JP2008268940A5 - - Google Patents

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Publication number
JP2008268940A5
JP2008268940A5 JP2008082755A JP2008082755A JP2008268940A5 JP 2008268940 A5 JP2008268940 A5 JP 2008268940A5 JP 2008082755 A JP2008082755 A JP 2008082755A JP 2008082755 A JP2008082755 A JP 2008082755A JP 2008268940 A5 JP2008268940 A5 JP 2008268940A5
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JP
Japan
Prior art keywords
polarizing plate
liquid crystal
substrate
reflective
light source
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Pending
Application number
JP2008082755A
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Japanese (ja)
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JP2008268940A (en
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Priority to JP2008082755A priority Critical patent/JP2008268940A/en
Priority claimed from JP2008082755A external-priority patent/JP2008268940A/en
Publication of JP2008268940A publication Critical patent/JP2008268940A/en
Publication of JP2008268940A5 publication Critical patent/JP2008268940A5/ja
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Claims (12)

基材と、間隔をあけて複数形成された線状の金属層（以下、線状金属層とする）を含み、かつヘイズが５％以上である反射型偏光板。 A reflective polarizing plate comprising a substrate and a plurality of linear metal layers (hereinafter referred to as linear metal layers) formed at intervals, and having a haze of 5% or more. 全光線透過率が２５％以上である請求項１に記載の反射型偏光板。 The reflective polarizing plate according to claim 1, wherein the total light transmittance is 25% or more. 前記基材が光拡散性を有する請求項１または２に記載の反射型偏光板。 The reflective polarizing plate according to claim 1, wherein the substrate has light diffusibility. 前記基材の全光線透過率が５０％以上であり、ヘイズが５％以上である請求項１〜３のいずれかに記載の反射型偏光板。 Ri total light transmittance der 50% or more of the substrate, the reflective polarizer according to any one of claims 1 to 3 haze Ru der least 5%. 前記基材が、マトリックスと該マトリックスとは屈折率の異なる粒子を含む層を有する請求項１〜４のいずれかに記載の反射型偏光板。 Reflective polarizer according to any one of claims 1-4 wherein the substrate is, having a layer comprising particles having different refractive index from the matrix and the matrix. 前記基材が、線状金属層の形成された面とは反対側の面に凹凸形状を有する請求項１〜５のいずれかに記載の反射型偏光板。 Reflective polarizer according to any one of claims 1 to 5, wherein the substrate is, the formed surface of the linear metal layer having an uneven shape on the opposite side. 前記線状金属層が、ピッチｐ２＝５０〜４００ｎｍ、幅ｗ２１＝２０〜３８０ｎｍ、高さｈ２＝１０〜４００ｎｍである請求項１〜６のいずれかに記載の反射型偏光板。 Reflective polarizer according to the linear metal layer, a pitch p2 = 50 to 400 nm, the width w21 = 20~380nm, claim 1-6 the height h2 = 10 to 400 nm. 前記線状金属層の膜厚ｈ２と幅ｗ２１の比ｈ２／ｗ２１が０．５以上である請求項１〜７のいずれかに記載の反射型偏光板。 The reflective polarizing plate according to any one of claims 1 to 7 , wherein a ratio h2 / w21 between the film thickness h2 and the width w21 of the linear metal layer is 0.5 or more. 前記基材の少なくとも片側の表面に平行な線状の凹凸構造（以下、線状凹凸構造とする）を有し、かつ線状凹凸構造上に前記線状金属層が形成されている請求項１〜８のいずれかに記載の反射型偏光板。 2. A linear concavo-convex structure (hereinafter referred to as a linear concavo-convex structure) parallel to at least one surface of the substrate, and the linear metal layer is formed on the linear concavo-convex structure. reflective polarizer as claimed in any one of 1-8. 面光源と液晶セルとからなる液晶表示装置であって、液晶セルは、少なくとも液晶層と、該液晶層を挟むように配置された偏光板（Ａ）と偏光板（Ｂ）とを有し、面光源は、最上部に請求項１〜９のいずれかに記載の反射型偏光板が配置され、かつ液晶セルを構成する面光源側の偏光板（Ｂ）を透過する偏光の偏光軸の方向と、該反射型偏光板を透過する偏光の偏光軸の方向とが合致している液晶表示装置。 A liquid crystal display device comprising a surface light source and a liquid crystal cell, wherein the liquid crystal cell has at least a liquid crystal layer, and a polarizing plate (A) and a polarizing plate (B) disposed so as to sandwich the liquid crystal layer, The surface light source has the reflective polarizing plate according to any one of claims 1 to 9 disposed at the top, and the direction of the polarization axis of polarized light that passes through the surface light source side polarizing plate (B) constituting the liquid crystal cell. And the direction of the polarization axis of the polarized light transmitted through the reflective polarizing plate. 前記反射型偏光板は、下記（ｉ）の条件を満たすように設置されている請求項１０に記載の液晶表示装置。
（ｉ）前記基材が光拡散性を有する場合において、前記線状金属層が液晶セルに対向して
いる。 The liquid crystal display device according to claim 10 , wherein the reflective polarizing plate is installed so as to satisfy the following condition (i ) .
(I) In the case where the substrate has light diffusibility, the linear metal layer faces the liquid crystal cell. 面光源と液晶セルとからなる液晶表示装置であって、液晶セルは、少なくとも液晶層と、該液晶層を挟むように配置された偏光板（Ａ）と偏光板（Ｂ）とを有し、面光源側の偏光板（Ｂ）が請求項１〜９のいずれかに記載の反射型偏光板であり、かつ該反射型偏光板が下記（ｉ）の条件を満たすように設置されている液晶表示装置。
（ｉ）該基材が光拡散性を有する場合において、基材が面光源に対向している。 A liquid crystal display device comprising a surface light source and a liquid crystal cell, wherein the liquid crystal cell has at least a liquid crystal layer, and a polarizing plate (A) and a polarizing plate (B) disposed so as to sandwich the liquid crystal layer, A liquid crystal in which the polarizing plate (B) on the surface light source side is the reflective polarizing plate according to any one of claims 1 to 9 , and the reflective polarizing plate is installed so as to satisfy the following condition (i ): Display device.
(I) In the case where the substrate has light diffusibility, the substrate faces the surface light source.
JP2008082755A 2007-03-27 2008-03-27 Reflection type polarizing plate and liquid crystal display device using same Pending JP2008268940A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008082755A JP2008268940A (en) 2007-03-27 2008-03-27 Reflection type polarizing plate and liquid crystal display device using same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007080979 2007-03-27
JP2008082755A JP2008268940A (en) 2007-03-27 2008-03-27 Reflection type polarizing plate and liquid crystal display device using same

Publications (2)

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JP2008268940A JP2008268940A (en) 2008-11-06
JP2008268940A5 true JP2008268940A5 (en) 2011-05-12

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JP2008082755A Pending JP2008268940A (en) 2007-03-27 2008-03-27 Reflection type polarizing plate and liquid crystal display device using same

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JP4507126B2 (en) * 2007-10-29 2010-07-21 ソニー株式会社 Manufacturing method of polarizing plate
JP5541878B2 (en) * 2009-04-22 2014-07-09 帝人デュポンフィルム株式会社 Laminated polyester film for prism sheet
JP5503237B2 (en) * 2009-09-24 2014-05-28 旭化成イーマテリアルズ株式会社 Pattern forming substrate
JP5655384B2 (en) * 2010-06-10 2015-01-21 東レ株式会社 Uneven substrate and manufacturing method thereof
JP5368501B2 (en) * 2011-03-29 2013-12-18 旭化成イーマテリアルズ株式会社 Polarizing beam splitter and projection device
TWI499812B (en) * 2011-10-14 2015-09-11 Asahi Kasei E Materials Corp Wire grid polarizing plate and projection type image display machine
CN103998956B (en) * 2011-12-15 2016-09-07 Lg化学株式会社 Reflecting type polarizing device
JP6202828B2 (en) * 2012-02-17 2017-09-27 学校法人慶應義塾 Liquid crystal display
KR101976734B1 (en) * 2012-11-30 2019-05-09 동우 화인켐 주식회사 Display device and electronic device including the same
JP5432401B2 (en) * 2013-04-08 2014-03-05 旭化成イーマテリアルズ株式会社 Wire grid polarizer, polarizing beam splitter, and projection apparatus
CN104155799B (en) * 2013-05-14 2016-11-23 群创光电股份有限公司 Backlight module and display device
KR101902659B1 (en) * 2013-07-18 2018-10-01 바스프 에스이 Translucent construction element for solar light management comprising surface coated with interrupted metallic layer
KR102079163B1 (en) * 2013-10-02 2020-02-20 삼성디스플레이 주식회사 Wire grid polarizer, display device including the same and method for fabricating the same
JP5938732B2 (en) * 2014-03-18 2016-06-22 旭化成株式会社 Method for manufacturing optical film or optical sheet
JP2016035983A (en) * 2014-08-04 2016-03-17 信越ポリマー株式会社 Support jig for semiconductor wafer and manufacturing method for the same
JP2016071332A (en) * 2014-09-30 2016-05-09 住友化学株式会社 Composite polarizing plate and liquid crystal display device
JP6699092B2 (en) * 2015-04-28 2020-05-27 大日本印刷株式会社 Resin sheet manufacturing method
JP6851715B2 (en) * 2015-10-26 2021-03-31 大日本印刷株式会社 Manufacturing method of optical member
US20220091316A1 (en) * 2019-02-02 2022-03-24 3M Innovative Properties Company Optical diffuser with high infrared clarity
CN115461674A (en) * 2020-04-28 2022-12-09 京瓷株式会社 Liquid crystal display device having a plurality of pixel electrodes

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JP4076028B2 (en) * 1997-02-18 2008-04-16 大日本印刷株式会社 Polarized light separation film, backlight, and liquid crystal display device
EP1840603A4 (en) * 2004-12-16 2010-01-13 Toray Industries Polarizing plate, method of producing the polarizing plate, and liquid crystal display device using the polarizing plate
JP2007033560A (en) * 2005-07-22 2007-02-08 Nippon Zeon Co Ltd Grid polarizer
JP2007057876A (en) * 2005-08-25 2007-03-08 Nippon Zeon Co Ltd Method of manufacturing grid polarizing film, grid polarizing film and liquid crystal display device

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