阅读说明：本技术 一种透明显示屏幕 (Transparent display screen ) 是由 陈烨玥 童彬彬 汤越超 金微 马广剑 于 2021-03-17 设计创作，主要内容包括：本发明涉及显示屏领域,公开了一种透明显示屏幕,其技术方案要点是包括相对设置的透明显示面板和光线调节板,光线调节板包括第一透明电极、光线调节层和第二透明电极,通过锂离子在第一透明电极和第二透明电极之间流动,当透明显示面板背面处环境光的强度较小时,锂离子从电致变色层通过离子传导层流向离子存储层,使得电致变色层的颜色由深色变为浅色,增加电致变色层的透光率,当透明显示面板背面处环境光的强度较大时,锂离子从离子存储层通过离子传导层流向电致变色层,使得电致变色层的颜色由浅色变为深色,减少电致变色层的透光率,使得照射到透明显示面板背面处环境光的强度被控制,防止光线透过透明显示面板的背面。(The invention relates to the field of display screens, and discloses a transparent display screen, which has the technical scheme that the transparent display screen comprises a transparent display panel and a light adjusting plate which are oppositely arranged, wherein the light adjusting plate comprises a first transparent electrode, a light adjusting layer and a second transparent electrode, lithium ions flow between the first transparent electrode and the second transparent electrode through the lithium ions, when the intensity of ambient light on the back surface of the transparent display panel is small, the lithium ions flow from an electrochromic layer to an ion storage layer through an ion conducting layer, so that the color of the electrochromic layer is changed from dark color to light color, the light transmittance of the electrochromic layer is increased, when the intensity of the ambient light on the back surface of the transparent display panel is large, the lithium ions flow from the ion storage layer to the electrochromic layer through the ion conducting layer, the color of the electrochromic layer is changed from light color to dark color, the light transmittance of the electrochromic layer is reduced, and the intensity of the ambient light irradiated, preventing light from passing through the back of the transparent display panel.)

1. The utility model provides a transparent display screen, includes relative transparent display panel and the light regulating plate that sets up, the light regulating plate includes first transparent electrode, light regulation layer and the transparent electrode of second, first transparent electrode light regulation layer with the transparent electrode of second is according to the orientation transparent display panel's direction sets gradually its characterized in that: the light adjusting layer is used for changing light transmittance and comprises an ion storage layer, an ion conducting layer and an electrochromic layer, the ion storage layer, the ion conducting layer and the electrochromic layer are sequentially arranged in the direction towards the transparent display panel, the ion conducting layer is used for conducting lithium ions, and the ion storage layer is used for storing the lithium ions.

2. A transparent display screen according to claim 1, wherein: and one side of the first transparent electrode, which is far away from the transparent display panel, is fixedly connected with a transparent substrate.

3. A transparent display screen according to claim 2, wherein: the first transparent electrode and the second transparent electrode are made of FTO.

4. A transparent display screen according to claim 3, wherein: the electrochromic layer is coated on the first transparent electrode, and the ion storage layer is coated on the second transparent electrode.

5. A transparent display screen according to claim 4, wherein: the electrochromic layer is made of tungsten oxide, the ion conducting layer is made of Li salt, and the ion storage layer is made of nickel oxide.

6. A transparent display screen according to claim 5, wherein: the light ray adjusting layer further comprises a control unit, and the control unit is used for adjusting voltage between the first transparent electrode and the second transparent electrode.

7. A transparent display screen according to claim 6, wherein: the light regulating plate orientation a plurality of photosensitive element of one side fixedly connected with of transparent display panel, photosensitive element is used for detecting light intensity, photosensitive element with the control unit electric connection.

8. A transparent display screen according to claim 7, wherein: the plurality of photosensitive elements are distributed on the first transparent electrode, and the distance between every two adjacent photosensitive elements is larger than the width of the photosensitive elements.

9. A transparent display screen according to claim 8, wherein: the distance between the transparent display panel and the first transparent electrode is less than twice the thickness of the photosensitive element.

