CN102053404A - Flat panel display module - Google Patents
Flat panel display module Download PDFInfo
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- CN102053404A CN102053404A CN2010105713721A CN201010571372A CN102053404A CN 102053404 A CN102053404 A CN 102053404A CN 2010105713721 A CN2010105713721 A CN 2010105713721A CN 201010571372 A CN201010571372 A CN 201010571372A CN 102053404 A CN102053404 A CN 102053404A
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- display module
- circuit board
- panel display
- pcb
- printed circuit
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Abstract
The invention relates to a flat panel display module comprising an upper frame, a liquid crystal panel, a rubber frame, an optical membrane group and a PCB (Printed Circuit Board). A plurality of electronic assemblies on the PCB can be fully or most contained in the flat panel display module to form a dent structure so that the assembled flat panel display module of the invention has decreased whole thickness, and all assemblies in the flat panel display module of the invention are mutually and tightly overlapped to simultaneously acquire better whole structural strength.
Description
The application is to be on August 18th, 2009 applying date, and application number is 200910170431.1 divides an application.
[technical field]
The invention relates to a kind of panel display module, particularly a kind of size is frivolous and than the panel display module of high structural strength.
[background technology]
Panel display module is to apply to mostly so its overall dimensions also must be subject to the specification of electronic product, make compact aspect on the size compact electronic product such as mobile computer.Structure with LCD MODULE (LCD module) is an example, and it is mainly the printed circuit board (PCB) (PCBA) that liquid crystal panel (LCD Panel), backlight module (Backlight unit) and be loaded with all kinds of electronic packages and forms with flexible circuit board (FPC).Structure aspect as if distinguish general LCD MODULE according to the assembled relation between this flexible circuit board, liquid crystal panel and the printed circuit board (PCB) three can be categorized into LCD MODULE a kind of folding type display module (Bend type module) and a kind of flat display module (Plate type module).As shown in Figure 1, be wherein a kind of diagrammatic cross-section of existing folding type display module 1, wherein on liquid crystal panel 10, printed circuit board (PCB) (PCBA) 12 and this printed circuit board (PCB) 12 of folding type display module 1 after the assembling electronic package 16 of carrying be vertically to (all or partly) superimposed, form a superimposed thickness ' h1 ' and this liquid crystal panel 10 and printed circuit board (PCB) 12 between the two, utilize two opposite ends that take the shape of the letter U crooked flexible circuit board 14 to be electrically connected at the lower surface of these liquid crystal panel 10 upper surfaces and printed circuit board (PCB) 12 respectively.
In addition, the liquid crystal panel 10 that is different from the module 1 of Fig. 1, printed circuit board (PCB) 12 and electronic package 16 are the assembling aspect that is superimposed together, in the diagrammatic cross-section of wherein a kind of existing flat display module 2 shown in Figure 2, the liquid crystal panel 20 of the flat display module 2 after this assembling and the printed circuit board (PCB) 22 that is loaded with electronic package 26 be mutually side by side (some other existing flat display modules combinations after, also may there be drop in position between its liquid crystal panel and the printed circuit board (PCB) 22), be provided with a flexible circuit board 24 between the two at this, and two opposite ends of this flexible circuit board 24 system is electrically connected at the upper surface of these liquid crystal panel 20 upper surfaces and printed circuit board (PCB) 22 respectively, and makes this flat display module 2 form a thickness ' h2 '.From Fig. 1 and Fig. 2, can find, because the liquid crystal panel 10 of folding type display module 1, electronic package 16 and printed circuit board (PCB) 22 threes are vertically to being superimposed, ' h1 ' can greater than the integral thickness of this flat display module 2 ' h2 ' so make the integral thickness of this folding type display module 1, this needs compact electronic product to accessory size, is too thick and heavy.Though the integral thickness of existing flat display module and weight are should existing folding type display module be good; but the liquid crystal panel 20 of existing flat display module and the Rankine-Hugoniot relations of printed circuit board (PCB) 22 system are shape side by side; be difficult for protecting by mechanism element; can make after the combination overall construction intensity with produce yield should existing folding type display module for poor, and easily take level to the module space.
[summary of the invention]
For addressing the above problem, a fundamental purpose of the present invention is to provide a kind of panel display module, not only has the frivolous characteristics of flat display module, has the better structural strength and production yield of folding type display module simultaneously again.
For reaching the object of the invention, the invention provides a kind of panel display module, it mainly comprises: a upper ledge, a liquid crystal panel, a glue frame, an optical diaphragm group and a printed circuit board (PCB), this upper ledge wherein, have between one first plate face and one second plate face and this first plate face the non-copline of formation and intersect, and this second plate face forms an opening.This liquid crystal panel is positioned at the below of the first plate face of this upper ledge.This optical diaphragm group, be positioned at the below of this liquid crystal panel, and the sunk structure that the first plate face of the some of this optical diaphragm group, this upper ledge, the second plate face of this upper ledge and liquid crystal panel a part of common constitutes a tool accommodation space is with to opening that should upper ledge, and this sunk structure can further be divided into one first sunk structure and one second sunk structure.This printed circuit board (PCB), be provided with at least one electronic package as comprising but do not limit in the accommodation space that electric connector, flexible circuit board, driving component or passive component can be contained in this sunk structure fully, wherein an interface portion of this electric connector system is corresponding or stretch out outside the opening of this second plate face.Aforementioned flexible circuit board has one first end system and is accommodated within this first sunk structure and electrically connects this printed circuit board (PCB), and one second end is accommodated within this second sunk structure to be electrically connected to the some of liquid crystal panel.This glue frame has one first supporting part and is accommodated within this first sunk structure the some with bearing liquid crystal display panel, the some that one second supporting part system is used to carry this optical diaphragm group, and one the 3rd supporting part be accommodated within this first sunk structure with carry this optical diaphragm group another partly.
Because all kinds of electronic package major parts that dispose on this printed circuit board (PCB) all can be accommodated in the inner sunk structure that constitutes of panel display module fully; the integral thickness of panel display module of the present invention after assembling reduced; and the printed circuit board (PCB) of panel display module of the present invention and electronic package thereof can obtain higher structural strength simultaneously under the duplicate protection of glue frame and upper ledge.
[description of drawings]
Fig. 1 is the diagrammatic cross-section that shows existing folding type display module;
Fig. 2 is the diagrammatic cross-section that shows existing flat display module;
Fig. 3 A system shows the part explosive view according to the panel display module of a preferred embodiment of the present invention;
Fig. 3 B system shows according to the top view after the part combination of the panel display module of Fig. 3 A;
The cut-away section synoptic diagram that Fig. 4 A system is drawn according to the A-A ' hatching line of the panel display module of Fig. 3 B;
The cut-away section synoptic diagram that Fig. 4 B system is drawn according to the B-B ' hatching line of the panel display module of Fig. 3 B;
The cut-away section synoptic diagram that Fig. 4 C system is drawn according to the C-C ' hatching line of the panel display module of Fig. 3 B; And
Fig. 5 is the panel display module of another preferred embodiment of the present invention and the cut-away section synoptic diagram drawn with the A-A ' hatching line of the panel display module of Fig. 3 B.
[primary clustering symbol description]
3,3 ' panel display module, 29 upper ledges
30 liquid crystal panels, 32 printed circuit board (PCB)s
34 flexible circuit boards, 35 glue frames
36 backlight modules
37 electric connectors, 38 optical diaphragm group
292 first plate faces, 294 second plate faces
296 openings, 302 first sunk structures
304 second sunk structures, 306 channels
312 first double faced adhesive tapes, 314 second double faced adhesive tapes
316 the 3rd double faced adhesive tapes, 322 first surfaces
324 second surfaces, 326 first edges
328 second edges, 342 first ends
344 second ends, 352 first supporting parts
354 second supporting parts 356 the 3rd supporting part
372 interface portion, 382 blooming pieces
384 light guide plate
A-A ', B-B ', C-C ' hatching line
[embodiment]
Below will describe technology contents of the present invention in detail with regard to icon.
Please refer to Fig. 3 A and Fig. 3 B, this Fig. 3 A is the part explosive view according to the panel display module 3 of one first preferred embodiment of the present invention, and Fig. 3 B is according to the top view after panel display module 3 assemblings of Fig. 3 A.This panel display module 3 as a kind of LCD MODULE (LCD module), primary structure comprises as shown in Figure 3A from top to bottom in regular turn: a upper ledge (Bezel) 29, one liquid crystal panel 30, one printed circuit board (PCB) (PCBA) 32, one has the backlight module (Backlight unit) 36 of glue frame (Frame) 35, wherein this glue frame 35 is a wherein part of backlight module 36, and this upper ledge 29 is to be a hollow form and to be surrounded by four sides, it is made by metal materials such as iron and steel, so metal frame or preceding frame before being called again, and each side has one first plate face 292 and one second plate face 294, and the first plate face 292 and the second plate face 294 join, and between the first plate face 292 and the second plate face 294, form and be non-copline and intersect, for example be the shape of falling L vertically to intersecting, and form an opening that runs through 296 on the second plate face 294 of a side therein.
All kinds of electronic packages of carrying on this printed circuit board (PCB) 32, comprise but do not limit as a plurality of flexible circuit boards (FPC) 34 or coil type chip carrier packages (Tape Carrier Package, TCP) or membrane of flip chip encapsulation (Chip on Film, COF), an electric connector 37, driving component and passive component (not shown).In present embodiment, this electric connector 37 as a kind of low-voltage differential signal (LVDS) connector or demonstration port connector also have the opening 296 of an interface portion 372 with the aforementioned upper ledge 29 of correspondence, summon specific signal by this and give other electronic installations of this panel display module 3 outsides, and this electric connector 37 can be a kind of plate face set (SMT) type or broken template (DIP) electric connector to be arranged on the printed circuit board (PCB) 32.This driving component can comprise but not limit as ASIC, timing controller (T-CON) or various chip for driving, and this passive component comprises but do not limit as resistance, electric capacity and inductance.This backlight module 36 comprises one group of optical diaphragm group 38 and light source (not shown) or the like at least.
Please further with reference to 3A, 3B and 4A figure, this 4A figure system part diagrammatic cross-section of being drawn wherein according to the hatching line A-A ' of the panel display module 3 of Fig. 3 B, and this hatching line A-A ' just in time to should electric connector 37 on the position of this panel display module 3, so can demonstrate this electric connector 37 at this locational configuring condition and cross section structure thereof.Shown in Fig. 4 A, this liquid crystal panel 30 is positioned at the below of the first plate face 292 of this upper ledge 29, and an end of this liquid crystal panel 30 is covered by the first surface 292 of this upper ledge 29 and second surface 294.The below of this liquid crystal panel 30 is respectively equipped with this glue frame 35 and optical diaphragm group 38, wherein this optical diaphragm group 38 comprises multi-disc blooming piece 382 and is disposed at the light guide plate (LGP) 384 of these multi-disc blooming piece 382 belows, and this multi-disc blooming piece 382 comprises but do not limit as diffusion sheet and blast sheet (or claiming prismatic lens) or the like.This glue frame 35 is disposed on this printed circuit board (PCB) 32, and have one first supporting part 352 and be used to carry an end of this liquid crystal panel 30, the end that one second supporting part 354 is used for the light guide plate 384 of bearing optical diaphragm group 38, and one the 3rd supporting part 356 is used for an end of the blooming piece 382 of bearing optical diaphragm group 38.In the present embodiment, be to utilize the below of one first double faced adhesive tape 312 with the cemented end in light guide plate 384 of second supporting part 354 of this glue frame 35; Only, in other embodiments, available other existing mode set.Utilize above-mentioned each assembly tight overlapping each other, can make the overall construction intensity that panel display module obtains as existing folding type display module is had after the assembling.Be noted that in other embodiments, also available light shield device replaces this glue frame 35 and is disposed at the side of light guide plate 384.
Be that second supporting part 354, of the light guide plate 384 of this first edge 326 and contiguous these optical diaphragm group 38 relatively and this glue frame 35 is used to be provided with each electronic package such as this electric connector 37 with the end corresponding to this optical diaphragm group 38 at opening 296, one second edge 328 that this printed circuit board (PCB) 32 below this glue frame 35 has second a plate face 294 of contiguous these upper ledges 29 in one first edge 326 on the first surface 322 between this first edge 326 and this second edge 328, and a second surface 324 is this first surface 322 relatively.In other preferred embodiment, the allocation position of this electric connector 37 system is corresponding to an end of this light guide plate 384.
Some by this optical diaphragm group 38, the first plate face 292 of this upper ledge 29 and/or the second plate face 294, and the some of liquid crystal panel can constitute a sunk structure with accommodation space jointly, and this sunk structure can further be divided into the some by optical diaphragm group 38 in fact, the second plate face 294 of this upper ledge 29, first supporting part 352 and three supporting part 356 of a part of common formation one first sunk structure 302 to accommodate this glue frame 35 of this liquid crystal panel 30, and communicate with the opening 296 of the second plate face 294 of this upper ledge 29, and by the first plate face 292 and the second plate face 294 of this upper ledge 29, a part of common formation one second sunk structure 304 of this liquid crystal panel 30, and form a channel 306 between the second plate face 294 of this upper ledge 29 and this liquid crystal panel 30 ends, this second sunk structure 304 is connected with the accommodation space of this first sunk structure 302, so that an end of this glue frame 35 extends through, promptly utilize the some of this optical diaphragm group 38, the first plate face 292 of upper ledge 29, the a part of common formation one of second plate face 294 of upper ledge 29 and liquid crystal panel 30 has the sunk structure of accommodation space.By this, shown in Fig. 4 A, various electronic packages on the first surface 322 of this printed circuit board (PCB) 32 such as electric connector 37 integral body can be contained in the accommodation space of first sunk structure 302 between this optical diaphragm group 38 and the second plate face 294 fully, make the interface portion 372 of this electric connector 37 can be to the opening 296 of the second plate face 294 that should upper ledge 29 to electrically connect other electronic installation outside this panel display module 3, the opening 296 of another opposite end of this electric connector 37 and the second plate face 294 be just in time to end that should optical diaphragm group 38 simultaneously.By this, can not only protect this electric connector 37 not to be subjected to alien influence, and can reduce the integral thickness after these panel display module 3 assemblings.
Please further with reference to 3A, 3B and 4B figure, wherein this 4B figure system is according to the part diagrammatic cross-section that the hatching line B-B ' of the panel display module 3 of Fig. 3 B is drawn, wherein demonstrate 35 of this glue frames on other position of panel display module 3 configuring condition and different cross section structures.Compare with Fig. 4 A, different locate for: in the position shown in Fig. 4 B, first sunk structure 302 is not accommodated any electronic package and is only accommodated first supporting part 352 and the 3rd supporting part 356 of this glue frame 35, the second plate face 294 of this upper ledge 29 is not had an opening, and except utilizing the below of first double faced adhesive tape 312 equally with the cemented end in light guide plate 384 of second supporting part 354 of this glue frame 35, the sectional dimension of the bottom of first supporting part 352 of this glue frame 35 shown in Fig. 4 B is bigger, and this is in order to utilize one second double faced adhesive tape 314 that these glue frame 35 integral body firmly are bonded on the first surface 322 of this printed circuit board (PCB) 32; In other embodiments, available other known mode such as screw or this glue frame 35 of trip set are on printed circuit board (PCB) 32.Therefore because other assembly and relative allocation position are all identical with Fig. 4 A among Fig. 4 B, be not repeated below.
Please further with reference to 3A, 3B and 4C figure, this 4C figure system part diagrammatic cross-section of being drawn wherein according to the hatching line C-C ' of the panel display module 3 of Fig. 3 B, and the just in time corresponding wherein flexible circuit board 34 of this hatching line C-C ' is positioned on the position of this panel display module 3, so can demonstrate this flexible circuit board 34 in this locational configuring condition and different cross section structure thereof.Compare with Fig. 4 A, different locate for: in the position shown in Fig. 4 C, this flexible circuit board 34 is the curved configuration that takes the shape of the letter U, and has the first surface 322 that one first end 342 is accommodated in the accommodation space of this first sunk structure 302 and electrically connects this printed circuit board (PCB) 32, and one second end 344 be accommodated in the accommodation space of this second sunk structure 304 and be electrically connected to the top, end of this liquid crystal panel 30, and this flexible circuit board 34 is to extend in first and second sunk structure 302 and 304 via channel 306.In addition; the second plate face 294 that is positioned at this upper ledge 29 of position shown in Fig. 4 C is not had an opening; therefore the second plate face 294 can cover the end of this liquid crystal panel 30; first edge 326 of the end of this glue frame 35 and this printed circuit board (PCB) 32; make these flexible circuit board 34 integral body be accommodated in the end of this liquid crystal panel 30 fully; first and second sunk structure 302 between the end of this glue frame 35 and optical diaphragm group 38 and the second plate face 294; 304 and channel 306 in; so can not only protect this flexible circuit board 34 not to be subjected to external action, and can reduce the integral thickness after these panel display module 3 assemblings.In the position shown in Fig. 4 C, except utilizing the below of first double faced adhesive tape 312 equally with the cemented end in light guide plate 384 of some second supporting parts 354 of this glue frame 35, because the bottom section of the 3rd supporting part 356 of this glue frame 35 shown in Fig. 4 C is long-pending bigger, so utilize the 3rd double faced adhesive tape 316 this glue frame 35 to be bonded on the first surface 322 of this printed circuit board (PCB) 32; In other embodiments, available other known mode such as screw or this glue frame 35 of trip set are on printed circuit board (PCB) 32.Be noted that,, therefore only be not repeated because other assembly and relative allocation position are all identical with Fig. 4 A among Fig. 4 C.
Please further with reference to figure 5, wherein this 5 figure is according to the panel display module 3 ' of another preferred embodiment of the present invention and the part diagrammatic cross-section of being drawn according to the hatching line A-A ' of Fig. 3 B.Compare with Fig. 4 A, different locate for: in position shown in Figure 5, this electric connector 37 changes the end on first limit green 326 of being located at printed circuit board (PCB) 32, its interface portion 372 can be stretched out outside the opening 296 of the second plate face 294 of this upper ledge 29, but the major part of electric connector 37 remain in the accommodation space that is contained in first sunk structure 302.Because other assembly and relative allocation position are all identical with Fig. 4 A among Fig. 5, therefore be not repeated at this.
Be noted that; though 4A of the present invention; 4B; only show this electric connector 37 among 4C and 5 figure; whole or most structures of glue frame 35 and flexible circuit board 34 are incorporated in the sunk structure and (as comprise first and second sunk structure 302; 304 and/or channel 306); but when practical application; all kinds of electronic packages that disposed on this printed circuit board (PCB) 32 are as comprising but do not limit driving component and/or passive component and all can be incorporated in panel display module 3 or 3 ' the inner sunk structure that constitutes and (comprise first and second sunk structure 302; 304 and/or channel 306) in; therefore can make the integral thickness after this panel display module 3 or 3 ' is assembled reduce (can reach same thickness) as existing flat display module; reach the frivolous purpose of size; and utilize panel display module 3 of the present invention or 3 ' interior each assembly to overlap closely each other; make the printed circuit board (PCB) of this panel display module and electronic package thereof under the duplicate protection of glue frame 35 and upper ledge 29, obtain higher overall construction intensity simultaneously.
In sum, the present invention meets the patent of invention important document, and the whence proposes patented claim in accordance with the law.Only the above person only is preferred embodiment of the present invention, is familiar with the personage of this skill such as, and the equivalence of being done under the spiritual framework according to the present invention in the whence is modified or changed, and all should be contained in the following claim.
Claims (5)
1. panel display module comprises:
One printed circuit board (PCB), have a first surface, a second surface to should first surface and an electronic package be disposed on this first surface;
One glue frame is disposed on this printed circuit board (PCB);
One optical diaphragm group is disposed on this glue frame, and the position of an end of this optical diaphragm group is corresponding to this electronic package;
One liquid crystal panel is disposed on this glue frame and this optical diaphragm group; And
One upper ledge; have one first plate face and one second plate face, this first plate face is disposed at this liquid crystal panel top, and this second plate face system joins with this first plate face; and cover an end of this liquid crystal panel, an end of this glue frame and an end of this printed circuit board (PCB), in order to protect this electronic package.
2. panel display module according to claim 1 is characterized in that other comprises a flexible circuit board, connects the first surface of this liquid crystal panel and this printed circuit board (PCB).
3. panel display module according to claim 1 is characterized in that, other comprises one first double faced adhesive tape, in order to stick together and to fix this optical diaphragm group and this glue frame.
4. panel display module according to claim 1 is characterized in that, other comprises one second double faced adhesive tape, in order to stick together and to fix this glue frame and this printed circuit board (PCB).
5. panel display module according to claim 1 is characterized in that, this optical diaphragm group comprises a light guide plate and multi-disc blooming piece, and this light guide plate is disposed on this glue frame, and those blooming pieces then are disposed on this light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010571372A CN102053404B (en) | 2009-08-18 | 2009-08-18 | Flat panel display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010571372A CN102053404B (en) | 2009-08-18 | 2009-08-18 | Flat panel display module |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101704311A Division CN101630076B (en) | 2009-08-18 | 2009-08-18 | Panel display module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102053404A true CN102053404A (en) | 2011-05-11 |
| CN102053404B CN102053404B (en) | 2012-08-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010571372A Active CN102053404B (en) | 2009-08-18 | 2009-08-18 | Flat panel display module |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818188A (en) * | 2012-05-08 | 2012-12-12 | 友达光电股份有限公司 | Backlight module |
| CN104914619A (en) * | 2015-05-25 | 2015-09-16 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2016061811A1 (en) * | 2014-10-21 | 2016-04-28 | 深圳市华星光电技术有限公司 | Backlight module and display apparatus |
| WO2023225779A1 (en) * | 2022-05-23 | 2023-11-30 | 京东方科技集团股份有限公司 | Backlight module and display device |
-
2009
- 2009-08-18 CN CN201010571372A patent/CN102053404B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818188A (en) * | 2012-05-08 | 2012-12-12 | 友达光电股份有限公司 | Backlight module |
| CN102818188B (en) * | 2012-05-08 | 2015-02-25 | 友达光电股份有限公司 | Backlight module |
| WO2016061811A1 (en) * | 2014-10-21 | 2016-04-28 | 深圳市华星光电技术有限公司 | Backlight module and display apparatus |
| GB2544222A (en) * | 2014-10-21 | 2017-05-10 | Shenzhen China Star Optoelect | Backlight module and display apparatus |
| GB2544222B (en) * | 2014-10-21 | 2021-08-04 | Shenzhen China Star Optoelect | Backlight module and display device |
| CN104914619A (en) * | 2015-05-25 | 2015-09-16 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2016187900A1 (en) * | 2015-05-25 | 2016-12-01 | 武汉华星光电技术有限公司 | Backlight module and display apparatus |
| US9897853B2 (en) | 2015-05-25 | 2018-02-20 | Wuhan China Star Optoelectronics Technology Co., Ltd | Backlight module and display device |
| CN104914619B (en) * | 2015-05-25 | 2018-04-27 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2023225779A1 (en) * | 2022-05-23 | 2023-11-30 | 京东方科技集团股份有限公司 | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102053404B (en) | 2012-08-29 |
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