Display device with integrated antenna

Patent metadata

Field	Value
Publication number	US-10903553-B2
Application number	US-201916654129-A
Country	US
Kind code	B2
Filing date	Oct 16, 2019
Priority date	Jun 27, 2019
Publication date	Jan 26, 2021
Grant date	Jan 26, 2021

Abstract

An antenna is provided for a personal computing device, for example a wearable device such as a smartwatch. The antenna includes one or more radiating elements configured to receive or transmit radio waves. For example, the one or more radiating elements may at least partially be formed by one or more components of a display of a device, where the one or more components of the display include one or more conductive elements. The one or more radiating elements may also at least partially be formed by a dedicated antenna layer positioned in the display of the device.

First claim

The invention claimed is:

1. An antenna, comprising:
a plurality of radiating elements, comprising:
one or more components of a display of a device, the one or more components of the display including one or more conductive elements; and
a dedicated antenna layer positioned in the display of the device, wherein each of the one or more conductive elements are capacitively coupled to and separated from the dedicated antenna layer according to a respective separation distance, wherein the respective separation distance for the conductive element is based on antenna characteristics for the antenna;

wherein the plurality of radiating elements are configured to receive and/or transmit radio frequency waves.

2. The antenna of claim 1 , further comprising: at least one separation layer positioned between the one or more components and the dedicated antenna layer such that the one or more conductive elements and the dedicated antenna layer are capacitively coupled through the at least one separation layer.

3. The antenna of claim 2 , wherein the at least one separation layer includes an adhesive layer.

4. The antenna of claim 2 , wherein the thickness of the at least one separation layer between each of the one or more conductive elements and the dedicated antenna layer is the respective separation distance for the conductive element.

5. The antenna of claim 1 , further comprising: one or more tuners configured to change a resonant frequency of the antenna.

6. The antenna of claim 1 , further comprising: one or more matching networks configured to change an impedance of a radio source or a load of the antenna.

7. The antenna of claim 1 ,
wherein the antenna characteristics comprise a respective coupling capacitance between the dedicated antenna layer and each conductive element, and
wherein the respective separation distance for each of the one or more conductive elements is based on the respective capacitance between the dedicated antenna layer and the conductive element.

8. A device, comprising:
a display;
a first antenna, the first antenna comprising a plurality of radiating elements, the plurality of radiating elements comprising:
one or more components of the display, the one or more components of the display including one or more conductive elements; and
a dedicated antenna layer positioned in the display, wherein each of the one or more conductive elements are capacitively coupled to and separated from the dedicated antenna layer according to a respective separation distance, wherein the respective separation distance for the conductive element is based on antenna characteristics for the antenna;

wherein the plurality of radiating elements are configured to receive and/or transmit radio frequency waves.

9. The device of claim 8 , wherein the one or more components of the display include a display flex that provides electrical connections between the display to other components of the device.

10. The device of claim 9 , wherein the one or more conductive elements include the electrical connections of the display flex.

11. The device of claim 9 , wherein the one or more conductive elements include a conductive coating on the display flex.

12. The device of claim 8 , wherein the dedicated antenna layer is embedded in an adhesive layer in the display.

13. The device of claim 8 , further comprising: at least one separation layer positioned between the one or more components and the dedicated antenna layer such that the one or more conductive elements and the dedicated antenna layer are capacitively coupled through the at least one separation layer.

14. The device of claim 13 , wherein the separation layer is an adhesive affixing the dedicated antenna layer to the one or more components of the display.

15. The device of claim 8 , further comprising: a display cover, the display cover being made of a dielectric material configured to dielectrically load the first antenna.

16. The device of claim 8 , further comprising: one or more display panels, the one or more display panels being made of a dielectric material configured to dielectrically load the first antenna.

17. The device of claim 8 , further comprising:
a housing, the housing is made of a conductive material;
a ground connection between the first antenna and the housing.

18. The device of claim 8 , further comprising: a second antenna, the second antenna positioned along a periphery of a housing of the device, wherein the second antenna is configured to receive and/or transmit radio frequency waves in frequency ranges for GPS signals.

19. The device of claim 18 , further comprising: a third antenna, the third antenna positioned along a periphery of a housing of the device, wherein the third antenna is configured to receive and/or transmit radio frequency waves in frequency ranges for WiFi and Bluetooth signals.

20. A system, comprising:
a first antenna, the first antenna comprising:
a plurality of radiating elements, the plurality of radiating elements comprising:
one or more components of a display of a device, the one or more components of the display including one or more conductive elements; and
a dedicated antenna layer positioned in the display of the device, wherein each of the one or more conductive elements are capacitively coupled to and separated from the dedicated antenna layer according to a respective separation distance that is based on antenna characteristics for the antenna;

wherein the first antenna is configured to receive and/or transmit radio frequency waves in frequency ranges for LTE signals;
a second antenna positioned along a periphery of a housing of the device, the second antenna being configured to receive and/or transmit radio frequency waves in frequency ranges for GPS signals; and
a third antenna positioned along the periphery of the housing of the device, the third antenna being configured to receive and/or transmit radio frequency waves in frequency ranges for WiFi and Bluetooth signals.

Assignees

• Google Llc

Inventors

• Wang Zheyu
• Zhu Jiang

Classifications

• H04B1/385

  Transceivers carried on the body, e.g. in helmets · CPC title

• H01Q9/0421

  with a shorting wall or a shorting pin at one end of the element (H01Q9/0414 takes precedence) · CPC title

• H01Q9/42

  with folded element, the folded parts being spaced apart a small fraction of the operating wavelength · CPC title

• H01Q21/28

  Combinations of substantially independent non-interacting antenna units or systems {(multiple beam H01Q25/00)} · CPC title

• H01Q1/273 Primary

  Adaptation for carrying or wearing by persons or animals · CPC title