CN212933994U - Transparent display screen body - Google Patents
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- CN212933994U CN212933994U CN202021936680.5U CN202021936680U CN212933994U CN 212933994 U CN212933994 U CN 212933994U CN 202021936680 U CN202021936680 U CN 202021936680U CN 212933994 U CN212933994 U CN 212933994U
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Abstract
The utility model provides a transparent display screen body. The transparent display screen body comprises a transparent substrate, the transparent substrate is provided with a first side and a second side which are opposite, and the transparent substrate comprises sub-pixel areas and pixel interval areas positioned between the adjacent sub-pixel areas; the light emitting layer is positioned on the first side of the transparent substrate and corresponds to the position of the sub-pixel area; and the light condensation structure is positioned on the second side of the transparent substrate and positioned on the surface of the pixel spacing area. The utility model provides a transparent display screen body, the transparent substrate who goes out the plain noodles is provided with the spotlight structure, can be right the light readjustment light path of luminescent layer slant transmission makes it change into perpendicular or approximate perpendicular transparent substrate surface and goes out the plain noodles and exit for perpendicular or approximate perpendicular transparent substrate surface goes out the plain noodles and exits light then and increase, thereby reaches the effect of spotlight increment, and the holistic luminance of the display screen body can be effectively improved.
Description
Technical Field
The utility model relates to a transparent display technology field, concretely relates to transparent display screen body.
Background
With the continuous development of display technology, the head and corners of the transparent screen are exposed, and compared with the traditional liquid crystal display, the transparent screen can bring unprecedented visual experience and brand-new experience to users. The transparent display screen can be transparent like glass, the transparency is kept, meanwhile, the color richness degree and the display details of the dynamic picture can be guaranteed, and the user can interact with the dynamic information of the transparent display screen through partial transparent screen application. The transparent screen has the characteristics of screen and transparency, so that the transparent screen can be applied to many occasions, namely the transparent screen can be used as a screen and can replace transparent plate glass. Transparent screens are currently used mainly for display and product display, for example, in place of window glass.
However, the brightness of the transparent screen in the prior art still needs to be improved.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a transparent display screen body to solve the not enough problem of current transparent display screen body luminance.
The utility model provides a transparent display screen body, include: a transparent substrate having opposing first and second sides, the transparent substrate including sub-pixel regions and pixel spacer regions between adjacent sub-pixel regions; the light-emitting layer is positioned on the first side of the transparent substrate and corresponds to the position of the sub-pixel area; and the light condensation structure is positioned on the second side of the transparent substrate and positioned on the surface of the pixel interval area.
Optionally, the shape of the light-gathering structure is an inverted cone; or the light-gathering structure is trapezoidal in the shape of a longitudinal section perpendicular to the surface of the transparent substrate.
Optionally, the number of the light-gathering structures is several; the spacing distance between the adjacent light condensation structures is larger than or equal to the spacing between the adjacent sub-pixel regions.
Optionally, the number of the light-gathering structures is several; the light gathering structure has a maximum width that is less than or equal to a spacing between adjacent sub-pixel regions.
Optionally, the light-gathering structure has a top surface and a side surface, and an included angle between the light-gathering structure and the side surface of the light-gathering structure is 20 ° to 70 °.
Optionally, the height of each light-gathering structure is 100 to 500 times the height of the light-emitting layer.
Optionally, the height of each light-gathering structure is 20 μm to 50 μm.
Optionally, the light-gathering structure is SiO2And (3) a light condensing structure.
Optionally, the light-gathering structure and the transparent substrate are of an integrated structure; or the light-gathering structure is adhered to the surface of the transparent substrate.
