CN108267894A - Backlight module and display - Google Patents
Backlight module and display Download PDFInfo
- Publication number
- CN108267894A CN108267894A CN201810097396.4A CN201810097396A CN108267894A CN 108267894 A CN108267894 A CN 108267894A CN 201810097396 A CN201810097396 A CN 201810097396A CN 108267894 A CN108267894 A CN 108267894A
- Authority
- CN
- China
- Prior art keywords
- lamp source
- backlight module
- lamp
- source group
- plate
- 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
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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
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- 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)
Abstract
The present invention provides a kind of backlight module, including backboard, diffuser plate and several lamp bars, the backboard includes bottom plate and the side plate positioned at the bottom plate opposite sides, the diffuser plate lid closes the side plate and forms a backlight cavities, several described lamp bars are contained in the backlight cavities and on the bottom plates, every lamp bar includes two lamp source groups, two lamp source group spacing side by side settings, and two lamp source group independent controls, and when a lamp source group is extinguished, another described lamp source group is lighted.When the present invention solves the lamp source damage of backlight module, the technical issues of maintenance cost caused by can only being repaired by the pattern manually replaced is higher.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of backlight module and display.
Background technology
Liquid crystal display device (LCD, Liquid Crystal Display) has that fuselage is thin, power saving, radiationless etc. numerous
Advantage is widely used.Liquid crystal display device on existing market is largely backlight liquid crystal display device, packet
Include liquid crystal display panel and backlight module (backlight module).The operation principle of liquid crystal display panel is in the parallel glass base of two panels
It places liquid crystal molecule in plate, there are many tiny electric wire vertically and horizontally on two panels glass substrate, controls whether by being powered
Liquid crystal molecule processed changes direction, and the light of backlight module is reflected generation picture.Since liquid crystal display panel does not shine in itself, need
The light source to be provided by backlight module normally shows image, and therefore, backlight module becomes the key zero of liquid crystal display device
One of component.Due to the difference of backlight module use environment, the service life of backlight module LED is also different.However current backlight
When the module LED service life is too short or individual defects occurs, it can only be repaired, be substantially increased by the pattern manually replaced
Maintenance cost.
Invention content
The purpose of the present invention is to provide a kind of backlight module and display, during solving the damage of the lamp source of backlight module,
The technical issues of maintenance cost caused by can only being repaired by the pattern manually replaced is higher.
The present invention provides a kind of backlight module, including backboard, diffuser plate and several lamp bars, the backboard include bottom plate with
And the side plate positioned at the bottom plate opposite sides, the diffuser plate lid close the side plate and form a backlight cavities, several described lamp bars
It is contained in the backlight cavities and on the bottom plate, every lamp bar includes two lamp source groups, two lamp source groups
Spacing side by side is set, and two lamp source group independent controls, and when a lamp source group is extinguished, another described lamp source
Group is lighted.
Wherein, two lamp source groups automatically switch or two lamp source groups are pressed default sequential and switched.
Wherein, the brightness of two lamp source groups is consistent with chromaticity range.
Wherein, each lamp source group is connected with brightness controller.
Wherein, several described lamp bars equidistantly arrange, and the lamp source of the same lamp source group is located in every lamp bar
Equidistantly arrangement.
Wherein, the distance between the diffuser plate plate and the bottom plate are 8-40mm on vertical direction.
Wherein, each lamp source is equipped with lens, and the spacing between the adjacent lens of each two is 2-15mm.
Wherein, the bottom plate is in be more than or equal to 45 degree of angles to set with the side plate.
Wherein, the backlight module further includes reflector plate and optical diaphragm group, and the lamp bar is further included set on the bottom plate
On circuit board, two lamp sources are assembled on the circuit board, and the reflector plate includes the loaded on the back plate surface
One reflection sheet body and the second reflection sheet body between the lens and the circuit board, the first reflection sheet body and institute
It states the second reflection sheet body to be connected, the optical diaphragm group is laminated on the diffuser plate.
