Samsung Display Co., Ltd.

Joong Mok Lee

So Yeon Joo

Han Ho Park

Chung Seok Lee

Jeong Eun Park

Chung-Seok Lee

Ha Young Choi

Eun Jeong Jeon

Jeong Min Ban

A display device includes a display panel including a plurality of panel pads, and a panel alignment mark adjacent to the plurality of panel pads. A connection circuit board is connected to the display panel. The connection circuit board includes a plurality of input/output pads and a plurality of dummy pads adjacent to the plurality of input/output pads. Some of the plurality of dummy pads overlap the panel alignment mark in a thickness direction of the display device.

Display device including a panel alignment mark

A display device includes a display panel including a first signal pad portion including first signal pads, a second signal pad portion including second signal pads, and a first dummy pad portion disposed between the first signal pad portion and the second signal pad portion and including at least one first dummy pad, and a flexible circuit board including a first terminal portion including first terminals, a second terminal portion including second terminals, and a first cut portion disposed between the first terminal portion and the second terminal portion. The flexible circuit board is compressed to the display panel. The first terminals are electrically connected to the first signal pads. The second terminals are electrically connected to the second signal pads. The first cut portion overlaps the first dummy pad portion.

Display device

A display device includes a display panel, a printed circuit board (PCB), and a flexible printed circuit board (FPCB). The display panel includes a first pad portion. The PCB includes a second pad portion. The FPCB includes a first end portion and a second end portion. The first end portion is connected to the first pad portion, and the second end portion is connected to the second pad portion. The second pad portion includes a first pad group and a second pad group, each including a plurality of test pads. One test pad of the first pad group is connected to one test pad of the second pad group.

Growing community of inventors

Suwon-si, South Korea

Joong Mok Lee