CN101071229A - Direct type backlight module and liquid crystal display device - Google Patents

Direct type backlight module and liquid crystal display device Download PDF

Info

Publication number
CN101071229A
CN101071229A CN 200610078332 CN200610078332A CN101071229A CN 101071229 A CN101071229 A CN 101071229A CN 200610078332 CN200610078332 CN 200610078332 CN 200610078332 A CN200610078332 A CN 200610078332A CN 101071229 A CN101071229 A CN 101071229A
Authority
CN
China
Prior art keywords
backlight module
type backlight
direct type
framework
supporting structure
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.)
Pending
Application number
CN 200610078332
Other languages
Chinese (zh)
Inventor
洪文琦
赵圣杰
陈嘉鸿
欧阳弘毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chunghwa Picture Tubes Ltd
Original Assignee
Chunghwa Picture Tubes Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chunghwa Picture Tubes Ltd filed Critical Chunghwa Picture Tubes Ltd
Priority to CN 200610078332 priority Critical patent/CN101071229A/en
Publication of CN101071229A publication Critical patent/CN101071229A/en
Pending legal-status Critical Current

Links

Images

Abstract

Tne invention provides a down-backlight module, including frame body, a number of sources, the proliferation of boards and at least one supporting structure. Frame of a floor, and installed in the floor at least one hole. Source is installed at the box body, and the proliferations of light panels are installed at the top, and the supporting structure located in the proliferation between the plate and frame. Supporting structure including support columns, base, and at least one flexible fins. Supported through a hole column, and supporting the top and bottom of a column, which supports the proliferation suitable for the top plate and bottom of piercing the bottom of the frame. Based on the support link at the bottom of the column, and flexible fins with the support column connections is inconsistent with the bottom of the frame. So, because of the proliferation of outside board and wear due to down-backlight module can maintain a stable quality.

