WO2021249130A1 - 复用电路、方法、复用模组和显示装置 - Google Patents
复用电路、方法、复用模组和显示装置 Download PDFInfo
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- WO2021249130A1 WO2021249130A1 PCT/CN2021/094234 CN2021094234W WO2021249130A1 WO 2021249130 A1 WO2021249130 A1 WO 2021249130A1 CN 2021094234 W CN2021094234 W CN 2021094234W WO 2021249130 A1 WO2021249130 A1 WO 2021249130A1
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004146 energy storage Methods 0.000 claims abstract description 43
- 239000003990 capacitor Substances 0.000 claims description 22
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000010409 thin film Substances 0.000 description 5
- 238000004088 simulation Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001621 AMOLED Polymers 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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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
- 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
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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
- G09G2310/0297—Special arrangements with multiplexing or demultiplexing of display data in the drivers for data electrodes, in a pre-processing circuitry delivering display data to said drivers or in the matrix panel, e.g. multiplexing plural data signals to one D/A converter or demultiplexing the D/A converter output to multiple columns
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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
- G09G2310/08—Details of timing specific for flat panels, other than clock recovery
Definitions
- the present disclosure relates to the field of multiplexing technology, and in particular to a multiplexing circuit, method, multiplexing module, and display device.
- the current more mature technologies include liquid crystal display technology and active matrix OLED (organic light emitting diode) display technology.
- OLED organic light emitting diode
- the general technology of OLED display products is to excite spectra of various wavelengths through the direct recombination of electrons and holes to form patterns.
- the display device formed by the OLED display technology has a fast response speed and can maximize the contrast. Therefore, the OLED display device is expected to become the mainstream display product of the next generation.
- an OLED display device includes a display panel, a gate driving device, a data driver, and a timing controller.
- the display panel includes data lines, gate lines, and pixels controlled by them.
- the usual working mode is that when a gate drive signal is provided to the gate line, a row of pixels is provided with the data voltage of the data line. The pixels are based on the data voltage. The size emits light of different brightness.
- the gate driving device is used to provide gate signals to the gate lines, and the gate driving device includes a separate gate driving integrated circuit or a panel gate driving circuit.
- an embodiment of the present disclosure provides a multiplexing circuit, including N multiplexing unit circuits, N energy storage unit circuits, and N control unit circuits; N is an integer greater than 1;
- the control terminal of the n-th multiplexing unit circuit is electrically connected to the n-th control terminal, the first terminal of the n-th multiplexing unit circuit is electrically connected to the n-th output data line, and the second terminal of the n-th multiplexing unit circuit is Electrically connected to the input data line, the n-th multiplexing unit circuit is used to turn on or disconnect the n-th output data line and the input data line under the control of the potential of the n-th control terminal connect;
- the first end of the nth energy storage unit circuit is electrically connected to the nth clock signal end, the second end of the nth energy storage unit circuit is electrically connected to the nth control end, and the nth energy storage unit circuit is used for Controlling the potential of the n-th control terminal according to the n-th clock signal; the n-th clock signal terminal is used to provide the n-th clock signal;
- the n-th control unit circuit is electrically connected to the control voltage terminal, the n-th control terminal, and the n-th switch control line, and is configured to turn on or off the n-th control terminal according to the control voltage signal and the n-th switch control signal Connection with the nth switch control line; the control voltage terminal is used to provide the control voltage signal; the nth switch control line is used to provide the nth switch control signal;
- n is a positive integer less than or equal to N.
- the nth energy storage unit circuit includes an nth storage capacitor
- the first end of the nth storage capacitor is electrically connected to the nth clock signal end, and the second end of the nth storage capacitor is electrically connected to the nth control end.
- the nth control unit circuit includes an nth control transistor
- the control electrode of the nth control transistor is electrically connected to the control voltage terminal, the first electrode of the nth control transistor is electrically connected to the nth switch control line, and the second electrode of the nth control transistor is electrically connected to the The nth control terminal is electrically connected.
- the nth control transistor is an n-type transistor, and the control voltage signal is a high voltage signal; or,
- the nth control transistor is a p-type transistor, and the control voltage signal is a low voltage signal.
- the n-th multiplexing unit circuit includes an n-th multiplexing transistor
- the control electrode of the n-th multiplexing transistor is electrically connected to the n-th control terminal, the first electrode of the n-th multiplexing transistor is electrically connected to the n-th output data line, and the second electrode of the n-th multiplexing transistor is electrically connected to The input data line is electrically connected.
- an embodiment of the present invention also provides a multiplexing method, which is applied to the above multiplexing circuit, and the multiplexing method includes:
- the n-th multiplexing unit circuit conducts or disconnects the connection between the n-th output data line and the input data line under the control of the potential of the n-th control terminal;
- the n-th energy storage unit circuit controls the potential of the n-th control terminal according to the n-th clock signal
- the nth control unit circuit conducts or disconnects the connection between the nth control terminal and the nth switch control line according to the control voltage signal and the nth switch control signal;
- N is an integer greater than 1, and n is a positive integer less than or equal to N.
- the multiplexing method described in at least one embodiment of the present invention specifically includes:
- the n-th switch control line provides the first voltage signal, the potential of the n-th clock signal changes from the second voltage to the first voltage, the n-th energy storage unit circuit changes the potential of the n-th control terminal accordingly, and the n-th multiplexing unit circuit is in the n-th Under the control of the potential of the control terminal, the connection between the nth output data line and the input data line is turned on; the nth control unit circuit disconnects the nth control terminal from the nth switch control signal according to the control voltage signal and the nth switch control signal. Connection between the nth switch control lines;
- the potential of the n-th clock signal changes from the first voltage to the second voltage
- the n-th switch control line provides the second voltage signal
- the n-th energy storage unit circuit changes the potential of the n-th control terminal accordingly
- the n-th control unit circuit is based on the control voltage signal
- the n-th switch control signal to turn on the connection between the n-th control terminal and the n-th switch control line to control the discharge of the n-th control terminal, and the potential of the n-th multiplexing unit circuit at the n-th control terminal Under the control of, disconnect the connection between the nth output data line and the input data line.
- the n-th control transistor included in the n-th control unit circuit is an n-type transistor
- the n-th multiplexing transistor included in the n-th multiplexing unit circuit is an n-type transistor
- the first voltage is a high voltage
- the second voltage Is low voltage
- the n-th control transistor is a p-type transistor
- the n-th multiplexing transistor is a p-type transistor
- the first voltage is a low voltage
- the second voltage is a high voltage.
- the embodiments of the present disclosure also provide a multiplexing module, including a plurality of the above multiplexing circuits.
- an embodiment of the present disclosure also provides a display device, including the aforementioned multiplexing module.
- FIG. 1 is a structural diagram of an n-th multiplexing unit circuit included in a multiplexing circuit according to at least one embodiment of the present disclosure
- FIG. 2 is a circuit diagram of at least one embodiment of the nth multiplexing unit
- FIG. 3 is a working sequence diagram of at least one embodiment of the nth multiplexing unit
- FIG. 5 is a circuit diagram of a multiplexing circuit according to at least one embodiment of the present disclosure.
- FIG. 6 is a working sequence diagram of the multiplexing circuit according to at least one embodiment of the present disclosure.
- FIG. 7 is a circuit diagram of the multiplexing module according to at least one embodiment of the present disclosure.
- the transistors used in all the embodiments of the present disclosure may be triodes, thin film transistors or field effect transistors or other devices with the same characteristics.
- one of the poles is called the first pole, and the other pole is called the second pole.
- the control electrode when the transistor is a triode, can be a base electrode, the first electrode can be a collector, and the second electrode can be an emitter; or, the control electrode can be a base.
- the first electrode may be an emitter electrode, and the second electrode may be a collector electrode.
- the control electrode when the transistor is a thin film transistor or a field effect transistor, the control electrode may be a gate, the first electrode may be a drain, and the second electrode may be a source; or The control electrode may be a gate, the first electrode may be a source, and the second electrode may be a drain.
- the multiplexing circuit described in the embodiment of the present disclosure includes N multiplexing unit circuits, N energy storage unit circuits, and N control unit circuits; N is an integer greater than 1;
- the control terminal of the n-th multiplexing unit circuit 11 is electrically connected to the n-th control terminal Qn, and the first terminal of the n-th multiplexing unit circuit 11 is electrically connected to the n-th output data line D1n.
- the second terminal of the n-th multiplexing unit circuit 11 is electrically connected to the input data line D2, and the n-th multiplexing unit circuit 11 is used to turn on or off the n-th control terminal Qn under the control of the potential of the n-th control terminal Qn.
- the first terminal of the n-th energy storage unit circuit 12 is electrically connected to the n-th clock signal terminal Kn, the second terminal of the n-th energy storage unit circuit 12 is electrically connected to the n-th control terminal Qn, and the n-th energy storage unit circuit 12 is electrically connected to the n-th control terminal Qn.
- the energy unit circuit 12 is used to control the potential of the n-th control terminal Qn according to the n-th clock signal; the n-th clock signal terminal Kn is used to provide the n-th clock signal;
- the n-th control unit circuit 13 is electrically connected to the control voltage terminal V0, the n-th control terminal Qn, and the n-th switch control line Sn, respectively, for turning on or off the control voltage signal and the n-th switch control signal.
- the connection between the nth control terminal Qn and the nth switch control line Sn; the control voltage terminal V0 is used to provide the control voltage signal; the nth switch control line Sn is used to provide the nth switch control signal;
- n is a positive integer less than or equal to N.
- the input data line is used to provide an n-th input data voltage.
- the multiplexing circuit can further increase or decrease according to the nth clock signal through the nth energy storage unit circuit and the nth control unit circuit when the nth switch control line provides the first voltage signal.
- the potential of the nth control terminal improves the output capability of the nth multiplexing unit circuit.
- the multiplexing circuit when the transistor included in the n-th multiplexing unit circuit is an n-type transistor, the multiplexing circuit can further increase the potential of the n-th control terminal to increase the n-th multiplexing unit circuit. Output capacity;
- the multiplexing circuit can further reduce the potential of the n-th control terminal to improve the output capability of the n-th multiplexing unit circuit.
- the first voltage signal when the transistor included in the n-th multiplexing unit circuit is an n-type transistor, the first voltage signal may be a high voltage signal, but is not limited to this;
- the first voltage signal when the transistor included in the n-th multiplexing unit circuit is a p-type transistor, the first voltage signal may be a low voltage signal, but is not limited to this.
- the n-th switch control line Sn provides the first voltage signal
- the potential of the n-th clock signal changes from the second voltage to the first voltage
- the n-th energy storage unit circuit 12 changes the potential of the n-th control terminal Qn accordingly
- the n-th multiplexing unit Under the control of the potential of the n-th control terminal Qn, the circuit 11 turns on the connection between the n-th output data line D1n and the input data line D2; the n-th control unit circuit 13 turns off according to the control voltage signal and the n-th switch control signal. Open the connection between the nth control terminal Qn and the nth switch control line Sn;
- the potential of the nth clock signal changes from the first voltage to the second voltage
- the nth switch control line Sn provides the second voltage signal
- the nth energy storage unit circuit 12 changes the potential of the nth control terminal Qn accordingly
- the nth control unit circuit 13 According to the control voltage signal and the n-th switch control signal, the connection between the n-th control terminal Qn and the n-th switch control line Sn is turned on to control the discharge of the n-th control terminal Qn, and the n-th multiplexing
- the unit circuit 11 disconnects the connection between the n-th output data line D1n and the input data line D2 under the control of the potential of the n-th control terminal Qn.
- the second voltage signal when the transistor included in the n-th multiplexing unit circuit is an n-type transistor, the second voltage signal may be a low voltage, but is not limited to this;
- the second voltage when the transistor included in the n-th multiplexing unit circuit is a p-type transistor, the second voltage may be a high voltage, but it is not limited thereto.
- the n-th energy storage unit circuit may include an n-th storage capacitor
- the first end of the nth storage capacitor is electrically connected to the nth clock signal end, and the second end of the nth storage capacitor is electrically connected to the nth control end.
- the nth control unit circuit includes an nth control transistor
- the control electrode of the nth control transistor is electrically connected to the control voltage terminal, the first electrode of the nth control transistor is electrically connected to the nth switch control line, and the second electrode of the nth control transistor is electrically connected to the The nth control terminal is electrically connected.
- the nth control transistor is an n-type transistor, and the control voltage signal is a high voltage signal; or,
- the nth control transistor is a p-type transistor, and the control voltage signal is a low voltage signal.
- the n-th multiplexing unit circuit includes an n-th multiplexing transistor
- the control electrode of the n-th multiplexing transistor is electrically connected to the n-th control terminal, the first electrode of the n-th multiplexing transistor is electrically connected to the n-th output data line, and the second electrode of the n-th multiplexing transistor is electrically connected to The input data line is electrically connected.
- the n-th energy storage unit circuit 12 includes an n-th storage capacitor Cn;
- the first terminal of the n-th storage capacitor Cn is electrically connected to the n-th clock signal terminal Kn, and the second terminal of the n-th storage capacitor Cn is electrically connected to the n-th control terminal Qn;
- the nth control unit circuit 13 includes an nth control transistor Tdn;
- the control electrode of the nth control transistor Tdn is electrically connected to the control voltage terminal V0, the source electrode of the nth control transistor Tdn is electrically connected to the nth switch control line Sn, and the drain electrode of the nth control transistor Tdn Electrically connected to the nth control terminal Qn;
- the n-th multiplexing unit circuit 11 includes an n-th multiplexing transistor Twn;
- the gate of the n-th multiplexing transistor Twn is electrically connected to the n-th control terminal Qn, the source of the n-th multiplexing transistor Twn is electrically connected to the n-th output data line D1n, and the n-th multiplexing transistor Twn The drain is electrically connected to the input data line D2.
- control voltage provided by the control voltage terminal V0 may be a high DC voltage, but it is not limited thereto. In actual operation, the voltage value of the DC high voltage should not be higher than the high voltage value of the nth switch control signal on the nth switch control line.
- the high voltage value of the nth switch control signal refers to the voltage value of the nth switch control signal when the nth switch control signal is a high voltage signal.
- all the transistors are n-type thin film transistors, but not limited to this.
- the transistor may be an n-type transistor or a p-type transistor.
- Sn provides a high voltage
- the potential of the nth clock signal provided by Kn changes from a low voltage to a high voltage. Due to the existence of Cn, the potential of Qn is coupled to a higher voltage.
- the gate voltage of Tdn is consistent with the high voltage provided by Sn.
- Tdn is in the off state, and the higher potential of Qn can be maintained to increase the driving ability of Twn.
- Twn is on, and D2 provides the nth input data voltage to D1n.
- the rising edge time of the output data voltage on D1n is reduced, that is, the nth input data voltage can be transmitted to D1n faster;
- the potential of the nth clock signal provided by Kn changes from a high voltage to a low voltage, Sn provides a low voltage signal, and Cn pulls down the potential of Qn accordingly to control Tdn to turn on and discharge the potential of Qn, and Twn to turn off to disconnect D1n The connection with D2.
- FIG. 4 is a simulation diagram of the working sequence of at least one embodiment of the multiplexing circuit shown in FIG. 2 of the present disclosure. After simulation, it can be seen that the rise time of the output data voltage on D1n is 0.056us, while the output of the existing multiplexing circuit The rise time of the data voltage is 0.77us.
- N is equal to 2.
- the multiplexing circuit described in at least one embodiment of the present disclosure includes a first multiplexing unit circuit, a first energy storage unit circuit, a first control unit circuit, a second multiplexing unit circuit, A second energy storage unit circuit and a second control unit circuit;
- the first energy storage unit circuit includes a first storage capacitor C1;
- the first terminal of the first storage capacitor C1 is electrically connected to the first clock signal terminal K1, and the second terminal of the first storage capacitor C1 is electrically connected to the first control terminal Q1;
- the first control unit circuit includes a first control transistor Td1;
- the gate of the first control transistor Td1 is electrically connected to the control voltage terminal V0, the source of the first control transistor Td1 is electrically connected to the first switch control line S1, and the drain of the first control transistor Td1 Electrically connected to the first control terminal Q1;
- the first multiplexing unit circuit includes a first multiplexing transistor Tw1;
- the gate of the first multiplexing transistor Tw1 is electrically connected to the first control terminal Q1, the source of the first multiplexing transistor Tw1 is electrically connected to the first output data line D11, and the first multiplexing transistor Tw1 The drain is electrically connected to the input data line D2;
- the second energy storage unit circuit includes a second storage capacitor C2;
- the first terminal of the second storage capacitor C2 is electrically connected to the second clock signal terminal K2, and the second terminal of the second storage capacitor C2 is electrically connected to the second control terminal Q2;
- the second control unit circuit includes a second control transistor Td2;
- the gate of the second control transistor Td2 is electrically connected to the high voltage terminal, the source of the second control transistor Td2 is electrically connected to the second switch control line S2, and the drain of the second control transistor Td2 is electrically connected to the The second control terminal Q2 is electrically connected;
- the second multiplexing unit circuit includes a second multiplexing transistor Tw2;
- the gate of the second multiplexing transistor Tw2 is electrically connected to the second control terminal Q2, the source of the second multiplexing transistor Tw2 is electrically connected to the second output data line D12, and the second multiplexing transistor Tw2 The drain is electrically connected to the input data line D2.
- all the transistors are n-type thin film transistors, but not limited to this.
- the first switch control line S1 is used to provide a first switch control signal
- the second switch control line S2 is used to provide a second switch control signal
- control voltage provided by the control voltage terminal V0 may be a high DC voltage, but is not limited to this.
- the voltage value of the direct current high voltage should not be higher than the high voltage value of the first switch control signal, and the voltage value of the direct current high voltage should not be higher than the high voltage value of the second switch control signal.
- S1 provides a high voltage
- the potential of the first clock signal provided by K1 changes from a low voltage to a high voltage. Due to the existence of C1, the potential of Q1 is coupled to a higher voltage, and the gate voltage of Td1 is The high voltage provided by S1 is the same.
- the gate-source voltage of Td1 is close to 0V, Td1 is in the off state, and the higher potential of Q1 can be maintained to improve the driving ability of Tw1.
- Tw1 is turned on, and D2 provides the first input data voltage to D11;
- S2 provides a low voltage
- K2 provides a low voltage
- Td2 is turned on
- Q2 is a low voltage
- Tw2 is turned off to disconnect the connection between D12 and D2;
- S2 provides a high voltage
- the potential of the second clock signal provided by K2 changes from a low voltage to a high voltage. Due to the presence of C2, the potential of Q2 is coupled to a higher voltage, and the gate voltage of Td2 is The high voltage provided by S2 is the same. At this time, the gate-source voltage of Td2 is close to 0V, Td2 is in the off state, and the higher potential of Q2 can be maintained to improve the driving ability of Tw2.
- Tw2 is turned on, and D2 provides the second input data voltage to D12;
- S1 provides a low voltage
- K1 provides a low voltage
- Td1 is turned on
- the potential of Q1 is a low voltage
- Tw1 is turned off to disconnect the connection between D11 and D2.
- the multiplexing method described in the embodiment of the present disclosure is applied to the aforementioned multiplexing circuit, and the multiplexing method includes:
- the n-th multiplexing unit circuit conducts or disconnects the connection between the n-th output data line and the input data line under the control of the potential of the n-th control terminal;
- the n-th energy storage unit circuit controls the potential of the n-th control terminal according to the n-th clock signal
- the nth control unit circuit conducts or disconnects the connection between the nth control terminal and the nth switch control line according to the control voltage signal and the nth switch control signal;
- N is an integer greater than 1, and n is a positive integer less than or equal to N.
- the nth energy storage unit circuit and the nth control unit can be used to further increase or decrease according to the nth clock signal.
- the potential of the nth control terminal improves the output capability of the nth multiplexing unit circuit.
- the multiplexing method may specifically include:
- the n-th switch control line provides the first voltage signal, the potential of the n-th clock signal changes from the second voltage to the first voltage, the n-th energy storage unit circuit changes the potential of the n-th control terminal accordingly, and the n-th multiplexing unit circuit is in the n-th Under the control of the potential of the control terminal, the connection between the nth output data line and the input data line is turned on; the nth control unit circuit disconnects the nth control terminal from the nth switch control signal according to the control voltage signal and the nth switch control signal. Connection between the nth switch control lines;
- the potential of the n-th clock signal changes from the first voltage to the second voltage
- the n-th switch control line provides the second voltage signal
- the n-th energy storage unit circuit changes the potential of the n-th control terminal accordingly
- the n-th control unit circuit is based on the control voltage signal
- the n-th switch control signal to turn on the connection between the n-th control terminal and the n-th switch control line to control the discharge of the n-th control terminal, and the potential of the n-th multiplexing unit circuit at the n-th control terminal Under the control of, disconnect the connection between the nth output data line and the input data line.
- the n-th control transistor included in the n-th control unit circuit is an n-type transistor
- the n-th multiplexing transistor included in the n-th multiplexing unit circuit is an n-type transistor
- the first voltage is a high voltage
- the second voltage Is low voltage
- the n-th control transistor is a p-type transistor
- the n-th multiplexing transistor is a p-type transistor
- the first voltage is a low voltage
- the second voltage is a high voltage.
- the multiplexing module in the embodiment of the present disclosure includes a plurality of the aforementioned multiplexing circuits.
- the multiplexing module described in at least one embodiment of the present disclosure includes two multiplexing circuits described in at least one embodiment of the present disclosure as an example;
- the multiplexing module includes a first multiplexing circuit and a second multiplexing circuit
- the first multiplexing circuit includes a first multiplexing unit circuit, a first energy storage unit circuit, a first control unit circuit, a second multiplexing unit circuit, a second energy storage unit circuit, and a second control unit circuit;
- the first energy storage unit circuit includes a first first storage capacitor C11;
- the first terminal of C11 is electrically connected to the first clock signal terminal K1, and the second terminal of C11 is electrically connected to the first first control terminal Q11;
- the first control unit circuit includes a first first control transistor Td11;
- the gate of Td11 is electrically connected to the control voltage terminal V0, the source of Td1 is electrically connected to the first switch control line S1, and the drain of Td1 is electrically connected to Q11;
- the first multiplexing unit circuit includes a first first multiplexing transistor Tw11;
- the gate of Tw11 is electrically connected to Q11, the source of Tw11 is electrically connected to the first first output data line D111, and the drain of Tw11 is electrically connected to the first input data line D21;
- the second energy storage unit circuit includes a first second storage capacitor C12;
- the first terminal of C12 is electrically connected to the second clock signal terminal K2, and the second terminal of C12 is electrically connected to the first second control terminal Q12;
- the second control unit circuit includes a first and second control transistor Td12;
- Td12 The gate of Td12 is electrically connected to the high voltage terminal, the source of Td12 is electrically connected to the second switch control line S2, and the drain of Td12 is electrically connected to Q12;
- the second multiplexing unit circuit includes a first second multiplexing transistor Tw12;
- the gate of Tw12 is electrically connected to Q12, the source of Tw12 is electrically connected to the first second output data line D112, and the drain of Tw12 is electrically connected to the first input data line D21;
- the second multiplexing circuit includes a third multiplexing unit circuit, a third energy storage unit circuit, a third control unit circuit, a fourth multiplexing unit circuit, a fourth energy storage unit circuit, and a fourth control unit circuit;
- the third energy storage unit circuit includes a second first storage capacitor C21;
- the first terminal of C21 is electrically connected to the first clock signal terminal K1, and the second terminal of C21 is electrically connected to the second first control terminal Q21;
- the third control unit circuit includes a second first control transistor Td21;
- Td21 is electrically connected to the control voltage terminal V0, the source of Td2 is electrically connected to the first switch control line S1, and the drain of Td21 is electrically connected to Q21;
- the third multiplexing unit circuit includes a second first multiplexing transistor Tw21;
- the gate of Tw21 is electrically connected to Q21, the source of Tw21 is electrically connected to the second first output data line D121, and the drain of Tw21 is electrically connected to the second input data line D22;
- the fourth energy storage unit circuit includes a second second storage capacitor C22;
- the first terminal of C22 is electrically connected to the second clock signal terminal K2, and the second terminal of C22 is electrically connected to the second second control terminal Q22;
- the second control unit circuit includes a second second control transistor Td22;
- the gate of Td22 is electrically connected to the high voltage terminal, the source of Td22 is electrically connected to the second switch control line S2, and the drain of Td22 is electrically connected to Q22;
- the fourth multiplexing unit circuit includes a second second multiplexing transistor Tw22;
- the gate of Tw22 is electrically connected to Q22, the source of Tw22 is electrically connected to the second second output data line D122, and the drain of Tw22 is electrically connected to the second input data line D22.
- all the transistors are n-type thin film transistors, but not limited to this.
- the first switch control line S1 is used to provide a first switch control signal
- the second switch control line S2 is used to provide a second switch control signal
- control voltage provided by the control voltage terminal V0 may be a high DC voltage, but is not limited to this.
- the voltage value of the direct current high voltage should not be higher than the high voltage value of the first switch control signal, and the voltage value of the direct current high voltage should not be higher than the high voltage value of the second switch control signal.
- the display device described in the embodiment of the present disclosure includes the multiplexing module described in the embodiment of the present disclosure.
- the display device may be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
- a display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
- Electronic Switches (AREA)
Abstract
Description
Claims (10)
- 一种复用电路,包括N个复用单元电路、N个储能单元电路和N个控制单元电路;N为大于1的整数;第n复用单元电路的控制端与第n控制端电连接,所述第n复用单元电路的第一端与第n输出数据线电连接,所述第n复用单元电路的第二端与输入数据线电连接,所述第n复用单元电路用于在所述第n控制端的电位的控制下,导通或断开所述第n输出数据线与所述输入数据线之间的连接;第n储能单元电路的第一端与第n时钟信号端电连接,所述第n储能单元电路的第二端与所述第n控制端电连接,所述第n储能单元电路用于根据第n时钟信号,控制第n控制端的电位;所述第n时钟信号端用于提供所述第n时钟信号;第n控制单元电路分别与控制电压端、所述第n控制端和第n开关控制线电连接,用于根据控制电压信号和第n开关控制信号,导通或断开所述第n控制端与所述第n开关控制线之间的连接;所述控制电压端用于提供所述控制电压信号;所述第n开关控制线用于提供所述第n开关控制信号;n为小于或等于N的正整数。
- 如权利要求1所述的复用电路,其中,所述第n储能单元电路包括第n存储电容;第n存储电容的第一端与第n时钟信号端电连接,所述第n存储电容的第二端与所述第n控制端电连接。
- 如权利要求1所述的复用电路,其中,所述第n控制单元电路包括第n控制晶体管;所述第n控制晶体管的控制极与所述控制电压端电连接,所述第n控制晶体管的第一极与所述第n开关控制线电连接,所述第n控制晶体管的第二极与所述第n控制端电连接。
- 如权利要求3所述的复用电路,其中,所述第n控制晶体管为n型晶体管,所述控制电压信号为高电压信号;或者,所述第n控制晶体管为p型晶体管,所述控制电压信号为低电压信号。
- 如权利要求1所述的复用电路,其中,第n复用单元电路包括第n复用晶体管;所述第n复用晶体管的控制极与第n控制端电连接,所述第n复用晶体管的第一极与第n输出数据线电连接,所述第n复用晶体管的第二极与输入数据线电连接。
- 一种复用方法,应用于如权利要求1至5中任一权利要求所述的复用电路,所述复用方法包括:第n复用单元电路在第n控制端的电位的控制下,导通或断开第n输出数据线与输入数据线之间的连接;第n储能单元电路根据第n时钟信号,控制第n控制端的电位;第n控制单元电路根据控制电压信号和第n开关控制信号,导通或断开所述第n控制端与所述第n开关控制线之间的连接;N为大于1的整数,n为小于或等于N的正整数。
- 如权利要求6所述的复用方法,其中,所述复用方法具体包括:第n开关控制线提供第一电压信号,第n时钟信号的电位由第二电压变为第一电压,第n储能单元电路相应改变第n控制端的电位,第n复用单元电路在第n控制端的电位的控制下,导通第n输出数据线与输入数据线之间的连接;第n控制单元电路根据控制电压信号和第n开关控制信号,断开所述第n控制端与所述第n开关控制线之间的连接;第n时钟信号的电位由第一电压变为第二电压,第n开关控制线提供第二电压信号,第n储能单元电路相应改变第n控制端的电位,第n控制单元电路根据控制电压信号和第n开关控制信号,导通所述第n控制端与所述第n开关控制线之间的连接,以控制对第n控制端进行放电,第n复用单元电路在第n控制端的电位的控制下,断开第n输出数据线与输入数据线之间的连接。
- 如权利要求7所述的复用方法,其中,所述第n控制单元电路包括的第n控制晶体管为n型晶体管,第n复用单元电路包括的第n复用晶体管为n型晶体管,第一电压为高电压,第二电压为低电压;或者,所述第n控制晶体管为p型晶体管,所述第n复用晶体管为p型晶体管, 第一电压为低电压,第二电压为高电压。
- 一种复用模组,包括多个如权利要求1至5中任一权利要求所述的复用电路。
- 一种显示装置,包括如权利要求9所述的复用模组。
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CN111554237B (zh) | 2021-10-15 |
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