CN113820869A - Optical system and display device - Google Patents
Optical system and display device Download PDFInfo
- Publication number
- CN113820869A CN113820869A CN202110831535.3A CN202110831535A CN113820869A CN 113820869 A CN113820869 A CN 113820869A CN 202110831535 A CN202110831535 A CN 202110831535A CN 113820869 A CN113820869 A CN 113820869A
- Authority
- CN
- China
- Prior art keywords
- polarized light
- light
- display
- image
- optical system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
- G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The embodiment of the application provides an optical system and a display device. The optical system comprises a light splitting element and a polarization processing structure; the light splitting element is configured to reflect first S-polarized light to a polarization selection device to form a first image on the polarization selection device, and transmit first P-polarized light to the polarization processing structure; the polarization processing structure adjusts the direction of the first P polarized light, so that the first P polarized light after the direction adjustment penetrates through the light splitting element and is projected to the polarization selection device to form a second image; the first S polarized light and the first P polarized light are display light rays of two adjacent frames of display pictures, and the first image and the second image are overlapped to realize 3D display. The present embodiment can provide a 3D viewing experience for the user.
Description
Technical Field
The application relates to the technical field of display, in particular to an optical system and a display device.
Background
The HUD, i.e., Head Up Display, is also called a heads-Up Display device. The method is mainly used for important scenes such as automobile navigation and pilot driving. The HUD system can project information such as speed per hour and navigation to the windshield in front of the driver, and the driver can receive required information while looking ahead.
The current HUD navigation display system is single light path display, namely plane imaging, has no 3D stereoscopic impression, is monotonous in display and poor in user experience.
Disclosure of Invention
This application is directed against the shortcoming of current mode, provides an optical system and display device for solve the 3D that realizes the HUD system and show.
In a first aspect, embodiments of the present application provide an optical system including a light splitting element, a polarization processing structure, and a polarization selection device;
the beam splitting element is configured to reflect first S-polarized light onto a polarization selection device such that the polarization selection device reflects the first S-polarized light to form a first image;
the polarization processing structure adjusts the direction of the first P polarized light, so that the first P polarized light after the direction adjustment penetrates through the light splitting element and is projected to the polarization selection device, and the polarization selection device transmits the first P polarized light after the direction adjustment to form a second image;
the first S polarized light and the first P polarized light are display light rays of two adjacent frames of display pictures, and the first image and the second image are overlapped to realize 3D display.
Optionally, the light splitting element includes a light splitting layer and a support structure connected to the light splitting layer, the light splitting layer reflects the P-polarized light and the S-polarized light, and the support structure supports the light splitting layer.
Optionally, the polarization processing structure comprises a first component and a second component; the first component is used for converting the first P polarized light into second S polarized light and reflecting the second S polarized light to the light splitting element so that the light splitting element reflects the second S polarized light to the second component; the second component is configured to convert the second S-polarized light into a second P-polarized light, and then reflect the second P-polarized light to the light splitting element, so that the second P-polarized light is transmitted through the light splitting element and projected to the polarization selection device to form the second image.
Optionally, the first assembly comprises a first 1/4 slide and a first reflective layer, the first 1/4 slide being located on a side of the light splitting element away from incidence of the first S-polarized light, the first reflective layer being located on a side of the first 1/4 slide away from the light splitting element; the second assembly comprises a second 1/4 glass sheet and a second reflecting layer, the second 1/4 glass sheet is located on the side, away from the first S-polarized light, of the light splitting element, and the second reflecting layer is located on the side, away from the light splitting element, of the second 1/4 glass sheet.
Optionally, the first reflective layer is a curved mirror and/or the second reflective layer is a curved mirror.
Optionally, the light splitting element includes a light splitting layer, and the light splitting layer transmits the P-polarized light and reflects the S-polarized light.
In a second aspect, an embodiment of the present application provides a display device, including:
the optical system described above;
the image source is configured to display a display picture according to a set program and project display light to the light splitting element, the display light of two adjacent frames of display pictures is S polarized light and P polarized light respectively, the display light of the two adjacent frames of display pictures forms a first image and a second image after being processed by the optical system respectively, and the first image and the second image are overlapped to form 3D display.
Optionally, the display device further comprises a lens group located between the image source and the optical system and including at least one lens for adjusting the size of the formed first and second images.
Optionally, the image source is a display screen, and the switching frequency of the display screen for switching between two adjacent frames of display pictures is greater than or equal to 100 HZ.
