Electroluminescence device, electroluminescence apparatus, and production methods thereof

Claim 2

An electroluminescence device having a transistor substrate comprising first thin film transistors arranged along a plurality of rows and columns, gate lines provided for the respective rows, each gate line being a common line for connecting gates of first thin film transistors on one of the rows, source lines provided for the respective columns, each source line being a common line for connecting sources of first thin film transistors on one of the columns, second thin film transistors each connected to a drain of the respective first thin film transistors, and capacitors connected to the respective second thin film transistors, wherein a gate of each second thin film transistor is connected to the drain of the first thin film transistor, a drain electrode pad is connected to a drain of each second thin film transistor, and a source of each second thin film transistor is connected to one electrode of the capacitor; and an electroluminescence substrate comprising pairs of electrodes and electroluminescence members interposed between the pairs of electrodes, which are arranged along a plurality of rows and columns, wherein said thin film transistor substrate and electroluminescence substrate are placed opposite to each other so that the drain electrode pads and the electroluminescence members are opposed to each other, and wherein each drain electrode pad is connected through an adhesive electric connection member to one of a pair of electrodes of said electroluminescence member.

Claim 3

The electroluminescence device according to either of claims 1 or 2, wherein said electroluminescence members comprise media that emit the three primary colors of blue, green and red.

Claim 4

The electroluminescence device according to either of claims 1 or 2, wherein said electroluminescence members comprise media of organic substance that emit the three primary colors of blue, green and red.

Claim 5

The electroluminescence device according to either of claims 1 or 2, wherein said adhesive electric connection member is a material in which electrically conductive particles are dispersed in an adhesive.

Claim 6

The electroluminescence device according to either of claims 1 or 2, wherein said adhesive electric connection member is a material in which electrically conductive particles are dispersed in an adhesive and which contains a silane coupling agent.

Claim 7

The electroluminescence device according to either of claims 1 or 2, wherein an electric insulator is disposed around the periphery of said adhesive electric connection member.

Claim 8

The electroluminescence device according to either of claims 1 or 2, wherein an adhesive electric insulator is disposed around the periphery of said adhesive electric connection member.

Claim 9

The electroluminescence device according to claim 1, wherein an electric insulator containing a coloring agent is disposed around the periphery of said adhesive electric connection member.

Claim 10

The electroluminescence device according to claim 1, wherein an electric insulator of a liquid form is disposed around the periphery of said adhesive electric connection member.

Claim 11

The electroluminescence device according to either of claims 1 or 2, wherein said thin film transistors have a polysilicon semiconductor layer.

Claim 12

The electroluminescence device according to either of claims 1 or 2, wherein said thin film transistors have an amorphous silicon semiconductor or a microcrystalline silicon semiconductor.

Claim 13

The electroluminescence device according to either of claims 1 or 2, wherein said thin film transistors have a crystal silicon semiconductor.

Claim 14

The electroluminescence device according to claim 1, wherein at least one electrode out of the pair of electrodes on either side of each said electroluminescence member is a transparent electrode having a texture structure.

Claim 15

The electroluminescence device according to claim 1, wherein at least one electrode out of the pair of electrodes on either side of each said electroluminescence member is a transparent electrode of Zn0 having the texture structure.

Claim 16

A production method of electroluminescence device comprising steps of: preparing a transistor substrate comprising thin film transistors arranged along a plurality of rows and columns, gate lines provided for the respective rows, each gate line being a common line for connecting gates of thin film transistors on one of the rows, source lines provided for the respective columns, each source line being a common line for connecting sources of thin film transistors on one of the columns, drain electrode pads each connected to a drain of the respective thin film transistors, and capacitors connected to the respective drain electrode pads; preparing an electroluminescence substrate comprising pairs of electrodes and electroluminescence members interposed between the pairs of electrodes, which are arranged along a plurality of rows and columns; placing an adhesive electric connection member on at least one of the drain electrode pads of the transistor substrate and the electroluminescence members; and overlaying the thin film transistor substrate on the electroluminescence substrate opposite to each other so that the drain electrode pads and the electroluminescence members are opposed to each other.

Claim 17

The production method of electroluminescence device according to claim 16, wherein said electroluminescence members comprise media that emit the three primary colors of blue, green and red.

Claim 18

The production method of electroluminescence device according to Claim 16, wherein said electroluminescence members comprise media of organic substance that emit the three primary colors of blue, green and red.

Claim 19

The production method of electroluminescence device according to Claim 16, wherein said adhesive electric connection member is a material in which electrically conductive particles are dispersed in an adhesive.

Claim 20

The production method of electroluminescence device according to Claim 19, wherein said adhesive electric connection member is a material in which the electrically conductive particles are dispersed in the adhesive and which contains a silane coupling agent.

Claim 21

A production method of electroluminescence device comprising steps of: preparing a transistor substrate comprising thin film transistors arranged along a plurality of rows and columns, gate lines provided for the respective rows, each gate line being a common line for connecting gates of thin film transistors on one of the rows, source lines provided for the respective columns, each source line being a common line for connecting sources of thin film transistors on one of the columns, drain electrode pads each connected to a drain of the respective thin film transistors, and capacitors connected to the respective drain electrode pads; preparing an electroluminescence substrate comprising pairs of electrodes and electroluminescence members interposed between the pairs of electrodes, which are arranged along a plurality of rows and columns; placing an adhesive electric connection member on at least one of the drain electrode pads of the transistor substrate and the electroluminescence members; placing an adhesive electric insulator around the periphery of the adhesive electric connection member on at least one of the drain electrode pads of the transistor substrate and the electroluminescence members; and overlaying the thin film transistor substrate on the electroluminescence substrate opposite to each other so that the drain electrode pads and the electroluminescence members are opposed to each other.

Claim 22

A production method of electroluminescence device comprising steps of: preparing a transistor substrate comprising thin film transistors arranged along a plurality of rows and columns, gate lines provided for the respective rows, each gate line being a common line for connecting gates of thin film transistors on one of the rows, source lines provided for the respective columns, each source line being a common line for connecting sources of thin film transistors on one of the columns, drain electrode pads each connected to a drain of the respective thin film transistors, and capacitors connected to the respective drain electrode pads; preparing an electroluminescence substrate comprising pairs of electrodes and electroluminescence members interposed between the pairs of electrodes, which are arranged along a plurality of rows and columns; placing an adhesive electric connection member on at least one of the drain electrode pads of the transistor substrate and the electroluminescence members; placing an adhesive electric insulator around the periphery of the adhesive electric connection member on at least one of the drain electrode pads of the transistor substrate and the electroluminescence members; overlaying the thin film transistor substrate on the electroluminescence substrate opposite to each other so that the drain electrode pads and the electroluminescence members are opposed to each other; and evacuating a space between the thin film transistor substrate and the electroluminescence substrate and heating the adhesive electric connection member and adhesive electric insulator to cure said member and insulator.

Claim 23

An electroluminescence apparatus having first switching devices arranged along a plurality of rows and columns, first wires provided for the respective rows, each first wire being a common wire for connecting first terminals of first switching devices on a row, second wires provided for the respective columns, each second wire being a common wire connecting second terminals of first switching devices on a column, electroluminescence elements, each having one electrode connected to a third terminal of a first switching device, other electrode, and an electroluminescence member interposed between the one and other electrodes, capacitors connected to the respective third terminals, second switching devices, each being provided between one electrode of an electroluminescence element and a third terminal of a first switching device, third wires connected to the one electrodes of the electroluminescence elements, third switching devices disposed in the third wires, and driving means, said driving means applying a first on signal pulse for turning the first switching devices on, to a first wire of a predetermined row, applying a first off signal pulse for turning the first switching devices off, to the first wires of the other rows, applying an information signal pulse of a forward bias voltage according to information, to the second wires in synchronism with the first on signal pulse, and applying a second on signal pulse for turning the second switching devices on, to a control line for the second switching devices over a predetermined period in, before, or after application of the first on signal pulse for said predetermined row, thereby activating writing into each electroluminescence member on said row; then said driving means applying a second off signal pulse for turning the second switching devices off, to said control line after the predetermined period, applying a third on signal pulse for turning the third switching devices on, to a control line for the third switching devices in, before, or after application of the second off signal pulse, thereby actuating reverse bias applying means set so that a reverse bias voltage is placed between said third wire and the other electrodes of the electroluminescence elements.

Claim 24

An electroluminescence apparatus having first thin film transistors arranged along a plurality of rows and columns, first wires provided for the respective rows, each first wire being a common wire for connecting gates of first thin film transistors on a row, second wires provided for the respective columns, each second wire being a common wire for connecting sources of first thin film transistors on a column, electroluminescence elements, each having one electrode connected to a drain of a first thin film transistor, other electrode, and an electroluminescence member interposed between the one and other electrodes, second thin film transistors connected at gates thereof, each being provided between said drain and one electrode of the electroluminescence element, capacitors connected to the respective drains, first switching devices, each being provided between one electrode of an electroluminescence element and a drain electrode of a second thin film transistor, third wires, each being connected to one electrode of an electroluminescence element, second switching devices provided in said third wires, and driving means, said driving means applying a first on signal pulse for turning the first thin film transistors on, to a first wire of a predetermined row, applying a first off signal pulse for turning the first thin film transistors off, to the first wires of the other rows, applying an information signal pulse of a forward bias voltage according to information, to the second wires in synchronism with the first on signal pulse, and applying a second on signal pulse for turning the first switching devices on, to a control line for the first switching devices over a predetermined period in, before, or after application of the first on signal pulse for said predetermined row, thereby activating writing into each electroluminescence member on said row; then said driving means applying a second off signal pulse for turning the first switching devices off, to said control line after the predetermined period, and applying a third on signal pulse for turning the second switching devices on, to a control line for the third switching devices in, before, or after application of the second off signal pulse, thereby actuating reverse bias applying means set so that a reverse bias voltage is placed between said third wire and the other electrodes of the electroluminescence elements.

Claim 25

The electroluminescence apparatus according to either of claims 23 or 24, wherein said electroluminescence members comprise media that emit the three primary colors of blue, green and red.

Claim 26

The electroluminescence apparatus according to either of claims 23 or 24, wherein said electroluminescence members comprise media of organic substance that emit the three primary colors of blue, green and red.

Claim 27

The electroluminescence apparatus according to claim 23, wherein said first, second, and third switching devices are thin film transistors.

Claim 28

The electroluminescence apparatus according to claim 23, wherein said first, second, and third switching devices are thin film transistors, said first terminals are gate terminals, said second terminals are source terminals, and said third terminals are drain terminals.

Claim 29

The electroluminescence apparatus according to either of claims 23 or 24, wherein said predetermined period is a period equal to 1/4 to 3/4 of one vertical scanning period.

Claim 30

The electroluminescence apparatus according to either of claims 23 or 24, wherein said predetermined period is a period equal to 1/3 to 2/3 of one vertical scanning period.

Claim 31

The electroluminescence apparatus according to either of claims 23 or 24, wherein said predetermined period is a period equal to approximately 1/2 of one vertical scanning period.

Claim 32

The electroluminescence apparatus according to either of claims 23 or 24, wherein said predetermined period is a period equal to 1/4 to 3/4 of one frame period or one field period.

Claim 33

The electroluminescence apparatus according to either of claims 23 or 24, wherein said predetermined period is a period equal to 1/3 to 2/3 of one frame period or one field period.

Claim 34

The electroluminescence apparatus according to either of claims 23 or 24, wherein said predetermined period is a period equal to approximately 1/2 of one frame period or one field period.

Claim 35

The electroluminescence apparatus according to claim 24, wherein said first and second switching devices are thin film transistors.

Claim 36

The electroluminescence apparatus according to claim 24, wherein the sources of said second thin film transistors and the one electrodes of said capacitors are set to an equal voltage.

Claim 37

The electroluminescence apparatus according to claim 24, wherein the sources of said second thin film transistors and the one electrodes of said capacitors are connected by fourth wires, said apparatus comprising means for applying a voltage to said fourth wires.

Claim 38

An electroluminescence apparatus having: switching devices arranged along a plurality of columns and rows, first wires provided for the respective rows, each first wire being a common wire for connecting first terminals of switching devices on a row, second wires provided for the respective columns, each second wire being a common wire for connecting second terminals of switching devices on a column, and electroluminescence elements, each having one electrode connected to a third terminal of a switching device, other electrode, and an electroluminescence member interposed between the one and other electrodes; and driving means, said driving means applying a scanning selection pulse for selecting at least one row out of said plurality of rows, to a first wire corresponding to the selected row, applying an information signal pulse for bringing the electroluminescence members into a forward bias state according to information, to each of the second wires in synchronism with the scanning selection signal, and applying a bias voltage for bringing the electroluminescence members into a reverse bias state, through a third wire to the electroluminescence members before start of application of a next scanning selection signal or a scanning selection signal thereafter to the first wire corresponding to said selected row.

Claim 39

The electroluminescence apparatus according to any of claims 23, 24 or 38, wherein a time average voltage of said forward bias voltage and reverse bias voltage is set to selection signal or a scanning selection signal thereafter to the first wire corresponding to said selected row.

Claim 40

The electroluminescence apparatus according to claim 38, wherein a capacitor is connected to said third terminal.