CN112991950B - Folding screen and electronic equipment - Google Patents
Folding screen and electronic equipment Download PDFInfo
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- CN112991950B CN112991950B CN202110219209.7A CN202110219209A CN112991950B CN 112991950 B CN112991950 B CN 112991950B CN 202110219209 A CN202110219209 A CN 202110219209A CN 112991950 B CN112991950 B CN 112991950B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
Abstract
The application discloses folding screen and electronic equipment belongs to and shows technical field. The foldable screen can be switched between a folded state and an unfolded state, the display surface of the first screen and the display surface of the second screen face in opposite directions in the folded state, and the display surface of the first screen and the display surface of the second screen face in the same direction in the unfolded state; the first screen adopts from the luminescent screen, and the second screen adopts liquid crystal display, and first screen is including luminous functional layer, and pointolite spotlight layer and first screen laminating, under fold condition, pointolite spotlight layer is located between first screen and the second screen. In the embodiment of the application, the first screen and the second screen which are not integrated are adopted, so that the design difficulty and the manufacturing cost can be reduced, the protection structure can be arranged on the folding edge to enhance the anti-impact capability, and the same or different pictures can be displayed on the first screen and the second screen; in addition, the second screen can save display power consumption by adopting the light emitted by the first screen as a backlight source.
Description
Technical Field
The application belongs to the technical field of display, and particularly relates to a folding screen and an electronic device.
Background
At present, an electronic device adopting a folding design generally uses an Active-matrix organic light-emitting diode (AMOLED) display screen, and the flexible AMOLED display screen is bent to obtain a main screen located on the front side of the electronic device and a sub-screen located on the back side of the electronic device. However, the above design has the following disadvantages: firstly, the screen material and the manufacturing process have high cost; secondly, because the existing main screen and the auxiliary screen are connected together, the falling and collision prevention capability of the joint of the main screen and the auxiliary screen is greatly reduced, and the screen is extremely easy to damage; thirdly, because the main screen and the auxiliary screen are of an integrated structure, the main screen and the auxiliary screen can only display the same picture at the same time, different pictures can not be displayed at the same time generally, and even if software with corresponding split-screen pictures is adopted for improvement, a plurality of limitations exist, and the use is inconvenient.
Disclosure of Invention
The embodiment of the application aims to provide a folding screen and electronic equipment, and the problems that in the prior art, due to the fact that a main screen and an auxiliary screen are integrated and a flexible display screen is adopted, the joint of the main screen and the auxiliary screen is easy to damage, different pictures cannot be displayed simultaneously, and the screen cost is high can be solved.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a foldable screen, where the foldable screen includes:
the foldable screen can be switched between a folded state and an unfolded state, in the folded state, the direction of the display surface of the first screen is opposite to that of the display surface of the second screen, and in the unfolded state, the direction of the display surface of the first screen is the same as that of the display surface of the second screen; the first screen adopts from the luminescent screen, the second screen adopts liquid crystal display, the first screen is including luminous functional layer, pointolite spotlight layer with the laminating of first screen, under fold condition, pointolite spotlight layer is located first screen with between the second screen.
Optionally, the first screen further includes a cathode layer, an anode layer, a first electrochromic layer, and a second electrochromic layer, the light emitting functional layer is located between the cathode layer and the anode layer, the first electrochromic layer is located between the cathode layer and the light emitting functional layer, the second electrochromic layer is located on a side of the anode layer away from the light emitting functional layer, and the point light source condensing layer is located on a side of the second electrochromic layer away from the anode layer; controlling whether the first screen and the second screen display or not by controlling the first electrochromic layer and the second electrochromic layer to switch between a colored state and a faded state.
Optionally, the controlling whether the first screen and the second screen display by controlling the first electrochromic layer and the second electrochromic layer to switch between a colored state and a faded state comprises:
under the condition that the light-emitting functional layer emits light, the first electrochromic layer is in a fading state, and the second electrochromic layer is in a coloring state, the first screen displays, and the second screen does not display;
when the light-emitting functional layer emits light, the first electrochromic layer is in a colored state, and the second electrochromic layer is in a faded state, the first screen does not display, and the second screen displays;
and under the condition that the luminous functional layer emits light and the first electrochromic layer and the second electrochromic layer are in fading states, the first screen and the second screen display.
