Seiko Epson Corporation

Takumi Kodama

Takeshi Koshihara

Yuiga Hamade

Hitoshi Ota

An optical module of the present disclosure includes a first panel including a first light-emitting element, a first power supply wiring and a second power supply wiring; a second panel including a second light-emitting element having light emission luminance per unit current lower than that of the first light-emitting element, a third power supply wiring and a fourth power supply wiring; and a prism configured to synthesize first image light emitted from the first panel and second image light emitted from the second panel. A first potential difference is smaller than a second potential difference, the first potential difference being a difference between a potential applied to the first power supply wiring and a potential applied to the second power supply wiring, the second potential difference being a difference between a potential applied to the third power supply wiring and a potential applied to the fourth power supply wiring.

Optical module and image display device

A display device includes a scanning line, a first data line and a second data line, a first transistor circuit, a second transistor circuit, a first light emitting element including a first pixel electrode, and a second light emitting element including a second pixel electrode, wherein the first transistor circuit includes a first drive transistor and a first selection transistor, the second transistor circuit includes a second drive transistor and a second selection transistor, the first pixel electrode and the second pixel electrode are arranged in the second direction, the first transistor circuit and the second transistor circuit are arranged in the first direction, and a gate included in the first selection transistor and a gate included in the second selection transistor are electrically coupled to the scanning line.

Display device and electronic device

An optical module according to the present disclosure includes a first electro-optical device having a first light-emitting element emitting light including a first wavelength region, and a first light-emitting control transistor provided corresponding to the first light-emitting element, a second electro-optical device having a second light-emitting element emitting light including a second wavelength region shorter than the first wavelength region, and a second light-emitting control transistor provided corresponding to the second light-emitting element, and a prism configured to synthesize light emitted from the first electro-optical device, and light emitted from the second electro-optical device, wherein a first period in which the first light-emitting control transistor is in an ON-state in one frame is shorter than a second period in which the second light-emitting control transistor is in an ON-state in the one frame.

Optical module, electro-optical device and image display device

A pixel circuit provided corresponding to a scanning line and a data line includes a transistor and an OLED that is an example of a light emitting element. In a compensation period, a gate node and a drain node of the transistor are electrically coupled, and the gate node of the transistor has a voltage corresponding to a threshold voltage. In a writing period, the gate node of the transistor is changed from the voltage corresponding to the threshold voltage by a voltage corresponding to luminance of the light emitting element, and in a discharge period, a reset voltage is applied to a drain node of the transistor via a data line.

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

The display device includes a pixel circuit provided corresponding to a data line and a scanning line, the pixel circuit includes first to fourth transistors and a display element, and the first transistor supplies a current in accordance with a voltage between a gate node and a source node to the display element via the fourth transistor, the second transistor is disposed between the data line and the gate node of the first transistor and is turned on and off in accordance with a potential of the scanning line, the third transistor is disposed between the data line and a drain node of the first transistor, and the fourth transistor is disposed between the drain node of the first transistor and the display element.

Display device having first, second, third and fourth transistors, and electronic apparatus

An image light generation device includes a first panel configured to emit a first image light including a blue wavelength region, a second panel configured to emit a second image light including a wavelength region different from the blue wavelength region, and a color combining prism configured to combine the first image light and the second image light. The first panel includes a plurality of first pixels, each of the plurality of first pixels includes a first light emitting element, and a first transistor provided corresponding to the first light emitting element, the second panel includes a plurality of second pixels, each of the plurality of second pixels includes a second light emitting element, and a second transistor provided corresponding to the second light emitting element, and a size of the first transistor is greater than a size of the second transistor.

Image light generation device and image display device

A pixel circuit() and a pixel circuit(&#x2212;1) acquire a data signal from a data line. A selector() supplies the data signal acquired from the pixel circuit() to a light emitting element selected from the light emitting elements(&#x2212;1),(), and(+1). A selector(&#x2212;1) can select at least the light emitting element(&#x2212;1), and supplies the data signal acquired from the pixel circuit(&#x2212;1) to the selected destination. In a sub-frame B, the selector() selects the light emitting elements() and(+1), and the selector(&#x2212;1) selects the light emitting element(&#x2212;1). In a sub-frame A, the selector() selects the light emitting elements(&#x2212;1) and().

Display device and electronic device having selectors configured to select light emitting elements arranged in a matrix

The light-emitting device includes a display unit in which rectangular light-emitting pixels are arranged, and a light-shielding portion that defines a light-emitting region in the display unit and shields light in a region other than the light-emitting region of the display unit, and at least a part of a boundary between the light-emitting region and the light-shielding portion has a curved shape.

Growing community of inventors

Chino, Japan

Takumi Kodama