The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 29, 2024

Filed:

May. 26, 2020
Applicant:

Dai Nippon Printing Co., Ltd., Tokyo, JP;

Inventors:

Masaharu Sato, Higashihiroshima, JP;

Takayuki Fukuda, Okayama, JP;

Gen Furui, Okayama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/11 (2015.01); G02F 1/1335 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G02B 1/11 (2013.01); G02F 1/133502 (2013.01); G06F 3/041 (2013.01);
Abstract

Provided is an anti-glare film that can suppress glare in various display devices with different distances between the display elements and the anti-glare layer. The anti-glare film includes an anti-glare layer, wherein the anti-glare layer has a 500-μm square area, as measured for surface roughness, satisfying condition 1 and condition 2 below, where the maximum peak height is defined as P, a plane having a height obtained by adding P/6 to the average height is defined as the first reference plane, the number of projections exceeding the first reference plane is defined as N1, a plane having a height obtained by adding P/3 to the average height is defined as the second reference plane, and the number of projections exceeding the second reference plane is defined as N2:is 0.20 μm or more and 1.20 μm or less; and  <condition 1>0.20≤2/1≤0.45.  <condition 2>.


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