Samsung Display Co., Ltd.

Heeju Woo

Kikyung Youk

Seung-soo Ryu

Daehwan Jang

Chan-Jae Park

Sangduk Lee

Hyun A Lee

Daehyuk Im

Donghyun Lee

Byoungyong Kim

Eui Jeong Kang

Sanghyeon Song

Sun Oh Jeong

Hanbum Kwon

Cholong Won

A display device includes a substrate including a display area and a pad area, a plurality of pad electrodes disposed in the pad area on the substrate, a circuit board disposed to overlap at least a portion of the pad area on the substrate, and an anisotropic conductive layer disposed in the pad area between the substrate and the circuit board. The circuit board includes a base substrate and a plurality of bump electrodes disposed on a lower surface of the base substrate. The anisotropic conductive layer includes an adhesive layer and a plurality of conductive particles arranged in the adhesive layer. Each of the conductive particles includes a core, a first conductive film disposed on the core in a way such that at least a portion of the core is exposed, and a second conductive film entirely covering the core and the first conductive film.

Display device and method of manufacturing the same

The invention relates to display device and method of manufacturing the same. The display device includes: a substrate; a driving pad disposed on the substrate; an insulating layer exposing the driving pad and disposed on the substrate; a circuit board including a circuit pad overlapping the driving pad; and a connector disposed between the circuit board and the insulating layer and including a plurality of conductive particles electrically connecting the driving pad and the circuit pad, the driving pad including: a first pad disposed on the substrate; and a second pad disposed on the first pad and having an opening exposing the first pad.

A display device includes a base layer, a pixel disposed on the base layer, a signal line electrically connected to the pixel, a signal pad connected to the signal line, and a plurality of insulating layers disposed on the base layer. The signal pad includes a first conductive pattern connected to an end portion of the signal line, a second conductive pattern connected to the first conductive pattern, and at least one insulating pattern disposed between the end portion of the signal line and the second conductive pattern in a cross-sectional view and overlapping the second conductive pattern in a plan view.

Display device

A method for manufacturing a display device includes providing an electronic component between a plurality of bumps, providing a display panel, aligning the electronic component and the display panel, and applying ultrasonic waves to bond the plurality of bumps to signal pads. In providing first adhesive members, at least a portion of a top surface of each of the plurality of bumps is exposed between the first adhesive members.

Method for manufacturing display device

An ultrasonic bonding apparatus includes a stage on which a display panel is seated, a first ultrasonic generation unit which is connected to the stage and vibrates in a first direction and provide a first polarization, and a second ultrasonic generation unit in which an electronic component is seated and which vibrates in a second direction that is crossed with the first direction, and provides a second polarization, where a third polarization is provided on a plane on which the display panel contacts the electronic component.

Ultrasonic bonding apparatus and ultrasonic bonding method using the same

Growing community of inventors

Tongyeong-si, South Korea

Heeju Woo