input / output data.
  • the input / output data may include, for example, instructions for controlling the first sensor 220, the image sensor 230, and the display 240.
  • the electronic device 200 includes a display 240, an image sensor 230 disposed below the display 240, and a processor 210, Outputting the content using the display set to the first specified property value, measuring the amount of light for the light emitted from at least a part of the display using the image sensor, Setting the display to a second specified attribute value if the difference in the measured quantity of light meets a specified condition and setting the display to display the content or other content using the display set to the second specified attribute value .
  • the electronic device 200 may include a memory 250 for storing a current value supplied to the display 240 and a luminance value of the display 240 according to the current value, And the processor 210 may supply the display 240 with a current corresponding to the first specified property value and the second specified property value based on the first table.
  • the processor 210 of the electronic device 200 may update the first table based on setting the display 240 to the second specified property value.
  • the processor 210 of the electronic device 200 further includes a memory 250 for mapping the amount of light and the luminance value of the display 240 according to the amount of light to store it as a second table ,
  • the processor 210 may determine the output brightness value based on the measured light amount and the second table.
  • the electronic device 200 further includes a first sensor 220, wherein the processor 210 uses the first sensor 220 to control the electronic device 200, Based on the context information, whether the situation associated with the electronic device 200 satisfies a first condition, and if the first condition is satisfied, output the content.
  • the first sensor 220 of the electronic device 200 includes at least one of an illuminance sensor 221, a proximity sensor 222, a pressure sensor 223, or a gyro sensor 224 .
  • the first condition may be that the illuminance value around the electronic device 200 is within a certain range, there is no object located close to the electronic device 200, 200 may be less than a predetermined value, or the electronic device 200 may be positioned such that the display 240 is oriented upwards.
  • the processor 210 of the electronic device 200 determines whether it meets a second condition based on the measured amount of light, and if the second condition is met, So that the output luminance value can be determined.
  • the image sensor 230 of the electronic device 200 may obtain biometric information associated with the fingerprint information.
  • the processor 210 of the electronic device 200 is set to output the content according to a specified period of time, and the designated period is based on the frequency of use of the display 240 or the frequency of the brightness value To be changed.
  • the first specified property value and the second specified property value of the electronic device 200 further comprise a setting value for each of the sub-pixels (RGB) that constitute the pixels of the display .
  • FIG. 3 is a diagram illustrating an electronic device according to various embodiments.
  • the electronic device 300 may include a housing.
  • the housing includes, for example, a first plate P1 facing the first direction D1, a second plate P2 facing the second direction D2 opposite to the first direction D1, And a side member SM surrounding the space between the plate P1 and the second plate P2.
  • the electronic device 300 may orient the display 310, the first sensor 320, and the image sensor 330 through one side (e.g., the first plate Pl) of the housing .
  • the display 310 may be at least partially exposed, for example, through one side of the housing.
  • the display 310 may include, for example, a touch screen or a touch panel so as to perform a function of displaying an image and an input function of a user's touch.
  • the first sensor 320 may be formed to expose at least a part of the surface of the housing through which the display 310 is not exposed.
  • the first sensor 320 may include, for example, an illuminance sensor (e.g., the illuminance sensor 221 of FIG. 2) or a proximity sensor (e.g., the proximity sensor 222 of FIG. 2).
  • the first sensor 320 may be mounted at the lower end of the display 310 so as not to be exposed to the user.
  • the first sensor 320 may be mounted inside the display 310.
  • the image sensor 330 may be configured to acquire a portion of the light incident through the display 310 or a portion of the light emitted by the display 310.
  • the image sensor 330 may be oriented toward the outside of the electronic device 300 to obtain at least a portion of the light incident through the display 310 from outside the electronic device 300, for example.
  • the image sensor 330 may be disposed below the display 310 to obtain light incident from outside the electronic device 300 within the electronic device 300.
  • the image sensor 330 may be disposed below the display 310 to obtain a portion of the light output by the display 310. For example, if at least a portion of the light output from the display 310 is reflected on the glass cover and returns to the display 310, the image sensor 330 acquires at least a portion of the light returning to the display 310, Can be measured.
  • FIG. 4 is a cross-sectional view illustrating some stacked structures of an electronic device 400 according to various embodiments.
  • electronic device 400 (e.g., electronic device 300 of FIG. 3) includes a cover glass 410, a display 420 (e.g., display 310 of FIG. 3) (E.g., the image sensor 330 of FIG. 3) may be stacked.
  • a display 420 e.g., display 310 of FIG. 3
  • the image sensor 330 of FIG. 3 may be stacked.
  • the cover glass 410 may be formed of a transparent member (e.g., glass, plastic, etc.) so that the electrical information signal displayed by the display 420 can be recognized externally.
  • the cover glass 410 is disposed at, for example, the outermost end of the electronic device 400 and disperses or absorbs the pressure applied from the inside and the outside of the electronic device 400, ) Can be protected from external impact.
  • the display 420 may be disposed below the cover glass 410 and toward the cover glass 410.
  • the electrical information signal displayed by the display 420 can be recognized from the outside through the cover glass 410.
  • the image sensor 430 may be configured to obtain a portion of the light that is emitted from the display 420 or from the display 420 that is outside the electronic device 400.
  • the image sensor 430 may be disposed under the display 310 to obtain light incident from outside the electronic device 400 inside the electronic device 400, for example.
  • the image sensor 430 may reflect a portion of the light that is reflected back to the display 420, And the light amount can be measured.
  • a processor e.g., processor 210 of FIG. 2 uses an image sensor 430 to measure the amount of light for light emitted from at least a portion of display 420, The actual brightness of the display 420 can be determined based on the amount of light.
  • the image sensor 430 may be disposed in correspondence with the opening included in a part of the back cover 440 so as to obtain the light coming through the display 420.
  • an opening may be formed in a part of the back cover 440.
  • the image sensor 430 may be disposed at a location corresponding to the opening of the back cover 440 and may be configured to obtain at least a portion of the light coming through the display 420 at the lower end of the display 420.
  • image sensor 430 may be included as part of display 420.
  • the display 420 may include the image sensor 430 as part of the display 420.
  • the image sensor 430 may further include an infrared cutoff filter 431 so that the obtained image information is not affected by infrared rays.
  • the back cover 440 can prevent light or the like generated inside the electronic device 400 from affecting the display 240 or being emitted to the outside. In addition, it is possible to prevent the light output from the display 240 from entering into the electronic device 400.
  • the electronic device 400 may further include a first sensor (e.g., a first sensor 220) at a location corresponding to the image sensor 430.
  • a first sensor e.g., a first sensor 220
  • the image sensor 430 may detect biometric information (E.g., fingerprint information), and the first sensor may sense the pressure corresponding to the user input.
  • FIG. 5 is a flow chart illustrating a method of calibrating a display according to various embodiments.
  • a processor e. G., Processor 120 of FIG. 1 or processor 2 of FIG. 2 of an electronic device (e.g., electronic device 101 of FIG. 1 or electronic device 200 of FIG. 2) 210) may output the content using a display (e.g., display 160 of FIG. 1 or display 240 of FIG. 2) set to the first specified attribute value.
  • the first designated attribute value may include various parameters that affect the luminance or hue that the display 240 outputs.
  • the first specified attribute value may include a current value or a voltage value that feeds the display.
  • the first designated attribute value may comprise a first luminance setting value or a first color setting value.
  • the first brightness setting value may mean an amount of brightness to be output through the display 240 when the content is output, for example.
  • the first color setting value may mean a color to be output through the display 240 when outputting the content, for example.
  • the first luminance setting value and the first color setting value may be different from the actual luminance value and the actual color value output from the actual display 240.
  • the first designated property value may include a set value of each of the sub-pixels (RGB) constituting the pixels of the display.
  • the display 240 of the electronic device 200 may be set to a first specified attribute value.
  • the first designated attribute value may mean a predetermined default value of the system itself, for example, according to the setting of the electronic device 200.
  • the first designated attribute value may mean a corrected default value according to various embodiments of the present invention.
  • the electronic device 200 may provide a predetermined amount of current or voltage to the display 240 based on the first specified property value.
  • the memory 250 may store the current / voltage value supplied to the display 240 and the luminance value or the color value of the display 240 according to the current / voltage value as a first table.
  • the processor 210 determines the current / voltage value required for the display 240 to output the first brightness or the first color based on the first table and supplies the determined current / voltage value to the display 240 .
  • the content may refer to a preset screen for measuring the luminance value.
  • the content may include, for example, a white screen or a black screen.
  • the content may be displayed only in at least some areas of the display 240 corresponding to the image sensor.
  • the processor 210 can check whether the status information associated with the electronic device 200 satisfies the first condition, and output the content.
  • the first condition may be, for example, that the illuminance value around the electronic device 200 is within a certain range, that there is no object located close to the electronic device 200, The pressure may be below a certain value, or the electronic device 200 may be positioned such that the display 240 is facing up. Details related to this will be described later with reference to FIG.
  • the processor 210 may output the content according to a specified period. Since the performance degradation of the display 240 occurs based on usage and / or time, the brightness value correction procedure of the display 240 is performed according to a predetermined period (for example, one week, one month, one branch, etc.) . In some embodiments, the processor 210 may update the specified period in consideration of the frequency of use of the display 240 and / or the brightness value.
  • the processor 210 of the electronic device 200 can measure the amount of light for light emitted from at least a portion of the display 240 using an image sensor.
  • the display 240 that outputs the content may operate as a light source.
  • the display 240 outputs light to display the content, and most of the light output by the display 240 can be emitted through the class cover.
  • a part of the light output from the display 240 is reflected on the cover glass again and returns to the display 240, and the image sensor 230 obtains at least a part of the light reflected back to the display 240
  • the processor 210 may determine the actual output luminance value of the display 240 based on the measured amount of light, according to various embodiments.
  • the memory 250 may store the light amount and the luminance value of the display 240 according to the light amount as a second table.
  • the processor 210 obtains a portion of the light returning to the display 240 to measure the amount of light for the light emitted from the display 240 and determines the amount of light emitted by the display 240 based on the measured amount of light and the second table The actual output luminance value can be determined.
  • the processor 210 may measure the amount of photons incident on the image sensor, for example, by changing the current or voltage, and calculate the brightness (e.g., nit) based thereon.
  • the processor 210 may determine whether the context information associated with the electronic device 200 meets the second condition based on the measured light amount. For example, if an object is located in close proximity to the image sensor, the object may reflect a significant amount of the light emitted by the display 240, so an incorrect output brightness value can be determined. Accordingly, the electronic device 200 can check whether or not there is an object close to the image sensor based on the measured light amount. If there is an object in proximity to or in contact with the image sensor, the amount of light measured at this time may be very large due to light reflected on the object. In consideration of this feature, the processor 210 can check whether the measured light amount exceeds a preset light amount value.
  • the processor 210 determines that the second condition is satisfied and can determine the actual output luminance value or the color value to be output using the display 240.
  • the processor 210 can determine whether the measured light amount exceeds the preset predetermined criterion (750 nit) and determine whether the second condition is satisfied.
  • the processor 210 of the electronic device 200 displays the display 240 with the second specified property value if the difference between the light quantity according to the first designated property value and the measured light quantity satisfies the specified condition, Can be set.
  • the display 240 may be degraded in performance as it continues to be used. For example, the display 240 receiving the predetermined amount of current and outputting the first luminance value may not be able to output the first luminance value even if the predetermined amount of current is supplied as the use continues.
  • the processor 210 of the electronic device 200 can identify the difference between the amount of light and the amount of light measured according to the first specified attribute value. For example, if the light quantity according to the first specified attribute value is 700nit and the measured light quantity is 600nit, the difference between the light quantity according to the first specified attribute value and the measured light quantity may be 100nit.
