Display device and display system

Abstract

The utility model relates to a display device and a display system. The display device comprises a processor, a display module and a conversion module; the processor is connected with a target interface of the conversion module through the first DDC interface so as to obtain display attribute information of the display module stored in the conversion module and send configuration information for configuring the conversion module to the conversion module; the target interface at least comprises a configuration interface; the processor is further used for converting the initial video data signal into a display video data signal according to the display attribute information, and the processor is connected with the second video input interface of the conversion module through the first video output interface so as to transmit the display video data signal to the conversion module; the conversion module is connected with the first video input interface of the display module through the second video output interface so as to transmit the display video data signal to the display module; and the display module is used for performing video display according to the display video data signal. According to the scheme, the connection between the processor and the conversion module is simplified.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of display, in particular to a display device and a display system. BACKGROUND

[0002] In the display device, the connection between the processor and the conversion module usually involves multiple interfaces, resulting in complex system structure and many inconveniences in actual application. Specifically, the processor is connected with the configuration interface of the conversion module through the configuration interface, to realize the parameter configuration of the conversion module, at the same time, the display attribute information of the display screen stored in the conversion module is read through the connection between the DDC (Display Data Channel, same below) interface and the DDC interface of the conversion module. In addition, the processor is connected with the video interface of the conversion module through the video interface, to transmit the video data converted according to the display attribute information to the conversion module. This multi-interface connection mode not only increases the complexity of the system, but also needs to customize the cable in the remote connection scene, greatly limiting the convenience of application. UTILITY MODEL CONTENT

[0003] Therefore, it is necessary to provide a display device and a display system to simplify the connection inside the display device and reduce the cost of the display device.

[0004] A display device, comprising: a processor, a display module and a conversion module; the processor is configured with a first DDC interface and a first video output interface, the display module is configured with a first video input interface, and the conversion module is configured with a second video input interface, a second video output interface and a configuration interface;

[0005] The processor is connected with the target interface of the conversion module through the first DDC interface, to obtain the display attribute information of the display module stored in the conversion module, and send the configuration information of the conversion module to the conversion module; the target interface at least includes the configuration interface;

[0006] The processor is further configured to convert the initial video data signal into a display video data signal according to the display attribute information, and the processor is connected with the second video input interface of the conversion module through the first video output interface, to transmit the display video data signal to the conversion module;

[0007] The conversion module is connected with the first video input interface of the display module through the second video output interface, to transmit the display video data signal to the display module; and the display module is configured to perform video display according to the display video data signal.

[0008] In one of the embodiments, the target interface includes the configuration interface; the processor is connected with the first DDC interface and the configuration interface of the conversion module to read the display attribute information and send the configuration information.

[0009] In one of the embodiments, the conversion module is further configured with a second DDC interface; the target interface includes the configuration interface and the second DDC interface; the processor is connected with the first DDC interface and the second DDC interface to obtain the display attribute information; the processor is connected with the first DDC interface and the configuration interface to send the configuration information.

[0010] In one of the embodiments, the conversion module is further configured with a third DDC interface; the display device further includes:

[0011] a storage module storing display attribute data;

[0012] The conversion module is connected with the storage module through the third DDC interface to obtain the display attribute information according to the display attribute data and store the display attribute information.

[0013] In one of the embodiments, the storage module is integrated in the display module;

[0014] The display module is configured with a fourth DDC interface; the conversion module is connected with the fourth DDC interface through the third DDC interface to obtain the display attribute data.

[0015] In one of the embodiments, the storage module is external to the display module;

[0016] The third DDC interface is connected with the storage module through an integrated circuit bus.

[0017] In one of the embodiments, the processor is connected with the first DDC interface and the configuration interface to write the display attribute information into the conversion module;

[0018] Or the conversion module is further configured with a third DDC interface; the processor is connected with the first DDC interface and the third DDC interface to write the display attribute information into the conversion module.

[0019] In one of the embodiments, the conversion module is further configured with a second DDC interface and a third DDC interface; the conversion module includes:

[0020] a video input unit connected with the second DDC interface and the second video input interface respectively;

[0021] a video output unit connected with the video input unit, the third DDC interface and the second video output interface respectively;

[0022] a storage unit for storing the display attribute information;

[0023] The processor is connected with the first DDC interface and the storage unit to acquire the display attribute information in the storage unit.

