CN210136667U

CN210136667U - Display device

Info

Publication number: CN210136667U
Application number: CN201920807777.7U
Authority: CN
Inventors: 丛晓东; 张志睿
Original assignee: Hisense Electric Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-03-10
Anticipated expiration: 2029-05-30

Abstract

The utility model discloses a display device relates to the technical field that is shaded, has reduced the time that processing display device needs, has promoted display device's production efficiency. The utility model provides a display device, display device includes straight following formula backlight unit, straight following formula backlight unit is including the lamp strip that is used for providing backlight, its characterized in that, the lamp strip includes end connection makes the first lamp strip and the second lamp strip of circuit intercommunication, first lamp strip with the second lamp strip passes through the adapter and connects, the adapter is including being located adapter socket on the first lamp strip, and be located adapter plug on the second lamp strip, adapter plug with adapter socket cooperation will the first lamp strip with the circuit intercommunication of second lamp strip.

Description

Display device

Technical Field

The utility model relates to a technical field is shaded, especially relates to a display device.

Background

Backlighting is a form of illumination commonly used on display devices; most of the current direct type backlight module display devices adopt a light bar design scheme, as shown in fig. 1, the light bar design scheme is that a plurality of Light Emitting Diode (LED) light bars 02 are arranged on a back plate 01 in an array manner, and in order to ensure the picture quality of the display device, the LED light bars 02 are arranged along the length direction of the back plate 01; however, the longest LED light bar 02 can only be processed to 1200 mm, and along with the increase of the size of the display device, the length of the back plate 01 can exceed 1200 mm, for example, the length of the back plate 01 of a 65-inch television display reaches 1430 mm, the length of the LED light bar 02 is smaller than that of the back plate 01, and at this time, two LED light bars 02 need to be arranged in the length direction of the back plate 01, so as to meet the light emitting requirement of the direct type backlight module.

Generally, in the production design of a direct type backlight module of a large-size display device, as shown in fig. 1, the equal number of LED light bars 02 are arranged on the left side and the right side of a back plate 01, the LED light bars 02 on the left side and the right side correspond to each other one to one, two adjacent LED light bars 02 on the left side and the right side are on the same horizontal straight line, one end of each LED light bar 02 close to the side edge of the back plate 01 is connected with a wire 03, and the wire 03 is communicated with a power supply, so that the LED light bars 02 shine.

Among the prior art, wire 03 and LED lamp strip 02 pass through welded connection, because welding process is loaded down with trivial details, and is consuming time longer, and LED lamp strip 02's quantity is more moreover, and when every LED lamp strip 02 passed through welded wire 03 and power intercommunication, straight following formula backlight unit's processing is consuming time longer, leads to straight following formula backlight unit and display device's production efficiency lower.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a display device, it is consuming time to reduce display device's processing, has improved display device's production efficiency.

In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:

an embodiment of the utility model provides a display device, including straight following formula backlight unit, straight following formula backlight unit is including being used for providing the lamp strip that is shaded, the lamp strip includes end connection makes first lamp strip and the second lamp strip of circuit intercommunication, first lamp strip with the second lamp strip passes through the adapter and connects, the adapter is including being located adapter socket on the first lamp strip, and be located adapter plug on the second lamp strip, the adapter plug with adapter socket cooperation will first lamp strip with the circuit intercommunication of second lamp strip.

The utility model discloses display device, including being used for providing the lamp strip that is shaded, the lamp strip includes end connection and makes first lamp strip and the second lamp strip of circuit intercommunication, and the end connection of the tip of first lamp strip and second lamp strip makes the circuit of first lamp strip and second lamp strip communicate each other. The first light bar is connected with the second light bar through the adapter, the adapter comprises an adapter socket positioned on the first light bar and an adapter plug positioned on the second light bar, the adapter plug can be inserted into the adapter socket or pulled out of the adapter socket, and the adapter plug is matched with the adapter socket to communicate the circuits of the first light bar and the second light bar. Compared with the prior art, every lamp strip is connected with the power through the wire alone, the utility model discloses a display device, the circuit intercommunication with first lamp strip and second lamp strip through the adapter between first lamp strip and the second lamp strip, only need one of them wire and power intercommunication in first lamp strip or the second lamp strip, another in first lamp strip or the second lamp strip can be through adapter and power intercommunication, can reduce the wire quantity of being connected with the lamp strip, reduce the welded node between lamp strip and the wire, thereby it is consuming time to reduce display device's processing, promote display device's production efficiency.

Drawings

FIG. 1 is a schematic diagram of a direct-type backlight module according to the prior art;

fig. 2 is a schematic view of an overall structure of a direct-type backlight module according to an embodiment of the present invention;

fig. 3 is a side view of the adaptor of the direct-type backlight module according to the embodiment of the present invention connecting the first light bar and the second light bar;

fig. 4 is a top view of the adapter of the direct-type backlight module according to the embodiment of the present invention connecting the first light bar and the second light bar;

fig. 5 is an exploded view of an adapter socket of a direct-type backlight module according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a contact piece of a direct type backlight module according to an embodiment of the present invention;

fig. 7 is an exploded view of an adapter plug of a direct-type backlight module according to an embodiment of the present invention;

fig. 8 is an assembly view of an adapter plug of a direct type backlight module according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a contact protrusion of a direct-type backlight module according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a first light bar of a direct-type backlight module according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a first light bar of a direct-type backlight module according to an embodiment of the present invention;

fig. 12 is an assembly view of an adapter socket of a direct-type backlight module according to an embodiment of the present invention;

fig. 13 is an assembly diagram of an adapter plug and an adapter socket of a direct-type backlight module according to an embodiment of the present invention;

fig. 14 is a schematic view illustrating an assembly process of an adapter plug and an adapter socket of a direct-type backlight module according to an embodiment of the present invention.

Reference numerals:

01-a back plate; 02-LED light bar; 03-a wire; 1-a light bar; 11-a first light bar; 12-a second light bar; 2-an adapter; 21-an adaptor socket; 211 — a first electrical conductor; 2111-contact pad; 2112-contact projection; 212 a first insulating housing; 2121-a first card slot; 2122-a jack; 2123-a guide groove; 2124-step fixing groove; 213-a connector; 2131-a connecting part; 2132 a connecting port; 22 an adaptor plug; 221-a second electrical conductor; 222-a second insulating housing; 2221-a second card slot; 2222-boot block; 2223-avoiding grooves; 2224-fixed slot; 223-a fixing member; 3-conducting wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the utility model provides a display device, display device include following straight following formula backlight unit.

The direct type backlight module of the embodiment of the present invention, as shown in fig. 2, includes a light bar 1 for providing backlight, the light bar 1 includes a first light bar 11 and a second light bar 12 connected by end portions to connect a circuit, the first light bar 11 and the second light bar 12 are connected by an adapter 2; as shown in fig. 3 and 4, the adaptor 2 includes an adaptor socket 21 on the first light bar 11 and an adaptor plug 22 on the second light bar 12, and the adaptor plug 22 is matched with the adaptor socket 21 to connect the circuits of the first light bar 11 and the second light bar 12.

The utility model discloses straight following formula backlight unit, as shown in fig. 2, including being used for providing lamp strip 1 that is shaded, lamp strip 1 includes first lamp strip 11 and the second lamp strip 12 that end connection made the circuit intercommunication, and the tip of first lamp strip 11 and the end connection of second lamp strip 12 make the circuit of first lamp strip 11 and second lamp strip 12 communicate each other. The first light bar 11 and the second light bar 12 are connected through an adaptor 2, as shown in fig. 3 and fig. 4, the adaptor 2 includes an adaptor socket 21 located on the first light bar 11, and an adaptor plug 22 located on the second light bar 12, the adaptor plug 22 can be inserted into the adaptor socket 21 or pulled out from the adaptor socket 21, and the adaptor plug 22 and the adaptor socket 21 cooperate to connect the circuits of the first light bar 11 and the second light bar 12. Compared with the prior art, every lamp strip 1 is connected with the power through wire 3 alone, the utility model discloses a straight following formula backlight unit, communicate the circuit of first lamp strip 11 and second lamp strip 12 through adapter 2 between first lamp strip 11 and the second lamp strip 12, only need one of them in first lamp strip 11 or the second lamp strip 12 to pass through wire 3 and power intercommunication, another in first lamp strip 11 or the second lamp strip 12 can be through adapter 2 and power intercommunication, can reduce 3 quantity of wire of being connected with lamp strip 1, reduce the welded node between lamp strip 1 and the wire 3, thereby it is consuming time to reduce straight following formula backlight unit's processing, promote straight following formula backlight unit's production efficiency.

