WO2018049618A1 - 头戴式显示装置及控制方法 - Google Patents

头戴式显示装置及控制方法 Download PDF

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Publication number
WO2018049618A1
WO2018049618A1 PCT/CN2016/099101 CN2016099101W WO2018049618A1 WO 2018049618 A1 WO2018049618 A1 WO 2018049618A1 CN 2016099101 W CN2016099101 W CN 2016099101W WO 2018049618 A1 WO2018049618 A1 WO 2018049618A1
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WIPO (PCT)
Prior art keywords
screen
size
display device
head mounted
mounted display
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PCT/CN2016/099101
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English (en)
French (fr)
Inventor
彭世平
李欠欠
王一琦
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深圳市柔宇科技有限公司
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Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to PCT/CN2016/099101 priority Critical patent/WO2018049618A1/zh
Priority to CN201680036071.4A priority patent/CN107995955A/zh
Publication of WO2018049618A1 publication Critical patent/WO2018049618A1/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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof

Definitions

  • the present invention relates to a display device and a control method, and more particularly to a head mounted display device and a control method.
  • Head-mounted Device As an emerging display device, Head-mounted Device has been rapidly developed in the industry.
  • the head-mounted display device achieves a large-screen display by setting a display screen in front of the human eye and then adjusting the light emitted from the display through the lens to enter the human eye.
  • people can also enjoy movie viewing at home or on the go.
  • the screen size of the existing head-mounted display device is usually fixed, and different users have different requirements for the viewing effect. For example, some users prefer to display a larger screen to obtain the viewing effect of the front seats of the cinema; while others prefer that the displayed screen is too small to obtain the viewing effect of the back seats of the cinema. Therefore, the existing head-mounted display device obviously cannot satisfy many types of requirements at the same time.
  • the present invention provides a head mounted display device and a control method capable of adjusting the size of a display screen.
  • a head-mounted display device includes a display screen and a control module, and the control module receives the adjustment signal, and controls the display screen to adjust the size of the display screen.
  • the size of the display screen is adjusted step by step.
  • Each level of picture size is scaled compared to the next level of picture size.
  • the scale of each level of the screen is less than 5% compared to the size of the next level of the screen.
  • the aspect ratio of the display is fixed.
  • the size of the display screen is selected for adjustment.
  • the display shows seat arrangement information, and the adjustment signal is generated by the seat being selected.
  • the size of the display screen corresponding to the seats of different rows is different.
  • the display also shows the screen in front of the seat, the larger the size of the display corresponding to the seat closer to the screen.
  • the head mounted display device further includes an earphone and a touch screen disposed on the surface of the earphone, and the touch screen receives the touch gesture to generate an adjustment signal.
  • the size of the display screen is adjusted step by step according to the number of touch gestures.
  • At least two fingers are close to each other on the touch screen to generate a reduced signal, and at least two fingers are separated from each other on the touch screen to generate an amplified signal.
  • a control method of a head mounted display device includes: receiving an adjustment signal through a control module of the head mounted display device; and controlling a display screen of the head mounted display device to adjust a size of the display screen.
  • the size of the display screen is adjusted step by step in a scaling ratio of less than 5%.
  • the size of the display screen is adjusted according to a fixed aspect ratio.
  • the method Before receiving the adjustment signal by the control module of the head mounted display device, the method further includes: displaying the seat arrangement information through the display screen; and generating the adjustment signal by selecting the seat through the input device of the head mounted display device.
  • the size of the display screen corresponding to the seats of different rows is different.
  • the method Before receiving the adjustment signal by the control module of the head mounted display device, the method further includes: generating the adjustment signal by touching the touch screen of the head mounted display device.
  • the size of the display screen is adjusted step by step according to the number of times the touch screen of the head mounted display device is touched.
  • the size of the display is discontinuous.
  • the head mounted display device of the present invention receives the adjustment signal through the control module, and then controls the display screen to adjust the size of the displayed screen. Thereby, the user can issue different adjustment signals, so that the size of the display screen of the display screen is suitable for the viewing needs of the user.
  • FIG. 1 is a perspective view of a head mounted display device in accordance with an embodiment of the present invention.
  • FIG. 2 is a block diagram of a head mounted display device of the present invention.
  • FIG. 3 is a schematic view of an optical path of the head mounted display device of FIG. 1.
  • FIG. 4 is a selection screen displayed by the head mounted display device of FIG. 1.
  • FIG. 5 is a screen display screen of the head mounted display device of FIG. 1.
  • Fig. 6 is a display screen after the display screen of Fig. 5 is reduced once.
  • Fig. 7 is a display screen after the display screen of Fig. 5 is reduced twice.
  • the head mounted display device includes a display screen 10 and a control module 20.
  • the control module 20 can receive the adjustment signal, thereby
  • the display screen 10 controls the size of the display screen.
  • the head-mounted display device can be adapted to different viewing requirements.
  • the screen size can be enlarged by the control module; when the user needs a small screen viewing experience, the screen size can also be reduced by the control module.
  • the size of the display screen is adjusted in a fixed aspect ratio. That is, after the control module 20 receives the adjustment signal, the size of the display screen of the display screen 10 changes compared to the size of the original display screen, but the aspect ratio of the screen remains unchanged. For example, the aspect ratio of the original picture is 4:3, and the aspect ratio of the picture after the size change still remains 4:3.
  • the size of the display screen is adjusted stepwise. That is, after the control module 20 receives the adjustment signal once, the size of the display screen of the display screen 10 is scaled by a certain ratio. Each time an adjustment signal is received, the display will be scaled once.
  • the size of the display screen is preset to be divided into multiple levels, and the zoom of the display screen can only be switched between these preset levels.
  • the scaling of the size of the display screen between the levels may be the same or different.
  • the size scale of the display screen between the levels is 4%. For example, after receiving a reduced signal, the size of the original display will be reduced by 4%. After receiving a reduced signal, the size of the previous reduced image will be reduced by 4%, which is compared to the original display.
  • the zoom ratio of each picture size should be less than 5%, the purpose of which is to solve the vignetting problem in a manner that is not easily noticeable.
  • the lay length the distance between each person's pupil 30 and the display screen 10 (hereinafter referred to as the lay length) after wearing the head mounted display device. Therefore, for some users with a long lay length, part of the light emitted from the edge of the lens 20 of the head mounted display device cannot enter the pupil 30 due to the excessive yaw angle, resulting in the loss of this portion of the light.
  • the display screen of the display screen 10 seen by the human eye forms a vignetting angle at the peripheral position, and the phenomenon that the screen display is incomplete may occur.
  • This phenomenon is more in the case of a head mounted display device with an eye mask.
  • the protrusion is increased because the thickness of the eye mask is increased to cause the pupil distance to further expand. Therefore, in order to enable the user to view the full screen, the zoom function of the display screen size is added.
  • the screen size is reduced, part of the light that should have been emitted from the edge of the lens 20 will be closer to the center of the lens 20, so that it can still enter the human eye after being refracted by the lens 20, thereby eliminating the vignetting.
  • this embodiment selects a 5% screen scaling. Because 5% of the picture scaling is enough to solve most of the vignetting problems, and the picture is reduced by a small amount, the human eye is not easy to detect, so that this part of the user can solve the vignetting problem while ensuring the viewing experience of the large screen.
  • the zoom ratio of the display screen should also be greater than 1% to avoid increasing the adjustment burden of the user.
  • the size of the display screen can also be continuous stepless adjustment, that is, the scaling of the screen can be any value.
  • the control module 20 can control the degree of change of the display screen according to the amount of change of the adjustment signal. For example, the amount of change in the adjustment signal is 7%, and the size of the display screen is also scaled by 7%.
  • the size of the display screen may also be a selection adjustment. That is, after the control module 20 receives the adjustment signal, the display screen of the display screen 10 is directly adjusted to the corresponding size according to the selection information contained in the adjustment signal. For example, if the selection information contained in the adjustment signal is to adjust the screen size to 60% of the original screen size, the display screen 20 will directly reduce the screen to 60% according to the selection information.
  • the display screen 10 may present a prompt message to remind the user which screen size to select.
  • the display screen 10 can list various screen size options, and the user can directly select the desired screen size option to implement the adjustment signal input.
  • the prompt information may be text information, image information, or a combination of the two. Referring to FIG. 4, further, the prompt information can be presented to the user in a more intuitive manner: Based on the viewing effect of the simulated theater, the prompt information may be information for prompting the user to select a seat.
  • the information of the selected seat can be a text prompt or a seat arrangement map when the movie ticket is simulated.
  • Each row of seats 40 corresponds to a particular screen size, and the screen size corresponding to the seat 40 closer to the screen 50 is larger, and the screen size corresponding to the seat 40 farther from the screen 50 is smaller.
  • the screen size corresponding to each row of seats 40 and the screen size corresponding to the adjacent row of seats 40 may be incremented or decremented according to a certain ratio. For example, the screen size corresponding to each row of seats 40 corresponds to the previous row of seats 40. The screen size is reduced by 4%.
  • the screen reduction of the present embodiment is achieved by displaying black on the border 60 of the previous display screen. That is, the size of the current display screen is reduced compared to the size of the previous display screen, and then all areas outside the current screen are displayed in black, that is, the previous screen is displayed in black around the border 60 of the current screen.
  • the enlargement process of the picture is reversed from the reduction process, that is, the black frame 60 is eliminated, and the next picture is expanded to the original black frame 60.
  • the head mounted display device further includes a housing 70 for housing the display screen 10, an earphone 80 disposed on the housing 70, and a headband 90 disposed on the earphone 80.
  • the control module 20 is housed in the outer casing 70.
  • the lens 30 is housed in the outer casing 70 for adjusting the light emitted by the display screen 10 to allow light to enter the human eye.
  • the earphone 80 is intended to be worn on the user's ears to provide audio output to the user.
  • the headband 90 is worn on the user's head such that the user's head portion carries a portion of the weight of the head mounted display device, preventing the weight from being concentrated near the user's eyes.
  • a battery 12 for supplying power to the components and a communication module 14 for communicating with external electronic devices may be further disposed in the outer casing 70.
  • the head mounted display device may also include a control box externally connected to the outer casing 70.
  • the control module 20, the battery 12 and the communication module 14 may also be received in the control box to reduce the outer casing 70. The weight ensures the user's wearing comfort.
  • the outer surface of the earphone 80 is further provided with a touch screen 82, and the user can input an adjustment signal through the touch screen 82.
  • the way to input the adjustment signal can be gesture input, such as clicking, double clicking, sliding, and the like.
  • the gesture of inputting the amplified signal may be that at least two fingers are away from each other on the touch screen 82; the gesture of inputting the reduced signal may be that at least two fingers approach each other on the touch screen 82.
  • the zooming in and out signals can also be other gestures, such as a finger sliding to the right for zooming, a finger sliding to the left for zooming out, or a finger sliding clockwise for zooming, and a finger for counterclockwise sliding for zooming out.
  • each gesture generates an adjustment signal, and if it is necessary to adjust the display size multiple times, multiple gesture operations are required.
  • the adjustment signal is determined based on the moving direction of the finger in the gesture, and the moving distance of the finger in the gesture does not affect the adjustment signal, that is, the adjustment signal is adjusted step by step according to a preset scaling ratio.
  • the size, the distance the finger moves does not affect the zoom level of the screen size. It can be understood that when the screen size is adjusted in a stepless manner, the moving direction and the moving distance of the finger at this time have an influence on the adjustment signal. That is, the moving direction of the finger can be used to determine whether the screen size is enlarged or reduced, and the moving distance of the finger can be used to determine the zooming degree of the screen size.
  • the screen size is scaled by 10% of the original screen size.
  • the selection process in the foregoing embodiments can also be implemented by the touch screen 82.
  • the touch screen 82 can also be replaced by other types of input devices, such as mechanical buttons mounted on the head mounted display case or the control box, or other connected to the head mounted display device by wireless or wired means.
  • Electronic input devices such as mobile phones, handheld computers, multimedia playback devices, keyboards, controllers, steering wheels, and the like.
  • the invention also provides a control method of a head mounted display device, comprising:
  • the display screen 10 that controls the head mounted display device adjusts the size of the display screen.
  • the size of the display screen is adjusted step by step according to a scaling ratio of less than 5%.
  • the size of the display screen is adjusted according to a fixed aspect ratio.
  • the method before receiving the adjustment signal by the control module 20 of the head mounted display device, the method further includes:
  • the adjustment signal is generated by selecting the seat 40 by the input device of the head mounted display device.
  • the size of the display screen corresponding to the seats 40 of different rows is different.
  • the method before receiving the adjustment signal by the control module 20 of the head mounted display device, the method further includes:
  • the adjustment signal is generated by touching the touch screen 82 of the head mounted display device.
  • the size of the display screen is adjusted step by step according to the number of times the touch screen of the head mounted display device is touched.
  • the size of the display screen is discontinuous adjustment.

Abstract

一种头戴式显示装置及一种头戴式显示装置的控制方法，该显示装置包括显示屏（10）及控制模块（20），控制模块（20）接收调节信号，控制显示屏（10）对显示画面的尺寸进行调节。通过控制模块（20）来对显示画面的尺寸进行调节，可适应用户对于不同观影效果的需求。

Description

头戴式显示装置及控制方法 技术领域
本发明涉及显示装置及控制方法，尤其涉及头戴式显示装置及控制方法。
背景技术
头戴式显示装置(Head-mounted Device)作为一种新兴的显示设备，目前在业界已得到迅速发展。头戴式显示装置是通过在人眼的前方设置显示屏，然后通过透镜对显示屏发出的光线进行调整使之进入人眼，以此达到大屏幕的显示效果。由此，人们可以在家中或旅途中也可以获得电影院的观影效果。
然而，现有的头戴式显示装置的屏幕大小通常是固定的，而不同的用户对于观影效果的要求却并不相同。比如有的用户更希望所显示的画面更大，从而获得电影院前排座位的观影效果；而有的用户更希望所显示的画面偏小，以获得电影院后排座位的观影效果。因此，现有的头戴式显示装置显然无法同时满足多类需求。
发明内容
有鉴于此，本发明提供了一种可以调节显示画面大小的头戴式显示装置及控制方法。
一种头戴式显示装置，包括显示屏及控制模块，控制模块接收调节信号，控制显示屏对显示画面的尺寸进行调节。
显示画面的尺寸为逐级调节。
每一级画面尺寸相比于下一级画面尺寸按比例缩放。
每一级画面尺寸相比于下一级画面尺寸的缩放比例小于5％。
显示画面的长宽比例固定。
显示画面的尺寸为选择调节。
显示屏显示座位排列信息，调节信号是由座位被选择所产生。
不同排的座位所对应的显示画面的尺寸不同。
显示屏还显示位于座位前方的屏幕，越靠近屏幕的座位所对应的显示画面的尺寸越大。
头戴式显示装置还包括耳机及设于耳机表面的触摸屏，触摸屏接收触摸手势而产生调节信号。
显示画面的尺寸根据触摸手势的次数逐级调节。
至少两指在触摸屏上相互靠近产生缩小信号，至少两指在触摸屏上相互远离产生放大信号。
一种头戴式显示装置的控制方法，包括：通过头戴式显示装置的控制模块接收调节信号；控制头戴式显示装置的显示屏对显示画面的尺寸进行调节。
显示画面的尺寸按照小于5％的缩放比例进行逐级调节。
显示画面的尺寸按照固定的长宽比例进行调节。
在通过头戴式显示装置的控制模块接收调节信号之前还包括：通过显示屏显示座位排列信息；通过头戴式显示装置的输入设备选择座位而产生调节信号。
不同排的座位所对应的显示画面的尺寸不同。
在通过头戴式显示装置的控制模块接收调节信号之前还包括：通过触摸头戴式显示装置的触摸屏产生调节信号。
显示画面的尺寸根据触摸头戴式显示装置的触摸屏的次数逐级调节。
显示画面的尺寸为非连续调节。
本发明的头戴式显示装置通过控制模块对调节信号进行接收，然后控制显示屏对所显示画面的尺寸进行调节。由此，用户可发出不同的调节信号，从而使显示屏的显示画面的尺寸适合自身的观影需求。
附图说明
下列附图用于结合具体实施方式详细说明本发明的各个实施方式。应当理解，附图中示意出的各元件并不代表实际的大小及比例关系，仅是为了清楚说明而示意出来的示意图，不应理解成对本发明的限制。
图1是本发明一实施例的头戴式显示装置的立体图。
图2是本发明的头戴式显示装置的模块图。
图3是图1的头戴式显示装置的光路示意图。
图4是图1的头戴式显示装置显示的选座画面。
图5是图1的头戴式显示装置的屏幕显示画面。
图6是图5的显示画面缩小一次之后的显示画面。
图7是图5的显示画面缩小两次之后的显示画面。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合多个实施方式及附图，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施方式仅仅用以解释本发明，并不用于限定本发明。
请参阅图1-2，示出了本发明一实施例的头戴式显示装置。头戴式显示装置包括显示屏10及控制模块20。控制模块20可接收调节信号，从而 控制显示屏10对显示画面的尺寸进行调节。
通过对画面尺寸进行调节，可使头戴式显示装置能够适应不同的观影需求。当用户需要大屏的观影体验时，可通过控制模块将画面尺寸放大；当用户需要小屏的观影体验时，也可通过控制模块将画面尺寸缩小。
具体地，显示画面的尺寸是按固定长宽比例调节。即当控制模块20接收到调节信号之后，显示屏10的显示画面的尺寸会相比于原有的显示画面的尺寸变化，但画面的长宽比例保持不变。比如原画面的长宽比是4：3，当尺寸变化之后的画面的长宽比仍旧保持是4：3。
具体地，显示画面的尺寸是逐级调节。即当控制模块20接收到一次调节信号之后，显示屏10的显示画面的尺寸会以一定的比例缩放。每接收到一次调节信号，显示画面就会以一定比例缩放一次。显示画面的尺寸被预先设定好分成多个等级，显示画面的缩放只能在这些预设的等级之间切换。各等级之间的显示画面的尺寸的缩放比例可以相同，也可以不同。本实施例中各等级之间的显示画面的尺寸缩放比例都是4％。比如，在接收到一次缩小信号之后，原显示画面的尺寸就会缩小4％，再接收到一次缩小信号之后，上一次缩小后的画面尺寸会再度缩小4％，也就是相比于原显示画面会缩小8％。优选地，每次画面尺寸的缩放比例应小于5％，其目的在于以不易被察觉的方式解决暗角问题。请一并参阅图3，由于每个人的脸型均有差异，导致在佩戴头戴式显示装置之后，每个人的瞳孔30与显示屏10的距离(下称瞳距)有可能存在一定差异。因此，对于某些瞳距较长的用户来说，从头戴式显示装置的透镜20边缘出射的部分光线由于偏角过大而无法进入瞳孔30内，导致这部分光线出现缺失。这种情况下，人眼所看到显示屏10的显示画面就会在周边的位置形成暗角，也就会出现画面显示不全的现象。这种现象在头戴式显示装置加装眼罩的情况下更 加突出，因为增加的眼罩的厚度会导致瞳距进一步扩大。因此，为了使用户能够看全画面，增加了显示画面尺寸的缩放功能。当画面尺寸缩小之后，原来应当从透镜20边缘出射的部分光线将会更靠近透镜20的中心，从而使得被透镜20折射后仍旧可以进入人眼，从而消除暗角。但是，如果画面尺寸的缩放比例过大(比如超过5％)，那么对于那些想解决暗角问题而又想维持大屏画面的用户来说，显然不太适合。因此，本实施例选用5％的画面缩放比例。因为5％的画面缩放比例已经足够解决大部分的暗角问题，并且画面缩小幅度较小，人眼不易察觉，从而使这部分用户能够解决暗角问题，同时确保大屏的观影体验。对于本实施例中的非连续的逐级调节的方式来说，显示画面的缩放比例还应当大于1％，以避免增加用户的调节负担。当然，可以理解地，显示画面的尺寸也可以是连续的无极调节，即画面的缩放比例可以是任意的数值。这种情况下，控制模块20可以根据调节信号的变化量来控制显示画面的变化程度。比如调节信号的变化量为7％，显示画面的尺寸也随之缩放7％。
具体地，显示画面的尺寸也可以是选择调节。即当控制模块20接收到调节信号之后，显示屏10的显示画面根据调节信号所包含的选择信息直接调整至相应的尺寸。比如，调节信号当中包含的选择信息为将画面尺寸调节为原画面尺寸的60％，那么显示屏20将直接根据此选择信息将画面缩小至60％。
进一步地，在调节画面尺寸的时候，显示屏10可出现提示信息，提醒用户需要选择何种画面尺寸。比如显示屏10上可以列出各种画面尺寸的选项，用户可直接选择所需的画面尺寸的选项，从而实现调节信号的输入。提示信息可以是文字信息，也可以是图像信息，或者二者的结合。请参阅图4，更进一步地，提示信息可以采用更为直观的方式呈现给用户： 基于模拟影院的观影效果，提示信息可以为提示用户进行选座的信息。提示选座的信息可以为文字提示，也可以为模拟用户购买电影票时的座位排列图。每一排座位40对应一个特定的画面尺寸，越靠近屏幕50的座位40所对应的画面尺寸越大，越远离屏幕50的座位40所对应的画面尺寸越小。特别地，每一排座位40对应的画面尺寸与相邻一排座位40对应的画面尺寸可以按照一定比例递增或递减，比如每一排座位40对应的画面尺寸相比于前一排座位40对应的画面尺寸减少4％。用户在选择座位40之后，产生包含选择信息的调节信号，控制模块20接收到此调节信号之后，控制显示屏10根据选择信息对显示画面尺寸作相应的调节。
请参阅图5-7，具体地，本实施例的画面缩小是通过在上一个显示画面的边框60显示黑色来实现的。即当前显示画面的尺寸相比于上一个显示画面的尺寸缩小，那么当前画面外的所有区域均以黑色进行显示，也就是上一个画面围绕当前画面的边框60以黑色来显示。画面的放大过程则与缩小过程相反，即消除黑色的边框60，使下一个画面扩充至原有的黑色边框60。
头戴式显示装置还包括收容显示屏10的外壳70、设置于外壳70上的耳机80及设置于耳机80上的头箍90。控制模块20收容于外壳70内。透镜30收容于外壳70内，用于对显示屏10所发出的光线进行调节，从而使光线进入人眼。耳机80用于佩戴于用户的双耳上，以为用户提供音频输出。头箍90佩戴于用户的头上，使用户的头部分担一部分头戴式显示装置的重量，避免重量全部集中在用户的眼睛附近。外壳70内还可进一步设置给各元件供电的电池12及用于与外界的电子设备通信的通信模块14。当然，头戴式显示装置也可以包括与外壳70外接的控制盒，控制模块20、电池12及通信模块14也可以收容于控制盒内，以减轻外壳70的 重量，确保用户的佩戴舒适度。
本实施例中，耳机80的外表面进一步设有触摸屏82，用户可以通过触摸屏82输入调节信号。输入调节信号的方式可以为手势输入，比如单击、双击、滑动等。具体地，输入放大信号的手势可以为至少双指在触摸屏82上相互远离；输入缩小信号的手势可以为至少双指在触摸屏82上相互靠近。当然，放大及缩小信号还可以为其他的手势，比如手指向右滑动为放大，手指向左滑动为缩小；或者手指顺时针滑动为放大，手指逆时针滑动为缩小等。每一个手势产生一次调节信号，如果需要多次调节显示画面尺寸则需要多次手势操作。本实施例中，调节信号是基于手势中手指的移动方向来判定的，手势中手指的移动距离并不会影响调节信号，也就是说，调节信号是按照预设的缩放比例来逐级调整画面尺寸，手指的移动距离并不会影响画面尺寸的缩放程度。可以理解地，当采用无极的方式来调节画面尺寸时，此时手指的移动方向及移动距离均会对调节信号产生影响。即手指的移动方向可用来判断画面尺寸是放大还是缩小，手指的移动距离可用来判断画面尺寸的缩放程度。比如手指的移动距离达到预设距离的10％，那么画面尺寸就按照原画面尺寸的10％的比例进行缩放。当然，前述实施例当中的选择过程也同样可以通过触摸屏82来实现。比如需要选择某个座位，可直接在触摸屏82上输入座位的编号即可。可以理解地，触摸屏82也可以采用其他类型的输入设备来代替，比如安装于头戴式显示装置外壳或控制盒上的机械按键，或者是通过无线或有线方式与头戴式显示装置连接的其他电子输入设备，如手机、掌上电脑、多媒体播放设备、键盘、手柄、方向盘等等。
本发明还提供头戴式显示装置的控制方法，包括:
通过头戴式显示装置的控制模块20接收调节信号；
控制头戴式显示装置的显示屏10对显示画面的尺寸进行调节。
其中，显示画面的尺寸按照小于5％的缩放比例进行逐级调节。
其中，显示画面的尺寸按照固定的长宽比例进行调节。
其中，在通过头戴式显示装置的控制模块20接收调节信号之前还包括：
通过显示屏10显示座位40排列信息；
通过头戴式显示装置的输入设备选择座位40而产生调节信号。
其中，不同排的座位40所对应的显示画面的尺寸不同。
其中，在通过头戴式显示装置的控制模块20接收调节信号之前还包括：
通过触摸头戴式显示装置的触摸屏82产生调节信号。
其中，显示画面的尺寸根据触摸头戴式显示装置的触摸屏的次数逐级调节。
其中，显示画面的尺寸为非连续调节。
以上所述仅为本发明的较佳实施方式而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (20)

  1. 一种头戴式显示装置，包括显示屏及控制模块，其特征在于：控制模块接收调节信号，控制显示屏对显示画面的尺寸进行调节。
  2. 如权利要求1所述的头戴式显示装置，其特征在于：显示画面的尺寸为逐级调节。
  3. 如权利要求2所述的头戴式显示装置，其特征在于：每一级画面尺寸相比于上一级画面尺寸按比例缩放。
  4. 如权利要求3所述的头戴式显示装置，其特征在于：每一级画面尺寸相比于上一级画面尺寸的缩放比例小于5％。
  5. 如权利要求1所述的头戴式显示装置，其特征在于：显示画面的长宽比例固定。
  6. 如权利要求1所述的头戴式显示装置，其特征在于：显示画面的尺寸为选择调节。
  7. 如权利要求6所述的头戴式显示装置，其特征在于：显示屏显示座位排列信息，调节信号是基于座位被选择所产生。
  8. 如权利要求7所述的头戴式显示装置，其特征在于：不同排的座位所对应的显示画面的尺寸不同。
  9. 如权利要求8所述的头戴式显示装置，其特征在于：显示屏还显示位于座位前方的屏幕，越靠近屏幕的座位所对应的显示画面的尺寸越大。
  10. 如权利要求1至5任一项所述的头戴式显示装置，其特征在于：还包 括耳机及设于耳机表面的触摸屏，触摸屏接收触摸手势而产生调节信号。
  11. 如权利要求10所述的头戴式显示装置，其特征在于：显示画面的尺寸根据触摸手势的次数逐级调节。
  12. 如权利要求11所述的头戴式显示装置，其特征在于：至少两指在触摸屏上相互靠近产生缩小信号，至少两指在触摸屏上相互远离产生放大信号。
  13. 一种头戴式显示装置的控制方法，包括：
    通过头戴式显示装置的控制模块接收调节信号；
    控制头戴式显示装置的显示屏对显示画面的尺寸进行调节。
  14. 如权利要求13所述的方法，其特征在于：显示画面的尺寸按照小于5％的缩放比例进行逐级调节。
  15. 如权利要求13所述的方法，其特征在于：显示画面的尺寸按照固定的长宽比例进行调节。
  16. 如权利要求13所述的方法，其特征在于：在通过头戴式显示装置的控制模块接收调节信号之前还包括：
    通过显示屏显示座位排列信息；
    通过头戴式显示装置的输入设备选择座位而产生调节信号。
  17. 如权利要求16所述的方法，其特征在于：不同排的座位所对应的显示画面的尺寸不同。
  18. 如权利要求13至15任一项所述的方法，其特征在于：在通过头戴式 显示装置的控制模块接收调节信号之前还包括：
    通过触摸头戴式显示装置的触摸屏产生调节信号。
  19. 如权利要求18所述的方法，其特征在于：显示画面的尺寸根据触摸头戴式显示装置的触摸屏的次数逐级调节。
  20. 如权利要求13至15任一项所述的方法，其特征在于：显示画面的尺寸为非连续调节。
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