公开(公告)号：JP2014186794A

公开(公告)日：2014-10-02

申请号：JP2013059009

申请日：2013-03-21

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： YOKOTA MASAHIRO ,  TAKAHASHI TAKESHI ,  CHIGUSA HISASHI ,  MATSUDA SHUZO ,  ONO OSAMU ,  OTA HIDEO ,  KAWAMURA NOBUO ,  OKAWA TAKESHI ,  MORITA SHUSUKE ,  NISHIMURA KOJI

IPC: F21V3/00 ,  F21V3/02 ,  F21V5/00 ,  F21V5/02

CPC classification number: F21V5/02 ,  F21S8/026 ,  F21Y2103/00

Abstract: PROBLEM TO BE SOLVED: To provide an illumination cover and an illumination device in which cleaning is easy, manufacturing cost is low and efficiency is high.SOLUTION: An illumination device includes: a light source 3; and an illumination cover 2 arranged facing the light source and becoming a light emitting surface. The illumination cover has: an inner surface 2a facing the light source; an outer surface 2b facing outside; and a plurality of prisms 10 formed on the outer surface. The prism has at least one inclined surface which inclines with respect to the inner surface, the angle of inclination of the inclined surface of the prism is at least 12 to 42 degrees on average, and when an angle formed with a normal line direction of the illumination cover 2 is defined as θ, the ratio of light intensity in the direction of θ=60-90 degrees with respect to the light intensity in the direction of θ=0 degree is equal to or less than 20%.

Abstract translation: 要解决的问题：为了提供清洁容易的照明罩和照明装置，制造成本低，效率高。照明装置包括：光源3; 以及照明罩2，其布置成面向光源并变为发光表面。 照明罩具有：面向光源的内表面2a; 面向外的外表面2b; 以及形成在外表面上的多个棱镜10。 棱镜具有至少一个相对于内表面倾斜的倾斜表面，棱镜的倾斜表面的平均角度至少为12至42度，并且当与棱镜的法线方向成一角度时， 照明罩2被定义为＆lt;＆lt;＆lt;＆gt;方向上的光强度的比率= 60-90度相对于＆thetas方向的光强度= 0度等于或小于20％。

公开(公告)号：JP2014185424A

公开(公告)日：2014-10-02

申请号：JP2013059116

申请日：2013-03-21

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： YOKOTA MASAHIRO ,  TAKAHASHI TAKESHI ,  CHIGUSA HISASHI ,  MATSUDA SHUZO ,  ONO OSAMU ,  OTA HIDEO ,  KAWAMURA NOBUO ,  OKAWA TAKESHI ,  MORITA SHUSUKE ,  NISHIMURA KOJI

IPC: E06B9/24 ,  G02B5/00

CPC classification number: E06B9/24 ,  E06B2009/2405 ,  E06B2009/2417 ,  E06B2009/2458 ,  G02B1/10 ,  G02B5/003 ,  G02B5/005 ,  G02B5/201 ,  G02B5/26

Abstract: PROBLEM TO BE SOLVED: To provide a blind member and a window member capable of shielding sunlight at a high angle while ensuring the transparency of a window.SOLUTION: A sheet-like blind member has two or more shielding/transmitting layers disposed facing to each other being interposed by a predetermined distance. Each of the shielding/transmitting layers has plural light shielding strips 4a and 4b and plural transmission strips 5a and 5b which are disposed alternately in a height direction. The two or more shielding/transmitting layers are formed with identical phase in the height direction. Defining the width of the light shielding strip as Wb, the predetermined distance as T and an angle of a light beam entering an upper part of the window at a critical angle forming with a normal direction of the window inside the blind member as α, Wb

Abstract translation: 要解决的问题：提供一种能够在确保窗户的透明度的同时保持高角度地遮蔽太阳光的遮光构件和窗构件。解决方案：片状遮挡构件具有两个或更多个屏蔽/透射层，其面向每个 另一个被插入预定距离。 每个屏蔽/透射层具有在高度方向上交替布置的多个遮光条4a和4b以及多个传输条5a和5b。 两个以上的屏蔽/透射层在高度方向上形成相同的相位。 将遮光条的宽度定义为Wb，将预定距离设定为T，将入射到窗口上部的光束的角度以与遮光构件内部的窗口的法线方向形成的临界角为α，Wb 满足

公开(公告)号：JP2014182994A

公开(公告)日：2014-09-29

申请号：JP2013058168

申请日：2013-03-21

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ONO OSAMU ,  OTA HIDEO ,  YOKOTA MASAHIRO ,  KAWAMURA NOBUO ,  TAKAHASHI TAKESHI ,  OKAWA TAKESHI ,  MORITA SHUSUKE ,  NISHIMURA KOJI ,  MATSUDA SHUZO

IPC: F21S2/00 ,  F21S8/02 ,  F21V5/00 ,  F21V5/04 ,  F21Y101/02

Abstract: PROBLEM TO BE SOLVED: To provide a lighting device capable of controlling an irradiation region free from generation of multi-shadow.SOLUTION: The lighting device includes: a plurality of light sources 3 each having light distribution with strong directionality in a normal line and disposed side by side on a plane surface; a plurality of collimator lenses 4 each set opposite to the light source and focusing light emitted from the light sources; and a lens part 5 that emits the focused light toward more outside relative to the center of a light source group comprising the plurality of light sources as the distance from the center is larger.

Abstract translation: 要解决的问题：提供一种能够控制不产生多阴影的照射区域的照明装置。解决方案：照明装置包括：多个光源3，其具有在法线上具有强定向性的光分布并且被布置 并排在平面上; 多个准直透镜4，每个准直透镜4设置成与光源相对并聚焦从光源发出的光; 以及透镜部5，其距离与中心的距离相对于包括多个光源的光源组的中心朝向更外侧发射聚焦光。

公开(公告)号：JP2014102973A

公开(公告)日：2014-06-05

申请号：JP2012254092

申请日：2012-11-20

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： YOKOTA MASAHIRO ,  KAWAMURA NOBUO ,  MORITA SHUSUKE ,  OKAWA TAKESHI ,  ONO OSAMU ,  OTA HIDEO ,  TAKAHASHI TAKESHI ,  MATSUDA SHUZO ,  NISHIMURA KOJI

IPC: F21V5/00 ,  F21S2/00 ,  F21V5/02 ,  F21Y101/02

Abstract: PROBLEM TO BE SOLVED: To provide a lighting device of a bulb shape which can provide high light intensity in the lateral surface direction even when using an LED light source or the like, can provide visual quality such as a filament lamp or a candle by using the LED light source.SOLUTION: A lighting device of a bulb shape includes: a substrate 2 having a top face; a light source 4 arranged on a substrate top face 2a; an optical component 5 which is formed in a dome shape having a lower end opening 5a, has the lower end opening side fixed to the substrate top face and covers a light source therewith; and a translucent cover 6 which is fixed to the substrate top face, covers the light source and the optical component therewith and has transparency. The optical component is formed such that a thickness of a wall part is smaller than the diameter of the lower end opening. The optical component has a plurality of prisms 10 disposed on the whole region of a dome inner surface to which light from the light source is made incident or a dome outer surface from which light is released to an external part, the prisms change a latitude direction angle of light beam made incident to the southern hemisphere direction of the optical component when a dome vertex T of the optical component is set as north pole and emit the light and a virtual image of the light source is formed on a position floated up from the substrate top face when being viewed through the optical component.

Abstract translation: 要解决的问题：为了提供即使在使用LED光源等时也能够在侧面方向上提供高光强度的灯泡形状的照明装置，可以通过使用诸如灯丝灯或蜡烛的视觉质量来使用 LED灯源。解决方案：灯泡形状的照明装置包括：具有顶面的基板2; 布置在基板顶面2a上的光源4; 形成为具有下端开口5a的圆顶形状的光学部件5具有固定在基板顶面的下端开口侧并覆盖光源; 并且固定到基板顶面的半透明盖6覆盖光源和光学部件并具有透明性。 光学部件形成为使得壁部的厚度小于下端开口的直径。 光学部件具有多个棱镜10，其设置在圆顶内表面的整个区域中，来自光源的光入射到该圆顶内表面，或者圆顶外表面从该外部部分释放光，棱镜改变纬度方向 当光学部件的圆顶顶点T被设置为北极并发射光并且光源的虚像被形成在从光学部件的南半球方向入射的光束时， 当通过光学部件观察时，衬底顶面。

公开(公告)号：JP2013251080A

公开(公告)日：2013-12-12

申请号：JP2012123765

申请日：2012-05-30

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ONO OSAMU ,  YOKOTA MASAHIRO ,  OTA HIDEO ,  KAWAMURA NOBUO ,  TAKAHASHI TAKESHI ,  OKAWA TAKESHI ,  MORITA SHUSUKE ,  NISHIMURA KOJI ,  MATSUDA SHUZO

IPC: F21V3/04 ,  F21S2/00 ,  F21S8/00 ,  F21S8/04 ,  F21V3/00 ,  F21V3/02 ,  F21V33/00 ,  F21Y101/02 ,  H01L33/58

Abstract: PROBLEM TO BE SOLVED: To provide a lighting device capable of uniformly irradiating the light of a light source.SOLUTION: A lighting device is provided with a base material 2, a light source with directivity mounted on the base material for releasing visible rays, and a translucent cover 5 covering at least a front face of the light source 4 and equipped with a light-transmitting region for releasing light emitted from the light source outside. The translucent cover has faces headed for a plurality of different directions, and the transmitting region is formed of a material containing a scattering filler with the transmittance of 70% or lower.

Abstract translation: 要解决的问题：提供能够均匀地照射光源的照明装置。解决方案：照明装置设置有基材2，具有安装在基材上的用于释放可见光的方向性的光源，以及 半透明盖5，其至少覆盖光源4的前表面，并且配备有用于释放从光源外部发出的光的透光区域。 半透明盖具有朝向多个不同方向的面，并且透射区域由含有透射率为70％以下的散射填料的材料形成。

公开(公告)号：JP2013201016A

公开(公告)日：2013-10-03

申请号：JP2012068407

申请日：2012-03-23

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ONO OSAMU ,  YOKOTA MASAHIRO ,  OTA HIDEO ,  KAWAMURA NOBUO ,  TAKAHASHI TAKESHI ,  OKAWA TAKESHI ,  MORITA SHUSUKE ,  NISHIMURA KOJI ,  MATSUDA SHUZO

IPC: F21S8/04 ,  F21S2/00 ,  F21Y101/02

CPC classification number: F21V23/006 ,  F21K9/20 ,  F21K9/61 ,  F21V5/00 ,  F21V7/0091

Abstract: PROBLEM TO BE SOLVED: To provide a flat lamp device enhancing luminance characteristics and still having very thin thickness.SOLUTION: A flat lamp device is provided with a flat body 10 including a central convex part 2a located at the center of a front face part and protruding upward and a peripheral part 2b located around the central convex part and lower than the central convex part, a plurality of light sources 4, which are located on the peripheral part of the flat body and each have a light distribution with strong directivity in a normal direction, a drive circuit 20 housed inside the central convex part inside the flat body, and a translucent cover 6 for covering the light sources.

Abstract translation: 要解决的问题：提供一种提高亮度特性并且仍具有非常薄的厚度的扁平灯装置。解决方案：扁平灯装置设置有平坦体10，扁平体10包括位于正面部分中心的中心凸部2a， 向上突出并且位于中央凸部周围并且低于中心凸部的周边部分2b，多个光源4，其位于平坦体的周边部分上，并且每个具有在方向性强的光分布 容纳在平坦体内的中央凸部内的驱动电路20以及用于覆盖光源的半透明盖6。

公开(公告)号：JP2012119152A

公开(公告)日：2012-06-21

申请号：JP2010267492

申请日：2010-11-30

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： KAWAMURA NOBUO ,  YOKOTA MASAHIRO ,  OKAWA TAKESHI ,  ONO OSAMU ,  TAKAHASHI TAKESHI ,  MORITA SHUSUKE ,  NISHIMURA KOJI ,  MATSUDA SHUZO

IPC: F21S8/04 ,  F21S2/00 ,  F21Y101/02

Abstract: PROBLEM TO BE SOLVED: To provide a lighting system capable of emitting light on a side-face or a rear-face direction and easy to manufacture.SOLUTION: The lighting system includes a base material 2, a light source 6 emitting visible light, and a translucent cover 4 covering at least a front face of the light source and equipped with a translucent region for emitting light emitted from the light source toward outside. The light source is arranged at a front-face flat part 2a of the base material, wherein a luminous intensity of light emitted from the light source is strong in a normal direction of the front-face flat part. The light source has a directivity getting zero at a rear-face side. The translucent region of the translucent cover has a rear-face side translucent region 8b positioned either at side faces or at a rear face side of the light source, with an outward normal direction headed further toward a rear-face rather than a side-face direction. Further, transmittance at a front-face side translucent region 8a of the translucent region is formed lower than that at the rear-face side translucent region.

Abstract translation: 要解决的问题：提供一种能够在侧面或背面方向上发光并且易于制造的照明系统。 解决方案：照明系统包括基材2，发射可见光的光源6和覆盖光源的至少前面的半透明盖4，其具有用于发射从光发射的光的半透明区域 源于外面。 光源设置在基材的正面平坦部2a处，其中从光源发射的光的发光强度在正面平坦部的法线方向上较强。 光源在后面侧的方向性变为零。 半透明罩的半透明区域具有位于光源的侧面或背面侧的背面侧透光性区域8b，向外方向朝向背面而不是侧面 方向。 此外，透光区域的前面侧半透明区域8a的透射率低于背面侧半透明区域的透光率。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2011204676A

公开(公告)日：2011-10-13

申请号：JP2011042698

申请日：2011-02-28

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： TAKAHASHI TAKESHI ,  ONO OSAMU ,  MATSUDA SHUZO ,  YOKOTA MASAHIRO ,  MORITA SHUSUKE ,  KAWAMURA NOBUO ,  OKAWA TAKESHI ,  NISHIMURA KOJI

IPC: F21S2/00 ,  F21V3/00 ,  F21V3/04 ,  F21Y101/02 ,  G02B5/08 ,  G02F1/13357

CPC classification number: G02F1/133611 ,  G02B5/0221 ,  G02B5/0278

Abstract: PROBLEM TO BE SOLVED: To provide a lighting device having high design flexibility for a thin design, high efficiency, and luminance distribution, and a liquid crystal display device capable of attaining high image quality and power-saving.SOLUTION: The lighting device includes a plurality of light sources arranged at two dimensions, at least one layer of a diffusion layer arranged by facing the plurality of light sources, and at least one layer of a semi-transmissive reflection layer 4 arranged between the plurality of light sources and the diffusion layer. The semi-transmissive reflection layer most separated from the light source has a pattern made from a plurality of transmission sections 10 or a plurality of reflection sections 11. This pattern is a pattern respectively made from a plurality of transmission sections having hole shapes at a range near the light source, and is a pattern made from a plurality of reflection sections having dot shapes at a range far from the light source.

Abstract translation: 要解决的问题：提供一种具有设计灵活性高的设计，高效率和亮度分布的照明装置以及能够获得高图像质量和省电的液晶显示装置。解决方案：照明装置包括： 布置在两个维度上的多个光源，至少一层通过面对多个光源布置的扩散层，以及布置在多个光源和扩散层之间的至少一层半透射反射层4 。 与光源最大分离的半透射反射层具有由多个透射部10或多个反射部11构成的图案。该图案是分别由具有一定范围的孔形状的多个透射部形成的图案 靠近光源，并且是由多个具有距离光源的范围的点形状的反射部分制成的图案。

公开(公告)号：JP2011065891A

公开(公告)日：2011-03-31

申请号：JP2009216075

申请日：2009-09-17

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： YOKOTA MASAHIRO ,  TAKAHASHI TAKESHI ,  ONO OSAMU ,  MATSUDA SHUZO

IPC: F21S2/00 ,  F21V23/00 ,  F21Y101/02 ,  G02F1/13357

CPC classification number: G02B6/0051 ,  G02B6/006 ,  G02B6/0083 ,  G02F1/133603 ,  G02F1/133606

Abstract: PROBLEM TO BE SOLVED: To provide a surface illumination device which can prevent luminance gradation deterioration and contrast deterioration even if dimming at every range and hardly visually recognize range unevenness of the dimming, and to provide a liquid crystal display device having the surface illumination device.
SOLUTION: The surface illumination device has a plurality of light sources 16, and a diffusion layer 14 for receiving light of the light sources. The diffusion layer is arranged in a contactless state to the light sources, and when the shortest distance from the light source to the diffusion layer is set as D, the distance has a relationship of D≤8 mm.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 解决的问题：提供即使在每个范围调光也能够防止亮度等级劣化和对比度劣化的表面照明装置，并且几乎不可视地识别调光的范围不均匀性，并且提供具有表面的液晶显示装置 照明装置 解决方案：表面照明装置具有多个光源16和用于接收光源的光的扩散层14。 扩散层与光源处于非接触状态，当从光源到扩散层的最短距离设定为D时，该距离的关系为D≤8mm。 版权所有（C）2011，JPO＆INPIT

公开(公告)号：JP2010277982A

公开(公告)日：2010-12-09

申请号：JP2009212618

申请日：2009-09-15

Applicant: Toshiba Corp ,  株式会社東芝

Inventor： ONO OSAMU ,  TAKAHASHI TAKESHI ,  MATSUDA SHUZO ,  YOKOTA MASAHIRO ,  KITAGAWA TOSHITAKE ,  NISHIMURA KOJI

IPC: F21S2/00 ,  F21V3/00 ,  F21V3/04 ,  F21Y101/02 ,  G02F1/13357

CPC classification number: G02F1/133606 ,  G02F2001/133607

Abstract: PROBLEM TO BE SOLVED: To provide a planar lighting device which attains both reduced thickness and power saving, and has excellent luminance uniformity in a partial drive system such as local dimming.
SOLUTION: The planar lighting device includes a plurality of light sources, a lower surface reflecting layer and a light diffusion layer opposed thereto. At least two or more light guide layers or at least two or more reflection layers which partially transmit light are disposed between the light sources and the light diffusion layer.
COPYRIGHT: (C)2011,JPO&INPIT

Abstract translation: 要解决的问题：提供一种能够实现减小厚度和省电的平面照明装置，并且在诸如局部调光的部分驱动系统中具有优异的亮度均匀性。 解决方案：平面照明装置包括多个光源，下表面反射层和与其相对的光漫射层。 在光源和光漫射层之间设置至少两个或更多个导光层或部分透射光的至少两个或更多个反射层。 版权所有（C）2011，JPO＆INPIT