CN114280837A - Display module, electronic equipment and power supply method - Google Patents

Display module, electronic equipment and power supply method Download PDF

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Publication number
CN114280837A
CN114280837A CN202111618522.4A CN202111618522A CN114280837A CN 114280837 A CN114280837 A CN 114280837A CN 202111618522 A CN202111618522 A CN 202111618522A CN 114280837 A CN114280837 A CN 114280837A
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layer
photoelectric conversion
light
display module
conversion layer
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CN202111618522.4A
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Chinese (zh)
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郑超
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202111618522.4A priority Critical patent/CN114280837A/en
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Abstract

The application provides a display module, an electronic device and a power supply method. Wherein, the display module includes display screen and luminous module. The light-emitting module is used for providing a light source for the display screen. The display screen includes a substrate, a pixel layer, and a photoelectric conversion layer. The pixel layer and the photoelectric conversion layer are arranged on one side of the substrate at the same layer. The pixel layer comprises a plurality of pixels arranged at intervals, and at least part of the photoelectric conversion layer is arranged between two adjacent pixels. The photoelectric conversion layer has light-shielding property, light can pass through the substrate to the photoelectric conversion layer and be converted into an electric signal, and at least part of the electric signal is transmitted to the light-emitting module by the photoelectric conversion layer. This application can be integrated photoelectric conversion layer in display module assembly, simplifies display module assembly's structure, improves the variety of display module assembly function. And partial electric energy can be converted and formed by the photoelectric conversion layer and supplied to the light-emitting module, so that the electric energy consumption of a power supply in the electronic equipment is reduced, and the cruising ability of the electronic equipment is improved.

Description

Display module, electronic equipment and power supply method
Technical Field
The application belongs to the technical field of electronic equipment, and particularly relates to a display module, electronic equipment and a power supply method.
Background
Users often use electronic devices in different environments. For example, when the brightness value of the ambient light is large, the brightness of the display module in the electronic device needs to be increased so that the user can clearly see the content displayed on the display module. However, the brighter the display module is, the more electric energy the electronic device consumes, which reduces the cruising ability of the electronic device.
Disclosure of Invention
In view of this, a first aspect of the present application provides a display module, which includes a display screen and a light emitting module, where the light emitting module is configured to provide a light source for the display screen, the display screen includes a substrate, a pixel layer, and a photoelectric conversion layer, the pixel layer and the photoelectric conversion layer are disposed on the same layer on one side of the substrate, the pixel layer includes a plurality of pixels disposed at intervals, and at least a portion of the photoelectric conversion layer is disposed between two adjacent pixels; the photoelectric conversion layer has light-shielding property, light can pass through the substrate to the photoelectric conversion layer and be converted into an electric signal, and at least part of the electric signal is transmitted to the light-emitting module by the photoelectric conversion layer.
The application provides a display screen and a light-emitting module in a first aspect. The display screen comprises a substrate, a pixel layer and a photoelectric conversion layer. Firstly, the light-emitting module can provide a light source for the display screen and provide a basis for the display screen to display information such as characters, patterns and the like. The substrate can allow light to pass through, so that the photoelectric conversion layer can receive external light, namely, a basis is provided for absorbing external light energy.
And secondly, the display module also enables the pixel layer and the photoelectric conversion layer to be arranged on the same layer, and at least part of the photoelectric conversion layer is arranged between two adjacent pixels. The photoelectric conversion layer can be integrated in the display module, and the photoelectric conversion layer does not need to be additionally arranged outside the display module in the related art. Because this application adopts the photoelectric conversion layer that has the light-proofness, consequently photoelectric conversion layer can shelter from the light between two adjacent pixels, can regard photoelectric conversion layer as the photoresistance between two pixels, keeps apart the light of two adjacent pixels to avoid the light colour mixture in advance between two pixels and reduce the display effect.
And the photoelectric conversion layer can convert the light rays passing through the substrate into electric signals, namely electric energy, required by the display module. Therefore, when a user is in an environment with high ambient light brightness, the photoelectric conversion layer can be used for converting electric energy, and at least part of electric energy is supplied to the display module to improve the brightness of the display module.
In conclusion, the photoelectric conversion layer can be integrated in the display module, the structure of the display module is simplified, and the function diversity of the display module is improved. And partial electric energy can be converted and formed by the photoelectric conversion layer and supplied to the light-emitting module, so that the electric energy consumption of a power supply in the electronic equipment is reduced, and the cruising ability of the electronic equipment is improved.
The second aspect of the present application provides an electronic device, including a housing, a power supply, a processor, and a display module set as provided in the first aspect of the present application, the housing has an accommodating space, the display module set is installed in the housing, the power supply and the processor are disposed in the accommodating space, and the processor is electrically connected to the power supply and the display module set.
The electronic equipment of this application second aspect through using the display module assembly that this application first aspect provided, can be integrated with photoelectric conversion layer in the display module assembly, simplifies the structure of display module assembly, improves the variety of display module assembly function. And partial electric energy can be converted and formed by the photoelectric conversion layer and supplied to a light-emitting module in the display module or other parts which store or need to use the electric energy, such as a power supply in the electronic equipment, for supplying extra electric energy, so that the electric energy consumption of the power supply in the electronic equipment is reduced, and the cruising ability of the electronic equipment is improved.
A third aspect of the present application provides a power supply method, including:
acquiring intensity of an electrical signal converted from an optical signal;
acquiring a brightness value of ambient light;
when the brightness value of the environment light is larger than a preset brightness value, acquiring the intensity of an electric signal required by a display screen;
and when the intensity of the electric signal is greater than that of the electric signal required by the display screen, transmitting part of the electric signal to the light-emitting module, and simultaneously transmitting the rest of the electric signal to the power supply.
According to the power supply method provided by the third aspect of the application, the intensity of the electrical signal converted from the optical signal, namely the electric quantity of the optical energy converted into the electric energy can be obtained, and a foundation is provided for subsequently transmitting the additional electric energy to the light-emitting module; and then obtaining the brightness value of the environment light, and comparing the brightness value of the environment light with a preset brightness value to judge whether the brightness value of the display screen needs to be improved or not, so as to judge whether the electric signal needs to be transmitted to the light-emitting module or not.
When the ambient light brightness value is greater than the preset brightness value, namely the brightness of the display screen is not enough to enable a user to clearly read the display content of the display screen, the brightness of the display screen needs to be improved, namely the electric signal needs to be transmitted to the light-emitting module, so that electric energy is supplied to the light-emitting module.
And then, acquiring the intensity of the electric signal required by the display screen, and comparing the intensity of the electric signal with the intensity of the electric signal required by the display screen, namely, the electric quantity required by the brightness of the display screen, so as to judge whether the intensity of the electric signal obtained meets the intensity of the electric signal required by the display screen, namely, judge whether the electric quantity of the photoelectric conversion meets the electric quantity required by the brightness of the display screen.
When the intensity of the electric signal is greater than that of the electric signal required by the display screen, namely the intensity of the electric signal can meet the intensity of the electric signal required by the display screen, and residual electric signals can be generated. At the moment, part of the electric signals are transmitted to the light-emitting module to improve the brightness of the display screen to reach a preset brightness value, and meanwhile, the rest electric signals are transmitted to the power supply to store the rest electric signals, namely, electric energy.
