Abstract: The present disclosure provides an adhesive tape, a backlight module, a display device, and a method for manufacturing a backlight module. The adhesive tape includes: an adhesive body layer; an expandable structure layer on a side of the adhesive body layer and configured to fill a gap between the adhesive tape and a light guide plate of a backlight module through an expansion of the expandable structure layer.

Abstract: A thickness detector device and method, a detector system and a slot device are provided, and the thickness detector device includes: a base, which has a side wall provided with a through slot that penetrates through the base; a slot component at the base and has n slots, n being an integer greater than 1, and a width of each slot being less than a width of the through slot; a driver component which is provided on the base, is in a fixed connection with the slot component, and is configured to change the slot that is in the slot component and is in communication with the through slot by driving the slot component to move.

Abstract: A base film for a light diffusion film includes a transparent polymer layer, which comprises a plurality of nanopores, and liquid crystal filled in the plurality of nanopores. A light diffusion film, a display device, and production methods thereof are also disclosed.

Abstract: A reflector, and a method for controlling the same, a backlight module, and a display device are provided in the embodiments of the disclosure, the reflector including a first electrode layer and a second electrode layer opposite to and spaced apart from each other; the first electrode layer and the second electrode layer are configured to form a variable electrical field between the first electrode layer and the second electrode layer in response to electrical signals applied respectively on the first electrode layer and the second electrode layer; and light reflective particles and light absorptive particles are distributed in a space therebetween, the light reflective particles and the light absorptive particles being charged oppositely, the light reflective particles reflecting light rays while the light absorptive particles absorbing light rays, respectively.