公开(公告)号：US20250157419A1

公开(公告)日：2025-05-15

申请号：US18794281

申请日：2024-08-05

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Young Wan SEO

IPC: G09G3/3291 ,  G09G3/3266 ,  H10K59/121 ,  H10K59/131

Abstract: A display device comprises an active layer on a substrate, a first metal layer above the active layer, a second metal layer above the first metal layer, a first transistor comprising a semiconductor region in the active layer, a drain electrode on a first side of the semiconductor region, a source electrode on a second side opposite the first side of the semiconductor region, and a gate electrode in the second metal layer, a first capacitor comprising a first capacitor electrode in the first metal layer and electrically connected to the gate electrode of the first transistor, a second capacitor comprising a second capacitor electrode in the first metal layer and electrically connected to a driving voltage line supplying a driving voltage, and a shielding electrode in the second metal layer and overlapping with the first capacitor electrode, the second capacitor electrode, and the drain electrode of the first transistor.

公开(公告)号：US20250157405A1

公开(公告)日：2025-05-15

申请号：US19022475

申请日：2025-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jaehoon Lee ,  Jihyun Ka ,  Seokje Seong ,  Joosun Yoon

IPC: G09G3/3233

Abstract: Provided are a pixel configured to receive a first initialization voltage during a first period between a writing period of a first scan period and a first emission period of a frame and to receive a second initialization voltage different from the first initialization voltage from a start time point of a second period before a second emission period of a second scan period subsequent to the first scan period, a display apparatus including the pixel, and a driving method of the display apparatus.

公开(公告)号：US20250157376A1

公开(公告)日：2025-05-15

申请号：US18948473

申请日：2024-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： SUNGSOO CHOI ,  JAEHOON LEE ,  JUNPYO LEE ,  WONJIN SEO

IPC: G09G3/20

Abstract: A display apparatus is disclosed that includes a display panel including a pixel, a gate driver applying a gate signal, a data driver applying a data voltage, an emission driver applying an emission signal and a power voltage generator receiving a sensed power voltage and outputting a compensated power voltage. The pixel includes a driving transistor including a first control electrode receiving the data voltage, a second control electrode connected to a hold capacitor, a first electrode receiving a first power voltage and a second electrode connected to a first electrode of a light emitting element, the hold capacitor including a first electrode receiving the first power voltage and a second electrode connected to the second control electrode of the driving transistor and the light emitting element including a first electrode receiving the first power voltage and a second electrode receiving a second power voltage.

公开(公告)号：US20250157375A1

公开(公告)日：2025-05-15

申请号：US18941260

申请日：2024-11-08

Applicant: Samsung Display Co., LTD.

Inventor： MINWOO BYUN ,  MINJOO KIM

IPC: G09G3/20

Abstract: An emission driver includes emission stages including an input circuit; an inversion control circuit; an emission output circuit; a carry output circuit; and a boosting circuit. The boosting circuit includes a first transistor including a gate electrode connected to the control node, a first electrode configured to receive a next emission carry signal, and a second electrode connected to a boosting node, and a first capacitor including a first electrode connected to the control node and a second electrode connected to the boosting node.

公开(公告)号：US20250157247A1

公开(公告)日：2025-05-15

申请号：US18774932

申请日：2024-07-17

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun LEE ,  Chol Ho KIM ,  Sang Yun LIM

IPC: G06V40/13 ,  H10K59/131 ,  H10K59/60

Abstract: A fingerprint sensor comprises a read-out line disposed on a substrate and extending in a first direction, a first sensor transistor controlling a sensing current based on a voltage of a sensor node, a second sensor transistor supplying a reset voltage to the sensor node based on a reset signal, a third sensor transistor electrically connected a first electrode of the first sensor transistor and the read-out line based on a gate signal, and a fourth sensor transistor comprising a gate electrode connected to a bias voltage line, a first electrode connected to the bias voltage line, and a second electrode connected to the sensor node.

公开(公告)号：US20250156793A1

公开(公告)日：2025-05-15

申请号：US18780634

申请日：2024-07-23

Applicant: Samsung Display Co., LTD.

Inventor： JONGBEOM PARK ,  HOYUN LEE ,  JUN-HWAN KANG

IPC: G06Q10/08 ,  G05B19/418

Abstract: An inspection logistics system includes a plurality of inspection facilities, a linear motion system including a plurality of coils that move inspection objects placed on a carrier to the plurality of inspection facilities, and a controller that controls movement of the carrier. The controller includes a facility status update unit that updates a status of the plurality of inspection facilities, a node recursive search unit that searches for nodes composed of connections between the plurality of coils and updates information existing from a search start point to a reachable inspection facility, and a weight determination unit that selects an inspection facility to which the carrier will move based on a facility status updated by the facility status update unit and information updated by the node recursive search unit.

公开(公告)号：US20250156007A1

公开(公告)日：2025-05-15

申请号：US18932034

申请日：2024-10-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： GUNWOO YANG ,  TAEHO KANG ,  SIWOO KIM ,  HAERYEONG PARK ,  KEUNHEE CHOI

IPC: G06F3/041 ,  G09G3/3225

Abstract: A display apparatus includes a display panel, a panel driver, a touch driving output layer of a touch panel and touch driver. The display driver outputs a panel driving signal to the display panel. The touch driver outputs a touch driving signal to the touch driving signal output layer. The display apparatus determines a driving frequency of the display panel according to the panel driving signal and synchronizes a frequency of the touch driving signal with the driving frequency.

公开(公告)号：US20250155919A1

公开(公告)日：2025-05-15

申请号：US19026471

申请日：2025-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： SE-BYUNG CHAE

IPC: G06F1/12 ,  G06F1/08 ,  G09G3/32 ,  G09G3/3225

Abstract: A signal generator may include a reference horizontal synchronization signal generation block which generates reference horizontal synchronization signals based on a number of clock signals per a horizontal time, a frame clock calculation block which calculates a first frame clock number based on a number of the clock signals per the horizontal time, a frame clock comparation block which calculates a clock offset by comparing the first frame clock number and a second frame clock number generated based on a number of the clock signals per a frame time, a clock distribution block which generates horizontal synchronization signals by distributing a number of the clock signals corresponding to the clock offset to the reference horizontal synchronization signals, and a vertical synchronization signal generation block which generates a vertical synchronization signal based on the horizontal synchronization signals.

公开(公告)号：US20250154408A1

公开(公告)日：2025-05-15

申请号：US18940016

申请日：2024-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Kawon PAK ,  Sungjae KIM ,  Youngsik KIM ,  Bitna YOON ,  Donghee LEE ,  Junehyuk JUNG

IPC: C09K11/88 ,  B82Y20/00 ,  B82Y40/00 ,  C09K11/02 ,  C09K11/08 ,  C09K11/62

Abstract: A quantum dot includes a nanoparticle and a heterofunctional ligand bonded to a surface of the nanoparticle and represented by Formula 1: M1(X1)(R1)  [Formula 1] In Formula 1, M1 is a metal cation, X1 is a halide ion, and R1 is a hydrophilic group having 11 or more carbon atoms.

公开(公告)号：US20250153919A1

公开(公告)日：2025-05-15

申请号：US18808318

申请日：2024-08-19

Applicant: Samsung Display Co., LTD.

Inventor： JIN-WOOK CHO ,  SU-YOUNG YUN ,  JA HUEM KOO KOO

IPC: B65D81/133 ,  B65D1/34 ,  B65D85/68

Abstract: A display device packaging assembly includes: a packaging tray including a wall defining an accommodating space, and cushion pads disposed between and on display devices loaded in the accommodating space. Each of the cushion pads includes a body and a first wing disposed on one side of said body, and the first wing includes a first sub-wing, a second sub-wing, and a third sub-wing disposed between the first sub-wing and the second sub-wing. In a first direction, a width of the third sub-wing is smaller than each of a width of the first sub-wing and a width of the second sub-wing.