CN212905822U

CN212905822U - Precise complex liquid crystal display screen backlight structure

Info

Publication number: CN212905822U
Application number: CN202021827913.8U
Authority: CN
Inventors: 黄成青
Original assignee: Shenzhen Jingxin Dacheng Electronic Technology Co ltd
Current assignee: Shenzhen Jingxin Dacheng Electronic Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-04-06
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses an accurate complicated liquid crystal display structure of being shaded, including the main structure body, the main structure body includes the frame, inside blue light film, prism layer, light guide plate, reflecting plate and the bottom plate of preventing of being equipped with from top to bottom of frame in proper order, the frame inboard is equipped with LED lamp pearl and buffering silver, the frame outside is equipped with the power cord, the frame bottom is equipped with sealing strip and frame screw, the inside diffusion layer that is equipped with of light guide plate, the bottom plate outside is equipped with cross distribution's fixed strip, LED lamp pearl is including locating the light source reflecting plate of slope of LED lamp pearl both sides and locating LED lamp pearl are connected the LED lamp hole of frame, the utility model discloses with the structure of being shaded of LED provided light source, add simultaneously and established a plurality of accurate structures, have good effect in a poor light and waterproof shock-resistant.

Description

Precise complex liquid crystal display screen backlight structure

Technical Field

The utility model relates to a display screen board in a poor light technical field specifically is accurate complicated liquid crystal display structure in a poor light.

Background

The backlight panel of the display screen is one of the key components of the liquid crystal display panel. The function is to provide enough light source with uniform brightness and distribution to make it able to normally display images, so called backlight source is a light source located at the back of the liquid crystal display, and its luminous effect will directly affect the visual effect of the liquid crystal display module. The liquid crystal itself does not emit light, and it displays graphics or characters as a result of its modulation of light. Backlights have become an independent subject of electronics today and a focus of research and development has evolved to provide light sources for LCD panels. Mainly comprises a light source, a light guide plate, an optical film, a plastic frame and the like. The backlight source has the characteristics of high brightness, long service life, uniform light emission and the like. At present, there are three types of backlight sources, i.e., EL, CCFL and LED, which are classified into edge type and direct type (bottom backlight type) according to the distribution position of the light source. Along with the LCD module is constantly to brighter, lighter, thinner direction development, sidelight type CCFL formula backlight becomes the mainstream of backlight development, at present, display screen board and display in a poor light, when producing equipment and later stage use maintenance, the dismouting is loaded down with trivial details, it is consuming time more during production assembly and later stage maintenance, moreover because the bolt screw position of fixed display screen board in a poor light is all relatively fixed, not only production assembly speed is slow, and also waste time and energy, propose the utility model who solves above-mentioned problem for this.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art scheme, the utility model provides a structure is shaded to accurate complicated liquid crystal display can the effectual problem that the solution background art provided.

The utility model provides a technical scheme that its technical problem adopted is:

accurate complicated liquid crystal display structure of being shaded, including the main structure body, the main structure body includes the frame, inside blue light film, prism layer, light guide plate, reflecting plate and the bottom plate of preventing of being equipped with in proper order from top to bottom of frame, the frame inboard is equipped with LED lamp pearl and buffering silver, the frame outside is equipped with the power cord, the frame bottom is equipped with sealing strip and frame screw, the inside diffusion layer that is equipped with of light guide plate, the bottom plate outside is equipped with cross distribution's fixed strip, LED lamp pearl is including locating the light source reflecting plate of LED lamp pearl both sides slope and locating LED lamp pearl is connected the LED lamp hole of frame.

Particularly, the prism layer is attached to the light guide plate, and the surface of the prism layer is of a wedge-shaped structure.

Particularly, bottom plate screw holes are formed in four corners of the bottom plate and penetrate through the bottom plate and the fixing strips.

Particularly, the LED lamp hole is of a polygonal structure and is in threaded connection with the LED lamp bead.

Particularly, the two sides of the light guide plate are inclined structures, and the light guide plate is connected with the frame in a clamping mode.

Particularly, the buffering cotton strip is attached to the frame, and the surface of the buffering cotton strip is of an uneven corrugated elastic structure.

Compared with the prior art, the beneficial effects of the utility model are that:

compared with the traditional technology, the utility model adds the fixing strip which is distributed crosswise at the bottom plate of the structure, the two sides of the fixing strip are provided with screw holes, the screw hole penetrates through the bottom plate and is connected with the fixing strip and the frame, thereby further reinforcing the stability of the backlight plate on the structure, the sealing strip is arranged at the bottom of the frame, which can play the role of waterproof sealing and prevent the backlight plate from water inflow, the buffer structure is arranged at the inner side of the frame, which can greatly attenuate the external impact force and make the backlight plate more durable, the light-transmitting part is provided with a film capable of preventing blue light, which can reduce the damage of the blue light to eyes, the LED lamp bead comprises light source reflecting plates arranged on two sides of the LED lamp bead in an inclined manner and LED lamp holes arranged on the LED lamp bead and connected with the frame, the LED lamp holes are of a polygonal structure, and the LED lamp hole is in threaded connection with the LED lamp bead, so that the stability of the LED lamp during illumination is stabilized by the structure of the LED lamp hole.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the explosion structure of the present invention;

FIG. 3 is a cross-sectional view of the frame of the present invention;

FIG. 4 is a schematic view of the bottom structure of the frame of the present invention;

FIG. 5 is a schematic view of the inner side structure of the frame of the present invention;

FIG. 6 is a schematic view of the bottom structure of the bottom plate of the present invention;

fig. 7 is a schematic view of the structure of the LED lamp hole of the present invention;

fig. 8 is a schematic view of the internal structure of the light guide plate of the present invention.

Reference numbers in the figures:

1. a base plate; 2. a reflective plate; 3. a frame; 4. a light guide plate; 5. a prism layer; 6. a blue light-blocking film; 7. a power line; 8. buffering the cotton sliver; 9. LED lamp beads; 10. a light source reflection plate; 11. a fixing strip; 12. a bottom plate screw hole; 13. a diffusion layer; 14. an LED lamp hole; 15. a sealing strip; 16. the frame screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-8, the utility model provides an accurate complicated liquid crystal display structure of being shaded, including the main structure body, the main structure body includes frame 3, frame 3 is inside to be equipped with from top to bottom in proper order and prevents blue light film 6, prism layer 5, light guide plate 4, reflecting plate 10 and bottom plate, 3 inboards of frame are equipped with LED lamp pearl 9 and buffering silver 8, the 3 outsides of frame are equipped with power cord 7, frame 3 bottom is equipped with sealing strip 15 and frame screw 16, the inside diffusion barrier 13 that is equipped with of light guide plate 4, the 1 outside of bottom plate is equipped with cross distribution's fixed strip 11, LED lamp pearl 9 is including locating the light source reflecting plate 10 of 9 both sides slopes of LED lamp pearl and locating LED lamp pearl 9 connects the LED lamp hole 14 of frame 3.

It is further described that the prism layer 5 is attached to the light guide plate 4, the surface of the prism layer 5 is in a wedge-shaped structure, the light guide plate 4 is made of a transparent material, and since the liquid crystal panel itself has no light-emitting characteristic, a light source must be added to the panel to achieve a display effect, the backlight module is provided with the light guide plate 4, the light guide plate 4 is provided with an interlayer, the interlayer is provided with a diffusion layer 13, the diffusion layer 13 can disperse light, so that the light is uniformly dispersed, and the prism layer 5 bends the light emitted by the diffusion layer 13 in a certain direction, so that the luminance of the backlight plate can be concentrated.

It is further described that bottom plate screw holes 12 are formed in four corners of the bottom plate 1, the bottom plate screw holes 12 penetrate through the bottom plate 1 and the fixing strips 11, screw holes are formed in two sides of the fixing strips 11, and frame screw holes 16 penetrate through the bottom plate 1 and the fixing strips 11 to be connected with the frame 3, so that the structural stability of the backlight plate is further reinforced.

Further, the LED lamp hole 14 is of a polygonal structure, and the LED lamp hole 14 is in threaded connection with the LED lamp bead 9, and is in screwed connection with the LED lamp bead 9 through threads on the LED lamp hole 14.

It is further explained that, both sides of the light guide plate 4 are inclined structures, and the light guide plate 4 is connected with the frame 3 in a clamping manner, and the inclined structures are correspondingly arranged on both sides of the light guide plate 4 and matched with the grooves on the frame 3, so that the structure is more stable.

It is further explained that the buffering cotton sliver 8 is attached to the frame 3, the surface of the buffering cotton sliver 8 is of an uneven corrugated elastic structure, the sealing strip 15 is arranged at the bottom of the frame 3, the waterproof sealing effect can be achieved, the backlight plate is prevented from water entering, and the buffering structure is arranged on the inner side of the frame 3, so that the external impact force can be greatly attenuated.

The specific working principle is as follows: in the using process, the power is electrified through a power line 7 and a suitable voltage of a corresponding backlight plate, when a power supply is connected with the power line 7, an LED lamp bead 9 arranged on the inner side of the frame is lightened, the LED lamp bead 9 is in threaded connection with an LED lamp hole 14, the light of the LED lamp bead 9 penetrates through a reflecting plate 10 to form a high-luminosity panel with the light guide plate 4, when the light is subjected to light source diffusion through a diffusion layer 13 in the light guide plate 4, fixing strips 11 which are distributed in a crossed manner are additionally arranged at the bottom plate 1, screw holes are arranged on two sides of each fixing strip 11, frame screw holes 16 penetrate through the bottom plate 1 and are connected with the fixing strips 11 and the frame 3, the structural stability of the backlight plate is further strengthened, a sealing strip 15 is arranged at the bottom of the frame 3, the waterproof sealing effect can be achieved, the backlight plate is prevented from water entering, a buffering cotton strip 8 is arranged on the inner side of, the anti-blue-light film 6 is arranged at the light-transmitting part, the damage of blue light to eyes can be reduced, the LED lamp beads 9 comprise reflecting plates 10 which are arranged on two sides of the LED lamp beads 9 and arranged, the LED lamp beads 9 are connected with the LED lamp holes 14 of the frame, the LED lamp holes 14 are of a polygonal structure, the LED lamp holes 14 are in threaded connection with the LED lamp beads 9, and the stability of the LED lamp during illumination is stabilized by the structure of the LED lamp.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Accurate complicated liquid crystal display structure of being shaded, its characterized in that: the LED light source comprises a structure main body, wherein the structure main body comprises a frame, a blue light prevention film, a prism layer, a light guide plate, a reflecting plate and a bottom plate are sequentially arranged in the frame from top to bottom, an LED lamp bead and a buffering cotton sliver are arranged on the inner side of the frame, a power line is arranged on the outer side of the frame, and a sealing strip and a frame screw hole are arranged at the bottom of the frame;

the LED lamp comprises a light guide plate and is characterized in that a diffusion layer is arranged inside the light guide plate, fixing strips which are distributed in a crossed mode are arranged on the outer side of a bottom plate, and LED lamp beads comprise light source reflecting plates which are arranged on two sides of the LED lamp beads in an inclined mode and LED lamp holes which are arranged on the LED lamp beads and connected with a frame.

2. The backlight structure of claim 1, wherein: the prism layer is attached to the light guide plate, and the surface of the prism layer is of a wedge-shaped structure.

3. The backlight structure of claim 1, wherein: the four corners of the bottom plate are provided with bottom plate screw holes, and the bottom plate screw holes penetrate through the bottom plate and the fixing strips.

4. The backlight structure of claim 1, wherein: the LED lamp hole is of a polygonal structure and is in threaded connection with the LED lamp beads.

5. The backlight structure of claim 1, wherein: the light guide plate both sides are the tilting structure, just the light guide plate with the frame joint formula is connected.

6. The backlight structure of claim 1, wherein: the buffering cotton sliver is attached to the frame, and the surface of the buffering cotton sliver is of an uneven fold-shaped elastic structure.