CN110728938A - Display control system and display screen - Google Patents
Display control system and display screen Download PDFInfo
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- CN110728938A CN110728938A CN201911156246.7A CN201911156246A CN110728938A CN 110728938 A CN110728938 A CN 110728938A CN 201911156246 A CN201911156246 A CN 201911156246A CN 110728938 A CN110728938 A CN 110728938A
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention provides a display control system and a display screen, wherein the system comprises: the system comprises a transmitting card, a processing module, a switch module and a display component; the display module comprises at least one of a receiving card, a switching card and a display module, the processing module is respectively connected with the control end and the sending card of the switch module, the first end of the switch module is used for connecting a power supply, and the second end of the switch module is connected with at least one of the receiving card, the switching card and the display module; the sending card is used for sending SDI signals to the processing module; the SDI signal output by the sending card is detected through the processing module to judge whether the display assembly works or not, the processing module is used for controlling the switch module to be in a disconnection state when the SDI signal is detected to be a low level signal, so that at least one of the receiving card, the switching card and the display module is disconnected with the power supply, the power failure caused by user operation is not needed, the standby power consumption of the display screen can be reduced, and the electric energy is saved.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display control system and a display screen.
Background
With the rapid development of LED (Light Emitting Diode) display technology, large-scale integrated circuit and computer technology, LED display screens have become a new display medium and are widely used in various industries.
LED displays are often in a power-off state in some applications, such as: the multimedia display screens of churches and classrooms are capable of wasting electric energy due to long-term lightening of the display screens. At present, current display screen has standby function usually, when the user need not to use the display screen to play the picture, be in standby state with the display screen, although can reduce the power consumption of display screen to a certain extent, however, the standby function of this display screen utilizes the partial driver chip in the display screen to have the energy-conserving efficiency of developments, in standby process, make the inside analog circuit of driver chip all close, keep digital circuit normal work, display module in the display screen, for example, the receiving card, switching card and display module still are in operating condition, there is standby power consumption, thereby lead to the waste of electric energy.
Disclosure of Invention
Therefore, it is necessary to provide a display control system and a display panel to solve the problem of large standby power consumption of the conventional display panel.
A display control system, comprising: the system comprises a transmitting card, a processing module, a switch module and a display component; the display module comprises at least one of a receiving card, a switching card and a display module, the processing module is connected with the control end of the switch module and the sending card respectively, the first end of the switch module is used for connecting a power supply, and the second end of the switch module is connected with at least one of the receiving card, the switching card and the display module; the transmitting card is used for transmitting SDI signals to the processing module; the processing module is used for generating a first control signal when detecting that the SDI signal is a low level signal, and sending the first control signal to the switch module so as to enable the switch module to be in a disconnected state.
In one embodiment, the processing module is configured to generate the first control signal when it is detected that the SDI signal is a low-level signal within the preset time.
In one embodiment, the processing module is configured to generate a second control signal when detecting that a high-level signal exists in the SDI signal within the preset time, and send the second control signal to the switch module, so that the switch module is in a conducting state.
In one embodiment, the display control system further comprises a signal transceiver, and the transmitting card is connected with the processing module through the signal transceiver.
In one embodiment, the switch module is a switch that is turned on at a high level and turned off at a low level, and the first control signal is a low-level signal.
In one embodiment, the display control system further includes a pull-up resistor, and the control terminal of the switch module is configured to be connected to a pull-up power source through the pull-up resistor.
In one embodiment, the switch module is a switch that is turned on at a low level and turned off at a high level, and the first control signal is a high level signal.
In one embodiment, the display control system further includes a pull-down resistor, and the control terminal of the switch module is configured to be grounded through the pull-down resistor.
In one embodiment, the display module includes the adapter card, the receiver card and the display module, the switch module includes a first switch, a second switch and a third switch, the processing module is connected to control terminals of the first switch, the second switch and the third switch, first terminals of the first switch, the second switch and the third switch are used for connecting the power supply, a second terminal of the first switch is connected to the receiver card, a second terminal of the second switch is connected to the adapter card, and a second terminal of the third switch is connected to the display module.
In one embodiment, a display screen includes the display control system described in any of the above embodiments.
Above-mentioned display control system and display screen, SDI signal to sending card output through processing module detects to judge whether display module works, when processing module detects the SDI signal is low level signal, then explain that the display screen is in standby state, processing module generates first control signal, and send first control signal to switch module, so that switch module is in the off-state, even must receive the card, at least one and power disconnection in switching card and the display module assembly, need not the user operation outage, can reduce the receiving card, the standby power consumption of switching card or display module assembly, thereby the standby loss of display screen has been reduced, the electric energy has been practiced thrift.
Drawings
FIG. 1 is a block diagram of a display control system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a display control system according to another embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a display control system according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of a display control system according to another embodiment of the present invention.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For example, there is provided a display control system including: the system comprises a transmitting card, a processing module, a switch module and a display component; the display module comprises at least one of a receiving card, a switching card and a display module, the processing module is connected with the control end of the switch module and the sending card respectively, the first end of the switch module is used for connecting a power supply, and the second end of the switch module is connected with at least one of the receiving card, the switching card and the display module; the transmitting card is used for transmitting SDI signals to the processing module; the processing module is used for generating a first control signal when detecting that the SDI signal is a low level signal, and sending the first control signal to the switch module so as to enable the switch module to be in a disconnected state.
Above-mentioned display control system detects the SDI signal of sending card output through processing module to judge whether display module works, when processing module detects the SDI signal is low level signal, then explain that the display screen is in standby state, processing module generates first control signal, and send first control signal to switch module, so that switch module is in the off-state, even must receive the card, at least one and power disconnection in switching card and the display module assembly, need not the user operation outage, can reduce the stand-by power consumption of receiving the card, switching card or display module assembly, thereby the stand-by loss of display screen has been reduced, reach the effect of practicing thrift the electric energy.
In one embodiment, referring to fig. 1, a display control system 10 includes: a transmitting card 100, a processing module 200, a switch module 300 and a display assembly 400; the display module 400 includes at least one of a receiving card 410, an adapter card 420 and a display module 430, the processing module 200 is respectively connected to the control terminal of the switch module 300 and the transmitting card 100, the first terminal of the switch module 300 is used for connecting a power supply 500, and the second terminal of the switch module 300 is connected to at least one of the receiving card 410, the adapter card 420 and the display module 430; the transmitting card 100 is used for transmitting an SDI signal to the processing module 200; the processing module 200 is configured to generate a first control signal when detecting that the SDI signal is a low-level signal, and send the first control signal to the switch module, so that the switch module is in an off state.
Specifically, an SDI interface (serial digital interface) of the sending card is connected to the processing module, and in the LED display screen, when the user plays the screen using the display screen, the SDI interface of the sending card outputs a high level signal, and when the user does not play the screen using the display screen, the SDI interface of the sending card outputs a low level signal, that is, the display screen passes through the SDI signal, so as to control whether the display screen enters a standby state. Thus, whether the display screen is in a standby state or not can be judged by detecting the SDI signal output by the sending card.
It should be understood that, in this embodiment, when the SDI signal sent by the sending card is a high-point-flat signal, that is, when the SDI interface of the sending card outputs "1", it indicates that the display screen is in a normal display state, and the user is playing a picture using the display screen; when the SDI signal sent by the sending card is at a low level, that is, the SDI interface of the sending card outputs "0", it indicates that the display screen is in a standby state and the user does not play the picture using the display screen. For example, when a user does not control the computer to make the display screen play a picture, the SDI signal output by the sending card is a low level signal, that is, the SDI signal output by the sending card is "0"; when a user controls the display screen to play a picture by using the computer, the sending card outputs the SDI signal as a high-level signal, namely the SDI signal output by the sending card is '1'.
Specifically, the display module includes at least one of a receiving card, a switch card and a display module, and the second end of the switch module is connected to at least one of the receiving card, the switch card and the display module in the display module, that is, the second end of the switch module is connected to at least one of the power end of the receiving card, the power end of the switch card and the power end of the display module in the display module, that is, the switch module may control only one of the receiving card, the switch card and the display module to be disconnected from the power supply, and may also control the receiving card, the switch card and the display module to be disconnected from the power supply, which may be set according to the actual requirements of the user. The SDI signal is detected through the processing module to control the switch module to be in a disconnection state, so that at least one of the receiving card, the switching card and the display module is disconnected from the power supply, namely, the standby loss of one of the receiving card, the switching card and the display module is at least reduced, and the effect of saving electric energy is achieved.
Specifically, in the LED display screen, the sending card is further connected with the receiving card, the switching card is respectively connected with the receiving card and the display module, and the sending card is further used for sending display data to the display module through the receiving card and the switching card so as to enable the display module to work.
Above-mentioned display control system detects the SDI signal of sending card output through processing module to judge whether display module works, when processing module detects the SDI signal is low level signal, then explain that the display screen is in standby state, processing module generates first control signal, and send first control signal to switch module, so that switch module is in off-state, at least one and power disconnection in even must receiving card, switching card and the display module assembly, need not the user operation outage, can reduce the receiving card, the standby power consumption of switching card or display module assembly, so that the display screen is in degree of depth standby state, thereby the standby loss of display screen has been reduced, reach and practice thrift the electric energy effect.
Further, in one embodiment, the processing module is configured to generate the first control signal when it is detected that the SDI signal is a low-level signal within the preset time. It should be understood that, a user usually uses the display screen intermittently to play pictures, for example, when a teacher uses the multimedia display screen to teach in a classroom, the teacher does not always operate the computer to control the operation, and if the processing module detects that the SDI signal is a low level signal, the switching module is controlled to be turned off, so that the display screen is often switched between on and off states, which affects the use of the user; therefore, whether the processing module is a low level signal in the preset time by detecting the SDI signal, namely whether the display screen is operated by no person in the preset time is judged, so that the display screen is prevented from being switched to be in a bright and dark state frequently, and the use of a user is influenced. It is understood that the preset time may be set according to the actual requirement of the user, for example, the preset time is 0S (second) to 300S, for example, the preset time is 180S.
In one embodiment, the processing module is configured to generate a second control signal when detecting that a high-level signal exists in the SDI signal within the preset time, and send the second control signal to the switch module, so that the switch module is in a conducting state. It should be understood that, there is standby power consumption in the standby of traditional display screen, in order to reduce the power consumption when the display screen is out of work, the total power that needs the manual control display screen is turned off, the total power switch that needs the manual control display screen to switch on when using again, the normal use of user not convenient for, and the display control system in this embodiment, processing module is used for through detecting the SDI signal, in order to judge whether the user needs to use the display screen to play the picture, when detecting that the user needs to use the display screen to play the picture, the automatic control switch module is in the on-state, automatic control display screen control promptly, need not user manual control switch, thereby very big convenience of customers uses.
In order to enable the processing module to better receive the SDI signal, in one embodiment, please refer to fig. 2, the display control system 10 further includes a signal transceiver 600, and the transmitting card 100 is connected to the processing module 200 through the signal transceiver 600. In one embodiment, the signal transceiver is configured to filter the SDI signal to filter the interference signal of the SDI signal. In one embodiment, the signal transceiver is model 74HC 245; specifically, the signal transceiver has a filtering function, that is, interference signals in the SDI signals can be filtered out, it should be understood that some interference signals may be doped when the transmission card transmits the SDI signals, and the signal transceiver can filter out the interference signals, so that the processing module can better receive the SDI signals to avoid the interference signals from affecting normal display of the display screen.
In one embodiment, referring to fig. 3, the switch module 300 is a switch with a high level on and a low level off, and the first control signal is a low level signal. Specifically, the switch module is a switch with a high level being on and a low level being off, that is, when the control end of the switch module receives a high level signal, the first end and the second end of the switch module are in a conducting state; when the control end of the switch module receives a low level signal, the first end and the second end of the switch module are in a disconnected state. Further, in one embodiment, the switch module may be a switch tube, and specifically, the switch tube has the advantages of small size, small impedance, high sensitivity, and the like. Further, in one embodiment, the switch module is a field effect transistor. In one embodiment, the switch module is an NMOS (N-Metal-Oxide-Semiconductor) transistor, and specifically, the NMOS transistor has a high-level on function and a low-level off function, that is, when a gate of the NMOS transistor receives a low-level signal, the NMOS transistor is in an off state, that is, a source and a drain of the NMOS transistor are disconnected; when the grid electrode of the NMOS tube receives a high level signal, the NMOS tube is in a conducting state, namely the source electrode and the drain electrode of the NMOS tube are conducted, and therefore the switch module is controlled to be in a disconnecting state when the first control signal output by the processing module is a low level signal through the switch module.
In one embodiment, referring to fig. 3, the display control system 10 further includes a pull-down resistor R1, and the control terminal of the switch module 300 is connected to ground through the pull-down resistor R1. Specifically, the control end of the switch module is connected to the processing module, that is, the processing module is further connected to the pull-down resistor R1. The first end of the pull-down resistor R1 is connected to the control end of the switch module, the second end of the pull-down resistor R1 is connected to ground, and the second end of the pull-down resistor R1 is connected to ground, so that even if an uncertain interference signal exists at the first end of the pull-down resistor R1, the pull-down resistor R1 can pull down the interference signal, and the voltage at the first end of the pull-down resistor R1 is stabilized at a low-level signal. Therefore, when the switch module is a switch with high-level on and low-level off, the pull-down resistor R1 is arranged, so that when the processing module outputs the first control signal, that is, the low-level signal controls the switch to be off, the control end of the switch module can stably receive the low-level signal, so that the switch module is in an off state, and the switch module can be prevented from being mistakenly operated by an interference signal.
In one embodiment, referring to fig. 4, the switch module 300 is a switch with low-level on and high-level off, and the first control signal is a high-level signal. Specifically, the switch module is a switch with a low level on and a high level off, that is, when the control end of the switch module receives a high level signal, the first end and the second end of the switch module are in an off state; when the control end of the switch module receives a low level signal, the first end and the second end of the switch module are in a conducting state. Further, in one embodiment, the switch module is a field effect transistor. In one embodiment, the switch module is a PMOS (P-Metal-Oxide-Semiconductor) transistor, and specifically, the PMOS transistor has a high-level off function and a low-level on function, that is, when a gate of the PMOS transistor receives a low-level signal, the PMOS transistor is in an on state, that is, a source and a drain of the PMOS transistor are turned on; when the grid electrode of the PMOS tube receives a high-level signal, the PMOS tube is in a disconnected state, namely the source electrode and the drain electrode of the PMOS tube are disconnected, and therefore the switch module is controlled to be in the disconnected state when the first control signal output by the processing module is the high-level signal.
In one embodiment, referring to fig. 4, the display control system further includes a pull-up resistor R2, and the control terminal of the switch module is configured to be connected to a pull-up power source through the pull-up resistor R2. Specifically, the control terminal of the switch module is connected to the processing module, that is, the processing module is further connected to the pull-up resistor R2. A first end of the pull-up resistor R2 is connected to the control end of the switch module and the processing module, respectively, and a second end of the pull-up resistor R2 is used to connect a pull-up power supply. Since the second end of the pull-up resistor R2 is connected to the pull-up power source, the first end of the pull-up resistor R2 can be stabilized at a high level signal, and therefore, when the switch module is a switch with a high level off and a low level on, the pull-up resistor R2 is provided, so that the control end of the switch module can stably receive the high level signal when the processing module outputs the first control signal, that is, the high level signal controls the switch to be off, so that the switch module is in an off state, and the switch module can be prevented from being mistakenly operated by an interference signal.
In order to better control the power-off of the display module, in one embodiment, the display module includes the adapter card, the receiver card and the display module, the switch module includes a first switch, a second switch and a third switch, the processing module is respectively connected to the control ends of the first switch, the second switch and the third switch, the first ends of the first switch, the second switch and the third switch are used for connecting the power supply, the second end of the first switch is connected to the receiver card, the second end of the second switch is connected to the adapter card, and the second end of the third switch is connected to the display module. In one embodiment, the processing module has three output terminals, which are a first output terminal, a second output terminal and a third output terminal, respectively, the first output terminal is connected to the control terminal of the first switch module, the second output terminal is connected to the control terminal of the second switch module, and the third output terminal is connected to the control terminal of the third switch module. When the processing module detects that the SDI signals are all low-level signals within the preset time, a first control signal is generated and sent to the control end of the first switch, the control end of the second switch and the control end of the third switch, so that the first switch, the second switch and the third switch are in an off state. When detecting that a user does not need to use the display screen to play a picture, the switching card, the receiving card and the display module are controlled to be powered off, so that standby power loss caused by power failure of the switching card, the receiving card and the display module is reduced, and electric energy is further saved.
In one embodiment, a display screen includes the display control system described in any of the above embodiments. The system comprises: the system comprises a transmitting card, a processing module, a switch module and a display component; the display module comprises at least one of a receiving card, a switching card and a display module, the processing module is connected with the control end of the switch module and the sending card respectively, the first end of the switch module is used for connecting a power supply, and the second end of the switch module is connected with at least one of the receiving card, the switching card and the display module; the transmitting card is used for transmitting SDI signals to the processing module; the processing module is used for judging whether the SDI signal is a low level signal or not, generating a first control signal when the SDI signal is the low level signal, and sending the first control signal to the switch module so that the switch module is in a disconnected state.
Above-mentioned display screen, SDI signal to sending the card output through processing module detects, whether work with the judgement display module, detect when processing module when the SDI signal is low level signal, then explain that the display screen is in standby state, processing module generates first control signal, and send first control signal to switch module, so that switch module is in the off-state, even must receive the card, at least one and power off connection in switching card and the display module assembly, need not the user operation outage, can reduce the receiving card, the stand-by power consumption of switching card or display module assembly, thereby the stand-by loss of display screen has been reduced, reach the effect of practicing thrift the electric energy.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A display control system, comprising: the system comprises a transmitting card, a processing module, a switch module and a display component;
the display module comprises at least one of a receiving card, a switching card and a display module, the processing module is connected with the control end of the switch module and the sending card respectively, the first end of the switch module is used for connecting a power supply, and the second end of the switch module is connected with at least one of the receiving card, the switching card and the display module;
the transmitting card is used for transmitting SDI signals to the processing module; the processing module is used for generating a first control signal when detecting that the SDI signal is a low level signal, and sending the first control signal to the switch module so as to enable the switch module to be in a disconnected state.
2. The display control system according to claim 1, wherein the processing module is configured to generate the first control signal when it is detected that the SDI signal is a low signal within a preset time.
3. The display control system according to claim 2, wherein the processing module is configured to generate a second control signal when detecting that the SDI signal has a high level signal within the preset time, and send the second control signal to the switch module, so that the switch module is in a conducting state.
4. The display control system of claim 1, further comprising a signal transceiver through which the transmitter card is connected to the processing module.
5. The display control system according to claim 1, wherein the switch module is a switch that is turned on at a high level and turned off at a low level, and the first control signal is a low level signal.
6. The display control system according to claim 5, further comprising a pull-down resistor, wherein the control terminal of the switch module is configured to be grounded via the pull-down resistor.
7. The display control system according to claim 1, wherein the switch module is a low-level on and high-level off switch, and the first control signal is a high-level signal.
8. The display control system according to claim 7, further comprising a pull-up resistor, wherein the control terminal of the switch module is configured to be connected to a pull-up power source through the pull-up resistor.
9. The display control system according to any one of claims 1 to 8, wherein the display module includes the adapter card, the receiver card and the display module, the switch module includes a first switch, a second switch and a third switch, the processing module is connected to control terminals of the first switch, the second switch and the third switch respectively, first terminals of the first switch, the second switch and the third switch are used for connecting the power supply, a second terminal of the first switch is connected to the receiver card, a second terminal of the second switch is connected to the adapter card, and a second terminal of the third switch is connected to the display module.
10. A display screen comprising a display control system according to any one of claims 1 to 9.
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| CN201911156246.7A CN110728938B (en) | 2019-11-22 | 2019-11-22 | Display control system and display screen |
| PCT/CN2020/100655 WO2021098229A1 (en) | 2019-11-22 | 2020-07-07 | Display control system and display screen |
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| CN201911156246.7A CN110728938B (en) | 2019-11-22 | 2019-11-22 | Display control system and display screen |
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| CN110728938B CN110728938B (en) | 2022-04-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111402787A (en) * | 2020-04-07 | 2020-07-10 | 深圳市洲明科技股份有限公司 | L ED screen power supply control device and method |
| CN112017588A (en) * | 2020-08-31 | 2020-12-01 | 深圳市艾比森光电股份有限公司 | Energy-saving method for LED display screen and related device |
| CN112133251A (en) * | 2020-10-30 | 2020-12-25 | 歌尔科技有限公司 | Wearable device display control method and wearable device |
| WO2021098229A1 (en) * | 2019-11-22 | 2021-05-27 | 深圳市洲明科技股份有限公司 | Display control system and display screen |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110728938B (en) | 2022-04-19 |
| WO2021098229A1 (en) | 2021-05-27 |
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