KR100438816B1 - Personal solid image head mount display device, especially including two dimensional image display - Google Patents

Personal solid image head mount display device, especially including two dimensional image display Download PDF

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KR100438816B1
KR100438816B1 KR1019980007718A KR19980007718A KR100438816B1 KR 100438816 B1 KR100438816 B1 KR 100438816B1 KR 1019980007718 A KR1019980007718 A KR 1019980007718A KR 19980007718 A KR19980007718 A KR 19980007718A KR 100438816 B1 KR100438816 B1 KR 100438816B1
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dimensional image
image
display device
right eye
display
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KR1019980007718A
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KR19990074246A (en
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김종만
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삼성전자주식회사
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/0095—Relay lenses or rod lenses
    • 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
    • G02B27/10—Beam splitting or combining systems
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/126—The splitting element being a prism or prismatic array, including systems based on total internal reflection
    • 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
    • G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
    • G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

PURPOSE: A personal solid image head mount display device is provided to display a solid image separately with only a prism and a relay lens. CONSTITUTION: Two two-dimensional image display units(11L,11R) display a two-dimensional image signal for a left eye and a right eye respectively to display a solid image. A partition wall(15) prevents interference of the left eye image and the right eye image each other. A prism(12) refracts the left eye image and the right eye image to the desired direction respectively. Two relay lenses(13) focus the left eye image and the right eye image additionally. Two screens(14L,14R) display the left eye image and the right eye image passing through the relay lenses.

Description

개인용 입체영상 헤드마운트 디스플레이 장치Personal Stereoscopic Headmount Display Units

본 발명은 입체영상을 표시할 수 있는 헤드마운트 디스플레이 장치에 관한 것이다.The present invention relates to a head mounted display device capable of displaying a stereoscopic image.

인간이 3차원 공간을 인식하는 요인은 여러 가지가 있으나 크게 생리적 요인과 경험적 요인으로 나눌 수 있다. 생리적 요인으로는 수정체의 조절(accomodation), 양안복주(convergence), 양안시차(binocular parallax) 등을 들 수 있으며, 경험적 요인으로 단안운동시차(monocular movement disparity), 선원근(linear perspective), 면적원근(areal perspective), 음영(light & shade) 그리고 겹침(overlapping) 등을 들 수 있다. 인간의 3차원 인식은 위와 같은 요인들이 복합적으로 종합되어 나타나는 것이다. 종래의 3차원 디스플레이는 이러한 3차원 인식 요인들 중 특히 양안시차를 이용하여 3차원 영상을 표현하는 것이다.There are many factors that humans perceive 3D space, but they can be divided into physiological and empirical factors. Physiological factors include accomodation, binocular convergence, and binocular parallax, and empirical factors include monocular movement disparity, linear perspective, and area perspective. (areal perspective), light & shade, and overlapping. Human three-dimensional perception is a combination of the above factors. Conventional three-dimensional display is to represent a three-dimensional image by using binocular parallax, among these three-dimensional recognition factors.

헤드마운트 디스플레이를 이용하여 3차원 영상을 표시하기 위해서는, 도 1에 도시된 바와 같이, 좌, 우안에 필요한 영상을 공급해 주는 디스플레이 2개(1L, 1R)와 여기서 표시된 영상을 좌, 우안에 정확하게 공급하기 위해서는 좌우안 영상에 의한 상호 간섭을 막기 위한 격리벽(6)을 중심으로 그 양쪽에 각각의 영상을 별도록 표시하기 위한 복잡한 광학계가 필요하다. 이 광학계로는 디스플레이에 표시된 화상을 좌, 우안에 별도로 공급하기 위하여 복잡한 구성의 미러(2), 릴레이 렌즈(3), 표시렌즈(4) 등이 필요하게 된다. 따라서 헤드 마운트 디스플레이 장치는 그 크기가 커지게 되고, 무게 또한 무거워져 사용자가 착용시 불편한 느낌을 받게 된다. 따라서 헤드 마운트 디스플레이를 구성하고 있는 디스플레이 및 광학계의 구성을 간단하게 할 필요가 있다.In order to display a 3D image using a head mounted display, as shown in FIG. 1, two displays (1L and 1R) for supplying necessary images to the left and right eyes and the images displayed here are correctly supplied to the left and right eyes. To this end, a complex optical system is required for separately displaying each image on both sides of the separation wall 6 for preventing mutual interference by left and right eye images. In this optical system, a mirror 2, a relay lens 3, a display lens 4, etc. having a complicated configuration are required to separately supply the image displayed on the display to the left and right eyes. Therefore, the head mounted display device becomes larger in size, and also becomes heavier, so that the user may feel uncomfortable when wearing it. Therefore, it is necessary to simplify the configuration of the display and the optical system that constitute the head mounted display.

본 발명은 상기와 같은 문제점을 개선하고자 창안된 것으로, 프리즘 및 릴레이 렌즈만으로 입체영상을 따로 표시할 수 있는 입체영상 헤드마운트 디스플레이 장치를 제공하는데 그 목적이 있다.The present invention was devised to improve the above problems, and an object thereof is to provide a stereoscopic head mounted display device capable of displaying stereoscopic images separately using only a prism and a relay lens.

도 1은 종래의 입체 헤드 마운트 디스플레이 장치의 개략적 구성을 보여주는 도면이고,1 is a view showing a schematic configuration of a conventional stereoscopic head mounted display device,

도 2는 본 발명에 따른 입체 헤드 마운트 디스플레이 장치의 개략적 구성을 보여주는 도면이다.2 is a view showing a schematic configuration of a three-dimensional head mounted display device according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1L. 좌안용 영상을 표시하는 2차원 표시장치1L. 2-D display device for displaying left eye images

1R. 우안용 영상을 표시하는 2차원 표시장치1R. 2D display device for displaying the image for the right eye

2. 미러2. Mirror

3. 릴레이 렌즈3. relay lens

5L. 좌측 영상5L. Left image

5R. 우측 영상5R. Right image

6. 좌우측 영상에 의한 간섭을 막아주는 격리벽6. Separating wall to prevent interference by left and right image

11L. 좌안용 영상을 표시하는 2차원 표시장치11L. 2-D display device for displaying left eye images

11R. 우안용 영상을 표시하는 2차원 표시장치11R. 2D display device for displaying the image for the right eye

12. 프리즘12. Prism

13. 릴레이 렌즈13. relay lens

14L. 좌측 영상이 표시되는 스크린14L. Screen with left picture

14R. 우측 영상이 표시되는 스크린14R. Screen showing the image on the right

15. 좌 우측 영상에 의한 간섭을 막아주는 격리벽15. Isolation wall to prevent interference by left and right images

상기와 같은 목적을 달성하기 위하여 본 발명에 따른 입체영상 헤드마운트 디스플레이 장치는, 입체영상을 표시하기 위하여 각각 좌우안용의 2차원 영상신호를 표시하는 2개의 2차원 영상표시수단; 상기 2개의 2차원 영상표시수단에 의해 각각 표시된 좌우안 영상이 서로 간섭하는 것을 방지하기 위한 격리벽; 상기 2개의 2차원 영상표시수단에 의해 각각 표시된 좌우안 영상 신호를 각각 별도로 원하는 방향으로 굴절시키는 프리즘; 상기 프리즘에 의해 집속된 좌우안 영상 신호를 별도로 집속시키는 두 개의 릴레이 렌즈; 및 상기 릴레이 렌즈를 통과한 좌우안 영상 신호를 각각 표시하는 두 개의 스크린;를 구비한 것을 특징으로 한다.In order to achieve the above object, a three-dimensional image head mounted display device according to the present invention comprises: two two-dimensional image display means for displaying two-dimensional image signals for left and right eyes, respectively, to display a three-dimensional image; A separating wall for preventing left and right eye images respectively displayed by the two two-dimensional image display means from interfering with each other; A prism for refracting the left and right eye image signals respectively displayed by the two two-dimensional image display means separately in a desired direction; Two relay lenses configured to separately focus the left and right eye image signals focused by the prism; And two screens respectively displaying the left and right eye image signals passing through the relay lens.

본 발명에 있어서, 상기 2차원 영상표시수단은 소형 CRT, LCD, FED 중 어느 하나를 사용하는 것이 바람직하다.In the present invention, the two-dimensional image display means preferably uses any one of a small CRT, LCD, FED.

이하 도면을 참조하면서 본 발명에 따른 입체영상 헤드마운트 디스플레이 장치를 상세하게 설명한다.Hereinafter, a stereoscopic head mounted display device according to the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 입체영상 헤드마운트 디스플레이 장치의 개략적 구성을 보여주는 도면이다. 도시된 바와 같이, 본 발명에 따른 입체영상 헤드마운트 디스플레이 장치는 입체영상을 표시하기 위하여 각각 좌우안용의 2차원 영상신호를 표시하는 2개의 2차원 영상표시수단(11L, 11R)과 2차원 영상 신호의 상호 간섭을 방지하기 위한 격벽(15) 및 상기 2개의 2차원 영상표시수단에 의해 각각 표시된 좌우안 영상을 좌, 우안에 독립하여 입력될수 있도록하는 광학계로 구성된다. 2차원 영상표시수단으로는 소형 CRT, LCD, FED 등 2차원 영상을 표시할수 있는 모든 표시장치를 사용할 수 있으며, 광학계로는 빛을 원하는 방향으로 굴절시켜주는 프리즘(12)과 굴절된 표시화상을 좌 우안 각각에 집적시켜주는 릴레이 렌즈(13) 및 스크린(14L, 14R)으로 이루어진다.2 is a view showing a schematic configuration of a three-dimensional image head mounted display device according to the present invention. As shown, the three-dimensional image head mounted display device according to the present invention includes two two-dimensional image display means 11L and 11R and two-dimensional image signals for displaying two-dimensional image signals for left and right eyes, respectively, in order to display a three-dimensional image. And an optical system for inputting the left and right eye images displayed by the two two-dimensional image display means independently of the partition wall 15 for preventing mutual interference. As the two-dimensional image display means, any display device capable of displaying two-dimensional images such as a small CRT, an LCD, and a FED can be used. The optical system includes a prism 12 and a refracted display image that refracts light in a desired direction. It consists of a relay lens 13 and screens 14L and 14R integrated in each of the left and right eyes.

이상과 같은 구성의 입체영상 헤드마운트 디스플레이 장치는 인간의 3차원 인식 요인중 양안시차를 인위적으로 느끼게 하기 위해 2차원 디스플레이 두 개를 이용하여 좌우안 각각에 서로 다른 영상신호를 입력하여 주는 개인용 헤드마운트 디스플레이 장치이다. 좌우안용 영상을 표시하는 2차원 영상표시수단(11L, 11R)에 2차원영상이 각각 표시되면 표시된 영상이 프리즘(12)에 의하여 굴절된다. 굴절된 화상은 다시 릴레이 렌즈(13)에 의하여 스크린(14L, 14R)에 투영되어 관찰자의 양측 눈에 각기 다른 영상을 입력하게 되고 관찰자는 인위적인 양안시차를 뇌에서 종합하여 입체 영상을 느낄 수 있게 된다.The three-dimensional head mounted display device of the above-described configuration uses a two-dimensional display to input different image signals to each of the left and right eyes in order to artificially feel binocular disparity among human three-dimensional recognition factors. Display device. When the two-dimensional image is displayed on the two-dimensional image display means 11L and 11R for displaying the left and right eye images, the displayed image is refracted by the prism 12. The refracted image is again projected on the screens 14L and 14R by the relay lens 13 to input different images to both eyes of the observer, and the observer can sense a stereoscopic image by combining artificial binocular disparity in the brain. .

본 장치에서는 화상표시를 위한 영상신호는 기 제작되어 있는 입체 소프트를 외부에서 입력되게하며 본 장치내에서는 이를 표시만 할 수 있게한다.In this apparatus, the video signal for image display allows a pre-made stereoscopic software to be input from the outside, and only this can be displayed in the apparatus.

이상 설명한 바와 같이, 본 발명에 따른 입체영상 헤드마운트 디스플레이 장치는 프리즘과 릴레이 렌즈 등의 간단한 구성으로 제작되어 화질의 저감없이 가볍고, 싼 가격으로 제작되는 장점이 있다.As described above, the stereoscopic head mounted display device according to the present invention has the advantage of being manufactured in a simple configuration, such as a prism and a relay lens, and is manufactured at a light and low price without reducing image quality.

Claims (2)

입체영상을 표시하기 위하여 각각 좌우안용의 2차원 영상신호를 표시하는 2개의 2차원 영상표시수단;Two two-dimensional image display means for displaying two-dimensional image signals for left and right eyes, respectively, for displaying a stereoscopic image; 상기 2개의 2차원 영상표시수단에 의해 각각 표시된 좌우안 영상이 서로 간섭하는 것을 방지하기 위한 격리벽;A separating wall for preventing left and right eye images respectively displayed by the two two-dimensional image display means from interfering with each other; 상기 2개의 2차원 영상표시수단에 의해 각각 표시된 좌우안 영상 신호를 각각 별도로 원하는 방향으로 굴절시키는 프리즘;A prism for refracting the left and right eye image signals respectively displayed by the two two-dimensional image display means separately in a desired direction; 상기 프리즘에 의해 집속된 좌우안 영상 신호를 별도로 집속시키는 두 개의 릴레이 렌즈; 및Two relay lenses configured to separately focus the left and right eye image signals focused by the prism; And 상기 릴레이 렌즈를 통과한 좌우안 영상 신호를 각각 표시하는 두 개의 스크린;를Two screens respectively displaying left and right eye image signals passing through the relay lens; 구비한 것을 특징으로 하는 입체영상 헤드마운트 디스플레이 장치.Stereoscopic head-mount display device characterized in that provided. 제1항에 있어서,The method of claim 1, 상기 2차원 영상표시수단은 소형 CRT, LCD, FED 중 어느 하나를 사용하는 것을 특징으로 하는 입체영상 헤드마운트 디스플레이 장치.The two-dimensional image display means is a three-dimensional image head mounted display device using any one of a small CRT, LCD, FED.
KR1019980007718A 1998-03-09 1998-03-09 Personal solid image head mount display device, especially including two dimensional image display KR100438816B1 (en)

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