WO2004051852A1 - データラッチ回路及び電子機器 - Google Patents
データラッチ回路及び電子機器 Download PDFInfo
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- WO2004051852A1 WO2004051852A1 PCT/JP2003/015385 JP0315385W WO2004051852A1 WO 2004051852 A1 WO2004051852 A1 WO 2004051852A1 JP 0315385 W JP0315385 W JP 0315385W WO 2004051852 A1 WO2004051852 A1 WO 2004051852A1
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
- H03K5/2472—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors
- H03K5/249—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using field effect transistors using clock signals
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/037—Bistable circuits
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/18—Digital stores in which the information is moved stepwise, e.g. shift registers using capacitors as main elements of the stages
- G11C19/182—Digital stores in which the information is moved stepwise, e.g. shift registers using capacitors as main elements of the stages in combination with semiconductor elements, e.g. bipolar transistors, diodes
- G11C19/184—Digital stores in which the information is moved stepwise, e.g. shift registers using capacitors as main elements of the stages in combination with semiconductor elements, e.g. bipolar transistors, diodes with field-effect transistors, e.g. MOS-FET
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/356—Bistable circuits
- H03K3/356104—Bistable circuits using complementary field-effect transistors
- H03K3/356113—Bistable circuits using complementary field-effect transistors using additional transistors in the input circuit
- H03K3/356121—Bistable circuits using complementary field-effect transistors using additional transistors in the input circuit with synchronous operation
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0289—Details of voltage level shifters arranged for use in a driving circuit
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0294—Details of sampling or holding circuits arranged for use in a driver for data electrodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
Definitions
- the present invention relates to a data latch circuit for capturing a digital signal. Further, the present invention relates to an active matrix display device using the data latch circuit as a part of a driving circuit. Further, the present invention relates to an electronic device using the active matrix display device.
- a pixel circuit and a partitioning circuit are formed using a thin film transistor (TFT) formed of a polycrystalline semiconductor (poly-Si; polysilicon) on the!
- TFT thin film transistor
- the technology for integrally forming the “internal circuit” is being actively developed.
- the internal circuit has a source signal line driving circuit, a gate signal line driving circuit, and the like, and these driving circuits control a pixel circuit arranged in a matrix.
- the internal circuit is connected to a controller IC or the like (hereinafter referred to as “external circuit”) via an FPC (Flexible Printed Circuit) or the like, and its operation is controlled.
- the drive voltage (ie, signal amplitude) of an IC used for an external circuit is smaller than the drive voltage of an internal circuit from the viewpoint of reducing power consumption.
- an IC that operates at a voltage of 3.3 V is used for the external circuit, but the operating voltage of the internal circuit is about 10 V, which is higher than that of the external circuit. Therefore, when a 3.3 V signal is input from an external circuit to an internal circuit, it is necessary to convert the signal amplitude to about 10 V using a level shift circuit or the like.
- Driving methods in the active matrix display device include a digital driving method and an analog driving method.
- a data latch circuit for sequentially taking in digital video signals by sampling pulses from the shift register is required in the source signal line driving circuit constituting the internal circuit.
- Patent Document 1 Japanese Patent Application Laid-Open No. 11-184440
- a data latch circuit corresponding to a low-voltage signal input may malfunction due to the influence of variations in TFT characteristics.
- FIG. 2 (A) shows a general «type data latch circuit.
- the data latch circuit includes a clock driver and a clock driver, and the clock driver includes a clock driver and a clock driver.
- Member 2005 has P-type TFTs 2001 and 2002 and N-type TFTs 2003 and 2004 connected in series.
- the sampling pulse (LAT) from the shift register is input to the gate electrode of the P-type TFT 2001, and the source electrode has a connection structure such that the power supply VDD is supplied.
- the inversion pulse (LATB) of the sampling pulse (LAT) is input to the gate electrode of the N-type TFT 2004, and the source electrode has a connection structure such that the power supply VSS is supplied.
- Digital signals (DATA) are input to the gate electrodes of the P-type TFT2002 and N-type TFT2003.
- the drain electrodes of the P-type TFT 2002 and the N-type TFT T 2003 are connected to the Invera 2006.
- FIG. 2 (B) shows a timing chart of the through-hole data latch circuit of FIG. 2 (A).
- the operation of the miniature data latch circuit will be described with reference to FIGS. 2 (A) and 2 (B).
- the input digital signal (hereinafter, referred to as a "de-night signal”) is a digital signal having a potential representing "1" and a potential representing "0".
- the potential level expressing “1” is described as “ ⁇ level”
- the potential level expressing “0” is described as “L level”.
- the level of the potential is L level and H level.
- an L-level sampling pulse (LAT) is input from the shift register, LAT becomes L-level, LATB becomes H-level, and the P-type TFT 2001 and the N-type TFT 2004 are turned on.
