TWI777566B - Splicing electronic device and driving method - Google Patents

Abstract

A splicing electronic device includes a substrate and a plurality of screens. The screens are located on the substrate and include a main screen and a plurality of secondary screens. The main screen is configured to receive a first display signal so as to output a plurality of second display signals. The secondary screens are spliced on the main screen in sequence so as to receive the second display signals. The main screen and the secondary screens display a plurality of split screens according to the first display signal and the second display signals together at a first stage. The main screen and the secondary screens are configured to receive a touch signal at a second stage.

Description

Splicing electronic device and driving method

This case relates to an electronic device and a driving method. In detail, this case relates to a splicing electronic device and a driving method.

Today's splicing devices are used to synchronously display split screens, and each splicing screen space needs to be designed with a connection gate to connect to each other. Therefore, the space of the splicing screen cannot be used efficiently.

In addition, the splicing device is further used to realize the touch function. Capacitive touch panels for splicing devices often cannot quickly distinguish between conductive and non-conductive touches.

Therefore, the above technology still has many defects, and other suitable touch sensing circuits need to be developed by practitioners in the art.

One aspect of the present case relates to a splicing electronic device. The tiled electronic device includes a plurality of screens. A plurality of screens are located on the substrate, and include a main screen and a plurality of sub-screens. The main screen is used for receiving the first display signal, so as to output a plurality of second display signals. A plurality of sub-screens are sequentially spliced to the main screen, so as to receive a plurality of second display signals. The main screen and the plurality of sub-screens are used to jointly display a picture according to the first display signal and the plurality of second display signals respectively in the first stage. The main screen and the plurality of sub-screens are used for receiving touch signals in the second stage.

Another aspect of the present application relates to a driving method, which is suitable for a splicing electronic device. The driving method includes the following steps: obtaining the position information of the plurality of screens of the spliced electronic device in the first stage; setting the positions of the main screens of the plurality of screens according to the position information of the plurality of screens in the first stage; transmitting the first stage in the first stage Display signals to the main screen; in the first stage, the main screen sequentially outputs a plurality of second display signals to a plurality of sub-screens of the plurality of screens according to the first display signal; in the first stage, the main screen and a plurality of sub-screens are used The screen displays a plurality of divided screens according to the first display signal and the plurality of second display signals respectively; and drives the plurality of screens in the second stage to receive the touch signal of the object.

The following will clearly illustrate the spirit of this case with drawings and detailed descriptions. Anyone with ordinary knowledge in the technical field who understands the embodiments of this case can make changes and modifications by using the techniques taught in this case, which does not deviate from the principles of this case. spirit and scope.

The language used herein is for the purpose of describing particular embodiments and is not intended to be limiting. The singular forms such as "a", "the", "the", "this" and "the", as used herein, also include the plural forms.

The terms "comprising", "including", "having", "containing", etc. used in this document are all open-ended terms, meaning including but not limited to. Regarding the terms (terms) used in this article, unless otherwise specified, they usually have the ordinary meaning of each term used in this field, in the content of this case and in the special content. Certain terms used to describe the present case are discussed below or elsewhere in this specification to provide those skilled in the art with additional guidance in the description of the present case.

FIG. 1A is a schematic diagram of a splicing electronic device 1000 according to some embodiments of the present application. In some embodiments, please refer to FIG. 1A , the splicing electronic device 1000 includes a substrate (not shown in the figure) and a plurality of screens 1100 . A plurality of screens 1100 are located on the substrate. The number of screens of the plurality of screens 1100 is four. The plurality of screens 1100 include a screen 1110 , a screen 1120 , a screen 1130 and a screen 1140 . The screen 1120 is spliced on the right border of the screen 1110 (the right side of the drawing). The screen 1130 is spliced to the right border of the screen 1120 in the same direction. The screen 1140 is then spliced to the right border of the screen 1130 in the same direction. In other words, the screen 1110, the screen 1120, the screen 1130 and the screen 1140 are arranged in the same row. It should be noted that the gaps or splicing areas between the plurality of screens 1100 have a certain width, so that the splicing electronic device 1000 can be folded. It should be noted that although the splicing method in this case extends to the right side, it is not limited to the illustrated embodiment.

