CN103176228A - Prism film, backlight module and liquid crystal display device - Google Patents
Prism film, backlight module and liquid crystal display device Download PDFInfo
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- CN103176228A CN103176228A CN2013100736148A CN201310073614A CN103176228A CN 103176228 A CN103176228 A CN 103176228A CN 2013100736148 A CN2013100736148 A CN 2013100736148A CN 201310073614 A CN201310073614 A CN 201310073614A CN 103176228 A CN103176228 A CN 103176228A
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- backlight module
- prism film
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- tooth design
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Abstract
The invention discloses a prism film which comprises a base material and ridge structures arranged on the base material. Sawtooth structures are arranged on two beveled edges of each ridge structure. The invention further provides a backlight module with the prism film and a liquid crystal display device with the backlight module. The prism film, the backlight module and the liquid crystal display device have the advantages that bright and dark regions can be in smooth transition with one another, changes of the bright and dark regions cannot be visually noticed by users, impressions of the users are effectively improved advantageously, the quality of the liquid crystal display device is improved, the cost is saved, and the prism film, the backlight module and the liquid crystal display device have extremely high practical value.
Description
Technical field
The present invention relates to the liquid crystal technology field, particularly a kind of prism film, backlight module and liquid crystal indicator.
Background technology
Along with the extensive application of liquid crystal display, the fineness of liquid crystal panel is more and more higher, and the element of its backlight module also more and more receives much concern.Its element of backlight module mainly comprises light guide plate, is positioned at optics module, the light source module that is positioned at the light guide plate side and the prism film etc. of light guide plate top.Wherein the Main Function of prism film is to allow the light that disperses concentrate emission, to strengthen display brightness.
Shown in Figure 1, existing prism film, have different bright (L(cos45 °-θ V in Fig. 1) corresponding zones with the visual angle size), dark areas (L(cos45 °+θ V in Fig. 1) corresponding zone), be reflected in light and shade stripeds such as having water ripples on liquid crystal panel and occur.In prior art, generally by adding diffusion sheet with scattering or the refraction incident light from light guide plate, thereby weaken the impact of light and shade striped, but cost is higher.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of prism film, is intended to solve and evades the higher technical matters of light and shade striped cost in prior art.
In order to realize goal of the invention, the invention provides a kind of prism film, comprise base material and the rib structure that is arranged on base material, two hypotenuses of described rib structure are provided with broached-tooth design.
Preferably, described broached-tooth design is evenly distributed on described hypotenuse, and the teeth groove angle of this broached-tooth design is the right angle.
Preferably, the density of arranging of described broached-tooth design is increased progressively by the two ends of the middle mind-set hypotenuse of hypotenuse.
The present invention separately provides a kind of backlight module, comprise light guide plate, be positioned at the optics module of light guide plate top and be positioned at the light source module of light guide plate side, wherein, described optics module has prism film, this prism film comprises base material and the rib structure that is arranged on base material, and two hypotenuses of this rib structure are provided with broached-tooth design.
Preferably, described broached-tooth design is evenly distributed on described hypotenuse, and the teeth groove angle of this broached-tooth design is the right angle.
Preferably, the density of arranging of described broached-tooth design is increased progressively by the two ends of the middle mind-set hypotenuse of hypotenuse.
Preferably, described light source module comprises a circuit board, at least one blue-ray LED particle that is packaged with fluorescent powder of welding on described circuit board.
Preferably, described blue-ray LED particle comprises a gallium nitride chip.
The present invention also provides a kind of backlight module, comprise diffuser plate, be positioned at the optics module of diffuser plate top and be positioned at the light source module of diffuser plate below, described optics module has prism film, this prism film comprises base material and the rib structure that is arranged on base material, and two hypotenuses of described rib structure are provided with broached-tooth design.
The present invention further provides a kind of liquid crystal indicator, it comprises a backlight module and a liquid crystal panel, described liquid crystal panel comprises lower Polarizer, film substrate, liquid crystal, optical filter, upper polaroid, described backlight module comprises light guide plate, be positioned at the optics module of light guide plate top and be positioned at the light source module of light guide plate side, wherein, described optics module has prism film, and this prism film comprises base material and the rib structure that is arranged on base material, and two hypotenuses of described rib structure are provided with broached-tooth design; Or
Described backlight module comprises diffuser plate, be positioned at the optics module of diffuser plate top and be positioned at the light source module of diffuser plate below, described optics module has prism film, this prism film comprises base material and the rib structure that is arranged on base material, and two hypotenuses of described rib structure are provided with broached-tooth design.
