1. A smart watch, comprising:
a communication unit configured to transmit a connection signal and a position state of the smart watch to a display device and receive an execution signal of a first content from the display device;
a display unit configured to display the first content;
a sensor unit configured to detect the position state of the smart watch;
a camera unit configured to sense an image in a front direction; and
a processor configured to control the communication unit, the display unit, the sensor unit, and the camera unit and execute a received control signal,
wherein the display device is configured to:
receive the connection signal and the position state of the smart watch from the smart watch,
execute a second content,
detect a position state of the display device,
when an arrangement state of the smart watch and the display device corresponds to a first state, transmit the execution signal of the first content to the smart watch, and
when the arrangement state of the smart watch and the display device corresponds to a second state, execute the first content in the display device,
wherein the first content corresponds to a content relevant to the second content currently executed in the display device, and
wherein the first state corresponds to a state that the display unit of the smart watch and a display unit of the display device face an identical direction and the second state corresponds to a state that the display unit of the smart watch and the display unit of the display device do not face an identical direction.
2. The smart watch of claim 1, wherein the display device is further configured to:
detect a first gesture input, and,
if the arrangement state of the smart watch and the display device corresponds to the first state, transmit the execution signal of the first content to the smart watch based on the detected first gesture input.
3. The smart watch of claim 1, wherein if the arrangement state corresponds to the second state, the display device is further configured not to transmit the execution signal of the first content.
4. The smart watch of claim 3, wherein the display device is further configured to display the first content in the display unit of the display device.
5. The smart watch of claim 1, wherein the first state indicates a case that a similarity between an image sensed via the camera unit of the smart watch and an image sensed by a camera unit of the display device exceeds a predetermined ratio and the second state indicates a case that the similarity between the image sensed via the camera unit of the smart watch and the image sensed by the camera unit of the display device does not exceed the predetermined ratio.
6. The smart watch of claim 1, wherein the first content corresponds to an auxiliary content of the second content.
7. The smart watch of claim 1, wherein the display device is further configured to receive the connection signal and the position state of the smart watch from the smart watch, execute a first camera content, detect the position state of the display device, and if the arrangement state of the smart watch and the display device corresponds to the second state, transmit an execution signal of a second camera content to the smart watch.
8. The smart watch of claim 7, wherein the first camera content comprises a first image preview interface and an image capturing trigger and the second camera content comprises a second image preview interface.
9. The smart watch of claim 8, wherein the second image preview interface provides an image sensed by a camera unit of the display device in a manner of horizontally compensating the image based on a gradient of the smart watch.
10. The smart watch of claim 2, wherein the processor is further configured to:
detect a second gesture input performed on the first content, and,
transmit a control signal of the second content to the display device based on the detected second gesture input.
11. The smart watch of claim 10, wherein the processor is further configured to transmit a dimming extension signal of the second content to the display device based on the detected second gesture input.
12. The smart watch of claim 1, wherein if the arrangement state of the smart watch and the display device is modified from the first state to the second state, the display device is further configured to display a third content in the display unit of the smart watch or the display unit of the display device,
wherein the third content corresponds to a content inducing the arrangement state of the smart watch and the display device to be the first state.
13. The smart watch of claim 1, wherein if an event occurrence is detected in the first state, the display device is further configured to store the currently executed second content and provide a notification on the occurred event.
14. The smart watch of claim 13, wherein the display device is further configured to transmit a dimming extension signal of the first content to the smart watch.
15. A display device, comprising:
a communication unit configured to receive a connection signal and a position state of a smart watch from the smart watch, and transmit an execution signal of a first content if an arrangement state of the smart watch and the display device corresponds to a first state;
a display unit configured to display a second content;
a sensor unit configured to detect a position state of the display device;
a camera unit configured to sense an image in a front direction; and
a processor configured to control the communication unit, the display unit, the sensor unit, and the camera unit, execute the second content, and execute a received control signal,
wherein the processor is further configured to:
when an arrangement state of the smart watch and the display device corresponds to a second state, execute the first content to the display device,
wherein the smart watch is configured to:
transmit the connection signal and the position state of the smart watch to the display device, and
when the arrangement state of the smart watch and the display device corresponds to the first state, receive the execution signal of the first content and execute the first content in the smart watch,
wherein the first content corresponds to a content relevant to the second content currently executed in the display device, and
wherein the first state corresponds to a state that a display unit of the smart watch and the display unit of the display device face an identical direction and the second state corresponds to a state that the display unit of the smart watch and the display unit of the display device do not face an identical direction.
16. A method of controlling a smart watch, the method comprising:
detecting a position state of the smart watch;
transmitting a connection signal and a position state of the smart watch to a display device;
receiving an execution signal of a first content from the display device; and
executing a control signal received from the display device,
wherein the display device is configured to:
receive the connection signal and the position state of the smart watch from the smart watch,
execute a second content,
detect a position state of the display device,
when an arrangement state of the smart watch and the display device corresponds to a first state, transmit the execution signal of the first content to the smart watch, and
when the arrangement state of the smart watch and the display device corresponds to a second state, execute the first content in the display device,
wherein the first content corresponds to a content relevant to the second content currently executed in the display device, and
wherein the first state corresponds to a state that the display unit of the smart watch and a display unit of the display device face an identical direction and the second state corresponds to a state that the display unit of the smart watch and the display unit of the display device do not face an identical direction.
17. A method of controlling a display device, the method comprising:
receiving a connection signal and a position state of a smart watch from the smart watch;
executing a second content;
detecting a position state of the display device;
when an arrangement state of the smart watch and the display device corresponds to a first state, transmitting an execution signal of a first content to the smart watch; and
when the arrangement state of the smart watch and the display device corresponds to a second state, executing the first content in the display device,
wherein the smart watch is configured to:
transmit the connection signal and the position state of the smart watch to the display device, and
when an arrangement state of the smart watch and the display device corresponds to the first state, receive the execution signal of the first content, and execute the first content in the smart watch,
wherein the first content corresponds to a content relevant to the second content currently executed in the display device, and
wherein the first state corresponds to a state that a display unit of the smart watch and the display unit of the display device face an identical direction and the second state corresponds to a state that the display unit of the smart watch and the display unit of the display device do not face an identical direction.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A photovoltaic cell comprising:
a substrate
an insulator layer overlaying one surface of the substrate;
one or more nanometer-scale wires or rods having two ends, disposed horizontally on the insulator layer such that the nanometer scale wires or rods are substantially parallel to the substrate;
at least one layer of electronic material surrounding the one or more nanometer-scale wires or rods, said at least one layer of electronic material partially embedding said one or more nanometer-scale wires or rods and exhibiting semiconductor electrical conduction characteristics;
a first electrode electrically connected to said at least one layer of electronic material; and
a second electrode electrically connected to said one or more nanometer-scale wires or rods,
wherein junctions providing built-in electric field are formed at interfaces between the one or more nanometer-scale wires or rods and the at least one layer of electronic material surrounding the nanometer-scale wires or rods, and
wherein the junctions are p-n junctions or Schottky junctions.
2. The photovoltaic cell of claim 1, wherein the one or more nanometer-scale wires or rods are selected from a group consisting of metallic, semiconductor, and carbon-like material.
3. The photovoltaic cell of claim 1, wherein the one or more nanometer-scale wires or rods comprise more than one type of material.
4. The photovoltaic cell of claim 1, wherein
the one or more nanometer-scale wires or rods are composed of CdTe;
the at least one layer of electronic material is composed of CdS; and
the second electrode is composed of a metal suitable to form ohmic contact with CdTe.
5. The photovoltaic cell of claim 1, wherein said second electrode further comprises:
a first section of electrode; and
a second section of electrode,
wherein the first section of electrode connects to one end of said one or more nanometer-scale wires or rods, and the second section of electrode connects other end of said nanometer scale wires or rods,
wherein the first section of electrode and the second section of electrode are electrically connected to make the second electrode, and
wherein the second electrode is electrically isolated from said at least one layer of electronic material.
6. The photovoltaic cell of claim 1,
wherein the first electrode is composed of a transparent conductive metal,
the one or more nanometer scale wires or rods are composed of GaN of n or p-type,
and the at least one layer of electronic material is p or n-type In1-xGaxN such that doping polarity is opposite type from that in the one or more nanometer-scale wires or rods,
wherein for each of the at least one layer of electronic material, x is varied according to 0\u2266x\u22661, such that a layer nearest to a surface receiving the incident electromagnetic radiation has high Ga contents resulting in a high band gap material, and a layer farthest from said surface has low Ga content resulting in a low band gap material.
7. The photovoltaic cell of claim 1, wherein
the first electrode is composed of a transparent conductive metal,
the one or more nanometer-scale wires or rods are composed of InP of n or p-type,
and the at least one layer of electronic material is p or n-type In1-xGaxAs such that doping polarity is opposite type from that in the one or more nanometer-scale wires or rods,
wherein for each of the at least one layer of electronic material, x is varied according to 0\u2266x\u22661, such that a layer nearest to a surface receiving the incident electromagnetic radiation has high Ga contents resulting in a high band gap material, and a layer farthest from said surface has low Ga content resulting in a low band gap material.
8. A photovoltaic cell comprising:
a substrate;
an insulator layer;
one or more nanometer-scale tubes having two ends, disposed horizontally on the insulator layer such that the one or more nanometer-scale tubes are substantially parallel to the substrate;
at least one layer of first electronic material surrounding the one or more nanometer-scale tubes, the at least one layer of first electronic material partially embedding the one or more nanometer-scale tubes, such that said one or more nanometer-scale tubes have both ends extending out from the at least one layer of first electronic material;
a first electrode electrically connected to the at least one layer of first electronic material; and
a second electrode electrically connected to said one more nanometer-scale tubes,
wherein junctions providing built-in electric field are formed at interfaces between the one or more nanometer-scale tubes and the at least one layer of first electronic material surrounding the one or more nanometer-scale tubes, and
wherein the junctions are ones selected from the group consisting of p-n junctions and Schottky junctions.
9. The photovoltaic cell of claim 8, wherein the one or more nanometer-scale tubes are the ones selected from a group consisting of metal, semiconductor, or carbon-type material.
10. The photovoltaic cell of claim 8, wherein:
the one or more nanometer-scale tubes are composed of CdTe;
the at least one layer of first electronic material is composed of CdS; and
the second electrode is composed of a metal suitable to form ohmic contact with CdTe.
11. The photovoltaic cell of claim 8, wherein the one or more nanometer-scale tubes further comprise:
a second electronic material inside the one or more nanometer-scale tubes, the second electronic material being in electrical contact with the first electrode and the at least one layer of first electronic material,
wherein additional junctions are formed at the interfaces between the one or more nanometer-scale tubes and second electronic material provide additional electrical built-in-potential, and
wherein the additional junctions are p-n junctions or Schottky junctions.
12. The photovoltaic cell of claim 11, wherein the second electronic material is selected from a group consisting of semiconductor and metal.
13. The photovoltaic cell of claim 12, wherein the one or more nanometer-scale tubes are p-type or n-type, the second electronic material is opposite type to said one or more nanometer-scale tubes, and the first electronic material is opposite type to said one or more nanometer-scale tubes, such that said junctions and said additional junctions are p-n junctions.
14. The photovoltaic cell of claim 8, wherein said second electrode further comprises:
a first section of electrode; and
a second section of electrode,
wherein the first section of electrode connects to one end of said one or more nanometer-scale tubes, and the second section of electrode connects other end of said one or more nanometer scale tubes,
wherein the first section of electrode and the second section of electrode are electrically connected to make the second electrode, and
wherein the second electrodes are not electrically connected to said at least one layer of electronic material.
15. The photovoltaic cell of claim 8, wherein each layer of the at least one layer of first electronic material is comprised of different materials or different doping configurations such that electromagnetic radiations of different wavelengths are absorbed.
16. A photovoltaic cell comprising:
a substrate
an insulator layer overlaying one surface of the substrate;
one or more nanometer-scale three dimensional geometric structures having two ends, selected from a group consisting of tubes, wires, and rods, disposed horizontally on the insulator layer such that the one or more nanometer-scale three dimensional geometric structures are substantially parallel to the substrate;
at least one layer of electronic material surrounding the one or more nanometer-scale three dimensional geometric structures, said at least one layer of electronic material partially embedding the one or more nanometer-scale three dimensional geometric structures, such that said one or more nanometer-scale three dimensional geometric structures have both ends extending out from said at least one layer of electronic material;
a first electrode electrically connected to said at least one layer of electronic material; and
a second electrode electrically connected to the one or more nanometer-scale three dimensional geometric structures,
wherein junctions providing built-in electric field are formed at interfaces between the one or more nanometer-scale three dimensional geometric structures and the at least one layer of electronic material surrounding the one or more nanometer-scale three dimensional geometric structures,
wherein the junctions are p-n junctions or Schottky junctions, and
wherein material type of the one or more nanometer-scale three dimensional geometric structures is one, selected from a group consisting of material exhibiting carbon like, metallic, n-type semiconductor, and p-type semiconductor electrical conduction characteristics.
17. The photovoltaic cell of claim 16, wherein there are a plurality of layers of electronic material, which comprise different electronic materials or similar electronic materials having different material contents, such that variation in absorption characteristics in said plurality of layers of electronic material arc ensured to achieve absorption of electromagnetic radiation over a wide wavelength range.
18. The photovoltaic cell of claim 16, wherein
the first electrode is composed of a transparent conductive metal,
the one or more nanometer-scale three dimensional geometric structures are composed of GaN of n or p-type, the at least one layer of electronic material is p or n-type In1-xGaxN such that doping polarity is opposite kind from that in the one or more nanometer-scale three dimensional geometric structures,
wherein for each of the at least one layer of electronic material, x is varied according to 0\u2266x\u22661, such that a layer nearest to a surface receiving the incident electromagnetic radiation has high Ga contents resulting in a high band gap material, and a layer farthest from said surface has low Ga content resulting in a low band gap material.
19. The photovoltaic cell of claim 16, wherein:
the first electrode is composed of a transparent conductive metal;
the one or more nanometer-scale three dimensional geometric structures are composed of CdTe of n or p-type, the at least one layer of electronic material is p or n-type Cd1-xZnxS such that doping polarity is opposite kind from that in the one or more nanometer-scale three dimensional geometric structures; and
the second electrode is composed of a metal suitable to construct an ohmic contact to CdTe,
wherein for each of the at least one layer of electronic material, x is varied according to 0\u2266x\u22661, such that a layer nearest to a surface receiving the incident electromagnetic radiation has high Zn contents resulting in a high band gap material, and a layer farthest from said surface has low Zn content resulting in a low band gap material.
20. The photovoltaic cell of claim 16, wherein:
the first electrode is composed of a transparent conductive metal;
the one or more nanometer-scale three dimensional geometric structures are composed of Si of n or p-type, the at least one layer of electronic material is p or n-type Si:Ge alloy, such that doping polarity is opposite kind from that in the one or more nanometer-scale three dimensional geometric structures; and
the second electrode is composed of a metal suitable to construct an ohmic contact to Si,
wherein for each of the at least one layer of electronic material, Ge is varied, such that a layer nearest to a surface receiving the incident electromagnetic radiation has low Ge contents resulting in a high band gap material, and a layer farthest from said surface has high Ge content resulting in a low band gap material.