Light-emitting diode (LED) backlight light guide plate

Abstract

The LED backlight light guide plate comprises a lamp holder, a groove is formed in the lamp holder, a plurality of lamp strips distributed at equal intervals are fixedly connected to the interior of the groove, a boss is fixedly connected to the periphery of the interior of the groove, and a light guide plate is arranged at the top of the boss. A plurality of fixing grooves distributed at equal intervals are formed in the periphery of the top of the lamp holder, rotating shafts are fixedly connected into the fixing grooves, and fixing shifting pieces are rotationally connected to the outer walls of the rotating shafts. The light guide plate is fixed in the groove by rotating the fixed shifting piece, the light guide plate is prevented from falling off from the interior of the groove during use or transportation, the light guide plate can be replaced only by rotating the fixed shifting piece into the fixed groove when needing to be replaced, workers can conveniently and rapidly replace and overhaul the light guide plate, and the working efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to light guide plate technical field, especially a kind of LED backlight light guide plate. BACKGROUND

[0002] Light guide plate is to use optical grade acrylic / PC board material, then use high-tech material with extremely high refractive index and not light-absorbing, laser engraving, V-shaped cross grid engraving, UV screen printing technology is printed on the bottom surface of optical grade acrylic board material with light guide point. Optical grade acrylic board material is used to absorb the light emitted from lamp on the surface of optical grade acrylic board material, when light is shot to each light guide point, reflected light will diffuse to each angle, then break the reflection condition and shoot from the front of light guide plate. Through various light guide points of different density and size, light guide plate can emit light uniformly. CCFL lamp tube (provides light source, some LED provides light source) light guide plate, plastic frame, aluminum backboard, reflecting sheet, diffusion sheet, some also have light enhancement sheet. Light guide plate is only part of backlight. The existing LED backlight light guide plate is very inconvenient when installing, which affects the maintenance efficiency. Therefore, it does not meet the existing needs, and we propose a LED backlight light guide plate. SUMMARY

[0003] The utility model provides a kind of LED backlight light guide plate, to solve the problems raised in the above background technology.

[0004] A kind of LED backlight light guide plate, including lamp holder, recess is set in the inside of the lamp holder, the inside of the recess is fixedly connected with several lamp strips that are equally distributed, the inside four around of the recess is fixedly connected with boss, the top of the boss is provided with light guide plate, the top four around of the lamp holder is set with several fixed slots that are equally distributed, the inside of the fixed slot is fixedly connected with rotating shaft, the outer wall of the rotating shaft is rotatably connected with fixed paddle.

[0005] As a preferred scheme of the LED backlight light guide plate of the utility model, the rear side outer wall of the lamp holder is fixedly connected with hinge on opposite sides, two hinges are rotatably connected with fixed frame, the front side outer wall of the fixed frame is fixedly connected with fixed head on opposite sides, the front side outer wall of the lamp holder is fixedly connected with quick buckle on opposite sides, the outer wall of two quick buckles is rotatably connected with fixed ring, and the fixed ring is connected with fixed head.

[0006] As a preferred scheme of the LED backlight light guide plate of the utility model, the bottom four around of the fixed frame is fixedly connected with sealing ring.

[0007] As a preferred scheme of the LED backlight light guide plate of the utility model, the top four around of the boss is fixedly connected with antiskid pad.

[0008] As a preferred scheme of the LED backlight light guide plate, the top of the lamp holder is provided with opening grooves on opposite sides.

[0009] The utility model provides a kind of LED backlight light guide plate. With following beneficial effects:

[0010] By rotating fixed toggle, light guide plate is fixed in the inside of recess, avoid light guide plate from the inside of recess off when using or transporting, need to replace only when fixed toggle is rotated to the inside of fixed groove, it is convenient for staff to replace and overhaul quickly greatly improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the whole structure schematic diagram of the utility model's LED backlight light guide plate;

[0012] Figure 2 It is the rear structure schematic diagram of the utility model's LED backlight light guide plate;

[0013] Figure 3 It is the inside structure schematic diagram of the utility model's LED backlight light guide plate;

[0014] Figure 4 It is the A part enlarged structure schematic diagram of the utility model's LED backlight light guide plate Figure 1

[0015] Figure 5 It is the B part enlarged structure schematic diagram of the utility model's LED backlight light guide plate Figure 3

[0016] In the drawing: 1, lamp holder;2, fixed frame;3, hinge;4, sealing ring;5, recess;6, lamp strip;7, light guide plate;8, opening groove;9, fixed head;10, fixed ring;11, quick buckle;12, fixed groove;13, rotating shaft;14, fixed toggle;15, non-slip pad;16, boss. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] ​​In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0019] Please refer to Figures 1-5 The utility model relates to an LED backlight light guide plate, including lamp stand 1, the inside of lamp stand 1 is set up recess 5, recess 5's inside fixedly connected with a plurality of lamp strip 6 that is equally interval distribution, the inside four -around fixedly connected with boss 16 of recess 5, the top of boss 16 is provided with light guide plate 7, the top four -around of lamp stand 1 is set up a plurality of fixed groove 12 that is equally interval distribution, the inside fixedly connected with rotating shaft 13 of fixed groove 12, the outer wall rotationally connected with fixed paddle 14 of rotating shaft 13. Through the rotation fixed paddle 14 is fixed in the inside of recess 5, avoid when using or transporting light guide plate from the inside of recess 5 fall off, need to replace only when the fixed paddle 14 is rotated to the inside of fixed groove 12 can, it is convenient for staff to replace and overhaul quickly greatly improve work efficiency.

[0020] Please refer to Figures 1-4 The rear side outer wall of lamp stand 1 is fixedly connected with hinge 3 on the opposite sides, two hinges 3 are rotationally connected with fixed frame 2, the front side outer wall of fixed frame 2 is fixedly connected with fixed head 9 on the opposite sides, the front side outer wall of lamp stand 1 is fixedly connected with quick buckle 11 on the opposite sides, the outer wall of two quick buckles 11 is rotationally connected with fixed ring 10, and fixed ring 10 is connected with fixed head 9 in a matching mode. Through the cooperation of fixed ring 10 and fixed head 9, the device is locked when it is closed, so that the device is not suddenly opened due to jolting and vibration during movement or transportation, the internal articles of the device are not scattered and broken, loss is avoided, work delay is avoided, and negative influence on work efficiency is avoided.

[0021] Please refer to Figures 1-3 The bottom of fixed frame 2 is fixedly connected with sealing ring 4 around the periphery. Sealing ring 4 should have good sealing performance within a certain temperature range under working pressure, can automatically improve the sealing performance with the increase of pressure, prevent the intrusion of splashing water or dust from the outside. The friction between the sealing ring 4 device and the moving part should be small, and the friction coefficient should be stable, so as to reduce wear and energy loss. Sealing ring 4 should have strong corrosion resistance, non-corrosion contact surface, non-pollution medium, not easy to age, long working life, good wear resistance, and can automatically compensate to a certain extent after wear. The structure of sealing ring 4 should be simple, convenient to use and maintain, so as to prolong the service life of sealing ring 4.

[0022] Please refer to Figures 1-5The top of the convex boss 16 is fixedly connected with the anti-skid pad 15 around. The anti-skid pad 15 can prevent the light guide plate from sliding during use or transfer, increase the friction between the light guide plate and the contact surface, make the light guide plate more stable, reduce the risk of sliding and shaking, avoid accidental sliding or sliding noise, use the anti-skid pad 15 can greatly improve the stability and safety of the light guide plate, and can prolong the service life of the light guide plate.

[0023] Please refer to Figures 1-3 The top of the lamp holder 1 is provided with opening grooves 8 on the opposite sides. The opening grooves 8 are arranged to facilitate the workers to lift the light guide plate from the side, facilitate the taking and placing, avoid the damage of the light guide plate caused by the corner of the light guide plate when placing, and affect the use.

[0024] Although the utility model has been described in the foregoing with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not exhaustively described in the specification only for the purpose of omitting the length and saving resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An LED backlight light guide plate comprising a lamp holder (1), characterized in that: The inside of the lamp holder (1) is provided with a recess (5), the inside of the recess (5) is fixedly connected with a plurality of lamp strips (6) distributed at equal intervals, the inside of the recess (5) is fixedly connected with a boss (16) around, the top of the boss (16) is provided with a light guide plate (7), the top of the lamp holder (1) is provided with a plurality of fixed grooves (12) distributed at equal intervals around, the inside of the fixed groove (12) is fixedly connected with a rotating shaft (13), the outer wall of the rotating shaft (13) is rotatably connected with a fixed tab (14).

2. The LED backlight light guide plate of claim 1, wherein: The opposite sides of the rear outer wall of the lamp holder (1) are fixedly connected with hinges (3), the two hinges (3) are rotatably connected with a fixed frame (2), the opposite sides of the front outer wall of the fixed frame (2) are fixedly connected with fixed heads (9), the opposite sides of the front outer wall of the lamp holder (1) are fixedly connected with quick buckles (11), the outer walls of the two quick buckles (11) are rotatably connected with fixed rings (10), and the fixed rings (10) are connected with the fixed heads (9) in a matched mode.

3. The LED backlight light guide plate of claim 2, wherein: The bottom of the fixed frame (2) is fixedly connected with a sealing ring (4) around.

4. The LED backlight light guide plate of claim 3, wherein: The top of the boss (16) is fixedly connected with an anti-skid pad (15) around.

5. The LED backlight light guide plate of claim 4, wherein: The top of the lamp holder (1) is provided with opening grooves (8) on the opposite sides.

Images