Nissha Printing Co., Ltd.

Yuko Endo

Yoshihiro Kai

Yuichiro Takai

Takahiro Suzuki

Kazuhiro Nishikawa

Takao Hashimoto

Ryomei Omote

Seiko Hirai

Junichi Shibata

Shuzo Okumura

Jun Shimizu

Jumpei Morita

Yoshitaka Yamaoka

Yohko Imai

Daisuke Imura

Yutaka Sakai

Junpei Morita

An input device of the present invention is configured in the following manner: an input part includes electrode parts, which are contactable arranged with facing each other and one of which is to be an operation object, and a pressure-sensitive layer disposed between the electrode parts facing each other; a charge/discharge waveform forming part includes a charge/discharge circuit having a constant current source, a switching element, a capacitor and a resistor, and forms a charge/discharge waveform with a capacitance detection part and a resistance detection part connected; a charge/discharge waveform calculating part detects the change of a capacitance and of a pressure in the input part based on the charge/discharge waveform formed by the charge/discharge waveform forming part, and calculates an operation state, an operation position and an operation pressure.

Input device using detection of both capacitance and pressure, and capacitance-system hybrid touch panel equipped with pressure-sensitive function

A resistive film type touch panel is configured to reduce damage that is caused by contact between electrodes in a resistive film type touch panel that includes a plurality of first electrodes and a plurality of second electrodes that extend in direction that intersect one another. The resistive film type touch panel includes a plurality of lower side electrodes and a plurality of upper side electrodes. The lower side electrode extends in the Y direction. The upper side electrode Xextends in the X direction, which intersects the Y direction, and opposes the plurality of lower side electrodes. Each lower side electrode includes an electrically conductive layer and protective layers, and a silver layer and a carbon layer extend in the Y direction. The protective layers are formed on edge parts on both sides in the width direction of the electrically conductive layer such that they extend in the direction.

Resistance film type touch panel and touch panel apparatus

A pressure detection unit is disposed in a peripheral portion of a panel member of an information input device for detecting a press operation to the panel member. The pressure detection unit includes a first substrate, a second substrate disposed to face the first substrate, a pressure sensitive layer disposed between the first substrate and the second substrate, and a first electrode provided on the first substrate and a second electrode provided on the second substrate for detecting resistance change via the pressure sensitive layer, the first electrode and the second electrode being provided at positions not facing each other along normal lines of the first substrate and the second substrate. The first electrode, the second electrode and the pressure sensitive layer together form a series circuit in the form of a loop.

Pressure detection unit and information input device having the pressure detection unit

A pressure detection unit includes a first substrate and a second substrate which are disposed in opposition to each other and subject to load from the outside, a pressure detection portion having a pair of electrodes provided between the first substrate and the second substrate and in the first substrate and the second substrate, and electrically conductive pressure-sensitive ink disposed between the pair of electrodes and having electrical characteristics which varies according to the load, and a load transmission member disposed between the first substrate and the pressure detection portion and/or between the second substrate and the pressure detection portion, the load transmission member transmitting the load to the pressure detection portion in a concentrated manner.

Pressure detection unit

A pressure sensitive conductive member is arranged in a through hole of a base-material bonding layer so as to be in contact with a peripheral-switch upper electrode and a peripheral-switch lower electrode, and when a force applied to a peripheral switch is transmitted to the pressure sensitive conductive member through an upper electrode base material and the upper electrode, a current flows, so that the upper electrode and the lower electrode are electrically connected.

Protective panel and electronic device

[Subject] To provide a mount structure of a touch input device having a pressure sensitive sensor in which visibility can be prevented from being lowered even when the pressure sensitive sensor is mounted, water-proofness and dust-proofness are excellent, and a pressure can be easily detected with high measurement accuracy. [Solution] According to a mount structure of a touch input device which includes a touch input device having at least a touch panel, and a pressure sensitive sensor attached to a lower surface thereof, and a casing dented to allow the device to be externally fitted in, and having a concave part or an opening part for a display device, and a frame-shaped support part to support a back surface peripheral part of the touch input device, in its bottom surface, the pressure sensitive sensor includes a pressure concentration member laminated and arranged in a dot shape so as to support the pressure sensitive ink member on a back surface, and a frame-shaped gasket is attached between the pressure sensitive sensor and the support part of the casing, in which the gasket does not overlap with the pressure concentration member.

Mount structure of touch input device having pressure sensitive sensor

A gap between an upper transparent electrode base member () and a lower transparent electrode base member () is filled with a transparent adhesive layer () as a pressure-sensitive adhesive layer, to eliminate an air layer.

Touch panel and portable device using the same

A gap between an upper transparent electrode base member and a lower transparent electrode base member is filled with a transparent adhesive layer as a pressure-sensitive adhesive layer, to eliminate an air layer.

An object of the present invention is to provide a touch panel having a press detection function, which makes it possible to suppress degradation of visibility of a display unit of a display device even when mounted on an electronic device, and also to improve a pressure measuring precision. For this purpose, the touch panel of the present invention includes a first substrate, a second substrate disposed oppose to the first substrate, a pair of electrodes disposed on either one of opposed surfaces of the respective substrates or disposed separately on both of the surfaces, pressure sensitive ink members disposed with a gap from at least one of the pair of electrodes, each of the pressure sensitive ink members having an electrical characteristic varied by a pressing force applied thereto, and a gap retaining member for bonding the first and second substrates to each other and for retaining a gap between each of the pressure sensitive inks and at least one of the pair of electrodes, wherein the pair of electrodes are disposed in a frame shape along an edge portion of the first or second substrate, and the pressure sensitive ink members are scattered along the edge portion of the first or second substrate so that, when the first or second substrate is deformed upon an application of an external force, at least one of them is made in contact with both of the pair of electrodes so as to make the two electrodes conductive to each other.

Growing community of inventors

Kyoto, Japan

Yuko Endo