Liquid crystal display panel with edge blue light suppression structure

Abstract

The utility model discloses a liquid crystal display screen with edge blue light suppression structure, including base, the base is fixed with the sealing cover through the back adhesive, and its inside is equipped with display component, is equipped with the back light board on the display component, and the back light board is equipped with multiple groups of lamp pearl equidistance, the back light board covers and has the side stop seat, and the side stop seat covers and has quantum film, be equipped with lower light -enhancing film on the quantum film, and the lower light -enhancing film covers and has upper light -enhancing film. The liquid crystal display screen with edge blue light suppression structure, guarantee lamp pearl normal luminous not to be blocked, can effectively block blue light from the disorderly overflow of lamp pearl side, can ensure that the display screen has sufficient and even brightness, guarantees picture display clear, color restoration accurate, satisfies normal visual observation demand, can reduce the direct or indirect irradiation of blue light overflowed to human eye on side simultaneously, reduces the stimulation of blue light to eye when watching for a long time, alleviates visual fatigue, protects the health of using eyes.

Description

Technical Field

[0001] This utility model relates to the field of liquid crystal displays, specifically a liquid crystal display with an edge blue light suppression structure. Background Technology

[0002] LCD screens are flat, ultra-thin display devices composed of a certain number of color or monochrome pixels, placed in front of a light source or reflector. LCD screens have seen rapid development due to their advantages such as thinness, energy efficiency, no radiation, and soft image quality. Although heat generation is considered in the design of LCD screens, they inevitably generate high temperatures under different usage conditions, such as high-temperature environments or sunlight exposure. High internal temperatures can affect the lifespan of electronic products. Current LCD screens lack active cooling functions, relying entirely on ventilation holes on the casing for heat dissipation, which is ineffective. Furthermore, external dust can easily enter the LCD screen, also affecting its lifespan.

[0003] To address the aforementioned issues, a search revealed Chinese patent CN213582934U, which discloses a high-efficiency heat-dissipating liquid crystal display screen. The screen includes a first support plate, a liquid crystal display screen body, a first bolt, and a dustproof and heat-dissipating assembly. Multiple sets of first threaded holes are provided at both the top and bottom ends of the liquid crystal display screen body, and multiple sets of first heat dissipation holes are provided at both the left and right ends of the liquid crystal display screen body. The first bolt engages with the first threaded holes. Multiple sets of second through holes are provided on the side sealing plate, with the second through holes corresponding to the second threaded holes.

[0004] While the aforementioned device can efficiently dissipate heat from the LCD screen, in actual use, the LED beads of the backlight module are mostly distributed inside the screen bezel. The white light emitted is actually a mixture of "blue light-excited phosphors," which contains a large amount of blue light. There are tiny gaps at the joint between the screen bezel and the backlight module, or the light guide plate and diffusion film at the edge of the module fail to completely block the light, causing blue light to overflow from all sides of the screen, forming visible blue light edges, which affects the user experience. Utility Model Content

[0005] The purpose of this invention is to provide a liquid crystal display screen with an edge blue light suppression structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, a liquid crystal display screen with an edge blue light suppression structure is provided, including a base, a sealing cover fixed to the base by adhesive, and a display component inside the base. The display component is provided with a backlight panel, and multiple sets of LED beads are equidistantly arranged on the backlight panel. A side baffle is covered on the backlight panel, and a quantum film is covered on the side baffle. A lower brightness enhancement film is provided on the quantum film, and an upper brightness enhancement film is covered on the lower brightness enhancement film.

[0007] Furthermore, the base has multiple sets of equidistantly distributed heat sinks fixed to its bottom, and the heat sinks are serrated, with multiple sets of flow areas equidistantly opened on the heat sinks.

[0008] Furthermore, the base is provided with four sets of filling buffer seats, and the filling buffer seats are trapezoidal. The backlight panel is provided with four sets of trapezoidal receiving grooves on the outside, and the filling buffer seats are snapped into the receiving grooves.

[0009] Furthermore, the LEDs on the backlight panel are 3006 blue LEDs with a wavelength of 450nm; the side baffles are provided with multiple sets of side baffles at equal intervals, and the multiple sets of side baffles are distributed opposite to the multiple sets of LEDs.

[0010] Furthermore, the area of ​​the side opening is larger than the area of ​​the LED bead, and the depth of the side opening is equal to twice the height of the LED bead.

[0011] Furthermore, the sealing cover has a U-shaped cross-section, with an outer card holder fixed on its outer side and an inner baffle wall on its inner side. The inner baffle wall is attached to the inner side of the base, and the outer card holder is snapped onto the outer side of the base.

[0012] Furthermore, the bottom of the sealing cover is provided with a light-blocking ring, which covers the inner side of the base, and the light-blocking ring is rectangular.

[0013] Furthermore, the backlight panel is provided with a quantum film, a lower brightness enhancement film and an upper brightness enhancement film distributed in layers, and the thickness of the quantum film is 0.3 mm.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. In this solution: To achieve stable installation and buffer protection of the backlight panel within the base, a filling buffer seat is snapped into the receiving groove to prevent the backlight panel from shifting or being damaged due to vibration during use; the snap-fit ​​between the filling buffer seat and the receiving groove effectively improves the installation stability and buffering performance of the backlight panel within the base, preventing vibration from damaging components such as LEDs.

[0016] 2. This solution features multiple sets of side baffles evenly spaced on the side brackets, opposite to the LED beads. This ensures that the LED beads emit light normally without obstruction, while effectively preventing disorderly blue light from spilling out from the sides of the LED beads. It ensures sufficient and uniform brightness on the display screen, guaranteeing clear image display and accurate color reproduction, meeting normal visual viewing needs. Simultaneously, it significantly reduces the direct or indirect exposure of the eyes to blue light spilling from the sides, reducing eye strain during prolonged viewing, alleviating visual fatigue, and protecting eye health. Furthermore, it prevents disordered blue light from the sides from interfering with the normal operation of other components inside the display screen, reducing crosstalk issues, improving the overall display stability and image quality, and extending the lifespan of the display screen.

[0017] 3. This solution, through the side-blocking design of the side-mount and the setting of the light-blocking ring, can specifically block the 450nm blue light emitted by the LED beads from escaping from the side and the gap in the base, reducing the impact of blue light on users; the combination of quantum film, lower brightness enhancement film and upper brightness enhancement film optimizes the light spectrum and brightness while controlling blue light, ensuring display quality.

[0018] 4. This solution significantly increases the contact area with air through the sawtooth-shaped heat sink structure, which improves heat dissipation efficiency compared to a planar heat dissipation structure and accelerates the conduction and dissipation of heat generated during the operation of the display components. At the same time, the multiple sets of circulation areas equidistantly opened on the heat sink can form air convection channels, allowing cool air to pass through the gaps in the heat sink more smoothly, carrying away heat and preventing heat from accumulating on the surface of the heat sink, further enhancing the heat dissipation effect, thereby effectively maintaining the stable operating temperature of the backlight and LED chips in the display components. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is an exploded view of the structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the sealing cap structure of this utility model;

[0022] Figure 4 This is a partial structural diagram of the sealing cap of this utility model;

[0023] Figure 5 This is a bottom view of the structure of this utility model;

[0024] Figure 6 This is a schematic diagram of the heat sink of this utility model;

[0025] Figure 7 This is a schematic diagram of the backlight panel and its connection structure of the present invention;

[0026] Figure 8 This is a schematic diagram of the internal structure of the base of this utility model;

[0027] Figure 9 This is a schematic diagram of the installation structure of the quantum film, lower brightness enhancement film, and upper brightness enhancement film of this utility model.

[0028] The following numbers are labeled in the diagram: 100, base; 11, heat sink; 12, flow area; 200, sealing cover; 21, outer card holder; 22, inner baffle; 23, light-blocking ring; 300, display component; 31, backlight panel; 311, LED bead; 312, receiving slot; 32, filling buffer seat; 33, side baffle seat; 34, side baffle; 35, quantum film; 36, lower brightness enhancement film; 37, upper brightness enhancement film. Detailed Implementation

[0029] Please see Figure 1 - Figure 9 This utility model provides a liquid crystal display screen with an edge blue light suppression structure, including a base 100, a sealing cover 200 fixed on the base 100 by adhesive, and a display component 300 inside the base 100. The display component 300 is provided with a backlight panel 31, and multiple sets of lamp beads 311 are equidistantly arranged on the backlight panel 31. A side block 33 is covered on the backlight panel 31, and a quantum film 35 is covered on the side block 33. A lower brightness enhancement film 36 is provided on the quantum film 35, and an upper brightness enhancement film 37 is covered on the lower brightness enhancement film 36.

[0030] In a preferred embodiment, the base 100 is provided with four sets of filling buffer seats 32, and the filling buffer seats 32 are trapezoidal. The backlight panel 31 is provided with four sets of trapezoidal receiving grooves 312 on the outside, and the filling buffer seats 32 are snapped into the receiving grooves 312.

[0031] The LED beads 311 on the backlight panel 31 are 3006 blue LEDs, and the wavelength of the LED beads 311 is 450nm; multiple sets of side baffles 34 are equidistantly arranged on the side baffle base 33, and the multiple sets of side baffles 34 are distributed opposite to the multiple sets of LED beads 311.

[0032] The area of ​​the side opening 34 is larger than the area of ​​the lamp bead 311, and the depth of the side opening 34 is twice the height of the lamp bead 311.

[0033] The sealing cover 200 has a U-shaped cross section and an outer card seat 21 is fixed on its outer side. Meanwhile, an inner baffle wall 22 is provided on its inner side. The inner baffle wall 22 is attached to the inner side of the base 100, and the outer card seat 21 is snapped onto the outer side of the base 100.

[0034] The bottom of the sealing cover 200 is provided with a light-blocking ring 23, and the light-blocking ring 23 covers the inner side of the base 100. At the same time, the light-blocking ring 23 is rectangular.

[0035] The backlight panel 31 is provided with a quantum film 35, a lower brightness enhancement film 36 and an upper brightness enhancement film 37 distributed in layers, and the thickness of the quantum film 35 is 0.3 mm.

[0036] Working principle: First, the base 100 serves as the basic supporting structure. The display component 300 installed inside the base 100 is the core functional part. The backlight panel 31 serves as the mounting carrier for the LED beads 311. Multiple sets of LED beads 311, which are 3006 blue LEDs with a wavelength of 450nm, are equidistantly arranged on the backlight panel 31. To achieve stable installation and buffer protection of the backlight panel 31 within the base 100, a buffer seat 32 is snapped into the receiving groove 312 to prevent the backlight panel 31 from shifting or being damaged due to vibration during use. The side baffles 33 covering the backlight panel 31 are used to initially block the blue light emitted by the LED beads 311. The side baffles 33 are provided with multiple sets of side openings 34 equidistantly distributed opposite to the LED beads 311. Furthermore, the area of ​​the side opening 34 is larger than the area of ​​the LED bead 311, and its depth is twice the height of the LED bead 311. This ensures that the LED bead 311 emits light normally without obstruction, and effectively prevents blue light from randomly overflowing from the side of the LED bead 311. This ensures that the display screen has sufficient and uniform brightness, guaranteeing clear image display and accurate color reproduction, meeting normal visual viewing needs. At the same time, it can significantly reduce the direct or indirect irradiation of blue light overflowing from the side to the human eye, reducing the stimulation of blue light to the eyes during prolonged viewing, relieving visual fatigue, and protecting eye health. It also prevents disordered blue light from the side from interfering with the normal operation of other components inside the display screen, reducing optical crosstalk problems, improving the overall display stability and image quality of the display screen, and extending the lifespan of the display screen.

[0037] The quantum film 35 covering the side block 33 can adjust and optimize the spectrum of the blue light emitted by the lamp bead 311. The lower brightness enhancement film 36 on the quantum film 35 and the upper brightness enhancement film 37 covering the lower brightness enhancement film 36 work together to brighten the light after it has been processed by the quantum film 35, thereby improving the display brightness and uniformity.

[0038] The sealing cover 200 has a U-shaped cross-section. The outer card holder 21 and the inner baffle 22 cooperate to achieve a stable connection between the sealing cover 200 and the base 100. At the same time, the rectangular light-blocking ring 23 at the bottom of the sealing cover 200 covers the inside of the base 100, further blocking blue light that may leak from the gap between the base 100 and the display component 300. The entire device achieves orderly control of blue light, optimization of display effect and stable protection of structure through the coordinated cooperation of various components.

[0039] The snap-fitting of the filling buffer seat 32 and the receiving groove 312 effectively improves the installation stability and buffering performance of the backlight panel 31 within the base 100, preventing vibration from damaging components such as the LED beads 311. The side baffle 34 design of the side baffle seat 33 and the setting of the light-blocking ring 23 can specifically block the 450nm blue light emitted by the LED beads 311 from overflowing from the side and the gap of the base 100, reducing the impact of blue light on the user. The combination of the quantum film 35, the lower brightness enhancement film 36 and the upper brightness enhancement film 37 optimizes the light spectrum and brightness while controlling blue light, ensuring display quality. The sealing cover 200 achieves a stable and sealed connection with the base 100 through the outer card seat 21 and the inner baffle wall 22, improving the overall protection performance of the device and preventing dust, moisture and other substances from entering the interior and affecting the operation of the components.

[0040] In a preferred embodiment, the bottom of the base 100 is fixed with a plurality of equidistant heat sinks 11, and the heat sinks 11 are serrated, with a plurality of flow areas 12 equidistantly provided on the heat sinks 11.

[0041] like Figure 1 , Figure 5 and Figure 6 As shown: The sawtooth structure can significantly increase the contact area with air, which can improve heat dissipation efficiency compared with the planar heat dissipation structure and accelerate the conduction and dissipation of heat generated when the display component 300 is working; at the same time, the multiple sets of circulation areas 12 equidistantly opened on the heat sink 11 can form air convection channels, allowing cool air to pass through the gaps of the heat sink 11 more smoothly, carrying away heat and preventing heat from accumulating on the surface of the heat sink 11, further enhancing the heat dissipation effect, thereby effectively maintaining the stable operating temperature of the backlight 31 and the lamp beads 311 in the display component 300, preventing the lamp beads 311 from decaying faster and shortening their lifespan due to high temperature, or affecting the performance of the display component 300, and ensuring the long-term stable operation of the entire device.

Claims

1. A liquid crystal display screen with an edge blue light suppression structure, comprising a base (100), characterized in that: A sealing cover (200) is fixed to the base (100) by adhesive backing, and a display component (300) is provided inside the base (100). A backlight panel (31) is provided on the display component (300), and multiple sets of lamp beads (311) are equidistantly arranged on the backlight panel (31). A side block (33) is covered on the backlight panel (31), and a quantum film (35) is covered on the side block (33). A lower brightness enhancement film (36) is provided on the quantum film (35), and an upper brightness enhancement film (37) is covered on the lower brightness enhancement film (36).

2. A liquid crystal display screen with an edge blue light suppression structure according to claim 1, characterized in that: The base (100) has multiple sets of equidistantly distributed heat sinks (11) fixed at its bottom, and the heat sinks (11) are serrated. Multiple sets of flow areas (12) are equidistantly opened on the heat sinks (11).

3. A liquid crystal display screen with an edge blue light suppression structure according to claim 1, characterized in that: The base (100) is provided with four sets of filling buffer seats (32), and the filling buffer seats (32) are trapezoidal. The backlight panel (31) is provided with four sets of trapezoidal receiving grooves (312) on the outside, and the filling buffer seats (32) are snapped into the receiving grooves (312).

4. A liquid crystal display screen with an edge blue light suppression structure according to claim 1, characterized in that: The LED beads (311) on the backlight panel (31) are 3006 blue LEDs, and the wavelength of the LED beads (311) is 450nm; the side baffle (33) is provided with multiple sets of side baffles (34) at equal intervals, and the multiple sets of side baffles (34) are distributed opposite to the multiple sets of LED beads (311).

5. A liquid crystal display screen with an edge blue light suppression structure according to claim 4, characterized in that: The area of ​​the side opening (34) is larger than the area of ​​the lamp bead (311), and the depth of the side opening (34) is twice the height of the lamp bead (311).

6. A liquid crystal display screen with an edge blue light suppression structure according to claim 1, characterized in that: The sealing cover (200) has a U-shaped cross section and an outer card seat (21) is fixed on its outer side. Meanwhile, an inner wall (22) is provided on its inner side. The inner wall (22) is attached to the inner side of the base (100), and the outer card seat (21) is snapped onto the outer side of the base (100).

7. A liquid crystal display screen with an edge blue light suppression structure according to claim 6, characterized in that: The bottom of the sealing cover (200) is provided with a light-blocking ring (23), and the light-blocking ring (23) covers the inner side of the base (100), while the light-blocking ring (23) is rectangular.

8. A liquid crystal display screen with an edge blue light suppression structure according to claim 1, characterized in that: The backlight panel (31) is provided with a quantum film (35), a lower brightness enhancement film (36) and an upper brightness enhancement film (37) distributed in layers, and the thickness of the quantum film (35) is 0.3 mm.

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