CN113539110A - Device for improving brightness uniformity of display screen - Google Patents
Device for improving brightness uniformity of display screen Download PDFInfo
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- CN113539110A CN113539110A CN202110856952.3A CN202110856952A CN113539110A CN 113539110 A CN113539110 A CN 113539110A CN 202110856952 A CN202110856952 A CN 202110856952A CN 113539110 A CN113539110 A CN 113539110A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Microelectronics & Electronic Packaging (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention provides a device for improving the brightness uniformity of a display screen, relates to the technical field of display screens, and aims to solve the problem that the brightness of the display effect of the display screen is easily reduced due to larger rainwater when the existing display screen is used; the backlight module is characterized in that the front side of the backlight module is uniformly provided with lamp tubes, and the backlight module shell is arranged on the rear side of the main body; the water collecting piece is arranged at the top of the main body, and the bottom of the push block in the water collecting piece is arranged at the rear side of the top of the main body; the adjusting mechanism is arranged on the side surface of the water collecting piece, and a baffle in the adjusting mechanism is arranged on the front side of the water tank through a rotating shaft; an electric box installed at a rear side of the main body. The inclination grow of baffle makes the light response main part top front side's that the shot-light jetted out light sensor, makes the luminance of display screen improve, makes light can pierce through the rainwater.
Description
Technical Field
The invention belongs to the technical field of display screens, and particularly relates to a device for improving the brightness uniformity of a display screen.
Background
The display is a display tool which displays a certain electronic file on a screen through specific transmission equipment and reflects the electronic file to human eyes, under the action of an electric field, the arrangement direction of liquid crystal molecules is changed to change the light transmittance of an external light source so as to finish electro-optical conversion, and different excitations of R, G, B three primary color signals are utilized to finish color reproduction of a time domain and a space domain through red, green and blue three primary color filter films.
Relate to a full-color colourity homogeneity device of LED display screen in application number CN202010659482.7, relate to LED display screen technical field, specifically be a full-color colourity homogeneity device of LED display screen, including end cabinet and red green blue LED array, position stop gear is installed to the top of end cabinet, and the top of position stop gear installs the frame, the notch has been seted up to the front end of frame inner wall bottom, and the inside of notch is provided with the USB interface, red green blue LED array is located the front end of frame, the air guide mechanism is all installed to the left and right sides of frame rear end. This full-color colourity homogeneity device of LED display screen is provided with position stop gear, and linear screw motor passes through accommodate the lead screw promotion lead screw guide pin bushing and removes along the horizontal central line direction of rack, and the symmetric distribution of clamp plate makes and is close to each other between the clamp plate, makes the clamp plate act on the frame with the clamping-force, thereby can effectual restriction frame's position to and the convenience that can effectual improvement dismouting frame.
Based on prior art discovery, current display screen is when adjusting luminance homogeneity, and the display screen is vertical in the open air and is placed, runs into the rainy day and makes the rainwater infiltration easily, causes the life-span reduction of display screen, and the luminance of display screen is invariable, and the great luminance that makes the display effect of display screen of rainwater reduces easily, reduces the penetrating power to the rainwater.
