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    • 12. 发明申请
    • METHOD OF MANUFACTURING POLARIZER, POLARIZER, POLARIZING PLATE, OPTICAL FILM, METHOD OF MANUFACTURING COMPOSITE POLARIZING PLATE, COMPOSITE POLARIZING PLATE AND IMAGE DISPLAY
    • 制造极化器,极化器,极化板,光学膜,制造复合极化板,复合极化板和图像显示器的方法
    • US20100321613A1
    • 2010-12-23
    • US12521420
    • 2007-11-12
    • Ryota HatsudaSeiji UmemotoKazuya HadaHiroyuki YoshimiSatoshi Hirata
    • Ryota HatsudaSeiji UmemotoKazuya HadaHiroyuki YoshimiSatoshi Hirata
    • G02F1/1335G02F1/29B05D5/06B32B37/14
    • B29C55/20B29C55/026B29C55/08B29K2995/0034G02B5/3033G02B5/3083
    • A method of manufacturing a polarizer is provided that makes it possible to virtually simultaneously perform a contact of a hydrophilic polymer film with liquid and stretch of the hydrophilic polymer film in a width direction by a tenter method, or the like, using a small and simple manufacturing equipment. A method of manufacturing a polarizer includes a width direction stretching process for stretching a hydrophilic polymer film 1 in the width direction, which is continuously supplied, by gripping both ends in a width direction thereof with grip means 2 and moving the grip means 2 in a longitudinal direction of the film 1 as well as by bringing the film 1 into contact with liquid and also moving the grip means 2, which grips at least one of both ends in the width direction of the film 1, outwardly in the width direction of the film 1; and a dyeing process for dyeing the film 1 by a dichroic material. In the width direction stretching process, a contact with the liquid is carried out by at least one of spraying and coating of the liquid, and the width direction stretching process is carried out in at least one of the dyeing process and a process other than the dyeing process.
    • 提供了一种制造偏振器的方法,其使得可以通过拉幅机方法等实际上同时进行亲水性聚合物膜与液体的接触和宽度方向的拉伸,使用小而简单的方法 制造设备。 偏振片的制造方法包括宽度方向拉伸方法,其通过用夹持装置2夹持其宽度方向的两端并将夹持装置2移动到其中,使宽度方向上的亲水性聚合物膜1在连续供给下拉伸 膜1的长度方向,以及通过使膜1与液体接触,并且还使夹持装置2沿着膜1的宽度方向向外沿着膜1的宽度方向移动,夹持装置2沿着膜1的宽度方向夹持两端中的至少一个 电影1; 以及通过二色性材料对薄膜1进行染色的染色方法。 在宽度方向拉伸处理中,通过液体的喷涂和涂布中的至少一种进行与液体的接触,并且宽度方向拉伸处理在至少一个染色过程和除 染色工艺。
    • 15. 发明申请
    • PRODUCING METHOD FOR LENGTHWISE OPTICAL LAMINATE AND LIQUID CRYSTAL PANEL
    • 生产长寿命光学层压板和液晶板的方法
    • US20100073608A1
    • 2010-03-25
    • US12523213
    • 2009-01-16
    • Kazunori FutamuraJunichi NagaseHiroyuki YoshimiMasaki Hayashi
    • Kazunori FutamuraJunichi NagaseHiroyuki YoshimiMasaki Hayashi
    • G02F1/1335B29D7/01
    • G02F1/133528G02B5/3016G02B5/3083G02F1/133305G02F1/133634G02F2202/28
    • The object of the present invention is to provide a producing method for a lengthwise optical laminate exhibiting high contrast ratio and adaptable to a large-sized display.The present invention provides a producing method for a lengthwise optical laminate, which comprises a step 1 of coating and drying a coating solution comprising a birefringent material and a solvent on a surface of a lengthwise base material to form a birefringent film such that a birefringence index (Δnxz[590]) in the thickness direction at a wavelength of 590 nm is 0.02 or more, and produce a lengthwise sheet (A) comprising the base material and the birefringent film; a step 2 of drawing a lengthwise film of a hydrophilic polymer containing a dichroic material so that a draw ratio is from 3 times to 5 times based on the original length and a neck-in ratio is 55% or less to produce a lengthwise polarizer (B); and a step 3 of laminating the lengthwise sheet (A) obtained in the step 1 on one plane of the lengthwise polarizer (B) obtained in the step 2 to produce the lengthwise optical laminate.
    • 本发明的目的是提供一种显示高对比度并适应于大尺寸显示器的纵向光学层叠材料的制造方法。 本发明提供一种纵向光学层叠体的制造方法,该方法包括在纵向基材的表面上涂布并干燥包含双折射材料和溶剂的涂布溶液以形成双折射膜的步骤1,以使双折射率 (&Dgr; nxz [590])在波长590nm处的厚度方向为0.02以上,并且制造包括基材和双折射膜的纵向片材(A) 绘制含有二色性材料的亲水性聚合物的纵向膜的步骤2,使得基于原始长度的拉伸比为3倍至5倍,并且收缩率为55%以下以产生纵向偏振片( B); 以及将在步骤1中获得的纵向片材(A)层叠在步骤2中获得的纵向偏振片(B)的一个平面上以制造纵向光学层压体的步骤3。
    • 16. 发明授权
    • Optical film
    • 光学胶片
    • US07128952B2
    • 2006-10-31
    • US10509759
    • 2003-05-21
    • Nao MurakamiYuuichi NishikoujiMasaki HayashiHiroyuki Yoshimi
    • Nao MurakamiYuuichi NishikoujiMasaki HayashiHiroyuki Yoshimi
    • G02F1/3363
    • B32B27/08B32B27/306B32B2307/42B32B2457/202B32B2551/00G02B5/3083Y10T428/10Y10T428/1036
    • An optical film including a transparent polymer film (b) and a birefringent layer (a) formed of a polymer and laminated above the transparent polymer film (b) is provided. The birefringent layer (a) and the transparent polymer film (b) satisfy the following formula (1), the birefringent layer (a) satisfies the following formulae (2) and (3), and the polymer forming the birefringent layer (a) has a weight-average molecular weight in the range between 10,000 and 400,000 inclusive. Δn(a)>Δn(b)×10  (1) 1
    • 提供了一种包括透明聚合物膜(b)和由聚合物形成并层压在透明聚合物膜(b)上方的双折射层(a)的光学膜。 双折射层(a)和透明聚合物膜(b)满足下式(1),双折射层(a)满足下式(2)和(3),形成双折射层(a)的聚合物 重均分子量在10,000和400,000之间的范围内。 <?in-line-formula description =“在线公式”end =“lead”?> Deltan(a)> Deltan(b)x10(1)<?in-line-formula description =“In-line Formulas” end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> 1 <(nx-nz)/(nx-ny)(2) -formulae description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line formula”end =“lead”?> 0.0005 <= Deltan(a)<= 0.5 3)<?in-line-formula description =“In-line Formulas”end =“tail”?>该光学膜可以防止虹膜的发生,裂缝的发生和延迟的变化的发生。