CN215006182U

CN215006182U - Novel backlight source with novel diffusion structure for improving darkening of tail blind hole

Info

Publication number: CN215006182U
Application number: CN202121496414.XU
Authority: CN
Inventors: 伯红权
Original assignee: Dongguan Yusheng Electronic Technology Co ltd
Current assignee: Dongguan Yusheng Electronic Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-03
Anticipated expiration: 2031-07-02

Abstract

The utility model discloses a novel diffusion structure improves afterbody blind hole and sends out dark novel backlight, including the adhesive tape frame, fixed mounting has the shading glue film on the adhesive tape frame, the inside of adhesive tape frame has set gradually membrane, diffusion barrier, light guide plate and reflector plate down from last, the silk screen printing has black ink strip on the diffusion barrier, the groove of cutting has been seted up on the black ink strip, the shading glue film, go up membrane, diffusion barrier, light guide plate, reflector plate and the adhesive tape frame of adding lustre to down have all seted up the blind hole, seven groups the blind hole is the alignment setting, black ink strip is located the limit portion of diffusion barrier one end, cut off the corresponding setting of blind hole on groove and the diffusion barrier, the utility model discloses the black ink strip part at the back of excision on the diffusion barrier can effectively improve the dark condition of backlight blind hole, improves the quality of backlight.

Description

Novel backlight source with novel diffusion structure for improving darkening of tail blind hole

Technical Field

The utility model relates to an electronic product backlight technical field specifically is a novel backlight that tail blind hole is darkened is improved to new diffusion barrier.

Background

Along with the development of mobile phone technology, novel blind hole cell-phones are more and more common, and the blind hole backlight production technology is more generally the backlight degree of difficulty than generally, and at present, the cell-phone backlight adopts the plastic frame usually or adopts plastic and iron frame an organic whole as the frame, pastes a photomask on the frame, and one side is used for pasting fixed optical film material, and liquid crystal display is pasted to the other side, laminates touch-sensitive screen or glass apron on the display screen, and touch-sensitive screen or glass apron are pasted on the cell-phone shell.

However, in the prior art, the blind holes of the backlight source are located in the middle, and the light source cannot pass through the blind holes, so that the phenomenon of darkening behind the blind holes is easily caused, and therefore a novel backlight source with a novel diffusion structure for improving darkening of the blind holes at the tail part needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new diffusion barrier improves the dark novel backlight of afterbody blind hole, and the dark ink stick part in the back of blind hole on the excision diffusion barrier can effectively improve the dark condition of backlight blind hole, improves the quality of backlight to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel backlight of tail blind hole darkening is improved to new diffusion texture, includes gluey chase, fixed mounting has the shading glue film on the gluey chase, the inside of gluey chase is from last to having set gradually up membrane, diffusion barrier, light guide plate and reflector plate down, the silk screen printing has black ink strip on the diffusion barrier, the last cutting groove of having seted up of black ink strip.

Preferably, the shading glue layer, the upper brightness enhancement film, the lower brightness enhancement film, the diffusion film, the light guide plate, the reflector plate and the rubber frame are all provided with blind holes, and seven groups of blind holes are arranged in an aligned mode.

Preferably, the black ink strip is located at the edge of one end of the diffusion film, and the cutting groove and the blind hole in the diffusion film are correspondingly arranged.

Preferably, a lamp strip is fixedly mounted on the light guide plate, the lamp strip is set to be an LED lamp strip, and the width of the lamp strip is aligned with the width of the light guide plate.

Preferably, the chamfer has been seted up at the corner of indisputable frame of gluing, go up the inner wall setting of limit portion laminating indisputable frame of membrane, diffusion barrier, light guide plate and reflector plate of adding lustre to down.

Preferably, the inner wall fixedly connected with stopper of glued membrane frame, the spacing groove has been seted up to the one end of reflector plate, the stopper joint is in the inside of spacing groove.

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

through the design of blind hole, black ink stick and cut-off groove, black ink stick is located the limit portion of diffusion barrier one end, has seted up the cut-off groove on the black ink stick, and the center of cut-off groove and the center of the blind hole on the diffusion barrier are located same straight line, and are concrete, cut off the back that the trench is located the blind hole on the diffusion barrier, the utility model discloses the dark ink stick part in back of blind hole on the excision diffusion barrier can effectively improve the dark condition of backlight blind hole, improves the quality of backlight.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic sectional structure of the present invention;

FIG. 4 is an enlarged view of the structure of the portion B in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the structure of the blind hole and the cutting groove in the present invention.

In the figure: 1. a light-shielding adhesive layer; 2. an upper brightness enhancement film; 3. a lower brightness enhancement film; 4. a diffusion membrane; 5. a light bar; 6. a light guide plate; 7. a reflective sheet; 8. black ink sticks; 9. a rubber frame; 10. cutting off the groove; 11. and (4) blind holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a technical solution: a novel backlight source with a new diffusion structure and improved tail blind hole darkening comprises a rubber frame 9, wherein a shading glue layer 1 is fixedly installed on the rubber frame 9, an upper brightening film 2, a lower brightening film 3, a diffusion film 4, a light guide plate 6 and a reflector plate 7 are sequentially arranged in the rubber frame 9 from top to bottom, a black ink strip 8 is silk-printed on the diffusion film 4, the thickness of the black ink strip 8 is 0.3mm, one side of the black ink strip 8 is obliquely arranged, a cutting groove 10 is formed in the black ink strip 8, and the groove surface of the cutting groove 10 is set to be a curved surface;

the black ink bar 8 is positioned on the edge of one end of the diffusion film 4, the distance between the black ink bar 8 and the blind hole 11 is smaller, the cutting groove 10 and the blind hole 11 on the diffusion film 4 are correspondingly arranged, and specifically, the center of the cutting groove 10 and the center of the blind hole 11 on the diffusion film 4 are positioned on the same straight line;

fixed mounting has lamp strip 5 on light guide plate 6, lamp strip 5 sets up to LED lamp strip, the width of lamp strip 5 and the width alignment setting of light guide plate 6, the chamfer has been seted up to the corner of glued membrane frame 9, play the guard action to the user, prevent to prick the hand, go up membrane 2 that adds lustre to, membrane 3 adds lustre to down, diffusion barrier 4, the inner wall setting of glued membrane frame 9 is all laminated to the limit portion of light guide plate 6 and reflector plate 7, the inner wall fixedly connected with stopper of glued membrane frame 9, the stopper is provided with the multiunit, and the serration structure is constituteed to the multiunit stopper, the spacing groove has been seted up to the one end of reflector plate 7, the stopper joint is in the inside of spacing groove, increase reflector plate 7 at the inside stable effect of glued membrane frame 9.

In the processing process of the device, the black ink strips 8 are silk-screened at the positions, close to the edges, on the diffusion film 4, after the black ink strips 8 are air-dried, a cutting groove 10 is formed in the black ink strips 8, and the cutting groove 10 is positioned behind the blind holes 11 in the diffusion film 4, so that the darkening condition of the blind holes 11 of the backlight source can be effectively improved, and the quality of the backlight source is improved;

then install lamp strip 5 in the one end of light guide plate 6 to once install reflector plate 7, light guide plate 6, diffusion barrier 4, lower membrane 3 that adds lustre to and last membrane 2 that adds lustre to in the inside of indisputable frame 9, last again with shading glue film 1 set up on indisputable frame 9 can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel backlight of tail blind hole darkening is improved to new diffusion barrier structure, includes glued chase (9), its characterized in that: fixed mounting has shading glue film (1) on gluey chase (9), the inside of gluey chase (9) is from last to having set gradually under to membrane (2), membrane (3), diffusion barrier (4), light guide plate (6) and reflector plate (7) that add light, silk screen printing has black ink stick (8) on diffusion barrier (4), cut-off groove (10) have been seted up on black ink stick (8).

2. The novel backlight source of claim 1, wherein the novel diffusion structure improves the darkening of the blind holes at the tail part, and the backlight source comprises: all seted up blind hole (11), seven groups on shading glue film (1), last membrane (2) that adds lustre to, membrane (3) that adds lustre to down, diffusion barrier (4), light guide plate (6), reflector plate (7) and indisputable frame of glue (9) blind hole (11) are the alignment setting.

3. The novel backlight source of claim 2, wherein the novel diffusion structure improves the darkening of the blind holes at the tail part, and the backlight source comprises: the black ink strip (8) is positioned at the edge of one end of the diffusion film (4), and the cutting groove (10) and the blind hole (11) in the diffusion film (4) are correspondingly arranged.

4. The novel backlight source of claim 1, wherein the novel diffusion structure improves the darkening of the blind holes at the tail part, and the backlight source comprises: the LED lamp is characterized in that a lamp strip (5) is fixedly mounted on the light guide plate (6), the lamp strip (5) is arranged to be an LED lamp strip, and the width of the lamp strip (5) is aligned with the width of the light guide plate (6).

5. The novel backlight source of claim 1, wherein the novel diffusion structure improves the darkening of the blind holes at the tail part, and the backlight source comprises: the chamfer has been seted up at the corner of glued membrane frame (9), go up the inner wall setting of limit portion laminating glued membrane frame (9) of membrane (2), lower membrane (3), diffusion barrier (4), light guide plate (6) and reflector plate (7) that adds lustre to.

6. The novel backlight source of claim 1, wherein the novel diffusion structure improves the darkening of the blind holes at the tail part, and the backlight source comprises: the inner wall fixedly connected with stopper of glued membrane frame (9), the spacing groove has been seted up to the one end of reflector plate (7), the stopper joint is in the inside of spacing groove.