Disclosure of Invention
In order to solve the above technical problem, the present invention provides an apparatus for improving brightness uniformity of a display screen, comprising: the device comprises a main body, a water collecting piece and an adjusting mechanism, wherein screen glass is installed on the front side of the main body, a light sensor is installed at the top of the front side of the main body, a backlight module is installed inside the main body in a sliding mode, a backlight module shell is installed on the rear side of the main body, the water collecting piece is installed at the top of the main body, the bottom of a push block inside the water collecting piece is installed on the rear side of the top of the main body, the adjusting mechanism is installed on the side face of the water collecting piece, a baffle plate in the adjusting mechanism is installed on the front side of a water tank through a rotating shaft, and a vertical plate in the adjusting mechanism is installed on the side face of the bottom of an inner plate,
the main body comprises a support and a display module, wherein a base is installed at the bottom of the support, the support is installed on two sides of the main body through a rotating shaft, and the display module is installed inside the main body; the water collecting part comprises a bottom groove and a water tank, the bottom groove is arranged at the bottom of the water tank, an inner groove is arranged inside the water tank, the bottom groove is connected with the inner groove, the bottom part of the inner groove is connected with an inner plate through a spring, the side surface of the bottom of the push block is of an inclined structure, the push block penetrates through the bottom groove and is installed at the bottom of the inner plate, a drain hole is formed in the side surface of the water tank, a filter hole is formed in the top of the water tank, and the water tank is installed on the tops of the supports on the two sides of the main body;
the adjusting mechanism comprises a baffle, a cross rod and a vertical plate, a guide plate is mounted on the side surface of the baffle, a sawtooth structure is arranged on the outer side of the guide plate, two gears with different diameters are arranged at two ends of the cross rod, the cross rod is rotatably mounted on the side surface of the water tank, the gear at the outer end of the cross rod is meshed with the sawtooth structure on the outer side of the guide plate, the sawtooth structure is arranged on the side surface of the vertical plate, and the sawtooth structure on the side surface of the vertical plate is meshed with the gear at the inner end of the cross rod;
when the inner plate is pressed, the inner plate moves downwards in the inner groove, so that the push block penetrates through the bottom groove to push the main body to move, the inner plate drives the vertical plate to move downwards while moving, the sawtooth-shaped structure on the side surface of the vertical plate is meshed with the gear at the inner end of the cross rod, the gear at the outer end of the cross rod in a rotating mode drives the guide plate to move, and the baffle plate rotates on the side surface of the water tank through the rotating shaft;
the even a plurality of light sensors that are provided with of display module assembly, just the baffle is installed to light sensor bottom, the baffle bottom is provided with a plurality of shot-lights that correspond with the light sensor, through the light sensor detects the different regional light intensity of display module assembly and compares to light intensity averages, to being less than the region of average value, corresponds regional shot-light and opens, improves this regional luminance.
Compared with the prior art, the invention has the following beneficial effects:
1. in the device, the inner plate is arranged, in rainy days, the inner plate pushes the push block to push the main body to move according to the amount of rainwater collected by the water tank, so that the screen on the front side of the main body inclines downwards, the erosion of rainwater to the screen is reduced, the influence of rainwater on the service life of the display screen is prevented, more rainwater is collected, the inclination angle of the main body is large, otherwise, the inclination angle of the main body is small, the display effect of the compatible information is not weakened while rainwater is protected, the main body is kept in a vertical state under the action of the self weight in fine days, and the information is conveniently displayed;
2. in the device, the baffle is arranged, the inclined baffle can further block rainwater in rainy days, the rainwater is prevented from permeating into the display screen, the inner plate is lowered, meanwhile, the vertical plate drives the transverse rod to block, under the action of the guide plate, the inclination angle of the baffle is increased, the distance between a spotlight at the bottom of the baffle and the main body is shortened, light emitted by the spotlight is induced to a light sensor at the front side of the top of the main body, the brightness of the display screen is improved, the light can penetrate the rainwater, the display effect is improved, and particularly, at night, the light of the display screen plays a role in reminding passerby;
3. evenly be provided with a plurality of light sensors through display module assembly, and the baffle is installed to light sensor bottom, and the baffle bottom is provided with a plurality of shot-lights that correspond with light sensor, detects the light intensity of the different regions of display module assembly through light sensor and compares to light intensity averages, to the region that is less than the average value, corresponds regional shot-light and opens, improves this regional luminance, has further improved the homogeneity of display screen luminance.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the stent of the present invention.
Fig. 3 is a schematic cross-sectional structure of the main body of the present invention.
Fig. 4 is a schematic perspective view of the water tank of the present invention.
Fig. 5 is a schematic perspective view of the push block of the present invention.
Fig. 6 is a schematic perspective view of the baffle of the present invention.
Fig. 7 is a schematic view of a riser configuration of the present invention.
Fig. 8 is an exploded view of the electrical box of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main body; 101. a support; 102. a display module; 2. a backlight module; 201. a support plate; 202. a housing; 3. a water collection member; 301. a water tank; 302. a filtration pore; 303. an inner tank; 304. an inner plate; 305. a bottom groove; 306. a push block; 4. an adjustment mechanism; 401. a baffle plate; 402. a guide plate; 403. a cross bar; 404. a vertical plate; 5. an electric box; 501. a chute; 502. a slide plate; 503. a carrier plate; 504. rotating the plate; 505. and (4) clamping the board.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 8, the present invention provides an apparatus for improving brightness uniformity of a display screen, including: the LED screen comprises a main body 1, wherein screen glass is installed on the front side of the main body 1, a light sensor is installed at the top of the front side of the main body 1, the light sensor at the top of the front side of the main body 1 can be adjusted according to the day and night, and a backlight module 2 is installed in the main body 1 in a sliding mode;
the backlight module 2, the front side of the backlight module 2 is fitted with the modulator tube evenly, and the outer casing 202 of the backlight module 2 is installed on the rear side of the body 1;
the water collecting part 3 is arranged at the top of the main body 1, the bottom of the pushing block 306 in the water collecting part 3 is arranged at the rear side of the top of the main body 1, so that the inclined structure at the side surface of the bottom of the pushing block 306 can push the main body 1 to be inclined, the front side of the main body 1 is inclined downwards, and the washing of rainwater on the display screen is reduced;
the adjusting mechanism 4 is arranged on the side surface of the water collecting part 3, a baffle 401 in the adjusting mechanism 4 is arranged on the front side of the water tank 301 through a rotating shaft, and a vertical plate 404 in the adjusting mechanism 4 is arranged on the bottom side surface of the inner plate 304; the side of electronic box 5, electronic box 5 is equipped with the fluting, and electronic box 5 installs the rear side at main part 1.
Wherein, main part 1 includes: the bottom of the support 101 is provided with a base, the support 101 has a supporting function, the top of the base is provided with two mounting holes, and the support 101 is arranged on two sides of the main body 1 through a rotating shaft; display module assembly 102, display module assembly 102's internally mounted has electric current and voltage stabilizer, and display module assembly 102 installs the inside at main part 1, internally mounted at main part 1 has display module assembly 102, pattern literal information can be shown, display module assembly 102 internally mounted's electric current and voltage stabilizer make voltage and electric current invariable, make the luminance of demonstration evenly scatter, main part 1 can be supported to support 101, the base of its bottom, be convenient for install subaerial, the screen glass of the front side of main part 1, can protect display module assembly 102.
Wherein, backlight unit 2 includes: a support plate 201, wherein a threaded rod is mounted in the middle of the support plate 201, the inner end of the threaded rod is mounted at the rear side of the main body 1, the support plate 201 is in a cross structure, and four ends of the support plate 201 penetrate through the rear side of the main body 1 and are mounted at the rear side edge of the backlight module 2; shell 202, shell 202 installs the outside at backup pad 201, and the outer end of backup pad 201 intermediate threaded rod is installed to the intermediate position of shell 202, in the installation, according to actual use scene, the threaded rod that makes backup pad 201 intermediate position drives backup pad 201 and removes, align to grid's fluorescent tube on backlight unit 2, make light evenly scatter, make crisscross backup pad 201 to backlight unit 2 even atress that carries on, promote backlight unit 2 and slightly remove, make backlight unit 2 provide suitable light source, shell 202 protects and locks the threaded rod of backup pad 201 intermediate position, prevent that other people from removing.
In another embodiment, install miniature propelling movement jar in backlight unit 2's side, in rainy day, according to the size of rainfall, adjust backlight unit 2's distance, make the light of display screen have the penetrating power, be convenient for use night, the propelling movement distance of miniature propelling movement jar, it is more accurate, degree of automation is high.
Wherein, water-collecting member 3 includes: a water tank 301, wherein a drain hole is formed on the side surface of the water tank 301, the water tank 301 is in a conical structure, and the water tank 301 is arranged on the top of the bracket 101 at two sides of the main body 1; a filter hole 302, the filter hole 302 being provided at the top of the water tank 301; an inner tank 303, the inner tank 303 being provided inside the water tank 301; an inner plate 304, wherein the inner plate 304 is rectangular, and the bottom of the inner plate 304 is mounted inside the inner groove 303 through a spring; a bottom tank 305, wherein the bottom tank 305 is arranged at the bottom of the water tank 301, and the bottom tank 305 is connected with the inner tank 303; the bottom side of the push block 306 is of an inclined structure, the push block 306 penetrates through the bottom groove 305 and is mounted at the bottom of the inner plate 304, the water tank 301 is mounted at the top of the support 101, in rainy days, rainwater can be collected by the water tank 301 and flows into the inner groove 303 through the filtering holes 302, the filtering holes 302 can block leaves and other sundries, and the inner plate 304 is pressed by the rainwater to move downwards in the inner groove 303, so that the push block 306 penetrates through the bottom groove 305 and pushes the main body 1 to move.
Wherein, adjustment mechanism 4 includes: a baffle 401, and a guide plate 402 is installed on the side surface of the baffle 401; the guide plate 402 is of an arc-shaped structure, the guide plate 402 has a guiding function, and a sawtooth-shaped structure is arranged on the outer side of the guide plate 402; two ends of the cross bar 403 are provided with two gears with different diameters, the cross bar 403 is rotatably installed on the side surface of the water tank 301, and the gear at the outer end of the cross bar 403 is meshed with the sawtooth structure at the outer side of the guide plate 402; a vertical plate 404, a sawtooth structure is arranged on the side surface of the vertical plate 404, the vertical plate 404 has a guiding function, the sawtooth structure on the side surface of the vertical plate 404 is meshed with a gear at the inner end of a cross rod 403, the vertical plate 404 moves to penetrate through the bottom of a water tank 301 and the top of a support 101, the rainwater pushes an inner plate 304 to move and simultaneously drives the vertical plate 404 to move downwards, the sawtooth structure on the side surface of the vertical plate 404 is meshed with the gear at the inner end of the cross rod 403, the cross rod 403 rotates an outer end gear to drive a guide plate 402 to move, a baffle 401 rotates on the side surface of the water tank 301 through a rotating shaft, the baffle 401 can prevent rainwater from washing a display screen, a plurality of light sensors are uniformly arranged through a display module, a partition plate is arranged at the bottom of each light sensor and is used for isolating wire harnesses in a sensor detection area, the light rays detected by the light sensors are prevented from being interfered with each other, and a plurality of spot lights corresponding to the light sensors are arranged at the bottom of the baffle plate, detect the light intensity of the different regions of display module assembly through the light sensor and carry out the comparison to light intensity is averaged, to being less than the region of average value, corresponds regional shot-light and opens, improves the luminance in this region, has further improved the homogeneity of display screen luminance, especially when night, and the effect is particularly showing.
Wherein, electronic box 5 includes: the sliding chute 501 is of a rectangular structure, the sliding chute 501 has a guiding function, and the sliding chute 501 is arranged on the side face of the electric box 5; a sliding plate 502, wherein a locking block is arranged on the side surface of the top of the sliding plate 502, a sliding block is arranged on the inner side of the sliding plate 502, and the sliding block on the inner side of the sliding plate 502 is slidably arranged in the sliding groove 501; the carrier plate 503 is of a rectangular structure, jacks with different specifications are mounted on the outer side of the carrier plate 503, and the carrier plate 503 is rotatably mounted inside the electric box 5; a clamping groove is formed in the outer side of the rotating plate 504, and the inner side of the rotating plate 504 is connected with the carrier plate 503; the clamping plate 505, the bottom of the clamping plate 505 is in a semicircular structure, the clamping plate 505 has a fixing function, and the clamping plate 505 is arranged at the bottom of the outer side of the sliding plate 502, and the clamping plate 505 is slidably inserted in the clamping groove on the side surface of the rotating plate 504, an electric box 5 is arranged at the rear side of the main body 1, when the display information in the display screen needs to be changed and maintained, according to the jacks needed to be used, the rotating plate 504 is rotated to drive the carrier plate 503 to rotate in the electrical box 5, so that the jacks with different specifications on the outer side of the carrier plate 503 face the openings on the side surface of the electrical box 5, thereby facilitating the connection with equipment such as a computer for use, and after the use is completed, the slide block inside the slide plate 502 is moved along the slide groove 501, the slide plate 502 blocks the opening on the side surface of the electric box 5, meanwhile, the sliding plate 502 drives the clamping plate 505 to be clamped in a clamping groove on the side face of the rotating plate 504, and the clamping plate is fixed through a locking hole in the top of the sliding plate 502, so that a lawbreaker is prevented from damaging the display screen.
When in use: when the display screen is used, firstly, according to the condition of the installation environment, the initial brightness of the display screen is adjusted, the supporting plate 201 is supported on the rear side of the backlight module 2 to slightly move by using a threaded rod, the lamp tube on the side surface of the backlight module 2 ensures the high brightness display of the display screen, the threaded rod in the middle position of the supporting plate 201 is protected by the shell 202, the uniformity of the displayed brightness is ensured by the current and voltage stabilizers arranged in the display module 102, the main body 1 is supported by the bracket 101 and installed on the ground, when the display screen is maintained, the rotating plate 504 is rotated to drive the supporting plate 503 to rotate in the electric box 5, the proper jack on the outer side of the supporting plate 503 faces the opening on the side surface of the electric box 5 to facilitate the connection of a computer, after the maintenance is completed, the sliding plate 502 blocks the opening on the side surface of the electric box 5, meanwhile, the clamping plate 505 is clamped in the clamping groove on the side surface of the rotating plate 504, rainwater flows into the inner groove 303 through the filtering hole 302 to be stored in rainy day, the inner plate 304 is pressed by rainwater to move downwards to push the push block 306 to push the main body 1 to be inclined, a screen on the front side of the main body 1 inclines downwards to reduce the washing of rainwater on a display screen, the inner plate 304 moves to drive the vertical plate 404 to move downwards simultaneously, a saw-toothed structure on the side surface of the vertical plate 404 is meshed with a gear on the inner end of the cross rod 403, so that the cross rod 403 drives the guide plate 402 to drive the baffle 401 to turn over, a plurality of light sensors are uniformly arranged through the display module, a partition plate is arranged at the bottom of each light sensor and used for isolating wire harnesses in a sensor detection area to prevent the light sensors from detecting the light from being interfered with each other, a plurality of spot lights corresponding to the light sensors are arranged at the bottom of the baffle plate, the light intensities of different areas of the display module are detected through the light sensors and compared, the average values of the light intensities are calculated, and the spot lights in the corresponding areas are opened in the areas lower than the average value, the brightness of the area is improved, the uniformity of the brightness of the display screen is further improved, and particularly, the effect is remarkable at night.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (8)
1. The utility model provides an improve device of display screen luminance homogeneity which characterized in that: the device comprises a main body, a water collecting piece and an adjusting mechanism, wherein screen glass is installed on the front side of the main body, a light sensor is installed at the top of the front side of the main body, a backlight module is installed inside the main body in a sliding mode, a backlight module shell is installed on the rear side of the main body, the water collecting piece is installed at the top of the main body, the bottom of a push block inside the water collecting piece is installed on the rear side of the top of the main body, the adjusting mechanism is installed on the side face of the water collecting piece, a baffle plate in the adjusting mechanism is installed on the front side of a water tank through a rotating shaft, and a vertical plate in the adjusting mechanism is installed on the side face of the bottom of an inner plate,
the main body comprises a support and a display module, wherein a base is installed at the bottom of the support, the support is installed on two sides of the main body through a rotating shaft, and the display module is installed inside the main body; the water collecting part comprises a bottom groove and a water tank, the bottom groove is arranged at the bottom of the water tank, an inner groove is arranged inside the water tank, the bottom groove is connected with the inner groove, the bottom part of the inner groove is connected with an inner plate through a spring, the side surface of the bottom of the push block is of an inclined structure, the push block penetrates through the bottom groove and is installed at the bottom of the inner plate, a drain hole is formed in the side surface of the water tank, a filter hole is formed in the top of the water tank, and the water tank is installed on the tops of the supports on the two sides of the main body;
the adjusting mechanism comprises a baffle, a cross rod and a vertical plate, a guide plate is mounted on the side surface of the baffle, a sawtooth structure is arranged on the outer side of the guide plate, two gears with different diameters are arranged at two ends of the cross rod, the cross rod is rotatably mounted on the side surface of the water tank, the gear at the outer end of the cross rod is meshed with the sawtooth structure on the outer side of the guide plate, the sawtooth structure is arranged on the side surface of the vertical plate, and the sawtooth structure on the side surface of the vertical plate is meshed with the gear at the inner end of the cross rod;
when the inner plate is stressed, the inner plate moves downwards in the inner groove, so that the push block penetrates through the bottom groove to push the main body to move, the inner plate drives the vertical plate to move downwards while moving, the serrated structure on the side surface of the vertical plate is meshed with the gear on the inner end of the cross rod, the gear on the outer end of the cross rod is driven to drive the guide plate to move, and the baffle plate rotates on the side surface of the water tank through the rotating shaft.
2. The device for improving the brightness uniformity of the display screen according to claim 1, wherein: backlight unit includes the backup pad, the threaded rod is installed to the intermediate position of backup pad, the threaded rod obtains the inner rear side of installing in the main part, and four ends of backup pad run through the rear side edge position of installing at backlight unit of main part, the shell is installed in the outside of backup pad, and the outer end of backup pad intermediate threaded rod is installed to the intermediate position of shell.
3. The device for improving the brightness uniformity of the display screen according to claim 1, wherein a plurality of light sensors are uniformly arranged on the display module, a partition is installed at the bottom of each light sensor, and a plurality of spot lights corresponding to the light sensors are arranged at the bottom of the partition.
4. The device for improving the brightness uniformity of the display screen according to claim 3, wherein the light sensors are used for detecting the light intensities of different areas of the display module and comparing the light intensities, the light intensities are averaged, and for the area lower than the average value, the spotlight corresponding to the area is turned on to improve the brightness of the area.
5. The device for improving the brightness uniformity of the display screen according to claim 1, wherein an electronic box is mounted on the rear side of the main body, a slot is formed in the side surface of the electronic box, a sliding groove is formed in the side surface of the electronic box, a sliding plate is slidably connected in the sliding groove, a locking block is mounted on the side surface of the top of the sliding plate, and a sliding block is mounted on the inner side of the sliding plate.
6. The apparatus for improving the brightness uniformity of the display screen according to claim 5, wherein: the inside of electronic box rotates installs the support plate, the jack of different specifications is installed in the outside of support plate, support plate one side is connected with changes the board, the outside of changeing the board is equipped with the draw-in groove.
7. The apparatus for improving the brightness uniformity of the display screen according to claim 5, wherein: the bottom of the outer side of the sliding plate is provided with a clamping plate, and the clamping plate is inserted into a clamping groove in the side face of the rotating plate in a sliding mode.
8. The device for improving the brightness uniformity of the display screen according to claim 1, wherein: the display module is internally provided with a current stabilizer and a voltage stabilizer, so that the displayed brightness is uniformly dispersed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856952.3A CN113539110B (en) | 2021-07-28 | 2021-07-28 | Device for improving brightness uniformity of display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856952.3A CN113539110B (en) | 2021-07-28 | 2021-07-28 | Device for improving brightness uniformity of display screen |
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| CN113539110A true CN113539110A (en) | 2021-10-22 |
| CN113539110B CN113539110B (en) | 2022-02-15 |
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| CN213092075U (en) * | 2020-08-31 | 2021-04-30 | 深圳市百视佳实业有限公司 | Adjustable backlight source |
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