CN101799594A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN101799594A CN101799594A CN200910005663A CN200910005663A CN101799594A CN 101799594 A CN101799594 A CN 101799594A CN 200910005663 A CN200910005663 A CN 200910005663A CN 200910005663 A CN200910005663 A CN 200910005663A CN 101799594 A CN101799594 A CN 101799594A
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- CN
- China
- Prior art keywords
- liquid crystal
- aerofoil profile
- profile sheet
- tongue piece
- inside casing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a liquid crystal display device, which comprises an inside casing, a backlight module, a liquid crystal panel and an outline border, wherein the liquid crystal panel and the backlight module are arranged in the inside casing in an overlapping mode; the liquid crystal panel is electrically connected with a flexible printed circuit board; the flexible printed circuit board is provided with at least one tongue piece; the tongue piece is provided with at least one grounding pad; at least one airfoil fin is arranged on the outline border; the outline border and the airfoil fin are made of conductive materials, and the position of the airfoil fin corresponds to that of the tongue piece; the outline border covers the inside casing; the backlight module and the liquid crystal panel are clamped between the outline border and the inside casing; and the flexible printed circuit board protrudes out of the inside casing and the outline border, and the airfoil fin is bent and pushed against the surface of the tongue piece, so that the airfoil fin comes into contact with the grounding pad to form electrical conduction.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator, especially finger is a kind of is provided with the aerofoil profile sheet in housing, and the collocation flexible printed wiring board has the tongue piece design of ground mat, and the electrostatic discharge protective effect can effectively be provided, and its liquid crystal indicator simple in structure, low cost of manufacture.
Background technology
Liquid crystal indicator is owing to have that external form is frivolous, power consumption is few and characteristic such as low radiation pollution, be widely used in information products such as mobile phone, mobile computer, personal digital assistant and thin, planar TV, but because the electronic installation thin type turns to trend of the times, and need to support that Zhi Gongneng is various, cause static discharge (ESD, Electrostatic Discharge) problem to increase day by day.
See also the structure of a kind of known liquid crystal indicator shown in Figure 1, this liquid crystal indicator 10 comprises one first framework 11 and one second framework 12, this first framework 11 and this second framework 12 adopt the metal material with electric conductivity usually, in this first framework 11, be provided with a backlight module 13, between this backlight module 13 and this first framework 11, be provided with a liquid crystal panel (not shown), this liquid crystal panel is electrically connected at a flexible printed wiring board 14, this flexible printed wiring board 14 is reflexeds and is posted by this backlight module 13, and see through double sticky tape 15 this flexible printed wiring board 14 is fixedly sticked in this backlight module 13, to avoid this flexible printed wiring board 14 reflex actions; Be provided with a ground mat (GND Pad) 141 in this flexible printed wiring board 14 towards the one side of this second framework 12, this ground mat 141 is formed by these flexible printed wiring board 14 exposed conductive layers partly, and should be provided with a shell fragment 121 in ground mat 141 positions in 12 pairs of this second frameworks, this shell fragment 121 is one-body molded with this second framework 12, when this second framework 12 is covered at this first framework 11, this shell fragment 121 can contact with this ground mat 141, and with electrostatic guide to this liquid crystal indicator 10, reach the electrostatic discharge protective effect by this.But the existing shortcoming of said structure is:
One, is only applicable to the structure of this flexible printed wiring board reflexed of icon, can't be applied to divide the flexible printed wiring board that convexedly stretches in outside the liquid crystal indicator to the LCD MODULE back side.
Two, be only applicable to be provided with the liquid crystal indicator of back of the body frame (that is this second framework 12 shown in Figure 1), yet be not that all liquid crystal indicators are equipped with back of the body frame.
Three, this shell fragment 121 because elastic fatigue, distortion or moulding are bad etc. former thereby cause and 141 loose contacts of this ground mat, influences the electrostatic discharge protective effect easily.
Summary of the invention
Because the disappearance of known technology, the present invention proposes a kind of structure of liquid crystal indicator, in housing the tongue piece design that aerofoil profile sheet collocation flexible printed wiring board has ground mat is set, the electrostatic discharge protective effect can effectively be provided, and its simple in structure, low cost of manufacture.
For achieving the above object, the present invention proposes a kind of liquid crystal indicator, it comprises an inside casing, one backlight module, one liquid crystal panel and a housing, this liquid crystal panel and backlight module are to stack in this inside casing, this liquid crystal panel electrically connects a flexible printed wiring board, this flexible printed wiring board is provided with at least one tongue piece, this tongue piece has at least one ground mat, be provided with at least one aerofoil profile sheet in this housing, this housing and aerofoil profile sheet are to adopt conductive material, and the position of this aerofoil profile sheet is the position corresponding to this tongue piece, this housing is to cover at this inside casing outside, this backlight module and liquid crystal panel be located in this housing and inside casing between, this flexible printed wiring board convexedly stretches in outside this inside casing and the housing, this aerofoil profile sheet is pressed against this tongue piece surface, and this aerofoil profile sheet contacts with this ground mat to form and electrically conducts.
Description of drawings
Fig. 1 is the structure stereographic map of known liquid crystal indicator.
Fig. 2 is the Facad structure exploded perspective view of the embodiment of the invention.
Fig. 3 is the Facad structure combination stereogram of Fig. 2 embodiment
Fig. 4 is the structure combination stereogram of Fig. 2 embodiment
Fig. 5 is the structural representation that Fig. 2 embodiment bends the aerofoil profile sheet.
Fig. 6 is the A-A sectional structure chart of Fig. 5.
Symbol description
Prior art:
10-liquid crystal indicator 11-first framework
The 12-second framework 121-shell fragment
13-backlight module 14-flexible printed wiring board
141-ground mat (GND Pad) 15-double sticky tape
The present invention:
30-liquid crystal indicator 31-inside casing
311-underframe face 3111-hollow part
312a～d-underframe side plate 313-hook groove
314-recess 32-housing
321-top frame face 3211-hollow part
322a～d-housing side plate 3221-groove
323-aerofoil profile sheet 3231-projective structure
324-grab 33-backlight module
34-liquid crystal panel 35-flexible printed wiring board
351-tongue piece 3511-tail end
Saturating dead slot 353a-first ground mat of 352-
The 353b-second ground mat L-aerofoil profile leaf length bearing of trend
Embodiment
See also Fig. 2 to embodiment of the invention structural drawing shown in Figure 4, this liquid crystal indicator 30 comprises an inside casing 31, this inside casing 31 is by a underframe face 311 (being shown in Fig. 4) and is arranged at the plural underframe side plate 312a of these underframe face 311 peripheries～d and constitutes, be provided with a hollow part 3111 in this underframe face 311, prior to a backlight module 33 (being shown in Fig. 4) is set in this inside casing 31, this backlight module 33 can expose to this hollow part 3111 of this underframe face 311, stack a liquid crystal panel 34 in these backlight module 33 end faces again, this liquid crystal panel 34 electrically connects a flexible printed wiring board 35, this flexible printed wiring board 35 is to convexedly stretch in this inside casing 31 outsides, be provided with a tongue piece 351 in this flexible printed wiring board 35, this tongue piece 351 has a tail end 3511, this tail end 3511 is to separate with this flexible printed wiring board 35, mandatory declaration be, the size of this tongue piece 351, shape and molding mode thereof are also unrestricted, present embodiment is to be provided with in this flexible printed wiring board 35 to be without exception " U " type saturating dead slot 352 and form this rectangular tongue piece 351, tail end 3511 in this tongue piece 351 is provided with one first ground mat 353a, and be provided with one second ground mat 353b in these tongue piece 351 about middle section positions, this first ground mat 353a, the second ground mat 353b is formed by these flexible printed wiring board 35 exposed conductive layers partly.
Secondly, this liquid crystal indicator 30 more comprises a housing 32, this housing 32 is to be made of a top frame face 321 and plural housing side plate 322a～d of being arranged at these top frame face 321 peripheries, be provided with a hollow part 3211 in this top frame face 321, a wherein housing side plate 322a of this housing 32 protrudes out the position corresponding to this flexible printed wiring board 35 and is provided with a groove 3221, be provided with an aerofoil profile sheet 323 in this groove 3221, the position of this aerofoil profile sheet 323 is tongue piece 351 positions corresponding to this flexible printed wiring board 35, this aerofoil profile sheet 323 has a length, the bearing of trend L of this length generally is vertical with the surface of this liquid crystal panel 34, this aerofoil profile sheet 322 and this housing 32 are to adopt conductive material, and this this aerofoil profile sheet 323 can be one-body molded with this housing 32, in addition, be provided with a projective structure 3231 in the stage casing of this aerofoil profile sheet 323, this projective structure 3231 is to be a ball face structure by the medial surface projection of this aerofoil profile sheet 323, after its effect will be illustrated in.
