公开(公告)号：US11069276B2

公开(公告)日：2021-07-20

申请号：US16741346

申请日：2020-01-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunho Lim ,  Bongho Bae ,  Ok-Kwon Shin ,  Chongguk Lee ,  Myeong Bin Lim ,  Sehui Jang

IPC: G09G3/20

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a gamma reference voltage generator. The display panel is configured to display an image based on input image data. The gate driver is configured to output a gate signal to the display panel. The data driver is configured to output a data voltage to the display panel. The gamma reference voltage generator includes a plurality of gamma amplifiers having varied bias currents. The gamma reference voltage generator is configured to generate gamma reference voltages and to output the gamma reference voltages to the data driver.

公开(公告)号：US10108032B2

公开(公告)日：2018-10-23

申请号：US15181884

申请日：2016-06-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Su-Mi Moon ,  Seonmi Kim ,  Chongguk Lee ,  Sehui Jang ,  Sangmoon Moh

IPC: G02F1/1345 ,  G02F1/133 ,  G02F1/1333 ,  G02F1/1368 ,  H01L27/12 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  H04N5/44

Abstract: A curved display apparatus includes a curved display panel, a driver, a controller and a plurality of flexible substrates. The curved display panel extends in a tangential direction with respect to a first axis direction. The driver applies a driving signal to the curved display panel. The controller includes a curved printed circuit board extending in the tangential direction with respect to a first axis direction. The controller applies a control signal to the driver. The flexible substrates electrically connect the curved printed circuit board with the curved display panel. Each of the flexible substrates includes a first connection portion connected to the curved display panel, a second connection portion connected to the curved printed circuit board and a flexible substrate body connecting the first connection portion with the second connection portion. The flexible substrate body extends in a radial direction with respect to the first axis direction.

公开(公告)号：US11910529B2

公开(公告)日：2024-02-20

申请号：US18088383

申请日：2022-12-23

Applicant: Samsung Display Co., LTD.

Inventor： Sehui Jang ,  Chongguk Lee

IPC: H05K1/11 ,  H05K1/02 ,  H05K1/18 ,  H01L25/18 ,  G02F1/1345 ,  H10K59/131

CPC classification number: H05K1/118 ,  H05K1/0268 ,  H05K1/189 ,  G02F1/13452 ,  H01L25/18 ,  H05K2201/094 ,  H05K2201/09418 ,  H05K2201/09781 ,  H05K2201/10128 ,  H05K2201/10136 ,  H10K59/131

Abstract: A display device is provided and includes a display panel including a display area that displays an image and a pad area disposed at least at a side of the display area, and a flexible circuit film electrically connected to the pad area. The flexible circuit film includes connection pads, a first measurement pad, and a second measurement pad. The connection pads are arrayed in a first direction and inclined with respect to a reference line extending in a second direction different from the first direction, the first measurement pad is disposed adjacent to a first side of the connection pads, and the second measurement pad is disposed adjacent to a second side of the connection pads. The connection pads are between the first measurement pad and the second measurement pad.

公开(公告)号：US20200234624A1

公开(公告)日：2020-07-23

申请号：US16741346

申请日：2020-01-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： HYUNHO LIM ,  Bongho Bae ,  Ok-Kwon Shin ,  Chongguk Lee ,  Myeong Bin Lim ,  Sehui Jang

IPC: G09G3/20

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a gamma reference voltage generator. The display panel is configured to display an image based on input image data. The gate driver is configured to output a gate signal to the display panel. The data driver is configured to output a data voltage to the display panel. The gamma reference voltage generator includes a plurality of gamma amplifiers having varied bias currents. The gamma reference voltage generator is configured to generate gamma reference voltages and to output the gamma reference voltages to the data driver.

公开(公告)号：US10219385B2

公开(公告)日：2019-02-26

申请号：US15467004

申请日：2017-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sehui Jang ,  Sung-dong Park ,  Chongguk Lee ,  Byoungdoo Jeong

IPC: H05K1/11 ,  H05K1/18 ,  H05K1/02 ,  H05K1/14

Abstract: A flexible film includes a base film including an edge portion which extends in a first direction, a plurality of wirings disposed on the base film, and a plurality of pads which is disposed in the edge portion of the base film and connected to the plurality of wirings. The plurality of pads disposed in the edge portion include a plurality of horizontal pads horizontally arranged in the first direction to define a pad row extended in the first direction; and a vertical pad including a plurality of vertically arranged pads arranged in a second direction perpendicular to the first direction, within a same pad row in which the plurality of horizontal pads are horizontally arranged.

公开(公告)号：US11540392B2

公开(公告)日：2022-12-27

申请号：US17125405

申请日：2020-12-17

Applicant: Samsung Display Co., LTD.

Inventor： Sehui Jang ,  Chongguk Lee

IPC: H05K1/00 ,  H05K1/11 ,  H05K1/02 ,  H05K1/18 ,  H01L25/18 ,  H01L27/32 ,  G02F1/1345

Abstract: A display device is provided and includes a display panel including a display area that displays an image and a pad area disposed at least at a side of the display area, and a flexible circuit film electrically connected to the pad area. The flexible circuit film includes connection pads, a first measurement pad, and a second measurement pad. The connection pads are arrayed in a first direction and inclined with respect to a reference line extending in a second direction different from the first direction, the first measurement pad is disposed adjacent to a first side of the connection pads, and the second measurement pad is disposed adjacent to a second side of the connection pads. The connection pads are between the first measurement pad and the second measurement pad.

公开(公告)号：US11423847B2

公开(公告)日：2022-08-23

申请号：US16823184

申请日：2020-03-18

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunho Lim ,  Bongho Bae ,  Ok-Kwon Shin ,  Hyun Ha Yang ,  Chongguk Lee ,  Myeong Bin Lim ,  Sehui Jang

IPC: G09G3/3291 ,  G09G3/36

Abstract: A display device includes: a display panel including a plurality of pixels; a power management circuit configured to generate an analog power supply voltage; and a data driver configured to provide a pre-emphasis voltage and a data voltage to the plurality of pixels based on the analog power supply voltage, wherein the display device is configured to adjust a voltage level of the pre-emphasis voltage according to a distance from the data driver to each of the plurality of pixels to which the pre-emphasis voltage is applied, and wherein the display device is configured to adjust a voltage level of the analog power supply voltage according to the adjusted voltage level of the pre-emphasis voltage.

公开(公告)号：US11043438B2

公开(公告)日：2021-06-22

申请号：US16221697

申请日：2018-12-17

Applicant: Samsung Display Co., LTD.

Inventor： Sehui Jang ,  Jihyun Kim ,  Chongguk Lee

IPC: H01L23/31 ,  H01L23/498 ,  H05K1/02 ,  G02F1/1345 ,  H01L27/12 ,  H01L27/32 ,  G02F1/1362 ,  G02F1/1333 ,  H01L23/00

Abstract: A chip on film package includes a driving integrated circuit chip; a base substrate including: a driving integrated circuit region, and a first region at which stress is converged by the base substrate bent along a side surface of the display panel; and an electrical ground pattern structure on the base substrate in the first region thereof at which the stress is converged. The electrical ground pattern structure is connected to a first side of the driving integrated circuit chip, and the ground pattern structure includes extended from the first side of the driving integrated circuit chip: in a first portion of the first region, ground patterns each inclined in a first direction, and in a second portion of the first region, ground patterns each inclined in a second direction different from the first direction.

公开(公告)号：US10575403B2

公开(公告)日：2020-02-25

申请号：US15617404

申请日：2017-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-dong Park ,  Youngdae Song ,  Sehui Jang ,  Byoungdoo Jeong

IPC: H05K1/00 ,  H05K1/14 ,  G02F1/1333 ,  H05K1/02 ,  H05K1/03 ,  H05K5/00 ,  H05K7/00 ,  G02F1/1345 ,  H01L23/495 ,  G06F1/16 ,  H04N5/64 ,  H05K1/18

Abstract: A display device includes a display panel, a main circuit board facing a rear surface of the display panel and including a first main segment, a second main segment, and a first sub-segment disposed between the first main segment and the second main segment, and flexible printed circuit boards which electrically connects the display panel and the main circuit board. A first cut-away portion is defined between the first main segment and the second main segment, the first main segment is bent along a first bending line defining a boundary between the first main segment and the first sub-segment, and the second main segment is bent along a second bending line defining a boundary between the second main segment and the first sub-segment.