3D display device and driving method thereof

  • US 10,523,927 B2
  • Filed: 12/23/2015
  • Issued: 12/31/2019
  • Est. Priority Date: 08/20/2015
  • Status: Active Grant
First Claim
Patent Images

1. A 3D display device, comprising a grating and a display panel, the grating being divided into a bright grating cell and a dark grating cell, wherein the grating comprises:

  • a substrate; and

    a plurality of OLED light emitting devices arranged on the substrate,wherein at least a first part of the plurality of OLED light-emitting devices which emit light when an operating voltage is applied thereto form the bright grating cell, and a second part of the plurality of OLED light-emitting devices which do not emit light form the dark grating cell;

    wherein the grating comprises a first grating layer, an insulating layer and a second grating layer which are laminated on the substrate, the first grating layer comprises a first electrode layer, a first light-emitting layer and a second electrode layer laminated together, and the second grating layer comprises a third electrode layer, a second light-emitting layer and a fourth electrode layer laminated together; and

    wherein,the first electrode layer includes a plurality of first strip electrodes longitudinally extending and spaced-apart from each other, the first strip electrodes being connected to a first voltage signal terminal for providing a first voltage signal,the third electrode layer includes a plurality of second strip electrodes longitudinally extending and spaced-apart from each other, the second strip electrodes each connected to a second voltage signal terminal for providing a second voltage signal, and a vertical projection of the second strip electrodes on the substrate and a vertical projection of the first strip electrodes on the substrate being alternately arranged in the transverse direction, andthe second electrode layer and the fourth electrode layer each include a plane electrode connected to a third voltage signal terminal for supplying a third voltage signal.

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