CN107340639B - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN107340639B CN107340639B CN201710707970.9A CN201710707970A CN107340639B CN 107340639 B CN107340639 B CN 107340639B CN 201710707970 A CN201710707970 A CN 201710707970A CN 107340639 B CN107340639 B CN 107340639B
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- Prior art keywords
- light
- annular
- light guide
- frame
- guide plate
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- 239000003292 glue Substances 0.000 claims abstract description 42
- 239000012788 optical film Substances 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims 1
- 238000003475 lamination Methods 0.000 claims 1
- 239000003086 colorant Substances 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 8
- 230000001070 adhesive effect Effects 0.000 description 8
- 238000005034 decoration Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight module, which comprises a lower glue frame, a reflecting sheet, a light guide plate, an optical film, a light-emitting component and a glue applying frame, wherein the lower glue frame and the glue applying frame are symmetrically buckled at the center to form an accommodating space for accommodating the reflecting sheet, the light guide plate, the optical film and the light-emitting component which are symmetrically stacked at the center, the light-emitting component is arranged at the inner side of the light guide plate, and the inner side wall of the lower glue frame and the outer side wall of the glue applying frame are enclosed to form a display area which is used for displaying an annular light source. The backlight module is characterized in that the hollow annular lower glue frame, the reflecting plate, the light guide plate, the optical film, the light-emitting component and the glue coating frame are arranged in a central symmetry mode, the light-emitting component is arranged on the inner side of the light guide plate and can uniformly display annular light sources with the same color or different colors, the volume of the backlight module can be reduced, the material of the light-emitting component is saved, and the cost is reduced.
Description
Technical Field
The invention relates to the technical field of display, in particular to a backlight module and a display device.
Background
The geometrical appearance of the existing backlight module is usually rectangle or square, and the basic principle of the backlight module is that light emitted by a point light source or a linear light source arranged at one side of the backlight module forms a surface light source which uniformly emits light outwards under the action of a light guide plate, a reflecting film and an optical film group.
However, as the display market increasingly pursues diversification, customization and individuation, it is more and more important how to realize diversification and individuation of a backlight module which is an important component of a liquid crystal display module or a backlight module directly used for illumination.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a backlight module capable of uniformly displaying annular light sources with the same color or different colors and a display device.
The technical effects to be achieved by the invention are realized by the following scheme: the utility model provides a backlight unit, backlight unit is including being annular gluey frame down, reflector plate, light guide plate, optical film, luminous subassembly and rubberizing frame, gluey frame down and rubberizing frame central symmetry lock are used for holding reflector plate, light guide plate, optical film and the luminous subassembly that central symmetry range upon range of setting with constituting an accommodation space, luminous subassembly sets up the inboard at the light guide plate, the inside wall of gluey frame down encloses with the lateral wall of rubberizing frame and closes and form the display area, the display area is used for showing annular light source.
Preferably, the light emitting assembly includes an annular body and a lead-out terminal led out from an inner side of the body.
Preferably, the light emitting assembly further comprises at least one pair of symmetrical LED lamps arrayed on the end face of the body, and light emitting ends of the LED lamps are respectively arranged towards the outer side of the light emitting assembly and the corresponding light guide plate.
Preferably, the lower glue frame comprises an annular first bottom plate and a first side plate which is bent and extended upwards from the outer end surface of the first bottom plate, the inner end surface of the first bottom plate is bent and extended upwards to form a second annular boss, an annular accommodating groove is formed by the second annular boss, the first side plate and the upper end surface of the first bottom plate, and the annular accommodating groove is used for accommodating the reflecting plate, the light guide plate and the optical film which are arranged in a stacked manner from bottom to top.
Preferably, the rubberizing frame comprises an annular second bottom plate and a second side plate which is bent and extended upwards from the outer end surface of the second bottom plate, and the lower rubberizing frame is fixedly connected with the rubberizing frame through a buckle mechanism.
Preferably, the reflecting sheet, the light guide plate and the optical film are arranged close to the first side plate, the light guide plate comprises an inner end face serving as a light inlet face and an upper end face serving as a light outlet face, the optical film is arranged on the light outlet face of the light guide plate, clamping grooves with the same number as that of the LED lamps are further formed in one side, facing the annular accommodating groove, of the second annular boss, the LED lamps are arranged close to the second annular boss and in the clamping grooves, and the light outlet ends of the LED lamps correspond to the light inlet face of the light guide plate.
Preferably, the body of the light-emitting component is arranged above the LED lamp, the upper end face of the body is bonded with the second bottom plate of the rubberizing frame, the light-emitting component is formed above the second annular boss, the leading-out end is LED out from the hollow area in the lower rubberizing frame, and the lower end face of the body is bonded with the second annular boss.
Preferably, the light emitting component is in a regular hexagon shape, and each side is correspondingly provided with an LED lamp; correspondingly, the hollow shapes of the lower glue frame, the reflecting plate, the light guide plate, the optical film and the glue applying frame are also regular hexagons.
Preferably, the display area is in a circular ring shape or a polygonal ring shape.
A display device comprises the backlight module.
The invention has the following advantages:
1. the backlight module is characterized in that a hollow annular lower glue frame, a reflecting sheet, a light guide plate, an optical film, a light-emitting component and a glue coating frame which are arranged in a central symmetry manner are adopted to display annular light sources with the same color or different colors;
2. the light-emitting component is hollow and annular and is arranged on the inner side of the annular light guide plate, so that the material of the light-emitting component can be effectively saved, the volume of the light-emitting component is reduced, and the light rays in the light guide plate can be uniformly displayed.
Drawings
FIG. 1 is an exploded view of a backlight module according to the present invention;
FIG. 2 is a top view of the backlight module of the present invention;
FIG. 3 is a cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic diagram of a light emitting device in a backlight module according to the present invention;
FIG. 5 is a perspective view of a lower frame of the backlight module according to the present invention;
FIG. 6 is a schematic cross-sectional view of a lower frame of the backlight module of the present invention;
FIG. 7 is a perspective view of a glue applying frame in the backlight module of the invention;
FIG. 8 is a schematic cross-sectional view of the adhesive dispenser of the backlight module of the present invention;
FIG. 9 is a top view of a backlight module according to another embodiment of the invention;
FIG. 10 is a top view of a backlight module according to another embodiment of the invention;
fig. 11 is a top view of another embodiment of the backlight module of fig. 9.
Detailed Description
The present invention will be described in detail below with reference to the drawings and examples for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present invention and for simplification of the description, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.
Referring to fig. 1-3, the backlight module provided by the invention can be applied to a touch annular display device or a touch liquid crystal annular display device with a touch function, and can also be applied to an annular display device without a touch function. The backlight module comprises a lower glue frame 100, a reflecting sheet 200, a light guide plate 300, an optical film 400, a light-emitting component 500 and a glue applying frame 600 which are hollow annular. The lower glue frame 100 and the upper glue frame 600 are fastened in a central symmetry manner to form an accommodating space for accommodating the reflective sheet 200, the light guide plate 300, the optical film 400 and the light emitting component 500 which are arranged in a central symmetry manner, and the light emitting component 500 is arranged at the inner side of the light guide plate 300 to provide incident light for the light guide plate 300. The light guide plate 300 is used to convert light emitted from the light emitting assembly 500 into planar light. The reflecting sheet 200 is used to reflect the light incident on the bottom surface of the light guide plate 300 back into the light guide plate 300 for reuse. The optical film 400 is used to make the light emitted from the light guide plate 300 more uniform, and it should be understood that the optical film 400 is not limited to one layer, and two or more layers may be selected as needed to make the light more uniformly displayed.
The inner space of the lower glue frame 100 is larger than the whole upper glue frame 600, when the lower glue frame 100 and the upper glue frame 600 are fastened in a central symmetry manner, the inner side wall of the lower glue frame 100 and the outer side wall of the upper glue frame 600 enclose to form a display area 700, and the display area 700 is used for displaying an annular light source. By adopting the structure, the backlight module disclosed by the invention can display the annular light source with uniform light, and has a compact structure and a thinner structure.
Referring to fig. 4, the invention further discloses a light emitting assembly 500, wherein the light emitting assembly 500 includes a hollow annular body 510 and a lead-out end 520 led out from the inner side of the body 510, and the lead-out end 520 is preferably formed integrally with the body 510, but is not limited thereto. The lighting assembly 500 further includes at least one pair of symmetrical LED lamps 530 arrayed on an end surface of the body 510, and each of the LED lamps 530 is soldered to the body 510 through a pair of pads 540 having a certain distance. The light emitting ends of the LED lamps 530 face the outside of the light emitting assembly 500, respectively, and are disposed corresponding to the light guide plate 300, so that the light guide plate 300 can receive the light emitted from the LED lamps 530. The LED-out terminal 520 is connected to a main board (not shown) of the display device, and turns on the circuit to make the LED lamp 530 emit light, thereby providing a backlight source for the display device.
In the present invention, the lead-out terminal 520 may be led out from the main body 510 in a straight line, or as shown in fig. 4, the lead-out terminal 520 may be disposed around the inside of the main body 510, so as to effectively use the internal space of the FPC main body 510. Compared with the typesetting of the light emitting assembly in the prior art, the light emitting assembly 500 provided by the embodiment can improve the material utilization rate by about 40% under the condition that the typesetting materials are the same in size, further save materials and reduce the volume of the light emitting assembly.
It should be noted that, by arranging the plurality of LED lamps 530 in a symmetrical array, the backlight module can obtain better uniformity and consistency. It is understood that the LED lamps 530 may be arranged in an asymmetric row, for example, the LED lamps 530 are arranged in a section of the body 510 or in several sections of the body 510, so as to obtain a backlight module with other different light intensity distributions.
Referring to fig. 5-6, the lower glue frame 100 includes a hollow annular first bottom plate 110 and a first side plate 120 bent and extended upward from an outer end surface of the first bottom plate 110, a first annular boss 130 extends upward in a bending region of the first bottom plate 110 and the first side plate 120, an inner end surface of the first bottom plate 110 is bent and extended upward to form a second annular boss 140, an annular accommodating groove 150 is formed by the first annular boss 130, the second annular boss 140 and an upper end surface of the first bottom plate, and the annular accommodating groove 150 is used for accommodating the reflective sheet 200, the light guide plate 300 and the optical film 400 which are stacked from bottom to top. It should be understood that the first annular boss 130 may or may not be provided, and the purpose of the first annular boss 130 is to adhere a layer of annular light shielding sheet, where the light shielding sheet may solve the problem of bright line on the edge of the light guide plate 300. When the first annular boss 130 is not provided, the housing of the backlight module may be configured to block the edge of the light guide plate 300, and also solve the problem of bright line at the edge of the light guide plate 300.
In addition, a third annular boss 141 extends upward from the second annular boss 140 near the hollow side, the third annular boss 141 is disposed away from the lead-out end 520, and the third annular boss 141 is used for supporting the glue applying frame 600.
Referring to fig. 7-8, the glue rack 600 includes a hollow annular second bottom plate 610 and a second side plate 620 bent and extended upward from an outer end surface of the second bottom plate 610. The hollow end surfaces of the lower and upper glue frames 100 and 600 are further provided with at least one fastening mechanism extending downward, and the fastening mechanism is preferably but not limited to at least one fastening member 630 extending downward from the inner end surface of the second bottom plate 610 and avoiding the lead-out end 520, and the fastening member 630 is provided with a through hole 631. Corresponding to the through hole 631, as shown in fig. 6, a protrusion 170 extends toward the center of the inner end surface of the lower adhesive frame 100, and the protrusion 170 is fastened to the through hole 631 to fix the lower adhesive frame 100 to the upper adhesive frame 600.
Referring to fig. 3 to 8, the reflective sheet 200, the light guide plate 300 and the optical film 400 are disposed close to the first annular boss 130 or close to the first side plate 120 when the first annular boss 130 is not disposed, the light guide plate 300 includes an inner end surface as a light incident surface and an upper end surface as a light emergent surface, and the optical film 400 is disposed on the light emergent surface of the light guide plate 300. The second annular boss 140 is further provided with a number of slots 160 equal to the number of the LED lamps 530 toward the annular accommodating slot 150, the LED lamps 530 are close to the second annular boss 140 and are disposed in the slots 160, and the light emitting ends of the LED lamps 530 correspond to the light incident surface of the light guide plate 300. Referring to the enlarged view of fig. 3, the body 510 of the light emitting assembly 500 is above the LED lamp 530, and the upper end surface of the body 510 is adhered to the glue frame 600. The light emitting assembly 500 is formed above the second annular boss 140, and the lead-out terminal 520 is led out from the hollow region inside the lower frame 100. Preferably, the lower end surface of the body 510 is adhered to the second annular boss 140 to further firmly fix the upper and lower frames 600 and 100. Through setting up the annular inboard with the light emitting component 500 at light guide plate 300, compare the outside with the light emitting component setting at the light guide plate in the prior art, can effectively reduce backlight unit's volume, the arrangement of the LED lamp 530 of being convenient for, required LED lamp 530 is also less, practices thrift the cost, makes the product have more competitive advantage. The light emitting component is arranged on the outer side of the light guide plate, light rays are intensively displayed when entering the central area of the light guide plate from the outer side, uneven brightness display is easy to generate, and the problem of uneven brightness can be effectively solved by the arrangement of the light emitting component 500, so that the light rays can be uniformly displayed.
As can be seen from fig. 3, the total height of the reflective sheet 200, the light guide plate 300 and the optical film 400 is not higher than the height of the first annular boss 130, and the height of the third annular boss 141 is greater than the thickness of the body of the light emitting assembly 500, so that the lower adhesive frame 100 and the upper adhesive frame can be firmly buckled and bonded to further stabilize the entire backlight module. The area of the reflecting sheet 200 is slightly smaller than the area of the lower end surface of the light guide plate 300.
Referring to fig. 9, as a further improvement, the LED lamps 530 can be driven in series or in parallel by different circuits to emit light with different colors, for example, three colors of red, yellow and blue or adjacent light with different colors is mixed into other colors, so that the color displayed in the display area 700 is more colorful and can be used as light decoration.
As another improvement, the light emitting assembly 500 according to the embodiment of the present invention is in a regular hexagon shape, and each side is correspondingly provided with an LED lamp. The hollow shapes of the lower adhesive frame 100, the reflective sheet 200, the light guide plate 300, the optical film 400, and the upper adhesive frame 600 are also correspondingly arranged in a regular hexagon shape, but the present invention is not limited thereto, and other hollow annular symmetrical shapes or asymmetrical shapes may be adopted as long as the annular light source can be realized.
The display area 700 formed by the lower frame 100 and the upper frame 600 according to the embodiment of the present invention is not limited to a circular annular groove, but may be a polygonal annular display groove or other curved annular display grooves as shown in fig. 10, and the display area may be realized only by setting the inner side of the first side plate 120 or the inner side of the first annular boss 130 and the outer side of the second side plate 620 to different curved shapes.
Therefore, as a further improvement, please refer to fig. 11, which shows regular hexagonal annular display grooves of different colors.
The invention also provides a display device comprising the backlight module, wherein the backlight module is used for providing hollow annular light for the display device. The display device can select hollow annular light sources with different shapes and different colors according to the needs of customers.
The specific product type of the display device is not limited, and the display device can be applied to a display product of a smart watch or a smart bracelet with a display screen or other annular displays such as home decoration articles.
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present invention and are not intended to limit the embodiments of the present invention, and although the embodiments of the present invention have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present invention may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present invention.
Claims (4)
1. The backlight module is characterized by comprising a hollow annular lower glue frame, a reflecting sheet, a light guide plate, an optical film, a light-emitting component and a glue applying frame;
the lower glue frame and the upper glue frame are buckled in a central symmetry manner to form an accommodating space for accommodating the reflective sheets, the light guide plates, the optical films and the light-emitting components which are arranged in a central symmetry lamination manner;
the light emitting component is arranged on the annular inner side of the light guide plate;
the inner side wall of the lower glue frame and the outer side wall of the upper glue frame are enclosed to form a display area;
the display area is used for displaying a uniform hollow annular light source;
the luminous component comprises a hollow annular body and a leading-out end led out from the inner side of the body;
the light emitting assembly further comprises at least one pair of symmetrical LED lamps on the lower end face of the body;
the light emitting ends of the LED lamps are respectively arranged towards the annular outer side of the light emitting assembly and correspond to the light guide plates, so that the light guide plates receive light emitted by the LED lamps;
the lower glue frame comprises a hollow annular first bottom plate and a first side plate which is bent and extended upwards from the outer end surface of the first bottom plate, the inner end surface of the first bottom plate is bent and extended upwards to form a second annular boss, an annular accommodating groove is formed by the second annular boss, the first side plate and the upper end surface of the first bottom plate, and the annular accommodating groove is used for accommodating a reflecting plate, a light guide plate and an optical film which are stacked from bottom to top;
the glue feeding frame comprises a hollow annular second bottom plate and a second side plate which is bent and extended upwards from the outer end surface of the second bottom plate, and the glue discharging frame is fixedly connected with the glue feeding frame through a buckling mechanism;
the reflecting sheet, the light guide plate and the optical film are arranged close to the first side plate;
the annular inner end face of the light guide plate is used as a light incident face, and the upper end face of the light guide plate is used as a light emergent face;
the optical film is arranged on the light emitting surface of the light guide plate, clamping grooves with the same number as the LED lamps are further formed in one side, facing the annular accommodating groove, of the second annular boss, the LED lamps are closely adjacent to the second annular boss and are arranged in the clamping grooves, and the light emitting ends of the LED lamps correspond to the light emitting surface of the light guide plate;
the body of the luminous component is arranged above the LED lamp, and the upper end surface of the body is adhered to the second bottom plate of the rubberizing frame;
the light-emitting component is formed above the second annular boss, the leading-out end is led out from the hollow area in the lower glue frame, and the lower end face of the body is adhered to the second annular boss.
2. The backlight module according to claim 1, wherein the light emitting component is in a regular hexagonal shape, and each side is provided with an LED lamp; correspondingly, the hollow shapes of the lower glue frame, the reflecting plate, the light guide plate, the optical film and the glue applying frame are also regular hexagons.
3. A backlight module according to claim 1, wherein the display area is in the shape of a circular ring or a polygonal ring.
4. A display device comprising a backlight module according to any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707970.9A CN107340639B (en) | 2017-08-17 | 2017-08-17 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710707970.9A CN107340639B (en) | 2017-08-17 | 2017-08-17 | Backlight module and display device |
Publications (2)
| Publication Number | Publication Date |
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| CN107340639A CN107340639A (en) | 2017-11-10 |
| CN107340639B true CN107340639B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710707970.9A Active CN107340639B (en) | 2017-08-17 | 2017-08-17 | Backlight module and display device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517598A (en) * | 2019-09-09 | 2019-11-29 | 芜湖美的厨卫电器制造有限公司 | Display component, display device and water heater |
| CN112331083A (en) * | 2020-11-17 | 2021-02-05 | 绿诺能源科技（深圳）有限公司 | Flat panel display device, display device array and method of manufacturing display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3187253U (en) * | 2013-09-06 | 2013-11-14 | 茂林光電科技股▲ふん▼有限公司 | Dish-shaped lighting fixture |
| JP2014103047A (en) * | 2012-11-21 | 2014-06-05 | Sharp Corp | Lighting system |
| CN104456313A (en) * | 2014-12-03 | 2015-03-25 | 合肥京东方显示光源有限公司 | Backlight module and display device |
| WO2016104357A1 (en) * | 2014-12-26 | 2016-06-30 | シャープ株式会社 | Illumination device and display device |
| CN207008249U (en) * | 2017-08-17 | 2018-02-13 | 信利半导体有限公司 | A kind of backlight module and display device |
-
2017
- 2017-08-17 CN CN201710707970.9A patent/CN107340639B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014103047A (en) * | 2012-11-21 | 2014-06-05 | Sharp Corp | Lighting system |
| JP3187253U (en) * | 2013-09-06 | 2013-11-14 | 茂林光電科技股▲ふん▼有限公司 | Dish-shaped lighting fixture |
| CN104456313A (en) * | 2014-12-03 | 2015-03-25 | 合肥京东方显示光源有限公司 | Backlight module and display device |
| WO2016104357A1 (en) * | 2014-12-26 | 2016-06-30 | シャープ株式会社 | Illumination device and display device |
| CN207008249U (en) * | 2017-08-17 | 2018-02-13 | 信利半导体有限公司 | A kind of backlight module and display device |
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| CN107340639A (en) | 2017-11-10 |
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