The invention discloses a luminous module hidden under a
mobile phone screen. The luminous module includes a screen component, a micro backlight illuminating
system installed under the screen component, a
liquid crystal display (LCD) screen arranged under a
glass cover plate, and a
light guide plate which is arranged under the LCD screen and used for illuminating the LCD screen; the screen component includes the
glass cover plate; a second through hole is formed in the center of the
light guide plate, a second luminous component can be arranged under a
light guide component according to needsto achieve the luminous effect, and an imaging
system can be arranged under the light guide component to achieve the function of flashing and imaging integration. The luminous module is simple in structure, low in cost, long in life and good in reliability, meanwhile, dark spots, caused by opened holes of the light guide plate, on the display screen can be eliminated, the luminous module can be applied in ordinary LCD touch screens, flash lamps,
iris recognition or 3D imaging
structured light and other under-screen luminous modules.