The present invention provides a kind of display, including above-mentioned backlight module.
In conclusion two lamp source groups of the present invention switch into the light in the backlight cavities, and then described
One of which in two lamp source groups be damaged extinguishing when, lamp source group is alternative lights for another, eliminates people
Replacement and Repair of the work to the backlight module, and then reduce maintenance cost, while improve the service life of the backlight module.And
When improving in the service life of the backlight module, the research and development to the backlight module can be reduced, reduce R&D costs.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of backlight module provided in an embodiment of the present invention.
Fig. 2 is the overlooking the structure diagram of lamp bar in Fig. 1.
Fig. 3 is the structure diagram that lamp source is provide with lens in Fig. 1.
Fig. 4 is the inner plane structure diagram of optical diaphragm group in Fig. 1.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of backlight module, including backboard 10, diffuser plate 20 and several lamp bars 30, institute
It states backboard 10 and includes bottom plate 101 and the side plate 102 positioned at 101 opposite sides of bottom plate, the diffuser plate 20 is covered described in conjunction
Side plate 102 forms a backlight cavities 40, several described lamp bars 30 are contained in the backlight cavities 40 and on the bottom plate 101,
Every lamp bar 30 includes first lamp source group 301 and second lamp source group 302, first lamp source group 301 with it is described
Second 302 spacing side by side of lamp source group setting, and first lamp source group 301 and the independent control of second lamp source group 302
System, and when a lamp source group in first lamp source group 301 or second lamp source group 302 is extinguished, another lamp
Source group is lighted.In the present embodiment, the lamp source in first lamp source group 301 or second lamp source group 302 is LED
Lamp.The first lamp source group 301 or second lamp source group 302 of the present invention switches into the light in the backlight cavities 40
Line, and then one of lamp source group in first group of lamp source 301 and second group of lamp source 302 is damaged extinguishing
When, lamp source group is alternative lights for another, eliminates the Replacement and Repair manually to the backlight module, and then reduce dimension
Cost is protected, while improves the service life of the backlight module.And it when improving in the service life of the backlight module, can reduce to described
The research and development of backlight module, reduce R&D costs.
Specifically, when one of lamp source group hair in first lamp source group 301 or second lamp source group 302
When raw damage is extinguished, another described lamp source group can be opened individually, and then always with the presence of light in the backlight cavities 40, always
There is light that can be emitted to the external world, meet the optical requirement of the backlight module.First lamp source group 301 with described second
The setting of 302 spacing side by side of lamp source group realizes not to be occurred between first lamp source group 301 and second lamp source group 302
Interference, and then one of lamp source group installation in first lamp source group 301 or second lamp source group 302 is replaced
When, another lamp source group is not interfered with, meets the taste requirement of the backlight module.
The present invention realizes two by the independent control of first lamp source group 301 or second lamp source group 302
One of lamp source group in a lamp source group be damaged extinguishing when, another alternative damage of lamp source group it is described
Lamp source group eliminates the Replacement and Repair manually to the backlight module, and then reduces maintenance cost, while improves the back of the body
The service life of optical mode group.And when improving in the service life of the backlight module, the research and development to the backlight module can be reduced, reduces and grinds
Send out cost.
In the present embodiment, first lamp source group 301 automatically switches with second lamp source group 302.Specifically,
In normal state, one of lamp source group of first lamp source group 301 or second lamp source group 302 is kept it turned on
State, another lamp source group remain off;When one of lamp source group in two lamp source groups is damaged extinguishing
When, it is closed in the lamp source group that normal condition is kept it turned on, in another described lamp source group that normal condition remains turned-off certainly
It is dynamic to open, you can to keep always with the presence of light in the backlight cavities 40, the light can be emitted to the external world, realize the back of the body
The intelligence of optical mode group.
