CN110488538A - A kind of liquid crystal display device convenient for being reprocessed to light guide plate - Google Patents
A kind of liquid crystal display device convenient for being reprocessed to light guide plate Download PDFInfo
- Publication number
- CN110488538A CN110488538A CN201910798667.3A CN201910798667A CN110488538A CN 110488538 A CN110488538 A CN 110488538A CN 201910798667 A CN201910798667 A CN 201910798667A CN 110488538 A CN110488538 A CN 110488538A
- Authority
- CN
- China
- Prior art keywords
- light guide
- guide plate
- liquid crystal
- crystal display
- fixed ring
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of liquid crystal display devices convenient for being reprocessed to light guide plate, it is related to the technical field of liquid crystal display, solve the problems, such as that liquid crystal display device is reprocessed cumbersome and inconvenient in the prior art, its key points of the technical solution are that including the backboard for being provided with accommodating chamber, the fixed ring that backboard offers accommodating chamber side is set, light guide plate in accommodating chamber is set, the reflector plate that light guide plate deviates from fixed ring side is set, optical diaphragm on the inside of fixed ring is set, the liquid crystal display panel that optical diaphragm deviates from light guide plate side is set, the fixing piece that is arranged in fixed ring and it is fixedly connected in fixed ring and is located at the limit plate that liquid crystal display panel deviates from optical diaphragm side, when carrying out reprocessing operation, unscrew fastening bolt, then bracket is skidded off from binding groove, to which backboard and fixed ring be separated, from And directly light guide plate is directly replaced, it greatly reduced the workload for reprocessing operation, so that it is more convenient to reprocess operation.
Description
Technical field
The present invention relates to the technical fields of liquid crystal display, more specifically, it is related to one kind convenient for returning to light guide plate
The liquid crystal display device repaired.
Background technique
Display unit of the liquid crystal display device as electronic equipment has obtained widely answering in various electronic products
With existing liquid crystal display device generally all includes liquid crystal display panel and the backlight module that liquid crystal display panel bottom is arranged in.
Backlight module includes the backboard with accommodation groove, the reflection set gradually from the bottom to top in accommodation groove
Piece, backlight, light guide plate and optical diaphragm and the glue frame being fixedly connected with backlight;Glue frame around optical diaphragm be arranged and
For optical diaphragm to be fixed.In the manufacturing process of liquid crystal display device, light guide plate be in liquid crystal display device most
It is easy to appear the part of the bad problem of product.Light guide plate due to defect of the existing technology, in liquid crystal display device
When failure, we are merely able to liquid crystal display device carrying out recombination of doing over again, do over again recombinate when, we
Under needing first to dismantle liquid crystal display panel from backlight module, under then again successively dismantling the various components above light guide plate, so
Carry out the replacement of light guide plate again afterwards so that liquid crystal display device to reprocess operation element amount big, reprocess cumbersome and inconvenient.
Summary of the invention
It is a kind of convenient for being reprocessed to light guide plate in view of the deficiencies of the prior art, the present invention intends to provide
Liquid crystal display device unscrews fastening bolt when carrying out reprocessing operation, then skids off bracket from binding groove,
To separate backboard and fixed ring, to directly directly be replaced to light guide plate, it greatly reduced and reprocess behaviour
The workload of work, so that it is more convenient to reprocess operation.
To achieve the above object, the present invention provides the following technical scheme that a kind of liquid convenient for being reprocessed to light guide plate
Crystal device offers being arranged around accommodating chamber for accommodating chamber side including being provided with the backboard of accommodating chamber, backboard being arranged in
Fixed ring, be arranged in accommodating chamber light guide plate, light guide plate is set away from the reflector plate of fixed ring side, setting solid
Determine the optical diaphragm on the inside of ring, be arranged in optical diaphragm away from light guide plate side and be located at fixed ring in liquid crystal display panel, set
It sets the fixing piece for being used to that optical diaphragm to be fixed in fixed ring and is fixedly connected in fixed ring and is located at liquid
Crystal panel deviates from the limit plate of optical diaphragm side;
Four sides of accommodating chamber are both provided with the light-source chamber being provided on backboard, and backlight, backboard are provided in light-source chamber
Four sides of four sides and fixed ring correspond and corresponding side flush with each other;
The binding groove for running through backboard and fixed ring along the vertical direction is offered on four sides of backboard, the cross section of binding groove is in
Convex shape is arranged, and is both provided in each binding groove and deviates from backboard center with the mutually matched bracket of binding groove, bracket
Side be all threaded with the fastening bolt through bracket.
By using above-mentioned technical proposal, need to reprocess liquid crystal display device because of light guide plate failure when
It waits, it is only necessary to fastening bolt be backed out, bracket is skidded off from binding groove then, is achieved that and backboard and fixed ring is divided
From, then directly light guide plate is replaced, replacement complete after only need again to install bracket and fastening bolt
It is upper, it greatly reduced the workload for reprocessing operation, so that it is more convenient to reprocess operation.
The present invention is further arranged to: the fixing piece includes the backing plate being arranged around optical diaphragm and is fixedly connected on
On backing plate and it is located at optical diaphragm close to the partition of light guide plate side;
Partition contacts with each other with backboard, contacts with each other on the inside of backing plate and fixed ring.
By using above-mentioned technical proposal, optical diaphragm can be fixed by setting backing plate and partition, and also
Optical diaphragm and backboard can be separated, prevent from generating friction between optical diaphragm and backboard, optical diaphragm is caused to wear.
The present invention is further arranged to: offer several fixation holes on the inside of the fixed ring, be provided on partition through every
Plate and it is inserted into the fixed column in fixation hole, when fixed column is inserted into fixation hole, fixed column deviates from one end of fixation hole
Deviate from the side flush with each other of fixation hole with partition.
By using above-mentioned technical proposal, after fixed column is inserted into fixation hole, can secure the fix to solid
Determine on ring, after completing the disassembly of backboard and fixed ring, so that fixing piece is not easy to be detached from from fixed ring.
The present invention is further arranged to: the reflector plate is fixedly connected on light guide plate by way of gluing.
By using above-mentioned technical proposal, reflector plate is adhesive on light guide plate so that carry out using process in,
Light guide plate is not easy to generate friction between reflector plate, to be not easy to generate abrasion to light guide plate and reflector plate.
The present invention is further arranged to: the top side and bottom side of the light-source chamber, which are both provided with, is fixedly connected on back
Reflective membrane on plate.
Top of the light by light-source chamber of backlight can be reduced by the way that reflective membrane is arranged by using above-mentioned technical proposal
Portion and bottom absorb, and accelerate the utilization rate to light.
The present invention is further arranged to: the limit plate is fixedly connected with and liquid crystal display panel phase close to the side of liquid crystal display panel
The elastic cushion mutually contacted.
Liquid crystal display panel can either be limited by limit plate by using above-mentioned technical proposal by the way that elastic cushion is arranged
Position, and limit plate will not be made directly to contact with liquid crystal display panel and cause to damage to liquid crystal display panel.
The present invention is further arranged to: the light guide plate contacts with each other close to the side of optical diaphragm with optical diaphragm.
By using above-mentioned technical proposal, enables the light projected from light guide plate to enter directly into optical diaphragm and work as
In, reduce the loss of light.
In conclusion the present invention has the advantages that compared with the prior art
1, the present invention is needed because of light guide plate failure to liquid crystal by setting backboard, support ring, bracket and fastening bolt
When display device is reprocessed, it is only necessary to back out fastening bolt, then skid off bracket from binding groove, just realize
Separation to backboard and fixed ring, then directly replaces light guide plate, and replacement only needs after completing will fastening
Item and fastening bolt are installed again, greatly reduced the workload for reprocessing operation, so that it is more convenient to reprocess operation
Fast;
2, the present invention after fixed column is inserted into fixation hole, can be consolidated fixing piece by setting fixed column and fixation hole
It is scheduled in fixed ring, after completing the disassembly of backboard and fixed ring, so that fixing piece is not easy to be detached from from fixed ring.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the complete structure of embodiment;
Fig. 2 is the schematic diagram that embodiment embodies bracket and binding groove.
In figure: 1, backboard;11, accommodating chamber;12, light-source chamber;2, light guide plate;21, reflector plate;3, backlight;31, reflective
Film;4, optical diaphragm;5, liquid crystal display panel;6, fixing piece;61, backing plate;62, partition;63, fixed column;7, fixed ring;71, it fastens
Slot;72, fixation hole;8, bracket;81, fastening bolt;9, limit plate;91, elastic cushion.
Specific embodiment
Embodiment: a kind of liquid crystal display device convenient for being reprocessed to light guide plate referring to attached drawing 1 and attached drawing 2, including is set
Be equipped with the backboard 1 of accommodating chamber 11, be arranged in backboard 1 offer 11 side of accommodating chamber around accommodating chamber 11 be arranged fixed ring 7,
Be arranged in the light guide plate 2 in accommodating chamber 11, be arranged in light guide plate 2 away from 7 side of fixed ring reflector plate 21, be arranged in fixation
Optical diaphragm 4 is arranged in away from 2 side of light guide plate and the liquid crystal display panel in fixed ring 7 in the optical diaphragm 4 of 7 inside of ring
5, it the fixing piece 6 for optical diaphragm 4 to be fixed that is arranged in fixed ring 7 and is fixedly connected in fixed ring 7
Limit plate 9;Limit plate 9 is located at liquid crystal display panel 5 away from 4 side of optical diaphragm, and limit plate 9 is close to the fixed company in 4 side of optical diaphragm
It is connected to elastic cushion 91, elastic cushion 91 contacts with each other with optical diaphragm 4.Reflector plate 21 is fixed on light guide plate 2 by way of gluing
On.Four sides of accommodating chamber 11 are both provided with the light-source chamber 12 being provided on backboard 1, and backlight is provided in light-source chamber 12
3, the top side and bottom side of light-source chamber 12 are both provided with the reflective membrane 31 being fixed on backboard 1, and reflective membrane 31 passes through glue
Viscous mode is fixed on backboard 1.Four sides of backboard 1 are corresponded with four sides of fixed ring 7 and corresponding side
Flush with each other;The binding groove 71 for running through backboard 1 and fixed ring 7 along the vertical direction, binding groove are offered on four sides of backboard 1
71 cross section is arranged in convex shape, be both provided in each binding groove 71 with the mutually matched bracket 8 of binding groove 71, tightly
Gu item 8 can the length direction in binding groove 71 along binding groove 71 slided, bracket 8 deviate from 1 center of backboard one
Side is all threaded with the fastening bolt 81 through bracket 8.
When maintenance is discovery 2 failure of light guide plate and is reprocessed, it is only necessary to unscrew fastening bolt 81, will fasten
Item 8 skids off in binding groove 71, realizes the separation between backboard 1 and fixed ring 7, and backboard 1 and bracket 8 can be with after separating
Directly the light guide plate 2 in the accommodating chamber 11 of backboard 1 is replaced, it, will be on backboard 1 and fixed ring 7 after replacement is completed
Binding groove 71 is aligned, and then bracket 8 is inserted into binding groove 71 and tightens fastening bolt 81, completes to reprocess.
Referring to attached drawing 1, fixing piece 6 includes the backing plate 61 being arranged around optical diaphragm 4 and is fixedly connected on backing plate 61
And it is located at optical diaphragm 4 close to the partition 62 of 2 side of light guide plate;Partition 62 contacts with each other with backboard 1, backing plate 61 and fixed ring
7 insides contact with each other.Several fixation holes 72 are offered on the inside of fixed ring 7, are provided on partition 62 through partition 62 and can
The fixed column 63 being inserted into fixation hole 72, when fixed column 63 is inserted into fixation hole 72, fixed column 63 deviates from the one of fixation hole 72
End deviates from the side flush with each other of fixation hole 72 with partition 62.Side and optical diaphragm 4 phase of the light guide plate 2 close to optical diaphragm 4
Mutually contact.After optical diaphragm 4, liquid crystal display panel 5 and fixing piece 6 are installed, fixed column 63 is inserted into fixation hole 72 and is worked as
In, to liquid crystal display panel 5 and optical diaphragm 4 are all fixed in fixed ring 7 by fixing piece 6, liquid crystal when preventing from assembling
The position of panel 5 and optical diaphragm 4 shifts.When being reprocessed, after fixed plate and backboard 1 are separated, also can
Enough prevent liquid crystal display panel 5 and optical diaphragm 4 from the offset of position occurs.
This be convenient for the liquid crystal display device that light guide plate is reprocessed carry out using when working principle it is as follows: overhauling
Be discovery 2 failure of light guide plate and when reprocessed, it is only necessary to fastening bolt 81 is unscrewed, by bracket 8 from binding groove 71
It skids off in the middle, realizes the separation between backboard 1 and fixed ring 7, backboard 1 and bracket 8 can be directly to backboards 1 after separating
Light guide plate 2 in accommodating chamber 11 is replaced, and after replacement is completed, the binding groove 71 on backboard 1 and fixed ring 7 is aligned,
Then bracket 8 is inserted into binding groove 71 and tightens fastening bolt 81, complete to reprocess.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of liquid crystal display device convenient for being reprocessed to light guide plate, it is characterised in that: including being provided with accommodating chamber (11)
Backboard (1), setting backboard (1) offer accommodating chamber (11) side around accommodating chamber (11) setting fixed ring (7), set
The light guide plate (2) in accommodating chamber (11) is set, is arranged and is deviated from the reflector plate (21) of fixed ring (7) side in light guide plate (2), sets
Set the optical diaphragm (4) on the inside of fixed ring (7), setting deviates from light guide plate (2) side in optical diaphragm (4) and is located at fixation
The fixing piece (6) for optical diaphragm (4) to be fixed of liquid crystal display panel (5), setting in fixed ring (7) in ring (7)
And it is fixedly connected on fixed ring (7) and is located at the limit plate (9) that liquid crystal display panel (5) deviate from optical diaphragm (4) side;
Four sides of accommodating chamber (11) are both provided with the light-source chamber (12) being provided on backboard (1), set in light-source chamber (12)
It is equipped with backlight (3), four sides of backboard (1) are corresponded with four sides of fixed ring (7) and corresponding side is mutual
Concordantly;
The binding groove (71) for running through backboard (1) and fixed ring (7) along the vertical direction is offered on four sides of backboard (1), tightly
Gu the cross section of slot (71) is arranged in convex shape, it is both provided in each binding groove (71) mutually matched with binding groove (71)
Bracket (8), bracket (8) are all threaded with the fastening bolt through bracket (8) away from the side at backboard (1) center
(81)。
2. a kind of liquid crystal display device convenient for being reprocessed to light guide plate according to claim 1, it is characterised in that: institute
Fixing piece (6) is stated to include the backing plate (61) being arranged around optical diaphragm (4) and be fixedly connected on backing plate (61) and be located at
Partition (62) of the optical diaphragm (4) close to light guide plate (2) side;
Partition (62) contacts with each other with backboard (1), contacts with each other on the inside of backing plate (61) and fixed ring (7).
3. a kind of liquid crystal display device convenient for being reprocessed to light guide plate according to claim 2, it is characterised in that: institute
It states and is offered several fixation holes (72) on the inside of fixed ring (7), be provided on partition (62) through partition (62) and be inserted into
To the fixed column (63) in fixation hole (72), when fixed column (63) is inserted into fixation hole (72), fixed column (63) deviates from fixation hole
(72) one end and partition (62) deviates from the side flush with each other of fixation hole (72).
4. a kind of liquid crystal display device convenient for being reprocessed to light guide plate according to claim 1, it is characterised in that: institute
Reflector plate (21) is stated to be fixedly connected on by way of gluing on light guide plate (2).
5. a kind of liquid crystal display device convenient for being reprocessed to light guide plate according to claim 1, it is characterised in that: institute
The top side and bottom side for stating light-source chamber (12) are both provided with the reflective membrane (31) being fixedly connected on backboard (1).
6. a kind of liquid crystal display device convenient for being reprocessed to light guide plate according to claim 1, it is characterised in that: institute
It states limit plate (9) and is fixedly connected with the elastic cushion (91) to contact with each other with liquid crystal display panel (5) close to the side of liquid crystal display panel (5).
7. a kind of liquid crystal display device convenient for being reprocessed to light guide plate according to claim 1, it is characterised in that: institute
Light guide plate (2) are stated to contact with each other close to the side of optical diaphragm (4) with optical diaphragm (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910798667.3A CN110488538A (en) | 2019-08-27 | 2019-08-27 | A kind of liquid crystal display device convenient for being reprocessed to light guide plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910798667.3A CN110488538A (en) | 2019-08-27 | 2019-08-27 | A kind of liquid crystal display device convenient for being reprocessed to light guide plate |
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CN110488538A true CN110488538A (en) | 2019-11-22 |
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CN201910798667.3A Pending CN110488538A (en) | 2019-08-27 | 2019-08-27 | A kind of liquid crystal display device convenient for being reprocessed to light guide plate |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111308789A (en) * | 2020-04-25 | 2020-06-19 | 翟久香 | LED backlight protection device convenient to dismouting |
WO2023108697A1 (en) * | 2021-12-13 | 2023-06-22 | 武汉华星光电半导体显示技术有限公司 | Display device |
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CN101324723A (en) * | 2007-06-13 | 2008-12-17 | 台达电子工业股份有限公司 | LCD device and backlight module and frame structure thereof |
CN102661526A (en) * | 2012-03-21 | 2012-09-12 | 京东方科技集团股份有限公司 | Backlight source module and display device |
CN104965351A (en) * | 2015-07-27 | 2015-10-07 | 苏州固特斯电子科技有限公司 | Liquid crystal display module |
CN207424456U (en) * | 2017-10-09 | 2018-05-29 | 深圳市赛时达光电科技有限公司 | Backlight module and display device |
-
2019
- 2019-08-27 CN CN201910798667.3A patent/CN110488538A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101324723A (en) * | 2007-06-13 | 2008-12-17 | 台达电子工业股份有限公司 | LCD device and backlight module and frame structure thereof |
CN102661526A (en) * | 2012-03-21 | 2012-09-12 | 京东方科技集团股份有限公司 | Backlight source module and display device |
CN104965351A (en) * | 2015-07-27 | 2015-10-07 | 苏州固特斯电子科技有限公司 | Liquid crystal display module |
CN207424456U (en) * | 2017-10-09 | 2018-05-29 | 深圳市赛时达光电科技有限公司 | Backlight module and display device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111308789A (en) * | 2020-04-25 | 2020-06-19 | 翟久香 | LED backlight protection device convenient to dismouting |
WO2023108697A1 (en) * | 2021-12-13 | 2023-06-22 | 武汉华星光电半导体显示技术有限公司 | Display device |
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Application publication date: 20191122 |
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