公开(公告)号：US20100195019A1

公开(公告)日：2010-08-05

申请号：US12663731

申请日：2008-06-10

申请人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Kazuhide Hirota ,  Koichi Takemura ,  Takuma Iwase ,  Takako Ishikawa ,  Yoshihiro Ueno ,  Morihisa Ota ,  Jun Kishimoto ,  Gouo Kurata ,  Yukihiro Takahashi ,  Hiroyuki Miyamoto

发明人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Kazuhide Hirota ,  Koichi Takemura ,  Takuma Iwase ,  Takako Ishikawa ,  Yoshihiro Ueno ,  Morihisa Ota ,  Jun Kishimoto ,  Gouo Kurata ,  Yukihiro Takahashi ,  Hiroyuki Miyamoto

IPC分类号： G02F1/1335 ,  F21V7/04

CPC分类号： G02B6/0035 ,  G02B6/0016 ,  G02B6/0018 ,  G02B6/002 ,  G02B6/0036 ,  G02B6/0038

摘要： A light guide plate (63) includes a light introducing section (65), which is at a position facing a point light source (62), for confining light from the point light source, and a light guide plate main body (64), which has a thickness smaller than a thickness at an end of the light introducing section on the point light source side, for outputting the confined light to an outside from a light outputting surface by light outputting means (70). The light introducing section (65) has an inclined surface (67), which is inclined from a surface of the light introducing section towards a surface of the light guide plate main body (64). The inclined surface (67) has a directivity converting pattern (68) for converting a directivity expansion in a thickness direction of the light guide plate of the light entered to the light introducing section (65) to directivity characteristics tilted towards a direction parallel to a surface direction of the light guide plate. The directivity converting pattern (68) has a structure in which a plurality of V-shaped groove structures (68a) are lined.

摘要翻译： 导光板（63）包括位于与点光源（62）相对的位置的用于限制来自点光源的光的光导入部（65）和导光板主体（64）， 其厚度小于点光源侧的光导入部分的端部的厚度，用于通过光输出装置（70）从光输出表面将限制的光输出到外部。 光导入部65具有从导光部的表面朝向导光板主体64的表面倾斜的倾斜面67。 倾斜面（67）具有指向性转换图案（68），用于将入射到光导入部（65）的光的导光板的厚度方向的方向性扩展转换成朝向与 导光板的表面方向。 方向转换图案（68）具有多个V形槽结构（68a）被排列的结构。

公开(公告)号：US08345184B2

公开(公告)日：2013-01-01

申请号：US12663731

申请日：2008-06-10

申请人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Kazuhide Hirota ,  Koichi Takemura ,  Takuma Iwase ,  Takako Ishikawa ,  Yoshihiro Ueno ,  Morihisa Ota ,  Jun Kishimoto ,  Gouo Kurata ,  Yukihiro Takahashi ,  Hiroyuki Miyamoto

发明人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Kazuhide Hirota ,  Koichi Takemura ,  Takuma Iwase ,  Takako Ishikawa ,  Yoshihiro Ueno ,  Morihisa Ota ,  Jun Kishimoto ,  Gouo Kurata ,  Yukihiro Takahashi ,  Hiroyuki Miyamoto

IPC分类号： G02F1/1335 ,  F21V7/04

CPC分类号： G02B6/0035 ,  G02B6/0016 ,  G02B6/0018 ,  G02B6/002 ,  G02B6/0036 ,  G02B6/0038

摘要： A light guide plate (63) includes a light introducing section (65), which is at a position facing a point light source (62), for confining light from the point light source, and a light guide plate main body (64), which has a thickness smaller than a thickness at an end of the light introducing section on the point light source side, for outputting the confined light to an outside from a light outputting surface by light outputting means (70). The light introducing section (65) has an inclined surface (67), which is inclined from a surface of the light introducing section towards a surface of the light guide plate main body (64). The inclined surface (67) has a directivity converting pattern (68) for converting a directivity expansion in a thickness direction of the light guide plate of the light entered to the light introducing section (65) to directivity characteristics tilted towards a direction parallel to a surface direction of the light guide plate. The directivity converting pattern (68) has a structure in which a plurality of V-shaped groove structures (68a) are lined.

摘要翻译： 导光板（63）包括位于与点光源（62）相对的位置的用于限制来自点光源的光的光导入部（65）和导光板主体（64）， 其厚度小于点光源侧的光导入部分的端部的厚度，用于通过光输出装置（70）从光输出表面将限制的光输出到外部。 光导入部65具有从导光部的表面朝向导光板主体64的表面倾斜的倾斜面67。 倾斜面（67）具有指向性转换图案（68），用于将入射到光导入部（65）的光的导光板的厚度方向的方向性扩展转换成朝向与 导光板的表面方向。 方向转换图案（68）具有多个V形槽结构（68a）被排列的结构。

公开(公告)号：US20090097274A1

公开(公告)日：2009-04-16

申请号：US12295822

申请日：2007-04-19

申请人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Yoshihiro Ueno ,  Kazuhide Hirota ,  Tetsuya Minobe

发明人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Yoshihiro Ueno ,  Kazuhide Hirota ,  Tetsuya Minobe

IPC分类号： G02B5/02 ,  F21V8/00

CPC分类号： G02B5/0278 ,  G02B5/0215 ,  G02B5/0263 ,  G02B5/045 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0051 ,  G02B6/0053 ,  G02F2001/133616

摘要： On a light guide plate (32), a prism sheet (36), an uneven diffuser plate (37) and a correcting optical sheet (38) are placed one over another. Light outputted from the light guide plate (32) in a direction substantially parallel to a light outputting surface (45) is bent to a direction substantially vertical to the light outputting surface (45) by the prism sheet (36). Light which passed through the prism sheet (36) and has a long directivity characteristic in an r axis direction is converted into light having a substantially circular directivity characteristic by passing through the uneven diffuser plate (37). Furthermore, the light which passed through the uneven diffuser plate (37) and has the substantially circular directivity characteristic is converted into light having a directivity characteristic closer to a perfect circle by the correcting optical sheet (38). The correcting optical sheet (38) is formed of a pattern having many polyhedron shapes.

摘要翻译： 在导光板（32）上，将棱镜片（36），不均匀漫射板（37）和校正光学片（38）放置在一起。 从与导光板（32）大致平行的方向从光导板（32）射出的光通过棱镜片（36）向大致垂直于光出射面（45）的方向弯曲。 通过棱镜片（36）并且在r轴方向上具有长的方向性特性的光通过穿过不均匀漫射板（37）而转换成具有大致圆形方向性特征的光。 此外，通过不均匀漫射板（37）并具有大致圆形指向特性的光被修正光学片（38）转换成具有接近正圆的方向特性的光。 校正光学片（38）由具有许多多面体形状的图案形成。

公开(公告)号：US08427603B2

公开(公告)日：2013-04-23

申请号：US13004537

申请日：2011-01-11

申请人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

发明人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

IPC分类号： G02F1/1335

CPC分类号： G02B6/0018 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0055 ,  G02F1/133615

摘要： An area light source device that is capable of evenly emitting light by reducing leakage in the vicinity of the light source, and enhancing the light emission luminance by exiting light of narrower directional characteristics. A light guide substrate includes a light introducing section and a light guide plate main body. Diffusion patterns are provided at the light exit surface of the light guide plate main body. A low refraction index layer is formed at the lower surface of the light guide plate main body, and a reflection layer is formed at the lower surface of the low refraction index layer. The point light source is positioned facing an end face of the light introducing section. A directivity conversion unit is arranged on the upper surface of the light introducing section. The directivity conversion unit is configured by radially arraying a directivity conversion pattern having a V groove shape.

摘要翻译： 一种区域光源装置，其能够通过减少光源附近的泄漏来均匀地发光，并且通过退出较窄方向特性的光来增强发光亮度。 导光基板包括导光部和导光板主体。 在导光板主体的光出射面设置有扩散图案。 在导光板主体的下表面形成低折射率层，在低折射率层的下表面形成反射层。 点光源被定位成面对光导入部的端面。 方向性转换单元设置在光导入部的上表面。 方向性转换单元通过径向排列具有V沟槽形状的方向性转换图案来配置。

公开(公告)号：US08400585B2

公开(公告)日：2013-03-19

申请号：US13003324

申请日：2009-07-08

申请人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Takako Ishikawa ,  Yoshihiro Ueno

发明人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Takako Ishikawa ,  Yoshihiro Ueno

IPC分类号： G02F1/1335

CPC分类号： G02B6/0016 ,  G02B6/0028 ,  G02B6/0038 ,  G02B6/0068 ,  G02F1/133615

摘要： A surface light source device includes a point source of light and a light guide plate causing light from the point source of light introduced from a light incident end face and emitted from a light emission surface to outside. The light guide plate is formed of a light introducing portion provided at an end of a light guide plate body. The point source of light is placed facing the light incident end face positioned at an end face of the light introducing portion. Along a region of the light introducing portion adjacent to the light guide plate body, a directivity converting portion is provided. The directivity converting portion is configured by arranging V-grooved directivity conversion patterns in an arc shape. A region of the light introducing portion has a thickness equal to that of the light guide plate body and has a surface positioned in the same plane.

摘要翻译： 表面光源装置包括点光源和导光板，该导光板使来自光入射端面的光源的光从发光面发射到外部。 导光板由导光板本体的端部设置的导光部形成。 点光源面对位于光导入部的端面的光入射端面。 沿着与导光板主体相邻的光导入部的区域，设置有指向性变换部。 方向性转换部分通过将V沟槽方向性转换图案布置成弧形来构造。 光导入部的区域的厚度与导光板体的厚度相同，并且具有位于同一平面内的表面。

公开(公告)号：US20110187967A1

公开(公告)日：2011-08-04

申请号：US13003324

申请日：2009-07-08

申请人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Takako Ishikawa ,  Yoshihiro Ueno

发明人： Masayuki Shinohara ,  Yasuhiro Tanoue ,  Takako Ishikawa ,  Yoshihiro Ueno

IPC分类号： G02F1/13357 ,  F21V8/00

CPC分类号： G02B6/0016 ,  G02B6/0028 ,  G02B6/0038 ,  G02B6/0068 ,  G02F1/133615

摘要： A surface light source device includes a point source of light and a light guide plate causing light from the point source of light introduced from a light incident end face and emitted from a light emission surface to outside. The light guide plate is formed of a light introducing portion provided at an end of a light guide plate body. The point source of light is placed facing the light incident end face positioned at an end face of the light introducing portion. Along a region of the light introducing portion adjacent to the light guide plate body, a directivity converting portion is provided. The directivity converting portion is configured by arranging V-grooved directivity conversion patterns in an arc shape. A region of the light introducing portion has a thickness equal to that of the light guide plate body and has a surface positioned in the same plane.

摘要翻译： 表面光源装置包括点光源和导光板，该导光板使来自光入射端面的光源的光从发光面发射到外部。 导光板由导光板本体的端部设置的导光部形成。 点光源面对位于光导入部的端面的光入射端面。 沿着与导光板主体相邻的光导入部的区域，设置有指向性变换部。 方向性转换部分通过将V沟槽方向性转换图案布置成弧形来构造。 光导入部的区域的厚度与导光板体的厚度相同，并且具有位于同一平面内的表面。

公开(公告)号：US08368844B2

公开(公告)日：2013-02-05

申请号：US13004648

申请日：2011-01-11

申请人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

发明人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

IPC分类号： G02F1/1335

CPC分类号： G02B6/0016 ,  G02B6/002 ,  G02B6/0031 ,  G02B6/0038 ,  G02B6/0055

摘要： An area light source device that is capable of more evenly emitting light and capable of enhancing the light emission luminance by exiting light of narrower directional characteristics. A light guide substrate includes a light introducing section and a light guide plate main body for exiting the light from a light exit surface. A number of diffusion patterns are formed at the light exit surface. A low refraction index layer is formed at the lower surface of the light guide plate main body, and a reflection layer is formed at the lower surface of the low refraction index layer. The point light source is arranged at a position facing the end face of the light introducing section. A tapered portion inclined to gradually increase the thickness of the light introducing section the farther away from the light source is arranged on the upper surface of the light introducing section.

摘要翻译： 一种区域光源装置，其能够更均匀地发光并且能够通过退出较窄方向特性的光来增强发光亮度。 导光基板包括用于从光出射表面离开光的光引入部分和导光板主体。 在光出射面形成多个扩散图案。 在导光板主体的下表面形成低折射率层，在低折射率层的下表面形成反射层。 点光源配置在面对光导入部的端面的位置。 在光导入部的上表面上配置有倾斜于逐渐增加远离光源的光导入部的厚度的锥形部。

公开(公告)号：US20110176089A1

公开(公告)日：2011-07-21

申请号：US13004537

申请日：2011-01-11

申请人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

发明人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

IPC分类号： G02F1/13357 ,  F21V8/00

CPC分类号： G02B6/0018 ,  G02B6/0036 ,  G02B6/0038 ,  G02B6/0055 ,  G02F1/133615

摘要： An area light source device that is capable of evenly emitting light by reducing leakage in the vicinity of the light source, and enhancing the light emission luminance by exiting light of narrower directional characteristics. A light guide substrate includes a light introducing section and a light guide plate main body. Diffusion patterns are provided at the light exit surface of the light guide plate main body. A low refraction index layer is formed at the lower surface of the light guide plate main body, and a reflection layer is formed at the lower surface of the low refraction index layer. The point light source is positioned facing an end face of the light introducing section. A directivity conversion unit is arranged on the upper surface of the light introducing section. The directivity conversion unit is configured by radially arraying a directivity conversion pattern having a V groove shape.