- LAT L-level sampling pulse
- the P-type TFT 2002 is turned off and the N-type TFT 2003 is turned on, and the clocked inverter 2005 outputs VSS.
- the P-type TFT 2002 turns on and the N-type TFT 2003 turns off, and the clocked inverter 2005 outputs VDD.
- VSS is 12V
- VDD is 5V
- H level of LAT and LATB is 5V
- L level is 12V
- H level of DATA is 3V
- L level is 0V.
- a sampling pulse and LAT are input from the shift register, LAT becomes H level (5V), LATB becomes L level (_2V), and the P-type TFT2001 and the N-type TFT2004 are turned on.
- DATA is at H level (3V)
- the P-type TFT 2002 turns off and the N-type TFT 2003 turns on
- the clocked inverter 2005 outputs VSS.
- the present invention has been made in view of the above problems, and has as its object to provide a data latch circuit that is less susceptible to variations in TFT characteristics and that can operate with low power consumption and high frequency. Disclosure of the invention
- the present invention provides a data latch circuit, comprising: a means for determining whether a data signal is at an H level or an L level; means for short-circuiting an input terminal and an output terminal of the receiver.
- the input of the inverter is connected to one electrode of a capacitor, and the other electrode of the capacitor is configured to receive a data signal or a substantially satisfactory potential.
- the input terminal of the inverter and the output terminal are short-circuited to set the input terminal of the inverter and one electrode of the capacitor to the threshold potential of the inverter, and at the same time, the other electrode of the capacitor Set to the reference potential.
- a data signal is taken into one electrode of the capacitor set to the reference potential.
- the potential of the input of the receiver via the capacitor fluctuates up and down from the threshold potential, and it becomes possible to determine the ⁇ level or the L level of the data signal.
- a data latch circuit is a data latch circuit for capturing a digital signal, comprising a capacitor having first and second electrodes, and an input having an input connected to the first electrode.
- a switch connected between the input terminal and the output terminal of the receiver; turning on the switch during a reset period; and connecting the second electrode of the capacitor means to the second electrode of the capacitor means. 1 is input, and the digital signal is input to the second electrode of the capacitance means in a capture period after the reset period.
- the data latch circuit of the present invention is a data latch circuit for capturing a digital signal, comprising: capacitance means having first and second electrodes; and an inverter having an input connected to the first electrode.
- a first switch connected between the input terminal and the output terminal of the receiver, and a second switch and a third switch connected to the second electrode; and in a reset period, Turning on the first switch, and turning on the second switch to input a first potential to the second electrode of the capacitance means; and in the capturing period after the reset period, A data latch circuit for inputting the digital signal to the second electrode of the capacitance means by turning on a third switch; and a data latch circuit of the present invention comprising: A data latch circuit that captures a signal, a capacitor having first and second electrodes, a first amplifier having an input connected to the first electrode, and a first amplifier having a first electrode connected to the first electrode.
- a switch connected between the input ⁇ and the output of the first input terminal, a second input terminal connected to the output of the first input terminal and an input 3 ⁇ 4 ⁇ , and a switch connected to the output terminal of the second input terminal.
- a clocked inverter in which an input and an output are connected to an input and an output, respectively, and the switch is turned on during a reset period, and a first potential is applied to the second electrode of the capacitance means. And inputting the digital signal to the second electrode of the capacitance means during a capture period after the reset period.
- a first switch connected between the input terminal and the output terminal of the first switch, a second switch and a third switch connected to the second electrode, and the first switch.
- a second driver having an input connected to the output ⁇ ; and a clock driver having the input and the output connected to the input terminal and the output of the second member, respectively.
- the first switch is turned on, and the second switch is turned on to input a first potential to the second electrode of the capacitance means.
- the third switch The digital signal is input to the second electrode of the capacitance means by turning on a latch
- the data latch circuit of the present invention is a data latch circuit for capturing a digital signal
- Capacitance means having first and second electrodes; a first member having an input connected to the first electrode; and a capacitor between the input terminal and the output terminal of the first member.
- a second inverter having an input terminal connected to the output terminal of the first inverter, and an output to the input ⁇ ? And the output ⁇ ? Of the first inverter.
- a clocked inverter connected to the input ⁇ ⁇ , and in a reset period, the switch is turned on, and a first potential is input to the second electrode of the capacitance means, Capture period after reset period In, characterized by inputting said digital signal to said second electrode of said capacitor means.
- a data latch circuit is a data latch circuit for capturing a digital signal, wherein a capacitor having first and second electrodes is connected to an input of the first electrode.
- a first switch a first switch connected between the input ⁇ ? And an output ⁇ of the first member, and a second switch connected to the second electrode.
- a third switch a second inverter having the input ⁇ ? Connected to the output of the first member, and an output to the input ⁇ ? And the output of the first member. 3 ⁇ 4 ⁇ and the input ⁇ ? Are connected to each other, and in a reset period, the first switch is turned on, and the second switch is turned on, thereby turning on the second switch of the capacitance means.
