公开(公告)号：US20160211479A1

公开(公告)日：2016-07-21

申请号：US15085313

申请日：2016-03-30

Applicant: SEIKO EPSON CORPORATION

Inventor： Hidekazu KOBAYASHI ,  Koya SHIRATORI ,  Atsushi YOSHIOKA

IPC: H01L51/52 ,  H01L51/50

CPC classification number: H01L51/56 ,  H01L27/3206 ,  H01L51/0021 ,  H01L51/5036 ,  H01L51/5092 ,  H01L51/5203 ,  H01L51/5206 ,  H01L51/5218 ,  H01L51/5228 ,  H01L51/5234 ,  H01L51/5237 ,  H01L51/5246 ,  H01L51/5253 ,  H01L51/5265 ,  H01L51/5271 ,  H01L2251/5315 ,  H01L2251/558

Abstract: A light-emitting device includes a light-reflecting layer, a first electrode disposed on or above the light-reflecting layer, a semi-transparent reflective second electrode, a light-emitting function layer disposed between the first electrode and the second electrode, and an electron-injection layer disposed between the light-emitting function layer and the second electrode. The second electrode is made of an Ag alloy having an Ag content of from 50% by atoms to 98% by atoms.

Abstract translation: 发光装置包括光反射层，设置在光反射层上或上方的第一电极，半透明反射第二电极，设置在第一电极和第二电极之间的发光功能层，以及 设置在发光功能层和第二电极之间的电子注入层。 第二电极由Ag含量为50原子％至98原子的Ag合金制成。

公开(公告)号：US20210294192A1

公开(公告)日：2021-09-23

申请号：US17208179

申请日：2021-03-22

Applicant: SEIKO EPSON CORPORATION

Inventor： Koya SHIRATORI ,  Mizuha HIROKI ,  Ryuta KOIZUMI ,  Tetsuo SHIMIZU

IPC: G03B21/20

Abstract: A wavelength conversion element according to the present disclosure includes a substrate, a reflecting layer, a wavelength conversion layer which is disposed on the reflecting layer, and which is configured to convert light in a first wavelength band into light in a second wavelength band, a structure which is disposed on the wavelength conversion layer, and which is configured to scatter the light in the first wavelength band, and an optical layer which is disposed on the structure, and which is configured to reflect a part of the light in the first wavelength band, transmit another part of the light in the first wavelength band, and transmit the light in the second wavelength band, wherein the optical layer is different in reflectance with respect to the light in the first wavelength band in accordance with an incidence angle of the light in the first wavelength band entering the optical layer.

公开(公告)号：US20200313109A1

公开(公告)日：2020-10-01

申请号：US16901896

申请日：2020-06-15

Applicant: SEIKO EPSON CORPORATION

Inventor： Koya SHIRATORI ,  Yuki HANAMURA ,  Tsutomu ASAKAWA

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L33/36 ,  H01L33/40 ,  H01L33/42

Abstract: An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.

公开(公告)号：US20170352842A1

公开(公告)日：2017-12-07

申请号：US15612523

申请日：2017-06-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Koya SHIRATORI ,  Takeshi KOSHIHARA ,  Ryoichi NOZAWA

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5275 ,  H01L27/3211 ,  H01L51/5012 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5253 ,  H01L51/5265 ,  H01L51/5271 ,  H01L2251/303

Abstract: An organic EL device has at least a first pixel and a second pixel different in the optical path length, in which the first pixel and the second pixel have a reflective layer, a protective layer, an optical path length adjusting layer, a first electrode, a light emitting function layer, and a second electrode, and the optical path length adjusting layer is an insulating layer and has a refractive index higher than a refractive index of the protective layer.

公开(公告)号：US20170279068A1

公开(公告)日：2017-09-28

申请号：US15452089

申请日：2017-03-07

Applicant: SEIKO EPSON CORPORATION

Inventor： Koya SHIRATORI ,  Yuki HANAMURA ,  Tsutomu ASAKAWA

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5212 ,  H01L27/3211 ,  H01L27/322 ,  H01L51/50 ,  H01L51/5084 ,  H01L51/5203 ,  H01L51/5231 ,  H01L51/5253 ,  H01L51/5259 ,  H01L51/5265 ,  H01L2251/558

Abstract: An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.

公开(公告)号：US20150243932A1

公开(公告)日：2015-08-27

申请号：US14607930

申请日：2015-01-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Koya SHIRATORI ,  Takeshi KOSHIHARA

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5271 ,  H01L51/524 ,  H01L51/5265 ,  H01L51/5275 ,  H01L51/5284 ,  H01L2251/5315 ,  H01L2251/558

Abstract: There is provided a display device including an element substrate that has a display area; and a counter substrate. When it is assumed that the length of the shortest edge of the display area is X1, the length of a longest diagonal line of the display area is X3, the thickness of the counter substrate is L1, the refraction index of the counter substrate is n1, the refractive index of the air is n2, and the minimum value of an angle, which is generated between a progress direction of light emitted from the organic EL elements and a normal vector direction is totally reflected in the surface, is α, the relationship of X1/(2 tan α)≦L1≦X3/(tan α) is realized.

Abstract translation: 提供了一种显示装置，包括具有显示区域的元件基板; 和相对基板。 当假设显示区域的最短边缘的长度为X1时，显示区域的最长对角线的长度为X3，相对基板的厚度为L1，对置基板的折射率为n1 ，空气的折射率为n2，在从有机EL元件发射的光的行进方向与法线矢量方向之间产生的角度的最小值在表面中被全部反射为α，关系 的X1 /（2tanα）＆nlE; L1＆nlE; X3 /（tanα）。

公开(公告)号：US20150029724A1

公开(公告)日：2015-01-29

申请号：US14327152

申请日：2014-07-09

Applicant: SEIKO EPSON CORPORATION

Inventor： Koya SHIRATORI ,  Takeshi KOSHIHARA

IPC: H01L27/32 ,  F21V7/22 ,  F21V9/10

CPC classification number: H01L27/322 ,  H01L51/5265

Abstract: A light-emitting device has a resonant structure including a reflection layer, an emitting layer and a semitransmissive reflection layer with the same optical length between the reflection layer and the semitransmissive reflection layer in all of regions from which light is emitted. The light emitting device further includes color filters through which light from the emitting layer having wavelengths of red, green and blue light is extracted, and a notch filter having the lowest transmittance for light having wavelengths in a region between red light and green light and wavelengths in a region between green light and blue light.

Abstract translation: 发光器件具有包括反射层，发光层和半透射反射层的谐振结构，在发射光的所有区域中，在反射层和半透射反射层之间具有相同的光学长度。 发光装置还包括滤色器，通过该滤色器提取具有红色，绿色和蓝色光波长的发光层的光，并且具有对于在红色光和绿色光之间的区域具有波长的光具有最低透射率的陷波滤波器以及波长 在绿光和蓝光之间的区域。