CN101782698A - Ambient light-assisted liquid crystal display and illuminating device - Google Patents
Ambient light-assisted liquid crystal display and illuminating device Download PDFInfo
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- CN101782698A CN101782698A CN200910000880A CN200910000880A CN101782698A CN 101782698 A CN101782698 A CN 101782698A CN 200910000880 A CN200910000880 A CN 200910000880A CN 200910000880 A CN200910000880 A CN 200910000880A CN 101782698 A CN101782698 A CN 101782698A
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- light
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- collecting plate
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133618—Illuminating devices for ambient light
Abstract
The invention discloses an ambient light-assisted liquid crystal display and an illuminating device. A light collecting plate is used for collecting natural light, such as solar light in a natural environment; the collected natural light is transmitted to a backlight module of the liquid crystal display or a light input unit of the illuminating device by optical fibers, multi-layer refraction or reflecting layers; the natural solar light is used as a main light source or an assistant light source of the liquid crystal display or the illuminating device for largely reducing energy consumption and further adopting a solar cell module; and therefore, the display has excellent display performance without any power supply.
Description
Technical field
The present invention relates to a kind of LCD and lighting device, especially utilize light collecting plate to collect surround lighting to provide secondary light source to LCD and lighting device.
Background technology
Because the demand of LCD increases day by day, and some are derived and the demand of coming is also arisen at the historic moment, electronic bill-board as the public display purposes, wherein a class is the display application that focuses on high-brightness environment, put a high brightness indicator with the Commdity advertisement in the displaying shop as the show window limit, or place outdoor as guide to visitors or advertisement usage with the display of high brightness.
With reference to figure 1, be the synoptic diagram of the directly-down liquid crystal display of prior art.As shown in Figure 1, directly-down liquid crystal display 10 comprises backlight module 12 and display unit 14, and mat backlight module 12 provides original output light source LB to display unit 14, makes display unit 14 launch image output LM, to demonstrate required image.
With reference to figure 2, be the synoptic diagram of the side-light type LCD of prior art.As shown in Figure 2, side-light type LCD 20 comprises display unit 24, light guide module 26 and backlight module (not shown), backlight module is positioned at the side of light guide module 26, and the original output light source LB that side direction is provided is to light guide module 26, light guide module 26 mat light guide plate reflectings surface 27 are reflected into original output light source LB the leaded light light source LG that turns to an angle of 90 degrees, penetrated display unit 24 backs and formed image output LM, and made display unit 24 demonstrate required image.
No matter be directly-down liquid crystal display 10 or side-light type LCD 20, the beholder is when watching image output LM, can be subjected to the reflection of natural light LN on display influences, and wherein natural light LN is an environment light source, such as the sunshine of open air or indoor light.
Settling mode of the prior art is, display backlight is promoted several times to increase the brightness of image output LM, improve the contrast under high-brightness environment, allow human eye can discern image output LM, use antagonism natural light LN, but this way need consume a large amount of electric energy to drive backlight module.
With present outdoor type liquid crystal or high brightness indicator, present framework all is to take with straight-down negative; There is the independent power supply device that power supply is provided in the display, and adopts the high pattern of exporting of many fluorescent tubes to increase backlight intensity.Another settling mode of the prior art is, adopts the liquid crystal design of so-called semi-penetration, semi-reflective, though the performance in the sun of this kind design can, but it is more to make the needed light shield number of liquid crystal layer, cost is still high, is unfavorable for large-sized application.And, this way consumes the more energy and effect is still not good, even highly energy-consuming backlight will cause more used heat and cause display life to descend, the multipotency source drives cooling mechanism in order to address this problem then more, fan at present commonly used and air-conditioning cold air reduce the display backlight temperature, thereby consumes energy further.
Summary of the invention
Fundamental purpose of the present invention is providing a kind of surround lighting auxiliary LCD, utilize light collecting plate to collect natural light, collected natural light is sent to the backlight liquid crystal display module, use the sunshine that utilizes nature main light source or secondary light source, and significantly reduce energy resource consumption as LCD.
Another object of the present invention is providing a kind of lighting device of environment light source, utilizes light collecting plate to collect natural light in the environment, and collected natural light is sent to light fixture, and using provides light source and in order to illumination.