  • the processor 210 of the electronic device 200 can verify that it meets a specified condition based on the amount of light and the amount of light measured according to the first specified property value.
  • the specified condition may include, for example, that the amount of light according to the first specified attribute value and the difference between the measured amount of light are greater than a certain value (e.g., 50nit). For example, if the light amount according to the first specified attribute value and the difference between the measured light amounts is 100 nit, it can be determined that the specified condition is satisfied.
  • the processor 210 of the electronic device 200 may set the display 240 to a second specified attribute value if the specified condition is met.
  • the second specified attribute value may include various parameters that affect, for example, the luminance or color output by the display 240.
  • the second specified attribute value may include a current value or a voltage value to supply to the display.
  • the second specified attribute value may comprise a second luminance setting value or a second color setting value.
  • the second specified property value may comprise a setting value for each of the sub-pixels (RGB) constituting the pixels of the display.
  • the second specified attribute value may include settings for each of the three subpixels, red (R), green (G), and blue (B), which are subpixels of the display. This is because the speed at which the performance degrades may be different for each color constituting the subpixel. For example, a blue (B) subpixel may degrade performance faster than a red (R) subpixel.
  • the set value of each of the sub pixels (RGB) may include a current value or a voltage value to supply to each of the sub pixels. For example, the current value or voltage value supplied to the blue (B) subpixel whose performance is rapidly degraded may be higher than the current value or the voltage value supplied to the red (R) subpixel.
  • the second specified attribute value is determined based on a first table mapping the luminance value of the display 240 according to the current / voltage value supplied to the display 240 and the current / voltage value .
  • a second luminance value having a luminance value that is at least higher than the first luminance value may be selected based on the first table, and the display 240 may be set to the selected second luminance value.
  • the processor 210 of the electronic device 200 may display the content or other content using the display 240 set to the second specified property value.
  • the processor 210 may supply the display 240 with a current / voltage corresponding to a second specified property value based on the first table.
  • the processor 210 may measure the amount of light for the display 240 using the image sensor. When the light amount is measured, the processor 210 can confirm the difference between the light amount according to the second specified attribute value and the measured light amount. At this time, if the difference between the light quantity according to the second designated property value and the measured light quantity still satisfies the specified condition, the display 240 can be set to the third specified property value. For example, a third luminance value having a luminance value at least higher than the second luminance value may be selected based on the first table, and the display 240 may be set to the selected third luminance value.
  • the first table may be updated based on setting the display 240 to a second specified property value.
  • the processor 210 measures the amount of light of the display 240 using the image sensor 230, determines an output luminance value according to the measured amount of light, and supplies the determined output luminance value to the current /
  • the first table can be updated in correspondence with the voltage value.
  • the processor 210 may provide a notification to the user via the display 240 if the display 240 can not be set to the second specified attribute value. For example, processor 210 may not be able to set display 240 to a second specified attribute value if it is providing maximum power to provide a first specified attribute value. At this time, the processor 210 may display a notification of recommending replacement of the display 240 through the user interface.
  • the processor 210 may determine whether the context information associated with the electronic device 200 satisfies the first condition and perform the operations of FIG. This is because the correction of the display 240 must be performed under uniform conditions. For example, if the output brightness value of the display 240 is measured in an environment with high ambient illumination, an incorrect output brightness value can be determined, and accordingly, the display can be corrected incorrectly. Accordingly, the processor 210 may first confirm the peripheral situation information of the electronic device 200, and then perform the operations related to Fig.
  • the processor 210 of the electronic device 200 may obtain status information associated with the electronic device 200 using the first sensor 220.
  • the first sensor 220 may include at least one of an illuminance sensor 221, a proximity sensor 222, a pressure sensor 223, or a gyro sensor 224.
  • the light intensity sensor 221 can acquire information about the light around the electronic device 200, for example.
  • Proximity sensor 222 may, for example, obtain information about an object proximate electronic device 200.
  • the pressure sensor 223 may obtain information about an object in contact with the electronic device 200, for example.
  • the gyro sensor 224 can detect the direction of the electronic device 200 using, for example, rotational inertia.
  • the processor 210 of the electronic device 200 can check whether the status associated with the electronic device 200 satisfies the first condition based on the context information.
  • light around the electronic device 200 can affect the measurement of the amount of light for the display 240.
  • the correction of the display 240 can proceed to a dark state. More specifically, when the processor 210 determines that the illuminance value around the electronic device 200 acquired using the illuminance sensor 221 is within a predetermined range (for example, 10 lux or less), the processor 210 .
  • an object in close proximity to or in contact with the electronic device 200 can reflect the light emitted from the display 240, thus affecting the measurement of the amount of light for the display 240.
  • the correction of the display 240 can proceed without any surrounding objects. More specifically, the processor 210 confirms that there is no object positioned close by using the proximity sensor 222, or confirms that the pressure is less than a predetermined value (for example, 10 Pa) by using the pressure sensor 223 , It can be determined that the first condition is satisfied.
  • a predetermined value for example, 10 Pa
  • the processor 210 can determine the state of the electronic device 200 using the gyro sensor 224 and determine that the display 240 meets the first condition if it is determined that the display 240 is facing upward.
  • the processor 210 of the electronic device 200 may output the content if it satisfies the first condition. For example, operation 510 of FIG. 5 may be performed.
  • a method of calibrating an electronic device including a display includes the steps of: (510) outputting content using a display set to a first specified property value; Measuring (520) the amount of light for light emitted from at least a portion of the display; if the difference between the amount of light according to the first specified attribute value and the measured amount of light satisfies a specified condition, Setting the display (530), and displaying (540) the content or other content using the display set to the second specified property value.
  • a method of calibrating an electronic device including a display is based on a first table mapping a current value supplied to the display and a luminance value of the display according to the current value, And supplying the display with a current corresponding to the specified attribute value and the second specified attribute value, respectively.
  • a method of calibrating an electronic device including a display may further comprise updating the first table based on setting the display to the second specified property value .
  • a method of calibrating an electronic device including a display includes: obtaining (610) status information associated with the electronic device using a first sensor; Determining (620) based on the contextual information whether a situation associated with the electronic device satisfies a first condition; And, if the first condition is satisfied, outputting the content (630).
  • the first condition of the method of calibrating an electronic device comprising a display is that an illuminance value around the electronic device is within a certain range, an object located close to the electronic device
  • the pressure on the electronic device may be less than a predetermined value, or the electronic device may be positioned such that the display faces up.
  • a method of calibrating an electronic device including a display may further include obtaining biometric information associated with fingerprint information using the image sensor.
  • a method of calibrating an electronic device including a display wherein the operation of outputting the content is performed according to a specified period, and the designated period is determined based on a frequency of use of the display or a correction frequency of a luminance value And is changed on the basis of the following formula
  • the first specified property value and the second specified property value of the method for calibrating an electronic device including a display are determined by a current value or a voltage value supplied to the display, A display setting value, and a color setting value of the display.
  • the electronic device can be various types of devices.
  • the electronic device can include, for example, at least one of a portable communication device (e.g., a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance.
  • a portable communication device e.g., a smart phone
  • a computer device e.g., a laptop, a desktop, a smart phone
  • portable multimedia device e.g., a portable multimedia device
  • portable medical device e.g., a portable medical device
  • camera e.g., a camera
  • a wearable device e.g., a portable medical device
  • first component is "(functionally or communicatively) connected” or “connected” to another (second) component, May be connected directly to the component, or may be connected through another component (e.g., a third component).
  • module includes units comprised of hardware, software, or firmware and may be used interchangeably with terms such as, for example, logic, logic blocks, components, or circuits.
  • a module may be an integrally constructed component or a minimum unit or part thereof that performs one or more functions.
  • the module may be configured as an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • Various embodiments of the present document may include instructions stored on a machine-readable storage medium (e.g., internal memory 136 or external memory 138) readable by a machine (e.g., a computer) Software (e.g., program 140).
  • the device may include an electronic device (e.g., electronic device 101) in accordance with the disclosed embodiments as an apparatus capable of calling stored instructions from the storage medium and operating according to the called instructions.
  • a processor e.g., processor 120
  • the processor may perform the function corresponding to the instruction, either directly or using other components under the control of the processor.
  • the instructions may include code generated or executed by the compiler or interpreter.
  • a device-readable storage medium may be provided in the form of a non-transitory storage medium.
  • 'non-temporary' means that the storage medium does not include a signal and is tangible, but does not distinguish whether data is stored semi-permanently or temporarily on the storage medium.
  • the method according to various embodiments disclosed herein may be provided in a computer program product.
  • a computer program product can be traded between a seller and a buyer as a product.
  • a computer program product may be distributed in the form of a machine readable storage medium (eg, compact disc read only memory (CD-ROM)) or distributed online through an application store (eg PlayStore TM ).
  • an application store eg PlayStore TM
  • at least a portion of the computer program product may be temporarily stored, or temporarily created, on a storage medium such as a manufacturer's server, a server of an application store, or a memory of a relay server.
  • Each of the components may be comprised of a single entity or a plurality of entities, and some of the subcomponents described above may be omitted, or other subcomponents May be further included in various embodiments.
  • some components e.g., modules or programs

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Multimedia (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

Dans divers modes de réalisation, l'invention concerne un dispositif électronique comprenant : un affichage ; un capteur d'image disposé sous l'affichage ; et un processeur, ce dernier pouvant être configuré pour : émettre en sortie un contenu au moyen de l'affichage réglé sur une première valeur de caractéristique déterminée ; utiliser le capteur d'image pour mesurer la quantité de lumière émise à partir d'au moins une partie de l'affichage ; régler l'affichage sur une deuxième valeur de caractéristique déterminée lorsque la différence entre la quantité de lumière selon la première valeur de caractéristique déterminée et la quantité mesurée de lumière satisfait une condition déterminée ; et afficher ledit contenu ou un autre contenu au moyen de l'affichage réglé sur la deuxième valeur de caractéristique déterminée. D'autres modes de réalisation sont également possibles
PCT/KR2018/010082 2017-09-04 2018-08-30 Dispositif électronique comprenant un affichage et procédé de correction associé Ceased WO2019045497A1 (fr)

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KR102811406B1 (ko) * 2019-11-22 2025-05-22 삼성전자주식회사 광 센서를 이용하여 디스플레이를 제어하는 전자 장치 및 방법
KR102739908B1 (ko) * 2020-06-22 2024-12-09 삼성전자주식회사 디스플레이의 배면에 위치하는 조도 센서를 포함하는 전자 장치
KR102791013B1 (ko) 2020-08-05 2025-04-02 삼성전자주식회사 이미지 센서를 포함하는 전자 장치
KR20220021961A (ko) 2020-08-13 2022-02-23 삼성전자주식회사 전자 장치 및 전자 장치의 동작 방법
KR102851083B1 (ko) 2020-09-21 2025-08-27 삼성전자 주식회사 조도 센서를 교정하는 전자 장치
CN116710880B (zh) 2021-01-14 2025-08-08 三星电子株式会社 电子装置和亮度调节方法
KR20220102715A (ko) * 2021-01-14 2022-07-21 삼성전자주식회사 전자 장치 및 밝기 조절 방법
WO2023018219A1 (fr) 2021-08-10 2023-02-16 삼성전자 주식회사 Dispositif électronique comprenant un affichage et une caméra, et son procédé de commande
KR102878298B1 (ko) * 2021-09-01 2025-10-29 삼성전자 주식회사 디스플레이를 포함하는 전자 장치 및 그 동작 방법

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