摘要翻译： 一种区域光源装置，其能够通过减少光源附近的泄漏来均匀地发光，并且通过退出较窄方向特性的光来增强发光亮度。 导光基板包括导光部和导光板主体。 在导光板主体的光出射面设置有扩散图案。 在导光板主体的下表面形成低折射率层，在低折射率层的下表面形成反射层。 点光源被定位成面对光导入部的端面。 方向性转换单元设置在光导入部的上表面。 方向性转换单元通过径向排列具有V沟槽形状的方向性转换图案来配置。

公开(公告)号：US20110170036A1

公开(公告)日：2011-07-14

申请号：US13004648

申请日：2011-01-11

申请人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

发明人： Takako Ishikawa ,  Yasuhiro Tanoue ,  Masayuki Shinohara ,  Yoshihiro Ueno

IPC分类号： G02F1/13357 ,  F21V8/00

CPC分类号： G02B6/0016 ,  G02B6/002 ,  G02B6/0031 ,  G02B6/0038 ,  G02B6/0055

摘要： An area light source device that is capable of more evenly emitting light and capable of enhancing the light emission luminance by exiting light of narrower directional characteristics. A light guide substrate includes a light introducing section and a light guide plate main body for exiting the light from a light exit surface. A number of diffusion patterns are formed at the light exit surface. A low refraction index layer is formed at the lower surface of the light guide plate main body, and a reflection layer is formed at the lower surface of the low refraction index layer. The point light source is arranged at a position facing the end face of the light introducing section. A tapered portion inclined to gradually increase the thickness of the light introducing section the farther away from the light source is arranged on the upper surface of the light introducing section.

摘要翻译： 一种区域光源装置，其能够更均匀地发光并且能够通过退出较窄方向特性的光来增强发光亮度。 导光基板包括用于从光出射表面离开光的光引入部分和导光板主体。 在光出射面形成多个扩散图案。 在导光板主体的下表面形成低折射率层，在低折射率层的下表面形成反射层。 点光源配置在面对光导入部的端面的位置。 在光导入部的上表面上配置有倾斜于逐渐增加远离光源的光导入部的厚度的锥形部。

公开(公告)号：US20110286237A1

公开(公告)日：2011-11-24

申请号：US13162106

申请日：2011-06-16

申请人： Yasuhiro Tanoue ,  Gouo Kurata ,  Masayuki Shinohara

发明人： Yasuhiro Tanoue ,  Gouo Kurata ,  Masayuki Shinohara

IPC分类号： F21V8/00

CPC分类号： G02B6/0021 ,  G02B6/0016 ,  G02B6/0018 ,  G02B6/002 ,  G02B6/0028 ,  G02B6/0031 ,  G02B6/0038 ,  G02F1/133615

摘要： A light guide plate is formed of a light introducing part positioned to face a point light source for confining light and a light guide plate body having a thickness smaller than the thickness of an end of the light introducing part on a point light source side and causing the confined light to be output from a light exit surface to outside. The light introducing part has an inclined surface, and a directivity conversion pattern formed on the inclined surface. The directivity conversion pattern is configured by arranging V grooves in parallel to each other, each having a vertical angle of 120°, and each extends in a direction approximately perpendicular to a light incidence end face of the light guide plate. The length of the inclined surface in a inclination direction where part of light incident to the light introducing part enters the inclined surface at least twice.

摘要翻译： 导光板由位于面对用于限制光的点光源的光引入部和具有比点光源侧的光导入部的端部的厚度小的导光板主体形成，并且导致 被限制的光从光出射表面输出到外部。 光引入部分具有倾斜表面和形成在倾斜表面上的方向性转换图案。 方向性转换图案通过将V沟槽彼此平行布置而构成，每个V形槽具有120°的垂直角，并且各自沿与导光板的光入射端面大致垂直的方向延伸。 入射到光导入部的光的倾斜方向的倾斜面的长度进入倾斜面至少两次。