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公开(公告)号：US11726245B2
公开(公告)日：2023-08-15
申请号：US16647707
申请日：2018-10-02
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Sun-Yong Park , Timothy J. Nevitt , Brianna N. Wheeler , Jody L. Peterson
CPC classification number: G02B5/3041 , G02B1/08 , G02B5/305 , G02B5/3083 , H10K50/868 , G02B5/0841
Abstract: A partial reflector including a plurality of optical repeat units where each optical repeat unit includes first and second polymer layers is described. A refractive index difference between the first and second polymer layers along a first axis may be Any, a refractive index difference between the first and second polymer layers along an orthogonal second axis may be Δƒχ, where |Δηχ| is at least 0.1 and |Δny| is no more than 0.04. The optical repeat units may have a smallest optical thickness T1 proximate a first side of the optical stack and a largest optical thickness T2 proximate an opposite second side of the optical stack, where (T2−T1)/(T2+T1) is in a range of 0.05 to 0.2, and T2 is at least 350 nm and no more 1250 nm. The partial reflector may be used in a circular polarizer for correcting color shift with view angle in a display.
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公开(公告)号：US11156757B2
公开(公告)日：2021-10-26
申请号：US16789539
申请日：2020-02-13
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Timothy J. Nevitt , Carl A. Stover , Andrew J. Ouderkirk , Robert D. Taylor , Zhaohui Yang
IPC: G02B5/30 , G02F1/1335
Abstract: Optical films are disclosed that include a plurality of interference layers. Each interference layer reflects or transmits light primarily by optical interference. The total number of the interference layers is less than about 1000. For a substantially normally incident light in a predetermined wavelength range, the plurality of interference layers has an average optical transmittance greater than about 85% for a first polarization state, an average optical reflectance greater than about 80% for an orthogonal second polarization state, and an average optical transmittance less than about 0.2% for the second polarization state.
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公开(公告)号：US20210325587A1
公开(公告)日：2021-10-21
申请号：US17273047
申请日：2019-08-29
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Matthew B. Johnson , Adam D. Haag , Carl A. Stover , Timothy J. Nevitt , William F. Edmonds , Stephen A. Johnson
IPC: G02B5/30
Abstract: Multilayer reflective polarizers are described. In particular, multilayer reflective polarizers that include both crystalline high index layers and low index layers are disclosed. These reflective polarizers may be particularly suitable for automotive, architectural, and industrial applications.
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公开(公告)号：US20200183065A1
公开(公告)日：2020-06-11
申请号：US16789539
申请日：2020-02-13
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Timothy J. Nevitt , Carl A. Stover , Andrew J. Ouderkirk , Robert D. Taylor , Zhaohui Yang
IPC: G02B5/30 , G02F1/1335
Abstract: Optical films are disclosed that include a plurality of interference layers. Each interference layer reflects or transmits light primarily by optical interference. The total number of the interference layers is less than about 1000. For a substantially normally incident light in a predetermined wavelength range, the plurality of interference layers has an average optical transmittance greater than about 85% for a first polarization state, an average optical reflectance greater than about 80% for an orthogonal second polarization state, and an average optical transmittance less than about 0.2% for the second polarization state.
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公开(公告)号：US20190250320A1
公开(公告)日：2019-08-15
申请号：US16393495
申请日：2019-04-24
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Matthew B. Johnson , Adam D. Haag , Martin E. Denker
CPC classification number: G02B5/3083 , B32B7/02 , B32B27/08 , B32B27/36 , B32B27/365 , B32B2307/42 , G02B5/0841 , G02B5/305
Abstract: Thermoplastic birefringent multilayer optical films are described. More particularly, thermoplastic multilayer films having alternating first and second layers having a linear layer profile where both outer layers are thinner than 350 nm but thicker than 150 nm are described. Thermoplastic birefringent multilayer optical films with thinner outer protective boundary layers are described.
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Patent Agency Ranking
公开(公告)号：US20190004227A1
公开(公告)日：2019-01-03
申请号：US16126960
申请日：2018-09-10
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Sun-Yong Park , Song-Geun Lee , Matthew B. Johnson , Adam D. Haag
IPC: G02B5/30 , B32B23/04 , B32B23/08 , B32B27/08 , B32B27/30 , B32B27/32 , B32B27/36 , B32B7/12 , G02F1/13363 , G02F1/1335 , G02F1/1337
Abstract: Optical film stacks are described. More particularly, optical film stacks including a half-wave retardation layer are described. Achromatic half-wave retardation layers, including achromatic half-wave layers formed from a quarter-wave and a three-quarters-wave retardation layer, are described. Film stacks including reflective polarizers tuned to reduce wavelength dispersion of the half-wave retardation layer are also described.
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公开(公告)号：US09618791B2
公开(公告)日：2017-04-11
申请号：US14360105
申请日：2012-11-21
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Tri D. Pham , Steven H. C. Kong , Stephen J. Etzkorn , Robert L. Endres , Matthew B. Johnson
IPC: G02F1/1335
CPC classification number: G02F1/133606 , G02F1/133504 , G02F1/133536 , G02F2001/133607
Abstract: The present disclosure describes an optical stack that includes an asymmetric diffuser. As described herein, use of an asymmetric diffuser in an optical stack reduces undesirable defects in a display while maintaining optical gain and/or contrast of the display. The asymmetric diffuser is less diffusive along a first direction that is parallel with linearly extending structures of an associated light directing film.
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公开(公告)号：US20160306086A1
公开(公告)日：2016-10-20
申请号：US15102117
申请日：2014-12-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Timothy J. Nevitt , Quinn D. Sanford , Robert D. Taylor , Carl A. Stover
CPC classification number: G02B5/3041 , F21V9/14 , G02B5/305 , G02B5/3083
Abstract: Hybrid polarizers are described. More particularly, hybrid polarizers including reflective polarizer portions and hybrid polarizing portions, including embedded absorbing polarizing elements are described. The hybrid polarizers may be used in backlights or display devices.
Abstract translation: 描述了混合偏振器。 更具体地，描述了包括反射偏振器部分和混合偏振部分的混合偏振器，包括嵌入式吸收偏振元件。 混合偏振器可用于背光或显示装置。
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公开(公告)号：US20160195659A1
公开(公告)日：2016-07-07
申请号：US14916913
申请日：2014-09-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Matthew B. Johnson , Adam D. Haag , Martin E. Denker , Takashi Fujita
IPC: G02B5/30
CPC classification number: G02B5/3083 , G02B5/3041 , G02F1/13362
Abstract: Multilayer reflective polarizers are described. More particularly, multilayer reflective polarizers having a higher block light transmission at longer wavelengths than shorter wavelengths while having a high pass light transmission are described. The described multilayer reflective polarizers may be combined with absorbing polarizers or used in display devices.
Abstract translation: 描述了多层反射偏振器。 更具体地，描述了具有比较短波长更长波长的较高阻挡光透射同时具有高透光传输的多层反射偏振器。 所描述的多层反射偏振器可以与吸收偏振器组合或用于显示装置。
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公开(公告)号：US20140285749A1
公开(公告)日：2014-09-25
申请号：US14360105
申请日：2012-11-21
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Adam D. Haag , Tri D. Pham , Steven H.C. Kong , Stephen J. Etzkorn , Robert L. Endres , Matthew B. Johnson
IPC: G02F1/1335
CPC classification number: G02F1/133606 , G02F1/133504 , G02F1/133536 , G02F2001/133607
Abstract: The present disclosure describes an optical stack that includes an asymmetric diffuser. As described herein, use of an asymmetric diffuser in an optical stack reduces undesirable defects in a display while maintaining optical gain and/or contrast of the display. The asymmetric diffuser is less diffusive along a first direction that is parallel with linearly extending structures of an associated light directing film
Abstract translation: 本公开描述了包括不对称扩散器的光学堆叠。 如本文所述，在光学堆叠中使用不对称扩散器减少显示器中的不期望的缺陷，同时保持显示器的光学增益和/或对比度。 不对称扩散器沿着与相关联的导光膜的线性延伸结构平行的第一方向较少地扩散
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