CN113301322A - VR glasses and VR equipment - Google Patents
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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- H04N13/194—Transmission of image signals
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Abstract
The embodiment of the invention discloses VR glasses and VR equipment. The VR glasses comprise a head display part, an image receiving part and an image output part; the image output part is used for generating an image to be displayed and sending the image to be displayed to the image receiving part; the image receiving part is in wireless communication connection with the image output part and is also electrically connected with the head display part; the image receiving part is used for receiving the image to be displayed and converting the signal type of the image to be displayed into the signal type matched with the head display part; the head display part is used for receiving and displaying an image to be displayed; the resolution of the image to be displayed is greater than or equal to 4K, and the communication bandwidth between the image receiving part and the image output part is greater than or equal to 8 Gbps. The technical scheme provided by the embodiment of the invention can improve the display definition, the refresh rate and the portability of VR glasses.
Description
Technical Field
The embodiment of the invention relates to the technical field of virtual reality, in particular to VR glasses and VR equipment.
Background
Virtual Reality (VR) technology is a three-dimensional dynamic view simulation system that creates users with an immersive environment, has been rapidly developed in recent years, and plays a key role in more and more fields such as live broadcast, education, medical care, and games.
At present, VR glasses in the market include two main types of VR disjunctor and VR all-in-one. The head display part and the image source part of the VR connected machine are connected through hard wires, but the application is limited by the hard wires due to the existence of the hard wires, so that the VR connected machine is inconvenient; the VR all-in-one machine eliminates the hard wire, but is limited by the weight and the volume of the head display part, a mobile processor is generally adopted, the performance of the mobile processor is poor, the quality of an output image is poor, networking is mostly realized through Wireless Fidelity (WIFI), and the network speed often cannot meet the real-time high-bandwidth high-demand of VR application. Therefore, the conventional VR glasses have the problems of low display definition, low refresh rate, low portability and the like, so that the large-scale development and application of the VR glasses are greatly restricted.
Disclosure of Invention
The invention provides VR glasses and VR equipment, which are used for improving the display definition, the refresh rate and the portability of the VR glasses.
In a first aspect, an embodiment of the present invention provides VR glasses, including:
a head display unit, an image receiving unit, and an image output unit;
the image output part is used for generating an image to be displayed and sending the image to be displayed to the image receiving part;
the image receiving part is in wireless communication connection with the image output part, and is also electrically connected with the head display part; the image receiving part is used for receiving the image to be displayed and converting the signal type of the image to be displayed into the signal type matched with the head display part;
the head display part is used for receiving and displaying the image to be displayed;
the resolution of the image to be displayed is greater than or equal to 4K, and the communication bandwidth between the image receiving part and the image output part is greater than or equal to 8 Gbps.
Optionally, the image output section includes: an image source generator for generating the image to be displayed;
the wireless signal transmitter is electrically connected with the image source generator and is used for transmitting the image to be displayed to the image receiving part.
Optionally, the image source generator comprises a PC or a set-top box.
Optionally, the wireless signal transmitter transmits the image to be displayed to the image receiving part based on a 60GHz millimeter wave communication technology.
Optionally, the image receiving part comprises: a wireless signal receiver for receiving the image to be displayed;
the transmitting end bridging chip is electrically connected with the wireless signal receiver and used for converting the signal type of the image to be displayed into a signal type matched with the head display part and transmitting the converted image to be displayed to the head display part;
and the power supply is used for supplying power to the wireless signal receiver and the transmitting end bridge chip.
Optionally, the power supply is further electrically connected to the head display part for supplying power to the head display part.
Optionally, the head display comprises: the receiving end bridging chip is electrically connected with the image receiving part and is used for receiving the image to be displayed and converting the signal type of the image to be displayed into a signal type matched with the display component;
the display assembly is electrically connected with the receiving end bridging chip and is used for displaying the image to be displayed.
Optionally, the display assembly includes a display and an ultra-short focus optical element group, the display is used for displaying the image to be displayed, and the ultra-short focus optical element group is used for expanding a field of view of the display; wherein the focal length of the ultra-short focus optical element group is less than or equal to 20 mm.
