Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
TRANSMISSIVE COLOR GRADATION CHART, TRANSMISSIVE COLOR GRADATION CHART DEVICE, AND GRAY GRADATION CHART
Document Type and Number:
WIPO Patent Application WO/2021/075406
Kind Code:
A1
Abstract:
The present disclosure provides a transmissive color gradation chart including a color chart member having at least one color bar in which transmitted light exhibits a chromatic color, and a gray gradation chart member having a plurality of transmission regions in which transmitted light exhibits an achromatic color and which have different brightnesses, wherein the color chart member and the gray gradation chart member are stacked on one another in such a way as to provide overlapping transmission regions in which the color bar and the plurality of transmission regions overlap one another in a plan view.

Inventors:
MAEDA AKIHIRO (JP)
OGINO YOSHIHIKO (JP)
KAJIMURA YOICHI (JP)
Application Number:
PCT/JP2020/038510
Publication Date:
April 22, 2021
Filing Date:
October 12, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G01J3/52; G01M11/00; G02B21/36; G09F5/04; H04N17/00
Domestic Patent References:
WO2017170910A12017-10-05
WO2004044639A12004-05-27
Foreign References:
JP2003111108A2003-04-11
JP2018187873A2018-11-29
JP2013088226A2013-05-13
JP2017215259A2017-12-07
JP2004301722A2004-10-28
JP2004219229A2004-08-05
JP2003172659A2003-06-20
JP2000088652A2000-03-31
JP2000019018A2000-01-21
JPS5455880U1979-04-18
JP2017187756A2017-10-12
Other References:
See also references of EP 4060298A4
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
Download PDF: