Augmented reality glasses and AR display panel

Abstract

The utility model discloses an AR display panel, comprising a transparent display screen comprising a pixel array formed by a plurality of pixel points, each pixel point has a transparent state and a shading state, when the transparent display screen is powered on, part of the pixel points are in the shading state, and when the transparent display screen is powered off, all the pixel points are in the transparent state; and the semi-transparent and semi-reflective layer is arranged inside or on the surface of the transparent display screen. The AR display panel can improve the display quality of the augmented reality glasses. The utility model also discloses a pair of augmented reality glasses, which comprises the AR display panel.

Description

Technical Field

[0001] The utility model relates to augmented reality technology, and in particular to augmented reality glasses and an AR display panel. Background Art

[0002] AR glasses, full name is Augmented Reality (AR) glasses, which superimpose digital information in the user's field of view through built-in components such as displays, cameras and sensors, thereby enhancing the user's perception and interaction with the real world.

[0003] In order to enable the wearer to see the real world, the display used in AR glasses is generally a transparent display, such as a PMOLED display or a normally white LCD display, so that the ambient light from the real world can pass through the transparent display and enter the wearer's eyes.

[0004] However, when wearing AR glasses, the transparent display screen is not in close contact with the eyes, and there is a gap between the two for light to enter. That is to say, ambient light not only enters the eyes through the transparent display screen on the side opposite to the eyes, but also enters the eyes by being reflected by the transparent display screen on the same side as the eyes. There is a difference in light intensity between the transmitted light on the opposite side and the reflected light on the same side, which will reduce the display quality. Utility Model Content

[0005] In order to solve the above-mentioned deficiencies in the prior art, the present invention provides an AR display panel, which can improve the display quality of augmented reality glasses.

[0006] The utility model also provides augmented reality glasses, comprising the above-mentioned AR display panel.

[0007] The technical problem to be solved by the present invention is achieved through the following technical solutions:

[0008] An AR display panel, comprising:

[0009] A transparent display screen includes a pixel array composed of a plurality of pixels, each pixel having a transparent state and a light-shielding state. When the transparent display screen is powered on, some of the pixels are in the light-shielding state, and when the transparent display screen is powered off, all of the pixels are in the transparent state.

[0010] The semi-transmissive and semi-reflective layer is arranged inside or on the surface of the transparent display screen.

[0011] Furthermore, the semi-transmissive and semi-reflective layer is an aluminum-plated reflective film with a thickness of 10-100 nm.

[0012] Furthermore, the transparent display screen is a PMOLED screen or a normally white LCD screen.

[0013] Furthermore, the transparent display screen includes an upper polarizer, an upper substrate, a liquid crystal layer, a lower substrate and a lower polarizer stacked in sequence from top to bottom, wherein the polarization direction of the upper polarizer is parallel to the polarization direction of the lower polarizer.

[0014] Furthermore, the semi-transmissive and semi-reflective layer is arranged between the upper polarizer and the upper substrate, or the semi-transmissive and semi-reflective layer is arranged between the lower polarizer and the lower substrate.

[0015] Furthermore, the lower substrate includes a lower glass substrate, a pixel array layer, an OC flat layer and a PI alignment layer stacked in sequence from bottom to top.

[0016] Furthermore, the semi-transmissive and semi-reflective layer is disposed between the lower glass substrate and the pixel array layer, and is separated from the pixel array layer by an insulating layer.

[0017] Furthermore, the AR display panel also includes a collimating lens array layer, and the collimating lens array layer is arranged on the surface of the transparent display screen facing the eyes.

[0018] Furthermore, the collimating lens array layer includes a transparent base film and a collimating lens array microstructure formed on a surface of the transparent base film away from the transparent display screen.

[0019] A pair of augmented reality glasses comprises a glasses frame, two glasses legs, a mainboard module and the above-mentioned AR display panel, wherein the two glasses legs are respectively connected to opposite sides of the glasses frame, the AR display panel is arranged in the glasses frame, and the mainboard module is arranged in one of the glasses legs and is electrically connected to the AR display panel.

[0020] The present invention has the following beneficial effects: the AR display panel of the present invention reduces the light intensity of the opposite-side transmitted light on the side opposite to the eye and increases the light intensity of the same-side reflected light on the same side as the eye by arranging the semi-transmissive and semi-reflective layer inside or on the surface of the transparent display screen, thereby reducing the light intensity difference between the opposite-side transmitted light and the same-side reflected light, and improving the display quality; specifically, when the ambient light on the side opposite to the eye reaches the transparent display screen, most of the ambient light passes through the transparent display screen to form the opposite-side transmitted light, and a small part is reflected by the transparent display screen to form the opposite-side reflected light; when the ambient light on the same side as the eye reaches the transparent display screen, most of the ambient light passes through the transparent display screen to form the same-side transmitted light, and a small part is reflected by the transparent display screen to form the same-side reflected light; the semi-transmissive and semi-reflective layer can increase the reflectivity of the transparent display screen and reduce the transmittance of the transparent display screen, so that the opposite-side transmitted light becomes smaller and the same-side reflected light becomes larger, thereby reducing the light intensity difference between the opposite-side transmitted light and the same-side reflected light. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the stacking structure of the AR display panel provided by the present invention.

[0022] Figure 2 This is a schematic diagram of the stacking structure of another AR display panel provided by the present invention.

[0023] Figure 3 This is a schematic diagram of the stacking structure of another AR display panel provided by the present invention.

[0024] Figure 4 This is a schematic diagram of the stacking structure of the lower substrate in another AR display panel provided by the present invention.

[0025] Figure 5 This is a schematic diagram of the stacking structure of another AR display panel provided by the present invention.

[0026] Figure 6 This is a schematic structural diagram of the augmented reality glasses provided by the present invention. DETAILED DESCRIPTION

[0027] The present invention is described in detail below with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first," "second," or "third" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0030] In this utility model, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," "fixed," and "set" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0031] Example 1

[0032] like Figure 1 As shown, an AR display panel includes:

[0033] The transparent display screen 11 includes a pixel array composed of a plurality of pixels, each pixel having a transparent state and a light-shielding state. When the transparent display screen 11 is powered on, some of the pixels are in the light-shielding state. When the transparent display screen 11 is powered off, all of the pixels are in the transparent state.

[0034] The transflective layer 12 is disposed inside or on the surface of the transparent display screen 11 .

[0035] The AR display panel of the present invention is provided with the semi-transmissive and semi-reflective layer 12 inside or on the surface of the transparent display screen 11 to reduce the light intensity of the opposite-side transmitted light λt1 on the side opposite to the eye and increase the light intensity of the same-side reflected light λr2 on the same side as the eye, thereby reducing the light intensity difference between the opposite-side transmitted light λt1 and the same-side reflected light λr2 and improving the display quality. Specifically, when the ambient light λ1 on the side opposite to the eye reaches the transparent display screen 11, most of it passes through the transparent display screen 11 to form the opposite-side transmitted light λt1, and a small part is reflected by the transparent display screen 11. The opposite side reflected light λr1 is formed. When the ambient light λ2 on the same side as the eye reaches the transparent display screen 11, most of it passes through the transparent display screen 11 to form the same side transmitted light λt2, and a small part is reflected by the transparent display screen 11 to form the same side reflected light λr2. The semi-transparent and semi-reflective layer 12 can increase the reflectivity of the transparent display screen 11 and reduce the transmittance of the transparent display screen 11, so that the opposite side transmitted light λt1 becomes smaller and the same side reflected light λr2 becomes larger, thereby reducing the light intensity difference between the opposite side transmitted light λt1 and the same side reflected light λr2.

[0036] In this embodiment, the semi-transmissive and semi-reflective layer 12 is an aluminum-plated reflective film with a thickness of 10-100 nm.

[0037] The transparent display screen 11 may be, but is not limited to, a PMOLED screen or a normally white LCD screen.

[0038] Example 2

[0039] As an optimization solution of embodiment 1, in this embodiment, if Figure 2 and 3 As shown, the transparent display screen 11 is a normally white LCD screen, including an upper polarizer 111, an upper substrate 112, a liquid crystal layer 113, a lower substrate 114 and a lower polarizer 115 stacked in sequence from top to bottom, wherein the polarization direction of the upper polarizer 111 is parallel to the polarization direction of the lower polarizer 115.

[0040] The liquid crystal material in the liquid crystal layer 113 has glare properties. When the transparent display screen 11 is powered on, it can generate a deflection electric field. Under the action of the deflection electric field, the liquid crystal material deflects 90°, thereby causing the polarization direction of the ambient light to rotate 90°. When the transparent display screen 11 is powered off, it does not generate a deflection electric field, the liquid crystal material is not deflected, and the polarization direction of the ambient light is not changed.

[0041] When the ambient light passes through the upper polarizer 111 and the lower polarizer 115, part of the linear polarized light whose polarization direction is perpendicular to the polarization direction of the upper polarizer 111 and the lower polarizer 115 cannot pass through, while part of the linear polarized light whose polarization direction is parallel to the polarization direction of the upper polarizer 111 and the lower polarizer 115 can pass through smoothly; because the polarization direction of the upper polarizer 111 is parallel to the polarization direction of the lower polarizer 115, when the transparent display screen 11 is powered on, the liquid crystal material of some pixels is deflected by 90°, and part of the linear polarized light that passes through one of the upper polarizer 111 and the lower polarizer 115 cannot pass through the upper polarizer 111 and the lower polarizer 115. The other of the upper polarizer 111 and the lower polarizer 115 puts some pixels of the transparent display screen 11 in a light-shielding state, while presenting display content such as text, so that the eyes can see the real world and the display content at the same time through the transparent display screen 11; when the transparent display screen 11 is powered off, the liquid crystal materials of all pixels are not deflected, and all linearly polarized light passing through one of the upper polarizer 111 and the lower polarizer 115 can pass through the other of the upper polarizer 111 or the lower polarizer 115, so that all pixels of the transparent display screen 11 are in a transparent state, and the eyes can see the real world alone through the transparent display screen 11.

[0042] like Figure 2 As shown, the semi-transmissive and semi-reflective layer 12 is disposed between the upper polarizer 111 and the upper substrate 112, or as shown in FIG. Figure 3As shown, the semi-transparent and semi-reflective layer 12 is arranged between the lower polarizer 115 and the lower substrate 114. Specifically, the semi-transparent and semi-reflective layer 12 can be plated on the surface of the upper substrate 112 facing the upper polarizer 111, or on the surface of the lower substrate 114 facing the lower polarizer 115.

[0043] The lower substrate 114 includes a lower glass substrate 1141 and a pixel array layer 1142 disposed on the surface of the lower glass substrate 1141 facing the upper substrate 112 . The upper substrate 112 includes an upper glass substrate 1121 and a common electrode layer 1122 disposed on the surface of the upper glass substrate 1121 facing the lower substrate 114 .

[0044] Specifically, such as Figure 4 As shown, the lower substrate 114 includes a lower glass substrate 1141, a pixel array layer 1142, an OC flat layer 1144 and a PI orientation layer 1145 stacked in sequence from bottom to top, and the semi-transparent and semi-reflective layer 12 is arranged between the lower glass substrate 1141 and the pixel array layer 1142, and is separated from the pixel array layer 1142 by an insulating layer 1143.

[0045] The pixel array layer 1142 includes a plurality of pixel electrodes and a plurality of TFT transistors. One pixel electrode corresponds to one pixel point, and one TFT transistor is connected to control the on and off of one pixel electrode.

[0046] Example 3

[0047] As an optimization solution of embodiment 1 or embodiment 2, in this embodiment, if Figure 5 As shown, the AR display panel further includes a collimating lens array layer 13 , and the collimating lens array layer 13 is disposed on a surface of the transparent display screen 11 facing the eyes.

[0048] The AR display panel of the present invention arranges the collimating lens array layer 13 on the surface of the transparent display screen 11 facing the eye, and uses the collimating lens array layer 13 to collimate the opposite side transmitted light λt1 and the opposite side reflected light λr1, so that the opposite side transmitted light λt1 and the opposite side reflected light λr1 are incident on the eye as parallel light, thereby reducing the distance between the transparent display screen 11 and the eye without affecting the field of view.

[0049] In this embodiment, the collimating lens array layer 13 includes a transparent base film and a collimating lens array microstructure formed on the surface of the transparent base film away from the transparent display screen 11. The collimating lens array microstructure is a series of raised prism microstructures, the prism width of which is 0.3-3.0 mm, the prism height is between 0.5-4.0 mm, the prism angle is between 40-70°, and the prism spacing is between 0.03-4.00 mm.

[0050] Example 4

[0051] like Figure 6 As shown, a pair of augmented reality glasses includes a glasses frame 20, two glasses legs 30, a mainboard module 40, and the AR display panel 10 described in Example 1, Example 2, or Example 3. The two glasses legs 30 are respectively connected to opposite sides of the glasses frame 20, the AR display panel 10 is arranged in the glasses frame 20, and the mainboard module 40 is arranged in one of the glasses legs 30 and is electrically connected to the AR display panel 10.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention rather than to limit them. Although the embodiments of the present invention are described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An AR display panel, characterized in that: include: A transparent display screen includes a pixel array composed of a plurality of pixels, each pixel having a transparent state and a light-shielding state. When the transparent display screen is powered on, some of the pixels are in the light-shielding state, and when the transparent display screen is powered off, all of the pixels are in the transparent state. The semi-transmissive and semi-reflective layer is arranged inside or on the surface of the transparent display screen.

2. The AR display panel according to claim 1, wherein: The semi-transmissive and semi-reflective layer is an aluminum-plated reflective film with a thickness of 10-100 nm.

3. The AR display panel according to claim 1, wherein: The transparent display screen is a PMOLED screen or a normally white LCD screen.

4. The AR display panel according to claim 1, wherein: The transparent display screen includes an upper polarizer, an upper substrate, a liquid crystal layer, a lower substrate and a lower polarizer stacked in sequence from top to bottom, wherein the polarization direction of the upper polarizer is parallel to the polarization direction of the lower polarizer.

5. The AR display panel according to claim 4, wherein: The semi-transmissive and semi-reflective layer is arranged between the upper polarizer and the upper substrate, or the semi-transmissive and semi-reflective layer is arranged between the lower polarizer and the lower substrate.

6. The AR display panel according to claim 4, wherein: The lower substrate includes a lower glass substrate, a pixel array layer, an OC flat layer and a PI alignment layer which are stacked in sequence from bottom to top.

7. The AR display panel according to claim 6, wherein: The semi-transmissive and semi-reflective layer is disposed between the lower glass substrate and the pixel array layer, and is separated from the pixel array layer by an insulating layer.

8. The AR display panel according to claim 1, wherein: The AR display panel further includes a collimating lens array layer, which is arranged on a surface of the transparent display screen facing the eyes.

9. The AR display panel according to claim 8, wherein: The collimating lens array layer includes a transparent base film and a collimating lens array microstructure formed on a surface of the transparent base film on a side away from the transparent display screen.

10. An augmented reality glasses, characterized in that: The present invention comprises a glasses frame, two glasses legs, a mainboard module and the AR display panel according to claim 1, wherein the two glasses legs are respectively connected to opposite sides of the glasses frame, the AR display panel is arranged in the glasses frame, and the mainboard module is arranged in one of the glasses legs and is electrically connected to the AR display panel.

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