Japan Display Inc.

Japan Display West Inc.

Oki Electric Industry Co., Ltd.

Sony Corporation

Hiroshi Mizuhashi

Hayato Kurasawa

Yoshitoshi Kida

Koji Noguchi

Kohei Azumi

Tadayoshi Katsuta

Yasuyuki Teranishi

Toshinori Uehara

Gen Koide

Makoto Hayashi

Daisuke Ito

Takayuki Nakanishi

Toshiaki Fukushima

Koji Ishizaki

Fumitaka Gotoh

Yuji Suzuki

Shuji Hayashi

Hirofumi Nakagawa

Michio Yamamoto

Jouji Yamada

Kozo Ikeno

Takeo Koito

Toshio Soya

Takeya Takeuchi

Shoji Hinata

Daichi Suzuki

Takehiro Shima

Hidetoshi Komatsu

Yoshiharu Nakajima

Tsutomu Tanaka

Mitsuhide Miyamoto

Michiru Senda

Masaki Murase

Fumihito Shibano

Jin Ota

Yuko Yamauchi

Mitsufumi Sogabe

Kimiyo Nonoyama

Yasuhiro Kanaya

Kazuhiro Nishiyama

Mitsutaka Okita

Shigesumi Araki

Kazuyuki Kobayashi

Yoshiyuki Kii

Masaya Tamaki

Takafumi Suzuki

Toshiya Yamazaki

Yoshihiro Kotani

Teruo Katoh

Tsutomu Harada

Hitoshi Tanaka

Masanobu Ikeda

Shinichiro Oka

Takashi Nakamura

Masahiro Tada

Yoshihiro Watanabe

Yasuo Takahashi

Takeshi Shibata

Daisuke Takama

Kazunori Yamaguchi

Masumitsu Ino

Yasuyuki Matsui

Ryoichi Tsuzaki

Toshihiko Fujiwara

Hirofumi Kato

Go Yamanaka

Hideyuki Omori

Toyoaki Yamamoto

Ryota Mito

A display panel with a touch detection function, in which display operation is less affected by touch detection operation, a method of driving the display panel with a touch detection function, a driving circuit, and an electronic unit having the display panel with a touch detection function are disclosed. The display panel with a touch detection function includes: one or more display elements; one or more drive electrodes; one or more touch detection electrodes; and a drive section selectively applying a DC drive signal or an AC drive signal to the drive electrodes.

Display panel with touch detection function, method of driving the same, driving circuit, and electronic unit

A display device includes: a plurality of first electrodes arranged in a display region for displaying an image; a second electrode opposed to the first electrodes; a plurality of switching elements that are arranged in the display region and coupled to the first electrodes or the second electrode; a gate line for supplying a scanning signal for scanning the switching elements; a data line for supplying a signal to the switching elements that are coupled to the switching elements; and conductive wire that is opposed to the second electrode via an insulating layer and is coupled to the switching elements.

Display device

An input device is provided and includes substrate; first metal mesh shape electrodes provided on layer of substrate; second metal mesh shape electrodes provided on same layer of the substrate as first metal mesh shape electrodes; second metal connection electrodes each of which connects adjacent two of second metal mesh shape electrodes on same layer as first metal mesh shape electrodes; insulating film covering second metal connection electrodes; first transparent connection electrodes each of which connects adjacent two of first metal mesh shape electrodes on insulating film; and protective film covering first metal mesh shape electrodes, second metal mesh shape electrodes, and first transparent connection electrodes.

Input device with mesh shaped electrodes

There are provided a display panel with a touch detection function, a drive circuit, and an electronic unit, which make it possible to realize many functions related to touch detection. The display panel includes: one or more display elements; one or more drive electrodes extending in one direction; an electrode drive section integrated into a chip, and applying a drive signal to the drive electrodes; and one or more touch detection electrodes extending in a direction intersecting the direction in which the drive electrodes extend.

Display panel with touch detection function, drive circuit, and electronic unit

A display device with is touch detection function is provided and includes display area where electrodes are arranged in matrix having first and second directions crossing above substrate; common electrodes provided so as to face pixel electrodes; pixel signal lines each coupled to pixel electrodes, extending in first direction; control device for performing image display control and including drive signal generator and source driver; single first wire to which both display drive voltage and touch drive signal are supplied from drive signal generator, and selection switches for selecting common electrodes, wherein the drive signal generator includes first and second voltage generators for generating first and second voltages, and switching circuit for switching between first and second voltages, and wherein selection switches each coupled to single first wire via first coupling conductor and coupled to common electrode via second coupling conductor are arranged in frame area along single first wire, and are overlapped by single first wire that is supplied with display drive voltage from drive signal generator and that is supplied with touch drive signal from drive signal generator.

Display device with touch detection function

A fingerprint sensor is provided and includes substrate; sensor electrodes arranged on substrate; first switches coupled to sensor electrodes; organic layer covering sensor electrodes; control line drive circuit in a first direction; signal line drive circuit in a second direction orthogonal to the first direction; signal lines coupled to the first switches; control lines coupling first switches to control line drive circuit; sensor drive electrode surrounding sensor electrodes; second switches between signal line drive circuit and signal lines; first number of third switches between signal line drive circuit and first number of second switches, wherein surface of organic layer is lower than sensor drive electrode, and wherein first number is less than number of all second switches.

Fingerprint sensor

Input device with mesh shape electrodes

A display device includes a first substrate, a second substrate, a display functional layer, first electrodes, pixel electrodes, second electrodes, a drive circuit, and a conductive body. The second substrate faces the first substrate. The display functional layer is provided between the first substrate and the second substrate. The first electrodes are provided between the first substrate and the second substrate. The pixel electrodes face the first electrodes between the first substrate and the second substrate. The second electrodes overlap the first electrodes through the display functional layer. The drive circuit supplies drive signals to a pair of the first electrode, wherein the drive circuit supplies a first electric potential to one of the pair of first electrodes and supplies a drive signal having a second electric potential different from the first electric potential to the other of the pair of first electrodes simultaneously.

Provided are a substrate, an organic material layer provided above the substrate at a position overlapping at least a detection region, a plurality of detection electrodes provided between the substrate and the organic material layer in a direction orthogonal to the substrate, a first switching element provided to each of the detection electrodes, a plurality of gate lines coupled with some first switching elements and extending in a first direction, a plurality of signal lines coupled with some first switching elements and extending in a second direction intersecting the first direction, and a drive circuit configured to supply gate drive signals having potentials determined for the respective gate lines based on a predetermined code to the respective first switching elements through the gate lines.

Detection device

A display device includes a substrate, first electrodes, lines, pixel electrodes, a display functional layer, a common electrode, second electrodes, and a controller. The first electrodes are opposed to the second electrodes with a space therebetween, and an insulating layer is provided between the common electrode and the first and second electrodes. During the display periods, in response to a control signal from the controller, the pixel electrodes are supplied with a pixel signal through the lines, and the common electrode is supplied with a common signal. During the sensing period, in response to the control signal from the controller, the lines are supplied with a first drive signal to generate a magnetic field. The first electrodes are supplied with a second drive signal to generate electrostatic capacitance between themselves and the second electrodes in response to the control signal from the controller, synchronously or asynchronously with the display periods.

Display device and circuit board

According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes; a plurality of detection electrodes arranged in a matrix in a display area of the substrate; a plurality of detection electrode lines coupled to the respective detection electrodes; a plurality of first electrodes provided in the same layer as the detection electrodes or the detection electrode lines and extending in a first direction; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of signal lines coupled to the switching elements and extending in a second direction crossing the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal in a first sensing period in which an electromagnetic induction method is used.

Display apparatus with electrodes used for sensing by both electromagnetic induction and by self-capacitance

A sensor is provided and includes a first control line; a first signal line; a first auxiliary line; a first detection electrode; a first detection switch connected to the first detection electrode, the first control line and the first signal line; and a first shielding electrode connected to the first auxiliary line, wherein the first shielding electrode is located to overlap the first signal line via an insulating film.

Sensor and sensor-equipped display device

Growing community of inventors

Tokyo, Japan

Hiroshi Mizuhashi