Seiko Epson Corporation

Sony Corporation

Lumitek Display Technology Limited

Hitoshi Ota

Takeshi Koshihara

Ryoichi Nozawa

Hideto Ishiguro

Hidehiko Komatsu

Takeshi Nomura

Daisuke Ishihara

Takehiko Kubota

Kazuhiko Hara

Kazuma Kitadani

Tsuyoshi Sano

Shuichi Koganehira

Masahiro Yatake

Eiji Kanda

Kunihiko Matsuhashi

Takeshi Tanoue

Masayuki Momose

Hiroshi Takahashi

Shin Fujita

Mitsutaka Ide

Tetsuya Aoyama

Kazuhiko Kitamura

Hiroko Hayashi

Tsuyoshi Tamura

Satoshi Yatabe

Yuiga Hamade

Makiko Takahashi

Shinichi Iwata

Nobuo Uotani

Takumi Kodama

Masanori Iwasaki

Yuji Ito

Kei Yoshizaki

Fumitsugu Ito

An optical display device includes an image display element configured to emit image light, a deflection member configured to deflect the image light emitted from the image display element, an optical device including a lens barrel for accommodating a lens group including an objective lens and an eyepiece, and a moving mechanism provided at the lens barrel of the optical device and configured to hold a state in which at least the deflection member is moved in a direction intersecting an optical axis of the lens group.

Optical display device

The display device includes the first light-emitting element, a second light-emitting element, a first color filter through which light from the first light-emitting element passes, and a second color filter through which the light from the second light-emitting element passes. The relative positional relationship between the center of the first light-emitting element and the center of the first color filter is different from the relative positional relationship between the center of the second light-emitting element and the center of the second color filter.

Display device with at least two emitting elements and two filters, and different positional relationships

An electroluminescent device includes a scanning line that extends in a first direction, a light emitting element, a driving transistor that supplies a driving current to the light emitting element, a first conductive layer that is supplied a fixed potential and extends in the first direction, a second conductive layer that is supplied the fixed potential and is disposed on a different layer than the first conductive layer, and a third conductive layer that is electrically connected to a first terminal of the driving transistor and to the light emitting element, and is disposed on a same layer as the second conductive layer. The third conductive layer is surrounded by the second conductive layer in plan view.

Organic electroluminescent device and electronic apparatus

An electro-optical device includes a DA conversion circuit to convert 10 bits of data into an analog voltage output to a data line. The DA conversion circuit includes a first DA conversion circuit to convert upper 5 bits into a voltage and outputs converted voltage to the data line, a second DA conversion circuit to convert lower 5 bits into a voltage and outputs converted voltage to a relay line, and a coupling capacitance including one end electrically coupled to the second DA conversion circuit and another end electrically coupled to the data line, wherein the first DA conversion circuit includes a capacitance element corresponding to the upper 5 bits and is arranged in the Y direction along the data line, and the second DA conversion circuit includes a capacitance element corresponding to the lower 5 bits and is arranged in the Y direction along the data line.

Electro-optical device having digital-to-analog conversion circuit and electronic apparatus

A display device includes a light-emitting element, a data line, a wiring line, a first constant potential line to which a first constant potential is supplied, a first transistor configured to supply a drive current corresponding to a video signal supplied via the wiring line and the data line to the light-emitting element, a second transistor configured to electrically couple the data line to the first constant potential line, and a switching element configured to electrically couple the data line to the wiring line.

Display device and electronic apparatus

A DA converter circuit includes an upper DA converter circuit that includes a first capacitance element including one end coupled to a data line and that outputs a voltage corresponding to five high-order bits to the data line, a lower DA converter circuit that includes a second capacitance element including one end coupled to a relay line and that outputs a voltage corresponding to five low-order bits to the relay line, and a capacitor including one end coupled to the relay line and the other end coupled to the data line. In the first capacitance element, an insulating layer is sandwiched between a first electrode and a second electrode. In the second capacitance element, an insulating layer is sandwiched between a third electrode and a fourth electrode. The insulating layer of the first capacitance element is thicker than the insulating layer of the second capacitance element.

DA converter circuit, electro-optical device, and electronic apparatus

A pixel circuit provided corresponding to a scanning line and a data line includes a transistor and an OLED serving as one example of a light emitting element. In a compensation period, a gate node and a drain node of the transistor are electrically coupled to each other to cause a voltage of the gate node of the transistor to be a voltage corresponding to a threshold voltage. In the gate writing period, a voltage of the gate node of the transistor is varied from a voltage corresponding to the threshold voltage into a voltage corresponding to luminance of the OLED, and the voltage corresponding to luminance of the OLED is applied to the drain node of the transistor.

Electro-optical device, electronic device and method of driving electro-optical device

A light-emitting device includes a data signal supply circuit, a first switching element including a first end electrically coupled to the data signal supply circuit, and a second end, a first capacitor electrically coupled to the second end of the first switching element and configured to hold an electric charge according to a gradation voltage, a second switching element including a first end electrically coupled to the second end of the first switching element, and a second end, a pixel circuit including a light-emitting element and a transistor, and a data line electrically coupled to the pixel circuit. The first capacitor is disposed to overlap the transistor in plan view.

Light-emitting device and electronic apparatus

An electro-optical device includes: a data signal output circuit including a D/A converter circuit; a plurality of terminals; a control circuit supplied with a power supply potential VL from at least one terminal of the plurality of terminals via a first power supply wiring line; and a power supply circuit configured to generate a power supply potential VPL in accordance with potentials AVDD and AVSS supplied via two or more terminals of the plurality of terminals and supply the power supply potential VPL to a second power supply wiring line. The D/A converter circuit includes a plurality of capacitance elements. The first power supply wiring line or the second power supply wiring line is selectively coupled to one portion of the plurality of capacitance elements.

Electro-optical device and electronic apparatus

A DA conversion circuit includes a first DA conversion circuit unit corresponding to a higher bit, a second DA conversion circuit unit corresponding to a lower bit, a capacitance element provided between the first DA conversion circuit unit and the second DA conversion circuit unit, the first DA conversion circuit unit includes a capacitance element and a selection circuit, the second DA conversion circuit unit includes a capacitance element and a selection circuit, and the selection circuit supplies a potential VL or VPH to one end of the capacitance element, and the selection circuit supplies the potential VL or VPL to one end of the capacitance element. The potential VPL is different from the potential VPH, and for example, VPL&#x3e;VPH.

DA conversion circuit, electro-optical device and electronic apparatus

Electro-optical device and electronic apparatus with first and second DA conversion circuits having upper and lower capacitance elements

A first capacitance element provided corresponding to a bit D, a second capacitance element provided corresponding to a bit D, and a third capacitance element and a fourth capacitance element provided corresponding to a bit D, and electrically coupled in parallel are included. An area Swhere electrodes of the first capacitance element overlap in plan view is smaller than half an area Swhere electrodes of the second capacitance element overlap in plan view, an area in which electrodes of the third capacitance element overlap in plan view is substantially the same as the area S, and an area where electrodes of the fourth capacitance element overlap in plan view is substantially the same as the area S

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Shiojiri, Japan

Hitoshi Ota