CN102072439A - Light source module and backlight device - Google Patents
Light source module and backlight device Download PDFInfo
- Publication number
- CN102072439A CN102072439A CN2010105368261A CN201010536826A CN102072439A CN 102072439 A CN102072439 A CN 102072439A CN 2010105368261 A CN2010105368261 A CN 2010105368261A CN 201010536826 A CN201010536826 A CN 201010536826A CN 102072439 A CN102072439 A CN 102072439A
- Authority
- CN
- China
- Prior art keywords
- emitting diode
- light emitting
- light
- light source
- colourity
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a light source module which is applicable for a backlight device. The light source module comprises a plurality of light source groups, wherein each light source group comprises at least one first light-emitting diode of a first chromaticity under a first wavelength scope and at least one second light-emitting diode of a second chromaticity under a second wavelength scope, and the chromaticity of mixed light rays respectively emitted from the first light-emitting diode and the second light-emitting diode, which pass through an optical glass component group, is identical to the chromaticity of the light rays from the light-emitting diode of an intermediate chromaticity under the first wavelength scope or the light rays from the light-emitting diode of the intermediate chromaticity under the second wavelength scope after passing through the optical glass component group. By virtue of the light source module, the utilization rate of the selected light-emitting diode can be improved and the cost is effectively reduced.
Description
Technical field
The invention relates to a kind of light source module and back lighting device, particularly relevant for a kind of light source module and back lighting device that improves the light emitting diode utilization rate.
Background technology
(Liquid Crystal Display LCD) comprises that back lighting device and liquid crystal panel that back light, glue frame and diffuser plate etc. constitute reach preceding frame assembling and the Liquid Crystal Module of formation to liquid crystal indicator.Because the low-power consumption of light emitting diode, not mercurous characteristic, (Cold Cathode Fluorescent Lamp CCFL) was promptly replaced by light emitting diode (LED) more for the back light of the liquid crystal indicator cathode fluorescent tubes that adopt in the past.
At present, adopt the display of light emitting diode, all light emitting diode is arranged on and forms a light source module (Lightbar) on PCB or the flexible PCB as light source.And for the light emitting diode in the light source module, can screen in order to light emitting diode finished product of LED with a predetermined specification and classify volume production, the performance indications of usually light emitting diode being classified comprise: the brightness of light emitting diode, colourity, wavelength or forward voltage etc., and then light emitting diode carried out classification.The panel manufacturer can select to be sorted in the light emitting diode in a certain main colourity rank (bin) usually; the light source that the previous light emitting diode that only meets the colourity specification just can be applicable to; other light emitting diode of all the other gamut of chromaticities just can't be used; therefore, it is too small to cause the light emitting diode quantity of selected use to account for the ratio of volume production total amount.
As shown in Figure 1, Fig. 1 is the sorting colourity rank figure of light emitting diode.Wherein A3 is the white light colourity rank of demand, and the color that A1 and A2 present is blue partially than the demand white light, and the color that A4 and A5 present is yellow partially than the white light of demand.In order to improve the utilization rate of light emitting diode, select the complementary mutually light emitting diode of colourity colourity that rank presents, and it is arranged on the same light source module with mixing, to blend the whole luminescent chromaticity of an expection.For instance, for each light emitting diode of producing in batches out 32 of more efficient application, it is the light emitting diode of A5 that adjacent light emitting diode can be selected colourity rank A1 and colourity rank respectively for use, or select the light emitting diode of colourity rank A2 and colourity rank A4 respectively for use, make that the mixed colourity rank of adjacent two light emitting diodes is A3.But, because the light emitting diode of volume production each time, the colourity rank of output is not a symmetry, the output quantity of light emitting diode that is to say the light emitting diode of colourity rank A1 and colourity rank A5 is unequal, the output quantity of the light emitting diode of the light emitting diode of colourity rank A2 and colourity rank A4 is unequal, therefore causes the light emitting diode of producing each time to be fully used.
Therefore, be necessary to provide a kind of light source module and back lighting device, to solve the existing in prior technology problem.
Summary of the invention
One of purpose of the present invention is to provide a kind of light source module, and it utilizes at the colourity rank (COLOR BIN) of light emitting diode and is configured.
For reaching aforementioned purpose of the present invention, the invention provides a kind of light source module, described light source module comprises a plurality of light source groups, described light source group comprises second light emitting diode of second colourity under first light emitting diode of first colourity under at least one first wave-length coverage and at least one second wave-length coverage, and the light that described first light emitting diode sends mixes the light that the light emitting diode through colourity after the optical glass device group and the middle colourity under first wave-length coverage sends with the light that described second light emitting diode sends, or second the light that sends of the light emitting diode of middle colourity under the wave-length coverage identical through the colourity after the described optical glass device group.
Two of purpose of the present invention is to provide a kind of side entrance back device, this side entrance back device comprises a light source module, described light source module comprises a plurality of light source groups, described light source group comprises second light emitting diode of second colourity under first light emitting diode of first colourity under at least one first wave-length coverage and at least one second wave-length coverage, and the light that described first light emitting diode sends mixes the light that the light emitting diode through colourity after the optical glass device group and the middle colourity under first wave-length coverage sends with the light that described second light emitting diode sends, or second the light that sends of the light emitting diode of middle colourity under the wave-length coverage identical after through the colourity behind the described optical glass device.
Three of purpose of the present invention is to provide a kind of downward back electro-optical device, this downward back electro-optical device comprises a light source module, described light source module comprises a plurality of light source groups, described light source group comprises second light emitting diode of second colourity under first light emitting diode of first colourity under at least one first wave-length coverage and at least one second wave-length coverage, and the light that described first light emitting diode sends mixes the light that the light emitting diode through colourity after the optical glass device group and the middle colourity under first wave-length coverage sends with the light that described second light emitting diode sends, or second the light that sends of the light emitting diode of middle colourity under the wave-length coverage identical after through the colourity after the described optical glass device group.
According to the light source module of made of the present invention and the back lighting device that adopts light source module of the present invention, not only can improve the utilization rate of the light emitting diode that back lighting device need adopt, and no longer be subject to as prior art, must select one group of light emitting diode of same rank (bin) for use, can improve effectively when making back lighting device and light source module, the utilization rate of the light emitting diode that adopts reduces cost.
Description of drawings
Fig. 1 is the sorting colourity rank figure of traditional light emitting diode.
Fig. 2 is the sorting colourity rank figure of light emitting diode of the present invention.
Fig. 3 is the schematic diagram of the light source module of first embodiment of the invention.
Fig. 4 is the schematic diagram of the light source module of second embodiment of the invention.
Fig. 5 is the schematic diagram of the light source module of third embodiment of the invention.
Fig. 6 is the schematic diagram of the light source module of fourth embodiment of the invention.
Fig. 7 is the schematic diagram of the light source module of fifth embodiment of the invention.
Fig. 8 is the schematic diagram of the light source module of sixth embodiment of the invention.
Fig. 9 is a side entrance back schematic representation of apparatus of the present invention.
Figure 10 is a direct-type backlight schematic representation of apparatus of the present invention.
The specific embodiment
For allowing above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment of the present invention cited below particularly, and conjunction with figs. are described in detail below:
Please refer to Fig. 2, Fig. 2 is the sorting colourity rank figure of light emitting diode of the present invention.The light emitting diode of arbitrary batch process can be distinguished the colourity rank of various grades after the sorting of chromatic value specification.For instance, the first wave-length coverage Wp1 of first group of light emitting diode is about 440-445nm, the second wave-length coverage Wp2 of second group of light emitting diode is about 445-451nm, wherein A1-A5 distributes for the colourity rank under the wave-length coverage Wp1, and B1-B5 is that wave-length coverage is the colourity rank distribution under the Wp2.Because the metamerism phenomenon, even under the same colourity, the wavelength spectral line that emits beam of light emitting diode is still variant slightly.For instance, finally show identical colourity for making liquid crystal indicator, light emitting diode need be A3 in the white point colourity under the first wave-length coverage Wp1; White point colourity under the second wave-length coverage Wp2 is B3.Generally speaking, each wave-length coverage Wp1, Wp2 are middle colourity in the colourity rank (for example A3 and B3) in centre position, and the luminescent chromaticity that this centre colourity is presented is essentially white light.Be as the criterion with A3 or B3 and then more and more be partial to blue light (cool colour light), then more and more be partial to ruddiness (warm colour light) towards the colourity of direction shown in the arrow D towards the colourity of direction shown in the arrow C.
See also Fig. 2 and Fig. 3, Fig. 3 is the schematic diagram of the light source module 30a of first embodiment of the invention.Light source module 30a is made up of a plurality of light source groups 301 and a plurality of light source group 301 is arranged on the circuit substrate 40.For each light emitting diode of producing in batches out of more efficient application, when the light emitting diode of producing in batches is respectively first group of light emitting diode and second group of light emitting diode, wherein first group of light emitting diode is that first wave-length coverage Wp1 (for example 440-445nm) and the colourity rank under wave-length coverage Wp1 are distributed as A1-A5; The second wave-length coverage Wp2 (for example 445-451nm) of second group of light emitting diode and the colourity rank under the wave-length coverage Wp2 are distributed as B1-B5.Each light source group 301 comprises two light emitting diodes 321,322, and light emitting diode 321,322 is staggered one to one.Light emitting diode 321,322 select the light emitting diode of colourity rank A1 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B5 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A2 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B4 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A4 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B2 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A5 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B1 of second group of light emitting diode (wave-length coverage Wp2) respectively for use.It is identical that light that light emitting diode 321,322 after the combinations thereof sends mixes the colourity that light through the light emitting diode of the light of the middle colourity light emitting diode A3 under the colourity after the optical glass device group and first wave-length coverage or the middle colourity B3 under second wave-length coverage passes through behind the described optical glass device.
See also Fig. 2 and Fig. 4, Fig. 4 is the schematic diagram of the light source module 30b of second embodiment of the invention.Be different from previous embodiment, light source module 30b is made up of a plurality of light source groups 302 and a plurality of light source group 302 is arranged on the circuit substrate 40.Each light source group 302 comprises two light emitting diodes 321 and two light emitting diodes 322, and two light emitting diodes 321 and two light emitting diodes 322 are two pairs two and are staggered.Light emitting diode 321 and light emitting diode 322 are selected the light emitting diode of colourity rank A1 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B5 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A2 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B4 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A4 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B2 of second group of light emitting diode (wave-length coverage Wp2) respectively for use, or select the light emitting diode of colourity rank A5 in first group of light emitting diode (wave-length coverage Wp1) and the light emitting diode of the middle colourity rank B1 of second group of light emitting diode (wave-length coverage Wp2) respectively for use.It is identical that light that light emitting diode 321,322 after the combinations thereof sends mixes the colourity that light through the light emitting diode of the light of the middle colourity light emitting diode A3 under the colourity after the optical glass device group and first wave-length coverage or the middle colourity B3 under second wave-length coverage passes through behind the described optical glass device.
See also Fig. 2 and Fig. 5, Fig. 5 is the schematic diagram of the light source module 30c of third embodiment of the invention.Light source module 30c is made up of a plurality of light source groups 303 and a plurality of light source group 303 is arranged on the circuit substrate 40.Each light source group 303 comprises one first light emitting diode 321, one second light emitting diode 322 and one the 3rd light emitting diode 323.Light emitting diode 321 is identical with previous embodiment with the mode that light emitting diode 322 is selected for use, does not give unnecessary details in addition at this.The 3rd light emitting diode 323 then is to select the light emitting diode of colourity rank A3 in first group of light emitting diode (wave-length coverage Wp1) or the light emitting diode of the middle colourity rank B3 of second group of light emitting diode (wave-length coverage Wp2) for use.The colourity of passing through behind the described optical glass device through the light of the light emitting diode of the light of the middle colourity light emitting diode A3 under the colourity after the optical glass device group and first wave-length coverage or the middle colourity B3 under second wave-length coverage after thus, the light that sends of the light emitting diode after the combinations thereof 321,322,323 mixes is identical.The ordering of light emitting diode 321,322,323 does not exceed with shown in Figure 5, and for example, light emitting diode 323 also can come between the light emitting diode 321,322.
Fig. 6 is the schematic diagram of the light source module 30d of fourth embodiment of the invention.Light source module 30d is made up of a plurality of light source groups 501 and a plurality of light source group 501 is arranged on the circuit substrate 50.Light source group 501 comprises first light emitting diode 321 and second light emitting diode 322, and light emitting diode 321,322 selections and arrangement mode and embodiment shown in Figure 3 are identical, do not give unnecessary details in addition at this.
Fig. 7 is the schematic diagram of the light source module 30e of fifth embodiment of the invention.Light source module 30e is made up of a plurality of light source groups 502 and a plurality of light source group 502 is arranged on the circuit substrate 50.Light source group 502 comprises two first light emitting diodes 321 and two second light emitting diodes 322, and light emitting diode 321,322 selections and arrangement mode and embodiment shown in Figure 4 are identical, do not give unnecessary details in addition at this.
Fig. 8 is the schematic diagram of the light source module 30f of sixth embodiment of the invention.The light source module 30f of Fig. 8 is made up of a plurality of light source groups 503 and a plurality of light source group 503 is arranged on the circuit substrate 50.Light source group 503 comprises first light emitting diode 321, second light emitting diode 322 and the 3rd light emitting diode 323, and light emitting diode 321,322,323 selections and arrangement mode and embodiment shown in Figure 5 are identical, do not give unnecessary details in addition at this.
Fig. 6- light source module 30d, 30e, 30f shown in Figure 8 can also be merged and be formed by a plurality of Fig. 3-30a, 30b, 30c shown in Figure 5.In addition, Fig. 3-light emitting diode 321,322,323 shown in Figure 8 is arranged on soft printed circuit board or the circuit substrates 40,50 such as rigid printed circuit board (PCB) or metal substrate.
The foregoing description, be colourity with target light be white light as an illustration.In other embodiments, also can be optionally with the light of different wave length for example blue light, ruddiness, green glow etc. as the light of target colourity.Then again the light emitting diode of volume production is complied with the light emitting diode that its corresponding wavelength scope is divided into the different wavelength range more than two groups, from the light emitting diode more than two groups, respectively selecting a light emitting diode to be mixed into the light source group of the light that meets target colourity at last.
Please refer to Fig. 9, Fig. 9 is the schematic diagram that light source module 30 of the present invention is applied to side entrance back device 100.Light source module 30 is to be selected from one of them of light source module 30a-30f.Side entrance back device 100 comprises LGP 20 and light source module 30.Light source module 30 is arranged on four sides of LGP 20, is used for sending the light of specific target colourity.In the present embodiment, light source module 30 is arranged on four sides of LGP 20, and in other embodiments, light source module 30 also can be provided with by arbitrary side of LGP 20, appoint by other or wantonly three sides, two sides.LGP 20 can be plane, broached-tooth design face in the face of the incidence surface 201 of light source module 30, or has a plurality of concave surfaces or a plurality of convex surface.
Please refer to Figure 10, Figure 10 is the schematic diagram that light source module 30 of the present invention is applied to downward back electro-optical device 200.LED backlight device 200 comprises LGP 20 and light source module 30.Light source module 30 is to be selected from one of them of light source module 30a-30f.Light source module 30 is arranged on the bottom of LED backlight device 200, LGP 20 overlapping being arranged on the light source module 30.LGP 20 can be plane, broached-tooth design face in the face of the incidence surface of light source module 30, or has a plurality of concave surfaces or a plurality of convex surface.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that disclosed embodiment does not limit the scope of the invention.On the contrary, being contained in the spirit of claims and the modification and impartial setting of scope is included in the scope of the present invention.
Claims (10)
1. light source module, it is characterized in that, described light source module comprises a plurality of light source groups, described light source group comprises second light emitting diode of second colourity under first light emitting diode of first colourity under at least one first wave-length coverage and at least one second wave-length coverage, and the light that described first light emitting diode sends mixes the light through colourity after the optical glass device group and the middle colourity light emitting diode under first wave-length coverage with the light that described second light emitting diode sends, or second the light of light emitting diode of middle colourity under the wave-length coverage identical through the colourity behind the described optical glass device.