In order to achieve the above object, the invention provides the auxiliary LCD of a kind of surround lighting, utilize a natural light in the environment so that a secondary light source to be provided, the auxiliary LCD of this surround lighting comprises:
One liquid crystal panel, have a backlight module and a display unit, a plurality of liquid crystal pixels of this display unit tool, this backlight module has an original output light source, and form a display light source in conjunction with this secondary light source and give this display unit, make this display unit demonstrate an image;
One light collecting plate, have an extinction face, a collecting board body and an exiting surface, this extinction face is towards this natural light, absorb this natural light to produce an absorbing light, this absorbing light is directed to an exiting surface direct of travel towards this exiting surface through this collecting board body, and produces an exiting surface light source on this exiting surface; And
One guiding device, have a leaded light input end, a light guide body and a leaded light output terminal, this exiting surface light source enters this leaded light input end, and penetrates this light guide body, penetrated and formed this secondary light source by this leaded light output terminal, this secondary light source projects the backlight module to this liquid crystal panel.
The LCD that described surround lighting is auxiliary further comprises a casing, and this casing surrounds this liquid crystal panel, this guiding device and this light collecting plate, and this casing tool one opening, and the extinction face of this light collecting plate is positioned at this opening and faces outside this casing.
Further comprise a casing, this casing surrounds this liquid crystal panel, and this casing tool one perforation, and this guiding device penetrates this perforation.
This light collecting plate and this natural light are positioned at the same side of this liquid crystal panel, and the collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer is a light-permeable material, and is attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, and this fourth face is positioned at the 3rd opposite side, and the 5th perpendicular to this fourth face and be this exiting surface; And
One side reflecting plate, tool one high reflecting surface is attached at this optical waveguide layer, and is positioned at an opposition side of the 5th and perpendicular to this fourth face.
The light-permeable material of this optical waveguide layer comprises one of them of glass and plastics.
This light collecting plate is positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, and the collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer is a light-permeable material, and is attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, and this fourth face is positioned at the 3rd opposite side, and the 5th perpendicular to this fourth face and be this exiting surface;
One first reflecting plate, tool one coarse reflecting surface, and be attached at the fourth face of this optical waveguide layer; And
One second reflecting plate, tool one high reflecting surface, and be attached at this optical waveguide layer and be configured to perpendicular to this first reflecting plate.
This coarse reflecting surface comprises one of them of a high reflectance polygonal water chestnut mirror layer and screen painting diffusion point reflection layer.
This high reflecting surface is a high-reflectivity metal layer.
This light collecting plate is a light-permeable material, and be positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, the collecting board body of this light collecting plate comprises a plurality of semicircle pipes, these semicircle pipes are arranged in parallel, the a plurality of circular arcs that are arranged in parallel of the extinction mask of this light collecting plate, this light collecting plate are guided this natural light and are concentrated towards the center of circle of semicircle pipe, and form this exiting surface light source at the exiting surface of this light collecting plate.
This light-permeable material comprises one of them of glass and plastics.
This light collecting plate is positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, and the collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer, it is a light-permeable material, and be attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, this fourth face is positioned at the 3rd opposite side, the 5th perpendicular to this fourth face and be this exiting surface, and this optical waveguide layer comprises a plurality of total reflection media, these total reflection medium tool one high reflecting surfaces;
One first reflecting plate, tool one high reflecting surface, and be attached at the fourth face of this optical waveguide layer; And
One second reflecting plate, tool one high reflecting surface, and be attached at this optical waveguide layer and be configured to perpendicular to this first reflecting plate.
The high reflecting surface of this first reflecting plate and second reflecting plate is a high-reflectivity metal layer.
This light guide body is a fibre bundle.
Further comprise a solar cell and a battery guiding device, receive the part luminous energy of this light collecting plate and light is directed on this solar cell by this battery guiding device, with this solar cell that charges, and this solar cell provides electric power to this backlight module, display unit.
The present invention further provides the auxiliary lighting device of a kind of surround lighting, utilized a natural light that encircles in the mirror so that an illumination output light source to be provided, the auxiliary lighting device of this surround lighting comprises:
One light collecting plate, have an extinction face, a collecting board body and an exiting surface, this extinction face is towards this natural light, absorb this natural light to produce an absorbing light, this absorbing light is directed to an exiting surface direct of travel towards this exiting surface through this collecting board body, and produces an exiting surface light source on this exiting surface;
One guiding device has a leaded light input end, a light guide body and a leaded light output terminal, and this exiting surface light source enters this leaded light input end, and penetrates this light guide body, forms a leaded light output light source by this leaded light output terminal ejaculation; And
One light fixture has an input optical interface unit and an output light unit, and this input optical interface unit receives this leaded light output light source, and is sent to this output light unit, forms this illumination output light source.
The collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer is a light-permeable material, and is attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, and this fourth face is positioned at the 3rd opposite side, and the 5th perpendicular to this fourth face and be this exiting surface;
One first reflecting plate, tool one coarse reflecting surface, and be attached at the fourth face of this optical waveguide layer; And
One second reflecting plate, tool one high reflecting surface, and be attached at this optical waveguide layer and be configured to perpendicular to this first reflecting plate.
This coarse reflecting surface comprises one of them of a high reflectance polygonal water chestnut mirror layer and screen painting diffusion point reflection layer.
This high reflecting surface is a high-reflectivity metal layer.
This light collecting plate is a light-permeable material, and be positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, the collecting board body of this light collecting plate comprises a plurality of semicircle pipes, these semicircle pipes are arranged in parallel, the a plurality of circular arcs that are arranged in parallel of the extinction mask of this light collecting plate, this light collecting plate are guided this natural light and are concentrated towards the center of circle of semicircle pipe, and form this exiting surface light source at the exiting surface of this light collecting plate.
The light-permeable material of this optical waveguide layer comprises one of them of glass and plastics.
This light guide body is a fibre bundle.
The LCD of environment light source of the present invention and lighting device, utilize light collecting plate to collect natural light, collected natural light is sent to the backlight liquid crystal display module, use the sunshine that utilizes nature main light source or secondary light source, and significantly reduce energy resource consumption as LCD.Perhaps, utilize light collecting plate to collect natural light in the environment, collected natural light is sent to light fixture, using provides light source and in order to illumination.
Description of drawings
Fig. 1 is the synoptic diagram of the directly-down liquid crystal display of demonstration prior art.
Fig. 2 is the synoptic diagram of the side-light type LCD of demonstration prior art.
Fig. 3 is for showing the synoptic diagram of the LCD that the first embodiment of the invention surround lighting is auxiliary.
Fig. 4 is for showing the synoptic diagram of the LCD that the second embodiment of the invention surround lighting is auxiliary.
Fig. 5 is for showing the synoptic diagram of the LCD that the third embodiment of the invention surround lighting is auxiliary.
Fig. 6 is for showing the synoptic diagram of first light collecting plate of the present invention.
Fig. 7 is for showing the synoptic diagram of second light collecting plate of the present invention.
Fig. 8 is for showing the synoptic diagram of the 3rd light collecting plate of the present invention.
Fig. 9 is for showing the synoptic diagram of the 4th light collecting plate of the present invention.
Figure 10 is for showing the synoptic diagram of the 5th light collecting plate of the present invention.
Figure 11 is for showing the synoptic diagram of the lighting device that surround lighting of the present invention is auxiliary.
Embodiment
Below cooperation is graphic does more detailed description to embodiments of the present invention, and those of ordinary skill in the art can be implemented after studying this instructions carefully according to this.
With reference to figure 3, be the synoptic diagram of the auxiliary LCD of first embodiment of the invention surround lighting.As shown in Figure 3, LCD 30 of the present invention comprises casing 31, backlight module 32, display unit 34, light collecting plate 40 and guiding device 50, wherein light collecting plate 40 and guiding device 50 be positioned at casing 31 outside, therefore, light collecting plate 40 can receive natural light LN in suitable place away from casing 31.Light collecting plate 40 produces bright dipping area source L2 after receiving natural light LN, guiding device 50 at one end receives exiting surface light source L2 and guides exiting surface light source L2 and forms secondary light source L3 to the other end, backlight module 32 receives secondary light source L3, and form display light source LX in conjunction with the original output light source (not shown) of backlight module 32, project display unit 34, make display unit 34 launch image output LM and demonstrate required image.
Guiding device 50 can be fibre bundle, and because the characteristic of the low optical attenuation of optical fiber makes light collecting plate 40 and backlight module 32 can separate one section suitable distance, and need not abut against together that therefore, light collecting plate 40 can flexiblely be placed on the best and be subjected to the light place.Guiding device 50 also can any utilization refraction or the reflection mode transmit collected surround lighting and enter in the display.
With reference to figure 4, the synoptic diagram of the LCD that the second embodiment of the invention surround lighting is auxiliary.As shown in Figure 4, LCD 60 of the present invention comprises casing 61, backlight module 62, display unit 64, light collecting plate 40 and guiding device 50, wherein backlight module 62, display unit 64 and guiding device 50 are positioned at casing 61, and light collecting plate 40 is to be placed on the opening of casing 61, such as the back of the body cover on the (not shown) or the body (not shown) of display on, make the extinction face of light collecting plate 40 outside casing 61, in order to receive natural light LN, the principle of operation of this LCD 60 is as above-mentioned LCD 30.
With reference to figure 5, the synoptic diagram of the LCD that the third embodiment of the invention surround lighting is auxiliary.As shown in Figure 5, LCD 70 of the present invention comprises casing 71, backlight module 72, display unit 74, light collecting plate 40 and guiding device 50, wherein backlight module 72, display unit 74 and guiding device 50 are positioned within the casing 71, light collecting plate 40 is to be placed on the opening of casing 71, make the extinction face of light collecting plate 40 outside casing 71, in order to receive natural light LN, and display unit 74 is positioned at the opposite side of the extinction face of light collecting plate 40, therefore, the direct of travel of image output LM and the reflected light of natural light LN on display are same direction, that is LCD 70 is used the influence of the reflected light of antagonism natural light LN to image output LM with the secondary light source that natural light LN converts reinforcement image output LM to.
With reference to figure 6, be the synoptic diagram of first light collecting plate.As shown in Figure 6, the first light collecting plate 40A comprises first coating layer 41, second coating layer 42, optical waveguide layer 43, first reflecting plate 44 and second reflecting plate 45, wherein first coating layer 41, second coating layer 42, optical waveguide layer 43 and first reflecting plate 44 repeatedly are integral in regular turn, and second reflecting plate 45 attaches to optical waveguide layer 43, and perpendicular to first reflecting plate 44.The foreign object surface of first coating layer 41 is the extinction face, in order to the absorption natural light, and is low-refraction light-permeable material.Second coating layer 42 is a high index of refraction light-permeable material, optical waveguide layer 43 is the light-permeable material, and has coarse reflecting surface 46 with first reflecting plate, 44 joints, and with another side that second reflecting plate 45 attaches be exiting surface, therefore the natural light of injecting by the extinction face, penetrate first coating layer 41 and second coating layer 42 and entered optical waveguide layer 43, utilize the coarse reflecting surface 46 of optical waveguide layer 43 that incident light is scattering into the tool reflected light LR of direct of travel at random, and second coating layer 42 can reflect the light of direct of travel at random in a large number, make the shape of overall light advance direction trend exiting surface, use the purpose that reaches the absorption natural light and change the light direct of travel.Coarse reflecting surface 46 can be the polygonal water chestnut mirror of the high reflectance layer with a plurality of polygonal water chestnut mirror structures, and for convenience of description, represents with the triangle minute surface in graphic.By finding out in graphic, the polygonal water chestnut mirror of high reflectance layer can increase order of reflection, and to obtain the reflected light LR of direct of travel at random, second coating layer 42 then allows light tend to exiting surface, and then obtains exiting surface light source L2.In addition, improve in the total reflection probability of optical waveguide layer, can increase the high index of refraction coating layer in order to make light.
The light-permeable material of optical waveguide layer 43 comprises one of them of glass and plastics.
With reference to figure 7, be the synoptic diagram of second light collecting plate of the present invention.As shown in Figure 7, the coarse reflecting surface 47 of the second light collecting plate 40B is the screen painting diffusion point reflection layer of a plurality of screen painting diffusion points of tool, wherein screen painting diffusion point is to realize with the screen painting processing procedure, have the effect that makes incident light generation scattering, therefore can reach the function of the polygonal water chestnut mirror of above-mentioned high reflectance layer.
With reference to figure 8, be the synoptic diagram of the 3rd light collecting plate of the present invention.As shown in Figure 8, the 3rd light collecting plate 40C has a plurality of semicircle pipes that are arranged in parallel, and wherein the arc surface of semicircle pipe is towards natural light LN, and this arc surface has the optically focused effect, the gathered light LF that generation is concentrated towards the center of circle of semicircle pipe, and form bright dipping area source L2 at the exiting surface of the 3rd light collecting plate 40C.Be noted that, the 3rd light collecting plate 40C also can be made of the optically focused thing of any light-permeable, wherein this optically focused thing has a caustic surface, and this caustic surface can be plane (processing such as mould, screen painting or interpolation microstructure can be plated in the surface), curved surface or cambered surface, and this caustic surface is towards natural light LN.
With reference to figure 9, be the synoptic diagram of the 4th light collecting plate of the present invention.As shown in Figure 9, the 4th light collecting plate 40D comprises first coating layer 41, second coating layer 42, optical waveguide layer 43 and side reflecting plate 48, wherein first coating layer 41, second coating layer 42 and optical waveguide layer 43 repeatedly are integral in regular turn, and side reflecting plate 48 attaches to optical waveguide layer 43, and is positioned at the opposite side of exiting surface.Because the 4th light collecting plate 40D does not have the reflection horizon on the opposite side of extinction face, therefore, the intensity of exiting surface light source L2 can weaken much than Fig. 6 and Fig. 7, but still can from natural light, acquisition unit divide luminous energy to form secondary light source, in order to strengthen the output light source of backlight module, the image output device that makes display is high brightness more, so the 4th light collecting plate 40D is fit to the LCD of third embodiment of the invention as shown in Figure 5.
In addition, can utilize light collecting plate of the present invention and guiding device that the part natural light is introduced on the solar cell, make solar cell produce electric power, using directly provides electric power to charge to display or to rechargeable battery, with storage electric power, and reach energy-conservation effect.
With reference to Figure 10, be the synoptic diagram of the 5th light collecting plate of the present invention.As shown in figure 10, the 5th light collecting plate 40E is similar to the second light collecting plate 40B of Fig. 7, except the 5th light collecting plate 40E does not comprise coarse reflecting surface 47 but optical waveguide layer 43 comprises that a plurality of total reflection media 49, other structure is all identical.Total reflection medium 49 has high reflecting surface, makes the light of incident produce total reflection, uses the direct of travel that changes light, and cooperates first reflecting plate 44 and second reflecting plate 45 to produce the exiting surface light source L2 of tool high light-emitting efficiency.
With reference to Figure 11, be the synoptic diagram of the auxiliary lighting device of surround lighting of the present invention.As shown in figure 11, lighting device 80 comprises light collecting plate 40, guiding device 50 and light fixture 81, and wherein light fixture 81 comprises light inlet unit 82 and light-emitting units 84.The effect of light collecting plate 40 and guiding device 50 is as above-mentioned explanation, and the light inlet unit 82 of light fixture 81 receives the secondary light source L3 of guiding device 50, while is in conjunction with original light source of light inlet unit 82, such as light emitting diode (LED) lamp or incandescent lamp, form radiant L4 and give bright dipping unit 84, and the lighting source L5 that light-emitting units 84 produces in order to illumination.Light-emitting units 84 can have the light shield of secondary optics, uses and improves photocurrent versus light intensity.Therefore, the auxiliary lighting device of surround lighting of the present invention can reach energy-conservation effect with natural light to reduce the power consumption of electrical lamps.
Therefore, auxiliary LCD and the lighting device of surround lighting of the present invention can produce secondary light source with natural light, and reduces the power consumption of LCD and lighting device, can collect natural light in the place of the best by the mat light collecting plate simultaneously, make and use elasticity more, and reach purpose of energy saving.
The above only is in order to explain preferred embodiment of the present invention; be not that attempt is done any pro forma restriction to the present invention according to this; therefore, all have in that identical invention spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (21)
1. the auxiliary LCD of a surround lighting utilizes a natural light in the environment so that a secondary light source to be provided, and it is characterized in that the auxiliary LCD of this surround lighting comprises:
One liquid crystal panel, have a backlight module and a display unit, a plurality of liquid crystal pixels of this display unit tool, this backlight module has an original output light source, and form a display light source in conjunction with this secondary light source and give this display unit, make this display unit demonstrate an image;
One light collecting plate, have an extinction face, a collecting board body and an exiting surface, this extinction face is towards this natural light, absorb this natural light to produce an absorbing light, this absorbing light is directed to an exiting surface direct of travel towards this exiting surface through this collecting board body, and produces an exiting surface light source on this exiting surface; And
One guiding device, have a leaded light input end, a light guide body and a leaded light output terminal, this exiting surface light source enters this leaded light input end, and penetrates this light guide body, penetrated and formed this secondary light source by this leaded light output terminal, this secondary light source projects the backlight module to this liquid crystal panel.
2. the LCD that surround lighting as claimed in claim 1 is auxiliary, it is characterized in that, further comprise a casing, this casing surrounds this liquid crystal panel, this guiding device and this light collecting plate, and this casing tool one opening, the extinction face of this light collecting plate is positioned at this opening and faces outside this casing.
3. the LCD that surround lighting as claimed in claim 1 is auxiliary is characterized in that further comprise a casing, this casing surrounds this liquid crystal panel, and this casing tool one perforation, and this guiding device penetrates this perforation.
4. the LCD that surround lighting as claimed in claim 1 is auxiliary is characterized in that this light collecting plate and this natural light are positioned at the same side of this liquid crystal panel, and the collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer is a light-permeable material, and is attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, and this fourth face is positioned at the 3rd opposite side, and the 5th perpendicular to this fourth face and be this exiting surface; And
One side reflecting plate, tool one high reflecting surface is attached at this optical waveguide layer, and is positioned at an opposition side of the 5th and perpendicular to this fourth face.
5. the LCD that surround lighting as claimed in claim 4 is auxiliary is characterized in that the light-permeable material of this optical waveguide layer comprises one of them of glass and plastics.
6. the LCD that surround lighting as claimed in claim 1 is auxiliary, it is characterized in that, this light collecting plate is positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, and the collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer is a light-permeable material, and is attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, and this fourth face is positioned at the 3rd opposite side, and the 5th perpendicular to this fourth face and be this exiting surface;
One first reflecting plate, tool one coarse reflecting surface, and be attached at the fourth face of this optical waveguide layer; And
One second reflecting plate, tool one high reflecting surface, and be attached at this optical waveguide layer and be configured to perpendicular to this first reflecting plate.
7. the LCD that surround lighting as claimed in claim 6 is auxiliary is characterized in that, this coarse reflecting surface comprises one of them of a high reflectance polygonal water chestnut mirror layer and screen painting diffusion point reflection layer.
8. the LCD that surround lighting as claimed in claim 6 is auxiliary is characterized in that this high reflecting surface is a high-reflectivity metal layer.
9. the LCD that surround lighting as claimed in claim 1 is auxiliary, it is characterized in that, this light collecting plate is a light-permeable material, and be positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, the collecting board body of this light collecting plate comprises a plurality of semicircle pipes, these semicircle pipes are arranged in parallel, the a plurality of circular arcs that are arranged in parallel of the extinction mask of this light collecting plate, this light collecting plate is guided this natural light and is concentrated towards the center of circle of semicircle pipe, and forms this exiting surface light source at the exiting surface of this light collecting plate.
10. the LCD that surround lighting as claimed in claim 9 is auxiliary is characterized in that this light-permeable material comprises one of them of glass and plastics.
11. the LCD that surround lighting as claimed in claim 1 is auxiliary, it is characterized in that, this light collecting plate is positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, and the collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer, it is a light-permeable material, and be attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, this fourth face is positioned at the 3rd opposite side, the 5th perpendicular to this fourth face and be this exiting surface, and this optical waveguide layer comprises a plurality of total reflection media, these total reflection medium tool one high reflecting surfaces;
One first reflecting plate, tool one high reflecting surface, and be attached at the fourth face of this optical waveguide layer; And
One second reflecting plate, tool one high reflecting surface, and be attached at this optical waveguide layer and be configured to perpendicular to this first reflecting plate.
12. the LCD that surround lighting as claimed in claim 11 is auxiliary is characterized in that the high reflecting surface of this first reflecting plate and second reflecting plate is a high-reflectivity metal layer.
13. the LCD that surround lighting as claimed in claim 1 is auxiliary is characterized in that this light guide body is a fibre bundle.
14. the LCD that surround lighting as claimed in claim 1 is auxiliary, it is characterized in that, further comprise a solar cell and a battery guiding device, receive the part luminous energy of this light collecting plate and light is directed on this solar cell by this battery guiding device, with this solar cell that charges, and this solar cell provides electric power to this backlight module, display unit.
15. the lighting device that surround lighting is auxiliary utilizes a natural light that encircles in the mirror so that an illumination output light source to be provided, and it is characterized in that the auxiliary lighting device of this surround lighting comprises:
One light collecting plate, have an extinction face, a collecting board body and an exiting surface, this extinction face is towards this natural light, absorb this natural light to produce an absorbing light, this absorbing light is directed to an exiting surface direct of travel towards this exiting surface through this collecting board body, and produces an exiting surface light source on this exiting surface;
One guiding device has a leaded light input end, a light guide body and a leaded light output terminal, and this exiting surface light source enters this leaded light input end, and penetrates this light guide body, forms a leaded light output light source by this leaded light output terminal ejaculation; And
One light fixture has an input optical interface unit and an output light unit, and this input optical interface unit receives this leaded light output light source, and is sent to this output light unit, forms this illumination output light source.
16. the lighting device that surround lighting as claimed in claim 15 is auxiliary is characterized in that the collecting board body of this light collecting plate comprises:
One first coating layer is a low-refraction light-permeable material, has one first and one second, and this first face is positioned at this opposite side of second, and this first is this extinction face;
One second coating layer is a high index of refraction light-permeable material, is attached at second of this first coating layer, and has one the 3rd, and the 3rd face is positioned at this opposite side of second;
One optical waveguide layer is a light-permeable material, and is attached at the 3rd of this second coating layer, and has a fourth face and one the 5th, and this fourth face is positioned at the 3rd opposite side, and the 5th perpendicular to this fourth face and be this exiting surface;
One first reflecting plate, tool one coarse reflecting surface, and be attached at the fourth face of this optical waveguide layer; And
One second reflecting plate, tool one high reflecting surface, and be attached at this optical waveguide layer and be configured to perpendicular to this first reflecting plate.
17. the lighting device that surround lighting as claimed in claim 16 is auxiliary is characterized in that, this coarse reflecting surface comprises one of them of a high reflectance polygonal water chestnut mirror layer and screen painting diffusion point reflection layer.
18. the lighting device that surround lighting as claimed in claim 16 is auxiliary is characterized in that this high reflecting surface is a high-reflectivity metal layer.
19. the lighting device that surround lighting as claimed in claim 15 is auxiliary, it is characterized in that, this light collecting plate is a light-permeable material, and be positioned at one first side of this liquid crystal panel and this natural light is positioned at one second side of this liquid crystal panel, and this second side is positioned at the opposition side of this first side, the collecting board body of this light collecting plate comprises a plurality of semicircle pipes, these semicircle pipes are arranged in parallel, the a plurality of circular arcs that are arranged in parallel of the extinction mask of this light collecting plate, this light collecting plate is guided this natural light and is concentrated towards the center of circle of semicircle pipe, and forms this exiting surface light source at the exiting surface of this light collecting plate.
20. the lighting device that surround lighting as claimed in claim 16 is auxiliary is characterized in that the light-permeable material of this optical waveguide layer comprises one of them of glass and plastics.
21. the lighting device that surround lighting as claimed in claim 15 is auxiliary is characterized in that this light guide body is a fibre bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910000880.1A CN101782698B (en) | 2009-01-20 | 2009-01-20 | The liquid crystal display of ambient light auxiliary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910000880.1A CN101782698B (en) | 2009-01-20 | 2009-01-20 | The liquid crystal display of ambient light auxiliary |
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| Publication Number | Publication Date |
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| CN101782698A true CN101782698A (en) | 2010-07-21 |
| CN101782698B CN101782698B (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910000880.1A Active CN101782698B (en) | 2009-01-20 | 2009-01-20 | The liquid crystal display of ambient light auxiliary |
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Effective date of registration: 20161222 Address after: China's Taiwan City, Tainan, Ma Po District, 36 love road, No. 21 Patentee after: Hu Chongming Address before: Cayman Islands Central Hong Kong 4 floor P.O. Box 613 Patentee before: Ourui Holdings Co., Ltd. |