# US 12,016,193 B2 · Window and display device including the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,016,193 B2 - Document ID: US12016193B2 - Status: Granted - Kind: B2 - Application number: 17/074,681 - Filed: 2020-10-20 - Published: 2021-04-29 - Granted: 2024-06-18 - Earliest claimed: 2019-10-29 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Kyoung-Eun Lee - Web page: https://patentgrep.com/patent/US12016193B2 ## CPC - B32B 17/10: of synthetic resin - B32B 3/30: characterised by a layer formed with recesses or projections, e.g. {hollows, grooves, protuberances, ribs (apertured layer B32B3/266; layer with cavities or internal voids B32B3/26)} - B32B 7/12: using interposed adhesives or interposed materials with bonding properties - B32B 27/06: as the main or only constituent of a layer, {which is} next to another layer of {the same or of} a {different material (next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08)} - H10K 59/40: OLEDs integrated with touch screens - H10K 59/871: {Self-supporting sealing arrangements} - H10K 77/111: {Flexible substrates} - B32B 2255/10: on synthetic resin layer or on natural or synthetic rubber layer - B32B 2255/26: Polymeric coating - B32B 2255/28: Multiple coating on one surface - B32B 2307/40: having particular optical properties - B32B 2307/412: Transparent - B32B 2307/732: Dimensional properties - B32B 2307/756: Refurbishable, i.e. marks or scratches can be removed - B32B 2457/20: Displays, e.g. liquid crystal displays, plasma displays - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10K 2102/311: {Flexible OLED} - Y02E 10/549: Organic PV cells - B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A window includes a base substrate defining a recess and a functional layer disposed in the recess of the base substrate. The functional layer is disposed in a first recess defined in a top surface of the base substrate. ## Claims ### Claim 1 A window comprising: a base substrate facing a display panel, the base substrate including: a transmission area, and a light blocking area adjacent to the transmission area with a boundary therebetween, the base substrate defining a first recess which corresponds to the transmission area and is open in a direction away from the display panel, the display panel being outside of the first recess, and a functional layer which is in the first recess, wherein the functional layer which is in the first recess both: includes an anti-glare layer, an anti-reflection layer, an anti-fouling layer or an anti-fingerprint layer, and has a hardness greater than a hardness of the base substrate. ### Claim 2 (depends on 1) The window of claim 1, wherein the base substrate further includes: a top surface which is furthest from the display panel, an inclined surface extended from the top surface and in a direction from the boundary to the transmission area, a flat surface extended from an end of the inclined surface, and a bottom surface opposite to the top surface, the first recess is defined by the inclined surface together with the flat surface, and the bottom surface of the base substrate at the transmission area is coplanar with the bottom surface of the base substrate at the light blocking area. ### Claim 3 (depends on 2) The window of claim 2, wherein the bottom surface of the base substrate defines a plane, a thickness direction is perpendicular to the plane, and along the thickness direction, the base substrate at the light blocking area has a thickness of about 50 micrometers to about 500 micrometers. ### Claim 4 (depends on 3) The window of claim 3, wherein along the thickness direction, the base substrate at the flat surface has a thickness of about 45 micrometers to about 400 micrometers. ### Claim 5 (depends on 3) The window of claim 3, wherein in a direction parallel to the plane, the inclined surface has a width of about 20 micrometers to about 300 micrometers. ### Claim 6 (depends on 1) The window of claim 1, wherein the base substrate includes glass. ### Claim 7 (depends on 2) The window of claim 2, wherein the functional layer which is in the first recess extends along both the inclined surface and the flat surface and is in direct contact with both the inclined surface and the flat surface. ### Claim 8 (depends on 1) The window of claim 1, further comprising an anti-scattering layer, wherein the anti-scattering layer faces the material layer which is in the first recess, with the base substrate therebetween. ### Claim 9 (depends on 8) The window of claim 8, wherein the anti-scattering layer includes an adhesive. ### Claim 10 (depends on 8) The window of claim 8, wherein the anti-scattering layer is disposed in a second recess defined in a bottom surface of the base substrate. ### Claim 11 (depends on 10) The window of claim 10, further comprising a light blocking layer disposed on the bottom surface of the base substrate at the light blocking area, wherein the light blocking layer is adjacent to the second recess. ### Claim 12 A display device comprising: a display panel; and a window disposed on the display panel, wherein the window comprises: a base substrate including a transmission area, and a light blocking area which is adjacent to the transmission area with a boundary therebetween, the base substrate defining a first recess which corresponds to the transmission area and is open in a direction away from the display panel, the display panel being outside of the first recess, a functional layer in the first recess, and the functional layer which is in the first recess includes an anti-glare layer, an anti-reflection layer, an anti-fouling layer or an anti-fingerprint layer, and a hardness of the window at the light blocking area is lower than a hardness of the window at the functional layer in the first recess. ### Claim 13 (depends on 12) The display device of claim 12, wherein the base substrate further includes: a top surface which is furthest from the display panel, an inclined surface extended from the top surface and in a direction from the boundary to the transmission area, a flat surface extended from an end of the inclined surface, and a bottom surface opposite to the top surface, the first recess is defined by the inclined surface together with the flat surface, and the bottom surface of the base substrate at the transmission area is coplanar with the bottom surface of the base substrate at the light blocking area. ### Claim 14 (depends on 13) The display device of claim 13, wherein the bottom surface of the base substrate defines a plane, a thickness direction is perpendicular to the plane, along the thickness direction: the base substrate at the light blocking area has a thickness of about 50 micrometers to about 500 micrometers, and the base substrate at the flat surface has a thickness of about 45 micrometers to about 400 micrometers, and in a direction parallel to the plane the inclined surface has a width of about 20 micrometers to about 300 micrometers. ### Claim 15 (depends on 13) The display device of claim 13, wherein the functional layer which is in the first recess extends along both the inclined surface and the flat surface and is in direct contact with both the inclined surface and the flat surface. ### Claim 16 (depends on 12) The display device of claim 12, further comprising an anti-scattering layer between the display panel and the substrate of the window, wherein the anti-scattering layer faces the functional layer with the base substrate therebetween. ### Claim 17 (depends on 16) The display device of claim 16, wherein the anti-scattering layer is disposed in a second recess defined in a bottom surface of the base substrate. ### Claim 18 A display device comprising: a display panel; and a window disposed on the display panel, wherein the window comprises: a base substrate including a transmission area, and a light blocking area which is adjacent to the transmission area with a boundary therebetween, the base substrate defining corresponding to the transmission area: a top surface which is furthest from the display panel, a first recess extended from the top surface of the base substrate and open in a direction away from the display panel, and a second recess open in a direction toward the display panel, the display panel being outside of the first recess and the second recess, a functional layer which is in the first recess, the functional layer which is in the recess including an anti-glare layer, an anti-reflection layer, an anti-fouling layer or an anti-fingerprint layer and having a top surface which is furthest from the display panel, a flat top surface of the window defined by a top surface of the base substrate at the light blocking area, together with a top surface of the functional layer at the transmission area, and an anti-scattering layer in the second recess. ### Claim 19 (depends on 18) The display device of claim 18, further comprising a light blocking layer disposed on a bottom surface of the base substrate at the light blocking area, wherein the light blocking layer is adjacent to the second recess.