TWI824913B - Three-dimensional projection display system - Google Patents

Abstract

A three-dimensional projection display system for displaying a three-dimensional image includes a refraction lens module, a projection module, an intensification lens, and an intensification display module. The refraction lens module is arranged in an annular shape and defines an inner area and an outer area. The projection module is disposed in the outer area and has a plurality of image light sources. Each image light source projects a segmented image at a different angle, and the segmented image is refracted through the refraction lens module, thereby focusing the images in the inner area to form a three-dimensional image. The intensification lens is disposed in the inner area and provides an intensified image, which is projected to be combined with the three-dimensional image through the intensification lens. Thus, the present invention achieves greater entertainment effect and creates a sense of reality of the three-dimensional image.

Description

Stereoscopic projection display system

The present application relates to a display system, in particular to a stereoscopic projection display system.

With the development of today's technology and changes in people's living habits, cars are no longer just a means of transportation. The film and television equipment installed in the car has been greatly improved in terms of image quality, color saturation and size. With the evolution of autonomous driving technology, it is conceivable that in future cars, everyone will be able to have a better audio-visual entertainment experience during traffic.

However, the resolution, contrast, color gamut and size of current in-vehicle video equipment are all very good. However, their application is still limited to two-dimensional planes, and it is difficult for two-dimensional planes to match the reality of three-dimensional planes. , there is still a certain gap in entertainment between the two. Therefore, how to present audio-visual entertainment information in a highly realistic three-dimensional manner to improve the quality of entertainment is actually a major issue for future development.

The main purpose of this application is to improve the problem of inability of two-dimensional display devices to provide better entertainment and the lack of realism of current three-dimensional images.

The aforementioned purposes do not prevent the existence of other purposes. If the technical field has ordinary Purposes that a knowledgeable person can deduce from the description, patent scope, drawings, etc. are also included in the purpose of this application. Therefore, the purpose of this application is not limited to the foregoing enumerated purposes.

To achieve the above objectives, the present application provides a stereoscopic projection display system for displaying a stereoscopic image. The stereoscopic projection display system includes a refractive lens module, a projection module, an enhancement lens and an enhancement display module. The refractive lens module is arranged in a ring shape and has an inner area and an outer area. The inner area is the area where the three-dimensional image is to be displayed surrounded by the refractive lens module. The outer area is the area outside the inner area. The aforementioned projection module is arranged in the outer area and has a plurality of image light sources. Each image light source is used to project a divided image at different angles. The plurality of image light sources are arranged in a ring corresponding to the refractive lens module and pass through the refractive lens module. The group performs image refraction on each segmented image and focuses it on the inner area to form a three-dimensional image. Among them, the enhancement lens is arranged in the inner area and is an imaging distance away from the stereoscopic image, and the enhancement display module is arranged on the side of the enhancement lens away from the stereoscopic image. The enhancement display module provides an enhancement image and is projected at the position of the stereoscopic image through the enhancement lens. , the enhanced image is combined with the stereoscopic image at the same time.

In this way, the present application uses a projection module to project segmented images at different angles with a plurality of image light sources, and the plurality of image light sources are arranged in a ring with corresponding refractive lens modules, and the refractive lens module refracts each segmented image on the inside. Area focusing forms a three-dimensional image. Furthermore, the presentation of the three-dimensional image is enhanced through enhanced lenses and enhanced display modules, which can achieve better entertainment and the effect of film and television reality brought by the three-dimensional image.

100:Display system

1: Stereoscopic image

10:Refractive lens module

11:Inner area

12: Outside area

13:Anti-reflective layer

14:Hydrophobic layer

20:Projection module

30: Enhanced lens

40: Enhanced display module

50: Accommodation shell

51: Chengying platform

511: Imaging opening

512:Imaging opening

52: Accommodation space

60:Driving mechanism

70: Rotating device

80:Water mist forming device

90:Water mist recovery device

Figure 1 is a schematic structural perspective view of a preferred embodiment of the present application.

Figure 2 is a schematic structural cross-sectional view of a preferred embodiment of the present application.

Figure 3 is a schematic diagram of the structure and operation of a preferred embodiment of the present application.

Figure 4 is a schematic structural implementation diagram of another preferred embodiment of the present application.

Figure 5 is a schematic structural top view of a preferred embodiment of the present application.

In order to facilitate the explanation of the central idea of the present application expressed in the above column of the summary of the invention, specific embodiments are hereby expressed. Various objects in the embodiments are drawn according to proportions, sizes, deformations or displacements suitable for illustration, rather than according to the proportions of actual components, and are explained first.

Exemplary embodiments of the present application are described in detail below with reference to the accompanying drawings. It is not intended to limit the technical principles of the present application to the specific disclosed embodiments, but the scope of the present application is limited only by the patent scope of the application, covering substitutions, modifications and equivalent.

Referring to FIGS. 1 to 5 , the present application provides a stereoscopic projection display system 100 for displaying a stereoscopic image 1 . The stereoscopic projection display system 100 includes a refractive lens module 10 , a projection module 20 , and an enhancement lens 30 and an enhanced display module 40. The refractive lens module 10 is arranged in an annular shape and has an inner area 11 and an outer area 12. The inner area 11 is the area where the three-dimensional image 1 is to be displayed surrounded by the refractive lens module 10. The outer area 12 is the inner area 11. In other areas, in a preferred embodiment of the present application, the refractive lens module 10 may be composed of optical lenses or optical elements such as lenses. The present application does not limit the components of the refractive lens module 10 .

Please refer to Figure 2. The aforementioned projection module 20 is disposed in the outer area 12 and has a plurality of image light sources. Each of the image light sources is used to project a divided image at different angles (as shown in Figure 2, the projection module 20 The direction of the arrow above is the direction in which the divided image light beam travels). The plurality of image light sources are arranged in a ring corresponding to the refractive lens module 10, and each divided image is refracted through the refractive lens module 10. It is emitted and focused on the inner area 11 to form a three-dimensional image 1. It should be emphasized that the drawings in this application are only schematic diagrams and not the actual arrangement of the projection module 20 , and the number of the projection modules 20 is not limited in this application.

The enhancement lens 30 is disposed in the inner area 11 and is away from the stereoscopic image 1 by an imaging distance. In this embodiment, the aforementioned imaging distance is twice the focal length of the enhancement lens 30 , and the enhancement display module 40 is disposed at an distance away from the enhancement lens 30 from the stereoscopic image 1 On one side, the enhanced display module 40 provides an enhanced image (as shown in Figure 2, the direction of the arrow above the enhanced lens 30 is the direction of the enhanced image beam) and is projected at the position of the stereoscopic image 1 through the enhanced lens 30, thereby enhancing the image. Can be combined with stereoscopic image 1 at the same time. Thus, with the combination of the refraction of the enhancement lens 30 and the enhanced image provided by the enhanced display module 40 , the display system 100 can still clearly display the three-dimensional image 1 in an environment with strong external light or low air dust concentration.

In a preferred embodiment of the present application, a housing 50 is further included, which can be located between the driver's seat and the passenger seat in the car, that is, it can be located at the armrest in the car. (not shown in the figure), and this application does not limit the location of the housing 50. In a preferred embodiment of the present application, the accommodation shell 50 has an imaging platform 51 and an accommodation space 52 formed in the accommodation shell 50 . The imaging platform 51 has an imaging platform 51 corresponding to the refractive lens module 10 An imaging opening 511 at a position and an imaging opening 512 corresponding to the position of the intensifying lens 30 module. Next, the accommodation space 52 accommodates the projection module 20 and the enhanced display module 40. Each of the divided images forms a three-dimensional image 1 through the imaging opening 511 and the refractive lens module 10. Similarly, the enhanced display module 40 and the enhanced display module 40 form a three-dimensional image 1 through the imaging opening 511 and the refractive lens module 10. Image opening 512 forms an enhanced image.

Please refer to Figure 3. In a preferred embodiment of the present application, a driving mechanism 60 is further included. The driving mechanism 60 is connected to the refractive lens module 10, and the driving mechanism 60 drives and displaces the refractive lens module 10 to cause refraction. The lens module 10 is aligned with the imaging platform 51 to accommodate the refractive lens module 10, thereby obtaining a flatter housing 50. That is to say, the display system 100 can be smaller in size without occupying the space in the car. In this application, the location and driving method of the driving mechanism 60 are not limited. Only the driving mechanism is required. The structure 60 can achieve the effect of the small size of the display system 100 after storage, which is within the scope of this application. Furthermore, the angle of the refractive lens module 10 can also be adjusted through the driving mechanism 60 to adjust the display height of the stereoscopic image 1 .

In a preferred embodiment of the present application, a rotating device 70 is further included. The rotating device 70 is disposed on the housing 50. However, the present application does not limit the rotation device 70 to be disposed at the position of the housing 50. It only needs to be rotated. The device 70 only needs to achieve the purpose of rotating and accommodating the housing 50 . In a preferred embodiment of the present application, the rotating device 70 is disposed at the bottom of the accommodating housing 50, whereby the rotating device 70 changes the viewing angle of the stereoscopic image 1 by rotating the accommodating housing 50, so that the rear seat of the car can Personnel can see three-dimensional images from different angles1.

Please refer to Figure 4. In a preferred embodiment of the present application, a water mist forming device 80 is further included. The water mist forming device 80 is disposed on the housing 50. This application is not limited to the water mist forming device. 80, as long as the water mist forming device 80 can form a water mist screen at a position corresponding to the three-dimensional image 1. The aforementioned water mist screen can increase the concentration of air particles in the inner area 11, and each plurality of segmented images are refracted and projected on the inner side. The water mist screen in area 11 makes the stereoscopic image 1 focused on the inner area 11 clearer. In a preferred embodiment of the present application, a water mist recovery device 90 is further included, which is disposed between the refractive lens module 10 and the enhanced lens 30. When the water vapor on the water mist screen falls due to gravity, the water mist is recovered. The device 90 recovers water vapor through air suction and diversion, and forms a water circulation with the water mist screen sprayed by the water mist forming device 80 . In addition, the water mist recovery device 90 further prevents the chance of water mist adhering to the refractive lens module 10 and affecting the imaging quality of the stereoscopic image 1 .

In a preferred embodiment of the present application, an anti-reflective layer 13 is formed on the side of the refractive lens module 10 adjacent to the outer area 12. The reflectivity of the anti-reflective layer 13 is less than 0.2%, which can reduce the reflection of multiple image light sources. This further increases the utilization rate of light from multiple image light sources penetrating the refractive lens module 10, and a hydrophobic layer 14 is formed on one side of the refractive lens module 10 adjacent to the inner region 11. The hydrophobic layer 14 can reduce There is less adhesion of water vapor. When the water vapor on the water mist screen drops to the refractive lens module 10 due to gravity, the hydrophobic layer 14 can make it easier for the water droplets dropped on the surface of the refractive lens module 10 to slide down, thereby obtaining a better The excellent hydrophobicity reduces the impact of water droplets on the refraction of the refractive lens module 10 .

Please refer to FIG. 5 . The refractive lens module 10 includes a plurality of segmented lenses corresponding to a plurality of image light sources. The plurality of segmented lenses are connected to each other at a connection angle and arranged in a ring. This application is not limited. The number of split lenses can be configured according to the actual situation of the display system 100 . In addition, in a preferred embodiment of the present application, the number of the plurality of divided lenses is four and each divided lens is planar. After the image light source is refracted by the plurality of divided lenses, divided images of four quadrants are refracted in the inner region 11 . In other preferred embodiments of the present application, the number of the aforementioned split lenses can also be 8 or 12, and so on. In this way, the split lenses can create more different viewing angles to obtain more different refraction angles. The divided image will not make the stereoscopic image 1 visually awkward due to insufficient connection angles when viewing it, allowing people in the back seat of the car to have a better visual effect.

Based on the above, this application can achieve the following effects:

1. Each segmented image is refracted by the refracting lens module 10 and focused in the inner area 11 to form a three-dimensional image 1, so that people in the back seat of the car can watch the three-dimensional image to achieve better entertainment and three-dimensional viewing. Image 1 creates a sense of realism.

2. Because this application is equipped with the enhanced lens 30 and the enhanced display module 40, even in places with strong external light interference, or even in environments with low air dust concentrations, the three-dimensional image 1 can still be formed by focusing on the inner area 11. Therefore, this application It can achieve good entertainment effects under different usage environments.

3. The water mist forming device 80 of the present application can form a water mist screen at the position of the three-dimensional image 1. This setting can increase the concentration of air particles in the inner area 11, allowing the segmented image to be projected on the water mist screen, and a clear image can be obtained. Three-dimensional image 1. The clear three-dimensional image 1 mentioned above can further increase entertainment. and the effect of realism.

4. The refractive lens module 10 is stored in the housing 50 through the driving mechanism 60, so that the display system 100 has a smaller volume, achieving the effect of easy storage and small volume of the display system 100 after storage.

5. The rotating device 70 changes the viewing angle of the three-dimensional image 1 by rotating the housing 50, so that people in the back seat of the car can see the three-dimensional image 1 from different angles. Compared with the two-dimensional display device, which only has a flat display function , this application can achieve better entertainment effects.

6. By arranging the accommodating housing 50 between the driver's seat and the passenger seat in the car, the viewing quality of the rear seat passengers can be improved, and there will be less interference from external light in this position, and the viewing quality can be improved. Make a more effective three-dimensional image 1 presentation that meets user needs.

The aforementioned effects do not prevent the existence of other effects. If a person with ordinary knowledge in the technical field can deduce the effect from the description, patent scope or drawings, etc., it is also included in the effect of this application. Therefore, the effects of this application are not limited to the effects listed above.

The above embodiments are only used to illustrate the present application and are not intended to limit the scope of the present application. All modifications or changes that do not violate the spirit of this application fall within the scope of this application.

100:Display system

1: Stereoscopic image

10:Refractive lens module

11:Inner area

12: Outside area

50: Accommodation shell

51: Chengying platform

70: Rotating device

Claims (11)

A three-dimensional projection display system used to display a three-dimensional image. The three-dimensional projection display system includes: a refractive lens module arranged in a ring, having an inner area and an outer area; a projection module arranged in the outer area, It has a plurality of image light sources, each of which is used to project a divided image at different angles. These image light sources are arranged in a ring corresponding to the refractive lens module, and each divided image is processed through the refractive lens module. The image is refracted and focused in the inner area to form the three-dimensional image; an enhancement lens is disposed in the inner area and is an imaging distance away from the three-dimensional image; an enhancement display module is disposed away from the enhancement lens away from the three-dimensional image One side provides an enhanced image and is projected at the position of the three-dimensional image through the enhanced lens and combined with the three-dimensional image; The accommodation space in the housing, the imaging platform has an imaging opening corresponding to the position of the refractive lens module and an imaging opening corresponding to the position of the intensifying lens module; and a driving mechanism connected to the refractive lens module , the driving mechanism is used to adjust the angle of the refractive lens module. The stereoscopic projection display system of claim 1, wherein the refractive lens module includes a plurality of split lenses corresponding to the image light sources, and the split lenses are connected to each other at a connection angle and arranged in a ring. . The stereoscopic projection display system of claim 2, wherein the number of the divided lenses is four, and each of the divided lenses is planar. The stereoscopic projection display system according to claim 1, wherein the refractive lens module is The side adjacent to the outer area has an anti-reflective layer, and the side of the refractive lens module adjacent to the inner area has a hydrophobic layer. The three-dimensional projection display system of claim 1 further includes a water mist forming device that forms a water mist screen at the position of the three-dimensional image. The stereoscopic projection display system as described in claim 5 further includes a water mist recovery device, which is disposed between the refractive lens module and the enhancement lens. When the water vapor on the water mist screen falls due to gravity, Water vapor is recovered through air suction and diversion. The stereoscopic projection display system as claimed in claim 1, wherein the imaging distance is twice the focal length of the enhancement lens. The stereoscopic projection display system according to claim 1, wherein the housing is located between the driver's seat and the passenger's seat in the car. The three-dimensional projection display system of claim 1, wherein the accommodating space houses the projection module, and each of the divided images forms the three-dimensional image through the imaging opening and the refractive lens module. The stereoscopic projection display system of claim 1, wherein the accommodating space accommodates the enhanced display module, and the enhanced image is formed by the enhanced display module and the imaging opening. The stereoscopic projection display system as claimed in claim 1 further includes a rotating device, the rotating device is arranged on the accommodating housing, and the viewing angle of the three-dimensional image is converted by rotating the accommodating housing.

Images