CN103148408A - Backlight module group and display equipment of backlight module group - Google Patents
Backlight module group and display equipment of backlight module group Download PDFInfo
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- CN103148408A CN103148408A CN2013100368589A CN201310036858A CN103148408A CN 103148408 A CN103148408 A CN 103148408A CN 2013100368589 A CN2013100368589 A CN 2013100368589A CN 201310036858 A CN201310036858 A CN 201310036858A CN 103148408 A CN103148408 A CN 103148408A
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Abstract
The invention discloses a backlight module group and display equipment of the backlight module group, wherein the back light module group comprises a back plate, a light guide plate and a light emitting diode device, the back plate is provided with a bottom plate part and a side frame part, the side frame part surrounds and vertically stands on the bottom plate part, the light guide plate is arranged on the bottom plate part and is provided with at least one light inlet side and one light outlet side, the light outlet side is in adjacent to the light inlet side, and the light inlet side is opposite to the side frame part and is provided with a recessed part. The light emitting diode device is arranged on the side frame part and is accommodated in the recessed part, the recessed part is in butt joint on at least one of the side frame part and the light emitting diode device so that the light emitting diode device and the light inlet side maintain a specific distance, the light emitting diode device is used for emitting light rays to the light inlet side, and the light rays are emitted out from the light outlet side. The backlight module group has the advantages that the light emitting diode and the light inlet side can maintain the specific distance so that the heated fusion of the light inlet side of the light guide plate can be avoided, the optical performance of the backlight module group can be improved, and the problem of integral intensity reduction caused by structural deformation of the back plate can also be solved.
Description
Technical field
The present invention is about a kind of backlight module and display device thereof, and on espespecially a kind of light inlet side of utilizing LGP, formed depressed part or butt projection are connected to backlight module and the display device thereof on one of them at least of light-emitting diode device and backboard.
Background technology
because liquid crystal itself is not luminous, for can be normally show image, the method of using now be utilize backlight module with the area source that adequate brightness is provided and is evenly distributed to display panels, and then make display panels demonstrate corresponding image, hence one can see that, backlight module is one of key element of display panels, and the luminescent designs that it uses is mainly light-emittingdiode (the Light Emitting Diode that utilizes on the light inlet side that is arranged at LGP, LED) the device emission of light is to be incident in LGP, produce via the leaded light design of LGP the area source that has adequate brightness and be evenly distributed again.
In actual applications; for the light inlet side that makes light-emittingdiode and LGP occurs at a distance of the situation of specific range with the light inlet side melted by heating of avoiding LGP; display panels usually can adopt and be formed with bending structure on metal backing to be connected to the design on LGP; it can be as shown in Figure 1; Fig. 1 is the part-structure top view of the display device 10 of prior art; display device 10 comprises backlight module and display floater 14, and wherein display floater 14 shows it with dotted line.Backlight module comprises backboard 16, LGP 18 and light-emitting diode device 20, backboard 16 has bending abutting part 22, LGP 18 is arranged on backboard 16 and has light inlet side 24 and bright dipping side 26, light-emitting diode device 20 is arranged on the position of corresponding light inlet side 24, use and light that light-emitting diode device 20 launches can be incident in LGP 18 and from bright dipping side 26 from light inlet side 24 penetrate, display floater 14 is to be arranged on backlight module, is used for receiving the light that penetrates from bright dipping side 26 to carry out follow-up image display.As shown in Figure 1, bending abutting part 22 is used for butt LGP 18 so that light-emitting diode device 20 can be at a distance of specific range D1 with the light inlet side 24 of LGP 18, use the situation generation that the heat energy of avoiding light-emitting diode device 20 to produce can directly be passed to the light inlet side 24 of LGP 18 when running, so can effectively solve the problem of light inlet side 24 melted by heating of LGP 18.
Yet; complete because the moulding of bending abutting part 22 need to coordinate extra machining processing procedure (as the pressing and bending processing procedure etc.), therefore above-mentioned design has the problem that manufacturing cost increases and backboard 16 causes its bulk strength to reduce because of malformation of backlight module 12 usually.
Summary of the invention
Therefore, one of purpose of the present invention is to provide a kind of backlight module and display device thereof, make its light-emittingdiode and light inlet side at a distance of specific range, thereby the heat energy of avoiding light-emittingdiode to produce when running can directly be passed to the problem that the light inlet side of LGP causes melted by heating, promote the optical appearance of backlight module, and solve the problem that backboard causes its bulk strength to reduce because of malformation.
For reaching above-mentioned purpose, the invention provides a kind of backlight module, it comprises backboard, LGP and light-emitting diode device.This backboard has base plate and frame section, this frame section around and stand on this base plate.This LGP is arranged on this base plate and has the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section, and this light inlet side the first sidepiece of having depressed part and avoiding this depressed part.This light-emitting diode device is arranged in this frame section and is placed in this depressed part, this first sidepiece be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range, this light-emitting diode device is used for emission of light to this light inlet side and penetrates from this bright dipping side.
As optional technical scheme, this light-emitting diode device comprises: circuit board, this circuit board are arranged in this frame section, and this first sidepiece is connected on this circuit board so that this depressed part and this circuit board form accommodation space jointly; And at least one light-emittingdiode, be installed on this circuit board and be placed in this accommodation space, be used for emission of light.
As optional technical scheme, this depressed part has stepped sidewall, this light-emitting diode device comprises: circuit board, this circuit board is arranged in frame section, and this stepped sidewall and this first sidepiece are connected to respectively in this circuit board and this frame section so that this depressed part and this circuit board form accommodation space jointly; And at least one light-emittingdiode, be installed on this circuit board and be placed in this accommodation space, be used for emission of light.
The present invention separately provides a kind of display device, and it comprises backlight module and display floater.This backlight module comprises backboard, LGP and light-emitting diode device.This backboard has base plate and frame section, this frame section around and stand on this base plate.This LGP is arranged on this base plate and has the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section, and this light inlet side the first sidepiece of having depressed part and avoiding this depressed part.This light-emitting diode device is arranged in this frame section and is placed in this depressed part, this first sidepiece be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range, this light-emitting diode device is used for emission of light to this light inlet side and penetrates from this bright dipping side.This display floater is arranged on this backlight module, is used for receiving the light that penetrates from this bright dipping side.
As optional technical scheme, this light-emitting diode device comprises: circuit board, this circuit board are arranged in this frame section, and this first sidepiece is connected on this circuit board so that this depressed part and this circuit board form accommodation space jointly; And at least one light-emittingdiode, be installed on this circuit board and be placed in this accommodation space, be used for emission of light.
The present invention more provides a kind of backlight module, and it comprises backboard, LGP and light-emitting diode device.This backboard has base plate and frame section, this frame section around and stand on this base plate.This LGP is arranged on this base plate and has the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section and outstandingly be formed with at least one butt projection.This light-emitting diode device is arranged in this frame section, this butt projection be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range.
As optional technical scheme, this butt projection is step structure, and this light-emitting diode device comprises: circuit board, this circuit board are arranged in frame section, and this butt projection is connected to respectively in this circuit board and this frame section; And at least one light-emittingdiode, be installed on this circuit board, be used for emission of light.
The present invention more provides a kind of display device, and it comprises backlight module and display floater.This backlight module comprises backboard, LGP and light-emitting diode device.This backboard has base plate and frame section, this frame section around and stand on this base plate.This LGP is arranged on this base plate and has the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section and outstandingly be formed with at least one butt projection.This light-emitting diode device is arranged in this frame section, this butt projection be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range.This display floater is arranged on this backlight module, is used for receiving the light that penetrates from this bright dipping side.
As optional technical scheme, this light-emitting diode device comprises: circuit board, this circuit board are arranged in this frame section, and this butt projection is connected on this circuit board; And at least one light-emittingdiode, be installed on this circuit board, be used for emission of light.
As optional technical scheme, this butt projection is step structure, and this light-emitting diode device comprises: circuit board, this circuit board are arranged in frame section, and this butt projection is connected to respectively in this circuit board and this frame section; And at least one light-emittingdiode, be installed on this circuit board, be used for emission of light.
In sum, the present invention utilizes formed depressed part on the light inlet side of LGP or butt projection to be connected to the design on one of them at least of light-emitting diode device and backboard, produce and make light-emittingdiode and the light inlet side effect of specific range apart, by this, the backlight module provided by the present invention heat energy that can avoid light-emittingdiode to produce in when running situation that can directly be passed to the light inlet side of LGP occurs.Thus, the present invention can solve the problem of the light inlet side melted by heating of LGP mentioned in prior art effectively, thereby promotes the optical appearance of backlight module.In addition, from the above, backlight module provided by the present invention can not need additionally to use the situation of machining processing procedure to be issued to the spaced purpose of light inlet side that makes light-emittingdiode and LGP, therefore the present invention also can reduce further the whole manufacturing cost of backlight module and solve the problem that backboard mentioned in prior art causes its bulk strength to reduce because of malformation.
Can be by following detailed Description Of The Invention and appended graphic being further understood about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the part-structure top view of the display device of prior art.
Fig. 2 is the part-structure top view of the display device that proposes according to the first embodiment of the present invention.
Fig. 3 is the part-structure top view of the display device that proposes according to a second embodiment of the present invention.
Fig. 4 is the part-structure top view of the display device that proposes of a third embodiment in accordance with the invention.
The specific embodiment
See also Fig. 2, it is the part-structure top view of the display device 100 that proposes according to the first embodiment of the present invention, and display device 100 can be general common needs and disposes backlight module with the display as lighting source, as liquid crystal display etc.As shown in Figure 2, display device 100 comprises backlight module 102 and display floater 104, wherein for asking the clear design of depicting backlight module 102, display floater 104 shows it with dotted line in Fig. 2, display floater 104 is arranged on backlight module 102, be used for receiving from the emitted light that has adequate brightness and be evenly distributed of backlight module 102, for the use of follow-up image display.
Be described in detail in this element for backlight module 102, as shown in Figure 2, backlight module 102 comprises backboard 106, LGP 108 and light-emitting diode device 110.Backboard 106 has base plate 112 and frame section 114, frame section 114 around and stand on base plate 112.LGP 108 is arranged on base plate 112 and has bright dipping side 118 and at least one light inlet side 116 (shows one in Fig. 2, but not limit by this), bright dipping side 118 is adjacent with light inlet side 116, light inlet side 116 is relative with frame section 114, and the first sidepiece 130 that light inlet side 116 has depressed part 120 and avoids depressed part 120, in present embodiment, the first sidepiece 130 does not for example form the part of depressed part 120 for light inlet side 116, wherein the formation of depressed part 120 can utilize general common forming light guide plate processing procedure to complete, as ejection formation etc.light-emitting diode device 110 is arranged in frame section 114, wherein light-emitting diode device 110 can be preferably the lamp bar that is comprised of a plurality of light-emittingdiodes, in more detail, light-emitting diode device 110 can comprise circuit board 122 and at least one light-emittingdiode 124 (shows three in Fig. 2, but not limit by this), circuit board 122 is arranged in frame section 114 (fitting or screw locking mode etc. as utilizing viscose), light-emittingdiode 124 is installed on circuit board 122 to be used for emission of light, control and the cabling design as for the circuit between circuit board 122 and light-emittingdiode 124, its related description is common in prior art, therefore repeat no more in this.In this embodiment, the first sidepiece 130 of above-mentioned LGP 108 be connected on circuit board 122 so that the light inlet side 116 of light-emittingdiode 124 and LGP 108 at a distance of specific range D2, and depressed part 120 with the common accommodation space 126 that forms of circuit board 122 to be used for accommodating light-emittingdiode 124.
See through above-mentioned configuration, the light that light-emittingdiode 124 is launched can be via the light inlet side 116 of LGP 108 to be incident in LGP 108, then relend the leaded light design site layer structure etc. of the bottom surface of LGP 108 (as be formed at) of assistant director of a film or play's tabula rasa 108 and penetrate from the bright dipping side 118 of LGP 108, thereby provide the area source that has adequate brightness and be evenly distributed to display floater 104, for the use of follow-up image display.in above-mentioned light incident process, due to backlight module 102 utilize the first sidepiece 130 of LGP 108 to be connected to form on the circuit board 122 of light-emitting diode device 110 accommodation space 126 be configured to make light-emittingdiode 124 and the light inlet side 116 can be at a distance of specific range D2 as shown in Figure 2, therefore, the situation that the heat energy that backlight module 102 can avoid light-emittingdiode 124 to produce when running can directly be passed on light inlet side 116 occurs, thus, the present invention can solve the problem of the light inlet side melted by heating of LGP mentioned in prior art effectively, thereby promote the optical appearance of backlight module.In addition, from the above, backlight module 102 can be not needing additionally to use the situation of machining processing procedure to be issued to the purpose that makes light-emittingdiode 124 spaced with the light inlet side 116 of LGP 108, therefore the present invention also can reduce further the whole manufacturing cost of backlight module and solve the problem that backboard mentioned in prior art causes bulk strength to reduce because of malformation.
Should be noted, the structural design of depressed part can be not limited to above-described embodiment, it also can change and adopts depressed part to be connected to design on backboard, for instance, see also Fig. 3, it is the part-structure top view of the display device 100 ' that proposes according to a second embodiment of the present invention, described element and the identical person of element number described in the first embodiment in a second embodiment, represent that it has similar function or structure, repeats no more in this.As shown in Figure 3, display device 100 ' comprises backlight module 102 ' and display floater 104, and backlight module 102 ' comprises backboard 106, light-emitting diode device 110 and LGP 108 '.the first sidepiece 130 that the light inlet side 116 of LGP 108 ' has depressed part 120 ' and avoids depressed part 120 ', in present embodiment, the first sidepiece does not for example form the part of depressed part 120 ' for light inlet side 116, in this embodiment, the first sidepiece 130 be connected in the frame section 114 of backboard 106 and make depressed part 120 ' with frame section 114 common accommodation spaces 126 ' that form to be used for accommodating light-emittingdiode 124 and circuit board 122, by this, display device 100 ' also can reach the light inlet side 116 that makes light-emittingdiode 124 and LGP 108 ' at a distance of the purpose of specific range D2, other related description as for display device 100 ', it can be analogized with reference to the first embodiment, repeat no more in this.
In addition, the present invention also can change the side-prominent design that is formed with the butt projection of light inlet of adopting LGP, for instance, see also Fig. 4, its display device that proposes for a third embodiment in accordance with the invention 100 " the part-structure top view; the element described in the 3rd embodiment and the identical person of element number described in the first embodiment, represent that it has similar function or structure, repeats no more in this.As shown in Figure 4, display device 100 " comprise backlight module 102 " and display floater 104, backlight module 102 " comprise backboard 106, light-emitting diode device 110 and LGP 108 ".LGP 108 " the outstanding at least one butt projection 128 (show in Fig. 4, but not limit by this) that is formed with of light inlet side 116, wherein the formation of butt projection 128 can utilize general common forming light guide plate processing procedure to complete, as ejection formation etc.In this embodiment, butt projection 128 can be step structure and is connected to respectively in the frame section 114 of the circuit board 122 of light-emitting diode device 110 and backboard 106 and forms accommodation space 126 " to be used for accommodating light-emittingdiode 124 and circuit board 122; by this; display device 100 " also can reach make light-emittingdiode 124 and LGP 108 " light inlet side 116 at a distance of the purpose of specific range D2; as for display device 100 " other related description, it can be analogized with reference to the first embodiment, repeats no more in this.
it is worth mentioning that, but the structural design interactive application of the structural design of above-mentioned depressed part and butt projection it, for instance, the depressed part of mentioning in the first embodiment and the second embodiment can change the design that employing has stepped sidewall, that is to say, in another embodiment, depressed part on the light inlet side of LGP of the present invention can utilize its stepped sidewall and the first sidepiece to be connected to respectively mode in the frame section of the circuit board of light-emitting diode device and backboard, reach the light inlet side of the light-emittingdiode that makes light-emitting diode device and LGP at a distance of the purpose of specific range, or, the butt projection of mentioning in the 3rd embodiment can be the single-order projection cube structure, that is to say, in another embodiment, on the light inlet side of LGP of the present invention the butt projection of outstanding formation can utilize its single-order projection cube structure only to be connected to mode in the frame section of the circuit board of light-emitting diode device or backboard, reach the light inlet side of the light-emittingdiode that makes light-emitting diode device and LGP at a distance of the purpose of specific range.In addition, adopting the butt projection is connected to embodiment on the circuit board of light-emitting diode device with its single-order projection cube structure in, the formation position of butt projection can be not limited on as shown in Figure 4 a side that is positioned at light-emitting diode device 110, and it also can change on the position in the gap that is formed at corresponding adjacent light-emittingdiode 124.
Compared to prior art, the present invention utilizes the first sidepiece on the light inlet side of LGP to form or the butt projection is connected to the design on one of them at least of light-emitting diode device and backboard, produce and make light-emittingdiode and the light inlet side effect of specific range apart, by this, the backlight module heat energy that can avoid light-emittingdiode to produce in when running situation that can directly be passed to the light inlet side of LGP occurs.Thus, the present invention can solve the problem of the light inlet side melted by heating of LGP mentioned in prior art effectively, thereby promotes the optical appearance of backlight module.In addition, from the above, backlight module of the present invention can not need additionally to use the situation of machining processing procedure to be issued to the spaced purpose of light inlet side that makes light-emittingdiode and LGP, therefore the present invention also can reduce further the whole manufacturing cost of backlight module and solve the problem that backboard mentioned in prior art causes its bulk strength to reduce because of malformation.
By the above detailed description of preferred embodiments, be to wish more to know to describe feature of the present invention and spirit, and with above-mentioned disclosed preferred embodiment, protection scope of the present invention limited.On the contrary, its objective is that hope can contain in the protection domain of claim of being arranged in of various changes and tool equality institute of the present invention wish application.Therefore, the protection domain of the claim that the present invention applies for should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.
Claims (10)
1. backlight module is characterized in that this backlight module comprises:
Backboard, this backboard have base plate and frame section, this frame section around and stand on this base plate;
LGP, this LGP are arranged on this base plate and have the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section, this light inlet side and the first sidepiece that has depressed part and avoid this depressed part; And
Light-emitting diode device, this light-emitting diode device is arranged in this frame section and is placed in this depressed part, this first sidepiece be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range, this light-emitting diode device is used for emission of light to this light inlet side and penetrates from this bright dipping side.
2. backlight module as claimed in claim 1 is characterized in that this light-emitting diode device comprises:
Circuit board, this circuit board are arranged in this frame section, and this first sidepiece is connected on this circuit board so that this depressed part and this circuit board form accommodation space jointly; And
At least one light-emittingdiode is installed on this circuit board and is placed in this accommodation space, is used for emission of light.
3. backlight module as claimed in claim 1, is characterized in that this depressed part has stepped sidewall, and this light-emitting diode device comprises:
Circuit board, this circuit board are arranged in frame section, and this stepped sidewall and this first sidepiece are connected to respectively in this circuit board and this frame section so that this depressed part and this circuit board form accommodation space jointly; And
At least one light-emittingdiode is installed on this circuit board and is placed in this accommodation space, is used for emission of light.
4. display device is characterized in that this display device comprises:
Backlight module, this backlight module comprises:
Backboard, this backboard have base plate and frame section, this frame section around and stand on this base plate;
LGP, this LGP are arranged on this base plate and have the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section, and this light inlet side the first sidepiece of having depressed part and avoiding this depressed part; And
Light-emitting diode device, this light-emitting diode device is arranged in this frame section and is placed in this depressed part, this first sidepiece be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range, this light-emitting diode device is used for emission of light to this light inlet side and penetrates from this bright dipping side; And
Display floater, this display floater is arranged on this backlight module, is used for receiving the light that penetrates from this bright dipping side.
5. display device as claimed in claim 4 is characterized in that this light-emitting diode device comprises:
Circuit board, this circuit board are arranged in this frame section, and this first sidepiece is connected on this circuit board so that this depressed part and this circuit board form accommodation space jointly; And
At least one light-emittingdiode is installed on this circuit board and is placed in this accommodation space, is used for emission of light.
6. backlight module is characterized in that this backlight module comprises:
Backboard, this backboard have base plate and frame section, this frame section around and stand on this base plate;
LGP, this LGP are arranged on this base plate and have the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section and outstandingly be formed with at least one butt projection; And
Light-emitting diode device, this light-emitting diode device are arranged in this frame section, this butt projection be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range.
7. backlight module as claimed in claim 6, is characterized in that this butt projection is step structure, and this light-emitting diode device comprises:
Circuit board, this circuit board are arranged in frame section, and this butt projection is connected to respectively in this circuit board and this frame section; And
At least one light-emittingdiode is installed on this circuit board, is used for emission of light.
8. display device is characterized in that this display device comprises:
Backlight module, this backlight module comprises:
Backboard, this backboard have base plate and frame section, this frame section around and stand on this base plate;
LGP, this LGP are arranged on this base plate and have the bright dipping side and at least one light inlet side, and this bright dipping side is adjacent with this light inlet side, and this light inlet side is relative with this frame section and outstandingly be formed with at least one butt projection; And
Light-emitting diode device, this light-emitting diode device are arranged in this frame section, this butt projection be connected to this frame section and this light-emitting diode device at least on one of them so that this light-emitting diode device and this light inlet side at a distance of specific range; And
Display floater, this display floater is arranged on this backlight module, is used for receiving the light that penetrates from this bright dipping side.
9. display device as claimed in claim 8 is characterized in that this light-emitting diode device comprises:
Circuit board, this circuit board are arranged in this frame section, and this butt projection is connected on this circuit board; And
At least one light-emittingdiode is installed on this circuit board, is used for emission of light.
10. display device as claimed in claim 8, is characterized in that this butt projection is step structure, and this light-emitting diode device comprises:
Circuit board, this circuit board are arranged in frame section, and this butt projection is connected to respectively in this circuit board and this frame section; And
At least one light-emittingdiode is installed on this circuit board, is used for emission of light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100368589A CN103148408A (en) | 2013-01-30 | 2013-01-30 | Backlight module group and display equipment of backlight module group |
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| CN2013100368589A CN103148408A (en) | 2013-01-30 | 2013-01-30 | Backlight module group and display equipment of backlight module group |
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| CN103148408A true CN103148408A (en) | 2013-06-12 |
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| US10768360B2 (en) | 2017-10-31 | 2020-09-08 | Wuhan Tianma Micro-Electronics Co., Ltd. | Backlight module and display device |
| CN110618558A (en) * | 2019-08-30 | 2019-12-27 | 精电(河源)显示技术有限公司 | Combined component of LED lamp in backlight source |
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Application publication date: 20130612 |