CN201348698Y - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN201348698Y CN201348698Y CNU2008201817772U CN200820181777U CN201348698Y CN 201348698 Y CN201348698 Y CN 201348698Y CN U2008201817772 U CNU2008201817772 U CN U2008201817772U CN 200820181777 U CN200820181777 U CN 200820181777U CN 201348698 Y CN201348698 Y CN 201348698Y
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- CN
- China
- Prior art keywords
- liquid crystal
- lcd
- optical sheet
- glasses
- crystal indicator
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a liquid crystal display device, which comprises a liquid crystal screen glass combination, a plurality of optical sheets, a back shell and a mainboard module, wherein the liquid crystal screen glass combination comprises liquid crystal screen glass and a drive circuit board, and the side, which is adjacent to the optic sheets, of the liquid crystal screen glass is of an incident plane, and the utility model is characterized in that the liquid crystal screen glass and the optical sheets are pressed and fixed together; and an elastic cushion through which a clearance can be left between the liquid crystal screen glass and the optical sheets is arranged on the incident plane of the liquid crystal screen glass. The utility model can not only lead that a clearance is kept between the liquid crystal screen glass and the optical sheets, but also effectively prevent the liquid crystal screen glass from sliding through the friction force between the elastic cushion and the liquid crystal screen glass under the action of the pressure of a clamping member, thus substituting the middle frame in the prior art by simple members, and reducing the manufacturing cost and greatly simplifying the structure of the liquid crystal display device; at the same time, since the material characteristic of the elastic cushion can effectively absorb the external shock, the liquid crystal display device has the shockproof function.
Description
Technical field
The utility model relates to the electronic product field, particularly a kind of liquid crystal indicator.
Background technology
In recent years, liquid crystal indicator is used more and more extensivelyr, as display devices such as LCD, LCD TV, PC all-in-ones, no matter be to be applied to any product, no matter be to be applied to which field also, pursuing the volume lightweight, save the processing cost and the energy, all is the target that present modern product is pursued.At present, existing liquid crystal indicator mainly is by the face frame, liquid crystal display, mainboard module, metal support and back cover are formed, wherein, described liquid crystal display is mainly by preceding frame, the liquid-crystalline glasses module, center, optical sheet, light source, lampshade and backboard are formed, above-mentioned member is assembled after normally processing and being assembled into corresponding composite module again, thereby need the other parts such as center and backboard that increase to fix, make that the thickness of liquid crystal indicator is thicker usually, cost is higher, technology is more complicated also, and backboard is generally a metalwork, more makes liquid crystal indicator relatively heavier, do not meet the lightening day by day development trend of present LCD.In addition, owing to transportation with the reasons such as vibration in using, be easy to cause damage, thereby influence product quality glasses for LCD.
The utility model content
The purpose of this utility model is to provide a kind of liquid crystal indicator, is intended to solve that available liquid crystal display device processing cost is higher, the defective of overall weight weight, improves the anti-seismic performance of product simultaneously.
The utility model is to realize like this, a kind of liquid crystal indicator, comprise glasses for LCD group product, some optical sheets, back cover and mainboard assembly, described glasses for LCD group product comprise glasses for LCD and drive circuit board, and the face that described glasses for LCD and optical sheet are adjacent is an incidence surface, and described glasses for LCD and each optical sheet together are fixed, on the incidence surface of described glasses for LCD, be provided with and make the cushion that keeps a gap between glasses for LCD and the optical sheet.
Further, described glasses for LCD group product, the superimposed in regular turn arrangement of each optical sheet are by fixed or movable being snapped on the back cover behind adaptive with it clamping member clamping together.
The utility model also can comprise a frame, and described glasses for LCD group product, the superimposed in regular turn arrangement of each optical sheet by fixed or movable being snapped on the face frame behind adaptive with it clamping member clamping together, link to each other with back cover again.
Preferably, each optical sheet of described superimposed arrangement in regular turn is last diffusion sheet, brightening piece, following diffusion sheet, light guide plate and reflecting plate, and described first optical sheet is last diffusion sheet, and is adjacent with described glasses for LCD group product, it contains an exiting surface, and the back side of described exiting surface is incidence surface.
Described cushion places between the glasses for LCD and first optical sheet, or is arranged between glasses for LCD and the light guide plate.
Further, described cushion or be an annular or frame-shaped structure fits in around the exiting surface or light guide plate of first optical sheet; Or be at least two strip members that be arranged in parallel, fit in the exiting surface or the light guide plate both sides of first optical sheet.
Further, be provided with distance piece between described first optical sheet and other optical sheet, described distance piece or be at least one bar shaped member fits on the described first optical sheet incidence surface, or is a framing component, fits in around the first optical sheet incidence surface.
The clamping member that the utility model is used for clamping described glasses for LCD group product and each optical sheet is the combination of at least two strip members that can be connected with described back cover, or is framing component.
Further, described clamping member is four " L " shape bonding jumpers, and described bonding jumper is provided with the clamping part that can match with respective fixation structure on face frame or the back cover.
The utility model also can be provided with flexible cushion block between the optical sheet that described back cover is adjacent.
Be different from prior art, the utility model is provided with by the incidence surface at described glasses for LCD and makes the cushion that keeps a gap between glasses for LCD and the optical sheet, and described glasses for LCD is fixed in liquid crystal indicator with each optical sheet.Because can not only making, described cushion keeps a gap between liquid crystal display and the optical sheet, and can also be under the pressure effect of clamping member, rely on the friction force between cushion and the glasses for LCD, effectively prevent the slip of glasses for LCD, thereby use simple assembly to replace center of the prior art, not only reduce production cost, also simplified the structure of liquid crystal indicator greatly.Simultaneously, because the material behavior of cushion can effectively absorb outside vibrations, has shockproof function.
Description of drawings
Fig. 1 is the utility model one-piece construction exploded view;
Fig. 2 is each optical sheet of the utility model and lampshade structure exploded view;
Fig. 3 is that the utility model liquid-crystalline glasses group product, each optical sheet cooperate synoptic diagram with lampshade;
Fig. 4 is a matching chart between each part of the utility model;
Fig. 5 is the A place enlarged drawing of Fig. 4 of the present invention;
Fig. 6 is the B place enlarged drawing of Fig. 4 of the present invention.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1 and Figure 2, the utility model comprises a back cover 30 and mainboard assembly 218, also comprise the glasses for LCD group product (open cell) and the some optical sheets that are used to realize Presentation Function, wherein said glasses for LCD group product comprise glasses for LCD 203 and drive circuit board 2121, described each optical sheet is the sheet that looses, with glasses for LCD 203 and back cover 30 adjacency, each optical sheet is fixed in the liquid crystal indicator by adaptive with it clamping member 26 clampings with described glasses for LCD 203 by after the superimposed in regular turn arrangement of designing requirement.Described glasses for LCD 203 faces adjacent with optical sheet are incidence surface, on the incidence surface of described glasses for LCD 203, are provided with and make the cushion 204 (Rubber Pad) that keeps a gap between glasses for LCD 203 and the optical sheet.
The utility model is by corresponding superimposed with the optical sheet of each dispersion, again with glasses for LCD group product clamping together, be different from and be combined into module in the prior art earlier, the constituted mode of set assembling both can reduce manufacturing procedure again, also can reduce the additional member of being derived by the prior art structure simultaneously, as center, backboard etc., so reduced processing cost, material cost and assembly cost, can reduce the weight of product again, further can reach the whole lightening purpose of liquid crystal indicator.Described cushion 204 can not only make and keep a gap between glasses for LCD 203 and the optical sheet, and can also be under the pressure effect of clamping member, rely on the friction force between cushion 204 and the glasses for LCD 203, effectively prevent the slip of glasses for LCD 203, thereby use simple assembly to replace center of the prior art, not only reduce production cost, also simplified the structure of liquid crystal indicator greatly.Simultaneously, because cushion 204 can be made by elastomeric material or other rubber-like material, both can make between glasses for LCD 203 and the optical sheet and keep certain intervals, and, can produce certain elastic deformation by what cushion 204 being subjected to external force to do the time spent, can effectively absorb outside vibrations, the influence of avoiding external vibration that entire product is brought, has shockproof function, and glasses for LCD 203 is adjacent between the part combines closely, can prevent the external dust invasion, pollute glass, influence imaging effect.In addition, because the friction factor of elastic pad material is bigger usually, under pressure, the friction force between cushion 204 and the glasses for LCD 203 is also bigger, slides so can also effectively prevent glasses for LCD 203.
In the utility model specific embodiment, each optical sheet and glasses for LCD 203 can be clamped on the back cover 30 by a clamping member 26, behind glasses for LCD 203, cushion 204, each optical sheet clamping, can constitute a display panels, cover corresponding more fixed or movable being snapped on the back cover 30 by a frame 10.Simultaneously, mainboard assembly 218 is placed back cover 30 corresponding arrangements place that are provided with, just realized the fixing and installation of entire product.
As Fig. 1-shown in Figure 5, in the utility model specific embodiment, described each optical sheet is the sheet that looses, superimposed in regular turn arrangement, it comprises diffusion sheet 25, brightening piece 206, light guide plate 209 and reflector 215, described diffusion sheet 25 be mainly used in divergent beams, can provide uniform surface light source to LCDs; The main effect of brightening piece 206 is to revise direction of light, increases the utilization benefit of light, two superimposed compositions of diaphragm of general normal employing, and direction is vertical each other, and light is concentrated to improve whole briliancy; The effect of light guide plate 209 is guiding radiation directions, improves liquid crystal display radiance degree and control brightness even; The effect of reflector 215 is that the light that will not enter light guide plate 209 reflects, and it is transferred on the liquid crystal display by light guide plate 209 again, prevents that light source from leaking outside, to increase the service efficiency of light source.Described diffusion sheet 25 can set up diffusion sheet 205 and following diffusion sheet 207 separately, described first optical sheet is last diffusion sheet 205, described upward diffusion sheet 205 and following diffusion sheet 207 lay respectively at two sides of brightening piece 206, wherein first optical sheet--the two sides of-last diffusion sheet 205 is respectively exiting surface 2051 and incidence surface 2052, described exiting surface 2051 and glasses for LCD 203 adjacency.
Need to prove, in the choosing of above-mentioned optical sheet, also can omit down diffusion sheet 207 and brightening piece 206.
Referring to Fig. 1--Fig. 5, in the utility model specific embodiment, described cushion 204 is arranged at first optical sheet---to go up between diffusion sheet 205 and the glasses for LCD 203, annular or frame-shaped structure that it can be formed in one and form fit in around the exiting surface 2051 of diffusion sheet 205; Also can be at least one shape member, as two strip members that be arranged in parallel, fit in exiting surface 2051 both sides of diffusion sheet 205.
In the utility model specific embodiment, at described first optical sheet---go up between diffusion sheet 205 and the brightening piece 206, also be provided with distance piece 208.Described distance piece 208 can be at least one bar shaped member, shows as Fig. 1 to be depicted as two members that be arranged in parallel, fits in described diffusion sheet 205 incidence surfaces 2052 both sides of going up, and also can be a framing component, fits in around diffusion sheet 205 incidence surfaces 2052.Described brightening piece 206 is superimposed with the one side of light guide plate 209 by back, distance piece 208 location with following diffusion sheet 207, the another side of light guide plate 209 and reflector 215 are superimposed, described reflector 215 and light guide plate 209 superimposed faces are a shiny surface, are used for reflection ray to light guide plate 209.
Described distance piece 208 can be made by materials such as rubber, has certain elasticity, can be used for locating brightening piece 206 and following diffusion sheet 207, simultaneously can keep having a slight gap between diffusion sheet 205 and the brightening piece 206, prevent because last diffusion sheet 205 and the brightening piece 206 superimposed polarisation phenomenons that cause.
Again referring to as Fig. 1-Fig. 5, in the utility model specific embodiment, also comprise the lampshade 23 that contains luminophor 214, described lampshade 23 places each optical sheet periphery, can set up upper lamp shade and lower lamp shade separately, on, under be symmetrical arranged, structure is asymmetric " U " type, described luminophor 214 is strip, it can be any luminescence component, such as being cold-cathode fluorescence lamp or the strip LED lamp that formed by some LED, described two luminophors 214 are arranged at respectively, position between among lower lamp shade 23 they " U " die cavity bodies, luminophor 214 two ends are fixed on the lampshade 23 by fixture 210 respectively.After described reflector 215, light guide plate 209 are fitted mutually and between two luminophors 214, by lampshade 23 clampings, the incidence surface setting of luminophor 214 relative light guide plate 209.
As shown in Figure 1, between described back cover 30 and reflector 215, also be folded with the two flexible cushion block I 216 that be arranged in parallel, described flexible cushion block I 216 can be strip member and can be fixed in the corresponding positioning strip that is provided with 301 sides on the back cover 30, fits with reflector 215 both sides.Flexible cushion block I 216 can select foam for use, can utilize the elasticity of foam, absorbs each part's machining errors and rigging error, the flatness of supporting reflector 215, but also can absorb exterior vibration, have shockproof function.
Because the utility model has omitted the backboard of conventional display device, for mainboard assembly 218 and reflector 215 are separated, between mainboard assembly 218 and reflector 215, also be provided with a flexible cushion block II 217, described flexible cushion block II 217 can be that rubber etc. has certain flexible material to make.Described flexible cushion block II217 fits or is adhered on the binding face of mainboard assembly 218 correspondences.
As Fig. 1, Fig. 5, shown in Figure 6, some optical sheets for good fixedly glasses for LCD 203 (open cell) and superimposed arrangement, the utility model also is provided with a clamping member 26, and described clamping member 26 can be the combination of two or four strip members, or is a framing component.Framing component is made of four " L " type bonding jumpers described in the utility model diagram---two lateral frames 202 and side stand 201.As shown in Figure 6, on the side of described lateral frame 202 and side stand 201, also be provided with clamping part 2011, can fasten, be coated on the part periphery of above-mentioned superimposed back, and cover by face frame 10 with the points of engagement of back cover 30 corresponding settings.
The utility model embodiment assembling process is as follows: at first mainboard assembly 218 is fixed in the depressed part of back cover 30, and at the left and right sides of back cover 30 sticking flexible cushion block I 216, at the outside surface sticking flexible cushion block II 217 of mainboard assembly 218; Around the exiting surface 2051 of last diffusion sheet 205, attach cushion 204 then, at the left and right sides of last diffusion sheet incidence surface 2052 attaching distance piece 208; At last light source 214 and light guide plate 209 and reflector 215 are fixed in lampshade 23, make itself and lampshade 23 in aggregates.Relend the connecting portion setting that helps aid to make glasses for LCD 203 and be connected glasses for LCD 203 and drive circuit board 2121, and drive circuit board 2121 is attached on the back cover 30.Utilize lead that luminophor 214 and mainboard assembly 218 are electrically connected then, the integral body that luminophor 214, light guide plate 209, reflector 215 and lampshade 23 are assembled into is flat on the back cover 30, again at diffusion sheet 207, brightening piece 206 and last diffusion sheet 205 under the shop successively on the light guide plate 215, and the exiting surface 2051 that makes diffusion sheet 205 up, again glasses for LCD 203 is put down from aid at last, glasses for LCD 203 is tiled on the diffusion sheet 205 by the spacer on the lampshade 23 234.Around glasses for LCD 203, place the clamping member 26 that constitutes by four bonding jumpers again, and utilize the corresponding construction on clamping member 26 and the back cover 30 that glasses for LCD 203, each optical sheet are fixed on the back cover 30, again face frame 10 is sticked on the back cover 30 at last.
Foregoing description is one of embodiment of the present utility model, certainly, also can do equivalent transformation to this specific embodiment, as, corresponding fixed sturcture is set on face frame 10, as buckle structure etc., each optical sheet and the glasses for LCD 203 clamping member 26 by the correspondence setting is clamped on the face frame 10, together be fixed in again on the back cover 30; Also cushion 204 can be arranged on the light guide plate 209, this is that intensity is little because last diffusion sheet 205 is all very thin usually, therefore, cushion 204 damages when disposed thereon easily, and light guide plate 209 is thicker usually, be not easy damage when disposed thereon, therefore can have better technique effect.In fact, 204 of cushions need to guarantee to make to keep a gap to get final product between glasses for LCD 203 and the optical sheet.
The utility model can be the building block of LCD, LCD TV or computing machine.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1, a kind of liquid crystal indicator, comprise glasses for LCD group product, some optical sheets, back cover and mainboard assembly, described glasses for LCD group product comprise glasses for LCD and drive circuit board, the face that described glasses for LCD and optical sheet are adjacent is an incidence surface, it is characterized in that, described glasses for LCD and each optical sheet together are fixed, on the incidence surface of described glasses for LCD, be provided with and make the cushion that keeps a gap between glasses for LCD and the optical sheet.
2, liquid crystal indicator as claimed in claim 1 is characterized in that: described glasses for LCD group product, the superimposed in regular turn arrangement of each optical sheet, and by fixed or movable being snapped on the back cover behind adaptive with it clamping member clamping together.
3, liquid crystal indicator as claimed in claim 1 is characterized in that: also comprise a frame, described glasses for LCD group product, the superimposed in regular turn arrangement of each optical sheet are by fixed or movable being snapped on the face frame behind adaptive with it clamping member clamping together.
4, as claim 2 or 3 described liquid crystal indicators, it is characterized in that: each optical sheet of described superimposed arrangement in regular turn is last diffusion sheet, brightening piece, following diffusion sheet, light guide plate and reflecting plate, described first optical sheet is last diffusion sheet, adjacent with described glasses for LCD group product, it contains an exiting surface, and the back side of described exiting surface is incidence surface.
5, liquid crystal indicator as claimed in claim 4 is characterized in that: described cushion places between the glasses for LCD and first optical sheet, or is arranged between glasses for LCD and the light guide plate.
6, liquid crystal indicator as claimed in claim 5 is characterized in that: described cushion or be an annular or frame-shaped structure fits in around the exiting surface or light guide plate of first optical sheet; Or be at least two strip members that be arranged in parallel, fit in the exiting surface or the light guide plate both sides of first optical sheet.
7, liquid crystal indicator as claimed in claim 4, it is characterized in that, be provided with distance piece between described first optical sheet and other optical sheet, described distance piece or be at least one bar shaped member, fit on the described first optical sheet incidence surface, or be a framing component, fit in around the first optical sheet incidence surface.
8, as claim 2 or 3 described liquid crystal indicators, it is characterized in that: the clamping member that is used for clamping described glasses for LCD group product and each optical sheet is the combination of at least two strip members that can be connected with described back cover, or is framing component.
9, liquid crystal indicator as claimed in claim 8 is characterized in that: described clamping member is four " L " shape bonding jumpers, and described bonding jumper is provided with the clamping part that can match with respective fixation structure on face frame or the back cover.
10, liquid crystal indicator as claimed in claim 2 is characterized in that: be provided with flexible cushion block between the optical sheet that described back cover is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201817772U CN201348698Y (en) | 2008-12-18 | 2008-12-18 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201817772U CN201348698Y (en) | 2008-12-18 | 2008-12-18 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201348698Y true CN201348698Y (en) | 2009-11-18 |
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ID=41368167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201817772U Expired - Fee Related CN201348698Y (en) | 2008-12-18 | 2008-12-18 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201348698Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043285A (en) * | 2010-12-08 | 2011-05-04 | 友达光电股份有限公司 | Display device |
-
2008
- 2008-12-18 CN CNU2008201817772U patent/CN201348698Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043285A (en) * | 2010-12-08 | 2011-05-04 | 友达光电股份有限公司 | Display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091118 Termination date: 20101218 |