CN106405913A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
- Publication number
- CN106405913A CN106405913A CN201611110072.7A CN201611110072A CN106405913A CN 106405913 A CN106405913 A CN 106405913A CN 201611110072 A CN201611110072 A CN 201611110072A CN 106405913 A CN106405913 A CN 106405913A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- light source
- glue frame
- crystal indicator
- chip
- 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
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
- G02F1/133385—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell with cooling means, e.g. fans
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133628—Illuminating devices with cooling means
Abstract
The invention provides a liquid crystal display device. The liquid crystal display device comprises a liquid crystal display panel, a chip mounted on the liquid crystal display panel, a backlight module arranged below the liquid crystal display panel and a heat dissipation part, wherein the backlight module comprises a light source assembly and a rubber frame for fixing the light source assembly; the heat dissipation part is arranged around the chip and the heat dissipation part is fixed with the rubber frame, so that heat generated by the chip can be conducted through the heat dissipation part; accumulation of the heat at the periphery of the chip and an LED (Light Emitting Diode) is prevented relatively well and the heat dissipation efficiency is high.
Description
【Technical field】
The present invention relates to liquid crystal display manufactures field, more particularly to a kind of liquid crystal indicator.
【Background technology】
Have that fuselage is thin due to liquid crystal indicator (LCD, Liquid Crystal Display), power saving, radiationless etc.
Many merits, it is widely used in various electronic products, such as mobile phone, computer etc..
The most of TFT-LCD for backlight of existing liquid crystal indicator (Thin Film Transistor-LCD, thin
Film transistor LCD), it includes liquid crystal panel and backlight module.The operation principle of liquid crystal panel is to work as in the parallel glass of two panels
Middle placement liquid crystal molecule, has many tiny electric wires vertically and horizontally, to control liquid crystal by whether being energized in the middle of two sheet glass
Molecular changes direction, the light of backlight module is reflected generation picture.Because liquid crystal panel itself does not light, need by
Backlight module provide light source come normal show image, therefore, backlight module become liquid crystal indicator key part and component it
One.According to the difference of light source incidence position, backlight module is segmented into side entrance back module and two kinds of down straight aphototropism mode set,
Wherein, down straight aphototropism mode set is by illuminating source such as cathodouminescence fluorescent tube (Cold Cathode Fluorescent
Lamp, CCFL) or light emitting diode (Light Emitting Diode, LED) be arranged on liquid crystal panel rear, directly formed face
Light source is supplied to liquid crystal panel, and side entrance back module is the back of the body located at liquid crystal panel side rear by illuminating source LED lamp bar
Edges of boards edge, the incidence surface from light guide plate side for the light that LED lamp bar sends enters light guide plate, from light guide plate after reflected and diffusion
Exiting surface outgoing, is supplied to liquid crystal panel to form area source.
With the resolution more and more higher of liquid crystal panel, correspondingly backlight illumination also will raise, and causes light emitting diode
The heat production of (Light Emitting Diode, LED) side and chip position is consequently increased.For preventing thermal accumlation from display is produced
Raw harmful effect, needs to increase radiator structure in backlight module.For side entrance back module, usually after reflector plate
One layer of graphite flake of patch, as heat dissipation film, to absorb, with this, the heat that LED and chip position produce, to reduce the purpose of temperature.
But, due to there is the air gap between graphite flake and LED, the heat that LED produces is difficult to quickly derive, and leads to radiating effect
Rate is not high, so that heat is easily piled up in chip and LED periphery, radiating effect is poor.
【Content of the invention】
It is an object of the invention to provide a kind of liquid crystal indicator, dissipated with the radiator structure solving available liquid crystal display
The thermal efficiency is not high, the problem of radiating effect difference.
For solving above-mentioned technical problem, the invention provides a kind of liquid crystal indicator, including
Display panels, chip, backlight module and radiating piece, described backlight module is arranged on described display panels
Lower section, described chip is arranged on described display panels, and described backlight module includes light source assembly and is used for fixing institute
State the glue frame of light source assembly；Described radiating piece is arranged around described chip, and it is fixed with described glue frame.
Further, described light source assembly includes side light source, and described chip and radiating piece are near described side light source；Described scattered
Warmware includes elastic sheet metal, and described elastic sheet metal includes roof and side wall, and described roof is located above described light source assembly,
Which is provided with groove, described chip is located in described groove, and described side wall and described glue frame are fixed.
Further, described side wall is provided with the first location hole, and the lateral surface near the glue frame of described side light source is provided with
First positioning convex, described first positioning convex is located in described first location hole and is fixed with carrying out cooperation.
Further, described light source assembly also includes reflector plate, described reflector plate be located at described side light source lower section, its with
Described glue frame is fixed；Described elastic sheet metal also includes diapire, and described diapire is located at the lower section of the glue frame near described side light source.
Further, described diapire is provided with the second location hole, and the outer bottom near the glue frame of described side light source is provided with
Second positioning convex, described second positioning convex is fixed in described second location hole.
Further, covered one layer of graphite on the outer surface of reflector plate of described side light source.
Further, described radiating piece also includes graphite flake, and described graphite flake covers in the appearance of described elastic sheet metal
Face.
Further, described elastic sheet metal is copper sheet or steel disc.
Further, described radiating piece cements in described glue frame.
Further, described radiating piece is fixed in described glue frame by bearing pin.
Beneficial effects of the present invention：The invention provides a kind of liquid crystal indicator, including display panels, it is arranged on
Chip on this display panels, it is arranged on backlight module and radiating piece below this display panels, this backlight mould
Group includes light source assembly and for fixing the glue frame of this light source assembly, by radiating piece is arranged around this chip, and make itself and
This glue frame is fixed, and the heat so as to make chip produce is conducted by radiating piece, preferably prevents chip and LED periphery heat
The accumulation of amount, radiating efficiency is high.
【Brief description】
Fig. 1 is the partial cutaway schematic view of liquid crystal indicator in the embodiment of the present invention；
Fig. 2 is the partial cutaway schematic view of liquid crystal indicator in another embodiment of the present invention；
Fig. 3 is the partial cutaway schematic view of liquid crystal indicator in another embodiment of the present invention；
Fig. 4 is the partial cutaway schematic view of liquid crystal indicator in another embodiment of the present invention；
Fig. 5 is the partial cutaway schematic view of liquid crystal indicator in another embodiment of the present invention.
【Specific embodiment】
For making the technical problem to be solved, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the instruction such as " outward "
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and simplification retouch
State, rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not understood that
For indicating or implying relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can be expressed or implicitly include one or more described feature.In describing the invention, " many
Individual " it is meant that two or more, unless otherwise expressly limited specifically.
Refer to Fig. 1 to Fig. 5, the invention provides a kind of liquid crystal indicator, its can include display panels 1,
Chip 2, backlight module 3 and radiating piece 4, this backlight module 3 is arranged on the lower section of this display panels 1, and this chip 2 is arranged on
On this display panels 1, this backlight module 3 includes light source assembly 31 and the glue frame 32 for fixing this light source assembly 31.Should
Radiating piece 4 is arranged around this chip 2, and it is fixing with this glue frame 32.
Specifically, this display panels 1 can include pasting mating plate 11, color membrane substrates 12, array base palte from top to bottom
13 and lower patch mating plate 14, this chip 2 is arranged on 13 on array base palte.This light source assembly 31 can include side light source 311, reflector plate
312nd, light guide plate 313, circuit board 314 and optical diaphragm group 315, this chip 2 and radiating piece 4 are near this side light source 311, this sidelight
Source 311 is arranged on circuit board 314, and this circuit board 314 is electrically connected with chip 2, for controlling by wire (not shown)
Side light source 311., positioned at the side of this side light source 311, this optical diaphragm group 315 is located at for this optical diaphragm group 315 and light guide plate 313
The top of this light guide plate 313, this reflector plate 312 is located at the lower section of this side light source 311, and it is fixing with this glue frame 32.Preferably, should
Reflector plate 312 can be cemented in this glue frame 32 by double faced adhesive tape.
In the present embodiment, this radiating piece 4 can include elastic sheet metal 41, and this elastic sheet metal 41 includes roof 411 He
Side wall 412, this roof 411 is located above this light source assembly 31, which is provided with groove C, and this chip 2 is located in this groove C, this side
Wall 411 and this glue frame 32 are fixing.Wherein, the fixed form of this radiating piece 4 and glue frame 32 can have multiple, such as：
One preferred embodiment in, this radiating piece 4 cements in this glue frame 32, such as, can by glue or
Double faced adhesive tape etc. cements in radiating piece 4 in this glue frame 32.
Another preferred embodiment in, this radiating piece 4 is fixed in this glue frame 32 by bearing pin (not shown),
Such as, pin shaft hole (not shown) can be respectively provided with radiating piece 4 and glue frame 32, and by interference fit, this bearing pin be worn
It is located in this pin shaft hole to realize secure fit.
In another preferred embodiment, this radiating piece 4 and glue frame 32 can be by raised fixing.Refer to Fig. 1, should
Side wall 412 is provided with the first location hole B1, and the lateral surface near the glue frame 32 of this side light source 311 is provided with the first positioning convex
A1, this first positioning convex A1 are located in this first location hole B1 and are fixed with carrying out cooperation.Specifically, this first positioning convex A1
With first be interference fit between location hole B1, its particular number can according to the actual requirements depending on.This first location hole B1 is
Blind hole, this first positioning convex A1 is formed from outwardly projecting of glue frame 32, side wall 412 thickness of this elastic sheet metal 41
It is preferably not less than the thickness of this first positioning convex A1.
It should be noted that the position of this first positioning convex A1 and the first location hole B1 can exchange, that is, this first
Positioning convex A1 can be arranged on side wall 412, and this first location hole B1 can be positioned close to the glue frame 32 of this side light source 311
Outer surface.Now, this first location hole B1 is blind hole.This first positioning convex A1 is from the inner surface of side wall 412 along side light source
311 direction projects and is formed.
In another preferred embodiment, refer to Fig. 2, set on the outer roof of glue frame 32 of this side light source 311
Fluted 321, the end of this side wall 412 is arranged in this groove 321 to be fixed with carrying out cooperation.
Preferably, for avoiding increasing the thickness of liquid crystal indicator, the thickness of the roof 411 of this elastic sheet metal 41 is best
It is not more than the thickness of chip 2.This elastic sheet metal 41 can be steel disc, copper sheet or other there is the metal of good heat conductive effect
Piece.
In addition, referring to Fig. 3, the heat of absorption side light source 311 generation preferably, increase the area of dissipation of radiating piece 4,
Improve radiating effect, this elastic sheet metal 41 can also include diapire 413, this diapire 413 is located at the glue near this side light source 311
The lower section of frame 32.For preventing radiating piece 4 loose or dislocation further, this diapire 413 can be fixing with glue frame 32, likewise, this is solid
Determine mode can to include being adhesively fixed, bearing pin fixes and the mode such as projection is fixing.Refer to Fig. 4, this diapire 413 is provided with second
Location hole B2, the outer bottom near the glue frame 32 of this side light source 311 is provided with the second positioning convex A2, this second positioning convex A2
It is fixed in this second location hole B2, this second location hole B2 is through hole.Certainly, this second location hole B2 and this second convex
The position playing A2 can also be interchangeable, and here is omitted.
In installation process, after display panels 1, backlight module 3 and chip 2 install, can be near side light source
This elastic sheet metal 41 is gradually enclosed within this glue frame 32 for 311 side, in this process, can artificially make roof 411 He
Diapire 413 produces elastic deformation to expand the spacing of roof 411 and diapire 413, makes to be easily installed, and it is fixed to work as chip 2, first
After the raised A1 and the second positioning convex A2 in position installs, user can unclamp both hands, makes roof 411 and diapire 413 extensive in elasticity
Resile in the presence of multiple power.
Preferably, the heat absorbing side light source 311 generation preferably, can apply one layer of heat absorption material on reflector plate 312
Material, such as graphite, that is, covered one layer of graphite 316 on the outer surface of reflector plate 312 of this side light source 311.
Additionally, referring to Fig. 5, for preferably absorbing the heat of chip 2 and side light source 311 generation, make elastic sheet metal 41
The heat absorbing passes faster, can cover one layer of heat-absorbing material on the surface of elastic sheet metal 41, that is, this radiating
Part 4 can also include graphite flake 42, and this graphite flake 42 covers on the outer surface of this elastic sheet metal 41, to absorb this elasticity gold
Belong to the heat of piece 41.Specifically, this graphite flake 42 can be by adhered by double sided plaster on this elastic sheet metal 41, and this graphite flake can
With consistent with the outer surface of elastic sheet metal 41, namely this elastic sheet metal 41 is completely covered it is also possible to part covers this elasticity
Sheet metal 41, such as only cover roof 411, specifically can according to the actual requirements depending on.
Above-mentioned liquid crystal indicator passes through to be arranged on below display panels 1 by backlight module 3, and chip 2 is arranged on liquid
On LCD panel 1, radiating piece 4 is arranged around this chip 2, so that the heat of chip 2 is transferred out by this radiating piece 4
Go, can preferably prevent chip 2 and side light source 311 periphery from heat build-up occurring, improve radiating efficiency, increase liquid crystal indicator
Reliability and stability, and this radiator structure will not increase the integral thickness of liquid crystal indicator, is conducive to liquid crystal
The thinning tendency of showing device.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of liquid crystal indicator is it is characterised in that include：Display panels, chip, backlight module and radiating piece, institute
State the lower section that backlight module is arranged on described display panels, described chip is arranged on described display panels, described
Backlight module includes light source assembly and the glue frame for fixing described light source assembly；Described radiating piece is arranged around described chip,
It is fixed with described glue frame.
2. liquid crystal indicator according to claim 1 is it is characterised in that described light source assembly includes side light source, described
Chip and radiating piece are near described side light source；Described radiating piece includes elastic sheet metal, described elastic sheet metal include roof and
Side wall, described roof is located above described light source assembly, which is provided with groove, and described chip is located in described groove, described side
Wall and described glue frame are fixed.
3. liquid crystal indicator according to claim 2, it is characterised in that described side wall is provided with the first location hole, leans on
The lateral surface of the glue frame of closely described side light source is provided with the first positioning convex, and described first positioning convex is located at described first positioning
Fixed with carrying out cooperation in hole.
4. liquid crystal indicator according to claim 2 is it is characterised in that described light source assembly also includes reflector plate, institute
State the lower section that reflector plate is located at described side light source, it is fixed with described glue frame；Described elastic sheet metal also includes diapire, described bottom
Wall is located at the lower section of the glue frame near described side light source.
5. liquid crystal indicator according to claim 4, it is characterised in that described diapire is provided with the second location hole, leans on
The outer bottom of the glue frame of closely described side light source is provided with the second positioning convex, and it is fixed that described second positioning convex is fixed on described second
In the hole of position.
6. liquid crystal indicator according to claim 4 it is characterised in that near described side light source reflector plate appearance
One layer of graphite has been covered on face.
7. the liquid crystal indicator according to any one in claim 2-6 is it is characterised in that described radiating piece also includes
Graphite flake, described graphite flake covers in the outer surface of described elastic sheet metal.
8. the liquid crystal indicator according to any one in claim 2-6 is it is characterised in that described elastic sheet metal is
Copper sheet or steel disc.
9. liquid crystal indicator according to claim 1 is it is characterised in that described radiating piece cements in described glue frame.
10. liquid crystal indicator according to claim 1 is it is characterised in that described radiating piece is fixed on institute by bearing pin
State in glue frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110072.7A CN106405913A (en) | 2016-12-06 | 2016-12-06 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611110072.7A CN106405913A (en) | 2016-12-06 | 2016-12-06 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106405913A true CN106405913A (en) | 2017-02-15 |
Family
ID=58084743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611110072.7A Pending CN106405913A (en) | 2016-12-06 | 2016-12-06 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106405913A (en) |
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| CN106842707A (en) * | 2017-03-09 | 2017-06-13 | 武汉华星光电技术有限公司 | For the LED light bar and backlight assembly of backlight assembly |
| CN107229160A (en) * | 2017-06-28 | 2017-10-03 | 武汉华星光电技术有限公司 | A kind of backlight module and liquid crystal display device |
| CN107728365A (en) * | 2017-10-31 | 2018-02-23 | 武汉华星光电技术有限公司 | Narrow frame display panel and display device |
| CN107763501A (en) * | 2017-10-31 | 2018-03-06 | 合肥京东方光电科技有限公司 | A kind of backlight module and display device |
| CN108508667A (en) * | 2018-04-20 | 2018-09-07 | 武汉华星光电技术有限公司 | TFT array substrate and liquid crystal display panel |
| CN109375420A (en) * | 2018-11-30 | 2019-02-22 | 武汉华星光电技术有限公司 | Backlight module |
| CN110908187A (en) * | 2019-11-26 | 2020-03-24 | 厦门天马微电子有限公司 | Display device |
| CN112180632A (en) * | 2020-10-22 | 2021-01-05 | 武汉华星光电技术有限公司 | Chip heat radiation structure and liquid crystal display device |
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| CN108508667B (en) * | 2018-04-20 | 2020-07-28 | 武汉华星光电技术有限公司 | TFT array substrate and liquid crystal display panel |
| WO2020107865A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Backlight module |
| CN109375420A (en) * | 2018-11-30 | 2019-02-22 | 武汉华星光电技术有限公司 | Backlight module |
| CN110908187A (en) * | 2019-11-26 | 2020-03-24 | 厦门天马微电子有限公司 | Display device |
| CN110908187B (en) * | 2019-11-26 | 2022-04-19 | 厦门天马微电子有限公司 | Display device |
| CN112180632A (en) * | 2020-10-22 | 2021-01-05 | 武汉华星光电技术有限公司 | Chip heat radiation structure and liquid crystal display device |
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| US11789199B2 (en) | 2020-10-22 | 2023-10-17 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Chip heat dissipation structure and liquid crystal display device |
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