CN114495779B - Detection device and detection method - Google Patents
Detection device and detection method Download PDFInfo
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- CN114495779B CN114495779B CN202210215991.XA CN202210215991A CN114495779B CN 114495779 B CN114495779 B CN 114495779B CN 202210215991 A CN202210215991 A CN 202210215991A CN 114495779 B CN114495779 B CN 114495779B
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- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000008439 repair process Effects 0.000 claims description 56
- 239000000463 material Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 238000002161 passivation Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- 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
- G09G3/03—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays
- G09G3/035—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes specially adapted for displays having non-planar surfaces, e.g. curved displays for flexible display surfaces
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- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
- Burglar Alarm Systems (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Control Of Electric Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
A detection device and a detection method, wherein the detection device comprises a processing circuit and a driving circuit. The processing circuit includes a detector and a calculator. The detector is used for providing a detection signal and the detector is used for receiving a feedback signal. The calculator is used for calculating the position of the open circuit according to the feedback signal. The driving circuit is coupled to the processing circuit and includes at least one switching circuit. At least one switching circuit is used for switching the circuit path of the data signal according to the position of the open circuit.
Description
Technical Field
The present disclosure relates to a detection device and a detection method, and more particularly, to a circuit break detection device and a circuit break detection method applied to a display circuit.
Background
The flexible display has the characteristics of flexibility, bending, light weight, thin thickness and the like, and when the display or the mobile phone adopts an ultra-narrow frame design, the higher the screen ratio is, the larger the field of view and the high immersion sense are on the display or the mobile phone screen. However, the flexible circuit may cause damage (a mask) to the internal circuit during the bending (e.g., backward bending) process, resulting in abnormal panel display, but the mask may occur during the process or at the client, and cannot be detected in advance through the reliability test.
Disclosure of Invention
This summary is intended to provide a simplified summary of the disclosure so that the reader will have a basic understanding of the disclosure. This summary is not an extensive overview of the disclosure and is intended to neither identify key/critical elements of the embodiments of the disclosure nor delineate the scope of the disclosure.
One technical embodiment of the present disclosure relates to a detection device. The detection device comprises a processing circuit and a driving circuit. The processing circuit includes a detector and a calculator. The detector is used for providing a detection signal and the detector is used for receiving a feedback signal. The calculator is used for calculating the position of the open circuit according to the feedback signal. The driving circuit is coupled to the processing circuit and includes at least one switching circuit. At least one switching circuit is used for switching the circuit path of the data signal according to the position of the open circuit.
One technical embodiment of the present disclosure relates to a detection method. The detection method comprises the following steps: providing a detection signal by a detector, wherein the detection signal passes through a driving circuit; receiving a feedback signal of the driving circuit by the detector; calculating, by a calculator, a position of the open circuit based on the feedback signal; and at least one switching circuit through the driving circuit to switch a circuit path of the data signal according to a position of the open circuit.
Therefore, according to the technical disclosure, the detection device and the detection method according to the embodiments of the present disclosure can calculate the position of the open circuit by providing the detection signal and receiving the feedback signal, and are suitable for the open circuit detection device of the display circuit. In addition, the detection device and the detection method can switch the circuit path of the data signal according to the position of the open circuit, so that the problem of abnormal picture of the display caused by the open circuit can be solved.
Drawings
The foregoing and other objects, features, advantages and embodiments of the present disclosure will be apparent from the following description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic diagram illustrating a detection device and a display panel according to an embodiment of the disclosure.
Fig. 2 is a detailed circuit diagram illustrating a detection device according to an embodiment of the present disclosure.
Fig. 3 to 5 are schematic views illustrating an operation of the detection apparatus as shown in fig. 2 according to an embodiment of the present disclosure.
Fig. 6 is a schematic diagram illustrating a detection device and a display panel according to an embodiment of the disclosure.
Fig. 7 is a detailed circuit diagram illustrating a detection device according to an embodiment of the present disclosure.
Fig. 8 to 10 are schematic views illustrating an operation of the detection apparatus as shown in fig. 7 according to an embodiment of the present disclosure.
Fig. 11 is a cross-sectional view showing a driving circuit structure of a detecting device according to an embodiment of the present disclosure.
Fig. 12 is a cross-sectional view showing a driving circuit structure of a detecting device according to an embodiment of the present disclosure.
Fig. 13 is a top view illustrating a driving circuit structure of a detecting device according to an embodiment of the present disclosure.
Fig. 14 is a flow chart illustrating a detection method according to an embodiment of the present disclosure.
Fig. 15 is a flow chart illustrating a detection method according to an embodiment of the present disclosure.
Fig. 16 is a flow chart illustrating a detection method according to an embodiment of the present disclosure.
Reference numerals illustrate:
100. 100A: detection device
110. 110A: processing circuit
111. 111A: detector for detecting a target object
113. 113A: calculator
115. 115A: time sequence controller
117. 117A: data signal source
119. 119A: gamma signal source
120. 120A, 200A: driving circuit
121. 121A: at least one switching circuit
123. 123A: at least one amplifying circuit
125A: repair element
130. 130A: power supply circuit
131. 131A: driving power supply
133A: repair power supply
210. 210A: a first insulating layer
220. 220A: second insulating layer
230. 230A: third insulating layer
240. 240A: a first metal layer
250. 250A: repairing material
260. 260A: repair circuit wiring
270. 270A: fourth insulating layer
400. 400A: detection method
900. 900A: panel board
Detailed Description
In order that the detailed description of the disclosure may be more complete and thorough, the following illustrative descriptions of embodiments and specific examples of the disclosure are presented; this is not the only form of practicing or implementing the embodiments of the disclosure. The description covers the features of the embodiments and the method steps and sequences for constructing and operating the embodiments. However, other embodiments may be utilized to achieve the same or equivalent functions and sequences of steps.
Unless defined otherwise herein, the meanings of scientific and technical terms used herein are the same as commonly understood and used by one of ordinary skill in the art to which this disclosure belongs. Furthermore, as used in this specification, the singular noun encompasses the plural version of the noun without conflict with the context; plural nouns as used also encompasses singular versions of the noun.
In addition, as used herein, "coupled" or "connected" may mean that two or more elements are in direct physical or electrical contact with each other, or in indirect physical or electrical contact with each other, and may also mean that two or more elements are in operation or action with each other.
As used herein, the term "circuit" generally refers to an article of manufacture that is connected in a manner by one or more transistors and/or one or more active and passive elements to process signals.
Certain terms are used throughout the description and claims to refer to particular components. However, one skilled in the art will appreciate that like elements may be referred to by different names. The description and claims do not distinguish between components that differ in name but not function. In the description and in the claims, the terms "comprise" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to.
Fig. 1 is a schematic diagram illustrating a detection device and a display panel according to an embodiment of the disclosure. As shown, the detection device 100 includes a processing circuit 110 and a driving circuit 120, the processing circuit 110 includes a detector 111 and a calculator 113, and the driving circuit 120 includes at least one switching circuit 121. In connection, the processing circuit 110 is coupled to the driving circuit 120, the calculator 113 is coupled to the detector 111, and the detector 111 is coupled to at least one switching circuit 121.
To provide a technique for switching the circuit path of a data signal according to the position of an open circuit, the present disclosure provides a detection apparatus 100 as shown in fig. 1, the related operation of which is described in detail below.
In one embodiment, the detector 111 is configured to provide a detection signal, and the detector 111 is configured to receive a feedback signal.
Subsequently, the calculator 113 is configured to calculate the position of the open circuit according to the feedback signal. For example, if the length of the measuring wire is 0.3m, the feedback signal time received by the calculator 113 is 1.494x10 -9 s, the speed of the feedback signal received by the calculator 113 is 3x10 8 m/s, the position of the open circuit is (1.494x10 -9 x3x10 8 ) -0.3= 0.1182m. In addition, the position of the circuit break is the starting point of the terminal (pin) end of the flexible circuit board.
Then, at least one switching circuit 121 is used to switch the circuit path of the data signal according to the position of the open circuit. For example, at least one switching circuit 121 adjacent to the open position is turned on according to the open position, and the data signal is transmitted to the panel 900 through the at least one switching circuit 121.
For easy understanding of the above operation of the detection device 100, please refer to fig. 2 to 5 together, fig. 2 is a detailed circuit diagram illustrating a detection device according to an embodiment of the present disclosure, and fig. 3 to 5 are schematic diagrams illustrating an operation of the detection device as illustrated in fig. 2 according to an embodiment of the present disclosure.
Referring to fig. 2 and fig. 3, in one embodiment, the driving circuit 120 transmits a data signal to the panel 900 during the first stage.
