CN214122627U - Transparent display screen and transparent display device - Google Patents
Transparent display screen and transparent display device Download PDFInfo
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- CN214122627U CN214122627U CN202023345377.0U CN202023345377U CN214122627U CN 214122627 U CN214122627 U CN 214122627U CN 202023345377 U CN202023345377 U CN 202023345377U CN 214122627 U CN214122627 U CN 214122627U
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Abstract
The utility model provides a transparent display screen and transparent display device relates to and shows technical field, this transparent display screen, include: the display panel comprises a transparent display panel and a light adjusting plate positioned on the back of the transparent display panel; the light adjusting plate comprises an optical medium layer, the optical medium layer is used for adjusting the transmittance of ambient light, when a first area of the transparent display panel displays an image, the transmittance of a first adjusting area on the optical medium layer is smaller than or equal to a first preset threshold, and the first adjusting area corresponds to the first area. The utility model discloses an increase optical medium layer in transparent display panel back one side, reduce the light transmissivity that the ambient light incides transparent display panel and show the regional back of image through this optical medium layer to realize improving the purpose of contrast.
Description
Technical Field
The utility model belongs to the technical field of show, especially, relate to a transparent display screen and transparent display device.
Background
With the development of display technology, transparent display screens (transparent displays) have attracted attention as new applications appearing in recent years, and the technology has greatly expanded the scenes and orientations of display applications.
Transparent display screen is that the display screen itself has the penetrability of certain degree, the environment background at the display screen back that can be clear. The transparent display screen is suitable for various scenes such as building windows, automobile windows, shop windows and the like. Besides the original transparent display function, the display device has the potential for development as an information display in the future, and is thus drawing great attention from the market.
However, the current transparent display screen has a problem: outside environment light can be from transparent display screen's back incidence and pierce through and reach the display surface, when transparent display screen is showing the image, if external environment light is stronger, people can see the image that needs show simultaneously on the display screen and the environment that the display screen back is located, and both take place to overlap, can cause the contrast lower, show that the quality is not good. Therefore, how to improve the contrast of the transparent display screen is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a transparent display screen and transparent display device increases optical medium layer in transparent display panel back one side, reduces the transmittance that the ambient light incides transparent display panel and shows the regional back of image through this optical medium layer to realize improving the mesh of contrast.
In a first aspect, an embodiment of the present invention provides a transparent display screen including: the display panel comprises a transparent display panel and a light adjusting plate positioned on the back of the transparent display panel, wherein ambient light is transmitted to the back of the transparent display panel through the light adjusting plate;
the light adjusting plate comprises an optical medium layer, the optical medium layer is used for adjusting the transmittance of ambient light, when an image is displayed in a first area of the transparent display panel, the light transmittance of a first adjusting area on the optical medium layer is smaller than or equal to a first preset threshold, and the first adjusting area corresponds to the first area.
The embodiment of the utility model provides a transparent display screen, this transparent display screen have increased the light regulating plate in transparent display panel's back one side, and this light regulating plate includes optical medium layer, reduces the transmittance that the ambient light incides transparent display panel display image area's the back through this optical medium layer to realize improving the purpose of contrast.
With reference to the first aspect, when the second transparent display area does not display an image, the light transmittance of the second adjustment area on the optical medium layer is greater than a second preset threshold, and the second adjustment area corresponds to the second area. In this implementation, the light transmittance of the second adjustment region on the optical medium layer corresponding to the second region where no image is displayed is increased, and the contrast can be further enhanced.
With reference to the first aspect, the light-regulating plate further comprises a transparent electrode layer and a transparent protective layer; the optical medium layer is positioned between the transparent electrode layer and the transparent protective layer. The transparent electrode layer is used for applying voltage to the optical medium layer to enable the light transmittances of the first adjusting region and the second adjusting region to be different.
In this implementation, the transparent electrode layer is used to apply a voltage to the optical medium layer, and the transparent protective layer is used to protect the optical medium layer.
With reference to the first aspect, the transparent protection layer is located at a side close to the back surface of the transparent display panel, or the transparent electrode layer is located at a side close to the back surface of the transparent display panel.
In combination with the first aspect, the transparent protective layer includes: at least one layer of transparent organic material, and/or at least one layer of transparent inorganic material. In this implementation, when a plurality of transparent organic material layers and/or transparent inorganic material layers are provided, the protective ability can be improved.
