WO2021232677A1 - Binocular optical display system having multiplexed light source and folding light path, and wearable device - Google Patents

Abstract

A binocular optical display system having a multiplexed light source and a folding light path, and a wearable device. The binocular optical display system having the multiplexed light source and the folding light path comprises a display (60), a light splitting module (50), a first optical module (10), a second optical module (20), a third optical module (30) and a fourth optical module (40). The light splitting module (50) is disposed on an outgoing light path of the display (60). The light splitting module (50) processes incident light from the display (60) to obtain first emergent light (55) and second emergent light (56). The first optical module (10) is disposed on the light path of the first emergent light (55). The second optical module (20) is disposed on the outgoing light path of the first optical module (10). The third optical module (30) is disposed on the light path of the second emergent light (56). The fourth optical module (40) is disposed on the outgoing light path of the third optical module (30). The binocular optical display system having a multiplexed light source and a folding light path that is small in size, has good imaging quality, has no display light leakage and has good sealability is thus formed. The wearable device having the binocular optical display system having a multiplexed light source and a folding light path is easy to wear, has good universality, can serve myopic users, and significantly improves the user's wearing experience.

Description

Binocular optical display system and wearable device with multiplexed light source folding light path Technical field

The invention belongs to the AR technical field, and specifically relates to a binocular optical display system and a wearable device that multiplex a light source folding light path.

Background technique

Augmented Reality (AR, Augmented Reality) is a technology that projects an image in front of the human eye through a transmission device and superimposes the real scene with the virtual scene. In this way, it can give people a new visual experience, and enhance or create new application areas. The transmissive optical display system is one of the core technologies in the field of augmented reality. At present, wearable devices using enhanced display technology have been widely used in gaming, retail, education, industry, medical and other fields.

At present, transmissive optical display technology can be divided into geometrical optics solutions: Birdbath, ordinary reflective prisms, free-form surface prisms and other solutions, and diffractive optics-based array optical waveguides, diffractive optical waveguides and other solutions. Among them, the geometrical optics solution is the main idea. Compared with the diffraction solution, it has the characteristics of mature technology, convenient device processing, and small assembly tolerance requirements. It is currently favored by many manufacturers such as Google, Lenovo, and Microsoft. However, this type of solution is favored Limited to the requirements of the light source device and the overall size, weight/price of the AR system, there are common problems in the size, price, field of view, performance, and observation distance. The display content is easy to leak and the confidentiality is poor; for myopic users, it is also Need to add additional myopia lenses to cooperate with the optical system for common use. These shortcomings all reduce the experience of using augmented reality wearable devices.

Summary of the invention

The purpose of the embodiments of the present invention is to provide a binocular optical display system that multiplexes the light source folding light path, which has low cost, small size, light weight, good imaging quality, no display light leakage, and good confidentiality.

Another object of the embodiments of the present invention is to provide a wearable device, which has low cost, small size, light weight, good imaging quality, and is convenient to wear.

The embodiment of the present invention is realized as follows:

The embodiment of the present invention provides a binocular optical display system that multiplexes the light source folding optical path, including a display, a light splitting module, a first optical module, a second optical module, a third optical module, and a fourth optical module. Group;

The light splitting module is arranged on the light exiting light path of the display, and the light splitting module processes the light incident from the display to obtain the first exit light and the second exit light;

The first optical module is disposed on the light path of the first light exiting, and the second optical module is disposed on the light path of the first optical module;

The third optical module is arranged on the light path of the second outgoing light, and the fourth optical module is arranged on the light path of the third optical module.

In an optional embodiment, the light splitting module includes a first optical lens, a first reflecting mirror, and a second reflecting mirror. The light of the display is transmitted from the first optical lens to form first transmitted light, and the first reflector is arranged on the optical path of the first transmitted light and reflects the first transmitted light to form the first transmitted light. Light, part of the light of the display is reflected from the first optical lens to form first reflected light, and the second reflector is arranged on the optical path of the first reflected light and reflects the first reflected light to form the first reflected light. The second outgoing light.

In an optional embodiment, the first optical lens includes a first optical substrate, a first polarized reflection film, a first compensation mirror, and a first antireflection optical film, and the first polarized reflection film is disposed at The side of the first optical substrate away from the display, the first compensation mirror is disposed on the side of the first polarizing reflection film away from the first optical substrate, and the first compensation mirror The side far away from the first polarizing reflection film and the side of the first optical substrate far away from the first polarizing reflection film are both provided with the first antireflection optical film.

In an optional embodiment, the light splitting module includes a first optical lens and a second reflecting mirror, the first optical lens is arranged on the light emitting path of the display, and part of the light from the display is transmitted from the display. The first optical lens reflects to form the first emitted light, part of the light of the display is transmitted from the first optical lens to form the first transmitted light, and the second reflector is arranged on the first transmitted light. On the optical path, the light reflected by the second mirror enters the first optical lens and is reflected again to form the second emergent light.

In an optional embodiment, the first optical lens includes a first optical substrate, a first polarized reflection film, a first phase retardation film, and a first antireflection optical film, and the first polarized reflection film is provided with On the side of the first optical substrate close to the display, the first phase retardation film is disposed on the side of the first optical substrate away from the first polarizing reflection film, and the first Both the side of the phase retardation film away from the first optical substrate and the side of the first polarizing reflection film away from the first optical substrate are provided with the first antireflection optical film.

In an optional embodiment, a first transmission mirror is provided on the optical path between the display and the first optical lens.

In an optional embodiment, the first optical module includes a second optical lens, an eighth optical lens, and a third reflector, and the eighth optical lens is disposed on the optical path of the first emitted light. , The second optical lens is arranged on the optical path of the transmitted light of the eighth optical lens, the third reflector is arranged on the optical path of the reflected light of the second optical lens, and the third reflector reflects The light enters the second optical lens and is transmitted out to form a third emergent light, and the second optical module is arranged on the optical path of the third emergent light.

In an optional embodiment, the second optical lens includes a second optical substrate, a second polarizing reflection film, a second phase retardation film a, a second phase retardation film b, and a second antireflection optical film;

The second polarizing reflection film is disposed on the side of the second optical substrate away from the light splitting module, and the second phase retardation film a is disposed on the second polarizing reflection film away from the second On one side of the optical substrate, the second phase retardation film b is disposed on the side of the second optical substrate away from the second polarizing reflection film, and the second phase retardation film b is away from the first polarizing reflection film. The second antireflection optical film is provided on one side of the two optical substrates and the side of the second phase retardation film a away from the second polarizing reflection film;

Alternatively, the second phase retardation film a is disposed on the side of the second optical substrate close to the beam splitting module, and the second polarizing reflection film is disposed on the side far from the second phase retardation film a. On one side of the second optical substrate, the second phase retardation film b is disposed on the side of the second polarizing reflection film away from the second optical substrate, and the second optical substrate is away from the second optical substrate. Both one side of the second phase retardation film a and the side of the second phase retardation film b away from the second phase retardation film a are provided with the second antireflection optical film;

Alternatively, the second polarizing reflection film is disposed on the side of the second optical substrate close to the beam splitting module, and the second phase retardation film b is disposed on the second polarizing reflection film far away from the On one side of the second optical substrate, the second phase retardation film a is disposed on the side of the second optical substrate away from the second polarizing reflection film, and the second phase retardation film b is away from the second polarizing reflection film. Both one side of the second optical substrate and the side of the second phase retardation film a away from the second optical substrate are provided with the second antireflection optical film;

Alternatively, the second phase retardation film b, the second polarizing reflection film, and the second phase retardation film a are sequentially disposed on a side of the second optical substrate away from the beam splitting module, and The second phase retardation film a has a side away from the second optical substrate and a side of the second optical substrate away from the second phase retardation film b, both of which are provided with the second antireflection optical film .

In an optional embodiment, the eighth optical lens includes an eighth optical substrate, an eighth phase retardation film, and an eighth antireflection optical film, and the eighth phase retardation film is disposed on the eighth optical lens. The side of the substrate, the side of the eighth optical substrate away from the eighth phase retardation film and the side of the eighth phase retardation film away from the eighth optical substrate are both provided with the Eighth antireflection optical film.

In an optional embodiment, the first optical module includes a second optical lens and a third reflector, the second optical lens is disposed on the optical path of the first outgoing light, and the third The reflecting mirror is arranged on the optical path of the transmitted light of the second optical lens, the light reflected by the third reflecting mirror enters the second optical lens and is reflected again to form a third outgoing light. A second transmission mirror is arranged on the optical path between the two optical lenses, and the second optical module is arranged on the optical path of the third outgoing light.

In an optional embodiment, the second optical lens includes a second optical substrate, a second polarizing reflection film, a second phase retardation film a, and a second antireflection optical film;

The second polarizing reflection film is disposed on the side of the second optical substrate away from the light splitting module, and the second phase retardation film a is disposed on the second polarizing reflection film away from the second The side of the optical substrate, the side of the second optical substrate away from the second polarizing reflection film and the side of the second phase retardation film a away from the second polarizing reflection film are both provided with The second antireflection optical film;

Alternatively, the second phase retardation film a is disposed on the side of the second optical substrate close to the beam splitting module, and the second polarizing reflection film is disposed on the side far from the second phase retardation film a. One side of the second optical substrate, one side of the second optical substrate away from the second phase retardation film a, and one side of the second phase retardation film a away from the second optical substrate The second anti-reflection optical film is provided on both sides;

Alternatively, the second polarizing reflection film is disposed on the side of the second optical substrate close to the beam splitting module, and the second phase retardation film a is disposed on the second optical substrate away from the The side of the second polarizing reflection film, the side of the second polarizing reflection film away from the second optical substrate and the side of the second phase retardation film a away from the second optical substrate are both The second antireflection optical film is provided.

Optionally, a third transmission mirror is provided on the optical path between the second optical lens and the third reflector, and/or the light between the second optical lens and the second optical module There is a fourth transmission mirror on the road.

In an optional embodiment, the second optical module includes a third optical lens and a fourth optical lens, and the third optical lens is arranged on the light path of the first optical module. The fourth optical lens is arranged on the light path of the reflected light of the third optical lens;

The third optical lens includes a third optical substrate, a third absorbing linear polarization film, a third polarization reflection film, a third phase retardation film, and a third antireflection optical film;

The third absorption type linear polarizing film is disposed on the side of the third optical substrate close to the first optical module, and the third polarizing reflection film is disposed on the side of the third absorption type linear polarizing film. The side far from the third optical substrate, the third phase retardation film is disposed on the side of the third polarizing reflection film far away from the third optical substrate, and the third phase retardation film is far away The third antireflection optical film is provided on one side of the third polarizing reflection film and the side of the third optical substrate away from the third absorption linear polarizing film;

Alternatively, the third absorbing linear polarizing film is disposed on the side of the third optical substrate away from the first optical module, and the third polarizing reflection film is disposed on the third optical substrate. A side away from the third absorbing linear polarizing film, the third phase retardation film is disposed on a side of the third polarizing reflection film away from the third optical substrate, the third phase retardation film The side far away from the third optical substrate and the side of the third absorbing linear polarizing film far away from the third optical substrate are both provided with the third antireflection optical film;

Alternatively, the third polarizing reflection film is disposed on the side of the third optical substrate away from the first optical module, and the third absorption linear polarizing film is disposed on the side of the third polarizing reflection film. The side far from the third optical substrate, the third phase retardation film is arranged on the side of the third optical substrate far away from the third polarizing reflection film, and the third phase retardation film is far away Both one side of the third optical substrate and the side of the third absorbing linear polarizing film away from the third optical substrate are provided with the third antireflection optical film;

Alternatively, the third phase retardation film is disposed on the side of the third optical substrate far away from the first optical module, and the third polarizing reflection film is disposed on the side far from the third phase retardation film. On one side of the third optical substrate, the third absorbing linear polarizing film is disposed on the side of the third polarizing reflection film away from the third optical substrate, and the third optical substrate is away from The third antireflection optical film is provided on one side of the third phase retardation film and the side of the third absorption linear polarizing film away from the third optical substrate.

