公开(公告)号：US09905788B2

公开(公告)日：2018-02-27

申请号：US14087476

申请日：2013-11-22

Applicant: LG Display Co., Ltd.

Inventor： Se-Hee Lee ,  Sun-Kap Kwon

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

CPC classification number: H01L51/5012 ,  H01L27/3211 ,  H01L51/5265

Abstract: An organic light emitting display includes a red light emitting layer, a green light emitting layer and a blue light emitting layer formed between first and second electrodes, a hole-transporting layer formed between the first electrode and each of the red, the green and the blue light emitting layers, and an electron-transporting layer formed between the second electrode and each of the red, the green and the blue light emitting layers, wherein at least one light emitting layer of the red, the green and the blue light emitting layers includes a first light emitting layer including a light emitting host and a light emitting dopant, and a second light emitting layer which is formed between the first light emitting layer and at least one of the electron-transporting layer and the hole-transporting layer, and includes the light emitting dopant.

公开(公告)号：US09150954B2

公开(公告)日：2015-10-06

申请号：US13661265

申请日：2012-10-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Se-Hee Lee ,  Sun-Kap Kwon

IPC: H01L51/54 ,  C23C14/24 ,  H01L51/50 ,  C23C14/50 ,  C23C14/54 ,  H01L51/52 ,  H01L51/56

CPC classification number: C23C14/24 ,  C23C14/50 ,  C23C14/542 ,  H01L51/5012 ,  H01L51/5036 ,  H01L51/5218 ,  H01L51/5265 ,  H01L51/56

Abstract: There is provided a light-emitting diode including: a first electrode including a reflective metal layer and a transparent conductive material layer formed on the reflective metal layer; an emitting material layer formed on the first electrode and including a light-emitting layer formed with a host and first and second dopants; and a second electrode formed on the emitting material layer and being a semi-transparent electrode, wherein a first wavelength corresponding to a peak value of a photo luminescence (PL) spectrum of the first dopant is shorter than a second wavelength corresponding to a peak value of an electro luminescence (EL) spectrum of the first dopant, and a third wavelength corresponding to a peak value of a PL spectrum of the second dopant is longer than a fourth wavelength corresponding to a peak value of an EL spectrum of the second dopant.

Abstract translation: 提供了一种发光二极管，包括：第一电极，其包括形成在反射金属层上的反射金属层和透明导电材料层; 形成在第一电极上并且包括形成有主体和第一和第二掺杂剂的发光层的发光材料层; 以及形成在所述发光材料层上并且是半透明电极的第二电极，其中对应于所述第一掺杂剂的光致发光（PL）光谱的峰值的第一波长短于对应于峰值的第二波长 的第一掺杂剂的电致发光（EL）光谱和对应于第二掺杂剂的PL光谱的峰值的第三波长比对应于第二掺杂剂的EL光谱的峰值的第四波长长。

公开(公告)号：US08987716B2

公开(公告)日：2015-03-24

申请号：US13708094

申请日：2012-12-07

Applicant: LG Display Co., Ltd.

Inventor： Se-Hee Lee ,  Sun-Kap Kwon

IPC: H01L51/52 ,  H01L51/56 ,  H01L27/32 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L27/3216 ,  H01L51/0011 ,  H01L51/0012 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5265

Abstract: There is provided an organic light-emitting diode (OLED) display device, including: a first substrate on which a plurality of sub-pixel areas are defined; a plurality of first electrodes in the plurality of sub-pixel areas, respectively; and a plurality of light-emitting layers over the plurality of first electrodes and corresponding to the plurality of sub-pixel areas, respectively; wherein at least one of the plurality of light-emitting layers extends to a neighboring sub-pixel area among the plurality of sub-pixel areas, and has an occupied area in the neighboring sub-pixel area.

Abstract translation: 提供了一种有机发光二极管（OLED）显示装置，包括：第一基板，多个子像素区域被限定在该第一基板上; 分别在所述多个子像素区域中的多个第一电极; 和多个第一电极上的多个发光层，分别对应于多个子像素区域; 其中所述多个发光层中的至少一个延伸到所述多个子像素区域中的相邻子像素区域，并且在所述相邻子像素区域中具有占用区域。

公开(公告)号：US20130146853A1

公开(公告)日：2013-06-13

申请号：US13708094

申请日：2012-12-07

Applicant: LG Display Co., Ltd.

Inventor： Se-Hee Lee ,  Sun-Kap Kwon

IPC: H01L27/32 ,  H01L51/00

CPC classification number: H01L27/3216 ,  H01L51/0011 ,  H01L51/0012 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5265

Abstract: There is provided an organic light-emitting diode (OLED) display device, including: a first substrate on which a plurality of sub-pixel areas are defined; a plurality of first electrodes in the plurality of sub-pixel areas, respectively; and a plurality of light-emitting layers over the plurality of first electrodes and corresponding to the plurality of sub-pixel areas, respectively; wherein at least one of the plurality of light-emitting layers extends to a neighboring sub-pixel area among the plurality of sub-pixel areas, and has an occupied area in the neighboring sub-pixel area.

Abstract translation: 提供了一种有机发光二极管（OLED）显示装置，包括：第一基板，多个子像素区域被限定在该第一基板上; 分别在所述多个子像素区域中的多个第一电极; 和多个第一电极上的多个发光层，分别对应于多个子像素区域; 其中所述多个发光层中的至少一个延伸到所述多个子像素区域中的相邻子像素区域，并且在所述相邻子像素区域中具有占用区域。

公开(公告)号：US09559323B2

公开(公告)日：2017-01-31

申请号：US14109084

申请日：2013-12-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Se-Hee Lee ,  Kwan-Soo Kim ,  Seok-Jong Lee ,  Jin-Ho Park ,  Sun-Kap Kwon

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00

CPC classification number: H01L51/504 ,  H01L27/3211 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/0077 ,  H01L51/0081 ,  H01L51/5012 ,  H01L51/5064 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5265 ,  H01L2251/5384

Abstract: An organic light emitting display device includes a first electrode formed on a substrate and being a reflective electrode, a second electrode facing the first electrode and being a semi-transparent electrode, and red, green and blue emission layers formed between the first and second electrodes, wherein a maximum electroluminescent peak of the redemission layer and a maximum photoluminescence peak of a host included in the red emission layer satisfy Equation 1 below: REDELλmax−RHPLλmax≧120 nm   wherein REDELλmax is a maximum electroluminescent peak of the red emission layer, and RHPLλmax is a maximum photoluminescence peak of a red host included in the red emission layer.

Abstract translation: 公开了一种根据视角具有增强的色纯度的有机发光显示装置。 有机发光显示装置包括形成在基板上的第一电极和反射电极，面对第一电极并且是半透明电极的第二电极以及形成在第一和第二电极之间的红色，绿色和蓝色发射层 其中，每个发射层中包括的红色，绿色和蓝色发射层中的每一个的最大电致发光峰和包含在其中的主体的最大光致发光峰满足以下等式1至3：其中，RED EL»max是红色，绿色和蓝色发射层的最大电致发光峰 发射层，并且RH PL»max是包括在红色发射层中的红色主体的最大光致发光峰，其中GREEN EL»max是绿色发射层的最大电致发光峰，并且GH PL»max是最大光致发光峰 包括在绿色发射层中的绿色主体，并且其中BLUE EL»max是蓝色发射层的最大电致发光峰，并且BH PL»max是最大值p 包含在蓝色发射层中的蓝色主体的发光峰。

公开(公告)号：US20140151658A1

公开(公告)日：2014-06-05

申请号：US14087476

申请日：2013-11-22

Applicant: LG Display Co., Ltd.

Inventor： Se-Hee Lee ,  Sun-Kap Kwon

IPC: H01L27/32

CPC classification number: H01L51/5012 ,  H01L27/3211 ,  H01L51/5265

Abstract: An organic light emitting display includes a red light emitting layer, a green light emitting layer and a blue light emitting layer formed between first and second electrodes, a hole-transporting layer formed between the first electrode and each of the red, the green and the blue light emitting layers, and an electron-transporting layer formed between the second electrode and each of the red, the green and the blue light emitting layers, wherein at least one light emitting layer of the red, the green and the blue light emitting layers includes a first light emitting layer including a light emitting host and a light emitting dopant, and a second light emitting layer which is formed between the first light emitting layer and at least one of the electron-transporting layer and the hole-transporting layer, and includes the light emitting dopant.

Abstract translation: 有机发光显示器包括形成在第一和第二电极之间的红色发光层，绿色发光层和蓝色发光层，形成在第一电极和红色，绿色和绿色之间的空穴传输层 蓝色发光层和形成在第二电极和红色，绿色和蓝色发光层中的每一个之间的电子传输层，其中红色，绿色和蓝色发光层的至少一个发光层 包括包含发光主体和发光掺杂剂的第一发光层和形成在第一发光层与电子传输层和空穴传输层中的至少一个之间的第二发光层，以及 包括发光掺杂剂。