Description

Direct type backlight module and liquid crystal indicator
Technical field
The present invention relates to a kind of light source module and display device, and be particularly related to a kind of direct type backlight module and liquid crystal indicator.
Background technology
Along with the modern video development of technology, liquid crystal indicator has been used on the display screen of consumption electronic products such as mobile phone, notebook computer, PC and personal digital assistant in large quantities.Yet, because the display panels of liquid crystal indicator itself does not have luminous function, therefore backlight module need be set providing display panels needed area source in the back side of display panels, and then make display panels reach the effect of demonstration.
Figure 1A is the perspective view of known a kind of direct type backlight module, and Figure 1B is the part sectioned view of the direct type backlight module of Figure 1A.Please refer to Figure 1A and Figure 1B, known direct type backlight module 100 comprise framework (Frame) 110, a plurality of cathode fluorescent tube (Cold Cathode Fluorescent Lamp, CCFL) 120, diffuser plate (DiffusionPlate) 130 and a plurality of supporting member (Support Member) 140.These cathode fluorescent tubes 120 are to be arranged in the framework 110, and diffuser plate 130 is the tops that are arranged at cathode fluorescent tube 120, and wherein diffuser plate 130 is to be used for the light that homogenising cathode fluorescent tube 120 is sent, so that uniform surface light source to be provided.
When the size of direct type backlight module 100 increased, the size of diffuser plate 130 also needed to increase relatively, so promptly can make diffuser plate 130 easily because of the own wt sag bent, caused the uniformity coefficient of the area source that diffuser plate 130 provides to descend.So direct type backlight module 100 generally can be provided with supporting member 140 between framework 110 and diffuser plate 130, be used to support diffuser plate 130 to avoid diffuser plate 130 sag bent.
Referring again to Figure 1B, particularly, being shaped as of supporting member 140 is coniform, and supporting member 140 has top 142 and bottom 144, wherein top 142 is directly to contact diffuser plate 130, and bottom 144 is by DRIVE SCREWS 150 supporting member 140 to be locked on the framework 110.So, supporting member 140 promptly is bearing on the framework 110 with supporting diffuser plate 130.
Yet direct type backlight module 100 produces vibration because of external force makes diffuser plate 130 easily in the process of carrying.Can't displacement because supporting member 140 has been locked by framework 110, so cause supporting member 140 frictional diffusion plates 130 easily, cause diffuser plate 130 wearing and tearing and reduce the quality of direct type backlight module 100.In addition, in the process of assembling supporting member 140, must spiral shell 150 could be screwed in the bottom 144 of supporting member 140 with fixed support 140 earlier with behind framework 110 turn-overs and the contraposition supporting member 140.Assembling mode so, its step complexity and contraposition are difficult for, and make that the efficient of assembling supporting member 140 is low.
Fig. 2 is the diagrammatic cross-section of known another kind of direct type backlight module.Please refer to Fig. 2, known direct type backlight module 200 comprises framework 210, a plurality of cathode fluorescent tube 220, diffuser plate 230, supporting member 240 and spring 250, wherein cathode fluorescent tube 220 is to be arranged in the framework 210, and diffuser plate 230 is the tops that are arranged at cathode fluorescent tube 220.Framework 210 has base plate 212, and is provided with groove 214 at base plate 212.Spring 250 is to be arranged in the groove 214, and the bottom 244 of supporting member 240 is connected with spring 250, and the top 242 of supporting member 240 is directly to contact diffuser plate 230.So, supporting member 240 promptly passes through the elastic force of spring 250 with supporting diffuser plate 230.
When diffuser plate 230 is subjected to external force and produces when vibration, supporting member 240 can be by the elastic force of spring 250 as bolster, that is supporting member 240 meeting upper and lower displacements along with the balance between diffuser plate 230 vibration forces and spring 250 elastic force, to avoid diffuser plate 230 wearing and tearing.Yet, set up spring 250 and can cause cost to improve, and spring 250 must be assembled in the groove 214 simultaneously with supporting member 240, so can cause the assembling difficulty.In addition, because framework 210 is provided with groove 214 with putting spring 250, this can make that the sheet metal of framework 210 is complex-shaped, and the expense that causes making framework 210 increases.
Summary of the invention
In view of this, the present invention's purpose provides a kind of direct type backlight module, and it has preferable assembling mode, and can keep stabilized quality.
Another object of the present invention provides a kind of liquid crystal indicator, and it has good display quality.
For reaching above-mentioned or other purposes, the present invention proposes a kind of direct type backlight module, comprises framework, a plurality of light source, diffuser plate and at least one supporting structure.Framework has base plate, and is provided with at least one perforate (opening) at base plate.Light source is to be arranged in the framework, and diffuser plate is to be arranged at the light source top, and supporting structure is to be arranged between diffuser plate and the framework.Supporting structure comprises support column (support pillar), base (base) and at least one flexible fins (elastic fin).Support column penetrates perforate, and support column has top and bottom, and wherein the top is suitable for supporting diffuser plate, and the bottom passes the base plate of framework.Base is to be connected with the bottom of support column, and flexible fins is to be connected with support column, and the base plate of conflict framework.
