Patent ID: 8040460

Claim:
An electronic paper display device, comprising: a thin film transistor array substrate, wherein the thin film transistor array substrate comprises: a first substrate; a first metal layer disposed on the first substrate, wherein the first metal layer includes a plurality of scan lines and a plurality of gate electrodes electrically connected to the scan lines; a dielectric layer disposed on the first substrate and covers the first metal layer; a second metal layer disposed on the dielectric layer, wherein the second metal layer includes a plurality of data lines, a plurality of source electrodes electrically connected to the data lines and a plurality of drain electrodes; a channel layer disposed over the dielectric layer and among the source electrodes, the gate electrodes and the drain electrodes; a protection layer disposed on the second metal layer and the channel layer; a first resin layer disposed on the protection layer; a pixel electrode layer disposed on the first resin layer, wherein the pixel electrode layer includes a plurality of pixel electrodes; a second resin layer disposed on the pixel electrode layer; and a display panel disposed on one side of the thin film transistor array substrate, wherein the display panel comprises: a second substrate; a transparent electrode layer disposed on the second substrate; and an electronic ink material layer between the transparent electrode layer and the thin film transistor array substrate.