FIG. 1B is a schematic diagram of a splicing electronic device 1000A according to some embodiments of the present application. In some embodiments, please refer to FIG. 1B , compared with the splicing electronic device 1000 of FIG. 1A , the number of screens of the splicing electronic device 1000A is increased to six. The splicing shape of the splicing electronic device 1000A is changed to an arrangement of 3 straight rows and 2 horizontal columns. The splicing electronic device 1000A includes a substrate (not shown in the figure) and a plurality of screens 1100A. The plurality of screens 1100A include a screen 1110A, a screen 1120A, a screen 1130A, a screen 1140A, a screen 1150A, and a screen 1160A. The screen 1120A is spliced to the right border of the screen 1110A (the right side of the drawing). Screen 1130A is spliced to the right border of screen 1120A. The screen 1140A is spliced to the lower border (the lower side of the drawing) of the screen 1130A. The screen 1150A is spliced on the lower border of the screen 1120A and the left border of the screen 1140 (the left side of the drawing). The screen 1160A is spliced on the lower border of the screen 1110A and the left border of the screen 1150A. It should be noted that the gaps or splicing areas between the plurality of screens 1100A have a certain width, so that the splicing electronic device 1000A can be folded. It should be noted that although the splicing method is spliced in the order of the labels, it is not limited to the embodiment in the drawings.

In some embodiments, please refer to FIG. 1A and FIG. 1B , the number of screens on the screen is not limited to the embodiment shown in the drawings.

FIG. 2 is a detailed circuit block diagram of the splicing electronic device 1000 according to some embodiments of the present application. In some embodiments, please refer to FIGS. 1A to 2 , the splicing electronic device 1000 in FIG. 2 corresponds to the splicing electronic device 1000 in FIG. 1A or the splicing electronic device 1000A in FIG. 1B .

In some embodiments, please refer to FIG. 2 , the splicing electronic device 1000 includes a plurality of screens 1100 and a device management terminal 1200 . The plurality of screens 1100 include a main screen 1110 and a plurality of sub-screens (screen 1120 and screen 1130). The main screen 1110 includes a power supply 1111 , a processor 1112 , a timing controller 1113 , a display panel 1114 , a touch electrode layer 1115 and a device controller 1119 . The secondary screen 1120 includes a power supply 1121 , a processor 1122 , a timing controller 1123 , a display panel 1124 and a touch electrode layer 1125 . The secondary screen 1130 includes a power supply 1131 , a processor 1132 , a timing controller 1133 , a display panel 1134 and a touch electrode layer 1135 . It should be noted that only the home screen 1110 has the device controller 1119 .

In some embodiments, please refer to FIG. 1A and FIG. 2 , the device management terminal 1200 is used to detect the number of screens and the splicing shape of FIG. 1A to generate the display signal DS1 .

In some embodiments, please refer to FIG. 1B and FIG. 2 , the device management terminal 1200 is used for detecting the number of screens and the splicing shape of FIG. 1B to generate the display signal DS1 .

In some embodiments, please refer to FIG. 2 , the power supply 1111 is used to provide the voltage required by the main screen 1110 . The power supply 1121 is used to provide the voltage required by the secondary screen 1120 . The power supply 1131 is used to provide the voltage required by the secondary screen 1130 . In some embodiments, the power supply 1111 is used to provide the voltages of the power supply 1121 and the power supply 1131 to provide the voltages required by the secondary screen 1120 and the secondary screen 1130 .

In some embodiments, the device controller 1119 is used for receiving the display signal DS1. The device controller 1119 obtains the display data of the main screen 1110 and the display signals (display signal DS2 and display signal DS3 ) of the plurality of sub-screens (screen 1120 and screen 1130 ) according to the display signal DS1 . In some embodiments, the device controller 1119 outputs the control signal CS1 to the processor 1112 according to the display signal DS1. In some embodiments, the device controller 1119 has the function of wireless communication to receive the display signal DS1.

