Japan Display Inc.

Japan Display West Inc.

Fumitaka Gotoh

Tsutomu Harada

Hiroshi Mizuhashi

Hayato Kurasawa

Naoyuki Takasaki

Takayuki Nakanishi

Akira Sakaigawa

Kojiro Ikeda

Masaaki Kabe

Toshiyuki Nagatsuma

Gen Koide

Naoki Takada

Tae Kurokawa

Shota Hosaka

Daichi Suzuki

Amane Higashi

Susumu Kimura

Toshio Soya

Kazunori Yamaguchi

Yoshitoshi Kida

Kohei Azumi

Tadayoshi Katsuta

Makoto Hayashi

Kazuhiko Sako

Hitoshi Tanaka

Toshihiko Tanaka

Takashi Nakamura

Masahiro Tada

Ryoichi Tsuzaki

Hirofumi Kato

Tadafumi Ozaki

Yutaka Ozawa

Shinya Iuchi

Isao Edatsune

A proximity sensor is arranged with a first electrode input with a first signal, a second electrode input with a second signal different from the first signal, a third electrode arranged closer to the first electrode than the second electrode, and the second signal has a reverse phase of the first signal.

Proximity sensor

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

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

Detection device is provided and includes first and second electrodes disposed facing or close to first electrodes; first drive circuit configured to supply first drive signal; second driver circuit configured to supply second drive signal; and detector configured to detect detection signal output from first electrodes, wherein detection device has first period in which detector detects first detection signal output from first electrodes in response to supply of second drive signal to second electrodes, if first detection signal detected in first period is equal to or higher than predetermined threshold, detector is configured to output an output signal including panel coordinates generated based on first detection signal, if first detection signal detected in first period is lower than predetermined threshold, detection device is transitioned to a second period in which detector detects second detection signal output from first electrodes in response to supply of first drive signal to first electrodes and supply of guard signal synchronized with first drive signal to second electrodes, and detector is configured to output an output signal including panel coordinates generated based on second detection signal.

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

Display apparatus with sensing by electromagnetic induction and by self-capacitance

A detection device comprising: a plurality of first electrodes; a plurality of second electrodes facing or being close to the first electrodes; a first drive circuit configured to supply a first drive signal to the first electrodes; a second drive circuit configured to supply a second drive signal to the second electrodes, the second drive signal having a same waveform as that of the first drive signal and in synchronization with the first drive signal; and a detector configured to detect a first detection signal, a second detection signal, and a third detection signal.

Detection device and display device

Proximity sensor and display device

According to one embodiment, a sensor includes a first control line, a first signal line, a first detection switch, a common electrode, a first detection electrode, a first circuit and a second circuit. The common electrode is located above the first control line, the first signal line and the first detection switch, opposed to the first control line, the first signal line and the first detection switch. The first detection electrode is located above the common electrode. The first circuit and the second circuit are located under the common electrode, and are opposed to the common electrode.

According to an aspect, an imaging display system includes an imaging device, a display device, and a processing device. The imaging device includes a rolling shutter image sensor that takes an image. The display device displays the image. The processing device performs image processing on the image. The imaging display system is mounted on a movable body that moves in a certain direction on a reference plane. The imaging device is arranged at an angle with respect to a moving direction of the movable body on the reference plane. An imaging scanning direction of the image on the image sensor is horizontal with respect to the reference plane. A display scanning direction of the image displayed on the display device coincides with the imaging scanning direction.

Imaging display system

A display apparatus with a touch detection function capable of improving accuracy is provided. The display apparatus includes: a pixel array having a plurality of pixels arranged in a matrix form; and a plurality of signal wires arranged in the pixel array. Here, when an externally-detecting object is detected, a plurality of coils having areas overlapping with each other are formed of a plurality of signal wires (drive electrodes) among the plurality of signal wires, and a magnetic field generated in the plurality of respective coils are superimposed in an overlapped area by supplying a drive signal to the plurality of coils.

Display apparatus

According to an aspect, a display device includes: a display area provided to a substrate; a shift register including a plurality of registers coupled in series; and a control circuit that supplies clock pulses to the registers, and that supplies a start pulse to a first register of the shift register to acquire an output from a last register of the shift register, wherein the display area is provided in an area surrounded by the shift register, the control circuit, and wiring that couples the shift register to the control circuit.

Display device

According to one embodiment, a touch detection device includes a touch panel including a transmitting coil and a receiving coil, the touch panel provided with a display function and a touch detection function, and a differential amplifier including two input terminals connected to first and second terminals of the receiving coil.

Touch detection device

Growing community of inventors

Tokyo, Japan

Fumitaka Gotoh