Seiko Epson Corporation

Sony Corporation

Epson Imaging Devices Corporation

E Ink Corporation

Japan Display West Inc.

Sanyo Epson Imaging Devices Corp.

Katsunori Yamazaki

Kiyoshi Tsujino

Yujiro Nomura

Shoichi Iino

Akira Nakajima

Tsuyoshi Maeda

Shinichi Miyazaki

Takao Miyazawa

Akira Inoue

Chiyoaki Iijima

Hiroyuki Yoshino

Satoshi Yatabe

Takashi Kurumisawa

Kinya Matsuzawa

Yutaka Ozawa

Mitsuo Nagato

Kenji Hayashi

Toshiharu Matsushima

Eiji Okamoto

Tokuro Ozawa

Yasushi Yamazaki

Kimitaka Kamijo

Takumi Seki

Daisuke Nagano

Masanori Ishida

Suguru Yamazaki

Mitsuo Nagata

Kazuya Nakamura

Saichi Hirabayashi

Yoichiro Suzuki

An active matrix circuit substrate includes a first power supply line, a second power supply line, a third power supply line, a fourth power supply line, a first control line, and a second control line; a pixel electrode and a memory circuit; a common electrode that is electrically connected to the fourth power supply line; a capacitor that is provided between the third power supply line and the pixel electrode; a first switch circuit that is provided between the first power supply line and the pixel electrode and operates on the basis of an output of the memory circuit and a potential of the first control line; and a second switch circuit that is provided between the second power supply line and the pixel electrode and operates on the basis of the output of the memory circuit and a potential of the second control line.

Active matrix circuit substrate, display device, method of driving display device, and electronic apparatus

A storage type display device including: first control lines that are provided in as many as n columns; second control lines that are provided in as many as m rows; and a display section that includes n&#xd7;m pixels. The device further includes a branched power supply line that supplies power to the pixel electrode in each row; a stem power supply line; a pixel electrode switching circuit; a power supply line switching circuit that is connected between the stem power supply line and the branched power supply line; and a scanning line driving circuit that outputs a signal to the second control lines. The scanning line driving circuit is arranged in a predetermined end side of the display section, and the power supply line switching circuit is arranged on another end side which is different from the predetermined end side of the display section.

Storage type display device and electronic apparatus

An electrophoretic apparatus includes a first electrode, a second electrode, an electrophoretic element which is interposed between the first electrode and the second electrode, and a pixel circuit which is connected to a scanning line and a data line, and which includes a first transistor configured to supply a first electric potential to the first electrode, a second transistor configured to supply a second electric potential to the first electric potential, a third transistor configured to supply a third electric potential to the first electrode; a fourth transistor configured to supply a signal supplied through the data line to the first transistor, a fifth transistor configured to supply a signal supplied through the data line to the second transistor, and a sixth transistor configured to supply a signal supplied through the data line to the third transistor.

Electrophoretic apparatus and electronic device having a pixel circuit with a plurality of driving transistors and a plurality of selection transistors

An electric optical apparatus including a display section in which an electric optical material is pinched between a pair of substrates and a plurality of pixels is arranged, wherein the display section is provided with a scanning line, a data line and a power-supply line that are connected to each of the pixels, and each of the pixels is provided with a pixel electrode, a driving transistor that is connected between the pixel electrode and the power-supply line, a capacitance for modulation that is connected between a gate of the driving transistor and the data line, a maintenance capacitance that connects one side electrode to the gate of the driving transistor, and a transistor for correction that is connected to a diode and in which one side terminal thereof is connected to the gate of the driving transistor.

Electric optical apparatus, driving method thereof and electronic device

An electrophoresis display device includes: a pair of substrates; an electrophoresis layer which is pinched between the pair of substrates, and includes a partition and electrophoresis particles that are disposed in plural regions which are divided by the partition; a display portion which includes a plurality of pixels; a pixel electrode which is formed on the plurality of pixels; a facing electrode which faces the plurality of pixel electrodes via the electrophoresis layer; a first control line and a second control line which are electrically connected to the pixel electrodes; and a shielding layer which is disposed between the first control line and the electrophoresis layer and between the second control line and the electrophoresis layer, and can perform a potential input.

Electrophoresis display device, driving method of electrophoresis display device, and electronic apparatus

A circuit substrate according to the invention includes a pixel circuit that is provided for a pixel which is arranged in a display area provided on a substrate, in which the pixel circuit includes a pixel selection transistor; a data line that is connected to a source of the pixel selection transistor; a scan line that is connected to a gate of the pixel selection transistor; a pixel electrode; a memory unit that is connected to the pixel electrode and the pixel selection transistor, and that can switch an output state of a potential with respect to the pixel electrode; and a light sensor that can rewrite an output, which is retained in the memory unit by light input, with respect to the pixel electrode.

Circuit substrate, electro-optical device with input function, and electronic apparatus

A load driving circuit that generates a desired voltage waveform to drive a load includes a target voltage waveform output section that outputs a target voltage waveform to be applied to the load. Power supply sections generate electrical power with voltage values different from each other. Negative feedback control sections between the power supply sections and the load supply electrical power from the corresponding power supply sections to the load and execute negative feedback control of a value of a voltage applied to the load for matching the voltage value and the target voltage waveform. A power supply connection section selects one of the power supply sections based on the value of the voltage applied to the load or the voltage value of the target voltage waveform and connects the selected power supply section to the load and disconnects the rest of the power supply sections from the load.

Load driving circuit and load driving method

In at least one embodiment of the disclosure, an electrophoretic display apparatus includes a first substrate. A refractive index variation layer is arranged so as to oppose the first substrate. An electrophoretic layer is arranged between the first substrate and the refractive index variation layer. A refractive index of the refractive index variation layer increases as it recedes away from the electrophoretic layer in a thickness direction of the electrophoretic layer.

Electrophoretic display apparatus and electronic apparatus

An electro-optic device includes a plurality of scanning lines that are arranged in a line direction, a plurality of data lines that are arranged in a column direction, a plurality of pixels that are provided at intersection positions of the scanning lines and the data lines, a driving circuit that supplies an image signal based on image data to a display unit formed by arranging the plurality of pixels, and an image data input circuit that inputs the image data to the driving circuit. The image data input circuit includes a storage unit that stores line data of a plurality of continuous lines including line data of an input target among line data formed from pixel data corresponding to one line of the image data, and from the storage unit and corrects the pixel data of the input target on the basis of information of the peripheral pixel data.

Electro-optic device, method of driving electro-optic device, controller, and electronic apparatus

An electrophoretic display includes an electrophoretic layer arranged in each pixel region partitioned by a partition member disposed between a first electrode and a second electrode that are arranged on the inner sides of a pair of substrates. The partition member has bottom portions laminated on the first electrode and partition walls joined to the bottom portions. The partition walls partition the pixel region. The bottom portions each have a protrusion.

Electrophoretic display and electronic device

There is provided an optical recording display device having a display section. The display section includes: a plurality of pixels; a plurality of pixel electrodes each of which is formed for each of the plurality of pixels, and is connected to a transistor; a common electrode which is opposite to the plurality of pixel electrodes, and an electro-optical material layer having a memory property which is disposed between the plurality of pixel electrodes and the common electrode; a plurality of scanning lines which is respectively connected to a gate of the transistor and is connected to each other in a direct manner or through an electric circuit; and a plurality of data lines which is respectively connected to a source of the transistor and is connected to each other in a direct manner or through an electric circuit.

Optical recording display device, driving method of the optical recording display device, electro-optical device and electronic apparatus

When a first data line becomes an H level and a second data line becomes an L level at the time that a scan line is at the H level, a first TFT is turned on and a second TFT is turned off. When the first TFT is turned on, a voltage higher than the voltage of a common electrode is applied to a pixel electrode, so that a pixel is displayed in black. When the first data line becomes the L level and the second data line becomes the H level at the time that the scan line is at the H level, the first TFT is turned off and the second TFT is turned on. When the second TFT is turned on, a voltage lower than the voltage of the common electrode is applied to the pixel electrode, so that a pixel is displayed in white.

Electro-optical apparatus, method for driving electro-optical apparatus, apparatus for controlling electro-optical apparatus, and electronic apparatus

The electrophoretic display device in which an electrophoretic element is interposed between a pair of substrates includes a first electrode and a second electrode that are formed in each pixel on one substrate, and an opposing electrode that is formed on another substrate, and faces the first electrode and the second electrode through the electrophoretic element. Here, a gradation is displayed due to a difference in potential between the first electrode and the second electrode.

Electrophoretic display device, driving method thereof, and electronic apparatus

Provided is an electrophoretic display device including: an electrophoretic panel which is provided with an electrophoretic element which includes a first electrode, a second electrode which faces the first electrode, and a charged particle arranged between the first electrode and the second electrode; and a control circuit which controls the electrophoretic panel. The control circuit controls a data voltage with a value which corresponds to the specified gradation of the electrophoretic element to be applied between the first electrode and the second electrode in a writing period, and controls a correction voltage which is the opposite polarity to the data voltage and is less than or equal to a predetermined threshold value to be applied between the first electrode and the second electrode in a correction period which is different from the writing period.

Growing community of inventors

Matsumoto, Japan

Katsunori Yamazaki