CN104763929A - Thin type backlight module - Google Patents
Thin type backlight module Download PDFInfo
- Publication number
- CN104763929A CN104763929A CN201510153510.7A CN201510153510A CN104763929A CN 104763929 A CN104763929 A CN 104763929A CN 201510153510 A CN201510153510 A CN 201510153510A CN 104763929 A CN104763929 A CN 104763929A
- Authority
- CN
- China
- Prior art keywords
- light source
- block
- light
- backlight module
- control film
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 abstract description 6
- 238000007598 dipping method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
Landscapes
- 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
The invention discloses a thin backlight module, which comprises a light source module and an optical regulation and control film. The light source module comprises at least one light source. The optical regulation and control film is arranged above the light source module and is provided with a plurality of light outlets, wherein the optical regulation and control film distributes light rays generated by the light source to penetrate through the light outlets at different positions and then to be emitted. The optical regulation and control film comprises at least one block which respectively corresponds to at least one light source, and a basin-shaped part is arranged in each block and is surrounded by the light outlet holes distributed in the block. The basin-shaped part is recessed relative to other positions in the block and is closer to the plane of the light source, and the projection range of the light source corresponding to the block on the block is at least partially overlapped with the distribution range of the basin-shaped part.
Description
Technical field
The present invention relates to a kind of backlight module; Specifically, the present invention relates to a kind of thin type backlight module.
Background technology
In recent years, the technology of liquid crystal indicator is gradually ripe.Along with hobby and the requirement increase of consumer, liquid crystal indicator also moves towards slimming gradually.For asking the object reaching slimming, each part of liquid crystal indicator all needs the reduction carrying out thickness, such as display floater, blooming piece and backlight module.Wherein backlight module is because of needs mixed light space, and required thickness is usually comparatively large, has therefore also become the target of mainly carrying out reduced down in thickness.
Figure 1 shows that existing a kind of direct type backlight module.As shown in Figure 1, backlight module 1 comprises lamp box 9, light source 8 and hole sheet 3.Lamp box 9 is roughly divided into lower layer space S1 and upper strata space S 2 by hole sheet 3, and wherein light source 8 is arranged at the lower layer space S1 in lamp box 9; The light that light source 8 produces is incident to upper strata space S 2 through hole sheet 3.Furthermore, the bright dipping of hole sheet 3 enters upper strata space S 2 mixed light.In addition, diffuser plate 2 and this upper strata space S 2 of hole sheet 3 interval and be oppositely arranged, improve the uniformity of bright dipping.
When to when backlight module 1 carries out slimming as shown in Figure 1, need by the height down of lamp box 9, also by the height down of lower layer space S1 and/or upper strata space S 2.But when height H 2 is reduced, the mixed light space that upper strata space S 2 provides diminishes.Due to the drop shadow spread of light source 8 on hole sheet 3 and neighbouring generally speaking hole less or do not lay hole, light emission rate is less, therefore needing provides enough mixed light spaces by upper strata space S 2 and has the brightness identical or approximate with other regions.When in mixed light space reduction, the incomplete situation of mixed light, be easy to the part that backlight module 1 corresponds to light source 8 and cause dim spot, affect optics and sample.
Summary of the invention
The object of the present invention is to provide a kind of backlight module, the thickness of light optical module can be reduced.
Another object of the present invention is to provide a kind of backlight module, solve the problems such as dim spot generation.
Another object of the present invention is to provide a kind of backlight module, provide preferred optics to sample.
Backlight module of the present invention comprises light source module and optics regulation and control film.Light source module comprises at least one light source.Optics regulation and control film to be arranged at above light source module and to have multiple light hole, and wherein optics regulation and control film distributes light that light source produces and wears in the light hole of diverse location and penetrate.Optics regulation and control film comprises at least one block respectively to should at least one light source, have in each block peviform portion for be distributed in those light holes institutes in this block around.Peviform portion is closer light source place plane relative to other positions depression in block, and the drop shadow spread of the light source corresponding to block on block is overlapping at least partly with the distribution in peviform portion.
Accompanying drawing explanation
Fig. 1 is the schematic side view of existing backlight module;
Fig. 2 A is the exploded view of backlight module embodiment of the present invention;
Fig. 2 B is the light source module of Fig. 2 A illustrated embodiment and the top view of optics regulation and control film;
Fig. 3 A ~ Fig. 3 B is the schematic side view of Fig. 2 A illustrated embodiment;
Fig. 4 A ~ Fig. 4 B is the schematic diagram of other embodiments of optics of the present invention regulation and control film;
Fig. 5 A ~ Fig. 5 B is the schematic diagram of other embodiments of optics of the present invention regulation and control film;
Fig. 6 A ~ Fig. 6 B is the schematic diagram of other embodiments of optics of the present invention regulation and control film;
Fig. 7 is the schematic diagram of other embodiments of optics of the present invention regulation and control film.
Symbol description
[the present invention]
10 backlight modules
100 light source modules
150,150a light source
160 casings
161 base plates
162 side walls
200 optics regulation and control films
220 light holes
250 peviform portions
300 diffuser plates
400 reflector plates
B block
B0 aporate area
D1, D1 ', D2 distance
P1 lower layer space
P2 lower layer space
R drop shadow spread
[existing]
1 backlight module
2 diffuser plates
3 hole sheets
4 reflector plates
5 blooming pieces
8 light sources
9 lamp boxes
S1 lower layer space
The upper sheaf space of S2
H2 height
Detailed description of the invention
Backlight module of the present invention, as shown in Figure 2 A embodiment, comprise light source module 100 and regulate and control film 200 with optics.Light source module 100 comprises at least one light source 150; Light source 150 preferably arranges with the form of line-column matrix, as shown in Figure 2 A.Optics regulation and control film 200 to be arranged at above light source module 100 and to have multiple light hole 220.In the present embodiment, light hole 220 is arranged in the manner of perforations; But in different embodiments, light hole 220 also can for the shrinkage pool do not run through.Wherein light hole 220 occupied area on optics regulation and control film 300; The area occupied is called aperture area.In addition, unit are optics regulation and control film 200 on light hole 220 contribute aperture area form optics regulation and control film 200 unit opening amass ratio.Unit aperture area ratio or aperture opening ratio are preferably a standardized rate value, and do not have unit.Moreover, optics regulation and control film 200 has reflecting effect towards the one side of light source 150, the light produced when light source 150 arrives at the part that optics regulation and control film 200 is not provided with light hole 220, can to be reflected after (at least partly reflect) light echo source module 100 in other position bright dippings, therefore can distribute light that light source 150 produces and wear in the light hole 220 of diverse location and penetrate.Can wear for light except having multiple light hole 220, optics regulation and control film 200 itself can have light transmittance; For example, in backlight module one embodiment of the present invention, optics regulation and control film has the light transmittance of 1%, but is not limited thereto.
Optics regulation and control film 200 preferably comprises at least one block B (as regulated and controled in optics the scope that film 200 upper ledge goes out with dotted line in Fig. 2 A and Fig. 2 B) respectively to should at least one light source 150 in light source module 100.There is in each block B multiple light hole 220 and at least one peviform portion 250, wherein peviform portion 250 for be distributed in each block B multiple light holes 220 institute around.In embodiments of the present invention, the diverse location of same optics regulation and control film 200 has different unit aperture area ratios; Furthermore, in each block B of same optics regulation and control film 200, the unit aperture area ratio of different parts is also different.In a preferred embodiment, as shown in Figure 2 B, towards the outside incremental variations of block B centered by the unit aperture area ratio of the light hole 220 in each block B peviform portion 250 preferably in block B; Specifically, then the light hole 220 near peviform portion 250 can be less, comparatively thin or less and thinner, more can be relatively large, closeer or comparatively large close again away from 250, peviform portion light hole 220.Specifically, cave in and closer light source 150 place plane relative to other positions in block B in peviform portion 250; In other words, with regard to optics regulation and control film 200 towards light source 150 side, the projection that visible peviform portion 250 is formed.In addition, peviform portion 250 does not preferably have light hole 220; So there is no light hole 220 in the drop shadow spread of light source 150 on optics regulation and control film 200, or there is relatively low unit opening amass ratio.In addition, the drop shadow spread R of the light source 150 corresponding to each block B on this block B is preferably overlapping at least partly with the distribution in peviform portion 250, as the signal of Fig. 2 B and Fig. 3 A.
Therefore, the peviform portion 250 of optics regulation and control film 200 comparatively other parts closer to light source 150.Moreover optics regulation and control film 200 itself has light transmittance, and because the bottom in peviform portion 250 is in vertical direction closer to light source 150, therefore the light throughput in peviform portion 250 will promote, to reduce the chance producing dim spot above peviform portion 250.
In the embodiment of preferred backlight module 10, comprise diffuser plate 300 further, be arranged at the side of optics regulation and control film 200 in contrast to light source module 100.As shown in Figure 3A, diffuser plate 300 preferably and optics regulate and control film 200 interval and arrange, such as distance D2; And the peviform portion 250 on optics regulation and control film 200 locally can pull open the distance between optics regulation and control film 200 and diffuser plate 300 again, the distance such as making diffuser plate 300 and optics regulate and control film 200 is D2 ', and wherein D2 ' is greater than D2.Generally speaking, peviform portion 250 is greater than the average vertical distance on the same face in block B between other positions and diffuser plate 300 towards the average vertical distance between the one side and diffuser plate 300 of diffuser plate 300, and therefore more mixed light space is enjoyed in peviform portion 250 and neighbouring bright dipping thereof.In addition, light source module of the present invention can comprise further reflector plate 400 opposing optical regulation and control film 200 arrange.
Backlight module of the present invention can comprise support plate, backboard or casing further; Wherein support plate or backboard can be formed with side wall in periphery, enclose the spatial accommodation forming support plate or backboard.Wherein support plate, backboard or casing for carrying light source 150, and can carry or hold optics regulation and control film 200 and diffuser plate 300.In one embodiment, the reflector plate 400 of light source module is also arranged on support plate, backboard or casing/in, to regulate and control film 200 relative with optics.As shown in Fig. 3 A ~ Fig. 3 B, casing 160 carries light source 150 and reflector plate 400, and holds optics regulation and control film 200 and diffuser plate 300, and wherein optics regulation and control film 200 preferably leaves light source 150 1 distance D1.In addition, reflector plate 400 at least partly and light source 150 be roughly positioned at same plane or same level height; In other words, partial mirror 400 has a slice bearing of trend, and this partial mirror 400 place plane is identical with light source 150 place flat surface, or is parallel to each other and close.The bright dipping of light source 150 is passed through mezzanine space that this distance D1 formed and arrive at optics regulation and control film 200; On optics regulation and control film 200, the distribution of those light holes 220 carrys out light and light is worn to penetrate.Distribute to come light by optics regulation and control film 200 and light hole 220 thereof and light is worn and penetrate, weaken because of the far away of distance light source 150 and the phenomenon of the light quantity inequality closely occurred; Moreover the light modulation effect of optics regulation and control film 200 also the factor such as separation degree (distance D1) of in addition optics regulation and control film 200 and peviform portion 250 thereof and light source 150 position can regulate it.
Moreover as the embodiment of backlight module 10, leaving light source 150 has the optics of distance D1 to regulate and control film 200 preferably to enclose with casing 160 and form lower layer space P1, and go up sheaf space P2 with having the diffuser plate 300 of distance D2 to enclose in casing 160 to form apart; Wherein the length of distance D1 and D2 preferably can reflect the height of lower layer space P1 and upper sheaf space P2 respectively.The height of lower layer space P1 and upper sheaf space P2 is changeable.In embodiments of the present invention, when the height of the upper sheaf space P2 of reduction, because the distance between optics regulation and control film 200 and diffuser plate 300 is pulled open in the local, peviform portion 250 on optics regulation and control film 200, therefore peviform portion 250 and neighbouring bright dipping thereof enjoy more mixed light space.Therefore, by the setting in peviform portion 250, reduction still can maintain while sheaf space P2 the bright dipping quality of backlight module 10 of the present invention.In an embodiment of the present invention, the height of the lower layer space P1 of backlight module 10 is roughly 7.5 millimeters, and the height of upper sheaf space P2 is roughly 5 millimeters, and the degree of depth in peviform portion 250 (towards light source 150 place plane) is roughly 2 millimeters.The degree of depth in peviform portion 250 can according to the light source 150 of backlight module 10 and distance D1 design.
On the other hand, casing 160 comprises base plate 161 and side wall 162, and casing 160 part wherein around lower layer space P1 is base plate 161 and bottom side wall 162.Light source 150 can be arranged at base plate 161; Reflector plate 400 can be arranged at lower layer space P1 along the inner face of base plate 161 inner face and bottom side wall 162.Furthermore, in lower layer space P1, setting encloses by reflector plate 400 reflection space formed.Thus, reflect when not regulating and controlling film 200 by the light of light hole 220 bright dipping from optics, light again towards the outgoing of optics regulation and control film 200, thus can improve light utilization efficiency via reflector plate 400 and/or reflection space, and distributes light that light source 150 produces and wear in the light hole 220 of diverse location and penetrate.In addition, in other embodiments, also casing 160 part around lower layer space P1 can be coated with reflective material and form reflection space.In addition, optics regulation and control film 200 also can have a reflecting effect towards the one side of light source 150, and forms reflection space with the casing 160 (being coated with reflective material) around reflector plate 400 or lower layer space P1.
As mentioned above, the drop shadow spread R of the light source 150 corresponding to block B on this block B is overlapping at least partly with the distribution in peviform portion 250; Preferably, the distribution essence in peviform portion 250 is positioned at the once light range of exposures of the light source 150 corresponding to block B.Illustrate for Fig. 3 B light source 150a.For example, the block B that light source 150a can regulate and control film 200 in optics shines upon the area of illumination that a diameter is d; Area of illumination also contains peviform portion 250, wherein when peviform portion 250 for circular and to have diameter be d ' time, diameter d ' be preferably less than or equal to d.Furthermore, block B comprises aporate area B0; That is be not provided with the region of light hole 220.Multiple light hole 220 is preferably to be distributed on block B around the mode of aporate area B0; In addition, the part of block B beyond aporate area B0 is preferably distributed with light hole 220 without exception, only light hole can dredge can close, distance between borehole can far can be near.It is such as region that is circular or regular polygon that aporate area B0 is preferably continuous and that shape is complete region.Peviform portion 250 is positioned at aporate area B0; In addition, the scope in peviform portion 250 is changeable, and preferably account for aporate area B0 area 70% to 80% between.In an embodiment of the present invention, aporate area B0 area is roughly 10 square millimeters, then wherein preferably roughly have the area of 7 ~ 8 square millimeters to be the scope in peviform portion 250.The design in the peviform portion 250 of aporate area B0 and 70% to 80% size reduces the direct bright dipping (being the distribution because of aporate area B0) of the optics regulation and control film 200 at close to sources 150 place on the one hand, moreover adequate compensation is more weak in drop shadow spread R internal cause mixed light insufficient space, comparatively thin amount of light.
As mentioned above, the degree of depth in peviform portion 250 can according to the light source of backlight module and distance D1 design.Moreover, the degree of depth in peviform portion 250, the height of distance D1 or lower layer space P1 and distance D2 (namely going up the height of sheaf space P2) be collaborative planning preferably, wherein when peviform portion 250 is darker, namely peviform portion 250 towards diffuser plate 300 one side with diffuser plate 300 at a distance of far away time, because providing more abundant mixed light space, the height therefore going up sheaf space P2 can be less.On the other hand, peviform portion 250 is greater than peviform portion 250 towards the longest vertical range between the one side and light source 150 of light source 150 towards the longest vertical range between the one side and diffuser plate 300 of diffuser plate 300, improve mixed light space and outgoing light homogeneity thus, and the part avoiding backlight module to correspond to light source may produce dim spot.
Specifically, peviform portion 250 can comprise peviform structure.Embodiment as shown in Figure 4 A, peviform portion 250 is a peviform structure; This peviform structure can have such as curved bottom 252, and is being arc surface towards the one side of light source 150, but is not limited thereto, such as can for the continuous curve surface be made up of different curvature radius cambered surface.In other embodiments, peviform portion 250 can comprise the peviform structure of two or multiple as shown in Figure 4 B.The drop shadow spread R of light source 150 corresponding to each block B on this block B is preferably overlapping at least partly with the distribution in peviform portion 250; The center of drop shadow spread R preferably with the middle body conllinear of those peviform structures.
As shown in Fig. 5 A ~ Fig. 5 B, peviform portion 250 also can be the sunk structure of other kenels.As shown in Figure 5A, peviform portion 250 is rectangle pit; As shown in Figure 5 B, peviform portion 250 is vertebra shape pit.In other embodiments, hole portion 250 can comprise the peviform structure of two or multiple as shown in Fig. 6 A ~ Fig. 6 B.The drop shadow spread R of light source 150 corresponding to each block B on this block B is preferably overlapping at least partly with the distribution in peviform portion 250; The center of drop shadow spread R preferably with the middle body conllinear of those peviform structures.
Peviform portion 250 is formed at the structure of optics regulation and control film 200, and its material preferably regulates and controls film 200 other parts with optics generally there is no two different; That is, peviform portion 250 and other part tool material continuity in block B.On the other hand, peviform portion 250 can in formed optics regulation and control film 200 time and integrally formed; Or peviform portion 250 can processing acquisition on optics regulation and control film in addition.Such as to mould in optics regulation and control film each block B in modes such as impressions and obtain.Wherein, the shape in the planning of block B, the distribution in peviform portion 250, peviform portion 250, the degree of depth in peviform portion 250 according to the light source of backlight module and distance D1 design, but can be not limited thereto.
In an embodiment of the present invention, the density of material of optics regulation and control film 200 in peviform portion 250 can be low compared with the density of material of other parts in block B.In other embodiments, as shown in Figure 7, the thickness of optics regulation and control film 200 in peviform portion 250 can be thin compared with the thickness of other parts in block B.For example, during shaping peviform portion 250, because the optics regulation and control film at this position extends, forms bottom 252, the thickness in peviform portion 250 is thin compared with the thickness of other parts in block B or density is less.In addition, it is slightly high that other non-positions being provided with light hole 220 that the light transmittance in peviform portion 250 also can regulate and control on film 200 compared with optics are come, and the light produced to allow light source 150 passes, and reduces the dim spot situation produced because of mixed light insufficient space.The density of material in above-mentioned peviform portion 250 and/or thickness can design according to the height of the light source of backlight module and distance D1 or lower layer space P1, but are not limited thereto.By lower density of material and/or thickness, peviform portion 250 can promote light again in this throughput.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only enforcement example of the present invention.Must it is noted that the embodiment disclosed limit the scope of the invention.On the contrary, be contained in the spirit of claim and the amendment of scope and equalization to arrange and be all included within the scope of the present invention.
Claims (10)
1. a backlight module, comprises:
Light source module, comprises at least one light source; And
Optics regulation and control film, to be arranged at above this light source module and to have multiple light hole; Wherein, this optics regulation and control film distributes light that this light source produces and wears in this light hole of diverse location and penetrate; This optics regulation and control film comprises at least one block respectively to should at least one light source, have in each this block a peviform portion for be distributed in those light holes institutes in this block around;
Wherein, this peviform portion is this light source place plane closer relative to other positions depression in this block, and the drop shadow spread of this light source corresponding to this block on this block is overlapping at least partly with the distribution in this peviform portion.
2. backlight module as claimed in claim 1, the distribution essence in this peviform portion is positioned at the once light range of exposures of this light source corresponding to this block.
3. backlight module as claimed in claim 1, wherein comprise an aporate area in each this block, those light holes in this block are distributed in outside this aporate area, and this peviform portion is positioned within this aporate area.
4. backlight module as claimed in claim 2, wherein the distribution in this peviform portion account for this aporate area 70% to 80% between.
5. backlight module as claimed in claim 1, comprises a diffuser plate further, is arranged at the side of this optics regulation and control film in contrast to this light source module; Wherein, this peviform portion is greater than average vertical distance on the same face in this block between other positions and this diffuser plate towards the average vertical distance between the one side and this diffuser plate of this diffuser plate.
6. backlight module as claimed in claim 5, wherein this peviform portion is greater than this peviform portion towards the longest vertical range between the one side and this light source of this light source towards the longest vertical range between the one side and this diffuser plate of this diffuser plate.
7. backlight module as claimed in claim 1, wherein this peviform portion and this block other part tool material continuity interior.
8. backlight module as claimed in claim 1, wherein the density of material in this peviform portion comparatively in this block the density of material of other parts low.
9. backlight module as claimed in claim 1, wherein the thickness in this peviform portion comparatively in this block the thickness of other parts thin.
10. backlight module as claimed in claim 1, wherein this light source module comprises reflector plate further, and this at least part of reflector plate place plane is identical with this at least one light source place flat surface, and this at least part of reflector plate this optics regulation and control film setting relatively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103142448A TWI547741B (en) | 2014-12-05 | 2014-12-05 | Thin type backlight module |
| TW103142448 | 2014-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763929A true CN104763929A (en) | 2015-07-08 |
| CN104763929B CN104763929B (en) | 2017-05-10 |
Family
ID=53645935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510153510.7A Active CN104763929B (en) | 2014-12-05 | 2015-04-02 | Thin type backlight module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104763929B (en) |
| TW (1) | TWI547741B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI635340B (en) * | 2017-03-31 | 2018-09-11 | 茂林光電科技股份有限公司 | Back light module capable of distribute uniform light and luminous keyboard |
| CN108761902A (en) * | 2018-03-13 | 2018-11-06 | 友达光电股份有限公司 | Backlight module with reflector plate |
| CN109696775A (en) * | 2018-11-23 | 2019-04-30 | 友达光电股份有限公司 | Backlight module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050121578A (en) * | 2004-06-22 | 2005-12-27 | 삼성전자주식회사 | Backlight unit |
| CN1993638A (en) * | 2004-06-01 | 2007-07-04 | 3M创新有限公司 | Led array systems |
| CN101375095A (en) * | 2006-01-27 | 2009-02-25 | Opto设计股份有限公司 | Planar illumination light source device and planar illumination device using the same |
| CN101743431A (en) * | 2007-06-22 | 2010-06-16 | Opto设计股份有限公司 | Surface illuminating light source device and surface illuminating device |
| CN102734697A (en) * | 2010-12-13 | 2012-10-17 | 日立民用电子株式会社 | Back light unit and video display apparatus using the same |
| CN102878476A (en) * | 2011-07-13 | 2013-01-16 | 李学旻 | Backlight device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8721115B2 (en) * | 2010-05-28 | 2014-05-13 | Luxingtek, Ltd. | Light reflective structure and light panel |
| TW201229631A (en) * | 2011-01-12 | 2012-07-16 | Syue-Min Li | Backlight source device for use in liquid crystal display |
-
2014
- 2014-12-05 TW TW103142448A patent/TWI547741B/en active
-
2015
- 2015-04-02 CN CN201510153510.7A patent/CN104763929B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1993638A (en) * | 2004-06-01 | 2007-07-04 | 3M创新有限公司 | Led array systems |
| KR20050121578A (en) * | 2004-06-22 | 2005-12-27 | 삼성전자주식회사 | Backlight unit |
| CN101375095A (en) * | 2006-01-27 | 2009-02-25 | Opto设计股份有限公司 | Planar illumination light source device and planar illumination device using the same |
| CN101743431A (en) * | 2007-06-22 | 2010-06-16 | Opto设计股份有限公司 | Surface illuminating light source device and surface illuminating device |
| CN102734697A (en) * | 2010-12-13 | 2012-10-17 | 日立民用电子株式会社 | Back light unit and video display apparatus using the same |
| CN102878476A (en) * | 2011-07-13 | 2013-01-16 | 李学旻 | Backlight device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI635340B (en) * | 2017-03-31 | 2018-09-11 | 茂林光電科技股份有限公司 | Back light module capable of distribute uniform light and luminous keyboard |
| CN108761902A (en) * | 2018-03-13 | 2018-11-06 | 友达光电股份有限公司 | Backlight module with reflector plate |
| CN108761902B (en) * | 2018-03-13 | 2022-03-22 | 友达光电股份有限公司 | Backlight module with reflector plate |
| CN109696775A (en) * | 2018-11-23 | 2019-04-30 | 友达光电股份有限公司 | Backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI547741B (en) | 2016-09-01 |
| CN104763929B (en) | 2017-05-10 |
| TW201621425A (en) | 2016-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108572481A (en) | Backlight module and display device | |
| CN103649621B (en) | Illuminator | |
| CN104566217B (en) | Double optical lens with free curved surface for ultra-thin direct-light type LED backlight system | |
| CN103578360B (en) | Display device | |
| CN102612622A (en) | Surface light source unit, surface illumination device, and liquid crystal display device | |
| CN104501034A (en) | Thin type backlight module | |
| CN102159989A (en) | Optically transmissive substrates and light emitting assemblies and methods of making same, and methods of displaying images using optically transmissive substrates and light emitting assemblies | |
| KR20130082084A (en) | Planar light source device and illumination apparatus | |
| CN107270177A (en) | Include artificial light device of the optical transmitting set/collimater to group pattern | |
| CN104718409B (en) | Light-emitting device and illuminator | |
| CN104763929A (en) | Thin type backlight module | |
| CN105674154A (en) | Backlight module and three-dimensional optical regulation and control assembly | |
| CN105629567A (en) | Light source module and light source unit | |
| US9759852B2 (en) | Lightguide design techniques | |
| CN105090891A (en) | Light guide assembly for display illumination | |
| JP2010050096A (en) | Light guide device | |
| JP2010238420A (en) | Backlight unit | |
| CN115016175A (en) | Backlight module and display device thereof | |
| CN105278159B (en) | Light source module | |
| CN103574516B (en) | Light-guide device and the light fixture of beam angle can be controlled | |
| JP4842107B2 (en) | Illumination device and liquid crystal display device including the same | |
| CN205787199U (en) | Light guide plate and containing its lighting | |
| CN203349049U (en) | Light source module and keyboard with same | |
| CN106989289B (en) | Direct type LED panel lamp | |
| CN202771155U (en) | Double-beam exposure system capable of being used for manufacturing photonic crystal mask layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |