CN108810206A - Display screen, mobile terminal and display screen power supply method - Google Patents

Abstract

The application provides a display screen, a mobile terminal and a display screen power supply method, wherein the display screen comprises a power module and a solar circuit module; the solar circuit module is connected with the power supply module; the solar circuit module is used for acquiring radiation energy of sunlight irradiating the display screen, converting the radiation energy of the sunlight into a direct-current voltage signal, and sending the direct-current voltage signal to the power supply module so as to supply power to the display screen. Through the application, the problems that in the prior art, the display screen is power-consuming, and the cruising ability of the mobile terminal is reduced can be solved.

Description

Display screen, mobile terminal and display screen power supply method

technical field

The present application belongs to the technical field of display screens, and in particular relates to a display screen, a mobile terminal and a power supply method for a display screen.

Background technique

With the development of intelligent technology, mobile terminals are becoming more and more common in people's daily life, and powerful functions of mobile terminals have increasingly enriched people's lives. The display screen is an indispensable and important part of human-computer interaction in mobile terminals, and is used to display images and colors. However, the display screen in the mobile terminal consumes more power, which reduces the battery life of the mobile terminal.

Therefore, it is necessary to provide a new technical solution to solve the above technical problems.

Contents of the invention

In view of this, the present application provides a display screen, a mobile terminal and a power supply method for the display screen, so as to solve the problem in the prior art that the display screen consumes more power and reduces the battery life of the mobile terminal.

The first aspect of the present application provides a display screen, which includes a power supply module and a solar circuit module;

The solar circuit module is connected to the power module;

The solar circuit module is used to obtain the radiant energy of sunlight shining on the display screen, convert the radiant energy of the sunlight into a DC voltage signal, and send the DC voltage signal to the power module, to supply power to the display.

A second aspect of the present application provides a mobile terminal, and the mobile terminal includes a display screen as described in the first aspect above.

The third aspect of the present application provides a display screen power supply method, which is applied to the display screen described in the first aspect above, and the display screen power supply method includes:

Obtaining the radiant energy of sunlight shining on the display screen;

converting the radiant energy of the sunlight into a DC voltage signal;

Send the DC voltage signal to the power module to supply power to the display screen.

It can be seen from the above that this solution integrates the solar circuit module into the display screen, obtains the radiant energy of sunlight irradiated on the display screen, and converts the radiant energy of sunlight into a DC voltage signal, which is provided to the power module of the display screen , thereby supplying power to the display. By integrating the solar circuit module in the display screen, this solution can collect sunlight and provide the electric energy generated by the radiant energy of sunlight to the display screen, thus reducing the power supply of the mobile terminal battery to the display screen and improving the efficiency of the mobile terminal. battery life.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the accompanying drawings that need to be used in the descriptions of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are only for the present application For some embodiments, those of ordinary skill in the art can also obtain other drawings based on these drawings without paying creative efforts.

FIG. 1 is a schematic diagram of a display screen provided in Embodiment 1 of the present application;

Fig. 2 is an example diagram of a solar circuit module;

FIG. 3 is a schematic diagram of a display screen provided in Embodiment 2 of the present application;

FIG. 4 is a schematic diagram of a display screen provided in Embodiment 3 of the present application;

FIG. 5 is a schematic diagram of an implementation flow of a display screen power supply method provided in Embodiment 4 of the present application.

Detailed ways

In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and/or components, but does not exclude one or more other features. , whole, step, operation, element, component and/or the presence or addition of a collection thereof.

It should also be understood that the terminology used in the specification of this application is for the purpose of describing particular embodiments only and is not intended to limit the application. As used in this specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural referents unless the context clearly dictates otherwise.

It should also be further understood that the term "and/or" used in the description of the present application and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations .

As used in this specification and the appended claims, the term "if" may be construed as "when" or "once" or "in response to determining" or "in response to detecting" depending on the context . Similarly, the phrase "if determined" or "if [the described condition or event] is detected" may be construed, depending on the context, to mean "once determined" or "in response to the determination" or "once detected [the described condition or event] ]” or “in response to detection of [described condition or event]”.

It should be noted that when an element is referred to as being "connected" to another element, it may be directly connected to the other element or indirectly connected to the other element.

In a specific implementation, the mobile terminals described in the embodiments of the present application include but are not limited to other portable devices such as mobile phones, laptop computers or tablet computers with touch-sensitive surfaces (for example, touch screen displays and/or touchpads) . It should also be appreciated that in some embodiments, the device is not a portable communication device, but a desktop computer with a touch-sensitive surface (eg, a touchscreen display and/or a touchpad).

In the ensuing discussion, a mobile terminal including a display and a touch-sensitive surface is described. However, it should be understood that a mobile terminal may include one or more other physical user interface devices such as a physical keyboard, mouse and/or joystick.

The mobile terminal supports various applications such as one or more of the following: drawing application, presentation application, word processing application, website creation application, disk burning application, spreadsheet application, game application, telephone applications, video conferencing applications, email applications, instant messaging applications, exercise support applications, photo management applications, digital camera applications, digital video camera applications, web browsing applications, digital music player applications and/or digital video player applications.

Various applications that can be executed on the mobile terminal can use at least one common physical user interface device, such as a touch-sensitive surface. One or more functions of the touch-sensitive surface and corresponding information displayed on the terminal may be adjusted and/or changed between applications and/or within the respective applications. In this way, the common physical architecture (eg, touch-sensitive surface) of the terminal can support various applications with a user interface that is intuitive and transparent to the user.

It should be understood that the sequence numbers of the steps in this embodiment do not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiment of the present application.

In order to illustrate the technical solutions described in this application, specific examples are used below to illustrate.

Referring to FIG. 1 , it is a schematic diagram of a display screen provided in Embodiment 1 of the present application. For convenience of description, only parts related to the embodiment of the present application are shown.

The display screen includes a power supply module 11 and a solar circuit module 12;

The solar circuit module 12 is connected to the power module 11;

The solar circuit module 12 is used to obtain the radiant energy of the sunlight shining on the display screen, convert the radiant energy of the sunlight into a DC voltage signal, and send the DC voltage signal to the power module 11, to supply power to the display screen.

In the embodiment of the present application, the solar circuit module 12 can be integrated in the display screen, and the solar circuit module 12 can collect sunlight shining on the display screen, obtain the radiant energy of the sunlight (that is, solar energy), and obtain The radiant energy is converted into a DC voltage signal (that is, electrical energy) that can be used by the display screen, so that the electrical energy generated by the solar energy can be used to supply power to the display screen. Wherein, the solar circuit module (such as a solar panel) can be composed of multiple solar modules (such as solar cells), and each solar module collects the sunlight irradiated on the display screen, and obtains the radiant energy of the sunlight, which can be The sum of the solar radiation energy obtained by multiple solar modules is used as the solar radiation energy irradiated on the solar circuit module. Figure 2 is an example diagram of a solar circuit module, in which a box represents a solar module.

Optionally, the solar circuit module 12 is plated on the back of the touch screen TP substrate of the display screen, wherein the back of the TP substrate refers to the side of the TP substrate adjacent to the polarizer.

Optionally, the solar circuit module 12 is plated on the back of the color filter CF substrate of the display screen, wherein the back of the CF substrate refers to the side of the CF substrate adjacent to the polarizer.

Optionally, the solar circuit module 12 is arranged between the touch screen TP substrate and the glass cover of the display screen.

In the embodiment of the present application, the display screen generally includes a glass cover, a touch screen (Touch Panel, TP) substrate, a polarizer, and a color filter (Color Filter, CF) substrate (structural sequence from top to bottom), etc., which can be The solar circuit module is plated on the back of the TP substrate or the back of the CF substrate (because a polarizer is arranged between the TP substrate and the CF substrate in the structure of the display screen, and the TP substrate is located above the polarizer, and the CF substrate is located on the polarizer. Below, then the side adjacent to the TP substrate and the polarizer can be defined as the back of the TP substrate, and the side adjacent to the CF substrate and the polarizer can be defined as the back of the CF substrate), or the solar circuit module 12 can be arranged between the TP substrate and the glass between the covers.

In the embodiment of the present application, the DC voltage signal converted by the radiation energy of sunlight is provided to the power module 11 of the display screen, so as to supply power to the power module 11 of the display screen, thereby realizing power supply to the display screen. Wherein, the power supply module 11 of the display screen may refer to a screen driving power supply module, including but not limited to VSP/VSN/IOVCC and other modules.

In the embodiment of the present application, by integrating the solar circuit module in the display screen, the sunlight can be collected, and the electric energy generated by the radiation energy of the sunlight can be provided to the display screen for use, thereby reducing the power supply of the battery of the mobile terminal to the display screen, and improving the The battery life of the mobile terminal prolongs the battery life of the mobile terminal.

Referring to FIG. 3 , it is a schematic diagram of a display screen provided by Embodiment 2 of the present application. For convenience of description, only the parts related to the embodiment of the present application are shown.

The display screen includes a power supply module 31, a solar circuit module 32 and a solar processing module 33;

The solar processing module 33 is connected to the solar circuit module 32 and the power supply module 31 respectively;

The solar circuit module 32 is used to obtain the radiant energy of the sunlight irradiated on the display screen, convert the radiant energy of the sunlight into a DC voltage signal, and send the DC voltage signal to the solar processing Module 33;

The solar processing module 33 is used to convert the DC voltage signal into a DC voltage signal with a preset value, and send the DC voltage signal with a preset value to the power module 31 to provide supply power to the display.

In the embodiment of the present application, when the radiant energy of sunlight is directly converted into a DC voltage signal, the value (i.e. voltage) of the DC voltage signal is usually too small to meet the voltage requirements of the power module 31 of the display screen. The power supply module 31 of the display screen may use the solar processing module 33 to convert the DC voltage signal converted from the radiation energy of sunlight into a DC voltage signal whose value is a preset value. Wherein, the preset value may refer to a standard voltage required by the power supply module 31 of the display screen.

In the embodiment of the present application, the cathode and anode of the solar circuit module 32 can be respectively connected to the solar processing module 33 of the driver integrated circuit (Integrated Circuit, IC) of the display screen, and the solar processing module 33 can be DC-DC The power supply module, through which the solar energy processing module 33 can convert the direct current voltage signal converted from the radiation energy of sunlight into a direct current voltage signal with a preset value, and provide the direct voltage signal with a preset value to the internal driver IC The power supply module 31 of the display screen cooperates with the external power supply module (such as the battery of the mobile terminal) to reduce the current of the external power supply module, so as to achieve the purpose of saving functions.

In the embodiment of the present application, after converting the radiant energy of sunlight into a DC voltage signal, the DC voltage signal is further converted into a DC voltage signal with a preset value by the solar energy processing module, which can meet the voltage requirements of the power supply module of the display screen. Requirements, realize the power supply to the display screen.

Referring to FIG. 4 , it is a schematic diagram of a display screen provided by Embodiment 3 of the present application. For convenience of description, only parts related to the embodiment of the present application are shown.

The display screen includes a power supply module 41, a solar circuit module 42, a solar processing module 43 and a processing module 44;

The processing module 44 is connected to the solar circuit module 42;

The solar processing module 43 is connected to the solar circuit module 42 and the power supply module 41 respectively;

The solar circuit module 42 is used to obtain the radiant energy of the sunlight irradiated on the display screen, and send the radiant energy of the sunlight to the processing module 44;

The processing module 44 is configured to detect whether the radiant energy of the sunlight exceeds a preset threshold, and send a first control signal to the solar circuit module 42 when the radiant energy of the sunlight exceeds the preset threshold ;

The solar circuit module 42 is configured to convert the radiant energy of the sunlight into a DC voltage signal after receiving the first control signal, and send the DC voltage signal to the solar processing module 43;

The solar processing module 43 is used to convert the DC voltage signal into a DC voltage signal with a preset value, and send the DC voltage signal with a preset value to the power supply module 41 to provide supply power to the display.