The present invention reintroduces a kind of liquid crystal indicator, comprises display panels and direct type backlight module as described above, and wherein direct type backlight module is the back side that is arranged at display panels.
In one of the present invention embodiment, the material of above-mentioned flexible fins can be plastic cement or transparent material.
In one of the present invention embodiment, above-mentioned supporting structure can be one of the forming
In one of the present invention embodiment, above-mentioned support column has a side surface, and flexible fins has relative first end and second end, and wherein first end is connected in the side surface of support column, and second end is suitable for moving on the base plate of framework.
In one of the present invention embodiment, the shape of above-mentioned base can be rectangular parallelepiped.
In one of the present invention embodiment, above-mentioned base comprises body and holding part, and body has a side surface, and the holding part is connected in the side surface of body.In addition, the shape of body can be cylindric.
In one of the present invention embodiment, direct type backlight module more can comprise optical diaphragm group, be arranged on the diffuser plate, and diffuser plate is between optical diaphragm group and light source.
In one of the present invention embodiment, the shape of above-mentioned support column can be coniform.
In one of the present invention embodiment, above-mentioned light source comprises a plurality of cathode fluorescent tubes or a plurality of light emitting diode.
In one of the present invention embodiment, liquid crystal indicator also can comprise housing (bezel), is arranged at the front of display panels, and with framework holding liquid crystal display panel.
In sum, in the present invention's liquid crystal indicator and direct type backlight module, when diffuser plate is subjected to external force and produces when vibration, supporting member can be by the elastic force of flexible fins as bolster, to avoid the diffuser plate wearing and tearing.In addition, supporting member can be directly fixed on by the acting force between the base plate of flexible fins and framework on the framework, to simplify the assembling mode of supporting member.
State with other purposes, feature and advantage and can become apparent on the present invention for allowing, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Figure 1A is the perspective view of known a kind of direct type backlight module.
Figure 1B is the part sectioned view of the direct type backlight module of Figure 1A.
Fig. 2 is the diagrammatic cross-section of known another kind of direct type backlight module.
Fig. 3 A is the exploded perspective view according to the direct type backlight module of one embodiment of the invention.
Fig. 3 B is the enlarged drawing that the supporting member of Fig. 3 A separates with framework.
Fig. 3 C be Fig. 3 A direct type backlight module in conjunction with after part sectioned view.
Fig. 3 D is that the diffuser plate of Fig. 3 C produces the synoptic diagram when vibrating.
Fig. 4 A is according to the supporting structure of another embodiment of the present invention and the three-dimensional exploded view of framework.
Fig. 4 B is the supporting structure of Fig. 4 A and sectional view after framework combines.
Fig. 5 is the three-dimensional exploded view according to the liquid crystal indicator of one embodiment of the invention.
The main element description of symbols
100,200: direct type backlight module
110,210: framework
120,220: cathode fluorescent tube
130,230: diffuser plate
140,240: supporting member
142,242: the top
144,244: the bottom
150: screw
212: base plate
214: groove
250: spring
300,520: direct type backlight module
310,410,524: framework
312,412: base plate
314,414: perforate
320: light source
330: diffuser plate
340,440,522: supporting structure
342,442: support column
342a, 442a: top
342b, 442b: bottom
342c, 442c: side surface
344,444: base
346,446: flexible fins
346a: first end
346b: second end
350: optical diaphragm group
350a: diffusion sheet
350b: brightening piece
416: draw-in groove
444a: body
444b: holding part
500: liquid crystal indicator
510: display panels
530: housing
L1, L2: long limit
S1, S2: minor face
Embodiment
Fig. 3 A is the exploded perspective view according to the direct type backlight module of one embodiment of the invention, and the enlarged drawing that Fig. 3 B separates with framework for the supporting member of Fig. 3 A, and Fig. 3 C be the part sectioned view after the direct type backlight module combination of Fig. 3 A.Please be simultaneously with reference to Fig. 3 A, Fig. 3 B and Fig. 3 C, direct type backlight module 300 of the present invention comprises framework 310, a plurality of light source 320, diffuser plate 330 and at least one supporting structure 340.These light sources 320 are to be arranged in the framework 310, and diffuser plate 330 is the tops that are arranged at light source 320, and wherein diffuser plate 330 is suitable for the light that homogenising light source 320 is sent, so that light is converted into uniform surface light source.
Framework 310 has base plate 312, and is provided with at least one perforate 314 at base plate 312, wherein the quantity of perforate 314 be the collocation supporting structure 340 quantity and design.In addition, supporting structure 340 is to be arranged between diffuser plate 330 and the framework 310, and supporting structure 340 comprises support column 342, base 344 and at least one flexible fins 346 (expression is two among the figure).Support column 342 is to penetrate the perforate 314 of framework 310 and be provided with, and support column 342 has top 342a and bottom 342b, wherein top 342a is suitable for directly contacting diffuser plate 330 with supporting diffuser plate 330, and bottom 342b is the base plate 312 that passes framework 310, and is connected with base 344.
Accept above-mentionedly, flexible fins 346 is to be connected with support column 342, and the base plate 312 of conflict framework 310.Particularly, support column 342 has a side surface 342c, and flexible fins 346 has the relative first end 346a and the second end 346b, and wherein the first end 346a is the side surface 342c that is connected in support column 342, and the second end 346b is the base plate 312 of conflict framework 310.So, the elastic force that flexible fins 346 is produced can upwards be bearing on framework 310 with base 344, is supported diffuser plate 330 on the framework 310 so that supporting structure 340 is fixed in.
Fig. 3 D is that the diffuser plate of Fig. 3 C produces the synoptic diagram when vibrating.Please refer to Fig. 3 C and 3D, when diffuser plate 330 is subjected to external force influence (as factors such as carryings) and produces when vibrating, supporting structure 340 can be experienced the strength that passes over from diffuser plate 330.At this moment, flexible fins 346 can be out of shape with interference on support column 342 recurring structures, so that the second end 346b of flexible fins 346 moves laterally.Then, supporting structure 340 can make diffuser plate 330 be able to flexural deformation a little to bottom offset, to avoid supporting structure 340 abrasion diffuser plates 330.Thus, diffuser plate 330 is difficult for because of the influence that is subjected to external force damages, and then direct type backlight module 300 can be kept stabilized quality.
In the present embodiment, supporting structure 340 for example is the structure that forms as one with injection molding technology and be shaped, but the present invention does not limit the manufacture of supporting structure 340.In addition, flexible fins 346, support column 342 for example are plastic cement with the material of base 344, certainly, and for further improving the optics utilization factor of direct type backlight module 300, flexible fins 346 also can be transparent material with the material of support column 342, and the material of base 344 also can be the highly reflective material.
In addition, the shape of support column 342 for example is coniform, and the top 342a size of support column 342 is less than its bottom 342b size, and two flexible fins 346 be subtend be arranged on the support column 342 with balanced support structure 340.Subsidiary one carry be, the present invention does not limit the quantity of flexible fins 346, for example, the present invention also can be provided with three flexible fins, and it is located on the support column with 120 ° angle in twos.The person of ordinary skill in the field makes aforementioned release easily when joining, and no longer represents with accompanying drawing herein.
Below, will in detail the assembling mode of supporting structure 340 of the present invention be described in detail.Referring again to Fig. 3 B and Fig. 3 C, in the present embodiment, the shape of the base 344 of supporting structure 340 is a rectangular parallelepiped for example, and base 344 has long limit L1 and minor face S1, and wherein the length of long limit L is greater than the length of minor face S.The rectangle that is shaped as collocation base 344 shapes of the perforate 314 of corresponding framework 310, that is perforate 314 has long limit L2 and minor face S2, and the long limit L2 of perforate 314 is long limit L1 and the minor face S1 that distinguishes the corresponding base 344 of arranging in pairs or groups with minor face S2.
Accept above-mentionedly, supporting structure 340 is horizontally rotated to the length limit L2 of the parallel perforate 314 of length limit L1 of base 344, because therefore the corresponding base 344 of the shape of perforate 314 can make base 344 be passed down through perforate 314.Base 344 is passed down through in the process of perforate 314, can the conflict base plate 312 of framework 310 of the second end 346b of flexible fins 346, and flexible fins 346 can be out of shape with interference on support column 342 recurring structures and be produced back stretch upwards.After base 344 is passed down through perforate 314, supporting structure 340 is horizontally rotated once more to the minor face S2 of the parallel perforate 314 of length limit L1 of base 344.Because the length of the long limit L1 of base 344, adds that flexible fins 346 produces back stretch upwards, can make base 344 upwards be bearing on framework 310, so that supporting structure 340 is fixed on the framework 310 greater than the length of the minor face S2 of perforate 314.
Owing to the present invention's supporting structure 340 is to utilize the elasticity of self to be fixed on the framework 310, therefore the framework turn-over need not be utilized the screw locking, so the present invention's supporting structure 340 has easier assembling mode.In addition, the present invention does not need additionally spring to be set so that supporting structure 340 has the effect of bolster, so direct type backlight module of the present invention 300 can have lower manufacturing cost.In addition, the sheet metal of framework 310 (not having complicated groove structure) simple in structure can make the expense of making framework 310 reduce.
Referring again to Fig. 3 A, for further improving the quality of direct type backlight module 300, direct type backlight module 300 also can comprise optical diaphragm group 350, it is arranged on the diffuser plate 330, and diffuser plate 330 is between optical diaphragm group 350 and light source, wherein optical diaphragm group 350 can comprise diffusion sheet, brightening piece and prismatic lens at least one of them.In the present embodiment, optical diaphragm group 350 for example is to comprise two diffusion sheet 350a and brightening piece 350b, with the uniformity coefficient of further raising area source, and makes the area source convergence to reach brightening effect.In addition, light source 320 for example is a cathode fluorescent tube, and certainly, light source 320 also can be light emitting diode or other suitable light sources.
Although it should be noted that in the aforementioned embodiment, the base 344 of supporting structure 340 be shaped as rectangular parallelepiped, but, the present invention does not limit the shape of base.Below, other is lifted the supporting structure of other forms and the description of drawings of arranging in pairs or groups.
Fig. 4 A is according to the supporting structure of another embodiment of the present invention and the three-dimensional exploded view of framework, and Fig. 4 B is the supporting structure of Fig. 4 A and sectional view after framework combines.Please refer to Fig. 4 A and Fig. 4 B, the supporting structure 440 of present embodiment and framework 410 are similar to the supporting structure 340 and the framework 310 (shown in Fig. 3 B) of previous embodiment, obscure for avoiding causing, the member of same names can be represented with different labels in the diagram, but it still has identical function.The supporting structure 440 of present embodiment comprises support column 442, base 444 and at least one flexible fins 446 (expression is two among the figure).Support column 442 has top 442a, bottom 442b, and wherein bottom 442b is connected with base 444, and flexible fins 446 is the side surface 442c that are connected in support column 442.
Accept above-mentionedly, base 444 comprises body 444a and at least one holding part 444b (expression is two among the figure), and holding part 444b is the side surface (not shown) that is connected in body 444a.In addition, the base plate 412 of framework 410 is provided with at least one perforate 414, and the shape of perforate 414 is shapes of the base 444 of corresponding supporting structure 440.In the present embodiment, the shape of the body 444a of base 444 can be cylindric, and holding part 444b can be the semicircle projection that protrudes from body 444a, so the shape of corresponding perforate 414 is promptly served as reasons circular and two semicircles constitute, so that base 444 is passed perforate 414.In addition, the base plate 412 of framework 410 also is provided with the draw-in groove 416 of collocation holding part 444b in perforate 414 places.
After base 444 is passed down through perforate 414, supporting structure 440 is horizontally rotated, so that the corresponding draw-in groove 416 in the position of holding part 444b.Because flexible fins 446 produces back stretch upwards, can make base 444 upwards be bearing on framework 410, and holding part 444b can be placed in the draw-in groove 416, rotates to prevent supporting structure 440.Subsidiary one what carry is that the supporting structure 440 of present embodiment also is applicable to supporting diffuser plate (with the supporting structure 340 of aforementioned embodiment), and the embodiment preamble has all described in detail, just repeats no more herein.
Fig. 5 is the three-dimensional exploded view according to the liquid crystal indicator of one embodiment of the invention.Please refer to Fig. 5, liquid crystal indicator 500 of the present invention comprises display panels 510 and direct type backlight module 520, wherein direct type backlight module 520 is the back side that is arranged at display panels 510, and direct type backlight module 520 can be the direct type backlight module (as shown in Figure 3A) of previous embodiment or other have the direct type backlight module of feature of the present invention.Particularly, direct type backlight module 520 has supporting structure 522, and supporting structure 522 can be the supporting structure (shown in Fig. 3 B and Fig. 4 A) of aforementioned each embodiment or other have the supporting structure 522 of feature of the present invention.
Because the direct type backlight module 520 of the present invention's liquid crystal indicator 500 has stabilized quality and easy assembling mode, so liquid crystal indicator 500 can have preferable quality and lower manufacturing cost.Subsidiary one carry be, for ease of assembling display panels 510 and direct type backlight module 520, the person of ordinary skill in the field when the fixed mechanism of recycling as housing 530 with location display panels 510 and direct type backlight module 520.Specifically, housing 530 is the fronts that are arranged at display panels 510, and is connected with holding liquid crystal display panel 510 with the framework 524 of direct type backlight module 520.
In sum, direct type backlight module of the present invention, supporting structure and liquid crystal indicator have following advantage at least:
One, be subjected to external force and produce when vibration when diffuser plate, the flexible fins of supporting structure can make supporting structure as bolster, to avoid the diffuser plate wearing and tearing.So, direct type backlight module and liquid crystal indicator can have stabilized quality.
Two, supporting structure is to utilize the elasticity of self and be fixed on the framework, and assembling mode is easy, so can reduce assembling man-hour.
Three, the present invention does not need additionally to be provided with spring or screw with the assembling supporting structure or make supporting structure have the effect of bolster, so direct type backlight module and liquid crystal indicator can have lower manufacturing cost.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; any person of ordinary skill in the field; without departing from the spirit and scope of the invention; when can doing a little change and improvement, so protection scope of the present invention is as the criterion when looking the claim person of defining.

Claims (14)

1. direct type backlight module is characterized in that comprising:
Framework, it has base plate, and is provided with at least one perforate at this base plate;
A plurality of light sources are arranged in this framework;
Diffuser plate is arranged at above-mentioned these light source tops;
At least one supporting structure is arranged between this diffuser plate and this framework, and this supporting structure comprises:
Support column penetrates this perforate, and this support column has top and bottom, and this top is used to support this diffuser plate, and this bottom passes this base plate of this framework;
Base, it is connected with the bottom of this support column; And
At least one flexible fins, it is connected with this support column, and this base plate of this framework of conflicting.
2. direct type backlight module according to claim 1, the material that it is characterized in that this flexible fins is plastic cement or transparent material.
3. direct type backlight module according to claim 1 is characterized in that this supporting structure is one of the forming.
4. direct type backlight module according to claim 1, it is characterized in that this support column has a side surface, and this flexible fins has the first relative end and second end, and wherein this first end is connected in this side surface of this support column, and this second end is used for moving on this base plate of this framework.
5. direct type backlight module according to claim 1 is characterized in that the rectangular parallelepiped that is shaped as of this base.
6. direct type backlight module according to claim 1 it is characterized in that this base comprises body and holding part, and this body has a side surface, and this holding part is connected in this side surface of this body.
7. direct type backlight module according to claim 6 is characterized in that being shaped as of this body is cylindric.
8. direct type backlight module according to claim 1 is characterized in that also comprising optical diaphragm group, be arranged on this diffuser plate, and this diffuser plate is between this optical diaphragm group and above-mentioned these light sources.
9. direct type backlight module according to claim 1 is characterized in that being shaped as of this support column is coniform.
10. liquid crystal indicator is characterized in that comprising:
Display panels; And
Direct type backlight module, its according to claim 1, this direct type backlight module is the below that is arranged at this display panels.
11. liquid crystal indicator according to claim 10 also comprises housing, is arranged at the front of this display panels, and with this this display panels of framework clamping.
12. liquid crystal indicator according to claim 10, the material that it is characterized in that this flexible fins is plastic cement or transparent material.
13. liquid crystal indicator according to claim 10 is characterized in that this supporting structure is one of the forming.
14. liquid crystal indicator according to claim 10, it is characterized in that this support column has a side surface, and this flexible fins has the first relative end and second end, and wherein this first end is connected in this side surface of this support column, and this second end is used for moving on this base plate of this framework.
CN 200610078332 2006-05-11 2006-05-11 Direct type backlight module and liquid crystal display device Pending CN101071229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200610078332 CN101071229A (en) 2006-05-11 2006-05-11 Direct type backlight module and liquid crystal display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200610078332 CN101071229A (en) 2006-05-11 2006-05-11 Direct type backlight module and liquid crystal display device

Publications (1)

Publication Number Publication Date
CN101071229A true CN101071229A (en) 2007-11-14

Family

ID=38898519

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200610078332 Pending CN101071229A (en) 2006-05-11 2006-05-11 Direct type backlight module and liquid crystal display device

Country Status (1)

Country Link
CN (1) CN101071229A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102159883A (en) * 2008-11-05 2011-08-17 夏普株式会社 Support unit, lighting device, and display device
CN102459992A (en) * 2009-06-15 2012-05-16 夏普株式会社 Illumination device, display device, and television receiver
CN102829449A (en) * 2012-08-17 2012-12-19 深圳市华星光电技术有限公司 Back plate component and liquid crystal display
WO2013155698A1 (en) * 2012-04-16 2013-10-24 深圳市华星光电技术有限公司 Direct backlight module and liquid crystal display device
CN103472624A (en) * 2012-04-16 2013-12-25 深圳市华星光电技术有限公司 Direct type backlight module and LCD (Liquid Crystal Display) device
CN109283741A (en) * 2017-07-21 2019-01-29 乐金显示有限公司 Diffuser plate supporting member, back light unit and electronic equipment
CN112445026A (en) * 2019-08-29 2021-03-05 苏州乐轩科技有限公司 Backlight module and display device with same
CN113805380A (en) * 2020-06-15 2021-12-17 夏普株式会社 Display device
WO2023206199A1 (en) * 2022-04-28 2023-11-02 京东方科技集团股份有限公司 Backlight module and liquid crystal display device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102159883A (en) * 2008-11-05 2011-08-17 夏普株式会社 Support unit, lighting device, and display device
CN102459992B (en) * 2009-06-15 2015-01-14 夏普株式会社 Illumination device, display device, and television receiver
CN102459992A (en) * 2009-06-15 2012-05-16 夏普株式会社 Illumination device, display device, and television receiver
CN103472624B (en) * 2012-04-16 2015-09-30 深圳市华星光电技术有限公司 A kind of down straight aphototropism mode set and liquid crystal indicator
CN103472624A (en) * 2012-04-16 2013-12-25 深圳市华星光电技术有限公司 Direct type backlight module and LCD (Liquid Crystal Display) device
WO2013155698A1 (en) * 2012-04-16 2013-10-24 深圳市华星光电技术有限公司 Direct backlight module and liquid crystal display device
CN102829449A (en) * 2012-08-17 2012-12-19 深圳市华星光电技术有限公司 Back plate component and liquid crystal display
CN109283741A (en) * 2017-07-21 2019-01-29 乐金显示有限公司 Diffuser plate supporting member, back light unit and electronic equipment
CN109283741B (en) * 2017-07-21 2021-08-20 乐金显示有限公司 Diffusion plate support, backlight unit and electronic apparatus
CN112445026A (en) * 2019-08-29 2021-03-05 苏州乐轩科技有限公司 Backlight module and display device with same
CN112445026B (en) * 2019-08-29 2023-09-19 苏州乐轩科技有限公司 Backlight module and display device with same
CN113805380A (en) * 2020-06-15 2021-12-17 夏普株式会社 Display device
WO2023206199A1 (en) * 2022-04-28 2023-11-02 京东方科技集团股份有限公司 Backlight module and liquid crystal display device

Similar Documents

Publication Publication Date Title
CN101071229A (en) Direct type backlight module and liquid crystal display device
CN101344681B (en) Backlight module with reflector plate buckling design and panel display apparatus
US8531624B2 (en) LCD device
US7192149B2 (en) Direct type backlight module
US8662693B2 (en) Backlight module and display device utilizing the same
WO2011013406A1 (en) Edge-light-type illuminating device, liquid crystal display device, and television receiver
US7570313B2 (en) Frame and liquid crystal display module utilizing the same
CN102982736A (en) Display device
CN102203499A (en) Illuminating device and display device
EP3425262B1 (en) Light emitting device, display apparatus, and illumination apparatus
CN102621744A (en) Liquid crystal display device
US7824050B2 (en) Diffusion plate and backlight module using the same
CN201706345U (en) Backlight module and liquid crystal displaying device
CN101109868A (en) Directly-down backlight component
CN101114078A (en) Backlight component and LCD thereof
CN203082706U (en) Novel direct-light-type light-emitting diode (LED) backlight module
JP2012053119A (en) Liquid crystal module
CN101871599B (en) Backlight module
CN201096310Y (en) Side light type backlight module group structure
KR20140091834A (en) Backlight module and display apparatus having the same
CN101509640A (en) Back light module and liquid crystal display device
CN100426070C (en) Backlight module, and supporting set for optical sheet subassembly
CN106461999B (en) Display device
CN109661810B (en) Display device
CN100388078C (en) Backlight module

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication