TW581880B - Single-body dual-refractive image display apparatus - Google Patents

Abstract

A kind of single-body dual-refractive image display apparatus mainly includes the followings: a display unit for providing an image; two first refractive lens sets located on one side of the display apparatus for refracting the light beam emitted from the display unit; two first reflection units located on the same side of the display unit relative to the first refraction lens set for reflecting the light beam emitted by the first refraction lens set; two second reflection units for deflecting the light emitted from the first reflection unit; two second refraction lens sets located on one side of the second reflection unit, but the second refraction lens set are not located on the straight line formed by the second reflection unit and the first reflection unit; and two virtual image formation mirror sets, which are respectively located on the other side of these two second refraction lens sets to deflect the light refracted by these two second refraction lens sets, so as to convert the image formed by the second refraction lens set into the virtual image. The image displayed by the display unit is obtained through the following steps: after the inverted image of the original image formed by the refraction of the first refraction lens set is reflected by the first reflection unit and the second reflection unit to the second refraction lens set, it passes through the refraction lens set and is deflected to form a real image which is the same in the vertical and horizontal directions as the original image, and is converted by the virtual image formation mirror set into a virtual image which is the same in the vertical and horizontal directions as the original image.

Description

581880 A7 --------- 67__ V. Description of the invention (1)-~ --- [I. Technical Field of the Invention] The present invention relates to an image display device, especially a glasses-type or head-wearing device. Type video display device. [II. Prior Technology] In recent years, various audiovisual equipment and display devices have made rapid progress. In addition to enhanced functions, thinness, lightness, shortness, and portability have also become the king of displays. One of the emerging display devices is virtual reality ( Virtual reality) technology, through the integration of various technologies, such as display technology, computer technology, sensory technology and sound technology, etc., reduces the original large-sized audiovisual equipment between square inches, and has become a portable glasses-type projection display device. Although the weight of a general flat panel display is reduced, its size is limited by the weight of the material and the cost. It cannot achieve the effect of simultaneously enlarging the image size and easily carrying it. Therefore, the current display cannot meet the market demand for large-size image display. Recently, many industry players have been optimistic about projection displays, especially glasses-type displays. Because of their small size, they can use a combination of optical components to allow users to achieve the viewing effect of large screens. It is generally expected that the glasses-type display can save the space occupied by the general display and greatly reduce the weight of the display with the same effect to meet the needs of advanced audiovisual. However, although the current glasses-type projection display devices are light in weight, they are still too heavy to be worn on the head. In the past, the glasses-type display was mounted in front of the user with two small-sized Crt image tubes, and the effect of enlarging the size was achieved by shortening the distance between the CRT and the clear eye. However, this design has a heavy load on the user's head. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297). 5 (Please read the precautions on the back before filling in the blocks on this page) Binding- ------ Fun Line 丨

581880 A7 ------ B7_ V. Description of the invention (2) '~------ And Xiaotian has strong rays and is not practical. The general glasses-type projection display device that is used recently is known as a flat display device. Its principle is shown in Figure 1. It includes a liquid crystal /, D 110, a two-way beam splitter 120, a polarized beam splitter 13 (), = projection. Lens 丨 ^ and two plane mirrors or concave mirrors 15 (), \ 60. The image provided by the child liquid crystal display 110 is reflected twice through the two mirror surfaces 15 and 160, and the image is projected into the observer's eyes. However, the final image formed by this type of shooting is a real image. When used at close range, it will force the eye's crystalline lens to bend and oppress the eye; please refer to Figures 2a to 2e. This is the capital of knowledge Schematic diagram of the Buller effect on the human eye. Just like many video recorders or cameras used by many people at the same time, when users try to focus while holding the f camera while moving, they will find that the lens of the camera = adjust its focal length back and forth. This is because the camera must try to figure out what exactly Part of it is the subject you want to shoot, the distance of the subject from the camera, and so on. The human eye is just like the lens of a camera. It is necessary to quickly adjust the curvature of the lens and the length of the eye axis at any time to adapt to different distances. As shown in FIG. 2a, when the eye sees that the body image is a static real image 6, the eyeball 5 and the crystalline lens 51 are maintained in a normal state. 'Then see FIG. 21). When the real image 61 and the eyeball 501 are in a relative position When moving, the eyeball 501 must quickly adjust the length of the eye axis and the curvature of the crystalline lens 511 in order to grasp the correct image. As shown in Figure ^, the curvature of the crystalline lens 5 12 becomes smaller and becomes flatter, and the eye of the eyeball 502 The axis length is shortened to accommodate the curvature of the crystalline lens 5 1 2 or, as shown in Figure 2d, the curvature of the crystalline lens 513 becomes larger and becomes thicker, and the axis length of the eyeball 503 is changed to accommodate the curvature of the crystalline lens 513. Long; finally, as shown in Figure 2e, this paper size is based on the GuS Family Standard (CNS) A4 specification (21Qx297 Gongchu 6 (please read the precautions on the back before filling in the columns on this page). ----- Line! 581880 A7 B7 V. Explanation of the invention (3) It shows that the crystalline lens 5 1 4 is adjusted to a correct curvature, and the eye axis is adjusted to the shape of 5 0 4 during the process of rectification. Because the object moves faster than the speed of the eyeballs, there will be afterimages 6 2 It is also known as the Doppler effect. In the process of fast focus adjustment, the blood vessels around the eyeballs circulate a large amount of blood, which can cause pressure on the eyeballs, and the intraocular pressure caused by long and frequent adjustments of the focal length can cause eye pressure. Not only does Gao feel uncomfortable to the human eye, but severe cases are more likely to cause retinal detachment. Therefore, if this kind of real image technology # device is used in a glasses-type display device, the observation time (within a few hours) will result in prolonged results. Causes the observer's intraocular pressure to rise, causing symptoms of dizziness and discomfort, and even severe cases leading to retinal detachment, so it is not suitable for young children i or patients with heart disease or sphygmomanometer. Projected real images are used in eyeball imaging 'its magnification If you want to improve, you need to lengthen the distance between the projection lens group and the eyeball, so if you want to increase the image magnification, you need to increase the space occupied by the projection system, which is not practical in practice. The display device in the eyes, when the user's head moves, the image will be blurred or severely shaken due to ghost images and the Doppler effect. The display quality is not good, and the application field is not wide. Therefore, a new display device is still needed on the market, which can effectively enlarge the image provided by the microdisplay π device and maintain high resolution. Its imaging method will not press the eyeballs. Even if it is used at a short distance and for a long time, it will not cause the symptoms of increased intraocular pressure. Because of this, the inventor has been thinking about a "single birefringent image display device" that can solve the above problems. After several research and experiments, this invention has been completed. ^ The paper size is applicable to the Chinese National Standard (CNS) Α4 specification (210X297 public love 1 --- (Please read the precautions on the back before filling in the blocks on this page). --------- Order -------- line 丨 _ 581880 V. Description of the invention (4) [III. Summary of the invention] Summary of the present invention The main purpose of the present invention is to provide a kind of video Gu effectively enlarges the image provided by the micro display with a small footprint, = holding = = degree, avoids stress on the eyeball, prolongs the use time, the material is: = low power consumption, easy magnification adjustment, high image brightness contrast, reduced brightness and Ghost effect 'Is suitable as an eyeglass-type or head-mounted display device. In order to achieve the above-mentioned object, the "monolithic birefringent imaging display device" of the present invention mainly includes: a display unit JJ, a early stage, a younger-refractive mirror group, which is located on the side of the significant π early stage =- Fold the light emitted by the display unit; the second-reflection unit it is located on the same side of the display unit as the _refraction lens group, and is used to reflect the light emitted by the first refraction lens group, and wherein The first refractive mirror group is interposed between the first reflecting mirror group and the display unit; two second reflecting units are used to deflect light emitted from the first reflecting unit, and m two first reflecting units are located in the Between two second reflecting units: two second refractive mirror groups are located on one side of the second reflecting unit, but the second refractive lens group is not located on a straight line formed by the second reflecting unit and the first reflecting unit. Deflecting the light penetrating or reflecting from the second reflecting unit respectively; and two virtual image imaging lens groups are respectively located on the other side of the two second refractive lens groups, and are deflected by the second refractive lens group. Light from the camera, and the virtual imaging lens group will The image formed by the second refractive lens group is converted into a virtual image; wherein the second refractive lens group is located between the second reflection unit and the virtual image imaging lens group; and the image displayed by the display unit is passed through the first Refraction This paper is sized for China National Standard (CNS) A4 (210x297 mm)

,? Τ (Please read the notes on the back before filling in the sheds on this page)

