Thin border displays

摘要

A thin border display for an electronic device may comprise an optical assembly that includes a support frame and an electrophoretic display (EPD) structure attached to the support frame in a manner that allows for the display of the electronic device to exhibit a “thin border” or “borderless” look at a periphery of the electronic device. A portion of the EPD structure may at least partly curve around a curved portion of the support frame, the curved portion of the support frame being near the periphery of the support frame. In some embodiments, an electrode may be disposed at a periphery of the display to drive the margin of the display for achieving a thin border/borderless appearance. The EPD structure may include a backplane substrate that is either rigid or flexible.

主权项

1. An optical assembly for a display of an electronic device, the optical assembly comprising:
a support frame having a substantially rectangular shape, the support frame comprising a front face, the support frame having:
a first flat portion around a periphery of the support frame;a second flat portion at a center of the support frame; anda curved step located between the first flat portion and the second flat portion; and an electrophoretic display structure attached to the support frame, the electrophoretic display structure comprising:
a rigid thin film transistor (TFT) array substrate disposed on the second flat portion;an electrode disposed on the rigid TFT array substrate at a periphery of the rigid TFT substrate and extending beyond an outer edge of the rigid TFT array substrate;an electrophoretic layer disposed on, and covering, the electrode and the rigid TFT array substrate;a transparent conductive layer disposed on the electrophoretic layer; anda transparent protective substrate disposed on the transparent conductive layer, and wherein the electrode, the electrophoretic layer, the transparent conductive layer, and the transparent protective substrate, at their respective peripheries, at least partly curve over the curved step of the support frame.