https://www.analog.com/jp/resources/design-notes/pwm-sets-output-of-lcdled-driver.html
PWM Sets Output of LCD/LED Driver | Analog Devices
Pulse-width-modulation (PWM) output available from many microprocessors is suitable for adjusting the output of an LCD driver
lcd led driverpwmsetsoutputanalog
https://www.electronicdesign.com/markets/lighting/article/21793433/led-driver-backlights-lcd-tvs
LED Driver Backlights LCD TVs | Electronic Design
Adjustable to match specific drive voltages, the R2A50106FT LED driver for backlights in LCD TVs enables a 20% reduction in system power consumption.
led driverlcd tvsbacklightselectronicdesign