公开(公告)号：US06535267B2

公开(公告)日：2003-03-18

申请号：US09886151

申请日：2001-06-22

申请人： Toru Numata ,  Yasuo Otsuka ,  Mikio Shiraishi ,  Koji Hirata ,  Naoyuki Ogura ,  Shigeru Inaoka ,  Kazunari Nakagawa ,  Shigeru Mori ,  Masahiko Yatsu

发明人： Toru Numata ,  Yasuo Otsuka ,  Mikio Shiraishi ,  Koji Hirata ,  Naoyuki Ogura ,  Shigeru Inaoka ,  Kazunari Nakagawa ,  Shigeru Mori ,  Masahiko Yatsu

IPC分类号： G02F11333

CPC分类号： H04N9/3141 ,  G02F1/133308 ,  G02F1/133385 ,  G02F1/133528 ,  H04N5/7441 ,  H04N9/3102

摘要： For obtaining both high brightness under condition of small-sized and simplified structure and suppression of increase in temperature of liquid crystal display elements and polarizing elements, in a liquid crystal display apparatus, comprising: a liquid crystal display element 2 for converting light from a light source into display picture depending on a driving signal; an optical projection system 1b containing a first optical element 1a and for projecting said light signal toward an object of projection; exit side polarizing elements 3b; a holding member 6 for holding them with the liquid crystal display element 2; and cooling medium 5; incident side polarizing elements 3a, wherein, a space is defined by either one of the incident side polarizing elements 3a and the liquid crystal display element 2, the first optical element 1a, between the liquid crystal display element 2 and the first optical element 1a, and the holding member 6, and said space is filled up with the cooling medium 5.

摘要翻译： 为了在液晶显示装置和液晶显示装置的液晶显示装置和液晶显示装置的温度升高的条件下获得高亮度，并且抑制液晶显示元件和偏振元件的温度升高，包括：液晶显示元件2，用于将来自光的光 根据驱动信号将其输入显示图像; 包含第一光学元件1a并用于将所述光信号投射到投影物体的光学投影系统1b; 出射侧偏振元件3b; 用于将其保持在液晶显示元件2上的保持构件6; 和冷却介质5; 入射侧偏振元件3a，其中，由液晶显示元件2和第一光学元件1a之间的入射侧偏振元件3a和液晶显示元件2中的任一个，第一光学元件1a， 和保持构件6，并且所述空间被冷却介质5填充。

公开(公告)号：US5200814A

公开(公告)日：1993-04-06

申请号：US511790

申请日：1990-04-20

申请人： Koji Hirata ,  Hiroki Yoshikawa ,  Takahiko Yoshida ,  Tooru Numata ,  Masayuki Muranaka ,  Kiyoshi Wada ,  Isao Yoshizaki ,  Shigeru Inaoka

发明人： Koji Hirata ,  Hiroki Yoshikawa ,  Takahiko Yoshida ,  Tooru Numata ,  Masayuki Muranaka ,  Kiyoshi Wada ,  Isao Yoshizaki ,  Shigeru Inaoka

IPC分类号： G02B13/16 ,  G02B13/18 ,  G02B27/00 ,  H04N9/31

CPC分类号： H04N9/31 ,  G02B13/16 ,  G02B13/18 ,  G02B27/0025

摘要： Disclosed is a projection lens system for use in an optical system for magnifying and projecting original images displayed on plural image display devices onto a screen through projection lenses provided in corresponding relation to the image display devices, which projection lens system comprises plural lens elements and in which according to colors or degrees of fineness of original images, the number of constituent lenses, or the shape of lens surface, or an effective aperture of at least one constituent lens element surface, or the number of constituent lenses and the shape of lens surface, or the number of constituent lenses and an effective aperture of at least one constituent lens element surface, or the shape of lens surface and an effective aperture of at least one constituent lens element surface, or the number of constituent lenses, the shape of lens surface and an effective aperture of at least one constituent lens element surface, are changed at a time.

摘要翻译： 公开了一种用于光学系统的投影透镜系统，用于通过与图像显示装置相对应地设置的投影透镜将显示在多个图像显示装置上的原始图像放大和投影到屏幕上，该投影透镜系统包括多个透镜元件，并且 其根据原始图像的颜色或程度，构成透镜的数量，或透镜表面的形状，或至少一个构成透镜元件表面的有效孔径，或构成透镜的数量和透镜表面的形状 ，或构成透镜的数量和至少一个构成透镜元件表面的有效孔径，或透镜表面的形状和至少一个构成透镜元件表面的有效孔径，或构成透镜的数量，透镜的形状 表面和至少一个构成透镜元件表面的有效孔径一次改变。

公开(公告)号：US06829031B2

公开(公告)日：2004-12-07

申请号：US10337400

申请日：2003-01-07

申请人： Toru Numata ,  Yasuo Otsuka ,  Mikio Shiraishi ,  Koji Hirata ,  Naoyuki Ogura ,  Shigeru Inaoka ,  Kazunari Nakagawa ,  Shigeru Mori ,  Masahiko Yatsu

发明人： Toru Numata ,  Yasuo Otsuka ,  Mikio Shiraishi ,  Koji Hirata ,  Naoyuki Ogura ,  Shigeru Inaoka ,  Kazunari Nakagawa ,  Shigeru Mori ,  Masahiko Yatsu

IPC分类号： G02F11333

CPC分类号： H04N9/3141 ,  G02F1/133308 ,  G02F1/133385 ,  G02F1/133528 ,  H04N5/7441 ,  H04N9/3102

摘要： For obtaining both high brightness under condition of small-sized and simplified structure and suppression of increase in temperature of liquid crystal display elements and polarizing elements, in a liquid crystal display apparatus, comprising: a liquid crystal display element 2 for converting light from a light source into display picture depending on a driving signal; an optical projection system 1b containing a first optical element 1a and for projecting said light signal toward an object of projection; exit side polarizing elements 3b; a holding member 6 for holding them with the liquid crystal display element 2; and cooling medium 5; incident side polarizing elements 3a, wherein, a space is defined by either one of the incident side polarizing elements 3a and the liquid crystal display element 2, the first optical element 1a, between the liquid crystal display element 2 and the first optical element 1a, and the holding member 6, and said space is filled up with the cooling medium 5.

摘要翻译： 为了在液晶显示装置和液晶显示装置的液晶显示装置和液晶显示装置的温度升高的条件下获得高亮度，并且抑制液晶显示元件和偏振元件的温度升高，包括：液晶显示元件2，用于将来自光的光 根据驱动信号将其输入显示图像; 包含第一光学元件1a并用于将所述光信号投射到投影物体的光学投影系统1b; 出射侧偏振元件3b; 用于将其保持在液晶显示元件2上的保持构件6; 和冷却介质5; 入射侧偏振元件3a，其中，由液晶显示元件2和第一光学元件1a之间的入射侧偏振元件3a和液晶显示元件2中的任一个，第一光学元件1a， 和保持构件6，并且所述空间被冷却介质5填充。

公开(公告)号：US07460300B2

公开(公告)日：2008-12-02

申请号：US11802125

申请日：2007-05-21

申请人： Koji Hirata ,  Shigeru Inaoka

发明人： Koji Hirata ,  Shigeru Inaoka

IPC分类号： G03B21/60 ,  G03B21/56

CPC分类号： G03B21/625 ,  G03B17/50 ,  G03B21/60

摘要： A screen for use in a projection-type image display apparatus having an image displaying element which includes a plurality of pixels for modulating light from a light source so as to form an enlarged picture on the screen. The screen includes a Fresnel lens sheet, a first sheet disposed on the light emission side of the Fresnel lens sheet, and a second sheet disposed on a light emission side of the first sheet. The first sheet includes a plurality of lenticular lenses which extend in a longitudinal direction and are arranged in a horizontal direction, with light passing window portions being formed at positions opposing the lenticular lenses and with light absorbing portions provided therebetween.

摘要翻译： 一种用于具有图像显示元件的投影型图像显示装置的屏幕，该图像显示元件包括用于调制来自光源的光的多个像素，以便在屏幕上形成放大图像。 该屏幕包括菲涅尔透镜片，设置在菲涅尔透镜片的发光侧的第一片和设置在第一片的发光侧的第二片。 第一片包括沿纵向方向延伸并且沿水平方向布置的多个双凸透镜，其中透光窗部分形成在与双凸透镜相对的位置处，并且设置在其间的光吸收部分。

公开(公告)号：US20070223089A1

公开(公告)日：2007-09-27

申请号：US11802125

申请日：2007-05-21

申请人： Koji Hirata ,  Shigeru Inaoka

发明人： Koji Hirata ,  Shigeru Inaoka

IPC分类号： G03B21/60

CPC分类号： G03B21/625 ,  G03B17/50 ,  G03B21/60

摘要： A screen for use in a projection-type image display apparatus having an image displaying element which includes a plurality of pixels for modulating light from a light source so as to form an enlarged picture on the screen. The screen includes a Fresnel lens sheet, a first sheet disposed on the light emission side of the Fresnel lens sheet, and a second sheet disposed on a light emission side of the first sheet. The first sheet includes a plurality of lenticular lenses which extend in a longitudinal direction and are arranged in a horizontal direction, with light passing window portions being formed at positions opposing the lenticular lenses and with light absorbing portions provided therebetween.

摘要翻译： 一种用于具有图像显示元件的投影型图像显示装置的屏幕，该图像显示元件包括用于调制来自光源的光的多个像素，以便在屏幕上形成放大图像。 该屏幕包括菲涅尔透镜片，设置在菲涅尔透镜片的发光侧的第一片和设置在第一片的发光侧的第二片。 第一片包括沿纵向方向延伸并且沿水平方向布置的多个双凸透镜，其中透光窗部分形成在与双凸透镜相对的位置处，并且设置在其间的光吸收部分。

公开(公告)号：US06256083B1

公开(公告)日：2001-07-03

申请号：US09168921

申请日：1998-10-08

申请人： Toru Numata ,  Yasuo Otsuka ,  Mikio Shiraishi ,  Koji Hirata ,  Naoyuki Ogura ,  Shigeru Inaoka ,  Kazunari Nakagawa ,  Shigeru Mori ,  Masahiko Yatsu

发明人： Toru Numata ,  Yasuo Otsuka ,  Mikio Shiraishi ,  Koji Hirata ,  Naoyuki Ogura ,  Shigeru Inaoka ,  Kazunari Nakagawa ,  Shigeru Mori ,  Masahiko Yatsu

IPC分类号： G02F11335

CPC分类号： H04N9/3141 ,  G02F1/133308 ,  G02F1/133385 ,  G02F1/133528 ,  H04N5/7441 ,  H04N9/3102

摘要： For obtaining both high brightness under condition of small size and simplified structure, and for achieving suppression of increase in temperature of liquid crystal display elements and polarizing elements in a liquid crystal display apparatus, a liquid crystal display element converts light from a light source into a display picture depending on a driving signal, and an optical projection system contains a first optical element and projects a light signal toward an object of projection. A space is defined by an incident side polarizing element or the liquid crystal display element, the first optical element and a holding member, and the space is filled up with a cooling medium.

摘要翻译： 为了在小尺寸和简化结构的条件下获得高亮度，并且为了在液晶显示装置中实现液晶显示元件和偏振元件的温度升高抑制，液晶显示元件将来自光源的光转换成 根据驱动信号显示图像，并且光学投影系统包含第一光学元件并将光信号投射到投射对象。 空间由入射侧偏振元件或液晶显示元件，第一光学元件和保持构件限定，并且空间填充有冷却介质。

公开(公告)号：US5272540A

公开(公告)日：1993-12-21

申请号：US759518

申请日：1991-09-13

申请人： Koji Hirata ,  Hiroki Yoshikawa ,  Tooru Numata ,  Kiyoshi Wada ,  Masayuki Muranaka ,  Isao Yoshizaki ,  Takahiko Yoshida ,  Shigeru Inaoka

发明人： Koji Hirata ,  Hiroki Yoshikawa ,  Tooru Numata ,  Kiyoshi Wada ,  Masayuki Muranaka ,  Isao Yoshizaki ,  Takahiko Yoshida ,  Shigeru Inaoka

IPC分类号： G02B3/12 ,  G02B13/16 ,  G02B13/18 ,  H04N9/31 ,  H04N5/74

CPC分类号： G02B13/16 ,  G02B13/18 ,  G02B3/12 ,  H04N9/31

摘要： In a projection lens device having at least two plastic lenses for magnification-projecting an original image displayed on a display screen onto a screen, one of the two plastic lens is convex at a center thereof toward the screen and concave at a periphery thereof, and the other lens has a weak positive refractive power toward the screen at a center thereof and a stronger positive refractive power at a periphery thereof. A variation of a lens power due to a change of a surrounding environment is cancelled out by the concave shape at the periphery of the one lens and the positive refractive power at the periphery of the other lens.

摘要翻译： 在具有至少两个用于将显示屏上显示的原始图像放大投影到屏幕上的塑料透镜的投影透镜装置中，两个塑料透镜中的一个在其中心处朝向屏幕凸出并在其周边凹陷，并且 另一个透镜在其中心处具有朝向屏幕的弱正的屈光力，并且在其周边具有更强的正折射光焦度。 由于周围环境的变化引起的透镜光焦度的变化通过在一个透镜的周边处的凹形形状和另一个透镜的周边处的正屈光力被抵消。

