What is claimed is:
1. A display device, comprising:
a display panel including a bus line section; and
at least one driver for driving the bus line section included in the display panel,
wherein each of the at least one driver includes an amplifier for generating a non-driving signal based on an input signal, the non-driving signal not contributing to driving of the bus line section.
2. A display device according to claim 1, wherein:
each of the at least one driver includes a first surface facing the display panel, and the first surface includes a first side in contact with the display panel and a second side facing the first side, and
each of the at least one driver includes an input section, provided closer to the second side than the first side, through which the input signal is input, and an output section, closer to the second side than the first side, through which the non-driving signal is output.
3. A display device according to claim 1, wherein:
each of the at least one driver includes a first surface facing the display panel, and the first surface includes a first side in contact with the display panel and a second side facing the first side, and
each of the at least one driver includes an input section, provided closer to the second side than the first side, through which the input signal is input, and at least one output section, provided in at least one of a position closer to the second side than the first side and a position closer to the first side than the second side, through which the non-driving signal is output.
4. A display device according to claim 1, wherein the amplifier amplifies the input signal at a gain greater than 1 so as to generate the non-driving signal.
5. A display device, comprising:
a display panel for providing a gray scale display by a gray scale voltage; and
at least one driver for generating a gray scale signal having the gray scale voltage,
wherein each of the at least one driver includes an amplifier for generating a gray scale reference signal having a gray scale reference voltage based on an input signal, and a gray scale signal generation section for generating a gray scale signal having the gray scale voltage based on the gray scale reference voltage.
6. A display device according to claim 5, wherein:
each of the at least one driver includes a first surface facing the display panel, and the first surface includes a first side in contact with the display panel and a second side facing the first side, and
each of the at least one driver includes an input section, provided closer to the second side than the first side, through which the input signal is input, and an output section, provided closer to the second side than the first side, through which the gray scale reference signal is output.
7. A display device according to claim 5, wherein:
each of the at least one driver includes a first surface facing the display panel, and the first surface includes a first side in contact with the display panel and a second side facing the first side, and
each of the at least one driver includes an input section, provided closer to the second side than the first side, through which the input signal is input, and at least one output section, provided in at least one of a position closer to the second side than the first side and a position closer to the first side than the second side, through which the gray scale reference signal is output.
8. A display device according to claim 5, wherein the amplifier amplifies the input signal at a gain greater than 1 so as to generate the gray scale reference signal.
9. A display device according to claim 5, wherein:
the at least one driver are a plurality of drivers,
each of the plurality of drivers includes one or two amplifiers, and
a plurality of gray scale reference signals generated by the amplifiers included in the plurality of drivers have different gray scale reference voltages from each other, and each of the plurality of gray scale reference signals is input to each of the plurality of drivers.
10. A display device, comprising:
a display panel including two substrates, one of which has a common electrode provided thereon; and
at least one driver for outputting a common electrode driving signal for driving the common electrode,
wherein each of the at least one driver includes at least one amplifier for generating the common electrode driving signal based on an input signal.
11. A display device according to claim 10, wherein:
each of the at least one driver includes a first surface facing the display panel, and the first surface includes a first side in contact with the display panel and a second side facing the first side, and
each of the at least one driver includes an input section, provided closer to the second side than the first side, through which the input signal is input, and at least one output section provided in at least one of a position closer to the second side than the first side and a position closer to the first side than the second side.
12. A display device according to claim 10, wherein:
the at least one driver are a plurality of drivers, and
each of the plurality of drivers includes one amplifier.
13. A driver for driving a display panel including a bus line section, the driver comprising an amplifier for generating a non-driving signal based on an input signal, the non-driving signal not contributing to driving of the bus line section.
14. A driver according to claim 13, further comprising:
a first surface facing the display panel, the first surface including a first side in contact with the display panel and a second side facing the first side; and
an input section, provided closer to the second side than the first side, through which the input signal is input, and an output section, provided closer to the second side than the first side, through which the non-driving signal is output.
15. A driver according to claim 13, further comprising:
a first surface facing the display panel, the first surface including a first side in contact with the display panel and a second side facing the first side; and
an input section, provided closer to the second side than the first side, through which the input signal is input, and at least one output section, provided in at least one of a position closer to the second side than the first side and a position closer to the first side than the second side, through which the non-driving signal is output.
16. A driver according to claim 13, wherein the amplifier amplifies the input signal at a gain greater than 1 so as to generate the non-driving signal.
