# US 10,374,193 B2 · Organic light emitting diodes displays and manufacturing method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,193 B2 - Document ID: US10374193B2 - Status: Granted - Kind: B2 - Application number: 15/708,259 - Filed: 2017-09-19 - Published: 2018-01-04 - Granted: 2019-08-06 - Earliest claimed: 2013-06-03 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., Ltd. - Inventors: Chung Yi; Sang-Hun Oh - Web page: https://patentgrep.com/patent/US10374193B2 ## CPC - H10K 59/873: {Encapsulations} - H10K 77/111: {Flexible substrates} - H10K 59/12: Active-matrix OLED [AMOLED] displays - H10K 59/1201: {Manufacture or treatment} - H10K 71/851: {Division of substrate} - H10K 2102/311: {Flexible OLED} - Y02E 10/549: Organic PV cells - Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS ## Abstract A cracks propagation preventing, polarization film attaches to outer edges of a lower inorganic layer of an organic light emitting diodes display where the display is formed on a flexible substrate having the lower inorganic layer blanket formed thereon. The organic light emitting diodes display further includes a display unit positioned on the inorganic layer and including a plurality of organic light emitting diodes configured to display an image, and a thin film encapsulating layer covering the display unit and joining with edges of the inorganic layer extending beyond the display unit. ## Claims ### Claim 1 An organic light emitting diodes display, comprising: a substrate; an inorganic layer disposed on the substrate, wherein the inorganic layer comprises at least one of a barrier layer and a buffer layer; a display unit disposed on the inorganic layer; a thin film encapsulating layer covering the display unit; and a polarization film covering the thin film encapsulating layer, wherein the polarization film covers side portions of the inorganic layer and lateral portions of the thin film encapsulating layer, wherein a part of edges of the polarization film and a part of edges of the substrate are matched with each other. ### Claim 2 (depends on 1) The organic light emitting diodes display of claim 1, wherein the part of edges of the polarization film and the part of edges of the substrate are matched with each other at opposite edges of the organic light emitting diodes display. ### Claim 3 (depends on 2) The organic light emitting diodes display of claim 2, wherein: a pad area is provided in the substrate, and the part of edges of polarization film and the part of edges of the substrate are further matched with at an edge of the organic light emitting diodes display, which is located opposite to the pad area. ### Claim 4 (depends on 1) The organic light emitting diodes display of claim 1, wherein the part of edges of the polarization film, disposed at opposite edges of the organic light emitting diodes display, and the part of edges of the substrate, disposed at the opposite edges of the organic light emitting diodes display, are matched with each other. ### Claim 5 (depends on 1) The organic light emitting diodes display of claim 1, wherein a pad area is provided in the substrate and the polarization film does not overlap the pad area. ### Claim 6 (depends on 1) The organic light emitting diodes display of claim 1, wherein the inorganic layer comprises at least two sub-layers. ### Claim 7 (depends on 6) The organic light emitting diodes display of claim 6, wherein the inorganic layer comprises: the barrier layer disposed on the substrate; and the buffer layer disposed on the barrier layer. ### Claim 8 (depends on 1) The organic light emitting diodes display of claim 1, wherein the area of the thin film encapsulating layer is greater than the area of the display unit. ### Claim 9 (depends on 1) The organic light emitting diodes display of claim 1, wherein the substrate is flexible. ### Claim 10 (depends on 9) The organic light emitting diodes display of claim 9, wherein the substrate comprises polyimide. ### Claim 11 (depends on 1) The organic light emitting diodes display of claim 1, wherein the substrate and the polarization film are respectively formed substantially in the shape of a quadrangle. ### Claim 12 (depends on 1) The organic light emitting diodes display of claim 1, wherein the polarization film covers side portions of the thin film encapsulating layer. ### Claim 13 (depends on 1) The organic light emitting diodes display of claim 1, wherein the matched part of the edges of the polarization film and the matched part of the edges of the substrate are individualized by cutting. ### Claim 14 An organic light emitting diodes display, comprising: a substrate; an inorganic layer disposed on the substrate, wherein the inorganic layer comprises at least one of a barrier layer and a buffer layer; a display unit disposed on the inorganic layer; a thin film encapsulating layer covering the display unit; and a polarization film covering the thin film encapsulating layer, wherein a part of edges of the polarization film and a part of edges of the substrate are matched with each other, and wherein the polarization film covers side portions of the inorganic layer and the thin film encapsulating layer and covers lateral portions of the thin film encapsulating layer. ### Claim 15 (depends on 14) The organic light emitting diodes display of claim 14, wherein the part of edges of the polarization film and the part of edges of the substrate are matched with each other at opposite edges of the organic light emitting diodes display. ### Claim 16 (depends on 14) The organic light emitting diodes display of claim 14, wherein a pad area is provided in the substrate and the polarization film does not overlap the pad area. ### Claim 17 (depends on 14) The organic light emitting diodes display of claim 14, wherein the inorganic layer comprises at least two sub-layers. ### Claim 18 (depends on 17) The organic light emitting diodes display of claim 17, wherein the inorganic layer comprises: the barrier layer disposed on the substrate; and the buffer layer disposed on the barrier layer. ### Claim 19 (depends on 14) The organic light emitting diodes display of claim 14, wherein the substrate is flexible. ### Claim 20 (depends on 14) The organic light emitting diodes display of claim 14, wherein the matched part of the edges of the polarization film and the matched part of the edges of the substrate are individualized by cutting.