公开(公告)号：US20220199683A1

公开(公告)日：2022-06-23

申请号：US17688831

申请日：2022-03-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yu Jin LEE ,  Kyung Bae KIM ,  Ji Hye LEE ,  Chong Chul CHAI

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/62

Abstract: A display device is provided. The display device includes a first electrode including a first electrode surface extending in a first direction and a second electrode surface connected to one end of the first electrode surface and extending in a second direction that is different from the first direction, a second electrode including a third electrode surface extending in the first direction and spaced apart from the first electrode surface and facing the first electrode surface, and a fourth electrode surface extending in the second direction and spaced apart from the second electrode surface and facing the second electrode surface, and at least one light emitting element between the first electrode and the second electrode and including a first light emitting element between the first electrode surface and the third electrode surface and a second light emitting element between the second electrode surface and the fourth electrode surface.

公开(公告)号：US20220157917A1

公开(公告)日：2022-05-19

申请号：US17519417

申请日：2021-11-04

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Ji Hye LEE

IPC: H01L27/32

Abstract: A display device includes a base layer including a display area and a non-display area; pixels in the display area, each of the pixels including a first electrode and a second electrode in a light emitting area and light emitting elements arranged therebetween; a bank in the display area and surrounding the light emitting area of each of the pixels; a first power line in the display area, a portion of the first power line overlapping the light emitting area of at least one pixel of the pixels; a second power line in the display area and covered by the bank; a first line in the non-display area and connected to the first power line; a second line in the non-display area and connected to the second power line; and a third line in the non-display area and separated from the pixels and the first and second power lines.

公开(公告)号：US20180375048A1

公开(公告)日：2018-12-27

申请号：US15864671

申请日：2018-01-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan KIM ,  Won Jong KIM ,  Ji Young MOON ,  Yeong Rong PARK ,  Dong Kyu SEO ,  Myung Chul YEO ,  Ji Hye LEE ,  Yoon Hyeung CHO

IPC: H01L51/50 ,  H01L51/00 ,  H01L51/52 ,  C09K11/06

Abstract: A light-emitting diode includes a first electrode, a second electrode, a light-emitting layer, and a hole transfer layer. The light-emitting layer is disposed between the first electrode and the second electrode. The hole transfer layer is disposed between the light-emitting layer and the second electrode. The hole transfer layer includes an organic material. At least one of tellurium or a telluride compound of a transition metal is doped in the organic material included in the hole transfer layer.

公开(公告)号：US20180123071A1

公开(公告)日：2018-05-03

申请号：US15677137

申请日：2017-08-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan KIM ,  Dong Hoon KIM ,  Won Jong KIM ,  Ji Young MOON ,  Dong Kyu SEO ,  Ji Hye LEE ,  Da Hea IM ,  Sang Hoon YIM ,  Yoon Hyeung CHO ,  Won Suk HAN

IPC: H01L51/50 ,  H01L27/32

CPC classification number: H01L51/5092 ,  H01L27/3246 ,  H01L51/504 ,  H01L51/5072 ,  H01L51/5265

Abstract: A light emitting diode and a light emitting diode display, the light emitting diode including a first electrode; a second electrode overlapping the first electrode; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, wherein the electron injection layer includes a lanthanide element, an alkali meta first element, and a halogen second element, and wherein the first element and the second element are included in the electron injection layer in an amount of 1 vol % to 20 vol %, based on a total volume of a material including the lanthanide element, the first element, and the second element.

公开(公告)号：US20160351845A1

公开(公告)日：2016-12-01

申请号：US15013710

申请日：2016-02-02

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Chan KIM ,  Won Jong KIM ,  Won Suk HAN ,  Eung Do KIM ,  Dong Kyu SEO ,  Ji Hye LEE ,  Sang Hoon YIM

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

CPC classification number: H01L51/5212 ,  H01L27/3248 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5228 ,  H01L2251/301 ,  H01L2251/558

Abstract: An organic light emitting diode (OLED) display includes: a thin film transistor on the substrate; a first electrode electrically connected to the thin film transistor; a hole injection layer on the first electrode; an emission layer on the hole injection layer; an electron injection layer on the emission layer; a first intermediate layer on the electron injection layer; and a second electrode on the first intermediate layer.

Abstract translation: 有机发光二极管（OLED）显示器包括：衬底上的薄膜晶体管; 电连接到薄膜晶体管的第一电极; 在第一电极上的空穴注入层; 空穴注入层上的发光层; 发射层上的电子注入层; 电子注入层上的第一中间层; 和第一中间层上的第二电极。

公开(公告)号：US20160181341A1

公开(公告)日：2016-06-23

申请号：US14848786

申请日：2015-09-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hye LEE ,  Yong-Koo HUR

IPC: H01L27/32

CPC classification number: H01L27/3262 ,  H01L27/1222 ,  H01L27/124 ,  H01L27/1255 ,  H01L27/3216 ,  H01L27/3265 ,  H01L27/3276

Abstract: An organic light emitting diode display includes a scan line, a data line, and a driving voltage line connected to a pixel. The pixel includes a switching transistor connected to the scan line and the data line, a driving transistor connected to the switching transistor, and a compensation transistor to compensate a threshold voltage of the driving transistor. The pixel also includes a first data connector to connect the compensation transistor to the driving transistor, a first storage electrode corresponding to the driving gate electrode and connected to the driving voltage line, and a second storage electrode overlapping a first storage electrode. An extended portion of the second storage electrode is in an overlapped portion between the first data connector and the scan line.

