TWM536362U - Reflective enlarged virtual image display device - Google Patents

Description

Reflective magnified virtual image display module

The present invention relates to a display module; more particularly, the present invention relates to a reflective magnified virtual image display module.

Various display devices are already required in current daily life. Conventional display devices mostly display desired information on a fixed screen, such as a computer screen disposed on a computer, a control screen disposed on various instruments, or an embedded screen disposed on a vehicle dashboard. However, based on the increasing variety of applications, the aforementioned fixed display devices have gradually become insufficient.

An extended application form of various display devices has been developed today. For example, a Head Up Display (HUD) for a vehicle can be found on a newly released car. In addition, based on the increasing demand of modern people for obtaining instant messages, it is an inevitable trend that display devices are moving in a light and thin direction. Current small display devices such as google glass have shown this trend of miniaturization. Another head mounted display device (HMD, Head Mounted Display) is also a hot topic in recent years. Head-mounted display devices typically present image information to a display worn by the user's head. Early use was used for helmets used by pilots in order to be able to obtain a variety of messages to increase flight safety. Head-mounted display Applications for Virtual Reality (VR) or Augmented Reality (AR). In the above various display devices, most of the two-dimensional image information is presented. Recently, based on the need for immersive and interactive, Virtual Reality (VR) or Augmented Reality (AR) presents stereoscopic 3D images, and can have more advanced application types.

However, in the above-mentioned large or small display devices, in order to present the required two-dimensional or three-dimensional three-dimensional image information, the optical components are still complicated, and thus the scope of application of the stereoscopic image display device is limited.

Therefore, the development of a display device having a simple structure, being easy to integrate with current instruments and devices, and capable of presenting two-dimensional or three-dimensional three-dimensional images has become an urgent task for the improvement of the stereoscopic image display device.

The present invention provides a reflective magnified virtual image display module with a simple structure and capable of presenting two-dimensional or three-dimensional three-dimensional images. By modulating the relative position, relative distance and optical parameters of the image source, the semi-reflective unit, the various optical elements, and the virtual image, a variety of application forms and better display effects can be obtained.

To achieve the above objective, in one embodiment, the reflective magnified virtual image display module of the present invention includes an image source and a half reflection unit. The image source is used to provide a projected image, wherein the projected image is a two-dimensional image or a stereoscopic three-dimensional image. The semi-reflective sheet comprises a first surface and a second surface. The first surface is configured to receive and reflect the projected image projected by the image source to a user's eyes. The user sees through the first surface with both eyes, and sees the same message content, enlarges the size, and is a two-dimensional or three-dimensional one-dimensional virtual image and an external background on the same side of the second surface. One of the vertical central axes of the image source is at a distance d from a vertical central axis of the semi-reflective unit, and the vertical central axis of the semi-reflective unit forms a first angle θ with respect to the vertical central axis of the image source, and the image source is formed with respect to a horizontal plane. A second angle θ 2 that satisfies the following relationship: 0 deg θ θ 1 ≦ 80 deg; 0 deg ≦ θ 2 ≦ 45 deg; and 0 mm ≦ d ≦ 250 mm. The first surface of the semi-reflective unit is a concave surface and is a spherical surface, an aspheric surface or a free curved surface, and the effective focal length (EFL) is greater than or equal to 10 mm and less than or equal to 1000 mm, thereby adjusting the magnification of the virtual image. The distance between any single eye of the user and the virtual image is greater than or equal to 250 mm. The distance between the first surface of the semi-reflective unit and the eyes of the user is 10 to 1500 mm.

In the above-mentioned reflective magnified virtual image display module, the user's binocular corresponding semi-reflective unit defines an eye box (Eye Box), and the eye box is circular or rectangular. If the eye box (Eye Box) is circular, its diameter is greater than or equal to 60 mm; if the eye box (Eye Box) is rectangular, its length is greater than or equal to 60 mm, and the height is greater than or equal to 6 mm.

In the above reflective magnified virtual image display module, the image source includes a camera. The image source and the semi-reflective unit are mounted on a wearing device, and the head device is equipped with a reflecting member. The reflector is used to reflect the external background to the camera for the camera to capture the external background. The reflector can be a mirror or a prism. The image source receives the external background through the camera, and the image source is loaded with an application (App) to perform an operation on the external background and the projected image to locate a virtual object of the application (App) and interact the virtual object with the external background. . The image source can be connected to a wireless mouse, a wireless keyboard, a wireless touchpad, a wireless briefing device or a gesture sensor to control the virtual image.

In the above reflective magnified virtual image display module, in the semi-reflective unit The second surface of the second surface may be provided with a transparent display panel, two polarizers or an electrochromic device for controlling the light intensity of the external background incident on one of the user's eyes. An anti-reflection film may be plated on the second surface of the semi-reflective unit. The image source can be a liquid crystal display panel (LCD), a digital light processing projector (DLP), a lithium-based liquid crystal projector (LCOS), an organic display (OLED), a satellite navigation system (GPS), a tablet computer. , a smart phone or a camera.

In another embodiment, the reflective magnified virtual image display module of the present invention comprises two image sources and two semi-reflecting units. The two image sources are used to project a projected image separately. Each of the semi-reflecting units includes a first surface and a second surface. Each of the first surfaces is configured to receive and reflect a projected image projected by each image source to a single eye of a user. After the two eyes of the user respectively receive the projected images reflected by the semi-reflecting units, they see through the first surfaces, and the projected images projected by the respective image sources are combined on the same side of each second surface, and the enlarged images are enlarged. It is a stereoscopic three-dimensional virtual image and an external background. One of the vertical central axes of the image source is at a distance d from a vertical central axis of the semi-reflective unit, and the vertical central axis of the semi-reflective unit forms a first angle θ with respect to the vertical central axis of the image source, and the image source is formed with respect to a horizontal plane. A second angle θ 2 that satisfies the following relationship: 0 deg θ θ 1 ≦ 80 deg; 0 deg ≦ θ 2 ≦ 45 deg; and 0 mm ≦ d ≦ 250 mm. The diameter of the exit pupil of each of the single eyes corresponding to each of the semi-reflective units is greater than or equal to 2 mm; wherein the first surface of each semi-reflective unit is a concave surface and is a spherical surface, an aspheric surface or a free curved surface, and the effective focal length (EFL) thereof 10mm or more, less than or equal to 1000mm, thereby adjusting the magnification of the virtual image; the distance between any single eye and the virtual image of the user is greater than or equal to 250mm; the distance between the first surface of each semi-reflective unit and any single eye of the user is 10 ~1500mm.

In the above reflective magnified virtual image display module, each semi-reflective single The second surface of the element is provided with a transparent display panel, two polarizers or an electrochromic device on the same side for controlling the light intensity of one of the two eyes incident on the external background. An anti-reflection film is plated on the second surface of each of the semi-reflective elements.

In the above reflective magnified virtual image display module, at least one image source includes a camera. Each image source and each of the semi-reflective elements are mounted on a headgear, and the headgear is equipped with at least one reflector. The reflector is used to reflect the external background to the camera for the camera to capture the external background. The reflector can be a mirror or a prism. Each image source receives an external background through a camera, and each image source is loaded with an application (App) to perform an operation process on the external background and each projected image, so as to locate a virtual object on each application (App), and make each virtual object The virtual image combined with the objects interacts with the external background. Each image source can be externally connected to a wireless mouse, a wireless keyboard, a wireless touchpad, a wireless briefer or a gesture sensor to control each virtual object.

In the above reflective magnified image display module, the image source may be a liquid crystal display panel (LCD), a digital light processing projector (DLP), a 矽-based liquid crystal projector (LCOS), an organic display (OLED), and a Satellite navigation system (GPS), a tablet, a smart phone or a camera.

100‧‧‧Reflective magnifying image display module

101‧‧‧Image source

102‧‧‧Semi-reflective unit

102a‧‧‧ first surface

102b‧‧‧second surface

103‧‧‧reflector

104‧‧‧Transparent display panel

200‧‧‧ headwear

300‧‧‧ accommodating space

400‧‧‧Belt

S1, S2‧‧‧ vertical center axis

θ 1‧‧‧ first angle

θ 2‧‧‧second angle

D‧‧‧distance

W‧‧‧windshield

S‧‧‧virtual image

B‧‧‧External background

A‧‧‧ pivot

500‧‧‧Wireless Presenter

600‧‧‧ Stud

1 is a schematic structural diagram of a reflective magnified virtual image display module according to an embodiment of the present invention; and FIG. 2 is a schematic structural view of a reflective magnified virtual image display module according to another embodiment of the present invention; FIG. 3A is a schematic view showing the eye box (Eye Box) in a circular form; FIG. 3B is a schematic view showing the eye box (Eye Box) in a rectangular shape according to an embodiment of the present invention; FIG. The first application example of the reflective magnified virtual image display module of the present invention is shown; FIG. 5 is a schematic view showing the second application example of the reflective magnified virtual image display module of the present invention; A schematic diagram of a third application example of a novel reflective magnified virtual image display module; FIG. 7 is a schematic view showing a fourth application example of the reflective magnified virtual image display module of the present invention; and FIG. 8 is a schematic view showing the novel reflective type A schematic diagram of a fifth application example of the magnified virtual image display module; FIG. 9 is a diagram showing a field curve and a distortion curve of the reflective magnified virtual image display module in FIG. 1 and FIG. 2; and FIG. In the 1 and 2 figures, the reflection-magnification virtual image display module has a SEIDEL DIAGRAM.

Hereinafter, a plurality of embodiments of the present invention will be described with reference to the drawings. For the sake of clarity, many practical details will be explained in the following description. However, it should be understood that these practical details are not intended to limit the novel. That is to say, in some embodiments of the present invention, these practical details are unnecessary. of. In addition, some of the conventional structures and elements are shown in the drawings in a simplified schematic manner in order to simplify the drawings.

The reflective magnified virtual image display module of the present invention can modulate the relative position, relative distance, relative deflection angle and optical parameters of the image source 101, the semi-reflecting unit 102, various optical elements and the virtual image S according to actual conditions. Configuration, access to a variety of application types. In the following paragraphs, embodiments of various reflective magnified virtual image display modules 100 will be described.

Please refer to both Figure 1 and Figure 2. FIG. 1 is a schematic diagram showing the architecture of a reflective magnified virtual image display module 100 according to an embodiment of the present invention. FIG. 2 is a schematic diagram showing the architecture of a reflective magnified virtual image display module 100 according to another embodiment of the present invention. The reflective magnified virtual image display module 100 basically includes an image source 101 and a half reflection unit 102. The image source 101 is used to project a projected image. In the embodiment described below, the image source 101 is a projected image projected from a screen of a smart phone. In other possible embodiments, the image source 101 may also be from a liquid crystal display (LCD), a digital light processing projector (DLP), a germanium-based liquid crystal projector (LCOS), an organic display (OLED), and a satellite navigation system (GPS). Projected image from a tablet or camera.

The semi-reflective unit 102 includes a first surface 102a and a second surface 102b. The first surface 102a is concave and may be a spherical surface, an aspherical surface or a free curved surface for receiving and reflecting the projected image projected by the image source 101 to a user's eyes. At this time, the user can see the same message content as the projected image and have a virtual image S of the enlarged size on the same side as the second surface 102b of the semi-reflecting unit 102. Here, the magnification of the modulated virtual image S can be obtained by the effective focal length (EFL) of the first surface 102a of the modulated semi-reflective unit 102. Effective focal length is greater than or equal to 10 Mm, less than or equal to 1000mm. When the effective focal length is smaller, a virtual image S with a larger magnification can be obtained, and the user's binocular angle of view is larger at this time. In FIG. 1 , the reflectivity of the first surface 102 a of the semi-reflecting unit 102 is 50% to 80%, that is, the user can penetrate the semi-reflecting unit 102 to see the virtual image S presented in front of the eyes of the user, and At the same time, the external background B can be seen.

The projected image of the image source 101 can be a two-dimensional image or an auto-stereoscopic three-dimensional image. When the projected image of the image source 101 is a two-dimensional image, the two-dimensional virtual image S can be seen by the user's eyes. When the projected image of the image source 101 is a three-dimensional image, the virtual image S of the stereoscopic three-dimensional image can be seen by the user's eyes. Thereby, the effect of the naked eye 3D can be formed.

The image source 101 and the semi-reflecting unit 102 may relatively form an offset or an angle change according to actual application conditions. In Fig. 1, the vertical central axis S1 of the image source is parallel to and perpendicular to the vertical central axis S2 of the semi-reflecting unit 102, and the image source forms a second angle θ2 with respect to a horizontal plane. In Fig. 2, in addition to the formation of the second included angle θ2 in Fig. 1, the vertical central axis S2 of the semi-reflecting unit 102 forms a first included angle θ1 with respect to the vertical central axis S1 of the image source 101. The first included angle θ1, the second included angle θ2, and the distance d satisfy the following relationship: 0 deg ≦ θ1 ≦ 80 deg; 0 deg ≦ θ 2 ≦ 45 deg; and 0 mm ≦ d ≦ 250 mm. The first angle θ1, the second angle θ2, and the distance d are modulated to change the optical path difference, thereby affecting the aberration (Aberration) and modulating the MTF (Modulation Transformation Function) value. This MTF value will affect the imaging resolution. Another way to reduce the aberration is to use an auxiliary optical device, which is disposed between the image source 101 and the semi-reflecting unit 102, and can also be used to reduce the aberration of the virtual image S. The auxiliary optics can be a mirror, a lens group, a prism, A micro lens array, a diffuser, a (holographic optical element (HOE), an aspheric element, or a free-form surface element.

Please continue to refer to Figures 3A and 3B. FIG. 3A is a schematic view showing the eye box (Eye Box) in a circular shape according to an embodiment of the present invention. FIG. 2B is a schematic view showing the eye box (Eye Box) in a rectangular shape according to an embodiment of the present invention. Since the virtual image display device 100 not only presents an enlarged image, but also the imaging position is to be able to be comfortably viewed by the human eye, and does not cause distortion or distortion of the image when the human eye rotates. When the aperture of the amplifying element is too small to obtain a full field of view (FOV, Field Of View), the image will be cut off or fainted. Eye Box refers to the extent to which the eyeball can move without affecting the image quality. Only a large enough eye box can see the complete virtual image S. In this embodiment, a single semi-reflecting unit 102 is used to match the eyes of the user. In order to view the complete virtual image S, the eye box corresponding to the user's eyes can be defined as a circle or a rectangle. The eye box (Eye Box) is round, and its diameter is 60 mm or more; if the Eye Box is rectangular, its length is 60 mm or more and the height is 6 mm or more.

In this embodiment, the virtual image S and the external background B appearing in front of the eyes of the user are simultaneously visible. In the first figure, a transparent display panel 104 is mounted on the second surface 102b side of the semi-reflecting unit 102. The transparent display panel 104 may be planar or curved, and includes liquid crystal molecules that can change the light intensity of the external background B by rotating the liquid crystal molecules to switch the light transmittance ratio. When the liquid crystal molecules are switched to the off state, the light of the external background B is not passed, and the external background B is not visible at this time, thereby avoiding that the definition of the virtual image S is affected by the excessive brightness of the external background B. Of course, it is also possible to modulate the switching off of the liquid crystal molecules. The ratio of the on state is such that the external background B has different light intensity ratios according to different usage conditions. The transparent display panel 104 can be separated from the second surface 102b of the semi-reflective unit 102 by a distance, or directly attached to the second surface 102b of the semi-reflective unit 102, and can be applied according to actual conditions. In addition, the second surface 102b of the semi-reflective unit 102 can be plated with an anti-reflection film, which can reduce the generation of the image and make the virtual image S clearer. The above-described adjustment light intensity effect can also be obtained by mounting a polarizer or an electrochromic device on the second surface 102b side of the semi-reflecting unit 102.