Optionally, the first screen further includes a first encapsulation layer, a polarizer and a glass cover plate, which are sequentially stacked on the cathode layer and are far away from the light-emitting function layer.
Optionally, the first screen further comprises a second encapsulation layer disposed between the second electrochromic layer and the point light source light collection layer.
Optionally, the first screen includes a plurality of pixel units that the array distributes, the pointolite spotlight layer includes convex lens array and second convex lens, the convex lens array includes a plurality of first convex lens that the array distributes, each first convex lens corresponds the setting with the pixel unit of first predetermined quantity for the light that the first pixel unit of predetermined quantity sent of convergence, the second convex lens is used for the convergence follow the light that first convex lens jetted out, in order to regard as the backlight of second screen.
Optionally, the first screen is an AMOLED screen.
Optionally, the display area of the first screen is larger than the display area of the second screen.
Optionally, the brightness of the backlight of the second panel is greater than 4000nit.
Optionally, the first screen and the second screen are rotatably connected, so that the folding screen can be switched between a folding state and an unfolding state.
In a second aspect, an embodiment of the present application provides an electronic device, which includes the foldable screen as described in the first aspect.
In the embodiment of the application, the first screen and the second screen which are not integrated are adopted, so that the design difficulty and the manufacturing cost can be reduced, the protection structure can be arranged on the folding edge to enhance the anti-impact capability, and the same or different pictures can be displayed on the first screen and the second screen; in addition, the second screen can save display power consumption by adopting the light emitted by the first screen as a backlight source.
Drawings
Fig. 1 is a schematic diagram of an electronic device in the related art;
FIG. 2 is a second schematic diagram of an electronic apparatus in the related art;
fig. 3 is a schematic diagram of a foldable screen according to an embodiment of the present application;
fig. 4 is a second schematic view of a foldable screen according to an embodiment of the present application;
FIG. 5 is a schematic view of a laminated structure of a first screen provided in an embodiment of the present application;
fig. 6 is a structural diagram of an electrochromic device provided in an embodiment of the present application;
FIG. 7 is a schematic diagram illustrating a first screen being lit according to an embodiment of the present application;
FIG. 8 is a schematic diagram illustrating illuminating a second screen according to an embodiment of the present application;
FIG. 9 is a schematic diagram illustrating simultaneous illumination of a first screen and a second screen according to an embodiment of the present application;
FIG. 10 is a schematic diagram of a convex lens array provided in an embodiment of the present application;
FIG. 11 is a diagram illustrating a plurality of pixel units forming a single light spot according to an embodiment of the present application;
FIG. 12 is a schematic diagram of a plurality of single spots corresponding to a first convex lens according to an embodiment of the present application;
fig. 13 is a schematic diagram of providing a backlight source for a second panel according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The foldable screen and the electronic device provided by the embodiment of the present application are described in detail through specific embodiments and application scenarios thereof in conjunction with the accompanying drawings.
Referring to fig. 1 and fig. 2, fig. 1 is a first schematic diagram of an electronic device in the related art, and fig. 2 is a second schematic diagram of the electronic device in the related art. As shown in fig. 1 and 2, in the related art, the electronic device 10 includes the flexible display screen 11, and the flexible display screen 11 includes a portion located on the front side of the electronic device 10 and a portion bent to the back side of the electronic device 10, that is, the main screen and the sub-screen which can rotate relatively are obtained by a bending process, but the above design has the following disadvantages: firstly, the display screen with bending performance is generally a flexible display screen, specifically an AMOLED screen and the like, and the cost of screen materials and manufacturing process is very high; secondly, because the existing main screen and the auxiliary screen are connected together, the anti-falling and anti-collision capacity of the bending connection part of the main screen and the auxiliary screen is greatly reduced, and the screen is easy to damage; thirdly, because the main screen and the auxiliary screen are of an integrated structure, the main screen and the auxiliary screen can only display the same picture at the same time, different pictures can not be displayed at the same time generally, even if software with corresponding split screen pictures is adopted for improvement, a plurality of limitations exist, and the use is inconvenient.
Therefore, referring to fig. 3 and fig. 4, fig. 3 is a first schematic diagram of a foldable screen provided in the embodiment of the present application, and fig. 4 is a second schematic diagram of a foldable screen provided in the embodiment of the present application. As shown in fig. 3 and 4, the present embodiment provides a folding screen, where the folding screen 30 includes a first screen 31, a second screen 32, and a point light source condensing layer 33; the first screen 31 and the second screen 32 are rotatably connected, that is, the first screen 31 and the second screen 32 can rotate relatively, so that the foldable screen can be switched between a folded state and an unfolded state, for example, adjacent edges of the first screen 31 and the second screen 32 can be connected through a folding mechanism, a hinge mechanism, and the like to realize a folding function, when the foldable screen is in the folded state, the orientation of the display surface of the first screen 31 is opposite to the orientation of the display surface of the second screen 32, and when the foldable screen is in the unfolded state, the orientation of the display surface of the first screen 31 is the same as the orientation of the display surface of the second screen 32. In the folded state (fig. 4), the point light source condensing layer 33 is located between the first screen 31 and the second screen 32, the first screen 31 is usually disposed on the front side of the electronic device, and the second screen 32 is usually disposed on the back side of the electronic device, i.e., the first screen 31 is a main screen and the second screen 32 is a sub-screen. In the embodiment of the present application, the first screen 31 is a self-luminous screen, that is, a screen that can emit light by itself without backlight, for example, the self-luminous screen may be an OLED screen, and more specifically, the self-luminous screen may be an AMOLED screen, the second screen 32 is a liquid crystal display screen, and the liquid crystal display screen is a non-active light emitting device and can display normally without backlight. First screen 31 includes the luminous functional layer, the luminous functional layer is used for the self-luminescence, and pointolite spotlight layer 33 then laminates with first screen 31, and under fold condition, pointolite spotlight layer 33 is located between first screen 31 and second screen 32, specifically speaking, pointolite spotlight layer 33 sets up in the one side that first screen 31 deviates from the display surface for the light that the luminous functional layer of first screen 31 of convergence sent is in order to be regarded as the backlight of second screen 32, makes second screen 32 normally show.
Therefore, in the embodiment of the application, the first screen 31 and the second screen 32 are separately arranged and adopt different screen structures, so that any part of the first screen 31 or the second screen 32 does not exist at the bent edge of the folding screen, and the edge part can be left for protection, thereby improving the falling or impact resistance of the folding screen; in addition, the first screen 31 and the second screen 32 can be independently displayed, so that the first screen 31 and the second screen 32 are allowed to simultaneously display different pictures, and the display effect can be improved; in addition, since the second panel 32 can use the light emitted from the light emitting function layer of the first panel 32 as a backlight, the backlight power consumption of the second panel 32 can be saved.
Please refer to fig. 5, which is a schematic diagram of a stacked structure of a first screen according to an embodiment of the present application. As shown in fig. 5, in the present embodiment, the first screen 31 further includes a cathode layer 314, an anode layer 317, a first electrochromic layer 315, and a second electrochromic layer 318; the light emitting functional layer 316 is located between the cathode layer 314 and the anode layer 317, the first electrochromic layer 315 is located between the cathode layer 314 and the light emitting functional layer 316, the second electrochromic layer 318 is located on one side of the anode layer 317, which is far away from the light emitting functional layer 317, and the point light source light condensing layer 33 is located on one side of the second electrochromic layer 318, which is far away from the anode layer 317; by controlling the first electrochromic layer 315 and the second electrochromic layer 318 to switch between the colored state and the faded state, it is possible to control whether the first screen 31 and the second screen 32 display.
In some embodiments of the present application, the light emitting function layer 316 may include, for example, an electron injection layer 3161, an electron transport layer 3162, an organic light emitting layer 3163, a hole transport layer 3164, and a hole injection layer 3165, which are sequentially stacked, and the light emitting function layer 216 may be made to emit light autonomously by applying a voltage between the cathode layer 314 and the anode layer 317. Of course, the lamination structure of the light emitting function layer 316 may be changed according to actual conditions, and the specific lamination structure of the light emitting function layer 316 is not limited in the embodiments of the present application.
In some embodiments of the present disclosure, the first panel 31 further includes a glass cover plate 311, a polarizer 312, a first encapsulation layer 313, a second encapsulation layer 319, and a driving transistor 320, the glass cover plate 311, the polarizer 312, and the first encapsulation layer 313 are sequentially disposed on a side of the cathode layer 314 away from the light-emitting functional layer 316, the second encapsulation layer 319 is disposed between the second electrochromic layer 318 and the point light-collecting layer 33, and the driving transistor 320 is configured to control whether the light-emitting functional layer 316 emits light.
Please refer to fig. 6, which is a structural diagram of an electrochromic device according to an embodiment of the present application. As shown in fig. 6, an electrochromic device may specifically include a lower base material layer 61, a first conductive layer 62, an electrochromic layer 63, an electrolyte layer 64, an ion storage layer 65, a second conductive layer 66, and an upper base material layer 67, which are sequentially disposed on the lower base material layer 61, wherein the first conductive layer 62 and the second conductive layer 66 are respectively connected to a positive voltage and a negative voltage. The working principle of the electrochromic layer is as follows: by changing the polarity of the applied voltage, the electrochromic layer can be stably switched between two states, a colored state (forward voltage application) and a discolored state (reverse voltage application). When the electrochromic layer is in the colored state, light cannot pass through and is reflected; when the electrochromic layer is in the faded state, light may pass through. Since the light emitting functional layer 316 in the embodiment of the present application is located between the first electrochromic layer 315 and the second electrochromic layer 318, by controlling the first electrochromic layer 315 and the second electrochromic layer 318 to switch between the colored state and the discolored state, it is possible to control whether or not light emitted from the light emitting functional layer 316 can pass through the first electrochromic layer 315 and the second electrochromic layer 318, thereby achieving control of the display states of the first screen 31 and the second screen 32.
In this embodiment, specifically, controlling whether the first screen and the second screen display or not by controlling the first electrochromic layer and the second electrochromic layer to switch between a colored state and a faded state includes:
under the condition that the light-emitting functional layer emits light, the first electrochromic layer is in a fading state, and the second electrochromic layer is in a coloring state, the first screen displays, and the second screen does not display;
when the light-emitting functional layer emits light, and the first electrochromic layer is in a colored state and the second electrochromic layer is in a faded state, the first screen does not display and the second screen displays;
and under the condition that the luminous functional layer emits light and the first electrochromic layer and the second electrochromic layer are in fading states, the first screen and the second screen display.
Please refer to fig. 7, which is a schematic diagram of lighting the first screen according to an embodiment of the present disclosure. As shown in fig. 7, in the case where the light emitting functional layer 316 emits light, and the first electrochromic layer 315 is in a discolored state and the second electrochromic layer 318 is in a colored state, light emitted from the organic light emitting layer 3163 in the light emitting functional layer 316 travels upward and downward, respectively, and may pass through the first electrochromic layer 315 when traveling upward, and may be reflected at the second electrochromic layer 318 to be transferred upward when traveling downward, so that the first screen 31 normally displays, and the second screen 32 does not display.
Please refer to fig. 8, which is a diagram illustrating a second screen being lit according to an embodiment of the present application. As shown in fig. 8, in the case where the light-emitting functional layer 316 emits light, and the first electrochromic layer 315 is in a colored state and the second electrochromic layer 318 is in a faded state, light emitted from the organic light-emitting layer 3163 in the light-emitting functional layer 316 respectively travels upward and downward, and may pass through the second electrochromic layer 318 when traveling downward, and when traveling upward, it is reflected at the first electrochromic layer 315 to travel downward, and then reaches the point light source condensing layer 33, and it is used as a backlight of the second screen 32 by the condensing action of the point light source condensing layer 33, so that the second screen 32 normally displays, and at this time, the first screen 31 does not display.
Please refer to fig. 9, which is a schematic diagram illustrating the simultaneous illumination of the first screen and the second screen according to an embodiment of the present application. As shown in fig. 9, in a case where the light-emitting functional layer 316 emits light and the first electrochromic layer 315 and the second electrochromic layer 318 are in a color fading state, light emitted by the organic light-emitting layer 3163 in the light-emitting functional layer 316 respectively travels upward and downward, and may pass through the first electrochromic layer 315 when traveling upward, so that the first screen 31 displays normally, and may pass through the second electrochromic layer 318 when traveling downward, and then reach the point light source light-condensing layer 33, and the light passes through the light-condensing layer 33 to serve as a backlight source of the second screen 32, so that the second screen 32 displays normally.
In some embodiments of this application, first screen includes a plurality of pixel units of array distribution, the pointolite spotlight layer includes convex lens array and second convex lens, the convex lens array includes a plurality of first convex lens of array distribution, each first convex lens corresponds the setting with the first pixel unit of predetermineeing quantity for the light that the first pixel unit of predetermineeing quantity sent of converging, the second convex lens be used for the convergence follow the light that first convex lens jetted out, in order to regard as the backlight of second screen.
Referring to fig. 10 to 13, fig. 10 is a schematic view of a convex lens array according to an embodiment of the present disclosure; fig. 11 is a schematic view of a single light spot formed by a plurality of pixel units according to an embodiment of the present disclosure, fig. 12 is a schematic view of a plurality of single light spots corresponding to a first convex lens according to an embodiment of the present disclosure, and fig. 13 is a schematic view of a backlight source provided for a second panel according to an embodiment of the present disclosure. As shown in fig. 10 to 13, in the embodiment of the present invention, the convex lens array 331 includes a plurality of first convex lenses 3311 distributed in an array, and the plurality of first convex lenses 3311 may be integrally formed on a glass substrate; when each first convex lens 3311 is disposed corresponding to a first predetermined number of pixel units 321, at least one pixel unit 321 may form a single light spot, for example, 9 pixel units 321 form a single light spot, and then a first convex lens 3311 is matched for a plurality of single light spots, for example, 4 single light spots correspond to one first convex lens 3311, and the convex lens array 331 corresponds to a second convex lens 332 with a large area, so that light emitted from the light-emitting functional layer 316 in the first panel 31 is first converged by the first convex lenses 3311 on the convex lens array 331, and then enters the second convex lens 332, and is second converged by the second convex lens 332, and finally, light emitted from the second convex lens 332 is irradiated onto the second panel, so that the second panel emits light normally.
In some embodiments of the present application, optionally, the display area of the first screen 31 is larger than that of the second screen 32, so that light emitted from the first screen 31 is collected to the second screen 32 with a small area through the point light source light collecting layer 33 to be used as backlight, and a sufficiently high brightness can be achieved. Optionally, the luminance of the backlight source of the second screen is greater than 4000nit, that is, the luminance of the light collected onto the second screen 32 with a small area through the point light source light collecting layer 33 is greater than 400nit, because the point light source light collecting layer 33 in the embodiment of the present application can generate direct light to irradiate the liquid crystal layer of the second screen, the reduced loss of light path refraction/reflection can reach 2/3 of the loss of the original backlight of the existing liquid crystal display screen, and the display power consumption of the second screen is effectively reduced.
In the embodiment of the application, by adopting the first screen and the second screen which are not integrated, the design difficulty and the manufacturing cost can be reduced, the protection structure can be arranged on the folding edge to enhance the anti-collision capability, and the same or different pictures can be displayed on the first screen and the second screen; in addition, the second screen can save display power consumption by adopting the light emitted by the first screen as a backlight source.
In another aspect, an embodiment of the present application further provides an electronic device, where the electronic device includes the foldable screen described in the above embodiment, and the foldable screen in the above embodiment adopts the first screen and the second screen which are not integrated, so that the design difficulty and the manufacturing cost can be reduced, the protection structure can be disposed on the folded edge to enhance the impact resistance, and the same or different pictures can be displayed on the first screen and the second screen; in addition, the second screen can save display power consumption by adopting the light emitted by the first screen as a backlight source, and the electronic device in the embodiment of the application also has the beneficial effects correspondingly, so that repeated description is avoided.
The electronic device in the embodiment of the present application may be a mobile electronic device, and may also be a non-mobile electronic device. For example, the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a palm top computer, a vehicle-mounted electronic device, a wearable device, an ultra-mobile personal computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like, and the non-mobile electronic device may be a Personal Computer (PC), and the like, and the embodiment of the present application is not particularly limited.
It should be noted that, in this document, 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 phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.
Claims (10)
1. A folding screen is characterized by comprising a point light source light-gathering layer, a first screen and a second screen, wherein the folding screen can be switched between a folded state and an unfolded state, in the folded state, the orientation of a display surface of the first screen is opposite to that of a display surface of the second screen, and in the unfolded state, the orientation of the display surface of the first screen is the same as that of the display surface of the second screen; the first screen adopts from the luminescent screen, the second screen adopts liquid crystal display, the first screen is including luminous functional layer, pointolite spotlight layer with the laminating of first screen, under fold condition, pointolite spotlight layer is located first screen with between the second screen.
2. A folded screen according to claim 1, wherein the first screen further comprises a cathode layer, an anode layer, a first electrochromic layer and a second electrochromic layer, the light emitting functional layer being located between the cathode layer and the anode layer, the first electrochromic layer being located between the cathode layer and the light emitting functional layer, the second electrochromic layer being located on a side of the anode layer remote from the light emitting functional layer, the point light source condensing layer being located on a side of the second electrochromic layer remote from the anode layer; controlling whether the first screen and the second screen display or not by controlling the first electrochromic layer and the second electrochromic layer to switch between a colored state and a faded state.
3. The foldable screen of claim 2, wherein the controlling whether the first and second screens display by controlling the first and second electrochromic layers to switch between a colored state and a faded state comprises:
under the condition that the light-emitting functional layer emits light, the first electrochromic layer is in a fading state, and the second electrochromic layer is in a coloring state, the first screen displays, and the second screen does not display;
when the light-emitting functional layer emits light, the first electrochromic layer is in a colored state, and the second electrochromic layer is in a faded state, the first screen does not display, and the second screen displays;
and under the condition that the luminous functional layer emits light and the first electrochromic layer and the second electrochromic layer are in fading states, the first screen and the second screen display.
4. The folding screen of claim 2, wherein the first screen further comprises a first encapsulating layer, a polarizer and a glass cover plate, which are sequentially stacked on the cathode layer on the side away from the light-emitting functional layer.
5. A folded screen of claim 2 wherein the first screen further comprises a second encapsulation layer disposed between the second electrochromic layer and the point source light concentrating layer.
6. The folding screen of claim 1, wherein the first screen comprises a plurality of pixel units distributed in an array, the point light source light-focusing layer comprises a convex lens array and a second convex lens, the convex lens array comprises a plurality of first convex lenses distributed in an array, each first convex lens is arranged corresponding to a first preset number of pixel units and is used for focusing light emitted by the first preset number of pixel units, and the second convex lens is used for focusing light emitted by the first convex lenses to serve as a backlight source of the second screen.
7. A folding screen according to claim 1 wherein said first screen is an AMOLED screen.
8. A folding screen as recited in claim 1 wherein the display area of the first screen is greater than the display area of the second screen.
9. A folding screen according to claim 1 wherein said first and second panels are pivotally connected to allow said folding screen to be switched between a folded position and an unfolded position.
10. An electronic device characterized by comprising a folding screen according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219209.7A CN112991950B (en) | 2021-02-26 | 2021-02-26 | Folding screen and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219209.7A CN112991950B (en) | 2021-02-26 | 2021-02-26 | Folding screen and electronic equipment |
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| CN112991950A CN112991950A (en) | 2021-06-18 |
| CN112991950B true CN112991950B (en) | 2023-01-13 |
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| CN114415999A (en) * | 2021-12-27 | 2022-04-29 | 深圳Tcl数字技术有限公司 | Multi-scene application terminal |
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