In some embodiments, the processor 1112 outputs the timing control signal TS1 to the timing controller 1113 according to the control signal CS1. In some embodiments, the processor 1112 is configured to receive the control signal CS1 , so as to transmit the display signal DS2 to the processor 1122 of the secondary screen 1120 and to transmit the display signal DS3 to the processor 1132 of the secondary screen 1130 . In some embodiments, the processor 1112 can respectively transmit the display signal DS2 and the display signal DS3 to the corresponding secondary screen. In some embodiments, the processor 1112 may transmit the display signal DS2 and the display signal DS3 to the secondary processor 1122 , and then the secondary processor 1122 transmits the display signal to the next-level processor 1132 . It should be noted that the sequence and path of the processors transmitting the display signals are not limited to the embodiment shown in the drawings.

FIG. 3A is a schematic circuit block diagram of a splicing electronic device 1000 according to some embodiments of the present application. In some embodiments, as shown in FIG. 3A , the circuit structure in FIG. 3A corresponds to one of the plurality of screens 1100 in FIG. 2 . The splicing electronic device 1000 further includes a driving integrated circuit 1116 and a touch control circuit 1117 .

In some embodiments, the driving IC 1116 is coupled to the timing controller 1113 and the display panel 1114 . The touch circuit 1117 is coupled to the timing controller 1113 and the touch electrode layer 1115 .

In some embodiments, please refer to FIG. 2 and FIG. 3A, the processor 1112, the processor 1122, and the processor 1132 include a central processing unit (CPU), a communication processor, and a supercomputer with high-level computing functions at least one of them. In some embodiments, the supercomputer with high-level computing functions includes a reduced instruction set computer (RISC) and an advanced reduced instruction set machine (Advanced RISC Machine).

In some embodiments, please refer to FIG. 3A , the timing controller 1113 is used for providing the image signal to the driving IC 1116 . The timing controller 1113 can simultaneously control a plurality of driving integrated circuits to control the display screen or split screen of the screen. In some embodiments, the timing controller 1113 is used for receiving a plurality of signals from the processor 1112 . A plurality of signals are used to control the splicing electronic device for display or touch. The plurality of signals include an input signal, a horizontal synchronizing signal, a vertical synchronizing signal, a master clock signal, a scan control signal, a data control signal and a lighting control signal.

In some embodiments, the driving IC 1116 is used to provide control signals to control a plurality of control lines (not shown) on the thin film transistor substrate of the splicing electronic device 1000 . In some embodiments, the display panel 1114 adopts an in-cell touch technology, and a plurality of control lines are coupled to each light-emitting diode (not shown) in the splicing electronic device 1000 , The light-emitting diode includes a micro light-emitting diode (μ-LED), which is disposed on a substrate including an integrated circuit together with the touch electrodes. Further, the integrated circuit includes a thin-film transistor (Thin-Film Transistor, TFT) or Micro driver integrated circuit. Similar to the common built-in touch panel, the touch sensor is externally placed on the liquid crystal display module compared to the external touch panel, which can reduce the overall thickness and simplify the manufacturing process.

In some embodiments, the touch circuit 1117 is used to drive the infrared light-emitting diode (IR LED) of the touch electrode layer 1115 to sense the touch signal of the object. In some embodiments, the touch circuit 1117 is used for receiving touch signals from the infrared sensor, the optical sensor and the capacitor of the touch electrode layer 1115 .

FIG. 3B is a schematic side view of a partial structure of the spliced electronic device 1000 according to some embodiments of the present application. In some embodiments, please refer to FIG. 3B, the structure of FIG. 3B is located in each of the plurality of screens 1100 of FIG. 2 . The structure of FIG. 3B includes a substrate B, integrated circuits IC1-IC6, light-emitting diodes L1-L3, an infrared light-emitting diode IL1, an infrared sensor IS1, and a photo sensor PS1.

In some embodiments, the substrate B includes a glass substrate, a flexible substrate, and a printed circuit board (PCB).

In some embodiments, the integrated circuits IC1 to IC6 include thin film transistors (Thin-Film Transistor, TFT) or micro driver integrated circuits (Micro driver integrated circuits).

In some embodiments, the integrated circuits IC1 ˜ IC6 , the light emitting diodes L1 ˜ L3 , the infrared light emitting diode IL1 , the infrared sensor IS1 and the photo sensor PS are all located on the substrate B. It should be noted that the arrangement and quantity of the structures are not limited to the embodiments in the drawings.

