CN109765723A - A kind of light source assembly, side-edge type backlight mould group and display device - Google Patents
A kind of light source assembly, side-edge type backlight mould group and display device Download PDFInfo
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- CN109765723A CN109765723A CN201910185337.7A CN201910185337A CN109765723A CN 109765723 A CN109765723 A CN 109765723A CN 201910185337 A CN201910185337 A CN 201910185337A CN 109765723 A CN109765723 A CN 109765723A
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Abstract
Light source assembly, side-edge type backlight mould group and display device is disclosed herein.Backlight source module includes light guide plate and at least one set of light source group, first and third side of light guide plate is oppositely arranged and in parallel, the second, four sides are oppositely arranged, and bottom surface is that inclined-plane is gradually reduced the thickness of light guide plate since second side along towards the direction of the 4th side；Light source group is arranged in the unilateral or bilateral of light guide plate and is located at corner；The first side of light guide plate and/or third side are by the parallel light transmission of light source group into light guide plate, second side is totally reflected to obtain the first reflected light in a second direction to along the directional light that first direction transmits, bottom surface is totally reflected the first reflected light to obtain the second reflected light along third direction, and the second reflected light is transmitted to outside light guide plate from top surface；Wherein, the first and third direction is respectively the normal direction of first side and top surface, and second direction and the first and third direction are vertical.The backlight source module of this paper can solve the dark space problem of backlight socket.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of light source assembly, side-edge type backlight mould group and show
Showing device.
Background technique
With the continuous development of display technology, LCD (Liquid Crystal Display, liquid crystal display) is shown
Occupy the leading position of display industry.In order to improve the interactive function of product, large scale shows that product is also gradually initially added into
The function of touch-control.
Current existing backlight of LCD is all made of LED (Light Emitting Diode, light emitting diode)
As light source, side-edge type backlight and direct-light-type backlight can be divided into according to the modes of emplacement difference of LED.
As shown in Figure 1, traditional side-edge type backlight, is arranged multiple LED11 at regular intervals in the side of light guide plate 2
The lamp bar of composition.Because LED is point light source, there are certain light emitting angle (conventional LED light emitting angle α=120 °), adjacent LED it
Between there are a fixed spacings, therefore form dark space between every two LED, be easy to cause the lamp shadow (hotspot) of backlight bad etc.
Problem.
As liquid crystal display panel develops towards narrow frame, the light mixing distance of LED is gradually decrease to the limit, causes backlight socket
Dark space problem it is more serious.
Summary of the invention
The embodiment of the present invention provides a kind of light source assembly, side-edge type backlight mould group and display device, is able to solve backlight
The dark space problem of source socket.
According to a first aspect of the present application, the embodiment of the present invention provides a kind of side-edge type backlight mould group, comprising: light guide plate
With at least one set of light source group；
The light guide plate includes top surface, bottom surface, first side, second side, third side and the 4th side, and described first
Side and the third side are oppositely arranged and are parallel to each other, and the second side and the 4th side are oppositely arranged, described
Bottom surface is that an inclined-plane makes the thickness of the light guide plate since the second side along the direction towards the 4th side
It is gradually reduced；
The light source group is arranged in the unilateral or bilateral of the light guide plate 2 and is located at corner, is used for emitting parallel light；
The parallel light transmission that the first side of the light guide plate and/or third side are used to issue light source group is into light guide plate
Interior, the second side of the light guide plate is used to passed in a second direction to being totally reflected along the directional light that first direction transmits
The first defeated reflected light；The bottom surface of the light guide plate is used to be totally reflected to obtain to first reflected light and pass along third direction
The second defeated reflected light, second reflected light are transmitted to outside the light guide plate from the top surface；
Wherein, the first direction is the normal direction of the first side or the third side, the third direction
For the normal direction of the top surface, the second direction and the first direction and the third direction are vertical.
According to a second aspect of the present application, the embodiment of the present invention provides a kind of light source assembly, comprising: light-emitting component and setting
In the lens of the light-emitting component light emission side；
The light-emitting component, for projecting divergent rays as point light source；
Lens, the divergent rays for projecting the light-emitting component are converged as directional light and are projected；
According to the third aspect of the application, the embodiment of the present invention provides a kind of display device, comprising: side-edge type backlight mould
Group and control module；
The side-edge type backlight mould group, for going out light from the top surface of light guide plate or the light that goes out under the control of control module；
The control module, for controlling the light out of the side-edge type backlight mould group and the light that goes out.
Compared with the relevant technologies, light source assembly, side-edge type backlight mould group and display device provided in an embodiment of the present invention,
Side-edge type backlight mould group includes light guide plate and at least one set of light source group, and the first side of light guide plate and third side are oppositely arranged
And be parallel to each other, second side and the 4th side are oppositely arranged, and bottom surface is an inclined-plane, and the thickness of the light guide plate is from second side
Start to be gradually reduced along towards the direction of the 4th side；Unilateral or bilateral and the position of the light guide plate is arranged in the light source group
In corner；The parallel light transmission that the first side of the light guide plate and/or third side are used to issue light source group is into leaded light
In plate, second side is for anti-to being totally reflected transmitted in a second direction first along the directional light that first direction transmits
Penetrate light, bottom surface is used to be totally reflected to obtain to first reflected light the second reflected light along third direction transmission, and described the
Two reflected lights are transmitted to outside the light guide plate from top surface；Wherein, the first direction is the first side or the third side
The normal direction in face, the third direction are the normal direction of the top surface, the second direction and the first direction and institute
It is vertical to state third direction.The technical solution of the embodiment of the present invention, due to parallel rays from the side of light guide plate uniformly and continuously
It is entered in light guide plate every ground, that is, a uniform linear light source, there is no dark spaces caused by LED light mixing, therefore can keep away
Exempt from the dark space problem of socket position.
Detailed description of the invention
Fig. 1 is side-edge type backlight socket in the prior art position LED light mixing dark space schematic diagram；
Fig. 2 is the light source assembly schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the light source assembly emergent light optical simulation schematic diagram of the embodiment of the present invention 1；
Fig. 4 is a kind of side-edge type backlight mould group schematic diagram of the embodiment of the present invention 2；
Fig. 5 is the first micro-structure schematic diagram (micro-structure on side) in the embodiment of the present invention 2；
Fig. 6 is the second micro-structure schematic diagram (micro-structure on bottom surface) in the embodiment of the present invention 2；
For side-edge type backlight mould group schematic diagram a kind of in the embodiment of the present invention 2, (two light source assemblies set up leaded light separately to Fig. 7-a
Plate two sides)；
Fig. 7-b for side-edge type backlight mould group schematic diagram a kind of in the embodiment of the present invention 2, (is leading by two light source assemblies settings
Tabula rasa side)；
Fig. 8 is the display device schematic diagram of the embodiment of the present invention 3；
Fig. 9-a is the schematic diagram that two light source assemblies are lighted in the embodiment of the present invention 3；
Fig. 9-b is the schematic diagram that only first light source component is lighted in the embodiment of the present invention 3；
Fig. 9-c is the schematic diagram that only second light source component is lighted in the embodiment of the present invention 3.
Appended drawing reference
1 light source group；2 light guide plates；
10 light source assemblies；11 light-emitting components；12 lens；
21 guide-lighting plate top surfaces；22 bottom surface of light guide plate；
23 light guide plate first sides；24 light guide plate second sides；25 light guide plate third sides；The 4th side of 26 light guide plate；
First sub- face of 241 light guide plate second sides；Second sub- face of 242 light guide plate second sides；
The incident light of 13 light guide plate second sides；The reflected light of 14 light guide plate second sides；
The transmitted light of 15 guide-lighting plate top surfaces；
The incident light in the first sub- face of 131 light guide plate second sides；The reflection in the first sub- face of 141 light guide plate second sides
Light；The transmitted light of the first area of 151 guide-lighting plate top surfaces；
The incident light in the second sub- face of 132 light guide plate second sides；The reflection in the second sub- face of 142 light guide plate second sides
Light；The transmitted light of the second area of 152 guide-lighting plate top surfaces；
The first micro-structure in 30 light guide plate second sides；
First plane of 301 first micro-structures；Second plane of 302 first micro-structures；
The incident light of 31 first micro-structures；The emergent light of 32 first micro-structures；
The second micro-structure on 40 bottom surface of light guide plate；
The third plane of 401 second micro-structures；The fourth plane of 402 second micro-structures；
The incident light of 41 second micro-structures；The emergent light of 42 second micro-structures；
100 side-edge type backlight mould groups；200 control modules.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature can mutual any combination.
Embodiment 1
As shown in Fig. 2, the embodiment of the invention provides a kind of light source assemblies 10, comprising: light-emitting component 11 and setting are in institute
State the lens 12 of light-emitting component light emission side；
The light-emitting component, for projecting divergent rays as point light source；
Lens, the divergent rays for projecting the light-emitting component are converged as directional light and are projected；
In one embodiment, the light-emitting component is Light-emitting diode LED；
In one embodiment, the lens include plano-convex lens；The planar side of the plano-convex lens is incident side, institute
The convex side for stating plano-convex lens is light emission side；
In one embodiment, the incident side of the lens is contacted with the light emission side of the light-emitting component；
Go out in light optical simulation schematic diagram in attached light source assembly shown in Fig. 3, the divergent rays that LED is issued be (setting LED's
Light emitting angle α is 120 °) it is acted on by the convergence of plano-convex lens, level of approximation direction exports in parallel.
Embodiment 2
As shown in figure 4, the embodiment of the present invention provides a kind of side-edge type backlight mould group, comprising: light guide plate 2 and at least one set
Light source group 1；
The light guide plate 2 includes top surface 21, bottom surface 22, first side 23, second side 24, third side 25 and the 4th side
Face 26, the first side 23 and the third side 25 are oppositely arranged and are parallel to each other, the second side 24 and described
Four sides 26 are oppositely arranged, and the bottom surface 22 is that an inclined-plane makes the thickness of the light guide plate 2 since the second side 24
It is gradually reduced along towards the direction of the 4th side 24；
The light source group 1 is arranged in the unilateral or bilateral of the light guide plate 2 and is located at corner；
The parallel light transmission that the first side 23 of the light guide plate 2 and/or third side 25 are used to issue light source group 1 into
In light guide plate, the second side 24 of the light guide plate 2 to the directional light 13 transmitted along first direction for being totally reflected to obtain
The first reflected light 14 transmitted in a second direction；The bottom surface 22 of the light guide plate is for being all-trans to first reflected light 14
It penetrates to obtain the second reflected light 15 along third direction transmission, second reflected light 15 is transmitted to the light guide plate 2 from top surface 21
Outside；Wherein, the first direction is the normal direction of the first side 23 or the third side 25, and the third direction is
The normal direction of the top surface 21, the second direction and the first direction and the third direction are vertical.
In aforesaid way, as shown in figure 4, light guide plate is all-trans to the directional light along first direction transmission of side incidence
It penetrates and changes optic path direction, become the directional light transmitted in a second direction, the directional light transmitted in a second direction is from light guide plate
Side uniformly and entered in light guide plate without compartment of terrain, that is, a uniform linear light source, there is no LED light mixings to cause
Dark space, therefore can be to avoid the dark space problem of socket position.
Wherein, when the light source group 1 of light guide plate side includes multiple light sources component 10, the multiple light source assembly 10 is along the
The arrangement of two directions；
In one embodiment, as shown in figure 5, multiple first micro-structures 30 are arranged in the second side 24；Described
One micro-structure 30 include the first plane 301 and the second plane 302, first plane 301 and second plane 302 intersection and
In an angle；The incidence angle θ along the directional light 13 of first direction transmission in second plane 302 is 45 degree, is passed through
After the total reflection of second plane 302, become the first reflected light 14 transmitted in a second direction；
In one embodiment, as shown in fig. 6, multiple second micro-structures 40 are arranged in the bottom surface 22, described second is micro-
Structure 40 includes third plane 401 and fourth plane 402, and the third plane 401 and the fourth plane 402 intersect and be in one
Angle；Incidence angle θ of first reflected light 14 transmitted in a second direction in the fourth plane 402 is 45 degree, is passed through
After the total reflection of the fourth plane 402, become the second reflected light 15 along third direction transmission.
Wherein, the critical condition of light guide plate total reflection is: sinC=1/N, wherein N is the refractive index of light guide plate, is generally led
Tabula rasa use PC material, refractive index ≈ 1.58, C=39.3 ° of critical angle；Occur when 39.3 ° of incidence angle > of incident ray complete
Transmitting.When the incidence angle θ of light is 45 degree, incident light and reflected light can be made in an angle of 90 degrees by total reflection.
