CN201035274Y

CN201035274Y - Lcd

Info

Publication number: CN201035274Y
Application number: CNU2007201489097U
Authority: CN
Inventors: 肖向春
Original assignee: Beijing BOE Optoelectronics Technology Co Ltd
Current assignee: BOE Technology Group Co Ltd; Beijing BOE Optoelectronics Technology Co Ltd
Priority date: 2007-04-25
Filing date: 2007-04-25
Publication date: 2008-03-12
Anticipated expiration: 2017-04-25

Abstract

The utility model relates to a liquid crystal displayer comprising a liquid crystal display unit, and includes a liquid crystal base plate, signal drive circuit board and a plurality of flexible circuits arranged between the liquid crystal base plate and the signal drive circuit board; a back light source, and is fixed below the crystal liquid display unit; a frame, which is positioned around the liquid crystal display unit and the back light source, so that the liquid crystal display unit and the back light source can be embedded in the frame, and the frame is provided with a notch at the side corresponding to the signal drive circuit board. Due to the above technical proposal, the utility model of liquid crystal displayer has the advantages of thin thickness, light weight and great heat radiation.

Description

LCD

Technical field

The utility model relate to a kind of LCD (Liquid Crystal Display, hereinafter to be referred as: LCD), especially a kind of LCD of in light weight, thin thickness.

Background technology

As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, existing LCD generally is made of liquid crystal display 1, frame 3, backlight 2 and back of the body cover plate 4 four parts.Backlight 2 is arranged at the below of liquid crystal display 1, and frame 3 is entrenched togather them.Wherein, liquid crystal display 1 mainly comprises crystal liquid substrate 11, signal drive circuit plate 12, flexible circuit 13, and crystal liquid substrate 11 is connected with signal drive circuit plate 12 by flexible circuit 13.Signal drive circuit plate 12 is fixedly arranged on the postnotum of backlight 2, has increased the thickness of LCD.Back of the body cover plate 4 is buckled and is located on the signal drive circuit plate 12, has played the effect of holding circuit, but has also increased the thickness of LCD simultaneously.Carrying out when chimeric,, can achieve the above object just flexible circuit 13 must be walked around the lateral margin of backlight 2 in order to realize crystal liquid substrate 11 and to be arranged on being electrically connected of signal drive circuit plate 12 on backlight 2 postnotums.Therefore, the length of flexible circuit 13 is greater than the thickness of backlight 2 lateral margins, has increased the cost of flexible circuit 13.In addition, when being connected, also need on backlight 2 postnotums, set firmly a support again, be used to settle peripheral circuit, further increase weight and the thickness of LCD again with peripheral circuit.

The utility model content

The purpose of this utility model is the shortcoming at existing LCD, and a kind of LCD is provided, thin thickness, in light weight and good heat dissipation.

For achieving the above object, the utility model provides a kind of LCD, comprising:

One liquid crystal display, comprise a crystal liquid substrate, signal drive circuit plate and be arranged in described crystal liquid substrate and the signal drive circuit plate between some flexible circuits;

One backlight is fixedly arranged on the below of described liquid crystal display;

One framework, be located in described liquid crystal display and backlight around, described framework offers corresponding recess in the respective side with described signal drive circuit plate.

By above technical scheme as can be known, with respect to existing LCD, the utility model LCD has been saved back of the body cover plate and has been used to settle the support of peripheral circuit, has alleviated the weight of LCD; The flexible circuit of the utility model LCD no longer needs to walk around the lateral margin of backlight, has promptly shortened the length of the flexible part of flexible circuit, has reduced the cost of LCD; The signal drive circuit plate of the utility model LCD also no longer needs to be fixedly arranged on the postnotum of backlight, has reduced the requirement to the components and parts size on the signal drive circuit plate, has reduced the thickness of LCD; The backlight of the utility model LCD and peripheral circuit branch are arranged, and can also promote radiating effect, make the duty of LCD more stable.In addition, the signal drive circuit plate of the utility model LCD is arranged at the below of crystal liquid substrate, can be connected with peripheral circuit easily, and particularly in notebook computer, this structure can make full use of the space of display screen.

Therefore, LCD of the present utility model has advantages such as thin thickness, in light weight and good heat dissipation.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is the liquid crystal display synoptic diagram of existing LCD;

Fig. 2 is the backlight overall schematic of existing LCD;

Fig. 3 is the frame structure synoptic diagram of existing LCD;

Fig. 4 is the back of the body covering plate structure synoptic diagram of existing LCD;

Fig. 5 is the LCD unit structure synoptic diagram of the utility model LCD embodiment 1;

Fig. 6 is the backlight overall schematic of the utility model LCD embodiment 1;

Fig. 7 is the frame structure synoptic diagram of the utility model LCD embodiment 1;

Fig. 8 is the view of the utility model LCD embodiment 1;

The synoptic diagram that Fig. 9 encapsulates for the utility model LCD embodiment 1;

Figure 10 is the LCD unit structure synoptic diagram of the utility model LCD embodiment 2;

Figure 11 is the backlight overall schematic of the utility model LCD embodiment 2;

Figure 12 is the frame structure synoptic diagram of the utility model LCD embodiment 2;

Description of reference numerals:

The 1-liquid crystal display; The 11-crystal liquid substrate; 12-signal drive circuit plate;

The 13-flexible circuit; The 2-backlight; The 3-frame;

4-carries on the back cover plate; The 5-recess; The 6-front casing;

The 7-rear casing.

Embodiment

Embodiment 1:

As Fig. 5, Fig. 6 and shown in Figure 7, be the decomposition texture synoptic diagram of the utility model LCD embodiment 1 each ingredient, Fig. 5 is the LCD unit structure synoptic diagram of the utility model LCD embodiment 1; Fig. 6 is the back light source structure synoptic diagram of the utility model LCD embodiment 1; Fig. 7 is the frame structure synoptic diagram of the utility model LCD embodiment 1.This embodiment LCD comprises: a liquid crystal display 1 comprises a crystal liquid substrate 11, signal drive circuit plate 12 and is arranged in some flexible circuits 13 between described crystal liquid substrate 11 and the signal drive circuit plate 12; One backlight 2 is fixedly arranged on the below of liquid crystal display 1; One framework 3, be located in liquid crystal display 1 and backlight 2 around liquid crystal display 1 and backlight 2 are entrenched togather, offer on the side of framework 3 one with described signal drive circuit plate 12 recesses 5 corresponding, that the described signal drive circuit plate 12 of confession passes.The end of recess 5, is along being lower than crystal liquid substrate 11; The width of recess 5 equals the length that framework 3 is offered the inboard of described recess one side; The length of flexible circuit 13 flexible parts is all less than the lateral margin thickness of backlight 2.As shown in Figure 8, be the view of the utility model LCD embodiment 1.

In the foregoing description 1, by the recess of offering on the frame, flexible circuit and signal drive circuit plate can join with peripheral circuit from wherein stretching to come out to prepare.For guaranteeing that the signal drive circuit plate can pass through recess smoothly, the edge, the end of recess should keep below crystal liquid substrate, and the width of recess should keep the length greater than the signal drive circuit plate, the widelyest can equal the length that described framework is offered the inboard of described recess one side.

As shown in Figure 9, the synoptic diagram for the utility model LCD embodiment 1 encapsulates embeds the utility model LCD in the rear casing 7 earlier, and signal drive circuit plate 12 is fixed on the rear casing 7, connects outer lead, closes up front casing 6, finishes the encapsulation of LCD.

Embodiment 2:

As Figure 10, Figure 11 and shown in Figure 12, be the decomposition texture synoptic diagram of the utility model LCD embodiment 2 each ingredient, Figure 10 is the LCD unit structure synoptic diagram of the utility model LCD embodiment 2; Figure 11 is the back light source structure synoptic diagram of the utility model LCD embodiment 2; Figure 12 is the frame structure synoptic diagram of the utility model LCD embodiment 2.This embodiment LCD comprises: a liquid crystal display 1 comprises two signal drive circuit plates 12; One backlight 2 is fixedly arranged on the below of liquid crystal display 1; One framework 3, be located in liquid crystal display 1 and backlight 2 around liquid crystal display 1 and backlight 2 are entrenched togather, on the frame that signal drive circuit one side is arranged, offer with two signal drive circuit plates 12 corresponding respectively, two two recesses 5 that signal drive circuit plate 12 passes of confession.Liquid crystal display 1 also comprises: a crystal liquid substrate 11; Some flexible circuits 13 are arranged between crystal liquid substrate 11 and two the signal drive circuit plates 12; The end of two recesses 5, is along all being lower than crystal liquid substrate 11; The width of two recesses 5 is respectively greater than the length of each self-corresponding two signal drive circuit plate 12; The length of flexible circuit 13 flexible parts is all less than the lateral margin thickness of backlight 2.

In the foregoing description 2, by two recesses offering on framework, flexible circuit and two signal drive circuit plates can stretch respectively to come out to prepare from corresponding recess and join with peripheral circuit.For guaranteeing that two signal drive circuit plates can pass through corresponding recess smoothly, the width of two recesses should keep the length greater than each self-corresponding two signal drive circuit plate respectively along keeping below crystal liquid substrate at the end of two recesses.Certainly, recess can also be opened in respectively on the different edge of framework, and the quantity of recess also can correspondingly increase according to actual conditions, as long as recess is corresponding with the signal drive circuit plate.

With respect to existing LCD, above-mentioned the utility model LCD has been saved back of the body cover plate and has been used to settle the support of peripheral circuit, has alleviated the weight of LCD; The flexible circuit of the utility model LCD no longer needs to walk around the lateral margin of backlight, has promptly shortened the length of flexible circuit, has reduced the cost of LCD; The signal drive circuit plate of the utility model LCD also no longer needs to be fixedly arranged on the postnotum of backlight, has reduced the requirement to the components and parts size on the signal drive circuit plate, has reduced the thickness of LCD; The backlight of the utility model LCD and peripheral circuit branch are arranged, and can also promote radiating effect, make the duty of LCD more stable.In addition, the signal drive circuit plate of the utility model LCD is arranged at the below of crystal liquid substrate, can be connected with peripheral circuit easily, and particularly in notebook computer, this structure can make full use of the space of display screen.

It should be noted that at last: above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not break away from the spirit and scope of technical solutions of the utility model.

Claims

1. a LCD is characterized in that, comprising:

2. LCD according to claim 1 is characterized in that, described recess is one.

3. LCD according to claim 1 is characterized in that, described recess is a plurality of.

4. according to claim 1 or 3 described LCD, it is characterized in that described recess is opened in the same side of described framework.

5. according to claim 1 or 3 described LCD, it is characterized in that described recess is opened in the not homonymy of described framework.

6. according to the described arbitrary LCD of claim 1-3, it is characterized in that the end of described recess is along being lower than described crystal liquid substrate.

7. according to the described arbitrary LCD of claim 1-3, it is characterized in that the width of described recess is greater than the length of described signal drive circuit plate.

8. LCD according to claim 1 and 2 is characterized in that, the width of described recess equals the length that described framework is offered the inboard of described recess one side.

9. according to the described arbitrary LCD of claim 1-3, it is characterized in that the length of the flexible part of described flexible circuit is less than the lateral margin thickness of described backlight.