CN104007576A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN104007576A CN104007576A CN201310056327.6A CN201310056327A CN104007576A CN 104007576 A CN104007576 A CN 104007576A CN 201310056327 A CN201310056327 A CN 201310056327A CN 104007576 A CN104007576 A CN 104007576A
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- liquid crystal
- crystal display
- drain pan
- extension
- inside casing
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Abstract
Disclosed is a liquid crystal display device. The liquid crystal display device comprises a bottom case, an inner frame, a front frame, a liquid crystal display panel and a side light type backlight module. The bottom case comprises a bottom ball, a side wall extending from one outer edge of the bottom wall, a base wall extending inwards from the top end of the side wall, and a plurality of upper protrusion units extending upwards from the top surface of the base wall; the inner frame is integrated onto the bottom case to define a first accommodating space and provided with a plurality of through holes for the protrusion units to penetrate and a plurality of upwards-opened lower recess units; the front frame is arranged on the inner frame to define a second accommodating space and provided with a plurality of downwards-protruded lower protrusion units combined with the lower recess units; the liquid crystal display penal is arranged inside the second accommodating space; the side light type backlight module is arranged inside the first accommodating space and comprises a light strip, which is arranged on the side wall and faces inwards.
Description
Technical field
The present invention relates to a kind of liquid crystal display, particularly relate to a kind of liquid crystal display that utilizes side light type back light module.
Background technology
Along with the prosperity day by day of electronic industry, mobile phone, notebook computer etc. electronic product is also weeded out the old and bring forth the new fast.And when user is when using these electronic products, liquid crystal display is wherein indispensable interface, user must could operate above-mentioned electronic product easily by the demonstration of liquid crystal display.
Consult Fig. 1 and Fig. 2, a kind of traditional liquid crystal display comprises a shell on the back 81, a frame of plastic 82, a chase 83, a backlight module 84, and a display panels 85.This shell on the back 81 have a square backboard 811, from this backboard 811 the first side wall 812 that wherein a lateral border extends, several interval from outward extending the first fixture block 813 of this first side wall 812, and several interval is from outward extending the second fixture block 814 (seeing Fig. 3) of this first side wall 812.Consult Fig. 3 and Fig. 4, this frame of plastic 82 have one be positioned at these the first side wall 812 tops around basal wall 821, several interval from should around basal wall 821 wherein a lateral border extend downward the second sidewall 822 outside this first side wall 812, be severally formed at 822 of described the second sidewalls and supply respectively the accommodating clearance space 823 of described the first fixture block 813, and severally connecting respectively the through hole 824 that described the second sidewall 822 stretches through for described the second fixture block 814, this shell on the back 81 and this frame of plastic 82 combine by described the second fixture block 814 described through hole 824 that stretches through respectively.Consult again Fig. 1 and Fig. 2, this chase 83 have one be positioned at this around on basal wall 821 around roof 831, one from should around roof 831 wherein a lateral border extend downward the 3rd sidewall 832 outside described the second sidewall 822, and several faceplates 833 in the 3rd sidewall 832 extends inwardly to described clearance space 823 respectively, described faceplate 833 fastens with described the first fixture block 813 respectively, and this chase 83 is combined with this shell on the back 81.This backlight module 84 is arranged at this shell on the back 81 and 82 of this frame of plastics and provides light source to this display panels 85, and have one and be arranged at the LED lamp bar 841 of this first side wall 812 and a directing light to the light guide plate 842 of this display panels 85, certainly, this backlight module 84 also has the blooming piece in order to other purposes such as homogenising light.This display panels 85 is arranged at 82 of this chase 83 and this frame of plastics, and has subregion to be subject to this chase 83 to cover.
Generally speaking, the region of watching for user should display panels 85 manifesting word or picture, can be referred to as effective luminous zone.And due to the strongest fan-shaped transmitting in the luminous general Shi Cheng center of LED, this LED lamp bar 841 is comprised of a plurality of LED separately again, thereby the light of a plurality of LED is staggered together when luminous, in one segment distance that can rise at LED lamp bar 841 luminous places, form obvious strong and weak light district, seem similarly to be the luminous shape of firefly one by one, meaning produces the firefly phenomenon being commonly called as, and can be more serious because of LED number minimizing on this LED lamp bar 841.So when design liquid crystal display, can between effective luminous zone, retain one section of light mixing distance in the light-emitting area of this LED lamp bar 841, an object wherein, be to solve above-mentioned firefly phenomenon, comparatively even while making light arrive effective luminous zone, and can on the screen of liquid crystal display, not produce the bright firefly phenomenon secretly replacing.
Yet, in aforesaid liquid crystal display, the combination of this chase 83, this frame of plastic 82 and this shell on the back 81, this segment distance from this first side wall 812 to the 3rd sidewall 832, can cause the seal ring thickness of whole liquid crystal display to be difficult to dwindle, also cannot utilize as light mixing distance simultaneously.Thereby, if this structure does not change, once in order to reduce costs a number that reduces LED, can there is firefly phenomenon at the fringe region of effective luminous zone.So again think deeply the structure of a liquid crystal display, can in the situation that maintenance medium crystal display device entire outer diameter is constant, increase light mixing distance, be a direction that is worth thinking.
Summary of the invention
The object of the present invention is to provide and a kind ofly can reduce use LED number, increase light mixing distance and reduce the liquid crystal display of firefly phenomenon.
So a kind of liquid crystal display of the present invention, comprises a drain pan, an inside casing, a front frame, a display panels and a side light type back light module.
This drain pan have a diapire, one by this diapire wherein the upwardly extending sidewall of a lateral border, one by this sidewall top towards in this drain pan along the basal wall of stretching, and several interval is from the upwardly extending upper protuberance of this basal wall end face.This inside casing is incorporated on this drain pan and jointly defines one first accommodation space, and this inside casing has several intervals respectively for the stretch through perforation of combination of described upper protuberance, and is severally respectively adjacent to inside described perforation and opening up lower concave part.This front frame is incorporated on this inside casing and jointly defines one second accommodation space, and this front frame has several lower protuberances that protrude out to respectively described lower concave part combination downwards.This display panels is arranged in this second accommodation space.This side light type back light module is arranged in this first accommodation space and light is imported to this display panels, and comprises that one is arranged at this sidewall and towards interior lamp bar.
Preferably, this inside casing also have one in the form of a ring and with this diapire interval around portion, from should be around portion's medial surface Lower Half inwardly along stretching and in order to carry the supporting part of this display panels, and one from should wherein extending out to the extension of this basal wall top in an outside around portion, described perforation runs through this extension, and described concave part is in this extension.
Preferably, described lower concave part is connected with described perforation respectively.
Preferably, this front frame also have one be positioned at this around in portion and the frame body that manifests for this display panels of tool one opening, from this frame body, wherein extend out to the wall extension of this extension top in an outside, and several intervals connect the breach that this wall extension also passes for described upper protuberance respectively, described lower protuberance is contiguous described breach respectively, and from this wall extension protrude downwards and be subject to respectively described upper protuberance with should be around portion spacing.
Preferably, described lower protuberance hollowly protrudes downwards from the end face of this wall extension respectively, makes the bottom of described lower protuberance protrude from the bottom surface of this wall extension downwards.
Preferably, this side light type back light module also comprises that one is positioned on this diapire and the light guide plate of contiguous this lamp bar of a side, and an optical diaphragm group being positioned between this light guide plate and this supporting part.
Preferably, this lamp bar has a substrate that is arranged at this sidewall of this drain pan, and several LED that is arranged at this substrate.
Preferably, this drain pan and this front frame are that iron is made, and this inside casing is that plastics are made, and on each, protuberance is cubic, and each perforation is rectangle along the section of parallel this basal wall.
Preferably, this front frame and this inside casing frame shape that is square, this diapire of this drain pan is square.
Useful effect of the present invention is: the combination that changes this drain pan, this inside casing and this front frame, with the described perforation combination that stretches through of described upper protuberance, also have described lower protuberance to protrude out to described lower concave part combination, reach the effect that increases light mixing distance, further can reduce the number that uses LED, and reduce the staggered firefly phenomenon generation of light and shade.
Accompanying drawing explanation
Fig. 1 Shi Yi partial perspective view, illustrates a liquid crystal display of prior art;
Fig. 2 is the sectional view of getting in Fig. 1 along II-II straight line;
Fig. 3 is the partial perspective view of this prior art, and the combination of a shell on the back and a frame of plastic of this prior art is described;
Fig. 4 is the sectional view of getting in Fig. 1 along IV-IV straight line;
Fig. 5 Shi Yi partial perspective view, illustrates a preferred embodiment of liquid crystal display of the present invention;
Fig. 6 is the sectional view of getting in Fig. 5 along VI-VI straight line;
Fig. 7 Shi Yi partial perspective view, illustrates a drain pan of this preferred embodiment;
Fig. 8 Shi Yi partial perspective view, illustrates an inside casing of this preferred embodiment and the combination of this drain pan; And
Fig. 9 Shi Yi partial perspective view, illustrates the combination of a front frame, this inside casing and this drain pan of this preferred embodiment.
Embodiment
Before the present invention is described in detail, it should be noted that in the following description content, the direction term that the present invention mentions, such as " on ", D score, " top ", " end " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is for explanation, but not is used for limiting the present invention.
Below in conjunction with accompanying drawing and a preferred embodiment, the present invention is described in detail.
Consult Fig. 5 and Fig. 6, the preferred embodiment of a kind of liquid crystal display of the present invention comprises a drain pan 1, the front frame 3 of an inside casing 2,, a display panels 7 and a side light type back light module 6.
Consult Fig. 6 and Fig. 7, this drain pan 1 is to make with iron, and have a diapire being square 11, by this diapire 11 wherein upwardly extending sidewall 12 of a lateral border, a basal wall 13 of being stretched towards this interior edge of drain pan 1 by these sidewall 12 tops, and several interval extends upward and is the upper protuberance 14 of cubic from these basal wall 13 end faces.
Consult Fig. 6 and Fig. 8, this inside casing 2 is square box shapes made from plastics, and is incorporated on this drain pan 1 and jointly defines one first accommodation space 4.And this inside casing 2 has one in the form of a ring and with these diapire 11 intervals around portion 21, one from should around portion's 21 medial surface Lower Halves inwardly along stretch and in order to the supporting part 22, that carries this display panels 7 from should wherein extending out to that the extension 23 of these basal wall 13 tops, several interval run through this extension 23 and respectively for described upper protuberance 14 the stretch through perforation 24 of combination and several lower concave part 25 that lays respectively at this extension 23 and the described perforation of vicinity 24 inner sides in an outside around portion 21.Specifically, each perforation 24 section along parallel this basal wall 13 is rectangle, described lower concave part 25 opening up, and be connected with described perforation 24 respectively.
Consult Fig. 5, Fig. 6 and Fig. 9, this front frame 3 is square box shapes made from iron, and is incorporated on this inside casing 2 and jointly defines one second accommodation space 5.This front frame 3 have one be positioned at this around in portion 21 and the frame body 31 that manifests for this display panels 7 of tool one opening, from this frame body 31, wherein extend out to the breach 33 that the wall extension 32 of these extension 23 tops, several interval connect this wall extension 32 and pass for described upper protuberance 14 respectively in an outside, and several lower protuberance 34 that protrudes out to respectively described lower concave part 25 combinations downwards.Specifically, described lower protuberance 34 be respectively adjacent to described breach 33 and certainly the end face of this wall extension 32 hollowly protrude downwards, make the bottom of described lower protuberance 34 protrude from the bottom surface of this wall extension 32 downwards, and can be subject to respectively described upper protuberance 14 with should be around portion 21 spacing.
This display panels 7 is arranged in this second accommodation space 5, and comprise a colored optical filtering substrates, a thin film transistor (TFT) glass substrate, a liquid crystal layer and two Polarizers, because this display panels 7 is known technology, so the relative locations of structures of its each member is not described further.
This side light type back light module 6 is arranged in this first accommodation space 4 and light is imported to this display panels 7, in other words, is to provide light source to this display panels 7.This side light type back light module 6 comprises that one is arranged at this sidewall 12 and is positioned on this diapire 11 and the light guide plate 62 of contiguous this lamp bar 61 of a side towards interior lamp bar 61,, and an optical diaphragm group 63 that is positioned at 22 of this light guide plate 62 and this supporting parts.This optical diaphragm group 63 comprises blast sheet, diffusion sheet etc.This lamp bar 61 has a substrate 611 that is arranged at this sidewall 12 of this drain pan 1, and several LED612 that is arranged at this substrate 611.
After described LED612 is luminous, light is before being reflected onto this display panels 7, can be first through should be around 11 of portion 21 and this diapires, and 11 of this supporting part 22 and this diapires, and make light more even in this section of region, and then be reflected onto this display panels 7, and be light mixing distance of the present invention from the luminous place of described LED612 to this segment distance that enters this display panels 7, and due to this drain pan 1 of the present invention, the combination of this inside casing 2 and this front frame 3, being different from prior art is the mode engaging mutually with fixture block, so can save many spaces for combination, and change, be utilized as light mixing distance, make the light mixing distance of the present invention can be longer compared to prior art.
In sum, by changing the combination of this drain pan 1, this inside casing 2 and this front frame 3, with described perforation 24 combinations that stretch through of described upper protuberance 14, also have described lower protuberance 34 to protrude out to described lower concave part 25 combinations, these modes are all the fixed form combinations with vertical diapire 11 directions, and are able to increase the light mixing distance of parallel these diapire 11 directions, thereby can reduce the use amount of LED number, reduce the problem that produces firefly phenomenon, so really can reach the present invention's object.
As described above, be only preferred embodiment of the present invention, and when not limiting scope of the invention process with this, the simple equivalence of doing according to the claims in the present invention book and description greatly changes and modifies, and all still belongs to the scope that patent of the present invention contains.
Claims (9)
1. a liquid crystal display, comprises: a display panels and a side light type back light module; It is characterized in that: this liquid crystal display also comprises a drain pan, an inside casing and a front frame;
This drain pan, have a diapire, one by this diapire wherein the upwardly extending sidewall of a lateral border, one by this sidewall top towards in this drain pan along the basal wall of stretching, and several interval is from the upwardly extending upper protuberance of this basal wall end face;
This inside casing, is incorporated on this drain pan and jointly defines one first accommodation space, and this inside casing has several intervals respectively for the stretch through perforation of combination of described upper protuberance, and is severally respectively adjacent to inside described perforation and opening up lower concave part;
This front frame, is incorporated on this inside casing and jointly defines one second accommodation space, and this front frame has several lower protuberances that protrude out to respectively described lower concave part combination downwards;
This display panels, is arranged in this second accommodation space;
This side light type back light module, is arranged in this first accommodation space and light is imported to this display panels, and comprises that one is arranged at this sidewall and towards interior lamp bar.
2. liquid crystal display according to claim 1, it is characterized in that: this inside casing also have one in the form of a ring and with this diapire interval around portion, from should be around portion's medial surface Lower Half inwardly along stretching and in order to carry the supporting part of this display panels, and one from should wherein extending out to the extension of this basal wall top in an outside around portion, described perforation runs through this extension, and described concave part is in this extension.
3. liquid crystal display according to claim 2, is characterized in that: described lower concave part is connected with described perforation respectively.
4. liquid crystal display according to claim 2, it is characterized in that: this front frame also have one be positioned at this around in portion and the frame body that manifests for this display panels of tool one opening, from this frame body, wherein extend out to the wall extension of this extension top in an outside, and several intervals connect the breach that this wall extension also passes for described upper protuberance respectively, described lower protuberance is contiguous described breach respectively, and from this wall extension protrude downwards and be subject to respectively described upper protuberance with should be around portion spacing.
5. liquid crystal display according to claim 4, is characterized in that: described lower protuberance hollowly protrudes downwards from the end face of this wall extension respectively, makes the bottom of described lower protuberance protrude from the bottom surface of this wall extension downwards.
6. liquid crystal display according to claim 2, is characterized in that: this side light type back light module also comprises that one is positioned on this diapire and the light guide plate of contiguous this lamp bar of a side, and an optical diaphragm group being positioned between this light guide plate and this supporting part.
7. liquid crystal display according to claim 1, is characterized in that: this lamp bar has a substrate that is arranged at this sidewall of this drain pan, and several LED that is arranged at this substrate.
8. liquid crystal display according to claim 1, is characterized in that: this drain pan and this front frame are that iron is made, and this inside casing is that plastics are made, and on each, protuberance is cubic, and each perforation is rectangle along the section of parallel this basal wall.
9. liquid crystal display according to claim 1, is characterized in that: this front frame and this inside casing frame shape that is square, this diapire of this drain pan is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056327.6A CN104007576B (en) | 2013-02-22 | 2013-02-22 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310056327.6A CN104007576B (en) | 2013-02-22 | 2013-02-22 | Liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104007576A true CN104007576A (en) | 2014-08-27 |
| CN104007576B CN104007576B (en) | 2016-09-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310056327.6A Expired - Fee Related CN104007576B (en) | 2013-02-22 | 2013-02-22 | Liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104007576B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594503A (en) * | 2015-06-29 | 2018-09-28 | 青岛海信电器股份有限公司 | A kind of display device and glue frame and backboard for display device |
| CN110275337A (en) * | 2018-03-16 | 2019-09-24 | 夏普株式会社 | Display device |
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| CN201661999U (en) * | 2009-12-30 | 2010-12-01 | 北京京东方光电科技有限公司 | Fixed frame and backlight module assembled by fixed frame |
| CN102081259A (en) * | 2009-11-27 | 2011-06-01 | 乐金显示有限公司 | Liquid crystal display device |
| US20110261585A1 (en) * | 2010-04-26 | 2011-10-27 | Mitsubishi Electric Corporation | Planar light source device and display apparatus using the same |
| CN102591049A (en) * | 2012-03-28 | 2012-07-18 | 深圳市华星光电技术有限公司 | Liquid crystal display module and frame component thereof |
| CN102691934A (en) * | 2012-05-21 | 2012-09-26 | 深圳市华星光电技术有限公司 | Backlight module and corresponding liquid crystal liquid device |
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2013
- 2013-02-22 CN CN201310056327.6A patent/CN104007576B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081259A (en) * | 2009-11-27 | 2011-06-01 | 乐金显示有限公司 | Liquid crystal display device |
| CN201661999U (en) * | 2009-12-30 | 2010-12-01 | 北京京东方光电科技有限公司 | Fixed frame and backlight module assembled by fixed frame |
| US20110261585A1 (en) * | 2010-04-26 | 2011-10-27 | Mitsubishi Electric Corporation | Planar light source device and display apparatus using the same |
| CN102591049A (en) * | 2012-03-28 | 2012-07-18 | 深圳市华星光电技术有限公司 | Liquid crystal display module and frame component thereof |
| CN102691934A (en) * | 2012-05-21 | 2012-09-26 | 深圳市华星光电技术有限公司 | Backlight module and corresponding liquid crystal liquid device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594503A (en) * | 2015-06-29 | 2018-09-28 | 青岛海信电器股份有限公司 | A kind of display device and glue frame and backboard for display device |
| CN110275337A (en) * | 2018-03-16 | 2019-09-24 | 夏普株式会社 | Display device |
| CN110275337B (en) * | 2018-03-16 | 2021-10-22 | 夏普株式会社 | Display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104007576B (en) | 2016-09-21 |
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Granted publication date: 20160921 Termination date: 20170222 |