CN111458870A - Transparent imaging device and application thereof - Google Patents
Transparent imaging device and application thereof Download PDFInfo
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- CN111458870A CN111458870A CN201910180668.1A CN201910180668A CN111458870A CN 111458870 A CN111458870 A CN 111458870A CN 201910180668 A CN201910180668 A CN 201910180668A CN 111458870 A CN111458870 A CN 111458870A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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- G—PHYSICS
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Abstract
The invention discloses a transparent imaging device, which belongs to the technical field of optical display and comprises an image source device and a reflective imaging piece, wherein light rays emitted by the image source device reach the reflective imaging piece and are reflected to human eyes by the reflective imaging piece to form a virtual image. Reflection display spare includes transparent substrate and polarization transflective film, the polarization transflective film locates a surface of transparent substrate, the polarization transflective film reflects P polarized light to the human eye formation virtual image, and the S polarized light of external environment natural light passes through the polarization transflective film and transmits to the human eye, the polarization transflective film that the reflection P polarized light that adopts the polymer film to make to form transmits S polarized light is extremely high to the reflectivity of P polarized light and extremely high to the transmissivity of S polarized light, realize the high light efficiency of device, low-power consumption.
Description
Technical Field
The invention belongs to the technical field of optical display, and particularly relates to a transparent imaging device and application thereof.
Background
The new line display is in the use, can show many types of information to the driver, the image that optical imaging system that these information pass through HUD new line display is formed shows, information on all kinds of instrument panels for example, speed, tire pressure, information such as oil consumption, people need not look over the panel board and only need look over head up HUD and just can look over all kinds of driving information that oneself needs, though very convenient nevertheless have another problem, it is exactly that HUD new line display not only will throw the light that comes from the image source to driver's eyes, still need throw the ambient light that comes from the external world. Therefore, how to ensure that the light of the image source and the light of the external environment can mostly reach the eyes of a driver, the eyes can not only clearly see the image of the image source, but also clearly see the external environment, and the method has important research significance.
Chinese patent application CN20172135845X discloses a new line display device, it includes HUD lighting system and optical imaging system, wherein including collimation uniform element and intensity distribution adjusting element in the HUD lighting system, collimation uniform element and intensity distribution adjusting element set gradually along the light source direction, collimation uniform element is used for adjusting the light source light beam into nearly collimation uniform beam, intensity distribution adjusting element is used for the refraction, the reflection reaches and scatters incident beam, this new line display device is through adopting this kind of HUD lighting system, thereby realize adjusting the light source light beam, finally make the light source light beam concentrate in people's eye box region, thereby improve the light efficiency, reduce the system consumption simultaneously. However, in the method, the light source light beams are adjusted only by arranging the collimation homogenizing element and the intensity distribution adjusting element in the HUD lighting system, and experimental results prove that the light source light beams cannot be completely or mostly concentrated in an eye box at last, so that although the brightness of an image is improved to a certain extent, the power consumption of the system is reduced, the light efficiency is still poor; and for the external environment light existing at the same time, the light can not efficiently penetrate through human eyes, and the light and the image formed by the optical imaging system form mutual interference, so that the human eyes can not see the image formed by the optical imaging system clearly, can not see the external environment clearly, influence the driving safety, and can not embody the use function of the head-up display device.
Chinese patent application CN2018106309248 discloses a HUD that can cooperate polarized sunglasses to use and eliminate ghost image, this HUD includes light source module and reflection module, light source module outgoing P polarized light, the reflection module is including reflecting P polarized light, the car windshield of transmission S polarized light, adopt including the glass internal surface, the car windshield of this three layer construction of P light reflection layer and glass surface, can reflect P light transmission S light, P light can not filtered when the driver wears polarized sunglasses, can also make the reflectivity control of P light reflection layer to P light between 5% to 20%, in order to guarantee that car windshield' S light transmissivity is greater than 70%, this patent has following defect: defect one: the P light reflecting layer is arranged between the inner surface and the outer surface of the glass, and the HUD device is a WHUD device, so that the process difficulty of manufacturing the windshield glass is increased when the windshield glass is manufactured by an automobile manufacturer; and defect two: the reflectivity of the P polarized light that the reflection module sent to the light source module is extremely low, can only control between 5% to 20%, and it is unclear to show image information among the driver's the HUD, and the light effect is poor moreover, and the consumption is great.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems of poor light effect and high power consumption of a head-up display device in the prior art, the invention provides a transparent display device which is high in light effect and low in power consumption.
