LIGHT-DIFFUSING SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND INFORMATION APPARATUS
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Nov 18, 2024
filing date -
Nov 18, 2024
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Abstract
A light-diffusing sheet 43 includes a plurality of depressed portions 22 formed in an approximately inverted polygonal pyramid or an approximately inverted truncated polygonal pyramid on at least a first surface 43a. An array pitch of the plurality of depressed portions 22 is 300 μm or more and 1500 μm or less. A width of a boundary portion between adjacent depressed portions 22 in the plurality of depressed portions 22 is 25% of the array pitch or less.
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