Samsung Display Co., Ltd.

Minji Lee

Hyungjun An

Kwang-Min Kim

Cheolhwan Eom

Yul Kyu Lee

Sang Joon Ryu

Hyeaweon Shin

Jeahyun Lee

Jeongoh Jin

Hyori Shin

A method includes setting a first reference voltage, a second reference voltage lower than the first reference voltage and higher than a panel default voltage, and a reference current, applying the first reference voltage to the pixels, obtaining a first measurement current by measuring a current of the display panel generated in response to the first reference voltage, comparing the first measurement current with the reference current, obtaining a second measurement current by measuring a current of the display panel generated in response to the second reference voltage when the first measurement current is greater than the reference current, comparing the second measurement current with the reference current, and obtaining a panel setting voltage based on the first reference voltage and the second reference voltage when the second measurement current is less than or equal to the reference current.

Method of setting a panel voltage and display device incorporating the method

An electronic panel including a display panel and an input sensor which includes a base layer, a first sensing electrode, a first signal line electrically connected to the first sensing electrode, a first insulating layer overlapping the first sensing electrode, a second sensing electrode, a second signal line electrically connected to the second sensing electrode, and a second insulating layer overlapping the second sensing electrode, in which the first insulating layer includes an open edge that defines an open area, the open area exposes a portion of a first surface of the base layer and a portion of the first signal line in a plan view, and the first insulating layer has a first thickness at a first point spaced apart from the open edge and a second thickness greater than the first thickness at a second point disposed farther away from the open edge than the first point.

Electronic panel and electronic device having the same

A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.

Display device

An electronic panel including a base layer, a signal line disposed on the base layer, and an insulating layer disposed on the base layer and including an open edge that contacts the signal line and defines an open area, the open area exposing a portion of the base layer and an end portion of the signal line when viewed in a plan view, in which the insulating layer has a first thickness at a first point spaced apart from the open edge, and a second thickness greater than the first thickness at a second point disposed farther away from the open edge than the first point.

Growing community of inventors

Asan-si, South Korea

Minji Lee