Title:
DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2018189742
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a display device capable of suppressing visibility of a non-image region caused by a non-pixel region present between pixel regions of an image source.SOLUTION: A display device 1 includes an image source 11 that has an array of a plurality of pixel regions and emits image light, a lens 12 that enlarges the image light to exit to an observer side, and an optical sheet 20 disposed between the image source 11 and the lens 12 or on the observer side of the lens 12. The optical sheet 20 has two or more optical layers stacked, in which a plurality of first convex or concave unit shapes is formed on an interface between adjoining optical layers, and a plurality of second convex or concave unit shapes is formed on another interface between adjoining optical layers or on an interface between the optical layer and air. When the optical sheet is viewed in the thickness direction, extension directions of the first unit shapes and the second unit shapes are orthogonal to each other.SELECTED DRAWING: Figure 1
Inventors:
GOTO MASAHIRO
OGAWA KAZUNOBU
HASHIMOTO TATSUJI
KODAMA DAIJIRO
OGAWA KAZUNOBU
HASHIMOTO TATSUJI
KODAMA DAIJIRO
Application Number:
JP2017090560A
Publication Date:
November 29, 2018
Filing Date:
April 28, 2017
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G02B3/00; G02B27/02; G09F9/00
Domestic Patent References:
| JP2016224364A | 2016-12-28 | |||
| JPH09244010A | 1997-09-19 | |||
| JP2016042689A | 2016-03-31 | |||
| JP2017032785A | 2017-02-09 |
Foreign References:
| WO2017047271A1 | 2017-03-23 |
Attorney, Agent or Firm:
Masayuki Masabayashi
Tetsuo Shiba
Hayashi Ichiyoshi
Tetsuo Shiba
Hayashi Ichiyoshi