- Inputting a first potential to the first electrode, and inputting the digital signal to the second electrode of the capacitance means by turning on the third switch in a capture period after the reset period.
- the data latch circuit of the present invention is a data latch circuit for capturing a digital signal, wherein a first capacitor having first and second electrodes and a second capacitor having third and fourth electrodes are provided.
- Means an inverter having an input connected to the first electrode and the third electrode, and a switch connected between the input and the output of the inverter, wherein during a reset period, Turning on the switch, inputting a first potential to the second electrode of the first capacitance means, and inputting a second potential to the fourth electrode of the third capacitance means, In the capturing period after the reset period, the digital signal is input to the second electrode of the first capacitance unit and the fourth electrode of the second capacitance unit.
- the data latch circuit of the present invention is a data latch circuit for capturing a digital signal, wherein a first capacitor having first and second electrodes and a second capacitor having third and fourth electrodes are provided. Means, an input terminal connected to the first electrode and the third electrode, and a first switch connected between the input terminal and the output terminal of the input terminal. A second switch and a third switch connected to the second electrode; and a fourth switch and a fifth switch connected to the fourth electrode. A first potential is input to the second electrode of the first capacitance means by turning on the switch and turning on the second switch, and turning on the fourth switch.
- a second potential is input to the fourth electrode of the third capacitance means, and in the capture period after the reset period, the third switch is turned on, thereby causing the third capacitance means to be turned on.
- the digital signal is input to the second electrode and to the fourth electrode of the second capacitor by turning on the fifth switch.
- the data latch circuit of the present invention is a data latch circuit for capturing a digital signal, wherein a first capacitor having first and second electrodes and a second capacitor having third and fourth electrodes are provided.
- Means a first member having an input terminal connected to the first electrode and an output terminal connected to the third electrode, the input and the output terminal of the first member A first switch connected between the first switch, a third capacitor having fifth and sixth electrodes, a fourth capacitor having seventh and eighth electrodes, and the fifth electrode.
- a third member having an input connected to the fourth and eighth electrodes.
- a third switch connected between the input terminal and the output terminal of the third member; turning on the first and second switches during a reset period; and A first potential is input to the second electrode of the first capacitance means, and a second potential is input to the fourth electrode of the third capacitance means; Wherein the digital signal is input to the second electrode of the first capacitance means and the fourth electrode of the second capacitance means. It is characterized by the following.
- the data latch circuit of the present invention is a data latch circuit for capturing a digital signal, wherein a first capacitor having first and second electrodes and a second capacitor having third and fourth electrodes are provided. Means, a first member having an input connected to the first electrode and an output connected to the third electrode, the input and the output terminal of the first member. A first switch connected between the first and second electrodes; a third capacitor having fifth and sixth electrodes; a fourth capacitor having seventh and eighth electrodes; A second member having an input connected to the electrode and an output terminal connected to the seventh electrode, and a connection between the input terminal and the output terminal of the second innocence; A second switch, and a third member having an input ⁇ ?
- a third switch connected between the input terminal and the output terminal of the third member; and a fifth capacitor connected to the first electrode and the fifth electrode.
- the first and second switches are turned on, a first potential is input to the second electrode of the first capacitance means, and the fourth potential of the third capacitance means is A second potential is input to the second electrode, and during the capture period after the reset period, the digital signal is applied to the second electrode of the first capacitor and the fourth electrode of the second capacitor. It is characterized by inputting a signal.
- the first potential may be a 1 potential or a 0 potential of the digital signal.
- the reset period is determined by using a sampling pulse from a previous-stage shift register, and the capture period is automatically determined. The determination may be made using the sampling pulse from the shift register at the stage.
- the amplitude of the digital signal is proportional to a power supply voltage width used in the data latch circuit. It may be smaller than that.
- an output pulse from a previous-stage shift register may be used for the control terminal of the clocked inverter.
- the data latch circuit may be formed by a thin film transistor.
- the data latch circuit of the present invention can operate accurately without being affected by variations in TFT characteristics even if the amplitude of the input signal is smaller than the power supply voltage width. Thus, there is no need to shift the level of a signal from an external circuit, and low power consumption, a reduction in layout area, and a reduction in cost can be realized.
- FIG. 1 is a diagram showing an embodiment of the present invention.
- FIG. 2 is a diagram showing a pattern data latch circuit.
- Fig. 3 is a graph showing the typical V IN -V OUT characteristics of an invertor .
- FIG. 4 is a diagram showing an outline of an external circuit and a display panel.
- FIG. 5 is a diagram illustrating a configuration example of a source signal line driving circuit.
- FIG. 6 is a diagram showing an embodiment of the present invention.
- FIG. 7 is a diagram showing an embodiment of the present invention.
- FIG. 8 is a diagram showing an embodiment of the present invention.
- FIG. 9 is a diagram illustrating an example of an electronic device to which the present invention can be applied.
- FIG. 10 is a diagram showing a general clock driver. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1A shows the configuration of the data latch circuit of this embodiment.
- the data latch circuit of the present embodiment includes a data capture switch 1001, a reference switch 1002, a threshold setting switch 1003, a capacitance means 10004, and a correction inverter 10000. With 5.
- a circuit block including the data capturing switch 1001, the reference switch 1002, and the capacitance means 104 is referred to as a “block x”. If necessary, an invertor 106 may be provided.
- the data capture switch 100001 is turned on or off by LAT, and the input data is connected to the connection between the reference switch 1002 and the second electrode of the capacitance means 1004 ( Hereafter referred to as “node a”).
- the reference switch 100 2 is turned on or off by the LAT-1 and takes in the first potential (herein referred to as “reference potential”), and the data taking-in switch 100 1 and the capacitance means 100 0.
- the reference potential is output to the connection with the second electrode of 4, that is, to the node a.
- the input and output of the correction inverter 1005 are electrically connected via a threshold setting switch 1003. Connections between the input ⁇ ?
- FIG. 1B shows a timing chart of the data latch circuit of this embodiment. The operation when the data latch circuit of the present embodiment is driven at a low voltage will be described with reference to FIGS. 1 (A) and 1 (B).
- ⁇ 33 is 1 ⁇ 2
- VDD is 5V
- LAT, LATB, LAT-1 and LAT-IB are each at an H level of 5 V, an L level of 12 V, and an H level of DATA.
- the level is 3 V
- the L level is 0 V
- the reference potential is 1.5 V, which is the intermediate potential between the L and H levels of DATA.
- a reset operation is performed in a period T1.
- the sampling pulse LAT-1 (5V) is input to the data latch circuit from the shift register at the preceding stage of the data latch circuit, and the reference switch 1002 and the threshold setting switch 1003 are turned on.
- node a1 ⁇ 2 becomes the reference potential (1.5 V). Since the potential of node b is fed back to the potential of node c and acts in the direction in which the potential does not move, it becomes the threshold potential of the corrected inverter 1005 (2 V here).
- the process proceeds to period T2, and the data latch circuit determines the H level and the L level of the input DATA.
- the sampling pulse LAT (5 V) from the shift register is input to the data latch circuit, and the data fetch switch 1001 is turned on.
- the input DATA is H level (3V)
- the potential of node a changes from 1.5 ⁇ to 3. Since the potential difference between both ends of the capacitance means 1004 is maintained, the voltage at the node b changes by an amount corresponding to the voltage change at the node a. Therefore, node b rises from 2V by about 1.5V to about 3.5V.
- FIG. 3 shows the typical V IN (input signal voltage) -V 0UT (output signal voltage) characteristics of an inverter.
- V IN is slightly above or below the threshold V fluctuates.
- UT is very close to VDD or VSS.
- the node b is set to the threshold potential of the correction member 1005, so that the node b responds to the change in the potential of the node b.
- the potential of the node b rises from 2 V to about 3.5 V, the potential of the node c approaches V SS very much.
- the potential of node c is further shaped by inverter 106, and VDD (H level) is output to its output OUT.
- the potential of the node a changes from 1.5 to 0, and the potential of the node b drops by about 1.5 V from 2 V. It is about 5 V.
- the node c greatly approaches VDD.
- the potential of the node c is further shaped by the inverter 106, and its output OUT outputs V SS (L level).
- the reference potential is a fixed potential
- an intermediate potential of the amplitude of the data signal (DATA in this case) is desirable.
- the inverted signal of the data signal DATA may be shifted by one data before the reference potential and then input.
- DATA is at H level (3 V)
- node a becomes L level (0 V) during reset period T 1
- H level (3 V) DATA is input during capture period T 2.
- the node a and the node b fluctuate by about 3 V, and the correction inverter 1005 more easily operates accurately.
- DATA is at L level (0 V)
- node a and node b fluctuate about 3 V.
- the threshold potential of the signal to be output is determined in advance by judging the H level or the L level of the data signal DATA, and either of the threshold potential and the threshold voltage is determined.
- the threshold fluctuation due to variations in TFT characteristics It can operate accurately without being affected by Thus, low power consumption and high frequency operation are possible.
- a laser crystallization method a thermal crystallization method using an RTA or a furnace annealing furnace, and a metal element that promotes crystallization are used as a crystallization method for producing the polysilicon TFT.
- a thermal crystallization method, a combination of these crystallization methods, or the like can be used.
- holding may be performed using a clocked inverter 6002 as shown in FIGS. 6 (A) and 6 (B), or a capacitor means 6003 The holding may be performed by using the method described above.
- a general clocked inverter may be used for the clocked inverter 6002.
- FIG. 10 shows a typical clock driver.
- the clock driver 10001 has a first P-type TFT 10002, a second P-type TFT 10003, a first N-type TFT 10004, and a second N-type TFT 10005 connected in series.
- the terminal input to the gate electrode of the first P-type TFT1 0002 is a control terminal 1
- the terminals input to the gate electrodes of the second P-type TFT 1003 and the first N-type TFT 10004 are the inputs
- the connection terminal of the second P-type TFT 1003 and the first N-type TFT 1004 is set as output cauliflower
- Fig. 6 (A) is a loop-like configuration of Fig. 1 (A) with the addition of capacitance means 6003 and clocked inverter 6 It is connected to.
- the holding pulse H ⁇ LD is input to the control terminal 1 of the clock driver 600 2, and the inverted pulse HOLD B of the HOLD is input to the control terminal 2.
- the other parts are the same as in Fig. 1 (A).
- a clocked impeller, 6120 is added to Fig. 1 (A), and a clocked inverter, 6102, is connected in a loop with the correction inverter, 6101. Things.
- the holding pulse H ⁇ LD is input to the control 1 of the clock driver 610, and the inverted pulse HOLDDB of the HOLD is input to the control terminal 2.
- the other parts are the same as in Fig. 1 (A).
- the HOLD pulse may be a pulse such as 6201 or 6202 shown in the timing chart of FIG. 6C, and an output pulse of a shift register may be used.
- the operation is such that after the capture period T2 ends, the clock driver 6002 or 6102 is turned on, and the holding operation is started.
- the H level and the L level can be accurately held for a desired period.
- FIG. 7 shows the case where the potential is the same as the L level.
- the data latch circuit includes a correction amplifier 700 and a correction amplifier in which an input section is connected to one connection section of the block y and the block y 1 and the block y and the block y ′ connected in parallel.
- a threshold setting switch connected to the input and output ⁇ of the input and output ⁇ of the inverter connected in series with the clock and a clock driver.
- One night has 700.09.
- the block y is connected to a first data capturing switch 7001 and a first capacitor means 7005 connected in series, and a connection portion (hereinafter, referred to as “node a”).
- a first reference switch 7003 for inputting a signal DH, and the block y1 is connected in series, a second data capture switch 7002 and a second capacitance means 700
- the on / off of the first data capturing switch 7001 and the second data capturing switch 7002 is controlled by the LAT to capture DATA.
- the first reference switch 7003, the second reference switch 7004, and the threshold setting switch 7007 are controlled on or off by LAT-1.
- the threshold setting switch 700 is provided between the input terminal and the output terminal of the correction inverter 700. Connections between the input and output terminals of the correction inverter 700 and the threshold setting switch 707 are referred to as “node b” and “node c”, respectively.
- VSS is ⁇ 2 V
- VDD is 5 V
- H level of each of LAT, L ATB, LAT-1 and LAT-IB is 5 V
- L level is 0 V
- H level of DATA is ⁇ 2 V
- the total J level (DH) is 3 V and the low level (DL) is 0 V. Since the timing chart in the present embodiment is the same as the evening chart in Embodiment 1 shown in FIG. 1B, description will be made using the timing chart of FIG. 1B.
- LAT-1 goes to the H level (5V)
- the first reference switch 7003, the second reference switch 7004, and the threshold setting switch 7008 are turned on, and the node a is at the potential of DH. (3 V), and the node a 'becomes the potential of DL (0 V).
- Node b has a threshold voltage of 7008 (2 V in this case).
- node a changes from 3V to 0V, and node a 'remains at 0V. Therefore, the node b drops from 2 V by about 1.5 V to about 0.5 V. Therefore, node c is very close to VDD (5V).
- the data latch circuit of the present embodiment can operate accurately without being affected by variations in various characteristics of the TFT. Power consumption and high frequency operation are possible. Further, in the data latch circuit of the present embodiment, two reference potentials input to the two reference switches are respectively set to the highest potential (DH) of the data signal, and the other is set to the lowest potential (DH) of the data signal. DH), there is no need to provide a special intermediate potential for the reference potential. This is effective for reducing the number of power supplies.
- FIG. 8A shows a data latch circuit of the present invention having a different configuration from the first to third embodiments.
- the data latch circuit according to the present embodiment includes a block z and a block z ′ connected in parallel, and a first correction member 800 0 having an input terminal connected to one connection portion of the block z and the block z ′. 1 and the input terminal and the output terminal of the first compensation unit 8001 connected in series with the first compensation unit 8001 and the first compensation unit 8001.
- the first threshold setting switch 8003 thus obtained is provided.
- the block z is composed of a first capturing switch 8004, a first capacity means 800, a second correction inverter 80010 and a third capacity means 800 arranged in series. 12 and DH (same potential as the H level of DATA) is taken into the connection (hereinafter referred to as “node a”) between the first fetch switch 8004 and the first capacitor 808 (hereinafter referred to as “node a”).
- the first reference switch 8006 and the second threshold setting switch 80014 provided between the input terminal and the output terminal of the second correction amplifier 8001 are connected. Have.
- the block z ' is composed of a second fetch switch 8005, a second capacitance means 800, a third correction inverter 8001 and a fourth capacitance means 800 arranged in series. 13 and the connection between the second capture switch 8005 and the second capacitor means 809 (hereinafter referred to as "node: a '") are connected to DL (the same potential as the L level of DATA). ), A second reference switch 8007, and a third threshold setting switch 80015 provided between the input and output terminals of the third correction inverter 8101. Having.
- DATA is input to the other connection between the blocks z and z ', that is, the connection between the first capture switch 8004 and the second capture switch 8005.
- First The capture switch 8004 and the second capture switch 8005 are turned on or off by LAT, respectively.
- the first reference switch 8006, the second reference switch 8007, the second threshold setting switch 80014 and the third threshold setting switch 80015 are respectively ON or OFF is controlled by LAT-1.
- connection portions between the input terminal and output terminal of the first correction member 8001 and the first threshold setting switch 8003 are referred to as “node bj” and “node (), respectively”.
- the connection parts between the input terminal and output terminal of the second correction inverter 80010 and the second threshold setting switch 80014 are referred to as “node a2" and “node a3”, respectively.
- the connection portions between the input terminal and the output terminal of the third correction inverter 8101 and the third threshold setting switch 80015 are referred to as “node a 2 ′” and “node a 3”, respectively.
- the timing chart of the present embodiment is the same as the timing chart of the first embodiment shown in FIG.
- LAT-1 becomes H level (VDD)
- Node a is the potential of DH
- node a ' is the potential of DL
- node a2 and node a3 are the threshold potential of the second correction member 8100
- the threshold potential is 8 0 1 1 overnight.
- the node a 2 when DATA is at the H level or the node a 2 ′ when DATA is at the L level fluctuates due to switching noise at the time of DATA loading and malfunctions, As shown in FIG. 8 (B), it is preferable to provide fifth capacitance means 800 16 between the nodes a 2 and a 2 ′.
- the node a 2 and the node a 2 ′ fluctuate in the same direction by the capacitance means 180 16 to prevent malfunction.
- the data latch circuit of the present embodiment can be accurately measured without being affected by variations in the characteristics of the TFT. Operation, and low power consumption and high frequency operation are possible. Further, in the data latch circuit of the present embodiment, two reference potentials input to the two reference switches are respectively set to the highest potential (DH) of the data signal, and the other is set to the lowest potential of the data signal. By setting it to (DH), it is effective to reduce the number of power supplies without special provision of the intermediate potential used for the reference potential.
- Embodiment:! 4 to 4 here, as an example, the case where the data acquisition switch, the reference switch, and the threshold setting switch are N-type TFTs has been described, but depending on the power supply voltage value, signal voltage value, and signal amplitude, all are P-type TFTs.
- An analog switch having a TFT or N-type TFT and a P-type TFT may be substituted, or some may be substituted.
- the reset pulse LAT-1 is a sampling pulse from the shift register one stage before, but may be a sampling pulse from the shift register before two or more stages. A pulse may be input for the set. Also, all stages may be reset at once.
- the voltage setting is not limited to this.
- Figure 4 shows a block diagram of the external circuit and a schematic diagram of the panel.
- an active matrix type organic EL display device is used as an example.
- the active matrix display device includes an external circuit 404 and a panel 410.
- the external circuit 4004 has an AZD conversion section 4001, a power supply section 4002, and a signal generation section 003.
- the A / D converter 4001 converts the video signal input as an analog signal into a digital signal, and supplies the digital signal to the source signal line driver circuit 406.
- the power supply unit 4002 generates a power supply of a desired voltage value from a power supply supplied from a battery or an outlet, and supplies a source signal line drive circuit 400, a gate signal line drive circuit 4007, and an EL element. 4 0 1 1, supply to the signal generation section 4 0 3, etc.
- a power supply, a video signal, a synchronization signal, and the like are input to the signal generation unit 4003 to convert various signals, and a source signal line driving circuit 4006 and a gate signal line driving circuit 400
- the signal and power from the external circuit 400 to generate a clock signal for driving the 07 pass through the FPC, and the internal circuit and EL element from the FPC connection section 400 in the panel 410 Entered as 4 0 1 1 etc.
- the panel 410 has an FPC connection portion 4005 and an internal circuit arranged on a glass substrate 410, and has an EL element 4101.
- the internal circuit is the source signal line drive circuit 40 06, having a gate signal line drive circuit 4007 and a silicon part 4009.
- a pixel portion 4009 is provided in the center of the substrate, and a source signal line drive circuit 4006 and a gate signal line drive circuit 4007 are provided therearound.
- the EL eave 4011 and the counter electrode of the EL element are formed on the entire surface of the pixel portion 4009.
- FIG. 5 shows a block diagram of the source signal line driver circuit 4006.
- the source signal line driver circuit 4006 is a shift register 5002 using a plurality of D flip-flops (Delayed F1ip-Flop; D-FF) 5001, a data latch circuit 5003, and a latch circuit 5004. It has 5005 and 5006 buffers.
- the data latch circuit of the present invention can be used for the data latch circuit 5003, and any of the data latch circuits described in the embodiments can be adopted. Here, a case will be described in which the data latch circuit 5003 is employed, but the data latch circuit may be employed in the latch circuit 5004.
- Input signals are clock signal line (S-CK), inverted clock signal line (S-CKB), start pulse (S-SP;), digital video signal (DATA), and latch pulse (Lat ch Pu 1 se).
- S-CK clock signal line
- S-CKB inverted clock signal line
- S-SP start pulse
- DATA digital video signal
- Lat ch Pu 1 se latch pulse
- sampling pulses are sequentially output from the shift register 5002 in accordance with the timing of the clock signal, the clock inversion signal, and the stop pulse.
- the sampling pulse is input to the data latch circuit 5004.
- the data latch circuit 5004 is reset by the sampling pulse input from the immediately preceding D-FF 5001, and then captures the digital video signal at the timing when the sampling pulse is input from the D-FF5007 of the own stage. Hold. This operation is performed sequentially from the first row.
- a latch pulse is input during the horizontal retrace period, and the digital video signals held in the data latch circuit 503 are simultaneously transmitted.
- the data is transferred to the latch circuit 504.
- the signal is level-shifted in the level shifter 505, shaped in the buffer 506, and then output simultaneously to the source signal lines S1 to Sn.
- the H level and the L level are input to the pixels in the row selected by the gate signal line driving circuit 407, and the emission and non-emission of EL3 ⁇ 4? 011 are controlled.
- the panel 410 and the external circuit 404 are independent, but they may be formed integrally on the same substrate.
- the display device uses organic EL as an example, a light emitting device using a light emitting element other than organic EL may be used, or a liquid crystal display device may be used.
- the level shifter 5005 and the buffer 506 may not be provided in the source signal line driving circuit 4006.
- the data latch circuit of the present invention can be used for various display devices, and the display device can be used for display portions of various electronic devices.
- the display device of the present invention it is preferable to use the display device of the present invention for a mobile device that requires low power consumption.
- the electronic devices include portable information devices (mobile phones, mobile computers, portable game machines or electronic books, etc.), video cameras, digital cameras, goggle-type displays, display displays, navigation systems. And the like. Specific examples of these electronic devices are shown in FIGS. 9 (A) to 9 (D).
- FIG. 9A illustrates a display, which includes a housing 9001, an audio output unit 9002, a display unit 9003, and the like.
- a display device using the data latch circuit of the present invention has a display section 9003. Can be used.
- Display devices include all information display devices such as those for personal computers, TV broadcast reception, and advertisement display.
- Fig. 9 (B) shows Mopa and Ilecomputer, including the main body 9101, stylus 9102, display section 9103, operation button 9104, external interface 9105, etc. .
- a display device using the data latch circuit of the present invention can be used for the display portion 9103.
- FIG. 9C illustrates a game machine including a main body 9201, a display portion 9202, an operation button 9203, and the like.
- a display device using the data latch circuit of the present invention can be used for the display portion 9202.
- Figure 9 (D) shows a mobile phone, with the main body 9301, audio output section 9302, audio input section 9303, display section 9304, operation switch 9305, antenna 93 Includes 0 6 etc.
- a display device using the data latch circuit of the present invention can be used for the display portion 9304.
- the data latch circuit of the present invention is applicable to all circuits that capture digital data, and is particularly suitable for a driving circuit of a display device.
- the range of a display device using the data latch circuit of the present invention as a part of a driving circuit is extremely wide, and can be used for electronic devices in all fields.
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- Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of El Displays (AREA)
- Logic Circuits (AREA)
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- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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EP03776011A EP1569342B1 (en) | 2002-12-03 | 2003-12-02 | Data latch circuit and electronic device |
DE60336501T DE60336501D1 (de) | 2002-12-03 | 2003-12-02 | Daten-verriegelungs-kreislauf und elektronische vorrichtung |
KR1020057009014A KR101062241B1 (ko) | 2002-12-03 | 2003-12-02 | 데이터 래치회로 및 전자기기 |
AU2003284526A AU2003284526A1 (en) | 2002-12-03 | 2003-12-02 | Data latch circuit and electronic device |
JP2004531658A JP4841839B2 (ja) | 2002-12-03 | 2003-12-02 | データラッチ回路及び電子機器 |
Applications Claiming Priority (2)
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JP2002351672 | 2002-12-03 | ||
JP2002-351672 | 2002-12-03 |
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US (5) | US7142030B2 (ja) |
EP (1) | EP1569342B1 (ja) |
JP (2) | JP4841839B2 (ja) |
KR (1) | KR101062241B1 (ja) |
CN (1) | CN100365934C (ja) |
AU (1) | AU2003284526A1 (ja) |
DE (1) | DE60336501D1 (ja) |
TW (1) | TW200500829A (ja) |
WO (1) | WO2004051852A1 (ja) |
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2003
- 2003-12-01 US US10/724,365 patent/US7142030B2/en not_active Expired - Fee Related
- 2003-12-02 KR KR1020057009014A patent/KR101062241B1/ko active IP Right Grant
- 2003-12-02 JP JP2004531658A patent/JP4841839B2/ja not_active Expired - Fee Related
- 2003-12-02 TW TW092133896A patent/TW200500829A/zh not_active IP Right Cessation
- 2003-12-02 EP EP03776011A patent/EP1569342B1/en not_active Expired - Lifetime
- 2003-12-02 AU AU2003284526A patent/AU2003284526A1/en not_active Abandoned
- 2003-12-02 CN CNB2003801050008A patent/CN100365934C/zh not_active Expired - Fee Related
- 2003-12-02 WO PCT/JP2003/015385 patent/WO2004051852A1/ja active Application Filing
- 2003-12-02 DE DE60336501T patent/DE60336501D1/de not_active Expired - Lifetime
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2006
- 2006-11-27 US US11/563,451 patent/US7301382B2/en not_active Expired - Fee Related
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2007
- 2007-10-24 US US11/877,730 patent/US8004334B2/en not_active Expired - Fee Related
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2011
- 2011-06-03 JP JP2011125587A patent/JP5568510B2/ja not_active Expired - Fee Related
- 2011-08-19 US US13/213,483 patent/US8212600B2/en not_active Expired - Fee Related
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2012
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US4691189A (en) | 1986-05-23 | 1987-09-01 | Rca Corporation | Comparator with cascaded latches |
JPH04264814A (ja) | 1991-02-19 | 1992-09-21 | Mitsubishi Electric Corp | 半導体装置 |
JPH0594159A (ja) * | 1991-04-26 | 1993-04-16 | Matsushita Electric Ind Co Ltd | 液晶駆動装置 |
JPH07273616A (ja) * | 1994-03-29 | 1995-10-20 | Kawasaki Steel Corp | チョッパ型コンパレータ |
EP0695035A1 (fr) | 1994-07-18 | 1996-01-31 | THOMSON multimedia | Convertisseurs A/N à comparaison multiple utilisant le principe d'interpolation |
EP0903722A2 (en) | 1997-09-10 | 1999-03-24 | Sony Corporation | Data driver for an active liquid crystal display device |
JPH11184440A (ja) * | 1997-12-25 | 1999-07-09 | Sony Corp | 液晶表示装置の駆動回路 |
Non-Patent Citations (1)
Title |
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See also references of EP1569342A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005300897A (ja) * | 2004-04-12 | 2005-10-27 | Seiko Epson Corp | 画素回路の駆動方法、画素回路、電気光学装置および電子機器 |
CN107248395A (zh) * | 2011-10-18 | 2017-10-13 | 精工爱普生株式会社 | 电光学装置的驱动方法 |
US11164621B2 (en) | 2017-08-24 | 2021-11-02 | Semiconductor Energy Laboratory Co., Ltd. | Sense amplifier, semiconductor device, operation method thereof, and electronic device |
US12040009B2 (en) | 2017-08-24 | 2024-07-16 | Semiconductor Energy Laboratory Co., Ltd. | Sense amplifier, semiconductor device, operation method thereof, and electronic device |
Also Published As
Publication number | Publication date |
---|---|
CN100365934C (zh) | 2008-01-30 |
US20120262206A1 (en) | 2012-10-18 |
JP5568510B2 (ja) | 2014-08-06 |
US7142030B2 (en) | 2006-11-28 |
EP1569342A1 (en) | 2005-08-31 |
US20110304605A1 (en) | 2011-12-15 |
JPWO2004051852A1 (ja) | 2006-04-06 |
US7301382B2 (en) | 2007-11-27 |
JP2011239411A (ja) | 2011-11-24 |
US8004334B2 (en) | 2011-08-23 |
DE60336501D1 (de) | 2011-05-05 |
US8710887B2 (en) | 2014-04-29 |
US20070085586A1 (en) | 2007-04-19 |
AU2003284526A1 (en) | 2004-06-23 |
US20040257136A1 (en) | 2004-12-23 |
KR101062241B1 (ko) | 2011-09-05 |
US20080094340A1 (en) | 2008-04-24 |
JP4841839B2 (ja) | 2011-12-21 |
TW200500829A (en) | 2005-01-01 |
KR20050072147A (ko) | 2005-07-08 |
EP1569342A4 (en) | 2008-06-04 |
EP1569342B1 (en) | 2011-03-23 |
CN1720662A (zh) | 2006-01-11 |
US8212600B2 (en) | 2012-07-03 |
TWI321714B (ja) | 2010-03-11 |
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