V. Description of the invention (5) Refraction formation of the mirror group-an image inverted with the original image, and then reflected by the first reflection unit and the second reflection unit to the second refraction mirror group and penetrate the refraction Group deflection formation—a real image standing upright with the original image, and then converted into a virtual image standing upright with the original image through the virtual image imaging lens group. The above-mentioned display device can be applied to any image or picture, symbol, and text display application or equipment, preferably TV, computer, printer's information, display screen, transportation vehicle (vehicle) information Display device: information display device of k-machine, communication equipment (such as wireless mobile phone, telephone), information display device of telephone, talking e-book, microdisplay, fishing equipment display, number: Personal digital assistant, virtual game, information display device for virtual flight training, display of airplane equipment and display of game eye mask. Since the present invention has a novel structure, can provide industrial use, and does have an increasing effect, it applies for an invention patent in accordance with the law. Please refer to FIG. 3 and FIG. 4 for a detailed description of the present invention. These two figures are schematic diagrams of real image and virtual image difference of the eye image. FIG. 3 is a situation where a conventional projection system projects a real image 4 'as a real image of the eye. Next, the eye must be properly focused so that the image is imaged on the retina in order to "see" the image 4 丨, as described in the previous paragraph, the focusing process will bring pressure to the eye. Figures 4a to 4c show what the eye of the invention sees as a virtual image. In this case, when the imaging lens group (concave mirror) 2 60 is transparent, the real image projected by the display unit (not shown) is in accordance with the Chinese National Standard (CNS) A4 specification (210x297 mm). 9 (Please read the notes on the back before filling out the columns on this page) Install! ------ Order ------- " ^ 线 丨

581880 A7 B7 V. Description of the invention (6) 42 will form a virtual image 43 after the imaging lens group 260, and because the human eye observes the virtual image of the reflecting surface, the eyeball system adjusts its focus on the reflecting surface. When the eye is looking at the virtual image of the reflective surface, the clear eye does not need to adjust the focal length, but only needs to focus on the reflective surface. And if there is movement of the reflecting object or the image projected on the reflecting surface in the display, the focus of the eye is only on the reflecting surface, that is, the eyeball does not need to significantly adjust the focal length because of the reflected object or the image movement in the display. The image of an object image or a moving image in the monitor is projected on the retina after passing through the lens in the eyeball. It can be recognized by several layers of the retina, which can make the eye clearly see the image or distinguish the movement of the image, but it does not have to follow the image. Quickly adjust the length of the eyeball to suit the movement of the image, so that the intraocular pressure will not rise. The distance between the virtual image of the non-transparent reflection surface in the eyeball can be roughly explained in Figures 4b and 4c. Because the retina of the eyeball has a multi-layered structure, the eyeball can feel the distance of the image in a multi-layered structure. When the virtual image 44 enters the eyeball through a reflective surface 2 60, the eyeball will automatically adjust the relative image of the non-penetrating reflective surface through the lens to the retina, and the virtual 4 4 image formed by reflection on the reflective surface is passed through the eye lens Later, when the focal length adjustment of the eyeball lens is fixed on the reflective surface, imaging is performed on the multilayer structure of the retina. The eye "feels" through the retina to the image 4 1 2 before it falls on the eyeball retina, that is, it feels that the image exists on the retina. In front of the reflection, it is between the crystalline lens and the retina, as shown in Figure 4b, and after it is transmitted to the brain, the virtual image is seen before the reflection surface, but the focal length of the eyeball has not changed. When the real image is located on the surface of the reflecting surface 260, the image 4 丨 3 refracted by the crystalline lens will also fall on the surface of the retina. In conjunction with Figures 4b and 4c, you can explain the object or image. The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 10 (Please read the precautions on the back before filling in the columns on this page)

F, 581880

V. Description of the invention (and relative motion, as can be known from the above description, when the virtual image is moved, the eyeball must not be withdrawn from focus, so there is no problem of increased intraocular pressure, overlapping images or the Doppler effect of afterimages. It is also the advantage of virtual image projection imaging. Next, please refer to FIG. 5, FIG. 6, and FIG. 7. These three figures are schematic diagrams of the refracting mirror group used in the present invention compared to the conventional art. FIG. For a person who projects directly through 1700, since the light path of the external light source 180 is the same as the direction of the light path of the display unit 190, the external light source will strongly interfere with the projected image; Figure 6 In order to be familiar with the projection system using concave buckle 1 7 1 reflection imaging, in this figure, the light path of the external light source ^ 80 is the same as the light path of the image projected by the display unit 19, so it will also produce strong interference; Figure 7 The present invention uses refraction imaging. In this figure, there is an angle between the convex lens (refractive imaging lens group) 172 and the display unit 190. When the external light source 180 is refracted by the convex lens 172, the light path and entrance Display unit 19 0 The light paths of the projected images are not the same and will not interfere with each other, so it can form a good dark room effect, improve the contrast and sharpness of the image. The second refractive mirror group of the image display device of the present invention will be composed of a second reflection element The image formed by reflection is refracted to form an inverted real image, and then the real image will pass through the virtual image imaging unit to form a virtual image. The second refractive lens group of the image display device of the present invention preferably has functions of condensing and enlarging the image at the same time. Deflecting the light transmitted or reflected from the second reflection unit to form an enlarged real image inverted from the original image; and the virtual image imaging lens group converts the inverted enlarged real image formed by the second refractive lens group into an inverted virtual image. Preferably it is an inverted magnified virtual image; according to the above requirements, the image reflected by the second reflection unit and (please read the precautions on the back before filling in the columns on this page)

581880 V. Description of the invention (=: = τ is preferably between the focal length and the limit of the second refractive lens group, and can be any conventional refractive lens group, preferably: 2: T or the second refractive lens group is a condenser lens group, The better is the first lens; the second lens is a convex lens or two monoconvex lenses. The front L early convex lens < curvature may be the same or different, preferably the first refractive lens, and the curvature of the early convex lens is different. The image display device of the present invention emits light from the first person and the second refracting lens group produces light, small trees, and more preferably, the degree of the image display device of the image display device of the present invention— Early reflection is used to reflect or change the direction of light travel, so that a refraction lens group enters the second reflection unit. The first reflection unit is unlimited, and can be a conventional reflective optical lens group, preferably A triangular prism with a reflection function, or a reflective film with a 100% reflectivity plated on the triangular prism. The second reflection unit of the image display device of the present invention is used to reflect or change the light direction ^ universal 'so that the light passes through the first prism. A mirror group enters the second refractive mirror group; the second reflection There is no limitation on the radiation unit, and it can be a conventional reflecting optical lens group, preferably a three-dimensional mirror with reflection function, or a reflective film coated with a 100% reflectance on the triangular prism. The display unit of the image display device of the present invention can In order to be used for display, it is preferably a micro-planar display, more preferably an LCD, an LCOS micro-display or a DMD micro-display. The function of the virtual image imaging mirror set of the present invention is to convert an object or a real image into a virtual image, preferably a concave mirror, a concave lens or a flat mirror. Group; if it is a concave mirror or a concave lens, placing an object or real image within its focal length will produce a magnified upright virtual image behind the mirror; if this paper size applies the Chinese National Standard (CNS) A4 specification (210X297 public love) 12

(Please read the notes on the back before filling in this page) • ^ 1 I #

----- Order -------- 铳, an upright virtual image will be generated behind the mirror; therefore, the image display T device of the present invention < the second refractive mirror group and the virtual image imaging mirror group The distance is preferably the distance between the real image formed by the second refractive lens group and the virtual image imaging lens group is smaller than the focal distance of the virtual: imaging lens group. The present invention further includes a light source to provide a side-displayed π monocular light. The transmittance of the virtual image imaging unit of the present invention is unlimited, so that the external environment and the virtual image can be seen at the same temple, preferably 50-70% penetration and 30-5 0/0 reflection. According to the present invention, at least one half of the solid-state liquid crystal layer may be used to cover the virtual side of the virtual image into the material side, so as to prevent the entrance of external light, or use at least an adjustable mask, which is also placed on one side of the virtual image imaging unit. To control the entry of outside light. The image display device of the present invention can be optionally combined with an auditory device to form an overall sound device. For example, the image display device of the present invention can be combined with an eyeglass-type outer cover and an inner cover and assembled with an earphone to form an eyeglass-type audiovisual device. The audiovisual equipment can be connected with other existing computers or virtual reality microprocessors to enhance functions, for example, as a private display 7F device, or connected to training machines (such as simulators, space ^ gravity-free training) simulation training, Or connect to the video system for long-distance ^ ^ 控 逯 逯, ^ control, or as the information display and environmental display of driving traffic vehicles, or as a display device for virtual games. [...] [IV. Implementation Modes] The technical content is specifically to enable your review committee to better understand the present invention. The preferred specific embodiments are described below. 581880 A7 ______B7_ V. Description of the invention (10) Embodiment 1 Please refer to FIG. 8. FIG. 8 is a cross-sectional view of the interior of the glasses-type image display device of the present invention. This embodiment includes a T-shaped housing containing an LCOS micro-display 210, two light sources 21 1, two non-equal curvature convex lenses 22 and 22 1 (first refractive lens group), two Mitsubishi lenses 23 and 231. (The first reflection unit), two other three lenses 240 and 241 (the second reflection unit), two non-equal curvature convex lenses 250 and 251 (the second refractive lens group), and two concave imaging areas that are partially mirror-finished 260 and 261 (virtual image imaging unit). Wherein, the two sides of the microdisplay 2 1 0 are provided with two convex lenses 2 2 0 and 2 2 1, and the other side of the two convex lenses 2 2 0 and 2 2 1 are provided with two triangular prisms 2 3 0 and 231. The convex lens 220 is interposed between the display 210 and the triangular prism 230; and two prisms 240 and 241 are respectively disposed on two sides of the two prisms 2 3 0 and 2 3 1 ′, so that the micro display 21 0, the convex lens 211 and the three prisms稜鏡 230 and 231 are between the three 稜鏡 240 and 241, and the straight line formed by the display 210 and the triangular prisms 230 and 231 is perpendicular to the straight line formed by the triangular prisms 230, 231 and the two prisms 240, 241 . Below the triangular prisms 240 and 241, convex lenses 25 and mi are respectively disposed, and below the convex lenses 250 and 251 are virtual image imaging areas 260 and 261, respectively. Wherein, the convex lenses 250 and 251 are arranged so that the incident light from the three lenses 240 and 241 and the normals of the incident surfaces of the convex lenses 2 50 and 2 51 form one. ? The angle Y between degrees. Please refer to FIG. 9, which is a top view of the interior of the glasses-type image display device of the present invention. This figure shows that the lenticular lenses 220 and 221, and the triangular prisms 2 3 0 and 2 3 1 are set at a sufficient angle, so that the convex lens 2 2 0 and this paper scale are applicable to the Chinese National Standard (CNS) A4 specification (210X ^ 97 公 | j ---- ϋ (Please read the notes on the back before filling in the columns on this page) ----, Yiding -------- # · 581880 A7 B7 V. Description of the invention ( 11) (Please read the notes on the back first and then fill out the columns on this page) 221 can accept the light emitted from the display 21 ° at various angles, and just deflect it to the prisms 23 0 and 231; in order to be able to fully receive the display For the light of various angles of 21 °, the convex lenses 220 and 221 are convex lenses with non-equal curvature. They have a smaller curvature on one side facing the display 2 10 and can receive light from a wider angle. One of the side curvatures of 2 3 1 is large in order to achieve a good deflection effect, so that the light just passes to the triangular prisms 23 and 231. The triangular prisms 23 and 231 must also be set at a specific angle and the angular phase, as shown in Figure 1 As shown in the figure, the light from the convex lenses 2 2 0 and 2 2 1 should be exactly two to the left and right. Moving forward, completely reflecting to the prisms 2 40 and 2 41. With this arrangement, the image provided by the display 2 1 0 is deflected to the prisms 230 and 231 through the convex lenses 220 and 221, and the prisms 23 0 and 23 1 The image is reflected to the left and right triangular prisms 240 and 241 respectively. After that, the separated image is reflected to the convex lenses 250 and 25 1 respectively through the triangular prisms 24 0 and 24 1 to form an enlarged real image, which will be described in detail below. Please refer to FIG. 10, which is a side view of the interior of the glasses-type image display device of the present invention. This figure shows that the prism 240 will refract the image provided by the display unit to the convex lens 250, which is an image 2 71, and the image 2 71 will fall somewhere between the focal length of the convex lens 2 50 and twice the focal length, and according to the principle of convex imaging, double the focal length of the other side of the convex lens 2 50 A magnified real image 272 will be formed upside down and left and right unchanged (if an screen is placed on this, an inverted magnified real image can be seen). The magnification of the real image 272 depends on the distance between the image 271 and the convex lens 250. Near magnification The higher the rate. The real image 272 must fall within the concave mirror. 15 The paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm). 581880 A7 _B7 V. Description of the invention (12) Within the focal length of 2 60, the same, According to the imaging principle, an enlarged virtual image 2 7 3 will be formed on the other side of the concave mirror 260, and the magnification of the virtual image 2 7 3 also depends on the distance between the real image 2 7 2 and the concave mirror 2 6 0. Note that in this embodiment, there is no screen between the convex lens 250 and the concave mirror 260, and the magnified real image formed by the convex lens 250 cannot be seen. Therefore, the phenomenon we see is that the light passes through the convex lens 25 0 converges to the concave mirror 260, and then projects into the observer's eyes at the concave mirror 260, but the light is focused on the eyeball into a real image, so the eye will extend the light to the concave mirror 260, Form a magnified virtual image 273 with the same direction as the real image 272. Those skilled in the art will recognize that in order to achieve the above-mentioned imaging spectrometer, the three prisms 240, convex lenses 250, and concave mirrors 260 must be in a specific relative position. Image 271 may have to fall between the lens focal length to twice the focal length 24〇, and the image 272 may fall inside the concave mirror of focal 26〇. The above-mentioned image display device can be selectively combined with a hearing device ^ as shown in FIG. 11. The above-mentioned image display device 3 2 0 can be combined with an inner cover 310 and an inner cover 34 o of the glasses, and assembled with an earphone 33 o to form a complete glasses-type audio-visual device. The microprocessor of the brain or virtual reality is used as the display device of the computer, or connected to a training machine (such as a simulator) to simulate training, or connected to the video system for remote communication, learning, conferences, monitoring, Or as a driver ’s vehicle information display and environment display, or as a virtual game display. (Please read the precautions on the back before filling in the blocks on this page) ---- Order ------- This paper size ---- 581880 A7 B7 V. Description of the invention (13) Embodiment 2 This embodiment The structure is substantially the same as that described in Embodiment 1, except that the virtual image imaging unit 260 is replaced with a concave mirror by a flat mirror. In this way, the image formed is only subjected to the refraction and magnification of the convex lens 250, and then converted into a virtual image by a plane mirror. The plane mirror has no magnification effect. However, the magnification and function of image magnification in this embodiment can still be performed by the convex lens 250 that refracts light. Embodiment 3 The structure of this embodiment is substantially the same as that described in Embodiment 1, except that the virtual image imaging unit 260 is replaced by a concave mirror with a concave lens having a reflectance of 40%. The imaging principle and magnification are the same as those described in Embodiment 1. . However, after changing to a concave lens, the observer can see the external environment at the same time when observing the image. Because the device of the present invention forms a virtual image by refractive projection, when a concave lens is used as the virtual image imaging unit, the light transmitted through the concave lens has a large refractive deflection angle, so it is slightly higher than standing in front of the user and the line of sight. People with glasses-type displays will not see the images and data that the user is using or receiving, and they have good confidentiality and privacy, and will not interfere with others around them. Embodiment 4 The structure of this embodiment is substantially the same as that described in Embodiment 丨 except that the virtual image imaging unit 2 60 is a combination of a mirror and a concave lens, and its -----: ----.- --- 1% pack (please read the precautions on the back before filling in the columns on this page), Yiding 581880 B7 V. Description of the invention (14) The imaging principle and magnification are as described in Example 1. The mirror can be swapped up and down 'so that depending on the observer's needs, he can decide whether to only observe the image or to see the external environment at the same time. Embodiment 5 The structure of this embodiment is substantially the same as that described in Embodiment 1, except that the virtual imaging unit 260 is composed of a mask and a concave lens; the imaging principle and magnification are the same as those described in Embodiment 丨. The mask can be swapped up and down, so it is up to the observer to decide whether to observe only the image or to see the external environment at the same time.实施 例 6 明 ♦ See Figure 12 2. The structure of this embodiment is substantially the same as that described in Embodiment 3, except that the virtual image imaging unit 26 is externally equipped with a semi-solid energy liquid crystal layer mask 350 and a polarizing lens ㈣; its imaging principle and magnification are the same as the implementation Example 1. However, the semi-solid liquid crystal layer mask becomes transparent when it is energized, allowing external light to pass through, and the user can receive images and monitor the surrounding environment while receiving images from the display. When the user turns off the mask of the liquid crystal layer < the power, the mask covers the light outside the boundary, and the information or image is received without external interference, so it can be determined whether it is powered or not, and it is in a transparent or opaque state. Used as-raster. Therefore, it is up to the observer to decide whether to observe only the image or whether he wants to see the external environment at the same time. In addition, since this embodiment uses a concave lens as a virtual image imaging unit, the ambient light is higher than the user's line of sight (such as the sun 18 (please read the precautions on the back before filling in the columns on this page). ㈣ __ (CNS) A4 specification (581880

Description of the invention (15) Light) When the concave lens is transmitted, the deflection angle of the concave lens is large and the angle of deflection is large. 'The sun of Da Shao's injury enters the concave lens because the angle of refraction is large and does not enter the eyes of the user. The embodiment uses refraction to form a virtual image, which can reduce the interference of ambient light and relatively enhance the contrast of the image. And when watching images or information, you can watch the dynamics of the outside world at the same time in the case of no image # image or information comparison. This image display device has a wide range of applications. For example, the driver of an aircraft, a locomotive, or a locomotive can simultaneously perform multiple tasks; l It can be used for various tasks, and can also take into account driving. It can be known from the foregoing embodiments that the imaging principle of the present invention is virtual image imaging, which is mainly formed by using a refraction lens group (convex lens)-an enlarged real image inverted with the original image; then it is formed by a virtual image imaging unit (concave mirror, concave lens, or plane mirror). -A magnified virtual image inverted from the original image. This kind of eye-sighted image display device applying the principle of virtual image imaging does not cause eyeball compression. Even if it is used for a long time, it will not cause dizziness in a few hours. It is a modern glasses or head-mounted image display. Technology-a big breakthrough. The invention uses the formation of a virtual image on the eyeball, so when the user's head moves, the image blur caused by the Doppler effect and the ghost effect is reduced. In addition, since the present invention uses a refracted light to form a virtual image in the user's eyeball, only the distance, angle and even curvature of the virtual image imaging lens group lens or the second refractive lens group (such as = lens) need to be adjusted when enlarging the image. , The adjustment method is simple 'small footprint. ㈣This tradition forms a real image in the eyes of the user, and requires a projection display device that takes up a lot of space, with simplified operation and (please read the precautions on the back before filling in the columns on this page)

Equipment: · 1 ----- Order ------- 丨 guang · 581880 B7 V. Description of the invention (16) Relative advantages of flexible use of the workshop. Furthermore, since the present invention uses a refracted light to form a virtual image on the user's eyeball, the contrast of the imaging is more oriented, the darkroom effect is large, and it is less affected by the ambient light. Compared to the traditional projection display, which forms a real image on the user's eyeball Device, better image quality. When the user uses it, for the non-users in the surroundings, because the image is a refraction imaging, the light refraction angle of the virtual image imaging environment group of the social media is large, and it will not affect other people around the same height as the user's line of sight. Lower. The image display device of the present invention can transmit images to the left and right eyes using only a micro-display. Compared with the traditional technology, two displays must be used = phase 2. The image display device of the present invention is lighter. Smaller size and significant cost savings. And the tiny image provided by the micro-display can control the relative curvature of the virtual image imaging (concave, concave or plane mirror) and the refractive lens group (convex lens), which can reach the user's eyes equivalent to magnification Effect, but the various optical elements used by it have the advantages of light weight, small size, low material cost, low power consumption, easy to carry, great flexibility in use, and can reduce production market demand. Ding Kou did not know what the present invention was about. The purpose, means and effects of the present invention are showing its characteristics that are different from those of the conventional technology. One test, "The early body birefringence image shows a big breakthrough, I urge your reviewing committee to make a clear observation, to grant a quasi-patent at an early date, to benefit the society, and to have a sense of virtue. However, it should be noted that many of the above embodiments are just examples for the convenience of explanation. The right of Wang Zhang of the present invention :: Wai From 4 to the scope of the patent application, not limited to the above implementation

i0 " 丨 ^ ----, order -------- (Please read the notes on the back before filling in the columns on this page) 20 581880 A7 B7 V. Description of the invention (17) [V. Simple diagram Description] Figure 1 is a conventional image projection display device. Figure 2 &, 213, 2 (:, 2 (1, 26 series of human eye Doppler effect diagram. Figure 3 series of human eye view real image. Figure 4a, 4b, 4c series human eye view virtual image. Figure 5 is a schematic diagram of a conventional projection projected by a convex lens. FIG. 6 is a schematic diagram of a projection projected by a concave mirror. FIG. 7 is a schematic diagram of the projection projection of the present invention by refraction. FIG. Fig. 9 is a top view of the interior of the glasses-type image display device of the present invention. Fig. 10 is a side view of the interior of the glasses-type image display device of the present invention and the principle of virtual image imaging. Fig. 11 is a schematic combination view of the glasses-type image display device of the present invention. Figure 12 is another schematic diagram of the combination of the glasses-type image display device of the present invention. [VI. Explanation of the drawing numbers] 110 LCD display 120 bi-directional beam splitter 130 polarized beam splitter 220 convex lens 210 LCOS micro display 310 housing 211 light source 320 image Display device (please read the precautions on the back before filling in the columns on this page) Γ,-ia ^ i 1 ^ 1 nn 11 ϋ—-· ϋ n in i ^ i, v-port 140 projection lens 150 mirror 160 mirror 170 Convex lens 171 Concave lens 221 Convex lens 230 Convex prism 231 Convex lens 240 Convex lens 241 Convex lens 330 Convex lens 340 Inner cover 350 Semi-solid liquid crystal cover 360 Polarized lens 5 Eyeball 501 Eyeball 21 This paper applies Chinese national standard (CNS) A4 specification (210X297 mm) 581880 A7 B7 V. Description of the invention (18) 172 convex lens 250 convex lens 502 eyeball 180 external light source 251 convex lens 503 eyeball 190 display unit 260 concave mirror 504 eyeball 4 real image 261 concave mirror 51 crystal epiphyseal 41 image 270 image 511 water crystal 412 image 271 image 512 water crystal 413 Image 272 Image 513 Water crystal 42 Real image 273 Image 514 Water crystal 43 Virtual image 6 Real image 44 Virtual image 61 Real image 62 Residual image 63 Residual image 64 Real image 22 (Please read the precautions on the back before filling in the blocks on this page) _ | ^ ____ Τ ______ This paper size Applicable to China National Standard (CNS) A4 (210X297 mm)

Claims (1)

581880. No. 91135396, September ^^ / Correction / Buzhi_ " C8 I ~;; ------ _____ D8 VI. Patent Application Scope '-~~ ^ ~ *-I 1 * Kind of image display The device mainly includes a display unit to provide an image; a mirror lens set on one side of the display unit to deflect light emitted by the child display unit; and a reflection unit located on the display unit Opposite to the same side of the first refraction union is used to reflect the light emitted by the first refraction mirror group, and the n-refraction mirror group is interposed between the first reflection unit and the display;-a first A reflection unit for deflecting light emitted from the first reflection unit, wherein the second-reflection unit is located between the two second reflection units; ^ a second refractive lens group is located at the second reflection unit One side, but the second refraction lens group is not located on a straight line formed by the second reflection unit and the first reflection unit, and is used to deflect light transmitted or reflected from the second reflection unit respectively; and two virtual image imaging The mirror groups are respectively located in the second and second refractive mirror groups. Side, the light transmitted by the second refractive lens group is deflected, and the virtual image imaging lens group converts the image formed by the second refractive lens group into a virtual image; wherein the second refractive lens group is located in the first Between the two reflection units and the virtual image imaging mirror group; and the image displayed by the display unit is refracted by the first refraction mirror group to form an image inverted from the original image, and then reflected and reflected by the first reflection unit. The second reflection unit reflects to the second refraction lens group and penetrates the paper standard applicable to China National Standard (CNS) A4 (210X297 mm) 23 581880 ------------ Application scope T The second refraction lens group is deflected to form a real image that is orthogonal to the original image, and then converted into a virtual image that is orthogonal to the original image by the virtual imaging lens group . I. 2-The image display device as described in item 1 of Shenyan's patent scope, and the middle refraction lens group has both the function of condensing and enlarging the image to deflect respectively. Brother: the light transmitted or reflected by the reflection unit, Form an inverted real image with the original image; iL the virtual image imaging lens group converts the inverted real image formed by the second refractive lens group into an inverted virtual image. "." The image display device described in item 1 of the scope of patent application, the middle and side brothers, a refractive lens group and the first: refractive lens group are-condenser lens group. :: The image display device as described in the second aspect of the scope of a patent application, in which M comes from the first reflection unit-formation-angle-angled beam 1 normal of the incident surface of the brother group, and the angle Y of the side is greater than 0 degrees and less than 90 degrees . Every 5th like!影像 The image display device described in item 1 of the patent scope, "the mother-brother-refractive lens group is a convex lens. The image display device described in item 1 of each of the eighth scope is different. &Quot; -Group 4 2 A single convex lens, and the curvature of the two single convex lenses is the same as the image category described in -7. Among them, the earlier one is a reflection # 能 之 三稜鏡. "· The image child described in item 2 of the scope of patent application. The birefringent lens group is a convex lens, which is used to magnify and penetrate the second refracting unit of the second refracting mirror τ > Jing first read the precautions on the back before filling in the columns on this page) Guoguo 24 581880 B8 C8 D8 VI. Patent application scope 9 · The image display device described in item 1 of the patent application scope, wherein each of the second refractive lens groups is two single-convex lenses, and the curvatures of the two single-convex lenses are different. 10. The image display device as described in item 1 of the Shenjing patent scope, wherein the display unit is a flat micro-display. 11. The image display device as described in item 1 of the patent application scope, wherein the display unit is an LCD, LCOS microdisplay or DMD microdisplay. /. 12. The image display device according to item 1 of the scope of patent application, wherein the second reflection unit is a triangular prism with a reflection function. 13. The image display device according to item 1 of Shen Qing's patent scope, wherein the virtual image imaging lens group is a concave mirror or a concave lens. 14. The image display device according to item 1 of the scope of patent application, wherein the virtual image imaging mirror group is a flat mirror. 15. The image display device according to item 1 of the scope of the patent application, wherein the distance between the real image formed by the second refractive lens group and the virtual image imaging lens group is smaller than the focal distance of the virtual image imaging lens group. 1 6 · The image display device as described in item 4 of the scope of patent application, wherein the #HAI included angle Y is between 0 degrees and 70 degrees. 1 7 · The image display device according to item 1 of the scope of patent application, wherein the distance between the image reflected by the second reflecting unit and the second refractive lens group is between the focal distance of the second refractive lens group and its double focal length. between. 18. The image display device according to item 1 of the scope of patent application, further comprising at least one light source 'for providing light to the display unit. (Please read the precautions on the back before filling in the columns on this page) Binding II --------- Line! 581880 A8 B8 C8 ____D8 VI. Patent application scope 19. The image display device described in item 1 of the patent application scope further includes at least half of a solid-state liquid crystal layer masked on one side of the virtual image imaging unit to control external light. enter. 20. The image display device according to item 1 of the scope of patent application, further comprising at least one adjustable mask on one side of the virtual image imaging unit to control the entrance of external light. 2 1. The image display device described in item 1 of the scope of patent application, which is used as a Goggle type display device or a head mount display device. (Please read the precautions on the back before filling out the columns on this page) ϋ ϋ — " J- · ϋ I ϋ # 线 · 26 This paper size applies to China National Standard (CNS) Α4 specification (210X297 mm)