Light emitting device
    1.
    发明授权
    Light emitting device 有权
    发光装置

    公开(公告)号:US08436527B2

    公开(公告)日:2013-05-07

    申请号:US13034137

    申请日:2011-02-24

    IPC分类号: H01L33/50 H01L33/54 H01L33/56

    摘要: A light emitting device includes a board and a light emitting element mounted on the board, emitting light having a wavelength of 250 nm to 500 nm. A red fluorescent layer is formed on the element and includes a red phosphor (M1−x1Eux1)aSibAlOcNd having a semicircular shape with a radius r, where M is an element that is selected from IA group elements, IIA group elements, IIIA group elements, IIIB group elements except Aluminum, rare-earth elements, and IVB group elements. An intermediate layer is formed on the red fluorescent layer, being made of transparent resin, having a semicircular shape with a radius D; and a green fluorescent layer is formed on the intermediate layer, including a green phosphor, having a semicircular shape. A relationship between the radius r and the radius D is 2.0r(μm)≦D≦(r+1000)(μm).

    摘要翻译: 发光器件包括安装在板上的板和发光元件,发射波长为250nm至500nm的光。 在元件上形成红色荧光层,并且包括具有半径r的半圆形的红色荧光体(M1-x1Eux1)aSibAlOcNd,其中M是选自IA组元素,IIA族元素,IIIA族元素的元素, IIIB族元素,除了铝,稀土元素和IVB族元素。 中间层形成在红色荧光层上,由透明树脂制成,具有半径为D的半圆形状; 并且在具有半圆形形状的包括绿色荧光体的中间层上形成绿色荧光层。 半径r和半径D之间的关系为2.0r(mum)@ D @(r + 1000)(mum)。

    LIGHT EMITTING DEVICE
    2.
    发明申请
    LIGHT EMITTING DEVICE 审中-公开
    发光装置

    公开(公告)号:US20120228653A1

    公开(公告)日:2012-09-13

    申请号:US13215659

    申请日:2011-08-23

    IPC分类号: H01L33/50

    摘要: A light emitting device of embodiments is provided with a light-emitting element emitting excitation light of a first wavelength, a first phosphor layer containing a first phosphor that converts the excitation light into first converted light of a second wavelength longer than the first wavelength, a second phosphor layer provided between the light-emitting element and the first phosphor layer, receiving the excitation light, and containing a second phosphor that converts the excitation light into second converted light of a third wavelength longer than the second wavelength, and a filter layer provided between the first phosphor layer and the second phosphor layer and constituted of a two-dimensional photonic crystal or a three-dimensional photonic crystal that transmits the excitation light and the second converted light and reflects the first converted light.

    摘要翻译: 实施例的发光器件设置有发射第一波长的激发光的发光元件,包含将激发光转换成长于第一波长的第二波长的第一转换光的第一荧光体的第一荧光体层, 第二荧光体层,设置在发光元件和第一荧光体层之间,接收激发光,并且包含将激发光转换成比第二波长长的第三波长的第二转换光的第二荧光体,设置有滤光层 在第一荧光体层和第二荧光体层之间,由透射激发光和第二转换光并反射第一转换光的二维光子晶体或三维光子晶体构成。

    Light emitting device
    3.
    发明授权
    Light emitting device 有权
    发光装置

    公开(公告)号:US08921878B2

    公开(公告)日:2014-12-30

    申请号:US13214572

    申请日:2011-08-22

    摘要: A light emitting device according to one embodiment includes a board; a light emitting element mounted on the board, emitting light having a wavelength of 250 nm to 500 nm; a red fluorescent layer formed on the element, including a red phosphor expressed by equation (1), having a semicircular shape with a diameter r; (M1−x1Eux1)aSibAlOcNd  (1) (In the equation (1), M is an element that is selected from IA group elements, IIA group elements, IIIA group elements, IIIB group elements except Al (Aliminum), rare-earth elements, and IVB group elements),an intermediate layer formed on the red fluorescent layer, being made of transparent resin, having a semicircular shape with a diameter D; and a green fluorescent layer formed on the intermediate layer, including a green phosphor, having a semicircular shape. A relationship between the diameter r and the diameter D satisfies equation (2): 2.0r(μm)≦D≦(r+1000)(μm).  (2)

    摘要翻译: 根据一个实施例的发光器件包括板; 安装在所述板上的发光元件,发射波长为250nm至500nm的光; 形成在元件上的红色荧光层,包括由等式(1)表示的具有直径为r的半圆形形状的红色荧光体; (M1-x1Eux1)aSibAlOcNd(1)(在式(1)中,M是选自IA族元素,IIA族元素,IIIA族元素,Al(Aliminum)以外的IIIB族元素,稀土元素 和IVB族元素),形成在红色荧光层上的由透明树脂制成的具有直径D的半圆形状的中间层; 以及形成在具有半圆形状的绿色荧光体的中间层上形成的绿色荧光体层。 直径r和直径D之间的关系满足式(2):2.0r(μm)≦̸ D≦̸(r + 1000)(μm)。 (2)

    LIGHT EMITTING DEVICE
    5.
    发明申请
    LIGHT EMITTING DEVICE 有权
    发光装置

    公开(公告)号:US20120056225A1

    公开(公告)日:2012-03-08

    申请号:US13214572

    申请日:2011-08-22

    IPC分类号: H01L33/50

    摘要: A light emitting device according to one embodiment includes a board; a light emitting element mounted on the board, emitting light having a wavelength of 250 nm to 500 nm; a red fluorescent layer formed on the element, including a red phosphor expressed by equation (1), having a semicircular shape with a diameter r; (M1−x1Eux1)aSibAlOcNd  (1) (In the equation (1), M is an element that is selected from IA group elements, IIA group elements, IIIA group elements, IIIB group elements except Al (Aliminum), rare-earth elements, and IVB group elements),an intermediate layer formed on the red fluorescent layer, being made of transparent resin, having a semicircular shape with a diameter D; and a green fluorescent layer formed on the intermediate layer, including a green phosphor, having a semicircular shape. A relationship between the diameter r and the diameter D satisfies equation (2): 2.0r(μm)≦D≦(r+1000)(μm).  (2)

    摘要翻译: 根据一个实施例的发光器件包括板; 安装在所述板上的发光元件,发射波长为250nm至500nm的光; 形成在元件上的红色荧光层,包括由等式(1)表示的具有直径为r的半圆形形状的红色荧光体; (M1-x1Eux1)aSibAlOcNd(1)(在式(1)中,M是选自IA族元素,IIA族元素,IIIA族元素,Al(Aliminum)以外的IIIB族元素,稀土元素 和IVB族元素),形成在红色荧光层上的由透明树脂制成的具有直径D的半圆形状的中间层; 以及形成在具有半圆形状的绿色荧光体的中间层上形成的绿色荧光体层。 直径r和直径D之间的关系满足式(2):2.0r(μm)≦̸ D≦̸(r + 1000)(μm)。 (2)

    LIGHT EMITTING DEVICE
    6.
    发明申请
    LIGHT EMITTING DEVICE 有权
    发光装置

    公开(公告)号:US20130069098A1

    公开(公告)日:2013-03-21

    申请号:US13677828

    申请日:2012-11-15

    IPC分类号: H01L33/50

    摘要: According to one embodiment, a light emitting device includes a semiconductor light emitting element to emit a first light, a mounting member, first and second wavelength conversion layers and a transparent layer. The first wavelength conversion layer is provided between the element and the mounting member in contact with the mounting member. The first wavelength conversion layer absorbs the first light and emits a second light having a wavelength longer than a wavelength of the first light. The semiconductor light emitting element is disposed between the second wavelength conversion layer and the first wavelength conversion layer. The second wavelength conversion layer absorbs the first light and emits a third light having a wavelength longer than the wavelength of the first light. The transparent layer is provided between the element and the second wavelength conversion layer. The transparent layer is transparent to the first, second, and third lights.

    摘要翻译: 根据一个实施例,发光器件包括发射第一光的半导体发光元件,安装构件,第一和第二波长转换层以及透明层。 第一波长转换层设置在与安装构件接触的元件和安装构件之间。 第一波长转换层吸收第一光并发射波长比第一光的波长长的第二光。 半导体发光元件设置在第二波长转换层和第一波长转换层之间。 第二波长转换层吸收第一光并发射波长比第一光的波长长的第三光。 透明层设置在元件和第二波长转换层之间。 透明层对于第一,第二和第三光是透明的。

    Light emitting device and a method for manufacturing the same
    9.
    发明授权
    Light emitting device and a method for manufacturing the same 有权
    发光元件及其制造方法

    公开(公告)号:US08071995B2

    公开(公告)日:2011-12-06

    申请号:US12719484

    申请日:2010-03-08

    IPC分类号: H01L33/00

    摘要: A light emitting device, includes: a light source to emit source light; a first wavelength conversion portion to absorb the source light and to emit first light having a wavelength different from a wavelength of the source light; a light transmitting portion provided at an opposite side of the first wavelength conversion portion from the light source and configured to transmit the source light and the first light; and a second wavelength conversion portion provided at an opposite side of the light transmitting portion from the first wavelength conversion portion and configured to absorb at least one of the source light and the first light to emit second light having a wavelength different from the wavelength of the source light and also different from a wavelength of the first light. Part of the source light is configured to be taken to an outside of the light emitting device without passing through at least one of the first wavelength conversion portion and the second wavelength conversion portion.

    摘要翻译: 一种发光器件,包括:发光源的光源; 第一波长转换部分,用于吸收源光并发射具有不同于源光波长的波长的第一光; 光传输部分,设置在与光源相反的第一波长转换部分的相对侧并且被配置为透射源光和第一光; 以及第二波长转换部,其设置在所述透光部的与所述第一波长转换部的相反侧,并且被配置为吸收所述源光和所述第一光中的至少一个,以发射具有与所述第二波长的波长不同的波长的第二光 源光并且也不同于第一光的波长。 源光的一部分被配置为被带到发光器件的外部,而不通过第一波长转换部分和第二波长转换部分中的至少一个。

    Light-emitting device
    10.
    发明授权
    Light-emitting device 有权
    发光装置

    公开(公告)号:US07884538B2

    公开(公告)日:2011-02-08

    申请号:US12143382

    申请日:2008-06-20

    IPC分类号: H01J1/62

    摘要: A light-emitting device is provided, which includes a package having a first portion and a second portion surrounding it, a semiconductor light-emitting element mounted on the first portion and emitting a light having an emission peak in a near-ultraviolet region, a transparent resin layer covering the semiconductor light-emitting element and contacted with the package, and a laminated body formed on the transparent resin layer with end faces of the laminated body being contacted with the second portion. The transparent resin layer has an arch-like outer profile perpendicular cross section. The laminated body has an arch-like outer profile in perpendicular cross section and comprises a red fluorescent layer, a yellow fluorescent layer, a green fluorescent layer and a blue fluorescent layer laminated in the mentioned order. The yellow fluorescent layer has a top portion which is made larger in thickness than that of the end face portions thereof.

    摘要翻译: 提供了一种发光器件,其包括具有第一部分和围绕其的第二部分的封装,安装在第一部分上并发射在近紫外区域具有发射峰的光的半导体发光元件, 覆盖半导体发光元件并与封装物接触的透明树脂层和形成在透明树脂层上的层叠体,层叠体的端面与第二部分接触。 透明树脂层具有拱形外形垂直横截面。 层叠体具有垂直截面的拱形外部轮廓,并且包括以上述顺序层压的红色荧光层,黄色荧光层,绿色荧光层和蓝色荧光体层。 黄色荧光层具有比其端面部分的厚度大的顶部。