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公开(公告)号：US20180061309A1
公开(公告)日：2018-03-01
申请号：US15690831
申请日：2017-08-30
Inventor： Jong Kon BAE , Dong Hwy KIM , Sang Woo KIM , Jung Hee YUN , Yo Han LEE , Dong Kyoon HAN , Yun Pyo HONG , Hong Kook LEE
CPC classification number: G09G3/2096 , G04G3/04 , G04G7/00 , G04G7/026 , G04R40/06 , G09G5/003 , G09G5/006 , G09G5/12 , G09G2310/08 , G09G2340/0435 , G09G2360/12
Abstract: An electronic device is provided. The electronic device may include a display, a processor operatively connected with the display and configured to generate external reference time information, a display driver integrated circuit configured to periodically or randomly receive the external reference time information from the processor, wherein the display driver integrated circuit is configured to generate internal time information based on an internal clock, to output a clock image corresponding to the internal time information on the display, and if a time error between the external reference time information and the internal time information occurs during the outputting of the clock image, to output the internal time information, the time error of which is corrected, on the display.
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公开(公告)号：US20240258938A1
公开(公告)日：2024-08-01
申请号：US18415500
申请日：2024-01-17
Applicant: CREPAS TECHNOLOGIES CO., LTD.
Inventor： Sung Jun Joo , Chang Jun Oh
IPC: H02N2/06
CPC classification number: H02N2/067
Abstract: The present disclosure relates to an SIDM piezo actuator driving apparatus and a method thereof, and the present disclosure provides an apparatus and a method for driving the SIDM piezo actuator capable of reducing heat generation and power consumption by removing the inrush current into the piezo actuator and capable of improving the vibration speed by increasing the applied voltage.
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公开(公告)号：US10923021B2
公开(公告)日：2021-02-16
申请号：US16876168
申请日：2020-05-18
Inventor： Jong Kon Bae , Dong Hwy Kim , Sang Woo Kim , Jung Hee Yun , Yo Han Lee , Dong Kyoon Han , Yun Pyo Hong , Hong Kook Lee
Abstract: An electronic device is provided. The electronic device may include a display, a processor operatively connected with the display and configured to generate external reference time information, a display driver integrated circuit configured to periodically or randomly receive the external reference time information from the processor, wherein the display driver integrated circuit is configured to generate internal time information based on an internal clock, to output a clock image corresponding to the internal time information on the display, and if a time error between the external reference time information and the internal time information occurs during the outputting of the clock image, to output the internal time information, the time error of which is corrected, on the display.
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公开(公告)号：US20200279522A1
公开(公告)日：2020-09-03
申请号：US16876168
申请日：2020-05-18
Inventor： Jong Kon BAE , Dong Hwy KIM , Sang Woo KIM , Jung Hee YUN , Yo Han LEE , Dong Kyoon HAN , Yun Pyo HONG , Hong Kook LEE
Abstract: An electronic device is provided. The electronic device may include a display, a processor operatively connected with the display and configured to generate external reference time information, a display driver integrated circuit configured to periodically or randomly receive the external reference time information from the processor, wherein the display driver integrated circuit is configured to generate internal time information based on an internal clock, to output a clock image corresponding to the internal time information on the display, and if a time error between the external reference time information and the internal time information occurs during the outputting of the clock image, to output the internal time information, the time error of which is corrected, on the display.
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