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1. 发明授权

US5274480A Projection type display apparatus having an aperture stop means including non-circular openings 失效
标题翻译：具有包括非圆形开口的孔径光阑装置的投射型显示装置
公开(公告)号：US5274480A
公开(公告)日：1993-12-28
申请号：US799310
申请日：1991-11-27
申请人： Yoshinori Hirai , Yoshiharu Ooi , Tomoki Gunjima
发明人： Yoshinori Hirai , Yoshiharu Ooi , Tomoki Gunjima
IPC分类号： H04N9/31 , G02F1/133
CPC分类号： H04N9/315
摘要： A projection type display apparatus comprises a light source optical system having an anisotropic luminance distribution, a transparent-scattering type display element for controlling light emitted from the light source optical system and a projection optical system having an aperture which projects the transmitted light, wherein the aperture of the projection optical system is an aperture having a non-circular opening which is disposed in the vicinity of the focal point of the transmitted light of the transparent-scattering type display element.

2. 发明授权

US5216531A Projection type active matrix polymer dispersed liquid crystal display apparatus with particles of liquid crystal material randomly oriented 失效
标题翻译：投影类型活性基质聚合物分散液晶显示装置与液晶材料颗粒随机指向
公开(公告)号：US5216531A
公开(公告)日：1993-06-01
申请号：US748841
申请日：1991-08-23
申请人： Yoshinori Hirai , Tomoki Gunjima , Satoshi Niiyama , Yoshiharu Ooi
发明人： Yoshinori Hirai , Tomoki Gunjima , Satoshi Niiyama , Yoshiharu Ooi
IPC分类号： G02F1/1334
CPC分类号： G02F1/1334
摘要： An active matrix liquid crystal display element comprising an active matrix substrate having an active element for each electrode for picture element, a counter electrode substrate provided with a counter electrode and a liquid crystal polymer composite material in which a nematic liquid crystal having a positive dielectric anisotropy is dispersed and held in a polymer matrix, said liquid crystal polymer composite material being held between the active matrix substrate and the counter electrode substrate wherein the refractive index of the polymer matrix substantially agrees with the ordinary refractive index (n.sub.0) of the liquid crystal used, characterized in that the refractive index anisotropy .DELTA.n of the nematic liquid crystal used is 0.18 or higher, and the average particle diameter R(.mu.m) of the liquid crystal dispersed and held in the polymer matrix, the aspect ratio A in average of liquid crystal particles, and the specific dielectric anisotropy .DELTA..epsilon., the elastic constant K33(10.sup.-12 N) and the viscosity .eta. (cSt) of the liquid crystal satisfy the following relations:3(K33/.eta.).sup.0.5 >R/A>0.7(K33/.DELTA..epsilon.).sup.0.5 (1)and1.3

3. 发明授权

US5206746A Transparent-scattering type optical device including a prism with a triangular longitudinal cross section 失效
标题翻译：透明散射型光学器件，其包括具有三角形纵截面的棱镜
公开(公告)号：US5206746A
公开(公告)日：1993-04-27
申请号：US729499
申请日：1991-07-12
申请人： Yoshiharu Ooi , Tomoki Gunjima , Yoshinori Hirai
发明人： Yoshiharu Ooi , Tomoki Gunjima , Yoshinori Hirai
IPC分类号： G02F1/1334 , G02F1/1335 , G02F1/137
CPC分类号： G02F1/133526 , G02F1/1334 , G02F2001/13756
摘要： A transparent-scattering type optical device which includes a transparent-scattering type optical element having a layer of transparent-scattering mode optical material whose light scattering characteristics are changed in response to an external input; at least one prism having a bottom surface which is attached to an end portion of the transparent-scattering type optical element, and where the prism has a longitudinal cross section of a shape which is either triangular or triangular with a top portion cut away. A pair of angles formed by two opposite sides of the prism and the bottom surface are between 65.degree. and 90.degree. inclusive where one of the two angles is not equal to 90.degree.. A light absorbing face is formed from an area of the prism surface defined by portions of the two opposite sides of the prism nearest to the top.
摘要翻译：一种透明散射型光学器件，其包括透明散射型光学元件，该透明散射型光学元件具有透光散射模式光学材料层，其光散射特性响应于外部输入而改变; 至少一个棱镜，其具有附着到透明散射型光学元件的端部的底面，并且其中所述棱镜具有三角形或三角形形状的纵向截面，顶部被切除。由棱镜和底面的两个相对侧形成的一对角度在65°和90°之间，其中两个角度之一不等于90°。从由最靠近顶部的棱镜的两个相对侧的部分限定的棱镜表面的区域形成光吸收面。

4. 发明申请

US20060239171A1 Polarizing diffraction element and optical head device 失效
$Polarizing diffraction element and optical head device$
标题翻译：极化衍射元件和光学头装置
公开(公告)号：US20060239171A1
公开(公告)日：2006-10-26
申请号：US11474435
申请日：2006-06-26
申请人： Yoshiharu Ooi , Hiromasa Sato , Tomoki Gunjima
发明人： Yoshiharu Ooi , Hiromasa Sato , Tomoki Gunjima
IPC分类号： G11B7/135
CPC分类号： G11B7/1353 , G02B5/18 , G02B5/30 , G03H1/0248 , G03H2222/31 , G11B7/1275
摘要： A polarizing diffraction element having a wavelength selectivity which functions as a polarizing diffraction element at a wavelength λ1, and which does not function as a diffraction grating not depending on incident polarization state and shows high transmittance at a wavelength λ2, and an optical head device employing the element, are provided. The polarizing diffraction element selectively diffracts or transmits incident light having two different wavelengths each containing a first circularly polarized light and a second circularly polarized light having a rotation opposite from the rotation of the first circularly polarized light, depending on wavelength and polarization state of the incident light. Then, a reflective wavelength region for at least the first circularly incident light, does not contain said two incident wavelengths.
摘要翻译：具有波长选择性的偏振衍射元件，该波长选择性用作波长λ1的偏振衍射元件，并且不用作不依赖于入射偏振状态的衍射光栅，并且在波长处表现出高的透射率 λ2＆gt;和采用该元件的光学头装置。偏振衍射元件选择性地衍射或透射具有两个不同波长的入射光，每个入射光包含第一圆偏振光和具有与第一圆偏振光的旋转相反的旋转的第二圆偏振光，这取决于事件的波长和偏振状态光。然后，至少第一圆形入射光的反射波长区域不包含所述两个入射波长。

5. 发明授权

US07738346B2 Polarizing diffraction element and optical head device 失效
$Polarizing diffraction element and optical head device$
标题翻译：极化衍射元件和光学头装置
公开(公告)号：US07738346B2
公开(公告)日：2010-06-15
申请号：US11474435
申请日：2006-06-26
申请人： Yoshiharu Ooi , Hiromasa Sato , Tomoki Gunjima
发明人： Yoshiharu Ooi , Hiromasa Sato , Tomoki Gunjima
IPC分类号： G11B7/135
CPC分类号： G11B7/1353 , G02B5/18 , G02B5/30 , G03H1/0248 , G03H2222/31 , G11B7/1275
摘要： A polarizing diffraction element having a wavelength selectivity which functions as a polarizing diffraction element at a wavelength λ1, and which does not function as a diffraction grating not depending on incident polarization state and shows high transmittance at a wavelength λ2, and an optical head device employing the element, are provided.The polarizing diffraction element selectively diffracts or transmits incident light having two different wavelengths each containing a first circularly polarized light and a second circularly polarized light having a rotation opposite from the rotation of the first circularly polarized light, depending on wavelength and polarization state of the incident light. Then, a reflective wavelength region for at least the first circularly incident light, does not contain said two incident wavelengths.
摘要翻译：具有波长选择性的偏振衍射元件，该波长选择性用作波长λ1的偏振衍射元件，并且不用作不依赖于入射偏振态的衍射光栅，并且在波长λ2处表现出高的透射率;以及采用提供了元素。偏振衍射元件选择性地衍射或透射具有两个不同波长的入射光，每个入射光包含第一圆偏振光和具有与第一圆偏振光的旋转相反的旋转的第二圆偏振光，这取决于事件的波长和偏振状态光。然后，至少第一圆形入射光的反射波长区域不包含所述两个入射波长。

6. 再颁专利

USRE38305E1 LCD device including an illumination device having a polarized light separating sheet between a light guide and the display 有权
标题翻译： LCD装置包括在光导和显示器之间具有偏振光分离片的照明装置
公开(公告)号：USRE38305E1
公开(公告)日：2003-11-11
申请号：US09512735
申请日：2000-02-24
申请人： Tomoki Gunjima , Yoshiharu Ooi , Masao Ozeki , Hiroaki Ito , Hiroshi Hasebe , Tetsuro Matsumoto , Yutaka Nakagawa
发明人： Tomoki Gunjima , Yoshiharu Ooi , Masao Ozeki , Hiroaki Ito , Hiroshi Hasebe , Tetsuro Matsumoto , Yutaka Nakagawa
IPC分类号： G02F11335
CPC分类号： G02B6/0056 , F21V9/14 , G02B6/0053 , G02F1/133615 , G02F1/13362 , G02F2001/13355
摘要： An illumination device for a direct viewing type display element comprising a flat light guide; a light source set such that light is incident on a side portion of said flat light guide; a polarized light separating flat set on a first side of a light emitting side of the flat light guide for transmitting a p polarized light component and reflecting at least a portion of an a polarized light component with respect to a light ray substantially having a predetermined direction of incidence; and a light reflecting sheet disposed on a second side opposite to said light emitting side of the flat light guide in parallel with the light emitting site.

7. 发明授权

US5587816A LCD device including an illumination device having a polarized light separating sheet between a light guide and the display 失效
标题翻译： LCD装置包括在光导和显示器之间具有偏振光分离片的照明装置
公开(公告)号：US5587816A
公开(公告)日：1996-12-24
申请号：US530012
申请日：1995-10-19
申请人： Tomoki Gunjima , Yoshiharu Ooi , Masao Ozeki , Hiroaki Ito , Hiroshi Hasebe , Tetsuro Matsumoto , Yutaka Nakagawa
发明人： Tomoki Gunjima , Yoshiharu Ooi , Masao Ozeki , Hiroaki Ito , Hiroshi Hasebe , Tetsuro Matsumoto , Yutaka Nakagawa
IPC分类号： F21V8/00 , F21V9/14 , G02B6/00 , G02F1/13357 , G02F1/1335
CPC分类号： G02B6/0056 , F21V9/14 , G02F1/13362 , G02B6/0038 , G02B6/0053 , G02B6/0055 , G02F1/133615 , G02F2001/13355
摘要： An illumination device for a direct viewing type display element comprising a flat light guide; a light source set such that light is incident on a side portion of said flat light guide; a polarized light separating flat set on a first side of a light emitting side of the flat light guide for transmitting a p polarized light component and reflecting at least a portion of an s polarized light component with respect to a light ray substantially having a predetermined direction of incidence; and a light reflecting sheet disposed on a second side opposite to said light emitting side of the flat light guide in parallel with the light emitting site.
摘要翻译：一种用于直视式显示元件的照明装置，包括平面光导; 光源，其设置成使得光入射在所述平面光导的侧部; 在平坦光导的发光侧的第一侧上分离平板的偏振光，用于透射p偏振光分量，并相对于基本上具有预定方向的光线反射至少一部分偏振光分量发病率以及与发光部位平行地配置在与平坦光导的所述发光侧相反的第二侧的光反射片。

8. 再颁专利

USRE37377E1 LCD device including an illumination device having a polarized light separating sheet between a light guide and the display 失效
标题翻译： LCD装置包括在光导和显示器之间具有偏振光分离片的照明装置
公开(公告)号：USRE37377E1
公开(公告)日：2001-09-18
申请号：US09016409
申请日：1998-01-30
申请人： Tomoki Gunjima , Yoshiharu Ooi , Masao Ozeki , Hiroaki Ito , Hiroshi Hasebe , Tetsuro Matsumoto , Yutaka Nakagawa
发明人： Tomoki Gunjima , Yoshiharu Ooi , Masao Ozeki , Hiroaki Ito , Hiroshi Hasebe , Tetsuro Matsumoto , Yutaka Nakagawa
IPC分类号： G02F11335
CPC分类号： G02B6/0056 , F21V9/14 , G02B6/0053 , G02F1/133615 , G02F1/13362 , G02F2001/13355
摘要： An illumination device for a direct viewing type display element comprising a flat light guide; a light source set such that light is incident on a side portion of said flat light guide; a polarized light separating flat set on a first side of a light emitting side of the flat light guide for transmitting a p polarized light component and reflecting at least a portion of an s polarized light component with respect to a light ray substantially having a predetermined direction of incidence; and a light reflecting sheet disposed on a second side opposite to said light emitting side of the flat light guide in parallel with the light emitting site.
摘要翻译：一种用于直视式显示元件的照明装置，包括平面光导; 光源，其设置成使得光入射在所述平面光导的侧部; 在平坦光导的发光侧的第一侧上分离平板的偏振光，用于透射p偏振光分量，并相对于基本上具有预定方向的光线反射至少一部分偏振光分量发病率以及与发光部位平行地配置在与平坦光导的所述发光侧相反的第二侧的光反射片。

9. 发明授权

US5245449A Polymer dispersed liquid crystal color projection display apparatus 失效
标题翻译：聚合物分散液晶彩色投影显示装置
公开(公告)号：US5245449A
公开(公告)日：1993-09-14
申请号：US574811
申请日：1990-08-30
申请人： Yoshiharu Ooi , Tomoki Gunjima
发明人： Yoshiharu Ooi , Tomoki Gunjima
IPC分类号： H04N9/31
CPC分类号： H04N9/3105
摘要： A liquid crystal color projection display apparatus having a projection light source, a plurality of liquid crystal display elements for separately modulating lights of a plurality of colors from the projection light source and an optical projection system for projecting light to a projection screen, wherein a liquid crystal and polymer composite put between a pair of substrates each equipped with an electrode is used as the liquid crystal display element, in which a liquid crystal material is dispersed and held in a polymer matrix and the refractive index of the polymer matrix substantially agrees with the ordinary light refractive index (n.sub.o) of the liquid crystal material used, a dichroic mirror is used for color splitting or color synthesis and the dependence of dichroic mirror's spectral characteristics upon the state of polarization is decreased. Clear color images of high purity and excellent hue can be obtained. Size and the cost of the liquid crystal display apparatus can be reduced.

10. 发明授权

US5754260A Projection type color liquid crystal optical apparatus 失效
标题翻译：投影型彩色液晶光学装置
公开(公告)号：US5754260A
公开(公告)日：1998-05-19
申请号：US810984
申请日：1997-02-27
申请人： Yoshiharu Ooi , Tsuneo Wakabayashi , Shigeyuki Serizawa , Yoshiyuki Sonda , Masaya Kunigita , Yoshinori Hirai
发明人： Yoshiharu Ooi , Tsuneo Wakabayashi , Shigeyuki Serizawa , Yoshiyuki Sonda , Masaya Kunigita , Yoshinori Hirai
IPC分类号： H04N9/31 , G02F1/1335
CPC分类号： H04N9/315 , H04N9/3105
摘要： A light source optical system for projection 1, dichroic mirrors 21, 22 disposed to have a predetermined included angle .beta., a reflection type liquid crystal optical element blocks 31-33 each including a closely contacted converging lens and having a reflection surface and a projection optical system 4 are provided, wherein the normal line of a dichroic mirror surface and the optical axis of incident light form an included angle .alpha.; the normal line of the reflection surface and the optical axis of incident light form an included angle .gamma.; light emitted from a light source is color-separated so as to become color lights; the color lights are rendered to be parallel light beams, and are modulated and reflected by means of the reflection type liquid crystal optical elements; the reflected light beams are color-synthesized; and the color-synthesized light is projected through a projection lens. A projection type color liquid crystal optical apparatus having a compact shape and a high brightness is obtainable.
摘要翻译：用于突起1的光源光学系统，设置成具有预定夹角β的分色镜21,22，每个包括紧密接合的会聚透镜并具有反射表面的反射型液晶光学元件块31-33和具有反射面的投影光学系统4，其中分色镜表面的法线和入射光的光轴形成夹角α; 反射面的法线和入射光的光轴形成夹角γ; 从光源发出的光被颜色分离，成为色光; 彩色光成为平行光束，通过反射型液晶光学元件进行调制和反射; 反射光束被彩色合成; 并且通过投影透镜投射彩色合成光。可以获得具有紧凑形状和高亮度的投影型彩色液晶光学装置。

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