CN114420060A - MiniLED backlight display device and method - Google Patents
MiniLED backlight display device and method Download PDFInfo
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- CN114420060A CN114420060A CN202210064558.0A CN202210064558A CN114420060A CN 114420060 A CN114420060 A CN 114420060A CN 202210064558 A CN202210064558 A CN 202210064558A CN 114420060 A CN114420060 A CN 114420060A
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- 238000000034 method Methods 0.000 title claims description 36
- 238000004146 energy storage Methods 0.000 claims abstract description 40
- 230000015654 memory Effects 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The application aims at providing a MiniLED backlight display scheme. Specifically, the MiniLED backlight display device comprises an electric energy storage device, a MiniLED light-emitting device, a control device, an x-direction power supply circuit and a y-direction power supply circuit; after each electric energy storage device is connected with the corresponding MiniLED light-emitting device in parallel, one end of each electric energy storage device is connected with one x-direction power supply circuit, and the other end of each electric energy storage device is connected with one y-direction power supply circuit; each of the x-direction power supply circuits and each of the y-direction power supply circuits are connected to the control device. This application passes through control device realizes x to the control of power supply circuit that power supply circuit and y constitute to power supply circuit to under the condition that corresponds the power supply circuit disconnection, utilize the electric energy storage device for the power supply of the MiniLED luminescent device who corresponds, thereby reduced effectively MiniLED display device's consumption is shaded, makes the equipment of installing this MiniLED display device that is shaded have stronger duration.
Description
Technical Field
The application relates to the technical field of information, in particular to a MiniLED backlight display technology.
Background
In recent years, the Mini LED backlight technology has been gradually developed and applied to electronic products. By utilizing the Mini LED backlight technology, more LEDs can be integrated on the same plane to form a surface light source to form the light emitting surface of the backlight module. In the existing Mini LED backlight scheme, as shown in fig. 1, a Mini LED light emitting device 12 is connected to a circuit in a series-parallel manner, and a power supply interface 11 and a power supply interface 13 are connected through a power supply, so that the device 12 is continuously and uninterruptedly supplied with power and emits light to form a backlight source with fixed brightness, thereby meeting the display requirements. However, the brightness of each LED in this scheme is fixed and constant current needs to be supplied to the device 12, resulting in higher power consumption of the MiniLED backlight display device.
Disclosure of Invention
An object of the present application is to provide a MiniLED backlight display device and method.
According to an aspect of the present application, there is provided a MiniLED backlight display device, wherein the device includes:
the device comprises an electric energy storage device, a MiniLED light-emitting device, a control device, an x-direction power supply circuit and a y-direction power supply circuit;
after each electric energy storage device is connected with the corresponding MiniLED light-emitting device in parallel, one end of each electric energy storage device is connected with one x-direction power supply circuit, and the other end of each electric energy storage device is connected with one y-direction power supply circuit;
each of the x-direction power supply circuits and each of the y-direction power supply circuits are connected to the control device.
Further, the lighting process of the MiniLED light emitting device includes: the control device supplies power to the y-direction first power supply circuit, the x-direction first power supply circuit is switched on, the x-direction first power supply circuit and the y-direction first power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected with the MiniLED light-emitting device in parallel is charged; the control device is used for disconnecting the x-direction first power supply circuit and supplying power to the x-direction second power supply circuit, so that the x-direction second power supply circuit and the y-direction first power supply circuit form a path, a MiniLED light-emitting device connected to the path works to emit light, and an electric energy storage device connected in parallel with the MiniLED light-emitting device is charged; and the control device supplies power to the x-to-nth power supply circuit and the y-to-mth power supply circuit, so that the x-to-nth power supply circuit and the y-to-mth power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected in parallel with the MiniLED light-emitting device is charged.
Further, the lighting process of the MiniLED light emitting device further includes: when the connected MiniLED light-emitting device works and emits light to reach the target brightness on a path formed by the x-to-n (1) th power supply circuit and the y-to-m power supply circuit, the x-to-n (1) th power supply circuit is disconnected through the control device, and power is supplied to the x-to-n power supply circuit.