In some embodiments, the light-emitting diodes L1-L3 include micro light-emitting diodes (μ-LEDs) for displaying images. The infrared light emitting diode IL1 is used for emitting infrared rays to sense the target. The infrared sensor IS1 is used for receiving infrared signals. The light sensor PS1 is used for sensing light intensity.

FIG. 4 is a schematic diagram of a touch sensing circuit of the splicing electronic device 1000 according to some embodiments of the present application. In some embodiments, please refer to FIGS. 3A to 4 , the touch sensing circuit in FIG. 4 is located in at least one of the touch electrode layer 1115 and the touch circuit 1117 in FIG. 3A . The touch sensing circuit of FIG. 4 includes a first circuit EC1, a second circuit EC2, a storage capacitor Cst and a coupling capacitor Cm.

In some embodiments, the first circuit EC1 is used to determine the voltage level of the storage capacitor Cst according to the touch signal from the touch electrode layer 1115 . It should be noted that, when the user's finger touches the splicing electronic device 1000, the capacitance of the user's finger will affect the coupling capacitance Cm. The first circuit EC1 of the touch sensing circuit in FIG. 4 responds to the potential change of the coupling capacitor Cm, so as to record the potential change of the coupling capacitor Cm in the storage capacitor Cst. In some embodiments, the first circuit EC1 includes an amplifier OP2 and a capacitor Cs.

In some embodiments, the second circuit EC2 includes an amplifier OP1 and a diode D1. The cathode terminal of the diode D1 is coupled to the first circuit EC1 and the first input terminal of the amplifier OP1. The anode terminal of the diode D1 is coupled to the output terminal of the amplifier OP1. The first circuit EC1 and the second circuit EC2 jointly determine the voltage level of the storage capacitor Cst according to the touch signal.

In some embodiments, in order to make the driving method of the touch sensing circuit of the present application easy to understand, please refer to FIG. 4 and FIG. 5 together, and FIG. 5 illustrates the touch sensing according to some embodiments of the present application. Schematic diagram of the driving signal of the circuit.

In some embodiments, V _Drive is an AC power source. The switch S1 is used to drive the second circuit EC2. The switch S2 and the switch S3 are used to drive the first circuit EC1. V _Cst is the potential across the storage capacitor Cst. In some embodiments, switch S1 , switch S2 and switch S3 include at least one of a transistor and a signal source. It should be noted that the switch S1 , the switch S2 and the switch S3 are used to express the input position of the signal, and are not limited to the embodiment shown in the drawings.

In some embodiments, please refer to FIG. 4 and FIG. 5, the second circuit EC2 in this case is connected in parallel with the first circuit EC1, and is quickly accumulated in the storage capacitor by the amplifier OP1 and the diode D1 inside the second circuit EC2 The potential V Cst of _Cst . Specifically, in the case of non-conductor sensing, the AC power source V _Drive needs to continuously provide voltage. When the AC power V _Drive is at a positive potential, the second circuit EC2 is turned on according to the switch S1 to accumulate the positive potential of the AC power V _Drive in the storage capacitor Cst. At this time, the first circuit EC1 is not turned on. When the AC power V _Drive is at a negative potential, the first circuit EC1 is turned on according to the switch S3 to accumulate the negative potential of the AC power V _Drive in the storage capacitor Cst. At this time, the second circuit EC2 is not turned on. Accordingly, in this case, the first circuit EC1 and the second circuit EC2 are turned on alternately to quickly accumulate the sensed charges in the storage capacitor Cst. It should be noted that the above-mentioned touch electrode layer 1115 includes two kinds of capacitors for conducting sensing of conductors or non-conductors. When the conductor touches and splices the electronic device 1000 , both capacitances become smaller. When the non-conductor touch-splicing electronic device 1000 is used, one of the two capacitances will become larger, and the other of the two capacitances will become smaller. A conductor or a non-conductor can be distinguished by the change of the two capacitances.

In some embodiments, please refer to FIG. 4 and FIG. 5 , the second circuit EC2 in this case raises the potential V _Cst across the storage capacitor Cst to the potential V1 . At the same time, the current touch circuit structure can only raise the potential V _Cst across the storage capacitor Cst to the potential V2. In some embodiments, as shown in FIG. 5 , the potential V1 is approximately twice the potential V2 , but is not limited to the embodiment shown in the figure.

In some embodiments, in order to make the driving method of the present application easy to understand, please refer to FIGS. 1A to 6 together. FIG. 6 is a schematic diagram illustrating the steps of the driving method 600 according to some embodiments of the present application. The driving method 600 includes the following steps:

In step 610, the location information of the plurality of screens of the spliced electronic device is obtained.

In some embodiments, please refer to FIG. 1A , FIG. 2 , and FIG. 6 , the device management terminal 1200 obtains that the number of screens of the splicing device 1000 in FIG. 1A is 4, and the splicing shape of the splicing device 1000 is a row, This is the location information of the screen in Figure 1A.

In some embodiments, please refer to FIG. 1B , FIG. 2 , and FIG. 6 , the device management terminal 1200 obtains the number of screens of the splicing device 1000A in FIG. 1B is 6, and the splicing shape of the splicing device 1000A is 3 straight and 2 horizontal row, which is the position information of the screen in Figure 1B.

It should be noted that the splicing method of the splicing device may be arranged in an array. In other words, the splicing manner of the splicing device may be a (M*N) matrix, where M is a positive integer and N is a positive integer. The splicing method of the splicing device is not limited to the embodiment shown in FIG. 1A and FIG. 1B .

In step 620, the position of the main screen is set according to the position information of the plurality of screens.

In some embodiments, please refer to FIG. 1A , FIG. 2 , and FIG. 6 , the device management terminal 1200 sets the position of the main screen according to the position information of the screen in FIG. The position is the starting point, and the positions of multiple sub-screens are set clockwise or counterclockwise. The plurality of screens 1100 include a central area, a first side (left side in the drawing) and a second side (right side in the drawing). The position of the screen 1120 and the position of the screen 1130 are located in the central area. The position of the screen 1110 is on the first side. The position of the screen 1140 is on the second side. For example, the home screen is currently set at the position of screen 1110 .

In some embodiments, please refer to FIG. 1B , FIG. 2 , and FIG. 6 , the device management terminal sets the position of the main screen to be located on both sides of the plurality of screens 1100A according to the position information of the screen in FIG. 1B . The plurality of screens 1100A include a central area, a first side (left side in the drawing) and a second side (right side in the drawing). The position of screen 1120A and the position of screen 1150A are located in the central area. The position of screen 1110A and the position of screen 1160A are on the first side. The position of screen 1130A and the position of screen 1140A are on the second side. In other words, the position of the main screen may be at one of the position of screen 1110A, the position of screen 1130A, the position of screen 1140A, and the position of screen 1160A. For example, the home screen is currently set at the position of the screen 1110A (the lower left position).

In some embodiments, the above-mentioned device management terminal is used to set the type of the display. Displays include liquid-crystal display (LCD), organic light-emitting display (OLED), sub-light-emitting diode (mini Light Emitting Diode, mini-LED) display and micro-light-emitting diode (micro Light Emitting Diode) Emitting Diode, μ-LED) display.

In step 630, the first display signal is sent to the main screen.

In some embodiments, please refer to FIG. 1A , FIG. 1B , FIG. 2 and FIG. 6 , the device management terminal 1200 transmits the display signal DS1 to the position of the main screen.

In step 640, the main screen sequentially outputs a plurality of second display signals to a plurality of sub-screens of the plurality of screens according to the first display signal.

In some embodiments, please refer to FIG. 1A , FIG. 2 , and FIG. 6 , the device management terminal 1200 sequentially outputs a plurality of display signals (eg, a display signal DS2 and a display signal DS3 ) to a plurality of screens according to the display signal DS1 a plurality of sub-screens (eg: sub-screen 1120, sub-screen 1130 and sub-screen 1140).

In some embodiments, please refer to FIG. 1A , FIG. 2 and FIG. 6 , the device controller 1119 and the processor 1112 of the main screen 1110 output the display signal DS2 to the sub-screen 1120 according to the display signal DS1 . Next, the processor 1122 outputs the secondary display signal DS3 to the processor 1132 of the secondary screen 1130 through the secondary screen 1120 according to the display signal DS2.

In some embodiments, please refer to FIG. 1B, FIG. 2, and FIG. 6, the home screen is now set to be located at the position of the screen 1110A in the FIG. 1B. Therefore, the current screen 1120A, the screen 1130A, the screen 1140A, the screen 1150A, and the screen 1160A are all secondary screens. In other words, only the home screen 1110A includes the above-described device controller. Next, the device controller of the main screen 1110A outputs a plurality of display signals to the position of the screen 1120A, the position of the screen 1130A, the position of the screen 1140A, the position of the screen 1150A and the The position of the screen 1160A and other detailed operations are the same as the operations of the main screen 1110 in FIG. 1A , and will not be repeated here. It should be noted that the arrangement order of the screens is not limited to the embodiment in the drawings.

In step 650, a plurality of split screens are displayed on the main screen and the plurality of sub-screens according to the first display signal and the plurality of second display signals, respectively.

In some embodiments, please refer to FIG. 1A , FIG. 2 and FIG. 6 , the main screen (screen 1110 ) displays the split screen according to the display signal DS1 . A plurality of sub-screens (screen 1120, screen 1130 and screen 1140) display split screens according to display signals (eg, display signal DS2 and display signal DS3). The split screen displayed by the main screen and a plurality of sub-screens can be spliced to form a complete display screen. In some embodiments, the main screen (screen 1110) may display a complete display by itself.

In some embodiments, please refer to FIG. 1B , FIG. 2 and FIG. 6 , the divided images displayed on the main screen ( 1110A ) and the plurality of sub-screens (screens 1120A to 1160A ) can be spliced into a complete display screen. In some embodiments, the main screen (screen 1110A) may display a complete display by itself.

In step 660, a plurality of screens are driven to receive touch signals of objects.

In some embodiments, please refer to FIG. 2 , FIG. 4 and FIG. 6 , the timing controller (eg, timing control 1113 ) of each of the plurality of screens drives the touch electrode layer (eg, the touch electrode layer) respectively 1115) to receive the touch signal of the object. Next, the touch sensing circuit of FIG. 4 receives the touch signal of the object to identify whether the object is a conductor or a non-conductor.

FIG. 7 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application. In some embodiments, please refer to FIG. 6 and FIG. 7 , the time for the splicing electronic device 1000 and the splicing electronic device 1000A to update all the divided pictures is one frame. Specifically, the time for updating one frame consists of a plurality of display stages 701 and a plurality of conductor touch sensing stages 703 , which is the first driving mode of the splicing electronic device 1000 and the splicing electronic device 1000A of the present invention. In the display stage 701 , the splicing electronic device 1000 or the splicing electronic device 1000A performs steps 610 to 650 . In the conductor touch sensing stage 703 , the splicing electronic device 1000 or the splicing electronic device 1000A executes step 660 .

FIG. 8 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application. In some embodiments, please refer to FIGS. 6 to 8. Compared with FIG. 7, the embodiment of FIG. 8 is the second driving mode of the splicing electronic device 1000 and the splicing electronic device 1000A of the present invention. In this driving mode, the time for updating one frame consists of a plurality of display stages 701 and a plurality of non-conductive touch sensing stages 705 . The detailed steps are the same as those of the embodiment in FIG. 7 , and are not repeated here.

FIG. 9 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application. In some embodiments, please refer to FIGS. 6 to 9, the embodiment of FIG. 9 is the third driving mode of the splicing electronic device 1000 and the splicing electronic device 1000A of the present invention. In this driving mode, the time for updating one frame consists of a plurality of display stages 701 , a plurality of conductor touch sensing stages 703 and a plurality of non-conductor touch sensing stages 705 . In the display stage 701 , the splicing electronic device 1000 or the splicing electronic device 1000A performs steps 610 to 650 . In the conductive touch sensing stage 703 and the non-conductive touch sensing stage 705 , the splicing electronic device 1000 or the splicing electronic device 1000A performs step 660 .

FIG. 10 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application. In some embodiments, please refer to FIGS. 6 to 10. Compared with FIG. 9, the embodiment of FIG. 10 is the fourth driving mode of the splicing electronic device 1000 and the splicing electronic device 1000A of the present invention, and only the conductors are changed. The driving sequence of the touch sensing stage 703 and the non-conductive touch sensing stage 705 . The detailed steps are the same as those of the embodiment in FIG. 9, and are not repeated here.

FIG. 11 is a schematic diagram illustrating the driving timing of the splicing electronic device according to some embodiments of the present application. In some embodiments, please refer to FIGS. 6 to 11 , the embodiment of FIG. 11 is the fifth driving mode of the splicing electronic device 1000 and the splicing electronic device 1000A of the present invention. The embodiment of FIG. 11 shows that the conductive touch sensing stage 703 and the non-conductive touch sensing stage 705 can be performed simultaneously. In other words, the splicing electronic device 1000 and the splicing electronic device 1000A of the present application can simultaneously perform conductor sensing and non-conductor sensing.

According to the aforementioned embodiments, the present application provides a splicing electronic device and a driving method. The touch sensing circuit of the present application improves the touch sensing speed of distinguishing conductors and non-conductors, and the driving method of the present application enables signals to be divided into regions. Control screen display.

Although this case is disclosed above with detailed embodiments, this case does not exclude other possible implementations. Therefore, the protection scope of this case should be determined by the scope of the appended patent application, rather than being limited by the foregoing embodiments.

For those skilled in the art, various changes and modifications can be made to this case without departing from the spirit and scope of this case. Based on the foregoing embodiments, all changes and modifications made to this case are also covered by the protection scope of this case.

1000~1000A: Splicing electronic device 1100~1100A: Screen 1110~1140: Screen 1110A~1140A: Screen 1111~1131: Power supply 1112~1132: Processor 1113~1133: Timing controller 1114~1134: Display panel 1115~1135: Touch electrode layer 1119: Device controller 1200: Device management terminal DS1~DS3: Display signal CS1: Control signal TS1: Timing control signal 1116: Driving IC 1117: Touch circuit B: Substrate L1~L3: Light emitting diode Body IC1~IC6: Integrated Circuit IL1: Infrared Diode IS1: Infrared Sensor PS1: Photo Sensor V _Drive : AC Power Supply Cm: Coupling Capacitor Cst: Storage Capacitor Cs: Capacitor EC1~EC2: Circuit D1: Two Pole body OP1~OP2: Amplifier S1~S3: Switch V _Cst : Potential V1~V2: Potential 600: Method 610~660: Step 701: Display stage 703: Conductive touch sensing stage 705: Non-conductive touch sensing stage

The content of this case can be better understood with reference to the embodiments in the following paragraphs and the following drawings: FIG. 1A is a schematic diagram of a splicing electronic device according to some embodiments of the present application; FIG. 1B is a schematic diagram of a splicing electronic device according to some embodiments of the present application; FIG. 2 is a detailed circuit block diagram of a splicing electronic device according to some embodiments of the present application; FIG. 3A is a schematic circuit block diagram of a splicing electronic device according to some embodiments of the present application; FIG. 3B is a schematic side view of a partial structure of a splicing electronic device according to some embodiments of the present application. ; FIG. 4 is a schematic diagram of a touch sensing circuit of a splicing electronic device according to some embodiments of the present application; FIG. 5 is a schematic diagram of driving signals of the touch sensing circuit according to some embodiments of the present application; FIG. 6 is a schematic flowchart of steps of a driving method according to some embodiments of the present application; FIG. 7 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application; FIG. 8 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application; FIG. 9 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application; FIG. 10 is a schematic diagram of the driving timing of the splicing electronic device according to some embodiments of the present application; and FIG. 11 is a schematic diagram illustrating the driving timing of the splicing electronic device according to some embodiments of the present application.

Domestic storage information (please note in the order of storage institution, date and number) none Foreign deposit information (please note in the order of deposit country, institution, date and number) none

1000: Splicing Electronics

1100: Screen

1110~1130: Screen

1111~1131: Power

1112~1132: Processor

1113~1133: Timing Controller

1114~1134: Display panel

1115~1135: Touch electrode layer

1119: Device Controller

1200: Device management terminal

DS1~DS3: Display signal

CS1: Control signal

TS1: Timing control signal

Claims (8)

A splicing electronic device, comprising: a plurality of screens, located on a substrate, and comprising: a main screen for receiving a first display signal, so as to output a plurality of second display signals; and a plurality of sub-screens, in sequence spliced on the main screen to receive the second display signals; wherein the main screen and the sub-screens are used to display a plurality of split screens according to the first display signal and the second display signal respectively in a first stage , and the main screen and the sub screens are used to receive a touch signal in a second stage, wherein each of the screens includes a touch electrode layer, and the touch electrode layer includes a touch sensing circuit, The touch electrode layer is used for receiving the touch signal in the second stage, wherein the touch sensing circuit includes a first circuit and a storage capacitor, and the first circuit is used for determining according to the touch signal A voltage level of the storage capacitor, wherein the touch sensing circuit includes a second circuit, wherein the second circuit includes an amplifier and a diode, wherein a cathode terminal of the diode is coupled to the first A circuit and a first input terminal of the amplifier, and an anode terminal of the diode is coupled to an output terminal of the amplifier, wherein the first circuit and the second circuit jointly determine the storage capacitor according to the touch signal the voltage level. The splicing electronic device as claimed in claim 1, wherein the main screen includes a device controller and a first processor, wherein the device controller and the first processor are coupled to each other, and the device controller is used for according to the The first display signal outputs a first signal to the first processor, wherein the first processor outputs the second display signals to the secondary screens according to the first signal. The splicing electronic device of claim 2, wherein each of the sub-screens includes a second processor, and the second processor is used for receiving one of the second display signals. A driving method suitable for a splicing electronic device, the driving method comprising: obtaining a position information of a plurality of screens of the splicing electronic device in a first stage; setting the position information according to the position information of the screens in the first stage a position of one of the main screens of the screens; a first display signal is sent to the main screen in the first stage; a plurality of second displays are sequentially output from the main screen according to the first display signal in the first stage signal to a plurality of sub-screens of the screens; in the first stage, the main screen and the sub-screens respectively display a plurality of split screens according to the first display signal and the second display signal; in a first stage The screens are driven in two stages to receive a touch signal of an object; a touch sensing circuit of a touch electrode layer of each of the screens receives the touch signal in the second stage; A first circuit of the touch sensing circuit determines the touch signal according to the touch signal. A voltage level of a storage capacitor of the touch sensing circuit is determined, wherein the touch sensing circuit includes a second circuit, wherein the second circuit includes an amplifier and a diode, wherein the diode is A cathode terminal is coupled to the first circuit and a first input terminal of the amplifier, and an anode terminal of the diode is coupled to an output terminal of the amplifier; and the touch control by each of the screens The first circuit and the second circuit of the touch sensing circuit of the electrode layer jointly determine the voltage level of the storage capacitor of the touch sensing circuit according to the touch signal. The driving method of claim 4, wherein the screens include a central area, a first side and a second side, and the first side and the second side are located outside the central area, wherein the A step of setting the position of the main screen according to the position information of the screens includes: setting the main screen to be located on the first side of the screens according to a screen number of the screens and a mosaic shape of the screens or this second side. The driving method of claim 5, wherein the sub-screens include a first sub-screen and a second sub-screen, and the main screen outputs the sub-screens in sequence according to the first display signal in the first stage The step of sending the second display signal to the sub-screens of the screens includes: outputting one of the second display signals to the first sub-screen by a device controller of the main screen according to the first display signal. The driving method according to claim 6, wherein in the first The step of sequentially outputting the second display signals to the sub-screens of the screens through the main screen according to the first display signal further includes: using the first sub-screen according to the second display signals wherein One outputs a primary second display signal to the second secondary screen. The driving method of claim 4, wherein the step of driving the screens to receive the touch signal of the object in the second stage comprises: driving a touch sensing circuit of the screens to identify according to the touch signal The object is a conductor or a non-conductor.

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