# US 10,871,933 B2 · Multi-panel display having board-to-board interfaces between adjacent panels > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,871,933 B2 - Document ID: US10871933B2 - Status: Granted - Kind: B2 - Application number: 16/355,472 - Filed: 2019-03-15 - Published: 2019-07-11 - Granted: 2020-12-22 - Earliest claimed: 2017-11-28 - Assignees: Ultravision Technologies, LLC - Applicants: Ultravision Technologies, LLC - Inventors: Matthew Foster - Web page: https://patentgrep.com/patent/US10871933B2 ## CPC - G06F 3/1446: {display composed of modules, e.g. video walls} - G09F 9/301: {flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED} - G09F 9/335: {being organic light emitting diodes [OLED]} - G09G 3/30: using electroluminescent panels - G09G 3/3233: with pixel circuitry controlling the current through the light-emitting element - G09F 2013/222: {with LEDs} - G09G 2300/026: Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions - H05K 2201/10106: Light emitting diode [LED] - H05K 2201/10128: Display - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09F: DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract An embodiment display panel includes a housing comprising a recess and framing portions, a printed circuit board (PCB), a sealing material, and a plurality of light emitting diodes (LEDs). The PCB is attached to and overhangs the framing portions of the housing. The PCB includes a front side and an opposite back side. The recess overlies the opposite back side of the PCB. The sealing material is disposed between the opposite back side of the PCB and the framing portions of the housing. The plurality of LEDs is disposed at the front side of the PCB. The front side of the PCB forms an entirety of a front surface of the display panel. ## Claims ### Claim 1 A display panel, comprising: a housing comprising a recess and framing portions, the framing portions comprising exterior sidewalls; a printed circuit board (PCB) attached to and overhanging the exterior sidewalls of the framing portions of the housing, the PCB comprising a front side and an opposite back side facing the recess, wherein the recess overlies the opposite back side of the PCB; a sealing material disposed between the opposite back side of the PCB and the framing portions of the housing, wherein the exterior sidewalls are attached to the opposite back side of the PCB using the sealing material; and a plurality of light emitting diodes (LEDs) disposed at the front side of the PCB as an array of pixels of the display panel, wherein the front side of the PCB forms an entirety of a front surface of the display panel. ### Claim 2 (depends on 1) The display panel of claim 1, wherein the housing comprises a plastic material. ### Claim 3 (depends on 1) The display panel of claim 1, wherein the sealing material in combination with the housing seals the opposite back side of the PCB against inclement environmental conditions. ### Claim 4 (depends on 1) The display panel of claim 1, wherein the sealing material comprises a silicone-based material. ### Claim 5 (depends on 1) The display panel of claim 1, further comprising a receiver circuit mounted to the opposite back side of the PCB, wherein the receiver circuit is disposed within the recess of the housing. ### Claim 6 (depends on 1) The display panel of claim 1, further comprising a power supply circuit mounted to the opposite back side of the PCB, wherein the power supply circuit is disposed within the recess of the housing. ### Claim 7 (depends on 1) The display panel of claim 1, wherein the housing is attached to the opposite back side of the PCB using screws. ### Claim 8 (depends on 1) The display panel of claim 1, wherein the PCB further comprises a lower portion and an upper portion disposed over and overhanging the lower portion, and wherein the overhang of the upper portion of the PCB extends about 1 mm from an edge of the lower portion of the PCB. ### Claim 9 (depends on 1) The display panel of claim 1, wherein an angle subtended between a normal to a sidewall of the PCB and a normal to a corresponding one of the exterior sidewalls is greater than 10 degrees. ### Claim 10 A modular digital display system, comprising: a support structure comprising a plurality of vertical beams and a plurality of horizontal beams; and a plurality of digital display panels mounted to the support structure so as to form an integrated display panel, the integrated display panel comprising a display surface, wherein the support structure is configured to provide mechanical support to the plurality of digital display panels, wherein each of the plurality of digital display panels comprises: a housing comprising a recess and framing portions; a printed circuit board assembly (PCBA) attached to and overhanging the framing portions of the housing, the PCBA comprising an exterior-facing front surface and an opposite back surface facing the recess, wherein the recess overlies the opposite back surface of the PCBA, and wherein PCBAs of immediately adjacent digital display panels are in physical contact; a sealing material disposed between the opposite back surface of the PCBA and the framing portions of the housing; and a plurality of light emitting diodes (LEDs) disposed at the exterior-facing front surface of the PCBA as an array of pixels of the digital display panel, the plurality of LEDs and the exterior-facing front surface of the PCBA being part of the display surface of the modular digital display system, wherein the exterior-facing front surface of the PCBA forms an entirety of a front surface of the digital display panel. ### Claim 11 (depends on 10) The modular digital display system of claim 10, wherein the PCBA of each of the plurality of digital display panels comprises an FR4 material. ### Claim 12 (depends on 10) The modular digital display system of claim 10, wherein the housing comprises a plastic material. ### Claim 13 (depends on 10) The modular digital display system of claim 10, wherein a thickness of the PCBA is between 2 mm and 3 mm. ### Claim 14 (depends on 10) The modular digital display system of claim 10, wherein the sealing material in combination with the housing seals the opposite back surface of the PCBA against inclement environmental conditions. ### Claim 15 (depends on 10) The modular digital display system of claim 10, wherein the sealing material comprises a silicone-based material. ### Claim 16 (depends on 10) The modular digital display system of claim 10, wherein a distance between immediately adjacent LEDs of immediately adjacent digital display panels is equal to a distance between immediately adjacent LEDs of a given digital display panel. ### Claim 17 A digital display panel, comprising: a housing comprising a recess and framing portions; a printed circuit board (PCB) attached to and overhanging the framing portions of the housing, the PCB comprising a front side and an opposite back side facing the recess, wherein the recess overlies the opposite back side of the PCB; a plurality of light emitting diodes (LEDs) disposed at the front side of the PCB as an array of pixels of the digital display panel, wherein the front side of the PCB forms an entirety of a front surface of the digital display panel; a receiver circuit mounted to the opposite back side of the PCB, wherein the receiver circuit is disposed within the recess of the housing; and a power supply circuit mounted to the opposite back side of the PCB, wherein the power supply circuit is disposed within the recess of the housing. ### Claim 18 (depends on 17) The digital display panel of claim 17, wherein the framing portions of the housing comprise an exterior sidewall directed away from the opposite back side of the PCB, and wherein an angle subtended between a normal to a sidewall of the PCB and a normal to the exterior sidewall of the framing portions of the housing is greater than 10 degrees. ### Claim 19 (depends on 17) The digital display panel of claim 17, further comprising a silicone-based sealant disposed in a gap between the PCB and the framing portions of the housing. ### Claim 20 (depends on 19) The digital display panel of claim 19, wherein the silicone-based sealant in combination with the housing seals the opposite back side of the PCB against inclement environmental conditions.