backlights

/B AE1 K L AY0 T S/
noun
  1. 1

    A spotlight that illuminates a photographic subject from behind.

  2. 2

    Light that is behind a photographic subject.

  3. 3

    A light attached to an LCD display.

  4. 4

    The rear window of a motor car.

Source: https://en.wiktionary.org/wiki/backlight, https://en.wiktionary.org/wiki/backlights