CN113690285B - Peep-proof display panel, manufacturing method thereof and peep-proof display device - Google Patents
Peep-proof display panel, manufacturing method thereof and peep-proof display device Download PDFInfo
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- CN113690285B CN113690285B CN202110969006.XA CN202110969006A CN113690285B CN 113690285 B CN113690285 B CN 113690285B CN 202110969006 A CN202110969006 A CN 202110969006A CN 113690285 B CN113690285 B CN 113690285B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 230000008859 change Effects 0.000 claims abstract description 11
- 229920006254 polymer film Polymers 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 192
- 238000000034 method Methods 0.000 description 16
- 238000002834 transmittance Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 230000000007 visual effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- DMLAVOWQYNRWNQ-UHFFFAOYSA-N azobenzene Chemical class C1=CC=CC=C1N=NC1=CC=CC=C1 DMLAVOWQYNRWNQ-UHFFFAOYSA-N 0.000 description 2
- 150000001988 diarylethenes Chemical class 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 238000010329 laser etching Methods 0.000 description 2
- 244000144985 peep Species 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- SMQUZDBALVYZAC-UHFFFAOYSA-N salicylaldehyde Chemical class OC1=CC=CC=C1C=O SMQUZDBALVYZAC-UHFFFAOYSA-N 0.000 description 2
- 208000008918 voyeurism Diseases 0.000 description 2
- GZPPANJXLZUWHT-UHFFFAOYSA-N 1h-naphtho[2,1-e]benzimidazole Chemical class C1=CC2=CC=CC=C2C2=C1C(N=CN1)=C1C=C2 GZPPANJXLZUWHT-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Abstract
The embodiment of the application provides a peep-proof display panel, a manufacturing method thereof and a peep-proof display device. The peep-proof display panel comprises a substrate, a pixel defining layer, a light-emitting device layer and a peep-proof layer, wherein the pixel defining layer limits a plurality of first pixel opening areas; the light-emitting device layer comprises a first light-emitting device layer, and the first light-emitting device layer is arranged in each first pixel opening area; the peep-proof layer comprises a light-transmitting layer and a first photochromic film layer, the light-transmitting layer is arranged on one side of each first pixel opening area, which is far away from the substrate, a channel structure is arranged on the light-transmitting layer, the first photochromic film layer is arranged on the side wall of the channel structure, and the first photochromic film layer is configured to change color under the irradiation of light in a first wavelength range emitted by the first light-emitting device layer.
Description
Technical Field
The application relates to the technical field of display, in particular to a peep-proof display panel, a manufacturing method thereof and a peep-proof display device.
Background
This section provides merely background information related to the present disclosure and is not necessarily prior art.
With the development of technology, electronic products such as computers, mobile phones and tablets are increasingly applied to the work and life of people, and great convenience and use fun are brought to people. However, because the OLED display screen has a large viewing angle, people can easily snoop by others when browsing data through the screen, which exposes personal privacy, trade secrets or technical data to risk. Therefore, in some public places, the OLED display screen is required to have a peep-proof effect.
At present, the peep-proof means on the market mostly adopts a mode of sticking a peep-proof film on the outermost layer of a display screen, so that the peep-proof effect can be achieved, but the whole thickness of the screen is increased, the light-emitting efficiency of a positive visual angle is reduced, and certain limitation and limitation exist in the use process of electronic products. .
Disclosure of Invention
The embodiment of the application provides a peep-proof display panel, a manufacturing method thereof and a peep-proof display device, so that the purpose of peep prevention is achieved on the premise of not changing the thickness of the display panel. The specific technical content is as follows:
in a first aspect, embodiments of the present application provide a peep-proof display panel, including:
a substrate;
a pixel defining layer defining a plurality of first pixel opening areas;
a light emitting device layer including a first light emitting device layer disposed at each first pixel opening region;
the peep-proof layer comprises a light-transmitting layer and a first photochromic film layer, the light-transmitting layer is arranged on one side, deviating from the substrate, of each first pixel opening area, a channel structure is arranged on the light-transmitting layer, the first photochromic film layer is arranged on the side wall of the channel structure, and the first photochromic film layer is configured to change color under the irradiation of light in a first wavelength range emitted by the first light-emitting device layer.
According to the peep-proof display panel, the first photochromic film layer is utilized to block light rays with a large visual angle by changing the color after being irradiated by light emitted by the first light-emitting device layer, so that the peep-proof purpose is achieved. Specifically, a light-transmitting layer is arranged on one side, away from the substrate, of each first pixel opening area, a channel structure is arranged on the light-transmitting layer, and the first photochromic film layer is arranged on the side wall of the channel structure. When the first light emitting device layer is lightened, the first photochromic film layer is changed from colorless transparent to yellow or even dark red, and the light transmittance of the first photochromic film layer is reduced, at this time, because the first photochromic film layer is only arranged on the side wall of the channel structure, the light transmittance layer has good light transmittance, so that forward light is not affected (corresponding to the front view angle and not affected), and side light, especially large-angle light, is blocked by the first photochromic film layer, corresponding to the side view angle and especially large-view angle and is fuzzy, thereby achieving the purpose of peeping prevention. In addition, the peep-proof layer is integrated in the peep-proof display panel, which is equivalent to adding a layer of material in the peep-proof display panel, and the flexibility of the display panel is not changed, so that the peep-proof display panel can be used for flexible foldable products.
The embodiment of the application also provides another peep-proof display panel, which comprises:
a substrate;
a pixel defining layer defining a plurality of first pixel opening regions and a plurality of second opening regions;
a light emitting device layer including a first light emitting device layer disposed within each of the first pixel opening regions and a second light emitting device layer disposed within each of the second opening regions,
the peep-proof layer comprises a light-transmitting layer and a second photochromic film layer, the light-transmitting layer is arranged on one side, away from the substrate, of each first pixel opening area, a channel structure is arranged on the light-transmitting layer, the second photochromic film layer is arranged on the side wall of the channel structure, and the second photochromic film layer is configured to change color under the irradiation of light in a second wavelength range emitted by the second light-emitting device layer.
According to the peep-proof display panel, the second photochromic film layer is utilized to block light rays with a large visual angle after being irradiated by light emitted by the second light-emitting device layer, so that the peep-proof purpose is achieved, and meanwhile, the peep-proof mode and the non-peep-proof mode can be switched. Specifically, when only the first light emitting device layer is lightened, the second photochromic film layer does not change color, the second photochromic film layer has high light transmittance, is in a full transparent state, and light with a large visual angle can be emitted through the second photochromic film layer, so that the peep-proof display panel is in a non-peep-proof mode; when the first light-emitting device layer and the second light-emitting device layer are both lightened, the second photochromic film layer is irradiated by light emitted by the second light-emitting device layer, the color is changed from colorless transparent to yellow and even dark red, the light transmittance of the second photochromic film layer is reduced, namely, the peep-proof display panel is in a peep-proof mode, at the moment, the light transmittance layer has good light transmittance, forward light emission is not affected (corresponding to an orthoscopic view angle is not affected), lateral light emission, especially high-angle light emission, is blocked by the second photochromic film layer, and corresponding to a lateral view angle, especially a high view angle is fuzzy, so that the peep-proof purpose is achieved. In addition, the peep-proof layer is integrated in the peep-proof display panel, which is equivalent to adding a layer of material in the peep-proof display panel, and the flexibility of the peep-proof display panel is not changed, so that the peep-proof display panel can be used for flexible foldable products.
In some embodiments, the channel structure includes a plurality of stripe-shaped openings formed at intervals in the light-transmitting layer.
In some embodiments, the first light emitting device layer employs an OLED device layer.
In some embodiments, the second light emitting device layer employs a UV device layer.
In some embodiments, the number of second opening regions is less than the number of first pixel opening regions.
In some embodiments, the light transmissive layer employs a transparent polymer film.
In a second aspect, an embodiment of the present application provides a method for manufacturing a peep-proof display panel according to the first aspect, including:
forming a pixel defining layer on a substrate, and defining a plurality of first pixel opening areas in the pixel defining layer, wherein a first light emitting device layer is arranged in each first pixel opening area;
and forming a light-transmitting layer on one side of each first pixel opening area, which is far away from the substrate, wherein a channel structure is formed on the light-transmitting layer, and a first photochromic film layer is formed on the side wall of the channel structure.
The embodiment of the application also provides a preparation method of another peep-proof display panel in the first aspect, which comprises the following steps:
forming a pixel defining layer on a substrate, wherein the pixel defining layer is limited to a plurality of first pixel opening areas and a plurality of second opening areas, a first light-emitting device layer is arranged in each first pixel opening area, and a second light-emitting device layer is arranged in each second opening area;
and forming a light-transmitting layer on one side of each first pixel opening area, which is far away from the substrate, wherein a channel structure is formed on the light-transmitting layer, and a second photochromic film layer is formed on the side wall of the channel structure.
In a third aspect, an embodiment of the present application provides a peep-proof display device, including the peep-proof display panel in any one of the above embodiments. The peep-proof display panel utilizes the first photochromic film layer to block the light with a large visual angle by changing the color after being irradiated by the light emitted by the first light-emitting device layer, or utilizes the second photochromic film layer to block the light with a large visual angle by changing the color after being irradiated by the light emitted by the second light-emitting device layer, thereby achieving the peep-proof purpose and overcoming the problems existing in the prior art.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related art, the drawings that are required to be used in the descriptions of the embodiments of the present application or the related art are briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a cross-sectional view of a peep-proof display panel according to an embodiment of the present disclosure;
fig. 2 is a schematic top view of a peep-proof display panel according to an embodiment of the present disclosure;
fig. 3 is a cross-sectional view of another peep-proof display panel according to an embodiment of the disclosure;
fig. 4 is a top view of another peep-proof display panel according to an embodiment of the disclosure;
fig. 5 is a flowchart of a method for manufacturing a peep-proof display panel according to an embodiment of the present application;
fig. 6 is a flowchart of another method for manufacturing a peep-proof display panel according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.
In a first aspect, embodiments of the present application provide a peep-proof display panel 100. Referring to fig. 1 and 2, the peep-proof display panel 100 includes a substrate 110, a pixel defining layer 120, a light emitting device layer 130, and a peep-proof layer 140, the pixel defining layer 120 being disposed on the substrate 110.
In some embodiments, the pixel defining layer 120 defines a plurality of first pixel opening regions 121, the light emitting device layer 130 includes a first light emitting device layer 131, the first light emitting device layer 131 is disposed in each of the first pixel opening regions 121, the privacy layer 140 includes a light transmissive layer 141 and a first photochromic film layer 142, the light transmissive layer 141 is disposed on a side of each of the first pixel opening regions 121 facing away from the substrate 110, a channel structure is formed on the light transmissive layer 141, the first photochromic film layer 142 is disposed on a sidewall of the channel structure, and the first photochromic film layer 142 is configured to change color under the irradiation of light of a first wavelength range emitted by the first light emitting device layer 131.
The peep-proof display panel 100 of the embodiment of the application uses the first photochromic film layer 142 to block the light with a large viewing angle by changing the color after being irradiated by the light emitted by the first light emitting device layer 131, thereby achieving the purpose of peep-proof. Specifically, a light-transmitting layer 141 is disposed on a side of each first pixel opening area 121 facing away from the substrate 110, a channel structure is disposed on the light-transmitting layer 141, and a first photochromic film layer 142 is disposed on a sidewall of the channel structure. When the first light emitting device layer 131 is turned on, the first photochromic film layer 142 is turned from colorless transparent to yellow or even dark red, and the light transmittance of the first photochromic film layer 142 is reduced, at this time, since the first photochromic film layer 142 is only disposed on the side wall of the channel structure, the light transmitting layer 141 has good light transmittance, so that forward light is not affected (corresponding to the front view angle is not affected), while lateral light, especially large-angle light is blocked by the first photochromic film layer 142, corresponding to the lateral view angle, especially large view angle, is blurred, thereby achieving the purpose of peeping prevention. In addition, the peep-proof layer 140 is integrated in the peep-proof display panel 100, which is equivalent to adding a layer of material in the peep-proof display panel 100, and does not change the flexibility of the display panel, so that the peep-proof display panel 100 can be used for flexible foldable products.
The photochromic film layer is made of a photochromic material; photochromic refers to a phenomenon that optical properties (such as reflectivity, transmissivity, absorptivity and the like) of a material undergo stable and reversible color change under the action of light, and the appearance is represented by reversible changes of color and transmissivity. Materials with photochromic properties are referred to as photochromic materials.
The photochromic material forming the first photochromic film layer 142 may be a spiropyran derivative, a salicylaldehyde derivative, an azobenzene derivative, a diarylethene derivative, or the like.
In some other embodiments, as shown in fig. 3 and 4, the pixel defining layer 120 defines a plurality of first pixel opening regions 121 and a plurality of second opening regions 122, the light emitting device layer 130 includes a first light emitting device layer 131 and a second light emitting device layer 132, the first light emitting device layer 131 is disposed in each first pixel opening region 121, the second light emitting device layer 132 is disposed in each second opening region 122, the peep preventing layer 140 includes a light transmitting layer 141 and a second photochromic film layer 143, the light transmitting layer 141 is disposed on a side of each first pixel opening region 121 facing away from the substrate 110, a channel structure is formed on the light transmitting layer 141, the second photochromic film layer 143 is disposed on a sidewall of the channel structure, and the second photochromic film layer 143 is configured to be discolored under irradiation of light of a second wavelength range emitted by the second light emitting device layer 132.
According to the peep-proof display panel 100, the second photochromic film layer 143 is utilized to block light rays with a large visual angle by changing the color after being irradiated by light emitted by the second light emitting device layer 132, so that the peep-proof purpose is achieved, and meanwhile, the peep-proof mode and the non-peep-proof mode can be switched. Specifically, when only the first light emitting device layer 131 is turned on, the second photochromic film layer 143 does not change color, the second photochromic film layer 143 has high light transmittance, and is in a fully transparent state, light with a large viewing angle can be emitted through the second photochromic film layer 143, and the peep-proof display panel 100 is in a non-peep-proof mode; when the first light emitting device layer 131 and the second light emitting device layer 132 are both lightened, the second photochromic film layer 143 is irradiated by the light emitted by the second light emitting device layer 132, the color is changed from colorless and transparent to yellow or even dark red, and the transmittance of the second photochromic film layer 143 is reduced, that is, the peep-proof display panel 100 is in the peep-proof mode, at this time, since the second photochromic film layer 143 is only arranged on the side wall of the channel structure, the light transmitting layer 141 has good transmittance, so that forward light is not affected (corresponding to the front view angle and not affected), while lateral light, especially large-angle light is blocked by the second photochromic film layer 143, corresponding to the lateral view angle and especially large view angle and is fuzzy, thereby achieving the purpose of peep-proof. In addition, the peep-proof layer 140 is integrated in the peep-proof display panel 100, which is equivalent to adding a layer of material in the peep-proof display panel 100, and does not change the flexibility of the peep-proof display panel, so that the peep-proof display panel 100 can be used for flexible foldable products.
The photochromic material forming the second photochromic film layer 143 may be a spiropyran derivative, salicylaldehyde derivative, azobenzene derivative, diarylethene derivative, phenanthroimidazole derivative, or the like.
In some embodiments of the present application, the channel structure includes a plurality of strip-shaped openings formed on the light-transmitting layer 141 at intervals, and a first photochromic film layer 142 or a second photochromic film layer 143 is disposed on a sidewall of each strip-shaped opening, so that light with a large viewing angle can be blocked for multiple times, thereby improving the peep-proof effect.
In some embodiments of the present application, the first light emitting device layer 131 is an OLED device layer, and when the OLED device layer is turned on, the first photochromic film layer 142 disposed on the sidewall of the channel structure is excited by the visible light to deepen, and blocks the light emitted from the large viewing angle, thereby playing the peep-proof effect.
In some embodiments of the present application, the second light emitting device layer 132 adopts a UV device layer, the wavelengths of light emitted by the UV device layer and the OLED device layer are different, the second photochromic film layer 143 disposed on the sidewall of the channel structure is deepened by the light excitation color of the second wavelength range emitted by the UV device layer, and prevents the OLED device layer from emitting light from a large viewing angle, thereby playing the peep-proof effect.
In some embodiments of the present application, as shown in fig. 3, a first electrode 150 is disposed on a side of the pixel defining layer 120 near the substrate 110, the first light emitting device layer 131 and the second light emitting device layer 132 share the first electrode 150, a second electrode (not shown in the drawing) is disposed on a side of the first light emitting device layer 131 facing away from the first electrode 150, and a third electrode (not shown in the drawing) is disposed on a side of the second light emitting device layer 132 facing away from the first electrode 150, where the first electrode 150 and the second electrode cooperate to control the first light emitting device layer 131 to light up, and the first electrode 150 and the third electrode cooperate to control the second light emitting device layer 132 to light up, so as to realize independent control of lighting of the first light emitting device layer 131 and the second light emitting device layer 132, thereby facilitating switching of the peep-proof display panel 100 between a peep-proof mode and a non-peep-proof mode, and meeting the requirements for peep-proof under different environments.
In some embodiments of the present application, as shown in fig. 1 and 3, an encapsulation layer 160 is disposed on a side of the pixel defining layer 120 near the peep-proof layer 140, where the encapsulation layer 160 includes a first inorganic layer 161, an organic layer 162, and a second inorganic layer 163 sequentially disposed along a direction away from the pixel defining layer 120, so as to encapsulate the peep-proof display panel 100.
In some embodiments of the present application, as shown in fig. 4, the number of second opening regions 122 is less than the number of first pixel opening regions 121 to avoid the influence of the UV device layer on the OLED device layer.
In some embodiments of the present application, the transparent layer 141 may be a transparent polymer film, and the transparent polymer film has a light extraction function, so as to ensure smooth light extraction of the first light emitting device layer 131.
In a second aspect, as shown in fig. 5, an embodiment of the present application provides a method for manufacturing a peep-proof display panel 100, including:
s101: forming a pixel defining layer 120 on a substrate 110, defining a plurality of first pixel opening regions 121 in the pixel defining layer 120, and disposing a first light emitting device layer 131 in each of the first pixel opening regions 121;
s102: a light-transmitting layer 141 is formed on a side of each first pixel opening region 121 facing away from the substrate 110, a channel structure is formed on the light-transmitting layer 141, and a first photochromic film layer 142 is formed on a sidewall of the channel structure.
In some embodiments of the present application, in the step S102, a channel structure may be formed on the light-transmitting layer 141 by using a laser etching method, and the first photochromic film layer 142 may be formed on the sidewall of the channel structure by using an inkjet printing technique.
In other embodiments, as shown in fig. 6, another method for manufacturing the peep-proof display panel 100 is provided, which includes:
s201: forming a pixel defining layer 120 on a substrate 110, defining a plurality of first pixel opening regions 121 and a plurality of second opening regions 122 in the pixel defining layer 120, wherein a first light emitting device layer 131 is disposed in each of the first pixel opening regions 121, and a second light emitting device layer 132 is disposed in each of the second opening regions 122;
s202: a light-transmitting layer 141 is formed on a side of each first pixel opening region 121 facing away from the substrate 110, a channel structure is formed on the light-transmitting layer 141, and a second photochromic film layer 143 is formed on a sidewall of the channel structure.
In some embodiments of the present application, in the step S202, a channel structure may be formed on the light-transmitting layer 141 using a laser etching method, and the second photochromic film layer 143 may be formed on the sidewall of the channel structure using an inkjet printing technique.
In a third aspect, embodiments of the present application provide a peep-proof display device, including the peep-proof display panel 100 in any of the above embodiments. The peep-proof display panel 100 in any of the above embodiments uses the first photochromic film layer 142 to block the light with a large viewing angle by changing the color after being irradiated by the light emitted by the first light emitting device layer 131, or uses the second photochromic film layer 143 to block the light with a large viewing angle by changing the color after being irradiated by the light emitted by the second light emitting device layer 132, so as to achieve the purpose of peep-proof.
It is noted that 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 variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application. Any modifications, equivalent substitutions, improvements, etc. that are within the spirit and principles of the present application are intended to be included within the scope of the present application.
Claims (10)
1. A privacy display panel comprising:
a substrate;
a pixel defining layer defining a plurality of first pixel opening areas;
a light emitting device layer including a first light emitting device layer disposed at each first pixel opening region;
the peep-proof layer comprises a light-transmitting layer and a first photochromic film layer, the light-transmitting layer is arranged on one side, deviating from the substrate, of each first pixel opening area, a channel structure is arranged on the light-transmitting layer, the first photochromic film layer is arranged on the side wall of the channel structure, and the first photochromic film layer is configured to change color under the irradiation of light in a first wavelength range emitted by the first light-emitting device layer.
2. A privacy display panel comprising:
a substrate;
a pixel defining layer defining a plurality of first pixel opening regions and a plurality of second opening regions;
a light emitting device layer including a first light emitting device layer disposed within each of the first pixel opening regions and a second light emitting device layer disposed within each of the second opening regions,
the peep-proof layer comprises a light-transmitting layer and a second photochromic film layer, the light-transmitting layer is arranged on one side, away from the substrate, of each first pixel opening area, a channel structure is arranged on the light-transmitting layer, the second photochromic film layer is arranged on the side wall of the channel structure, and the second photochromic film layer is configured to change color under the irradiation of light in a second wavelength range emitted by the second light-emitting device layer.
3. The privacy display panel of claim 1 or 2, wherein: the channel structure comprises a plurality of strip-shaped openings formed in the light-transmitting layer at intervals.
4. The privacy display panel of claim 1 or 2, wherein: the first light emitting device layer adopts an OLED device layer.
5. The privacy display panel of claim 2, wherein: the second light emitting device layer employs a UV device layer.
6. The privacy display panel of claim 2, wherein: the number of the second opening regions is smaller than the number of the first pixel opening regions.
7. The privacy display panel of claim 1 or 2, wherein: the light-transmitting layer adopts a transparent polymer film.
8. A method of manufacturing a privacy display panel according to claim 1, comprising:
forming a pixel defining layer on a substrate, and defining a plurality of first pixel opening areas in the pixel defining layer, wherein a first light emitting device layer is arranged in each first pixel opening area;
and forming a light-transmitting layer on one side of each first pixel opening area, which is far away from the substrate, wherein a channel structure is formed on the light-transmitting layer, and a first photochromic film layer is formed on the side wall of the channel structure.
9. A method of manufacturing a privacy display panel according to claim 2, comprising:
forming a pixel defining layer on a substrate, wherein the pixel defining layer is limited to a plurality of first pixel opening areas and a plurality of second opening areas, a first light-emitting device layer is arranged in each first pixel opening area, and a second light-emitting device layer is arranged in each second opening area;
and forming a light-transmitting layer on one side of each first pixel opening area, which is far away from the substrate, wherein a channel structure is formed on the light-transmitting layer, and a second photochromic film layer is formed on the side wall of the channel structure.
10. A peep-proof display device characterized by comprising the peep-proof display panel according to claims 1 to 7.
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| CN202110969006.XA CN113690285B (en) | 2021-08-23 | 2021-08-23 | Peep-proof display panel, manufacturing method thereof and peep-proof display device |
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