Display screen and electronic equipment

Abstract

The utility model relates to the technical field of display screens, in particular to a display screen and electronic equipment. The electronic equipment comprises a first protective layer, a second protective layer, a first electrochromic layer, a second electrochromic layer and a display layer, the second subarea of the first electrochromic layer is provided with at least one light-emitting unit in a right-facing mode, and the fourth subarea of the second electrochromic layer is provided with at least one light-emitting unit in a right-facing mode. By arranging one display layer, double-side display of the first display surface and the second display surface can be realized, the light and thin design of the display screen is easy to realize, and the power consumption of the display screen can also be reduced. And when single-side display is carried out through the first display surface or the second display surface, all the light-emitting units of the display screen can form a picture, and at the moment, the picture is high in resolution, high in definition and relatively high in brightness. Besides, the first electrochromic layer and the second electrochromic layer are arranged, so that the first display surface and the second display surface of the display screen respectively and independently display pictures, and the display effect is good.

Description

Technical Field

[0001] The present application relates to the technical field of display screens, and in particular to a display screen and an electronic device. Background Art

[0002] In recent years, with the continuous development of the diversification of electronic device product forms, double-sided display and interaction have gradually become an important direction for the development of future electronic devices. As an expansion and extension of the screen, double-sided display has important value and significance in the switching of electronic product forms and the improvement of efficiency.

[0003] In the prior art, there is a solution for realizing double-sided display by stacking two display panels back to back, but the display screen of this solution is relatively thick and heavy and consumes high power. Utility Model Content

[0004] The purpose of the embodiments of the present application is to provide a display screen and an electronic device. The display screen and the electronic device provided by the present application can realize double-sided display and have the characteristics of being light, thin and low in power consumption.

[0005] In a first aspect, an embodiment of the present application provides a display screen, comprising a first protective layer, a second protective layer, a first electrochromic layer, a second electrochromic layer and a display layer; the display layer has a plurality of light-emitting units, and the display layer has a first light-emitting surface and a second light-emitting surface opposite to each other; the first protective layer is fixedly connected to the first light-emitting surface of the display layer; the second protective layer is fixedly connected to the second light-emitting surface of the display layer; the first electrochromic layer is installed between the display layer and the first protective layer, the first electrochromic layer has a first partition and a second partition, the first partition and the second partition are arranged in a thickness direction perpendicular to the display screen, and the first partition and the second partition can be energized to change the transmittance respectively; the second electrochromic layer is installed between the display layer and the second protective layer, the second electrochromic layer has a third partition and a fourth partition, the third partition and the fourth partition are arranged in a thickness direction perpendicular to the display screen, and the third partition and the fourth partition can be energized to change the transmittance respectively; wherein, in the thickness direction of the display screen, the first partition covers the fourth partition, the third partition covers the second partition, at least one light-emitting unit is arranged opposite to the second partition, and at least one light-emitting unit is arranged opposite to the fourth partition.

[0006] The first protective layer, the first electrochromic layer, the display layer, the second electrochromic layer and the second protective layer may be stacked in sequence.

[0007] Among them, since the first partition and the second partition are arranged in the thickness direction perpendicular to the display screen, the third partition and the fourth partition are arranged in the thickness direction perpendicular to the display screen, and since the first partition can cover the fourth partition and the third partition can cover the second partition, therefore, in the thickness direction perpendicular to the display screen, the second partition and the fourth partition are equivalent to a staggered setting.

[0008] Furthermore, since a light-emitting unit is disposed opposite to the second partition and a light-emitting unit is disposed opposite to the fourth partition, the light-emitting unit corresponding to the second partition is different from the light-emitting unit corresponding to the fourth partition.

[0009] Furthermore, since the transmittance of the first partition and the second partition can be adjusted separately, the transmittance of the third partition and the fourth partition can be adjusted separately, when the third partition is in a non-transparent state and the second partition is in a transparent state, the light-emitting unit corresponding to the second partition can emit light from the first display surface, and when the first partition is in a non-transparent state and the fourth partition is in a transparent state, the light-emitting unit corresponding to the fourth partition can emit light from the second display surface; through the combination of multiple light-emitting units, the first display surface can display the first picture, and the second display surface can display the second picture, and the first picture and the second picture are independent of each other, so the contents of the first picture and the second picture can be the same or different, that is, the display screen is in a double-sided non-linked display mode.

[0010] It is understandable that when the first partition and the second partition are in the same state, the first electrochromic layer is equivalent to adjusting the transmittance as a whole, and when the third partition and the fourth partition are in the same state, the second electrochromic layer is equivalent to adjusting the transmittance as a whole. At this time, the display screen can be displayed on the first display surface or the second display surface alone, or can be displayed in conjunction with the first display surface and the second display surface, or both the first display surface and the second display surface are opaque to achieve the anti-peeping function.

[0011] In the embodiment of the present application, by providing a display layer, double-sided display of the first display surface and the second display surface can be realized, which makes it easy to realize the lightweight design of the display screen and reduce the power consumption of the display screen. In addition, when displaying on the first display surface or the second display surface, all the light-emitting units of the display screen can form a picture, and the picture resolution, clarity and brightness can also be high.

[0012] In addition, by providing the first electrochromic layer and the second electrochromic layer, the first display surface and the second display surface of the display screen can display images independently, thereby realizing double-sided non-linked display of the display screen.

[0013] In some embodiments, there are multiple second partitions, the multiple second partitions are arranged at intervals, and the multiple second partitions are embedded in the first partition; and / or, there are multiple fourth partitions, the multiple fourth partitions are arranged at intervals, and the multiple fourth partitions are embedded in the third partition.

[0014] In this embodiment, in the thickness direction perpendicular to the display screen, multiple second partitions and multiple fourth partitions are equivalent to being staggered, which is beneficial to fully utilizing the multiple light-emitting units and making the distribution areas of the second partitions and the fourth partitions larger, thereby facilitating the first display surface and the second display surface of the display screen to have a larger display area.

[0015] In some embodiments, the plurality of second partitions are arranged at intervals along the first direction and at intervals along the second direction, the first direction and the second direction being perpendicular; the plurality of fourth partitions are arranged at intervals along the first direction and the plurality of fourth partitions are arranged at intervals along the second direction.

[0016] In this embodiment, the arrangement of the second partition and the fourth partition is relatively simple and easy to manufacture; in addition, the arrangement of multiple second partitions and multiple fourth partitions is easy to adapt to the arrangement of multiple light-emitting units, which facilitates the corresponding setting of the second partition, the fourth partition and the light-emitting unit.

[0017] In some embodiments, in the first direction, the projections of multiple second partitions and the projections of multiple fourth partitions are arranged alternately one by one, and the projections of adjacent second partitions and the projections of fourth partitions are arranged at intervals; and / or, in the second direction, the projections of multiple second partitions and the projections of multiple fourth partitions are arranged alternately one by one, and the projections of adjacent second partitions and the projections of fourth partitions are arranged alternately.

[0018] In this embodiment, the projections of the second partition and the projections of the fourth partition are arranged one by one in an interlaced manner, so that the plurality of light-emitting units can be roughly evenly divided, thereby making full use of the plurality of light-emitting units, and the distribution density and quantity of the second partition and the fourth partition are substantially consistent, so that when the display screen is in a double-sided non-linked display, the display effects of the first display surface and the second display surface are substantially consistent. In addition, since the adjacent second partitions and fourth partitions are arranged at intervals, the light emitted by the light-emitting unit corresponding to the second partition will mainly be transmitted through the second partition, with little effect on the adjacent fourth partition, and the light emitted by the light-emitting unit corresponding to the fourth partition will mainly be transmitted through the fourth partition, with little effect on the adjacent fourth partition.

[0019] In some embodiments, the plurality of second partitions include a plurality of first partition groups, each first partition group includes at least two second partitions, and the at least two second partitions are arranged in a quadrilateral, hexagonal, or circular shape; and / or, the plurality of fourth partitions include a plurality of second partition groups, each second partition group includes at least two fourth partitions, and the at least two fourth partitions are arranged in a quadrilateral, hexagonal, or circular shape.

[0020] In this embodiment, by setting the first zone group and the second zone group, the arrangement of the second partition and the fourth partition is made more diverse, which facilitates the allocation of the correspondence between multiple light-emitting units and the first zone group and the second zone group, and is conducive to selecting different arrangements of the second partition and the fourth partition according to needs.

[0021] In some embodiments, a light emitting unit is disposed opposite to a second subarea, and a light emitting unit is disposed opposite to a fourth subarea.

[0022] In this embodiment, the areas of the second partition and the fourth partition can be set to be smaller, and the number of the second partition and the fourth partition can be set to be larger, so that when the display screen is in double-sided non-linked display, the resolution of the display images on the first display surface and the second display surface is improved, thereby improving the picture clarity.

[0023] In some embodiments, in the thickness direction of the display screen, an area of ​​a second partition is greater than or equal to an area of ​​the light emitting unit, and an area of ​​a fourth partition is greater than or equal to an area of ​​the light emitting unit.

[0024] In this embodiment, the light emitted by the light-emitting unit can be emitted more fully from the second subarea or the fourth subarea, which is beneficial to improving the display brightness of the display screen.

[0025] In some embodiments, an area of ​​the first electrochromic layer and / or the second electrochromic layer is greater than or equal to 90% of an area of ​​the display layer.

[0026] In this embodiment, when the display screen is regulated by the first electrochromic layer and the second electrochromic layer, both the first display surface and the second display surface can have a larger display area, and the user experience is better.

[0027] In some embodiments, the light-emitting unit includes a light-emitting body and a switch unit, and the light-emitting body is electrically connected to the switch unit; the light-emitting body and the switch unit are arranged in a direction perpendicular to the thickness direction of the display screen.

[0028] In this embodiment, since the light-emitting body itself can emit light in the thickness direction of the display screen, and the switching unit will not block the light-emitting body from emitting light in the thickness direction of the display screen, the light of each light-emitting unit in the thickness direction of the display screen is more uniform and has a higher brightness, thereby making the picture displayed on the display layer clearer, which in turn helps to make the picture displayed on the display screen clearer and brighter.

[0029] In some embodiments, the light-emitting unit further includes an anode body and a cathode body, and the anode body, the light-emitting body and the cathode body are stacked in sequence along the thickness direction of the display screen, the anode body is electrically connected to the light-emitting body and the switch unit, the cathode body is electrically connected to the light-emitting body and the switch unit, and the cathode body and the anode body are transparent materials.

[0030] In this embodiment, since both the cathode body and the anode body are made of transparent materials, they have no effect on the light emitted by the light-emitting unit, which is beneficial for the display screen to display higher picture quality.

[0031] In some embodiments, the display layer further includes a substrate, and the substrate encapsulates the light-emitting unit.

[0032] In this embodiment, the substrate wraps the light emitting unit, can support the light emitting unit, and provide better protection for the light emitting unit.

[0033] In some embodiments, the light-emitting unit includes a light-emitting body and a switch unit, and the light-emitting body is electrically connected to the switch unit; the base includes a first part and a second part, the first part and the second part are stacked along the thickness direction of the display screen, and the switch unit is exposed in the first part.

[0034] In this embodiment, the substrate is provided as two stacked parts, which facilitates the manufacture of the display layer.

[0035] In a second aspect, an embodiment of the present application provides an electronic device, comprising a housing device and a display screen as provided in any of the above embodiments, wherein the display screen is mounted on the housing device, and a first display surface and a second display surface of the display screen are exposed relative to the housing device.

[0036] In this embodiment, the electronic device can achieve the characteristics of being light and thin, having a long battery life, and having different working modes, so as to have a wide range of applications and provide a better user experience.

[0037] In some embodiments, the electronic device also includes a keyboard, which is communicatively connected to a display screen; the shell device includes a bottom shell and a top shell, which are rotatably connected to each other, the display screen is mounted on the top shell, the first display surface and the second display surface are respectively exposed on two opposite sides of the top shell, the keyboard is mounted on the bottom shell, and the top shell can be opened or closed relative to the bottom shell, so that the electronic device is in an open state or a closed state.

[0038] In this embodiment, when the electronic device is a laptop computer, in addition to having the functions of a general laptop computer, it can also have double-sided display capabilities and multiple display modes, continuing the user's original usage habits, reducing the steps of user mode switching, and increasing the diversity and technological sense of the use of the electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to illustrate the technical solutions in the embodiments of the present application or the background technology, the drawings required for use in the embodiments of the present application or the background technology will be described below.

[0040] Figure 1 It is a structural schematic diagram of an electronic device provided in an embodiment of the present application;

[0041] Figure 2 yes Figure 1 A schematic diagram of the structure of the electronic device shown in another viewing angle;

[0042] Figure 3 yes Figure 1 A schematic diagram of the working state of the electronic device in some embodiments;

[0043] Figure 4 yes Figure 1 Schematic diagram of working state of the electronic device in other embodiments;

[0044] Figure 5 yes Figure 1 Schematic diagram of working state of the electronic device in some other embodiments;

[0045] Figure 6 yes Figure 1 A schematic diagram of the structure of a display screen of the electronic device shown in some embodiments;

[0046] Figure 7 yes Figure 6 An exploded schematic diagram of the display screen shown;

[0047] Figure 8 is along Figure 6 Sectional view cut at AA in the middle;

[0048] Fig. 9 yes Figure 8 The enlarged schematic diagram of point B in the middle;

[0049] Fig.10 yes Fig. 9 The illustrated display screen is a schematic diagram of emitting light in some embodiments;

[0050] Fig.11 yes Fig. 9 Schematic diagram of the light emission of the display screen in other embodiments;

[0051] Fig.12 yes Fig. 9 Schematic diagram of the light emission of the display screen in some other embodiments;

[0052] Fig.13 yes Fig. 9 Schematic diagram of the light emission of the display screen in some further embodiments;

[0053] Fig.14 yes Figure 7 A schematic diagram of the structure of the first electrochromic layer of the display screen in some embodiments;

[0054] Fig.15 yes Figure 7A schematic diagram of the structure of the second electrochromic layer of the display screen in some embodiments;

[0055] Fig.16 yes Figure 8 The cross-sectional view of the display screen shown is a schematic cross-sectional view of some other embodiments;

[0056] Fig.17 yes Figure 7 The exploded schematic diagram of the partial structure of the display screen in other embodiments;

[0057] Fig.18 yes Fig.16 The display screen shown is a schematic diagram of the working state in some embodiments;

[0058] Fig.19 yes Figure 7 Schematic diagram of the structure of the first electrochromic layer of the display screen in other embodiments;

[0059] Fig. 20 is a schematic diagram of the principle of controlling multiple light-emitting units in some embodiments of the present application;

[0060] Fig.21 This is a schematic diagram of the working status of controlling multiple light-emitting units in some embodiments of the present application. DETAILED DESCRIPTION

[0061] The embodiments of the present application are described below in conjunction with the drawings in the embodiments of the present application.

[0062] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. "Multiple" means at least two.

[0063] The directional terms mentioned in the embodiments of the present application, such as "upper", "lower", "inside", "outside", "top", "bottom", "side", etc., are only references to the directions of the drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present application, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0064] In the embodiments of the present application, the limitations of the relative position relationship mentioned, such as parallel, vertical, aligned, etc. These limitations are all for the current state of the art, rather than absolutely strict limitations, and a small amount of deviation is allowed, and it is possible to be approximately parallel, approximately vertical, approximately aligned, etc. For example, A and B are parallel, which means that A and B are parallel or approximately parallel, and the angle between A and B can be between 0 and 10 degrees. For example, A and B are perpendicular, which means that A and B are perpendicular or approximately perpendicular, and the angle between A and B can be between 80 and 100 degrees.

[0065] In the embodiments of the present application, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", "third", and "fourth" may explicitly or implicitly include one or more of the features.

[0066] See also Figure 1 , Figure 1 It is a structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0067] The embodiment of the present application provides an electronic device, which may be a device with a display screen such as a display, a laptop computer, a tablet computer, a mobile phone, a watch, a billboard, etc. The following is an exemplary description using the electronic device being a laptop computer as an example.

[0068] In some embodiments, the electronic device 1000 includes a housing device 100 , a keyboard 200 , and a display screen 300 . The keyboard 200 and the display screen 300 are both installed in the housing device 100 .

[0069] The housing device 100 may include a top shell 1001, a bottom shell 1002, and a rotating shaft 1003. The top shell 1001 and the bottom shell 1002 are rotatably connected, so that the top shell 1001 can rotate relative to the bottom shell 1002, so that the top shell 1001 can be opened or closed relative to the bottom shell 1002, so that the electronic device is in an open state or a closed state. The top shell 1001 and the bottom shell 1002 may have substantially the same shape, so that the top shell 1001 and the bottom shell 1002 are more tightly fastened when they are fastened.

[0070] Exemplarily, the top shell 1001 and the bottom shell 1002 can be rotatably connected via a rotating shaft 1003, and the rotating shaft 1003 is respectively located at one side of the top shell 1001 and one side of the bottom shell 1002. For example, the maximum angle of the top shell 1001 relative to the bottom shell 1002 can be in the range of 90° to 360°, such as the maximum angle can be 150°, 180°, 270° or 360°, etc., which is not strictly limited in this embodiment. In some other embodiments, the top shell 1001 and the bottom shell 1002 can be rotatably connected via a hinge.

[0071] The keyboard 200 may be fixedly mounted on the bottom shell 1002. The keyboard 200 may have a plurality of keys, and the plurality of keys may be arranged at intervals from each other. The keyboard 200 may be exposed relative to the bottom shell 1002 to facilitate operation of the keyboard 200. The keyboard 200 may be integrally embedded in the bottom shell 1002 and may be detachably connected to the bottom shell 1002 to facilitate assembly and disassembly of the keyboard 200.

[0072] The display screen 300 may be fixedly mounted on the top case 1001. The display screen 300 may occupy most of the area of ​​the top case 1001, and the display screen 300 may be exposed from the top case 1001, so that the display screen 300 can display images.

[0073] It can be understood that the display screen 300 and the keyboard 200 can be arranged relative to each other and communicated with each other. When the top shell 1001 and the bottom shell 1002 are buckled together, the display screen 300 and the keyboard 200 are received by the shell device 100 to protect the keyboard 200 and the display screen 300.

[0074] In some embodiments, the electronic device 1000 may further include a camera 400 . The camera 400 may be located at an edge of the top case 1001 on a side opposite to the rotating shaft 1003 , and the camera 400 may be disposed adjacent to the display screen 300 .

[0075] In some embodiments, the electronic device 1000 may further include a circuit board assembly (not shown). The circuit board assembly may include a processor, a memory, a main board, etc., and the processor, the memory, etc. may be arranged on the main board.

[0076] Exemplarily, the display screen 300, the keyboard 200, and the camera 400 can all be connected to the circuit board assembly for communication. For example, the display screen 300 and the keyboard 200 can be connected to the corresponding interface of the circuit board assembly via a cable. The user can operate the keyboard 200 to input a signal to the circuit board assembly, and the circuit board assembly can output a signal to the display screen 300 through calculation, so that the display screen 300 displays the corresponding content.

[0077] In some examples, the circuit board assembly may also have various interfaces such as a USB (Universal Serial Bus) interface, an audio interface, a power interface, etc. The various interfaces may be fixed to the mainboard and exposed relative to the housing device 100 .

[0078] In some embodiments, the electronic device 1000 may further include a touch panel. The touch panel may be mounted on the bottom housing 1002 and communicated with the circuit board assembly. The touch panel may also be operated by a user to input a signal to the circuit board assembly so that the display screen 300 displays corresponding content.

[0079] Please refer to Figure 1 and Figure 2 , Figure 2 yes Figure 1 The structure of the electronic device 1000 is shown in another perspective.

[0080] In some examples, the display screen 300 may have a first display surface 3001 and a second display surface 3002. The first display surface 3001 and the second display surface 3002 are arranged opposite to each other.

[0081] For example, when the electronic device 1000 is in a closed state, the first display surface 3001 can be arranged relative to the second display surface 3002 toward the keyboard 200. The first display surface 3001 and the second display surface 3002 are both exposed from the top case 1001, and the first display surface and the second display surface are respectively exposed from two opposite sides of the top case 1001. The first display surface 3001 and the second display surface 3002 can both display screen content.

[0082] In this embodiment, when the electronic device 1000 is in the open state, the display screen 300 can be that the first display surface 3001 displays the picture and the second display surface 3002 does not display the picture, or the first display surface 3001 does not display the picture and the second display surface 3002 displays the picture, so that the user can use the first display surface 3001 or the second display surface 3002 of the display screen 300 alone.

[0083] In addition, the first display surface 3001 and the second display surface 3002 may also display images simultaneously. For example, the first display surface 3001 and the second display surface 3002 may display the same image in different directions, that is, the first display surface 3001 and the second display surface 3002 are in a linkage display mode.

[0084] The first display surface 3001 and the second display surface 3002 can also display pictures independently at the same time, that is, the first display surface 3001 and the second display surface 3002 are in a non-linked display mode. For example, part of the content of the first display surface 3001 can be displayed through the second display surface 3002, so that the first display surface 3001 and the second display surface 3002 can interact with different users respectively. Or, in a scene of two people working and entertaining, when working on the first display surface 3001, pictures such as movie animations can be displayed on the second display surface 3002 at the same time, so that the display screen 300 can work through the first display surface 3001 and the second display surface 3002 can be entertained. At this time, the display screen 300 is in a non-linked display mode, and the display screen 300 can display the same or different pictures in different directions through the first display surface 3001 and the second display surface 3002, so that the application range of the electronic device 1000 is wider and the user experience is better.

[0085] The electronic device 1000 of the embodiment of the present application has the characteristics of being light and thin, having a long battery life, and having different working modes, a wide range of applications, and a better user experience. When the electronic device 1000 is a notebook computer, in addition to having the functions of a general notebook computer, it can also have a double-sided display capability and multiple display modes, continuing the user's original usage habits, reducing the steps for the user to switch the form of the electronic device 1000, and increasing the diversity and technological sense of the use of the electronic device 1000.

[0086] Please refer to Figures 3 to 5 , Figure 3 yes Figure 1 The working state diagram of the electronic device 1000 in some embodiments is shown. Figure 4 yes Figure 1 The working state diagram of the electronic device 1000 in other embodiments is shown. Figure 5 yes Figure 1 The electronic device 1000 is shown as a schematic diagram of working status in some further embodiments.

[0087] In some embodiments, when the electronic device 1000 is in different forms, the display screen 300 may have more modes, so that the electronic device 1000 can adapt to a variety of different scenarios, thereby improving the adaptability of the electronic device 1000.

[0088] like Figure 3As shown, in some embodiments, the display screen 300 of the electronic device 1000 may have a transparent mode. Exemplarily, the first display surface 3001 and the second display surface 3002 of the display screen 300 of the electronic device 1000 may be transformed into a transparent state, in which case external light can pass through the display screen 300, so that the display screen 300 forms a transparent screen. In this case, the display screen 300 may not display a picture, and the top shell forms a hollow effect. The display screen 300 may also display a picture, and in this case the picture can form a suspended effect on the real screen.

[0089] like Figure 4 As shown, in some embodiments, the display screen 300 of the electronic device 1000 may have an anti-peeping mode. Exemplarily, the first display surface 3001 and the second display surface 3002 of the display screen 300 of the electronic device 1000 may be transformed into a black screen state, and the light inside and outside the display screen 300 cannot pass through, and the display content of the display screen 300 cannot be seen, thereby realizing the anti-peeping of the electronic device 1000. Exemplarily, the electronic device 1000 may be set to prevent peeping from people other than the user. For example, when the electronic device 1000 detects that someone other than the user is approaching, the anti-peeping mode may be activated to protect information security from a hardware perspective.

[0090] like Figure 5 As shown, in some embodiments, the display screen 300 of the electronic device 1000 can have a tablet mode. Exemplarily, when the electronic device 1000 is in a closed state, the second display surface 3002 of the display screen 300 is exposed from the housing device. At this time, the second display surface 3002 can independently display the screen, and the electronic device 1000 is used in a similar manner to a tablet device, which is convenient for the user to hold and operate the electronic device 1000. In addition, when the electronic device 1000 is not in use or the electronic device 1000 is in a closed state, a customized desktop display can be implemented on the second display surface 3002, and the first display surface 3001 can be non-displayed, which improves the usability of the electronic device while reducing power consumption.

[0091] See also Figure 6 , Figure 6 yes Figure 1 The display screen 300 of the electronic device 1000 is shown as a schematic diagram of the structure in some embodiments.

[0092] For ease of description, the display screen 300 is defined as having a thickness direction, a length direction and a width direction, and the thickness direction, the length direction and the width direction of the display screen 300 are perpendicular to each other, wherein the thickness direction may be the Z direction, the length direction may be the Y direction, and the width direction may be the X direction.

[0093] In some embodiments, the display screen 300 may have a plurality of light emitting units 53 .

[0094] For example, the display screen 300 may be a substantially rectangular thin film structure, wherein the display screen 300 may be a hard display screen or a flexible display screen, which is not strictly limited in this embodiment.

[0095] Exemplarily, the light emitting unit 53 can emit light. The light emitting unit 53 can be the smallest component unit of the display screen 300 displaying an image, and one light emitting unit 53 can be used as a pixel monomer. The light emitting unit 53 can emit multiple colors of light. For example, the light emitting unit 53 can emit three basic colors of red, green, and blue, and can form more colors of light by combining the three colors of light. Multiple light emitting units 53 form a display image on the display screen 300 by emitting lights of specific colors respectively.

[0096] For example, the light-emitting unit 53 can be an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode or an active-matrix organic light-emitting diode (AMOLED), a mini organic light-emitting diode, a micro organic light-emitting diode, a micro organic light-emitting diode, a quantum dot light-emitting diode (QLED), etc.

[0097] The plurality of light emitting units 53 may be arranged evenly in the display screen 300. For example, in the X direction, the plurality of light emitting units 53 may be arranged evenly spaced. In the Y direction, the plurality of light emitting units 53 may be arranged evenly spaced. The number of light emitting units 53 may be set according to the resolution of the display screen 300, and this embodiment does not strictly limit this. At this time, by evenly arranging the plurality of light emitting units 53, the clarity of the image displayed at various locations of the display screen 300 may be made more consistent, and the display effect may be better.

[0098] Please refer to Figures 6 to 8 , Figure 7 yes Figure 6 The exploded schematic diagram of the display screen 300 is shown, Figure 8 is along Figure 6 Sectional view taken at AA.

[0099] In some embodiments, the display screen 300 may include a first protective layer 1, a second protective layer 2, a first electrochromic layer 3, a second electrochromic layer 4, and a display layer 5. The first protective layer 1, the first electrochromic layer 3, the display layer 5, the second electrochromic layer 4, and the second protective layer 2 may be stacked in sequence.

[0100] Exemplarily, the display layer 5 may have a first light-emitting surface 51 and a second light-emitting surface 52, the first light-emitting surface 51 and the second light-emitting surface 52 are arranged opposite to each other, and the first light-emitting surface 51 and the second light-emitting surface 52 can both display images through the light-emitting unit 53. Exemplarily, the display layer 5 has a plurality of light-emitting units 53, that is, the light-emitting unit 53 of the display screen 300 is formed on the display layer 5. The display layer 5 can display images through the light-emitting unit 53. It can be understood that the light-emitting unit 53 can be formed on the display layer 5 by a semiconductor process and is located inside the display layer 5. In addition, the display layer 5 can be flexible.

[0101] In some examples, the display layer 5 may include a substrate 54, and the light-emitting unit 53 may be embedded inside the substrate 54, that is, the substrate 54 may wrap the light-emitting unit 53. The substrate 54 is used to carry the light-emitting unit 53 and protect the light-emitting unit 53. The substrate 54 may be made of a flexible material so that the display layer 5 can be flexible. For example, the substrate 54 may be made of a polymer material. It is understood that the substrate 54 may be made of a transparent material so that the light of the light-emitting unit 53 can be transmitted from the first light-emitting surface 51 and the second light-emitting surface 52.

[0102] Exemplarily, the first electrochromic layer 3 can be installed between the first protective layer 1 and the display layer 5. Among them, the first electrochromic layer 3 can be fixedly connected to the first display layer 5 and is located on the side of the first light-emitting surface 51 of the first display layer 5. Among them, the first electrochromic layer 3 can change the transmittance by energizing, that is, the first electrochromic layer 3 can undergo a stable and reversible color change under the action of an external electric field, which is manifested as a reversible change in color and transparency in appearance. The first electrochromic layer 3 can be made of electrochromic material. It is understandable that the reflectivity and transmittance of the first electrochromic layer 3 can be adjusted by voltage control, so that the first electrochromic layer 3 can at least be transformed into transparency, so that the picture of the first light-emitting surface 51 of the display layer 5 can be transmitted by the first electrochromic layer 3, so that the display screen 300 displays the picture through its first display surface 3001. Of course, the first electrochromic layer 3 can also be transformed into an opaque state so that the image on the first light-emitting surface 51 of the display layer 5 is not transmitted or reflected by the first electrochromic layer 3, so that the first display surface 3001 of the display screen 300 does not display the image.

[0103] For example, the first electrochromic layer 3 can use inorganic electrochromic materials, such as metal oxides such as tungsten trioxide; the first electrochromic layer 3 can also use organic electrochromic materials, such as polythiophenes and their derivatives, viologens, tetrathiafulvalene, metal phthalocyanine compounds, etc. This embodiment will not give examples of electrochromic materials one by one.

[0104] In some examples, the shape of the first electrochromic layer 3 may be set to correspond to the shape of the display layer 5 . The area of ​​the first electrochromic layer 3 may be close to the area of ​​the display layer 5 , for example, the area of ​​the first electrochromic layer 3 may be greater than 90% of the area of ​​the display layer 5 .

[0105] Exemplarily, the second electrochromic layer 4 can be installed between the second protective layer 2 and the display layer 5. The second electrochromic layer 4 can be fixedly connected to the second display layer 5 and is located on the second light-emitting surface 52 of the second display layer 5. The second electrochromic layer 4 can change the transmittance by energizing, that is, the second electrochromic layer 4 can undergo a stable and reversible color change under the action of an external electric field, which is manifested as a reversible change in color and transparency in appearance. The second electrochromic layer 4 can be made of electrochromic material. It is understandable that the reflectivity and transmittance of the second electrochromic layer 4 can be adjusted by voltage control, so that the second electrochromic layer 4 can at least be transformed into transparency, so that the picture of the second light-emitting surface 52 of the display layer 5 can be transmitted by the second electrochromic layer 4, so that the display screen 300 displays the picture through its second display surface 3002. Of course, the second electrochromic layer 4 can also be transformed into an opaque state so that the image on the second light-emitting surface 52 of the display layer 5 is not transmitted or reflected by the second electrochromic layer 4, thereby making the second display surface 3002 of the display screen 300 not display the image.

[0106] For example, the second electrochromic layer 4 can be made of inorganic electrochromic materials, such as metal oxides such as tungsten trioxide; the second electrochromic layer 4 can also be made of organic electrochromic materials, such as polythiophenes and their derivatives, viologens, tetrathiafulvalene, metal phthalocyanine compounds, etc. This embodiment will not give examples of electrochromic materials one by one.

[0107] In some examples, the first electrochromic layer 3 and the second electrochromic layer 4 may be substantially symmetrically structured relative to the display layer 5 .

[0108] In some examples, the area of ​​the second electrochromic layer 4 may be substantially the same as the area of ​​the display layer 5, so that the display area of ​​the second display surface 3002 of the display screen 300 is substantially the same as the first display surface 3001. In some other examples, the area of ​​the second electrochromic layer 4 may be smaller than the area of ​​the display layer 5, so that the display area of ​​the second display surface 3002 of the display screen 300 is smaller than the display area of ​​the first display surface 3001.

[0109] Exemplarily, the first protective layer 1 can be fixedly connected to the display layer 5 and located on one side of the first light-emitting surface 51 of the display layer 5. For example, the first protective layer 1 can be located on the side of the first electrochromic layer 3 away from the display layer 5 and fixedly connected to the display layer 5. In this case, the side of the first protective layer 1 away from the display layer 5 can form the first display surface 3001 of the display screen 300. The area of ​​the first protective layer 1 can be greater than or equal to the area of ​​the display layer 5 to fully protect the first light-emitting surface 51 of the display layer 5 and the first electrochromic layer 3. The first protective layer 1 can be made of transparent material. For example, the first protective layer 1 can be made of glass, in which case the display screen 300 can be a hard display screen; or the first display layer 5 can be made of a flexible polymer material, in which case the display screen 300 can be a flexible screen, and the material of the first protective layer 1 can be set according to the specific application scenario of the display screen 300.

[0110] Exemplarily, the second protective layer 2 can be fixedly connected to the display layer 5 and located on one side of the second light-emitting surface 52 of the display layer 5. For example, the second protective layer 2 can be located on the side of the second electrochromic layer 4 away from the display layer 5 and fixedly connected to the display layer 5. In this case, the side of the second protective layer 2 away from the display layer 5 can form the second display surface 3002 of the display screen 300. The area of ​​the second protective layer 2 can be greater than or equal to the area of ​​the display layer 5 to fully protect the second light-emitting surface 52 of the display layer 5 and the second electrochromic layer 4. The second protective layer 2 can be made of transparent material. For example, the second protective layer 2 can be made of glass, in which case the display screen 300 can be a hard display screen; or the second display layer 5 can be made of flexible polymer material, in which case the display screen 300 can be a flexible screen, and the material of the second protective layer 2 can be set according to the specific application scenario of the display screen 300.

[0111] In some examples, the first protection layer 1 and the second protection layer 2 may be substantially symmetrically structured relative to the display layer 5 .

[0112] See also Fig. 9 , Fig. 9 yes Figure 8 A magnified schematic diagram of point B in the middle.

[0113] In some embodiments, the light emitting unit 53 may include a light emitting body 531 , a switch unit 532 , a cathode body 533 , and an anode body 534 .

[0114] The luminous body 531 can emit light when powered on. Moreover, the luminous body 531 can emit light toward its circumference. Therefore, the luminous body 531 can emit light toward the first luminous surface 51 and the second luminous surface 52 at least in the Z direction, and transmit light from the first luminous surface 51 and the second luminous surface 52 of the display layer 5, so that the first luminous surface 51 and the second luminous surface 52 can display images.

[0115] Exemplarily, the light emitting body 531 may have three organic light emitting diodes, which may emit red, green and blue light respectively. By combining the three organic light emitting diodes, the light emitting unit 53 may emit light of more colors. In some other examples, the light emitting body 531 may also have four organic light emitting diodes, which is not strictly limited in this embodiment.

[0116] The cathode body 533 may be substantially a thin film structure. The cathode body 533 may be fixedly connected to the light emitting body 531 and electrically connected to the light emitting body 531 to energize the light emitting body 531 .

[0117] Exemplarily, the cathode body 533 and the light emitter 531 can be arranged in the Z direction to facilitate electrical connection with the light emitter 531, thereby facilitating the manufacture of the light-emitting unit 53. For example, the cathode body 533 can be located on the upper side of the light emitter 531. In addition, the cathode body 533 can be made of a transparent material to avoid blocking the light emitted by the light emitter 531. Of course, the cathode body 533 needs to be made of a conductive material. For example, the cathode body 533 can be a metal coating, or a conductive polymer film, etc. The material of the cathode body 533 is not specifically limited in this embodiment.

[0118] The anode body 534 may be substantially a thin film structure and may be fixedly connected to the light emitting body 531 and electrically connected to the light emitting body 531 to energize the light emitting body 531 .

[0119] Exemplarily, the anode 534 and the light emitter 531 can be arranged in the Z direction to facilitate electrical connection with the light emitter 531, thereby facilitating the manufacture of the light-emitting unit 53. For example, the anode 534 can be located at the lower side of the light emitter 531. In addition, the anode 534 can be made of a transparent material to avoid blocking the light emitted by the light emitter 531. Of course, the anode 534 needs to be made of a conductive material. For example, the anode 534 can be a metal coating, or a conductive polymer film, etc. The material of the anode 534 is not specifically limited in this embodiment.

[0120] The switch unit 532 can be electrically connected to the cathode body 533 and the anode body 534, so that the switch unit 532 is electrically connected to the light-emitting body 531. The switch unit 532 is used to control the light-emitting body 531 to emit light. The switch unit 532 and the light-emitting body 531 can be arranged perpendicular to the Z direction (that is, arranged in the XY plane), and the light-opening unit will not block the light-emitting body 531 in the Z direction. At this time, since the light-emitting body 531 itself can emit light in the Z direction, and the switch unit 532 will not block the light-emitting body 531 from emitting light in the Z direction, the light of each light-emitting unit 53 in the Z direction is more uniform and has a higher brightness, so that the picture displayed by the display layer 5 is clearer.

[0121] Exemplarily, the switch unit 532 may be located on both sides of the light emitting unit 53. The light emitting unit 53 may have a plurality of electrical connection pillars 535, and the cathode body 533 and the switch unit 532 may be electrically connected through the electrical connection pillars 535, and the anode body 534 and the switch unit 532 may be electrically connected through the electrical connection pillars 535. For example, the switch unit 532 may be a thin film transistor (TFT).

[0122] It can be understood that in the display layer 5, since there are multiple light-emitting units 53, there are also multiple switch units 532. Since the switch units 532 and the light-emitting bodies 531 can be arranged perpendicular to the Z direction, the switch units 532 can be located between adjacent light-emitting units 53. Multiple switch units 532 can form a TFT array to control multiple light-emitting bodies 531 of multiple light-emitting units 53, so that the display layer 5 can display corresponding pictures.

[0123] In some embodiments, the base 54 of the display layer 5 may include a first portion 541 and a second portion 542 , wherein the first portion 541 and the second portion 542 are fixedly connected to form the base 54 .

[0124] Exemplarily, the first part 541 and the second part 542 can be stacked in the Z direction, the first part 541 is located on the bottom side of the second part 542, and the light-emitting unit 53 can be exposed from the first part 541 so that the light-emitting unit 53 can be clamped between the first part 541 and the second part 542.

[0125] In this embodiment, the light-emitting unit 53 can be first formed on the first part 541, and then the first part 541 and the second part 542 are docked and fixedly connected, so as to wrap the light-emitting unit 53, which is convenient for the production of the display layer 5 and can provide better protection for the light-emitting unit 53.

[0126] Please refer to Figures 10 to 13 , Fig.10 yes Fig. 9 The display screen 300 is a schematic diagram of luminescence in some embodiments. Fig.11 yes Fig. 9 The display screen 300 is a schematic diagram of emitting light in other embodiments. Fig.12 yes Fig. 9 The display screen 300 is a schematic diagram of emitting light in some other embodiments. Fig.13 yes Fig. 9 The display screen 300 is a schematic diagram of emitting light in some further embodiments.

[0127] In some embodiments, in the display screen 300, since the first light-emitting surface 51 and the second light-emitting surface 52 of the display layer 5 can both display images, and the first electrochromic layer 3 and the second electrochromic layer 4 are respectively located on one side of the first light-emitting surface 51 and one side of the second light-emitting surface 52, the display layer 5 and the first electrochromic layer 3 and the second electrochromic layer 4 can cooperate to make the light-emitting unit 53 emit light in different directions, thereby allowing the display screen 300 to display images through different surfaces.

[0128] like Fig.10 As shown, the transmittance of the first electrochromic layer 3 is adjusted to make it transparent. The transparent state can be a state in which the transmittance is 100% and the reflectance is 0 in theory (ignoring the influence of the absorptivity). In practice, a transmittance greater than 90% can also be used as a transparent state. The transmittance of the second electrochromic layer 4 is adjusted to make it non-transparent. The non-transparent state can be a state in which the reflectance is 100% and the transmittance is 0 in theory. In practice, a reflectance greater than 90% can also be used as a non-transparent state. At this time, the light emitted by the light-emitting unit 53 toward the first electrochromic layer 3 will pass through the first electrochromic layer 3 and be emitted from the first display surface 3001. At the same time, the light emitted by the light-emitting unit 53 toward the second electrochromic layer 4 will pass through the first electrochromic layer 3 and be emitted from the first display surface 3001 after being reflected by the second electrochromic layer 4. Therefore, the display screen 300 will display the picture through the first display surface 3001, and the display screen 300 is equivalent to displaying on one side through the first display surface 3001. In addition, since the light on both sides of the light-emitting unit 53 is emitted from the first display surface 3001, the light intensity is enhanced and the brightness of the picture displayed on the first display surface 3001 is improved.

[0129] like Fig.11 As shown, the transmittance of the first electrochromic layer 3 is adjusted to make it non-transparent; the transmittance of the second electrochromic layer 4 is adjusted to make it transparent. Fig.10Similar to the embodiment, the light emitted by the light-emitting unit 53 toward the second electrochromic layer 4 will pass through the second electrochromic layer 4 and be emitted from the second display surface 3002. At the same time, the light emitted by the light-emitting unit 53 toward the first electrochromic layer 3 will be reflected by the first electrochromic layer 3, pass through the second electrochromic layer 4 and be emitted from the second display surface 3002. Therefore, the display screen 300 will display the picture through the second display surface 3002. The display screen 300 is equivalent to displaying on one side of the second display surface 3002. In addition, since the light on both sides of the light-emitting unit 53 is emitted from the second display surface 3002, the light intensity is enhanced, and the brightness of the picture displayed on the second display surface 3002 is improved. Exemplarily, at this time, the display screen 300 can correspond to Figure 5 Application environment of the embodiment.

[0130] like Fig.12 As shown, the transmittance of the first electrochromic layer 3 is adjusted to make it transparent; the transmittance of the second electrochromic layer 4 is adjusted to make it transparent. At this time, the light emitted by the light-emitting unit 53 toward the first electrochromic layer 3 will pass through the first electrochromic layer 3 and be emitted from the first display surface 3001; the light emitted by the light-emitting unit 53 toward the second electrochromic layer 4 will pass through the second electrochromic layer 4 and be emitted from the second display surface 3002. Therefore, the display screen 300 will display the picture through the first display surface 3001 and the second display surface 3002 at the same time, and the display screen 300 is equivalent to displaying on both sides of the first display surface 3001 and the second display surface 3002. It can be understood that at this time, since the first color-changing surface and the second color-changing surface are both in a transparent state, the picture displayed by the display screen 300 is equivalent to floating in the air, and the display screen 300 can be used as a transparent screen. In addition, the picture displayed by the first display surface 3001 of the display screen 300 and the picture displayed by the second display surface 3002 are mirror images of each other. Exemplarily, at this time, the display screen 300 may correspond to Figure 3 Application environment of the embodiment.

[0131] like Fig.13 As shown, the transmittance of the first electrochromic layer 3 is adjusted to make it non-transparent; the transmittance of the second electrochromic layer 4 is adjusted to make it non-transparent. At this time, the light emitted by the light-emitting unit 53 toward the first electrochromic layer 3 will be blocked by the first reflective layer; the light emitted by the light-emitting unit 53 toward the second electrochromic layer 4 will be blocked by the second reflective layer. Therefore, the first display surface 3001 and the second display surface 3002 of the display screen 300 both present a black screen effect, making the image of the display screen 300 invisible. Exemplarily, at this time, the display screen 300 can correspond to Figure 4 Application environment of the embodiment.

[0132] See also Fig.14 , Fig.14 yes Figure 7The structure diagram of the first electrochromic layer 3 of the display screen 300 in some embodiments is shown.

[0133] In some embodiments, the first electrochromic layer 3 may have a first partition 31 and a second partition 32 , and the first partition 31 and the second partition 32 may be arranged in a direction perpendicular to the thickness of the display screen, that is, arranged in an XY plane.

[0134] The first partition 31 and the second partition 32 may be arranged adjacent to each other.

[0135] Exemplarily, the number of the second partitions 32 may be multiple. Multiple second partitions 32 may be arranged at intervals, and multiple second partitions 32 may be embedded in the first partition 31. That is, the remaining portion of the first electrochromic layer 3 after removing the second partition 32 is the first partition 31, and each second partition 32 may be surrounded by the first partition 31. The area of ​​each second partition 32 may be smaller. The distribution area of ​​the multiple second partitions 32 may be similar to the area of ​​the first electrochromic layer 3. In some other embodiments, the number of the second partition 32 may be one, in which case the area of ​​the second partition 32 may be set larger, for example, the first partition 31 and the second partition 32 each occupy half the area of ​​the first electrochromic layer 3, and this embodiment is not strictly limited to this.

[0136] The first partition 31 and the second partition 32 can respectively change transmittance and reflectivity after being powered on, and the first partition 31 and the second partition 32 can be independently controlled to change color.

[0137] Exemplarily, the first partition 31 may have a transparent state and a non-transparent state, and the second partition 32 may have a transparent state and a non-transparent state. The state of the first partition 31 may be combined with the state of the second partition 32. For example, the first partition 31 is in a transparent state, and the second partition 32 is in a transparent state, which is equivalent to the first electrochromic layer 3 being transparent as a whole. The first partition 31 is in a transparent state, and the second partition 32 is in a non-transparent state. The first partition 31 is in a non-transparent state, and the second partition 32 is in a transparent state. The first partition 31 is in a non-transparent state, and the second partition 32 is in a non-transparent state, which is equivalent to the first electrochromic layer 3 being in a non-transparent state as a whole.

[0138] It is understood that the display screen 300 may have circuits electrically connected to the first partition 31 and the second partition 32, respectively, so as to be able to energize the first partition 31 and the second partition 32, respectively, which is not specifically limited in this embodiment. It is understood that the first partition 31 and the second partition 32 may be insulated from each other.

[0139] In some embodiments, the plurality of second partitions 32 may be arranged at intervals along the first direction and at intervals along the second direction, wherein the first direction and the second direction are perpendicular, wherein the first direction may be parallel to the X direction, and the second direction may be parallel to the Y direction.

[0140] For example, the plurality of second partitions 32 may be arranged in an array along the X direction and the Y direction, and the intervals between adjacent second partitions 32 may be uniform.

[0141] In some embodiments, the plurality of second partitions 32 include a plurality of first partition groups 33, each of which includes at least two second partitions 32, and the at least two second partitions 32 are arranged in a quadrilateral. Exemplarily, the plurality of second partitions 32 in the first partition group 33 are arranged in a quadrilateral, a hexagon, or a circle. For example, one first partition group 33 may have four second partitions 32, and the four second partitions 32 may be arranged in a rectangular manner.

[0142] See also Fig.15 , Fig.15 yes Figure 7 The structure diagram of the second electrochromic layer 4 of the display screen 300 in some embodiments is shown.

[0143] In some embodiments, the second electrochromic layer 4 may have a third partition 41 and a fourth partition 42 , and the third partition 41 and the fourth partition 42 are arranged along a direction perpendicular to the thickness of the display screen 300 , that is, arranged in the XY plane.

[0144] The third partition 41 and the fourth partition 42 may be arranged adjacent to each other.

[0145] Exemplarily, the number of the fourth partition 42 may be multiple. Multiple fourth partitions 42 may be arranged at intervals, and multiple fourth partitions 42 may be embedded in the third partition 41. That is, the remaining portion of the second electrochromic layer 4 after removing the fourth partition 42 is the third partition 41, and each fourth partition 42 may be surrounded by the third partition 41. The area of ​​each fourth partition 42 may be smaller. The distribution area of ​​multiple fourth partitions 42 may be similar to the area of ​​the second electrochromic layer 4. In some other embodiments, the number of the fourth partition 42 may be one, in which case the area of ​​the fourth partition 42 may be set larger, for example, the third partition 41 and the fourth partition 42 each occupy half the area of ​​the second electrochromic layer 4, and this embodiment is not strictly limited to this.

[0146] The third partition 41 and the fourth partition 42 can respectively change the transmittance and reflectivity after being powered on, and the third partition 41 and the fourth partition 42 can be independently controlled to change color.

[0147] Exemplarily, the third partition 41 may have a transparent state and a non-transparent state, and the fourth partition 42 may have a transparent state and a non-transparent state. The state of the third partition 41 may be combined with the state of the fourth partition 42. For example, the third partition 41 is in a transparent state, and the fourth partition 42 is in a transparent state, which is equivalent to the second electrochromic layer 4 being transparent as a whole. The third partition 41 is in a transparent state, and the fourth partition 42 is in a non-transparent state. The third partition 41 is in a non-transparent state, and the fourth partition 42 is in a transparent state. The third partition 41 is in a non-transparent state, and the fourth partition 42 is in a non-transparent state, which is equivalent to the second electrochromic layer 4 being non-transparent as a whole.

[0148] It is understood that the display screen 300 may have circuits electrically connected to the third partition 41 and the fourth partition 42, respectively, so as to be able to energize the third partition 41 and the fourth partition 42, respectively, which is not specifically limited in this embodiment. It is understood that the third partition 41 and the fourth partition 42 may be insulated.

[0149] In some embodiments, the plurality of fourth subareas 42 may be arranged at intervals along the first direction and at intervals along the second direction, wherein the first direction and the second direction are perpendicular, wherein the first direction may be parallel to the X direction, and the second direction may be parallel to the Y direction.

[0150] For example, the plurality of fourth sub-areas 42 may be arranged in an array along the X direction and the Y direction, and the intervals between adjacent fourth sub-areas 42 may be uniform.

[0151] In some embodiments, the plurality of fourth partitions 42 include a plurality of second partition groups 43, each of which includes at least two fourth partitions 42, and the at least two fourth partitions 42 are arranged in a quadrilateral. Exemplarily, the plurality of fourth partitions 42 in the second partition group 43 are arranged in a quadrilateral, a hexagon, or a circle. For example, one second partition group 43 may have four fourth partitions 42, and the four fourth partitions 42 may be arranged in a rectangular manner.

[0152] Please refer to Figures 16 to 18 , Fig.16 yes Figure 8 The cross-sectional view of the display screen 300 is a schematic cross-sectional view of some other embodiments. Fig.17 yes Figure 7 The display screen 300 is shown as an exploded schematic diagram of a part of the structure in some other embodiments; Fig.18 yes Fig.16 The illustrated diagram is a schematic diagram of the working status of the display screen 300 in some embodiments.

[0153] In some embodiments, in the thickness direction (i.e., Z direction) of the display screen 300, the first partition 31 may cover the fourth partition 42, the third partition 41 may cover the second partition 32, the second partition 32 is directly opposite to at least one light-emitting unit 53, and the fourth partition 42 is directly opposite to at least one light-emitting unit 53. The directly opposite arrangement may mean that the projections of the two in the thickness direction of the display screen 300 overlap.

[0154] Among them, since the first partition 31 and the second partition 32 are arranged in a thickness direction perpendicular to the display screen 300, the third partition 41 and the fourth partition 42 are arranged in a thickness direction perpendicular to the display screen 300, and since the first partition 31 can cover the fourth partition 42, the third partition 41 can cover the second partition 32, therefore, in the thickness direction perpendicular to the display screen 300, the second partition 32 and the fourth partition 42 are equivalent to a staggered setting.

[0155] Furthermore, since the second partition 32 is directly opposite to the light emitting unit 53 and the fourth partition 42 is directly opposite to the light emitting unit 53 , the light emitting unit 53 corresponding to the second partition 32 is different from the light emitting unit 53 corresponding to the fourth partition 42 .

[0156] Furthermore, since the transmittance of the first partition 31 and the second partition 32 can be adjusted separately, the transmittance of the third partition 41 and the fourth partition 42 can be adjusted separately, when the third partition 41 is in a non-transparent state and the second partition 32 is in a transparent state, the light-emitting unit 53 corresponding to the second partition 32 can be emitted by the first display surface 3001, and when the first partition 31 is in a non-transparent state and the fourth partition 42 is in a transparent state, the light-emitting unit 53 corresponding to the fourth partition 42 can be emitted by the second display surface 3002; through the combination of multiple light-emitting units 53, the first display surface 3001 can display the first picture, and the second display surface 3002 can display the second picture, and the first picture and the second picture are independent of each other, so the contents of the first picture and the second picture can be the same or different, that is, the display screen 300 is a double-sided non-linked display mode.

[0157] It can be understood that when the first partition 31 and the second partition 32 are in the same state, the first electrochromic layer 3 is equivalent to adjusting the transmittance as a whole, and when the third partition 41 and the fourth partition 42 are in the same state, the second electrochromic layer 4 is equivalent to adjusting the transmittance as a whole. At this time, the display screen 300 can be displayed on the first display surface 3001 or the second display surface 3002, or can be displayed in conjunction with the first display surface 3001 and the second display surface 3002, or both the first display surface 3001 and the second display surface 3002 are opaque to achieve an anti-peeping function.

[0158] In the embodiment of the present application, by providing a display layer 5, double-sided display of the first display surface 3001 and the second display surface 3002 can be achieved, which makes it easy to achieve a lightweight design of the display screen 300 and also reduces the power consumption of the display screen 300. In addition, when displaying on one side through the first display surface 3001 or the second display surface 3002, all the light-emitting units 53 of the display screen 300 can form a picture, and at this time, the picture resolution is high, the clarity is high, and the brightness can also be high.

[0159] In addition, by providing the first electrochromic layer 3 and the second electrochromic layer 4, the first display surface 3001 and the second display surface 3002 of the display screen 300 can display images independently, thereby realizing double-sided non-linked display of the display screen 300.

[0160] In some embodiments, since the number of the second partitions 32 of the first electrochromic layer 3 can be multiple, the multiple second partitions 32 are arranged at intervals, and the multiple second partitions 32 are embedded in the first partition 31. Since the number of the fourth partitions 42 of the second electrochromic layer 4 can be multiple, the multiple fourth partitions 42 are arranged at intervals, and the multiple fourth partitions 42 are embedded in the third partition 41. Therefore, in the thickness direction perpendicular to the display screen 300, the multiple second partitions 32 and the multiple fourth partitions 42 are equivalent to staggered settings, which is conducive to making full use of the multiple light-emitting units 53, and is conducive to making the distribution area of ​​the second partitions 32 and the fourth partitions 42 larger, so as to improve the first display surface 3001 and the second display surface 3002 of the display screen 300 have a larger display area.

[0161] In some embodiments, since the plurality of second partitions 32 can be arranged at intervals along the first direction, and can be arranged at intervals along the second direction, the first direction and the second direction are perpendicular. The plurality of fourth partitions 42 can be arranged at intervals along the first direction, and the plurality of fourth partitions 42 can be arranged at intervals along the second direction. Therefore, the arrangement of the second partitions 32 and the fourth partitions 42 is relatively simple and easy to manufacture; in addition, the arrangement of the plurality of second partitions 32 and the plurality of fourth partitions 42 is easy to adapt to the arrangement of the plurality of light-emitting units 53, so that the second partitions 32, the fourth partitions 42 and the light-emitting units 53 are arranged correspondingly.

[0162] In some embodiments, one second partition 32 may be provided with one light-emitting unit 53, and one fourth partition 42 may be provided with one light-emitting unit 53. In this case, the area of ​​the second partition 32 and the fourth partition 42 may be set to be smaller, and the number of the second partition 32 and the fourth partition 42 may be set to be larger, so that when the display screen 300 is in double-sided non-linked display, the resolution of the display screen of the first display surface 3001 and the second display surface 3002 is improved, thereby improving the clarity of the picture. In some other embodiments, a second partition 32 may be provided with multiple light-emitting units 53, and a fourth partition 42 may be provided with multiple light-emitting units 53, in which case the production of the first electrochromic layer 3 and the second electrochromic layer 4 is simpler and the cost is lower.

[0163] In addition, in the thickness direction of the display screen 300, the area of ​​a second subarea 32 is greater than or equal to the area of ​​the light emitting unit 53, and the area of ​​a fourth subarea 42 is greater than or equal to the area of ​​the light emitting unit 53. At this time, the light emitted by the light emitting unit 53 can be more fully emitted from the second subarea 32 or the fourth subarea 42, which is beneficial to improve the display brightness of the display screen 300.

[0164] In some embodiments, in a direction perpendicular to the thickness of the display screen 300 , the projections of the second partitions 32 and the projections of the fourth partitions 42 are arranged alternately one by one.

[0165] Exemplarily, in the first direction (eg, X direction), the projections of the plurality of second subareas 32 and the projections of the plurality of fourth subareas 42 are arranged alternately one by one, and adjacent second subareas 32 and fourth subareas 42 are arranged at intervals.

[0166] Exemplarily, in the second direction (eg, Y direction), projections of a plurality of second subareas 32 and projections of a plurality of fourth subareas 42 are arranged alternately one by one, and adjacent second subareas 32 and fourth subareas 42 are arranged at intervals.

[0167] In this embodiment, the projections of the second subarea 32 and the projections of the fourth subarea 42 are arranged one by one in an interlaced manner, so that the plurality of light-emitting units 53 can be roughly evenly divided, thereby making full use of the plurality of light-emitting units 53, and the distribution density and quantity of the second subarea 32 and the fourth subarea 42 are substantially consistent, so that when the display screen 300 is in a double-sided non-linked display, the display effects of the first display surface 3001 and the second display surface 3002 are substantially consistent. In addition, since the adjacent second subarea 32 and the fourth subarea 42 are arranged at intervals, the light emitted by the light-emitting unit 53 corresponding to the second subarea 32 will mainly be transmitted through the second subarea 32, and will have little effect on the adjacent fourth subarea 42, and the light emitted by the light-emitting unit 53 corresponding to the fourth subarea 42 will mainly be transmitted through the fourth subarea 42, and will have little effect on the adjacent fourth subarea 42.

[0168] In some embodiments, when the area of ​​the first electrochromic layer 3 and the second electrochromic layer 4 is large, for example, the area of ​​the first electrochromic layer 3 and / or the second electrochromic layer 4 is greater than or equal to 90% of the area of ​​the display layer 5. At this time, when the display screen 300 is regulated by the first electrochromic layer 3 and the second electrochromic layer 4, both the first display surface 3001 and the second display surface 3002 can have a large display area, and the user experience is better.

[0169] See also Fig.19 , Fig.19 yes Figure 7 The structure diagram of the first electrochromic layer 3 of the display screen 300 in other embodiments is shown. Fig.19 The first electrochromic layer 3 shown in the embodiment may include Fig.14 Most of the technical features of the first electrochromic layer 3 shown in the embodiment are mainly described below. The differences between the two are explained below, and most of the same technical contents between the two are not repeated here.

[0170] Fig.19 Example and Fig.14 The main difference between the embodiments lies in the arrangement of the second subareas 32 in the first electrochromic layer 3 .

[0171] In some embodiments, the plurality of second partitions 32 include a plurality of first partition groups 33 , and each first partition group 33 includes at least two second partitions 32 .

[0172] Exemplarily, one first zone group 33 has six second zones 32, and the six second zones 32 may be arranged in a hexagonal manner. In some other embodiments, at least two second zones 32 of the first zone group 33 may be arranged in a circular manner. Alternatively, in some other embodiments, at least two second zones 32 of the first zone group 33 may be arranged in an irregular manner.

[0173] For example, the plurality of first area groups 33 may be arranged in a row along the first direction, and arranged in a plurality of rows in the second direction. The plurality of first area groups 33 in a row may be arranged at uniform intervals, and adjacent rows may be arranged in a staggered manner.

[0174] In some embodiments, the arrangement of the fourth subarea of ​​the second electrochromic layer can refer to Fig.19 The arrangement of the second subareas 32 in the first electrochromic layer 3 in the embodiment will not be described in detail in this embodiment.

[0175] In this embodiment, by setting the first zone group 33 and the second zone group, the arrangement of the second partition 32 and the fourth partition is more diverse, which is convenient for allocating the correspondence between multiple light-emitting units and the first zone group 33 and the second zone group, and is conducive to selecting different arrangements of the second partition 32 and the fourth partition according to needs.

[0176] See also Fig. 20 and Fig.21 , Fig. 20 is a schematic diagram of the principle of controlling multiple light-emitting units 53 in some embodiments of the present application, Fig.21 It is a schematic diagram of the working status of controlling multiple light-emitting units 53 in some embodiments of the present application.

[0177] In some embodiments, each row of the plurality of light emitting units 53 of the display screen is connected to a GOA (Gate on Array) unit, and each column is connected to a Source IC (source chip).

[0178] like Fig. 20 For example, when all the light-emitting units 53 are used to display a picture together, the GOA units of the Gate (switch) driving circuit are turned on step by step, and the Source IC gives the corresponding data value of each light-emitting unit 53 according to the row level. At this time, the first display surface and the second display surface of the display screen can display the picture separately or simultaneously.

[0179] like Fig.21 , exemplarily, when the display screen is in the double-sided non-linked mode, the Gate driving circuit GOA is opened step by step, and the display contents of the first display surface and the second display surface are synthesized in the Source IC. Fig.21 In the display screen corresponding to the embodiment, the first type of light emitting unit 53a may be arranged facing the second subarea, and the second type of light emitting unit 53b may be arranged facing the fourth subarea.

[0180] For example, the composite picture can be divided into three categories, wherein the first type of light emitting unit 53a displays the picture of the first display surface, the second type of light emitting unit 53b displays the picture of the second display surface, and the third type of light emitting unit 53c can display a black picture, and the SourceIC gives the data value of the corresponding light emitting unit 53 according to the row level. In addition, the same effect can be achieved by the time-sharing drive of the GOA unit of the Gate (switch) driving circuit. The driving principle is to control the display picture in the Source IC. The GOA unit is first turned on row by row according to the odd rows, and the Source IC gives the picture data value of the first display surface 3001 according to the row level. Then, the GOA unit is turned on row by row according to the even rows, and the Source IC gives the picture data value of the second display surface according to the row level, thereby increasing the alternating display frequency, thereby realizing the double-sided non-linked display of the display screen. Among them, by making some light emitting units 53 display black pictures, the light emitted by the first type of light emitting unit 53a and the second type of light emitting unit 53b is prevented from affecting each other, so that the display picture is clearer.

[0181] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other, and any combination of features in different embodiments is also within the protection scope of the present application. In other words, the multiple embodiments described above can also be arbitrarily combined according to actual needs.

[0182] It should be noted that all the above drawings are illustrative illustrations of the present application and do not represent the actual size of the product. Moreover, the size ratio relationship between the components in the drawings is not intended to limit the actual product of the present application.

[0183] The above are only some embodiments and implementation methods of the present application, and the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the technical scope disclosed in the present application can easily think of changes or substitutions, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A display screen, characterized in that: include: A display layer having a plurality of light-emitting units, wherein the display layer has a first light-emitting surface and a second light-emitting surface opposite to each other; a first protective layer, fixedly connected to the first light-emitting surface of the display layer; a second protective layer, fixedly connected to the second light-emitting surface of the display layer; A first electrochromic layer is installed between the display layer and the first protective layer, the first electrochromic layer has a first partition and a second partition, and the first partition and the second partition can be powered on to change transmittance; as well as A second electrochromic layer is installed between the display layer and the second protective layer, the second electrochromic layer has a third partition and a fourth partition, and the third partition and the fourth partition can be powered on to change the transmittance; Wherein, in the thickness direction of the display screen, the first partition covers the fourth partition, the third partition covers the second partition, the second partition is directly opposite to at least one of the light-emitting units, and the fourth partition is directly opposite to at least one of the light-emitting units.

2. The display screen according to claim 1, characterized in that: There are multiple second partitions, the multiple second partitions are arranged at intervals, and the multiple second partitions are embedded in the first partition; And / or, there are multiple fourth partitions, the multiple fourth partitions are arranged at intervals, and the multiple fourth partitions are embedded in the third partition.

3. The display screen according to claim 2, characterized in that: A plurality of the second subareas are arranged at intervals along a first direction, and are arranged at intervals along a second direction, and the first direction is perpendicular to the second direction; The plurality of fourth subareas are arranged at intervals along the first direction, and the plurality of fourth subareas are arranged at intervals along the second direction.

4. The display screen according to claim 3, characterized in that: In the first direction, a plurality of projections of the second subareas and a plurality of projections of the fourth subareas are arranged alternately one by one, and adjacent projections of the second subareas and projections of the fourth subareas are arranged at intervals; And / or, in the second direction, a plurality of projections of the second subareas and a plurality of projections of the fourth subareas are arranged alternately one by one, and adjacent projections of the second subareas and projections of the fourth subareas are arranged at intervals.

5. The display screen according to claim 2, characterized in that: The plurality of second partitions include a plurality of first partition groups, each of the first partition groups includes at least two second partitions, and the at least two second partitions are arranged in a quadrilateral, a hexagonal, or a circular shape; And / or, the plurality of fourth sub-areas include a plurality of second area groups, each of the second area groups includes at least two fourth sub-areas, and the at least two fourth sub-areas are arranged in a quadrilateral, a hexagon, or a circle.

6. The display screen according to any one of claims 1 to 5, characterized in that: A light emitting unit is disposed opposite to one of the second subareas, and a light emitting unit is disposed opposite to one of the fourth subareas.

7. The display screen according to claim 6, characterized in that: In the thickness direction of the display screen, an area of ​​the second sub-area is greater than or equal to an area of ​​the light-emitting unit, and an area of ​​the fourth sub-area is greater than or equal to an area of ​​the light-emitting unit.

8. The display screen according to any one of claims 1 to 5, characterized in that: An area of ​​the first electrochromic layer and / or the second electrochromic layer is greater than or equal to 90% of an area of ​​the display layer.

9. The display screen according to any one of claims 1 to 5, characterized in that: The light-emitting unit comprises a light-emitting body and a switch unit, and the light-emitting body is electrically connected to the switch unit; The light emitting body and the switch unit are arranged along a direction perpendicular to the thickness direction of the display screen.

10. The display screen according to claim 9, characterized in that: The light-emitting unit also includes an anode body and a cathode body, and the anode body, the light-emitting body and the cathode body are stacked in sequence along the thickness direction of the display screen. The anode body is electrically connected to the light-emitting body and the switch unit, and the cathode body is electrically connected to the light-emitting body and the switch unit. The cathode body and the anode body are transparent materials.

11. The display screen according to any one of claims 1 to 5, characterized in that: The display layer further includes a substrate, and the substrate wraps the light-emitting unit.

12. The display screen according to claim 11, characterized in that: The light-emitting unit comprises a light-emitting body and a switch unit, and the light-emitting body is electrically connected to the switch unit; The base includes a first part and a second part, the first part and the second part are stacked along the thickness direction of the display screen, and the switch unit is exposed from the first part.

13. An electronic device, characterized in that: The invention comprises a housing device and a display screen as claimed in any one of claims 1 to 12, wherein the display screen is mounted on the housing device, and a first display surface and a second display surface of the display screen are exposed relative to the housing device.

14. The electronic device according to claim 13, characterized in that: The electronic device further comprises a keyboard, wherein the keyboard is communicatively connected to the display screen; The shell device includes a bottom shell and a top shell, the bottom shell and the top shell are rotatably connected, the display screen is installed on the top shell, the first display surface and the second display surface are respectively exposed on two opposite sides of the top shell, the keyboard is installed on the bottom shell, and the top shell can be opened or buckled relative to the bottom shell, so that the electronic device is in an open state or a closed state.

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