Sharp Kabushiki Kaisha Corporation

Kazutoshi Kida

Yasuhiro Sugita

Shinji Yamagishi

Takenori Maruyama

Yuhji Yashiro

Hiroyuki Ogawa

Hiroshi Fukushima

Takuma Yamamoto

Jean Mugiraneza

Kenshi Tada

Shogo Hayashi

Kazuya Yoshimura

Yukio Mizuno

Kohhei Tanaka

Hiromi Katoh

Shinji Matsumoto

Hidetsugu Kawamori

Tomohiro Kimura

Kiyoshi Minoura

Akira Sakai

Masahiro Yoshida

Masayuki Hata

Seiji Kaneko

Kaoru Yamamoto

Hidetoshi Nakagawa

Seiichi Uchida

Yuichi Kawahira

Takaharu Yamada

Yasuyuki Ogawa

Shigeyasu Mori

Ryohki Itoh

Yutaka Takamaru

Mikihiro Noma

Akira Hirai

Masahiro Matsuda

Takuya Ohishi

Tomotoshi Tsujioka

Hideki Shioe

Akira Yasuta

Kohji Michibayashi

Tsuyoshi Ohmori

Tohru Shirai

Yutaka Ishida

Takashi Saitoh

Kazuyoshi Maeda

Hideo Hosorogi

A touch panel system includes an electrostatic capacitance type touch panel including a drive electrode, a position detection electrode, and a pressing force detection electrode; and a controller configured to provide a drive signal to the drive electrode and acquire a position signal value from the position detection electrode and a pressing force signal value from the pressing force detection electrode. The controller detects a position of a pointer based on the position signal value, and acquires a pressing force generated by the pointer based on a rate of change of a smoothed value of the pressing force value based on the pressing force signal value.

Touch panel system, display device, and method for controlling touch panel system

A touch panel includes a first substrate and a second substrate. The touch panel includes a drive electrode formed on a surface of the first substrate, a position sensor electrode and a pressing force sensor electrode formed on a surface of the second substrate, a position sensor wiring line that connects the position sensor electrode to a terminal portion, a pressing force sensor wiring line that connects the pressing force sensor electrode to the terminal portion, and a shield wiring line disposed between the position sensor wiring line and the pressing force sensor wiring line in a plan view.

Touch panel and display device

A liquid crystal display device includes, in order from an observation surface side to a hack surface side, a thin film transistor substrate including a color filter layer, a pair of electrodes, and a metal wiring line, a liquid crystal layer containing liquid crystal molecules that are horizontally aligned to the thin film transistor substrate and in which alignment of the liquid crystal molecules is changed due to an electric field generated by applying a voltage to the pair of electrodes, a counter substrate, and a backlight, in which the counter substrate includes a reflective layer disposed outside the pixel area and reflecting incident light from the backlight to the back surface side, the pair of electrodes are a first electrode having a planar shape and a second electrode provided with a and the color filter layer is disposed on the observation surface side of the second electrode.

Liquid crystal display device

A touch panel including a sense electrode having a rectangular shape extending in a first direction and including a first sense electrode and a second sense electrode, and a drive electrode having a rectangular shape extending in a second direction intersecting with the first direction on the sense electrode and including a first drive electrode having a shielding property against electric field components. The first drive electrode is positioned covering at least a part of the first sense electrode in a planar view in which the sense electrode is viewed from the drive electrode.

Touch panel, display device, and input device having shielding for touch sensing electrodes and/or pressure sensing electrodes

A switching unit of a touch panel device switches between a first connection state in which, among a plurality of drive wiring lines, a first drive wiring line and a second drive wiring line adjacent to each other are connected, and a second connection state in which, among the plurality of drive wiring lines, the first drive wiring lines adjacent to each other are connected to each other and the second drive wiring lines adjacent to each other are connected to each other.

Touch panel device

A display device includes a backlight, a touch detection electrode disposed to overlap a display region in which an image is displayed in a plan view, and an electrically conductive reflective member disposed closer to the backlight than a plurality of touch detection electrodes. Reflective members are disposed to overlap at least some of the plurality of touch detection electrodes in a plan view, are configured to reflect light from the backlight, and segmented from each other in a plan view.

Display device with touch panel

There are provided an antenna device with improved antenna performance while suppressing a decrease in yield and a decrease in viewability, and a display device including the same. The antenna device includes an antenna substrate, a first antenna pattern formed on a first main surface of the antenna substrate, and a second antenna pattern formed on a second main surface opposite to the first main surface of the antenna substrate. The first antenna pattern and the second antenna pattern are formed such that positions on the front and back of the antenna substrate coincide with each other, and at least a part of the antenna substrate is transparent to transmit an image.

Antenna device and display device provided with same

A position detecting device including an antenna function includes a plurality of electrodes including a plurality of shared electrodes separated by spaces, a position detection circuit configured to detect a position by energizing the plurality of electrodes and using electric fields generated between the plurality of electrodes, an antenna circuit configured to perform wireless communication by energizing the plurality of shared electrodes and using magnetic fields generated in the spaces, and a switch connected to at least the plurality of shared electrodes among the plurality of electrodes, the position detection circuit, and the antenna circuit, the switch being configured to selectively connect either the position detection circuit or the antenna circuit to the plurality of shared electrodes.

Position detecting device including antenna function and display device

touch panel includes a first substrate including a first surface, a second substrate including a second surface opposite to the first surface, a drive electrode formed on the first surface, and a position sense electrode, a pressing force sense electrode, and a shield electrode that are formed on the second surface. The shield electrode is disposed between the position sense electrode and the pressing force sense electrode, and, in a plan view when viewing the second substrate from the first substrate, the drive electrode covers at least a portion of the pressing force sense electrode, and at least a portion of an end portion of the drive electrode is positioned above the shield electrode.

A display device displays an image and also detects a touch by a user. The display device includes a plurality of touch detection electrodes, a conductive member, and a floating electrode. The plurality of touch detection electrodes are disposed overlapping a display region in a plan view, and the conductive member is disposed in a position closer to a surface touched by the user than the plurality of touch detection electrodes. The floating electrode is disposed in a position closer to the surface touched by the user than the plurality of touch detection electrodes, and overlaps at least a part of each of the plurality of touch detection electrodes in the plan view.

Display device

A position detecting device including an antenna function includes a plurality of first position detection electrodes, a plurality of second position detection electrodes, a position detection circuit, a plurality of first antenna electrodes disposed adjacent to the plurality of first position detection electrodes and separated by first spaces, a plurality of second antenna electrodes disposed adjacent to the plurality of second position detection electrodes and separated by second spaces, and an antenna circuit configured to perform wireless communication by energizing the plurality of first antenna electrodes and the plurality of second antenna electrodes and using magnetic fields generated in the first spaces and the second spaces.

An antenna device includes antenna portions arranged side by side in columns with a partial overlap between the antenna portions next to each other, and common lines each connected to and shared by a set of the antenna portions not overlapping each other to collectively activate the set of the antenna portions.

Antenna device, position input device including antenna device, and display device including antenna device

To enable both touched position detection and pressing force detection without increasing the thickness of a touch panel. A driving electrode () is formed on the top face of a piezoelectric polymer layer (). A touch detection electrode () and a pressing force detection electrode () are formed on the bottom face of the piezoelectric polymer layer ().

Display device with touch panel providing touched position detection and pressing force detection

A display device includes a display panel displaying an image, a transparent antenna substrate arranged on one surface of the display panel and having transparency, a first conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate opposite to the display panel, and a second conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate facing the display panel. The first conductive film includes an antenna body portion having a thin film pattern and insulated from a surrounding portion by a slit, and the antenna body portion constitutes a transparent antenna performing wireless communication with an external communication device.

Display device and communication system

The present invention provides technology for decreasing a reduction in yield due to malfunctions of a touch panel. A display device with a touch panel according to the present invention includes a display panel that includes pixels arranged in a matrix and a plurality of first electrodes and second electrodes for detecting a touched position in a display region provided with the plurality of pixels by capacitive sensing. The first electrodes extend in a first direction in the display region, and the second electrodes extend in a second direction that crosses the first direction in the display region. The display panel includes repairing conductive sections that are formed of conductive members. The repairing conductive sections are provided in such a manner that at least one repairing conductive section is provided for each of the plurality of first electrodes and is arranged along at least part of the first electrode.

Display device with touch panel and repair method for the same

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Osaka, Japan

Kazutoshi Kida