CN215953975U

CN215953975U - Flexible liquid crystal intelligence AR glasses that discolour

Info

Publication number: CN215953975U
Application number: CN202121535196.6U
Authority: CN
Inventors: 熊茂宇; 华建飞
Original assignee: Jiangxi Phoenix Optical Technology Co ltd
Current assignee: Jiangxi Phoenix Optical Technology Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-03-04
Anticipated expiration: 2031-07-07

Abstract

The utility model discloses flexible liquid crystal intelligent color-changing AR glasses, which comprise a glasses frame, glasses legs and a nose support; the main board is arranged in the mirror frame; the camera is connected with the main board and penetrates through the front wall of the mirror frame; the lens mechanism is arranged on the frame and corresponds to eyes, and comprises a flexible liquid crystal screen, a waveguide lens and an FPC coil, wherein the flexible liquid crystal screen is positioned on the front side of the waveguide lens, the waveguide lens is provided with a prism, and the FPC coil is arranged in the flexible liquid crystal screen; the color-changing processing module is arranged on the mirror frame and comprises a voltage regulating circuit, an MCU, a lighting sensor and a battery for supplying power, wherein the voltage regulating circuit, the MCU, the lighting sensor and the battery are sequentially and electrically connected; the optical-mechanical mechanism is arranged on the mirror frame and connected with the main board, the prism is positioned in the optical-mechanical mechanism, and the light wave emitted by the optical-mechanical mechanism forms projection after passing through the waveguide lens. The device can be sensitized and automatically adjusted in color, the visual field definition and the protection to human eyes are increased, the power consumption is low, the endurance is long, the wearing is comfortable, the use safety is high, and the application range is wide.

Description

Flexible liquid crystal intelligence AR glasses that discolour

Technical Field

The utility model belongs to the technical field of AR glasses, and particularly relates to flexible liquid crystal intelligent color-changing AR glasses.

Background

AR glasses are a new product of modern technology, and generally, the lenses are colored on the outer surface or injection-molded according to different colors to achieve the light shading effect. However, the lenses molded by dyeing or injection molding of materials with different colors are fixed and invariable, and the colors of the lenses appear too dark to influence the visual field according to the use conditions of different scenes of AR glasses, particularly under the conditions of weak indoor and outdoor light; under the irradiation of strong light, the color of the lens is too light to shield the strong light, the imaging picture of the AR glasses becomes virtual, the wearing visual effect is seriously influenced, and the 6DOF of the AR glasses and the interaction function of the infrared lamp are directly influenced. In addition, the liquid crystal photochromic glasses that research and develop among the prior art adopts glass liquid crystal lens usually, reaches the effect of discolouing through the drive of control module group, still has following drawback: 1. the glass liquid crystal lens is planar and does not accord with the aesthetic feeling, wearing comfort level and use scene of AR glasses; 2. the glass liquid crystal lens is thick and heavy, is easy to break and has potential safety hazard in use; 3. the power consumption is higher, and can't adjust photochromic and voltage, the standby time is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, provides flexible liquid crystal intelligent AR glasses which can sense light, automatically adjust light color, increase visual field definition and protect human eyes, are beneficial to reducing power consumption, improve standby time and use safety, are light and thin in size, attractive in appearance and comfortable to wear, avoid potential safety hazards caused by accidental damage, and are wide in application range.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides flexible liquid crystal intelligent color-changing AR glasses, which comprise a glass frame, glass legs and a nose support, and further comprise:

the main board is arranged in the mirror frame;

the camera is electrically connected with the main board, penetrates through the front wall of the mirror frame and is used for collecting images;

the lens mechanism is arranged on the frame and corresponds to eyes, and comprises a flexible liquid crystal screen, a waveguide lens and an FPC coil, wherein the flexible liquid crystal screen is positioned on the front side of the waveguide lens, a prism is arranged on the front side of the edge of the waveguide lens, which is far away from the nose support, and the FPC coil is arranged in a liquid crystal molecule layer of the flexible liquid crystal screen;

the color change processing module is arranged on the mirror frame and comprises a voltage regulating circuit, an MCU, an illumination sensor and a battery for supplying power, wherein the voltage regulating circuit, the MCU, the illumination sensor and the battery are sequentially and electrically connected;

the optical-mechanical mechanism is arranged on the mirror frame and is electrically connected with the main board, the prism of the waveguide lens is positioned in the optical-mechanical mechanism, and the light wave emitted by the optical-mechanical mechanism forms projection coupling into human eyes after passing through the waveguide lens.

Preferably, the lens mechanism is two, including right lens mechanism and left lens mechanism, and ray apparatus mechanism is two, including right ray apparatus mechanism and left ray apparatus mechanism, and right ray apparatus mechanism and right lens mechanism cooperation are located the right side of right lens mechanism, and left ray apparatus mechanism and left lens mechanism cooperation are located the left side of left lens mechanism.

Preferably, still be equipped with the first interface that charges on right ray apparatus mechanism or the left ray apparatus mechanism, the first interface that charges is connected with the mainboard electricity.

Preferably, the front wall of the spectacle frame is also provided with a light shield corresponding to human eyes, and the light shield is detachably connected with the spectacle frame.

Preferably, the antetheca of picture frame has seted up first recess, has seted up two symmetric distribution's second recess on the first recess, and the second recess embeds has magnetism to inhale, and the local card of lens hood is located in the first recess and is connected through magnetism with the picture frame.

Preferably, the first groove is further provided with a second through hole, the light shield is further provided with a third through hole, and the camera penetrates through the second through hole and the third through hole.

Preferably, the color-changing processing module further comprises an indicator light for displaying the electric quantity of the battery, and the indicator light is electrically connected with the MCU.

Preferably, the middle part downside of picture frame still is equipped with the bracket, and the front side of bracket is opened and is equipped with the third recess, places the third recess in the processing module that discolours and through the apron lock, is equipped with the light-sensitive panel who corresponds with illumination sensor and pilot lamp on the apron, and the nose holds in the palm and is fixed in the bracket below.

Preferably, the color-changing processing module further comprises a second charging interface, the rear wall of the bracket is further provided with a first through hole, and the second charging interface penetrates through the first through hole and is electrically connected with the battery.

Preferably, the color-changing processing module further comprises an energy storage capacitor, the energy storage capacitor is electrically connected with the illumination sensor and the battery respectively, and the illumination sensor converts light energy into electric energy and charges the battery through the energy storage capacitor.

Compared with the prior art, the utility model has the beneficial effects that:

1) the AR glasses adopt the flexible liquid crystal screen, can sense light and automatically adjust light color, increase visual field definition and protect human eyes, are beneficial to reducing power consumption, improving standby time and use safety, and are light and thin in size, attractive in appearance, comfortable to wear, not easy to damage and capable of reducing potential safety hazards;

2) adopt the lens hood, can shield indoor outer highlight, reduce the influence of highlight to the AR glasses virtual image to help reducing the consumption, the outward appearance is pleasing to the eye, convenient to detach, and application scope is wide.

Drawings

FIG. 1 is a schematic view of an AR eyeglass structure according to the present invention;

FIG. 2 is a schematic view of a first viewing angle structure of the AR glasses with the light-shielding cover removed according to the present invention;

FIG. 3 is a schematic diagram of a second view angle of the AR glasses with the light-shielding cover removed according to the present invention;

FIG. 4 is a schematic view of a frame structure of the present invention;

FIG. 5 is a schematic view of a lens mechanism according to the present invention;

FIG. 6 is a schematic diagram of the internal structure of the flexible liquid crystal panel according to the present invention;

fig. 7 is a circuit diagram of the AR glasses of the present invention.

Description of reference numerals: 1. a mirror frame; 2. a temple; 3. a right ray machine mechanism; 4. a light shield; 5. a left ray machine mechanism; 6. a right lens mechanism; 7. a left lens mechanism; 8. a camera; 9. magnetic attraction is carried out; 11. a cover plate; 12. a light-sensitive panel; 13. a nose pad; 14. a first through hole; 15. a first groove; 16. a second groove; 17. a second through hole; 18. blocking edges; 19. a bracket; 51. a power line; 61. a first liquid crystal panel; 62. a second liquid crystal panel; 63. a waveguide lens; 64. a color change processing module; 63a, a prism; 64b, FPC coil; 64c, an illumination sensor; 64d, an indicator light; 64e and a second charging interface.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, 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 is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

As shown in fig. 1-7, a flexible liquid crystal intelligent color-changing AR glasses includes a glasses frame 1, glasses legs 2 and a nose support 13, and further includes:

a main board which is arranged in the mirror frame 1;

the camera 8 is electrically connected with the main board, penetrates through the front wall of the mirror frame 1 and is used for collecting images;

the lens mechanism is arranged on the spectacle frame 1 and corresponds to human eyes, and comprises a flexible liquid crystal screen, a waveguide lens 63 and an FPC coil 64b, wherein the flexible liquid crystal screen is positioned on the front side of the waveguide lens 63, a prism 63a is arranged on the front side of the edge of the waveguide lens 63 far away from the nose support 13, and the FPC coil 64b is arranged in a liquid crystal molecular layer of the flexible liquid crystal screen;

the color changing processing module 64 is installed on the mirror frame 1 and comprises a voltage regulating circuit, an MCU, an illumination sensor 64c and a battery for supplying power, wherein the voltage regulating circuit is electrically connected with the FPC coil 64b in sequence;

the optical-mechanical mechanism is arranged on the frame 1 and electrically connected with the main board, the prism 63a of the waveguide lens 63 is positioned in the optical-mechanical mechanism, and the light waves emitted by the optical-mechanical mechanism form projection coupling to human eyes after passing through the waveguide lens 63.

Wherein, flexible LCD screen can be adjusted to arbitrary shape according to actual demand, and for the installation of being convenient for, flexible LCD screen includes interconnect's first liquid crystal display panel 61 and second liquid crystal display panel 62, and is the flexible screen, if first liquid crystal display panel 61 is located the front side of second liquid crystal display panel 62, the connected mode can be for the lock is connected or bond. The FPC coil 64b is disposed around the inner edges of the first liquid crystal panel 61 and the second liquid crystal panel 62, and the waveguide lens 63 is provided with a prism 63a, which is a triangular prism in this embodiment, for example, by bonding connection, so as to change incident light and obtain an excellent imaging effect, and the shape of the prism 63a can be adjusted according to actual requirements. The optical-mechanical mechanism is an optical-mechanical in the prior art, can be selected and matched according to actual requirements, and the MCU and the main board can be integrated into an integrated structure.

The working principle is as follows: the optical-mechanical mechanism is connected with the main board, a micro display of the optical-mechanical mechanism sends signal light of a virtual image, after the signal light is processed by an internal Polarizing Beam Splitter (PBS), the signal light is converted into polarized light, continues to irradiate forwards and enters the waveguide lens 63 for total reflection, finally, a picture is coupled into human eyes, the camera 8 is connected with the main board, an image collected by the camera 8 is projected and imaged through the optical-mechanical mechanism, the array waveguide imaging principle in the prior art can be adopted, or the free-form surface imaging principle or the diffraction imaging principle in the prior art can also be adopted. The battery is used to supply power to the voltage regulating circuit, the MCU and the illumination sensor 64 c. The illumination sensor 64c detects the illumination intensity (such as the light sensation time is 0.1-0.3s, and the specific time can be adjusted according to the requirements) and sends the detection value to the MCU, the MCU determines the sunlight intensity according to the detection value to control the voltage regulating circuit to regulate the voltage of the FPC coil 64b, and the flexible liquid crystal screen generates stable and reversible color change under the action of the electric field of the FPC coil 64b to change the brightness of the flexible liquid crystal screen. The adjusting mode can comprise an automatic photosensitive mode or a manual adjusting mode, and corresponds to multiple gear adjustment, for example, the brightness of the flexible liquid crystal screen is automatically adjusted according to the intensity change of sunlight in the automatic photosensitive mode, so that the brightness of the display picture of the AR glasses is adjusted, the power consumption and the heat of the product are reduced, and the endurance is longer; the manual mode of adjusting, accessible key operation transform colour to satisfy different crowd demands of different scenes, two kinds of modes can switch the operation.

Specifically, the voltage regulating circuit is correspondingly connected to the FPC coil 64b for voltage regulation of the FPC coil 64b, the voltage regulating circuit may further be correspondingly provided with a frequency divider and a signal amplification output circuit, and the frequency divider, the signal amplification output circuit and the FPC coil 64b are sequentially connected to output after voltage amplification, thereby facilitating regulation. When the light is stronger, the voltage of the FPC coil 64b is higher, and at the moment, the voltage wave crest output by the pin correspondingly connected with the FPC coil 64b is higher, and the color of the flexible liquid crystal screen is darker; when the light is weaker, the voltage of the FPC coil 64b is lower, and the voltage wave peak output by the pin correspondingly connected with the FPC coil 64b is lower at the moment, so that the color of the flexible liquid crystal screen is lighter.

The AR glasses adopt the flexible liquid crystal screen for color mixing, can sense light and automatically adjust light colors, increase visual field definition and protect human eyes, and is beneficial to reducing power consumption, improving standby time and use safety, light and thin in size, attractive in appearance, comfortable to wear, capable of avoiding potential safety hazards caused by accidental damage, and wide in application range.

In one embodiment, there are two lens mechanisms, including a right lens mechanism 6 and a left lens mechanism 7, and two opto-mechanical mechanisms, including a right opto-mechanical mechanism 3 and a left opto-mechanical mechanism 5, where the right opto-mechanical mechanism 3 is matched with the right lens mechanism 6 and located on the right side of the right lens mechanism 6, and the left opto-mechanical mechanism 5 is matched with the left lens mechanism 7 and located on the left side of the left lens mechanism 7. It should be noted that, in order to meet the use of special people, the lens mechanism and the optical-mechanical mechanism can also be a group.

In an embodiment, in order to satisfy the charging requirement, a first charging interface is further provided on the right optical mechanism 3 or the left optical mechanism 5, and the first charging interface is electrically connected with the motherboard. In this embodiment, the first charging interface is preferably disposed on the left optical device mechanism 5, the power line 51 is connected to the first charging interface in a pluggable manner, for example, the power line 51 is connected to the left optical device mechanism 5 through a USB interface, and when the left optical device mechanism is located outdoors, the power supply may also be preferably a mobile power supply.

In an embodiment, for reducing the influence of highlight to the AR glasses virtual image to reduce the consumption, prolong duration, lens hood 4 that corresponds with the people's eye is still installed to the antetheca of picture frame 1, and lens hood 4 can be dismantled with picture frame 1 and be connected. Indoor outer highlight can be shielded through addding lens hood 4, and the outward appearance is pleasing to the eye, and convenient to detach reduces weight, improves the comfort level.

In an embodiment, a first groove 15 is formed on the front wall of the frame 1, two symmetrically distributed second grooves 16 are formed on the first groove 15, a magnet 9 is arranged in each second groove 16, and the lens hood 4 is partially clamped in the first groove 15 and connected with the frame 1 through the magnet 9. When using under the highlight environment, lens hood 4 is through magnetism equipment on the AR glasses of inhaling, shelters from the highlight and shines, reduces the consumption, when not needing lens hood 4, can realize dismantling fast. It should be noted that the number of the magnetic attraction pieces 9 and the corresponding second grooves 16 can be any number.

In an embodiment, the first groove 15 is further provided with a second through hole 17, the light shield 4 is further provided with a third through hole, and the camera 8 penetrates through the second through hole 17 and the third through hole. For the shooting of realizing camera 8, second through-hole 17 and third through-hole are worn to establish by camera 8, and preferred camera 8 sets up between two parties, still can confirm the quantity of camera 8 according to actual demand.

In one embodiment, the color changing processing module 64 further includes an indicator lamp 64d for displaying the battery power, and the indicator lamp 64d is electrically connected to the MCU. For example, when the indicator light 64d is displayed in red to indicate that the battery level is less than 10%, yellow to indicate that the battery level is less than 20%, and green to indicate that the battery level is more than 20%.

In an embodiment, a bracket 19 is further disposed at a lower side of a middle portion of the mirror frame 1, a third groove is disposed at a front side of the bracket 19, the color-changing processing module 64 is disposed in the third groove and fastened by a cover plate 11, the cover plate 11 is provided with a light-sensing panel 12 corresponding to the illumination sensor 64c and the indicator lamp 64d, and the nose support 13 is fixed below the bracket 19. The sense of beauty and the space utilization rate can be improved, the light sensing panel 12 is a glass panel, which is convenient for the illumination sensor 64c to accurately detect and display the indicator light 64d, and the whole or part of the electric devices of the color-changing processing module 64 can be arranged at any position in the mirror frame 1. Further, in order to facilitate assembly and ensure stability of the lens mechanism, the frame 1 is further provided with a flange 18 for fixing the lens mechanism. As in this embodiment, an L-shaped rib 18 is provided along the side of the holder 19 close to the corresponding waveguide lens 63 and the lower side of the frame 1, and the rear side of the waveguide lens 63 is restrained against the rib 18.

In an embodiment, the color-changing processing module 64 further includes a second charging interface 64e, the rear wall of the bracket 19 further has a first through hole 14, and the second charging interface 64e penetrates through the first through hole 14 and is electrically connected to the battery. The second interface 64e that charges is used for supplying power to the battery, preferably magnetism is inhaled and is charged the interface, and is pleasing to the eye practical, dustproof dampproofing, and still can replace the cable with the adaptation different grade type of structure among the prior art according to actual demand.

In one embodiment, the color-changing processing module 64 further includes an energy storage capacitor, the energy storage capacitor is electrically connected to the illumination sensor 64c and the battery, and the illumination sensor 64c converts light energy into electric energy and charges the battery through the energy storage capacitor. The color-changing processing module 64 is low in power consumption, independent power supply is achieved through a battery, the illumination sensor 64c, the energy storage capacitor and the battery are sequentially connected, and the solar charging device can be used for endurance under the illumination condition, and is energy-saving and environment-friendly.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express the more specific and detailed embodiments described in the present application, but not should be interpreted as limiting the scope of the claims of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a flexible liquid crystal intelligence AR glasses that discolour, includes picture frame (1), mirror leg (2) and nose support (13), its characterized in that: the flexible liquid crystal intelligent color-changing AR glasses further comprise:

a main plate built in the mirror frame (1);

the camera (8) is electrically connected with the main board, penetrates through the front wall of the mirror frame (1) and is used for collecting images;

the lens mechanism is arranged on the spectacle frame (1), corresponds to human eyes, and comprises a flexible liquid crystal screen, a waveguide lens (63) and an FPC coil (64b), wherein the flexible liquid crystal screen is positioned on the front side of the waveguide lens (63), a prism (63a) is arranged on the front side of the edge of the waveguide lens (63) far away from the nose support (13), and the FPC coil (64b) is arranged in a liquid crystal molecular layer of the flexible liquid crystal screen;

the color changing processing module (64) is arranged on the mirror frame (1) and comprises a voltage regulating circuit, an MCU, an illumination sensor (64c) and a battery for supplying power, wherein the voltage regulating circuit is sequentially and electrically connected with the FPC coil (64b), the MCU receives the illumination intensity detected by the illumination sensor (64c) and controls the voltage regulating circuit to regulate the voltage of the FPC coil (64b) according to the illumination intensity so as to realize color changing of the flexible liquid crystal screen;

the optical machine mechanism is arranged on the mirror frame (1) and is electrically connected with the main board, the prism (63a) of the waveguide lens (63) is positioned in the optical machine mechanism, and light waves emitted by the optical machine mechanism form projection coupling to human eyes after passing through the waveguide lens (63).

2. The flexible liquid crystal smart color-changing AR glasses according to claim 1, wherein: the lens mechanism is two, including right lens mechanism (6) and left lens mechanism (7), the ray machine mechanism is two, including right ray machine mechanism (3) and left ray machine mechanism (5), right ray machine mechanism (3) and right lens mechanism (6) cooperation and lie in the right side of right lens mechanism (6), left side ray machine mechanism (5) and left lens mechanism (7) cooperation and lie in the left side of left side lens mechanism (7).

3. The flexible liquid crystal smart color-changing AR glasses according to claim 2, wherein: still be equipped with the first interface that charges on right ray apparatus mechanism (3) or left ray apparatus mechanism (5), the first interface that charges is connected with the mainboard electricity.

4. The flexible liquid crystal smart color-changing AR glasses according to claim 1, wherein: the front wall of the picture frame (1) is also provided with a light shield (4) corresponding to human eyes, and the light shield (4) is detachably connected with the picture frame (1).

5. The flexible liquid crystal smart color-changing AR glasses according to claim 4, wherein: first recess (15) have been seted up to the antetheca of picture frame (1), set up two symmetric distribution's second recess (16) on first recess (15), second recess (16) embeds there is magnetism to inhale (9), lens hood (4) local card is located in first recess (15) and with picture frame (1) pass through magnetism is inhaled (9) and is connected.

6. The flexible liquid crystal smart color-changing AR glasses according to claim 5, wherein: a second through hole (17) is further formed in the first groove (15), a third through hole is further formed in the light shield (4), and the camera (8) penetrates through the second through hole (17) and the third through hole.

7. The flexible liquid crystal smart color-changing AR glasses according to claim 1, wherein: the color-changing processing module (64) further comprises an indicator lamp (64d) used for displaying the battery power, and the indicator lamp (64d) is electrically connected with the MCU.

8. The flexible liquid crystal smart color-changing AR glasses according to claim 7, wherein: the middle part downside of picture frame (1) still is equipped with bracket (19), the front side of bracket (19) is opened and is equipped with the third recess, place in processing module that discolours (64) in the third recess is through apron (11) lock, be equipped with on apron (11) with photosensitive surface board (12) that light sensor (64c) and pilot lamp (64d) correspond, nose holds in the palm (13) and is fixed in bracket (19) below.

9. The flexible liquid crystal smart color-changing AR glasses according to claim 8, wherein: the color-changing processing module (64) further comprises a second charging interface (64e), a first through hole (14) is further formed in the rear wall of the bracket (19), and the second charging interface (64e) penetrates through the first through hole (14) and is electrically connected with the battery.

10. The flexible liquid crystal smart color-changing AR glasses according to claim 1, wherein: the color-changing processing module (64) further comprises an energy storage capacitor, the energy storage capacitor is respectively electrically connected with the illumination sensor (64c) and the battery, and the illumination sensor (64c) converts light energy into electric energy and charges the battery through the energy storage capacitor.