CN111028756B - display panel - Google Patents
display panel Download PDFInfo
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- CN111028756B CN111028756B CN201911300502.5A CN201911300502A CN111028756B CN 111028756 B CN111028756 B CN 111028756B CN 201911300502 A CN201911300502 A CN 201911300502A CN 111028756 B CN111028756 B CN 111028756B
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- Prior art keywords
- module
- circuit board
- goa
- level conversion
- conversion module
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
Abstract
The application provides a display panel, which comprises a panel main body, a flexible circuit board and a control circuit board, wherein the panel main body comprises a GOA circuit module and a level conversion module, and the output end of the level conversion module is electrically connected with the input end of the GOA circuit module; the output end of the flexible circuit board is electrically connected with the input end of the level conversion module; the control circuit board comprises a time sequence control module, and the output end of the time sequence control module is electrically connected with the input end of the flexible circuit board. According to the application, the level conversion module is arranged on the panel main body or the data driving circuit board, so that the transmission path of GOA signals output by the level conversion module is reduced, and the strength of the GOA signals is improved.
Description
Technical Field
The application relates to the technical field of display, in particular to a display panel.
Background
In the existing display panel, the GOA signal generated by the timing controller is voltage-pulled up by the level conversion chip to obtain the voltage level required in the driving panel. However, in the existing driving architecture, since the level conversion chip is disposed on the control circuit board, the GOA signal coming out of the level conversion chip sequentially passes through the flexible circuit board and the data driving circuit board and then enters the panel, the GOA signal passes through a long path, and the signal is obviously attenuated, so that the driving capability in the plane is insufficient, and the defect is caused.
Disclosure of Invention
The embodiment of the application provides a display panel, which aims to solve the technical problem that GOA signals of the existing display panel are attenuated due to long routing paths.
An embodiment of the present application provides a display panel including:
the panel main body comprises a GOA circuit module and a level conversion module, wherein the output end of the level conversion module is electrically connected with the input end of the GOA circuit module;
the output end of the flexible circuit board is electrically connected with the input end of the level conversion module; and
the control circuit board comprises a time sequence control module, and the output end of the time sequence control module is electrically connected with the input end of the flexible circuit board.
In the display panel of the embodiment of the application, the panel body includes a non-display area, and the level conversion module is disposed in the non-display area.
In the display panel of the embodiment of the application, the level conversion module includes a plurality of level conversion units, an input end of each level conversion unit is correspondingly connected to an output end of the timing control module, and an output end of each level conversion unit is correspondingly connected to an input end of the GOA circuit module.
In the display panel of the embodiment of the application, the non-display area further comprises a binding area, and the panel main body further comprises a binding module, wherein the binding module is arranged on the binding area; the output end of the binding module is electrically connected with the input end of the level conversion module; the input end of the binding module is electrically connected with the output end of the flexible circuit board.
In the display panel of the embodiment of the application, the display panel further comprises a data driving circuit board, wherein the output end of the data driving circuit board is bound with and electrically connected with the input end of the binding module, and the input end of the data driving circuit board is fixed with and electrically connected with the output end of the flexible circuit board.
The application also relates to a display panel comprising:
the panel main body comprises a GOA circuit module and a binding module, wherein the input end of the GOA circuit module is electrically connected with the output end of the binding module;
the data driving circuit board is bound with the other end of the binding module and is electrically connected with the other end of the binding module, and comprises a level conversion module, wherein the output end of the level conversion module is electrically connected with the input end of the binding module; and
the control circuit board comprises a time sequence control module, and the output end of the time sequence control module is electrically connected with the input end of the level conversion module.
In the display panel according to another embodiment of the application, the level conversion module is disposed at a side of the data driving circuit board near the clock signal input end of the GOA circuit module.
In the display panel according to another embodiment of the present application, the display panel further includes a flexible circuit board, one end of the flexible circuit board is fixedly connected to the data driving circuit board, and the other end of the flexible circuit board is fixedly connected to the control circuit board;
the input end of the flexible circuit board is electrically connected with the output end of the time sequence control module, and the output end of the flexible circuit board is electrically connected with the input end of the level conversion module.
