Seiko Epson Corporation

Intellectual Keystone Technology LLC

Hayato Nakanishi

Yojiro Matsueda

Toshimitsu Hirai

Mitsuru Kuribayashi

Masahiro Furusawa

Takashi Miyazawa

Tokuro Ozawa

Masahiro Uchida

Hiroyuki Hara

Hiroshi Hirayama

An electro-optical device includes an effective display region including a pixel, the pixel including a first electrode, a second electrode, and a light-emitting layer between the first electrode and the second electrode; and a wiring line connected to the second electrode at a position to the periphery of the effective display region, the wiring line including a first wiring layer and a second wiring layer that are electrically connected to each other and that overlap each other, the first wiring layer and the second wiring layer both extending in a direction in which an edge of the effective display region extends, the first wiring layer and the second wiring layer extending in the direction a distance that is longer than a distance in which the edge of the effective display region extends in the direction.

Method of manufacturing an electric optical device in which external connection terminals are formed

A light-emitting device and an electronic apparatus, which are capable of preventing reduction of the amount of current flowing through light-emitting elements and which have an excellent display characteristic, are provided. Cathode wiring linesconnected to a cathodeare provided to surround an effective areaoutside the effective areawhere a plurality of pixelsR, G and B having light-emitting elements are provided. First to third power source linesG,B andR connected to pixel electrodes are provided between the cathode wiring linesand the effective area

Electro-optical device, method of manufacturing the same, and electronic apparatus

The invention provides an electro-optical device in which a voltage drop due to the wiring resistance of a cathode is reduced and therefore steady image signals are transmitted such that erroneous image display, such as low contrast, is reduced or prevented. The invention also provides an electronic apparatus including such an electro-optical device. An electro-optical device includes red, green, and blue luminescent power-supply lines to apply currents to light-emitting elements arranged in an actual display region in a matrix; and a cathode line disposed between the light-emitting elements and a cathode. The cathode line has a width larger than a width of red, green, and blue luminescent power-supply lines.

Electro-optical device, wiring substrate, and electronic apparatus

The invention provides power-supply wiring preferable for large displays. An electro-optical device according to the present invention includes a pixel area including electro-optical elements driven by power supplied from power-supply circuits. The electro-optical device includes basic power-supply lines, which receive a power-supply voltage output from the power-supply circuits and which are formed on the upper portion of a substrate, and includes main power-supply lines which intersect the basic power-supply lines and which are formed on the upper portion of the substrate. The power-supply voltage is supplied to the electro-optical elements via the main power-supply lines.

Electro-optical device, matrix substrate, and electronic equipment

The invention provides a light-emitting device and an electronic apparatus, which are capable of preventing reduction of the amount of current flowing through light-emitting elements and which have an excellent display characteristic. Cathode wiring lines connected to a cathode are provided to surround an effective area outside the effective area where a plurality of pixels having light-emitting elements are provided. First to third power source lines connected to pixel electrodes are provided between the cathode wiring lines and the effective area.

Light-emitting device with improved brightness control and narrow frame and electronic apparatus with the light-emitting device

To provide a wiring layout of electric power lines, which improves the aperture ratio of the pixel while forming pixels with the same pixel pitch. An electric-optical apparatus according to the present invention comprises multiple pixels () arranged in matrix including electro-optical devices driven by receiving electric power from an electric power supply circuit, wherein the aforementioned multiple pixels () make up multiple pixel groups formed of a series of pixels arrayed in at least one direction of the row direction and the column direction, and any of line forming regions () is disposed between adjacent pixel groups of the aforementioned pixel groups, wherein the aforementioned line forming regions () are formed with generally the same width.

Electro-optical device, matrix substrate, and electronic apparatus

A light-emitting device and an electronic apparatus, which are capable of preventing reduction of the amount of current flowing through light-emitting elements and which have an excellent display characteristic, are provided. Cathode wiring lines connected to a cathode are provided to surround an effective area outside the effective area where a plurality of pixels having light-emitting elements are provided. First to third power source lines connected to pixel electrodes are provided between the cathode wiring lines and the effective area.

Electro-optical device, method of manufacturing the same, and electronic apparatus with overlapping electrode and power source line

To provide an electro-optical apparatus having a power-supply wiring structure that is capable of supplying a sufficient electrical power to a common electrode of electro-optical devices. An electro-optical apparatus according to the present invention comprises electro-optical devices having a laminated structure including first electrode layers formed on or above a viewing areaof a substrateand a second electrode layerformed on or above the first electrode layers, the laminated structure further including first power lines for supplying a voltage to the first electrode layers and second power wiringelectrically connected to the second electrode layer, wherein the first power lines and the second power lines are arranged on or above the viewing area and are arranged in the same layer as the first electrode layers or below the first electrode layers.

Electro-optical apparatus, matrix substrate, and electronic unit

To suppress an off leak current of a switching element arranged along a data line to control degradation of tonal gradation in an arrangement in which an organic electro-luminescent element OLED is driven using a current programming method, a first switching element is set to be in a non-conductive state and a second switching element is set to be in a conductive state during a normal mode. During a test mode, the first switching element is set to be in a conductive state while the second switching element is set to be in a non-conductive state.

Growing community of inventors

Toyama, Japan

Hayato Nakanishi