Since the reflective magnified virtual image display module 100 in the first and second figures has a simple structure, it can be highly integrated into a head-mounted display device (HMD), a head-up display (HUD), or the like as a main optical element. For example, it can be installed in a helmet or installed in a car dashboard as a source of display image information. In addition, the projected image projected by the image source 101 can be enlarged by the semi-reflecting unit 102 to form an enlarged virtual image S visible to the user's eyes. This architecture has a wide range of applications. It can be applied to, for example, a desktop computer screen, an embedded screen, a television screen, or a movie screen. Since it is presented as a dangling virtual image S, and the size can be arbitrarily adjusted, it can replace the current use of a fixed screen, and has application flexibility.

In addition, the reflective magnified virtual image display module 100 in the first and second figures can provide a stereoscopic three-dimensional image by changing the number of the image source 101 and the semi-reflecting unit 102 in addition to the two-dimensional image (for example, Form a virtual reality or augment the reality). Moreover, the relative position, relative distance, and optical parameter optimization configuration between the image source 101, the semi-reflecting unit 102, the mirror 103, and the virtual image S are more tunable so that they can be applied to the near-end display device (HUD, HMD). Or remote display device (projection screen), etc. For example, the semi-reflective unit 102 The effective focal length EFL of the first surface 102a may be greater than or equal to 10 mm and less than or equal to 1000 mm; the distance between the user's eyes and the virtual image S is 250 mm to infinity; the distance between the first surface 102a of the semi-reflecting unit 102 and the user's eyes is 10~ 1500mm.

The application mode of the reflective magnified virtual image display module 100 of the present invention will be described below with reference to a number of application examples.

Please refer to Figure 4, Figure 5 and Figure 6 together. FIG. 4 is a schematic view showing a first application example of the reflective magnified virtual image display module 100 of the present invention; FIG. 5 is a schematic view showing a second application example of the reflective magnified virtual image display module 100 of the present invention; The figure shows a third application example of the reflective magnified virtual image display module 100 of the present invention.

In Fig. 4, the novel reflective magnified image display module 109 is used to generate the floating virtual image S in front of the user's eyes, and since the semi-reflecting unit 102 can be seen through, the user can grasp the surrounding environmental conditions at any time, so Under security, it forms a complex interaction with the external environment, such as virtual reality or augmented reality. As shown in FIG. 4, the image source 101 and the semi-reflective unit 102 are mounted on a headgear device 200. The image source 101 has a camera 101a. At the same time, the headgear 200 is equipped with a reflector 103. The reflector 103 is used to reflect the external background B as shown in FIG. 1 to the camera 101a to capture the external background B using the camera 101a. The reflector 103 can use a mirror or a prism.

With the above arrangement, as in the previous embodiment, the user can see the virtual image S formed by the projected image of the image source 101 (please refer to FIG. 1). At the same time, the image source 101 captures an image of the external background B through the camera 101a. And the image source 101 is loaded with an application (App) to the external background B and the image source. The projected image of 101 is processed to locate a virtual object on the application and interact with the external background B.

If you want to manipulate virtual objects in order to achieve interactive effects like virtual reality or augmented reality. The image source 101 can be externally manipulated by the wireless briefer 500 as shown in FIG. In a possible embodiment, the image source 101 can also be connected to a wireless mouse, a wireless keyboard, a wireless touch panel or a gesture sensor for manipulating the virtual object. In addition, based on the power supply requirement of the image source 101, an accommodation space 300 can be disposed on the headset 200 to assemble the mobile power source. In addition to securing the headgear 200, a strap 400 can also be provided.

In Figures 5 and 6, various possible embodiments of the headgear 200 are illustrated, respectively. The headgear 200 in Fig. 5 is shaped like a helmet, and the headgear 200 in Fig. 6 is in the form of a helmet. Therefore, the reflective magnified virtual image display module 100 of the present invention can be applied to various types of head-mounted devices 200, such as a sun hat, a helmet, etc., and has wide applicability. In the sixth figure, the reflective magnified virtual image display module 100 can be attached to the headgear device 200 by the stud 600, thereby improving the convenience of common use. In addition, the aforementioned semi-reflecting unit 102 can be directly formed into the goggles of the headwear 200.

Please continue to refer to Figure 7 and Figure 8. FIG. 7 is a schematic view showing a fourth application example of the reflective magnified virtual image display module 100 of the present invention; and FIG. 8 is a schematic view showing a fifth application example of the reflective magnified virtual image display module 100 of the present invention.

In FIG. 7 , the reflective magnified virtual image display module 100 is disposed at a position above the windshield W of the vehicle; and in FIG. 8 , the reflective magnified virtual image display module 100 is disposed at a position below the windshield W of the vehicle. . Image source 101 The projected image is reflected by the semi-reflecting unit 102 to a user's eyes; at this time, the user can see the virtual image S in front of the windshield W through the windshield W. Since the windshield W is transparent, it is suitable for use as a head-up display (HUD). At the same time, as described in the previous embodiment, the external image B of the front of the vehicle is reflected to the image source 101 for shooting through the reflection member 103 in combination with the image capturing function of the image source 101, and the image source 101 is loaded with an application (App). The arithmetic processing of the external background B and the projected image of the image source 101 is performed. In this way, more diverse and complex dynamic message presentations can be obtained, which can improve the safety of driving.

In the foregoing embodiment, a single image source 101 is used, and a single half-reflection unit 102 is simultaneously imaged to the user's eyes to form a two-dimensional or three-dimensional three-dimensional image. In other possible embodiments, the reflective magnified virtual image display module 100 can include two image sources 101 and two semi-reflecting units 102. The two image sources 101 are used to project a projected image separately. The two half reflection units 102 each include a first surface 102a and a second surface 102b. Each of the first surfaces 102a is configured to receive and reflect a projected image projected by each of the image sources 101 to a single eye of the user. After the single eye of the user receives the projected image reflected by each of the first surfaces 102a of each of the semi-reflecting units 102, the projected image information projected by each image source 101 is combined on the same side of each second surface 102b. , with a magnified size and a stereoscopic three-dimensional virtual image S. The virtual image S can also be presented through virtual reality or augmented reality as described above, and can interact with the external background B.

In an example, as shown in FIG. 4, the reflective member 130 and the semi-reflective unit 102 of the reflective magnified virtual image display module 100 can be rotated and received by a pivot A, such as the semi-reflecting unit 102. It can be folded inside and outside to 90deg, and the reflector can be folded up and down. The embodiments in Figures 5 to 8 can be Compare it.

In addition, in FIG. 8, the semi-reflecting unit 102 can be connected to a telescopic bracket. When not in use, the storage can be bent to form a reflective magnified virtual image display module 100 that does not occupy space, is portable and modular.

In addition, in the new embodiment, the projected image of the image source 101 can be reversed left and right in advance, and the user can directly view the virtual image S with the correct direction.

Please continue to refer to Figure 9. FIG. 9 is a diagram showing a field curve and a distortion curve of the reflective magnified virtual image display module 100 in FIGS. 1 and 2. It can be seen from FIG. 9 that the distortion of the reflective magnified virtual image display module 100 of the present invention can be less than +2%, and the general optical distortion specification is within plus or minus 3%. Therefore, under the optimized optical parameter configuration, the distortion of the general specification can be obtained, so that the image is not deformed and a clear image can be obtained.

Please continue to refer to Figure 10. FIG. 10 is a diagram showing the SEIDEL DIAGRAM of the reflective magnified virtual image display module 100 in FIGS. 1 and 2. This figure shows the measurement results at a wavelength of 517 nm and a maximum aberration ruler of 0.01 mm. It can be seen from Fig. 10 that the reflective magnified virtual image display module 100 of the present invention has good optical performance, and the spherical aberration, coma aberration, axial chromatic aberration and lateral chromatic aberration are relatively low. Furthermore, from Fig. 10, it is known that the distortion (i.e., distortion) value is relatively larger than the astigmatism and field curvature values. However, from Fig. 9, the distortion is still within the specification, and the reflective magnified virtual image display module 100 of the present invention still exhibits good optical performance.

In summary, the reflective magnified virtual image display module 100 of the present invention has a simple structure and can be easily integrated with other devices according to actual use conditions. Moreover, through the optimization of optical parameters, the imaging resolution can be formed well, and To the virtual image S of the distortion. The reflective magnified virtual image display module 100 of the present invention can be used to form a virtual image S in two or three dimensions, which has wide applicability.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and the scope of the present invention is defined by the scope of the appended claims.

100‧‧‧Reflective magnifying image display module

101‧‧‧Image source

102‧‧‧Semi-reflective unit

102a‧‧‧ first surface

102b‧‧‧second surface

104‧‧‧Transparent display panel

S‧‧‧virtual image

B‧‧‧External background

S1, S2‧‧‧ vertical center axis

D‧‧‧distance

θ 2‧‧‧second angle

Claims (15)

A reflective magnified virtual image display module, comprising: an image source for providing a projected image, wherein the projected image is a two-dimensional image or a stereoscopic three-dimensional image; and a semi-reflecting unit comprising a first a surface and a second surface, the first surface for receiving and reflecting the projected image projected by the image source to a user's eyes, the user's eyes seeing the first surface, and the second surface The same side sees the same message content as the projected image, enlarges the size and is a two-dimensional or three-dimensional one-dimensional virtual image and an external background; wherein one of the image source has a vertical central axis spaced from a vertical central axis of the semi-reflective unit a distance d, the vertical central axis of the semi-reflective unit forms a first angle θ1 with respect to the vertical central axis of the image source, and the image source forms a second angle θ 2 with respect to a horizontal plane, which satisfies the following relationship: 0deg≦ θ 1≦80deg; 0deg≦ θ 2≦45deg; and 0mm≦d≦250mm; wherein the first surface of the semi-reflective unit is a concave surface and is a spherical surface, an aspheric surface or a free curved surface , the effective focal length (EFL) is greater than or equal to 10mn, less than or equal to 1000mm, thereby modulating the magnification of the virtual image; wherein the distance between the single eye of the user and the virtual image is greater than or equal to 250mm; wherein the semi-reflective unit The distance between the first surface and the eyes of the user is 10 to 1500 mm. Reflex amplification as described in item 1 of the patent application scope The display module, wherein the user's eyes define an Eye Box corresponding to the semi-reflective unit, the eye box is circular or rectangular, and if the Eye Box is circular, the diameter is larger than It is equal to 60mm; if the Eye Box is rectangular, its length is 60mm or more and the height is 6mm or more. The reflective magnified virtual image display module of claim 1, wherein the image source comprises a camera, the image source and the semi-reflective unit are mounted on a wearing device, and the wearing device is equipped with a reflection The reflector is configured to reflect the external background to the camera so that the camera captures the external background, and the reflector is a mirror or a prism. The reflective magnified virtual image display module of claim 3, wherein the image source receives the external background through the camera, and the image source is loaded with an application (App) to perform the external background and the projected image. An arithmetic process for locating a virtual object on the application (App) and causing the virtual object to interact with the external background. The reflective magnified virtual image display module of claim 4, wherein the image source is externally connected to a wireless mouse, a wireless keyboard, a wireless touch panel, a wireless briefing device or a gesture sensor. Manipulate the virtual object. The reflective magnified virtual image display module of claim 1, wherein the second surface of the semi-reflective unit is mounted on the same side A transparent display panel, two polarizers or an electrochromic device for controlling the light intensity of the external background incident on one of the eyes of the user. The reflective magnified virtual image display module of claim 1, wherein the second surface of the semi-reflective unit is coated with an anti-reflection film. The reflective magnified virtual image display module of claim 1, wherein the image source is a liquid crystal display panel (LCD), a digital light processing projector (DLP), and a germanium-based liquid crystal projector (LCOS). An organic display (OLED), a satellite navigation system (GPS), a tablet, a smart phone or a camera. A reflective magnified image display module includes: two image sources for projecting a projected image; and a second semi-reflecting unit, each of the semi-reflecting units including a first surface and a second surface, each of the a surface for receiving and reflecting the projected image projected by each of the image sources to a single eye of a user, wherein the two eyes of the user respectively receive the projected image reflected by each of the semi-reflecting units, and then see through the respective images. a first surface, and a combination of the projected images projected by each of the image sources on the same side of each of the second surfaces, having an enlarged size and a stereoscopic three-dimensional virtual image and an external background; wherein the image source A vertical central axis is spaced apart from a vertical central axis of the semi-reflective unit by a distance d, and the vertical central axis of the semi-reflective unit forms a first angle θ1 with respect to the vertical central axis of the image source, and the image source is opposite to the image source The horizontal plane forms a second angle θ 2 which satisfies the following relationship: 0 deg θ θ 1 ≦ 80 deg; 0 deg ≦ θ 2 ≦ 45 deg; and 0 mm ≦ d ≦ 250 mm; wherein any one of the users corresponds to each of the semi-reflective sheets The diameter of the exit pupil is greater than or equal to 2 mm; wherein the first surface of each of the semi-reflective elements is a concave surface and is a spherical surface, an aspheric surface or a free curved surface, and an effective focal length (EFL) is greater than or equal to 10 mm and less than or equal to 1000 mm. The magnification of the virtual image is modulated by the user; wherein the distance between the single eye of the user and the virtual image is greater than or equal to 250 mm; wherein the distance between the first surface of each of the semi-reflecting units and the single eye of the user It is 10~1500mm. The reflective magnified image display module of claim 9, wherein a transparent display panel, a polarizer or an electrochromic device is mounted on the same side of the second surface of each of the semi-reflective units. It is used to control the light intensity of one of the single eyes incident on the external background to the user. The reflective magnified virtual image display module of claim 9, wherein the second surface of each of the semi-reflective elements is plated with an anti-reflection film. The reflective magnified virtual image display module of claim 9, wherein at least one of the image sources comprises a camera, each of the images The source and each of the semi-reflective units are mounted on a wearing device, and the wearing device is equipped with at least one reflecting member for reflecting the external background to the camera for the camera to photograph the external background, the reflecting member It is a mirror or a prism. The reflective magnified virtual image display module of claim 12, wherein each of the image sources receives the external background through each of the cameras, and each of the image sources is loaded with an application (App) for the external background and each The projected image performs an arithmetic process to locate a virtual object on each application (App), and the virtual image combined by the virtual object interacts with the external background. The reflective magnified virtual image display module of claim 13, wherein each of the image sources is connected to a wireless mouse, a wireless keyboard, a wireless touch panel, a wireless briefing device or a gesture sensor. To manipulate the virtual object. The reflective magnified virtual image display module according to claim 9, wherein the image source is a liquid crystal display panel (LCD), a digital light processing projector (DLP), and a germanium liquid crystal projector (LCOS). An organic display (OLED), a satellite navigation system (GPS), a tablet, a smart phone or a camera.