CN114488621A - Spliced light-emitting panel, backlight module and spliced display panel - Google Patents
Spliced light-emitting panel, backlight module and spliced display panel Download PDFInfo
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- CN114488621A CN114488621A CN202210238537.6A CN202210238537A CN114488621A CN 114488621 A CN114488621 A CN 114488621A CN 202210238537 A CN202210238537 A CN 202210238537A CN 114488621 A CN114488621 A CN 114488621A
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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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Planar Illumination Modules (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The application discloses concatenation luminescent panel, backlight unit and concatenation display panel, concatenation luminescent panel include a plurality of luminescent substrate, splice each other between two adjacent luminescent substrate, and the concatenation luminescent panel includes: the light-emitting unit is correspondingly arranged at the splicing position of the two adjacent light-emitting substrates, and the light-emitting unit arranged at the splicing position of the two adjacent light-emitting substrates is fixed on the two adjacent light-emitting substrates. At least one light-emitting unit is correspondingly arranged at the splicing position of two adjacent light-emitting substrates, and the light-emitting units arranged at the splicing position of two adjacent light-emitting substrates are fixed on the two adjacent light-emitting substrates, so that the light-emitting units emit light at the splicing position of the two adjacent light-emitting substrates, and the problem of splicing blind seams is solved.
Description
Technical Field
The application relates to the technical field of display, especially, relate to a concatenation luminescent panel, backlight unit and concatenation display panel.
Background
The large-size spliced light-emitting panel is one of the current research hotspots because the large-size display can be realized. However, the large-size spliced light-emitting panel is formed by splicing a plurality of light-emitting substrates, and a splicing seam exists between two adjacent light-emitting substrates, so that a splicing seam dark band appears when the large-size spliced light-emitting panel emits light, and the splicing seam dark band affects the display effect.
Therefore, it is necessary to provide a technical solution to solve the problem of the blind strip of the splice seam when the large-sized spliced light-emitting panel emits light.
Disclosure of Invention
An object of this application is to provide a concatenation luminescent panel, backlight unit and concatenation display panel to improve the concatenation seam dark band problem that exists when concatenation luminescent panel, backlight unit and concatenation display panel are luminous.
In order to realize the purpose, the technical scheme is as follows:
the utility model provides a concatenation luminescent panel, concatenation luminescent panel includes a plurality of luminous base plates, adjacent two splice each other between the luminous base plate, the concatenation luminescent panel includes:
the LED lamp comprises a plurality of light-emitting units, wherein at least one light-emitting unit is correspondingly arranged at the splicing positions of two adjacent light-emitting substrates, and the light-emitting units arranged at the splicing positions of the two adjacent light-emitting substrates are fixed on the two adjacent light-emitting substrates.
In some embodiments, the tiled light emitting panel further comprises:
and the plane assembly is positioned on the back side of the light-emitting surfaces of the light-emitting substrates, and the light-emitting substrates are fixed on the plane assembly.
In some embodiments, the tiled light emitting panel further comprises a tape bonding the light emitting substrate and the planar assembly.
In some embodiments, the adhesive tape is located on the back of the light-emitting surface of the light-emitting substrate and is disposed close to the splicing end of the light-emitting substrate.
In some embodiments, the light emitting unit includes a first pin and a second pin;
the two adjacent light-emitting substrates close to the splicing position respectively comprise a first conductive pad and a second conductive pad;
the first pin of the light emitting unit is connected to the first conductive pad of one of the light emitting substrates, and the second pin of the light emitting unit is connected to the second conductive pad of the other light emitting substrate.
In some embodiments, the plurality of light emitting cells are arrayed in a row direction and a column direction, and a pitch between any two adjacent light emitting cells in the row direction is equal and a pitch between any two adjacent light emitting cells in the column direction is equal.
In some embodiments, the light emitting substrate includes a substrate on which a plurality of the light emitting units are fixed.
In some embodiments, the light emitting unit is selected from at least one of a micro light emitting diode and a sub-millimeter light emitting diode.
A backlight module comprises the spliced light-emitting panel.
A spliced display panel comprises the spliced light-emitting panel.
Has the advantages that: the application provides a concatenation luminescent panel, backlight unit and concatenation display panel, the concatenation position department through two adjacent luminous base plates corresponds and is provided with at least one luminescence unit, the luminescence unit that corresponds the concatenation position department setting of two adjacent luminous base plates is fixed in on two adjacent luminous base plates for the concatenation position department of two adjacent luminous base plates has luminescence unit ability to give out light, and then improves the concatenation hidden joint problem. In addition, the light-emitting units arranged at the splicing positions corresponding to the two adjacent light-emitting substrates are fixed on the two adjacent light-emitting substrates, so that the light-emitting units arranged at the splicing positions corresponding to the two adjacent light-emitting substrates are the same as the light-emitting units at other positions of the light-emitting substrates, the brightness of the light at the splicing positions tends to be the same as the brightness of the light emitted at other positions of the light-emitting substrates, and the brightness uniformity of the spliced light-emitting panel, the backlight module and the spliced display panel during light emission is improved.
Drawings
FIG. 1 is a schematic plan view of a tiled light emitting panel according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view A-A of the tiled light emitting panel of FIG. 1;
FIG. 3 is a schematic plan view of another embodiment of the present application splicing together light emitting panels.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 and 2, fig. 1 is a schematic plan view of a spliced light-emitting panel according to an embodiment of the present application, and fig. 2 is a schematic cross-sectional view of the spliced light-emitting panel shown in fig. 1 along a-a. The spliced light-emitting panel 10 comprises a plurality of light-emitting substrates 20, two adjacent light-emitting substrates 20 are spliced with each other through a clamping structure or a fixed connecting piece, and the splicing position 20a is arranged at the splicing position between two adjacent light-emitting substrates 20.
The plurality of light emitting substrates 20 include a plurality of substrates 202 and a plurality of light emitting cells 201, and the plurality of light emitting cells 201 are fixed on the plurality of substrates 202. At least one light-emitting unit 201 is arranged at the splicing position 20a corresponding to two adjacent light-emitting substrates 20, and the light-emitting units 201 arranged at the splicing position 20a corresponding to two adjacent light-emitting substrates 20 are fixed on the two adjacent light-emitting substrates 20; a plurality of light emitting cells 201 distant from the splice position 20a are fixed to one light emitting substrate 20.
Each light emitting cell 201 includes a first lead 2011 and a second lead 2012. The light emitting unit 201 is at least one selected from micro light emitting diodes and sub-millimeter light emitting diodes. The height of the light emitting cells 201 is 20-120 microns.
A plurality of first conductive pads 2021 and a plurality of second conductive pads 2022 are disposed on the substrate 202. The first lead 2011 of the light emitting unit 201 is connected to the first conductive pad 2021 of the substrate 202 one-to-one, and the second lead 2012 of the light emitting unit 201 is connected to the second conductive pad 2022 of the substrate 202 one-to-one. The substrate 202 is a printed circuit board. The substrate 202 has a thickness of 150 microns to 200 microns. It is understood that the substrate 202 may also be a glass substrate.
The first lead 2011 and the second lead 2012 of the light emitting unit 201 may be connected to the first conductive pad 2021 and the second conductive pad 2022 of the substrate 202 by soldering or by conductive adhesive.
Adjacent to the joint position 20a of the two adjacent light emitting substrates 20, two adjacent substrates 202 are respectively provided with a row of first conductive pads 2021 and a row of second conductive pads 2022, and the first conductive pads 2021 of the row of first conductive pads 2021 and the second conductive pads 2022 of the row of second conductive pads 2022 are arranged side by side one to one. For example, a first conductive pad 2021 is disposed on one substrate 202 near the joint position 20a, and a second conductive pad 2022 is disposed on another adjacent substrate 202 near the joint position 20a and is arranged side by side with respect to the first conductive pad 2021. The first pin 2011 of one light emitting unit 201 is connected to a first conductive pad 2021 of one light emitting substrate 20, and the second pin 2012 of the light emitting unit 201 is connected to a second conductive pad 2022 of another light emitting substrate 20, so as to fix the light emitting unit 201, which is disposed at the joint position 20a corresponding to two adjacent light emitting substrates 20, to the two adjacent light emitting substrates 20.
The substrate 202 further includes a pair of first conductive pads 2021 and a second conductive pad 2022 disposed adjacently side by side, and a plurality of pairs of first conductive pads 2021 and a second conductive pad 2022 disposed on the substrate 202 at a position far from the splicing position 20 a. The first lead 2011 and the second lead 2012 of one light emitting unit 201 are respectively connected to the first conductive pad 2021 and the second conductive pad 2022 which are adjacently disposed in pairs on one light emitting substrate 20.
The plurality of light emitting units 201 are arrayed on the plurality of substrates 202 in the row direction and the column direction, the distance between any two adjacent light emitting units 201 in the row direction is equal, and the distance between any two adjacent light emitting units 201 in the column direction is equal, that is, the light emitting unit 201 arranged at the splicing position 20a corresponding to the two adjacent light emitting substrates 20 and the light emitting unit 201 far away from the splicing position 20a are fixed on the substrates 202 without difference, so that the spliced light emitting panel 10 has uniform brightness everywhere when emitting light.
The splice light-emitting panel 10 further includes a planar assembly 30, the planar assembly 30 is located on the back side of the light-emitting surface of the light-emitting substrates 20, and the light-emitting substrates 20 are fixed on the planar assembly 30 to fix the light-emitting substrates 20, so as to prevent the light-emitting units 201 at the position of the seams from falling due to uneven stress caused by the up-and-down movement of the single light-emitting substrate 20. The planar member 30 is a plate, and the planar member 30 may be a plastic substrate.
The tiled light emitting panel 10 further includes an adhesive tape that bonds the light emitting substrates 20 to the planar member 30 to secure the plurality of light emitting substrates 20 to the planar member 30. It is understood that a magnetic assembly, a screw nut, or the like may be used to fix the plurality of light emitting substrates 20 to the planar assembly 30.
The adhesive tape is located on the back of the light-emitting surface of the light-emitting substrate 20, and at least a part of the adhesive tape is disposed near the splicing end of the light-emitting substrate 20, so as to prevent the splicing end of the light-emitting substrate 20 from moving and causing the plurality of light-emitting units 201 disposed at the splicing position 20a corresponding to two adjacent light-emitting substrates 20 to fall off. Wherein the adhesive tape is a double-sided adhesive tape.
Specifically, the tapes include a first tape 401, a second tape 402, a third tape 403, and a fourth tape 404. The first adhesive tape 401, the second adhesive tape 402, the third adhesive tape 403 and the fourth adhesive tape 404 are disposed on the back of the light-emitting surface of one light-emitting substrate 20, the first adhesive tape 401 and the second adhesive tape 402 are disposed opposite to each other and respectively close to two opposite splicing ends of the light-emitting substrate 20, and the third adhesive tape 403 and the fourth adhesive tape 404 are disposed opposite to each other and respectively located at two opposite ends adjacent to the splicing ends, so that each light-emitting substrate 20 is stably fixed on the planar assembly 30.
This embodiment concatenation luminescent panel corresponds through the concatenation position department of two adjacent luminescent substrate and is provided with at least one luminescence unit, corresponds on the luminescence unit that the concatenation position department of two adjacent luminescent substrate set up is fixed in two adjacent luminescent substrate for the concatenation position department of two adjacent luminescent substrate has luminescence unit can give out light, and then improves the concatenation hidden joint problem. In addition, the light-emitting units arranged at the splicing positions corresponding to the two adjacent light-emitting substrates are fixed on the two adjacent light-emitting substrates, so that the light-emitting units arranged at the splicing positions corresponding to the two adjacent light-emitting substrates are the same as the light-emitting units at other positions of the light-emitting substrates, and the light brightness at the splicing positions tends to be the same as the light-emitting brightness at other positions of the light-emitting substrates. In addition, the spliced light-emitting panel can be prepared by splicing a plurality of substrates and fixing the substrates on the plane assembly and then punching a plurality of light-emitting units on the plurality of substrates.
Please refer to fig. 3, which is a schematic plan view of a tiled light emitting panel according to another embodiment of the present application. The tiled light emitting panel shown in fig. 3 is substantially similar to the tiled light emitting panel shown in fig. 1, except that a light emitting strip 50 is disposed at a splicing position 20a corresponding to two adjacent light emitting substrates 20, the light emitting strip 50 includes a strip-shaped substrate 501 and a light emitting unit 201, and the strip-shaped substrate 501 is fixed to the two adjacent light emitting substrates 20.
The strip-shaped substrate 501 may be fixed on two adjacent light-emitting substrates 20 by a magnetic assembly or a connection assembly. The light emitting unit 201 may be connected to the tape substrate 501 by soldering or conductive paste. The tape substrate 501 may be a flexible printed circuit board.
The application provides a backlight module which is applied to a liquid crystal display device. Backlight unit is straight following formula backlight unit, and backlight unit includes the concatenation luminescent panel, and the concatenation luminescent panel includes a plurality of luminescent substrate, splices each other between two adjacent luminescent substrate, and the concatenation luminescent panel includes: the LED lamp comprises a plurality of light-emitting units, wherein at least one light-emitting unit is correspondingly arranged at the splicing positions of two adjacent light-emitting substrates, and the light-emitting units arranged at the splicing positions of the two adjacent light-emitting substrates are fixed on the two adjacent light-emitting substrates.
The application still provides a concatenation display panel, and concatenation display panel is applied to jumbo size display screen, and concatenation display panel includes the concatenation luminescent panel, and the concatenation luminescent panel includes: the LED lamp comprises a plurality of light-emitting units, wherein at least one light-emitting unit is correspondingly arranged at the splicing positions of two adjacent light-emitting substrates, and the light-emitting units arranged at the splicing positions of the two adjacent light-emitting substrates are fixed on the two adjacent light-emitting substrates.
The above description of the embodiments is only for assisting understanding of the technical solutions and the core ideas thereof; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. The utility model provides a concatenation luminescent panel, its characterized in that, concatenation luminescent panel includes a plurality of luminescent substrate, adjacent two splice each other between the luminescent substrate, the concatenation luminescent panel includes:
the LED lamp comprises a plurality of light-emitting units, wherein at least one light-emitting unit is correspondingly arranged at the splicing positions of two adjacent light-emitting substrates, and the light-emitting units arranged at the splicing positions of the two adjacent light-emitting substrates are fixed on the two adjacent light-emitting substrates.
2. The tiled light emitting panel of claim 1, further comprising:
and the plane assembly is positioned on the back side of the light-emitting surfaces of the light-emitting substrates, and the light-emitting substrates are fixed on the plane assembly.
3. The tiled light emitting panel of claim 2 further comprising a tape that bonds the light emitting substrate to the planar assembly.
4. The spliced light-emitting panel of claim 3, wherein the adhesive tape is positioned on the back of the light-emitting surface of the light-emitting substrate and is arranged close to the spliced end of the light-emitting substrate.
5. The tiled lighting panel of claim 1, wherein the lighting unit includes a first pin and a second pin;
the two adjacent light-emitting substrates close to the splicing position respectively comprise a first conductive pad and a second conductive pad;
the first pin of the light emitting unit is connected to the first conductive pad of one of the light emitting substrates, and the second pin of the light emitting unit is connected to the second conductive pad of the other light emitting substrate.
6. The tiled light emitting panel of claim 1 wherein a plurality of the light emitting cells are arrayed in a row direction and a column direction, the pitch between any two adjacent light emitting cells in the row direction being equal and the pitch between any two adjacent light emitting cells in the column direction being equal.
7. The tiled lighting panel of claim 1 wherein the light emitting substrate comprises a substrate to which a plurality of the light emitting cells are secured.
8. The tiled lighting panel of claim 1 wherein the lighting elements are selected from at least one of micro-leds, sub-millimeter leds.
9. A backlight module comprising a tiled light emitting panel according to any of claims 1 to 8.
10. A tiled display panel comprising a tiled light emitting panel according to any of the claims 1-8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210238537.6A CN114488621A (en) | 2022-03-11 | 2022-03-11 | Spliced light-emitting panel, backlight module and spliced display panel |
Applications Claiming Priority (1)
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CN202210238537.6A CN114488621A (en) | 2022-03-11 | 2022-03-11 | Spliced light-emitting panel, backlight module and spliced display panel |
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CN202210238537.6A Pending CN114488621A (en) | 2022-03-11 | 2022-03-11 | Spliced light-emitting panel, backlight module and spliced display panel |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115116346A (en) * | 2022-06-22 | 2022-09-27 | Tcl华星光电技术有限公司 | Tiled display device |
CN115167035A (en) * | 2022-09-08 | 2022-10-11 | 惠科股份有限公司 | Backlight module and display device |
CN116991003A (en) * | 2023-09-27 | 2023-11-03 | 惠科股份有限公司 | Light-emitting substrate, backlight module and display device |
US11871518B1 (en) | 2023-06-19 | 2024-01-09 | HKC Corporation Limited | Backlight module and display device |
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CN108873485A (en) * | 2018-09-10 | 2018-11-23 | 惠州市隆利科技发展有限公司 | A kind of sliceable direct-light-type backlight |
CN109656058A (en) * | 2019-01-14 | 2019-04-19 | 惠州市华星光电技术有限公司 | A kind of backlight module and its display device |
CN110034105A (en) * | 2019-03-25 | 2019-07-19 | 苏州佳世达电通有限公司 | Display panel and preparation method thereof |
CN212361638U (en) * | 2020-06-02 | 2021-01-15 | 漳州立达信光电子科技有限公司 | Spliced light source board, combined light source board and T8 lamp tube |
CN112863390A (en) * | 2021-03-09 | 2021-05-28 | 上海中航光电子有限公司 | Light-emitting module, backlight module and display device |
CN214375710U (en) * | 2020-12-30 | 2021-10-08 | 武汉华星光电技术有限公司 | Backlight module and display device |
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2022
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108873485A (en) * | 2018-09-10 | 2018-11-23 | 惠州市隆利科技发展有限公司 | A kind of sliceable direct-light-type backlight |
CN109656058A (en) * | 2019-01-14 | 2019-04-19 | 惠州市华星光电技术有限公司 | A kind of backlight module and its display device |
CN110034105A (en) * | 2019-03-25 | 2019-07-19 | 苏州佳世达电通有限公司 | Display panel and preparation method thereof |
CN212361638U (en) * | 2020-06-02 | 2021-01-15 | 漳州立达信光电子科技有限公司 | Spliced light source board, combined light source board and T8 lamp tube |
CN214375710U (en) * | 2020-12-30 | 2021-10-08 | 武汉华星光电技术有限公司 | Backlight module and display device |
CN112863390A (en) * | 2021-03-09 | 2021-05-28 | 上海中航光电子有限公司 | Light-emitting module, backlight module and display device |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115116346A (en) * | 2022-06-22 | 2022-09-27 | Tcl华星光电技术有限公司 | Tiled display device |
CN115116346B (en) * | 2022-06-22 | 2023-10-17 | Tcl华星光电技术有限公司 | Spliced display device |
CN115167035A (en) * | 2022-09-08 | 2022-10-11 | 惠科股份有限公司 | Backlight module and display device |
US11871518B1 (en) | 2023-06-19 | 2024-01-09 | HKC Corporation Limited | Backlight module and display device |
CN116991003A (en) * | 2023-09-27 | 2023-11-03 | 惠科股份有限公司 | Light-emitting substrate, backlight module and display device |
CN116991003B (en) * | 2023-09-27 | 2023-12-22 | 惠科股份有限公司 | Light-emitting substrate, backlight module and display device |
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