Optionally, the display comprises a silicon-based OLED micro-display.
In a second aspect, an embodiment of the present invention further provides VR equipment, where the VR equipment includes the VR glasses in the first aspect.
According to the VR glasses provided by the embodiment of the invention, the image output part, the image receiving part and the head display part are arranged in a split manner, so that the head display part worn on the head of a user is smaller in size, lighter and thinner, and convenient for the user to wear. And, the resolution ratio of waiting to show the image through setting up image output portion output is greater than 4K for the definition of waiting to show the image is higher, is favorable to improving the display effect of VR glasses. In addition, the communication bandwidth between the image receiving part and the image output part is set to be more than or equal to 8Gbps, so that the image to be displayed can be rapidly transmitted between the image receiving part and the image output part, the refreshing frequency of the image to be displayed is favorably improved, the problems of low display definition, low refreshing rate and low portability are solved, and the effects of improving the display definition, the refreshing rate and the portability are realized.
Drawings
Fig. 1 is a schematic structural diagram of VR glasses according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another VR glasses provided by an embodiment of the present invention;
FIG. 3 is a diagram of a frequency band of 60GHz millimeter waves according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a Serdes interface according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a VR device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In view of the problems noted in the background, embodiments of the present invention provide VR glasses. The VR glasses comprise a head display part, an image receiving part and an image output part; the image output part is used for generating an image to be displayed and sending the image to be displayed to the image receiving part; the image receiving part is in wireless communication connection with the image output part and is also electrically connected with the head display part; the image receiving part is used for receiving the image to be displayed and converting the signal type of the image to be displayed into the signal type matched with the head display part; the head display part is used for receiving and displaying an image to be displayed; the resolution of the image to be displayed is greater than or equal to 4K, and the communication bandwidth between the image receiving part and the image output part is greater than or equal to 8 Gbps. By adopting the technical scheme, the problems of low display definition, low refresh rate and low portability can be solved, and the effects of improving the display definition, the refresh rate and the portability are realized.
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of VR glasses according to an embodiment of the present invention. Referring to fig. 1, the VR glasses include: an image receiving unit 20, an image output unit 10, and a head display unit 30; the image output part 10 is used for generating an image to be displayed and sending the image to be displayed to the image receiving part 20; the image receiving unit 20 is connected with the image output unit 10 in a wireless communication manner, and the image receiving unit 20 is also electrically connected with the head display unit 30; the image receiving part 20 is used for receiving the image to be displayed and converting the signal type of the image to be displayed into the signal type matched with the head display part 30; the head display part 30 is used for receiving and displaying an image to be displayed; wherein the resolution of the image to be displayed is equal to or greater than 4K, and the communication bandwidth between the image receiving section 20 and the image output section 10 is equal to or greater than 8 Gbps.
Specifically, the VR glasses include three separate parts, namely an image output part 10, an image receiving part 20 and a head display part 30, the image output part 10 and the image receiving part 20 are connected through wireless communication, and a wireless communication technology adopted between the two parts can be set by a person skilled in the art according to actual situations, which is not limited herein, and will be described with reference to a typical example hereinafter, and will not be described herein again. The image receiving unit 20 and the head display unit 30 communicate with each other by wire.
It is understood that when the user uses VR glasses, the user may hold the image receiving part 20 with his head wearing the head display part 30. Because the head display part 30, the image output part 10 and the image receiving part 20 are separated, compared with the VR glasses in the prior art, the head display part 30 has smaller volume and light weight, and is beneficial to improving the comfort level of wearing the VR glasses by a user.
It can also be understood that the resolution of the image to be displayed output by the image output part 10 is greater than or equal to 4K, the image definition is high, and the communication bandwidth between the image receiving part 20 and the image output part 10 is greater than or equal to 8Gbps, which can meet the requirement of fast transmission of the image to be displayed with high resolution, and is beneficial to improving the refresh frame rate.
The head display unit 30, the image receiving unit 20, and the image output unit 10 may be implemented in various ways, and may be implemented by those skilled in the art according to the actual situation. Hereinafter, a description will be given of a typical example, which will not be described in detail.
According to the VR glasses provided by the embodiment of the invention, the image output part 10, the image receiving part 20 and the head display part 30 are arranged in a split manner, so that the head display part 30 worn on the head of a user is smaller in size, lighter and thinner, and convenient for the user to wear. In addition, the resolution of the image to be displayed output by the image output part 10 is set to be larger than 4K, so that the definition of the image to be displayed is higher, and the display effect of VR glasses is improved. In addition, by setting the communication bandwidth between the image receiving part 20 and the image output part 10 to be greater than or equal to 8Gbps, the image to be displayed can be rapidly transmitted between the image receiving part and the image output part, so that the refreshing frequency of the image to be displayed is improved, the problems of low display definition, low refreshing rate and low portability are solved, and the effects of improving the display definition, the refreshing rate and the portability are realized.
Fig. 2 is a schematic structural diagram of another VR glasses according to an embodiment of the present invention. Referring to fig. 2, the image output section 10 includes: an image source generator 11, the image source generator 11 is used for generating an image to be displayed; and a wireless signal transmitter 12, wherein the wireless signal transmitter 12 is electrically connected with the image source generator 11, and the wireless signal transmitter 12 is used for transmitting the image to be displayed to the image receiving part 20.
It should be noted that the specific implementation of the image source generator 11 and the wireless signal transmitter 12 can be set by those skilled in the art according to the actual requirements, and is not limited herein.
Optionally, the image source generator 11 comprises a PC or a set-top box.
It can be understood that the picture to be displayed is generated by an independent PC or a high-performance set top box, and the PC and the high-performance set top box have enough computing power, can generate an ultra-high definition image with the resolution ratio of more than 4K in real time, and meet the requirement of VR glasses.
Alternatively, the wireless signal transmitter 12 transmits the image to be displayed to the image receiving section 20 based on the 60GHz millimeter wave communication technique.
Exemplarily, fig. 3 is a frequency band diagram of a 60GHz millimeter wave according to an embodiment of the present invention. Specifically, it is very difficult to implement transmission exceeding 10Gbps in a frequency band below 5GHz (e.g., WIFI), and spectrum resources are very limited, while bandwidth of ultra-high definition video transmission often exceeds 10Gbps, and it is difficult for the frequency band below 5GHz to meet requirements of the ultra-high definition video transmission. However, in the present application, considering that the components of millimeter waves in the 60GHz band are small in size, a high-gain antenna is easy to implement, and the millimeter waves have a continuous bandwidth of at least 5GHz and a single-channel bandwidth exceeding 2GHz, the maximum allowable transmission power is much higher than other short-distance communication standards, and even if low-order modulation is adopted, the transmission speed exceeding Gbit/s can be easily achieved. In addition, very many frequency band resources are available near 60GHz, and the ultrahigh transmission rate of 7Gbps is supported. The 60GHz frequency band does not need to be authorized and can be widely used, within the 60GHz frequency band, the frequency spectrums available in different countries are different, and the currently open channels in China are 59-64GHz (channel 2 and channel 3). Therefore, wireless communication using millimeter waves of about 60GHz in the V band enables transmission of ultra-high definition video without compression, in real time, and at high speed, without loss of image quality and without significant increase in delay, and is advantageous for improving the refresh frame rate. In addition, the size of the components located at the millimeter wave of the 60GHz band is small, so that the size and weight of the image output unit 10 and the image receiving unit 20 can be reduced, which is advantageous for improving the portability of the image receiving unit 20.
The protocol standard used for wireless communication between the image output unit 10 and the image receiving unit 20 may be set by those skilled in the art according to actual circumstances, and is not limited herein. Illustratively, Wireless communication between the image receiving section 20 and the image receiving section 20 may be realized using a Wireless high-definition video transmission technology based on the Wireless Gigabit (WiGig) standard. The WiGig standard defines four channels, each of which is 2.16GHz wide. The WiGig standard supports beam forming, can improve signal strength to the utmost extent, and can realize high-speed real-time communication within a short distance of 10 meters. The WiGig standard is also similar to the WiGig standard in that although the communication speed of the WiGig hd can reach higher (10-28Gbit/s), the WiGig standard has longer communication distance, higher shielding performance, and better compatibility and customization, and is therefore preferably used.
It should be noted that, the specific implementation of the wireless signal transmitter 12 based on the 60GHz millimeter wave communication technology may be set by those skilled in the art according to practical situations, and is not limited herein. Illustratively, the wireless signal transmitter 12 may employ a self-developed Multiple Input Multiple Output (MIMO) antenna transceiver module, which may include a Field Programmable Gate Array (FPGA) including a WiGig standard-based wireless transceiver module. The MIMO antenna transceiver module has ultrahigh transmission rate, the upper limit rate can reach 8Gbps, and the effect of transmitting ultrahigh-definition video (such as 4K ultrahigh-definition video) in real time without compression can be realized. The MIMO antenna transceiver module performs channel estimation and tracking on a beam space channel of the image receiving unit 20 based on a beam space technique, thereby obtaining a position of a user in real time and adjusting and amplifying a signal for the user position. The beam space technology can save the use number of radio frequency chains in the MIMO system to the maximum extent and effectively reduce the energy loss of the system on the premise of obtaining complete large-scale MIMO channel information. Meanwhile, the antenna array is adjusted to be linear polarization or circular polarization by changing the radiation part of the antenna array, and the characteristics of gain, broadband and high radiation efficiency are realized by adopting a low insertion loss feed network and a broadband antenna unit. Exemplarily, table 1 shows relevant performance parameters of the MIMO antenna transceiver module.
TABLE 1
With continued reference to fig. 2, optionally, the image receiving section 20 includes: the wireless signal receiver 21, the wireless signal receiver 21 is used for receiving the picture to be displayed; the transmitting end bridging chip 22 is electrically connected with the wireless signal receiver 21, and the transmitting end bridging chip 22 is used for converting the signal type of the image to be displayed into a signal type matched with the head display part 30 and sending the converted image to be displayed to the head display part 30; and the power supply 23 is used for supplying power to the wireless signal receiver 21 and the transmitting-end bridge chip 22.
Specifically, the embodiment of the wireless signal receiver 21 can be set by those skilled in the art according to practical situations, and is not limited herein. Illustratively, the wireless signal receiver 21 may employ a self-developed MIMO antenna transceiver module.
Specifically, the sending-end bridge chip 22 may convert the image to be displayed output by the wireless signal receiver 21 and based on a High Definition Multimedia Interface (HDMI) into a High-speed image to be displayed based on a Low Voltage Differential Signaling (LVDS). The specific implementation of the sending-end bridge chip 22 can be set by those skilled in the art according to practical situations, and is not limited herein.
Illustratively, the sending-end bridge chip 22 may be a self-developed bridge chip, which supports 8Gbps data bandwidth, and outputs 40 LVDS channels, with a speed of 1Gbps per channel, and a single screen using 4 channels. Specifically, the bridge chip needs to design a Serdes interface to complete high-speed transmission, where the Serdes interface includes a serializer (abbreviated as SER) and a deserializer (abbreviated as DES), the serializer includes a parallel LVDS circuit and a transmitter, and the deserializer includes a receiver, an LVDS circuit, a Clock Data Recovery (CDR) circuit, and the like. Exemplarily, fig. 4 is a schematic structural diagram of a Serdes interface according to an embodiment of the present invention. Referring to fig. 4, the Serdes interface includes a physical coding sublayer (PCS for short) and a physical medium attachment (PMA for short). The PCS is responsible for encoding/decoding of data streams and is realized by a digital circuit, and mainly comprises circuits such as 8b/10b decoding, Built-In Self Test (BIST) scanning, digital scanning control of a silicon-based OLED micro-display and the like. The PMA is responsible for serialization/deserialization, and is implemented by an analog circuit, and mainly includes an LVDS circuit, a Phase Locked Loop (PLL), a Clock Data Recovery (CDR) circuit, an Equalizer (EQ), and other circuits. The CDR adjusts the phase of the local clock according to the phase difference between the received data and the local clock, so that the recovered clock and the local clock keep a certain relation on the phase, and the clock is recovered from the jittered adjusting signal, thereby achieving the purpose of clock synchronization. The EQ is mainly used for compensating the damage of a channel to a high-frequency signal, the self-adaptive equalizer circuit is composed of a self-adaptive CTLE and a 2-tap half-rate preprocessing self-adaptive DFE, the 20db data attenuation compensation can be achieved, and the bandwidth can reach 8 Gbps. The specifications of the self-developed bridge chip are shown in table 2:
TABLE 2
Illustratively, the function of the serializer in the transmitting-end bridge chip 22 is to convert the HDMI parallel video signal into a high-speed LVDS signal, serialize it and transmit it to the head display 30. The serializer in the transmitting-side bridge chip 22 may be implemented by an FPGA.
With continued reference to FIG. 2, optionally, the power source 23 is also electrically connected to the head display 30 for powering the head display 30.
It will be appreciated that by providing the power source 23 on the image receiving portion 20 to power the head display portion 30, less structure remains on the head display portion 30, thereby further reducing the weight and volume of the head display portion 30.
With continued reference to fig. 2, optionally, the head display 30 includes: the receiving end bridge chip 31 is electrically connected with the image receiving part 20, and is used for receiving an image to be displayed and converting the signal type of the image to be displayed into a signal type matched with the display component 32; the display module 32 is electrically connected to the receiving-end bridge chip 31, and the display module 32 is used for displaying an image to be displayed.
Specifically, the specific implementation of the receiving-end bridge chip 31 may be set by a person skilled in the art according to practical situations, and is not limited herein. For example, the receiving-end bridge chip 31 may be a self-developed bridge chip. The function of the deserializer in the receiving-end bridge chip 31 is to receive the high-speed LVDS signal and correctly convert it into a parallel video signal received by the silicon-based OLED microdisplay. Illustratively, the receiving-end bridge chip 31 may be implemented by using a CMOS 40nm process.
Specifically, the specific embodiment of the display assembly 32 can be set by a person skilled in the art according to practical situations, and is not limited herein. With continued reference to fig. 2, optionally, the display assembly 32 includes a display for displaying an image to be displayed and an ultra-short focal optical element set for expanding the field of view of the display; wherein the focal length of the ultra-short focus optical element group is less than or equal to 20 mm.
Specifically, the specific implementation of the ultra-short focus optical element group and the selection of the type of the display can be set by those skilled in the art according to practical situations, and are not limited herein. Optionally, the display comprises a silicon-based OLED micro-display. Illustratively, a digital driving type silicon-based OLED micro-display with binocular resolution not lower than 3200X 1600 and refresh rate up to 90Hz can be used for displaying the image to be displayed.
Specifically, the display currently applied to VR glasses mainly uses a Thin film transistor liquid crystal display (TFT-LCD) or an Active Matrix Organic Light Emitting Diode (AMOLED), and the resolution of the display is usually about 2K, and the size of the display is usually greater than 5 inches, which results in low resolution and heavy weight of the head display part in the prior art. However, the silicon-based OLED micro-display is adopted in the application, and is a semiconductor process-based micro-display with a silicon chip as a substrate, and has the advantages of high refresh rate, rich colors, high contrast, low power consumption, high response speed, good display consistency, relatively mature technology and the like. The pixel dot pitch can reach below 10 mu m, the pixel density is more than 3000PPI, the pixel density is obviously higher than that of a TFT-LCD and an AMOLED, display pixels with the resolution of more than 2K can be integrated in a panel of about 1 inch, and the higher definition is realized while the system volume is greatly reduced.
Specifically, the traditional optical scheme of aspherical mirror or fresnel lens is adopted mostly to VR glasses among the prior art, but, can lead to the first thickness that shows of VR great, causes the first weight that shows of VR great, is 400 to 500 grams mostly. However, in the present application, an ultra-short-focus optical scheme is adopted, which employs two front and rear optical elements, including a rear curved optical element and a front smaller curved optical element, and the two optical elements can partially transmit and partially reflect light, and fold an optical path into a small space through polarization-based reflection, thereby forming folded optics, and finally forming a large field-of-view display. Illustratively, by designing a trade-off between profile size and field of view, 90-100 degree field of view can be achieved with a 1.3-1.5 inch OLED screen. And the weight of the head display part 30 is reduced to 150 g or less, thereby greatly reducing the weight and volume of the head display.
It can be seen that adopting silica-based OLED microdisplay and ultrashort burnt optical technology in this application, can improving the display resolution ratio and the vision of VR glasses and presenting the effect when reducing the 30 weight of head display portion by a wide margin, fundamentally breaks current situation that current VR glasses wear heavy, resolution ratio is unclear, promotes user visual experience and wears the comfort level.
Based on the above inventive concept, an embodiment of the present invention further provides a VR device, where the VR device includes the VR glasses provided in the foregoing embodiment. Therefore, the VR glasses provided by the embodiment of the present invention also have the beneficial effects described in the above embodiments, and details are not repeated herein. For example, fig. 5 is a schematic structural diagram of a VR device according to an embodiment of the present invention. The VR device includes VR glasses 1, which may be a VR device applied to a home set-top box (a future living room), a shared theater, VR live broadcast, VR education, VR games, VR medical treatment, and other fields, which is not limited in the embodiment of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A VR glasses, comprising: a head display unit, an image receiving unit, and an image output unit;
the image output part is used for generating an image to be displayed and sending the image to be displayed to the image receiving part;
the image receiving part is in wireless communication connection with the image output part, and is also electrically connected with the head display part; the image receiving part is used for receiving the image to be displayed and converting the signal type of the image to be displayed into the signal type matched with the head display part;
the head display part is used for receiving and displaying the image to be displayed;
the resolution of the image to be displayed is greater than or equal to 4K, and the communication bandwidth between the image receiving part and the image output part is greater than or equal to 8 Gbps.
2. The VR glasses of claim 1, wherein the image output portion comprises:
an image source generator for generating the image to be displayed;
the wireless signal transmitter is electrically connected with the image source generator and is used for transmitting the image to be displayed to the image receiving part.
3. The VR glasses of claim 2, wherein the image source generator comprises a PC or a set-top box.
4. The VR glasses of claim 2, wherein the wireless signal transmitter transmits the image to be displayed to the image receiving part based on a 60GHz millimeter wave communication technology.
5. The VR glasses of claim 1, wherein the image receiving portion comprises:
a wireless signal receiver for receiving the image to be displayed;
the transmitting end bridging chip is electrically connected with the wireless signal receiver and used for converting the signal type of the image to be displayed into a signal type matched with the head display part and transmitting the converted image to be displayed to the head display part;
and the power supply is used for supplying power to the wireless signal receiver and the transmitting end bridge chip.
6. The VR glasses of claim 5 wherein the power source is further electrically connected to the head piece for providing power to the head piece.
7. The VR glasses of claim 1, wherein the head piece comprises:
the receiving end bridging chip is electrically connected with the image receiving part and is used for receiving the image to be displayed and converting the signal type of the image to be displayed into a signal type matched with the display component;
the display assembly is electrically connected with the receiving end bridging chip and is used for displaying the image to be displayed.
8. The VR glasses of claim 7,
the display assembly comprises a display and an ultra-short focus optical element group, the display is used for displaying the image to be displayed, and the ultra-short focus optical element group is used for expanding the view field of the display; wherein the focal length of the ultra-short focus optical element group is less than or equal to 20 mm.
9. The VR glasses of claim 8, wherein the display comprises a silicon-based OLED micro-display.
10. A VR device comprising VR glasses as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110710283.9A CN113301322A (en) | 2021-06-25 | 2021-06-25 | VR glasses and VR equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110710283.9A CN113301322A (en) | 2021-06-25 | 2021-06-25 | VR glasses and VR equipment |
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| CN113301322A true CN113301322A (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110710283.9A Pending CN113301322A (en) | 2021-06-25 | 2021-06-25 | VR glasses and VR equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024141889A1 (en) * | 2022-12-28 | 2024-07-04 | 株式会社半導体エネルギー研究所 | Electronic apparatus |
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