Abstract translation: 有机发光二极管显示器包括扫描线，数据线和连接到像素的驱动电压线。 像素包括连接到扫描线和数据线的开关晶体管，连接到开关晶体管的驱动晶体管和补偿晶体管，以补偿驱动晶体管的阈值电压。 像素还包括将补偿晶体管连接到驱动晶体管的第一数据连接器，与驱动栅电极对应并连接到驱动电压线的第一存储电极，以及与第一存储电极重叠的第二存储电极。 第二存储电极的延伸部分处于第一数据连接器和扫描线之间的重叠部分。

公开(公告)号：US20250048885A1

公开(公告)日：2025-02-06

申请号：US18740507

申请日：2024-06-12

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Do Yeong PARK ,  Yong Hee LEE ,  Ji Hye LEE

IPC: H10K59/80 ,  G02B27/01 ,  H10K59/122 ,  H10K59/131 ,  H10K59/38 ,  H10K71/60

Abstract: The present disclosure relates to a display device, and more particularly, to a display device capable of making resonance distances different from each other according to a wavelength of light to be emitted from each pixel while simplifying process steps, a manufacturing method of the display device, and an optical device including the display device. A display device comprises: a substrate; a bank disposed on the substrate and defining a plurality of emission areas; a plurality of pixel electrodes disposed in the plurality of emission areas; and at least one stepped electrode disposed between a pixel electrode of at least one emission area and the substrate. In the respective emission areas, the numbers of stepped electrodes between the respective pixel electrodes and the substrate are different from each other.

公开(公告)号：US20250031535A1

公开(公告)日：2025-01-23

申请号：US18441742

申请日：2024-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Jin Seon KWAK ,  Yong Hee LEE ,  Ji Hye LEE

IPC: H10K59/131 ,  H10K59/122 ,  H10K59/80

Abstract: A display device includes a driving element layer on a substrate, a wiring layer on the driving element layer and including a power supply wiring, and a light emitting element layer disposed on the wiring layer. The light emitting element layer includes a pixel defining layer defining openings for pixels, a first electrode in each opening, a heating wiring on the pixel defining layer around each opening, a connection electrode connecting the heating wiring and the power supply wiring through a contact hole extending through the wiring layer and the pixel defining layer, an intermediate layer covering the first electrode in the pixels and the pixel defining layer between the pixels, and including a disconnected portion on the pixel defining layer adjacent to the heating wiring, and a second electrode continuously disposed on the intermediate layer in the openings for the pixels and between the pixels.

公开(公告)号：US20240379049A1

公开(公告)日：2024-11-14

申请号：US18629851

申请日：2024-04-08

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Yong Hee LEE

IPC: G09G3/32

Abstract: A display device includes a base layer, a pixel circuit layer on the base layer, the pixel circuit layer including a pixel circuit, and a light emitting layer on the pixel circuit layer, the light emitting layer including a light emitting element electrically connected to the pixel circuit, wherein the pixel circuit layer includes: a lower transistor on the base layer, the lower transistor including a silicon semiconductor, an upper transistor on the lower transistor, the upper transistor including an oxide semiconductor, and an intermediate conductive layer between the lower transistor and the upper transistor, and wherein the intermediate conductive layer includes a data line and a first power line, each of which is electrically connected to the pixel circuit.

公开(公告)号：US20230275196A1

公开(公告)日：2023-08-31

申请号：US17968353

申请日：2022-10-18

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Yong Hee LEE

IPC: H01L33/50 ,  H01L27/15 ,  G02B5/20

CPC classification number: H01L33/505 ,  H01L27/156 ,  G02B5/201

Abstract: A display device includes a substrate including a display area and a non-display area surrounding the display area, a plurality of sub-pixels including a first sub-pixel and a second sub-pixel, an upper bank layer surrounding the sub-pixels and the display area, a plurality of color control members including a first wavelength conversion layer in the first sub-pixel and a second wavelength conversion layer in the second sub-pixel, a plurality of color filter layers including a first color filter layer on the first wavelength conversion layer, and a second color filter layer on the second wavelength conversion layer, and a third color filter layer, a dam member surrounding the display area in the non-display area, and a valley between the dam member and the upper bank layer and surrounding the display area. The third color filter layer is on the first color filter layer in the non-display area.