CN220526151U - Liquid crystal display with adjustable brightness - Google Patents
Liquid crystal display with adjustable brightness Download PDFInfo
- Publication number
- CN220526151U CN220526151U CN202322255546.9U CN202322255546U CN220526151U CN 220526151 U CN220526151 U CN 220526151U CN 202322255546 U CN202322255546 U CN 202322255546U CN 220526151 U CN220526151 U CN 220526151U
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- source group
- display screen
- backlight source
- brightness
- connecting rod
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 16
- 241000309551 Arthraxon hispidus Species 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 101000894525 Homo sapiens Transforming growth factor-beta-induced protein ig-h3 Proteins 0.000 description 1
- 102100021398 Transforming growth factor-beta-induced protein ig-h3 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 208000028485 lattice corneal dystrophy type I Diseases 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of displays, and particularly relates to a liquid crystal display with adjustable brightness, which comprises a shell, wherein a display screen is arranged on the front surface of the shell, a first backlight source group, a second backlight source group and a third backlight source group are respectively arranged in the display screen, the first backlight source group is positioned on the left side and the right side of the display screen, the second backlight source group is positioned on the upper side and the lower side of the display screen, the third backlight source group is positioned in the middle of the display screen, and a fixing buckle is fixedly connected to the back surface of the shell. The brightness of the first backlight source group, the second backlight source group and the third backlight source group is independently adjusted, so that the brightness of any side of the display screen is adjusted, different brightness of the display screen is adjusted, reflection problems are caused by better corresponding external reasons in different directions, and the first backlight source group, the second backlight source group and the third backlight source group are controlled to adjust the overall brightness, so that the display screen is more convenient to use.
Description
Technical Field
The utility model belongs to the technical field of displays, and particularly relates to a liquid crystal display with adjustable brightness.
Background
The display is a computer output device. It is a display tool for displaying certain electronic files on a screen through a specific transmission device. It can be classified into a cathode ray tube display (CRT), a plasma display PDP, and a liquid crystal display LCD1.
The utility model discloses a display screen for household appliances with adjustable brightness, which comprises a shell, wherein release paper hand-tearing feet are arranged at four corners of the front face of the shell, a liquid crystal display is fixedly connected to the center of the back face of the shell, the back face of the liquid crystal display penetrates through an inner cavity of the shell, double faced adhesive tapes are arranged at the top and the bottom of the front face of the shell, and a sensor is fixedly connected to the top of the front face of the shell. The utility model achieves the advantage of adjustable brightness by arranging the double faced adhesive tape, the sensor, the circuit board, the multimedia interface, the bus interface, the external power supply interface, the flexible circuit board and the electronic element to be matched with each other, solves the problem that the existing display screen for household appliances does not have the function of adjustable brightness, and ensures that the display screen for household appliances can adjust the brightness of the display screen according to the intensity of light rays when in use, thereby being convenient for users to use and improving the practicability of the display screen for household appliances.
However, in the above-mentioned document, the whole brightness can only be adjusted, and the adjustment of the partial brightness cannot be performed well, because in normal practical use, the reflection of light on one side of the display is serious due to the influence of external reasons such as reflection of light, so that people cannot see clearly, and the adjustment of the partial brightness cannot be performed well, so that the adjustment efficiency is low, and the practicability is affected.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a liquid crystal display with adjustable brightness, which solves the problem of low adjustment efficiency.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a liquid crystal display with adjustable luminance, includes the casing, the front of casing is provided with the display screen, the inside of display screen is provided with first backlight group, second backlight group and third backlight group respectively, first backlight group is located the left and right sides of display screen, second backlight group is located the upper and lower both sides of display screen, third backlight group is located the middle part of display screen, the back fixedly connected with of casing is fixed detains, the bottom of fixed knot has first connecting rod through connecting pin swing joint, the one end bottom of first connecting rod has the second connecting rod through first connecting axle swing joint, the one end bottom of second connecting rod has the installation piece through second connecting axle swing joint, the one end bottom fixed mounting that the second connecting rod is close to first connecting axle has the motor, the output of motor is connected with the driving gear, the bottom surface mounting of first connecting axle has driven gear.
Preferably, the driving gear and the driven gear are meshed with each other.
Preferably, the junction of second connecting rod and second connecting axle sets up to sink the groove, and the second connecting axle is located the sink inslot, and the top surface of second connecting axle is less than the top surface of second connecting rod.
Preferably, the surface of the connection part of the first connecting shaft and the first connecting rod is provided with a bump, the interior of the connection part of the first connecting rod and the first connecting shaft is provided with a groove, and the bump on the first connecting shaft is mutually matched with the groove in the first connecting rod.
Preferably, the side surface of one end of the first connecting rod, which is close to the first connecting shaft, is fixedly connected with a protection block, the bottom of one end of the second connecting rod, which is close to the first connecting shaft, is provided with a protection cover, and the motor, the driving gear and the driven gear are positioned in the protection cover.
Preferably, the fixing buckle, the first connecting rod, the second connecting rod, the mounting block and the motor are all provided with two groups, and the two groups are symmetrically arranged.
Compared with the prior art, the utility model has the beneficial effects that:
the brightness of the first backlight source group, the second backlight source group and the third backlight source group is independently adjusted, so that the brightness of any side of the display screen is adjusted, the display screen is adjusted to be different in brightness, reflection problems are caused by external reasons which better correspond to different directions, the first backlight source group, the second backlight source group and the third backlight source group are controlled to adjust the overall brightness, the use is more convenient, and meanwhile, the display screen is adjusted by adjusting the angle between the two groups of first connecting rods and the second connecting rods, so that the display screen is watched at different positions, the use is more convenient, and the efficiency is higher.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the complete structure of the present utility model;
FIG. 2 is an internal block diagram of the present utility model;
FIG. 3 is a rear view block diagram of the present utility model;
FIG. 4 is a rear view partial block diagram of the present utility model;
fig. 5 is an exploded view of the component of the present utility model.
In the figure: 1. a housing; 2. a display screen; 3. a first backlight source group; 4. a second backlight source group; 5. a third backlight source group; 6. a protective cover; 7. a fixing buckle; 8. a first connecting rod; 9. a second connecting rod; 10. a mounting block; 11. a protective block; 12. a motor; 13. a drive gear; 14. a driven gear; 15. a first connecting shaft; 16. a groove; 17. a bump; 18. a sinking groove; 19. and a second connecting shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a liquid crystal display with adjustable luminance, which comprises a housin 1, the front of casing 1 is provided with display screen 2, the inside of display screen 2 is provided with first backlight group 3 respectively, second backlight group 4 and third backlight group 5, first backlight group 3 is located the left and right sides of display screen 2, second backlight group 4 is located the upper and lower both sides of display screen 2, third backlight group 5 is located the middle part of display screen 2, the back fixedly connected with of casing 1 is fixed detaining 7, the bottom of fixed detaining 7 is through connecting pin swing joint has head rod 8, the one end bottom of head rod 8 is through first connecting axle 15 swing joint has second connecting rod 9, the one end bottom of second connecting rod 9 is through second connecting axle 19 swing joint has installation piece 10, the one end bottom that second connecting rod 9 is close to first connecting axle 15 is fixed mounting motor 12, the output of motor 12 is connected with driving gear 13, the bottom surface of first connecting axle 15 installs driven gear 14; the driving gear 13 is meshed with the driven gear 14; the fixing buckle 7, the first connecting rod 8, the second connecting rod 9, the mounting block 10 and the motor 12 are all provided with two groups which are symmetrically arranged.
In this embodiment, drive driving gear 13 rotation simultaneously through two sets of motors 12, through driving gear 13 and driven gear 14 intermeshing, thereby make driven gear 14 rotate, drive first connecting axle 15 through driven gear 14 and rotate, from the angle between two sets of head rods 8 of simultaneous adjustment and the second connecting rod 9, when the angle between two sets of head rods 8 and the second connecting rod 9 become big simultaneously, thereby carry out whole outwards removal with display screen 2, thereby better adjustment is to the angle that personnel more conveniently watched, simultaneously when the angle between two sets of head rods 8 and the second connecting rod 9 become big differently, incline display screen 2, thereby more convenient personnel watch in different positions, it is more convenient to use, and efficiency is higher.
The junction of second connecting rod 9 and second connecting axle 19 sets up to sink groove 18, and second connecting axle 19 is located sink groove 18, and the top surface of second connecting axle 19 is less than the top surface of second connecting rod 9.
In this embodiment, the top surface of the second connecting shaft 19 is lower than the top surface of the second connecting rod 9, so that the second connecting shaft 19 better enters the lower part of the first connecting rod 8 as a whole when the second connecting shaft 19 and the first connecting rod 8 are overlapped, and the second connecting shaft is better returned again, so that no angle exists between the second connecting shaft and the first connecting rod 8.
The surface of the junction of the first connecting shaft 15 and the first connecting rod 8 is provided with a bump 17, the interior of the junction of the first connecting rod 8 and the first connecting shaft 15 is provided with a groove 16, and the bump 17 on the first connecting shaft 15 is mutually matched with the groove 16 in the first connecting rod 8.
In this embodiment, after the motor 12 drives the driven gear 14 to rotate through the driving gear 13, the driven gear 14 drives the first connecting shaft 15 to rotate, and the protrusion 17 on the first connecting shaft 15 is mutually matched with the groove 16 in the first connecting rod 8, so that the first connecting shaft 15 drives the first connecting rod 8 to rotate when rotating, thereby adjusting the angle between the first connecting rod 8 and the second connecting rod 9, enabling the angle between the first connecting rod 8 and the second connecting rod 9 to be more convenient and the adjusting angle to be more stable.
The side surface of one end of the first connecting rod 8, which is close to the first connecting shaft 15, is fixedly connected with a protection block 11, the bottom of one end of the second connecting rod 9, which is close to the first connecting shaft 15, is provided with a protection cover 6, and the motor 12, the driving gear 13 and the driven gear 14 are positioned in the protection cover 6.
In this embodiment, the protection block 11 better prevents to cause damage to the shell 1 when the display screen 2 is reset, and simultaneously, the protection motor 12 better protects the safety of the motor through the protection cover 6, and simultaneously better prevents to cause damage to personnel.
Working principle: when in use, the brightness of any one side of the left side and the right side of the display screen 2 is adjusted by independently adjusting the brightness of the first backlight source group 3, so that the left side and the right side of the display screen 2 can be better adjusted to different brightness, the reflection problem is caused by better corresponding external reasons in different directions, so that people can watch the content on the display screen 2 better, meanwhile, the brightness of any one side of the upper side and the lower side of the display screen 2 is adjusted by independently adjusting the brightness of the second backlight source group 4, the different brightness is better adjusted on the upper side and the lower side of the display screen 2, the reflection problem is caused by better corresponding external reasons in different directions, the brightness in the middle of the display screen 2 is adjusted by independently controlling the third backlight source group 5, and the integral brightness is adjusted by controlling the first backlight source group 3, the second backlight source group 4 and the third backlight source group 5, the use is more convenient, the driving gear 13 is driven to rotate through the two groups of motors 12 simultaneously through the mounting blocks 10 and is driven to rotate on the outside such as a wall surface, the driven gear 14 is meshed with the driving gear 13, so that the driven gear 14 rotates, the driven gear 14 drives the first connecting shaft 15 to rotate, the angles between the two groups of first connecting rods 8 and the second connecting rods 9 are adjusted simultaneously, the display screen 2 is moved outwards integrally when the angles between the two groups of first connecting rods 8 and the second connecting rods 9 are simultaneously enlarged, the display screen 2 is adjusted to an angle which is more convenient for people to watch, the display screen 2 is inclined when the angles between the two groups of first connecting rods 8 and the second connecting rods 9 are different from each other, so that the people can watch at different positions more conveniently, the use is more convenient, and the efficiency is higher.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to description of the specification and the drawings, specific connection modes of the parts adopt conventional means such as mature rivets and welding in the prior art, machines, parts and equipment adopt conventional types in the prior art, and circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the technical field of the prior art is not described in detail in the specification.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A liquid crystal display with adjustable brightness, comprising a housing (1), characterized in that: the front of casing (1) is provided with display screen (2), the inside of display screen (2) is provided with first back light source group (3), second back light source group (4) and third back light source group (5) respectively, first back light source group (3) are located the left and right sides of display screen (2), second back light source group (4) are located the upper and lower both sides of display screen (2), third back light source group (5) are located the middle part of display screen (2), the back fixedly connected with of casing (1) is fixed knot (7), the bottom of fixed knot (7) is through connecting pin swing joint head rod (8), the one end bottom of head rod (8) is through first connecting axle (15) swing joint head rod (9), the one end bottom of head rod (9) is through second connecting axle (19) swing joint head rod (10), the one end bottom that second connecting rod (9) is close to first connecting axle (15) is fixed to install motor (12), the output end (14) is connected with driving gear (13) and is connected with first gear (14).
2. A brightness adjustable liquid crystal display according to claim 1, wherein: the driving gear (13) is meshed with the driven gear (14).
3. A brightness adjustable liquid crystal display according to claim 1, wherein: the connection part of the second connecting rod (9) and the second connecting shaft (19) is provided with a sinking groove (18), the second connecting shaft (19) is positioned in the sinking groove (18), and the top surface of the second connecting shaft (19) is lower than the top surface of the second connecting rod (9).
4. A brightness adjustable liquid crystal display according to claim 1, wherein: the surface of first connecting axle (15) and head rod (8) junction is provided with lug (17), the inside of head rod (8) and first connecting axle (15) junction is provided with recess (16), lug (17) on first connecting axle (15) and recess (16) in head rod (8) mutually support.
5. A brightness adjustable liquid crystal display according to claim 1, wherein: the protection device is characterized in that a protection block (11) is fixedly connected to the side face of one end, close to the first connecting shaft (15), of the first connecting rod (8), a protection cover (6) is arranged at the bottom of one end, close to the first connecting shaft (15), of the second connecting rod (9), and the motor (12), the driving gear (13) and the driven gear (14) are located in the protection cover (6).
6. A brightness adjustable liquid crystal display according to claim 1, wherein: the fixing buckle (7), the first connecting rod (8), the second connecting rod (9), the mounting block (10) and the motor (12) are arranged in two groups which are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322255546.9U CN220526151U (en) | 2023-08-22 | 2023-08-22 | Liquid crystal display with adjustable brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322255546.9U CN220526151U (en) | 2023-08-22 | 2023-08-22 | Liquid crystal display with adjustable brightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220526151U true CN220526151U (en) | 2024-02-23 |
Family
ID=89934319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322255546.9U Active CN220526151U (en) | 2023-08-22 | 2023-08-22 | Liquid crystal display with adjustable brightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220526151U (en) |
-
2023
- 2023-08-22 CN CN202322255546.9U patent/CN220526151U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |