CN114578603A - Display device - Google Patents
Display device Download PDFInfo
- Publication number
- CN114578603A CN114578603A CN202110013599.2A CN202110013599A CN114578603A CN 114578603 A CN114578603 A CN 114578603A CN 202110013599 A CN202110013599 A CN 202110013599A CN 114578603 A CN114578603 A CN 114578603A
- Authority
- CN
- China
- Prior art keywords
- main body
- positioning
- back plate
- display device
- backboard
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims description 37
- 239000002184 metal Substances 0.000 claims description 37
- 239000012788 optical film Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000010408 film Substances 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 241001227561 Valgus Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
Abstract
The invention provides a display device which comprises a display panel for displaying and a back plate arranged on one side of the display panel, wherein the back plate comprises a back plate main body and a frame assembly; the back plate main body is flat; the frame component is arranged around the periphery of the backboard main body, and the backboard main body and the frame component are assembled into a whole. Each part of backplate can make alone and processing, for the whole structure as an organic whole of backplate, the structure of single part is simpler, and the manufacturing of each part can not influence each other to the manufacturing of the backplate of being convenient for reduces the processing degree of difficulty and the cost of backplate. The backboard main body is of a flat-plate-shaped structure, the structure processing is simple, the backboard main body is independent of the frame assembly, the processing of the backboard main body cannot be influenced by the frame assembly, the deformation of the backboard main body during processing is effectively reduced, and the flatness of the surface of the backboard main body can be effectively guaranteed.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
The display module inside the display device generally includes a display module and a backlight module, wherein the display module can be divided into a direct type and a side type according to the difference of the light incident modes of the backlight module. The direct type backlight module is characterized in that LED light sources are made into dense dot matrixes and placed behind a screen to directly irradiate the screen, and the side type backlight module is characterized in that the LED light sources are placed on the side face of the screen, light is guided to the screen through a light guide plate, and the back face of the whole screen is lightened. At present, the demand for the display device product to have good appearance and high image quality is high, and the lcd tv with thin appearance and clear image quality is more and more popular among consumers.
Although the direct type display device has natural advantages in realizing image quality, the direct type display device has high requirements on the strength and the flatness of the back plate due to a natural backlight realization mode, and particularly has high requirements on medium and high-end products with small light mixing distance and large size. The backplate that traditional stamping forming technology obtained receives the influence of backplate thickness, and the strength such as the resistance of backplate turns up, antitorque commentaries on classics is not enough, and simple increase backplate material is thick, increases former material cost on the one hand, and on the other hand increases stamping forming degree of difficulty and mould cost, and is difficult to guarantee the plane degree of backplate.
Disclosure of Invention
The invention aims to provide a display device which is convenient to process and manufacture and can effectively ensure the flatness of a back plate.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to one aspect of the present invention, the present invention provides a display device, including a display panel for displaying and a backplate disposed on one side of the display panel, the backplate including a backplate main body and a bezel assembly; the back plate main body is flat; the frame component is arranged around the periphery of the back plate main body in a surrounding mode, and the back plate main body and the frame component are assembled into a whole.
In some embodiments, the back plate further comprises a bracket; the frame component protrudes forwards from the back plate main body; the support extends along the edge of the frame assembly, and comprises a connecting part which is attached and fixed at the front end of the frame assembly and a clamping part which extends forwards from the outer side of the connecting part.
In some embodiments, the display device further comprises a middle frame of a ring structure; the middle frame is provided with a clamping groove with an opening at the rear end, and the clamping groove is clamped with the clamping part.
In some embodiments, the bracket further comprises a metal spring piece, and the metal spring piece is convexly arranged on the clamping part; the middle frame is provided with a concave part on the side peripheral wall of the clamping groove; the metal elastic sheet is elastically pressed in the concave part to limit the middle frame to move forwards relative to the support.
In some embodiments, a bracket clamping protrusion is convexly arranged on the clamping part; the metal elastic sheet is provided with a clamping hole, the metal elastic sheet is clamped on the clamping part from front to back, and the clamping hole is clamped and limited with the support clamping protrusion.
In some embodiments, the front surface of the frame assembly is provided with positioning holes; the connecting part of the bracket is convexly provided with a positioning bulge backwards, and the positioning bulge extends into and is limited in the positioning hole.
In some embodiments, the bezel assembly includes a top bezel extending along the upper and left and right edges of the backplate body and a bottom bezel extending along the lower side edge of the backplate body; the inner side of the rear end of the sky side frame extends inwards to form an installation part; the front surface of the mounting part is attached and fixedly connected with the rear surface of the back plate main body; the rear surface of the ground side frame is attached to and fixedly connected with the front surface of the back plate main body.
In some embodiments, the antenna side frame further comprises a carrier portion and an extension portion; the rear part of the extension part is connected with the outer side of the mounting part, the outer side surface of the extension part is an inclined surface which inclines outwards in the direction from back to front, and the bearing part is connected with the front part of the extension part; the connecting part of the bracket is connected to the bearing part.
In some embodiments, a first positioning rivet column and a second positioning rivet column are arranged on the back plate main body, and the inner peripheries of the first positioning rivet column and the second positioning rivet column are provided with threads; the first positioning riveting column protrudes backwards from the rear surface of the back plate main body, and the second positioning riveting column protrudes forwards from the front surface of the back plate main body; the mounting part is fixed with the first positioning riveting column; the ground side frame and the second positioning riveting column are fixed.
In some embodiments, the display device further comprises an optical film; a step surface is formed on the ground side frame and is flush with the upper surface of the connecting part; and the step surface and the connecting part are correspondingly provided with a diaphragm hanging lug protruding forwards and used for positioning the optical diaphragm.
According to another aspect of the present invention, there is provided a display device including: a lamp panel including a circuit board; the backboard is provided with a backboard main body, the backboard main body is used for bearing the lamp panel, the backboard main body comprises two metal layers arranged at intervals and an insulating layer clamped between the two metal layers, a third positioning riveting column capable of conducting electricity is further arranged on the backboard main body, the third positioning riveting column penetrates through the two metal layers and is abutted to the two metal layers, and the third positioning riveting column protrudes towards the direction of the lamp panel to fix the lamp panel.
In some embodiments, a fourth positioning rivet column is arranged on the back plate main body, a thread is arranged on the inner circumference of the fourth positioning rivet column, and the fourth positioning rivet column is embedded in the back plate main body; the rear end of the fourth positioning riveting column protrudes outwards along the circumferential direction and is lapped on the back plate main body. .
According to the technical scheme, the invention has at least the following advantages and positive effects:
according to the invention, the back plate comprises the back plate main body and the frame assembly which are assembled together, so that each part of the back plate can be manufactured and processed independently, compared with the whole integrated structure of the back plate, the structure of a single part is simpler, and the manufacture of each part cannot influence each other, so that the processing and the manufacture of the back plate are facilitated, the processing difficulty and the cost of the back plate are reduced, and the size precision of each part of the back plate is effectively improved. The backboard main body is of a flat-plate-shaped structure, the structure processing is simple, the backboard main body is independent of the frame assembly, the processing of the backboard main body cannot be affected by the frame assembly, the deformation of the backboard main body during processing is effectively reduced, and the flatness of the surface of the backboard main body can be effectively guaranteed.
Drawings
Fig. 1 is an exploded view of a display device according to an embodiment of the present invention.
Fig. 2 is a partial cross-sectional view of an embodiment of the display device of the present invention.
FIG. 3 is an exploded view of a backplane according to an embodiment of the present invention.
Fig. 4 is a partial cross-sectional view of a back plate of an embodiment of a display device according to the invention, which is schematically shown cut from the center of a first positioning stud.
FIG. 5 is a partial cross-sectional view of a back plate of an embodiment of a display device of the present invention, illustrating a schematic view taken from the center of the nut stem.
Fig. 6 is a partial cross-sectional view of another embodiment of the display device of the present invention, which is schematically shown cut from the center of the third positioning stud.
FIG. 7 is a partial cross-sectional view of a back plate of an embodiment of a display device of the invention, illustrating a view taken from a locating hole.
Fig. 8 is a partial cross-sectional view of a backplane of an embodiment of a display device of the present invention showing a standoff and a standoff snap.
FIG. 9 is a partial cross-sectional view of a backplate according to an embodiment of the display device of the present invention showing a bracket and a membrane hanger.
FIG. 10 is a cross-sectional view of a bezel of an embodiment of a display device of the present invention.
The reference numerals are explained below:
1. a back plate; 11. a back plate main body; 111. a metal layer; 112. an insulating layer; 12. a frame component; 121. a top side frame; 1211. an installation part; 1212. a bearing part; 1213. an extension portion; 1214. positioning holes; 122. a ground side frame; 13. a support; 131. a connecting portion; 1311. positioning the projection; 1312. a membrane hangers; 132. a fastening part; 1321. the bracket is clamped and protruded; 133. a metal spring sheet; 14. a first positioning riveting column; 15. a second positioning riveting column; 16. a nut post; 17. a third positioning riveting column; 18. a fourth positioning riveting column; 2. a lamp panel; 3. an optical film; 4. a middle frame; 41. a card slot; 42. an extension plate; 5. a display panel; 6. and (4) a transmitting sheet.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Although the direct type display device has natural advantages in realizing image quality, the direct type display device has high requirements on the strength and the flatness of the back plate due to a natural backlight realization mode, and particularly has high requirements on middle and high-end products with small light mixing distance and large size. The backplate that traditional stamping forming technology obtained receives the influence of backplate thickness, and the strength such as anti valgus, antitorque commentaries on classics of backplate is not enough, and simple increase backplate material is thick, increases former material cost on the one hand, and on the other hand increases stamping forming degree of difficulty and mould cost, and is difficult to guarantee the plane degree of backplate.