2. light supply apparatus as claimed in claim 1 is characterized in that: described first light emitting diode and described second light emitting diode of each light source group are to be staggered one to one.
3. light source module as claimed in claim 1 is characterized in that: each light source group comprises two first light emitting diodes and two second light emitting diodes, and described first light emitting diode and described second light emitting diode are two pairs two and are staggered.
4. light source module as claimed in claim 1, it is characterized in that: each light source group further comprises one the 3rd light emitting diode, described the 3rd light emitting diode is to be selected from the light emitting diode that meets described middle colourity under described first wave-length coverage, or is selected from the light emitting diode that meets described middle colourity under described second wave-length coverage.
5. as claim 2,3 or 4 described light source modules, it is characterized in that: described light source module is strip.
6. as claim 2,3 or 4 described light source modules, it is characterized in that: described light source module is block.
7. light source module as claimed in claim 1 is characterized in that: the light of colourity is white light in the middle of described.
8. light source module as claimed in claim 1 is characterized in that: it is identical that the colourity of light through producing after the optical glass device group that described a plurality of light source groups are sent is passed through the colourity that produces after the optical glass device group with the light that the light emitting diode of described centre colourity sends.
9. side entrance back device, it is characterized in that: described side entrance back device comprises as the described light source module of arbitrary claim in the claim 1 to 8.
10. downward back electro-optical device, it is characterized in that: described downward back electro-optical device comprises as the described light source module of arbitrary claim in the claim 1 to 8.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105368261A CN102072439B (en) | 2010-11-05 | 2010-11-05 | Light source module and backlight device |
| PCT/CN2010/079152 WO2012058829A1 (en) | 2010-11-05 | 2010-11-26 | Light source module and backlight device |
| US12/997,904 US20120113681A1 (en) | 2010-11-05 | 2010-11-26 | Lightbar module and backlight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105368261A CN102072439B (en) | 2010-11-05 | 2010-11-05 | Light source module and backlight device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102072439A true CN102072439A (en) | 2011-05-25 |
| CN102072439B CN102072439B (en) | 2012-11-21 |
Family
ID=44031095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105368261A Active CN102072439B (en) | 2010-11-05 | 2010-11-05 | Light source module and backlight device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102072439B (en) |
| WO (1) | WO2012058829A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133939A (en) * | 2011-11-30 | 2013-06-05 | 展晶科技(深圳)有限公司 | Light source structure of backlight module |
| CN104914623A (en) * | 2015-06-19 | 2015-09-16 | 深圳市华星光电技术有限公司 | Light-emitting unit and backlight source with light-emitting units |
| JP2017108184A (en) * | 2012-01-31 | 2017-06-15 | シャープ株式会社 | Backlight and liquid crystal display device |
| CN110308589A (en) * | 2019-06-28 | 2019-10-08 | 上海天马微电子有限公司 | Manufacturing method of light-emitting device, backlight module and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040090161A1 (en) * | 2002-09-26 | 2004-05-13 | Citizen Electronics Co., Ltd. | Method for manufacturing a light emitting device |
| CN101206345A (en) * | 2007-12-13 | 2008-06-25 | 友达光电股份有限公司 | Backlight module with complementary concolores light source and manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8018427B2 (en) * | 2006-04-28 | 2011-09-13 | Sharp Kabushiki Kaisha | Illumination device and liquid crystal display device provided therewith |
| JP2008281976A (en) * | 2007-04-09 | 2008-11-20 | M & S Fine Tec Kk | Backlight for liquid crystal display device |
| CN101464593B (en) * | 2007-12-19 | 2010-10-27 | 上海天马微电子有限公司 | Light source device and liquid crystal display device using the same |
| CN101363577B (en) * | 2008-09-25 | 2011-05-04 | 友达光电股份有限公司 | Backlight module using combined light source module and method for manufacturing same |
| CN101806415A (en) * | 2010-03-08 | 2010-08-18 | 友达光电股份有限公司 | Photoelectric device, display and backlight module |
-
2010
- 2010-11-05 CN CN2010105368261A patent/CN102072439B/en active Active
- 2010-11-26 WO PCT/CN2010/079152 patent/WO2012058829A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040090161A1 (en) * | 2002-09-26 | 2004-05-13 | Citizen Electronics Co., Ltd. | Method for manufacturing a light emitting device |
| CN101206345A (en) * | 2007-12-13 | 2008-06-25 | 友达光电股份有限公司 | Backlight module with complementary concolores light source and manufacturing method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133939A (en) * | 2011-11-30 | 2013-06-05 | 展晶科技(深圳)有限公司 | Light source structure of backlight module |
| CN103133939B (en) * | 2011-11-30 | 2015-02-04 | 展晶科技(深圳)有限公司 | Light source structure of backlight module |
| JP2017108184A (en) * | 2012-01-31 | 2017-06-15 | シャープ株式会社 | Backlight and liquid crystal display device |
| CN104914623A (en) * | 2015-06-19 | 2015-09-16 | 深圳市华星光电技术有限公司 | Light-emitting unit and backlight source with light-emitting units |
| WO2016201779A1 (en) * | 2015-06-19 | 2016-12-22 | 深圳市华星光电技术有限公司 | Light-emitting unit and backlight source provided with light-emitting unit |
| US10437100B2 (en) | 2015-06-19 | 2019-10-08 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light emitting unit and backlight having the same |
| CN110308589A (en) * | 2019-06-28 | 2019-10-08 | 上海天马微电子有限公司 | Manufacturing method of light-emitting device, backlight module and display device |
| CN110308589B (en) * | 2019-06-28 | 2023-05-05 | 上海天马微电子有限公司 | Manufacturing method of light-emitting device, backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102072439B (en) | 2012-11-21 |
| WO2012058829A1 (en) | 2012-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1897073B (en) | Light source apparatus and display apparatus | |
| KR101109377B1 (en) | Led backlight for display systems | |
| US6508564B1 (en) | Surface light source device and adjusting method of chromaticity thereof | |
| JP4350138B2 (en) | Edge type backlight unit | |
| US7510288B2 (en) | Display device using external light | |
| US8267542B2 (en) | Apparatus and methods for selecting light emitters | |
| CN104880860B (en) | Backlight assembly and the liquid crystal display including backlight assembly | |
| CN100541286C (en) | Optical display | |
| CN101622494A (en) | Light emitting element and liquid crystal display device | |
| JP2010528432A (en) | White light backlight using color LED light source efficiently and similar products | |
| CN101334138A (en) | Mini lightbar illuminators for LCD displays | |
| WO2005028950A1 (en) | Backlight device and liquid crystal display | |
| US20070115648A1 (en) | Light source structure of backlight module | |
| CN102620193A (en) | Sectional light emitting diode (LED) backlight module and liquid crystal display device | |
| CN105301836A (en) | Direct-lit type backlight module and display device | |
| CN101639185A (en) | LED backlight module | |
| CN104360537A (en) | Direct type backlight module and display device | |
| CN101903699B (en) | Apparatus and methods for selecting light emitters for a transmissive display | |
| CN102072439B (en) | Light source module and backlight device | |
| CN102810288A (en) | Backlight assembly and display apparatus including the same | |
| US20120057102A1 (en) | Backlight module | |
| US8118443B2 (en) | Display apparatus and light source device used in the display apparatus | |
| CN101338877B (en) | Luminous diode array and backlight module group | |
| CN101676598A (en) | backlight and LCD | |
| US8610843B2 (en) | Backlight module and liquid crystal display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Light source module and backlight device Effective date of registration: 20190426 Granted publication date: 20121121 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Shenzhen Huaxing Optoelectronic Technology Co., Ltd. Registration number: 2019440020032 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201016 Granted publication date: 20121121 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: Shenzhen China Star Optoelectronics Technology Co.,Ltd. Registration number: 2019440020032 |