WO2018048017A1 - 반사 렌즈 모듈 - Google Patents
반사 렌즈 모듈 Download PDFInfo
- Publication number
- WO2018048017A1 WO2018048017A1 PCT/KR2016/013095 KR2016013095W WO2018048017A1 WO 2018048017 A1 WO2018048017 A1 WO 2018048017A1 KR 2016013095 W KR2016013095 W KR 2016013095W WO 2018048017 A1 WO2018048017 A1 WO 2018048017A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reflector
- lens module
- user
- image
- reflective lens
- Prior art date
Links
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Images
Classifications
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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
- G02B27/0172—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
- G02B27/0075—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. increasing, the depth of field or depth of focus
-
- 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
- G02B27/0101—Head-up displays characterised by optical features
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- 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
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- 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
- G02B27/0179—Display position adjusting means not related to the information to be displayed
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T19/00—Manipulating 3D models or images for computer graphics
- G06T19/006—Mixed reality
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/006—Systems in which light light is reflected on a plurality of parallel surfaces, e.g. louvre mirrors, total internal reflection [TIR] lenses
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- G02B2027/0127—Head-up displays characterised by optical features comprising devices increasing the depth of field
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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
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
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- G—PHYSICS
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- 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
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- G—PHYSICS
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- 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
- G02B27/0179—Display position adjusting means not related to the information to be displayed
- G02B2027/0185—Displaying image at variable distance
Definitions
- the present invention relates to a reflective lens module, and more particularly to a reflective lens module that can provide a deep image to the user.
- Augmented Reality is a technology that superimposes a virtual screen (virtual world) on the real world that the user sees with eyes.Augmented reality is initially mixed because it shows a virtual world with additional information in real time. It was called reality.
- augmented reality began to be studied based on the development of see-through HMD (Head Mounted Display), which has a different meaning from virtual reality.
- Virtual reality allows the user to immerse in the virtual environment, so that the user cannot see the real environment, while augmented reality has a form in which the user can see the real environment and a mixture of real environment and virtual objects.
- virtual reality is shown to the user as a substitute for the real world, but augmented reality is different in that it is supplemented to the real world and shown to the user by superimposing virtual objects in the real world.
- the HMD is mainly used to implement such augmented reality, and the lens module (optical system module) of the HMD has a problem that it is very difficult to manufacture due to its complicated structure, and due to the complicated structure, the lens module is large in size and heavy in weight. There is only a problem. This makes the HMD very inconvenient for the user to wear.
- the lens module for implementing the conventional augmented reality has a complicated structure, there is a problem in that not only the above problems but also provide the user with a constant and clear virtual screen at all.
- Augmented reality is a technology that allows the user to simultaneously recognize the real world by overlapping the virtual screen when the user perceives the real world. If you focus on where you want-changing the focal length-the virtualization screen can appear blurred or sharp. In other words, because the lens module providing the virtual screen (reflection) is in focus, the user can see the clear virtual screen only when the user changes the focal length and is in focus. I can't see the virtualization side.
- the optical system module for HMD that can adjust the focus of 'Patent Document 1' includes a screen transfer lens that receives the virtual screen from the display panel and totally internally reflects it and then sends the virtual screen to the next optical system;
- An adjusting prism that receives the virtual screen sent from the screen transmission lens and adjusts an angle by reflecting the virtual screen to adjust the focus and send it to the next optical system;
- a configuration is disclosed that includes a coupler that reflects the virtual screen sent from the adjusting prism and combines the reality screen from outside to the wearer's eye.
- the optical system module for HMD that can adjust the focus of the 'Patent Document 1' is capable of focusing, where the focusing is to adjust the focus of the user to focus on any one of his or her main fields of view-any one By fixing the focus, the above-mentioned user has not solved the problem of acquiring an inaccurate virtual screen when changing the focal length while staring at the real world.
- Patent Document 2 discloses an augmented reality system and improved focus providing method.
- the augmented reality system and the improved focus providing method of 'Patent Document 2' includes a processor for determining the current user focus area under the control of software;
- a configuration is disclosed that includes a focus area adjustment unit for focusing a variable focus lens within a current user focus area under the control of a processor.
