Sharp Kabushiki Kaisha Corporation

Toppan Forms Co., Ltd.

Shinji Yamagishi

Yasuhiro Sugita

Kazutoshi Kida

Hiroyuki Ogawa

Jean Mugiraneza

Takenori Maruyama

Tokihiko Shinomiya

Yuhji Yashiro

Kenshi Tada

Takuma Yamamoto

Hiroshi Fukushima

Shuichi Kozaki

Kohichi Fujimori

Kohhei Tanaka

Yukio Mizuno

Makoto Shiomi

Kazuhiko Tsuda

Koichi Fujimori

Hidetsugu Kawamori

Shin-ichi Terashita

Tomohiro Kimura

Hidefumi Yoshida

Koichi Miyachi

Mitsuhiro Murata

Hiroyuki Furukawa

Seiji Kaneko

Hiromi Katoh

Kaoru Yamamoto

Masafumi Ueno

Seiichi Uchida

Takeshi Noma

Yasuyuki Ogawa

Shigeyasu Mori

Takayuki Nishiyama

Ryo Yonebayashi

Yutaka Takamaru

Kohji Fujiwara

Masaaki Moriya

Naoki Shiobara

Kenji Nishiguchi

Yuuichi Kanbayashi

Mitsuaki Morimoto

Mitsuru Hineno

Yuki Owashi

Tomohiro Omatsu

Mitsuhiko Sahara

Yoshitaka Kawanabe

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

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

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

An embodiment of the present invention has a decreased antenna resistance so as to conform to the EMV specification. An NFC antenna includes: a mesh antenna pattern line () being transparent and formed in a netlike form in a display region (R); and a non-mesh antenna pattern line () being formed in a form having no mesh in a non-display region (R).

NFC antenna and display device

Provided is a light-emitting device and the like in which a light source emits light on the basis of information obtained through communications and the light thus emitted is easy for a user to visually recognize. A light-emitting device includes an LED, a light guide plate, a transparent NFC antenna sheet, and an NFC antenna. The transparent NFC antenna sheet and the NFC antenna are disposed on a principal surface or a backside surface of the light guide plate. At least some part of the light guided by the light guide plate exits out through the principal surface. The LED emits light on the basis of identification information obtained through communications via the NFC antenna sheet and the NFC antenna.

Light-emitting device, authentication notification system, and door

The present invention simultaneously detects a location of an electric conductor and pressure that is applied by the electric conductor. A touch panel () includes a plurality of sensing electrodes () that extend in a first direction for detecting a touch location based on an electrostatic capacitance; and pressure detecting electrodes () each of which extends in the first direction and is provided between adjacent two of the plurality of sensing electrodes (). Each of the pressure detecting electrodes () has a width smaller than that of each of the sensing electrodes () and has resistance that changes in response to applied pressure.

Capacitance type touch panel with built-in pressure sensor

A liquid crystal display device includes an array board, a CF board, detection electrodes, drive electrodes, and position detection lines. The array board includes TFTs in a display area and a display circuit that includes at least monolithic circuits in a non-display area. The CF board is opposed to the array board with a gap. The detection electrodes are arranged on an outer surface of the CF board in the display area to extend along the first direction. The drive electrodes are arranged on an inner surface of the CF board in the display area to extend along the second direction. The position detection lines are arranged on the inner surface of the CF board in the non-display area for transmitting signals to the drive electrodes. The position detection lines are arranged to overlap the monolithic circuits.

Display device with position inputting function

A touch panel pattern TPP includes detection electrodes, driving electrodes, floating electrodes, and reference width floating electrode, a smallest width floating electrode, and an intermediate width floating electrodethat are included in the floating electrodes. The smallest width floating electrodeis disposed at an end-side one of the floating electrodeswith respect to a second direction and has a smallest width. The intermediate width floating electrodeis disposed closer to the end-side one than the reference width floating electrodeis and closer to a middle than the smallest width floating electrodeis and has a width FWsmaller than that of the reference width floating electrodeand larger than that of the smallest width floating electrode

Position input device and display device having position input function

A touch panel includes: a first substrate; a second substrate disposed on a viewer side of the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; a plurality of pixel electrodes and a common electrode for applying a voltage to the liquid crystal layer; and a plurality of detection electrodes and a plurality of driving electrodes for a touch sensor. The first substrate includes: a first transparent substrate; and the plurality of pixel electrodes, which are formed on the liquid crystal layer side of the first transparent substrate. The second substrate includes: a second transparent substrate; and the plurality of driving electrodes and the plurality of detection electrodes formed on the liquid crystal layer side of the second transparent substrate. The touch panel does not include a conductive layer on the viewer side of the second transparent substrate.

Touch panel

Growing community of inventors

Osaka, Japan

Shinji Yamagishi