Referring to fig. 4, 5 and 6, the adaptor 2 includes a first conductor 211 and a second conductor 221 made of conductive material, one end of the first conductor 211 is connected to the circuit of the first light bar 11, the other end of the first conductor 211 is provided with two contact pieces 2111, and the two contact pieces 211 extend in the same direction and are opposite to each other. Referring to fig. 4, 7 and 8, one end of the second conductive body 221 is connected to the circuit of the second light bar 12, and the other end of the second conductive body 221 extends between the two contact pieces 2111 and is in contact connection with the contact pieces 2111, so that the circuit between the first light bar 11 and the second light bar 12 can be connected, and the second conductive body 221 is connected to the first conductive body 211 in an inserted manner. Compared with other connection modes such as clamping, screwing or welding between the second conductor 221 and the first conductor 211, the second conductor 221 is inserted into the first conductor 211, so that the first conductor 211 and the second conductor 221 can be plugged and connected or separated at any time, the first light bar 11 and the second light bar 12 can be conveniently detached, and later-stage replacement and maintenance are facilitated; the second conductor 221 and the first conductor 211 are simple in structure, convenient to manufacture and convenient and fast to install.

Referring to fig. 6 and 7, contact protrusions 2112 are formed on opposite side walls of the two contact plates 2111, and the second conductor 221 is in contact connection with the contact protrusions 2112, wherein a contact portion between the contact protrusion 2112 and the second conductor 221 is a flat surface, so that surface contact between the contact protrusion 2112 and the contact plate 2111 is ensured, and the resistance at the connection position between the contact protrusion 2112 and the second conductor 221 is reduced; compare in the lateral wall contact connection of second conductor 221 and contact piece 2111, the embodiment of the utility model provides a, second conductor 221 is connected with contact protrusion 2112 contact, can reduce the area of contact between the second conductor 221 contact piece 2111, frictional force when reducing second conductor 221 and inserting between two contact pieces 2111 makes second conductor 221 insert between two contact pieces 2111, and the resistance when second conductor 221 extracts from between two contact pieces 2111 reduces, the first conductor 211 of easy to assemble and the cooperation installation of second conductor 221.

The two contact pieces 2111 are made of an elastic material, and the distance between the two contact protrusions 2112 is smaller than the thickness of the portion of the second conductor 221 that extends between the two contact pieces 2111; after the second conductor 221 is inserted into the two contact pieces 2111, the two contact pieces 2111 are elastically deformed, the contact pieces 2111 generate elastic restoring force, under the action of the elastic restoring force, the two contact protrusions 2112 can clamp the second conductor 221, the second conductor 221 and the contact protrusions 2112 are guaranteed to be always kept in a contact state, stable communication between the first conductor 211 and the second conductor 221 is guaranteed, disconnection between the first conductor 211 and the second conductor 221 is prevented, and the stability of line connection between the first light bar 11 and the second light bar 12 is enhanced.

Referring to fig. 6, the side edges of the contact protrusion 2112 are chamfered. Since the distance between the two contact protrusions 2112 is smaller than the thickness of the portion of the second conductor 221 extending between the two contact protrusions 2112, in order to prevent the second conductor 221 from contacting the side wall of the contact protrusion 2112 and catching at the side wall of the contact protrusion 2112 when the second conductor 221 is inserted between the two contact protrusions 2112, the side edge of the contact protrusion 2112 is chamfered so that the second conductor 221 can be smoothly inserted between the two contact protrusions 2112.

It should be noted that, in order to further reduce the impedance when the second conductive body 221 is inserted between the contact protrusions 2112, as shown in fig. 9, the cross-sectional shape of the contact protrusion 2112 is set to be an ellipse, so that all sides of the contact protrusion 2112 are smooth curves.

The surface of the contact plate 2111 is provided with a corrosion-resistant plating layer for ensuring that the connection between the contact protrusion 2112 and the second conductor 221 has good contact performance, and preventing the connection between the contact protrusion 2112 and the second conductor 221 from oxidation reaction, which affects the contact effect at the connection between the contact protrusion 2112 and the second conductor 221, and further affects the conductivity between the first conductor 211 and the second conductor 221. The plating material needs to have good conductivity in addition to good corrosion resistance, and gold is optionally used as the plating material. Plating is performed on the contact 2111 at the position connected to the second conductor 221, and the plating thickness can be set to three millimeters, and too large a plating thickness will greatly increase the manufacturing cost, and too small a plating thickness will result in poor plating performance.

It should be noted that, according to the process requirements, the designed resistance R between the first conductor 211 and the second conductor 221₁Less than or equal to 20m omega (resistance unit, milliohm).

Referring to fig. 10 and 11, each of the first light bar 11 and the second light bar 12 has a plurality of circuit paths, and correspondingly, as shown in fig. 4, 5 and 7, the number of the first conductors 211 and the second conductors 221 is multiple, and the first conductors 211, the second conductors 221 and the circuit paths are arranged in a one-to-one correspondence manner. A first conductive body 211 is connected in contact with a second conductive body 221 to communicate with corresponding circuit paths of a set of first light bar 11 and second light bar 12.

The adaptor 2 further includes a first insulating housing 212 and a second insulating housing 222, as shown in fig. 12, the first insulating housing 212 is provided with a first slot 2121, the first conductor 211 is located in the first slot 2121, and the first slot 2121 is used for fixing and installing the first conductor 211 while preventing the first conductor 211 from being exposed in the air; as shown in fig. 7, the second insulating housing 222 is provided with a second card slot 2221, and the second conductor 221 is located in the second card slot 2221. When the number of the first conductors 211 and the second conductors 221 is plural, the first slot 2121 can isolate each first conductor 211 to prevent a contact short circuit between the plural first conductors 211. Also, as shown in fig. 7, the second card slot 2221 of the second insulating housing 222 can prevent contact short circuit between the plurality of second conductors 221. The first insulating housing 212 is provided with a socket 2122 at a position corresponding to the contact plate 2111, the second conductive body 221 extends out of the second slot 2221, and when the adaptor plug 22 is mated with the adaptor socket 21, a portion of the second conductive body 221 extending out of the second slot 2221 extends into the socket 2122 to be in contact with the contact plate 2111.

Referring to fig. 5 and 8, the side wall of the first insulating housing 212 is provided with guide grooves 2123, the second insulating housing 222 is provided with guide blocks 2222 at positions corresponding to the guide grooves 2123, when the adaptor plug 22 is mated with the adaptor socket 21, the guide blocks 2222 slide in the guide grooves 2123, so as to ensure accurate positioning between the adaptor plug 22 and the adaptor socket 21 during installation, and the second conductor 221 can be accurately inserted between the two contact protrusions 2112, thereby increasing the installation speed and improving the production efficiency of the direct-type backlight module.

It should be noted that, as shown in fig. 5 and 13, in order to keep the adaptor plug 22 relatively stationary after being assembled with the adaptor socket 21, the guide grooves 2123 are located on two opposite side walls of the first insulating housing 212, and the guide grooves 2123 have side walls in the horizontal direction, when the adaptor plug 22 is assembled with the adaptor socket 21, the guide blocks 2222 are located in the guide grooves 2123, and the guide blocks 2222 contact with the horizontal side walls of the guide grooves 2123, so as to limit the displacement of the guide blocks 2222 in the vertical direction in the guide grooves 2123.

The first insulating housing 212 is provided with a step fixing groove 2124, as shown in fig. 5, a cross-sectional area of a stage where the step fixing groove 2124 is close to the first light bar 11 is smaller than a cross-sectional area of a stage where the step fixing groove 2124 is far from the first light bar 11; a connecting member 213 matching with the step fixing groove 2124 is disposed in the step fixing groove 2124, one end of the connecting member 213 close to the first light bar 11 is bent in a direction away from the first insulating housing 212 to form a connecting portion 2131, the connecting portion 2131 is provided with a connecting port 2132, the connecting port 2132 is provided with a screw, and the screw fixes the connecting member 213 to the first light bar 11.

It should be noted that, as shown in fig. 7, similarly to the first insulating housing 212, the second insulating housing 222 is provided with a fixing groove 2224 having a structure similar to that of the step fixing groove, and a fixing member 223 having a structure similar to that of the connecting member 213, and the fixing member 223 is provided with a fixing port. An avoiding groove 2223 is provided at a position of the side wall of the second insulating housing 222 corresponding to the connecting portion 2131, as shown in fig. 7 and 13, the avoiding groove 2223 is used for preventing the connecting portion 2131 and the screw from contacting the second insulating housing 222, which may hinder the installation and matching between the adaptor plug 22 and the adaptor socket 21. To facilitate the installation between the adaptor plug 22 and the adaptor socket 21, as shown in fig. 13 and 14, the adaptor plug 22 and the adaptor socket 21 are installed at a certain inclined angle, the guide block 2222 of the adaptor plug 22 is placed at the opening of the guide slot 2123, the adaptor plug 22 is pushed to move the guide block 2222 along the guide slot 2123, and simultaneously, the adaptor plug 22 is pushed to move downwards, so that the avoiding groove 2223 is covered above the connecting portion 2131 and the screw from top to bottom; the second insulating shell 222 is prevented from being clamped on the connecting part 2131 and the side wall of the screw, and the assembly process is ensured to be carried out smoothly; the included angle between the connector plug 22 and the adapter socket 21 before assembly can be selected to be 12-25 degrees, and the connection between the first light bar 11 and the second light bar 12 is not facilitated when the included angle is too large or too small.

Compare in traditional display device, the utility model discloses display device is owing to adopted the straight following formula backlight unit of the 1 assembly methods processing of the above-mentioned lamp strip that connects through adapter 2, through promoting straight following formula backlight unit's production efficiency, promotes display device's production efficiency's purpose.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a display device, display device includes straight following formula backlight unit, straight following formula backlight unit is including the lamp strip that is used for providing backlight, its characterized in that, the lamp strip includes end connection makes the first lamp strip and the second lamp strip of circuit intercommunication, first lamp strip with the second lamp strip passes through the adapter and connects, the adapter is including being located adapter socket on the first lamp strip, and be located adapter plug on the second lamp strip, adapter plug with adapter socket cooperation will the first lamp strip with the circuit intercommunication of second lamp strip.

2. The display device of claim 1, wherein the adapter socket comprises a first conductive body made of conductive material, one end of the first conductive body is connected to the circuit of the first light bar, and the other end of the first conductive body is provided with two contact pieces, and the two contact pieces extend in the same direction and are oppositely arranged; the adapter plug comprises a second conductor, one end of the second conductor is communicated with the circuit of the second light bar, and the other end of the second conductor extends between the two contact pieces and is in contact connection with the contact pieces.

3. The display device according to claim 2, wherein contact projections are formed on opposite side walls of the two contact pieces, and the second conductor is in contact connection with the contact projections.

4. A display device as claimed in claim 3, characterized in that both contact pieces are made of an elastic material, and the distance between the two contact projections is smaller than the thickness of the portion of the second current conductor which extends between the two contact pieces.

5. A display device as claimed in claim 4, characterised in that the side edges of the contact projection are chamfered.

6. A display device as claimed in claim 3, characterized in that the surface of the contact piece is provided with a corrosion-resistant coating.

7. The display device of claim 2, wherein the adapter jack further comprises a first insulating housing, the first insulating housing having a first card slot, the first conductive body being located in the first card slot, the first insulating housing having a plurality of insertion holes at positions corresponding to the contact pads; the adapter plug further comprises a second insulating shell, the second insulating shell is provided with a second clamping groove, and the second conductor is located in the second clamping groove; the second conductor extends out of the second clamping groove, and when the adapter plug is matched with the adapter socket, the part of the second conductor extending out of the second clamping groove extends into the jack to be in contact connection with the contact piece.

8. The display device according to claim 7, wherein the side wall of the first insulating housing is provided with a guide groove, and the second insulating housing is provided with a guide block at a position corresponding to the guide groove, the guide block sliding in the guide groove when the adaptor plug is mated with the adaptor socket.

9. The display device according to claim 7, wherein the first insulating housing is provided with a step fixing groove, and a cross-sectional area of a stage of the step fixing groove close to the first light bar is smaller than a cross-sectional area of a stage of the step fixing groove far from the first light bar; a connecting piece matched with the step fixing groove is arranged in the step fixing groove, one end, close to the first light bar, of the connecting piece is bent towards the direction far away from the first insulating shell to form a connecting part, a connecting port is arranged on the connecting part, and the adapter socket is fixed on the first light bar through the connecting port;

and/or

The second insulating shell is provided with a fixing groove, and the cross section area of the fixing groove at the stage close to the second light bar is smaller than that of the fixing groove at the stage far away from the second light bar; the fixing groove is internally provided with a fixing piece matched with the fixing groove, one end of the fixing piece, which is close to the second light bar, is bent towards the direction away from the second insulating shell to form a fixing part, the fixing part is provided with a fixing opening, and the adaptor socket is fixed on the second light bar through the fixing opening.

10. The display device according to claim 9, wherein an escape groove is provided at a position of a side wall of the second insulating case corresponding to the connection portion.