WO2022141594A1 - 一种可叠加光路的目镜光学系统及头戴显示装置 - Google Patents

一种可叠加光路的目镜光学系统及头戴显示装置 Download PDF

Info

Publication number
WO2022141594A1
WO2022141594A1 PCT/CN2020/142550 CN2020142550W WO2022141594A1 WO 2022141594 A1 WO2022141594 A1 WO 2022141594A1 CN 2020142550 W CN2020142550 W CN 2020142550W WO 2022141594 A1 WO2022141594 A1 WO 2022141594A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
optical
optical path
micro
image display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/142550
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
郭健飞
曹鸿鹏
彭华军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Ned Optics Co Ltd
Original Assignee
Shenzhen Nade Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Nade Optical Co Ltd filed Critical Shenzhen Nade Optical Co Ltd
Priority to JP2023539795A priority Critical patent/JP7689764B2/ja
Priority to PCT/CN2020/142550 priority patent/WO2022141594A1/zh
Publication of WO2022141594A1 publication Critical patent/WO2022141594A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems

Definitions

  • the present invention relates to the field of optical technology, and more particularly, to an eyepiece optical system and a head-mounted display device capable of superimposing optical paths.
  • the technical problem to be solved by the present invention is that the existing optical systems are all fixed-focus optical systems, which are difficult to meet the needs of most consumers, and at the same time, the weight of the optical system is too heavy and the volume is too large.
  • An eyepiece optical system and a head-mounted display device that can superimpose optical paths.
  • the technical scheme adopted by the present invention to solve the technical problem is: constructing an eyepiece optical system that can superimpose optical paths, including an image plane, an auxiliary optical path, a beam splitter and a main optical path that are connected in sequence;
  • the optical axis of the auxiliary optical path is coincident;
  • the optical axis of the main optical path and the optical axis of the auxiliary optical path are perpendicular to each other;
  • the optical axis of the main optical path is reflected by the spectroscope and is transmitted through the spectroscope. superimpose;
  • the main optical path includes a first lens, a second lens and a third lens group sequentially arranged along the optical axis from the beam splitter to the micro-image display;
  • the first lens is a positive lens;
  • the second lens is a negative lens a lens;
  • the third lens group is a positive lens group;
  • the third lens group includes a third lens, a fourth lens and a fifth lens sequentially arranged along the optical axis direction from the beam splitter to the micro-image display;
  • the auxiliary optical path includes a sixth lens, a seventh lens and an eighth lens which are sequentially arranged along the optical axis direction from the image plane to the beam splitter;
  • the effective focal length of the optical system is set as F
  • the effective focal length of the main optical path is set as F 1
  • the effective focal length of the auxiliary optical path is set as F 2
  • F, F 1 , and F 2 satisfy the following relational formula (1) ,(2):
  • the effective focal length of the main optical path is F 1
  • the effective focal length of the auxiliary optical path is F 2
  • F 1 and F 2 satisfy the following relational formula (3):
  • the image height of the image plane is set to H
  • the image height of the micro-image display is set to h
  • H and h satisfy the following relational formula (4):
  • the light reflectivity of the spectroscope is set to ⁇
  • the transmittance of the spectroscope is n
  • ⁇ and n satisfy the following relational formula (5):
  • the included angle between the optical axes of the main optical path and the auxiliary optical path is set to ⁇ , and ⁇ satisfies the following relational formula (6):
  • the optical surface of the first lens on the side away from the micro-image display is concave toward the micro-image display, and the optical surface is spherical.
  • the optical surface of the second lens on the side close to the micro-image display is concave toward the direction of the micro-image display, and the optical surface is spherical.
  • the sixth lens is a negative lens; the seventh lens and the eighth lens are positive lenses.
  • optical surface of the sixth lens away from the image plane is cemented with the adjacent optical surface of the seventh lens.
  • the third lens is a biconvex lens; the optical surface of the fourth lens away from the side of the micro-image display is convex toward the direction of the micro-image display; the optical surface of the third lens close to the side of the micro-image display and the fourth lens Adjacent optical faces of the lens are cemented.
  • optical surface of the third lens close to the side of the micro-image display and the optical surface of the side away from the micro-image display are concave toward the micro-image display; the optical surface of the fourth lens away from the side of the micro-image display is concave toward the micro-image display. direction.
  • each lens in the beam splitter, the main optical path and the auxiliary optical path are all optical glass materials.
  • the present invention also provides a head-mounted display device, including a miniature image display, an object shape observation camera device, and the eyepiece optical system according to any one of the foregoing.
  • the miniature image display includes an organic electroluminescence light-emitting device, a transmissive liquid crystal display or a reflective liquid crystal display.
  • the object shape observation imaging device includes but is not limited to a microscope or a telescope.
  • the beneficial effects of the present invention are: superimposing the imaging light by means of semi-transmission and semi-reflection, the optical axis of the main optical path is reflected by the spectroscope and the optical axis of the auxiliary optical path projected by the spectroscope is superimposed, and the image displayed on the miniature image display is displayed.
  • the image of the object shape observation camera is superimposed and displayed with the real image captured by the camera equipment.
  • Fig. 1 is the optical path diagram of the eyepiece optical system of the first embodiment of the present invention
  • FIG. 2a is a field curvature diagram of the eyepiece optical system according to the first embodiment of the present invention
  • FIG. 2b is a distortion curve diagram of the eyepiece optical system according to the first embodiment of the present invention
  • FIG. 3 is a schematic diagram of a diffused spot array of an eyepiece optical system according to the first embodiment of the present invention
  • FIG. 4 is a schematic diagram of the optical transfer function MTF of the eyepiece optical system according to the first embodiment of the present invention.
  • Fig. 5 is the optical path diagram of the eyepiece optical system of the second embodiment of the present invention.
  • FIG. 6a is a field curvature diagram of the eyepiece optical system according to the second embodiment of the present invention
  • FIG. 6b is a distortion curve diagram of the eyepiece optical system according to the second embodiment of the present invention
  • FIG. 7 is a schematic diagram of a speckle array of an eyepiece optical system according to a second embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the optical transfer function MTF of the eyepiece optical system according to the second embodiment of the present invention.
  • Fig. 9 is the optical path diagram of the eyepiece optical system of the third embodiment of the present invention.
  • FIG. 10a is a field curvature diagram of the eyepiece optical system according to the third embodiment of the present invention
  • FIG. 10b is a distortion curve diagram of the eyepiece optical system according to the third embodiment of the present invention
  • FIG. 11 is a schematic diagram of a diffused spot array of an eyepiece optical system according to a third embodiment of the present invention.
  • FIG. 12 is a schematic diagram of the optical transfer function MTF of the eyepiece optical system according to the third embodiment of the present invention.
  • the invention constructs an eyepiece optical system capable of superimposing optical paths, including an image plane, an auxiliary optical path, a beam splitter and a main optical path connected in sequence; the optical axis of the image plane coincides with the optical axis of the auxiliary optical path; the optical axis of the main optical path and the auxiliary optical path The optical axes of the optical paths are perpendicular to each other; the optical axis of the main optical path is reflected by the spectroscope and superimposed with the auxiliary optical path transmitted by the spectroscope;
  • the main optical path includes a first lens, a second lens and a third lens group arranged in sequence along the optical axis direction from the beam splitter to the micro-image display;
  • the first lens is a positive lens;
  • the second lens is a negative lens;
  • the third lens group is a positive lens a lens group;
  • the third lens group includes a third lens, a fourth lens and a fifth lens that are sequentially arranged along the optical axis direction from the beam splitter to the micro-image display;
  • the auxiliary optical path includes a sixth lens, a seventh lens and an eighth lens which are sequentially arranged along the optical axis direction from the image plane to the beam splitter;
  • the effective focal length of the optical system is set as F
  • the effective focal length of the main optical path is set as F 1
  • the effective focal length of the auxiliary optical path is set as F 2
  • F, F 1 and F 2 satisfy the following relational expressions (1) and (2):
  • F 1 /F can be 0.558, 0.7, 0.81, 0.833, 0.954, 1.12, 1.32, 1.57, 1.822, etc.
  • F t /F can be 2.265, 2.34, 2.57, 2.67, 2.89, 3.11, 3.32, .3.493, etc.
  • the value ranges of F 1 /F and F t /F in the above relations (1) and (2) are closely related to the correction of system aberration, the processing difficulty of optical components, and the sensitivity of optical component assembly deviation.
  • the value of F 1 /F is greater than -0.558, so that the system aberration can be fully corrected, so as to achieve high-quality optical effects, and the value of F 1 /F is less than 1.822, which improves the machinability of the optical elements in the system;
  • the value of F t /F in (2) is greater than 2.265, which improves the machinability of the optical elements in the system, and the value of F t /F is less than 3.493, so that the system aberration can be fully corrected, thereby achieving better optical effects.
  • the above-mentioned embodiment adopts the characteristics of the spectroscope, in which the optical axis of the main optical path is superimposed with the optical axis of the auxiliary optical path projected by the spectroscope after being reflected by the spectroscope, and the image displayed by the miniature image display is observed with the shape of the object.
  • the real images captured by the camera equipment are superimposed and displayed.
  • the effective focal length of the main optical path is F 1
  • the effective focal length of the auxiliary optical path is F 2
  • F 1 and F 2 satisfy the following relational formula (3):
  • F t /F 1 can be 1.413, 1.512, 1.784, 1.95, 2.111, 2.135, 3.12, 3.354, 3.785, 3.987, 4.12, 4.63 and so on.
  • the image height of the image plane is set to H
  • the image height of the micro-image display is set to h
  • H and h satisfy the following relational expression (4):
  • h/H can be 0.346, 0.461, 0.478, 0.557, 0.578, 0.613, 0.655, 0.689, 0.716 and so on.
  • the light reflectivity of the spectroscope is set to ⁇
  • the transmittance of the spectroscope is n
  • ⁇ and n satisfy the following relational formula (5):
  • ⁇ +n can be 80%, 85%, 88.5%, 89.1%, 91.2%, 99%, 100%, etc.
  • the included angle of the optical axis of the main optical path and the auxiliary optical path is set to ⁇ , and ⁇ satisfies the following relational formula (6):
  • the optical surface of the first lens on the side away from the micro-image display is concave toward the micro-image display, and the optical surface is spherical.
  • the optical surface of the second lens on the side close to the micro-image display is concave toward the micro-image display, and the optical surface is spherical.
  • Aberrations such as astigmatism and field curvature of the system are further improved, which is beneficial for the eyepiece system to achieve high-resolution optical effects with uniform image quality across the entire frame.
  • the sixth lens is a negative lens; the seventh lens and the eighth lens are positive lenses.
  • the optical surface of the sixth lens away from the image plane is cemented with the adjacent optical surface of the seventh lens.
  • the third lens is a biconvex lens; the optical surface of the fourth lens on the side away from the micro-image display is convex toward the micro-image display; the optical surface of the third lens on the side close to the micro-image display is adjacent to the fourth lens Optical face glued.
  • the optical surface of the third lens on the side close to the micro-image display and the optical surface on the side away from the micro-image display are both concave toward the micro-image display; the optical surface of the fourth lens on the side away from the micro-image display is concave toward the micro-image display direction.
  • the base material of each lens in the beam splitter, the main optical path and the auxiliary optical path is made of optical glass.
  • the aberrations of all levels of the eyepiece optical system are fully corrected, and the manufacturing cost of the optical element and the weight of the optical system are also controlled.
  • the calculation formula of the aspheric surface type is:
  • z is the sag of the optical surface
  • c is the curvature at the vertex of the aspheric surface
  • k is the aspheric coefficient
  • ⁇ 2, 4, 6... are the coefficients of each order
  • r is the distance coordinate from the point on the surface to the optical axis of the lens system.
  • the aberrations of the optical system are fully corrected, which is beneficial for the eyepiece optical system to achieve a large field of view .
  • the image quality of the central field of view and the edge of the field of view is further improved, the difference between the image quality of the central field of view and the edge of the field of view is reduced, and a more uniform image quality and low distortion are achieved.
  • FIG. 1 it includes an image plane 103, an auxiliary optical path T, a beam splitter 101 and a main optical path A that are connected in sequence; the optical axis of the image plane 103 coincides with the optical axis of the auxiliary optical path T The optical axis of the main optical path A and the optical axis of the auxiliary optical path T are perpendicular to each other; the optical axis of the main optical path A is reflected by the spectroscope 101 and superimposed with the auxiliary optical path T transmitted by the spectroscope 101 ;
  • the main optical path A includes a first lens 111, a second lens 112, a third lens 113, a fourth lens 114, and a fifth lens 115 that are sequentially arranged along the optical axis direction from the beam splitter 101 to the micro-image display 102;
  • the first lens 111 is a positive lens; the second lens 112 is a negative lens; the auxiliary optical path T includes the fourth lens 109,
  • the light emitted by the micro image display 102 passes through the fifth lens 115 , the fourth lens 114 , the third lens 113 , the second lens 112 and the first lens 111 in sequence, and then is reflected by the beam splitter 101 .
  • the light emitted by the object shape observation imaging device 110 is transmitted through the spectroscope 101, superimposed with the light of the micro-image display 102 reflected by the spectroscope 101, and passes through the sixth lens 107, the fifth lens 108 and the fourth lens 109 in sequence, and reaches Image plane 103.
  • the eyepiece design data of the first embodiment are shown in Table 1 below:
  • FIG. 1 is a 2D structural diagram of the eyepiece optical system of the first embodiment, including an image plane 103, an auxiliary optical path T, a beam splitter 101 and a main optical path A that are connected in sequence; the optical axis of the image plane 103 and the auxiliary optical path The optical axes of T coincide; the optical axis of the main optical path A and the optical axis of the auxiliary optical path T are perpendicular to each other; the optical axis of the main optical path A is reflected by the spectroscope 101 and transmitted through the spectroscope 101
  • the auxiliary optical paths T are superimposed;
  • the main optical path A includes a first lens 111, a second lens 112, a third lens 113, a fourth lens 114 and a first lens 111, a second lens 112, a third lens 113, a fourth lens 114 and The fifth lens 115;
  • the first lens 111 is a positive lens;
  • the second lens 112 is a negative lens;
  • the optical surface of the first lens 111 on the side away from the micro-image display 102 is concave in the direction of the micro-image display 102, and the optical surface is an even-order aspheric surface; the optical surface of the second lens 112 on the side close to the micro-image display 102 is concave Micro-image display 102, and the optical surface is spherical.
  • the base of the optical lens and beam splitter 101 of the optical system is made of optical glass, wherein the focal length F of the optical system is 79.47mm, the focal length F1 of the main optical path A is 100.62mm, the focal length Ft of the auxiliary optical path T is 180mm, and the image plane 103 has an image height H is 23 mm, and the image height of the micro-image display 102 is 8 mm, so F1/F is 1.267, Ft/F is 2.265, Ft/F1 is 1.789, and h/H is 0.348.
  • Fig. 2a, Fig. 2b, Fig. 3, Fig. 4 are the field curvature diagram, the distortion curve diagram, the scattered spot array diagram and the optical transfer function MTF diagram of the optical system, respectively, reflecting that the light of each field of view in this embodiment is
  • the unit pixel of the image plane (display device I) has high resolution and small optical field curvature distortion, the resolution per 10mm per unit period reaches more than 0.8, and the optical system aberration is well corrected. Through the eyepiece optical system Uniform, high optical performance display images can be observed.
  • the eyepiece design data of the second embodiment are shown in Table 2 below:
  • FIG. 5 is a 2D structural diagram of the eyepiece optical system of the second embodiment, including an image plane 103, an auxiliary optical path T, a beam splitter 101 and a main optical path A that are connected in sequence; the optical axis of the image plane 103 and the auxiliary optical path The optical axes of T coincide; the optical axis of the main optical path A and the optical axis of the auxiliary optical path T are perpendicular to each other; the optical axis of the main optical path A is reflected by the spectroscope 101 and transmitted through the spectroscope 101
  • the auxiliary optical paths T are superimposed;
  • the main optical path A includes a first lens 111, a second lens 112, a third lens 113, a fourth lens 114 and a first lens 111, a second lens 112, a third lens 113, a fourth lens 114 and The fifth lens 115;
  • the first lens 111 is a positive lens;
  • the second lens 112 is a negative lens;
  • the optical surface of the first lens 111 on the side away from the micro-image display 102 is concave in the direction of the micro-image display 102, and the optical surface is an even-order aspheric surface; the optical surface of the second lens 112 on the side close to the micro-image display 102 is concave The direction of the micro-image display 102, and the optical surface is spherical.
  • the base of the optical lens and beam splitter 101 of the optical system is made of optical glass, wherein the focal length F of the optical system is 77.48mm, the focal length F1 of the main optical path A is 100.22mm, the focal length Ft of the auxiliary optical path T is 180mm, and the image plane 103 has an image height H is 16.2 mm, and the image height of the micro-image display 102 is 6 mm, so F1/F is 1.29, Ft/F is 2.32, Ft/F1 is 1.80, and h/H is 0.37.
  • Fig. 6a, Fig. 6b, Fig. 7, Fig. 8 are the field curvature diagram, the distortion curve diagram, the scattered spot array diagram and the optical transfer function MTF diagram of the optical system, respectively, reflecting the light of each field of view of this embodiment
  • the unit pixel of the image plane display device I
  • there is a very high resolution and a small optical field curvature distortion the resolution per 20mm per unit period reaches 0.9 or more, and the optical system aberration is well corrected.
  • the system observes a uniform, high optical performance display image.
  • the eyepiece design data of the third embodiment are shown in Table 3 below:
  • FIG. 9 is a 2D structural diagram of the eyepiece optical system of the third embodiment, including an image plane 103, an auxiliary optical path T, a beam splitter 101 and a main optical path A that are connected in sequence; the optical axis of the image plane 103 and the auxiliary optical path The optical axes of T coincide; the optical axis of the main optical path A and the optical axis of the auxiliary optical path T are perpendicular to each other; the optical axis of the main optical path A is reflected by the spectroscope 101 and transmitted through the spectroscope 101
  • the auxiliary optical paths T are superimposed;
  • the main optical path A includes a first lens 111, a second lens 112, a third lens 113, a fourth lens 114 and a first lens 111, a second lens 112, a third lens 113, a fourth lens 114 and The fifth lens 115;
  • the first lens 111 is a positive lens;
  • the second lens 112 is a negative lens;
  • the optical surface of the first lens 111 on the side away from the micro-display screen is concave to the micro-image display 102, and the optical surface is an even-order aspherical surface; the optical surface of the second lens 112 on the side of the micro-image display 102 is concave to the micro-image display Display 102, and the optical surface is spherical.
  • the base of the optical lens and beam splitter 101 of the optical system is made of optical glass, wherein the focal length F of the optical system is 65.17mm, the focal length F1 of the main optical path A is 107.96mm, the focal length Ft of the auxiliary optical path T is 180mm, and the image plane 103 has an image height H is 23.5 mm, and the image height of the micro-image display 102 is 16.2 mm, so F1/F is 1.65, Ft/F is 2.76, Ft/F1 is 1.67, and h/H is 0.69.
  • Fig. 10a, Fig. 10b, Fig. 11, Fig. 12 are the field curvature diagram, the distortion curve diagram, the scattered spot array diagram and the optical transfer function MTF diagram of the optical system, respectively, reflecting the light of each field of view of this embodiment
  • the unit pixel of the image plane display device I
  • there is a very high resolution and a small optical field curvature distortion the resolution per 20mm per unit period reaches 0.9 or more, and the optical system aberration is well corrected.
  • the system observes a uniform, high optical performance display image.
  • the present invention also provides a head-mounted display device, including a miniature image display, an object shape observation camera device, and an eyepiece optical system according to any one of the foregoing.
  • the miniature image display comprises an organic electroluminescent light emitting device, a transmissive liquid crystal display or a reflective liquid crystal display.
  • the object shape observation imaging device includes but is not limited to a microscope or a telescope.
  • the above-mentioned head-mounted display device adopts an eyepiece optical system that can superimpose optical paths.
  • the system uses a transflective method to superimpose the imaging light rays.
  • the optical axis of the main optical path is reflected by the spectroscope and the auxiliary optical path projected by the spectroscope.
  • the superposition of the optical axis of the micro-image display and the real image captured by the object shape observation camera equipment are superimposed and displayed, and the high-definition coincidence is achieved through the combination of positive, negative and positive lenses and the characteristic relationship between the optical components.
  • High-efficiency, clearer imaging, less distortion, and high imaging quality make the imaging of the miniature image display and the double-optical path imaging overlap more perfect and realistic.
  • the user can explain, analyze and process the images of the optical instrument through the multiple imaging overlay display, so that people who are not proficient in the optical instrument can make a better judgment on the operation.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
PCT/CN2020/142550 2020-12-31 2020-12-31 一种可叠加光路的目镜光学系统及头戴显示装置 Ceased WO2022141594A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023539795A JP7689764B2 (ja) 2020-12-31 2020-12-31 光路を重ね合せることができる接眼レンズ光学システム及び表示装置
PCT/CN2020/142550 WO2022141594A1 (zh) 2020-12-31 2020-12-31 一种可叠加光路的目镜光学系统及头戴显示装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/142550 WO2022141594A1 (zh) 2020-12-31 2020-12-31 一种可叠加光路的目镜光学系统及头戴显示装置

Publications (1)

Publication Number Publication Date
WO2022141594A1 true WO2022141594A1 (zh) 2022-07-07

Family

ID=82258938

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/142550 Ceased WO2022141594A1 (zh) 2020-12-31 2020-12-31 一种可叠加光路的目镜光学系统及头戴显示装置

Country Status (2)

Country Link
JP (1) JP7689764B2 (https=)
WO (1) WO2022141594A1 (https=)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8149403B2 (en) * 2008-02-22 2012-04-03 Olympus Corporation Optical equipment having wavelength-independent optical path division element
CN106338830A (zh) * 2016-08-31 2017-01-18 深圳超多维科技有限公司 图像显示装置及头戴式显示设备
CN106338831A (zh) * 2016-08-31 2017-01-18 深圳超多维科技有限公司 图像显示装置及头戴式显示设备
CN109188692A (zh) * 2018-09-21 2019-01-11 歌尔智能科技有限公司 光学系统及头戴显示设备
CN111474723A (zh) * 2020-05-09 2020-07-31 Oppo广东移动通信有限公司 显示光学系统及头戴显示设备
CN112666712A (zh) * 2020-12-31 2021-04-16 深圳纳德光学有限公司 一种可叠加光路的目镜光学系统及头戴显示装置
CN213934406U (zh) * 2020-12-31 2021-08-10 深圳纳德光学有限公司 一种可叠加光路的目镜光学系统及头戴显示装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08313814A (ja) * 1995-05-18 1996-11-29 Olympus Optical Co Ltd 顕微鏡用対物レンズ
WO2016127088A1 (en) * 2015-02-06 2016-08-11 Duke University Stereoscopic display systems and methods for displaying surgical data and information in a surgical microscope

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8149403B2 (en) * 2008-02-22 2012-04-03 Olympus Corporation Optical equipment having wavelength-independent optical path division element
CN106338830A (zh) * 2016-08-31 2017-01-18 深圳超多维科技有限公司 图像显示装置及头戴式显示设备
CN106338831A (zh) * 2016-08-31 2017-01-18 深圳超多维科技有限公司 图像显示装置及头戴式显示设备
CN109188692A (zh) * 2018-09-21 2019-01-11 歌尔智能科技有限公司 光学系统及头戴显示设备
CN111474723A (zh) * 2020-05-09 2020-07-31 Oppo广东移动通信有限公司 显示光学系统及头戴显示设备
CN112666712A (zh) * 2020-12-31 2021-04-16 深圳纳德光学有限公司 一种可叠加光路的目镜光学系统及头戴显示装置
CN213934406U (zh) * 2020-12-31 2021-08-10 深圳纳德光学有限公司 一种可叠加光路的目镜光学系统及头戴显示装置

Also Published As

Publication number Publication date
JP2024502955A (ja) 2024-01-24
JP7689764B2 (ja) 2025-06-09

Similar Documents

Publication Publication Date Title
CN108474946B (zh) 用于近眼显示的目镜光学系统及头戴显示装置
CN108604007B (zh) 用于近眼显示的目镜光学系统及头戴显示装置
CN112630976B (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN112630978B (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN119126391A (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN112630977A (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN214011639U (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN213934403U (zh) 一种大视场角的目镜光学系统及头戴显示装置
JPWO2017022670A1 (ja) 接眼光学系および電子ビューファインダー
CN213934402U (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN108463761B (zh) 用于近眼显示的目镜光学系统及头戴显示装置
CN112731666B (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN108463762B (zh) 用于近眼显示的目镜光学系统及头戴显示装置
CN213934406U (zh) 一种可叠加光路的目镜光学系统及头戴显示装置
CN112630979B (zh) 一种可叠加光路的目镜光学系统及头戴显示装置
CN213934405U (zh) 一种可叠加光路的目镜光学系统及头戴显示装置
CN213934400U (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN213934399U (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN112630975B (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN213934404U (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN213934401U (zh) 一种大视场角的目镜光学系统及头戴显示装置
US12546988B2 (en) Optical eyepiece system capable of superimposing optical paths and head-mounted display device
WO2022141385A1 (zh) 一种大视场角的目镜光学系统及头戴显示装置
WO2022141383A1 (zh) 一种大视场角的目镜光学系统及头戴显示装置
CN112666712B (zh) 一种可叠加光路的目镜光学系统及头戴显示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20967932

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023539795

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20967932

Country of ref document: EP

Kind code of ref document: A1