Fluorescent display device

Claim 2

A flourescent display device having: an integrated semiconductor substrate formed thereon with a light emitting display section for emitting light from phosphor formed on a screen electrode and a drive section for controlling said light emitting display section; a cathode opposing said light emitting display section; and a vacuum chamber which has at least one light-transmitting surface for forming a display surface and hermetically sealing said semi-conductor substrate and said cathode; said light-emitting display section comprising a plurality of light-emitting elements arranged in a matrix form, each of said light emitting elements comprising a static random access memory including a flip-flop which has output terminals Q and Q, a drive transistor which has a first terminal coupled to one of said output terminals Q and Q, a second terminal coupled to said screen electrode, and a third terminal coupled to a power source.

Claim 3

A device according to claim 1, wherein said integrated semiconductor substrate comprises a complementary metal oxide semiconductor substrate.

Claim 4

A device according to claim 2, wherein said drive transistor comprises a p-channel metal oxide semiconductor transistor.

Claim 5

A device according to claim 2, wherein said drive transistor comprises an n-channel metal oxide semiconductor transistor.

Claim 6

A fluorescent display device having: an integrated semi-conductor substrate formed thereon with a light emitting display section for emitting light from a phosphor formed on a screen electrode and a drive section for controlling said light emitting display section; a cathode opposing said light emitting display section; and a vacuum chamber which has at least one light-transmitting surface for forming a display surface and hermetically sealing said semi-conductor substrate and said cathode; said light-emitting display section comprising a plurality of light-emitting elements arranged in a matrix form, two bit lines representative of opposite binary values being commonly connected to each of said light-emitting elements, word selection lines being commonly connected to said light-emitting elements in units of rows of the matrix, and data read lines being commonly connected to a column selector in units of columns of the matrix; each of said light-emitting elements comprising a static random access memory including a flip-flop which has output terminals Q and Q, a drive transistor which has a first terminal coupled to one of the Q and Q output terminals of said flip-flop, a second terminal coupled to said screen electrode, and a third terminal coupled to a power source, the conduction between the second and third terminals being controlled by a signal applied to said first terminal; and a read transistor having a first terminal connected with a corresponding one of said word selecton lines, a second terminal connected with said corresponding screen electrode, and a third terminal connected with a corresponding one of said data read lines, wherein conduction between said second and third terminals is controlled by a signal applied to said first terminal such that said light-emitting is able to display information supplied from said memory when said corresponding one of said word selection lines is being accessed.

Claim 7

A fluorescent display device having: an integrated semi-conductor substrate formed thereon with a light emitting display section for emitting light from a phosphor formed on a screen electrode and a drive section for controlling said light emitting display section; a cathode opposing said light emitting display section; and a vacuum chamber which has at least one light-transmitting surface for forming a display surface and hermetically sealing said semi-conductor substrate and said cathode; said light-emitting display section comprising a plurality of light-emitting elements arranged in a matrix form, two bit lines representative of opposite binary values being commonly connected to each of said light-emitting elements, word selection lines being commonly connected to said light-emitting elements in units of rows of the matrix, and data read lines being commonly connected to a column selector in units of columns of the matrix; each of said light-emitting elements comprising a static random access memory including a flip-flop which has output terminals Q and Q, a drive transistor which has a first terminal coupled to one of the Q and Q output terminals of said flip-flop, a second terminal coupled to said screen electrode, and a third terminal coupled to a power source, the conduction between the second and third terminals being controlled by a signal applied to said first terminal; and a read transistor having a first terminal connected with a corresponding one of said word selecton lines, a second terminal connected with said corresponding screen electrode, and a third terminal connected with a corresponding one of said data read lines, wherein conduction between said second and third terminals is controlled by a signal applied to said first terminal such that said light-emitting is able to display information supplied from said memory when said corresponding one of said word selection lines is being accessed.

Claim 8

A device according to claim 5, wherein said integrated semiconductor substrate comprises a complementary metal oxide semiconductor substrate.

Claim 9

A device according to claim 6, wherein said drive transistor comprises a p-channel metal oxide semiconductor substrate and said read transistor comprises an n-channel metal oxide semiconductor transistor.

Claim 10

A device according to claim 6, wherein said drive and read transistors comprise p-channel metal oxide semiconductor transistors, respectively.

Claim 11

A device according to claim 6, wherein said drive and read transistors comprise n-channel metal oxide semiconductor transistors, respectively.

Claim 12

A device according to claim 1 or 6, wherein said integrated semiconductor substrate comprises a substrate having bipolar semiconductor elements.