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Title:
DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/249058
Kind Code:
A1
Abstract:
[Problem] To provide a display device that increases a luminance in a direction visually recognized. [Solution] A display device 1 comprises a light-emitting substrate 10 and an optical sheet 20. The light-emitting substrate 10 includes a semiconductor layer 11 divided into unit regions 10a, and light-emitting units 13 disposed in the plurality of unit regions 10a. The optical sheet 20 includes a plurality of unit lenses 21. The plurality of unit regions 10a are aligned in a first direction and a second direction. w/p is less than 0.025 and at least one of the following is satisfied: r/p is equal to or greater than 0.2 and less than 0.525, and equation (1) is satisfied; r/p is equal to or greater than 0.525 and less than 1.5 and equation (2) is satisfied; r/p is equal to or greater than 0.2 and less than 0.525 and equation (3) is satisfied; r/p is equal to or greater than 0.525 and less than 0.725 and equation (4) is satisfied; and r/p is equal to or greater than 0.725 and less than 1.5 and equation (5) is satisfied.

Inventors:
ADACHI KOTARO (JP)
HASHIGUCHI HIRONORI (JP)
KAWAMOTO KAZUKI (JP)
YANO TETSURO (JP)
Application Number:
PCT/JP2023/022972
Publication Date:
December 28, 2023
Filing Date:
June 21, 2023
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
G09F9/00; F21S2/00; G09F9/30; G09F9/33
Foreign References:
JP2019197133A2019-11-14
JP2016014632A2016-01-28
CN101135738A2008-03-05
JP2004212716A2004-07-29
JP2007087606A2007-04-05
JP2010250301A2010-11-04
Attorney, Agent or Firm:
MIYAJIMA Manabu et al. (JP)
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