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11.
公开(公告)号:US20230169911A1
公开(公告)日:2023-06-01
申请号:US18071177
申请日:2022-11-29
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Jiajhang Wu , Jangjin Nam , Dongmyung Lee , Minsung Kim
IPC: G09G3/20
CPC classification number: G09G3/2096 , G09G2310/0254 , G09G2310/0291
Abstract: The present application provides a method for controlling an offset voltage in a display device, a display device and a storage medium. The method for controlling an offset voltage in a display device comprises: generating a chopper signal based on at least one of a data output control signal and a polarity inversion control signal; and, controlling, according the chopper signal, the polarity of an offset voltage of an operational amplifier in the display device, so that the offset voltage is equivalently eliminated within at least one of a design space range and a design time range. By using the control method of the present application, without using large-size transistors and providing more signals, the display effect can be ensured and the size of the chip can also be reduced.
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公开(公告)号:US12199614B2
公开(公告)日:2025-01-14
申请号:US18081922
申请日:2022-12-15
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Xiaoheng Zhang , Jiajhang Wu , Haohao Zhang
IPC: H03K19/0175 , H03K3/356 , H03K19/0185 , H03M1/66
Abstract: The present application provides a level shift circuit, an integrated circuit, and an electronic device. The level shift circuit comprises: an input module, configured to output a first control signal according to a first power supply voltage signal, first and second input voltages, inverted voltages of the first and second input voltages that received; a control voltage generation module, configured to receive the first control signal, and generate a plurality of node voltages according to the first control signal and a second power supply voltage signal; and output control modules, configured to generate first to fourth output signals according to the node voltages and the first power supply voltage signal, or generate fifth to eighth output signals according to the second power supply voltage signal and the node voltages.
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公开(公告)号:US20230386389A1
公开(公告)日:2023-11-30
申请号:US18147997
申请日:2022-12-29
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Jangjin NAM , Dongmyung LEE , Donghoon BAEK , Daejoon LEE
IPC: G09G3/20
CPC classification number: G09G3/2096 , G09G2320/0693 , G09G2370/08 , G09G2310/0275 , G09G2330/021
Abstract: Provided is a data transmission method in a timing controller. The data transmission method includes sending clock calibration data to a source driver chip, wherein the clock calibration data instructs the source driver chip to perform a clock calibration; successively sending, in response to completing the clock calibration by the source driver chip, a first identification code and an initialization control instruction to the source driver chip over a data channel, wherein the first identification code indicates a start of transmission of the initialization control instruction, and the initialization control instruction comprises configuration information, the configuration information instructing the source driver chip to perform a configuration on a physical layer parameter; and successively sending a link stable pattern and display data to the source driver chip.
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公开(公告)号:US20230290292A1
公开(公告)日:2023-09-14
申请号:US18169942
申请日:2023-02-16
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Dongmyung LEE , Donghoon BAEK , Jangjin NAM , Enwei NI
IPC: G09G3/20
CPC classification number: G09G3/2074 , G09G3/2096 , G09G2310/0275 , G09G2300/0452 , G09G2330/021
Abstract: A control method for a data driver, a control method for a timing controller, a data driver control apparatus, a timing controller, an electronic device, and a storage medium are provided. The control method for the data driver includes: obtaining m data comparison signals respectively, where among the m data comparison signals, an i-th data comparison signal represents a comparison relationship between first display data for enabling an i-th group of sub-pixels in the first pixel row to display and second display data for enabling an i-th group of sub-pixels in the second pixel row to display, and in time, the second pixel row is driven to display after the first pixel row is driven to display, where i is an integer, and 0
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公开(公告)号:US20230244259A1
公开(公告)日:2023-08-03
申请号:US18145510
申请日:2022-12-22
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Hao Fan , Dongmyung Lee , Jangjin Nam , Donghoon Baek , Zhengbei Hua
IPC: G05F1/575 , G05F1/59 , G05F1/46 , H03K19/094
CPC classification number: G05F1/575 , G05F1/59 , G05F1/468 , G05F1/462 , H03K19/094
Abstract: The voltage regulator comprises: a voltage regulation circuit, a detection circuit and at least one current source unit. An output terminal of the voltage regulation circuit is electrically connected to a first terminal of each of the current source units, and is configured to be electrically connected to a load; and a second terminal of each of the current source units is electrically connected to a first voltage terminal. The detection circuit is electrically connected to the voltage regulation circuit, and is configured to: when the voltage regulation circuit is in a light-load state, control a designed number of the current source units to connect to the output terminal of the voltage regulation circuit to output designed current, and when the voltage regulation circuit is in a heavy-load state, control each of the current source units to disconnect from the output terminal of the voltage regulation circuit.
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公开(公告)号:US20230231557A1
公开(公告)日:2023-07-20
申请号:US18147500
申请日:2022-12-28
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Jiajhang Wu , Sangmin Park , Minsung Kim
IPC: H03K19/003 , H03K19/0185 , G09G3/36
CPC classification number: H03K19/00315 , H03K19/018521 , G09G3/36 , G09G2310/0289 , G09G2330/021 , G09G2300/0823 , G09G2310/08
Abstract: Embodiments of the disclosure provide a level shift circuit, a chip and a display device. By setting first and second voltage clamping modules, and by adjusting first clamping voltage by controlling bias voltage input to the first voltage clamping module and adjusting second clamping voltage by controlling bias voltage and second bias voltage input to the second voltage clamping module, respective operating and output voltages of the first and the second voltage clamping modules and the shift module are within small range. Therefore, even the level shift circuit is designed by using devices with breakdown voltage lower than the difference between the first and second power supply voltages, the devices in the level shift circuit may be avoid being breakdown. Accordingly, some process platforms that cannot produce high-breakdown voltage devices may produce chips including the level shift circuit in the embodiment, and the restrictions on the process platform are reduced.
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公开(公告)号:US12206408B2
公开(公告)日:2025-01-21
申请号:US18147500
申请日:2022-12-28
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Jiajhang Wu , Sangmin Park , Minsung Kim
IPC: H03K19/003 , G09G3/36 , H03K19/0185
Abstract: Embodiments of the disclosure provide a level shift circuit, a chip and a display device. By setting first and second voltage clamping modules, and by adjusting first clamping voltage by controlling bias voltage input to the first voltage clamping module and adjusting second clamping voltage by controlling bias voltage and second bias voltage input to the second voltage clamping module, respective operating and output voltages of the first and the second voltage clamping modules and the shift module are within small range. Therefore, even the level shift circuit is designed by using devices with breakdown voltage lower than the difference between the first and second power supply voltages, the devices in the level shift circuit may be avoid being breakdown. Accordingly, some process platforms that cannot produce high-breakdown voltage devices may produce chips including the level shift circuit in the embodiment, and the restrictions on the process platform are reduced.
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公开(公告)号:US20240412674A1
公开(公告)日:2024-12-12
申请号:US18808420
申请日:2024-08-19
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Jangjin NAM , Dongmyung LEE , Donghoon BAEK , Daejoon LEE
Abstract: A drive control method applicable to a timing controller and a drive circuit are provided. The timing controller includes: M signal output terminals, wherein the M signal output terminals are respectively connected to M signal input terminals corresponding to M source driver chips; the timing controller includes a controller, a timing transmission circuit, and a pull-down circuit. The controller is configured to control the timing transmission circuit and the pull-down circuit, such that the M signal output terminals are connected to ground in a first phase, the M source driver chips are in a low power consumption mode in the case that the M signal input terminals are connected to ground, and the first phase indicates a phase in which the M source driver chips are expected to enter the low power consumption mode.
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公开(公告)号:US12118918B2
公开(公告)日:2024-10-15
申请号:US18147204
申请日:2022-12-28
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Jangjin Nam , Dongmyung Lee , Donghoon Baek , Daejoon Lee
IPC: G09G3/20
CPC classification number: G09G3/2096 , G09G2370/08
Abstract: Provided is a method for transmitting data. The method includes: transmitting equalization matching data to a source driver chip upon sending a link stable pattern to the source driver chip, wherein the equalization matching data is configured for the source driver chip to determine a target equalization gain, and perform gain compensation, based on the target equalization gain, on display data from the timing controller; and transmitting the display data to the source driver chip in response to a first condition being met, wherein the first condition is that the source driver chip determines the target equalization gain.
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公开(公告)号:US20230386427A1
公开(公告)日:2023-11-30
申请号:US18147219
申请日:2022-12-28
Applicant: Beijing ESWIN Computing Technology Co., Ltd. , Hefei ESWIN Computing Technology Co., Ltd.
Inventor: Jangjin NAM , Dongmyung LEE , Donghoon BAEK , Daejoon LEE
IPC: G09G5/00
CPC classification number: G09G5/003 , G09G2370/04
Abstract: Provided is a data transmission method, including: sending clock calibration data to a source driver chip, wherein the clock calibration data instructs the source driver chip to perform clock calibration; sending first configuration information to the source driver chip over a data channel in response to completing the clock calibration by the source driver chip, wherein the first configuration information instructs the source driver chip to perform a configuration on a physical layer parameter; and successively sending a link stable pattern and display data to the source driver chip.
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