公开(公告)号：US09496511B2

公开(公告)日：2016-11-15

申请号：US14856823

申请日：2015-09-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Chang-Wook Han

IPC: H01L29/08 ,  H01L51/10 ,  H01L51/05 ,  G02F1/1368

CPC classification number: H01L51/107 ,  G02F1/1368 ,  H01L51/0541 ,  H01L51/055

Abstract: A substrate having a thin film transistor includes a buffer layer on a substrate, source and drain electrodes on the buffer layer, a portion of the buffer layer exposed between the source and drain electrodes, a small organic semiconductor layer on the source electrode and the drain electrode, the organic semiconductor layer contacting the exposed portion of the buffer layer, a gate insulating layer on the organic semiconductor layer, the gate insulating layer having substantially the same size as the organic semiconductor layer, a gate electrode on the gate insulating layer, a passivation layer over the surface of the substrate including the gate electrode; and a pixel electrode on the passivation layer, the pixel electrode electrically connected to the drain electrode.

公开(公告)号：US09444066B2

公开(公告)日：2016-09-13

申请号：US14558430

申请日：2014-12-02

Applicant: LG DISPLAY CO., LTD.

Inventor： So-Yeon Ahn ,  Chang-Wook Han ,  Hong-Seok Choi ,  Seung-Ryong Joung ,  Gwi-Jeong Cho ,  Hee-Dong Choi

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

CPC classification number: H01L51/5044 ,  H01L27/3209 ,  H01L27/3244 ,  H01L51/5278 ,  H01L2251/558

Abstract: An organic electroluminescent device and organic electroluminescent display device having enhanced efficiency are discussed. In one example, the organic electroluminescent device includes first and second electrodes facing each other on a substrate and at least two emission layers formed between the first and second electrodes and realizing blue light, wherein, among the emission layers, a first blue emission layer close to the first electrode includes a first blue dopant having a different maximum luminescence wavelength than that of a second blue dopant of a second blue emission layer close to the second electrode.

Abstract translation: 讨论了提高效率的有机电致发光器件和有机电致发光显示器件。 在一个示例中，有机电致发光器件包括在衬底上彼此面对的第一和第二电极以及形成在第一和第二电极之间并实现蓝色光的至少两个发射层，其中在发射层中，第一蓝色发射层闭合 第一电极包括具有与靠近第二电极的第二蓝色发射层的第二蓝色掺杂剂不同的最大发光波长的第一蓝色掺杂剂。

公开(公告)号：US09178169B2

公开(公告)日：2015-11-03

申请号：US14218126

申请日：2014-03-18

Applicant: LG DISPLAY CO., LTD.

Inventor： Chang-Wook Han

IPC: H01L29/08 ,  H01L51/05 ,  H01L51/10 ,  G02F1/1368

CPC classification number: H01L51/107 ,  G02F1/1368 ,  H01L51/0541 ,  H01L51/055

Abstract: A substrate having a thin film transistor includes a buffer layer on a substrate, source and drain electrodes on the buffer layer, a portion of the buffer layer exposed between the source and drain electrodes, a small organic semiconductor layer on the source electrode and the drain electrode, the organic semiconductor layer contacting the exposed portion of the buffer layer, a gate insulating layer on the organic semiconductor layer, the gate insulating layer having substantially the same size as the organic semiconductor layer, a gate electrode on the gate insulating layer, a passivation layer over the surface of the substrate including the gate electrode; and a pixel electrode on the passivation layer, the pixel electrode electrically connected to the drain electrode.

Abstract translation: 具有薄膜晶体管的衬底包括衬底上的缓冲层，缓冲层上的源电极和漏电极，在源极和漏极之间暴露的缓冲层的一部分，源极和漏极上的小的有机半导体层 电极，与缓冲层的露出部分接触的有机半导体层，有机半导体层上的栅极绝缘层，栅极绝缘层具有与有机半导体层基本相同的尺寸，栅极绝缘层上的栅电极， 在包括栅电极的衬底的表面上的钝化层; 以及钝化层上的像素电极，所述像素电极电连接到所述漏电极。

公开(公告)号：US09431614B2

公开(公告)日：2016-08-30

申请号：US13683471

申请日：2012-11-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Jeong-Dae Seo ,  Chang-Wook Han ,  Yoon-Heung Tak ,  Hyo-Seok Kim ,  Eun-Ju Jeon ,  Hye-Seung Kang

IPC: H01L51/54 ,  H01L51/00 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L51/0054 ,  H01L51/006 ,  H01L51/0067 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5048 ,  H01L51/5278

Abstract: Discussed is an organic light emitting device that exhibits improved efficiency and driving voltage by applying a novel material facilitating charge generation to a charge generation layer. The charge generation layer contains a compound represented by the following formulae: wherein R1, R2, R3, R4, R5, R6, R7 and R8 are optionally substituted and are independently selected from an aromatic group having 6 to 20 carbon atoms, and R9 and R10 are independently selected from hydrogen, an optionally substituted aromatic ring having 6 to 20 carbon atoms and an optionally substituted heterocyclic compound having 3 to 17 carbon atoms and one or more elements of N, S and P.

Abstract translation: 讨论了通过应用促进电荷产生层的电荷产生的新型材料，显示出提高的效率和驱动电压的有机发光器件。 电荷产生层含有由下式表示的化合物：其中R1，R2，R3，R4，R5，R6，R7和R8任选被取代，并且独立地选自具有6至20个碳原子的芳族基团，R 9和 R 10独立地选自氢，任选取代的具有6至20个碳原子的芳环和具有3至17个碳原子的任选取代的杂环化合物和N，S和P的一种或多种元素。

公开(公告)号：US20140183475A1

公开(公告)日：2014-07-03

申请号：US14097675

申请日：2013-12-05

Applicant: LG DISPLAY CO., LTD.

Inventor： Ki-Woog Song ,  Chang-Wook Han ,  Hong-Seok Choi ,  Sung-Hoon Pieh ,  Jeong-Dae Seo ,  Seok-Joon Oh ,  Youn-Seok Kam

IPC: H01L51/50

CPC classification number: H01L51/5044 ,  H01L27/3213 ,  H01L51/5004 ,  H01L51/5278 ,  H01L2251/552

Abstract: An organic light emitting display device includes a first electrode and a second electrode disposed on a substrate opposite to each other, a first stack including a hole injection layer, a first hole transport layer, a first light emitting layer, and a first electron transport layer sequentially stacked on the first electrode, a second stack including a second hole transport layer, a second light emitting layer, and a second electron transport layer sequentially stacked between the first stack and the second electrode, and a charge generation layer disposed between the first stack and the second stack and including an N-type charge generation layer and a P-type charge generation layer to control charge balance between the first and second stacks. The P-type charge generation layer is doped with 1% to 20% of a hole transport material based on a volume of the P-type charge generation layer.

Abstract translation: 有机发光显示装置包括第一电极和设置在彼此相对的基板上的第二电极，第一堆叠包括空穴注入层，第一空穴传输层，第一发光层和第一电子传输层 依次堆叠在第一电极上，第二堆叠包括依次堆叠在第一堆叠和第二电极之间的第二空穴传输层，第二发光层和第二电子传输层，以及电荷产生层，设置在第一堆叠 和第二堆叠，并且包括N型电荷产生层和P型电荷产生层，以控制第一和第二堆叠之间的电荷平衡。 基于P型电荷产生层的体积，P型电荷产生层掺杂1％至20％的空穴传输材料。

公开(公告)号：US20130264551A1

公开(公告)日：2013-10-10

申请号：US13857279

申请日：2013-04-05

Applicant: LG DISPLAY CO., LTD.

Inventor： Sung-Hoon Pieh ,  Chang-Wook Han ,  Hong-Seok Choi ,  Ki-Woog Song ,  Hyung-June Kim

IPC: H01L51/50

CPC classification number: H01L51/5056 ,  H01L27/3209 ,  H01L51/5278 ,  H01L2251/5376 ,  H01L2251/552 ,  Y02T90/168 ,  Y04S30/12

Abstract: A tandem white organic light emitting device having high efficiency and long lifespan by adjusting characteristics of a hole transport layer adjacent to a charge generation layer consisting of p-type and n-type charge generation layer is disclosed, the p-type charge generation layer is formed of organic materials only, and at least one organic material contained in the p-type charge generation layer has a LUMO level of −6.0 eV to −4.5 eV.

Abstract translation: 公开了一种通过调节与由p型和n型电荷产生层组成的电荷产生层相邻的空穴传输层的特性而具有高效率和长寿命的串联白色有机发光器件，p型电荷产生层是 仅由有机材料形成，并且包含在p型电荷产生层中的至少一种有机材料具有-6.0eV至-4.5eV的LUMO能级。

公开(公告)号：US20180233699A1

公开(公告)日：2018-08-16

申请号：US15951435

申请日：2018-04-12

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Dae Seo ,  Chang-Wook Han ,  Yoon-Heung Tak ,  Hyo-Seok Kim

IPC: H01L51/52 ,  H01L51/00

CPC classification number: H01L51/5253 ,  H01L27/3244 ,  H01L51/0058 ,  H01L51/006

Abstract: An organic light emitting display panel includes a light emitting diode array substrate and an encapsulation substrate adhered to the light emitting array diode substrate by an adhesive film. The light emitting array diode substrate includes a driving thin film transistor formed on a substrate, an organic light emitting diode including a first electrode connected to the driving thin film transistor, an organic emission layer formed on the first electrode, and a second electrode formed on the organic emission layer, and first and second passivation layers formed on the second electrode. In this regard, the first passivation layer is formed of an organic compound having at least one of the structural formulae described in Formula 1 below: wherein R1, R2, R3, R4, R5, and R6 are each independently selected from substituted or unsubstituted C6-C40 aromatic groups.

公开(公告)号：US09972805B2

公开(公告)日：2018-05-15

申请号：US13872689

申请日：2013-04-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Jeong-Dae Seo ,  Chang-Wook Han ,  Yoon-Heung Tak ,  Hyo-Seok Kim

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

CPC classification number: H01L51/5253 ,  H01L27/3244 ,  H01L51/0058 ,  H01L51/006

Abstract: An organic light emitting display panel includes a light emitting diode array substrate and an encapsulation substrate adhered to the light emitting array diode substrate by an adhesive film. The light emitting array diode substrate includes a driving thin film transistor formed on a substrate, an organic light emitting diode including a first electrode connected to the driving thin film transistor, an organic emission layer formed on the first electrode, and a second electrode formed on the organic emission layer, and first and second passivation layers formed on the second electrode. In this regard, the first passivation layer is formed of an organic compound having at least one of the structural formulae described in Formula 1 below: wherein R1, R2, R3, R4, R5, and R6 are each independently selected from substituted or unsubstituted C6-C40 aromatic groups.

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：US08912534B2

公开(公告)日：2014-12-16

申请号：US13857279

申请日：2013-04-05

Applicant: LG Display Co., Ltd.

Inventor： Sung-Hoon Pieh ,  Chang-Wook Han ,  Hong-Seok Choi ,  Ki-Woog Song ,  Hyung-June Kim

IPC: H01L35/24 ,  H01L51/00 ,  H01L51/50

CPC classification number: H01L51/5056 ,  H01L27/3209 ,  H01L51/5278 ,  H01L2251/5376 ,  H01L2251/552 ,  Y02T90/168 ,  Y04S30/12

Abstract: A tandem white organic light emitting device having high efficiency and long lifespan by adjusting characteristics of a hole transport layer adjacent to a charge generation layer consisting of p-type and n-type charge generation layer is disclosed, the p-type charge generation layer is formed of organic materials only, and at least one organic material contained in the p-type charge generation layer has a LUMO level of −6.0 eV to −4.5 eV.

Abstract translation: 公开了一种通过调节与由p型和n型电荷产生层组成的电荷产生层相邻的空穴传输层的特性而具有高效率和长寿命的串联白色有机发光器件，p型电荷产生层是 仅由有机材料形成，并且包含在p型电荷产生层中的至少一种有机材料具有-6.0eV至-4.5eV的LUMO能级。