- the augmented reality system and the improved focus providing method do not solve the above problems at all by a physical method, and a separate processor is currently required to determine the focus area of the user. Since a separate software is required for control, there is a problem in that malfunctions and errors of the software and the processor may occur, as well as an expensive manufacturing cost because a separate processor and software are installed.
- the present invention has been made to solve the above problems and needs, and an object of the present invention is to provide a reflective lens module capable of providing a user with an image (image or image) having a deep depth of field. .
- augmented reality changes its focal length while the user gazes at the real world in order to ensure that the user always recognizes a clear image because of its technical feature-a technical feature for superimposing the virtual world with the virtual world. It is necessary to change the focal length of the image as well.
- Depth of field refers to a range in which an image is perceived to be in focus in an image acquired by the naked eye. Therefore, when the depth is low, the range that is recognized as the focus is narrow, and when the depth is deep, the range that is recognized as the focus is wide.
- the user provides a deep image to the user, even if the user changes the focal length while staring at the real world, a clear image can be obtained within the range in which the provided image is recognized to be in focus.
- the deeper the depth the wider the perceived range of focus is, because within the above range, the focus is recognized even if the focal length is changed, so that the user can obtain a clear image even if the focal length is changed to some extent. do.
- the range recognized as being in focus is near infinity, so that even if the user adjusts the focal length freely, a clear virtual screen can be obtained at any time.
- the reflective lens module according to the present invention includes a reflective lens module for reflecting an image output from a display unit and providing the same to a user, and reflecting the image output from the display unit, and may include at least one reflector having a size of 4 mm or less. have.
- it may be configured to further include a frame unit for fixing the at least one reflector.
- the apparatus may further include a transparent lens unit for transmitting visible light, and the at least one reflecting unit may be installed outside or inside the transparent lens unit.
- the at least one reflector may be recessed and installed in the transparent lens unit.
- the at least one reflector may be formed of a metal.
- the at least one reflector may be formed of an optical element.
- the at least one reflector may be formed without a corner.
- the at least one reflector may be formed in a circular or elliptical shape.
- the surface of the at least one reflector may be formed in a curved surface.
- Reflective lens module can provide a deep image to the user by the above configuration. Therefore, even when the user adjusts the focal length when looking at the real world, the user can always obtain a clear image regardless of the focal length.
- the reflective lens module according to the present invention is very simple in the overall configuration by the above configuration. Therefore, the production cost is reduced, it is easy to apply the lens module to HMD, glasses, etc., the weight is light, the volume is reduced.
- the reflective lens module according to the present invention can obtain a clear image regardless of the user's eyesight by the above configuration.
- FIG. 1 is a view schematically showing the configuration of a reflective lens module according to the present invention
- FIG. 2 is a view for explaining the principle of viewing a clear image when viewing an image through a pinhole lens
- FIG. 3 is a view for explaining the pinhole effect of the reflective lens module according to the present invention
- 4 to 6 is a view comparing the image obtained by using a reflective lens module according to the present invention and the image obtained by using a conventional reflective lens module
- first and second may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
- first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
- the reflective lens module according to the present invention reflects an image output from the display unit 50, and includes a reflective unit 100 having a size of 4 mm or less, a transparent lens unit 200, It may be configured to further include a frame portion (not shown).
- 1 is for better understanding of the present invention, and the position of the display unit 50 and the size of the reflector 100 are somewhat different from the actual position and size.
- the display unit 50 may be located on the side of the reflector 100, and since the reflector 100 is formed to have a size of 4 mm or less, the size of the display unit 50 is very small when visually identified.
- the size of the reflective part 100 is exaggerated.
- the display unit 50 is a component that outputs an image, but is not directly included in the component of the present invention, but together with the display unit 50, a HMD together with a frame unit (not shown) that a user can wear like glasses. It may be configured in the form of.
- the image includes all visual elements output by the display unit 50, and includes an image and an image.
- the image may be a video.
- the display unit 50 outputs an image the image may be an image.
- Such an image may be a virtual screen when an image reflected from the display unit 50 is applied when the lens module according to the present invention is applied to augmented reality.
- the reflector 100 reflects the image output from the display unit 50, and is preferably configured to allow the reflected image to reach the eyes of the user.
- the reflector 100 is preferably formed to be less than 4mm in size.
- the size of the reflector 100 is smaller than the size of a human pupil, and the size of a human pupil is generally known to be 2 to 6 mm. Since the size of a human pupil may be different, the average is preferably 4 mm or less.
- the reflector 100 may have a size of 2 mm or less. Since the size of a human pupil is generally known to be 2 to 6 mm, whenever the size of the reflector 100 is 2 mm or less, It can be formed smaller than a human pupil.
- the reflectivity of the reflector 100 is preferably configured to be 100%, for this purpose, the reflector 100 may be formed of a metal.
- the reflector 100 may be made of aluminum (Al) or silver (Ag), and various kinds of metals, alloys, or synthetic resins may be used.
- the reflector 100 may be formed of an optical element made of various materials.
- the reflector 100 may be formed of a holographic optical element to allow diffraction grating reflection. Can be. At this time, the image obtained by the user has a holographic form.
- other types of devices besides the holographic optical device may be used and configured to enable diffraction grating reflection.
- the image may be accurately formed on the retina regardless of the shape or thickness of the lens. Therefore, the user can always obtain a clear virtual screen—the virtual screen reflected by the reflector 100—regardless of his or her vision.
- the reflective part 100 also acts as an element causing the pinhole effect.
- 2 is a view for explaining the principle of viewing a clear image when viewing an image through a pinhole lens.
- Figure 2 (a) shows the reason why a person with myopia looks blurry when looking at the object with the naked eye.
- the lens is thick and focuses in front of the retina, so the image of the object does not form at one point of the retina. Because the object looks blurry.
- the light A originating from the object is spread and formed on the retina as A1, A2, and A3.
- Fig. 2 (b) shows the reason why the object looks more sharp when a person with myopia wears a pinhole lens. Since the light originating from the object is restricted while passing through the pinhole, it is formed in a relatively narrow area of the retina. The object looks sharper than ever. Referring to FIG. 2 (b), the light A originating from the object is relatively narrowly formed on the retina (A ′). Considering this phenomenon alone, the conventional problem may be solved by passing the virtual screen output from the display unit 50 through the pinhole to reach the eye, but in the case of the pinhole, another problem occurs. Another problem here is the diffraction phenomenon, which is limited in making a clear image because the light passing through the pinhole is diffused by the diffraction. And the degree of image sharpening due to the pinhole effect increases as the pinhole is smaller, but the pinhole is limited because the pinhole is smaller as the diffraction degree becomes larger.
- the small-size reflector 100 having a size of 4 mm or less is used so as not to cause diffraction while limiting the width of light like a pinhole.
- 3 is a view for explaining that the image of the virtual screen is formed on the retina through the lens module for virtual reality implementation according to the present invention.
- light A originating from an object in the real world forms A ′ on the retina
- light B originating from the display 50 is reflected by the reflector 100 and then B ′ on the retina. Condensation is shown.
- a 'and B' are formed at one point of the retina, the real world image and the virtual image can be clearly seen without having to focus the eyes separately.
- the light A originated from the object may change the position where the image is formed on the retina as the user adjusts the focal length. This is because the thickness of the lens changes as the user adjusts the focal length.
- the light B, which starts from the display unit 50 is always formed as B ′ even when the thickness of the lens is changed by the user adjusting the focal length, the user can always obtain a clear virtual screen.
- the reflector 100 according to the present invention has a size of 4 mm or less, the user can always obtain a clear virtual screen, which means that the depth of the virtual screen provided to the user is very deep.
- 4 to 6 are views comparing images obtained by using the reflective lens module according to the present invention and images acquired by using the conventional reflective lens module.
- 4 to 6 are left images obtained using the reflective lens module according to the present invention and the right side are images acquired using the conventional reflective lens module. 4 to 6, the virtual screen output from the display unit 50 is displayed.
- FIG. 4 illustrates a case where the focus is far away
- FIG. 5 illustrates a case where the focus is located in the middle
- FIG. 6 illustrates a case where the focus is located near.
- the virtual screen in the square of the image acquired by using the right conventional reflective lens module is clear only when the focus is far away, and the virtual screen in the square becomes gradually blurred as the focus moves closer.
- the virtual screen in the square can be seen to be clear even when located in a distant, middle, or near place.
- the reflective lens module according to the present invention may provide a deep virtual screen to the user, and thus, the user may always obtain a clear virtual screen regardless of the focal length even if the user adjusts the focal length when looking at the real world. have.
- the reflector 100 according to the present invention has a size of 2 mm or less, the above result can be obtained. However, in order to be more effective, the reflector 100 preferably has a size of 50 to 700 ⁇ m.
- the reflector 100 is preferably formed in a circular shape, in this case may be formed in an elliptical shape as needed in addition to the complete circular.
- the reflector 100 is preferably formed in a circular or elliptical shape, and may be applied in a modified form as necessary. For example, when a cylindrical shape is cut diagonally, it may have an elliptical shape, and thus may have an elliptical shape that does not completely match the mathematically defined ellipse.
- the reflector 100 in the present invention may have a variety of forms as long as it does not have a corner, any shape that can achieve the purpose of preventing the diffraction phenomenon while achieving the pinhole effect described above. Do. For example, an elliptical shape without any edges can prevent diffraction while achieving a pinhole effect.
- the reflector 100 may have a curved surface, and may have a concave surface, or may have a convex surface as necessary.
- the reflective part 100 having the above characteristics may be configured to include at least one or more. That is, the reflector 100 may be configured as one and two or more reflectors as necessary. When the reflecting unit 100 is composed of two or more, each reflecting unit 100 reflects each image from the display unit 50 (in this case, the display unit 50 may be composed of two or more). It is possible for a user to acquire various images.
- a plurality of reflecting units 100 may be configured to form a cluster, and may be configured as a plurality of such clusters as necessary.
- Such a reflector 100 may be installed inside or outside the transparent lens unit 200.
- the reflector 100 is embedded in the transparent lens unit 200. It may be installed in a recessed manner, and the reflective part 100 may be attached to the front or rear surface of the transparent lens part 200.
- the transparent lens unit 200 is a component capable of transmitting visible light, and a user may see the real world through the transparent lens unit 200. Therefore, the visible light transmittance is preferably 100% so that the user can see the real world well, but the transparent lens unit 200 is configured by selecting the visible light transmittance according to the state of the user's eyes (eyes) or the intended use. can do.
- the transparent lens unit 200 may be configured to transmit visible light while blocking ultraviolet rays when the ultraviolet ray (UV) is required to be blocked, and a vision correcting lens may be used when the eyes of the user are bad and need vision correction. .
- UV ultraviolet ray
- the transparent lens unit 200 may be formed by using glass as a representative, in addition to glass may be formed of various kinds of plastics.
- the reflective lens module according to the present invention may be configured in a form in which the reflector 100 is stacked on a base (not shown) formed of a hard material.
- the base portion may be a material having a certain degree of hardness in order to stack the reflecting portions 100.
- glass may be a representative example, various kinds of synthetic resins may be used in addition to glass.
- the reflector 100 may use aluminum (Al) or silver (Ag) having excellent reflectance to reflect the virtual screen output from the display unit 50, and various kinds of metals, alloys, or synthetic resins may be used. It may be.
- the surface of the reflector 100 may be formed as a curved surface as necessary.
- the reflective lens module according to the present invention may further comprise a frame portion (not shown), the frame portion is a component for fixing at least one reflecting portion, the frame portion is directly connected to the reflecting portion 100 to reflect
- the frame part fixes the transparent lens part 200 and the reflecting part 100 is installed in the transparent lens part 200.
- the frame unit may indirectly fix the reflector 100.
- the frame unit may be a user-wearable glasses or a head-mounted device in various forms, and may have various forms.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Graphics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Lenses (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (9)
- 디스플레이부에서 출력되는 화상을 반사시켜 사용자에게 제공하는 반사 렌즈 모듈에 있어서,상기 디스플레이부에서 출력되는 화상을 반사시키며, 크기가 4mm 이하인 적어도 하나의 반사부를 포함하는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 1에 있어서,상기 적어도 하나의 반사부를 고정시키는 프레임부를 더 포함하여 구성되는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 1에 있어서,가시광선이 투과되도록 하는 투명 렌즈부를 더 포함하며,상기 적어도 하나의 반사부가 상기 투명 렌즈부 외부 또는 내부에 설치되는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 3에 있어서,상기 적어도 하나의 반사부가 상기 투명 렌즈부의 내부에 매립되어 설치되는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 1에 있어서,상기 적어도 하나의 반사부가 금속으로 형성되는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 1에 있어서,상기 적어도 하나의 반사부가 광학 소자(Optical Element)로 형성되는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 1에 있어서,상기 적어도 하나의 반사부는 모서리가 없는 형태로 형성되는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 1에 있어서,상기 적어도 하나의 반사부가 원형 또는 타원형으로 형성되는 것을 특징으로 하는 반사 렌즈 모듈.
- 청구항 1에 있어서,상기 적어도 하나의 반사부의 표면이 곡면으로 형성되는 것을 특징으로 하는 반사 렌즈 모듈.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16915812.8A EP3511763A4 (en) | 2016-09-07 | 2016-11-14 | REFLECTIVE LENS MODULE |
CN201680018148.5A CN108064356A (zh) | 2016-09-07 | 2016-11-14 | 反射透镜模块 |
JP2019507056A JP2019515358A (ja) | 2016-09-07 | 2016-11-14 | 反射レンズモジュール |
US15/557,801 US20180292651A1 (en) | 2016-09-07 | 2016-11-14 | Reflective lens module |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160114943A KR101894555B1 (ko) | 2016-09-07 | 2016-09-07 | 반사 렌즈 모듈 |
KR10-2016-0114943 | 2016-09-07 |
Publications (1)
Publication Number | Publication Date |
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WO2018048017A1 true WO2018048017A1 (ko) | 2018-03-15 |
Family
ID=61562759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2016/013095 WO2018048017A1 (ko) | 2016-09-07 | 2016-11-14 | 반사 렌즈 모듈 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180292651A1 (ko) |
EP (1) | EP3511763A4 (ko) |
JP (1) | JP2019515358A (ko) |
KR (1) | KR101894555B1 (ko) |
CN (1) | CN108064356A (ko) |
WO (1) | WO2018048017A1 (ko) |
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US10989921B2 (en) * | 2017-12-29 | 2021-04-27 | Letinar Co., Ltd. | Augmented reality optics system with pinpoint mirror |
KR102663396B1 (ko) | 2018-07-18 | 2024-05-08 | 삼성디스플레이 주식회사 | 광학 장치 |
KR102605397B1 (ko) | 2018-08-20 | 2023-11-24 | 삼성디스플레이 주식회사 | 증강 현실 제공 장치 |
KR102099786B1 (ko) * | 2018-11-08 | 2020-04-10 | 주식회사 레티널 | 증강 현실용 광학 장치 |
US11656458B2 (en) | 2019-01-23 | 2023-05-23 | Fusao Ishii | Optics of a display using an optical light guide |
KR102099232B1 (ko) * | 2019-07-03 | 2020-04-08 | 주식회사 레티널 | 소형 반사부를 이용한 카메라 모듈 및 이를 이용한 증강 현실용 광학 장치 |
KR102329612B1 (ko) * | 2020-03-09 | 2021-11-22 | 주식회사 피앤씨솔루션 | 복수의 핀홀을 포함하는 광학 장치 및 이를 이용한 머리 착용형 디스플레이 장치 |
US20230254472A1 (en) | 2020-07-16 | 2023-08-10 | Sony Group Corporation | Display apparatus |
TWI751705B (zh) | 2020-09-16 | 2022-01-01 | 宏碁股份有限公司 | 擴增實境眼鏡 |
KR20240076908A (ko) | 2022-11-24 | 2024-05-31 | 주식회사 레티널 | 고스트 이미지 제거 기능을 갖는 증강 현실용 광학 장치 |
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- 2016-11-14 WO PCT/KR2016/013095 patent/WO2018048017A1/ko active Application Filing
- 2016-11-14 JP JP2019507056A patent/JP2019515358A/ja active Pending
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KR20180027813A (ko) | 2018-03-15 |
JP2019515358A (ja) | 2019-06-06 |
CN108064356A (zh) | 2018-05-22 |
EP3511763A4 (en) | 2020-05-06 |
EP3511763A1 (en) | 2019-07-17 |
US20180292651A1 (en) | 2018-10-11 |
KR101894555B1 (ko) | 2018-10-04 |
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