US2016087238A1PendingUtilityA1

Organic light-emitting display apparatus

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Assignee: SAMSUNG DISPLAY CO LTDPriority: Sep 9, 2013Filed: Dec 8, 2015Published: Mar 24, 2016
Est. expirySep 9, 2033(~7.1 yrs left)· nominal 20-yr term from priority
Inventors:Seok-Gyu YoonKyu-Hwan HwangDong Chan KimEung Do KimDong Kyu SeoBo-Ra JungWon-Jong KimYoung-Woo SongEui-Jin YooJong-Hyuk Lee
H10K 50/82H10K 59/80524H01L 2251/303H01L 2251/301H01L 51/5253H01L 51/5221H10K 59/12H10K 2102/00H10K 59/00H10K 50/16H10K 50/844H10K 50/828
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Claims

Abstract

An organic light emitting display apparatus, including a first electrode; a second electrode on the first electrode, the second electrode including silver and magnesium; an organic emission layer between the first electrode and the second electrode; a metal layer between the organic emission layer and the second electrode; and a barrier layer between the organic emission layer and the second electrode.

Claims

exact text as granted — not AI-modified
1 .- 23 . (canceled) 
     
     
         24 . An organic light emitting display apparatus, comprising:
 a first electrode;   a second electrode on the first electrode, the second electrode including silver and magnesium;   an organic emission layer between the first electrode and the second electrode; and   a mixed layer between the organic emission layer and the second electrode, the mixed layer including a metal and a barrier material.   
     
     
         25 . The organic light emitting display apparatus as claimed in  claim 24 , wherein the metal includes at least one selected from the group of ytterbium, samarium, calcium, strontium, europium, terbium, barium, lanthanum, and cesium. 
     
     
         26 . The organic light emitting display apparatus as claimed in  claim 24 , wherein the barrier material includes a fluoride. 
     
     
         27 . The organic light emitting display apparatus as claimed in  claim 26 , wherein the fluoride includes at least one selected from the group of LiF, CaF 2 , NaF 2  and AlF 3 . 
     
     
         28 . The organic light emitting display apparatus as claimed in  claim 24 , wherein the barrier material includes an oxide. 
     
     
         29 . The organic light emitting display apparatus as claimed in  claim 28 , wherein the oxide includes at least one selected from the group of CaO, LiO, MgO, ZnO, and ITO. 
     
     
         30 . The organic light emitting display apparatus as claimed in  claim 24 , wherein the barrier material includes a halogen-containing compound. 
     
     
         31 . The organic light emitting display apparatus as claimed in  claim 24 , wherein a weight percent of silver in the second electrode is greater than a weight percent of magnesium in the second electrode. 
     
     
         32 . The organic light emitting display apparatus as claimed in  claim 24 , further comprising a buffer layer, the buffer layer being between the organic emission layer and the second electrode. 
     
     
         33 . The organic light emitting display apparatus as claimed in  claim 32 , wherein the buffer layer is closer to the organic emission layer than the mixed layer is to the organic emission layer. 
     
     
         34 . The organic light emitting display apparatus as claimed in  claim 32 , wherein the buffer layer includes a fluoride. 
     
     
         35 . The organic light emitting display apparatus as claimed in  claim 34 , wherein the fluoride includes at least one selected from the group of LiF, CaF 2 , NaF 2  and AlF 3 . 
     
     
         36 . The organic light emitting display apparatus as claimed in  claim 32 , wherein the buffer layer includes an oxide. 
     
     
         37 . The organic light emitting display apparatus as claimed in  claim 36 , wherein the oxide includes at least one selected from the group of CaO, LiO, MgO, ZnO, and ITO. 
     
     
         38 . The organic light emitting display apparatus as claimed in  claim 32 , wherein the buffer layer includes a chloride. 
     
     
         39 . The organic light emitting display apparatus as claimed in  claim 38 , wherein the chloride includes RbCl. 
     
     
         40 . The organic light emitting display apparatus as claimed in  claim 32 , wherein the buffer layer includes an organic material. 
     
     
         41 . The organic light emitting display apparatus as claimed in  claim 24 , further comprising an electron transport layer, the electron transport layer being between the second electrode and the organic emission layer,
 wherein the mixed layer is between the electron transport layer and the second electrode.   
     
     
         42 . The organic light emitting display apparatus as claimed in  claim 41 , further comprising a buffer layer, the buffer layer being between the organic emission layer and the electron transport layer. 
     
     
         43 . The organic light emitting display apparatus as claimed in  claim 42 , wherein the buffer layer includes at least one selected from the group of fluorides, oxides, chlorides, and organic materials. 
     
     
         44 .- 65 . (canceled) 
     
     
         66 . An organic light emitting display apparatus comprising a plurality of pixels, wherein each pixel of the plurality of pixels includes:
 a first electrode;   a second electrode on the first electrode, the second electrode including silver and magnesium;   an organic emission layer between the first electrode and the second electrode; and   a mixed layer between the organic emission layer and the second electrode, the mixed layer including a metal and a barrier material.   
     
     
         67 . The organic light emitting display apparatus as claimed in  claim 66 , wherein the metal contains at least one selected from the group of ytterbium, samarium, calcium, strontium, europium, terbium, barium, lanthanum, and cesium. 
     
     
         68 . The organic light emitting display apparatus as claimed in  claim 66 , wherein the barrier material includes a fluoride. 
     
     
         69 . The organic light emitting display apparatus as claimed in  claim 68 , wherein the fluoride includes at least one selected from the group of LiF, CaF 2 , NaF 2  and AlF 3 . 
     
     
         70 . The organic light emitting display apparatus as claimed in  claim 66 , wherein the barrier material includes an oxide. 
     
     
         71 . The organic light emitting display apparatus as claimed in  claim 70 , wherein the oxide includes at least one selected from the group of CaO, LiO, MgO, ZnO, and ITO. 
     
     
         72 . The organic light emitting display apparatus as claimed in  claim 66 , wherein the barrier material includes a halogen-containing compound. 
     
     
         73 . The organic light emitting display apparatus as claimed in  claim 66 , wherein a weight percent of silver in the second electrode is greater than a weight percent of magnesium in the second electrode. 
     
     
         74 . The organic light emitting display apparatus as claimed in  claim 66 , further comprising a buffer layer, the buffer layer being between the second electrode and the organic emission layer. 
     
     
         75 . The organic light emitting display apparatus as claimed in  claim 74 , wherein the buffer layer is closer to the organic emission layer than the mixed layer is to the organic emission layer. 
     
     
         76 . The organic light emitting display apparatus as claimed in  claim 74 , wherein the buffer layer includes a fluoride. 
     
     
         77 . The organic light emitting display apparatus as claimed in  claim 76 , wherein the fluoride includes at least one selected from the group of LiF, CaF 2 , NaF 2  and AlF 3 . 
     
     
         78 . The organic light emitting display apparatus as claimed in  claim 74 , wherein the buffer layer includes an oxide. 
     
     
         79 . The organic light emitting display apparatus as claimed in  claim 78 , wherein the oxide includes at least one selected from the group of CaO, LiO, MgO, ZnO, and ITO. 
     
     
         80 . The organic light emitting display apparatus as claimed in  claim 74 , wherein the buffer layer includes a chloride. 
     
     
         81 . The organic light emitting display apparatus as claimed in  claim 80 , wherein the chloride includes RbCl. 
     
     
         82 . The organic light emitting display apparatus as claimed in  claim 74 , wherein the buffer layer includes an organic material.

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