公开(公告)号：US12219868B2

公开(公告)日：2025-02-04

申请号：US17220707

申请日：2021-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeongmin Kim ,  Heechoon Ahn ,  Hyunah Um ,  Yeseul Lee ,  Hyoyoung Lee ,  Yirang Im ,  Seowon Cho

IPC: H10K85/40 ,  C07F7/08 ,  C09K11/06 ,  H10K50/11 ,  H10K85/60 ,  H10K101/10

Abstract: An organic electroluminescence device of the present disclosure includes a first electrode, a second electrode oppositely disposed to the first electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer among the multiple organic layers includes a fused polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.

公开(公告)号：US12219864B2

公开(公告)日：2025-02-04

申请号：US17546671

申请日：2021-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Geunwoo Yug

IPC: H10K71/00 ,  B23K26/38 ,  B23K26/402 ,  H10K71/80 ,  H10K77/10 ,  H10K102/00

Abstract: A manufacturing method of a display device includes providing a work panel including a display panel including a folding area, and a carrier film disposed under the display panel and including a first area and a second area, wherein a peeling tape is attached to the first area and the second area is adjacent to the first area, and cutting the work panel by irradiating a laser beam on to the work panel. The cutting of the work panel includes irradiating the laser beam along a first cutting line corresponding to the first area under a first condition, and irradiating the laser beam along a second cutting line corresponding to the second area under a second condition different from the first condition.

公开(公告)号：US12219853B2

公开(公告)日：2025-02-04

申请号：US17528376

申请日：2021-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jinwon Kim ,  Buyong Kim ,  Sujin Kim ,  Kiheon Lee ,  Woo-Man Ji ,  Hoyeon Ji ,  Yongseok Choi

IPC: H10K59/38 ,  H10K50/84 ,  H10K50/854

Abstract: A display panel includes a display layer including a light emitting element generating a source light, a first color filter on the display layer, a first color control layer between the display layer and the first color filter and including a first surface facing the first display layer and a second surface facing the first color filter, and a plurality of capping layers encapsulating the first color control layer. Among the capping layers, a capping layer between the first surface of the first color control layer and the display layer has a first-first thickness that is different from a second-first thickness of a capping layer between the second surface of the first color control layer and the first color filter.

公开(公告)号：US12219835B2

公开(公告)日：2025-02-04

申请号：US18387145

申请日：2023-11-06

Applicant: Samsung Display Co., LTD.

Inventor： Sun Ho Kim ,  Gun Hee Kim ,  Dong Hwan Shim ,  Tae Hoon Yang ,  Sun Hee Lee

IPC: H10K59/131 ,  H10K59/121

Abstract: A display device includes a display area which includes a first display area including a plurality of first pixels and a second display area including at least one second pixel and at least one light-transmitting portion, a peripheral area disposed around the display area, a data line including a first portion and a second portion spaced apart from each other in a predetermined direction with the light-transmitting portion therebetween, and a conductive pattern disposed at a different conductive layer from the data line. The conductive pattern includes a first pattern portion including a bypass portion that bypasses a periphery of the second display area in a plan view and disposed in the first display area, and the first pattern portion includes a first end electrically connected to the first portion of the data line and a second end electrically connected to the second portion of the data line.

公开(公告)号：US12219821B2

公开(公告)日：2025-02-04

申请号：US18338513

申请日：2023-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sun-Kyu Joo ,  In Seok Song ,  Keun Chan Oh ,  Byung-Chul Kim ,  In Ok Kim ,  Gak Seok Lee ,  Chang-Soon Jang

IPC: H10K59/122 ,  H10K50/11 ,  H10K50/81 ,  H10K50/813 ,  H10K50/82 ,  H10K50/84 ,  H10K50/856 ,  H10K59/121 ,  H10K59/124 ,  H10K59/35 ,  H10K59/38

Abstract: A display device includes a substrate, a thin film transistor on the substrate, an interlayer insulating layer on the thin film transistor, an electrode on the interlayer insulating layer, the electrode including an emission region, a contact region overlapping the thin film transistor, and a dummy region protruding from the emission region in a direction different from the contact region, and an emission layer on the electrode, the emission region of the electrode overlapping the emission layer.

公开(公告)号：US12219816B2

公开(公告)日：2025-02-04

申请号：US18361810

申请日：2023-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chang Soo Pyon

IPC: H10K59/121 ,  H01L27/12 ,  H10K59/131

Abstract: An organic light emitting diode display device includes: a substrate; a scan line configured to transfer a scan signal; a data line and a driving voltage line configured to transfer a data voltage and a driving voltage, respectively; a switching transistor including a switching drain electrode configured to output the data voltage; a driving transistor including a driving gate electrode connected with the switching drain electrode; a storage capacitor including a first storage electrode connected with the driving gate electrode and a second storage electrode connected with the driving voltage line; and an organic light emitting diode connected with a driving drain electrode of the driving transistor. The storage capacitor includes: a connector in which an edge of the second storage electrode is offset from an edge of the first storage electrode in a direction toward the center of the second storage electrode, and a storage compensator facing the connector.

公开(公告)号：US12219810B2

公开(公告)日：2025-02-04

申请号：US17521546

申请日：2021-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo Choi ,  Min Woo Kim ,  Sung Kook Park ,  Dae Ho Song ,  Byung Choon Yang ,  Hyung Il Jeon

IPC: H10K59/121 ,  H10K50/856 ,  H10K50/86 ,  H10K59/12 ,  H10K71/00

Abstract: The display device includes a substrate including a plurality of pixel areas; and a pixel in each of the plurality of pixel areas. The pixel may include a pixel circuit layer on the substrate and including at least one transistor; a first electrode on the pixel circuit layer and electrically connected to the transistor; a plurality of light emitting elements on the first electrode and electrically connected to the first electrode; a second electrode on the plurality of light emitting elements; and a light blocking pattern on the second electrode and including a plurality of openings corresponding to each of the plurality of light emitting elements. Here, each of the plurality of pixel areas may include an emission area corresponding to each of the plurality of openings and a non-emission area excluding the emission area.

公开(公告)号：US12219808B2

公开(公告)日：2025-02-04

申请号：US17351923

申请日：2021-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Youngwan Seo ,  Gyungsoon Park ,  Sumi Lee ,  Jaeun Lee ,  Gunhee Kim ,  Hyeongseok Kim

IPC: H10K59/121 ,  H10K59/126 ,  H10K59/122 ,  H10K59/124 ,  H10K59/35

Abstract: A display apparatus includes: a first display area comprising a first plurality of pixels; a second display area comprising transmission areas and a second plurality of pixels, wherein: the second plurality of pixels of the second display area are arranged in a buffer display area and a normal display area of the second display area; the buffer display area is adjacent to the first display area; the normal display area is spaced apart from the first display area; and a pixel density of the normal display area is less than a pixel density of the buffer display area; and a blocking metal layer in the second display area and comprising openings corresponding to the transmission areas.

公开(公告)号：US12219789B2

公开(公告)日：2025-02-04

申请号：US16992837

申请日：2020-08-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Tsuyoshi Naijo ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi

IPC: H10K50/16 ,  H10K85/60

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.

公开(公告)号：US12219696B2

公开(公告)日：2025-02-04

申请号：US17143361

申请日：2021-01-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sungjune Park

IPC: H05K1/02 ,  G02F1/1333 ,  H05K1/11

Abstract: A display device includes a display panel, a protection film which faces the display panel and includes a first surface closest to the display panel and a second surface which is opposed to the first surface, a first anti-static layer which defines the first surface of the protection film, a second anti-static layer which faces the first anti-static layer and defines the second surface of the protection film, and a polyimide film between the first anti-static layer and the second anti-static layer, and an adhesive layer which forms an interface with the first surface of the protection film and attaches the protection film to the display panel.