Further, when the picture required to be displayed by the device changes, the lighting process of the MiniLED light-emitting device is repeated.
Further, the MiniLED light emitting device is a light emitting device composed of one MiniLED, or a light emitting device composed of a plurality of minileds connected in series and parallel.
Further, the electric energy storage device and the MiniLED light-emitting device are located in a surface light source region, and the control device is located outside the surface light source region.
According to another aspect of the present application, there is also provided a MiniLED backlight display method, wherein the method includes:
the control device supplies power to the y-direction first power supply circuit, the x-direction first power supply circuit is switched on, the x-direction first power supply circuit and the y-direction first power supply circuit form a passage, a MiniLED light-emitting device connected to the passage works to emit light, and an electric energy storage device connected with the MiniLED light-emitting device in parallel is charged;
and the control device supplies power to the x-to-nth power supply circuit and the y-to-mth power supply circuit, so that the x-to-nth power supply circuit and the y-to-mth power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected in parallel with the MiniLED light-emitting device is charged.
Further, the method further comprises: when the connected MiniLED light-emitting device works and emits light to reach the target brightness on a path formed by the x-to-n (1) th power supply circuit and the y-to-m power supply circuit, the x-to-n (1) th power supply circuit is disconnected through the control device, and power is supplied to the x-to-n power supply circuit.
According to yet another aspect of the application, there is also provided a computing device, wherein the device comprises a memory for storing computer program instructions and a processor for executing the computer program instructions, wherein the computer program instructions, when executed by the processor, trigger the device to perform the MiniLED backlight display method.
According to yet another aspect of the present application, there is also provided a computer readable medium having stored thereon computer program instructions executable by a processor to implement the MiniLED backlight display method.
In the scheme provided by the application, the MiniLED backlight display device comprises an electric energy storage device, a MiniLED light-emitting device, a control device, an x-direction power supply circuit and a y-direction power supply circuit; after each electric energy storage device is connected with the corresponding MiniLED light-emitting device in parallel, one end of each electric energy storage device is connected with one x-direction power supply circuit, and the other end of each electric energy storage device is connected with one y-direction power supply circuit; each of the x-direction power supply circuits and each of the y-direction power supply circuits are connected to the control device. This application passes through control device realizes x to the control of power supply circuit that power supply circuit and y constitute to power supply circuit to under the condition that corresponds the power supply circuit disconnection, utilize the electric energy storage device for the power supply of the MiniLED luminescent device who corresponds, thereby reduced effectively MiniLED display device's consumption is shaded, makes the equipment of installing this MiniLED display device that is shaded have stronger duration.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a MiniLED backlight display device in the prior art;
fig. 2 is a schematic structural diagram of a MiniLED backlight display device according to an embodiment of the present application;
fig. 3 is a flowchart of the operation of a MiniLED backlight display device according to an embodiment of the present application;
fig. 4 is a flowchart of a MiniLED backlight display method according to an embodiment of the present disclosure.
The same or similar reference numbers in the drawings identify the same or similar elements.
Detailed Description
The present application is described in further detail below with reference to the attached figures.
In a typical configuration of the present application, the terminal, the device serving the network, and the trusted party each include one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, which include both non-transitory and non-transitory, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, program means, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device.
The embodiment of the application provides a MiniLED backlight display method, which effectively reduces the power consumption of the MiniLED backlight display device and enables equipment provided with the MiniLED backlight display device to have stronger cruising ability.
In a practical scenario, the device implementing the method may be a user equipment, a network device, or a device formed by integrating the user equipment and the network device through a network. The user device includes, but is not limited to, a terminal device such as a smartphone, a tablet computer, a personal computer, and the like, and the network device includes, but is not limited to, a network host, a single network server, a plurality of network server sets, or a cloud computing-based computer set. Here, the Cloud is made up of a large number of hosts or web servers based on Cloud Computing (Cloud Computing), which is a type of distributed Computing, one virtual computer consisting of a collection of loosely coupled computers.
Fig. 2 is a schematic structural diagram of a MiniLED backlight display device according to an embodiment of the present application, the device includes a power storage device 21, a MiniLED lighting device 22, a control device 23, an x-direction power supply circuit (x1, x2, x3) and a y-direction power supply circuit (y1, y2, y 3); after each electric energy storage device 21 is connected in parallel with the corresponding MiniLED light-emitting device 22, one end of each electric energy storage device is connected to one x-direction power supply circuit, and the other end of each electric energy storage device is connected to one y-direction power supply circuit; each of the x-direction power supply circuits and each of the y-direction power supply circuits are connected to the control device 23.
For example, the power storage device 21 is a repeatedly chargeable and dischargeable power storage device; as shown in fig. 2, x1, x2, x3, y1, y2 and y3 may constitute multiple sets of power supply lines (e.g., y1-x1 path, y1-x2 path, y1-x3 path, y2-x1 path, y2-x2 path, y2-x3 path, y3-x1 path, y3-x2 path, y3-x3 path), and are connected to the control device 23, and these independent paths can independently control the display areas of the respective jurisdiction; the brightness adjustment of each MiniLED lighting device 22 is controlled by said control device 23. In an actual scene, according to the bright and dark effect of the display picture, the control device 23 can reduce the brightness of one or more MiniLED light-emitting devices 22, so as to achieve the effect of reducing power consumption. In the display picture of the MiniLED backlight display device, if the area a needs to display a brighter color, the MiniLED light-emitting device 22 at the position corresponding to the area a can be controlled by the control device 23 to emit light normally to meet the display brightness requirement; if the area b in the display frame needs to display a darker color or black, the brightness of the MiniLED lighting device 22 at the corresponding position of the area b can be reduced or turned off by the control device 23, which not only satisfies the display effect, but also reduces the power consumption of the device.
It should be noted that the x-direction power supply circuits x1, x2, x3, and y-direction power supply circuits y1, y2, and y3 shown in fig. 2 are only examples, the number of the x-direction power supply circuits and the y-direction power supply circuits is not limited to 3, the number of the x-direction power supply circuits and the y-direction power supply circuits may be any, and the number of the x-direction power supply circuits is not necessarily equal to the number of the y-direction power supply circuits.
In some embodiments, the MiniLED lighting device 22 is a lighting device consisting of one MiniLED, or a lighting device consisting of a plurality of minileds connected in series and parallel.
In some embodiments, as shown in fig. 2, the power storage device 21 and the MiniLED lighting device 22 are located in a surface light source region 24, and the control device 23 is located outside the surface light source region 24.
In some embodiments, the lighting process of the MiniLED light emitting device includes: the control device supplies power to the y-direction first power supply circuit, the x-direction first power supply circuit is switched on, the x-direction first power supply circuit and the y-direction first power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected with the MiniLED light-emitting device in parallel is charged; the control device is used for disconnecting the x-direction first power supply circuit and supplying power to the x-direction second power supply circuit, so that the x-direction second power supply circuit and the y-direction first power supply circuit form a path, a MiniLED light-emitting device connected to the path works to emit light, and an electric energy storage device connected in parallel with the MiniLED light-emitting device is charged; and the control device supplies power to the x-to-nth power supply circuit and the y-to-mth power supply circuit, so that the x-to-nth power supply circuit and the y-to-mth power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected in parallel with the MiniLED light-emitting device is charged.
For example, as shown in fig. 2, the x-direction power supply circuits x1, x2, x3 and the y-direction power supply circuits y1, y2 and y3 are independent lines, and the power storage device 21 and the MiniLED lighting device 22 are connected between each line in the manner shown in fig. 2. As shown in fig. 3, when the MiniLED backlight display device operates, power is supplied to the line y1 first, and then the line x1 is turned on; when the line x1 is switched on, a current path is formed with the line y1, the MiniLED light-emitting device 22 connected to the y1-x1 path works, meanwhile, the power storage device 21 on the path is charged, and when the MiniLED light-emitting device 22 on the path reaches the target brightness, the line x1 is switched off, and the line x2 is switched on; when the line x1 is disconnected, the power storage device 21 on the original y1-x1 path continues to supply power to the MiniLED lighting device 22 on the original y1-x1 path to keep the brightness of the MiniLED lighting device. When the line x2 is connected, a current path is formed with the line y1, the MiniLED light-emitting device 22 connected to the y1-x2 path starts to work, and simultaneously the power storage device 21 on the path is charged, and when the MiniLED light-emitting device 22 on the path reaches the target brightness, the line x2 is disconnected, and the line x3 is connected; when the line x2 is disconnected, the power storage device 21 on the original y1-x2 path continues to supply power to the MiniLED lighting device 22 on the original y1-x2 path to keep the brightness of the MiniLED lighting device. As shown in fig. 2 and 3, according to the lighting sequence of the MiniLED light emitting devices, when the last lines x3 and y3 in fig. 2 are turned on to form a current path, all the MiniLED light emitting devices 22 in fig. 2 are all lit to form a stable backlight.
In some embodiments, the lighting process of the MiniLED lighting device further includes: when the connected MiniLED light-emitting device works and emits light to reach the target brightness on a path formed by the x-to-n (1) th power supply circuit and the y-to-m power supply circuit, the x-to-n (1) th power supply circuit is disconnected through the control device, and power is supplied to the x-to-n power supply circuit.
In some embodiments, when the picture to be displayed by the device changes, the lighting process of the MiniLED light-emitting devices is repeated, so that the brightness switching frequency of the backlight is consistent with the frame rate of the displayed picture.
Fig. 4 is a flowchart of a MiniLED backlight display method according to an embodiment of the present application, where the method includes step S401 and step S402.
Step S401, a control device supplies power to a y-direction first power supply circuit, when the x-direction first power supply circuit is switched on, the x-direction first power supply circuit and the y-direction first power supply circuit form a passage, a MiniLED light-emitting device connected to the passage works to emit light, and an electric energy storage device connected in parallel with the MiniLED light-emitting device is charged; step S402, the control device supplies power to the nth power supply circuit from x and the mth power supply circuit from y, so that the nth power supply circuit from x and the mth power supply circuit from y form a path, the MiniLED light-emitting device connected to the path works to emit light, and the electric energy storage device connected in parallel with the MiniLED light-emitting device is charged.
For example, as shown in fig. 2, after each power storage device 21 is connected in parallel with the corresponding MiniLED lighting device 22, one end of each power storage device is connected to an x-direction power supply circuit, and the other end of each power storage device is connected to a y-direction power supply circuit; each x-direction supply circuit and each y-direction supply circuit is connected to the control device 23. The electric energy storage device 21 is an electric energy storage device that can be repeatedly charged and discharged; as shown in fig. 2, x1, x2, x3, y1, y2 and y3 may constitute multiple sets of power supply lines (e.g., y1-x1 path, y1-x2 path, y1-x3 path, y2-x1 path, y2-x2 path, y2-x3 path, y3-x1 path, y3-x2 path, y3-x3 path), and are connected to the control device 23, and these independent paths can independently control the display areas of the respective jurisdiction; the brightness adjustment of each MiniLED lighting device 22 is controlled by said control device 23. In an actual scene, according to the bright and dark effect of the display picture, the control device 23 can reduce the brightness of one or more MiniLED light-emitting devices 22, so as to achieve the effect of reducing power consumption. In the display picture of the MiniLED backlight display device, if the area a needs to display a brighter color, the MiniLED light-emitting device 22 at the position corresponding to the area a can be controlled by the control device 23 to emit light normally to meet the display brightness requirement; if the area b in the display frame needs to display a darker color or black, the brightness of the MiniLED lighting device 22 at the corresponding position of the area b can be reduced or turned off by the control device 23, which not only satisfies the display effect, but also reduces the power consumption of the device.
As shown in fig. 2, the x-direction power supply circuits x1, x2, x3 and the y-direction power supply circuits y1, y2 and y3 are independent lines, and the power storage device 21 and the MiniLED lighting device 22 are connected between the lines in the manner shown in fig. 2. As shown in fig. 3, when the MiniLED backlight display device operates, power is supplied to the line y1 first, and then the line x1 is turned on; when the line x1 is switched on, a current path is formed with the line y1, the MiniLED light-emitting device 22 connected to the y1-x1 path works, meanwhile, the power storage device 21 on the path is charged, and when the MiniLED light-emitting device 22 on the path reaches the target brightness, the line x1 is switched off, and the line x2 is switched on; when the line x1 is disconnected, the power storage device 21 on the original y1-x1 path continues to supply power to the MiniLED lighting device 22 on the original y1-x1 path to keep the brightness of the MiniLED lighting device. When the line x2 is connected, a current path is formed with the line y1, the MiniLED light-emitting device 22 connected to the y1-x2 path starts to work, and simultaneously the power storage device 21 on the path is charged, and when the MiniLED light-emitting device 22 on the path reaches the target brightness, the line x2 is disconnected, and the line x3 is connected; when the line x2 is disconnected, the power storage device 21 on the original y1-x2 path continues to supply power to the MiniLED lighting device 22 on the original y1-x2 path to keep the brightness of the MiniLED lighting device. As shown in fig. 2 and 3, according to the lighting sequence of the MiniLED light emitting devices, when the last lines x3 and y3 in fig. 2 are turned on to form a current path, all the MiniLED light emitting devices 22 in fig. 2 are all lit to form a stable backlight.
In some embodiments, the MiniLED backlight display method further includes that when a path formed by the x-to-n-1 power supply circuit and the y-to-m power supply circuit is connected, and the connected MiniLED light-emitting device works to emit light to reach the target brightness, the control device disconnects the x-to-n-1 power supply circuit to supply power to the x-to-n power supply circuit.
In some embodiments, when the picture to be displayed by the device changes, the lighting process of the MiniLED light-emitting devices is repeated, so that the brightness switching frequency of the backlight is consistent with the frame rate of the displayed picture.
In summary, the embodiment of the present application realizes the differentiated control of the LED brightness by adding the electric energy storage device and the control device, thereby achieving the effect of reducing the power consumption.
In addition, some of the present application may be implemented as a computer program product, such as computer program instructions, which when executed by a computer, may invoke or provide methods and/or techniques in accordance with the present application through the operation of the computer. Program instructions which invoke the methods of the present application may be stored on a fixed or removable recording medium and/or transmitted via a data stream on a broadcast or other signal-bearing medium and/or stored within a working memory of a computer device operating in accordance with the program instructions. Herein, some embodiments of the present application provide a computing device comprising a memory for storing computer program instructions and a processor for executing the computer program instructions, wherein the computer program instructions, when executed by the processor, trigger the device to perform the methods and/or aspects of the embodiments of the present application as described above.
Furthermore, some embodiments of the present application also provide a computer readable medium, on which computer program instructions are stored, the computer readable instructions being executable by a processor to implement the methods and/or aspects of the foregoing embodiments of the present application.
It should be noted that the present application may be implemented in software and/or a combination of software and hardware, for example, implemented using Application Specific Integrated Circuits (ASICs), general purpose computers or any other similar hardware devices. In some embodiments, the software programs of the present application may be executed by a processor to implement the steps or functions described above. Likewise, the software programs (including associated data structures) of the present application may be stored in a computer readable recording medium, such as RAM memory, magnetic or optical drive or diskette and the like. Additionally, some of the steps or functions of the present application may be implemented in hardware, for example, as circuitry that cooperates with the processor to perform various steps or functions.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (10)
1. A MiniLED backlight display device, wherein the device comprises:
the device comprises an electric energy storage device, a MiniLED light-emitting device, a control device, an x-direction power supply circuit and a y-direction power supply circuit;
after each electric energy storage device is connected with the corresponding MiniLED light-emitting device in parallel, one end of each electric energy storage device is connected with one x-direction power supply circuit, and the other end of each electric energy storage device is connected with one y-direction power supply circuit;
each of the x-direction power supply circuits and each of the y-direction power supply circuits are connected to the control device.
2. The apparatus of claim 1, wherein the lighting process of the MiniLED lighting device comprises:
the control device supplies power to the y-direction first power supply circuit, the x-direction first power supply circuit is switched on, the x-direction first power supply circuit and the y-direction first power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected with the MiniLED light-emitting device in parallel is charged;
the control device is used for disconnecting the x-direction first power supply circuit and supplying power to the x-direction second power supply circuit, so that the x-direction second power supply circuit and the y-direction first power supply circuit form a path, a MiniLED light-emitting device connected to the path works to emit light, and an electric energy storage device connected in parallel with the MiniLED light-emitting device is charged;
and the control device supplies power to the x-to-nth power supply circuit and the y-to-mth power supply circuit, so that the x-to-nth power supply circuit and the y-to-mth power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected in parallel with the MiniLED light-emitting device is charged.
3. The apparatus of claim 2, wherein the lighting process of the MiniLED light further comprises:
when the connected MiniLED light-emitting device works and emits light to reach the target brightness on a path formed by the x-to-n (1) th power supply circuit and the y-to-m power supply circuit, the x-to-n (1) th power supply circuit is disconnected through the control device, and power is supplied to the x-to-n power supply circuit.
4. The apparatus according to claim 2 or 3, wherein the lighting process of the MiniLED light emitting device is repeated when the picture that the apparatus needs to display changes.
5. The apparatus of any one of claims 1 to 4, wherein the MiniLED light emitting device is a light emitting device consisting of one MiniLED, or a light emitting device consisting of a plurality of MiniLED's connected in series and parallel.
6. The apparatus of any one of claims 1 to 5, wherein the power storage device and the MiniLED light emitting device are located in a surface light source region and the control device is located outside the surface light source region.
7. A MiniLED backlight display method, wherein the method comprises the following steps:
the control device supplies power to the y-direction first power supply circuit, the x-direction first power supply circuit is switched on, the x-direction first power supply circuit and the y-direction first power supply circuit form a passage, a MiniLED light-emitting device connected to the passage works to emit light, and an electric energy storage device connected with the MiniLED light-emitting device in parallel is charged;
and the control device supplies power to the x-to-nth power supply circuit and the y-to-mth power supply circuit, so that the x-to-nth power supply circuit and the y-to-mth power supply circuit form a passage, the MiniLED light-emitting device connected to the passage works to emit light, and the electric energy storage device connected in parallel with the MiniLED light-emitting device is charged.
8. The method of claim 7, wherein the method further comprises:
when the connected MiniLED light-emitting device works and emits light to reach the target brightness on a path formed by the x-to-n (1) th power supply circuit and the y-to-m power supply circuit, the x-to-n (1) th power supply circuit is disconnected through the control device, and power is supplied to the x-to-n power supply circuit.
9. A computing device, wherein the device comprises a memory for storing computer program instructions and a processor for executing the computer program instructions, wherein the computer program instructions, when executed by the processor, trigger the device to perform the method of claim 7 or 8.
10. A computer readable medium having stored thereon computer program instructions executable by a processor to implement the method of claim 7 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064558.0A CN114420060B (en) | 2022-01-20 | 2022-01-20 | MiniLED backlight display device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064558.0A CN114420060B (en) | 2022-01-20 | 2022-01-20 | MiniLED backlight display device and method |
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