Title:
DISPLAY DEVICE AND OPTICAL ADJUSTMENT SHEET
Document Type and Number:
WIPO Patent Application WO/2021/220842
Kind Code:
A1
Abstract:
A display device (1) is illuminated with first light (L10), and the display device (1) is provided with: a display surface part (2) that emits second light (L20) displaying an image; and an optical adjustment sheet (10) that has a first surface (11) on which the first light (L10) is incident and a second surface (12) on which the second light (L20) is incident, and reflects light. The second light (L20) has a plurality of emission peak wavelengths, and when a condition that a reflection peak wavelength (λr) is located between two emission peak wavelengths adjacent to each other is defined as a first condition, a condition that the reflection peak wavelength (λr) is located between the shortest emission peak wavelength and 380 nm is defined as a second condition, and a condition that the reflection peak wavelength (λr) is located between the longest emission peak wavelength and 780 nm is defined as a third condition, a reflection spectrum satisfies at least one of the first condition, the second condition, and the third condition.
Inventors:
AKIYAMA HIRONORI
YAMAE KAZUYUKI
WADA HIDEKI
SHIGITANI RYOSUKE
MORI KOTONE
YAMAE KAZUYUKI
WADA HIDEKI
SHIGITANI RYOSUKE
MORI KOTONE
Application Number:
PCT/JP2021/015670
Publication Date:
November 04, 2021
Filing Date:
April 16, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G02B5/08; G02B5/26; G09F9/00; H01L27/32; H01L51/50; H05B33/02
Domestic Patent References:
| WO2019087615A1 | 2019-05-09 | |||
| WO2019090225A1 | 2019-05-09 |
Foreign References:
| JP2003177236A | 2003-06-27 | |||
| JPH07325214A | 1995-12-12 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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