Abstract: A light guiding structure, a light source module and a display module are disclosed. The light guiding structure includes a light guiding body and at least one light guiding cavity disposed in the light guiding body. The light guiding body includes a light incident surface and a light exit surface which are disposed opposite to each other. Each light guiding cavity includes a first end close to the light incident surface of the light guiding body and a second end away from the light incident surface of the light guiding body, and the light guiding cavity extends from the first end to the second end.

Abstract: A light source module and method for manufacturing the same, and a display module, and the light source module includes a light source; a light guide structure; an optical control layer arranged on the first surface of the light guide structure and a plurality of optical structures arranged at intervals at least in a first direction, and the first direction is perpendicular to the light incident surface, each of the plurality of optical structures includes a groove in the optical control layer, and the groove forms an opening in the third surface, each of the plurality of optical structures includes a first optical surface, a second optical surface, a third optical surface, and a fourth optical surface, and the first optical surface, the second optical surface, the third optical surface, and the fourth optical surface are sequentially away from the light incident surface in the first direction.

Abstract: A light guiding structure, a light source module and a display module are disclosed. The light guiding structure includes a light guiding body and at least one light guiding cavity disposed in the light guiding body. The light guiding body includes a light incident surface and a light exit surface which are disposed opposite to each other. Each light guiding cavity includes a first end close to the light incident surface of the light guiding body and a second end away from the light incident surface of the light guiding body, and the light guiding cavity extends from the first end to the second end.

Abstract: The present disclosure provides a light source module, a method of manufacturing a light source module, and a display module. The light source module includes: a light source; a light guide structure including a light incident surface; an optical control layer including a first surface away from the light guide structure and a second surface facing the light guide structure; and at least two optical structures arranged in the optical control layer and configured to adjust a light incident on the optical structures. Each optical structure includes a groove located in the optical control layer and a low refractive index material portion filled in the groove, and the low refractive index material portion has a refractive index less than that of the optical control layer body; and each optical structure includes a first optical surface and a second optical surface.

Abstract: A back light unit and a display device are proposed. The back light unit includes a light guide plate and multiple light emitting diodes, wherein the multiple light emitting diodes are disposed on a light entrance surface of a side end of the light guide plate, the light entrance surface of the light guide plate is disposed with at least one groove, and the at least one groove is disposed between at least part of adjacent light emitting diodes.