CN104133308B - LCD device - Google Patents
LCD device Download PDFInfo
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- CN104133308B CN104133308B CN201410385251.6A CN201410385251A CN104133308B CN 104133308 B CN104133308 B CN 104133308B CN 201410385251 A CN201410385251 A CN 201410385251A CN 104133308 B CN104133308 B CN 104133308B
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- liquid crystal
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- light guide
- plate
- crystal indicator
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Abstract
The invention discloses an LCD device. The LCD device comprises a back plate, a reflective sheet, a light bar, a light guide plate, a middle frame and connecting pieces. The back plate comprises a bottom plate and a side wall which extends upwards from the four sides of the bottom plate, and the side wall and the bottom plate define a containing cavity. The reflective sheet, the light bar and the light guide plate are all placed in the containing cavity. The reflective sheet is placed between the light guide plate and the bottom plate, the light bar is fixedly connected with the bottom plate, and the light bar is placed on one side of the light guide plate. The middle frame enables the light guide plate to be connected to the back plate in a pressing mode. The connecting pieces are fixedly connected with the middle frame and the back plate respectively, so that the middle frame and the back plate are fixed. A limiting groove matched with the side wall is formed in the position, corresponding to the side wall, of the middle frame, and the limiting groove abuts against the side wall. According to the LCD device, production cost is lowered, and a safe and reliable narrow frame design is realized.
Description
Technical field
The present invention relates to display terminal technical field, more particularly, to liquid crystal indicator.
Background technology
It is known that liquid crystal display of the prior art generally includes straight-down negative display and side entering type display, and
Side entering type display is divided into the display of the display with frame and Rimless again.Wherein, the main inclusion with border display
Backboard, reflector plate, lamp bar, light guide plate, LCDs, center, face-piece and back cover, and the assembling of LCDs and center is
Cooperation using face-piece and back cover is fixed, in this structure due to center structure built on the sand, easily turn on one's side, so that needing
The outer wall of center extends one section of side edge, fitted with backboard side wall in this side edge, and side edge above also needs to arrange buckle or spiral shell
The fixed structures such as hole, to make center and backboard stable connection it is therefore apparent that this structure can increase the side of whole liquid crystal display
Frame, makes frame wider.And the liquid crystal display of Rimless is then the reduction of the structure of face-piece so that frame is narrower, cost is lower,
But in the liquid crystal display device structure of this Rimless, LCDs and center are to be connected with each other admittedly by buckle or screw
Fixed, due to liquid crystal display comparison itself fragile so that the marginal portion of LCDs needs to ensure quality using special material,
Relatively costly.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is existing skill
Art.
Content of the invention
Present invention is primarily targeted at reduction production cost, realize safe and reliable narrow frame design.
For achieving the above object, the present invention provides a kind of liquid crystal indicator, and described liquid crystal indicator includes backboard, anti-
Penetrate piece, lamp bar, light guide plate, center and connector, described backboard includes base plate and the side being extended on the side by described base plate four
Wall, described side wall and base plate enclose formation one accommodating cavity；Described reflector plate, lamp bar and light guide plate are respectively positioned in described accommodating cavity,
And described reflector plate is located between described light guide plate and described base plate, described lamp bar is fixedly connected with described base plate, described lamp bar
Side positioned at described light guide plate；Described light guide plate is crimped on described backboard described center；Described connector with described in
Frame is fixedly connected with backboard, with fixing described center and backboard；On described center the position of corresponding described side wall be provided with described
The stopper slot of side wall adaptation, described stopper slot is abutted with described side wall.
Preferably, described liquid crystal indicator also includes face-piece and LCDs, and described face-piece is fixed with described backboard
Connect, between described face-piece and center, form the draw-in groove being adapted to described LCDs clamping.
Preferably, described connector include with described center be fixed the fastening plate being connected and fixing with described backboard even
The fixed plate connecing；Described center includes being provided with the location division of described stopper slot, and for crimping the pressure contact portion of described light guide plate, institute
State pressure contact portion and be provided with the fluting being adapted to described fastening plate.
Preferably, described liquid crystal indicator also includes blooming piece, and described pressure contact portion is provided with for installing described optics
The mounting groove of diaphragm.
Preferably, described mounting groove is connected with fluting, and the position that described mounting groove is connected with described fluting is provided with limit convex
Rise, described blooming piece is provided with the spacing hole being adapted to described spacing preiection.
Preferably, described spacing preiection includes the first limiting section and the second limiting section, and described first limiting section is raised in institute
The height stating center is more than or equal to the thickness of described blooming piece, and described second limiting section is by the local of described first limiting section
Extend and formed；The breach being adapted to described second limiting section is provided with described fastening plate.
Preferably, the inner side of described side wall is provided with locating dowel, and on described light guide plate, the position of corresponding described locating dowel sets
There is locating slot, described locating dowel is in described locating slot.
Preferably, described center is provided with the raised line of LCDs described in location and installation.
Preferably, described liquid crystal indicator also includes heat sink, and described heat sink is fixedly connected with described base plate, and institute
State heat sink and fit with described lamp bar and be fixedly connected；Described lamp bar includes PCB and single lamp, and described single lamp is vertically arranged to described
On PCB.
Preferably, described single lamp position is in the upside of described light guide plate and/or downside.
The present invention arranges connector by the surrounding in backboard and realizes center and backboard are connected so that not increasing
On the basis of middle frame structure it is ensured that center install after steadiness, and thus can reduce on center be used for be connected with backboard
Fixing side edge and screw fixed structure, and then decrease the width of frame；And after decreasing corresponding structure, whole machine cost
Also just lower.
Brief description
Fig. 1 is the explosive view of liquid crystal indicator one embodiment of the present invention；
Fig. 2 be liquid crystal indicator one embodiment dorsulum of the present invention, reflector plate, lamp bar, light guide plate, center, connector,
A viewing angle constructions schematic diagram after LCDs and face-piece assembling；
Fig. 3 is the part section structural representation in Fig. 2 along A-A；
Fig. 4 is the part section structural representation in Fig. 2 along B-B；
Fig. 5 is liquid crystal indicator one embodiment dorsulum of the present invention, reflector plate, lamp bar, light guide plate, center and connector
Partial structural diagram after assembling；
Fig. 6 is the structural representation of connector in Fig. 5；
Fig. 7 is after liquid crystal indicator one embodiment dorsulum of the present invention, reflector plate, lamp bar, light guide plate and center assemble
Structural representation；
Fig. 8 is the partial enlargement structural representation of F1 in Fig. 7；
Fig. 9 is equipped with the structural representation of blooming piece for Fig. 7；
Figure 10 is the partial enlargement structural representation of F2 in Fig. 9；
Figure 11 is liquid crystal indicator one embodiment dorsulum of the present invention, reflector plate, lamp bar, light guide plate, center, blooming
A viewing angle constructions schematic diagram after piece, LCDs and connector assembling；
Figure 12 is the part section structural representation along C-C for the Figure 10；
Figure 13 is another viewing angle constructions schematic diagram of Fig. 2；
Figure 14 is the partial enlargement structural representation of F3 in Figure 13；
Figure 15 is the assembly structure diagram of heat sink and lamp bar in Fig. 1.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of liquid crystal indicator, referring to figs. 1 to Fig. 4, in one embodiment, this liquid crystal indicator bag
Include backboard 10, reflector plate 11, lamp bar 12, light guide plate 13, center 15 and connector 16, described backboard 10 include base plate 10a and
The side wall 10b being extended on the side by described base plate 10a tetra-, described side wall 10b and base plate 10a enclose formation one accommodating cavity；Described
Reflector plate 11, lamp bar 12 and light guide plate 13 are respectively positioned in described accommodating cavity, and described reflector plate 11 be located at described light guide plate 13 with
Between described base plate 10a, described lamp bar 12 is fixedly connected with described base plate 10a, and described lamp bar 12 is located at described light guide plate 13
Side；Described light guide plate 13 is crimped on described backboard 10 described center 15；Described connector 16 and described center 15 and the back of the body
Plate 10 is fixedly connected, with fixing described center 15 and backboard 10；On described center 15 position of corresponding described side wall 10b be provided with
The stopper slot 103 of described side wall 10b adaptation, the part of described side wall in described stopper slot 103, described stopper slot 103 with
Described side wall 10b abuts.It is understood that this stopper slot 103 is basically identical with the end shape of side wall 10b, therefore, inciting somebody to action
When center 15 is placed on backboard 10, this side wall 10b is coordinated with stopper slot 103, so that center 15 is positioned, and after assembling, side wall 10b position
When in stopper slot 103, limit center 15 to side wall 10b lateral displacement.
Specifically, above-mentioned liquid crystal indicator also includes LCDs 14, face-piece 17 and back cover 18, described face-piece 17 with
Described backboard 10 is fixedly connected, and forms the draw-in groove being adapted to described LCDs 14 clamping between described face-piece 17 and center 15
101；Described back cover 18 and backboard 10 are connected.
During installation, first lamp bar 12 is fixed on base plate 10a, reflector plate 11 and light guide plate 13 are placed in backboard 10
Accommodating cavity in；Then center 15 is placed on backboard 10, and makes center 15 crimp light guide plate 13, then by connector 16 general
Frame 15 is connected with backboard 10, so that center 15 forms an entirety with backboard 10, then face-piece 17 is placed on center 15,
LCDs 14 is placed between center 15 and face-piece 17, then by screw, face-piece 17 is connected with backboard 10, make liquid
Crystal display screen 14 is fixed in the draw-in groove 101 that face-piece 17 is formed with center 15.Finally, back cover 18 is connected with backboard 10 admittedly
Fixed, so that face-piece 17, LCDs 14, center 15, backboard 10 and back cover 18 form liquid crystal indicator.
It is understood that the quantity of above-mentioned connector 16 and position relationship can be configured according to actual needs, this reality
Apply in example, preferably the surrounding in backboard 10 is equipped with connector 16.In addition in order to ensure LCDs 14, center 15 and the back of the body
The fixing mechanical strength of plate 10 is it is preferable that this connector 16 is sheet metal component.Additionally, above-mentioned draw-in groove 101 is by center 15, connector
16 and face-piece 17 mutually surround, and in a preferred embodiment, this draw-in groove 101 and the cooperation of LCDs 14 gap, in case
Only face-piece 17 extruding LCDs 14.Accordingly, with respect to the design of Rimless, the present invention may be selected the liquid crystal display of low cost
Screen 14, therefore, whole machine cost is relatively low.
Liquid crystal indicator of the present invention passes through to realize center 15 and backboard 10 in the surrounding setting connector 16 of backboard 10
Be connected so that on the basis of not increasing center 15 structure it is ensured that center 15 install after steadiness, and thus permissible
Reduce the screw fixed structure for being connected with backboard 10 on center 15, and then decrease the width of frame；And decrease
After corresponding structure, whole machine cost is also just lower.
It is understood that above-mentioned connector 16 can be entered according to actual needs with the fixed form of center 15 and backboard 10
Row setting.Further, in conjunction with reference to shown in Fig. 5 to Figure 10, in the present embodiment, above-mentioned connector 16 includes and described center 15
Be fixed the fastening plate 161 of connection and the fixed plate 162 being fixedly connected with described backboard 10；Described center 15 includes being provided with institute
State the location division 151 of stopper slot 103, and for crimping the pressure contact portion 152 of described light guide plate 13, described location division 151 is provided with
The fluting 102 being adapted to described fastening plate 161.
In the present embodiment, above-mentioned fastening plate 161 and fixed plate 162 are integrally formed, and angled setting, and this angle is preferably
90 degree.Specifically, the shape of this fastening plate 161 can be configured according to actual needs it is preferable that this fastening plate 161 is in type
Shape is arranged, and including the fixed part being connected with fixed plate 162, and is prolonged to both sides from this fixed part away from one end of fixed plate 162
The fastening plate 161 stretched, the shape of above-mentioned fluting 102 is consistent with fastening plate 161, and fastening plate 161 is installed in described fluting 102
When, form the state that is fixed；Fixed plate 162 is provided with screw 1622, passes through this screw 1622 and backboard 10 by screw
Side wall 10b locks；Thus realizing the fixation of center 15 and backboard 10.
With further reference to Figure 11 and Figure 12 it should be noted that above-mentioned liquid crystal indicator also includes blooming piece 19, should
Blooming piece 19 can be arranged between light guide plate 13 and center 15 using in prior art.In the present embodiment, this blooming piece 19
Being fixedly arranged in center 15, thus preventing light guide plate 13 from extruding blooming piece 19 with center 15, leading to blooming piece 19 to produce deformation,
Impact optical effect.Specifically, above-mentioned pressure contact portion 152 is provided with the mounting groove 104 for installing described blooming piece 19.
Above-mentioned mounting groove 104 is the cannelure away from the inner side depression formation of fixed edge 151 for the pressure contact portion 152.Above-mentioned optics
The concrete composition of diaphragm 19 can be configured according to actual needs, for example, can be diffusion sheet, prismatic lens, brightness enhancement film or other light
Learn one or more of diaphragm 19.Additionally, being to prevent diaphragm fold, or damage diaphragm, the porch of described mounting groove 104
In arc surface or chamfering setting, such as Figure 11.
In installation process, after center 15 is placed on backboard 10, blooming piece 19 is mounted on mounting groove 104
Interior.Then the fastening plate 161 of connector 162 is inserted in fluting 102, fixed plate 162 extends to along the side wall 10b of center 15
On the side wall 10b of backboard 10, then pass through screw and connector 16 is locked with side wall 10b；Thus center 15 backboard 10 is fixing.
Further, based on above-described embodiment, and shown in reference Fig. 8 to Figure 10, in the present embodiment, mounting groove described above
104 are connected with fluting 102, and the position that described mounting groove 104 is connected with described fluting 102 is provided with spacing preiection 20, described optics
Diaphragm 19 is provided with the spacing hole 191 being adapted to described spacing preiection 20.
The shape of above-mentioned spacing hole 191 and quantity can be configured according to actual needs, in the present embodiment, this spacing hole
191 are preferably waist-shaped hole, and the shape of spacing preiection 20 is consistent with this spacing hole 191.Blooming piece 19 is attached to above-mentioned installation
After in groove 104, spacing hole 191 is sheathed on spacing preiection 20, thus being effectively prevented blooming piece 19 in mounting groove 104
Come off.
Based on this embodiment, in embodiment further, in order to prevent blooming piece 19 from damaging, described spacing preiection
20 include the first limiting section 201 and the second limiting section 202, and the height that described first limiting section 201 is raised in described center 15 is big
In or be equal to described blooming piece 19 thickness, described second limiting section 202 by described first limiting section 201 local extend shape
Become；The breach 1611 being adapted to described second limiting section 202 is provided with described fastening plate 161.It is understood that installing
Afterwards, the fastening plate 161 of this connector 16 is abutted with the top surface of the first limiting section 201, so that this connector 16 will not be toward first
Move and damage blooming piece 19 by pressure in limiting section 201 direction.Wherein, breach 1611 shifts for limiting this connector 16 further.
Further, based on above-described embodiment, and with reference to Figure 13 and Figure 14, in the present embodiment, the inner side of described side wall 10b
It is provided with locating dowel 21, on described light guide plate 13, the position of corresponding described locating dowel 21 is provided with locating slot 105, described locating dowel 21
In described locating slot 105.
In the present embodiment, locating dowel 21 riveting is fixed on the side wall 10b of backboard 10, and above-mentioned locating dowel 21 is cylindrical to be set
Put, the rectangular setting of above-mentioned locating slot 105.Specifically, the quantity of above-mentioned locating dowel 21 and position can be carried out according to actual needs
Setting.Preferably, in order to ensure the uniformity of light guide plate 13 leaded light, it is provided between expansion between above-mentioned light guide plate 13 and side wall 10b
Gap, locating dowel 21 in its axial direction, is provided with expansion interval and locating slot 105 between.
Further, in conjunction with reference to Fig. 5, for convenience of installing, described center 15 is provided with liquid crystal display described in location and installation
The raised line 153 of screen 14.This raised line 153 is uniformly distributed along the surrounding of center 15, when LCDs 14 is placed on center 15, should
Raised line 153 carries out pre-determined bit to the position of LCDs 14 so that when installing face-piece 17, LCDs 14 will not shift.
Further, in conjunction with reference to Figure 15, based on above-described embodiment, in the present embodiment, liquid crystal indicator described above
Also include heat sink 22, described heat sink 22 is fixedly connected with described base plate 10a, and described heat sink 22 is pasted with described lamp bar 12
Conjunction is fixedly connected.
Specifically, above-mentioned lamp bar 12 includes PCB (printed circuit board (PCB)) 121 and single lamp 122, and described single lamp 122 is vertically-mounted
On described PCB121.Above-mentioned heat sink 22 can be sheet metal component, for example, can be aluminium sheet, for example, can be coated with heat sink 22
Heat conductive silica gel, lamp bar 12 is adhesively fixed on heat sink 22, then by screw, heat sink 22 is locked on base plate 10a.
It should be noted that the position of above-mentioned single lamp 122 can be configured according to actual needs, in the present embodiment, preferably
This single lamp 122 of ground is located at upside and/or the downside of described light guide plate 13.Be understandable that this light guide plate 13 downside be liquid crystal
Display screen 14 is provided with the side of COF circuit.For example when above-mentioned liquid crystal indicator is television set, the downside of this light guide plate 13 is to lead
Tabula rasa 13 is near the side of bottom.
These are only the preferred embodiments of the present invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of liquid crystal indicator is it is characterised in that include backboard, reflector plate, lamp bar, light guide plate, center and connector, institute
State backboard and include base plate and the side wall being extended on the side by described base plate four, described side wall and base plate enclose formation one and house
Chamber；Described reflector plate, lamp bar and light guide plate are respectively positioned in described accommodating cavity, and described reflector plate be located at described light guide plate with described
Between base plate, described lamp bar is fixedly connected with described base plate, and described lamp bar is located at the side of described light guide plate；Described center is by institute
State light guide plate to be crimped on described backboard；Described connector is fixedly connected with described center and backboard, with fixing described center and
Backboard；On described center, the position of corresponding described side wall is provided with the stopper slot being adapted to described side wall, described stopper slot with described
Side wall abuts；Wherein, described connector include with described center be fixed the fastening plate being connected and fixing with described backboard even
The fixed plate connecing；Described center includes being provided with the location division of described stopper slot, and for crimping the pressure contact portion of described light guide plate, institute
State pressure contact portion and be provided with the fluting being adapted to described fastening plate.
2. liquid crystal indicator as claimed in claim 1 is it is characterised in that described liquid crystal indicator also includes face-piece and liquid
Crystal display screen, described face-piece is fixedly connected with described backboard, is formed and described LCDs card between described face-piece and center
Hold the draw-in groove of adaptation.
3. liquid crystal indicator as claimed in claim 1 is it is characterised in that described liquid crystal indicator also includes blooming
Piece, described pressure contact portion is provided with the mounting groove for installing described blooming piece.
4. liquid crystal indicator as claimed in claim 3 it is characterised in that described mounting groove with fluting connect, described installation
The position that groove is connected with described fluting is provided with spacing preiection, and described blooming piece is provided with spacing with what described spacing preiection was adapted to
Hole.
5. liquid crystal indicator as claimed in claim 4 is it is characterised in that described spacing preiection includes the first limiting section and
Two limiting sections, described first limiting section is raised in the thickness more than or equal to described blooming piece for the height of described center, described
Second limiting section is extended by the local of described first limiting section and is formed；It is provided with described fastening plate and fit with described second limiting section
The breach joined.
6. liquid crystal indicator as claimed in claim 1 is it is characterised in that the inner side of described side wall is provided with locating dowel, institute
The position stating corresponding described locating dowel on light guide plate is provided with locating slot, and described locating dowel is in described locating slot.
7. liquid crystal indicator as claimed in claim 2 is it is characterised in that described center is provided with liquid crystal described in location and installation
The raised line of display screen.
8. liquid crystal indicator as claimed in claim 1 is it is characterised in that described liquid crystal indicator also includes heat sink,
Described heat sink is fixedly connected with described base plate, and described heat sink is fitted with described lamp bar and is fixedly connected；Described lamp bar includes
PCB and single lamp, described single lamp is vertically arranged on described PCB.
9. liquid crystal indicator as claimed in claim 8 is it is characterised in that described single lamp position is in the upside of described light guide plate
And/or downside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385251.6A CN104133308B (en) | 2014-08-06 | 2014-08-06 | LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385251.6A CN104133308B (en) | 2014-08-06 | 2014-08-06 | LCD device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104133308A CN104133308A (en) | 2014-11-05 |
| CN104133308B true CN104133308B (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385251.6A Active CN104133308B (en) | 2014-08-06 | 2014-08-06 | LCD device |
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| Country | Link |
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| CN (1) | CN104133308B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204853358U (en) * | 2015-08-11 | 2015-12-09 | 合肥京东方显示光源有限公司 | Limit structure , backlight unit and display device |
| CN106254803B (en) * | 2016-10-08 | 2023-08-15 | 珠海经济特区金品电器有限公司 | Display device |
| CN106773224A (en) * | 2017-02-21 | 2017-05-31 | 珠海经济特区金品电器有限公司 | A kind of narrow frame curve coil structure |
| CN106982339B (en) * | 2017-05-22 | 2023-07-18 | 合肥惠科金扬科技有限公司 | Borderless liquid crystal display television |
| CN107105180B (en) * | 2017-05-22 | 2023-09-19 | 合肥惠科金扬科技有限公司 | Borderless liquid crystal display television |
| CN107238963B (en) * | 2017-07-27 | 2020-06-09 | 深圳Tcl新技术有限公司 | Liquid crystal display device |
| CN109413241B (en) * | 2018-11-23 | 2020-08-11 | 武汉华星光电技术有限公司 | Mobile terminal |
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| US6580478B2 (en) * | 2000-02-24 | 2003-06-17 | Lg. Philips Lcd Co., Ltd | Structure for preventing a wrinkle in a reflective sheet of a backlight unit |
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| Publication number | Publication date |
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| CN104133308A (en) | 2014-11-05 |
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Address after: 518057, Shiyan Road, Shiyan City, Guangdong, Baoan District Province on the 1st Road, SKYWORTH science and Technology Industrial Park R & D building, two or three, four floor and the first floor of the integrated building, Shenzhen Applicant after: Skyworth LCD Modules (Shenzhen) Co., Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A block 13-16 Applicant before: Skyworth LCD Modules (Shenzhen) Co., Ltd. |
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