公开(公告)号：US20100225876A1

公开(公告)日：2010-09-09

申请号：US12596189

申请日：2008-04-16

Applicant: Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri

Inventor： Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri

IPC: G02F1/13 ,  G02B5/30

CPC classification number: G02B5/3016 ,  G02B5/1833 ,  G02B5/3083 ,  G02F1/1337 ,  G02F2001/133757

Abstract: A polarization grating includes a substrate and a first polarization grating layer on the substrate. The first polarization grating layer includes a molecular structure that is twisted according to a first twist sense over a first thickness defined between opposing faces of the first polarization grating layer. Some embodiments may include a second polarization grating layer on the first polarization grating layer. The second polarization grating layer includes a molecular structure that is twisted according to a second twist sense that is opposite the first twist sense over a second thickness defined between opposing faces of the second polarization grating layer. Also, a switchable polarization grating includes a liquid crystal layer between first and second substrates. The liquid crystal layer includes liquid crystal molecules having respective relative orientations that are rotated over a thickness defined between opposing faces thereof by a twist angle that is different from a relative phase angle between respective first and second periodic alignment conditions of the first and second substrates. Related devices and fabrication methods are also discussed.

Abstract translation: 偏振光栅包括衬底和衬底上的第一偏振光栅层。 第一偏振光栅层包括在第一偏振光栅层的相对面之间限定的第一厚度上根据第一扭转感扭转的分子结构。 一些实施例可以包括第一偏振光栅层上的第二偏振光栅层。 第二偏振光栅层包括根据在第二偏振光栅层的相对面之间限定的第二厚度上的与第一扭转感相反的第二扭转感扭转的分子结构。 此外，可切换偏振光栅包括在第一和第二基板之间的液晶层。 液晶层包括具有各自相对取向的液晶分子，该相对取向在相对面之间限定的厚度上旋转扭转角度，该扭曲角度与第一和第二基板的相应的第一和第二周期性取向条件之间的相对相位角不同。 还讨论了相关设备和制造方法。

公开(公告)号：US08358400B2

公开(公告)日：2013-01-22

申请号：US12596168

申请日：2008-04-16

Applicant: Michael James Escuti

Inventor： Michael James Escuti

IPC: G02F1/1337

CPC classification number: G03H1/00 ,  G02B5/1833 ,  G02F1/1337 ,  G02F2001/133757 ,  G02F2201/305

Abstract: A method of fabricating a switchable liquid crystal polarization grating includes creating a degenerate planar anchoring condition on a surface of a reflective substrate. An alignment layer may be formed on a transmissive substrate and may be patterned to create a periodic alignment condition therein. The transmissive substrate including the patterned alignment layer thereon may be assembled adjacent to the surface of the reflective substrate including the degenerate planar anchoring condition thereon to define a gap therebetween. A liquid crystal layer is formed on the surface of the reflective substrate including the degenerate planar alignment condition. The liquid crystal layer may be formed in the gap directly on the alignment layer such that molecules of the liquid crystal layer are aligned based on the periodic alignment condition in the alignment layer. Related fabrication methods and polarization gratings are also discussed.

Abstract translation: 制造可切换液晶偏振光栅的方法包括在反射基板的表面上形成简并平面锚定状态。 取向层可以形成在透射基底上并且可以被图案化以在其中产生周期性取向条件。 包括其上的图案化取向层的透射基板可以与反射基板的表面相邻地组装，包括其上的简并平面锚固条件，以在其之间形成间隙。 在包括简并平面取向条件的反射基板的表面上形成液晶层。 液晶层可以直接形成在取向层上的间隙中，使得液晶层的分子基于取向层中的周期性取向条件而取向。 还讨论了相关的制造方法和偏振光栅。

公开(公告)号：US08339566B2

公开(公告)日：2012-12-25

申请号：US12596189

申请日：2008-04-16

Applicant: Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri

Inventor： Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri

IPC: G02F1/13 ,  G02F1/1335

CPC classification number: G02B5/3016 ,  G02B5/1833 ,  G02B5/3083 ,  G02F1/1337 ,  G02F2001/133757

Abstract: A polarization grating includes a substrate and a first polarization grating layer on the substrate. The first polarization grating layer includes a molecular structure that is twisted according to a first twist sense over a first thickness defined between opposing faces of the first polarization grating layer. Some embodiments may include a second polarization grating layer on the first polarization grating layer. The second polarization grating layer includes a molecular structure that is twisted according to a second twist sense that is opposite the first twist sense over a second thickness defined between opposing faces of the second polarization grating layer. Also, a switchable polarization grating includes a liquid crystal layer between first and second substrates. The liquid crystal layer includes liquid crystal molecules having respective relative orientations that are rotated over a thickness defined between opposing faces thereof by a twist angle that is different from a relative phase angle between respective first and second periodic alignment conditions of the first and second substrates. Related devices and fabrication methods are also discussed.

Abstract translation: 偏振光栅包括衬底和衬底上的第一偏振光栅层。 第一偏振光栅层包括在第一偏振光栅层的相对面之间限定的第一厚度上根据第一扭转感扭转的分子结构。 一些实施例可以包括第一偏振光栅层上的第二偏振光栅层。 第二偏振光栅层包括根据在第二偏振光栅层的相对面之间限定的第二厚度上的与第一扭转感相反的第二扭转感扭转的分子结构。 此外，可切换偏振光栅包括在第一和第二基板之间的液晶层。 液晶层包括具有各自相对取向的液晶分子，该相对取向在相对面之间限定的厚度上旋转的扭转角不同于第一和第二基板的相应的第一和第二周期性取向条件之间的相对相位角。 还讨论了相关设备和制造方法。

公开(公告)号：US08537310B2

公开(公告)日：2013-09-17

申请号：US13122244

申请日：2008-10-09

Applicant: Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri ,  Brandon L. Conover ,  Jihwan Kim

Inventor： Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri ,  Brandon L. Conover ,  Jihwan Kim

IPC: G02F1/1335 ,  G02F1/13

CPC classification number: G02F1/133504 ,  G02F1/133524 ,  G02F1/133526 ,  G02F1/1393 ,  G02F2001/133543 ,  G02F2001/133742 ,  G02F2201/305 ,  G02F2203/06 ,  G03B21/006 ,  H04N9/3167

Abstract: A liquid crystal device includes a first polarization grating (101), a second polarization grating (102), and a liquid crystal layer (103). The first polarization grating (101) is configured to polarize and diffract incident light (190) into first and second beams (195,196) having different polarizations and different directions of propagation relative to that of the incident light (190). The liquid crystal layer (103) is configured to receive the first and second beams (195,196) from the first polarization grating (101). The liquid crystal layer (103) is configured to be switched between a first state that does not substantially affect respective polarizations of the first and second beams (195,196) traveling therethrough, and a second state that alters the respective polarizations of the first and second beams (195,196) traveling therethrough. The second polarization grating (102) is configured to analyze and diffract the first and second beams (195,196) from the liquid crystal layer (103) to alter the different directions of propagation thereof in response to the state of the liquid crystal layer (103). Related devices are also discussed.

Abstract translation: 液晶装置包括第一偏振光栅（101），第二偏振光栅（102）和液晶层（103）。 第一偏振光栅（101）被配置为将入射光（190）偏振并衍射成具有不同偏振和不同传播方向的第一和第二光束（195,196）相对于入射光（190）的偏振方向。 液晶层（103）被配置为从第一偏振光栅（101）接收第一和第二光束（195,196）。 液晶层（103）被配置为在基本上不影响穿过其中的第一和第二光束（195,196）的相应极化的第一状态之间切换，并且改变第一和第二光束的各自偏振的第二状态 （195,196）。 第二偏振光栅（102）被配置为响应于液晶层（103）的状态来分析和衍射来自液晶层（103）的第一和第二光束（195,196），以改变其不同的传播方向， 。 还讨论了相关设备。

公开(公告)号：US20100225856A1

公开(公告)日：2010-09-09

申请号：US12596176

申请日：2008-04-16

Applicant: Michael James Escuti ,  Chulwoo Oh

Inventor： Michael James Escuti ,  Chulwoo Oh

IPC: G02F1/1335 ,  G02F1/13

CPC classification number: G02B5/1833 ,  G02B5/3016

Abstract: A multi-layer polarization grating includes a first polarization grating layer, a second polarization grating layer on the first polarization grating layer, and a third polarization grating layer on the second polarization grating layer, such that the second polarization grating layer is between the first and third polarization grating layers. The second polarization grating layer has a periodic molecular structure that is offset relative to that of the first polarization grating layer along an interface therebetween. The third polarization grating layer may also have a periodic molecular structure that is offset relative to that of the second polarization grating layer along an interface therebetween. As such, the periodic molecular structures of the first and second polarization orating layers may be out of phase by a first relative angular shift, and the periodic molecular structures of the second and third polarization grating layers may be out of phase by a second relative angular shift. Related fabrication methods are also discussed.

