CN110716350A - Backlight module and display device - Google Patents

Backlight module and display device Download PDF

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Publication number
CN110716350A
CN110716350A CN201911036111.7A CN201911036111A CN110716350A CN 110716350 A CN110716350 A CN 110716350A CN 201911036111 A CN201911036111 A CN 201911036111A CN 110716350 A CN110716350 A CN 110716350A
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CN
China
Prior art keywords
plate
miniled
backlight module
light source
light
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Pending
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CN201911036111.7A
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Chinese (zh)
Inventor
张鹏
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Wuhan China Star Optoelectronics Technology Co Ltd
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Wuhan China Star Optoelectronics Technology Co Ltd
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Priority to CN201911036111.7A priority Critical patent/CN110716350A/en
Publication of CN110716350A publication Critical patent/CN110716350A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133603Direct backlight with LEDs
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention discloses a backlight module and a display device, wherein the backlight module comprises a back plate, a light source and a light source, wherein the back plate comprises a bottom plate and a side plate vertically connected to the side of the bottom plate; the reflector plate is arranged on the bottom plate; the light guide plate is arranged on the reflector plate, and one surface of the light guide plate facing the bottom plate is a light incident surface; the miniLED light source comprises a light emitting surface, the miniLED light source is covered on the bottom plate in a pasted mode, and the light emitting surface of the miniLED light source is tightly attached to the light incident surface of the light guide plate. According to the backlight module and the display device, the miniLED light source is used as a new light source, the size and the light mixing distance of the light source are reduced, the total width of a frame is further reduced, and the screen occupation ratio of a display area is improved.

Description

Backlight module and display device
Technical Field
The invention relates to the technical field of display, in particular to a backlight module and a display device.
Background
With the development of liquid crystal display technology, especially the development of full-screen technology, the lower boundary of a backlight module (BLU) of a display device is made extremely narrow, which is beneficial to improving the screen occupation ratio of a display area.
In the prior art, the backlight module 1a generally includes an LED light source 10a, a back plate 11a, a reflective sheet 12a, a light guide plate 13a, a diffusion sheet 14a, a brightness enhancement sheet 15a, and a light shielding tape 16 a. The structure of the device can be seen in fig. 1 and 2. The light source in the prior art adopts the LED lamp as a light-emitting structure, and has a large size and a large light mixing distance, so that the light source needs to occupy a large space.
As shown in table 1, table 1 shows parameters of the backlight module 1a with the side-mounted structure and the backlight module 1a with the reversed structure.
Figure BDA0002251540890000011
In table 1, the light source specification refers to the dimension specification of a single LED, and is a standard specification in the industry, the front-rear distance of the LED is the distance from the light emitting surface of the LED to the surface of the lamp panel, and the Chip Pitch is the distance between two adjacent LEDs. Referring to fig. 1 and table 1, the distance of B1 needs to be more than 0.7mm, and the distance of C1 needs to be more than 1mm, resulting in a reduced range of the display area, while the width of the bezel (sum of a1 and D1) is too wide, and the width of the bezel is substantially more than 2 mm. Similarly, referring to fig. 2 and table 1, the distance of B2 needs to be more than 0.9mm, the distance of C1 needs to be more than 0.95mm, resulting in a reduced range of the display area, and the width of the bezel (sum of a2 and D2) is too wide, which is substantially more than 1.8 mm. Therefore, a new backlight module needs to be designed to reduce the width of the frame and improve the screen occupation ratio of the display area.
Disclosure of Invention
In order to solve the technical problems: the invention provides a backlight module and a display device, wherein a miniLED light source is used as a new light source, the size of the light source and the light mixing distance are reduced, the total width of a frame is further reduced, and the screen occupation ratio of a display area is improved.
The technical scheme for solving the problems is as follows: the invention provides a backlight module, which comprises a back plate, a light source and a light source, wherein the back plate comprises a bottom plate and a side plate vertically connected to the side of the bottom plate; the reflector plate is arranged on the bottom plate; the light guide plate is arranged on the reflector plate, and one surface of the light guide plate facing the bottom plate is a light incident surface; the miniLED light source comprises a light emitting surface, the miniLED light source is covered on the bottom plate in a pasted mode, and the light emitting surface of the miniLED light source is tightly attached to the light incident surface of the light guide plate.
In an embodiment of the invention, a distance between one side of the miniLED light source far away from the side plate and the side plate is less than or equal to 0.5 mm.
In an embodiment of the invention, the miniLED light source includes a lamp panel; the miniLED lamp is arranged on the lamp panel; and the transparent packaging glue layer is arranged on the lamp panel, and the lamp panel is provided with one surface of the miniLED lamp and covers the miniLED lamp.
In one embodiment of the invention, the thickness of the lamp panel is less than or equal to 0.1mm, and the width of the lamp panel ranges from 0.2mm to 0.5 mm; the thickness of the transparent packaging adhesive layer is less than or equal to 0.4 mm.
In an embodiment of the present invention, the bottom plate includes a first plate body, and the reflective sheet is disposed on the first plate body; one side of the first bent part is connected to one side of the first plate body facing the side plate, and the other side of the first bent part is bent to one side far away from the light guide plate; one side of the second plate body is connected to the other side of the first bending part, and the other side of the second plate body is vertically connected to the side plate; the second plate body, the first bending part, the side plate and the light guide plate are enclosed to form a containing cavity for containing the miniLED light source.
In an embodiment of the present invention, the side plate includes a side plate body, one side of which is vertically connected to the second plate body; one side of the second bending part is connected to the other side of the side plate body, and the other side of the second bending part is bent towards the upper part of the light guide plate; the back plate further comprises a top plate, and one side of the top plate is connected to the other side of the second bending part.
In an embodiment of the present invention, the backlight module further includes a diffusion sheet disposed on the light guide plate; and the functional membrane is arranged on the diffusion sheet and arranged on the same layer with the top plate.
In an embodiment of the invention, the backlight module further includes a light-shielding tape disposed on the functional film, and one side of the light-shielding tape extends to the top plate.
In an embodiment of the invention, a distance from one side of the light-shielding tape away from the top plate to one side of the miniLED light source away from the side plate is less than or equal to 0.9 mm.
In an embodiment of the invention, the backlight module further includes a black single-sided adhesive coated on the bottom plate, the side plate, and the light-shielding adhesive tape.
The invention also provides a display device comprising the backlight module.
The invention has the beneficial effects that: according to the backlight module and the display device, the backlight module is of a reverse structure, and the miniLED light source is used for replacing a bracket lamp or a COB light source in the prior art, so that the size of the light source is reduced, and the distance between one side of the miniLED light source, which is far away from the side plate, and the side plate, namely the B value, is effectively reduced; and the distance from one side of the shading adhesive tape far away from the top plate to one side of the miniLED light source far away from the side plate is reduced, so that the light mixing distance is reduced, the total width of the frame is further reduced, and the screen occupation ratio of the display area is effectively improved.
Drawings
The invention is further explained below with reference to the figures and examples.
Fig. 1 is a structural diagram of a backlight module with a reverse structure in the prior art.
Fig. 2 is a structural diagram of a backlight module with a side-mounted structure in the prior art.
Fig. 3 is a structural diagram of a backlight module according to an embodiment of the invention.
FIG. 4 is a structural diagram of a miniLED light source according to an embodiment of the present invention.
Reference numerals:
1.1 a backlight module;
100 a display device; 1001 display area;
10a LED light source; 11a back plate;
12a reflective sheet; 13a light guide plate;
14a diffusion sheet; 15a brightness enhancement film;
16a light-shielding tape;
a 10 miniLED light source; 11a back plate;
12a reflector plate; 13a light guide plate;
14a diffusion sheet; 15 functional membrane;
16a light-shielding tape; 17 black single-sided adhesive;
18 a receiving cavity;
101, a lamp panel; 102miniLED lamps;
103 transparent packaging glue layer; a 111 base plate;
112 side plates; 113 a top plate;
1111 a first plate body; 1112 a first bending part;
1113 a second plate body; 1121 side plate body;
1122 second bend.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
As shown in fig. 3, in an embodiment of the invention, the backlight module 1 includes a miniLED light source 10, a back plate 11, a reflective sheet 12, a light guide plate 13, a diffusion sheet 14, a functional film 15, a light-shielding tape 16, and a black single-sided adhesive 17.
As shown in fig. 4, the miniLED light source 10 includes a lamp panel 101, a miniLED lamp 102, and a transparent encapsulating adhesive layer 103. The lamp panel 101 is an FPC lamp panel 101, the thickness of the lamp panel 101 is less than or equal to 0.1mm, and the width of the lamp panel 101 is 0.2mm-0.5 mm. The miniLED lamps 102 are distributed on the lamp panel 101, all the miniLED lamps 102 are distributed in a linear shape, the distance between two adjacent miniLED lamps 102 is less than or equal to 5mm, and in the embodiment, the distance is preferably 0.5mm to 1.1 mm. Transparent encapsulation glue film 103 sets up lamp plate 101 has the one side of miniLED lamp 102 to cover miniLED lamp 102. The thickness of the transparent packaging adhesive layer 103 is less than or equal to 0.3mm, and preferably ranges from 0.1mm to 0.2 mm. One surface of the transparent packaging adhesive layer 103, which is far away from the lamp panel 101, is a light-emitting surface, and the width of the light-emitting surface is 0.2mm-0.5 mm.
Referring to fig. 3, the back plate 11 is a metal back plate, and includes a bottom plate 111, a side plate 112 and a top plate 113, wherein the side plate 112 is perpendicularly connected to a side of the bottom plate 111, and the bottom plate 111 and the top plate 113 are disposed in parallel. The thickness of the back plate 11 is typically 0.1mm + -0.02 mm. Specifically, the bottom plate 111 includes a first plate 1111, a first bending portion 1112, and a second plate 1113. One side of the first bent portion 1112 is connected to one side of the first plate body 1111 facing the side plate 112, and the other side of the first bent portion 1112 is bent away from one side of the light guide plate 13; one side of the second plate 1113 is connected to the other side of the first bending portion 1112, and the other side of the second plate 1113 is vertically connected to the side plate 112. The side plate 112 includes a side plate body 1121, a second bent portion 1122, and one side of the side plate body 1121 is vertically connected to the second plate 1113; one side of the second bent portion 1122 is connected to the other side of the side plate body 1121, and the other side of the second bent portion 1122 is bent toward the upper side of the light guide plate 13; one side of the top plate 113 is connected to the other side of the second bent portion 1122.
Referring to fig. 3, the reflective sheet 12 is disposed on the first plate 1111. The light guide plate 13 is disposed on the reflection sheet 12, and one surface of the light guide plate 13 facing the bottom plate 111 is a light incident surface. The second plate 1113, the first bent portion 1112, the side plate 112 and the light guide plate 13 form an accommodating cavity 18 for accommodating the miniLED light source 10.
Referring to fig. 3, the lamp panel 101 of the miniLED light source 10 is attached to the bottom plate 111, in this embodiment, the lamp panel 101 is attached to the second plate 1113 by glue or double-sided tape, and the light-emitting surface of the miniLED light source 10 is closely attached to the light-incident surface of the light guide plate 13.
As shown in fig. 3, the distance between the side of the miniLED light source 10 away from the side plate 112 and the side plate 112 is less than or equal to 0.6mm, that is, the B value is less than or equal to 0.6mm, in this embodiment, the B value is 0.35mm, then the width of the transparent encapsulating adhesive layer 103 used in this embodiment can be 0.3mm, and the width of the lamp panel 101 can also be 0.3 mm.
It can be seen that the value of B in this example is much smaller than the value of B1 or B2 in the prior art.
Referring to fig. 3, the diffusion sheet 14 is disposed on the light guide plate 13; the functional film 15 is provided on the diffusion sheet 14 in the same layer as the top plate 113. The functional membrane 15 may include a prism sheet and a brightness enhancement sheet, and the prism sheet and the brightness enhancement sheet are stacked.
Referring to fig. 3, the light-shielding tape 16 is disposed on the functional film 15, and one side of the light-shielding tape 16 extends to the top plate 113. The black single-sided adhesive 17 is coated on the bottom plate 111, the side plate 112 and the light-shielding adhesive tape 16.
Referring to fig. 3, a distance from a side of the light-shielding tape 16 away from the top plate 113 to a side of the miniLED light source 10 away from the side plate 112 is less than or equal to 0.9mm, that is, in fig. 3, a C value is less than or equal to 0.9 mm. Therefore, in this embodiment, the C value is much smaller than the C1 value and the C2 value in the related art, and the width of the entire light-shielding tape 16 is much smaller than the width of the light-shielding tape 16 in the related art. Therefore, the frame width of the backlight module 1 in this embodiment is much smaller than the frame width in the prior art, that is, the frame width is the sum of the D value and the a value shown in fig. 3, the D value is the sum of the B value and the C value, and the D value in this embodiment is less than or equal to 1.45 mm. And the value a is the sum of the thickness of the back plate 11 and the thickness of the light-shielding tape 16, and the thickness of the back plate 11 and the thickness of the light-shielding tape 16 are generally difficult to be thinned on the original basis, so that compared with the prior art, after the value B and the value C are effectively reduced, the value D is also effectively reduced, thereby further reducing the total width of the frame on the basis of the prior art and effectively improving the screen occupation ratio of the display area 1001.
Referring to fig. 3, the present invention further provides a display device 100 including the backlight module 1. The design point of the scheme is that the backlight module 1 is not repeated any more when being arranged on other devices of the display device, such as an array substrate, a color film substrate and the like.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A backlight module is characterized by comprising
The back plate comprises a bottom plate and a side plate vertically connected to the side of the bottom plate;
the reflector plate is arranged on the bottom plate;
the light guide plate is arranged on the reflector plate, and one surface of the light guide plate facing the bottom plate is a light incident surface;
the miniLED light source comprises a light emitting surface, the miniLED light source is covered on the bottom plate in a pasted mode, and the light emitting surface of the miniLED light source is tightly attached to the light incident surface of the light guide plate.
2. The backlight module as claimed in claim 1, wherein a distance between a side of the miniLED light source away from the side plate and the side plate is less than or equal to 0.6 mm.
3. The backlight module as claimed in claim 1, wherein the miniLED light source comprises a lamp panel;
the miniLED lamp is arranged on the lamp panel;
and the transparent packaging glue layer is arranged on the lamp panel, and the lamp panel is provided with one surface of the miniLED lamp and covers the miniLED lamp.
4. The backlight module according to claim 3, wherein the thickness of the lamp plate is less than or equal to 0.1mm, and the width of the lamp plate ranges from 0.2mm to 0.6 mm; the thickness of the transparent packaging adhesive layer is less than or equal to 0.4 mm.
5. A backlight module according to claim 1, wherein the chassis comprises
The reflector plate is arranged on the first plate body;
one side of the first bent part is connected to one side of the first plate body facing the side plate, and the other side of the first bent part is bent to one side far away from the light guide plate;
one side of the second plate body is connected to the other side of the first bending part, and the other side of the second plate body is vertically connected to the side plate;
the second plate body, the first bending part, the side plate and the light guide plate are enclosed to form a containing cavity for containing the miniLED light source.
6. The backlight module according to claim 5, wherein the side plate comprises a side plate body, one side of which is perpendicularly connected to the second plate body;
one side of the second bending part is connected to the other side of the side plate body, and the other side of the second bending part is bent towards the upper part of the light guide plate;
the back plate further comprises a top plate, and one side of the top plate is connected to the other side of the second bending part.
7. The backlight module of claim 6, further comprising
The diffusion sheet is arranged on the light guide plate;
and the functional membrane is arranged on the diffusion sheet and arranged on the same layer with the top plate.
8. The backlight module of claim 7, further comprising
The shading adhesive tape is arranged on the functional membrane, and one side of the shading adhesive tape extends to the top plate; and the black single-sided adhesive is coated on the bottom plate, the side plates and the shading adhesive tape.
9. The backlight module according to claim 8, wherein the distance from the side of the light-shielding tape away from the top plate to the side of the miniLED light source away from the side plate is less than or equal to 0.9 mm.
10. A display device comprising a backlight module according to any one of claims 1 to 9.
CN201911036111.7A 2019-10-29 2019-10-29 Backlight module and display device Pending CN110716350A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201911036111.7A CN110716350A (en) 2019-10-29 2019-10-29 Backlight module and display device

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Publication Number Publication Date
CN110716350A true CN110716350A (en) 2020-01-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113721388A (en) * 2021-08-30 2021-11-30 京东方科技集团股份有限公司 Backlight module and display module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110255024A1 (en) * 2010-04-20 2011-10-20 Samsung Electronics Co., Ltd. Display apparatus
CN102980105A (en) * 2012-12-04 2013-03-20 京东方科技集团股份有限公司 Backlight module and display device
CN107422529A (en) * 2017-08-04 2017-12-01 纳晶科技股份有限公司 Back light unit and the display device for including it

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110255024A1 (en) * 2010-04-20 2011-10-20 Samsung Electronics Co., Ltd. Display apparatus
CN102980105A (en) * 2012-12-04 2013-03-20 京东方科技集团股份有限公司 Backlight module and display device
CN107422529A (en) * 2017-08-04 2017-12-01 纳晶科技股份有限公司 Back light unit and the display device for including it

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113721388A (en) * 2021-08-30 2021-11-30 京东方科技集团股份有限公司 Backlight module and display module
CN113721388B (en) * 2021-08-30 2023-12-01 京东方科技集团股份有限公司 Backlight module and display module

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