Sharp Kabushiki Kaisha Corporation

Toppan Forms Co., Ltd.

Yasuhiro Sugita

Kazutoshi Kida

Shinji Yamagishi

Jean Mugiraneza

Hiroyuki Ogawa

Takenori Maruyama

Yuhji Yashiro

Tomohiro Kimura

Hiroshi Fukushima

Takuma Yamamoto

Kohhei Tanaka

Kohei Tanaka

Kenshi Tada

Hiromi Katoh

Yoshimitsu Yamauchi

Hidetsugu Kawamori

Kaoru Yamamoto

Naru Usukura

Yukio Mizuno

Hisashi Watanabe

Kazuhiro Maeda

Christopher James Brown

Ryo Yonebayashi

Hiroaki Sugiyama

Tadashi Nemoto

Hidefumi Yoshida

Kiyoshi Minoura

Akira Sakai

Koichi Miyachi

Mitsuhiro Murata

Hiroyuki Furukawa

Naoki Ueda

Seiji Kaneko

Masafumi Ueno

Seiichi Uchida

Takeshi Noma

Yuichi Kawahira

Shigeyasu Mori

Yasuyuki Ogawa

Takayuki Nishiyama

Miho Yamada

Yukio Tamai

Yutaka Takamaru

Mikihiro Noma

Kohji Fujiwara

Akira Hirai

Masaaki Moriya

Daiji Kitagawa

Naoki Shiobara

Toshiki Matsuoka

Yousuke Nakagawa

Akiko Miyazaki

Diego Gallardo

Yuuichi Kanbayashi

Tomotoshi Tsujioka

Hiroaki Shigeta

Noriaki Yamaguchi

Mitsuru Hineno

Hiroki Makino

Yuki Owashi

Makoto Nakamura

Iichiroh Inoue

Sean Thomas George Maguire

Yoshitaka Kawanabe

Tomohiro Omatsu

Biregeya Jean De Dieu Mugiraneza

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 including a first touch electrode and a contact surface that can be touched by an object to be detected; a second substrate opposite the first substrate, the second substrate including a second touch electrode; a liquid crystal layer between the first substrate and the second substrate; and a control unit connected to the first touch electrode and the second touch electrode, wherein the control unit detects a first electrostatic capacity of the first touch electrode and a second electrostatic capacity between the first touch electrode and the second touch electrode, the first electrostatic capacity being changed by the object to be detected.

Touch panel for detecting a contact using a difference of detection periods

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

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

Provided is an antenna device that performs the reading of information via near field wireless communication by using a plurality of antenna patterns, and that has no insensitive area on the touch surface. An antenna device that reads information via near field wireless communication includes an antenna layerthat includes a plurality of antenna patternstoarrayed in parallel with one another, wherein at least a part of the antenna patternstoare arranged so as to overlap with one another when the antenna layeris viewed in a plan view.

Antenna device

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

Provided is an antenna built-in touch panel that includes an antenna that reads information via near field wireless communication, and that has a small thickness. An antenna built-in touch panel includes: a touch panel; and an antenna that reads information via near field wireless communication, wherein the touch panel includes a first electrode layer and a second electrode layer, and antenna patternstoare provided in at least one of a sensing electrode layer and a drive electrode layer of the touch panel.

Antenna built-in touch panel

Growing community of inventors

Osaka, Japan

Yasuhiro Sugita