Electronic apparatus

1. An electronic apparatus, comprising:

a display unit;

a driving circuit configured to drive the display unit; and

a base chassis made of a transparent material and including a first region that extends outward from at least one end on a circumference of the display unit, the first region provided with an operation button used for operating the driving circuit, wherein

the operation button is composed of a transparent electrode disposed in the base chassis,

the base chassis includes a second region that overlaps the display unit plane-wise,

the operation button is provided in a plurality of numbers along an outer circumference of the first region of the base chassis, the plurality of operation buttons drawn to the second region by transparent first wirings, and

the first wirings are respectively connected to corresponding second wirings arranged in the second region.

2. An electronic apparatus, comprising:

a display unit;

a driving circuit configured to drive the display unit; and

a base chassis made of a transparent material and including a first region that extends outward from at least one end on a circumference of the display unit, the first region provided with an operation button used for operating the driving circuit, wherein

the operation button is composed of a transparent electrode disposed in the base chassis,

the base chassis includes a second region that overlaps the display unit plane-wise,

the operation button is provided in a plurality of numbers along an outer circumference of the first region of the base chassis, the plurality of operation buttons drawn to the second region by transparent first wirings having equal lengths,

the first wirings are respectively connected to corresponding second wirings arranged in the second region, each of the second wirings having higher conductivity than the first wirings, and

the second wirings are aggregated at least one point in the second region.

3. The electronic apparatus according to claim 2 , wherein

each of the first wirings is made of indium tin oxide, and

each of the second wirings is made of one of silver and copper.

4. An electronic apparatus, comprising:

a display unit;

a driving circuit configured to drive the display unit;

a base chassis made of a transparent material and including a first region that extends outward from at least one end on a circumference of the display unit, the first region provided with an operation button used for operating the driving circuit, wherein

the operation button is composed of a transparent electrode disposed in the base chassis,

a region outside the transparent electrode is surrounded by a transparent ground electrode, and

the base chassis partially functions as a touchpad due to the transparent electrode and the ground electrode; and

a retaining member made of an opaque material, which is provided to cover at least the one end on the outer circumference of the base chassis, wherein

the base chassis includes a concave section,

the transparent electrode and the ground electrode are arranged inside the concave section, and

the ground electrode and the retaining member have portions that overlap each other plane-wise.

5. The electronic apparatus according to claim 4 , further comprising:

a substrate mounted with a detecting circuit configured to detect a change in capacitance of the touchpad, the substrate disposed between the display unit and the base chassis.

6. An electronic apparatus, comprising:

a display unit;

a driving circuit configured to drive the display unit;

a base chassis made of a transparent material and including a first region that extends outward from at least one end on a circumference of the display unit, the first region provided with an operation button used for operating the driving circuit, wherein

the base chassis includes guide grooves provided along the outer circumference thereof;

first to fourth retaining members each made of an opaque material and guided through the guide grooves respectively provided along an upper outer circumference of the base chassis, a left-hand side outer circumference thereof, a right-hand side outer circumference thereof, and a lower outer circumference thereof; and

coupling members configured to respectively couple the first retaining member guided along the upper outer circumference with the second retaining member guided along the left-hand side outer circumference and the third retaining member guided along the right-hand side outer circumference in the vicinity of an upper left-hand corner and upper right-hand corner of the base chassis, respectively.

7. The electronic apparatus according to claim 6 , wherein the fourth retaining member is screwed to the base chassis at a lower end section of the base chassis such that the second retaining member and the third retaining member are pushed upward.

8. The electronic apparatus according to claim 6 , wherein coupling spaces from which the guide grooves have been removed are provided in the vicinity of the upper left-hand corner and upper right-hand corner of the base chassis, respectively.

9. The electronic apparatus according to claim 6 , wherein

the coupling members each have an inverse-L shape, and

the coupling members are engaged at ends thereof with respective ends of the first retaining member, and the other end of each of the coupling members is engaged with one end of one of the second retaining member and the third retaining member.

10. The electronic apparatus according to claim 9 , wherein each of the coupling members having the inverse-L shape is structured to have an elastic force in a vertical direction at the one end thereof, the one end having on an upper surface thereof a first convex section configured to engage with a first concave section formed on the guide grooves, and is structured to have an elastic force in at least a lateral direction at the other end thereof, the other end having on one of a left-hand side surface and a right-hand side surface thereof a second convex section configured to engage with a second concave section formed on the guide grooves.

11. The electronic apparatus according to claim 10 , wherein the guide grooves each have at predetermined positions thereof third convex sections for resonance prevention.