Referring to fig. 4, in the second stage, the circuit path of the driving circuit 120 is broken, and the detection signal returns a feedback signal to the processing circuit 110 and the at least one switching circuit 121 at the broken position.
Referring to fig. 5, in a third stage, at least one switching circuit 121 receives a feedback signal to turn on, and at least one switching circuit 121 transmits a data signal to a panel 900.
In one embodiment, the processing circuit 110 further includes a timing controller 115 and a data signal source 117. In connection, the data signal source 117 is coupled to the timing controller 115.
The timing controller 115 is used for providing a plurality of timing signals. Then, the data signal source 117 provides a data signal according to the plurality of timing signals.
In one embodiment, the driving circuit 120 further includes at least one amplifying circuit 123. The at least one amplifying circuit 123 is configured to receive and amplify the feedback signal.
Fig. 6 is a schematic diagram illustrating a detection device and a display panel according to an embodiment of the disclosure. Fig. 7 is a detailed circuit diagram illustrating a detection device according to an embodiment of the present disclosure. Referring to fig. 6 and fig. 7 together, compared to the detection apparatus 100 shown in fig. 1, the power circuit 130A of the detection apparatus 100A of fig. 6 and fig. 7 further includes a repair power source 133A, and the at least one switching circuit 121A of the detection apparatus 100A further includes a repair device 125A. In connection, the repair power source 133A is coupled to at least one switching circuit 121A.
In one embodiment, the repair power source 133A is configured to provide a repair signal. Subsequently, the repair element 125A is configured to receive the repair signal to repair the driving circuit 120A. For example, the repair element 125A may be made of a high-resistance material, which may be a titanium alloy (e.g., ti/Al/Ti) or a molybdenum alloy (e.g., mo/Al/Mo), but the disclosure is not limited thereto.
In order to facilitate the above-mentioned operation of the detection device 100A, please refer to fig. 7 to 10 together, fig. 8 to 10 are schematic diagrams illustrating the operation of the detection device shown in fig. 7 according to an embodiment of the disclosure.
Referring to fig. 7 and fig. 8, in one embodiment, in the first stage, the driving circuit 120A transmits the data signal to the panel 900A.
Referring to fig. 9, in the second stage, the circuit path of the driving circuit 120A is broken, and the detection signal returns a feedback signal to the processing circuit 110A and the at least one switching circuit 121A at the position of the broken circuit.
Referring to fig. 10, in a third stage, at least one switching circuit 121A receives a feedback signal to be turned on, and at least one switching circuit 121A transmits a repair signal to be broken for repair, so that the driving circuit 120A can transmit a data signal to the panel 900A through its circuit path.
In one embodiment, the processing circuit 110A also includes a gamma signal source 119A. In connection, the gamma signal source 119A is coupled to the timing controller 115A. The gamma signal source 119A is used for providing a gamma signal.
Fig. 11 is a cross-sectional view showing a driving circuit structure of a detecting device according to an embodiment of the present disclosure. Fig. 12 is a cross-sectional view showing a driving circuit structure of a detecting device according to an embodiment of the present disclosure.
Referring to figure 11 and figure 12 of the drawings, the driving circuit 200 further includes a first insulating layer (e.g., 210A), a second insulating layer (e.g., 220A), a third insulating layer (e.g., 230A) the first metal layer (e.g., 240A), the repair material (e.g., 250A), the repair circuit trace (e.g., 260A), and the fourth insulating layer (e.g., 270A). In connection with the connection, a second insulating layer (e.g., 220A) is stacked over the first insulating layer (e.g., 210A), a third insulating layer (e.g., 230A) is stacked over the first insulating layer (e.g., 210A) and adjacent to the second insulating layer (e.g., 220A), a first metal layer (e.g., 240A) is stacked over the second insulating layer (e.g., 220A), repair material (e.g., 250A) is stacked on both sides and/or over the first metal layer (e.g., 240A), repair circuit traces (e.g., 260A) are adjacent to the repair material (e.g., 250A) or stacked over the repair material (e.g., 250A), the fourth insulating layers (e.g., 270A) are stacked over the repair circuit traces (e.g., 260A) and on the uppermost layer inside the driving circuit 200.
In one embodiment, the first metal layer (e.g., 240A) is used to transfer data signals. For example, the first insulating layer (e.g., 210A) may be Polyimide (PI), the second insulating layer (e.g., 220A) may be an organic Buffer passivation layer (Organic Buffer passivation, OBP), the material of the organic Buffer passivation layer may be a photoresist material, the third insulating layer (e.g., 230A) may be a Buffer Layer (BL), the material of the Buffer layer may be silicon nitride (SiNx) or silicon oxide (SiOx), the first Metal layer (e.g., 240A) may be a Metal layer (Metal layer 2, m 2), the Metal layer material may be a titanium alloy (Ti/Al/Ti), the fourth insulating layer (e.g., 270A) may be an organic Buffer passivation layer (Organic Buffer passivation, OBP), and the material of the organic Buffer passivation layer may be a photoresist material.
Referring to fig. 10-12, in one embodiment, the repair device 125A is configured to receive a repair signal to repair the driving circuit 120A. For example, the repair element 125A is configured to receive a repair signal to generate thermal energy to melt the repair material (e.g., 250A), and the melted repair material (e.g., 250A) is configured to repair a circuit break or defect on the driving circuit 120A.
Fig. 13 is a top view illustrating a driving circuit structure of a detecting device according to an embodiment of the present disclosure. As shown, the driving circuit 200 has a serpentine shape.
Referring to fig. 11 and fig. 13 together, in an embodiment, fig. 13 is a top view of the driving circuit 200 of fig. 11, the top view of the driving circuit 200 has a snake shape, and the driving circuit 200 includes a first insulating layer 210, a second insulating layer 220, a third insulating layer 230, a first metal layer 240, a repair material 250, a repair circuit trace 260 and a fourth insulating layer 270. For example, the driving circuit 200 may have a serpentine shape or a linear shape, but the serpentine shape can bear more stress, avoid excessive breaking, and dispose the repairing material 250 at the bending portion with larger stress, so as to repair the bending portion in real time.
Referring to fig. 12 and fig. 13 together, in an embodiment, fig. 13 is a top view of the driving circuit 200A of fig. 12, the top view of the driving circuit 200A shows a snake shape, and the driving circuit 200A includes a first insulating layer 210A, a second insulating layer 220A, a third insulating layer 230A, a first metal layer 240A, a repair material 250A, a repair circuit trace 260A and a fourth insulating layer 270A.
Fig. 14 is a flow chart illustrating a detection method according to an embodiment of the present disclosure. The detection method 300 comprises the following steps:
step 310: a detection signal is provided by the detector 111, and the detection signal passes through the driving circuit 120;
step 320: receiving a feedback signal from the driving circuit 120 through the detector 111;
step 330: calculating, by the calculator 113, a position of the open circuit based on the feedback signal;
step 340: at least one switching circuit 121 passing through the driving circuit 120 switches a circuit path of the data signal according to a position of the open circuit.
For easy understanding of the detection method 300, please refer to fig. 1 and 14 together. In step 310, a detection signal can be provided by the detector 111, and the detection signal passes through the driving circuit 120.
Then, in step 320, the feedback signal of the driving circuit 120 can be received by the detector 111.
Next, in step 330, the position of the open circuit may be calculated by the calculator 113 according to the feedback signal.
Then, in step 340, the circuit path of the data signal can be switched according to the position of the open circuit by at least one switching circuit 121 of the driving circuit 120.
Fig. 15 is a flow chart illustrating a detection method according to an embodiment of the present disclosure. For easy understanding of the detection method 300A of fig. 15, please refer to fig. 2 and 15 together. The detection method 300A of fig. 15 includes the following steps:
step 310A: a detection signal is provided by the detector 111, and the detection signal passes through the driving circuit 120;
step 320A: detecting whether a feedback signal exists;
step 330A: calculating, by the calculator 113, a position of the open circuit based on the feedback signal;
step 340A: at least one switching circuit 121 passing through the driving circuit to switch the circuit path of the data signal according to the position of the open circuit;
step 350A: judging whether the bright and dark lines are obvious or not;
step 360A: the panel 900 is poor;
step 370A: panel 900 permits.
In an embodiment, the difference between the detection method 300A of fig. 15 and the detection method 300 of fig. 14 is the determination flow of step 320A of the detection method 300A. In step 320, whether there is a feedback signal can be detected by the detector 111. When the feedback signal is detected by the detector 111, step 330A is performed to calculate the position of the circuit breaker from the feedback signal by the calculator 113.
In one embodiment, when no feedback signal is detected by the detector 111, then step 370A is performed to determine panel 900 approval. For example, when no feedback signal is detected by the detector 111, i.e. no open circuit is generated by the driving circuit 120, the panel 900 is determined to be permitted.
In an embodiment, referring to step 350A, it may be further determined whether a plurality of bright and dark lines of the panel 900 are obvious, wherein the bright and dark lines are caused by the open circuit inside the driving circuit 120. For example, whether the plurality of bright and dark lines of the panel 900 caused by the open circuit inside the driving circuit 120 are obvious or not can be determined by human eyes or sensors.
In one embodiment, referring to step 350A and step 360A, when the driving circuit 120 is disconnected, it is determined that the plurality of bright and dark lines of the panel 900 are obvious, and when the plurality of bright and dark lines of the panel 900 are obvious, it is determined that the panel 900 is not good.
In one embodiment, referring to step 350A and step 370A, when the driving circuit 120 repairs the circuit path of the data signal or switches the circuit path of the data signal through at least one switching circuit 121, it is determined that the bright and dark lines of the panel 900 are not obvious, and when the bright and dark lines of the panel 900 are not obvious, it is determined that the panel 900 is permitted.
Fig. 16 is a flow chart illustrating a detection method according to an embodiment of the present disclosure. In comparison with the detection method 300A shown in fig. 15, the detection method 300B of fig. 16 has a step of repairing the driving circuit 120. For easy understanding of the detection method 300B of fig. 16, please refer to fig. 7 and 16 together. The detection method 300B of fig. 16 includes the following steps:
step 310B: a detection signal is supplied through the detector 111A, and the detection signal passes through the driving circuit 120A;
step 320B: detecting whether a feedback signal exists;
step 330B: calculating, by the calculator 113A, a position of the open circuit based on the feedback signal;
step 340B: at least one switching circuit 121A of the driving circuit 120A for switching a repair circuit path of the repair signal according to the position of the open circuit, and a repair element 125A for receiving the repair signal to repair the driving circuit 120A;
step 350B: judging whether the number of times the driving circuit 120A is repaired by the repairing element 125A is less than 3 times;
step 360B: panel 900A is poor;
step 370B: panel 900A permits.
In an embodiment, referring to step 350B, it may be further determined whether the number of times of repairing the driving circuit 120A by the repairing device is less than 3. For example, it can be determined by a person or a computer whether the number of times the driving circuit 120A is repaired by the repairing device 125A is less than 3.
In one embodiment, referring to step 360B, when the number of times the repair device 125A repairs the driving circuit 120A is greater than 3, the panel 900A is determined to be bad.
In one embodiment, when the number of times the repair device 125A repairs the driving circuit 120 is less than 3, the step 320B is performed again to detect whether there is a feedback signal, and if there is no feedback signal, the step 370B is performed to determine that the panel 900A is permitted.
As can be seen from the above-described embodiments of the present disclosure, the application of the present disclosure has the following advantages. The detection device and the detection method can switch the circuit path of the data signal according to the position of the open circuit, so that the problem of abnormal picture of the display caused by the open circuit can be solved.
While the foregoing is directed to embodiments of the present disclosure, other and further embodiments of the disclosure may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (19)
1. A detection device, comprising:
a processing circuit, comprising:
a detector for providing a detection signal and receiving a feedback signal; and
a calculator for calculating a position of an open circuit according to the feedback signal; and
a driving circuit coupled to the processing circuit, comprising:
at least one switching circuit for switching a circuit path of a data signal according to the position of the open circuit,
wherein the detecting means detects a break in a display circuit,
wherein the at least one switching circuit adjacent to the position of the open circuit is turned on according to the position of the open circuit, and the data signal is transmitted to a panel through the at least one switching circuit.
2. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the driving circuit delivers the data signals to the panel during a first phase.
3. The detecting device according to claim 2, wherein in a second phase, the circuit path of the driving circuit is broken, and the detecting signal returns the feedback signal to the processing circuit and the at least one switching circuit at the position of the broken circuit.
4. The detecting device for detecting the rotation of a motor rotor as claimed in claim 3, wherein at least one switching circuit receives the feedback signals to be turned on and transmits the data signals to the panel during a third phase.
5. The detection device of claim 1, wherein the processing circuit further comprises:
a timing controller for providing a plurality of timing signals; and
a data signal source coupled to the timing controller and providing the data signal according to the timing signals;
wherein the driving circuit further comprises:
at least one amplifying circuit for receiving and amplifying the feedback signal.
6. The detection device of claim 5, further comprising:
a power supply circuit, comprising:
a driving power source coupled to the panel for providing a panel power source.
7. The detection device of claim 6, wherein the power circuit further comprises:
a repair power supply coupled to the at least one switching circuit for providing a repair signal;
wherein the at least one switching circuit comprises:
a repair element for receiving the repair signal to repair the driving circuit.
8. The detecting device for detecting the rotation of a motor rotor as claimed in claim 7, wherein the driving circuit delivers the data signals to the panel during a first phase.
9. The detecting device according to claim 8, wherein in a second phase, the circuit path of the driving circuit is broken, and the detecting signal returns the feedback signal to the processing circuit and the at least one switching circuit at the position of the broken circuit.
10. The detecting device for detecting the rotation of a motor rotor as claimed in claim 9, wherein in a third phase, the at least one switching circuit receives the feedback signal to be turned on, and the at least one switching circuit transmits the repairing signal to the open circuit for repairing, so that the circuit path of the driving circuit transmits the data signal to the panel.
11. The detection apparatus of claim 5, wherein the processing circuit further comprises:
a gamma signal source coupled to the timing controller for providing a gamma signal.
12. The detecting device according to claim 7, wherein the driving circuit further comprises:
a first insulating layer;
a second insulating layer stacked over the first insulating layer;
a third insulating layer stacked above the first insulating layer and adjacent to the second insulating layer;
a first metal layer stacked above the second insulating layer for transmitting the data signal;
a repair material stacked on both sides and/or above the first metal layer;
a repair circuit trace adjacent to the repair material or stacked above the repair material; and
a fourth insulating layer stacked above the repair circuit trace and stacked on the uppermost layer inside the driving circuit.
13. A method of detection comprising:
providing a detection signal by a detector, wherein the detection signal passes through a driving circuit;
receiving a feedback signal of the driving circuit through the detector;
calculating a position of an open circuit according to the feedback signal by a calculator; and
at least one switching circuit passing through the driving circuit to switch a circuit path of a data signal according to the position of the circuit break,
wherein the detection method detects a break in a display circuit,
wherein the at least one switching circuit adjacent to the position of the open circuit is turned on according to the position of the open circuit, and the data signal is transmitted to a panel through the at least one switching circuit.
14. The detection method of claim 13, further comprising:
judging whether a plurality of bright and dark lines of the panel are obvious or not caused by the circuit breaking inside the driving circuit.
15. The detection method of claim 14, further comprising:
when the drive circuit has the open circuit, judging that the bright and dark lines of the panel are obvious; and
when the driving circuit repairs the open circuit or switches the circuit path of the data signal through the at least one switching circuit, the bright and dark lines of the panel are judged to be not obvious.
16. The detection method of claim 15, further comprising:
when the bright and dark lines of the panel are obvious, judging that the panel is not good; and
when the bright and dark lines of the panel are not obvious, the panel permission is determined.
17. The method of claim 16, wherein the step of switching the circuit path of the data signal according to the position of the open circuit by the at least one switching circuit of the driving circuit comprises:
the at least one switching circuit of the driving circuit is used for switching a repairing circuit path of the repairing signal according to the position of the circuit breaking, and the repairing element is used for receiving the repairing signal to repair the driving circuit.
18. The detection method of claim 17, further comprising:
judging whether the number of times of repairing the driving circuit by the repairing element is less than 3.
19. The detection method of claim 18, further comprising:
it is detected whether there is a feedback signal,
when the number of times of repairing the driving circuit by the repairing element is more than 3, judging that the panel is not good; and
when the number of times of repairing the driving circuit by the repairing element is less than 3, detecting whether a feedback signal exists again, and if the feedback signal does not exist, judging that the panel is permitted.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW110140479A TWI795971B (en) | 2021-10-29 | 2021-10-29 | Detection device and detection method |
| TW110140479 | 2021-10-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114495779A CN114495779A (en) | 2022-05-13 |
| CN114495779B true CN114495779B (en) | 2024-03-15 |
Family
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| TW202318371A (en) | 2023-05-01 |
| CN114495779A (en) | 2022-05-13 |
| TWI795971B (en) | 2023-03-11 |
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