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公开(公告)号：US11853219B2
公开(公告)日：2023-12-26
申请号：US17496028
申请日：2021-10-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Minwoo Kim , Daekyu Park
IPC: G06F12/0862
CPC classification number: G06F12/0862 , G06F2212/602
Abstract: A storage controller includes a prefetch buffer configured to buffer data prefetched from a non-volatile memory during a prefetch operation, a determiner circuit configured to output one of the prefetched data and normal data read from the non-volatile memory, as read data, and a prefetch control circuit configured to enable the prefetch operation during a first time when a sequential read operation is performed on the non-volatile memory, disable the prefetch operation at a second point after the first time, and enable the prefetch operation or maintain the disable of the prefetch operation according to performance of the read data in a prefetch suspend period after the second time in which the prefetch operation is disabled.
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公开(公告)号：US11893956B2
公开(公告)日：2024-02-06
申请号：US18100069
申请日：2023-01-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Gwanghui Lee , Minwoo Lee , Seungjin Kim , Woojun Jung , Kwonsoo Kim , Kimyung Lee , Minwoo Kim
CPC classification number: G09G5/001 , G06F3/0416 , G09G5/003 , G09G2310/0245
Abstract: An electronic device includes a display including a plurality of pixels; a display driver configured to provide a data voltage to the plurality of pixels of the display; and a processor configured to: obtain frequency change-based event information, determine a first frequency and a second frequency higher than the first frequency based on the frequency change-based event information, the first frequency being a target value of a refresh frequency, and provide frame data to the display driver, wherein the processor is further configured to control the display driver to: set a frame section in which the display is driven, during a first frame, generate the data voltage based on the frame data and provide the data voltage to the plurality of pixels, and during a low-frequency driving section, in which the frame data is not obtained, after the first frame, refresh an image based on the second frequency and refresh the image based on the first frequency.
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公开(公告)号：US11519958B2
公开(公告)日：2022-12-06
申请号：US17142438
申请日：2021-01-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Minwoo Kim , Jinho Choi
IPC: G01R31/28
Abstract: A semiconductor module inspection device is provided. The semiconductor module inspection device includes a receiver to store semiconductor modules; a loader to receive a semiconductor module from the receiver; a testing unit to receive the semiconductor module from the loader and perform a test process on the semiconductor module; an unloader to receive the semiconductor module from the testing unit and provide the semiconductor module from the testing unit to the receiver; and robots for transporting the semiconductor module. The robots include: a first robot to transport the semiconductor module from the receiver to the loader, a second robot to transport the semiconductor module from the loader to the testing unit, a third robot to transport the semiconductor module from the testing unit to the unloader, and a fourth robot to transport the semiconductor module from the unloader to the receiver.
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公开(公告)号：US20240421709A1
公开(公告)日：2024-12-19
申请号：US18678387
申请日：2024-05-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Minwoo Kim , Hyungju Park , Minyong Jung
Abstract: An electronic circuit includes a buck-boost converter and controller. The converter includes an inductive element, a plurality of switches and a plurality of drivers therein, and is configured to generate an output voltage in response to an input voltage. The controller configured to: (i) generate a ramp signal having a reset timing that is delayed as the input voltage decreases, (ii) generate a sensing voltage having a magnitude that is a function of a magnitude of an inductor current in the inductive element, (iii) generate a feedback voltage having a magnitude that is a function of a magnitude of the output voltage, (iv) generate a compensation voltage in response to the feedback voltage and a reference voltage, and (v) uniformly maintain the compensation voltage based on the ramp signal and the sensing voltage, and independent of any change in the input voltage.
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公开(公告)号：US12040714B2
公开(公告)日：2024-07-16
申请号：US18130006
申请日：2023-04-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyosang Youn , Minwoo Kim , Hyungju Park , Deokgi Lee , Changseok Chae
CPC classification number: H02M3/1582 , H02M3/18
Abstract: A switching regulator generates an output voltage from an input voltage and includes; a charge sharing circuit that selectively forms one of a first charge sharing path between a first flying capacitor and a second bootstrap capacitor and a second charge sharing path between a second flying capacitor and a first bootstrap capacitor based on first and second conversion modes.
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Patent Agency Ranking
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.
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公开(公告)号：US09625977B2
公开(公告)日：2017-04-18
申请号：US14569371
申请日：2014-12-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Minwoo Kim
CPC classification number: G06F1/3265 , G06F1/3237 , G06F1/3287 , G06F3/0416 , G09G3/20 , G09G3/36 , G09G5/003 , G09G2310/061 , G09G2330/021 , G09G2330/022 , G09G2360/08 , Y02D10/128 , Y02D10/153 , Y02D10/171
Abstract: A screen display control method includes a screen change operation, which includes, in response to a screen change request, outputting data of a screen to be changed, to a display unit and predicting a next screen change cycle, and an operation of switching into a power saving mode when there is no screen change request. An electronic device includes an event generation unit configured to generate a screen change event, a display unit configured to receive screen change data and change a displayed screen, and a controller configured to in response to a detected screen change event, output data of a screen to be changed, to the display unit, predict a next screen change cycle, and switch into a power saving mode when there is no screen change request.
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公开(公告)号：US11862125B2
公开(公告)日：2024-01-02
申请号：US18104965
申请日：2023-02-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Gwanghui Lee , Minwoo Lee , Minwoo Kim , Seungjin Kim , Woojun Jung
CPC classification number: G09G5/12 , G09G2320/0626 , G09G2340/0435
Abstract: On an electronic device which includes a display device comprising a display driving circuit, a processor, and a memory a method for changing a refresh rate of the display device includes: changing at least one of a first parameter, a second parameter, or a third parameter in response to identifying the occurrence of at least one of a scan rate change request or a change in scan rate change restriction, and applying the changed parameter among the first parameter, the second parameter, and the third parameter. The first parameter is the frequency of a first synchronization signal generated in the display driving circuit, the second parameter is the increase or decrease in a blank area to substitute for a portion of active video area in frame information, and the third parameter is the frequency of a second synchronization signal for rendering.
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公开(公告)号：US11328661B2
公开(公告)日：2022-05-10
申请号：US17161800
申请日：2021-01-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Gwanghui Lee , Seungjin Kim , Minwoo Kim , Seoyoung Lee , Woojun Jung
IPC: G09G5/18 , G09G3/3225
Abstract: In accordance with certain embodiments, an electronic device comprises: a memory; a display; and a processor operatively connected with the memory, wherein the processor is configured to: identify a target refresh rate and a current refresh rate of the display; and change the refresh rate of the display to a first refresh rate between the current refresh rate and the target refresh rate before changing the refresh rate of the display to the target refresh rate.
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公开(公告)号：US11621639B2
公开(公告)日：2023-04-04
申请号：US17329226
申请日：2021-05-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyosang Youn , Minwoo Kim , Hyungju Park , Deokgi Lee , Changseok Chae
Abstract: A switching regulator generates an output voltage from an input voltage and includes; a charge sharing circuit that selectively forms one of a first charge sharing path between a first flying capacitor and a second bootstrap capacitor and a second charge sharing path between a second flying capacitor and a first bootstrap capacitor based on first and second conversion modes.
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