Dot screen module and dot screen device with dynamic refresh rate adjustment

By introducing a refresh rate dynamic adjustment component into the point screen module, the problems of long refresh rate update time and complex operation of traditional point screen devices are solved, and convenient refresh rate adjustment and higher operating efficiency are achieved.

CN222705160UActive Publication Date: 2025-04-01EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202421340787.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-01
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

Traditional point screen devices require a lot of time during the refresh rate update process, and the operation is complicated, making them inconvenient for actual scene operation.

Method used

A point screen module with dynamic refresh rate adjustment is designed, including a field programmable gate array component, a refresh rate dynamic adjustment component and at least two way point screen components. The refresh rate dynamic adjustment component outputs a dynamic variable display refresh rate, simplifying the refresh rate adjustment process.

Benefits of technology

It realizes the convenient adjustment of the refresh rate of the display panel during the point-screen test, saving adjustment time and steps, and improving operation efficiency.

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Abstract

The present disclosure provides a point screen module and a point screen device with dynamic refresh rate adjustment, wherein the point screen module includes a field programmable gate array component, a refresh rate dynamic adjustment component and at least two point screen components, the output end of the refresh rate dynamic adjustment component is connected to the first input end of the field programmable gate array component, for outputting a dynamically variable display refresh rate; the output end of the field programmable gate array component is respectively connected to each point screen component, for adjusting the display refresh rate output by the component according to the refresh rate dynamic adjustment component, and the display panel is made to display the display content of the corresponding refresh rate through the point screen component, so as to realize the display refresh rate adjustment during the point screen test. Through the technical solution provided by the present disclosure, a refresh rate dynamic adjustment component is added, and the display refresh rate of the display panel can be adjusted more conveniently during the point screen test through the refresh rate dynamic adjustment component, which saves the adjustment time and the steps required for adjustment, and has promotion value.
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Description

Technical Field

[0001] The present disclosure relates to the technical field related to display panel testing, and in particular to a dot screen module and a dot screen device with dynamically adjusted refresh rate. Background Art

[0002] With the rapid development of optoelectronic technology, display panels have been widely used. The quality of display panels determines the service life of products. Therefore, it is an essential procedure to conduct various performance tests on display panels before leaving the factory, which can avoid defects such as integrated circuit (IC) misalignment, overcurrent, short circuit, open circuit, crosstalk, etc. caused by external factors or system errors. Before leaving the factory, the display panel can be tested by point screen to screen out unqualified products with the above defects, so as to improve the qualified rate of the products leaving the factory.

[0003] In the prior art, in the process of testing the display panel, it is necessary to test the display effects under different refresh rates one by one; and in the process of updating the refresh rate of the traditional dot screen device, it is necessary to update the program clock of the Field Programmable Gate Array (FPGA), which often takes a lot of time. The operations required by the operator in the process of adjusting the refresh rate are also relatively complicated, which is not convenient for actual scene operations. Utility Model Content

[0004] In view of the problems in the prior art, the purpose of the present disclosure is to provide a display module and a display device, which can conveniently adjust the refresh rate of the display content during the point screen test of the display panel, and is more convenient for detecting the display effect of the display panel.

[0005] Specifically, the first aspect of the present disclosure provides a point screen module with dynamically adjusted refresh rate, the point screen module comprising a field programmable gate array component, a dynamic refresh rate adjustment component and at least two point screen components, wherein:

[0006] The output end of the refresh rate dynamic adjustment component is connected to the first input end of the field programmable gate array component, and is used to output a dynamically variable display refresh rate;

[0007] The output end of the field programmable gate array component is connected to each dot screen component respectively, and is used to dynamically adjust the display refresh rate of the component output according to the refresh rate. The dot screen component enables the display panel to display the display content of the corresponding refresh rate, so as to realize the display refresh rate adjustment during the dot screen test.

[0008] In a possible implementation of the first aspect, the refresh rate dynamic adjustment component includes:

[0009] A frequency generating unit, used for outputting a dynamically adjustable frequency;

[0010] A frequency conversion unit, connected to the frequency generation unit, for generating a corresponding dynamically adjustable refresh rate according to the dynamically adjustable frequency;

[0011] The output end of the frequency conversion unit is configured as the output end of the refresh rate dynamic adjustment component.

[0012] In a possible implementation of the first aspect above, the frequency generating unit is configured as a frequency generator.

[0013] In a possible implementation of the first aspect above, the dot screen module with dynamically adjusted refresh rate further includes an oscillator component;

[0014] The output terminal of the oscillator is connected to the second input terminal of the field programmable gate array component.

[0015] In a possible implementation of the first aspect above, the refresh rate dynamically adjusted dot screen module further includes a single chip microcomputer control component;

[0016] The output end of the single chip control component is connected to the third input end of the field programmable gate array component.

[0017] In a possible implementation of the first aspect above, the refresh rate dynamically adjusted dot screen module further includes a storage component;

[0018] The output terminal of the storage component is connected to the fourth input terminal of the field programmable gate array component.

[0019] In a possible implementation of the first aspect above, the storage component is configured as a non-volatile storage medium based on SPI communication.

[0020] In a possible implementation of the first aspect above, the dot screen component is configured as an SSD2828 model conversion chip.

[0021] In a possible implementation of the first aspect above, the refresh rate dynamically adjusted dot screen module further includes a power supply component;

[0022] The energy supply component is used to supply energy to the point screen module.

[0023] A second aspect of the present disclosure provides a refresh rate dynamically adjustable dot screen device, which includes the refresh rate dynamically adjustable dot screen module provided by the first aspect.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] Through the technical solution provided by the present invention, a refresh rate dynamic adjustment component is added to the dot screen module, and the output end of the refresh rate dynamic adjustment component is connected to the first input end of the field programmable gate array component. The refresh rate dynamic adjustment component can more conveniently adjust the display refresh rate of the display panel during the dot screen test, saving adjustment time and the steps required for adjustment, and has promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present disclosure will become more apparent from a reading of the detailed description of non-limiting embodiments made with reference to the following accompanying drawings.

[0027] Figure 1 According to an embodiment of the present disclosure, a structural schematic diagram of a dot screen module with dynamically adjusted refresh rate is provided.

[0028] Figure 2 According to an embodiment of the present disclosure, a structural schematic diagram of a refresh rate dynamic adjustment component is provided. DETAILED DESCRIPTION

[0029] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in the present disclosure. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in the present disclosure can also be modified or changed in various ways according to different viewpoints and application systems without departing from the spirit of the present disclosure. It should be noted that the embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0030] The following is a detailed description of the embodiments of the present disclosure with reference to the accompanying drawings so that those skilled in the art can easily implement the present disclosure. The present disclosure can be embodied in many different forms and is not limited to the embodiments described herein.

[0031] In the representations of the present disclosure, the reference terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" and the like mean that the specific features, structures, materials, or characteristics represented in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. Moreover, the specific features, structures, materials, or characteristics represented may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples represented in the present disclosure and the features of different embodiments or examples, unless they are mutually contradictory.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the representation of the present disclosure, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] In order to clearly describe the present disclosure, components not related to the description are omitted, and the same reference numerals are given to the same or similar components throughout the specification.

[0034] Throughout the specification, when a device is said to be "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" by placing other elements therebetween. In addition, when a device is said to "include" a certain component, unless otherwise stated, it does not exclude other components, but means that other components may be included.

[0035] When a device is said to be "on" another device, it may be directly on the other device, but there may also be other devices between it. In contrast, when a device is said to be "directly" on another device, there are no other devices between it.

[0036] Although the terms first, second, etc. are used to represent various elements in some examples, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, the first interface and the second interface, etc. are represented. Moreover, as used in this article, the singular forms "one", "one" and "the" are intended to also include plural forms, unless there is an opposite indication in the context. It should be further understood that the terms "comprising" and "including" indicate the existence of features, steps, operations, elements, components, projects, kinds, and / or groups, but do not exclude the existence, occurrence or addition of one or more other features, steps, operations, elements, components, projects, kinds, and / or groups. The terms "or" and "and / or" used herein are interpreted as inclusive, or mean any one or any combination. Therefore, "A, B or C" or "A, B and / or C" means "any of the following: A; B; C; A and B; A and C; B and C; A, B and C". Only when the combination of elements, functions, steps or operations is inherently mutually exclusive in some way, will there be an exception to this definition.

[0037] The technical terms used herein are only used to refer to specific embodiments and are not intended to limit the present disclosure. The singular form used herein also includes the plural form unless the sentence clearly indicates the contrary meaning. The meaning of "including" used in the specification is to specify specific characteristics, regions, integers, steps, operations, elements and / or components, and does not exclude the existence or addition of other characteristics, regions, integers, steps, operations, elements and / or components.

[0038] Although not defined differently, all terms, including technical and scientific terms used herein, have the same meaning as those generally understood by those skilled in the art to which the present disclosure belongs. Terms defined in commonly used dictionaries are additionally interpreted as having meanings consistent with the content of relevant technical literature and current disclosures, and unless defined, shall not be overly interpreted as ideal or very formal meanings.

[0039] It is understandable that, based on the relevant description in the background technology, the traditional point screen device has the problem of taking a long time and being cumbersome to operate during the refresh rate update process. In order to solve the above problems arising in the actual application process, the present disclosure provides a point screen module and a point screen device with dynamically adjusted refresh rate. The specific implementation of the present disclosure will be explained and illustrated in combination with specific embodiments below.

[0040] In some embodiments of the present disclosure, Figure 1 A schematic diagram of the structure of a dot screen module with dynamically adjusted refresh rate is provided. Figure 1 As shown, the dot screen module includes a field programmable gate array component 101, a refresh rate dynamic adjustment component 102 and at least two dot screen components 103, wherein:

[0041] The output terminal of the refresh rate dynamic adjustment component 102 is connected to the first input terminal of the field programmable gate array component 101, and is used to output a dynamically variable display refresh rate. It can be understood that Figure 2 A structural diagram of a refresh rate dynamic adjustment component 102 is shown, such as Figure 2As shown, the refresh rate dynamic adjustment component 102 can be composed of a frequency generating unit 102a and a frequency conversion unit 102b, wherein the frequency generating unit 102a is used to output a dynamically adjustable frequency; the frequency conversion unit 102b is connected to the frequency generating unit 102a, and is used to generate a corresponding dynamically adjustable refresh rate according to the dynamically adjustable frequency. Specifically, the frequency generating unit 102a can be configured as a frequency generator. In a specific implementation of the present disclosure, a frequency generator of model CY2305SI-1 can be selected to output a dynamically variable frequency according to user instructions of the control platform or preset point screen test instructions. Those skilled in the art can also select a suitable frequency generator according to actual needs, which is not limited here. The frequency conversion unit 102b converts the dynamically variable frequency output by the frequency generating unit 102a into a dynamically variable refresh rate by calculation, wherein the specific dynamically variable refresh rate can be determined according to the following formula:

[0042]

[0043] In the above embodiment, the output end of the field programmable gate array component 101 is respectively connected to each point screen component 103, and is used to dynamically adjust the display refresh rate of the component output according to the refresh rate, and the display panel displays the display content of the corresponding refresh rate through the point screen component 103, so as to realize the display refresh rate adjustment during the point screen test. It can be understood that the field programmable gate array component 101 is electrically connected to the display panel to be tested through the point screen component 103, and the point screen component 103 can be configured as an SSD2828 model conversion chip. As a high-performance display control chip, SSD2828 can support a variety of display panel interfaces and has high-speed transmission capabilities, supports a variety of display modes and refresh rates, and can be applied to the point screen module with adjustable refresh rate provided by the present disclosure.

[0044] In the above embodiment, if Figure 1 As shown, the dot screen module with dynamic refresh rate adjustment also includes an oscillator component 104, wherein the output end of the oscillator component 104 is connected to the second input end of the field programmable gate array component 101, for generating an accurate clock signal. In the prior art, when setting the refresh rate, it is necessary to update the program clock of the field programmable gate array component, which often takes a long time (about 3 to 5 minutes), while the above embodiment provided by the present disclosure does not need to take the above time, and the refresh rate dynamic adjustment component 102 can directly realize convenient refresh rate adjustment.

[0045] In the above embodiment, if Figure 1As shown, the dot screen module with dynamic refresh rate adjustment also includes a single-chip control component 105, wherein the output end of the single-chip control component 105 is connected to the third input end of the field programmable gate array component 101. In a feasible specific implementation, the single-chip control component 105 can be configured as a C8051 single-chip microcomputer, and the overall control of the dot screen module is performed according to the external input control signal and / or user instructions.

[0046] In the above embodiment, if Figure 1 As shown, the refresh rate dynamically adjusted dot screen module also includes a storage component 106, and the output end of the storage component 106 is connected to the fourth input end of the field programmable gate array component 101. In a feasible specific implementation, the storage component 106 is configured as a non-volatile storage medium based on SPI communication.

[0047] In the above embodiment, if Figure 1 As shown, the dot screen module with dynamically adjusted refresh rate also includes a power supply component 107, which is used to supply power to all functional components in the dot screen module to ensure the normal operation of the dot screen module as a whole.

[0048] In some embodiments of the present disclosure, a refresh rate dynamically adjustable dot screen device is also provided, and the dot screen device includes the refresh rate dynamically adjustable dot screen module provided in the aforementioned embodiments. In a feasible specific implementation, the refresh rate dynamically adjustable dot screen module provided in the aforementioned embodiments can be integrated in the internal space of the housing of the dot screen device, and receive external control instructions through a data interface and perform dot screen operations on the display panel.

[0049] To sum up, through the technical solution provided by the present invention, a refresh rate dynamic adjustment component is added to the dot screen module, and the output end of the refresh rate dynamic adjustment component is connected to the first input end of the field programmable gate array component. The refresh rate dynamic adjustment component can more conveniently adjust the display refresh rate of the display panel during the dot screen test, saving adjustment time and the steps required for adjustment, and has promotion value.

[0050] The above content is a further detailed description of the present disclosure in combination with specific preferred implementation modes, and it cannot be determined that the specific implementation of the present disclosure is limited to these descriptions. For ordinary technicians in the technical field to which the present disclosure belongs, several simple deductions or substitutions can be made without departing from the concept of the present disclosure, which should be regarded as falling within the scope of protection of the present disclosure.

Claims

1. A dot screen module with dynamically adjusted refresh rate, characterized in that: It includes a field programmable gate array component, a refresh rate dynamic adjustment component and at least two-way point screen components, wherein: The output end of the refresh rate dynamic adjustment component is connected to the first input end of the field programmable gate array component, and is used to output a dynamically variable display refresh rate; The output end of the field programmable gate array component is respectively connected to each dot screen component, and is used to dynamically adjust the display refresh rate output by the component according to the refresh rate. The dot screen component enables the display panel to display the display content of the corresponding refresh rate, so as to realize the display refresh rate adjustment during the dot screen test.

2. The refresh rate dynamically adjusted dot screen module according to claim 1, characterized in that: The refresh rate dynamic adjustment component includes: A frequency generating unit, used for outputting a dynamically adjustable frequency; A frequency conversion unit, connected to the frequency generation unit, for generating a corresponding dynamically adjustable refresh rate according to the dynamically adjustable frequency; The output end of the frequency conversion unit is configured as the output end of the refresh rate dynamic adjustment component.

3. The refresh rate dynamically adjusted dot screen module according to claim 2, characterized in that: The frequency generating section is configured as a frequency generator.

4. The refresh rate dynamically adjusted dot screen module according to claim 1, characterized in that: The refresh rate dynamically adjusted dot screen module also includes an oscillator component; The output terminal of the oscillator component is connected to the second input terminal of the field programmable gate array component.

5. The refresh rate dynamically adjusted dot screen module according to claim 1, characterized in that: The refresh rate dynamically adjusted dot screen module also includes a single chip microcomputer control component; The output end of the single chip control component is connected to the third input end of the field programmable gate array component.

6. The refresh rate dynamically adjusted dot screen module according to claim 1, characterized in that: The refresh rate dynamically adjusted dot screen module also includes a storage component; The output terminal of the storage component is connected to the fourth input terminal of the field programmable gate array component.

7. The refresh rate dynamically adjusted dot screen module according to claim 6, characterized in that: The storage component is configured as a non-volatile storage medium based on SPI communication.

8. The refresh rate dynamically adjusted dot screen module according to claim 6, characterized in that: The point screen component is configured as an SSD2828 model conversion chip.

9. The dot screen module with dynamic refresh rate adjustment according to any one of claims 1 to 8, characterized in that: The refresh rate dynamically adjusted dot screen module also includes a power supply component; The energy supply component is used to supply energy to the point screen module.

10. A point screen device with dynamic refresh rate adjustment, characterized in that: A dot screen module with dynamically adjusted refresh rate comprising any one of claims 1 to 9.