公开(公告)号：US20150060812A1

公开(公告)日：2015-03-05

申请号：US14465299

申请日：2014-08-21

Applicant: LG Display Co., Ltd.

Inventor： Shin-Han KIM ,  Hwa-Kyung KIM ,  Hong-Seok CHOI ,  Mi-Young HAN ,  Hye-Min OH ,  Tae-Shick KIM ,  Seung-Hyun KIM

IPC: H01L51/50

CPC classification number: H01L51/5044 ,  H01L27/3209

Abstract: Disclosed herein is a white organic light emitting device including various emission layers with improved luminous efficiency, an increased color viewing angle, and low power consumption. The white organic light emitting device includes at least two charge generation layers and at least three stacks between a first electrode and a second electrode. The first stack includes an emission layer having a wavelength range of about 440 to about 470 nm, the second stack includes an emission layer having a wavelength range of about 530 to about 570 nm, and the third stack includes an emission layer having a wavelength range of about 590 to about 620 nm and an emission layer having a wavelength range of about 440 to about 470 nm.

Abstract translation: 本文公开了一种白色有机发光器件，其包括具有改善的发光效率，增加的颜色视角和低功耗的各种发射层。 白色有机发光器件包括至少两个电荷产生层和在第一电极和第二电极之间的至少三个叠层。 第一堆叠包括具有约440至约470nm的波长范围的发射层，第二堆叠包括波长范围为约530至约570nm的发射层，并且第三堆叠包括具有波长范围的发射层 约590nm至约620nm的波长范围的发射层和约440至约470nm的波长范围的发射层。

公开(公告)号：US20150263077A1

公开(公告)日：2015-09-17

申请号：US14725677

申请日：2015-05-29

Applicant: LG Display Co., Ltd.

Inventor： Ji-Min KIM ,  Do-Hyung KIM ,  Hye-Min OH

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

CPC classification number: H01L27/3213 ,  F21V9/08 ,  H01L27/322 ,  H01L27/3248 ,  H01L27/3258 ,  H01L27/3262 ,  H01L51/5256 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/558

Abstract: An organic light emitting display panel with improved efficiency and lifespan and a method of manufacturing the same are disclosed. The organic light emitting display panel according to the present invention includes a substrate having red, green, blue, and white sub-pixel regions, red, green, and blue color filters respectively formed in the red, green, and blue sub-pixel regions, an overcoat layer that is formed in the red and green sub-pixel regions except for the blue and white sub-pixel regions or is formed in the sub-pixel regions such that a thickness of the overcoat layer in the red and green sub-pixel regions is greater than a thickness of the overcoat layer in the blue and white sub-pixel regions; and organic emitting cells respectively formed in the red, green, blue, and white sub-pixel regions.

Abstract translation: 公开了一种提高效率和寿命的有机发光显示面板及其制造方法。 根据本发明的有机发光显示面板包括具有分别形成在红色，绿色和蓝色子像素区域中的红，绿和蓝色子像素区域的红色，绿色和蓝色滤色器的基板， 形成在除了蓝色和白色子像素区域之外的红色和绿色子像素区域中的外涂层，或者形成在子像素区域中，使得红色和绿色子像素区域中的外涂层的厚度， 像素区域大于蓝色和白色子像素区域中的外涂层的厚度; 以及分别形成在红色，绿色，蓝色和白色子像素区域中的有机发光单元。