公开(公告)号：US10971558B2

公开(公告)日：2021-04-06

申请号：US16536209

申请日：2019-08-08

Applicant: LG Display Co., Ltd

Inventor： Ji-Hyang Jang ,  Won-Hoe Koo ,  Tae-Shick Kim

IPC: H01L51/52 ,  H01L27/32

Abstract: Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between the bottom surface portion and the top surface portion. The organic light emitting diode further includes a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The side surface portion is a main emission region having a first emission spectrum and the concave portion is an auxiliary emission region having a second emission spectrum different from the first emission spectrum. The main emission region and the auxiliary emission region are an effective emission region.

公开(公告)号：US10811469B2

公开(公告)日：2020-10-20

申请号：US16539694

申请日：2019-08-13

Applicant: LG Display Co., Ltd

Inventor： Kang-Ju Lee ,  Seung-Ryong Joung ,  Seong-Su Jeon ,  Tae-Shick Kim

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

Abstract: An organic light emitting diode display device includes: an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode and including a first emitting material layer; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.

公开(公告)号：US20150155513A1

公开(公告)日：2015-06-04

申请号：US14557720

申请日：2014-12-02

Applicant: LG DISPLAY CO., LTD.

Inventor： Sung-Hoon Pieh ,  Chang-Wook Han ,  Seok-Joon Oh ,  Ki-Woog Song ,  Tae-Shick Kim ,  Hee-Dong Choi ,  Seung-Hyun Kim ,  Seong-Su Jeon ,  Chi-Yul Song

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

CPC classification number: H01L27/3209 ,  H01L51/0055 ,  H01L51/5278 ,  H01L2251/5376

Abstract: An organic light emitting device containing a multilayer stack structure including n stacks between an anode and a cathode is described, wherein the respective stacks comprise a hole transport layer, a light emitting layer and an electron transport layer, an n-type charge generation layer and a p-type charge generation layer respectively provided between the different adjacent stacks, wherein the p-type charge generation layer comprises an indenofluorenedione derivative represented by Formula 1 or an imine derivative represented by Formula 2 or 3.

Abstract translation: 描述了包含在阳极和阴极之间包括n个叠层的多层堆叠结构的有机发光器件，其中各个堆叠包括空穴传输层，发光层和电子传输层，n型电荷产生层和 分别设置在不同的相邻叠层之间的p型电荷产生层，其中p型电荷产生层包含由式1表示的茚并芴二酮衍生物或由式2或3表示的亚胺衍生物。

公开(公告)号：US20140183499A1

公开(公告)日：2014-07-03

申请号：US14139314

申请日：2013-12-23

Applicant: LG Display Co., Ltd.

Inventor： Seung-Hyun Kim ,  Byung-Chul Ahn ,  Chang-Wook Han ,  Hee-Suk Pang ,  Hong-Seok Choi ,  Yoon-Heung Tak ,  Mi-Young Han ,  Tae-Shick Kim

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3213 ,  H01L27/322 ,  H01L51/504 ,  H01L51/56

Abstract: An organic light emitting display device with enhanced luminous efficiency and color viewing angle and a method of manufacturing the same are disclosed. The method includes forming a first electrode of each of red, green, blue and white sub-pixels on a substrate, forming a white organic common layer on the first electrodes, and forming a second electrode on the white organic common layer, wherein the first electrodes each includes multiple transparent conductive layers and is formed such that a thickness of the first electrode of each of two sub-pixels among the red, green, blue and white sub-pixels is greater than a thickness of the first electrode of each of the other two sub-pixels, and at least two layers excluding the lowermost layer among the multiple transparent conductive layers of each first electrode are formed to cover opposite sides of the lowermost layer.

Abstract translation: 公开了一种具有增强的发光效率和彩色视角的有机发光显示装置及其制造方法。 该方法包括在基板上形成红色，绿色，蓝色和白色子像素中的每一个的第一电极，在第一电极上形成白色有机共同层，并在白色有机共同层上形成第二电极，其中第一 电极各自包括多个透明导电层，并且形成为使得红色，绿色，蓝色和白色子像素中的两个子像素中的每一个的第一电极的厚度大于第一电极的厚度 其他两个子像素，并且在每个第一电极的多个透明导电层中除了最下层之外的至少两个层被形成为覆盖最下层的相对侧。

公开(公告)号：US11950439B2

公开(公告)日：2024-04-02

申请号：US17959225

申请日：2022-10-03

Applicant: LG Display Co., Ltd.

Inventor： Eun-Jung Park ,  Jung-Keun Kim ,  Wook Song ,  Tae-Shick Kim

IPC: H10K50/13 ,  H10K50/11 ,  H10K50/15 ,  H10K50/19 ,  H10K59/12 ,  H10K59/38 ,  H10K85/30 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K50/131 ,  H10K50/11 ,  H10K50/15 ,  H10K50/19 ,  H10K59/38 ,  H10K59/12 ,  H10K85/342 ,  H10K2101/10 ,  H10K2101/27 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2101/90

Abstract: Disclosed herein are a white organic light-emitting device. The white organic light-emitting device enables an overall improvement in characteristics such as color temperature, efficiency, luminance, and service life, by changing the configuration of different types of emission layers in contact with each other, and a display device using the same.

公开(公告)号：US11257871B2

公开(公告)日：2022-02-22

申请号：US17025470

申请日：2020-09-18

Applicant: LG Display Co., Ltd

Inventor： Kang-Ju Lee ,  Seung-Ryong Joung ,  Seong-Su Jeon ,  Tae-Shick Kim

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

Abstract: An organic light emitting diode display device includes an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.

公开(公告)号：US10431776B2

公开(公告)日：2019-10-01

申请号：US14473889

申请日：2014-08-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Ki-Woog Song ,  Sung-Hoon Pieh ,  Seung-Ryong Joung ,  Tae-Il Kum ,  So-Yeon Ahn ,  Tae-Shick Kim

IPC: H01L51/52

Abstract: A white organic light emitting diode (OLED) includes a first electrode and a second electrode facing each other; a first charge generation layer and a second charge generation layer between the first and second electrodes; a first light emitting unit including a first emitting material layer emitting a first color, wherein the first light emitting unit is located between the first electrode and the first charge generation layer; a second light emitting unit including a second emitting material layer emitting a second color, wherein the second light emitting unit is located between the first charge generation layer and the second charge generation layer; and a third light emitting unit including a third emitting material layer emitting the second color, wherein the third light emitting unit is located between the second charge generation layer and the second electrode.

公开(公告)号：US08946722B2

公开(公告)日：2015-02-03

申请号：US14139314

申请日：2013-12-23

Applicant: LG Display Co., Ltd.

Inventor： Seung-Hyun Kim ,  Byung-Chul Ahn ,  Chang-Wook Han ,  Hee-Suk Pang ,  Hong-Seok Choi ,  Yoon-Heung Tak ,  Mi-Young Han ,  Tae-Shick Kim

IPC: H01L27/14 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3213 ,  H01L27/322 ,  H01L51/504 ,  H01L51/56

Abstract: An organic light emitting display device with enhanced luminous efficiency and color viewing angle and a method of manufacturing the same are disclosed. The method includes forming a first electrode of each of red, green, blue and white sub-pixels on a substrate, forming a white organic common layer on the first electrodes, and forming a second electrode on the white organic common layer, wherein the first electrodes each includes multiple transparent conductive layers and is formed such that a thickness of the first electrode of each of two sub-pixels among the red, green, blue and white sub-pixels is greater than a thickness of the first electrode of each of the other two sub-pixels, and at least two layers excluding the lowermost layer among the multiple transparent conductive layers of each first electrode are formed to cover opposite sides of the lowermost layer.

Abstract translation: 公开了一种具有增强的发光效率和彩色视角的有机发光显示装置及其制造方法。 该方法包括在基板上形成红色，绿色，蓝色和白色子像素中的每一个的第一电极，在第一电极上形成白色有机共同层，并在白色有机共同层上形成第二电极，其中第一 电极各自包括多个透明导电层，并且形成为使得红色，绿色，蓝色和白色子像素中的两个子像素中的每一个的第一电极的厚度大于第一电极的厚度 其他两个子像素，并且在每个第一电极的多个透明导电层中除了最下层之外的至少两个层被形成为覆盖最下层的相对侧。

公开(公告)号：US11678552B2

公开(公告)日：2023-06-13

申请号：US17196859

申请日：2021-03-09

Applicant: LG Display Co., Ltd

Inventor： Ji-Hyang Jang ,  Won-Hoe Koo ,  Tae-Shick Kim

IPC: H01L51/52

CPC classification number: H10K59/38 ,  H10K50/844 ,  H10K59/122

Abstract: Various embodiments provide an organic light emitting diode display device that includes a substrate having an emitting area and a non-emitting area; an overcoating layer on the substrate and including a convex portion and a concave portion. The convex portion includes a bottom surface portion, a top surface portion and a side surface portion between the bottom surface portion and the top surface portion. The organic light emitting diode further includes a first electrode on the overcoating layer; a light emitting layer on the first electrode; and a second electrode on the light emitting layer. The side surface portion is a main emission region having a first emission spectrum and the concave portion is an auxiliary emission region having a second emission spectrum different from the first emission spectrum. The main emission region and the auxiliary emission region are an effective emission region.

公开(公告)号：US11495765B2

公开(公告)日：2022-11-08

申请号：US17104440

申请日：2020-11-25

Applicant: LG Display Co., Ltd.

Inventor： Eun-Jung Park ,  Jung-Keun Kim ,  Wook Song ,  Tae-Shick Kim

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

Abstract: Disclosed herein are a white organic light-emitting device. The white organic light-emitting device enables an overall improvement in characteristics such as color temperature, efficiency, luminance, and service life, by changing the configuration of different types of emission layers in contact with each other, and a display device using the same.