CN204116755U

CN204116755U - Display device

Info

Publication number: CN204116755U
Application number: CN201420432423.6U
Authority: CN
Inventors: 蔡永裕; 蔡金涂; 许志宏
Original assignee: Innolux Display Corp
Current assignee: Innolux Corp
Priority date: 2014-08-01
Filing date: 2014-08-01
Publication date: 2015-01-21
Anticipated expiration: 2024-08-01

Abstract

The utility model provides a kind of display device, include one and there is a display panel, the panel module of one back light unit and a backboard, one casing assembly, and a plurality of fixture, the coated panel module of casing assembly and frame before having, one center one carries on the back lid, wherein front frame is located at the outboard peripheries place of panel module and is had a body, one first extension and one second extension, first extension and the second extension are respectively by body in one first axially and extend towards backboard direction, and between the first extension and the second extension, be formed with a groove, center has a holding section and a junction surface, holding section extends towards this first axis and is arranged in the groove of front frame, and junction surface axially extends and locks to cover along one second towards backboard center position and is fixed on backboard, at least one side portion of back of the body lid is embedded between backboard and junction surface, and at least one side portion and the end face of contiguous center axially have a preset space length in second, and a plurality of fixture is located in backboard in order to Jiang Beigai.

Description

Display device

Technical field

The utility model relates to a kind of display device, espespecially a kind of housing frame structure of display device, and specific structure dress kenel.

Background technology

Existing LCD device major part comprises is located at liquid crystal panel in housing and backlight module (Backlight module), and the structure of liquid crystal panel is by a colored filter (color filter), one electric crystal array film substrate (Thin film transistor array substrate), and one the liquid crystal layer be configured between this two substrates formed, its principle of work is by applying the rotation that driving voltage controls the liquid crystal molecule of liquid crystal layer on two panels glass substrate, and by the light-emitting component in backlight module, such as the light of light emitting diode (LED) is through superrefraction and optically focused and produce picture on panel, therefore, one of composition key component becoming liquid crystal indicator of backlight module, and backlight module can be divided into the backlight module of side entering type light source and directly-down light source according to the difference of light source incidence position, and light-emitting component is arranged at the rear of liquid crystal panel by directly-down light source backlight module, direct formation light source provides, and the backlight module of side entering type light source is back plate edges place backlight LED (Light bar) being arranged at side on rear side of liquid crystal panel, by light via light guide plate (Light guide plate, LGP) incidence surface of side enters light guide plate, penetrate from the exiting surface of light guide plate after reflection and diffusion, there is provided with forming surface light source through optical diaphragm group again.

Please refer to shown in Fig. 1, it is that existing frame is located at the front framework 1 of liquid crystal display outside and the framework array mode of rear framework 2, then framework 2 is generally paid with screwed lock and is coated on the outside of the backboard (not shown) of backlight module, make the product back side comparatively attractive in appearance, but, the geometry that this kind is simple and easy to organize can cause local light leak because of the reflection of light and scattering, make it for the stricter product of light leak requirement, its shaded effect is not enough, consider to solve module backside light leak and having outward appearance concurrently and reach the benefit reducing costs (cost-down), therefore to design novel framework framework be an important problem.

Utility model content

In view of this, for improving above-mentioned problem, the utility model provides a kind of display device, solves module backside light leak and have outward appearance concurrently consider and reach the benefit reduced costs.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of display device, it is characterized in that, it includes a panel module, a casing assembly and a plurality of fixture, wherein:

This panel module, has a display panel, a back light unit and a backboard, and this backboard carries this display panel and is located at the opposition side with a display surface of this display panel, and this back light unit is located between this display panel and this backboard;

This casing assembly, this panel module coated and frame before having, a center and a back of the body lid, wherein:

This front frame, be located at the outboard peripheries place of this panel module and there is a body, one first extension and one second extension, this body side is against this display surface, and this first extension and this second extension are respectively by this body one first axially and extend towards this backboard direction, be formed with a groove between this first extension and this second extension, and this first extension is locked on this panel module;

This center, frame is coordinated to establish this panel module with this front frame, this center has a holding section and a junction surface, this holding section first along this axially extends and is arranged in this groove of this front frame, and this junction surface is along the extended side in this backboard in contrast to this display panel of one second axis and be locked on this backboard;

This back of the body lid, is covered in the side of this backboard in contrast to this display panel, and at least one side portion of this back of the body lid is embedded between this junction surface of this backboard and this center, and this at least one side portion has a preset space length with the end face being close to this center in this second axis; And

This plurality of fixture, locks this backboard and this back of the body lid is located in this backboard;

Wherein, this first axis is any direction of this display surface vertical, and this second axis is any direction of this display surface parallel.

Described display device, wherein: this first extension length of this front frame is greater than this second extension, this holding section of this center relies on this second extension to cover this first extension, and this junction surface of this center and this backboard have an assembly space.

Described display device, wherein: this plurality of fixture is one section of poor screw, each section of difference screw has a nut portion and a screw division, and this back of the body is covered with a plurality of hole, and this plurality of fixture wears this plurality of hole, the aperture of this plurality of hole is greater than that the screw division footpath of this plurality of fixture is wide and to be less than the footpath, nut portion of this plurality of fixture wide.

Described display device, wherein: this back of the body lid in this assembly space contiguous forms recessed folding along this first direction axially and towards this backboard, and towards this second axially extended plate body, and this at least one side portion is aforementioned towards this second axially extended plate body part, this at least one side portion is embedded in this assembly space.

Described display device, wherein: the aperture of this plurality of hole difference wide with the screw division footpath of this plurality of fixture is one coordinate clearance, freely second axially to slide in this relative to this backboard to enable this back of the body lid.

Described display device, wherein: this back of the body lid is metal material or plastic material.

Described display device, wherein: if this back of the body cover material is metal material, this preset space length is between 0.5mm ~ 1mm, if this back of the body cover material is plastic material, this preset space length is between 2mm ~ 4mm.

Described display device, wherein: this front frame is metal material or plastic material.

Described display device, wherein: this center is metal material or plastic material.

Described display device, wherein: this back light unit comprises:

One light guide plate;

One reflecting plate, is located at this light guide plate side

A plurality of blooming piece, is located at the side of this light guide plate in contrast to this reflecting plate;

One light-emitting component, it is that a side entering type light source is arranged or is that a directly-down light source is arranged, and corresponds to this light guide plate with optics.

Based on above-mentioned technical characteristic, the display device that the utility model discloses, its dress of structure by casing assembly kenel, form the backstop of a high light-proofness, can fully reach the effect of covering light leak, and via the design of reserved spacing, also prevent from causing because expanding with heat and contract with cold being out of shape and cause the infringement of frame structure, moreover, because back of the body lid is a displacement component, can because different product demands be with tearing immediate shipment open with in response to the specification of different product and demand, also the not convenient property that existing frame structure produces time heavy industry (Rework) in time manufacturing is improved, effective improving production efficiency.

Accompanying drawing explanation

Fig. 1 is another framework connected structure formula intention of existing backlight module;

Fig. 2 a is liquid crystal display back flat schematic diagram of the present utility model;

Fig. 2 b is the part-structure schematic diagram of liquid crystal display of the present utility model along B-B ' profile line;

Fig. 3 is that panel module of the present utility model engages kenel schematic diagram with outer casing member.

Description of reference numerals:

Framework before (prior art) 1-; Framework after 2-;

(the utility model) 10--back light unit; 101-reflecting plate; 102-light guide plate; 103-blooming piece; 12,18-locking part; 20-display panel; 21-backboard; 30-casing assembly; Frame before 31-; 310-body; 311-first extension; 312-second extension; 32-center; 321-holding section; 3211-first end; 3212-second end; 322-junction surface; 33-carries on the back lid; 330-side portion; 35-fixture; G-preset space length; L-groove; P-assembly space; T-coordinates clearance.

Embodiment

Technical characteristic of the present utility model can be definitely understood for making juror, and usually know that the knowledgeable also can accurately cognitive technical characterstic of the present utility model and utility model object in this field, the utility model is especially exemplified by embodiment and describe in detail, and the utility model technical characteristics is in order to the technical application on the frame structure of encapsulation novel, below describe other the outer spare parts about the frame structure of liquid crystal indicator, non-principal character of the present utility model, Gu do not describe in detail separately, by this field, it knows that the intelligible explanation of the knowledgeable technical characteristic of the present utility model is primary concern usually.

Please coordinate with reference to shown in figure 2a ~ 2b, it draws the back flat position description of explanation one display device, and along the structure explanation in the long side profile line B-B ' of this display device, the utility model discloses a kind of display device, it includes a panel module and a casing assembly 30, its singularity focusing on casing assembly 30 of the present utility model, and be related art about each element had in panel module and composition thereof, therefore following only simple declaration, this field usually know that the knowledgeable should understand those technical characteristics.

Please refer to shown in Fig. 2 a and 2b, panel module has back light unit 10, display panel 20 and a backboard 21, and backboard 21 is in order to carry back light unit 10 and display panel 20, and is located at the opposition side of a display surface 201 of display panel 20.

Please coordinate with reference to shown in figure 3 again, according to the simple and easy schematic diagram that Fig. 2 illustrates, back light unit 10 generally includes a light guide plate 102, one reflecting plate 101 being located at light guide plate 102 side, and a plurality of blooming piece 103, this a plurality of blooming piece 103 aforementioned is located at the side of this light guide plate 102 in contrast to this reflecting plate 101, and back light unit 10 more includes a light-emitting component (not shown), its alternative can be a side entering type light source setting or is that a directly-down light source is arranged, do not limit at this, design according to actual demand, it is connected to light guide plate 102 with the corresponding optics of optics.

Described in presenting, the upper of backboard 21 be located at by reflecting plate 101, refer to towards one first of display panel 20 axially in " those backboards upper " described in this, and be regardless of the explanation of limit " top " this absolute position, the reflecting plate 101 of general side-light backlight unit 10 is positioned over bottom light guide plate 102 as described below, its object, in order to be reflected back into by the light spilt from bottom surface in lower described light guide plate 102, prevents light source from leaking outside, to increase the service efficiency of light; Direct-type backlight unit 10 is then be placed in lamp box lower surface or paste thereon, by the light beam reflected through diffuser plate by being again reflected back diffuser plate bottom lamp box to be utilized.

Light guide plate 102 is located at the upper of reflecting plate 101 and optics corresponds to reflecting plate 101, light guide plate 102 described herein is often applied to side light type backlight unit, it is the critical elements affecting optical efficiency, by the method for ejection formation, propylene is suppressed the ganoid wedge shape plate of journey, then apparatus high reflectance and the material of not extinction, circular or square diffusion point is stamped at light guide plate 102 bottom surface screen painting, and light guide plate 102 major function is directing light direction, to improve panel light briliancy and to control brightness uniformity, and in kenel structure, divide into wedge-shaped board and flat board two kinds, general notebook computer all adopts wedge-shaped board because considering that space is closed, LCDMonitor and LCD TV then adopts flat board to be main.

A plurality of blooming piece 103 is located at the upper of light guide plate 102 and the corresponding light guide plate 102 of optics, diffusion sheet (Diffuser) is at least included in a plurality of blooming piece of this described in this, brightness enhancement film (BEF) and polarisation conversion film (PS-Converter), its object is not separately detailed description at this, this domain knowledge person can understand by it light path and characteristic that object is all to improve liquid crystal indicator, it has more a light-emitting component (not shown) and one drive circuit (not shown), the relevant position both this is not limited at this, backlight module demand according to different liquid crystal indicators is done difference and is considered and design, and light-emitting component can be cold cathode conduit (CCFL) or light emitting diode (LED), its optics corresponds to light guide plate 102, and this driving circuit is electrically connected this light-emitting component, and aforesaid light emitting diode can be white light formula or light-mixed type, do not limit at this, and aforementioned optical correspondence refers to the light path that the mutual correspondence of light that light source penetrates is carried out.

Described in presenting, liquid crystal indicator of the present utility model more includes a heat dissipation element (not shown), and the setting position of heat dissipation element need consider different heat dissipation design and different, the not emphasis of this case, therefore in or else repeating separately, it, in order to the heat this light-emitting component and this driving circuit produced in time operating, conducts to the external world.

Please coordinate with reference to shown in figure 2b and Fig. 3, technical characteristic of the present utility model is the casing assembly 30 be coated on outside panel module simultaneously, frame 31, center 32 and a back of the body lid 33 before it has one.

Front frame 31 is the frame structures presenting bending kenel, it is located at the outboard peripheries place of this panel module and has a body 310, and one first extension 311 and one second extension 312 to be extended outward by this body 310, body 310 side is against the display surface 201 of display panel 20, and the front end section profile of body 310 can be the wherein one of a curved profile profile, tiltedly shape section profile, square profile profile or streamlined section profile, it is an oblique shape section profile in the present embodiment, but be not limited according to this, design according to actual demand.

Described in presenting, first extension 311 and the second extension 312 are along one first axially and extend towards backboard 21 direction, and be formed with a groove L between the first extension 311 and the second extension 312, the length that wherein the first extension 311 extends is greater than the second extension 312, and the first extension 311 has a plurality of hole, such as, to wear wherein via a locking part 12 and to be locked on this panel module, screw.

Center 32 is the frame structures presenting bending kenel, and form one with front frame 31 and engage the frame structure that structure fills mode, wherein holding section 321 and a junction surface 322 is axially extended towards this first axis with one second respectively in the two ends of this bending place, and junction surface 322 and backboard 21 have an assembly space P.

Holding section 321 extends along this first axis and is arranged in the groove L of front frame 31, holding section 321 has first end 3211 and one second end 3212 respectively, first end 3211 is inserted in groove L, and the end face of the second end 3212 and the second extension 312 lean, cover locking of this first extension 311 and this panel module by means of this holding section 321, and block the mode of establishing and provide and more assemble nargin.

The direction of junction surface 322 along this second axis and towards this backboard 21 center extends, this junction surface 322 is provided with a plurality of hole, this a plurality of hole is locked on backboard 21 via a locking part 18 (such as screw), and can be the cross-section structure kenel of a L shape, an inclined-plane etc. along the section at the junction surface 322 of profile line B-B ', to form this assembly space P between backboard 21.

Back of the body lid 33 is along this second axial open and flat plate body be covered in backboard 21, and the embedding of at least two side portion 330 alternatives is arranged between backboard 21 and junction surface 322, or dismounting is separated, wherein these at least two side portion 330 of the back of the body lid 21 of contiguous assembly space P are formed and bend along this first axis and towards the direction formation of backboard 21, though represent in diagram and present approximately perpendicular bending kenel, but do not limit this kenel, it also can be and is more designed to more level and smooth arc structure kenel, wherein a kind of aspect is only represented in graphic, further illustrate, between the end face and the end face at corresponding junction surface 322 of at least two side portion 330, in this second axis, there is a preset space length G, to leave assembly nargin when expanding with heat and contract with cold.

A plurality of fixture 35 is one section of poor screw, above-mentioned back of the body lid 33 is provided with a plurality of hole, those fixtures 35 are in order to wear this plurality of hole to be attached on backboard 21 by back of the body lid 33, and have one between this plurality of fixture 35 with this plurality of hole and coordinate clearance T, and coordinate clearance T to be the space being at least two dimensions, to leave nargin space when expanding with heat and contract with cold, and provide the space that above-mentioned back of the body lid 33 can move freely in this second axis relative to backboard 21 further.

In more detail, each section of difference screw has a nut portion and a screw division, and this plurality of fixture 35 wears this plurality of hole respectively, the aperture of this plurality of hole is greater than that the screw division footpath of this plurality of fixture 35 is wide and to be less than the footpath, nut portion of this plurality of fixture 35 wide and form this cooperation clearance T.

This above-mentioned first axis is any direction of this display surface 201 vertical, and this second axis is any direction of this display surface 201 parallel, and this back of the body lid 33 is first halves that part is covered in this backboard 21.

Further illustrate, above-mentioned preset space length G mainly selects different materials in response to this casing assembly 30 aforementioned, and different thermal expansivity and have different definition between the size of display device, as described below:

(A) carrying on the back lid 33 the selection of material is a metal material, such as, during almag:

When liquid crystal indicator is of a size of 40 inch, preset space length G is about 0.5mm;

When liquid crystal indicator is of a size of 50 inch, preset space length G is about 0.8mm;

When liquid crystal indicator size is more than or equal to 58 inch, preset space length G is about 1mm;

(B) carrying on the back lid 33 the selection of material is a plastic material, such as, when a polycarbonate (PC) or an ABS resin:

When liquid crystal indicator is of a size of 40 inch, preset space length G is about 2mm;

When liquid crystal indicator is of a size of 50 inch, it is 3mm that preset space length is about G;

When liquid crystal indicator size is more than or equal to 58 inch, preset space length G is about 4mm.

Described in presenting, front frame 31 described in this case, the material of center 32 can be a metal material or a plastic material, aforesaid metal material can be an almag, and plastic material can be selected from a polycarbonate (PC) or an ABS resin, or the compound substance of a PC, ABS resin and glass fibre (GF), do not limit at this, select according to actual demand.

The technical characteristic of the display device that the utility model discloses fills kenel by the structure of casing assembly 30, and by filling mode with front frame 31 with the engaging structure of center 32, and the embedding juncture of center 32 and back of the body lid 33, it utilizes the insert structure of front frame 31 and center 32 and forms the backstop of a high light-proofness, can fully reach the effect of covering light leak, also provide the back of the body lid 33 of slim appearance member in conjunction with interface, and pass through the design of reserved spacing G between the two, also prevent from causing because expanding with heat and contract with cold being out of shape and cause the infringement of frame structure, moreover, because back of the body lid 33 is displacement components, can because different product demands be with tearing immediate shipment open with in response to the specification of different product and demand, also the not convenient property that existing frame structure produces in time manufacturing heavy industry (Rework) is improved further, effective improving production efficiency.

More than illustrate the utility model just illustrative; and nonrestrictive, those of ordinary skill in the art understand, when not departing from the spirit and scope that claim limits; many amendments, change or equivalence can be made, but all will fall within protection domain of the present utility model.

Claims

1. a display device, is characterized in that, it includes a panel module, a casing assembly and a plurality of fixture, wherein:

2. display device according to claim 1, it is characterized in that, this the first extension length of this front frame is greater than this second extension, and this holding section of this center relies on this second extension to cover this first extension, and this junction surface of this center and this backboard have an assembly space.

3. display device according to claim 1, it is characterized in that, this a plurality of fixture is one section of poor screw, each section of difference screw has a nut portion and a screw division, and this back of the body is covered with a plurality of hole, and this plurality of fixture wears this plurality of hole, the aperture of this plurality of hole is greater than that the screw division footpath of this plurality of fixture is wide and to be less than the footpath, nut portion of this plurality of fixture wide.

4. display device according to claim 2, it is characterized in that, this back of the body lid in this assembly space contiguous forms recessed folding along this first direction axially and towards this backboard, and towards this second axially extended plate body, and this at least one side portion is aforementioned towards this second axially extended plate body part, this at least one side portion is embedded in this assembly space.

5. display device according to claim 3, is characterized in that, the aperture of this plurality of hole difference wide with the screw division footpath of this plurality of fixture is one coordinate clearance, freely second axially to slide in this relative to this backboard to enable this back of the body lid.

6. display device according to claim 1, is characterized in that, this back of the body lid is metal material or plastic material.

7. display device according to claim 6, is characterized in that, if this back of the body cover material is metal material, this preset space length is between 0.5mm ~ 1mm, if this back of the body cover material is plastic material, this preset space length is between 2mm ~ 4mm.

8. display device according to claim 1, is characterized in that, this front frame is metal material or plastic material.

9. display device according to claim 1, is characterized in that, this center is metal material or plastic material.

10. display device according to claim 1, is characterized in that, this back light unit comprises:

One light guide plate;

One reflecting plate, is located at this light guide plate side