CN211427747U

CN211427747U - Flat backlight source module capable of preventing lamp explosion and flat panel display equipment

Info

Publication number: CN211427747U
Application number: CN202020538719.1U
Authority: CN
Inventors: 鲁景阳; 曹俊威; 冯超
Original assignee: Shenzhen Hadbest Electronics Co ltd
Current assignee: Shenzhen Handamei Electronics Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-09-04
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a prevent flat panel backlight module of exploding lamp, including light source, light guide plate and reflection strip, and accept the light source the light guide plate with the lower chase of reflection strip, the light source sets up the light guide plate goes into the light side, a frame limit inner wall of chase down to the protruding window that forms in light guide plate one side, the window with chase forms down and accepts light source and part the accommodation space of light guide plate, wherein, the reflection strip covers and is close to light source one side the partial play plain noodles of light guide plate, just the plane of reflection strip with the play plain noodles contact of light guide plate. The utility model also discloses a flat panel display equipment. Through the structure, the defects that the bright edge of an optical explosion lamp occurs in front of a light source and the like caused by the gap of the contact part between the light incident side of the light guide plate and the rubber frame are effectively solved; and meanwhile, the quality and the production efficiency of the product are improved.

Description

Flat backlight source module capable of preventing lamp explosion and flat panel display equipment

Technical Field

The utility model relates to a flat panel display technology field especially relates to a prevent flat panel backlight module and flat panel display equipment of exploding lamp.

Background

The tablet personal computer is also called as a tablet computer, is a small-sized and portable personal computer, and takes a touch screen as basic input equipment. Tablet computers have a touch screen (also known as tablet technology) that allows a user to work with a stylus or a digitizer rather than a traditional keyboard or mouse. The user may enter the input through built-in handwriting recognition, on-screen soft keyboard, voice recognition, or a real keyboard if the model is equipped.

At present, the problem of optical medium-intensity discharge lamp, one of the common problems in flat backlight application, is mainly caused by: traditional light guide plate assembly: the light guide plate is directly assembled on the lamp strip and the reflecting film, so that the side of the light incident end of the light guide plate is easy to have a gap with the rubber frame to cause the undesirable phenomena of optical explosion, bright edge and the like in front of a light source.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent flat backlight module and flat panel display equipment of exploding lamp utilizes the reflection to solve the problem of optics bright border.

The utility model provides a prevent flat panel backlight module of exploding lamp, including light source, light guide plate and reflection strip, and accept the light source the light guide plate with the lower chase of reflection strip, the light source sets up the light guide plate goes into the light side, a frame limit inner wall of chase down to the protruding window that forms in light guide plate one side, the window with chase forms down and accepts light source and part the accommodation space of light guide plate, wherein, the reflection strip covers and is close to light source one side the partial play plain noodles of light guide plate, just the plane of reflection strip with the play plain noodles contact of light guide plate.

In one embodiment, a "" groove structure is arranged at the bottom of the window, an opening at one end of the groove structure faces the light guide plate, and the reflection strip is attached to the top of the groove structure.

In one embodiment, the depth of the groove structure is 0.05-0.15 mm.

In one embodiment, the reflective strips extend 0.5-1mm beyond the groove structure.

In one embodiment, a plurality of films are further disposed above the light guide plate, and the films overlap part of the reflective strips.

The utility model also provides a flat panel display equipment, including foretell dull and stereotyped backlight module that prevents to explode the lamp.

The utility model provides a prevent flat panel backlight module of exploding lamp, the reflection strip covers the partial play plain noodles of light guide plate that is close to light source one side, and the plane of reflection strip contacts with the play plain noodles of light guide plate, can solve effectively that the clearance of the contact part between light guide plate income light side and the gluey frame causes the light source to appear optics and explode the bright border; and meanwhile, the quality and the production efficiency of the product are improved.

Drawings

Fig. 1 is a schematic structural view of a lower iron frame according to an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic structural view of a flat panel backlight module for preventing lamp explosion according to an embodiment of the present invention;

fig. 4 is an enlarged view at B in fig. 3.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 4, the flat panel backlight module for preventing lamp explosion provided in the embodiment of the present invention includes a light source 2, a light guide plate 4, a reflective strip 9, and a lower bezel 1 accommodating the light source 2, the light guide plate 4, and the reflective strip 9. The light source 2 is arranged on the light incident side of the light guide plate 4, and the inner wall of one frame edge of the lower iron frame 1 protrudes to one side of the light guide plate 4 to form a window 101; the window 101 and the lower bezel 1 form an accommodating space 105 for accommodating the light source 2 and a portion of the light guide plate 4. The reflective strip 9 covers a part of the light-emitting surface of the light guide plate 4 close to the light source 2, and the reflective surface of the reflective strip 9 contacts with the light-emitting surface of the light guide plate 4.

The bottom of the window 101 is provided with a "" groove structure 103, and one end of the groove structure 103 is open toward the light guide plate 4. Specifically, the frame edge of the iron frame 1 is dug from the bottom of the window 101 near the light guide plate 4, so as to form a groove structure 103 in a shape of "" type ". The depth of the groove structure 103 is 0.05-0.15 mm.

The top of the groove structure 103 is attached to the reflective strip 9, and the length of the reflective strip 9 beyond the groove structure 103 is 0.5-1mm, i.e. the reflective strip 9 can cover a part of the light guide plate 4 outside the accommodating space 105. Because the reflection bar 9 does not have viscidity, be equipped with double faced adhesive tape 200 between groove structure 103 top and the laminating of reflection bar 9 to realize groove structure 103 top and the laminating of reflection bar 9. The reflecting strips 9 are attached in the groove structures 103, so that the thickness of the product is effectively reduced; meanwhile, the reflecting strips 9 do not lose optical brightness; yellowing phenomenon can not occur at high temperature; the operation is convenient; the cost is lower; the defects that the bright edge of an optical explosion lamp (light beam) occurs in front of a light source due to the gap of the contact part between the light incident side of the light guide plate 4 and the rubber frame 1 and the like can be solved; and meanwhile, the quality and the production efficiency of the product are improved.

In the present embodiment, the reflection surface of the reflection bar 4 is white.

A plurality of film materials are arranged above the light guide plate 4, and the film materials are laminated on the partial reflection strips 9. Light leakage is prevented by the lamination of the film material onto the reflection stripe 9. Wherein, the plurality of film materials comprise a diffusion film 5, a lower brightness enhancement film 6 and an upper brightness enhancement film 7 in sequence from bottom to top.

The flat backlight source module for preventing the explosion of the lamp is also provided with a reflecting film 3 and a rubber frame 8. The reflective film 3 is disposed under the light guide plate 4 to reflect light emitted from the bottom of the light guide plate, thereby enhancing the luminance of the light guide plate. The glue frame 8 is arranged above the upper brightness enhancement film 7, and the glue frame 8 can be clamped with the lower iron frame 1 to accommodate the light source 2, the reflection film 3, the light guide plate 4, the reflection strip 9, the diffusion film 5, the lower brightness enhancement film 6 and the upper brightness enhancement film 7.

In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. It will be understood that when an element such as a layer, region or substrate is referred to as being "formed on," "disposed on" or "located on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly formed on" or "directly disposed on" another element, there are no intervening elements present.

In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.

In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.

As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a prevent flat panel backlight module of exploding lamp, its characterized in that includes light source, light guide plate and reflection strip, and accepts the light source the light guide plate with the lower chase of reflection strip, the light source sets up the light guide plate goes into the light side, a frame limit inner wall of chase down to the protruding window that forms in light guide plate one side, the window with chase forms down and accepts light source and part the accommodation space of light guide plate, wherein, the reflection strip covers and is close to light source one side the partial play plain noodles of light guide plate, just the plane of reflection strip with the play plain noodles contact of light guide plate.

2. The flat panel backlight module for preventing the explosion of the lamp according to claim 1, wherein a "" groove structure is disposed at the bottom of the window, an opening at one end of the groove structure faces the light guide plate, and the reflective strip is attached to the top of the groove structure.

3. The flat panel backlight module for preventing the explosion of lamps according to claim 2, wherein the depth of the groove structure is 0.05-0.15 mm.

4. The flat panel backlight module for preventing the explosion of lamps according to claim 2, wherein the reflection bars exceed the groove structures by 0.5-1 mm.

5. The flat panel backlight module for preventing lamp explosion according to claim 1, wherein a plurality of films are further disposed above the light guide plate, and the plurality of films overlap a portion of the reflection strip.

6. A flat panel display apparatus comprising the flat panel backlight module of the explosion-proof lamp according to any one of claims 1 to 5.