Virtual reality image system with high definition
10558041 ยท 2020-02-11
Inventors
Cpc classification
G02B30/35
PHYSICS
H04N13/307
ELECTRICITY
International classification
H04N13/307
ELECTRICITY
Abstract
A virtual reality stereoscopic image expansion device with high definition where 1 to 2 monitors are provided in an independent rotary case, first or first and second left and right reflectors having reflective refraction angles of 90 in left and right directions of stereoscopic left and right eye images are provided and configured as left and right lenses for matching optical axes so that the image center of the large monitor having a screen size of a human pupil interval or more is matched with the interval between the left and right eyes of the observer by coupling the optical axes of the monitors and the reflectors with an optical structure. Thereby it makes it possible to observe the stereoscopic image by a general monitor without structures of the polarizer and the translucent mirror.
Claims
1. A high-definition virtual reality image system, provided inside a rotary box that includes left and right ocular lenses provided on a front end of the rotary box, the left and right ocular lenses being spaced apart to approximate a distance between a viewer's pupils, and upper and lower rotation means and left and right rotation means coupled to the rotary box to rotate the rotary box up, down, left and right, the system comprising: a left monitor and a right monitor disposed horizontally on a rear end of the rotary box to provide a 3D left image and a 3D right image, the left and right monitors each comprising a screen having a screen width of 130 to 1,000 mm; a position sensor including a gyro sensor which is disposed on a rear end of the left and right monitors to detect a virtual reality image in a direction in which the rotation box rotates and to input the detected virtual reality image to the left monitor 2a and right monitor 2b; a first left reflector and a first right reflector, provided respectively on front ends of the left and right ocular lenses to reflect at right angles in left and right directions respectively; a second left reflector and a second right reflector, provided in a reflection direction of the first left reflector and the first right reflector respectively to reflect light at right angles in the directions of the left monitor and the right monitor respectively; wherein the first and second reflectors are provided on an optical axis line on which a center of the left image 21 of the left monitor 2a, a center of the second left reflector, a center of the first left reflector, and a center of the left ocular lens coincide, and on an optical axis line on which a center of the right image of the right monitor, the center of the second right reflector, the center of the first right reflector, and the center of the right ocular lens coincide; whereby the 3D left image provided by the left monitor is incident on the viewer's left eye through the second left reflector 36, the first left reflector 33 and the left ocular lens 31, and the 3D right image provided by the right monitor 2b is incident on the observer's right eye through the second right reflector, the first right reflector and the right ocular lens, thereby providing a large 3D virtual reality image to the viewer.
2. The high-definition virtual reality image system of claim 1, wherein the left and right monitors are defined by one monitor which is divided into the left and right screens.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) The above and other features of the present invention will now be described in detail with reference to certain exemplary embodiments thereof illustrated the accompanying drawings which are given hereinbelow by way of illustration only, and thus are not limitative of the present invention, and wherein:
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DETAILED DESCRIPTION OF THE INVENTION
(13) As shown in
(14) The monitor provided in the present invention is characterized by using a general monitor 2 unlike a 3D monitor which is combined with a polarizing film and a translucent mirror and observes stereoscopic images through polarized glasses in the related art. For example, an image display, that implements a common 2D image, such as a planar or curved surface type such as an LCD, an LED, an OLED, a QLED, a micro LED, or a screen type such as a small projector, is applied.
(15) In the present invention, in two left and right monitors 2a and 2b as shown in
(16) The reflector used in the present invention refers to a reflector or prism having a reflective surface formed on a front surface or a back surface, and uses a full reflection reflector having a reflectance of 80% or more to 99%, which is not limited thereto.
(17) In the present invention, an optical axis refers to a line connecting the center and a focus of a lens in an arranged optical system.
(18) That is, unless each image component constituted in the rotary box 1 is configured at an optically calculated position and on an optical axis, it is impossible to observe the stereoscopic image.
(19) Therefore, it is important that each optical component is configured to be matched on the optical axis line.
(20) Thus, in the present invention, each optical component means a highly computed optical position and configuration that can achieve the object of the present invention by a position, a square, and a square direction of the optically calculated reflector, a focal length of lens, a reflection distance and a reflection direction of a reflector.
(21) The function of the left and right ocular lenses used in the present invention has different function and structure from those of a magnifying lens which is magnified 5 times to 20 times like ocular lenses used in a conventional microscope or HMD.
(22) That is, the ocular lens is configured as an ocular lens for matching an optical axis for the purpose of matching an optical axis of the image of the left and right monitor refracted through the reflector and the pupil spacing of the human, and the focal distance is configured for matching the optical axis of 100 mm or more to less than 1000 mm.
(23) The magnification of the focal length of 100 mm very slightly acts as 2.5 times of the magnification of 1000 mm, which is 0.4 times less than 1 times of the magnification. However, an optical axis matching action is performed, in which the left and right images are combined to one image by matching the optical axis while maintaining the resolution of the monitor image to be observed.
(24) The left and right ocular lenses 31 and 32 for matching the optical axis are configured in left and right observation holes H1 and H2 of the rotary box 1, respectively. Accordingly, since the positions of the left and right observation holes H1 and H2 and the left and right ocular lenses 31 and 32 are optically the same to be described with the same concept in the present invention.
(25) The present invention relates to a device for a virtual reality image in which a virtual reality image having a viewing angle of 120 to 360 at left and right and 90 to 360 at up and down is inputted and observed while rotating in an image range of a constant viewing range, and thus a combined configuration of a position sensor 4 for detecting the image of the corresponding position in accordance with the up, down, left, and right rotations of the rotation box 1 is important.
(26) The position sensor 4 may be additionally mounted with a gyro sensor for sensing a viewing angle according to the rotation of the rotary box 1, an accelerometer sensor according to a rotational speed, a proximity sensor, a GPS sensor which is mounted on a transportation means such as trains or ships to calculate the position thereof during moving, and a barometer sensor, and added with a WI sensor and an NFC sensor for transmission of stereoscopic image programs. Such a position sensor 4 may be separately configured to be coupled to or spaced apart from the inside of the rotary box 1 or the outside the rotary box 1 as needed.
(27) When a 2D image is provided with the same image, a virtual reality image in which a viewing angle is doubled is provided.
(28) When described in more detail by
(29) That is, the left monitor 2a is provided on the left side of the rotation box 1 and the right monitor 2b is provided on the right side of the rotation box 1, respectively, but the screens are configured to face each other in the direction of the rotation box 1.
(30) The front and rear lengths of the rotary box 1 have a basic distance due to the basic viewing distance from the left and right observation holes H1 and H2 to the left and right monitors 2a and 2b, and such a basic distance is preferably increased, but the size of the rotary box 1 becomes increased.
(31) Therefore, the structure of
(32) The positions of the first and second left and right reflectors 33 and 34 are configured at the positions where the positions of optical axes CR and CL of the left and right monitors 2a and 2b and the positions of the optical axes CR and CL of the left and right observation holes H1 and H2 perpendicularly cross each other, and an internal angle configured by a bi-directional square of the first left and right reflectors is 90.
(33) CR and CL images of the left and right monitors 2a and 2b are provided with a structure of a shielding film 35 and left and right viewing shielding films 35a and 35b as necessary to separate the image units into left and right, respectively. An interval H between the observation holes H1 and H2 is configured to have the same interval as the eye interval of the human and is provided with the left and right ocular lenses 31 and 32.
(34) In such a structure of
(35) As shown in
(36) Since a right eye image provided in the right monitor 2b is configured to face the left monitor 2a in a symmetric form, the left and right images are inverted to be right and left images, and the right and left images are reflected to the second right reflector 34 again and changed again to the right and left directions from the right observation hole H2.
(37) At this time, the position of the position sensor 4 is configured at the rear end facing the inner left and right observation holes H1 and H2 of the rotary box 1.
(38) This is because even if the left and right monitors 2a and 2b are configured on the left and right sides, the virtual reality image rotates based on the viewing angle in the front direction observed by the left and right observation holes H1 and H2.
(39) Since a conventional stereoscopic image is a structure that combines two images into one, the screen viewing angle is reduced to to provide a confined viewing angle.
(40) However, since the structure of the present invention is provided at the same interval H between the left and right eyes of the human from the left and right ocular lenses 31 and 32, the viewing angle with respect to the conventional stereoscopic virtual reality is twice or more increased, and as a result, it is possible to appreciate the virtual reality image of 4 times wide viewing.
(41) In addition, since the structure of
(42)
(43) The second left and right reflectors 36 and 37 are additionally provided in the structure of
(44) As shown in
(45) The image of the right monitor 2b has the second right reflector 37 in a rectangular shape on the same optical axial line CL based on the center CL of the screen, and the image of the right monitor 2b incident to the second right reflector 37 is reflected in a left direction which is an inner direction to be incident to the first right reflector 34 again and reflected to the right ocular lens 32 of the right observation hole H2 again.
(46) A shielding bar 35 is provided between the first and second left reflectors 33 and 36 and the first and second right reflectors 34 and 37 so that the images of the left and right monitors 2a and 2b are prevented from being viewed to the multiple images, respectively.
(47) As such, an interval H between the left and right optical axes CR and CL incident to the left and right observation holes H1 and H2 is based on about 65 mm which is an interval between the human eyes.
(48) The images of the left and right monitors 2a and 2b of
(49) That is, even if the size of the left and right monitors 2a and 2b is large, the interval between the optical axes CR and CL of the left and right monitors 2a and 2b and the interval between the optical axes CR and CL of the left and right observation holes H1 and H2 are finally matched with the interval H between the human eyes, so that the size of the screen may be configured as a monitor of 130 mm to 1000 mm based on the horizontal length.
(50) Accordingly, as shown in
(51) In addition, the structure of
(52) The structure of
(53) The structure of the monitor 2 has a 2D monitor 2 having a screen horizontal length of 130 mm or more and a size of 1000 mm, and the center of the monitor 2 is divided into two to express stereoscopic left image 21 and right image 22 at left and right.
(54) Such an optical structure is configured inside one rotary box 1 so that the whole rotary box 1 rotates in one rotation unit.
(55) The optical structure is configured by combining the position sensor 4 including a gyro sensor provided on one side of the rotary box 1, known upper and lower rotary devices 6 provided at left and right sides of the rotary box 1, and known left and right rotary bars 7 provided below the upper and lower rotary devices 6.
(56) In more detail, as shown in
(57) The distance intervals between the left and right ocular lenses 31 and 32, the first and second left and right reflectors 33, 34, 36, and 37, and the monitor 2 or the left and right monitors 2a and 2b, and the distance interval between the focal distances F of the left and right ocular lenses 31 and 32 and the monitor 2 are the same as each other or within 10%.
(58) This is because the depth of focus may vary depending on a difference of the human vision, but the difference is within 10%.
(59) The function of the left and right ocular lenses 31 and 32 used in the present invention is different from that of a conventional magnifying lens having a magnifying function.
(60) The left and right ocular lenses 31 and 32 used in the present invention have a focal length of 100 mm or more and less than 1000 mm.
(61) A short lens with a focal length of less than 100 mm disintegrates the resolution of the monitor image by the enlarged magnification, so the resolution is reduced by the enlarged magnification and due to the refractive index, the resolution of the monitor is deteriorated and simultaneously, dizziness is caused.
(62) On the other hand, when the ocular lens is used as an ocular lens having a focal length of 1000 mm or more, it is difficult to observe the stereoscopic image because an effect of matching the optical axes of the stereoscopic left and right images with the optical axes of the left and right eyes of the observer is slight.
(63) In addition, since a projection distance from the images of the left and right monitors to the first left and right reflectors or the first and second left and right reflectors is increased, the size of the rotary box 1 is enlarged and becomes difficult to use.
(64) For this reason, in the present invention, an ocular lens for matching an optical axis having a focal length of 100 mm or more and less than 1000 mm is constituted.
(65) Further, the left and right ocular lenses 31 and 32 are subject to distortion to increase dizziness. In order to eliminate such side effects, the optical configuration of the ocular lens is required.
(66) That is, as shown in
(67) That is, Fa+b+c.
(68) As shown in
(69) The reason is that the central axes CR and CL of the first left and right reflectors 33 and 34, the second left and right reflectors 36 and 37, and the left and right screens of the monitor 2 are matched with the left and right ocular lenses 31 and 32.
(70) The central axes CR and CL and the optical axes CR and CL of the image described in the present invention are the same concept.
(71) That is, for this reason, as shown in
(72) That is, when Fa+b+c, the DR and DL are the same, and the D1, D2, D3, and D4 are all the same as each other, the left and right ocular lenses 32 are matched with the centers CR and CL of the left and right images L and R of the monitor 2 to be duplicatedly observed as one image, and the left and right images R and L of the monitor 2 at a distance of a+b+c are matched with the focal length F of the left and right ocular lenses 31 and 32, thereby making it possible to observe the stereoscopic image without the polarizing plate, the polarizing glasses, and the translucent mirror.
(73) If the size of the monitor 2 is equipped with a buffer device for buffering the weight of the rotary box 1, the screen size may be applied to a 40-inch monitor 2 having a diagonal of about 1,166 mm with a width of 1,000 mm and an aspect ratio of 16:9.
(74) Particularly, such an optical structure may be configured by using optical specifications of left and right images, that is, Fa+b+c, and thus two left and right images are enlarged with the same size to be combined as one image, thereby observing the stereoscopic image.
(75) In the case of the 2D image, the field of view is doubled.
(76) means the same or greater than.
(77) Generally, it has been pointed out that causing the dizziness and myopia due to the characteristics of the virtual reality images having a large number of movement in the up, down, left, and right directions is a problem.
(78) Therefore, the configuration of the left and right ocular lenses 31 and 32 is configured as follows, as shown in
(79) As shown in
(80) For example, crown glass with a refractive index of 1.5 and flint glass with a refractive index of 1.617 have relatively different refractive indexes based on a yellow line.
(81) Therefore, when two different materials are configured by one lens with curvature and one lens with + curvature and becomes an achromatic lens in which the chromatic aberration is removed when synthesized with one lens.
(82) The ocular lens having such a remarkably reduced chromatic aberration makes it possible to observe clear color images.
(83) The same logic is applied to attempting to being configured by plastic or a combination of plastic and glassware.
(84) However, the focal length F of the left and right ocular lenses 31 and 32 in which the two lenses are combined needs to be Fa+b+c.
(85) In addition, the focal lengths F of the left and right ocular lenses 31 and 32 needs to be the same as each other at the left and right.
(86) That is, when the focal lengths F of the left and right ocular lenses 31 and 32 are different from each other, the enlargement magnification is changed and the left and right images are not combined, and thus actually, stereoscopic observation is impossible.
(87) As shown in
(88) In this case, since the matching effect of the optical axes CR and CL occurs, the stereoscopic image may be observed because the left and right images of the monitor 2 are combined with each other.
(89)
(90) In
(91) This configuration causes the focal length F of the image objective lenses 31f and 32f having a positive force to be b1+c.
(92) Through such a configuration, when the focal length of the image objective lenses 31f and 32f is 20 mm and the focal length of the left and right ocular lenses 31 and 32 is 10 mm based on + or , the near-field effect having a telescope function becomes the viewing distance effect which is close to 2 times.
(93) That is, the observer is able to match the optical axes of the left and right images while functioning as the image viewing effect at a two times short distance of the left and right images of the monitor 2 at a remote place through the left and right ocular lenses 31 and 32.
(94) In
(95) In this case, the sum of the focal lengths of the ocular lens and the image objective lens is + magnification.
(96) That is, if the focal distance F of the image objective lens is 500 mm and the focal length F of the ocular lens is +250 mm, the image is observed at a closer distance of two times or more. However, in this case, since the image is shown as an inverted image, the image of the monitor 2 is turned upside down.
(97) In
(98) An example of this will be described as follows.
(99) The human eyeball, that is, the pupil 33 is formed in a ball shape.
(100) The formula for obtaining the focal length F of the lens is as follows.
F=(ND1)(1/r1)+(1/r2)(ND=refractive index of lens material).
(101) The left and right ocular lenses 31 and 32 are made of a material having a refractive index of 1.5, and r1 is a spherical surface having a distance slightly spaced from the pupil based on the center axis c of the radius of curvature of the pupil 33 as shown in
(102) When r2 is formed as +65R, the focal length F calculated by the above formula becomes 455 mm.
(103) For example, when a lens having a focal length of F=455 mm is prepared on the basis of this criterion, F=455 mm when ND=1.50, r1=70, and r2=+65 by the above lens manufacturing formula.
(104) Since such a configuration of the ocular lens of
(105) These ocular lenses 31 and 32 may be applied to all of the examples of the ocular lenses.
(106) As described above, according to the present invention, the focal length F of the left and right ocular lenses 31 and 32 and the distances between the left and right ocular lenses 31 and 32 and the monitor 2 are matched with each other or configured within the depth of focus, and the left and right images are separately observed by left and right eyes with the left and right ocular lenses 31 and 32, respectively, so that stereoscopic images may be observed.
(107) As described above, the structures of
(108) In the optical system of
(109) Accordingly, in the present invention, one rotary body 1 configured by the general monitor 2 or each of independent left and right monitors 2a and 2b, the first left and right reflectors 33 and 34, the second left and right reflectors 36 and 37, the position sensor 4 including a gyro sensor, and the computer 4a for the calculation of the position sensor 4 and receiving the image is combined with the known left and right rotary means, and combined with upper and lower rotating means again.
(110) As shown in
(111) The up, down, left and right rotation ranges are not limited.
(112) In this case, the user rotates the rotary box 1 receiving the stereoscopic left and right eye images L and R or the 2D edited virtual reality image in one image frame from the small computer 4a at up, down, left and right by the upper and lower rotary bars 6 and the left and right rotary bars 7 to detect and provide the image by calculating the rotated image in the corresponding viewing direction by the position sensor 4.
(113) The configuration of the position sensor 4 may have a structure for sensing the rotary box 1 moving at the rear surface of the monitor 2 or a fixed position separated from the rotary box 1.
(114) In addition, when the position sensor 4 is used as a camera sensor, the camera sensor is separately provided on the rear side of the rotary box 1 based on the user, and a response sensor responsive to the camera sensor is coupled to a rear end of the rotary box 1.
(115) The sensing reference of the position sensor 4 is calculated based on the position of the front screen observed by the user as a reference, and the moving position while rotating when the rotary box 1 rotates up, down, left, or right is calculated.
(116) Such a reference is equally applied to all of the above embodiments of the present invention.
(117) Therefore, according to the present invention, since a large screen of 6 to 40 inches may be provided on the optical axis of the ocular lens as compared with a conventional 3-inch screen as the size of the general monitor 2, it is possible to provide a 4 to 230 times 2D or 3D virtual reality image, simultaneously rotate the overall optical components by a unit of the rotary box 1, and contribute to reduction in weight of the rotary box 1 compared with the related art.