公开(公告)号：US12165555B2

公开(公告)日：2024-12-10

申请号：US18382139

申请日：2023-10-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Chun Park ,  Yoon Young Lee

IPC: G09G3/20 ,  H02M1/32 ,  H02M3/158 ,  H02M1/00

Abstract: A direct current-to-direct current (“DC-DC”) converter includes: a first converter which outputs a first power voltage in a normal mode or a power saving mode based on a inductor current generated therein, where the first converter operates in a first driving manner in the normal mode, and operates in a second driving manner in the power saving mode; a second converter which outputs a second power voltage based on a inductor current generated therein, where the second converter operates in a third driving manner in the power saving mode, and a magnitude of the second power voltage in the power saving mode is different from that in the normal mode; and a mode selector which supplies a mode control signal to the first and second converters, where the first and second converters are driven in the normal mode or the power saving mode based on the mode control signal.

公开(公告)号：US12165553B2

公开(公告)日：2024-12-10

申请号：US18095097

申请日：2023-01-10

Applicant: Samsung Display Co., LTD.

Inventor： Hai-Jung In ,  Chulkyu Kang ,  Kimyeong Eom ,  Soon-Gi Kwon ,  Min Jeong Kim

IPC: G09G3/20

Abstract: A gate driver includes: a pull-up circuit configured to pull up a gate output signal to a high voltage in response to a signal at a first node of the pull-up circuit; a first pull-down circuit configured to pull down the gate output signal to a low voltage in response to a signal at a second node of the first pull-down circuit; a second pull-down circuit configured to pull down the gate output signal to the low voltage in response to a signal at a third node of the second pull-down circuit; a first selection circuit configured to activate the first pull-down circuit and deactivate the second pull-down circuit based on a first selection signal; and a second selection circuit configured to activate the second pull-down circuit and deactivate the first pull-down circuit based on a second selection signal.

公开(公告)号：US12164735B2

公开(公告)日：2024-12-10

申请号：US18156928

申请日：2023-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyungbae Kim ,  Hyun-Wook Cho ,  Sangkook Kim ,  Taejoon Kim

IPC: G09G5/00 ,  G06F3/041 ,  G06F3/044 ,  H10K59/40

Abstract: An input sensing part includes a first sensing electrode, a second sensing electrode that is insulated from the first sensing electrode and crosses the first sensing electrode, a plurality of dummy electrodes that are disposed in dummy areas located between the first and second sensing electrodes, when viewed in a plan view, and a dummy connection pattern that is insulated from the first and second sensing electrodes. The dummy connection pattern crosses the first sensing electrode or the second sensing electrode, when viewed in a plan view, and connects the dummy electrodes.

公开(公告)号：US12164347B2

公开(公告)日：2024-12-10

申请号：US18341855

申请日：2023-06-27

Applicant: Samsung Display Co., LTD.

Inventor： Jihye Kong ,  Jeong-Soo Lee

IPC: G06F1/18 ,  G09G3/3275

Abstract: A display device includes a plurality of pixels and an upper signal line providing a data signal to the pixels. The upper signal line includes a first upper signal line including a first metal material, a second upper signal line including a second metal material which is different from the first metal material, and a third upper signal line including the first metal material. The first, second and third upper signal lines are arranged in order and respectively electrically connected to a plurality of connection lines including the second metal material. The connection lines are connected to a plurality of lower signal lines.

公开(公告)号：US12164331B2

公开(公告)日：2024-12-10

申请号：US17370288

申请日：2021-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Min-Sung Kim ,  Sena Ryu ,  Juhee Song ,  Joonggun Chong

IPC: G06F1/16 ,  B32B7/12 ,  G09G3/00 ,  G09G3/3208 ,  H01L27/15 ,  H05K5/00 ,  H10K59/10 ,  H10K59/38 ,  H10K77/10 ,  B32B27/28

Abstract: An electronic device includes a window, a display panel disposed below the window, and a cushion member disposed below the display panel, wherein the cushion member includes a barrier film having a modulus in a range of about 1 GPa to about 15 GPa and a cushion layer disposed below the barrier film and having a modulus of about 1 MPa or less.

