CN101667373B - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN101667373B CN101667373B CN2009101795397A CN200910179539A CN101667373B CN 101667373 B CN101667373 B CN 101667373B CN 2009101795397 A CN2009101795397 A CN 2009101795397A CN 200910179539 A CN200910179539 A CN 200910179539A CN 101667373 B CN101667373 B CN 101667373B
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- China
- Prior art keywords
- circuit board
- drive circuit
- display device
- covering part
- backboard
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Abstract
The invention relates to a display device comprising a liquid crystal display panel and a backlight module. The liquid crystal display panel comprises a display substrate, a drive circuit board and a flexible circuit board connecting the display substrate and the drive circuit board. The backlight module comprises a back panel and middle frames sleeved around the back panel. The back panel is made of conducting materials and the middle frames are made of insulating materials. The back panel is provided with a side wall formed by buckling. Each middle frame is provided with a covering part and a supporting part. The covering part covers the external surface of the side wall. The supporting part is used for supporting the display substrate. The drive circuit board is positioned on the external surface of the covering part. The covering part is provided with a through hole in which a conducting part is arranged. A conductor layer is arranged on the position of the drive circuit board and the position corresponds to the through hole. The conducting part connects the side wall and the conductor layer.
Description
[technical field]
The present invention relates to a kind of display device, particularly relate to a kind of liquid crystal indicator.
[background technology]
In recent years, comprise that (Liquid Crystal Display, LCD) technology has obtained development at full speed at interior flat panel display in liquid crystal display.Fig. 1 has illustrated the decomposing schematic representation of a kind of liquid crystal indicator of prior art.Display device as shown in Figure 1 comprises display panel and backlight module.Display panel comprises display base plate 11, drive circuit board 12 and connects the flexible circuit board 13 of described display base plate 11 and described drive circuit board 12; Backlight module has exiting surface 21 and a side 22; Display base plate 11 is positioned on the exiting surface 21, and drive circuit board 12 is positioned described side 22; Have a plurality of connecting holes 125 on the drive circuit board 12, side 22 is provided with a plurality of engaging posts 225, and a plurality of connecting holes 125 engage post 225 engagings with location drive circuit board 12 with a plurality of respectively.Backlight module itself is made of a plurality of assemblies.Fig. 2 illustrates display device shown in Figure 1 partial cutaway schematic along the S plane, and as shown in Figure 2, backlight module comprises backboard 23 and be set in described backboard 23 center all around that backboard 23 has the sidewall 231 that is bent to form; Described center has covering part 252 and support portion 251; Described covering part 252 covers the outside surface of described sidewall 231; Described support portion 251 in order to carry described display base plate 11 around; The edge of multi-layer optical membrane 24 is arranged on the supporting surface 232 that backboard 23 is bent to form, and support portion 251 is clamped in described multi-layer optical membrane 24 on the described supporting surface 232 simultaneously.Multi-layer optical membrane 24 is not promptly formed exiting surface 11 by the part that center covers.Aforementioned side 22 is the outside surface of described covering part 252, and described drive circuit board 12 is positioned at the outside surface of described covering part 252.Need to prove that the annexation of blooming piece and center, backboard has multiple choices in the prior art, just example shown in Figure 2.Because center is generally made by insulating material such as plastic cement, engineering plastics, be exactly that drive circuit board 12 does not have grounding path so there is a shortcoming in display device shown in Figure 1, be easy to generate electromagnetic interference (EMI).
[summary of the invention]
The purpose of this invention is to provide a kind of display device, it comprises display panels and backlight module.Described display panels comprises display base plate, drive circuit board and connects the flexible circuit board of described display base plate and described drive circuit board.Described backlight module comprises backboard and is set in center around the described backboard, and described backboard is made by conductor material, and described center is made by insulating material; Described backboard has the sidewall that is bent to form; Described center has covering part and support portion; Described covering part covers the outside surface of described sidewall; Described support portion is in order to carry described display base plate; Described drive circuit board is positioned at described covering part outside surface; Described covering part has through hole, is provided with conduction element in the described through hole, and the corresponding described lead to the hole site of described drive circuit board is provided with conductor layer; Described conduction element is communicated with described sidewall and described conductor layer.
As optional technical scheme, the convex closure of described conduction element on described sidewall, stamping out.
As optional technical scheme, described conduction element is a conducting foam.
As optional technical scheme, described backboard is a metal backing.
As optional technical scheme, described center is made by plastic material.
As optional technical scheme, described center has L type locating piece at described covering part outside surface, the described drive circuit board of described L type locating piece clamping.
Compared with prior art, the drive circuit board of display device of the present invention can be communicated with backboard by conduction element, thereby is grounded, and has improved anti-electromagnetic interference capability.
[description of drawings]
Fig. 1 has illustrated the decomposing schematic representation of a kind of liquid crystal indicator of prior art;
Fig. 2 illustrates display device shown in Figure 1 partial cutaway schematic along the S plane;
Fig. 3 illustrates the partial cutaway schematic of the display device of first kind of embodiment of the present invention;
Fig. 4 illustrates the partial cutaway schematic of the display device of second kind of embodiment of the present invention.
[embodiment]
Please refer to Fig. 3, Fig. 3 illustrates the partial cutaway schematic of the display device of first kind of embodiment of the present invention.The display device of present embodiment comprises display panels and backlight module.Described display panels comprises display base plate 51, drive circuit board 52 and connects the flexible circuit board (not illustrating) of described display base plate 51 and described drive circuit board 52.Described backlight module comprises backboard 63 and is set in center around the described backboard 63, and described backboard 63 is made by conductor material, and described center is made by insulating material; Described backboard 63 has the sidewall 631 that is bent to form; Described center has covering part 652 and support portion 651; Described covering part 652 covers the outside surface of described sidewall 631; Described support portion 651 is in order to carry described display base plate 51; Described drive circuit board 52 is positioned at the outside surface 62 of described covering part 652; Described covering part 652 has through hole 6521, is provided with conduction element 6311 in the described through hole 6521, and described drive circuit board 52 corresponding described through holes 6521 positions are provided with conductor layer 521; Described conduction element 6311 is communicated with described sidewall 631 and described conductor layer 521.Like this, drive circuit board 12 can be communicated with sidewall 631 by conduction element 6311, promptly is communicated with backboard 63, thereby is grounded, and has improved anti-electromagnetic interference capability.
In the present embodiment, the convex closure of described conduction element 6311 on described sidewall, stamping out, cost is lower like this.In other embodiments, conduction element can be conducting foam.In the present embodiment, described backboard is a metal backing, and is preferably aluminum alloy back plate.In the present embodiment, described center is made by plastic material.
Please refer to Fig. 4, Fig. 4 illustrates the partial cutaway schematic of the display device of second kind of embodiment of the present invention.The display device of present embodiment is on display device shown in Figure 3 basis, and its center has L type locating piece 6522 at described covering part 652 outside surfaces 62, the edge of the described drive circuit board 52 of described L type locating piece 6522 clampings.L type locating piece 6522 can substitute engaging post 225 of the prior art, realizes drive circuit board 52 is positioned at the effect of the outside surface 62 of described covering part 652.The display device of present embodiment also comprises preceding frame 71, and preceding frame 71 is set in around the described center, and with display base plate 51 by being pressed on the support portion 651.
Claims (6)
1. display device comprises:
Display panels and backlight module;
Described display panels comprises display base plate, drive circuit board and connects the flexible circuit board of described display base plate and described drive circuit board;
Described backlight module comprises backboard and is set in center around the described backboard, and described backboard is made by conductor material, and described center is made by insulating material; Described backboard has the sidewall that is bent to form; Described center has covering part and support portion; Described covering part covers the outside surface of described sidewall; Described support portion is in order to carry described display base plate; Described drive circuit board is positioned at described covering part outside surface;
It is characterized in that described covering part has through hole, be provided with conduction element in the described through hole, the corresponding described lead to the hole site of described drive circuit board is provided with conductor layer; Described conduction element is communicated with described sidewall and described conductor layer.
2. display device according to claim 1 is characterized in that the convex closure of described conduction element for stamping out on described sidewall.
3. display device according to claim 1 is characterized in that described conduction element is a conducting foam.
4. display device according to claim 1 is characterized in that described backboard is a metal backing.
5. display device according to claim 1 is characterized in that described center made by plastic material.
6. display device according to claim 1 is characterized in that described center has L type locating piece at described covering part outside surface, the described drive circuit board of described L type locating piece clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101795397A CN101667373B (en) | 2009-09-28 | 2009-09-28 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101795397A CN101667373B (en) | 2009-09-28 | 2009-09-28 | Display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101667373A CN101667373A (en) | 2010-03-10 |
| CN101667373B true CN101667373B (en) | 2011-07-27 |
Family
ID=41803976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101795397A Active CN101667373B (en) | 2009-09-28 | 2009-09-28 | Display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101667373B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI610157B (en) * | 2011-11-22 | 2018-01-01 | 友達光電股份有限公司 | Display device with systematic back plate |
| CN103133939B (en) * | 2011-11-30 | 2015-02-04 | 展晶科技(深圳)有限公司 | Light source structure of backlight module |
| TWI440939B (en) * | 2011-12-30 | 2014-06-11 | Au Optronics Corp | Display device |
| US8860903B2 (en) | 2012-10-31 | 2014-10-14 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device |
| CN102879932A (en) * | 2012-10-31 | 2013-01-16 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| TWI518649B (en) * | 2013-06-14 | 2016-01-21 | 友達光電股份有限公司 | Display module |
| CN106405903B (en) * | 2016-05-24 | 2020-04-21 | 重庆京东方显示照明有限公司 | Back plate, backlight module and display module |
| CN106950737A (en) * | 2017-04-05 | 2017-07-14 | 惠科股份有限公司 | Liquid crystal display |
| CN108922407B (en) * | 2018-09-11 | 2023-11-24 | 合肥京东方光电科技有限公司 | Display screen and display device |
| KR102613054B1 (en) * | 2018-10-24 | 2023-12-15 | 삼성전자주식회사 | Electronic device including antenna connected with conductive sheet of display panel |
| CN210722202U (en) * | 2019-12-31 | 2020-06-09 | 惠州视维新技术有限公司 | Display device |
| CN113570969B (en) * | 2021-07-23 | 2022-07-08 | 惠科股份有限公司 | Display device |
-
2009
- 2009-09-28 CN CN2009101795397A patent/CN101667373B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101667373A (en) | 2010-03-10 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yan Xinghuang Inventor after: Jiang Zhizhong Inventor before: Jiang Zhizhong Inventor before: Yan Xinghuang |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JIANG ZHIZHONG YAN XINGHUANG TO: YAN XINGHUANG JIANG ZHIZHONG |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |