CN110596955B - Liquid crystal display device, backlight module and preparation method of backlight module - Google Patents
Liquid crystal display device, backlight module and preparation method of backlight module Download PDFInfo
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- CN110596955B CN110596955B CN201910913942.1A CN201910913942A CN110596955B CN 110596955 B CN110596955 B CN 110596955B CN 201910913942 A CN201910913942 A CN 201910913942A CN 110596955 B CN110596955 B CN 110596955B
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- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Planar Illumination Modules (AREA)
Abstract
The backlight module comprises a frame body and an optical diaphragm group arranged in the frame body, wherein the optical diaphragm group comprises a plurality of optical diaphragms which are arranged in a stacked mode, each optical diaphragm is provided with a lug, a containing groove used for containing the lug is formed in the frame body, a first groove is formed in the containing groove, fixing glue with thermal deformation performance is filled in the first groove, and each lug is fixed in the containing groove through the fixing glue. The liquid crystal display device comprises a display panel and the backlight module. The application discloses backlight unit can guarantee the vibratility requirement of each optical film piece, when each optical film piece is heated and takes place the inflation, can avoid each optical film piece to receive the extrusion and take place deformation or fold simultaneously.
Description
Technical Field
The application relates to the technical field of display devices, in particular to a liquid crystal display device, a backlight module and a preparation method of the backlight module.
Background
With the gradual popularization of the liquid crystal display technology, the backlight module industry has also been rapidly developed under the drive of the liquid crystal display industry. The backlight module mainly includes a direct type backlight module and a side type backlight module, and the thinning characteristic of the side type backlight module is more and more favored by consumers and gradually becomes a mainstream product of the backlight module.
For liquid crystal display products in some special application occasions, the backlight module is required to have high reliability while the liquid crystal display products are required to be thinned, and the backlight module is required to meet high-strength test environments such as vibration, high temperature, high humidity and the like. For the side-in type backlight module, the thermal expansion performance of the light guide plate and the optical film material and the vibration friction between the light guide plate and the optical film material are in a contradictory opposite state, in order to increase the vibration resistance, the light guide plate and the optical film material need to be fixed as much as possible, but complete fixation may cause deformation or wrinkle of the optical film material after being heated.
Disclosure of Invention
In order to solve the problem that the optical film material is completely fixed and can lead to the optical film material to be deformed or folded after being heated, the application provides a liquid crystal display device and a backlight module.
In order to achieve the purpose, the technical scheme of the application is as follows: the utility model provides a backlight module, includes the framework and locates optical film group in the framework, optical film group is including a plurality of optical films that range upon range of setting, every optical film all is provided with the lug, be equipped with in the framework and be used for holding the storage tank of lug, be equipped with first slot in the storage tank, be filled with the fixed glue that has the thermal deformation performance in the first slot, every the lug passes through the fixed glue is fixed in the storage tank.
Optionally, a plurality of stepped steps are arranged in the accommodating groove along the length direction of the accommodating groove, and each lug is located on the corresponding step.
Optionally, the first groove is arranged along the length direction of the accommodating groove, and the edge of each lug protrudes out of the step where the lug is located and extends into the upper portion of the first groove.
Optionally, the first groove is formed between a first groove wall of the accommodating groove along the length direction of the accommodating groove and a side surface of each step, and the fixing glue is filled between the edge of each lug and the first groove wall of the accommodating groove.
Optionally, a second groove for accommodating the fixing glue overflowing from the first groove when the fixing glue is not cured is further disposed in the accommodating groove, and the second groove is closer to a central region of the inner side of the frame body than the first groove.
Optionally, the second groove is arranged parallel to the first groove.
Optionally, a positioning column is arranged in the accommodating groove, and each protruding lug is provided with a clamping groove matched with the positioning column so as to limit the movement of each optical film.
Optionally, a plurality of stepped steps are arranged in the accommodating groove along the length direction of the accommodating groove, and each lug is located on the corresponding step; the positioning column is located in the middle of the accommodating groove and arranged on the lowest first step, a plurality of stepped steps are connected to two sides of each first step, and the height of one step far away from the positioning column in two adjacent steps is larger than that of the other step.
Optionally, each step is provided with a positioning column, and each lug is provided with a clamping groove matched with the positioning column on the step where the lug is located.
Optionally, the fixing glue comprises silicone.
Another technical solution of the present application provides a liquid crystal display device, including a display panel and any of the backlight modules.
Another technical solution of the present application provides a method of manufacturing the backlight module, including:
placing each optical film in the frame, and enabling the lug of each optical film to be located in the accommodating groove;
injecting the fixing glue into the first groove;
and curing the fixing glue so as to fix the lug of each optical film.
Has the advantages that:
the utility model provides a backlight unit fixes the lug of each optical film in the storage tank of framework through the fixed glue that has thermal deformation performance, thus, on the one hand, each optical film has realized fixedly through the fixed glue, can guarantee the anti vibration nature requirement, on the other hand has thermal deformation performance (the fixed glue has the elastic deformation ability after being heated) owing to the fixed glue, thereby certain cushioning effect has been played after being heated, when the optical film is heated and takes place the inflation, the fixed glue can produce deformation displacement along with the optical film together, make the optical film have certain expansion space, thereby avoid the optical film to receive the extrusion and take place deformation or fold, thereby can satisfy the experimental environmental requirements such as vibration and high temperature and high humidity of high strength.
Drawings
The accompanying drawings are included to provide a further understanding of the claimed subject matter and are incorporated in and constitute a part of this specification, illustrate embodiments of the subject matter and together with the description serve to explain the principles of the subject matter and not to limit the subject matter.
Fig. 1 is a schematic structural view of a frame body of a backlight module according to an embodiment of the present application, where an accommodating groove is formed;
fig. 2 is a partially enlarged schematic view of the accommodating groove of the frame body in fig. 1;
FIG. 3 is a top view of the frame body of FIG. 2 at a receiving groove;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is an exploded view of the frame and optical film set of FIG. 1;
FIG. 6 is a partially enlarged view of the receptacle portion of the frame and the lug portion of each optical film in FIG. 5;
FIG. 7 is a cross-sectional view of the accommodating groove of FIG. 5 after the frame and the optical film set are assembled;
FIG. 8 is a schematic structural view of the accommodating groove of FIG. 5 after the frame and the optical film set are assembled;
FIG. 9 is another cross-sectional view of the frame and the set of optical films in FIG. 5 at the receiving groove after being assembled;
fig. 10 is a schematic perspective view of a frame of a backlight module according to another embodiment of the present application;
FIG. 11 is an enlarged view of a portion of FIG. 10 at A;
FIG. 12 is a schematic structural view of the frame and the optical film set of FIG. 10 after assembly;
Fig. 13 is a top view of the accommodating groove of fig. 12;
the reference signs are:
1. a frame body which is provided with a plurality of grooves,
11. a receiving groove 111, a first groove wall 112, a second groove wall 113, a third groove wall,
12. a first step, 121, a first positioning post,
13. a second step, 131, a second positioning post,
14. a third step 141, a third positioning post,
15. a fourth step, 151, a fourth positioning post,
16. a first groove 17, a second groove 18, a positioning column 19 and a transition surface;
2. an optical film assembly comprising a plurality of optical films,
21. a first optical film 211, a first lug 2110, a first card slot,
22. a second optical diaphragm, 221, a second lug, 2210, a second card slot,
23. a third optical iris, 231, a third lug, 2310, a third card slot,
24. a fourth optical film 241, a fourth lug 2410, and a fourth card slot.
Detailed Description
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application.
Referring to fig. 1 to 13, the present embodiment provides a backlight module, including a frame 1 and an optical film set 2 disposed in the frame 1, where the optical film set 2 includes a plurality of optical films stacked in layers; each optical film is provided with a lug, a containing groove 11 for containing the lug is arranged on the frame body 1, a first groove 16 is arranged in the containing groove 11, fixing glue with thermal deformation performance is filled in the first groove 16, and each lug is fixed in the containing groove 11 through the fixing glue.
The utility model provides a backlight unit fixes the lug of each optical film in storage tank 11 of framework 1 through the fixed glue that has heat altered performance, thus, on the one hand, each optical film has realized fixedly through the fixed glue, can guarantee the anti-vibration requirement, on the other hand has heat altered performance (the fixed glue has elastic deformation ability after being heated) owing to the fixed glue, thereby certain cushioning effect has been played after being heated, when the optical film is heated and takes place the inflation, the fixed glue can produce deformation displacement along with the optical film together, make the optical film have certain expansion space, thereby avoid the optical film to receive the extrusion and take place deformation or fold, thereby can satisfy high strength's vibration and high temperature and high humidity test environmental requirement.
Referring to fig. 5 and 6, the optical film set 2 exemplarily includes four optical films, namely a first optical film 21, a second optical film 22, a third optical film 23, and a fourth optical film 24, which are stacked in sequence from bottom to top. A first protruding lug 211 is disposed on one side of the first optical film 21, a second protruding lug 221 is disposed on one side of the second optical film 22, a third protruding lug 231 is disposed on one side of the third optical film 23, and a fourth protruding lug 241 is disposed on one side of the fourth optical film 24.
Referring to fig. 1 to 5, the frame body 1 may be a rubber frame of a backlight module, the frame body 1 may be a rectangular frame, and includes four frame edges enclosing a rectangle, and the accommodating groove 11 is located on the frame edges of the frame body 1. The accommodating groove 11 is rectangular and arranged along the length direction of the frame edge, and includes a first groove wall 111 along the length direction of the accommodating groove 11, and a second groove wall 112 and a third groove wall 113 oppositely arranged along the width direction of the accommodating groove 11. The position of the accommodating groove 11 opposite to the first groove wall 111 is open, so that the inner region of the accommodating groove 11 and the inner region of the frame 1 are connected into a single region, the inner region of the frame 1 accommodates the main body of each optical film, and the lug part of each optical film is accommodated in the accommodating groove 11.
Referring to fig. 1 to 4, the first groove 16 is disposed on the bottom surface of the accommodating groove 11, the first groove 16 is disposed along the length direction of the accommodating groove 11, and two ends of the first groove 16 in the length direction may respectively extend to the second groove wall 112 and the third groove wall 113 of the accommodating groove 11. The first groove 16 is disposed at the first groove wall 111 of the accommodating groove 11, and the first groove wall 111 of the accommodating groove 11 also serves as a groove wall in the length direction of the first groove 16. A portion of the bottom surface in the accommodating groove 11 protruding from the groove bottom of the first groove 16 forms a boss, and a side surface of the boss opposite to the first groove wall 111 of the accommodating groove 11 forms another groove wall in the longitudinal direction of the first groove 16. A plurality of stepped steps are arranged on the boss along the length direction of the accommodating groove 11, and each lug is positioned on the corresponding step. The top surfaces of the two steps at the two ends extend to the second groove wall 112 and the third groove wall 113 of the accommodating groove 11 respectively. In this embodiment, the optical film set 2 includes the above four optical films, and correspondingly, four steps in a step shape are disposed in the accommodating groove 11 along the length direction thereof, where the four steps are respectively a first step 12 accommodating the first protruding lug 211, a second step 13 accommodating the second protruding lug 221, a third step 14 accommodating the third protruding lug 231, and a fourth step 15 accommodating the fourth protruding lug 241. The top surfaces of the four steps extend to the side surface of the boss opposite to the first groove wall 111 of the accommodating groove 11, so that the side surface of the boss opposite to the first groove wall 111 of the accommodating groove 11 is the side surface of the four steps. The height of each step may be set according to the thickness of the corresponding lug.
Referring to fig. 7, the edges of the four lugs may protrude from the step on which they are located and extend above the first groove 16, and a certain distance may be provided between the edge of each lug and the first groove wall 111 of the receiving groove 11, and the distance may be equal for each lug. Thus, the fixing glue can be injected into the first groove 16 through the above-mentioned space, the fixing glue is also filled between the edge of each lug and the first groove wall 111 of the accommodating groove 11, and the fixing glue in the first groove 16 is fixed to the bottom surface and the edge side surface of the portion of the four lugs extending above the first groove 16 after being cured, thereby fixing each lug.
Referring to fig. 2 and 9, among the plurality of steps (in this embodiment, the four steps) in the accommodation groove 11, a connection surface between two adjacent steps (i.e., a surface connecting top surfaces of two adjacent steps) is referred to as a transition surface 19, and the transition surface 19 may limit an edge of the lug. A certain gap is formed between the edge of each lug and the transition surface 19 of the step where the lug is located and the adjacent step, or between the edge of each lug and the second groove wall 112 or the third groove wall 113 of the accommodating groove 11, so that the fixing glue injected into the first groove 16 can flow into the gap before curing, the periphery of the edge of each lug is filled with the fixing glue, and after the fixing glue is cured, the periphery of each lug is surrounded and fixed by the fixing glue without contacting with the frame body 1, and the fixing and buffering effects of the fixing glue on each lug are further improved.
Referring to fig. 1 to 4 and 7, a second groove 17 for accommodating the fixing adhesive overflowing from the first groove 16 when the fixing adhesive is not cured may be further disposed in the accommodating groove 11, and the second groove 17 is closer to a central region of the inner side of the frame 1 than the first groove 16. Wherein a second groove 17 may be provided on said lands and arranged parallel to said first groove 16. Because the fixing glue has certain fluidity when not cured, if the fixing glue dripped into the first groove 16 is too much and overflows, the fixing glue can flow into the second groove 17, so that the redundant fixing glue can not enter the area where the main body part of each optical membrane is located, and the display area of the backlight module can not be polluted. In order to ensure the reliability of fixing each lug by adopting fixing glue, a plurality of grooves can be designed under the condition that space allows, the grooves close to the edge of the frame body 1 are ensured to inject the fixing glue when the fixing glue is injected, and the grooves close to the display area of the backlight module are not glued for storing redundant fixing glue.
In order to further limit each optical diaphragm, a positioning column may be disposed in the accommodating groove 11, and each protruding lug is provided with a clamping groove matched with the positioning column to limit the movement of each optical diaphragm. Wherein, the quantity of reference column can be one or more, and different lugs can adopt same reference column to carry on spacingly, also can adopt different reference columns to carry on spacingly.
Referring to fig. 1 to 9, in an exemplary embodiment, a positioning column 18 is disposed in the accommodating groove 11, the positioning column 18 is located in the middle of the accommodating groove 11 (that is, the positioning column 18 has a certain distance from the first groove wall 111, the second groove wall 112, and the third groove wall 113 of the accommodating groove 11) and is disposed on the lowest first step 12, two sides of the first step 12 (that is, two sides of the first step 12 along the length direction of the accommodating groove 11) are both connected with a plurality of step-shaped steps, and the height of one step far away from the positioning column 18 in two adjacent steps is greater than the height of the other step. For example, one side of the first step 12 is connected with a second step 13, and the height of the second step 13 is greater than that of the first step 12; the other side of the first step 12 is connected with a third step 14 and a fourth step 15 in sequence, the height of the fourth step 15 is larger than that of the third step 14, and the height of the third step 14 is larger than that of the second step 13. Thus, the first lug 211 is located on the top surface of the first step 12, the second lug 221 is located on the top surface of the second step 13 and the first lug 211, and a portion of the second lug 221 overlaps the first lug 211; the third lug 231 is located on the top surface of the third step 14, the fourth lug 241 is located on the top surfaces of the fourth step 15 and the third lug 231, and a portion of the fourth lug 241 overlaps the third lug 231. The first lug 211 is provided with a first slot 2110, the second lug 221 is provided with a second slot 2210, the third lug 231 is provided with a third slot 2310, and the fourth lug 241 is provided with a fourth slot 2410. The first card slot 2110, the second card slot 2210, the third card slot 2310 and the fourth card slot 2410 are vertically corresponding and are fastened with the positioning column 18.
The positioning post 18 may be located at an end of the first step 12 close to the third step 14, and a certain gap may be formed between the positioning post and the third step 14, so that the fixing glue injected into the first groove 16 may flow into the gap before curing, and the fixing glue may be adhered to the bottom surface of the third protrusion 231 located above the gap after curing, thereby further improving the fixing and buffering effects.
In other embodiments, the positioning column may be located at one end of the length direction of the accommodating groove 11, and is disposed on the lowest first step, one side of the first step is sequentially connected to a plurality of stepped steps along the length direction of the accommodating groove 11, and the height of one step far away from the positioning column in two adjacent steps is greater than the height of the other step. For example, the first step, the second step, the third step and the fourth step are sequentially connected, then the first lug, the second lug, the third lug and the fourth lug are sequentially and partially overlapped from bottom to top, and the four clamping grooves of the four lugs correspond to each other in the vertical position and are all clamped with the positioning columns.
In another exemplary embodiment, a plurality of steps in a step shape are arranged in the accommodating groove 11 along the length direction thereof, and each lug is located on the corresponding step; each step is provided with a positioning column, and each lug is provided with a clamping groove matched with the positioning column on the step where the lug is located. The number of the positioning columns on each step can be one or more, and correspondingly, each lug is provided with a corresponding number of clamping grooves. The lugs of all the optical films are arranged in a staggered mode, and can be not overlapped or partially overlapped. In this embodiment, each lug is limited by a different positioning column.
Referring to fig. 10-13, as an embodiment, four lugs are respectively disposed on four steps, a first positioning column 121 is disposed on the first step 12, a second positioning column 131 is disposed on the second step 13, a third positioning column 141 is disposed on the third step 14, and a fourth positioning column 151 is disposed on the fourth step 15. The first lug 211, the second lug 221, the third lug 231, the fourth lug 241 are completely staggered, i.e. do not overlap. The first engaging groove 2110 of the first protrusion 211 is engaged with the first positioning post 121, the second engaging groove 2210 of the second protrusion 221 is engaged with the second positioning post 131, the third engaging groove 2310 of the third protrusion 231 is engaged with the third positioning post 141, and the fourth engaging groove 2410 of the fourth protrusion 241 is engaged with the fourth positioning post 151. In this embodiment, the fixing of each lug does not interfere.
In the above embodiments of the positioning pillars, a certain gap may be provided between each of the clamping grooves and the corresponding positioning pillar, the fixing glue injected into the first groove 16 may flow into the gap before curing, and after curing, each of the clamping grooves and the corresponding positioning pillar may be bonded and fixed, so as to improve the fixing and buffering effects of each of the lugs.
In the above embodiment, the fixing adhesive may be a fixing adhesive with thermal performance similar to that of each optical film after being cured, and may be, for example, a silicone adhesive.
In the above embodiment, the optical film set 2 is described by taking four optical films as an example, but in other embodiments, the number of the optical films in the optical film set 2 may be changed as needed, and is not limited.
In the above embodiment, each optical film of the optical film group 2 may be assembled into the frame 1, and the lug of each optical film is located in the accommodating groove 11; in the assembling process, the clamping groove of the lug of each optical film is matched with the corresponding positioning column in the accommodating groove 11. Then evenly drip into the fixed glue in the first slot 16, then solidify according to the solidification mode of required fixed glue, be about to the lug of each optical film fixed after the fixed glue solidification, convenient operation, and fixed reliable.
Another embodiment of the present application further provides a liquid crystal display device, which includes a display panel and the backlight module according to any of the above embodiments.
In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "top", "inner", "outer", "axial", "four corners", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for simplifying the description of the embodiments of the present application, and do not indicate or imply that the structures referred to have a specific orientation, are configured and operated in a specific orientation, and thus, cannot be construed as limiting the present application.
In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening elements, or may be connected through the interconnection between two elements. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
Claims (11)
1. The utility model provides a backlight module, includes the framework and locates optical film group in the framework, optical film group is including the optical film of a plurality of range upon range of settings, its characterized in that:
each optical film is provided with a lug, a containing groove for containing the lug is arranged on the frame body, a first groove is arranged in the containing groove, fixing glue with thermal deformation performance is filled in the first groove, and each lug is fixed in the containing groove through the fixing glue;
a plurality of stepped steps are arranged in the accommodating groove along the length direction of the accommodating groove, and each lug is positioned on the corresponding step.
