CN202886790U

CN202886790U - Liquid crystal module (LCM)

Info

Publication number: CN202886790U
Application number: CN 201220518354
Authority: CN
Inventors: 乔伟雄
Original assignee: Wuxi Booyi Optoelectronics Science and Technology Co Ltd
Current assignee: Guangdong Jinlong electromechanical Co., Ltd.
Priority date: 2012-10-10
Filing date: 2012-10-10
Publication date: 2013-04-17
Anticipated expiration: 2022-10-10

Abstract

The utility model provides a liquid crystal module (LCM) which comprises a back plate, a liquid crystal display panel arranged in the back plate, a flexible circuit board which is electrically connected with the liquid crystal display panel, and a plurality of light-emitting diode (LED) lamps which fit in with and are electrically connected with the flexible circuit board. The flexible circuit board comprises a first board part and a second board part connected with the first board part, and the LED lamps are installed and electrically connected on the second board part. The first board part and the second board part are formed in an integrated mode. The LCM fits the LED lamps on the flexible circuit board directly, avoids the arrangement of bonding pads and adhesive tapes in the prior art, effectively reduces the thickness of the LCM, and brings convenience for the thinning of a LCM product.

Description

The LCM module

Technical field

The utility model relates to field of liquid crystal display, relates in particular to a kind of LCM module.

Background technology

LCM module (LCD Module, LCD shows module) comprises the assemblies such as display panels, integrated circuit, backlight module, FPC.Wherein display panels itself can not be luminous, must come show image by external light emitting source, and the function of backlight module is exactly to provide the area source that brightness is sufficient and be evenly distributed to display panels, makes the display panels normal operation.Side entrance back and the direct-type backlight of generally comprising backlight, undersized LCM module generally adopts side entering type LED(Light Emitting Diode, light emitting diode) backlight, the LED lamp fits in FPC(Free PascalCompiler backlight, FPC) on, FPC backlight is welded on the main FPC again.

As shown in Figure 1, existing LCM module comprises backboard 100, is installed on the FPC300 backlight in the backboard 100, the main FPC900 that fits in the LED lamp 500 on the FPC300 backlight and weld by pad 700 with FPC300 backlight, because all there are certain thickness in FPC300 backlight and pad 700, cause the integral thickness of existing LCM module thicker, reach 1.55-1.75mm, be difficult to satisfy the LCM module to the requirement of slimming development.

The utility model content

The purpose of this utility model is to provide a kind of LCM module, and the LED lamp directly is arranged on the FPC, and is simple in structure, is beneficial to slimming.

For achieving the above object, the utility model provides a kind of LCM module, comprise: backboard, be located at the display panels in the backboard, be electrically connected at FPC and the applying of display panels and be electrically connected at several LED lamps on the FPC, described FPC comprises the first board and is connected in the second board of this first board, described LED lamp is installed and is electrically connected on the second board one-body molded the making of described first and second board.

Also comprise the light guide plate of being located in the backboard, described backboard comprises the side plate of base plate and connecting bottom board, the end face that described light guide plate comprises towards the base plate bottom surface, be oppositely arranged with the bottom surface and be connected the bottom surface and several sides of end face has at least one to be incidence surface in these several sides.

The corresponding described incidence surface of described the second board is located on the base plate of backboard.

Corresponding the first board of described side plate is provided with an opening, and this first board passes this opening bending in the outside surface of base plate, is used for connecting external circuit.

Also comprise be located at the glue frame in the backboard and be located at backboard and bottom surface of light guide plate between reflector plate.

Described display panels comprises first substrate and the second substrate that fit to arrange, and described first substrate is formed with cut different unit with marginal position second substrate, and described FPC is electrically connected at display panels in this cut different unit.

The beneficial effects of the utility model: LCM module that the utility model provides, the LED lamp is directly fitted on the FPC, avoided the setting of pad and adhesive tape in the prior art, effectively reduce the thickness of LCM module, be beneficial to the slimming of LCM product.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, the utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing, by embodiment of the present utility model is described in detail, will make the technical solution of the utility model and other beneficial effect apparent.

In the accompanying drawing,

Fig. 1 is the side partial sectional view of existing LCM module;

Fig. 2 is the side partial sectional view of the utility model LCM module;

Fig. 3 is the rear view of the utility model LCM module;

Fig. 4 is that the LED lamp of the utility model LCM module fits in the assembling schematic diagram on the FPC.

Embodiment

Technological means and the effect thereof taked for further setting forth the utility model are described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.

See also Fig. 2, the LCM module that the utility model provides, comprise: backboard 2, be located at the display panels 4 in the backboard 2, be electrically connected at the FPC 6 of display panels 4 and fit and be electrically connected at several LED lamps 8 on the FPC 6, described FPC 6 comprises the first board 62 and is connected in the second board 64 of this first board 62, described LED lamp 8 is installed and is electrically connected on the second board 64 described first and

second board

62,64 one-body molded making.LED lamp 8 of the present utility model directly is attached on the FPC 6, has avoided the use of pad and adhesive tape in the prior art, the effective thickness of attenuate LCM module, and in the present embodiment, the thickness of described LCM module is 1.45-1.65mm.

Described LCM module also comprises the light guide plate 3 of being located in the backboard 2, described backboard 2 comprises the side plate 24 of base plate 22 and connecting bottom board 22, the end face 34 that described light guide plate 3 comprises towards base plate 22 bottom surfaces 32, be oppositely arranged with bottom surface 32 and be connected several sides of bottom surface 32 and end face 34 has at least one to be incidence surface 36 in these several sides.Described the second board 64 corresponding described incidence surfaces 36 are located on the base plate 22 of backboard 2.

Described side plate 24 corresponding the first boards 62 are provided with an opening 242, and this first board 62 passes these opening 242 bendings in the outside surface of base plate 22, are used for connecting external circuit.

Described LCM module also comprise be located at the glue frame (not shown) in the backboard 2 and be located at backboard 2 base plates 22 and light guide plate 3 bottom surfaces 32 between reflector plate (not shown).

Described display panels 4 comprises the first substrate 42 and second substrate 44 of fitting and arranging, the marginal position with second substrate 44 of described first substrate 42 is formed with cut different unit 424, described FPC 6 is electrically connected at display panels 4 in this cut different unit 424, is used for driving this display panels 4.

In sum, the LCM module that the utility model provides directly fits in the LED lamp on the FPC, has avoided the setting of pad and adhesive tape in the prior art, effectively reduces the thickness of LCM module, is beneficial to the slimming of LCM product.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model claim.

Claims

1. LCM module, it is characterized in that, comprise: backboard, be located at the display panels in the backboard, be electrically connected at FPC and the applying of display panels and be electrically connected at several LED lamps on the FPC, described FPC comprises the first board and is connected in the second board of this first board, described LED lamp is installed and is electrically connected on the second board one-body molded the making of described first and second board.

2. LCM module as claimed in claim 1, it is characterized in that, also comprise the light guide plate of being located in the backboard, described backboard comprises the side plate of base plate and connecting bottom board, the end face that described light guide plate comprises towards the base plate bottom surface, be oppositely arranged with the bottom surface and be connected the bottom surface and several sides of end face has at least one to be incidence surface in these several sides.

3. LCM module as claimed in claim 2 is characterized in that, the corresponding described incidence surface of described the second board is located on the base plate of backboard.

4. LCM module as claimed in claim 3 is characterized in that, corresponding the first board of described side plate is provided with an opening, and this first board passes this opening bending in the outside surface of base plate, is used for connecting external circuit.

5. LCM module as claimed in claim 2 is characterized in that, also comprise be located at the glue frame in the backboard and be located at backboard and bottom surface of light guide plate between reflector plate.

6. LCM module as claimed in claim 1, it is characterized in that, described display panels comprises first substrate and the second substrate of fitting and arranging, described first substrate be formed with cut different unit with marginal position second substrate, described FPC is electrically connected at display panels in this cut different unit.