In an optional embodiment, the fourth optical lens includes a fourth optical substrate, and a fourth compensation lens and a fourth compensation lens that are sequentially disposed on the fourth optical substrate on a side away from the third optical lens. A four-phase retardation film, a fourth linearly polarized reflection film and a fourth antireflection optical film, the fourth optical substrate is close to the third optical lens side or the fourth optical substrate and the fourth compensation A fourth partially transmissive and partially reflective film is also provided between the mirrors.

In an optional embodiment, the third optical module includes a fifth optical lens, a ninth optical lens, and a fourth reflector, and the ninth optical lens is disposed on the optical path of the second emitted light. , The fifth optical lens is arranged on the optical path of the transmitted light of the ninth optical lens, the fourth reflector is arranged on the optical path of the reflected light of the fifth optical lens, and the fourth reflector reflects The light enters the fifth optical lens and is transmitted out to form a fourth emergent light, and the fourth optical module is arranged on the optical path of the fourth emergent light;

The fifth optical lens includes a fifth optical substrate, a fifth polarizing reflection film, a fifth phase retardation film a, a fifth phase retardation film b, and a fifth antireflection optical film;

The fifth polarizing reflection film and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the beam splitting module, and the fifth phase retardation film b is disposed on the first The side of the five optical substrate close to the light splitting module, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from the fifth polarizer The fifth antireflection optical film is provided on one side of the reflective film;

Alternatively, the fifth phase retardation film b, the fifth polarizing reflection film, and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the spectroscopic module, and The fifth optical substrate is provided with the fifth antireflection optical film on the side far away from the fifth phase retardation film b and the side far away from the fifth phase retardation film of the fifth phase retardation film a ；

Alternatively, the fifth polarizing reflection film and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth phase retardation film a is disposed on the side of the fifth optical substrate. The side of the fifth optical substrate away from the fifth polarizing reflection film, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from all The fifth antireflection optical film is provided on one side of the fifth polarizing reflection film;

Alternatively, the fifth phase retardation film a, the fifth polarizing reflection film, and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth Both the side of the optical substrate away from the fifth phase retardation film a and the side of the fifth phase retardation film b away from the fifth optical substrate are provided with the fifth antireflection optical film.

In an optional embodiment, the ninth optical lens includes a ninth optical substrate, a ninth phase retardation film, and a ninth antireflection optical film, and the ninth phase retardation film is disposed on the ninth optical lens. The side of the substrate, the side of the ninth optical substrate away from the ninth phase retardation film and the side of the ninth phase retardation film away from the ninth optical substrate are both provided with the The ninth anti-reflection optical film.

In an optional embodiment, the third optical module includes a fifth optical lens and a fourth reflecting mirror, the fifth optical lens is disposed on the optical path of the second outgoing light, and the fourth The reflecting mirror is arranged on the optical path of the transmitted light of the fifth optical lens, the light reflected by the fourth reflecting mirror enters the fifth optical lens and is reflected again to form fourth outgoing light. A fifth transmission mirror is arranged on the optical path between the five optical lenses, and the fourth optical module is arranged on the optical path of the fourth outgoing light;

The fifth optical lens includes a fifth optical substrate, a fifth polarizing reflection film, a fifth phase retardation film a, and a fifth antireflection optical film;

The fifth polarizing reflection film is disposed on a side of the fifth optical substrate away from the light splitting module, and the fifth phase retardation film a is disposed on the fifth polarizing reflection film away from the fifth The side of the optical substrate, the side of the fifth optical substrate away from the fifth polarizing reflection film and the side of the fifth phase retardation film a away from the fifth polarizing reflection film are both provided with The fifth antireflection optical film;

Alternatively, the fifth phase retardation film a is disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth polarizing reflection film is disposed far from the fifth phase retardation film a. One side of the fifth optical substrate, one side of the fifth optical substrate away from the fifth phase retardation film a, and one side of the fifth polarizing reflection film away from the fifth phase retardation film a The fifth anti-reflection optical film is provided on both sides;

Alternatively, the fifth polarizing reflection film is disposed on the side of the fifth optical substrate close to the beam splitting module, and the fifth phase retardation film a is disposed on the fifth optical substrate away from the The side of the fifth polarizing reflection film, the side of the fifth polarizing reflection film away from the fifth optical substrate and the side of the fifth phase retardation film a away from the fifth optical substrate are both The fifth anti-reflection optical film is provided.

In an optional embodiment, the third optical module includes a fifth optical lens and a fourth reflecting mirror; the fifth optical lens is disposed on the optical path of the second outgoing light, and the fourth The reflecting mirror is arranged on the light path of the reflected light of the fifth optical lens, and the light reflected by the fourth reflecting mirror enters the fifth optical lens and then is transmitted out to form fourth outgoing light; or, the fifth optical lens is arranged On the optical path of the second outgoing light, the fourth reflector is arranged on the transmitted light optical path of the fifth optical lens, and the light reflected by the fourth reflector enters the fifth optical lens and is reflected again Forming the fourth outgoing light; the fourth optical module is arranged on the optical path of the fourth outgoing light; the optical path between the beam splitting module and the fifth optical lens is provided with a fifth transmission mirror;

The fifth optical lens includes a fifth optical substrate, a fifth polarizing reflection film, a fifth phase retardation film a, a fifth phase retardation film b, and a fifth antireflection optical film;

The fifth polarizing reflection film and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the beam splitting module, and the fifth phase retardation film b is disposed on the first The side of the five optical substrate close to the light splitting module, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from the fifth polarizer The fifth antireflection optical film is provided on one side of the reflective film;

Alternatively, the fifth phase retardation film b, the fifth polarizing reflection film, and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the spectroscopic module, and The fifth optical substrate is provided with the fifth antireflection optical film on the side far away from the fifth phase retardation film b and the side far away from the fifth phase retardation film of the fifth phase retardation film a ；

Alternatively, the fifth polarizing reflection film and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth phase retardation film a is disposed on the side of the fifth optical substrate. The side of the fifth optical substrate away from the fifth polarizing reflection film, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from all The fifth antireflection optical film is provided on one side of the fifth polarizing reflection film;

Alternatively, the fifth phase retardation film a, the fifth polarizing reflection film, and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth Both the side of the optical substrate away from the fifth phase retardation film a and the side of the fifth phase retardation film b away from the fifth optical substrate are provided with the fifth antireflection optical film.

In an optional embodiment, a sixth transmission mirror is provided on the optical path between the fifth optical lens and the fourth reflector, and/or the fifth optical lens and the fourth optical lens are A seventh transmission mirror is provided on the optical path between the modules.

In an optional embodiment, the fourth optical module includes a sixth optical lens and a seventh optical lens, the sixth optical lens is disposed on the optical path of the fourth outgoing light, and the seventh optical lens The optical lens is arranged on the reflected light optical path of the sixth optical lens.

In an optional embodiment, the sixth optical lens includes a sixth optical substrate, a sixth absorbing linear polarizing film, a sixth polarizing reflection film, a sixth phase retardation film, and a sixth antireflection optical film;

The sixth absorbing linear polarizing film, the sixth polarizing reflective film, and the sixth phase retardation film are sequentially disposed on the side of the sixth optical substrate close to the third optical module, and Both the side of the sixth optical substrate away from the third optical module and the side of the sixth phase retardation film away from the sixth polarizing reflection film are provided with the sixth antireflection optical film;

Alternatively, the sixth absorbing linear polarizing film is arranged on the side of the sixth optical substrate away from the third optical module, and the sixth polarizing reflection film and the sixth phase retardation film are arranged in sequence On the side of the sixth optical substrate away from the sixth absorbing linear polarizing film, the side of the sixth absorbing linear polarizing film away from the sixth optical substrate and the sixth phase The sixth antireflection optical film is provided on the side of the retardation film away from the sixth polarizing reflection film;

Alternatively, the sixth polarizing reflection film and the sixth absorbing linear polarizing film are sequentially disposed on the side of the sixth optical substrate away from the third optical module, and the sixth phase retardation film is disposed On the side of the sixth optical substrate away from the sixth polarizing reflection film, the side of the sixth absorbing linear polarizing film away from the sixth optical substrate and the sixth phase retardation film The side far away from the sixth polarizing reflection film is provided with the sixth antireflection optical film;

Alternatively, the sixth phase retardation film, the sixth polarizing reflection film and the sixth absorbing linear polarizing film are sequentially arranged on the side of the sixth optical substrate away from the third optical module, Both the side of the sixth optical substrate away from the sixth phase retardation film and the side of the sixth absorbing linear polarizing film away from the sixth optical substrate are provided with the sixth antireflection film Optical film.

In an optional embodiment, the seventh optical lens includes a seventh optical substrate, and a seventh compensation lens and a seventh compensation lens that are sequentially disposed on the seventh optical substrate on a side away from the sixth optical lens. Seven phase retardation film, seventh linear polarization reflection film and seventh antireflection optical film, the seventh optical substrate is close to the side of the sixth optical lens or the seventh optical substrate and the seventh compensation A seventh partly transmissive and partly reflective film is also provided between the mirrors.

The embodiment of the present invention also provides a wearable device, including a wearable component and the binocular optical display system with the above-mentioned multiplexed light source folding optical path, and the binocular optical display system with the multiplexed light source folding optical path is installed in the Mentioned on the wearing part.

The beneficial effects of the present invention are:

The binocular optical display system with multiplexed light source folding light path provided by the embodiment of the present invention has small size, light weight, large field of view, can eliminate stray light generated by the external environment, good imaging quality, small aberration, and no display Light leakage and good confidentiality.

The wearable device provided by the embodiments of the present invention is small in size, light in weight, large in field of view, good in imaging quality, small in aberrations, convenient to wear, and good in versatility. It can adapt to myopic users by adjusting the focus without wearing myopia. The glasses can see the virtual world clearly, which greatly improves the user's wearing experience.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the drawings that need to be used in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative work.

1 is a schematic diagram of the optical architecture of a binocular optical display system with multiplexed light source folding optical paths according to Embodiment 1 of the present invention;

2 is a schematic diagram of the structure of the first optical lens of the first embodiment;

3 is a schematic diagram of the structure of the second optical lens of the first embodiment;

4 is a schematic diagram of the structure of the eighth optical lens of the first embodiment;

5 is a schematic diagram of the structure of the third optical lens of the first embodiment;

6 is a schematic diagram of the structure of the fourth optical lens of the first embodiment;

FIG. 7 is a schematic diagram of the structure of the fifth optical lens of the first embodiment;

8 is a schematic diagram of the structure of the ninth optical lens of the first embodiment;

9 is a schematic diagram of the structure of the sixth optical lens in the first embodiment;

10 is a schematic diagram of the structure of the seventh optical lens of the first embodiment;

11 is a schematic diagram of the optical architecture of a binocular optical display system with multiplexed light source folding optical paths according to the second embodiment of the present invention;

12 is a schematic diagram of the structure of the second optical lens of the second embodiment;

13 is a schematic diagram of the structure of the fifth optical lens of the second embodiment;

14 is a schematic diagram of the optical architecture of the binocular optical display system with multiplexed light source folding light path according to the third embodiment of the present invention;

15 is a schematic diagram of the structure of the first optical lens of the third embodiment;

16 is a schematic diagram of the optical architecture of a binocular optical display system with multiplexed light source folding optical paths according to the fourth embodiment of the present invention;

FIG. 17 is a schematic diagram of the structure of the fifth optical lens of the fourth embodiment.

In the figure: 10-first optical module; 10a-first optical module; 11-second optical lens; 111-second optical substrate; 112-second polarizing reflection film; 113-second phase retardation film a 114-Second antireflection optical film; 115-Second phase retardation film b; 12-Third mirror; 13-Third outgoing light; 14-Eighth optical lens; 141-Eighth optical substrate; 142- The eighth phase retardation film; 143-the eighth antireflection optical film; 15-the third transmission mirror; 16-the fourth transmission mirror; 17-the second transmission mirror; 18-the second optical lens; 181-the second optical substrate 182-Second Polarization Reflective Film; 183-Second Phase Retardation Film a; 184-Second Antireflection Optical Film; 20-Second Optical Module; 21-Third Optical Lens; 211-Third Optical Substrate; 212-third absorption linear polarization film; 213-third polarization reflection film; 214-third phase retardation film; 215-third antireflection optical film; 22-fourth optical lens; 221-fourth optical substrate; 222-fourth compensation mirror; 223-fourth phase retardation film; 224-fourth linear polarization reflection film; 225-fourth antireflection optical film; 226-fourth partial transmission and partial reflection film; 30-third optical module ; 30a-the third optical module; 30b-the third optical module; 30c-the third optical module; 31-the fifth optical lens; 311-the fifth optical substrate; 312-the fifth polarized reflection film; 313- Fifth phase retardation film a; 314-Fifth antireflection optical film; 315-Fifth phase retardation film b; 32-Fourth mirror; 33-Fourth exit light; 34-Fifth transmission mirror; 35-Sixth Transmission mirror; 36-seventh transmission mirror; 37-fifth optical lens; 37a-fifth optical lens; 371-fifth optical substrate; 372-fifth polarizing reflection film; 373-fifth phase retardation film a; 374 -The fifth anti-reflection optical film; 375- The fifth phase retardation film b; 38- The ninth optical lens; 381- The ninth optical substrate; 382- The ninth phase retardation film; 383- The ninth anti-reflection optical film; 40 -The fourth optical module; 41- The sixth optical lens; 411- The sixth optical substrate; 412- The sixth absorption linear polarizing film; 413- The sixth polarizing reflection film; 414- The sixth phase retardation film; 415- The sixth antireflection optical film; 42-the seventh optical lens; 421-the seventh optical substrate; 422-the seventh compensation mirror; 423-the seventh phase retardation film; 424-the seventh linear polarized reflection film; 425-the seventh Anti-reflection optical film; 426-seventh part transmission and partial reflection film; 50-splitter module; 50a-splitter module; 51-first optical lens; 51a-first optical lens; 511-first optical substrate; 512 -First polarized reflection film; 513-first compensation mirror; 514-first antireflection optical film; 515-first phase retardation film; 52-first mirror; 53-second mirror; 54-first transmission Mirror; 55-first outgoing light; 56-second outgoing light; 60-Display.

Detailed ways

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the present invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features of the embodiments can be combined with each other if there is no conflict.

In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

Example 1

As shown in FIG. 1, the first embodiment of the present invention provides a binocular optical display system that multiplexes light sources and folds the optical path, including a display 60, a light splitting module 50, a first optical module 10, a second optical module 20, The third optical module 30 and the fourth optical module 40.

The display 60 mainly functions to emit light. The display 60 can display 2D or 3D images or videos. The display 60 can be an OLED display, an LCD display, an LCOS display, a micro-LED display, a micro-OLED display, or a mini-LED display, etc. , You can choose according to your needs. In this embodiment, the display 60 adopts an OLED display.

The beam splitting module 50 includes a first optical lens 51, a first reflecting mirror 52 and a second reflecting mirror 53.

The first optical lens 51 is arranged on the light output path of the display 60, part of the light of the display 60 is transmitted from the first optical lens 51 to form the first transmitted light, and the first reflecting mirror 52 is arranged on the optical path of the first transmitted light and divides the first transmitted light. A transmitted light is reflected to form the first outgoing light 55, part of the light of the display 60 is reflected from the first optical lens 51 to form the first reflected light, and the second reflector 53 is arranged on the optical path of the first reflected light and the first reflected light The reflection forms the second outgoing light 56.

As shown in FIG. 2, the first optical lens 51 includes a first optical substrate 511, a first polarized reflection film 512, a first compensation mirror 513, and a first antireflection optical film 514. The first polarized reflection film 512 is disposed on the first On the side of the optical substrate 511 away from the display 60, the first compensation mirror 513 is disposed on the side of the first polarizing reflection film 512 away from the first optical substrate 511, and the first compensation mirror 513 is away from the first polarizing reflection film 512 A first anti-reflection optical film 514 is provided on one side of the first optical substrate 511 and the side away from the first polarizing reflection film 512.

The surfaces on both sides of the first optical substrate 511 may be flat, spherical, aspherical, or free-form surface.

A first transmission mirror 54 may also be provided on the optical path between the display 60 and the first optical lens 51, and the function of the first transmission mirror 54 is to reduce field curvature, distortion and dispersion.

The first optical module 10 includes a second optical lens 11, an eighth optical lens 14 and a third reflecting mirror 12. The eighth optical lens 14 is arranged on the optical path of the first outgoing light 55, and the second optical lens 11 is arranged on the eighth optical lens. On the optical path of the transmitted light of the optical lens 14, the third reflector 12 is arranged on the optical path of the reflected light of the second optical lens 11. The light reflected by the third reflector 12 enters the second optical lens 11 and is transmitted out to form the third outgoing light. 13. The third mirror 12 is a total reflection lens.

As shown in FIG. 3, the second optical lens 11 includes a second optical substrate 111, a second polarizing reflection film 112, a second phase retardation film a113, a second phase retardation film b115 and a second antireflection optical film 114.

The surfaces on both sides of the second optical substrate 111 may be flat, spherical, aspherical, or free-form surface.

In one embodiment, referring to FIG. 3(a), the second polarizing reflection film 112 is disposed on the side of the second optical substrate 111 away from the first mirror 52, and the second phase retardation film a113 is disposed on the second optical substrate 111. The side of the second polarizing reflection film 112 away from the second optical substrate 111, the second phase retardation film b115 is disposed on the side of the second optical substrate 111 away from the second polarizing reflection film 112, and the second phase retardation film b115 The side far away from the second optical substrate 111 and the side away from the second polarizing reflection film 112 of the second phase retardation film a113 are both provided with a second antireflection optical film 114.

Of course, in another embodiment, referring to FIG. 3(b), the second phase retardation film a113 may also be disposed on the side of the second optical substrate 111 close to the first mirror 52, and the second polarized reflection The film 112 is disposed on the side of the second retardation film a113 away from the second optical substrate 111, and the second retardation film b115 is disposed on the side of the second polarizing reflection film 112 away from the second optical substrate 111. Both the side of the optical substrate 111 away from the second phase retardation film a113 and the side of the second phase retardation film b115 away from the second phase retardation film a113 are provided with a second antireflection optical film 114.

In another embodiment, referring to FIG. 3(c), the second polarizing reflection film 112 may be disposed on the side of the second optical substrate 111 close to the first mirror 52, and the second phase retardation film b115 may be disposed On the side of the second polarizing reflection film 112 away from the second optical substrate 111, the second phase retardation film a113 is disposed on the side of the second optical substrate 111 away from the second polarizing reflection film 112, and the second phase retardation film Both the side of b115 away from the second optical substrate 111 and the side of the second phase retardation film a113 away from the second optical substrate 111 are provided with a second antireflection optical film 114.

In another embodiment, referring to FIG. 3(d), the second retardation film b115, the second polarizing reflection film 112, and the second retardation film a113 are sequentially disposed on the second optical substrate 111 away from the first The side of the mirror 52, the side of the second phase retardation film a113 away from the second optical substrate 111 and the side of the second optical substrate 111 away from the second phase retardation film b115 are all provided with second antireflection optics膜114。 Film 114.

4, the eighth optical lens 14 includes an eighth optical substrate 141, an eighth phase retardation film 142, and an eighth antireflection optical film 143. The eighth phase retardation film 142 is disposed on one of the eighth optical substrate 141. On the other hand, the side of the eighth optical substrate 141 away from the eighth phase retardation film 142 and the side of the eighth phase retardation film 142 away from the eighth optical substrate 141 are both provided with an eighth antireflection optical film 143.

A third transmission mirror 15 may be provided on the optical path between the second optical lens 11 and the third reflection mirror 12. The number of the third transmission mirror 15 is one, two or more than two. When the number of the third transmission mirror 15 is When there are two or more lenses, a plurality of third transmission mirrors 15 are arranged side by side and spaced apart on the optical path between the second optical lens 11 and the third reflecting mirror 12; the third outgoing light 13 may be provided with a fourth transmission mirror on the optical path. The transmission mirror 16, the number of the fourth transmission mirror 16 is one, two, or more than two. When the number of the fourth transmission mirror 16 is two or more, the multiple fourth transmission mirrors 16 emit light in the third 13 light paths are arranged side by side at intervals.

The second optical module 20 includes a third optical lens 21 and a fourth optical lens 22. The third optical lens 21 is arranged on the optical path of the third outgoing light 13, and the fourth optical lens 22 is arranged on the reflected light of the third optical lens 21. On the light road.

As shown in FIG. 5, the third optical lens 21 includes a third optical substrate 211, a third absorption linear polarization film 212, a third polarization reflection film 213, a third phase retardation film 214, and a third antireflection optical film 215.

The surfaces on both sides of the third optical substrate 211 may be flat, spherical, aspherical, or free-form surface.

In an embodiment, referring to FIG. 5(a), the third absorbing linear polarizing film 212 is disposed on the side of the third optical substrate 211 close to the second optical lens 11, and the third polarizing reflective film 213 is disposed On the side of the third absorbing linear polarizing film 212 away from the third optical substrate 211, the third phase retardation film 214 is arranged on the side of the third polarizing reflection film 213 away from the third optical substrate 211, and the third phase Both the side of the retardation film 214 away from the third polarizing reflection film 213 and the side of the third optical substrate 211 away from the third absorptive linear polarizing film 212 are provided with a third antireflection optical film 215.

Of course, in another embodiment, referring to FIG. 5(b), the third absorbing linear polarizing film 212 may also be disposed on the side of the third optical substrate 211 away from the second optical lens 11. The polarizing reflection film 213 is disposed on the side of the third optical substrate 211 away from the third absorbing linear polarizing film 212, and the third phase retardation film 214 is disposed on a side of the third polarizing reflection film 213 away from the third optical substrate 211. On the other hand, the side of the third phase retardation film 214 away from the third optical substrate 211 and the side of the third absorbing linear polarizing film 212 away from the third optical substrate 211 are both provided with a third antireflection optical film 215.

In another embodiment, referring to FIG. 5(c), the third polarizing reflection film 213 may also be disposed on the side of the third optical substrate 211 away from the second optical lens 11, and the third absorbing linear polarization The film 212 is disposed on the side of the third polarizing reflection film 213 away from the third optical substrate 211, the third phase retardation film 214 is disposed on the side of the third optical substrate 211 away from the third polarizing reflection film 213, and the third A third antireflection optical film 215 is provided on the side of the phase retardation film 214 away from the third optical substrate 211 and the side of the third absorption linear polarizing film 212 away from the third optical substrate 211;

In another embodiment, referring to FIG. 5(d), the third phase retardation film 214 may also be disposed on the side of the third optical substrate 211 away from the second optical lens 11, and the third polarizing reflection film 213 Is arranged on the side of the third phase retardation film 214 away from the third optical substrate 211, and the third absorbing linear polarizing film 212 is arranged on the side of the third polarizing reflection film 213 away from the third optical substrate 211, and the third Both the side of the optical substrate 211 away from the third phase retardation film 214 and the side of the third absorbing linear polarizing film 212 away from the third optical substrate 211 are provided with a third antireflection optical film 215.

As shown in FIG. 6, the fourth optical lens 22 includes a fourth optical substrate 221, and a fourth compensation mirror 222 and a fourth phase retarder arranged on the side of the fourth optical substrate 221 away from the third optical lens 21 in sequence. The film 223, the fourth linear polarization reflection film 224 and the fourth antireflection optical film 225, and the fourth optical substrate 221 is provided with a fourth partially transmissive and partially reflective film 226 on the side close to the third optical lens 21. Of course, the fourth partially transmissive and partially reflective film 226 can also be disposed between the fourth optical substrate 221 and the fourth compensation mirror 222.

The third optical module 30 includes a fifth optical lens 31, a ninth optical lens 38, and a fourth mirror 32. The ninth optical lens 38 is arranged on the optical path of the second outgoing light 56, and the fifth optical lens 31 is arranged on the ninth optical lens. On the optical path of the transmitted light of the optical lens 38, the fourth reflector 32 is arranged on the optical path of the reflected light of the fifth optical lens 31, and the light reflected by the fourth reflector 32 enters the fifth optical lens 31 and is transmitted out to form the fourth outgoing light 33 . The fourth reflecting mirror 32 is a total reflection lens.

As shown in FIG. 7, the fifth optical lens 31 includes a fifth optical substrate 311, a fifth polarizing reflection film 312, a fifth phase retardation film a313, a fifth phase retardation film b315, and a fifth antireflection optical film 314;

The surfaces on both sides of the fifth optical substrate 311 may be flat, spherical, aspherical, or free-form surface.

In one embodiment, referring to FIG. 7(a), the fifth polarizing reflection film 312 and the fifth phase retardation film a313 are sequentially disposed on the side of the fifth optical substrate 311 away from the light splitting module 50, and the fifth The phase retardation film b315 is disposed on the side of the fifth optical substrate 311 close to the beam splitting module 50, the fifth phase retardation film a313 is far away from the fifth optical substrate 311 and the fifth phase retardation film b315 is far away from the fifth polarizer. A fifth antireflection optical film 314 is provided on one side of the reflective film 312;

Of course, in another embodiment, referring to FIG. 7(b), the fifth phase retardation film b315, the fifth polarizing reflection film 312, and the fifth phase retardation film a313 may also be sequentially disposed on the fifth optical substrate 311. The side away from the beam splitting module 50, the side of the fifth optical substrate 311 away from the fifth phase retardation film b315, and the side of the fifth phase retardation film a313 away from the fifth phase retardation film are all provided with a fifth increase Transparent optical film 314;

In another embodiment, referring to FIG. 7(c), the fifth polarizing reflection film 312 and the fifth phase retardation film b315 may be sequentially disposed on the side of the fifth optical substrate 311 close to the light splitting module 50, The fifth phase retardation film a313 is disposed on the side of the fifth optical substrate 311 away from the fifth polarizing reflection film 312, the fifth phase retardation film a313 is located on the side away from the fifth optical substrate 311 and the fifth phase retardation film b315 A fifth antireflection optical film 314 is provided on the side far away from the fifth polarizing reflection film 312.

In yet another embodiment, referring to FIG. 7(d), the fifth phase retardation film a313, the fifth polarizing reflection film 312, and the fifth phase retardation film b315 are sequentially disposed on the fifth optical substrate 311 near the light splitting mode. The side of the group 50, the side of the fifth optical substrate 311 away from the fifth phase retardation film a313 and the side of the fifth phase retardation film b315 away from the fifth optical substrate 311 are all provided with a fifth antireflection optical film 314.

It should be noted that by adjusting the angles of the fifth retardation film a313 and the fifth retardation film b315, the polarization state of the light can be controlled. When the polarization state of the light is perpendicular to the reflection axis of the fifth polarization reflection film 312, the corresponding The light can be transmitted from the fifth polarization reflection film 312, and when the polarization state of the light is the same as the reflection axis of the fifth polarization reflection film 312, the corresponding light can be reflected from the fifth polarization reflection film 312.

Referring to FIG. 8, the ninth optical lens 38 includes a ninth optical substrate 381, a ninth phase retardation film 382, and a ninth antireflection optical film 383. The ninth phase retardation film 382 is disposed on a side of the ninth optical substrate 381. On the other hand, the side of the ninth optical substrate 381 away from the ninth phase retardation film 382 and the side of the ninth phase retardation film 382 away from the ninth optical substrate 381 are both provided with a ninth antireflection optical film 383.

A sixth transmission mirror 35 may be provided on the optical path between the fifth optical lens 31 and the fourth reflection mirror 32. The number of the sixth transmission mirror 35 is one, two, or more than two. When the number of the sixth transmission mirror 35 is When there are two or more lenses, a plurality of sixth transmissive mirrors 35 are arranged side by side and spaced apart on the optical path between the fifth optical lens 31 and the fourth reflecting mirror 32; the fourth outgoing light 33 may be provided with a seventh The transmission mirror 36, the number of the seventh transmission mirror 36 is one, two, or more than two. When the number of the seventh transmission mirror 36 is two or more, the multiple seventh transmission mirrors 36 emit light in the fourth 33 light paths are arranged side by side at intervals.

The fourth optical module 40 includes a sixth optical lens 41 and a seventh optical lens 42. The sixth optical lens 41 is arranged on the optical path of the fourth outgoing light 33, and the seventh optical lens 42 is arranged on the reflected light of the sixth optical lens 41. On the light road.

As shown in FIG. 9, the sixth optical lens 41 includes a sixth optical substrate 411, a sixth absorbing linear polarizing film 412, a sixth polarizing reflection film 413, a sixth phase retardation film 414, and a sixth antireflection optical film 415.

The surfaces on both sides of the sixth optical substrate 411 may be flat, spherical, aspherical, or free-form surface.

In an embodiment, referring to FIG. 9(a), the sixth absorbing linear polarizing film 412, the sixth polarizing reflection film 413, and the sixth phase retardation film 414 are sequentially disposed on the sixth optical substrate 411 near the first The side of the fifth optical lens 31, the side of the sixth optical substrate 411 away from the fifth optical lens 31, and the side of the sixth phase retardation film 414 away from the sixth polarizing reflection film 413 are all provided with sixth antireflection optics.膜415。 Membrane 415.

Of course, in another embodiment, referring to FIG. 9(b), the sixth absorbing linear polarizing film 412 can also be disposed on the side of the sixth optical substrate 411 away from the fifth optical lens 31, and the sixth The polarizing reflection film 413 and the sixth phase retardation film 414 are sequentially arranged on the side of the sixth optical substrate 411 away from the sixth absorbing linear polarizing film 412, and the sixth absorbing linear polarizing film 412 is away from the sixth optical substrate 411 A sixth antireflection optical film 415 is provided on one side of the sixth phase retardation film 414 and the side away from the sixth polarizing reflection film 413.

In yet another embodiment, referring to FIG. 9(c), the sixth polarizing reflection film 413 and the sixth absorbing linear polarizing film 412 are sequentially disposed on a side of the sixth optical substrate 411 away from the fifth optical lens 31. Side, the sixth phase retardation film 414 is disposed on the side of the sixth optical substrate 411 away from the sixth polarizing reflection film 413, the sixth absorbing linear polarizing film 412 is disposed on the side away from the sixth optical substrate 411 and the sixth optical substrate 411. A sixth antireflection optical film 415 is provided on the side of the phase retardation film 414 away from the sixth polarizing reflection film 413.

In yet another embodiment, referring to FIG. 9(d), the sixth phase retardation film 414, the sixth polarizing reflection film 413, and the sixth absorbing linear polarizing film 412 are sequentially disposed far away from the sixth optical substrate 411. The side of the fifth optical lens 31, the side of the sixth optical substrate 411 away from the sixth phase retardation film 414, and the side of the sixth absorbing linear polarizing film 412 away from the sixth optical substrate 411 are all provided with a Six anti-reflection optical film 415.

As shown in FIG. 10, the seventh optical lens 42 includes a seventh optical substrate 421, a seventh compensation mirror 422 and a seventh phase retardation film 423 which are sequentially disposed on the side of the seventh optical substrate 421 away from the sixth optical lens 41. , The seventh linear polarization reflection film 424 and the seventh antireflection optical film 425, the seventh optical substrate 421 is provided with a seventh partially transmissive partially reflective film 426 on the side close to the sixth optical lens 41. Of course, the seventh partially transmissive and partially reflective film 426 can also be disposed between the seventh optical substrate 421 and the seventh compensation mirror 422.

In the embodiment of the present invention, all the phase retardation films are quarter-wave plates, whose function is to convert circularly polarized light into linearly polarized light or convert linearly polarized light into circularly polarized light; the function of all polarized reflection films It reflects linearly polarized light in one direction and transmits linearly polarized light in another direction; the function of all linearly polarized films is to absorb linearly polarized light in one direction and transmit linearly polarized light in another direction; the role of each transmission mirror It is the turning light path to adjust the system aberration.

The imaging principle of the binocular optical display system with multiplexed light source folding optical path in this embodiment is as follows:

The light emitted by the display 60 is natural light. The natural light emitted by the display 60 first enters the first transmission mirror 54 and is processed and then transmitted. The light transmitted from the first transmission mirror 54 enters the first optical lens 51 and is processed to obtain transmitted polarized light and reflection. Polarized light, the transmitted polarized light is transmitted from the first optical lens 51 and enters the first mirror 52 to be reflected to form the first emergent light 55, and the reflected polarized light enters the second reflector 53 and is reflected again to form the second emergent light 56 after being reflected. ; The first outgoing light 55 enters the second optical lens 11 through the eighth optical lens 14 and is reflected after being processed. The light reflected from the second optical lens 11 passes through the third transmission mirror 15 and then enters the third mirror 12 to be reflected. The light reflected by the third mirror 12 passes through the third transmission mirror 15 and then enters the second optical lens 11 again for processing and then is transmitted out to form the third emergent light 13, and the third emergent light 13 enters the third optical lens 21 through the fourth transmission mirror 16 It is reflected after processing, the light reflected from the third optical lens 21 enters the fourth optical lens 22 and then is reflected, and the light reflected from the fourth optical lens 22 enters the third optical lens 21 again and is processed and transmitted out to reach the human eye. A virtual image of a specific imaging position and a specific magnification; at the same time, the second outgoing light 56 enters the fifth optical lens 31 through the ninth optical lens 38 and is processed and reflected, and the light reflected from the fifth optical lens 31 enters after the sixth transmission lens 35 The fourth reflecting mirror 32 is reflected. The light reflected from the fourth reflecting mirror 32 passes through the sixth transmission mirror 35 and then enters the fifth optical lens 31 again for processing and then is transmitted out to form the fourth exit light 33. The fourth exit light 33 passes through the first The seven transmission mirror 36 enters the sixth optical lens 41 and is reflected. The light reflected from the sixth optical lens 41 enters the seventh optical lens 42 and is processed and then is reflected. The light reflected from the seventh optical lens 42 enters the sixth optical lens 41 again and is reflected. After processing, it is transmitted to the human eye to form a virtual image with a specific imaging position and a specific magnification.

Example 2

As shown in FIG. 11, the second embodiment of the present invention provides a binocular optical display system with multiplexed light source folding light path, including a display 60, a light splitting module 50, a first optical module 10a, a second optical module 20, The third optical module 30a and the fourth optical module 40.

It should be noted that the difference between this embodiment and the first embodiment lies in the first optical module 10a and the third optical module 30a.

The display 60, the light splitting module 50, the second optical module 20, and the fourth optical module 40 in this embodiment adopt the display 60, the light splitting module 50, the second optical module 20, and the fourth optical module in the first embodiment. For the group 40, its structure, working principle and technical effects can be referred to the corresponding content in the first embodiment, which will not be repeated here.

The first optical module 10a includes a second optical lens 18 and a third reflector 12. The second optical lens 18 is arranged on the optical path of the first outgoing light 55, and the third reflector 12 is arranged on the transmitted light of the second optical lens 18. On the optical path, the light reflected by the third mirror 12 enters the second optical lens 18 and is reflected again to form the third emergent light 13. The third mirror 12 is a total reflection lens. The second optical module 20 is disposed on the optical path of the third outgoing light 13.

Referring to FIG. 12, the second optical lens 18 includes a second optical substrate 181, a second polarizing reflection film 182, a second phase retardation film a183, and a second antireflection optical film 184.

The surfaces on both sides of the second optical substrate 181 may be flat, spherical, aspherical, or free-form surface.

In an embodiment, referring to FIG. 12(a), the second polarizing reflection film 182 is disposed on the side of the second optical substrate 181 far away from the first mirror 52, and the second phase retardation film a183 is disposed on the second optical substrate 181. The side of the second polarization reflection film 182 away from the second optical substrate 181, the side of the second optical substrate 181 away from the second polarization reflection film 182, and the second phase retardation film a183 away from the second polarization reflection film 182 A second anti-reflection optical film 184 is provided on one side.

Of course, in another embodiment, referring to FIG. 12(b), the second phase retardation film a183 may also be disposed on the side of the second optical substrate 181 close to the first mirror 52, and the second polarized reflection The film 182 is disposed on the side of the second phase retardation film a183 away from the second optical substrate 181, the side of the second optical substrate 181 away from the second phase retardation film a183, and the second phase retardation film a183 away from the second Each side of the optical substrate 181 is provided with a second anti-reflection optical film 184.

In another embodiment, referring to FIG. 12(c), the second polarizing reflection film 182 may be disposed on the side of the second optical substrate 181 close to the first mirror 52, and the second phase retardation film a183 may be disposed On the side of the second optical substrate 181 away from the second polarizing reflection film 182, the side of the second polarizing reflection film 182 away from the second optical substrate 181, and the second phase retardation film a183 away from the second optical substrate A second anti-reflection optical film 184 is provided on one side of 181.

A second transmission mirror 17 may be provided on the optical path between the first reflection mirror 52 and the second optical lens 18. The number of the second transmission mirror 17 is one, two, or more than two. When the number of the second transmission mirror 17 is When there are two or more lenses, a plurality of second transmission mirrors 17 are arranged side by side and spaced apart on the optical path between the first reflection mirror 52 and the second optical lens 18; between the second optical lens 18 and the third reflection mirror 12 A third transmission mirror 15 may be provided on the optical path of the third transmission mirror 15. The number of the third transmission mirror 15 is one, two or more than two. When the number of the third transmission mirror 15 is two or more, the third transmission mirror 15 The transmission mirror 15 is arranged side by side on the optical path between the second optical lens 18 and the third reflector 12 at intervals; the third outgoing light 13 may be provided with a fourth transmission mirror 16 on the optical path, and the number of the fourth transmission mirror 16 is one piece , Two or more than two, when the number of fourth transmission mirrors 16 is two or more, multiple fourth transmission mirrors 16 are arranged side by side on the optical path of the third outgoing light 13 at intervals.

The third optical module 30a includes a fifth optical lens 37 and a fourth reflector 32. The fifth optical lens 37 is arranged on the optical path of the second outgoing light 56, and the fourth reflector 32 is arranged on the transmitted light of the fifth optical lens 37. On the optical path, the light reflected by the fourth mirror 32 enters the fifth optical lens 37 and is reflected again to form the fourth emergent light 33. The fourth reflecting mirror 32 is a total reflection lens. The fourth optical module 40 is disposed on the optical path of the fourth outgoing light 33.

As shown in FIG. 13, the fifth optical lens 37 includes a fifth optical substrate 371, a fifth polarizing reflection film 372, a fifth phase retardation film a373, and a fifth antireflection optical film 374.

The surfaces on both sides of the fifth optical substrate 371 may be flat, spherical, aspherical, or free-form surface.

In an embodiment, referring to FIG. 13(a), the fifth polarizing reflection film 372 is disposed on the side of the fifth optical substrate 371 away from the second mirror 53, and the fifth phase retardation film a373 is disposed on the first The side of the five-polarization reflection film 372 away from the fifth optical substrate 371, the side of the fifth optical substrate 371 away from the fifth polarization reflection film 372, and the side of the fifth phase retardation film a373 away from the fifth polarization reflection film 372 A fifth antireflection optical film 374 is provided on one side.

Of course, in another embodiment, referring to FIG. 13(b), the fifth phase retardation film a373 may also be disposed on the side of the fifth optical substrate 371 close to the second mirror 53, and the fifth polarized reflection film The film 372 is disposed on the side of the fifth phase retardation film a373 away from the fifth optical substrate 371, the side of the fifth optical substrate 371 away from the fifth phase retardation film a373, and the fifth polarizing reflection film 372 away from the fifth optical substrate 371. A fifth antireflection optical film 374 is provided on one side of the phase retardation film a373.

In another embodiment, referring to FIG. 13(c), the fifth polarizing reflection film 372 may also be disposed on the side of the fifth optical substrate 371 close to the second mirror 53, and the fifth phase retardation film a373 Disposed on the side of the fifth optical substrate 371 away from the fifth polarizing reflection film 372, the side of the fifth polarizing reflection film 372 away from the fifth optical substrate 371, and the fifth phase retardation film a373 away from the fifth optical base Each side of the sheet 371 is provided with a fifth antireflection optical film 374.

A fifth transmission mirror 34 may be provided on the optical path between the second reflection mirror 53 and the fifth optical lens 37. The number of the fifth transmission mirror 34 is one, two, or more than two. When the number of the fifth transmission mirror 34 is When there are two or more lenses, a plurality of fifth transmission mirrors 34 are arranged side by side and spaced apart on the optical path between the second reflection mirror 53 and the fifth optical lens 37; between the fifth optical lens 37 and the fourth reflection mirror 32 There may be a sixth transmission mirror 35 on the optical path, the number of the sixth transmission mirror 35 is one, two or more than two. When the number of the sixth transmission mirror 35 is two or more, the number of sixth transmission mirrors 35 is two or more. The transmission mirrors 35 are arranged side by side and spaced apart on the optical path between the fifth optical lens 37 and the fourth reflection mirror 32; a seventh transmission mirror 36 may be provided on the optical path of the fourth outgoing light 33, and the number of the seventh transmission mirror 36 is one piece , Two or more than two, when the number of seventh transmission mirrors 36 is two or more, a plurality of seventh transmission mirrors 36 are arranged side by side and spaced apart on the optical path of the fourth outgoing light 33.

The imaging principle of the binocular optical display system with multiplexed light source folding optical path in this embodiment is as follows:

The light emitted by the display 60 is natural light. The natural light emitted by the display 60 first enters the first transmission mirror 54 and is processed and then transmitted. The light transmitted from the first transmission mirror 54 enters the first optical lens 51 and is processed to obtain transmitted polarized light and reflection. Polarized light, reflected polarized light is reflected from the first optical lens 51 to form the first emergent light 55, and the transmitted polarized light is transmitted from the first optical lens 51 and enters the second mirror 53 to be reflected, and the reflected polarized light is reflected from the second mirror 53 The light entering the first optical lens 51 is reflected again to form the second emergent light 56; the first emergent light 55 enters the second optical lens 18 through the second transmission mirror 17 and is processed and then transmitted, and the light transmitted from the second optical lens 18 After passing through the third transmission mirror 15 and entering the third reflection mirror 12, the light reflected from the third reflection mirror 12 passes through the third transmission mirror 15 and then enters the second optical lens 18 for processing and is reflected to form the third exit light 13. The three outgoing light 13 passes through the fourth transmission mirror 16 and enters the third optical lens 21 and then is reflected. The light reflected from the third optical lens 21 enters the fourth optical lens 22 and is processed and then is reflected. The light reflected from the fourth optical lens 22 After entering the third optical lens 21 again, it is processed and transmitted out to reach the human eye to form a virtual image with a specific imaging position and a specific magnification; at the same time, the second outgoing light 56 enters the fifth optical lens 37 through the fifth transmission mirror 34 and is processed and transmitted. The light transmitted from the fifth optical lens 37 passes through the sixth transmission mirror 35 and then enters the fourth reflection mirror 32 to be reflected. The light reflected from the fourth reflection mirror 32 passes through the sixth transmission mirror 35 and then enters the fifth optical lens again. 37 is processed and reflected out to form the fourth outgoing light 33. The fourth outgoing light 33 enters the sixth optical lens 41 through the seventh transmission mirror 36 and is reflected. The light reflected from the sixth optical lens 41 enters the seventh optical lens 42 and is processed. By reflection, the light reflected from the seventh optical lens 42 enters the sixth optical lens 41 again, is processed, and is transmitted out to reach the human eye to form a virtual image with a specific imaging position and a specific magnification.

Example 3

Referring to FIG. 14, the third embodiment of the present invention provides a binocular optical display system that multiplexes light sources and folds the light path, including a display 60, a light splitting module 50a, a first optical module 10, a second optical module 20, The third optical module 30b and the fourth optical module 40.

It should be noted that the difference between this embodiment and the first embodiment lies in the light splitting module 50a and the third optical module 30b.

The display 60, the first optical module 10, the second optical module 20, and the fourth optical module 40 of this embodiment adopt the display 60, the first optical module 10, the second optical module 20 and the fourth optical module in the first embodiment. For the fourth optical module 40, for its structure, working principle and technical effects, please refer to the corresponding content in the first embodiment, which will not be repeated here.

The spectroscopic module 50a includes a first optical lens 51a and a second reflecting mirror 53.

The first optical lens 51a is arranged on the light exit path of the display 60, part of the light of the display 60 is reflected from the first optical lens 51a to form the first emergent light 55, and part of the light of the display 60 is transmitted from the first optical lens 51a to form the first transmission. The second reflecting mirror 53 is arranged on the optical path of the first transmitted light, and the light reflected by the second reflecting mirror 53 enters the first optical lens 51 a and is reflected again to form the second outgoing light 56.

Referring to FIG. 15, the first optical lens 51a includes a first optical substrate 511, a first polarizing reflection film 512, a first phase retardation film 515, and a first antireflection optical film 514. The first polarizing reflection film 512 is disposed on the On the side of an optical substrate 511 close to the display 60, the first phase retardation film 515 is disposed on the side of the first optical substrate 511 away from the first polarizing reflection film 512, and the first phase retardation film 515 is away from the first optical substrate 511. Both one side of the substrate 511 and the side of the first polarizing reflection film 512 away from the first optical substrate 511 are provided with a first antireflection optical film 514.

A first transmission mirror 54 may also be provided on the optical path between the display 60 and the first optical lens 51a, and the function of the first transmission mirror 54 is to reduce field curvature, distortion and dispersion.

The first optical module 10 includes a second optical lens 11, an eighth optical lens 14 and a third reflecting mirror 12. The eighth optical lens 14 is arranged on the optical path of the first outgoing light 55, and the second optical lens 11 is arranged on the eighth optical lens. On the optical path of the transmitted light of the optical lens 14, the third reflector 12 is arranged on the optical path of the reflected light of the second optical lens 11. The light reflected by the third reflector 12 enters the second optical lens 11 and is transmitted out to form the third outgoing light. 13. The third mirror 12 is a total reflection lens.

A third transmission mirror 15 may be provided on the optical path between the second optical lens 11 and the third reflection mirror 12. The number of the third transmission mirror 15 is one, two or more than two. When the number of the third transmission mirror 15 is When there are two or more lenses, a plurality of third transmission mirrors 15 are arranged side by side and spaced apart on the optical path between the second optical lens 11 and the third reflecting mirror 12; the third outgoing light 13 may be provided with a fourth transmission mirror on the optical path. The transmission mirror 16, the number of the fourth transmission mirror 16 is one, two, or more than two. When the number of the fourth transmission mirror 16 is two or more, the multiple fourth transmission mirrors 16 emit light in the third 13 light paths are arranged side by side at intervals.

The second optical module 20 includes a third optical lens 21 and a fourth optical lens 22. The third optical lens 21 is arranged on the optical path of the third outgoing light 13, and the fourth optical lens 22 is arranged on the reflected light of the third optical lens 21. On the light road.

The third optical module 30b includes a fifth optical lens 31, a fifth transmission mirror 34, and a fourth reflection mirror 32. The fifth transmission mirror 34 is arranged on the optical path of the second outgoing light 56, and the fifth optical lens 31 is arranged on the fifth The light path of the transmitted light of the transmissive mirror 34, the fourth mirror 32 is arranged on the light path of the reflected light of the fifth optical lens 31, the light reflected by the fourth mirror 32 enters the fifth optical lens 31 and then is transmitted out to form the fourth outgoing light 33. The fourth optical module 40 is arranged on the optical path of the fourth outgoing light 33. The fourth reflecting mirror 32 is a total reflection lens.

The structure of the fifth optical lens 31 in this embodiment is the same as the structure of the fifth optical lens 31 in the first embodiment. Referring to FIG. 7, the fifth optical lens 31 includes a fifth optical substrate 311 and a fifth polarized reflector The film 312, the fifth phase retardation film a313, the fifth phase retardation film b315, and the fifth antireflection optical film 314;

The surfaces on both sides of the fifth optical substrate 311 may be flat, spherical, aspherical, or free-form surface.

In one embodiment, referring to FIG. 7(a), the fifth polarizing reflection film 312 and the fifth phase retardation film a313 are sequentially disposed on the side of the fifth optical substrate 311 away from the light splitting module 50a, and the fifth The phase retardation film b315 is arranged on the side of the fifth optical substrate 311 close to the light splitting module 50a, the fifth phase retardation film a313 is far away from the fifth optical substrate 311 and the fifth phase retardation film b315 is far away from the fifth polarizer. A fifth antireflection optical film 314 is provided on one side of the reflective film 312;

Of course, in another embodiment, referring to FIG. 7(b), the fifth phase retardation film b315, the fifth polarizing reflection film 312, and the fifth phase retardation film a313 can also be sequentially disposed on the fifth optical substrate 311. The side away from the light splitting module 50a, the side of the fifth optical substrate 311 away from the fifth phase retardation film b315, and the side of the fifth phase retardation film a313 away from the fifth phase retardation film are all provided with a fifth increase Transparent optical film 314;

In another embodiment, referring to FIG. 7(c), the fifth polarizing reflection film 312 and the fifth phase retardation film b315 may be sequentially disposed on the side of the fifth optical substrate 311 close to the light splitting module 50a, The fifth phase retardation film a313 is disposed on the side of the fifth optical substrate 311 away from the fifth polarizing reflection film 312, the fifth phase retardation film a313 is located on the side away from the fifth optical substrate 311 and the fifth phase retardation film b315 A fifth antireflection optical film 314 is provided on the side far away from the fifth polarizing reflection film 312.

In yet another embodiment, referring to FIG. 7(d), the fifth phase retardation film a313, the fifth polarizing reflection film 312, and the fifth phase retardation film b315 are sequentially disposed on the fifth optical substrate 311 near the light splitting mode. The side of the group 50a, the side of the fifth optical substrate 311 away from the fifth phase retardation film a313 and the side of the fifth phase retardation film b315 away from the fifth optical substrate 311 are all provided with a fifth antireflection optical film 314.

It should be noted that by adjusting the angles of the fifth retardation film a313 and the fifth retardation film b315, the polarization state of the light can be controlled. When the polarization state of the light is perpendicular to the reflection axis of the fifth polarization reflection film 312, the corresponding The light can be transmitted from the fifth polarization reflection film 312, and when the polarization state of the light is the same as the reflection axis of the fifth polarization reflection film 312, the corresponding light can be reflected from the fifth polarization reflection film 312.

A sixth transmission mirror 35 may be provided on the optical path between the fifth optical lens 31 and the fourth reflection mirror 32. The number of the sixth transmission mirror 35 is one, two, or more than two. When the number of the sixth transmission mirror 35 is When there are two or more lenses, a plurality of sixth transmissive mirrors 35 are arranged side by side and spaced apart on the optical path between the fifth optical lens 31 and the fourth reflecting mirror 32; the fourth outgoing light 33 may be provided with a seventh The transmission mirror 36, the number of the seventh transmission mirror 36 is one, two, or more than two. When the number of the seventh transmission mirror 36 is two or more, the multiple seventh transmission mirrors 36 emit light in the fourth 33 light paths are arranged side by side at intervals.

The fourth optical module 40 includes a sixth optical lens 41 and a seventh optical lens 42. The sixth optical lens 41 is arranged on the optical path of the fourth outgoing light 33, and the seventh optical lens 42 is arranged on the reflected light of the sixth optical lens 41. On the light road.

The imaging principle of the binocular optical display system with multiplexed light source folding optical path in this embodiment is as follows:

The light emitted by the display 60 is natural light. The natural light emitted by the display 60 first enters the first transmission mirror 54 and is processed and then transmitted. The light transmitted from the first transmission mirror 54 enters the first optical lens 51a and is processed to obtain transmitted polarized light and reflection. Polarized light, reflected polarized light is reflected from the first optical lens 51a to form the first emergent light 55, and the transmitted polarized light is transmitted from the first optical lens 51a and enters the second mirror 53 to be reflected, and the reflected polarized light is reflected from the second mirror 53 The light entering the first optical lens 51a is reflected again to form the second emergent light 56; the first emergent light 55 enters the second optical lens 11 through the eighth optical lens 14 and is processed and then is reflected. The light reflected from the second optical lens 11 passes through The third transmission mirror 15 enters the third reflection mirror 12 and is reflected. The light reflected from the third reflection mirror 12 passes through the third transmission mirror 15 and then enters the second optical lens 11 again for processing and then is transmitted out to form the third exit light 13. The three outgoing light 13 passes through the fourth transmission mirror 16 and enters the third optical lens 21 and then is reflected. The light reflected from the third optical lens 21 enters the fourth optical lens 22 and is processed and then is reflected. The light reflected from the fourth optical lens 22 After entering the third optical lens 21 again, it is processed and transmitted out to reach the human eye to form a virtual image with a specific imaging position and a specific magnification; at the same time, the second outgoing light 56 enters the fifth optical lens 31 through the fifth transmission mirror 34 and is processed and reflected The light reflected from the fifth optical lens 31 passes through the sixth transmission mirror 35 and then enters the fourth reflection mirror 32 to be reflected. The light reflected from the fourth reflection mirror 32 passes through the sixth transmission mirror 35 and then enters the fifth optical lens 31 again. After processing, the fourth exit light 33 is transmitted out to form the fourth exit light 33. The fourth exit light 33 enters the sixth optical lens 41 through the seventh transmission mirror 36 and is reflected, and the light reflected from the sixth optical lens 41 enters the seventh optical lens 42 and is processed. The light reflected from the seventh optical lens 42 enters the sixth optical lens 41 again, is processed, and is transmitted out to reach the human eye to form a virtual image with a specific imaging position and a specific magnification.

Example 4

Referring to FIG. 16, the fourth embodiment of the present invention provides a multiplexed light source binocular optical display system, including a display 60, a light splitting module 50a, a first optical module 10a, a second optical module 20, and a third optical display system. The module 30c and the fourth optical module 40.

It should be noted that the difference between this embodiment and the second embodiment lies in the light splitting module 50a and the third optical module 30c.

The display 60, the first optical module 10a, the second optical module 20, and the fourth optical module 40 of this embodiment adopt the display 60, the first optical module 10a, the second optical module 20 and the fourth optical module in the second embodiment. For the fourth optical module 40, for its structure, working principle and technical effects, please refer to the corresponding content in the first embodiment, which will not be repeated here.

It should also be noted that the spectroscopic module 50a in this embodiment has the same structure, working principle, and technical effects as the spectroscopic module 50a in the third embodiment.

The spectroscopic module 50a includes a first optical lens 51a and a second reflecting mirror 53.

The first optical lens 51a is arranged on the light exit path of the display 60, part of the light of the display 60 is reflected from the first optical lens 51a to form the first emergent light 55, and part of the light of the display 60 is transmitted from the first optical lens 51a to form the first transmission. The second reflecting mirror 53 is arranged on the optical path of the first transmitted light, and the light reflected by the second reflecting mirror 53 enters the first optical lens 51 a and is reflected again to form the second outgoing light 56.

Referring to FIG. 15, the first optical lens 51a includes a first optical substrate 511, a first polarizing reflection film 512, a first phase retardation film 515, and a first antireflection optical film 514. The first polarizing reflection film 512 is disposed on the On the side of an optical substrate 511 close to the display 60, the first phase retardation film 515 is disposed on the side of the first optical substrate 511 away from the first polarizing reflection film 512, and the first phase retardation film 515 is away from the first optical substrate 511. Both one side of the substrate 511 and the side of the first polarizing reflection film 512 away from the first optical substrate 511 are provided with a first antireflection optical film 514.

A first transmission mirror 54 may also be provided on the optical path between the display 60 and the first optical lens 51a, and the function of the first transmission mirror 54 is to reduce field curvature, distortion and dispersion.

The first optical module 10a includes a second optical lens 18 and a third reflector 12. The second optical lens 18 is arranged on the optical path of the first outgoing light 55, and the third reflector 12 is arranged on the transmitted light of the second optical lens 18. On the optical path, the light reflected by the third mirror 12 enters the second optical lens 18 and is reflected again to form the third emergent light 13. The third mirror 12 is a total reflection lens. The second optical module 20 is disposed on the optical path of the third outgoing light 13.

The optical path between the first optical lens 51a and the second optical lens 18 may be provided with a second transmission mirror 17. The number of the second transmission mirror 17 is one, two or more than two. When the number of the second transmission mirror 17 is When there are two or more lenses, a plurality of second transmission mirrors 17 are arranged side by side and spaced apart on the optical path between the first optical lens 51a and the second optical lens 18; between the second optical lens 18 and the third mirror 12 A third transmission mirror 15 may be provided on the optical path of the third transmission mirror 15. The number of the third transmission mirror 15 is one, two or more than two. When the number of the third transmission mirror 15 is two or more, the third transmission mirror 15 The transmission mirror 15 is arranged side by side on the optical path between the second optical lens 18 and the third reflector 12 at intervals; the third outgoing light 13 may be provided with a fourth transmission mirror 16 on the optical path, and the number of the fourth transmission mirror 16 is one piece , Two or more than two, when the number of fourth transmission mirrors 16 is two or more, multiple fourth transmission mirrors 16 are arranged side by side on the optical path of the third outgoing light 13 at intervals.

The third optical module 30c includes a fifth optical lens 37a, a fifth transmission mirror 34, and a fourth reflection mirror 32. The fifth transmission mirror 34 is disposed on the optical path of the second outgoing light 56, and the fifth optical lens 37a is disposed on the fifth optical path. The optical path of the transmitted light of the transmission mirror 34, the fourth reflector 32 is arranged on the optical path of the transmitted light of the fifth optical lens 37a, and the light reflected by the fourth reflector 32 enters the fifth optical lens 37a and is reflected out to form the fourth outgoing light. 33. The fourth optical module 40 is arranged on the optical path of the fourth outgoing light 33. The fourth reflecting mirror 32 is a total reflection lens. The fourth optical module 40 is disposed on the optical path of the fourth outgoing light 33.

As shown in FIG. 17, the fifth optical lens 37a includes a fifth optical substrate 371, a fifth polarizing reflection film 372, a fifth phase retardation film a373, a fifth phase retardation film b375, and a fifth antireflection optical film 374;

The surfaces on both sides of the fifth optical substrate 371 may be flat, spherical, aspherical, or free-form surface.

In one embodiment, referring to FIG. 17(a), the fifth polarizing reflection film 372 and the fifth phase retardation film a373 are sequentially disposed on the side of the fifth optical substrate 371 away from the light splitting module 50a, and the fifth The phase retardation film b375 is arranged on the side of the fifth optical substrate 371 close to the beam splitting module 50a, the fifth phase retardation film a373 is far away from the fifth optical substrate 371 and the fifth phase retardation film b375 is far away from the fifth polarizer. A fifth antireflection optical film 374 is provided on one side of the reflective film 372;

Of course, in another embodiment, referring to FIG. 17(b), the fifth phase retardation film b375, the fifth polarizing reflection film 372, and the fifth phase retardation film a373 can also be sequentially disposed on the fifth optical substrate 371. The side away from the light splitting module 50a, the side of the fifth optical substrate 371 away from the fifth phase retardation film b375, and the side of the fifth phase retardation film a373 away from the fifth phase retardation film are all provided with a fifth increase Transparent optical film 374;

In another embodiment, referring to FIG. 17(c), the fifth polarizing reflection film 372 and the fifth phase retardation film b375 may be sequentially disposed on the side of the fifth optical substrate 371 close to the beam splitting module 50a, The fifth phase retardation film a373 is disposed on the side of the fifth optical substrate 371 away from the fifth polarizing reflection film 372, the fifth phase retardation film a373 is located on the side away from the fifth optical substrate 371 and the fifth phase retardation film b375 A fifth antireflection optical film 374 is provided on the side far away from the fifth polarizing reflection film 372.

In yet another embodiment, referring to FIG. 17(d), the fifth phase retardation film a373, the fifth polarizing reflection film 372, and the fifth phase retardation film b375 are sequentially disposed on the fifth optical substrate 371 near the light splitting mode. The side of the group 50a, the side of the fifth optical substrate 371 away from the fifth phase retardation film a373 and the side of the fifth phase retardation film b375 away from the fifth optical substrate 371 are all provided with a fifth antireflection optical film 374.

It should be noted that by adjusting the angles of the fifth retardation film a373 and the fifth retardation film b375, the polarization state of the light can be controlled. When the polarization state of the light is perpendicular to the reflection axis of the fifth polarization reflection film 372, the corresponding Light can be transmitted from the fifth polarizing reflection film 372. When the polarization state of the light is the same as the reflection axis of the fifth polarizing reflection film 372, the corresponding light can be reflected from the fifth polarizing reflection film 372.

The number of the fifth transmission mirror 34 is one, two, or more than two. When the number of the fifth transmission mirror 34 is two or more, the plurality of fifth transmission mirrors 34 are placed between the second reflection mirror 53 and the fifth transmission mirror 34. The optical paths between the optical lenses 37a are arranged side by side at intervals; the optical path between the fifth optical lenses 37a and the fourth mirror 32 may be provided with a sixth transmission mirror 35, the number of the sixth transmission mirror 35 is one, two or Two or more, when the number of the sixth transmission mirror 35 is two or more, a plurality of sixth transmission mirrors 35 are arranged side by side and spaced apart on the optical path between the fifth optical lens 37a and the fourth reflection mirror 32; A seventh transmission mirror 36 may be provided on the optical path of the four outgoing light 33. The number of the seventh transmission mirror 36 is one, two, or more than two. When the number of the seventh transmission mirror 36 is two or more, A plurality of seventh transmission mirrors 36 are arranged side by side and spaced apart on the optical path of the fourth outgoing light 33.

The imaging principle of the binocular optical display system with multiplexed light source folding optical path in this embodiment is as follows:

The light emitted by the display 60 is natural light. The natural light emitted by the display 60 first enters the first transmission mirror 54 and is processed and then transmitted. The light transmitted from the first transmission mirror 54 enters the first optical lens 51 and is processed to obtain transmitted polarized light and reflection. Polarized light, reflected polarized light is reflected from the first optical lens 51 to form the first emergent light 55, and the transmitted polarized light is transmitted from the first optical lens 51 and enters the second mirror 53 to be reflected, and the reflected polarized light is reflected from the second mirror 53 The light enters the first optical lens 51 and is reflected again to form the second emergent light 56; the first emergent light 55 enters the second optical lens 11 through the second transmission mirror 17 and is processed and then transmitted, and the light transmitted from the second optical lens 11 After passing through the third transmission mirror 15 and entering the third reflection mirror 12, the light reflected from the third reflection mirror 12 passes through the third transmission mirror 15 and then enters the second optical lens 18 again for processing, and then is reflected to form the third emergent light 13. The third outgoing light 13 enters the third optical lens 21 through the fourth transmission mirror 16 and then is reflected. The light reflected from the third optical lens 21 enters the fourth optical lens 22 and is processed after being reflected. The light enters the third optical lens 21 again and is processed and transmitted out to reach the human eye to form a virtual image with a specific imaging position and a specific magnification; at the same time, the second outgoing light 56 enters the fifth optical lens 37a through the fifth transmission mirror 34 and is processed and transmitted. Out, the light transmitted from the fifth optical lens 37a passes through the sixth transmission mirror 35 and then enters the fourth reflection mirror 32 to be reflected. The light reflected from the fourth reflection mirror 32 passes through the sixth transmission mirror 35 and then enters the fifth optics again. The lens 37a is processed and reflected out to form the fourth exit light 33. The fourth exit light 33 enters the sixth optical lens 41 through the seventh transmission mirror 36 and is reflected. The light reflected from the sixth optical lens 41 enters the seventh optical lens 42 after processing. After being reflected, the light reflected from the seventh optical lens 42 enters the sixth optical lens 41 again, is processed, and is transmitted out to reach the human eye to form a virtual image with a specific imaging position and a specific magnification.

Example 5

The fifth embodiment of the present invention also provides a wearable device, which includes a wearable component and a binocular optical display system that multiplexes the light source folding light path.

It should be noted that the binocular optical display system of the multiplexed light source folding light path in this embodiment can adopt the binocular optical display of the multiplexed light source folding light path in Embodiment 1, Embodiment 2, Embodiment 3 or Embodiment 4. For the system, its structure, working principle, and technical effects produced, refer to the corresponding content in Embodiment 1, Embodiment 2, Embodiment 3 or Embodiment 4, and will not be repeated here.

The binocular optical display system that multiplexes the light source folding light path is arranged on the wearing part. The wearing part can be a helmet or a spectacle frame, etc., which is convenient for people to wear on their heads. Of course, the wearable device may also include a control unit, a storage unit, etc. The control unit is convenient for controlling the device, and the storage unit is convenient for storing images, videos, etc.

When in use, the distance between the optical lenses can be adjusted manually or electrically, or the distance between the lens and the display screen can be changed to change the position of the virtual image, so as to better meet the needs of myopic users for viewing digital images.

The present invention is not limited to the above-mentioned optional embodiments, and anyone can derive other products in various forms under the enlightenment of the present invention. The above-mentioned specific embodiments should not be construed as limiting the scope of protection of the present invention, and the scope of protection of the present invention should be defined in the claims, and the description can be used to interpret the claims.

Claims (23)

1. A binocular optical display system that multiplexes a light source folding optical path, which is characterized in that it includes a display, a light splitting module, a first optical module, a second optical module, a third optical module, and a fourth optical module;

   The light splitting module is arranged on the light exiting light path of the display, and the light splitting module processes the light incident from the display to obtain the first exit light and the second exit light;

   The first optical module is disposed on the light path of the first light exiting, and the second optical module is disposed on the light path of the first optical module;

   The third optical module is arranged on the light path of the second outgoing light, and the fourth optical module is arranged on the light path of the third optical module.
2. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 1, wherein the light splitting module comprises a first optical lens, a first mirror, and a second mirror, and the first optical lens Is arranged on the light path of the display, part of the light of the display is transmitted from the first optical lens to form first transmitted light, and the first reflector is arranged on the light path of the first transmitted light and The first transmitted light is reflected to form the first outgoing light, part of the light of the display is reflected from the first optical lens to form the first reflected light, and the second reflector is arranged on the side of the first reflected light. The first reflected light is reflected on the optical path to form the second outgoing light.
3. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 2, wherein the first optical lens comprises a first optical substrate, a first polarized reflection film, a first compensation mirror and a first increaser. An optically transparent film, the first polarized reflection film is arranged on the side of the first optical substrate away from the display, and the first compensation mirror is arranged on the first polarized reflection film away from the first The side of the optical substrate, the side of the first compensation mirror away from the first polarized reflection film and the side of the first optical substrate away from the first polarized reflection film are both provided with the The first antireflection optical film.
4. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 1, wherein the light splitting module includes a first optical lens and a second reflecting mirror, and the first optical lens is disposed on the display On the light exit path, part of the light from the display is reflected from the first optical lens to form the first emergent light, and part of the light from the display is transmitted from the first optical lens to form the first transmitted light. The second reflecting mirror is arranged on the optical path of the first transmitted light, and the light reflected by the second reflecting mirror enters the first optical lens and is reflected again to form the second outgoing light.
5. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 4, wherein the first optical lens comprises a first optical substrate, a first polarized reflection film, a first phase retardation film and a first An anti-reflection optical film, the first polarizing reflection film is disposed on the side of the first optical substrate close to the display, and the first phase retardation film is disposed on the first optical substrate away from the The side of the first polarizing reflection film, the side of the first phase retardation film away from the first optical substrate and the side of the first polarizing reflection film away from the first optical substrate are both provided There is the first antireflection optical film.
6. The binocular optical display system with multiplexed light source folding optical paths according to any one of claims 2-5, wherein a first transmission mirror is provided on the optical path between the display and the first optical lens .
7. The binocular optical display system with multiplexed light source folding optical paths according to any one of claims 1-5, wherein the first optical module includes a second optical lens, an eighth optical lens, and a third reflector. The eighth optical lens is arranged on the optical path of the first outgoing light, the second optical lens is arranged on the optical path of the transmitted light of the eighth optical lens, and the third reflector is arranged on the optical path of the On the light path of the reflected light of the second optical lens, the light reflected by the third mirror enters the second optical lens and is transmitted out to form a third outgoing light. The second optical module is disposed on the third outgoing light. The light path where the light shines.
8. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 7, wherein the second optical lens comprises a second optical substrate, a second polarizing reflection film, a second phase retardation film a, and a second phase retardation film a. Two phase retardation film b and a second antireflection optical film;

   The second polarizing reflection film is disposed on the side of the second optical substrate away from the light splitting module, and the second phase retardation film a is disposed on the second polarizing reflection film away from the second On one side of the optical substrate, the second phase retardation film b is disposed on the side of the second optical substrate away from the second polarizing reflection film, and the second phase retardation film b is away from the first polarizing reflection film. The second antireflection optical film is provided on one side of the two optical substrates and the side of the second phase retardation film a away from the second polarizing reflection film;

   Alternatively, the second phase retardation film a is disposed on the side of the second optical substrate close to the beam splitting module, and the second polarizing reflection film is disposed on the side far from the second phase retardation film a. On one side of the second optical substrate, the second phase retardation film b is disposed on the side of the second polarizing reflection film away from the second optical substrate, and the second optical substrate is away from the second optical substrate. Both one side of the second phase retardation film a and the side of the second phase retardation film b away from the second phase retardation film a are provided with the second antireflection optical film;

   Alternatively, the second polarizing reflection film is disposed on the side of the second optical substrate close to the beam splitting module, and the second phase retardation film b is disposed on the second polarizing reflection film far away from the On one side of the second optical substrate, the second phase retardation film a is disposed on the side of the second optical substrate away from the second polarizing reflection film, and the second phase retardation film b is away from the second polarizing reflection film. Both one side of the second optical substrate and the side of the second phase retardation film a away from the second optical substrate are provided with the second antireflection optical film;

   Alternatively, the second phase retardation film b, the second polarizing reflection film, and the second phase retardation film a are sequentially disposed on a side of the second optical substrate away from the beam splitting module, and The second phase retardation film a has a side away from the second optical substrate and a side of the second optical substrate away from the second phase retardation film b, both of which are provided with the second antireflection optical film .
9. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 7, wherein the eighth optical lens comprises an eighth optical substrate, an eighth phase retardation film, and an eighth antireflection optical film, and The eighth phase retardation film is disposed on one side of the eighth optical substrate, the side of the eighth optical substrate away from the eighth phase retardation film and the eighth phase retardation film away from the The eighth antireflection optical film is provided on one side of the eighth optical substrate.
10. The binocular optical display system with multiplexed light sources folding light paths according to any one of claims 1-5, wherein the first optical module includes a second optical lens and a third reflector, and the first optical module includes a second optical lens and a third reflector. Two optical lenses are arranged on the optical path of the first outgoing light, the third mirror is arranged on the optical path of the transmitted light of the second optical lens, and the light reflected by the third mirror enters the second optical The lens is reflected again to form a third outgoing light. A second transmissive mirror is provided on the optical path between the beam splitting module and the second optical lens. The second optical module is arranged on the third outgoing light. On the light road.
11. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 10, wherein the second optical lens comprises a second optical substrate, a second polarizing reflection film, a second phase retardation film a, and a second optical lens. 2. Anti-reflection optical film;

    The second polarizing reflection film is disposed on the side of the second optical substrate away from the light splitting module, and the second phase retardation film a is disposed on the second polarizing reflection film away from the second The side of the optical substrate, the side of the second optical substrate away from the second polarizing reflection film and the side of the second phase retardation film a away from the second polarizing reflection film are both provided with The second antireflection optical film;

    Alternatively, the second phase retardation film a is disposed on the side of the second optical substrate close to the beam splitting module, and the second polarizing reflection film is disposed on the side far from the second phase retardation film a. One side of the second optical substrate, one side of the second optical substrate away from the second phase retardation film a, and one side of the second phase retardation film a away from the second optical substrate The second anti-reflection optical film is provided on both sides;

    Alternatively, the second polarizing reflection film is disposed on the side of the second optical substrate close to the beam splitting module, and the second phase retardation film a is disposed on the second optical substrate away from the The side of the second polarizing reflection film, the side of the second polarizing reflection film away from the second optical substrate and the side of the second phase retardation film a away from the second optical substrate are both The second antireflection optical film is provided.
12. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 10, wherein a third transmission mirror is provided on the optical path between the second optical lens and the third reflector, and/ Or a fourth transmission mirror is provided on the optical path between the second optical lens and the second optical module.
13. The binocular optical display system with multiplexed light source folding optical paths according to any one of claims 1-5, wherein the second optical module includes a third optical lens and a fourth optical lens, and the second optical module includes a third optical lens and a fourth optical lens. Three optical lenses are arranged on the light path of the first optical module, and the fourth optical lens is arranged on the reflected light path of the third optical lens;

    The third optical lens includes a third optical substrate, a third absorbing linear polarization film, a third polarization reflection film, a third phase retardation film, and a third antireflection optical film;

    The third absorption type linear polarizing film is disposed on the side of the third optical substrate close to the first optical module, and the third polarizing reflection film is disposed on the side of the third absorption type linear polarizing film. The side far from the third optical substrate, the third phase retardation film is disposed on the side of the third polarizing reflection film far away from the third optical substrate, and the third phase retardation film is far away The third antireflection optical film is provided on one side of the third polarizing reflection film and the side of the third optical substrate away from the third absorption linear polarizing film;

    Alternatively, the third absorbing linear polarizing film is disposed on the side of the third optical substrate away from the first optical module, and the third polarizing reflection film is disposed on the third optical substrate. A side away from the third absorbing linear polarizing film, the third phase retardation film is disposed on a side of the third polarizing reflection film away from the third optical substrate, the third phase retardation film The side far away from the third optical substrate and the side of the third absorbing linear polarizing film far away from the third optical substrate are both provided with the third antireflection optical film;

    Alternatively, the third polarizing reflection film is disposed on the side of the third optical substrate away from the first optical module, and the third absorption linear polarizing film is disposed on the side of the third polarizing reflection film. The side far from the third optical substrate, the third phase retardation film is arranged on the side of the third optical substrate far away from the third polarizing reflection film, and the third phase retardation film is far away Both one side of the third optical substrate and the side of the third absorbing linear polarizing film away from the third optical substrate are provided with the third antireflection optical film;

    Alternatively, the third phase retardation film is disposed on the side of the third optical substrate far away from the first optical module, and the third polarizing reflection film is disposed on the side far from the third phase retardation film. On one side of the third optical substrate, the third absorbing linear polarizing film is disposed on the side of the third polarizing reflection film away from the third optical substrate, and the third optical substrate is away from The third antireflection optical film is provided on one side of the third phase retardation film and the side of the third absorption linear polarizing film away from the third optical substrate.
14. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 13, wherein the fourth optical lens comprises a fourth optical substrate and a fourth optical substrate arranged in turn on the fourth optical substrate away from the The fourth compensation mirror, the fourth phase retardation film, the fourth linear polarization reflection film and the fourth antireflection optical film on the side of the third optical lens, the fourth optical substrate is close to the side of the third optical lens or A fourth partially transmissive and partially reflective film is also provided between the fourth optical substrate and the fourth compensation mirror.
15. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 2 or 3, wherein the third optical module includes a fifth optical lens, a ninth optical lens, and a fourth reflector. The ninth optical lens is arranged on the optical path of the second outgoing light, the fifth optical lens is arranged on the optical path of the transmitted light of the ninth optical lens, and the fourth mirror is arranged on the fifth optical On the optical path of the reflected light of the lens, the light reflected by the fourth reflector enters the fifth optical lens and then is transmitted out to form fourth emergent light. The fourth optical module is arranged on the optical path of the fourth emergent light ；

    The fifth optical lens includes a fifth optical substrate, a fifth polarizing reflection film, a fifth phase retardation film a, a fifth phase retardation film b, and a fifth antireflection optical film;

    The fifth polarizing reflection film and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the beam splitting module, and the fifth phase retardation film b is disposed on the first The side of the five optical substrate close to the light splitting module, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from the fifth polarizer The fifth antireflection optical film is provided on one side of the reflective film;

    Alternatively, the fifth phase retardation film b, the fifth polarizing reflection film, and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the spectroscopic module, and The fifth optical substrate is provided with the fifth antireflection optical film on the side far away from the fifth phase retardation film b and the side far away from the fifth phase retardation film of the fifth phase retardation film a ；

    Alternatively, the fifth polarizing reflection film and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth phase retardation film a is disposed on the side of the fifth optical substrate. The side of the fifth optical substrate away from the fifth polarizing reflection film, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from all The fifth antireflection optical film is provided on one side of the fifth polarizing reflection film;

    Alternatively, the fifth phase retardation film a, the fifth polarizing reflection film, and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth Both the side of the optical substrate away from the fifth phase retardation film a and the side of the fifth phase retardation film b away from the fifth optical substrate are provided with the fifth antireflection optical film.
16. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 15, wherein the ninth optical lens comprises a ninth optical substrate, a ninth phase retardation film, and a ninth antireflection optical film. The ninth phase retardation film is disposed on a side of the ninth optical substrate, a side of the ninth optical substrate away from the ninth phase retardation film and a side of the ninth phase retardation film away from the The ninth anti-reflection optical film is provided on one side of the ninth optical substrate.
17. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 2, wherein the third optical module includes a fifth optical lens and a fourth reflector, and the fifth optical lens is disposed at the On the optical path of the second outgoing light, the fourth reflector is arranged on the transmitted light optical path of the fifth optical lens, and the light reflected by the fourth reflector enters the fifth optical lens and is reflected again to form a second optical lens. Four outgoing lights, a fifth transmission mirror is arranged on the optical path between the beam splitting module and the fifth optical lens, and the fourth optical module is arranged on the optical path of the fourth outgoing light;

    The fifth optical lens includes a fifth optical substrate, a fifth polarizing reflection film, a fifth phase retardation film a, and a fifth antireflection optical film;

    The fifth polarizing reflection film is disposed on a side of the fifth optical substrate away from the light splitting module, and the fifth phase retardation film a is disposed on the fifth polarizing reflection film away from the fifth The side of the optical substrate, the side of the fifth optical substrate away from the fifth polarizing reflection film and the side of the fifth phase retardation film a away from the fifth polarizing reflection film are both provided with The fifth antireflection optical film;

    Alternatively, the fifth phase retardation film a is disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth polarizing reflection film is disposed far from the fifth phase retardation film a. One side of the fifth optical substrate, one side of the fifth optical substrate away from the fifth phase retardation film a, and one side of the fifth polarizing reflection film away from the fifth phase retardation film a The fifth anti-reflection optical film is provided on both sides;

    Alternatively, the fifth polarizing reflection film is disposed on the side of the fifth optical substrate close to the beam splitting module, and the fifth phase retardation film a is disposed on the fifth optical substrate away from the The side of the fifth polarizing reflection film, the side of the fifth polarizing reflection film away from the fifth optical substrate and the side of the fifth phase retardation film a away from the fifth optical substrate are both The fifth anti-reflection optical film is provided.
18. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 4, wherein the third optical module includes a fifth optical lens and a fourth reflector; the fifth optical lens is arranged at the On the optical path of the second outgoing light, the fourth reflector is arranged on the optical path of the reflected light of the fifth optical lens, and the light reflected by the fourth reflector enters the fifth optical lens and is transmitted out to form a first Four outgoing light; or, the fifth optical lens is arranged on the optical path of the second outgoing light, the fourth reflecting mirror is arranged on the optical path of the transmitted light of the fifth optical lens, and the fourth reflecting mirror The reflected light enters the fifth optical lens and is reflected again to form fourth emergent light; the fourth optical module is disposed on the optical path of the fourth emergent light; the light splitting module and the fifth optical lens There is a fifth transmission mirror on the optical path between;

    The fifth optical lens includes a fifth optical substrate, a fifth polarizing reflection film, a fifth phase retardation film a, a fifth phase retardation film b, and a fifth antireflection optical film;

    The fifth polarizing reflection film and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the beam splitting module, and the fifth phase retardation film b is disposed on the first The side of the five optical substrate close to the light splitting module, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from the fifth polarizer The fifth antireflection optical film is provided on one side of the reflective film;

    Alternatively, the fifth phase retardation film b, the fifth polarizing reflection film, and the fifth phase retardation film a are sequentially disposed on the side of the fifth optical substrate away from the spectroscopic module, and The fifth optical substrate is provided with the fifth antireflection optical film on the side far away from the fifth phase retardation film b and the side far away from the fifth phase retardation film of the fifth phase retardation film a ；

    Alternatively, the fifth polarizing reflection film and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth phase retardation film a is disposed on the side of the fifth optical substrate. The side of the fifth optical substrate away from the fifth polarizing reflection film, the side of the fifth phase retardation film a away from the fifth optical substrate, and the side of the fifth phase retardation film b away from all The fifth antireflection optical film is provided on one side of the fifth polarizing reflection film;

    Alternatively, the fifth phase retardation film a, the fifth polarizing reflection film, and the fifth phase retardation film b are sequentially disposed on the side of the fifth optical substrate close to the light splitting module, and the fifth Both the side of the optical substrate away from the fifth phase retardation film a and the side of the fifth phase retardation film b away from the fifth optical substrate are provided with the fifth antireflection optical film.
19. The binocular optical display system with multiplexed light source folding optical path according to claim 17 or 18, characterized in that: a sixth transmission mirror is provided on the optical path between the fifth optical lens and the fourth reflecting mirror, And/or a seventh transmission mirror is provided on the optical path between the fifth optical lens and the fourth optical module.
20. The binocular optical display system with multiplexed light sources folding optical paths according to any one of claims 1-5, wherein the fourth optical module includes a sixth optical lens and a seventh optical lens, and the first Six optical lenses are arranged on the optical path of the fourth outgoing light, and the seventh optical lens is arranged on the reflected light optical path of the sixth optical lens.
21. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 20, wherein the sixth optical lens comprises a sixth optical substrate, a sixth absorbing linear polarizing film, a sixth polarizing reflective film, The sixth phase retardation film and the sixth antireflection optical film;

    The sixth absorbing linear polarizing film, the sixth polarizing reflective film, and the sixth phase retardation film are sequentially disposed on the side of the sixth optical substrate close to the third optical module, and Both the side of the sixth optical substrate away from the third optical module and the side of the sixth phase retardation film away from the sixth polarizing reflection film are provided with the sixth antireflection optical film;

    Alternatively, the sixth absorbing linear polarizing film is arranged on the side of the sixth optical substrate away from the third optical module, and the sixth polarizing reflection film and the sixth phase retardation film are arranged in sequence On the side of the sixth optical substrate away from the sixth absorbing linear polarizing film, the side of the sixth absorbing linear polarizing film away from the sixth optical substrate and the sixth phase The sixth antireflection optical film is provided on the side of the retardation film away from the sixth polarizing reflection film;

    Alternatively, the sixth polarizing reflection film and the sixth absorbing linear polarizing film are sequentially disposed on the side of the sixth optical substrate away from the third optical module, and the sixth phase retardation film is disposed On the side of the sixth optical substrate away from the sixth polarizing reflection film, the side of the sixth absorbing linear polarizing film away from the sixth optical substrate and the sixth phase retardation film The side far away from the sixth polarizing reflection film is provided with the sixth antireflection optical film;

    Alternatively, the sixth phase retardation film, the sixth polarizing reflection film and the sixth absorbing linear polarizing film are sequentially arranged on the side of the sixth optical substrate away from the third optical module, Both the side of the sixth optical substrate away from the sixth phase retardation film and the side of the sixth absorbing linear polarizing film away from the sixth optical substrate are provided with the sixth antireflection film Optical film.
22. 22. The binocular optical display system with multiplexed light sources and folded optical paths according to claim 20, wherein the seventh optical lens comprises a seventh optical substrate and the seventh optical substrate arranged in turn on the seventh optical substrate away from the The seventh compensation mirror, the seventh phase retardation film, the seventh linear polarization reflection film and the seventh antireflection optical film on the side of the sixth optical lens, the seventh optical substrate is close to the side of the sixth optical lens or A seventh partially transmissive and partially reflective film is also provided between the seventh optical substrate and the seventh compensation mirror.
23. A wearable device, characterized in that it comprises a wearable component and the binocular optical display system with the multiplexed light source folded optical path according to any one of claims 1-22, and the binocular optical display with the multiplexed light source folded optical path The system is arranged on the wearing part.

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