Organic EL display device and method for manufacturing the organic EL display device
First Claim
1. An organic EL display device, comprising:
- lower electrodes including at a first layer and a second layer;
an upper electrode overlapping the lower electrode;
a first organic layer arranged between the lower electrodes and the upper electrode;
a laminated auxiliary line including a first auxiliary line located in the same layer as the first layer and a second auxiliary line located in the same layer as the second layer; and
a second organic layer formed of the same layer as the first organic layer,whereinthe second auxiliary line contacts with the first auxiliary line directly,a first connection hole is formed in the second auxiliary line,the second organic layer is located in the first connection hole, contacts with the first auxiliary line, and is out of contact with the first organic layer,the upper electrode is formed in a gap between the first organic layer and the second organic layer,the first auxiliary line is in contact with the upper electrode,the lower electrode and the laminated auxiliary line do not overlap with each other, andthe upper electrode includes a portion in direct contact with an upper surface of the first auxiliary line.
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Abstract
An organic EL display device includes a first organic layer that is arranged between lower electrodes and an upper electrode, and formed of a plurality of layers including a light emitting layer, a laminated auxiliary line that has a first auxiliary line and a second auxiliary line, and laminated on each other in order, and extend in one direction between two of pixels adjoining each other, and a second organic layer that is formed of a plurality of the same layers as the first organic layer, and arranged in contact with the first auxiliary line in a connection hole opened in the second auxiliary line so as to come out of contact with the first organic layer, in which the upper electrode is arranged in contact with the first auxiliary line around the second organic layer so as to embed the connection hole.
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Citations
15 Claims
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1. An organic EL display device, comprising:
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lower electrodes including at a first layer and a second layer; an upper electrode overlapping the lower electrode; a first organic layer arranged between the lower electrodes and the upper electrode; a laminated auxiliary line including a first auxiliary line located in the same layer as the first layer and a second auxiliary line located in the same layer as the second layer; and a second organic layer formed of the same layer as the first organic layer, wherein the second auxiliary line contacts with the first auxiliary line directly, a first connection hole is formed in the second auxiliary line, the second organic layer is located in the first connection hole, contacts with the first auxiliary line, and is out of contact with the first organic layer, the upper electrode is formed in a gap between the first organic layer and the second organic layer, the first auxiliary line is in contact with the upper electrode, the lower electrode and the laminated auxiliary line do not overlap with each other, and the upper electrode includes a portion in direct contact with an upper surface of the first auxiliary line. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification
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- Resources
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Current AssigneeJapan Display Incorporated
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Original AssigneeJapan Display Incorporated
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InventorsMatsumoto, Yuko, Sakamoto, Hirotsugu
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Primary Examiner(s)Le, Thao X
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Assistant Examiner(s)OJEH, NDUKA E
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Application NumberUS14/499,467Publication NumberTime in Patent Office890 DaysField of Search257/59, 257/72, 257/40, 257/E21.158, 257/E21.409, 257/E29.003, 257/E33.012, 257/E33.053, 257/E51.018, 257/83, 438/34, 438/29US Class Current1/1CPC Class CodesH10K 50/824 combined with auxiliary ele...H10K 59/122 Pixel-defining structures o...H10K 59/1315 comprising structures speci...H10K 59/80522 combined with auxiliary ele...H10K 71/00 Manufacture or treatment sp...
