CN208092268U - Extinction composite sheet, backlight module and display equipment - Google Patents

Abstract

The utility model is related to back light model setting technology fields, specifically, it is to be related to a kind of extinction composite sheet, backlight module using the extinction composite sheet and the display equipment including the backlight module, extinction composite sheet includes double faced adhesive tape, release paper on a surface of double faced adhesive tape is set and is arranged on another surface of double faced adhesive tape and is used for light-absorbing extinction structure, the extinction structure includes multiple first extinction matrixes of the face center positioned at double faced adhesive tape and the second extinction matrix for being arranged on the outside of multiple first extinction matrixes, setting is spaced between each first extinction matrix, second extinction matrix is arranged along the entire circumferentially extending of double faced adhesive tape；The structure only can be solved the abnormal bright border problem at display screen edge by simple extinction structure, and avoid Printing screen, purchase ink and cutting die make etc. cost input, it is effectively reduced cost, and then is conducive to the industrialized production of the backlight module and display equipment using the extinction composite sheet.

Description

Extinction composite sheet, backlight module and display equipment

Technical field

The utility model is related to back light model setting technology fields, specifically, being to be related to a kind of extinction composite sheet, using the suction The backlight module of photoreactivation piece and display equipment including the backlight module.

Background technology

Current display equipment, especially in television backlight field, most of down straight aphototropism mode set is in order to save light extraction from damage Uniformity, selection arrange LED light close to surrounding, and screen surrounding is caused bright frame or the apparent problem of bright border occur；In addition, low mixed The display module of light height is more easy to screen surrounding occur to lead to the problem of bright border using mirror lens.

In order to solve the problems, such as that above-mentioned screen light extraction is non-uniform, there are two types of the solutions generally used in industry at present： There are the position of bright border printing ink or by being realized in white anti-corresponding position punching；But printing ink need to debug halftone And printing oil proportion, labor intensive and cost；Its cutting die cost of manufacture is high in white anti-puncturing schemes, and cutting die service life is short, and The quality abnormal of module is be easy to cause during punching discharge.

Utility model content

The purpose of this utility model is to provide a kind of extinction composite sheets being attached to Bai Fanshang, it is intended to solve for aobvious The abnormal bright border phenomenon at display screen edge, the printing ink of use and the higher technology of scheme cost in white anti-upper punching are asked Topic.

To achieve the above object, the technical solution adopted in the utility model is：A kind of extinction composite sheet is provided, including two-sided Adhesive tape, the release paper being arranged on a surface of the double faced adhesive tape and it is arranged on another surface of the double faced adhesive tape And it is used for light-absorbing extinction structure；The extinction structure includes multiple first of the face center positioned at the double faced adhesive tape Extinction matrix and the second extinction matrix being arranged on the outside of multiple first extinction matrixes, between each first extinction matrix Interval setting, the second extinction matrix are arranged along the entire circumferentially extending of the double faced adhesive tape.

Further, multiple first extinction matrixes and the second extinction matrix are the poly terephthalic acid of black Glycol ester extinction matrix.

Further, the second extinction matrix has one to be used to answer the extinction when the extinction composite sheet is bonded The true edge that piece is positioned is closed, the true edge is located at the outer ledge of the second extinction matrix.

Further, the cross-sectional shape of multiple first extinction matrixes is circle, the second extinction matrix Cross-sectional shape is more frame shapes.

Further, the second extinction matrix has the first moulding comprising the true edge, parallel and interval setting It is connected to the side on first moulding and second moulding in the second moulding of first moulding side and enclosing Moulding.

Further, the cross-sectional diameter size of multiple first extinction matrixes is different.

Further, it is provided with gap between the second extinction matrix and the first extinction matrix.

The advantageous effect of extinction composite sheet provided by the utility model is：It is compared with the prior art, the utility model carries A kind of extinction composite sheet gone out, including double faced adhesive tape, the release paper that is arranged on a surface of double faced adhesive tape and setting exist On another surface of double faced adhesive tape and it is used for light-absorbing extinction structure, which to include positioned at the surface of double faced adhesive tape Multiple first extinction matrixes in center and the second extinction matrix being arranged on the outside of multiple first extinction matrixes, each first extinction base Setting is spaced between body, the second extinction matrix is arranged along the entire circumferentially extending of double faced adhesive tape；The structure is only by simply inhaling Photo structure can be solved the abnormal bright border problem at display screen edge, and be effectively reduced cost, avoid such as Printing screen, Purchase the cost input of ink and cutting die making etc..

The advantageous effect of backlight module provided by the utility model is：It is compared with the prior art, the utility model proposes A kind of backlight module, including Bai Fanhe is adhered to the above-mentioned extinction structure of Bai Fanshang, the stick operation feasibility of extinction structure By force, and influence of the process to backlight module technological quality is reduced；The extinction structure can not only eliminate backlight module edge Bright frame, improve the uniformity of the backlight module light extraction, and greatly reduce the manufacturing cost of the backlight module, be beneficial to its work Industry metaplasia is produced.

The advantageous effect of display equipment provided by the utility model is：It is compared with the prior art, the utility model proposes A kind of display equipment, including above-mentioned backlight module；The display screen edge of the display equipment without abnormal bright border, quality compared with It is high；And manufacturing cost is relatively low, is beneficial to the price advantage for improving the display equipment and the entire product using the display equipment.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the floor map for the extinction composite sheet that the utility model embodiment provides；

Fig. 2 is the floor map for the backlight module that the utility model embodiment provides.

Wherein, each reference numeral in figure：

1：Release paper 22：Double faced adhesive tape

21：Extinction structure 212：Second extinction matrix

211：First extinction matrix 20：Gap

220：True edge 222：Second moulding

221：First moulding 3：Backlight module

223：Side moulding 31：It is white anti-

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.

It is to be appreciated that the orientation or positional relationship of the instructions such as term "upper", "lower", "vertical", "horizontal" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than indicates or imply institute The device or element of finger must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this hair Bright limitation.

In the present invention unless specifically defined or limited otherwise, the terms such as term " connected ", " connection " should be done extensively Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or integral；It can be directly connected, it can also Indirectly connected through an intermediary, can be the interaction relationship of connection or two elements inside two elements.For this For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

As depicted in figs. 1 and 2, it is a preferred embodiment provided by the utility model.

A kind of extinction composite sheet provided in this embodiment, including double faced adhesive tape 22, a table in double faced adhesive tape 22 is set Release paper 1 on face and it is arranged on another surface of double faced adhesive tape 22 and is used for light-absorbing extinction structure 21；Extinction Structure 21 includes multiple first extinction matrixes 211 of the face center positioned at double faced adhesive tape 22 and is arranged in multiple first extinction bases The second extinction matrix 212 in the outside of body 211 is spaced setting between each first extinction matrix 211, and the second extinction matrix 212 is along double The entire circumferentially extending of face adhesive tape 22 is arranged；The structure only can be solved display screen edge by simple 21 structure of extinction structure Abnormal bright border problem, be effectively reduced cost, avoid Printing screen, purchase ink and cutting die make etc. at This input.

Specifically, which is but is not limited to acrylic adhesive tape；Above-mentioned multiple first extinction matrixes and second Extinction matrix is polyethylene terephthalate (PET, Polyethylene terephthalate) extinction base of black Body, black have preferable light absorptive, can effectively absorb display screen edge light；As shown in Figure 1, in the present embodiment, second Extinction matrix 212 has a true edge 220 for being positioned to extinction composite sheet when extinction composite sheet is bonded, the benchmark Side 220 is located at the outer ledge of the second extinction matrix 212, i.e. true edge 220 is the side of the bottom of the second extinction matrix 212 Side also may be set to other sides of the second extinction matrix 212 certainly, as long as the setting of true edge 220 is convenient in white anti-upper attaching Extinction structure 21, does not limit uniquely specifically herein.

In one embodiment of the utility model, referring to Fig. 1, the cross-sectional shape of multiple first extinction matrixes 211 For circle, can cut off to obtain by laser or laser carving technique, as further optimizing, the cross of multiple first extinction matrixes 211 Diameter of section size can be different, wherein the tool of the particular number of the first extinction matrix 211 and each first extinction matrix 211 Body diameter value, does not limit uniquely herein.

In addition, the cross-sectional shape of the second extinction matrix 212 can be more frame shapes, further, the second extinction matrix 212 With the first moulding 221 comprising true edge 220, the second moulding 222 that is parallel and being arranged at intervals on 221 side of the first moulding with And enclose the side moulding 223 being connected on the first moulding 221 and the second moulding 222, it should be noted that the second extinction matrix 212 cross-sectional shape should be corresponding with the white anti-shape of the 31 side positions Dai Tie, as shown in Fig. 2, its side of different sticking positions The shape of frame bar 223 may be configured as difference, not limit uniquely herein specifically.

Further, it please continue to refer to Fig. 1, is set between the second extinction matrix 212 and outermost first extinction matrix 211 It is equipped with gap 20, consequently facilitating the independent processing of the first extinction matrix 211 and the second extinction matrix 212, and ensure two when extinction Person is non-interference, the problem of efficiently solving module surrounding bright frame.

The utility model proposes a kind of backlight module 3, please refer to Fig. 2, including white anti-31 and be adhered on white anti-31 Above-mentioned extinction structure 21；Specifically, the method on backlight module 3 is used to be the extinction composite sheet：First tear off first from Type paper, is subject to the true edge 220 of the second extinction matrix 212, extinction structure 21 is labelled on white anti-31, at this point, gum part The first extinction matrix 211 and the second extinction matrix 212 be pasted on white anti-31, ensureing the first extinction matrix 211 and the After two extinction matrixes 212 are clinged with white anti-31, the second release paper is torn off；It can be seen that the stick operation of the extinction structure 21 Easy and feasibility is strong, reduces influence of the process to 3 technological quality of backlight module；The extinction structure 21 can not only be eliminated The bright frame at 3 edge of backlight module, improves the uniformity of 3 light extraction of backlight module, and greatly reduces the manufacture of the backlight module 3 Cost helps to realize its industrialized production.

The utility model proposes a kind of display equipment (not shown), including above-mentioned backlight module 3；The display equipment Without abnormal bright border, quality is higher at display screen edge；And manufacturing cost is relatively low, is beneficial to improve the display equipment and be shown using this Show the price advantage of the entire product of equipment.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (9)

1. extinction composite sheet, which is characterized in that including double faced adhesive tape, be arranged it is release on a surface of the double faced adhesive tape Paper and be arranged on another surface of the double faced adhesive tape and be used for light-absorbing extinction structure；The extinction structure includes Positioned at multiple first extinction matrixes of the face center of the double faced adhesive tape and setting on the outside of multiple first extinction matrixes The second extinction matrix, setting is spaced between each first extinction matrix, the second extinction matrix is along the double faced adhesive tape Entire circumferentially extending setting.

2. extinction composite sheet according to claim 1, it is characterised in that：Multiple first extinction matrixes and described second Extinction matrix is the polyethylene terephthalate extinction matrix of black.

3. extinction composite sheet according to claim 1, it is characterised in that：The second extinction matrix has one to be used in institute The true edge positioned to the extinction composite sheet when fitting of extinction composite sheet is stated, the true edge is located at second extinction The outer ledge of matrix.

4. according to claims 1 to 3 any one of them extinction composite sheet, it is characterised in that：Multiple first extinction matrixes Cross-sectional shape be circle, the cross-sectional shape of the second extinction matrix is more frame shapes.

5. extinction composite sheet according to claim 3, it is characterised in that：The second extinction matrix, which has, includes the base It first moulding on quasi- side, the second moulding that is parallel and being arranged at intervals on first moulding side and encloses and is connected to described the Side moulding on one moulding and second moulding.

6. extinction composite sheet according to claim 4, it is characterised in that：The cross section of multiple first extinction matrixes is straight Diameter size is different.

7. extinction composite sheet according to claim 4, it is characterised in that：The second extinction matrix and first extinction Gap is provided between matrix.

8. backlight module, which is characterized in that using such as claim 1~7 any one of them extinction composite sheet.

9. showing equipment, which is characterized in that including backlight module as claimed in claim 8.