CN111679504B - Backlight module and display panel - Google Patents

Backlight module and display panel Download PDF

Info

Publication number
CN111679504B
CN111679504B CN202010596812.2A CN202010596812A CN111679504B CN 111679504 B CN111679504 B CN 111679504B CN 202010596812 A CN202010596812 A CN 202010596812A CN 111679504 B CN111679504 B CN 111679504B
Authority
CN
China
Prior art keywords
backlight module
plate
display panel
retaining wall
sealing member
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.)
Active
Application number
CN202010596812.2A
Other languages
Chinese (zh)
Other versions
CN111679504A (en
Inventor
章守东
邢朝军
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.)
Wuhan China Star Optoelectronics Technology Co Ltd
Original Assignee
Wuhan 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 Wuhan China Star Optoelectronics Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Technology Co Ltd
Priority to CN202010596812.2A priority Critical patent/CN111679504B/en
Publication of CN111679504A publication Critical patent/CN111679504A/en
Application granted granted Critical
Publication of CN111679504B publication Critical patent/CN111679504B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086Positioning aspects
    • 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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • 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

Landscapes

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

Abstract

The invention provides a backlight module and a display panel, wherein the backlight module comprises: the rubber frame comprises a retaining wall and a supporting plate which protrudes towards the inner surface of the retaining wall and is vertical to the inner surface of the retaining wall; the backplate, including bottom plate and curb plate, the curb plate is laminated in the inner wall of barricade, and curb plate and backup pad are provided with cyclic annular sealing member on the contact surface, this sealing member is used for preventing water from gluing in the frame invades the backplate, the material of this sealing member is rubber pad or waterproof bubble cotton, still be used for restricting gluey frame and backplate emergence relative displacement, ensure that display panel can transport safely under high humidity environment such as extreme weather, promote display panel's stability, need not attached sticky tape between backplate and the gluey frame, avoid backlight unit to heavily be good at because of getting rid of the cull, cause display panel's damaged problem easily, thereby promote display panel's production yield.

Description

Backlight module and display panel
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to a backlight module and a display panel.
Background
The common display panel mainly comprises a rubber frame, a back plate, an optical assembly and a display panel. Wherein, the display panel is placed on the rubber frame. The display panel and the whole machine product are transported in high-humidity environment such as extreme weather, so that the relative motion among the rubber frame, the back plate, the optical assembly and the display panel is prevented, and water is prevented from invading the display panel.
In the prior art, the display panel includes a backlight module and a display module, the backlight module includes a back plate, a reflector plate located in the back plate, a light source located on the surface of the reflector plate, a light guide plate located on the surface of the light source, an optical film material located on the surface of the light guide plate, a glue frame attached to the side surface of the back plate, and a glue tape packaged on the back plate and the glue frame, wherein the glue tape is annular, so that water is prevented from permeating into the backlight module from a gap position, the display module includes an array substrate, a color film substrate arranged opposite to the array substrate, and a liquid crystal layer located between the array substrate and the color film substrate. In the in-process of transportation, transport and storage, backlight unit can take place horizontal relative motion usually, and the sticky tape plays the effect of preventing backplate and gluey frame to take place the skew simultaneously, if want to disassemble display panel, then need heat backlight unit and make the sticky tape of pasting soften, and then demolish display panel by hand. However, when the display panel is reworked, the residual adhesive is left on the adhered surface of the back plate and the adhesive frame, the cleaning is not easy, the display panel needs to be manually disassembled, the damage of the display panel is easily caused, and in addition, the display panel needs to be heated before being disassembled, so the efficiency is further reduced.
Therefore, a new structure needs to be designed to solve the problems that the display panel is easy to cause water to permeate into the backlight module from the gap position, the residual glue is generated during heavy operation, and the display module is easy to break and low in efficiency.
Disclosure of Invention
The invention provides a backlight module and a display panel, which can solve the problems that in the prior art, water is easy to permeate into the backlight module from a gap position, residual glue is generated during heavy work, the display module is easy to break and the efficiency is low.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the invention provides a backlight module, comprising: the rubber frame comprises a retaining wall and a supporting plate which protrudes towards the inner surface of the retaining wall and is vertical to the inner surface of the retaining wall; the backplate, with it sets up relatively to glue the frame, including bottom plate and curb plate, the curb plate laminate in the inner wall of barricade, just the curb plate with the backup pad is provided with cyclic annular sealing member on the contact surface, the sealing member is used for preventing steam from following glue the frame with the butt joint department of backplate invades in the backlight unit.
According to a preferred embodiment of the present invention, the sealing member is made of a rubber pad or waterproof foam, and the sealing member is further used for limiting the relative displacement between the rubber frame and the back plate.
According to a preferred embodiment of the present invention, the side plate and the supporting plate are symmetrically provided with a locking groove on two sides of a contact surface, and the sealing member is filled in the locking groove.
According to a preferred embodiment of the present invention, a clamping groove is disposed on one side of a contact surface between the side plate and the support plate, and one end of the sealing member is located in the clamping groove.
According to a preferred embodiment of the present invention, the side plate includes a rounded portion and a flat portion, the rounded portion includes a rounded surface and a cross surface, and the flat portion is attached to an outer side of the cross surface.
According to a preferred embodiment of the present invention, the rounded portion, the planar portion and the bottom plate are made of iron sheet metal or aluminum sheet metal by welding.
According to a preferred embodiment of the present invention, the bottom plate and the side plates form an accommodating cavity, the accommodating cavity is provided with an optical assembly, four corners of the optical assembly are clamped at the inner side of the intersecting surface, and the optical assembly includes a reflection sheet arranged on the bottom plate, a light source arranged on the reflection sheet, a light guide plate arranged on the light source, and an optical film arranged on the light guide plate.
According to a preferred embodiment of the invention, the angles of the optical components and the internal angles of the intersecting faces are the same, both being a predetermined angle α, and 90 ° ≦ α <180 °.
According to the backlight module, the application also provides a display panel, which comprises the backlight module and a display module positioned on the surface of the backlight module.
According to a preferred embodiment of the present invention, the display module includes an array substrate, a color film substrate aligned with the array substrate, and a liquid crystal layer disposed between the array substrate and the color film substrate, a step is disposed on one side of a support plate of the backlight module, the side facing the display module, the step is provided with a stress buffer member, the stress buffer member is used for supporting the array substrate, and the stress buffer member is a rubber block with an optical adhesive wrapped on the surface.
The invention has the beneficial effects that: the invention provides a backlight module and a display panel, wherein the backlight module comprises: the rubber frame comprises a retaining wall and a supporting plate which protrudes towards the inner surface of the retaining wall and is vertical to the inner surface of the retaining wall; the backplate, including bottom plate and curb plate, the curb plate is laminated in the inner wall of barricade, and curb plate and backup pad are provided with cyclic annular sealing member on the contact surface, this sealing member is used for preventing water from gluing in the frame invades the backplate, the material of this sealing member is rubber pad or waterproof bubble cotton, still be used for restricting gluey frame and backplate emergence relative displacement, ensure that display panel can transport safely under high humidity environment such as extreme weather, promote display panel's stability, need not attached sticky tape between backplate and the gluey frame, avoid backlight unit to heavily be good at because of getting rid of the cull, cause display panel's damaged problem easily, thereby promote display panel's production yield.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front view structure diagram of a display panel structure according to an embodiment of the present disclosure.
Fig. 2 is a schematic view of a tape structure in a display panel structure according to an embodiment of the present disclosure.
Fig. 3 is a schematic top view structure diagram of a display panel structure according to an embodiment of the present disclosure.
Fig. 4 is a schematic front view structure diagram of another display panel structure according to an embodiment of the present disclosure.
Fig. 5 is a schematic front view structure diagram of another display panel structure according to an embodiment of the present disclosure.
Fig. 6 is a schematic front view structure diagram of another display panel structure according to an embodiment of the present application.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms used in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], etc., refer only 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. In the drawings, elements having similar structures are denoted by the same reference numerals, and broken lines in the drawings indicate that the elements do not exist in the structures, and only the shapes and positions of the structures are explained.
The invention aims to solve the problems that water is easy to permeate into the backlight module from the gap position, the residual glue is generated during heavy work, the display module is easy to break and the efficiency is low in the display panel in the prior art.
The embodiment of the application provides a backlight module, which comprises a rubber frame, a light source and a light guide plate, wherein the rubber frame comprises a retaining wall and a supporting plate which protrudes towards the inner surface of the retaining wall and is vertical to the inner surface of the retaining wall; the backplate sets up with gluing the frame relatively, including bottom plate and curb plate, the curb plate is laminated in the inner wall of barricade, and curb plate and backup pad are provided with annular sealing member on the contact surface, and the sealing member is used for preventing steam from invading backlight unit from gluing the butt joint department of frame and backplate in, and the material of sealing member is rubber pad or waterproof bubble cotton, and the sealing member still is used for the restriction to glue frame and backplate and takes place relative displacement. The side plate comprises a round corner part and a plane part, the round corner part comprises a circular arc surface and a cross surface, and the plane part is attached to the outer side of the cross surface. Fillet portion, plane portion and bottom plate are iron panel beating or aluminium panel beating welding and make, and this plane portion still is provided with the cavity, and the cavity is located the middle part of curb plate for connect adjacent fillet portion. Bottom plate and curb plate are formed with and hold the chamber, hold the chamber and are provided with optical assembly, and four angles cards of optical assembly are held in the inboard of cross surface, and optical assembly is including locating reflector plate on the bottom plate, locating the light source on the reflector plate, locating the light guide plate on the light source, locating the optical film material on the light guide plate. The angles of the optical assembly and the internal angles of the crossed surfaces are the same and are preset angles alpha, and alpha is larger than or equal to 90 degrees and smaller than 180 degrees.
According to the backlight module, the application also provides a display panel, which comprises the backlight module and a display module positioned on the surface of the backlight module.
Specifically, as shown in fig. 1, an embodiment of the present application provides a front view structural diagram of a display panel structure, where the display panel 100 includes a display module 102 and a backlight module located at the back of the display module 102, and the backlight module includes: a rubber frame 1016 including a retaining wall 10161 and a support plate 10162 protruding toward the inner surface of the retaining wall 10161 and perpendicular to the inner surface of the retaining wall 10161; backplate 1011, including bottom plate 10111 and curb plate 10112, the inner wall of barricade 10161 is laminated to curb plate 10112, and curb plate 10112 is provided with cyclic annular sealing member 1017 with backup pad 10162 on the contact surface, sealing member 1017 is used for preventing in vapor permeates the backplate from gluey frame, this sealing member 1017's material is rubber pad or waterproof bubble cotton, still be used for restricting gluey frame 1016 and backplate 1011 and take place relative displacement, consequently, sealing member 1017 both can prevent to take place relative motion between gluey frame 1016 and backplate 1011, can prevent again that water from glue frame 1016 and backplate 1011's clearance from invading in the backplate 1011, can satisfy display panel 100 and transport under high humidity environment such as extreme weather, promote display panel 100's stability.
One side is provided with the draw-in groove on the contact surface of curb plate 10112 and backup pad 10162 in this implementation, this draw-in groove is located backup pad 10162, sealing member 1017 is filled in the draw-in groove, sealing member 1017 prevents on the one hand that vapor from permeating to the backplate from gluing the frame in, on the other hand restriction is glued frame 1016 and backplate 1011 and is taken place relative displacement, can satisfy display panel 100 and transport under high humidity environment such as extreme weather, promote display panel 100's stability, this draw-in groove can also be located curb plate 10112 in another embodiment, sealing member 1017 is filled in the draw-in groove, refer to fig. 4.
As shown in fig. 2, in the present embodiment, the sealing member 1017 is located between the side plate 10112 and the support plate 10162, and is a closed ring structure, a cross section of the ring structure is preferably square or circular, as shown in fig. 3, the side plate 10112 includes a rounded portion 10116 and a plane portion 20113, the rounded portion 10116 includes a circular arc surface 10114 and a cross surface 10115, and the plane portion 10113 is attached to an outer side of the cross surface 20115. Bottom plate 10111 and curb plate 10112 are for iron sheet metal or aluminium sheet metal welding make, are formed with the holding chamber, and the holding chamber is provided with optical component 1018, and optical component 1018 four angles card are held in the inboard of cross section 10115, are convenient for optical component 1018 and cross section 10115 zero clearance contact, and the angle of optical component 1018 angle is the same with the angle of the interior angle of cross section 10115, and is all predetermineeing angle alpha, and 90 is no more than alpha < 180. The optical module 10115 includes a reflective sheet 1012 disposed on the base plate 10111, a light source 1013 disposed on the reflective sheet 1012, a light guide plate 1014 disposed on the light source 1013, and an optical film 1015 disposed on the light guide plate 1014.
The display module 102 includes an array substrate 1021, a color filter substrate 1022 disposed in alignment with the array substrate 1021, and a liquid crystal layer disposed between the array substrate 1021 and the color filter substrate 1022, wherein a step is disposed on one side of the support plate 10162 facing the display module 102, the step is provided with a stress buffer 1023, the stress buffer 1023 is preferably a rubber block with an optical glue wrapped on the surface thereof for supporting the array substrate 1021, a rubber pad 1024 is disposed on the surface of the rubber frame 1016 close to the color filter substrate 1022, and the rubber pad 1024 is used for fixing the color filter substrate 1022.
As shown in fig. 5, an embodiment of the present application provides a schematic front view structure diagram of another display panel structure, the side plate 10112 and the support plate 10162 are symmetrically provided with clamping grooves about two sides of the contact surface, the clamping grooves are located in the side plate 10112 and the support plate 10162, the sealing member 1017 is filled in the clamping grooves, the sealing member 1017 prevents water vapor from penetrating into the back plate from the rubber frame on the one hand, and on the other hand, limits the relative displacement between the rubber frame 1016 and the back plate 1011, so that the display panel 100 can be transported in high humidity environments such as extreme weather, and the stability of the display panel 100 is improved, and other positions and shapes are the same as those in fig. 1, which is not described herein again.
As shown in fig. 6, the embodiment of the present application provides another front view structural schematic diagram of a display panel structure, no clamping groove is provided on the contact surface between the side plate 10112 and the supporting plate 10162, the sealing member 1017 is located between the side plate 10112 and the supporting plate 10162, the sealing member 1017 prevents water vapor from permeating into the back plate from the rubber frame on the one hand, on the other hand, the rubber frame 1016 is limited to relatively displace with the back plate 1011, it can be satisfied that the display panel 100 is transported in high humidity environments such as extreme weather, the stability of the display panel 100 is improved, other positions and shapes are the same as those in fig. 3, and details are not repeated here.
The invention provides a backlight module and a display panel, wherein the backlight module comprises: the rubber frame comprises a retaining wall and a supporting plate which protrudes towards the inner surface of the retaining wall and is vertical to the inner surface of the retaining wall; the backplate, including bottom plate and curb plate, the curb plate is laminated in the inner wall of barricade, and curb plate and backup pad are provided with cyclic annular sealing member on the contact surface, this sealing member is used for preventing in water invades the backplate from gluing the frame, the material of this sealing member is rubber pad or waterproof bubble cotton, still be used for the restriction to glue frame and backplate and take place relative displacement, ensure that display panel can the safe transportation under high humidity environment such as extreme weather, promote display panel's stability, need not attached sticky tape between backplate and the gluey frame, avoid backlight unit to do industrial work again because of getting rid of the cull, cause display panel's damaged problem easily, thereby promote display panel's production yield.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims (9)

1. A backlight module, comprising:
the rubber frame comprises a retaining wall and a supporting plate which protrudes towards the inner surface of the retaining wall and is vertical to the inner surface of the retaining wall;
the back plate is arranged opposite to the rubber frame and comprises a bottom plate and a side plate, the side plate is attached to the inner wall of the retaining wall, an annular sealing element is arranged on the contact surface of the side plate and the supporting plate, and the sealing element is used for preventing water vapor from invading into the backlight module from the butt joint of the rubber frame and the back plate;
the sealing element is made of rubber pads or waterproof foam, and is further used for limiting the relative displacement between the rubber frame and the back plate.
2. The backlight module according to claim 1, wherein the side plates and the supporting plate are symmetrically provided with clamping grooves on two sides of a contact surface, and the sealing member is filled in the clamping grooves.
3. The backlight module according to claim 1, wherein a locking groove is formed on one side of the contact surface between the side plate and the supporting plate, and one end of the sealing member is located in the locking groove.
4. The backlight module according to claim 1, wherein the side plate comprises a rounded portion and a flat portion, the rounded portion comprises a rounded surface and a cross surface, and the flat portion is attached to the outer side of the cross surface.
5. The backlight module according to claim 4, wherein the rounded portions, the planar portion and the bottom plate are made of iron metal plates or aluminum metal plates by welding, and the planar portion is further provided with a cavity for connecting the adjacent rounded portions.
6. The backlight module according to claim 4, wherein the bottom plate and the side plates form a receiving cavity, the receiving cavity is provided with an optical assembly, four corners of the optical assembly are clamped at inner sides of the intersecting surfaces, the optical assembly comprises a reflective sheet disposed on the bottom plate, a light source disposed on the reflective sheet, a light guide plate disposed on the light source, and an optical film disposed on the light guide plate.
7. The backlight module as claimed in claim 6, wherein the angles of the optical elements and the internal angles of the intersecting surfaces are the same, and are both preset angles α, and 90 ° ≦ α <180 °.
8. A display panel comprising the backlight module as claimed in any one of claims 1 to 7 and a display module disposed on a surface of the backlight module.
9. The display panel according to claim 8, wherein the display module comprises an array substrate, a color film substrate aligned with the array substrate, and a liquid crystal layer disposed between the array substrate and the color film substrate, wherein a step is disposed on one side of a support plate of the backlight module, which faces the display module, the step is provided with a stress buffer member, the stress buffer member is used for supporting the array substrate, and the stress buffer member is a rubber block with an optical adhesive wrapped on the surface.
CN202010596812.2A 2020-06-28 2020-06-28 Backlight module and display panel Active CN111679504B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010596812.2A CN111679504B (en) 2020-06-28 2020-06-28 Backlight module and display panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010596812.2A CN111679504B (en) 2020-06-28 2020-06-28 Backlight module and display panel

Publications (2)

Publication Number Publication Date
CN111679504A CN111679504A (en) 2020-09-18
CN111679504B true CN111679504B (en) 2022-06-10

Family

ID=72437297

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010596812.2A Active CN111679504B (en) 2020-06-28 2020-06-28 Backlight module and display panel

Country Status (1)

Country Link
CN (1) CN111679504B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114200705B (en) * 2021-12-09 2023-12-05 武汉华星光电技术有限公司 Display module structure and display device
CN114296267B (en) * 2021-12-22 2023-09-05 武汉华星光电技术有限公司 Display module and display device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102799002A (en) * 2012-08-21 2012-11-28 深圳市华星光电技术有限公司 Frame-free liquid crystal display device
CN102865527A (en) * 2012-10-17 2013-01-09 深圳市华星光电技术有限公司 Backlight module
CN102889523A (en) * 2012-10-09 2013-01-23 深圳市华星光电技术有限公司 Backlight module
CN203615200U (en) * 2013-12-27 2014-05-28 上海天马微电子有限公司 Backlight module and display device thereof
CN206710753U (en) * 2017-05-15 2017-12-05 北京京东方茶谷电子有限公司 Backlight module and display device
CN108303826A (en) * 2018-02-08 2018-07-20 京东方科技集团股份有限公司 A kind of backlight module and display device
CN209103049U (en) * 2018-10-25 2019-07-12 南京中电熊猫平板显示科技有限公司 A kind of backlight module and the liquid crystal display device using the backlight module
CN209746974U (en) * 2019-05-24 2019-12-06 北京小米移动软件有限公司 Screen module and electronic equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI364588B (en) * 2008-02-29 2012-05-21 Au Optronics Corp Backlight module with improved base structure and method for manufacturing the same
CN102620204B (en) * 2012-03-27 2015-05-20 深圳市华星光电技术有限公司 Backlight module and liquid crystal display device comprising same
CN208805653U (en) * 2018-09-18 2019-04-30 惠科股份有限公司 Backlight module and display device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102799002A (en) * 2012-08-21 2012-11-28 深圳市华星光电技术有限公司 Frame-free liquid crystal display device
CN102889523A (en) * 2012-10-09 2013-01-23 深圳市华星光电技术有限公司 Backlight module
CN102865527A (en) * 2012-10-17 2013-01-09 深圳市华星光电技术有限公司 Backlight module
CN203615200U (en) * 2013-12-27 2014-05-28 上海天马微电子有限公司 Backlight module and display device thereof
CN206710753U (en) * 2017-05-15 2017-12-05 北京京东方茶谷电子有限公司 Backlight module and display device
CN108303826A (en) * 2018-02-08 2018-07-20 京东方科技集团股份有限公司 A kind of backlight module and display device
CN209103049U (en) * 2018-10-25 2019-07-12 南京中电熊猫平板显示科技有限公司 A kind of backlight module and the liquid crystal display device using the backlight module
CN209746974U (en) * 2019-05-24 2019-12-06 北京小米移动软件有限公司 Screen module and electronic equipment

Also Published As

Publication number Publication date
CN111679504A (en) 2020-09-18

Similar Documents

Publication Publication Date Title
CN111679504B (en) Backlight module and display panel
US20220288911A1 (en) Curved-surface laminating device and curved-surface laminating method
CN107290897B (en) Liquid crystal display and backlight module thereof
KR101752442B1 (en) Flat panel display
KR101743884B1 (en) Polarizing plate with adhesive, and image display device
RU2172974C2 (en) Liquid-crystal display
KR890007103A (en) LCD Display
EP0930522A4 (en) Liquid crystal display
US7692737B2 (en) Liquid crystal display device
JP2010078678A (en) Display device
WO2020062577A1 (en) Polarizer and display device
EP1986040A1 (en) Adhesive, polarizer assembly, and display device
TWI533788B (en) Display device
CN106773201B (en) Liquid crystal display and display panel thereof
CN202710774U (en) Polarizer
KR100731405B1 (en) Optical device and liquid-crystal display apparatus
CN110646964A (en) Liquid crystal display device having a plurality of pixel electrodes
CN212460252U (en) Display device
KR20220078763A (en) Guide film, display device manufacturing device, and display device manufacturing method
CN210024743U (en) Prism splicing tool
CN218782429U (en) Multilayer composite polarizer
JP2004354487A (en) Liquid crystal display device and polarizing plate
WO2018166001A1 (en) Backlight module and liquid crystal display having same
CN216561316U (en) Large-size liquid crystal display backlight module
CN217506314U (en) Prevent full laminating display module assembly of Mura

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
GR01 Patent grant
GR01 Patent grant