As shown in Figure 2, be provided with the grab 324 and the hook groove 313 that can engage mutually between this housing 32 and this inside casing 31, this housing 32 is covered at this inside casing 31 outsides, and the grab 324 and the hook groove 313 mutual hooks that see through correspondence position are established, this housing 32 and this inside casing 31 are mutually combined, aspect as shown in Figures 3 and 4, and this backlight module 33 and this liquid crystal panel 34 are located between this housing 32 and this inside casing 31, this liquid crystal panel 34 can be revealed in this hollow part 3211, and this flexible printed wiring board 35 is to convexedly stretch in outside the groove 3221 of this inside casing 31 and housing 32, simultaneously, this aerofoil profile sheet 323 is suppressed in this tongue piece 351 surfaces, make this tongue piece 351 follow the length bearing of trend L bending of this aerofoil profile sheet 323, for this aerofoil profile sheet 323 can with this first ground mat 353a, second ground mat 353b contact, and this projective structure 3231 is corresponding to this second ground mat 353b.
See also Fig. 4 to shown in Figure 6, be provided with a recess 314 in this inside casing 31 corresponding to the position of this aerofoil profile sheet 323, with the reflexed of this aerofoil profile sheet 323 towards this backlight module 33, this aerofoil profile sheet 323 can be suppressed in this tongue piece 351, and with this tongue piece 351, this first ground mat 353a clamping is between this recess 314 of this aerofoil profile sheet 323 and this inside casing 31, this projective structure 3231 can be resisted against this second ground mat 353b (as shown in Figure 6) simultaneously, and this tongue piece 351, the summation of the first ground mat 353a and these aerofoil profile sheet 323 thickness is not more than the degree of depth of this recess 314, protrudes this underframe face 311 to avoid aerofoil profile sheet 323 end faces; In addition; because this aerofoil profile sheet 323 is one-body molded with this housing 32; and has electric conductivity; and this first ground mat 353a, the second ground mat 353b are formed by these flexible printed wiring board 35 exposed conductive layers partly; therefore; contact with this first ground mat 353a, the second ground mat 353b to form by this aerofoil profile sheet 323 and electrically conduct, can reach electrostatic protective function with the electrostatic guide of this flexible circuit board 35 to this housing 32.
In sum, liquid crystal indicator provided by the invention, the tongue piece with ground mat that aerofoil profile sheet collocation flexible printed wiring board is set in housing designs, and can effectively provide the electrostatic discharge protective effect really, and its simple in structure, low cost of manufacture.
Claims (10)
1. a liquid crystal indicator is characterized in that, comprises:
One inside casing;
One backlight module, this backlight module are to be arranged in this inside casing;
One liquid crystal panel, this liquid crystal panel are to be arranged in this inside casing and to stack on this backlight module, and this liquid crystal panel electrically connects a flexible printed wiring board, and this flexible printed wiring board is provided with at least one tongue piece, and this tongue piece has at least one ground mat;
One housing, this housing is provided with at least one aerofoil profile sheet, this housing and aerofoil profile sheet are to adopt conductive material, and this aerofoil profile sheet is the tongue piece position corresponding to this flexible printed wiring board, this housing is to cover at this inside casing outside, and this backlight module and liquid crystal panel are located between this housing and the inside casing, and this flexible printed wiring board is to convexedly stretch in outside this inside casing and the housing, and this aerofoil profile sheet compresses this tongue piece, contacts with this ground mat to form for this aerofoil profile sheet to electrically conduct.
2. liquid crystal indicator as claimed in claim 1, it is characterized in that, this housing is to be made of a top frame face and the plural housing side plate that is arranged at this top frame face periphery, a wherein housing side plate of this housing protrudes out the position corresponding to this flexible printed wiring board and is provided with a groove, this aerofoil profile sheet is a side that is arranged at this groove, and this aerofoil profile sheet has a length, and the bearing of trend of this length generally is vertical with the surface of this liquid crystal panel.
3. liquid crystal indicator as claimed in claim 1 is characterized in that, this flexible printed wiring board setting is without exception " U " the saturating dead slot of type, and form this rectangular tongue piece.
4. liquid crystal indicator as claimed in claim 2 is characterized in that, this aerofoil profile sheet is a reflexed towards the inside casing of this LCD MODULE, see through this aerofoil profile sheet with this tongue piece clamping between this aerofoil profile sheet and this inside casing.
5. liquid crystal indicator as claimed in claim 4 is characterized in that this tongue piece has a tail end, and this tail end is to separate with this flexible printed wiring board, is provided with one first ground mat in this tail end, and is provided with one second ground mat in the about middle section position of this tongue piece.
6. liquid crystal indicator as claimed in claim 5 is characterized in that, this reflexed is to this aerofoil profile sheet of this inside casing, be with the tail end of this tongue piece and this first ground mat clamping in the lump between this aerofoil profile sheet and this inside casing.
7. liquid crystal indicator as claimed in claim 6 is characterized in that this inside casing is provided with a recess, and this recess is in order to ccontaining this tongue piece, first ground mat, and the aerofoil profile sheet of this reflexed.
8. liquid crystal indicator as claimed in claim 7 is characterized in that, the summation of this tongue piece, first ground mat and this aerofoil profile sheet thickness is not more than this concave depth.
9. liquid crystal indicator as claimed in claim 1, it is characterized in that, this aerofoil profile sheet is provided with at least one projective structure corresponding to the ground mat position, and this projective structure is the face projection that compresses this tongue piece towards this aerofoil profile sheet, is resisted against this ground mat for this projective structure of this aerofoil profile sheet.
10. liquid crystal indicator as claimed in claim 1 is characterized in that, this housing and this aerofoil profile sheet are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100056631A CN101799594B (en) | 2009-02-10 | 2009-02-10 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100056631A CN101799594B (en) | 2009-02-10 | 2009-02-10 | Liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101799594A true CN101799594A (en) | 2010-08-11 |
| CN101799594B CN101799594B (en) | 2011-08-17 |
Family
ID=42595340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100056631A Expired - Fee Related CN101799594B (en) | 2009-02-10 | 2009-02-10 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101799594B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063839A1 (en) * | 2011-11-01 | 2013-05-10 | 深圳市华星光电技术有限公司 | Liquid crystal display device based on insulation back panel |
| CN103631040A (en) * | 2013-11-29 | 2014-03-12 | 友达光电(厦门)有限公司 | Display device and assembling method thereof |
| US8724044B2 (en) | 2011-11-01 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display based on insulation backplane |
| CN104137167A (en) * | 2012-02-15 | 2014-11-05 | 日本精机株式会社 | Display device |
| CN105404037A (en) * | 2015-12-14 | 2016-03-16 | 重庆瑞阳科技股份有限公司 | Liquid crystal screen antistatic apparatus |
| CN108873474A (en) * | 2018-06-29 | 2018-11-23 | 厦门天马微电子有限公司 | Backlight module and display device |
| KR20200047811A (en) * | 2018-10-24 | 2020-05-08 | 삼성디스플레이 주식회사 | Display device |
| CN112882272A (en) * | 2021-03-01 | 2021-06-01 | 武汉华星光电技术有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000243677A (en) * | 1999-02-18 | 2000-09-08 | Matsushita Electric Ind Co Ltd | Circuit device manufacturing apparatus |
| CN201133984Y (en) * | 2007-12-18 | 2008-10-15 | 胜华科技股份有限公司 | Liquid crystal display module |
-
2009
- 2009-02-10 CN CN2009100056631A patent/CN101799594B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013063839A1 (en) * | 2011-11-01 | 2013-05-10 | 深圳市华星光电技术有限公司 | Liquid crystal display device based on insulation back panel |
| US8724044B2 (en) | 2011-11-01 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display based on insulation backplane |
| CN104137167A (en) * | 2012-02-15 | 2014-11-05 | 日本精机株式会社 | Display device |
| CN103631040A (en) * | 2013-11-29 | 2014-03-12 | 友达光电(厦门)有限公司 | Display device and assembling method thereof |
| CN103631040B (en) * | 2013-11-29 | 2016-05-11 | 友达光电(厦门)有限公司 | Display unit and assemble method thereof |
| CN105404037A (en) * | 2015-12-14 | 2016-03-16 | 重庆瑞阳科技股份有限公司 | Liquid crystal screen antistatic apparatus |
| CN108873474A (en) * | 2018-06-29 | 2018-11-23 | 厦门天马微电子有限公司 | Backlight module and display device |
| CN108873474B (en) * | 2018-06-29 | 2021-08-13 | 厦门天马微电子有限公司 | Backlight module and display device |
| KR20200047811A (en) * | 2018-10-24 | 2020-05-08 | 삼성디스플레이 주식회사 | Display device |
| KR102578498B1 (en) | 2018-10-24 | 2023-09-14 | 삼성디스플레이 주식회사 | Display device |
| CN112882272A (en) * | 2021-03-01 | 2021-06-01 | 武汉华星光电技术有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101799594B (en) | 2011-08-17 |
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Granted publication date: 20110817 Termination date: 20150210 |
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| EXPY | Termination of patent right or utility model |