CN110727145A - Backlight source, manufacturing method, backlight module, display panel and display device - Google Patents
Backlight source, manufacturing method, backlight module, display panel and display device Download PDFInfo
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- CN110727145A CN110727145A CN201911030109.9A CN201911030109A CN110727145A CN 110727145 A CN110727145 A CN 110727145A CN 201911030109 A CN201911030109 A CN 201911030109A CN 110727145 A CN110727145 A CN 110727145A
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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
- G02F1/133603—Direct backlight with LEDs
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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
- G02F1/133605—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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a backlight source, comprising: a substrate; a plurality of light emitting units arranged on the substrate at intervals; the net-shaped piece comprises a plurality of hollow structures which correspond to the light-emitting units one by one; the light-emitting device comprises a plurality of light-emitting units, a mesh piece, a plurality of hollowed-out structures and a reflection structure, wherein the hollowed-out structures of the mesh piece are sleeved on the light-emitting units one by one, the reflection structure is arranged on the mesh piece, and the reflection structure is used for reflecting light emitted by a side light-emitting surface of each light-emitting unit so that the reflected light is collected towards the direction perpendicular to the surface of a substrate. The invention can effectively utilize the light emitted by the side light-emitting surface of the light-emitting unit, thereby improving the light energy utilization efficiency, and meanwhile, the light mixing distance of the light-emitting unit can be effectively reduced by adjusting the light-emitting shape of the light-emitting unit, thereby reducing the thickness of the device, correspondingly reducing the light-emitting halo of each light-emitting unit, namely limiting the size of the PSF curve of each light-emitting unit, and being beneficial to the adjustment of a display algorithm.
Description
Technical Field
The invention relates to the technical field of display. More particularly, the invention relates to a backlight source, a manufacturing method thereof, a backlight module, a display panel and a display device.
Background
The application of the Mini LED in the display field is a more popular topic in the market in recent years, the Mini LED is in backlight, the Mini LED distributed in an array mode is adopted, the high-contrast effect of the display technology is achieved by locally controlling the brightness of the Mini LED, meanwhile, the Mini LED backlight source adopts the technology of exciting quantum dots by blue light to generate white light, the wide color gamut effect is obtained, the distance between the Mini LED and an OLED is greatly shortened, and the LED obtains advantages again in the comparison with the OLED.
The Mini LEDs are used as devices of the backlight source, gaps exist among the Mini LEDs, in order to shield differences among the Mini LEDs, namely, diffusion films and the like are needed to be used, and a certain light mixing distance can be used for shielding perfectly, so that the thickness of the devices is increased indirectly, meanwhile, due to the use of materials such as diffusion materials, the Mini LEDs can emit light more uniformly on a receiving surface, the influence among the Mini LED areas is larger, the halo of the single Mini LED is larger after being lightened, the area corresponding to the Mini LED exceeds the control of the Mini LED, namely, a PSF (Point Spread Function) curve is large, and therefore, the difficulty is increased for a display algorithm carried out by matching the Mini LED backlight source.
Disclosure of Invention
To solve the technical problems in the background art, a first aspect of the present invention provides a backlight, including:
a substrate;
a plurality of light emitting units arranged on the substrate at intervals; and
the net piece comprises a plurality of hollow structures which correspond to the plurality of light-emitting units one by one;
the mesh piece is provided with a plurality of hollow structures which are sleeved on the plurality of light-emitting units one by one, and the mesh piece is provided with a reflection structure which is used for reflecting light emitted by the side light-emitting surface of each light-emitting unit so that the reflected light is perpendicular to the direction of the surface of the substrate and is collected.
Optionally, the reflecting structure includes reflecting blocks respectively disposed around each hollow structure of the mesh, and a reflecting curved surface is formed on one surface of each reflecting block close to the hollow structure.
Optionally, the method further comprises:
a protective layer disposed on the substrate to wrap the plurality of light emitting cells;
wherein, the protective layer is filled with diffusion particles.
Optionally, the net is a net rubber frame.
Optionally, the light emitting unit is a light emitting diode Mini LED.
In a second aspect, the present invention provides a backlight module, including:
the backlight source provided by the first aspect of the invention; and
the light-homogenizing diaphragm layer is arranged on the light-emitting side of the backlight source;
the light homogenizing membrane layer is used for homogenizing the light emitted by the backlight source.
A third aspect of the present invention provides a method for manufacturing a backlight source, which is used for manufacturing the backlight source provided by the first aspect of the present invention, and the method includes:
manufacturing a plurality of light-emitting units arranged at intervals on a provided substrate;
manufacturing a net-shaped piece, wherein a reflecting structure is arranged on the net-shaped piece and used for reflecting light emitted by a side light-emitting surface of each light-emitting unit so as to enable the reflected light to be folded towards a direction vertical to the surface of the substrate;
and sleeving the hollow structures of the net-shaped piece on the light-emitting units one by one.
Optionally, the method further comprises:
forming a protective layer on the substrate to wrap the plurality of light emitting cells;
wherein, the protective layer is filled with diffusion particles.
Optionally, the mesh is a mesh rubber frame, and the mesh rubber frame is integrally formed in an injection molding manner.
The fourth aspect of the present invention provides a display panel, including the backlight module according to the second aspect of the present invention.
A fifth aspect of the present invention provides a display device, comprising the display panel of the fourth aspect of the present invention.
The invention has the following beneficial effects:
in the invention, after the light emitted by the side light emitting surface of each light emitting unit is reflected by the reflecting structure, the diffusivity can be reduced, and the light emitted by the side light emitting surface of each light emitting unit can be effectively utilized, so that the light energy utilization efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram illustrating a substrate and a light-emitting unit in a backlight according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a mesh in a backlight according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a backlight according to an embodiment of the present invention.
Fig. 4 illustrates an optical path diagram of light emitted from a light emitting unit in the related art.
Fig. 5 is a diagram showing an optical path of light emitted from the light emitting unit after being reflected by the reflecting structure in the present embodiment;
fig. 6 is a schematic structural diagram of a backlight module according to another embodiment of the invention;
FIG. 7 is a schematic diagram of a backlight module according to the prior art;
fig. 8 is a flowchart illustrating a method for manufacturing a backlight according to another embodiment of the invention.
In the figure: 100. a substrate; 200. a light emitting unit; 210. a side light emitting face; 220. a top light emitting surface; 300. a mesh; 310. a reflection block; 400. a protective layer; 500. homogenizing the membrane layer.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the invention.
One embodiment of the present disclosure provides a backlight, comprising: a substrate 100, a plurality of light emitting cells 200, and a mesh 300.
Specifically, fig. 1 shows a schematic structural diagram of a substrate 100 and light emitting units 200 in this embodiment, fig. 2 shows a schematic structural diagram of a mesh 300, in the example of fig. 1, the substrate 100 may be a circuit board, a plurality of light emitting units 200 are disposed on the substrate 100 at intervals, in the example of fig. 2, the mesh 300 includes a plurality of hollow structures corresponding to the plurality of light emitting units 200 one by one, in the example of fig. 3, the plurality of hollow structures of the mesh 300 are sleeved on the plurality of light emitting units 200 one by one, further, in the example of fig. 4, each light emitting unit 200 includes a side light emitting surface 210 and a top light emitting surface 220, as can be seen from fig. 4, light emitted from the side light emitting surface 210 is diffused to the periphery of the light emitting unit 200, light emitted from the top light emitting surface 220 is diffused to the top of the light emitting unit 200, since the light emitting side of the backlight is located on the same side as the top light emitting surface 220 of the light emitting unit 200, therefore, most of the light emitted from the top light-emitting surface 220 of the light-emitting unit 200 is emitted through the light-emitting side, and only a small part of the light emitted from the side light-emitting surface 210 of the light-emitting unit 200 is emitted through the light-emitting side, so as to effectively utilize the light emitted from the side light-emitting surface 210 of the light-emitting unit 200 and improve the light energy utilization efficiency, a reflective structure is disposed on the mesh 300, and the reflective structure is used for reflecting the light emitted from the side light-emitting surface 210 of each light-emitting unit 200, so that the reflected light is collected in a direction perpendicular to the surface of the substrate 100.
In this embodiment, after the light emitted from the side light emitting surface 210 of each light emitting unit 200 is reflected by the reflection structure, the diffusivity can be reduced, the light emitted from the side light emitting surface 210 of each light emitting unit 200 can be effectively utilized, thereby improving the light energy utilization efficiency, and meanwhile, the light mixing distance of each light emitting unit 200 can be effectively reduced by adjusting the light emitting shape of each light emitting unit 200, thereby reducing the thickness of the device, so that the light emitting halo of each light emitting unit 200 is correspondingly reduced, i.e., the size of the PSF curve of each light emitting unit 200 is limited, and the adjustment of the display algorithm is facilitated.
In some optional implementation manners of this embodiment, referring back to fig. 3, the reflection structure includes reflection blocks 310 respectively disposed around each hollow structure of the mesh 300, and a reflection curved surface is formed on one surface of each reflection block 310 close to the hollow structure.
Specifically, the periphery of each hollow structure of the mesh 300 is provided with the corresponding reflection block 310, and the plurality of hollow structures of the mesh 300 are sleeved on the plurality of light emitting units 200 one by one, so the periphery of each light emitting unit 200 is provided with the corresponding reflection block 310, as shown in fig. 5, when each light emitting unit 200 emits light, the reflection curved surface on the reflection block 310 around each light emitting unit 200 reflects the light emitted from the side light emitting surface 210 of the light emitting unit 200, so that the reflected light is folded in a direction perpendicular to the surface of the substrate 100, the diffusivity is correspondingly reduced, the light emitted from the side light emitting surface 210 of the light emitting unit 200 is effectively utilized, the light energy utilization efficiency is improved, and meanwhile, the light mixing distance of the light emitting unit 200 can be effectively reduced by adjusting the light emitting shape of each light emitting unit 200, therefore, the thickness of the device is reduced, so that the halo of light emitted by each light-emitting unit 200 is correspondingly reduced, i.e. the size of the PSF curve of each light-emitting unit 200 is limited, which is beneficial to the adjustment of the display algorithm.
It should be noted that, as will be understood by those skilled in the art, the shape of the reflection surface disposed on one side of each reflection block 310 close to the hollow structure is not limited to a curved surface, and other shapes capable of reflecting light should also fall within the protection scope of the present invention, and for example, the shape of the reflection surface may also be a sawtooth shape.
In some optional implementations of this embodiment, the method further includes:
a protective layer 400 disposed on the substrate 100 to wrap the plurality of light emitting cells 200;
the protective layer 400 is filled with diffusion particles, and the protective layer 400 is used for diffusing light emitted from the light emitting units 200.
Specifically, as shown in fig. 6, the protective layer 400 may be a photosynthetic glue, and the diffusion particles may be particles formed of a high refractive index, transparent optical material such as polycarbonate or polymethyl methacrylate, which have a diameter of the order of micrometers, in this embodiment, the diffusion particles filled in the protection layer 400 can diffuse light emitted from the plurality of light emitting cells 200, thereby scattering the light emitted from the light emitting unit 200, and simultaneously, in cooperation with the reflection structure, effectively reducing the light intensity, so that the light emitted from the light emitting unit 200 is more uniform, further, fig. 7 shows a schematic structural view of a backlight module in the prior art, as can be seen from a comparison of fig. 6 and 7, by disposing the reflection block 310 around each light emitting cell 200, and the diffusion particles are filled in the protective layer 400, the light emitted from the light emitting unit 200 can be more uniform.
In some optional implementations of this embodiment, the net 300 is a net-shaped rubber frame.
Specifically, the mesh 300 in this embodiment is integrally formed by injection molding, so that the mesh is easy to mold and mass production can be realized.
In some optional implementations of the present embodiment, the light emitting unit 200 is a light emitting diode Mini LED.
Another embodiment of the present invention provides a backlight module, as shown in fig. 6, the backlight module includes the backlight source and a light-equalizing film layer disposed on the light-emitting side of the backlight source.
Specifically, as can be seen from the above, the light-emitting side of the backlight source and the top light-emitting surface 220 of the light-emitting unit 200 are located on the same side, and the light-homogenizing film layer disposed on the light-emitting side of the backlight source mainly performs the light-homogenizing treatment on the light emitted by the backlight source, so as to improve the light-homogenizing effect of the backlight module.
Another embodiment of the present invention further provides a method for manufacturing a backlight, which is used to manufacture the backlight provided in the foregoing embodiment, and as shown in fig. 8, the method includes:
fabricating a plurality of light emitting cells 200 arranged at intervals on the provided substrate 100;
manufacturing a mesh 300, wherein a reflection structure is arranged on the mesh 300, and the reflection structure is used for reflecting light emitted by the side light-emitting surface 210 of each light-emitting unit 200, so that the reflected light is collected towards a direction perpendicular to the surface of the substrate 100;
the plurality of hollow structures of the mesh 300 are sleeved on the plurality of light emitting units 200 one by one.
Specifically, in this embodiment, the substrate 100 may be a circuit board, a plurality of light emitting units 200 are disposed on the substrate 100 at intervals, the mesh 300 includes a plurality of hollow structures corresponding to the plurality of light emitting units 200 one by one, and the plurality of hollow structures of the mesh 300 are sleeved on the plurality of light emitting units 200 one by one, further, each light emitting unit 200 includes a side light emitting surface 210 and a top light emitting surface 220, light emitted from the side light emitting surface 210 is diffused around the light emitting unit 200, light emitted from the top light emitting surface 220 is diffused toward the top surface of the light emitting unit 200, since the light emitting side of the backlight source is located on the same side as the top light emitting surface 220 of the light emitting unit 200, most of the light emitted from the top light emitting surface 220 of the light emitting unit 200 is emitted from the light emitting side, and only a small portion of the light emitted from the side light emitting surface 210 of the light emitting unit 200 is emitted from the light emitting side, in order to effectively utilize the light emitted from the side light emitting surfaces 210 of the light emitting units 200 and improve the light energy utilization efficiency, the mesh 300 is provided with a reflection structure for reflecting the light emitted from the side light emitting surfaces 210 of each light emitting unit 200, so that the reflected light is gathered in a direction perpendicular to the surface of the substrate 100, and further, the mesh 300 can be disposed on the substrate 100 through an attaching process.
In some optional implementations of this embodiment, the method further includes:
forming a protective layer 400 on the substrate 100 to wrap the plurality of light emitting cells 200;
wherein, the protective layer 400 is filled with diffusion particles.
In some optional implementations of this embodiment, the mesh 300 is a mesh plastic frame, and the mesh plastic frame is integrally formed by injection molding.
Specifically, the mesh member 300 in this embodiment is integrally formed by injection molding, so that the mesh member is easy to mold and mass production can be realized.
The invention further provides a display panel, which comprises the backlight module in the embodiment.
Still another embodiment of the present embodiment also provides a display device including the display panel in the above embodiment.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (11)
1. A backlight, comprising:
a substrate;
a plurality of light emitting units arranged on the substrate at intervals; and
the net piece comprises a plurality of hollow structures which correspond to the plurality of light-emitting units one by one;
the mesh piece is provided with a plurality of hollow structures which are sleeved on the plurality of light-emitting units one by one, and the mesh piece is provided with a reflection structure which is used for reflecting light emitted by the side light-emitting surface of each light-emitting unit so that the reflected light is perpendicular to the direction of the surface of the substrate and is collected.
2. The backlight source of claim 1, wherein the reflective structure comprises reflective blocks respectively disposed around each of the hollow structures of the mesh, and a reflective curved surface is formed on a surface of each of the reflective blocks adjacent to the hollow structure.
3. The backlight module of claim 1, further comprising:
a protective layer disposed on the substrate to wrap the plurality of light emitting cells;
wherein, the protective layer is filled with diffusion particles.
4. The backlight of claim 1, wherein the mesh is a mesh frame.
5. The backlight of claim 1, wherein the light emitting units are light emitting diodes Mini LEDs.
6. A backlight module, comprising:
the backlight of any one of claims 1-5; and
the light-homogenizing diaphragm layer is arranged on the light-emitting side of the backlight source;
the light homogenizing membrane layer is used for homogenizing the light emitted by the backlight source.
