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Patent Agency Ranking
公开(公告)号：US09666644B2
公开(公告)日：2017-05-30
申请号：US14784416
申请日：2014-05-08
Inventor： Satoshi Ohara , Hiroya Tsuji , Kazuyuki Yamae
CPC classification number: H01L27/3209 , H01L27/3211 , H01L51/50 , H01L51/5012 , H01L51/5016 , H01L51/504 , H01L51/5044 , H01L51/5278
Abstract: Three light-emitting units are included. Two light-emitting units of the three light-emitting units are similar-color light-emitting units that emit light in a similar color, and have mutually different luminance lives. A remaining light-emitting unit of the three light-emitting units is a different-color light-emitting unit that emits light in a color that is different from the similar color, and has a luminance life that is shorter than each luminance life of the two similar-color light-emitting units.
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公开(公告)号：US09748313B2
公开(公告)日：2017-08-29
申请号：US14891505
申请日：2014-05-15
Inventor： Hiroya Tsuji , Kazuyuki Yamae , Satoshi Ohara , Varutt Kittichungchit
CPC classification number: H01L27/3209 , C09K11/06 , C09K2211/10 , C09K2211/1011 , C09K2211/1029 , C09K2211/1088 , C09K2211/185 , H01L51/005 , H01L51/0058 , H01L51/006 , H01L51/0085 , H01L51/5016 , H01L51/5044
Abstract: The objective is to provide an organic electroluminescent element with an improved luminous efficiency. The organic electroluminescent element has a structure in which a first light-emitting unit containing a phosphorescent red light-emitting material, a second light-emitting unit containing a phosphorescent yellow light-emitting material, and a third light-emitting unit containing a fluorescent blue light-emitting material are stacked with interlayers in-between. A peak emission wavelength of the phosphorescent yellow light-emitting material is in a range of 530 nm to 570 nm. A peak emission wavelength of the fluorescent blue light-emitting material is in a range of 440 nm to 480 nm. The organic electroluminescent element has a ratio of a yellow emission intensity to a blue emission intensity in a range of 1.0 to 2.0. The organic electroluminescent element further has a ratio of a red emission intensity to the blue emission intensity in a range of 1.5 to 3.0.
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公开(公告)号：US20150279909A1
公开(公告)日：2015-10-01
申请号：US14437517
申请日：2013-10-30
Inventor： Hiroya Tsuji , Satoshi Ohara , Varutt Kittichungchit
CPC classification number: H01L27/3209 , H01L51/504 , H01L51/5044 , H01L51/5218 , H01L51/5221 , H01L51/5234 , H01L51/5268 , H01L2251/5361 , H01L2251/5376
Abstract: An organic electroluminescence element has a multi-unit structure which includes a first light-emitting unit, an intermediate layer and a second light-emitting unit. A light-emitting layer of the first light-emitting unit includes a blue light-emitting material. The second light-emitting unit has a stacked structure of light-emitting layers in which a red light-emitting layer including a red light-emitting material and a green light-emitting layer including a green light-emitting material are stacked. One of the red light-emitting layer and the green light-emitting layer is closer to the positive electrode than the other of the red light-emitting layer and the green light-emitting layer, and includes a hole-transporting material as a host material. The other of the red light-emitting layer and the green light-emitting layer is closer to the negative electrode than the one of the red light-emitting layer and the green light-emitting layer, and includes an electron-transporting material as a host material.
Abstract translation: 有机电致发光元件具有包括第一发光单元，中间层和第二发光单元的多单元结构。 第一发光单元的发光层包括蓝色发光材料。 第二发光单元具有发光层的叠层结构，其中堆叠包括红色发光材料的红色发光层和包括绿色发光材料的绿色发光层。 红色发光层和绿色发光层中的一个比红色发光层和绿色发光层中的另一个更靠近正极，并且包括作为主体材料的空穴传输材料 。 红色发光层和绿色发光层中的另一方比红色发光层和绿色发光层中的一方更靠近负极，并且包括电子传输材料作为主体 材料。
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公开(公告)号：US09431624B2
公开(公告)日：2016-08-30
申请号：US14413896
申请日：2013-07-08
Inventor： Hiroya Tsuji , Satoshi Okutani , Satoshi Ohara
CPC classification number: H01L51/504 , C09K11/06 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/185 , H01L27/3209 , H01L51/5044 , H01L51/5206 , H01L51/5221 , H01L51/5262 , H01L51/5268 , H01L51/5275 , H01L51/5278 , H01L2251/558
Abstract: An organic electroluminescent element includes electrodes and organic light-emitting layers that are between the electrodes. The organic light-emitting layers contain at least three colors of luminescent materials. A first luminescent material has a maximum light emission wavelength within a range of 430 nm to 480 nm. A second luminescent material has a maximum light emission wavelength within a range of 510 nm to 610 nm. A third luminescent material has a maximum light emission wavelength within a range of 580 nm to 630 nm. An average value of average color rendering indexes in a wide angle region of 30° to 60° with respect to a front direction of a light emission surface is higher than an average color rendering index in the front direction.
Abstract translation: 有机电致发光元件包括位于电极之间的电极和有机发光层。 有机发光层含有至少三种发光材料。 第一发光材料的最大发光波长在430nm至480nm的范围内。 第二发光材料的最大发光波长在510nm至610nm的范围内。 第三发光材料的最大发光波长在580nm至630nm的范围内。 在相对于发光面的前方向的30°〜60°的广角区域中的平均显色指数的平均值高于前方的平均显色指数。
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公开(公告)号：US20150207092A1
公开(公告)日：2015-07-23
申请号：US14413896
申请日：2013-07-08
Inventor： Hiroya Tsuji , Satoshi Okutani , Satoshi Ohara
CPC classification number: H01L51/504 , C09K11/06 , C09K2211/1011 , C09K2211/1014 , C09K2211/1029 , C09K2211/185 , H01L27/3209 , H01L51/5044 , H01L51/5206 , H01L51/5221 , H01L51/5262 , H01L51/5268 , H01L51/5275 , H01L51/5278 , H01L2251/558
Abstract: An organic electroluminescent element includes electrodes and organic light-emitting layers that are between the electrodes. The organic light-emitting layers contain at least three colors of luminescent materials. A first luminescent material has a maximum light emission wavelength within a range of 430 nm to 480 nm. A second luminescent material has a maximum light emission wavelength within a range of 510 nm to 610 nm. A third luminescent material has a maximum light emission wavelength within a range of 580 nm to 630 nm. An average value of average color rendering indexes in a wide angle region of 30° to 60° with respect to a front direction of a light emission surface is higher than an average color rendering index in the front direction.
Abstract translation: 有机电致发光元件包括位于电极之间的电极和有机发光层。 有机发光层含有至少三种发光材料。 第一发光材料的最大发光波长在430nm至480nm的范围内。 第二发光材料的最大发光波长在510nm至610nm的范围内。 第三发光材料的最大发光波长在580nm至630nm的范围内。 在相对于发光面的前方向的30°〜60°的广角区域中的平均显色指数的平均值高于前方的平均显色指数。
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