Connection-post structures
A transfer-print component structure comprises a component having a component first side and an opposing component second side, and a single electrode disposed on the component first side. The single electrode is the only electrode disposed on the component first side. One or more stabilizing connection posts are disposed on the first side and extend away from the component. Each of the one or more stabilizing connection posts is electrically conductive and is electrically connected in common to the single electrode. In some embodiments, the one or more stabilizing connection posts comprise at least three distal portions disposed at three spatially separated locations that are not in a common line. A printed structure comprises a destination substrate with a contact pad with at least one stabilizing connection post is in electrical contact the contact pad.
1 . A transfer-print component structure, comprising:
a component having a component first side and an opposing component second side;
a single, substantially planar, and continuous electrode disposed on the component first side, wherein the single electrode is the only electrode disposed on the component first side; and
exactly three stabilizing connection posts disposed on the component first side and extending away from the component such that the three stabilizing connection posts protrude from the component first side, wherein each of the three stabilizing connection posts is electrically conductive and is electrically connected in common to the single electrode, wherein
the three stabilizing connection posts are disposed at three spatially separated locations that are not in a common line,
the three stabilizing connection posts are closer to an edge of the component first side than to a center of the component first side,
each of the three stabilizing connection posts comprises a sharp distal end with a sharp distal end area that is smaller than a proximal end area of the stabilizing connection post, and
the three sharp distal ends define a common plane such that the component is in electrical contact with a contact pad on a target substrate only the distal ends of the three connection posts contact the contact pad on the target substrate.
2 . The transfer-print component structure of claim 1 , wherein the three stabilizing connection posts comprise a stabilizing connection post with a distal end that is a linear rail with a length greater than a width, a curved rail with a length greater than a width, or a ring that is any simple closed curve.
3 . The transfer-print component structure of claim 1 , wherein the three stabilizing connection posts comprise a stabilizing connection post having a distal end with a distal length and a distal width, and the distal length is substantially the same as the distal width.
4 . The transfer-print component structure of claim 1 , wherein the three stabilizing connection posts comprise a stabilizing connection post having a flat distal end surface.
5 . The transfer-print component structure of claim 1 , wherein the three stabilizing connection posts comprise distal ends that terminate in a common plane parallel to the single electrode disposed on the component first side.
6 . The transfer-print component structure of claim 5 , wherein (i) each distal end of the distal ends that terminate in a common plane are substantially a point (ii), each distal end of the distal ends that terminate in a common plane is substantially a plane, or (iii) at least one distal end of the distal ends that terminate in a common plane is substantially a point and at least one distal end of the distal ends that terminate in a common plane is substantially a plane.
7 . The transfer-print component structure of claim 1 , wherein the component comprises a vertical LED or the transfer-print component structure is a vertical LED.
8 . The transfer-print component structure of claim 1 , wherein the single electrode disposed on the component first side substantially covers the component first side.
9 . The transfer-print component structure of claim 1 , comprising at least a portion of a tether physically connected to the component.
10 . The transfer-print component structure of claim 1 , further comprising one or more separate stabilizing connection posts protruding from the component first side and electrically disconnected from the single electrode.
11 . The transfer-print component structure of claim 10 , wherein the three separate stabilizing connection posts are disposed around a perimeter of the single electrode or the component first side or wherein at least one separate stabilizing connection post of the three separate stabilizing connection posts is closer to an edge of the single electrode or the component first side than at least one stabilizing connection post of the three stabilizing connection posts electrically connected in common to the single electrode.
12 . The transfer-print component structure of claim 1 , comprising a second electrode disposed exclusively on the component second side.
13 . The transfer-print component structure of claim 1 , comprising a destination substrate and a continuous contact pad disposed on the destination substrate, wherein the exactly three stabilizing connection posts are disposed in electrical contact with the continuous contact pad.
14 . The transfer-print component structure of claim 13 , comprising an adhesive disposed on the destination substrate that adheres the component to the destination substrate.
15 . The transfer-print component structure of claim 13 , wherein the single electrode is a first electrode, the component comprises a second electrode disposed on the component second side, and the component structure comprises a plurality of components and a common electrode disposed over the plurality of components opposite the destination substrate in electrical contact with the second electrode of each of the plurality of components.
16 . The transfer-print component structure of claim 1 , wherein the plane is substantially parallel to the single electrode.
17 . The transfer-print component structure of claim 1 , wherein the three stabilizing connection posts comprise a stabilizing connection post with a distal end that is a linear rail with a length greater than a width or a curved rail with a length greater than a width.
18 . A transfer-print component structure, comprising:
a component;
a substantially planar and continuous electrode disposed on a side of the component; and
stabilizing connection posts extending away and protruding from the side of the component, wherein
the stabilizing connection posts comprise a first stabilizing connection post having a distal end that is a linear rail with a length greater than a width or a curved rail that is not a closed ring and has a length greater than a width, and a second stabilizing connection post that is a polygonal solid,
the stabilizing connection posts comprise three distal portions disposed at three spatially separated locations that are not in a common line,
the three distal portions are closer to an edge of the component first side than to a center of the component first side,
the stabilizing connection posts comprise a stabilizing connection post having a sharp distal end area smaller than a proximal end area of the stabilizing connection post, and
the three distal portions define a common plane such that the component is in electrical contact with a contact pad on a target substrate only the three distal portions contact the contact pad on the target substrate.
19 . The transfer-print component structure of claim 18 , wherein each of the stabilizing connection posts is electrically conductive and commonly electrically connected to the continuous electrode.
20 . The transfer-print component structure of claim 18 , wherein the first stabilizing connection post and the second stabilizing connection post are the only stabilizing connection posts that extend from the side of the component.
21 . The transfer-print component structure of claim 18 , wherein every stabilizing connection post extending from the first side of the component is commonly electrically connected to the single electrode.
22 . The transfer-print component structure of claim 18 , wherein the plane is substantially parallel to the electrode.
23 . A transfer-print component structure, comprising:
a component;
a substantially planar and continuous single electrode disposed on a side of the component; and
one or more stabilizing connection posts extending away and protruding from the side of the component, wherein
each of the stabilizing connection posts is electrically conductive and is electrically connected in common to the single electrode,
the one or more stabilizing connection posts comprise a distal end that is any one or more of a linear rail with a length greater than a width or a curved rail that is not a closed ring with a length greater than a width,
the one or more stabilizing connection posts comprise three distal portions disposed at three spatially separated locations that are not in a common line,
the three distal portions are closer to an edge of the component first side than to a center of the component first side,
the one or more stabilizing connection posts comprise a stabilizing connection post having a sharp distal end area smaller than a proximal end area of the stabilizing connection post, and
the three distal portions define a common plane such that the component is in electrical contact with a contact pad on a target substrate only the three distal portions contact the contact pad on the target substrate.
24 . The transfer-print component structure of claim 23 , wherein the plane is substantially parallel to the single electrode.