CN101071230A - Liquid crystal display device and its backlight module - Google Patents
Liquid crystal display device and its backlight module Download PDFInfo
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- CN101071230A CN101071230A CN 200610078793 CN200610078793A CN101071230A CN 101071230 A CN101071230 A CN 101071230A CN 200610078793 CN200610078793 CN 200610078793 CN 200610078793 A CN200610078793 A CN 200610078793A CN 101071230 A CN101071230 A CN 101071230A
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Abstract
The invention relates to a LCD and the backlight module thereof. And the LCD comprises a backlight module and a LCD panel, the backlight module comprises a first light source, a first lighting cavity, at least a first optical fiber and a first light guide plate; the first lighting cavity has a first orifice, the first light source is held in the first lighting cavity; one end of the first optical fiber is connected with the first orifice; the first light guide plate is arranged at the other end of the optical fiber; and the LCD panel is adjacent to one side of the first light guide plate.
Description
Technical field
The present invention relates to a kind of module backlight, particularly relate to a kind of liquid crystal indicator and module backlight thereof
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, often 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, LCD is mainly to comprise a liquid crystal panel (Liquid CrystalPanel) and a module backlight (Backlight Module).Wherein, liquid crystal panel is mainly to have two substrates and to be located in liquid crystal layer between two substrates; And module backlight is the surface that the light from a light source can be evenly distributed in liquid crystal panel.Traditionally, module backlight be with cold-cathode fluorescence lamp (Cold Cathode Fluorescent Lamp, CCFL) or light emitting diode (LightEmitting Diode LED) is used as light source.
See also shown in Figure 1ly, it is the module backlight 1 for known techniques, is example with a side-light type (EdgeType) module 1 backlight, mainly comprises at least one light source 11, one first light guide plate 12, a reflecting plate 13 and plural blooming piece 14 (141,142,143).
Light source 11 is sides that are arranged at first light guide plate 12, and light source 11 is to emit beam and be incident to first light guide plate 12.Wherein light source 11 can be an at least one light emitting diode or a cold cathode fluorescent lamp.One side of first light guide plate 12 is to have plural printing net-point 121, can make light inject to plural blooming piece 14 from the exiting surface 122 of first light guide plate 12 in order to destroy the total reflection of light in first light guide plate 12.
Blooming piece 14 is exiting surface 122 sides that are arranged at first light guide plate 12.Usually, plural blooming piece 14 can comprise diffusion sheet 143 on diffusion sheet 141, the prismatic lens 142 and.Certainly, the order of the quantity of blooming piece 14, kind and setting can change according to the design of each manufacturer.Light can offer liquid crystal panel one uniform backlight by behind the plural blooming piece 14.
By among Fig. 1 as can be known, first light guide plate 12 has accounted for 1/2nd thickness of module 1 backlight, likes the more and more compact trend of electronic product in order to meet the consumer, the dealer wants to reduce the thickness of module 1 backlight invariably energetically.
Because the thickness of first light guide plate 12 is relevant with the size of light source 11, for example the height of the diameter of cold cathode fluorescent lamp and light emitting diode is all relevant with the thickness of first light guide plate 12, therefore, no matter light source 11 is to adopt cold cathode fluorescent lamp or light emitting diode, the thickness of first light guide plate 12 has always occupied certain space, and the thickness of first light guide plate 12 is thicker, and cost is also just high.
Moreover, how in large-sized module 1 backlight, successfully allow light source 11 dispel the heat effectively and then become an other problem.Especially when light source 11 was a plurality of LED s, the heating problem of each light-emitting diode component made the dealer quite have a headache especially.This is because the position of light source 11 and first light guide plate 12 and blooming piece 14 is quite approaching, can't provide a kind of effective heat dissipation in the therefore known technology, assists light source heat radiation.
This shows that above-mentioned existing liquid crystal indicator and module backlight thereof obviously still have inconvenience and defective, and demand urgently further being improved in structure and use.In order to solve the problem that existing liquid crystal indicator and module backlight thereof exist, 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, and this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel liquid crystal indicator and module backlight thereof, solving first light guide plate heat dissipation problem too thick and light source just becomes the improved target of current industry utmost point need.
Because the defective that above-mentioned existing liquid crystal indicator and module backlight thereof exist, 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 novel liquid crystal indicator and module backlight thereof, can improve general existing liquid crystal indicator and module backlight thereof, 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
The objective of the invention is to, overcome the defective that existing liquid crystal indicator and module backlight thereof exist, and provide a kind of novel liquid crystal indicator and module backlight thereof, technical matters to be solved is to make its thickness that can reduce by first light guide plate and can solve the light source heat radiation problem, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of liquid crystal indicator according to the present invention's proposition, comprise: a module backlight, comprise one first light source, one first lighting cavity, at least one first optical fiber and one first light guide plate, wherein, this first lighting cavity is to have one first opening, this first light source is to be placed in this first lighting cavity, and an end of this first optical fiber is to be linked to this first opening, and this first light guide plate is the other end that is arranged at this first optical fiber; And a display panels, be a side that is adjacent to this first light guide plate.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid liquid crystal indicator, the inwall of wherein said first lighting cavity are to have a reflection horizon.
Aforesaid liquid crystal indicator, wherein said first lighting cavity is to be spheroid, ellipsoid or rectangular parallelepiped.
Aforesaid liquid crystal indicator, wherein said first light source are to be at least one cold cathode fluorescent lamp or at least one light emitting diode.
Aforesaid liquid crystal indicator, wherein said module backlight more comprises a radiating seat, and this first light source is to be arranged at this radiating seat.
Aforesaid liquid crystal indicator, wherein said module backlight more comprises a condenser lens, is to be adjacent to this first opening.
Aforesaid liquid crystal indicator, wherein said module backlight more comprises one second lighting cavity and a secondary light source, and this second lighting cavity is to be adjacent to this first lighting cavity and to have one second opening, and this secondary light source is to be placed in this second lighting cavity.
Aforesaid liquid crystal indicator, wherein said module backlight more comprises at least one second optical fiber, and the one end is to be arranged at this second opening, and this first light guide plate is the other end that is arranged at this second optical fiber.
Aforesaid liquid crystal indicator, wherein said module backlight more comprises an optical fibre frame, and this optical fibre frame is to have one first perforation, and this optical fibre frame is to be adjacent to this first light guide plate, and the other end of this first optical fiber is to be linked to this first perforation.
Aforesaid liquid crystal indicator, wherein said module backlight more comprises an optical fibre frame, and this optical fibre frame is to have one first perforation and one second perforation, and this optical fibre frame is to be adjacent to this first light guide plate, and the other end of this second optical fiber is to be arranged at this second perforation.
Aforesaid liquid crystal indicator, wherein said first light guide plate are to comprise plural first linking part, and the other end of this first optical fiber is to link with this first linking part.
Aforesaid liquid crystal indicator, wherein said first light guide plate are to comprise plural second linking part, and the other end of this second optical fiber is to link with this second linking part.
Aforesaid liquid crystal indicator, wherein said module backlight more comprise one second light guide plate and one second optical fiber, and an end of this second optical fiber is to be linked to first opening, and this second light guide plate is the other end that is arranged at this second optical fiber.
Aforesaid liquid crystal indicator, it more comprises: another display panels is to be adjacent to this second light guide plate.
The object of the invention to solve the technical problems also realizes by the following technical solutions.Module a kind of backlight according to the present invention proposes comprises: one first light source; One first lighting cavity is to have one first opening, and this first light source is to be placed in this first lighting cavity; At least one first optical fiber, one end are to be linked to this first opening; And one first light guide plate, be the other end that is arranged at this first optical fiber.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid module backlight, the inwall of wherein said first lighting cavity are to have a reflection horizon.
Aforesaid module backlight, wherein said first lighting cavity is to be spheroid, ellipsoid or rectangular parallelepiped.
Aforesaid module backlight, wherein said first light source are to be at least one cold cathode fluorescent lamp or at least one light emitting diode.
Aforesaid module backlight, it more comprises: a radiating seat, this first light source is to be arranged at this radiating seat.
Aforesaid module backlight, it more comprises: a diffuser plate is to be arranged between this first opening and this first light source.
Aforesaid module backlight, it more comprises: a condenser lens is to be adjacent to this first opening.
Aforesaid module backlight, it more comprises: one second lighting cavity and a secondary light source, this second lighting cavity are to be adjacent to this first lighting cavity and to have one second opening, and this secondary light source is to be placed in this second lighting cavity.
Aforesaid module backlight, it more comprises: at least one second optical fiber, one end are to be arranged at this second opening, and this first light guide plate is the other end that is arranged at this second optical fiber.
Aforesaid module backlight, it more comprises: an optical fibre frame is to have one first perforation, and this optical fibre frame is to be adjacent to this first light guide plate, and the other end of this first optical fiber is to be linked to this first perforation.
Aforesaid module backlight, wherein this optical fibre frame is to have one second perforation, the other end of this second optical fiber is to be arranged at this second perforation.
Aforesaid module backlight, wherein said first light guide plate are to comprise plural first linking part, and the other end of this first optical fiber is to link with this first linking part.
Aforesaid module backlight, wherein said first light guide plate are to comprise plural second linking part, and the other end of this second optical fiber is to link with this second linking part.
Aforesaid module backlight, it more comprises: one second light guide plate and one second optical fiber, an end of this second optical fiber are to be linked to first opening, and this second light guide plate is the other end that is arranged at this second optical fiber.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, major technique of the present invention thes contents are as follows:
In order to achieve the above object, the invention provides a kind of liquid crystal indicator, comprise a module backlight and a display panels.Module backlight comprises one first light source, one first lighting cavity, at least one first optical fiber and one first light guide plate.First lighting cavity is to have one first opening, and first light source is to be placed in first lighting cavity.One end of first optical fiber is to be linked to first opening.First light guide plate is the other end that is arranged at first optical fiber.Display panels is a side that is arranged at module backlight.
In addition, in order to achieve the above object, the present invention provides a kind of module backlight in addition, comprises one first light source, one first lighting cavity, at least one first optical fiber and one first light guide plate.First lighting cavity is to have one first opening, and first light source is to be placed in first lighting cavity.One end of first optical fiber is to be linked to first opening.First light guide plate is the other end that is arranged at first optical fiber.
By technique scheme, liquid crystal indicator of the present invention and module backlight thereof have following advantage at least: because of according to liquid crystal indicator of the present invention and module backlight, be to utilize optical fiber with the light in the lighting cavity, be passed to first light guide plate.Compare with known techniques, liquid crystal indicator of the present invention and module backlight utilize optical fiber to transmit light, are the advantages with the loss that reduces light.In addition, owing to utilize optical fiber to transmit light to the first light guide plate, therefore the thickness of first light guide plate also can therefore and significantly reduce, so also can reduce the material cost of first light guide plate.Moreover light source is to be arranged in the lighting cavity to prolong light mixing distance, thus can relax requirement to the crest wavelength of single source, and then reduce the cost of buying raw material, and adding light source is away from blooming piece, the heat dissipation problem of light source is also solved.
In sum, 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 liquid crystal indicator and module backlight thereof have the multinomial effect of enhancement, thus be suitable for practicality more, and have the extensive value of industry, really be 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 the synoptic diagram for known techniques module backlight.
Fig. 2 is the synoptic diagram for embodiment of the invention liquid crystal indicator.
Fig. 3 is another synoptic diagram by the liquid crystal indicator of the viewing angle among Fig. 2.
Fig. 4 is the module synoptic diagram backlight for first embodiment of the invention.
Fig. 5 is another synoptic diagram for the module backlight of first embodiment of the invention.
Fig. 6 is another synoptic diagram for the module backlight of first embodiment of the invention.
Fig. 7 is another synoptic diagram for the module backlight of first embodiment of the invention.
Fig. 8 is the module synoptic diagram backlight for second embodiment of the invention.
Fig. 9 is another synoptic diagram for the module backlight of second embodiment of the invention.
Figure 10 is another synoptic diagram for the module backlight of second embodiment of the invention.
Figure 11 is another synoptic diagram for the module backlight of third embodiment of the invention.
Figure 12 is another synoptic diagram for liquid crystal indicator of the present invention.
1: module 11 backlight: light source
Light guide plate 121 in 12: the first: printing net-point
122: exiting surface 13: reflecting plate
14: blooming piece 141: following diffusion sheet
142: prismatic lens 143: go up diffusion sheet
20: 21: the first light guide plate of liquid crystal indicator
211: reflection horizon 22: first surface
23: second surface 24: fitting portion
25: site 30,30 ': module backlight
31: the first light sources 31 ': secondary light source
32: the first lighting cavity 32 ': the second lighting cavity
321: the first opening 321 ': the second openings
322: 33: the first optical fiber in reflection horizon
331: one ends of 33 ': the second optical fiber
332: 34: the first light guide plate of the other end
342: the second linking parts of 341: the first linking parts
35: heat sink 36: diffuser plate
37: condenser lens 38: optical fibre frame
Perforation in 381: the first perforation in 382: the second
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 liquid crystal indicator and its embodiment of module backlight, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 2 and shown in Figure 3, wherein Fig. 3 is the synoptic diagram by the liquid crystal indicator 20 of the viewing angle among Fig. 2.Liquid crystal indicator 20 is to comprise a module 30 backlight and a display panels 40 (dotted line as shown in Figure 2).Wherein, display panels 40 is mainly to have two substrates and to be located in liquid crystal layer between two substrates; And module 30 backlight is the light from a light source can be distributed to display panels 40 equably.
See also shown in Figure 4ly, the module backlight 30 of the first embodiment of the present invention is to comprise one first light source 31, one first lighting cavity 32, at least one first optical fiber 33 and one first light guide plate 34.
First light source 31 can be a pointolite or is a line source, for example is a light emitting diode or a fluorescent tube.When luminous intensity is enough, can for example be a cathode fluorescent tube only with one first light source 31.In the present embodiment, module 30 backlight is to be example to have plural first light source 31, first light source 31 is to can be a light-emitting diode component (led device) respectively or is the naked crystalline substance of a light emitting diode (die), and for sending the light-emitting diode component or the naked crystalline substance of different colours, send white light with mixed light, quantity does not then limit.First light source 31 is arranged on the heat sink 35, assists 31 heat radiations of first light source by heat sink 35.
In the present embodiment, the inwall of first lighting cavity 32 is to have a reflection horizon 322, in order to reflect the light that first light source 31 is sent, can improve light utilization.Wherein, the material in reflection horizon 322 can be barium sulphate (BaSO
4) or titania (TiO
2), utilize coating process and be formed at the inwall of first lighting cavity 32, so that reflectivity is greater than 90% (555nm measures down).Also reflection horizon 322 can be formed at the inwall of first lighting cavity 32 in addition in the mode that attaches.
One end 331 of first optical fiber 33 is to be linked to first opening 321, and 331 of the other ends are arranged at first light guide plate 34.Wherein, first optical fiber 33 is in order to the light in first lighting cavity 32 is sent out, and the quantity of first optical fiber 33 then can and change to some extent with the actual product design.Be that to have one first optical fiber 33 with module 30 backlight be example among Fig. 4, certainly, module 30 backlight also can have a plurality of first optical fiber 33 (as shown in Figure 5), or first optical fiber 33 is promptly represented a branch of optical fiber.It is noted that the junction of first optical fiber 33 and first opening 321 needs suitable driving fit, is spilt by the slit between first opening 321 and first optical fiber 33 to avoid light.
By being connected of first optical fiber 33 and first lighting cavity 32 and first light guide plate 34, thus, after the light that first light source 31 is sent reflects in first lighting cavity 32, can be by a side that in first opening 321 light is passed to first light guide plate 34.And be incident to the position of first light guide plate 34, and then can decide according to the length and the design of first optical fiber 33, when first optical fiber 33 is linked to the side of first light guide plate 34, then become the module backlight 30 of side-light type; When if first optical fiber 33 is linked to the bottom surface of first light guide plate 34, then can become the module backlight 30 of straight-down negative.Except light enters the position changeableization of first light guide plate 34 outside this advantage, in the present embodiment because plural first light source 31 is in first lighting cavity 32 mixed light in advance, so have enough light mixing distance, just light be passed to first light guide plate 34 by first optical fiber 33.Therefore the light mixing distance between plural first light source 31 is enough, so module backlight 30 can obtain desirable mixed light result, for example is the light emitting diode of red, green and blue three-color during as first light source 31, can obtain white light behind mixed light.And module 30 backlight crest wavelength (peak wavelength) during for light emitting diode or the requirement of main wavelength (dominate wavelength) can not need too strict for first light source 31.That is to say, when selecting light emitting diode as light source, can relax the wavelength specification of light emitting diode, light emitting diode that originally can only select target crest wavelength ± 3nm for example, but, then can relax the object wave spike length ± 5nm of light emitting diode or bigger scope because the light mixing distance of module 30 backlight of the present invention is enough.Thus, the cost of buying LED crystal particle then can significantly reduce.Moreover, owing to utilize first optical fiber 33 to transmit light to the first light guide plate 34, therefore, the thickness of first light guide plate 34 also can therefore and significantly reduce, even can be to become approaching as the diameter of first optical fiber 33, so also can reduce the material cost of first light guide plate 34.
Please refer to shown in Figure 5ly again, module 30 backlight more can comprise a diffuser plate 36 and a condenser lens 37, and diffuser plate 36 is to be arranged between first opening 321 and first light source 31, and condenser lens 37 is to be adjacent to first opening 321.So most light that first light source 31 is sent is then earlier by diffuser plate 36 diffusion mixed lights, pass through condenser lens 37 again with the end 331 of light-ray condensing, in order to the light transmission in first optical fiber 33.
Please refer to shown in Figure 3ly again, module 30 backlight more can comprise an optical diaphragm group (not shown), is diffusion barrier and brightness enhancement film or the like for example, is arranged between first light guide plate 34 and the display panels 40, to improve light utilization.
See also shown in Figure 6, to describe a kind of mode of connection of first optical fiber 33 and first light guide plate 34 in detail.Wherein, module 30 backlight more can comprise an optical fibre frame 38, and optical fibre frame 38 is to have one first perforation 381, and optical fibre frame 38 is that the other end 332 that is adjacent to first light guide plate, 34, the first optical fiber 33 is to be linked to first perforation 381.
Seeing also shown in Figure 7ly, then is the another kind of mode of connection of first optical fiber 33 and first light guide plate 34.Wherein, first light guide plate 34 is to comprise plural first linking part 341, for example is a recess or is a protuberance.And the other end 332 of first optical fiber 33 is to link with first linking part 341, and mode of connection can for example be bonding, fit (utilizing the hollow tube of optical fiber and the protuberance fit of first light guide plate 3 4), chimeric or other fixed form.
See also Fig. 8 to shown in Figure 10, with second embodiment of explanation the present invention module 30 ' backlight.
See also shown in Figure 8ly, module 30 ' backlight more comprises a secondary light source 31 ' and one second lighting cavity 32 '.Wherein, second lighting cavity 32 ' is to be adjacent to first lighting cavity 32 and to have one second opening 321 ', and secondary light source 31 ' is to be placed in second lighting cavity 32 '.The optical fiber that is extended out by first lighting cavity 32 and second lighting cavity 32 ' is to accumulate first optical fiber 33, to transmit light to the first light guide plate 34.Wherein, secondary light source 31 ' can have the luminous crest wavelength identical or inequality with first light source 31, to send the light of identical or color inequality.That is to say, by the light that second lighting cavity 32 ' is transmitted out, can be the light (for example being white light) that mixed light is finished, also can be monochromatic light, to be passedly carries out mixed light with the light of first lighting cavity 32 again to first light guide plate 34.
See also shown in Figure 9ly, the end that module 30 ' backlight more can comprise one second optical fiber, 33 ', the second optical fiber 33 ' is that to be arranged at second opening, 321 ', the first light guide plate 34 are the other ends that are arranged at second optical fiber 33 '.That is to say that first lighting cavity 32 and second lighting cavity 32 ' have an optical fiber separately and transmit light to the first light guide plate 34.
See also shown in Figure 10ly, module 30 ' backlight more can comprise an optical fibre frame 38, and the other end that has first perforation, 381 and second perforation, 382, the second optical fiber 33 ' simultaneously is to be arranged at second perforation 382.First light guide plate 34 is that the other end that comprises plural second linking part, 342, the second optical fiber 33 ' is and 342 bindings of second linking part.
Then, see also shown in Figure 11ly, the present invention's module 30 backlight please be described " the 3rd preferred embodiment.
See also shown in Figure 11, module 30 backlight " end that more comprises one second optical fiber 33 ' and one second light guide plate, 39, the second optical fiber 33 ' is that to be linked to first opening, 321, the second light guide plate 39 are the other ends that are arranged at second optical fiber 33 '.
After the light that first light source 31 is sent reflects, can light be passed to first light guide plate 34 and second light guide plate 39 respectively by first optical fiber 33 and second optical fiber 33 ' that link with first opening 321 in first lighting cavity 32.Wherein, reach and the number of fibers of second light guide plate, 39 bindings and the size of light guide plate, decide by the reality use is required with first light guide plate 34.So the quantity of the quantity of first optical fiber 33 and second optical fiber 33 ' can be identical or inequality, the size that first light guide plate 34 reaches with second light guide plate 39 can be identical or inequality.In the present embodiment, because the size of second light guide plate 39 is less, the quantity of second optical fiber 33 ' that therefore is linked to second light guide plate 39 is also less.
In the present embodiment, module 30 backlight " be to have first light guide plate 33 and second light guide plate 39, so can be applied to have in the display of double-display screen curtain for example mobile phone, double screen monitor or mobile computer or the like.
In addition, see also shown in Figure 12, it is for module 30 backlight " be applied to a synoptic diagram of liquid crystal indicator 20 '; in the liquid crystal indicator 20 ' of the present invention; display panels 40 is to be adjacent to first light guide plate 34; in addition; liquid crystal indicator 20 ' more can comprise another display panels 40 '; it is to be adjacent to second light guide plate 39, the light that first light source 31 is sent, after 32 internal reflections of first lighting cavity, respectively light is passed to first light guide plate 34 and second light guide plate 39 via first optical fiber 33 and second optical fiber 33 ', and first light guide plate 34 and second light guide plate 39 are passed to display panels 40 respectively with light again, 40 ', so can form liquid crystal indicator 20 ' with double-sided display screen.
In sum, liquid crystal indicator of the present invention and module backlight are to utilize optical fiber with the light in the lighting cavity, are passed to first light guide plate.Compare with known techniques, liquid crystal indicator of the present invention and module backlight utilize optical fiber to transmit light, are the advantages with the loss that reduces light.In addition, owing to utilize optical fiber to transmit light to the first light guide plate, therefore the thickness of first light guide plate also can therefore and significantly reduce, so also can reduce the material cost of first light guide plate.Moreover light source is to be arranged in the lighting cavity to prolong light mixing distance, thus can relax requirement to the crest wavelength of single source, and then reduce the cost of buying raw material, and adding light source is away from blooming piece, the heat dissipation problem of light source is also solved.
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 not break away from the technical solution of the present invention content, 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 (28)
1, a kind of liquid crystal indicator is characterized in that it comprises:
One module backlight, comprise one first light source, one first lighting cavity, at least one first optical fiber and one first light guide plate, wherein, this first lighting cavity is to have one first opening, this first light source is to be placed in this first lighting cavity, one end of this first optical fiber is to be linked to this first opening, and this first light guide plate is the other end that is arranged at this first optical fiber: and
One display panels is a side that is adjacent to this first light guide plate.
2, liquid crystal indicator according to claim 1 is characterized in that wherein the inwall of this first lighting cavity is to have a reflection horizon.
3, liquid crystal indicator according to claim 1 is characterized in that wherein this first lighting cavity is to be spheroid, ellipsoid or rectangular parallelepiped.
4, liquid crystal indicator according to claim 1 is characterized in that wherein this first light source is to be at least one cold cathode fluorescent lamp or at least one light emitting diode.
5, liquid crystal indicator according to claim 1 is characterized in that wherein this module backlight more comprises a radiating seat, and this first light source is to be arranged at this radiating seat.
6, liquid crystal indicator according to claim 1 is characterized in that wherein this module backlight more comprises a condenser lens, is to be adjacent to this first opening.
7, liquid crystal indicator according to claim 1, it is characterized in that wherein this module backlight more comprises one second lighting cavity and a secondary light source, this second lighting cavity is to be adjacent to this first lighting cavity and to have one second opening, and this secondary light source is to be placed in this second lighting cavity.
8, liquid crystal indicator according to claim 7 is characterized in that wherein this module backlight more comprises at least one second optical fiber, and the one end is to be arranged at this second opening, and this first light guide plate is the other end that is arranged at this second optical fiber.
9, liquid crystal indicator according to claim 1, it is characterized in that wherein this module backlight more comprises an optical fibre frame, this optical fibre frame is to have one first perforation, and this optical fibre frame is to be adjacent to this first light guide plate, and the other end of this first optical fiber is to be linked to this first perforation.
10, liquid crystal indicator according to claim 8, it is characterized in that wherein this module backlight more comprises an optical fibre frame, this optical fibre frame is to have one first perforation and one second perforation, and this optical fibre frame is to be adjacent to this first light guide plate, and the other end of this second optical fiber is to be arranged at this second perforation.
11, liquid crystal indicator according to claim 1 is characterized in that wherein this first light guide plate is to comprise plural first linking part, and the other end of this first optical fiber is to link with this first linking part.
12, liquid crystal indicator according to claim 8 is characterized in that wherein this first light guide plate is to comprise plural second linking part, and the other end of this second optical fiber is to link with this second linking part.
13, liquid crystal indicator according to claim 1, it is characterized in that wherein this module backlight more comprises one second light guide plate and one second optical fiber, one end of this second optical fiber is to be linked to first opening, and this second light guide plate is the other end that is arranged at this second optical fiber.
14, liquid crystal indicator according to claim 13 is characterized in that it more comprises:
One another display panels is to be adjacent to this second light guide plate.
15, a kind of module backlight is characterized in that it comprises:
One first light source:
One first lighting cavity is to have one first opening, and this first light source is to be placed in this first lighting cavity;
At least one first optical fiber, one end are to be linked to this first opening; And
One first light guide plate is the other end that is arranged at this first optical fiber.
16, module backlight according to claim 15 is characterized in that wherein the inwall of this first lighting cavity is to have a reflection horizon.
17, module backlight according to claim 15 is characterized in that wherein this first lighting cavity is to be spheroid, ellipsoid or rectangular parallelepiped.
18, module backlight according to claim 15 is characterized in that wherein this first light source is to be at least one cold cathode fluorescent lamp or at least one light emitting diode.
19, module backlight according to claim 15 is characterized in that it more comprises:
One radiating seat, this first light source is to be arranged at this radiating seat.
20, module backlight according to claim 15 is characterized in that it more comprises:
One diffuser plate is to be arranged between this first opening and this first light source.
21, module backlight according to claim 15 is characterized in that it more comprises:
One condenser lens is to be adjacent to this first opening.
22, module backlight according to claim 15 is characterized in that it more comprises:
One second lighting cavity and a secondary light source, this second lighting cavity are to be adjacent to this first lighting cavity and to have one second opening, and this secondary light source is to be placed in this second lighting cavity.
23, module backlight according to claim 22 is characterized in that it more comprises:
At least one second optical fiber, one end are to be arranged at this second opening, and this first light guide plate is the other end that is arranged at this second optical fiber.
24, module backlight according to claim 15 is characterized in that it more comprises:
One optical fibre frame is to have one first perforation, and this optical fibre frame is to be adjacent to this first light guide plate, and the other end of this first optical fiber is to be linked to this first perforation.
25, module backlight according to claim 23 is characterized in that wherein this optical fibre frame is to have one second perforation, and the other end of this second optical fiber is to be arranged at this second perforation.
26, module backlight according to claim 15 is characterized in that wherein this first light guide plate is to comprise plural first linking part, and the other end of this first optical fiber is to link with this first linking part.
27, module backlight according to claim 23 is characterized in that wherein this first light guide plate is to comprise a plurality of second linking parts, and the other end of this second optical fiber is to link with this second linking part.
28, module backlight according to claim 15 is characterized in that it more comprises:
One second light guide plate and one second optical fiber, an end of this second optical fiber are to be linked to first opening, and this second light guide plate is the other end that is arranged at this second optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610078793 CN101071230A (en) | 2006-05-11 | 2006-05-11 | Liquid crystal display device and its backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610078793 CN101071230A (en) | 2006-05-11 | 2006-05-11 | Liquid crystal display device and its backlight module |
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| Publication Number | Publication Date |
|---|---|
| CN101071230A true CN101071230A (en) | 2007-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610078793 Pending CN101071230A (en) | 2006-05-11 | 2006-05-11 | Liquid crystal display device and its backlight module |
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| Country | Link |
|---|---|
| CN (1) | CN101071230A (en) |
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| CN102313992A (en) * | 2011-03-25 | 2012-01-11 | 明基电通有限公司 | Light conduction device and backlight device |
| CN102367932A (en) * | 2011-09-29 | 2012-03-07 | 苏州承源光电科技有限公司 | Light emitting diode (LED) backlight structure |
| CN102927522A (en) * | 2012-11-23 | 2013-02-13 | 深圳市华星光电技术有限公司 | Backlight module and LCD adopting same |
| CN103090303A (en) * | 2013-01-08 | 2013-05-08 | 深圳市华星光电技术有限公司 | Backlight module |
| CN103245899A (en) * | 2012-02-06 | 2013-08-14 | 乐利士实业股份有限公司 | Light source output device |
| WO2014110835A1 (en) * | 2013-01-15 | 2014-07-24 | 深圳市华星光电技术有限公司 | Light guiding system, edge-type backlight module and liquid crystal display |
| CN104421747A (en) * | 2013-08-21 | 2015-03-18 | 鸿富锦精密工业（深圳）有限公司 | Light source device |
| CN104658432A (en) * | 2015-03-11 | 2015-05-27 | 京东方科技集团股份有限公司 | Double-faced display device, driving method and electronic equipment |
| CN106249482A (en) * | 2016-10-11 | 2016-12-21 | 京东方科技集团股份有限公司 | Luminescence component, backlight and display device |
| WO2016206127A1 (en) * | 2015-06-24 | 2016-12-29 | 深圳市华星光电技术有限公司 | Backlight unit having high light coupling efficiency |
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| CN102313992B (en) * | 2011-03-25 | 2014-06-04 | 明基电通有限公司 | Light conduction device and backlight device |
| CN102313992A (en) * | 2011-03-25 | 2012-01-11 | 明基电通有限公司 | Light conduction device and backlight device |
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| CN103245899A (en) * | 2012-02-06 | 2013-08-14 | 乐利士实业股份有限公司 | Light source output device |
| CN103245899B (en) * | 2012-02-06 | 2015-11-18 | 乐利士实业股份有限公司 | Light source output device |
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| US9285527B2 (en) | 2013-01-08 | 2016-03-15 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight module |
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| WO2014110835A1 (en) * | 2013-01-15 | 2014-07-24 | 深圳市华星光电技术有限公司 | Light guiding system, edge-type backlight module and liquid crystal display |
| CN104421747A (en) * | 2013-08-21 | 2015-03-18 | 鸿富锦精密工业（深圳）有限公司 | Light source device |
| CN104658432A (en) * | 2015-03-11 | 2015-05-27 | 京东方科技集团股份有限公司 | Double-faced display device, driving method and electronic equipment |
| WO2016141660A1 (en) * | 2015-03-11 | 2016-09-15 | 京东方科技集团股份有限公司 | Double-faced display device, drive method and electronic equipment |
| CN104658432B (en) * | 2015-03-11 | 2017-08-01 | 京东方科技集团股份有限公司 | Double-side display device, driving method and electronic equipment |
| WO2016206127A1 (en) * | 2015-06-24 | 2016-12-29 | 深圳市华星光电技术有限公司 | Backlight unit having high light coupling efficiency |
| US9810831B2 (en) | 2015-06-24 | 2017-11-07 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight unit of high light coupling efficiency |
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