Optionally, the transparent display screen body further includes a cathode layer, the cathode layer is located on a side of the light emitting layer opposite to the transparent substrate, and the thickness of the cathode layer is 17nm to 25 nm.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a transparent display screen body, transparent substrate go out the plain noodles and are provided with the spotlight structure, the spotlight structure is located transparent substrate's second side just is located the surface of pixel compartment. The light condensing structure can readjust the light path of the light emitted by the light emitting layer in an oblique manner, so that the light is emitted perpendicularly or approximately perpendicularly to the light emitting surface of the transparent substrate, and finally about 20% -30% of the light emitted from the light emitting layer is reused, so that the light emitted perpendicularly or approximately perpendicularly to the light emitting surface of the transparent substrate is increased, the effect of light condensing increment is achieved, and the overall brightness of the display screen body is effectively improved.
2. The transparent display screen body provided by the utility model adopts the inverted cone shape as the shape of the light-gathering structure; or the light-gathering structure is in a trapezoidal shape in a longitudinal section perpendicular to the surface of the transparent substrate. On one hand, a part of light emitted by the light emitting layer in the sub-pixel region in an inclined manner is refracted through the inclined surface on one side of the light condensing structure to enter the light condensing structure, then is reflected through the inclined surface on the other side and is emitted from the top surface, and the part of light path is changed from the inclined direction to the direction vertical to or approximately vertical to the surface of the transparent substrate, so that the light emitted from the surface of the vertical or approximately vertical transparent substrate is increased, and the effect of brightening and light condensing is achieved. On the other hand, a part of light emitted by the light emitting layer in the pixel region in an oblique direction is reflected back to the transparent substrate through one inclined plane of the light gathering structure, and then is reflected to one inclined plane of the other light gathering structure through the transparent substrate. And finally, about 20% -30% of light emitted from the light-emitting layer can be subjected to light path adjustment, so that the overall brightness of the display screen body is enhanced.
3. The utility model provides a transparent display screen body, the quantity of spotlight structure be a plurality of, and the quantity of more spotlight structures can receive the light of more sub-pixel district luminescent layer slant outgoing to realize better spotlight blast effect on the whole. The spacing distance between the adjacent light-gathering structures is larger than or equal to the spacing between the adjacent sub-pixel areas, so that the light emitted by the light-emitting layer of the sub-pixel area, which is vertical to the surface of the transparent substrate, is prevented from being shielded by the light-gathering structures and refracted, and the brightness of the sub-pixel area is not reduced.
4. The utility model provides a transparent display screen body, the quantity of spotlight structure be a plurality of, and the quantity of more spotlight structures can receive the light of more sub-pixel district luminescent layer slant outgoing to realize better spotlight blast effect on the whole. The light gathering structure has a maximum width that is less than or equal to a spacing between adjacent sub-pixel regions. The light emitted by the light emitting layer of the sub-pixel area, which is vertical to the surface of the transparent substrate, is prevented from being shielded by the light condensing structure and refracted, and the brightness of the sub-pixel area is not reduced.
5. The utility model provides a transparent display screen body, spotlight structure has top surface and side, spotlight structure and top surface with the contained angle between the side of spotlight structure is 20-70. The specific included angle can avoid too little light which is emitted from the light emitting layer in an oblique manner and enters the light condensing structure to be reflected and emitted, and the included angle of 20-70 degrees can ensure that as much light which is emitted from the light emitting layer in an oblique manner enters the light condensing structure to be reflected and emitted, so that the display screen body realizes a better light condensing and brightening effect.
6. The utility model provides a transparent display screen body, each the height of spotlight structure can do 100 times-500 times of the height of luminescent layer. Specifically, it may be 20 μm to 50 μm. The light-gathering structure with the height in the interval can ensure that light obliquely emitted from the light-emitting layer is refracted to enter the light-gathering structure and then reflected to exit as much as possible on one hand, and better light-gathering increment effect is ensured; on the other hand, the whole thickness of the display screen body is not too large, so that the light, thin and small display screen body is facilitated, and the phenomenon that the light condensation structure is too high and topples over is avoided.
7. The utility model provides a transparent display screen body, the spotlight structure is SiO2And (3) a light condensing structure. SiO 22The light condensing structure has higher transmittance to light, the light emitted from the light emitting layer in an inclined manner is refracted to enter the light condensing structure and is less absorbed by the light condensing structure, and the refracted light is more and cannot cause more refraction loss, so that the original brightness of the display screen body cannot be reduced.
When the main material of the transparent substrate is SiO2When the light-gathering structure is SiO2The structure, the material of spotlight structure is unanimous with transparent substrate's host material, and spotlight structure stability is better on the base plate, and can avoid causing the light of the luminescent layer slant outgoing of light to get into the inside direction of spotlight structure and take place great skew, avoids the light of final adjustment for perpendicular or nearly perpendicular transparent substrate surface outgoing too little for spotlight blast effect is better.
8. In the transparent display screen body provided by the utility model, the light-gathering structure and the transparent substrate are integrated into a whole; or the light-gathering structure is adhered to the surface of the transparent substrate. The light-gathering structure integrated with the transparent substrate has the advantages of better stability, convenient forming and simple process. When the light condensation structure is bonded on the surface of the transparent substrate, the light condensation structure can be manufactured independently, the uniformity of the light condensation structure is relatively good, and the material of the light condensation structure can be selected freely.
9. The utility model provides a transparent display screen body still includes the cathode layer, the cathode layer is located the luminescent layer dorsad one side of transparent substrate, the thickness of cathode layer is 17nm ~ 25 nm. On one hand, the thickness of the cathode layer of 17nm-25nm can ensure that the resistance value of the cathode is lower, so that the current passing through the cathode is not too small, and the brightness of the display screen body is improved. On the other hand, even if the light transmission of the cathode layer is relatively poor, because the light-gathering structure is arranged in the transparent display screen, the light-gathering structure can make up the defect of poor light transmission of the cathode layer, and the transparent display screen body can still have high brightness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a transparent screen body;
fig. 2 is a schematic structural diagram of a transparent display screen body according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an optical path through the light-focusing structure according to an embodiment of the present invention.
Detailed Description
A transparent display screen body, as shown in fig. 1, comprising: a transparent substrate 1, a light-emitting layer 2 and an encapsulation glass 3.
On one hand, the resistance value of the cathode is increased and the current is small due to the excessively low thickness, so that the luminous brightness is reduced; therefore, the cathode deposition thickness is about 20 nm.
On the other hand, the cathode trace is generally formed using a metal having a relatively low resistivity, such as silver (Ag), aluminum (Al), yttrium (Yb), gold (Au), chromium (Cr), tungsten (W), molybdenum (Mo), titanium (Ti), palladium (Pd), or the like, or an alloy of these metals, and the material of these metals is relatively poor in light transmittance. The cathode is relatively thick (about 20 nm), and the material of the cathode has poor light transmittance, so that the transmittance of the cathode is low, and the influence on the overall transmittance of the transparent display screen is large. The transparency of the transparent display screen body is lower, and the requirement of high brightness cannot be met.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment provides a transparent display screen body, see fig. 2 and fig. 3. Fig. 2 is a schematic structural diagram of the transparent display panel according to the embodiment. Fig. 3 is a schematic diagram of an optical path passing through the light-condensing structure in this embodiment. As shown in fig. 2, the transparent display screen body provided in this embodiment includes:
the display device comprises a transparent substrate 1, wherein the transparent substrate 1 is provided with a first side and a second side which are opposite, and the transparent substrate 1 comprises sub-pixel areas A and pixel spacing areas B which are positioned between the adjacent sub-pixel areas A;
a light emitting layer 21 located on a first side of the transparent substrate 1 and corresponding to the sub-pixel region A;
and the light condensing structure 11 is positioned on the second side of the transparent substrate 1 and positioned on the surface of the pixel interval area B.
The utility model provides a transparent display screen body, transparent substrate's play plain noodles is provided with spotlight structure 11, spotlight structure 11 is located transparent substrate's second side just is located the surface of pixel compartment. The light condensing structure 11 can readjust the light path of the light emitted from the light emitting layer in an oblique direction, so that the light is emitted perpendicularly or approximately perpendicularly to the light emitting surface on the surface of the transparent substrate 1, and finally about 20% -30% of the light emitted from the light emitting layer can be reused, thereby achieving the effect of condensing light increment and effectively improving the overall brightness of the display screen body.
The transparent substrate 1 includes: a glass substrate; and a pixel ITO layer 22 on one side surface of the glass substrate.
In the present embodiment, the shape of the light condensing structure 11 may be an inverted cone. In other embodiments, the light-concentrating structures 11 have a trapezoidal shape in a longitudinal section perpendicular to the surface of the transparent substrate 1.
In the transparent display screen body provided by the embodiment, the shape of the light condensing structure 11 is inverted cone; or the light-gathering structure 11 has a trapezoidal shape in a longitudinal section perpendicular to the surface of the transparent substrate. On one hand, a part of light emitted from the light emitting layer 21 in the sub-pixel region a in an oblique direction enters the light condensing structure 11 through refraction of the inclined surface on one side of the light condensing structure 11, and then is reflected by the inclined surface on the other side and is emitted from the top surface, and the part of light path is changed from the oblique direction to the direction vertical or approximately vertical to the surface of the transparent substrate 1, so that the light emitted from the surface of the transparent substrate 1 vertical or approximately vertical to the surface of the transparent substrate is increased, and the effect of. On the other hand, a part of the light emitted from the light emitting layer 21 in the sub-pixel region a in an oblique direction is reflected back to the transparent substrate 1 through the inclined surface of one light gathering structure 11, and then reflected to the inclined surface on one side of the other light gathering structure 11 through the transparent substrate 1, and can be refracted into the other light gathering structure 11 due to the change of the incident angle, and then reflected on the inclined surface on the other side of the other light gathering structure 11, and then emitted from the top surface of the other light gathering structure, and the light path is changed from the oblique direction to the direction vertical or approximately vertical to. Eventually, about 20-30% of the light emitted from the light emitting layer can be reused, thereby achieving an enhancement in brightness.
In this embodiment, the number of the light-gathering structures 11 may be several, may be 1, or all the spacers B have the light-gathering structures 11, or another number.
The light emitted from the light-emitting layer 21 in the positions corresponding to the sub-pixel regions a in an oblique direction can be received by more light-condensing structures 11, so that a better light-condensing and brightness-enhancing effect can be achieved as a whole.
The spacing distance between adjacent light condensing structures 11 is greater than or equal to the pitch between adjacent sub-pixel regions a (or greater than or equal to the width of the spacer region B). By the arrangement, light emitted by the light emitting layer of the sub-pixel region and vertical to the surface of the transparent substrate can be prevented from being shielded by the light condensing structure and refracted, and the brightness of the sub-pixel region can not be reduced.
The light condensing structure 11 has a maximum width that is less than or equal to the spacing between adjacent sub-pixel regions a (or less than or equal to the width of the spacer region B). By the arrangement, light emitted by the light emitting layer of the sub-pixel region and vertical to the surface of the transparent substrate can be prevented from being shielded by the light condensing structure and refracted, and the brightness of the sub-pixel region can not be reduced.
In some embodiments, the light-concentrating structure 11 has a top surface and a side surface, and an included angle between the top surface of the light-concentrating structure 11 and the side surface of the light-concentrating structure 11 is 20 ° to 70 °, such as 20 °, 30 °, 40 °, 50 °, 60 °, and 70 °.
The specific included angle can avoid too little light which is reflected and emitted from the light emitting layer 21 and enters the light condensing structure 11, and the included angle of 20-70 degrees can ensure that as much light which is emitted from the light emitting layer 21 and enters the light condensing structure 11 and is reflected and emitted, so that the display screen body realizes better light condensing and brightening effects.
In some embodiments, the height of each light-concentrating structure 11 may be 100 to 500 times, such as 100 times, 200 times, 300 times, 400 times, 500 times, the height of the light-emitting layer 21.
In some embodiments, the height of each light concentrating structure 11 may be 20 μm to 50 μm. For example, 20 μm, 30 μm, 40 μm, 50 μm.
The light condensation structure 11 with the height can ensure that light emitted from the light emitting layer 21 in an oblique direction is refracted to enter the light condensation structure 11 and then reflected to be emitted as much as possible, and better light condensation increment effect is ensured; on the other hand, the whole thickness of the display screen body is not too large, so that the light, thin and small display screen body is facilitated, and the phenomenon that the light condensation structure 11 is too high and topples over is avoided.
In the transparent display screen provided in this embodiment, the light-gathering structure 11 may be SiO2And (3) a light condensing structure.
SiO2The light-gathering structure has higher transmittance to light, the light emitted from the light-emitting layer in an inclined manner is refracted to enter the light-gathering structure 11 and is less absorbed by the light-gathering structure 11, and the reflected light is more, so that more refraction loss can not be caused, and the original brightness of the display screen body can not be reduced.
When the main material of the transparent substrate is SiO2When the light-gathering structure is SiO2The structure, the material of spotlight structure 11 is unanimous with transparent substrate 1's host material, and spotlight structure 11 stability is better on the base plate, and can avoid causing the light of the luminescent layer 21 slant outgoing of light to get into spotlight structure 11 inside direction and take place great skew, avoids the light of final adjustment for perpendicular or nearly perpendicular transparent substrate surface outgoing too little for spotlight brightening effect is better.
In some embodiments, the light-gathering structure 11 and the transparent substrate 1 may be an integral structure; in other embodiments, the light-concentrating structures 11 may be bonded to the surface of the transparent substrate.
The light-gathering structure 11 integrated with the transparent substrate 1 has better stability, convenient forming and simple process. When the light-gathering structure 11 is adhered to the surface of the transparent substrate 1, the light-gathering structure 11 can be manufactured independently, the uniformity of the light-gathering structure 11 is relatively good, and the material of the light-gathering structure 11 can be freely selected.
In some specific embodiments, the transparent display screen body further includes a cathode layer 23, the cathode layer 23 is located on a side of the light emitting layer 21 facing away from the transparent substrate, and the thickness of the cathode layer 23 may be 17nm to 25nm, for example, 17nm, 19nm, 21nm, 23nm, or 25 nm. The utility model provides a transparent display screen body, still including being located luminescent layer 21 dorsad the cathode layer of one side of transparent substrate, the thickness of cathode layer is 17nm ~ 25 nm. On one hand, the cathode layer thickness of 17nm-25nm can ensure that the resistance value of the cathode is lower, so that the current passing through the cathode is not too small, and the improvement of the brightness is facilitated. On the other hand, even the light transmissivity of cathode layer is relatively poor, because this application light condensation structure's setting, light condensation structure can compensate the poor defect of light transmissivity of cathode layer for this application transparent display screen body still can have higher luminance. Compared with the scheme of the figure 1, the light transmittance is improved by about 10-20%, and the brightness is improved by about 20-30%.
In practical applications, referring to fig. 2 and 3, the light emitted from the light emitting layer 21 obliquely is refracted by the transparent substrate 1 and the light condensing structure 11, and is then emitted perpendicularly to the light emitting surface, i.e. the second side surface of the transparent substrate 1. Therefore, part of obliquely emergent light rays are vertically or approximately vertically emergent light rays, so that the emergent light rays of the transparent display screen body are increased on the whole, and the effect of condensing and brightening is realized. Since the light emitting layers 21 are arranged in an array, the light condensing structures 11 arranged in the spacer regions B of the sub-pixel regions a can refract and adjust the oblique light emitted from all the light emitting layers 21 around, thereby achieving the effect of increasing the light condensing amount as a whole. In addition, the light condensing structure 11 can also reflect and refract the light emitted from the light emitting layer 21 in an oblique direction, part of the light returns to the transparent substrate 1 after being reflected and refracted, and then is reflected and emitted, and the re-emitted light has part of light path adjustable through the light condensing structure 11, so that the light condensing and brightening effects of the emitted light are realized.
In some embodiments, the light emitting layer 21 is disposed within a light emitting device comprising: including HIL (Hole injection Layer)/HTL (Hole Transport Layer)/EL (Electro Luminescence Layer)/ETL (Electron Transport Layer)/EIL (Electron injection Layer).
The light emitting devices are surrounded by an insulating layer 25. That is, the light emitting device is formed in the insulating layer 25, separated by the insulating layer 25. The transparent substrate 1 may include a glass substrate and a pixel ITO layer 22 on one side surface of the glass substrate. The light-emitting surface of each light-emitting device faces the pixel ITO layer 22, the pixel ITO layer 22 is a transparent anode layer and is also separated by the insulating layer 25, and the light-emitting surface of the pixel ITO layer 22 is flush with the surface of the insulating layer 25 facing the transparent substrate 1. In actual fabrication, the insulating layer 25 is formed on the first side surface of the transparent substrate 1.
The surface of the light emitting device opposite to the light exit surface is connected to a cathode layer 23, which is also interrupted by an insulating layer 25. A cathode partition 24 is provided on the surface of the insulating layer 25 between the adjacent light emitting devices (light emitting layers 21). Cathode layer 23 may be selected from Al or other suitable conductive metal; an antistatic film, such as a MoAlMo film, may also be disposed between the outermost light emitting device and the insulating layer 25 under the pixel ITO layer 22; a cathode lead, such as a cathode lead formed of a MoAlMo layer, may also be disposed under the pixel ITO layer 22.
The present invention has been described above by way of examples, and it is believed that one skilled in the art can appreciate the present invention from the above examples. It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A transparent display screen body, comprising:
a transparent substrate having opposing first and second sides, the transparent substrate including sub-pixel regions and pixel spacer regions between adjacent sub-pixel regions;
the light-emitting layer is positioned on the first side of the transparent substrate and corresponds to the position of the sub-pixel area;
and the light condensation structure is positioned on the second side of the transparent substrate and positioned on the surface of the pixel interval area.
2. The transparent display screen body of claim 1,
the shape of the light-gathering structure is inverted cone; or the light-gathering structure is trapezoidal in the shape of a longitudinal section perpendicular to the surface of the transparent substrate.
3. The transparent display screen body according to claim 1 or 2,
the number of the light-gathering structures is a plurality; the spacing distance between the adjacent light condensation structures is larger than or equal to the spacing between the adjacent sub-pixel regions.
4. The transparent display screen body according to claim 1 or 2,
the number of the light-gathering structures is a plurality; the light gathering structure has a maximum width that is less than or equal to a spacing between adjacent sub-pixel regions.
5. The transparent display screen body according to claim 1 or 2,
the light condensation structure is provided with a top surface and a side surface, and an included angle between the light condensation structure and the side surface of the light condensation structure is 20-70 degrees.
6. The transparent display screen body according to claim 1 or 2,
the height of each light gathering structure is 100-500 times of the height of the light emitting layer.
7. The transparent display screen body of claim 6,
the height of each light-gathering structure is 20-50 μm.
8. The transparent display screen body according to claim 1 or 2,
the light-gathering structure is SiO2And (3) a light condensing structure.
9. The transparent display screen body of claim 1,
the light-gathering structure and the transparent substrate are of an integral structure; or the light-gathering structure is adhered to the surface of the transparent substrate.
10. The transparent display screen body of claim 1, further comprising:
the cathode layer is positioned on one side, back to the transparent substrate, of the light emitting layer, and the thickness of the cathode layer is 17nm-25 nm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021936680.5U CN212933994U (en) | 2020-09-07 | 2020-09-07 | Transparent display screen body |
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| CN202021936680.5U CN212933994U (en) | 2020-09-07 | 2020-09-07 | Transparent display screen body |
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