WIRELESS COMMUNICATION ANTENNAS IN COMPUTER DISPLAYS

• US 20150200441A1
• Filed: 08/14/2012
• Published: 07/16/2015
• Est. Priority Date: 08/14/2012
• Status: Active Grant

• Current Assignee: Google LLC (Alphabet Inc.)
• Original Assignee: Google Inc. (Alphabet Inc.)
• Inventors: Rivera, Felix Jose Alvarez, Foo, Ken
• Granted Patent: US 9,490,526 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G02F 1/1333 Constructional arrangements; Manufacturing methodsG02F1/135, G02F1/136 take precedence
• CPC Class Codes: G02F 1/136286 Wiring, e.g. gate line, drain line
• CPC Class Codes: G02F 1/136295 Materials; Compositions; Manufacture processes
• CPC Class Codes: H01Q 1/22 by structural association with other equipment or articles
• CPC Class Codes: H01Q 1/2266 disposed inside the computer
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00

Abstract

A liquid crystal display screen of an electronic device is formed on a glass substrate. The glass substrate has an active display area with liquid crystal display elements disposed thereon. The active display area is bordered by an edge area of the glass substrate. Antenna elements are disposed in the edge area of the substrate. The antenna elements are coupled to wireless communications circuitry in the electronic device.

Claims

1. A computer display screen, comprising:

a substrate having an active display area and an edge area adjacent to the active display area, the substrate being a thin-film transistor (TFT) array substrate, the active display area being defined by a plurality of image display elements coupled to the substrate;

one or more TFT driver integrated circuits disposed on a portion of the edge area of the substrate and apart from the active display area, the one or more TFT driver integrated circuits configured to drive the plurality of image display elements; and

one or more antenna elements disposed on a portion of the edge area of the substrate and apart from the active display area.

2. The computer display screen of claim 1, wherein the substrate is a glass sheet.

3. The computer display screen of claim 1, wherein the plurality of image display elements are liquid crystal display elements.

4. The computer display screen of claim 1, wherein an antenna element is disposed proximate to one of the TFT driver integrated circuits on the TFT array substrate.

5. The computer display screen of claim 1, wherein the one or more antenna elements are made of one of aluminum, chromium, copper, molybdenum and tungsten metals.

6. The computer display screen of claim 1, wherein the one or more antenna elements are strip antennas.

7. The computer display screen of claim 1, wherein the one or more antenna elements have a physical dimension that is less than about 10 microns.

8. The computer display screen of claim 1, wherein the one or more antenna elements are configured to support wireless communications at one or more frequencies.

9. The computer display screen of claim 8, wherein the one or more frequencies include one or more standard frequencies:

850 MHz, 900 MHz, 1575 MHz, 1800 MHz, 1900 MHz, 2170 MHz, 2.4 GHz and 5.0 GHz.

10. A laptop device, comprising:

a casing with a front surface having an open area;

a thin-film transistor (TFT) array glass substrate defining an active area and an edge portion surrounding the active area, the active area having a plurality of display elements, the active area having a size that conforms to a size of the open area;

a plurality of TFT driver integrated circuits disposed on the edge portion of the TFT array glass substrate and apart from the active display area, the plurality of TFT driver integrated circuits being configured to drive the plurality of display elements;

a bezel disposed around the open area of the front surface, a portion of the bezel contacting the edge portion of the substrate such that the bezel is configured to support the substrate over the open area;

at least one antenna element disposed on the edge portion of the TFT array glass substrate apart from the active area, the at least one antenna element being disposed proximate to one of the TFT driver integrated circuits, the at least one antenna element including a loop portion; and

a color filter sheet disposed on the TFT array glass substrate such that the plurality of display elements are disposed between the color filter sheet and the TFT array glass substrate.

11. The laptop device of claim 10, wherein the at least one antenna element is a thin metal film.

12. The laptop device of claim 10, wherein the at least one antenna element is made of one of aluminum, chromium, copper, molybdenum and tungsten metals.

13. The laptop device of claim 10, wherein the at least one antenna element is a strip antenna.

14. The laptop device of claim 10, wherein the at least one antenna element has a physical dimension that is less than about 10 microns.

15. The laptop device of claim 10, wherein the at least one antenna element is configured to support wireless communications at one or more frequencies.

16. The laptop device of claim 15, wherein the one or more frequencies include one or more standard frequencies:

850 MHz, 900 MHz, 1575 MHz, 1800 MHz, 1900 MHz, 2170 MHz, 2.4 GHz and 5.0 GHz.

17. The laptop device of claim 10, wherein a portion of the bezel overlaps with the at least one antenna element.

18-26. -26. (canceled)

27. A device comprising:

a glass substrate having an active display area and a perimeter portion surrounding the active display area, the active display area including a plurality of light-emitting pixel elements, the perimeter portion being devoid of light-emitting pixel elements;

a driver integrated circuit disposed on the perimeter portion of the glass substrate, the driver integrated circuit configured to drive the plurality of light-emitting pixel elements;

a first antenna element disposed on the perimeter portion of the glass substrate and apart from the active display area of the glass substrate; and

a second antenna element disposed perimeter portion of the glass substrate and apart from the active display area of the glass substrate, the second antenna element being disposed a distance away from the first antenna element but proximate to the driver integrated circuit, the first and second antenna elements being metallization patterns deposited on separate perimeter portions of the glass substrate.

28. The device of claim 27, wherein the perimeter portion includes a first side portion and a second side portion, the first side portion being parallel to the second side portion, the active display area being disposed between the first side portion and the second side portion, the first antenna element being disposed on the first side portion of the perimeter portion, the second antenna element being disposed on the second side portion of the perimeter portion.

29. The device of claim 27, wherein the perimeter portion includes a third side portion perpendicular to the first side portion, wherein the device further comprises:

a third antenna element disposed on the third side portion.

30. The device of claim 27, further comprising:

a casing with a front surface having an open area, the active area having a size conforming to a size of the open area; and

a bezel disposed around the open area of the front surface, a portion of the bezel overlapping with the perimeter portion of the glass substrate such that the bezel is configured to support the glass substrate over the open area.

31. The device of claim 27, wherein the driver integrated circuit includes a gate electrode being constructed of a metal material coupled to the perimeter portion, the first and second antenna elements being constructed of a metal material coupled to the perimeter portion, the metal material of the first and second antenna elements being a same metal material as the metal material of the gate electrode.

32. The device of claim 27, further comprising:

a plurality of row and column conductor lines extending between the plurality of light-emitting pixel elements, the plurality of row column conductor lines being coupled to the driver integrated circuit.

33. The device of claim 27 further comprising:

a color filter sheet disposed on the glass substrate such that the plurality of light-emitting pixel elements are disposed between the color filter sheet and the glass substrate.

34. The device of claim 27, wherein the first antenna element includes a loop portion.