Method for manufacturing semiconductor device
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IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-021/30
H01L-021/46
출원번호
US-0705828
(2007-02-14)
등록번호
US-8222116
(2012-07-17)
우선권정보
JP-2006-058513 (2006-03-03)
발명자
/ 주소
Jinbo, Yasuhiro
Morisue, Masafumi
Kimura, Hajime
Yamazaki, Shunpei
출원인 / 주소
Semiconductor Energy Laboratory Co., Ltd.
대리인 / 주소
Robinson, Eric J.
인용정보
피인용 횟수 :
11인용 특허 :
25
초록▼
The present invention provides a manufacturing technique of a semiconductor device and a display device using a peeling process, in which a transfer process can be conducted with a good state in which a shape and property of an element before peeling are kept. Further, the present invention provides
The present invention provides a manufacturing technique of a semiconductor device and a display device using a peeling process, in which a transfer process can be conducted with a good state in which a shape and property of an element before peeling are kept. Further, the present invention provides a manufacturing technique of more highly reliable semiconductor devices and display devices with high yield without complicating the apparatus and the process for manufacturing. According to the present invention, an organic compound layer including a photocatalyst substance is formed over a first substrate having a light-transmitting property, an element layer is formed over the organic compound layer including a photocatalyst substance, the organic compound layer including a photocatalyst substance is irradiated with light which has passed through the first substrate, and the element layer is peeled from the first substrate.
대표청구항▼
1. A method for manufacturing a semiconductor device comprising: forming an organic compound layer over a first substrate having a light-transmitting property, the organic compound layer including an organic compound and dispersedly including a photocatalyst substance;forming an element layer over t
1. A method for manufacturing a semiconductor device comprising: forming an organic compound layer over a first substrate having a light-transmitting property, the organic compound layer including an organic compound and dispersedly including a photocatalyst substance;forming an element layer over the organic compound layer;activating the photocatalyst substance by irradiating the organic compound layer with light through the first substrate so that the photocatalyst substance absorbs the light;decomposing the organic compound by the activated photocatalyst substance;separating the element layer from the first substrate; andattaching a second substrate to a surface of the organic compound layer, after the step of separating the element layer. 2. A method for manufacturing a semiconductor device comprising: forming an organic compound layer over a first substrate having a light-transmitting property, the organic compound layer including an organic compound and dispersedly including a photocatalyst substance;forming an insulating layer over the organic compound layer;forming an element layer over the insulating layer;activating the photocatalyst substance by irradiating the organic compound layer with light through the first substrate so that the photocatalyst substance absorbs the light;decomposing the organic compound by the activated photocatalyst substance;separating the element layer and the insulating layer from the first substrate; andattaching a second substrate to a surface of the organic compound layer, after the step of separating the element layer and the insulating layer. 3. A method for manufacturing a semiconductor device comprising: forming an organic compound layer over a first substrate having a light-transmitting property, the organic compound layer including an organic compound and dispersedly including a photocatalyst substance;forming an element layer over the organic compound layer;activating the photocatalyst substance by irradiating the organic compound layer with light through the first substrate so that the photocatalyst substance absorbs the light;decomposing the organic compound by the activated photocatalyst substance;attaching a second substrate to the element layer;separating the element layer from the first substrate with the second substrate; andattaching a third substrate to a surface of the organic compound layer, after the step of separating the element layer. 4. A method for manufacturing a semiconductor device comprising: forming an organic compound layer over a first substrate having a light-transmitting property, the organic compound layer including an organic compound and dispersedly including a photocatalyst substance;forming an insulating layer over the organic compound layer;forming an element layer over the insulating layer;activating the photocatalyst substance by irradiating the organic compound layer with light through the first substrate so that the photocatalyst substance absorbs the light;decomposing the organic compound by the activated photocatalyst substance;attaching a second substrate to the element layer; andseparating the element layer and the insulating layer from the first substrate with the second substrate; andattaching a third substrate to a surface of the organic compound layer, after the step of separating the element layer and the insulating layer. 5. The method for manufacturing a semiconductor device according to claim 3, wherein the second substrate has flexibility. 6. The method for manufacturing a semiconductor device according to claim 4, wherein the second substrate has flexibility. 7. A method for manufacturing a semiconductor device, comprising the steps of: forming an organic compound layer over a first substrate having a light-transmitting property, the organic compound layer including an organic compound and dispersedly including a photocatalyst substance;forming an element layer over the organic compound layer;activating the photocatalyst substance by irradiating the organic compound layer with light through the first substrate so that the photocatalyst substance absorbs the light;decomposing the organic compound by the activated photocatalyst substance;attaching a second substrate to the element layer;separating the element layer from the first substrate with the second substrate; andattaching a third substrate to a surface of the organic compound layer by an adhesive layer, after the step of separating the element layer. 8. A method for manufacturing a semiconductor device, comprising the steps of: forming an organic compound layer over a first substrate having a light-transmitting property, the organic compound layer including an organic compound and dispersedly including a photocatalyst substance;forming an insulating layer over the organic compound layer including the photocatalyst substance;forming an element layer over the insulating layer;activating the photocatalyst substance by irradiating the organic compound layer with light through the first substrate so that the photocatalyst substance absorbs the light;decomposing the organic compound by the activated photocatalyst substance;attaching a second substrate to the element layer;separating the element layer and the insulating layer from the first substrate with the second substrate; andattaching a third substrate to a surface of the organic compound layer by an adhesive layer, after the step of separating the element layer and the insulating layer. 9. The method for manufacturing a semiconductor device according to claim 7, wherein the third substrate does not transmit light. 10. The method for manufacturing a semiconductor device according to claim 8, wherein the third substrate does not transmit light. 11. The method for manufacturing a semiconductor device according to claim 7, wherein the second substrate and the third substrate have flexibility. 12. The method for manufacturing a semiconductor device according to claim 8, wherein the second substrate and the third substrate have flexibility. 13. The method for manufacturing a semiconductor device according to claim 1, wherein a thin film transistor is formed in the element layer. 14. The method for manufacturing a semiconductor device according to claim 2, wherein a thin film transistor is formed in the element layer. 15. The method for manufacturing a semiconductor device according to claim 3, wherein a thin film transistor is formed in the element layer. 16. The method for manufacturing a semiconductor device according to claim 4, wherein a thin film transistor is formed in the element layer. 17. The method for manufacturing a semiconductor device according to claim 7, wherein a thin film transistor is formed in the element layer. 18. The method for manufacturing a semiconductor device according to claim 8, wherein a thin film transistor is formed in the element layer. 19. The method for manufacturing a semiconductor device according to claim 1, wherein a liquid crystal display element is included in the element layer. 20. The method for manufacturing a semiconductor device according to claim 2, wherein a liquid crystal display element is included in the element layer. 21. The method for manufacturing a semiconductor device according to claim 3, wherein a liquid crystal display element is included in the element layer. 22. The method for manufacturing a semiconductor device according to claim 4, wherein a liquid crystal display element is included in the element layer. 23. The method for manufacturing a semiconductor device according to claim 7, wherein a liquid crystal display element is included in the element layer. 24. The method for manufacturing a semiconductor device according to claim 8, wherein a liquid crystal display element is included in the element layer. 25. The method for manufacturing a semiconductor device according to claim 1, wherein a light-emitting layer is included in the element layer. 26. The method for manufacturing a semiconductor device according to claim 2, wherein a light-emitting layer is included in the element layer. 27. The method for manufacturing a semiconductor device according to claim 3, wherein a light-emitting layer is included in the element layer. 28. The method for manufacturing a semiconductor device according to claim 4, wherein a light-emitting layer is included in the element layer. 29. The method for manufacturing a semiconductor device according to claim 7, wherein a light-emitting layer is included in the element layer. 30. The method for manufacturing a semiconductor device according to claim 8, wherein a light-emitting layer is included in the element layer. 31. The method for manufacturing a semiconductor device according to claim 1, further comprising a step of: providing a back light module over one side of the element layer, the back light module including a plurality of light-emitting diodes provided over a flexible substrate. 32. The method for manufacturing a semiconductor device according to claim 2, further comprising a step of: providing a back light module over one side of the element layer, the back light module including a plurality of light-emitting diodes provided over a flexible substrate. 33. The method for manufacturing a semiconductor device according to claim 3, further comprising a step of: providing a back light module over one side of the element layer, the back light module including a plurality of light-emitting diodes provided over a flexible substrate. 34. The method for manufacturing a semiconductor device according to claim 4, further comprising a step of: providing a back light module over one side of the element layer, the back light module including a plurality of light-emitting diodes provided over a flexible substrate. 35. The method for manufacturing a semiconductor device according to claim 7, further comprising a step of: providing a back light module over one side of the element layer, the back light module including a plurality of light-emitting diodes provided over a flexible substrate. 36. The method for manufacturing a semiconductor device according to claim 8, further comprising a step of: providing a back light module over one side of the element layer, the back light module including a plurality of light-emitting diodes provided over a flexible substrate. 37. The method for manufacturing a semiconductor device according to claim 1, wherein the light is a combination of light emitted from a lamp light source and laser light. 38. The method for manufacturing a semiconductor device according to claim 2, wherein the light is a combination of light emitted from a lamp light source and laser light. 39. The method for manufacturing a semiconductor device according to claim 3, wherein the light is a combination of light emitted from a lamp light source and laser light. 40. The method for manufacturing a semiconductor device according to claim 4, wherein the light is a combination of light emitted from a lamp light source and laser light. 41. The method for manufacturing a semiconductor device according to claim 7, wherein the light is a combination of light emitted from a lamp light source and laser light. 42. The method for manufacturing a semiconductor device according to claim 8, wherein the light is a combination of light emitted from a lamp light source and laser light. 43. The method for manufacturing a semiconductor device according to claim 1, wherein the photocatalyst substance has a crystal structure. 44. The method for manufacturing a semiconductor device according to claim 2, wherein the photocatalyst substance has a crystal structure. 45. The method for manufacturing a semiconductor device according to claim 3, wherein the photocatalyst substance has a crystal structure. 46. The method for manufacturing a semiconductor device according to claim 4, wherein the photocatalyst substance has a crystal structure. 47. The method for manufacturing a semiconductor device according to claim 7, wherein the photocatalyst substance has a crystal structure. 48. The method for manufacturing a semiconductor device according to claim 8, wherein the photocatalyst substance has a crystal structure. 49. The method for manufacturing a semiconductor device according to claim 1, wherein the photocatalyst substance is doped with a transition metal. 50. The method for manufacturing a semiconductor device according to claim 2, wherein the photocatalyst substance is doped with a transition metal. 51. The method for manufacturing a semiconductor device according to claim 3, wherein the photocatalyst substance is doped with a transition metal. 52. The method for manufacturing a semiconductor device according to claim 4, wherein the photocatalyst substance is doped with a transition metal. 53. The method for manufacturing a semiconductor device according to claim 7, wherein the photocatalyst substance is doped with a transition metal. 54. The method for manufacturing a semiconductor device according to claim 8, wherein the photocatalyst substance is doped with a transition metal. 55. The method for manufacturing a semiconductor device according to claim 1, wherein a concentration of the photocatalyst substance in the organic compound layer has a gradient in a film thickness direction. 56. The method for manufacturing a semiconductor device according to claim 2, wherein a concentration of the photocatalyst substance in the organic compound layer has a gradient in a film thickness direction. 57. The method for manufacturing a semiconductor device according to claim 3, wherein a concentration of the photocatalyst substance in the organic compound layer has a gradient in a film thickness direction. 58. The method for manufacturing a semiconductor device according to claim 4, wherein a concentration of the photocatalyst substance in the organic compound layer has a gradient in a film thickness direction. 59. The method for manufacturing a semiconductor device according to claim 7, wherein a concentration of the photocatalyst substance in the organic compound layer has a gradient in a film thickness direction. 60. The method for manufacturing a semiconductor device according to claim 8, wherein a concentration of the photocatalyst substance in the organic compound layer has a gradient in a film thickness direction.
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