Method for manufacturing an organic semiconductor element
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-051/40
출원번호
US-0153515
(2011-06-06)
등록번호
US-8202760
(2012-06-19)
우선권정보
JP-2003-434620 (2003-12-26)
발명자
/ 주소
Hirakata, Yoshiharu
Ishitani, Tetsuji
Fukai, Shuji
Imahayashi, Ryota
출원인 / 주소
Semiconductor Energy Laboratory Co., Ltd.
대리인 / 주소
Nixon Peabody LLP
인용정보
피인용 횟수 :
2인용 특허 :
16
초록▼
In manufacturing a device using an organic TFT, it is essential to develop an element in which a channel length is short or a channel width is narrow to downsize a device. Based on the above, it is an object of the present invention to provide an organic TFT in which characteristic is improved. In v
In manufacturing a device using an organic TFT, it is essential to develop an element in which a channel length is short or a channel width is narrow to downsize a device. Based on the above, it is an object of the present invention to provide an organic TFT in which characteristic is improved. In view of the foregoing problem, one feature of the present invention is that an element is baked after an organic semiconductor film is deposited. More specifically, one feature of the present invention is that the organic semiconductor film is heated under atmospheric pressure or under reduced pressure. Moreover, a baking process may be carried out in an inert gas atmosphere.
대표청구항▼
1. A method for manufacturing an organic semiconductor element, comprising the steps of: forming a gate electrode;forming an adhesion-enhancing film over the gate electrode;forming an organic semiconductor film on and in contact with the adhesion-enhancing film;forming a source electrode and a drain
1. A method for manufacturing an organic semiconductor element, comprising the steps of: forming a gate electrode;forming an adhesion-enhancing film over the gate electrode;forming an organic semiconductor film on and in contact with the adhesion-enhancing film;forming a source electrode and a drain electrode over the organic semiconductor film; andheating the organic semiconductor film under atmospheric pressure or under reduced pressure. 2. A method for manufacturing an organic semiconductor element, comprising the steps of: forming a gate electrode;forming an adhesion-enhancing film over the gate electrode;forming an organic semiconductor film on and in contact with the adhesion-enhancing film;forming a source electrode and a drain electrode over the organic semiconductor film; andheating the organic semiconductor film under atmospheric pressure or under reduced pressure, in an inert gas atmosphere. 3. The method for manufacturing an organic semiconductor element according to claim 1, wherein the organic semiconductor film is heated at a temperature which is less than the melting point of the organic semiconductor film. 4. The method for manufacturing an organic semiconductor element according to claim 2, wherein the organic semiconductor film is heated at a temperature which is less than the melting point of the organic semiconductor film. 5. The method for manufacturing an organic semiconductor element according to claim 1, wherein the organic semiconductor film is heated at a temperature of less than 250° C. 6. The method for manufacturing an organic semiconductor element according to claim 2, wherein the organic semiconductor film is heated at a temperature of less than 250° C. 7. The method for manufacturing an organic semiconductor element according to claim 1, wherein the organic semiconductor film is formed by depositing pentacene by using a vacuum vapor deposition method. 8. The method for manufacturing an organic semiconductor element according to claim 2, wherein the organic semiconductor film is formed by depositing pentacene by using a vacuum vapor deposition method. 9. The method for manufacturing an organic semiconductor element according to claim 1, wherein the organic semiconductor film is heated in a processing chamber in which the organic semiconductor film is formed. 10. The method for manufacturing an organic semiconductor element according to claim 2, wherein the organic semiconductor film is heated in a processing chamber in which the organic semiconductor film is formed. 11. The method for manufacturing an organic semiconductor element according to claim 1, wherein the gate electrode or the source electrode is formed by using a conductive film comprising tungsten. 12. The method for manufacturing an organic semiconductor element according to claim 2, wherein the gate electrode or the source electrode is formed by using a conductive film comprising tungsten. 13. The method for manufacturing an organic semiconductor element according to claim 1, wherein the gate electrode is formed on a substrate made of synthetic resin. 14. The method for manufacturing an organic semiconductor element according to claim 2, wherein the gate electrode is formed on a substrate made of synthetic resin. 15. The method for manufacturing an organic semiconductor element according to claim 1, wherein the step of heating occurs before the step of forming the source electrode and the drain electrode. 16. The method for manufacturing an organic semiconductor element according to claim 2, wherein the step of heating occurs before the step of forming the source electrode and the drain electrode. 17. The method for manufacturing an organic semiconductor element according to claim 1, wherein the step of heating occurs after the step of forming the source electrode and the drain electrode. 18. The method for manufacturing an organic semiconductor element according to claim 2, wherein the step of heating occurs after the step of forming the source electrode and the drain electrode. 19. The method for manufacturing an organic semiconductor element according to claim 1, wherein the organic semiconductor element is applied to an electronic apparatus selected from the group consisting of a cellular phone, a TV receiver, and an ID card. 20. The method for manufacturing an organic semiconductor element according to claim 2, wherein the organic semiconductor element is applied to an electronic apparatus selected from the group consisting of a cellular phone, a TV receiver, and an ID card.
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