Patent ID: 9274397
Filing Date: 2016-03-01
CPC Classification: G02F,G09G

Claim Text:
1. A reflective display device, comprising: a drive array substrate; an electrophoretic display film, disposed on the drive array substrate and comprises a plurality of display mediums, wherein each of the display mediums comprises an electrophoresis buffer and a plurality of black charged particles and a plurality of white charged particles distributed in the electrophoresis buffer; a reflective optical film, disposed on the electrophoretic display film, wherein the reflective optical film comprises an optical film layer and a plurality of optical microstructures disposed on the optical film layer; and a light source module, disposed beside the reflective optical film, the reflective optical film reflecting light generated by the light source module to the electrophoretic display film, wherein the density of the optical microstructures gradually increases from a side adjacent to the light source module to a side away from the light source module, and the light source module comprises a plurality of first-color light sources, a plurality of second-color light sources and a plurality of third-color light sources, which are switched on in sequence, wherein the reflective display device is in a color display mode when the light source module is turned on, and the reflective display device is in a monochrome display mode when the light source module is turned off.