With reference to the first aspect, the transparent electrode layer has the same structure as a driving electrode layer included in the transparent display panel. In this implementation, when driving the liquid crystal in the optical medium layer and the transparent display panel, the region in which the transmittance of the optical medium layer changes may be controlled to correspond to the region displayed by the transparent display panel.
With reference to the first aspect, the driving electrode layer includes a plurality of first scan lines and a plurality of first data lines, and the transparent electrode layer includes a plurality of second scan lines and a plurality of second data lines; the first scanning lines are in one-to-one correspondence with and connected to the second scanning lines, and the first data lines are in one-to-one correspondence with and connected to the second data lines.
With reference to the first aspect, the transparent display panel is a transparent liquid crystal display panel or a transparent organic light emitting diode display panel.
With reference to the first aspect, the optical medium layer includes at least one of nano conductive particles, electronic ink, and liquid crystal.
In a second aspect, an embodiment of the present invention provides a transparent display device, including a driving device and a transparent display screen provided in any possible implementation manner of the first aspect or the first aspect, where the driving device is configured to drive the transparent display screen to display.
The utility model provides a transparent display device, in transparent display device, transparent display screen has increased the light regulating plate in transparent display panel's back one side, and this light regulating plate includes the optical medium layer, reduces the transmittance that the ambient light incides transparent display panel and shows the regional back of image through this optical medium layer to realize the purpose that improves the contrast.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a transparent display screen provided in an embodiment of the present invention when not powered;
FIG. 2 is a schematic diagram of the transparent display screen of FIG. 1 when powered;
fig. 3 is a schematic structural diagram of another transparent display screen provided by an embodiment of the present invention when not powered;
FIG. 4 is a schematic view of the transparent display shown in FIG. 3 when powered;
fig. 5 is a schematic structural diagram of a transparent display device according to an embodiment of the present invention.
Description of reference numerals:
1-a transparent display device; 2-a transparent display screen; 3-a transparent display panel; 31-a display surface; 32-back side; 4-a drive device; 5-a light-adjusting plate; 51-optical medium layer; 52-transparent protective layer; 53-transparent electrode layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the embodiments of the present invention, "/" indicates an or meaning, for example, a/B may indicate a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood 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 embodiment, "a plurality" means two or more unless otherwise specified.
The directional terms "left", "right", "upper" and "lower" are defined with respect to the orientation in which the display assembly is schematically placed in the drawings, and it is to be understood that these directional terms are relative concepts, which are used for descriptive and clarifying purposes, and may be changed accordingly according to the change of the orientation in which the array substrate or the display device is placed.
Fig. 1 is a schematic structural view of a transparent display screen 2 according to the present invention when not powered on, and fig. 2 is a schematic structural view of the transparent display screen 2 shown in fig. 1 when powered on; fig. 3 is a schematic structural diagram of another transparent display screen 2 provided by the present invention, and fig. 4 is a schematic structural diagram of the transparent display screen 2 shown in fig. 3 when being powered on. As shown in fig. 1 to 4, the transparent display screen 2 includes a transparent display panel 3 and a light adjusting plate 5 positioned at the rear of the transparent display panel 3. Ambient light is transmitted to the back of the transparent display panel 3 through the light-adjusting plate 5.
It should be understood that, as shown in fig. 1 to 4, the transparent display panel 2 includes a transparent display panel 3 and a light-adjusting plate 5, which are stacked, and if the transparent display panel 3 includes a display surface 31 and a back surface 32 opposite to each other, the light-adjusting plate 5 is located on the side close to the back surface 32 of the transparent display panel 3.
Thus, the optical path of the ambient light is: incident from the side of the light-adjusting plate 5 remote from the transparent display panel 3, transmitted through the light-adjusting plate 5 to the back of the transparent display panel 3, and then transmitted through the display surface 31 of the transparent display panel 5 to the side viewed by the human eye.
Alternatively, as shown in fig. 1 and 2, the transparent display panel 3 is a transparent Liquid Crystal Display (LCD) panel, or, as shown in fig. 3 and 4, the transparent display panel 3 is a transparent Organic Light Emitting Diode (OLED) display panel.
The transparent display panel 3 and the light adjustment plate 5 may be bonded to each other by other viscous and transparent media such as optical cement. The plurality of light adjustment plates 5 may be bonded to each other by other viscous and transparent media such as optical cement.
The light-adjusting plate 5 includes an optical medium layer 51, and the optical medium layer 51 is used for adjusting the transmittance of the ambient light.
It should be understood that, since the optical medium layer 51 can adjust the transmittance of the ambient light, the transmittance of different regions on the optical medium layer 51 can be different according to the requirement, so that the corresponding brightness of the light incident to different regions of the transparent display panel 3 is different.
When the first region of the transparent display panel 3 displays an image, the light transmittance of the first adjustment region on the optical medium layer is less than or equal to a first preset threshold, and the first adjustment region corresponds to the first region.
It should be understood that the image refers to the whole frame of image displayed by the transparent display panel 3, or a foreground image in an image frame (for example, the image frame can be divided into a foreground image and a background image), or a local image in an image frame, or an image of a specified certain attribute or attributes or specific marks, for example, a human image, an animal image, and the like.
Thus, when the image refers to the entire frame image displayed by the transparent display panel 3, the first region refers to the display area; when the image refers to a foreground image in the image frame, the first region refers to a region where the foreground image is displayed; when the image refers to a partial image in the image frame, the first region refers to a region where the partial image is displayed; when the image refers to an image of a specific attribute or specific marks specified, the first region refers to a region of the image in which the specific attribute or specific marks are displayed.
The first region may be a regular shape or an irregular shape, and may correspond to an overall continuous region or a plurality of separate unconnected regions.
It should be noted that, when the transparent display panel 3 displays an image, the first adjustment region corresponding to the first region on the optical medium layer refers to a region on the optical medium layer which is overlapped with the first region in a projection manner on a first plane parallel to the transparent display panel 3. Alternatively, it may be a larger area of the optical medium layer than the first area. That is, the projection area of the first adjustment region is greater than or equal to the projection area of the first region on the transparent display panel 3.
Based on this, when the transparent display panel 3 displays an image in the first region, the optical medium layer may adjust the transmittance of the first adjustment region to be less than or equal to the first preset threshold value, so that the difference between the transmittance of the first adjustment region and the transmittance of the remaining region is increased.
Wherein, the first threshold value of predetermineeing should be less than 100%, and the first specific numerical value of predetermineeing the threshold value can set up as required, the utility model discloses do not carry out special restriction to this. In an example, when the transparent display panel 3 is disposed in a television, and when an image is displayed in the first region of the transparent display panel 3, the transmittance of the adjustment region may be adjusted to be 0 by the optical medium layer, so that an effect of completely shielding ambient light on the back of the image is achieved. In the second example, when the transparent display panel 3 is disposed on the windshield of the vehicle, and when the image is displayed in the first region of the transparent display panel 3, the transmittance of the adjustment region may be adjusted to 50% by the optical medium layer, and the optical medium layer is required not to obstruct the view of the driver while blocking part of the ambient light.
It should be noted that the number of the light-adjusting plates 5 may be increased as needed, and a plurality of light-adjusting plates 5 are sequentially stacked on the back side of the transparent display panel 3. At this time, the transmittance may be further reduced by adjusting the light by the optical medium layer 51 in the multi-layered light adjusting plate 5, thereby enhancing the contrast ratio.
The utility model provides a transparent display screen, this transparent display screen have increased the light regulating plate in transparent display panel's back one side, and this light regulating plate includes optical medium layer, reduces the transmittance that the ambient light incides transparent display panel display image area's the back through this optical medium layer to realize improving the purpose of contrast.
Optionally, when the second area of the transparent display panel 3 does not display an image, the light transmittance of the second adjustment area on the optical medium layer is greater than a second preset threshold, and the second adjustment area corresponds to the second area.
It should be understood that the second region refers to a portion of the transparent display panel 3 other than the first region or other regions, that is, in a region of the transparent display panel 3 where no image is displayed, the optical medium layer may increase light transmittance so as not to affect other uses of the transparent display panel 3.
Of course, the second region may also be the first region, that is, when the first region does not display an image, the light transmittance of the first adjustment region on the optical medium layer may be greater than the second preset threshold.
The second region may be a regular shape or an irregular shape, and may correspond to an overall continuous region or a plurality of separate unconnected regions.
It should be noted that, when the transparent display panel 3 displays an image, the second adjustment region corresponding to the second region on the optical medium layer refers to a region on the optical medium layer which is overlapped with the second region in a projection manner on the first plane parallel to the transparent display panel 3. Alternatively, it may be a smaller area of the optical medium layer than the second area. That is, the projected area of the second adjustment region is smaller than or equal to the projected area of the second region on the transparent display panel 3.
Based on this, when the transparent display panel 3 does not display an image in the second region, the optical medium layer may adjust the transmittance of the second adjustment region to be greater than the second preset threshold value, so that the difference between the transmittance of the second adjustment region and the transmittance of the remaining region is increased.
Wherein, the threshold value should be greater than 0 in advance to the second, and the specific numerical value that the threshold value was predetermine to the second can set up as required, the utility model discloses do not carry out special restriction to this. Here, the first preset threshold is less than or equal to the second preset threshold.
Optionally, the optical medium layer 51 includes any one of nano conductive particles, electronic ink, and liquid crystal.
It should be understood that the nano conductive particles and the electronic ink in the optical medium layer 51 are in a free state when no voltage is applied, and have some blocking effect on the ambient light, but the nano conductive particles and the electronic ink may be gathered by movement after the voltage is applied, so that the nano conductive particles and the electronic ink are particularly dense in a local area, and thus the ability of blocking the ambient light may be improved, and the transmittance may be greatly reduced.
Optionally, as shown in fig. 1 to 4, the light-adjusting plate 5 further includes a transparent electrode layer 53 and a transparent protective layer 52, and the optical medium layer 51 is located between the transparent electrode layer 53 and the transparent protective layer 52.
The transparent electrode layer 53 is used for applying a voltage to the optical medium layer 51, so that the nano conductive particles and the electronic ink in the optical medium layer 51 perform displacement motion or the liquid crystal performs rotation motion, and the light transmittances of the first adjustment region and the second adjustment region on the optical medium layer are different. The transparent protective layer serves to protect the optical medium layer 51 from contamination.
As shown in fig. 1 and 3, the nano conductive particles, the electronic ink, the liquid crystal, and the like in the optical medium layer 51 are in a free state when the transparent electrode layer 53 is not energized.
As shown in fig. 2 and 4, when the transparent electrode layer 53 is powered on, the nano conductive particles, the electronic ink, the liquid crystal, and the like in the optical medium layer 51 may be gathered by movement, so that the nano conductive particles and the electronic ink are particularly dense in a local area and relatively sparse in other areas, and further, the ability of blocking ambient light may be improved in the dense area, and the transmittance may be greatly reduced.
Here, as shown in fig. 1 to 4, the nano conductive particles, the electronic ink, or the liquid crystal, etc. may be confined between the transparent electrode layer 53 and the transparent protection layer by the sealant, etc.
Alternatively, as shown in fig. 1 and 2, the transparent protective layer 52 is located on the side close to the back surface of the transparent display panel 3, or, as shown in fig. 3 and 4, the transparent electrode layer 52 is located on the side close to the back surface of the transparent display panel 3.
Optionally, the transparent display panel includes a driving electrode layer, and the transparent electrode layer and the driving electrode layer have the same structure.
It should be understood that the driving electrode layer is used to drive the liquid crystal in the transparent display panel to rotate, so that the transparent display panel displays different images. The transparent electrode layer is used for driving the nano conductive particles, the electronic ink and the like in the optical medium layer to gather or disperse. Thus, when the optical medium layer 51 and the liquid crystal in the transparent display panel 3 are driven, the region where the transmittance of the optical medium layer 51 changes can be controlled in accordance with the region of the image displayed on the transparent display panel 3.
Optionally, the driving electrode layer includes a plurality of first scan lines and a plurality of first data lines, and the transparent electrode layer includes a plurality of second scan lines and a plurality of second data lines;
the first scanning lines are in one-to-one correspondence with and connected with the second scanning lines, and the first data lines are in one-to-one correspondence with and connected with the second data lines.
It should be understood that the one-to-one correspondence between the first scan lines and the second scan lines means that a set of projections of the first scan lines and the second scan lines coincide with each other in a first plane, and the one-to-one correspondence between the first data lines and the second data lines means that a set of projections of the first data lines and the second data lines coincide with each other in the first plane.
From this, through controlling drive electrode layer and transparent electrode layer simultaneously, can make optical medium layer 51 follow the regional change that transparent display panel shows the image and change, in time make the regional ambient light transmissivity behind one's back that transparent display panel shows the image reduce, the regional ambient light transmissivity behind one's back that does not show the image increases to can strengthen the contrast, when the user watches from transparent display panel's play plain noodles, experience is better.
It can be understood that the driving electrode layer is located at one side far away from the light emitting surface of the transparent display panel, and when the transparent electrode layer is located at one side close to the back of the transparent display panel, the driving electrode layer and the transparent electrode layer are closest to each other, so that the connecting wires on the driving electrode layer and the transparent electrode layer can be shortened, the transmission of driving signals is faster, and the transparent display effect is improved.
The transparent electrode layer may be made of Indium Tin Oxide (ITO) or a metal alloy. The thickness of the transparent electrode layer may be 0.01 μm to 5 μm.
Optionally, the transparent protective layer comprises at least one layer of transparent organic material, and/or a layer of transparent inorganic material.
It is understood that both the organic material layer and the inorganic material layer are parallel to the transparent display panel. Further, when a plurality of transparent organic material layers and/or transparent inorganic material layers are provided, the protective ability can be improved.
Wherein, when transparent protective layer includes the transparent organic material layer of multilayer and transparent inorganic material layer, can set up and change the order as required, the utility model discloses do not carry out special restriction to this.
The above is to the transparent display screen provided by the present invention, and the transparent display device provided by the embodiment of the present application is described below with reference to fig. 5.
Fig. 5 is a schematic structural diagram of a transparent display device according to the present invention. As shown in fig. 5, the transparent display device 1 includes a driving device 4 and the transparent display screen 2, the driving device 4 is used for driving the transparent display screen 2 to display.
Wherein, the utility model discloses do not restrict transparent display device's specific type, for example can be for TV set, display, panel computer etc. be the one skilled in the art should understand having to other indispensable components of transparent display device, do not do here and describe repeatedly, also should not regard as the utility model discloses a restriction.
The utility model provides a transparent display device, this transparent display device have increased light regulating plate 5 in transparent display panel's back one side, and this light regulating plate 5 includes optical medium layer 51, reduces the light transmissivity that the ambient light incides transparent display panel display image area's the back through this optical medium layer to realize improving the purpose of contrast.
The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. A transparent display screen, comprising: the display panel comprises a transparent display panel and a light adjusting plate positioned on the back of the transparent display panel, wherein ambient light is transmitted to the back of the transparent display panel through the light adjusting plate;
the light adjusting plate comprises an optical medium layer, and the optical medium layer is used for adjusting the transmittance of ambient light;
when the first area of the transparent display panel displays images, the light transmittance of a first adjusting area on the optical medium layer is smaller than or equal to a first preset threshold, and the first adjusting area corresponds to the first area.
2. The transparent display screen of claim 1, further comprising:
when the second area of the transparent display panel does not display images, the light transmittance of a second adjusting area on the optical medium layer is larger than a second preset threshold, the second adjusting area corresponds to the second area, and the second preset threshold is larger than or equal to the first preset threshold.
3. The transparent display screen of claim 2, wherein the light-regulating plate further comprises a transparent electrode layer and a transparent protective layer; the optical medium layer is located between the transparent electrode layer and the transparent protective layer, and the transparent electrode layer is used for applying voltage to the optical medium layer to enable the light transmittances of the first adjustment area and the second adjustment area to be different.
4. The transparent display screen of claim 3, wherein the transparent protective layer is located on a side near the back of the transparent display panel, or wherein the transparent electrode layer is located on a side near the back of the transparent display panel.
5. The transparent display screen of claim 4, wherein the transparent protective layer comprises: at least one layer of transparent organic material, and/or at least one layer of transparent inorganic material.
6. The transparent display screen of claim 4, wherein the transparent electrode layer has the same structure as a driving electrode layer included in the transparent display panel.
7. The transparent display screen of claim 6, wherein the driving electrode layer comprises a plurality of first scan lines and a plurality of first data lines, and the transparent electrode layer comprises a plurality of second scan lines and a plurality of second data lines;
the first scanning lines are in one-to-one correspondence with and connected to the second scanning lines, and the first data lines are in one-to-one correspondence with and connected to the second data lines.
8. The transparent display screen of claim 1, wherein the transparent display panel is a transparent liquid crystal display panel or a transparent organic light emitting diode display panel.
9. The transparent display screen of claim 1, wherein the optical medium layer comprises any one of nano conductive particles, electronic ink, and liquid crystal.
10. A transparent display device, comprising: the transparent display screen of any one of claims 1-8 and a driving device, wherein the driving device is used for driving the transparent display screen to display.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023345377.0U CN214122627U (en) | 2020-12-30 | 2020-12-30 | Transparent display screen and transparent display device |
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| CN202023345377.0U CN214122627U (en) | 2020-12-30 | 2020-12-30 | Transparent display screen and transparent display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624912A (en) * | 2022-03-22 | 2022-06-14 | 武汉华星光电技术有限公司 | Display device and brightness adjusting method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624912A (en) * | 2022-03-22 | 2022-06-14 | 武汉华星光电技术有限公司 | Display device and brightness adjusting method thereof |
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