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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2020038368
Kind Code:
A
Abstract:
To provide a display device with a color filter comprising thin green pixels portions and blue pixel portions having chromaticity adjusted to a predetermined value.SOLUTION: An aspect of the present invention is a display device 1 comprising a light source 2, and a color filter 9 with red pixel portions 9a, green pixel portions 9b, and blue pixel portions 9c configured to convert color of light L from the light source 2. When the maximum intensity of light L in a 400-500 nm range is 1, an average relative intensity of the light L in a 480-490 nm range is 0.064 or less and an average relative intensity of the light L in a 380-440 nm range is 0.05 or greater. The blue pixel portions 9C contain a color material having an average transmittance of 60% or less in a 380-440 nm range, and the green pixel portions 9b contain yellow color material.SELECTED DRAWING: Figure 1

Inventors:
SAKAMOTO KEISUKE
KIMURA MAKOTO
SHIGEHIRO TATSUYA
OZAKI YUSUKE
YASUI KENGO
ISHII TORU
Application Number:
JP2019151244A
Publication Date:
March 12, 2020
Filing Date:
August 21, 2019
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS
International Classes:
G02B5/20; C09B25/00; C09B29/20; C09B67/20; G02F1/1335; G03F7/004; G09F9/30
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Mt. Nakatsuka