CN104696833A - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN104696833A CN104696833A CN201510154172.9A CN201510154172A CN104696833A CN 104696833 A CN104696833 A CN 104696833A CN 201510154172 A CN201510154172 A CN 201510154172A CN 104696833 A CN104696833 A CN 104696833A
- Authority
- CN
- China
- Prior art keywords
- retainer ring
- backlight module
- protruding pinna
- storage tank
- framework
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000012788 optical film Substances 0.000 abstract 4
- 241001463913 Pinna Species 0.000 description 51
- 210000000624 ear auricle Anatomy 0.000 description 51
- 239000003292 glue Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a backlight module, which comprises a frame, an optical diaphragm group and a fixing ring. The optical film set is arranged in the frame, so that the periphery of the optical film set is surrounded by the frame or corresponds to the frame. The optical film group is provided with a lug part which is directly or indirectly supported by the bearing surface of the frame. The frame supports the optical film group by the support of the bearing surface opposite to the lug part. The two sides of the lug part are respectively or at least provided with a groove, the lug part is hooped by the fixing ring, and at least part of the fixing ring is clamped in the groove.
Description
[technical field]
The invention relates to a kind of backlight module for display unit; Specifically, the invention relates to and a kind ofly there is blooming piece location mechanism and for the backlight module of display unit.
[background technology]
Figure 1 shows that a kind of traditional backlight modular structure, comprise glue frame 10 and blooming piece 30.The major function of blooming piece 30 is to adjust the optics behavior that below light source institute produces light, and glue frame 10 is then for bearing optical diaphragm 30 or the display floater above supporting.Glue frame 10 side is typically provided with barricade, and blooming piece 30 is then arranged in barricade, and is supported by glue frame 10.For the relation between fixed optics diaphragm 30 and glue frame 10, usually can add on side and glue frame 10 that adhesive tape 50 is attached at blooming piece 30 respectively, or double faced adhesive tape is set between blooming piece 30 and glue frame 10, move relative to glue frame 10 to avoid blooming piece 30.
But when backlight module is subject to external force collision, the stationkeeping ability that adhesive tape 50 can provide is limited.Sometimes blooming piece 30 or glue frame 10 can be separated with adhesive tape 50 because of external impacts, and then produce relative displacement.When blooming piece 30 produces relative displacement with glue frame 10, namely may sample by image optics, even may produce local failure.
[summary of the invention]
The object of the present invention is to provide a kind of backlight module, the reliability of positioning between blooming piece and framework can be improved.
Another object of the present invention is to provide a kind of backlight module, the chance producing relative displacement between blooming piece can be reduced.
Backlight module comprises framework, optical diaphragm group and retainer ring.Optical diaphragm group is become by least a slice optical diaphragm group, and be arranged in framework.Optical diaphragm group has a protruding pinna, and at least one side of protruding pinna has groove.Retainer ring wales protruding pinna and at least partly retainer ring is sticked in groove.Wherein, framework includes breasting face, and protruding pinna is by this breasting face is supported.
By the setting of retainer ring, blooming piece can be reduced and produce the degree of relative displacement relative to framework, to increase product yield and to bear the ability of external force collision.In addition, retainer ring also can increase the globality of the multiple blooming pieces in optical diaphragm group, and reduces the possibility producing relative displacement each other.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram of conventional backlight module;
Fig. 2 A is the embodiment exploded perspective view of backlight module of the present invention;
Fig. 2 B is the close-up schematic view of Fig. 2 A illustrated embodiment;
Fig. 3 is the embodiment side generalized section of backlight module;
Fig. 4 is the embodiment top view of backlight module;
Fig. 5 is another embodiment schematic diagram of protruding pinna;
Fig. 6 is another embodiment side generalized section of backlight module;
Fig. 7 is another embodiment top view of backlight module;
Fig. 8 is the embodiment schematic diagram of backlight module middle frame;
Fig. 9 is another embodiment schematic diagram of retainer ring in backlight module;
Figure 10 is another embodiment schematic diagram of backlight module.
[symbol description]
100 frameworks
110 breasting faces
111 first storage tanks
130 breach
131 openings
150 sidewalls
151 second storage tanks
300 optical diaphragm group
310 blooming pieces
311 lugs
330 protruding pinnas
331 bottom surfaces
350 grooves
500 retainer rings
Bottom 510
530 fractures
550 snap fits
[detailed description of the invention]
The present invention is to provide a kind of backlight module.In one embodiment, backlight module be fluid,matching LCD panel or other need the display floater of backlight use to produce image; But in different embodiments, backlight module also can be used in other to be needed to provide on the device of backlight.
Please refer to the backlight module exploded perspective view that Fig. 2 A, Fig. 2 B and Fig. 3, Fig. 2 A are the present invention one specific embodiment; Fig. 2 B is the close-up schematic view of Fig. 2 A; Fig. 3 is the backlight module schematic side view of the present invention one specific embodiment, and backlight module comprises framework 100, optical diaphragm group 300 and retainer ring 500.Framework 100 can be made of plastics, but not as limit.In addition, framework 100 can be formed as the closed framework of rectangle, but not as limit.In different embodiments, framework 100 also can be the open bracing frame as ㄇ font, L shape or in-line.Framework 100 has a breasting face 110, it can be parallel to framework 100 institute itself to distribute the in-plane of extension.In addition, in this embodiment, framework 100 is formed with breach 130, breasting face 110 is then the bottom surface of breach 130.But in different embodiments, breasting face 110 also can be formed by the end face of framework 100 upper side wall, but not the bottom surface of recessed breach.
In this embodiment, optical diaphragm group 300 is superimposed and form by multiple blooming pieces 310, and is arranged in framework 100.The character of blooming piece 310 can be selected on demand, and selectable blooming piece 310 is including but not limited to diffusion sheet, blast sheet, dual brightness enhancement sheet etc.In addition, the multiple blooming pieces 310 in same optical diaphragm group 300 are not defined as the diaphragm of tool identical optical character.The surrounding of optical diaphragm group 300 be for framework 100 institute around or corresponding with framework 100.As shown in Figures 2 and 3, optical diaphragm group 300 is in having one or more protruding pinna 330 towards the side of framework 100, and protruding pinna 330 is for breasting face 110 supports directly or indirectly.In other words, protruding pinna 330 is placed on breasting face 110, and directly or indirectly contact with breasting face 110.By breasting face, 110 for the support of protruding pinna 330, and framework 100 is supported optical diaphragm group 330.In this embodiment, optical diaphragm group 330 is for being formed as rectangle, and is provided with protruding pinna 330 in two opposite sides; Framework 110 also correspondence is formed as rectangular box and is provided with breasting face 110 in two opposite sides.Framework 110 supports optical diaphragm group 330, and form space to hold below optical diaphragm group 330 and arrange light source or light guide plate.
In a specific embodiment as shown in Figure 2, the both sides of protruding pinna 330 have groove 350 respectively, and the both sides of this place speech can be protruding pinna 330 and stretch out both sides, direction towards framework 100.In this embodiment, each blooming piece 310 all has lug 311 in roughly the same position, and is superimposed with each other by the plurality of lug 311 and forms protruding pinna 330.As shown in Figure 2, the space that on framework 100, breach 130 is recessed to form, in having opening 131 towards the side of optical diaphragm group 300, to be stretched into and on the breasting face of being arranged at 110 from opening 131 for protruding pinna 330.
As shown in Figures 2 and 3, retainer ring 500 wales protruding pinna 330, and at least part of retainer ring 500 is sticked in groove 350.In this embodiment, retainer ring 500 is for closing complete loop configuration, to be surrounded on protruding pinna 330.As shown in Figure 3, retainer ring 500 has the bottom 510 by protruding pinna 330 bottom surface 331, and bottom 510 is by between protruding pinna 330 bottom surface 331 and glue frame 100 breasting face 110.Because retainer ring 500 has certain thickness, therefore in this embodiment, retainer ring 500 is resisted against on breasting face 110, makes breasting face 110 be able to the indirect support ledge 330 via retainer ring 500.
