Method for producing light-emitting display device, light-emitting display device and light-emitting display
View Patent ↗A method for producing a light-emitting display device, the method including forming a film of a light-transmissive resin material on a substrate over which a reflective metal and a semi-transparent member can be disposed in at least one of a plurality of pixel regions corresponding to red, green and blue; curing part of the film of the light-transmissive resin material to form a light-transmissive resin layer, the part being in a region including the at least one pixel region; and developing the light-transmissive resin layer after the curing to form an optical path length-adjusting layer.
1. A method for producing a light-emitting display device, the method comprising:
forming a film of a light-transmissive resin material on a substrate over which at least two reflective metals and corresponding semi-transparent cathode members are disposed in at least two pixel regions corresponding to red, green or blue,
curing part of the film of the light-transmissive resin material in an environment having an oxygen concentration of 2% or lower, to form a light-transmissive resin layer, the part being in a region including the at least two pixel regions,
developing the light-transmissive resin layer after the curing to form a first optical path length-adjusting layer over a first and second of the at least two reflective metals, and
forming transparent conductive anode films between each reflective metal, and the corresponding semi-transparent cathode member,
wherein the first optical path length-adjusting layer is between the at least two reflective metals and the transparent conductive anode films, and
wherein the light-transmissive resin material is formed of 1,10 decanediol methacrylate.
2. The method according to claim 1 , wherein the forming the film of the light-transmissive resin material is performed by a vapor-phase film forming method.
3. The method according to claim 2 , wherein the vapor-phase film forming method is a flash evaporation method.
4. The method according to claim 1 , wherein the forming the film of the light-transmissive resin material is performed by a spray coating method.
5. The method according to claim 1 , wherein the forming the film of the light-transmissive resin material is performed by an ink jet method.
6. The method according to claim 1 , wherein the light-transmissive resin material is a photocurable resin.
7. The method according to claim 6 , wherein the photocurable resin is formed of a radical polymerizable monomer.
8. The method according to claim 7 , wherein the radical polymerizable monomer contains two or more radical polymerizable functional groups.
9. The method according to claim 7 , wherein the radical polymerizable monomer is a monomer containing an ethylenically unsaturated double bond-containing group.
10. The method according to claim 9 , wherein the monomer containing an ethylenically unsaturated double bond-containing group is one of an acrylic acid ester and a methacrylic acid ester.
11. The method according to claim 7 , wherein the curing the part of the film of the light-transmissive resin material is performed by exposing and radical-polymerizing the radical polymerizable monomer in the presence of a photopolymerization initiator.
12. The method according to claim 7 , wherein the amount of the radical polymerizable monomer remaining in the first optical path length-adjusting layer is 1×10 −2 g/m 2 or lower.
13. The method according to claim 1 , wherein the first optical path length-adjusting layer is formed on a planarizing film, and the planarizing film is formed of the same light-transmissive resin material as the light-transmissive resin material of the first optical path length-adjusting layer.
14. The method according to claim 1 , wherein the light-transmissive resin material is a photo-dissolvable resin.
15. The method according to claim 1 , further comprising:
forming at least one additional optical path length-adjusting layer over the first optical path length-adjusting layer,
wherein the at least one additional optical path length-adjusting layer is between the at least two reflective metals and the transparent conductive anode films, and
wherein each pixel region has an optical distance and the optical distance of the red pixel regions is greater than the optical distance of the green pixel regions, and the optical distance of the green pixel regions is greater than the optical distance of the blue pixel regions.
16. A method for producing a light-emitting display device, the method comprising:
forming a film of a light-transmissive resin material on a substrate over which at least two reflective metals are disposed in at least two pixel regions corresponding to red, green or blue,
curing part of the film of the light-transmissive resin material in an environment having an oxygen concentration of 2% or lower, to form a light-transmissive resin layer, the part being in a region including the at least two pixel regions,
developing the light-transmissive resin layer after the curing to form a first optical path length-adjusting layer over a first and second of the at least two reflective metals,
forming transparent conductive anode films over at least a portion of each pixel region,
forming organic light emitting layers on the anode films, and
forming semi-transparent cathode members on the organic light emitting layers over at least a portion of each pixel region,
wherein the first optical path length-adjusting layer is between the at least two reflective metals and the transparent conductive anode films, and
wherein the light-transmissive resin material is formed of 1,10 decanediol methacrylate.
17. The method according to claim 16 , further comprising:
forming at least one additional optical path length-adjusting layer over the first optical path length-adjusting layer,
wherein the at least one additional optical path length-adjusting layer is between the at least two reflective metals and the transparent conductive anode films, and
wherein each pixel region has an optical distance and the optical distance of the red pixel regions is greater than the optical distance of the green pixel regions, and the optical distance of the green pixel regions is greater than the optical distance of the blue pixel regions.
18. A method for producing a light-emitting display device, the method comprising:
forming a film of a light-transmissive resin material on a substrate over which at least two reflective metals and corresponding semi-transparent cathode members are disposed in at least two pixel regions corresponding to red, green or blue,
curing part of the film of the light-transmissive resin material through irradiation with UV rays at an intensity of 2J/cm 2 or higher, to form a light-transmissive resin layer, the part being in a region including the at least two pixel regions,
developing the light-transmissive resin layer after the curing to form a first optical path length-adjusting layer over a first and second of the at least two reflective metals, and
forming transparent conductive anode films between each reflective metal, and the corresponding semi-transparent cathode member,
wherein the first optical path length-adjusting layer is between the at least two reflective metals and the transparent conductive anode films, and
wherein the light-transmissive resin material is formed of 1,10 decanediol methacrylate.