公开(公告)号：US11983364B2

公开(公告)日：2024-05-14

申请号：US17763385

申请日：2021-01-21

Applicant: HiDeep Inc.

Inventor： Seyeob Kim ,  Bonkee Kim ,  Youngho Cho ,  Hyoungwook Woo ,  Kiryoung Jung ,  Hwanhee Lee ,  Wonwoo Lee ,  Kyeonghan Park ,  Sein Lee ,  Jeongwon Seo ,  Jongsik Kim ,  Inuk Jeong ,  Hojun Moon ,  Beomkyu Ko

IPC: G06F3/041 ,  G06F3/0354 ,  G06F3/038 ,  G06F3/044

CPC classification number: G06F3/04184 ,  G06F3/03545 ,  G06F3/0383 ,  G06F3/04162 ,  G06F3/04164 ,  G06F3/041662 ,  G06F3/0441 ,  G06F3/0442

Abstract: An embodiment of the present invention provides a display device including: a loop coil; a display unit configured to include a plurality of pixels; a display driver configured to apply a data signal and a scan signal to the pixels depending on a vertical synchronization signal and a horizontal synchronization signal; a plurality of touch electrodes positioned on the display unit; a driving receiver configured to apply a driving signal to the loop coil during a first period and to receive a sensing signal from at least one of the touch electrodes during a second period after the first period; and a controller configured to generate touch information by using the sensing signal, wherein the driving signal is synchronized to at least one pulse of the vertical synchronization signal and the horizontal synchronization signal.

公开(公告)号：US11983357B2

公开(公告)日：2024-05-14

申请号：US17794736

申请日：2021-01-22

Applicant: HiDeep Inc.

Inventor： Seyeob Kim ,  Hyoungwook Woo ,  Kyeonghan Park ,  Bonkee Kim ,  Youngho Cho ,  Sein Lee ,  Hwanhee Lee ,  Kiryoung Jung ,  Wonwoo Lee ,  Jeongwon Seo ,  Jongsik Kim ,  Inuk Jeong ,  Beomkyu Ko ,  Hojun Moon

IPC: G06F3/041 ,  G06F1/16 ,  G06F3/0354 ,  G06F3/038 ,  G06F3/044 ,  G06F3/046

CPC classification number: G06F3/04164 ,  G06F1/1616 ,  G06F1/1656 ,  G06F3/03545 ,  G06F3/0383 ,  G06F3/0412 ,  G06F3/04162 ,  G06F3/0441 ,  G06F3/0442 ,  G06F3/046

Abstract: An electronic device according to an embodiment includes: a display panel; a touch electrode layer disposed on the display panel and comprising at least one touch electrode; and a conductive wire disposed on the display panel, disposed on the same layer as the touch electrode layer, and generating a magnetic field signal for driving a stylus pen.

公开(公告)号：US11886656B2

公开(公告)日：2024-01-30

申请号：US17600628

申请日：2020-03-27

Applicant: HiDeep Inc.

Inventor： Hwanhee Lee ,  Seyeob Kim ,  Bonkee Kim ,  Hyoungwook Woo ,  Kiryoung Jung ,  Wonwoo Lee

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/0354

CPC classification number: G06F3/04162 ,  G06F3/03545 ,  G06F3/0412 ,  G06F3/0442

Abstract: An embodiment of the present invention provides a display device including: a touch sensor configured to sequentially transfer an electromagnetic signal having two or more frequencies to a stylus pen, and to receive an electromagnetic signal corresponding to the electromagnetic signal from the stylus pen; and a touch controller configured to operate the touch sensor by determining one of the two or more frequencies as the frequency of the electromagnetic signal depending on a change in the received electromagnetic signal.

公开(公告)号：US09444324B2

公开(公告)日：2016-09-13

申请号：US14107366

申请日：2013-12-16

Applicant: HiDeep Inc

Inventor： Wonwoo Lee

IPC: H02M3/156 ,  H02M1/38 ,  H02M3/158

CPC classification number: H02M1/38 ,  H02M3/1588 ,  Y02B70/1466

Abstract: Disclosed is a synchronous DC-DC converter including: a clock signal generator which generates a clock signal; a gate driving part which is connected to the clock signal generator and outputs a first delay clock signal and a second delay clock signal with respect to the clock signal; a switching part which is connected to the gate driving part and includes a first switching element and a second switching element which are complementarily switched according to each of the first delay clock signal and the second delay clock signal; and a controller which is connected to the switching part and generates a control signal which is usable by the gate driving part in order to control a dead time between the first switching element and the second switching element.

Abstract translation: 公开了一种同步DC-DC转换器，包括：时钟信号发生器，其产生时钟信号; 栅极驱动部分，其连接到时钟信号发生器，并且相对于时钟信号输出第一延迟时钟信号和第二延迟时钟信号; 开关部分，其连接到所述栅极驱动部分，并且包括根据所述第一延迟时钟信号和所述第二延迟时钟信号中的每一个互补地切换的第一开关元件和第二开关元件; 以及控制器，其连接到开关部分并且产生可由栅极驱动部分使用的控制信号，以便控制第一开关元件和第二开关元件之间的死区时间。