公开(公告)号：US10790337B2

公开(公告)日：2020-09-29

申请号：US16288002

申请日：2019-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Seong Jeong ,  Won Ju Kwon ,  Dal Ho Kim ,  Gi-Na Yoo ,  Dong Jin Lee

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

Abstract: An OLED display including first, second, and third color pixels each including a first electrode, an organic emission layer, a second electrode, and a capping layer disposed on the disposed on the substrate, in which the first color pixel is configured to emit green light, and the second and third color pixels are each configured to emit a color of light other than green, the organic emission layer of the first color pixel includes a first emission layer and a second emission layer each being configured to emit light, the organic emission layer of the second color pixel or in the third color pixel includes a third emission layer configured to emit light, the second emission layer and the third emission layer include both a host and a dopant, and the first emission layer includes the host, and does not include any dopants therein.

公开(公告)号：US11678555B2

公开(公告)日：2023-06-13

申请号：US16888080

申请日：2020-05-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Koo Chung ,  Seong-Min Kim ,  Beohm Rock Choi ,  Young Seo Park ,  Gi-Na Yoo

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3223 ,  H01L27/3262 ,  H01L51/5218 ,  H01L51/5234

Abstract: A display device includes: a first display area including a first pixel area; a second display area including a second pixel area and a transmissive area adjacent to the second pixel area; a first pixel in the first pixel area; a second pixel in the second pixel area; and a dummy pixel in the transmissive area, wherein the dummy pixel includes a light emission portion emitting light on both sides.

公开(公告)号：US11599228B2

公开(公告)日：2023-03-07

申请号：US17249720

申请日：2021-03-10

Applicant: Samsung Display Co., Ltd.

Inventor： Seongjun Lee ,  Suin Kim ,  Jaseung Ku ,  Suyul Seo ,  Gi-Na Yoo ,  Dong-Hwan Lee ,  Jaeik Lim

IPC: G06F3/044 ,  G06F3/041 ,  H01L27/32 ,  H01L51/52

Abstract: An electronic device includes: a display layer; and a sensor layer on the display layer, the sensor layer including: a first sensing electrode having a first sub-sensing electrode and a second sub-sensing electrode electrically separated from the first sub-sensing electrode; and a second sensing electrode intersecting the first sensing electrode, wherein the sensor layer is configured to sense an external input through a change in mutual capacitance between the first sensing electrode and the second sensing electrode, and the sensor layer is further configured to sense an input by an active pen through a change in capacitance of each of the first sub-sensing electrode, the second sub-sensing electrode, and the second sensing electrode.

公开(公告)号：US11567619B2

公开(公告)日：2023-01-31

申请号：US17228437

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Suyul Seo ,  Jaseung Ku ,  Suin Kim ,  Jongin Baek ,  Gi-Na Yoo ,  Jaeik Lim

IPC: G06F3/044 ,  G06F3/041

Abstract: An electronic device, includes: a sensor layer detecting a touch input and an input-device input; and a sensor control circuit providing the sensor layer with a signal and receiving a detection signal from the sensor layer, wherein the sensor layer includes: a first electrode extending along a first direction; a second electrode extending along the first direction; a first cross electrode extending along a second direction intersecting the first direction; and a second cross electrode extending along the second direction, wherein the sensor control circuit detects the touch input based on a variation in mutual capacitance between the first electrode and the first cross electrode, and the sensor control circuit detects the input-device input based on a variation in capacitance of at least one selected from the first electrode, the second electrode, the first cross electrode, and the second cross electrode.

公开(公告)号：US11380734B2

公开(公告)日：2022-07-05

申请号：US17033873

申请日：2020-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hee Seong Jeong ,  Won Ju Kwon ,  Dal Ho Kim ,  Gi-Na Yoo ,  Dong Jin Lee

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

Abstract: An OLED display including first, second, and third color pixels on a substrate, each including a first electrode, an organic emission layer, a second electrode, and a capping layer, in which the first color pixel emits green light, and each of the second and third color pixels emits a color of light other than green, the organic emission layer of the first color pixel includes first and second emission layers that emit light, the organic emission layer of the second or third color pixel includes a third emission layer that emit light, the second and third emission layers include both a host and a dopant, the first emission layer includes the host, but not any dopants therein, and the second emission layer is disposed on the first electrode, and the first emission layer is disposed on the second emission layer.