CN208795979U - A kind of backlight module with micro-structure - Google Patents

A kind of backlight module with micro-structure Download PDF

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Publication number
CN208795979U
CN208795979U CN201821606494.8U CN201821606494U CN208795979U CN 208795979 U CN208795979 U CN 208795979U CN 201821606494 U CN201821606494 U CN 201821606494U CN 208795979 U CN208795979 U CN 208795979U
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CN
China
Prior art keywords
backlight module
guide plate
glass
light guide
micro
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
CN201821606494.8U
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Chinese (zh)
Inventor
李飞
文妙清
刘绍云
宋跃云
涂兴长
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.)
Dongguan Yintaifeng Optical Technology Co Ltd
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Dongguan Yintaifeng Optical Technology 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.)
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Priority to CN201821606494.8U priority Critical patent/CN208795979U/en
Application granted granted Critical
Publication of CN208795979U publication Critical patent/CN208795979U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of backlight module with micro-structure, including backlight module, the backlight module includes successively folding the glass back plate set from top to bottom, reflector plate, glass light guide plate, diffuser plate, lower bright enhancement film, upper bright enhancement film, liquid crystal display panel, glass front shroud, the glass light guide plate one side is incidence surface, its excess-three face is shading surface, the glass light guide plate upper end is additionally provided with OCA optical cement, OCA optical cement upper end is equipped with PET film layer, PET film layer upper end is printed with several hemispherical UV ink in array distribution, three shading surfaces are laciniation, light film is also fitted on the outside of the shading surface, reflectance coating.The backlight module of the utility model is bonded with PET film layer using OCA optical cement in the light-emitting surface of glass light guide plate, and PET film layer upper surface is printed with hemispherical UV ink, hemispherical UV ink forms micro-structure, the phenomenon that light that glass light guide plate can be emitted is assembled, avoids divergence of beam, improve image quality.

Description

A kind of backlight module with micro-structure
Technical field
The utility model relates to injection molding technology fields, and in particular to a kind of backlight module with micro-structure.
Background technique
Backlight module is one of the key part and component of panel of LCD, and function is well-off brightness and divides The uniform light source of cloth, enables liquid crystal display normally to show image.Backlight module can be divided into side entering type, straight-down negative, hollow type light Source structure increases cost of manufacture, therefore gradually eliminated since down straight aphototropism mode set needs more LED light source;Mesh Before, most commonly seen structure is side entrance back module, and the light guiding points of light guide plate are emitted to by LED point light source, and light guiding points will enter Light diverging is penetrated, to convert area source for point light source.
Since light is got on light guiding points, light guiding points dissipate incident light, and light is emitted from the light-emitting surface of light guide plate.It is existing The backlight module of technology the phenomenon that in the prevalence of divergence of beam, influences image quality.
Utility model content
In view of the above problems, the utility model provides a kind of backlight module with micro-structure, for solving glass leaded light The divergence of beam problem of plate light-emitting surface emergent light.
To achieve the above object, the utility model solves by the following technical programs:
A kind of backlight module with micro-structure, including backlight module, the backlight module include successively folding from top to bottom If glass back plate, reflector plate, glass light guide plate, diffuser plate, lower bright enhancement film, upper bright enhancement film, liquid crystal display panel, glass front shroud, The glass light guide plate one side is incidence surface, and excess-three face is shading surface, and the glass light guide plate upper end is additionally provided with OCA light Glue is learned, OCA optical cement upper end is equipped with PET film layer, and PET film layer upper end is printed with several in the hemispherical of array distribution UV ink, three shading surfaces are laciniation, are also fitted with light film, reflectance coating on the outside of the shading surface.
Specifically, the refractive index of the hemispherical UV ink is 1.31.
Specifically, the incidence surface side is equipped with the first aluminium center, the shading surface side is equipped with the second aluminium center, institute It states and is equipped with a mounting groove in the middle part of the first aluminium center, be removably installed blend stop in the mounting groove, the blend stop is close to institute Glass light guide plate one end is stated equipped with several LED light sources.
Specifically, the blend stop is equipped with pressing hole far from described LED light source one end, circle is connected in the pressing hole Taper press strip, described cone press strip one end are also connected with spring, and upside is also connected with through-hole in the middle part of the pressing hole, and described the It is additionally provided with the spliced eye corresponding to the through-hole on one aluminium center, is equipped with pillar in the through-hole, spliced eye, the pillar is located at On the upside of the cone press strip.
Specifically, the cone press strip is additionally provided with pin hole far from the spring one end.
Specifically, being also covered with one layer of black black out ink on the outside of the reflectance coating.
The beneficial effects of the utility model are:
The first, the backlight module of the utility model is bonded with PET using OCA optical cement in the light-emitting surface of glass light guide plate Film layer, PET film layer upper surface are printed with several hemispherical UV ink in array distribution, and hemispherical UV ink forms micro-structure, The phenomenon that light that glass light guide plate can be emitted is assembled, avoids divergence of beam, improve image quality;
Second and third shading surface is designed as laciniation, is also fitted with light film, reflectance coating on the outside of shading surface, saws The light of LED light source direct projection can be reflexed to the light-emitting surface of glass light guide plate by the shading surface of dentalation, improve light intensity;
Third increases the blend stop of push type dismounting in the first aluminium center, and LED light source is fixed in grade item Dismounting can be realized by pressing shelves item in side, easy to operate, facilitates the installation or replacement of LED light source.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of backlight module with micro-structure of the utility model.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the enlarged drawing of part B in Fig. 1.
Appended drawing reference are as follows: glass back plate 11, reflector plate 12, glass light guide plate 13, OCA optical cement 131, PET film layer 132, Hemispherical UV ink 133, diffuser plate 14, lower bright enhancement film 15, upper bright enhancement film 16, liquid crystal display panel 17, glass front shroud 18, light film 21, reflectance coating 22, black black out ink 23, the first aluminium center 3, mounting groove 31, blend stop 32, LED light source 33, pressing hole 321, circle Taper press strip 322, spring 323, through-hole 324, spliced eye 325, pillar 326, pin hole 327, the second aluminium center 4.
Specific embodiment
The utility model is described in further detail below with reference to embodiment and attached drawing, but the implementation of the utility model Mode is without being limited thereto.
It is as shown in Figs. 1-3:
A kind of backlight module with micro-structure, including backlight module, backlight module include successively folding to set from top to bottom Glass back plate 11, reflector plate 12, glass light guide plate 13, diffuser plate 14, lower bright enhancement film 15, upper bright enhancement film 16, liquid crystal display panel 17, glass Glass front shroud 18,13 one side of glass light guide plate are incidence surface, and excess-three face is shading surface, and 13 upper end of glass light guide plate is also set There is OCA optical cement 131,131 upper end of OCA optical cement is equipped with PET film layer 132, and 132 upper end of PET film layer is printed with several in array The hemispherical UV ink 133 of distribution, hemispherical UV ink 133 form micro-structure, can assemble the light that glass light guide plate 13 is emitted, The phenomenon that avoiding divergence of beam improves image quality, and three shading surfaces are laciniation, is also fitted with light film on the outside of shading surface 21, the light of 33 direct projection of LED light source can be reflexed to going out for glass light guide plate 13 by reflectance coating 22, the shading surface of laciniation Smooth surface improves light intensity.
Preferably, the refractive index of hemispherical UV ink 133 is 1.31.
Preferably, incidence surface side is equipped with the first aluminium center 3, and shading surface side is equipped with the second aluminium center 4, in the first aluminium It is equipped with a mounting groove 31 in the middle part of frame 3, has been removably installed blend stop 32 in mounting groove 31, blend stop 32 is close to glass light guide plate 13 One end is equipped with several LED light sources 33.
Preferably, blend stop 32 is equipped with pressing hole 321 far from 33 one end of LED light source, is connected with circular cone in pressing hole 321 Shape press strip 322, conical 322 one end of press strip are also connected with spring 323, and 321 middle part upside of pressing hole is also connected with through-hole 324, It is additionally provided with the spliced eye 325 corresponding to through-hole 324 on first aluminium center 3, pillar 326, branch are equipped in through-hole 324, spliced eye 325 Column 326 is located at conical 322 upside of press strip, and conical press strip 322 is additionally provided with pin hole 327 far from 323 one end of spring, dismantles blend stop 32 and when LED light source 33, using needle item, needle item is inserted into pin hole 327 and is pressed to the right, under the action of spring 323, circular cone Shape press strip 322 moves right, and pillar 326 moves down at this time, until pillar 326 is detached from spliced eye 325, it can be by 32 He of blend stop LED light source 33 is split out, to carry out the installation or replacement of LED light source 33.
Preferably, in order to avoid light leakage phenomena, one layer of black black out ink 23 is also covered on the outside of reflectance coating 22.
Above embodiments only express a kind of embodiment of the utility model, and the description thereof is more specific and detailed, but simultaneously Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this The protection scope of utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (6)

