CN109387981A - A kind of backlight module and liquid crystal display panel - Google Patents
A kind of backlight module and liquid crystal display panel Download PDFInfo
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- CN109387981A CN109387981A CN201811565143.1A CN201811565143A CN109387981A CN 109387981 A CN109387981 A CN 109387981A CN 201811565143 A CN201811565143 A CN 201811565143A CN 109387981 A CN109387981 A CN 109387981A
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- supporting layer
- splicing
- backlight module
- circuit board
- gap
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 18
- 239000011324 bead Substances 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 238000002310 reflectometry Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000005282 brightening Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module and liquid crystal display panel, including backboard, has several through-holes through backboard；In having splicing gap on the backboard, between two adjacent circuit boards, the through-hole corresponds to the splicing gap for several circuit boards, mutually splicing；Supporting layer is filled in the through-hole and splicing gap；Several lamp beads are uniformly distributed on each circuit board；On each circuit board, the centre distance of two adjacent lamp beads is P, and the center close to the lamp bead of the board edge is L at a distance from the board edge1, the width in the splicing gap is H, wherein P=2L1+H.Present invention assembling is simple, and the processing again to product may be implemented, and improves the light taste effect of liquid crystal display panel.
Description
Technical field
The present invention relates to a kind of backlight module and liquid crystal display panels.
Background technique
Mini-LED is used for LCD display backlight light source by market, and because it can realize ultra-thin, multi partition is again simultaneously using small
Scale chips product, can match in excellence or beauty OLED product on real effect, and can more have competition compared with OLED again in material cost
Advantage and be suggested use.
During Mini-LED backlight design, it is limited existing Mini-LED bonding board size limitation, monolithic Mini-
LED backlight board size is limited.When using Mini-LED lamp plate in large size TV machine backlight design, facing must be used
More Mini-LED lamp plate splicings.Assuming that nearest Mini-LED design spacing is L, adjacent lamps in pcb board between adjacent pcb board
The spacing of pearl is P.Generally for the good taste effect of guarantee, it is desirable to which L=P is to guarantee that luminance transition is uniform between plate.However PCB
There are tolerance, assembling process also there is assembling tolerance, will be unable to that L=P is effectively ensured for plate apparent size.As L > P, highlighted between plate
For concealed wire.Especially when PCB surface progress white paint processing, and the reflection of piece region is insufficient, more shows concealed wire state；As L < P
When, it highlights as bright line between plate.
Assuming that at this time in lamp plate edge LED away from lamp plate Edge Distance be L1.If L1=L/2, to realize L1=P, to PCB ruler
Very little control and assembly precision require very high.
In addition, during lamp plate overlap joint, to guarantee as far as possible smooth and realizing that ultrathin designs simultaneously, usually to lamp plate
Fixed to stick mode using adhesive tape, which can effectively ensure that smooth and realize that ultrathin designs, but there is also attachments simultaneously
Complex procedures, it is difficult to the problems such as heavy industry.
Summary of the invention
The object of the present invention is to provide backlight module and liquid crystal display panels, can efficiently solve light and sample poor, spelling
The problems such as connecing bad, complex procedures and being difficult to heavy industry.
In order to solve the above technical problems, the present invention provides a kind of backlight module and liquid crystal display panel, including backboard, have
Several through-holes through backboard；Several circuit boards, mutually splicing have between two adjacent circuit boards and spell on the backboard
Seam gap, the through-hole correspond to the splicing gap；Supporting layer is filled in the through-hole and splicing gap；Several lamps
Pearl is uniformly distributed on each circuit board.
Further, the supporting layer includes the first supporting layer, is set in the through-hole, and formed in corresponding through-hole
Support portion；Second supporting layer is connected to the first supporting layer and is filled in the splicing gap, to be bonded the splicing gap
The circuit board of two sides, second supporting layer have support bar corresponding with the splicing gap；Third supporting layer is connected to institute
It states the second supporting layer and protrudes from the surface of the circuit board, the third supporting layer has several support salient points, each support
Salient point is Nian Jie with the splicing circuit board of gap two sides.
Further, in the through hole, the support portion is a cylinder；In a splicing gap, the support bar is
Cuboid, each support bar are corresponding with an at least support portion.
Further, the support salient point is hemispherical, and in a splicing gap, each support bar is corresponding at least one
Support salient point.
Further, interlaced between all support bars to form the described of fenestral fabric in all splicing gaps
Second supporting layer.
Further, the second supporting layer width is 0.5~2mm, is highly 0.5~2mm；The third supporting layer is high
Degree is 1~2mm, width is 1~3mm.
Further, the supporting layer is polycarbonate plastic；The reflectivity 85% of the supporting layer.
Further, the circuit board is rectangle structure, including long side and short side；The phase of the two neighboring circuit board
Number of openings between adjacent long side is 3~5；Number of openings between the adjacent short sides of the two neighboring circuit board is 2~4
It is a.
Further, on each circuit board, the centre distance of two adjacent lamp beads is P, close to the circuit board edge
The center of the lamp bead of edge is L1 at a distance from the board edge, and the width in the splicing gap is H, wherein P=2L1+H.
Another object of the present invention provides a kind of liquid crystal display panel, including the backlight module.
The beneficial effects of the present invention are: the present invention proposes a kind of backlight module and liquid crystal display panel, using on backboard
Equipped with through-hole, at through-hole corresponding circuits plate splicing gap, and support column is equipped on the through-hole.Operation letter may be implemented
List, circuit board splicing effect are good, and distance and the phase on lamp plate between the lamp bead of adjacent lamp plate are controlled using the structure of supporting layer
The distance of adjacent lamp bead is identical, and light taste effect can be improved.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is back light module unit structure schematic diagram of the present invention；
Fig. 2 is circuit board splicing construction schematic diagram of the present invention；
Backlight module 10；Liquid crystal display panel 20
Backboard 11；Through-hole 12；Circuit board 13；
Splice gap 14；Supporting layer 15；Lamp bead 16；
Fluorescent film 17；Diffusion sheet 18；Brightening film sheet 19；
First supporting layer 151；Second supporting layer 152；Third supporting layer 153；
Support portion 1511；Support bar 1521；Salient point 1531；
Down polaroid 21；Array substrate 22；Liquid crystal 23；
Color membrane substrates 24；Upper polarizer 25.
Specific embodiment
The explanation for being below each embodiment is can to use the specific reality implemented to illustrate the present invention with reference to additional schema
Apply example.The direction term that the present invention is previously mentioned, for example, above and below, front, rear, left and right, inside and outside, side etc., be only with reference to accompanying drawings
Direction.The element title that the present invention mentions, such as first, second etc., it is only to discriminate between different components, it can better table
It reaches.The similar unit of structure is given the same reference numerals in the figure.
Herein with reference to the accompanying drawings to detailed description of the present invention embodiment.The present invention can show as many different forms,
The present invention should not be only interpreted as specific embodiment set forth herein.It is to explain the present invention that the present invention, which provides these embodiments,
Practical application, to make others skilled in the art it will be appreciated that various embodiments of the present invention and being suitable for specific expection
The various modifications scheme of application.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As shown in Figure 1, the present invention provides a kind of backlight module 10, including backboard 11, several circuit boards 13, supporting layer 15,
Lamp bead 16, fluorescent film 17 and brightening film sheet 19.
The splicing of several circuit boards 13 is on the backboard 11.In the present embodiment, each circuit board 13 is size phase
Same rectangle structure.Each circuit board 13 includes long side and short side.When splicing to the circuit board, adjacent two
Between a circuit board 13, long side 131a is aligned with long side 131b, and short side 132a is aligned with short side 132b, forms the circuit board battle array
Array structure.
As shown in Fig. 2, having splicing gap 14, i.e., the length of two adjacent circuit boards between two adjacent circuit boards
With a reserved splicing gap 14a between side, likewise, also having one to reserve between the short side of two adjacent circuit boards
Splicing gap 14b.And the corresponding splicing gap 14b of short side and splicing gap 14a transverse and longitudinal stagger mode networking corresponding with long side
Grating texture.
Referring also to Fig. 1, Fig. 2, the supporting layer 15 are filled in splicing gap 14, meanwhile, institute in order to further increase
State the stability of support column 15, in the present embodiment, the backboard 11 is equipped with multiple through-holes 12, each through-hole 12 corresponding wherein one
Splice gap 14, the through-hole 12 runs through the backboard 11.The supporting layer 15 also extends in the through-hole 12 simultaneously, to increase
Stability and fastness of the strong supporting layer 15 in splicing gap 14.
Since and the corresponding splicing gap 14b of short side and splicing gap corresponding with long side 14a transverse and longitudinal is staggered to form grid
Shape structure, corresponding, the supporting layer 15 also forms the staggered network-like structure of transverse and longitudinal.
Specifically, the corresponding position in each splicing gap 14, is equipped at least one through-hole 12.The length of the circuit board 13
The position of the corresponding splicing gap 14a in side, quantity are arranged according to the length of splicing gap 14a.In the present embodiment, in the spelling
Seam gap 14a corresponding position, the quantity of the through-hole 12 are arranged 3~5, and preferably 4, the quantity of certain through-hole 12 is also
Related with the diameter of the through-hole 12, the quantity of through-hole 12 described in the present embodiment is the length and institute in conjunction with the splicing gap 14
State the diameter integrated consideration setting of through-hole 12.Likewise, the position of the corresponding splicing gap 14b of the short side of the circuit board 13
It sets, quantity is also arranged according to the length of splicing gap 14b, in the present embodiment, in splicing gap 14b corresponding position, institute
The quantity for stating through-hole 12 is arranged 2~4, preferably 3 or 4.
In order to realize the control of the width to the splicing gap 14 between two adjacent circuit boards 13, and make the electricity
Road plate 13 can be stably fixed on the backboard 11, and therefore, the structure of the supporting layer 15 needs to make special set
Meter, meanwhile, certain performance requirement is also required to the material of the supporting layer 15, can effectively fix the circuit board
13, and can control the width in the splicing gap 14 between the circuit board 13, improve the hair of the backlight module 10
Optical property.
The present embodiment provides a kind of designs of the structure of supporting layer 15, and in the present embodiment, the supporting layer 15 is poly-
Carbonic ester plastics, polycarbonate plastic is high-intensitive with tool and coefficient of elasticity, high impact, use temperature range are wide, shapes
Shrinking percentage is low, dimensional stability is good, fatigue durability is good, weatherability is good, electrical characteristic is excellent and tasteless odorless and to human body
It is harmless meet it is safe and healthy；The reflectivity 85% of the supporting layer 15, can the backlight to backlight module 10 uniformly expanded
It dissipates.In this way when PCB surface carries out white paint processing, supporting layer 15 can play the role of preferably reflecting.
Further, the supporting layer 15 includes the first supporting layer 151, the second supporting layer 152 and third supporting layer
153。
First supporting layer 151 is set in the through-hole 12, and forms support portion in the corresponding through-hole 12
1511, the support portion 1511 is identical as 12 shape size of through-hole, and the support portion 1511 is a cylindrical body, and described the
For one supporting layer 151 mainly by mold injecting glue or injection molding, first supporting layer 151 plays the entire supporting layer 15
Be fixedly connected with effect, to enhance the stability and fastness of the entire supporting layer 15.
In the present embodiment, viscose adherency is not used when the circuit board 13 splices, the supporting layer 151 can be with
It realizes the bonding effect of the fixed circuit board 13, and may be implemented easy to disassemble, also may be implemented to re-work.
Second supporting layer 152 is connected to the first supporting layer 151 and is filled in the splicing gap 14, to viscous
The circuit board 13 of splicing 14 two sides of gap is connect, second supporting layer 152 mainly passes through mold injecting glue or injection molding.
There is support bar 1521 corresponding with the splicing gap in second supporting layer 152；In the present embodiment, due to each support
Splicing gap 14 corresponding to item 1521 is strip, and therefore, each support bar 1521 is rectangular parallelepiped structure.
The width of the support bar 1521 is greater than the diameter of the support portion 1511, therefore in actual design process, institute
The diameter for stating through-hole 12 is less than the width in the splicing gap 14, i.e., the described through-hole 12 is fallen completely in the splicing gap 14；
In all splicing gaps 14, all support bars 1521 intersect to form second supporting layer 152 of fenestral fabric.
In the present embodiment, 1521 width of support bar is 0.5~2mm, in the present embodiment preferably 1mm, certainly,
The width of the support bar 1521 also can choose 0.5mm, 1.5mm or 2mm, and specific width designs according to the actual situation.Institute
Stating 1521 height of support bar is 1~2mm, in the present embodiment preferably 1.5mm, and certainly, the height of the support bar 1521 can
Think 1mm, 1.6mm or 2mm.In the present embodiment, the height of the support bar 1521 is the thickness design according to circuit board 13
, the consistency of thickness of the height of the support bar 1521 and the circuit board 13.
The third supporting layer 153 is connected to second supporting layer 152 and protrudes from the surface of the circuit board 13,
The third supporting layer 153 is Nian Jie with the splicing circuit board 13 of 14 two sides of gap.In the present embodiment, the third supporting layer
153, it is connected to second supporting layer 152 and protrudes from the surface of the circuit board 13, if the third supporting layer 153 has
The Heavenly Stems and Earthly Branches support salient point 1531, and each support salient point 1531 is Nian Jie with the splicing circuit board 13 of 14 two sides of gap.
Each supporting layer item 1521 at least corresponds to a support salient point 1531；The support salient point 1531 mainly passes through mould
Have injecting glue or injection molding.The support salient point 1531 is hemispherical dome structure；It is described support salient point 1531 height be 1~
2mm is preferably 1.5mm in the present embodiment, and it can be 1mm, 1.8mm that the height of the support salient point 1531, which also can choose,
Or 2mm；The width of the support salient point 1531 is 1~3mm, in the present embodiment preferably 2mm, certainly, the support salient point
1531 width may be 1mm, 1.5mm, 2.5mm or 3mm.
The branch being made up of the third supporting layer 153, second supporting layer 152 and the first supporting layer 151
Support layer 15, may be implemented to fix the circuit board 13, and give up it is original explanation adherency mode, can be effectively ensured it is smooth simultaneously
It realizes ultrathin design, while easy to operate, can be with heavy industry the advantages that may be implemented.And it can be anti-due to the supporting layer 15
The effect spread to light source may be implemented in the characteristic penetrated.
Several lamp beads 16 are evenly distributed on each circuit board 13；Backlight module 10 of the invention is downward back
Light source, the lamp bead 16 are controlled by the circuit board 13, be can be controlled separately one-point or multi-point backlight and are shone.The lamp bead 16 1
As be LED light source.
On the circuit board 13, the centre distance of two adjacent lamp beads 16 is P, near 13 edge of circuit board
The lamp bead 16 center at a distance from 13 edge of circuit board be L1, the width in the splicing gap 14 is H, wherein P
=2L1+H.In specific design, L1Half less than P this makes it possible to facilitate the splicing circuit board 13, and can overcome
Because of P and L in background technique1Distance it is not equal and caused by concealed wire problem, can effectively improve the effect of light taste.Due to
The supporting layer 15 has elasticity, is easier adjustment L when circuit board is placed in this way1Distance so that P=2L1+H。
The fluorescent film 17 is overlying in the circuit board 13 and lamp bead 16；The diffusion sheet 18 is overlying on the fluorescent film 17
On；The brightening film sheet 19 is overlying on the diffusion sheet 18.The fluorescent film 17, the diffusion sheet 18 and the brightening film sheet 19
The optical diaphragm group of composition enables light to spread uniformly and assembles in positive view directions to further realize uniformly light-emitting.
Referring to Fig. 1, in the present embodiment, a kind of liquid crystal display panel 30 is additionally provided, including the backlight module 10.Institute
Stating display panel can be improved light taste effect, can process again；Light can be made uniformly to spread, increase the brightness of liquid crystal display.
Certainly, the liquid crystal display panel of the present embodiment further include down polaroid 21, array substrate 22, liquid crystal 23, color membrane substrates 24 and
Upper polarizer 25, major design of the invention are characterized by 10 part of backlight module, particular in that the splicing knot of circuit board 13
Connection structure between structure, the distributed architecture of lamp bead 16, the structure of supporting layer 15 and supporting layer 15 and circuit board 13, therefore,
Other components of liquid crystal display panel are just no longer repeated one by one.
It should be pointed out that can also have the embodiment of a variety of transformation and remodeling for the present invention through absolutely proving,
It is not limited to the specific embodiment of above embodiment.Above-described embodiment is as just explanation of the invention, rather than to hair
Bright limitation.In short, protection scope of the present invention should include that those are obvious to those skilled in the art
Transformation or substitution and remodeling.
Claims (10)
1. a kind of backlight module and liquid crystal display panel, which is characterized in that including
Backboard has several through-holes through the backboard；
Several circuit boards, mutually splicing have between two adjacent circuit boards on the backboard and splice gap, the through-hole
Corresponding to the splicing gap；
Supporting layer is filled in the through-hole and splicing gap；
Several lamp beads are uniformly distributed on each circuit board.
2. backlight module according to claim 1, which is characterized in that the supporting layer includes
First supporting layer is set in the through-hole, and forms support portion in corresponding through-hole；
Second supporting layer is connected to first supporting layer and is filled in the splicing gap, to be bonded the splicing seams
The circuit board of gap two sides, second supporting layer have support bar corresponding with the splicing gap；
Third supporting layer is connected to second supporting layer and protrudes from the surface of the circuit board, the third supporting layer tool
There are several support salient points, each support salient point is Nian Jie with the splicing circuit board of gap two sides.
3. backlight module according to claim 2, which is characterized in that
In the through hole, the support portion is a cylinder；
In a splicing gap, the support bar is cuboid, and each support bar is corresponding with an at least support portion.
4. backlight module according to claim 3, which is characterized in that
The support salient point is hemispherical, and in a splicing gap, each support bar is corresponding at least one support salient point.
5. backlight module according to claim 2, which is characterized in that
In all splicing gaps, interlaced second supporting layer for forming fenestral fabric between all support bars.
6. backlight module according to claim 2, which is characterized in that
The width of the support bar is 0.5~2mm, is highly 0.5~2mm
The height of the support salient point is 1~2mm, width is 1~3mm.
7. backlight module according to claim 1, which is characterized in that
The supporting layer material therefor is polycarbonate plastic；The reflectivity 85% of the supporting layer.
8. backlight module according to claim 1, which is characterized in that
The circuit board is rectangle structure, including long side and short side；
Number of openings between the adjacent long edges of two circuit boards is 3~5；
Number of openings between the adjacent short sides of two circuit boards is 2~4.
9. backlight module according to claim 1, which is characterized in that
On each circuit board, the centre distance of two adjacent lamp beads is P, close to the center of the lamp bead of the board edge
With at a distance from the board edge be L1, the width in the splicing gap is H, wherein P=2L1+H。
10. a kind of liquid crystal display panel, which is characterized in that including area source backlight mould as described in any one of claims 1 to 9
Group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565143.1A CN109387981B (en) | 2018-12-20 | 2018-12-20 | Backlight module and liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565143.1A CN109387981B (en) | 2018-12-20 | 2018-12-20 | Backlight module and liquid crystal display panel |
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| Publication Number | Publication Date |
|---|---|
| CN109387981A true CN109387981A (en) | 2019-02-26 |
| CN109387981B CN109387981B (en) | 2021-07-06 |
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| CN201811565143.1A Active CN109387981B (en) | 2018-12-20 | 2018-12-20 | Backlight module and liquid crystal display panel |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061116A (en) * | 2019-04-29 | 2019-07-26 | 惠州市华星光电技术有限公司 | Mini-LED backlight and preparation method thereof |
| CN110133917A (en) * | 2019-06-28 | 2019-08-16 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
| CN110133914A (en) * | 2019-05-29 | 2019-08-16 | 深圳市华星光电半导体显示技术有限公司 | A kind of backing structure and preparation method thereof, display device |
| CN110361891A (en) * | 2019-07-29 | 2019-10-22 | 武汉华星光电技术有限公司 | Backlight module |
| CN110491866A (en) * | 2019-07-31 | 2019-11-22 | 武汉华星光电技术有限公司 | Backlight module and preparation method thereof |
| CN110634400A (en) * | 2019-08-22 | 2019-12-31 | 武汉华星光电技术有限公司 | Backlight module, display device and manufacturing method of backlight module |
| CN110908188A (en) * | 2019-11-26 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display device |
| CN111183473A (en) * | 2020-01-02 | 2020-05-19 | 康佳集团股份有限公司 | Method for improving bright lines of splicing seams of display screen |
| CN111323968A (en) * | 2020-04-07 | 2020-06-23 | Tcl华星光电技术有限公司 | Backlight module and display device |
| WO2021031292A1 (en) * | 2019-08-16 | 2021-02-25 | 武汉华星光电技术有限公司 | Backlight module |
| CN112599030A (en) * | 2020-12-11 | 2021-04-02 | 季华实验室 | Splicing gap filling device and LED display screen |
| CN112596303A (en) * | 2020-12-30 | 2021-04-02 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN113093434A (en) * | 2019-12-23 | 2021-07-09 | 海信视像科技股份有限公司 | Display device |
| CN114527599A (en) * | 2022-02-28 | 2022-05-24 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN114627749A (en) * | 2022-03-16 | 2022-06-14 | 广州华星光电半导体显示技术有限公司 | Backlight module and display device |
| CN115755460A (en) * | 2022-08-12 | 2023-03-07 | 苏州华星光电技术有限公司 | Backlight module and display device |
| WO2025040079A1 (en) * | 2023-08-22 | 2025-02-27 | 深圳市影友摄影器材有限公司 | Photography panel light |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1731250A (en) * | 2005-08-31 | 2006-02-08 | 友达光电股份有限公司 | Direct Type Backlight Module |
| JP2007012305A (en) * | 2005-06-28 | 2007-01-18 | Toshiba Corp | Junction structure of printed circuit board, and printed circuit board |
| CN101211048A (en) * | 2006-12-29 | 2008-07-02 | Lg.菲利浦Lcd株式会社 | Backlight unit and display device having the same |
| KR20100056196A (en) * | 2008-11-19 | 2010-05-27 | 엘지디스플레이 주식회사 | Back light unit and liquid crystal display device |
| CN207623648U (en) * | 2017-12-05 | 2018-07-17 | 昆山龙腾光电有限公司 | A kind of package assembly and display device of backboard and circuit board |
| TWI642979B (en) * | 2018-05-03 | 2018-12-01 | 達方電子股份有限公司 | Backlight apparatus |
-
2018
- 2018-12-20 CN CN201811565143.1A patent/CN109387981B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007012305A (en) * | 2005-06-28 | 2007-01-18 | Toshiba Corp | Junction structure of printed circuit board, and printed circuit board |
| CN1731250A (en) * | 2005-08-31 | 2006-02-08 | 友达光电股份有限公司 | Direct Type Backlight Module |
| CN101211048A (en) * | 2006-12-29 | 2008-07-02 | Lg.菲利浦Lcd株式会社 | Backlight unit and display device having the same |
| KR20100056196A (en) * | 2008-11-19 | 2010-05-27 | 엘지디스플레이 주식회사 | Back light unit and liquid crystal display device |
| CN207623648U (en) * | 2017-12-05 | 2018-07-17 | 昆山龙腾光电有限公司 | A kind of package assembly and display device of backboard and circuit board |
| TWI642979B (en) * | 2018-05-03 | 2018-12-01 | 達方電子股份有限公司 | Backlight apparatus |
Cited By (27)
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|---|---|---|---|---|
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| CN110061116A (en) * | 2019-04-29 | 2019-07-26 | 惠州市华星光电技术有限公司 | Mini-LED backlight and preparation method thereof |
| CN110133914A (en) * | 2019-05-29 | 2019-08-16 | 深圳市华星光电半导体显示技术有限公司 | A kind of backing structure and preparation method thereof, display device |
| CN110133914B (en) * | 2019-05-29 | 2021-12-03 | 深圳市华星光电半导体显示技术有限公司 | Backlight structure, manufacturing method thereof and display device |
| CN110133917A (en) * | 2019-06-28 | 2019-08-16 | 厦门天马微电子有限公司 | A kind of curved surface backlight module and display device |
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| US11333322B2 (en) * | 2019-07-31 | 2022-05-17 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module and manufacturing method thereof |
| WO2021017270A1 (en) * | 2019-07-31 | 2021-02-04 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method therefor |
| WO2021031292A1 (en) * | 2019-08-16 | 2021-02-25 | 武汉华星光电技术有限公司 | Backlight module |
| CN110634400A (en) * | 2019-08-22 | 2019-12-31 | 武汉华星光电技术有限公司 | Backlight module, display device and manufacturing method of backlight module |
| CN110634400B (en) * | 2019-08-22 | 2021-04-27 | 武汉华星光电技术有限公司 | Backlight module, display device and manufacturing method of backlight module |
| CN110908188A (en) * | 2019-11-26 | 2020-03-24 | 深圳市华星光电半导体显示技术有限公司 | Backlight module and display device |
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| CN111183473A (en) * | 2020-01-02 | 2020-05-19 | 康佳集团股份有限公司 | Method for improving bright lines of splicing seams of display screen |
| CN111323968A (en) * | 2020-04-07 | 2020-06-23 | Tcl华星光电技术有限公司 | Backlight module and display device |
| CN112599030A (en) * | 2020-12-11 | 2021-04-02 | 季华实验室 | Splicing gap filling device and LED display screen |
| CN112596303A (en) * | 2020-12-30 | 2021-04-02 | 武汉华星光电技术有限公司 | Backlight module and display device |
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