[0024] In one embodiment, the processor comprises:

[0025] a video processing unit connected with the first video output interface and the first DDC interface respectively, for acquiring and converting initial video data signals into display video data signals according to the display attribute information;

[0026] a configuration unit connected with the first DDC interface, for configuring the display attribute information;

[0027] The configuration unit is connected with the first DDC interface and the storage unit to write the display attribute information into the storage unit.

[0028] A display system comprises:

[0029] The display device as described above;

[0030] a video storage device connected with the processor in the display device, for transmitting initial video data signals to the processor.

[0031] In the display device, the processor is connected with the target interface of the conversion module through the first DDC interface, acquires the display attribute information of the display module stored in the conversion module, and sends configuration information for configuring the conversion module to the conversion module, so that the processor can realize the functions of acquiring the display attribute information and sending the configuration information through one DDC interface of the processor, simplifies the connection between the processor and the conversion module, and facilitates the connection design between the processor and the conversion module using a standard video line without the need of additional customized cable.

[0032] In the display system, the processor is connected with the target interface of the conversion module through the first DDC interface, acquires the display attribute information of the display module stored in the conversion module, and sends configuration information for configuring the conversion module to the conversion module, so that the processor can realize the functions of acquiring the display attribute information and sending the configuration information through one DDC interface of the processor, simplifies the connection between the processor and the conversion module, and facilitates the connection design between the processor and the conversion module using a standard video line without the need of additional customized cable. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0034] Figure 1 Structure schematic diagram of display device in first embodiment;

[0035] Figure 2 Structure schematic diagram of display device in second embodiment;

[0036] Figure 3 Structure schematic diagram of display device in third embodiment;

[0037] Figure 4 Structure schematic diagram of display device in fourth embodiment;

[0038] Figure 5 Structure schematic diagram of display device in fifth embodiment;

[0039] Figure 6 Structure schematic diagram of display device in sixth embodiment.

[0040] Explanation of reference signs:

[0041] Processor 100; video processing unit 102; configuration unit 104; conversion module 200; video input unit 202; video output unit 204; storage unit 206; display module 300; storage module 400. DETAILED DESCRIPTION

[0042] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The drawings show embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments and is not intended to limit the present application.

[0044] It is understood that the terms “first,” “second,” etc., used in this application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another.

[0045] Spatial relation terms such as “below,” “under,” “below,” “under,” “above,” “above,” etc., are used herein to describe the relationship between one element or feature shown in the figure and other elements or features. It should be understood that, in addition to the orientation shown in the figure, spatial relation terms also include different orientations of the device in use and operation. For example, if the device in the figure is flipped, the element or feature described as “below,” “under,” or “below” will be oriented “above” the other element or feature. Therefore, the exemplary terms “below” and “under” can include both above and below orientations. Furthermore, the device may also include other orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptive terms used herein will be interpreted accordingly.

[0046] It should be noted that when one element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediary element. Furthermore, in the following embodiments, "connection" should be understood as "electrical connection," "communication connection," etc., if there is transmission of electrical signals or data between the connected objects.

[0047] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that terms such as “comprising / including” or “having” specify the presence of the stated features, wholes, steps, operations, components, parts, or combinations thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof. Meanwhile, the term “and / or” as used in this specification includes any and all combinations of the associated listed items.

[0048] Figure 1 This is a schematic diagram of the display device in the first embodiment. See also... Figure 1In the embodiment, a display device is provided, comprising a processor 100, a display module 300 and a conversion module 200; the processor 100 is configured with a first DDC interface 11 and a first video output interface 12, the display module 300 is configured with a first video input interface 31, and the conversion module 200 is configured with a second video input interface 21, a second video output interface 22 and a configuration interface 23. The first DDC interface 11 is a display data channel in the processor 100, the first video output interface 12 is an interface through which the processor 100 outputs a video data signal, the first video input interface 31 is an interface through which the display module 300 receives a video data signal, the second video input interface 21 is an interface through which the conversion module 200 receives a video data signal, the second video output interface 22 is an interface through which the conversion module 200 outputs a video data signal, and the configuration interface 23 is an interface through which the conversion module 200 receives configuration information corresponding to the conversion module 200.

[0049] The processor 100 is connected to a target interface of the conversion module 200 through the first DDC interface 11, so as to acquire display attribute information of the display module 300 stored in the conversion module 200 and send configuration information for configuring the conversion module 200 to the conversion module 200; wherein the target interface at least comprises the configuration interface 23. The display attribute information is EDID (Extended display identification data) information of the display module 300, comprising resolution information and aspect ratio information of the display module 300, and the configuration information comprises a plurality of information for configuring the conversion module 200.

[0050] The processor 100 is further configured to convert an initial video data signal into a display video data signal according to the display attribute information, and the processor 100 is connected to the second video input interface 21 of the conversion module 200 through the first video output interface 12, so as to transmit the display video data signal to the conversion module 200.

[0051] The initial video data signal is a preset original video data signal displayed on the display module 300, the processor 100 acquires the resolution of the video data displayed on the display module 300 and the aspect ratio of the display module 300 according to the display attribute information, then converts the initial video data signal into a display video data signal matched with the display module 300, and transmits the display video data signal to the conversion module 200 through the connected first video output interface 12 and second video input interface 21.

[0052] The conversion module 200 is connected with the first video input interface 31 of the display module 300 through the second video output interface 200 to transmit the display video data signal to the display module 300; and the display module 300 is configured to display video according to the display video data signal.

[0053] In the display device, the processor 100 is connected with the target interface of the conversion module 200 through the first DDC interface 11, acquires the display attribute information of the display module 300 stored in the conversion module 200, and sends the configuration information for configuring the conversion module 200 to the conversion module 200, so that the function of acquiring the display attribute information and sending the configuration information of the processor 100 is realized through one DDC interface of the processor 100, the connection between the processor 100 and the conversion module 200 is simplified, and the connection design between the processor 100 and the conversion module 200 using a standard video line is facilitated without the need of customizing a cable.

[0054] Referring to Figure 1 In one embodiment, the target interface includes the configuration interface 23; the processor 100 is connected with the configuration interface 23 of the conversion module 200 through the first DDC interface 11 to read the display attribute information and send the configuration information. The processor 100 is connected with the configuration interface 23 of the conversion module 200 through the first DDC interface 11 to send the configuration information to the conversion module 200 and complete the configuration of the conversion module 200. Then, the processor 100 is connected with the configuration interface 23 through the first DDC interface 11 to read the display attribute information stored in the conversion module 200. This design reduces the transmission line between the processor 100 and the conversion module 200.

[0055] Figure 2 The structure of the display device in the second embodiment is shown in FIG. 2. Referring to Figure 2 In one embodiment, the conversion module 200 is further configured with a second DDC interface 24; the target interface includes the configuration interface 23 and the second DDC interface 24; the first DDC interface 11 is connected with the configuration interface 23 and the second DDC interface 24 respectively; the processor 100 is connected with the second DDC interface 24 through the first DDC interface 11 to acquire the display attribute information; and the processor 100 is connected with the configuration interface 23 through the first DDC interface 11 to send the configuration information.

[0056] Referring to Figure 1 , Figure 2In one of the embodiments, the processor 100 is connected with the configuration interface 23 through the first DDC interface 11 to write the display attribute information into the conversion module 200. This setting eliminates the need of a storage module in the display device to store the display attribute data corresponding to the display attribute information, thus saving the storage module, simplifying the structure of the display device and reducing the cost of the display device.

[0057] Figure 3 FIG. 3 is a structural schematic diagram of the display device in the third embodiment; Figure 4 FIG. 4 is a structural schematic diagram of the display device in the fourth embodiment. Referring to Figure 3 、 Figure 4 In one of the embodiments, the conversion module 200 is further configured with a third DDC interface 25; the processor 100 is connected with the first DDC interface 11 and the third DDC interface 25 to write the display attribute information into the conversion module 200. This setting eliminates the need of a storage module in the display device to store the display attribute data corresponding to the display attribute information, thus saving the storage module, simplifying the structure of the display device and reducing the cost of the display device. Moreover, the process of writing the display attribute information into the conversion module 200 does not affect the process of sending the configuration information to the conversion module 200, thus shortening the time for converting the initial video data signal into the display video data signal in the processor 100 and displaying the video in the display module 300.

[0058] Referring to Figure 3 、 Figure 4 In one of the embodiments, the processor 100 comprises a video processing unit 102 and a configuration unit 104; the video processing unit 102 is connected with the first video output interface 12 and the first DDC interface 11 respectively to acquire the display attribute information stored in the conversion module 200 and convert the initial video data signal into the display video data signal according to the display attribute information; the configuration unit 104 is connected with the first DDC interface 11 to configure the display attribute information of the display module 300 stored in the conversion module 200, i.e. to write the display attribute information into the conversion module 200.

[0059] Referring to Figure 3 、 Figure 4In one of the embodiments, the conversion module 200 is further configured with a second DDC interface 24 and a third DDC interface 25; the conversion module 200 comprises a video input unit 202, a video output unit 204 and a storage unit 206; the video input unit 202 is connected with the second DDC interface 24 and the second video input interface 21 respectively; the video output unit 204 is connected with the video input unit 202, the third DDC interface 25 and the second video output interface 22 respectively; the storage unit 206 is used for storing the display attribute information; wherein the processor 100 is connected with the storage unit 206 through the first DDC interface 11 to acquire the display attribute information in the storage unit 206. As an example, the storage unit 206 comprises a memory, for example, an EEPROM (Electrically Erasable Programmable Read-Only Memory).

[0060] It can be understood that the configuration unit 104 in the processor 100 is connected with the storage unit 206 through the first DDC interface 11 to write the display attribute information into the storage unit 206.

[0061] It can be understood that, in the case that the processor 100 is connected with the configuration interface 23 of the conversion module 200 through the first DDC interface 11 to read the display attribute information and send the configuration information, the storage unit 206 is connected with the configuration interface 23 to enable the processor 100 to read the display attribute information in the storage unit 206 and send the configuration information to the conversion module 200.

[0062] It can be understood that, as Figure 3 the storage unit 206 is connected with the configuration interface 23, the processor 100 is connected with the configuration interface 23 through the first DDC interface 11 to acquire the display attribute information in the storage unit 206; the storage unit 206 is connected with the third DDC interface 25, and the processor 100 is connected with the third DDC interface 25 through the first DDC interface 11 to write the display attribute information into the storage unit 206.

[0063] It can be understood that, as Figure 4 the storage unit 206 is connected with the second DDC interface 24, the processor 100 is connected with the second DDC interface 24 through the first DDC interface 11 to acquire the display attribute information in the storage unit 206; the storage unit 206 is connected with the third DDC interface 25, and the processor 100 is connected with the third DDC interface 25 through the first DDC interface 11 to write the display attribute information into the storage unit 206.

[0064] Figure 5 FIG. 5 is a structural schematic diagram of a display device in a fifth embodiment, Figure 6 FIG. 6 is a structural schematic diagram of a display device in a sixth embodiment. Referring to Figure 5 Figure 6 In one of the embodiments, the conversion module 200 is further configured with a third DDC interface 25; the display device further comprises a storage module 400; the storage module 400 stores display attribute data; wherein the conversion module 200 is connected with the storage module 400 through the third DDC interface 25 to obtain the display attribute data stored in the storage module 400, and obtain the display attribute information according to the display attribute data, and store the display attribute information in the conversion module 200, i.e. in the storage unit 206 in the conversion module 200. As an example, the storage module 400 comprises a memory, for example, an EEPROM (Electrically Erasable Programmable Read-Only Memory).

[0065] Participate Figure 5 In one of the embodiments, the storage module 400 is external to the display module 300; wherein the third DDC interface 25 and the storage module 400 are connected through an integrated circuit bus.

[0066] Referring to Figure 6 In one of the embodiments, the storage module 400 is integrated in the display module 300; wherein the display module 300 is configured with a fourth DDC interface 32; the conversion module 200 is connected with the fourth DDC interface 32 through the third DDC interface 25 to obtain the display attribute data stored in the storage module 400.

[0067] As an example, the conversion module 200 comprises an interface chip, for example, an RK628D chip, and the display module 300 comprises a display screen.

[0068] The present disclosure further provides a display system, comprising the display device as described above and a video storage device; the video storage device is connected with the processor in the display device to transmit an initial video data signal to the processor.

[0069] ​In the display system, the processor 100 is connected with the target interface of the conversion module 200 through the first DDC interface 11, acquires the display attribute information of the display module 300 stored in the conversion module 200, and sends the configuration information for configuring the conversion module 200 to the conversion module 200, so that the function of acquiring the display attribute information and sending the configuration information of the processor 100 is realized through one DDC interface of the processor 100, the connection between the processor 100 and the conversion module 200 is simplified, and the connection design between the processor 100 and the conversion module 200 using the standard video line is facilitated, without the need of customizing the cable.

[0070] Optionally, the conversion module 200 in each of the above embodiments can be an interface chip with high integration degree such as RK628D, and the display module 300 is configured as a display.

[0071] In the description of the present specification, the description of the terms "some embodiments", "other embodiments", "ideal embodiments" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.

[0072] The technical features of the above embodiments can be combined arbitrarily, and in order to make the description simple, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0073] The above embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A display device, characterized in that, The display device comprises: a processor, a display module and a conversion module; the processor is configured with a first DDC interface and a first video output interface, the display module is configured with a first video input interface, and the conversion module is configured with a second video input interface, a second video output interface and a configuration interface; the processor is connected with a target interface of the conversion module through the first DDC interface to acquire display attribute information of the display module stored in the conversion module and send configuration information for configuring the conversion module to the conversion module; the target interface at least comprises the configuration interface; the processor is further configured to convert initial video data signals into display video data signals according to the display attribute information, and the processor is connected with a second video input interface of the conversion module through the first video output interface to transmit the display video data signals to the conversion module; the conversion module is connected with the first video input interface of the display module through the second video output interface to transmit the display video data signals to the display module; and the display module is configured to perform video display according to the display video data signals.

2. The display device according to claim 1, wherein the target interface comprises the configuration interface; the processor is connected with the configuration interface of the conversion module through the first DDC interface to read the display attribute information and send the configuration information.

3. The display device according to claim 1, wherein the conversion module is further configured with a second DDC interface; the target interface comprises the configuration interface and the second DDC interface; and the processor is connected with the second DDC interface to acquire the display attribute information. the processor is connected with the configuration interface through the first DDC interface to send the configuration information.

4. The display device according to claim 1, wherein the conversion module is further configured with a third DDC interface; and the display device further comprises: a storage module storing display attribute data; wherein the conversion module is connected with the storage module through the third DDC interface to acquire the display attribute information according to the display attribute data and store the display attribute information.

5. The display device according to claim 4, wherein the storage module is integrated in the display module; wherein the display module is configured with a fourth DDC interface; and the conversion module is connected with the fourth DDC interface through the third DDC interface to acquire the display attribute data.

6. The display device according to claim 4, wherein the storage module is external to the display module; wherein the third DDC interface and the storage module are connected through an integrated circuit bus.

7. The display device according to claim 1, wherein the processor is connected with the configuration interface through the first DDC interface to write the display attribute information into the conversion module; or the conversion module is further configured with a third DDC interface; and the processor is connected with the third DDC interface to write the display attribute information into the conversion module.

8. The display device according to claim 1, wherein the conversion module is further configured with a second DDC interface and a third DDC interface; and the conversion module comprises: a video input unit connected with the second DDC interface and the second video input interface respectively; a video output unit connected with the video input unit, the third DDC interface and the second video output interface respectively; a storage unit for storing the display attribute information; wherein the processor is connected with the first DDC interface and the storage unit to acquire the display attribute information in the storage unit.

9. The display device according to claim 8, wherein the processor comprises: a video processing unit connected with the first video output interface and the first DDC interface respectively, for acquiring and converting initial video data signal into display video data signal according to the display attribute information; a configuration unit connected with the first DDC interface, for configuring the display attribute information; wherein the configuration unit is connected with the first DDC interface and the storage unit to write the display attribute information into the storage unit.

10. A display system characterized by, comprises: the display device of any one of claims 1-9; a video storage device connected with the processor in the display device, for transmitting initial video data signal to the processor.

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