CN206684439U - A kind of backlight module and its narrow frame liquid crystal display device - Google Patents
A kind of backlight module and its narrow frame liquid crystal display device Download PDFInfo
- Publication number
- CN206684439U CN206684439U CN201720466645.3U CN201720466645U CN206684439U CN 206684439 U CN206684439 U CN 206684439U CN 201720466645 U CN201720466645 U CN 201720466645U CN 206684439 U CN206684439 U CN 206684439U
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- Prior art keywords
- side wall
- protuberance
- opening
- backlight module
- center
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 claims description 16
- 239000012788 optical film Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Liquid Crystal (AREA)
Abstract
The narrow frame liquid crystal display device of a kind of backlight module and its application backlight module, shown backlight module includes backboard, and center, the backboard have side wall；The center has a frame and protuberance, and the protuberance includes the extension stretched out perpendicular to the framework plane of frame and from extension bottom to the prominent clamping part formed in one side；Wherein described side wall has opening, the opening portion of the opening comprising at least one vertical direction and the opening portion of a horizontal direction, the opening portion of the vertical direction is concordant with side wall top edge, and opening portion and the side wall top edge of horizontal direction have certain distance；Wherein, the opening is mutually clamped fixation with the protuberance, the lateral surface of the opening portion receiving extension of the vertical direction, the opening portion receiving clamping part of the horizontal direction, the extension and the clamping part is no more than the lateral surface of the side wall.The utility model can realize that narrow frame is shown.
Description
Technical field
The utility model relates to a kind of backlight module, in particular to a kind of back of the body that can be applied to narrow frame and show
The display device of optical mode group and its application backlight module.
Background technology
Liquid crystal display device has many technologies, performance advantage, so as to take as display device widely used at present
For the CRT display devices of early stage.Common liquid crystal display device, include the liquid crystal display panel of display image, to liquid crystal
Show that panel provides visible ray and positioned at the light source at panel back, and carrying and the framework system of fixed liquid crystal display panel and light source
System structure.Light source and frame system structure together constitute the backlight module of liquid crystal display device.Wherein frame system includes
Light source, the backboard of optical film material are carried, and with being used to carry liquid crystal display panel and fixed or limitation optical film after composition of backboards
The center of material position.
At this stage, liquid crystal display device can realize the characteristics of slimming, narrow frame, increasingly be connect extensively by consumer
By.Therefore, how to reduce from the frame system structural area seen by liquid crystal display device viewing side account for it is overall show area it
Than becoming the technical problem for primary study in the field and concern.Meanwhile the change of frame system structure can also influence liquid crystal
The optical characteristics of mutual cooperation between display panel and light source, make the reduction of liquid crystal display panel display effect.For example, in side entering type
In backlight module, if edge black matrix and light source distance are excessively near in liquid crystal display panel, lamp shadow and light leakage phenomena can be produced.
Such as shown in Fig. 1, the side wall of backboard 121 is provided perpendicular to backboard side wall, outstanding snap-in structure 1212,
Center 122 has center side wall 1222, on center side wall 1222 relative to prominent snap-in structure 1212 at, offer through hole
The center neck 1223 of shape, and fixation is mutually clamped with snap-in structure 1212, so that center 122 interfixes with backboard 121.
The problem of such a fixed structure, is, as shown in Fig. 2 the lateral surface of protuberance center side wall 1222 is located at backboard side wall
The center side of remote liquid crystal display panel 11 of 1211 lateral surface, so that the carrying liquid crystal display panel 11 of center 122
The wider width of center frame 1221, it is unfavorable for subtracting narrow frame.Meanwhile during such a structure, it is past to reach the design of narrow frame
Width toward the light shield layer 111 with liquid crystal display panel 11 reduces, to increase the accounting of viewing area, still, and now, light
The horizontal width of source 123 to the inside edge of light shield layer 111 will reduce, and so as to which light mixing distance reduces, so watch liquid from front
During crystal device, lamp shadow or light leakage phenomena will occur in dipped beam source viewing area.
Utility model content
The utility model provides a kind of frame that is advantageous to and narrowed backlight module and its narrow side that can be applied to that narrow frame is shown
Frame liquid crystal display device, to solve problems of the prior art.
