[go: up one dir, main page]

CN207123685U - Blooming piece, backlight module and display device - Google Patents

Blooming piece, backlight module and display device Download PDF

Info

Publication number
CN207123685U
CN207123685U CN201720710013.7U CN201720710013U CN207123685U CN 207123685 U CN207123685 U CN 207123685U CN 201720710013 U CN201720710013 U CN 201720710013U CN 207123685 U CN207123685 U CN 207123685U
Authority
CN
China
Prior art keywords
blooming piece
backlight module
micro
structural
angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720710013.7U
Other languages
Chinese (zh)
Inventor
高珮龄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Radiant Guangzhou Opto Electronics Co Ltd
Original Assignee
Radiant Guangzhou Opto Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Radiant Guangzhou Opto Electronics Co Ltd filed Critical Radiant Guangzhou Opto Electronics Co Ltd
Priority to CN201720710013.7U priority Critical patent/CN207123685U/en
Priority to TW106209775U priority patent/TWM553818U/en
Priority to JP2017003432U priority patent/JP3212898U/en
Application granted granted Critical
Publication of CN207123685U publication Critical patent/CN207123685U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model provides a kind of blooming piece, backlight module and display device.Blooming piece includes at least one main surface;More several sides, around the main surface;More several beveling portions, it is each to go to angular position in wantonly two adjacent sides, it is described to go to angle part not formed with removing angle surface;And more several micro-structurals, formed and go to remove angle surface described in corner described;Wherein, the setting in corner and the micro-structural is gone described in the blooming piece utilization, uses and avoids backlight module corner or edge from having blanking bar generation, be more uniformly distributed the brightness of backlight module so that there is higher light utilization efficiency.A kind of backlight module, it includes:Light source;And optical diaphragm assembly, for guiding light caused by the light source.A kind of display device, it includes display panel, and backlight module.

