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WO2019061653A1 - Appareil d'affichage portable et procédé de correction de vision - Google Patents

Appareil d'affichage portable et procédé de correction de vision Download PDF

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Publication number
WO2019061653A1
WO2019061653A1 PCT/CN2017/108687 CN2017108687W WO2019061653A1 WO 2019061653 A1 WO2019061653 A1 WO 2019061653A1 CN 2017108687 W CN2017108687 W CN 2017108687W WO 2019061653 A1 WO2019061653 A1 WO 2019061653A1
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WO
WIPO (PCT)
Prior art keywords
user
optical system
vision
display device
processor
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/CN2017/108687
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English (en)
Chinese (zh)
Inventor
徐向阳
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology 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 China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Publication of WO2019061653A1 publication Critical patent/WO2019061653A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H5/00—Exercisers for the eyes
    • 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

Definitions

  • the present invention relates to the field of virtual display technologies, and in particular, to a wearable display device having a vision correction function and a vision correction method.
  • wearable display devices with vision correction functions such as a head mounted display (HMD)
  • HMD head mounted display
  • near-eye display technology which mainly enlarges and projects images on the ultra-micro display through a set of optical systems.
  • the binocular parallax can bring the user an immersive three-dimensional (3D) experience.
  • the optical system of the prior art helmet display device is basically manually adjusted, and the user needs to manually adjust the optical parameters (such as focal length, curvature, etc.) of the optical system according to the state of vision of the user, and the user usually needs to repeat the number of times.
  • the present invention provides a new wearable display device, which can automatically adjust the optical parameters of the optical system according to the visual state of the user, and can be quickly and conveniently used even by users with visual defects. Wearable display device to perform vision correction during the experience of 3D wear display.
  • Embodiments of the present invention provide a wearable display device and a vision correction method, which can automatically adjust optical parameters of an optical system according to a user's vision state without manual adjustment by a user, even if Users with different vision defects can also view clear 3D images through the optical system, thereby performing vision correction during the experience of 3D wear display, solving the problems of the wearable display device in the prior art.
  • a first embodiment of the present invention provides a wearable display device, two display screens, an optometry module, an optical system, and a processor, the processor and two of the display screens and the optometry module.
  • the optical system is electrically connected; wherein the two display screens respectively correspond to a user's eyes setting for simultaneously displaying a 3D image, and the optometry module is configured to detect a binocular vision of the user, and the optical system is used for Projecting two 3D images displayed by the display screen to the eyes of the user, the processor is configured to acquire binocular vision detected by the optometry module, and automatically adjust optical of the optical system according to the binocular vision
  • the parameter is such that a user having different binocular vision acquires a 3D image having a predetermined sharpness through the optical system.
  • the wearable display device further comprises a memory, the memory pre-stored different correction programs for different vision states; the memory is connected to the processor, and the processor searches from the memory A correction program matching the current user's binocular vision is performed, and the optical parameters of the optical system are adjusted according to the correction procedure.
  • the two display screens are ultra-micro display screens.
  • the optical system comprises two lenses with adjustable curvature and a control circuit, each of the lenses is disposed corresponding to one of the display screens, and the processor is electrically connected to the control circuit and according to the eyes of the user Vision controls the control circuit to output a corresponding drive voltage to the lens to drive the lens to adjust to a curvature that matches the binocular vision of the user.
  • the optical system comprises two lenses, each of the lenses is arranged corresponding to a display screen, and the distance between the optical display and the display screen can be independently adjusted according to the binocular vision of the user. .
  • the optical system further includes a sliding mechanism, two of the lenses are mounted on the sliding mechanism, and the sliding mechanism drives the two lenses to slide relative to the display screen to adjust the lens and the corresponding The distance between the display screens.
  • the wearable display device further includes a main body, the optometry module, the optical system, the processor, and the memory are disposed in the main body, and the display screen is mounted on the main body so as to be The user views the 3D image.
  • the present invention also provides a vision correction method that is implemented by a wearable display device.
  • Current vision correction the vision correction methods include:
  • the optometry module detects the binocular vision of the user
  • the processor adjusts optical parameters of the optical system according to the detected binocular vision of the user
  • the optical system projects a 3D image displayed on the display screen to both eyes of the user.
  • the method further includes:
  • the memory is pre-stored with different correction procedures for different vision states.
  • the step of the processor adjusting the optical parameters of the optical system according to detecting the binocular vision of the user includes:
  • optical parameters of the optical system are adjusted based on the found corrective procedure.
  • the wearable display device and the vision correction method provided by the embodiments of the present invention automatically check the binocular vision of the user through the optometry module, and can automatically adjust the optical system according to the detected binocular vision. Therefore, users with different visual acuity can directly see the 3D image displayed by the display screen directly through the optical system without manual adjustment, thereby performing vision correction during the experience of 3D wearable display.
  • FIG. 1 is a structural block diagram of a wearable display device according to an embodiment of the present invention.
  • FIG. 2 is a flowchart of a vision correction method according to an embodiment of the present invention.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined.
  • the ground connection, or the integral connection may be a mechanical connection; it may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • Embodiments of the present invention provide a wearable display device capable of automatically adjusting optical parameters of an optical system according to a user's vision state without manual adjustment by a user, even if a user having different vision defects can pass
  • the optical system views a clear 3D image to perform vision correction during the experience of 3D wear display.
  • FIG. 1 is a structural block diagram of a wearable display device according to an embodiment of the present invention.
  • the wearable display device 100 includes two display screens 10, an optometry module 20, an optical system 30, and a processor 40, the processor 40 and the two display screens 10,
  • the optometry module 20 and the optical system 30 are electrically connected.
  • the two display screens 10 are respectively disposed corresponding to the eyes of the user (ie, the left eye and the right eye of the user) for simultaneously displaying a three dimensional (3D) image.
  • the optometry module 20 is configured to detect the binocular vision of the user.
  • the optical system 30 is configured to project a 3D image displayed by the display screen 10 to the eyes of the user.
  • the processor 40 is configured to obtain The binocular vision measured by the optometry module 20, and automatically adjusting optical parameters (eg, focal length, curvature, etc.) of the optical system 30 according to the binocular vision, so that users having different visions pass through the optical system 30
  • optical parameters eg, focal length, curvature, etc.
  • the wearable display device 100 provided by the embodiment of the present invention automatically checks the binocular vision of the user through the optometry module 20, and automatically adjusts the optical parameters of the optical system 30 according to the detected binocular vision. Users with different visual acuity need no manual adjustment, and the 3D image displayed by the display screen 10 can be clearly seen directly through the optical system 30, thereby performing vision correction and improving in the process of experiencing 3D wearable display. The user experience of the user.
  • the optometry module 20 verifies the binocular vision state of the user by detecting the curvature of the user's eyeball.
  • the optometry module 20 can detect the visual state of the user only when the user wears the wearable display device 100, and can detect the visual state of the user in real time or at a time, in the present invention. This is not specifically limited.
  • the wearable display device 100 further includes a memory 50 that pre-stores different correction programs for different vision states.
  • the memory 50 is further connected to the processor 40, and the processor 40 searches for the correction program matching the current user's binocular vision from the memory 50, and then adjusts the corresponding according to the correction program.
  • Optical parameters of optical system 30 In the present embodiment, the corresponding correction program is stored in advance by the memory 50 for different vision states of the user, and the processor 40 can dynamically adjust the correction program in real time by matching the current user's vision.
  • the optical parameters of the optical system 30 are described without the user's manual adjustment, which is quicker, more convenient, and more precise.
  • the two display screens 10 are both ultra-micro display screens.
  • the ultra-micro display screen can provide a display function for the wearable display device 100. Based on the characteristics of the ultra-micro display screen, the ultra-micro display screen can be compared with a common display screen. The weight of the display screen and the size occupied are greatly reduced, making the wearable display device 100 lighter and thinner, thereby improving the experience of the wearable display device 100.
  • the optical system 30 may be two, respectively corresponding to two of the display screens 10, and may independently adjust the visual acuity of the eyes of the user (left eye and right eye) respectively. . Therefore, even if the user's binocular vision is different, the user can clearly view the display of the display screen 10 by separately adjusting the optical system 30 corresponding to the left and right eyes of the user. 3D image.
  • the optical system 30 may be a lens with adjustable curvature, or a lens with adjustable distance from the display screen 10, and, in the present invention, not for the optical system 30.
  • the structure is specifically limited.
  • the optical system 30 can be two lenses with adjustable curvature, each of the lenses is respectively disposed corresponding to a display screen 10, and the processor 40 is separately adjusted according to the binocular vision of the user.
  • the curvature of the two lenses allows the user's eyes to clearly see the 3D image displayed by the display screen 10 by adjusting the curvature of the lens.
  • the lens with adjustable curvature is a liquid crystal lens
  • the optical system 30 includes a control circuit (not shown) for driving liquid crystal deflection in the liquid crystal lens to adjust The curvature of the liquid crystal lens.
  • the control circuit is connected to the processor 40, and different correction procedures are pre-stored corresponding to different vision states in the memory 50, and the correction program includes driving the liquid crystal lens The drive voltage required to preset the curvature.
  • the processor 40 matches a corresponding correction program according to the visual state of the user, and then reads a corresponding driving voltage from the correction program, and then controls the control circuit to output the driving voltage to the liquid crystal lens.
  • the liquid crystal lens can be driven to adjust the curvature matching the visual acuity of the user, and the user can clearly view the 3D image displayed by the display screen 10 through the liquid crystal lens.
  • the optical system 30 can be two lenses, each of which is respectively disposed corresponding to a display screen 10, and the distance between each lens and the corresponding display screen 10 can be independently adjusted.
  • the distance between the lens and the corresponding display screen 10 can be independently adjusted.
  • the user of different vision states can clearly view the 3D image displayed on the display screen 10 through the lens. . Therefore, even if the user's binocular vision is different, the user can clearly view the 3D image displayed by the display screen 10 by separately adjusting the lenses of the left and right eyes of the user.
  • the optical system further includes a sliding mechanism (not shown), wherein the two lenses are mounted on the sliding mechanism, and the two sliding mechanisms are respectively adjusted by the sliding mechanism. Corresponding to the distance between the display screens 10.
  • the processor 40 is connected to the sliding mechanism, and the memory
  • the spacing value between the lens and the display screen 10 is pre-stored corresponding to the different vision states in 50, the processor 40 matches the spacing value corresponding to the visual state of the user, and then controls the sliding mechanism to drive The lens moves until the distance between the lens and the corresponding display screen 10 reaches a matching value from the memory 50, and the user can clearly see the display screen 10 through the lens. 3D image.
  • the wearable display device 100 further includes a main body (not shown), the main body is convenient for the user to wear the wearable display device 100, and the optometry module 20, The optical system 30, the processor 40, and the memory 50 are all disposed within the main body, and the display screen 10 is mounted on a housing of the main body.
  • the wearable display device 100 of the embodiment of the invention can automatically detect the binocular vision state of the user, and automatically adjust the optical parameters of the optical system 30 according to the measured vision state, so that users with different vision states do not need to manually By adjusting the optical system 30, the 3D image displayed on the display screen 10 can be clearly viewed, thereby achieving vision correction during the enjoyment of the 3D wearing experience.
  • the wearable display device 100 has a simple structure, convenient operation, and more precise adjustment, thereby improving the user experience of the user.
  • FIG. 2 is a flowchart of a vision correction method according to an embodiment of the present invention.
  • the vision correction method includes the following steps:
  • the optometry module 20 detects the binocular vision of the user.
  • the visual acuity of the user is detected by the optometry module 20 to detect binocular vision.
  • S202 The processor 40 adjusts optical parameters of the optical system 30 according to the detected binocular vision of the user.
  • S203 The optical system 30 projects the 3D image displayed on the display screen 10 to the eyes of the user.
  • the vision correction method further includes the following steps before the step S201:
  • S200 The memory 50 pre-stores different correction programs for different vision states.
  • the step of the processor 40 adjusting the optical parameters of the optical system 30 according to the detected binocular vision of the user in the step S202 includes:
  • optical parameters of the optical system are adjusted based on the found corrective procedure.
  • the memory 50 stores different correction programs in advance for different vision states
  • the processor 40 can dynamically update the correction program matching the current user's binocular vision in real time. Adjusting the optical parameters of the optical system 30 such that the optical system 30 can clearly project the 3D image displayed by the display screen 10 onto the experiential eyes, so that users with different vision states do not need to manually
  • the adjustment can clearly view the 3D image, the use is faster and more convenient, and the adjustment is more precise, the user can realize the vision correction in the process of enjoying the 3D wear display, thereby improving the user experience.
  • the wearable display device 100 and the vision correction method of the present invention can automatically adjust the optical parameters of the optical system 30 according to the visual state of the user without manual adjustment by the user, even if there are users with different visual defects.
  • a clear 3D image is viewed through the optical system 30 to perform vision correction during the experience of 3D wear display.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
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Abstract

La présente invention concerne un appareil d'affichage portable (100) qui effectue une correction de vision. L'appareil d'affichage portable (100) comprend deux écrans d'affichage (10), un module de réfraction (20), un processeur (40) et un système optique (30). Le module de réfraction (20) détecte la vision binoculaire d'un utilisateur, et le processeur (40) règle ensuite automatiquement les paramètres optiques du système optique (30) de manière correspondante en fonction de la vision binoculaire, et l'utilisateur n'a pas besoin de le régler manuellement. Même les utilisateurs ayant des défauts visuels différents peuvent voir une image 3D claire à l'aide du système optique (30), portant ainsi la correction de vision lorsque l'utilisateur utilise un affichage portable 3D. Le procédé de correction de vision comprend : un module de réfraction (20) détectant la vision binoculaire d'un utilisateur ; un processeur (40) réglant les paramètres optiques d'un système optique (30) en fonction de la vision binoculaire détectée de l'utilisateur ; et le système optique (30) projetant une image 3D affichée sur un écran d'affichage (10) aux yeux de l'utilisateur.
PCT/CN2017/108687 2017-09-28 2017-10-31 Appareil d'affichage portable et procédé de correction de vision Ceased WO2019061653A1 (fr)

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CN201710896729.5A CN107582237A (zh) 2017-09-28 2017-09-28 可穿戴式显示装置及视力矫正方法
CN201710896729.5 2017-09-28

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CN108852767B (zh) * 2018-04-19 2021-02-19 浙江提视医疗科技有限公司 一种视力矫正辅助方法及系统
CN113079695B (zh) * 2019-11-05 2023-08-08 温州大学 一种利用光学刺激进行儿童视力矫正的仪器
CN110840720B (zh) * 2019-11-21 2021-07-06 赵成玉 一种视力训练系统
CN111281331B (zh) * 2020-04-02 2023-02-07 京东方科技集团股份有限公司 视力检测方法、装置及可穿戴显示设备
CN114594595B (zh) * 2020-12-03 2023-10-20 华为技术有限公司 眼镜的控制方法、控制装置和眼镜
CN112505930A (zh) * 2021-02-05 2021-03-16 宁波圻亿科技有限公司 一种光学矫正装置及穿戴装置
CN114442332A (zh) * 2022-04-11 2022-05-06 湖北工业大学 一种用于环境艺术模块化模拟的vr眼镜
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