7. A method for manufacturing a backlight according to any one of claims 1 to 4, the method comprising:
manufacturing a plurality of light-emitting units arranged at intervals on a provided substrate;
manufacturing a net-shaped piece, wherein a reflecting structure is arranged on the net-shaped piece and used for reflecting light emitted by a side light-emitting surface of each light-emitting unit so as to enable the reflected light to be folded towards a direction vertical to the surface of the substrate;
and sleeving the hollow structures of the net-shaped piece on the light-emitting units one by one.
8. The method of manufacturing according to claim 7, further comprising:
forming a protective layer on the substrate to wrap the plurality of light emitting cells;
wherein, the protective layer is filled with diffusion particles.
9. The manufacturing method of claim 7, wherein the net-shaped piece is a net-shaped rubber frame which is integrally formed in an injection molding mode.
10. A display panel comprising the backlight module as claimed in claim 6.
11. A display device characterized by comprising the display panel according to claim 10.
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| CN201911030109.9A CN110727145A (en) | 2019-10-28 | 2019-10-28 | Backlight source, manufacturing method, backlight module, display panel and display device |
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| CN201911030109.9A CN110727145A (en) | 2019-10-28 | 2019-10-28 | Backlight source, manufacturing method, backlight module, display panel and display device |
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Cited By (14)
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|---|---|---|---|---|
| CN111290172A (en) * | 2020-02-27 | 2020-06-16 | 京东方科技集团股份有限公司 | Area light source structure, manufacturing method thereof and display device |
| CN112526786A (en) * | 2020-11-27 | 2021-03-19 | 北海惠科光电技术有限公司 | Color film substrate, display panel and display device |
| CN112558355A (en) * | 2020-12-17 | 2021-03-26 | 业成科技（成都）有限公司 | Backlight module and display panel |
| CN112859446A (en) * | 2021-03-01 | 2021-05-28 | 业成科技（成都）有限公司 | Display device and backlight module thereof |
| WO2021104445A1 (en) * | 2019-11-29 | 2021-06-03 | 海信视像科技股份有限公司 | Display device |
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| WO2021128507A1 (en) * | 2019-12-26 | 2021-07-01 | 惠州市华星光电技术有限公司 | Back plate structure and display device |
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| CN114153095A (en) * | 2021-12-02 | 2022-03-08 | 上海中航光电子有限公司 | Backlight module, preparation method thereof and display device |
| WO2022077411A1 (en) * | 2020-10-16 | 2022-04-21 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN114942547A (en) * | 2022-06-01 | 2022-08-26 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN115097672A (en) * | 2022-07-25 | 2022-09-23 | 业成科技（成都）有限公司 | Backlight module, image generation unit, head-up display and vehicle |
| CN115453790A (en) * | 2022-11-09 | 2022-12-09 | 惠科股份有限公司 | Backlight module and display device |
| WO2023159690A1 (en) * | 2022-02-28 | 2023-08-31 | 广州华星光电半导体显示技术有限公司 | Display backplane and mobile terminal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440925A (en) * | 2008-12-03 | 2009-05-27 | 苏州世鼎电子有限公司 | Lampshade structure of backlight module with LED as light source |
| CN101576228A (en) * | 2008-05-07 | 2009-11-11 | 群康科技(深圳)有限公司 | Luminous element, backlight module and liquid crystal display device |
| CN105098014A (en) * | 2015-06-04 | 2015-11-25 | 京东方科技集团股份有限公司 | Light-emitting diode and fabrication method thereof |
| CN106461190A (en) * | 2014-05-14 | 2017-02-22 | Lg伊诺特有限公司 | Light source module and lighting apparatus having same |
| TWM580691U (en) * | 2018-12-26 | 2019-07-11 | 云光科技股份有限公司 | A direct type backlight device |
-
2019
- 2019-10-28 CN CN201911030109.9A patent/CN110727145A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576228A (en) * | 2008-05-07 | 2009-11-11 | 群康科技(深圳)有限公司 | Luminous element, backlight module and liquid crystal display device |
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