Patent ID: 11939173
Assignee: LG DISPLAY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC B  H | IPC B  H

Claim 12:
13. A microchip transfer method comprising:
(a) aligning a transportation head having and a liquid droplet attached thereto with a top of a chip support accommodating a microchip thereon;
(b) contacting the liquid droplet attached to the transportation head with the microchip mounted on the chip support and picking up the microchip from the chip support; and
(c) attaching the microchip picked up using the liquid droplet of the transportation head to a substrate and transferring the microchip thereto,
wherein the transportation head includes:
a head body having a plurality of pickup regions and a plurality of dummy regions being non-pickup regions and each pickup region disposed between two dummy regions;
a plurality of first protruding pins disposed in each pickup region of the head body;
one or more second protruding pins disposed in each dummy region of the head body; and
a liquid droplet attached to the plurality of first protruding pins,
wherein the liquid droplet is not attached to the one or more second protruding pins,
wherein the plurality of first protruding pins arranged to be spaced apart from each other in a first direction and a second direction intersecting the first direction in a matrix form in each pickup region of the head body, and
wherein the one or more second protruding pins have a same height as each of the plurality of first protruding pins.