Optionally, the processing module 44 is further configured to send a sleep detection signal to the solar circuit module 42 when the radiant energy of the sunlight does not exceed the preset threshold;

The solar circuit module 42 is configured to maintain a sleep detection state when receiving the sleep detection signal.

In the embodiment of the present application, after the solar circuit module 42 integrated in the display screen obtains the radiant energy of sunlight shining on the display screen, it can send the radiant energy of sunlight to the processing module 44, and the processing module 44 When receiving the radiant energy of the sunlight, it can be detected whether the radiant energy of the sunlight exceeds the preset threshold to detect the intensity of sunlight at the current moment. If the radiant energy of the sunlight exceeds the preset threshold, the current moment can be determined The sunlight intensity is higher (at this time, the brightness of the display screen can be adjusted to ensure that the picture displayed on the display screen is clearer), and the solar energy at the current moment can produce more electric energy. At this time, the first control can be sent to the solar circuit module 42. signal to start the solar function of the display screen, and convert the radiant energy of sunlight into a DC voltage signal to supply power to the display screen; if the radiant energy of sunlight does not exceed the preset threshold, it can be determined that the current sunlight intensity Low, the solar energy at the current moment produces less electric energy, and the use of the display screen cannot be guaranteed. At this time, a sleep detection signal can be sent to the solar circuit module 42, and the solar circuit module 42 can remain in the sleep state after receiving the sleep detection signal. Sleep detection status.

Wherein, the first control signal is used to instruct the solar circuit module 42 to convert the radiation energy of sunlight into a DC voltage signal. The solar function may refer to the function of using electric energy generated by solar energy (that is, the radiation energy of sunlight) to supply power to the display screen. Since the solar circuit module 42 is usually made up of a plurality of solar modules, the sleep detection state can refer to starting a small number of solar modules in the solar circuit module (a small number of solar modules can refer to N solar modules in the plurality of solar modules, wherein , N is less than the total number of solar modules that make up the solar circuit module), so as to reduce the power consumption generated when the solar circuit module is working. The processing module 44 can be integrated in the driver IC of the display screen.

Optionally, the processing module 44 is also configured to regularly send a detection signal to the solar circuit module 42;

The solar circuit module 42 is used to detect whether there is sunlight on the display screen when receiving the detection signal, and when detecting that there is sunlight on the display screen, obtain the irradiated The radiant energy of sunlight on the display screen sends a second control signal to the processing module 44 when no sunlight is detected on the display screen;

The processing module 44 is configured to send a sleep detection signal to the solar circuit module 42 when receiving the second control signal;

The solar circuit module 42 is configured to maintain a sleep detection state when receiving the sleep detection signal.

In the embodiment of the present application, the processing module 44 can regularly send a detection signal to the solar circuit module 42 (for example, send a detection signal to the solar circuit module every preset time), and the solar circuit module 42 will receive the detection signal after receiving the detection signal. , detect whether there is sunlight on the display screen, and when detecting that there is sunlight on the display screen, obtain the radiant energy of the sunlight shining on the display screen; When there is sunlight on, a second control signal can be sent to the processing module 44, and the processing module 44 is used to send a sleep detection signal to the solar circuit module 42 when receiving the second control signal, so that the solar circuit module 42 keeps sleeping detection status.

Wherein, since the solar circuit module 42 is usually composed of a plurality of solar modules, detecting that there is sunlight on the display screen may mean that at least one solar module in the solar circuit module 42 detects that there is sunlight on the display screen, Detecting that there is no solar radiation on the display screen may mean that none of the solar modules in the solar circuit module 42 detects that there is sunlight radiation on the display screen. The second control signal is used to instruct the processing module 44 to send a sleep detection signal to the solar circuit module 42 . The sleep detection state can refer to starting a small number of solar modules in the solar circuit module (a small number of solar modules can refer to N solar modules in a plurality of solar modules, wherein N is less than the total number of solar modules forming the solar circuit module) to work , thereby reducing the power consumption generated when the solar circuit module is working.

Since the embodiment of the present application regularly detects whether there is sunlight on the display screen, when the detection time is reached, the processing module 44 can first detect the state of the solar circuit module 42, if the solar circuit module 42 maintains the sleep detection state, Then can control solar circuit module 42 whether there is sunlight on the designated solar module detection display screen (that is, start the designated solar module to work), when the designated solar module does not detect that there is sunlight on the display screen, control the solar circuit Module 42 continues to be in the sleep detection state; When designated solar module detects that there is sunlight on the display screen, it can obtain the radiant energy of the sunlight that irradiates on the solar circuit module 42 (that is, the sunlight that all solar modules obtain). sum of radiant energy).

In the embodiment of the present application, after obtaining the radiant energy of the sunlight irradiated on the solar circuit module, the processing module in the display screen can compare the radiant energy of the sunlight with the preset threshold, and calculate the radiant energy of the solar light When the preset threshold value is exceeded, the power generated by the solar radiation energy is used to supply power to the display screen, so that the display screen can be powered when the intensity of sunlight is high, reducing the power supply of the battery of the mobile terminal to the display screen and improving the mobile terminal. The battery life of the terminal prolongs the battery life of the mobile terminal.

The embodiment of the present application also includes a mobile terminal, the mobile terminal includes a display screen, the display screen can be the display screen shown in Figure 1, Figure 3 and Figure 4, and the description of the display screen can refer to the previous embodiment The description of the display screen will not be repeated here.

Referring to FIG. 5 , it is a schematic diagram of the implementation flow of the display power supply method provided by Embodiment 4 of the present application. The display power supply method can be applied to the above-mentioned Embodiment 1 to Embodiment 3. As shown in the figure, the display power supply method can include the following step:

Step S501, acquiring the radiant energy of sunlight shining on the display screen;

Step S502, converting the radiant energy of the sunlight into a DC voltage signal;

Step S503, sending the DC voltage signal to the power module to supply power to the display screen.

Optionally, the solar circuit module is plated on the back of the touch screen TP substrate of the display screen, wherein the back of the TP substrate refers to the side of the TP substrate adjacent to the polarizer.

Optionally, the solar circuit module is plated on the back of the CF substrate of the color filter of the display screen, wherein the back of the CF substrate refers to the side of the CF substrate adjacent to the polarizer.

Optionally, the solar circuit module is arranged between the touch screen TP substrate and the glass cover of the display screen.

Optionally, the solar circuit module sends the DC voltage signal to the solar processing module;

The solar processing module converts the DC voltage signal into a DC voltage signal with a preset value, and sends the DC voltage signal with a preset value to the power supply module.

Optionally, the display screen further includes a processing module connected to the solar circuit module;

The solar circuit module sends the radiant energy of the sunlight to the processing module;

The processing module detects whether the radiant energy of the sunlight exceeds a preset threshold, and sends a first control signal to the solar circuit module when the radiant energy of the sunlight exceeds the preset threshold;

The solar circuit module converts the radiant energy of the sunlight into a DC voltage signal after receiving the first control signal.

Optionally, the processing module sends a sleep detection signal to the solar circuit module when the radiant energy of the sunlight does not exceed the preset threshold;

The solar circuit module maintains a sleep detection state when receiving the sleep detection signal.

Optionally, the processing module regularly sends detection signals to the solar circuit module;

When the solar circuit module receives the detection signal, it detects whether there is sunlight on the display screen, and when it detects that there is sunlight on the display screen, it acquires The radiant energy of sunlight on the screen sends a second control signal to the processing module when no sunlight is detected on the display screen;

The processing module sends a sleep detection signal to the solar circuit module when receiving the second control signal; the solar circuit module maintains a sleep detection state when receiving the sleep detection signal.

The display screen power supply method provided by the embodiment of the present application can be applied to the above-mentioned display screen embodiment 1, embodiment 2 and embodiment 3. For details, refer to the descriptions of the above-mentioned embodiment 1, embodiment 2 and embodiment 3, which will not be repeated here. repeat.

In the above-mentioned embodiments, the descriptions of each embodiment have their own emphases, and for parts that are not detailed or recorded in a certain embodiment, refer to the relevant descriptions of other embodiments.

The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still implement the foregoing embodiments Modifications to the technical solutions described in the examples, or equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the application, and should be included in the Within the protection scope of this application.

Claims (10)

1. A display screen, the display screen comprising a power module, characterized in that the display screen also comprises a solar circuit module; The solar circuit module is connected to the power module; The solar circuit module is used to obtain the radiant energy of sunlight shining on the display screen, convert the radiant energy of the sunlight into a DC voltage signal, and send the DC voltage signal to the power module, to supply power to the display. 2. The display screen according to claim 1, wherein the solar circuit module is plated on the back side of the touch screen TP substrate of the display screen, wherein the back side of the TP substrate refers to the TP substrate and polarized light Adjacent sides of the slices. 3. The display screen according to claim 1, wherein the solar circuit module is plated on the back side of the color filter CF substrate of the display screen, wherein the back side of the CF substrate refers to the CF The side of the substrate adjacent to the polarizer. 4. The display screen according to claim 1, wherein the solar circuit module is disposed between the touch screen TP substrate and the glass cover of the display screen. 5. The display screen according to claim 1, wherein the display screen further comprises a solar processing module; The solar processing module is respectively connected with the solar circuit module and the power supply module; The solar circuit module is used to send the DC voltage signal to the solar processing module; The solar processing module is used to convert the DC voltage signal into a DC voltage signal with a preset value, and send the DC voltage signal with a preset value to the power supply module. 6. The display screen according to claim 1, further comprising a processing module, wherein the processing module is connected to the solar circuit module; The solar circuit module is used to send the radiant energy of the sunlight to the processing module; The processing module is used to detect whether the radiant energy of the sunlight exceeds a preset threshold, and when the radiant energy of the sunlight exceeds the preset threshold, send a first control signal to the solar circuit module; The solar circuit module is used for converting the radiation energy of the sunlight into a DC voltage signal after receiving the first control signal. 7. The display screen according to claim 6, wherein the processing module is further configured to send sleep detection to the solar circuit module when the radiant energy of the sunlight does not exceed the preset threshold Signal; The solar circuit module is used for maintaining a sleep detection state when receiving the sleep detection signal. 8. The display screen according to claim 6, wherein the processing module is further configured to regularly send a detection signal to the solar circuit module; The solar circuit module is used for detecting whether there is sunlight on the display screen when receiving the detection signal, and when detecting that there is sunlight on the display screen, obtain the The radiant energy of sunlight on the display screen, when no sunlight is detected on the display screen, a second control signal is sent to the processing module; The processing module is configured to send a sleep detection signal to the solar circuit module when receiving the second control signal; The solar circuit module is used for maintaining a sleep detection state when receiving the sleep detection signal. 9. A mobile terminal, characterized in that the mobile terminal comprises the display screen according to any one of claims 1 to 8. 10. A display power supply method, characterized in that it is applied to the display screen according to any one of claims 1 to 8, and the display screen power supply method comprises: Obtaining the radiant energy of sunlight shining on the display screen; converting the radiant energy of the sunlight into a DC voltage signal; Send the DC voltage signal to the power module to supply power to the display screen.