公开(公告)号：US12096683B2

公开(公告)日：2024-09-17

申请号：US17035552

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jungsub Lee ,  Hyunyoung Kim ,  Jiyoung Lee ,  Hyejin Jung ,  Minje Kim ,  Eung Do Kim ,  Hyojeong Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Kunwook Cho ,  Hyeon Gu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Hyein Jeong ,  Jaejin Lyu

IPC: H01L51/54 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K85/6572 ,  H10K85/342 ,  H10K85/344 ,  H10K85/346 ,  H10K85/348 ,  H10K85/371 ,  H10K85/40 ,  H10K85/636

Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4:




Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.

公开(公告)号：US12096677B2

公开(公告)日：2024-09-17

申请号：US18062050

申请日：2022-12-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Beong Hun Beon ,  Woo Suk Jung

IPC: H10K59/65 ,  G06V10/143 ,  G06V40/12 ,  G06V40/13 ,  H10K50/844 ,  H10K50/86 ,  H10K59/12 ,  H10K59/40

CPC classification number: H10K59/65 ,  G06V10/143 ,  G06V40/1318 ,  G06V40/1365 ,  H10K50/844 ,  H10K50/86 ,  H10K59/12 ,  H10K59/40

Abstract: Systems and methods are described for a display device in which the recognition failure of a fingerprint recognition sensor disposed in a display area without being exposed to the outside is reduced. The display device comprises a display panel; a cover window disposed above the display panel; an optical sensor, wherein at least a part of the optical sensor is disposed under the display panel; and an infrared blocking member disposed between the optical sensor and the cover window and at least a part of which overlaps the optical sensor from above the optical sensor.

公开(公告)号：US12096668B2

公开(公告)日：2024-09-17

申请号：US18374581

申请日：2023-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Woo Suk Seo ,  Sang Woo Ha ,  Sung Chul Kim ,  Jung Hyun Kim ,  Si Joon Song ,  Jun Ho Song ,  Bong Hyun You

IPC: H10K59/131 ,  B23K26/06 ,  H10K50/805 ,  H10K50/842 ,  H10K71/00

CPC classification number: H10K59/131 ,  B23K26/06 ,  H10K50/805 ,  H10K50/8426 ,  H10K71/00

Abstract: A display device includes: a first substrate in which a display area and a non-display area disposed outside the display area are defined; a second substrate facing the first substrate; and a cell seal disposed on the non-display area, where the cell seal includes a bonding filament connecting the first substrate and the second substrate to each other.

公开(公告)号：US12095008B2

公开(公告)日：2024-09-17

申请号：US17365461

申请日：2021-07-01

Applicant: Samsung Display Co., LTD.

Inventor： Young Chul Sim ,  Hyung Rae Cha ,  Dong Uk Kim ,  Sung Ae Jang ,  Ji Hyun Ham

IPC: H01L33/40 ,  H01L27/15 ,  H01L33/00 ,  H01L33/32 ,  H01L33/38 ,  H01L33/42

CPC classification number: H01L33/325 ,  H01L27/156 ,  H01L33/005 ,  H01L33/382 ,  H01L33/42

Abstract: A light emitting element includes a first semiconductor layer including a first type of semiconductor, the first semiconductor layer including a 1-1-th semiconductor layer and a 1-2-th semiconductor layer, which are arranged in a length direction of the light emitting element; a second semiconductor layer including a second type of semiconductor different from the first type; an active layer disposed between the 1-2-th semiconductor layer and the second semiconductor layer; and an intermediate layer disposed between the 1-1-th semiconductor layer and the 1-2-th semiconductor layer and having a porous structure.

公开(公告)号：US12094977B2

公开(公告)日：2024-09-17

申请号：US18109301

申请日：2023-02-14

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye Han ,  Jung Yun Jo ,  Chul Min Bae

IPC: H01L27/12 ,  H01L29/786 ,  H10K59/121

CPC classification number: H01L29/78606 ,  H01L27/1225 ,  H10K59/1213

Abstract: A display device includes a buffer layer disposed on a substrate and comprising a first buffer film, and a second buffer film, wherein the first buffer film and the second buffer film are sequentially stacked in a thickness direction of the display device; a semiconductor pattern disposed on the buffer layer; a gate insulating layer disposed on the semiconductor pattern; and a gate electrode disposed on the gate insulating layer, wherein the first buffer film and the second buffer film comprise a same material, and a density of the first buffer film is greater than a density of the second buffer film.

公开(公告)号：US12094920B2

公开(公告)日：2024-09-17

申请号：US18186917

申请日：2023-03-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Taek Kim ,  Jin Yeong Kim ,  Soo Hyun Moon ,  Sang Ho Park ,  Seung Min Lee ,  Jin Woo Lee ,  Tae Hoon Yang

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/06 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/06 ,  H01L33/387 ,  H01L33/62 ,  G09G2310/0278

Abstract: A display panel includes a base layer having a display area and a non-display area including a pad area; a plurality of transistors on the base layer; a first protective layer covering the plurality of transistors; a conductive layer on the first protective layer; a second protective layer over the conductive layer; a first electrode and a second electrode on the second protective layer, the first and second electrodes being spaced from each other; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode being in contact with one end portion of the light emitting element, and a second contact electrode on the second electrode, the second contact electrode being in contact with the other end portion of the at least one light emitting element; and a first pad in the pad area.

公开(公告)号：US12094422B2

公开(公告)日：2024-09-17

申请号：US18145606

申请日：2022-12-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hae Kwan Seo ,  Jin Young Roh ,  Young Ha Sohn ,  Jin Wook Yang

IPC: G09G3/3275 ,  G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0297 ,  G09G2310/08 ,  G09G2320/043

Abstract: A display device includes a display panel including a first pixel column in which first and third color pixels are alternately disposed, a second pixel column in which second color pixels are disposed, a third pixel column in which the third and first color pixels are alternately disposed, and a fourth pixel column in which the second color pixels are disposed. The display device further includes a scan driver applying a scan signal to scan lines, a data driver including a first source channel supplying a first color data signal and a second color data signal to a first data line, and a second source channel supplying the second color data signal and a third color data signal to a second data line, and a demultiplexer successively selecting the first and second sub-data lines during a period in which the scan signal is supplied to each scan line.

公开(公告)号：US12094408B2

公开(公告)日：2024-09-17

申请号：US17965237

申请日：2022-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyo-Sang Yang ,  Sungjin Kim ,  Boram Shin

IPC: G09G3/32 ,  G09G3/3233 ,  G09G3/3275

CPC classification number: G09G3/3233 ,  G09G3/3275 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2330/028

Abstract: A display device includes: a display panel which receives a driving voltage and an initialization voltage; a power manager which provides the driving voltage to the display panel; and a voltage generator which receives a feedback driving voltage from the display panel and generates the initialization voltage based on the feedback driving voltage. The feedback driving voltage is a voltage that is fed back to the voltage generator after the driving voltage supplied from the power manager passes through the display panel.

公开(公告)号：US12094394B2

公开(公告)日：2024-09-17

申请号：US18084591

申请日：2022-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In

IPC: G09G3/20 ,  G11C19/28

CPC classification number: G09G3/2096 ,  G09G2310/0275 ,  G09G2310/0286 ,  G09G2310/0291 ,  G09G2310/08 ,  G11C19/28

Abstract: A gate driver includes a carry signal generating circuit and a shift register circuit. The carry signal generating circuit receives a vertical start signal and outputs first and second carry signals. The shift register circuit receives the first and second carry signals and outputs a first stage first carry signal, a first stage second carry signal and a first stage gate output signal. The carry signal generating circuit includes a first carry generator generating the first carry signal and a second carry generator generating the second carry signal. The shift register circuit includes a first stage first carry generator generating the first stage first carry signal, a first stage second carry generator generating the first stage second carry signal and a first stage output buffer outputting the first stage gate output signal.

公开(公告)号：US12094392B2

公开(公告)日：2024-09-17

申请号：US18464961

申请日：2023-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Su Han ,  Kyun Ho Kim ,  Seong Jun Kim ,  Jung Taek Kim ,  Hyung Keun Park ,  Joon Suk Baik ,  Se Keun Lee

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/027 ,  G09G2310/0278

Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.