WO2019228327A1 - 光源、背光模组、显示装置以及电子设备 - Google Patents

光源、背光模组、显示装置以及电子设备 Download PDF

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Publication number
WO2019228327A1
WO2019228327A1 PCT/CN2019/088746 CN2019088746W WO2019228327A1 WO 2019228327 A1 WO2019228327 A1 WO 2019228327A1 CN 2019088746 W CN2019088746 W CN 2019088746W WO 2019228327 A1 WO2019228327 A1 WO 2019228327A1
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WIPO (PCT)
Prior art keywords
light
emitting
component
emitting component
light emitting
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PCT/CN2019/088746
Other languages
English (en)
French (fr)
Inventor
夏小丽
Original Assignee
京东方科技集团股份有限公司
合肥京东方显示光源有限公司
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Application filed by 京东方科技集团股份有限公司, 合肥京东方显示光源有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/618,586 priority Critical patent/US10935844B2/en
Publication of WO2019228327A1 publication Critical patent/WO2019228327A1/zh

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Classifications

    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • 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
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133605—Direct backlight including specially adapted reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/56—Substrates having a particular shape, e.g. non-rectangular

Definitions

  • the present disclosure relates to a light source, a backlight module, a display device, and an electronic device.
  • a backlight module is an indispensable component.
  • the light emitted by the backlight module is modulated by a liquid crystal panel to display an image.
  • a backlight module generally includes a light guide plate and a light source.
  • the light source is located below or to the side of the light guide plate, and is used to emit light in the light guide plate, and the light guide plate evenly emits the light.
  • a light source of a backlight module including a substrate and a light emitting portion provided on the substrate;
  • the light emitting section includes:
  • a first light emitting component disposed on the substrate
  • a second light emitting component which is provided on the substrate and can emit light independently from the first light emitting component
  • a partitioning component is partitioned between the first light-emitting component and the second light-emitting component, and the partitioning component has a reflective structure, so that the first light-emitting component and the second light-emitting component face away from the reflective light, respectively.
  • the direction of the structure glows.
  • the light-emitting portion is ring-shaped, and the first light-emitting component, the second light-emitting component, and the partition component are all ring-shaped, and the partition component surrounds the Outside the second light-emitting component, the first light-emitting component surrounds the separation component such that the first light-emitting component emits light toward the outer side of the ring, and the second light-emitting component emits light toward the inner side of the ring.
  • the light emitting portion is linear, and the first light emitting component, the second light emitting component, and the partitioning component are all linear, and the first light emitting component And the second light emitting component is on both sides of the partitioning component such that the first light emitting component emits light toward one side of the light emitting portion and the second light emitting component emits light toward the other side of the light emitting portion.
  • the first light emitting component includes:
  • a plurality of first light emitting units disposed on the substrate;
  • the second light emitting component includes:
  • a plurality of second light emitting units are disposed on the substrate.
  • the first light emitting component further includes:
  • the second light emitting component further includes:
  • a second scattering layer covers each of the second light emitting units.
  • the light source further includes:
  • the light-reflecting component matches the shape of the light-emitting portion, and covers the light-emitting portion from a side opposite to the substrate.
  • a backlight module including:
  • Light guide plate with backlight side and light exit side
  • the light source according to any one of the above, wherein the light emitting portion of the light source penetrates the light guide plate from the backlight side to separate the light guide plate into a first light emitting area and a second light emitting area, and the first A light emitting component is used to emit light to the first light emitting area, and the second light emitting component is used to emit light to the second light emitting area.
  • an accommodating groove recessed toward the light exit side is provided on the backlight side, and the light-emitting portion fits into the accommodating groove.
  • the light guide plate includes a first plate body and a second plate body that are independent of each other, and an accommodation gap is formed between the first plate body and the second plate body, The light-emitting part fits into the accommodation gap.
  • a display device including the backlight module according to any one of the above.
  • an electronic device including the display device according to any one of the above.
  • FIG. 1 is a schematic diagram of an embodiment of a light source of the present disclosure.
  • Fig. 2 is a sectional view taken along line B-B 'in Fig. 1.
  • FIG. 3 is a schematic diagram of an embodiment of a backlight module of the present disclosure.
  • FIG. 4 is a schematic diagram of another embodiment of a backlight module of the present disclosure.
  • FIG. 5 is a schematic diagram of another embodiment of a light source according to the present disclosure.
  • Fig. 6 is a sectional view taken along line B-B 'of Fig. 5.
  • An embodiment of the present disclosure provides a light source of a backlight module, which can be used for a backlight module of a display device.
  • 1 and 2 are schematic diagrams of one embodiment of a light source of the present disclosure.
  • FIG. 2 is a cross section taken along line B-B 'in FIG. 1
  • FIG. 1 is a cross section taken along line A-A' in FIG.
  • the light source may include a substrate 1 and a light-emitting portion 10 provided on the substrate 1.
  • the light-emitting portion 10 may include a first light-emitting component 2, a second light-emitting component 3, and a separation component 4, where:
  • the first light-emitting component 2 may be disposed on the substrate 1.
  • the second light-emitting component 3 can be disposed on the substrate 1 and can emit light independently from the first light-emitting component 2.
  • the partition member 4 can be partitioned between the first light-emitting component 2 and the second light-emitting component 3, and the partition component 4 has a reflective structure, so that the first light-emitting component and the second light-emitting component are respectively facing away from the light-reflecting structure.
  • Direction glow
  • the first light-emitting component 2 and the second light-emitting component 3 can independently emit light, that is, light can be emitted simultaneously or only one of them can be emitted at the same time.
  • the two light emitting components 3 are spaced apart and can reflect light to cause the first light emitting component and the second light emitting component to emit light in directions away from the light reflecting structure, thereby preventing the first light emitting component 2 and the second light emitting component 3
  • the emitted light affects each other.
  • two independent light-emitting regions can be formed, one is provided with light by the first light-emitting component 2 and the other is provided by the second light-emitting component 3 without affecting each other.
  • the first light-emitting component 2 or the second light-emitting Only the first light-emitting component 2 or the second light-emitting is required. When one of the modules 3 emits light, the other can be turned off to reduce energy consumption. When the first light-emitting component 2 and the second light-emitting component 3 are required to emit light simultaneously, the first light-emitting component 2 and the second light-emitting component 3 can be made to work simultaneously.
  • the substrate 1 may be a flat plate structure, and its shape may be circular, square, or annular, and the size thereof is not particularly limited here, as long as the light emitting portion 10 can be installed.
  • the substrate 1 may be provided with a first circuit and a second circuit.
  • the first circuit may be used to control the first light-emitting component 2 and the second circuit may be used to control the second light-emitting component 3 without affecting each other, so as to control the first light-emitting component respectively. 2 and the second light-emitting component 3 emit light independently.
  • the light-emitting portion 10 may be provided on the substrate 1, and the shape of the light-emitting portion 10 may be a ring shape, such as a ring shape, a square ring shape, and the like, and have an opening 6 in the center of the ring.
  • the shape of the light emitting portion 10 may be linear, curved, or other shapes.
  • the first light-emitting component 2 may be disposed on the substrate 1 and may emit light.
  • the first light-emitting component 2 may have a ring shape, such as a ring shape, a square ring shape, and the like.
  • the first light-emitting component 2 may also be linear, curved or other shapes.
  • the first light emitting component 2 may include a first light emitting unit 21 and a first scattering layer 22, where:
  • the first light emitting units 21 may be LED light emitting chips or other chips or devices capable of emitting light.
  • the number of the plurality of first light emitting units 21 may be fixed on the substrate 1 and distributed in a ring shape.
  • the light emitting units 21 are all connected to the first circuit.
  • each first light emitting unit 21 may be arranged in series so as to control each first light emitting unit 21 to emit light simultaneously. Alternatively, it may be provided in parallel so as to control each first light emitting unit 21 independently.
  • the first circuit may also be a hybrid circuit, so that each of the first light-emitting units 21 includes a first light-emitting unit 21 connected in series and a first light-emitting unit 21 connected in parallel.
  • the first scattering layer 22 can cover each of the first light emitting units 21 to make the light emitted by the first light emitting unit 21 more uniform.
  • the material of the first scattering layer 22 can be a transparent fluorescent material or other materials capable of making the light uniform.
  • the first light-emitting component 2 may also have other structures, as long as it can independently emit light, which will not be enumerated here one by one.
  • the second light-emitting component 3 can also be disposed on the substrate 1 and can emit light.
  • the second light-emitting component 3 may have a ring shape, such as a ring shape, a square ring shape, or the like.
  • the second light-emitting component 3 may be linear, curved, or other shapes.
  • the second light-emitting component 3 is ring-shaped, it may be disposed in the first light-emitting component 2 so that the first light-emitting component 2 is disposed around the second light-emitting component 3.
  • the second light emitting component 3 may include a second light emitting unit 31 and a second scattering layer 32.
  • the second light-emitting units 31 may be LED light-emitting chips or other chips or devices capable of emitting light.
  • the number of the second light-emitting units 31 is multiple, and the plurality of second light-emitting units 31 and the first light-emitting unit 21 may be fixed on the same surface of the substrate 1.
  • the plurality of second light emitting units 31 are distributed in a ring shape. When the first light emitting units 21 are distributed in a ring shape, the plurality of second light emitting units 31 are located in a region surrounded by the first light emitting units 21. At the same time, each second light-emitting unit 31 can be connected to a second circuit, and the second light-emitting unit 31 can be connected in series, parallel, or mixed to control each second light-emitting unit 31.
  • the second scattering layer 32 can cover each of the second light emitting units 31, and the material thereof can be the same as that of the first scattering layer 22 to make the light emitted by the second light emitting unit 31 more uniform.
  • the second scattering layer 32 and the first scattering layer 22 may be two independent film layers disposed in the same layer, and the two are not connected to each other.
  • the second scattering layer 32 and the first scattering layer 22 may be the same film layer, which may cover each of the first light-emitting units 21 and the second light-emitting units 31 at the same time.
  • the second light-emitting component 3 may also have other structures, as long as it can independently emit light, which will not be enumerated here one by one.
  • a circuit board may be added to the substrate 1, and the first light-emitting unit 21 and a part of the second light emitting unit 31 may be provided on the circuit board. As long as it can be ensured that each first light-emitting unit 21 is connected to the first circuit, and each second light-emitting unit 31 is connected to the second circuit.
  • the partition module 4 may be disposed between the first light-emitting module 2 and the second light-emitting module 3 to separate the first light-emitting module 2 and the second light-emitting module 3, and the partition module 4 is reflective. Structure so that two light emitting regions can be formed. The first area is provided with light only by the first light-emitting component 2 and the second area is provided with light only by the second light-emitting component 3, so that the first light-emitting component 2 and the second light-emitting component 3 emit light in directions away from the reflective structure 4, respectively. As shown in FIG.
  • the partition component 4 may be a reflective sheet formed between the first light-emitting component 2 and the second light-emitting component 3, or a sheet-like structure coated with a reflective coating, as long as it can reflect light.
  • the shape of the partition member 4 may be a ring shape, such as a ring shape, a square ring shape, or the like.
  • the partition element 4 can also be linear, curved or other shapes, as long as it can block reflected light.
  • the light source of the present disclosure may further include a reflective component 5 whose shape matches the shape of the light emitting portion 10 and covers the light emitting portion 10 from the side opposite to the substrate.
  • the light-emitting portion 10 is ring-shaped, and the light-reflecting component 5 is also ring-shaped.
  • the light-reflecting component 5 covers the light-emitting portion 10, and the area surrounded by the light-emitting portion 10 is not covered by the light-reflecting component 5.
  • the light-reflecting component 5 may be a light-reflecting sheet on the upper side of the light-emitting portion 10, or a light-reflecting film layer covering the light-emitting portion 10 from the upper side, as long as it can reflect light.
  • the light emitted by the first light-emitting component 2 and the second light-emitting component 3 can be reflected by the light-reflecting component 5.
  • the light In cooperation with the light-reflecting partition component 4, the light can be guided to the two areas separated by the partition component 4.
  • the light source of the present disclosure may not include the reflective component 5.
  • the light source of the present disclosure may include a substrate 1, a light emitting portion 10, and a reflective component 5.
  • the light emitting portion 10 may be disposed on the substrate 1, and the light emitting portion 10 may include a first light emitting component 2, a second light emitting component 3, and a separation component 4.
  • the light-emitting portion 10 may have a circular shape, that is, the first light-emitting component 2, the second light-emitting component 3, and the partition component 4 all have a circular shape, and the light-reflecting component 5 also has a circular shape.
  • the first light-emitting component 2 may include a first light-emitting unit 21 and a first scattering layer 22.
  • the number of the first light-emitting units 21 is multiple, and the first light-emitting units 21 are fixed to the substrate 1.
  • the plurality of first light-emitting units 21 are distributed in a ring shape.
  • each first light emitting unit 21 is connected to a first circuit on the substrate 1.
  • the first scattering layer 22 may be a transparent fluorescent material, which may cover the first light emitting unit 21.
  • the second light-emitting component 3 may include a second light-emitting unit 31 and a second scattering layer 32.
  • the number of the second light-emitting units 31 is multiple, and the second light-emitting units 31 are fixed on the substrate 1.
  • the plurality of second light-emitting units 31 are distributed in a ring shape. In an area surrounded by the first light emitting unit 21. At the same time, each second light emitting unit 31 is connected to a second circuit on the substrate 1.
  • the second scattering layer 32 may cover the second light emitting unit 31.
  • the partition element 4 can be disposed on the substrate 1 and surround the second light-emitting element 3, and the first light-emitting element 2 can surround the partition element 4 so that the first light-emitting element 2 and the second light-emitting element can be separated by the partition element 4. 3 is separated so that the light emitted from the first light-emitting component 2 and the second light-emitting component 3 do not affect each other and the first light-emitting component 2 emits light toward the outer side of the ring, and the second light-emitting component 3 emits light toward the inner side of the ring, that is, The opening 6 toward the center of the ring emits light.
  • the light-reflecting component 5 can cover the light-emitting portion 10 from the side opposite to the substrate, that is, the first light-emitting component 2, the second light-emitting component 3, and the partition component 4 are simultaneously covered from the upper side.
  • the light-reflecting component 5 can reflect the light emitted from the first light-emitting component 2 and the second light-emitting component 3, so that the light can only be emitted from the side of the light source, that is, to the area partitioned by the partition component 4.
  • the light emitting portion 10 of the light source may also be linear, so as to form two light emitting areas that emit light side by side and independently.
  • other shapes may also be used, which will not be enumerated here.
  • the backlight module may include a light guide plate 100 and any one of the light sources described above, wherein:
  • the light guide plate 100 may have a backlight side and a light exit side.
  • the light emitting part 10 of the light source can penetrate the light guide plate 100 through the backlight side to separate the light guide plate 100 into a first light emitting area and a second light emitting area.
  • the light emitted by the first light emitting component 2 can enter the first light emitting area and the second light emitting component.
  • the light emitted by 3 can enter the second light-emitting area, so that the light guide plate 100 can be provided with two independent light-emitting areas without affecting each other, so as to realize partition display and reduce energy consumption.
  • a receiving groove 15 recessed toward the light-emitting side may be provided on the backlight side of the light guide plate 100, and the light-emitting portion 10 may fit into the receiving groove 15. .
  • the light-emitting portion 10 is ring-shaped, and the first light-emitting component 2, the second light-emitting component 3, and the partition component 4 are all ring-shaped, and the light-reflecting component 5 is also ring-shaped and covers the first light-emitting component 2 from the upper side.
  • the accommodating groove 15 of the first light guide plate 100 also has a ring shape, and the light-emitting portion 10 can fit into the accommodating groove 15.
  • the portion of the light guide plate 100 outside the area surrounded by the accommodating groove 15 is surrounded by the first light-emitting component 2.
  • the first light emitting component 2 can emit light in this part to form a first light emitting area.
  • a portion of the light guide plate 100 located in the area surrounded by the accommodation groove 15 is surrounded by the second light emitting component 3, and the second light emitting component 3 can emit light into the portion to form a second light emitting area.
  • the substrate 1 may be located outside the backlight side of the light guide plate 100.
  • the light guide plate 100 may include a first plate body 101 and a second plate body 102 that are independent of each other, wherein the first plate body 101 and the second plate body An accommodating gap 25 is formed between 102, and the light emitting part 10 can fit into the accommodating gap 25.
  • the light emitting portion 10 is ring-shaped, and the first light-emitting component 2, the second light-emitting component 3, the partitioning component 4, and the light-reflecting component 5 are all ring-shaped.
  • the first plate body 101 has a ring shape
  • the second plate body 102 is circular and is located inside the first plate body 101
  • an annular accommodation gap 25 can be formed between the first plate body 101 and the second plate body 102.
  • the light-emitting portion 10 can be fitted into the accommodation gap 25 so that the first light-emitting component 2 surrounds the outside of the first plate body 101 and the second light-emitting component 3 surrounds the outside of the second plate body 102.
  • the first light-emitting component 2 can emit light to the first plate 101, so that the first plate 101 can serve as a first light-emitting area, and the second light-emitting component 3 can emit light to the second plate 102, so that the second plate 102 can serve as The second light-emitting area.
  • the substrate 1 may be located outside the backlight side of the light guide plate 100.
  • the backlight module of the present disclosure may further include a back plate 200.
  • the back plate 200 may be disposed on the backlight side of the light guide plate 100, and a reflective layer is provided between the back plate 200 and the light guide plate 100.
  • the light source can pass through the back plate 200 and the reflective layer 300 into the light guide plate 100, and the substrate 1 is adhered to the surface of the back plate 200 away from the light guide plate 100.
  • a light-emitting side of the light guide plate 100 is provided with a diffusion layer 400.
  • a first prism sheet 500 is provided on the diffusion layer 400
  • a second prism sheet 600 is provided on the first prism sheet 500
  • a light shielding strip is provided on the second prism sheet 600.
  • the backlight module may also include a frame, etc., which is not described in detail here.
  • the display device may include the aforementioned backlight module. Area display can be implemented to reduce energy consumption.
  • the display device may further include a liquid crystal panel and other components facing the backlight module, which will not be described in detail here.
  • An embodiment of the present disclosure further provides an electronic device.
  • the electronic device may include the display device described above, and may implement zone display to reduce energy consumption.
  • the electronic device is an electronic watch.
  • the electronic watch may include a display device, a pointer, and a driving device.
  • the backlight module of the display device may be a backlight module in any of the above embodiments of the backlight module.
  • the center of the light guide plate 100 may be provided with a through hole, and the second light emitting component 3 surrounds the through hole.
  • the pointer can be set on the light emitting side of the display device
  • the driving device can be set on the backlight side of the display device, and can be connected to the pointer through a transmission mechanism passing through the through hole to drive the pointer to rotate.
  • FIG. 5 and 6 are schematic diagrams of another embodiment of a light source of the present disclosure.
  • FIG. 6 is a cross section taken along a line B-B 'in FIG. 5
  • FIG. 5 is a cross section taken along a line A-A' in FIG.
  • the shape of the light emitting section 10 is linear, for example, a linear shape.
  • the first light-emitting component 2, the second light-emitting component 3, the partitioning component 4, and the light-emitting component 5 are also all linear.
  • FIG. 6 is a cross section taken along a line B-B 'in FIG. 5
  • FIG. 5 is a cross section taken along a line A-A' in FIG.
  • the shape of the light emitting section 10 is linear, for example, a linear shape.
  • the first light-emitting component 2, the second light-emitting component 3, the partitioning component 4, and the light-emitting component 5 are also all linear.
  • FIG. 1 is a cross section taken along a line B-B
  • the first light-emitting component 2 and the second light-emitting component 3 are on both sides of the separation component 4 so that the first light-emitting component 2 faces the light-emitting portion 10 side, and the second light-emitting component 3 faces the light-emitting portion 10. The other side glows.
  • two independent light-emitting regions can be formed on both sides of the light-emitting portion 10, one is provided with light by the first light-emitting component 2 and the other is provided by the second light-emitting component 3 without affecting each other.
  • the other can be turned off to reduce energy consumption.
  • the first light-emitting component 2 and the second light-emitting component 3 are required to emit light simultaneously, the first light-emitting component 2 and the second light-emitting component 3 can be made to work simultaneously.

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Abstract

本公开提供了一种光源。本公开的光源包括基板和发光部。该发光部包括第一发光组件、第二发光组件和分隔组件，第一发光组件设于基板上。第二发光组件设于基板上，且能与第一发光组件分别独立发光。分隔组件分隔于第一发光组件和第二发光组件之间，且分隔组件为反光结构，使得所述第一发光组件和所述第二发光组件分别朝向背离所述反光结构的方向发光。本公开还提供了包括该光源和导光板的背光模组、包括该背光模组的显示装置以及包括该显示装置的电子设备。

Description

光源、背光模组、显示装置以及电子设备
相关申请的交叉引用
本申请要求于2018年05月28日递交的中国专利申请201810524860.3号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本公开涉及光源、背光模组、显示装置以及电子设备。
背景技术
随着显示技术的发展，显示装置已经广泛应用于各种领域，其中，液晶显示装置的应用较为普遍。对于液晶显示装置而言，背光模组是其必不可少的组成部分，通过液晶面板对背光模组发出的光线进行调制，可显示图像。目前，背光模组一般包括导光板和光源，光源位于导光板的下方或者侧方，用于向导光板内发出光线，并由导光板均匀射出。
需要说明的是，在上述背景技术部分公开的信息仅用于加强对本公开的背景的理解，因此可以包括不构成对本领域普通技术人员已知的现有技术的信息。
发明内容
根据本公开的一个或多个方面，提供一种背光模组的光源，包括基板和设于所述基板的发光部；
所述发光部包括：
第一发光组件，设于所述基板上；
第二发光组件，设于所述基板上，且能与所述第一发光组件分别独立发光；
分隔组件，分隔于所述第一发光组件和所述第二发光组件之间，且所述分隔组件为反光结构，使得所述第一发光组件和所述第二发光组件分别朝向背离所述反光结构的方向发光。
在本公开的一种示例性实施例中，所述发光部为环状，且第一发光组件、所述第二发光组件和所述分隔组件均呈环状，所述分隔组件环绕于所述第二发光组件外，所述第一发光组件环绕于所述分隔组件外，使得所述第一发光组件朝向环状外侧发光，并且所 述第二发光组件朝向环状内侧发光。
在本公开的一种示例性实施例中，所述发光部为线状，且所述第一发光组件、所述第二发光组件和所述分隔组件均呈线状，所述第一发光组件和所述第二发光组件在所述分隔组件的两侧，使得所述第一发光组件朝向所述发光部的一侧发光并且所述第二发光组件朝向所述发光部的另一侧发光。
在本公开的一种示例性实施例中，所述第一发光组件包括：
多个第一发光单元，设于所述基板上；
所述第二发光组件包括：
多个第二发光单元，设于所述基板上。
在本公开的一种示例性实施例中，所述第一发光组件还包括：
第一散射层，覆盖各所述第一发光单元；
所述第二发光组件还包括：
第二散射层，覆盖各所述第二发光单元。
在本公开的一种示例性实施例中，所述光源还包括：
反光组件，与所述发光部的形状相匹配，且从与基板相反的一侧覆盖所述发光部。
根据本公开的一个方面，提供一种背光模组，包括：
导光板，具有背光侧和出光侧；
上述任意一项所述的光源，所述光源的所述发光部由所述背光侧穿入所述导光板，以将所述导光板分隔为第一发光区域和第二发光区域，所述第一发光组件用于向所述第一发光区域发射光线，所述第二发光组件用于向所述第二发光区域发射光线。
在本公开的一种示例性实施例中，所述背光侧设有向所述出光侧凹陷的容置槽，所述发光部配合伸入所述容置槽。
在本公开的一种示例性实施例中，所述导光板包括相互独立的第一板体和第二板体，所述第一板体和所述第二板体间形成有容置间隙，所述发光部配合伸入所述容置间隙。
根据本公开的一个方面，提供一种显示装置，包括上述任意一项所述的背光模组。
根据本公开的一个方面，提供一种电子设备，包括上述任意一项所述的显示装置。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本公开的实施例，并与说明书一起用于解释本公开的原理。显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本公开的光源的实施方式的示意图。
图2为沿着图1中的线B-B’的剖视图。
图3为本公开背光模组实施方式的示意图。
图4为本公开背光模组另一实施方式的示意图。
图5为本公开的光源另一实施方式的示意图。
图6为沿着图5的线B-B’的剖视图。
具体实施方式
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式；相反，提供这些实施方式使得本发明将全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。图中相同的附图标记表示相同或类似的结构，因而将省略它们的详细描述。
虽然本说明书中使用相对性的用语，例如“上”“下”来描述图标的一个组件对于另一组件的相对关系，但是这些术语用于本说明书中仅出于方便，例如根据附图中所述的示例的方向。能理解的是，如果将图标的装置翻转使其上下颠倒，则所叙述在“上”的组件将会成为在“下”的组件。当某结构在其它结构“上”时，有可能是指某结构一体形成于其它结构上，或指某结构“直接”设置在其它结构上，或指某结构通过另一结构“间接”设置在其它结构上。
用语“一个”、“一”、“该”、“所述”用以表示存在一个或多个要素/组成部分/等；用语“包括”和“具有”用以表示开放式的包括在内的意思并且是指除了列出的要素/组成部分/等之外还可存在另外的要素/组成部分/等；用语“第一”和“第二”仅作为标记使用，不是对其对象的数量限制。
本公开实施方式提供了一种背光模组的光源，可用于显示装置的背光模组。图1和图2是本公开的光源的一个实施方式的示意图。图2是沿着图1中的线B-B’取得的截面，而图1是沿着图2中的线A-A’取得的截面。
如图1所示，本公开实施方式的光源可以包括基板1和设于基板1上的发光部10，发光部10可以包括第一发光组件2、第二发光组件3和分隔组件4，其中：
第一发光组件2可设于基板1上。
第二发光组件3可设于基板1上，且能与第一发光组件2分别独立发光。
分隔组件4可分隔于第一发光组件2和第二发光组件3之间，且分隔组件4为反光结构，使得所述第一发光组件和所述第二发光组件分别朝向背离所述反光结构的方向发光。
本公开实施方式的背光模组的光源，第一发光组件2和第二发光组件3可分别独立发光，即同时发光或仅其中一个发光，同时，分隔组件4可将第一发光组件2和第二发光组件3隔开，并可进行反光来使得所述第一发光组件和所述第二发光组件分别朝向背离所述反光结构的方向发光，从而防止第一发光组件2和第二发光组件3发出的光线互相影响。由此，可形成两个独立的发光区域，一个由第一发光组件2提供光线，另一个由第二发光组件3提供光线，且互不影响，在仅需要第一发光组件2或第二发光组件3中的一个发光时，可将另一个关闭，以降低能耗。在需要第一发光组件2和第二发光组件3同时发光时，可使第一发光组件2和第二发光组件3同时工作。
下面对本公开实施方式的光源的组成部分进行详细说明。
如图1和图2所示，基板1可为平板结构，其形状可以是圆形、方形或者环形等，其尺寸在此不做特殊限定，只要能安装发光部10即可。基板1上可设有第一电路和第二电路，第一电路可用于控制第一发光组件2，第二电路可用于控制第二发光组件3，且互不影响，以便分别控制第一发光组件2和第二发光组件3分别独立发光。
如图1和图2所示，发光部10可设于基板1上，发光部10的形状可以呈环状，例如圆环状、方环状等，并且在环状中央具有开口6。当然，发光部10的形状也可以呈直线状、曲线状或其它形状。
如图1和图2所示，第一发光组件2可设于基板1上，并可发射光线。且第一发光组件2可以呈环状，例如圆环状、方环状等。当然，第一发光组件2也可以呈直线状、曲线状或其它形状。举例而言，第一发光组件2可以包括第一发光单元21和第一散射层22，其中：
第一发光单元21可为LED发光芯片或者其它能够发射光线的芯片或装置，其数量为多个，且多个第一发光单元21可固定于基板1上并呈环状分布，且各个第一发光单元21均接入第一电路。同时，各个第一发光单元21可串联设置，以便控制各个第一发 光单元21同时发光。或者，也可并联设置，以便分别独立控制各个第一发光单元21。应当理解的是，第一电路也可以是混联电路，使得各第一发光单元21中，存在相互串联的第一发光单元21，也存在并联的第一发光单元21。
第一散射层22可覆盖各第一发光单元21，可使第一发光单元21射出的光线更加均匀，其材料可以是透明的荧光材料或其它能使光线均匀的材料。
当然，第一发光组件2也可以是其它结构，只要能独立发射光线即可，在此不再一一列举。
如图1和图2所示，第二发光组件3也可设于基板1上，并可发射光线。第二发光组件3可以呈环状，例如圆环状、方环状等。第二发光组件3也可以呈直线状、曲线状或其它形状。在第二发光组件3为环状时，其可设于第一发光组件2内，使得第一发光组件2环绕第二发光组件3设置。
举例而言，第二发光组件3可以包括第二发光单元31和第二散射层32。
第二发光单元31可为LED发光芯片或者其它能够发射光线的芯片或装置，其数量为多个，且多个第二发光单元31可与第一发光单元21固定于基板1的同一表面。多个第二发光单元31呈环状分布，并且当第一发光单元21环状分布时，多个第二发光单元31位于第一发光单元21围成的区域内。同时，各个第二发光单元31可接入第二电路，实现第二发光单元31的串联、并联或混联，以便控制各个第二发光单元31。
第二散射层32可覆盖各第二发光单元31，其材料可与第一散射层22相同，以使第二发光单元31发出的光线更加均匀。同时，第二散射层32与第一散射层22可为两个同层设置的独立膜层，二者互不连接。或者，第二散射层32与第一散射层22也可以是同一膜层，其可同时覆盖各第一发光单元21和个第二发光单元31。
当然，第二发光组件3也可以是其它结构，只要能独立发射光线即可，在此不再一一列举。
需要说明的是，对于尺寸较小的基板1而言，若基板1上的空间难以容纳所有的第一发光单元21和第二发光单元31，可在基板1加设电路板，第一发光单元21和第二发光单元31中的一部分可设于该电路板上。只要能保证将各第一发光单元21接入第一电路，将各第二发光单元31接入第二电路即可。
如图1和图2所示，分隔组件4可设于第一发光组件2和第二发光组件3之间，将第一发光组件2和第二发光组件3隔开，且分隔组件4为反光结构，从而可形成两个发光区域。第一区域仅由第一发光组件2提供光线，第二发光区域仅由第二发光组件3提 供光线，使得第一发光组件2和第二发光组件3分别朝向背离反光结构4的方向发光。如图1所示，当发光部10的形状为环形时，第一发光组件2所发出的光的出光方向朝向发光部的环形外侧，第二发光组件3发出的光的出光方向朝向发光部的环形内侧，即，朝向环状中央的开口6。分隔组件4可以是形成于第一发光组件2和第二发光组件3之间的反光片或者涂布由反光涂层的片状结构等，只要能起到反光作用即可。分隔组件4的形状可以是环状，例如圆环状、方环状等。分隔组件4也可以呈直线状、曲线状或其它形状，只要能阻隔反射光线即可。
如图1和图2所示，本公开光源还可以包括反光组件5，该反光组件5的形状可发光部10的形状相匹配，且从与基板相反的一侧覆盖发光部10。举例而言，发光部10为环状，反光组件5也为环状，且反光组件5覆盖发光部10，发光部10所围绕的区域则不被反光组件5覆盖。
反光组件5可以是位于发光部10上侧的反光材质的反光片，也可以是从上侧覆盖发光部10的反光膜层，只要能进行反光即可。由此，第一发光组件2和第二发光组件3发出的光线可被反光组件5反射，配合反光的分隔组件4，可引导光线向分隔组件4分隔出的两个区域传播。当然，本公开的光源也可以不包括反光组件5。
本公开的光源可包括基板1、发光部10和反光组件5，发光部10可设于基板1上，且发光部10可包括第一发光组件2、第二发光组件3和分隔组件4。发光部10可以为圆环状，即第一发光组件2、第二发光组件3和分隔组件4均呈圆环状，反光组件5也为圆环状。
第一发光组件2可以包括第一发光单元21和第一散射层22，第一发光单元21的数量为多个，并固定于基板1，且多个第一发光单元21呈圆环状分布。同时，各个第一发光单元21接入基板1上的第一电路。第一散射层22可为透明的荧光材料，其可覆盖第一发光单元21。
第二发光组件3可以包括第二发光单元31和第二散射层32，第二发光单元31的数量为多个，并固定于基板1上，且多个第二发光单元31呈圆环状分布于第一发光单元21围成的区域内。同时，各个第二发光单元31接入基板1上的第二电路。第二散射层32可覆盖第二发光单元31。
分隔组件4可设于基板1上，并环绕于第二发光组件3外，第一发光组件2可环绕于分隔组件4外，从而可通过分隔组件4将第一发光组件2和第二发光组件3分隔开，使第一发光组件2和第二发光组件3发出的光线互不影响并且使得第一发光组件2朝向 环状外侧发光，并且第二发光组件3朝向环状内侧发光，即，朝向环状中央的开口6发光。
反光组件5可从与基板相反的一侧覆盖发光部10，即从上侧同时覆盖第一发光组件2、第二发光组件3和分隔组件4。反光组件5可反射第一发光组件2和第二发光组件3发出的光线，使光线只能从光源的侧方射出，即向分隔组件4分隔出的区域射出。
本公开光源的其它实施方式中，光源的发光部10也可以呈直线形，以便形成两个并排且独立发光的发光区域，当然，也可以是其它形状，在此不再一一列举。
如图3和图4所示，本公开实施方式提供一种背光模组，该背光模组可以包括导光板100和上述任一项的光源，其中：
导光板100可具有背光侧和出光侧。
光源的发光部10可由背光侧穿入导光板100，以将导光板100分隔为第一发光区域和第二发光区域，第一发光组件2发出的光线可进入第一发光区域，第二发光组件3发出的光线可进入第二发光区域，使得导光板100可具备两个独立发光的区域，且互不影响，以便实现分区显示，以降低能耗。
下面对光源伸入导光板100的方式进行示例性说明。
如图3所示，在背光模组的第一种实施方式中，导光板100的背光侧可设有向出光侧凹陷的容置槽15，发光部10可配合伸入该容置槽15内。
举例而言，发光部10环状，且其第一发光组件2、第二发光组件3和分隔组件4均为环状，反光组件5也为环状且从上侧覆盖第一发光组件2、第二发光组件3和分隔组件4。第一导光板100的容置槽15也呈环状，发光部10可配合伸入容置槽15内，导光板100位于容置槽15所围区域外的部分被第一发光组件2环绕，第一发光组件2可该部分发光，以形成第一发光区域。导光板100位于容置槽15所围区域内的部分被第二发光组件3环绕，第二发光组件3可向该部分内发射光线，以形成第二发光区域。此外，基板1可位于导光板100的背光侧外。
如图4所示，在背光模组的另一种实施方式中，导光板100可包括相互独立的第一板体101和第二板体102，其中，第一板体101和第二板体102间形成有容置间隙25，发光部10可配合伸入该容置间隙25内。
举例而言，发光部10环状，且其第一发光组件2、第二发光组件3、分隔组件4和反光组件5均为环状。另外，第一板体101呈环状，第二板体102为圆形且位于第一板体101内，第一板体101和第二板体102间可形成环状的容置间隙25。发光部10可配 合伸入容置间隙25内，使得第一发光组件2环绕于第一板体101外，第二发光组件3环绕于第二板体102外。第一发光组件2可向第一板体101发光，使第一板体101可作为第一发光区域，第二发光组件3可向第二板体102发射光线，使第二板体102可作为第二发光区域。此外，基板1可位于导光板100的背光侧外。
此外，如图3和图4所示，本公开的背光模组还可以包括背板200，背板200可设于导光板100的背光侧，背板200和导光板100之间设有反射层300，光源可穿过背板200和反射层300进入导光板100内，且基板1贴合于背板200远离导光板100的表面。同时，导光板100的出光侧设有扩散层400，扩散层400上设有第一棱镜片500，第一棱镜片500上设有第二棱镜片600，第二棱镜片600上设有遮光条700。当然，背光模组还可以包括边框等，在此不再详述。
本公开实施方式提供一种显示装置，该显示装置可以包括上述的背光模组。可实现分区显示，以降低能耗。当然，该显示装置还可以包括与背光模组正对液晶面板以及其它部件，在此不再详述。
本公开实施方式还提供一种电子设备，该电子设备可以包括上述的显示装置，可实现分区显示，以降低能耗。
举例而言，该电子设备为电子表，该电子表可包括显示装置、指针和驱动装置，在该显示装置的背光模组可以是背光模组的以上任一实施方式中的背光模组，具体可参考上述背光模组，导光板100的中心可设有通孔，第二发光组件3环绕于该通孔外。指针可设于显示装置的出光侧，驱动装置可设于显示显示装置的背光侧，并可通过一穿过该通孔的传动机构与指针连接，以驱动指针转动。
图5和图6是本公开的光源的另一实施方式的示意图。图6是沿着图5中的线B-B’取得的截面，而图5是沿着图6中的线A-A’取得的截面。如图5所示，发光部10的形状为线状，例如，直线形状。在该实施方式中，第一发光组件2、第二发光组件3、分隔组件4和发光组件5也都是线状。如图5所示，第一发光组件2和第二发光组件3在分隔组件4的两侧，使得第一发光组件2朝向发光部10的一侧发光，第二发光组件3朝向发光部10的另一侧发光。
根据该实施方式，可以在发光部10的两侧形成两个独立的发光区域，一个由第一发光组件2提供光线，另一个由第二发光组件3提供光线，且互不影响，在仅需要第一发光组件2或第二发光组件3中的一个发光时，可将另一个关闭，以降低能耗。在需要第一发光组件2和第二发光组件3同时发光时，可使第一发光组件2和第二发光组件3 同时工作。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本公开的其它实施方案。本申请旨在涵盖本公开的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本公开的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本公开的真正范围和精神由所附的权利要求指出。

Claims (11)

  1. 一种背光模组的光源，其特征在于，包括基板和设于所述基板的发光部；
    所述发光部包括：
    第一发光组件，设于所述基板上；
    第二发光组件，设于所述基板上，且能与所述第一发光组件分别独立发光；
    分隔组件，分隔于所述第一发光组件和所述第二发光组件之间，且所述分隔组件为反光结构，使得所述第一发光组件和所述第二发光组件分别朝向背离所述反光结构的方向发光。
  2. 根据权利要求1所述的光源，其特征在于，所述发光部为环状，且第一发光组件、所述第二发光组件和所述分隔组件均呈环状，所述分隔组件环绕于所述第二发光组件外，所述第一发光组件环绕于所述分隔组件外，使得所述第一发光组件朝向环状外侧发光，并且所述第二发光组件朝向环状内侧发光。
  3. 根据权利要求1所述的光源，其特征在于，所述发光部为线状，且所述第一发光组件、所述第二发光组件和所述分隔组件均呈线状，所述第一发光组件和所述第二发光组件在所述分隔组件的两侧，使得所述第一发光组件朝向所述发光部的一侧发光并且所述第二发光组件朝向所述发光部的另一侧发光。
  4. 根据权利要求1所述的光源，其特征在于，所述第一发光组件包括：
    多个第一发光单元，设于所述基板上；
    所述第二发光组件包括：
    多个第二发光单元，设于所述基板上。
  5. 根据权利要求4所述的光源，其特征在于，所述第一发光组件还包括：
    第一散射层，覆盖各所述第一发光单元；
    所述第二发光组件还包括：
    第二散射层，覆盖各所述第二发光单元。
  6. 根据权利要求1-5任一项所述的光源，其特征在于，所述光源还包括：
    反光组件，与所述发光部的形状相匹配，且从与基板相反的一侧覆盖所述发光部。
  7. 一种背光模组，其特征在于，包括：
    导光板，具有背光侧和出光侧；
    权利要求1-6任一项所述的光源，所述光源的所述发光部由所述背光侧穿入所述导光板，以将所述导光板分隔为第一发光区域和第二发光区域，所述第一发光组件用于向所述第一发光区域发射光线，所述第二发光组件用于向所述第二发光区域发射光线。
  8. 根据权利要求7所述的背光模组，其特征在于，所述背光侧设有向所述出光侧凹陷的容置槽，所述发光部配合伸入所述容置槽。
  9. 根据权利要求7所述的背光模组，其特征在于，所述导光板包括相互独立的第一板体和第二板体，所述第一板体和所述第二板体间形成有容置间隙，所述发光部配合伸入所述容置间隙。
  10. 一种显示装置，其特征在于，包括权利要求7-9任一项所述的背光模组。
  11. 一种电子设备，其特征在于，包括权利要求10所述的显示装置。
PCT/CN2019/088746 2018-05-28 2019-05-28 光源、背光模组、显示装置以及电子设备 WO2019228327A1 (zh)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108628037A (zh) 2018-05-14 2018-10-09 京东方科技集团股份有限公司 一种显示装置及其制作方法
CN108761910A (zh) * 2018-05-28 2018-11-06 京东方科技集团股份有限公司 电子设备、显示装置、背光模组及其光源
CN111367122A (zh) * 2020-04-03 2020-07-03 深圳市隆利科技股份有限公司 导光led灯板
CN111413826A (zh) * 2020-04-03 2020-07-14 深圳市隆利科技股份有限公司 面光源背光装置
CN114442371B (zh) * 2022-01-18 2023-06-02 武汉华星光电技术有限公司 显示背板及显示装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103775963A (zh) * 2014-02-10 2014-05-07 上海向隆电子科技有限公司 反射式灯杯结构及背光模块
CN105090820A (zh) * 2015-07-27 2015-11-25 武汉华星光电技术有限公司 背光源和显示装置
CN105116610A (zh) * 2015-09-22 2015-12-02 深圳市华星光电技术有限公司 一种背光模组
CN108761910A (zh) * 2018-05-28 2018-11-06 京东方科技集团股份有限公司 电子设备、显示装置、背光模组及其光源

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI262278B (en) * 2003-07-11 2006-09-21 Hon Hai Prec Ind Co Ltd Illuminated logo unit
TWI342444B (en) * 2006-07-04 2011-05-21 Au Optronics Corp Light-emitting unit and backlight module
US7600890B2 (en) * 2006-09-12 2009-10-13 Osram Sylvania Inc. Illuminated sign and light source for use with said sign
CN101329472B (zh) * 2007-06-18 2010-11-03 奇菱科技股份有限公司 发光装置及其制造方法
CN101680637B (zh) * 2007-08-07 2011-07-13 夏普株式会社 照明装置和液晶显示装置
JP4844680B2 (ja) * 2010-05-25 2011-12-28 パナソニック株式会社 照明装置及びカメラ
CN101852375B (zh) * 2010-06-18 2011-09-07 苏州向隆塑胶有限公司 背光模块及其液晶显示装置
JP2012018855A (ja) * 2010-07-09 2012-01-26 Hitachi Consumer Electronics Co Ltd 照明装置及びこれを備える表示装置
CN201945776U (zh) * 2010-12-28 2011-08-24 歌尔声学股份有限公司 Led背光源显示设备
TWI504992B (zh) * 2013-04-12 2015-10-21 Au Optronics Corp 多屏顯示器的背光單元設計
CN103759175B (zh) * 2014-01-21 2016-03-30 北京京东方显示技术有限公司 一种背光源和显示装置
CN105158969B (zh) * 2015-08-18 2018-07-17 深圳市华星光电技术有限公司 液晶显示装置及其背光模组
CN106647030A (zh) * 2016-12-27 2017-05-10 深圳市华星光电技术有限公司 背光模组及液晶显示器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103775963A (zh) * 2014-02-10 2014-05-07 上海向隆电子科技有限公司 反射式灯杯结构及背光模块
CN105090820A (zh) * 2015-07-27 2015-11-25 武汉华星光电技术有限公司 背光源和显示装置
CN105116610A (zh) * 2015-09-22 2015-12-02 深圳市华星光电技术有限公司 一种背光模组
CN108761910A (zh) * 2018-05-28 2018-11-06 京东方科技集团股份有限公司 电子设备、显示装置、背光模组及其光源

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