Retainer ring 500 can be straight-flanked ring and has elasticity to a certain degree, therefore can strut retainer ring 500 and allow protruding pinna 330 to stretch into; Then retainer ring 500 can resilience and being positioned in groove 350 again.The inner edge width W of retainer ring 500
2can between the width W of protruding pinna 330
1and the spacing W between grooves on two sides 350
3.But in different embodiments, retainer ring 500 also can first exist with strip or banded structure, and end to end again and form closed circular structure after waling protruding pinna 330.In addition, in a specific embodiment as shown in the backlight module partial top view schematic diagram of Fig. 4, the thickness T of retainer ring 500
1the degree of depth T of groove 350 towards protruding pinna 330 indent can be not more than
2, therefore retainer ring 500 can be absorbed in the side edge surface of not outstanding protruding pinna 330 in groove 350 completely by the part of groove 350.In this embodiment, the thickness T of retainer ring 500
1be less than the degree of depth T of groove 350 towards protruding pinna 330 indent
2, therefore retainer ring 500 is depressed in groove 350; But in different embodiments, the thickness T of retainer ring 500
1equal the degree of depth T of groove 350 towards protruding pinna 330 indent
2, and make retainer ring 500 be flush with the side of protruding pinna 330.By this setting, namely breach 130 width on framework 100 does not need to widen especially because of the setting of retainer ring 500.
With the above embodiments, by the setting of retainer ring 500, blooming piece 310 produces relative displacement degree relative to framework 100 can be reduced, to increase product yield and to bear the ability of external force collision.In addition, retainer ring 500 also can increase the globality of the multiple blooming pieces 310 in optical diaphragm group 300, and reduces the possibility producing relative displacement each other.
Please refer to Fig. 5, Fig. 5 is another embodiment that protruding pinna 330 and retainer ring 500 coordinate.In the present embodiment, protruding pinna 330 is only provided with groove 350 in single side; This side is for protruding pinna 330 to stretch out the side in direction towards framework 100.Retainer ring 500 wales protruding pinna 330, and at least part of retainer ring 500 is sticked in groove 350.Compared to the embodiment of aforementioned protruding pinna 330 both sides all fluted 350, although the present embodiment lacks the groove 350 of location retainer ring 500 in the side at protruding pinna 330, but because only needing corresponding side groove 350 when being fixed disassembly ring 500 on protruding pinna 330, therefore relatively easily.
Please refer to Fig. 6, Fig. 6 is the backlight module schematic side view of another embodiment.Breasting face 110 can be formed with the first recessed storage tank 111.First storage tank 111 can bottom retainer ring 500 510 bearing of trend and extend.When protruding pinna 330 is arranged on breasting face 110, namely bottom 510 is contained in the first storage tank 111, makes the bottom surface 331 of protruding pinna 330 be able to essence and contacts with breasting face 110, and directly supports for breasting face 110.In addition, stretch into by bottom 510 in first storage tank 111, also can increase protruding pinna 330 and stretch out limit effect on optical diaphragm group 300 direction X with framework 100 at protruding pinna 330.In this embodiment, the thickness of bottom 510 also can be greater than the thickness at other positions of retainer ring 500.By this design, above-mentioned interference with the first storage tank 111 by bottom 510 can be strengthened further and the limit effect that produces.
Figure 7 shows that the backlight module local schematic top plan view of another embodiment.In this embodiment, the side of breach 130 has the side that sidewall 150 corresponds to protruding pinna 330.Sidewall 150 has the second storage tank 151, and the second storage tank 151 is extended by the bearing of trend of protruding pinna 330 side corresponding to sidewall 150 part along retainer ring 500.As the thickness T of retainer ring 500
3be greater than the degree of depth T of groove 350 towards protruding pinna 330 indent
4time, then namely partial fixing ring 500 can be given prominence to from the side of protruding pinna 330.When protruding pinna 330 stretches in breach 130, namely the above-mentioned ledge of retainer ring 500 stretches into the second storage tank 151 at least partly.By this setting, the locating effect between protruding pinna 330 and framework 100 can be strengthened further.
As shown in Figure 8, Fig. 8 is the glue frame partial schematic diagram of another embodiment backlight module, and the second storage tank 151 on sidewall 150 is to communicate with each other with the first storage tank 111 on breasting face 110.When protruding pinna 330 is arranged on breasting face 110, the part that retainer ring 500 can be made to be positioned at protruding pinna 330 side and bottom surface 331 embeds within framework 100 in the lump.One to arrange by this, except increasing except locating effect, more can the globality of strengthening design.
Fig. 9 is retainer ring 500 and optical diaphragm group 300 schematic diagram of another embodiment; In this embodiment, retainer ring 500 is semi-open but not enclosed design.Retainer ring 500 has a fracture 530, and the inner side that retainer ring 500 corresponds to fracture 530 two ends is respectively arranged with snap fit 550.In other words, the shape of retainer ring 500 can be similar to the shape of a hoof or ㄇ font, and is respectively equipped with snap fit 550 in two ends.The setting of snap fit 550 and the elasticity of retainer ring 500 allow protruding pinna 330 compel out snap fit 550 and enter in retainer ring 500, and provide enough binding force to increase the resistance that protruding pinna 330 deviates from retainer ring 500.When protruding pinna 330 enters after in retainer ring 500, then by snap fit 550 is spacing and not easily deviate from.In addition, the retainer ring 500 in this example around bottom surface 331 and the both sides of protruding pinna 330, and makes protruding pinna 330 in contrast to the end face 333 of bottom surface 331 towards fracture 530.In addition, fracture 530 be in this embodiment not restricted to towards or the supporting surface (this not shown in the figures) of framework dorsad, fracture 530 towards be can according to coordinating of framework and adjusting.
Figure 10 shows that another embodiment of backlight module.In this embodiment, optical diaphragm group be by single blooming piece 310 substitute.The character of blooming piece 310 can be selected on demand, and selectable blooming piece 310 is including but not limited to diffusion sheet, blast sheet, dual brightness enhancement sheet etc.The mode that the arranging of all the other frameworks 100 and retainer ring 500 is all similar to disclosed by previous embodiment or adopt identical spirit and arrange.By the setting of retainer ring 500, blooming piece 310 produces relative displacement degree relative to framework 100 can be reduced, to increase product yield and to bear the ability of external force collision.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, be contained in the spirit of claim and the amendment of scope and equalization to arrange and be all included within the scope of the present invention.
Claims (10)
1. a backlight module, comprises:
One framework, comprises a breasting face;
One optical diaphragm group, become by least a slice optical diaphragm group, be arranged in this framework, this optical diaphragm group has a protruding pinna; Wherein, at least one side of this protruding pinna has a groove; And
One retainer ring, wales this protruding pinna and this retainer ring is sticked in this groove at least partly;
Wherein, this protruding pinna is by this breasting face is supported.
2. backlight module as claimed in claim 1, is characterized in that, this breasting face forms one first storage tank, this retainer ring have had by this protruding pinna bottom one between a bottom surface and this breasting face, be contained in bottom this in this first storage tank.
3. backlight module as claimed in claim 2, is characterized in that having larger thickness compared with other parts bottom this of this retainer ring.
4. backlight module as claimed in claim 1, it is characterized in that, this framework is formed with a breach, this breasting face is the bottom surface for this breach, and this protruding pinna stretches into this breach and supported by this breasting face.
5. backlight module as claimed in claim 4, it is characterized in that, the side of this breach has a sidewall, this sidewall has one second storage tank, and this retainer ring is stretch at least partly in this second storage tank by the part of this protruding pinna side corresponding to this sidewall.
6. backlight module as claimed in claim 5, it is characterized in that, this breasting face forms one first storage tank, this retainer ring have had by this protruding pinna bottom one between a bottom surface and this breasting face, be contained in bottom this in this first storage tank, and this first storage tank is connected with this second storage tank.
7. backlight module as claimed in claim 1, it is characterized in that, this retainer ring is less than or equal to the degree of depth of this groove by the thickness of the part of this groove.
8. backlight module as claimed in claim 1, it is characterized in that, this retainer ring has a fracture, and this retainer ring is respectively arranged with a snap fit corresponding to inside the two ends of this fracture; This protruding pinna enters in this retainer ring via this fracture, and by this snap fit spacing.
9. backlight module as claimed in claim 8, is characterized in that, this retainer ring is both sides around this protruding pinna and a bottom surface.
10. backlight module as claimed in claim 1, it is characterized in that, the relative dual side-edge of this protruding pinna has this groove respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW104102141 | 2015-01-22 | ||
| TW104102141A TWI537651B (en) | 2015-01-22 | 2015-01-22 | Backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104696833A true CN104696833A (en) | 2015-06-10 |
| CN104696833B CN104696833B (en) | 2017-04-12 |
Family
ID=53344228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510154172.9A Expired - Fee Related CN104696833B (en) | 2015-01-22 | 2015-04-02 | Backlight module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104696833B (en) |
| TW (1) | TWI537651B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467506A (en) * | 2016-01-15 | 2016-04-06 | 京东方光科技有限公司 | Light guide plate, backlight and display device |
| CN107850799A (en) * | 2015-07-28 | 2018-03-27 | 堺显示器制品株式会社 | Display device |
| CN108803105A (en) * | 2017-05-02 | 2018-11-13 | 京东方科技集团股份有限公司 | A kind of backboard, back board module, backlight module and display module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI695256B (en) * | 2019-03-06 | 2020-06-01 | 友達光電股份有限公司 | Frame structure and display device with frame structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050169010A1 (en) * | 2004-01-29 | 2005-08-04 | Quanta Display Inc. | Backlight module with an impact damping design |
| CN101603657A (en) * | 2009-06-17 | 2009-12-16 | 友达光电股份有限公司 | Backlight module and comprise its electrooptical device |
| CN102944953A (en) * | 2012-11-16 | 2013-02-27 | 深圳市华星光电技术有限公司 | Display device |
-
2015
- 2015-01-22 TW TW104102141A patent/TWI537651B/en not_active IP Right Cessation
- 2015-04-02 CN CN201510154172.9A patent/CN104696833B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050169010A1 (en) * | 2004-01-29 | 2005-08-04 | Quanta Display Inc. | Backlight module with an impact damping design |
| CN101603657A (en) * | 2009-06-17 | 2009-12-16 | 友达光电股份有限公司 | Backlight module and comprise its electrooptical device |
| CN102944953A (en) * | 2012-11-16 | 2013-02-27 | 深圳市华星光电技术有限公司 | Display device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107850799A (en) * | 2015-07-28 | 2018-03-27 | 堺显示器制品株式会社 | Display device |
| CN105467506A (en) * | 2016-01-15 | 2016-04-06 | 京东方光科技有限公司 | Light guide plate, backlight and display device |
| CN105467506B (en) * | 2016-01-15 | 2019-03-12 | 京东方光科技有限公司 | A kind of light guide plate, backlight and display device |
| US10359562B2 (en) | 2016-01-15 | 2019-07-23 | Boe Techology Group Co., Ltd. | Light guide plate, backlight source and display device |
| CN108803105A (en) * | 2017-05-02 | 2018-11-13 | 京东方科技集团股份有限公司 | A kind of backboard, back board module, backlight module and display module |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201627729A (en) | 2016-08-01 |
| CN104696833B (en) | 2017-04-12 |
| TWI537651B (en) | 2016-06-11 |
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