Title:
A penetrated type screen and a head up display device using it
Document Type and Number:
Japanese Patent JP6156671
Kind Code:
B2
Abstract:
In order to provide a transmission type screen capable of maintain sharpness of image without impairing uniformity of emergent light to be emitted therefrom, a transmission type screen 40 of the present invention includes a microlens array substrate 50 having a first surface 51 equipped with a microlens array 54 including a plurality of microlenses; and a light diffusion substrate 60 having a second surface 61 equipped with a light diffusion surface; wherein the first surface 51 of the microlens array substrate 50, which is equipped with the microlens array, and the second surface 61 of the light diffusion substrate 60, which is equipped with the light diffusion surface, are opposedly arranged.
Inventors:
Kubota Shogo
Application Number:
JP2017502436A
Publication Date:
July 05, 2017
Filing Date:
February 24, 2016
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
G03B21/62
Domestic Patent References:
| JP2001272727A | ||||
| JP2013064985A | ||||
| JP2014149405A | ||||
| JP2006337459A | ||||
| JP10123623A | ||||
| JP2014043205A | ||||
| JP7270711A | ||||
| JP5149446B2 | ||||
| JP2008070441A | ||||
| JP2006072370A | ||||
| JP2003050302A | ||||
| JP2004145251A |
Foreign References:
| WO2007091708A1 | ||||
| US5563738 |
Attorney, Agent or Firm:
Teiji Tanaka
Takashi Koyama
Kenji Aoki
Akira Yonezawa
Takehiko Katayose
Takashi Koyama
Kenji Aoki
Akira Yonezawa
Takehiko Katayose
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