# US 9,437,840 B2 · Organic light emitting display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,437,840 B2 - Document ID: US9437840B2 - Status: Granted - Kind: B2 - Application number: 14/645,702 - Filed: 2015-03-12 - Published: 2016-04-14 - Granted: 2016-09-06 - Earliest claimed: 2014-10-10 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Chungsock Choi; Jinkoo Kang; Sanghwan Cho - Web page: https://patentgrep.com/patent/US9437840B2 ## CPC - H10K 59/40: OLEDs integrated with touch screens - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers} - H10K 2102/00: Constructional details relating to the organic devices covered by this subclass - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract An organic light emitting display device includes a substrate, a display unit on the substrate, the display unit including a plurality of light-emitting areas in a lattice pattern, and an antireflective film on the display unit, the antireflective film including at least two metal layers and at least two dielectric layers that are alternately stacked, and each of the at least two metal layers including a plurality of islands in a lattice pattern overlapping the light-emitting areas of the display unit. ## Claims ### Claim 1 An organic light emitting display device, comprising: a substrate; a display unit on the substrate, the display unit including a plurality of light-emitting areas in a lattice pattern; and an antireflective film on the display unit, the antireflective film including at least two metal layers and at least two dielectric layers that are alternately stacked, and each of the at least two metal layers including a plurality of islands in a lattice pattern overlapping the light-emitting areas of the display unit. ### Claim 2 (depends on 1) The organic light emitting display device as claimed in claim 1, wherein the plurality of islands are disposed inside the at least two dielectric layers. ### Claim 3 (depends on 1) The organic light emitting display device as claimed in claim 1, further comprising a capacitive touch screen layer above the display unit. ### Claim 4 (depends on 3) The organic light emitting display device as claimed in claim 3, wherein the capacitive touch screen layer is on an upper side or lower side of the antireflective film. ### Claim 5 (depends on 1) The organic light emitting display device as claimed in claim 1, wherein the display unit further comprises a pixel defining film defining the plurality of light-emitting areas, a light-absorption layer having a black matrix overlapping the pixel defining film being disposed above the display unit. ### Claim 6 (depends on 5) The organic light emitting display device as claimed in claim 5, wherein edge portions of the black matrix overlap edge portions of the plurality of islands. ### Claim 7 (depends on 5) The organic light emitting display device as claimed in claim 5, wherein the black matrix includes black metal powder dispersed in resin. ### Claim 8 (depends on 5) The organic light emitting display device as claimed in claim 5, wherein the light-absorption layer is on an upper side or a lower side of the antireflective film. ### Claim 9 (depends on 1) The organic light emitting display device as claimed in claim 1, wherein each of the at least two metal layers includes at least one of aluminum (Al), molybdenum (Mo), chromium (Cr), tungsten (W), titanium (Ti), silver (Ag), nickel (Ni), cobalt (Co), copper (Cu), CrNx, TiNx, NiS, MoOx, CrOx, and WOx. ### Claim 10 (depends on 1) The organic light emitting display device as claimed in claim 1, wherein each of the at least two dielectric layers includes at least one of SiO2, CaF2, MgF2, LiF, SiNx, SiCN, SiON, TaxOy, and TiOx. ### Claim 11 (depends on 1) The organic light emitting display device as claimed in claim 1, further comprising a thin film encapsulation layer sealing the display unit. ### Claim 12 (depends on 11) The organic light emitting display device as claimed in claim 11, wherein the thin film encapsulation layer includes a plurality of alternately stacked inorganic films and organic films. ### Claim 13 (depends on 11) The organic light emitting display device as claimed in claim 11, wherein: each of the light-emitting areas includes a first electrode, a second electrode, and an intermediate layer with an organic light emitting layer between the first and second electrodes, and a functional layer and a protective layer are positioned between the second electrode and the thin film encapsulation layer. ### Claim 14 (depends on 1) The organic light emitting display device as claimed in claim 1, further comprising an encapsulation substrate above the display unit, the antireflective film being on the encapsulation substrate, and a sealing material being on edge portions of the substrate and the encapsulation substrate. ### Claim 15 (depends on 14) The organic light emitting display device as claimed in claim 14, further comprising a capacitive touch screen layer above the display unit. ### Claim 16 (depends on 15) The organic light emitting display device as claimed in claim 15, wherein the display unit further comprises a pixel defining film defining the plurality of light-emitting areas, a light-absorption layer having a black matrix overlapping the pixel defining film being disposed above the display unit. ### Claim 17 (depends on 16) The organic light emitting display device as claimed in claim 16, wherein the light-absorption layer is on an upper side or a lower side of the antireflective film. ### Claim 18 (depends on 16) The organic light emitting display device as claimed in claim 16, wherein edge portions of the black matrix overlap edge portions of the plurality of islands. ### Claim 19 (depends on 14) The organic light emitting display device as claimed in claim 14, wherein the capacitive touch screen layer is on an upper side or a lower side of the antireflective film. ### Claim 20 (depends on 14) The organic light emitting display device as claimed in claim 14, further comprising a gap between the encapsulation substrate and the display unit, a filler being in the gap.