WO2018187955A1 - Procédé d'affichage proche de l'œil ayant un effet de mise au point - Google Patents

Procédé d'affichage proche de l'œil ayant un effet de mise au point Download PDF

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Publication number
WO2018187955A1
WO2018187955A1 PCT/CN2017/080202 CN2017080202W WO2018187955A1 WO 2018187955 A1 WO2018187955 A1 WO 2018187955A1 CN 2017080202 W CN2017080202 W CN 2017080202W WO 2018187955 A1 WO2018187955 A1 WO 2018187955A1
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WO
WIPO (PCT)
Prior art keywords
display
image
module
light
pixels
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PCT/CN2017/080202
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English (en)
Chinese (zh)
Inventor
陈台国
蔡宏斌
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陈台国
蔡宏斌
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Application filed by 陈台国, 蔡宏斌 filed Critical 陈台国
Priority to PCT/CN2017/080202 priority Critical patent/WO2018187955A1/fr
Publication of WO2018187955A1 publication Critical patent/WO2018187955A1/fr

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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

Definitions

  • the invention relates to a near-eye display method with focusing effect, in particular to a method capable of overlapping beams emitted by any pixel on one or two display modules to generate focus, so that the output image can be clearly displayed.
  • the near eye display method is a method capable of overlapping beams emitted by any pixel on one or two display modules to generate focus, so that the output image can be clearly displayed.
  • the near-eye display is a good choice for portable personal information devices because of its portability and the ability to update and deliver images, colors or text at any time in conjunction with electronic devices.
  • Early near-eye displays were mostly military or government use. Recently, some manufacturers have seen business opportunities and introduced near-eye displays to homes. In addition, entertainment-related industry also sees the potential of this market, such as home game instruments and game software related manufacturers have invested in research and development.
  • the near-eye display includes a head-mounted display (HMD) that projects images directly into the viewer's eyes.
  • HMD head-mounted display
  • This type of display can overcome other action display form factors by synthesizing a virtual large-format display surface. Available in a limited screen size, or for virtual or augmented reality applications.
  • the near-eye display can be subdivided into two major categories: immersive displays and see-through displays.
  • An immersive display can be employed in a virtual reality (VR) environment to fully encompass the user's field of view using a composite rendered image.
  • VR virtual reality
  • AR augmented reality
  • a see-through display can be used in which text, other synthetic annotations, or images can be overlaid in the field of view of the user in a physical environment.
  • AR applications require a translucent display (eg, by optical or electro-optic methods) such that a near-eye display can be used to simultaneously view the physical world.
  • the human eye cannot focus (focus) on the fact that the object is placed at a close distance (for example, when the user is wearing glasses, reading the distance between the lens of the magnifying glass and the user's eyes). Difficult to construct. Therefore, the near-eye display must be adjusted to make the viewer comfortable to use, otherwise it will lead to the occurrence of defocus, etc., but the traditional use of complex and cumbersome optical components to adjust, but because of the near-eye display Most of them must be worn directly on the viewer's head, so too clunky near-eye displays are often not acceptable to consumers.
  • the present invention discloses a near-eye display method having a focusing effect, which is characterized in that:
  • At least one or at least two display modules and at least one image output module capable of being processed by the collimation technology can be disposed on a near-eye display, and at least one image can be output to the display module through the image output module Up;
  • the beams emitted by any of the pixels on the display module of one or at least two collimated technologies can be overlapped so that the image output by the image output module can be transmitted through at least two pixels.
  • the beams overlap to produce focus.
  • the collimation technique is used to direct the direction of the light beam emitted by any of the pixels on the display module.
  • the collimation technology is used to guide the light through the micro-lens technology, the optical well technology or the micro-lens technology combined with the photo-well technology to guide the light on the display module, wherein the micro-lens technology changes the light through at least one microlens.
  • the light well technology uses a light well to make the light passing through the well straight forward.
  • the display module can be processed by using a collimation technique or a microlens technology to make the display module have a positive light guiding effect.
  • the manufacturing process of the display module is made of a semiconductor.
  • the lead angle technique can be processed by the lead angle technique to adjust the image display angle of the light beam emitted by any pixel, so that the light beam emitted by any pixel on the two or more display modules processed by the collimation technique
  • the lines can overlap to produce focus.
  • the lead angle technique is configured to perform a cornering process for each pixel or a cornering process for each image to make the angle of each image output to the display module different.
  • the display module is a transparent display or a non-transparent display.
  • only one display module processed by the collimation technology can perform time-difference interactive imaging so that the light beams emitted by any pixel in a short time can overlap at least twice to generate focus.
  • the display module can be a flat single layer display, a flat multi-layer display, a curved single layer display, a curved multi-layer display or a flat/curved multi-layer display.
  • the display module when the display module is a curved multi-layer display or a planar multi-layer display, beams emitted by any pixel on different layers overlap to produce a focused image, which may result in different focusing distances due to multiple layers, Can change the depth of field.
  • the near-eye display further includes a light field capturing module, wherein the light field capturing module is capable of capturing and capturing a multi-point light field signal of the image in front of the display module, and inputting the light field signal into the display module
  • the multi-point light field signal is emitted by the display module through a plurality of pixels to emit a light beam, and the light beams emitted by the plurality of pixels overlap to generate an image that is focused to represent a multi-point light field.
  • the multi-point light field signal captured by an external device can be captured, and the multi-point light field signal captured by the display module transmits the light beam through multiple pixels, and passes through multiple pixels.
  • the emitted beams overlap to produce an image that is focused to represent a multi-point light spot.
  • the image adjustment module is further connected to the image output module for enabling the image output by the image output module to transmit at least two images.
  • the beams emitted by the pixels overlap to produce a focused image for comparison and adjust the overlapped angle so that the focused image can be identical to the image output by the image output module.
  • the present invention can achieve the above-mentioned near-eye display method with focusing effect, which can make the beams emitted by any pixel on one or two display modules overlap to generate focus, so that the output image can be clearly displayed. This eliminates the need for bulky optical components and also saves the extra cost of using bulky optical components.
  • Fig. 1 is a flow chart showing a near-eye display method with a focusing effect of the present invention.
  • FIG. 2 is a schematic view showing the architecture of a near-eye display of the near-eye display method with a focusing effect of the present invention.
  • FIG. 3A is a side view showing the structure of a display module of the near-eye display method with the focusing effect of the present invention.
  • FIG. 3B is a schematic view showing the front structure of the display module of the near-eye display method with the focusing effect of the present invention.
  • Fig. 4 is a first embodiment diagram of a near-eye display method having a focusing effect of the present invention.
  • Fig. 5 is a second embodiment of the near-eye display method with focusing effect of the present invention.
  • Fig. 6 is a third embodiment of the near-eye display method with focusing effect of the present invention.
  • Fig. 7 is a fourth embodiment of the near-eye display method with focusing effect of the present invention.
  • Fig. 8 is a fifth embodiment of the near-eye display method with focusing effect of the present invention.
  • Fig. 9A is a sixth embodiment of the near-eye display method with focusing effect of the present invention.
  • Fig. 9B is a sixth embodiment of the near-eye display method with focusing effect of the present invention.
  • Figure 10A is a schematic illustration of light transmission through a light well in the present invention.
  • Fig. 10B is a schematic view showing the addition of a microlens in the present invention.
  • FIG. 1 is a schematic flow chart of a near-eye display method with a focusing effect according to the present invention. As can be seen from the figure, the steps are as follows:
  • At least one or at least two display modules and at least one image output module capable of being processed by the collimation technology can be disposed on a near-eye display, wherein at least one image can be output to the display through the image output module 101 on the module;
  • the beam emitted by any of the pixels on one or at least two of the collimated display modules can be overlapped so that the image output by the image output module can pass at least two pixels.
  • the emitted beams overlap to produce a focus 102.
  • the near-eye display has at least one display module 1, an image output module 2, an image adjustment module 3, and a light field capture module 4, wherein the display module 1 passes by Collimation technology processing, wherein the collimation technique is used to direct the direction of light of a light beam emitted by any pixel on the display module, and the collimation technique is as follows:
  • the collimation technology or the microlens technology can be used for processing, so that the display module has the effect of guiding the light to achieve the purpose of image focusing.
  • the light 110 when the light source 11 passes through the light well 112 formed by the above-mentioned optical well technology, the light 110 will advance straight, but since the light has scattering characteristics, part of the light 110 will still diverge, so As shown in Fig. 10B, if a microlens 113 is added to the optical well 112, the divergent light will be directed to allow the light 110 to go straight out.
  • the present invention in order to allow the beam lines emitted by any two pixels to overlap and focus, the present invention must be processed by a lead angle technique to adjust the image display angle of the beam emitted by any pixel, wherein the lead angle technique processing system In order to perform a cornering process for each pixel or a cornering process for each image, the angle of each image output to the display module is different.
  • the lead angle technique mentioned in the present invention is to perform a cornering process for each pixel or a cornering process for each image, so that the angle of each image outputted to the display module 1 is different, so that two The above images can be overlapped and merged.
  • the above mentioned lead angle technique is described as follows:
  • the lead-in processing can be performed on the display module 1 so that the direction of the light can be adjusted at the lead angle of the display module 1 to achieve overlapping and converging of two or more images;
  • the image display angles output by the image output module 2 can be made different so that two or more images can be overlapped and merged. In this state, the angle at which the image output module 2 itself outputs images must be adjusted.
  • each pixel can directly emit a beam of light, and the lens is processed to adjust any pixel.
  • the image display angle of the emitted light beam is as shown in FIG. 3A.
  • the display module 1 has a plurality of light sources 11 (Lens), and the light source 11 has a plurality of pixels 111 (pixel, the pixel 111 can For the three values of RGB adjustment, for example, the pixel 111 can be adjusted to be an R value, a G value, or a B value).
  • the illumination source 11 on the front side of the display module 1 can have a plurality of different/identical RGB pixels 111 (for example, the inside of the illumination source 11 can be more than one different/same RGB pixels 111), or It is possible to have only one pixel 111 inside the light source 11 (the pixel 111 can be an R value, a G value, or a B value).
