CN114999407A - Method and system for accurately controlling backlight brightness of airborne display - Google Patents
Method and system for accurately controlling backlight brightness of airborne display Download PDFInfo
- Publication number
- CN114999407A CN114999407A CN202210629924.2A CN202210629924A CN114999407A CN 114999407 A CN114999407 A CN 114999407A CN 202210629924 A CN202210629924 A CN 202210629924A CN 114999407 A CN114999407 A CN 114999407A
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- display
- brightness
- driver
- cleaning brush
- backlight brightness
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 abstract description 16
- 239000007921 spray Substances 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract 1
- 210000003128 head Anatomy 0.000 description 19
- 230000001681 protective effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 241001417527 Pempheridae Species 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- G09G3/34—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
- G09G2360/145—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of airborne display, in particular to a method and a system for accurately controlling the backlight brightness of an airborne display, which comprises a display body, a support plate and a cleaning assembly, wherein the cleaning assembly comprises a driver, a cylinder, a sliding frame, a cleaning brush, a spray head, a dryer and an auxiliary detector, the driver can slide on the support plate so as to drive the cylinder to move, the cylinder can push the sliding frame to move downwards so as to drive the cleaning brush to be close to the display body, so that the cleaning brush can be used for spraying cleaning liquid to clean the display body, then after the cleaning brush is used for cleaning, gas is sprayed out by the dryer for drying, so that the surface of the display body can be kept clean after long-term use, the brightness can be better reflected into eyes of people, the influence of impurities is avoided, and the auxiliary detector can also obtain the brightness of the cleaned display body, to more conveniently perform brightness control.
Description
Technical Field
The invention relates to the technical field of airborne display, in particular to a method and a system for accurately controlling the backlight brightness of an airborne display.
Background
The screen-out brightness of the LCD display mainly depends on the LED backlight brightness, the LED backlight brightness is mainly determined by the LED brightness, and in the onboard display industry, unstable display brightness can cause misoperation of a pilot.
The existing display has the problem that the display accuracy is influenced by the fact that impurities such as dust can be stuck to the surface after the existing display is used for a long time, so that misoperation of a pilot is easily caused.
Disclosure of Invention
The invention aims to provide an accurate control method and system for the backlight brightness of an airborne display, which aim to conveniently clean a display screen, acquire screen brightness data and then conveniently control the screen brightness.
In order to achieve the above object, in a first aspect, the present invention provides an on-board display backlight brightness precision control system, which comprises a display body, a supporting plate, and a cleaning assembly, the display body is arranged on the supporting plate, the cleaning assembly comprises a driver, an air cylinder, a sliding frame, a cleaning brush, a spray head, a dryer and an auxiliary detector, the driver is arranged on the supporting plate in a sliding mode, the air cylinder is installed on the driver, the sliding frame is fixedly connected with a telescopic rod of the cylinder, the cleaning brush is arranged on one side of the sliding frame, the spray head is fixedly connected with the sliding frame, and is positioned at one side of the cleaning brush, the dryer is arranged at one side of the cleaning brush far away from the spray head, the auxiliary detector is installed at one side of the dryer and used for obtaining the screen brightness of the display body.
The driver comprises a moving block, a motor and a first gear, the supporting plate is provided with a rack, the moving block is connected with the supporting plate in a sliding mode and located on one side of the supporting plate, the motor is fixed on the moving block, the first gear is fixedly connected with the output end of the motor and meshed with the rack, and the air cylinder is installed on the moving block.
Wherein the cleaning assembly further comprises a first spring disposed between the cylinder and the carriage.
The cleaning brush comprises a brush body, an installation head and a clamping rod, the installation head is provided with a mounting groove, the installation head is connected with the sliding frame in a rotating mode and is located on one side of the sliding frame, the clamping rod is connected with the installation head in a sliding mode and penetrates through the installation head, and the brush body is arranged in the mounting groove.
The cleaning brush further comprises a second gear, and the second gear is fixedly connected with the mounting head and is close to the first gear.
Wherein, the auxiliary detection ware includes first illumination sensor, displacement sensor and synchronous ware, first illumination sensor sets up one side of desicator is used for right display screen body outside light detects, obtains external light intensity, displacement sensor sets up on the driver for detect the shift position and obtain positional information, the synchronous ware is used for uploading external light intensity and positional information.
In a second aspect, the present invention further provides a method for accurately controlling the backlight brightness of an onboard display, including: starting a driver to drive an auxiliary detector to acquire initial screen brightness;
collecting reflected light intensity from a back of the display body;
calculating the initial ratio of the reflected light intensity to the screen brightness;
acquiring real-time reflected light intensity, and calculating real-time screen brightness based on the initial ratio to perform brightness control;
after the display body runs for a preset time, starting a driver to drive a cleaning brush to clean the display body, and simultaneously assisting a detector to acquire second screen brightness;
the initial ratio is calibrated based on the second screen brightness and the real-time reflected light intensity.
According to the method and the system for accurately controlling the backlight brightness of the onboard display, disclosed by the invention, the driver can slide on the supporting plate so as to drive the air cylinder to move, the air cylinder can push the sliding frame to move downwards so as to drive the cleaning brush to be close to the display body, so that the cleaning liquid sprayed by the spray head can be used for cleaning the display body, then after the cleaning is carried out through the cleaning brush, the air sprayed by the dryer is adopted for drying, so that the surface of the display body can be kept clean after the display body is used for a long time, the brightness can be better reflected to eyes of people, the influence of impurities is avoided, and the auxiliary detector can also obtain the brightness of the cleaned display body so as to more conveniently control the brightness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram of a system for precisely controlling the backlight brightness of an onboard display according to a first embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a precise backlight brightness control system for an onboard display according to a first embodiment of the present invention.
Fig. 3 is a structural diagram of an on-board display backlight brightness precision control system according to a second embodiment of the present invention.
Fig. 4 is an enlarged view of a detail a of fig. 3.
Fig. 5 is a partial sectional view of a second embodiment of the invention at a sweeper brush.
Fig. 6 is a schematic cross-sectional view along the motor of an on-board display backlight brightness precision control system of a second embodiment of the present invention.
Fig. 7 is a block diagram of an on-board display backlight brightness precision control system according to a third embodiment of the present invention.
Fig. 8 is a partial sectional view of a third embodiment of the invention at a sweeper brush.
Fig. 9 is an enlarged partial view of detail B of fig. 8.
Fig. 10 is a schematic cross-sectional view along the motor of the accurate control system for the backlight brightness of the onboard display according to the fourth embodiment of the invention.
Fig. 11 is a flowchart of a method for accurately controlling the backlight brightness of an onboard display according to a fifth embodiment of the present invention.
101-display body, 102-supporting plate, 103-cleaning component, 105-driver, 106-air cylinder, 107-sliding frame, 108-cleaning brush, 109-spray head, 110-dryer, 111-auxiliary detector, 201-moving block, 202-motor, 203-first gear, 204-rack, 205-first spring, 206-brush body, 207-mounting head, 208-second gear, 209-clamping rod, 210-mounting groove, 301-spray head body, 302-liquid tank, 303-liquid pump, 304-filter plate, 305-air pump, 306-air outlet plate, 307-third spring, 308-protective shell, 309-push plate, 310-cover plate, 401-first light sensor, 402-displacement sensor, 403-synchronizer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
First embodiment
Referring to fig. 1 to fig. 2, fig. 1 is a block diagram of an on-board display backlight brightness precision control system according to a first embodiment of the present invention. Fig. 2 is a schematic cross-sectional view of a precise backlight brightness control system for an onboard display according to a first embodiment of the present invention. The invention provides an accurate control system for backlight brightness of an airborne display, which comprises: comprising a display body 101, a support plate 102 and a cleaning assembly 103, said cleaning assembly 103 comprising a drive 105, a pneumatic cylinder 106, a carriage 107, a washing brush 108, a spray head 109, a dryer 110 and an auxiliary detector 111.
In this embodiment, the display main body 101 is provided on the support plate 102, and the display main body 101 can be attached to the aircraft through the support plate 102, and display can be performed through the display main body 101.
The driver 105 is slidably disposed on the supporting plate 102, the air cylinder 106 is mounted on the driver 105, the sliding frame 107 is fixedly connected to an expansion link of the air cylinder 106, the cleaning brush 108 is disposed on one side of the sliding frame 107, the spray head 109 is fixedly connected to the sliding frame 107 and is located on one side of the cleaning brush 108, the dryer 110 is disposed on one side of the cleaning brush 108 away from the spray head 109, and the auxiliary detector 111 is mounted on one side of the dryer 110 and is configured to obtain the screen brightness of the display body 101. The driver 105 can slide on the supporting plate 102 to drive the cylinder 106 to move, the cylinder 106 can push the sliding frame 107 to move downwards to drive the cleaning brush 108 to approach the display body 101, so that the cleaning liquid sprayed from the spray head 109 can be used to clean the display body 101, and then after the cleaning by the cleaning brush 108, the air sprayed from the dryer 110 is used to dry, so that the surface of the display body 101 can be kept clean after long-term use, the brightness can be better reflected to the eyes of a person, the influence of impurities can be avoided, and the auxiliary detector 111 can also acquire the brightness of the cleaned display body 101 to more conveniently control the brightness.
Second embodiment
Referring to fig. 3 to fig. 6, fig. 3 is a structural diagram of an on-board display backlight brightness precision control system according to a second embodiment of the present invention. Fig. 4 is an enlarged view of a detail a of fig. 3. Fig. 5 is a partial sectional view of a second embodiment of the invention at a sweeper brush. Fig. 6 is a schematic cross-sectional view along the motor of an on-board display backlight brightness precision control system of a second embodiment of the present invention. On the basis of the first embodiment, the driver 105 of the on-board display backlight brightness precision control system of the invention comprises a moving block 201, a motor 202 and a first gear 203, the supporting plate 102 has a rack 204, the cleaning component 103 further comprises a first spring 205, the cleaning brush 108 comprises a brush body 206, a mounting head 207, a second gear 208 and a clamping rod 209, and the mounting head 207 has a mounting groove 210.
In this embodiment, the moving block 201 is slidably connected to the supporting plate 102 and located on one side of the supporting plate 102, the motor 202 is fixed to the moving block 201, the first gear 203 is fixedly connected to an output end of the motor 202 and engaged with the rack 204, and the air cylinder 106 is mounted on the moving block 201. The motor 202 is started to drive the first gear 203 to rotate, and the first gear 203 can drive the moving block 201 to move on the supporting plate 102 under the support of the rack 204, so that the structure is more compact, and the use is more convenient.
Wherein the first spring 205 is disposed between the cylinder 106 and the carriage 107. After the cleaning is completed, the power of the air cylinder 106 can be removed, so that the sliding frame 107 can be lifted under the restoring force of the first spring 205, and the use is more convenient.
Next, the mounting head 207 is rotatably connected to the sliding frame 107 and is located at one side of the sliding frame 107, the chucking rod 209 is slidably connected to the mounting head 207 and passes through the mounting head 207, and the brush 206 is disposed in the mounting groove 210. The mounting head 207 can rotate relative to the sliding frame 107, and the clamping rod 209 can slide relative to the mounting head 207, so that the brush body 206 can be mounted in the mounting groove 210 of the mounting head 207, and then the clamping rod 209 can be slid to fix the brush body 206, and the operation is reversed when the brush body 206 is required to be replaced.
Finally, the second gear 208 is fixedly connected to the mounting head 207 and is adjacent to the first gear 203. In order to improve the cleaning efficiency, the second gear 208 moves downward and is engaged with the first gear 203 while the air cylinder 106 moves the sliding frame 107 downward, so that the second gear 208, the mounting head 207 and the brush body 206 are driven by the first gear 203 to rotate during cleaning, and the cleaning efficiency of the display body 101 is improved.
Third embodiment
Referring to fig. 7 to 9, fig. 7 is a block diagram of an on-board display backlight brightness precision control system according to a third embodiment of the present invention. Fig. 8 is a partial sectional view of a third embodiment of the invention at a sweeper brush. Fig. 9 is an enlarged view of a portion of detail a of fig. 8. On the basis of the second embodiment, the spray head 109 of the on-board display backlight brightness precision control system of the invention comprises a spray head body 301, a liquid tank 302 and a liquid pump 303, the dryer 110 comprises a filter plate 304, an air pump 305, an air outlet plate 306 and a third spring 307, and the on-board display backlight brightness precision control system further comprises a protective shell 308, a push plate 309 and a cover plate 310.
In the present embodiment, the head body 301 is fixed to the carriage 107, the liquid pump 303 communicates with the head body 301, and the liquid tank 302 is attached to the carriage 107 and communicates with the liquid pump 303. In use, the liquid tank 302 is filled with cleaning liquid, and then the liquid in the liquid tank 302 can be sprayed out through the nozzle body 301 by the liquid pump 303, where the nozzle body 301 can be a long plate with many small holes, so that the cleaning liquid can be sprayed more uniformly.
The filter plate 304 is slidably disposed on the sliding rack 107, the air pump 305 is in communication with the filter plate 304, the air outlet plate 306 is fixed on one side of the filter plate 304 and in communication with the air pump 305, and the third spring 307 is disposed between the filter screen and the air outlet plate 306. The protective shell 308 is disposed on one side of the supporting plate 102, the cover plate 310 is rotatably connected to the protective shell 308 and is disposed on one side of the protective shell 308, and the push plate 309 is fixedly connected to the protective shell 308 and is adjacent to the filter plate 304. The air pump 305 is composed of fan blades and a motor 202, the motor 202 drives the fan blades to rotate, so that air enters from the filter board 304 and then is discharged through the air outlet board 306 to dry the display body 101, so that impurities can be left on the filter board 304. The protective shell 308 can protect the whole cleaning structure, and the protective shell 308 can be opened and protected by the cover plate 310, when the filter plate 304 is close to the push plate 309, the push plate 309 pushes the filter plate 304 to compress the third spring 307, so that the filter plate 304 contacts the brush body 206, the brush body 206 can be rotated for cleaning, and the use is more convenient.
Fourth embodiment
Referring to fig. 10, fig. 10 is a schematic cross-sectional view along the motor of the onboard display backlight precision control system according to the fourth embodiment of the invention. On the basis of the third embodiment, the auxiliary detector 111 of the on-board display backlight brightness precision control system of the present invention includes a first illumination sensor 401, a displacement sensor 402 and a synchronizer 403.
In this embodiment, the first illumination sensor 401 is disposed at one side of the dryer 110 and is used for detecting light outside the display screen body to obtain external light intensity, the displacement sensor 402 is disposed on the driver 105 and is used for detecting a moving position to obtain position information, and the synchronizer 403 is used for uploading the external light intensity and the position information. Through first light sensor 401 can acquire the illumination intensity that the screen sent after wasing, then displacement sensor 402 adopts the mode of opto-coupler right the turned angle of first gear 203 detects to calculate the displacement, then pass through synchronizer 403 is convenient for control screen brightness in uploading to total controller with displacement and illumination intensity, and find impaired LED lamp.
Fifth embodiment
Referring to fig. 11, fig. 11 is a flowchart illustrating a method for accurately controlling the backlight brightness of an onboard display according to a fifth embodiment of the present invention. On the basis of the fourth embodiment, the method for accurately controlling the backlight brightness of the airborne display comprises the following steps:
s101, starting a driver 105 to drive an auxiliary detector 111 to collect initial screen brightness;
the first move only captures the brightness of the initial screen using the auxiliary detector 111. The display body 101 itself is in a clean state at this time.
S102 collecting reflected light intensity from the back of the display body 101;
the back of the display body 101 is provided with a reflective sheet and a second illumination sensor, so that the brightness generated by the light reflection of the screen can be collected.
S103, calculating an initial ratio of the reflected light intensity to the screen brightness;
assuming that the reflected light intensity is L1, the screen brightness is L2, and the initial ratio is calculated as: L1/L2.
S104, acquiring real-time reflected light intensity, and calculating real-time screen brightness based on the initial ratio to perform brightness control;
and continuously adopting a second illumination sensor to obtain the reflected light intensity acquired in real time, and then obtaining the real-time screen brightness based on the ratio for control.
S105, after the display body 101 runs for a preset time, starting the driver 105 to drive the cleaning brush 108 to clean the display body 101, and simultaneously acquiring second screen brightness by the auxiliary detector 111;
since the surface cleanliness of the display screen body also affects the screen brightness, the display screen body needs to be cleaned after being used for a certain time.
S106, calibrating the initial ratio based on the second screen brightness and the real-time reflected light intensity.
Due to the aging of the reflector plate or the accumulated error of the second sensor, the brightness adjusting accuracy of the device is easily reduced after the device is used for a long time, and therefore the initial ratio needs to be corrected by adopting the brightness of the second screen and the real-time reflected light intensity, and the dimming accuracy after the device is used for a long time is improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. An airborne display backlight brightness accurate control system comprises a display body and a support plate, wherein the display body is arranged on the support plate,
still include clean subassembly, clean subassembly includes driver, cylinder, carriage, cleaning brush, shower nozzle, desicator and auxiliary detector, the driver slides and sets up in the backup pad, the cylinder is installed on the driver, the carriage with the telescopic link fixed connection of cylinder, the cleaning brush sets up one side of carriage, the shower nozzle with carriage fixed connection, and be located one side of cleaning brush, the desicator sets up the cleaning brush is kept away from one side of shower nozzle, auxiliary detector installs one side of desicator is used for acquireing the screen brightness of display body.
2. The system of claim 1, wherein the control unit is configured to control the backlight brightness of the on-board display,
the driver comprises a moving block, a motor and a first gear, the supporting plate is provided with a rack, the moving block is connected with the supporting plate in a sliding mode and located on one side of the supporting plate, the motor is fixed on the moving block, the first gear is fixedly connected with the output end of the motor and meshed with the rack, and the air cylinder is installed on the moving block.
3. The system of claim 2, wherein the backlight brightness accurate control system of the onboard display,
the cleaning assembly also includes a first spring disposed between the cylinder and the carriage.
4. The on-board display backlight brightness precision control system of claim 3,
the cleaning brush includes the brush body, installation head and kelly, the installation head has the mounting groove, the installation head with the carriage rotates to be connected, and is located one side of carriage, the kelly with installation head sliding connection, and pass the installation head, the brush body sets up in the mounting groove.
5. The system of claim 4, wherein the control unit is further configured to control the backlight brightness of the on-board display,
the cleaning brush still includes the second gear, the second gear with installation head fixed connection, and be close to first gear.
6. The system of claim 1, wherein the backlight brightness accurate control system of the onboard display,
the auxiliary detector comprises a first illumination sensor, a displacement sensor and a synchronizer, wherein the first illumination sensor is arranged on one side of the dryer and used for detecting light outside the display screen body to obtain external light intensity, the displacement sensor is arranged on the driver and used for detecting the moving position to obtain position information, and the synchronizer is used for uploading the external light intensity and the position information.
7. An accurate control method for the backlight brightness of the airborne display, which is applied to the accurate control system for the backlight brightness of the airborne display of claim 6,
the method comprises the following steps: starting a driver to drive an auxiliary detector to acquire initial screen brightness;
collecting reflected light intensity from a back of the display body;
calculating the initial ratio of the reflected light intensity to the screen brightness;
acquiring real-time reflected light intensity, and calculating real-time screen brightness based on the initial ratio to perform brightness control;
after the display body runs for a preset time, starting a driver to drive a cleaning brush to clean the display body, and simultaneously, assisting a detector to acquire second screen brightness;
the initial ratio is calibrated based on the second screen brightness and the real-time reflected light intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629924.2A CN114999407A (en) | 2022-06-06 | 2022-06-06 | Method and system for accurately controlling backlight brightness of airborne display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629924.2A CN114999407A (en) | 2022-06-06 | 2022-06-06 | Method and system for accurately controlling backlight brightness of airborne display |
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| CN114999407A true CN114999407A (en) | 2022-09-02 |
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| CN202210629924.2A Pending CN114999407A (en) | 2022-06-06 | 2022-06-06 | Method and system for accurately controlling backlight brightness of airborne display |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116030743A (en) * | 2023-03-30 | 2023-04-28 | 合肥市航嘉显示科技有限公司 | LED display and brightness adjustment detection structure thereof |
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2022
- 2022-06-06 CN CN202210629924.2A patent/CN114999407A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116030743A (en) * | 2023-03-30 | 2023-04-28 | 合肥市航嘉显示科技有限公司 | LED display and brightness adjustment detection structure thereof |
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