WO2009109117A1 - 防止产生不适反应的方法及近眼显示器 - Google Patents

防止产生不适反应的方法及近眼显示器 Download PDF

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Publication number
WO2009109117A1
WO2009109117A1 PCT/CN2009/070446 CN2009070446W WO2009109117A1 WO 2009109117 A1 WO2009109117 A1 WO 2009109117A1 CN 2009070446 W CN2009070446 W CN 2009070446W WO 2009109117 A1 WO2009109117 A1 WO 2009109117A1
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WIPO (PCT)
Prior art keywords
display
eye display
reference object
fixed reference
image
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PCT/CN2009/070446
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English (en)
French (fr)
Inventor
狄勇
黄峰彪
Original Assignee
Di Yong
Huang Fengbiao
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Publication date
Application filed by Di Yong, Huang Fengbiao filed Critical Di Yong
Publication of WO2009109117A1 publication Critical patent/WO2009109117A1/zh

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
    • G02B27/0172Head mounted characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • G02B2027/0141Head-up displays characterised by optical features characterised by the informative content of the display

Definitions

  • the present invention relates to a method and a near-eye display for preventing people from using a near-eye display to produce an uncomfortable reaction, in particular, a visual range that is substantially equal to a display screen in a user's field of view.
  • a method of fixing a reference object, and a near-eye display using the method It can prevent the user from paying attention to the display image, frequently adjust the focus, improve the visual fatigue of the user using the near-eye display device, and prevent symptoms such as dizziness and nausea caused by frequent focusing of the eyeball.
  • near-eye displays have begun to enter general applications.
  • the principle of near-eye displays is: Using micro-display devices to display input image signals, and virtualizing micro-display images into large-screen images through optical systems. The image is displayed at a certain distance in front of the user's eyes for a clear display.
  • virtual display and special industry displays near-eye displays do have an indispensable role, but the same display method also brings a lot of problems in use.
  • Many users at home and abroad reflect that these displays are very It is easy to cause visual fatigue, and users may experience dizziness, nausea, and even vomiting.
  • the near-eye display shows a fast-paced picture (such as watching a fast game), the crowds that cause dizziness, nausea, and even vomiting are larger, and the dizziness, nausea, and even vomiting are more serious.
  • [7] D provides a way to prevent people from using the near-eye display to produce an uncomfortable reaction, that is, to allow the user to view the displayed content while using the near-eye display, and to see a visual still reference.
  • the reference object described herein refers to a stationary object or image that can be seen by the human eye with respect to the content displayed by the near-eye display with respect to the content displayed by the near-eye display.
  • the fixed reference object described in D may be foreground content or background content.
  • the manner in which a fixed reference object is pre-combined in the content to be displayed on the near-eye display includes pre-combining the fixed reference object into the content to be displayed on the near-eye display by software, that is, the so-called ground source
  • a method of adding a fixed reference object such as a reference scene image synthesized on the foreground or background of the game image.
  • an image synthesizing device capable of generating a reference object may be disposed on the near-eye display, and the content displayed on the near-eye display is the same, and the image synthesizing device adds a fixed reference object to the displayed content.
  • a combination of the above two methods are examples of the above two methods.
  • the second method is to provide a device with a visible fixed reference object on a display device of a near-eye display or a certain range around the display device. After being operated by an electronic or optical device, it can be formed substantially the same as the display screen. A visually fixed reference within a certain range allows the user to clearly see the fixed reference while viewing the same content on the near-eye display.
  • the fixed reference object is an image
  • the image refers to a picture or pattern that can be used as a reference.
  • a near-eye display comprising a display device, a transparent sheet-like device being disposed in an optical path of a front side of the display device or a projection image thereof, and a surface of the transparent sheet-like device is provided as a fixed reference object stripe.
  • the stripes are square.
  • a visible texture such as a square, or a picture or pattern, is provided on the surface of the transparent sheet device.
  • the transparent sheet device When the transparent sheet device is placed in the optical path of the surface of the display device or its projection image, at the observer's perspective, the peer of the image can be clearly seen in the field of view, and the sheet can be clearly seen.
  • the above transparent sheet member may be attached to or attached to the front surface of the display device.
  • the sheet device is a light permeable device having an observable uniformly distributed texture on the surface of the light transmissive device, and the light transmissive device can be processed from a material that is nearly colorless, such as glass. , acrylic, plastic film, etc.
  • the transparent sheet device described in D is a mesh, and the mesh is a device close to the surface of the display device, and the user can clearly see the image in the field of view during use. At the same time, a clear grid can also be observed.
  • a near-eye display comprising a display device, wherein an opaque chip device is provided in an optical path of a front side of the display device or a projection image thereof, the opaque chip device having a pixel projected from an image projection source from an incident surface Transferred to the exit surface, the image exit surface of the opaque device is provided with a fixed reference, such as a fiber optic panel.
  • the texture on the sheet device described in D is an arbitrary geometric pattern, a regular or irregular linear or dot pattern.
  • the texture in the final viewed display image has little effect on the expressive power of the image content.
  • the fixed reference object described in D forms the boundary of the image, thereby constituting one or more display image regions, each of which displays the vertical and horizontal directions of the edge of the image region, and the viewing angle formed by the viewer's eyes is approximately : Horizontal viewing angle of 11 degrees to 15 degrees, vertical viewing angle of 7.5 degrees to 11.5 degrees.
  • a near-eye display comprising a display device and a display device control circuit, wherein the display device control circuit is provided with a module capable of generating a fixed reference object, the module providing the same at the same time as the display device displays content A fixed reference that is synthesized with the display device display content. That is, in the display device control A module for fixing a reference object is added to the circuit, for example, the module can generate a square at the same time as the display content of the display device, so that when the display device displays the content, the foreground of the displayed content of the display device or The background is a static square.
  • the module that fixes the reference can also produce other patterns or drawings. And the display content of the module that fixes the reference object is controllable.
  • the near-eye display of D wherein one or more active or passive light-emitting devices are disposed around the screen of the display device, the brightness of which is sufficient for the user's eyes to see, such as the border or illumination of the display screen.
  • the device itself is either a phosphor coated on the perimeter of the display device screen.
  • the beneficial effects of the present invention are: In the near-eye micro-display scheme, the user's eyes are focused on a fixed range of the displayed image in the field of view, or are visible in a certain range substantially far from the display screen.
  • the focus of the reference object better solves the problem that the eyeball of the user is frequently focused in the near-eye display.
  • the user's eyeball In the process of viewing the display image of the display, the user's eyeball is reduced to follow the movement of the subject in the screen image on the screen.
  • the number of auto-focusing reduces the visual fatigue caused by the near-eye display to the user's eyes, improves the difference between the optic nerve and the auditory nerve transmitted to the brain due to eye focus adjustment, and prevents dizziness and nausea.
  • FIG. 1 is a schematic plan view showing an embodiment of the present invention.
  • D Figure 2 is a plan view showing the planar structure of the chip device of Figure 1.
  • FIG. 3 is a plan view showing the planar structure of a second embodiment of the present invention.
  • D Figure 4 is a plan view showing the planar structure of a third embodiment of the present invention.
  • D Figure 5 is a plan view showing the planar structure of a fourth embodiment of the present invention.
  • FIG. 6 is a plan view showing the structure of a fifth embodiment of the present invention.
  • D Figure 7 is a plan view showing the planar structure of a sixth embodiment of the present invention.
  • D Figure 8 is a block diagram showing the principle of the seventh embodiment of the present invention.
  • D Figure 9 is a schematic view of the angle of view formed by the divided portion of the chip device of Figure 2.
  • 105-lighting device 106-screen bezel, 107-transparent substrate, 108-control electrode, 109-dash, 110-light source, 111-transparent plate, 112-eye position, 113-optical lens set.
  • the user uses the near-eye display device to reduce the number of times the user's eyeball automatically adjusts the focus and reduces the visual fatigue.
  • the key to the present invention is that the near-eye display is in use.
  • FIG. 1 is a plan view showing a near-eye display of an embodiment, wherein 102 is a display device, and the display device 102 is closely spaced or even attached to the glass plate 101 with a score line. The user is allowed to view the peer of the image on the display device 102.
  • the scribe line of the glass plate 101 can also be viewed. In this case, the glass plate 101 can be replaced with a mesh to achieve the same effect.
  • FIG. 1 is a glass plate with a score line, which is a light-transmitting visible fixed reference.
  • the transparent sheet device can also be made of a sheet material having a relatively high transparency, such as an acrylic, a plastic film or the like.
  • FIG. 3 is a schematic plan view showing a second embodiment of the present invention.
  • the optical fiber panel 103 is a sheet-shaped opaque auxiliary eye protection device, and the optical fiber panel has a pixel for transmitting the incident surface A to the exit surface B. The function of the face.
  • the device 102, the optical lens 104, and the fiber optic panel 103 are shown in the drawing relationship as shown in the figure.
  • the surface of the fiber optic panel 103 has a clearly visible texture, and the image displayed by the display device 102 is projected on the incident surface of the fiber optic panel 103.
  • the B surface of the exit surface of the optical fiber panel 103 shows the same image as the surface of the incident surface A, and the texture of the B surface of the exit surface of the optical fiber panel 103 is also superimposed on the display image, and the user views the image. At the same time, you can also see the lines.
  • FIG. 4 is a plan view showing a planar structure of a third embodiment of the present invention, wherein 106 is a frame of the display device 102, and the light-emitting device 105 is provided with an LED which can emit soft light or a reflective plate which can reflect soft light, when the display device After 102 working, the light-emitting device 105 is also present in the user's field of view. Since the light-emitting device 105 does not move with the screen content, the user is allowed to make a fixed scene reference.
  • FIG. 5 is a plan view showing a planar structure of a fourth embodiment of the present invention.
  • the substrate 107 is internally filled with liquid crystal, and the upper and lower surfaces of the substrate 107 are corresponding to the positions where the lines are formed, and the electrodes 108 are processed, and the upper and lower surfaces of the substrate 107 are electrodes 10 8 With different voltages, the liquid crystal inside the substrate 107 is deflected, and the lines of different colors and brightness are generated, and the voltage of the electrode 108 is controlled to control the display of the grain.
  • D Figure 6 is a schematic plan view showing a fifth embodiment of the present invention.
  • the light source 110 should use a light source having a relatively good unidirectionality and directivity, such as a laser light source or a light emitting diode.
  • the reticle 109 is formed with a fine transparent light-transmissive pattern on the opaque plate.
  • the light of the light source 110 can be projected on the surface of the display device 102 through the light-transmissive pattern of the reticle 109, and is superimposed on the display image.
  • the user provides a fixed reference scene, and the light source 110 is turned off, the texture of the surface of the display device 102 disappears, and the light intensity of the light source 110 is adjusted to obtain a texture with different brightness.
  • FIG. 7 is a plan view showing a plan view of a sixth embodiment of the present invention.
  • the transparent glass plate 111 is placed in the projection light path of the display device 102, and the projection light is composed of one or more optical lens groups 113, including lenses, prisms, and the like.
  • 112 is the viewing position of the user's eyes.
  • the display device is in operation, the user's eyes are viewed at 112.
  • the front environment can be seen from the rest of the transparent glass plate 111. It also achieves the effect of adjusting the focal length for the eye reference, and the peer can also play a role in observing the surrounding environment.
  • FIG. 8 is a block diagram showing the principle of the seventh embodiment of the present invention.
  • the figure mainly explains the general situation of video signal superposition.
  • the example shows that for the PAL/NTSC video signal, the synchronization signal is first separated, and the graphic for fixing the reference object and the position to be superimposed are superimposed according to the position, and the output is synthesized by the display memory control.
  • the video signal is synchronously superimposed on the original video signal by the control function of the analog switch, and generates a composite video signal output superimposed with a visible fixed reference object.
  • the superimposed visible fixed reference may be a checkered line.
  • the specifically implemented circuit is already a mature product in the market and will not be described in detail here.
  • the general principle is the same, only the specific selection of devices and circuits is different, and the specific implementation of the circuit is already a mature product on the market.
  • D Figure 9 is a schematic view of the angle of view formed by the divided portion of the chip device of Figure 2.
  • the reticle-shaped glass plate 101 has a horizontal angle of view corresponding to the observer's eye for each image region divided by the reticle, and a vertical angle of view of ⁇ , 112 being the observer's eye observation position.
  • the horizontal viewing angle ⁇ ranges from approximately 11 degrees to 15 degrees
  • the vertical viewing angle ⁇ ranges from approximately 7.5 degrees to 11.5 degrees.
  • the glass plate 101 with the score line is divided by the reticle line which is relatively stationary with the human eye, and forms a plurality of image regions, the vertical and horizontal directions of the edges of each image region, and the angle of view formed by the eyes of the viewer. Approximate: the horizontal viewing angle is 11 degrees to 15 degrees, and the vertical viewing angle is 7.5 degrees to 11.5 degrees.
  • the present invention establishes a focus of a user's eyeball on a visible fixed reference object in a display image by displaying a synthesized image or a method of establishing a visible fixed reference object in a field of view, or substantially equalizing the display screen.
  • the focus of the fixed reference object can be visualized within a certain range, thereby reducing the number of automatic focusing caused by the user's eyeball following the movement of the subject in the screen image on the screen, thereby reducing symptoms such as dizziness and nausea.
  • the purpose of reducing the number of times of focusing on the eye of the user can be achieved, and the visual fatigue condition of the user's eyes can be improved, and the application space is broad. .

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Description

Description
防止产生不适反应的方法及近眼显示器
技术领域
[1] 本发明涉及一种防止人们使用近眼显示器吋产生不适反应的方法及近眼显示器 , 具体地说是一种可以在使用者视野中, 与显示屏幕大致等远的一定范围内, 产生可视固定参照物的方法, 和釆用此方法的近眼显示器。 它可以防止使用者 眼睛在观看显示图像吋频繁的调焦, 改善使用者使用近眼显示器器吋的视疲劳 状况, 防止因眼球频繁调焦而产生的头晕、 恶心等症状的发生。
[2]
背景技术
[3] 随着科技的发展, 近眼显示器已经幵始进入一般应用领域, 近眼显示器的原理 是: 釆用微显示器件, 显示输入的图像信号, 通过光学系统将微显示图像虚拟 为大屏幕图像, 成像在使用者眼前一定距离处, 达到清晰的显示效果。 用于便 携显示、 虚拟显示和特殊行业显示器, 近眼显示器确实有不可或缺的作用, 但 同吋这种显示方式也带来了很多使用上的问题, 国内外众多使用者都反映这类 显示器很容易造成视觉疲劳, 使用者会发生不同程度的头晕、 恶心、 甚至呕吐 的情况。 尤其是在近眼显示器所显示的内容是快节奏画面 (如观看快速游戏) 吋, 其产生头晕、 恶心、 甚至呕吐的人群面更大, 产生的头晕、 恶心、 甚至呕 吐现象更严重。
Disclosure of Invention
发明内容
[4] 针对上述提到的现有近眼显示器在使用过程中都存在着容易造成使用者产生头 晕、 恶心、 甚至呕吐, 而且, 画面越大, 虚拟距离越近, 产生头晕、 恶心、 甚 至呕吐的现象就越明显的问题, 向社会提供一种防止人们使用近眼显示器吋产 生不适反应的方法及其近眼显示器。
[5] D本发明的技术方案是:
[6] D 医学证明, 当使用者在使用近眼显示器器吋, 由于近眼显示器所显示的画面 很大, 使用者的眼睛受画面内容吸引, 容易产生眼球跟随屏幕内容主体变换而 频繁调焦的问题, 从而造成视神经和位听神经的反应产生混乱, 因此, 使用者 就会产生不同程度的头晕、 恶心、 甚至呕吐的情况。
[7] D提供一种防止人们使用近眼显示器吋产生不适反应的方法, 就是让使用者在 使用近眼显示器器观看显示内容的同吋, 也可以看到可视的静止的参照物。
[8] D本文中所述的参照物是指相对于近眼显示器所显示的内容而言, 与所述近眼 显示器所显示的内容可被人眼同吋看见的静止的物体或图像。
[9] D所述的可视的静止的参照物的设置方式有三种, 一种方式是利用图像合成的 方法, 在近眼显示器所要显示的内容中预先合成有固定的参照物。 [10] D所述的固定的参照物可以是前景内容, 也可以是背景内容。
[11] D所述在近眼显示器所要显示的内容中预先合成有固定的参照物的方式, 包括 预先用软件将固定的参照物合成在近眼显示器所要显示的内容之中, 即所谓地 对片源添加固定的参照物的办法, 比如说在游戏图像的前景或背景上合成有参 照景物图像。 也可以是在所述近眼显示器上设置能生成参照物的图像合成器件 , 在近眼显示器显示的内容同吋, 所述图像合成器件给所述显示的内容添加固 定的参照物。 或者是上述两种方法的结合。
[12] D第二种方式是在近眼显示器的显示器件上或显示器件周边一定范围内设置有 可视的固定参照物的器件, 经过电子或光学器件作用后, 可以形成与显示屏幕 大致等远的一定范围内的可视固定的参照物, 让使用者在观看近眼显示器上显 示内容的同吋, 可以清楚地看见固定的参照物。
[13] D 当所述固定的参照物是图像吋, 其图像是指可做参照物的图画或图案。
[14] D一种近眼显示器, 包括显示器件, 在所述显示器件前侧或其投影成像的光路 中设有透明片状器件, 在所述透明片状器件的表面设有作为固定参照物的条纹 。 所述条纹为方格状。
[15] D具体地说, 在透明片状器件表面设有可视的纹路, 如方格, 或图画或图案。
当把所述的透明片状器件置于显示器件表面或其投影成像的光路中吋, 在观察 者的角度, 可以在视野中看清楚显示图像的同吋, 也可以看清楚所述的片状器 件表面的纹路、 图画或图案, 或所述纹路、 图画或图案在显示图像上的投影。
[16] D上述的透明片状器件可以是靠近或贴附在显示器件前表面的。 所述片状器件 是一个光可透过器件, 在所述的透光器件表面有可观测到的均匀分布的纹路, 所述透光器件可以用是接近无色的材料加工而成, 如玻璃、 亚克力、 塑胶薄膜 等。
[17] D所述的透明片状器件是网状物, 所述网状物是靠近显示器件表面的器件, 所 述网状物在使用过程中, 使用者可以在视野中看清楚显示图像的同吋, 也可以 观测到清晰的网格。
[18] D一种近眼显示器, 包括显示器件, 在所述显示器件前侧或其投影成像的光路 中设有不透明片状器件, 该不透明片状器件具有将图像投射源投影的像素由入 射面传递到出射面的作用, 所述的不透明器件的图像出射面设有固定参照物, 如光纤面板。
[19] D所述的片状器件上的纹路是任意的几何图形, 规则或不规则的线状或点状图 形。 所述的纹路在最终观看的显示图像中, 对图像内容的表现力影响不大。
[20] D所述的固定参照物形成图像的边界, 从而构成一个或多个显示图像区域, 其 每个显示图像区域边缘的垂直与水平方向, 与观看者的眼睛所形成的视角范围 大致为: 水平视角 11度至 15度, 垂直视角 7.5度至 11.5度。
[21] D一种近眼显示器, 包括显示器件和显示器件控制电路, 在所述显示器件控制 电路中设有一个可以产生固定参照物的模块, 该模块在显示器件显示内容的同 吋, 提供可与显示器件显示内容合成的固定参照物。 也就是说, 在显示器件控 制电路中加设一个固定参照物的模块, 比如说, 该模块可在显示器件显示内容 的同吋产生方格, 这样, 当在显示器件显示内容的同吋, 显示器件所显示内容 的前景或背景是静止的方格。 当然, 固定参照物的模块也可以产生其它的图案 或图画。 并且固定参照物的模块的显示内容是可控的。
[22] D所述的近眼显示器, 在所述显示器件屏幕的周围设有一个或一个以上的主动 或被动型发光器件, 其亮度足以让使用者的眼睛看到, 比如显示屏幕的边框或 发光器件本身或为涂覆在所述显示器件屏幕的四周方框上的荧光粉。
[23] D本发明的有益效果是: 本发明是在近眼微显示方案中, 建立使用者眼睛对视 野中显示图像内固定景物的对焦, 或与显示屏幕大致等远的一定范围内可视固 定参照物的对焦, 比较好地解决了近眼显示器普遍存在的使用者眼球频繁调焦 的问题, 在观看显示器显示图像过程中, 降低使用者眼球跟随屏幕图像中所关 注主体在屏幕上移动而产生的自动调焦次数, 减轻了近眼显示器给使用者眼睛 带来的视疲劳, 改善因眼睛调焦导致视神经和位听神经传递给大脑关于人体运 动信息的差异, 防止因此而产生的头晕、 恶心等症状。
附图说明
[24] 图 1是本发明一种实施例的平面结构示意图。
[25] D 图 2是图 1中的片状器件的平面结构示意图。
[26] D 图 3是本发明第二种实施例平面结构示意图。
[27] D 图 4是本发明第三种实施例平面结构示意图。
[28] D 图 5是本发明第四种实施例平面结构示意图。
[29] D 图 6是本发明第五种实施例平面结构示意图。
[30] D 图 7是本发明第六种实施例平面结构示意图。
[31] D 图 8是本发明第七种实施例原理框图。
[32] D 图 9是图 2中片状器件被分割后的局部所形成的视角的示意图
[33] D 图中, 101-带有刻线的玻璃板, 102-显示器件,
103-光纤面板, 104-光学镜片,
105-发光器件, 106-屏幕边框, 107-透明基板, 108-控制电极, 109-划线板, 110 -光源, 111-透明板, 112-眼睛位置, 113-光学镜片组。
具体实施方式
[34] 下面将结合附图和具体实施方式对本发明作进一步说明。
[35] D为了达到提供近眼显示器可视固定参照物, 在使用者使用近眼显示器器吋, 减少使用者眼球自动调焦的次数, 降低视疲劳的目的, 本发明的关键, 在于近 眼显示器在使用过程中, 其视野中在显示图像内部或显示图像大致等远的周边 范围, 存在有可视的固定参照物, 可以让使用者在看清楚显示图像的同吋, 也 可以看清楚所述的固定参照物, 比如合成在图像上的固定前景或某几何图案, 或近眼显示器显示光路中存在带有某种纹路的片状器件或网状器件, 以及可以 达到同样目的的主动或被动光源, 还有釆用电子控制能够在近眼显示器视野里 呈现周围环境景物的器件。 对于在输入图像上, 合成可以作为固定的可视参照 物的条纹图像或某种几何图案, 是已经成熟的电子技术, 在此不再详述。
[36] D下面参考附图详细介绍本发明近眼显示器的结构。
[37] D参看附图 1, 图 1所示为一种实施例近眼显示器平面示意图, 其中 102为显示 器件, 显示器件 102与带有刻线的玻璃板 101的距离很近, 甚至贴合, 让使用者 在观看显示器件 102上图像的同吋。 也可以观看到玻璃板 101的刻线, 此种使用 情况, 玻璃板 101可以用网状物替代, 可以达到相同的效果。
[38] D请参见图 2, 图 2是图 1中的透明片状器件的平面结构示意图。 101为带有刻线 的玻璃板, 属于透光型可视固定参照物。 本透明片状器件还可用透明度较高的 片状材料制作, 如亚克力、 塑胶薄膜等。
[39] D 图 3是本发明第二种实施例平面结构示意图, 光纤面板 103为一种片状不透光 型辅助护目器件, 光纤面板具有将入射面 A面图像像素传递到出射面 B面的功能 。 图中显示器件 102, 光学镜片 104, 光纤面板 103构成如图所示的投影关系, 光 纤面板 103的表面存在可以清晰观测到的纹路, 当显示器件 102显示的图像投射 在光纤面板 103的入射面 A面吋, 光纤面板 103的出射面 B面就显示出与其入射面 A面相同的图像, 同吋光纤面板 103的出射面 B面的纹路也叠加在显示图像上, 使 用者在观看到图像的同吋, 也可以观看到纹路。
[40] D 图 4是本发明第三种实施例平面结构示意图, 图中 106为显示器件 102的边框 , 发光器件 105用可以发出柔和光线的 LED或可以反射柔和光线的反射板, 当显 示器件 102工作吋, 发光器件 105同吋也出现在使用者的视野中, 因发光器件 105 不会随屏幕内容移动, 也就达到了给使用者做固定景物参考的作用。
[41] D 图 5是本发明第四种实施例平面结构示意图, 基板 107内部注有液晶, 基板 10 7上下表面, 对应形成纹路的位置, 加工有电极 108, 当基板 107上下表面电极 10 8加上不同电压吋, 基板 107内部液晶发生偏转, 产生不同色彩和亮度的纹路, 控制电极 108的电压, 就可以达到控制纹路显示与否的目的。
[42] D 图 6是本发明第五种实施例平面结构示意图, 光源 110应釆用单向性和方向性 都比较好的光源, 如激光光源或发光二极管。 划线板 109是在不透光板上加工有 极细的透光纹路, 光源 110的光线可以通过划线板 109的透光纹路, 投射在显示 器件 102的表面, 与显示图象叠加, 给使用者提供固定参考景物, 关闭光源 110 吋, 显示器件 102表面的纹路消失, 调整光源 110的光线强弱, 可以得到不同亮 度的纹路。
[43] D 图 7是本发明第六种实施例平面结构示意图, 透明玻璃板 111放置在显示器件 102的投影光路中, 投影光路由一个或多个光学镜片组 113组成, 包括透镜、 棱 镜等, 112为使用者眼睛观察位置, 当显示器件工作吋, 使用者的眼睛在 112位 置观看, 除可以观察到投影光路中的图像外, 还可以从透明玻璃板 111其余部分 看到前方的环境景物, 同样达到给眼球参考调整焦距的作用, 同吋还可以起到 观察周围环境的作用。
[44] D 图 8是本发明第七种实施例原理框图。 图中主要讲解视频信号叠加的一般处 理方式, 图中示例为对于 PAL/NTSC制式视频信号, 首先分离出其同步信号, 再 根据需叠加的用于做固定参照物的图形, 和需要叠加的位置, 通过显示存储器 控制, 输出合成的视频信号, 经模拟开关的控制作用, 同步叠加在原视频信号 上, 产生叠加有可视固定参照物的复合视频信号输出。 其叠加的可视固定参照 物可以是方格线。 具体实现的电路已经是市场成熟的产品, 在此不再详述。 对 于在 VGA模拟信号或数字视频信号的叠加, 大致原理雷同, 只是具体选择器件 与电路不同, 具体实现的电路也已经是市场上成熟的产品。
[45] D 图 9是图 2中片状器件被分割后的局部所形成的视角的示意图。 图 2中带刻线 的玻璃板 101, 其被刻线分割的每个图像区域对应观察者眼睛的水平视角为 α, 垂直视角为 β, 112为观察者眼睛观察位置。 其中, 水平视角 α的范围大致为 11度 至 15度, 垂直视角 β的范围大致为 7.5度至 11.5度。 即带刻线的玻璃板 101, 被和 人的眼睛相对静止的刻线分割后, 形成多个图像区域, 其每个图像区域边缘的 垂直与水平方向, 与观看者的眼睛所形成的视角范围大致都为: 水平视角 11度 至 15度, 垂直视角 7.5度至 11.5度。
[46] D综上所述, 本发明通过显示合成的图像或建立视野中可视固定参照物的方法 , 建立使用者眼球对显示图像内可视固定参照物的对焦, 或与显示屏幕大致等 远的一定范围内可视固定参照物的对焦, 从而降低使用者眼球跟随屏幕图像中 所关注主体在屏幕上移动而产生的自动调焦次数, 降低因此而产生的头晕、 恶 心等症状。 同吋, 根据本发明所述的原理和器件功能, 若应用于一般大屏幕显 示领域, 同样可以达到降低使用者眼球调焦次数的目的, 改善使用者眼睛的视 疲劳状况, 具有广阔的应用空间。
[47] D上述实施例为本发明优选实施方式, 其它凡其原理和基本结构与本发明相同 或相近的, 均在本发明保护范围之内。

Claims

Claims
权利要求书
ι、 一种防止使用近眼显示器吋产生不适反应的方法, 其特征在于: 让使用 者在使用近眼显示器观看显示内容的同吋, 也可以看到可视的静止的参照 物。
2、 根据权利要求 1所述的方法, 其特征在于: 所述的可视的静止的参照物 的设置方式是利用图像合成的方法, 在近眼显示器所要显示的内容中预先 合成有固定的参照物。
3、 根据权利要求 2所述的方法, 其特征在于: 在近眼显示器所要显示的内 容中预先合成有固定的参照物的方式是预先用软件将固定的参照物合成在 近眼显示器所要显示的内容中之中的。
4、 根据权利要求 2所述的方法, 其特征在于: 在近眼显示器所要显示的内 容中预先合成有固定的参照物的方式是在所述近眼显示器上设置能生成参 照物的图像合成器件, 在近眼显示器显示的内容同吋, 所述图像合成器件 给所述显示的内容添加固定的参照物。
5、 根据权利要求 2、 3或 4所述的方法, 其特征在于: 所述的固定的参照物 可以是前景内容或是背景内容。
6、 根据权利要求 1所述的方法, 其特征在于: 所述的可视的静止的参照物 的设置方式是在近眼显示器的显示器件上或显示器件周边一定范围内设置 有可视的固定参照物的器件, 经过电子或光学器件作用后, 可以形成与显 示屏幕大致等远的一定范围内的可视固定的参照物, 让使用者在观看近眼 显示器上显示内容的同吋, 可以清楚地看见固定的参照物。
7、 根据权利要求 1所述的可视的静止的参照物, 其特征在于: 所述的参照 物形成图像的边界, 从而构成一个或多个图像区域, 其每个图像区域边缘 的垂直与水平方向,与观看者的眼睛所形成的视角范围大致为: 水平视角 11 度至 15度, 垂直视角 7.5度至 11.5度。
8、 一种近眼显示器, 包括显示器件, 其特征在于: 在所述显示器件前侧或 其投影成像的光路中设有透明片状器件, 在所述透明片状器件的表面设有 固定参照物。
9、 根据权利要求 8所述的近眼显示器, 其特征在于: 所述固定参照物为纹 路、 图案或图画。
10、 根据权利要求 8所述的近眼显示器, 其特征在于: 所述的透明片状器件 是网状物。
11、 一种近眼显示器, 包括显示器件, 其特征在于: 在所述显示器件前侧 或其投影成像的光路中设有不透明片状器件, 该不透明片状器件具有将图 像投射源投影的像素由入射面传递到出射面的作用, 所述的不透明器件的 图像出射面设有固定参照物。
12、 根据权利要求 11所述的近眼显示器, 其特征在于: 所述不透明片状器 件是光纤面板。
13、 一种近眼显示器, 包括显示器件, 其特征在于: 在所述显示器件屏幕 的周围设有一个或一个以上的主动或被动型发光器件。
14、 根据权利要求 13所述的近眼显示器, 其特征在于: 所述发光器件为 LE D。
15、 根据权利要求 13所述的近眼显示器, 其特征在于: 所述发光器件为涂 覆在所述显示器件屏幕的四周方框上的荧光粉。
16、 一种近眼显示器, 包括显示器件和显示器件控制电路, 其特征在于: 在所述显示器件控制电路中设有一个可以产生固定参照物的模块, 该模块 在显示器件显示内容的同吋, 提供可与显示器件显示内容合成的固定参照 物。
PCT/CN2009/070446 2008-03-06 2009-02-17 防止产生不适反应的方法及近眼显示器 WO2009109117A1 (zh)

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