In other embodiments of the invention, first lamp source group 301 is pressed default with second lamp source group 302
Sequential switches.Specifically, first lamp source group 301 and second lamp source group can be set according to the default sequential
302 switching time, a lamp source group point in first lamp source group 301 and second lamp source group 302
When the bright time reaches the switching time, the lamp source group lighted is extinguished, another described lamp source group switching is lighted, such as
It is 5 minutes, one in first lamp source group 301 and second lamp source group 302 that the switching time, which can be set,
When the time that the lamp source group is lighted reaches 5 minutes, the lamp source group lighted is extinguished, another described lamp source group switching point
It is bright.When first lamp source group 301 not only can be according to default switching by default sequential switching with second lamp source group 302
Between switch the illuminating state of first lamp source group 301 and second lamp source group 302, and then keep the backlight cavities 40
In always with the presence of light, the light can be emitted to the external world, realize the intelligence of the backlight module.Due to described first
A lamp source group 301 and the 302 single working time of second lamp source group are shorter, therefore the LED light in two lamp source groups
Chip temperature improves less within the single working time, and then the chip temperature of the LED light in two lamp source groups is relatively low,
It is achieved thereby that improving the service life of two lamp source groups, and then improve the service life of the backlight module.
First lamp source group 301 is consistent with chromaticity range with the brightness of second lamp source group 302.Specifically,
In first lamp source group 301 and second lamp source group, 302 handoff procedure, due to first lamp source group 301
It is consistent with chromaticity range with the brightness of second lamp source group 302, the brightness of the light in the backlight cavities 40 and
The coloration of light will not vary widely, so the backlight module brightness and coloration will not change, go out
The brightness and coloration for being mapped to ambient will not change, and the optical brightness of the backlight module is not had an impact.
First lamp source group 301 is connected with the first brightness controller (not shown), second lamp source group
302 are connected with the second brightness controller (not shown), and first brightness controller controls first lamp source group 301
Brightness, second brightness controller controls the brightness of second lamp source group 302.Specifically, when the backlight module
When different use environments needs different brightness, first brightness controller controls first lamp source group 301
To adapt to different use environments, second brightness controller controls the brightness of second lamp source group 302 with suitable for brightness
Different use environments is answered, and then realize the backlight module can satisfy the use demand in different use environments.
Referring to Fig. 2, in the present embodiment, several described lamp bars 30 equidistantly arrange, described in every lamp bar 30
The lamp source of first lamp source group 301 equidistantly arranges, second lamp source group 302 described in every lamp bar 30 it is described
Lamp source equidistantly arranges.Specifically, the spacing between the lamp source in first lamp source group 301 is equal, described second
The spacing between the lamp source in a lamp source group 302 is equal.The lamp source spaced set in same group realizes described
The uniform light of lamp source is irradiated on the diffuser plate 20, improves the uniformity of the light in the backlight module, and then is gone out
Extraneous uniform light is mapped to, ensure that the quality of the backlight module.
Referring to Fig. 3, in each lamp source in first lamp source group 301 and second lamp source group 302
Equipped with lens 70, the spacing between the adjacent lens 70 is 2-15mm, and the lens 70 are used to dissipate the light of the lamp source.
In the present embodiment, the lens 70 are refraction type lens.Each lens 70 are provide with a lamp source, the lamp source hair
The light gone out is irradiated on the diffuser plate 20, and be emitted to the external world after the lens 70 refraction in bat diffusion type.Diffusion
The light of shape realizes the uniformity for improving the light in the backlight cavities 40, and is conducive to the thin of the backlight module
Type ensure that the quality of the backlight module.
Please continue to refer to Fig. 1, the backlight module further includes reflector plate 50 and optical diaphragm group 60, and the lamp bar 30 is also wrapped
First circuit board 303 and second circuit board 304 on the bottom plate 101 are included, first lamp source group 301 is loaded on described
On first circuit board 303, loaded on the second circuit board 304, the reflector plate 50 includes being loaded on the second lamp source group 302
The first of 10 surface of backboard reflects sheet body 501 and set on the lens 70 and the first circuit board 303, described second
The second reflection sheet body 502 between circuit board 304, the first reflection sheet body 501 are connected with the described second reflection sheet body 502
It connects, the optical diaphragm group 60 is laminated on the diffuser plate 20.Specifically, the backboard 10 does not install the first circuit board
303 are equipped with the described first reflection sheet body 501, the lens 70 and the described first electricity with the region of the second circuit board 304
The described second reflection sheet body 502, the first reflection sheet body are equipped in region between road plate 303, the second circuit board 304
501 are used for the light being emitted onto on the reflector plate 50 to reflect into the backlight cavities 40 with the described second reflection sheet body 502
In, improve the utilization rate of the light.
In the present embodiment, the backboard 10 includes bottom plate 101 and the side plate positioned at 101 opposite sides of bottom plate
102, the bottom plate 101 is in be more than or equal to 45 degree of angles to set with side plate 102, and then is fitted in described anti-on the side plate 102
It penetrates formed acute angle between piece 50 and the reflector plate 50 being fitted on the bottom plate 101 and is more than or equal to 45 degree.The side plate
Formed acute angle is more than or equal to 45 degree in fact between the reflector plate 50 on the reflector plate 50 and the bottom plate 101 on 102
Showed be irradiated to the reflector plate 50 light reflected by the reflector plate 50 after, leaned on the intermediate region to the diffuser plate 20
Hold together, further improve the utilization rate of the light.
The distance between the diffuser plate 20 and the bottom plate 101 are 8-40mm on vertical direction.Specifically, the diffusion
Plate 20 is towards the surface of the backlight cavities 40 and the bottom plate 101 towards the distance between the surface of the backlight cavities 40 8-
40mm.The distance between the diffuser plate 20 and the bottom plate 101 realize the lamp in the different lamp bars 30 for 8-40mm
The light that source is sent out can cover the diffuser plate 20 comprehensively, and then realize the light for improving and being irradiated to the diffuser plate 20
The uniformity is conducive to the slimming of the backlight module, ensure that the quality of the backlight module.Further, the diffusion
The distance between plate 20 and the bottom plate 101 are 8-40mm, can be to set the distance between described lamp bar 30 and setting every
The distance between lamp source described in one lamp source group provides foundation.
Referring to Fig. 4, in the present embodiment, the optical diaphragm group 60 includes the first prismatic lens being cascading
601st, the second prismatic lens 602 and diffusion sheet 603, first prismatic lens 601 are set on the diffuser plate 20, first rib
Eyeglass 601 is used to enhance the intensity across the light of the diffuser plate 20, and then improve the back of the body with second prismatic lens 602
The brightness of optical mode group;The diffusion sheet 603 is used to diffuse through the light of second prismatic lens 602, and then makes to be emitted to outer
The uniform light on boundary.Therefore the optical diaphragm group 60 is used to enhance the light of the lamp source, and the light for making the lamp source
Uniformly.In this application, add lustre to and the purpose of uniform light as long as can reach the optical diaphragm group 60, the optical diaphragm
The ingredient of group 60 does not limit.
The present invention also provides a kind of display, including above-mentioned backlight module.The display of the present invention is realized when described
One of lamp source group in backlight module be damaged extinguishing when, another described lamp source group can automatically switch substitute lights,
The Replacement and Repair manually to the backlight module are eliminated, and then reduce maintenance cost, while improve the backlight module
Service life.And when the backlight module service life improve when, the research and development to the backlight module can be reduced, reduce research and development into
This.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and will according to right of the present invention
Made equivalent variations are sought, still falls within and invents covered range.
Claims (10)
1. a kind of backlight module, which is characterized in that including backboard, diffuser plate and several lamp bars, the backboard include bottom plate with
And the side plate positioned at the bottom plate opposite sides, the diffuser plate lid close the side plate and form a backlight cavities, several described lamp bars
It is contained in the backlight cavities and on the bottom plate, every lamp bar includes two lamp source groups, two lamp source groups
Spacing side by side is set, and two lamp source group independent controls, and when a lamp source group is extinguished, another described lamp source
Group is lighted.
2. backlight module according to claim 1, which is characterized in that two lamp source groups automatically switch or described in two
Lamp source group is pressed default sequential and is switched.
3. backlight module according to claim 2, which is characterized in that the brightness of two lamp source groups and chromaticity range one
It causes.
4. backlight module according to claim 3, which is characterized in that each lamp source group is connected with brightness controller.
5. backlight module according to claim 4, which is characterized in that several described lamp bars equidistantly arrange, described in every
Lamp source in lamp bar positioned at the same lamp source group equidistantly arranges.
6. backlight module according to claim 5, which is characterized in that the diffuser plate plate and the bottom plate on vertical direction
The distance between be 8-40mm.
7. backlight module according to claim 6, which is characterized in that each lamp source is equipped with lens, each two phase
Spacing between the adjacent lens is 2-15mm.
8. backlight module according to claim 7, which is characterized in that the bottom plate is in be more than or equal to 45 degree with the side plate
Angle is set.
9. backlight module according to claim 8, which is characterized in that the backlight module further includes reflector plate and optical film
Piece group, the lamp bar further include the circuit board on the bottom plate, and two lamp sources are assembled on the circuit board, described
Reflector plate includes the first reflection sheet body loaded on the back plate surface and the between the lens and the circuit board
Two reflection sheet bodies, the first reflection sheet body are connected with the described second reflection sheet body, and the optical diaphragm group is laminated in described
On diffuser plate.
10. a kind of display, which is characterized in that including claim 1-9 any one of them backlight modules.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810097396.4A CN108267894A (en) | 2018-01-31 | 2018-01-31 | Backlight module and display |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810097396.4A CN108267894A (en) | 2018-01-31 | 2018-01-31 | Backlight module and display |
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Publication Number | Publication Date |
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CN108267894A true CN108267894A (en) | 2018-07-10 |
Family
ID=62777058
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CN201810097396.4A Pending CN108267894A (en) | 2018-01-31 | 2018-01-31 | Backlight module and display |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109862294A (en) * | 2019-03-29 | 2019-06-07 | 深圳创维-Rgb电子有限公司 | A kind of backlight module reflection slice mounting structure and its installation method |
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CN102252226A (en) * | 2011-04-14 | 2011-11-23 | 深圳市华星光电技术有限公司 | Light-emitting diode (LED) component and LED light string adopting same |
CN202216110U (en) * | 2011-09-07 | 2012-05-09 | 北京京东方光电科技有限公司 | Bottom lighting type backlight device and display device |
CN205450514U (en) * | 2016-03-22 | 2016-08-10 | 乐视致新电子科技(天津)有限公司 | Backlight module and display equipment |
CN107357086A (en) * | 2017-08-15 | 2017-11-17 | 环球智达科技(北京)有限公司 | Down straight aphototropism mode set |
CN107422531A (en) * | 2017-08-14 | 2017-12-01 | 深圳创维-Rgb电子有限公司 | Mix incident type backlight module and liquid crystal display device |
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CN102252226A (en) * | 2011-04-14 | 2011-11-23 | 深圳市华星光电技术有限公司 | Light-emitting diode (LED) component and LED light string adopting same |
CN202216110U (en) * | 2011-09-07 | 2012-05-09 | 北京京东方光电科技有限公司 | Bottom lighting type backlight device and display device |
CN205450514U (en) * | 2016-03-22 | 2016-08-10 | 乐视致新电子科技(天津)有限公司 | Backlight module and display equipment |
CN107422531A (en) * | 2017-08-14 | 2017-12-01 | 深圳创维-Rgb电子有限公司 | Mix incident type backlight module and liquid crystal display device |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109862294A (en) * | 2019-03-29 | 2019-06-07 | 深圳创维-Rgb电子有限公司 | A kind of backlight module reflection slice mounting structure and its installation method |
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Application publication date: 20180710 |