CN104332113B - Display panel and recognition system and method for delivery source of colorful filtering substrate of display panel - Google Patents

Abstract

The invention discloses a display panel and a recognition system and method for a delivery source of a colorful filtering substrate of the display panel. The recognition method for the delivery source of the colorful filtering substrate the the display panel comprises the following steps: sending at least one change signal to at least one factory-name identifying part of the display panel; obtaining a sensing signal generated by sensing of the factory-name identifying part for the change signal; according to the sensing signal, recognizing the delivery source of the colorful filtering substrate.

Description

System and method for identifying factory source of display panel and its color filter substrate

technical field

The present invention relates to a display panel, and in particular to a display panel, a system and a method for identifying the factory source of a color filter substrate of the display panel.

Background technique

Generally speaking, due to the demand restriction of the purchase quantity, it is inevitable that the display panels of the same model need to use color filters supplied by different factories. Because of this, since the color filters on the display panel are not from the same manufacturer, the display panel needs to set the corresponding parameter setting data according to the color filter of different manufacturers, so as to avoid color deviation in the display screen of the display panel defects, thus affecting the overall quality of the display screen. Therefore, in order to actually set appropriate parameter setting data to the display panel in response to color filter plates of different manufacturers, the setting personnel need to have a way to distinguish the factory source of the color filter plates on the display panel.

The current identification method is to pre-print the part number code on the color filter plate, so the operator needs to manually identify the part number code of these color filter plates with the naked eye to distinguish the color filter plate on the display panel from the factory. The purpose of the source is to allow the display panel to accept the appropriate parameter setting data in response to the color filter plates of different manufacturers. However, since this kind of distinction needs to be manually identified by the naked eye, the material number code on the color filter plate is difficult to identify and easy to confuse, which not only consumes processing time, but also increases the workload of the operator.

It can be seen that there are still inconveniences and defects in the above-mentioned way of distinguishing the color filter plates, and need to be further improved. Therefore, how to effectively solve the above-mentioned inconveniences and defects is one of the current important research and development issues, and it has also become a target for improvement in the current related fields.

Contents of the invention

To achieve the above purpose, the present application provides a display panel, comprising:

a color filter substrate;

an array substrate, combined with the color filter substrate pair, and has a display area and a non-display area; and

At least one factory identification part is located in the non-display area of the array substrate, and the factory identification part includes:

a receiving pin for receiving a change signal; and

A sensing pin is used for sensing a sensing signal in response to the change signal received by the receiving pin.

In the above display panel, the number of the at least one factory identification part is multiple, and each of the factory identification parts further includes a first conductive pad, and the first conductive pad is exposed on the non-conductive pad of the array substrate. In the display area, and electrically connected to the sensor pin of the same factory identification part.

In the above display panel, each of the factory identification parts further includes a second conductive pad, the second conductive pad is exposed in the non-display area of the array substrate, and is electrically connected to the same factory identification part The receiving pin.

The above-mentioned display panel further includes: a single second conductive pad, which is exposed in the non-display area of the array substrate and is electrically connected to the receiving pins of all the factory identification parts.

In the above display panel, there is an air gap between the color filter substrate and the array substrate at positions corresponding to the factory identification parts.

In the above display panel, the color filter substrate includes: at least one spacer sandwiched between the color filter substrate and the array substrate, and located at a position corresponding to one of the factory identification parts.

In order to achieve the above purpose, the present application also provides an identification system for the factory source of the color filter substrate of the display panel, including: a signal transceiver device for sending at least one change signal to at least one factory identification part of the display panel , and obtain an induction signal induced by the factory identification part in response to the change signal; an identification device, electrically connected to the signal transceiver device, to identify the factory source of the color filter substrate according to the induction signal; And a comparison device, electrically connected the signal transceiving device and the identification device, wherein, when the signal transceiving device obtains a plurality of induction signals induced by the factory identification part respectively in response to the change signal, the comparison The comparison device compares whether the sensing signals are identical to each other, so that the identification device can identify the factory source of the color filter substrate according to the comparison result.

In order to achieve the above purpose, the present application also provides a method for identifying the factory source of the color filter substrate of the display panel, including: sending at least one change signal to at least one factory identification part of the display panel;

Obtain an induction signal induced by the at least one factory identification part in response to the at least one change signal; and identify the factory source of the color filter substrate according to the induction signal.

The above-mentioned method for identifying the factory source of the color filter substrate of the display panel, wherein according to the sensing signal, identifying the factory source of the color filter substrate also includes: judging whether the sensing signal is greater than a preset value, so as to obtain a The size comparison result; and according to the judgment size comparison result, compare the factory source of the color filter substrate.

