CN207114976U - A kind of backlight module for reducing light leak - Google Patents
A kind of backlight module for reducing light leak Download PDFInfo
- Publication number
- CN207114976U CN207114976U CN201721001661.1U CN201721001661U CN207114976U CN 207114976 U CN207114976 U CN 207114976U CN 201721001661 U CN201721001661 U CN 201721001661U CN 207114976 U CN207114976 U CN 207114976U
- Authority
- CN
- China
- Prior art keywords
- glue frame
- adhesive tape
- lug
- optical diaphragm
- diaphragm group
- 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
Links
- 239000003292 glue Substances 0.000 claims abstract description 59
- 239000002390 adhesive tape Substances 0.000 claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims abstract description 44
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 238000002788 crimping Methods 0.000 claims abstract description 12
- 230000001795 light effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model provides a kind of backlight module for reducing light leak,Including backboard,Reflector plate,Light guide plate,Optical diaphragm group,Glue frame and LED light bar,The rear end face of backboard is provided with crimping,LED light bar is in crimping,The top edge and left and right edges of backboard are equipped with frame,Glue frame is in frame,Reflector plate,Light guide plate and optical diaphragm group are in glue frame,A lug is equipped with left and right sides of optical diaphragm group,The groove for accommodating lug is equipped with the left and right sides of glue frame,The first adhesive tape is pasted with the left side and right edge of glue frame,First adhesive tape position corresponding with the groove is pasted onto the upper surface of lug,Optical diaphragm group is provided with extension in the both sides of lug,Glue frame is provided with breach in the both sides of groove,That one end of extension away from optical diaphragm group is stretched into and is positioned in corresponding breach,Shading coating is printed with extension.By adopting the above-described technical solution, the utility model reduces light leakage phenomena, leakproof light effect is good.
Description
Technical field
The utility model belongs to technical field of liquid crystal display, specifically a kind of backlight module for reducing light leak.
Background technology
At present B8 newly start shooting kind of major part be all HADS techniques narrow frame machine, the left and right sides easily leakage during module lighting
Light, it is especially more serious close to the left and right sides of incident side.
Utility model content
The purpose of this utility model is to provide a kind of a kind of backlight module of reduction light leak rational in infrastructure solve mould
During group lighting the problem of the easy light leak in the left and right sides.
The purpose of this utility model realized by such technical scheme, it include backboard, reflector plate, light guide plate,
Optical diaphragm group, glue frame and LED light bar, the backboard are square, and the rear end face of the backboard is provided with crimping, the LED light bar
In crimping, the top edge and left and right edges of the backboard are equipped with frame, and the glue frame is in one side that three sides surround
The frame structure of opening, the glue frame in the frame, the opening of the glue frame backwards, the reflector plate, light guide plate and optics
In glue frame, the reflector plate, light guide plate and optical diaphragm group overlay on backboard diaphragm group successively from bottom to up, described
The upper surface of optical diaphragm group is concordant with the upper surface of the glue frame, be equipped with left and right sides of the optical diaphragm group one it is convex
Ear, is equipped with the groove for accommodating the lug in the left and right sides of the glue frame, the depth of the groove and lug
Thickness is identical, and the first adhesive tape, first adhesive tape and the groove pair are pasted with the left side and right edge of the glue frame
The position answered is pasted onto the upper surface of lug, and the optical diaphragm group is provided with extension in the both sides of lug, the extension
Connecting close to lug end with the corresponding sides of lug, the remote lug end of the extension flushes with the corresponding sides of optical diaphragm group,
The glue frame is provided with breach in the both sides of groove, and that one end of the extension away from optical diaphragm group is stretched into and is positioned over correspondingly
Breach in, be printed with shading coating on the extension.
Further, the shading coating is covered with whole extension.
Further, the shading coating is black.
Further, the edge of first adhesive tape exceedes the inward flange of glue frame, and first adhesive tape exceedes glue frame inward flange
Bonding partially in optical diaphragm group.
Further, the glue frame front side edge upper surface is pasted with the second adhesive tape, and the 3rd adhesive tape, institute are pasted with the crimping
The upper surface for stating the first adhesive tape, the second adhesive tape and the 3rd adhesive tape is concordant.
Further, the length of first adhesive tape is identical with the length of the inward flange of the left and right side of glue frame, and described second
Inward flange of the both ends of adhesive tape respectively with two first adhesive tapes connects.
By adopting the above-described technical solution, the utility model have it is rational in infrastructure, due to the left and right two of optical diaphragm group
Side is equipped with a lug, and the groove for accommodating lug, the depth and lug of groove are equipped with the left and right sides of glue frame
Thickness it is identical, the first adhesive tape, the first adhesive tape position corresponding with the groove are pasted with the left side and right edge of glue frame
Put the upper surface for being pasted onto lug, optical diaphragm group is provided with extension in the both sides of lug, the close lug end of extension with it is convex
The corresponding sides of ear connect, and the remote lug end of extension is flushed with the corresponding sides of optical diaphragm group, and glue frame is set in the both sides of groove
Jagged, that one end of extension away from optical diaphragm group is stretched into and is positioned in breach, and shading coating is printed with extension.
Extension eliminates the gap between the inward flange of left and right edges and the glue frame of optical diaphragm group or so side, reduces light
Spill, light is blocked and absorbed plus the second shading coating, further reduces light leakage phenomena, leakproof light effect is good.
Brief description of the drawings
Fig. 1 is structural representation when the utility model is pasted with adhesive tape；
Fig. 2 is the structural representation of A-A sectional views left end in Fig. 1；
Fig. 3 is the structural representation of B-B sectional views rear end in Fig. 1；
Fig. 4 is the structural representation of C-C sectional views left end in Fig. 1；
Structural representation when Fig. 5 is the utility model non-Continuous pressing device for stereo-pattern；
Fig. 6 is the structural representation of glue frame in Fig. 5.
In figure, 1, backboard；2nd, reflector plate；3rd, light guide plate；4th, optical diaphragm group；5th, glue frame；6th, LED light bar；7th, crimping；8、
Frame；9th, lug；10th, groove；11st, the first adhesive tape；12nd, extension；13rd, breach；14th, the second shading coating；15th, the second glue
Band；16th, the 3rd adhesive tape.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the utility model includes backboard 1, reflector plate 2, light guide plate
3rd, optical diaphragm group 4, glue frame 5 and LED light bar 6, backboard 1 are square, and the rear end face of backboard 1 is provided with crimping 7, and LED light bar 6 is located at
In crimping 7, the top edge and left and right edges of backboard 1 are equipped with frame 8, the side for the openings at one side that glue frame 5 surrounds in three sides
Mount structure, glue frame 5 is in frame 8, and backwards, reflector plate 2, light guide plate 3 and optical diaphragm group 4 are located at glue to the opening of glue frame 5
In frame 5, reflector plate 2, light guide plate 3 and optical diaphragm group 4 overlay on backboard 1 successively from bottom to up, the upper end of optical diaphragm group 4
Face is concordant with the upper surface of glue frame 5, and the left and right sides of optical diaphragm group 4 is equipped with a lug 9, the left and right sides of glue frame 5
On be equipped with groove 10 for accommodating lug 9, the depth of groove 10 is identical with the thickness of lug 9, the left side of glue frame 5 and the right side
The first adhesive tape 11 is pasted with side, the first adhesive tape 11 is pasted onto the upper surface of lug 9 with the 10 corresponding position of groove,
Optical diaphragm group 4 is provided with extension 12 in the both sides of lug 9, and the close lug end of extension 12 connects with the corresponding sides of lug 9,
The remote lug end of extension 12 flushes with the corresponding sides of optical diaphragm group 4, and glue frame 5 is provided with breach 13 in the both sides of groove 10,
That one end of extension 12 away from optical diaphragm group 4 is stretched into and is positioned in breach 13, and shading coating is printed with extension 12
14。
By adopting the above-described technical solution, the utility model have it is rational in infrastructure, due to the left and right two of optical diaphragm group 4
Side is equipped with a lug 9, and the groove 10 for accommodating lug 9, the depth of groove 10 are equipped with the left and right sides of glue frame 5
It is identical with the thickness of lug 9, the first adhesive tape 11, the first adhesive tape 11 and groove are pasted with the left side and right edge of glue frame 5
Position corresponding to 10 is pasted onto the upper surface of lug 9, and optical diaphragm group 4 is provided with extension 12, extension 12 in the both sides of lug 9
Close lug end connect with the corresponding sides of lug 9, the remote lug end of extension 12 and the corresponding sides of optical diaphragm group 4 are neat
Flat, glue frame 5 is provided with breach 13 in the both sides of groove 10, and that one end of extension 12 away from optical diaphragm group 4 is stretched into and is positioned over
In breach 13, shading coating 14 is printed with extension 12.Extension eliminates the left and right edges and glue frame 5 of optical diaphragm group 4
Gap between the inward flange of left and right side, reduce spilling for light, light is blocked and inhaled plus shading coating 14
Receive, further reduce light leakage phenomena, leakproof light effect is good.
As shown in figure 5, shading coating 14 is covered with whole extension.Whole extension can be blocked and inhaled to light
Receive, further reduce light leakage phenomena.
Shading coating 14 is black.The shading coating 14 of black blocks good with light-absorbing effect.
As shown in figure 1, the edge of the first adhesive tape 11 exceedes the inward flange of glue frame 5, the first adhesive tape 11 exceedes the inward flange of glue frame 5
Bonding partially in optical diaphragm group 4.Between first adhesive tape 11 can also be covered between the edge of glue frame 5 and optical diaphragm group 4
Gap, further mitigate the situation of light leak.
As shown in figures 1 and 3, the front side edge upper surface of glue frame 5 is pasted with the second adhesive tape 15, and the 3rd glue is pasted with crimping 7
Band 16, the upper surface of the first adhesive tape 11, the second adhesive tape 15 and the 3rd adhesive tape 16 are concordant.Make two first adhesive tapes 11 and the second adhesive tape
15 and the 3rd adhesive tape 16 form a smooth face, make the glass plate of LCDs more flat after being arranged on backlight module 4
It is whole.
As shown in figure 1, the length of the first adhesive tape 11 is identical with the length of the inward flange of the left and right side of glue frame 5, the second glue
Inward flange with 15 both ends respectively with two first adhesive tapes 11 connects.First adhesive tape 11 and the second adhesive tape 15 cover the back of the body completely
The left and right edges and top edge of easy light leak, further reduce light leakage phenomena in optical mode group.
In the above-mentioned description as described in direction, using the positive direction of the x in Fig. 1 in Figure of description as " preceding ", x opposite direction
For " rear ", y positive direction is " right side ", and y opposite direction is " left side ", z positive direction for " on ", z opposite direction for " under ".
Embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, every profit
The equivalent structure made with the utility model specification and accompanying drawing content, directly or indirectly it is used in other related technology necks
Domain, similarly within scope of patent protection of the present utility model.
Claims (6)
- A kind of 1. backlight module for reducing light leak, it is characterised in that：Including backboard, reflector plate, light guide plate, optical diaphragm group, glue Frame and LED light bar, the backboard are square, and the rear end face of the backboard is provided with crimping, and the LED light bar is in crimping, institute State the top edge of backboard and left and right edges are equipped with frame, the square frame knot for the openings at one side that the glue frame surrounds in three sides Structure, the glue frame is in frame, and backwards, the reflector plate, light guide plate and optical diaphragm group are located at the opening of the glue frame In glue frame, the reflector plate, light guide plate and optical diaphragm group are overlayed on backboard successively from bottom to up, the optical diaphragm group Upper surface is concordant with the upper surface of the glue frame, and a lug, the glue frame are equipped with left and right sides of the optical diaphragm group Left and right sides on be equipped with groove for accommodating the lug, the depth of the groove is identical with the thickness of lug, institute State and the first adhesive tape is pasted with the left side and right edge of glue frame, first adhesive tape position corresponding with the groove is pasted In the upper surface of lug, the optical diaphragm group is provided with extension in the both sides of lug, the close lug end of the extension with The corresponding sides of lug connect, and the remote lug end of the extension flushes with the corresponding sides of optical diaphragm group, and the glue frame is recessed The both sides of groove are provided with breach, and that one end of the extension away from optical diaphragm group is stretched into and is positioned in corresponding breach, institute State and shading coating is printed with extension.
- A kind of 2. backlight module for reducing light leak as claimed in claim 1, it is characterised in that：The shading coating is covered with entirely Extension.
- A kind of 3. backlight module for reducing light leak as claimed in claim 1, it is characterised in that：The shading coating is black.
- A kind of 4. backlight module for reducing light leak as claimed in claim 1, it is characterised in that：The edge of first adhesive tape surpasses The inward flange of glue frame is crossed, first adhesive tape exceedes the bonding partially of glue frame inward flange in optical diaphragm group.
- A kind of 5. backlight module for reducing light leak as claimed in claim 1, it is characterised in that：The glue frame front side edge upper surface The second adhesive tape is pasted with, the 3rd adhesive tape, the upper end of first adhesive tape, the second adhesive tape and the 3rd adhesive tape are pasted with the crimping Face is concordant.
- A kind of 6. backlight module for reducing light leak as claimed in claim 5, it is characterised in that：The length of first adhesive tape and The length of the inward flange of the left and right side of glue frame is identical, the both ends of second adhesive tape inward flange with two first adhesive tapes respectively Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721001661.1U CN207114976U (en) | 2017-08-11 | 2017-08-11 | A kind of backlight module for reducing light leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721001661.1U CN207114976U (en) | 2017-08-11 | 2017-08-11 | A kind of backlight module for reducing light leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114976U true CN207114976U (en) | 2018-03-16 |
Family
ID=61571319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721001661.1U Expired - Fee Related CN207114976U (en) | 2017-08-11 | 2017-08-11 | A kind of backlight module for reducing light leak |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114976U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128870A (en) * | 2022-07-28 | 2022-09-30 | 龙岩学院 | Quantum dot backlight module |
| CN115826296A (en) * | 2022-12-20 | 2023-03-21 | 武汉华星光电技术有限公司 | Backlight module |
-
2017
- 2017-08-11 CN CN201721001661.1U patent/CN207114976U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115128870A (en) * | 2022-07-28 | 2022-09-30 | 龙岩学院 | Quantum dot backlight module |
| CN115826296A (en) * | 2022-12-20 | 2023-03-21 | 武汉华星光电技术有限公司 | Backlight module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204287672U (en) | A kind of LCD display device with anti-light leakage structure | |
| CN104678647A (en) | LCD display device with black plastic rubber | |
| CN207114976U (en) | A kind of backlight module for reducing light leak | |
| CN103064215B (en) | Liquid crystal indicator | |
| CN205899197U (en) | Backlight module and liquid crystal display (LCD) device | |
| CN204403961U (en) | Backlight and liquid crystal display module | |
| CN205334017U (en) | Backlight source | |
| CN207114974U (en) | The backlight module for being easy to optical diaphragm group to fix | |
| CN203241656U (en) | Liquid crystal displayer | |
| CN105093673B (en) | A kind of reverse group dress backlight glue frame, backlight module and display device | |
| CN207114977U (en) | A kind of backlight module for preventing angular position light leak | |
| CN104501047A (en) | Backlight module structure | |
| CN203732848U (en) | Backlight module | |
| CN204164820U (en) | backlight source module and liquid crystal display module | |
| CN203054377U (en) | Liquid crystal displaying device preventing panel from leaking light | |
| CN203215440U (en) | LCD (Liquid Crystal Display) backlight module with housing and LGP (Light Guide Plate) free of fastening design | |
| CN206193408U (en) | Back light module and liquid crystal display device | |
| CN206209241U (en) | A kind of liquid crystal display module | |
| CN206523715U (en) | A kind of light guide plate positioning structure of anti-printing opacity | |
| CN207114975U (en) | A kind of stable backlight module of fixed effect | |
| CN204733211U (en) | A kind of multilayer tempering safe mobile phone screen glass cover plate | |
| CN204155036U (en) | A kind of glue iron integration backing structure | |
| CN203054402U (en) | Liquid crystal display (LCD) device | |
| CN206470502U (en) | Backlight module, liquid crystal display module, liquid crystal display | |
| CN206684440U (en) | A kind of backlight and liquid crystal display die set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |