Brightness light supplementing device of liquid crystal display screen
By using a bracket, fixed frame, compression column, and magnetic adsorption design, the problem of LCD screen fill lights being unable to adapt to different screen shapes and thicknesses is solved, achieving stable fixation and convenient maintenance.
Patent Information
- Application Number
- CN202520424347.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-12
AI Technical Summary
Existing LCD screen fill lights cannot adapt to both flat and curved screens simultaneously, and their fixing methods are inflexible, resulting in poor versatility.
A supplementary lighting device was designed, comprising a bracket, a fixed frame, extrusion columns, a cavity, a fixed column, and a transmission mechanism. It achieves stable fixation of screens of multiple angles and thicknesses through magnetic adsorption and spring extrusion. The transmission mechanism facilitates the synchronous downward movement of the four extrusion columns, and the magnets allow for easy replacement of supplementary lights.
It enables the stable fixation of the supplementary lighting device on curved and flat screens, adapts to screens of different thicknesses, and facilitates the maintenance and cleaning of the supplementary lighting, thereby improving the applicability and ease of use of the device.
Smart Images
Figure CN223939351U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of brightness enhancement devices, specifically a brightness enhancement device for a liquid crystal display screen. Background Technology
[0002] In existing technologies, it's common to integrate a supplementary LED light (screen light) onto the top of the display screen. The purpose is to improve light uniformity: the display screen itself has a limited light adjustment range and often only illuminates the screen area. Insufficient or uneven ambient light forces the eyes to constantly adjust their gaze to adapt to different lighting conditions when switching between the screen and the desktop (such as a keyboard or documents), increasing eye strain. The supplementary light (screen light) provides uniform light, ensuring the eyes are in a relatively consistent lighting environment whether looking at the screen or the desktop, helping to reduce eye fatigue.
[0003] Existing LCD screen fill lights (screen lights) are already very mature. They are generally fixed to the top of the screen by a snap-fit mechanism. However, there is a drawback: existing LCD screens include both flat and curved screens. If the snap-fit mechanism is curved, it cannot be used on a flat screen, and if the mechanism is flat, it cannot be fixed to a curved screen. This results in poor versatility. Therefore, an improved LCD screen brightness fill light device is needed to address this problem. Summary of the Invention
[0004] The purpose of this invention is to provide a brightness enhancement device for a liquid crystal display screen to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a brightness supplementation device for a liquid crystal display screen, comprising a bracket, a display screen being mounted on the upper end of the bracket, and a supplementation mechanism for supplementing light being mounted on the upper end of the display screen. The supplementation mechanism includes a fixed frame, extrusion columns, a cavity, and a fixed column. The fixed frame is movably fitted onto the outer surface of the upper end of the display screen. Extrusion columns are movably inserted at the four corners of the lower surface of the fixed frame. A cavity is provided at the upper end of the fixed frame. Fixed columns are movably inserted at the four corners of the cavity. A supplementary light is mounted on one side of the fixed frame. A transmission mechanism for pushing the fixed column downwards is provided inside the cavity.
[0006] Preferably, the transmission mechanism includes a movable plate, a connecting plate, and a screw. The movable plate is movably engaged at the upper end of the cavity, and the connecting plate is fixedly disposed at the upper end of the cavity. The screw is movably engaged in the middle of the inner side of the connecting plate through a thread. The transmission mechanism enables the device to push four fixed columns downward at one time, thereby facilitating the one-time fixing of four extrusion columns and making the device easy to use.
[0007] Preferably, the lower end of the screw is movably connected to the movable plate through an annular groove, so that the screw can rotate relative to the movable plate, but cannot be displaced relative to the movable plate, so that when the screw rotates, it drives the movable plate to move up and down inside the cavity.
[0008] Preferably, a limiting block is fixedly provided at one end of the extrusion column, and a spring is sleeved on the outer surface of the extrusion column between the limiting block and the fixed frame. One end of the spring is fixedly connected to the limiting block, and the other end of the spring is fixedly connected to the outer surface of the fixed frame, so that the spring can contract to drive the extrusion column to press against the outer surface of the display screen.
[0009] Preferably, a first magnet is fixedly disposed on the outer surface of the fill light, and a second magnet is fixedly disposed on the surface of the fixing frame. This device can fix the fill light and the fixing frame by attracting the second magnet with the first magnet. This allows the fill light to be removed for maintenance and cleaning without disassembling the fixing frame when needed, making the device more convenient to use.
[0010] Preferably, the first magnet and the second magnet have opposite magnetic poles. By using the principle of attraction between opposite poles, the first magnet can attract the second magnet, thereby fixing the supplementary light.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. The fixing method of this utility model allows the four extrusion columns to move freely, enabling the device to be well fixed to both curved and flat screens. It can also adapt to displays of different thicknesses, thus significantly improving the applicability of the device and facilitating its widespread use.
[0013] 2. This utility model uses the first magnet to attract the second magnet to fix the fill light and the fixed frame. This allows the fill light to be removed for maintenance and cleaning without disassembling the fixed frame when needed, making the device more convenient to use. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of a brightness enhancement device for a liquid crystal display screen according to the present invention.
[0015] Figure 2 This is a disassembled view of the supplementary light lamp in the brightness supplementary light device for a liquid crystal display screen according to this utility model;
[0016] Figure 3 This is a side view of a brightness enhancement device for a liquid crystal display screen according to the present invention;
[0017] Figure 4 This utility model relates to a brightness enhancement device for a liquid crystal display screen. Figure 2 Enlarged view of point A in the middle;
[0018] Figure 5 This utility model relates to a brightness enhancement device for a liquid crystal display screen. Figure 3 A magnified view of point B in the middle.
[0019] In the diagram: 1. Bracket; 2. Display screen; 3. Fixed frame; 4. Extrusion column; 5. Cavity; 6. Fixed column; 7. Fill light; 8. Movable plate; 9. Connecting plate; 10. Screw; 11. Limiting block; 12. Spring; 13. First magnet; 14. Second magnet. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-5 This utility model provides a technical solution: a brightness supplementation device for a liquid crystal display screen 2, including a bracket 1, with a display screen 2 mounted on the upper end of the bracket 1. A supplementation mechanism for supplementing light is mounted on the upper end of the display screen 2. The supplementation mechanism includes a fixed frame 3, extrusion columns 4, a cavity 5, and fixed columns 6. The fixed frame 3 is movably fitted onto the outer surface of the upper end of the display screen 2. Extrusion columns 4 are movably inserted at the four corners of the lower surface of the fixed frame 3. A cavity 5 is provided at the upper end of the fixed frame 3. Fixed columns 6 are movably inserted at the four corners of the cavity 5. A supplementary light 7 is provided on one side of the fixed frame 3. A transmission mechanism for pushing the fixed columns 6 downward is provided inside the cavity 5.
[0022] The transmission mechanism includes a movable plate 8, a connecting plate 9, and a screw 10. The movable plate 8 is movably engaged at the upper end of the cavity 5, and the connecting plate 9 is fixedly installed at the upper end of the cavity 5. The screw 10 is movably engaged in the middle of the inner side of the connecting plate 9 through a thread. Through the transmission mechanism, the device can push the four fixed columns 6 downward at one time, thereby facilitating the one-time fixing of the four extrusion columns 4 and making the device easy to use.
[0023] The lower end of the screw 10 is movably connected to the movable plate 8 through an annular groove, so that the screw 10 can rotate relative to the movable plate 8, but cannot be displaced relative to the movable plate 8, so that when the screw 10 rotates, it drives the movable plate 8 to move up and down inside the cavity 5.
[0024] One end of the extrusion column 4 is fixedly provided with a limiting block 11. A spring 12 is sleeved on the outer surface of the extrusion column 4 between the limiting block 11 and the fixed frame 3. One end of the spring 12 is fixedly connected to the limiting block 11, and the other end of the spring 12 is fixedly connected to the outer surface of the fixed frame 3, so that the spring 12 can contract and drive the extrusion column 4 to press against the outer surface of the display screen 2.
[0025] A first magnet 13 is fixedly installed on the outer surface of the fill light 7, and a second magnet 14 is fixedly installed on the surface of the fixing frame 3. This device can fix the fill light 7 and the fixing frame 3 by attracting the second magnet 14 with the first magnet 13. This allows the fill light 7 to be removed for maintenance and cleaning without removing the fixing frame 3 when needed, making the device more convenient to use.
[0026] The first magnet 13 and the second magnet 14 have opposite magnetic poles. Through the principle of attraction between opposite poles, the first magnet 13 can attract the second magnet 14, thereby fixing the supplementary light 7.
[0027] Working principle: When using this device, the fixing frame 3 is fixed first when fixing the supplementary light 7. The fixing frame 3 is placed on the upper part of the display screen 2. To prevent the squeezing column 4 from obstructing the view, the squeezing column 4 is pulled to open it. After the fixing frame 3 is placed on the outer surface of the display screen 2, the spring 12 uses its own elasticity to drive the squeezing column 4, causing it to automatically and tightly press and fix itself to the outer surface of the display screen 2. This initially completes the fixing of the fixing frame 3. However, at this point, the spring 12 alone is not enough to drive the squeezing column 4. Simply pressing the frame 3 is not enough. At this point, the fixing column 6 can be moved down and then pressed against the outer surface of the upper end of the pressing column 4. This friction can improve the fixing effect of the pressing column 4, thereby improving the fixing effect of the frame 3. With this fixing method, since all four pressing columns 4 can move freely, the device can fix both curved and flat screens well, and can also adapt to display screens 2 of different thicknesses. This significantly improves the applicability of the device and makes it easier to promote its use.
[0028] Furthermore, when using this device, the fill light 7 and the fixing frame 3 can be fixed by the first magnet 13 attracting the second magnet 14. This allows the fill light 7 to be removed for maintenance and cleaning without disassembling the fixing frame 3 when needed, making the device more convenient to use.
[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A brightness enhancement device for a liquid crystal display screen, comprising a bracket (1), characterized in that: The support (1) is provided with a display screen (2) at its upper end. The display screen (2) is provided with a supplementary lighting mechanism at its upper end. The supplementary lighting mechanism includes a fixed frame (3), a squeezing column (4), a cavity (5), and a fixed column (6). The fixed frame (3) is movably fitted on the outer surface of the upper end of the display screen (2). Squeezing columns (4) are movably inserted at the four corners of the lower surface of the fixed frame (3). A cavity (5) is provided at the upper end of the fixed frame (3). Fixed columns (6) are movably inserted at the four corners of the cavity (5). A supplementary light (7) is provided on one side of the fixed frame (3). A transmission mechanism for pushing the fixed column (6) downward is provided inside the cavity (5).
2. The brightness enhancement device for a liquid crystal display screen according to claim 1, characterized in that: The transmission mechanism includes a movable plate (8), a connecting plate (9), and a screw (10). The movable plate (8) is movably engaged at the upper end of the cavity (5), and the connecting plate (9) is fixedly disposed at the upper end of the cavity (5). The screw (10) is movably engaged in the middle of the inner side of the connecting plate (9) through a thread.
3. The brightness enhancement device for a liquid crystal display screen according to claim 2, characterized in that: The lower end of the screw (10) is movably connected to the movable plate (8) through an annular groove, so that the screw (10) can rotate relative to the movable plate (8), but cannot be displaced relative to the movable plate (8), so that when the screw (10) rotates, it drives the movable plate (8) to move up and down inside the cavity (5).
4. The brightness enhancement device for a liquid crystal display screen according to claim 1, characterized in that: One end of the extrusion column (4) is fixedly provided with a limiting block (11). A spring (12) is sleeved on the outer surface of the extrusion column (4) between the limiting block (11) and the fixed frame (3). One end of the spring (12) is fixedly connected to the limiting block (11), and the other end of the spring (12) is fixedly connected to the outer surface of the fixed frame (3), so that the spring (12) can contract and drive the extrusion column (4) to press against the outer surface of the display screen (2).
5. The brightness enhancement device for a liquid crystal display screen according to claim 1, characterized in that: The outer surface of the supplementary light (7) is fixedly provided with a first magnet (13), and the surface of the fixing frame (3) is fixedly provided with a second magnet (14).
6. The brightness enhancement device for a liquid crystal display screen according to claim 5, characterized in that: The first magnet (13) and the second magnet (14) are adjacent to opposite magnetic poles.