  • the display module 1 can be a transparent display or a non-transparent display, and the display module 1 can also be a flat single layer display, a flat multi-layer display, a curved single layer display, a curved multi-layer display or a plane. / curved multi-layer display, and for multi-layer displays are explained as follows:
  • the display module 1 is a curved multi-layer display, beams emitted by any of the pixels on different layers overlap to produce a focused image, which may result in different focus distances due to multiple layers to change the depth of field. ;
  • the display module 1 is a planar multi-layer display
  • time-interval interactive imaging is required to enable the beams emitted by any of the pixels on different layers to overlap and produce a focused image
  • the plane is more Layer displays can produce different focus distances due to the multi-layer structure to be able to change the depth of field.
  • the display module 1 when the display module 1 is a planar multi-layer display, the beams emitted by the pixels aligned by the first layer plane 12 and the second layer plane 13 can overlap to form a human eye 5 can be seen. Focused image 61.
  • the display module 1 when the display module 1 is a curved multi-layer display, the beams emitted by the pixels aligned by the first layer curved surface 14 and the second layer curved surface 15 can overlap to form a human eye 5 can be seen.
  • the focused image 62 but due to the characteristics of the curved surface, it is possible to adjust the image size of two or more curved surfaces or adjust the curvature of the curved surface so that the beams emitted by the collimated pixels can more accurately overlap. .
  • the display module 1 when the display module 1 is a curved/planar hybrid multi-layer display, the beams emitted by the pixels aligned by the first layer plane 16 and the second layer curved surface 17 can overlap to form the human eye 5 .
  • the focused image 63 can be seen, but due to the characteristics of the curved surface, it is necessary to adjust the image size of two or more curved surfaces or adjust the curvature of the curved surface so that the beam emitted by the collimated pixel can be more Accurate overlap.
  • the beams emitted by the pixels of the two different display modules 1 can be overlapped to form a focused image 64 that can be seen by the human eye 5 .
  • the range of light beams emitted by any of the pixels on the two display modules 1 can also be expanded. As shown in FIG. 8, two display modes can be enabled.
  • the light beams emitted by any of the pixels on the group 1 can be partially overlapped, so that the image output by the image output module 2 can be overlapped by the beams emitted by the at least two pixels to generate a focused image 65, wherein
  • the angle range of the light beam emitted by any pixel on the display module 1 can be 0 to 40 degrees.
  • Group 1 is general, so time-interval interactive imaging must be performed so that the beams emitted by any of the pixels can overlap at least twice in a short time to produce focus, as shown in FIG. 9A, one of the pixels on the display module 1 The first beam image 66 will be sent first. Then, as shown in FIG. 9B, another pixel on the display module 1 will first emit a second beam image to overlap with the first beam image. The focused image 67 that the eye 5 can see.
  • the light field capturing module 4 can capture and capture the multi-point light field signal of the image in front of the display module 1 and input it into the display module 1 to be multi-pointed by the display module 1
  • the light field signal emits a light beam through a plurality of pixels, and the light beams emitted by the plurality of pixels overlap to generate an image that is focused to represent a multi-point light field;
  • the so-called light field refers to the collection of light in any direction from any point in space.
  • a light field camera it is a lens (Main Lens) and image of a general camera.
  • a microlens array Movable Lens array
  • Photosensor insert a microlens array (Microlens Array) consisting of neatly arranged miniature lenses, one for each pixel;
  • the light field camera (light field capturing module 4) can completely record the information of most of the light transmitted through the lens, such as the intensity of the light, the trajectory of the light, the direction of the light, etc., and the present invention further develops the light.
  • the information is transmitted through the beam of light and is focused by at least two overlaps to present a focused image represented by the multi-point light field;
  • the present application can also transmit the multi-point light field signal captured by an external device directly to the near-eye display without using the light field capturing module 4 (rather than through the optical field capturing mode).
  • the group 4 captures the multi-point light field signal), and then the display module 1 transmits the captured multi-point light field signal through a plurality of pixels to emit a light beam, and the light beams emitted by the plurality of pixels overlap. Producing an image showing the focus of the multi-point light scene.
  • the display module 1 transmits the captured multi-point light field signal through a plurality of pixels.
  • the light beam, and the overlapping of the light beams emitted by the plurality of pixels produces an image in which the focus represents a multi-point light field, and the focused image is generated by the overlapping of the beams emitted by any of the pixels on the different layers.
  • Layers and different focusing distances can be used to change the depth of field. Therefore, the multi-point light field signal captured by the present application can restore the image with depth of field through the multi-layer structure (the processing output of the general light field signal can only present a plane. And can't achieve the effect of depth of field).
  • the image output module 2 connected to the image output module 2 must pass through the image outputted by the image output module 2
  • the beams emitted by the at least two pixels overlap to produce a focused image for comparison and adjust the overlapped angle to adjust the focused image to be as close as possible or identical to the image output by the image output module.
  • the present invention enables the beams emitted by any of the pixels on one or two display modules to be overlapped to produce a focus so that the output image can be clearly displayed, thus eliminating the need for bulky optical components.
  • the additional cost of using bulky optical components can be saved.

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Abstract

La présente invention concerne un procédé d'affichage proche de l'œil ayant un effet de mise au point. Au moins un ou deux modules d'affichage (1) traités par une technologie de collimation et au minimum un module de délivrance d'image (2) peuvent être disposés sur un afficheur proche de l'œil. Au moins une image peut être délivrée au module d'affichage (1) au moyen du module de délivrance d'image (2) (101). Des faisceaux lumineux émis par n'importe quel pixel dans lesdits modules d'affichage (1) traités par une technologie de collimation peuvent se chevaucher, de sorte que l'image délivrée par le module de délivrance d'image (2) peut faire l'objet d'une mise au point au moyen du chevauchement des faisceaux lumineux émis par au moins deux pixels (102).
PCT/CN2017/080202 2017-04-12 2017-04-12 Procédé d'affichage proche de l'œil ayant un effet de mise au point WO2018187955A1 (fr)

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PCT/CN2017/080202 WO2018187955A1 (fr) 2017-04-12 2017-04-12 Procédé d'affichage proche de l'œil ayant un effet de mise au point

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111323918A (zh) * 2018-12-17 2020-06-23 施轩杰 一种显示与成像共享光路方案

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CN106054393A (zh) * 2016-08-10 2016-10-26 成都虚拟世界科技有限公司 一种近眼显示***以及虚拟现实设备
CN106526864A (zh) * 2017-01-05 2017-03-22 京东方科技集团股份有限公司 显示装置和显示方法

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Publication number Priority date Publication date Assignee Title
KR20150084603A (ko) * 2014-01-14 2015-07-22 엘지전자 주식회사 눈 근접 디스플레이 및 이를 구비하는 웨어러블 디바이스
CN105739093A (zh) * 2014-12-08 2016-07-06 北京蚁视科技有限公司 透过式增强现实近眼显示器
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CN105911700A (zh) * 2016-07-01 2016-08-31 成都理想境界科技有限公司 近眼显示***、虚拟现实设备及增强现实设备
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CN106526864A (zh) * 2017-01-05 2017-03-22 京东方科技集团股份有限公司 显示装置和显示方法

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Publication number Priority date Publication date Assignee Title
CN111323918A (zh) * 2018-12-17 2020-06-23 施轩杰 一种显示与成像共享光路方案

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