# US 9,041,035 B2 · Organic light-emitting display apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,041,035 B2 - Document ID: US9041035B2 - Status: Granted - Kind: B2 - Application number: 13/914,210 - Filed: 2013-06-10 - Published: 2014-08-28 - Granted: 2015-05-26 - Earliest claimed: 2013-02-28 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Jae-Ik Lim; Jae-Kyoung Kim - Web page: https://patentgrep.com/patent/US9041035B2 ## CPC - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/35: comprising red-green-blue [RGB] subpixels - H10K 59/80518: {Reflective anodes, e.g. ITO combined with thick metallic layers} - H10K 59/8052: {Cathodes} - H10K 59/875: {Arrangements for extracting light from the devices} - H10K 59/8791: {Arrangements for improving contrast, e.g. preventing reflection of ambient light} - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract In an aspect, an organic light-emitting display apparatus is provided, including: an insulating layer having a inclined structure; a first electrode disposed on the insulating layer; a selective wavelength transparent layer disposed on the first electrode; a pixel defined layer disposed on the insulating layer and the first electrode and defining an emissive region and a non-emissive region; an organic emissive layer disposed on the first electrode; and a second electrode disposed on the organic emissive layer. ## Claims ### Claim 1 An organic light-emitting display apparatus comprising: an insulating layer having a inclined structure; a first electrode disposed on the insulating layer; a selective wavelength transparent layer disposed on and in direct physical contact with the first electrode; a pixel defined layer disposed on the insulating layer and the first electrode and defining an emissive region and a non-emissive region; an organic emissive layer disposed on the first electrode; and a second electrode disposed on the organic emissive layer. ### Claim 2 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the first electrode is provided on a bottom surface and a sidewall of the inclined structure. ### Claim 3 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the pixel defined layer extends on an upper surface of the insulating layer, and the emissive region comprises an opening exposing the first electrode. ### Claim 4 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the pixel defined layer covers the selective wavelength transparent layer. ### Claim 5 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the selective wavelength transparent layer further comprises an N(N≧3, N is an integer) number of low refractive index layers alternately stacked with an N number of high refractive index layers, wherein one of the low refractive index layers has a thickness T1 and each of the other low refractive index layers has a thickness T2. ### Claim 6 (depends on 5) The organic light-emitting display apparatus of claim 5, wherein a difference in a refractive index between the N number of low refractive index layers and the N number of high refractive index layers is equal to or greater than 0.5. ### Claim 7 (depends on 5) The organic light-emitting display apparatus of claim 5, wherein the thickness T1 is greater than the thicknesses T2. ### Claim 8 (depends on 5) The organic light-emitting display apparatus of claim 5, wherein a thickness of an intermediate layer of the low refractive index layers is greater than thicknesses of the other low refractive index layers. ### Claim 9 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein a sidewall of the inclined structure has a tilt angle in a range from about 20 degrees to about 70 degrees with respect to an extending line of a bottom surface of the inclined structure. ### Claim 10 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the inclined structure has a recess shape, and the first electrode has a concave shape. ### Claim 11 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the first electrode is disposed on a sidewall of the inclined structure, and reflects light generated in the organic emissive layer. ### Claim 12 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the inclined structure has a protruding shape, and the first electrode has a convex shape. ### Claim 13 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the first electrode is a transparent electrode, and the second electrode is a bottom emissive type comprising a reflective layer. ### Claim 14 An organic light-emitting display apparatus comprising: a substrate; an insulating layer disposed on the substrate and comprising a recess having an inclined surface; an organic light-emitting diode (OLED) disposed on the insulating layer and comprising a first electrode, an organic emissive layer, and a second electrode; a pixel defined layer disposed between the first electrode and the second electrode and defining an emissive region and a non-emissive region; and a selective wavelength transparent layer provided on the inclined surface between the first electrode and the pixel defined layer. ### Claim 15 (depends on 14) The organic light-emitting display apparatus of claim 14, wherein the first electrode is disposed on the inclined surface. ### Claim 16 (depends on 14) The organic light-emitting display apparatus of claim 14, wherein the insulating layer further comprises a plurality of recesses, and the OLED is disposed in each of the recesses. ### Claim 17 (depends on 14) The organic light-emitting display apparatus of claim 14, wherein an N(N≧3, N is an integer) number of low refractive index layers and an N number of high refractive index layers are alternately stacked in the selective wavelength transparent layer, wherein one of the low refractive index layers has a thickness T3 and each of the other low refractive index layers has a thickness T4, and wherein thickness T3 is different than the thicknesses T4. ### Claim 18 (depends on 14) The organic light-emitting display apparatus of claim 14, further comprising: a thin film transistor connected to the first electrode. ### Claim 19 (depends on 14) The organic light-emitting display apparatus of claim 14, further comprising a sealing film covering the OLED. ### Claim 20 (depends on 14) The organic light-emitting display apparatus of claim 14, wherein the first electrode comprises a reflective layer.