Transparent display device and display equipment

Abstract

The utility model discloses a transparent display device and display equipment, and relates to the technical field of display. The device comprises a first transparent conductive layer, a second transparent conductive layer, an alternating current control unit and a beacon layer located between the first transparent conductive layer and the second transparent conductive layer. As the beacon on the beacon layer is formed by the liquid crystal film which can be switched between the scattering state and the transparent state, when the alternating current control unit is in a closed state, molecules in the liquid crystal film are arranged disorderly and are in a milky opaque state, and a user can observe the white beacon. The liquid crystal film which can be switched between the scattering state and the transparent state can be processed into various shapes in the manufacturing process, so that the free shape of the beacon can be easily realized, and the cost is reduced; in addition, under the action of the communication control unit, the beacon in the transparent display device can be displayed or hidden, and the experience feeling of a user when the user uses the transparent display device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display technical field especially relates to a transparent display device and display equipment. BACKGROUND

[0002] With the development of science and technology, display technology has been widely used in many fields, and people have put forward higher and higher requirements on the performance and function of display devices.

[0003] Traditional display devices are usually some opaque display devices, which hinder people's sight, resulting in that information acquisition and surrounding environment observation cannot be carried out at the same time. Therefore, transparent display devices are proposed to realize good coexistence of display information and surrounding environment, and bring new visual experience and function improvement for users.

[0004] Related transparent display devices usually adopt two kinds of technologies of organic light emitting diode (OLED) and liquid crystal display (LCD). However, when the transparent display device adopting OLED technology is used, it is easy to be constrained in shape by factors such as pixel circuit layout; when the transparent display device adopting LCD technology is used, it is easy to be restricted by the complex cooperation of liquid crystal box and backlight source, resulting in that the beacon with free shape cannot be displayed, and the cost of the two kinds of technologies is relatively high.

[0005] Therefore, how to realize the transparent display device with free beacon shape and low cost to improve the visual experience of users is a technical problem to be solved by people in the field. INVENTION CONTENTS

[0006] The utility model aims at providing a transparent display device and display equipment to solve the technical problem that related transparent display devices usually adopt two kinds of technologies of organic light emitting diode and liquid crystal display, cannot display the beacon with free shape, and the cost of the two kinds of technologies is relatively high.

[0007] In order to solve the above technical problem, the utility model provides a transparent display device, which comprises: a first transparent conductive layer, a second transparent conductive layer, an alternating current control unit and a beacon layer located between the first transparent conductive layer and the second transparent conductive layer.

[0008] The alternating current control unit is connected with the first transparent conductive layer or the second transparent conductive layer.

[0009] The beacon on the beacon layer is formed by liquid crystal film capable of switching between scattering state and transparent state.

[0010] Preferably, the beacon is multiple, and air gap is arranged between the liquid crystal films corresponding to each beacon.

[0011] Preferably, the light source and a direct current control unit connected with the light source are further included.

[0012] The beacon is located in the projection area of the light source.

[0013] Preferably, the light source is multiple, and the light source corresponds to the beacon one by one.

[0014] Preferably, all the light sources are connected with the same direct current control unit, or the light source corresponds to the direct current control unit one by one.

[0015] Preferably, the light source is RGB three-color LED lamp.

[0016] Preferably, the light source, the direct current control unit and the alternating current control unit are located at the bottom of the transparent display device.

[0017] Preferably, the distance between each beacon and the human eye is the same; the light source is incident to the beacon layer through the second transparent conductive layer, the outer surface of the first transparent conductive layer and the inner surface of the second transparent conductive layer are provided with an anti-reflection coating; wherein the outer surface of the first transparent conductive layer is the surface of the first transparent conductive layer away from the beacon layer among all surfaces of the first transparent conductive layer, and the inner surface of the second transparent conductive layer is the surface of the second transparent conductive layer close to the beacon layer among all surfaces of the second transparent conductive layer.

[0018] Preferably, an ambient light sensor is further included; the ambient light sensor is connected with the direct current control unit.

[0019] In order to solve the above technical problems, the utility model further provides a display device, including above-mentioned transparent display device.

[0020] The transparent display device provided by the utility model includes: a first transparent conductive layer, a second transparent conductive layer, an alternating current control unit and a beacon layer between the first transparent conductive layer and the second transparent conductive layer. Since the beacon on the beacon layer is formed by the liquid crystal film capable of switching between the scattering state and the transparent state, when the alternating current control unit is in the off state, the molecules in the liquid crystal film are arranged in disorder at this time, and the white beacon can be observed by the user. And since the liquid crystal film capable of switching between the scattering state and the transparent state can be processed into various shapes in the manufacturing process, it is not subject to the complex restrictions of the cooperation of the liquid crystal box and the backlight source in the LCD, and it is not subject to the constraints of factors such as pixel circuit layout in shape like OLED, so the beacon shape is relatively easy to realize, and the liquid crystal film capable of switching between the scattering state and the transparent state is used in the transparent display device, compared with using OLED or LCD, the cost of the transparent display device is greatly reduced. In addition, the alternating current control unit is connected with the first transparent conductive layer or the second transparent conductive layer, that is, the conduction of the conductive layer can be controlled through the alternating current control unit, so that the beacon formed by the liquid crystal film capable of switching between the scattering state and the transparent state can present different states under the action of the alternating current field and the non-alternating current field. Specifically, under the action of the non-alternating current field, the beacon presents the opaque state of milky white, and the user can observe the white beacon, while under the action of the alternating current field, the beacon presents the transparent colorless state, and the user cannot observe the beacon, so under the action of the alternating current control unit, the display or hiding of the beacon in the transparent display device can be realized, and the experience of the user using the transparent display device is improved.

[0021] In addition, the utility model also provides a kind of display equipment, including the transparent display device described in the foregoing, with the same or corresponding technical features of the above-mentioned transparent display device, effect same above. BRIEF DESCRIPTION OF DRAWINGS

[0022] To more clearly illustrate the utility model embodiments, the following will be needed to use the drawings in the embodiments are briefly introduced, obviously, the following description in the drawings only some embodiments of the utility model, for those skilled in the art, without creative labor, according to these drawings, other drawings can also be obtained.

[0023] Figure 1 A schematic view of a transparent display device provided by the utility model embodiment is shown in the figure.

[0024] Figure 2 A horizontal cross-sectional view of a specific transparent display device provided by the utility model embodiment is shown in the figure.

[0025] Figure 3The transparent display device provided by the embodiment of the present application is shown in the light scattering state.

[0026] Figure 4 The transparent display device provided by the embodiment of the present application is shown in the light scattering state.

[0027] Figure 5 The transparent display device provided by the embodiment of the present application is shown in the light scattering state. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0029] The core of the present application is to provide a transparent display device and display equipment, so as to solve the technical problem that the related transparent display device cannot display the beacon with free shape when adopting the organic light emitting diode and liquid crystal display two technologies, and the cost of the two technologies is high.

[0030] In order for the person skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments. Figure 1 The schematic diagram of the transparent display device provided by the embodiment of the present application is shown in the light scattering state. Figure 1 The transparent display device comprises a first transparent conductive layer, a second transparent conductive layer, an alternating current control unit and a beacon layer between the first transparent conductive layer and the second transparent conductive layer.

[0031] The alternating current control unit is connected with the first transparent conductive layer or the second transparent conductive layer.

[0032] The beacon on the beacon layer is formed by a liquid crystal film capable of switching between the scattering state and the transparent state.

[0033] The material of the first transparent conductive layer and the second transparent conductive layer is not limited. In order to make the first transparent conductive layer and the second transparent conductive layer have good conductivity and light transmittance, the first transparent conductive layer and the second transparent conductive layer are usually made of indium tin oxide (ITO) glass. The beacon layer is arranged between the two, and the beacon is formed by a liquid crystal film capable of switching between a scattering state and a transparent state, such as a common polymer-dispersed liquid crystal (PDLC) film, a suspended-particle device (SPD), etc.

[0034] When the AC control unit is connected with the first transparent conductive layer or the second transparent conductive layer, the liquid crystal film can be controlled to switch between the scattering state and the transparent state by applying different voltage signals. When the liquid crystal film is in the transparent state, light can pass through and the beacon is invisible; when in the scattering state, light is scattered and the beacon becomes clearly visible.

[0035] In practice, it may be necessary to display multiple beacons. In order to avoid optical crosstalk between the beacons, in some embodiments, an air gap is arranged between the liquid crystal films corresponding to each beacon. The air gap arranged is not limited and is determined according to the actual situation.

[0036] In the transparent display device, an air gap is arranged between the liquid crystal films corresponding to each beacon, which avoids interference and blurring of the signal display, improves the clarity and contrast of the display, and enables each beacon to present information more clearly and accurately, thereby improving the display effect.

[0037] In order to improve the user's visual experience, in some embodiments, the transparent display device further comprises a light source and a direct current control unit connected with the light source; the beacon is located in the projection area of the light source.

[0038] The transparent display device increases the light source and the direct current control unit to provide illumination for the beacon, ensuring that the beacon is clearly visible under different ambient light conditions. The beacon is located in the projection area of the light source, ensuring the effectiveness of the illumination, making the beacon display brighter and more eye-catching, and expanding the use environment range of the transparent display device.

[0039] The number of light sources is not limited and can be one or multiple. In some embodiments, when the light source is multiple, the light source is arranged in one-to-one correspondence with the beacon.

[0040] By arranging multiple light sources in one-to-one correspondence with the beacons, precise illumination control of each beacon is achieved. According to the display requirements of different beacons, the brightness, color and other parameters of the corresponding light source can be independently adjusted, making the display more flexible and varied, and meeting the diversified display scenarios, such as partition display of complex information.

[0041] In some embodiments, all the light sources are connected with the same direct current control unit; or, the light sources are connected with the direct current control units one by one.

[0042] The two connection modes of the light sources and the direct current control units provide different control strategy options. Connecting all the light sources with the same direct current control unit facilitates unified control, which is suitable for scenarios that require overall adjustment of display effects, such as uniformly changing brightness; while connecting the light sources with the direct current control units one by one enables fine and independent control of each light source, meeting the differentiated needs for displaying different beacons.

[0043] In some embodiments, the light source is an RGB three-color LED lamp. Using an RGB three-color LED lamp as the light source can mix rich colors by adjusting the brightness of different colors. Different colors of illumination can be provided for the beacons according to actual display content, enhancing the expressiveness of display and the ability of information transmission, for example, differentiating by color when displaying different types of prompt information.

[0044] In some embodiments, the light source, the direct current control unit, and the alternating current control unit are all located at the bottom of the transparent display device.

[0045] By placing the light source, the direct current control unit, and the alternating current control unit at the bottom of the transparent display device, the overall structure of the device is more compact and reasonable. This layout facilitates the connection of lines and the transmission of signals between the units, and also facilitates the installation, maintenance, and management of these components, reducing the overall complexity and maintenance cost of the equipment.

[0046] In order to improve the user's visual experience, in some embodiments, the distances from each beacon to the human eye are the same; the light source is incident to the beacon layer after passing through the second transparent conductive layer, and the outer surface of the first transparent conductive layer and the inner surface of the second transparent conductive layer are both provided with an anti-reflection coating; wherein the outer surface of the first transparent conductive layer is the surface of the first transparent conductive layer that is farthest from the beacon layer among all the surfaces of the first transparent conductive layer, and the inner surface of the second transparent conductive layer is the surface of the second transparent conductive layer that is closest to the beacon layer among all the surfaces of the second transparent conductive layer.

[0047] Setting the distances from each beacon to the human eye to be the same ensures the consistency of vision when the human eye observes the beacons, avoiding visual errors caused by distance differences. Providing the outer surface of the first transparent conductive layer and the inner surface of the second transparent conductive layer with an anti-reflection coating reduces the reflection of light on these surfaces, improves the transmittance of light, makes the display of the beacons clearer, and improves the user's visual experience.

[0048] In practice, ambient light will affect the user's experience when watching the beacons. In order to ensure that the user watches the beacons as much as possible, in some embodiments, the transparent display device further comprises an ambient light sensor; the ambient light sensor is connected with the direct current control unit.

[0049] The transparent display device has the function of automatically adjusting the brightness of the light source by introducing an ambient light sensor and connecting the ambient light sensor with a direct current control unit. The ambient light sensor monitors the ambient light intensity in real time, and the direct current control unit adjusts the brightness of the light source according to the change of the ambient light, so that the transparent display device can maintain good visibility under different ambient light conditions, thereby improving the display effect, saving energy, and improving the comfort of users.

