CN105116598A - Backlight module, prismatic lens and television set - Google Patents
Backlight module, prismatic lens and television set Download PDFInfo
- Publication number
- CN105116598A CN105116598A CN201510578054.0A CN201510578054A CN105116598A CN 105116598 A CN105116598 A CN 105116598A CN 201510578054 A CN201510578054 A CN 201510578054A CN 105116598 A CN105116598 A CN 105116598A
- Authority
- CN
- China
- Prior art keywords
- triangular prism
- micro
- light source
- array arrangement
- prism micro
- 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 abstract description 19
- 239000000758 substrate Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 17
- 230000001965 increasing effect Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 230000005142 aphototropism Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 235000014698 Brassica juncea var multisecta Nutrition 0.000 description 2
- 241000251184 Rajiformes Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000630 rising effect Effects 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
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—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
- G02F1/133504—Diffusing, scattering, diffracting elements
- G02F1/133507—Films for enhancing the luminance
-
- 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
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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 relates to the technical field of display, in particular to a backlight module, a prismatic lens and a television set. The gain effect of a microprism structure on light projected on a base material is gradually weakened from the position close to a light source to the position away from the light source, so that the brightness of a whole display panel is uniform. The defect that the manufacturing cost is high due to the fact that the uniformity of the brightness of the whole display panel is adjusted by depending on net point design and increasing the number of films in the prior art is overcome. The backlight module comprises the light source and the prismatic lens. The prismatic lens is used for gathering light emitted by the light source. A microprism structure on the prismatic lens comprises a triangular prism micro structure and a V-shaped strip groove, wherein the prism micro structure extends from the position away from the light source to the position close to the light source, and the V-shaped strip groove is formed in the length direction of the triangular prism micro structure. A triangular prism micro structure body arranged in a first array mode and a triangular prism micro structure body arranged in a second array mode are formed and have the same cross section vertex angle.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of backlight module, prismatic lens and televisor.
Background technology
Along with the continuous renewal of display, liquid crystal display is subject to the favor of people owing to having light, thin, little and that power consumption is low feature, display panels itself is not luminous, in order to realize the menu display function of display panels, need to arrange backlight module to provide light source at the rear of display panels.
Existing backlight module generally includes: blooming piece (prismatic lens, upper diffusion barrier, lower diffusion barrier), light guide plate, reflecting plate and light source, the light that light source sends through baffle reflection to light guide plate, lower diffusion barrier is shone from light guide plate upper surface, after through prismatic lens refraction converge after be incident upon upper diffusion sheet, from display panels outgoing after upper diffusion sheet scattering.
Wherein, prismatic lens is also called brightness enhancement film, its effect utilizes the inclined-plane of the prism structure be formed on backing material to make to deflect to frontal outgoing from the emergent light in a certain angular range of lower diffusion barrier, like this, the light that light source sends constantly is recycled under the effect of prism structure, originally the light dispersed to all directions is controlled in the view directions of front after by prismatic lens, thus reaches the effect of axial brightness enhancing.
At present, backlight module is divided into side light inlet and straight-down negative two kinds according to light inlet mode difference, though be side light inlet or down straight aphototropism mode set when for various display panel, because light source is different from the exiting surface distance everywhere of backlight module, all can produce the problem of outgoing luminance brightness inequality.Wherein, side injection type backlight module relies on light guide plate to lead to the light beam that light source sends usually, described light guide plate increases net-pont design to adjust the brightness everywhere of backlight module exiting surface, but can directly cause cost increase and Technology Restriction like this, and down straight aphototropism mode set improves the mist degree of emergent ray usually by the quantity increasing blooming piece, like this, significantly can sacrifice the brightness of liquid crystal display, affect the result of use of user.
Summary of the invention
Fundamental purpose of the present invention is, a kind of backlight module, prismatic lens and televisor are provided, wherein, described micro-prism structure reduces to the gain effect near light source from away from light source gradually to the light projected on described base material, the brightness uniformity of emergent ray can be promoted, thus can regulate the brightness uniformity of display panel, just can regulate accordingly the brightness uniformity between each position of whole display panel when not relying on net-pont design and do not increase diaphragm quantity, cost of manufacture is lower.
For achieving the above object, the present invention adopts following technical scheme:
On the one hand, the embodiment of the present invention provides a kind of backlight module, comprising:
Light source;
Prismatic lens, the light that described prismatic lens sends for assembling light source, the micro-prism structure that described prismatic lens comprises base material and arranges on the substrate, described micro-prism structure comprises the triangular prism micro-structure from extending to close light source away from light source, and along the strip V-type groove that the length direction of described triangular prism micro-structure is offered, described strip V-type groove is glut shape away from the leading edge portion of light source, described triangular prism micro-structure is separated into away from light source place with the triangular prism micro-structure of the first array arrangement and near light source place with the triangular prism micro-structure of the second array arrangement, wherein, described equal with the described xsect drift angle with the triangular prism micro-structure of the second array arrangement with the triangular prism micro-structure of the first array arrangement, the described prism pitch with the triangular prism micro-structure of the first array arrangement is greater than described with the prism pitch of the triangular prism micro-structure of the second array arrangement.
Optionally, described with the xsect drift angle of the triangular prism micro-structure of the first array arrangement for 80-100 degree, described with the xsect drift angle of the triangular prism micro-structure of the second array arrangement for 80-100 degree.
Further, the described xsect drift angle with the triangular prism micro-structure of the first array arrangement is 90 degree, and the described xsect drift angle with the triangular prism micro-structure of the second array arrangement is 90 degree.
Preferably, along described with the Width of the triangular prism micro-structure of the second array arrangement, described with the triangular prism micro-structure of the second array arrangement from described light source more close to, prism pitch is less.
Optionally, described with the triangular prism micro-structure of the second array arrangement near the principal section shape at light source place for isosceles triangle, described with the triangular prism micro-structure of the first array arrangement in the principal section shape away from light source place for isosceles triangle.
Optionally, the base length of described isosceles triangle is 15-60 μm.
Preferably, described with the triangular prism micro-structure of the first array arrangement with curved with the projection in the vertical direction of the crest line of the triangular prism micro-structure of the second array arrangement.
Optionally, described light source is arranged on the below at described prismatic lens sidepiece or middle part.
On the other hand, the embodiment of the present invention provides a kind of prismatic lens, and described prismatic lens is prismatic lens described above.
Again on the one hand, the embodiment of the present invention provides a kind of televisor, and described televisor comprises backlight module described above.
The embodiment of the present invention provides a kind of backlight module, prismatic lens and televisor, wherein, by arranging the triangular prism micro-structure from extending to close light source away from light source on base material, and on described triangular prism micro-structure, offer strip V-type groove along the length direction of described triangular prism micro-structure, and described strip V-type groove is glut shape away from the leading edge portion at light source place, described triangular prism micro-structure be split into from away from light source near light source place arrange successively with the triangular prism micro-structure of the first array arrangement with the triangular prism micro-structure of the second array arrangement, make described with the rib peak heights of the triangular prism micro-structure of the second array arrangement lower than described with the rib peak heights of the triangular prism micro-structure of the first array arrangement, because the described prism pitch with the triangular prism micro-structure of the first array arrangement is greater than described with the prism pitch of the triangular prism micro-structure of the second array arrangement, and it is described equal with the described xsect drift angle with the triangular prism micro-structure of the second array arrangement with the xsect drift angle of the triangular prism micro-structure of the first array arrangement, like this, described larger with the gain of the triangular prism micro-structure of the first array arrangement to emergent ray, emergent ray brightness away from light source place is increased to some extent, described less with the gain of the triangular prism micro-structure of the second array arrangement to emergent ray, make the emergent ray luminance gain near light source place less, the direct effect of such acquisition is: the emergent ray brightness of described micro-prism structure is comparatively even.Just can regulate accordingly the brightness uniformity between each position of whole display panel when not relying on net-pont design and do not increase diaphragm quantity, cost of manufacture is lower.Overcome in prior art and rely on when regulating brightness uniformity net-pont design cost higher, and by increasing the brightness uniformity of diaphragm quantity regulating display panel, make the defect that overall brightness reduces.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of backlight module that Fig. 1 provides for the embodiment of the present invention;
The correlation parameter schematic diagram of a kind of micro-prism structure that Fig. 2 provides for the embodiment of the present invention;
The triangular prism micro-structure of two kinds of structural parameters that Fig. 3 provides for the embodiment of the present invention is to the refraction situation analysis of light;
The structural representation of a kind of prismatic lens that Fig. 4 provides for the embodiment of the present invention;
The structural representation of a kind of side injection type backlight module that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the another kind of side injection type backlight module that Fig. 6 provides for the embodiment of the present invention;
The structural representation of a kind of down straight aphototropism mode set that Fig. 7 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
See Fig. 1, be the structural representation of a kind of backlight module that the embodiment of the present invention provides, comprise:
Light source 1;
Prismatic lens 2, the light that described prismatic lens 2 sends for assembling light source 1, described prismatic lens 2 comprises base material 21 and is arranged on the micro-prism structure 22 on described base material 21, described micro-prism structure comprises the triangular prism micro-structure 3 from extending to close light source away from light source, and along the strip V-type groove 31 that the length direction of described triangular prism micro-structure 3 is offered, described strip V-type groove 31 is glut shape away from the leading edge portion of light source 1, described triangular prism micro-structure 3 is separated into away from light source place with the triangular prism micro-structure 32 of the first array arrangement and near light source place with the triangular prism micro-structure 33 of the second array arrangement, wherein, described equal with the described xsect drift angle with the triangular prism micro-structure 33 of the second array arrangement with the triangular prism micro-structure 32 of the first array arrangement, the described prism pitch with the triangular prism micro-structure 32 of the first array arrangement is greater than described with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement.
Wherein, it should be noted that, see Fig. 2, in embodiments of the present invention, the described triangular prism micro-structure 32 with the first array arrangement mainly comprises following parameter with the described triangular prism micro-structure 33 with the second array arrangement: the angle of each drift angle of xsect, prism pitch D and height.Wherein, with the xsect of the triangular prism micro-structure 32 of the first array arrangement be triangle with the xsect of the triangular prism micro-structure 33 of the second array arrangement, exemplary, the angle [alpha] of drift angle is as shown in Figure 2 described with the angle of the xsect drift angle of the triangular prism micro-structure 32 of the first array arrangement, then β is then described with the angle of the xsect drift angle of the triangular prism micro-structure 33 of the second array arrangement, prism pitch refers to leg-of-mutton base length, exemplary, D1 is as shown in Figure 2 described with the prism pitch of the triangular prism micro-structure 32 of the first array arrangement, D2 is then with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement.
See Fig. 2 and Fig. 3, when the prism pitch of described triangular prism micro-structure is different, and when the xsect drift angle of described triangular prism micro-structure is equal, the height of described triangular prism micro-structure is inevitable different, and according to the refraction principle of triangular prism micro-structure, exemplary, see Fig. 3, the triangular prism micro-structure that two xsect drift angles are equal, the prism pitch of one of them triangular prism micro-structure is less than the prism pitch of another triangular prism micro-structure, the height of the triangular prism micro-structure that corresponding prism pitch is little is relatively little, for convenience, by the triangular prism micro-structure A being called the first structural parameters little for prism pitch in triangular prism micro-structures different for these two structural parameters, by the triangular prism micro-structure B being called the second structural parameters relatively large for prism pitch, like this, when light l is incident with certain angle, be definite value n according to the refractive index of prismatic lens, then θ 2/ θ 1=θ 4/ θ 3=n, described light l can refract in positive apparent direction by the triangular prism micro-structure B of described second structural parameters, and described light l can not be refracted to positive apparent direction by the triangular prism micro-structure A of described first structural parameters, thus cause loss, like this, the triangular prism micro-structure A of the first structural parameters is larger relative to the gain of the triangular prism micro-structure B of described second structural parameters, can learn thus: by arranging Different structural parameters triangular prism micro-structure, namely finely tune according to the structural parameters of distance to triangular prism micro-structure of light source 1 in distance backlight module, make the emergent ray gain away from light source 1 place larger, emergent ray gain near light source place is less, thus make the brightness of whole display panel comparatively even.
The embodiment of the present invention provides a kind of backlight module, wherein, by arranging the triangular prism micro-structure 3 from extending to close light source 1 away from light source 1 on base material 21, and on described triangular prism micro-structure 3, offer strip V-type groove 31 along the length direction of described triangular prism micro-structure, and described strip V-type groove 31 is glut shape away from the leading edge portion at light source place, described triangular prism micro-structure 3 be split into from away from light source 1 near light source 1 place arrange successively with the triangular prism micro-structure 32 of the first array arrangement with the triangular prism micro-structure 33 of the second array arrangement, make described with the rib peak heights of the triangular prism micro-structure 33 of the second array arrangement lower than described with the rib peak heights of the triangular prism micro-structure 32 of the first array arrangement, because the described prism pitch with the triangular prism micro-structure 32 of the first array arrangement is greater than described with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement, and it is described equal with the described xsect drift angle with the triangular prism micro-structure 33 of the second array arrangement with the xsect drift angle of the triangular prism micro-structure 32 of the first array arrangement, therefore, described with the triangular prism micro-structure 32 of the first array arrangement and with the relation object of the relation of the triangular prism micro-structure 33 of the second array arrangement and the micro-prism structure B of the second structural parameters and the micro-prism structure A of the first structural parameters seemingly, like this, the described gain with triangular prism micro-structure 32 pairs of emergent raies of the first array arrangement is larger, emergent ray brightness away from light source 1 place is increased to some extent, the described gain with triangular prism micro-structure 33 pairs of emergent raies of the second array arrangement is less, make the emergent ray luminance gain near light source 1 place less, the direct effect of such acquisition is: the emergent ray brightness of described micro-prism structure 22 is comparatively even.Just can regulate accordingly the brightness uniformity between each position of whole display panel when not relying on net-pont design and do not increase diaphragm quantity, cost of manufacture is lower.Overcome in prior art and rely on when regulating brightness uniformity net-pont design cost higher, and by increasing the brightness uniformity of diaphragm quantity regulating display panel, make the defect that overall brightness reduces.
Wherein, the base material 21 of described prismatic lens 2 can be made up of transparent resin material, as PET (polyethylene terephthalate) or PC (polycarbonate), micro-prism structure 22 can be made up of PMMA (polymethylmethacrylate), certainly, only illustrate herein, do not represent the present invention and be confined to this.
Wherein, do not limit the concrete generation type of described micro-prism structure 22, described can, for be formed by Mould Machining, also can be injection mo(u)lding with the triangular prism micro-structure 32 of the first array arrangement with the triangular prism micro-structure 33 of the second array arrangement.
Wherein, do not limit with the triangular prism micro-structure 32 of the first array arrangement with the xsect drift angle of the triangular prism micro-structure 33 of the second array arrangement described, preferably, described with the xsect drift angle of the triangular prism micro-structure 32 of the first array arrangement for 80-100 degree, described with the xsect drift angle of the triangular prism micro-structure 33 of the second array arrangement for 80-100 degree.Adopt this structure, when not considering the gain effect of described micro-prism structure 22 pairs of zones of different light, when described prismatic lens 2 is when for reflecting the light of certain brightness, the light utilization incided on described prismatic lens 2 can be improved, reduce fiber-loss to the full extent.
Preferred further, the described xsect drift angle with the triangular prism micro-structure 32 of the first array arrangement is 90 degree, and the described xsect drift angle with the triangular prism micro-structure 33 of the second array arrangement is 90 degree.
Wherein, do not limit with the triangular prism micro-structure 32 of the first array arrangement with the concrete setting of the xsect drift angle of the triangular prism micro-structure 33 of the second array arrangement, described xsect drift angle can be acute angle, also can be fillet.Preferably, with the triangular prism micro-structure 32 of the first array arrangement and with the xsect drift angle of the triangular prism micro-structure 33 of the second array arrangement for fillet.Adopt this structure, the light of the left and right sides is dispersed to the both sides of triangular prism micro-structure described in each, thus improve the luminance viewing angle of left and right directions.
Wherein, it should be noted that, when light source is pointolite, near also there are differences along described with the distance of the Width of the triangular prism micro-structure 33 of the second array arrangement from light source 1 with the triangular prism micro-structure 33 of the second array arrangement of light source place.In a preferred embodiment of the present invention, see Fig. 5, along described with the Width of the triangular prism micro-structure 33 of the second array arrangement, described with the triangular prism micro-structure 33 of the second array arrangement from described light source 1 more close to, prism pitch is less.Adopt this structure, can regulate the described structural parameters with the triangular prism micro-structure 33 of the second array arrangement according to distance light source 1 distance further, make the brightness of emergent ray more even.
Concrete, the number of described triangular prism micro-structure 3 is not limited, described triangular prism micro-structure 3 can be one also can be multiple, the concrete structure of the strip V-type groove 31 that described triangular prism micro-structure 3 is offered is not limited, such as, when described triangular prism micro-structure 3 is one, described strip V-type groove 31 can for being opened in the one or more of of the length direction of described triangular prism micro-structure 3, when described strip V-type groove 31 is many, described many strip V-type grooves 31 can be arranged successively, see Fig. 4, three strip V-type grooves 31 that described micro-prism structure 22 comprises triangular prism micro-structure 3 and offers along the length direction of described triangular prism micro-structure 3, described triangular prism micro-structure 3 is separated into the triangular prism micro-structure 32 of the first array arrangement and with the triangular prism micro-structure 33 of the second array arrangement, describedly can be realized by the strip V-type groove 31 offering different number with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement.Not hard to imagine, when described triangular prism micro-structure 3 is multiple, the strip V-shaped groove 31 of different number can be offered respectively on different triangular prism micro-structures 3, such as, can closer to each triangular prism micro-structure 3 of light source 1 being offered three strip V-type grooves 31, relatively away from each triangular prism micro-structure 3 of light source 1 being offered a strip V-type groove 31, like this, can obtain in the embodiment of the present invention from light source 1 more close to, prism pitch less with the triangular prism micro-structure 33 of the second array arrangement.
Wherein, in order to make described triangular prism micro-structure 3, there is certain regularity, and in order to make to make shaping with the triangular prism micro-structure 32 of the first array arrangement with the triangular prism micro-structure 33 of the second array arrangement, there is certain regularity, in manufacturing process, be convenient to processing.Preferably, described with the triangular prism micro-structure 33 of the second array arrangement near the principal section shape at light source 1 place for isosceles triangle, described with the triangular prism micro-structure 32 of the first array arrangement in the principal section shape away from light source 1 place for isosceles triangle.
Wherein, the base length of described isosceles triangle is not limited, when described backlight module is used for different products, can determine according to the size of product, such as, if when described backlight module is used for the product of small-medium size, the base length of described isosceles triangle is usually at 10-40 μm.
In one embodiment of the invention, the base length of described isosceles triangle is 15-60 μm.Adopt this structure, the prismatic lens 2 obtained in large-sized product there is good effect.
Wherein, it should be noted that, due to the described triangular prism micro-structure 32 with the first array arrangement with the height of the triangular prism micro-structure 33 of the second array arrangement not etc., from away from light source 1 with the triangular prism micro-structure 32 of the first array arrangement near light source 1 place with the rib peak step-down gradually of the triangular prism micro-structure 33 of the second array arrangement, therefore, the described triangular prism micro-structure 32 with the first array arrangement with move towards curved in the short transverse of described triangular prism micro-structure 3 with the rib peak of the triangular prism micro-structure 33 of the second array arrangement.
In one embodiment of the invention, the described triangular prism micro-structure 32 with the first array arrangement is with curved with the crest line projection in the vertical direction of the triangular prism micro-structure 33 of the second array arrangement.Adopt this structure, relative to the described triangular prism micro-structure 32 with the first array arrangement with the projection in the vertical direction of the crest line of the triangular prism micro-structure 33 of the second array arrangement linearly, can depart to some extent with the orientation of pixel in liquid crystal panel, be tending towards the parallel moire phenomenon caused with the triangular prism micro-structure 32 of the first array arrangement with the arragement direction of the triangular prism micro-structure 33 of the second array arrangement and the pixel orientation in display panels described in avoiding, thus affect the display quality of display panels.
Wherein, the position of described light source 1 is not limited, in existing backlight module, according to entering light direction difference, mainly comprise side entrance back module and down straight aphototropism mode set two kinds, exemplary, described light source 1 is arranged on the below at described prismatic lens 2 sidepiece or middle part.
Concrete, see Fig. 5, described prismatic lens 2 comprises the first side a and the second side b that are oppositely arranged, when described light source 1 is arranged on the below of described first side a, described micro-prism structure 22 comprises the triangular prism micro-structure 3 extended from described second side b to described first side a and the strip V-type groove 31 offered along the length direction of described triangular prism micro-structure 3, described strip V-type groove 31 is glut shape in the leading edge portion at described second a place, side, described triangular prism micro-structure 3 is separated into the triangular prism micro-structure 33 sentencing the second array arrangement with the triangular prism micro-structure 32 of the first array arrangement and close described first side a near described second b place, side.Adopt this structure, when in the ray cast that light source 1 sends to the base material 21 of described prismatic lens 2, because light source 1 is positioned at the below of described first side a, therefore, the light luminance projected on the base material 21 of described prismatic lens 2 diminishes near light source 1 i.e. the first side a gradually to away from light source 1 i.e. the second side b, and the micro-prism structure 22 of this structure to the light projected on described base material 21 from away from light source 1 to reducing gradually near the gain effect of light source 1, like this, make the larger with the loss when the light stronger to brightness converges of the triangular prism micro-structure 33 of the second array arrangement of close light source 1 place, gain is less, and less with the loss when the light more weak to brightness converges of the triangular prism micro-structure 32 of the first array arrangement away from light source 1 place, gain is larger, thus make the brightness at whole each position of display panel comparatively even.
Wherein, it should be noted that, the concrete size of described light source 1 is not limited, when described light source 1 is line source, and be arranged in the below of described first side a and corresponding with described first side a, when the line source that described light source 1 is pointolite or described light source 1 described first side a for size is less than, and described line source is when being positioned at the side of described first side a, the described prism pitch with the triangular prism micro-structure 33 of the second array arrangement can correspondingly adjust, make the gain effect of described first side a near light source place less, the gain effect away from light source place is larger.
Exemplary, see Fig. 6, described prismatic lens 2 also comprises the 3rd adjacent with the second side b with described first side a respectively side c and the 4th side d, described 3rd side c and the 4th side d is oppositely arranged, when described light source 1 is arranged near described 3rd side c, be less than near described 4th side d with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement near described 3rd side c.
Concrete, see Fig. 7, when described light source 1 is arranged on the below in the middle part of prismatic lens 2, described micro-prism structure 22 comprises the triangular prism micro-structure 3 extended from middle part described in described prismatic lens two side direction and the strip V-type groove 31 offered along the length direction of described triangular prism micro-structure 3, described strip V-type groove 31 is glut shape in the leading edge portion at described first side a and the second b place, side, described triangular prism micro-structure 3 is separated into the triangular prism micro-structure 32 sentencing the first array arrangement near described first side a and the second side b, with close described center with the triangular prism micro-structure 33 of the second array arrangement.Adopt this structure, when in the ray cast that light source 1 sends to the base material 21 of described prismatic lens 2, because light source 1 is positioned at the below at described middle part, therefore, the light luminance projected on the base material 21 of described prismatic lens 2 diminishes near light source 1 i.e. center gradually to away from light source 1 first side a and the second side b, and the micro-prism structure 22 of this structure to the light projected on described base material 21 from away from light source 1 to reducing gradually near the gain effect of light source 1, like this, make the larger with the loss when the light stronger to brightness converges of the triangular prism micro-structure 33 of the second array arrangement of close light source 1 place, gain is less, and less with the loss when the light more weak to brightness converges of the triangular prism micro-structure 32 of the first array arrangement away from light source 1 place, gain is larger, thus make the brightness at whole each position of display panel comparatively even.
Wherein, similar with side injection type backlight module, when the line source that described light source 1 is pointolite or described light source 1 described middle part for size is less than, and described line source is positioned at described middle part when the 3rd side c or the 4th side d, the described prism pitch with the triangular prism micro-structure 33 of the second array arrangement can correspondingly adjust, make the gain effect at described middle part less, the gain effect away from light source 1 place is larger.
Exemplary, when described light source 1 is arranged near described 3rd side c, be less than near described 4th side d with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement with the prism pitch of the triangular prism micro-structure 33 of the second array arrangement near described 3rd side c.
Wherein, it should be noted that, along with the rising day by day of curved face product, due to the design feature that curved face product is special, when side injection type backlight module and down straight aphototropism mode set are used for curved face product, the problem of brightness disproportionation is more obvious, exemplary, when described down straight aphototropism mode set is applied to curved face product, two can be arranged as the prismatic lens 2 in Fig. 6, and arrange with orthogonal form, like this, be the larger with the loss when the light stronger to brightness converges of the triangular prism micro-structure 33 of the second array arrangement of middle part near light source 1 place, gain is less, and away from light source 1 place i.e. the first side a, second side b, 3rd side c's and the 4th side d is less with the loss when the light more weak to brightness converges of the triangular prism micro-structure 32 of the first array arrangement, gain is larger, the lateral luminance of curved face product and front face brightness can be made to be tending towards even, overcome the obfuscation of prior art mean camber product side, develop limited defect.
Same, when side injection type backlight module is applied to curved face product, also can by rationally arranging as the prismatic lens 2 in Fig. 4, make the fiber-loss near light source 1 place larger, fiber-loss away from light source 1 place is less, thus make the lateral luminance of curved face product and front face brightness be tending towards even, specifically can come rationally to arrange according to the brightness of described curved face product to each position.
Other formations about the backlight module of the embodiment of the present invention wait known by those skilled in the art, no longer describe in detail at this.
On the other hand, the embodiment of the present invention provides a kind of prismatic lens, and described prismatic lens is prismatic lens described above.
The embodiment of the present invention provides a kind of prismatic lens, wherein, by arranging the triangular prism micro-structure from extending to close light source away from light source on base material, and on described triangular prism micro-structure, offer strip V-type groove along the length direction of described triangular prism micro-structure, and described strip V-type groove is glut shape away from the leading edge portion at light source place, described triangular prism micro-structure be split into from away from light source near light source place arrange successively with the triangular prism micro-structure of the first array arrangement with the triangular prism micro-structure of the second array arrangement, make described with the rib peak heights of the triangular prism micro-structure of the second array arrangement lower than described with the rib peak heights of the triangular prism micro-structure of the first array arrangement, because the described prism pitch with the triangular prism micro-structure of the first array arrangement is greater than described with the prism pitch of the triangular prism micro-structure of the second array arrangement, and it is described equal with the described xsect drift angle with the triangular prism micro-structure of the second array arrangement with the xsect drift angle of the triangular prism micro-structure of the first array arrangement, therefore, described with the triangular prism micro-structure of the first array arrangement and with the relation object of the relation of the triangular prism micro-structure of the second array arrangement and the micro-prism structure of the second structural parameters and the micro-prism structure of the first structural parameters seemingly, like this, described larger with the gain of the triangular prism micro-structure of the first array arrangement to emergent ray, emergent ray brightness away from light source place is increased to some extent, described less with the gain of the triangular prism micro-structure of the second array arrangement to emergent ray, make the emergent ray luminance gain near light source place less, the direct effect of such acquisition is: the emergent ray brightness of described micro-prism structure is comparatively even.Just can regulate accordingly the brightness uniformity between each position of whole display panel when not relying on net-pont design and do not increase diaphragm quantity, cost of manufacture is lower.Overcome in prior art and rely on when regulating brightness uniformity net-pont design cost higher, and by increasing the brightness uniformity of diaphragm quantity regulating display panel, make the defect that overall brightness reduces.
Again on the one hand, the embodiment of the present invention provides a kind of televisor, and described televisor comprises backlight module as described above.
The embodiment of the present invention provides a kind of televisor, wherein, when backlight module described above is used for televisor, by arranging the triangular prism micro-structure from extending to close light source away from light source on the base material of prismatic lens, and on described triangular prism micro-structure, offer strip V-type groove along the length direction of described triangular prism micro-structure, and described strip V-type groove is glut shape away from the leading edge portion at light source place, described triangular prism micro-structure be split into from away from light source near light source place arrange successively with the triangular prism micro-structure of the first array arrangement with the triangular prism micro-structure of the second array arrangement, make described with the rib peak heights of the triangular prism micro-structure of the second array arrangement lower than described with the rib peak heights of the triangular prism micro-structure of the first array arrangement, because the described prism pitch with the triangular prism micro-structure of the first array arrangement is greater than described with the prism pitch of the triangular prism micro-structure of the second array arrangement, and it is described equal with the described xsect drift angle with the triangular prism micro-structure of the second array arrangement with the xsect drift angle of the triangular prism micro-structure of the first array arrangement, like this, described larger with the gain of the triangular prism micro-structure of the first array arrangement to emergent ray, emergent ray brightness away from light source place is increased to some extent, described less with the gain of the triangular prism micro-structure of the second array arrangement to emergent ray, make the emergent ray luminance gain near light source place less, the direct effect of such acquisition is: the emergent ray brightness after described micro-prism structure refraction is comparatively even, just can regulate accordingly the brightness uniformity between each position of whole display panel when not relying on net-pont design and do not increase diaphragm quantity, cost of manufacture is lower.Overcome in prior art and rely on when regulating brightness uniformity net-pont design cost higher, and by increasing the brightness uniformity of diaphragm quantity regulating display panel, make the defect that overall brightness reduces.
Wherein, described televisor can be LCD TV, LED television, plasm TV etc.
Other formations about the televisor of the embodiment of the present invention wait known by those skilled in the art, no longer describe in detail at this.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a backlight module, is characterized in that, comprising:
Light source;
Prismatic lens, the light that described prismatic lens sends for assembling light source, the micro-prism structure that described prismatic lens comprises base material and arranges on the substrate, described micro-prism structure comprises the triangular prism micro-structure from extending to close light source away from light source, and along the strip V-type groove that the length direction of described triangular prism micro-structure is offered, described strip V-type groove is glut shape away from the leading edge portion of light source, described triangular prism micro-structure is separated into away from light source place with the triangular prism micro-structure of the first array arrangement and near light source place with the triangular prism micro-structure of the second array arrangement, wherein, described equal with the described xsect drift angle with the triangular prism micro-structure of the second array arrangement with the triangular prism micro-structure of the first array arrangement, the described prism pitch with the triangular prism micro-structure of the first array arrangement is greater than described with the prism pitch of the triangular prism micro-structure of the second array arrangement.
2. backlight module according to claim 1, is characterized in that, described with the xsect drift angle of the triangular prism micro-structure of the first array arrangement for 80-100 degree, described with the xsect drift angle of the triangular prism micro-structure of the second array arrangement for 80-100 degree.
3. backlight module according to claim 2, is characterized in that, the described xsect drift angle with the triangular prism micro-structure of the first array arrangement is 90 degree, and the described xsect drift angle with the triangular prism micro-structure of the second array arrangement is 90 degree.
4. backlight module according to claim 1, is characterized in that, along described with the Width of the triangular prism micro-structure of the second array arrangement, described with the triangular prism micro-structure of the second array arrangement from described light source more close to, prism pitch is less.
5. backlight module according to claim 1, it is characterized in that, described with the triangular prism micro-structure of the second array arrangement near the principal section shape at light source place for isosceles triangle, described with the triangular prism micro-structure of the first array arrangement in the principal section shape away from light source place for isosceles triangle.
6. backlight module according to claim 5, is characterized in that, the base length of described isosceles triangle is 15-60 μm.
7. backlight module according to claim 2, is characterized in that, described with the triangular prism micro-structure of the first array arrangement with curved with the projection in the vertical direction of the crest line of the triangular prism micro-structure of the second array arrangement.
8. the backlight module according to any one of claim 1-7, is characterized in that, described light source is arranged on the below at described prismatic lens sidepiece or middle part.
9. a prismatic lens, is characterized in that, described prismatic lens is the prismatic lens as described in any one of claim 1-8.
10. a televisor, is characterized in that, described televisor comprises the backlight module as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578054.0A CN105116598B (en) | 2015-09-11 | 2015-09-11 | A kind of backlight module, prismatic lens and television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510578054.0A CN105116598B (en) | 2015-09-11 | 2015-09-11 | A kind of backlight module, prismatic lens and television set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105116598A true CN105116598A (en) | 2015-12-02 |
| CN105116598B CN105116598B (en) | 2018-09-28 |
Family
ID=54664624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510578054.0A Active CN105116598B (en) | 2015-09-11 | 2015-09-11 | A kind of backlight module, prismatic lens and television set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105116598B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013827A (en) * | 2016-12-29 | 2017-08-04 | 中山市光大光学仪器有限公司 | Anti-dazzle lighting apparatus |
| CN110133910A (en) * | 2019-04-25 | 2019-08-16 | 昆山龙腾光电有限公司 | Concentration module, backlight module and display device |
| CN113641037A (en) * | 2020-05-11 | 2021-11-12 | 船井电机株式会社 | Surface light source device, display device, and optical sheet manufacturing method |
| CN116125704A (en) * | 2022-12-29 | 2023-05-16 | 惠州华星光电显示有限公司 | Prism sheet and display module |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060104089A1 (en) * | 2004-11-18 | 2006-05-18 | Tsinghua University | Light guide plate and a backlight module using the same |
| CN1779518A (en) * | 2004-11-18 | 2006-05-31 | 清华大学 | Light-conducting board and backlight mould set |
| CN2869926Y (en) * | 2005-09-29 | 2007-02-14 | 迎辉科技股份有限公司 | Light-gathering piece with light-guide structure |
| CN101120269A (en) * | 2005-02-17 | 2008-02-06 | 3M创新有限公司 | Brightness enhancement film comprising polymerized organic phase having low glass transition temperature |
| CN101216639A (en) * | 2008-01-18 | 2008-07-09 | 长兴光学材料（苏州）有限公司 | Integration-type optical film |
| CN101373229A (en) * | 2007-08-20 | 2009-02-25 | 鸿富锦精密工业（深圳）有限公司 | LCD device and prismatic lens thereof |
| TW200909881A (en) * | 2007-08-31 | 2009-03-01 | Gigastorage Corp | Optical Film |
| CN101413641A (en) * | 2008-12-03 | 2009-04-22 | 友达光电股份有限公司 | Light guide plate and backlight module |
| CN101452086A (en) * | 2007-12-05 | 2009-06-10 | 群康科技(深圳)有限公司 | Prismatic lens, back light module unit and LCD device |
| CN101641619A (en) * | 2007-03-14 | 2010-02-03 | 第一毛织株式会社 | Light guide panel for liquid crystal display having light diffusion material and back light unit using thereof |
| CN101661123A (en) * | 2009-09-27 | 2010-03-03 | 长兴化学工业股份有限公司 | Optical element |
| CN101673012A (en) * | 2008-09-09 | 2010-03-17 | 扬昕精密股份有限公司 | Optical film and backlight module using same |
| CN102410495A (en) * | 2011-12-07 | 2012-04-11 | 丹阳博昱科技有限公司 | Optical sheet with different orientations of micro structure regions and manufacture method of optical sheet |
| CN103424801A (en) * | 2013-08-20 | 2013-12-04 | 瑞仪光电股份有限公司 | Light guide plate with multi-direction structure |
| US20140185304A1 (en) * | 2012-12-28 | 2014-07-03 | Chi Mei Corporation | Optical plate with microstructures |
| CN104515029A (en) * | 2013-09-26 | 2015-04-15 | 展晶科技(深圳)有限公司 | Lateral type backlight module |
-
2015
- 2015-09-11 CN CN201510578054.0A patent/CN105116598B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1779518A (en) * | 2004-11-18 | 2006-05-31 | 清华大学 | Light-conducting board and backlight mould set |
| US20060104089A1 (en) * | 2004-11-18 | 2006-05-18 | Tsinghua University | Light guide plate and a backlight module using the same |
| CN101120269A (en) * | 2005-02-17 | 2008-02-06 | 3M创新有限公司 | Brightness enhancement film comprising polymerized organic phase having low glass transition temperature |
| CN2869926Y (en) * | 2005-09-29 | 2007-02-14 | 迎辉科技股份有限公司 | Light-gathering piece with light-guide structure |
| CN101641619A (en) * | 2007-03-14 | 2010-02-03 | 第一毛织株式会社 | Light guide panel for liquid crystal display having light diffusion material and back light unit using thereof |
| CN101373229A (en) * | 2007-08-20 | 2009-02-25 | 鸿富锦精密工业（深圳）有限公司 | LCD device and prismatic lens thereof |
| TW200909881A (en) * | 2007-08-31 | 2009-03-01 | Gigastorage Corp | Optical Film |
| CN101452086A (en) * | 2007-12-05 | 2009-06-10 | 群康科技(深圳)有限公司 | Prismatic lens, back light module unit and LCD device |
| CN101216639A (en) * | 2008-01-18 | 2008-07-09 | 长兴光学材料（苏州）有限公司 | Integration-type optical film |
| CN101673012A (en) * | 2008-09-09 | 2010-03-17 | 扬昕精密股份有限公司 | Optical film and backlight module using same |
| CN101413641A (en) * | 2008-12-03 | 2009-04-22 | 友达光电股份有限公司 | Light guide plate and backlight module |
| CN101661123A (en) * | 2009-09-27 | 2010-03-03 | 长兴化学工业股份有限公司 | Optical element |
| CN102410495A (en) * | 2011-12-07 | 2012-04-11 | 丹阳博昱科技有限公司 | Optical sheet with different orientations of micro structure regions and manufacture method of optical sheet |
| US20140185304A1 (en) * | 2012-12-28 | 2014-07-03 | Chi Mei Corporation | Optical plate with microstructures |
| CN103913794A (en) * | 2012-12-28 | 2014-07-09 | 奇美实业股份有限公司 | Optical Plate With Microstructures |
| CN103424801A (en) * | 2013-08-20 | 2013-12-04 | 瑞仪光电股份有限公司 | Light guide plate with multi-direction structure |
| CN104515029A (en) * | 2013-09-26 | 2015-04-15 | 展晶科技(深圳)有限公司 | Lateral type backlight module |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013827A (en) * | 2016-12-29 | 2017-08-04 | 中山市光大光学仪器有限公司 | Anti-dazzle lighting apparatus |
| CN110133910A (en) * | 2019-04-25 | 2019-08-16 | 昆山龙腾光电有限公司 | Concentration module, backlight module and display device |
| CN113641037A (en) * | 2020-05-11 | 2021-11-12 | 船井电机株式会社 | Surface light source device, display device, and optical sheet manufacturing method |
| CN113641037B (en) * | 2020-05-11 | 2024-03-12 | 船井电机株式会社 | Surface light source device, display device, and method for manufacturing optical sheet |
| CN116125704A (en) * | 2022-12-29 | 2023-05-16 | 惠州华星光电显示有限公司 | Prism sheet and display module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105116598B (en) | 2018-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103277739B (en) | A kind of optical lens | |
| KR100942490B1 (en) | Light guide panel for LCD back light unit and LCD back light unit thereby | |
| KR101178722B1 (en) | Light guide panel and lcd back light unit using the same | |
| WO2020192300A1 (en) | Optical collimating assembly, backlight module, and display device | |
| KR20140123667A (en) | Display apparatus | |
| CN101393282A (en) | Back light module unit and prismatic lens thereof | |
| US9310546B2 (en) | Backlight unit and display device having the same | |
| TW201350941A (en) | Light guide plate and backlight module using the same | |
| CN101140337A (en) | Light conducting plate, surface light source device and image display device | |
| CN105116598A (en) | Backlight module, prismatic lens and television set | |
| KR20090077542A (en) | Back light assembly | |
| CN101393280A (en) | Back light module unit and prismatic lens thereof | |
| CN104317153A (en) | A screen for a projector and a projection system | |
| CN101393281B (en) | Back light module unit and prismatic lens thereof | |
| CN103782204A (en) | Optical sheet | |
| US20210088711A1 (en) | Wedge lightguide | |
| CN103822139A (en) | Backlight source module and display device | |
| US8425067B2 (en) | Composite diffuser structure and backlight module | |
| CN101620342A (en) | Backlight module and optical plate thereof | |
| CN101393288A (en) | Back light module unit and prismatic lens thereof | |
| CN101644856A (en) | Direct backlight module | |
| JP5293177B2 (en) | Optical sheet, surface light source device and display device | |
| CN204740364U (en) | Optical element and lighting device | |
| JP5157022B2 (en) | Light guide device and backlight module | |
| CN104819440B (en) | Light guide plate and preparation method thereof, backlight module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |