CN108072997A - Down straight aphototropism mode set and liquid crystal display - Google Patents
Down straight aphototropism mode set and liquid crystal display Download PDFInfo
- Publication number
- CN108072997A CN108072997A CN201611014846.6A CN201611014846A CN108072997A CN 108072997 A CN108072997 A CN 108072997A CN 201611014846 A CN201611014846 A CN 201611014846A CN 108072997 A CN108072997 A CN 108072997A
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- CN
- China
- Prior art keywords
- mode set
- down straight
- straight aphototropism
- aphototropism mode
- face
- 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.)
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Classifications
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- 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
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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)
- Planar Illumination Modules (AREA)
Abstract
A kind of down straight aphototropism mode set, including：Backboard, light emitting source and optical diaphragm, the backboard includes a substrate and at least two back plate frames, at least two back plate frame, which removably assembles, cooperatively forms adjustable for height backboard side frame, the wherein end face of the substrate and the backboard side frame is fixed to form an accommodating chamber, the light emitting source is arranged on the bottom of the accommodating chamber, and the optical diaphragm is arranged on another end face opposite with the substrate of the backboard side frame.
Description
Technical field
The present invention relates to display field more particularly to a kind of down straight aphototropism mode set and the liquid for including the backlight module
Crystal display.
Background technology
Down straight aphototropism mode set generally includes backboard, LED light bar, optical diaphragm etc..LED light bar is arranged on the bottom of backboard
Surface, optical diaphragm are arranged on the aperture position of backboard.The light that LED light bar is sent is after the diffusion by optical diaphragm
It is radiated on liquid crystal panel, since the light-emitting angle θ of light is limited, and there are a determining deviations by the LED in LED light bar, it is necessary to protect
Holding enough light mixing distances can just be radiated at uniform light on optical diaphragm, wherein, the light mixing distance is LED light source
Light-emitting surface is to the vertical range of optical diaphragm.Since same backlight module needs the LED light of compatible design different schemes, not Tongfang
The light mixing distance of the LED light of case is different, when using the LED light of different schemes, then needs to open backboard mold again to be compatible with not
With the LED light difference light mixing distance demand of scheme, still, the cycle of mold developing is long again, and design cost increases, and adds production
Product design cycle and design cost.
The content of the invention
In view of this, it is necessary to which a kind of down straight aphototropism mode set that can solve above-mentioned technical problem is provided.
A kind of down straight aphototropism mode set, including：Backboard, light emitting source and optical diaphragm, the backboard include a substrate and
At least two back plate frames, at least two back plate frame, which removably assembles, cooperatively forms adjustable for height backboard side frame,
The wherein end face of the substrate and the backboard side frame is fixed to form an accommodating chamber, and the light emitting source is arranged on the receiving
The bottom of chamber, the optical diaphragm are arranged on another end face opposite with the substrate of the backboard side frame.
Compared with prior art, the down straight aphototropism mode set of offer provided by the invention and the liquid of the backlight module is included
Crystal display, the backboard include a substrate and at least two back plate frames, and the substrate and the back plate frame are individually
Shaping, at least two back plate frame removably assemble the structure for cooperatively forming adjustable for height backboard side frame, realize
Light mixing distance can be changed by increasing or reducing the quantity of back plate frame, expired in different product to different light mixing distances
Demand, and need not mold developing again, reduce the manufacture cost of backlight module.
Description of the drawings
Fig. 1 is the structure chart for the down straight aphototropism mode set that first embodiment of the invention provides.
Fig. 2 is the explosive view for the down straight aphototropism mode set that Fig. 1 is provided.
Fig. 3 is sectional view of the down straight aphototropism mode set shown in FIG. 1 along III-III directions.
Fig. 4 is the structure chart for the secondary optical lens that the down straight aphototropism mode set described in Fig. 1 includes.
Fig. 5 is the sectional view of the secondary optical lens described in Fig. 4.
Fig. 6 is the structure chart for the down straight aphototropism mode set that second embodiment of the invention provides.
Fig. 7 is the structure chart for the down straight aphototropism mode set that third embodiment of the invention provides.
Main element symbol description
Specific embodiment will be further illustrated the present invention with reference to above-mentioned attached drawing.
Specific embodiment
With reference to accompanying drawings and embodiments will be combined, backlight module provided by the invention and liquid crystal display are made further
Detailed description.
First embodiment
- 5 are please referred to Fig.1, is a kind of down straight aphototropism mode set 100 provided by the invention, including：Backboard 10, light emitting source
20th, secondary optical lens 30 and optical diaphragm 40.
The backboard 10 includes a substrate 101 and at least two back plate frames 102.The substrate 101 and the backboard frame
Frame 102 is individually molded.The material of the substrate 101 and the back plate frame 102 is metal or plastic cement.Each back of the body
Plate framework 102 includes four connected plate-like inclines 104, and adjacent two inclines 104 are mutually perpendicular to.Described at least two
Back plate frame 102, which removably assembles, cooperatively forms adjustable for height backboard side frame 11, the substrate 101 and the backboard side frame
11 one of end face is fixed to form an accommodating chamber 12.The wherein end face of the substrate 101 and the backboard side frame 11
It is fixed by screw locking or glue.
Between at least two back plate frame 102 by welding, engaging, fastening, magnetic, dispensing, in screw locking
Any one mode is mutually fixed.
The down straight aphototropism mode set 100 shown in present embodiment includes two back plate frames 102, in other embodiment
In, the quantity of back plate frame can be with more than two.
It is to lock to be fixed together by screw 12 between two back plate frames 102 in present embodiment.Specifically
The first screw hole 103 is offered on the substrate 101, is offered on the incline 104 of the back plate frame 102 and the first screw hole
Corresponding second screw hole 105 in 103 positions, the screw 12 pass through the first screw hole 103 and the second screw hole 105, so as to by the base
Plate 101 is fixed together with the back plate frame 102.
The light emitting source 20 includes circuit board 21 and the LED light source 22 being arranged on the circuit board 21, the light emitting source
20 are arranged on the surface of the substrate 101.
Referring to Fig. 5, the secondary optical lens 30 are arranged on 22 periphery of LED light source.The secondary optical lens 30 wrap
Include the first curved 31 and second curved face 32 of face for being located at successively on LED light source 22, the bottom week in the first curved face 31
The bottom peripheral edge in edge and the second curved face 32 is in same level and connects into joint face 33, is formed on the joint face 33 several
First convex block 330 and several second convex blocks 331, the first convex block 330 are mutually parallel interval, and the second convex block 331 is mutually parallel interval,
These 330 and second convex block of the first convex block, 331 interlaced arrangements.The shape of every one first convex block 330 and every one second convex block
331 shape is identical, is semi-cylindrical.During the light directive secondary optical lens 30 that LED light source 22 is sent, a part of light
In 30 inside directive joint face 33 of secondary optical lens after the reflex of the first convex block 330 and the second convex block 331 to
All angles outgoing, the light-emitting angle of increase emergent ray, and make emergent ray more uniform.
First curved face 31 of the secondary optical lens 30 is included from joint face 33 into the entity of secondary optical lens
Portion is recessed to form curved 34 and one sharp portion 35 of face inner wall, which is located at the top of curved face inner wall 34, this is curved
Face inner wall 34 is gradually reduced along the slope in the section in lens axial direction by joint face 33, and the sharp portion 35 is along in lens axial direction
The slope in section is gradually increased by curved face inner wall 34.It is positive during light directive first curved face 31 that LED light source 22 is sent
Deflected after refraction action of the light by sharp portion 35 to 32 side of lens, so as to by positive light guide to secondary optical lens
30 laterally disperse, is conducive to make outgoing equalizing light rays.
Second curved face 32 of the secondary optical lens 30 is located at the first curved 31 top of face, which wraps
It includes positioned at the concave surface 320 of center of top, the cambered surface 321 of 320 periphery of concave surface and around the side 322 of lens side, the concave surface court
It is recessed to the direction of light source, which protrudes to the direction away from LED light source 22, and the bottom margin of the side 322, which is located at, to be connected
In junction 33.
The optical diaphragm 40 is arranged on another end face opposite with the substrate 101 of the backboard side frame 11.
The light mixing distance refers to the light-emitting surface of LED light source to the vertical range of optical diaphragm 40.Since the backboard 10 includes one
101 and at least two back plate frame 102 of substrate, the substrate 101 are individually molded with the back plate frame 102, it is described extremely
Few two back plate frames 102 removably assemble the structure for cooperatively forming adjustable for height backboard side frame 11, realize mixed light away from
From can be changed by increasing or reducing the quantity of back plate frame 102, expire in different product to different light mixing distances
Demand
Second embodiment
Referring to Fig. 6, the down straight aphototropism mode set of down straight aphototropism mode set 200 provided in this embodiment and first embodiment
100 structure is essentially identical, the difference is that：Screw is only intended to fixed substrate 101 and the back of the body adjacent with substrate 101
Plate framework 102, and be by being fixed together between each two back plate frame 202.Specifically a backboard wherein
On the incline 204 of frame 202 set protrusion 220, described in another back plate frame 102 on incline 204 set with it is convex
Play the card slots 210 of 206 cooperations, described raised 220 can be multiple in separated column or around the accommodating chamber one
The cyclic lug in week.
3rd embodiment
Referring to Fig. 7, the down straight aphototropism mode set of down straight aphototropism mode set 300 provided in this embodiment and first embodiment
100 structures are essentially identical, the difference is that：Screw is only intended to fixed substrate 101 and the backboard adjacent with substrate 101
Frame 102, and be fixed together by magnet 301 between each two back plate frame 302.Specifically in each backboard frame
Groove on frame 302 is set respectively, and a magnet 301 is fixed in the groove, makes the magnet 301 attracting and by two
Back plate frame 302 is fixed.
In short, all embodiments that can be fixed back plate frame 102 and be stacked may be used to the present invention,
Details are not described herein.
It is understood that above example is only used for illustrating the present invention, limitation of the invention is not used as.For this
For the those of ordinary skill in field, other various corresponding changes and deformation that technique according to the invention design is made, all
Fall within the protection domain of the claims in the present invention.
Claims (10)
1. a kind of down straight aphototropism mode set, including：Backboard, light emitting source and optical diaphragm, it is characterised in that：The backboard includes
One substrate and at least two back plate frames, at least two back plate frame, which removably assembles, cooperatively forms the adjustable for height back of the body
Plate side frame, the wherein end face of the substrate and the backboard side frame are fixed to form an accommodating chamber, and the light emitting source is arranged on
The bottom of the accommodating chamber, the optical diaphragm are arranged on another end opposite with the substrate of the backboard side frame
Face.
2. down straight aphototropism mode set as described in claim 1, which is characterized in that each back plate frame includes four and is connected
Incline, adjacent two inclines are mutually perpendicular to.
3. down straight aphototropism mode set as described in claim 1, which is characterized in that pass through between at least two back plate frame
Any one mode in welding, engaging, fastening, magnetic, dispensing, screw locking is mutually fixed.
4. down straight aphototropism mode set as claimed in claim 3, which is characterized in that the optical diaphragm is prismatic lens, brightness enhancement film
Or diffusion sheet.
5. down straight aphototropism mode set as claimed in claim 3, which is characterized in that the substrate and the backboard side frame are wherein
End face is fixed by screw locking or glue.
6. down straight aphototropism mode set as claimed in claim 3, which is characterized in that the LED light source periphery is provided with secondary light
Learn lens.
7. down straight aphototropism mode set as claimed in claim 6, it is characterised in that：The secondary optical lens are included for successively
The bottom week in the first curved face and the second curved face being located on light source, the bottom peripheral edge in the first curved face and the second curved face
Edge is in same level and connects into joint face, forms several first convex blocks and several second convex blocks on the joint face, and first
Convex block is mutually parallel interval, and the second convex block is mutually parallel interval, these first convex blocks and the interlaced arrangement of the second convex block.
8. down straight aphototropism mode set as claimed in claim 7, it is characterised in that：First curved face of the secondary optical lens
A curved face inner wall is formed including the entity inner recess from connection towards lens and a sharp portion, the sharp portion are located at curved face
The top of inner wall, which is gradually reduced along the slope in the section in lens axial direction by joint face, and the sharp portion edge
The slope in the section in lens axial direction is gradually increased by curved face inner wall.
9. down straight aphototropism mode set as claimed in claim 8, it is characterised in that：Second curved face of the lens is located at first
Above curved face, which is included positioned at the concave surface of center of top, the cambered surface of concave surface periphery and around lens side
Side, the concave surface are recessed towards the direction of light source, which protrudes away from the direction of light source, and the bottom margin of the side is located at
On joint face.
10. a kind of liquid crystal display, which is characterized in that the liquid crystal display include claim 1~9 it is any it is described it is straight under
Formula backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014846.6A CN108072997A (en) | 2016-11-17 | 2016-11-17 | Down straight aphototropism mode set and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014846.6A CN108072997A (en) | 2016-11-17 | 2016-11-17 | Down straight aphototropism mode set and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108072997A true CN108072997A (en) | 2018-05-25 |
Family
ID=62159994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611014846.6A Pending CN108072997A (en) | 2016-11-17 | 2016-11-17 | Down straight aphototropism mode set and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108072997A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192147A (en) * | 2018-10-12 | 2019-01-11 | 盐城华旭光电技术有限公司 | A kind of display and its image correction method with flexible circuit board |
| CN110488536A (en) * | 2019-08-27 | 2019-11-22 | 深圳市泰坦士科技有限公司 | A kind of liquid crystal display device |
| CN114527601A (en) * | 2022-03-03 | 2022-05-24 | 武汉华星光电技术有限公司 | Backlight module and display panel |
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2016
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| JP2007157520A (en) * | 2005-12-06 | 2007-06-21 | Radiant Opt-Electronics Corp | Side light source mixing type back light |
| CN202152145U (en) * | 2011-08-03 | 2012-02-29 | 中国国际海运集装箱(集团)股份有限公司 | Tray box with adjustable height |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192147A (en) * | 2018-10-12 | 2019-01-11 | 盐城华旭光电技术有限公司 | A kind of display and its image correction method with flexible circuit board |
| CN109192147B (en) * | 2018-10-12 | 2021-03-19 | 盐城华旭光电技术有限公司 | Display with flexible circuit board and image correction method thereof |
| CN110488536A (en) * | 2019-08-27 | 2019-11-22 | 深圳市泰坦士科技有限公司 | A kind of liquid crystal display device |
| CN114527601A (en) * | 2022-03-03 | 2022-05-24 | 武汉华星光电技术有限公司 | Backlight module and display panel |
| CN114527601B (en) * | 2022-03-03 | 2023-08-22 | 武汉华星光电技术有限公司 | Backlight module and display panel |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180525 |
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| WD01 | Invention patent application deemed withdrawn after publication |