CN101126864A - Luminescent unit - Google Patents
Luminescent unit Download PDFInfo
- Publication number
- CN101126864A CN101126864A CNA2006101121850A CN200610112185A CN101126864A CN 101126864 A CN101126864 A CN 101126864A CN A2006101121850 A CNA2006101121850 A CN A2006101121850A CN 200610112185 A CN200610112185 A CN 200610112185A CN 101126864 A CN101126864 A CN 101126864A
- Authority
- CN
- China
- Prior art keywords
- light
- luminescence unit
- unit according
- tube group
- guide device
- 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.)
- Pending
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model relates to a lighting unit, which comprises a plurality of lamp tube sets and light guiding elements; wherein, each lamp tube set comprises a plurality of lamp tubes, which can emit light rays of at least two different colors; the light guiding elements are respectively arranged among each lamp tube set. The utility model also discloses another lighting unit.
Description
Technical field
The present invention relates to a kind of luminescence unit, particularly relate to a kind of luminescence unit that comprises plural fluorescent tube.
Background technology
Along with the progress of electronics technology, the accompanied electronic product is in vogue especially in daily life, is to increase day by day for the demand of the display compact, that power consumption is low.Wherein, LCD (Liquidcrystal Display, LCD) low with its power consumption, thermal value is few, in light weight and non-radiation type or the like advantage, be used in the electronic product miscellaneous, and little by little replace traditional cathode-ray tube display (Cold Cathode Tube Display, CRT Display).
Generally speaking, see also shown in Figure 1ly, LCD 10 is mainly to comprise a display panels (Liquid Crystal Display Panel) 11 and one module backlight (BacklightModule) 12.Wherein, display panels 11 is mainly to have two substrates and to be located in liquid crystal layer between two substrates; And module 12 backlight is the surfaces that the light from a light source can be evenly distributed in display panels.Traditionally, module backlight be with cold-cathode fluorescence lamp 121 (Cold CathodeFluorescent Lamp, CCFL) or light emitting diode (Light Emitting Diode LED) is used as light source, is to be example with cold-cathode fluorescence lamp 121 among Fig. 1.The light that cold-cathode fluorescence lamp 121 is sent via optical diaphragm group 122 after, can become more evenly and have directivity.
Wherein, fluorescent light can be divided into again cold-cathode fluorescence lamp (Cold Cathode FluorescentLamp, CCFL) and hot-cathode fluorescent lamp (Hot Cathode Fluorescent Lamp).Cold-cathode fluorescence lamp be with cold cathode electrode replace can the heating thermic cathode electrode (for example: tungsten filament), but because cold-cathode fluorescence lamp cold-starting, add efficient and long-lived characteristics, so make cold-cathode fluorescence lamp become backlight main in the LCD.
Produce deviation when the display color for fear of LCD, therefore each tame manufacturer is when making module backlight, be to adjust the white light that its module backlight sent, make it in chromaticity coordinates, have a default coordinate, the position of this default coordinate is default white balance (WhiteBalance) point of each tame manufacturer, represent that white light that module backlight sends is to maintain certain ratio for red bluish-green three kinds of colors on chromaticity coordinates, and can not be partial to a certain color.
Because white balance mainly is to depend on the fluorescent material that sends the cold-cathode fluorescence lamp of white light in the module backlight, so when the user wants hobby according to the individual when adjusting the LCD preset white balance, prior art mostly can only be changed the data operation values of image frame in the display panels (frame), change by the data operation values of picture frame corresponding to the different colours picture element, and then make the chromaticity coordinates of LCD move, to allow the user think that the white balance of image produces change.
Yet, in case change the data operation values of picture frame in the liquid crystal display face in order to adjust white balance, not only can make the calculating process of picture frame become more complicated, the bit number of the part color range that more can account for, and make the minimizing of the bit degree of depth (bit depth), and then the deleterious that causes picture to show.
Therefore, how providing a kind of LCD and luminescence unit, can allow the user adjust white balance voluntarily, and can not influence the display effect of picture, is an important topic in fact.
This shows that above-mentioned existing luminescence unit obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of luminescence unit of new structure, just becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing luminescence unit exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of luminescence unit of new structure, can improve general existing luminescence unit, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Fundamental purpose of the present invention is, overcome the defective that existing luminescence unit exists, and provide a kind of luminescence unit of new structure, technical matters to be solved is to make it can allow the user adjust white balance voluntarily, and can not influence the display effect of display panels picture, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of luminescence unit that the present invention proposes, it comprises: plural light tube group, and respectively this light tube group comprises plural fluorescent tube, and sends the light of at least two kinds of colors; And plural light-guide device, be to be arranged at respectively between these light tube group.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid luminescence unit, wherein respectively this light tube group is to be arranged in parallel.
Aforesaid luminescence unit, wherein these fluorescent tubes are to be respectively a linear cathode fluorescent tube, a U-shaped cathode fluorescent tube or a W shape cathode fluorescent tube.
Aforesaid luminescence unit, wherein respectively this light tube group is to send redness, blueness and green light.
Aforesaid luminescence unit, wherein these fluorescent tubes are mutually folded establishing, the folded set direction of these fluorescent tubes is in fact perpendicular to an exiting surface of this luminescence unit.
Aforesaid luminescence unit, wherein respectively this light-guide device comprises one first light guide section and one second light guide section respectively, and this first light guide section and this second light guide section are adjacent mutually if link mutually.
Aforesaid luminescence unit, wherein said first light guide section and this second light guide section have an incidence surface, a reflecting surface and an exiting surface respectively, and respectively the light that sends of this light tube group is to inject this light-guide device by this incidence surface respectively.
Aforesaid luminescence unit, the cross section of wherein said first light guide section and this second light guide section are a trapezoidal or triangle respectively.
Aforesaid luminescence unit, wherein said light-guide device are to be a hollow cylinder, and this reflecting surface is arranged in this hollow cavity.
Aforesaid luminescence unit, it more comprises: a housing, these light tube group and these light-guide devices are to be arranged at this housing.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of luminescence unit that the present invention proposes, it comprises: plural light tube group, and respectively this light tube group comprises plural fluorescent tube, and sends the light of at least two kinds of colors; And plural light-guide device, respectively this light-guide device comprises an accommodation space, and respectively this light tube group is to be placed in respectively this accommodation space respectively.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid luminescence unit, wherein respectively this light tube group is to be arranged in parallel.
Aforesaid luminescence unit, wherein these fluorescent tubes are respectively a linear cathode fluorescent tube, a U-shaped cathode fluorescent tube or a W shape cathode fluorescent tube.
Aforesaid luminescence unit, wherein respectively this light tube group is to send redness, blueness and green light.
Aforesaid luminescence unit, wherein these fluorescent tubes are mutually folded establishing, the folded set direction of these fluorescent tubes is in fact perpendicular to an exiting surface of this luminescence unit.
Aforesaid luminescence unit, it more comprises: a housing, these light tube group and these light-guide devices are to be arranged at this housing.
Aforesaid luminescence unit, wherein said accommodation space are a depressed part, and this depressed part is towards this housing.
Aforesaid luminescence unit, wherein respectively this light-guide device more comprises two incidence surfaces, two reflectings surface and an exiting surface, and respectively the light that this fluorescent tube sent is to inject this light-guide device by these incidence surfaces, penetrates this light-guide device by this exiting surface after these reflecting surface reflections.
Aforesaid luminescence unit, wherein said light-guide device are to be a hollow cylinder, and this accommodation space is a cylindrical space.
By technique scheme, luminescence unit of the present invention has following advantage at least: because of complying with in the luminescence unit of the present invention, each light tube group is to comprise plural fluorescent tube and can send the above light of two kinds of colors, so the fluorescent tube in each light tube group can produce white light and the selfluminous cell ejaculation by mutual mixed light, and the brightness of the fluorescent tube of each color can be regulated and control respectively.Thus, each light tube group can be intended the big fluorescent tube that seemingly becomes one to send white light, but its redness, green and blue luminance component then can be adjusted via the circuit that connects respectively, thus can allow the user adjust white balance voluntarily, to meet different users's visual demand.In addition, the light that light tube group is sent also can be by the guiding of light-guide device, and penetrates from the exiting surface of light-guide device, and forms an area source.And, when luminescence unit is a backlight liquid crystal display module, be to adjust respectively in the module backlight, the luminous intensity of the fluorescent tube of different colours light, can and then adjust the mode of the white balance of LCD, and can not lose the bit degree of depth of display panels, so can guarantee the picture display quality of LCD.
