Title:
表示装置
Document Type and Number:
Japanese Patent JP7009779
Kind Code:
B2
Abstract:
To effectively improve brightness in a desired direction by improving utilization efficiency of light from a light source.SOLUTION: An on-vehicle display 10 with a display surface 11 comprises: a display panel 15; a surface light source device 20 that is arranged at a back side of the display panel 15 and planarly illuminates the display panel 15 from the back side; and an adhesive layer 17 that bonds the display panel 15 to the surface light source device 20. In an angle distribution of brightness in all directions of light emitted from the display surface 11, brightness in at least any one of the directions inclined by 40° from a direction in which a peak brightness is obtained is 6.5% or less of the peak brightness.SELECTED DRAWING: Figure 1
More Like This:
Inventors:
Saori Machida
Application Number:
JP2017101096A
Publication Date:
January 26, 2022
Filing Date:
May 22, 2017
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
G02F1/13357; B32B27/00; F21S2/00; F21V7/00; G02B5/02
Domestic Patent References:
| JP2014238478A | ||||
| JP2014235397A | ||||
| JP2015162423A | ||||
| JP2004151550A | ||||
| JP2017016015A | ||||
| JP2006004772A |
Foreign References:
| US20100141870 |
Attorney, Agent or Firm:
Hiroyuki Nagai
Nakamura Yukitaka
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Nakamura Yukitaka
Yasukazu Sato
Satoru Asakura
Yukihiro Hotta
Previous Patent: Rubber composition for studless tires
Next Patent: Manufacturing method of pipe-shaped structure
Next Patent: Manufacturing method of pipe-shaped structure