Method and materials for patterning of an amorphous, non-polymeric, organic matrix with electrically active material disposed therein
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G03F-00734
B41M-00312
B32B-00900
출원번호
US-0773029
(2004-02-05)
발명자
/ 주소
Hsu, Yong
Wolk, Martin B.
출원인 / 주소
3M Innovative Properties Company
인용정보
피인용 횟수 :
10인용 특허 :
36
초록▼
In one method of making an organic electroluminescent device, a transfer layer is solution coated on a donor substrate. The transfer layer includes an amorphous, non-polymeric, organic matrix with a light emitting material disposed in the matrix. The transfer layer is then selectively patterned on a
In one method of making an organic electroluminescent device, a transfer layer is solution coated on a donor substrate. The transfer layer includes an amorphous, non-polymeric, organic matrix with a light emitting material disposed in the matrix. The transfer layer is then selectively patterned on a receptor. Examples of patterning methods include laser thermal transfer or thermal head transfer. The method and associated materials can be used to form, for example, organic electroluminescent devices.
대표청구항▼
1. A method of making an organic electroluminescent display or device, the method comprising:providing a donor sheet comprising a substrate and a transfer layer disposed on the substrate, the transfer layer comprising an amorphous, non-polymeric, organic light-emitting dendrimer and an electrically
1. A method of making an organic electroluminescent display or device, the method comprising:providing a donor sheet comprising a substrate and a transfer layer disposed on the substrate, the transfer layer comprising an amorphous, non-polymeric, organic light-emitting dendrimer and an electrically active material; providing a receptor; and thermally transferring at least a portion of the transfer layer to the receptor. 2. The method of claim 1, wherein the donor sheet further comprises a light-to-heat conversion layer disposed between the substrate and the transfer layer.3. The method of claim 2, wherein the donor sheet further comprises an interlayer disposed between the light-to-heat conversion layer and the transfer layer.4. The method of the claim 2, wherein the donor sheet further comprises an underlayer disposed between the substrate and the light-to-heat conversion layer.5. The method of claim 1, wherein the transfer layer comprises more than one layer.6. The method of claim 1, wherein the transfer layer is solution coated on the substrate.7. The method of claim 1, wherein the donor sheet is directly heated to thermally transfer at least a portion of the transfer layer to the receptor.8. The method of claim 1, wherein the donor sheet is exposed to imaging radiation that is converted into heat to thermally transfer at least a portion of the transfer layer to the receptor.9. The method of claim 8, wherein the donor sheet further comprises a light-to-heat conversion layer that converts the imaging radiation into heat.10. The method of claim 9, wherein the donor sheet is exposed to imaging radiation through a mask.11. The method of claim 9, wherein the donor sheet is exposed to imaging radiation generated by a laser.12. The method of claim 8, wherein the donor sheet and the receptor are brought into intimate contact during thermal transfer of at least a portion of the transfer layer to the receptor.13. The method of claim 8, wherein the donor sheet is spaced from the receptor during thermal transfer of at least a portion of the transfer layer to the receptor.14. The method of claim 8, wherein at least a portion of the transfer layer is thermally transferred to the receptor in an imagewise fashion to form a pattern on the receptor.15. The method of claim 1, wherein the electrically active material produces, conducts or semi-conducts a charge carrier.16. The method of claim 1, wherein the electrically active material comprises a hole transport material.17. The method of claim 1, wherein the electrically active material comprises an electron transport material.
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Bellmann, Erika; Bentsen, James G.; Hsu, Yong; Nirmal, Manoj; Wolk, Martin B., Method and materials for patterning of an amorphous, non-polymeric, organic matrix with electrically active material disposed therein.
Bellmann,Erika; Bentsen,James G.; Hsu,Yong; Nirmal,Manoj; Wolk,Martin B., Method and materials for patterning of an amorphous, non-polymeric, organic matrix with electrically active material disposed therein.
Bellmann,Erika; Bentsen,James G.; Hsu,Yong; Nirmal,Manoj; Wolk,Martin B., Method and materials for patterning of an amorphous, non-polymeric, organic matrix with electrically active material disposed therein.
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