Optionally, the display device further comprises:
the vision acquisition system is used for acquiring the binocular information of the user;
and the adjusting system is connected with the optical system and the image source and is configured to adjust the distance between the optical system and the image source, the distance between the optical system and the polarization selection device and the included angle between the display light and the horizontal plane according to the binocular information.
Optionally, the display device is a HUD display device.
The technical scheme provided by the embodiment of the application has the following beneficial technical effects:
the optical system and the display device provided by the embodiment of the application can reflect S polarized light and adjust P polarized light, so that the S polarized light and the P polarized light respectively form a first image and a second image through the optical system, and the superposition of the first image and the second image can provide 3D viewing experience for a user.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is an optical path diagram of an optical system for processing first S-polarized light according to an embodiment of the present disclosure;
fig. 2 is an optical path diagram of an optical system for processing a first P-polarized light according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a light splitting element in an optical system according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a display device including an optical system according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a frame structure of a display device according to an embodiment of the present disclosure.
Reference numerals:
1-an optical system; 11-a light splitting element; 111-a light splitting layer; 112-a support structure; 12-a polarization processing structure; 121-a first component; 1211 — first 1/4 slide; 1212 — a first reflective layer; 122-a second component; 1221-second 1/4 slide; 1222-a second reflective layer; 13-a polarization selection device;
2-an image source;
3-eyes of the user;
4-a lens group; 41-a first lens; 42-second lens.
Detailed Description
Reference will now be made in detail to the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts or parts having the same or similar functions throughout. In addition, if a detailed description of the known art is not necessary for illustrating the features of the present application, it is omitted. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
HUD is used for important scenes such as car navigation, pilot's driving mostly. The HUD system can project information such as speed per hour and navigation to the windscreen in front of the driver, and the driver can receive required information while looking ahead. The current HUD navigation display system is single light path display, namely plane imaging, has no 3D stereoscopic impression, is monotonous in display and poor in user experience.
The present application provides an optical system and a display device, which aim to solve the above technical problems in the prior art.
Fig. 1 is an optical path diagram of an optical system for processing first S-polarized light according to an embodiment of the present disclosure; fig. 2 is an optical path diagram of an optical system for processing first P-polarized light according to an embodiment of the present disclosure. The embodiment of the present application provides an optical system 1, and as shown in fig. 1 and 2, the optical system 1 includes a light splitting element 11, a polarization processing structure 12, and a polarization selection device 13.
The spectroscopic element 11 is configured to reflect the first S-polarized light onto the polarization selection device 13 so that the polarization selection device 13 reflects the above-described first S-polarized light to form a first image P1 on the polarization selection device 13, and to transmit the first P-polarized light to the polarization processing structure 12.
The polarization processing structure 12 adjusts the direction of the first P-polarized light, so that the first P-polarized light after direction adjustment is projected to the polarization selection device 13 through the light splitting element 11, and the polarization selection device 13 transmits the first P-polarized light after direction adjustment to form a second image P2.
The first S polarized light and the first P polarized light are display light of two adjacent frames of display pictures, and the first image P1 and the second image P2 are superimposed to realize 3D display.
The optical system 1 provided in this embodiment can reflect S-polarized light and adjust P-polarized light so that the S-polarized light and the P-polarized light pass through the first image P1 and the second image P2 formed by the optical system 1, respectively, and the superposition of the first image P1 and the second image P2 can provide a 3D viewing experience for a user.
Alternatively, as shown in fig. 1 and 2, the present embodiment provides an optical system in which the polarization selection device 13 transmits P-polarized light and reflects S-polarized light, and the material of the polarization selection device 13 includes metal or light-transmissive plastic. Specifically, when the polarization selection device 13 is made of a light-transmissive plastic, not only can the effect required by the polarization selection device 13 be achieved, but also the user can be made to view a real scene, thereby achieving fusion of a 3D display picture and the real scene.
Alternatively, as shown in fig. 1 to 3, the spectroscopic element 11 includes a spectroscopic layer 111 and a support structure 112 connected to the spectroscopic layer, the spectroscopic layer 111 reflects P-polarized light and S-polarized light, and the support structure 112 supports the spectroscopic layer 111. Specifically, the support structure 112 is a transparent cube, and the light splitting layer 111 is disposed on a plane defined by two diagonal lines of the cube.