Fig. 1 is an exploded view of a display device according to an embodiment of the present invention. Fig. 2 is a partial cross-sectional view of an embodiment of the display device of the present invention.
Referring to fig. 1 and 2, the present embodiment provides a display device in a direct-type light incident mode, and the display device includes a back plate 1, a lamp panel 2, an optical film 3, a middle frame 4, and a display panel 5. The display panel 5 is a liquid crystal display panel, and the display device is a liquid crystal display device. Backplate 1 and center 4 constitute display device's bearing structure, and display panel 5 is fixed in on center 4, and optics diaphragm 3 is fixed in on backplate 1 and is located display panel 5's rear, and lamp plate 2 is fixed in on backplate 1 and is located optics diaphragm 3's rear, and lamp plate 2 is last to be covered with lamp pearl, through the luminous and different image information of demonstration on display panel 5 of lamp pearl on lamp plate 2.
In this embodiment, the state of the display device when it is used in a standing state is referred to, and the direction of the display panel facing the user is the front, the direction facing away from the user is the rear, the direction toward the center of the display panel is the inside, and the direction away from the center of the display panel is the outside.
Fig. 3 is an exploded view of a back plate of an embodiment of a display device of the invention. Fig. 4 is a partial cross-sectional view of a back plate of an embodiment of a display device according to the invention, which is schematically shown cut from the center of a first positioning stud.
Referring to fig. 3 and 4, in the present embodiment, the backboard 1 includes a backboard main body 11, a frame assembly 12 and a support 13. The backboard main body 11, the frame assembly 12 and the support 13 are three independent components, are manufactured respectively and assembled together in an assembling mode, so that each component of the backboard 1 can be manufactured and processed independently, and compared with the whole integrated structure of the backboard 1, the structure of a single component is simpler, and the manufacture of each component cannot influence each other, so that the backboard 1 can be conveniently manufactured, the processing difficulty and the cost of the backboard 1 are reduced, and the mold opening period is shortened.
In this embodiment, the back plate body 11 has a flat plate-like structure. The lamp panel 2 is attached to the front surface of the back panel main body 11. The backplate main part 11 processing of flat plate structure is simple to because backplate main part 11 is independent of the frame subassembly, the influence that the processing of backplate main part 11 can not receive the frame subassembly, the effectual deflection that has reduced backplate main part 11 processing man-hour, the effectual plane degree that guarantees backplate main part 11 surface has reduced the backplate distortion and has turned up the risk of warping etc. to the subjective influence of little OD product.
In this embodiment, the back plate main body 11 is provided with a first positioning rivet column 14 and a second positioning rivet column 15, and the inner peripheries of the first positioning rivet column 14 and the second positioning rivet column 15 are provided with threads. The first positioning riveting column 14 protrudes backwards from the rear surface of the backboard main body 11, and the second positioning riveting column 15 protrudes forwards from the front surface of the backboard main body 11; the first positioning rivet 14 and the second positioning rivet 15 are used for positioning and fixing with the edge frame assembly 12.
The front end of the first positioning rivet column 14 is flush with the front surface of the backboard main body 11, and the front end of the first positioning rivet column 14 protrudes outwards along the circumferential direction and is lapped on the backboard main body 11.
The rear end of the second positioning rivet column 15 is flush with the rear surface of the backboard main body 11, and the rear end of the second positioning rivet column 15 protrudes outwards along the circumferential direction and is lapped on the backboard main body 11.
In some embodiments, the first positioning stud 14 and the second positioning stud 15 are not provided with threads, the first positioning stud 14 and the second positioning stud 15 are only used for positioning, and corresponding threaded holes are provided on the backboard main body 11, so as to connect the backboard main body 11 and the frame assembly 12 through bolts or screws.
In other embodiments, the backplate main body 11 and the bezel assembly 12 are bonded by a dispensing process.
FIG. 5 is a partial cross-sectional view of a back plate of an embodiment of a display device of the present invention, illustrating a schematic view taken from the center of the nut stem.
Referring to fig. 5, in this embodiment, the back plate main body 11 is further provided with a nut post 16, the nut post 16 is provided with an internal thread, the nut post 16 is embedded on the back plate main body 11, and both ends of the nut post 16 do not exceed the back plate main body 11. The nut posts 16 are used for connecting the frame assembly 12 and fixing the lamp panel 2 on the backboard main body 11.
Fig. 6 is a partial cross-sectional view of another embodiment of the display device of the present invention, which is schematically shown cut from the center of the third positioning stud.
Referring to fig. 6, the lamp panel 2 is provided with corresponding lamp beads and circuits, so that the lamp panel 2 may have static electricity when in operation. The backplate main body 11 comprises two metal layers 111 arranged at intervals in the front-back direction and an insulating layer 112 clamped between the two metal layers 111; a third positioning riveting column 17 capable of conducting electricity is further arranged on the back plate main body 11, and the third positioning riveting column 17 penetrates through the two metal layers 111 and is abutted against the two metal layers 111; third location riveting post 17 is the metal level 111 in the outstanding place ahead forward, and contacts with lamp plate 2 to spacing lamp plate 2. The position of location lamp plate 2 on backplate main part 11 through third location riveting post 17 to the butt through metal level 111 and third location riveting post 17 makes and can electrically conduct between two metal levels 111, with the ground connection requirement that satisfies lamp plate 2.
