CN202631911U - Liquid crystal display device with a light guide plate - Google Patents
Liquid crystal display device with a light guide plate Download PDFInfo
- Publication number
- CN202631911U CN202631911U CN2012203098440U CN201220309844U CN202631911U CN 202631911 U CN202631911 U CN 202631911U CN 2012203098440 U CN2012203098440 U CN 2012203098440U CN 201220309844 U CN201220309844 U CN 201220309844U CN 202631911 U CN202631911 U CN 202631911U
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- Prior art keywords
- lcd
- display panels
- framework
- lamp bar
- light unit
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- Expired - Lifetime
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Abstract
The utility model provides a liquid crystal display, position department through the frame at the unit in a poor light corresponding to the negative/positive electrode pad of lamp strip sets up the breach, and use the conducting resin to connect lamp strip and liquid crystal display panel electricity in breach department, and further through main flexible circuit board or bonding lead wire electric connection system mainboard and liquid crystal display panel, the light source of the unit in a poor light of electricity connection among the prior art and the less flexible printed circuit board's of main flexible circuit board use and the protruding problem that produces have been avoided, be favorable to frivolousization and the integration of liquid crystal display.
Description
Technical field
The utility model relates to the liquid crystal indicator technical field, relates in particular to a kind of LCD.
Background technology
LCD; Being a kind of flat-panel screens of par, is in daily life now, can be applied to considerable electrical appliance, for example the TV or the display device of computer; Display on the computing machine; Display screen on wrist-watch or the mobile phone, the display device of many controllers, or even the display panel of laser disc sound equipment.The range of application of LCD is so extensive, and the assembling between the electronic component is also just quite important.Most of LCD all can be electrically connected with system board via a flexible printed circuit board, wherein most importantly because have the control device of control LCD on the system board.System board mainly is to use printed circuit board (PCB) with required circuit layout above that, and present control device all is to use integrated circuit (IC) chip join by the semiconductor technology manufacturing on system board.
Shown in Figure 1A to 1C; Existing LCD 1 generally comprises display panels 11, back light unit 10 and a main flexible PCB 2; The periphery of LCD 1 has at least one area smaller flexible printed circuit board 12 for said main flexible PCB 2; One end of this less flexible printed circuit board 12 can be electrically connected to the pin of light source in the back light unit 10, and (sun/negative electrode pin, A/KPin), the other end can be electrically connected on the main flexible PCB 2.Though the connection of this mode can significantly reduce the volume of LCD assembling,, be unfavorable for the lightening and integrated of LCD because the existence of this less flexible printed circuit board 12 makes to occur convexity 121 on winner's flexible PCB 2.
The utility model content
The utility model proposes a kind of LCD, can avoid being electrically connected the use of less flexible printed circuit board of light source and the main flexible PCB of back light unit, helps the lightening and integrated of LCD.
In order to achieve the above object, the utility model proposes a kind of LCD, comprises display panels, the system board that is electrically connected with said display panels and the back light unit that carries said display panels, and wherein, said back light unit comprises:
The framework that holds said display panels, said frame side wall are provided with two breach;
As the lamp bar of said back light unit light source, be positioned at the said framework of said display panels below, said lamp bar is provided with two and is entrenched in said two breach respectively and the electronic pads that protrudes to said framework outside;
Be used to be electrically connected the conducting resinl of said lamp bar and said display panels, be attached to respectively on the electronic pads and said display panels of said two indentation, there.
Further, said lamp bar is provided with a plurality of organic light emitting diodes as said back light unit light source.
Further, said lamp bar and said framework are fitted through adhesive tape and are fixed together.
Further, said framework comprises the inside and outside double-deck mount structure that nests together, and skin is chase, and internal layer is the glue frame.
Further, said glue frame and said lamp bar are fixed together.
Further, said electronic pads is anode pad or negative electrode pad.
Further, said lamp bar is a printed circuit board (PCB).
Further, said display panels is respectively equipped with conductive pad near the position of two breach of said framework, and said conducting resinl is attached on the electronic pads and conductive pad of each indentation, there.
Further, said conducting resinl is an elargol.
Further, said display panels is electrically connected through a main flexible PCB or bonding wire with said system board.
Further, said back light unit comprises that also one is positioned at said framework and is used to reflect the reflection of light plate that said lamp bar sends, and said reflecting plate is positioned at the below of said lamp bar.
Further, said back light unit comprises that also one is positioned at said framework and is used to conduct the LGP of the light that said lamp bar sends, said LGP between said display panels and the said reflecting plate and be positioned at said lamp bar below or a side.
Further, said back light unit comprises that also one is positioned at the diffuser plate of said framework, and said diffuser plate is between said display panels and said LGP.
Further, said back light unit comprises that also one is positioned at first prismatic panel of said framework, and the said first prismatic u plate is between said display panels and said diffuser plate.
Further; Said back light unit comprises that also one is positioned at second prismatic panel of said framework; Said second prismatic panel is between said display panels and said first prismatic panel, and the groove arrangement direction of said second prismatic panel becomes 90 degree with the groove arrangement direction of said first prismatic panel.
Further; Said LCD also comprises first Polarizer that is positioned at said display panels below and is used to control the polarisation of light direction that is incident to said display panels and is positioned at said liquid crystal panel top and is used to control second Polarizer from the polarisation of light direction of said display panels outgoing that said first Polarizer is positioned at above second prismatic panel of said framework.
Compared with prior art; The LCD of the utility model; Framework through at back light unit is offered breach corresponding to the position of the moon/anode of liquid crystal panel; And use conducting resinl lamp bar and display panels to be electrically connected in indentation, there; And further through main flexible PCB or bonding wire electrical connection system mainboard and display panels, avoided being electrically connected the use of a less flexible printed circuit board of light source in main flexible PCB and the back light unit in the prior art and the protrusion problem that produces, help the lightening and integrated of LCD.
Description of drawings
Be respectively front, the back side and the side structure synoptic diagram of LCD in the prior art shown in Figure 1A to Fig. 1 C;
Fig. 2 A to 2B is depicted as the structural representation of the LCD of the utility model specific embodiment;
Shown in Figure 3 is the structural representation of the back light unit of the utility model specific embodiment;
Be respectively the back side and the Facad structure synoptic diagram of the lamp bar of the utility model specific embodiment shown in Fig. 4 A and Fig. 4 B;
Be respectively the structural representation and the local enlarged diagram of back light unit of the unassembled the superiors black and white double sticky tape of the utility model specific embodiment shown in Fig. 5 A and Fig. 5 B;
Be respectively the structural representation and the local enlarged diagram of back light unit of the completion assembling of the utility model specific embodiment shown in Fig. 6 A and Fig. 6 B;
Be respectively the liquid crystal panel of the utility model specific embodiment and the package assembly synoptic diagram of back light unit and system board shown in Fig. 7 A to 7B;
Be respectively the vertical view and the stereographic map of junction of liquid crystal panel and the back light unit of the utility model specific embodiment shown in Fig. 8 A to 8B.
Embodiment
In order more to understand the technology contents of the utility model, special act specific embodiment also cooperates appended illustrating as follows.
Please refer to Fig. 2 A, 2B and Fig. 8 A, 8B; The utility model proposes a kind of LCD, the system board that comprise display panels 11, preferably is electrically connected with said display panels 11 through a main flexible PCB 2 and carry said display panels 11 and back light unit 10 that the conducting resinl 12 at the positive and negative utmost point pin place through being located at light source is electrically connected with said display panels 11.Wherein, in the LCD shown in Fig. 2 A, main flexible PCB 2 is positioned at a side of display panels 11 and back light unit 10; In the LCD shown in Fig. 2 B, main flexible PCB 2 is positioned at the back side of display panels 11 and back light unit 10.
The back light unit 10 of the utility model comprises the optical element that sidewall is provided with the framework of two breach and is positioned at framework.Preferably, this optical element is the lamp bar as said back light unit 10 light sources.Said lamp bar has electronic pads A, the K of two protrusions, and two breach of said framework are used for electronic pads A, the K of these two protrusions of corresponding placement.In addition, back light unit 10 also comprises the conducting resinl that is used to be electrically connected lamp bar and display panels, is attached to respectively on the electronic pads and said display panels of said two indentation, there.
Preferably, shown in Fig. 5 B, said framework comprises the inside and outside double-deck mount structure that nests together, and skin is chase 100a, and internal layer is glue frame 100b.
Further; Please refer to Fig. 3; The back light unit of this enforcement comprises: by chase 100a and the nested framework that forms of glue frame 100b and be positioned at framework like lower component: be used for catoptrical reflecting plate 101,, be used to conduct the LGP 102 of the light that said lamp bar 103 sends as the lamp bar 103 of said back light unit light source; The equally distributed diffuser plate 104 of light that is used to make LGP 102 to penetrate is used for first prismatic panel 105, second prismatic panel 106 of unified emergent light shooting angle.The black and white double sticky tape 107 that plays shading and sealing function that is coated on second prismatic panel 106 is used to paste display panels and back light unit.
Need to prove that said reflecting plate 101 can be as required, as shown in Figure 3 being arranged between double-deck mount structure inner the chase 100a and glue frame 100b also can be arranged between the double-deck mount structure of being made up of chase 100a and glue frame 100b and lamp bar 103.
Further; Said LCD also comprises first Polarizer that is positioned at said display panels below and is used to control the polarisation of light direction that is incident to said display panels and is positioned at said liquid crystal panel top and is used to control second Polarizer from the polarisation of light direction of said display panels outgoing, and said first Polarizer is positioned at second prismatic panel, 106 tops of said framework and seals with second prismatic panel 106 through black and white double sticky tape 107 and sticks on.
Please refer to Fig. 4 A and 4B and Fig. 3; The lamp bar 103 of present embodiment is provided with in two two breach that are entrenched in framework respectively and to electronic pads A, the K of the outside protrusion of said framework, its one side is provided with a plurality of organic light emitting diodes as said back light unit light source (OLED) 103a.The mode that lamp bar 103 can be fitted through adhesive tape, with said frame fixation together, also can pass through other usual ways, as chimeric, with said frame fixation together.In side entering type LED-backlit unit, the mode that lamp bar 103 is fitted through adhesive tape is arranged on a side of LGP 102; In the direct-light type LED backlight unit, the mode that lamp bar 103 is fitted through adhesive tape is arranged at the below of LGP 102.Preferably, lamp bar 103 is arranged on a side of LGP 102.
Please refer to Fig. 3 and Fig. 5 A, 5B; In the present embodiment, adopt side entering type LED-backlit unit, be assembled into reflecting plate 101 in the framework earlier; Then lamp bar 103 being provided with one of OLED faces down; Be fixed in the framework near a side of two breach of framework, the electronic pads A of lamp bar 103, K ride over two indentation, there of framework 100a, 100b, LGP 102 are positioned in the framework of lamp bar opposite side again.
Please refer to Fig. 3 and Fig. 6 A, 6B, in the present embodiment, diffuser plate 104, first prismatic panel 105 and second prismatic panel 106 are assembled in the framework successively, two electronic pads A of lamp bar 103, K are exposed to two indentation, there of framework 100a, 100b all the time; Then, can coat black and white double sticky tape 107, so that display panels and 106 sealings of second prismatic panel are pasted at second prismatic panel, 106 edges.
Preferably, the groove arrangement direction of second prismatic panel 106 becomes 90 degree with the groove arrangement direction of first prismatic panel 105.
Please refer to Fig. 7 A, 7B, 8A and 8B; In the present embodiment; The display panels 11 that will have two conductive pads 110 is packed in the framework; Two conductive pads 110 are placed near the position of two breach of said framework and are corresponding respectively with two electronic pads A, the K of lamp bar, and the back side of display panels 11 is adhesively fixed through black and white double sticky tape 107 and back light unit 10; At two conductive pads of display panels 11 and two electronic pads A, the last attaching of the K conducting resinl 12 of lamp bar, this conducting resinl 12 is preferably elargol then.At this moment, said conducting resinl 12 is attached on the electronic pads and conductive pad 110 of each indentation, there, and the lamp bar is electrically connected through conducting resinl 12 with display panels 11; The structure of then display panels 11 and back light unit 10 being formed 1 and system board are through perhaps being electrically connected of bonding wire realization display panels 11 and system board of main flexible PCB 2; Wherein main flexible PCB 2 can be placed on the back side of back light unit 10, also can be placed on a side of back light unit 10.
As the distortion of above embodiment, said lamp bar also can be a printed circuit board (PCB).
In sum; The LCD of the utility model; Framework through at back light unit is offered breach corresponding to the position of the moon/positive electricity polar cushion of lamp bar; And use conducting resinl lamp bar and display panels to be electrically connected in indentation, there; And further through main flexible PCB or lead-in wire electrical connection system mainboard and display panels, avoided being electrically connected in the prior art back light unit light source and main flexible PCB less flexible printed circuit board use and the protrusion problem that produces helps the lightening and integrated of LCD.
Though the utility model discloses as above with preferred embodiment; Right its is not in order to limit the utility model; Has common knowledge the knowledgeable in the technical field under any; In spirit that does not break away from the utility model and scope, when can doing a little change and retouching, so the protection domain of the utility model is as the criterion when looking claims person of defining.
Claims (16)
1. a LCD comprises display panels, the system board that is electrically connected with said display panels and the back light unit that carries said display panels, it is characterized in that said back light unit comprises:
The framework that holds said display panels, said frame side wall are provided with two breach;
As the lamp bar of said back light unit light source, be positioned at the said framework of said display panels below, said lamp bar is provided with two and is entrenched in said two breach respectively and the electronic pads that protrudes to said framework outside;
Be used to be electrically connected the conducting resinl of said lamp bar and said display panels, be attached to respectively on the electronic pads and said display panels of said two indentation, there.
2. LCD as claimed in claim 1 is characterized in that, said lamp bar is provided with a plurality of organic light emitting diodes as said back light unit light source.
3. LCD as claimed in claim 1 is characterized in that, said lamp bar and said framework are fitted through adhesive tape and be fixed together.
4. LCD as claimed in claim 1 is characterized in that, said framework comprises the inside and outside double-deck mount structure that nests together, and skin is chase, and internal layer is the glue frame.
5. LCD as claimed in claim 4 is characterized in that, said glue frame and said lamp bar are fixed together.
6. LCD as claimed in claim 1 is characterized in that, said electronic pads is anode pad or negative electrode pad.
7. LCD as claimed in claim 1 is characterized in that, said lamp bar is a printed circuit board (PCB).
8. LCD as claimed in claim 1 is characterized in that, said display panels is respectively equipped with conductive pad near the position of two breach of said framework, and said conducting resinl is attached on the electronic pads and conductive pad of each indentation, there.
9. LCD as claimed in claim 1 is characterized in that, said conducting resinl is an elargol.
10. LCD as claimed in claim 1 is characterized in that, said display panels is electrically connected through a main flexible PCB or bonding wire with said system board.
11. like any described LCD of claim among the claim 1-10; It is characterized in that; Said back light unit comprises that also one is positioned at said framework and is used to reflect the reflection of light plate that said lamp bar sends, and said reflecting plate is positioned at the below of said lamp bar.
12. LCD as claimed in claim 11; It is characterized in that; Said back light unit comprises that also one is positioned at said framework and is used to conduct the LGP of the light that said lamp bar sends, said LGP between said display panels and the said reflecting plate and be positioned at said lamp bar below or a side.
13. LCD as claimed in claim 12 is characterized in that, said back light unit comprises that also one is positioned at the diffuser plate of said framework, and said diffuser plate is between said display panels and said LGP.
14. LCD as claimed in claim 13 is characterized in that, said back light unit comprises that also one is positioned at first prismatic panel of said framework, and said first prismatic panel is between said display panels and said diffuser plate.
15. LCD as claimed in claim 14; It is characterized in that; Said back light unit comprises that also one is positioned at second prismatic panel of said framework; Said second prismatic panel is between said display panels and said first prismatic panel, and the groove arrangement direction of said second prismatic panel becomes 90 degree with the groove arrangement direction of said first prismatic panel.
16. LCD as claimed in claim 15; It is characterized in that; Said LCD also comprises first Polarizer that is positioned at said display panels below and is used to control the polarisation of light direction that is incident to said display panels and is positioned at said liquid crystal panel top and is used to control second Polarizer from the polarisation of light direction of said display panels outgoing that said first Polarizer is positioned at above second prismatic panel of said framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203098440U CN202631911U (en) | 2012-06-28 | 2012-06-28 | Liquid crystal display device with a light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203098440U CN202631911U (en) | 2012-06-28 | 2012-06-28 | Liquid crystal display device with a light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202631911U true CN202631911U (en) | 2012-12-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203098440U Expired - Lifetime CN202631911U (en) | 2012-06-28 | 2012-06-28 | Liquid crystal display device with a light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202631911U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489379A (en) * | 2013-09-27 | 2014-01-01 | 京东方科技集团股份有限公司 | Display unit |
| CN103605238A (en) * | 2013-11-25 | 2014-02-26 | 广东欧珀移动通信有限公司 | Liquid crystal display screen and backlight module for same |
| WO2016086475A1 (en) * | 2014-12-02 | 2016-06-09 | 深圳市华星光电技术有限公司 | Liquid crystal display module and manufacturing method thereof |
| CN107065298A (en) * | 2016-12-22 | 2017-08-18 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN104464557B (en) * | 2013-09-24 | 2019-07-12 | 夏展敏 | A kind of edge shows the scheme integrated with liquid crystal display |
| CN110609416A (en) * | 2019-08-26 | 2019-12-24 | 武汉华星光电技术有限公司 | Liquid crystal display screen |
-
2012
- 2012-06-28 CN CN2012203098440U patent/CN202631911U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464557B (en) * | 2013-09-24 | 2019-07-12 | 夏展敏 | A kind of edge shows the scheme integrated with liquid crystal display |
| CN103489379A (en) * | 2013-09-27 | 2014-01-01 | 京东方科技集团股份有限公司 | Display unit |
| CN103605238A (en) * | 2013-11-25 | 2014-02-26 | 广东欧珀移动通信有限公司 | Liquid crystal display screen and backlight module for same |
| WO2016086475A1 (en) * | 2014-12-02 | 2016-06-09 | 深圳市华星光电技术有限公司 | Liquid crystal display module and manufacturing method thereof |
| US10073213B2 (en) | 2014-12-02 | 2018-09-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display module and method for manufacturing the same |
| CN107065298A (en) * | 2016-12-22 | 2017-08-18 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN107065298B (en) * | 2016-12-22 | 2020-02-14 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN110609416A (en) * | 2019-08-26 | 2019-12-24 | 武汉华星光电技术有限公司 | Liquid crystal display screen |
| CN110609416B (en) * | 2019-08-26 | 2022-03-01 | 武汉华星光电技术有限公司 | Liquid crystal display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
|
| CX01 | Expiry of patent term |