CN208834053U - A kind of backlight module and display device - Google Patents
A kind of backlight module and display device Download PDFInfo
- Publication number
- CN208834053U CN208834053U CN201821722569.9U CN201821722569U CN208834053U CN 208834053 U CN208834053 U CN 208834053U CN 201821722569 U CN201821722569 U CN 201821722569U CN 208834053 U CN208834053 U CN 208834053U
- Authority
- CN
- China
- Prior art keywords
- backlight module
- optical diaphragm
- positioning column
- lug
- circuit board
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of backlight module and display devices, belong to technical field of liquid crystal display, wherein backlight module includes the backboard set gradually from the bottom to top, flexible circuit board, reflector plate, light guide plate and optical diaphragm, the at least side of the optical diaphragm is provided with lug, location hole is offered on the lug, correspondence is convexly equipped with positioning column to the flexible circuit board upwards, and the positioning column is plugged in the location hole.The utility model proposes backlight module, by the way that positioning column is arranged on flexible circuit board, and location hole is offered on optical diaphragm, it can not only realize the accurate assembling of optical diaphragm, optical diaphragm can also be limited and generate displacement when being shaken, it prevents bright line occur in the light-emitting surface of display device, improves user experience.The utility model proposes display device, can prevent optical diaphragm from shifting when being shaken.
Description
Technical field
The utility model relates to technical field of liquid crystal display more particularly to a kind of backlight module and display devices.
Background technique
With the continuous development of science and technology, the volume needs of display are increasingly frivolous, traditional cathode-ray tube display
(CRT) volume is big, and power consumption is more, by market.However, liquid crystal display device is due to the low, nothing with operation voltage
The advantages that radiating, be light-weight and small in size, it has also become the main product in market.Liquid crystal display device includes backlight module and liquid crystal
Two parts of display panel, wherein liquid crystal display panel does not shine, and light source is provided by backlight module, liquid crystal display panel benefit
With the variation for being clipped in electric field strength on liquid crystal molecule, change the orientation of liquid crystal molecule, controls the power of light transmission to show image.
Backlight module in the prior art is usually made of backboard, light source, light guide plate, optical diaphragm etc., optical diaphragm
Fixed form are as follows: in the two sides projection ear of optical diaphragm, carrying cave is offered in glue frame, the ear of optical diaphragm is put into
Into carrying cave, adhesive tape is attached in the upper surface of glue frame, to realize that optical diaphragm is fixed with glue frame.But it is ultra-thin for fuselage
For machine, since the depth in carrying cave is shallower, when being shaken, the ear of optical diaphragm is easy to produce liquid crystal display device
Displacement, so that optical diaphragm can be moved to the top of glue frame, causes the displacement of optical diaphragm, so as to cause liquid crystal display device
There is bright line in light-emitting surface, influences the picture quality of liquid crystal display device, and user experience is poor.
Utility model content
The purpose of this utility model is to provide a kind of backlight module and display devices, existing in the prior art to solve
Optical diaphragm is easy to happen the problem of offset, guarantees the preferable picture quality of the light-emitting surface of display device, improves user experience.
As above design, the technical scheme adopted by the utility model is
A kind of backlight module, including set gradually from the bottom to top backboard, flexible circuit board, reflector plate, light guide plate and
Optical diaphragm, which is characterized in that at least side of the optical diaphragm is provided with lug, offers location hole on the lug,
Correspondence is convexly equipped with positioning column to the flexible circuit board upwards, and the positioning column is plugged in the location hole.
Further, the backboard includes bottom plate and side wall, and the side wall bends inwards to be formed above the backboard
Lampshade, the flexible circuit board is electrically connected with LED light, the LED light between the lampshade and the flexible circuit board,
And it is located at the incident side of the light guide plate.
Further, the LED light is equipped with multiple, and multiple LED light interval settings, the positioning column are located therein
Between two adjacent LED light.
Further, open up jagged on the lampshade, the lug is contained in the lug.
Further, along the axis direction of the positioning column, the free end of the positioning column is no more than the upper of the lampshade
Surface.
Further, the lampshade is equipped with fixed ear in the indentation, there convex, and the fixed ear is fixed with printing electricity
Road plate.
Further, there are two the lug and positioning column are respectively provided with, each positioning column is plugged into corresponding
In the location hole of the lug.
Further, the lower surface of the lug of the optical diaphragm is coated with white paint layer.
Further, the backlight module further includes glue frame, and the inside of the backboard is arranged in the glue frame, and is arranged
The optical diaphragm is not provided with the side of the lug.
To achieve the above object, the utility model additionally provides a kind of display device, including backlight module described above.
The utility model has the beneficial effects that
The utility model proposes backlight module, by the way that positioning column is arranged on flexible circuit board, and on optical diaphragm
Location hole is offered, positioning column and location hole cooperation can not only realize the accurate assembling of optical diaphragm, moreover it is possible to limit optical film
Piece generates displacement when being shaken, and prevents bright line occur in the light-emitting surface of display device, improves user experience.
The utility model proposes display device, can be realized the Fast Installation positioning of optical diaphragm, and can prevent
Optical diaphragm shifts when being shaken.
Detailed description of the invention
Fig. 1 is the cross-sectional view of backlight module provided by the utility model；
Fig. 2 is the top view of backlight module provided by the utility model；
Fig. 3 is the partial enlarged view in Fig. 2 at A.
In figure:
1, backboard；11, lampshade；12, fixed ear；121, through-hole；
21, flexible circuit board；211, positioning column；22, LED light；
3, optical diaphragm；301, lug；31, upper diffusion sheet；32, brightening piece；33, lower diffusion sheet；
4, reflector plate；5, light guide plate；6, glue frame.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Fig. 1 is the cross-sectional view of backlight module provided in this embodiment；Fig. 2 is the vertical view of backlight module provided in this embodiment
Figure.As depicted in figs. 1 and 2, a kind of backlight module is present embodiments provided, which includes setting gradually from the bottom to top
Backboard 1, flexible circuit board 21, reflector plate 4, light guide plate 5 and optical diaphragm 3.Wherein, at least side of optical diaphragm 3 is provided with
Lug 301 offers location hole on lug 301.Flexible circuit board 21 is upward convex to be equipped with positioning column 211, and positioning column 211 is plugged on
In location hole.
By the way that positioning column 211 is arranged on flexible circuit board 21, and location hole, positioning column are offered on optical diaphragm 3
211 can not only realize the accurate assembling of optical diaphragm 3 with location hole cooperation, moreover it is possible to limit optical diaphragm 3 when being shaken
Displacement is generated, prevents bright line occur in the light-emitting surface of display device, improves user experience.
As depicted in figs. 1 and 2, backboard 1 includes bottom plate and side wall, and side wall bends inwards to form lampshade 11, open on lampshade 11
Equipped with notch, in two indentation, theres, convex is set there are two fixed ear 12 lampshade 11 respectively, is offered in two fixed ears 12
The part-structure of lampshade 11 is turned down outward and forms notch and fixed ear 12 by through-hole 121, and notch is for accommodating lug 301 and determining
Position column 211 realizes the positioning of optical diaphragm 3, and fixed ear 12 is used for fixing printed circuit plate, can reduce the use of material, drops
Low production cost.Optical diaphragm 3 and lampshade 11 are equipped with lug 301 parallel and close to the side convex of lampshade 11, and lug 301
In in notch.Notch is opened up in the position that lampshade 11 is provided with fixed ear 12, positioning column 211 and lug 301 are all in lampshade 11
In notch, the overall dimensions and structure of backlight module are not influenced.
Flexible circuit board 21 is electrically connected with LED light 22, and LED light 22 is between lampshade 11 and flexible circuit board 21, and position
In the incident side of light guide plate 5, in the present embodiment, LED light 22 is equipped with multiple, multiple intervals of LED light 22 setting, positioning column 211
It is located therein between two adjacent LED light 22, multiple LED light 22 are respectively positioned on 11 lower section of lampshade and are respectively positioned on entering for light guide plate 5
Light side.Multiple LED light 22 are all set in lampshade 11, the effect for preventing light leakage can be played, improve the light benefit of LED light 22
With rate.
In addition, in the present embodiment, along the axis direction of positioning column 211, the free end of positioning column 211 is no more than lampshade 11
Upper surface, avoid positioning column 211 stretch out lampshade 11, be not only convenient for that other structures are installed on lampshade 11, and can improve whole
Body aesthetics.
In addition, a lug 301 corresponds to a positioning column there are two notch, lug 301 and positioning column 211 be respectively provided with
211, and be both located in a notch.Two lugs 301 are located at optical diaphragm 3 close to lampshade 11 and are parallel to lampshade 11
The both ends of side are matched with two positioning columns 211 respectively, can be realized the double limitation to optical diaphragm 3, guarantee optical film
Piece 3 will not generate offset around a rotation of positioning column 211 when being shaken and lead to light leakage.Certainly in other embodiments
In, the number of notch, lug 301 and positioning column 211 can be configured according to actual needs.
As shown in Figure 1, side wall is connected to bottom plate side, three sides that bottom plate is not connected with side wall flip up to form side plate,
The first accommodating chamber is collectively formed in lampshade 11, side plate and bottom plate.Fig. 3 is the partial enlarged view in Fig. 2 at A, such as Fig. 2 and Fig. 3 institute
Show, which further includes glue frame 6, and glue frame 6 is arranged in the inside of the first accommodating chamber, and three of them side respectively with backboard 1
Side plate abut against, glue frame 6 and lampshade 11 form the second accommodating chamber, and reflector plate 4, light guide sheet 5 and optical diaphragm 3 are respectively positioned on second
In accommodating chamber.
In addition, in the present embodiment, there are four the settings of optical diaphragm 3, opened on the lug 301 on each optical diaphragm 3
Equipped with location hole, four optical diaphragms 3 are stacked on light guide plate 5, are followed successively by diffusion sheet 31, two from top to bottom and are added lustre to
Piece 32 and lower diffusion sheet 33.Two lugs 301 of lower diffusion sheet 33 are capable of reflecting light towards being coated on one side for light guide plate 5
White paint layer, the reflection to light can be enhanced, so that by the light of not the entering into light guide plate 5 of issuing of LED light 22 by anti-
It penetrates and enters in light guide plate 5, improve the utilization rate of light.
The present embodiment additionally provides a kind of display device, including above-mentioned backlight module, can be realized the quick of optical diaphragm 3
Installation positioning, and can prevent optical diaphragm 3 from shifting when being shaken.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of backlight module, including set gradually from the bottom to top backboard (1), flexible circuit board (21), reflector plate (4), lead
Tabula rasa (5) and optical diaphragm (3), which is characterized in that at least side of the optical diaphragm (3) is provided with lug (301), institute
It states and offers location hole on lug (301), correspondence is convexly equipped with positioning column (211) flexible circuit board (21) upwards, described fixed
Position column (211) is plugged in the location hole.
2. backlight module according to claim 1, which is characterized in that the backboard (1) includes the bottom plate being connected and side
Wall, the side wall bend inwards the lampshade (11) to be formed above the backboard (1), flexible circuit board (21) electrical connection
Have LED light (22), the LED light (22) is located at described between the lampshade (11) and the flexible circuit board (21)
The incident side of light guide plate (5).
3. backlight module according to claim 2, which is characterized in that the LED light (22) is equipped with multiple and multiple described
The setting of LED light (22) interval, the positioning column (211) are located therein between two adjacent LED light (22).
4. backlight module according to claim 2, which is characterized in that opened up on the lampshade (11) it is jagged, it is described convex
Ear (301) is contained in the notch.
5. backlight module according to claim 4, which is characterized in that the axis direction along the positioning column (211), it is described
The free end of positioning column (211) is no more than the upper surface of the lampshade (11).
6. backlight module according to claim 4, which is characterized in that the lampshade (11) is in the outside projection of the indentation, there
Have fixed ear (12), the fixed ear (12) is fixed with printed circuit board.
7. backlight module according to claim 1, which is characterized in that the lug (301) and positioning column (211) are respectively provided with
There are two, each positioning column (211) is plugged into the location hole of the corresponding lug (301).
8. backlight module according to claim 1, which is characterized in that the lug (301) of the optical diaphragm (3)
Lower surface is coated with white paint layer.
9. backlight module according to claim 1, which is characterized in that the backlight module further includes glue frame (6), the glue
Frame (6) setting is arranged in the inside of the backboard (1) and is not provided with the week of the lug (301) in the optical diaphragm (3)
Side.
10. a kind of display device, which is characterized in that including the described in any item backlight modules of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722569.9U CN208834053U (en) | 2018-10-23 | 2018-10-23 | A kind of backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722569.9U CN208834053U (en) | 2018-10-23 | 2018-10-23 | A kind of backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834053U true CN208834053U (en) | 2019-05-07 |
Family
ID=66319487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821722569.9U Active CN208834053U (en) | 2018-10-23 | 2018-10-23 | A kind of backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834053U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838263A (en) * | 2019-11-20 | 2020-02-25 | 京东方科技集团股份有限公司 | Display device |
| CN113777831A (en) * | 2021-09-14 | 2021-12-10 | 武汉华星光电技术有限公司 | Display panel and electronic device |
| CN114355674A (en) * | 2022-01-13 | 2022-04-15 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2023000283A1 (en) * | 2021-07-23 | 2023-01-26 | 瑞仪(广州)光电子器件有限公司 | Backlight module and display apparatus |
| US11835749B2 (en) | 2020-01-20 | 2023-12-05 | Ordos Yuansheng Optoelectronics Co., Ltd. | Backlight and display device |
-
2018
- 2018-10-23 CN CN201821722569.9U patent/CN208834053U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838263A (en) * | 2019-11-20 | 2020-02-25 | 京东方科技集团股份有限公司 | Display device |
| US11835749B2 (en) | 2020-01-20 | 2023-12-05 | Ordos Yuansheng Optoelectronics Co., Ltd. | Backlight and display device |
| WO2023000283A1 (en) * | 2021-07-23 | 2023-01-26 | 瑞仪(广州)光电子器件有限公司 | Backlight module and display apparatus |
| CN113777831A (en) * | 2021-09-14 | 2021-12-10 | 武汉华星光电技术有限公司 | Display panel and electronic device |
| CN114355674A (en) * | 2022-01-13 | 2022-04-15 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2023133918A1 (en) * | 2022-01-13 | 2023-07-20 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208834053U (en) | A kind of backlight module and display device | |
| US8687142B2 (en) | Backlight unit comprising a bottom cover including an embossing portion that overlaps with a portion of an LED package and liquid crystal display using the same | |
| CN105842919A (en) | Backlight unit, display module and display equipment | |
| CN203455561U (en) | Reflector plate, backlight module and display device | |
| US10707289B2 (en) | Flexible display panel and flexible display | |
| CN103090271A (en) | Novel straight down type backlight module and liquid crystal display television (LCD TV) | |
| EP3825761A1 (en) | Display device | |
| JP2018505529A (en) | Backlight module and liquid crystal display device | |
| CN202361206U (en) | Backlight module and liquid crystal display device | |
| CN101539258A (en) | Backlight unit and liquid crystal display device having the same | |
| CN208421464U (en) | A kind of backlight module and liquid crystal display die set | |
| TW201232095A (en) | Display device and backlight module thereof | |
| CN108828819A (en) | A kind of display module and display equipment | |
| CN105116605A (en) | Backlight module and LCD | |
| CN105807487A (en) | Backlight module and display device | |
| CN105511163A (en) | Backlight module and display screen | |
| JP5728066B2 (en) | Backlight unit | |
| CN103162161B (en) | Backlight module and liquid crystal display device | |
| CN207601458U (en) | A kind of display module | |
| CN207663188U (en) | A kind of back light source structure | |
| CN202361187U (en) | Structure of rubber frame LED (light emitting diode) outlet of backlight | |
| CN202889505U (en) | Narrow-frame liquid crystal display television frame structure device | |
| CN207555362U (en) | A kind of ultra-narrow frame backlight module | |
| CN204362191U (en) | LED display and LED television | |
| CN213958479U (en) | Large screen interactive blackboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee after: Kunshan Longteng Au Optronics Co Address before: 215301 No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou Patentee before: Kunshan Longteng Optronics Co., Ltd. |