Illumination assembly and display module

摘要

An illumination assembly is adapted to illuminate a display module that is visible by reflecting environmental lights. The illumination assembly includes a substrate, a visual-light source, and a light guide. The substrate includes a top surface. The visual-light source is disposed on the top surface and is provided for emitting a visual light. The light guide is disposed corresponding to the top surface of the substrate. The light guide includes a light-incidence surface and a light-emergence surface. The visual light enters the light guide through the light-incidence surface and is reflected at least once. The visual light then exits the light guide through the light-emergence surface and travels along a light-emergence direction.

主权项

1. A display module, comprising:
a substrate, comprising a side; at least a visual-light source, disposed at the side of the substrate for emitting a visual light; a reflective display panel, only being visible by reflecting an environment light, disposed on the substrate for displaying a screen image on a viewing surface to be read by a user under the environment light; and a light guide, transparent and disposed corresponding to the side of the substrate, the light guide comprising a first light-guiding section and a second light-guiding section that connect to each other in a substantially perpendicular manner to guide the visual light emitted from the visual-light source along a light-incidence direction, so that the visual light is reflected at least once in the light guide and then exits the light guide along a light-emergence direction different from the light-incidence direction, wherein the first light-guiding section has a light-incidence surface at an end to face the visual-light source to receive the emitted visual light, the second light-guiding section is adjacent to and substantially disposed only upon a side edge of the viewing surface of the reflective display panel and has a light-emergence surface at an end to have the reflected visual light exit, so that the reflected visual light exited from the light-emergence surface will laterally travel along the viewing surface of the reflective display panel and be reflected by the viewing surface.