公开(公告)号：US20160104749A1

公开(公告)日：2016-04-14

申请号：US14891505

申请日：2014-05-15

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Hiroya TSUJI ,  Kazuyuki YAMAE ,  Satoshi OHARA ,  Varutt KITTICHUNGCHIT

IPC: H01L27/32 ,  H01L51/50 ,  C09K11/06

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.

Abstract translation: 目的是提供具有改善的发光效率的有机电致发光元件。 有机电致发光元件具有这样的结构，其中包含磷光红色发光材料的第一发光单元，包含磷光黄色发光材料的第二发光单元和包含荧光蓝色的第三发光单元 发光材料之间夹有中间层。 磷光黄色发光材料的峰值发射波长在530nm至570nm的范围内。 荧光蓝色发光材料的峰值发射波长在440nm至480nm的范围内。 有机电致发光元件的黄色发光强度与蓝色发光​​强度的比例为1.0〜2.0。 有机电致发光元件还具有在1.5〜3.0的范围内的红色发光强度与蓝色发光​​强度的比率。

公开(公告)号：US20160049562A1

公开(公告)日：2016-02-18

申请号：US14783239

申请日：2014-01-17

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Yasuhisa INADA ,  Kazuyuki YAMAE ,  Akira HASHIYA

IPC: H01L33/58 ,  H01L51/52 ,  H01L33/22

CPC classification number: H01L33/58 ,  G02B5/0221 ,  H01L33/22 ,  H01L51/5275 ,  H01L2251/5315 ,  H01L2251/5369

Abstract: An illuminator includes a light-emitting element and a light extraction sheet which transmits light occurring from the light-emitting element. The light-emitting element includes a first electrode having a light transmitting property, a second electrode, and an emission layer between the first and second electrodes. The light extraction sheet includes a light-transmitting substrate having a first principal face and a second principal face, a first light extraction structure on the first principal face side of the light-transmitting substrate, and a second light extraction structure on the second principal face side of the light-transmitting substrate. The first light extraction structure includes a low-refractive index layer and a high-refractive index layer. The second light extraction structure is arranged so that light which is transmitted through the light-transmitting substrate and arrives at an incident angle of 40 degrees to 60 degrees has an average transmittance of 42% or more.

Abstract translation: 照明器包括发光元件和透光从发光元件发出的光的光提取片。 发光元件包括具有透光性的第一电极，第二电极和在第一和第二电极之间的发射层。 光提取片包括具有第一主面和第二主面的透光性基板，在透光性基板的第一主面侧的第一光提取结构以及第二主面上的第二光提取结构 侧的透光性基板。 第一光提取结构包括低折射率层和高折射率层。 第二光提取结构被布置成使得透射透光基板并以40度至60度的入射角到达的光的平均透射率为42％以上。

公开(公告)号：US20220082230A1

公开(公告)日：2022-03-17

申请号：US17423081

申请日：2019-12-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Noboru IIZAWA ,  Masahito YAMANA ,  Kazuyuki YAMAE ,  Tetsuya NISHI

IPC: F21V9/30 ,  F21V8/00 ,  F21V7/00

Abstract: An illuminating device according to the present disclosure is of a reflective type and uses a laser beam. The illuminating device includes: a laser element that emits a laser beam; an optical fiber that transmits the laser beam emitted by the laser element; a phosphor layer that converts a wavelength of light incident on one of surfaces and emits the light through the one of the surfaces; and an optical component that causes reflected light of the laser beam transmitted through the optical fiber to be incident on the one of the surfaces of the phosphor layer. With the illuminating device, an intensity distribution of the light incident on the one of the surfaces of the phosphor layer is sparse at a central region.

公开(公告)号：US20200271848A1

公开(公告)日：2020-08-27

申请号：US16793245

申请日：2020-02-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Daigo YAMASHINA ,  Hironori AKIYAMA ,  Kazuyuki YAMAE

IPC: F21V8/00 ,  G02B1/04 ,  C08L53/02

Abstract: A lighting apparatus includes: a light source module; a light guide that guides light emitted from the light source module; and a light exit structure provided in the light guide, for causing the light to exit the light guide. The light guide includes: a base material that is flexible and light-transmissive; and a visible-light absorber uniformly dispersed in the base material. The visible-light absorber has a maximum absorption wavelength of at least 500 nm and at most 750 nm.

公开(公告)号：US20180119925A1

公开(公告)日：2018-05-03

申请号：US15786834

申请日：2017-10-18

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Kazuyuki YAMAE

IPC: F21V13/04 ,  G02B7/02 ,  F21V21/04 ,  F21V17/06 ,  F21S8/02 ,  F21V19/02 ,  F21V5/04

CPC classification number: F21V13/04 ,  F21K9/20 ,  F21K9/68 ,  F21S8/00 ,  F21S8/02 ,  F21V5/004 ,  F21V5/008 ,  F21V5/04 ,  F21V5/045 ,  F21V17/06 ,  F21V19/02 ,  F21V21/04 ,  F21V21/28 ,  F21V21/30 ,  F21V23/002 ,  F21Y2115/10 ,  F21Y2115/15 ,  F21Y2115/20 ,  G02B3/08 ,  G02B7/02 ,  G02B27/0938 ,  G02B27/095 ,  G02B27/0983

Abstract: A lighting device includes a light source and a light distributor disposed on a light emission side of the light source. The light distributor includes an entrance surface through which light enters and an exit surface through which the light that enters through the entrance surface exits. At least one of the entrance surface and the exit surface includes concave regions. Each of the concave regions includes a smooth concave surface. The concave regions control distribution of light from the light source that is refracted or reflected by an optical lens or a reflective component.

公开(公告)号：US20160293892A1

公开(公告)日：2016-10-06

申请号：US15036145

申请日：2014-10-09

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Kazuyuki YAMAE ,  Yasuhisa INADA ,  Akira HASHIYA

IPC: H01L51/52 ,  H01L51/50

CPC classification number: H01L51/5268 ,  H01L51/0037 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5275 ,  H01L51/5293

Abstract: This organic electroluminescent element includes: a light transmissive substrate; a light emitting stack including a first electrode, a light emitting layer, and a second electrode; and at least one light-outcoupling structure which has an uneven structure. The light emitting layer has a birefringence property with a higher refractive index in a direction parallel to a surface of the light transmissive substrate than a refractive index in a direction perpendicular to the surface of the light transmissive substrate. The uneven structure includes a plurality of protrusions which are individually allocated to some of planar matrix-like sections, and with regard to unit regions consisting of same number of sections of the planar matrix-like sections, a ratio of an area of one or more of the plurality of protrusions in a unit region is substantially constant in each unit region.

Abstract translation: 该有机电致发光元件包括：透光性基板; 包括第一电极，发光层和第二电极的发光堆叠; 以及具有不均匀结构的至少一个光输出耦合结构。 发光层在与透光性基板的表面平行的方向上的折射率比与透光性基板的表面垂直的方向的折射率高，具有折射率高的双折射性。 不平坦结构包括多个突起，其分别分配给一些平面矩阵状部分，并且关于由平面矩阵状部分的相同数目的部分组成的单位区域，一个或多个区域的面积的比率 在单位区域中的多个突起的大致恒定。

公开(公告)号：US20160141554A1

公开(公告)日：2016-05-19

申请号：US14891811

申请日：2014-01-17

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Akira HASHIYA ,  Yasuhisa INADA ,  Kazuyuki YAMAE

IPC: H01L51/52 ,  G02B5/02 ,  G02B3/00

CPC classification number: H01L51/5275 ,  G02B3/0068 ,  G02B5/0242 ,  G02B5/0278 ,  H01L2251/5315 ,  H01L2251/5361

Abstract: An illuminator includes a light-emitting element and a light extraction sheet which transmits light occurring from the light-emitting element. The light-emitting element includes a first electrode having a light transmitting property, a second electrode, and an emission layer between the first and second electrodes. The light extraction sheet includes a light-transmitting substrate having a first face and a second face, a first light extraction structure on the first face side of the light-transmitting substrate, and a second light extraction structure on the second face side of the light-transmitting substrate. The first light extraction structure includes a low-refractive index layer and a high-refractive index layer having a higher refractive index than the low-refractive index layer. The second light extraction structure is arranged so that light which is transmitted through the light-transmitting substrate and arrives at an incident angle of 60 to 80 degrees has an average transmittance of 20% or more.

Abstract translation: 照明器包括发光元件和透光从发光元件发出的光的光提取片。 发光元件包括具有透光性的第一电极，第二电极和在第一和第二电极之间的发射层。 光提取片包括具有第一面和第二面的透光性基板，在透光性基板的第一面侧的第一光提取结构和位于光的第二面侧的第二光提取结构 发射基质。 第一光提取结构包括折射率低于低折射率层的低折射率层和高折射率层。 第二光提取结构被布置成使得透射通过透光基板并以60至80度的入射角到达的光的平均透射率为20％以上。

公开(公告)号：US20160064682A1

公开(公告)日：2016-03-03

申请号：US14787337

申请日：2014-05-13

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Kazuyuki YAMAE ,  Hiroya TSUJI ,  Varutt KITTICHUNGCHIT

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/504 ,  C09K11/06 ,  H01L27/3209 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5044 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5237 ,  H01L51/5268 ,  H01L2251/5307 ,  H01L2251/5361 ,  H01L2251/5376

Abstract: An organic electroluminescent element including at least three light-emitting units. The at least three light-emitting units include one or more short-wavelength light-emitting units having a weighted average emission wavelength λS of 380 or more and less than 550 nm, and two or more long-wavelength light-emitting units having a weighted average emission wavelength λS of 550 nm or more and 780 nm or less. The two or more long-wavelength light-emitting units are greater in number than the one or more short-wavelength light-emitting units.

Abstract translation: 一种包括至少三个发光单元的有机电致发光元件。 所述至少三个发光单元包括具有380以上且小于550nm的加权平均发射波长λS的一个或多个短波长发光单元，以及具有加权平均发射波长λS的两个或更多个长波长发光单元 平均发射波长λS为550nm以上且780nm以下。 两个以上的长波长发光单元的数量比一个以上的短波长发光单元大。

公开(公告)号：US20150303405A1

公开(公告)日：2015-10-22

申请号：US14418560

申请日：2013-09-04

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Shin OKUMURA ,  Hitomichi TAKANO ,  Hirofumi KUBOTA ,  Kazuyuki YAMAE ,  Masao KIRIHARA

IPC: H01L51/52

CPC classification number: H01L51/5253 ,  H01L51/5203 ,  H01L51/5212 ,  H01L51/5268 ,  H01L51/5275 ,  H01L2251/5361

Abstract: The present invention relates to an organic electroluminescence element in which a transparent first electrode, an organic light emitting layer, a second electrode are stacked on a translucent substrate in this order. The translucent substrate includes a moisture-proof layer facing the first electrode. An LR layer and an HR layer having a refractive index higher than a refractive index of the LR layer are situated between the moisture-proof layer and the first electrode in this order from the moisture-proof layer. An uneven structure is provided at an interface between the LR layer and the HR layer. A linear expansivity α of the moisture-proof layer, and a linear expansivity β of the LR layer, and a linear expansivity γ of the HR layer satisfy a relation of α≦β≦γ.

Abstract translation: 本发明涉及一种有机电致发光元件，其中透明第一电极，有机发光层，第二电极依次层叠在透光性基板上。 半透明基板包括面向第一电极的防潮层。 具有高于LR层折射率的折射率的LR层和HR层从防潮层依次位于防潮层和第一电极之间。 在LR层和HR层之间的界面处设置有不均匀的结构。 防潮层的线性膨胀系数α和线性膨胀率bgr; 并且HR层的线膨胀系数γ满足α＆nlE;＆bgr;＆nlE;γ的关系。