In one embodiment, multiple ball-type lattice point structures, the ball-type site knot is arranged in the bottom surface of light guide plate 22
Structure is scattered and reflects to the directional light 13 transmitted along first direction, projects light from guide-lighting plate top surface 21.
In one embodiment, the light guide plate 2 has the first length in a first direction, has in a second direction
Second length, first length are less than second length.That is, the first direction is the width side of the light guide plate
To the second direction is the length direction of the light guide plate.
In one embodiment, as shown in Fig. 7-a, when the bilateral of the light guide plate 2 is arranged in the light source group 1,
The second side 24 includes the first sub- face 241 and the second sub- face 242, the first side 23 and the first of the second side
The intersection of sub- face 241 and it is in an acute angle, the first sub- face 241 and the second sub- intersection of face 242 and is in an angle, described second
Intersect with the third side 25 and in an acute angle in the sub- face 242 of the second of side；
In one embodiment, as shown in Fig. 7-b, when the unilateral side of the light guide plate 2 is arranged in the light source group 1,
The second side 24 intersects with the first side 23 and in an acute angle, the second side 24 and 25 phase of third side
It hands over and is in an obtuse angle；Alternatively, the second side 24 intersects with the third side 25 and in an acute angle, the second side 24
Intersect with the first side 23 and in an obtuse angle.
Embodiment 3
As shown in figure 8, the embodiment of the present invention provides a kind of display device, comprising: side-edge type backlight mould group 100 and control
Module 200；
The side-edge type backlight mould group 100, for going out light from the top surface of light guide plate under the control of control module or going out
Light；
The control module 200, for controlling the light out of the side-edge type backlight mould group and the light that goes out.
In one embodiment, the control module is for controlling the side-edge type backlight mould group according to light guide plate top
The different subregions in face carry out out light and the light that goes out.
When control module control the side-edge type backlight mould group according to the different subregions of guide-lighting plate top surface carry out out light and
Go out light when, the flexibility of display can be increased.The display device applications are in VR (Virtual Reality, virtual reality)/AR
When in (Augmented Reality, augmented reality) field, backlight is closed within liquid crystal flip-flop transition, makes the overturning of liquid crystal
State is not experienced by human eye, is lighted in the final time of every frame, display is completed, to solve the spinning sensation of VR/AR.
As shown in Fig. 9-a, side-edge type backlight mould group 100 includes two light source assemblies 10, and first light source component includes hair
Optical element LED11 and lens 12, second light source component include light-emitting component LED11 and lens 12.
The scattering light that the light-emitting component of first light source component issues is directional light first from light guide plate by lens convergence
(including the long side on the left of the light guide plate) glancing incidence of side 23 into light guide plate, incident light 131 light guide plate second side
It is totally reflected at first micro-structure in one sub- face 241, changes transmission direction, become the directional light 141 transmitted in a second direction,
Directional light 141 is totally reflected at the second micro-structure of bottom surface 22, changes transmission direction, is become along the flat of third direction transmission
Row light 151, the directional light 151 are transmitted to outside the light guide plate from the first area of top surface 21.
The scattering light that the light-emitting component of second light source component issues is third of the directional light from light guide plate by lens convergence
(including the long side on the right side of the light guide plate) glancing incidence of side 25 into light guide plate, incident light 132 light guide plate second side
It is totally reflected at first micro-structure in two sub- faces 242, changes transmission direction, become the directional light 142 transmitted in a second direction,
Directional light 142 is totally reflected at the second micro-structure of bottom surface 22, changes transmission direction, is become along the flat of third direction transmission
Row light 152, the directional light 152 are transmitted to outside the light guide plate from the second area of top surface 21.
As shown in Fig. 9-a, when control module, which controls first light source component and second light source component, goes out light, light guide plate top
Two subregions (left and right) in face are lighted.Left subregion is emitted directional light 151 from guide-lighting plate top surface, and right subregion is from guide-lighting plate top surface
It is emitted directional light 152.
As shown in Fig. 9-b, when control module control first light source component goes out light, when second light source component does not go out light, leaded light
The left subregion of plate top surface is lighted, and right subregion is not lighted.Only left subregion is emitted directional light 151 from guide-lighting plate top surface.
As shown in Fig. 9-c, when control module control first light source component does not go out light, when second light source component goes out light, leaded light
The right subregion of plate top surface is lighted, and left subregion is not lighted.Only right subregion is emitted directional light 152 from guide-lighting plate top surface.
When multi-section display, the directional light of guide-lighting plate top surface outgoing can guarantee two subregions it is bright secretly compare it is bright
Aobvious, subregion line of demarcation understands.The width ratio of light guide plate or so subregion can need to be adjusted according to display, left in the present embodiment
The width ratio in right region is 1:1.
It should be noted that the invention may also have other embodiments, without departing substantially from spirit of that invention and its essence
In the case of, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these are corresponding
Change and modification all should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. a kind of side-edge type backlight mould group, comprising: light guide plate and at least one set of light source group；
The light guide plate includes top surface, bottom surface, first side, second side, third side and the 4th side, the first side
It is oppositely arranged and is parallel to each other with the third side, the second side and the 4th side are oppositely arranged, the bottom surface
For an inclined-plane make the thickness of the light guide plate since the second side along the direction towards the 4th side gradually
Reduce；
The light source group is arranged in the unilateral or bilateral of the light guide plate 2 and is located at corner, is used for emitting parallel light；
The parallel light transmission that the first side of the light guide plate and/or third side are used to issue light source group into light guide plate,
The second side of the light guide plate is used to transmitted in a second direction to being totally reflected along the directional light that first direction transmits
The first reflected light；The bottom surface of the light guide plate is used to be totally reflected to obtain to first reflected light and transmit along third direction
The second reflected light, second reflected light is transmitted to outside the light guide plate from the top surface；
Wherein, the first direction is the normal direction of the first side or the third side, and the third direction is institute
The normal direction of top surface is stated, the second direction and the first direction and the third direction are vertical.
2. backlight source module as described in claim 1, it is characterised in that:
The light source group includes at least one light source assembly；When the light source group that the light guide plate side is arranged in includes multiple light sources
When component, the multiple light source assembly arranges in a second direction；
The light source assembly includes: light-emitting component and the lens that the light-emitting component light emission side is arranged in；
The light-emitting component, for projecting divergent rays as point light source；
Lens, the divergent rays for projecting the light-emitting component are converged as directional light and are projected.
3. backlight source module as described in claim 1, it is characterised in that:
Multiple first micro-structures are arranged in the second side；First micro-structure includes the first plane and the second plane, described
First plane and second plane intersect and are in an angle；
The incidence angle θ along the directional light of first direction transmission in second plane is 45 degree, flat by described second
After the total reflection in face, become the first reflected light transmitted in a second direction.
4. backlight source module as described in claim 1, it is characterised in that:
Multiple second micro-structures are arranged in the bottom surface, and second micro-structure includes third plane and fourth plane, the third
Plane and the fourth plane intersect and are in an angle；
Incidence angle θ of first reflected light transmitted in a second direction in the fourth plane is 45 degree, by described the
After quadriplanar total reflection, become the second reflected light along third direction transmission.
5. backlight source module as described in claim 1, it is characterised in that:
When the bilateral of the light guide plate is arranged in the light source group, the second side includes the first sub- face and the second sub- face,
The first side intersects with the first sub- face of the second side and in an acute angle, the first sub- face and the second sub- face
Intersect and be in an angle, the sub- face of the second of the second side intersects with the third side and in an acute angle.
6. backlight source module as described in claim 1, it is characterised in that:
When the unilateral side of the light guide plate is arranged in the light source group, the second side intersects with the first side and in one
Acute angle, the second side intersect with the third side and in an obtuse angles；Alternatively, the second side and the third side
Intersect and be in an acute angle, the second side intersects with the first side and in an obtuse angle.
7. a kind of light source assembly, comprising: light-emitting component and the lens that the light-emitting component light emission side is arranged in；
The light-emitting component, for projecting divergent rays as point light source；
Lens, the divergent rays for projecting the light-emitting component are converged as directional light and are projected.
8. light source assembly as claimed in claim 7, it is characterised in that:
The lens include plano-convex lens；The planar side of the plano-convex lens is contacted with the light-emitting component, is incident side, described
The convex side of plano-convex lens is light emission side.
9. a kind of display device, comprising: side-edge type backlight mould group described in any one of the claims 1-6 and control mould
Block；
The side-edge type backlight mould group, for going out light from the top surface of light guide plate or the light that goes out under the control of control module；
The control module, for controlling the light out of the side-edge type backlight mould group and the light that goes out.
10. display device as claimed in claim 9, it is characterised in that:
The control module carries out out light according to the different subregions of guide-lighting plate top surface for controlling the side-edge type backlight mould group
With the light that goes out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910185337.7A CN109765723A (en) | 2019-03-12 | 2019-03-12 | A kind of light source assembly, side-edge type backlight mould group and display device |
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| CN201910185337.7A CN109765723A (en) | 2019-03-12 | 2019-03-12 | A kind of light source assembly, side-edge type backlight mould group and display device |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020041479A (en) * | 2000-11-28 | 2002-06-03 | 유순재 | Back-light source module of liquid crystal display |
| CN1407384A (en) * | 2001-09-05 | 2003-04-02 | 三星电子株式会社 | Illuminating device and reflective liquid crystal display device utilizing it |
| CN1862335A (en) * | 2005-05-13 | 2006-11-15 | 清华大学 | Backlight module |
| CN1908768A (en) * | 2005-08-04 | 2007-02-07 | 京东方显示器科技公司 | Backlight assembly of liquid crystal display |
| US20080232133A1 (en) * | 2007-03-23 | 2008-09-25 | Victor Company Of Japan, Limited | Lighting device and display device |
| CN101743510A (en) * | 2007-07-17 | 2010-06-16 | 松下电器产业株式会社 | Liquid crystal backlight device and liquid crystal display |
| CN202992930U (en) * | 2012-12-31 | 2013-06-12 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| CN103542332A (en) * | 2013-10-28 | 2014-01-29 | 惠州Tcl移动通信有限公司 | Cellphone and edge-in backlight module |
| CN103775920A (en) * | 2014-01-29 | 2014-05-07 | 京东方科技集团股份有限公司 | Scanning type backlight module and display device |
| CN105954926A (en) * | 2016-06-08 | 2016-09-21 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN106195766A (en) * | 2016-07-12 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight, display device and control method thereof |
| CN206892507U (en) * | 2017-06-15 | 2018-01-16 | 苏州向隆塑胶有限公司 | Side entrance back module and display |
-
2019
- 2019-03-12 CN CN201910185337.7A patent/CN109765723A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020041479A (en) * | 2000-11-28 | 2002-06-03 | 유순재 | Back-light source module of liquid crystal display |
| CN1407384A (en) * | 2001-09-05 | 2003-04-02 | 三星电子株式会社 | Illuminating device and reflective liquid crystal display device utilizing it |
| CN1862335A (en) * | 2005-05-13 | 2006-11-15 | 清华大学 | Backlight module |
| CN1908768A (en) * | 2005-08-04 | 2007-02-07 | 京东方显示器科技公司 | Backlight assembly of liquid crystal display |
| US20080232133A1 (en) * | 2007-03-23 | 2008-09-25 | Victor Company Of Japan, Limited | Lighting device and display device |
| CN101743510A (en) * | 2007-07-17 | 2010-06-16 | 松下电器产业株式会社 | Liquid crystal backlight device and liquid crystal display |
| CN202992930U (en) * | 2012-12-31 | 2013-06-12 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
| CN103542332A (en) * | 2013-10-28 | 2014-01-29 | 惠州Tcl移动通信有限公司 | Cellphone and edge-in backlight module |
| CN103775920A (en) * | 2014-01-29 | 2014-05-07 | 京东方科技集团股份有限公司 | Scanning type backlight module and display device |
| CN105954926A (en) * | 2016-06-08 | 2016-09-21 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN106195766A (en) * | 2016-07-12 | 2016-12-07 | 京东方科技集团股份有限公司 | A kind of backlight, display device and control method thereof |
| CN206892507U (en) * | 2017-06-15 | 2018-01-16 | 苏州向隆塑胶有限公司 | Side entrance back module and display |
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Application publication date: 20190517 |