CN201177708Y - Liquid crystal construction - Google Patents
Liquid crystal construction Download PDFInfo
- Publication number
- CN201177708Y CN201177708Y CNU200720305279XU CN200720305279U CN201177708Y CN 201177708 Y CN201177708 Y CN 201177708Y CN U200720305279X U CNU200720305279X U CN U200720305279XU CN 200720305279 U CN200720305279 U CN 200720305279U CN 201177708 Y CN201177708 Y CN 201177708Y
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- liquid crystal
- crystal structure
- conversion layer
- light
- backlight module
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Abstract
The utility model relates to a liquid crystal structure, which is characterized in that an optical conversion layer is arranged on a light source (e.g. a cold cathode tube or a light emitting diode), or a light guide plate or a color filter; the optical conversion layer is organic or inorganic fluorescent powder and can change x and y values on a color coordinate or the color saturation (e.g. the color saturation under NTSC standard) according to the R, G, B requirement; and a backlight module of the liquid crystal structure only needs one diffusion film due to the application of the optical conversion layer, thereby reducing the cost and increasing the visual angle.
Description
Technical field:
The utility model is a kind of liquid crystal structure, and it refers to a kind of liquid crystal structure that has the backlight module and the Liquid Crystal Module of light conversion layer or a light conversion layer is set in this Liquid Crystal Module especially.
Background technology:
At present, in the application of liquid crystal structure mobile phone, laptop computer, desktop screen or TV or the like, because so its characteristic with thinness replaces known CRT, and the light source of present backlight module comprises cold-cathode tube and light emitting diode (structure of blue LED excitated fluorescent powder), making the color saturation of its liquid crystal structure but be lower than CRT, is most important problem so improve the color saturation of liquid crystal structure.
Moreover because the product of the liquid crystal structure of cold-cathode tube, present price is more and more low, must reduce the subject under discussion that manufactures a finished product, and has come across the factory or the brand merchant of liquid crystal structure, in the hope of the sales volume of increasing and general utilization rate.
So at present liquid crystal structure becomes the great subject under discussion of each manufacturer gradually at color saturation and the problem that reduces cost, the utility model provides new structure to solve present problem.
The utility model content:
Fundamental purpose of the present utility model is for providing a kind of liquid crystal structure, it provides a backlight module, arranged outside one light conversion layer in the lamp source of this backlight module, and can make this backlight module only need a light diffusion layer, with wherein one or whole x, the y values that reduces cost and increase color saturation, contrast, visible angle and change the chromaticity coordinates of R, G, B.
Secondary objective of the present utility model is for providing a kind of liquid crystal structure, it provides a backlight module, incidence surface or exiting surface setting or the light conversion layer that mixes in the light guide plate of this backlight module, and can make this backlight module only need a light diffusion layer, with wherein one or whole x, the y values that reduces cost and increase color saturation, contrast, visible angle and change the chromaticity coordinates of R, G, B.
Another purpose of the present utility model is for providing a kind of liquid crystal structure, it provides a Liquid Crystal Module, a light conversion layer that is provided with or mixes above or below the colored filter of this Liquid Crystal Module, and can make this backlight module only need a light diffusion layer, with wherein one or whole x, the y values that increases color saturation, contrast, visible angle and change the chromaticity coordinates of R, G, B.
For realizing the purpose of this utility model, the utility model adopts following technical scheme: (for example: cold-cathode tube or light emitting diode) or light guide plate or colored filter are provided with a light conversion layer in the lamp source, this light conversion layer is the fluorescent powder of organic or inorganic, can add this light conversion layer according to R, G, the x of the required change chromaticity coordinates of B, y value.
Compared to prior art, the utlity model has following advantage: use a light conversion layer to increase x, y value or the colour temperature of color saturation or R, G, the required raising chromaticity coordinates of B, and the backlight module that can make this liquid crystal structure only needs the diffusion barrier of one deck, to reduce cost, to increase visible angle.
Description of drawings:
Fig. 1 is the structural representation of a preferred embodiment of the present utility model.
Fig. 2 is the structural representation of another preferred embodiment of the present utility model.
Fig. 3 a, 3b, 3c are the structural representation of another preferred embodiment of the present utility model.
Fig. 4 a, 4b, 4c, 4d are the structural representation of another preferred embodiment of the present utility model.
Fig. 5 a, 5b, 5c are the structural representation of another preferred embodiment of the present utility model.
The figure number explanation:
10 liquid crystal structures, 20 backlight modules
22 light sources, 222 light conversion layers
24 light guide plate, 242 reflection horizon
26 optical diffusion films, 30 Liquid Crystal Modules
40 liquid crystal structures, 50 backlight modules
52 light sources, 522 light conversion layers
54 optical diffusion films, 60 Liquid Crystal Modules
70 liquid crystal structures, 80 backlight modules
82 light sources, 84 light guide plate
842 reflection horizon, 844 light conversion layers
86 optical diffusion films, 90 Liquid Crystal Modules
100 liquid crystal structures, 110 backlight modules
112 backlights, 114 optical diffusion films
116 light conversion layers, 120 Liquid Crystal Modules
122 colored worry mating plate 124 light conversion layers
126 light conversion layers, 128 light conversion layers
130 light conversion layers
Embodiment:
Be the shortcoming of the color saturation deficiency that solves the known techniques liquid crystal structure, so the utility model provides the problem of a preferable structure with the solution color saturation.
At first, see also Fig. 1, it is the structural representation of a preferred embodiment of the present utility model; As shown in the figure, it is to comprise a backlight module 20 and a Liquid Crystal Module 30 that the utility model provides a kind of liquid crystal structure 10, present embodiment is the liquid crystal structure of side-light type, this backlight module 20 is the belows that are arranged at this Liquid Crystal Module 30, this backlight module 20 is to comprise at least one light source 22, for example: cold-cathode tube and light emitting diode, skin in this light source 22 is that a light conversion layer 222 is set, side in this light source 22 is provided with a light guide plate 24, and an optical diffusion film 26 is set in the top of this light guide plate 24, wherein this light guide plate 24 is that a reflection horizon 242 is set, and this reflection horizon 242 can be formed in one with this light guide plate 24, can see through ejection formation, the processing procedure mode of die casting or printing.And the top of the light guide plate 24 of this backlight module 20 only is provided with the optical diffusion film 26 of one deck, and prismatic lens or brightness enhancement film are not set.
Wherein this light conversion layer 222 is an organic or inorganic fluorescent powder, and this light conversion layer 222 is one of them or above-mentioned combination in any persons that are selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.Because when this light source 22 is cold-cathode tube, this light source 22 is invisible light and the visible light that comprises the short wavelength in the emergent light that sees through fluorescent tube, invisible light is because photon energy is strong, so can destroy the thin layer of macromolecular material, for example: light guide plate, BEF, optical diffusion film, these light conversion layer 222 meeting these invisible lights of absorption or visible light are converting R to after the energy absorption, G, wherein one or both or whole person of the color of B, so, can change the R of this liquid crystal structure 30, G, the x of the chromaticity coordinates of B, the y value, also can improve color saturation, contrast, for example: the color saturation that meets the NTSC standard, contrast.Because present embodiment is not provided with prismatic lens or brightness enhancement film, so can increase visible angle.
See also Fig. 2, it is the structural representation of another preferred embodiment of the present utility model; As shown in the figure, it is to comprise a backlight module 50 and a Liquid Crystal Module 60 that the utility model provides a kind of liquid crystal structure 40, present embodiment is the liquid crystal structure of straight-down negative, this backlight module 50 is the belows that are arranged at this Liquid Crystal Module 60, this backlight module 50 is to comprise at least one light source 52, for example: cold-cathode tube and light emitting diode, skin in this light source 52 is that a light conversion layer 522 is set, one optical diffusion film 54 is set in the top of this light source 52, the light conversion layer 522 of present embodiment is an organic or inorganic fluorescent powder, and this light conversion layer 522 is to be selected from red fluorescence powder, one of them of blue colour fluorescent powder and green emitting phosphor or above-mentioned combination in any person.And the top of the light source 52 of this backlight module 50 only is provided with the optical diffusion film 54 of one deck, and prismatic lens or brightness enhancement film are not set, so can increase visible angle.
See also Fig. 3 a, 3b and 3c, it is the structural representation of another preferred embodiment of the present utility model; As shown in the figure, it is to comprise a backlight module 80 and a Liquid Crystal Module 90 that the utility model provides a kind of liquid crystal structure 70, present embodiment is the liquid crystal structure of side-light type, this backlight module 80 is the belows that are arranged at this Liquid Crystal Module 90, this backlight module 80 is to comprise at least one light source 82, for example: cold-cathode tube and light emitting diode, side in this light source 82 is provided with a light guide plate 84, and an optical diffusion film 86 is set in the top of this light guide plate 84, wherein this light guide plate 84 is that a reflection horizon 842 is set, and this reflection horizon 842 can be formed in one with this light guide plate 84, can see through ejection formation, the processing procedure mode of die casting or printing, in the incidence surface of this light guide plate 84 (a) or exiting surface (as Fig. 3 b) (as Fig. 3 c) light conversion layer 844 that is provided with or mixes as Fig. 3, the light conversion layer 844 of present embodiment is an organic or inorganic fluorescent powder, and light conversion layer 844 is to be selected from red fluorescence powder, one of them of blue colour fluorescent powder and green emitting phosphor or above-mentioned combination in any person.And the top of the light guide plate 84 of this backlight module 80 only is provided with the optical diffusion film 86 of one deck, and prismatic lens or brightness enhancement film are not set, so can increase visible angle.
See also Fig. 4 a, 4b, 4c and 4d, it is the structural representation of another preferred embodiment of the present utility model; As shown in the figure, it is to comprise a backlight module 110 and a Liquid Crystal Module 120 that the utility model provides a kind of liquid crystal structure 100, present embodiment is the liquid crystal structure of side-light type or straight-down negative, the top of the colored filter 122 of this Liquid Crystal Module 120 (as Fig. 4 a) or below (as Fig. 4 b) (as Fig. 4 c) light conversion layer 124 that is provided with or mixes, the light conversion layer 124 of present embodiment is an organic or inorganic fluorescent powder, and light conversion layer 124 is one of them or above-mentioned combination in any persons that are selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.Because this backlight module 110 only is provided with a backlight 112 and an optical diffusion film 114, the backlight 112 of present embodiment is side-light type back light or direct-light-type backlight, and this optical diffusion film 114 is arranged at the top of this backlight 112, prismatic lens or brightness enhancement film are not set, so can increase visible angle.
See also Fig. 5 a, 5b and 5c, it is the structural representation of another preferred embodiment of the present utility model; As shown in the figure, it is to comprise a backlight module 110 and a Liquid Crystal Module 120 that the utility model provides a kind of liquid crystal structure 100, present embodiment is the liquid crystal structure of side-light type or straight-down negative, the top of one optical diffusion film 114 of this backlight module 110 (as Fig. 4 a) or below (as Fig. 4 b) (as Fig. 4 c) light conversion layer 116 that is provided with or mixes, the light conversion layer 116 of present embodiment is an organic or inorganic fluorescent powder, and light conversion layer 116 is one of them or above-mentioned combination in any persons that are selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.Because this backlight module 110 only is provided with a backlight 112 and optical diffusion film 114, the backlight 112 of present embodiment is side-light type back light or direct-light-type backlight, and this optical diffusion film 114 is arranged at the top of this backlight 112, prismatic lens or brightness enhancement film are not set, so can increase visible angle.
Claims (18)
1, a kind of liquid crystal structure is to comprise a backlight module and a Liquid Crystal Module, it is characterized in that this backlight module is to comprise:
At least one light source is coated with a light conversion layer in the skin of this light source;
One light guide plate is a side that is arranged at this light source; And
One diffusion barrier is to be arranged on this light guide plate;
Wherein, the top of this diffusion barrier is that this Liquid Crystal Module is set, and this backlight module need not be provided with bright enhancement film, and only needs this diffusion barrier of one deck.
2, liquid crystal structure according to claim 1 is characterized in that, this light conversion layer is the phosphor powder layer of an organic or inorganic.
3, liquid crystal structure according to claim 1 is characterized in that, this light conversion layer is one of them or the above-mentioned combination in any person who is selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.
4, liquid crystal structure according to claim 1 is characterized in that, the below of this light guide plate is that a refractor is set, and is formed in one with this light guide plate.
5, a kind of liquid crystal structure is to comprise a backlight module and a Liquid Crystal Module, it is characterized in that this backlight module is to comprise:
At least one light source;
One light guide plate is a side that is arranged at this light source, and this light guide plate is in incidence surface or exiting surface setting or the light conversion layer that mixes; And
One diffusion barrier is to be arranged on this light guide plate;
Wherein, the top of this diffusion barrier is that this Liquid Crystal Module is set, and this backlight module need not be provided with bright enhancement film, and only needs this diffusion barrier of one deck.
6, liquid crystal structure according to claim 5 is characterized in that, this light source is cold-cathode tube or light emitting diode.
7, liquid crystal structure according to claim 5 is characterized in that, this light conversion layer is the phosphor powder layer of an organic or inorganic.
8, liquid crystal structure according to claim 5 is characterized in that, this light conversion layer is one of them or the above-mentioned combination in any person who is selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.
9, liquid crystal structure according to claim 5 is characterized in that, the below of this light guide plate is that a refractor is set, and is formed in one with this light guide plate.
10, a kind of liquid crystal structure is to comprise a backlight module and a Liquid Crystal Module, it is characterized in that:
This backlight module is to comprise:
At least one light source is coated with a light conversion layer in the skin of this light source;
One diffusion barrier is to be arranged on this light source;
Wherein, the top of this diffusion barrier is that this Liquid Crystal Module is set, and this backlight module need not be provided with bright enhancement film, and only needs this diffusion barrier of one deck.
11, liquid crystal structure according to claim 10 is characterized in that, this light conversion layer is the phosphor powder layer of an organic or inorganic.
12, liquid crystal structure according to claim 10 is characterized in that, this light conversion layer is one of them or the above-mentioned combination in any person who is selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.
13, a kind of liquid crystal structure is to comprise a backlight module and a Liquid Crystal Module, it is characterized in that this backlight module is to comprise:
At least one light source;
One diffusion barrier is to be arranged on this light source, and is provided with or the light conversion layer that mixes above or below this diffusion barrier;
Wherein, the top of this diffusion barrier is that this Liquid Crystal Module is set, and this backlight module need not be provided with bright enhancement film, and only needs this diffusion barrier of one deck.
14, liquid crystal structure according to claim 13 is characterized in that, this light conversion layer is the phosphor powder layer of an organic or inorganic.
15, liquid crystal structure according to claim 13 is characterized in that, this light conversion layer is one of them or the above-mentioned combination in any person who is selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.
16, a kind of liquid crystal structure, be to comprise a backlight module and a Liquid Crystal Module, it is characterized in that this Liquid Crystal Module is to comprise a colored filter, be provided with or the light conversion layer that mixes above or below this colored filter, this Liquid Crystal Module is the top of being located at this Liquid Crystal Module.
17, liquid crystal structure according to claim 16 is characterized in that, this light conversion layer is one of them or the above-mentioned combination in any person who is selected from red fluorescence powder, blue colour fluorescent powder and green emitting phosphor.
18, liquid crystal structure according to claim 16, it is characterized in that, this light conversion layer be the color lump of R, G, B according to this colored filter mix respectively red fluorescence powder, green emitting phosphor and blue colour fluorescent powder one of them person or mix two kinds or mix three kinds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720305279XU CN201177708Y (en) | 2007-11-27 | 2007-11-27 | Liquid crystal construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720305279XU CN201177708Y (en) | 2007-11-27 | 2007-11-27 | Liquid crystal construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201177708Y true CN201177708Y (en) | 2009-01-07 |
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ID=40217730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720305279XU Expired - Fee Related CN201177708Y (en) | 2007-11-27 | 2007-11-27 | Liquid crystal construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN201177708Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207280A (en) * | 2011-07-12 | 2011-10-05 | 上海向隆电子科技有限公司 | Light source module |
| CN102374492A (en) * | 2010-08-12 | 2012-03-14 | 海洋王照明科技股份有限公司 | Light guide plate and preparation method thereof, light-emitting diode (LED) plane light source and display |
| CN103115282A (en) * | 2011-11-16 | 2013-05-22 | 苏州通亮照明科技有限公司 | Backlight module and diffusion component applied to backlight module |
| CN104977640A (en) * | 2015-08-07 | 2015-10-14 | 京东方科技集团股份有限公司 | Brightness enhancement film, backlight module and display device |
| CN108803134A (en) * | 2011-04-30 | 2018-11-13 | 威斯通控股法国公司 | Display device and method for manufacturing the same |
| CN109031758A (en) * | 2018-08-14 | 2018-12-18 | 深圳扑浪创新科技有限公司 | Display device |
| US11022840B2 (en) | 2017-03-03 | 2021-06-01 | Apple Inc. | Displays with direct-lit backlight units |
-
2007
- 2007-11-27 CN CNU200720305279XU patent/CN201177708Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374492A (en) * | 2010-08-12 | 2012-03-14 | 海洋王照明科技股份有限公司 | Light guide plate and preparation method thereof, light-emitting diode (LED) plane light source and display |
| CN108803134A (en) * | 2011-04-30 | 2018-11-13 | 威斯通控股法国公司 | Display device and method for manufacturing the same |
| CN102207280A (en) * | 2011-07-12 | 2011-10-05 | 上海向隆电子科技有限公司 | Light source module |
| CN103115282A (en) * | 2011-11-16 | 2013-05-22 | 苏州通亮照明科技有限公司 | Backlight module and diffusion component applied to backlight module |
| CN104977640A (en) * | 2015-08-07 | 2015-10-14 | 京东方科技集团股份有限公司 | Brightness enhancement film, backlight module and display device |
| CN104977640B (en) * | 2015-08-07 | 2019-06-04 | 京东方科技集团股份有限公司 | Brightness enhancement film, backlight module and display device |
| US11022840B2 (en) | 2017-03-03 | 2021-06-01 | Apple Inc. | Displays with direct-lit backlight units |
| CN109031758A (en) * | 2018-08-14 | 2018-12-18 | 深圳扑浪创新科技有限公司 | Display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20101127 |