# US 2014/0191204 A1 · Organic light-emitting display apparatus and method of manufacturing thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0191204 A1 - Document ID: US20140191204A1 - Status: Published application - Kind: A1 - Application number: 13/898,282 - Filed: 2013-05-20 - Published: 2014-07-10 - Earliest claimed: 2013-01-07 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Ho-Young Jeong - Web page: https://patentgrep.com/patent/US20140191204A1 ## CPC - H10K 59/38: comprising colour filters or colour changing media [CCM] - H10K 59/122: Pixel-defining structures or layers, e.g. banks - H10K 59/8722: {Peripheral sealing arrangements, e.g. adhesives, sealants} - H10K 59/873: {Encapsulations} - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES ## Abstract An organic light-emitting display apparatus includes: a display substrate; a plurality of organic light-emitting diodes (OLEDs) on the display substrate, the OLEDs being divided from one another by a pixel defining layer (PDL); an encapsulation substrate on the display substrate and covering the OLEDs; a filling material on the PDL and between the display substrate and the encapsulation substrate; and a cavity between the OLEDs and the encapsulation substrate. ## Claims ### Claim 1 An organic light-emitting display apparatus comprising: a display substrate; a plurality of organic light-emitting diodes (OLEDs) on the display substrate, the OLEDs being divided from one another by a pixel defining layer (PDL); an encapsulation substrate on the display substrate and covering the OLEDs; a filling material on the PDL and between the display substrate and the encapsulation substrate; and a cavity between the OLEDs and the encapsulation substrate. ### Claim 2 (depends on 1) The organic light-emitting display apparatus of claim 1, further comprising a color filter between the OLEDs and the encapsulation substrate. ### Claim 3 (depends on 2) The organic light-emitting display apparatus of claim 2, wherein a wavelength of light passed by the color filter corresponds to a wavelength area of light emitted from an OLED of the OLEDs corresponding to the color filter. ### Claim 4 (depends on 1) The organic light-emitting display apparatus of claim 1, further comprising a black matrix between the PDL and the encapsulation substrate. ### Claim 5 (depends on 4) The organic light-emitting display apparatus of claim 4, wherein the black matrix comprises one of Cr, CrO, graphite, and C. ### Claim 6 (depends on 1) The organic light-emitting display apparatus of claim 1, wherein the cavity is filled with air or nitrogen (N2) gas. ### Claim 7 (depends on 1) The organic light-emitting display apparatus of claim 1, further comprising a protective layer on the OLEDs. ### Claim 8 (depends on 1) The organic light-emitting display apparatus of claim 1, further comprising a conductive layer between the filling material and the OLEDs to electrically contact a cathode electrode of the OLEDs, wherein the cathode electrode is between the PDL and the filling material. ### Claim 9 (depends on 1) The organic light-emitting display apparatus of claim 1, further comprising an encapsulation material adhered to the display substrate and to the encapsulation substrate and enclosing the plurality of OLEDs. ### Claim 10 (depends on 1) The organic light-emitting display apparatus of claim 1, further comprising an absorbent adjacent the plurality of OLEDs. ### Claim 11 An organic light-emitting display apparatus comprising: a display substrate; a display on the display substrate and comprising a plurality of light-emission areas comprising a plurality of organic light emitting diodes (OLEDs) and a non-light-emission area between adjacent ones of the light-emission areas; an encapsulation substrate facing the display substrate; a filling material between the display substrate and the encapsulation substrate and disposed in the non-light-emission area; a color filter in the light-emission areas; and a black matrix in the non-light-emission area. ### Claim 12 (depends on 11) The organic light-emitting display apparatus of claim 11, wherein the non-light-emission area protrudes from the display substrate more than the light-emission areas protrude from the display substrate. ### Claim 13 (depends on 11) The organic light-emitting display apparatus of claim 11, wherein the filling material is not in the light-emission areas. ### Claim 14 (depends on 11) The organic light-emitting display apparatus of claim 11, wherein the filling material is an insulating material. ### Claim 15 (depends on 11) The organic light-emitting display apparatus of claim 11, further comprising a conductive layer between the non-light-emission area and the filling material and electrically connected to cathode electrodes of the OLEDs. ### Claim 16 (depends on 11) The organic light-emitting display apparatus of claim 11, further comprising a protective layer on the OLEDs. ### Claim 17 A method of manufacturing an organic light-emitting display apparatus, the method comprising: forming a patterned filling material on a surface of an encapsulation substrate; forming a display on a surface of a display substrate; and adhering the display substrate to the encapsulation substrate so that the display and the patterned filling material face each other, the display substrate being adhered to the encapsulation substrate by an encapsulation material. ### Claim 18 (depends on 17) The method of claim 17, wherein: the display comprises a light-emission area comprising an OLED and a non-light-emission area dividing the light-emission area into a plurality of regions; and the patterned filling material is disposed only in a part of the surface of the encapsulation substrate corresponding to the non-light-emission area. ### Claim 19 (depends on 17) The method of claim 17, wherein the patterned filling material is formed by molding. ### Claim 20 (depends on 17) The method of claim 17, wherein the forming the patterned filling material comprises: coating a liquid filling material using a screen mask patterned on the encapsulation substrate; and hardening the liquid filling material. ### Claim 21 (depends on 17) The method of claim 17, the method further comprising coating the encapsulation material to enclose an edge of the filling material, wherein the display substrate and the encapsulation substrate are adhered through an encapsulation material in a vacuum state. ### Claim 22 (depends on 17) The method of claim 17, wherein the display comprises a light-emission area in which an OLED is disposed and a non-light-emission area dividing the light-emission area into a plurality of regions, wherein the method further comprises: forming a color filter in a first area of the encapsulation substrate corresponding to the light-emission area; and forming a black matrix in a second area of the encapsulation substrate corresponding to the non-light-emission area. ### Claim 23 (depends on 22) The method of claim 22, wherein the color filter is formed on a lower surface of the encapsulation substrate, and the black matrix is formed on an upper surface of the encapsulation substrate. ### Claim 24 (depends on 17) The method of claim 17, after the filling material is formed, further comprising forming a conductive layer on the filling material. ### Claim 25 (depends on 17) The method of claim 17, further comprising: forming an absorbent between the encapsulation material and the filling material before the display substrate and the encapsulation substrate are adhered onto each other.