The above-mentioned method for identifying the factory source of the color filter substrate of the display panel, wherein obtaining a sensing signal induced by the factory identification part in response to the change signal, further includes: obtaining a plurality of factory identification parts corresponding to at least one A plurality of induction signals respectively induced by changing the signal.

The above-mentioned method for identifying the factory source of the color filter substrate of the display panel further includes: taking one of the sensing signals as a reference, and judging whether the remaining sensing signals are the same as the sensing signal used as the reference; According to the comparison results generated by whether the induction signals are the same as the induction signals used as the reference or not, a permutation combination is obtained; and according to the permutation combination, the factory source of the color filter substrate is compared from a look-up table .

In this way, since the color filter plates supplied by different factories have been pre-configured with spacers or no spacers correspondingly on their factory identification parts according to predetermined rules, so when these color filter plates and the array substrate are paired After the display panel is assembled, the original factory source of the color filter substrate can be quickly identified by the identification system and method of the above embodiment. In this way, the user can easily identify the factory source of the color filter substrate on the display panel without manual identification by naked eyes, and then carry out corresponding follow-up work on the display panel, for example, according to the factory type of the color filter substrate Let the display panel accept the appropriate parameter setting data.

Description of drawings

1 is a flowchart of a method for identifying the factory source of a color filter substrate of a display panel according to a first embodiment of the present invention;

2A is a front view of a display panel according to the first embodiment of the present invention;

Fig. 2B is a partial enlarged view of part M in Fig. 2A;

Fig. 2 C is the I-I sectional view of Fig. 2 A;

FIG. 2D is a partial cross-sectional view of another display panel of the first embodiment, and its cross-sectional position is the same as that in FIG. 2C;

3A is a front view of a display panel according to a second embodiment of the present invention;

Fig. 3B is a partial enlarged view of part N of Fig. 3A;

FIG. 3C is a cross-sectional view of II-II of FIG. 3A;

3D to 3F are partial cross-sectional views of the display panel in other variations of the second embodiment of the present invention, and the cross-sectional positions are the same as those in FIG. 3C;

Fig. 4 is the schematic diagram of a look-up table;

FIG. 5 is a partial cross-sectional view of a display panel according to a third embodiment of the present invention, and its cross-sectional position is the same as that in FIG. 3C;

6 is a block diagram of an identification system according to a fourth embodiment of the present invention; and

FIG. 7 is a partial enlarged view of a display panel according to a fifth embodiment of the present invention, and its partial position is the same as that in FIG. 3B .

Among them, reference signs:

11~13: Step 100~108: Display panel

200: Color filter substrate 210～212: Spacer

300: Array substrate 310: Plant identification department

310L: left factory identification department 310M: middle factory identification department

310R: Right factory identification department 311: Receiving pin

312: Sensing pin 313: The first conductive pad

314: second conductive pad 315: wiring

320: Single second conductive pad 400: Identification system

410: Probe Module 411: First Conductive Probe Set

412: Second conductive probe set 420: Signal transceiver device

430: comparison device 440: identification device

450: writing device 460: data reading and writing module

500: look-up table AA: display area

AG: Air gap M, N partial

NA: non-display area N1: first area

N2: the second zone

detailed description

A number of implementations of the present invention will be disclosed below with the accompanying drawings. For the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and elements will be shown in a simple and schematic manner in the drawings.

first embodiment

FIG. 1 is a flowchart of a method for identifying the factory source of a color filter substrate of a display panel according to a first embodiment of the present invention. This identification method includes the following steps 11 to 13. In step 11, at least one change signal is sent to the factory identification part of the array substrate of the display panel. In step 12, the sensing signal induced by the factory identification part in response to the change signal is obtained. In step 13, according to the sensing signal, the factory source of the color filter substrate of the display panel is identified.

In this way, after the color filter plate and the array substrate are combined to form a display panel, the user does not need to manually identify the factory source of the color filter plate with the naked eye, and can identify the color filter on the display panel through the identification method of the first embodiment. The factory source of the optical substrate, so that the display panel can carry out the follow-up work corresponding to the specific factory source, such as allowing the display panel to accept appropriate parameter setting data according to the factory type of the color filter plate.

FIG. 2A is a front view of a display panel 100 according to the first embodiment of the present invention. As shown in FIG. 2A , in the first embodiment, the front of the display panel 100 can be at least divided into a display area AA (Active Area) and a non-display area NA (Non-Active Area). In FIG. 2A , the area defined by a dotted line frame within the front of the display panel 100 is the display area AA, and the area defined by the front of the display panel 100 outside the dotted line frame is the non-display area NA. The display area AA is adjacent to the non-display area NA, and the display area AA is surrounded by the non-display area NA for displaying a display content. But the present invention is not limited thereto. In other embodiments, the non-display area NA is located adjacent to the display area AA. For example, the non-display area NA is adjacent to the display area AA and located on a single side of the display area AA. The display panel 100 includes a color filter substrate 200 and an array substrate 300 . The color filter substrate 200 and the array substrate 300 are combined in pairs, and the area of the array substrate 300 is larger than that of the color filter substrate 200 . Therefore, the display area AA of the display panel 100 is the display area AA of the color filter substrate 200 . The display area AA and the non-display area NA of the display panel 100 are the display area AA and the non-display area NA of the array substrate 300 .

FIG. 2B shows a partial enlarged view of the part M in FIG. 2A . As shown in FIG. 2A and FIG. 2B , the display panel 100 further includes a factory identification part 310 . The factory identification part 310 is located on the array substrate 300 , and the factory identification part 310 is located in the non-display area NA of the array substrate 300 . The factory identification part 310 includes a receiving pin 311 and a sensing pin 312 . Both the receiving pins 311 and the sensing pins 312 are located in the non-display area NA of the array substrate 300 , and the receiving pins 311 and the sensing pins 312 are arranged adjacent to each other on one surface of the array substrate 300 . Specifically, the surface on which the receiving pins 311 and the sensing pins 312 are disposed refers to a side of the array substrate 300 facing the color filter substrate 200 . The receiving pin 311 can receive an external change signal. The sensing pin 312 can sense a corresponding sensing signal in response to the change signal received by the receiving pin 311 . In addition, the receiving pin 311 is electrically insulated from the sensing pin 312 , and the area of the receiving pin 311 and the sensing pin 312 facing the color filter substrate 200 is the same.

As shown in FIG. 2A and FIG. 2B , the factory identification part 310 further includes a first conductive pad 313 and a second conductive pad 314 . In this embodiment, the first conductive pad 313 is located in the non-display area NA, and the first conductive pad 313 is exposed on the surface of the array substrate 300 , in other words, the first conductive pad 313 is not covered by the color filter substrate 200 . The first conductive pad 313 is electrically connected to the sensing pin 312 of the same factory identification part 310 , for example, through a trace 315 . The second conductive pad 314 is located in the non-display area NA, and the second conductive pad 314 is exposed on the surface of the array substrate 300 , in other words, the second conductive pad 314 is not covered by the color filter substrate 200 . The second conductive pad 314 is electrically connected to the receiving pin 311 of the same factory identification part 310 , for example, through a wire 315 . The wiring 315 is a printed conductive circuit formed on the surface of the array substrate 300 by exposing, developing and etching processes, for example.

More specifically, the non-display area NA is further divided into a first area N1 and a second area N2. The first area N1 surrounds the display area AA. The receiving pins 311 and the sensing pins 312 are arranged adjacent to each other in the first area N1. The second area N2 is adjacent to one side of the first area N1 and is also called an Outer Lead Bonding area. Both the first conductive pad 313 and the second conductive pad 314 of the same factory identification part 310 are located in the second region N2. In this embodiment, the first area N1 surrounds the display area AA, and in the first area N1, the display panel 100 has a stacked color filter substrate 200 and an array substrate 300 . The second area N2 is adjacent to the first area N1 , and in the second area N2 , the color filter substrate 200 does not cover or stack on the array substrate 300 . In other words, in the second area N2, one surface of the array substrate 300 facing the color filter substrate 200 can be exposed, and other electronic components, such as circuit boards, electronic chips, etc., can be fixed in the second area. Inside N2.

However, the present invention is not limited thereto. As long as it can be electrically connected to the sensing pins of the same factory identification part and can be electrically connected by an identification system, the first conductive pad is not limited to be located in the outer pin bonding area. within, not even limited to the array substrate. In the same way, as long as it can be electrically connected to the receiving pin of the identification part of the same factory, and can be electrically connected by the identification system, the second conductive pad is not limited to be located in the outer pin bonding area, or even not limited to on the array substrate.

FIG. 2C is a sectional view of I-I in FIG. 2A , please refer to FIG. 2C . In this embodiment, there is no other thing between the color filter substrate 200 and the array substrate 300 of the display panel 100 in FIG. Air gap AG. In other words, in the factory identification part 310 , there is an air gap AG between the color filter substrate 200 and the array substrate 300 . In this way, when the receiving pin 311 receives an external change signal, the sensing pin 312 can sense the corresponding sensing signal through the air gap AG in response to the changing signal through the principle of voltage coupling.

The sensing principle takes the calculation formula of capacitance as an example:

C=(ε*ε ₀ *S)/d,

Among them, C: capacitance, ε: dielectric constant (the dielectric constant of air is about 1), ε ₀ : the absolute dielectric constant of vacuum, S: the area of the receiving pin 311, and d: the receiving pin 311 and the sensing pin Bit 312 spacing.

