Sony Semiconductor Solutions Corporation

Takuma Fujii

Naobumi Toyomura

Takayuki Sakaguchi

Yosuke Motoyama

Provided is a pixel circuit capable of preventing slight light emission of an organic EL element due to leakage current from a driving transistor. Provided is a pixel circuit including: a light-emitting element that emits light at luminance corresponding to an amount of current; a first capacitance, which is a metal insulator metal (MIM) capacitance; and a second capacitance, which is a metal insulator semiconductor (MIS) capacitance disposed in parallel to the light-emitting element.

Pixel circuit, display device, and electronic apparatus

[Object] It is possible to further improve reliability. [Solution] There is provided a display device including: a pixel unit which is configured with a plurality of pixel circuits arranged in a matrix, each of the pixel circuits including a light emitting element and a driving circuit for driving the light emitting element; scanning lines which are interconnections connected to the respective pixel circuits and are provided to extend in a first direction and correspond to respective rows of a plurality of the pixel circuits; and signal lines which are interconnections connected to the respective pixel circuits and are provided to extend in a second direction orthogonal to the first direction and correspond to respective columns of a plurality of the pixel circuits. One of the scanning lines and the signal lines, provided for the one pixel circuit, which is larger in number is positioned in a lower-level interconnection layer. An electrode of a capacitance element included in the driving circuit is positioned in the interconnection layer in which either the scanning lines or the signal lines are provided.

Display device and electronic apparatus

A display device of the present disclosure includes: a pixel array unit in which pixels respectively including light emitting units are arranged; a writing scanning unit that writes a video signal while scanning each of the pixels of the pixel array unit in units of pixel rows; and a light emission driving unit that divides a display screen into a plurality of units in a scanning direction in units of the pixel rows, and performs light emission driving for each of the divided units.

Display device, driving method of display device, and electronic equipment

A display device according to an embodiment of the present technology includes a transparent substrate, an element substrate, a color filter layer, a metal electrode layer, and a transparent adhesive layer. The element substrate includes an opposing surface facing the transparent substrate, and an organic EL element that emits light from a display region of the opposing surface. The color filter layer is disposed on the opposing surface to avoid a bonding region provided in a peripheral region surrounding the display region of the opposing surface. The metal electrode layer is disposed on the element substrate to avoid at least a part of an overlapping region that overlaps with the bonding region when viewed from the transparent substrate. The transparent adhesive layer bonds the transparent substrate and the element substrate to each other via the bonding region.

Provided is a display device including: a pixel unit in which a plurality of pixel circuits (PIX_A, PIX_B, PIX_C) each of which includes a light emitting element and a driving circuit configured to drive the light emitting element are arranged in a matrix form. In a diffusion layer in which transistors included in the driving circuits of the pixel circuits (PIX_A, PIX_B, PIX_C) are formed, an electricity supply region () that is an active area for supplying an electric potential to a well is provided between mutually adjacent ones of the pixel circuits (PIX_A, PIX_B, PIX_C).

A display device includes: an organic EL layer formed over a circuit section formed over a substrate, an insulating layer interposed between the circuit section and the organic EL layer; a cathode electrode formed over the organic EL layer in common for all pixels; and a contact electrode that is provided at an outer peripheral portion of an effective pixel region and that electrically connects the cathode electrode and the circuit section. In the display device, the cathode electrode is electrically connected to the contact electrode, on an inner side as compared to an end surface of a film formation area of the organic EL layer.

Display device and electronic apparatus with contact electrode electrically connected to cathode electrode at concave area locations

To make it possible to improve display quality more. Provided is a display device including: a pixel unit in which a plurality of pixel circuits (PIX_A, PIX_B, PIX_C) each of which includes a light emitting element and a driving circuit configured to drive the light emitting element are arranged in a matrix form. In a diffusion layer in which transistors included in the driving circuits of the pixel circuits (PIX_A, PIX_B, PIX_C) are formed, an electricity supply region () that is an active area for supplying an electric potential to a well is provided between mutually adjacent ones of the pixel circuits (PIX_A, PIX_B, PIX_C).

Growing community of inventors

Kanagawa, Japan

Takuma Fujii