WO2023284604A1 - 头戴式显示装置 - Google Patents

头戴式显示装置 Download PDF

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Publication number
WO2023284604A1
WO2023284604A1 PCT/CN2022/104083 CN2022104083W WO2023284604A1 WO 2023284604 A1 WO2023284604 A1 WO 2023284604A1 CN 2022104083 W CN2022104083 W CN 2022104083W WO 2023284604 A1 WO2023284604 A1 WO 2023284604A1
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WO
WIPO (PCT)
Prior art keywords
lens barrel
support member
head
display device
mounted display
Prior art date
Application number
PCT/CN2022/104083
Other languages
English (en)
French (fr)
Inventor
刘玉红
彭金豹
訾峰
马占山
陈丽莉
Original Assignee
京东方科技集团股份有限公司
北京京东方光电科技有限公司
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.)
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Publication date
Application filed by 京东方科技集团股份有限公司, 北京京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US18/281,305 priority Critical patent/US20240151980A1/en
Publication of WO2023284604A1 publication Critical patent/WO2023284604A1/zh

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    • 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
    • G02B27/017—Head mounted
    • G02B27/0176—Head mounted characterised by mechanical features
    • 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
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
    • 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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0154—Head-up displays characterised by mechanical features with movable elements
    • G02B2027/0159—Head-up displays characterised by mechanical features with movable elements with mechanical means other than scaning means for positioning the whole image
    • 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
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type

Definitions

  • Embodiments of the present disclosure relate to but are not limited to the field of display technology, and specifically relate to a head-mounted display device.
  • the distance from the screen to the optical lens is basically fixed, so the image distance is fixed when the user wears the AR glasses.
  • the content presented by the AR glasses will be Unable to see clearly, most of the current methods are to place an adaptable myopia lens in front of the AR glasses. However, this gives people the feeling of wearing two glasses, and it will also increase the cumbersome appearance of the AR glasses.
  • An embodiment of the present disclosure provides a head-mounted display device, including a bracket, a lens barrel assembly disposed on the bracket, and an adjustment device;
  • the lens barrel assembly includes a lens barrel, a display module disposed in the lens barrel group and an optical lens group arranged at one end of the lens barrel, the optical lens group includes at least one optical lens;
  • the support member fixedly connected to the display module, and the transmission device, the transmission device is configured to be able to drive the support member to perform reciprocating linear motion under the drive of the drive device, so that the display module is close to or far away from The optical lens group.
  • FIG. 1 is a schematic cross-sectional structure diagram of a head-mounted display device in some exemplary embodiments
  • FIG. 2 is a schematic diagram of a three-dimensional structure of the head-mounted display device in FIG. 1;
  • FIG. 3 is a schematic diagram of an exploded structure of the head-mounted display device in FIG. 1;
  • FIG. 4 is a schematic structural diagram of a cylinder body of a lens barrel of the head-mounted display device of FIG. 1;
  • FIG. 5 is a schematic structural view of a cover plate of a lens barrel of the head-mounted display device of FIG. 1;
  • FIG. 6 is a schematic structural diagram of a support member of the head-mounted display device of FIG. 1;
  • FIG. 7 is a schematic structural diagram of a second gear and a gear shaft of the head-mounted display device of FIG. 1;
  • Fig. 8 is a schematic cross-sectional structure diagram of a head-mounted display device in some other exemplary embodiments.
  • FIG. 9 is a schematic perspective view of the three-dimensional structure of the head-mounted display device in FIG. 8;
  • FIG. 10 is a schematic diagram of the assembly structure of the screw, the nut and the driving device of the head-mounted display device in FIG. 8 .
  • FIG. 2 is a schematic diagram of a three-dimensional structure of the head-mounted display device in FIG. 1
  • FIG. 3 is a schematic diagram of an exploded structure of the head-mounted display device in FIG. 1 .
  • the head-mounted display device includes a bracket, a lens barrel assembly arranged on the bracket (for example, the lens barrel assembly includes a first lens barrel assembly 10 and a second lens barrel assembly 20), and an adjustment device;
  • the lens barrel assembly includes a lens barrel, a display module 2 arranged in the lens barrel and an optical lens group arranged at one end of the lens barrel, the optical lens group includes at least one optical lens 1;
  • the adjusting device includes The driving device 5-4 arranged on the bracket, the support member 5-3 arranged in the lens barrel and fixedly connected with the display module 2, and the transmission device, the transmission device is arranged in the Driven by the driving device 5-4, the support member 5-3 can be driven to make a reciprocating linear motion, so that the display module 2 approaches or moves away from the optical lens group.
  • the adjustment device provided can make the display module 2 of the lens barrel assembly close to or away from the optical lens group, so that the distance between the display module 2 and the optical lens group can be adjusted (ie Object distance), which can be suitable for users with different degrees of myopia, so that users with different degrees of myopia can clearly see the images presented by the display module 2.