In this way, for example, when a change signal generates a voltage change, the sensing pin 312 can sense the waveform of the corresponding sensing signal through the air gap AG in response to the change signal. Taking the capacitance as several picofarads (Pf) as an example, when the change signal of the receiving pin 311 produces a voltage difference change of 3.3 volts, the sensing pin 312 receives about 30 millivolts (mV) due to the change in capacitance.

FIG. 2D is a partial cross-sectional view of another display panel 101 according to the first embodiment, and the cross-sectional position is the same as that in FIG. 2C . As shown in FIG. 2C and FIG. 2D , the color filter substrate 200 of the display panel 100 in FIG. 2C and the color filter substrate 200 of the display panel 101 in FIG. 2D belong to different types of factory sources. The structure of the display panel 100 in FIG. 2C is substantially the same as that of the display panel 101 in FIG. 2D . One of the differences is that a spacer 210 is provided in the factory identification part 310 of FIG. 2D , and the spacer 210 is sandwiched between the color between the filter substrate 200 and the array substrate 300 . The spacer 210 covers the receiving pin 311 and the sensing pin 312 of the same factory identification part 310 at the same time, at least physically contacting the receiving pin 311 and the sensing pin 312 of the same factory identification part 310 at the same time.

In this way, when the receiving pin 311 receives an external change signal, through the above-mentioned voltage coupling principle, the sensing pin 312 can pass through the spacer 210 to induce a corresponding sensing signal in response to the changing signal.

Since the spacer 210 covers the receiving pin 311 and the sensing pin 312 of the same factory identification part 310 at the same time, the spacer 210 will interfere with the sensing pin 312 of the same factory identification part 310 and thus change the induction induced by the signal signal, so that the sensing signal induced by the sensing pin 312 of the display panel 101 (FIG. 2D) configured with the spacer 210 will be the same as the sensing signal 312 of another display panel 100 (FIG. 2C) without the spacer Significant differences are produced in the induced sensing signals. Generally speaking, the sensing signal sensed by the sensing pins 312 of another display panel 100 ( FIG. 2C ) without spacers will be larger than the sensing pins of this display panel 101 ( FIG. 2D ) equipped with spacers 210 The induction signal induced by 312.

From the above, it can be understood that when the factory source is identified, a change signal can be provided on the sensing pin 312 of each panel, and the sensing signal can be measured at the receiving pin 311 of each panel, and then through the sensing signal. Determine the factory source of each panel. For example, the display panel 100 shown in FIG. 2C is from factory A, and the display panel 100 shown in FIG. 2D is from factory B. When a change signal is provided to the display panel whose factory source is to be confirmed, the resulting induction signal is consistent with When the display panels shown in Figure 2C are the same, it can be determined that the display panel whose factory source is to be confirmed is from factory A, not factory B.

The above method of identifying the source of delivery is not limited in the present invention. Therefore, when identifying the factory source of the color filter substrate 200 of any of the above-mentioned display panels 100, 101, in this embodiment, the identification method can be further implemented by the display panels 100, 101 described in the first embodiment (Fig. 2C or FIG. 2D ), first compare whether the sensing signal is greater than a preset value, so as to obtain a magnitude comparison result. According to the size comparison result, the factory source of the color filter substrate 200 is compared.

More clearly, if the comparison shows that the induction signal is greater than the preset value, it is determined that the factory source of the color filter substrate 200 (FIG. 2C) is one of the two factory sources; If the sensing signal is not greater than the preset value, it is determined that the factory source of the color filter substrate 200 ( FIG. 2D ) is another factory source. For example, the above comparison result based on the magnitude of the sensing signal and the preset value is the comparison result of the magnitude of the waveform generated according to the sensing signal and the magnitude of the preset value.

It should be understood that since the dielectric material of the spacer will affect the sensed capacitance, different dielectric materials of the spacer will naturally have different sensing signals. In addition, the capacitance is not only related to the properties of the dielectric material of the spacer, but also related to the volume (such as thickness) of the spacer. Therefore, in response to different dielectric materials or spacers with different thicknesses, whether to adjust the preset value should also be considered.

In this way, when the factory source of the color filter substrate of any of the above-mentioned display panels is identified, the follow-up work corresponding to the specific factory source of the color filter substrate can be carried out on this display panel, for example, according to the factory type of the color filter substrate And let the display panel accept the appropriate parameter setting data.

It should be understood that, in order to allow the color filter substrate 200 to be identified from its factory source, each color filter plate supplied by different factories has been placed in the position corresponding to the factory identification part 310 according to predetermined rules before leaving the factory. The spacer 210 is pre-arranged or the spacer 210 is not configured. In other words, the color filter substrate 200 in FIG. 2C does not need to arrange the spacer 210 at the position corresponding to the factory identification part 310 in the future, and only the color filter substrate 200 in FIG. 2D needs to arrange the spacer 210 in the future corresponding position. The location of the factory identification unit 310.

In this way, since the color filter substrate needs to be combined with the array substrate to form a display panel, it is convenient for the user to write parameter setting data by disposing the factory identification part on the array substrate facing the pin bonding area outside the color filter substrate. Before importing (that is, burning) the array substrate, first identify the factory source of the color filter substrate.

In addition, the present invention is not particularly limited to the material or type of the spacer, and the spacer is, for example, a color filter resist or a photosensitive resin of the same material as a photospacer. In this way, when manufacturing the color filter substrate with spacers, the above-mentioned spacers can be formed in the non-display area during the process, which can avoid additional procedures for deliberate fabrication to avoid increasing labor costs and time. Moreover, the above-mentioned receiving pins and sensing pins can also be formed together in the photomask process of the metal layer (M1/M2) of the array substrate.

second embodiment

FIG. 3A shows a front view of a display panel 102 according to a second embodiment of the present invention, and FIG. 3B shows a partial enlarged view of a part N in FIG. 3A . As shown in FIG. 3A and FIG. 3B , the structure of the display panel 102 in this embodiment is substantially the same as that of the display panel 100 in the first embodiment. One of the differences is that the number of factory identification parts 310 is multiple, and these The receiving pins 311 and the sensing pins 312 in the factory identification part 310 are arranged alternately, and the first conductive pads 313 and the second conductive pads 314 in the factory identification part 310 are arranged alternately. In addition, in the second embodiment, the number of spacers 211 is less than the number of factory identification parts 310 .

For example, FIG. 3C shows the II-II sectional view of FIG. 3A. 3D to 3F are partial cross-sectional views of display panels 103 to 105 according to other variations of the second embodiment of the present invention, and the cross-sectional positions are the same as those in FIG. 3C . The color filter substrates 200 of the display panels 102-105 in FIGS. 3C-3F belong to four factory sources respectively. Each of the display panels 102-105 has three factory identification parts 310, which are respectively referred to as the left factory identification part 310L, the middle factory identification part 310M and the right factory identification part 310R from left to right. Each of the left factory identification parts 310L of the display panels 102 to 105 in FIGS. 3C to 3F is used as a control group, and each control group is set without spacers. At least one of the factory identification parts 310R is configured with a spacer 211 ( FIG. 3D to FIG. 3F ), or none of them has a spacer ( FIG. 3C ).

Compared with the display panels 103-105 in FIG. 3D-FIG. 3F, since the display panel 102 in FIG. With spacers, only with air gap AG.

Since the spacer will interfere and affect the sensing signal induced by the same factory identification part in response to the change signal, so, in the display panels 103-105 of Fig. 3D ~ 3F, the factory identification part 310M equipped with the spacer 211 And/or the induction signal induced by 310R is significantly different from the induction signal induced by the factory identification part 310M or 310R without spacers.

In addition, in the display panel 105 of FIG. 3F , there is almost no significant difference in the sensing signals sensed by the middle factory identification part 310M and the right factory identification part 310R which are also configured with the spacer 211 . Similarly, in the display panel 102 of FIG. 3C , there is almost no significant difference in the sensing signals sensed by the middle factory identification part 310M and the right factory identification part 310R which also do not have the spacer 210 .

In this way, when the identification method identifies the factory source of the color filter substrate 200 of the display panels 102-105, firstly, the induction signal sensed by the control group (the left factory identification part 310L) is used as a reference to determine the intermediate factory Whether the induction signals induced by the identification part 310M and the right factory identification part 310R are the same as the induction signals of the control group (left factory identification part 310L) respectively, to obtain a comparison result respectively; then, through these A permutation combination is obtained as a comparison result; then, by identifying the production source represented by the permutation combination, the production source of the color filter substrates 200 of the display panels 102-105 is identified.

More clearly, when identifying the factory source of the color filter substrate 200 of the display panel 102 in FIG. There is no significant difference between the induction signals induced by the part 310L and the middle factory identification part 310M (0), and there is no obvious difference between the induction signals induced by the left factory identification part 310L and the right factory identification part 310 (0) . In this way, since the permutation combination obtained by these comparison results is (0, 0), please refer to FIG. 4, and the display of FIG. 3C can be compared in the look-up table 500 of FIG. The factory source of the color filter substrate 200 of the panel 102 is, for example, manufacturer A.

When identifying the factory source of the color filter substrate 200 of the display panel 103 of FIG. When the induction signals sensed by the identification part 310M and the factory identification part 310 on the right are significant difference (1) and no significant difference (0), the comparison result can be obtained as (1, 0) , Therefore, according to the permutation combination (1, 0), the factory source of the color filter substrate 200 of the display panel 101 in FIG. 3D is compared with the look-up table 500 in FIG.

When identifying the factory source of the color filter substrate 200 of the display panel 104 of FIG. When the induction signals sensed by the factory identification part 310M and the right factory identification part 310 are no significant difference (0) and significant difference (1), the comparison results can be obtained as (0, 1) ), therefore, according to the permutation and combination (0, 1), compare the look-up table 500 in FIG. 4 to find out that the factory source of the color filter substrate 200 of the display panel 104 in FIG.

When identifying the factory source of the color filter substrate 200 of the display panel 105 of FIG. 3F , since only the factory identification part 310L on the left does not have a spacer, similarly, the factory identification part 310L on the left and the middle part The sensing signals sensed by the factory identification part 310M and the right factory identification part 310 are all obviously different (1). In this way, the permutation and combination can be obtained as (1, 1) from these comparison results. Therefore, the color filter of the display panel 105 in FIG. 3F can be compared in the look-up table 500 of FIG. The factory source of the optical substrate 200 is, for example, manufacturer D.

In this way, when the factory source of the color filter substrate of any of the above-mentioned display panels is identified, the follow-up work corresponding to the specific factory source of the color filter substrate can be carried out on this display panel, for example, according to the factory type of the color filter substrate And let the display panel accept the appropriate parameter setting data.

However, the present invention is not limited thereto. In order to increase the number of types of identifiable factory sources, those skilled in the art can also configure the left factory identification part with a spacer; or increase the number of factory identification parts to increase the above arrangement The type of combination.

Similarly, in order to allow the color filter substrate to be identified from its factory source, each color filter plate supplied by different factories has been pre-identified at the position corresponding to the factory identification department according to predetermined rules before leaving the factory. Configure spacers, or set not to configure spacers. For example, before the color filter substrate 200 in FIG. 3E leaves the factory, the spacer 211 needs to be arranged only at the position corresponding to the factory identification part 310R on the right in the future. In the color filter substrate 200 of FIG. 3F , the spacer 211 needs to be arranged at a position corresponding to the left factory identification part 310L and the middle factory identification part 310M in the future.

In addition, the present invention is not particularly limited to the material or type of the spacer, and the spacer is, for example, a color filter resist or a photosensitive resin of the same material as a photospacer. In this way, when manufacturing the color filter substrate with spacers, the above-mentioned spacers can be formed in the non-display area during the process, which can avoid additional procedures for deliberate fabrication to avoid increasing labor costs and time. Furthermore, in this embodiment, the factory identification part is arranged on the array substrate, so that the receiving pins and the sensing pins can be formed together in the photomask process of the metal layer (M1/M2) in the array substrate.

third embodiment

Although in the above-mentioned embodiments, the spacer between the identification part of the same factory physically touches the receiving pin and the sensing pin of the same factory identification part at least simultaneously, however, the present invention is not limited thereto. In other embodiments, please refer to FIG. 5 5 is a partial cross-sectional view of the display panel 106 according to the third embodiment of the present invention, and its cross-sectional position is the same as that in FIG. 3C. The structure of the display panel 106 in this embodiment is substantially the same as that of the display panel 102 in the second embodiment. One of the differences is that the spacer 212 is interposed between the receiving pin 311 and the sensing pin 312 of the identification part 310 of the same factory. In between, that is, the spacer 212 does not physically contact the receiving pin 311 and the sensing pin 312 , and keeps a distance from the receiving pin 311 and the sensing pin 312 respectively.

In addition, the size of the sensing signal (that is, capacitance) induced by the sensing pin 312 is not only related to the characteristics of the dielectric material of the spacer, but also related to the thickness of the spacer. Between the receiving pin 311 and the sensing pin 312 of the same factory identification part 310, through the influence of the spacer 212, the sensing pin 312 in the same factory identification part 310 as the spacer 212 can also sense Different sensing signals (ie, capacitance), therefore, those skilled in the art can also incorporate the configuration of the spacers of the third embodiment into the display panel, so as to increase the number of types of identifiable factory sources.

Fourth Embodiment

FIG. 6 shows a block diagram of an identification system 400 according to a fourth embodiment of the present invention. As shown in FIG. 3B and FIG. 6 , the identification system 400 includes a probe module 410 , a signal transceiving device 420 , a comparison device 430 and an identification device 440 . The signal transceiving device 420 is electrically connected to the probe module 410 and the comparing device 430 . The probe module 410 has a first conductive probe set 411 and a second conductive probe set 412 . The first conductive probe set 411 and the second conductive probe set 412 respectively include a plurality of conductive probes (not shown in the figure). The probe module 410 contacts the first conductive pad 313 of the factory identification part 310 through the first conductive probe set 411, so that the first conductive probe set 411 can be electrically connected to the factory through the first conductive pad 313 respectively The sensing pin 312 of the identification part 310 (FIG. 3B) and the second conductive pad 314 of the factory identification part 310 are contacted by the second conductive probe set 412, so that the second conductive probe set 412 can be electrically connected respectively The receiving pin 311 of the factory identification part 310 . The signal transceiver device 420 transmits at least one change signal to the receiving pin 311 of the factory identification part 310 via the second conductive probe set 412 and the second conductive pad 314, and transmits at least one change signal from the first conductive pad 313 and the first conductive probe set 411 Obtain the induction signal induced by the induction pin 312 of the factory identification part 310 in response to the change signal. The identification device 440 is electrically connected to the comparison device 430, and the identification device 440 may be a computer unit, a micro control unit (MCU) or a combination of the two, however, the present invention is not limited thereto.

In this way, when the signal transceiver device 420 obtains the induction signal induced by the factory identification part 310 in response to the change signal, the identification device 440 receives the induction signal from the signal transceiver device 420, and according to the factory source represented by the induction signal, and The factory source of the color filter substrate 200 is identified.

More specifically, as shown in FIG. 3B and FIG. 6 , when the conductive probes of the first conductive probe group 411 and the conductive probes of the second conductive probe group 412 respectively contact all the factory identification parts 310 When the first conductive pad 313 and the second conductive pad 314 are used, the signal transceiver device 420 first sends at least one change signal to the receiving pins 311 of all the factory identification parts 310 through the first conductive pad 313 of all the factory identification parts 310; then , the signal transceiving device 420 obtains all the induction signals induced by all the factory identification parts 310 in response to the change signal; then, the comparison device 430 uses one of the induction signals as a reference to judge whether the induction signals of the other factory identification parts 310 are They are respectively the same as the sensing signals as the reference; the comparison device 430 will obtain a permutation and combination according to the comparison results generated by whether the remaining sensing signals are the same as the sensing signals as the reference respectively; and the identification device 440 according to this permutation and combination, From the above look-up table 500 ( FIG. 4 ), compare the factory source of the color filter substrate. The look-up table 500 is modifiably built into the comparison device 430 . When the comparison device 430 compares the permutations and combinations through the look-up table 500, the comparison device 430 compares the name of the factory source of the color filter substrate in the look-up table 500 corresponding to the type of permutation and combination. However, the present invention is not limited thereto, and those skilled in the art can change/adjust the above comparison basis according to requirements and limitations.

As shown in FIG. 3A and FIG. 6 , the identification system 400 further includes a writing device 450 (such as a chip writer). The writing device 450 is electrically connected to at least one pin (not shown) of the identification device 440 and the display panel 102 . In this way, when the recognition system 400 automatically recognizes the factory source of the color filter substrate 200 of any of the above-mentioned display panels 102 and matches at least one parameter setting data, the writing element of the recognition system 400 will match The parameter setting data from the factory is correctly written (that is, burned) into the array substrate 300 of the display panel 102 through a data read-write module 460 , so that wrong parameter setting data cannot be written into the display panel 102 .

The above parameter setting data includes a Gamma value, a timing initial value or any combination thereof. However, the present invention is not limited thereto, and those skilled in the art may also incorporate other reference values into the parameter setting data according to actual needs. In addition, the identification system of the present invention can also be integrated in the one-time programmable burning station and the inspection program of the conductive adhesive coating process.

It should be understood that the above-mentioned signal transceiving device, comparison device, identification device and writing device can all be software/firmware programs, or be executed by a processor (such as a central processing unit, a graphics processing unit or a single chip). The whole of software/firmware programs cooperating together. In addition, when the signal transceiving device sends at least one change signal to the receiving pin of the factory identification part, the signal transceiving device makes the receiving pin change in the differential pressure signal, so that the sensing pins adjacent to the receiving pin can receive the corresponding signal. The change of the pin position will induce the corresponding capacitance waveform change. When the comparing device compares the sensing signal with the preset value, the comparing device compares the amplitude of the waveform of the sensing signal.

Fifth Embodiment

FIG. 7 is a partial enlarged view of the display panel 107 according to the fifth embodiment of the present invention, and its part is the same as that in FIG. 3B . Please refer to FIG. 3B and FIG. 7 , the structure of the display panel 107 in this embodiment is substantially the same as that of the display panel 102 in the second embodiment. One of the differences is that all the factory identification parts 310 of the array substrate 300 are shared. A single second conductive pad 320 . The single second conductive pad 320 is bare on the array substrate 300 , and the single second conductive pad 320 is electrically connected to the receiving pins 311 of all the identification parts 310 . In this way, when the identification system 400 of FIG. 6 is electrically connected to a single second conductive pad 320, the probe module 410 of the identification system 400 only needs to be electrically connected through a single conductive probe of the second conductive probe set 412. A single second conductive pad 320 can send change signals to the receiving pins 311 of all the factory identification parts 310 . In this embodiment, the material cost and structural complexity of the identification system 400 can be reduced by sharing the second conductive pad 320 .

Finally, the above-disclosed embodiments are not intended to limit the present invention. Any person skilled in the art may make various modifications and modifications without departing from the spirit and scope of the present invention, and all of them are protected. in the present invention. Therefore, the protection scope of the present invention should be determined by the claims.

Claims (11)

1. A display panel, characterized in that, comprising: a color filter substrate; an array substrate, combined with the color filter substrate pair, and has a display area and a non-display area; and At least one factory identification part is located in the non-display area of the array substrate, and the factory identification part includes: a receiving pin for receiving a change signal; and a sensing pin for sensing a sensing signal according to the change signal received by the receiving pin; Wherein, before leaving the factory, each color filter substrate supplied by different factories is pre-configured with a spacer or no spacer at the position corresponding to the factory identification part according to a predetermined rule, and the spacer is sandwiched Between the color filter substrate and the array substrate, the spacer will interfere and affect the sensing signal, and then determine the factory source of each display panel through the sensing signal. 2. The display panel according to claim 1, wherein the number of the factory identification parts is multiple, and each of the factory identification parts further includes a first conductive pad, and the first conductive pad It is nakedly located in the non-display area of the array substrate, and is electrically connected to the sensing pin of the same factory identification part. 3. The display panel according to claim 2, wherein each of the factory identification parts further comprises a second conductive pad, and the second conductive pad is exposed in the non-display area of the array substrate , and electrically connected to the receiving pin of the same factory identification part. 4. The display panel according to claim 2, further comprising: A single second conductive pad is exposed in the non-display area of the array substrate and is electrically connected to the receiving pins of all the factory identification parts. 5 . The display panel as claimed in claim 2 , wherein there is an air gap between the color filter substrate and the array substrate at positions corresponding to the factory identification parts. 5 . 6. The display panel according to claim 2, wherein the color filter substrate comprises: At least one spacer is sandwiched between the color filter substrate and the array substrate, and is located at a position corresponding to one of the factory identification parts. 7. An identification system for the factory source of a color filter substrate of a display panel, characterized in that it comprises: A signal transceiving device, used to send at least one change signal to at least one factory identification part of the display panel, and to obtain an induction signal induced by the factory identification part according to the change signal, wherein different factories are respectively Before leaving the factory, each color filter substrate supplied is pre-configured with a spacer or no spacer at the position corresponding to the factory identification part according to predetermined rules, and the spacer is sandwiched between the color filter substrate and the Between the array substrates, the spacer will interfere and affect the sensing signal, and then use the sensing signal to determine the factory source of each display panel; An identification device, electrically connected to the signal transceiving device, for identifying the factory source of the color filter substrate according to the induction signal; and a comparison device electrically connected to the signal transceiving device and the identification device, Wherein, when the signal transceiving device obtains a plurality of induction signals induced by the factory identification part respectively according to the change signal, the comparison device compares whether the induction signals are the same for the identification device to use The comparison result identifies the factory source of the color filter substrate. 8. A method for identifying the factory source of a color filter substrate of a display panel, characterized in that it comprises: sending at least one change signal to at least one factory identification part of the display panel; obtaining a sensing signal sensed by the at least one factory identification unit according to the at least one change signal; and Identify the factory source of the color filter substrate according to the sensing signal; Wherein, before leaving the factory, each color filter substrate supplied by different factories is pre-configured with a spacer or no spacer at the position corresponding to the factory identification part according to a predetermined rule, and the spacer is sandwiched Between the color filter substrate and the array substrate, the spacer interferes and affects the sensing signal, and then judges the factory source of each display panel through the sensing signal. 9. The method for identifying the factory source of the color filter substrate of the display panel according to claim 8, wherein, according to the sensing signal, identifying the factory source of the color filter substrate further comprises: judging whether the sensing signal is greater than a preset value, so as to obtain a size comparison result; and According to the size comparison result, the factory source of the color filter substrate is compared. 10. The method for identifying the factory source of the color filter substrate of the display panel as claimed in claim 8, wherein obtaining an induction signal induced by the factory identification part according to the change signal further comprises: A plurality of induction signals respectively induced by the factory identification part according to the at least one change signal are obtained. 11. The method for identifying the factory source of the color filter substrate of the display panel according to claim 10, further comprising: Taking one of the induction signals as a reference, and judging whether the remaining induction signals are the same as the induction signal used as the reference; Obtain a permutation and combination according to the comparison results generated by whether the remaining induction signals are identical to the reference induction signal; and According to the permutation and combination, the factory source of the color filter substrate is compared from a look-up table.