As shown in fig. 1 and fig. 2, the present embodiment provides the optical system 1 in which the polarization processing structure 12 includes a first component 121 and a second component 122; the first component 121 is configured to convert the first P-polarized light into a second S-polarized light, and then reflect the second S-polarized light to the light splitting element 11, so that the light splitting element 11 reflects the second S-polarized light to the second component 122; the second assembly 122 is configured to convert the second S-polarized light into a second P-polarized light, and then reflect the second P-polarized light to the light splitting element 11, so that the second P-polarized light is projected to the polarization selection device 13 through the light splitting element 11 to form a second image P2.
Specifically, the first P-polarized light is projected onto the first assembly 121 after passing through the light splitting layer 111, the first assembly 121 converts the first P-polarized light into the second S-polarized light and reflects the second S-polarized light, the reflected second S-polarized light is projected onto the second assembly 122 after being reflected by the light splitting layer 111, the second assembly 122 converts the second S-polarized light into the second P-polarized light and reflects the second P-polarized light, the reflected second P-polarized light is irradiated onto the light splitting layer 111, and the P-polarized light can pass through the light splitting layer 111, so that the second P-polarized light (i.e., the first P-polarized light after changing the direction) can pass through the light splitting layer 111 and be projected onto the polarization selection device 13 to form the second image P2.
As shown in fig. 1 to 3, the present embodiment provides an optical system 1 in which the first module 121 includes a first 1/4 slide 1211 and a first reflection layer 1212, the first 1/4 slide 1211 is located on a side of the spectroscopic element 11 away from the first S-polarized light incident surface a, and the first reflection layer 1212 is located on a side of the first 1/4 slide 1211 away from the spectroscopic element 11; the second module 122 includes a second 1/4 glass sheet 1221 and a second reflective layer 1222, the second 1/4 glass sheet 1221 being located on the side of the light-splitting element 11 remote from the first S-polarized light exit plane b, the second reflective layer 1222 being located on the side of the second 1/4 glass sheet 1221 remote from the light-splitting element 11.
Specifically, the first S-polarized light incident surface a and the first S-polarized light exit surface b are both surfaces of the support structure 112, the 1/4 glass sheet functions to convert P-polarized light into S-polarized light, and the reflective layer functions to reflect the converted S-polarized light.
Further, the first reflective layer 1212 is a curved mirror and/or the second reflective layer 1222 is a curved mirror, and the curved mirror adjusts the position of the focal plane of the first image P1 and/or the focal plane of the second image P2, so that the focal plane of the first image P1 and the focal plane of the second image P2 are not coincident. So can realize many focal planes 3D display effect, the 3D display effect of many focal planes is more true than traditional 3D demonstration, can promote user's watching experience.
It should be noted that the first reflective layer 1212 and the second reflective layer 1222 may be both flat mirrors, but the flat mirrors cannot adjust the focal planes of the first image P1 and the second image P2, and only achieve the conventional 3D display effect.
Specifically, the center point of the light-splitting layer 111, the center point of the first 1/4 slide 1211, and the center point of the first reflective layer 1212 are on the same straight line, and the center point of the light-splitting layer 111, the center point of the second 1/4 slide 1221, and the center point of the second reflective layer 1222 are also on the same straight line, so that the display light can be better processed.
Specifically, in the optical system shown in fig. 2, the first image P1 is located on the first focal plane F1, the second image P2 is located on the second focal plane F2, and the first focal plane F1 and the second focal plane F2 are parallel to each other, it should be noted that since the first image P1 and the second image P2 are respectively formed by display light rays of two adjacent frames of display pictures, the first image P1 and the second image P2 are not simultaneously present in practice, but the human eye feels that the first image P1 and the second image P2 are simultaneously seen due to the persistence of vision effect, and on the basis that the superposition of the first image P1 and the second image P2 forms a 3D display effect.
Based on the same inventive concept, embodiments of the present application provide a display device, as shown in fig. 1 and 2, including:
the optical system 1 in the above embodiment;
and the image source 2 is configured to display the display pictures according to a set program and project display light rays to the light splitting element 11, the display light rays of two adjacent frames of display pictures are respectively S-polarized light and P-polarized light, and the display light rays of the two adjacent frames of display pictures are processed by the optical system 1 to respectively form a first image P1 and a second image P2.
The display device provided by the present embodiment, including the optical system 1 in the above-mentioned embodiment, can reflect S-polarized light and adjust P-polarized light, so that the S-polarized light and the P-polarized light pass through the first image P1 and the second image P2 formed by the optical system 1, respectively, and the superposition of the first image P1 and the second image P2 can provide a 3D viewing experience for a user.
As shown in fig. 4, the display device provided by the present embodiment further includes a lens group 4, the lens group 4 being located between the image source 2 and the optical system 1 and including at least one lens, the lens group 4 being used for adjusting the size of the formed first image P1 and second image P2. For example, the lens group 4 in the display device shown in fig. 4 includes a first lens 41 and a second lens 42, and the parameters of the first lens 41 and the second lens 42 may be the same, or the first lens 41 and the second lens 42 with different parameters may be selected according to actual needs.
Specifically, the focal point of the lens, the center point of the image source 2, and the center point of the light-splitting element 11 are located on the same straight line, and the sizes of the first image P1 and the second image P2 can be adjusted by adjusting the position of the lens group 4 on the straight line, thereby adjusting the size of the 3D image seen by the user.
As shown in fig. 4, in the display apparatus provided in this embodiment, the image source 2 is a display screen, and the switching frequency of the display screen for switching between two adjacent frames of display pictures is greater than or equal to 100HZ, for example, in a specific embodiment, the switching frequency of the display screen for switching between two adjacent frames of display pictures is 120 HZ. The image source 2 in this embodiment adopts high frequency switching, so that the previous frame image and the current frame image which are retained by human eyes are superimposed to realize a 3D display effect.
As shown in fig. 5, the display device provided in this embodiment further includes a vision acquisition system and an adjustment system. The vision acquisition system is used for acquiring the information of the two eyes 3 of the user; the adjusting system is connected with the optical system 1 and the image source 2, and is configured to adjust a distance between the optical system 1 and the image source 2, a distance between the optical system 1 and the polarization selection device 13, and an included angle between the display light and a horizontal plane according to binocular information.
Specifically, the distance between the optical system 1 and the image source 2 refers to the distance between the spectroscopic element 11 in the optical system 1 and the image source 2, and the distance between the optical system 1 and the display surface refers to the distance between the spectroscopic element 11 in the optical system 1 and the polarization selection device 13. In addition, for example, to ensure that the center of the image source 2 and the center of the light splitting element 11 are located on the same straight line, the light splitting system also needs to be rotated synchronously while adjusting the included angle between the display light (perpendicular to the plane where the image source 2 is located) and the horizontal plane.
In the embodiment, the information of the two eyes 3 of the user is collected, and the distance between the optical system 1 and the image source 2, the distance between the optical system 1 and the polarization selection device 13, and the included angle between the display light and the horizontal plane are adjusted according to the information of the two eyes, so that the positions of the first image P1 and the second image P2 are adjusted, that is, the position of the 3D image is adjusted, and the 3D image is formed at the optimal viewing angle of the user.
Specifically, the polarization selection device 13 transmits P-polarized light and reflects S-polarized light, and the material of the polarization selection device 13 includes metal or light-transmissive plastic. Specifically, when the polarization selection device 13 is made of a light-transmissive plastic, not only can the effect required by the polarization selection device 13 be achieved, but also the user can be made to view a real scene, thereby achieving fusion of a 3D display picture and the real scene.
Optionally, the display device provided in this embodiment is a HUD display device. Specifically, this HUD display device can be applied to an automobile, and also can be applied to a flying apparatus, based on which the polarization selection device is attached to a front windshield that is an automobile or a flying apparatus.
By applying the embodiment of the application, at least the following beneficial effects can be realized:
the optical system and the display device provided by the embodiment of the application can reflect S polarized light and adjust P polarized light, so that the S polarized light and the P polarized light respectively form a first image and a second image through the optical system, and the superposition of the first image and the second image can provide 3D viewing experience for a user.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical 3D image straight", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (10)
1. An optical system is characterized by comprising a light splitting element, a polarization processing structure and a polarization selection device;
the beam splitting element is configured to reflect first S-polarized light onto a polarization selection device such that the polarization selection device reflects the first S-polarized light to form a first image;
the polarization processing structure adjusts the direction of the first P polarized light, so that the first P polarized light after the direction adjustment penetrates through the light splitting element and is projected to the polarization selection device, and the polarization selection device transmits the first P polarized light after the direction adjustment to form a second image;
the first S polarized light and the first P polarized light are display light rays of two adjacent frames of display pictures, and the first image and the second image are overlapped to realize 3D display.
2. The optical system according to claim 1, wherein the spectroscopic element comprises a spectroscopic layer that reflects P-polarized light and reflects S-polarized light and a support structure coupled to the spectroscopic layer that supports the spectroscopic layer.
3. The optical system of claim 2, wherein the polarization-processing structure comprises a first component and a second component;
the first component is used for converting the first P polarized light into second S polarized light and reflecting the second S polarized light to the light splitting element so that the light splitting element reflects the second S polarized light to the second component;
the second component is configured to convert the second S-polarized light into a second P-polarized light, and then reflect the second P-polarized light to the light splitting element, so that the second P-polarized light is transmitted through the light splitting element and projected to the polarization selection device to form the second image.
4. The optical system according to claim 3,
the first assembly comprises a first 1/4 glass slide and a first reflective layer, the first 1/4 glass slide is positioned on the side of the light splitting element away from the incidence of the first S-polarized light, and the first reflective layer is positioned on the side of the first 1/4 glass slide away from the light splitting element;
the second assembly comprises a second 1/4 glass sheet and a second reflecting layer, the second 1/4 glass sheet is located on the side, away from the first S-polarized light, of the light splitting element, and the second reflecting layer is located on the side, away from the light splitting element, of the second 1/4 glass sheet.
5. The optical system according to claim 4, characterized in that the first reflective layer is a curved mirror and/or the second reflective layer is a curved mirror.
6. A display device, comprising:
the optical system of any one of claims 1-5;
the image source is configured to display a display picture according to a set program and project display light to the light splitting element, the display light of two adjacent frames of display pictures is S polarized light and P polarized light respectively, the display light of the two adjacent frames of display pictures forms a first image and a second image after being processed by the optical system respectively, and the first image and the second image are overlapped to form 3D display.
7. The display device of claim 6, further comprising a lens group between the image source and the optical system and including at least one lens for resizing the formed first and second images.
8. The display device according to claim 6, wherein the image source is a display screen, and a switching frequency of the display screen for switching between two adjacent frames is greater than or equal to 100 HZ.
9. The display device according to claim 6, further comprising:
the vision acquisition system is used for acquiring the binocular information of the user;
and the adjusting system is connected with the optical system and the image source and is configured to adjust the distance between the optical system and the image source, the distance between the optical system and the polarization selection device and the included angle between the display light and the horizontal plane according to the binocular information.
10. A display device according to any of claims 6-9, wherein the display device is a HUD display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831535.3A CN113820869B (en) | 2021-07-22 | 2021-07-22 | Optical system and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110831535.3A CN113820869B (en) | 2021-07-22 | 2021-07-22 | Optical system and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113820869A true CN113820869A (en) | 2021-12-21 |
| CN113820869B CN113820869B (en) | 2023-09-26 |
Family
ID=78912755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110831535.3A Active CN113820869B (en) | 2021-07-22 | 2021-07-22 | Optical system and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113820869B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023208907A1 (en) * | 2022-04-27 | 2023-11-02 | Saint-Gobain Glass France | Composite pane with a first reflective layer and a second reflective layer |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014010418A (en) * | 2012-07-03 | 2014-01-20 | Yazaki Corp | Stereoscopic display device and stereoscopic display method |
| CN104827967A (en) * | 2014-02-07 | 2015-08-12 | Lg电子株式会社 | Head-up display apparatus |
| KR101689035B1 (en) * | 2015-07-17 | 2016-12-23 | 엘지전자 주식회사 | Display Device |
| CN109100866A (en) * | 2018-10-22 | 2018-12-28 | 萤欧（上海）汽车科技有限公司 | A kind of vehicle-mounted AR-HUD optical system based on liquid crystal polarized direction rotator |
| CN109143576A (en) * | 2017-06-27 | 2019-01-04 | 京东方科技集团股份有限公司 | Display system and its display methods, the vehicles |
| CN109407315A (en) * | 2018-11-09 | 2019-03-01 | 京东方科技集团股份有限公司 | Display system and its display methods |
| CN109613705A (en) * | 2019-01-18 | 2019-04-12 | 京东方科技集团股份有限公司 | Nearly eye display device and nearly eye display methods |
| CN110031977A (en) * | 2019-03-18 | 2019-07-19 | 惠州市华阳多媒体电子有限公司 | A kind of Double-Screen Display System based on polarization spectro |
| CN110286489A (en) * | 2019-06-26 | 2019-09-27 | 联想(北京)有限公司 | Wearable device |
| CN112346252A (en) * | 2020-11-09 | 2021-02-09 | 京东方科技集团股份有限公司 | Near-to-eye display device |
| CN213069318U (en) * | 2020-10-29 | 2021-04-27 | 舜宇光学（浙江）研究院有限公司 | Catadioptric display optical machine and near-to-eye display equipment |
| TWI726501B (en) * | 2019-11-25 | 2021-05-01 | 宏碁股份有限公司 | Head mounted display |
| US20210181508A1 (en) * | 2019-12-16 | 2021-06-17 | Acer Incorporated | Near-eye display apparatus |
-
2021
- 2021-07-22 CN CN202110831535.3A patent/CN113820869B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014010418A (en) * | 2012-07-03 | 2014-01-20 | Yazaki Corp | Stereoscopic display device and stereoscopic display method |
| CN104827967A (en) * | 2014-02-07 | 2015-08-12 | Lg电子株式会社 | Head-up display apparatus |
| KR101689035B1 (en) * | 2015-07-17 | 2016-12-23 | 엘지전자 주식회사 | Display Device |
| CN109143576A (en) * | 2017-06-27 | 2019-01-04 | 京东方科技集团股份有限公司 | Display system and its display methods, the vehicles |
| CN109100866A (en) * | 2018-10-22 | 2018-12-28 | 萤欧（上海）汽车科技有限公司 | A kind of vehicle-mounted AR-HUD optical system based on liquid crystal polarized direction rotator |
| CN109407315A (en) * | 2018-11-09 | 2019-03-01 | 京东方科技集团股份有限公司 | Display system and its display methods |
| CN109613705A (en) * | 2019-01-18 | 2019-04-12 | 京东方科技集团股份有限公司 | Nearly eye display device and nearly eye display methods |
| CN110031977A (en) * | 2019-03-18 | 2019-07-19 | 惠州市华阳多媒体电子有限公司 | A kind of Double-Screen Display System based on polarization spectro |
| CN110286489A (en) * | 2019-06-26 | 2019-09-27 | 联想(北京)有限公司 | Wearable device |
| TWI726501B (en) * | 2019-11-25 | 2021-05-01 | 宏碁股份有限公司 | Head mounted display |
| US20210181508A1 (en) * | 2019-12-16 | 2021-06-17 | Acer Incorporated | Near-eye display apparatus |
| CN213069318U (en) * | 2020-10-29 | 2021-04-27 | 舜宇光学（浙江）研究院有限公司 | Catadioptric display optical machine and near-to-eye display equipment |
| CN112346252A (en) * | 2020-11-09 | 2021-02-09 | 京东方科技集团股份有限公司 | Near-to-eye display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023208907A1 (en) * | 2022-04-27 | 2023-11-02 | Saint-Gobain Glass France | Composite pane with a first reflective layer and a second reflective layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113820869B (en) | 2023-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106483664B (en) | Head-up display device and vehicle with same | |
| JP7081021B2 (en) | Information display device | |
| KR101131983B1 (en) | A head-up display device for vehicle moving the projecting position of virtual images by the vehicle velocity | |
| TWI541543B (en) | Beam splitting module and projector device using the same | |
| US20100214635A1 (en) | Display device, display method and head-up display | |
| CN206421102U (en) | Head-up display device and the vehicle equipped with the head-up display device | |
| US11738646B2 (en) | Information display apparatus | |
| JPH02299934A (en) | Head-up-display of vehicle | |
| CN111213114A (en) | Information display device and space sensing device thereof | |
| CN114185171A (en) | Head-up display device with variable imaging distance and head-up display system | |
| CN109581667A (en) | A kind of optical projection apparatus for vehicle-mounted head-up display | |
| CN103395393A (en) | Automobile and front windshield projection system thereof | |
| CN219676374U (en) | Display device, head-up display device and vehicle | |
| CN113820869B (en) | Optical system and display device | |
| CN208780912U (en) | A kind of vehicle-mounted head-up display | |
| CN113031264A (en) | Dual optical path projection device and display system | |
| WO2018124299A1 (en) | Virtual image display device and method | |
| CN209014819U (en) | Head-up display device | |
| CN114706224A (en) | Double-screen display optical device and head-mounted display equipment | |
| JP2022554052A (en) | Head-up display without ghost images | |
| JP2500420B2 (en) | Projection type stereoscopic display device | |
| JP2019045605A (en) | Head-up display device | |
| CN111443485B (en) | Stereoscopic head-up display system and method | |
| CN111999893B (en) | VR display module, VR display system and VR glasses | |
| JP3764944B2 (en) | Stereoscopic image display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |