CN114974000A - LED display screen contrast improving method and LED display screen - Google Patents
LED display screen contrast improving method and LED display screen Download PDFInfo
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- CN114974000A CN114974000A CN202210645593.1A CN202210645593A CN114974000A CN 114974000 A CN114974000 A CN 114974000A CN 202210645593 A CN202210645593 A CN 202210645593A CN 114974000 A CN114974000 A CN 114974000A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
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- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
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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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The invention relates to the technical field of LED display screens, and discloses a method for improving the contrast of an LED display screen and the LED display screen, which comprises the following steps: the adjusting mechanism comprises a connecting long block, a rotating shaft, an H-shaped sliding block, a fixing frame body, a connecting frame body, a threaded rod, a square sliding block, a limiting gear, a spring, a fixing block, a sliding block and a tooth block, the upper surface of the connecting long block is fixedly connected with the lower surface of the rear assembly, and the outer surface of the rotating shaft is fixedly connected with the inside of the connecting long block. According to the LED display screen contrast lifting method and the LED display screen, the front and back and the angle can be adjusted as required, so that the whole brightness of the display screen can be observed conveniently, the contrast can be lifted as required, light irradiated by the display screen can meet actual requirements, and the purpose of accurate lifting is achieved.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to a method for improving the contrast of an LED display screen and the LED display screen.
Background
The LED display screen has the characteristics of low energy consumption, high brightness, long service life, good performance stability and the like, is widely applied to indoor places such as command centers, video conference rooms, studio and markets and outdoor large-screen display, along with the development of the technology, the requirements on the display effect, such as contrast, brightness, resolution and the like, are higher and higher, the contrast of the LED display screen is improved mostly by observing through human eyes at present, meanwhile, the LED display screen keeps the position unchanged, when the human eyes observe the LED display screen from different directions, the obtained screen brightness degree is different, so that the contrast of the LED display screen cannot be accurately improved, meanwhile, when the screen and the screen frame are installed, a certain gap exists, when the bright light irradiates, the light transmission condition easily occurs through the gap, so that the condition of inaccuracy exists for the improvement of the contrast, resulting in the brightness of the viewing display not being as effective as desired.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the LED display screen contrast ratio improving method and the LED display screen, which can effectively adjust the LED display screen and shield the gap between the screen and the screen frame, so that the contrast ratio can be improved according to the requirement, the light irradiated by the display screen is more in line with the actual requirement, the purpose of accurate improvement is achieved, and the problems in the background art are solved.
The invention provides the following technical scheme: a method for improving the contrast of an LED display screen and the LED display screen comprise the following steps: the adjusting mechanism comprises a connecting long block, a rotating shaft, an H-shaped sliding block, a fixed frame, a connecting frame, a threaded rod, a square sliding block, a limiting gear, a spring, a fixed block, a sliding block and a tooth block, the upper surface of the connecting long block is fixedly connected with the lower surface of the rear assembly, the outer surface of the rotating shaft is fixedly connected with the inside of the connecting long block, the inside of the H-shaped sliding block is rotatably connected with the outer surface of the end part of the rotating shaft, the inner wall of the fixed frame is in sliding connection with the outer surface of the H-shaped sliding block, the upper surface of the connecting frame is fixedly connected with the lower surface of the fixed frame, the upper surface of the connecting frame is provided with a sliding groove, the sliding groove penetrates through the lower surface of the fixed frame, and the outer surface of the square sliding block is in sliding connection with the inner wall of the connecting frame, the upper surface of the connecting frame body and the lower fixed surface of the H-shaped sliding block are connected, the outer surface of the joint of the connecting frame body and the H-shaped sliding block is connected with the inner wall of the sliding chute in a sliding mode, the two ends of the threaded rod are connected with the inner wall of the connecting frame body in a rotating mode, the inside of the square sliding block is connected with the outer surface of the threaded rod in a threaded mode, the inside of the limiting gear is connected with the outer surface of the end portion of the rotating shaft in a fixed mode, one side of the outer surface of the tooth block is meshed with the outer surface of the limiting gear, one side of the sliding block is connected with the other side of the tooth block in a fixed mode, the outer surface of the sliding block is connected with the inner wall of the fixed block in a sliding mode, one end of the spring is connected with the inner wall of the fixed block in a fixed mode, and the other side of the other end of the spring is connected with the sliding block in a fixed mode.
Preferably, fixed surface is connected with the installation framework on the inner wall of back sub-assembly, the inside both sides wall of installation framework rotates and is connected with the connecting axle, the surface winding of connecting axle has the curtain of sheltering from, the surface and the installation framework swing joint of sheltering from the curtain, one side of back sub-assembly rotates and is connected with the dwang, the other end fixedly connected with handle of dwang, the drive belt has been cup jointed to the surface of dwang, the back sub-assembly is stretched out to the one end of connecting axle, and the connecting axle stretches out the one end of back sub-assembly and the inner wall of back sub-assembly rotates and is connected, the inside opposite side of drive belt cup joints with the one end surface that the connecting axle stretches out the back sub-assembly.
Preferably, the lower surface of fixed block is fixedly connected with L type connecting plate, the opposite side of L type connecting plate and the surface one side fixed connection of H type slider, L type connecting plate is provided with two sets ofly.
Preferably, the tooth piece is provided with two sets ofly, and two sets of tooth pieces all set up the surface at limit gear, spring, fixed block and sliding block all are provided with two sets ofly.
Preferably, the inner side of the limit gear is movably connected with one side of the outer surface of the H-shaped sliding block, and the threaded rod is connected with an external driving source.
Preferably, the two sides of the lower surface of the shielding curtain are fixedly connected with inserting rods, and magnets are fixedly arranged inside the lower ends of the inserting rods.
Preferably, slots are formed in two sides of the lower surface of the inner portion of the rear assembly, a first magnet is fixedly mounted inside the slots, and inserting rods are clamped inside the slots.
Preferably, one side of the rear assembly is clamped with the front assembly, and the lower surface of the connecting frame body is fixedly connected with the supporting seat.
A method for improving the contrast of an LED display screen comprises the following steps,
the method comprises the following steps: firstly, the rotating rod 6 connected with the handle 7 rotates by rotating the handle 7, and as the two ends in the transmission belt 5 are respectively in transmission sleeve connection with the surfaces of the rotating rod 6 and the connecting shaft 23, when the rotating rod 6 rotates, the connecting shaft 23 is driven to rotate by the transmission belt 5, the shielding curtain 28 wound on the outer surface of the connecting shaft 23 descends, white signals and black signals are controlled, and meanwhile, the saturation of the white signals at 100% and 0% is informed, Lux is taken as a metering unit, the numerical value is controlled below a white value of 0%, the contrast is a dividing value of a blackest brightness unit and a whitest brightness unit, the brighter and darker white and the darker black in the environment are higher, the contrast is an important parameter of the liquid crystal display, and the higher the contrast is the reasonable brightness value, and the richer the color gradation can be displayed.
Step two: secondly, the two sides of the lower surface of the shielding curtain 28 are respectively provided with an inserting rod 24, the shielding curtain 28 can vertically descend through the self gravity of the inserting rod 24,
step three: finally, when the inserting rod 24 is inserted into the slot 25, the handle 7 stops rotating, and at the moment, the magnet II 27 arranged inside the inserting rod 24 and the magnet I26 arranged inside the slot 25 attract each other, so that the inserting rod 24 is fixed inside the slot 25, the position of the shielding curtain 28 is positioned, and the joint of the front assembly and the screen is shielded.
Compared with the prior art, the invention has the following beneficial effects:
1. the method for improving the contrast of the LED display screen and the LED display screen are characterized in that by arranging the adjusting mechanism, when the front assembly part and the rear assembly part are adjusted forwards and backwards, because the front assembly part and the rear assembly part are clamped, when the whole assembly part is adjusted forwards and backwards, the fixed frame body and the connecting frame body are fixedly connected, and the connecting part of the fixed frame body and the connecting frame body is provided with the chute, so that when the assembly part is adjusted forwards and backwards, the threaded rod is driven by an external driving source to rotate, the square sliding block in threaded connection with the threaded rod slides in the connecting frame body, the square sliding block is fixedly connected with the H-shaped sliding block, and the connecting part of the square sliding block and the H-shaped sliding block is in sliding connection with the chute, so that the H-shaped sliding block slides in the fixed frame body, the connecting long block is connected with the lower surface of the rear assembly part, the rotating shaft is fixedly connected with the inside of the connecting long block, and the rotating shaft is rotatably connected with the inside of the H-shaped sliding block, thereby driving the rotating shaft to move back and forth by the back and forth movement of the H-shaped sliding block, enabling the back assembly and the front assembly to move back and forth, and when adjusting the angle of the back assembly and the front assembly, the sliding block is enabled to move outwards in the fixed block by pulling the sliding block outwards, and simultaneously the spring between the sliding block and the fixed block is in a stretching state, and at the moment, the limit gear connected with the rotating shaft is rotated, so that the front assembly and the back assembly can adjust the angle, after the adjustment is completed, the pulling force on the sliding block is released, and under the reverse action of the spring, the tooth block connected with the sliding block is meshed on the outer surface of the limit gear, thereby fixing the adjusted angle, the structure can adjust the back and forth angle according to the requirement, thereby being convenient for observing the whole brightness of the display screen, and further improving the contrast according to the requirement, the light irradiated by the display screen is more in accordance with actual requirements, and the purpose of accurate lifting is achieved.
2. The LED display screen contrast improvement method and the LED display screen are characterized in that an installation frame body, a connecting shaft, an inserting rod, an inserting groove, a first magnet, a second magnet, a driving belt, a rotating rod, a handle and a shielding curtain are arranged, when the joint between a front assembly and a screen is shielded from light, the rotating rod connected with the handle is rotated by rotating the handle, the two ends inside the driving belt are respectively sleeved on the surface of the rotating rod and the connecting shaft in a transmission manner, so that the rotating rod rotates, the connecting shaft is driven by the driving belt to rotate, the shielding curtain wound on the outer surface of the connecting shaft descends, the inserting rod is respectively arranged on the two sides of the lower surface of the shielding curtain, the shielding curtain can vertically descend through the gravity of the inserting rod, when the inserting rod is inserted into the inserting groove, the handle stops rotating, and at the moment, the second magnet arranged inside the inserting rod and the first magnet arranged inside the inserting groove attract each other, make the inserted bar fix in the inside of slot, fix a position the position that shelters from the curtain, carry out the shading to preceding assembly and screen junction, the non-light tight condition appears in assembly and screen junction before can effectually avoiding in the setting of this structure, owing to shelter from curtain self and have the light absorption nature to make the shading effect better, further effectual whole luminance of observing the display screen improves the precision of mediation.
3. The method for improving the contrast of the LED display screen and the LED display screen control white signals and black signals, and simultaneously control the white signals within the saturation of 100% and 0%, and take Lux as a metering unit, the numerical value is controlled below the white value of 0%, the contrast is the division value of the blackest brightness unit and the whitest brightness unit, under the environment, the brighter the white and the darker the black, the higher the contrast is, the contrast is an important parameter of the liquid crystal display, and under a reasonable brightness value, the higher the contrast is, the richer the color levels can be displayed.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view of an adjusting mechanism according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic side sectional view of FIG. 1 in accordance with the present invention;
FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;
FIG. 6 is a schematic front sectional view of the FIG. 1 embodiment of the present invention.
In the figure: 1. a front assembly; 2. a supporting seat; 3. a rear assembly; 4. an adjustment mechanism; 5. a transmission belt; 6. rotating the rod; 7. a handle; 8. connecting the long blocks; 9. a rotating shaft; 10. an H-shaped slider; 11. fixing the frame body; 12. connecting the frame body; 13. a threaded rod; 14. a square slider; 15. a chute; 16. a limit gear; 17. an L-shaped connecting plate; 18. a spring; 19. a fixed block; 20. a slider; 21. a tooth block; 22. installing a frame body; 23. a connecting shaft; 24. inserting a rod; 25. a slot; 26. a magnet I; 27. a second magnet; 28. a shielding curtain.
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.
Referring to fig. 1-6, a method for improving contrast of an LED display screen and an LED display screen thereof includes: the front assembly part 1 and the rear assembly part 3, one side of the rear assembly part 3 is clamped with the front assembly part 1, two sides of the rear assembly part 3 are respectively provided with an adjusting mechanism 4, the adjusting mechanism 4 comprises a connecting long block 8, a rotating shaft 9, an H-shaped slide block 10, a fixed frame 11, a connecting frame 12, a threaded rod 13, a square slide block 14, a limit gear 16, a spring 18, a fixed block 19, a slide block 20 and a tooth block 21, the upper surface of the connecting long block 8 is fixedly connected with the lower surface of the rear assembly part 3, the outer surface of the rotating shaft 9 is fixedly connected with the inside of the connecting long block 8, the inside of the H-shaped slide block 10 is rotatably connected with the outer surface of the end part of the rotating shaft 9, the inner wall of the fixed frame 11 is slidably connected with the outer surface of the H-shaped slide block 10, the upper surface of the connecting frame 12 is fixedly connected with the lower surface of the fixed frame 11, the upper surface of the connecting frame 12 is provided with a sliding groove 15, and the sliding groove 15 penetrates through the lower surface of the fixed frame 11, the outer surface of the square sliding block 14 is connected with the inner wall of the connecting frame 12 in a sliding way, the upper surface of the connecting frame 12 is fixedly connected with the lower surface of the H-shaped sliding block 10, the outer surface of the joint of the connecting frame 12 and the H-shaped sliding block 10 is connected with the inner wall of the sliding groove 15 in a sliding way, two ends of the threaded rod 13 are connected with the inner wall of the connecting frame 12 in a rotating way, the inner part of the square sliding block 14 is connected with the outer surface of the threaded rod 13 in a threaded way, the inner part of the limit gear 16 is fixedly connected with the outer surface of the end part of the rotating shaft 9, one side of the outer surface of the tooth block 21 is engaged with the outer surface of the limit gear 16, one side of the sliding block 20 is fixedly connected with the upper surface of the other side of the tooth block 21, the outer surface of the sliding block 20 is connected with the inner wall of the fixed block 19 in a sliding way, one end of the spring 18 is fixedly connected with the other side of the sliding block 20, when the front assembly 1 and the rear assembly 3 are adjusted, because the front assembly unit 1 and the rear assembly unit 3 are clamped, when the whole assembly unit is adjusted, the fixed frame body 11 and the connecting frame body 12 are fixedly connected, and the connecting position of the fixed frame body 11 and the connecting frame body 12 is provided with the sliding groove 15, so when the front and rear assembly unit is adjusted, the threaded rod 13 is driven to rotate by an external driving source, the square slide block 14 in threaded connection with the threaded rod 13 slides in the connecting frame body 12, the square slide block 14 and the H-shaped slide block 10 are fixedly connected, and the connecting position of the square slide block 14 and the H-shaped slide block 10 is in sliding connection with the sliding groove 15, so that the H-shaped slide block 10 slides in the fixed frame body 11, the connecting long block 8 is connected with the lower surface of the rear assembly unit 3, the rotating shaft 9 is fixedly connected in the connecting long block 8, and the rotating shaft 9 is rotatably connected with the H-shaped slide block 10, so that the rotating shaft 9 is driven to move back and forth through the back and forth movement of the H-shaped slide block 10, so that the rear assembly unit 3 and the front assembly unit 1 can move back and forth, when carrying out the angle modulation to it, through outwards pulling sliding block 20, make sliding block 20 outwards move in the inside of fixed block 19, simultaneously with sliding block 20 and the spring 18 between the fixed block 19 be in tensile state, rotate the limit gear 16 with axis of rotation 9 is connected this moment, make preceding sub-assembly 1 and back sub-assembly 3 can carry out the regulation of angle, after the regulation is accomplished, relax the pulling force to sliding block 20, under the reverse action of spring 18, make the tooth piece 21 meshing of being connected with sliding block 20 at limit gear 16's surface, thereby fix the angle of adjustment, through above-mentioned structure, be convenient for observe the whole luminance of display screen, thereby can carry out the promotion of contrast according to the demand, make the light that the display screen shines accord with actual need more.
Wherein; the upper surface of the inner wall of the rear assembly 3 is fixedly connected with an installation frame 22, two side walls inside the installation frame 22 are rotatably connected with a connecting shaft 23, the outer surface of the connecting shaft 23 is wound with a shielding curtain 28, the outer surface of the shielding curtain 28 is movably connected with the installation frame 22, one side of the rear assembly 3 is rotatably connected with a rotating rod 6, the other end of the rotating rod 6 is fixedly connected with a handle 7, the outer surface of the rotating rod 6 is sleeved with a driving belt 5, one end of the connecting shaft 23 extends out of the rear assembly 3, one end of the connecting shaft 23 extending out of the rear assembly 3 is rotatably connected with the inner wall of the rear assembly 3, the other side inside the driving belt 5 is sleeved with the outer surface of one end of the connecting shaft 23 extending out of the rear assembly 3, two sides of the lower surface of the shielding curtain 28 are fixedly connected with inserting rods 24, two magnets 27 are fixedly installed inside the lower ends of the inserting rods 24, and two sides of the lower surface inside the rear assembly 3 are provided with inserting grooves 25, the inside fixed mounting of slot 25 has magnet 26, the inside joint of slot 25 has inserted bar 24, through rotating handle 7, make the dwang 6 connected with handle 7 rotate, because the inside both ends of drive belt 5 cup joint in the surface transmission of dwang 6 and connecting axle 23 respectively, thus when dwang 6 rotates, drive connecting axle 23 through drive belt 5 and rotate, make the sheltering from curtain 28 that twines at the connecting axle 23 surface descend, because sheltering from curtain 28 lower surface both sides and being provided with inserted bar 24 respectively, through the gravity of inserted bar 24 self, make sheltering from curtain 28 can descend vertically, when inserted bar 24 inserts the inside of slot 25, stop rotating handle 7, magnet two 27 that the inside of inserted bar 24 set up and the inside magnet 26 that sets up of slot 25 attract each other this moment, make inserted bar 24 fix in the inside of slot 25, fix a position of sheltering from curtain 28, and shading the joint of the front assembly and the screen.
Wherein; the lower surface of the fixed block 19 is fixedly connected with L-shaped connecting plates 17, the other sides of the L-shaped connecting plates 17 are fixedly connected with one side of the outer surface of the H-shaped sliding block 10, and two groups of L-shaped connecting plates 17 are arranged.
Wherein; two sets of tooth blocks 21 are arranged, the two sets of tooth blocks 21 are arranged on the outer surface of the limiting gear 16, and two sets of springs 18, fixing blocks 19 and sliding blocks 20 are arranged.
Wherein; the inner side of the limit gear 16 is movably connected with one side of the outer surface of the H-shaped sliding block 10, the threaded rod 13 is connected with an external driving source, and the lower surface of the connecting frame body 12 is fixedly connected with the supporting seat 2.
The working principle is that when in use, firstly, the rotating rod 6 connected with the handle 7 rotates by rotating the handle 7, because the two ends inside the transmission belt 5 are respectively in transmission sleeve connection with the surfaces of the rotating rod 6 and the connecting shaft 23, so that when the rotating rod 6 rotates, the driving belt 5 drives the connecting shaft 23 to rotate, so that the shielding curtain 28 wound on the outer surface of the connecting shaft 23 descends, because the two sides of the lower surface of the shielding curtain 28 are respectively provided with the inserting rods 24, the shielding curtain 28 can vertically descend through the self gravity of the inserting rods 24, when the inserted link 24 is inserted into the slot 25, the handle 7 stops rotating, at this time, the magnet two 27 arranged inside the inserted link 24 and the magnet one 26 arranged inside the slot 25 attract each other, so that the inserted link 24 is fixed inside the slot 25, the position of the screen cloth 28 is positioned to shade the junction of the front assembly and the screen.
When the front assembly part 1 and the rear assembly part 3 are adjusted forwards and backwards, because the front assembly part 1 and the rear assembly part 3 are clamped, when the whole assembly part is adjusted, the fixed frame body 11 and the connecting frame body 12 are fixedly connected, and the connecting part of the fixed frame body 11 and the connecting frame body 12 is provided with the sliding groove 15, so that when the assembly part is adjusted forwards and backwards, the threaded rod 13 is driven to rotate by an external driving source, the square slide block 14 in threaded connection with the threaded rod 13 slides in the connecting frame body 12, the square slide block 14 and the H-shaped slide block 10 are fixedly connected, and the connecting part of the square slide block 14 and the H-shaped slide block 10 is in sliding connection with the sliding groove 15, so that the H-shaped slide block 10 slides in the fixed frame body 11, the connecting long block 8 is connected with the lower surface of the rear assembly part 3, the rotating shaft 9 is fixedly connected in the connecting long block 8, and the rotating shaft 9 is rotatably connected with the inner part of the H-shaped slide block 10, so as to pass the forward and backward movement of the H-shaped slide block 10, the rotating shaft 9 is driven to move back and forth, so that the back assembly 3 and the front assembly 1 can move back and forth, when the angle of the sliding block is adjusted, the sliding block 20 moves outwards in the fixed block 19 by pulling the sliding block 20 outwards, while the spring 18 between the sliding block 20 and the fixed block 19 is in tension, at this time the limit gear 16 connected to the rotating shaft 9 is rotated, so that the angle of the front assembly part 1 and the rear assembly part 3 can be adjusted, after the adjustment is finished, the pulling force on the sliding block 20 is released, under the reverse action of the spring 18, the toothed block 21 connected with the sliding block 20 is engaged on the outer surface of the limit gear 16, thereby fixing the adjusted angle, and the whole brightness of the display screen can be observed conveniently through the structure, thereby can carry out the promotion of contrast as required for the light that the display screen shines accords with actual needs more.
A method for improving the contrast of an LED display screen comprises the following steps,
the method comprises the following steps: firstly, the rotating rod 6 connected with the handle 7 rotates by rotating the handle 7, and as the two ends in the transmission belt 5 are respectively in transmission sleeve connection with the surfaces of the rotating rod 6 and the connecting shaft 23, when the rotating rod 6 rotates, the connecting shaft 23 is driven to rotate by the transmission belt 5, the shielding curtain 28 wound on the outer surface of the connecting shaft 23 descends, white signals and black signals are controlled, and meanwhile, the saturation of the white signals at 100% and 0% is informed, Lux is taken as a metering unit, the numerical value is controlled below a white value of 0%, the contrast is a dividing value of a blackest brightness unit and a whitest brightness unit, the brighter and darker white and the darker black in the environment are higher, the contrast is an important parameter of the liquid crystal display, and the higher the contrast is the reasonable brightness value, and the richer the color gradation can be displayed.
Step two: secondly, the two sides of the lower surface of the shielding curtain 28 are respectively provided with an inserting rod 24, the shielding curtain 28 can vertically descend through the self gravity of the inserting rod 24,
step three: finally, when the inserting rod 24 is inserted into the slot 25, the handle 7 stops rotating, and at the moment, the magnet II 27 arranged inside the inserting rod 24 and the magnet I26 arranged inside the slot 25 attract each other, so that the inserting rod 24 is fixed inside the slot 25, the position of the shielding curtain 28 is positioned, and the joint of the front assembly and the screen is shielded.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An LED display screen, comprising: the front assembly part (1) and the rear assembly part (3), adjusting mechanisms (4) are arranged on two sides of the rear assembly part (3), each adjusting mechanism (4) comprises a connecting long block (8), a rotating shaft (9), an H-shaped sliding block (10), a fixed frame body (11), a connecting frame body (12), a threaded rod (13), a square sliding block (14), a limiting gear (16), a spring (18), a fixed block (19), a sliding block (20) and a tooth block (21), the upper surface of the connecting long block (8) is fixedly connected with the lower surface of the rear assembly part (3), the outer surface of the rotating shaft (9) is fixedly connected with the inside of the connecting long block (8), the inside of the H-shaped sliding block (10) is rotatably connected with the outer surface of the end part of the rotating shaft (9), the inner wall of the fixed frame body (11) is slidably connected with the outer surface of the H-shaped sliding block (10), and the upper surface of the connecting frame body (12) is fixedly connected with the lower surface of the fixed frame body (11), the upper surface of the connecting frame body (12) is provided with a sliding groove (15), the sliding groove (15) penetrates through the lower surface of the fixing frame body (11), the outer surface of the square sliding block (14) is in sliding connection with the inner wall of the connecting frame body (12), the upper surface of the connecting frame body (12) is fixedly connected with the lower surface of the H-shaped sliding block (10), the outer surface of the joint of the connecting frame body (12) and the H-shaped sliding block (10) is in sliding connection with the inner wall of the sliding groove (15), two ends of the threaded rod (13) are rotatably connected with the inner wall of the connecting frame body (12), the inner part of the square sliding block (14) is in threaded connection with the outer surface of the threaded rod (13), the inner part of the limit gear (16) is fixedly connected with the outer surface of the end part of the rotating shaft (9), one side of the outer surface of the tooth block (21) is meshed with the outer surface of the limit gear (16), one side of the sliding block (20) is fixedly connected with the upper surface of the other side of the tooth block (21), the outer surface of sliding block (20) and the inner wall sliding connection of fixed block (19), the one end of spring (18) and the inner wall fixed connection of fixed block (19), the other side fixed connection of the other end of spring (18) and sliding block (20).
2. The LED display screen of claim 1, wherein: the upper surface of the inner wall of the rear assembly (3) is fixedly connected with an installation frame body (22), two side walls inside the mounting frame body (22) are rotationally connected with connecting shafts (23), the outer surface of the connecting shaft (23) is wound with a shielding curtain (28), the outer surface of the shielding curtain (28) is movably connected with the mounting frame body (22), one side of the rear assembly part (3) is rotatably connected with a rotating rod (6), the other end of the rotating rod (6) is fixedly connected with a handle (7), the outer surface of the rotating rod (6) is sleeved with a transmission belt (5), one end of the connecting shaft (23) extends out of the rear assembly part (3), and one end of the connecting shaft (23) extending out of the rear assembly (3) is rotationally connected with the inner wall of the rear assembly (3), the other side of the interior of the transmission belt (5) is sleeved with the outer surface of one end of the assembly (3) after the connecting shaft (23) extends out.
3. The LED display screen of claim 1, wherein: the lower surface fixed connection of fixed block (19) has L type connecting plate (17), the opposite side of L type connecting plate (17) and the surface one side fixed connection of H type slider (10), L type connecting plate (17) are provided with two sets ofly.
4. The LED display screen of claim 1, wherein: the gear block (21) is provided with two sets, and two sets of gear blocks (21) all set up the surface at limit gear (16), spring (18), fixed block (19) and sliding block (20) all are provided with two sets ofly.
5. The LED display screen of claim 1, wherein: the inner side of the limiting gear (16) is movably connected with one side of the outer surface of the H-shaped sliding block (10), and the threaded rod (13) is connected with an external driving source.
6. The LED display screen of claim 2, wherein: the equal fixedly connected with inserted bar (24) in lower surface both sides of sheltering from curtain (28), the inside fixed mounting of lower extreme of inserted bar (24) has magnet two (27).
7. The LED display screen of claim 2, wherein: slot (25) have all been seted up to the inside lower surface both sides of back sub-assembly (3), the inside fixed mounting of slot (25) has magnet one (26), the inside joint of slot (25) has inserted bar (24).
8. The LED display screen of claim 1, wherein: one side joint of back sub-assembly (3) is preceding sub-assembly (1), the lower fixed surface of connecting frame body (12) is connected with supporting seat (2).
9. A method for improving the contrast of an LED display screen is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
the method comprises the following steps: firstly, the rotating rod 6 connected with the handle 7 rotates by rotating the handle 7, and as the two ends in the transmission belt 5 are respectively in transmission sleeve connection with the surfaces of the rotating rod 6 and the connecting shaft 23, when the rotating rod 6 rotates, the connecting shaft 23 is driven to rotate by the transmission belt 5, the shielding curtain 28 wound on the outer surface of the connecting shaft 23 descends, white signals and black signals are controlled, and meanwhile, the saturation of the white signals at 100% and 0% is informed, Lux is taken as a metering unit, the numerical value is controlled below a white value of 0%, the contrast is a dividing value of a blackest brightness unit and a whitest brightness unit, the brighter and darker white and the darker black in the environment are higher, the contrast is an important parameter of the liquid crystal display, and the higher the contrast is the reasonable brightness value, and the richer the color gradation can be displayed.
Step two: secondly, the two sides of the lower surface of the shielding curtain 28 are respectively provided with an inserting rod 24, the shielding curtain 28 can vertically descend through the self gravity of the inserting rod 24,
step three: finally, when the inserting rod 24 is inserted into the slot 25, the handle 7 stops rotating, and at this time, the second magnet 27 arranged inside the inserting rod 24 and the first magnet 26 arranged inside the slot 25 attract each other, so that the inserting rod 24 is fixed inside the slot 25, the position of the shielding curtain 28 is positioned, and the joint of the front assembly and the screen is shielded.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210645593.1A CN114974000B (en) | 2022-06-08 | 2022-06-08 | LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210645593.1A CN114974000B (en) | 2022-06-08 | 2022-06-08 | LED display screen |
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| CN114974000B CN114974000B (en) | 2023-12-05 |
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| KR19990041119U (en) * | 1998-05-13 | 1999-12-15 | 이철우 | Screen magnifier |
| KR101803722B1 (en) * | 2017-02-20 | 2017-12-28 | 주식회사 탑시스템 | A position control apparatus for a television receiver |
| CN209543036U (en) * | 2018-11-19 | 2019-10-25 | 天津科乐视觉光电技术有限公司 | A kind of laser display nanometer screen |
| CN213018498U (en) * | 2020-08-11 | 2021-04-20 | 天津高清亮科技发展有限公司 | LED screen fixing device convenient to adjust |
| CN214890293U (en) * | 2020-12-16 | 2021-11-26 | 深圳市中驰盛电子科技有限公司 | Injection molding workshop management and monitoring display device convenient to adjust |
| CN216119327U (en) * | 2021-09-22 | 2022-03-22 | 福建玉池环境科技有限公司 | Terminal device of integrated direct drinking water charging system |
| CN216212031U (en) * | 2021-11-01 | 2022-04-05 | 吴佳豪 | Data visualization display device |
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2022
- 2022-06-08 CN CN202210645593.1A patent/CN114974000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990041119U (en) * | 1998-05-13 | 1999-12-15 | 이철우 | Screen magnifier |
| KR101803722B1 (en) * | 2017-02-20 | 2017-12-28 | 주식회사 탑시스템 | A position control apparatus for a television receiver |
| CN209543036U (en) * | 2018-11-19 | 2019-10-25 | 天津科乐视觉光电技术有限公司 | A kind of laser display nanometer screen |
| CN213018498U (en) * | 2020-08-11 | 2021-04-20 | 天津高清亮科技发展有限公司 | LED screen fixing device convenient to adjust |
| CN214890293U (en) * | 2020-12-16 | 2021-11-26 | 深圳市中驰盛电子科技有限公司 | Injection molding workshop management and monitoring display device convenient to adjust |
| CN216119327U (en) * | 2021-09-22 | 2022-03-22 | 福建玉池环境科技有限公司 | Terminal device of integrated direct drinking water charging system |
| CN216212031U (en) * | 2021-11-01 | 2022-04-05 | 吴佳豪 | Data visualization display device |
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| CN114974000B (en) | 2023-12-05 |
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