Display apparatus using electroluminescence elements

Claim 2

A display apparatus of a simple matrix system, comprising: a matrix of pixels, each pixel including: an electroluminescence element having a first electrode, a second electrode and a luminous element layer provided between said first electrode and said second electrode, an insulator film provided over one of said first electrode and said second electrode, and a third electrode provided in or over said insulator film so as to face one of said first electrode and said second electrode, said one of said first and second electrodes, said third electrode and said insulator film forming an added capacitor, wherein said added capacitor is connected in parallel to said electroluminescence element, and wherein each pixel includes an added resistor for restricting a current flowing in said electroluminescence element from said added capacitor.

Claim 3

The display apparatus according to claim 1, wherein said luminous element layer comprises an organic compound.

Claim 4

The display apparatus according to claim 1, wherein said luminous element layer includes a luminous layer and at least one of a hole transporting layer and an electron transporting layer, which is located over the luminous layer.

Claim 5

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors comprises a variable resistor which has a high resistance when said each added capacitor is discharged.

Claim 6

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors comprises a variable resistor which has a high resistance when said each added capacitor is discharged.

Claim 7

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 8

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 9

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor.

Claim 10

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor.

Claim 11

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor, and wherein each of said added resistors has a generally constant resistance.

Claim 12

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor, and wherein each of said added resistors has a generally constant resistance.

Claim 13

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor, and wherein each of said added resistors comprises a variable resistor which has a high resistance when said each added capacitor is discharged.

Claim 14

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor, and wherein each of said added resistors comprises a variable resistor which has a high resistance when said each added capacitor is discharged.

Claim 15

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor, and wherein each of said added resistors includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 16

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said electroluminescence elements and each of said added capacitor is connected in parallel to the series circuit of said each electroluminescence element and said each added resistor, and wherein each of said added resistors includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 17

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor.

Claim 18

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor.

Claim 19

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor, and wherein each of said added resistors has a generally constant resistance.

Claim 20

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor, and wherein each of said added resistors has a generally constant resistance.

Claim 21

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing, in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor, and wherein each of said added resistors comprises a variable resistor which has a high resistance when said each added capacitor is discharged.

Claim 22

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing, in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor, and wherein each of said added resistors comprises a variable resistor which has a high resistance when said each added capacitor is discharged.

Claim 23

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor, and wherein each of said added resistors includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 24

An improved display apparatus comprising: electroluminescence elements; added capacitors connected in parallel to each of said electroluminescence elements, respectively, and added resistors for restricting currents flowing in said electroluminescence elements from said added capacitors, respectively, wherein each of said added resistors is connected in series with each of said added capacitors, and each of said electroluminescence elements is connected in parallel to the series circuit of said each added capacitor and said each added resistor, and wherein each of said added resistors includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 25

A display apparatus of an active matrix system, the apparatus comprising: a matrix of pixels; and driving elements, for driving the matrix of pixels, respectively, wherein the each pixel includes: an electroluminescence element having a first electrode, a second electrode and a luminous element layer provided between said first electrode and said second electrode, an insulator film provided over one of said first electrode and said second electrode, and a third electrode provided in or over said insulator film so as to face one of said first electrode and said second electrode, one of said first and second electrodes, said third electrode and said insulator film forming an added capacitor, wherein said added capacitor is connected in parallel to said electroluminescence element, and wherein each pixel includes an added resistor for restricting a current flowing in said electroluminescence element from said added capacitor.

Claim 26

A display apparatus of an active matrix system, the apparatus comprising: a matrix of pixels; and driving elements, for driving the matrix of pixels, respectively, wherein the each pixel includes: an electroluminescence element having a first electrode, a second electrode and a luminous element layer provided between said first electrode and said second electrode, an insulator film provided over one of said first electrode and said second electrode, and a third electrode provided in or over said insulator film so as to face one of said first electrode and said second electrode, one of said first and second electrodes, said third electrode and said insulator film forming an added capacitor, wherein said added capacitor is connected in parallel to said electroluminescence element, and wherein each pixel includes an added resistor for restricting a current flowing in said electroluminescence element from said added capacitor.

Claim 27

The display apparatus according to claim 14, wherein said driving element comprises a thin film transistor.

Claim 28

The display apparatus according to claim 14, wherein said luminous element layer comprises an organic compound.

Claim 29

The display apparatus according to claim 14, wherein said luminous element layer includes a luminous layer and at least one of a hole transporting layer and an electron transporting layer, which is located over the luminous layer.

Claim 30

The display apparatus according to claim 14, wherein said added resistor has a generally constant resistance.

Claim 31

The display apparatus according to claim 14, wherein said added resistor comprises a variable resistor which has a high resistance when said added capacitor is discharged.

Claim 32

The display apparatus according to claim 14, wherein said added resistor includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 33

The display apparatus according to claim 14, wherein said added resistor is connected in series to said electroluminescence element and said added capacitor is connected in parallel to the series circuit of said electroluminescence element and said added resistor.

Claim 34

The display apparatus according to claim 21, wherein said added resistor has a generally constant resistance.

Claim 35

The display apparatus according to claim 21, wherein said added resistor comprises a variable resistor which has a high resistance when said added capacitor is discharged.

Claim 36

The display apparatus according to claim 21, wherein said added resistor includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 37

The display apparatus according to claim 14, wherein said added resistor is connected in series to said added capacitor, and said electroluminescence element is connected in parallel to the series circuit of said added capacitor and said added resistor.

Claim 38

The display apparatus according to claim 25, wherein said added resistor has a generally constant resistance.

Claim 39

The display apparatus according to claim 25, wherein said added resistor comprises a variable resistor which has a high resistance when said added capacitor is discharged.

Claim 40

The display apparatus according to claim 25, wherein said added resistor includes a P type impurity layer and an N type impurity layer connected to said P type impurity layer.

Claim 41

A pixel for use in a matrix of pixels of a display apparatus, the pixel comprising: an electroluminescence (EL) element having a first electrode, a second electrode and a luminous element layer disposed between the first and second electrodes; an insulator disposed over the first electrode; a third electrode provided in or over the insulator so as to face the first electrode, wherein the first electrodes, said third electrode and said insulator film form an added capacitor, and an added resistor disposed over the second electrode for restricting a current flowing in said electroluminescence element from said added capacitor.

Claim 42

A pixel for use in a matrix of pixels of a display apparatus, the pixel comprising: an electroluminescence (EL) element having a first electrode, a second electrode and a luminous element layer disposed between the first and second electrodes; an insulator disposed over the first electrode; a third electrode provided in or over the insulator so as to face the first electrode, wherein the first electrodes, said third electrode and said insulator film form an added capacitor, and an added resistor disposed over the second electrode for restricting a current flowing in said electroluminescence element from said added capacitor.

Claim 43

A pixel of an organic EL display apparatus, the pixel comprising: an organic EL element; an added capacitor connected in parallel to the EL element, and an added resistor connected in series with the EL element, such that the EL element and the added resistor are connected in parallel with the added capacitor.

Claim 44

A pixel of an organic EL display apparatus, the pixel comprising: an organic EL element; an added capacitor connected in parallel to the EL element, and an added resistor connected in series with the EL element, such that the EL element and the added resistor are connected in parallel with the added capacitor.

Claim 45

The pixel of claim 30, wherein the organic EL element comprises: an anode; a hole transporting layer disposed on a surface of an anode; a luminous layer disposed on a surface the hole transporting layer; an electron transporting layer disposed on a surface of the luminous layer; and a cathode disposed on the electron transporting layer.