CN107229337B - VR display system and method - Google Patents
VR display system and method Download PDFInfo
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- CN107229337B CN107229337B CN201710461457.6A CN201710461457A CN107229337B CN 107229337 B CN107229337 B CN 107229337B CN 201710461457 A CN201710461457 A CN 201710461457A CN 107229337 B CN107229337 B CN 107229337B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
Abstract
The embodiment of the invention provides a VR display system, a VR display method and a VR display method, and belongs to the technical field of virtual reality equipment display. The VR display system includes: processing module, conversion transmission module and VR display panel. The processing module is coupled with the conversion transmission module, and the conversion transmission module is used for being coupled with the VR display panel. Through processing module according to being greater than 60FPS according to the continuous generation of predetermined speed and output two at least way display signal to and conversion transmission module is with every way display signal according to the conversion and the long-distance transmission of predetermined speed, guaranteed that VR display panel lasts and carry out the picture display according to predetermined speed, and then avoided split type VR equipment to bring strong dizzy sense for the user, improved split type VR equipment practical application's suitability.
Description
Technical Field
The invention relates to the technical field of Virtual Reality (VR) equipment display, in particular to a VR display system and a method.
Background
With the continuous development and improvement of science and technology, VR equipment has been developed and advanced greatly and is gradually popularized and applied to daily life of people.
In present various VR equipment, split type VR equipment makes its practical application more favored by people because its portable split type user mode, and then people are also higher and higher to split type VR equipment display effect's requirement. However, in the current split VR device, the number of Frames Per Second (Frames Per Second, FPS) of the split VR device is typically 60FPS required for the game experience. If the split type VR device is complicated to process the displayed picture image, the split type VR device is prone to generate instability of the frame number of the picture, and a strong dizzy feeling is brought to a user. And then the suitability of split type VR equipment practical application has seriously been reduced.
Therefore, how to effectively prevent split type VR equipment from bringing strong vertigo to the user, it is a big problem in the industry at present to improve split type VR equipment practical application's suitability.
Disclosure of Invention
Accordingly, the present invention is directed to a VR display system, method and system that can effectively solve the above problems.
The implementation mode of the embodiment of the invention is as follows:
in a first aspect, an embodiment of the present invention provides a VR display system, including: the device comprises a processing module, a conversion transmission module and a VR display panel, wherein the processing module is coupled with the conversion transmission module, and the conversion transmission module is coupled with the VR display panel. The processing module is used for generating at least two paths of display signals according to a preset rate and outputting each path of display signals to the conversion transmission module according to the preset rate, wherein the preset rate is greater than 60 FPS. And the conversion and transmission module is used for converting the acquired display signals of each path into long-distance transmission display signals and transmitting the long-distance transmission display signals to the VR display panel in a long distance.
Further, the conversion transmission module includes: the VR display panel comprises a processing module, a first conversion transmission unit and a second conversion transmission unit, wherein the processing module and the second conversion transmission unit are respectively coupled with the first conversion transmission unit and the second conversion transmission unit, and the second conversion transmission unit is coupled with the VR display panel. The first conversion transmission unit is used for acquiring at least two paths of display signals, converting the at least two paths of display signals into the long-distance transmission display signals according to the preset rate, and transmitting the long-distance transmission display signals to the second conversion module according to the preset rate in a long distance. And the second conversion and transmission unit is used for converting the acquired long-distance transmission display signals into at least two paths of display signals according to the preset rate and outputting each path of display signals to the VR display panel according to the preset rate.
Further, a first output terminal of the processing module is coupled to a first input terminal of the switching transmission module, and a second output terminal of the processing module is coupled to a second input terminal of the switching transmission module. The processing module is used for generating two paths of display signals according to the preset rate, passing the display signals through the first output end of the processing module according to the preset rate and outputting the display signals to the first input end of the conversion transmission module, and passing the display signals through the other path, and the second output end of the processing module according to the preset rate and outputting the display signals to the second input end of the conversion transmission module.
Further, a first input end of the first conversion transmission unit is coupled to a first output end of the processing module, a second input end of the first conversion transmission unit is coupled to a second output end of the processing module, and a first output end and a second output end of the second conversion transmission unit are both coupled to the VR display panel. The first conversion transmission unit is used for acquiring one path of display signals through a first input end of the first conversion transmission unit, acquiring the other path of display signals through a second input end of the first conversion transmission unit, converting at least two paths of display signals into long-distance transmission display signals according to the preset rate, and transmitting the long-distance transmission display signals to the second conversion module according to the preset rate and the long distance. The second conversion transmission unit is used for converting the acquired long-distance transmission display signal into two paths at a preset rate, the display signal is transmitted all the way, the display signal is transmitted through a first output end of the second conversion transmission unit, the first output end of the second conversion transmission unit is transmitted to the VR display panel at the preset rate, and the display signal is transmitted through the other path, the second output end of the second conversion transmission unit is transmitted to the VR display panel at the preset rate.
Further, the first output end of the second conversion transmission unit is connected to the first input end of the VR display panel, and the second output end of the second conversion transmission unit is connected to the second input end of the VR display panel.
Further, the first output end of the processing module, the second output end of the processing module, the first output end of the second conversion transmission unit, and the second output end of the second conversion transmission unit are all DSI output interfaces.
Further, the first input end of the first switching transmission unit and the second input end of the first switching transmission unit are both DSI input interfaces.
Further, the EDP output interface of the first conversion transmission unit is coupled with the EDP input interface of the second conversion transmission unit.
In a second aspect, an embodiment of the present invention provides a VR display method, which is applied to the VR display system. The method comprises the following steps: the processing module generates at least two paths of display signals according to a preset rate, and outputs each path of display signals to the conversion transmission module according to the preset rate, wherein the preset rate is more than 60 FPS; the conversion and transmission module converts the acquired display signals of each path into long-distance transmission display signals and transmits the long-distance transmission display signals to the VR display panel in a long distance.
Further, the conversion and transmission module converts each acquired display signal into a long-distance transmission display signal and transmits the long-distance transmission display signal to the VR display panel in a long distance. The method comprises the following steps: the first conversion transmission unit acquires at least two paths of display signals, converts the at least two paths of display signals into the long-distance transmission display signals according to the preset rate, and transmits the long-distance transmission display signals to the second conversion module according to the preset rate in a long distance; and the second conversion and transmission unit converts the acquired long-distance transmission display signals into at least two paths of display signals according to the preset rate and outputs each path of display signals to the VR display panel according to the preset rate. The embodiment of the invention has the beneficial effects that:
and generating at least two paths of display signals according to a preset rate of more than 60FPS through a processing module, and outputting each path of display signals to a conversion transmission module according to the preset rate. And then each path of acquired display signals is converted into long-distance transmission display signals through a conversion transmission module, and the long-distance transmission display signals are transmitted to the VR display panel in a long distance. Therefore, at least two paths of display signals are generated and output continuously according to the preset rate through the processing module according to the FPS larger than 60, and each path of display signals are transmitted in a long distance according to the conversion and the long distance transmission of the preset rate through the conversion transmission module, the fact that the VR display panel continuously carries out picture display according to the preset rate is guaranteed, further, the split VR device is prevented from bringing strong dizziness to a user, and the applicability of the practical application of the split VR device is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 illustrates a first block diagram of a VR display system according to a first embodiment of the present invention;
fig. 2 is a second block diagram of a VR display system according to a first embodiment of the present invention;
FIG. 3 is a flow chart illustrating a VR display method according to a second embodiment of the invention;
fig. 4 shows a sub-flowchart of step S200 in a VR display method according to a second embodiment of the present invention.
Icon: a 100-VR display system; 110-a processing module; 120-switching transmission module; 121-a first switching transmission unit; 122-a second switching transmission unit; 200-VR display panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
First embodiment
Referring to fig. 2, a VR display system 100 according to a second embodiment of the present invention includes: a processing module 110, a conversion transmission module 120, and a VR display panel 130. The processing module 110 is coupled to the conversion and transmission module 120, and the conversion and transmission module 120 is coupled to the VR display panel 130.
The processing module 110 is configured to generate at least two display signals according to a preset control program at a preset rate, and output each display signal to the coupled conversion and transmission module 120 at the preset rate, where the preset rate is greater than 60 FPS.
The conversion and transmission module 120 is configured to convert each acquired display signal into a long-distance transmission display signal, and transmit the long-distance transmission display signal to the VR display panel 130 after transmitting the long-distance transmission display signal in a long distance through a data transmission wire.
The VR display panel 130 is configured to synchronously display a matched display image according to the long-distance transmission display signal acquired according to the preset rate.
Referring to fig. 2, the processing module 110 may be an integrated circuit chip having signal processing capability. The Processing module 110 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. In this embodiment, in order to ensure that the processing module 110 generates two display signals at a predetermined rate, the processing module 110 is a central processing unit, and the model of the processing module 110 is a celluon 820 processing chip or a celluon 835 processing chip of QualComm.
The processing module 110 generates at least two display signals according to a preset control program at a preset rate, wherein the preset rate is greater than 60FPS, and each display signal is an MIPI 4lane differential signal supporting an MIPI (mobile Industry Processor interface) protocol. In this embodiment, in order to ensure that the rate of generating at least two display signals is reduced, for example, lower than 60FPS, when the processing module 110 processes a complex image, the display frame of the VR display panel 130 is dropped, and further the user feels severe vertigo. Preferably, the preset rate of the at least two display signals generated by the processing module 110 is 120FPS, but not limited to this embodiment, and the preset rate of the at least two display signals generated by the processing module 110 may also be adjusted according to the actual use requirement. In addition, if the number of paths of the display signals generated by the processing module 110 is too large, the VR display system 100 needs a more complex circuit structure to transmit and convert each path of the display signals, thereby increasing the manufacturing cost of the VR display system 100. Preferably, the processing module 110 generates two display signals at a preset rate. The first output end and the second output end of the processing module 110 are both connected to the conversion transmission module 120, wherein the first output end and the second output end of the processing module 110 are both DSI output interfaces. The first output end of the processing module 110 outputs one path of the generated display signal to the conversion transmission module 120 according to a preset rate, and the second output end of the processing module 110 also outputs the other path of the generated display signal to the conversion transmission module 120 according to the preset rate.
The conversion transmission module includes: a first switching transmission unit 121 and a second switching transmission unit 122. The first converting and transmitting unit 121 is coupled to the processing module 110 and the second converting and transmitting unit 122, and the second converting and transmitting unit 122 is coupled to the VR display panel 130.
The first conversion and transmission unit 121 is configured to obtain at least two display signals, convert the at least two display signals into long-distance transmission and display signals according to a preset rate, and transmit the long-distance transmission and display signals to the second conversion module according to the preset rate and the long distance. Specifically, the first switch transmission unit 121 is an SN65DSI86 chip of TI corporation. A first input terminal of the first switch transmission unit 121 is coupled to a first output terminal of the processing module 110, and a second input terminal of the first switch transmission unit 121 is coupled to a second output terminal of the processing module 110, where the first input terminal and the second input terminal of the first switch transmission unit 121 are both DSI input interfaces. In this embodiment, the display signals are two paths, a first input end of the first converting and transmitting unit 121 receives one path of the display signals output by the processing module 110, and a second input end of the first converting and transmitting unit 121 receives the other path of the display signals output by the processing module 110. The first conversion and transmission unit 121 synchronously converts the two acquired display signals into a long distance transmission display signal according to a preset rate according to a preset control program, wherein the long distance transmission display signal is an EDP differential signal of EDP4 lane. The EDP output interface of the first converting and transmitting unit 121 is coupled to the second converting and transmitting unit 122 through a data transmission wire, and the first converting and transmitting unit 121 transmits the display signal to the second converting and transmitting unit 122 at a long distance according to a preset rate. It should be noted that the length of the data transmission wire can be selected according to the actual use requirement of the split VR device.
The second conversion and transmission unit 122 is configured to convert the acquired long distance transmission display signal into at least two paths of the display signals according to a preset rate, and output each path of the display signal to the VR display panel 130 according to the preset rate. Specifically, the second converting and transmitting unit 122 is a TC358860XBG chip manufactured by Toshiba corporation. The EDP input interface of the second switching transmission unit 122 is also connected to the EDP output interface of the first switching transmission unit 121 via a data transmission line. In this embodiment, the display signals are two paths, the second conversion and transmission unit 122 converts the acquired long distance transmission display signals into two paths of display signals according to a preset rate according to a preset control program, and each path of display signals is also an MIPI 4lane differential signal supporting the MIPI protocol. A first output end and a second output end of the second conversion transmission unit 122 are both coupled with the VR display panel 130, wherein the first output end and the second output end of the second conversion transmission unit 122 are both DSI output interfaces, and a first input end and a second input end of the VR display panel 130 are both DSI input interfaces. It is understood that a first output terminal of the second switch transfer unit 122 is coupled to a first input terminal of the VR display panel 130 and a second output terminal of the second switch transfer unit 122 is coupled to a second input terminal of the VR display panel 130. The first output end of the second conversion and transmission unit 122 outputs one path of converted display signals to the first input end of the VR display panel 130 at a preset rate, and the second output end of the second conversion and transmission unit 122 outputs the other path of converted display signals to the second input end of the VR display panel 130 at a preset rate.
The VR display panel 130 is configured to synchronously display a display image matched with the at least two display signals according to the at least two display signals acquired according to the preset rate. In this embodiment, the VR Display panel 130 may be an LCD Display Module (Liquid Crystal Display) panel, i.e., an LCM panel (LCD Module). In order to ensure that the VR display panel 130 receives at least two display signals synchronously at a preset rate and synchronously displays a display picture matched with the at least two display signals, the VR display panel 130 may be of a Sharp-LS029B3SX01 type, and the maximum receiving rate and the display frame rate supported by the VR display panel 130 are both 120FPS and that of the VR display panel 130. After the VR display panel 130 receives each path of display signal according to the preset rate, the VR display panel 130 correspondingly lights the corresponding light emitting diode units on the panel by analyzing each path of display signal according to the preset rate, and then the VR display panel 130 synchronously displays the display picture matched with the at least two paths of display signals by lighting a plurality of light emitting diode units to form a combination.
Second embodiment
Referring to fig. 3, fig. 3 is a flowchart illustrating a VR display method according to a first embodiment of the present invention, where the VR display method is applied to a VR display system, and the VR display method includes: step S100 and step S200.
Step S100: the processing module generates at least two paths of display signals according to a preset rate, and outputs each path of display signals to the conversion transmission module according to the preset rate, wherein the preset rate is greater than 60 FPS.
Step S200: the conversion and transmission module converts the acquired display signals of each path into long-distance transmission display signals and transmits the long-distance transmission display signals to the VR display panel in a long distance.
Referring to fig. 4, fig. 4 shows a method sub-flow of step S200 in the VR display method, and the method sub-flow of step S200 includes: step S210 and step S220.
Step S210: the first conversion transmission unit acquires at least two paths of display signals, converts the at least two paths of display signals into long-distance transmission display signals according to the preset rate, and transmits the long-distance transmission display signals to the second conversion module according to the preset rate in a long distance.
Step S220: and the second conversion and transmission unit converts the acquired long-distance transmission display signals into at least two paths of display signals according to the preset rate and outputs each path of display signals to the VR display panel according to the preset rate.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the method described above may refer to the corresponding process in the foregoing apparatus, and is not described herein again.
In summary, embodiments of the present invention provide a VR display system, method and system. VR display system is applied to VR display system, and VR display system includes: VR display panel, VR display system includes: the device comprises a processing module and a conversion transmission module. The processing module is coupled with the conversion transmission module, and the conversion transmission module is used for being coupled with the VR display panel.
And generating at least two paths of display signals according to a preset rate of more than 60FPS through a processing module, and outputting each path of display signals to a conversion transmission module according to the preset rate. And then each path of acquired display signals is converted into long-distance transmission display signals through a conversion transmission module, and the long-distance transmission display signals are transmitted to the VR display panel in a long distance. Therefore, at least two paths of display signals are generated and output continuously according to the preset rate through the processing module according to the FPS larger than 60, and each path of display signals are transmitted in a long distance according to the conversion and the long distance transmission of the preset rate through the conversion transmission module, the fact that the VR display panel continuously carries out picture display according to the preset rate is guaranteed, further, the split VR device is prevented from bringing strong dizziness to a user, and the applicability of the practical application of the split VR device is improved. The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A VR display system, the VR display system comprising: the system comprises a processing module, a conversion transmission module and a VR display panel, wherein the processing module is coupled with the conversion transmission module, and the conversion transmission module is coupled with the VR display panel;
the processing module is used for generating at least two paths of display signals according to a preset rate and outputting each path of display signals to the conversion transmission module according to the preset rate, wherein the preset rate is greater than 60 FPS;
the conversion transmission module is used for converting the acquired display signals of each path into long-distance transmission display signals and transmitting the long-distance transmission display signals to the VR display panel in a long distance;
wherein the conversion transmission module comprises: a first switching transmission unit and a second switching transmission unit;
the first conversion transmission unit is configured to acquire at least two paths of the display signals, convert the at least two paths of the display signals into one path of the long-distance transmission display signal according to the preset rate, and transmit the long-distance transmission display signal to the second conversion module at a long distance according to the preset rate;
and the second conversion and transmission unit is used for converting the acquired long-distance transmission display signals into at least two paths of display signals according to the preset rate and outputting each path of display signals to the VR display panel according to the preset rate.
2. The VR display system of claim 1, wherein a first output of the processing module is coupled to a first input of the conversion transmission module and a second output of the processing module is coupled to a second input of the conversion transmission module;
the processing module is used for generating two paths of display signals according to the preset rate, passing the display signals through the first output end of the processing module according to the preset rate and outputting the display signals to the first input end of the conversion transmission module, and passing the display signals through the other path, and the second output end of the processing module according to the preset rate and outputting the display signals to the second input end of the conversion transmission module.
3. The VR display system of claim 2, wherein a first input of the first transition transmission unit is coupled to a first output of the processing module, a second input of the first transition transmission unit is coupled to a second output of the processing module, and a first output and a second output of the second transition transmission unit are both coupled to the VR display panel;
the first conversion and transmission unit is configured to obtain one path of the display signal through a first input end of the first conversion and transmission unit, obtain another path of the display signal through a second input end of the first conversion and transmission unit, convert at least two paths of the display signals into the long-distance transmission and display signal according to the preset rate, and long-distance transmit the long-distance transmission and display signal to the second conversion module according to the preset rate;
the second conversion transmission unit is used for converting the acquired long-distance transmission display signal into two paths at a preset rate, the display signal is transmitted all the way, the display signal is transmitted through a first output end of the second conversion transmission unit, the first output end of the second conversion transmission unit is transmitted to the VR display panel at the preset rate, and the display signal is transmitted through the other path, the second output end of the second conversion transmission unit is transmitted to the VR display panel at the preset rate.
4. The VR display system of claim 3 wherein a first output of the second transition transmission unit is coupled to a first input of the VR display panel and a second output of the second transition transmission unit is coupled to a second input of the VR display panel.
5. The VR display system of claim 3 wherein the first output of the processing module, the second output of the processing module, the first output of the second switching transmission unit, and the second output of the second switching transmission unit are DSI output interfaces.
6. The VR display system of claim 3 wherein the first input of the first transition unit and the second input of the first transition unit are both DSI input interfaces.
7. The VR display system of claim 3 wherein an EDP output interface of the first transition transmission unit and an EDP input interface of the second transition transmission unit are coupled.
8. A VR display method applied to the VR display system of any one of claims 1 to 7, the method comprising:
the processing module generates at least two paths of display signals according to a preset rate, and outputs each path of display signals to the conversion transmission module according to the preset rate, wherein the preset rate is more than 60 FPS;
the conversion transmission module converts each path of acquired display signals into long-distance transmission display signals and transmits the long-distance transmission display signals to a VR display panel in a long distance;
wherein, the conversion transmission module will acquire every way the display signal all converts long distance transmission display signal to with long distance transmission display signal long distance transmission to VR display panel's step includes:
the first conversion transmission unit acquires at least two paths of display signals, converts the at least two paths of display signals into the long-distance transmission display signals according to the preset rate, and transmits the long-distance transmission display signals to the second conversion module according to the preset rate in a long distance;
and the second conversion and transmission unit converts the acquired long-distance transmission display signals into at least two paths of display signals according to the preset rate and outputs each path of display signals to the VR display panel according to the preset rate.
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