CN204044467U - Center, side entering type liquid crystal module and liquid crystal indicator - Google Patents
Center, side entering type liquid crystal module and liquid crystal indicator Download PDFInfo
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- CN204044467U CN204044467U CN201420472756.1U CN201420472756U CN204044467U CN 204044467 U CN204044467 U CN 204044467U CN 201420472756 U CN201420472756 U CN 201420472756U CN 204044467 U CN204044467 U CN 204044467U
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- center
- liquid crystal
- light guide
- guide plate
- lamp bar
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Abstract
The utility model discloses a kind of center of liquid crystal module, for assembling with the lamp bar and light guide plate of liquid crystal module, described center is rectangle frame, limiting section is provided with inside the turning of this center, described lamp bar is arranged on and embeds between two adjacent described limiting sections on backboard, again, described light guide plate is arranged in described center, and after described lamp bar and light guide plate and center have assembled, described light guide plate offsets towards the side of lamp bar and described limiting section and and has gap between described lamp bar.Side entering type liquid crystal module assembling of the present utility model is more convenient, and directly utilize the limiting unit of center to limit light guide plate and answer back to lamp bar because of dilatational strain, without the need to assembling other auxiliary material element, cost obviously reduces; And this limiting unit can in company with center by technique one-shot formings such as injection moulding, reverse mould or punching presses; Meanwhile, assembling makes whole module seem compacter like this, and optical effect also can make moderate progress.The invention also discloses a kind of liquid crystal indicator comprising above-mentioned side entering type liquid crystal module.
Description
Technical field
The utility model relates to field of liquid crystal display, particularly relates to center, side entering type liquid crystal module and liquid crystal indicator.
Background technology
Along with growth in the living standard, the requirement of people to liquid crystal indicator also improves thereupon, and it is more and more thinner that the thickness of liquid crystal indicator is designed, and the easy like this light guide plate that causes expands and answers back to lamp bar.
The method preventing light guide plate expansion from answering back to lamp bar in current liquid crystal module mainly contains:
1, by the overexpansion of assembling stop choker block restriction light guide plate.With reference to the assembling schematic diagram that figure 1, Fig. 1 is stop plug and liquid crystal module in prior art.Lamp bar 20' in figure is that side entering type places (LED is vertically arranged on pcb board), first lamp bar 20' is fixed on module backboard 40' during assembling, again by light guide plate 30' horizontal positioned in backboard 40', now there is portion gap between light guide plate 30' and lamp bar 20', this gap can not be too large, prevent light guide plate 30' from rocking, but too smallly easily answer back to LED 20', therefore be necessary, at the moderate stop choker block 70' of its edge assembling hardness, to prevent the bad LED 20' in light guide plate 30' overexpansion top with this.Wherein, the specification needs of stop plug choker block 70' are determined according to gap reserved between the size of module and lamp bar 20' and light guide plate 30', the existence of this type of auxiliary material adds the overall cost of module, and stop choker block 70' generally is PC material, this type of macromolecule product is at high temperature easily aging, receives serviceable life and greatly limits.Meanwhile, need to regulate the hardness of stop choker block 70' according to the condition of module integral heat sink system and the thermal expansivity of unlike material light guide plate 30', the selection therefore for choker block becomes a difficult problem.
2, by using the same limit light guide plate overexpansion of riveting post location light guide plate to answer back to lamp bar.With reference to the assembling schematic diagram that figure 2, Fig. 2 is riveting post and liquid crystal module in prior art.Lamp bar 20 in figure " is placed as common horizontal mode, can directly " be seated according to tacking post 80 during assembling.Due to riveting post 80 " for metal stainless steel material hardness is larger; substantially there is no elasticity; light guide plate 30 " when expanding riveting post 80 " " causes it that local deformation occurs easily in indentation, there top bad light guide plate 30, there is after final assembly riveting post 80 " position easily there is shadow, and light guide plate 30 " needs to arrange the corresponding increase of its production cost of breach.
3, limit light guide plate by the mode of side chain screw and answer back to lamp bar.Screw when using side chain screw restriction light guide plate to expand during the spacing light guide plate of riveting post is utilized to need special, its screw head needs to be designed to smooth arc-shaped can not for common pointed screw, prevent screw from damaging light guide plate, this just must increase the processing cost of special screw, and for more difficult during thinner module side lock screw, ultra-thin ultra-narrow module the method is not easily used.
