Light-emitting device, flexible light-emitting device, electronic device, and method for manufacturing light-emitting device and flexible-light emitting device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-027/14
H01L-027/12
출원번호
US-0005766
(2011-01-13)
등록번호
US-9000442
(2015-04-07)
우선권정보
JP-2010-010430 (2010-01-20)
발명자
/ 주소
Hatano, Kaoru
Nagata, Takaaki
Sugisawa, Nozomu
Okano, Tatsuya
Chida, Akihiro
Inoue, Tatsunori
출원인 / 주소
Semiconductor Energy Laboratory Co., Ltd.
대리인 / 주소
Robinson, Eric J.
인용정보
피인용 횟수 :
1인용 특허 :
44
초록▼
To simply provide a flexible light-emitting device with long lifetime. To provide a flexible light-emitting device with favorable display characteristics, high yield, and high reliability without display unevenness. Provided is a flexible light-emitting device including: a substrate having flexibili
To simply provide a flexible light-emitting device with long lifetime. To provide a flexible light-emitting device with favorable display characteristics, high yield, and high reliability without display unevenness. Provided is a flexible light-emitting device including: a substrate having flexibility and a property of transmitting visible light; an adhesive layer provided over the substrate; a conductive layer having a property of transmitting visible light provided over the adhesive layer; an insulating layer disposed over the conductive layer; a transistor provided over the insulating layer; an interlayer insulating layer covering the transistor, a light-emitting element including a first electrode electrically connected to source or drain electrodes of the transistor and provided over the interlayer insulating layer, a second electrode facing the first electrode, and a layer including an organic compound having a light-emitting property provided between the first and second electrodes; and a sealing layer covering the light-emitting element.
대표청구항▼
1. A light-emitting device, comprising: a substrate including an inorganic filler having a particle diameter of 40 nm or less;an adhesive layer over the substrate;an electrically conductive layer over the adhesive layer;an insulating layer over the electrically conductive layer;a first transistor ov
1. A light-emitting device, comprising: a substrate including an inorganic filler having a particle diameter of 40 nm or less;an adhesive layer over the substrate;an electrically conductive layer over the adhesive layer;an insulating layer over the electrically conductive layer;a first transistor over the insulating layer;an interlayer insulating layer over the first transistor;a light-emitting element over the interlayer insulating layer, wherein the light-emitting element comprises: a first electrode electrically connected to a source or a drain of the first transistor;a second electrode facing the first electrode; anda layer including an organic compound having a light-emitting property provided between the first electrode and the second electrode; anda sealing layer over the light-emitting element. 2. The light-emitting device according to claim 1, further comprising: a pixel portion including the light-emitting element and the first transistor; anda driver circuit portion outside the pixel portion, wherein the driver circuit portion includes a second transistor,wherein the first transistor and the second transistor are formed in a same process. 3. The light-emitting device according to claim 1, wherein an active layer of the first transistor comprises a crystalline silicon. 4. The light-emitting device according to claim 1, wherein an active layer of the first transistor comprises an oxide semiconductor. 5. The light-emitting device according to claim 1, wherein the sealing layer includes a metal substrate. 6. The light-emitting device according to claim 5, wherein the metal substrate comprises a material selected from stainless steel, aluminum, copper, nickel, and an aluminum alloy. 7. The light-emitting device according to claim 1, wherein the adhesive layer comprises at least one material selected from an epoxy resin, an acrylic resin, a silicone resin, and a phenol resin. 8. The light-emitting device according to claim 1 further comprising: a layer configured to prevent a penetration of moisture between the substrate and the adhesive layer. 9. The light-emitting device according to claim 8, wherein the layer configured to prevent a penetration of moisture is a layer including silicon and nitrogen or a layer containing aluminum and nitrogen. 10. The light-emitting device according to claim 1, wherein the substrate includes a first surface facing the sealing layer, and includes a second surface, which is provided with a coat layer, being opposite to the first surface, andwherein the substrate has flexibility. 11. The light-emitting device according to claim 10, wherein the coat layer has a property of transmitting visible light, andwherein the coat layer is harder than the substrate. 12. The light-emitting device according to claim 10, wherein the coat layer is a conductive layer having a property of transmitting visible light. 13. The light-emitting device according to claim 1, wherein the insulating layer includes silicon and nitrogen. 14. The light-emitting device according to claim 1, wherein the electrically conductive layer has a property of transmitting visible light. 15. An electronic device comprising the light-emitting device according to claim 1 for a display portion. 16. The light-emitting device according to claim 1, wherein the electrically conductive layer comprises any one of indium oxide, tin oxide, ITO, oxide of indium containing tungsten oxide, indium zinc oxide containing tungsten oxide, indium oxide containing titanium oxide, indium zinc oxide, indium tin oxide to which silicon oxide is added, and antimony oxide. 17. A light-emitting device, comprising: a substrate including an inorganic filler having a particle diameter of 40 nm or less;an adhesive layer over the substrate;a first insulating layer over the adhesive layer;an electrically conductive layer over the first insulating layer;a second insulating layer over the electrically conductive layer;a first transistor over the second insulating layer;an interlayer insulating layer over the first transistor;a light-emitting element over the interlayer insulating layer, wherein the light-emitting element comprises: a first electrode electrically connected to a source or a drain of the first transistor;a second electrode facing the first electrode; anda layer including an organic compound having a light-emitting property provided between the first electrode and the second electrode; anda sealing layer over the light-emitting element. 18. The light-emitting device according to claim 17, further comprising: a pixel portion including the light-emitting element and the first transistor; anda driver circuit portion outside the pixel portion, wherein the driver circuit portion includes a second transistor,wherein the first transistor and the second transistor are formed in a same process. 19. The light-emitting device according to claim 17, wherein an active layer of the first transistor comprises a crystalline silicon. 20. The light-emitting device according to claim 17, wherein an active layer of the first transistor comprises an oxide semiconductor. 21. The light-emitting device according to claim 17, wherein the sealing layer includes a metal substrate. 22. The light-emitting device according to claim 21, wherein the metal substrate comprises a material selected from stainless steel, aluminum, copper, nickel, and an aluminum alloy. 23. The light-emitting device according to claim 17, wherein the adhesive layer comprises at least one material selected from an epoxy resin, an acrylic resin, a silicone resin, and a phenol resin. 24. The light-emitting device according to claim 17 further comprising: a layer configured to prevent a penetration of moisture between the substrate and the adhesive layer. 25. The light-emitting device according to claim 24, wherein the layer configured to prevent a penetration of moisture is a layer including silicon and nitrogen or a layer containing aluminum and nitrogen. 26. The light-emitting device according to claim 17, wherein the substrate includes a first surface facing the sealing layer, and includes a second surface, which is provided with a coat layer, being opposite to the first surface, andwherein the substrate has flexibility. 27. The light-emitting device according to claim 26, wherein the coat layer has a property of transmitting visible light, andwherein the coat layer is harder than the substrate. 28. The light-emitting device according to claim 26, wherein the coat layer is a conductive layer having a property of transmitting visible light. 29. The light-emitting device according to claim 17, wherein the first insulating layer includes silicon and nitrogen. 30. The light-emitting device according to claim 17, wherein the electrically conductive layer has a property of transmitting visible light. 31. An electronic device comprising the light-emitting device according to claim 17 for a display portion. 32. The light-emitting device according to claim 17, wherein the electrically conductive layer comprises any one of indium oxide, tin oxide, ITO, oxide of indium containing tungsten oxide, indium zinc oxide containing tungsten oxide, indium oxide containing titanium oxide, indium zinc oxide, indium tin oxide to which silicon oxide is added, and antimony oxide. 33. A light-emitting device, comprising: a substrate including an inorganic filler having a particle diameter of 40 nm or less;an adhesive layer over the substrate;an electrically conductive layer over the adhesive layer;an insulating layer over the electrically conductive layer;a light-emitting element over the insulating layer, wherein the light-emitting element comprises: a first electrode;a second electrode facing the first electrode; anda layer including an organic compound having a light-emitting property provided between the first electrode and the second electrode; anda sealing layer over the light-emitting element. 34. The light-emitting device according to claim 33, wherein the sealing layer includes a metal substrate. 35. The light-emitting device according to claim 33, wherein the adhesive layer comprises at least one material selected from an epoxy resin, an acrylic resin, a silicone resin, and a phenol resin. 36. The light-emitting device according to claim 33 further comprising: a layer including silicon and nitrogen or a layer containing aluminum and nitrogen between the substrate and the adhesive layer. 37. The light-emitting device according to claim 33, wherein the substrate includes a first surface facing the sealing layer, and includes a second surface, which is provided with a second electrically conductive layer having a property of transmitting visible light, being opposite to the first surface,wherein the substrate has flexibility, andwherein the second electrically conductive layer is harder than the substrate. 38. The light-emitting device according to claim 33, wherein the insulating layer includes silicon and nitrogen. 39. An electronic device comprising the light-emitting device according to claim 33 for a display portion. 40. The light-emitting device according to claim 33, wherein the electrically conductive layer comprises any one of indium oxide, tin oxide, ITO, oxide of indium containing tungsten oxide, indium zinc oxide containing tungsten oxide, indium oxide containing titanium oxide, indium zinc oxide, indium tin oxide to which silicon oxide is added, and antimony oxide.
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