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1. 发明申请

US20080304282A1 BACKLIGHT CONTAINING FORMED BIREFRINGENCE REFLECTIVE POLARIZER 有权
标题翻译：背光包含形成的反射偏振器
公开(公告)号：US20080304282A1
公开(公告)日：2008-12-11
申请号：US11760863
申请日：2007-06-11
申请人： Xiang-Dong Mi , Junwon Lee , David Kessler
发明人： Xiang-Dong Mi , Junwon Lee , David Kessler
IPC分类号： F21V8/00
CPC分类号： G02B6/0056 , G02B6/0053 , G02F1/13362
摘要： A backlight unit comprises: (1) a light source; (2) a light guide plate (LGP) having an incident face toward the light source and having a refractive index nLGP; (3) a reflective polarizer having formed birefringence in optical contact with the LGP including a layer having parameters of the reflective polarizer selected to provide R0>0.8 for one polarization state and T90>0.8 for the orthogonal polarization state, for light of wavelength of 550 nm, for least one reflective polarizer angle of light incidence θa.
摘要翻译：背光单元包括：（1）光源; （2）具有朝向光源的入射面并具有折射率nLGP的导光板（LGP）; （3）具有与LGP光学接触的双折射形成的反射型偏振器，包括具有反射型偏振器的参数的层，对于一个偏振状态而言，对于波长为550的光，为了一个偏振态提供R0> 0.8，对于正交偏振状态提供T90> 0.8 nm，至少一个反射偏振器的光入射角θa。

2. 发明申请

US20070091613A1 BACKLIGHT USING SURFACE-EMITTING LIGHT SOURCES 有权
标题翻译：背光使用表面发光光源
公开(公告)号：US20070091613A1
公开(公告)日：2007-04-26
申请号：US11255909
申请日：2005-10-21
申请人： Junwon Lee , David Kessler , Xiang-Dong Mi
发明人： Junwon Lee , David Kessler , Xiang-Dong Mi
IPC分类号： F21V13/00
CPC分类号： G02F1/133602 , G02F1/133603 , G02F1/133611 , G02F2001/133507 , G02F2001/133607
摘要： A lighting apparatus for providing illumination, comprising: a) an array of surface-emitting light sources, wherein each surface-emitting light source directs a source illumination beam, over a beam angle θ, toward an illumination plane; b) an array of beam spreading optical elements corresponding with the array of surface-emitting light sources, wherein refraction of the source illumination beam by each beam spreading optical element substantially satisfies a distribution function: dy/dθ=ƒ(θ) wherein y is a radial distance along the illumination plane from the optical axis of the beam-spreading optical element, dy is an arbitrarily small increment of the radial distance, dθ is the angular increment of the beam angle corresponding to dy, and ƒ(θ) is the distribution function for the angular distribution of the light source, such that each beam spreading optical element adjusts the luminous intensity of the source illumination beam from the corresponding surface-emitting light source to provide a uniformized illumination beam directed toward the illumination plane; and, c) an array of beam-divergence reducing lens elements, wherein each beam-divergence reducing lens element reduces the angular divergence of a corresponding uniformized illumination beam, providing illumination having improved uniformity and reduced beam divergence thereby.
摘要翻译：一种用于提供照明的照明装置，包括：a）表面发射光源的阵列，其中每个表面发射光源将束照射光束在束角θ上朝向照明平面引导; b）与表面发射光源阵列相对应的光束扩展光学元件的阵列，其中由每个光束扩展光学元件的源照射光束的折射基本上满足分布函数：<？in-line-formula description =“In 线=公式“end =”lead“？> dy / dtheta = f（theta）<？in-line-formula description =”In-line Formulas“end =”tail“？>其中y是沿着照明的径向距离平面从光束扩展光学元件的光轴，dy是径向距离的任意小的增量，dta是对应于dy的光束角的角增量，f（θ）是角分布的分布函数使得每个光束扩展光学元件调节来自相应的表面发射光源的源照射光束的发光强度，以提供指向照明平面的均匀照明光束; 以及c）光束发散减少透镜元件的阵列，其中每个光束发散减小透镜元件减小对应的均匀照明光束的角度发散，从而提供具有改善的均匀性并且由此减小光束发散的照明。

3. 发明授权

US07229199B2 Backlight using surface-emitting light sources 有权
公开(公告)号：US07229199B2
公开(公告)日：2007-06-12
申请号：US11255909
申请日：2005-10-21
申请人： Junwon Lee , David Kessler , Xiang-Dong Mi
发明人： Junwon Lee , David Kessler , Xiang-Dong Mi
IPC分类号： F21V5/00
CPC分类号： G02F1/133602 , G02F1/133603 , G02F1/133611 , G02F2001/133507 , G02F2001/133607
摘要： A lighting apparatus for providing illumination, comprising: a) an array of surface-emitting light sources, wherein each surface-emitting light source directs a source illumination beam, over a beam angle θ, toward an illumination plane; b) an array of beam spreading optical elements corresponding with the array of surface-emitting light sources, wherein refraction of the source illumination beam by each beam spreading optical element substantially satisfies a distribution function: dy / d ⁢ ⁢ θ = f ⁡ ( θ ) wherein y is a radial distance along the illumination plane from the optical axis of the beam-spreading optical element, dy is an arbitrarily small increment of the radial distance, dθ is the angular increment of the beam angle corresponding to dy, and ƒ(θ) is the distribution function for the angular distribution of the light source, such that each beam spreading optical element adjusts the luminous intensity of the source illumination beam from the corresponding surface-emitting light source to provide a uniformized illumination beam directed toward the illumination plane; and, c) an array of beam-divergence reducing lens elements, wherein each beam-divergence reducing lens element reduces the angular divergence of a corresponding uniformized illumination beam, providing illumination having improved uniformity and reduced beam divergence thereby.

4. 发明授权

US07618178B2 Backlight containing formed birefringence reflective polarizer 有权
标题翻译：背光含有形成的双折射反射偏振器
公开(公告)号：US07618178B2
公开(公告)日：2009-11-17
申请号：US11760863
申请日：2007-06-11
申请人： Xiang-Dong Mi , Junwon Lee , David Kessler
发明人： Xiang-Dong Mi , Junwon Lee , David Kessler
IPC分类号： F21V7/04
CPC分类号： G02B6/0056 , G02B6/0053 , G02F1/13362
摘要： A backlight unit comprises: (1) a light source; (2) a light guide plate (LGP) having an incident face toward the light source and having a refractive index nLGP; (3) a reflective polarizer having formed birefringence in optical contact with the LGP including a layer having parameters of the reflective polarizer selected to provide R0>0.8 for one polarization state and T90>0.8 for the orthogonal polarization state, for light of wavelength of 550 nm, for least one reflective polarizer angle of light incidence θa.
摘要翻译：背光单元包括：（1）光源; （2）具有朝向光源的入射面并具有折射率nLGP的导光板（LGP）; （3）具有与LGP光学接触的双折射形成的反射型偏振器，包括具有反射型偏振器的参数的层，对于一个偏振状态而言，对于波长为550的光，为了一个偏振态提供R0> 0.8，对于正交偏振状态提供T90> 0.8 nm，至少一个反射偏振器的光入射角θa。

5. 发明授权

US07184115B2 Display apparatus with two polarization compensators 有权
标题翻译：具有两个偏振补偿器的显示装置
公开(公告)号：US07184115B2
公开(公告)日：2007-02-27
申请号：US11198916
申请日：2005-08-05
申请人： Xiang-Dong Mi , Andrew F. Kurtz , David Kessler
发明人： Xiang-Dong Mi , Andrew F. Kurtz , David Kessler
IPC分类号： G02F1/1335 , G02B5/30
CPC分类号： H04N9/3167 , G02B5/3016 , G02B5/3058 , G02B27/18 , G02B27/283 , G02F1/133536 , G02F1/133634 , G02F2001/133548 , G02F2001/133638 , G02F2203/02 , H04N9/3108 , H04N9/3191
摘要： A projection display apparatus (10) uses a modulation optical system (200) that includes a liquid crystal device (210) in combination with a wire grid polarization beamsplitter (240), a wire grid polarization analyzer (270) and a projection lens (285) to form an image. In order to achieve high contrast and maintain high brightness levels, a compensator (260) is provided for minimizing leakage light for pixels in the black (OFF) state. A number of configurations are possible, such as with the compensator (260) disposed in the optical path between the liquid crystal device (210) and the wire grid polarization beamsplitter (240) and with a secondary compensator (265) disposed between wire grid polarization analyzer (270) and the wire grid polarization beamsplitter (240).
摘要翻译：投影显示装置（10）使用包括液晶装置（210）的调制光学系统（200）和线栅偏振分束器（240），线栅偏振分析器（270）和投影透镜（285））形成图像。为了实现高对比度并保持高亮度水平，提供补偿器（260）以最小化黑色（OFF）状态下的像素的泄漏光。多个配置是可能的，例如，补偿器（260）设置在液晶装置（210）和线栅偏振分束器（240）之间的光路中，并且辅助补偿器（265）设置在线栅极化分析器（270）和线栅偏振分束器（240）。

6. 发明授权

US07359020B2 Optical devices of substantially identical crossed sheet polarizer packages with compensator having biaxial plate 有权
标题翻译：具有基本相同的交叉薄片偏振器封装的光学器件，其具有具有双轴板的补偿器
公开(公告)号：US07359020B2
公开(公告)日：2008-04-15
申请号：US11324686
申请日：2006-01-03
申请人： Xiang-Dong Mi , David Kessler , Andrew F. Kurtz , Tomohiro Ishikawa
发明人： Xiang-Dong Mi , David Kessler , Andrew F. Kurtz , Tomohiro Ishikawa
IPC分类号： G02F1/13363
CPC分类号： G02B27/286 , G02F1/133634
摘要： Disclosed is an optical device comprising a polarizer package comprising an integrated combination of an absorbing layer and a compensator. Two of the identical polarizer packages can be crossed and used in a transmissive optical device. This polarizer package can also be used in combination with a reflective plate and a quarter wave plate in a reflective optical device. Such polarizer packages exhibit an improved viewing angle characteristic across all wavelengths of interest, has a large tolerance for compensators to be aligned relative to their preferred directions, and can be used within an LCD or emissive display system.
摘要翻译：公开了一种光学装置，其包括偏振器封装，其包括吸收层和补偿器的集成组合。两个相同的偏振器封装可以交叉并用在透射光学器件中。该偏振器封装还可以与反射型光学器件中的反射板和四分之一波片组合使用。这种偏振器封装在所有感兴趣的波长上表现出改进的视角特性，对补偿器相对于其优选方向进行对准具有很大的公差，并且可以在LCD或发射显示系统中使用。

7. 发明授权

US06995816B2 Optical devices comprising high performance polarizer package 有权
公开(公告)号：US06995816B2
公开(公告)日：2006-02-07
申请号：US10121991
申请日：2002-04-12
申请人： Xiang-Dong Mi , David Kessler , Andrew F. Kurtz , Tomohiro Ishikawa
发明人： Xiang-Dong Mi , David Kessler , Andrew F. Kurtz , Tomohiro Ishikawa
IPC分类号： G02F1/1335
CPC分类号： G02B27/286 , G02F1/133634
摘要： Disclosed is a polarizer package comprising an integrated combination of an absorbing layer and a compensator. Two of the identical polarizer packages can be crossed and used in a transmissive optical device. This polarizer package can also be used in combination with a reflective plate and a quarter wave plate in a reflective optical device. Such polarizer packages exhibit an improved viewing angle characteristic across all wavelengths of interest, has a large tolerance for compensators to be aligned relative to their preferred directions, and can be used within an LCD or emissive display system.

8. 发明授权

US06954245B2 Display apparatus with two polarization compensators 有权
标题翻译：具有两个偏振补偿器的显示装置
公开(公告)号：US06954245B2
公开(公告)日：2005-10-11
申请号：US10855201
申请日：2004-05-27
申请人： Xiang-Dong Mi , Andrew F. Kurtz , David Kessler
发明人： Xiang-Dong Mi , Andrew F. Kurtz , David Kessler
IPC分类号： G02B5/30 , G02B27/18 , G02B27/28 , G02F1/1335 , G03B21/00 , H04N9/31
CPC分类号： H04N9/3167 , G02B5/3016 , G02B5/3058 , G02B27/18 , G02B27/283 , G02F1/133536 , G02F1/133634 , G02F2001/133548 , G02F2001/133638 , G02F2203/02 , H04N9/3108 , H04N9/3191
摘要： A projection display apparatus (10) uses a modulation optical system (200) that includes a liquid crystal device (210) in combination with a wire grid polarization beamsplitter (240), a wire grid polarization analyzer (270) and a projection lens (285) to form an image. In order to achieve high contrast and maintain high brightness levels, a compensator (260) is provided for minimizing leakage light for pixels in the black (OFF) state. A number of configurations are possible, such as with the compensator (260) disposed in the optical path between the liquid crystal device (210) and the wire grid polarization beamsplitter (240) and with a secondary compensator (265) disposed between wire grid polarization analyzer (270) and the wire grid polarization beamsplitter (240).
摘要翻译：投影显示装置（10）使用包括液晶装置（210）的调制光学系统（200）和线栅偏振分束器（240），线栅偏振分析器（270）和投影透镜（285））形成图像。为了实现高对比度并保持高亮度水平，提供补偿器（260）以最小化黑色（OFF）状态下的像素的泄漏光。多个配置是可能的，例如，补偿器（260）设置在液晶装置（210）和线栅偏振分束器（240）之间的光路中，并且辅助补偿器（265）设置在线栅极化分析器（270）和线栅偏振分束器（240）。

9. 发明授权

US06897926B2 Modulation optical system including a compensator conditioning oblique and skew rays 有权
标题翻译：调制光学系统包括补偿器调理倾斜和歪斜光线
公开(公告)号：US06897926B2
公开(公告)日：2005-05-24
申请号：US10855757
申请日：2004-05-27
申请人： Xiang-Dong Mi , Andrew F. Kurtz , David Kessler
发明人： Xiang-Dong Mi , Andrew F. Kurtz , David Kessler
IPC分类号： G02B5/30 , G02B27/18 , G02B27/28 , G02F1/1335 , G03B21/00 , H04N9/31
CPC分类号： H04N9/3167 , G02B5/3016 , G02B5/3058 , G02B27/18 , G02B27/283 , G02F1/133536 , G02F1/133634 , G02F2001/133548 , G02F2001/133638 , G02F2203/02 , H04N9/3108 , H04N9/3191
摘要： A projection display apparatus (10) uses a modulation optical system (200) that includes a liquid crystal device (210) in combination with a wire grid polarization beamsplitter (240), a wire grid polarization analyzer (270) and a projection lens (285) to form an image. In order to achieve high contrast and maintain high brightness levels, a compensator (260) is provided for minimizing leakage light for pixels in the black (OFF) state. A number of configurations are possible, such as with the compensator (260) disposed in the optical path between the liquid crystal device (210) and the wire grid polarization beamsplitter (240) and with a secondary compensator (265) disposed between wire grid polarization analyzer (270) and the wire grid polarization beamsplitter (240).
摘要翻译：投影显示装置（10）使用包括液晶装置（210）的调制光学系统（200）和线栅偏振分束器（240），线栅偏振分析器（270）和投影透镜（285））形成图像。为了实现高对比度并保持高亮度水平，提供补偿器（260）以最小化黑色（OFF）状态下的像素的泄漏光。多个配置是可能的，例如，补偿器（260）设置在液晶装置（210）和线栅偏振分束器（240）之间的光路中，并且辅助补偿器（265）设置在线栅极化分析器（270）和线栅偏振分束器（240）。

10. 发明授权

US07295262B2 Display apparatus having collimated illumination 有权
标题翻译：具有准直照明的显示装置
公开(公告)号：US07295262B2
公开(公告)日：2007-11-13
申请号：US11102131
申请日：2005-04-08
申请人： Xiang-Dong Mi , Tomohiro Ishikawa , David Kessler
发明人： Xiang-Dong Mi , Tomohiro Ishikawa , David Kessler
IPC分类号： G02F1/1335 , A47F3/00
CPC分类号： G02B6/0053 , G02F1/133606 , G02F2001/133607
摘要： A display apparatus (30) has an LC device (14) exhibiting its maximum contrast with incident light at an oblique angle φ from normal, wherein oblique angle φ is greater than about +/−10 degrees from normal. A backlight unit (32) provides substantially collimated illumination with a central ray at an incident angle θ2 with respect to the LC device (14), wherein incident angle θ2 within about +/−5 degrees of oblique angle φ. The full-width half-maximum intensity of the illumination is within about +/−10 degrees of the central ray at incident angle θ2.
摘要翻译：显示装置（30）具有与正常的倾斜角度φi相对应的入射光的最大对比度的LC装置（14），其中倾斜角度phi比正常大约+/- 10度。背光单元（32）相对于LC装置（14）以入射角θ2提供具有中心射线的基本上准直的照明，其中入射角θ<2> 约+/- 5度的倾斜角度。照明的全宽度半最大强度在入射角θ2θ处的中心射线的大约+/- 10度内。

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