Several structure all employ the device of auxiliary stopper above, and this just needs the cost of corresponding its auxiliary material of increase, so consider safety and reliability and its production cost of use, and above several limit method all existing defects thus need to be eliminated.
Foregoing only understands the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
The technical matters that fundamental purpose of the present utility model is to solve light guide plate expanded by heating and answers back to lamp bar.
For achieving the above object, the utility model provides a kind of center, for assembling with the lamp bar and light guide plate of liquid crystal module, described center is rectangle frame, be provided with limiting section inside the turning of this center, described lamp bar is arranged on backboard, again and embeds between two adjacent described limiting sections, and described light guide plate is arranged in described center, after described lamp bar and light guide plate and center have assembled, described light guide plate has offseted towards the side of lamp bar and described limiting section and and has had gap between described lamp bar.
Preferably, described limiting section is rectangular parallelepiped, square or prismatoid, and described limiting section comprises towards the first surface of described lamp bar and the second surface towards described light guide plate, and described first surface is vertical with described second surface.
Preferably, the ledge structure for assembling liquid crystal module dorsulum is provided with inside described center.
Preferably, the turning of described center upwards extends to form the holding section for assembling along the direction deviating from described limiting section, described holding section is provided with groove.
Preferably, described center is formed in one structure.
In addition, for achieving the above object, the utility model also provides a kind of side entering type liquid crystal module, comprise backboard, light guide plate, lamp bar and blooming piece, described side entering type liquid crystal module also comprises above-mentioned center, and described lamp bar is arranged on described backboard, and described backboard is connected with described center, described light guide plate is arranged between described center and described backboard, and described blooming piece is arranged between described light guide plate and described backboard.
In addition, for achieving the above object, the utility model also provides a kind of liquid crystal indicator, comprises above-mentioned side entering type liquid crystal module.
Side entering type liquid crystal module assembling of the present utility model is more convenient, and directly utilize the limiting unit of center to limit light guide plate and answer back to lamp bar because of dilatational strain, without the need to assembling other auxiliary material element, cost obviously reduces; And this limiting unit can in company with center by technique one-shot formings such as injection moulding, reverse mould or punching presses; Meanwhile, assembling makes whole module seem compacter like this, and optical effect also can make moderate progress.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of stop plug and liquid crystal module in prior art;
Fig. 2 is the assembling schematic diagram of riveting post and liquid crystal module in prior art;
Fig. 3 is the structural representation of the utility model center one embodiment;
Fig. 4 is the assembling schematic diagram of the utility model side entering type liquid crystal module one embodiment;
Fig. 5 is the structural representation of the utility model side entering type liquid crystal module one embodiment.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, in description of the present utility model, term " on ", D score, "front", "rear", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, it is not the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
The utility model provides a kind of center, is the structural representation of the utility model center one embodiment with reference to figure 3 to Fig. 5, Fig. 3.
In the preferred embodiment, this center 10 is for assembling with the lamp bar 20 and light guide plate 30 of liquid crystal module, described center 10 is rectangle frame, limiting section 11 is provided with inside the turning of this center 10, described lamp bar 20 is arranged on and embeds between two adjacent described limiting sections 11 on backboard, again, described light guide plate 30 is arranged in described center 10, after described lamp bar 20 and light guide plate 30 have been assembled with center 10, described light guide plate 30 has offseted towards the side of lamp bar 20 and described limiting section 11 and and has had gap between described lamp bar 20.
Particularly, center 10 is rectangle frame, has four turnings, and this turning can be right angle can be also fillet, specifically can arrange according to the shape and size of liquid crystal module.In order to assemble with the miscellaneous part (backboard 40, light guide plate 30, lamp bar 20, pcb board 60 etc.) of liquid crystal module, center 10 is set to stepped, and limiting section 11 is arranged on bottom the turning of center 10.This center 10 is applicable to liquid crystal module, and limiting section 11 answers back to lamp bar 20 for limiting light guide plate 30 expanded by heating.Lamp bar 20 is arranged between two-phase limiting section 11, and light guide plate 30 is arranged in center 10, and after lamp bar 20 and light guide plate 30 have been assembled with center 10, light guide plate 30 offsets towards the side of lamp bar 20 and limiting section 11 and and has gap between lamp bar 20.
In order to ensure center 10 overall performance and in spacing process limiting section 11 not damaged, its material can select the material with some strength and hardness, does not limit at this.The material of center 10 is preferably PC (plastics)+10%GF (glass dimension), and wherein PC material has some strength and elasticity, adds GF material and can gain in strength and hardness.
The utility model directly utilizes the limiting section 11 inside center 10 to limit light guide plate 30 to expand, without the need to assembling other auxiliary material element, effectively reducing cost; On center 10, increase limiting section 11 be also convenient to produce and assembling simultaneously.
Further, described limiting section 11 is rectangular parallelepiped, square or prismatoid, described limiting section 11 comprises towards the first surface 111 of described lamp bar 20 and the second surface 112 towards described light guide plate 30, and described first surface 111 is vertical with described second surface 112.In the utility model, limiting section 11 can be arbitrary shape, can be rectangular parallelepiped, square or prismatoid; Also can be set to boss structure, boss can be cylinder boss, rectangular boss; Certainly can also be irregularly shaped.Preferably, limiting section 11 is rectangular parallelepiped, square or prismatoid, and such limiting section 11 smooth surface is smooth, Stability Analysis of Structures, is convenient to produce and assembling, also can not the parts such as scratch lamp bar 20 and light guide plate 30 after assembling.Meanwhile, because be rule body, can be one-body molded by techniques such as injection moulding, reverse mould or punching presses with center 10, like this can simplification of flowsheet, save production cost.
The effect of limiting section 11 prevents light guide plate 30 expanded by heating and answers back to lamp bar 20, so light guide plate 30 and lamp bar 20 are arranged on limiting section 11 two orthogonal sides respectively, and has gap between light guide plate 30 and lamp bar 20 after installing.If lamp bar 20 is directly contacted installation with light guide plate 30, centre does not arrange gap, and the heat that lamp bar 20 luminescence produces cannot dissipate, and light guide plate 30 will be heated always and produce comparatively large deformation, easily cause light guide plate 30 or limiting section 11 to be extruded damage.Meanwhile, lamp bar 20 needs to be connected with printed circuit board (PCB), and circuit board work also can produce heat, so in like manner need to arrange gap between light guide plate 30 and circuit board.Reserved gap length needs to arrange according to the concrete size of liquid crystal module, does not limit at this
It should be noted that, the number of the limiting section 11 in the utility model can do adaptability revision according to the number of lamp bar 20, and such as: when lamp bar 20 is one, limiting section 11 is two, and two limiting section 11 distributions are arranged on the two ends that center 10 is embedded with lamp bar 20 side; When lamp bar 20 is two, limiting section 11 is four, be i.e. equipped with a limiting section 11 inside four turnings of center 10.
At the utility model in a certain or all embodiments, inside described center 10, be provided with step 12 structure for assembling liquid crystal module dorsulum 40.Particularly, in order to assemble with the miscellaneous part (backboard 40, light guide plate 30, lamp bar 20, pcb board 60 etc.) of liquid crystal module, center 10 is set to stepped.Wherein the size of step 12 and the number of plies of step 12 all according to the specification relative set of liquid crystal module, can not limit at this.
At the utility model in a certain or all embodiments, the turning of described center 10 upwards extends to form the holding section 13 for assembling along the direction deviating from described limiting section 11, described holding section 13 is provided with groove 131.Center 10 needs and the miscellaneous part of liquid crystal module assembles, and arranging holding section 13 can so that assembling and dismounting.Preferably, center 10 extends to form the holding section 13 of L shape around the corner vertically upward, and the side thickness of holding section 13 difference forms groove 131, can save other fixed parts like this, make assembly structure compacter.
At the utility model in a certain or all embodiments, described center 10 is formed in one structure.It is one-body molded that center 10 of the present utility model can pass through the techniques such as injection moulding, reverse mould or punching press, and the making of limiting section 11 does not need to increase separately technological process yet, like this can be cost-saving, simultaneously the raising stability of structure.
The utility model provides a kind of side entering type liquid crystal module further, the structural representation that the assembling schematic diagram that reference Fig. 4 and Fig. 5, Fig. 4 are the utility model side entering type liquid crystal module one embodiment, Fig. 5 are the utility model side entering type liquid crystal module one embodiment.
In the preferred embodiment, this side entering type liquid crystal module, comprise backboard 40, light guide plate 30, lamp bar 20 and blooming piece 50, described side entering type liquid crystal module also comprises above-mentioned center 10, described lamp bar 20 is arranged on described backboard 40, described backboard 40 is connected with center 10, and described light guide plate 30 is arranged between described center 10 and described backboard 40, and described blooming piece 50 is arranged between described light guide plate 30 and described backboard 40.
First lamp bar 20 is fixed on backboard 40 during side entering type liquid crystal module assembling of the present utility model, avoids lamp bar 20 subsequently and center 10 is engaged to backboard 40 place, backboard 40 needs first place end reflector plate, then light guide plate 30 is assembled to above end reflector plate.Owing to being respectively provided with a limiting section 11 inside four turnings of this center 10, after assembling, light guide plate 30 edge directly contacts with limiting section 11, and makes to leave certain gap between lamp bar 20 and light guide plate 30 in lamp bar 20 luminous zone.Due to its center 10 material, there is certain degree of hardness after the limiting section 11 of center 10 withstands light guide plate 30 and elasticity can allow light guide plate 30 that less expansion occurs, better flexible restriction light guide plate 30 overexpansion can be reached like this and answer back to the object of lamp bar 20.
In the present embodiment, lamp bar 20 is LED lamp bar 20, adopts side entering type arrangement.LED lamp bar 20 has the various forms such as side entering type, flush system, and wherein side entering type goes for the liquid crystal module of ultra-thin ultra-narrow.The physical fit of this center 10, in side entering type module, can make assembly structure compacter, meets the ultra-thin trend of liquid crystal display.
The utility model provides a kind of liquid crystal indicator further, and this liquid crystal indicator can comprise technical schemes all in previous embodiment, and its detailed construction can refer to previous embodiment, does not repeat at this.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; 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 utility model.
Claims (7)
1. the center of a liquid crystal module, for assembling with the lamp bar and light guide plate of liquid crystal module, it is characterized in that, described center is rectangle frame, be provided with limiting section inside the turning of this center, described lamp bar is arranged on backboard, again and embeds between two adjacent described limiting sections, and described light guide plate is arranged in described center, after described lamp bar and light guide plate and center have assembled, described light guide plate has offseted towards the side of lamp bar and described limiting section and and has had gap between described lamp bar.
2. center as claimed in claim 1, it is characterized in that, described limiting section is rectangular parallelepiped, square or prismatoid, and described limiting section comprises towards the first surface of described lamp bar and the second surface towards described light guide plate, and described first surface is vertical with described second surface.
3. center as claimed in claim 1, is characterized in that, being provided with the ledge structure for assembling liquid crystal module dorsulum inside described center.
4. center as claimed in claim 3, is characterized in that, the turning of described center upwards extends to form the holding section for assembling along the direction deviating from described limiting section, described holding section is provided with groove.
5. the center as described in any one of Claims 1-4, is characterized in that, described center is formed in one structure.
6. a side entering type liquid crystal module, comprise backboard, light guide plate, lamp bar and blooming piece, it is characterized in that, described side entering type liquid crystal module also comprises the center as described in any one of claim 1 to 5, described lamp bar is arranged on described backboard, described backboard is connected with described center, and described light guide plate is arranged between described center and described backboard, and described blooming piece is arranged between described light guide plate and described backboard.
7. a liquid crystal indicator, is characterized in that, comprises side entering type liquid crystal module as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472756.1U CN204044467U (en) | 2014-08-19 | 2014-08-19 | Center, side entering type liquid crystal module and liquid crystal indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420472756.1U CN204044467U (en) | 2014-08-19 | 2014-08-19 | Center, side entering type liquid crystal module and liquid crystal indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044467U true CN204044467U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420472756.1U Expired - Fee Related CN204044467U (en) | 2014-08-19 | 2014-08-19 | Center, side entering type liquid crystal module and liquid crystal indicator |
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| CN (1) | CN204044467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822319A (en) * | 2019-10-17 | 2020-02-21 | 海洋王照明科技股份有限公司 | Flat lamp |
-
2014
- 2014-08-19 CN CN201420472756.1U patent/CN204044467U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110822319A (en) * | 2019-10-17 | 2020-02-21 | 海洋王照明科技股份有限公司 | Flat lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518057, Shiyan Road, Shiyan City, Guangdong, Baoan District Province on the 1st Road, SKYWORTH science and Technology Industrial Park R & D building, two or three, four floor and the first floor of the integrated building, Shenzhen Patentee after: SKYWORTH LCD MODULES (SHENZHEN) Co.,Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A block 13-16 Patentee before: SKYWORTH LCD MODULES (SHENZHEN) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |