CN113327515A - Mini-LED backlight module and display device - Google Patents

Mini-LED backlight module and display device Download PDF

Info

Publication number
CN113327515A
CN113327515A CN202110577373.5A CN202110577373A CN113327515A CN 113327515 A CN113327515 A CN 113327515A CN 202110577373 A CN202110577373 A CN 202110577373A CN 113327515 A CN113327515 A CN 113327515A
Authority
CN
China
Prior art keywords
mini
backlight module
led backlight
light
lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110577373.5A
Other languages
Chinese (zh)
Inventor
程希
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
TCL China Star Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TCL China Star Optoelectronics Technology Co Ltd filed Critical TCL China Star Optoelectronics Technology Co Ltd
Priority to CN202110577373.5A priority Critical patent/CN113327515A/en
Publication of CN113327515A publication Critical patent/CN113327515A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133608—Direct backlight including particular frames or supporting means

Landscapes

  • Physics & Mathematics (AREA)
  • 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 application discloses a Mini-LED backlight module and a display device, wherein the Mini-LED backlight module comprises a back plate and lamp panels laid on the back plate, the lamp panels comprise a plurality of spliced lamp panel monomers, and a splicing seam exists between any two lamp panel monomers; the backlight module further comprises at least one light gathering element, and the light gathering element is arranged on one side, far away from the backboard, of the lamp panel monomer and covers the abutted seam. The spotlight component has the effect of spotlight, set up in piece department can increase the utilization ratio of light, improves the luminance of piece department improves the lamp plate is in piece department causes the problem of dark zone easily, improves display effect.

Description

Mini-LED backlight module and display device
Technical Field
The application relates to the technical field of display, in particular to a Mini-LED backlight module and a display device adopting the Mini-LED backlight module.
Background
With the higher demand of the high-level TV market for image quality, the improvement of display image quality becomes a new demand of the high-level TV. At present, the 8K OLED is limited by the problems of a compensation circuit, an IGZO back plate technology, a driving design and the like, and needs to be developed. The Mini LED has the advantages of brightness and power consumption compared with OLED as a brand new display technology. Because the Mini LED back plate only supports a small size at present, when the Mini LED back plate is used as a large-size television backlight, a plurality of lamp panels are often required to be spliced into a large size. But the piece will exist between two adjacent lamp plates, and this piece does not have any shelter from thing, therefore the light that LED shines here can't reflect back, and the light utilization ratio of here is lower, therefore the luminance of piece department can reduce, leads to here finally to appear the dark band.
Therefore, improvement is urgently needed to overcome the defects in the prior art.
Disclosure of Invention
An object of this application is to provide a Mini-LED backlight unit and display device for improve the lamp plate is in the seam department causes the problem of dark zone easily, improves display effect.
The embodiment of the application provides a Mini-LED backlight module, Mini-LED backlight module includes: a back plate; the lamp panel is laid on the back plate; the lamp panel comprises a plurality of lamp panel single bodies which are spliced, and a splicing seam exists between any two lamp panel single bodies; and the light condensation element is arranged on one side of the lamp panel monomer, which is far away from the back plate, and covers the abutted seam.
Optionally, in some embodiments of the present application, the light-condensing element includes a convex lens and a concave mirror.
Optionally, in some embodiments of the present application, a reflective film is disposed on a side of the convex lens close to the back plate.
Optionally, in some embodiments of the present application, the convex lens includes at least one of a hemispherical lens, a rectangular pyramid lens, a triangular prism lens, and a cross-shaped triangular prism lens; the concave mirrors comprise a spherical concave mirror and a rectangular pyramid concave mirror.
Optionally, in some embodiments of the present application, a light reflecting adhesive tape is disposed in the seam.
Optionally, in some embodiments of the present application, an upper surface of the retroreflective tape is flush with a lower surface of the concentrating element.
Optionally, in some embodiments of the present application, the lamp panel unit includes: the substrate is laid on the back plate; the lamp beads are arranged on the substrate in an array manner; and the reflector plate is arranged on the substrate and is exposed out of the lamp beads.
Optionally, in some embodiments of the present application, the height of the light-concentrating element is lower than the height of the lamp bead.
Optionally, in some embodiments of the present application, the substrate includes a glass substrate, a ceramic substrate, a metal substrate, and a PCB substrate.
Correspondingly, the application also provides a display device, and the display device comprises the Mini-LED backlight module in any embodiment.
Compared with the prior art, the application provides a Mini-LED backlight module and display device, through setting up the spotlight component, will the spotlight component set up in the lamp plate monomer is kept away from one side of backplate, and is covered the piece. The spotlight component has the effect of spotlight, set up in piece department can increase the utilization ratio of light, improves the luminance of piece department improves the lamp plate is in piece department causes the problem of dark zone easily, improves display effect.
Furthermore, convex lens is close to one side of backplate is provided with the reflective membrane, convex lens can spotlight on the one hand, on the other hand the setting of reflective membrane can make the shine convex lens bottom surface's light can more reflect extremely convex lens's top surface, further improves convex lens's spotlight effect. The splicing seams are internally provided with light reflecting adhesive strips, the reflectivity of each light reflecting adhesive strip is more than 90%, the light reflecting adhesive strips can play a role in fixing the two adjacent lamp panel single bodies, the stability between the lamp panel single bodies is improved, and when the Mini-LED backlight module receives impact, the light reflecting adhesive strips arranged in the splicing seams can play a role in buffering stress to a certain extent; and on the other hand, the light condensation effect of the light condensation element can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, 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 cross-sectional view of a film layer of a Mini-LED backlight module according to the present application;
FIG. 2 is a schematic diagram of a film layer of a Mini-LED backlight module according to the present application;
FIG. 3 is a schematic view of another film layer of the Mini-LED backlight module of the present application;
FIGS. 4A-4D are schematic cross-sectional views of various embodiments of the concentrating element of the present application;
FIG. 5 is a schematic cross-sectional view of another film layer of the Mini-LED backlight module of the present application;
fig. 6 is an enlarged view of a portion of the structure in a film layer in the area a of fig. 5.
Description of the main reference numerals:
Figure BDA0003084908170000031
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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless otherwise stated, the use of directional terms such as "upper", "lower", "left" and "right" may refer to the actual use or operation of the device, may refer to the drawing direction in the drawings, and may refer to two opposite directions; while "inner" and "outer" are with respect to the outline of the device.
Specifically, referring to fig. 1 to 4, an embodiment of the present application provides a Mini-LED backlight module 10, including a backplane 100 and a lamp panel 200 laid on the backplane 100, where the lamp panel 200 includes a plurality of lamp panel monomers 210 arranged in a splicing manner, and a splice 300 exists between any two lamp panel monomers 210; the backlight module 10 further includes at least one light condensing element 400, wherein the light condensing element 400 is disposed on one side of the lamp panel unit 210 away from the back plate 100 and covers the seam 300. The light condensing element 400 has a light condensing effect, is arranged at the joint 300 to increase the light utilization rate, improve the brightness of the joint 300, improve the lamp panel 200 and easily cause the problem of dark bands at the joint 300, and improve the display effect. Lamp plate 200 lays on backplate 100, just lamp plate 200 includes polylith lamp plate monomer 210 of concatenation setting. The number of LEDs in the Mini-LED backlight area reaches thousands or even tens of thousands, because the Mini-LED backlight area is limited by a proofing machine, Mini-LED products are all small-size lamp panel monomers, and then the small-size lamp panel monomers are spliced into a large-size lamp panel. The number of the specific lamp panel monomers can be set according to needs, and the specific limitation is not made here. And the plurality of blocks comprises two blocks or more than two blocks. The single splicing mode of polylith lamp plate can be single row multiseriate according to the size requirement and splice, also can be multirow multiseriate concatenation. The specific laying mode of the lamp panel 200 can refer to the prior art, and is not repeated here.
Referring to fig. 2 to 4D, in an embodiment of the present application, the light-gathering element 400 includes a convex lens and a concave mirror. The convex lens comprises at least one of a hemispherical lens, a rectangular pyramid lens 401, a triangular prism lens 403, a T-shaped triangular prism lens 404 and a cross-shaped triangular prism lens 402; the concave mirrors comprise a spherical concave mirror and a rectangular pyramid concave mirror.
It is understood that the light-gathering element 400 is not limited to the type of the light-gathering element 400 as long as the light-gathering element 400 covers the seam 300, and the light-gathering element 400 may be a combination of different types of convex lenses or concave mirrors. For example: as shown in fig. 2, the light-condensing element 400 is composed of a rectangular pyramid lens 401, a cross-shaped triangular prism lens 402, a triangular prism lens 403, and a T-shaped triangular prism lens 404, respectively.
Preferably, as shown in fig. 3, the light-gathering element 400 is composed of a plurality of rectangular pyramid lenses 401 arranged, and the bottom surfaces of the rectangular pyramid lenses 401 are preferably square surfaces, that is, the rectangular pyramid lenses are rectangular pyramid lenses, so that the light-gathering effect of the light-gathering element 400 at the seams 300 is ensured to be equal everywhere.
As shown in fig. 4A to 4D, the cross-section of the light-collecting element 400 may be semicircular, triangular, concave-planar, and concave-curved, and each of the cross-sections corresponds to a different type of light-collecting element. For example: the semicircular section corresponds to the hemispherical lens, and the triangular section corresponds to the rectangular pyramid lens 401, the triangular prism lens 403, the T-shaped triangular prism lens 404, the cross-shaped triangular prism lens 402 and the like; the rectangular pyramid concave mirror is opposite to the concave plane section, and the concave curved surface section corresponds to the spherical concave mirror and the like.
Furthermore, a reflective film is arranged on one side of the convex lens close to the back plate 100, and the convex lens can condense light on one hand; on the other hand, through the setting of reflective membrane, can make the light that shines the convex lens bottom surface can more reflect extremely the top surface of convex lens, further improve the spotlight effect of convex lens. For example: the reflective film may be formed by coating a fluorescent material on the bottom surface of the convex lens, specifically, the fluorescent material strip is formed by dots of the fluorescent material distributed in a dispersed manner, and the distribution density of the dots of the fluorescent material decreases from a position close to the center line of the patchwork 300 to a position far from the center line. Because the dark band caused by the seam 300 is more obvious at the central line position of the seam 300, the distribution density of the fluorescent material points is reduced from the position close to the central line of the seam 300 to the position far away from the central line, so that the light supplementing effect on the middle of the seam 300 is strong, the light supplementing effect on the edge is weak, the optical transition of the area above the seam 300 is more natural, and the optical quality is further improved.
As shown in FIG. 5, in an embodiment of the present application, a light-reflecting rubber strip 500 is disposed in the seam 300, the reflectivity of the light-reflecting rubber strip 500 is above 90%, and PA6T, PA9T, PCT, EMC or SMC materials can be used. The upper surface of the light reflecting strip 500 is flush with the lower surface of the light condensing element 400. It can be understood that the reflective adhesive tape 500 is arranged in the abutted seam 300, so that the reflective adhesive tape 500 can play a role in fixing the two adjacent lamp panel single bodies 210, and the stability between the lamp panel single bodies 210 is improved, and because the hardness of the reflective adhesive tape 500 is generally lower than that of the lamp panel single bodies 210, when the Mini-LED backlight module 10 receives an impact, the reflective adhesive tape 500 arranged in the abutted seam 300 can play a role in buffering stress to a certain extent; on the other hand, the upper surface of the light reflecting strip 500 is flush with the lower surface of the light condensing element 400, which can serve as a light reflecting film in the above embodiments, and can improve the light condensing effect of the light condensing element 400.
As shown in fig. 6, in an embodiment of the present application, the lamp panel unit 210 includes: a substrate 211; a plurality of lamp beads 212, the plurality of lamp beads 212 being arranged in an array on the substrate 211; the reflector 213 is disposed on the substrate 211, and the lamp beads 212 are exposed. The reflector plate 213 can be specifically adhered to the substrate 211 through a back adhesive or the like, and a position, corresponding to the lamp bead 212, of the reflector plate 213 is correspondingly provided with a avoidance hole; the reflective sheet 213 may be a whole sheet structure or a spliced structure as needed. The substrate 211 includes a glass substrate, a ceramic substrate, a metal substrate, and a PCB substrate, which is not limited in this application. Preferably, the height of the light-gathering element 400 is lower than that of the lamp bead 212, so that the light emitted by the lamp bead 212 can be ensured to irradiate on the light-gathering element 400, and be reflected or refracted by the light-gathering element 400 for gathering light.
Preferably, the width of the light condensing element 400 is greater than the width of the seam 300 at the splicing position of the lamp panel single body 210. For example: when the width of the seam 300 is 5mm, the width of the light condensing element 400 is greater than 5mm, so that the light supplementing effect at the seam 300 is ensured.
The present application further provides a display device, where the display device may include the Mini-LED backlight module according to any embodiment of the present application, and therefore, the display device provided by the present application has the technical effects of the technical solutions in any embodiment described above, and the beneficial technical effects of the display device provided by the present application may refer to the descriptions in the embodiments described above, and are not described herein again. The display device provided by the embodiment of the application can be a mobile phone, and can also be any electronic product with a display function, including but not limited to the following categories: the mobile terminal comprises a television, a notebook computer, a desktop display, a tablet computer, a digital camera, an intelligent bracelet, intelligent glasses, a vehicle-mounted display, medical equipment, industrial control equipment, a touch interaction terminal and the like, and the embodiment of the application is not particularly limited in this respect.
To sum up, the embodiment of the present application provides a Mini-LED backlight module 10, which includes a backplane 100 and a lamp panel 200 laid on the backplane 100, where the lamp panel 200 includes a plurality of lamp panel monomers 210 arranged in a splicing manner, and a splice 300 exists between any two lamp panel monomers 210; the backlight module 10 further includes at least one light condensing element 400, wherein the light condensing element 400 is disposed on one side of the lamp panel unit 210 away from the back plate 100 and covers the seam 300. The light condensing element 400 has a light condensing effect, is arranged at the joint 300 to increase the light utilization rate, improve the brightness of the joint 300, improve the lamp panel 200 and easily cause the problem of dark bands at the joint 300, and improve the display effect.
Furthermore, convex lens is close to one side of backplate 100 is provided with the reflective membrane, convex lens can spotlight on the one hand, on the other hand the setting of reflective membrane can make the shine convex lens bottom surface's light can more reflect extremely convex lens's top surface, further improves convex lens's spotlight effect. A reflective adhesive tape 500 is arranged in the abutted seam 300, the reflectivity of the reflective adhesive tape 500 is more than 90%, so that the reflective adhesive tape 500 can play a role in fixing the two adjacent lamp panel single bodies 210, the stability between the lamp panel single bodies 210 is improved, and when the Mini-LED backlight module 10 receives impact, the reflective adhesive tape 500 arranged in the abutted seam 300 can play a role in buffering stress to a certain extent; on the other hand, the light condensing effect of the light condensing element 400 can be improved.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. The utility model provides a Mini-LED backlight unit which characterized in that: the Mini-LED backlight module comprises:
a back plate;
the lamp panel is laid on the back plate; the lamp panel comprises a plurality of lamp panel single bodies which are spliced, and a splicing seam exists between any two lamp panel single bodies; and
at least one spotlight component, spotlight component set up in the lamp plate monomer is kept away from one side of backplate, and covers the piece.
2. The Mini-LED backlight module of claim 1, wherein: the light-gathering element comprises a convex lens and a concave mirror.
3. The Mini-LED backlight module of claim 2, wherein: and a reflective film is arranged on one side of the convex lens close to the back plate.
4. The Mini-LED backlight module of claim 2, wherein: the convex lens comprises at least one of a hemispherical lens, a rectangular pyramid lens, a triangular prism lens and a cross triangular prism lens; the concave mirrors comprise a spherical concave mirror and a rectangular pyramid concave mirror.
5. The Mini-LED backlight module of claim 1, wherein: and a light-reflecting adhesive tape is arranged in the abutted seam.
6. The Mini-LED backlight module of claim 5, wherein: the upper surface of the light-reflecting adhesive tape is flush with the lower surface of the light-gathering element.
7. The Mini-LED backlight module of claim 1, wherein: the lamp plate monomer includes:
the substrate is laid on the back plate;
the lamp beads are arranged on the substrate in an array manner;
and the reflector plate is arranged on the substrate and is exposed out of the lamp beads.
8. The Mini-LED backlight module of claim 7, wherein: the height of the light-gathering element is lower than that of the lamp bead.
9. The Mini-LED backlight module of claim 7, wherein: the substrate comprises a glass substrate, a ceramic substrate, a metal substrate and a PCB substrate.
10. A display device, characterized in that: the display device comprises the Mini-LED backlight module as set forth in any one of claims 1 to 9.
CN202110577373.5A 2021-05-26 2021-05-26 Mini-LED backlight module and display device Pending CN113327515A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110577373.5A CN113327515A (en) 2021-05-26 2021-05-26 Mini-LED backlight module and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110577373.5A CN113327515A (en) 2021-05-26 2021-05-26 Mini-LED backlight module and display device

Publications (1)

Publication Number Publication Date
CN113327515A true CN113327515A (en) 2021-08-31

Family

ID=77416955

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110577373.5A Pending CN113327515A (en) 2021-05-26 2021-05-26 Mini-LED backlight module and display device

Country Status (1)

Country Link
CN (1) CN113327515A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114187835A (en) * 2021-12-10 2022-03-15 Tcl华星光电技术有限公司 Backlight module and display device
CN114265237A (en) * 2021-12-22 2022-04-01 绵阳惠科光电科技有限公司 Backlight module and display device
CN114267261A (en) * 2021-12-22 2022-04-01 绵阳惠科光电科技有限公司 Splicing type backlight module, assembling method thereof and splicing display device
CN114333627A (en) * 2021-12-31 2022-04-12 惠科股份有限公司 Backlight module and display device
CN114488620A (en) * 2022-03-02 2022-05-13 Tcl华星光电技术有限公司 Display panel and lamp panel
CN114578617A (en) * 2022-02-28 2022-06-03 惠州华星光电显示有限公司 Backlight module and display device
CN114627749A (en) * 2022-03-16 2022-06-14 广州华星光电半导体显示技术有限公司 Backlight module and display device
CN114967238A (en) * 2022-07-26 2022-08-30 惠科股份有限公司 Display device, backlight module and control method thereof
CN115202118A (en) * 2022-07-29 2022-10-18 惠科股份有限公司 Display panel, manufacturing method of display panel and display device
CN115685625A (en) * 2022-11-30 2023-02-03 武汉天马微电子有限公司 Backlight module and display device
CN115755460A (en) * 2022-08-12 2023-03-07 苏州华星光电技术有限公司 Backlight module and display device
US11862051B2 (en) 2022-03-02 2024-01-02 Tcl China Star Optoelectronics Technology Co., Ltd. Display panel and light board

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110349942A (en) * 2019-07-01 2019-10-18 武汉华星光电技术有限公司 Mini LED backlight panel, backlight module
CN209591361U (en) * 2019-04-24 2019-11-05 京东方科技集团股份有限公司 A kind of backing structure and display module
CN110456552A (en) * 2019-08-13 2019-11-15 杨冠男 A kind of large scale seamless tiled display system
CN110703495A (en) * 2019-09-17 2020-01-17 武汉华星光电技术有限公司 Backlight module and display device
CN112002217A (en) * 2020-09-10 2020-11-27 上海中航光电子有限公司 Splicing type backlight module and display device
CN212694219U (en) * 2020-08-18 2021-03-12 深圳市康冠科技股份有限公司 Mini-LED backlight module and display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209591361U (en) * 2019-04-24 2019-11-05 京东方科技集团股份有限公司 A kind of backing structure and display module
CN110349942A (en) * 2019-07-01 2019-10-18 武汉华星光电技术有限公司 Mini LED backlight panel, backlight module
CN110456552A (en) * 2019-08-13 2019-11-15 杨冠男 A kind of large scale seamless tiled display system
CN110703495A (en) * 2019-09-17 2020-01-17 武汉华星光电技术有限公司 Backlight module and display device
CN212694219U (en) * 2020-08-18 2021-03-12 深圳市康冠科技股份有限公司 Mini-LED backlight module and display device
CN112002217A (en) * 2020-09-10 2020-11-27 上海中航光电子有限公司 Splicing type backlight module and display device

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023103051A1 (en) * 2021-12-10 2023-06-15 Tcl华星光电技术有限公司 Backlight module and display device
US12072576B2 (en) 2021-12-10 2024-08-27 Tcl China Star Optoelectronics Technology Co., Ltd. Backlight module and display device
CN114187835A (en) * 2021-12-10 2022-03-15 Tcl华星光电技术有限公司 Backlight module and display device
CN114265237A (en) * 2021-12-22 2022-04-01 绵阳惠科光电科技有限公司 Backlight module and display device
CN114267261A (en) * 2021-12-22 2022-04-01 绵阳惠科光电科技有限公司 Splicing type backlight module, assembling method thereof and splicing display device
CN114267261B (en) * 2021-12-22 2024-06-11 绵阳惠科光电科技有限公司 Spliced backlight module, assembling method thereof and spliced display device
US11927843B2 (en) 2021-12-31 2024-03-12 HKC Corporation Limited Backlight module and display device
WO2023124290A1 (en) * 2021-12-31 2023-07-06 惠科股份有限公司 Backlight module and display apparatus
CN114333627B (en) * 2021-12-31 2022-09-27 惠科股份有限公司 Backlight module and display device
CN114333627A (en) * 2021-12-31 2022-04-12 惠科股份有限公司 Backlight module and display device
US12061393B2 (en) 2022-02-28 2024-08-13 Huizhou China Star Optoelectronics Display Co., Ltd. Backlight module and display device
CN114578617A (en) * 2022-02-28 2022-06-03 惠州华星光电显示有限公司 Backlight module and display device
CN114578617B (en) * 2022-02-28 2023-10-13 惠州华星光电显示有限公司 Backlight module and display device
US11862051B2 (en) 2022-03-02 2024-01-02 Tcl China Star Optoelectronics Technology Co., Ltd. Display panel and light board
CN114488620A (en) * 2022-03-02 2022-05-13 Tcl华星光电技术有限公司 Display panel and lamp panel
CN114627749A (en) * 2022-03-16 2022-06-14 广州华星光电半导体显示技术有限公司 Backlight module and display device
WO2023173479A1 (en) * 2022-03-16 2023-09-21 广州华星光电半导体显示技术有限公司 Backlight module and display device
US11841524B2 (en) 2022-03-16 2023-12-12 Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Backlight module and display device
US11774800B1 (en) 2022-07-26 2023-10-03 HKC Corporation Limited Display device, backlight module and control method
CN114967238A (en) * 2022-07-26 2022-08-30 惠科股份有限公司 Display device, backlight module and control method thereof
CN114967238B (en) * 2022-07-26 2023-01-03 惠科股份有限公司 Display device, backlight module and control method thereof
US11860498B1 (en) 2022-07-29 2024-01-02 HKC Corporation Limited Display panel and method for manufacturing the same, and display device
CN115202118A (en) * 2022-07-29 2022-10-18 惠科股份有限公司 Display panel, manufacturing method of display panel and display device
CN115755460A (en) * 2022-08-12 2023-03-07 苏州华星光电技术有限公司 Backlight module and display device
CN115755460B (en) * 2022-08-12 2024-04-12 苏州华星光电技术有限公司 Backlight module and display device
US11953780B2 (en) 2022-08-12 2024-04-09 Suzhou China Star Optoelectronics Technology Co., Ltd. Backlight module and display device
CN115685625B (en) * 2022-11-30 2024-05-07 武汉天马微电子有限公司 Backlight module and display device
CN115685625A (en) * 2022-11-30 2023-02-03 武汉天马微电子有限公司 Backlight module and display device

Similar Documents

Publication Publication Date Title
CN113327515A (en) Mini-LED backlight module and display device
US20070242479A1 (en) Optical sheet, backlight device and liquid crystal display device
KR102302586B1 (en) Light-Diffusing Lens and Backlight Unit and Display Device having the same
KR102266737B1 (en) lens,light emitting apparatus including the lens, and backlight unit including the apparatus
US7658502B2 (en) Back light structure of liquid crystal display device
CN211979374U (en) Light modulation assembly, backlight module and liquid crystal display device
CN105116594A (en) Backlight module and LCD
WO2023173479A1 (en) Backlight module and display device
US8958152B2 (en) Optical plate and tiled display apparatus having the same
CN111665664B (en) Flexible display device
JP2019021474A (en) Backlight device, and liquid crystal display device having the same
CN114740652B (en) Backlight module, display panel and display device
CN109407403B (en) Backlight module and display device
CN115390169A (en) Optical film and backlight module
KR20150066847A (en) Material for controlling luminous flux, light emitting device and display device
CN105116605A (en) Backlight module and LCD
CN103742832A (en) Backlight module
CN101191851A (en) Optical plate
WO2016147505A1 (en) Light emission device, display device, and illumination device
US20090052036A1 (en) Prism sheet and liquid crystal display device using the same
KR102344296B1 (en) Display Device having Multiple Display Panel and Plate-type Optical Member therefor
KR102355828B1 (en) Display Device having Multiple Display Panel
US20090033829A1 (en) Prism sheet and liquid crystal display device using the same
JP5223408B2 (en) Optical sheet, backlight unit and display device
JP2009164100A (en) Backlight

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210831