公开(公告)号：US20150372250A1

公开(公告)日：2015-12-24

申请号：US14710154

申请日：2015-05-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Taeil KUM ,  Gwijeong CHO ,  KiWoog SONG ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5044 ,  H01L51/002 ,  H01L51/504 ,  H01L51/5278 ,  H01L2251/558

Abstract: Provided is a white organic light emitting device which can improve abnormal light emission and efficiency and reliability of the device.A white organic light emitting device according to an exemplary embodiment of the present invention includes: a first light emitting unit including a first emitting layer between a first electrode and a second electrode; a second light emitting unit including a second emitting layer on the first light emitting unit; and a charge generation layer between the first light emitting unit and the second light emitting unit, and a volume of a metal in the charge generation layer is 1.0% or less of the total volume of the charge generation layer.

Abstract translation: 本发明提供一种白色有机发光装置，其能够提高装置的异常发光，效率和可靠性。 根据本发明的示例性实施例的白色有机发光器件包括：第一发光单元，包括在第一电极和第二电极之间的第一发光层; 第二发光单元，包括在第一发光单元上的第二发光层; 以及第一发光单元和第二发光单元之间的电荷产生层，电荷产生层中的金属体积为电荷产生层总体积的1.0％以下。

公开(公告)号：US20150060829A1

公开(公告)日：2015-03-05

申请号：US14475073

申请日：2014-09-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Jeonghaeng HEO ,  Taesun YOO ,  Taeshick KIM ,  Seung KIM

IPC: H01L27/32 ,  H01L51/50

CPC classification number: H01L51/5088 ,  H01L27/3211 ,  H01L27/322 ,  H01L51/5044 ,  H01L51/5092 ,  H01L2251/558

Abstract: An organic light emitting diode display has uniform light emission efficiency over the entire pixel area. The organic light emitting diode display comprises: a substrate having a red pixel area, a green pixel area, and a blue pixel area arrayed in a matrix; an anode electrode in the red, green, and blue pixel areas; a hole injection layer including an organic material with an extinction coefficient less than about 0.13 and on the anode electrode covering a whole surface of the substrate; an emission layer on the hole injection layer; an electron injection layer on a whole surface of the emission layer; and a cathode electrode on a whole surface of the electron injection layer.

Abstract translation: 有机发光二极管显示器在整个像素区域具有均匀的发光效率。 有机发光二极管显示器包括：具有红色像素区域，绿色像素区域和排列成矩阵的蓝色像素区域的衬底; 红色，绿色和蓝色像素区域中的阳极电极; 包括消光系数小于约0.13的有机材料的空穴注入层和覆盖基板的整个表面的阳极电极; 空穴注入层上的发光层; 在发射层的整个表面上的电子注入层; 以及在电子注入层的整个表面上的阴极电极。

公开(公告)号：US20150034923A1

公开(公告)日：2015-02-05

申请号：US14339168

申请日：2014-07-23

Applicant: LG Display Co., Ltd.

Inventor： Shinhan KIM ,  Byungchul AHN ,  Changwook HAN ,  Dohyung KIM ,  Hongseok CHOI ,  Sunghoon PIEH ,  Yoonheung TAK ,  Jeongdae SEO ,  Youngkwan JUNG ,  Gwijeong CHO ,  Younseok KAM ,  Taeshick KIM

IPC: H01L51/50

CPC classification number: H01L51/5004 ,  H01L27/3209 ,  H01L51/504 ,  H01L51/5044 ,  H01L51/5278 ,  H01L2251/5376

Abstract: Provided is a white organic light emitting diode device, including first and second electrodes facing each other above a substrate, first and second charge generation layers formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the first charge generation layer and including a first light emitting layer, a second stack disposed between the first charge generation layer and the second charge generation layer and including a second light emitting layer, and a third stack disposed between the second charge generation layer and the second electrode and including a third light emitting layer, wherein two of the first to third light emitting layers emit a blue light and the rest light emitting layer emits a yellow-green light.

Abstract translation: 提供了一种白色有机发光二极管装置，其包括在基板上面对的第一和第二电极，形成在第一电极和第二电极之间的第一和第二电荷产生层，设置在第一电极和第一电荷之间的第一堆叠 设置在第一电荷产生层和第二电荷产生层之间并包括第二发光层的第二叠层和设置在第二电荷产生层和第二电极之间的第三堆叠， 包括第三发光层，其中第一至第三发光层中的两个发射蓝色光，其余发光层发射黄绿色光。