Main purpose of the present utility model is to provide a kind of backlight module, and frame system therein can securely realize the back of the body
The assembling of optical mode group, and reduce the cooperation width of frame system, so as to make display surface of the frame system structure to display panel
Product influences to reduce, and realizes the design of narrow frame liquid crystal display device.
To realize object defined above of the present utility model, the embodiment of the utility model one provides a kind of backlight module, including the back of the body
Plate, and center, the backboard have side wall；The center has a frame and protuberance, the protuberance include perpendicular to
Extension that the framework plane of frame is stretched out and from extension bottom to the prominent clamping part formed in one side；Wherein described side
Wall has the opening portion of opening, the opening portion of the opening comprising at least one vertical direction and a horizontal direction, institute
State that the opening portion of vertical direction is concordant with side wall top edge, opening portion and the side wall top edge of horizontal direction have a spacing
From；Wherein, the opening is mutually clamped fixation with the protuberance, and the opening portion of the vertical direction accommodates the stretching
The lateral surface of portion, the opening portion receiving protuberance of the horizontal direction, the extension and the protuberance is no more than
The lateral surface of the side wall.
In an embodiment of the present utility model, the side wall also includes setting on opening portion in the horizontal direction
Projection, the projection is between protuberance and frame.
In an embodiment of the present utility model, opening portion and two of the opening with vertical direction
The opening portion of the horizontal direction, the extension have two clamping parts.
In an embodiment of the present utility model, the protuberance also has the groove being arranged between two clamping parts.
In an embodiment of the present utility model, the backboard is integrated stamping forming metal backing, and the center is
It is molded by plastic material.
In an embodiment of the present utility model, the backboard at least has side wall, and multiple side walls in a plurality of directions
The opening is provided with, the protuberance with the center is mutually clamped fixation respectively.
In addition, in another embodiment of the present utility model, there is provided a kind of narrow frame liquid crystal display device, in addition to housing,
Optical film material and light source, and the liquid crystal display panel on protuberance frame is arranged on, the backboard also includes accommodating light
The groove of membrane material is learned, the optical film material also includes light guide plate, and the light source is arranged between side wall and light guide plate, the liquid crystal
Position inside display panel close to liquid crystal display panel edge is additionally provided with the light shield layer to shut out the light, the inner side of the light shield layer
Edge compared to frame inside edge closer to the center of liquid crystal display panel.
Compared with prior art, backlight module of the present utility model extremely applies the narrow frame liquid crystal display of the backlight module
Device, backboard and center can be limited and be fixed the cross-sectional width of part, reduce frame system protuberance width, so as to be easier
Realize narrow frame, moreover it is possible to because of the reduction of frame system protuberance width, and be that the width of light shield layer is allowed some leeway, so as to be easier
Eliminate lamp shadow and light leakage phenomena.
Below in conjunction with accompanying drawing, preferred embodiment is described in detail.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below by needed for the description to embodiment
The accompanying drawing to be used is briefly described.Drawings in the following description are only exemplary embodiment of the present utility model.
Fig. 1 is the protuberance installation diagram of the backlight module of prior art；
Fig. 2 is the protuberance A-A cross section views of the backlight module of prior art；
Fig. 3 is the protuberance installation diagram of the backlight module of the embodiment of the utility model one；
Fig. 4 is the protuberance B-B cross section views of the backlight module of the embodiment of the utility model one；
Fig. 5 is the backlight module global view of another embodiment of the utility model；
Fig. 6 is the narrow frame liquid crystal display device schematic diagram of the utility model another embodiment；
Fig. 7 is the backlight module protuberance installation diagram of the utility model another embodiment.
Embodiment
The explanation of following embodiment is with reference to additional schema, can be implemented to exemplary displaying the utility model
Specific embodiment.In addition, the direction term that the utility model is previously mentioned, for example, upper and lower, top, bottom, front, rear, left and right, it is interior,
Outside, side, surrounding, center, level, transverse direction, vertically, longitudinally, axial direction, radial direction, the superiors or orlop etc., be only with reference to additional
The direction of schema.Therefore, the direction term used is to illustrate and understand the utility model, and is not used to limit this practicality newly
Type.
In the utility model, the inner side mentioned in the case of no certain illustrated, refers to the center one towards backboard
Side, or the side towards liquid crystal panel center, outside are opposite sides in contrast.Vertical direction, refer to liquid crystal display device
Liquid crystal display panel when facing up horizontal positioned, perpendicular to the direction of liquid crystal panel plane, horizontal direction refers to and liquid crystal
A direction in panel plane horizontal plane parallel to each other, specifically need to be depending on plane where structure.
