Dual-type organic electroluminescent display device and method for manufacturing the same

A dual-type organic electroluminescent display (EL) device comprising:

• a main organic EL display panel having a main substrate and a main organic EL portion formed on the main substrate;
• a sub organic EL display panel having a sub substrate and a sub organic EL portion formed on the sub substrate;
• a sealing member sealing the main substrate and the sub substrate to each other, wherein the main organic EL portion and the sub organic EL portion are hermetically sealed facing each other;
• and
• passivation layers covering the main organic EL portion and the sub organic EL portion, wherein the passivation layers are provided on the main substrate and the sub substrate, respectively.

A dual-type organic electroluminescent display (EL) device comprising:

• a main organic EL display panel comprising:
• a transparent main substrate,
• a first electrode formed on the transparent main substrate in a first predetermined pattern,
• a first insulation layer pattern defining a predetermined light emitting area,
• organic layers formed over the first electrode and the first insulation layer in a predetermined pattern, and
• a second electrode having a second predetermined pattern in a direction orthogonal to the first electrode;
• a sub organic EL display panel comprising:
• a transparent sub substrate,
• a third electrode formed on the transparent sub substrate in a third predetermined pattern,
• a second insulation layer pattern defining a predetermined light emitting area,
• organic layers formed over the third electrode and the second insulation layer in a predetermined pattern, and
• a fourth electrode having a fourth predetermined pattern in a direction orthogonal to the third electrode;
• and
• a sealing member sealing the main substrate and the sub substrate to each other, wherein the main organic EL portion and the sub organic EL portion are hermetically sealed facing each other.

A method of manufacturing a dual-type organic EL device, the method comprising:

• preparing a main organic EL display panel, comprising:
• forming a first electrode on a transparent main substrate in a first predetermined pattern,
• forming a first insulation layer pattern defining a predetermined light emitting area,
• forming organic layers over the first electrode and the first insulation layer in a predetermined pattern, and
• forming a second electrode having a second predetermined pattern in a direction orthogonal to the first electrode;
• preparing a sub organic EL display panel;
• comprising:
• forming a third electrode on a transparent sub substrate in a third predetermined pattern,
• forming a second insulation layer pattern defining a predetermined light emitting area,
• forming organic layers over the third electrode and the second insulation layer in a predetermined pattern, and
• forming a fourth electrode having a fourth predetermined pattern in a direction orthogonal to the third electrode;
• and
• sealing the main substrate and the sub substrate to each other, wherein the main organic EL portion and the sub organic EL portion are hermetically sealed facing each other.