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 multi-band antenna comprising:
a dielectric substrate;
a ground plane formed on a first area of the dielectric substrate;
a radiation part arranged in a second area of the dielectric substrate where the ground surface is not formed,
a feed section formed of a metallic trace and having one end connected to the radiation part and an opposite end disposed near an edge of the ground plane for forming a feed point; and
the radiation part having a pair of monopole antenna elements formed of conductive metallic traces; a first monopole antenna element for radiating at a first resonant frequency, and a second monopole antenna element for radiating at a second resonant frequency and the conductive metallic traces being folded to form a three dimensional structure, with at least a portion of said first monopole spaced from a plane of the substrate and said second monopole.
2. The antenna as defined in claim 1, including a patch element coupled to said second monopole and arranged in a spaced relationship to the first monopole, a width of said patch element for determining the resonant frequency of the second monopole antenna element, independently of the resonant frequency of the first monopole.
3. The antenna as defined in claim 1, including a dielectric shell defining a generally rectangular shape having opposing top and bottom faces, opposing first and second end faces and opposing first and second side faces, the bottom face of said dielectric shell positioned in said second area of said substrate and said three dimensional structure of said metallic trace being formed around said dielectric shell.
4. The antenna as defined in claim 3, a patch element formed on the top surface of said shell, and coupled to said second monopole a width of said patch element for setting the resonant frequency of the second monopole antenna element.
5. The antenna as defined in claim 3, a patch element formed on the bottom surface of said shell, and coupled to said second monopole a width of said patch element for setting the resonant frequency of the second monopole antenna element.
6. A mobile wireless communication device comprising:
a housing
a dielectric substrate carried within said housing;
wireless communication circuitry carried by said substrate within said housing; and
a multi-band antenna coupled to said wireless communication circuitry and comprising
a ground plane formed on a first area of the dielectric substrate;
a radiation part arranged in a second area of the dielectric substrate where the ground surface is not formed,
a feed section formed of a metallic trace and having one end connected to the radiation part and an opposite end disposed near an edge of the ground plane for forming a feed point; and
the radiation part having a pair of monopole antenna elements formed of conductive metallic traces; a first of the monopole antenna elements for radiating at a first resonant frequency, and a second of the monopole antenna elements for radiating at a second resonant frequency and the conductive metallic traces being folded to form a three dimensional structure, with at least a portion of said first monopole spaced from a plane of the substrate and said second monopole.
7. The mobile wireless communication device of claim 6, including a patch element coupled to said second monopole and arranged to form part of said three-dimensional structure, a width of said patch element for setting the resonant frequency of the second monopole antenna element.
8. The mobile wireless communication device of claim 6, including a dielectric shell defining a generally rectangular shape having opposing top and bottom faces, opposing first and second end faces and opposing first and second side faces, the bottom face of said dielectric shell positioned on said second area of said substrate and said three dimensional structure of said metallic trace being formed around said dielectric shell.
9. The mobile wireless communication device of claim 6, said wireless communication circuitry comprises a cellular transceiver.
10. A mobile wireless communication device comprising:
a housing
a dielectric substrate carried within said housing;
wireless communication circuitry carried by said substrate;
a ground plane formed on a first area of the dielectric substrate;
a plurality multi-band antennas arranged in a second area of the dielectric substrate where the ground surface is not formed and coupled to said wireless communication circuitry, each of said multi-band antennas having a pair of monopole radiating elements; and
patch elements associated with respective ones of said multi-band antennas, a width of the patch element for determining a resonant frequency of its associated antenna.
11. The mobile wireless communication device of claim 10, including a stub section coupled to said ground plane and extending into said second area for determining an operating frequency of said multi-band antenna arrangement.
12. The mobile wireless communication device of claim 10, each of said multi-band antennas comprising:
a feed section formed of a metallic trace and having one end connected to a radiation part and an opposite end disposed near an edge of the ground plane for forming a feed point; and
the radiation part having a pair of monopole antenna elements formed of conductive metallic traces; a first monopole antenna element for radiating at a first resonant frequency, and second monopole antenna element for radiating at a second resonant frequency and the conductive metallic traces being folded to form a three dimensional structure, with at least a portion of said first monopole spaced from a plane of the substrate and said second monopole.
13. A method for implementing a multi-band antenna for use in a mobile device, the method comprising:
forming a ground plane in a first area of a dielectric substrate, the dielectric substrate for positioning within a housing of the mobile device;
arranging a plurality of multi-band antennas in a second area of the dielectric substrate where the ground surface is not formed, the antennas for coupling to wireless communication circuitry, each of the multi-band antennas having a pair of monopole radiating elements including a patch element associated with respective ones of the multi-band antennas; and
determining resonant frequency of respective antennas by adjusting a width of the patch element associated with that antenna.
14. The method of claim 13, including selecting a size of a stub section for extending the ground plane into the second area, the stub size for determining an operating frequency and isolation of the multi-band antennas.