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1. JP2015106038 - 防眩フィルム

パーマリンク
官庁 日本
出願番号 2013247804
出願日 29.11.2013
公開番号 2015106038
公開日 08.06.2015
公報種別 A
IPC
G02B 5/02
G物理学
02光学
B光学要素,光学系,または光学装置
5レンズ以外の光学要素
02拡散性要素;アフォーカル要素
G02F 1/1335
G物理学
02光学
F光の強度,色,位相,偏光または方向の制御,例.スイッチング,ゲーテイング,変調または復調のための装置または配置の媒体の光学的性質の変化により,光学的作用が変化する装置または配置;そのための技法または手順;周波数変換;非線形光学;光学的論理素子;光学的アナログ/デジタル変換器
1独立の光源から到達する光の強度,色,位相,偏光または方向の制御のための装置または配置,例.スィッチング,ゲーテイングまたは変調;非線形光学
01強度,位相,偏光または色の制御のためのもの
13液晶に基づいたもの,例.単一の液晶表示セル
133構造配置;液晶セルの作動;回路配置
1333構造配置
1335セルと光学部材,例.偏光子または反射鏡,との構造的組合せ
CPC
B32B 7/02
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
7Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
02Physical, chemical or physicochemical properties
B32B 2307/40
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2307Properties of the layers or laminate
40having particular optical properties
B32B 2307/412
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2307Properties of the layers or laminate
40having particular optical properties
412Transparent
B32B 2457/20
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
2457Electrical equipment
20Displays, e.g. liquid crystal displays, plasma displays
G02B 1/111
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1Optical elements characterised by the material of which they are made
10Optical coatings produced by application to, or surface treatment of, optical elements
11Anti-reflection coatings
111using layers comprising organic materials
G02B 5/0221
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5Optical elements other than lenses
02Diffusing elements; Afocal elements
0205characterised by the diffusing properties
021the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
0221the surface having an irregular structure
出願人 SUMITOMO CHEMICAL CO LTD
住友化学株式会社
発明者 FURUYA TSUTOMU
古谷　勉
代理人 中山　亨
坂元　徹
発明の名称
(EN) ANTIGLARE FILM
(JA) 防眩フィルム
要約
(EN)

PROBLEM TO BE SOLVED: To provide an antiglare film that has an excellent antiglare property for a wide observation angle even in a low haze, and can sufficiently suppress the occurrence of discoloration and glare when arranged in an image display device.

SOLUTION: There is provided an antiglare film that includes a transparent support and an antiglare layer having a fine surface rugged shape formed on the transparent support, where a total haze is 0.1% or more and 3% or less; a surface haze is 0.1% or more and 2% or less; a ratio R between a reflectance R(30) at a reflection angle of 30° and a reflectance R(40) at a reflection angle of 40° (R(40)/R(30)) to the light made incident at an incident angle of 30° is 0.00001 or more and 0.0025 or less; and an intensities I(0.01), I(0.02), and I(0.1) in a spatial frequency 0.01 μm-1, a spatial frequency 0.02 μm-1, and a spatial frequency 0.1 μm-1, in a power spectrum of the heights of the surface rugged shape, are within predetermined ranges, respectively.

COPYRIGHT: (C)2015,JPO&INPIT

(JA)

【課題】低ヘイズであっても広い観察角度において優れた防眩性を有し、画像表示装置に配置したとき、白ちゃけ及びギラツキの発生を十分抑制し得る防眩フィルムを提供する。
【解決手段】透明支持体と、その上に形成された微細な表面凹凸形状を有する防眩層とを備え、全ヘイズが０．１％以上３％以下、表面ヘイズが０．１％以上２％以下であり、入射角３０゜で入射した光に対し、反射角３０゜の反射率Ｒ（３０）と反射角４０°との反射率Ｒ（４０）との比Ｒ（４０）／Ｒ（３０）が０．００００１以上０．００２５以下であり、上記の表面凹凸形状の標高のパワースペクトルの、空間周波数０．０１μｍ−１、空間周波数０．０２μｍ−１及び空間周波数０．１μｍ−１における強度Ｉ（０．０１）、Ｉ（０．０２）及びＩ（０．１）がそれぞれ所定の範囲内である防眩フィルムが提供される。
【選択図】なし
他の公開
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WO/2015/080279
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