Hideep Inc.

Hwanhee Lee

Seyeob Kim

Bonkee Kim

Hyoungwook Woo

Kiryoung Jung

Jongsik Kim

Youngho Cho

Jeongwon Seo

Hojun Moon

Wonwoo Lee

Kyeonghan Park

Sein Lee

Beomkyu Ko

Inuk Jeong

Sangsic Yoon

Young Ho Cho

Joohyun Go

Ho Jun Moon

Mun Sub Byun

Giduk Kim

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.

Electronic device, stylus pen, and method for detection of a position of the stylus pen on the electronic device

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.

Stylus pen, antenna module, touch sensor, and electronic device

An embodiment of the present disclosure provides a touch apparatus including: a touch sensor; and a touch controller operating in a full driving mode for applying a first driving signal for generating a resonance signal of a stylus pen to the touch sensor and a skip driving mode in which a second driving signal having a period having an off-duty different from that of the first driving signal is applied to the touch sensor, and obtaining touch coordinate information from a detection signal received from the touch sensor.

Touch device using resonance signal of stylus pen and touch detection method thereof

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.

Electronic device and control method therefor

A pen and touch input system according to an embodiment of the present invention includes a touch input device including a sensor unit and a control unit for controlling the sensor unit and a stylus pen interacting with the touch input device.

Pen and touch input system and controller

Provided is an electronic device including a panel including a plurality of first electrodes extending in a Y-axis and a plurality of second electrodes extending in an X-axis, a driving part configured to individually control a direction of current flowing through the plurality of first electrode and the plurality of second electrodes so as to generate electromagnetic fields, thereby driving a stylus, and a determination part configured to receive a signal generated in the stylus so as to determine touch coordinates. Each of the plurality of first electrodes and the plurality of second electrodes does not form a closed loop. In the electronic device and a stylus driving device according to the embodiment of the present invention, since a separate configuration such as a digitizer, an antenna, and the like is not required, the product may be miniaturized and thinned, and the manufacturing cost may be reduced.

Stylus driving apparatus and electronic device comprising same

An embodiment of the present invention provides a touch device for sensing a position of a stylus including a resonance circuit, including: a plurality of electrode; and a touch controller configured to receive a sensing signal from the electrodes to determine a position of the stylus, wherein the electrodes includes electrodes in which directions of currents induced in the electrodes by the resonance circuit are opposite to each other.

Touch device for passive resonant stylus with dummy electrodes, driving method for the same and touch system

Pen and touch input system or controller

A touch apparatus according to an exemplary embodiment includes: a touch panel that includes a plurality of first touch electrodes extending in a first direction and arranged in a second direction that crosses the first direction, and a plurality of second touch electrodes extending in the second direction and arranged in the first direction; and a touch driver that applies a first driving signal for generation of a resonance signal of a stylus pen to the touch panel in a first section, and receives a detection signal from the touch panel in a second section that is next to the first section, wherein the touch driver applies a driving signal of which a ratio of a disable level section with respect to an enable level section within one iterative period is different from that of the first driving signal in the second section, to the touch panel.

Touch apparatus and touch detection method thereof

An exemplary embodiment of the present invention provides a touch apparatus including: a touch panel configured to include a plurality of touch electrodes; a touch driver configured to apply a first driving signal to a first touch electrode of the touch electrodes during a first period, and a second driving signal to the touch electrodes during a second period subsequent to the first period; and a touch controller configured to determine a detection signal as a valid touch signal based on whether a signal strength of the detection signal received in response to the first driving signal exceeds a first threshold during the first period, wherein the detection signal include at least one of a first detection signal generated by a first touch object and a second detection signal generated by a second touch object, and the first detection signal is determined as a valid touch signal, while the first threshold is set to filter the second detection signal.

Growing community of inventors

Seongnam-si, South Korea

Hwanhee Lee