Description

Blooming piece, backlight module and display device
Technical field
A kind of blooming piece, backlight module and display device are the utility model is related to, angle can be improved more particularly to one kind Fall the blooming piece, backlight module and display device of the brightness at place.
Background technology
Liquid crystal display (LCD) significantly substitutes typical cathode ray now because having the characteristics of frivolous and image quality is graceful Manage (CRT) display;And backlight module is then ray structure critically important in liquid crystal display, mainly by control backlight module The light source of offer, and coordinate liquid crystal and suitable control switch module in liquid crystal panel, so as to determine that liquid crystal display is shown The quality of picture brightness and image quality;In addition, light emitting diode is because having the advantages that low power consumption, small volume and high brightness, at present Conventional fluorescent fluorescent tube is substituted and has been widely used for as the light source in backlight module.
Also, because backlight module is one of important component of display device, the light that light source is sent is via in backlight module Optical film material adjustment light distribution, has a direct impact to display effect (such as display brightness and image quality).With using luminous two Exemplified by pole pipe (LED) is the direct type backlight module of light source, light emitting diode produces light, is now considered as the form of spot light, Output is to liquid crystal panel after optical film material guiding light is planar light source, to provide light needed for display device.
However, the light that all directions light source provided, the edge energy in viewing area can be obtained relative to viewing area center The light of acquisition is more limited, thus known display device easily has blanking bar or brightness irregularities in viewing area corner or edge Situation produce.
It is obvious to increase again if the corner of directly-down backlight module structure or edge are set with especially intensive light source (LED) Add the structure complexity and cost of light emitting diode array (LED), and desired uniform light effect is also difficult to control.
In view of the above-mentioned problems, catoptric arrangement is set up in four corners for having the backlight module for being set forth in known display device, to carry The brightness of high corner.However, it seems that cost of manufacture improves problem that this practice can derive again.
Therefore, the present utility model people is observing drawbacks described above, it is believed that above-mentioned for direct type backlight module and aobvious Show that equipment still has further improved necessity, have generation of the present utility model then.
Utility model content
Main purpose of the present utility model is to provide a kind of blooming piece, and it is used for avoiding backlight module corner or edge from having Blanking bar produces, and is more uniformly distributed the brightness of backlight module so as to have higher light utilization efficiency, so as to reduce light source (LED) Dosage.
Secondary objective of the present utility model is to provide a kind of blooming piece, its on blooming piece formed with more several bevelings Portion, so as to reduce the volume of the blooming piece, and reach reduction material cost.
For the above-mentioned purpose, blooming piece provided by the utility model, it includes:At least one main surface;It is more several Side, around the main surface;More several beveling portions, it is each to go to angular position in wantonly two adjacent sides, the beveling Portion is respectively formed with angle surface;And more several micro-structurals, formed and go to remove angle surface described in corner described.
It is preferred that the side of wherein described blooming piece and described going between angle surface that there is beveling angle, the beveling Angle is between 90 degree between 180 degree.
It is preferred that wherein described beveling angle is 135 degree.
It is preferred that wherein described micro-structural is in tip-angled shape and adjacent and set, and extends towards same linear direction, it is described linear It is oriented parallel to the main surface.
It is preferred that wherein described micro-structural is set in distance, and extends towards same linear direction, the linear direction is parallel In the main surface.
It is preferred that wherein described micro-structural is in tip-angled shape.
It is preferred that wherein described micro-structural is respectively dissected valley.
It is preferred that wherein described micro-structural is in non-tip-angled shape and adjacent and set, and extend towards same linear direction, the line Property is oriented parallel to the main surface.
Secondary objective of the present utility model is to provide a kind of backlight module, its by the setting of blooming piece described above, Use and avoid backlight module corner or edge from having blanking bar generation.
For the above-mentioned purpose, backlight module provided by the utility model, it includes:Light source;And optical diaphragm assembly, use In guiding light caused by the light source, the optical diaphragm assembly has above-mentioned blooming piece.
It is preferred that wherein described optical diaphragm assembly also includes at least one brightness enhancement film, at least one prismatic lens and at least One diffusion sheet, and the brightness enhancement film, the prismatic lens and the diffusion sheet are mutually folded and set.
It is preferred that wherein described blooming piece is diffuser plate, positioned at the top of the light source.
A further object of the present utility model is to provide a kind of display device, and it passes through blooming piece described above and the back of the body The setting of optical module, use and avoid backlight module corner or edge from having blanking bar generation, and more preferably light-out effect, and make to show is provided Show that the light distribution on face close to edge is more uniform.
For the above-mentioned purpose, display device provided by the utility model, it includes display panel, and the display panel is set In the exiting surface of the backlight module.
Blooming piece, backlight module and display device provided by the utility model, light guiding is mainly passed through institute by it When stating blooming piece, the micro-structural of angle surface is gone described in the blooming piece utilization, so that light scatters or diffuses to institute The corner regions of backlight module are stated, uses and avoids backlight module corner or edge from having blanking bar generation, and provide and more preferably go out light efficiency Fruit, and make the light distribution on display surface close to edge more uniform so that there is preferable display quality.
Brief description of the drawings
Fig. 1 is the stereogram of the utility model preferred embodiment.
Fig. 2 is the partial enlarged drawing of the utility model preferred embodiment, to show the micro-structural of blooming piece.
Fig. 3 is the partial enlarged drawing of another embodiment of the utility model, to show other aspects of the micro-structural of blooming piece.
Fig. 4 is the partial enlarged drawing of another embodiment of the utility model, to show other aspects of the micro-structural of blooming piece.
Fig. 5 is the partial enlarged drawing of another embodiment of the utility model, to show other aspects of the micro-structural of blooming piece.
Fig. 6 is the exploded perspective view of the utility model preferred embodiment, with the structure aspect of display backlight module.
Fig. 7 is the use state diagram of the utility model preferred embodiment, is dissipated with the blooming piece of display backlight module State when penetrating.
Fig. 8 is the use state diagram of the utility model preferred embodiment, is dissipated with the blooming piece of display backlight module State when penetrating.
Fig. 9 is the exploded perspective view of the utility model preferred embodiment, with the connection of display backlight module and display device Relation.
Embodiment
Refering to shown in Fig. 1 and Fig. 2, the stereogram and partial enlargement of blooming piece are shown for the utility model preferred embodiment Stereogram, its exposure have a kind of blooming piece 111, and the blooming piece 111 is diffuser plate 1111, also, the blooming piece 111 Rectangular shape, and there is at least one main surface 1110, more several sides 1112 and more several beveling portions 1113, and each side 1112 around the main surface 1110, and each goes to corner 1113 to be located at wantonly two adjacent sides 1112, the beveling Portion 1113 is respectively formed with angle surface 1114, goes corner 1113 described also, described to go angle surface 1114 to be formed more several micro- Structure 1115.In addition, the side 1112 of the blooming piece 111 and it is described go between angle surface 1114 that there is beveling angle, θ, it is described Beveling angle, θ is between 90 degree between 180 degree.
In the present embodiment, using the beveling angle, θ be 135 degree as embodiment aspect, but do not limit the utility model, and this The micro-structural 1115 in embodiment extends, the linear direction in tip-angled shape and adjacent and set towards same linear direction Parallel to the main surface 1110.
Coordinate again refering to shown in Fig. 3 to Fig. 5, be the partial enlarged drawing of another embodiment of the utility model, to show optics Other aspects of the micro-structural 1115 of diaphragm 111.As shown in figure 3, the micro-structural 1115 is tip-angled shape, and a spacing is mutually separated with, So as to be formed as being arranged at intervals, and the micro-structural 1115 extends towards same linear direction.As shown in figure 4, the micro-structural 1115 are respectively the aspect of dissected valley, and spacing is mutually separated between the dissected valley, and are formed as being arranged at intervals, and the micro-structural 1115 equally extend towards same linear direction.As shown in figure 5, the micro-structural 1115 is in non-tip-angled shape and adjacent and set, and institute Micro-structural 1115 is stated by taking arc-shaped as an example, the micro-structural 1115 equally extends towards same linear direction, and the linear direction is put down Row is in the main surface 1110.
With continued reference to shown in Fig. 6, the exploded perspective view of the utility model preferred embodiment, with the knot of display backlight module 10 Structure aspect.It, which is disclosed, a kind of backlight module 10, and the backlight module 10 includes optical diaphragm assembly 11, at least one light source 12 And framework 13, and in the present embodiment, the utility model has plural light source 12, and the light source 12 is in the framework 13 Portion, and the light source 12 is by taking light emitting diode (LED) as an example, also, the optical diaphragm assembly 11 includes at least one brightness enhancement film 114th, at least one prismatic lens 113 and at least one diffusion sheet 112, and the brightness enhancement film 114, the prismatic lens 113 and described Diffusion sheet 112 is mutually stacked on the diffuser plate 1111, and the optical diaphragm assembly 11 is used to guide the institute of light source 12 Caused light.
In the present embodiment, the diffuser plate 1111 of the optical diaphragm assembly 11 is above-mentioned blooming piece 111, and the light Learn diaphragm 111 and be located at the top of the light source 12, and the prism is folded between the diffuser plate 1111 and the brightness enhancement film 114 Piece 113 and diffusion sheet 112.
With continued reference to shown in Fig. 9, the exploded perspective view of the utility model preferred embodiment, with display backlight module 10 and show Show the annexation of equipment 100.Its exposure has a kind of display device 100, and the display device 100, it includes display panel 20, The display panel 20 is located at the exiting surface of the backlight module 10.
For further appreciating that the utility model construction feature, application technology means and desired the effect of reaching, hereby will The utility model occupation mode is described, it is believed that when that can have therefrom to the utility model deeper into and specifically understand, such as It is lower described:
Referring again to shown in Fig. 2, Fig. 7 and Fig. 8, it is the partial enlarged drawing and use state of the utility model preferred embodiment Schematic diagram.Because the micro-structural 1115 can be in therein a kind of or its combination such as Fig. 2 to Fig. 5 aspects, so working as the light When the light guiding that source 12 is projected passes through the blooming piece 111, the micro-structural 1115 can make beam projecting, to make full use of Light and the effect for reaching uniform light extraction, it is more uniform in light distribution of the framework 13 close to corner, and can avoid in backlight mould There is the situation that brightness is dropped suddenly in the exiting surface corner of block 10;More in detail and it, the utility model mainly removes angle surface 1114 using described The micro-structural 1115, for light scatter or diffuse to the backlight module 10 corner regions so that have it is higher Light utilization efficiency, so as to reduce light source 12 (LED) dosage.
Importantly, it can learn that the utility model can solve the straight-down negative in prior art really by said structure explanation The corner or edge of the structure of backlight module 10, because setting especially intensive light source 12 (LED), so as to substantially increase light emitting diode The structure complexity of array (LED), cost, and uniform light effect also be difficult to control the problem of.
It is noted that light source 12 but is not limited to be only capable of adopting only by taking light emitting diode (LED) as an example in above-described embodiment With light emitting diode, various forms of tubular light sources 12 also can be selected, the selection of tubular light source 12 may include cold-cathode fluorescence lamp (CCFL), thermal cathode fluorescent tube (HCFL) or external electrode fluorescent lamp pipe (EEFL) are managed, all can reach the purpose of the present invention.
It is worth being mentioned that again, because the blooming piece 111 is by the setting for going to corner 1113, therefore, may be such that The blooming piece 111 can apply to be thinned, so that by low cost, and improve profit.
Feature of the present utility model and its attainable expected effect are presented below again now:
Blooming piece 111, backlight module 10 and display device 100 of the present utility model, it mainly passes through light guiding During the blooming piece 111, the micro-structural 1115 of angle surface 1114 is gone described in the utilization of blooming piece 111, for light Line is scattered or diffused to the corner regions of the backlight module 10, is used and is avoided the corner of backlight module 10 or edge from having blanking bar production It is raw, and more preferably light-out effect is provided, and make the light distribution on display surface close to edge more uniform so that have preferable Display quality.
In addition, the utility model is more used on the blooming piece 111 formed with the corner 1113 and described micro- gone Structure 1115, so as to reduce the volume of the blooming piece 111, and reach reduction material cost, and solve known show Equipment 100 easily has the problem of blanking bar or brightness irregularities, and downward back known to solution in viewing area corner or edge The corner or edge of optical module structure, because setting especially intensive light source 12 (LED), so as to substantially increase light emitting diode matrix (LED) structure complexity, cost, and uniform light effect also be difficult to control the problem of.
Preferably possible embodiments only of the present utility model described above, thus such as using the utility model specification and Equivalent structure change carried out by claim, ought to be included in the scope of the claims of the present utility model.
Symbol description
100 display devices
The optical diaphragm assembly of 10 backlight module 11
111 blooming piece, 1110 main surface
The side of 1111 diffuser plate 1112
1113 go to corner 1114 to remove angle surface
The diffusion sheet of 1115 micro-structural 112
The brightness enhancement film of 113 prismatic lens 114
The framework of 12 light source 13
20 display panels
θ beveling angles.

Claims (12)

1. a kind of blooming piece, it includes:
At least one main surface;
More several sides, around at least one main surface;
More several beveling portions, it is each to go to angular position in wantonly two adjacent sides, it is described to go to angle part not formed with removing angle surface;With And
More several micro-structurals, formed and go to remove angle surface described in corner described.
2. blooming piece according to claim 1, wherein, the side of the blooming piece and described go between angle surface to have There is beveling angle, the beveling angle is between 90 degree between 180 degree.
3. blooming piece according to claim 2, wherein, the beveling angle is 135 degree.
4. blooming piece according to claim 1, wherein, the micro-structural is in tip-angled shape and adjacent and set, and towards same Linear direction extends, and the linear direction is parallel at least one main surface.
5. blooming piece according to claim 1, wherein, the micro-structural is set in distance, and towards same linear direction Extension, the linear direction is parallel at least one main surface.
6. blooming piece according to claim 5, wherein, the micro-structural is in tip-angled shape.
7. blooming piece according to claim 5, wherein, the micro-structural is respectively dissected valley.
8. blooming piece according to claim 1, wherein, the micro-structural is in non-tip-angled shape and adjacent and set, and towards same One linear direction extends, and the linear direction is parallel at least one main surface.
9. a kind of backlight module, it includes:
Light source;And
Optical diaphragm assembly, for guiding light caused by the light source, the optical diaphragm assembly have claim 1 to Blooming piece any one of 8.
10. backlight module according to claim 9, wherein, the optical diaphragm assembly also include at least one brightness enhancement film, At least one prismatic lens and at least one diffusion sheet, and the brightness enhancement film, the prismatic lens and the diffusion sheet are mutually folded and set.
11. backlight module according to claim 9, wherein, the blooming piece is diffuser plate, positioned at the upper of the light source Side.
12. a kind of display device, it includes display panel, and the backlight module described in claim 9, wherein, the display surface Plate is located at the exiting surface of the backlight module.
CN201720710013.7U 2017-06-16 2017-06-16 Blooming piece, backlight module and display device Expired - Fee Related CN207123685U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201720710013.7U CN207123685U (en) 2017-06-16 2017-06-16 Blooming piece, backlight module and display device
TW106209775U TWM553818U (en) 2017-06-16 2017-07-04 Optical film, backlight module, and display device
JP2017003432U JP3212898U (en) 2017-06-16 2017-07-26 Optical film, backlight module, and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720710013.7U CN207123685U (en) 2017-06-16 2017-06-16 Blooming piece, backlight module and display device

Publications (1)

Publication Number Publication Date
CN207123685U true CN207123685U (en) 2018-03-20

Family

ID=59997950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720710013.7U Expired - Fee Related CN207123685U (en) 2017-06-16 2017-06-16 Blooming piece, backlight module and display device

Country Status (3)

Country Link
JP (1) JP3212898U (en)
CN (1) CN207123685U (en)
TW (1) TWM553818U (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW202232142A (en) * 2021-02-09 2022-08-16 暘旭光電股份有限公司 A backlight module having optical film with inclined structure
CN114200719B (en) * 2021-12-28 2023-11-21 厦门天马微电子有限公司 Backlight module and display device

Also Published As

Publication number Publication date
JP3212898U (en) 2017-10-05
TWM553818U (en) 2018-01-01

Similar Documents

Publication Publication Date Title
TWI490604B (en) Liquid crystal display
TWI393926B (en) Light guide panel for lcd back light unit and lcd back light unit thereby
WO2006107105A1 (en) Backlight device, liquid crystal display unit and optical polarization sheet
KR20160022219A (en) Light guide plate, backlight unit and display device having the same
WO2007119584A1 (en) Liquid crystal display device
US8911131B2 (en) Energy efficient concentric illuminators for illuminating a sheet
CN106681052B (en) A kind of backlight module and display device
KR101481677B1 (en) Back Light Unit and Liquid Crystal Display device Comprising The Same And Fabricating Method thereof
JP2007003852A (en) Diffusion sheet, method for manufacturing diffusion sheet, backlight device and liquid crystal display device
TWI400483B (en) Brightness enhancement film and backlight module
US20120287626A1 (en) Led illumination structure without light guide plate
US20130077020A1 (en) Light guide and display using it in a backlight unit
CN207123685U (en) Blooming piece, backlight module and display device
JP2010108601A (en) Planar light source and liquid crystal display
KR101415683B1 (en) Liquid crystal display device
KR102071472B1 (en) Optical film for mini led or micro led backlight unit
JP2009080357A (en) Light control sheet, backlight unit using the same, and display device
KR20090021814A (en) Backlight Unit for Liquid Crystal Display
JP2014086245A (en) Light guide plate, backlight unit and display device
KR101411772B1 (en) Back light unit and liquid crystal display device having the same
JP2008304700A (en) Optical sheet, illumination device and display device
JP2008103312A (en) Backlight light source, display device, and light emitting device
JP2013157255A (en) Lighting system and display device
US9063367B2 (en) Direct-type backlight unit and liquid crystal display using the same
KR100610617B1 (en) Optical sheet and back light unit using the same

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180320