A touch screen monitor having a display monitor and an ultrasonic device. The ultrasonic device may include a sensor array using piezoelectric sensors to detect the surface topology of a biological or other object that is in contact with a surface of the display monitor. The display monitor may be a LCD or LED monitor.

Ultrasonic touch sensor with a display monitor

A display device with a touch panel includes the touch panel having a first substrate having a detection area to detect a coordinate and an outside area in which at least one external terminal is formed, a plurality of first lines to detect the coordinate in the detection area, a plurality of second lines to detect the coordinate in the detection area, wherein each of the plurality of first lines traverse each of the plurality of second lines. An organic emitting display panel is arranged under the touch panel, and a circular polarizing plate arranged at a side of the touch panel opposite to the organic emitting display panel. The organic emitting display panel, the touch panel, and the circular polarizing plate are arranged in this order.

Display device with touch panel

A touch panel capable of detecting a pen and a finger, capable of corresponding to multi-touch, capable of detecting pressing force, and capable of reducing the use amount of a transparent electrode as much as possible. The touch panel has a piezoelectric sheet of poly-L-lactic acid having a predetermined stretching axial direction, electrodes that are opposed to each other and formed on the piezoelectric sheet do not cover the entire surface of the piezoelectric sheet and are formed so that they are discretely distributed in plural positions. The piezoelectric sheet is brought into the condition that tension is imparted in directions not coincident with the stretching axial direction.

Touch Panel, and Touch-Type Input Apparatus and Control Method Therefor

A video display is provided with a planar piezoelectric transmitter to transmit ultrasound signals, and a display panel including a plurality of pixels. Each pixel has a data interface to accept a video signal with a variable voltage associated with a range of light intensity values, and to supply a touch signal with a variable voltage derived from a range of reflected ultrasound signal energies. Each pixel is made up of a light device to supply light with an intensity responsive to the video signal voltage, and a storage capacitor to maintain a video signal voltage between refresh cycles. A piezoelectric transducer accepts a reflected ultrasound signal energy and maintains a touch signal voltage between refresh cycles. In one aspect, the storage capacitor and the piezoelectric transducer are the same device. The light device may be a liquid crystal (LC) layer or a light emitting diode.

In-pixel ultrasonic touch sensor for display applications

A liquid crystal display (LCD) panel provides touch panel function. When the LCD panel is contacted, one or more internal piezoelectric elements respond to the pressure via one or more corresponding photo spacers and generate electrical signals.

Liquid crystal display panel with touch panel function

Disclosed herein is a touch screen panel, a method of manufacturing the touch screen panel, and a display having the touch screen panel. Ultrasonic excitation and detection transducers are attached to the front surface of the image display unit of a display, thereby implementing the touch screen panel, The substrate of the display, that is, the upper surface of the image display unit is used as a surface acoustic wave propagation medium, so that it is not required to manufacture the touch screen panel in a separate substrate and to attach the substrate, in which the touch screen panel is manufactured, to the image display unit of the display, thereby not only preventing degradation of image quality but also not increasing the thickness and size thereof.

Touch screen panel, method of manufacturing the same, and display having the same

A touch screen, a manufacturing method thereof, and a display device equipped with the same are provided to perform a touch screen function without degrading properties of a display device, and apply to a large or mobile display device by increasing thickness and size of the display device. A frequency generator(100,300) generates a signal having a predetermined frequency. A frequency receiver(200,400) receives a signal having a predetermined frequency. The frequency generator and the frequency receiver face each other on an upper side of a screen display part(10) of the display device. The frequency generator includes a first electrode(20), a piezoelectric layer(30) formed on the first electrode, and a second electrode(40) formed on the piezoelectric layer. A protective layer is formed on an upper part of whole structure.

Touch screen and method of manufacturing the same, and display having the same

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Touch screen panel, method of manufacturing the same, and display having the same

Touch screen and method of manufacturing the same, and display having the same