CN111540310A - Light modulation method, device and equipment for Micro-LED display screen and readable storage medium - Google Patents
Light modulation method, device and equipment for Micro-LED display screen and readable storage medium Download PDFInfo
- Publication number
- CN111540310A CN111540310A CN202010595996.0A CN202010595996A CN111540310A CN 111540310 A CN111540310 A CN 111540310A CN 202010595996 A CN202010595996 A CN 202010595996A CN 111540310 A CN111540310 A CN 111540310A
- Authority
- CN
- China
- Prior art keywords
- micro
- display screen
- led display
- driving module
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The invention provides a dimming method, a device, equipment and a readable storage medium for a Micro-LED display screen, which comprise the following steps: reading current values of a plurality of photoelectric receivers arranged on the back surface of the substrate; wherein the photo-receiver comprises a blue light receiver, a red light receiver, and a green light receiver; and sending a gating pulse to a switching circuit of the driving module according to the current value and the reference current value so as to regulate the power output to the luminous layer on the front surface of the substrate. The Micro-LED display screen dynamic dimming method and device realize dynamic dimming of the Micro-LED display screen and improve user experience.
Description
Technical Field
The invention relates to the field of Micro-LEDs, in particular to a dimming method, a device and equipment of a Micro-LED display screen and a readable storage medium.
Background
Micro-LED technology, namely LED Micro-scaling and matrixing technology. The LED display screen is a high-density micro-sized LED array integrated on a chip, for example, each pixel of the LED display screen can be addressed and independently driven to be lightened, and can be regarded as a miniature version of an outdoor LED display screen, and the distance between pixel points is reduced from a millimeter level to a micron level.
In the existing Micro-LED display screen, the problem of uneven display can occur, and in the prior art, a more reasonable dynamic dimming scheme does not exist.
In view of this, the present application is presented.
Disclosure of Invention
The invention provides a dimming method, a dimming device, dimming equipment and a readable storage medium for a Micro-LED display screen, and aims to dynamically dim the Micro-LED display screen.
The first embodiment of the invention provides a dimming method of a Micro-LED display screen, which comprises the following steps:
reading current values of a plurality of photoelectric receivers arranged on the back surface of the substrate; wherein the photo-receiver comprises a blue light receiver, a red light receiver, and a green light receiver;
and sending a gating pulse to a switching circuit of the driving module according to the current value and the reference current value so as to regulate the power output to the luminous layer on the front surface of the substrate.
Preferably, before reading the current values of the plurality of photo receivers disposed on the back surface of the substrate, the method further includes sending an enable signal to the driving module, and the driving module lights the light emitting layer according to the enable signal.
Preferably, the sending of the gate pulse to the switching circuit of the driving module according to the current value and the reference current value to adjust the power output to the light emitting layer on the front surface of the substrate specifically includes:
and when the current value is judged to be smaller than the reference value, outputting a gating pulse to the switch circuit, so that the driving module increases the current output to the luminous layer on the front surface of the substrate.
Preferably, the method further comprises the following steps:
and when the current value is judged to be larger than the reference value, outputting a gating pulse to the switch circuit, so that the driving module reduces the current output to the luminous layer on the front surface of the substrate.
The second embodiment of the invention provides a light modulation device of a Micro-LED display screen, which comprises:
a current value reading unit for reading current values of a plurality of photoelectric receivers arranged on the back surface of the substrate; wherein the photo-receiver comprises a blue light receiver, a red light receiver, and a green light receiver;
and the gating pulse sending unit sends gating pulses to a switching circuit of the driving module according to the current value and the reference current value so as to regulate the power output to the luminous layer on the front surface of the substrate.
Preferably, the display device further comprises an enable signal sending unit, configured to send an enable signal to the driving module, and the driving module lights the light emitting layer according to the enable signal.
Preferably, the strobe sending unit is specifically configured to:
and when the current value is judged to be smaller than the reference value, outputting a gating pulse to the switch circuit, so that the driving module increases the current output to the luminous layer on the front surface of the substrate.
Preferably, the strobe transmission unit is further configured to:
and when the current value is judged to be larger than the reference value, outputting a gating pulse to the switch circuit, so that the driving module reduces the current output to the luminous layer on the front surface of the substrate.
A third embodiment of the present invention provides a Micro-LED display dimming device, which includes a processor, a plurality of photo receivers electrically connected to an input terminal of the processor, a driving module electrically connected to an output terminal of the processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor executes the computer program to implement a Micro-LED display dimming method as described in any one of the above embodiments.
A fourth embodiment of the present invention provides a readable storage medium, which stores a computer program, where the computer program can be executed by a processor of a device where the storage medium is located, so as to implement the dimming method for a Micro-LED display screen according to any one of the above items.
Based on the dimming method, the dimming device, the dimming equipment and the readable storage medium for the Micro-LED display screen provided by the invention, the blue light receiver, the red light receiver and the green light receiver convert the received corresponding blue light, red light and green light into light current values, the controller reads the light current values, judges whether the current brightness meets the display requirement according to the light current values, when the light current values are judged to be smaller than a preset value, the corresponding light color is judged to be insufficient in light emission, the power output to the light emitting layer needs to be increased, when the light current values are judged to be larger than the preset value, the corresponding light color is judged to be excessive in light emission, the power output to the light emitting layer needs to be increased, and the problem that the Micro-LED display screen cannot be dynamically dimmed in the prior art is solved.
Drawings
FIG. 1 is a schematic flow chart of a dimming method for a Micro-LED display screen according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a hardware configuration for dimming a Micro-LED display screen according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a module of a dimming device of a Micro-LED display screen according to a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
In the embodiments, the references to "first \ second" are merely to distinguish similar objects and do not represent a specific ordering for the objects, and it is to be understood that "first \ second" may be interchanged with a specific order or sequence, where permitted. It should be understood that "first \ second" distinct objects may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced in sequences other than those illustrated or described herein.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
The invention provides a dimming method, a dimming device, dimming equipment and a readable storage medium for a Micro-LED display screen, and aims to dynamically dim the Micro-LED display screen.
Referring to fig. 1, a first embodiment of the invention provides a dimming method for a Micro-LED display screen, including:
s101, reading current values of a plurality of photoelectric receivers arranged on the back surface of a substrate; wherein the photo-receiver comprises a blue light receiver, a red light receiver, and a green light receiver;
it should be noted that, the front surface of the substrate is configured with a blue light emitting material, a red light emitting material, and a green light emitting material for emitting light of three colors, the back surface of the substrate is configured with a blue light receiver, a red light receiver, and a green light receiver for receiving corresponding light intensity information and converting the received light into a photocurrent, and the processor can determine whether the light of the corresponding color is not displayed in place according to the photocurrent.
And S102, sending a gating pulse to a switch circuit of the driving module according to the current value and the reference current value so as to regulate the power output to the luminous layer on the front surface of the substrate.
In this embodiment, when the current value is determined to be smaller than the reference value, a gate pulse is output to the switch circuit, so that the driving module increases the current output to the light emitting layer on the front surface of the substrate.
In this embodiment, when the current value is greater than the reference value, a gate pulse is output to the switch circuit, so that the driving module reduces the current output to the light emitting layer on the front surface of the substrate.
It should be noted that, referring to fig. 2, the driving module may include a driver 2 and a switching circuit 1, where the switching circuit may include three resistors connected in series and switching tubes connected in parallel to two of the resistors, and the three resistors connected in series are connected to the light emitting layer, and a switching tube may be connected in parallel to two of the resistors, when a loop is just turned on, one of the switching tubes is turned on to short-circuit one of the resistors, and the other switching tube is turned off, and when the current value is smaller than a reference value, the other switching tube is also controlled to be turned on by the driver to increase the current output to the light emitting layer, and when the current value is larger than the reference value, the switching tube controlled to be turned on by the driver is also turned off, so that the driver is connected to the light emitting layer through the three resistors to. It should be understood that multiple resistors and multiple switching tubes may also be added to make dimming more accurate.
In this embodiment, before reading the current values of the plurality of photo receivers disposed on the back surface of the substrate, the method further includes sending an enable signal to the driving module, and the driving module lights the light emitting layer according to the enable signal.
It should be noted that, a driving module may be corresponding to the light emitting layer of each color, and is used to transmit power to the light emitting layer of the color to drive the light emitting layer of the color to emit light, or a driving module may be used to transmit power to the light emitting layers of three colors, which is not specifically limited herein, but these schemes are all within the protection scope of the present invention.
Based on the dimming method for the Micro-LED display screen provided in the above embodiment, the blue light receiver, the red light receiver and the green light receiver convert the received corresponding blue, red and green light into light current values, the controller reads the light current values, and determines whether the current brightness meets the display requirement according to the light current values, when the light current values are determined to be smaller than a preset value, it is determined that the corresponding light colors are insufficient in light emission and the power output to the light emitting layer needs to be increased, and when the light current values are determined to be larger than the preset value, it is determined that the corresponding light colors are excessive in light emission and the power output to the light emitting layer needs to be increased, thereby solving the problem that the Micro-LED display screen cannot be dynamically dimmed in the prior art.
Referring to fig. 3, a second embodiment of the present invention provides a light modulation apparatus for a Micro-LED display screen, including:
a current value reading unit 201 for reading current values of a plurality of photoelectric receivers arranged on the back surface of the substrate; wherein the photo-receiver comprises a blue light receiver, a red light receiver, and a green light receiver;
and the gate pulse sending unit 202 sends a gate pulse to a switching circuit of the driving module according to the current value and the reference current value so as to adjust the power output to the light emitting layer on the front surface of the substrate.
Preferably, the display device further comprises an enable signal sending unit, configured to send an enable signal to the driving module, and the driving module lights the light emitting layer according to the enable signal.
Preferably, the strobe pulse 202 sending unit is specifically configured to:
and when the current value is judged to be smaller than the reference value, outputting a gating pulse to the switch circuit, so that the driving module increases the current output to the luminous layer on the front surface of the substrate.
Preferably, the strobe transmission unit 202 is further configured to:
and when the current value is judged to be larger than the reference value, outputting a gating pulse to the switch circuit, so that the driving module reduces the current output to the luminous layer on the front surface of the substrate.
A third embodiment of the present invention provides a Micro-LED display dimming device, which includes a processor, a plurality of photo receivers electrically connected to an input terminal of the processor, a driving module electrically connected to an output terminal of the processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor executes the computer program to implement a Micro-LED display dimming method as described in any one of the above embodiments.
A fourth embodiment of the present invention provides a readable storage medium, which stores a computer program, where the computer program can be executed by a processor of a device where the storage medium is located, so as to implement the dimming method for a Micro-LED display screen according to any one of the above items.
Based on the dimming method, the dimming device, the dimming equipment and the readable storage medium for the Micro-LED display screen provided by the invention, the blue light receiver, the red light receiver and the green light receiver convert the received corresponding blue light, red light and green light into light current values, the controller reads the light current values, judges whether the current brightness meets the display requirement according to the light current values, when the light current values are judged to be smaller than a preset value, the corresponding light color is judged to be insufficient in light emission, the power output to the light emitting layer needs to be increased, when the light current values are judged to be larger than the preset value, the corresponding light color is judged to be excessive in light emission, the power output to the light emitting layer needs to be increased, and the problem that the Micro-LED display screen cannot be dynamically dimmed in the prior art is solved.
Illustratively, the computer programs described in the third and fourth embodiments of the present invention may be partitioned into one or more modules, which are stored in the memory and executed by the processor to implement the present invention. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the dimming device implementing a Micro-LED display screen. For example, the device described in the second embodiment of the present invention.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general processor can be a microprocessor or the processor can be any conventional processor and the like, the processor is a control center of the dimming method for the Micro-LED display screen, and various interfaces and lines are used for connecting all parts for realizing the dimming method for the Micro-LED display screen.
The memory can be used for storing the computer program and/or the module, and the processor can realize various functions of the dimming method of the Micro-LED display screen by running or executing the computer program and/or the module stored in the memory and calling the data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, a text conversion function, etc.), and the like; the storage data area may store data (such as audio data, text message data, etc.) created according to the use of the cellular phone, etc. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein the implemented module, if implemented in the form of a software functional unit and sold or used as a stand-alone product, can be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A dimming method of a Micro-LED display screen is characterized by comprising the following steps:
reading current values of a plurality of photoelectric receivers arranged on the back surface of the substrate; wherein the photo-receiver comprises a blue light receiver, a red light receiver, and a green light receiver;
and sending a gating pulse to a switching circuit of the driving module according to the current value and the reference current value so as to regulate the power output to the luminous layer on the front surface of the substrate.
2. A method for dimming a Micro-LED display screen according to claim 1, further comprising sending an enable signal to the driving module before reading current values of a plurality of photo receivers disposed on the back surface of the substrate, the driving module lighting the light emitting layer according to the enable signal.
3. A dimming method for a Micro-LED display screen according to claim 1, wherein the sending of a gate pulse to a switching circuit of a driving module according to the current value and a reference current value to adjust the power output to a light emitting layer on the front side of the substrate specifically comprises:
and when the current value is judged to be smaller than the reference value, outputting a gating pulse to the switch circuit, so that the driving module increases the current output to the luminous layer on the front surface of the substrate.
4. A method of dimming a Micro-LED display screen according to claim 3, further comprising:
and when the current value is judged to be larger than the reference value, outputting a gating pulse to the switch circuit, so that the driving module reduces the current output to the luminous layer on the front surface of the substrate.
5. A light modulation device of a Micro-LED display screen is characterized by comprising:
a current value reading unit for reading current values of a plurality of photoelectric receivers arranged on the back surface of the substrate; wherein the photo-receiver comprises a blue light receiver, a red light receiver, and a green light receiver;
and the gating pulse sending unit sends gating pulses to a switching circuit of the driving module according to the current value and the reference current value so as to regulate the power output to the luminous layer on the front surface of the substrate.
6. A Micro-LED display screen dimming device according to claim 5, further comprising an enable signal sending unit for sending an enable signal to said driving module, wherein said driving module lights said light emitting layer according to said enable signal.
7. The dimming device for a Micro-LED display screen according to claim 5, wherein the strobe sending unit is specifically configured to:
and when the current value is judged to be smaller than the reference value, outputting a gating pulse to the switch circuit, so that the driving module increases the current output to the luminous layer on the front surface of the substrate.
8. A dimming device for a Micro-LED display screen according to claim 7, wherein the strobe signal sending unit is further configured to:
and when the current value is judged to be larger than the reference value, outputting a gating pulse to the switch circuit, so that the driving module reduces the current output to the luminous layer on the front surface of the substrate.
9. A Micro-LED display screen dimming device, comprising a processor, a plurality of photo-receivers electrically connected to an input of the processor, a driving module electrically connected to an output of the processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor executing the computer program to implement a Micro-LED display screen dimming method according to any one of claims 1 to 4.
10. A readable storage medium storing a computer program executable by a processor of a device in which the storage medium is located to implement a method of dimming a Micro-LED display screen as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595996.0A CN111540310A (en) | 2020-06-28 | 2020-06-28 | Light modulation method, device and equipment for Micro-LED display screen and readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595996.0A CN111540310A (en) | 2020-06-28 | 2020-06-28 | Light modulation method, device and equipment for Micro-LED display screen and readable storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111540310A true CN111540310A (en) | 2020-08-14 |
Family
ID=71980884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010595996.0A Pending CN111540310A (en) | 2020-06-28 | 2020-06-28 | Light modulation method, device and equipment for Micro-LED display screen and readable storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111540310A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596657Y (en) * | 2002-12-31 | 2003-12-31 | 上海新源变频电器股份有限公司 | Variable central air conditioner power factor correcting circuit device |
| CN1713254A (en) * | 2004-06-16 | 2005-12-28 | 三星Sdi株式会社 | Organic light emitting display and control method thereof |
| US20120092239A1 (en) * | 2007-11-05 | 2012-04-19 | Samsung Electronics Co., Ltd. | Organic light emitting diode display and method for manufacturing the same |
| CN104732922A (en) * | 2013-12-24 | 2015-06-24 | 科视数字系统加拿大股份有限公司 | Method, System And Apparatus For Dynamically Monitoring And Calibrating Display Tiles |
| CN105207481A (en) * | 2015-09-23 | 2015-12-30 | 深圳市华星光电技术有限公司 | Loop compensating circuit and switching mode power supply circuit |
| CN105278604A (en) * | 2015-10-28 | 2016-01-27 | 苏州锴威特半导体有限公司 | Full voltage range multi-benchmark voltage synchronization adjustment circuit |
| CN205783397U (en) * | 2016-05-16 | 2016-12-07 | 中国计量大学 | A kind of wearable Intelligent air purifier of collar type |
| CN107481663A (en) * | 2017-09-11 | 2017-12-15 | 合肥缤赫信息科技有限公司 | A kind of light modulation LED display control system certainly |
| CN108010484A (en) * | 2016-10-31 | 2018-05-08 | 上海箩箕技术有限公司 | Dot structure, display screen and the method for adjusting brightness of display screen uniformity |
| CN209183566U (en) * | 2018-11-30 | 2019-07-30 | 厦门理工学院 | A kind of LED chip improving positive light |
-
2020
- 2020-06-28 CN CN202010595996.0A patent/CN111540310A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596657Y (en) * | 2002-12-31 | 2003-12-31 | 上海新源变频电器股份有限公司 | Variable central air conditioner power factor correcting circuit device |
| CN1713254A (en) * | 2004-06-16 | 2005-12-28 | 三星Sdi株式会社 | Organic light emitting display and control method thereof |
| US20120092239A1 (en) * | 2007-11-05 | 2012-04-19 | Samsung Electronics Co., Ltd. | Organic light emitting diode display and method for manufacturing the same |
| CN104732922A (en) * | 2013-12-24 | 2015-06-24 | 科视数字系统加拿大股份有限公司 | Method, System And Apparatus For Dynamically Monitoring And Calibrating Display Tiles |
| CN105207481A (en) * | 2015-09-23 | 2015-12-30 | 深圳市华星光电技术有限公司 | Loop compensating circuit and switching mode power supply circuit |
| CN105278604A (en) * | 2015-10-28 | 2016-01-27 | 苏州锴威特半导体有限公司 | Full voltage range multi-benchmark voltage synchronization adjustment circuit |
| CN205783397U (en) * | 2016-05-16 | 2016-12-07 | 中国计量大学 | A kind of wearable Intelligent air purifier of collar type |
| CN108010484A (en) * | 2016-10-31 | 2018-05-08 | 上海箩箕技术有限公司 | Dot structure, display screen and the method for adjusting brightness of display screen uniformity |
| CN107481663A (en) * | 2017-09-11 | 2017-12-15 | 合肥缤赫信息科技有限公司 | A kind of light modulation LED display control system certainly |
| CN209183566U (en) * | 2018-11-30 | 2019-07-30 | 厦门理工学院 | A kind of LED chip improving positive light |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7650082B2 (en) | Optical communication transmitter, optical communication receiver, optical communication system, and communication apparatus | |
| US20120087677A1 (en) | Method and apparatus for transmitting data using visible light communication | |
| US20070064421A1 (en) | Light source unit for use in a lighting apparatus | |
| CN111917990B (en) | Video camera | |
| US8917031B2 (en) | Backlight panel circuit, back light panel and light emitting diode driver | |
| CN113141690A (en) | Single-point controllable light-emitting device and system | |
| CN205263628U (en) | Intelligence principal and subordinate's lamp device and system | |
| CN1731907B (en) | Flexible lamp strip embedded with serial drive control chip | |
| CN212183780U (en) | Drive circuit and lamp | |
| CN111540310A (en) | Light modulation method, device and equipment for Micro-LED display screen and readable storage medium | |
| CN111447718A (en) | Wine cabinet, illumination control method and illumination control system for wine cabinet | |
| US8059112B2 (en) | Apparatus and method for broadcasting visible light information in visible light communication | |
| US20060214878A1 (en) | Light emitting device single-cluster lamp control system | |
| JP5108948B2 (en) | Data transmission by light-emitting diode space illumination | |
| JPH0764499A (en) | Display board | |
| KR102366728B1 (en) | Power supply device and display apparatus having the same | |
| CN210129979U (en) | Light-emitting device of power supply | |
| CN210247021U (en) | Artificial intelligence sound box | |
| KR101379968B1 (en) | Apparatus, system and method for communicating data using light | |
| CN110103594B (en) | Indicator light color change method and device, portable printer and storage medium | |
| CN102858054B (en) | Solid luminous device, solid luminescent light source, lighting device and control method thereof | |
| US20240130017A1 (en) | Control method for lamp system based on rgb wiring arrangement | |
| CN218830733U (en) | Lamp system based on RGB wiring | |
| CN204406963U (en) | Be configured to the signal processing apparatus driving luminescent panel | |
| CN217985484U (en) | Automatic brightness-adjusting lighting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200814 |
|
| RJ01 | Rejection of invention patent application after publication |