# US 2018/0322816 A1 · Modular Display Panel

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- Number: US 2018/0322816 A1
- Document ID: US20180322816A1
- Status: Published application
- Kind: A1
- Application number: 16/004,084
- Filed: 2018-06-08
- Published: 2018-11-08
- Earliest claimed: 2013-12-31
- Assignees: Ultravision Technologies, LLC
- Applicants: Ultravision Technologies, LLC
- Inventors: William Y. Hall
- Web page: https://patentgrep.com/patent/US20180322816A1

## CPC

- G06F 1/1601: {Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays (constructional details related to flat displays integrated in a portable computer, e.g. laptop, handheld computer G06F1/1637; constructional details related to television receivers H04N5/64)}
- F21K 9/20: Light sources comprising attachment means
- F21K 9/90: Methods of manufacture
- F21V 23/023: {Power supplies in a casing (F21V23/003 takes precedence)}
- F21V 31/005: {Sealing arrangements therefor}
- G06F 1/182: {with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]}
- G06F 1/183: Internal mounting support structures, e.g. for supporting printed circuit boards
- G06F 1/188: Mounting of power supply units
- G06F 1/189: {Power distribution}
- G06F 1/20: Cooling means
- G06F 1/26: Power supply means, e.g. regulation thereof (for memories G11C)
- G06F 3/1423: {controlling a plurality of local displays, e.g. CRT and flat panel display}
- G06F 3/1446: {display composed of modules, e.g. video walls}
- G06F 3/147: using display panels
- G06T 1/60: Memory management
- G09F 9/3023: {Segmented electronic displays}
- G09F 13/22: electroluminescent (electroluminescent light sources per se H05B33/00)
- G09G 3/006: {Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays (testing individual LED's G01R31/2635; testing lamps G01R31/44; testing of optical features of LCD displays G02F1/1309)}
- G09G 3/32: semiconductive, e.g. using light-emitting diodes [LED]
- G09G 5/003: {Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto (specific for a CRT G09G1/165; for a flat panel G09G3/2092)}
- G09G 5/14: Display of multiple viewports
- H01B 7/2825: {using a water impermeable sheath}
- H01B 9/003: {including electrical control or communication wires}
- H01B 11/02: Cables with twisted pairs or quads
- H05K 1/181: associated with surface mounted components
- H05K 3/32: electrically connecting electric components or wires to printed circuits
- H05K 5/0247: {Electrical details of casings, e.g. terminals, passages for cables or wiring}
- H05K 5/0256: {of interchangeable modules or receptacles therefor, e.g. cartridge mechanisms}
- H05K 5/03: Covers
- H05K 5/06: Hermetically-sealed casings {(specially adapted for small components H05K5/0095)}
- H05K 7/1422: {Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames}
- H05K 7/1427: {Housings}
- H05K 7/20: Modifications to facilitate cooling, ventilating, or heating
- H05K 7/20127: {Natural convection}
- H05K 7/20136: {Forced ventilation, e.g. by fans (H05K7/202 takes precedence)}
- H05K 7/2039: {characterised by the heat transfer by conduction from the heat generating element to a dissipating body (arrangements for increasing/decreasing heat-transfer, e.g. fins details, F28F13/00)}
- H05K 7/20954: {for display panels}
- H05K 7/20963: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20972 takes precedence)}
- F21Y 2115/10: Light-emitting diodes [LED]
- 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
- G09G 2300/04: Structural and physical details of display devices
- G09G 2320/029: by monitoring one or more pixels in the display panel, e.g. by monitoring a fixed reference pixel
- G09G 2330/02: Details of power systems and of start or stop of display operation
- G09G 2330/045: Protection against panel overheating
- G09G 2330/10: Dealing with defective pixels
- G09G 2360/04: Display device controller operating with a plurality of display units
- H04N 7/00: Television systems (details H04N3/00, H04N5/00; methods or arrangements, for coding, decoding, compressing or decompressing digital video signals H04N19/00; selective content distribution H04N21/00)
- H05K 2201/066: Heatsink mounted on the surface of the printed circuit board [PCB]
- H05K 2201/10106: Light emitting diode [LED]
- H05K 2201/10128: Display
- H05K 2201/1028: Thin metal strips as connectors or conductors
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- 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)
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

In one embodiment, modular light emitting diode (LED) display panel includes a plurality of LEDs is attached to a printed circuit board. A power supply is coupled to the plurality of LEDs and configured to receive direct current (DC) power. A scan controller is coupled to the plurality of LEDs, where the scan controller is configured to control operation of the plurality of LEDs in order to display received media. A housing is attached to the printed circuit board, and includes an outer major surface of the modular LED display panel and is configured to be exposed to an external environment without a protective cabinet. A waterproof integrated data and power connector is electrically coupled to the power supply, the scan controller, and to the plurality of LEDs. The modular LED display panel has an ingress protection rating of IP 65 or higher, and is cooled passively without fans.

## Claims

### Claim 1

A modular display panel comprising:
a printed circuit board having a first side and an opposite second side;
a casing comprising a thermally conductive material, the casing being disposed at the opposite second side of the printed circuit board,
wherein the casing contacts the opposite second side of the printed circuit board,
wherein the casing comprises sidewalls and a back surface substantially similar in area to the second side of the printed circuit board,
wherein the back surface of the casing comprises an outer back surface of the panel, and
wherein the sidewalls and the back surface of the casing comprise plastic;
a driver circuit disposed in the casing at the opposite second side of the printed circuit board, the driver circuit electrically coupled to the printed circuit board;
a plurality of light emitting diodes (LEDs) arranged as pixels and attached to the first side of the printed circuit board, wherein the pixels are arranged in a rectangular array comprising at least fifty pixels;
a power supply for powering the plurality of LEDs, the printed circuit board being disposed between the power supply and the plurality of LEDs, wherein the power supply comprises a power converter for converting alternating current (AC) power to direct current (DC) power;
a heat conducting structure configured to extract heat disposed proximate to the power supply;
a plurality of louvers attached to the first side of the printed circuit board;
a potting material disposed at the first side of the printed circuit board; and
wherein the modular display panel is sealed to be waterproof.

### Claim 2 (depends on 1)

The panel of claim 1, wherein the heat conducting structure comprises the same material as the thermally conductive material.

### Claim 3 (depends on 1)

The panel of claim 1, wherein the heat conducting structure comprises a different material than the thermally conductive material.

### Claim 4 (depends on 1)

The panel of claim 1, wherein the power supply is housed in a power supply housing to form a power supply unit, wherein the power supply unit protrudes from the back surface of the casing along a direction opposite a display side of the panel, and wherein the power supply housing comprises the heat conducting structure.

### Claim 5 (depends on 4)

The panel of claim 4, wherein the power supply housing comprises fins for extracting heat from the power supply.

### Claim 6 (depends on 1)

The panel of claim 1, wherein the power supply is disposed inside a cage, wherein the cage comprises the heat conducting structure.

### Claim 7 (depends on 1)

The panel of claim 1, wherein the modular display panel comprises an ingress protection (IP) rating of at least IP 65.

### Claim 8 (depends on 1)

The panel of claim 1, wherein the modular display panel comprises an ingress protection (IP) rating of at least IP 66.

### Claim 9 (depends on 1)

The panel of claim 1, wherein the modular display panel comprises an ingress protection (IP) rating of IP 68.

### Claim 10 (depends on 1)

The panel of claim 1, wherein the thermally conductive material comprises a metal.

### Claim 11 (depends on 10)

The panel of claim 10, wherein the metal comprises aluminum.

### Claim 12 (depends on 1)

The panel of claim 1, wherein the thermally conductive material comprises plastic.

### Claim 13 (depends on 1)

The panel of claim 1, wherein the panel has a height and a width, and wherein a ratio of the height to the width is 1:1 or 1:2.

### Claim 14

A modular display panel comprising:
a printed circuit board having a first side and an opposite second side;
a casing comprising a thermally conductive material, the opposite second side of the printed circuit board being attached to the casing,
wherein the casing contacts the opposite second side of the printed circuit board,
wherein the casing comprises sidewalls and a back surface,
wherein the back surface of the casing comprises an outer back surface of the panel, and
wherein the sidewalls of the casing comprise plastic;
a driver circuit disposed in the casing at the opposite second side of the printed circuit board, the driver circuit electrically coupled to the printed circuit board;
a plurality of light emitting diodes (LEDs) arranged as pixels and attached to the first side of the printed circuit board, wherein the pixels are arranged in a rectangular array comprising at least fifty pixels;
a power supply for powering the plurality of LEDs, the printed circuit board being disposed between the power supply and the plurality of LEDs, wherein the power supply comprises a power converter for converting alternating current (AC) power to direct current (DC) power;
a heat conducting structure disposed between the power supply and the back surface of the casing;
a plurality of louvers attached to the first side of the printed circuit board;
a potting material disposed at the first side of the printed circuit board; and
wherein the modular display panel is sealed to be waterproof.

### Claim 15 (depends on 14)

The panel of claim 14, wherein the opposite second side of the printed circuit board is directly attached to the casing.

### Claim 16

A modular display panel comprising:
a casing comprising plastic sidewalls, the casing being part of an outer surface of the modular display panel that is exposed to an external environment, the casing configured to be attached with other modular display panels to form a multi-panel modular display;
a printed circuit board attached to the casing;
a plurality of light emitting diodes (LEDs) arranged as pixels attached to a first side of the printed circuit board, wherein the pixels are arranged in a rectangular array comprising at least fifty pixels;
a circuit for controlling the plurality of LEDs attached to a second side of the printed circuit board, the second side being opposite to the first side, wherein the circuit is disposed within the casing;
a power supply for powering the plurality of LEDs, the power supply comprising a power converter for converting ac power to dc power;
a thermally conductive material disposed between the power supply and a back surface of the casing, wherein the back surface of the casing comprises the part of the outer surface of the modular display panel;
a framework of louvers disposed over the printed circuit board, the framework of louvers disposed between rows of the plurality of LEDs; and
wherein the modular display panel is sealed to be waterproof.

### Claim 17 (depends on 16)

The panel of claim 16, wherein the panel is completely waterproof against submersion in up to 3 feet of water.

### Claim 18 (depends on 16)

The panel of claim 16, wherein the panel comprises an ingress protection (IP) rating of IP 65.

### Claim 19 (depends on 16)

The panel of claim 16, wherein the panel comprises an ingress protection (IP) rating of or IP 66.

### Claim 20 (depends on 16)

The panel of claim 16, wherein the panel comprises an ingress protection (IP) rating of IP 67 or IP 68.

### Claim 21 (depends on 16)

The panel of claim 16, wherein the power supply is mounted over the casing.

### Claim 22 (depends on 16)

The panel of claim 16, wherein the power supply is disposed within the casing.

### Claim 23

A modular display panel comprising:
a plastic casing comprising a first side and an opposite second side,
wherein the first side of the plastic casing includes a surface that is part of an outer surface of the modular display panel;
a printed circuit board attached to the plastic casing;
a plurality of light emitting diodes (LEDs) arranged as pixels attached to a first side of the printed circuit board, wherein the pixels are arranged in a rectangular array comprising at least fifty pixels;
a potting compound overlying the first side of the printed circuit board;
a circuit for controlling the plurality of LEDs attached to a second side of the printed circuit board, the second side being opposite to the first side, wherein the circuit is disposed within the plastic casing;
a power supply mounted outside the plastic casing, the power supply comprising a power converter for converting ac power to dc power; and
a thermally conductive material to extract heat disposed proximate to the power supply, wherein the modular display panel is sealed to be waterproof.

### Claim 24 (depends on 23)

The panel of claim 23, further comprising:
a first integrated data and power cable connector electrically coupled to the printed circuit board and the power supply; and
a second integrated data and power cable connector electrically coupled to the printed circuit board and the power supply.

### Claim 25 (depends on 23)

The panel of claim 23, further comprising a framework of louvers disposed over first side of the printed circuit board, the framework of louvers disposed between rows of the LEDs.

### Claim 26 (depends on 23)

The panel of claim 23, wherein the panel is completely waterproof against submersion in up to 3 feet of water.

### Claim 27 (depends on 23)

The panel of claim 23, wherein the panel comprises an ingress protection (IP) rating of IP 65.

### Claim 28 (depends on 23)

The panel of claim 23, wherein the panel comprises an ingress protection (IP) rating of IP 66.

### Claim 29 (depends on 23)

The panel of claim 23, wherein the panel comprises an ingress protection (IP) rating of IP 67 or IP 68.

### Claim 30 (depends on 23)

The panel of claim 23, wherein the modular display panel comprises only one printed circuit board.