  • the head-mounted display device in the embodiment of the present disclosure may be AR/VR glasses or the like.
  • FIG. 6 is a schematic structural view of the support of the head-mounted display device in FIG.
  • the transmission device may include a first gear 5-1 fixedly connected to the rotation output shaft of the drive device 5-4 and a first gear 5-1 fixedly connected to the first gear 5-1.
  • the gear shaft 5-2-1 of the second gear 5-2 may include a threaded portion 5-2-2, and the threaded portion 5-2-2 is connected with the threaded hole 5-2 provided on the support member 5-3.
  • 3-2 (shown in FIG. 6 ) threaded connection;
  • the lens barrel is provided with a first guide part, and the support member 5-3 is also provided with a first sliding part slidingly fitted with the first guide part.
  • the threaded portion 5-2-2 drives the support member 5-3 to move linearly.
  • the rotation output shaft of the drive device 5-4 rotates forward, it can drive the support member 5-3 to move linearly in the first direction; if the rotation output shaft of the drive device 5-4 is reversed, it can drive the support member 5-3. 3 linearly move in the opposite direction to the first direction, so that the reciprocating linear motion of the support member 5-3 can be realized, so that the display module 2 can be moved closer to or away from the optical lens group, so that the distance between the display module 2 and the optical lens group The distance can be adjusted.
  • the rotation output shaft of the driving device 5-4 and the gear shaft 5-2-1 of the second gear 5-2 may be arranged in parallel.
  • the rotation output shaft of the driving device 5-4 and the gear shaft 5-2-1 of the second gear 5-2 may both be arranged along the first direction.
  • Described driving device 5-4 can be motor, such as can be stepper motor or servo motor etc.
  • the first guide part may include a guide post provided on the lens barrel, and the first sliding part may include a guide hole slidingly fitted with the guide post.
  • the lens barrel may include a cylinder body 3 and a cover plate 4 provided at the first end 3-1 of the cylinder body 3 , and the second end of the cylinder body 3 The end 3-2 may be provided with said optical lens group.
  • Figure 5 is a schematic structural view of the cover plate of the lens barrel of the head-mounted display device in Figure 1, and the inner side of the cover plate 4 may be provided with one or more (in this example) There are two) guide posts 4-3, the guide posts 4-3 can be arranged parallel to the gear shaft 5-2-1 of the second gear 5-2, and the support member 5-3 can be provided with 4-3 slide fit guide hole 5-3-3.
  • the lens barrel assembly includes a first lens barrel assembly 10 and a second lens barrel assembly 20, and the support 5-3 includes a The first support member 6-1 in the lens barrel of a lens barrel assembly 10 and the second support member 6-2 arranged in the lens barrel of the second lens barrel assembly 20; the second gear 5-2 is set One of the two second gears 5-2 is connected to the first support 6-1, and the other of the two second gears 5-2 is connected to the second support 6-2 connection.
  • the gear shafts 5-2-1 of the two second gears 5-2 and the rotation output shaft of the driving device 5-4 may be arranged parallel to each other.
  • the two second gears 5-2 are meshed with the first gear 5-1 and are respectively located on both sides of the first gear 5-1.
  • the first gear 5-1 rotates
  • the first gear 5-1 drives the two second gears 5-2 to rotate
  • the two second gears 5-2 respectively drive
  • the first support member 6 - 1 and the second support member 6 - 2 move linearly, thereby the distance between the display module 2 and the optical lens group in the first lens barrel assembly 10 and the second lens barrel assembly 20 can be adjusted.
  • the lens barrel may be provided with a first limiting portion and a second limiting portion, and the first limiting portion is configured to move to a limit position when the support member moves along the first direction. abuts against the support member when the support member moves to a limit position in the direction opposite to the first direction, and the second limiting portion is configured to abut against the support member when the support member moves to a limit position in a direction opposite to the first direction.
  • FIG. 4 is a schematic structural view of the lens barrel of the head-mounted display device in FIG. 1, and FIG. Schematic diagram of the structure of the cover plate of the lens barrel of the display device, the lens barrel includes a barrel body 3 and a cover plate 4 arranged at the first end 3-1 of the barrel body 3, and the second end 3 of the barrel body 3 -2 is provided with said optical lens group.
  • the outer wall of the cylinder 3 may be provided with at least one (three in this example) fixing columns 3-4
  • the cover plate 4 may be provided with at least one fixing hole 4-4
  • the fixing hole 4 - 4 can be connected by screws to connect the cover plate 4 with the cylinder body 3 .
  • the cover plate 4 may be the first limiting part, and the second limiting part may be the baffle 3 - 3 provided on the inner wall of the barrel 3 .
  • the first limiting part and the second limiting part may be structures such as blocks provided on the inner wall of the lens barrel.
  • the display module 2 and the support member 5-3 may be disposed on the side of the bezel 3-3 facing the cover 4, so The optical lens group is arranged on a side of the baffle 3 - 3 away from the cover 4 .
  • the support 5-3 may include a plate-shaped body, and one side of the plate-shaped body (such as the side facing the baffle 3-3) may be provided with a fixing groove 5-3-1, The display module 2 is fixed (such as bonded) in the fixing groove 5-3-1, and the display side of the display module 2 faces the optical lens group.
  • the display module 2 may include a display panel and a flexible circuit board connected to the display panel, the first end of the flexible circuit board is connected to the display panel, and the second end of the flexible circuit board may face the side where the cover plate 4 is located. Bending, and protruding from the via hole 4-1 (shown in FIG. 5 ) provided on the cover plate 4, it is pasted on the outer surface of the cover plate 4.
  • the second end of the flexible circuit board is provided with multiple A terminal and set to connect with an external signal device to drive the display panel to display. After the second end of the flexible circuit board protrudes from the via hole 4 - 1 on the cover plate 4 , the via hole 4 - 1 can be sealed by adhesive tape or graphite sheet.
  • the length of the flexible circuit board can be designed according to the range of motion of the support member 5-3 to ensure that the motion needs are met.
  • the gear shaft 5-2-1 of the second gear 5-2 is further provided with a limiting boss 5-2-3 and a limiting Position slot 5-2-4, the gear shaft 5-2-1 of the second gear 5-2 passes through the shaft hole 4-2 (shown in Figure 5 ) provided on the cover plate 4 and connects with the shaft hole 4-2 is rotated and fitted, the limiting boss 5-2-3 abuts against the outer surface of the cover plate 4, and a snap spring 5-5 (shown in FIG. 3 ) can be arranged in the limiting groove 5-2-4.
  • the clip spring 5 - 5 can abut against the inner surface of the cover plate 4 to connect the gear shaft 5 - 2 - 1 of the second gear 5 - 2 to the cover plate 4 .
  • the lens barrel may include a barrel body 3 and a cover plate 4 disposed at the first end 3-1 of the barrel body 3 , the barrel body The second end 3-2 of 3 is provided with the optical lens group.
  • the optical lens group may include one or more optical lenses 1.
  • the optical lens group includes three optical lenses 1, wherein one optical lens 1 is arranged in the barrel 3 and compared with the display module The group 2 is arranged close to the second end 3-2 of the barrel 3, and the other two optical lenses 1 are arranged at the second end 3-2 of the barrel 3 and can be arranged in a V shape.
  • the optical lens group may include other numbers of optical lenses 1 , and the arrangement of multiple optical lenses 1 and the combination of optical lenses 1 may be set according to the requirements of optical path design.
  • FIG. 8 is a schematic cross-sectional structure diagram of a head-mounted display device in another exemplary embodiment
  • FIG. 9 is a schematic diagram of the head-mounted display device in FIG. 8 10 is a schematic view of the assembly structure of the screw, the nut and the driving device of the head-mounted display device in FIG. 8 .
  • the head-mounted display device includes a bracket, a lens barrel assembly arranged on the bracket (for example, the lens barrel assembly includes a first lens barrel assembly 10 and a second lens barrel assembly 20), and an adjustment device;
  • the lens barrel assembly includes a lens barrel, a display module 2 arranged in the lens barrel and an optical lens group arranged at one end of the lens barrel, the optical lens group includes at least one optical lens 1;
  • the adjusting device includes The driving device 5-4 arranged on the bracket, the support member 5-3 arranged in the lens barrel and fixedly connected with the display module 2, and the transmission device, the transmission device is arranged in the Driven by the driving device 5-4, the support member 5-3 can be driven to make a reciprocating linear motion, so that the display module 2 approaches or moves away from the optical lens group.
  • the transmission device may include a lead screw 7-1 rotatably arranged on the support, and a threaded screw connected with the lead screw 7-1.
  • the screw 7-1 rotates under the driving action of the driving device 5-4, and the rotation of the screw 7-1 drives the support member 5-3 along the direction parallel to the screw through the nut 7-2 and the connecting rod 7-3.
  • the direction of bar 7-1 moves linearly.
  • the rotation output shaft of the drive device 5-4 can drive the support member 5-3 to move linearly in the first direction; if the rotation output shaft of the drive device 5-4 is reversed, it can drive the support member 5-3. 3 linearly move in the opposite direction to the first direction, so that the reciprocating linear motion of the support member 5-3 can be realized, so that the display module 2 can be moved closer to or away from the optical lens group, so that the distance between the display module 2 and the optical lens group The distance can be adjusted.
  • a second guide part may be provided on the bracket, and a second sliding part that is slidably fitted with the second guide part may be provided on the nut; or, a second guide part may be provided on the lens barrel There is a second guide part, and the support member is provided with a second sliding part that is slidably engaged with the second guide part.
  • the second guide part may be a guide post arranged parallel to the lead screw, and the second sliding part may be a guide hole slidably fitted with the guide post.
  • the lens barrel assembly may include a first lens barrel assembly 10 and a second lens barrel assembly 20, and the support 5-3 includes a The first support member 6-1 in the lens barrel of the first lens barrel assembly 10 and the second support member 6-2 arranged in the lens barrel of the second lens barrel assembly 20; the connecting rod 7-3 can Including a first connecting rod 7-3-1 and a second connecting rod 7-3-2, the two ends of the first connecting rod 7-3-1 are respectively connected with the nut 7-2 and the first supporting member 6-1 is fixedly connected, and the two ends of the second connecting rod 7-3-2 are respectively fixedly connected with the nut 7-2 and the second supporting member 6-2.
  • both the first connecting rod 7-3-1 and the second connecting rod 7-3-2 may be L-shaped, taking the first connecting rod 7-3-1 as an example, the first connecting rod 7-3- One end of 1 can be fixed on the nut 7-2 by a screw, and the other end can be plugged and fixed in the connecting hole provided on the first supporting member 6-1.
  • the screw 7-1 rotates under the driving action of the driving device 5-4, and the rotation of the screw 7-1 drives the first support member 6 through the nut 7-2 and the first connecting rod 7-3-1.
  • the distance between the display module 2 and the optical lens group in the first lens barrel assembly 10 and the second lens barrel assembly 20 can be adjusted, which can be suitable for users with different degrees of myopia, so that users with different degrees of myopia can clearly to see the image presented by Display Module 2.
  • parallel refers to a state where the angle formed by two straight lines is -10° or more and 10° or less, and thus includes a state where the angle is -5° or more and 5° or less.
  • perpendicular refers to a state where the angle formed by two straight lines is 80° to 100°, and thus includes an angle of 85° to 95°.
  • connection means a fixed connection, or a detachable connection, or Connected integrally;
  • mounted means “connected”, and “fixedly connected” may be directly connected, indirectly connected through an intermediary, or internally connected between two components.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

一种头戴式显示装置，包括支架、设于支架上的镜筒组件，以及调节装置。镜筒组件包括镜筒、设于镜筒内的显示模组（2）和设于镜筒的一端的光学透镜组（1），光学透镜组（1）包括至少一个光学透镜。调节装置包括设于支架上的驱动装置（5-4）、设于镜筒内并与显示模组（2）固定连接的支撑件（5-3），以及传动装置。传动装置设置为在驱动装置（5-4）的驱动下能够带动支撑件（5-3）做往复直线运动，以使显示模组（2）靠近或远离光学透镜组（1）。

Description

头戴式显示装置
本申请要求于2021年7月13日提交中国专利局、申请号为202110791897.4、发明名称为“一种头戴式显示装置”的中国专利申请的优先权，其内容应理解为通过引用的方式并入本申请中。
技术领域
本公开实施例涉及但不限于显示技术领域，具体涉及一种头戴式显示装置。
背景技术
一些AR(增强现实)眼镜中，屏幕到光学透镜的距离(物距)基本上是固定的，则用户在佩戴AR眼镜时像距是固定的，当用户近视时，会导致AR眼镜呈现的内容无法看清，目前的多数办法是在AR眼镜前方放置可适配的近视镜片，但是，这给人一种佩戴两个眼镜的感觉，还会增大AR眼镜外观结构的笨重感。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本公开实施例提供一种头戴式显示装置，包括支架、设于所述支架上的镜筒组件，以及调节装置；所述镜筒组件包括镜筒、设于所述镜筒内的显示模组和设于所述镜筒的一端的光学透镜组，所述光学透镜组包括至少一个光学透镜；所述调节装置包括设于所述支架上的驱动装置、设于所述镜筒内并与所述显示模组固定连接的支撑件，以及传动装置，所述传动装置设置为在所述驱动装置的驱动下能够带动所述支撑件做往复直线运动，以使所述显示模组靠近或远离所述光学透镜组。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图说明
附图用来提供对本公开技术方案的进一步理解，并且构成说明书的一部分，与本公开的实施例一起用于解释本公开的技术方案，并不构成对本公开技术方案的限制。附图中部件的形状和大小不反映真实比例，目的只是示意说明本公开内容。
图1为一些示例性实施例的头戴式显示装置的剖面结构示意图；
图2为图1的头戴式显示装置的立体结构示意图；
图3为图1的头戴式显示装置的爆炸结构示意图；
图4为图1的头戴式显示装置的镜筒的筒体的结构示意图；
图5为图1的头戴式显示装置的镜筒的盖板的结构示意图；
图6为图1的头戴式显示装置的支撑件的结构示意图；
图7为图1的头戴式显示装置的第二齿轮及齿轮轴的结构示意图；
图8为另一些示例性实施例的头戴式显示装置的剖面结构示意图；
图9为图8的头戴式显示装置的立体结构示意图；
图10为图8的头戴式显示装置的丝杠、螺母及驱动装置的装配结构示意图。
具体实施方式
本领域的普通技术人员应当理解，可以对本公开实施例的技术方案进行修改或者等同替换，而不脱离本公开实施例技术方案的精神和范围，均应涵盖在本公开的权利要求范围当中。
本公开实施例提供一种头戴式显示装置，在一些示例性实施例中，如图1至图3所示，图1为一些示例性实施例的头戴式显示装置的剖面结构示意图，图2为图1的头戴式显示装置的立体结构示意图，图3为图1的头戴式显示装置的爆炸结构示意图。所述头戴式显示装置包括支架、设于所述支架上的镜筒组件(示例性地，镜筒组件包括第一镜筒组件10和第二镜筒组件20)，以及调节装置；所述镜筒组件包括镜筒、设于所述镜筒内的显示模组2和设于所述镜筒的一端的光学透镜组，所述光学透镜组包括至少一个光学 透镜1；所述调节装置包括设于所述支架上的驱动装置5-4、设于所述镜筒内并与所述显示模组2固定连接的支撑件5-3，以及传动装置，所述传动装置设置为在所述驱动装置5-4的驱动下能够带动所述支撑件5-3做往复直线运动，以使所述显示模组2靠近或远离所述光学透镜组。
本公开实施例的头戴式显示装置，通过设置的调节装置可以使镜筒组件的显示模组2靠近或远离光学透镜组，如此可以调节显示模组2与光学透镜组之间的距离(即物距)，这样可以适合不同近视度数的用户，使不同近视度数的用户能够清晰地看到显示模组2呈现的图像。本公开实施例的头戴式显示装置可以为AR/VR眼镜等。
在一些示例性实施例中，如图1至图3、图6、图7所示，图6为图1的头戴式显示装置的支撑件的结构示意图，图7为图1的头戴式显示装置的第二齿轮及齿轮轴的结构示意图，所述传动装置可以包括与所述驱动装置5-4的转动输出轴固定连接的第一齿轮5-1和与所述第一齿轮5-1啮合的第二齿轮5-2；所述第二齿轮5-2的齿轮轴5-2-1(图7示出)以可转动方式安装在所述镜筒上且伸入所述镜筒内，所述第二齿轮5-2的齿轮轴5-2-1可以包括螺纹部5-2-2，所述螺纹部5-2-2与所述支撑件5-3设置的螺纹孔5-3-2(图6示出)螺纹连接；所述镜筒上设置有第一导向部，所述支撑件5-3还设置有与所述第一导向部滑动配合的第一滑动部。如此，在驱动装置5-4的驱动作用下第一齿轮5-1转动，第一齿轮5-1带动第二齿轮5-2转动，第二齿轮5-2通过齿轮轴5-2-1的螺纹部5-2-2带动支撑件5-3直线运动。示例性地，驱动装置5-4的转动输出轴正转，则可以带动支撑件5-3沿第一方向直线运动；驱动装置5-4的转动输出轴反转，则可以带动支撑件5-3沿第一方向的相反方向直线运动，这样可以实现支撑件5-3的往复直线运动，从而可以使显示模组2靠近或远离光学透镜组，使得显示模组2与光学透镜组之间的距离可以调节。
在一些示例性实施例中，如图1至图3所示，所述驱动装置5-4的转动输出轴与所述第二齿轮5-2的齿轮轴5-2-1可以平行设置。示例性地，所述驱动装置5-4的转动输出轴与所述第二齿轮5-2的齿轮轴5-2-1可以均沿所述第一方向设置。所述驱动装置5-4可以为电机，比如可以是步进电机或伺服电 机等。
在一些示例性实施例中，所述第一导向部可以包括设置在所述镜筒上的导向柱，所述第一滑动部可以包括与所述导向柱滑动配合的导向孔。示例性地，如图1和图3所示，所述镜筒可以包括筒体3和设于所述筒体3的第一端3-1的盖板4，所述筒体3的第二端3-2可以设有所述光学透镜组。如图5和图6所示，图5为图1的头戴式显示装置的镜筒的盖板的结构示意图，所述盖板4的内侧面上可以设有一个或多个(本示例中为两个)导向柱4-3，导向柱4-3可以与第二齿轮5-2的齿轮轴5-2-1平行设置，所述支撑件5-3上可以设置有与所述导向柱4-3滑动配合的导向孔5-3-3。
在一些示例性实施例中，如图1至图3所示，所述镜筒组件包括第一镜筒组件10和第二镜筒组件20，所述支撑件5-3包括设于所述第一镜筒组件10的镜筒内的第一支撑件6-1和设于所述第二镜筒组件20的镜筒内的第二支撑件6-2；所述第二齿轮5-2设置为两个，两个所述第二齿轮5-2中的一个与所述第一支撑件6-1连接，两个所述第二齿轮5-2中的另一个与所述第二支撑件6-2连接。示例性地，两个第二齿轮5-2的齿轮轴5-2-1和所述驱动装置5-4的转动输出轴可以相互平行设置。两个第二齿轮5-2均与第一齿轮5-1啮合并分别位于第一齿轮5-1的两侧。本实施例中，在驱动装置5-4的驱动作用下第一齿轮5-1转动，第一齿轮5-1带动两个第二齿轮5-2转动，两个第二齿轮5-2分别带动第一支撑件6-1和第二支撑件6-2直线运动，由此可以调节第一镜筒组件10和第二镜筒组件20中显示模组2与光学透镜组之间的距离。
在一些示例性实施例中，所述镜筒上可以设置有第一限位部和第二限位部，所述第一限位部设置为在所述支撑件沿第一方向运动至极限位置时与所述支撑件抵接，所述第二限位部设置为在所述支撑件沿所述第一方向的相反方向运动至极限位置时与所述支撑件抵接。
本实施例的一个示例中，如图2、图4和图5所示，图4为图1的头戴式显示装置的镜筒的筒体的结构示意图，图5为图1的头戴式显示装置的镜筒的盖板的结构示意图，所述镜筒包括筒体3和设于所述筒体3的第一端3-1的盖板4，所述筒体3的第二端3-2设有所述光学透镜组。所述筒体3的外 壁上可以设置有至少一个(本示例为三个)固定柱3-4，所述盖板4上可以设置有至少一个固定孔4-4，所述固定柱3-4与所述固定孔4-4可通过螺钉连接以将盖板4与筒体3连接。所述盖板4可以为所述第一限位部，所述第二限位部可以为设置在所述筒体3的内壁上的挡板3-3。在其他实施方式中，第一限位部和第二限位部可以为所述镜筒的内壁上设置的挡块等结构。
在一些示例性实施例中，如图1所示，所述显示模组2和所述支撑件5-3可以设置在所述挡板3-3的朝向所述盖板4的一侧，所述光学透镜组设置在所述挡板3-3的背离所述盖板4的一侧。如图6所示，所述支撑件5-3可以包括板状本体，所述板状板体的一侧面(比如朝向挡板3-3的侧面)可以设有固定槽5-3-1，所述显示模组2固定(比如粘接)在所述固定槽5-3-1内，所述显示模组2的显示侧朝向所述光学透镜组。所述显示模组2可以包括显示面板和与显示面板连接的柔性电路板，所述柔性电路板的第一端与显示面板连接，柔性电路板的第二端可以朝向所述盖板4所在侧弯折、并从所述盖板4上设置的过孔4-1(图5示出)伸出后贴设在所述盖板4的外侧面上，柔性电路板的第二端设置有多个端子并设置为与外部信号装置连接，以驱动显示面板显示。柔性电路板的第二端从所述盖板4上的过孔4-1伸出后，所述过孔4-1可以通过胶布或石墨片等封闭。柔性电路板的长度可根据支撑件5-3的运动范围设计，保证满足运动需要。
在一些示例性实施例中，如图1、图5和图7所示，所述第二齿轮5-2的齿轮轴5-2-1上还设有限位凸台5-2-3和限位槽5-2-4，所述第二齿轮5-2的齿轮轴5-2-1从所述盖板4上设置的轴孔4-2(图5示出)穿过并与轴孔4-2转动配合，限位凸台5-2-3抵接在盖板4的外侧面上，限位槽5-2-4内可以设置有卡簧5-5(图3示出)，卡簧5-5可以抵接于盖板4的内侧面上以将第二齿轮5-2的齿轮轴5-2-1连接在盖板4上。
在一些示例性实施例中，如图1至图3所示，所述镜筒可以包括筒体3和设于所述筒体3的第一端3-1的盖板4，所述筒体3的第二端3-2设有所述光学透镜组。所述光学透镜组可以包括一个或多个光学透镜1，示例性地，所述光学透镜组包括三个光学透镜1，其中一个光学透镜1设于所述筒体3内并相较于显示模组2靠近筒体3的第二端3-2设置，另两个光学透镜1设 置在筒体3的第二端3-2并可以呈V型设置。在其他实施方式中，所述光学透镜组可以包括其他数量的光学透镜1，多个光学透镜1的设置方式及光学透镜1的组合方式可以根据光路设计需要来设置。
在另一些示例性实施例中，如图8至图10所示，图8为另一些示例性实施例的头戴式显示装置的剖面结构示意图，图9为图8的头戴式显示装置的立体结构示意图，图10为图8的头戴式显示装置的丝杠、螺母及驱动装置的装配结构示意图。所述头戴式显示装置包括支架、设于所述支架上的镜筒组件(示例性地，镜筒组件包括第一镜筒组件10和第二镜筒组件20)，以及调节装置；所述镜筒组件包括镜筒、设于所述镜筒内的显示模组2和设于所述镜筒的一端的光学透镜组，所述光学透镜组包括至少一个光学透镜1；所述调节装置包括设于所述支架上的驱动装置5-4、设于所述镜筒内并与所述显示模组2固定连接的支撑件5-3，以及传动装置，所述传动装置设置为在所述驱动装置5-4的驱动下能够带动所述支撑件5-3做往复直线运动，以使所述显示模组2靠近或远离所述光学透镜组。
在一些示例性实施例中，如图8至图10所示，所述传动装置可以包括可转动地设置在所述支架上的丝杠7-1、与所述丝杠7-1螺纹连接的螺母7-2，以及与所述螺母7-2固定连接的连接杆7-3；所述丝杠7-1与所述驱动装置5-4的转动输出轴固定连接，所述连接杆7-3的一端伸入所述镜筒内并与所述支撑件5-3固定连接。本实施例中，在驱动装置5-4的驱动作用下丝杠7-1转动，丝杠7-1转动则通过螺母7-2和连接杆7-3带动支撑件5-3沿平行于丝杠7-1的方向直线运动。示例性地，驱动装置5-4的转动输出轴正转，则可以带动支撑件5-3沿第一方向直线运动；驱动装置5-4的转动输出轴反转，则可以带动支撑件5-3沿第一方向的相反方向直线运动，这样可以实现支撑件5-3的往复直线运动，从而可以使显示模组2靠近或远离光学透镜组，使得显示模组2与光学透镜组之间的距离可以调节。
在一些示例性实施例中，所述支架上还可以设置有第二导向部，所述螺母上设置有与所述第二导向部滑动配合的第二滑动部；或者，所述镜筒上设置有第二导向部，所述支撑件设置有与所述第二导向部滑动配合的第二滑动部。示例性地，第二导向部可以是与丝杠平行设置的导向柱，第二滑动部可 以是与导向柱滑动配合的导向孔。
在一些示例性实施例中，如图8和图9所示，所述镜筒组件可以包括第一镜筒组件10和第二镜筒组件20，所述支撑件5-3包括设于所述第一镜筒组件10的镜筒内的第一支撑件6-1和设于所述第二镜筒组件20的镜筒内的第二支撑件6-2；所述连接杆7-3可以包括第一连接杆7-3-1和第二连接杆7-3-2，所述第一连接杆7-3-1的两端分别与所述螺母7-2和所述第一支撑件6-1固定连接，所述第二连接杆7-3-2的两端分别与所述螺母7-2和所述第二支撑件6-2固定连接。示例性地，第一连接杆7-3-1和第二连接杆7-3-2可以均呈L型，以第一连接杆7-3-1为例，第一连接杆7-3-1的一端可以通过螺钉固定在螺母7-2上，另一端可以插接固定在第一支撑件6-1上设置的连接孔内。本实施例中，在驱动装置5-4的驱动作用下丝杠7-1转动，丝杠7-1转动则通过螺母7-2和第一连接杆7-3-1带动第一支撑件6-1沿平行于丝杠7-1的方向直线运动，且通过螺母7-2和第二连接杆7-3-2带动第二支撑件6-2沿平行于丝杠7-1的方向直线运动，由此可以调节第一镜筒组件10和第二镜筒组件20中显示模组2与光学透镜组之间的距离，这样可以适合不同近视度数的用户，使不同近视度数的用户能够清晰地看到显示模组2呈现的图像。
在附图中，有时为了明确起见，夸大表示了构成要素的大小、层的厚度或区域。因此，本公开的实施方式并不一定限定于该尺寸，附图中每个部件的形状和大小不反映真实比例。此外，附图示意性地示出了一些例子，本公开的实施方式不局限于附图所示的形状或数值。
在本文描述中，“平行”是指两条直线形成的角度为-10°以上且10°以下的状态，因此，包括该角度为-5°以上且5°以下的状态。另外，“垂直”是指两条直线形成的角度为80°以上且100°以下的状态，因此，包括85°以上且95°以下的角度的状态。
在本文描述中，术语“上”、“下”、“左”、“右”、“顶”、“内”、“外”、“轴向”、“四角”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开实施例的简化描述，而不是指示或暗示所指的结构具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
在本文描述中，除非另有明确的规定和限定，术语“连接”、“固定连接”、“安装”、“装配”应做广义理解，例如，可以是固定连接，或是可拆卸连接，或一体地连接；术语“安装”、“连接”、“固定连接”可以是直接相连，或通过中间媒介间接相连，或是两个元件内部的连通。对于本领域的普通技术人员而言，可以根据情况理解上述术语在本公开实施例中的含义。

Claims (12)

  1. 一种头戴式显示装置，包括支架、设于所述支架上的镜筒组件，以及调节装置；
    所述镜筒组件包括镜筒、设于所述镜筒内的显示模组和设于所述镜筒的一端的光学透镜组，所述光学透镜组包括至少一个光学透镜；
    所述调节装置包括设于所述支架上的驱动装置、设于所述镜筒内并与所述显示模组固定连接的支撑件，以及传动装置，所述传动装置设置为在所述驱动装置的驱动下能够带动所述支撑件做往复直线运动，以使所述显示模组靠近或远离所述光学透镜组。
  2. 如权利要求1所述的头戴式显示装置，其中：所述传动装置包括与所述驱动装置的转动输出轴固定连接的第一齿轮和与所述第一齿轮啮合的第二齿轮；
    所述第二齿轮的齿轮轴以可转动方式安装在所述镜筒上且伸入所述镜筒内，所述第二齿轮的齿轮轴包括螺纹部，所述螺纹部与所述支撑件设置的螺纹孔螺纹连接；
    所述镜筒上设置有第一导向部，所述支撑件还设置有与所述第一导向部滑动配合的第一滑动部。
  3. 如权利要求2所述的头戴式显示装置，其中：所述第一导向部包括设置在所述镜筒上的导向柱，所述第一滑动部包括与所述导向柱滑动配合的导向孔。
  4. 如权利要求2所述的头戴式显示装置，其中：所述驱动装置的转动输出轴与所述第二齿轮的齿轮轴平行设置。
  5. 如权利要求2所述的头戴式显示装置，其中：所述镜筒组件包括第一镜筒组件和第二镜筒组件，所述支撑件包括设于所述第一镜筒组件的镜筒内的第一支撑件和设于所述第二镜筒组件的镜筒内的第二支撑件；
    所述第二齿轮设置为两个，两个所述第二齿轮中的一个与所述第一支撑件连接，两个所述第二齿轮中的另一个与所述第二支撑件连接。
  6. 如权利要求1所述的头戴式显示装置，其中：所述传动装置包括可转 动地设置在所述支架上的丝杠、与所述丝杠螺纹连接的螺母，以及与所述螺母固定连接的连接杆；
    所述丝杠与所述驱动装置的转动输出轴固定连接，所述连接杆的一端伸入所述镜筒内并与所述支撑件固定连接。
  7. 如权利要求6所述的头戴式显示装置，其中：所述支架上还设置有第二导向部，所述螺母上设置有与所述第二导向部滑动配合的第二滑动部；或者，所述镜筒上设置有第二导向部，所述支撑件设置有与所述第二导向部滑动配合的第二滑动部。
  8. 如权利要求6所述的头戴式显示装置，其中：所述镜筒组件包括第一镜筒组件和第二镜筒组件，所述支撑件包括设于所述第一镜筒组件的镜筒内的第一支撑件和设于所述第二镜筒组件的镜筒内的第二支撑件；
    所述连接杆包括第一连接杆和第二连接杆，所述第一连接杆的两端分别与所述螺母和所述第一支撑件固定连接，所述第二连接杆的两端分别与所述螺母和所述第二支撑件固定连接。
  9. 如权利要求1所述的头戴式显示装置，其中：所述镜筒上设置有第一限位部和第二限位部，所述第一限位部设置为在所述支撑件沿第一方向运动至极限位置时与所述支撑件抵接，所述第二限位部设置为在所述支撑件沿所述第一方向的相反方向运动至极限位置时与所述支撑件抵接。
  10. 如权利要求9所述的头戴式显示装置，其中：所述镜筒包括筒体和设于所述筒体的第一端的盖板，所述筒体的第二端设有所述光学透镜组，所述盖板为所述第一限位部，所述第二限位部为设置在所述筒体的内壁上的挡板。
  11. 如权利要求10所述的头戴式显示装置，其中：所述显示模组和所述支撑件设置在所述挡板的朝向所述盖板的一侧，所述光学透镜组设置在所述挡板的背离所述盖板的一侧。
  12. 如权利要求1所述的头戴式显示装置，其中：所述支撑件包括板状本体，所述板状板体的一侧面设有固定槽，所述显示模组固定在所述固定槽内。
PCT/CN2022/104083 2021-07-13 2022-07-06 头戴式显示装置 WO2023284604A1 (zh)

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Citations (3)

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Publication number Priority date Publication date Assignee Title
CN106094209A (zh) * 2016-08-03 2016-11-09 深圳酷酷科技有限公司 光学模组及头戴式显示设备
CN207924627U (zh) * 2018-03-30 2018-09-28 京东方科技集团股份有限公司 一种虚拟现实设备
CN110501815A (zh) * 2019-08-31 2019-11-26 歌尔科技有限公司 后焦距可调节式头戴显示设备

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106094209A (zh) * 2016-08-03 2016-11-09 深圳酷酷科技有限公司 光学模组及头戴式显示设备
CN207924627U (zh) * 2018-03-30 2018-09-28 京东方科技集团股份有限公司 一种虚拟现实设备
CN110501815A (zh) * 2019-08-31 2019-11-26 歌尔科技有限公司 后焦距可调节式头戴显示设备

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