CN104456294A - Liquid crystal display device and backlight module thereof - Google Patents
Liquid crystal display device and backlight module thereof Download PDFInfo
- Publication number
- CN104456294A CN104456294A CN201410620929.4A CN201410620929A CN104456294A CN 104456294 A CN104456294 A CN 104456294A CN 201410620929 A CN201410620929 A CN 201410620929A CN 104456294 A CN104456294 A CN 104456294A
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- CN
- China
- Prior art keywords
- support member
- backlight module
- breach
- body framework
- display floater
- 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
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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
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a liquid crystal display device and a backlight module thereof. The backlight module comprises a back frame, lamp sources arranged on the back frame and supporting pieces. The supporting pieces are arranged on the back frame and used for supporting a display panel arranged on bearing faces of the supporting pieces. By means of the mode, the glue-frame-free design is adopted, the production and manufacture cost of the liquid crystal display device and the backlight module thereof can be reduced, and the narrow frame design of the liquid crystal display device is facilitated.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of liquid crystal indicator without the design of frame glue and backlight module thereof.
Background technology
Liquid crystal indicator generally comprises front frame 11, display floater 12 and backlight module as shown in Figure 1; backlight module mainly comprises glue frame 131, optical diaphragm group 132, back of the body framework 133, light guide plate and lamp source 134 etc.; wherein glue frame 131 and back of the body framework 133 match with front frame 11, in order to grip and to protect display floater 12.
In backlight module, glue frame 131 is generally used for supporting display floater 12 and ensureing the integrally-built compactness of backlight module.But, the manufacture of glue frame 131 not only needs glue frame material cost, and need the process cost such as mould development cost and corresponding assembling, cause the manufacturing cost of backlight module and liquid crystal indicator higher, glue frame 131 is arranged at the periphery of display floater 12 in addition, is unfavorable for the narrow frame design of liquid crystal indicator.
Summary of the invention
In view of this, embodiment of the present invention technical problem to be solved is to provide a kind of liquid crystal indicator and backlight module thereof, can reduce the manufacturing cost of liquid crystal indicator and backlight module thereof, and is conducive to the narrow frame design of liquid crystal indicator.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of backlight module, comprise back of the body framework, be arranged at lamp source on back of the body framework and support member, support member is arranged on back of the body framework, in order to support the display floater that is arranged on its loading end.
Wherein, backlight module comprises buffering spacer, and buffering spacer is arranged on the loading end of support member.
Wherein, back of the body framework comprises base plate and is located in the sidewall of floor peripheral, and support member is arranged on sidewall, and the end face of support member contacts with the bottom surface of display floater.
Wherein, the sidewall of back of the body framework is provided with the first breach, and support member is fixed on the bottom surface of the first breach, and the width of support member is less than or equal to the width of the first breach.
Wherein, support member comprises horizontal part and is fixed on the rake at horizontal part two ends, and rake is connected in obtuse angle with horizontal part, horizontal part contact with the bottom surface of display floater and and the interval, bottom surface of the first breach arrange.
Wherein, backlight module comprises the optical diaphragm group being provided with ear loop further, ear loop comprises from the edge of the main part of optical diaphragm group towards the overhead kick portion that support member extends and the extension that is connected with overhead kick portion, extension is arranged between the bottom surface of horizontal part and the first breach, and overhead kick portion is connected to rake, rake stops overhead kick portion to move towards the main part of optical diaphragm group.
Wherein, optical diaphragm group offers the second breach, and ear loop is arranged in the second breach, and the degree of depth of the second breach is less than or equal to the length of ear loop, and equals the width of support member.
Wherein, support member to be formed in one structure with back of the body framework.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of liquid crystal indicator, comprises front frame, display floater and above-mentioned backlight module, and front frame is fixed with back of the body framework, and by display floater pressure holding on the loading end of support member.
Wherein, front frame comprises upper side frame and side frame, and side frame fixes with the sidewall of back of the body framework, and upper side frame is by display floater pressure holding on the loading end of support member, and the width of upper side frame is less than or equal to the width of support member.
Pass through technique scheme, the beneficial effect that the embodiment of the present invention produces is: the embodiment of the present invention replaces glue frame of the prior art in order to support display floater by support member, design owing to adopting glue-free frame, therefore, it is possible to reduce the manufacturing cost of backlight module, and be conducive to the narrow frame design using the liquid crystal indicator of this backlight module.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of the liquid crystal indicator of an embodiment in prior art;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the liquid crystal indicator of the preferred embodiment of the present invention;
Fig. 3 is the overall structure partial side view of the backlight module of the preferred embodiment of the present invention;
Fig. 4 is the structure side view of the support member of backlight module shown in Fig. 3;
Fig. 5 is the structure partial top view of the optical diaphragm group of the preferred embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, embodiment described below the present invention is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the liquid crystal indicator of the preferred embodiment of the present invention.Refer to shown in Fig. 2; the liquid crystal indicator 20 of the present embodiment comprises front frame 21, (liquid crystal) display floater 22 and backlight module 23; wherein front frame 21 for by display floater 22 pressure holding in backlight module 23, thus location and protection display floater 22.
Shown in Fig. 3, backlight module 23 comprises back of the body framework 231, be arranged at lamp source 232 on back of the body framework 231 and support member 233, and support member 233 is arranged on back of the body framework 231, in order to support the display floater 22 that is arranged on its loading end.Certainly, backlight module 23 also comprises other structures such as light guide plate.
The glue frame (such as the frame of glue shown in Fig. 1 131) of prior art is replaced in order to support display floater 22 by support member 233, owing to adopting the design of glue-free frame, therefore be compared to prior art, the present embodiment can reduce the manufacturing cost of backlight module 23.
Further, support member 233 be arranged at display floater 22 bottom surface and and non-circumferential, save the width of prior art center glue shared by periphery, therefore the present embodiment also helps the narrow frame design of liquid crystal indicator 20 using backlight module 23.
Please further shown in composition graphs 4, back of the body framework 231 comprises base plate 41 and is located in the sidewall 42 of base plate 41 periphery, and support member 233 is arranged on sidewall 42, and the end face of support member 233 contacts with the bottom surface of display floater 22.Particularly,
The sidewall 42 of back of the body framework 231 is provided with the first breach 43, the bottom surface of the first breach 43 and the plane being perpendicular residing for sidewall 42, support member 233 is fixed on the bottom surface of the first breach 43, and preferably the width of support member 233 is less than or equal to the width of the first breach 43, the wherein corresponding direction moved towards along the structure perpendicular to support member 233 of the width of the first breach 43, but not move towards along the structure of the sidewall 42 of back of the body framework 231.
Preferred support member 233 is symmetrical structure, and it comprises the horizontal part 331 that strip is arranged and the rake 332 being fixed on horizontal part 331 two ends, and preferred angled portion 332 is connected in obtuse angle with horizontal part 331, and the end face of horizontal part 331 contacts with the bottom surface of display floater 22.
The interval, bottom surface of the present embodiment preferred levels portion 331 and the first breach 43 is arranged, in order to realize the location to the optical diaphragm group 24 of liquid crystal indicator 20.Optical diaphragm group 24 refers to the uniform light that the exiting surface of the light guide plate of backlight module 23 can be made to send and improves one or more blooming pieces of display brightness.Particularly, shown in Fig. 5,
Optical diaphragm group 24 comprises at least one ear loop 241, this ear loop 241 comprises the edge from optical diaphragm group 24, the i.e. edge of the main part of optical diaphragm group 24, the overhead kick portion 242 extended towards support member 233 and the extension 243 be connected with overhead kick portion 242, preferred overhead kick portion 242 and extension 243 perpendicular, make ear loop 241 T-shaped.
Extension 243 is arranged in the interval region between the horizontal part 331 of support member 233 and the bottom surface of the first breach 43, and the side that overhead kick portion 242 is connected with extension 243 is connected to the rake 332 of support member 233, now the rake 332 of support member 233 stops overhead kick portion 242 to move towards the main part of optical diaphragm group 24, thus the location realized whole optical diaphragm group 24, prevent optical diaphragm group 24 from assembling, handling process, producing dislocation.
When considering support member 233 (horizontal part 331) carrying display floater 22, the region of display floater 22 corresponding support member 233 (horizontal part 331) width is caused to become non-display area, the preferred optical diaphragm group 24 of the present embodiment offers the second breach 244, in order to accommodating support member 233, and ear loop 241 is arranged in the second breach 244, namely the degree of depth of the second breach 244 is less than or equal to the length of ear loop 241 and equals the width of support member 233.
Please again consult shown in Fig. 2, during assembling, preferably the side frame of front frame 21 is fixed by screw locking mode with the sidewall of back of the body framework 231, the upper side frame of front frame 21 by display floater 22 pressure holding on the loading end of support member 233, thus by firm for display floater 22 pressure holding on backlight module 23.In order to ensure the narrow frame design of liquid crystal indicator 20, the width of preferred upper side frame is less than or equal to the width of support member 233, is namely less than or equal to the degree of depth of the second breach 244.
It is emphasized that the embodiment of the present invention describe in full in involved direction term, such as upper and lower, left and right and the degree of depth, width etc. are only with reference to direction shown in the drawings, for illustration of and be convenient to understand the present invention, and be not used to limit the present invention.
And should be understood that, above-mentioned backlight module 23 and liquid crystal indicator 20 are only one of them embodiments of the present invention, and other embodiments can have other to design, such as: support member 233 can be that integrated formed structure may not be with back of the body framework 231; In order to display floater 22 can not be damaged in assembling, handling process when the support member 233 ensureing to have high strength carries display floater 22, the embodiment of the present invention can arrange buffering spacer on the loading end of support member 233 (horizontal part 331), makes loading end have certain elastic buffer.
Primary and foremost purpose of the present invention replaces glue frame of the prior art in order to support display floater by support member, realizes the manufacturing cost reducing backlight module, and be conducive to the technique effect of the narrow frame design using the liquid crystal indicator of this backlight module.
Again illustrate; the foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; such as the be combineding with each other of technical characteristic between each embodiment; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a backlight module, is characterized in that, described backlight module comprises back of the body framework, is arranged at lamp source on described back of the body framework and support member, and described support member is arranged on described back of the body framework, in order to support the display floater be arranged on its loading end.
2. backlight module according to claim 1, is characterized in that, described backlight module also comprises buffering spacer, and described buffering spacer is arranged on the loading end of described support member.
3. backlight module according to claim 1, is characterized in that, described back of the body framework comprises base plate and is located in the sidewall of described floor peripheral, and described support member is arranged on described sidewall, and the end face of described support member contacts with the bottom surface of described display floater.
4. backlight module according to claim 3, is characterized in that, the sidewall of described back of the body framework is provided with the first breach, and described support member is fixed on the bottom surface of described first breach, and the width of described support member is less than or equal to the width of described first breach.
5. backlight module according to claim 4, it is characterized in that, described support member comprises horizontal part and is fixed on the rake at described horizontal part two ends, described rake is connected in obtuse angle with described horizontal part, described horizontal part contact with the bottom surface of described display floater and and the interval, bottom surface of described first breach arrange.
6. backlight module according to claim 5, it is characterized in that, described backlight module comprises the optical diaphragm group being provided with ear loop further, described ear loop comprises from the edge of the main part of described optical diaphragm group towards the overhead kick portion that described support member extends and the extension that is connected with described overhead kick portion, described extension is arranged between the bottom surface of described horizontal part and described first breach, and described overhead kick portion is connected to described rake, described rake stops described overhead kick portion to move towards the main part of described optical diaphragm group.
7. backlight module according to claim 6, it is characterized in that, described optical diaphragm group offers the second breach, and described ear loop is arranged in described second breach, the degree of depth of described second breach is less than or equal to the length of described ear loop, and equals the width of described support member.
8. backlight module according to claim 1, is characterized in that, described support member and described back of the body framework are formed in one structure.
9. a liquid crystal indicator, it is characterized in that, described liquid crystal indicator comprises front frame, display floater and the backlight module described in claim 1 ~ 9 any one, and described front frame and described back of the body framework are fixed, and by described display floater pressure holding on the loading end of described support member.
10. liquid crystal indicator according to claim 9, it is characterized in that, described front frame comprises upper side frame and side frame, the sidewall of described side frame and described back of the body framework fixes, described upper side frame is by described display floater pressure holding on the loading end of described support member, and the width of described upper side frame is less than or equal to the width of described support member.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201410620929.4A CN104456294B (en) | 2014-11-05 | 2014-11-05 | liquid crystal display device and its backlight module |
PCT/CN2014/090997 WO2016070453A1 (en) | 2014-11-05 | 2014-11-13 | Liquid crystal display apparatus and backlight module thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410620929.4A CN104456294B (en) | 2014-11-05 | 2014-11-05 | liquid crystal display device and its backlight module |
Publications (2)
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CN104456294A true CN104456294A (en) | 2015-03-25 |
CN104456294B CN104456294B (en) | 2017-09-01 |
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CN201410620929.4A Active CN104456294B (en) | 2014-11-05 | 2014-11-05 | liquid crystal display device and its backlight module |
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CN (1) | CN104456294B (en) |
WO (1) | WO2016070453A1 (en) |
Cited By (3)
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CN104950498A (en) * | 2015-06-29 | 2015-09-30 | 青岛海信电器股份有限公司 | Display device and glue frame and backboard for display device |
WO2017076124A1 (en) * | 2015-11-04 | 2017-05-11 | 京东方科技集团股份有限公司 | Backlight source plastic/metal structure, preparation method therefor, backlight source, and display device |
CN112987361A (en) * | 2019-12-16 | 2021-06-18 | 京东方科技集团股份有限公司 | Display module and display device |
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CN102096218B (en) * | 2010-12-02 | 2012-12-12 | 深圳市华星光电技术有限公司 | Liquid crystal display module and integrally-molded back plate thereof |
CN103162161B (en) * | 2011-12-08 | 2015-07-08 | 上海中航光电子有限公司 | Backlight module and liquid crystal display device |
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CN102621743A (en) * | 2012-04-13 | 2012-08-01 | 深圳市华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
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Cited By (6)
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CN104950498A (en) * | 2015-06-29 | 2015-09-30 | 青岛海信电器股份有限公司 | Display device and glue frame and backboard for display device |
CN104950498B (en) * | 2015-06-29 | 2018-06-12 | 青岛海信电器股份有限公司 | A kind of display device and the mounting and fixing bracket for display device |
WO2017076124A1 (en) * | 2015-11-04 | 2017-05-11 | 京东方科技集团股份有限公司 | Backlight source plastic/metal structure, preparation method therefor, backlight source, and display device |
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CN112987361A (en) * | 2019-12-16 | 2021-06-18 | 京东方科技集团股份有限公司 | Display module and display device |
CN112987361B (en) * | 2019-12-16 | 2023-02-24 | 京东方科技集团股份有限公司 | Display module and display device |
Also Published As
Publication number | Publication date |
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CN104456294B (en) | 2017-09-01 |
WO2016070453A1 (en) | 2016-05-12 |
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