[0050] In order to make the person skilled in the art better understand the transparent display device provided by the utility model, the following describes an embodiment of a specific transparent display device. The transparent display device comprises ITO glass, a PDLC film layer, a direct current control unit, RGB three-color LED lamps, and an alternating current control unit. The ITO glass is responsible for conducting electricity, the PDLC film layer is responsible for displaying beacons, the direct current control unit controls the brightness and color of the LED lamps, and the alternating current control unit controls the transparency of the PDLC film layer. Figure 2 Figure 2 is a horizontal sectional view of a specific transparent display device provided by the embodiment of the utility model. As shown in Figure 2 the figure, from top to bottom, there are ITO glass, a single-layer or multi-layer PDLC film, ITO glass, and RGB three-color LED lamps. Each layer of the PDLC film is composed of multiple areas, and there is an air gap between the areas. The bottom has RGB three-color LED lamps. The PDLC film forms beacons “P”, “R”, “N”, and “D”.

[0051] Figure 3 Figure 3 is a schematic diagram of the light-transparent state of the transparent display device provided by the embodiment of the utility model. When the device is in the light-transparent state, as shown in Figure 3 the figure, the direct current control unit controls the RGB three-color LED lamps to be in an off state, and the alternating current control unit is in an on state. At this time, the PDLC film is in a transparent and colorless state under the action of the alternating current electric field, so that the user cannot observe any beacon or light-emitting object. Figure 4 Figure 4 is a schematic diagram of the light-scattering state of the transparent display device provided by the embodiment of the utility model. When the device is in the light-scattering state, as shown in Figure 4 the figure, the direct current control unit controls the RGB three-color LED lamps to be in an off state, and the alternating current control unit is in an off state. At this time, the high-molecular liquid crystal material of the PDLC film is arranged in disorder, and is in a milky white and opaque state, so that the user can observe the white beacon but the beacon does not emit light. Figure 5 Figure 5 is a schematic diagram of the light-emitting state of the transparent display device provided by the embodiment of the utility model. When the device is in the light-emitting state, as shown in Figure 5As shown, the direct current control unit controls the RGB three-color LED lamp to be in an open state, and the alternating current control unit is in a closed state. At this time, the polymer liquid crystal material of the PDLC film is arranged in disorder, and presents a light-emitting state under the irradiation of the RGB three-color LED lamp. According to the different current configurations of the direct current control unit, the user can observe the light-emitting beacon with different colors and different brightness.

[0052] The transparent display device provided by the utility model includes: a first transparent conductive layer, a second transparent conductive layer, an alternating current control unit and a beacon layer between the first transparent conductive layer and the second transparent conductive layer. Since the beacon on the beacon layer is formed by the liquid crystal film capable of switching between the scattering state and the transparent state, when the alternating current control unit is in the closed state, the molecules in the liquid crystal film are arranged in disorder at this time, and present the opaque state of ivory white, and the user can observe the white beacon. And since the liquid crystal film capable of switching between the scattering state and the transparent state can be processed into various shapes in the manufacturing process, it is not subject to the complex restrictions of the cooperation of the liquid crystal box and the backlight source in the LCD, and is not subject to the constraints on the shape by factors such as pixel circuit layout like OLED, so the beacon shape is relatively easy to realize, and the use of the liquid crystal film capable of switching between the scattering state and the transparent state in the transparent display device greatly reduces the cost of the transparent display device compared with the use of OLED or LCD. In addition, the alternating current control unit is connected with the first transparent conductive layer or the second transparent conductive layer, that is, the conduction of the conductive layer can be controlled through the alternating current control unit, so that the beacon formed by the liquid crystal film capable of switching between the scattering state and the transparent state can present different states under the action of the alternating current field and the non-alternating current field. Specifically, under the action of the non-alternating current field, the beacon presents the opaque state of ivory white, and the user can observe the white beacon, while under the action of the alternating current field, the beacon presents the transparent colorless state, and the user cannot observe the beacon. Therefore, under the action of the alternating current control unit, the display or hiding of the beacon in the transparent display device can be realized, and the experience of the user using the transparent display device is improved. It can be seen that the device can realize the hiding and display of characters, and has the characteristics of miniaturization, low cost and shape freedom.

[0053] The utility model embodiment further provides a display device, including the transparent display device of above. The display device provided by the embodiment includes the transparent display device described above, and the embodiment of the transparent display device has been described in detail above, and the embodiment of the display device will not be repeated here.

[0054] The display device provided by the utility model includes transparent display device. In the transparent display device, it includes first transparent conductive layer, second transparent conductive layer, AC control unit and beacon layer between the first transparent conductive layer and the second transparent conductive layer. Since the beacon on the beacon layer is formed by liquid crystal film capable of switching between scattering state and transparent state, when the AC control unit is in the off state, the molecules in the liquid crystal film are arranged in disorder at this time, and the white beacon can be observed by the user. And since the liquid crystal film capable of switching between scattering state and transparent state can be processed into various shapes in the manufacturing process, it is not subject to the complex restrictions of the cooperation of liquid crystal box and backlight source in LCD, and is not subject to the constraints of pixel circuit layout and other factors on shape in OLED, so the beacon shape is relatively easy to realize, and the liquid crystal film capable of switching between scattering state and transparent state is used in the transparent display device, compared with OLED or LCD, the cost of the transparent display device is greatly reduced. In addition, the AC control unit is connected with the first transparent conductive layer or the second transparent conductive layer, that is, the conduction of the conductive layer can be controlled through the AC control unit, so that the beacon formed by the liquid crystal film capable of switching between scattering state and transparent state can present different states under the action of AC field and without AC field. Specifically, under the action of without AC field, the beacon presents the opaque state of milky white, and the user can observe the white beacon, while under the action of AC field, the beacon presents the transparent colorless state, and the user cannot observe the beacon. Therefore, under the action of the AC control unit, the display or hiding of the beacon in the transparent display device can be realized, the experience of the user using the transparent display device is improved, and the experience of the user using the display device is improved.

[0055] The transparent display device and the display device provided by the utility model are described in detail above. The embodiments in the specification are described in a progressive manner, and each embodiment mainly describes the differences from other embodiments. The same or similar parts of each embodiment can be referred to. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the method part. It should be noted that for ordinary skilled in the art, without departing from the principles of the utility model, the utility model can be improved and modified in many ways, and these improvements and modifications also fall within the protection scope of the utility model.

[0056] It also needs to be explained that in the present specification, the relational terms such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A transparent display device, characterized by, The transparent display device comprises: a first transparent conductive layer, a second transparent conductive layer, an AC control unit, and a beacon layer between the first transparent conductive layer and the second transparent conductive layer; the AC control unit is connected with the first transparent conductive layer or the second transparent conductive layer; the beacon on the beacon layer is formed by a liquid crystal film capable of switching between a scattering state and a transparent state. 2.The transparent display device of claim 1, wherein, The beacons are multiple, and air gaps are arranged between the liquid crystal films corresponding to the beacons. 3.The transparent display device of claim 2, wherein, The transparent display device further comprises a light source and a DC control unit connected with the light source. The beacons are located in the projection area of the light source. 4.The transparent display device of claim 3, wherein, The light source is multiple, and the light source corresponds to the beacon one by one. 5.The transparent display device of claim 4, wherein, All the light sources are connected with the same DC control unit; or, the light source corresponds to the DC control unit one by one. 6.The transparent display apparatus according to any one of claims 3 to 5, characterized in that, The light source is an RGB three-color LED lamp. 7.The transparent display apparatus according to any one of claims 3 to 5, characterized in that, The light source, the DC control unit, and the AC control unit are located at the bottom of the transparent display device. 8.The transparent display apparatus according to any one of claims 3 to 5, characterized in that, The distance from each beacon to the human eye is the same; the light source is incident to the beacon layer after passing through the second transparent conductive layer, and the outer surface of the first transparent conductive layer and the inner surface of the second transparent conductive layer are both provided with an anti-reflection coating; wherein the outer surface of the first transparent conductive layer is the surface of the first transparent conductive layer far from the beacon layer among all surfaces of the first transparent conductive layer, and the inner surface of the second transparent conductive layer is the surface of the second transparent conductive layer close to the beacon layer among all surfaces of the second transparent conductive layer. 9.The transparent display apparatus according to any one of claims 3 to 5, characterized in that, The transparent display device further comprises an ambient light sensor; the ambient light sensor is connected with the DC control unit.

10. A display device, characterized by The transparent display device comprises any one of claims 1 to 9. The transparent display device comprises any one of claims 1 to 9.

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