Optical body and display device including same

US2022011630A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2022011630-A1
Application numberUS-201917294999-A
CountryUS
Kind codeA1
Filing dateNov 12, 2019
Priority dateNov 22, 2018
Publication dateJan 13, 2022
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present invention relates to an optical body and a display device including the same, and more specifically, the present invention relates to an optical body, which can minimize optical loss thereof and maximize luminance enhancement thereof, and a display device including the same.

First claim

Opening claim text (preview).

1 . An optical body, comprising: a substrate; and a plurality of dispersions dispersed and comprised inside the substrate, wherein the plurality of dispersions have an average aspect ratio of 0.5 or less, and the number of dispersions having a cross-sectional area of 0.3 μm 2 or less is 80% or more of the total dispersions. 2 . The optical body of claim 1 , wherein in the plurality of dispersions, the number of dispersions having a cross-sectional area of more than 0.01 μm 2 to 0.09 μm 2 or less is 70% to 90% of the total dispersions. 3 . The optical body of claim 1 , wherein the plurality of dispersions have a cross-sectional dispersion coefficient of 90% to 120% according to Mathematical Formula 2 below. ⁢ [ Mathematical ⁢ ⁢ Formula ⁢ ⁢ 2 ] Cross ⁢ - ⁢ section ⁢ ⁢ dispersion ⁢ ⁢ ⁢ coefficient ⁢ ⁢ ( % ) = Standard ⁢ ⁢ deviation ⁢ ⁢ of ⁢ ⁢ cross ⁢ - ⁢ sectional ⁢ ⁢ area ⁢ ⁢ of ⁢ ⁢ dispersion Average ⁢ ⁢ cross ⁢ - ⁢ sectional ⁢ ⁢ area ⁢ ⁢ of ⁢ ⁢ dispersion × 100 4 . An optical body, comprising: a substrate; and a plurality of dispersions dispersed and comprised inside the substrate, wherein the plurality of dispersions have an average cross-sectional area of 1 μm 2 or less, and an aspect ratio dispersion coefficient of 40% or more according to Mathematical Formula 1 below. ⁢ [ Mathematical ⁢ ⁢ Formula ⁢ ⁢ 1 ] Aspect ⁢ ⁢ ratio ⁢ ⁢ dispersion ⁢ ⁢ coefficient ⁢ ⁢ ( % ) = Standard ⁢ ⁢ devision ⁢ ⁢ of ⁢ ⁢ aspect ⁢ ⁢ ratio ⁢ ⁢ of ⁢ ⁢ dispersion

Assignees

Inventors

Classifications

  • providing polarized light, e.g. by converting a polarisation component into another one · CPC title

  • Reflective polarizers (G02F1/13362 takes precedence) · CPC title

  • for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another (G02B5/3083 takes precedence; light guide coupling means utilising polarising elements G02B6/34) · CPC title

  • provided in the bulk of the light guide · CPC title

  • made of organic materials, e.g. plastics (G02B1/08 takes precedence) · CPC title

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Frequently asked questions

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What does patent US2022011630A1 cover?
The present invention relates to an optical body and a display device including the same, and more specifically, the present invention relates to an optical body, which can minimize optical loss thereof and maximize luminance enhancement thereof, and a display device including the same.
Who is the assignee on this patent?
Toray Advanced Mat Korea Inc
What technology area does this patent fall under?
Primary CPC classification G02B5/3008. Mapped technology areas include Physics.
When was this patent published?
Publication date Thu Jan 13 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).