Mobile phone

• US 20100048254A1
• Filed: 08/13/2009
• Published: 02/25/2010
• Est. Priority Date: 08/22/2008
• Status: Active Grant

• Current Assignee: Hon Hai Precision Industry Co., Ltd., Tsinghua University
• Original Assignee: Hon Hai Precision Industry Co., Ltd., Tsinghua University
• Inventors: Fan, Shou-Shan, Li, Qun-Qing, Jiang, Kai-Li, Liu, Liang
• Granted Patent: US 8,260,378 B2
• Time in Patent Office: Days
• US Class Current: 455/566
• CPC Class Codes: H04M 1/0266 for a display module assembly
• CPC Class Codes: H04M 2250/22 including a touch pad, a touch sensor or a touch detector digitizers for touch screens G06F3/041

Abstract

A mobile phone includes a body defining a display panel, and a touch panel. The body further includes a communicating system received therein. The touch panel is disposed on a surface of the display panel. The touch panel includes at least a carbon nanotube layer. The carbon nanotube layer includes a carbon nanotube film.

Claims

1. A mobile phone, comprising:

a body having a display panel, the body further comprising a communicating system disposed therein;

a touch panel disposed on a surface of the display panel, the touch panel comprising at least one transparent conductive layer, the at least one transparent conductive layer comprising a carbon nanotube layer.

2. The mobile phone as claimed in claim 1, further comprising a passivation layer interposed between the display panel and the touch panel.

3. The mobile phone as claimed in claim 1, wherein the carbon nanotube layer comprises at least one layer of carbon nanotube film, the carbon nanotube film comprises a plurality of carbon nanotubes.

4. The mobile phone as claimed in claim 1, wherein the carbon nanotube film is a drawn carbon nanotube film.

5. The mobile phone as claimed in claim 3, wherein the carbon nanotubes of the at least one layer of carbon nanotube film are connected end to end by van der Waals forces therebetween and are approximately parallel with each other.

6. The mobile phone as claimed in claim 3, wherein the carbon nanotubes are selected from the group consisting of single walled carbon nanotubes, double walled carbon nanotubes, and multi-walled carbon nanotubes.

7. The mobile phone as claimed in claim 1, wherein the carbon nanotube layer comprises at least one layer of carbon nanotube film, the carbon nanotube film comprises a plurality of carbon nanotubes, the carbon nanotubes are entangled with one another.

8. The mobile phone as claimed in claim 1, further comprising a shield layer interposed between the touch panel and the display panel.

9. The mobile phone as claimed in claim 1, further comprising a protective layer disposed on a surface of the touch panel away from the display panel.

10. The mobile phone as claimed in claim 1, wherein the touch panel comprises a capacitive touch panel, the capacitive tough panel comprises a substrate, the transparent conductive layer disposed on the substrate away from the display panel, and a plurality of transparent electrodes spaced from each other and electrically connected to the transparent conductive layer.

11. The mobile phone as claimed in claim 10, wherein the transparent electrodes are fixed on the transparent conductive layer via sliver paste.

12. The mobile phone as claimed in claim 10, wherein the transparent electrodes are made of carbon nanotube film.

13. The mobile phone as claimed in claim 10, wherein the transparent electrodes are made of conductive metal.

14. The mobile phone as claimed in claim 1, wherein the touch panel comprises a resistive touch panel, the resistive touch panel comprises a first electrode plate and a second electrode plate connected to the first electrode plate,

the first electrode plate comprises a first substrate defining a first surface, a first transparent conductive layer mounted on the first surface of the first substrate, and two first electrodes, the two first transparent electrodes are fixed on two ends of the first transparent conductive layer in a interval along a first direction;

the first transparent conductive layer comprises a carbon nanotube layer, the carbon nanotube layer comprises a plurality of carbon nanotubes arranged along a first direction;

the second electrode plate comprises a second substrate defining a second surface away from the display panel, a second transparent conductive layer mounted on the second surface of the second transparent substrate, and two second transparent electrodes, the two second transparent electrodes are fixed on the two ends of the first transparent conductive layer, the second conductive layer and the two second transparent electrodes of the second electrode plate face the first electrode plate, the second transparent conductive layer comprises a carbon nanotube layer, the carbon nanotube layer comprises a plurality of carbon nanotubes arranged along a second direction, the second direction is substantially perpendicular to the first direction.

15. The mobile phone as claimed in claim 14, wherein the resistive touch panel comprises an insulated pad interposed between the peripheries of the first and second electrode plates and configured for spacing from therebetween.

16. The mobile phone as claimed in claim 14, wherein the two first and second transparent electrodes are fixed on the opposite ends of the first and second transparent conductive layer respectively.

17. The mobile phone as claimed in claim 14, wherein the resistive touch panel comprises a plurality of transparent dot spacers sandwiched between the first and second electrode plates to space the first electrode plate from the second electrode plate.

18. The mobile phone as claimed in claim 14, wherein a longitudinal axis of the carbon nanotubes of the second transparent conductive layer is substantially perpendicular to that of the carbon nanotube of the first transparent conductive layer when the carbon nanotube films of the first and second transparent conductive layer are orderly formed by the carbon nanotubes.

19. The mobile phone as claimed in claim 14, wherein at least one transparent conductive layer is a carbon nanotube film.

20. The mobile phone as claimed in claim 19, wherein the carbon nanotube film is one of a drawn carbon nanotube film, a flocculated carbon nanotube film, and a pressed carbon nanotube film.

21. The mobile phone as claimed in claim 20, wherein the carbon nanotube film is a drawn carbon nanotube film, the carbon nanotubes in the drawn carbon nanotube film are oriented along a same preferred orientation and approximately parallel to each other.

22. The mobile phone as claimed in claim 20, wherein the carbon nanotube film is the flocculated carbon nanotube film, the flocculated carbon nanotube film is porous and isotropic, and the carbon nanotube of the flocculated carbon nanotube film are entangled with each other and uniformly dispersed in the flocculated carbon nanotube film;

adjacent carbon nanotubes in the flocculated carbon nanotube film are attracted by van der Waals attractive force.

23. The mobile phone as claimed in claim 20, wherein the carbon nanotube film is a pressed carbon nanotube film, the carbon nanotubes in the pressed carbon nanotube film are arranged along a same direction or arranged along different directions and rest upon each other.

24. The mobile phone as claimed in claim 20, wherein the carbon nanotube film is a pressed carbon nanotube film, an angle between a primary alignment direction of the carbon nanotubes in the pressed carbon nanotube film and a surface of the pressed carbon nanotube film is approximately 0 degrees to approximately 15 degrees.

25. The mobile phone as claimed in claim 20, wherein the carbon nanotube film is a pressed carbon nanotube film, the pressed carbon nanotube film is isotropic if the carbon nanotubes in the pressed carbon nanotube film are arranged along different directions.