CN110045544B - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN110045544B CN110045544B CN201910261360.XA CN201910261360A CN110045544B CN 110045544 B CN110045544 B CN 110045544B CN 201910261360 A CN201910261360 A CN 201910261360A CN 110045544 B CN110045544 B CN 110045544B
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- backlight module
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- fixing
- supporting member
- optical lens
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- 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
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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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 invention provides a backlight module and a display device, which comprise a substrate, a diffusion plate, a light source and an optical lens, wherein the optical lens comprises a body, a supporting member and fixing legs, the body is provided with a containing cavity, the supporting member is transparent and arranged on a light-emitting surface of the body and used for supporting the diffusion plate, and the fixing legs are used for fixing the optical lens body on the substrate, wherein the arrangement density of the fixing legs in a first area is greater than that of the fixing legs in a second area; the supporting member is arranged in the second area, and projections of the first area and the second area on the substrate are positioned on two opposite sides of the accommodating cavity. The supporting member is transparent and is arranged on the optical lens, light rays cannot be blocked, a shadow cannot be formed on the diffusion plate, and the problem that in the prior art, the supporting column blocks the light rays to leave the shadow on the diffusion plate is solved. Meanwhile, the density of fixing the socles at the opposite side areas of the supporting members is increased, and the risk that the socles are broken due to stress of the supporting members is avoided.
Description
Technical Field
The invention relates to the technical field of display, in particular to a backlight module and a display device.
Background
As shown in fig. 1, in the direct type LED backlight module, a substrate 11 is provided with support columns 12 to support a diffusion plate 13, so as to prevent the diffusion plate 13 from being deformed due to cold and hot expansion and vibration during transportation.
However, the support columns 12 block light from the light source (LED lamp) 14, thereby forming a dark shadow on the diffusion plate 13.
Therefore, the existing backlight module needs to be further optimized.
Disclosure of Invention
The invention provides a backlight module and a display device, which are used for solving the technical problem that a support column in the backlight module in the prior art blocks light to generate a shadow.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a backlight module, which comprises:
a substrate;
a diffusion plate;
a light source disposed on the substrate;
an optical lens including a body formed with a receiving cavity, a support member, and a fixing leg;
the light source is positioned in the accommodating cavity, the supporting member is arranged on the light emergent surface of the body, and the fixing foot posts fix the body on the substrate;
the arrangement density of the fixed socle in the first area is greater than that of the fixed socle in the second area; the supporting member is arranged in a second area, and projections of the first area and the second area on the substrate are positioned on two opposite sides of the accommodating cavity.
In the backlight module of the invention, the number of the fixing legs of the first region is more than that of the fixing legs of the second region.
In the backlight module of the invention, the size of the fixed leg of the first area is larger than that of the fixed leg of the second area.
In the backlight module of the invention, the number of the fixing legs of the first region is more than that of the fixing legs of the second region.
In the backlight module of the present invention, the number of the fixing legs of the first region is equal to the number of the fixing legs of the second region.
In the backlight module of the invention, the number of the fixing legs of the first region is less than that of the fixing legs of the second region.
In the backlight module of the invention, the fixing leg is cylindrical or elliptic cylindrical.
In the backlight module of the invention, the fixing leg is in a frustum pyramid shape.
In the backlight module of the invention, the fixing leg is rectangular.
Meanwhile, the invention provides a display device which comprises a display panel and the backlight module provided by the invention, wherein the display panel is arranged in the light emergent direction of the backlight module.
The invention has the beneficial effects that: the invention provides a backlight module and a display device, wherein a supporting member of the backlight module is transparent and is arranged on an optical lens, the supporting member can not block light, so that a shadow can not be formed on a diffusion plate, and meanwhile, the density of fixing pins in the opposite side area of the supporting member is increased, thereby solving the problem that in the prior art, the shadow is left when a supporting structure is used for light outgoing transmission, and simultaneously, the pins are prevented from being broken due to the stress of the supporting member.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a conventional backlight module;
fig. 2 is a schematic structural diagram of a backlight module according to an embodiment of the invention;
fig. 3 is a first schematic view of a fixing leg according to an embodiment of the invention.
Fig. 4 is a second schematic view of a fixing leg according to an embodiment of the invention.
Detailed Description
While the embodiments and/or examples of the present invention will be described in detail and fully with reference to the specific embodiments thereof, it should be understood that the embodiments and/or examples described below are only a part of the embodiments and/or examples of the present invention and are not intended to limit the scope of the invention. All other embodiments and/or examples, which can be obtained by a person skilled in the art without making any inventive step, based on the embodiments and/or examples of the present invention, belong to the scope of protection of the present invention.
Directional terms used in the present invention, such as [ upper ], [ lower ], [ left ], [ right ], [ front ], [ rear ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terminology is used for the purpose of describing and understanding the invention and is in no way limiting. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
As shown in fig. 1, in a conventional direct type LED backlight module, there is a substrate 11, a support column 12 is disposed on the substrate for supporting a diffusion plate 13, a light source (LED lamp) 14 is disposed on the substrate 11, and an optical lens 15 is wrapped on the LED lamp 14 for turning on the light emitting type of the LED lamp.
The support columns 12 are mainly used for preventing the diffuser plate 13 from deforming due to cold and hot shrinkage expansion and vibration in the transportation process, so that the quality problem is caused or the optical lens 15 is damaged.
However, the support columns 12 block light from the light source (LED lamp) 14, thereby forming a dark shadow on the diffusion plate 13.
Therefore, the prior backlight module has the technical problem that the support columns block light to generate shadows.
Aiming at the technical problem that the existing backlight module has the problem that the supporting columns block light to generate shadows, the invention provides the following embodiments to solve the technical problem.
As shown in fig. 2, the present invention provides a backlight module, which includes a substrate 21, a diffusion plate 22, a light source 23 and an optical lens 24. The optical lens 24 further includes a body 241 formed with a receiving cavity, a supporting member 242, and a fixing leg 243; the light source 23 is located in the accommodating cavity of the optical lens body 241, the supporting member 242 is disposed on the light-emitting surface of the body 241, and the fixing leg 243 fixes the body 241 on the substrate.
In a preferred embodiment of the backlight module of the present invention, at least two transparent supporting members are disposed on the same optical lens body, and the heights of the transparent supporting members are the same.
In this example, one embodiment, the transparent support members are the same in shape and height. The shape of the transparent support member may be cylindrical, conical, or other shape that can be used for support; the height of the transparent support member can be consistent with the height of the cavity, and can also be slightly smaller than the height of the cavity by 1-2 mm.
The stress of each supporting structure can be effectively relieved or dispersed by the supporting members with the same shapes and heights, and the reliability of the system is improved.
In this embodiment, in another embodiment, at least one of the transparent support members has a different shape, but all of the transparent support members have the same height, and the transparent support members may have a cylindrical shape, a conical shape, or other shape that can be used for support.
In this embodiment, one arrangement, the total volume of the transparent support members is the same.
In this embodiment, another arrangement is such that the total volume of the transparent support members is different.
In another preferred embodiment of the backlight module of the present invention, at least two transparent supporting members, a first transparent supporting member and a second transparent supporting member, are disposed on the same optical lens, and the first transparent supporting member and the second transparent supporting member have different heights.
The height of the first transparent support member can be consistent with the height of the cavity, or slightly smaller than the height of the cavity by 1-2mm, and the height of the second transparent support member is lower than the height of the first transparent support member.
According to the difference of the heights of the first transparent supporting member and the second transparent supporting member, the first transparent supporting member and the second transparent supporting member are divided into a main supporting member and an auxiliary supporting member, the transparent supporting member with the higher height is the main supporting member, and the transparent supporting member with the lower height is the auxiliary supporting member.
The main supporting member can effectively play a role in supporting the height of the cavity, and when the main supporting member fails due to environmental or external force factors, the auxiliary supporting member can further play a role in supporting the height of the cavity.
In this example, one embodiment, the shape of the first transparent support member and the shape of the second transparent support member are the same. The shape of the transparent support member may be cylindrical, conical, or other shape that can be used for support.
In this embodiment, in another embodiment, the shape of the transparent support member is different from the shape of the first transparent support member and the shape of the second transparent support member, and the shape of the transparent support member may be a cylinder, a cone, or another shape that can be used for support.
In this embodiment, one arrangement provides that the total volume of the primary support member is greater than the total volume of the secondary support member.
In this embodiment, another arrangement provides that the total volume of the primary support member is less than the total volume of the secondary support member.
In this embodiment, there is a further arrangement wherein the total volume of the primary support member and the total volume of the secondary support member are equal.
In the above two embodiments, the height of the transparent support member is higher than the light-emitting surface of the optical lens, and the shape of the transparent support member is higher than the light-emitting surface of the optical lens.
In the backlight module of the present invention, there may be at least one optical lens on which the transparent support member is not disposed.
In the backlight module of the present invention, there may be at least one optical lens on which only one of the transparent support members is disposed. The height of the transparent supporting member can be in contact with the diffusion plate or 1-2mm lower than the diffusion plate; the shape of the transparent support member may be cylindrical, conical, or other shape that can be used for support.
Because the supporting member is transparent and arranged on the light-emitting surface of the optical lens, the blocking of the supporting columns to light rays in the prior art is greatly reduced, and the technical problem that the light rays are blocked by the supporting columns to generate shadows on the diffusion plate is solved.
However, the transparent supporting member 242 does not completely affect the light emitted from the light source 23, and in order to reduce the influence of the supporting member 242 on the light emitting characteristics of the optical lens 24, the transparent supporting member 242 is disposed at the edge region of the light emitting surface of the optical lens 24.
In the prior art, the design of the optical lens fixing pin column is generally a 3-pin or 4-pin structure. When the transparent supporting member located at the edge of the light-emitting surface of the optical lens is used as a carrying structure and is subjected to an excessive weight of the diffuser plate and the components thereon, the fixing legs of the optical lens on the opposite side of the transparent supporting member may be separated and broken.
Dividing the optical lens into a first area and a second area, wherein the arrangement density of the fixed foot posts in the first area is greater than that in the second area; the supporting member is arranged in a second area, and projections of the first area and the second area on the substrate are positioned on two opposite sides of the accommodating cavity. Through increasing the density that sets up of transparent supporting member offside fixed socle to balanced transparent supporting member goes up pressure and to fixed socle influence, reduces fixed socle fracture/strip risk.
As shown in fig. 3, the 3-pin fixing stilt structure and the 4-pin fixing stilt structure, which are originally symmetrical, are modified into an asymmetrical fixing stilt structure, the transparent supporting member is located in the first area, and at least one fixing stilt is added to the two fixing stilt design structures in the second area corresponding to the first area.
The number of the added fixed socles is not limited to a fixed number, and can be correspondingly adjusted according to a specific preset value. Meanwhile, the repositioning distribution can be carried out on the socles with changed numbers according to the number of the added fixed socles.
Similarly, the size of the added fixing foot pillar is not limited to the size of the original fixing foot pillar, and can be larger than the size of the original fixing foot pillar and smaller than the size of the original fixing foot pillar. The shape of the added fixing leg column can be cylindrical, elliptic cylindrical, prismatic, prismoid and the like.
As shown in fig. 4, the 3-pin fixing leg structure and the 4-pin fixing leg structure, which are originally symmetrical, are modified into an asymmetrical fixing leg structure, the transparent supporting member is located in the first area, and the size of the fixing leg is increased in the second area corresponding to the first area.
The enlarged fixing leg column in the second area can be cylindrical and is enlarged from the original diameter D1 to D2(D2> D1); can also be changed into an elliptic cylinder, the major axis of the ellipse is D2, and the minor axis is D1(D2> D1); the shape of the fixing foot pillar can be a prism, a prismatic table, a cuboid and the like, so that after the size is increased, the pressure of the transparent supporting member in the first area can be effectively balanced, and the risk of foot pillar separation can be more effectively prevented.
The fixed socle that is located the second region when increasing original fixed socle size, can keep the quantity and the position of original fixed socle unchangeable, also can increase the fixed socle quantity in the second region, or reduce the fixed socle quantity in the second region, can also be according to the fixed socle quantity that increases or reduce, carries out relocation distribution to the socle after changing quantity.
Meanwhile, the embodiment of the invention also provides a display device which comprises a display panel and the backlight module provided by the invention, wherein the display panel is arranged in the light emergent direction of the backlight module.
In one embodiment, the display panel comprises a liquid crystal display panel.
According to the above embodiments:
the invention provides a backlight module and a display device, wherein a supporting member is transparent and arranged on an optical lens, the supporting member can not block light, so that a shadow can not be formed on a diffusion plate, and meanwhile, the density of fixing foot posts in the opposite side area of the supporting member is increased, thereby solving the problem that in the prior art, the shadow is left when a supporting structure transmits light, and simultaneously avoiding the foot posts from being broken due to the stress of the supporting member.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (8)
1. A backlight module, comprising:
a substrate;
a diffusion plate;
a light source disposed on the substrate;
an optical lens including a body formed with a receiving cavity, a support member, and a fixing leg;
the light source is positioned in the accommodating cavity, the supporting member is arranged on the light emergent surface of the body, and the fixing foot posts fix the body on the substrate;
the arrangement density of the fixed sockets in the first area is greater than that in the second area, and the size of the fixed sockets in the first area is greater than that in the second area; the supporting member is arranged in a second area, and projections of the first area and the second area on the substrate are positioned on two opposite sides of the accommodating cavity.
2. The backlight module as claimed in claim 1, wherein the number of the fixing legs of the first region is greater than the number of the fixing legs of the second region.
3. The backlight module as claimed in claim 1, wherein the number of the fixing legs of the first region is equal to the number of the fixing legs of the second region.
4. The backlight module as claimed in claim 1, wherein the number of the fixing legs of the first region is less than that of the fixing legs of the second region.
5. The backlight module of claim 1, wherein the fixing leg is cylindrical or elliptical.
6. The backlight module as claimed in claim 1, wherein the fixing leg is shaped like a frustum of a prism.
7. The backlight module as claimed in claim 1, wherein the fixing leg is rectangular.
8. A display device, comprising a display panel and the backlight module as claimed in any one of claims 1 to 7, wherein the display panel is disposed in a light-emitting direction of the backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261360.XA CN110045544B (en) | 2019-04-02 | 2019-04-02 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261360.XA CN110045544B (en) | 2019-04-02 | 2019-04-02 | Backlight module and display device |
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| Publication Number | Publication Date |
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| CN110045544A CN110045544A (en) | 2019-07-23 |
| CN110045544B true CN110045544B (en) | 2022-02-01 |
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| CN201910261360.XA Active CN110045544B (en) | 2019-04-02 | 2019-04-02 | Backlight module and display device |
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| CN (1) | CN110045544B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109613757A (en) * | 2019-01-29 | 2019-04-12 | 惠州市华星光电技术有限公司 | Backlight module |
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| JP2004233828A (en) * | 2003-01-31 | 2004-08-19 | Sanyo Electric Co Ltd | Liquid crystal display |
| CN201054060Y (en) * | 2007-05-14 | 2008-04-30 | 中华映管股份有限公司 | Backlight module |
| 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 |
| CN102472447A (en) * | 2009-07-21 | 2012-05-23 | 夏普株式会社 | Lens unit, light emitting module, illumination device, display device, and television receiving device |
| CN105278160A (en) * | 2015-10-29 | 2016-01-27 | 深圳市华星光电技术有限公司 | Backlight unit, backlight module and display device |
| CN106405928A (en) * | 2015-07-27 | 2017-02-15 | 扬升照明股份有限公司 | Light source module |
| CN109163227A (en) * | 2018-08-31 | 2019-01-08 | 惠州市华星光电技术有限公司 | Down straight aphototropism mode set and light emitting diode matrix |
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2019
- 2019-04-02 CN CN201910261360.XA patent/CN110045544B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004233828A (en) * | 2003-01-31 | 2004-08-19 | Sanyo Electric Co Ltd | Liquid crystal display |
| CN201054060Y (en) * | 2007-05-14 | 2008-04-30 | 中华映管股份有限公司 | Backlight module |
| CN102472447A (en) * | 2009-07-21 | 2012-05-23 | 夏普株式会社 | Lens unit, light emitting module, illumination device, display device, and television receiving device |
| 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 |
| CN106405928A (en) * | 2015-07-27 | 2017-02-15 | 扬升照明股份有限公司 | Light source module |
| CN105278160A (en) * | 2015-10-29 | 2016-01-27 | 深圳市华星光电技术有限公司 | Backlight unit, backlight module and display device |
| CN109163227A (en) * | 2018-08-31 | 2019-01-08 | 惠州市华星光电技术有限公司 | Down straight aphototropism mode set and light emitting diode matrix |
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| CN110045544A (en) | 2019-07-23 |
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