CN102235620A - Liquid crystal display device and backlight module thereof - Google Patents
Liquid crystal display device and backlight module thereof Download PDFInfo
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- CN102235620A CN102235620A CN2010101705105A CN201010170510A CN102235620A CN 102235620 A CN102235620 A CN 102235620A CN 2010101705105 A CN2010101705105 A CN 2010101705105A CN 201010170510 A CN201010170510 A CN 201010170510A CN 102235620 A CN102235620 A CN 102235620A
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- joint portion
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- backlight module
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Abstract
The invention discloses a liquid crystal display device, which comprises a display panel, a circuit board and a backlight module, wherein a first end of the circuit board is connected to the display panel; the backlight module comprises a back shell, a light guide plate, a luminous element and a frame; a second end of the circuit board is contacted with the bottom surface of the back shell; the light guide plate is arranged in the back shell; the luminous element is fixedly arranged on the circuit board; a second combining part of the luminous element is clamped to a first combining part of the back shell; and the frame is used for supporting the display panel and is combined with the back shell. Therefore, the frame, the light guide plate and the back shell are combined together.
Description
Technical field
The present invention relates to a kind of display equipment, relate in particular to a kind of display equipment, its by first and second joint portion the engaging mode and seize the mode of seizing on both sides by the arms of part on both sides by the arms, light-emitting component can be strengthened being fixed in this shell on the back.
Background technology
Along with the progress of electronics technology, the accompanied electronic product is in vogue especially in daily life, increases day by day for the demand of the display compact, that power consumption is low.LCD device because have that power consumption is low, caloric value is few, the advantage of in light weight and non-light emitting type display device or the like, be often used in this type of the electronic product, even progressively replace traditional cathode-ray tube display.
With reference to figure 1, the LCD device 10 of prior art mainly comprises preceding frame 12, display panels 14 and backlight module 20.This display panels 14 has liquid crystal layer (not shown) and is arranged between a pair of upper and lower base plate (not shown), in order to show image.This backlight module 20 enters this display panels 14 in order to light source to be provided, and is bonded to each other with this preceding frame 12 and this display panels 14 and backlight module 20 are combined into this LCD device 10.The LCD device 10 of prior art also comprises printed circuit board (PCB) (PCB) 16 or flexible electric circuit board (FPC), is delivered to this display panels 14 in order to will control and drive signal.
Present owing to light emitting diode (LED) light source is light source first-selection of future generation and has plurality of advantages, such as characteristic, therefore can be widely used in the backlight module of LCD device with power saving.
With reference to figure 2, this backlight module 20 comprises shell on the back (housing) 32, LGP 22, light-emitting diode light bar 24, reflector plate 28, optical diaphragm group 30 and framework (frame) 34.This shell on the back 32 is in order to holding this LGP 22, and comprises that four side plates 42 and a base plate 44, four side plates 42 are connected in four limits of base plate 44.This LGP 22 is disposed in this shell on the back 32, that is LGP 22 is disposed on the base plate 44 of this shell on the back 32.This light-emitting diode light bar (LED light bar) 24 comprises a plurality of LED source 24a and a circuit board 24b.These LED sources 24a is disposed on the side plate 42 of this shell on the back 32.This reflector plate 28 is disposed between this LGP 22 and the base plate 44.This optical diaphragm group 30 such as a plurality of diffusion sheets or prismatic lens, is disposed on this LGP 22.This framework 34 combines with shell on the back 32, in order to this LGP 22, light-emitting diode light bar 24, reflector plate 28 and optical diaphragm group 30 are fixed between this shell on the back 32 and the framework 34.
With reference to figure 3, the generalized section of the LCD device 10 after the assembling of its demonstration Fig. 1.Because the required control signal of this LED source 24a must be imported by this circuit board 24b, but not pass through the printed circuit board (PCB) 16 of this display panels 14, therefore will increase the cost of circuit board.
Therefore, a kind of display equipment need be provided, aforesaid problem can be solved.
Summary of the invention
The invention provides a kind of display equipment and comprise display floater, circuit board and backlight module.This circuit board has first end and second end, and this first end is connected to this display floater.This backlight module comprises shell on the back, LGP, light-emitting component and framework.This shell on the back comprises first joint portion, wherein the bottom surface of second this shell on the back of end in contact of this circuit board.This LGP is disposed in this shell on the back.This light-emitting component is fixedly arranged on the surface of this circuit board, and comprises second joint portion, and this second joint portion is sticked in first joint portion of this shell on the back, and wherein the light-emitting area of this light-emitting component is pointed to the incidence surface of this LGP.This framework is in order to supporting this display floater, and combines with this shell on the back, thus this framework, this LGP and this shell on the back combined.
Because therefore the required control signal of light-emitting component of the present invention can must can not reduce the cost of circuit board by another additional circuit plate input by the circuit board input identical with display panels.Moreover, by the engaging mode of first and second joint portion of the present invention, this light-emitting component can be fixed in this shell on the back.In addition, by the mode of seizing on both sides by the arms of seizing part on both sides by the arms of the present invention, this light-emitting component can be strengthened being fixed in this shell on the back.
In order to allow above-mentioned and other purpose of the present invention, feature and the advantage can be more obvious,, be described in detail below hereinafter with conjunction with figs..
Description of drawings
Fig. 1 is the perspective exploded view of the LCD device of prior art;
Fig. 2 is the perspective exploded view of the backlight module of prior art;
Fig. 3 is the local amplification profile schematic diagram of the LCD device after the assembling of prior art;
Fig. 4 is the perspective exploded view of the LCD device of one embodiment of the invention;
Fig. 5 is the perspective exploded view of the backlight module of this embodiment of the present invention;
Fig. 6 is a floor map, the shell on the back of this embodiment of the present invention of its demonstration Fig. 5 and the relative position between the LGP;
Fig. 7 is the local amplification profile schematic diagram of the LCD device after the present invention assembling;
Fig. 8 is a floor map, the relative position among its demonstration Fig. 7 between shell on the back, LGP and the light-emitting component of this embodiment of the present invention;
Fig. 9 is a floor map, the relative position among its demonstration Fig. 7 between shell on the back, LGP and the light-emitting component of another embodiment of the present invention; And
Figure 10 is a floor map, the relative position among its demonstration Fig. 7 between shell on the back, LGP and the light-emitting component of further embodiment of this invention.
[main element symbol description]
Frame before 10 LCD devices 12
14 liquid crystal panels, 16 printed circuit board (PCB)s
20 backlight modules, 22 LGPs
24 light-emitting diode light bar 24a LED sources
30 optical diaphragm group, 32 shell on the backs
34 frameworks, 42 side plates
44 base plates
Frame before 110 LCD devices 112
114 liquid crystal panels, 116 circuit boards
120 backlight modules, 122 LGPs
123 incidence surfaces, 124 light-emitting components
128 reflector plates
130 optical diaphragm group, 132 shell on the backs
134 frameworks, 142 side plates
144 base plates, 145 openings
146 bottom surfaces
152 first ends, 154 second ends
162 first joint portions, 164 protuberances
166 light-emitting component rest areas, 168 recesses
172 second joint portions, 174 recesses
176 light-emitting areas, 178 protuberances
180 seize part on both sides by the arms
The specific embodiment
With reference to figure 4, it shows the display equipment (such as LCD device 110) of one embodiment of the invention.This LCD device 110 comprises preceding frame 112, display floater (such as display panels 114) and backlight module 120.This display panels 114 has liquid crystal layer (not shown) and is arranged between a pair of upper and lower base plate (not shown), in order to show image.This backlight module 120 enters this display panels 114 in order to light source to be provided, and is bonded to each other with this preceding frame 112 and this display panels 114 and backlight module 120 are combined into this LCD device 110.This circuit board 116 such as printed circuit board (PCB) (PCB) or flexible electric circuit board (FPC), is delivered to this display panels 114 in order to will control and drive signal.This circuit board 116 has first end 152 and second end 154, and this first end 152 is connected to this display panels 114.At least one light-emitting component 124 is fixedly arranged on the surface of this circuit board 116.This light-emitting component 124 can be light emitting diode (LED) light source.
With reference to figure 5, this backlight module 120 comprises shell on the back (housing) 132, LGP 122, reflector plate 128, optical diaphragm group 130 and framework (frame) 134.This shell on the back 132 comprises that four side plates 142 and a base plate 144, four side plates 142 are connected in four limits of base plate 144.This LGP 122 is disposed in this shell on the back 132, that is LGP 122 is disposed on the base plate 144 of this shell on the back 132.This reflector plate 128 is disposed between this LGP 122 and the base plate 144.This optical diaphragm group 130 such as a plurality of diffusion sheets or prismatic lens, is disposed on this LGP 122.This framework is in order to supporting this display floater, and combines with this shell on the back 132, thus this framework 134, this LGP 122, reflector plate 128, optical diaphragm group 130 and this shell on the back 132 combined.
Fig. 6 is a floor map, and it shows the shell on the back 132 of Fig. 5 and the relative position between the LGP 122.This shell on the back 132 comprises first joint portion 162, and it is positioned at light-emitting component rest area 166.In the present embodiment, this first joint portion 162 comprises at least one protuberance 164.This base plate 144 is provided with opening 145, and it is corresponding to this light-emitting component rest area 166.
With reference to figure 7, the generalized section of the LCD device 110 after the assembling of its demonstration Fig. 4.The bottom surface 146 of second end, 154 these shell on the backs 132 of contact of this circuit board 116, that is the part of this circuit board 116 after the assembling can be folded to the bottom surface 146 of this shell on the back 132.This light-emitting component 124 is positioned at the surface of this circuit board 116, and comprises second joint portion 172.This light-emitting component 124 after the assembling can pass this opening 145, and this second joint portion 172 is sticked in first joint portion 162 of this shell on the back 132, thus this light-emitting component 124 is fixed in the light-emitting component rest area 166 of this shell on the back 132, also is about to the surface that this light-emitting component 124 is fixed in the side plate 142 of this shell on the back 132.The light-emitting area 176 of this light-emitting component 124 is pointed to the incidence surface 123 of this LGP 122.Specifically, the present invention is incorporated into this light-emitting component 124 in this backlight module 120 by external card, can omit the circuit board of the light-emitting diode light bar on the backlight module of prior art, can reduce product cost thus.
In the present embodiment, Fig. 8 is a floor map, the relative position between shell on the back 132, LGP 122 and the light-emitting component 124 of its demonstration Fig. 7.Second joint portion 172 of this light-emitting component 124 comprises at least one recess 174, and this recess 174 is sticked in this protuberance 164, thus this light-emitting component 124 is fixed in this light-emitting component rest area 166.The volume of this protuberance 164 can equal the volume of this recess 174 substantially.This second joint portion 172 can be sticked in this first joint portion 162 by last push-down stack mode.This protuberance 164 can be rectangular block shape, circular bulk or cross bulk.This second joint portion 172 can by about slip into mode and be sticked in this first joint portion 162.The section of this protuberance 164 can be dovetail (dovetail), rectangle or trapezoidal profile.
In another embodiment, Fig. 9 is a floor map, the relative position between shell on the back 132, LGP 122 and the light-emitting component 124 of its demonstration Fig. 7.First joint portion 162 of this shell on the back 132 comprises at least one recess 168, second joint portion 172 of this light-emitting component 124 comprises at least one protuberance 178, and this protuberance 178 is sticked in this recess 168, thus this light-emitting component 124 is fixed on this light-emitting component rest area 166.The volume of this protuberance 178 can equal the volume of this recess 168 substantially.
In another embodiment, Figure 10 is a floor map, the relative position between shell on the back 132, LGP 122 and the light-emitting component 124 of its demonstration Fig. 7.This shell on the back 132 also comprises seizes part 180 on both sides by the arms, and such as two spring leafs, it is positioned at this light-emitting component rest area 166, strengthens fixing this light-emitting component 124 in order to seize on both sides by the arms.
Because therefore the required control signal of light-emitting component of the present invention can must can not reduce the cost of circuit board by another additional circuit plate input by the circuit board input identical with display panels.Moreover, by the engaging mode of first and second joint portion of the present invention, this light-emitting component can be fixed in this shell on the back.In addition, by the mode of seizing on both sides by the arms of seizing part on both sides by the arms of the present invention, this light-emitting component can be strengthened being fixed in this shell on the back.
Though the present invention discloses with previous embodiment, so it is not in order to qualification the present invention, any general technical staff of the technical field of the invention, without departing from the spirit and scope of the present invention, when doing various modification and modification.Therefore protection scope of the present invention should be as the criterion with the scope of claim.
Claims (22)
1. backlight module, it is applied to display equipment, and described display equipment comprises display floater and circuit board, and described circuit board has first end and second end, and described first end is connected to described display floater, and described backlight module comprises:
Shell on the back comprises first joint portion, the bottom surface of the described shell on the back of second end in contact of wherein said circuit board;
LGP is disposed in the described shell on the back; And
At least one light-emitting component is fixedly arranged on the surface of described circuit board, and comprises second joint portion, and described second joint portion is sticked in described first joint portion, and the light-emitting area of wherein said light-emitting component is pointed to the incidence surface of described LGP.
2. backlight module according to claim 1 also comprises framework, in order to supporting described display floater, and combines with described shell on the back, thus described framework, described LGP and described shell on the back is combined.
3. backlight module according to claim 1, wherein said first joint portion comprises at least one protuberance, described second joint portion comprises at least one recess, and described protuberance is sticked in described recess.
4. backlight module according to claim 1, wherein said first joint portion comprises at least one recess, described second joint portion comprises at least one protuberance, and described protuberance is sticked in described recess.
5. according to claim 3 or 4 described backlight modules, the volume of wherein said protuberance equals the volume of described recess substantially.
6. according to claim 3 or 4 described backlight modules, wherein said second joint portion is sticked in described first joint portion by last push-down stack mode.
7. backlight module according to claim 6, wherein said protuberance are one of them of rectangular block shape, circular bulk or cross bulk.
8. according to claim 3 or 4 described backlight modules, wherein said second joint portion by about slip into mode and be sticked in described first joint portion.
9. backlight module according to claim 8, the section of wherein said protuberance are one of them of dovetail, rectangle or trapezoidal profile.
10. backlight module according to claim 1, wherein said shell on the back also comprise seizes part on both sides by the arms, in order to seize fixing described light-emitting component on both sides by the arms.
11. backlight module according to claim 1, wherein said light-emitting component are LED source.
12. a display equipment comprises:
Display floater;
Circuit board has first end and second end, and described first end is connected to described display floater; And
Backlight module comprises:
Shell on the back comprises first joint portion, the bottom surface of the described shell on the back of second end in contact of wherein said circuit board;
LGP is disposed in the described shell on the back; And
Light-emitting component is fixedly arranged on the surface of described circuit board, and comprises second joint portion, and described second joint portion is sticked in first joint portion of described shell on the back, and the light-emitting area of wherein said light-emitting component is pointed to the incidence surface of described LGP.
13. display equipment according to claim 12, wherein said backlight module comprises framework, in order to supporting described display floater, and combines with described shell on the back, thus described framework, described LGP and described shell on the back is combined.
14. display equipment according to claim 12, wherein said first joint portion comprises at least one protuberance, and described second joint portion comprises at least one recess, and described protuberance is sticked in described recess.
15. display equipment according to claim 12, wherein said first joint portion comprises at least one recess, and described second joint portion comprises at least one protuberance, and described protuberance is sticked in described recess.
16. according to claim 14 or 15 described display equipments, the volume of wherein said protuberance equals the volume of described recess substantially.
17. according to claim 14 or 15 described display equipments, wherein said second joint portion is sticked in described first joint portion by last push-down stack mode.
18. display equipment according to claim 17, wherein these protuberances are rectangular block shape, circular bulk or cross bulk.
19. according to claim 14 or 15 described display equipments, wherein said second joint portion by about slip into mode and be sticked in described first joint portion.
20. display equipment according to claim 19, the section of wherein said protuberance are dovetail, rectangle or trapezoidal profile one of them.
21. also comprising, display equipment according to claim 12, wherein said shell on the back seize part on both sides by the arms, in order to seize fixing described light-emitting component on both sides by the arms.
22. display equipment according to claim 12, wherein said light-emitting component are LED source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010170510.5A CN102235620B (en) | 2010-04-30 | 2010-04-30 | LCD device and backlight module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010170510.5A CN102235620B (en) | 2010-04-30 | 2010-04-30 | LCD device and backlight module thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102235620A true CN102235620A (en) | 2011-11-09 |
| CN102235620B CN102235620B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010170510.5A Active CN102235620B (en) | 2010-04-30 | 2010-04-30 | LCD device and backlight module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102235620B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143204A1 (en) * | 2012-03-30 | 2013-10-03 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
| WO2013166747A1 (en) * | 2012-05-09 | 2013-11-14 | 深圳市华星光电技术有限公司 | Backlight module |
| US8870440B2 (en) | 2012-03-30 | 2014-10-28 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Back light module and liquid crystal display device having the same |
| CN105674147A (en) * | 2016-01-14 | 2016-06-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106373500A (en) * | 2016-11-04 | 2017-02-01 | 上海控易电子科技有限公司 | Liquid crystal display |
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| US20060285353A1 (en) * | 2005-06-17 | 2006-12-21 | Samsung Electronics Co., Ltd. | Liquid crystal display apparatus |
| CN101063756A (en) * | 2006-04-29 | 2007-10-31 | 胜华科技股份有限公司 | Optical displaying module with heat sinking structure |
| CN101526199A (en) * | 2008-03-04 | 2009-09-09 | 瀚宇彩晶股份有限公司 | Backlight module and light-emitting device thereof |
| CN101526185A (en) * | 2009-04-22 | 2009-09-09 | 上海广电光电子有限公司 | LED backlight module |
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2010
- 2010-04-30 CN CN201010170510.5A patent/CN102235620B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060285353A1 (en) * | 2005-06-17 | 2006-12-21 | Samsung Electronics Co., Ltd. | Liquid crystal display apparatus |
| CN101063756A (en) * | 2006-04-29 | 2007-10-31 | 胜华科技股份有限公司 | Optical displaying module with heat sinking structure |
| CN101526199A (en) * | 2008-03-04 | 2009-09-09 | 瀚宇彩晶股份有限公司 | Backlight module and light-emitting device thereof |
| CN101526185A (en) * | 2009-04-22 | 2009-09-09 | 上海广电光电子有限公司 | LED backlight module |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013143204A1 (en) * | 2012-03-30 | 2013-10-03 | 深圳市华星光电技术有限公司 | Liquid crystal display device and backlight module thereof |
| US8870440B2 (en) | 2012-03-30 | 2014-10-28 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Back light module and liquid crystal display device having the same |
| WO2013166747A1 (en) * | 2012-05-09 | 2013-11-14 | 深圳市华星光电技术有限公司 | Backlight module |
| CN105674147A (en) * | 2016-01-14 | 2016-06-15 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106373500A (en) * | 2016-11-04 | 2017-02-01 | 上海控易电子科技有限公司 | Liquid crystal display |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102235620B (en) | 2016-06-29 |
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