Integrated input-output device having a reading and a printing section on a single substrate

• US 5,491,566 A
• Filed: 11/24/1993
• Issued: 02/13/1996
• Est. Priority Date: 11/27/1992
• Status: Expired due to Fees

• Current Assignee: Goldstar Jewellery LLC
• Original Assignee: Goldstar Jewellery LLC
• Inventors: Choi, Kyu N., Oh, Tae K., Hur, Chang W.
• Primary Examiner(s): Rogers, Scott A.
• Application Number:
  US08/157,738
• Time in Patent Office: 811 Days
• Field of Search: 358/472, 358/482, 358/296, 358/300, 358/494, 358/496, 358/497, 358/474, 358/471, 358/483, 250/208.1, 250/227.2, 250/227.26, 347/136, 347/239, 347/200, 347/211
• US Class Current: 358/472
• CPC Class Codes: B41J 2/3551 Block driving
• CPC Class Codes: B41J 2/465 using masks, e.g. light-switching masks
• CPC Class Codes: H04N 1/024 Details of scanning heads ; Means for illuminating the original
• CPC Class Codes: H04N 1/02463 using heads mounted on the same support or substrate

Abstract

An integrated input-output device for a data communication terminal equipment including a plurality of photoelectric converting circuits respectively arranged in n aligned blocks each including m aligned photoelectric converting elements, a plurality of first switching circuits respectively arranged in n aligned blocks each including m aligned thin film transistors respectively connected to the photoelectric converting elements of each corresponding one of the photoelectric converting circuits, a plurality of recording circuits respectively arranged in n aligned blocks each including m aligned recording elements, a plurality of second switching circuits respectively arranged in n aligned blocks each including m aligned thin film transistors respectively connected to the recording elements of each corresponding one of the recording circuits, n gate address lines respectively connected in common to gate electrodes of all thin film transistors of the same block-numbered first and second switching circuits, and m data lines respectively connected in common to source/drain electrodes of the same numbered thin film transistors of the same block-numbered first and second switching circuits.

Claims

1. An integrated input-output device having a reading and a printing section on a single substrate comprising:

a plurality of photoelectric converting circuits respectively arranged in n aligned blocks each including m aligned photoelectric converting elements and adapted to convert optical signals into electrical signals and generate photoelectric charges;

a plurality of first switching circuits respectively arranged in n aligned blocks each including m aligned thin film transistors respectively connected to the photoelectric converting elements of each corresponding one of the photoelectric converting circuits and adapted to selectively output the photoelectric charges from the photoelectric converting circuits;

a plurality of recording circuits respectively arranged in n aligned blocks each including m aligned recording elements and adapted to record data to be printed;

a plurality of second switching circuits respectively arranged in n aligned blocks each including m aligned thin film transistors respectively connected to the recording elements of each corresponding one of the recording circuits and adapted to apply data to be recorded to the recording circuits;

n gate address lines respectively connected in common to gate electrodes of all thin film transistors of the same block-numbered first and second switching circuits;

m data line respectively connected in common to source/drain electrodes of the same numbered thin film transistors of the same block-numbered first and second switching circuits;

a driving circuit adapted to sequentially apply gate pulse signals to the gate address lines; and

a lead-out and recording circuit adapted to lead out the photoelectric charges from the photoelectric converting circuit via the first switching circuits and the data lines and output the data to be recorded in the recording circuits via the data lines and the second switching circuits.

2. An integrated input-output device in accordance with claim 1, wherein said gate address lines are m in number which are respectively connected in common to gate electrodes of the same numbered thin film transistors of the same block-numbered first and second switching circuits.

3. An integrated input-output device in accordance with claim 1, wherein each of said photoelectric converting elements comprises a photodiode.

4. An integrated input-output device in accordance with claim 1, wherein each of said recording elements comprises one of a liquid crystal shutter and a thermal printer head.

5. An integrated input-output device in accordance with claim 1, wherein each of said thin film transistors of each second switching circuit comprises a high voltage thin film transistor.

6. An integrated input-output device having a reading and a printing section on a single substrate comprising:

a first transparent substrate;

a photoelectric converting region formed over one side portion of said first transparent substrate and adapted to convert an optical signal into an electrical signal and generate a photoelectric charge;

a first switching circuit formed over a portion of the first transparent substrate in one side of said photoelectric converting region and adapted to selectively output said photoelectric charge from the photoelectric converting region;

a second switching circuit formed over a portion of the first transparent substrate in one side of said first switching circuit and adapted to switch data values, said second switching circuit having a source/drain electrode in common with the first switching circuit;

a liquid crystal shutter formed over a portion of the first transparent substrate in one side of said second switching circuit and adapted to output electrical data from the second switching circuit in the form of an optical signal;

a second transparent substrate bonded to the first transparent substrate to define a space therebetween;

a black matrix formed over said second transparent substrate except for a region corresponding to said liquid crystal shutter and adapted to shield a light beam;

a transparent electrode formed over both the black matrix and the second transparent substrate; and

a liquid crystal layer disposed in said space and adapted to permit a light beam to pass therethrough or shield the light beam.

7. An integrated input-output device having a reading and a printing section on a single substrate comprising:

a first glass substrate;

a photoelectric converting region formed over one side portion of said first glass substrate and adapted to convert an optical signal into an electrical signal and generate a photoelectric charge;

a first switching circuit formed over a portion of the first glass substrate in one side of said photoelectric converting region and adapted to selectively output said photoelectric charge from the photoelectric converting region;

a first gate address line and a first data line formed over a portion of the first glass substrate in one side of said first switching circuit and adapted to respectively transmit a gate signal and a data signal from the first switching circuit;

a second glass substrate bonded to the first glass substrate;

a thermal isolation film and a heat generating resistor sequentially formed over said second glass substrate;

a thermal printer head region formed over a portion of said heat generating resistor corresponding to the photoelectric converting region;

a second switching circuit formed over a portion of the heat generating resistor in one side of said thermal printer head region and adapted to selectively apply data to be recorded to the thermal printer head region; and

a second gate address line and a second data line formed over a portion of the heat generating resistor in one side of said second switching circuit and adapted to respectively transmit a gate signal and a data signal to the second switching circuit.