Samsung Display Co., Ltd.

Ja-seung Ku

Hyoung-Wook Jang

Soon-Sung Ahn

Hui Nam

Beom-Shik Kim

Chan-Young Park

Brent Jang

Won-Kyu Kwak

Do-Youb Kim

Sung-Un Park

Choon-Hyop Lee

Jung-Yun Kim

Hee-Chul Hwang

Jae-Shin Kim

Min-Jeung Lee

A capacitive type touch sensor, includes a plurality of driving electrodes, a plurality of sensing electrodes disposed to overlap the driving electrodes, the sensing electrodes and the driving electrodes being spaced apart from each other, a driving unit configured to supply driving signals to the respective driving electrodes, and a sensing unit configured to detect sensing signals from the sensing electrodes, wherein the driving signals supplied by the driving unit include at least one of a first driving signal having a first frequency and a second driving signal having a second frequency different from the first frequency.

Capacitive type touch sensor

There is provided a method of controlling a user input using a pressure sensor unit for a flexible display device in which the pressure sensor unit for sensing a touch position through pressure transmitted when a touch is made is formed on one surface of a substrate, by which a user may zoom in/out a displayed image by only one hand using the intensity and pattern of input touch pressure.

Method of controlling user input using pressure sensor unit for flexible display device

An electronic imaging device includes a display unit and a barrier layer. The display unit includes scan lines for transferring select signals, data lines for transferring data signals corresponding to first and second images formed according to one or more input signals, and pixels connected with the scan and data lines. The barrier layer includes first barriers and second barriers corresponding to the first barriers. The first image is displayed during a first period of a unit period during which an image of a single frame is displayed. The second image is displayed during a second period different from the first period. The first barriers are driven according to the first image, the second barriers are driven according to the second image, and a region of the barrier layer corresponding to a mixed region in which the first and second images coexist is a non-transmission region.

Electronic imaging device and driving method therefor

A touch screen system includes a touch screen panel including first lines, second lines crossing the first lines, a plurality of sensing cells formed at the crossing regions between the first lines and the second lines, a driving circuit for sequentially applying a driving signal to the first lines, a first sensing circuit for receiving capacitance change information sensed by the first lines, and generating a first sensing signal corresponding to the capacitance change information, a selecting unit for selectively coupling the first lines to the driving circuit or the first sensing circuit, a second sensing circuit for receiving the capacitance change information sensed by the sensing cells from the second lines and generating a second sensing signal corresponding to the capacitance change information, and a processing unit for receiving a sensing signal from the first sensing circuit and/or the second sensing circuit and determining a detected touch position.

Touch screen system and method of driving the same

A FPD integrated with a touch screen panel includes an upper substrate and a lower substrate facing each other, the upper substrate including a display region and first and second non-display regions surrounding the display region, a plurality of sensing patterns on the display region of the upper substrate, a plurality of sensing lines on the first non-display region of the upper substrate, a sealing material on the second non-display region of the upper substrate, the sealing material connecting the upper and lower substrates, and a flexible printed circuit (FPC) bonding pad unit on the second non-display region of the upper substrate, the FPC bonding pad unit including a plurality of bonding pads coupled to the plurality of sensing lines, the bonding pads including a transparent conductive material in regions overlapping the sealing material.

Flat panel display integrated with touch screen panel

A touch screen display apparatus includes a panel including a light emitting device for displaying a display image and an optical sensor for generating a touch image object; a touch sensing unit on the panel for sensing a touch of a touch object; and a light emission controller for controlling the light emitting device to emit light when a touch of the touch object is sensed by the touch sensing unit.

Touch screen display apparatus for performing flash mode and method of operating the apparatus

A touch screen system according to an exemplary embodiment of the present invention includes: a touch screen panel including a plurality of driving electrodes coupled to a plurality of driving lines that extend in a first direction and a plurality of sensing electrodes coupled to a plurality of sensing lines that extend in a second direction crossing the first direction, the driving electrodes and the sensing electrodes being alternately arranged so as not to overlap with each other; and an active stylus separated from the touch screen panel, the active stylus configured to output an electric field in synchronization with driving signals that are applied to the driving lines coupled to the driving electrodes that are adjacent to the active stylus, wherein the driving electrodes and the sensing electrodes have different areas.

Touch screen system

A method of detecting a touch point includes detecting an edge image of a finger image from an input image, generating a touch point image utilizing the detected edge image, and calculating coordinates of the touch point from the touch point image. The touch point image may be generated by setting a center at a position separated by a set distance in a gradient direction with respect to a position where the edge image is detected, and generating the touch point image by summing up gradient magnitude values with respect to a set area based on the set center. The coordinates of multiple touch points may be calculated by updating coordinates of the multiple touch points according to the gradient magnitude values accumulatively summed up in the multiple touch points based on a comparison between the coordinates of the multiple touch points and the set distance.

Method and apparatus for detecting touch point

An electronic imaging device includes a display unit having a plurality of scan lines, a plurality of data lines, and a plurality of pixels, and a barrier layer disposed in front of the display unit and divided into a plurality of areas along a scan direction. The barrier layer includes a plurality of first barrier electrodes and a plurality of second barrier electrode. The plurality of first barrier electrodes includes a plurality of first and second sub-electrodes in a zigzag pattern along the scan direction, the plurality of second barrier electrodes includes a plurality of third and fourth sub-electrodes in a zigzag pattern along the scan direction, and the third and fourth sub-electrodes being offset with respect to the first and second sub-electrodes along the scan direction.

Electronic imaging device and driving method thereof

An electronic display device includes a display unit including a plurality of scan lines, a plurality of data lines, and a plurality of pixels, and a barrier unit covering the display unit, including a plurality of first areas and a plurality of second areas alternately arranged along a length direction of the data lines, a first electrode group respectively provided in each of the first areas, each of the electrode groups including a plurality of first sub-electrodes and a plurality of second sub-electrodes alternately arranged along a length direction of the scan lines, a second electrode group provided in each of the second areas on a layer that is different from a layer on which the first electrode group is provided, each of the second electrode groups including a plurality of third sub-electrodes and a plurality of fourth sub-electrodes alternately arranged along the length direction of the scan line, and an insulation layer between the first and second electrode groups.

Electronic display device

A stereoscopic image display device includes a display panel configured to display an image, a barrier placed over the display panel and configured to include a plurality of liquid crystal cells each of which is selectively driven to become a transparent cell or an opaque cell, a polarizing plate placed between the display panel and the barrier, and a phase retarder placed between the internal polarizing plate and the display panel.

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Yongin, South Korea

Ja-seung Ku