In the display panel according to another embodiment of the present application, the number of the data driving circuit board, the level converting module, and the flexible circuit board is two;
one flexible circuit board is correspondingly connected with one data driving circuit, and one circuit conversion module is correspondingly arranged on one data driving circuit board;
the same ends of the two flexible circuit boards are connected to the control circuit board.
In the display panel according to another embodiment of the present application, the display body includes a non-display area, the non-display area includes a binding area, and the binding module is disposed in the binding area.
According to the display panel, the level conversion module is arranged on the panel main body or the data driving circuit board, so that the transmission path of GOA signals output by the level conversion module is reduced, and the strength of the GOA signals is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following brief description is given of the drawings that are required to be used in the embodiments. The drawings in the following description are only some of the embodiments of the present application and other drawings may be derived from them by those skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the present application;
fig. 2 is a circuit connection structure diagram of a timing control module, a level shift module and a GOA circuit module of a display panel according to a first embodiment of the present application;
fig. 3 is a schematic structural diagram of a display panel according to a second embodiment of the application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a display panel according to a first embodiment of the application.
The first embodiment of the present application provides a display panel 100 including a panel body 11, a control circuit board 12, a flexible circuit board 13, and a data driving circuit board 14.
Specifically, the panel body 11 includes a GOA circuit module 111 and a level conversion module 112. The output terminal of the level shift module 112 is connected to the input terminal of the GOA circuit module 111.
The output end of the flexible circuit board 13 is electrically connected to the input end of the level shift module 112.
The control circuit board 12 includes a timing control module 121. The output end of the timing control module 121 is electrically connected to the input end of the flexible circuit board 13.
It should be noted that, the transmission process of the GOA signal (for example, the clock signal) of the display panel 100 of the first embodiment is: the timing control module 121 on the control circuit board 12 sends out a GOA control signal to the level conversion module 112, when the timing control module 121 sends out a first GOA control signal of 0V to the level conversion module 112, the level conversion module 112 pulls down the first GOA control signal to a low-frequency GOA signal, and then sends the low-frequency GOA signal to the input end corresponding to the GOA circuit module 111; when the timing control module 121 sends the second GOA control signal of 3.3V to the level conversion module 112, the level conversion module 112 pulls up the second GOA control signal to a high-frequency GOA signal, and then sends the high-frequency GOA signal to the input terminal corresponding to the GOA circuit module 111.
In the display panel 100 of the present first embodiment, the level conversion module 112 is provided on the panel main body 11, so that the transmission path of the GOA signal outputted from the level conversion module 112 to the GOA circuit module 111 is shortened, and further, attenuation of the GOA signal is avoided.
In the display panel 100 of the present first embodiment, the panel main body 11 includes a non-display area 11a. The level shift block 112 is disposed in the non-display area 11a, further shortening the distance from the level shift block 12 to the GOA circuit block 111.
In the first embodiment, the number of the level shift modules 12 is one, and one level shift module 12 is disposed at an intermediate position in the lower portion of the non-display area 11a. In this way, the distances from the level conversion module 12 to the GOA circuit modules 111 on both sides are equal, and the synchronization of GOA signals is improved.
In some embodiments, the number of the level shift modules is two, two level shift modules 12 are disposed at two sides of the lower portion of the non-display area 11a, and one level shift module is correspondingly connected to one GOA circuit module.
Referring to fig. 2, the level conversion module 112 includes a plurality of level conversion units 1121, and an input terminal of each level conversion unit 1121 is correspondingly connected to an output terminal of the timing control module 121. The output terminal of each level shift unit 1121 is correspondingly connected to an input terminal of the GOA circuit module 111.
In the display panel 100 of the present first embodiment, the non-display area 11a further includes a binding sub-area 11a1. The panel body 11 further includes a binding module 113. The binding module 113 is provided on the binding sub-area 11a1. The output end of the binding module 113 is electrically connected to the input end of the level conversion module 112. The input end of the binding module 113 is electrically connected to the output end of the flexible circuit board 13.
The display panel 100 further includes a data driving circuit board 14. The output of the data driving circuit board 14 is bound and electrically connected to the input of the binding module 113. The input end of the data driving circuit board 14 is fixedly and electrically connected with the output end of the flexible circuit board 13.
It should be noted that the control circuit board 12 is further provided with a power module, a P-gamma module, and the like. The data driving circuit board 14 is also provided with a source driving chip. Since the data driving circuit board 14 and the GOA circuit module 111 are conventional, they will not be described in detail herein.
Referring to fig. 3, the second embodiment of the present application further relates to a display panel 200, which includes a panel body 21, a control circuit board 22, a flexible circuit board 23, and a data driving circuit board 24.
The panel body 21 includes a GOA circuit module 211 and a binding module 212. The input end of the GOA circuit module 211 is electrically connected to the output end of the binding module 212. The display main body 21 includes a non-display area 21a. The non-display area 21a includes a binding sub-area 21a1. The binding module 212 is disposed in the binding sub-area 21a1.
One end of the data driving circuit board 24 is bound and electrically connected with the other end of the binding module 212. The data driving circuit board 24 includes a level conversion module 241. The output end of the level conversion module 241 is electrically connected to the input end of the binding module 212.
The control circuit board 22 includes a timing control module 221. The output terminal of the timing control module 221 is electrically connected to the input terminal of the level shift module 241.
The transmission process of the clock signal of the display panel 200 of the second embodiment is the same as that of the display panel 100 of the first embodiment, please refer to the transmission process of the clock signal of the display panel 100 of the first embodiment, and the description thereof is omitted.
In the display panel 200 of the second embodiment, the level conversion module 241 is disposed on the data driving circuit board 24, so that the transmission path of the GOA signal outputted from the level conversion module 241 to the GOA circuit module 211 is shortened, and further, attenuation of the GOA signal is avoided.
In the display panel 200 of the second embodiment, the level conversion module 241 is disposed on the side of the data driving circuit board 24 near the clock signal input end of the GOA circuit module 211. Such an arrangement further shortens the distance of the level shift module 12 to the GOA circuit module 111.
Further, the display panel 200 further includes a flexible circuit board 23. One end of the flexible circuit board 23 is fixedly connected with the data driving circuit board 24. The other end of the flexible circuit board 24 is fixedly connected to the control circuit board 22. The flexible circuit board 24 is provided to facilitate bending of the control circuit board 22 to the back surface of the panel body 21.
Specifically, the input end of the flexible circuit board 23 is electrically connected to the output end of the timing control module 221, and the output end of the flexible circuit board 23 is electrically connected to the input end of the level conversion module 241.
In the display panel 200 of the present second embodiment, the number of the data driving circuit board 24, the level converting module 241, and the flexible circuit board 23 is two.
A flexible circuit board 23 is correspondingly connected to a data driving circuit 24. A circuit conversion module 241 is disposed on a data driving circuit board 24 correspondingly. The same ends of the two flexible circuit boards 23 are connected to the control circuit board 22.
It should be noted that the control circuit board 22 is further provided with a power module, a P-gamma module, and the like. The data driving circuit board 24 is also provided with a source driving chip, and the like.
According to the display panel, the level conversion module is arranged on the panel main body or the data driving circuit board, so that the transmission path of GOA signals output by the level conversion module is reduced, and the strength of the GOA signals is improved.
The foregoing has described in detail a display panel provided by embodiments of the present application, and specific examples have been applied to illustrate the principles and embodiments of the present application, where the foregoing examples are only for aiding in understanding of the technical solution and core idea of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (5)
1. A display panel, comprising:
the panel main body comprises GOA circuit modules and level conversion modules, and the output end of one level conversion module is electrically connected with the input ends of two GOA circuit modules;
the output end of the flexible circuit board is electrically connected with the input end of the level conversion module; and
the control circuit board comprises a time sequence control module, and the output end of the time sequence control module is electrically connected with the input end of the flexible circuit board;
the panel main body comprises a non-display area, the level conversion module is arranged in the middle of the non-display area, and the distances from the level conversion module to the two GOA circuit modules are equal;
the non-display area further comprises a binding area, the panel main body further comprises a binding module, and the binding module is arranged on the binding area; the output end of the binding module is electrically connected with the input end of the level conversion module; the input end of the binding module is electrically connected with the output end of the flexible circuit board;
when the time sequence control module sends a first GOA control signal of 0V to the level conversion module, the level conversion module pulls down the first GOA control signal into a low-frequency GOA signal and sends the low-frequency GOA signal to an input end corresponding to the GOA circuit module; when the timing control module sends a second GOA control signal of 3.3V to the level conversion module, the level conversion module pulls up the second GOA control signal into a high-frequency GOA signal and sends the high-frequency GOA signal to the input end corresponding to the GOA circuit module.
2. The display panel according to claim 1, wherein the level shift module comprises a plurality of level shift units, wherein an input terminal of each level shift unit is correspondingly connected to an output terminal of the timing control module, and an output terminal of each level shift unit is correspondingly connected to an input terminal of the GOA circuit module.
3. The display panel of claim 1, further comprising a data driving circuit board, wherein an output of the data driving circuit board is bonded to and electrically connected with an input of the bonding module, and wherein an input of the data driving circuit board is fixed to and electrically connected with an output of the flexible circuit board.
4. A display panel, comprising:
the panel main body comprises a GOA circuit module and a binding module, wherein the input end of the GOA circuit module is electrically connected with the output end of the binding module;
the data driving circuit board is bound with the other end of the binding module and is electrically connected with the other end of the binding module, and comprises a level conversion module, wherein the output end of the level conversion module is electrically connected with the input end of the binding module; and
the control circuit board comprises a time sequence control module, and the output end of the time sequence control module is electrically connected with the input end of the level conversion module;
the level conversion module is arranged on one side of the data driving circuit board, which is close to the clock signal input end of the GOA circuit module;
the display panel further comprises a flexible circuit board, one end of the flexible circuit board is fixedly connected with the data driving circuit board, and the other end of the flexible circuit board is fixedly connected with the control circuit board;
the input end of the flexible circuit board is electrically connected with the output end of the time sequence control module, and the output end of the flexible circuit board is electrically connected with the input end of the level conversion module;
the number of the data driving circuit board, the level conversion module and the flexible circuit board is two; one flexible circuit board is correspondingly connected with one data driving circuit, and one level conversion module is correspondingly arranged on one data driving circuit board; the same ends of the two flexible circuit boards are connected to the control circuit board;
when the time sequence control module sends a first GOA control signal of 0V to the level conversion module, the level conversion module pulls down the first GOA control signal into a low-frequency GOA signal and sends the low-frequency GOA signal to an input end corresponding to the GOA circuit module; when the timing control module sends a second GOA control signal of 3.3V to the level conversion module, the level conversion module pulls up the second GOA control signal into a high-frequency GOA signal and sends the high-frequency GOA signal to the input end corresponding to the GOA circuit module.
5. The display panel of claim 4, wherein the panel body comprises a non-display region comprising a binding region, the binding module disposed in the binding region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911300502.5A CN111028756B (en) | 2019-12-17 | 2019-12-17 | display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911300502.5A CN111028756B (en) | 2019-12-17 | 2019-12-17 | display panel |
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| Publication Number | Publication Date |
|---|---|
| CN111028756A CN111028756A (en) | 2020-04-17 |
| CN111028756B true CN111028756B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911300502.5A Active CN111028756B (en) | 2019-12-17 | 2019-12-17 | display panel |
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| CN (1) | CN111028756B (en) |
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| CN111028756A (en) | 2020-04-17 |
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