# US 2017/0288174 A1 · Display unit, method of manufacturing display unit, and electronic apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0288174 A1 - Document ID: US20170288174A1 - Status: Published application - Kind: A1 - Application number: 15/512,572 - Filed: 2015-09-16 - Published: 2017-10-05 - Earliest claimed: 2014-10-09 - Assignees: Sony Corporation - Applicants: Sony Corporation - Inventors: DAISUKE UEDA - Web page: https://patentgrep.com/patent/US20170288174A1 ## CPC - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/80522: {combined with auxiliary electrodes} - H10K 59/878: {comprising reflective means} - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract A display unit includes a plurality of pixels, a reflector layer, and an auxiliary electrode. Each of the plurality of pixels has a first electrode, an organic layer, and a second electrode in this order. The organic layer and the second electrode are provided on the first electrode. The organic layer includes a light-emitting layer. The reflector layer has a light-reflecting surface around each of the pixels. The auxiliary electrode is provided on the reflector layer and is projected from an upper end of the light-reflecting surface. The auxiliary electrode has a portion which is exposed from the organic layer, and the exposed portion is covered with the second electrode. ## Claims ### Claim 1 A display unit comprising: a plurality of pixels each having a first electrode, an organic layer, and a second electrode in this order, the organic layer and the second electrode being provided on the first electrode, the organic layer including a light-emitting layer; a reflector layer having a light-reflecting surface around each of the pixels; and an auxiliary electrode that is provided on the reflector layer and is projected from an upper end of the light-reflecting surface, the auxiliary electrode having a portion which is exposed from the organic layer, the exposed portion being covered with the second electrode. ### Claim 2 (depends on 1) The display unit according to claim 1, wherein the reflector layer has a plurality of recesses each having the light-reflecting surface, the plurality of recesses facing the respective pixels, the auxiliary electrode has a plurality of apertures that face the respective recesses, and an aperture shape of each of the apertures in the auxiliary electrode is smaller than a shape of each of the recesses on upper end side in a plan view. ### Claim 3 (depends on 2) The display unit according to claim 2, wherein the shape of each of the recesses is substantially similar to the aperture shape of each of the apertures. ### Claim 4 (depends on 3) The display unit according to claim 3, wherein the aperture shape of each of the apertures is smaller than the shape of each of the recesses. ### Claim 5 (depends on 1) The display unit according to claim 1, further comprising another organic layer that is provided on the auxiliary electrode and contains a material same as a material of the organic layer. ### Claim 6 (depends on 1) The display unit according to claim 1, wherein the reflector layer contains silicon oxide (SiOx), magnesium fluoride (MgF2), lithium fluoride (LiF), a polyimide resin, an acrylic resin, a fluorine resin, a silicone resin, a fluorine-based polymer, or a silicon-based polymer. ### Claim 7 (depends on 1) The display unit according to claim 1, wherein the auxiliary electrode contains one or more of titanium (Ti), molybdenum (Mo), copper (Cu), and aluminum (Al). ### Claim 8 (depends on 1) The display unit according to claim 1, wherein the auxiliary electrode contains one or more of indium-tin oxide (ITO), titanium oxide (TiO), indium-zinc oxide (IZO), indium-gallium-zinc oxide (IGZO), zinc oxide (ZnO), aluminum-added zinc oxide (AZO), fluorine (F)-added zinc oxide (ZnO:F), fluorine-added tin oxide (FTO), and fluorine-added silicon oxide (SiO2:F). ### Claim 9 (depends on 1) The display unit according to claim 1, wherein the light-emitting layer included in the organic layer comprises a single light-emitting layer or a plurality of stacked light-emitting layers. ### Claim 10 A method of manufacturing a display unit, the method comprising: forming a plurality of pixels each having a first electrode, an organic layer, and a second electrode in this order, the organic layer and the second electrode being provided on the first electrode, the organic layer including a light-emitting layer; forming a reflector layer, the reflector layer having a light-reflecting surface around each of the pixels; forming, on the reflector layer, an auxiliary electrode that is projected from an upper end of the light-reflecting surface; and forming the organic layer and the second electrode after the forming of the reflector layer and the auxiliary electrode. ### Claim 11 (depends on 10) The method of manufacturing the display unit according to claim 10, wherein the reflector layer is formed by performing isotropic etching that uses the auxiliary electrode as a mask, after the auxiliary electrode is formed on the first electrode with a reflector material being provided therebetween. ### Claim 12 (depends on 10) The method of manufacturing the display unit according to claim 10, wherein the second electrode is formed by a sputtering method or an atomic layer deposition (ALD) method. ### Claim 13 An electronic apparatus including a display unit, the display unit comprising: a plurality of pixels each having a first electrode, an organic layer, and a second electrode in this order, the organic layer and the second electrode being provided on the first electrode, the organic layer including a light-emitting layer; a reflector layer having a light-reflecting surface around each of the pixels; and an auxiliary electrode that is provided on the reflector layer and is projected from an upper end of the light-reflecting surface, the auxiliary electrode having a portion which is exposed from the organic layer, the exposed portion being covered with the second electrode.