The technical scheme is as follows: in order to achieve the above object, the transparent image display device of the present invention includes an image source device and a reflective image display element, wherein light emitted from the image source device reaches the reflective image display element and is reflected by the reflective image display element to form a virtual image.
Further, the image source device emits unpolarized light or polarized light.
Further, the reflection imaging part reflects the polarized light to the human eye to form a virtual image.
Further, the image source device comprises a device for emitting unpolarized light.
Further, the image source device comprises a device for emitting polarized light.
Further, the means for emitting unpolarized light comprises L ED array or QD array or P L ED or O L ED.
Further, the means for emitting polarized light comprises means for emitting unpolarized light and polarization control means.
Further, the device for emitting polarized light comprises a light source, L CD and a polarizing film which are arranged in sequence.
Further, the means for emitting unpolarized light comprises L ED array or QD array or P L ED or O L ED.
Further, the polarization control device comprises a polarizer or/and a wave plate.
Further, the means for extracting polarized light comprises a collimating film disposed between the light source and L CD.
Further, the reflective developing member reflects circularly polarized light or elliptically polarized light or linearly polarized light.
Further, the reflective developing member reflects S-polarized light or P-polarized light.
Further, the reflective imaging member includes a transparent substrate.
Further, the reflective display element comprises a polarization transflective film, and the polarization transflective film is arranged on one surface of the transparent substrate.
Furthermore, the reflection developing piece comprises an antireflection film, and the antireflection film is arranged on the other surface of the transparent substrate.
Furthermore, the polarization transflective film is made of a polymer film or an oxide film.
Further, the polarization transflective film reflects circularly polarized light or elliptically polarized light or linearly polarized light.
Further, the polarizing transflective film reflects S-polarized light or P-polarized light.
The utility model provides an use of transparent display device in the car, this transparent display device is located the car accuse platform, through OBD interface connection between transparent display device and the car, the virtual image that transparent display device formed not only can show relevant information of driving to the driver, still can provide if make a call, navigation, human-computer interaction, voice interaction other functions.
Further, the distance between the virtual image presented by the transparent imaging device and the human eyes ranges from 50 cm to 120cm
Has the advantages that: compared with the prior art, the invention has the advantages that:
1. the transparent imaging device mainly reflects light rays emitted by the image source device through the reflective imaging piece to form a virtual image to human eyes, and the virtual image formed by the device has high luminous efficiency; moreover, the power consumption is low;
2. the transparent imaging device comprises a reflection imaging piece, wherein the reflection imaging piece comprises a polarization transflective film, the polarization transflective film is used for reflecting polarized light and transmitting other polarized light, the polarization transflective film reflects the polarized light, namely the polarization transflective film reflects emergent light of an image source device to form a virtual image, the polarization transflective film transmits the other polarized light, namely the polarization transflective film transmits external environment light, so that the virtual image can be observed, and the external environment cannot be observed;
3. the transparent developing device is provided with the polarization transflective film which is made of a high polymer film or an oxide film and reflects S polarized light and transmits P polarized light, the reflectivity of the S polarized light from the image source device is high, the transmittance of the P polarized light from external environment light is high, the high-reflectivity high-transmittance of the display device is realized, a virtual image can be clearly observed, and the external environment can be clearly observed at the same time;
4. the transparent developing device adopts the polarization transflective film which is made of the high polymer film and reflects P polarized light and transmits S polarized light, the reflectivity of the polarization transflective film to the P polarized light from the image source device can be close to 100 percent, and the transmissivity of the polarization transflective film to the S polarized light from external environment light can reach more than 50 percent, so that the high-reflectivity and high-transmissivity of the display device are really realized, the virtual image can be clearly observed, and the external environment can be clearly observed at the same time;
5. according to the transparent developing device, under the condition of equal power consumption, when the polarization transflective film which is made of the high polymer film and used for reflecting P polarized light and transmitting S polarized light is adopted, the light reflectivity can be close to 100%, and meanwhile, the light transmissivity of the external environment can be ensured to be more than 50%, so that the transparent developing device is high in light efficiency, low in power consumption and strong in applicability;
6. according to the transparent developing device, when the polarization transflective film which is made of the high polymer film and reflects P polarized light and transmits S polarized light is adopted, the driver can still clearly see the image under the condition of wearing sunglasses;
7. the transparent developing device adopts the polarization transflective film which is made of the polymer film and reflects P polarized light and transmits S polarized light, and the polymer film is convenient to process and easy to adhere to the surface of the transparent substrate, so that the processing process is simple and convenient;
8. the defect of the Brewster angle exists when the traditional P polarized light reaches the glass medium from the air medium and is reflected, but the defect caused by the Brewster angle does not exist in the reflection process when the P polarized light reaches the polarization transmission and reflection film material for reflecting the P polarized light and transmitting the S polarized light from the air medium, so that the superiority of the transparent display device is reflected;
9. the transparent imaging device is applied to the automobile, the transparent imaging device is arranged on a vehicle control console, the transparent imaging device is connected with the automobile through an OBD interface, and a virtual image formed by the transparent imaging device can not only show relevant driving information for a driver, but also provide additional functions such as calling, navigation and the like; the driver can observe not only the virtual image but also the external environment.
Drawings
FIG. 1 is a schematic view of a transparent developing device according to the present invention.
FIG. 2 is a schematic diagram of an optical imaging system for emitting unpolarized light and reflecting polarized light by a polarized transflective film according to the present invention.
FIG. 3 is a schematic diagram of an optical imaging system in which the polarizing transflective film of the present invention reflects S-polarized light and transmits P-polarized light.
FIG. 4 is a schematic diagram of an optical imaging system in which a polarizing transflective film of the present invention reflects P-polarized light and transmits S-polarized light.
FIG. 5 is a schematic diagram of an optical imaging system of the present invention in which the polarizing transflective film reflects left-handed circularly polarized light and transmits right-handed circularly polarized light.
FIG. 6 is a schematic diagram of an optical imaging system of the present invention in which the polarizing transflective film reflects left-handed elliptically polarized light and transmits right-handed elliptically polarized light.
The reference numbers illustrate:
1. a host; 2. the host computer apron.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
It should be noted that for simplicity and clarity of illustration, the following describes several representative embodiments of the present invention. Numerous details of the embodiments are set forth to provide an understanding of the principles of the invention. It will be apparent, however, that the invention may be practiced without these specific details. Some embodiments are not described in detail, but rather are merely provided as frameworks, in order to avoid unnecessarily obscuring aspects of the invention. Hereinafter, "including" means "including but not limited to", "according to … …" means "at least according to … …, but not limited to … … only". "first," "second," and the like are used merely as references to features and are not intended to limit the features in any way, such as in any order. In view of the language convention of chinese, the following description, when it does not specifically state the number of a component, means that the component may be one or more, or may be understood as at least one.
The first embodiment is as follows:
the transparent imaging device of the embodiment comprises an image source device and a reflective imaging piece, wherein light rays emitted by the image source device reach the reflective imaging piece and are reflected by the reflective imaging piece to form a virtual image for human eyes. Meanwhile, the external ambient light is transmitted to human eyes by the reflection imaging piece. So, people's eye not only can observe the virtual image that corresponds with the image source, can also see through reflection development piece and see external environment, and reflection development piece does not obstruct people's eye and see external environment when people's eye observes the virtual image.
Example two:
a transparent developing device according to the first embodiment, referring to fig. 1, includes a main body 1 and a main body cover 2, the main body 1 includes a main body and an image source device, and the main body cover 2 includes a main body cover and a reflective developing member.
The host cover plate 2 can be covered on the host 1, and the host cover plate 2 can also be turned over along the host 1, and a certain angle is formed between the host cover plate and the host 1, which is similar to a flip-type device.
The host 1 and the host cover plate 2 can be connected or separated, and the connection mode between the host 1 and the host cover plate 2 is fixed connection or movable connection between the host 1 and the host cover plate 2.
The main machine 1 and the main machine cover plate 2 can be movably connected through an electric rotating shaft (it needs to be explained that the connection mode is not the only connection mode), the main machine cover plate 2 can be overturned relative to the main machine 1 through the connection mode of the electric rotating shaft, in addition, the electric rotating shaft is controlled by a stepping motor, so that the main machine cover plate 2 can be automatically overturned relative to the main machine 1, and the main machine cover plate 2 can be overturned relative to the main machine 1, so that a certain angle exists between the main machine cover plate 2 and the main machine 1, and the angle range is;
the host 1 comprises a host body and an image source device, wherein the host body adopts an aluminum alloy shell or other material shells, the image source device is arranged on the host body, and the host body and the image source device are integrated in appearance; the main body cover plate 2 comprises a main body cover plate body and a reflection imaging piece, wherein the reflection imaging piece is arranged on the main body cover plate body and is integrated with the main body cover plate body in appearance.
Example three:
a transparent image display device according to the first embodiment, referring to fig. 1, wherein light emitted from the image source device reaches the reflective image display element and is reflected by the reflective image display element to human eyes to form a virtual image.
Referring to fig. 2, a light emitting surface (a surface emitting light from the image source device) of the image source device and a light incident surface (a surface incident light on the reflective image element) of the reflective image element are opposite in position, and a certain angle θ exists between the light emitting surface and the light incident surface, the angle range of the θ enables most of the light emitted from the image source device to reach the reflective image element, a light reflecting surface (a surface reflecting light on the reflective image element, and the light reflecting surface of the reflective image element and the light incident surface of the reflective image element are generally a plane) of the reflective image element is opposite in position to human eyes, most of the light emitted from the image source device reaches the reflective image element and then is reflected to human eyes by the reflective image element at a certain angle α, so that a virtual image is formed in front of the human eyes, and meanwhile, external environment light is transmitted to the human eyes by the reflective.
Example four:
in the transparent display device according to the third embodiment, the image source device emits non-polarized light, and the non-polarized light includes a plurality of polarization characteristics and is not unique in polarization characteristic; the light emitted by the image source device reaches the reflection imaging piece and then is reflected to human eyes by the reflection imaging piece to form a virtual image.
The image source device emits unpolarized light which is similar to natural light and has various polarization characteristics and non-unique polarization characteristics, for example, the unpolarized light has other polarization characteristics such as circular polarization characteristics, elliptical polarization characteristics and/or linear polarization characteristics; the non-polarized light emitted from the image source device reaches the reflective display element and is reflected by the reflective display element, and the reflective display element reflects the polarized light with a certain characteristic, for example, the reflective display element reflects the light with circular polarization characteristic, elliptical polarization characteristic or linear polarization characteristic, to the human eye to form a virtual image.
Referring to fig. 2, the image source device emits unpolarized light having S-polarization and P-polarization characteristics, the reflective imaging element reflects the P-polarization, and the unpolarized light emitted from the image source device reaches the reflective imaging element and is reflected by the reflective imaging element to form a virtual image; meanwhile, the external environment natural light is transmitted to human eyes through the reflection imaging piece, the reflection imaging piece transmits S polarized light, the external environment natural light comprises S polarized characteristics and P polarized characteristics, and the reflection imaging piece transmits the S polarized light. In summary, in the embodiment corresponding to fig. 2, the image source device emits unpolarized light, the reflective image display element reflects P-polarized light and transmits S-polarized light, the unpolarized light emitted from the image source device reaches the reflective image display element and is reflected by the reflective image display element, the reflectivity of the unpolarized light emitted from the image source device on the reflective image display element reaches 50%, and the transmittance of the natural light of the external environment on the reflective image display element reaches 50%.
Example five:
the transparent display device of this embodiment is based on the fourth embodiment, wherein the image source device emits unpolarized light, the reflective display element reflects polarized light, and light emitted from the image source device reaches the reflective display element and is reflected by the reflective display element to human eyes to form a virtual image.
Adopt L ED array or QD (Quantum dot) array or P L ED or O L ED to emit unpolarized light, reflection image display element reflects polarized light, and the light that the image source device was emergent is reflected by reflection image display element to human eye after reaching reflection image display element, forms the virtual image.
Example six:
based on the third embodiment, the image source device emits polarized light, where the polarized light refers to light with unique polarization characteristics, such as circularly polarized light, elliptically polarized light, or linearly polarized light, the reflective display element reflects the polarized light, and the polarized light emitted by the image source device reaches the reflective display element and is reflected by the reflective display element to human eyes to form a virtual image.
The image source device emits polarized light, the polarized light is light with unique polarization characteristic, the polarized light has circular polarization characteristic or elliptical polarization characteristic or linear polarization characteristic, wherein the polarization direction with the linear polarization characteristic has a certain included angle with the horizontal direction, the included angle ranges from 0 degree to 90 degrees, and when the included angle between the polarization direction with the linear polarization characteristic and the horizontal direction is 0 degree, the polarized light is S-polarized light; when the included angle between the polarization direction of the linear polarization characteristic and the horizontal direction is 90 degrees, the linear polarization characteristic is P polarized light, S polarized light and P polarized light are collectively called special linearly polarized light, and linearly polarized light in other included angle ranges is collectively called common linearly polarized light.
Example seven:
the transparent display device of this embodiment, based on embodiment six, wherein the image source device emits polarized light, the image source device includes a device that emits polarized light, the device that emits polarized light includes a device that emits unpolarized light and a polarization control device, wherein the device that emits unpolarized light includes L ED array or qd (quantum dot) array or P L ED or O L ED, the polarization control device includes a wave plate or a polarizer, the device that emits unpolarized light is adopted to emit unpolarized light, then the unpolarized light is changed into light with unique polarization characteristics by the polarization control device, and the reflective display device reflects the polarized light to form a virtual image to the human eye.
Example eight:
based on the sixth embodiment, in the transparent display device of this embodiment, the image source device emits polarized light, the image source device includes a polarized light emitting device, the polarized light emitting device includes a light source, L CD and a polarizing film, which are sequentially disposed, light emitted from the light source sequentially reaches L CD and the polarizing film, and finally the image source device emits polarized light, and the post-reflection display device reflects the polarized light to form a virtual image to human eyes.
In this embodiment, a collimating film may be further disposed between the light source and L CD, and the collimating film collimates light emitted from the light source to reach L CD, so as to make full use of light and achieve high luminous efficiency.
Example nine:
in the transparent developing apparatus according to the sixth embodiment, the reflective developing member may reflect circularly polarized light, elliptically polarized light, or linearly polarized light, and particularly, the reflective developing member may reflect S-polarized light or P-polarized light.
The reflection imaging piece comprises a transparent substrate and a polarization transflective film, the polarization transflective film is arranged on one surface of the transparent substrate, the transparent substrate enables external environment light to penetrate through the reflection imaging piece to human eyes, and the transmittance is high. The polarization transflective film is made of a polymer film or an oxide film, and can reflect circularly polarized light, elliptically polarized light or linearly polarized light.
Example ten:
in the transparent display device of this embodiment, based on the ninth embodiment, referring to fig. 3, the polarization transflective film reflects S-polarized light, the S-polarized light emitted from the image source device reaches the polarization transflective film and is reflected by the polarization transflective film, and the polarization transflective film reflects the S-polarized light to the human eye to form a virtual image; meanwhile, the polarization transflective film transmits P polarized light, external environment natural light is transmitted to human eyes through the polarization transflective film, the external environment natural light comprises S polarization characteristics and P polarization characteristics, and the polarization transflective film transmits the P polarized light to the human eyes. In summary, in the embodiment corresponding to fig. 3, a polarization transflective film that reflects S-polarized light and transmits P-polarized light is used.
The polarization transflective film which reflects S-polarized light and transmits P-polarized light is made of a polymer film or an oxide film.
Example eleven:
in the transparent display device of this embodiment, based on the ninth embodiment, referring to fig. 4, the polarization transflective film reflects P-polarized light, the P-polarized light emitted from the image source device reaches the polarization transflective film and is reflected by the polarization transflective film, and the polarization transflective film reflects the P-polarized light to the human eye to form a virtual image; meanwhile, the polarization transflective film transmits S polarized light, external environment natural light is transmitted to human eyes through the polarization transflective film, the external environment natural light comprises S polarization characteristics and P polarization characteristics, and the polarization transflective film transmits the S polarized light to the human eyes. In summary, in the embodiment corresponding to fig. 3, a polarization transflective film that reflects P-polarized light and transmits S-polarized light is used.
The polarization transflective film which reflects P-polarized light and transmits S-polarized light is made of a polymer film.
Example twelve:
in the transparent display device of this embodiment, based on the ninth embodiment, referring to fig. 5, the polarization transflective film reflects left circularly polarized light, the left circularly polarized light emitted from the image source device reaches the polarization transflective film and is reflected by the polarization transflective film, and the polarization transflective film reflects the left circularly polarized light to the human eye to form a virtual image; meanwhile, the polarization transflective film transmits the right-handed circularly polarized light, the external environment natural light is transmitted to human eyes through the polarization transflective film, the external environment natural light comprises a left-handed circularly polarized characteristic and a right-handed circularly polarized characteristic, and the polarization transflective film transmits the right-handed circularly polarized light to the human eyes. In summary, in the embodiment corresponding to fig. 3, a polarization transflective film that reflects left-handed circularly polarized light and transmits right-handed circularly polarized light is used.
Example thirteen:
in the transparent imaging device of this embodiment, based on the ninth embodiment, referring to fig. 6, the polarization transflective film reflects left-handed elliptically polarized light, the left-handed elliptically polarized light emitted from the image source device reaches the polarization transflective film and is reflected by the polarization transflective film, and the polarization transflective film reflects the left-handed elliptically polarized light to human eyes to form a virtual image; meanwhile, the polarization transflective film transmits the right-handed elliptically polarized light, the external environment natural light is transmitted to human eyes through the polarization transflective film, the external environment natural light comprises a left-handed elliptical polarization characteristic and a right-handed elliptical polarization characteristic, and the polarization transflective film transmits the right-handed elliptical polarized light to the human eyes. In summary, in the embodiment corresponding to fig. 6, the polarization transflective film that reflects left-handed elliptically polarized light and transmits right-handed elliptically polarized light is used.
Example fourteen:
in the transparent developing apparatus of this embodiment, based on the ninth embodiment, the reflective developing element includes a transparent substrate, a polarizing transparent reflective film, and an anti-reflection film, where the anti-reflection film is used to increase the transmittance of the external natural light on the reflective developing element, the polarizing transparent reflective film is disposed on one surface of the transparent substrate, and the anti-reflection film is disposed on the other surface of the transparent substrate; the polarization transflective film can be arranged on the inner surface of the transparent substrate and also can be arranged on the outer surface of the transparent substrate, the inner surface of the transparent substrate refers to the surface of the reflection imaging piece opposite to the position of human eyes, and the outer surface of the opposite transparent substrate refers to the surface of the external environment on which natural light is directly incident; the polarization anti-reflection film is arranged on the outer surface of the transparent base material, and the anti-reflection film is arranged on the inner surface of the transparent base material; the polarization anti-reflection film is arranged on the inner surface of the transparent base material, and the anti-reflection film is arranged on the outer surface of the transparent base material.
Example fifteen:
in the transparent developing device of the present embodiment, based on the tenth embodiment, referring to fig. 3, polarized light emitted from the image source device is incident on the polarization transflective film which is arranged on the inner surface of the transparent substrate and transmits the P-polarized light at a certain angle α, and the polarization transflective film which is arranged on the inner surface of the transparent substrate and transmits the P-polarized light transmits the S-polarized light and reflects the S-polarized light to the human eye to form a virtual image;
in the embodiment of the present invention, the angle range of α is preferably 10 degrees to 80 degrees.
Example sixteen:
in the transparent developing apparatus of this embodiment, based on the tenth embodiment, the polarization transflective film that reflects S-polarized light and transmits P-polarized light is made of an oxide film or a polymer film.
The polarization transflective film made of the high polymer material, which reflects the S-polarized light and transmits the P-polarized light, has high reflectivity to the S-polarized light and high transmissivity to the P-polarized light.
In the embodiment of the present invention, the polarization transflective film that reflects S-polarized light and transmits P-polarized light, which is made of an oxide thin film, may be formed by stacking at least two kinds of films having different refractive indexes, and the film may have one or more of the components selected from the group consisting of titanium dioxide, magnesium oxide, zinc oxide, zirconium oxide, silicon dioxide, magnesium fluoride, silicon nitride, silicon oxynitride, and aluminum fluoride, and the number of stacked films is large when processing. Through this polarization of reflection S polarized light and transmission P polarized light passes through anti-membrane, can realize the high reflection to S polarized light, the reflectivity is higher, and is higher to the transmissivity of external environment light, and the P polarized light of external environment light passes through this polarization of anti-S polarized light passing through P polarized light and passes through anti-membrane, realizes that people' S eye not only can observe the information that shows in the virtual image, can also see external environment comparatively clearly.
Example seventeen:
referring to fig. 4, polarized light emitted from an image source device is incident on a polarization transflective film arranged on the inner surface of a transparent substrate at a certain angle α, the polarization transflective film arranged on the inner surface of the transparent substrate reflects P-polarized light and transmits S-polarized light, and the polarization transflective film arranged on the inner surface of the transparent substrate reflects P-polarized light and transmits S-polarized light to form a virtual image;
in the embodiment of the present invention, the angle range of α is preferably 10 degrees to 80 degrees.
The polarization transflective film for reflecting the P-polarized light and transmitting the S-polarized light is made of a high polymer material, has extremely high reflectivity to the P-polarized light, can reach 100 percent, and has extremely high transmissivity to the S-polarized light.
Example eighteen:
a transparent developing device of the present embodiment, based on embodiment thirteen, referring to fig. 5, the polarization transflective film reflects circularly polarized light, wherein the circularly polarized light includes left circularly polarized light or right circularly polarized light;
the polarized light ray emitted by the image source device is incident on the polarization transflective film arranged on the inner surface of the transparent base material at a certain angle α, the polarization transflective film arranged on the inner surface of the transparent base material reflects left-handed circularly polarized light to form a virtual image to human eyes.
In the embodiment of the present invention, the angle range of α is preferably 10 degrees to 80 degrees.
Example nineteenth:
in a transparent display apparatus according to a fourteenth embodiment, referring to fig. 6, the polarization transflective film reflects elliptically polarized light, where the elliptically polarized light includes left-handed elliptically polarized light or right-handed elliptically polarized light;
polarized light rays emitted by the image source device are incident on the polarization transflective film arranged on the inner surface of the transparent base material at a certain angle α, the polarization transflective film arranged on the inner surface of the transparent base material reflects left-handed elliptical polarized light to form a virtual image to human eyes, and right-handed elliptical polarized light of natural light in an external environment is transmitted to the human eyes through the polarization transflective film.
In the embodiment of the present invention, the angle range of α is preferably 10 degrees to 80 degrees.
Example twenty:
the application of a transparent display device of this embodiment in the car, based on the transparent display device that embodiment fourteen provided, this transparent display device is located the control cabinet, passes through OBD interface connection between this transparent display device and the car, realizes the application of transparent display device in the car. When the transparent imaging device is applied to an automobile, virtual image content formed by the transparent imaging device comprises various vehicle-mounted information, specifically comprises other information such as vehicle speed, parking space and oil consumption, and can also realize functions such as positioning, navigation, man-machine interaction and voice interaction. The distance range between the virtual image presented by the transparent imaging device and human eyes is 50-120 cm.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (22)
1. The utility model provides a transparent display device which characterized in that, includes like source device and reflection display member, the light of like source device outgoing is reflected by reflection display member after arriving reflection display member, forms the virtual image to the people's eye.