10. A transparent display screen according to claim 4, wherein: the transparent display panel is a transparent OLED display panel.

Technical Field

The invention relates to the field of display screens, in particular to a transparent display screen.

Background

The transparent display screen can be transparent as glass, and can ensure rich colors and detail display of dynamic pictures while keeping transparency, so that the transparent display screen has more application occasions, can be used as a screen, and can replace transparent plate glass;

however, when the existing transparent display screen is used and the external environment light intensity is large, light can penetrate to the front side from the back side of the transparent display screen, so that the picture displayed by the transparent display screen is not clear, and the visual impression of a user is influenced.

Disclosure of Invention

In view of the disadvantages of the prior art, an object of the present invention is to provide a transparent display screen for reducing the amount of light transmitted through the back of the transparent display screen.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a transparent display screen, includes relative transparent display panel and the light regulating plate who sets up, the light regulating plate includes first transparent electrode, light adjustment layer and the transparent electrode of second, first transparent electrode the light adjustment layer with the transparent electrode of second is according to the orientation transparent display panel's direction sets gradually, the light adjustment layer is used for changing the light transmissivity, the light adjustment layer includes ion storage layer, ion conduction layer and electrochromic layer, the ion storage layer the ion conduction layer with electrochromic layer sets gradually according to the orientation transparent display panel's direction, ion conduction layer is used for conducting lithium ion, the ion storage layer is used for storing lithium ion.

As a further improvement of the present invention, a transparent substrate is fixedly connected to a side of the first transparent electrode facing away from the transparent display panel.

As a further improvement of the present invention, the material of the first transparent electrode and the second transparent electrode is FTO.

As a further improvement of the present invention, the electrochromic layer is coated on the first transparent electrode, and the ion storage layer is coated on the second transparent electrode.

As a further improvement of the present invention, the material of the electrochromic layer is tungsten oxide, the material of the ion conducting layer is Li salt, and the material of the ion storage layer is nickel oxide.

As a further improvement of the present invention, the light ray adjusting layer further comprises a control unit, and the control unit is used for adjusting the voltage between the first transparent electrode and the second transparent electrode.

As a further improvement of the present invention, a plurality of photosensitive elements are fixedly connected to one side of the light-adjusting plate facing the transparent display panel, the photosensitive elements are used for detecting light intensity, and the photosensitive elements are electrically connected to the control unit.

As a further improvement of the present invention, a plurality of the photosensitive elements are distributed on the first transparent electrode, and the distance between every two adjacent photosensitive elements is greater than the width of the photosensitive elements.

As a further improvement of the present invention, a distance between the transparent display panel and the first transparent electrode is less than twice a thickness of the photosensitive element.

As a further improvement of the present invention, the transparent display panel is a transparent OLED display panel.

The invention has the beneficial effects that: according to the invention, by arranging the electrochromic layer, the ion conducting layer and the ion storage layer, lithium ions flow between the first transparent electrode and the second transparent electrode, when the intensity of ambient light at the back of the transparent display panel is lower, the lithium ions flow from the electrochromic layer to the ion storage layer through the ion conducting layer, so that the color of the electrochromic layer is changed from dark color to light color, the light transmittance of the electrochromic layer is increased, when the intensity of ambient light at the back of the transparent display panel is higher, the lithium ions flow from the ion storage layer to the electrochromic layer through the ion conducting layer, so that the color of the electrochromic layer is changed from light color to dark color, the light transmittance of the electrochromic layer is reduced, the intensity of the ambient light irradiated to the back of the transparent display panel is controlled, and light is prevented from penetrating through the back of the.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Reference numerals: 1. a transparent display panel; 2. a light adjusting plate; 21. a first transparent electrode; 22. a light ray adjusting layer; 221. an electrochromic layer; 222. an ion conducting layer; 223. an ion storage layer; 23. a second transparent electrode; 3. a control unit; 4. and a photosensitive element.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, the transparent display screen of this embodiment includes a transparent display panel and a light adjustment plate which are arranged relatively, and the transparent display panel and the light adjustment plate are mutually attached by an optical cement, the transparent display panel is a transparent OLED display panel, the light adjustment plate includes a first transparent electrode, a light adjustment layer and a second transparent electrode, the first transparent electrode, the light adjustment layer and the second transparent electrode are sequentially arranged according to a direction of the transparent display panel, the first transparent electrode and the second transparent electrode are made of FTO, the FTO has good conductive performance, can better adjust a voltage between the first transparent electrode and the second transparent electrode, the light adjustment layer is used for changing a light transmittance, the light adjustment layer further includes a control unit, the control unit is used for adjusting a voltage between the first transparent electrode and the second transparent electrode, according to the intensity of the ambient light on the back of the transparent display panel, the intensity of the ambient light at the position is detected by a plurality of photosensitive elements, one side of the light adjusting plate, which faces the transparent display panel, is fixedly connected with a plurality of photosensitive elements, the photosensitive elements are used for detecting the light intensity, the photosensitive elements are electrically connected with the control unit, the photosensitive elements can enable the photoelectric sensors to sense the intensity of the ambient light through the photosensitive elements and transmit the intensity information of the ambient light to the control unit, the control unit adjusts the voltage of the first transparent electrode and the second transparent electrode according to the received intensity information of the ambient light, when the intensity of the external ambient light is weak, the control unit adjusts the voltage, so that lithium ions of the electrochromic layer enter the ion storage layer through the ion conducting layer to be stored, and the color of the electrochromic layer is changed from dark color to light color, the light ray adjusting layer comprises an ion storage layer, an ion conducting layer and an electrochromic layer, the electrochromic layer is coated on the first transparent electrode, the ion storage layer is coated on the second transparent electrode, the ion storage layer, the ion conducting layer and the electrochromic layer are sequentially arranged in a direction facing the transparent display panel, the ion conducting layer is used for conducting lithium ions, and the ion storage layer is used for storing lithium ions, the electrochromic layer is made of tungsten oxide, the ion conducting layer is made of Li salt, and the ion storage layer is made of nickel oxide.

Referring to fig. 1, a transparent substrate is fixedly connected to a side of the first transparent electrode away from the transparent display panel, the transparent substrate is configured to prevent the first transparent electrode from leaking electricity, a transparent substrate is also fixedly connected to a side of the second transparent electrode facing the transparent display panel, and the transparent display panel may be a transparent organic electroluminescent diode display panel or a liquid crystal display panel.

Referring to fig. 1, the plurality of photosensitive elements are scattered on the first transparent electrode, and the distance between every two adjacent photosensitive elements is greater than the width of the photosensitive element, so that on the basis of a certain number of photosensitive elements, the photosensitive elements are prevented from being wasted, and the intensity of the ambient light acquired by the photosensitive elements is more accurate. Transparent display panel with distance between the first transparent electrode is less than photosensitive element thickness's twice for there is certain clearance between photosensitive element and the transparent display panel, when acquireing ambient light intensity information, avoids the influence of external light to photosensitive element testing result.

The working principle is as follows: according to the intensity of the ambient light on the back of the transparent display panel, the intensity of the ambient light at the position is detected by a plurality of photosensitive elements, the photosensitive elements sense the intensity of the ambient light and transmit the intensity information of the ambient light to the control unit, the control unit adjusts the voltage of the first transparent electrode and the second transparent electrode according to the received intensity information of the ambient light, when the intensity of the external ambient light is weaker, the control unit adjusts the voltage, so that lithium ions in the electrochromic layer enter the ion storage layer through the ion conduction layer to be stored, the color of the electrochromic layer is changed from dark color to light color, the light transmittance of the electrochromic layer is increased, when the intensity of the external environment is stronger, the control unit adjusts the voltage, so that the lithium ions in the ion storage layer enter the electrochromic layer through the ion conduction layer, and the color of the electrochromic layer is changed from light color to dark color, the light transmittance of the electrochromic layer is reduced, and the light transmittance of the electrochromic layer can be adjusted in real time, so that light cannot penetrate from the back to the front of the transparent display panel.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.