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US 2016/0020398 A1Published application
Donor substrate and method for forming transfer pattern using the same
AssigneeSamsung Display Co., Ltd.
InventorYoungGil KWON
Life of this patent
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Abstract
A donor substrate includes a base layer, a light-to-heat conversion layer disposed on the base layer, a buffer layer disposed on the light-to-heat conversion layer and a transfer layer disposed on the buffer layer. The buffer layer includes a cross-linked polymer, a spacer polymer bonded to the cross-linked polymer, and a perfluoroalkyl alcohol group bonded to the spacer polymer.
Claims19
A donor substrate comprising:
- a base layer;
- a light-to-heat conversion layer disposed on the base layer;
- a buffer layer disposed on the light-to-heat conversion layer, the buffer layer including a cross-linked polymer, a spacer polymer bonded to the cross-linked polymer, and a perfluoroalkyl alcohol group bonded to the spacer polymer;
- and
- a transfer layer disposed on the buffer layer, and
- wherein a surface of the buffer layer has hydrophobic properties.
3 more elements
A method for forming a transfer pattern, comprising:
- disposing a donor substrate comprising a base layer, a light-to-heat conversion layer disposed on the base layer, a buffer layer disposed on the light-to-heat conversion layer and including a cross-linked polymer, a spacer polymer bonded to the cross-linked polymer, and a perfluoroalkyl alcohol group bonded to the spacer polymer, and a transfer layer disposed on the buffer layer, on a transcription substrate to make a contact between the transfer layer and the transcription substrate, wherein a surface of the buffer layer has hydrophobic properties, and the transfer layer attached to the surface having hydrophobic properties;
- exposing the donor substrate to transfer the transfer pattern onto the transcription substrate;
- and
- removing the donor substrate from the transcription substrate.
1 more element
A method for forming a transfer pattern on an organic light emitting display substrate, comprising:
- disposing a donor substrate comprising a base layer, a light-to-heat conversion layer disposed on the base layer, a buffer layer disposed on the light-to-heat conversion layer and including a cross-linked polymer, a spacer polymer bonded to the cross-linked polymer, and a perfluoroalkyl alcohol group bonded to the spacer polymer, and a transfer layer disposed on the buffer layer, on a base substrate of the organic light emitting display substrate to make a contact between the transfer layer and the base substrate, wherein a surface of the buffer layer has hydrophobic properties;
- exposing the donor substrate to light to transfer the transfer pattern onto the base substrate, wherein the organic light emitting display substrate includes an organic light emitting device, and wherein the transfer pattern constitutes at least a portion of the organic light emitting device and includes at least one of a hole transporting layer, an organic light emitting layer, a hole injection layer and an electron injection layer;
- and
- removing the donor substrate from the base substrate after forming the transfer pattern.
1 more element
Dependencies are inferred from the claim text.