It is a kind of backlight module described in the utility model shown in reference picture 3 and Fig. 4, including metal backing 221, plastic cement
Center 222, LED light source 223 and optical film material 224.Wherein, the metal backing 221 also includes depressed part 2210 and backboard side
Wall 2211, depressed part and the backboard side wall are integrally formed with metal backing main body with impact style, and depressed part 2210 is used to hold
Receive side entering type LED light source 223 and optical film material 224 for light to be exported to liquid crystal display panel 21 from light source.It is described
Center includes a frame 2221 and a protuberance 2222, and the center is the integrative-structure being fabricated with injection molding manner, center
Frame 2221 is used to carry liquid crystal display panel 21, and the framework plane of frame is parallel with the plane of liquid crystal display panel.
Backlight module in the present embodiment, the backboard side wall 2211 also have relative horizontal opening portions 2212 and 2213, its
It is horizontally arranged where along backboard side wall, and there is certain distance with the top edge of backboard side wall respectively, form a pair of cards
Share caulking groove, the opening portion between horizontal opening portions 2212 and 2213 is formed as vertical opening part, its edge of opening with
The top edge of side wall is concordant, and the center protuberance 2222 includes the extension stretched out perpendicular to the framework plane of frame, and
A pair of snap fits are formed to the prominent clamping part 2223 and 2224,2223 and 2224 that is formed in both sides respectively from extension bottom, it is described
The size of horizontal opening portions is more than the size of the clamping part, and the size of the vertical opening part is more than center extension
Size, snap fit is set to be deep into caulking groove, backboard side wall 2211 is fixed with center protuberance 2222, so that backboard 221
It is fixed with both centers 222, now, it is observed from section B-B, the lateral surface of center protuberance 2222 is outer with side wall 2211
Side is in same perpendicular, in the case of center frame width is constant, after can effectively reducing center and backboard fixation
Horizontal width, it is easier to frame is narrowed.2212 and 2213 are and metal backing in the form of punching press one described in the present embodiment
Body formed, described 2223 and 2224 be to be integrally formed with plastic cement center 222 in the form of injection.
As shown in figure 3, in the backlight module of the embodiment of the utility model one, also dashed forward in backboard side wall 2211 including side wall
2214 and 2215 are played, protrudes from the backboard side wall top edge, when 2213 and 2224 are fixed, the side wall projection 2215
It is placed between center clamping part 2224 and center frame 2221, and center frame 2221 described in contact, central frame frame
During 2221 stress deformation, load effect can be played, prevents 2224 disengagings 2213, so that center departs from backboard.
As shown in figure 3, in the backlight module of the embodiment of the utility model one, also there is groove on center protuberance 2222
2225, it is arranged between clamping part 2223 and 2224, groove is less than the one of protuberance height to the depth that frame direction is recessed
Half, groove 2225 can make protuberance have certain elastic deformation on left and right directions in such as figure, and 2223 and 2224 can be made more to hold
Easy is fastened in horizontal opening portions 2212 and 2213.
As shown in figs. 4 and 7, the backlight module of another embodiment of the present utility model, including metal backing 221, plastic cement
Center 222, backboard include backboard side wall 2211, and the backboard side wall has the opening of L-shaped, and the center includes frame 2221
With protuberance 2222, the protuberance 2222 includes the extension stretched out perpendicular to the framework plane of frame, and from extension
Respectively to the prominent clamping part 2224 formed in both sides, the backboard sidewall opening includes the perpendicular of receiving center extension for bottom
Straight opening part, and the horizontal opening portions 2213 for accommodating center clamping part 2224.Now, it is observed from section B-B,
The lateral surface of center protuberance 2222 is in same perpendicular with the lateral surface of backboard side wall 2211, wide in center frame
Spend it is constant in the case of, the horizontal width after center and backboard are fixed can be effectively reduced, it is easier to frame is narrowed.Shown in Fig. 7
In embodiment, it is necessary to elastic deformation by its material when the protuberance is fixed or opened with the opening.
As shown in figure 5, the backlight module 22 of an embodiment of the present utility model, backboard it is shown in the figure it is left and right, on,
In the side wall in three directions, horizontal opening portions 2213 and relative another opening and vertical opening part are provided with (in figure
It is not shown), and be fixed togather respectively with corresponding to clamping part 2223 on 222 3 directions of integral type center, so that backlight mould
Frame of the group on above three direction narrows.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the narrow frame liquid crystal display device 20 of another embodiment of the present utility model,
With liquid crystal display panel 21, backlight module 22, front frame 23, as shown in figure 4, further, the center frame of backlight module
2221 downside surface contacts with optical film material 224, plays a part of preventing optical film material from moving.The optical film material 224 wraps
Bottom reflector plate 2241, light guide plate 2242, prismatic lens 2243 and diffusion sheet 2244 are included, and is placed on the recessed of backboard from bottom to top successively
Fall into portion 2210.The light source 223 of the backlight module is arranged in the space between backboard side wall 2211 and light guide plate 2242, LED
The circuit board of light source 223 is fixed in a manner of pasting in backboard side wall 2211.And the LED light source 223 is located at center framework
In the range of the floor projection in portion 2221.It is as shown in Figure 5 it is left and right, on three directions center and backboard side wall between employ
The fixed form that center protuberance is mutually clamped with backboard sidewall opening is fixedly connected, and reaches the technique effect of narrow frame.
In addition, as shown in figure 4, liquid crystal display panel 21 is provided with what is shut out the light inside display panel, close to glass substrate edge
Light shield layer 211, because after center and backboard side wall are fixed, width subtracts in (such as Fig. 2) compared with prior art for the width of global sections
It is small, so as to so that the width of light shield layer is unlikely to greatly reduce because of narrow frame demand, then the inner side edge of the light shield layer
Edge, the inside edge than center is arranged to, closer to the center of liquid crystal display panel, the display panel center is right in figure
Side, now, the light shield layer position for the Fig. 2 in the prior art of comparing, the light that LED light source 223 is sent are needed by longer mixed
Electrical distance, then because light source and lamp shadow and light leakage phenomena caused by light shield layer hypotelorism are addressed.
The utility model is illustrated via above-mentioned related embodiment, however, above-described embodiment is only as this reality of implementation
With new example.It has to be noted that published embodiment is not limiting as the scope of the utility model.On the contrary, bag
The modification for the spirit and scope being contained in claims, and impartial setting are included in the scope of the utility model.
Claims (7)
1. a kind of backlight module, including backboard, and center, it is characterised in that
The backboard has side wall；
The center has frame and protuberance, and the protuberance includes the stretching stretched out perpendicular to the framework plane of frame
Portion and from extension bottom to the prominent clamping part formed in one side；
Wherein described side wall has opening, the opening portion of the opening comprising at least one vertical direction and a horizontal direction
Opening portion, the opening portion of the vertical direction is concordant with side wall top edge, on the opening portion and side wall of horizontal direction
Edge has certain distance；
Wherein, the opening is mutually clamped fixation with the protuberance, and the opening portion of the vertical direction accommodates the stretching
The lateral surface of portion, the opening portion receiving clamping part of the horizontal direction, the extension and the clamping part is no more than
The lateral surface of the side wall.
2. backlight module as claimed in claim 1, it is characterised in that：The side wall also includes setting opening in the horizontal direction
Projection on part, the projection is between protuberance clamping part and frame.
3. backlight module as claimed in claim 2, it is characterised in that：The opening of the opening with a vertical direction
Part and the opening portion of two horizontal directions, the protuberance have two clamping parts.
4. backlight module as claimed in claim 3, it is characterised in that：The protuberance also have be arranged on two clamping parts it
Between groove.
5. backlight module as claimed in claim 4, it is characterised in that the backboard is integrated stamping forming metal backing,
The center is molded by plastic material.
6. backlight module as claimed in claim 5, it is characterised in that the backboard at least has side wall in a plurality of directions,
And multiple side walls are provided with the opening, the protuberance with the center is mutually clamped fixation respectively.
7. a kind of narrow frame liquid crystal display device with any backlight module of claim 1 to 6, in addition to housing, light
Membrane material and light source are learned, and is arranged on the liquid crystal display panel on protuberance frame, it is characterised in that the backboard also wraps
The groove for accommodating optical film material is included, the optical film material also includes light guide plate, and the light source is arranged between side wall and light guide plate,
The LCD intralamellar part is additionally provided with the light shield layer to shut out the light, the shading close to the position at liquid crystal display panel edge
Framework inside edge is compared closer to the center of liquid crystal display panel in the inside edge of layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466645.3U CN206684439U (en) | 2017-04-28 | 2017-04-28 | A kind of backlight module and its narrow frame liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466645.3U CN206684439U (en) | 2017-04-28 | 2017-04-28 | A kind of backlight module and its narrow frame liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206684439U true CN206684439U (en) | 2017-11-28 |
Family
ID=60407095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720466645.3U Expired - Fee Related CN206684439U (en) | 2017-04-28 | 2017-04-28 | A kind of backlight module and its narrow frame liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206684439U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110133921A (en) * | 2019-05-30 | 2019-08-16 | 武汉华星光电技术有限公司 | Display device |
| CN110361880A (en) * | 2019-07-12 | 2019-10-22 | 深圳市万普拉斯科技有限公司 | Display module and its assemble method, display device |
| CN110501832A (en) * | 2019-08-15 | 2019-11-26 | 武汉华星光电技术有限公司 | Encapsulating structure and display device |
| CN110807985A (en) * | 2019-10-10 | 2020-02-18 | 福建华佳彩有限公司 | Display module |
| US10802207B2 (en) | 2018-12-05 | 2020-10-13 | Au Optronics Corporation | Backlight module |
| CN112987363A (en) * | 2019-12-02 | 2021-06-18 | 海信视像科技股份有限公司 | Display device |
| CN114200705A (en) * | 2021-12-09 | 2022-03-18 | 武汉华星光电技术有限公司 | Display module structure and display device |
| WO2023201593A1 (en) * | 2022-04-20 | 2023-10-26 | 京东方科技集团股份有限公司 | Display module and display apparatus |
| WO2023226006A1 (en) * | 2022-05-27 | 2023-11-30 | 京东方科技集团股份有限公司 | Backlight module, display module and display device |
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2017
- 2017-04-28 CN CN201720466645.3U patent/CN206684439U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10802207B2 (en) | 2018-12-05 | 2020-10-13 | Au Optronics Corporation | Backlight module |
| CN110133921B (en) * | 2019-05-30 | 2024-03-29 | 武汉华星光电技术有限公司 | Display device |
| WO2020237843A1 (en) * | 2019-05-30 | 2020-12-03 | 武汉华星光电技术有限公司 | Display device |
| CN110133921A (en) * | 2019-05-30 | 2019-08-16 | 武汉华星光电技术有限公司 | Display device |
| CN110361880A (en) * | 2019-07-12 | 2019-10-22 | 深圳市万普拉斯科技有限公司 | Display module and its assemble method, display device |
| CN110501832A (en) * | 2019-08-15 | 2019-11-26 | 武汉华星光电技术有限公司 | Encapsulating structure and display device |
| CN110501832B (en) * | 2019-08-15 | 2024-06-07 | 武汉华星光电技术有限公司 | Packaging structure and display device |
| CN110807985A (en) * | 2019-10-10 | 2020-02-18 | 福建华佳彩有限公司 | Display module |
| CN112987363A (en) * | 2019-12-02 | 2021-06-18 | 海信视像科技股份有限公司 | Display device |
| CN112987363B (en) * | 2019-12-02 | 2023-08-18 | 海信视像科技股份有限公司 | Display device |
| WO2023103043A1 (en) * | 2021-12-09 | 2023-06-15 | 武汉华星光电技术有限公司 | Display module structure and display device |
| CN114200705B (en) * | 2021-12-09 | 2023-12-05 | 武汉华星光电技术有限公司 | Display module structure and display device |
| CN114200705A (en) * | 2021-12-09 | 2022-03-18 | 武汉华星光电技术有限公司 | Display module structure and display device |
| CN117597624A (en) * | 2022-04-20 | 2024-02-23 | 京东方科技集团股份有限公司 | Display module and display device |
| WO2023201593A1 (en) * | 2022-04-20 | 2023-10-26 | 京东方科技集团股份有限公司 | Display module and display apparatus |
| WO2023226006A1 (en) * | 2022-05-27 | 2023-11-30 | 京东方科技集团股份有限公司 | Backlight module, display module and display device |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |