Modular display panels with different pitches

• US 9,164,722 B2
• Filed: 03/06/2015
• Issued: 10/20/2015
• Est. Priority Date: 12/31/2013
• Status: Active Grant

• Current Assignee: Ultravision Technologies, LLC (Ultravision International Inc.)
• Original Assignee: Ultravision Technologies, LLC (Ultravision International Inc.)
• Inventors: Hall, William Y.
• Primary Examiner(s): Johnson, Gerald
• Application Number:
  US14/641,130
• Publication Number:
  US 20150186099A1
• Time in Patent Office: 228 Days
• US Class Current: 1/1
• CPC Class Codes: G06F 3/1438 using more than one graphics controller
• CPC Class Codes: G06F 3/1446 display composed of modules, e.g. video walls
• CPC Class Codes: G06F 3/147 using display panels
• CPC Class Codes: G06T 1/60 Memory management
• CPC Class Codes: G09G 2300/026 Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
• CPC Class Codes: G09G 2310/0286 Details of a shift registers arranged for use in a driving circuit
• CPC Class Codes: G09G 2340/14 Solving problems related to the presentation of information to be displayed
• CPC Class Codes: G09G 2360/04 Display device controller operating with a plurality of display units
• CPC Class Codes: G09G 2360/06 Use of more than one graphics processor to process data before displaying to one or more screens
• CPC Class Codes: G09G 2380/06 Remotely controlled electronic signs other than labels
• CPC Class Codes: G09G 3/2088 with use of a plurality of processors, each processor controlling a number of individual elements of the matrix
• CPC Class Codes: G09G 3/2096 Details of the interface to the display terminal specific for a flat panel suitable for both CRT and flat panel G09G5/006; specific for a CRT G09G1/167
• CPC Class Codes: G09G 3/32 semiconductive, e.g. using light-emitting diodes [LED]
• CPC Class Codes: G09G 5/006 Details of the interface to the display terminal specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04
• CPC Class Codes: G09G 5/363 Graphics controllers
• CPC Class Codes: H01H 11/04 of switch contacts
• CPC Class Codes: H05K 1/18 Printed circuits structurally associated with non-printed electric components H05K1/0201, H05K1/023, H05K1/0243, and H05K1/16 take precedence
• CPC Class Codes: H05K 13/00 Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
• CPC Class Codes: H05K 2201/10106 Light emitting diode [LED]
• CPC Class Codes: H05K 5/0017 with operator interface units
• CPC Class Codes: H05K 5/0247 : Electrical details of casings, e.g. terminals, passages for cables or wiring
• CPC Class Codes: H05K 5/04 : Metal casings
• CPC Class Codes: H05K 5/06 : Hermetically-sealed casings specially adapted for small components H05K5/0095
• CPC Class Codes: Y10T 29/49002 : Electrical device making
• CPC Class Codes: Y10T 29/49007 : Indicating transducer
• CPC Class Codes: Y10T 29/49105 : Switch making

Abstract

An embodiment method of manufacturing modular panels includes manufacturing a group of modular display panels, including a first and second modular display panel that have the same size and shape. The first modular display panel includes a first pixel array arranged at a first pitch, and the second modular display panel includes a second pixel array that is arranged at a second pitch that is different than the first pitch. Any two modular display panels in the group are capable of being attached to each other in an integrated display system.

Claims

1. A method of manufacturing modular digital display panels, the method comprising:

manufacturing a plurality of modular digital display panels, the plurality of modular display panels comprising;

a first modular display panel having a first size and shape, wherein the first modular display panel is configured to be mounted to a frame along with other displays so as to form an integrated display, wherein the first modular display panel comprises first attachment points that are configured to connect the first modular display panel to the frame, wherein the first modular display panel comprises a first video memory to store a portion of a first video to be displayed; and

a second modular display panel also having the first size and shape, wherein the second modular display panel is configured to be mounted to the frame along with other displays so as to form an integrated display, wherein the second modular display panel comprises second attachment points that are configured to connect the second modular display panel to the frame, wherein the second modular display panel comprises a second video memory to store a portion of a second video to be displayed, wherein the first modular display panel and the second modular display panel are sized so as to be physically interchangeable on the frame;

wherein the first modular display panel comprises a first pixel array arranged at a first pitch; and

wherein the second modular display panel comprises a second pixel array arranged at a second pitch that is different than the first pitch.

2. The method of claim 1, wherein the first modular display panel and the second modular display panel comprise light emitting diode display panels.

3. The method of claim 1, wherein the first modular display panel and the second modular display panel comprise organic displays, micro-mirror displays, plasma displays, liquid crystal displays, surface-conduction electron-emitter displays, field emission displays.

4. The method of claim 1, wherein the plurality of modular display panels further comprises a third modular display panel having the first size and shape, the third modular display panel comprising a third pixel array arranged at a third pitch that is different than the first pitch and the second pitch.

5. The method of claim 4, wherein the plurality of modular display panels further comprises:

a fourth modular display panel having the first size and shape, the fourth modular display panel comprising a fourth pixel array arranged at a fourth pitch that is different than the first, second and third pitches;

a fifth modular display panel having the first size and shape, the fifth modular display panel comprising a fifth pixel array arranged at a fifth pitch that is different than the first, second, third, and fourth pitches;

a sixth modular display panel having the first size and shape, the sixth modular display panel comprising a sixth pixel array arranged at a sixth pitch that is different than the first, second, third, fourth, and fifth pitches;

a seventh modular display panel having the first size and shape, the seventh modular display panel comprising a seventh pixel array arranged at a seventh pitch that is different than the first, second, third, fourth, fifth, and sixth pitches; and

an eighth modular display panel having the first size and shape, the eighth modular display panel comprising an eighth pixel array arranged at an eighth pitch that is different than the first, second, third, fourth, fifth, sixth, and seventh pitches.

6. The method of claim 1, wherein the first and second pitches are each selected from the group consisting of 6.35 mm, 7.62 mm, 9.525 mm, 12.7 mm, 15.24 mm, 19.05 mm, 25.4 mm, and 30.48 mm.

7. The method of claim 1, wherein the first modular display panel further comprises a switch array coupled to a power source and to the first pixel array, wherein the switch array switches power to at least one active pixel from the first pixel array in accordance with at least one of a scan select signal, a scan timer, and an address select signal.

8. A method of manufacturing modular digital display panels, the method comprising:

manufacturing a plurality of modular digital display panels, the plurality of modular display panels comprising;

a first modular display panel having a first size and shape, wherein the first modular display panel comprises a first video memory and a first pixel array arranged at a first pitch, and

a second modular display panel also having the first size and shape, wherein the second modular display panel comprises a second video memory and a second pixel array arranged at a second pitch that is different than the first pitch; and

assembling an integrated display system that comprises the plurality of modular display panels, wherein the integrated display system further comprises a receiver unit coupled to the plurality of modular display panels, wherein the receiver unit is configured to provide a first video segment to the first modular display panel and a second video segment to the second modular display panel,

wherein the first modular display panel digitally is configured to store the first video segment in the first video memory, and

wherein the second modular display panel digitally is configured to store the second video segment in the second video memory.

9. The method of claim 8, wherein the first modular display panel further comprises a plurality of shift registers and a register switch coupled to the plurality of shift registers;

and

wherein the register switch selects a first active shift register from the plurality of shift registers in accordance with at least one of a scan select signal, a scan timer, an address select signal, a latch signal, and a data counter.

10. The method of claim 9, wherein the second modular display further comprises a second active shift register coupled to the plurality of shift registers of the first modular display, and wherein when the first active shift register is filled with stored data and receives additional data, the first active shift register shifts a portion of the stored data into the second active shift register.

11. The method of claim 9, wherein the second modular display further comprises a second active shift register;

and

wherein the second active shift register is coupled to the plurality of shift registers of the first modular display, wherein when the second active shift register is filled with stored data and receives additional data, the second active shift register shifts a portion of the stored data into the first active shift register.

12. The method of claim 8,

wherein the first modular display panel digitally stores the first video segment in the first video memory in accordance with a first unique identifier, the first unique identifier comprising at least one of a time-slot number and an address;

and

wherein the second modular display panel digitally stores the second video segment in the second video memory in accordance with a second unique identifier, the second unique identifier comprising at least one of a time-slot number and an address.

13. The method of claim 8,

wherein the first video memory is of a first size;

wherein the second modular display panel is coupled to the first modular display panel and the second video memory is of a second size that is different from the first size; and

wherein the receiver unit is configured to provide to the first modular display panel the first video segment sized in accordance with the first size preceded by the second video segment sized in accordance with the second size, such that;

the first modular display panel shifts the second video segment to the second modular display panel such that the second modular display panel digitally stores the second video segment to completely fill the second video memory, and

the first modular display panel digitally stores the first video segment to completely fill the first video memory.

14. A method of assembling a digital display system comprising a plurality of modular digital display panels, the method comprising:

providing a first modular display panel having a first size and shape, and

providing a second modular display panel also having the first size and shape;

packaging one or more of the first modular display panel and the second modular display panel;

assembling the packaged modular display panels;

wherein the first modular display panel comprises a first pixel array arranged at a first pitch;

wherein the second modular display panel comprises a second pixel array arranged at a second pitch that is different than the first pitch;

wherein the first modular display panel is configured to be mounted to a frame along with other displays so as to form an integrated display, wherein the first modular display panel comprises first attachment points that are configured to connect the first modular display panel to the frame, wherein the first modular display panel comprises a first video memory to store a portion of a first video to be displayed;

wherein the second modular display panel is configured to be mounted to the frame along with other displays so as to form an integrated display, wherein the second modular display panel comprises second attachment points that are configured to connect the second modular display panel to the frame, wherein the second modular display panel comprises a second video memory to store a portion of a second video to be displayed, wherein the first modular display panel and the second modular display panel are sized so as to be physically interchangeable on the frame; and

wherein any two modular display panels in the plurality of modular display panels are capable of being attached to each other in an integrated display system, wherein the plurality of modular digital display panels are configured to be exposed to an outside ambient.

15. The method of claim 14, wherein the first modular display panel and the second modular display panel comprise light emitting diode display panels, organic displays, micro-minor displays, plasma displays, liquid crystal displays, surface-conduction electron-emitter displays, field emission displays.

16. The method of claim 14, wherein packaging one or more of the first modular display panel and the second modular display panel comprises selecting the modular display panels to be packaged based on a received customer order and securing the modular display panels to prevent damage during transportation of the modular display panels, and wherein assembling the packaged modular display panels comprises loading the modular display panels onto a shipping platform.

17. The method of claim 14, wherein packaging one or more of the first modular display panel and the second modular display panel comprises attaching attachment plates to the modular display panels, and wherein assembling the packaged modular display panels comprises attaching the modular display panels on a mechanical support structure using the attachment plates.

18. The method of claim 14, wherein the first modular display panel further comprises:

a first controller coupled to the first pixel array, the first controller comprising a shift register and a current driver.

19. The method of claim 14, wherein the first modular display panel further comprises:

a switch array coupled to a power source and to the first pixel array, wherein the switch array is configured to switch power to at least one active pixel from the first pixel array in accordance with at least one of a scan select signal, a scan timer, and an address select signal.

20. The method of claim 14, wherein the first modular display panel further comprises a plurality of shift registers and a register switch,

wherein the register switch is configured to select a first active shift register from the plurality of shift registers in accordance with at least one of a scan select signal, a scan timer, an address select signal, a latch signal, and a data counter.

21. A modular digital display system comprising:

a mechanical support structure;

a plurality of digital display panels mounted to the mechanical support structure so as to form an integrated display panel;

wherein the mechanical structure is configured to provide mechanical support to the plurality of display panels;

wherein the plurality of digital display panels comprises a first display panel and a second display panel, the first display panel and the second display panel each having a same size and shape;

wherein the first display panel comprises

a power source,

a first pixel array having a first display resolution and a first pitch, and

a first controller coupled to the power source;

wherein the second display panel comprises a second pixel array having a second display resolution and a second pitch;

a receiver unit coupled to the plurality of display panels;

wherein the first display panel further comprises a first video memory;

wherein the second display panel further comprises a second video memory;

wherein the receiver unit is configured to provide a first video segment to the first display panel and a second video segment to the second display panel;

wherein the first display panel is configured to digitally store the first video segment in the first video memory; and

wherein the second display panel is configured to digitally store the second video segment in the second video memory.

22. The system of claim 21, wherein the plurality of digital display panels further comprises a third display panel, and wherein the third display panel comprises a third pixel array having a third display resolution and a third pitch.

23. The system of claim 21, wherein the first display panel is located along a bottom edge of the modular display system, the first display resolution being lower than the second display resolution.

24. The system of claim 21, wherein the first display panel is located at an outer edge of the modular display system, the first display resolution being lower than the second display resolution.

25. The system of claim 21, wherein the first display panel further comprises a switch array coupled to the power source and to the first pixel array;

and

wherein the switch array is configured to switch power to an input of a light emitting pixel unit in the first pixel array in accordance with at least one of a scan select signal, a scan timer, and an address select signal.

26. The system of claim 21, wherein the first display panel further comprises a data switch and a plurality of controllers;

wherein the plurality of controllers comprises the first controller and at least one second controller;

wherein the data switch is configured to select a first active controller from the plurality of controllers in accordance with at least one of a scan select signal, a scan timer, an address select signal, a latch signal, and a data counter; and

wherein the first active controller comprises a first shift register coupled to a first current driver.

27. The system of claim 26, wherein the second display further comprises a second active controller;

and

wherein the second active controller comprises a second shift register coupled to the plurality of controllers of the first display panel such that when the first shift register of the first active controller is filled with stored data and receives additional data, the first shift register of the first active controller is configured to shift a portion of the stored data into the second shift register of the second active controller.

28. The system of claim 27, wherein the second display further comprises a second active controller;

and

wherein the second active controller comprises a second shift register coupled to the plurality of controllers of the first display panel such that when the second shift register of the second active controller is filled with stored data and receives additional data, the second shift register of the second active controller is configured to shift a portion of the stored data into the first shift register of the first active controller.

29. The system of claim 21,

wherein the first display panel is configured to digitally store the first video segment in the first video memory in accordance with a first unique identifier, the first unique identifier comprising at least one of a time-slot number and an address;

and

wherein the second display panel is configured to digitally store the second video segment in the second video memory in accordance with a second unique identifier, the second unique identifier comprising at least one of a time-slot number and an address.

30. The system of claim 21,

wherein the first video memory is of a first size;

wherein the second video memory is of a second size;

wherein the receiver unit is configured to provide the first display panel the first video segment sized in accordance with the first size preceded by the second video segment sized in accordance with the second size;

wherein the first display panel is configured to shift the second video segment to the second display panel;

wherein the second display panel is configured to digitally store the second video segment to completely fill the second video memory; and

wherein the first display panel is configured to digitally store the first video segment to completely fill the first video memory.