CN201322832Y

CN201322832Y - Liquid crystal display module

Info

Publication number: CN201322832Y
Application number: CNU2008201762341U
Authority: CN
Inventors: 蔡育骐; 谢襦毅; 廖正民
Original assignee: Chunghwa Picture Tubes Ltd
Current assignee: Chunghwa Picture Tubes Ltd
Priority date: 2008-11-14
Filing date: 2008-11-14
Publication date: 2009-10-07
Anticipated expiration: 2018-11-14

Abstract

The utility model relates to a liquid crystal display module, which is convenient for assembling rapidly and shortening assembly working hours. The liquid crystal display module of the utility model comprises a backlight module which contains a rubber frame and at least one optical membrane, a display panel which is arranged on the optical membrane, an upper frame which is arranged on the display panel, and a first magnetic body which is arranged on one of the upper frame or the rubber frame for combining the upper frame and the rubber frame to achieve the effect of fixing and positioning.

Description

LCD MODULE

Technical field

The utility model relates to a kind of LCD MODULE.

Background technology

General LCD MODULE (LCD module) includes a display panel, a backlight module and a framework.Display panel is mounted on the backlight module top, and utilizes framework that display panel is fixed on the backlight module, becomes a complete LCD MODULE.

Usually the display panel group includes a upper substrate (as: color polarizing plate), an infrabasal plate and liquid crystal material, and wherein liquid crystal material is filled between the two substrates.Dispose thin film transistor (TFT) array (TFT Array) on the infrabasal plate, and control the arrangement situation of liquid crystal molecule in the picture element, reach the function of optical switch by thin film transistor (TFT).

Backlight module provides whole LCD MODULE required light source, and general commonly used backlight module can be divided into two kinds of side light type back light module and direct type backlight modules.Side light type back light module is made of elements such as light guide plate, cold-cathode tube, reflection lampshade, blooming piece, glue frame and frameworks.Cold-cathode tube is installed in the light incident sides of light guide plate, and the other reflection lampshade that is provided with of cold-cathode tube.Reflection lampshade is around cold-cathode tube, and the light that cold-cathode tube is sent reflects to the incidence surface of light guide plate.Via the optical design of light guide plate inside, light is emitted by the exiting surface of light guide plate then.

Direct type backlight module has generally included elements such as cold-cathode tube, diffusion sheet, reflecting plate, blooming piece, glue frame and framework.Cold-cathode tube is disposed at the diffusion sheet below, by diffusion sheet the light that cold-cathode tube sent is transformed into an even planar light source.Simultaneously reflecting plate is set below cold-cathode tube, the light that cold-cathode tube is sent upwards reflects and reaches the effect that increases brightness.

No matter be side light type back light module or direct type backlight module, all must dress up a complete LCD MODULE at last with a display panel structure.In the past, the someone utilizes a kind of structure dress mode (as U.S. Patent number US6373537) of using screw, and as shown in Figure 1, its practice is attached to back of the body frame 100 to reach the effect of combination for see through upper ledge 500 with screw (SCREW) 501.Its disclosed structure dress mode, though have fixed effect, its assembling convenience deficiency must expend long assembling man-hour, and the program of dismounting and heavy industry is very loaded down with trivial details.In addition, if the screw hole position design of structure dress is improper, cause the LCD MODULE unbalance stress easily.Cause last display quality not good, even can cause display panel to break.Therefore, the utmost point needs a kind of LCD MODULE that can improve the problems referred to above at present.

The utility model content

Fundamental purpose of the present utility model provides a kind of LCD MODULE, so as to assemble fast with shorten the assembling man-hour.

Another purpose of the present utility model provides a kind of LCD MODULE, so that can improve the convenience of assembly and disassembly.

For reaching above-mentioned purpose, LCD MODULE of the present utility model includes: the backlight module of tool one glue frame and at least one blooming piece; One display panel is disposed on the blooming piece; One upper ledge is arranged on the display panel; And one first magnetic, be arranged at upper ledge or glue frame one of them reach the effect fixing and location so that upper ledge combines with the glue frame.

LCD MODULE of the present utility model also includes one second magnetic, be mounted on glue frame or upper ledge one of them, and this second magnetic has the polarity opposite with first magnetic.LCD MODULE of the present utility model is preferably second magnetic and is configured in position corresponding to first magnetic.

Aforesaid LCD MODULE, wherein, the preferable magnetic metal sheet that includes of upper ledge.

Aforesaid LCD MODULE, wherein, this magnetic metal sheet is preferably galvanized steel strap or stainless steel.

LCD MODULE of the present utility model can more include a light guide plate, is arranged in the glue frame.

LCD MODULE of the present utility model, wherein, first magnetic or second magnetic can be magnet.

LCD MODULE of the present utility model, wherein, above-mentioned magnet can be SmCo magnet or Nd-Fe-B high-performance magnet; Also can be oxidation magnet.

LCD MODULE of the present utility model, wherein, above-mentioned magnet more can be ferro-gum.

The beneficial effects of the utility model are, a kind of LCD MODULE that is provided can be assembled fast and shortened assembling man-hour, can also improve the convenience of assembly and disassembly.

Description of drawings

Fig. 1 is an existing LCD MODULE constitutional diagram;

Fig. 2 is the exploded view of the utility model embodiment 1;

Fig. 3 is the local constitutional diagram of the utility model embodiment 1;

Fig. 4 is the part sectioned view of the utility model embodiment 1;

Fig. 5 is the part sectioned view of the utility model embodiment 2.

[main element symbol description]

50 backlight modules

100 back of the body frames

102 recesses

200 light sources

201 reflex housings

210 light guide plate

220 blooming pieces

300 glue frames

400 display panels

500 upper ledges

501 screws

502 magnetic metal sheets

600 first magnetics

620 second magnetics

Embodiment

Embodiment 1

The LCD MODULE of present embodiment sees also Fig. 2 and Fig. 3.The LCD MODULE of present embodiment includes a back of the body frame 100, a light guide plate 210, a light source 200, a reflex housing 201, a glue frame 300, at least one blooming piece 220, a display panel 400 and a upper ledge 500.

Light guide plate 210 is located in the glue frame 300, and light source 200 and reflex housing 201 are mounted on the side of light guide plate 210, as shown in Figure 2.Glue frame 300 is accommodated light guide plate 210 in it, and passes through glue frame 300 and carry on the back combining of frame 100, and light guide plate 210, light source 200 are fixedly arranged in the back of the body frame 100 with reflex housing 201.Light guide plate 210 tops dispose at least one blooming piece 220, and said elements is assembled into backlight module 50.Backlight module 50 tops are provided with display panel 400 and upper ledge 500 in regular turn.Upper ledge 500 covers the edge of display panel 400 and is connected in back of the body frame 100, by this display panel 400 and backlight module 50 structures is dressed up one, forms a complete LCD MODULE.

In the present embodiment, the sidewall of glue frame 300 is provided with a plurality of first magnetics 600, and back of the body frame 100 corresponds on the position of first magnetic 600 and is formed with a plurality of recesses 102.When glue frame 300 combined with back of the body frame 100,600 correspondences of first magnetic were placed in the recess 102 of back of the body frame 100.Fig. 4 is that the LCD MODULE of present embodiment is at first magnetic, 600 locational sectional views, first magnetic 600 is fixedly arranged on the outside of glue frame 300, and the inner edge of the rough alignment back of the body of the outer rim of first magnetic 600 frame 100 makes upper ledge 500 be contacted with first magnetic 600.

First magnetic 600 of present embodiment can be SmCo magnet or Nd-Fe-B high-performance magnet, also can be oxidation magnet.Oxidation magnet mainly is by iron oxide (Fe ₂O ₃), barium carbonate (BaCo ₃) or strontium carbonate (SrCo ₃) metal powder forms, and be desired shape and size via a mould molding, sticking on the glue frame 300 then.Or when utilizing ejection formation to make glue frame 300, earlier first magnetic 600 is arranged at the ad-hoc location in the mould.After glue frame 300 ejection formations were finished, first magnetic 600 just was embedded in glue frame 300.

Certainly, first magnetic 600 also can be a kind of ferro-gum, and ferro-gum is the raw material that oxidation magnet and rubber mix form, and can be easy to make different profiles, for example circular, plate shaped or strip.And ferro-gum can utilize the mode of ejection formation to be made into special shape.Ferro-gum also can be made into the lithographic plate strip, is cut into suitable size and shape according to actual needs then, sticks on the glue frame 300 again.

In the present embodiment, upper ledge 500 can be the magnetic metal material, for example galvanized steel plain sheet or stainless steel.Or include a magnetic metal sheet 502 (or magnetic metal sidewall) in the upper ledge 500.When 400 groups of upper ledge 500 and display panels are located on the backlight module, be fixedly arranged on first magnetic 600 and upper ledge 500 in the glue frame 300 because of magneticaction attracts naturally, reach effect fixing and that locate.So-called herein magnetic metal material is meant the metal material that can produce magnetic attraction with magnet or magnetic.

By the design of first magnetic 600 on the glue frame 300, arrange in pairs or groups and upper ledge 500 with magnetic attraction, can reduce the quantity of using conventional screw or trip, reach and shorten the assembling purpose in man-hour.Further, suitably dispose the number and the position of first magnetic 600, even can not need to use traditional screw or trip.In assembling, have convenience, more can therefore improve assembling speed and promote production capacity.

Embodiment 2

Fig. 5 is the part sectioned view of present embodiment.In the present embodiment, except design and implementation example 1 difference of upper ledge 500, other composed component is identical with embodiment 1.

In the present embodiment, being installed with second magnetic, 620, the second magnetics 620 in the upper ledge 500 is the positions that correspond to first magnetic 600.And first magnetic 600 has opposite magnetic polarity with second magnetic 620.For example first magnetic 600 is the N utmost point, and second magnetic 620 is the S utmost point.Attract each other by first magnetic 600 and second magnetic 620, reach location and fixing effect.

The foregoing description only is to give an example for convenience of description, and the interest field that the utility model is advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.

Claims

1, a kind of LCD MODULE is characterized in that comprising:

One backlight module comprises:

One glue frame;

At least one blooming piece is arranged on this glue frame;

One display panel is disposed on this blooming piece;

One upper ledge is arranged on this display panel; And

One first magnetic, be arranged at this upper ledge or this glue frame one of them.

2, LCD MODULE as claimed in claim 1 is characterized in that, also includes one second magnetic, be arranged at this glue frame or this upper ledge one of them, and this second magnetic is opposite with this first magnetic polarity and mutually link.

3, LCD MODULE as claimed in claim 1 is characterized in that, this upper ledge comprises a magnetic metal sheet.

4, LCD MODULE as claimed in claim 3 is characterized in that, this magnetic metal sheet is galvanized steel strap or stainless steel substrates.

5, LCD MODULE as claimed in claim 1 is characterized in that, also includes a light guide plate, is arranged in this glue frame.

6, LCD MODULE as claimed in claim 1 is characterized in that, this first magnetic is a magnet.

7, LCD MODULE as claimed in claim 6 is characterized in that, this magnet is SmCo magnet, Nd-Fe-B high-performance magnet or oxidation magnet.

8, LCD MODULE as claimed in claim 6 is characterized in that, this magnet is ferro-gum.

9, LCD MODULE as claimed in claim 2 is characterized in that, this second magnetic is a magnet.

10, LCD MODULE as claimed in claim 9 is characterized in that, this magnet is SmCo magnet, Nd-Fe-B high-performance magnet or oxidation magnet.

11, LCD MODULE as claimed in claim 9 is characterized in that, this magnet is ferro-gum.