CN208922024U - A kind of liquid crystal display television backlight module - Google Patents

Abstract

The utility model discloses a kind of liquid crystal display television backlight modules, belong to field of display technology, including being configured for that the liquid crystal display panel of image frame is presented, it is configured in the optical diaphragm of liquid crystal display panel back side, light guide plate below optical diaphragm is set, backboard below tabula rasa is set, reflector plate between backboard and the light guide plate is set, reflector plate includes first horizontal portion, first vertical component effect and the second horizontal part, first horizontal portion is between backboard and light guide plate, second horizontal position is between optical diaphragm and liquid crystal display panel, optical diaphragm is fixed on the lower surface of the second horizontal part by the way of bonding, namely optical diaphragm is fixed between light guide plate and liquid crystal display panel using by the way of the attached glue in reflector plate day side, the width spaces of backlight module are rationally utilized, avoid side caused by traditional diaphragm fixed form The light transmission technological deficiency of width of frame problem and appearance, the diaphragm that can be widely used in ultra-narrow frame or Rimless backlight module are fixed.

Description

A kind of liquid crystal display television backlight module

Technical field

The utility model relates to liquid crystal display processing technology field more particularly to a kind of liquid crystal display television backlight modules.

Background technique

With the continuous renewal of display, liquid crystal display due to have the characteristics that light, thin, small and power consumption is low and by To the favor of people.With the continuous development of technology, requirement of the consumer to display device is higher and higher, bigger in order to obtain Effective area, the display device of narrow frame have become new development trend.

Diaphragm fixed form directly processes diaphragm hangers usually on center when existing Rimless liquid crystal display designs, Diaphragm stretches out boss, and in center diaphragm hangers position, correspondence does cut, and diaphragm hangers is hanging on center diaphragm hangers.This scheme The problem of be, since the feature of all components of diaphragm hanger structure is distributed in same level, to be illustrated in fig. 1 shown below, panel Each size in the area BM and different manufacturers are not of uniform size, and the smallest in panel resource at present is 5mm, due to diaphragm hangers to viewing area Domain has a certain distance to require A, and notch otherwise can be immediately seen from display area leads to subjective impairment, and usual A value is 1.0mm More than, diaphragm hangers openings of sizes is limited to the processing minimum widith of center diaphragm hangers, i.e. B value usually (contains in 1.0mm or so The gap of hangers extended distance center hangers and the width of center hangers), diaphragm is limited to the size of cut width, i.e. C value is logical Often in 1.5mm or more, diaphragm hangers Edge Distance face plate edge be similarly limited to subjective questions avoid hangers directly from panel with See in gap between center, i.e. D value is usually in 1.0mm or more, and such A+B+C+D is more than or equal to 4.5mm, and existing Display panel Region BM value usually in 5mm or so, only 0.5mm less than preset space, this 0.5 value is unsatisfactory for component processing tolerance and dress With tolerance, easily lead to the technological deficiency for light transmission occur.

Summary of the invention

The utility model provides a kind of liquid crystal display television backlight module, it is desirable to provide one kind is suitable for ultra-narrow frame or nothing The diaphragm fixed form of frame backlight mould group rationally utilizes the structure space of backlight module in the direction of the width, solves in root The light transmission technological deficiency of border width problem caused by existing diaphragm fixed form and appearance.

Specific technical solution provided by the utility model is as follows:

A kind of liquid crystal display television backlight module provided by the utility model includes being configured for that image frame is presented Liquid crystal display panel, the optical diaphragm for being configured in the liquid crystal display panel back side, the light guide plate being arranged in below the optical diaphragm, The reflector plate that backboard below the light guide plate is set, is arranged between the backboard and the light guide plate, wherein described anti- Penetrating piece includes first horizontal portion, the first vertical component effect and the second horizontal part, and the first horizontal portion is located at the backboard and described leads Between tabula rasa, second horizontal position is between the optical diaphragm and the liquid crystal display panel, and the optical diaphragm is using viscous The mode connect is fixed on the lower surface of second horizontal part.

Optionally, the backlight module includes glue frame and light source, and the light source setting is described in the light guide plate incidence surface Light source is configured to project light and provides backlight when image frame is presented for the liquid crystal display panel after the light guide plate.

Optionally, one-stage folding line and second level broken line are provided on the reflector plate, wherein the one-stage folding line is located at described Between first vertical component effect and the first horizontal portion, the second level broken line is located at first vertical component effect and second horizontal part Between.

Optionally, the lower surface of second horizontal part is the attached glue-line of reflector plate, and the attached glue-line of reflector plate is for being bonded The fixed optical diaphragm.

Optionally, the height of first vertical component effect is the sum of the thickness of the light guide plate and the optical diaphragm.

The beneficial effects of the utility model are as follows:

It includes being configured for image is presented drawing that the utility model embodiment, which provides a kind of liquid crystal display television backlight module, The liquid crystal display panel in face, the optical diaphragm for being configured in liquid crystal display panel back side, the light guide plate being arranged in below optical diaphragm, setting Backboard below tabula rasa, the reflector plate being arranged between backboard and the light guide plate, wherein reflector plate includes first level Portion, the first vertical component effect and the second horizontal part, first horizontal portion is between backboard and light guide plate, and the second horizontal position is in optical film Between piece and liquid crystal display panel, optical diaphragm is fixed on lower surface namely the optical diaphragm of the second horizontal part by the way of bonding It is fixed between light guide plate and liquid crystal display panel using by the way of the attached glue in reflector plate day side, backlight module is rationally utilized Width spaces avoid the light transmission technological deficiency of border width problem caused by traditional diaphragm fixed form and appearance, Ke Yiguang The general diaphragm suitable for ultra-narrow frame or Rimless backlight module is fixed.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the back light module unit structure schematic diagram in prior art；

Fig. 2 is the structural schematic diagram of the liquid crystal display television backlight module of the utility model embodiment；

Fig. 3 is the structural schematic diagram of the reflector plate of the utility model embodiment；

Fig. 4 is the assembling schematic diagram of the liquid crystal display television backlight module of the utility model embodiment.

Specific embodiment

It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work Under the premise of all other embodiment obtained, fall within the protection scope of the utility model.

It is carried out below in conjunction with structure of Fig. 1 ~ Fig. 4 to a kind of liquid crystal display television backlight module of the utility model embodiment Detailed description.

Shown in referring to figs. 2 and 3, a kind of liquid crystal display television backlight module provided by the embodiment of the utility model includes being matched It is set to the liquid crystal display panel 1 of image frame for rendering, the optical diaphragm 2 for being configured in 1 back side of liquid crystal display panel, is arranged in optics The light guide plate 3 of 2 lower section of diaphragm, the backboard 4 being arranged in below light guide plate 3, the reflector plate being arranged between backboard 4 and light guide plate 3 5, wherein reflector plate 5 includes first horizontal portion 501, the first vertical component effect 502 and the second horizontal part 503, the first vertical component effect 502 with Vertical between first horizontal portion 501 and the second horizontal part 503, first horizontal portion 501 is between backboard 4 and light guide plate 3, and the One vertical component effect 502 is located at the side of light guide plate 3, and the second horizontal part 503 is between optical diaphragm 2 and liquid crystal display panel 1, optical film Piece 2 is fixed on the lower surface of the second horizontal part 503 by the way of bonding.

Wherein, light guide plate is known as light-emitting surface close to the one side of liquid crystal display panel, and the one side opposite with light-emitting surface is known as light-emitting surface The back side, the one side by close to sources are incidence surface.Light guide plate generally uses high reflection and the not material of extinction, and surface is very smooth flat It is whole, so that light non-dot location in light guide plate is totally reflected, without injecting to outside light guide plate.Go out light in light guide plate Face is provided with site on the back side, and when light travels to the site, since dot location is no longer smooth, light occurs unrestrained anti- It penetrates, light is reflected to all angles, is projected from the light-emitting surface of light guide plate.In order to guarantee from the injection of light guide plate light-emitting surface each position Light is uniform, is accurately designed the density distribution of site, size needs.Usually, in the position closer apart from light source Set that network point distribution is more sparse, the position network point distribution remoter apart from light source is more intensive.

If being only provided with a light source, then the distribution situation of site is from close to sources to closer and closer at distance light source Collection；If the two sides in light guide plate are provided with light source, then the distribution situation of site is that centre is intensive, both sides are sparse.Work as light In light guide plate occur diffusing reflection when, have some light from the light guide plate light-emitting surface back side project, the effect of reflector plate be by The light projected from the light guide plate light-emitting surface back side is reflected back in light guide plate, to improve the service efficiency of light.

With reference to shown in Fig. 2 and Fig. 4, the liquid crystal display television backlight module of the utility model embodiment further includes glue frame 5 and light Source, wherein light source setting shines in the incidence surface of 3 incidence surface of light guide plate namely light source face light guide plate 3, and light source is configured to It projects light and provides backlight when image frame is presented for liquid crystal display panel 1 after 3 through the light guide plate.Refering to what is shown in Fig. 2, liquid crystal display panel 1 Black surround width be less than or equal to 3mm, glue frame 5 be T-type structure, wherein glue frame 5 is fixed on backboard 4, glue frame 5 be used to support and Fixed liquid crystal display panel 1.

With reference to shown in Fig. 3 and Fig. 4, one-stage folding line 504 and second level broken line 505 are provided on reflector plate 5, wherein level-one folding For line 504 between the first vertical component effect 502 and first horizontal portion 501, second level broken line 505 is located at the first vertical component effect 502 and second Between horizontal part 503.After the first horizontal portion 501 of reflector plate 5 is mounted between light guide plate 3 and backboard 4, reflector plate 5 is around leading Tabula rasa 3 is folded upward at along one-stage folding line 504 and second level broken line 505 to form the first vertical component effect 502 and the second horizontal part 503.And And second the lower surface of horizontal part 503 be the attached glue-line of reflector plate, wherein the attached glue-line of reflector plate is for being adhesively fixed optical diaphragm 2 namely second horizontal part 503 along second level broken line 505 around light guide plate 3 bending after, lower surface bonds are fixed on optical diaphragm 2 Upper surface, to realize being adhesively fixed for optical diaphragm 2.

Shown in referring to figs. 2 and 3, the height of the first vertical component effect 502 is the sum of the thickness of light guide plate 3 and optical diaphragm 2, with Optical diaphragm 2 can be carried out reliably when the lower surface bonds of the second horizontal part 503 are fixed on the upper surface of optical diaphragm 2 by realizing Be adhesively fixed.

It includes being configured for image is presented drawing that the utility model embodiment, which provides a kind of liquid crystal display television backlight module, The liquid crystal display panel in face, the optical diaphragm for being configured in liquid crystal display panel back side, the light guide plate being arranged in below optical diaphragm, setting Backboard below tabula rasa, the reflector plate being arranged between backboard and the light guide plate, wherein reflector plate includes first level Portion, the first vertical component effect and the second horizontal part, vertical between the first vertical component effect and first horizontal portion and the second horizontal part, the first water Flat portion between backboard and light guide plate, the first vertical position in the side of light guide plate, the second horizontal position in optical diaphragm with Between liquid crystal display panel, optical diaphragm is fixed on the lower surface of the second horizontal part by the way of bonding namely optical diaphragm uses It is fixed between light guide plate and liquid crystal display panel in the mode of the attached glue in reflector plate day side, the width of backlight module is rationally utilized Space avoids the light transmission technological deficiency of border width problem caused by traditional diaphragm fixed form and appearance, can fit extensively Diaphragm for ultra-narrow frame or Rimless backlight module is fixed.

Obviously, those skilled in the art the utility model embodiment can be carried out various modification and variations without departing from The spirit and scope of the utility model embodiment.In this way, if these modifications and variations of the utility model embodiment belong to this Within the scope of utility model claims and its equivalent technologies, then the utility model is also intended to encompass these modification and variations and exists It is interior.

Claims (5)

1. a kind of liquid crystal display television backlight module, which is characterized in that the backlight module includes being configured for that image is presented The liquid crystal display panel of picture, is arranged in below the optical diaphragm optical diaphragm for being configured in the liquid crystal display panel back side Light guide plate, the backboard being arranged in below the light guide plate, the reflector plate being arranged between the backboard and the light guide plate, In, the reflector plate includes first horizontal portion, the first vertical component effect and the second horizontal part, and the first horizontal portion is located at the backboard Between the light guide plate, second horizontal position is between the optical diaphragm and the liquid crystal display panel, the optical film Piece is fixed on the lower surface of second horizontal part by the way of bonding.

2. backlight module according to claim 1, which is characterized in that the backlight module includes glue frame and light source, described Light source is arranged in the light guide plate incidence surface, and it is the liquid crystal surface after the light guide plate that the light source, which is configured to project light, Plate provides backlight when image frame is presented.

3. backlight module according to claim 2, which is characterized in that be provided with one-stage folding line and second level on the reflector plate Broken line, wherein between first vertical component effect and the first horizontal portion, the second level broken line is located at the one-stage folding line Between first vertical component effect and second horizontal part.

4. backlight module according to claim 3, which is characterized in that the lower surface of second horizontal part is that reflector plate is attached Glue-line, the attached glue-line of reflector plate is for the optical diaphragm that is adhesively fixed.

5. backlight module according to claim 4, which is characterized in that the height of first vertical component effect is the light guide plate The sum of with the thickness of the optical diaphragm.