CN107390366B - Display system, display method and vehicle - Google Patents
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- CN107390366B CN107390366B CN201710762989.3A CN201710762989A CN107390366B CN 107390366 B CN107390366 B CN 107390366B CN 201710762989 A CN201710762989 A CN 201710762989A CN 107390366 B CN107390366 B CN 107390366B
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Abstract
The invention discloses a display system, a display method and a vehicle, wherein the display system comprises a display screen and a display device, and the display system also comprises: set up in light treatment device on the light path of display device's emergent light, light treatment device be used for with display device's emergent light falls into behind first emergent light and the second emergent light, will first emergent light transmit to on the display screen towards user's one side's the display surface, and will the second emergent light carries out the transmission of all the other color lights after the first color light filtering extremely on the display surface. According to the technical scheme provided by the invention, the emergent light of the display device is divided into the first emergent light and the second emergent light, the first emergent light is normally transmitted to the display screen, and the rest color light of the second emergent light after the first color light filtering is carried out is transmitted to the display screen.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display system, a display method and a vehicle.
Background
Head Up Display (HUD) is commonly used in vehicles, such as automotive vehicles. The HUD display system is a display device designed to present display information such as a running condition of a vehicle on a windshield of the vehicle and to transmit the display information to the eyes of a driver; that is, the HUD display system generates and displays images to allow the driver to see various types of information such as speed, fuel level, temperature, direction, and the like. The light that HUD display system sent can be including the blue light, and prior art does not improve to HUD display system to reducing the injury of blue light to human eye. It is known that, in the visible light, blue light is a high-energy short-wave light with extremely high energy, and the long-term exposure to blue light is easy to cause eye injury, especially to cause macula pathological changes. The blue light can penetrate through the crystalline lens to reach the retina, so that the retina is optically damaged, the oxidation of cells in the macular area is accelerated, a large number of free radicals are generated, and cataract and macular area degeneration are caused.
Disclosure of Invention
In view of this, the present invention provides a display system, a display method and a vehicle, wherein the emergent light of the display device is divided into a first emergent light and a second emergent light, the first emergent light is normally transmitted to the display screen, and the second emergent light is transmitted to the display screen after being filtered by the first color light, so that the proportion of the first color light is reduced and the harm of the first color light to users is reduced on the basis of ensuring the normal display of the display system.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a display system comprising a display screen and a display device, the display system further comprising:
set up in light processing apparatus on the light path of display device's emergent light, light processing apparatus be used for with display device's emergent light falls into behind first emergent light and the second emergent light, will first emergent light transmit to display screen is towards on the display surface of user one side, and will the second emergent light carries out all the other color light transmission after the first color light filtering extremely on the display surface.
Optionally, the first color light includes blue light, and the remaining color light includes red light and green light.
Optionally, the sum of the light intensity of the first emergent light and the light intensity of the second emergent light is the light intensity of the emergent light of the display device.
Optionally, the light intensity of the first outgoing light is the same as the light intensity of the second outgoing light.
Optionally, the light processing apparatus includes:
a beam splitter prism for splitting the outgoing light of the display device into the first outgoing light and the second outgoing light;
the filter film is arranged on the light path of the second emergent light and is used for filtering the first color light of the second emergent light and then emitting the rest color light;
and the light transmission structure is used for guiding the emergent light of the first emergent light and/or the filter film to be transmitted to the display screen.
Optionally, the display device is disposed on a side of the display screen away from the display surface;
wherein the optical transmission structure includes:
the first reflection substructure is arranged on a light path of the first emergent light and used for reflecting the first emergent light to the display screen;
and the second reflection substructure is arranged on a light path of emergent light of the filter film and is used for reflecting the emergent light of the filter film to the display screen.
Optionally, the display device is disposed on one side of the display surface of the display screen.
Optionally, the display screen is disposed on a light path of the first outgoing light, and the light transmission structure includes: and the third reflection substructure is arranged on a light path of emergent light of the filter film and is used for reflecting the emergent light of the filter film to the display screen.
Optionally, the display screen is disposed on a light path of the emergent light of the filter film, and the light transmission structure includes: and the fourth reflection substructure is arranged on a light path of the first emergent light and is used for reflecting the first emergent light to the display screen.
Optionally, the display screen is not disposed on the light path of the first emergent light and the emergent light of the filter film, and the light transmission structure includes: the first reflection sub-structure is used for reflecting the first emergent light to the display screen, and the second reflection sub-structure is used for reflecting the second emergent light to the display screen.
Optionally, the beam splitter prism includes:
the first right-angle prism and the second right-angle prism are arranged in a manner that the inclined planes are opposite;
and a half-transmitting and half-reflecting light film disposed between the first right-angle prism and the second right-angle prism.
Optionally, the display system further includes:
and the light processing device is arranged on the light path of the emergent light of the light gathering device.
Optionally, the display device is a liquid crystal display device or an organic electroluminescent display device.
Optionally, the display system is a HUD display system.
Correspondingly, the invention also provides a display method, which is applied to a display system, wherein the display system comprises a display screen and a display device, and the display method comprises the following steps:
powering on the display system, and enabling the display device to emit light;
and after the emergent light of the display device is divided into first emergent light and second emergent light, the first emergent light is transmitted to the display surface of one side of the display screen, which faces a user, and the second emergent light is transmitted to the display surface after being subjected to first color light filtering.
Correspondingly, the invention further provides a vehicle which comprises the display system.
Compared with the prior art, the technical scheme provided by the invention at least has the following advantages:
the invention provides a display system, a display method and a vehicle, wherein the display system comprises a display screen and a display device, and the display system further comprises: set up in light processing apparatus on the light path of display device's emergent light, light processing apparatus be used for with display device's emergent light falls into behind first emergent light and the second emergent light, will first emergent light transmit to display screen is towards on the display surface of user one side, and will the second emergent light carries out all the other color light transmission after the first color light filtering extremely on the display surface. As can be seen from the above, according to the technical scheme provided by the present invention, the emergent light of the display device is divided into the first emergent light and the second emergent light, the first emergent light is normally transmitted to the display screen, and the remaining color light obtained by filtering the second emergent light with the first color light is transmitted to the display screen.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a display system according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of another display system provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a light splitting prism according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of another display system provided in the embodiment of the present application;
fig. 5 is a schematic structural diagram of another display system provided in the embodiment of the present application;
fig. 6 is a schematic structural diagram of another display system provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of another display system according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background, HUD display systems generate and display images to allow the driver to see various types of information such as speed, fuel level, temperature, direction, etc. The light that HUD display system sent can be including the blue light, and prior art does not improve to HUD display system to reducing the injury of blue light to human eye. It is known that, in the visible light, blue light is a high-energy short-wave light with extremely high energy, and the long-term exposure to blue light is easy to cause eye injury, especially to cause macula pathological changes. The blue light can penetrate through the crystalline lens to reach the retina, so that the retina is optically damaged, the oxidation of cells in the macular area is accelerated, a large number of free radicals are generated, and cataract and macular area degeneration are caused.
Based on this, the embodiment of the application provides a display system, a display method and a vehicle, the emergent light of the display device is divided into a first emergent light and a second emergent light, the first emergent light is normally transmitted to the display screen, and the second emergent light is transmitted to the display screen after being filtered by the first color light, so that the proportion of the first color light is reduced on the basis of ensuring the normal display picture of the display system, and the condition that the first color light damages a user is reduced. In order to achieve the above object, the technical solutions provided by the embodiments of the present application are described in detail below, specifically with reference to fig. 1 to 7.
Referring to fig. 1, a schematic structural diagram of a display system provided in an embodiment of the present application is shown, where the display system includes a display screen 100 and a display device 200, and the display system further includes:
set up in light processing apparatus 300 on the light path of display device 200's emergent light, light processing apparatus 300 be used for with display device 200's emergent light divide into first emergent light and second emergent light after, will first emergent light transmit to display screen 100 is towards on the display surface of user 400 one side, and will the second emergent light carries out the transmission of all the other color lights after the first color light filtering extremely on the display surface.
In an embodiment of the present application, the emergent light of the display device provided by the present application includes three basic color lights of red light, blue light and green light. The first color light provided by the embodiment of the application comprises blue light, and the rest color light comprises red light and green light; under the condition that the display system normally displays the picture, the proportion of blue light is reduced, and then the condition that light transmitted to the eyes of a user by the display surface of the display screen is harmful to the eyes of the user can be improved. It should be noted that the first color light provided by the present application may be a single color light, or may be a plurality of colors light, and the present application is not particularly limited, and needs to be specifically designed according to actual needs.
And, in an embodiment of this application, the sum of the light intensity of the first emergent light and the light intensity of the second emergent light that this application provided is the light intensity of display device's emergent light, avoid follow-up after filtering first colour light, the loss appears in remaining colour light and makes the reduction of display image quality. Optionally, the light intensity of the first emergent light is the same as the light intensity of the second emergent light, so that the display quality of the display system is high.
It can be seen from the above contents that, in the technical scheme provided in the embodiment of the present application, the emergent light of the display device is divided into the first emergent light and the second emergent light, the first emergent light is normally transmitted to the display screen, and the second emergent light is transmitted to the display screen after being subjected to the first color light filtering, so that on the basis of ensuring the normal display of the display system, the proportion of the first color light is reduced, and the condition that the first color light damages a user is reduced.
In an embodiment of the application, when the emergent light of the display device is split, the emergent light can be split through the splitting prism, and then the second emergent light is filtered through the filter film. Referring specifically to fig. 2, a schematic structural diagram of another display system provided in the embodiment of the present application is shown, where the light processing apparatus includes:
a beam splitter prism 310, the beam splitter prism 310 being configured to split the outgoing light of the display device 200 into the first outgoing light and the second outgoing light;
the filter film 320 is arranged on the light path of the second emergent light, and the filter film 320 is used for filtering the first color light of the second emergent light and then emitting the rest color light;
and a light transmission structure 330 for guiding the first emergent light and/or the emergent light of the filter film 320 to be transmitted to the display screen 100.
The beam splitting prism that this application embodiment provided mainly used carries out beam splitting with display device's emergent light and handles, obtains first emergent light and second emergent light, and it is shown with reference to fig. 3, for the structure schematic diagram of the beam splitting prism that this application embodiment provided, wherein, the beam splitting prism 310 that this application embodiment provided includes:
a first right-angle prism 311 and a second right-angle prism 312 with opposite inclined surfaces;
and a half-transmissive and half-reflective film 313 provided between the first rectangular prism 311 and the second rectangular prism 312.
That is, the beam splitting prism provided by the embodiment of the present application is formed by gluing the inclined surfaces of a first right-angle prism and a second right-angle prism having the same size, and a semitransparent film is plated on the inclined surface of any one right-angle prism. Furthermore, the beam splitter prism splits the outgoing light beam of 100% into two first outgoing light beams of 50% and two second outgoing light beams of 50% when receiving the outgoing light beam emitted by the display device, that is, one outgoing light beam is transmitted through the transflective film, and one outgoing light beam is reflected through the transflective film. The optical paths of the first emergent light and the second emergent light in the light splitting prism are the same, and the light intensity of the first emergent light and the light intensity of the second emergent light are the same.
After the emergent light of the display device is subjected to light splitting treatment through the light splitting prism, the second emergent light needs to be subjected to light filtering treatment, and after the second emergent light is subjected to light filtering through the light filtering film, the rest color light is emitted; for example, the red and green lights are emitted after filtering out the blue light among the red, green, and blue lights. The filter film can be a color separation prism, wherein a blue-reflecting red-green-transmitting filter medium film is arranged on the surface of the prism to form the filter film, and the filter film reflects blue light and then emits red light and green light.
In order to achieve the purpose of guiding and transmitting the first emergent light and the second emergent light to the display surface of the display screen, the light transmission structure provided by the embodiment of the application needs to be designed in specific positions according to the positions of the display device and the display screen. The following detailed description of several specific display systems provided in the practice of the present application is made with reference to the accompanying drawings.
In an embodiment of the present application, the display device may be disposed on a side of the display screen departing from the display surface thereof. Referring to fig. 4, a schematic structural diagram of another display system provided in the embodiment of the present application is shown, wherein the display device 200 is disposed on a side of the display screen 100 facing away from the display surface;
wherein the optical transmission structure 330 includes:
the first reflecting sub-structure 331 is disposed on an optical path of the first outgoing light, and the first reflecting sub-structure 331 is configured to reflect the first outgoing light to the display screen 100;
and a second reflection sub-structure 332 disposed on a light path of the emergent light of the filter 320, wherein the second reflection sub-structure 332 is configured to reflect the emergent light of the filter 320 to the display screen 100.
In an embodiment of the present application, the display device provided in the present application may be further disposed on one side of the display surface of the display screen.
When the display device is located on one side of the display surface, the first emergent light can be directly incident on the display screen. Referring to fig. 5, a schematic structural diagram of another display system provided in the embodiment of the present application is shown, wherein the display screen 100 is disposed on the optical path of the first outgoing light, and the light transmission structure 330 includes:
and a third reflector substructure 333 disposed on the optical path of the emergent light of the filter 320, where the third reflector substructure 333 is configured to reflect the emergent light of the filter 320 to the display screen 100.
In addition, when the display device is positioned on the display surface side, the second emergent light after the filtering treatment can be directly incident on the display screen. Referring to fig. 6, which is a schematic structural diagram of another display system provided in the embodiment of the present application, wherein the display screen 100 is disposed on a light path of emergent light of the filter film 320, and the light transmission structure 330 includes:
and a fourth reflection sub-structure 334 arranged on the optical path of the first outgoing light, wherein the fourth reflection sub-structure 334 is used for reflecting the first outgoing light to the display screen 100.
In addition, when the display device is located on one side of the display surface, the first emergent light and the second emergent light after the filtering processing are not directly incident on the display screen, but are incident on the display screen after being guided by the light transmission structure. Referring to fig. 7, a schematic structural diagram of another display system provided in the embodiment of the present application is shown, wherein the display screen 100 is not disposed on the optical path of the first emergent light and the emergent light of the filter film 320, and the light transmission structure 330 includes:
set up in fifth reflection substructure 335 on the light path of first emergent light, and set up in sixth reflection substructure 336 on the light path of the emergent light of filter coating 320, fifth reflection substructure 335 is used for with first emergent light reflects extremely on display screen 100, sixth reflection substructure 336 is used for with the emergent light of filter coating 320 reflects extremely on display screen 100.
It should be noted that the first reflection substructure, the second reflection substructure, the third reflection substructure, the fourth reflection substructure and the fifth reflection substructure provided in the embodiment of the present application may all be formed by reflection structures such as at least one mirror, and the number and placement positions of the mirrors are not specifically limited in the present application, and only the requirement of reflecting the emergent light onto the display screen is satisfied. In the drawings provided by the embodiments of the present application, the arrow between the display screen and the eyes of the user indicates that the display image of the display screen can be incident on the eyes of the user, and the user can observe the display image at any angle.
In addition, the angle of the emergent light of the display device, the angle of the incident light and the angle of the emergent light of the light processing device, the angle of the incident light of the display screen and the like are not specifically limited, and the angle needs to be specifically designed according to practical application.
Further, in order to improve the display effect of the display system, the display system provided in the embodiment of the present application further includes:
and the light processing device is arranged on the light path of the emergent light of the light gathering device.
In any of the above embodiments of the present application, the display device provided by the present application is a liquid crystal display device or an organic electroluminescent display device; in other embodiments of the present application, the display device provided by the present application may also be other types of display devices.
And, in any of the above embodiments of the present application, the display system provided by the present application may be a HUD display system.
Correspondingly, the embodiment of the application further provides a display method, which is applied to a display system, wherein the display system comprises a display screen and a display device, and the display method comprises the following steps:
powering on the display system, and enabling the display device to emit light;
and after the emergent light of the display device is divided into first emergent light and second emergent light, the first emergent light is transmitted to the display surface of one side of the display screen, which faces a user, and the second emergent light is transmitted to the display surface after being subjected to first color light filtering.
Correspondingly, the embodiment of the application also provides a vehicle, and the vehicle comprises the display system provided by any one of the embodiments.
The embodiment of the application provides a display system, a display method and a vehicle, wherein the display system comprises a display screen and a display device, and the display system further comprises: set up in light processing apparatus on the light path of display device's emergent light, light processing apparatus be used for with display device's emergent light divide into behind first emergent light and the second emergent light, will first emergent light transmits extremely on the display screen faces the display surface of user one side, and will the second emergent light carries out all the other color light transmission after the first color light filtering extremely on the display screen faces the display surface of user one side. It can be seen from the above contents that, in the technical scheme provided in the embodiment of the present application, the emergent light of the display device is divided into the first emergent light and the second emergent light, the first emergent light is normally transmitted to the display screen, and the second emergent light is transmitted to the display screen after being subjected to the first color light filtering, so that on the basis of ensuring the normal display of the display system, the proportion of the first color light is reduced, and the condition that the first color light damages a user is reduced.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (15)
1. A display system, comprising a display screen and a display device, characterized in that the display system further comprises:
the light processing device is arranged on a light path of emergent light of the display device and is used for dividing the emergent light of the display device into first emergent light and second emergent light, transmitting the first emergent light to a display surface of the display screen facing one side of a user, transmitting the rest color light of the second emergent light after first color light filtering to the display surface of the display screen facing one side of the user, wherein the display surface comprises mixed light of the first emergent light and the second emergent light after the first color light filtering;
wherein the display device is a liquid crystal display device or an organic electroluminescent display device.
2. The display system of claim 1, wherein the first color light comprises blue light and the remaining color light comprises red light and green light.
3. The display system of claim 1, wherein the sum of the light intensity of the first outgoing light and the light intensity of the second outgoing light is the light intensity of the outgoing light of the display device.
4. The display system of claim 1 wherein the intensity of the first outgoing light is the same as the intensity of the second outgoing light.
5. The display system of claim 1, wherein the light processing means comprises:
a beam splitter prism for splitting the outgoing light of the display device into the first outgoing light and the second outgoing light;
the filter film is arranged on the light path of the second emergent light and is used for filtering the first color light of the second emergent light and then emitting the rest color light;
and the light transmission structure is used for guiding the emergent light of the first emergent light and/or the filter film to be transmitted to the display screen.
6. The display system according to claim 5, wherein the display device is disposed on a side of the display screen facing away from the display surface;
wherein the optical transmission structure includes:
the first reflection substructure is arranged on a light path of the first emergent light and used for reflecting the first emergent light to the display screen;
and the second reflection substructure is arranged on a light path of emergent light of the filter film and is used for reflecting the emergent light of the filter film to the display screen.
7. The display system of claim 5, wherein the display device is disposed on a side of the display surface of the display screen.
8. The display system of claim 7, wherein the display screen is disposed on an optical path of the first outgoing light, and the light transmission structure comprises: and the third reflection substructure is arranged on a light path of emergent light of the filter film and is used for reflecting the emergent light of the filter film to the display screen.
9. The display system of claim 7, wherein the display screen is disposed on a light path of light emitted from the filter, and the light transmission structure comprises: and the fourth reflection substructure is arranged on a light path of the first emergent light and is used for reflecting the first emergent light to the display screen.
10. The display system of claim 7, wherein the display screen is not disposed on the optical path of the first emergent light and the emergent light of the filter, and the light transmission structure comprises: the first reflection sub-structure is used for reflecting the first emergent light to the display screen, and the second reflection sub-structure is used for reflecting the second emergent light to the display screen.
11. The display system of claim 5, wherein the beam splitting prism comprises:
the first right-angle prism and the second right-angle prism are arranged in a manner that the inclined planes are opposite;
and a half-transmitting and half-reflecting light film disposed between the first right-angle prism and the second right-angle prism.
12. The display system of claim 1, further comprising:
and the light processing device is arranged on the light path of the emergent light of the light gathering device.
13. The display system of claim 1, wherein the display system is a HUD display system.
14. A display method is applied to a display system, the display system comprises a display screen and a display device, and the display method is characterized by comprising the following steps:
powering on the display system, and enabling the display device to emit light;
and after the emergent light of the display device is divided into first emergent light and second emergent light, the first emergent light is transmitted to the display surface of one side of the display screen, which faces a user, and the second emergent light is transmitted to the display surface after being subjected to first color light filtering.
15. A vehicle comprising a display system according to any one of claims 1 to 13.
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| CN201710762989.3A CN107390366B (en) | 2017-08-30 | 2017-08-30 | Display system, display method and vehicle |
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| CN201710762989.3A CN107390366B (en) | 2017-08-30 | 2017-08-30 | Display system, display method and vehicle |
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| CN107390366A (en) | 2017-11-24 |
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