公开(公告)号：US12190784B2

公开(公告)日：2025-01-07

申请号：US17983049

申请日：2022-11-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Juseok Lee ,  Minwoo Lee ,  Seoyoung Lee

IPC: G09G3/20

Abstract: A display device including a display panel and a display driving circuit to control the display panel are provided. The display driving circuit includes a light emitting control driver to input a light emitting signal for controlling the brightness of the display panel into the display panel. When a light emitting control signal including a plurality of pulses is input into the light emitting control driver to control the light emitting signal, and when the operating frequency of the light emitting control signal is changed, pulse widths corresponding to at least two pulses of pulses included in the light emitting control signal may be adjusted to differ from each other in a frame after the target time point to change the operating frequency.

公开(公告)号：US12087199B2

公开(公告)日：2024-09-10

申请号：US18356766

申请日：2023-07-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minwoo Lee ,  Kwangtai Kim ,  Seungryeol Kim ,  Donghyun Yeom ,  Seoyoung Lee ,  Juseok Lee

IPC: G06F3/041 ,  G09G3/20

CPC classification number: G09G3/20 ,  G09G2330/021 ,  G09G2340/0435 ,  G09G2354/00 ,  G09G2360/18 ,  G09G2370/00

Abstract: An electronic device is provided. The electronic device includes a display including an output area divided into a plurality of blocks, a display driving integrated (DDI) circuit configured to drive the display. and a processor electrically connected to the DDI circuit, wherein the processor is configured to obtain information about a content area of the output area, the content area displaying the at least one piece of content, based on the obtained information, classify the plurality of blocks into first group blocks, second group blocks, and third group blocks, and in order to display the at least one piece of content on the display, control the DDI circuit.

公开(公告)号：US11468833B2

公开(公告)日：2022-10-11

申请号：US17267384

申请日：2021-01-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minwoo Lee ,  Seungryeol Kim ,  Seungjin Kim ,  Junghyun Kim ,  Byungduk Yang ,  Gwanghui Lee ,  Seoyoung Lee ,  Juseok Lee ,  Woojun Jung

IPC: G09G3/3225 ,  G09G3/20

Abstract: An electronic device is provided. The electronic device includes a display panel and a display driver integrated circuit configured to drive the display panel. The display driver integrated circuit is configured to determine a luminance value of the display panel if a request for a change from a current driving frequency of the display panel to a target driving frequency is received, and determine at least one intermediate driving frequency between the current driving frequency and the target driving frequency depending on the luminance value of the display panel.

公开(公告)号：US11810505B2

公开(公告)日：2023-11-07

申请号：US17882492

申请日：2022-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minwoo Lee ,  Seoyoung Lee ,  Juseok Lee ,  Youngdo Kim ,  Sungha Park ,  Woonbo Yeo

IPC: G09G3/3225 ,  G09G3/20

CPC classification number: G09G3/3225 ,  G09G3/20 ,  G09G2310/0267 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2320/0276 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0673 ,  G09G2330/021 ,  G09G2330/028 ,  G09G2340/0435 ,  G09G2360/16

Abstract: An electronic device may include a display panel, a display driver IC (integrated circuit) and a processor, wherein the display driver IC may set an output time (horizontal time) of one of lines constituting the display panel to a first time period, set a number of vertical blank lines for the display panel to a first number, drive the display panel at a first refresh rate corresponding to the first time period and the first number of the vertical blank lines, receive a control signal for changing from the first refresh rate to a second refresh rate from the processor, and set the output time to a second time period or set the number of the vertical blank lines to a second number and drive the display panel based on the control signal, and wherein the display panel may be driven at a second refresh rate while the second time period and the second number of vertical blank lines are being set.

公开(公告)号：US11727847B2

公开(公告)日：2023-08-15

申请号：US17859112

申请日：2022-07-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seoyoung Lee ,  Minwoo Lee ,  Donghyun Yeom ,  Kwangtai Kim ,  Minwoo Kim ,  Seungryeol Kim ,  Juseok Lee

IPC: G09G3/20

CPC classification number: G09G3/2007 ,  G09G2320/0233 ,  G09G2320/046 ,  G09G2320/0673 ,  G09G2360/144 ,  G09G2360/16

Abstract: Certain embodiments relate to an electronic device and a method for changing gamma values and may include determining a target gamma curve related to first image data to be displayed by a display panel, receiving a request for switching a scan rate of the display panel from a first frequency to a second frequency, determining a gamma offset and an offset margin in response to reception of the request, determining a limit gamma curve generated by applying the gamma offset and the offset margin to the first gamma curve, generating second image data by correcting the first image data, based on a difference value between the limit gamma curve and the target gamma curve to map the first image data to the target gamma curve, and driving the display panel, based on the second image data and the limit gamma curve. This document may further include various other embodiments.

公开(公告)号：US12176603B2

公开(公告)日：2024-12-24

申请号：US18061665

申请日：2022-12-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sumin Yun ,  Kookjoo Lee ,  Minwoo Lee ,  Juseok Lee ,  Wonhee Choe ,  Hosaeng Kim ,  Jinwoo Jung ,  Jaebong Chun ,  Hochul Hwang

IPC: H01Q1/46 ,  H01Q1/24 ,  H01Q1/38

Abstract: An electronic device may include a display panel, a conductive pattern panel disposed on the display panel, an antenna pattern formed in a second region of the conductive pattern panel, a first dummy pattern including a plurality of conductive lines, a wireless communication circuit electrically connected to the antenna pattern, and at least one processor electrically connected to the display panel, the conductive pattern panel, and the wireless communication circuit, and the at least one processor may be configured to receive a radio frequency (RF) signal at least by using the antenna pattern and/or the wireless communication circuit.

公开(公告)号：US11967263B2

公开(公告)日：2024-04-23

申请号：US18153657

申请日：2023-01-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minwoo Lee ,  Seungryeol Kim ,  Seoyoung Lee ,  Juseok Lee

IPC: G09G3/20

CPC classification number: G09G3/2011 ,  G09G2320/0233 ,  G09G2320/0276 ,  G09G2320/0626 ,  G09G2320/0673

Abstract: An instruction of an electronic device is provided. The instruction of the electronic device, when executed by a processor, causes a display panel to be operated using one of a first gamma set corresponding to a first operating frequency and a second gamma set corresponding to a second operating frequency, each of the first gamma set and the second gamma set comprises gamma voltage values for each luminance and gradation, the first gamma set and the second gamma set include the same gamma voltage value in a first gradation range of a first luminance so as to have the substantially same optical characteristic when the operating frequency changes, the first gamma set and the second gamma set include the same gamma voltage value in a second gradation range of a second luminance, and the first gradation range and the second gradation range are different from each other.

公开(公告)号：US11842670B2

公开(公告)日：2023-12-12

申请号：US18086007

申请日：2022-12-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seoyoung Lee ,  Minwoo Lee ,  Juseok Lee

IPC: G09G3/20 ,  G09G5/39

CPC classification number: G09G3/2096 ,  G09G5/39 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2340/0435 ,  G09G2360/18

Abstract: An electronic device is provided. The electronic device includes a memory, a display driver integrated circuit (DDIC), a display, and a processor that generates an image frame, transmits the image frame to the DDIC, and controls the DDIC to drive the display based on the image frame. The DDIC outputs a first timing signal at a first frame period, outputs a second timing signal at a second frame period longer than the first frame period when the reception of the image frame is delayed, and outputs a third timing signal at a third frame period longer than the first frame period and shorter than the second frame period when the image frame is not received for a designated reference time after the second timing signal is output.

公开(公告)号：US11688341B2

公开(公告)日：2023-06-27

申请号：US17944584

申请日：2022-09-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Minwoo Lee ,  Seungryeol Kim ,  Seungjin Kim ,  Junghyun Kim ,  Byungduk Yang ,  Gwanghui Lee ,  Seoyoung Lee ,  Juseok Lee ,  Woojun Jung

IPC: G09G3/3225 ,  G09G3/20

CPC classification number: G09G3/3225 ,  G09G3/20 ,  G09G2310/0267 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2320/0276 ,  G09G2320/0606 ,  G09G2320/0626 ,  G09G2320/0673 ,  G09G2330/021 ,  G09G2330/028 ,  G09G2340/0435 ,  G09G2360/16

Abstract: An electronic device is provided. The electronic device includes a display panel and a display driver integrated circuit configured to drive the display panel. The display driver integrated circuit is configured to determine a luminance value of the display panel if a request for a change from a current driving frequency of the display panel to a target driving frequency is received, and determine at least one intermediate driving frequency between the current driving frequency and the target driving frequency depending on the luminance value of the display panel.

公开(公告)号：US11749173B2

公开(公告)日：2023-09-05

申请号：US17860716

申请日：2022-07-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungryeol Kim ,  Minwoo Lee ,  Kwangtai Kim ,  Donghwy Kim ,  Donghyun Yeom ,  Seoyoung Lee ,  Juseok Lee

IPC: G09G3/20 ,  G06F3/041 ,  G06V40/13 ,  G06F3/023 ,  G06F3/0354

CPC classification number: G09G3/2096 ,  G06F3/0416 ,  G06F3/023 ,  G06F3/03545 ,  G06F2203/04108 ,  G06V40/13 ,  G09G2354/00 ,  G09G2370/00

Abstract: An electronic device that quickly updates a screen when receiving an input from a peripheral device is provided. The electronic device includes a display driver integrated circuit (DDIC) configured to output a tearing effect (TE) signal having a designated frequency, and a processor configured to control the peripheral device, a display, and the DDIC and to transmit image data to the DDIC in response to the TE signal, wherein the DDIC is configured to output the TE signal at a first frequency, receive an interrupt signal from the peripheral device while the TE signal is output at the first frequency, output the TE signal at a second frequency in response to the interrupt signal, the second frequency being greater than the first frequency, receive image data updated by the processor based on the TE signal output at the second frequency, and drive the display to display the received image data.