Display device and control method thereof
A display device is disclosed. The display device includes: a display, a sensor, a plurality of light emitting diodes (LEDs) provided in one region of the display and emitting light in different colors, and at least one processor, comprising processing circuitry. At least one processor, individually and/or collectively, according to an example can identify at least one of color information and brightness information corresponding to the plurality of LEDs, on the basis of RGB grayscale data of a pixel corresponding to a specified region of interest, from an image provided through the display, obtain ambient information, on the basis of sensing data obtained through the sensor, modify the identified information on the basis of the ambient environment information, and control light-emitting states of the plurality of LEDs on the basis of the modified information.
1 . A display device, comprising:
a display;
an illuminance sensor and a color sensor;
a plurality of light emitting diodes (LEDs) provided at one region of the display and configured to emit light in different colors; and
at least one processor, comprising processing circuitry, individually and/or collectively, configured to:
identify, from an image provided through the display, a specified region of interest preset to correspond to a type of the image,
identify LED color information and LED brightness information corresponding to the plurality of LEDs based on red, green, blue pixel (RGB) grayscale data of pixels corresponding to the specified region of interest,
obtain surrounding color information and surrounding brightness information of a surrounding environment based on sensing data obtained through the illuminance sensor and the color sensor,
modify the LED color information and the LED brightness information based on the surrounding color information and a specified lighting mode, wherein the specified lighting mode is based on at least one from among a user command, a use history, or type of the image, and comprises at least one from among a contrast color mode or a similar color mode;
control a light emitting state of the plurality of LEDs based on the modified LED color information and the specified lighting mode; and
modify a grayscale value of a specific color included in the surrounding color information differently according to whether the specified lighting mode is the contrast color mode or the similar color mode.
2 . The display device of claim 1 , wherein
at least one processor, individually and/or collectively, is configured to:
obtain a gain value proportionate to the obtained surrounding brightness information, and
modify brightness information by applying the obtained gain value to the brightness information corresponding to the plurality of LEDs.
3 . The display device of claim 1 , wherein
at least one processor, individually and/or collectively, is configured to:
obtain, based on the obtained surrounding brightness information being identified as less than or equal to a first threshold value, a gain value for reducing brightness corresponding to the plurality of LEDs, and
modify brightness information by applying the gain value to the brightness information corresponding to the plurality of LEDs.
4 . The display device of claim 1 , wherein
at least one processor, individually and/or collectively, is configured to:
obtain, based on the obtained surrounding brightness information being identified as greater than or equal to a second threshold value, a gain value for increasing brightness corresponding to the plurality of LEDs, and
modify brightness information by applying the gain value to the brightness information corresponding to the plurality of LEDs.
5 . The display device of claim 1 , wherein
at least one processor, individually and/or collectively, is configured to:
in the contrast color mode,
increase, based on a grayscale value of a specific color included in the surrounding color information being relatively lower than grayscale values of remaining colors, the grayscale value of the specific color corresponding to the plurality of LEDs, and
reduce, based on the grayscale value of the specific color included in the surrounding color information being relatively higher than the grayscale values of the remaining colors, the grayscale value of the specific color corresponding to the plurality of LEDs.
6 . The display device of claim 1 , wherein
at least one processor, individually and/or collectively, is configured to:
in the similar color mode,
reduce, based on a grayscale value of a specific color included in the surrounding color information being relatively lower than grayscale values of remaining colors, the grayscale value of the specific color corresponding to the plurality of LEDs, and
increase, based on the grayscale value of the specific color included in the surrounding color information being relatively higher than the grayscale values of the remaining colors, the grayscale value of the specific color corresponding to the plurality of LEDs.
7 . The display device of claim 1 , further comprising:
a memory which stores information on regions of interest for each content type,
wherein at least one processor, individually and/or collectively, is configured to:
set, based on information associated with the content type being selected, a region of interest corresponding to the selected content type based on the information stored in the memory.
8 . The display device of claim 7 , wherein
the information on regions of interest for each content type comprises information on different positions in the image for each content type, and
the different positions in the image comprises at least one from among a center region, a left lower end region, or a right lower end region of the image.
9 . A method of controlling a display device comprising a plurality of light emitting diodes (LEDs) configured to emit light in different colors, the method comprising:
identifying, from an image provided through the display, a specified region of interest preset to correspond to a type of the image,
identifying LED color information and LED brightness information corresponding to the plurality of LEDs based on RGB grayscale data of pixels corresponding to the specified region of interest;
obtaining surrounding color information and surrounding brightness information of a surrounding environment based on sensing data obtained through a illuminance sensor and a color sensor;
obtaining surrounding color information and surrounding brightness information of a surrounding environment based on sensing data obtained through a illuminance sensor and a color sensor;
modifying the LED color information and the LED brightness information based on the surrounding color information and a specified lighting mode, wherein the specified lighting mode based on at least one from among a user command, a use history, or type of the image, and comprises at least one from among a contrast color mode or a similar color mode; and
controlling a light emitting state of the plurality of LEDs based on the modified LED color information and the specified lighting mode,
wherein the modifying comprises modifying a grayscale value of a specific color included in the surrounding color information differently according to whether the specified lighting mode is the contrast color mode or the similar color mode.
10 . The method of claim 9 , wherein
the modifying the identified LED brightness information comprises:
obtaining a gain value proportionate to the obtained surrounding brightness information; and
modifying brightness information by applying the obtained gain value to the brightness information corresponding to the plurality of LEDs.