CN208752360U - Display device, display panel and backlight module - Google Patents

Abstract

The disclosure is directed to field of display technology, a kind of display device, display panel and backlight module are provided.The backlight module includes light guide plate, transflection layer and light source, light guide plate includes shady face and light-emitting surface, the light-emitting surface includes connected the first sub- light-emitting surface and the second sub- light-emitting surface, the second sub- light-emitting surface is tilted to the shady face, and the second sub- light-emitting surface and the shady face are in default angle；Transflection layer is set to the described second sub- light-emitting surface, and can reflect simultaneously and transmitted ray；Light source is set to side of the shady face far from the described first sub- light-emitting surface, and is right against the transflection layer setting, for emitting light to the transflection layer.The backlight module of the disclosure can realize narrow frame design in the case where guaranteeing illumination effect.

Description

Display device, display panel and backlight module

Technical field

This disclosure relates to field of display technology, in particular to a kind of display device, display panel and backlight module.

Background technique

In field of display technology, Thin Film Transistor-LCD (Thin Film Transistor Liquid Crystal Display, abbreviation TFT-LCD) because it has the characteristics that small in size, low in energy consumption, it has been widely used.Mesh Before, in the case where guaranteeing display image quality, realize that the narrow frame even Rimless design of backlight module is always market popularity Trend.

Existing backlight module generally comprises light guide plate, light source and frame, and light source is usually located at the side of light guide plate, and position In in frame, therefore, no matter how small the width of lamp bar have, the reserved space for accommodating light source is required in frame, is unfavorable for realizing Narrow frame.

It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.

Summary of the invention

The disclosure is designed to provide a kind of display device, display panel and backlight module, can guarantee illumination effect In the case where, realize narrow frame design.

According to one aspect of the disclosure, a kind of backlight module is provided, comprising:

Light guide plate, including shady face and light-emitting surface, the light-emitting surface include that connected the first sub- light-emitting surface and the second son go out Smooth surface, the second sub- light-emitting surface are tilted to the shady face, and the second sub- light-emitting surface and the shady face are in default folder Angle；

Transflection layer is set to the described second sub- light-emitting surface, and can reflect simultaneously and transmitted ray；

Light source, the side set on the shady face far from the described first sub- light-emitting surface, and it is right against the transflection layer setting, For emitting light to the transflection layer.

In a kind of exemplary embodiment of the disclosure, the range of the default angle is 20 °~60 °.

In a kind of exemplary embodiment of the disclosure, the material of the transflection layer is silver, silica, aluminium oxide, gathers At least one of ethylene glycol terephthalate.

In a kind of exemplary embodiment of the disclosure, the transflection layer is fit in the described second sub- light-emitting surface thin Film；Alternatively, the transflection layer is the coating set on the described second sub- light-emitting surface.

In a kind of exemplary embodiment of the disclosure, the reflectivity of the transflection layer is greater than transmissivity.

In a kind of exemplary embodiment of the disclosure, the reflectivity of the transflection layer and the ratio of transmissivity are 10:1.

In a kind of exemplary embodiment of the disclosure, the light source is LED light bar.

In a kind of exemplary embodiment of the disclosure, the backlight module further include:

Reflecting layer, the side set on the shady face far from the described first sub- light-emitting surface.

According to one aspect of the disclosure, a kind of display panel is provided, including backlight module described in above-mentioned any one.

According to one aspect of the disclosure, a kind of display device is provided, including display panel described in above-mentioned any one.

Display device, display panel and the backlight module of the disclosure, due to the second sub- light-emitting surface and shady face of light guide plate In default angle, and transflection layer is set to the second sub- light-emitting surface, and the light that light source can be made to issue is irradiated to transflection layer, and due to transflection Layer can transmit some light, and another part light reflexes to light guide plate, so can by change the material type of transflection layer come Change transflection layer to the ratio of the reflectivity and transmissivity of light, to guarantee illumination effect；Again since light source is set to backlight Side of the face far from the first sub- light-emitting surface eliminates in frame for installing the space of light source, is advantageously implemented narrow frame design.

It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not The disclosure can be limited.

Detailed description of the invention

The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure Example, and together with specification for explaining the principles of this disclosure.It should be evident that the accompanying drawings in the following description is only the disclosure Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is the top view of disclosure embodiment backlight module in the prior art.

Fig. 2 is the left view of disclosure embodiment backlight module in the prior art.

Fig. 3 is the light path principle schematic diagram of disclosure embodiment backlight module.

Fig. 4 is the top view of disclosure embodiment backlight module.

Fig. 5 is the structural schematic diagram of disclosure embodiment light guide plate.

In figure: 100, light guide plate；200, luminescent device；300, substrate；1, light guide plate；11, shady face；12, light-emitting surface； 121, the first sub- light-emitting surface；122, the second sub- light-emitting surface；2, transflection layer；3, light source；31, wiring board；4, reflecting layer；5, optical film Piece component.

Specific embodiment

Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will more Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, knot Structure or characteristic can be incorporated in any suitable manner in one or more embodiments.In the following description, it provides perhaps More details fully understand embodiment of the present disclosure to provide.It will be appreciated, however, by one skilled in the art that can It is omitted with technical solution of the disclosure one or more in the specific detail, or others side can be used Method, constituent element, device, step etc..In other cases, be not shown in detail or describe known solution to avoid a presumptuous guest usurps the role of the host and So that all aspects of this disclosure thicken.

Although the term of relativity is used in this specification, for example, "upper", "lower" come describe a component of icon for The relativeness of another component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in Exemplary direction.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will The component in "lower" can be become.When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other knots On structure, or refer to that certain structure is " direct " and be arranged in other structures, or refers to that certain structure is arranged by the way that another structure is " indirect " other In structure.

Term "one", " one ", "the" and " described " to indicate there are one or more elements/component part/etc.；With Language " comprising " and " having " is to indicate the open meaning being included and refer to element/composition portion in addition to listing Also may be present except divide/waiting other element/component part/etc.；Term " first " and " second " etc. are only used as label, no It is the quantity limitation to its object.

In the related technology, as Figure 1-Figure 2, backlight module generally comprises light guide plate 100, light source and frame, wherein leads Tabula rasa 100 may include one or more light guiding points, can be used for converting area source for point light source or linear light source；Light source, which is located at, leads The side of tabula rasa 100, and be placed in frame, for emitting light to light guide plate 100, light source may include luminescent device 200 and base Plate 300, luminescent device 200 are set to substrate 300.

There is in frame the space for accommodating light source, therefore, no matter how small the width of light source have, require space and place light Source, to be unfavorable for realizing narrow frame.

Disclosure embodiment provides a kind of backlight module, as shown in figure 3, the backlight module may include light guide plate 1, thoroughly Anti- layer 2 and light source 3, in which:

Light guide plate 1 may include shady face 11 and light-emitting surface 12, and light-emitting surface 12 may include the first connected sub- 121 He of light-emitting surface Second sub- light-emitting surface 122, the second sub- light-emitting surface 122 can be tilted to shady face 11, and the second sub- light-emitting surface 122 can be with shady face 11 In default angle；

Transflection layer 2 can be set to the second sub- light-emitting surface 122, and can reflect the light emitted with transmitted light source 3 simultaneously；

Light source 3 can be set to side of the shady face 11 far from the first sub- light-emitting surface 121, and be right against the setting of transflection layer 2, be used for Emit light to transflection layer 2.

The backlight module of disclosure embodiment, since the second sub- light-emitting surface 122 of light guide plate 1 is in default with shady face 11 Angle, and transflection layer 2 is set to the second sub- light-emitting surface 122, the light that light source 3 can be made to issue is irradiated to transflection layer 2, and due to transflection Layer 2 can transmit some light, and another part light reflexes to light guide plate 1, and then can pass through the material type of change transflection layer 2 Come change 2 pairs of light of transflection layer reflectivity and transmissivity ratio, to guarantee illumination effect；Again since light source 3 to be set to Side of the shady face 11 far from the first sub- light-emitting surface 121 eliminates in frame for installing the space of light source 3, is advantageously implemented Narrow frame design.

Each section of disclosure embodiment backlight module is described in detail below:

As shown in figure 4, light guide plate 1 can be plate structure, shape can be rectangle, circle etc., herein not to leaded light The shape and size of plate 1 do particular determination.Light guide plate 1 may include shady face 11 and light-emitting surface 12, in which:

As shown in figure 5, shady face 11 and light-emitting surface 12 can be two planes being parallel to each other, it is also possible in default folder Two planes of angle setting.Light-emitting surface 12 may include connected the first sub- light-emitting surface 121 and the second sub- light-emitting surface 122, and first Sub- light-emitting surface 121 can be parallel to the plane of shady face 11, and the second sub- light-emitting surface 122 can be plane or curved surface, and can be to Shady face 11 is in that default angle is obliquely installed, and the value range of the default angle can be 20 °~60 °, and for example, this is default Angle can be 30 °, 40 °, 45 °, 50 ° etc., and the value range of certainly default angle is also possible to other value ranges, herein not Particular determination is done to the value range of default angle.It should be noted that the value of default angle and the length of light guide plate 1 have It closes, value can be carried out to default angle according to the length of light guide plate 1, as long as light can be reflexed to the entire flat of light guide plate 1 Face.

The material of light guide plate 1 is to be organic glass, such as: the acrylic board (PMMA) of optical grade is also possible to polyester acid esters Resin (PC) will not enumerate herein it is, of course, also possible to be other materials.

As shown in figure 3, transflection layer 2 can be transparent or translucent material, and it can be used for transmiting and be sent out with reflection source 3 Light out, for example, the material of transflection layer 2 can be silver (Ag), silica (SiO₂), it is aluminium oxide (AlO), poly- to benzene At least one of naphthalate (PET), certainly, transflection layer material can also be other materials, as long as energy can be right simultaneously Light is reflected and is transmitted.The shape of transflection layer 2 can be identical as the shape of the second sub- light-emitting surface 122 and can be with second Fitting, the shape of certain transflection layer 2 are also possible to other shapes, do not do herein to the shape of transflection layer 2 sub- light-emitting surface 122 with the shape Particular determination.

Transflection layer 2 can be set to the second sub- light-emitting surface 122, and for example, transflection layer 2, which can be, is attached at the second sub- light-emitting surface Transflection layer 2 can be fixed on the second sub- light-emitting surface 122 by modes such as bonding, hot pressing by 122 film；Alternatively, being also possible to shape At in the coating of the second sub- light-emitting surface 122, transflection layer 2 can be vaporized on 122 on the second sub- light-emitting surface by vacuum evaporation, vacuum The concrete principle of vapor deposition, this will not be detailed here.It is, of course, also possible to be existed by other modes such as magnetron sputtering, silk-screen printing, coatings Transflection layer 2 is formed on second sub- light-emitting surface 122.

Transflection layer 2 can be arranged with shady face 11 in predetermined angle, and predetermined angle can refer to retouching in above-mentioned file in detail It states, details are not described herein；The reflectivity of transflection layer 2 can be greater than transmissivity, for example, the ratio of the reflectivity of transflection layer 2 and transmissivity Value can be 10:1, is also possible to 9:1 or 8:1. is certain, the ratio of reflectivity and transmissivity can also be other ratios, herein Particular determination is not done, as long as the light of overall picture can be made consistent.For example, the reflectivity and transmissivity of transflection layer 2 Ratio can be determined by the material type of transflection layer 2, can pass through change transflection layer 2 material type change transflection layer 2 transmission The ratio of rate and reflectivity.

As shown in figure 3, light source 3 can be set to side of the shady face 11 far from the first sub- light-emitting surface 121, and transflection can be right against Layer 2 is arranged, for emitting light to transflection layer 2.Light source 3 can be point light source or linear light source, specifically, light source 3 can be LED light strip, shape can be in a strip shape, and certainly, light source 3 can also be the light source of other forms, will not enumerate herein.It can incite somebody to action Light source 3 assembles in assist side 31, and wiring board 31 can be flexible circuit board (FPC), it is of course also possible to be hardboard, as long as energy It is fixed in side of the shady face 11 far from the first sub- light-emitting surface 121, and transflection layer 2 can be right against and emitted beam.

As shown in figure 3, the backlight module of disclosure embodiment can also include reflecting layer 4, reflecting layer 4 can be set to backlight Face 11 can be used for preventing light from projecting from shady face 11, the utilization rate of light can be improved.For example, reflecting layer 4 can be set to backlight Side of the face 11 far from the first sub- light-emitting surface 121, and can surface with shady face 11 far from the first sub- light-emitting surface 121 it is Nian Jie.Instead The coating that layer 4 can be formed at shady face 11 is penetrated, is also possible to be attached at the film of shady face 11.It reflecting layer 4 can be with type Shady face 11 is fitted in, shape can be rectangle, circle etc., and material can be aluminium (Al), naturally it is also possible to be other materials Material, does not do particular determination to the shape and material in reflecting layer 4 herein.

As shown in figure 3, the backlight module of disclosure embodiment can also include optical diaphragm assembly 5, the optical diaphragm Component 5 may include the prismatic lens and diffusion sheet being stacked, it is, of course, also possible to include other diaphragms, can be used for making backlight module The light of sending is more uniform.

Disclosure embodiment also provides a kind of display panel, and the display panel of present embodiment may include any of the above-described Backlight module described in embodiment.Certainly, display panel can also include other components such as array substrate, color membrane substrates, This is no longer described in detail.

Disclosure embodiment also provides a kind of display device, and the display device of present embodiment may include any of the above-described Display panel described in item embodiment, meanwhile, the display device of disclosure embodiment can be LCD TV, digital phase Frame, mobile phone, tablet computer etc. have at least one of the products or components of any display function, and certainly, the display device is not only It is limited to this, can also be other display devices, do not do particular determination herein.

Backlight module, display panel and the display device of disclosure example embodiment, since the second son of light guide plate 1 goes out Smooth surface 122 and shady face 11 are in default angle, and transflection layer 2 is set to the second sub- light-emitting surface 122, the light that light source 3 can be made to issue It is irradiated to transflection layer 2, and since transflection layer 2 can transmit some light, another part light reflexes to light guide plate 1, Jin Erke Change the ratio of the reflectivity and transmissivity of 2 pairs of light of transflection layer by changing the material type of transflection layer 2, to guarantee to send out Light effect；Again since light source 3 is set to side of the shady face 11 far from the first sub- light-emitting surface 121, eliminate in frame for pacifying The space for filling light source 3, is advantageously implemented narrow frame design.

Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended Claim is pointed out.

Claims (10)

1. a kind of backlight module characterized by comprising

Light guide plate, including shady face and light-emitting surface, the light-emitting surface include connected the first sub- light-emitting surface and the second sub- light-emitting surface, The second sub- light-emitting surface is tilted to the shady face, and the second sub- light-emitting surface and the shady face are in default angle；

Transflection layer is set to the described second sub- light-emitting surface, and can reflect simultaneously and transmitted ray；

Light source, the side set on the shady face far from the described first sub- light-emitting surface, and it is right against the transflection layer setting, it is used for Emit light to the transflection layer.

2. backlight module according to claim 1, which is characterized in that the range of the default angle is 20 °~60 °.

3. backlight module according to claim 1, which is characterized in that the material of the transflection layer is silver, silica, oxygen Change at least one of aluminium, polyethylene terephthalate.

4. backlight module according to claim 3, which is characterized in that the transflection layer is to fit in second son to go out light The film in face；Alternatively, the transflection layer is the coating set on the described second sub- light-emitting surface.

5. backlight module according to claim 1, which is characterized in that the reflectivity of the transflection layer is greater than transmissivity.

6. backlight module according to claim 5, which is characterized in that the reflectivity of the transflection layer and the ratio of transmissivity For 10:1.

7. backlight module according to claim 1, which is characterized in that the light source is LED light bar.

8. backlight module according to claim 1, which is characterized in that the backlight module further include:

Reflecting layer, the side set on the shady face far from the described first sub- light-emitting surface.

9. a kind of display panel, including the described in any item backlight modules of claim 1-8.

10. a kind of display device, including display panel as claimed in claim 9.