In sum, the luminescence unit of novelty of the present invention can allow the user adjust white balance voluntarily, and can not influence the display effect of display panels picture.The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing luminescence unit has the effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is a synoptic diagram of LCD in the prior art;
Fig. 2 is a synoptic diagram of the luminescence unit of first embodiment of the invention;
Fig. 3 is an enlarged diagram of dotted portion among Fig. 2;
Fig. 4 A to Fig. 4 C is in the luminescence unit of first embodiment of the invention, the variation aspect of first light guide section and the second light guide section annexation;
Fig. 5 is a synoptic diagram of the module backlight in the LCD for the luminescence unit of second embodiment of the invention;
Fig. 6 is a synoptic diagram of the luminescence unit of third embodiment of the invention;
Fig. 7 is an enlarged diagram of dotted portion among Fig. 6;
Fig. 8 A to Fig. 8 C is respectively the schematic cross-section of light-guide device, with the different aspects of explanation light-guide device shape;
Fig. 9 is another synoptic diagram of the luminescence unit of third embodiment of the invention; And
Figure 10 is a synoptic diagram of the module backlight in the LCD for the luminescence unit of fourth embodiment of the invention.
10: LCD 11: display panels
12: module 121 backlight: cold-cathode fluorescence lamp
122: optical diaphragm group 20: luminescence unit
21: light tube group 211: fluorescent tube
22: 221: the first light guide sections of light-guide device
23: housing 24: diffuser plate
25: reflex housing 30: display panels
40: LCD 50: luminescence unit
51: light tube group 511: fluorescent tube
52: light-guide device 521: accommodation space
522: diffuser 523: reflector plate
53: housing 54: diffuser plate
60: display panels 70: LCD
Si: incidence surface Se: exiting surface
Sr: reflecting surface
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of luminescence unit, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
At first, see also Fig. 2 to shown in Figure 4, with first embodiment of explanation luminescence unit of the present invention.
[first embodiment]
See also shown in Figure 2ly, luminescence unit 20 comprises plural light tube group 21 and plural light-guide device 22.Wherein, luminescence unit 20 is to can be as normal lighting equipment or for other to form the light source cell of area source.In the present embodiment, luminescence unit 20 is to be example with normal lighting equipment, but range of application is not limited to this.
Each light tube group 21 is to comprise plural fluorescent tube 211, and send the light of at least two kinds of colors, wherein, each fluorescent tube 211 is to be respectively a cathode fluorescent tube (Cold Cathode FluorescentLamp, CCFL), its shape can be a linear fluorescent tube, a U-shaped fluorescent tube or a W shape fluorescent tube, is to be example with the linear fluorescent tube among Fig. 2.In addition, light tube group 21 is to be arranged in parallel and each light tube group 21 is to send the above light of two kinds of colors, for example: red, blue and green light or other are mixed light and produce the light of the plural number kind color of white mutually, and fluorescent tube 211 can be lighted simultaneously also and can light during difference.In the present embodiment, fluorescent tube 211 is mutually folded establishing, and folded set direction is in fact perpendicular to an exiting surface of luminescence unit 20.
Light-guide device 22 is to be arranged at respectively between these light tube group 21, and the material of light-guide device 22 can be the optical grade resin, for example is polycarbonate (PC), penetrates with the exiting surface that will guide to luminescence unit 20 from the light that fluorescent tube 211 sends.Wherein, each light-guide device 22 is to comprise one first light guide section 221 and one second light guide section 222 respectively, the shape of first light guide section 221 and second light guide section 222 is also unrestricted, and the cross section of first light guide section 221 and second light guide section 222 is to be trapezoidal or a triangle or other shapes respectively haply.Fig. 2 be with first light guide section 221 and second light guide section 222 be respectively one trapezoidal be example.
Please consult simultaneously shown in Fig. 3 and Fig. 4 A to Fig. 4 C, wherein Fig. 3 is an enlarged diagram of Fig. 2 dotted portion, and Fig. 4 A to Fig. 4 C to be first light guide section 221 be connected with second light guide section 222 closes the variation aspect that is.As shown in Figure 3, first light guide section 221 and second light guide section 222 have an incidence surface Si, a reflecting surface Sr and an exiting surface Se respectively.The light that each light tube group 21 is sent is to inject light-guide device 22 by each incidence surface Si, again after the reflecting surface Sr reflection via first light guide section 221 and second light guide section 222, exiting surface Se by first light guide section 221 and second light guide section 222 penetrates, and then makes luminescence unit 20 become an area source.
Wherein, in order to promote the utilization factor of light, incidence surface Si can have microstructure or coating anti reflection film, with the reflection that reduces light and promote the light amount that fluorescent tube 211 enters light-guide device 22; Reflecting surface Sr is the hollow cavity that can be arranged in light-guide device 22, and can utilize the design (for example angle of total reflection) of its angle or form a reflection horizon on reflecting surface Sr, makes the light that enters light-guide device 22 mostly can reflex to exiting surface Se by reflecting surface Sr; Exiting surface Se then can be provided with a diffuser 223 (for example being lens or a diffusion layer) or a microstructure, adjusts the light shape of emergent ray.
See also shown in Figure 2ly again, first light guide section 221 and second light guide section 222 are mutually adjacent if link mutually.Wherein, when first light guide section 221 and second light guide section 222 are when linking mutually, can utilize bonding, engaging, sealed or integrated method, win light guide section 221 and second light guide section 222 be linked mutually, and then make light-guide device 22 become a hollow cylinder.In addition, see also shown in 4A to Fig. 4 C, first light guide section 221 also can be adjacent if part is connected in second light guide section 222, and shown in Fig. 4 A to Fig. 4 C, first light guide section 221 and second light guide section 222 are that mutual neighbour establishes (Fig. 4 A) or part interconnects (Fig. 4 B and Fig. 4 C).
See also shown in Figure 2ly again, in the present embodiment, luminescence unit 20 more can comprise a housing 23, and light tube group 21 and light-guide device 22 are to be arranged at housing 23.Wherein, light tube group 21 is to be arranged at housing 23, and material is generally metal, can utilize stamping forming mode to make.In addition, housing 23 can have a reflection horizon, in order to reflect the light that light tube group 21 is sent, to improve the utilization factor of light, wherein the reflection horizon is in the face of these light tube group 21 and being provided with, and the mode of setting can be and attaches a reflection horizon, also can utilize metal coating and forms the reflection horizon on housing 23.
In the present embodiment, light tube group 21 is to comprise plural fluorescent tube 211 and send the above light of two kinds of colors, so the light that a light tube group 21 is sent can produce white light and penetrate luminescence unit 20 by mutual mixed light, and the brightness of the fluorescent tube 211 of each color can be regulated and control respectively.Thus, each light tube group 21 can be intended the big fluorescent tube that seemingly becomes one to send white light, but its redness, green and blue luminance component then can be adjusted via the circuit that connects respectively, so can allow the user adjust the white balance point of luminescence unit, to change the brightness ratio of light of all kinds, to meet different users's visual demand, in order to do making illuminating ray can meet the atmosphere of indoor or outdoors illumination.
[second embodiment]
Seeing also shown in Figure 5ly, in the present embodiment, is to be that a module backlight (Back light module) in the LCD 40 is an example with luminescence unit 20.
The element in first embodiment, luminescence unit 20 more can comprise a diffuser plate 24, and it is to be arranged on these light tube group 21, in order to promote the homogeneity of light.Certainly, except diffuser plate 24, luminescence unit 20 also can have other blooming piece (for example prismatic lens and diffusion barrier), to promote the homogeneity or the directivity of light.
In addition, luminescence unit 20 more can comprise plural reflex housing 25, and each reflex housing 25 is that corresponding respectively each light tube group 21 is provided with.Wherein, reflex housing 25 can directly be arranged at the top of each light tube group 21, with avoid too many light concentrate on each light tube group 21 directly over penetrate and form bright band (Bright Zone).
In the present embodiment, luminescence unit 20 is to be adjacent to a display panels 30, and display panels 30 is mainly to have two substrates and to be located in liquid crystal layer between two substrates, and display panels 30 is to be adjacent to luminescence unit 20.Because display panels 30 is not major technology characteristics of the present invention, its structure is same as the prior art, so do not repeat them here.
Thus, by adjusting the luminous intensity of sending the fluorescent tube that sends different colours light in the light tube group respectively, can adjust the white balance of LCD, and have the advantage of the bit degree of depth of not losing display panels, so can guarantee the quality of LCD.
[the 3rd embodiment]
Then, see also Fig. 6 to shown in Figure 9, with the luminescence unit 50 of explanation third embodiment of the invention.
Each light-guide device 52 is to comprise an accommodation space 521, each light tube group 51 is to be placed in accommodation space 521 respectively, even each light tube group 51 can utilize extrude or the mode of ejection formation and with accommodation space 521 driving fits, just in the light tube group 51 whole embedding light-guide devices 52.And the material of light-guide device 52 can be the optical grade resin, for example is polycarbonate (PC), and the exiting surface that guides to luminescence unit 50 with the light that fluorescent tube 511 is sent penetrates.
See also Figure 6 and Figure 7, wherein Fig. 7 is an enlarged diagram of Fig. 6 dotted portion, by among the figure as can be known, light-guide device 52 has two incidence surface Si, two reflecting surface Sr and an exiting surface Se respectively, wherein, incidence surface Si can be positioned on the wall of accommodation space 521 of light-guide device 52.The light that each light tube group 51 is sent is to inject light-guide device 52 by each incidence surface Si, via after the reflecting surface Sr reflection, is penetrated by exiting surface Se, and then makes luminescence unit 50 become an area source again.Certainly, quantity and the connection relationship of incidence surface Si, reflecting surface Sr and exiting surface Se do not limit, can be required and decide according to actual product, and also incidence surface Si, reflecting surface Sr or exiting surface Se also can be a curved surface.
Please consult simultaneously shown in Fig. 8 A to Fig. 8 C, it is the schematic cross-section that is respectively light-guide device 52, with the different aspects of explanation light-guide device 52 shapes.
Light-guide device 52 can be a hollow cylinder, and accommodation space 521 is a cylindrical space (shown in Fig. 8 A and Fig. 8 B), or accommodation space 521 is a depressed part, and light tube group 51 is to be placed in the depressed part (shown in Fig. 8 C).
See also shown in Figure 9ly, luminescence unit 50 more can comprise a housing 53, and when accommodation space 521 was a depressed part, depressed part was that these light tube group 51 and these light-guide devices 52 are to be arranged at housing 53 in the face of housing 53.Wherein, the material of housing 53 is generally metal, can utilize stamping forming mode to make.In addition, housing 53 can have a reflection horizon, in order to reflect the light that light tube group 51 is sent, to improve the utilization factor of light, wherein the reflection horizon is in the face of these light tube group 51 and being provided with, and the mode of setting can be and attaches a reflection horizon, also can utilize metal coating and forms the reflection horizon on housing 53.
Please consult Fig. 7 and Fig. 9 simultaneously, in order to promote the utilization factor of light, incidence surface Si can have microstructure or coating anti reflection film, with the reflection that reduces light and promote the light amount that fluorescent tube 511 enters light-guide device 52; Reflecting surface Sr is the design (for example angle of total reflection) that can utilize its angle or forms a reflection horizon on reflecting surface Sr, makes the light that enters light-guide device 52 mostly can reflex to exiting surface Se by reflecting surface Sr; Exiting surface Se then can be provided with at least one diffuser 522 (for example being lens or a diffusion layer), a microstructure or a lattice point structure, adjusts the light shape of emergent ray.In addition, on the immediate plane of exiting surface Se of light tube group 51 and light-guide device 51, just reflector plate 523 then can be set or the reflection horizon is put in plating near the place of exiting surface Se at accommodation space 521, with avoid too many light concentrate on each light tube group 51 directly over penetrate and form bright band (Bright Zone).
Thus, each light tube group 51 can be intended the big fluorescent tube that seemingly becomes one to send white light, but its redness, green and blue luminance component then can be adjusted via the circuit that connects respectively, so can allow the user adjust the white balance point of luminescence unit, to change the brightness ratio of light of all kinds, to meet different users's visual demand, in order to do making illuminating ray can meet the atmosphere of indoor or outdoors illumination.
[the 4th embodiment]
Seeing also Figure 10, in the present embodiment, is to be that a module backlight (Back light module) in the LCD 70 is an example with luminescence unit 50.
The element in first embodiment, luminescence unit 50 more can comprise a diffuser plate 54, and it is to be arranged on these light tube group 51, in order to promote the homogeneity of light.Certainly, except diffuser plate 54, luminescence unit 50 also can have other blooming piece (for example prismatic lens and diffusion barrier), to promote the homogeneity or the directivity of light.
In the present embodiment, luminescence unit 50 is to be adjacent to a display panels 60, and display panels 60 is mainly to have two substrates and to be located in liquid crystal layer between two substrates, and display panels 60 is to be adjacent to luminescence unit 50.Because display panels 60 is not major technology characteristics of the present invention, its structure is same as the prior art, so do not repeat them here.
Thus, by adjusting the luminous intensity of sending the fluorescent tube that sends different colours light in the light tube group respectively, can adjust the white balance of LCD, and have the advantage of the bit degree of depth of not losing display panels, so can guarantee the quality of LCD.
In sum, in the luminescence unit of the present invention, each light tube group is to comprise plural fluorescent tube and can send the above light of two kinds of colors, so the fluorescent tube in each light tube group can produce white light and the selfluminous cell ejaculation by mutual mixed light, and the brightness of the fluorescent tube of each color can be regulated and control respectively.Thus, each light tube group can be intended the big fluorescent tube that seemingly becomes one to send white light, but its redness, green and blue luminance component then can be adjusted via the circuit that connects respectively, thus can allow the user adjust white balance voluntarily, to meet different users's visual demand.In addition, the light that light tube group is sent also can be by the guiding of light-guide device, and penetrates from the exiting surface of light-guide device, and forms an area source.And, when luminescence unit is a backlight liquid crystal display module, be to adjust respectively in the module backlight, the luminous intensity of the fluorescent tube of different colours light, can and then adjust the mode of the white balance of LCD, and can not lose the bit degree of depth of display panels, so can guarantee the picture display quality of LCD.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (19)
1. luminescence unit is characterized in that comprising:
The plural number light tube group, respectively this light tube group comprises plural fluorescent tube, and sends the light of at least two kinds of colors; And
The plural number light-guide device is to be arranged at respectively between these light tube group.
2. luminescence unit according to claim 1 is characterized in that wherein respectively this light tube group is to be arranged in parallel.
3. luminescence unit according to claim 1 is characterized in that wherein these fluorescent tubes are to be respectively a linear cathode fluorescent tube, a U-shaped cathode fluorescent tube or a W shape cathode fluorescent tube.
4. luminescence unit according to claim 1 is characterized in that wherein respectively this light tube group is to send redness, blueness and green light.
5. luminescence unit according to claim 1 is characterized in that wherein these fluorescent tubes are folded mutually establishing, and the folded set direction of these fluorescent tubes is in fact perpendicular to an exiting surface of this luminescence unit.
6. luminescence unit according to claim 1 is characterized in that wherein respectively this light-guide device comprises one first light guide section and one second light guide section respectively, and this first light guide section and this second light guide section are adjacent mutually if link mutually.
7. luminescence unit according to claim 6, it is characterized in that wherein said first light guide section and this second light guide section have an incidence surface, a reflecting surface and an exiting surface respectively, respectively the light that sends of this light tube group is to inject this light-guide device by this incidence surface respectively.
8. luminescence unit according to claim 6 is characterized in that the cross section of wherein said first light guide section and this second light guide section is a trapezoidal or triangle respectively.
9. luminescence unit according to claim 7 is characterized in that wherein said light-guide device is to be a hollow cylinder, and this reflecting surface is arranged in this hollow cavity.
10. luminescence unit according to claim 1 is characterized in that it more comprises:
One housing, these light tube group and these light-guide devices are to be arranged at this housing.
11. a luminescence unit is characterized in that comprising:
The plural number light tube group, respectively this light tube group comprises plural fluorescent tube, and sends the light of at least two kinds of colors; And
The plural number light-guide device, respectively this light-guide device comprises an accommodation space, and respectively this light tube group is to be placed in respectively this accommodation space respectively.
12. luminescence unit according to claim 11 is characterized in that wherein respectively this light tube group is to be arranged in parallel.
13. luminescence unit according to claim 11 is characterized in that wherein these fluorescent tubes are respectively a linear cathode fluorescent tube, a U-shaped cathode fluorescent tube or a W shape cathode fluorescent tube.
14. luminescence unit according to claim 11 is characterized in that wherein respectively this light tube group is to send redness, blueness and green light.
15. luminescence unit according to claim 11 is characterized in that wherein these fluorescent tubes are folded mutually establishing, the folded set direction of these fluorescent tubes is in fact perpendicular to an exiting surface of this luminescence unit.
16. luminescence unit according to claim 11 is characterized in that it more comprises:
One housing, these light tube group and these light-guide devices are to be arranged at this housing.
17. luminescence unit according to claim 16 is characterized in that wherein said accommodation space is a depressed part, this depressed part is towards this housing.
18. luminescence unit according to claim 11, it is characterized in that wherein respectively this light-guide device more comprises two incidence surfaces, two reflectings surface and an exiting surface, respectively the light that this fluorescent tube sent is to inject this light-guide device by these incidence surfaces, penetrates this light-guide device by this exiting surface after these reflecting surface reflections.
19. luminescence unit according to claim 11 is characterized in that wherein said light-guide device is to be a hollow cylinder, this accommodation space is a cylindrical space.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101121850A CN101126864A (en) | 2006-08-17 | 2006-08-17 | Luminescent unit |
| US11/878,102 US20080024698A1 (en) | 2006-07-25 | 2007-07-20 | Liquid crystal display apparatus and light emitting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101121850A CN101126864A (en) | 2006-08-17 | 2006-08-17 | Luminescent unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101126864A true CN101126864A (en) | 2008-02-20 |
Family
ID=39094934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101121850A Pending CN101126864A (en) | 2006-07-25 | 2006-08-17 | Luminescent unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101126864A (en) |
-
2006
- 2006-08-17 CN CNA2006101121850A patent/CN101126864A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI223046B (en) | Illumination system and display device | |
| CN103133949B (en) | Direct-type back lighting device and the liquid crystal display using the device | |
| CN100468171C (en) | Light emitting cluster and direct light emitting type backlight unit having the same and liquid crystal display device having the backlight unit | |
| US20060279671A1 (en) | Backlight assembly for liquid crystal display device and liquid crystal display device using the same | |
| CN100587567C (en) | LED back light module | |
| CN101071226B (en) | Backlight source for liquid crystal display device and liquid crystal display device using same | |
| US11175448B2 (en) | Light-emitting device and method for fabricating same | |
| CN101071230A (en) | Liquid crystal display device and its backlight module | |
| CN100376982C (en) | Illuminating device and liquid crystal display device | |
| CN101109869A (en) | Side-in and directly-down back light module unit | |
| CN105759500A (en) | Quantum dot backlight module and liquid crystal television | |
| CN100454590C (en) | LED, LED module set and backlight system | |
| CN105242457A (en) | Light guide device with high color saturation | |
| CN101614351A (en) | LED-backlit source and driving method thereof | |
| CN102890365A (en) | Direct-downward type LED (Liquid Crystal Display) liquid crystal module | |
| CN208188529U (en) | A kind of back light unit, backlight module and its display device | |
| CN101175946A (en) | Backlight device, liquid crystal display unit and optical polarization sheet | |
| CN101418931B (en) | Backlight assembly | |
| TW200825564A (en) | Backlight module and liquid crystal display device | |
| CN202327857U (en) | High-brightness and ultra-thin backlight source | |
| US20080170176A1 (en) | Backlight Module Having Phosphor Layer and Liquid Crystal Display Device Using the Same | |
| KR20090019208A (en) | Backlight unit for flat panel display device | |
| CN100538471C (en) | Module backlight and light guide plate group thereof | |
| CN107145007A (en) | A kind of liquid crystal display device and method that high colour gamut is realized by quantum pipe | |
| CN101126864A (en) | Luminescent unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |