公开(公告)号：US11974449B2

公开(公告)日：2024-04-30

申请号：US17374517

申请日：2021-07-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seokjae Lee ,  Yunjae Kim ,  Jungkyun Kim ,  Hyungu Kim ,  Bohun Park ,  Jin Woo Park ,  Jungjin Yang ,  Bum Suk Lee ,  Sunhye Lee ,  Jaejin Lee

IPC: H10K50/19 ,  H10K50/13 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/805 ,  H10K102/00

CPC classification number: H10K50/805 ,  H10K50/131 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/19 ,  H10K2102/351

Abstract: A light-emitting element may include a first electrode, a second electrode facing the first electrode, a first hole transport layer disposed above the first electrode, a first electron transport layer disposed between the first hole transport layer and the second electrode. A first light-emitting part and a second light-emitting part that emit different light may be disposed between the first hole transport layer and the first electron transport layer. The first light-emitting part may include a first blue emission layer, a second electron transport layer, a charge generation layer, and a second blue emission layer, and the first blue emission layer may be disposed above the first hole transport layer. At least one of the first electron transport layer and the second electron transport layer may be directly disposed above at least one of the first blue emission layer and the second blue emission layer.

公开(公告)号：US11844257B2

公开(公告)日：2023-12-12

申请号：US17347851

申请日：2021-06-15

Applicant: Samsung Display Co., LTD.

Inventor： Solji Kim ,  Jungjin Yang ,  Donghoon Kim ,  Jin Woo Park ,  Jinsook Bang ,  Seokjae Lee ,  Sunhye Lee ,  Sanghoon Yim

IPC: H10K59/35 ,  H10K50/19 ,  H10K50/852

CPC classification number: H10K59/35 ,  H10K50/19 ,  H10K50/852

Abstract: A display device includes a first pixel area including a first pixel electrode and a first organic light emitting layer, a tandem pixel area including a tandem pixel electrode, a first tandem organic light emitting layer and a second tandem organic light emitting layer, a capping layer including a first capping layer corresponding to the first organic light emitting layer and a tandem capping layer corresponding to both the first tandem organic light emitting layer and the second tandem organic light emitting layer, and a common electrode between the first capping layer and the first organic light emitting layer and between the tandem capping layer and the second tandem organic light emitting layer. Each of the first capping layer and the tandem capping layer has a thickness, and the thickness of the tandem capping layer is smaller than the thickness of the first capping layer.

公开(公告)号：US11778859B2

公开(公告)日：2023-10-03

申请号：US16684944

申请日：2019-11-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo Park ,  Won Kyu Kwak ,  Dong Wook Kim ,  Hyun-Chol Bang

IPC: G09G3/32 ,  H10K59/121 ,  G09G3/20 ,  G09G3/3225 ,  H10K59/38 ,  H10K59/126 ,  H10K59/131

CPC classification number: H10K59/1213 ,  G09G3/2003 ,  G09G3/3225 ,  H10K59/126 ,  H10K59/38 ,  G09G2360/145 ,  H10K59/131

Abstract: A display device including a display panel including a plurality of transistors and displaying an image on a front surface thereof; and a sensing module on a rear surface of the display panel, wherein the display panel includes a first region that overlaps the sensing module and a second region that does not overlap the sensing module, a W/L ratio of one of the transistors in the first region is greater than a W/L ratio of another of the transistors in the second region, the W/L ratio being obtained by dividing a width of a channel of the transistor by a length of the channel.

公开(公告)号：US20220359641A1

公开(公告)日：2022-11-10

申请号：US17813592

申请日：2022-07-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Wook Kim ,  Won Kyu Kwak ,  Jin Woo Park ,  Hyun-Chol Bang ,  Sun-Ja Kwon ,  Jeong Woo Park

IPC: H01L27/32

Abstract: An exemplary embodiment of the present invention provides a display device including a first display area having a plurality of first pixel regions and a second display area having both a plurality of second pixel regions and a plurality of light transmissive regions. The second display area includes a plurality of scan lines. The second pixel region includes a plurality of pixel electrodes and a voltage line disposed on a same layer as the pixel electrodes. The voltage line overlaps the scan line to be parallel therewith in the light transmissive region.

公开(公告)号：US10950177B2

公开(公告)日：2021-03-16

申请号：US16279746

申请日：2019-02-19

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Young In Hwang ,  Jin Woo Park ,  Yong Ho Yang

IPC: G09G3/3258 ,  G09G3/3266 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

Abstract: A display device may include a first pixel coupled to an emission control line, and an emission control stage for selectively coupling the emission control line to a first or second supply voltage line. The emission control stage may include: a first emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the emission control line, and a main gate electrode coupled to a first node; a second emission control transistor including a first electrode coupled to the emission control line, a second electrode coupled to the second supply voltage line, and a main gate electrode coupled to a second node; and a third emission control transistor including a first electrode coupled to the first supply voltage line, a second electrode coupled to the first node, a main gate electrode coupled to the second node, and a sub-gate electrode.

公开(公告)号：US10559631B2

公开(公告)日：2020-02-11

申请号：US16416044

申请日：2019-05-17

Applicant: Samsung Display Co., Ltd.

Inventor： Ung Soo Lee ,  Ho Youn Kim ,  Jin Woo Park ,  Hyun Chul Oh ,  Jun Young Lee ,  Hyun Soo Jung ,  Su Hyuk Choi

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/00 ,  G06F3/041 ,  G02F1/1333 ,  H01L51/52 ,  H01L51/56

Abstract: A display device includes a first substrate, a second substrate comprising a pixel portion configured to display an image, and a dummy portion spaced from the pixel portion, a side of the dummy portion being exposed to the outside, and an interlayer between the first substrate and the second substrate, wherein the pixel portion and the dummy portion each include multiple layers, and at least one layer of the pixel portion and at least one layer of the dummy portion include a same material.

公开(公告)号：US10446465B2

公开(公告)日：2019-10-15

申请号：US15804659

申请日：2017-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Eun Suk Kim ,  Moon Ju Kim ,  Jin Woo Park

IPC: H01L23/367 ,  H01L23/498 ,  H01L23/00 ,  H01L23/36 ,  G09G3/20

Abstract: Provided are chip-on-film package and display device including the same. The chip-on-film package comprises: a base film; a driving chip which is disposed on a surface of the base film; and a heat radiating member which is disposed on the driving chip and comprises a first heat radiating pad portion, a second heat radiating pad portion separated from the first heat radiating pad portion in a first direction, a connecting portion disposed between the first heat radiating pad portion and the second heat radiating pad portion, and one or more protrusions extending from the first heat radiating pad portion or the second heat radiating pad portion along an oblique direction in the first direction, wherein the connecting portion at least partially overlaps the driving chip.

公开(公告)号：US10340316B2

公开(公告)日：2019-07-02

申请号：US15263226

申请日：2016-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Ung Soo Lee ,  Ho Youn Kim ,  Jin Woo Park ,  Hyun Chul Oh ,  Jun Young Lee ,  Hyun Soo Jung ,  Su Hyuk Choi

IPC: H01L23/31 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00 ,  G06F3/041 ,  G02F1/1333

Abstract: A display device includes a first substrate, a second substrate comprising a pixel portion configured to display an image, and a dummy portion spaced from the pixel portion, a side of the dummy portion being exposed to the outside, and an interlayer between the first substrate and the second substrate, wherein the pixel portion and the dummy portion each include multiple layers, and at least one layer of the pixel portion and at least one layer of the dummy portion include a same material.

公开(公告)号：US10312301B2

公开(公告)日：2019-06-04

申请号：US15948088

申请日：2018-04-09

Applicant: Samsung Display Co., Ltd.

Inventor： Su Hyuk Choi ,  Jin Woo Park ,  Ho Youn Kim ,  Hyun Chul Oh ,  Ung Soo Lee ,  Jun Young Lee ,  Hyun Soo Jung

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L51/00

Abstract: A display device includes a first substrate including a first area and a second area, light emitting elements arranged in the first area, connecting pads arranged in the second area, a thin film encapsulation layer arranged on the light emitting elements, a second substrate including a third area and a fourth area, sensing pads arranged in the fourth area, a touch sensor layer including sensing electrodes arranged in the third area and sensing lines connected between the sensing electrodes and the sensing pads, an interlayer arranged between the thin film encapsulation layer and the touch sensor layer, and a conductive member connected between the connecting pads and the sensing pads.

公开(公告)号：US10008158B2

公开(公告)日：2018-06-26

申请号：US15199107

申请日：2016-06-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo Park ,  Dong Hwan Kim ,  Ki Myeong Eom

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0809 ,  G09G2300/0861 ,  G09G2310/027 ,  G09G2310/0283

Abstract: An organic light-emitting display device includes an organic light-emitting display panel displaying an image that includes a plurality of frames, a data driver providing a plurality of data signals, which correspond to the image, to the organic light-emitting display panel, and a gamma voltage generator providing a gamma voltage, which varies in a same period as each of the frames, to the data driver.