公开(公告)号：US11782094B2

公开(公告)日：2023-10-10

申请号：US18099422

申请日：2023-01-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kaeweon You ,  Jeonghyun Park ,  Jinho Kim

IPC: G01R31/367 ,  G01R31/36 ,  G01R31/392 ,  G01R31/3842

CPC classification number: G01R31/367 ,  G01R31/3648 ,  G01R31/3842 ,  G01R31/392

Abstract: A battery state estimation method includes acquiring an initial value of a vector-type parameter for modeling an electrochemical-thermal (ECT) model of a battery, extracting a predetermined point from the vector-type parameter based on the initial value, generating a target parameter based on the predetermined point, to minimize an error between an actual state of the battery and a state of the battery acquired from the ECT model, and estimating the state of the battery based on the target parameter.

公开(公告)号：US11594456B2

公开(公告)日：2023-02-28

申请号：US17561220

申请日：2021-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Youngki Jung ,  Jinho Kim ,  Sangmin Shin ,  Changjoon Lee

IPC: H01L25/16 ,  H01L27/12 ,  H01L21/66

Abstract: A display module including a glass substrate; a thin film transistor layer disposed in a first area of the glass substrate; a plurality of connection pads disposed in a second area extending from the first area of the glass substrate and electrically connected to the thin film transistor layer; a plurality of test pads disposed in a third area extending from the second area of the glass substrate and electrically connected to the plurality of connection pads, respectively, and a plurality of connection wirings electrically connecting the plurality of connection pads and the plurality of test pads.

公开(公告)号：US20220319397A1

公开(公告)日：2022-10-06

申请号：US17552083

申请日：2021-12-15

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

Inventor： Jinho Kim ,  Yong-Sang Kim ,  Donggun Oh ,  Eun Kyo Jung ,  Jungwoo Lee

IPC: G09G3/32

Abstract: A display apparatus includes display panel including a pixel array in which pixels, each of which including a plurality of inorganic light emitting elements, are disposed in a plurality of row lines, and sub pixel circuits corresponding to inorganic light emitting elements of the pixel array, a driving unit configured to set an image data voltage sequentially to the sub pixel circuits based on a first driving voltage, and drive the sub pixel circuits so that a driving current corresponding to the set image data voltage is provided sequentially to the inorganic light emitting elements of the pixel array based on a second driving voltage; a sensing unit configured to sense a current flowing through a driving transistor included in each of the sub pixel circuits based on a specific voltage which is applied to the sub pixel circuits, and output sensing data corresponding to the sensed current; and a correction unit configured to correct an image data voltage to be applied to each of the sub pixel circuits based on the sensing data, wherein the first driving voltage and the second driving voltage are applied to the sub pixel circuits through a first wiring and a second wiring, respectively, the first wiring and the second wiring being separate wirings.

公开(公告)号：US11449644B2

公开(公告)日：2022-09-20

申请号：US16947550

申请日：2020-08-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Byungjoon Jeon ,  Gimin Kim ,  Kihyung Kim ,  Jinho Kim ,  Isaac Lee ,  Jaehoon Jung ,  Hyungchul Jung ,  Nohik Heo

IPC: G06F11/30 ,  G06F21/79 ,  G06F21/60 ,  G06F21/64 ,  G06F11/14 ,  G06F11/07 ,  G06F12/14

Abstract: An electronic device includes a memory and a processor. The memory includes a data partition, a key storage partition, and a key backup partition. The processor operatively connected to the memory. The processor is configured to generate an encryption key with respect to at least one data folder generated in the data partition to store the encryption key in the key storage partition. The processor is also configured to store a backup encryption key equal to the encryption key, in the key backup partition. The processor is further configured to store an integrity file including a checksum of the encryption key in the key backup partition.

公开(公告)号：US11320963B2

公开(公告)日：2022-05-03

申请号：US16953951

申请日：2020-11-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sukun Yoon ,  Jinho Kim ,  Cheulhee Hahm

IPC: G06F3/0482 ,  G06F3/04847 ,  G06F13/10 ,  H04W12/06 ,  G08C23/04

Abstract: A display device includes a display, a communicator comprising communication circuitry configured to search for one or more peripheral devices, a memory storing one or more instructions, and a processor configured to execute the one or more instructions stored in the memory, wherein the processor is further configured to execute the one or more instructions to: control the display to display one or more found peripheral devices, and based on receiving a network setting request regarding a first peripheral device of the one or more found peripheral devices, generate a Quick Response (QR) code including connection information about the first peripheral device, control the display to display the QR code, and based on the network setting of the first peripheral device being completed through the QR code, control the first peripheral device through a set network.

公开(公告)号：US11262407B2

公开(公告)日：2022-03-01

申请号：US16857377

申请日：2020-04-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeonghyun Park ,  Kaeweon You ,  Jinho Kim

IPC: G01R31/367 ,  G01R31/392 ,  G01R31/36 ,  G06F17/11 ,  G01R31/3835 ,  G01R31/374

Abstract: A method with battery state estimation may include: generating a plurality of electrochemical-thermal (ECT) models corresponding to modeling conditions based on an arbitrary parameter of an ECT model configured to perform modeling of a battery; determining a target parameter of the ECT model based on an error between an actual state of the battery and a model-derived state of the battery obtained by a parallel operation of the plurality of ECT models; and estimating a state of the battery based on the target parameter.

公开(公告)号：US20210304670A1

公开(公告)日：2021-09-30

申请号：US17344346

申请日：2021-06-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tetsuya SHIGETA ,  Jinho Kim ,  Sangyoung Park ,  Hoseop Lee

IPC: G09G3/32

Abstract: A display panel includes a plurality of pixels arranged in a matrix, the plurality of pixels respectively including a plurality of sub pixels. The plurality of sub pixels respectively includes a light emitting element, and a PWM pixel circuit configured to control a light emitting duration of the light emitting element, based on a pulse width modulation (PWM) data voltage and a sweep voltage. A plurality of PWM pixel circuits included in the display panel are driven, for each of row lines of the plurality of pixels, in an order of a data setting period for setting the PWM data voltage and then a light emitting period in which the light emitting element emits light during a duration corresponding to the set PWM data voltage according to a change of the sweep voltage.

公开(公告)号：US20210266198A1

公开(公告)日：2021-08-26

申请号：US17039709

申请日：2020-09-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hongsik Yoon ,  Jungmin Park ,  Jinho Kim ,  Youngseok Jung

IPC: H04L25/02 ,  H04L5/00 ,  H04W72/04

Abstract: The present disclosure relates to a channel estimation method of a wireless communication device. The channel estimation method includes descrambling a pilot signal having a unit symbol, dividing the descrambled pilot signal, and estimating a channel value of the wireless communication device. The descrambled pilot signal may be divided into a plurality of frequency resources with a first frequency resource and a second frequency resource and generating a first signal chunk with the first frequency resource and a second signal chunk with the second frequency resource. The channel value of the wireless communication device may be estimated based on the first signal chunk and the second signal chunk.

公开(公告)号：US11100840B2

公开(公告)日：2021-08-24

申请号：US16832923

申请日：2020-03-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jinho Kim ,  Sangmin Shin ,  Youngki Jung

IPC: G09G3/20 ,  G09G3/32

Abstract: A display panel including a plurality of pixels is provided. The display panel includes: a plurality of light emitting elements configured to constitute each pixel of the plurality of pixels; and a plurality of pixel circuits respectively corresponding to the plurality of light emitting elements and configured to drive the plurality of light emitting elements, wherein the plurality of pixel circuits includes a first pixel circuit for pulse width modulation (PWM)-driving a first light emitting element among the plurality of light emitting elements and a second pixel circuit for pulse amplitude modulation (PAM)-driving a second light emitting element among the plurality of light emitting elements.

公开(公告)号：US11088558B2

公开(公告)日：2021-08-10

申请号：US16919559

申请日：2020-07-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Daeryong Jung ,  Jinho Kim ,  Myung Hoon Kim ,  Young Hun Sung ,  Duk Jin Oh ,  Ju Wan Lim

IPC: H02J7/00 ,  H01M10/0525 ,  H01M10/44 ,  B60L53/14 ,  B60L58/12 ,  G01R31/367 ,  B60L53/10

Abstract: A battery charging method and apparatus are provided. The battery charging apparatus receives a desired charging time of a battery, generates charging currents of charging steps to charge the battery based on the desired charging time, acquires a charging limit condition including an internal state condition and a maximum charging time for each of the charging steps based on the desired charging time and an electrochemical model of the battery, and generates a charging profile including the charging currents and charging times of the charging currents based on the charging limit condition.