TWI730722B - Driving device and display device - Google Patents

Abstract

A driving device includes plural stages of shift register circuit. The shift register circuits are coupled in series in order, wherein each of the shift register circuits includes a logic unit, an output unit and a switch unit. The logic unit is configured to operate according to a pre-stage shift register signal. The output unit includes a first output switch and a second output switch. A control terminal of the first output switch is coupled to the logic unit at a first node. A first terminal of the first output switch is configured to output a current-stage shift register signal. A control terminal of the second output switch is coupled to the logic unit at a second node. A first terminal of the second output switch coupled to the first terminal of the first output switch. The switch unit is configured to be turned on according to a switch signal, and turn off at least one of the first output switch and the second output switch when the switch unit is turned on.

Description

Drive device and display device

The present invention relates to a display technology, in particular to a driving device and a display device of a display panel.

When the shift temporary storage circuit in the display device is abnormal due to electrostatic discharge, crush damage during joining, or other reasons, laser cutting is performed to disconnect the electrical coupling between the shift temporary storage circuit and the display device However, laser cutting is a destructive process. It requires digging holes in the metal layer, and laser cutting may fail. All of the above factors may cause the quality of the panel to deteriorate. Therefore, handling the abnormality of the shift register circuit by means other than laser cutting is one of the important issues in the field.

An embodiment of this case discloses a driving device including a plurality of stages of shift register circuits. The shift register circuits are sequentially coupled in series, and each of the shift register circuits includes a logic unit, an output unit, and a switch unit. The logic unit is used for operating at least according to a previous stage shift register signal. The output unit includes a first output switch and a second output switch. A control terminal of the first output switch is coupled to the logic unit at a first node, and a first terminal of the first output switch is used for outputting a local shift register signal. A control terminal of the second output switch is coupled to the logic unit at a second node, and a first terminal of the second output switch is coupled to the first terminal of the first output switch. The switch unit is used to turn on according to a switch signal, and turn off at least one of the first output switch and the second output switch when it is turned on.

A display device includes a group of first shift temporary storage circuits and a group of second shift temporary storage circuits. Each first shift register circuit in the group of first shift register circuits includes a first logic unit, a first output switch, a second output switch, and a first switch unit. The first logic unit is used for operating at least according to a first previous stage shift register signal. A first terminal of the first output switch is used to output a first local shift register signal. A first end of the second output switch is coupled to the first end of the first output switch. The first switch unit is used to turn on according to a first switch signal, and turn off at least one of the first output switch and the second output switch when it is turned on. Each second shift register circuit in the group of second shift register circuits includes a second logic unit, a third output switch, and a second switch unit. The second logic unit is used for operating at least according to a second previous stage shift register signal. A first end of the third output switch is used to output a second local shift register signal. A first end of the fourth output switch is coupled to the first end of the third output switch. The second switch unit is used to turn on according to a second switch signal, and turn off at least one of the third output switch and the fourth output switch when it is turned on.

In this text, when a component is referred to as “connected” or “coupled”, it can be referred to as “electrically connected” or “electrically coupled”. "Connected" or "coupled" can also be used to mean that two or more components cooperate or interact with each other. In addition, although terms such as “first”, “second”, etc. are used herein to describe different elements, the terms are only used to distinguish elements or operations described in the same technical terms. Unless the context clearly indicates, the terms do not specifically refer to or imply order or sequence, nor are they used to limit the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted as having meanings consistent with their meanings in the context of related technologies and the present invention, and will not be interpreted as idealized or excessive The formal meaning, unless explicitly defined as such in this article.

Hereinafter, multiple implementation modes of this case will be disclosed in schematic form. For the sake of clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the case. That is to say, in some implementations of the present disclosure, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventionally used structures and elements are shown in the drawings in a simple and schematic manner.

Fig. 1 is a schematic diagram of a display device according to an embodiment of the present invention. Referring to FIG. 1, the display device 100 includes a driving device 110, light emitting devices E(1) to E(n), and gate lines GL(1) to GL(n). In some embodiments, the driving device 110 is coupled to the light-emitting devices E(1)-E(n) and other driving devices via gate lines GL(1)-GL(n), where n is a positive integer. In some embodiments, the driving device 110 is used to provide gate signals to the light emitting devices E(1)˜E(n).

In some embodiments, the driving device 110 is designed in the active area of the display device 100. In some embodiments, the driving device 110 includes a plurality of gate array (Gate On Array) circuits. In some embodiments, the driving device 110 includes a plurality of shift register circuits. In some embodiments, the light-emitting devices E(1)-E(n) include light-emitting diodes or other types of light-emitting elements.

FIG. 2 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. Please refer to FIG. 2 and FIG. 1, the driving device 200 is an embodiment of the driving device 110, and the driving device 200 includes a driving unit 210 and a driving unit 220. In some embodiments, the driving unit 210 includes a multi-stage shift register circuit G(1,1)~G(1,n), and the driving unit 220 includes a multi-stage shift register circuit G(2,1)~G (2,n). In some embodiments, the n-th stage shift register circuit G(1, n) in the driving unit 210 is the shift register circuit 211.

In some embodiments, the driving unit 210 is a repair unit of the driving unit 220. In some embodiments, the driving unit 220 is a repair unit of the driving unit 210. In some embodiments, the driving unit 210 (or the driving unit 220) is turned off when abnormal. At this time, the driving unit 220 (or the driving unit 210) as a repair unit is used to provide a normal signal to the gate line GL(1)~ GL(n) enables the display device 100 to operate normally.

In some embodiments, the switch signal SW(1,1) and the switch signal SW(2,1) are respectively used to turn off the shift register circuits G(1,1)~G(1,n) and the shift register Circuit G(2,1)~G(2,n). In some embodiments, the switch signal SW(1,1) and the switch signal SW(2,1) are provided to the shift register circuit G( 1,1)~G(1,n) and shift register circuit G(2,1)~G(2,n).

In some embodiments, the shift register circuit G(1,1)~G(1,n) and the shift register circuit G(2,1)~G(2,n) are used to read the previous gate line Receive the shift temporary storage signal of the previous stage and output the shift temporary storage signal of the current stage to the corresponding gate line of the current stage.

For example, in some embodiments, the previous gate line corresponding to the shift register circuit G(1,2) and G(2,2) is GL(1), which corresponds to the shift register circuit G(1 ,2) and G(2,2) the gate line of this level is GL(2). The previous shift register signal of the shift register circuit G(1, 2) is the first stage shift register signal, that is, the signal S(1). The shift register signal of the current stage of the shift register circuit G(1,2) is the second stage shift register signal, that is, the signal S(2). In some embodiments, the previous shift register signal of the shift register circuit G(1, n) is the (n-1)th stage shift register signal, that is, the signal S(n-1). The shift register signal of the current stage of the shift register circuit G(1, n) is the nth stage shift register signal, that is, the signal S(n).

In some embodiments, the shift register circuit G(1,1)~G(1,n) and the shift register circuit G(2,1)~G(2,n) are used to receive the start signal STV And clock signals CK1, CK2, CK3 to perform the function of the shift register circuit normally.

FIG. 3 is a circuit diagram of the shift register circuit in the display device according to an embodiment of the present invention. Please refer to FIG. 3. FIG. 3 is a circuit diagram of the n-th stage shift register circuit 211 shown in FIG. 2. The shift register circuit 211 includes a logic unit 310, a switch unit 320, and an output unit 330.

In some embodiments, the logic unit 310 operates according to the previous stage shift temporary storage signal S(n-1). In some embodiments, the output unit 330 is used to output the shift temporary storage signal S(n) of the current stage. In some embodiments, the switch unit 320 is turned on according to the switch signal SW(1,1), and turns off one or more circuit elements in the output unit 330 when it is turned on. In some embodiments, the switch unit 320 turns off one or more circuit elements in the output unit 330 when the shift register circuit 211 is abnormal, so that the output unit 330 cannot output an abnormal signal.

In some embodiments, the logic unit 310 includes switches T1 to T5. In some embodiments, the control terminal of the switch T1 is used to receive the signal S(n-1), the first terminal of the switch T1 is used to receive the enabling voltage signal VGL (for example, a low-level voltage signal), and the first terminal of the switch T1 The two ends are coupled to the node Q'(n). In some embodiments, the control terminal of the switch T3 is coupled to the node Q'(n), the first terminal of the switch T3 is coupled to the node B(n), and the second terminal of the switch T3 is used to receive the disable voltage signal VGH (eg , High-level voltage signal). In some embodiments, the control terminal of the switch T2 and the first terminal of the switch T2 are used to receive the clock signal CK2, and the second terminal of the switch T2 is coupled to the node B(n). In some embodiments, the control terminal of the switch T5 and the first terminal of the switch T5 are used to receive the reset signal Rst, and the second terminal of the switch T5 is coupled to the node B(n). In some embodiments, the control terminal of the switch T4 is coupled to the node B(n), the first terminal of the switch T4 is coupled to the node Q'(n), and the second terminal of the switch T4 is used to receive the disable voltage signal VGH.

In some embodiments, the output unit 330 includes a switch 332, a switch 334, and a capacitor C1. In some embodiments, the control terminal of the switch 332 is coupled to the node Q(n), the first terminal of the switch 332 is used to output a local shift register signal S(n), and the second terminal of the switch 332 is used to receive Clock signal CK1. In some embodiments, the control terminal of the switch 334 is coupled to the node B(n), the first terminal of the switch 334 is coupled to the first terminal of the switch 332, and the second terminal of the switch 334 is used to receive the disable voltage signal VGH. In some embodiments, the first terminal of the capacitor C1 is coupled to the node Q(n), and the second terminal of the capacitor C1 is coupled to the first terminal of the switch 332.

In some embodiments, the switch 332 and the switch 334 are used to determine the voltage level of the signal S(n) output by the shift register circuit 211, so the switch 332 and the switch 334 are also called output switches.

In some embodiments, the output unit 330 further includes a switch T6. In some embodiments, the control terminal of the switch T6 is used to receive the enabling voltage signal VGL, the first terminal of the switch T6 is coupled to the node Q'(n), and the second terminal of the switch T6 is coupled to the node Q(n). In some embodiments, the enabling voltage signal VGL is a DC voltage signal, so the switch T6 is kept on, so that the voltage level of the node Q'(n) and the voltage level of the node Q(n) are kept equal.

In some embodiments, the switch unit 320 includes a switch 322 and a switch 324. The control terminal of the switch 322 and the control terminal of the switch 324 are used to receive the switch signal SW(1,1), the first terminal of the switch 322 and the first terminal of the switch 324 are used to receive the disable voltage signal VGH, and the second terminal of the switch 322 The terminal is coupled to the node Q'(n), and the second terminal of the switch 324 is coupled to the node B(n). In some embodiments, the second terminal of the switch 322 is coupled to the node Q(n).

In some embodiments, when the shift register circuit 211 is abnormal, the switch 322 is turned on according to the switch signal SW(1,1), and when turned on, it provides the disable voltage signal VGH to the control terminal of the switch 332 to turn off the switch 332, so that the switch unit 320 cannot output signals. In some embodiments, when the shift register circuit 211 is abnormal, the switch 324 is turned on according to the switch signal SW(1,1), and when turned on, it provides the disable voltage signal VGH to the control terminal of the switch 334 to turn off the switch 334, so that the switch unit 320 cannot output signals.

In some embodiments, the switch unit 320 includes the switch 322 but does not include the switch 324. In some embodiments, the switch unit 320 includes a switch 324 and does not include a switch 322. In some embodiments, the switch unit 320 includes a switch 322 and a switch 324.

In some embodiments, the switches 322, 324, 332, 334 and the switches T1 to T6 can be implemented by P-type metal oxide semiconductor transistors (PMOS) or N-type metal oxide semiconductor transistors (NMOS) or other circuits with switching functions. Component implementation.

FIG. 4 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. Please refer to FIG. 4. The shift register circuit 211 shown in FIG. 4 is in an abnormal state. Referring to FIGS. 3 and 4, in some embodiments, the switch unit 320 is used to receive the switch signal SW(1,1) when the shift register circuit 211 is abnormal, and according to the switch signal SW(1,1) At least one of the switch 332 and the switch 334 is turned on and turned off. In some embodiments, when the shift register circuit 211 is abnormal, the switch 322 is turned on and provides the disable voltage signal VGH to the node Q'(n) or the node Q(n), so that the switch 332 is turned off. In some embodiments, when the shift register circuit 211 is abnormal, the switch 324 is turned on and provides the disable voltage signal VGH to the node B(n), so that the switch 334 is turned off.

In some embodiments, when the shift register circuit 211 is abnormal, the switch unit 320 turns off at least one of the switch 332 and the switch 334 to prevent the abnormal signal from being output to the gate line GL(n).

FIG. 5 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. Please refer to FIG. 5 and FIG. 1, the driving device 500 is an embodiment of the driving device 110. Please refer to FIG. 5 and FIG. 2. Compared with the driving device 200, the driving device 500 includes a plurality of switch lines SL(1,2)~SL(1,n) and SL(2,2)~SL(2,m). ), respectively used to provide corresponding multiple switch signals SW(1,2)~SW(1,n) and SW(2,2)~SW(2,m) to the corresponding groups of shift register circuits, Wherein n and m are both positive integers.

Referring to Figure 5, in some embodiments, each of the switch lines SL(1,1)~SL(1,n) and SL(2,1)~SL(2,m) is coupled to one The shift register circuit corresponding to the group. In the embodiment shown in FIG. 5, each group of shift register circuits coupled to each switch line includes two shift register circuits. For example, in the embodiment shown in FIG. 5, the group of shift register circuits coupled to the switch line SL(1,1) includes shift register circuits G(1,1) and G(1, 2) The group of shift register circuits is used to receive the switch signal SW(1,1). In some embodiments, the group of shift register circuits coupled to the switch line SL(2,1) includes shift register circuits G(2,1) and G(2,2), and the group of shift register circuits The circuit is used to receive the switch signal SW(2,1). In some embodiments, the group of shift register circuits coupled to the switch line SL(1,n) includes shift register circuits G(1,2n-1) and G(1,2n), and the group shifts The temporary storage circuit is used for receiving the switch signal SW(1,n). In some embodiments, the group of shift register circuits coupled to the switch line SL(2,m) includes shift register circuits G(2,2m-1) and G(2,2m). The group shifts The temporary storage circuit is used to receive the switch signal SW(2, m).

In the embodiment shown in Figure 5, each of the switch lines SL(1,1)~SL(1,n) is coupled to each of the switch lines SL(2,1)~SL(2,m) A set of shift register circuits includes two shift register circuits, but the invention is not limited to this. In some other embodiments, each group of shift register circuits may include a different number of shift register circuits. For example, in some embodiments, the group of shift register circuits coupled to the switch line SL(1,1) includes K1 shift register circuits, which are coupled to the group of switch lines SL(1,2) The shift register circuit includes K2 shift register circuits, and so on, the group of shift register circuits coupled to the switch line SL(1,n) includes Kn shift register circuits. Similarly, in some embodiments, the group of shift register circuits coupled to the switch line SL(2,1) includes L1 shift register circuits, and the group of shift registers coupled to the switch line SL(2,2) The bit register circuit includes L2 shift register circuits, and so on, the group of shift register circuits coupled to the switch line SL(2,m) includes Lm shift register circuits, of which K1, K2,... , Kn and L1, L2..., Lm are all positive integers. In different embodiments, K1, K2,..., Kn and L1, L2,..., Lm can be the same multiple positive integers, can be different multiple positive integers, or can be multiple with the same part and different parts Positive integer.

In some embodiments, when any one of the shift register circuits in the group of shift register circuits coupled to the switch line is abnormal, the switch line provides a switch signal to turn off the group of shift register circuits All shift temporary storage circuits. In some embodiments, when a group of shift register circuits is turned off so that it is unable to output signals to the corresponding gate lines, the other group or groups of shift register circuits coupled to the gate lines operate normally to provide Normal gate signal to these gate lines.

For example, in the embodiment shown in Fig. 5, if the shift register circuit G(1,3) is abnormal, the switch line SL(1,1, 2) Used to provide the switch signal SW(1,2) to all the shift register circuits in the group of shift register circuits coupled to the switch line SL(1,2) (in the implementation shown in Figure 5) In the example, the shift register circuits G(1,3) and G(1,4)), so that the shift register circuits G(1,3) and G(1,4) cannot output signals to the corresponding gates. Polar lines GL(3) and GL(4), so abnormal signals will not be output from the group of shift register circuits to other parts of the driving device 500, at this time shift register circuits G(2,3) and G (2,4) works normally, so the switch line SL(2,2) will not provide the switch signal SW(2,2) to turn off the shift register circuits G(2,3) and G(2,4), so G(2,3) and G(2,4) can still provide normal gate signals to the gate lines GL(3) and GL(4).

Referring to FIG. 5 and FIG. 2, the driving units 510 and 520 are an embodiment of the driving units 210 and 220. In some embodiments, the driving unit 510 includes two shift register circuits G(1,1) and G(1,2). Similarly, the driving unit 520 includes two shift register circuits G(2,1). ) And G(2,2).

FIG. 6 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. Please refer to FIG. 6 and FIG. 1, the driving device 600 is an embodiment of the driving device 110. Compared with the driving device 500 in FIG. 5, the driving device 600 further includes decoders 601 and 602.

Please refer to Fig. 6, the decoders 601 and 602 output corresponding switch signals SW(1, 1) according to the encoded signals d(1,1)~d(1,i) and d(2,1)~d(2,j). 1) ~SW(1,n) and SW(2,1)~SW(2,m), where i and j are both positive integers.

In some embodiments, n is less than or equal to 2 to the i power, and m is less than or equal to 2 to the j power. In some embodiments, n is greater than i, so a smaller number of encoded signals d(1,1)~d(1,i) can be input to the decoder 601 to provide a larger number of switching signals SW(1,1) ~SW(1,n). In some embodiments, m is greater than j, so a smaller number of encoded signals d(2,1)~d(2,j) can be input to the decoder 602 to provide a larger number of switching signals SW(2,1) ~SW(2,m).

FIG. 7 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. Please refer to FIG. 7 and FIG. 1, the driving device 700 is an embodiment of the driving device 110. In some embodiments, the driving device 700 includes a welding area 710, and the welding area 710 is coupled to the shift register circuits G(1,2) and G(2,2). In some embodiments, the driving device 700 is a hybrid driving device, which can be provided by the switch lines SL(1,1)~SL(1,n) and SL(2,1)~SL(2,m) Switch signals SW(1,1)~SW(1,n) and SW(2,1)~SW(2,m) to the corresponding groups of shift register circuits to close abnormal shift register circuits. Laser cutting can be performed through the welding area 710 to disconnect the electrical coupling relationship between the at least one shift register circuit and the driving device 700 when the at least one shift register circuit in the driving device 700 is abnormal.

For example, when the shift register circuits G(1,1), G(1,3) and G(2,4) are abnormal, the switch line SL(1,1) provides the switch signal SW(1,1) Turn off the shift register circuits G(1,1) and G(1,2) coupled to the switch line SL(1,1), so that G(1,1) cannot output abnormal signals to the driving device 700, At the same time, since the shift register circuits G(1,3) and G(2,4) are in the welding area 710, the welding area 710 can perform laser cutting to disconnect the shift register circuit G(1, 3) The electrical coupling relationship between G(2,4) and the driving device 700 makes the shift register circuits G(1,3) and G(2,4) unable to output signals to the driving device 700.

In some embodiments, the display device 100 includes areas that lack space and cannot provide space as the welding area 710, and laser cutting cannot be performed in these areas to disconnect the shift register circuit and the driving device 700 in these areas. Therefore, the switch line can provide a switch signal to turn off the shift register circuits, so that the shift register circuits cannot output signals to the driving device 700.

In some embodiments, the welding area 710 includes a plurality of welding areas, and the plurality of welding areas may be coupled to different shift register circuits, or may be coupled to the same shift register circuit.

The various aspects of the driving device 110 provided in the foregoing embodiments are used to illustrate the present invention and not to limit the present invention. In other embodiments, the aspects of the driving device 110 may also be designed as other appropriate aspects.

In summary, the drive device and display device of an embodiment of the present invention can close the shift register circuit in a non-destructive manner when the shift register circuit is abnormal, without digging a hole in the metal layer, and also To avoid the possibility of laser cutting failure, turning off the circuit elements in the shift register circuit through the switch signal can make the abnormal shift register circuit unable to output abnormal signals.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be subject to those defined by the attached patent application scope.

100: display device 110: Drive 200: Drive 210: drive unit 220: drive unit 211: shift temporary storage circuit 310: Logic Unit 320: switch unit 330: output unit 332, 334, 322, 324: switch 500: Drive 510, 520: drive unit 600: Drive 601, 602: Decoder 700: Drive 710: Welding Area E(1)~E(n): light emitting device GL(1)~GL(n): gate line G(1,1)~G(1,n): shift temporary storage circuit G(2,1)~G(2,n): shift temporary storage circuit SW(1,1), SW(2,1): switch signal SL(1,1), SL(2,1): switch line S(1)~S(n): signal STV: Start signal CK1, CK2, CK3: clock signal T1~T6: switch VGL: enable voltage signal Q’(n), Q(n), B(n) VGH: disable voltage signal Rst: reset signal C1: Capacitance SL(1,2)~SL(1,n): switch line SL(2,2)~SL(2,m): switch line SW(1,2)~SW(1,n): switch signal SW(2,2)~SW(2,m): switch signal G(1,2n-1), G(1,2n): shift temporary storage circuit G(2,2m-1), G(2,2m): shift temporary storage circuit d(1,1)~d(1,i): coded signal d(2,1)~d(2,j): coded signal

Fig. 1 is a schematic diagram of a display device according to an embodiment of the present invention. FIG. 2 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. FIG. 3 is a circuit diagram of the shift register circuit in the display device according to an embodiment of the present invention. FIG. 4 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. FIG. 5 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. FIG. 6 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention. FIG. 7 is a schematic diagram of the driving device in the display device according to an embodiment of the present invention.

Domestic deposit information (please note in the order of deposit institution, date and number) no Foreign hosting information (please note in the order of hosting country, institution, date, and number) no

200: Drive

210: drive unit

220: drive unit

211: shift temporary storage circuit

GL(1)~GL(n): gate line

G(1,1)~G(1,n): shift temporary storage circuit

G(2,1)~G(2,n): shift temporary storage circuit

SW(1,1), SW(2,1): switch signal

SL(1,1), SL(2,1): switch line

S(1)~S(n): signal

STV: Start signal

CK1, CK2, CK3: clock signal

Claims (10)

A driving device includes: a plurality of stages of shift register circuits sequentially coupled in series, wherein each of the shift register circuits includes: a logic unit for at least according to a previous stage shift register signal An output unit, including: a first output switch, a control terminal of the first output switch is coupled to the logic unit at a first node through a switch, and a first terminal of the first output switch is used To output a local shift register signal; and a second output switch, a control terminal of the second output switch is coupled to the logic unit at a second node, and a first terminal of the second output switch is coupled The first end of the first output switch; and a switch unit for turning on according to a switch signal, and turning off at least one of the first output switch and the second output switch when it is turned on, wherein the switch unit is used To receive the switch signal when any one of the shift register circuits is abnormal, and turn off at least one of the first output switch and the second output switch according to the conduction of the switch signal. The driving device according to claim 1, wherein the switch unit is used to receive the switch signal when any one of the shift register circuits is abnormal, and turn off the first output switch and the The second output switch. The driving device according to claim 1, wherein the switch unit includes: a switch for turning on according to the switch signal, a first end of the switch is used to receive a voltage signal, and a second end of the switch is coupled When the first node or the second node is turned on, the voltage signal has a disable voltage level. The driving device according to claim 1, wherein the switch unit includes: a first switch for turning on according to the switch signal, a first terminal of the first switch for receiving a voltage signal, and A second terminal is coupled to the first node, the voltage signal has a disabling voltage level when the first switch is turned on; and a second switch is turned on according to the switch signal, and a first switch of the second switch One end is used for receiving the voltage signal, and a second end of the second switch is coupled to the second node. The driving device according to claim 1, wherein the logic unit is used to adjust a voltage level of the first node and a voltage level of the second node according to the previous-stage shift register signal to control the first node An output switch and the second output switch. A display device includes: a set of first shift temporary storage circuits, each of the first shift temporary storage circuits A first shift register circuit includes: a first logic unit for operating at least according to a first previous stage shift register signal; a first output switch, a first terminal of the first output switch is used To output a first local shift temporary storage signal; a second output switch, a first end of the second output switch is coupled to the first end of the first output switch; and a first switch unit for To turn on according to a first switch signal, and turn off at least one of the first output switch and the second output switch when turned on; and a set of second shift register circuits, the set of second shift register circuits Each of the second shift register circuits includes: a second logic unit for operating at least according to a second previous stage shift register signal; a third output switch, a first of the third output switch One end is used to output a second local shift register signal; a fourth output switch, a first end of the fourth output switch is coupled to the first end of the third output switch; and a second switch Unit for turning on according to a second switch signal, and turning off at least one of the third output switch and the fourth output switch when it is turned on, wherein the first switch unit is used for temporarily storing the first shift in the group When any of the first shift register circuits in the circuit is abnormal, the first switch signal is received, and the first output switch and the second output are turned off according to the first switch signal At least one of the switches. The display device according to claim 6, wherein the first switch unit is used to receive the first switch signal when any one of the first shift register circuits in the group of first shift register circuits is abnormal, and according to the The first switch signal turns off the first output switch and the second output switch. The display device according to claim 6, further comprising: a complex array of shift register circuits, including a group of n-th shift register circuits, where n is a positive integer greater than or equal to three, and the group of n-th shift register circuits Each nth shift register circuit in the memory circuit includes: an nth logic unit for operating at least according to an nth previous stage shift register signal; a (2n-1)th output switch, the first (2n-1) A first end of the output switch is used to output an nth local shift register signal; a 2nth output switch, a first end of the 2nth output switch is coupled to the 2nth output switch The first terminal; and an n-th switch unit for turning on according to an n-th switching signal, and turning off at least one of the (2n-1)th output switch and the 2nth output switch when it is turned on. The display device according to claim 8, further comprising: a decoder for outputting a plurality of switching signals according to a plurality of encoded signals, the switching signals including the first switching signal to the nth switching signal number. The display device according to claim 6, further comprising: at least one welding area coupled to the set of first shift register circuits, and the at least one welding area is used to perform a laser cutting to perform a laser cutting in the driving device When the at least one shift register circuit is abnormal, the electrical coupling relationship between the at least one shift register circuit and the display device is disconnected.

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