公开(公告)号：US08405796B2

公开(公告)日：2013-03-26

申请号：US13002510

申请日：2009-04-10

Applicant: Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

Inventor： Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

IPC: G02F1/1335 ,  F21V7/04 ,  F21V5/00

CPC classification number: G02F1/133606 ,  G02F2001/133607

Abstract: Each of light guides (2) has: a reflection surface (2e); and a light emitting surface (2c) that is opposite to the reflection surface (2e) and is not covered by a neighboring light guide (2). The light emitting surface (2c) is made up of a first emitting surface (7) and a second emitting surface (8). The first emitting surface (7) is substantially parallel with the reflection surface (2e). The second emitting surface (8) is substantially parallel with an irradiated surface. The each of the light guides (2) is provided with microprisms (9) serving as diffusing means at least in a first emitting surface region (12) in which there is the first emitting surface (7).

Abstract translation: 每个光导（2）具有：反射面（2e）; 以及与反射面（2e）相反并且不被相邻导光体（2）覆盖的发光面（2c）。 发光面（2c）由第一发光面（7）和第二发光面（8）构成。 第一发射表面（7）基本上与反射表面（2e）平行。 第二发射表面（8）基本上与照射的表面平行。 至少在具有第一发射表面（7）的第一发射表面区域（12）中，每个光导（2）设置有用作漫射装置的微棱镜（9）。

公开(公告)号：US20110116008A1

公开(公告)日：2011-05-19

申请号：US12999066

申请日：2009-04-15

Applicant: Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

Inventor： Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133606 ,  G02B6/0021 ,  G02B6/0068 ,  G02B6/0073 ,  G02B6/0078 ,  G02F1/133603

Abstract: A backlight (illumination device) (22) of the present invention includes: a plurality of light sources (25) which emit light beams of two or more different colors; and a plurality of light guides (27) each of which mixes colored light beams emitted from the light sources and then converts the colored light beams thus mixed into surface emission, wherein the plurality of light guides (27) are arranged so as not to overlap one another, the plurality of light sources (25) are aligned in a given order along first end parts of each of the light guides, and scatterers (scattering means) (34) for scattering light beams are provided on side surfaces of second end parts (27b) of each of the light guide, which second end parts face a direction where the light sources are aligned (d1).

Abstract translation: 本发明的背光（照明装置）（22）包括：发射两种或更多种不同颜色的光束的多个光源（25） 以及多个光源（27），每个光源混合从光源发射的彩色光束，然后将所混合的有色光束转换为表面发射，其中多个光导（27）布置成不重叠 另一方面，多个光源（25）沿着每个光导的第一端部以给定的顺序排列，并且用于散射光束的散射体（散射装置）（34）设置在第二端部的侧表面 （27b），所述第二端部朝向所述光源对准的方向（d1）。

公开(公告)号：US20100060818A1

公开(公告)日：2010-03-11

申请号：US12593806

申请日：2008-07-14

Applicant: Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

Inventor： Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

IPC: F21V8/00 ,  G02F1/13357

CPC classification number: G02B6/0078 ,  G02B6/0021 ,  G02B6/008 ,  G02F1/133603

Abstract: A backlight (illumination device; 2) of the present invention includes: multiple light sources (5); multiple light guide plates (7, 17, . . . ) for causing surface emission of light from the light sources (5); and a diffusing plate (8) for diffusing light from the light guide plates (7, 17, . . . ), the diffusing plate (8) being provided so as to be separate from and face the light guide plates (7, 17, . . . ). Each of the light guide plates (7, 17, . . . ) includes: a light-emitting section (7b) having a light-emitting surface (7a); and a light guide section (7c) for guiding, to the light-emitting section (7b), light from the light sources (5), a light-emitting section (17b) of the first light guide plate (17) being provided above a light guide section (7c) of the second light guide plate (7) adjacent to the first light guide plate (17). A light amount adjusting section (11) for reducing the amount of light incident on it is provided so as to be separate from the diffusing plate (8) and so that the orthogonal projection of the light amount adjusting section (11) onto the light-emitting region covers the boundary between any adjacent light guide plates (7, 17, . . . ). This allows for production of a tandem-type illumination device having further improved luminance uniformity.