公开(公告)号：US20240407263A1

公开(公告)日：2024-12-05

申请号：US18640976

申请日：2024-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： TAEIL KIM ,  SUN YOUNG PAK ,  JUNHA PARK ,  MinJae SUNG ,  MUN-KI SIM ,  CHANSEOK OH ,  MINJUNG JUNG ,  Giwoong HAN ,  Seonhyoung HUR

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12 ,  H10K101/00

Abstract: A light-emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The light-emitting layer includes a fused polycyclic compound having a pentacyclic core that includes three aromatic rings fused by one boron and two nitrogen atoms. A first substituent that excludes hydrogen and deuterium is connected to the pentacyclic core at an ortho-position of the boron.

公开(公告)号：US20240407233A1

公开(公告)日：2024-12-05

申请号：US18417185

申请日：2024-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myung Hwan KIM

IPC: H10K59/80 ,  H10K59/12

Abstract: A display device includes a display panel comprising a display area, a cover window disposed on an upper surface of the display panel, and a protection member disposed on a lower surface of the display area of the display panel. A material of the protection member has an elastic modulus of 4 GPa or less at a glass transition temperature of the material and a contraction rate of 20% or more at the glass transition temperature.

公开(公告)号：US20240407215A1

公开(公告)日：2024-12-05

申请号：US18798956

申请日：2024-08-09

Applicant: Samsung Display Co., LTD.

Inventor： Chun Gi YOU

IPC: H10K59/131 ,  H10K50/814 ,  H10K50/844

Abstract: A display device includes a substrate including a display area at which an image is displayed and a non-display area which is adjacent to the display area, and in the non-display area a common voltage transmitting line which is connected to the display area and through which a common voltage is provided to the display area, an organic insulating layer between the common voltage transmitting line and the substrate, a first opening which is in the common voltage transmitting line and exposes the organic insulating layer to outside the common voltage transmitting line and an auxiliary electrode which faces the organic insulating layer with the common voltage transmitting line therebetween, contacts the common voltage transmitting line at the first opening and covers the first opening.

公开(公告)号：US20240407208A1

公开(公告)日：2024-12-05

申请号：US18621577

申请日：2024-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Sang Uk LIM ,  Tak Young LEE ,  Seung Soo BAEK ,  Bo Yong CHUNG

IPC: H10K59/131 ,  H10K59/35

Abstract: A display device includes sub-pixels. The first and third sub-pixels overlap in a first direction. The second sub-pixel is spaced from the first and third sub-pixels in a second direction. Each of the sub-pixels includes a pixel-circuit layer including a pixel circuit including first and second transistors, a data line, and a scan line, and a light-emitting-element layer on the pixel-circuit layer and including a light emitting element. The pixel circuit includes first to third pixel circuits in the first to third sub-pixels, respectively. The data line includes first to third data lines included in the first to third sub-pixels, respectively, and electrically connected to the first to third pixel circuits, respectively. The first to third data lines are adjacent. The second data line is not between the first and third data lines such that only one side of the second data line faces the first and third data lines.

公开(公告)号：US20240407113A1

公开(公告)日：2024-12-05

申请号：US18671850

申请日：2024-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： MANSIK MYUNG ,  SUNGJUNE PARK ,  JAIKU SHIN ,  JIN YONG SIM ,  SUNG CHUL CHOI

IPC: H05K5/02

Abstract: A display device includes: a display panel; and a support plate under the display panel, and including a first non-folding portion, a folding portion, and a second non-folding portion, which are located along a first direction. The folding portion includes: a plurality of openings; and branches between the openings. An area ratio of the openings to the branches is greater at a portion of the folding portion adjacent to at least one of the first or second non-folding portions than at a center of the folding portion.