# US 12,218,115 B2 · Display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,218,115 B2 - Document ID: US12218115B2 - Status: Granted - Kind: B2 - Application number: 17/575,099 - Filed: 2022-01-13 - Published: 2022-12-29 - Granted: 2025-02-04 - Earliest claimed: 2021-06-23 - Assignees: Samsung Display Co., Ltd. - Applicants: Samsung Display Co., LTD. - Inventors: Young Min Park; Hyuk Hwan Kim - Web page: https://patentgrep.com/patent/US12218115B2 ## CPC - G02B 1/116: including electrically conducting layers - G02B 1/16: having an anti-static effect, e.g. electrically conducting coatings - H10H 29/30: Active-matrix LED displays - H10H 29/8552: {Light absorbing arrangements, e.g. black matrix} - H10K 59/126: Shielding, e.g. light-blocking means over the TFTs - H10K 59/879: {comprising refractive means, e.g. lenses} - H10K 59/8792: {comprising light absorbing layers, e.g. black layers} - H10W 90/00: Package configurations - H10H 20/84: Coatings, e.g. passivation layers or antireflective coatings - H10K 59/122: Pixel-defining structures or layers, e.g. banks - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS - H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract A display device includes a display element part disposed on a substrate, the display element part including a light emitting element, and an upper film layer disposed on the display element part, the upper film layer including an anti-electrostatic pattern. The anti-electrostatic pattern includes a conductive pattern and an anti-reflection pattern, and the conductive pattern and the anti-reflection pattern overlap each other. ## Claims ### Claim 1 A display device comprising: a display element part disposed on a substrate, the display element part including a light emitting element; and an upper film layer disposed on the display element part, the upper film layer including an anti-electrostatic pattern, wherein the anti-electrostatic pattern includes an electrostatic discharge pattern and an anti-reflection pattern disposed on the electrostatic discharge pattern, and the electrostatic discharge pattern and the anti-reflection pattern overlap each other. ### Claim 2 (depends on 1) The display device of claim 1, wherein the upper film layer includes an outer film, and the anti-electrostatic pattern is disposed on the outer film. ### Claim 3 (depends on 2) The display device of claim 2, wherein the outer film includes an anti-reflective coating. ### Claim 4 (depends on 2) The display device of claim 2, wherein the outer film is disposed on a surface of the anti-reflection pattern, and the electrostatic discharge pattern is disposed on another surface of the anti-reflection pattern. ### Claim 5 (depends on 2) The display device of claim 2, wherein the outer film is disposed on a surface of the electrostatic discharge pattern, and the anti-reflection pattern is disposed on another surface of the electrostatic discharge pattern. ### Claim 6 (depends on 2) The display device of claim 2, wherein the anti-reflection pattern includes a first anti-reflection pattern and a second anti-reflection pattern, the first anti-reflection pattern is disposed between the outer film and the electrostatic discharge pattern, the second anti-reflection pattern is disposed on a surface of the electrostatic discharge pattern, and the first anti-reflection pattern is not disposed on the surface of the electrostatic discharge pattern. ### Claim 7 (depends on 1) The display device of claim 1, further comprising: a display area from which light is emitted; and a non-display area surrounding at least a portion of the display area, wherein the anti-electrostatic pattern is electrically connected to a connection line disposed in the non-display area such that an electrostatic signal is moved to outside of the display area and the non-display area through the electrostatic discharge pattern. ### Claim 8 (depends on 1) The display device of claim 1, wherein the anti-electrostatic pattern has a periodically patterned shape. ### Claim 9 (depends on 1) The display device of claim 1, wherein the anti-electrostatic pattern includes: a first anti-electrostatic pattern extending in a first direction; and a second anti-electrostatic pattern extending in a second direction intersecting the first direction, and a unit shape provided by the first anti-electrostatic pattern and the second anti-electrostatic pattern intersecting each other is a rectangular shape. ### Claim 10 (depends on 1) The display device of claim 1, wherein the anti-electrostatic pattern is disposed in a mesh pattern having a rhombic unit shape. ### Claim 11 (depends on 1) The display device of claim 1, wherein the anti-electrostatic pattern is disposed in a mesh pattern having a triangular unit shape. ### Claim 12 (depends on 1) The display device of claim 1, wherein the electrostatic discharge pattern includes at least one of silver (Ag), copper (Cu), nickel (Ni), and gold (Au). ### Claim 13 (depends on 1) The display device of claim 1, wherein the anti-reflection pattern incudes at least one of graphite, carbon black, black pigment, and black dye. ### Claim 14 (depends on 13) The display device of claim 13, wherein the anti-reflection pattern has a reflexibility of less than about 30%. ### Claim 15 (depends on 1) The display device of claim 1, wherein the anti-electrostatic pattern has a line width of less than about 10 μm. ### Claim 16 (depends on 1) The display device of claim 1, wherein the electrostatic discharge pattern and the anti-reflection pattern have a same shape in a plan view. ### Claim 17 (depends on 1) The display device of claim 1, further comprising: a light control part disposed between the display element part and the upper film layer, the light control part including a wavelength conversion layer that changes a wavelength of light. ### Claim 18 (depends on 1) The display device of claim 1, wherein the light emitting element is at least one of an organic light emitting diode, a micro light emitting diode, and an inorganic light emitting diode. ### Claim 19 (depends on 1) The display device of claim 1, wherein light provided from the light emitting element passes through the upper film layer such that the light is provided to outside of the display device. ### Claim 20 A display device comprising: a display element part disposed on a substrate; and an anti-electrostatic pattern disposed in a mesh pattern on the display element part, the anti-electrostatic pattern including: an electrostatic discharge pattern; and an anti-reflection pattern disposed on the electrostatic discharge pattern and having a surface in contact with the electrostatic pattern, wherein the anti-reflection pattern has a reflexibility of less than about 30%. ### Claim 21 (depends on 20) The display device of claim 20, wherein the anti-electrostatic pattern discharges an electrostatic signal against the display device.