Abstract translation: 本发明的背光（照明装置; 2）包括：多个光源（5）; 用于引起来自光源（5）的光的表面发射的多个导光板（7,17 ...）。 以及用于漫射来自导光板（7,17）的光的漫射板（8），扩散板（8）设置成与导光板（7,17）分开并面对， ...） 每个导光板（7,17）包括：具有发光表面（7a）的发光部分（7b）; 以及用于将来自所述光源（5）的光引导到所述发光部（7b）的导光部（7c），所述第一导光板（17）的发光部（17b）设置在上述 与第一导光板（17）相邻的第二导光板（7）的导光部（7c）。 设置用于减少入射到其上的光量的光量调节部（11），以与扩散板（8）分离，并且使光量调节部（11）的正交投影 发射区域覆盖任何相邻的导光板（7,17 ...）之间的边界。 这允许制造具有进一步改善的亮度均匀性的串联型照明装置。

公开(公告)号：US08684588B2

公开(公告)日：2014-04-01

申请号：US12990957

申请日：2009-02-20

Applicant: Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

Inventor： Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

IPC: F21V7/04

CPC classification number: G02B6/0036 ,  G02B6/0028 ,  G02B6/0045 ,  G02B6/0055 ,  G02B6/0061 ,  G02B6/008

Abstract: A light guide element includes a light-emitting section including a light-emitting surface, a light guide section, and a diffusing device provided in at least part of a region extending from a boundary surface between the light-emitting section and the light guide section, to point halfway between the boundary surface and an end of the light guide section closer to the light source. The light guide element might be used to form a backlight for a liquid crystal display device.

Abstract translation: 导光元件包括发光部分，发光表面，导光部分和漫射装置，该发光部分设置在从发光部分和导光部分之间的边界面延伸的区域的至少一部分中 指向边界表面和更靠近光源的导光部分的端部之间的中途。 导光元件可以用于形成用于液晶显示装置的背光源。

公开(公告)号：US20110116006A1

公开(公告)日：2011-05-19

申请号：US12996841

申请日：2009-05-29

Applicant: Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

Inventor： Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02B6/0088 ,  G02B6/0046 ,  G02B6/0068 ,  G02B6/008

Abstract: A backlight (2) (illumination device) of this invention includes: a plurality of light sources (5), a plurality of light guide bodies (7) for causing surface emission of light emitted from the light sources; a diffusing plate (8) (flat plate) provided so as to face light-emitting surfaces (7a) of the light guide bodies (7) while maintaining a predetermined distance between the diffusing plate (8) and the respective light-emitting surfaces (7a). Maintaining sections (10) (distance maintaining sections) are provided between the respective light guide bodies (7) and the diffusing plate (8) and provided on the side of the diffusing plate (8), the maintaining sections (10) maintaining the predetermined distance between the diffusing plate (8) and the respective light-emitting surfaces (7a) of the respective light guide bodies (7).

Abstract translation: 本发明的背光（2）（照明装置）包括：多个光源（5），多个导光体（7），用于使从所述光源发出的光发生表面发射; 设置为面对导光体（7）的发光面（7a）的扩散板（8）（平板），同时保持扩散板（8）和各个发光面之间的预定距离（ 7a）。 在各个导光体（7）和扩散板（8）之间设置有维持部（10）（距离保持部），并设置在扩散板8的侧面，保持部10保持规定的 扩散板（8）与各导光体（7）的各发光面（7a）之间的距离。

公开(公告)号：US20110058125A1

公开(公告)日：2011-03-10

申请号：US12990957

申请日：2009-02-20

Applicant: Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

Inventor： Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

IPC: G02F1/1335 ,  F21V7/22

CPC classification number: G02B6/0036 ,  G02B6/0028 ,  G02B6/0045 ,  G02B6/0055 ,  G02B6/0061 ,  G02B6/008

Abstract: A light guide element (7) including a light-emitting section (7b) having a light-emitting surface (7a) which allows light emitted from a dot-like light source (6) to produce a surface emission; an light guide section (7c) for guiding the light emitted from the light source (6) to the light-emitting section (7b); and diffusing means (9) for diffusing incident light, wherein the diffusing means (9) is provided in at least part of a region extending from (i) a boundary surface (8) between the light-emitting section (7b) and the light guide section (7c) to (ii) a halfway point between the boundary surface (8) and that end of the light guide section (7c) which is closer to the light source (6). Thus, it is possible to realize: a light guide element which can suppress a decrease in luminance of surface emission and further improve uniformity in luminance of a light-emitting surface as seen from any angle; an illumination device including such an light guide element; and a liquid crystal display device including such an illumination device and thereby having improved display quality.

Abstract translation: 1.一种导光体（7），其具有发光部（7b），所述发光部具有使从点状光源（6）发出的光产生表面发射的发光面（7a） 用于将从光源（6）发射的光引导到发光部（7b）的导光部（7c）; 和扩散装置（9），其中扩散装置（9）设置在从（i）发光部分（7b）和光线（7b）之间的边界表面（8）延伸的区域的至少一部分中， 引导部分（7c）至（ii）边界表面（8）与更靠近光源（6）的导光部分（7c）的端部之间的中间点。 因此，可以实现：可以抑制表面发射的亮度的降低的导光元件，并且从任何角度进一步提高发光面的亮度的均匀性; 包括这种导光元件的照明装置; 以及包括这种照明装置并从而具有改进的显示质量的液晶显示装置。

公开(公告)号：US08414173B2

公开(公告)日：2013-04-09

申请号：US12599944

申请日：2008-07-25

Applicant: Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

Inventor： Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

IPC: F21V7/04

CPC classification number: G02B6/0055 ,  G02B6/0028 ,  G02B6/0043 ,  G02B6/0068 ,  G02B6/008 ,  G02F1/133603 ,  G02F1/133611

Abstract: An illumination device includes a plurality of light source units (20) each having a light guide plate and at least one light source. The light guide plate is provided with an illumination region (4) through which an incident beam of light from the at least one light source is emitted outward and a light guide region (3) through which the incident beam of light from the at least one light source is guided toward the illumination region (4), with the illumination region (4) and the light guide region (3) laid side-by-side. Light source units (20) adjacent to each other along a direction of an optical axis of the at least one light source are disposed so that the illumination region (4) of one of the light source units (20) covers at least a part of the light guide region (3) of the other light source unit (20). A diffuse reflection sheet (33) and a specular reflection sheet (32) or a light absorption sheet are provided between the light guide plate (LG(k)) of the one of the light source units (20) and the at least one light source (BL(k+1)) of the other light source unit (20) in such a way as to be put on top of each other. This makes it possible to suppress uneven irradiation and improve luminance uniformity and color-mixing properties of a tandem illumination device having light guide plates disposed in such a way as to be overlapped.

Abstract translation: 照明装置包括多个光源单元（20），每个光源单元具有导光板和至少一个光源。 导光板设置有照射区域（4），来自至少一个光源的入射光束通过该照明区域向外发射;以及导光区域（3），来自至少一个光源的入射光束穿过该导光区域 光源被引导到照明区域（4），照明区域（4）和导光区域（3）并排放置。 沿着至少一个光源的光轴的方向彼此相邻的光源单元（20）被布置成使得光源单元（20）中的一个的照明区域（4）覆盖至少一部分 另一个光源单元（20）的导光区域（3）。 在所述一个光源单元（20）的导光板（LG（k））和所述至少一个光线之间设置漫反射片（33）和镜面反射片（32）或光吸收片 源（BL（k + 1）），以使其彼此重叠。 这使得可以抑制不均匀的照射并提高具有以重叠的方式设置的导光板的串联照明装置的亮度均匀性和混色特性。

公开(公告)号：US20110109835A1

公开(公告)日：2011-05-12

申请号：US13002510

申请日：2009-04-10

Applicant: Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

Inventor： Takeshi Masuda ,  Yuhsaku Ajichi ,  Yukihide Kohtoku

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133606 ,  G02F2001/133607

Abstract: Each of light guides (2) has: a reflection surface (2e); and a light emitting surface (2c) that is opposite to the reflection surface (2e) and is not covered by a neighboring light guide (2). The light emitting surface (2c) is made up of a first emitting surface (7) and a second emitting surface (8). The first emitting surface (7) is substantially parallel with the reflection surface (2e). The second emitting surface (8) is substantially parallel with an irradiated surface. The each of the light guides (2) is provided with microprisms (9) serving as diffusing means at least in a first emitting surface region (12) in which there is the first emitting surface (7).

Abstract translation: 每个光导（2）具有：反射面（2e）; 以及与反射面（2e）相反并且不被相邻导光体（2）覆盖的发光面（2c）。 发光面（2c）由第一发光面（7）和第二发光面（8）构成。 第一发射表面（7）基本上与反射表面（2e）平行。 第二发射表面（8）基本上与照射的表面平行。 至少在具有第一发射表面（7）的第一发射表面区域（12）中，每个光导（2）设置有用作漫射装置的微棱镜（9）。

公开(公告)号：US20110090424A1

公开(公告)日：2011-04-21

申请号：US12997882

申请日：2009-04-15

Applicant: Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

Inventor： Yuhsaku Ajichi ,  Takeshi Masuda ,  Yukihide Kohtoku

IPC: G02F1/13357 ,  F21V11/00 ,  F21V9/00 ,  H05B37/02

CPC classification number: G02F1/133603 ,  G02F1/133611

Abstract: A backlight (illumination device) of the present invention includes a plurality of light source units (32) each of which includes: a plurality of light sources (25) which emit light beams of two or more different colors; and a light guide (27) which mixes colored light beams emitted from the light sources and then converts the colored light beams thus mixed into surface emission. The plurality of light source units (32) are arranged so as not to overlap one another. In the light source unit (32), the plurality of light sources (25) are aligned in a given order along an end part (27d) of the light guide (27), and a light source disposed at a midsection of the end part (27d) of the light guide (27) has the highest luminance intensity among the plurality of light sources (25), and luminous intensities of the other light sources decrease with distance from the light source disposed at the midsection of the end part (27d) of the light guide (27).

Abstract translation: 本发明的背光（照明装置）包括多个光源单元，每个光源单元包括：发射两种或更多种不同颜色的光束的多个光源; 以及将从光源发射的彩色光束混合后的光导（27），然后将所混合的有色光束转换为表面发射。 多个光源单元（32）被布置成不彼此重叠。 在光源单元（32）中，多个光源（25）沿着导光体（27）的端部（27d）以给定的顺序排列，并且设置在端部的中部 （27）的光源（27d）在多个光源（25）中具有最高的亮度强度，并且其他光源的发光强度随着距离设置在端部（27d）的中部的光源的距离而减小 ）的光导（27）。

公开(公告)号：US20100259470A1

公开(公告)日：2010-10-14

申请号：US12746593

申请日：2008-11-21

Applicant: Yukihide Kohtoku ,  Takeshi Masuda ,  Yuhsaku Ajichi

Inventor： Yukihide Kohtoku ,  Takeshi Masuda ,  Yuhsaku Ajichi

IPC: G09G3/36 ,  G02F1/13357 ,  H05B37/02

CPC classification number: G02B6/0035 ,  G02B6/0021 ,  G02B6/0068 ,  G02F1/133606 ,  G02F1/133611

Abstract: A light-emitting element (11) of the present invention includes: a light source (5a); a light guide (7) having a light-emitting surface (7a); and a maintaining section (10), the light source (5a) having directivity which causes components of the light travel in a first direction, which is parallel to the light-emitting surface (7a), to be more than those in a direction perpendicular to the light-emitting surface (7a), the light guide (7) having a light-receiving surface for receiving the components of the light traveling in the first direction, the maintaining section (10) being provided in a first region, indicative of a lowest level of luminance, on the light-emitting surface (7a) in a case where luminance over the light-emitting surface (7) is divided into a plurality of levels between a low luminance and a high luminance. This makes it possible to produce a light-emitting element and an illumination device each of which has improved uniformity of the luminance over the light-emitting surface.

Abstract translation: 本发明的发光元件（11）包括：光源（5a）; 具有发光面（7a）的导光体（7）; 和维持部分（10），所述光源（5a）具有使与所述发光面（7a）平行的第一方向上的光的分量的方向性大于垂直于所述发光面 所述导光体（7）具有用于接收在所述第一方向上行进的光的分量的光接收表面，所述保持部（10）设置在第一区域中， 在发光面（7）上的亮度被分为低亮度和高亮度之间的多个电平的情况下，在发光面（7a）上的最低亮度水平。 这使得可以生产出发光元件和照明装置，每个发光元件和照明装置的亮度在发光表面上的均匀性提高。