1. An organic light emitting display device comprising:
a substrate;
an organic light emitting unit on the substrate;
a sealing substrate sealing the organic light emitting unit; and
a touch panel on the sealing substrate, and configured for polarizing light,
wherein the touch panel comprises a first film on the sealing substrate and a second film spaced from the first film and on the first resistive layer.
2. The organic light emitting display device of claim 1, wherein the first film comprises a first transparent conductive layer, and the second film comprises a polarizing plate spaced from the first film and a second transparent conductive layer on a side of the polarizing plate facing the first film.
3. The organic light emitting display device of claim 2, wherein the first transparent conductive layer and the second transparent conductive layer each comprise indium tin oxide (ITO).
4. The organic light emitting display device of claim 2, wherein the polarizing plate comprises a retardation film, an adhesive layer, and a linear polarizer, which are sequentially stacked on the second transparent conductive layer.
5. The organic light emitting display device of claim 2, wherein the first transparent conductive layer and the sealing substrate form a lower resistive layer of the touch panel, and the second film forms an upper resistive layer of the touch panel.
6. The organic light emitting display device of claim 1, wherein the first film comprises a transparent insulating layer and a third transparent conductive layer, which are stacked on the sealing substrate, and the second film comprises a polarizing plate, spaced from the third transparent conductive layer, and a fourth transparent conductive layer on a side of the polarizing plate facing the first film.
7. The organic light emitting display device of claim 6, wherein the third transparent conductive layer and the fourth transparent conductive layer each comprise indium tin oxide (ITO).
8. The organic light emitting display device of claim 6, wherein the polarizing plate comprises a retardation film, an adhesive layer, and a linear polarizer, which are stacked on the fourth transparent conductive layer.
9. The organic light emitting display device of claim 6, wherein the third transparent conductive layer and the transparent insulating layer form a lower resistive layer of the touch panel, and the fourth transparent conductive layer and the polarizing plate form an upper resistive layer of the touch panel.
10. The organic light emitting display device of claim 1, wherein the first film comprises a first polarizer and a fifth transparent conductive layer which are sequentially stacked on the sealing substrate, and the second film comprises a second polarizer, spaced from the fifth transparent conductive layer, and a sixth transparent conductive layer on a side of the second polarizer facing the first film.
11. The organic light emitting display device of claim 10, wherein the fifth transparent conductive layer and the sixth transparent conductive layer each comprise indium tin oxide (ITO).
12. The organic light emitting display device of claim 10, wherein the first polarizer comprises a retardation film, and the second polarizer comprises of a linear polarizer.
13. The organic light emitting display device of claim 10, wherein the fifth transparent conductive layer and the first polarizer form a lower resistive layer of the touch panel, and the sixth transparent conductive layer and the second polarizer form an upper resistive layer of the touch panel.
14. The organic light emitting display device of claim 1, further comprising a plurality of spacers maintaining an interval between the first film and the second film.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-14. (canceled)
15. A charge and discharge circuit of a secondary battery, the charge and discharge circuit capable of charging the secondary battery by a power source voltage and of supplying power from the secondary battery to an external device, the charge and discharge circuit comprising:
a bidirectional regulator capable of adjusting a current or a voltage in both of a charge direction of feeding the current to a secondary battery side and a discharge direction of feeing the current from the secondary battery to an external device side;
a charge and discharge detecting circuit for detecting a direction of the current flowing in the secondary battery; and
a switching control circuit for switching an operation direction of the bidirectional regulator into the charge direction or the discharge direction based on a detection result of the charge and discharge detecting circuit, wherein
the charge and discharge detecting circuit includes:
one or a plurality of field-effect transistors serially connected on a current pathway on which a charge current and a discharge current of the secondary battery flow;
a section for applying bias voltages to gate terminals so that both end voltages of the field-effect transistors become predetermined voltages; and
a comparison circuit for mutually comparing both the end voltages of the field-effect transistors.
16. A charge and discharge circuit of a secondary battery, the charge and discharge circuit capable of charging the secondary battery by a power source voltage and of supplying power from the secondary battery to an external device, the charge and discharge circuit comprising:
a bidirectional regulator capable of adjusting a current or a voltage in both of a charge direction of feeding the current to a secondary battery side and a discharge direction of feeing the current from the secondary battery to an external device side;
a charge and discharge detecting circuit for detecting a direction of the current flowing in the secondary battery; and
a switching control circuit for switching an operation direction of the bidirectional regulator into the charge direction or the discharge direction based on a detection result of the charge and discharge detecting circuit, wherein
the bidirectional regulator includes a plurality of field-effect transistors serially connected on a current pathway of a charge current and a discharge current of the secondary battery to perform output adjustment; and
the charge and discharge detecting circuit mutually compares both end voltages of the plurality of field-effect transistors of the bidirectional regulator to detect a direction of a current.
17. A charge and discharge circuit of a secondary battery, the charge and discharge circuit capable of charging the secondary battery by a power source voltage and of supplying power from the secondary battery to an external device, the charge and discharge circuit comprising:
a bidirectional regulator capable of adjusting a current or a voltage in both of a charge direction of feeding the current to a secondary battery side and a discharge direction of feeing the current from the secondary battery to an external device side;
a charge and discharge detecting circuit for detecting a direction of the current flowing in the secondary battery;
a switching control circuit for switching an operation direction of the bidirectional regulator into the charge direction or the discharge direction based on a detection result of the charge and discharge detecting circuit; and
a power source voltage detection circuit for detecting the power source voltage to enable the charge of the secondary battery by inputting the power source voltage only when the power source voltage is lower than a full charge voltage of the secondary battery.
18. The charge and discharge circuit of a secondary battery according to claim 17, further comprising:
a first switch element capable of intercepting input of the power source voltage; and
a section for intercepting the input of the power source voltage by turning off the first switch element when the power source voltage is higher than the full charge voltage of the secondary battery.
19. The charge and discharge circuit of a secondary battery according to claim 17,
wherein the bidirectional regulator is configured to be able to perform a voltage raising operation, and
the bidirectional regulator starts the voltage raising operation to supply the charge current to the secondary battery when a charge voltage becomes in a neighborhood of the power source voltage at the time of charging the secondary battery.
20. The charge and discharge circuit of a secondary battery according to claim 15,
wherein the bidirectional regulator is configured to be able to perform a voltage lowering operation by switching control for adjusting an output by making the transistors perform switching operations, and by linear control for adjusting the output by continuously changing on-resistances of the transistors, and
the charge and discharge circuit is provided with a control section for switching a control system at the time of the voltage lowering operation of the bidirectional regulator to the switching control or the linear control based on the power source voltage andor a battery voltage.
21. A charge and discharge circuit of a secondary battery, the charge and discharge circuit capable of charging the secondary battery by a power source voltage and of supplying power from the secondary battery to an external device, the charge and discharge circuit comprising:
a bidirectional regulator capable of adjusting a current or a voltage in both of a charge direction of feeding the current to a secondary battery side and a discharge direction of feeing the current from the secondary battery to an external device side;
a charge and discharge detecting circuit for detecting a direction of the current flowing in the secondary battery; and
a switching control circuit for switching an operation direction of the bidirectional regulator into the charge direction or the discharge direction based on a detection result of the charge and discharge detecting circuit, wherein
when the battery voltage becomes in a neighborhood of a lowest operation voltage of the external device during discharge from the secondary battery to the external device, the bidirectional regulator starts the voltage raising operation to perform power supply to the external device.
22. The charge and discharge circuit of a secondary battery according to claim 21, wherein
both of a threshold value of the battery voltage at which the voltage raising operation at the time of the discharge of the bidirectional regulator is started and a threshold value of the battery voltage at which the voltage raising operation is stopped severally have a hysteresis.
23. The charge and discharge circuit of a secondary battery according to claim 15, further comprising:
an abnormality detection circuit for detecting overcharge andor overdischarge of the secondary battery; and
a control circuit for intercepting an input andor the output of the bidirectional regulator based on the detection of the abnormality detection circuit.
24. A charge and discharge circuit of a secondary battery, the charge and discharge circuit capable of charging the secondary battery by a power source voltage and of supplying power from the secondary battery to an external device, the charge and discharge circuit comprising:
a bidirectional regulator capable of adjusting a current or a voltage in both of a charge direction of feeding the current to a secondary battery side and a discharge direction of feeing the current from the secondary battery to an external device side;
a charge and discharge detecting circuit for detecting a direction of the current flowing in the secondary battery;
a switching control circuit for switching an operation direction of the bidirectional regulator into the charge direction or the discharge direction based on a detection result of the charge and discharge detecting circuit;
a second switch element capable of intercepting the output to the external device;
an output voltage detection circuit for detecting an output voltage; and
a control circuit for turning off the second switch element when the output voltage exceeds a reference value.
25. The charge and discharge circuit of a secondary battery according to claim 15, further comprising:
a fuse provided on the current pathway for connecting the power source voltage and the secondary battery;
a voltage and current detection circuit for detecting the power source voltage and an input current; and
a third switch element serially connected to the fuse, wherein
when the power source voltage or the input current exceeds a limiting value, the third switch element is turned on to cut the fuse.
26. The charge and discharge circuit of a secondary battery according to claim 16, further comprising:
a fuse provided on the current pathway for connecting the power source voltage and the secondary battery;
a voltage and current detection circuit for detecting the power source voltage and an input current; and
a third switch element serially connected to the fuse, wherein
when the power source voltage or the input current exceeds a limiting value, the third switch element is turned on to cut the fuse.
27. The charge and discharge circuit of a secondary battery according to claim 17, further comprising:
a fuse provided on the current pathway for connecting the power source voltage and the secondary battery;
a voltage and current detection circuit for detecting the power source voltage and an input current; and
a third switch element serially connected to the fuse, wherein
when the power source voltage or the input current exceeds a limiting value, the third switch element is turned on to cut the fuse.
28. The charge and discharge circuit of a secondary battery according to claim 21, further comprising:
a fuse provided on the current pathway for connecting the power source voltage and the secondary battery;
a voltage and current detection circuit for detecting the power source voltage and an input current; and
a third switch element serially connected to the fuse, wherein
when the power source voltage or the input current exceeds a limiting value, the third switch element is turned on to cut the fuse.
29. The charge and discharge circuit of a secondary battery according to claim 24, further comprising:
a fuse provided on the current pathway for connecting the power source voltage and the secondary battery;
a voltage and current detection circuit for detecting the power source voltage and an input current; and
a third switch element serially connected to the fuse, wherein
when the power source voltage or the input current exceeds a limiting value, the third switch element is turned on to cut the fuse.
30. The charge and discharge circuit of a secondary battery according to claim 25, wherein the third switch element is configured by applying the transistors for the output adjustment of the bidirectional regulator circuit thereto.
31. The charge and discharge circuit of a secondary battery according to claim 26, wherein the third switch element is configured by applying the transistors for the output adjustment of the bidirectional regulator circuit thereto.
32. The charge and discharge circuit of a secondary battery according to claim 27, wherein the third switch element is configured by applying the transistors for the output adjustment of the bidirectional regulator circuit thereto.
33. The charge and discharge circuit of a secondary battery according to claim 28, wherein the third switch element is configured by applying the transistors for the output adjustment of the bidirectional regulator circuit thereto.
34. The charge and discharge circuit of a secondary battery according to claim 29, wherein the third switch element is configured by applying the transistors for the output adjustment of the bidirectional regulator circuit thereto.
35. A battery pack comprising:
a secondary battery; and
a charge and discharge circuit of the secondary battery according to claim 15,
wherein the secondary battery and the charge and discharge circuit are integrated by being set up in a package.
36. A battery pack comprising:
a secondary battery; and
a charge and discharge circuit of the secondary battery according to claim 16,
wherein the secondary battery and the charge and discharge circuit are integrated by being set up in a package.
37. A battery pack comprising:
a secondary battery; and
a charge and discharge circuit of the secondary battery according to claim 17,
wherein the secondary battery and the charge and discharge circuit are integrated by being set up in a package.
38. A battery pack comprising:
a secondary battery; and
a charge and discharge circuit of the secondary battery according to claim 21,
wherein the secondary battery and the charge and discharge circuit are integrated by being set up in a package.
39. A battery pack comprising:
a secondary battery; and
a charge and discharge circuit of the secondary battery according to claim 24,
wherein the secondary battery and the charge and discharge circuit are integrated by being set up in a package.