Patent ID: 9723297
Date: 2017-08-01
CPC Classifications: G02B,H04N

Claim:
1. A three-dimensional (3D) display device, comprising: a collimated backlight comprising a first sub-backlight source utilized to emit an outgoing light with a first spectrum and a second sub-backlight source utilized to emit an outgoing light with a second spectrum; a display module utilized to display images according to data signals, scanning signals, and the outgoing light of the collimated backlight, the display module comprising a plurality of sub-pixel units, the display module displaying a left-eye image with the illumination of the first sub-backlight source of the first spectrum and displaying a right-eye image with the illumination of the second sub-backlight of the second spectrum in time sequential manner; an interference filter comprising a plurality of interference filter units, each of the interference filter units corresponding to at least one of the sub-pixel units, wherein the plurality of interference filter units comprises alternatively arranged first interference filter unit utilized to filter the outgoing light with the first spectrum and a second interference filter unit utilized to filter the outgoing light with the second spectrum; and a lens array comprising a plurality of lens units utilized to converge an outgoing light from the first interference filter unit and to converge an outgoing light from the second interference filter unit for achieving a naked-eye 3D display; wherein the lens units correspond one-to-one with the interference filter units of the interference filter; the lens units are lenticular lens units or spherical lens units.