In some embodiments, the lamp panel 2 includes the circuit board and is located the lamp on the circuit board, and wherein the circuit board is metal base circuit board, and in some embodiments, metal base circuit board is aluminium base circuit board, and the electric quantity that lamp panel 2 produced in the work is derived through the electrically conductive route that forms between lamp panel 2 and the backplate main part 11, satisfies lamp panel ground connection demand.
In this embodiment, the insulating layer 112 is made of Polyethylene (PE) material. In some embodiments, the insulating layer 112 is made of a Polycarbonate (PC) material.
In this embodiment, the third positioning rivet 17 is embedded in the back plate main body 11, the front end of the third positioning rivet 17 protrudes outward along the circumferential direction and is overlapped on the back plate main body 11,
referring to fig. 6 again, a fourth positioning rivet column 18 is further disposed on the back plate main body 11, threads are disposed on an inner periphery of the fourth positioning rivet column 18, and the fourth positioning rivet column 18 is embedded in the back plate main body 11; the rear end of the fourth positioning stud 18 protrudes outward in the circumferential direction and is lapped on the back plate main body 11. The lamp panel 2 is fixed with the fourth positioning riveting column 18 through a fastener.
Referring again to fig. 2 to 6, the bezel assembly 12 surrounds the periphery of the backplate main body 11 and protrudes forward from the backplate main body 11.
The bezel assembly 12 includes a top bezel 121 extending along the top and left and right edges of the backplate main body 11 and a bottom bezel 122 extending along the bottom edge of the backplate main body 11; the top frame 121 is connected to the back plate body 11 by a first positioning rivet 14. The ground side frame 122 is connected to the back plate body 11 by a second positioning rivet 15.
A mounting portion 1211 extends inward from the rear end of the upper frame 121. The left and right sides of the top frame 121 extend beyond the backplate main body 11 along the left and right edges of the backplate main body 11, so that the backplate main body 11 surrounds the outside of the backplate main body 11.
The mounting portion 1211 is formed with a plurality of through holes, the first positioning stud 14 extends into the through holes, the front surface of the mounting portion 1211 is attached to the rear surface of the backboard body 11, and a plurality of fasteners respectively pass through the through holes of the mounting portion 1211 to be connected with the first positioning stud 14 and the nut stud 16 of the backboard body 11, so that the front surface of the mounting portion 1211 and the rear surface of the backboard body 11 are fixed together.
The first positioning rivet 14 protrudes rearward from the rear surface of the backplate main body 11, so that when the top rim 121 is mounted on the backplate main body 11, the top rim 121 and the backplate main body 11 can be aligned quickly, thereby improving the assembling efficiency. The front end of the first positioning riveting column 14 protrudes outwards along the circumferential direction and is lapped on the backboard main body 11, and after the first positioning riveting column 14 is connected with the top side frame 121 through a bolt, the first positioning riveting column 14 is prevented from moving backwards, and the stability of the connection of the top side frame 121 on the backboard main body 11 is ensured.
In this embodiment, the antenna side frame 121 further includes a carrying portion 1212 and an extending portion 1213, and the carrying portion 1212 and the extending portion 1213 surround the back plate main body 11.
The rear inner side of the extension portion 1213 is connected with the outer side of the mounting portion 1211, the outer side surface of the extension portion 1213 is an inclined surface inclined outward in the direction from the rear to the front, and the bearing portion 1212 is connected with the front portion of the extension portion 1213; the support 13 is connected at the upper surface of bearing portion 1212, and center 4 is fixed on support 13, and the outside of center 4 encloses in the outside of bearing portion 1212, and the rear end of center 4 does not surpass the rear end of bearing portion 1212 backward to make whole display device's upper edge and lower limb have a smaller thickness, display device's edge is thinner, and the display is more pleasing to the eye, accords with market demand. The aluminum frames with different inclination angles or radians can be designed on the side surface of the whole display device through the side frame modeling to meet the requirement of thickness reduction, and the appearance modeling of the whole display device is facilitated.
FIG. 7 is a partial cross-sectional view of a back plate of an embodiment of a display device of the invention, illustrating a view taken from a locating hole.
Referring to fig. 7, in the present embodiment, a positioning hole 1214 and a threaded hole are formed on the front surface of the bearing portion 1212 for positioning and fixing the bracket 13.
The two ends of the ground side frame 122 abut against the top side frame 121, the rear surface of the ground side frame 122 is attached to the front surface of the back plate main body 11, countersunk holes extending in the front-rear direction are formed in the ground side frame 122, the countersunk holes of the ground side frame 122 are matched with the second positioning riveting columns 15, the second positioning riveting columns 15 extend into the countersunk holes of the ground side frame 122, and the fasteners penetrate through the countersunk holes of the ground side frame 122 and are in threaded connection with the second positioning riveting columns 15 so as to fixedly connect the ground side frame 122 with the back plate main body 11.
The second positioning rivet 15 protrudes forward from the front surface of the backboard main body 11, so that when the ground side frame 122 is mounted on the backboard main body 11, the ground side frame 122 and the backboard main body 11 are aligned quickly, and the assembling efficiency is improved. The rear end of the second positioning riveting column 15 protrudes outwards along the circumferential direction and is lapped on the backboard main body 11, and after the second positioning riveting column 15 is connected with the ground side frame 122 through a bolt, the second positioning riveting column 15 is prevented from moving forwards, and the connection stability of the ground side frame 122 on the backboard main body 11 is ensured.
The ground side frame 122 has a step surface formed thereon, and a diaphragm hanging lug (not shown) is formed on the step surface and used for fixing and positioning the optical diaphragm 3.
Fig. 8 is a partial cross-sectional view of a backplane of an embodiment of a display device of the present invention showing a standoff and a standoff snap.
Referring to fig. 2 to 8, the bracket 13 is formed by stamping and bending a metal material. The bracket 13 extends along the edge of the edge frame assembly 12, and the bracket 13 includes a connecting portion 131 attached and fixed to the front end of the edge frame assembly 12, a locking portion 132 extending forward from the outer side of the connecting portion 131, and a metal spring 133 locked and restrained on the locking portion 132.
In this embodiment, the bracket 13 extends along the edge of the top frame 121, and the connecting portion 131 of the bracket 13 is fixed on the bearing portion 1212 of the top frame 121.
The engaging portion 132 is provided with a bracket engaging protrusion 1321, and in this embodiment, the bracket engaging protrusion 1321 is protruded on an outer side wall of the engaging portion 132. In some embodiments, the bracket protrusion 1321 protrudes on the inner sidewall of the engaging portion 132. The front portion of the bracket catch 1321 is provided as a backward inclined surface.
The metal elastic sheet 133 is provided with a locking hole (not shown), the metal elastic sheet 133 is locked on the locking portion 132 from front to back, and the metal elastic sheet 133 is locked on the inner side and the outer side of the locking portion 132. The support clamping protrusion 1321 extends into the clamping hole, so that the clamping hole is clamped and limited with the support clamping protrusion 1321, and the limiting metal elastic sheet 133 falls off from the clamping part 132.
The metal spring sheet 133 is protruded on the engaging portion 132, and specifically, a portion of the metal spring sheet 133 is protruded on the engaging portion 132 along a direction departing from a sidewall of the engaging portion 132.
Referring to fig. 7 again, the connecting portion 131 of the bracket 13 is provided with a positioning protrusion 1311 protruding backward, and the positioning protrusion 1311 extends into and is limited by the positioning hole 1214 on the front surface of the edge frame assembly 12 to position the bracket 13 and the edge frame assembly 12, so as to facilitate quick installation of the bracket 13 and the edge frame assembly 12 during assembly.
The connecting portion 131 of the bracket 13 and the frame assembly 12 are connected by a fastener, specifically, the fastener is screwed into a threaded hole on the bearing portion 1212, so as to fix the bracket 13 on the top side frame 121.
In this embodiment, the connecting portion 131 is bent to form two layers, so that the structural strength of the connecting portion 131 is higher, the bracket 13 is not easily deformed, and the structure of the whole display device is more stable.
FIG. 9 is a partial cross-sectional view of a backplate according to an embodiment of the display device of the present invention showing a bracket and a membrane hanger.
Referring again to fig. 4 and 9, the upper surface of the connecting portion 131 of the bracket 13 is flush with the step surface of the ground-side bezel 122 for carrying the optical film 3. The front surface of the connecting portion 131 of the bracket 13 is provided with a film hanging lug 1312 protruding forward for positioning the optical film 3. The optical film 3 is fixed and unfolded by the film hanger 1312 on the connection portion 131 and the film hanger on the ground-side bezel 122.
FIG. 10 is a cross-sectional view of a bezel of an embodiment of a display device of the present invention.
Referring to fig. 2, 6 and 10 again, in the present embodiment, the middle frame 4 is a ring structure; the middle frame 4 is provided with a locking groove 41 with an opening at the rear end, and the locking groove 41 is locked with the locking part 132. The middle frame 4 is engaged with the engaging portion 132 from front to back through the engaging groove 41, so that the middle frame 4 and the rear panel 1 can be quickly mounted.
In this embodiment, the middle frame 4 is provided with a recess (not shown) on the side peripheral wall of the slot 41; the metal elastic sheet 133 is elastically pressed in the concave part to limit the middle frame 4 to move forwards relative to the support 13, and fasteners such as bolts are not needed for connecting and fixing the middle frame 4 and the support 13, so that the middle frame 4 and the support 13 are fixed and quickly mounted.
The inner side of the middle frame 4 is formed with an extension plate 42 extending inward, and the extension plate 42 is located in front of the bracket 13 for mounting and fixing the display panel 5.
Referring to fig. 2 again, in the present embodiment, the lamp panel 2 is fixed on the front surface of the back panel main body 11. The plane degree after 11 processing of backplate main part is guaranteed to the flat structure of backplate main part 11, and lamp plate 2 laminates in the front surface of backplate main part 11, can effectually avoid lamp plate 2 to take place to warp through backplate main part 11 to the supporting role of lamp plate 2, guarantees the roughness of lamp plate 2 to make straight following formula display device have better backlight effect.
The optical film 3 is fixed to the front surface of the connecting portion 131 of the holder 13. The edge of the optical film 3 is located between the front surface of the connecting portion 131 and the rear of the extension plate 42 of the center frame 4. Because frame subassembly 12 is outstanding backplate main part 11 forward, the front end at frame subassembly 12 is laminated and fixed to connecting portion 131 of support 13 for optical film piece 3 is located the place ahead of lamp plate 2, and has the interval with lamp plate 2.
The display panel 5 is fixed to the middle frame 4. In this embodiment, the edge of the display panel 5 is fixed to the front surface of the extension plate 42 of the middle frame 4 by a tape bonding process or the like, so that the display panel 5 is positioned in front of the optical film 3.
In this embodiment, the lamp panel 2 is attached to the front surface of the back panel main body 11; the optical film 3 is fixed on the connecting part 131, so that the optical film 3 is positioned in front of the lamp panel 2 and has a gap with the lamp panel 2; the display panel 5 is fixed on the extension plate 42 of the middle frame 4, so that the display panel 5 is located in front of the optical film 3, and the lamp panel 2 is located behind the display panel 5, thereby forming a direct-type light incident mode.
In one embodiment, the optical film set 3 includes a lower diffusion film, a first prism film, a second prism film and an upper diffusion film. The prism structures of the first prism film and the second prism film are vertically and alternately arranged, and the first prism film, the second prism film and the upper diffusion film are sequentially stacked on the lower diffusion film.
In another embodiment, the optical film group 3 includes a lower diffusion sheet, a prism sheet, a reflective polarizer, and an upper diffusion sheet, which are sequentially disposed.
Referring to fig. 1 and fig. 2 again, in the embodiment, the liquid crystal display panel further includes a reflector 6, and the reflector 6 is attached to the front surface of the lamp panel 2.
In this embodiment, the fasteners are screws or bolts.
In the invention, the backboard 1 comprises the backboard main body 11, the frame assembly 12 and the bracket 13 which are assembled together, so that each part of the backboard 1 can be manufactured and processed independently, compared with the whole integrated structure of the backboard 1, the structure of a single part is simpler, and the manufacture of each part cannot influence each other, thereby facilitating the manufacture of the backboard 1, reducing the processing difficulty and the cost of the backboard 1, and effectively improving the size precision of each part of the backboard 1.
Backplate 1 and center 4 constitute display device's bearing structure, the block of block portion 132 and draw-in groove 41 of support 13 for center 4 can be quick installs on backplate 1, and center 4 and backplate 1's connection is simple and convenient, so that display device's quick installation.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (12)
1. A display device, comprising a display panel for displaying and a back plate disposed on one side of the display panel, wherein the back plate comprises:
the back plate main body is flat;
the frame component is arranged around the periphery of the backboard main body in an enclosing mode, and the backboard main body and the frame component are assembled into a whole.
2. The display device of claim 1, wherein the back plate further comprises a bracket; the frame component protrudes forwards from the back plate main body; the support extends along the edge of the frame assembly, and comprises a connecting part which is attached and fixed at the front end of the frame assembly and a clamping part which extends forwards from the outer side of the connecting part.
3. The display device according to claim 2, further comprising a middle frame of a ring structure; the middle frame is provided with a clamping groove with an opening at the rear end, and the clamping groove is clamped with the clamping part.
4. The display device according to claim 3, wherein the bracket further comprises a metal spring piece, and the metal spring piece is convexly arranged on the clamping part; the middle frame is provided with a concave part on the side peripheral wall of the clamping groove; the metal elastic sheet is elastically pressed in the concave part to limit the middle frame to move forwards relative to the support.
5. The display device according to claim 4, wherein the engaging portion is provided with a bracket engaging protrusion; the metal elastic sheet is provided with a clamping hole, the metal elastic sheet is clamped on the clamping part from front to back, and the clamping hole is clamped and limited with the support clamping protrusion.
6. The display device according to claim 2, wherein the front surface of the frame assembly has positioning holes; the connecting part of the bracket is convexly provided with a positioning bulge backwards, and the positioning bulge extends into and is limited in the positioning hole.
7. The display device of claim 2, wherein the bezel assembly includes a top bezel extending along upper and left and right edges of the backplane body and a ground bezel extending along a lower side edge of the backplane body; the inner side of the rear end of the sky side frame extends inwards to form an installation part; the front surface of the mounting part is attached to and fixedly connected with the rear surface of the back plate main body; the rear surface of the ground side frame is attached to and fixedly connected with the front surface of the back plate main body.
8. The display device of claim 7, wherein the antenna bezel further comprises a carrier portion and an extension portion; the rear part of the extension part is connected with the outer side of the mounting part, the outer side surface of the extension part is an inclined surface which inclines outwards in the direction from back to front, and the bearing part is connected with the front part of the extension part; the connecting part of the bracket is connected to the bearing part.
9. The display device according to claim 7, wherein a first positioning rivet column and a second positioning rivet column are arranged on the back plate main body, and threads are arranged on the inner peripheries of the first positioning rivet column and the second positioning rivet column; the first positioning riveting column protrudes backwards from the rear surface of the back plate main body, and the second positioning riveting column protrudes forwards from the front surface of the back plate main body; the mounting part is fixed with the first positioning riveting column; the ground side frame and the second positioning riveting column are fixed.
10. The display device according to claim 7, further comprising an optical film; a step surface is formed on the ground side frame and is flush with the upper surface of the connecting part; and the step surface and the connecting part are correspondingly provided with a diaphragm hanging lug protruding forwards and used for positioning the optical diaphragm.
11. A display device, the display device comprising:
a lamp panel including a circuit board;
the backboard comprises a backboard body, the backboard body is used for bearing the lamp panel, the backboard body comprises two metal layers arranged at intervals and an insulating layer clamped between the two metal layers, a third positioning riveting column capable of conducting electricity is further arranged on the backboard body, the third positioning riveting column penetrates through the two metal layers and is abutted to the two metal layers, and the third positioning riveting column protrudes towards the lamp panel to fix the lamp panel.
12. The display device according to claim 11, wherein a fourth positioning rivet column is arranged on the back plate main body, a thread is arranged on the inner circumference of the fourth positioning rivet column, and the fourth positioning rivet column is embedded in the back plate main body; the rear end of the fourth positioning riveting column protrudes outwards along the circumferential direction and is lapped on the back plate main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/120132 WO2022116658A1 (en) | 2020-12-02 | 2021-09-24 | Display device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020114056277 | 2020-12-02 | ||
| CN202011405627 | 2020-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114578603A true CN114578603A (en) | 2022-06-03 |
Family
ID=81767903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110013599.2A Pending CN114578603A (en) | 2020-12-02 | 2021-01-05 | Display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114578603A (en) |
| WO (1) | WO2022116658A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116863832A (en) * | 2023-09-05 | 2023-10-10 | 惠科股份有限公司 | Backlight module and display device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143361B (en) * | 2022-07-29 | 2023-10-27 | 厦门弘汉光电科技有限公司 | Direct-drive miniLED display device |
| CN115113437A (en) * | 2022-08-03 | 2022-09-27 | 奇瑞汽车股份有限公司 | Vehicle-mounted display screen and vehicle |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004272045A (en) * | 2003-03-11 | 2004-09-30 | Sanyo Electric Co Ltd | Liquid crystal display |
| CN102818193A (en) * | 2012-08-20 | 2012-12-12 | 创维液晶器件(深圳)有限公司 | Direct type LED (light emitting diode) backlight module and display device of direct type LED backlight module |
| CN103823312A (en) * | 2013-11-27 | 2014-05-28 | 京东方科技集团股份有限公司 | Circuit driving board, backboard and display device |
| CN204462585U (en) * | 2015-03-09 | 2015-07-08 | 昆山龙腾光电有限公司 | Conduction fixed sturcture and display device |
| CN108257513A (en) * | 2018-03-09 | 2018-07-06 | 奥捷科技（厦门）有限公司 | A kind of display device and its manufacturing method |
| CN108303815A (en) * | 2018-01-26 | 2018-07-20 | 惠州市华星光电技术有限公司 | Display module and display device |
| CN208621875U (en) * | 2018-08-24 | 2019-03-19 | 昆山龙腾光电有限公司 | A kind of mounting assembly and LCD MODULE of pcb board |
| CN208922011U (en) * | 2018-11-13 | 2019-05-31 | 深圳Tcl新技术有限公司 | Directly-down liquid crystal display device and Straight-down type liquid crystal television |
| CN110392222A (en) * | 2018-04-23 | 2019-10-29 | 鸿富锦精密工业（深圳）有限公司 | Backboard and television set |
| CN210864276U (en) * | 2019-12-11 | 2020-06-26 | 苏州东岩电子科技有限公司 | Direct type display device lamp panel component avoiding structure |
| CN111766742A (en) * | 2020-07-14 | 2020-10-13 | 深圳创维－Rgb电子有限公司 | Backlight module and assembly jig |
| CN211742549U (en) * | 2019-10-21 | 2020-10-23 | 海信视像科技股份有限公司 | Display device |
| CN211956061U (en) * | 2020-03-31 | 2020-11-17 | 海信视像科技股份有限公司 | Display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008170728A (en) * | 2007-01-11 | 2008-07-24 | Sony Corp | Backlight device and display device |
| CN109239978B (en) * | 2018-11-19 | 2021-06-15 | 海信视像科技股份有限公司 | Direct type display device |
| CN210270458U (en) * | 2019-09-19 | 2020-04-07 | 合肥京东方视讯科技有限公司 | Frame structure, backlight module and display device |
| WO2021134969A1 (en) * | 2019-12-31 | 2021-07-08 | 海信视像科技股份有限公司 | Display device |
| CN111243448A (en) * | 2020-03-23 | 2020-06-05 | 京东方科技集团股份有限公司 | Display module and display screen |
| CN211905927U (en) * | 2020-03-26 | 2020-11-10 | 深圳创维－Rgb电子有限公司 | Backlight module and liquid crystal display device |
-
2021
- 2021-01-05 CN CN202110013599.2A patent/CN114578603A/en active Pending
- 2021-09-24 WO PCT/CN2021/120132 patent/WO2022116658A1/en active Application Filing
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004272045A (en) * | 2003-03-11 | 2004-09-30 | Sanyo Electric Co Ltd | Liquid crystal display |
| CN102818193A (en) * | 2012-08-20 | 2012-12-12 | 创维液晶器件(深圳)有限公司 | Direct type LED (light emitting diode) backlight module and display device of direct type LED backlight module |
| CN103823312A (en) * | 2013-11-27 | 2014-05-28 | 京东方科技集团股份有限公司 | Circuit driving board, backboard and display device |
| CN204462585U (en) * | 2015-03-09 | 2015-07-08 | 昆山龙腾光电有限公司 | Conduction fixed sturcture and display device |
| CN108303815A (en) * | 2018-01-26 | 2018-07-20 | 惠州市华星光电技术有限公司 | Display module and display device |
| CN108257513A (en) * | 2018-03-09 | 2018-07-06 | 奥捷科技（厦门）有限公司 | A kind of display device and its manufacturing method |
| CN110392222A (en) * | 2018-04-23 | 2019-10-29 | 鸿富锦精密工业（深圳）有限公司 | Backboard and television set |
| CN208621875U (en) * | 2018-08-24 | 2019-03-19 | 昆山龙腾光电有限公司 | A kind of mounting assembly and LCD MODULE of pcb board |
| CN208922011U (en) * | 2018-11-13 | 2019-05-31 | 深圳Tcl新技术有限公司 | Directly-down liquid crystal display device and Straight-down type liquid crystal television |
| CN211742549U (en) * | 2019-10-21 | 2020-10-23 | 海信视像科技股份有限公司 | Display device |
| CN210864276U (en) * | 2019-12-11 | 2020-06-26 | 苏州东岩电子科技有限公司 | Direct type display device lamp panel component avoiding structure |
| CN211956061U (en) * | 2020-03-31 | 2020-11-17 | 海信视像科技股份有限公司 | Display device |
| CN111766742A (en) * | 2020-07-14 | 2020-10-13 | 深圳创维－Rgb电子有限公司 | Backlight module and assembly jig |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116863832A (en) * | 2023-09-05 | 2023-10-10 | 惠科股份有限公司 | Backlight module and display device |
| CN116863832B (en) * | 2023-09-05 | 2024-01-12 | 惠科股份有限公司 | Backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022116658A1 (en) | 2022-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114578603A (en) | Display device | |
| US9766488B2 (en) | Liquid crystal display apparatus and display apparatus | |
| US7545628B2 (en) | Display panel and display device | |
| US9753316B2 (en) | Supporting base and display device employing the same | |
| JP5034535B2 (en) | Liquid crystal display | |
| JP4659156B1 (en) | Electronic equipment with a liquid crystal display panel | |
| US20120250354A1 (en) | Illuminator for Display and Display | |
| US8319910B2 (en) | Backlight unit and display device having the same | |
| CN109283723B (en) | Display device | |
| CN109765716B (en) | Ultra-narrow frame liquid crystal display module | |
| CN113625480A (en) | Display device | |
| US9983426B2 (en) | Display module and display device comprising display module | |
| US9261721B2 (en) | Display apparatus | |
| US10185081B2 (en) | Display apparatus and television receiving apparatus | |
| CN113287159A (en) | Curved surface display device and vehicle | |
| US8174644B2 (en) | Liquid crystal module | |
| CN215416206U (en) | Display device | |
| CN113905195A (en) | Display device | |
| CN112748595A (en) | Display module and display device | |
| US20130107140A1 (en) | Display and Television Set | |
| CN211061811U (en) | Display module and display device | |
| CN212647206U (en) | Liquid crystal display device | |
| CN112068352A (en) | Backlight module and liquid crystal module | |
| CN213244183U (en) | Liquid crystal television and display screen thereof | |
| CN210720949U (en) | Liquid crystal display device and direct type backlight module and back plate thereof |
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 |