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1. 发明申请

US20120056527A1 LIGHT EMITTING DEVICE 有权
标题翻译：发光装置
公开(公告)号：US20120056527A1
公开(公告)日：2012-03-08
申请号：US13034137
申请日：2011-02-24
申请人： Iwao MITSUISHI , Kunio ISHIDA , Yumi FUKUDA , Aoi OKADA , Naotoshi MATSUDA , Keiko ALBESSARD , Shinya NUNOUE
发明人： Iwao MITSUISHI , Kunio ISHIDA , Yumi FUKUDA , Aoi OKADA , Naotoshi MATSUDA , Keiko ALBESSARD , Shinya NUNOUE
IPC分类号： H01J1/62
CPC分类号： C09K11/7734 , C09K11/7728 , H01L33/504 , H01L33/505 , H01L33/56 , H01L2224/45144 , H01L2224/48091 , H01L2924/00014 , H01L2924/00
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）

2. 发明申请

US20120056525A1 LIGHT EMITTING DEVICE 有权
标题翻译：发光装置
公开(公告)号：US20120056525A1
公开(公告)日：2012-03-08
申请号：US13033911
申请日：2011-02-24
申请人： Kunio ISHIDA , Iwao MITSUISHI , Ryosuke HIRAMATSU , Yumi FUKUDA , Keiko ALBESSARD , Naotoshi MATSUDA , Aoi OKADA , Shinya NUNOUE
发明人： Kunio ISHIDA , Iwao MITSUISHI , Ryosuke HIRAMATSU , Yumi FUKUDA , Keiko ALBESSARD , Naotoshi MATSUDA , Aoi OKADA , Shinya NUNOUE
IPC分类号： H01J1/63 , H01J1/62
CPC分类号： H05B33/14 , H01L33/20 , H01L33/504 , H01L33/508
摘要： A light emitting device according to one embodiment includes a light emitting element that emits light having a wavelength of 250 nm to 500 nm; plural red fluorescent layers that are formed above the light emitting element to include a red fluorescent material, the red fluorescent layers being disposed at predetermined intervals; and plural green fluorescent layers that are formed above the light emitting element to include a green fluorescent material, a distance between the light emitting element and the green fluorescent layers being larger than a distance between the light emitting element and the red fluorescent layers.
摘要翻译：根据一个实施例的发光器件包括发射波长为250nm至500nm的光的发光元件; 多个红色荧光层，其形成在发光元件上方以包括红色荧光材料，红色荧光层以预定间隔设置; 以及形成在发光元件上方以包括绿色荧光材料的多个绿色荧光层，发光元件和绿色荧光层之间的距离大于发光元件和红色荧光层之间的距离。

3. 发明申请

US20120228653A1 LIGHT EMITTING DEVICE 审中-公开
标题翻译：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
申请人： Kunio ISHIDA , Iwao Mitsuishi , Shinya Nunoue
发明人： Kunio ISHIDA , Iwao Mitsuishi , Shinya Nunoue
IPC分类号： H01L33/50
CPC分类号： H01L33/504 , C09K11/0883 , C09K11/7734 , H01L33/44 , H01L2224/16225 , H01L2933/0041 , H01L2933/0083
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。

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