1. a kind of backlight module with micro-structure, including backlight module, the backlight module includes successively folding to set from top to bottom Glass back plate (11), reflector plate (12), glass light guide plate (13), diffuser plate (14), lower bright enhancement film (15), upper bright enhancement film (16), liquid crystal display panel (17), glass front shroud (18), glass light guide plate (13) one side are incidence surface, and excess-three face is equal For shading surface, which is characterized in that glass light guide plate (13) upper end is additionally provided with OCA optical cement (131), the OCA optical cement (131) upper end is equipped with PET film layer (132), and PET film layer (132) upper end is printed with several hemispherical UV in array distribution Ink (133), three shading surfaces are laciniation, and light film (21), reflection are also fitted on the outside of the shading surface Film (22).
2. a kind of backlight module with micro-structure according to claim 1, which is characterized in that the hemispherical UV ink (133) refractive index is 1.31.
3. a kind of backlight module with micro-structure according to claim 1, which is characterized in that the incidence surface side is set There is the first aluminium center (3), the shading surface side is equipped with the second aluminium center (4), is equipped with one in the middle part of the first aluminium center (3) A mounting groove (31), the mounting groove (31) is interior to be removably installed blend stop (32), and the blend stop (32) is close to the glass Light guide plate (13) one end is equipped with several LED light sources (33).
4. a kind of backlight module with micro-structure according to claim 3, which is characterized in that the blend stop (32) is separate Described LED light source (33) one end is equipped with pressing hole (321), is connected with conical press strip in the pressing hole (321) (322), described conical press strip (322) one end is also connected with spring (323), and upside is also connected in the middle part of the pressing hole (321) Have through-hole (324), the spliced eye (325) corresponding to the through-hole (324) is additionally provided on the first aluminium center (3), it is described logical Pillar (326) are equipped in hole (324), spliced eye (325), the pillar (326) is located on the upside of the conical press strip (322).
5. a kind of backlight module with micro-structure according to claim 4, which is characterized in that the cone press strip (322) pin hole (327) are additionally provided with far from the spring (323) one end.
6. a kind of backlight module with micro-structure according to claim 1, which is characterized in that the reflectance coating (22) is outside Side is also covered with one layer of black black out ink (23).
CN201821606494.8U 2018-09-30 2018-09-30 A kind of backlight module with micro-structure Expired - Fee Related CN208795979U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821606494.8U CN208795979U (en) 2018-09-30 2018-09-30 A kind of backlight module with micro-structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821606494.8U CN208795979U (en) 2018-09-30 2018-09-30 A kind of backlight module with micro-structure

Publications (1)

Publication Number Publication Date
CN208795979U true CN208795979U (en) 2019-04-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112180497A (en) * 2020-10-28 2021-01-05 东莞市银泰丰光学科技有限公司 Glass light guide plate and glass diffusion plate fuse structure in a poor light
CN113543560A (en) * 2021-08-02 2021-10-22 宁波视睿迪光电有限公司 Frame, light box and display device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112180497A (en) * 2020-10-28 2021-01-05 东莞市银泰丰光学科技有限公司 Glass light guide plate and glass diffusion plate fuse structure in a poor light
CN113543560A (en) * 2021-08-02 2021-10-22 宁波视睿迪光电有限公司 Frame, light box and display device
CN113543560B (en) * 2021-08-02 2024-02-02 宁波视睿迪光电有限公司 Frame, light box and display device

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190426

Termination date: 20210930

CF01 Termination of patent right due to non-payment of annual fee