noun
light spot; luminous dot; blip
General term for a small, bright point of light, such as a radar blip or a glowing dot on a screen.
レーダーに輝点が現れた。
A blip appeared on the radar.
暗闇に小さな輝点が見えた。
I saw a small luminous dot in the darkness.
noun
stuck pixel; always-on pixel
Technical term for a defective pixel on an LCD display that remains constantly lit.
液晶画面に輝点が一つある。
There is one stuck pixel on the LCD screen.