2. The backlight module of claim 1, wherein: the first grooves are arranged along the length direction of the accommodating groove, and the edge of each lug protrudes out of the step where the lug is located and extends into the upper portion of the first groove.
3. The backlight module of claim 2, wherein: the first groove is formed between a first groove wall of the accommodating groove along the length direction of the accommodating groove and the side surface of each step, and the fixing glue is filled between the edge of each lug and the first groove wall of the accommodating groove.
4. The backlight module of claim 1, wherein: the accommodating groove is also internally provided with a second groove for accommodating the fixing glue overflowing from the first groove when the fixing glue is not cured, and the second groove is close to the central area of the inner side of the frame body compared with the first groove.
5. The backlight module of claim 4, wherein: the second groove is arranged parallel to the first groove.
6. The backlight module according to any of claims 1-5, wherein: and positioning columns are arranged in the accommodating grooves, and each lug is provided with a clamping groove matched with the positioning column so as to limit each optical diaphragm to move.
7. The backlight module of claim 6, wherein: the positioning column is located in the middle of the accommodating groove and arranged on the lowest first step, a plurality of stepped steps are connected to two sides of each first step, and the height of one step far away from the positioning column in two adjacent steps is larger than that of the other step.
8. The backlight module of claim 1, wherein: each step is provided with a positioning column, and each lug is provided with a clamping groove matched with the positioning column on the step where the lug is located.
9. The backlight module of claim 1, wherein: the fixing glue comprises silica gel.
10. A liquid crystal display device, characterized in that: comprising a display panel and a backlight module according to any of claims 1-9.
11. A method of making a backlight module according to claim 1, wherein: the method comprises the following steps:
placing each optical film in the frame, and enabling the lug of each optical film to be located on the corresponding step in the accommodating groove;
injecting the fixing glue into the first groove;
and curing the fixing glue so as to fix the lug of each optical film.
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| CN201910913942.1A CN110596955B (en) | 2019-09-25 | 2019-09-25 | Liquid crystal display device, backlight module and preparation method of backlight module |
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| CN201910913942.1A CN110596955B (en) | 2019-09-25 | 2019-09-25 | Liquid crystal display device, backlight module and preparation method of backlight module |
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| CN112947785B (en) * | 2021-02-08 | 2022-11-25 | 武汉华星光电技术有限公司 | Touch display device and backlight module thereof |
| CN113156709A (en) * | 2021-05-18 | 2021-07-23 | 北京京东方显示技术有限公司 | Backlight module and display device |
| CN115494670B (en) * | 2022-09-06 | 2024-05-07 | 京东方科技集团股份有限公司 | Backlight module and display device |
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| CN201547686U (en) * | 2009-11-16 | 2010-08-11 | 京东方科技集团股份有限公司 | Optical film layer, backlight module and liquid crystal display |
| CN101876412A (en) * | 2009-12-16 | 2010-11-03 | 友达光电(厦门)有限公司 | Display device and back light module thereof |
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| CN104806929B (en) * | 2015-04-14 | 2017-08-04 | 武汉华星光电技术有限公司 | Backlight module optical film location structure, backlight module and display |
| CN205301764U (en) * | 2016-01-11 | 2016-06-08 | 合肥京东方光电科技有限公司 | Backlight module and display device |
| CN105717707B (en) * | 2016-04-28 | 2019-06-28 | 鄂尔多斯市源盛光电有限责任公司 | A kind of backlight module and liquid crystal display device |
| CN107688256B (en) * | 2017-10-26 | 2020-11-06 | 业成科技（成都）有限公司 | Liquid crystal display device and backlight module thereof |
| CN208722491U (en) * | 2018-09-13 | 2019-04-09 | 昆山龙腾光电有限公司 | A kind of film fixing structure and backlight module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547686U (en) * | 2009-11-16 | 2010-08-11 | 京东方科技集团股份有限公司 | Optical film layer, backlight module and liquid crystal display |
| CN101876412A (en) * | 2009-12-16 | 2010-11-03 | 友达光电(厦门)有限公司 | Display device and back light module thereof |
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