2. The transparent developing device according to claim 1, wherein the image source device emits unpolarized light or polarized light.
3. The transparent imaging device according to claim 1 or 2, wherein the reflective imaging member reflects polarized light to the human eye to form a virtual image.
4. The transparent developing device according to claim 2, wherein the image source device comprises a device for emitting unpolarized light.
5. The transparent developing device according to claim 2, wherein the image source device comprises a device for emitting polarized light.
6. The transparent visualization device according to claim 4, wherein the means for emitting unpolarized light comprises L ED array or QD array or P L ED or O L ED.
7. The transparent developing device according to claim 5, wherein the means for emitting polarized light comprises means for emitting unpolarized light and polarization control means.
8. The transparent developing device according to claim 5, wherein the means for emitting polarized light comprises a light source, L CD and a polarizing film arranged in this order.
9. The transparent visualization device according to claim 7, wherein the means for emitting unpolarized light comprises L ED array or QD array or P L ED or O L ED.
10. The transparent visualization device according to claim 7, wherein the polarization control means comprises a polarizer or/and a wave plate.
11. The transparent imaging device according to claim 8, wherein the means for emitting polarized light comprises a collimating film disposed between the light source and L CD.
12. The transparent developing device according to claim 3, wherein the reflective developing member reflects circularly polarized light or elliptically polarized light or linearly polarized light.
13. The transparent developing device according to claim 3, wherein the reflective developing member reflects S-polarized light or P-polarized light.
14. The transparent developing device according to claim 1, wherein the reflective developing member comprises a transparent substrate.
15. The transparent developing device according to claim 14, wherein the reflective developing member includes a polarizing transflective film provided on one surface of a transparent substrate.
16. The transparent developing apparatus according to claim 15, wherein the reflective developing member includes an antireflection film provided on the other surface of the transparent substrate.
17. The transparent imaging device according to claim 15 or 16, wherein the polarizing transflective film reflects circularly polarized light or elliptically polarized light or linearly polarized light.
18. The transparent developing device according to claim 15 or 16, wherein the polarizing transflective film reflects S-polarized light or P-polarized light.
19. The transparent developing device according to claim 18, wherein the polarizing transflective film is made of a polymer film or an oxide film.
20. Use of a transparent visualization device as claimed in any of the claims 1 to 19 in a motor vehicle, characterized in that the transparent visualization device is arranged on a console.
21. Use of the transparent visualization device according to claim 20 in an automobile, wherein the transparent visualization device is connected to the automobile through an OBD interface.
22. The use of the transparent imaging device of claim 20 in an automobile, wherein the distance between the virtual image formed by the transparent imaging device and the human eye is in the range of 50-120 cm.
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| CN2019100551454 | 2019-01-21 | ||
| CN201910055145 | 2019-01-21 |
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| CN111458870A true CN111458870A (en) | 2020-07-28 |
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| CN201910180668.1A Pending CN111458870A (en) | 2019-01-21 | 2019-03-11 | Transparent imaging device and application thereof |
| CN201910338075.3A Pending CN111458872A (en) | 2019-01-21 | 2019-04-25 | Transparent imaging device and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107203042A (en) * | 2016-03-17 | 2017-09-26 | 异视科技（北京）有限公司 | It is shown as system and method, the vehicles with the system |
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| KR20110127470A (en) * | 2010-05-19 | 2011-11-25 | 동우 화인켐 주식회사 | Head-up display |
| WO2017030654A1 (en) * | 2015-08-14 | 2017-02-23 | Gentex Corporation | Heads up display system |
| CN105629472A (en) * | 2016-01-28 | 2016-06-01 | 深圳多哚新技术有限责任公司 | Short-distance optical amplification module group, amplification method, and amplification system |
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| CN107203042A (en) * | 2016-03-17 | 2017-09-26 | 异视科技（北京）有限公司 | It is shown as system and method, the vehicles with the system |
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Application publication date: 20200728 |