公开(公告)号：US07023616B2

公开(公告)日：2006-04-04

申请号：US10827338

申请日：2004-04-20

申请人： Koji Hirata ,  Shigeru Inaoka

发明人： Koji Hirata ,  Shigeru Inaoka

IPC分类号： G03B21/56 ,  G03B21/60

CPC分类号： G03B21/625 ,  G03B17/50 ,  G03B21/60

摘要： A screen for allowing light generated by a light source and modulated by a picture display device having pixels laid out to form a matrix to produce an image thereon to be projected on the screen as an enlarged picture. The screen has a Fresnel lens sheet forming Fresnel lenses at an emission side, a first member for receiving light emitted from the Fresnel lens sheet having light passing windows, and a plurality of light absorbing layers and a second member placed on the emission side of the first member. A pitch of the light absorbing layers is made smaller than a pitch in a first direction of pixels projected and enlarged on the screen, and a pitch in a second direction of the pixels is at least twice of a pitch of the Fresnel lenses.

摘要翻译： 一种用于允许由光源产生并由具有被布置成形成矩阵的像素的图像显示装置调制的光的屏幕，以在其上产生要作为放大图像投影在屏幕上的图像。 该屏幕具有在发射侧形成菲涅尔透镜的菲涅耳透镜片，用于接收从具有光通过窗口的菲涅尔透镜片发射的光的第一构件和多个光吸收层以及放置在该发光侧的发射侧的第二构件 第一名成员 使得光吸收层的间距小于在屏幕上投影和放大的像素的第一方向上的间距，并且像素的第二方向上的间距至少是菲涅尔透镜的间距的两倍。

公开(公告)号：US06728031B2

公开(公告)日：2004-04-27

申请号：US09412578

申请日：1999-10-05

申请人： Koji Hirata ,  Shigeru Inaoka

发明人： Koji Hirata ,  Shigeru Inaoka

IPC分类号： G03B2156

CPC分类号： G03B21/625 ,  G03B17/50 ,  G03B21/60

摘要： A projection optical system is used for projecting a light generated by a light source and modulated by a picture display device comprising pixels laid out to form a matrix on a screen as an enlarged picture. The screen is provided with a Fresnel lens sheet placed on an emission side of the picture display device, a first configuration element and a light passing plate fixed on the emission side of the first configuration element. The first configuration element has lenticular lenses and light absorbing layers. The lenticular lenses are provided on an incidence side of a light passing through the Fresnel lens sheet. The light absorbing layers are each provided at a place in close proximity to the focal point of one of the lenticular lenses and are separated from each other by a predetermined distance for forming light passing windows.

摘要翻译： 投影光学系统用于投影由光源产生的光，并由包括放置在屏幕上的矩阵的图像显示装置调制，作为放大图像。 该屏幕设置有放置在图像显示装置的发射侧的菲涅耳透镜片，固定在第一配置元件的发射侧的第一配置元件和透光板。 第一配置元件具有双凸透镜和光吸收层。 双凸透镜设置在穿过菲涅耳透镜片的光的入射侧。 光吸收层各自设置在与双凸透镜中的一个的焦点相邻的位置处，并且彼此分开预定距离以形成光通过窗口。

公开(公告)号：US07221507B2

公开(公告)日：2007-05-22

申请号：US11325521

申请日：2006-01-05

申请人： Koji Hirata ,  Shigeru Inaoka

发明人： Koji Hirata ,  Shigeru Inaoka

IPC分类号： G03B21/56

CPC分类号： G03B21/625 ,  G03B17/50 ,  G03B21/60

摘要： A screen for use in a projection-type image display apparatus having an image displaying element which includes a plurality of pixels for modulating light from a light source so as to form an enlarged picture on the screen. The screen includes a Fresnel lens sheet having Fresnel lenses on a light emission side, a first sheet disposed on the light emission side of the Fresnel lens sheet, and a second sheet disposed on a light emission side of the first sheet and adhered thereto. The first sheet includes a plurality of lenticular lenses formed on a light incident side which extend in a longitudinal direction and are arranged in a horizontal direction, with light passing window portions being formed at positions opposing the lenticular lenses and with light absorbing portions provided therebetween. The second sheet includes a light scattering element therein.

摘要翻译： 一种用于具有图像显示元件的投影型图像显示装置的屏幕，该图像显示元件包括用于调制来自光源的光的多个像素，以便在屏幕上形成放大图像。 屏幕包括在发光侧具有菲涅尔透镜的菲涅尔透镜片，设置在菲涅耳透镜片的发光侧的第一片和设置在第一片的发光侧并附着于其上的第二片。 第一片包括形成在沿着纵向方向延伸并且沿水平方向布置的光入射侧的多个双凸透镜，其中透光窗部分形成在与双凸透镜相对的位置处，并且设置在其间的光吸收部分。 第二片在其中包括光散射元件。