In summary, the power supply method provided by the present application can directly transmit at least a portion of the electrical signal to the light emitting module for the display screen to increase the brightness, and simultaneously directly transmit the remaining electrical signal to the power supply for use. Compared with the prior art, the power supply method does not need to transmit the electric signal, namely the electric energy, to the power supply first, and then transmits the electric signal to the light-emitting module from the power supply, so that the power supply method can improve the power supply efficiency.
Drawings
In order to more clearly explain the technical solution in the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be described below.
Fig. 1 is a top view of a display module according to an embodiment of the present disclosure.
FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1 according to an embodiment of the present disclosure.
FIG. 3 is a schematic cross-sectional view taken along the line A-A of FIG. 1 according to another embodiment of the present application.
FIG. 4 is a schematic cross-sectional view taken along the line A-A of FIG. 1 according to yet another embodiment of the present application.
Fig. 5 is a top view of a display module according to another embodiment of the present disclosure.
FIG. 6 is a schematic cross-sectional view taken along the line A-A of FIG. 5 according to another embodiment of the present application.
FIG. 7 is a schematic cross-sectional view taken along the line A-A of FIG. 5 according to yet another embodiment of the present application.
FIG. 8 is a schematic cross-sectional view taken along the line A-A of FIG. 5 in accordance with yet another embodiment of the present application.
FIG. 9 is a schematic cross-sectional view taken along the line A-A of FIG. 5 in accordance with yet another embodiment of the present application.
FIG. 10 is a schematic cross-sectional view taken along the line A-A of FIG. 5 in accordance with yet another embodiment of the present application.
FIG. 11 is a schematic cross-sectional view taken along the line A-A of FIG. 5 in accordance with yet another embodiment of the present application.
Fig. 12 is a top view of a display module according to another embodiment of the present disclosure after being flipped.
FIG. 13 is a schematic cross-sectional view taken along the line B-B in FIG. 12 of yet another embodiment of the present application.
Fig. 14 is a schematic perspective view of an electronic device according to an embodiment of the present application.
Fig. 15 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 16 is a schematic structural diagram of an electronic device with a housing removed according to another embodiment of the present application.
Fig. 17 is a power supply flow chart of a power supply method according to an embodiment of the present application.
Fig. 18 is a power supply flowchart included in S300 in fig. 17.
Description of reference numerals:
the display device comprises a display module-1, a display screen-2, a light emitting module-3, a substrate-10, a pixel layer-11, a pixel-111, a containing space-111 a, a photoelectric conversion layer-12, a first surface-121, a second surface-122, a light shielding layer-13, a liquid crystal layer-14, a thin film transistor layer-15, a conductive piece-16, a flat layer-17, a support piece-18, a sub-support piece-19, a conductive layer-20, a display area-21, a non-display area-22, electronic equipment-4, a shell-41, a power supply-42, a processor-43, a flexible circuit board-44 and a conductive wire-45.
Detailed Description
The following is a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present application, and these improvements and modifications are also considered as the protection scope of the present application.
Before the technical solutions of the present application are introduced, the technical problems in the related art will be described in detail.
Users often use electronic devices in different environments. For example, when the brightness value of the ambient light is large, the brightness of the display module in the electronic device needs to be increased so that the user can clearly see the content displayed on the display module. However, the brighter the display module is, the more electric energy the electronic device consumes, which reduces the cruising ability of the electronic device.
For example, when the current LCD screen has the maximum brightness indoors, the brightness value of the screen is usually adjusted to the maximum, and the output current of the LED lamp of the backlight power supply of the LCD screen is about 20 mA. However, when the illuminance of the outdoor sunlight or the ambient light exceeds 8000lux, the brightness of the display module in the electronic device needs to be improved so that the user can clearly see the content displayed on the LCD screen, i.e., the function of starting the outdoor sun screen is used for adjusting the screen brightness. The sunlight screen technology is a technology which enables the display effect of a screen to be clearer and the power saving effect to be better under sunlight or strong light. Current sun screen technology is typically implemented by increasing the current to the LED lamps of the backlight power supply, thereby increasing the brightness of the LCD screen. The maximum current of the LED lamp can reach 30mA, and the larger the current of the LED lamp is, the higher the power consumption of the electronic equipment is.
If the function of the outdoor sun screen is started, the backlight driving chip in the display module can increase the backlight current according to the outdoor sunlight illumination, and the current is increased from 20mA to 25 mA. Assuming that the backlight comprises 16 LED lamps, the current of the LED lamp is 20mA originally at the maximum brightness in the room, and the voltage of each lamp is 3V, so that the power consumption of the backlight at the maximum brightness in the room is 16 × 3 × 20 — 960 mW. If the backlight current is increased to 25mA in sunlight or strong light, the backlight power consumption is 16 × 3 × 25 — 1200 mW. Therefore, when the electronic equipment is used in outdoor sunlight or under strong light, the electronic equipment can trigger the sunlight screen function to enable a user to see clearly in the sunlight, but the power consumption is increased by 240mW, and the battery capacity of 60mA is influenced by converting the power consumption to the battery end. Therefore, the brighter the display module is, the more electric energy the electronic equipment consumes, and the cruising ability of the electronic equipment is reduced.
In view of the above, in order to solve the above problems, the present application provides a display module. Referring to fig. 1-2, fig. 1 is a top view of a display module according to an embodiment of the present disclosure. FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1 according to an embodiment of the present disclosure.
The present embodiment provides a display module 1, which includes a display screen 2 and a light emitting module 3. The light-emitting module 3 is used for providing a light source for the display screen 2. The display screen 2 includes a substrate 10, a pixel layer 11, and a photoelectric conversion layer 12. The pixel layer 11 and the photoelectric conversion layer 12 are disposed on one side of the substrate 10 at the same layer. The pixel layer 11 includes a plurality of pixels 11 arranged at intervals, and at least a part of the photoelectric conversion layer 12 is arranged between two adjacent pixels 111. The photoelectric conversion layer 12 has a light-shielding property, light can pass through the substrate 10 to the photoelectric conversion layer 12 and be converted into an electrical signal, and the photoelectric conversion layer 12 transmits at least part of the electrical signal to the light-emitting module 3.
Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The display module 1 according to the present embodiment is a comprehensive member for displaying information such as characters and patterns, or having other functions. The display module 1 provided in the present embodiment may have various configurations, and the present embodiment is schematically described only in the case where the display module 1 is applied to an electronic device. However, this does not mean that the display module 1 of the present embodiment is necessarily applied to an electronic device. Note that the electronic devices provided in this embodiment include, but are not limited to, mobile terminals such as mobile phones, tablet computers, notebook computers, palm computers, Personal Computers (PCs), Personal Digital Assistants (PDAs), Portable Media Players (PMPs), navigation devices, wearable devices, smart bands, pedometers, and fixed terminals such as Digital TVs and desktop computers. In the present embodiment, the type of the electronic device is not limited.
The display module 1 provided by the embodiment includes a display screen 2. The display screen 2 is a comprehensive component which is used for displaying information such as characters, patterns and the like and can be matched with other components in the display module 1. In the present embodiment, the shape and material of the display screen 2 are not limited. Moreover, the display module 1 further comprises a light-emitting module 3, and the light-emitting module 3 can provide a light source for the display screen 2 and provide a basis for the display screen 2 to display information such as characters and patterns. In the present embodiment, the shape and material of the light emitting module 3 are not limited, and only the light emitting module can be used for light emission. Optionally, the light emitting module 3 includes, but is not limited to, a backlight source, a light emitting diode, and the like.
Optionally, the light emitting module 3 is disposed on a side facing away from the substrate 10 in the display screen 2. For example, when the display module 1 is used by a user, the substrate 10 may be used as a touch screen glass disposed on a side close to the user. Therefore, the light emitting module 3 is disposed on a side away from the substrate 10 of the display 2, and it can also be understood that the light emitting module 3 is disposed on a side away from the user than the substrate 10. Optionally, the light emitting module 3 is disposed on one side of the display screen 2. For example, when the light emitting module 3 is disposed on one side of the display screen 2, the light of the light emitting module 3 can be refracted or transmitted to the display screen 2 by adding a refraction member or designing a refraction portion in the display module 1. In the present embodiment, the light emitting module 3 is only schematically illustrated as being disposed on one side of the display panel 2, and thus the existence of the light emitting module 3 cannot be seen in the cross-sectional views of the present application.
The display screen 2 includes a substrate 10, and the substrate 10 is generally used to support a pixel layer 11, a photoelectric conversion layer 12, and other components. In this embodiment, the shape and material of the substrate 10 are not limited, and light can pass through the substrate 10 to the photoelectric conversion layer 12. Sources of light include, but are not limited to, natural light sources, artificial light sources, and the like, for example: sunlight, light, etc. And light may also be understood as an optical signal. The substrate 10 can allow an external light signal to pass through, so that the photoelectric conversion layer 12 can receive the light signal, that is, absorb external light energy, and provide a basis for the photoelectric conversion layer 12 to convert the light signal into an electrical signal, that is, convert the light energy into electrical energy. Alternatively, the substrate 10 provided in this embodiment mode includes, but is not limited to, a glass substrate, a sapphire substrate, and the like. Further optionally, the substrate 10 comprises alkali-free glass.
The display screen 2 provided by the present embodiment further includes a pixel layer 11, where the pixel layer 11 is generally used for color development, and multiple colors are mixed to obtain information such as patterns and characters to be displayed. The pixel layer 11 may include a resin and a pigment. The pixel layer 11 includes a plurality of pixels 111 arranged at intervals, and the pixels 111 are members for color development. In this embodiment, the shape and material of the pixel 111 are not limited, and the pixel 111 may be used for color development. Alternatively, the pixels 111 include, but are not limited to, individual red (R) pixels, green (G) pixels, or blue (B) pixels, RGB chips, filters, light emitting diodes, and the like. Alternatively, for example, when the pixel 111 is an RGB chip, the light passes through the pixel 111, and the pixel 111 can convert the light into light corresponding to RGB colors, i.e., form a color and a gray scale, and then emit the light, thereby implementing the color function of the display module 1. It should be noted that the pixels 111 in fig. 1 are irregular rectangles, which are caused by blocking other opaque components (such as a driving circuit) of the display module 1, and the pixels 111 are irregular rectangles when viewed from a top view. In actual production, however, the pixel 111 may have other shapes such as a rectangle, a polygon, and the like.
The display screen 2 provided by the present embodiment further includes a photoelectric conversion layer 12, and the photoelectric conversion layer 12 can be used to convert an optical signal into an electrical signal, that is, by receiving light, optical energy is converted into electrical energy. In this embodiment, the shape and material of the photoelectric conversion layer 12 are not limited, and only photoelectric conversion can be achieved. Alternatively, the photoelectric conversion layer 12 includes a PN junction.
The PN junction refers to connecting an N-type semiconductor and a P-type semiconductor together. In the PN junction, the concentration of free electrons and holes is different between the N-type semiconductor and the P-type semiconductor, so that the free electrons and holes are diffused. Since the concentration of free electrons in the N-type semiconductor is high, free electrons diffuse from the N-type half body to the P-type semiconductor. The hole concentration in the P-type semiconductor is high, so that the holes will diffuse from the P-type semiconductor to the N-type semiconductor. As a result of the diffusion, the N-type semiconductor near the surface where the N-type semiconductor and the P-type semiconductor are connected loses electrons and gets holes to be positively charged, the P-type semiconductor loses holes and gets electrons to be negatively charged, and the charge density is not uniform, so that an electric field can be generated near the surface where the N-type semiconductor and the P-type semiconductor are connected. When the photoelectric conversion material receives light, the PN junction semiconductor generates free electrons and holes under the excitation of photoelectrons. Because an electric field exists in the PN junction, electrons move to the N-type semiconductor, and holes move to the P-type semiconductor, so that charges are concentrated towards two ends of the PN junction to generate a light potential related to the intensity of light, and the conversion from a light signal to an electric signal, namely the conversion from light energy to electric energy, is realized.
Alternatively, the photoelectric conversion layer 12 may include one or more of silicon, germanium, and a III-V compound. Wherein, the III-V compound refers to a compound formed by boron, aluminum, gallium, indium in III group of the periodic table of elements and nitrogen, phosphorus, arsenic and antimony in V group, and mainly comprises gallium arsenide, indium phosphide, gallium nitride and the like. Further alternatively, the photoelectric conversion layer 12 may include one or more of single crystal silicon, polycrystalline silicon, and amorphous silicon.
The photoelectric conversion layer 12 also has light-shielding properties. The pixel layer 11 and the photoelectric conversion layer 12 are disposed on the same layer, and at least a part of the photoelectric conversion layer 12 is disposed between two adjacent pixels 111. Because the photoelectric conversion layer 12 has a light-shielding property, the photoelectric conversion layer 12 can shield light between two adjacent pixels 111, that is, the photoelectric conversion layer 12 can be regarded as a light resistor between the two pixels 111 to isolate the light of the two adjacent pixels 111, thereby preventing the light between the two pixels 111 from being mixed in advance to reduce the display effect, improving the contrast of different colors displayed by the display module 1, and preventing the light leakage of the pixel layer 11 from affecting the thin film transistor layer in the display module 1. In the case of severe color mixing of the pixels 111, even display abnormality of the display module 1 may be caused. Alternatively, the photoelectric conversion layer 12 has opacity. Alternatively, at least part of the photoelectric conversion layer 12 may be black or a color of a darker color system. For example, when the photoelectric conversion layer 12 includes single crystal silicon, since the single crystal silicon is dark black blue, it has light-shielding properties; or, when the photoelectric conversion layer 12 includes polycrystalline silicon, monocrystalline silicon is gray and has light-shielding properties.
The pixel layer 11 and the photoelectric conversion layer 12 are provided on the same layer on one side of the substrate 10. The same layer arrangement may also be understood as that at least part of the pixel layer 11 and at least part of the photoelectric conversion layer 12 are connected to the substrate 10. In this embodiment, the height of the pixel layer 11 and the photoelectric conversion layer 12 perpendicular to the substrate 10 is not limited. However, in the actual process of manufacturing the display module 1, since the photoelectric conversion layer 12 is first disposed on the substrate 10, and then the pixels 111 are disposed on the substrate 10 at intervals, the height of the pixel layer 11 perpendicular to the substrate 10 is usually not less than the height of the photoelectric conversion layer 12 perpendicular to the substrate 10, that is, the photoelectric conversion layer 12 is disposed in the pixel layer 11. This embodiment will be described only schematically with the photoelectric conversion layer 12 provided in the pixel layer 11.
In the display module 1 of the present embodiment, the substrate 10 is closer to the user than the pixel layer 11 and the photoelectric conversion layer 12 are to the user when the user uses the display module. Alternatively, the substrate 10 may be used as a touch layer of the display module 1 when a user uses an electronic device. However, in the manufacturing process, the pixel layer 11 and the photoelectric conversion layer 12 are continuously processed and disposed on one side of the substrate 10 while using the substrate 10 as a bottom surface. It can also be understood that the user turns the prepared display module 1 first and then uses the display module 1.
As shown in fig. 2, in this embodiment, the substrate 10, the pixel layer 11, and the photoelectric conversion layer 12 are provided so that the display module 1 performs photoelectric conversion. The substrate 10 can allow light to pass therethrough, and provides a basis for the photoelectric conversion layer to receive external light, i.e., absorb external light energy. The pixel layer 11 can be used for developing colors, and mixing multiple colors to obtain information such as patterns, characters and the like to be displayed. The photoelectric conversion layer 12 can be used for shading light to prevent the pixels 111 from mixing color in advance, so as to improve the display effect; the light source module can also be used for photoelectric conversion, namely converting light into an electric signal, namely a light signal, so as to transmit at least part of the electric signal to the light-emitting module 3, namely supplying electric energy to the light-emitting module 3.
When light passes through the substrate 10 in the direction D1 as shown in fig. 2, the photoelectric conversion layer 12 receives the light, that is, the photoelectric conversion layer 12 receives a light signal. Then, the photoelectric conversion layer 12 converts the optical signal into an electric signal, i.e., electric power, required for the display screen 2. Therefore, when a user is in an environment with high ambient light brightness, that is, when the brightness of the display screen 2 needs to be improved to enable the user to clearly read the information of the display screen 2, the electrical signal obtained by the photoelectric conversion layer 12 can be transmitted to the light-emitting module 3, so that the output current of the light-emitting module 3 is increased to improve the brightness of the display screen 2.
In summary, the photoelectric conversion layer 12 is integrated in the display module 1 in the present embodiment, so as to simplify the structure of the display module 1 and improve the function diversity of the display module 1. And partial electric energy can be formed by conversion of the photoelectric conversion layer 12 and supplied to the light-emitting module 3, that is, the electric energy obtained by the photoelectric conversion layer 12 is supplied to the light-emitting module 3 to improve the brightness of the display screen 2, so that the electric energy consumption of a power supply in the electronic equipment is reduced, and the cruising ability of the electronic equipment is improved.
Referring to fig. 3, fig. 3 is a schematic cross-sectional view taken along a direction a-a in fig. 1 according to another embodiment of the present disclosure. In this embodiment, the photoelectric conversion layer 12 extends into two adjacent pixels 111 on opposite sides of the two adjacent pixels 111.
As shown in fig. 3, in the present embodiment, the photoelectric conversion layer 12 extends into the two adjacent pixels 111 at two opposite sides close to the two adjacent pixels 111, and it can also be understood that the side of the pixel 111 close to the photoelectric conversion layer 12 encloses the substrate 10 to form an accommodating space 11a, and at least a part of the photoelectric conversion layer 12 is disposed in the accommodating space 11 a. Compared with the photoelectric conversion layer 12 disposed between two pixels 111, the photoelectric conversion layer 12 of the present embodiment can increase the surface area of the photoelectric conversion layer 12 on the side close to the substrate 10, that is, the surface area of the photoelectric conversion layer 12 receiving light, by extending at least partially into the pixels 111. Therefore, by arranging the photoelectric conversion layer 12 and the pixels 111, the surface area of the photoelectric conversion layer 12 for receiving light can be further increased while ensuring the light-shielding effect of the photoelectric conversion layer 12, and the intensity of the electrical signal convertible by the photoelectric conversion layer 12, that is, the electrical energy convertible by the photoelectric conversion layer 12 can be increased, so that the power consumption of the power supply in the electronic device can be further reduced, and the cruising ability of the electronic device can be further improved.
Referring to fig. 4, fig. 4 is a schematic cross-sectional view taken along a direction a-a in fig. 1 according to another embodiment of the present disclosure. In this embodiment, the photoelectric conversion layer 12 has a first surface 121 facing away from the substrate 10, and a second surface 122 connected to the first surface 121 in a bent manner, and the display module 1 further includes a light-shielding layer 13, where the light-shielding layer 13 is disposed on at least one of the first surface 121 and the second surface 122.
As shown in fig. 4, the display module 1 provided in this embodiment further includes a light-shielding layer 13, and the light-shielding layer 13 can be used for shielding light. In the present embodiment, the shape and material of the light-shielding layer 13 are not limited, and may be used for light-shielding. Optionally, the light shielding layer 13 includes resin and carbon powder. The light-shielding layer 13 may be disposed on at least one of the first surface 121 and the second surface 122, or it may be understood that the light-shielding layer 13 is disposed on at least one of a surface of the photoelectric conversion layer 12 close to the adjacent pixel 111 and a surface of the photoelectric conversion layer 12 away from the substrate 10, so as to avoid the light-shielding layer 13 being disposed on the surface of the photoelectric conversion layer 12 close to the substrate 10, thereby ensuring that the photoelectric conversion layer 12 can receive external light and perform photoelectric conversion. Therefore, by adding the light-shielding layer 13 and limiting the position of the light-shielding layer 13, the light-shielding capability of the photoelectric conversion layer 12 serving as a light-blocking layer between the pixels 111 can be further improved while ensuring the photoelectric conversion function of the photoelectric conversion layer 12, thereby preventing color mixing between the pixels 111 at an early stage and further improving the display stability of the display module 1.
Referring to fig. 5 to 6, fig. 5 is a top view of a display module according to another embodiment of the present disclosure. FIG. 6 is a schematic cross-sectional view taken along the line A-A of FIG. 5 according to another embodiment of the present application. In this embodiment, the display module 1 further includes a liquid crystal layer 14, a thin film transistor layer 15, and at least one conductive device 16, the liquid crystal layer 14 is disposed on one side of the pixel layer 11 departing from the substrate 10, the thin film transistor layer 15 is disposed on one side of the liquid crystal layer 14 departing from the substrate 10, one end of the at least one conductive device 16 is electrically connected to the photoelectric conversion layer 12, and the other end is electrically connected to the thin film transistor layer 15.
The display module 1 provided by the present embodiment further includes a liquid crystal layer 14, and the liquid crystal layer 14 is composed of a plurality of liquid crystals, and can be matched with other components of the display module 1 to adjust the state of the liquid crystals, so that the light can penetrate through the liquid crystal layer 14 or shield the light. It should be noted that the light here refers to not the external light, but the light emitted by the light emitting module 3 inside the display module 1. In the present embodiment, the shape of the liquid crystal layer 14 is not limited.
The display module 1 provided by the present embodiment further includes a Thin Film Transistor (TFT) layer 15, where the TFT layer 15 is used to control the liquid crystal layer 14, and change the form of the liquid crystal, so that the light passes through the liquid crystal layer 14 or shields the light. It should be noted that the light here refers to not the external light but the light of the light emitting module 3 inside the display module 1. In the present embodiment, the shape and material of thin-film transistor layer 15 are not limited.
The display module 1 of the present embodiment further includes a conductive member 16, and the conductive member 16 is used for conducting electricity to transmit an electrical signal from one component to another component, that is, to transmit a signal of electrical potential from one component to another component. In this embodiment, the shape and material of the conductive member 16 are not limited, and the conductive member 16 may be connected to the photoelectric conversion layer 12 and the thin film transistor layer 15. Alternatively, the conductive member 16 is disposed corresponding to the photoelectric conversion layer 12. Alternatively, the conductive member 16 may be a conductive gold ball.
As shown in FIG. 6, thin-film-transistor layer 15 is disposed on a side of liquid crystal layer 14 facing away from substrate 10. When the light of the light emitting module 3 in the display module 1 is emitted along the direction D2 as shown in fig. 6, the thin-film transistor layer 15 can control the liquid crystal layer 14, change the liquid crystal state in the liquid crystal layer 14, and thereby control the intensity of the light liquid crystal layer 14 or shield the light. When the light passing through the liquid crystal layer 14 passes through the pixel layer 11, the color of the display module 1 can be realized. Moreover, the conductive component 16 can connect the photoelectric conversion layer 12 and the thin film transistor layer 15, so as to transmit the electrical signal of the photoelectric conversion layer 12 to the thin film transistor layer 15, so as to improve the brightness of the display module 1, and thus the conductive component 16 can provide a basis for the display module 1 to utilize the electrical signal obtained by converting the optical signal.
Optionally, referring to fig. 7, fig. 7 is a schematic cross-sectional view taken along a direction a-a in fig. 5 according to yet another embodiment of the present disclosure. The display module 1 further includes a planarization layer 17, the planarization layer 17 is disposed on the pixel layer 11 and the side of the photoelectric conversion layer 12 away from the substrate 10, at least a portion of the planarization layer 17 is connected to the pixel layer 11 and the photoelectric conversion layer 12, light can pass through the planarization layer 17 to the pixel layer 11, and the surface of the planarization layer 17 away from the substrate 10 is horizontal 180 °. It should be noted that the light here refers to not the external light but the light of the light emitting module 3 inside the display module 1. Further optionally, the planar layer 17 comprises a thermosetting resin. The planarization layer 17 can be used to protect the pixel layer 11 and the photoelectric conversion layer 12, and the surface of the planarization layer 17 on the side facing away from the substrate 10 is 180 ° horizontal, i.e. the planarization layer 17 can keep the surface flat. Because the heights of the pixel layer 11 and the photoelectric conversion layer 12 perpendicular to the substrate 10 are not necessarily the same, the flat layer 17 is arranged on the side of the pixel layer 11 and the side of the photoelectric conversion layer 12 away from the substrate 10, the surface of the flat layer 17 away from the side of the substrate 10 is horizontal 180 degrees, subsequent processing can be performed on the surface of the flat layer 17 away from the side of the substrate 10, namely, processing can be performed on the flat surface, and therefore the difficulty in subsequent processing is reduced. For example, after coating and etching, the RGB pixels usually have uneven thickness, i.e., the height of the pixels 111 in the pixel layer 11 perpendicular to the substrate 10 is different, so that the planarization layer 17 is required to facilitate subsequent processing and ensure that the liquid crystal layer 14 and the electronic device after being turned over are flat.
Further alternatively, please refer to fig. 8, fig. 8 is a schematic cross-sectional view taken along a direction a-a in fig. 5 according to yet another embodiment of the present disclosure. As shown in fig. 8, at least one supporting member 18 is disposed in the liquid crystal layer 14, one end of the supporting member 18 is connected to the thin film transistor layer 15, and the other end is connected to the planarization layer 17. The supporting member 18(Photo Spacer, PS) can be used to support the thin film transistor layer 15 and other components of the display module 1, and also can be used to provide a space for placing liquid crystal and protect the liquid crystal in the liquid crystal layer 14. Still alternatively, at least one sub-supporting member 19 is disposed in the liquid crystal layer 14, and one end of the sub-supporting member 19 is connected to the planarization layer 17. When the color module is pressed by an external force, the sub-support 19 can support the thin-film transistor layer 15 and other components of the display module 1 in cooperation with the support 18 to protect the liquid crystal in the liquid crystal layer 14. Optionally, the support 18 or the sub-support 19 is elastic. Alternatively, the support 18 or the sub-support 19 is disposed corresponding to the photoelectric conversion layer 12. Alternatively, the support 18 or the sub-support 19 includes resin.
Referring to fig. 9-10, fig. 9 is a schematic cross-sectional view taken along a direction a-a in fig. 5 according to yet another embodiment of the present application. FIG. 10 is a schematic cross-sectional view taken along the line A-A of FIG. 5 in accordance with yet another embodiment of the present application. In this embodiment, the display module 1 further includes a conductive layer 20 disposed on the same layer as the pixel layer 11, the conductive layer 20 is disposed on a side of the liquid crystal layer 14 close to the substrate 10, the conductive layer 20 is electrically connected to the photoelectric conversion layer 12, and the one end of the conductive member 16 is electrically connected to the conductive layer 20.
The display module 1 of the present embodiment further includes a conductive layer 20, and the conductive layer 20 is used for conducting electricity to transmit an electrical signal from one component to another component. For example, the conductive layer 20 may conduct the collected potential energy to other components, such as a power supply or a backlight chip driving module of the display module 1, to form a complete circuit of photoelectric conversion. In the present embodiment, the shape and material of the conductive layer 20 are not limited, and only the conductive layer 20 needs to connect the photoelectric conversion layer 12 and the conductive member 16. Alternatively, light may pass through the conductive layer 20 to the photoelectric conversion layer 12 to be converted into an electrical signal. Optionally, the conductive layer 20 comprises oxidized tin fume. Alternatively, the light transmittance of the conductive layer 20 is not less than 95%.
And the conductive layer 20 is disposed in the same layer as the pixel layer 11. A layered arrangement is also to be understood as at least part of the conductive layer 20 being connected to at least part of the pixel layer 11. In addition, the conductive layer 20 is electrically connected to the photoelectric conversion layer 12, that is, at least a part of the conductive layer 20 is connected to at least a part of the photoelectric conversion layer 12. In the present embodiment, the positions of the photoelectric conversion layer 12 and the conductive layer 20 are not limited. The arrangement of the photoelectric conversion layer 12 and the conductive layer 20 includes the following cases:
in one embodiment, as shown in fig. 9, the conductive layer 20 is disposed on a side of the photoelectric conversion layer 12 close to the substrate 10. Since the conductive layer 20 connects the conductive member 16 and the photoelectric conversion layer 12, the electrical signal of the photoelectric conversion layer 12 is transmitted to the conductive layer 20, and the conductive layer 20 is transmitted to the conductive member 16, so that the electrical signal is transmitted to the thin-film transistor layer 15, thereby improving the brightness of the display screen 2. The transmission of electrical signals is achieved by the cooperation of the conductive layer 20 with the conductive member 16. Compared with the case of only arranging the conductive elements 16, the conductive layer 20 is added, so that the arrangement of the conductive elements 16 can be reduced, an electric signal is transmitted with the conductive elements 16 through the conductive layer 20, and the need of simultaneously arranging a plurality of conductive elements 16 to realize the transmission of the electric signal is avoided, thereby ensuring the conductive function of the display module 1, reducing the arrangement of more conductive elements 16 and lowering the production cost.
In another embodiment, as shown in fig. 10, the conductive layer 20 is disposed on a side of the photoelectric conversion layer 12 facing away from the substrate 10. Since the photoelectric conversion layer 12 is closer to the substrate 10 than the conductive layer 20, light can directly pass through the substrate 10 to the photoelectric conversion layer 12, and light is prevented from passing through the substrate 10 and then passing through the conductive layer 20 to the photoelectric conversion layer 12, so that light loss caused by light passing through the conductive layer 20 is avoided, more light can be received by the photoelectric conversion layer 12, that is, the number of optical signals received by the photoelectric conversion layer 12 is increased, and the number of electrical signals converted by the photoelectric conversion layer 12 is increased, that is, the electrical energy supplied by the photoelectric conversion layer 12 is increased.
In another embodiment, the conductive layer 20 is disposed on a side of the photoelectric conversion layer 12 close to the substrate 10 and on a side of the photoelectric conversion layer 12 away from the substrate 10. Since the conductive layers 20 are disposed on opposite sides of the photoelectric conversion layer 12 in a direction perpendicular to the substrate 10, light loss caused by light passing through the conductive layers 20 can be avoided, the number of optical signals received by the photoelectric conversion layer 12 can be increased, and the conductive efficiency of the conductive member 16 for transmitting electrical signals can be improved.
Alternatively, the conductive members 16 may be installed by layering. The display module 1 comprises a first layer and a second layer, wherein the first layer further comprises a conductive layer 20, a photoelectric conversion layer 12, a pixel layer 11 and a flat layer 17; the second layer also includes a liquid crystal layer 14 and a thin film transistor layer 15, a first installation space communicated with the conductive layer 20 is provided at one side of the first layer close to the second layer, a second installation space communicated with the thin film transistor layer 15 and corresponding to the first installation space is provided at one side of the second layer close to the first layer, at least part of the conductive member 16 is provided in the first installation space and the second installation space so that one end of the conductive member 16 is connected with the conductive layer 20, and the other end is connected with the thin film transistor layer 15. Further alternatively, the shape of the first mounting space and the second mounting space is not limited in the present embodiment. The first and second mounting spaces include, but are not limited to, slots, holes, etc.
Referring to fig. 11, fig. 11 is a schematic cross-sectional view taken along a direction a-a in fig. 5 according to yet another embodiment of the present disclosure. In this embodiment, the orthographic projection of the photoelectric conversion layer 12 on the substrate 10 covers the orthographic projection of the conductive layer 20 on the substrate 10.
As shown in fig. 11, the orthographic projection of the photoelectric conversion layer 12 on the substrate 10 is orthographic projection of the conductive layer 20 on the substrate 10, that is, in the direction perpendicular to the substrate 10, the orthographic projection area of the photoelectric conversion layer 12 is not smaller than that of the conductive layer 20. Therefore, by limiting the arrangement of the conductive layer 20, the area for arranging the conductive layer 20 can be reduced while ensuring the function of the conductive layer 20 to transmit electric signals, thereby reducing the cost. In addition, when the conductive layer 20 is provided on the side of the photoelectric conversion layer 12 close to the substrate 10, since the area of the orthographic projection of the photoelectric conversion layer 12 is not smaller than the area of the orthographic projection of the conductive layer 20 in the direction perpendicular to the substrate 10, the photoelectric conversion layer 12 can receive more light rays, i.e., optical signals, passing through the substrate 10, thereby increasing the number of electrical signals converted by the photoelectric conversion layer 12 and increasing the electrical power supplied by the photoelectric conversion layer 12.
Referring to fig. 12 to 13, fig. 12 is a top view of a display module turned over according to another embodiment of the present disclosure. FIG. 13 is a schematic cross-sectional view taken along the line B-B in FIG. 12 of yet another embodiment of the present application. In this embodiment, the display module 1 has a display area 21 and a non-display area 22, the non-display area 22 is disposed on at least a portion of a periphery of the display area 21, the conductive layer 20 is disposed in the display area 21, and the conductive member 16 is disposed in the non-display area 22.
The display module 1 according to the present embodiment includes a display area 21 and a non-display area 22, where the display area 21 is an area for displaying information such as characters and patterns, and the non-display area 22 is an area of the display module 1 other than the display area 21. The shape of the display area 21 and the non-display area 22 is not limited in the present embodiment. In actual production, the display area 21 and the non-display area 22 may be integrally formed on the display module 1, but for easy understanding, the display area 21 and the non-display area 22 are named differently.
As shown in fig. 13, since the conductive layer 20 is located in the display region 21, the conductive member 16 is located in the non-display region 22. In the display region 21, at least some of the pixel layer 11, the photoelectric conversion layer 12, the liquid crystal layer 14, and the thin film transistor layer 15 are usually disposed, and the number of the portions disposed in the non-display region 22 is smaller than that in the display region 21. Therefore, the conductive layer 20 and the conductive member 16 are arranged in different regions, so that the conductive member 16 can be reduced in arrangement and cost under the action of ensuring that the conductive layer 20 and the conductive member 16 are matched to transmit electric signals; the conductive device 16 can be disposed in the non-display area 22 which is easier to process than the display area 21, thereby reducing the difficulty of processing and installation.
Referring to fig. 14 to 15, fig. 14 is a schematic perspective view of an electronic device according to an embodiment of the present application. Fig. 15 is a schematic structural diagram of an electronic device according to an embodiment of the present application. The application further provides an electronic device 4, which comprises a housing 41, a power supply 42, a processor 43 and the display module 1 provided by the application, wherein the housing 41 has an accommodating space, the display module 1 is installed on the housing 41, the power supply 42 and the processor 43 are arranged in the accommodating space, and the processor 43 is electrically connected with the power supply 42 and the display module 1.
The electronic device 4 provided in this embodiment includes a housing 41, and the housing 41 is generally used to fix, support, or protect other components of the electronic device 4, and even the provision of the housing 41 can improve appearance performance. In the present embodiment, the material and shape of the housing 41 are not limited, and the housing 41 only needs to have a housing space. The display module 1 is mounted on the housing 41. Optionally, at least a portion of the display module 1 protrudes from the housing 41.
The electronic device 4 provided in this embodiment further includes a power supply 42, where the power supply 42 can store electric energy, and can also transmit electric signals to the display module 1, the processor 43, or other components in the electronic device 4, that is, supply electric energy. In the present embodiment, the material and shape of the power source 42 are not limited, and the power source 42 may store or supply electric energy.
The electronic device 4 provided in the present embodiment further includes a processor 43, and the processor 43 is generally used to acquire information, execute instructions, control operations of other components, and the like. The information acquired by the processor 43 may be the intensity of the electrical signal of the photoelectric converter, the brightness value of the ambient light, the brightness value preset by the display module 1, the intensity of the electrical signal required by the display module 1, and the like. Alternatively, the processor 43 may be a charge management chip. Further alternatively, the processor 43 can also perform voltage stabilization and current stabilization processing on the electrical signals. The operation of the processor 43 will be described in detail below.
As shown in fig. 15, the electronic device 4 according to the present embodiment can integrate the photoelectric conversion layer 12 in the display module 1 by using the display module 1 provided in the present application, thereby simplifying the structure of the display module 1 and improving the functional versatility of the display module 1. And partial electric energy can be converted and formed by the photoelectric conversion layer 12 and supplied to the light-emitting module 3 in the display module 1 or the power supply 42 in the electronic device 4 and other parts which store or need to use the electric energy for supplying extra electric energy, so that the electric energy consumption of the power supply 42 in the electronic device 4 is reduced, and the cruising ability of the electronic device 4 is improved.
In addition, by arranging the processor 43 to cooperate with the display module 1, the processor 43 can automatically acquire information and process the electric energy acquired by the photoelectric conversion layer 12 so as to supply the electric energy to the light-emitting module 3 or the power supply 42 in the display module 1, thereby improving the working efficiency of the electronic device 4.
Optionally, please refer to fig. 16, where fig. 16 is a schematic structural diagram of an electronic device with a housing removed according to another embodiment of the present application. The electronic device 4 further includes a Flexible Circuit board 44 (FPC) 34 electrically connecting the thin-film-transistor layer 15 and the processor 43. Further optionally, the electronic device 4 further comprises a conductive line 45, and the conductive line 45 electrically connects the flexible circuit board 44 and the thin-film transistor layer 15. Still further alternatively, the conductive line 45 is provided in the non-display region 22. Conductive wire 45 includes tin oxide. After the electrical signal is transmitted to the thin-film transistor layer 15 through the conductive member 16, the thin-film transistor layer 15 transmits the electrical signal to the flexible circuit board 44 through the conductive wire 45, and after the information is obtained by the processor 43 and is determined, the electrical signal is transmitted to the display module or other components such as the power supply 42 from the flexible circuit board 44, so that the power consumption of the power supply 42 in the electronic device 4 is reduced, and the cruising ability of the electronic device 4 is improved. For example, when the processor 43 is a charge management chip, the charge management chip can obtain the strength of the electrical signal on the flexible circuit board 44, and combine other information; and then the electric signal is output to the power supply 42 or the light-emitting module 3 in the display module 1 through the board-to-board interface part by the charge management chip, so that the light energy is converted into the electric energy to charge the power supply 42 or the light-emitting module 3 in the display module 1 to improve the brightness of the display screen 2.
Alternatively, in an embodiment, the electronic device 4 provided in this embodiment may perform control output by replacing the light-shielding layer 13 provided in the pixel layer 11 with the photoelectric conversion layer 12 and transmitting power to the processor 43 in cooperation with the conductive layer 20. And, the processor 43 can transmit the corresponding electrical signal, i.e. the potential energy, to the light emitting module 3 in the display module 1 according to the brightness value of the external ambient light to improve the brightness of the display screen 2, and transmit the redundant electrical signal, i.e. the potential energy, to the power supply 42 to be charged reversely, thereby realizing the function of the solar screen with ultra-low power consumption.
In addition to the display module 1 and the electronic device 4 provided above, the present application also provides a power supply method. The display module 1 and the power supply method provided by the embodiment of the application can be used together or independently and separately. For example, as an embodiment, the power supply method provided below may be used to distribute the electric signals, i.e., the electric power, obtained by the photoelectric conversion layer 12 in the above-mentioned display module 1.
Referring to fig. 17, fig. 17 is a power supply flow chart of a power supply method according to an embodiment of the present application. The present embodiment provides a power supply method, including S100, S200, S300, and S400. The details of S100, S200, S300, and S400 are as follows.
And S100, acquiring the intensity of the electric signal converted by the optical signal.
The electrical signal converted from the optical signal, that is, the optical signal is converted into an electrical signal by the photoelectric conversion layer 12, that is, the optical energy is converted into electrical energy. The intensity of the electric signal converted from the optical signal, that is, the obtained electric quantity converted from the photoelectric conversion is obtained. By obtaining the intensity of the electrical signal converted by the optical signal, i.e. the electric quantity converted from the optical energy to the electric energy, a basis is provided for subsequently transmitting the additional electric energy to the light emitting module 3 in the display module 1.
S200, acquiring the brightness value of the environment light.
The brightness value of the display module 1 can be adjusted according to a plurality of parameters, such as the brightness value of the ambient light, the requirement of the user, and the like. Through the luminance value that acquires the ambient light, the luminance value of comparable ambient light and the luminance value of predetermineeing in the display module assembly 1 to judge whether the luminance value of display screen 2 needs to improve in the display module assembly 1, thereby judge whether need be with the optical module 3 that sends out in electrical signal transmission to the display module assembly 1.
And S300, when the brightness value of the environment light is larger than a preset brightness value, acquiring the intensity of the electric signal required by the display screen 2.
When the luminance value of ambient light is not more than the luminance value of predetermineeing, when the luminance of display screen 2 self made the user clearly read the display content of display screen 2 promptly, need not to heighten luminance, need not to transmit the signal of telecommunication to the luminous module 3 in the display module assembly 1 promptly, need not to supply with the electric energy promptly and give luminous module 3 in the display module assembly 1. When the brightness value of the ambient light is greater than the preset brightness value, that is, the brightness of the display screen 2 itself is not enough to enable the user to clearly read the display content of the display screen 2, the brightness needs to be increased, that is, at least part of the electric signals need to be transmitted to the light-emitting module 3 in the display module 1, that is, at least part of the electric energy is supplied to the light-emitting module 3 in the display module 1.
If the brightness value of the ambient light is greater than the preset brightness value, that is, the brightness of the display screen 2 needs to be improved at this time, the intensity of the electrical signal required by the display screen 2, that is, the electrical quantity required by the display screen 2 to improve the brightness, is obtained again, and the obtained intensity of the electrical signal is compared with the intensity of the electrical signal required by the display screen 2, so that whether the obtained intensity of the electrical signal meets the intensity of the electrical signal required by the display screen 2 or not is judged, that is, whether the photoelectrically converted electrical quantity can meet the electrical quantity required by the display screen 2 to improve the brightness or not is judged.
S400, when the intensity of the electric signal is larger than that of the electric signal required by the display screen 2, transmitting part of the electric signal to the light-emitting module 3, and simultaneously transmitting the rest of the electric signal to the power supply 42.
When the intensity of the electrical signal is greater than the intensity of the electrical signal required by the display screen 2, that is, the intensity of the electrical signal can not only meet the intensity of the electrical signal required by the display screen 2, but also have the remaining electrical signals. It can also be understood that the amount of electricity generated by the photoelectric conversion not only satisfies the amount of electricity required by the display screen 2 to increase the brightness, but also the remaining amount of electricity is ready for use. At this time, part of the electrical signals are transmitted to the light emitting module 3 in the display module 1 to increase the brightness of the display screen 2 to reach a preset brightness value, and the rest of the electrical signals are transmitted to the power source 42 to store the rest of the electrical signals, i.e., the electrical energy.
In summary, the power supply method provided in the present embodiment can directly transmit at least a portion of the electrical signal to the light emitting module 3 in the display module 1 for the display screen 2 to increase the brightness, and simultaneously directly transmit the remaining electrical signal to the power source 42 for use. Compared with the related art, the power supply method provided by the embodiment does not need to transmit the electric signal, i.e., the electric energy, to the power supply 42 and then transmit the electric signal from the power supply 42 to the light-emitting module 3 in the display module 1, so that the power supply method provided by the embodiment can improve the power supply efficiency.
Referring to fig. 18, fig. 18 is a power supply flow chart included in S300 in fig. 17, and further includes S310 and S320. The details of S310 and S320 are as follows.
After S300 "when the brightness value of the ambient light is greater than the preset brightness value, acquiring the intensity of the electrical signal required by the display screen 2", the method further includes:
and S310, when the intensity of the electric signal is smaller than that of the electric signal required by the display screen 2, transmitting all the electric signals to the light-emitting module 3.
When the intensity of the electrical signal is less than the intensity of the electrical signal required by the display screen 2, i.e., the intensity of the electrical signal is not sufficient to satisfy the intensity of the electrical signal required by the display screen 2. It can also be understood that the amount of power for the photoelectric conversion is not sufficient to satisfy the amount of power required for the display screen 2 to increase the brightness. At this time, all the electrical signals are transmitted to the light emitting modules 3 in the display module 1 to increase the brightness of the display screen 2.
And S320, acquiring partial electric signals in the power supply 42 and transmitting the electric signals to the light-emitting module 3.
Because the electric quantity of the photoelectric conversion is not enough to satisfy the electric quantity required by the display screen 2 to improve the brightness, a part of electric signals need to be obtained from the power supply 42 and transmitted to the light-emitting module 3 in the display module 1, so that the brightness of the display screen 2 is improved to reach a preset brightness value.
In summary, the power supply method provided in the present embodiment does not need to transmit the electrical signal, i.e., the electrical energy, to the power source 42, and then transmit the electrical signal from the power source 42 to the light emitting module 3 in the display module 1, and the power supply method of the present embodiment can directly transmit all the photoelectrically converted electrical signals to the light emitting module 3 in the display module 1 when the photoelectrically converted electrical quantity does not meet the electrical quantity required by the display screen 2 to improve the brightness, and simultaneously directly transmit the insufficient electrical signal from the power source 42, so as to improve the brightness of the display screen 2 to reach the preset brightness value, so the power supply method provided in the present embodiment can improve the power supply efficiency.
Optionally, after "when the brightness value of the ambient light is greater than the preset brightness value, acquiring the intensity of the electrical signal required by the display screen 2", the method further includes:
and when the intensity of the electric signal is equal to that of the electric signal required by the display screen 2, transmitting all the electric signals to the light-emitting module 3.
When the intensity of the electrical signal is equal to the intensity of the electrical signal required by the display screen 2, that is, the intensity of the electrical signal just satisfies the intensity of the electrical signal required by the display screen 2. It can also be understood that the amount of electricity of the photoelectric conversion just meets the amount of electricity required by the display screen 2 to increase the brightness. At this time, all the electric signals are transmitted to the light emitting module 3 in the display module 1 to increase the brightness of the display screen 2 to reach a preset brightness value.
In summary, the power supply method provided in the embodiment does not need to transmit the electrical signal, i.e., the electrical energy, to the power source 42, and then transmit the electrical signal from the power source 42 to the light-emitting module 3 in the display module 1, and the power supply method of the embodiment can directly transmit all the photoelectrically converted electrical signals to the light-emitting module 3 in the display module 1 when the photoelectrically converted electrical quantity just meets the electrical quantity required by the brightness enhancement of the display screen 2, so that the brightness of the display screen 2 is enhanced to reach the preset brightness value, and therefore, the power supply method provided in the embodiment can enhance the power supply efficiency.
Optionally, in an embodiment, when the user uses the display module 1 and the power supply method provided by the present application in the outdoor sunlight, the photoelectric conversion layer 12 of the display module 1 receives external light, i.e., a light signal of solar energy, and converts the light energy into an electrical signal through photoelectric conversion, i.e., converts the light energy into electrical potential energy through the photoelectric PN junction portion. The resulting potential energy is coupled to conductive layer 20 and transmits an electrical signal through conductive member 16, such as conductive money, to thin-film-transistor layer 15. The thin film transistor layer 15 transmits the electrical signal to the flexible circuit board 44, the processor 43 is electrically connected to the flexible circuit board 44, and then the processor 43 can perform voltage and current stabilization and other processing on the electrical signal. The brightness value of the ambient light is then available to the processor 43. The brightness value of the ambient light can be captured by the light sensor and then transmitted to the processor 43. The photoelectric converted electric signal is output and adjusted according to the brightness value of the ambient light, the electric signal, namely the electric potential, can be transmitted to a component in the display module 1, such as a backlight driving chip, and the output current of the driving chip is increased to improve the brightness of the display module 1; meanwhile, the redundant electric signals, namely the potential energy part, can be reversely charged to the power supply 42, so that the low-power-consumption display function of the sun screen is finally realized, the visibility of the user in the sun is improved, the power consumption of the power supply 42 in the electronic equipment 4 is reduced, and the cruising ability of the electronic equipment 4 is improved.
The foregoing detailed description has provided for the embodiments of the present application, and the principles and embodiments of the present application have been presented herein for purposes of illustration and description only and to facilitate understanding of the methods and their core concepts; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (11)

1. A display module is characterized by comprising a display screen and a light-emitting module, wherein the light-emitting module is used for providing a light source for the display screen, the display screen comprises a substrate, a pixel layer and a photoelectric conversion layer, the pixel layer and the photoelectric conversion layer are arranged on the same layer on one side of the substrate, the pixel layer comprises a plurality of pixels arranged at intervals, and at least part of the photoelectric conversion layer is arranged between two adjacent pixels; the photoelectric conversion layer has light-shielding property, light can pass through the substrate to the photoelectric conversion layer and be converted into an electric signal, and at least part of the electric signal is transmitted to the light-emitting module by the photoelectric conversion layer.
2. The display module as claimed in claim 1, wherein the photoelectric conversion layer extends into two adjacent pixels at two opposite sides near the two adjacent pixels.
3. The display module as claimed in claim 1, wherein the photoelectric conversion layer has a first surface facing away from the substrate and a second surface connected to the first surface in a bent manner, and the display module further comprises a light-shielding layer disposed on at least one of the first surface and the second surface.
4. The display module of claim 1, wherein the display module further comprises a liquid crystal layer, a thin film transistor layer, and at least one conductive member, the liquid crystal layer is disposed on a side of the pixel layer away from the substrate, the thin film transistor layer is disposed on a side of the liquid crystal layer away from the substrate, one end of the at least one conductive member is electrically connected to the photoelectric conversion layer, and the other end of the at least one conductive member is electrically connected to the thin film transistor layer.
5. The display module as claimed in claim 4, wherein the display module further comprises a conductive layer disposed on the same layer as the pixel layer, the conductive layer is disposed on a side of the liquid crystal layer adjacent to the substrate, the conductive layer is electrically connected to the photoelectric conversion layer, and the one end of the conductive member is electrically connected to the conductive layer.
6. The display module of claim 5, wherein the conductive layer is disposed on at least one of a side of the photoelectric conversion layer close to the substrate and a side of the photoelectric conversion layer away from the substrate.
7. The display module as claimed in claim 5, wherein an orthographic projection of the photoelectric conversion layer on the substrate covers an orthographic projection of the conductive layer on the substrate.
8. The display module of claim 5, wherein the display module has a display area and a non-display area, the non-display area is disposed on at least a portion of a periphery of the display area, the conductive layer is disposed in the display area, and the conductive member is disposed in the non-display area.
9. An electronic device, comprising a housing, a power supply, a processor, and the display module according to any one of claims 1 to 8, wherein the housing has an accommodating space, the display module is mounted in the housing, the power supply and the processor are disposed in the accommodating space, and the processor is electrically connected to the power supply and the display module.
10. A method of supplying power, comprising:
acquiring intensity of an electrical signal converted from an optical signal;
acquiring a brightness value of ambient light;
when the brightness value of the environment light is larger than a preset brightness value, acquiring the intensity of an electric signal required by a display screen;
and when the intensity of the electric signal is greater than that of the electric signal required by the display screen, transmitting part of the electric signal to the light-emitting module, and simultaneously transmitting the rest of the electric signal to the power supply.
11. The power supply method according to claim 10, further comprising, after "acquiring the intensity of the electric signal required for the display screen when the brightness value of the ambient light is greater than a preset brightness value":
when the intensity of the electric signal is smaller than that of the electric signal required by the display screen, transmitting all the electric signals to the light-emitting module;
and acquiring partial electric signals in the power supply and transmitting the partial electric signals to the light-emitting module.
CN202111618522.4A 2021-12-25 2021-12-25 Display module, electronic equipment and power supply method Pending CN114280837A (en)

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