Abstract translation: 多层偏振光栅包括第一偏振光栅层，第一偏振光栅层上的第二偏振光栅层和第二偏振光栅层上的第三偏振光栅层，使得第二偏振光栅层在第一和第二偏振光栅层之间， 第三偏振光栅层。 第二偏振光栅层具有周期性的分子结构，其相对于第一偏振光栅层沿着它们之间的界面偏移。 第三偏振光栅层也可以具有相对于沿着它们之间的界面的第二偏振光栅层的周期性分子结构偏移。 这样，第一和第二极化反应层的周期性分子结构可以通过第一相对角位移异相，并且第二和第三偏振光栅层的周期性分子结构可以异相第二相对角度 转移。 还讨论了相关的制造方法。

公开(公告)号：US20090074356A1

公开(公告)日：2009-03-19

申请号：US11665071

申请日：2005-10-14

Applicant: Carlos I. Sanchez ,  Cornelis Wilhelmus Maria Bastiaansen ,  Dirk Jan Broer ,  Michael James Escuti ,  Christianus Martinus Van Heesch

Inventor： Carlos I. Sanchez ,  Cornelis Wilhelmus Maria Bastiaansen ,  Dirk Jan Broer ,  Michael James Escuti ,  Christianus Martinus Van Heesch

IPC: G02B6/26 ,  G03F1/00

CPC classification number: G02B6/124 ,  G02B6/005 ,  G02B6/0056 ,  G02B6/0065 ,  G02B6/1221 ,  G02B6/126

Abstract: The invention relates to an edge-lit slab waveguide equipped with a slanted anisotropic holographic layer, which couples out linearly polarized light. The invention further relates a new slanted anisotropic holographic layer suitable for use on the waveguide according to the invention, to a method to prepare such layer, and devices comprising the waveguide according to the invention.

Abstract translation: 本发明涉及一种装备有倾斜的各向异性全息层的边缘照明平板波导，其耦合线偏振光。 本发明还涉及适用于根据本发明的波导的新的倾斜的各向异性全息图，制备这种层的方法以及包括根据本发明的波导的器件。

公开(公告)号：US08305523B2

公开(公告)日：2012-11-06

申请号：US12596176

申请日：2008-04-16

Applicant: Michael James Escuti ,  Chulwoo Oh

Inventor： Michael James Escuti ,  Chulwoo Oh

IPC: G02B5/30

CPC classification number: G02B5/1833 ,  G02B5/3016

Abstract: A multi-layer polarization grating includes a first polarization grating layer, a second polarization grating layer on the first polarization grating layer, and a third polarization grating layer on the second polarization grating layer, such that the second polarization grating layer is between the first and third polarization grating layers. The second polarization grating layer has a periodic molecular structure that is offset relative to that of the first polarization grating layer along an interface therebetween. The third polarization grating layer may also have a periodic molecular structure that is offset relative to that of the second polarization grating layer along an interface therebetween. As such, the periodic molecular structures of the first and second polarization grating layers may be out of phase by a first relative angular shift, and the periodic molecular structures of the second and third polarization grating layers may be out of phase by a second relative angular shift. Related fabrication methods are also discussed.

Abstract translation: 多层偏振光栅包括第一偏振光栅层，第一偏振光栅层上的第二偏振光栅层和第二偏振光栅层上的第三偏振光栅层，使得第二偏振光栅层在第一和第二偏振光栅层之间， 第三偏振光栅层。 第二偏振光栅层具有周期性的分子结构，其相对于第一偏振光栅层沿着它们之间的界面偏移。 第三偏振光栅层也可以具有相对于沿着它们之间的界面的第二偏振光栅层的周期性分子结构偏移。 这样，第一和第二偏振光栅层的周期性分子结构可以与第一相对角位移异相，并且第二和第三偏振光栅层的周期性分子结构可以与第二相对角度 转移。 还讨论了相关的制造方法。

公开(公告)号：US20110242461A1

公开(公告)日：2011-10-06

申请号：US13122244

申请日：2008-10-09

Applicant: Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri ,  Brandon L. Conover ,  Jihwan Kim

Inventor： Michael James Escuti ,  Chulwoo Oh ,  Ravi Komanduri ,  Brandon L. Conover ,  Jihwan Kim

IPC: G02F1/1335

CPC classification number: G02F1/133504 ,  G02F1/133524 ,  G02F1/133526 ,  G02F1/1393 ,  G02F2001/133543 ,  G02F2001/133742 ,  G02F2201/305 ,  G02F2203/06 ,  G03B21/006 ,  H04N9/3167

Abstract: A liquid crystal device includes a first polarization grating (101), a second polarization grating (102), and a liquid crystal layer (103). The first polarization grating (101) is configured to polarize and diffract incident light (190) into first and second beams (195,196) having different polarizations and different directions of propagation relative to that of the incident light (190). The liquid crystal layer (103) is configured to receive the first and second beams (195,196) from the first polarization grating (101). The liquid crystal layer (103) is configured to be switched between a first state that does not substantially affect respective polarizations of the first and second beams (195,196) traveling therethrough, and a second state that alters the respective polarizations of the first and second beams (195,196) traveling therethrough. The second polarization grating (102) is configured to analyze and diffract the first and second beams (195,196) from the liquid crystal layer (103) to alter the different directions of propagation thereof in response to the state of the liquid crystal layer (103). Related devices are also discussed.

Abstract translation: 液晶装置包括第一偏振光栅（101），第二偏振光栅（102）和液晶层（103）。 第一偏振光栅（101）被配置为将入射光（190）偏振并衍射成具有不同偏振和不同传播方向的第一和第二光束（195,196）相对于入射光（190）的偏振方向。 液晶层（103）被配置为从第一偏振光栅（101）接收第一和第二光束（195,196）。 液晶层（103）被配置为在基本上不影响穿过其中的第一和第二光束（195,196）的相应极化的第一状态之间切换，并且改变第一和第二光束的各自偏振的第二状态 （195,196）。 第二偏振光栅（102）被配置为响应于液晶层（103）的状态来分析和衍射来自液晶层（103）的第一和第二光束（195,196），以改变其不同的传播方向， 。 还讨论了相关设备。

公开(公告)号：US20100231847A1

公开(公告)日：2010-09-16

申请号：US12596168

申请日：2008-04-16

Applicant: Michael James Escuti

Inventor： Michael James Escuti

IPC: G02F1/13 ,  B05D5/06 ,  G03F7/00 ,  G03F7/20

CPC classification number: G03H1/00 ,  G02B5/1833 ,  G02F1/1337 ,  G02F2001/133757 ,  G02F2201/305

Abstract: A method of fabricating a switchable liquid crystal polarization grating includes creating a degenerate planar anchoring condition on a surface of a reflective substrate. An alignment layer may be formed on a transmissive substrate and may be patterned to create a periodic alignment condition therein. The transmissive substrate including the patterned alignment layer thereon may be assembled adjacent to the surface of the reflective substrate including the degenerate planar anchoring condition thereon to define a gap therebetween. A liquid crystal layer is formed on the surface of the reflective substrate including the degenerate planar alignment condition. The liquid crystal layer may be formed in the gap directly on the alignment layer such that molecules of the liquid crystal layer are aligned based on the periodic alignment condition in the alignment layer. Related fabrication methods and polarization gratings are also discussed.

Abstract translation: 制造可切换液晶偏振光栅的方法包括在反射基板的表面上形成简并平面锚定状态。 取向层可以形成在透射基底上并且可以被图案化以在其中产生周期性取向条件。 包括其上的图案化取向层的透射基板可以与反射基板的表面相邻地组装，包括其上的简并平面锚固条件，以在其之间形成间隙。 在包括简并平面取向条件的反射基板的表面上形成液晶层。 液晶层可以直接形成在取向层上的间隙中，使得液晶层的分子基于取向层中的周期性取向条件而取向。 还讨论了相关的制造方法和偏振光栅。

公开(公告)号：US20090233181A1

公开(公告)日：2009-09-17

申请号：US11721059

申请日：2005-12-09

Applicant: Christianus Martinus Van Heesch ,  Carlos Sanchez ,  Michael James Escuti ,  Cornelis Wilhelmus Maria Bastiaansen ,  Dirk Jan Broer

Inventor： Christianus Martinus Van Heesch ,  Carlos Sanchez ,  Michael James Escuti ,  Cornelis Wilhelmus Maria Bastiaansen ,  Dirk Jan Broer

IPC: G03F7/00

CPC classification number: G03F7/038 ,  G03F7/001

Abstract: The present invention relates to a method for the manufacture of a holographic film. The method includes a polymerizable composition that comprises monomers with high reactivity, monomers with low reactivity and a non-reactive material. The method comprises a patterned exposure to obtain a patterned polymerization of the monomers with high reactivity and a subsequent polymerization to polymerize also monomers with low reactivity to form a solid film. The method gives a holographic film with a high refractive index modulation and a modulated porosity.

Abstract translation: 本发明涉及一种制造全息膜的方法。 该方法包括可聚合组合物，其包含具有高反应性的单体，具有低反应性的单体和非反应性材料。 该方法包括图案曝光以获得具有高反应性的单体的图案聚合，并且随后聚合以聚合具有低反应性的单体以形成固体膜。 该方法给出了具有高折射率调制和调制孔隙率的全息膜。