CN213659144U

CN213659144U - Novel LED backlight

Info

Publication number: CN213659144U
Application number: CN202022625024.XU
Authority: CN
Inventors: 占贤武; 郭天宇
Original assignee: Suzhou Hanraysun Optoelectronic Co ltd
Current assignee: Suzhou Hanraysun Optoelectronic Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-09
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a novel LED is shaded from sun, including the frame, the centre of frame is provided with the light source groove, and open the side in light source groove has first mounting groove, and the internally mounted of first mounting groove has the light guide plate, and open the side of first mounting groove has the lamp pearl groove, and open the side in lamp pearl groove has the lamp plate groove, and the internally mounted in lamp plate groove has the lamp plate, and the side of lamp plate is provided with the lamp pearl, and the surface of lamp pearl is provided with condensing lens, and the side in lamp plate groove is filled with the rubber buffer. The lamp plate and the lamp beads are inserted into the lamp plate groove and the lamp bead groove, the light guide plate is aligned to the inner side, and the rubber plug is tightly pushed to the outer side, so that the LED lamp is convenient to detect and maintain, and the LED lamps with different colors are replaced. The liquid crystal panel is placed into the second mounting groove and is tightly pressed through the fastening block and the fastening bolt, and therefore the liquid crystal panel is convenient to disassemble and mount.

Description

Novel LED backlight

Technical Field

The utility model belongs to the technical field of LED is shaded, specifically is a novel LED is shaded.

Background

The LED backlight is characterized in that an LED (light emitting diode) is used as a backlight source of the liquid crystal display screen, compared with the traditional CCFL (cold cathode fluorescent lamp) backlight source, the LED has the characteristics of low power consumption, low heat productivity, high brightness, long service life and the like, and is expected to completely replace the traditional backlight system in recent years; the LED backlight may improve the color performance of the LCD display. The LED light is generated by three separate LEDs to provide a color spectrum that matches well with the LCD dot filter itself.

The backlight source is a light source positioned at the back of the liquid crystal display, the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module, the liquid crystal display does not emit light, and the backlight source displays figures or the result of light modulation.

The invention discloses a novel LED backlight source in 2019, 8.30.8. 209327740U, which comprises an LED backlight source plate and a backlight source shell, wherein shell wrapping edges are arranged at four corners of the backlight source shell, a shell fixing support is arranged at one side of each shell wrapping edge, a damping screw is installed on each shell fixing support, a fixing cylinder is connected to the bottom of each damping screw, a sliding rod is arranged in each fixing cylinder in a sliding mode and is connected with an inner cavity of each fixing cylinder through a spring, a contact plate is fixedly arranged at the bottom end of each sliding rod, and the LED backlight source plate comprises an LED light bar, a light guide plate, a light reflecting plate, a brightness enhancement film and a light leakage prevention film. The utility model discloses a damping screw that is equipped with is convenient for can cushion when backlight board atress extrusion, has solved backlight board atress extrusion deformation and the problem of damage, indirect extension the life of this kind of LED backlight, through the leak protection membrane that is equipped with, can prevent effectively that the light that LED lamp strip sent from penetrating directly and going out to influence the result of use of this kind of novel LED backlight.

In the existing LED backlight, the LED lamp beads and the lamp panel are both arranged inside the outer frame, so that the detection and maintenance are inconvenient, and the LED lamp beads and the lamp panels with different colors are inconvenient to replace and use; moreover, the liquid crystal panel is difficult to disassemble and is inconvenient to disassemble and assemble after being installed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel LED is shaded to solve LED lamp pearl and lamp plate and all install in the inside of frame, inconvenient maintenance and detection, also the problem of the LED lamp pearl and the lamp plate of different chromatic lights of also conveniently changing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel LED is shaded, includes the frame, the centre of frame is provided with the light source groove, open the side in light source groove has first mounting groove, the internally mounted of first mounting groove has the light guide plate, open the side in first mounting groove has the lamp pearl groove, open the side in lamp pearl groove has the lamp plate groove, the internally mounted in lamp plate groove has the lamp plate, the side of lamp plate is provided with the lamp pearl, the surface of lamp pearl is provided with condensing lens, the side in lamp plate groove is filled with the rubber buffer.

Preferably, a second mounting groove is formed in the top end of the outer frame, a liquid crystal panel is mounted inside the second mounting groove, a fastening block is pressed on the top end of the liquid crystal panel, and a fastening bolt is arranged on the top end of the fastening block.

Preferably, a protective pad is padded at the bottom end of the light source groove, and a reflecting plate is installed at the top end of the protective pad.

Preferably, the first mounting groove is of a rectangular ring structure, and the light guide plate is parallel to the bottom end of the outer frame.

Preferably, the lamp bead groove and the lamp panel groove are both of a strip structure, and the height of the lamp panel groove is not less than that of the lamp bead groove.

Preferably, the lamp pearl inserts lamp pearl groove to align with the side of light guide plate, the tight lamp plate in rubber buffer top.

Preferably, the second mounting groove is a rectangular ring structure, the thickness of the liquid crystal panel is not greater than the depth of the second mounting groove, and the fastening block presses the liquid crystal panel through a fastening bolt.

Compared with the prior art, the utility model discloses a novel LED of example is shaded:

1. be provided with lamp pearl groove, lamp plate groove and rubber buffer, during the use, lamp plate and lamp pearl insert lamp plate groove and lamp pearl groove, and the light guide plate is aimed at to the inboard, and the rubber buffer top is tight in the outside through the rubber buffer to realized making things convenient for LED lamp testing and maintenance, and changed the LED lamp of different chromatic light.

2. Be provided with fastening block and second mounting groove, during the use, the second mounting groove is put into to liquid crystal display panel to compress tightly through fastening block and fastening bolt, thereby realized making things convenient for liquid crystal display panel's dismantlement installation.

Drawings

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

fig. 2 is a sectional view taken along the direction a-a of fig. 1 according to the present invention;

fig. 3 is an enlarged view of the position B of fig. 1 according to the present invention.

In the figure: 1. an outer frame; 2. a rubber plug; 3. a protective pad; 4. a reflector; 5. a light source slot; 6. a light guide plate; 7. a second mounting groove; 8. a liquid crystal panel; 9. a fastening block; 10. fastening a bolt; 11. a lamp bead groove; 12. a first mounting groove; 13. a light panel slot; 14. a lamp panel; 15. a lamp bead; 16. a condenser lens.

Detailed Description

Referring to fig. 1, a novel LED backlight includes an outer frame 1, wherein the outer frame 1 has a rectangular structure; the middle of the outer frame 1 is provided with a light source groove 5, and the light source groove 5 is used for light transmission.

Referring to fig. 1, 2 and 3, a first mounting groove 12 is formed on a side surface of the light source groove 5, and the first mounting groove 12 is a rectangular ring structure; the light guide plate 6 is arranged in the first mounting groove 12, and the light guide plate 6 is parallel to the bottom end of the outer frame 1; the side of first mounting groove 12 is opened has lamp pearl groove 11, and the side of lamp pearl groove 11 is opened has lamp plate groove 13, and lamp pearl groove 11 and lamp plate groove 13 are rectangular type structure.

Referring to fig. 1, 2 and 3, the height of the lamp panel groove 13 is not less than that of the lamp bead groove 11, a lamp panel 14 is installed in the lamp panel groove 13, and the lamp panel 14 is of a strip structure; the side of lamp plate 14 is provided with lamp pearl 15, and lamp pearl 15 inserts lamp pearl groove 11 to align with the side of light guide plate 6.

Referring to fig. 1, 2 and 3, a condensing lens 16 is disposed on the surface of the lamp bead 15 for enhancing the brightness of the lamp bead 15; a rubber plug 2 is plugged on the side surface of the lamp plate groove 13, and the rubber plug 2 tightly props against the lamp plate 14; the LED lamp is convenient to detect and maintain, and the LED lamps with different color lights can be replaced.

Referring to fig. 1, a second mounting groove 7 is formed at the top end of the outer frame 1, and the second mounting groove 7 is a rectangular ring structure; the liquid crystal panel 8 is arranged in the second mounting groove 7, the thickness of the liquid crystal panel 8 is not larger than the depth of the second mounting groove 7, and the liquid crystal panel 8 is parallel to the light guide plate 6.

Referring to fig. 1, a fastening block 9 is pressed on the top of the liquid crystal panel 8, and the fastening block 9 is an L-shaped structure; the top of fastening block 9 is provided with fastening bolt 10, and fastening block 9 compresses tightly liquid crystal display panel 8 through fastening bolt 10, makes things convenient for the dismantlement installation of liquid crystal display panel 8.

Referring to fig. 1, a protective pad 3 is padded at the bottom of the light source slot 5, a reflective plate 4 is installed at the top of the protective pad 3, and the reflective plate 4 is located below the light guide plate 6 and used for reflecting light guided out by the light guide plate 6.

The working principle of the scheme is as follows: the reflector 4 is installed at the bottom of the light source groove 5 with the protection pad 3 therebetween, and the light guide plate 6 is inserted into the first installation groove 12 and installed above the reflector 4.

The lamp panel 14 and the lamp beads 15 are inserted into the lamp panel grooves 13 and the lamp bead grooves 11, the lamp beads 15 are aligned with the side faces of the light guide plate 6, and the outer side of the lamp panel 14 is tightly propped through the rubber plugs 2; the LED lamp detection and maintenance are facilitated, the LED lamps with different color lights can be replaced and installed, and the application is flexible.

Liquid crystal display panel 8 installs in the inside of second mounting groove 7 to compress tightly the installation through fastening block 9, both conveniently dismantle liquid crystal display panel 8, also conveniently change and overhaul liquid crystal display panel 8, convenient to use.

Claims

1. A novel LED backlight comprises an outer frame (1), and is characterized in that: the middle of frame (1) is provided with light source groove (5), open the side in light source groove (5) has first mounting groove (12), the internally mounted of first mounting groove (12) has light guide plate (6), open the side of first mounting groove (12) has lamp pearl groove (11), open the side in lamp pearl groove (11) has lamp board groove (13), the internally mounted of lamp board groove (13) has lamp plate (14), the side of lamp plate (14) is provided with lamp pearl (15), the surface of lamp pearl (15) is provided with collector lens (16), the side stopper of lamp board groove (13) has rubber buffer (2).

2. The novel LED backlight of claim 1, wherein: the top of frame (1) is opened has second mounting groove (7), the internally mounted of second mounting groove (7) has liquid crystal display panel (8), fastening block (9) have been pressed on the top of liquid crystal display panel (8), the top of fastening block (9) is provided with fastening bolt (10).

3. The novel LED backlight of claim 1, wherein: the bottom of the light source groove (5) is padded with a protective pad (3), and the top end of the protective pad (3) is provided with a reflector (4).

4. The novel LED backlight of claim 1, wherein: the first mounting groove (12) is a rectangular ring structure, and the bottom ends of the light guide plate (6) and the outer frame (1) are parallel.

5. The novel LED backlight of claim 1, wherein: the lamp bead groove (11) and the lamp panel groove (13) are both of a strip structure, and the height of the lamp panel groove (13) is not less than that of the lamp bead groove (11).

6. The novel LED backlight of claim 1, wherein: lamp pearl groove (11) are inserted in lamp pearl (15), rubber buffer (2) top tight lamp plate (14).

7. The novel LED backlight of claim 2, wherein: the second mounting groove (7) is a rectangular ring structure, and the fastening block (9) tightly presses the liquid crystal panel (8) through a fastening bolt (10).