Two hypotenuses of the rib structure of prism film of the present invention are provided with broached-tooth design, can make the bright fringe in the light and shade striped form the light and shade striped in subrange, thereby reach the purpose that weakens whole light and shade striped.The present invention is by changing the Structure Improvement water ripple phenomenon on prismatic lens, and gently transition light and shade is regional, makes eyes can not discover the light and shade regional change, be conducive to well improve user's impression, improved the quality of liquid crystal indicator, saved cost, very high practical value has been arranged.
Description of drawings
Fig. 1 is the structural representation in prism film and corresponding light and shade zone thereof in prior art;
Fig. 2 is the structural representation of prism film in a preferred embodiment of the present invention;
Fig. 3 is the structural representation in a prismatic lens and corresponding light and shade zone thereof in Fig. 2;
Fig. 4 is the arrangement architecture schematic diagram of prism film in a preferred embodiment of the present invention;
Fig. 5 is the structural representation of liquid crystal indicator in a preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of prism film, and with reference to Fig. 2, in one embodiment of the invention, prism film comprises base material 10 and the rib structure 1 that is arranged on base material 10, and two hypotenuses 11 of rib structure 1 are provided with broached-tooth design 100.Shown in Figure 3, owing to being provided with broached-tooth design 100, can make the bright fringe in the light and shade striped form the light and shade striped in subrange, thereby reach the purpose that weakens whole light and shade striped.
In the embodiment of the present invention, the shape of broached-tooth design 100 and be configured with various ways.Shown in Figure 3, in a preferred embodiment of the present invention, broached-tooth design 100 is evenly distributed on the hypotenuse 11 of rib structure 1, and the teeth groove angle of this broached-tooth design 100 is the right angle.Shown in Figure 4, in another preferred embodiment of the present invention, the density of arranging of broached-tooth design 100 is increased progressively by the two ends of the middle mind-set hypotenuse 11 of hypotenuse 11, makes the center of hypotenuse 11 relatively bright, and two ends are relatively dark, thus with light and shade striped soft transitions.
Two hypotenuses 11 of its rib structure 1 of prism film of the present invention are provided with broached-tooth design 100, can make the bright fringe in the light and shade striped form the light and shade striped in subrange, thereby reach the purpose that weakens whole light and shade striped.The present invention improves water ripple phenomenon by the broached-tooth design 100 that changes on prismatic lens, and gently transition light and shade is regional, makes eyes can not discover the light and shade regional change, be conducive to well improve user's impression, improved the quality of liquid crystal indicator, saved cost, very high practical value has been arranged.
The present invention separately provides a kind of backlight module, and referring to Fig. 5, the backlight module of the present invention's one preferred embodiments comprises light guide plate 20, be positioned at the optics module 30 of light guide plate 20 tops and be positioned at the light source module 10 of light guide plate 20 sides.Wherein, light source module 10 comprises a circuit board 102, is welded with at least one blue-ray LED particle 101 of fluorescent powder that encapsulating on it as illuminating source.The general gallium nitride GaN chip that adopts of this LED particle 101, it can send white light.Light guide plate 20 comprises an incidence surface.
The present invention separately provides a kind of backlight module, and different from above-described embodiment is, this backlight module comprises diffuser plate, be positioned at the optics module of diffuser plate top and be positioned at the light source module of diffuser plate below.The optics module also comprises the optical model sheets such as prism film that diffusion barrier and earlier figures 2 to Fig. 4 and corresponding embodiment thereof are explained.In the embodiment of the present invention, owing to being provided with aforementioned prism film, gently transition light and shade of backlight module of the present invention is regional, make eyes can not discover the light and shade regional change, be conducive to well improve user's impression, improved the quality of liquid crystal indicator, save cost, very high practical value is arranged.
the present invention also provides a kind of liquid crystal indicator, shown in Figure 5, it is except aforementioned backlight module, also comprise and a liquid crystal panel 40, described liquid crystal panel 40 comprises lower Polarizer 401, film substrate 402, liquid crystal 403, optical filter 404 and upper polaroid 405, described backlight module comprises light guide plate 20, be positioned at the optics module 30 and the light source module 10 that is positioned at light guide plate 20 sides of light guide plate 20 tops, wherein, described optics module 30 has prism film, this prism film comprises base material 10, this base material 10 is provided with rib structure 1, two hypotenuses 11 of this rib structure 1 are provided with broached-tooth design 100, or
Described backlight module comprises diffuser plate, be positioned at the optics module of diffuser plate top and be positioned at the light source module of diffuser plate below, and described optics module has prism film, and two hypotenuses of the prismatic lens of this prism film are provided with broached-tooth design.
In above-described embodiment, liquid crystal panel 40 comprises lower polaroid 401, film substrate 402, liquid crystal 403, optical filter 404, upper polaroid 405.Light source module 10 sends white light by the white light LEDs particle 101 on it, enters light guide plate 20, shines 30 diffusions of optics module after mixing, improve its homogeneity, enter into panel 40, by liquid crystal 403 windup-degrees, form required image or the output display of video.
In the embodiment of the present invention, the structure of prism film can be explained referring to earlier figures 2 to Fig. 4 and corresponding embodiment thereof, does not do at this and gives unnecessary details.Owing to being provided with aforementioned prism film, gently transition light and shade of liquid crystal indicator of the present invention is regional, makes eyes can not discover the light and shade regional change, be conducive to well improve user's impression, improved the quality of liquid crystal indicator, saved cost, very high practical value has been arranged.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (10)
1. a prism film, comprise base material and the rib structure that is arranged on base material, it is characterized in that, two hypotenuses of described rib structure are provided with broached-tooth design.
2. prism film as claimed in claim 1, is characterized in that, described broached-tooth design is evenly distributed on described hypotenuse, and the teeth groove angle of this broached-tooth design is the right angle.
3. prism film as claimed in claim 1, is characterized in that, the density of arranging of described broached-tooth design is increased progressively by the two ends of the middle mind-set hypotenuse of hypotenuse.
4. backlight module, comprise light guide plate, be positioned at the optics module of light guide plate top and be positioned at the light source module of light guide plate side, it is characterized in that, described optics module has prism film, this prism film comprises base material and the rib structure that is arranged on base material, and two hypotenuses of this rib structure are provided with broached-tooth design.
5. backlight module as claimed in claim 4, is characterized in that, described broached-tooth design is evenly distributed on described hypotenuse, and the teeth groove angle of this broached-tooth design is the right angle.
6. backlight module as claimed in claim 4, is characterized in that, the density of arranging of described broached-tooth design is increased progressively by the two ends of the middle mind-set hypotenuse of hypotenuse.
7. backlight module as described in any one in claim 4 to 6, is characterized in that, described light source module comprises a circuit board, at least one blue-ray LED particle that is packaged with fluorescent powder of welding on described circuit board.
8. backlight module as claimed in claim 7, is characterized in that, described blue-ray LED particle comprises a gallium nitride chip.
9. backlight module comprises diffuser plate, is positioned at the optics module of diffuser plate top and is positioned at the light source module of diffuser plate below that it is characterized in that, described optics module has prism film as described in any one in claims 1 to 3.
10. liquid crystal indicator, it is characterized in that, comprise a backlight module and a liquid crystal panel, described liquid crystal panel comprises lower Polarizer, film substrate, liquid crystal, optical filter, upper polaroid, and described backlight module is the described backlight module of any one in claim 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100736148A CN103176228A (en) | 2013-03-07 | 2013-03-07 | Prism film, backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100736148A CN103176228A (en) | 2013-03-07 | 2013-03-07 | Prism film, backlight module and liquid crystal display device |
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| CN103176228A true CN103176228A (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100736148A Pending CN103176228A (en) | 2013-03-07 | 2013-03-07 | Prism film, backlight module and liquid crystal display device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600455A (en) * | 1994-08-31 | 1997-02-04 | Enplas Corporation | Prismatic member with coarsened portions or triangular prismatic and semi-circular prismatic members arranged on a flat light emitting surface |
| CN1614471A (en) * | 2003-11-08 | 2005-05-11 | 三星电子株式会社 | Light guide plate and backlight assembly having the same |
| CN101137706A (en) * | 2005-03-11 | 2008-03-05 | 3M创新有限公司 | Polymerizable oligomeric urethane compositions comprising nanoparticles |
| CN102043176A (en) * | 2009-10-20 | 2011-05-04 | 杨政宪 | Optical film |
-
2013
- 2013-03-07 CN CN2013100736148A patent/CN103176228A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600455A (en) * | 1994-08-31 | 1997-02-04 | Enplas Corporation | Prismatic member with coarsened portions or triangular prismatic and semi-circular prismatic members arranged on a flat light emitting surface |
| CN1614471A (en) * | 2003-11-08 | 2005-05-11 | 三星电子株式会社 | Light guide plate and backlight assembly having the same |
| CN101137706A (en) * | 2005-03-11 | 2008-03-05 | 3M创新有限公司 | Polymerizable oligomeric urethane compositions comprising nanoparticles |
| CN102043176A (en) * | 2009-10-20 | 2011-05-04 | 杨政宪 | Optical film |
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Address after: 518000, Shiyan Road, Shiyan City, Guangdong, Baoan District Province on the 1st Road, SKYWORTH science and Technology Industrial Park R & D building, two or three, four floor and the first floor of the integrated building, Shenzhen Applicant after: Skyworth LCD Modules (Shenzhen) Co., Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District Gao Xin Road SKYWORTH building A block 13-16 Applicant before: Skyworth LCD Modules (Shenzhen) Co., Ltd. |
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Application publication date: 20130626 |