Method of acquiring outside luminance using camera sensor and electronic device applying the method
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United States of America Patent
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Jul 19, 2022
Grant Date -
Jul 23, 2020
app pub date -
Jan 16, 2020
filing date -
Jan 17, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
According to various embodiments, an electronic device includes a housing, a display viewable through a front surface of the housing and configured to display a screen, a camera sensor disposed in at least a portion of the front surface of the housing and configured to measure an external illuminance, a processor operationally connected to the display and the camera sensor; and a memory operationally connected to the processor. The memory may store instructions that, when executed, cause the processor to control the electronic device to: detect an turn-on event of the display, turn on the camera sensor to acquire the external illuminance using the camera sensor based on the display being turned on, acquire preview image information for a specified time through the camera sensor, turn off the camera sensor, acquire the external illuminance using an exposure time and a brightness value based on the acquired preview image information, and control a luminance of the display based on the external illuminance.
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