Input device with backlight function and backlight color adjustment method thereof
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United States of America Patent
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Jul 18, 2023
Grant Date -
Apr 6, 2023
app pub date -
Nov 24, 2021
filing date -
Oct 6, 2021
priority date (Note) -
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Abstract
An input device with a backlight function and a backlight color adjustment method are provided. The input device with the backlight function includes a casing, plural color light-emitting elements, a control module and a charge-coupled device. The control module provides electric power to at least two selected color light-emitting elements through a power supply circuit. By the control module, the chromaticity value of a mixed white light beam from the color light-emitting element is adjusted to be consistent with the chromaticity value of a white light beam, and the luminance value of the mixed white light beam from the color light-emitting element is adjusted to be consistent with the luminance value of the white light beam.
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