CN202813043U

CN202813043U - LED backlight source

Info

Publication number: CN202813043U
Application number: CN2012203598668U
Authority: CN
Inventors: 谢海峰
Original assignee: SHENZHEN ZHENGGUANG ELECTRONICS CO Ltd
Current assignee: SHENZHEN ZHENGGUANG ELECTRONICS CO Ltd
Priority date: 2012-07-24
Filing date: 2012-07-24
Publication date: 2013-03-20
Anticipated expiration: 2022-07-24

Abstract

The utility model discloses an LED backlight source which comprises a protective bottom frame, a reflector plate and a light guide plate. The protective bottom frame, the reflector plate and the light guide plate are arranged from bottom to top, an LED lamp is arranged at a side edge of the light guide plate, a border is arranged at the edge of the protective bottom frame and is provided with fixing bumps, a diffusion film and a brightness enhancement film are sequentially arranged above the light guide plate, lattice dots are arranged at the bottom of the light guide plate and are cylinders, and a black plastic frame and a protective plate are further sequentially arranged above the light guide plate. A clamp groove for fixing the LED lamp is arranged at the side edge of the light guide plate. The LED backlight source has the advantages that the LED backlight source is firm and durable, and the stability of a product is effectively improved; the LED backlight source is simple in structure and low in manufacturing cost; and light rays emitted by the LED lamp arranged at the side edge of the light guide plate are high and uniform in brightness after being reflected by the light guide plate.

Description

A kind of LED-backlit source

Technical field

The utility model relates to a kind of backlight, specifically, relates to a kind of LED-backlit source.

Background technology

Electronic equipment mainly is comprised of electronic devices and components such as integrated circuit, transistor, electron tubes, in a lot of electronic equipments the LED lamp is set, such as: television set, computer display etc.

Present stage, liquid crystal indicator has been widely used in the individual consumer's goods such as notebook computer, computer monitor, TV because it has the advantages such as lightweight, that volume is little, little power consumption, radiation are low.Because LCD panel itself does not have the characteristics of luminescence, therefore must add a light emitting source at the LCD panel, can reach display effect, backlight namely provides the optical module of LCD display back light.

It is that light emitting diode, CCFL are cold-cathode fluorescence lamp, EFFL external electrode fluorescent lamp that the LCD backlight can use the LED lamp.

The LED lamp is that light emitting diode is a kind of solid-state semiconductor devices, it can directly be converted into light to electricity, have the advantages such as brightness height, energy-conserving and environment-protective and life-span length because of it, be widely used in the every field such as mobile phone, liquid crystal display, LCD TV, note-book computer display screen, car-mounted display equipment.

But existing LED-backlit source structure is complicated, and installation and maintenance are all inconvenient, and brightness is low, brightness irregularities, and service life is short.

Summary of the invention

The utility model has overcome shortcoming of the prior art, and a kind of LED-backlit source is provided, and it is simple in structure, and installation and maintenance are convenient, and brightness is high and even, and long service life is durable.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:

A kind of LED-backlit source comprises from bottom to top the protection underframe, reflector plate, the LGP that arrange, and described LGP side is provided with the LED lamp, and described protection underframe edge arranges frame, and described frame is one-body molded fixed projection.

Further, set gradually diffusion sheet and brightening piece above the described LGP.

Further, be provided with the diffusion point bottom the described LGP.

Further, described diffusion point is cylinder.

Further, the LGP top also is provided with black glue frame and screening glass successively.

Further, described protection underframe side is provided with the draw-in groove of fixed L ED lamp.

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

The utility model is durable, Effective Raise the stability of product, and simple in structure, low cost of manufacture, the light that the LED lamp of LGP side setting sends is high by the reflecting brightness of LGP, brightness is even.

Description of drawings

Accompanying drawing is used to provide further understanding of the present utility model, is used from explanation the utility model with embodiment one of the present utility model, does not consist of to restriction of the present utility model, in the accompanying drawings:

Fig. 1 is the structural representation in a kind of LED-backlit of the utility model source.

Fig. 2 is the structural representation of the utility model protection underframe.

In Fig. 1, Fig. 2, include:

1---the protection underframe;

2---reflector plate;

3---LGP;

4---diffusion sheet;

5---brightening piece;

6---the LED lamp;

7---draw-in groove;

8---frame;

9---fixed projection;

10---cylinder diffusion point;

11---black glue frame;

12---screening glass.

The specific embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in restriction the utility model.

As shown in Figure 1; a kind of LED-backlit described in the utility model source; comprise the protection underframe 1, reflector plate 2, the LGP 3 that arrange from bottom to top; LGP 3 tops set gradually diffusion sheet 4 and brightening piece 5; LGP 3 tops also are provided with black glue frame 11 and screening glass 12 successively; black glue frame 11 prevents the light side leakage, and screening glass 12 is inner each functional layer of protection backlight effectively.

LGP 3 sides are provided with LED lamp 6, and the corresponding LED lamp 6 of protection underframe 1 side is provided with the draw-in groove 7 of fixed L ED lamp 6, and LED lamp 6 is fixed in the draw-in groove 7, can not move everywhere.

As shown in Figure 2, protection underframe 1 edge arranges frame 8, and frame 8 is one-body molded fixed projection 9; fixed projection 9 is fixed on reflector plate 2, LGP 3 in the frame 8 of protection underframe 1, and product is durable, good stability; and fixed projection 9 cooperates with LGP 3, prevents the light side leakage.

LGP 3 bottoms are provided with cylinder diffusion point 10, and the light generation diffuse reflection that cylinder diffusion point 10 sends LED lamp 6 makes backlight luminous evenly.

It should be noted that at last: above only is preferred embodiment of the present utility model; be not limited to the utility model; although with reference to embodiment the utility model is had been described in detail; for a person skilled in the art; it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing; perhaps part technical characterictic wherein is equal to replacement; but all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. a LED-backlit source is characterized in that, comprises from bottom to top the protection underframe, reflector plate, the LGP that arrange, and described LGP side is provided with the LED lamp, and described protection underframe edge arranges frame, and described frame is one-body molded fixed projection.

2. LED-backlit according to claim 1 source is characterized in that, described LGP top sets gradually diffusion sheet and brightening piece.

3. LED-backlit according to claim 1 source is characterized in that, described LGP bottom is provided with the diffusion point.

4. LED-backlit according to claim 3 source is characterized in that described diffusion point is cylinder.

5. LED-backlit according to claim 1 source is characterized in that, described LGP top also is provided with black glue frame and screening glass successively.

6. according to claim 1 to 5 each described LED-backlit sources, it is characterized in that described protection underframe side is provided with the draw-in groove of fixed L ED lamp.