公开(公告)号：US20210074240A1

公开(公告)日：2021-03-11

申请号：US16962413

申请日：2019-01-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunjun PARK ,  Dongkyoon HAN ,  Jongkon BAE ,  Hongkook LEE

IPC: G09G5/10

Abstract: An electronic device is provided. The electronic device may include a display panel on which at least one pixel is disposed, a converter for applying a first voltage to the pixel to enable the pixel to emit light, a gamma circuit including a resistor string in which a plurality of resistors are connected and applying a second voltage to the converter, a logic circuit for changing a point where the resistor string and the converter are connected, and a processor electrically connected to the logic circuit.

公开(公告)号：US20210375239A1

公开(公告)日：2021-12-02

申请号：US17282270

申请日：2019-11-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jongkon BAE ,  Hanyuool KIM ,  Donghwy KIM ,  Hojin KIM ,  Hyunjun PARK ,  Yohan LEE ,  Hongkook LEE ,  Dongkyoon HAN ,  Yunpyo HONG

IPC: G09G5/38 ,  G09G3/00

Abstract: An electronic device is disclosed that includes a display, a display driver IC that drives the display, and at least one processor operationally connected with the display and the display driver IC. The display driver IC moves a display location of one or more pixel data corresponding to an image associated with at least one application from a specified point by a specified distance on an active area of the display. The at least one processor is configured to scale up a first portion of the image by a specified range based on the specified distance, scale down a second portion of the image by the specified range based on the specified distance, and display the image on the active area based on the scaled-up first portion or the scaled-down second portion. In addition, various embodiments recognized through the specification are possible.

公开(公告)号：US20210118348A1

公开(公告)日：2021-04-22

申请号：US16970229

申请日：2019-02-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunjun PARK ,  Hongkook LEE ,  Donghwy KIM ,  Dongkyoon HAN ,  Jongkon BAE

IPC: G09G3/20

Abstract: There is disclosed an electronic device including a display panel including one or more pixels, one or more gate drivers receiving electric power from a first power supply, and a display driver integrated circuit configured to drive the display panel. Any one of the one or more gate drivers is connected to a first pixel of the one or more pixels, the display driver integrated circuit includes one or more source drivers including a first source driver and at least one protection circuit connected to the first source driver, the first source driver includes one or more amplifier circuits receiving electric power from a second power supply different from the first power supply and connected to the first pixel, the at least one protection circuit is connected to a power input terminal of the one or more amplifier circuits, and at least a portion of the at least one protection circuit is branched between the second power supply and the power input terminal to be connected to a ground of the display driver integrated circuit. In addition to the above, various embodiments identified through the specification are possible.

公开(公告)号：US20200029475A1

公开(公告)日：2020-01-23

申请号：US16444456

申请日：2019-06-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunjun PARK ,  Seonghoon KIM ,  Hongkook LEE ,  Donghwy KIM ,  Jongkon BAE ,  Dongkyoon HAN

IPC: H05K9/00 ,  H05K5/00 ,  G09G3/20 ,  H05K1/18

Abstract: An electronic device is provided. The electronic device includes a display panel, a metal layer disposed on a surface of the display panel, a display driver integrated circuit (DDI) disposed on a surface of the metal layer, a bending part connecting the display panel to the DDI, and a cover member connected to the metal layer while covering the DDI. The cover member includes at least one conductive layer. The metal layer and the cover member form a space in which the DDI is disposed, and the bending part is connected to the DDI via a connection part in the space.

公开(公告)号：US20210241665A1

公开(公告)日：2021-08-05

申请号：US17049091

申请日：2019-05-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jongkon BAE ,  Hyunjun PARK ,  Donghwy KIM ,  Euntaek JANG ,  Dongkyoon HAN ,  Yunpyo HONG

IPC: G09G3/00 ,  G09G3/20

Abstract: An electronic device is provided. The electronic device includes a display panel on which a plurality of pixels are arranged, first group lines providing a source voltage to each of the plurality of pixels, a display driver integrated circuit that includes a plurality of source amplifiers electrically connected with the first group lines and providing the source voltage to each of lie plurality of pixels, at least one sensing line crossing the first group lines, and first group switches disposed on the at least one sensing line, and a sensing circuit electrically connected with one end of the at least one sensing line to check a crack in at least a partial region of the electronic device. The display driver integrated circuit receives a specified signal for the electronic device to enter a sense mode, applies a first voltage to the other end of the at least one sensing line that is distinguished from the one end of the at least one sensing line, in response to the received specified signal, turns on the first group switches such that the at least one sensing line is short-circuited from the other end of the at least one sensing line to the sensing circuit, obtains a second voltage sensed by the sensing circuit electrically connected with the one end of the at least one sensing line, and checks information regarding the crack in the at least partial region of the electronic device based on a difference between the first voltage and the second voltage. In addition to the above, various embodiments identified through the specification are possible.

公开(公告)号：US20200053868A1

公开(公告)日：2020-02-13

申请号：US16536565

申请日：2019-08-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunjun PARK ,  Hongkook LEE ,  Dongkyoon HAN

IPC: H05K1/02 ,  H05K1/18 ,  H05K1/11 ,  G09G3/3208

Abstract: Disclosed is a printed circuit board including an overvoltage controlling element and an electronic device including the same. The printed circuit board includes a first outer layer, a second outer layer, at least one inner layer stacked between the first and second outer layers, an overvoltage controlling element comprising overvoltage controlling circuitry mounted on the first outer layer and including a plurality of terminals of which a first terminal is connected to a ground, and a conductive area configured to transfer at least a part of a first voltage applied from an external power source to an external IC and to transfer a remaining part of the first voltage to the overvoltage controlling element.

公开(公告)号：US20250037665A1

公开(公告)日：2025-01-30

申请号：US18913236

申请日：2024-10-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunjun PARK ,  Donghwy KIM ,  Jongkon BAE

IPC: G09G3/3258 ,  G09G3/20

Abstract: The disclosure relates to an electronic device and a method for swapping a gamma voltage for discharging of pixels during a repair operation of a display panel. The method includes determining whether a display is in at least one prespecified abnormal state, and performing a display recovery operation, based on determining that the display is in the abnormal state, the display recovery operation including an operation of transitioning the display from an on state to an off state, and an operation of transitioning the display from the off state to the on state, wherein a device driver integrated circuit (IC) (DDI) is controlled to supply a discharge voltage for discharging the voltage of designated nodes included in a plurality of pixels, to a data line of the display before the display transitions from the off state to the on state.

公开(公告)号：US20210225331A1

公开(公告)日：2021-07-22

申请号：US17058855

申请日：2019-05-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunjun PARK ,  Harksang KIM ,  Taemoon ROH ,  Donghwy KIM ,  Hanyuool KIM ,  Jongkon BAE ,  Hongkook LEE ,  Dongkyoon HAN

IPC: G09G5/38 ,  G09G5/373 ,  G09G5/377 ,  G09G5/14 ,  G06F3/041

Abstract: An electronic device according to various embodiments may comprise: a display panel having an active area of a first designated size; and a processor. The processor may be configured to: run a designated application comprising a first application display layer set to display fixed content, and a second application display layer set to display changing content; and, while the designated application is running, and on the basis of at least the fixed content, display the first application display layer in a second designated size smaller than the first designated size, and at least temporarily move, within the active area, the first application display layer displayed in the second designated size.

公开(公告)号：US20190279597A1

公开(公告)日：2019-09-12

申请号：US16296840

申请日：2019-03-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunjun PARK ,  Dongkyoon HAN ,  Donghwy KIM ,  Jongkon BAE ,  Hongkook LEE

IPC: G09G5/00 ,  H05K5/00 ,  G01R1/20

Abstract: An electronic device is provided. The electronic device includes a display panel, a display driver integrated circuit (DDI) that drives the display panel, a first connector that is connected to the DDI and that includes a first display pin and a second display pin, the first display pin and the second display pin being connected together, a substrate, a second connector that is connected to the substrate and coupled to the first connector and that includes a first board pin and a second board pin, one of the first board pin and the second board pin being connected to a resistor, and at least one processor mounted on the substrate and configured to determine at least one of a coupled state of the first connector and the second connector or a state of the DDI, based on a signal received from the first board pin or the second board pin.

公开(公告)号：US20190259341A1

公开(公告)日：2019-08-22

申请号：US16281514

申请日：2019-02-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyunjun PARK ,  Dongkyoon HAN ,  Hanyuool KIM ,  Seungkyu CHOI

IPC: G09G3/3283 ,  G09G3/3233

Abstract: An electronic device according to an embodiment of the present disclosure includes a display including at least one pixel, a memory configured to store a first current value flowing through the pixel at a first time point, a power management integrated circuit (PMIC) configured to supply pixel power to the pixel, and a processor operatively connected to the memory and the PMIC.