Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHT-DIFFUSING SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND INFORMATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/228684
Kind Code:
A1
Abstract:
A light-diffusing sheet 43 comprises a plurality of recessed portions 22 at least on a first surface 43a, the plurality of recessed portions 22 being formed in the shape of substantially inverted polygonal pyramids or substantially inverted polygonal truncated pyramids. The plurality of recessed portions 22 have an array pitch of 300-1500 μm. The width of a boundary portion between adjacent recessed portions 22 among the plurality of recessed portions 22 is less than or equal to 25% of the array pitch.

More Like This:
JP2006146093FRONT PLATE AND DISPLAY APPARATUS USING SAME
WO/2020/026891POLYESTER FILM FOR PROTECTING POLARIZER AND LIQUID CRYSTAL DISPLAY DEVICE
JP6346196Methods and equipment for transparent displays with scattered nanoparticles
Inventors:
FURUTA AKIRA (JP)
HAYASHI NOBUYUKI (JP)
SUKIGARA MASAYUKI (JP)
TAKAYAMA KAZUYA (JP)
TSAI CHENGHENG (JP)
Application Number:
PCT/JP2023/016901
Publication Date:
November 30, 2023
Filing Date:
April 28, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KEIWA INC (JP)
International Classes:
G02B5/02; F21S2/00; G02F1/13357; F21Y115/10; F21Y115/30
Foreign References:
JP2012043671A2012-03-01
JP2010039091A2010-02-18
JP2011022565A2011-02-03
JP2005241919A2005-09-08
JP2004295080A2004-10-21
KR20170112530A2017-10-12
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: GLASS PLATE WITH EDGE COVER

Next Patent: ALGAL REEF AND METHOD FOR MANUFACTURING SAME