Abstract: The present disclosure relates to a method for making a pacemaker electrode lead. In the method, the conductive wire structure and the carbon nanotube structure are provided. A conductive material is combined with the carbon nanotube structure to form a carbon nanotube composite structure. The carbon nanotube composite structure is covered on surface of the conductive wire structure to form a conductive wire composite structure.

Abstract: A thermochromatic element includes a sealed enclosure, an insulation layer and a first heating element. The insulation layer is received in the sealed enclosure, that divides the sealed enclosure into a first chamber and a second chamber. The first heating element is configured to heat the first chamber. The first heating element includes a carbon nanotube film including a number of carbon nanotube linear units and a number of carbon nanotube groups. Each carbon nanotube linear unit includes a number of first carbon nanotubes substantially oriented along a first direction, and are spaced from each other and substantially extending along the first direction. The carbon nanotube groups are combined with the carbon nanotube linear units by van der Waals force. The carbon nanotube groups between adjacent carbon nanotube linear units are spaced from each other in the first direction.

Abstract: A display device includes an e-paper, a touch panel, and an external data interface. The e-paper has a display surface. The touch panel is located on the display surface of the e-paper. The touch panel is configured to control the e-paper. The data interface is configured to electrically connect the e-paper and the touch panel to an electric device. The e-paper and the touch panel include a plurality of processing units and control units integrated in the electric device. The present disclosure also relates to a display system using the display device.

Abstract: A light emitting diode includes a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode, a second electrode. The second electrode includes a treated patterned carbon nanotube film. The treated patterned carbon nanotube film includes at least two carbon nanotube linear units spaced from each other; and carbon nanotube groups spaced from each other. The carbon nanotube groups are located between the at least two carbon nanotube linear units, and combined with the at least two carbon nanotube linear units.

Abstract: An organic light emitting diode includes a substrate, a first electrode, an organic functional layer; and a second electrode. One of the first electrode and the second electrode includes a treated patterned carbon nanotube film. The treated patterned carbon nanotube film includes at least two carbon nanotube linear units spaced from each other; and carbon nanotube groups spaced from each other. The carbon nanotube groups are located between the at least two carbon nanotube linear units, and combined with the at least two carbon nanotube linear units.

Abstract: A heatable seat includes a back and a bottom. At least one of the back and the bottom includes a heating pad. The heating pad includes a heating element, a number of first electrodes and a number of second electrodes. The heating element includes a flexible substrate and a carbon nanotube layer fixed on the flexible substrate. The heating element has a first end and a second end opposite to the first end. The first end is cut into a number of first strip structures. The second end is cut into a number of second strip structures. Each of the first electrodes clamps one of the first strip structures and is electrically connected with the first strip structure. Each of the second electrodes clamps one of the second strip structures and is electrically connected with the second strip structure.

Abstract: An electrode lead of a pacemaker includes at least one lead wire including at least one composite conductive core. The at least one composite conductive core includes at least one conductive core and at least one carbon nanotube yarn spirally wound on an outer surface of the at least one conductive core. The at least one carbon nanotube yarn includes a number of carbon nanotubes joined end to end by van der Waals attractive forces. The pacemaker includes a pulse generator and the electrode lead electrically connected to the pulse generator.

Abstract: A capacitance-type touch panel includes an insulating layer, a first transparent conductive layer, a number of first electrodes, a second transparent conductive layer, and at least one second electrode. The first transparent conductive layer includes a carbon nanotube film. The carbon nanotube film includes a number of carbon nanotube wires substantially parallel with each other and a number of carbon nanotube clusters located between the number of carbon nanotube wires. The carbon nanotube wires extend along an X direction and are spaced from each other along a Y direction. The carbon nanotube clusters between each adjacent two of the carbon nanotube wires are spaced from each other along the X direction. The X direction is intercrossed with the Y direction.

Abstract: A method for making a carbon nanotube film structure is related. A rotator having an axis and a rotating surface is provided. A carbon nanotube film drawn from a carbon nanotube array is adhered on the rotating surface of the rotator. The rotator is rotated about the axis to wrap the carbon nanotube film on the rotating surface of the rotator to form a carbon nanotube layer. The carbon nanotube layer is cut along a direction to form the carbon nanotube film structure.

Abstract: A friction member for a brake mechanism in a camera shutter is provided. The friction member includes at least two carbon nanotube composite layers stacked on each other, each carbon nanotube composite layer includes a polymer and a carbon nanotube structure including a number of carbon nanotubes substantially oriented along a same direction. An angle defined by the carbon nanotubes oriented along the same direction in adjacent carbon nanotube composite layers ranges from greater than 0 degrees, and less than or equal to 90 degrees. The camera shutter using the friction member is also provided. The camera shutter includes a brake mechanism and a drive mechanism including a blade driving lever having a moving path. The brake mechanism includes two abovementioned friction members and a brake lever clamped between the two friction members. The brake lever is located at a termination of the moving path to brake the blade driving lever.

Abstract: A touch panel includes a substrate, a transparent conductive layer located on the substrate, and a number of electrodes electrically connected to the transparent conductive layer. The transparent conductive layer includes a carbon nanotube film. The carbon nanotube film includes a number of carbon nanotube wires substantially parallel with each other and a number of carbon nanotube clusters located between the number of carbon nanotube wires. The carbon nanotube wires extend along an X direction and are spaced from each other along a Y direction. The carbon nanotube clusters between each adjacent two of the carbon nanotube wires are spaced from each other along the X direction. The X direction is intercrossed with the Y direction.

Abstract: An electronic element includes a carbon nanotube film, at least one first electrode and at least one second electrode spaced from the at least one first electrode. The carbon nanotube film includes a number of carbon nanotube linear units spaced from each other, and a number of carbon nanotube groups. The carbon nanotube linear units extend along a first direction to form a number of first conductive paths. The carbon nanotube groups are combined with the carbon nanotube linear units by van der Waals force in a second direction intercrossed with the first direction, to form a number of second conductive paths. The carbon nanotube groups between adjacent carbon nanotube linear units are spaced from each other in the first direction. The at least one first and second electrodes are electrically connected with the carbon nanotube film through the first conductive paths or the second conductive paths.

Abstract: A resistance-type touch panel includes a first electrode plate and the second electrode plate spaced from and opposite to the first electrode plate. The first electrode plate includes a first substrate and a first transparent conductive layer. The second electrode plate includes a second substrate and a second transparent conductive layer. The first transparent conductive layer includes a carbon nanotube film. The carbon nanotube film includes a number of carbon nanotube wires substantially parallel with each other and a number of carbon nanotube clusters located between the number of carbon nanotube wires. The carbon nanotube wires extend along an X direction and are spaced from each other along a Y direction. The carbon nanotube clusters between each adjacent two of the carbon nanotube wires are spaced from each other along the X direction. The X direction is intercrossed with the Y direction.

Abstract: A method for cutting brittle sheet-shaped structure is disclosed. A brittle sheet-shaped structure having a cutting surface including a first cutting line on the cutting surface of the brittle sheet-shaped structure is formed. The cutting surface is divided into a first section and a second section, wherein the first section has a predetermined shape. At least one second cutting line is formed on the second section along part of the first cutting line or a tangent line of the first cutting line. A number of third cutting lines are formed on the second section by taking the first cutting line as endpoints. A brittle sheet-shaped structure having the predetermined shape is finally obtained by splitting the brittle sheet-shaped structure along the first cutting line, the at least one second cutting line, and the third cutting lines.

Abstract: A friction member for a brake mechanism in a camera shutter is provided. The friction member includes a carbon nanotube polymer composite. The carbon nanotube polymer composite includes a polymer and a carbon nanotube structure mixed with the polymer. The carbon nanotube structure includes a plurality of carbon nanotubes joined by van der Waals attraction force. The camera shutter using the friction member is also provided. The camera shutter includes a drive mechanism and a brake mechanism. The drive mechanism includes a blade driving lever having a moving path. The brake mechanism includes two abovementioned friction members and a brake lever clamped between the two friction members. The brake lever is located at a termination of the moving path to brake the blade driving lever.

Abstract: A stereomicroscope includes a base and a vessel which is disposed on the base. The vessel includes a transparent body and a light emitting unit. The transparent body has a bottom and a sidewall. The bottom and the sidewall define an opening. The sidewall extends from a side of the bottom. The opening of the transparent body places a specimen. The light emitting unit is fixed in the sidewall of the transparent body for emitting light. The light emitted from the light emitting unit illuminates the specimen, and is substantially parallel to the bottom of the transparent body.

Abstract: A display device includes a display element and a touch panel including a first electrode plate and a second electrode plate. The first electrode plate includes a first conductive layer and two first electrodes electrically connected to the first conductive layer. The second electrode plate includes a second conductive layer and two second electrodes electrically connected to the second conductive layer. The display element includes a plurality of pixels arranged in rows and columns along a first direction and a second direction. At least one of the first conductive layer and the second conductive layer includes a plurality of carbon nanotubes arranged primarily along the same aligned direction. The aligned direction and the second direction define an angle ranging from above 0° to less than or equal to 90°.

Abstract: A method for making a heater is related. A rotator having an axis and a flexible substrate with a plurality of electrodes located on a surface of the flexible substrate are provided. The flexible substrate is fixed on a surface of the rotator and a carbon nanotube film drawn from a carbon nanotube array is adhered on the surface of the flexible substrate. The rotator is rotated about the axis to wrap the carbon nanotube film on the surface of the flexible substrate to form a carbon nanotube layer. The flexible substrate and the carbon nanotube layer are cut along a direction to form the heater.

Abstract: An electrode lead of a pacemaker includes a lead wire. The lead wire includes at least one sub-lead wire and an electrode head electrically connected with the lead wire. The sub-lead wire includes a core wire structure and a carbon nanotube composite structure wound around the core wire structure. The pacemaker includes a pulse generator and the electrode lead electrically connected to the pulse generator.

Abstract: A carbon nanotube film supporting structure is provided. The carbon nanotube film supporting structure is used for supporting a carbon nanotube film structure. The carbon nanotube film supporting structure includes a body and a number of voids. The body has a surface defining a support region. The voids are defined in the support region. A void ratio of the support region is greater than or equal to 80%. The present disclosure also provides a method for using the carbon nanotube film supporting structure.