Hideep Inc.

Hojun Moon

Seyeob Kim

Sangsic Yoon

Taehoon Kim

Bonkee Kim

Sunyoung Kwon

Jongsik Kim

Youngho Cho

Hyoungwook Woo

Hwanhee Lee

Yunjoung Kim

Wonwoo Lee

Kiryoung Jung

Sein Lee

Jeongwon Seo

Kyeonghan Park

Beomkyu Ko

Inuk Jeong

Hyongsub Yun

Won Lee

Mun Sub Byun

Inseob 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

According to an example embodiment, a stylus pen may include an inductor including a core body, ferrite core, a coil wound on an outer surface of the ferrite core, and a magnetic body spaced apart from the ferrite core by pressure applied to the core body.

Stylus pen and touch system including the 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

A touch input device is disclosed that may comprise a display panel and/or a touch sensor. The touch sensor may include a driving electrode and/or a receiving electrode that may be disposed on the display panel and/or inside the display panel. The touch input device may comprise an electrode pattern that may be disposed on a bottom surface of the display panel. The touch input device may comprise a controller that may be configured to provide a first driving signal to the driving electrode of the touch sensor. The controller may be configured to receive a touch detection signal from the receiving electrode of the touch sensor. The controller may be configured to detect a touch position, perhaps for example based on the touch detection signal. The controller may be configured to provide a second driving signal different from the first driving signal to the electrode pattern.

Touch input device

Electronic device, stylus pen, and method for driving and controlling same

The present invention relates to a touch sensor and a touch input device and, more specifically, to a touch sensor formed of a circular single layer and a touch input device comprising same. A touch input device, according to one embodiment of the present invention, comprises a circular touch sensor, wherein the touch sensor includes a plurality of electrodes disposed on a single layer and spaced apart from each other on a plurality of virtual circles having a common center.

Touch sensor and touch input device comprising same

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

A touch input device includes an organic light emitting display module; a pressure sensor including a pressure electrode outputting a first sensing signal for detecting a touch pressure and which is attached under the organic light emitting display module; a touch sensor including drive electrodes to which a driving signal is applied and receiving electrodes outputting a second sensing signal for detecting a touch position; and a substrate located under the organic light emitting display module. The substrate is spaced apart from the organic light emitting display module and includes a reference potential layer. A controller detects a magnitude of the touch pressure based on the first sensing signal. The organic light emitting display module is bent by the touch pressure. A distance between the pressure electrode and the reference potential layer is changed according to a bending of the organic light emitting display module.

In one embodiment, a touch input device capable of detecting a pressure of a touch on a touch surface is disclosed. The touch input device includes a substrate and a display module. A common voltage electrode is disposed within the display module. The touch input device further comprises an electrode which is disposed at a position where a distance between the electrode and the common voltage electrode changes according to the touch on the touch surface. The distance changes according to a magnitude of the pressure of the touch. Further, an electric signal depending on the distance is outputted from the electrode.

Smartphone

A pressure detection module may be provided that includes: a first electrode and a second electrode which are located on an insulation layer; and an elastic foam. The elastic foam is located between the first and the second electrodes and a reference potential layer located apart from the pressure detection module. A capacitance between the first electrode and the second electrode is changed according to a relative distance change between the reference potential layer and the first and the second electrodes through a transformation of the elastic foam. A magnitude of a pressure which causes the elastic foam to be transformed is detected according to the capacitance change.

Pressure detection module and touch input device including the same

A touch input device includes a display module, a substrate for blocking electrical noise or for separating the display module from a circuit board or battery for operation of the touch input device, and a first electrode disposed on the display module and a second electrode disposed on the substrate. A spacer layer is disposed between the first electrode and the second electrode. A pressure magnitude of the touch is detected based on a capacitance between the first electrode and the second electrode. The capacitance is changed depending on the distance between the first electrode and the second electrode. The display module is bent by the touch, and the distance between the first electrode and the second electrode is changed due to the bending of the display module. The first electrode is disposed on a bendable surface of the display module.

A touch input device capable of detecting a pressure of a touch on a touch surface may be provided that includes a substrate and a display module. The touch input device further includes an electrode which is disposed at a position where a distance between the electrode and a reference potential layer is changed by the touch on the touch surface. The distance may be changed depending on a magnitude of a pressure of the touch. The electrode outputs an electrical signal according to the change of the distance. A spacer layer is disposed between the reference potential layer and the electrode.

Growing community of inventors

Gyeonggi-do, South Korea

Hojun Moon