CN102364222A - Backlight module and manufacturing method thereof as well as display device provided with backlight module - Google Patents
Backlight module and manufacturing method thereof as well as display device provided with backlight module Download PDFInfo
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- CN102364222A CN102364222A CN2011103129701A CN201110312970A CN102364222A CN 102364222 A CN102364222 A CN 102364222A CN 2011103129701 A CN2011103129701 A CN 2011103129701A CN 201110312970 A CN201110312970 A CN 201110312970A CN 102364222 A CN102364222 A CN 102364222A
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- joint
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- management device
- cable
- backboard
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Abstract
The invention discloses a backlight module and a manufacturing method thereof as well as a display device provided with the backlight module. The backlight module comprises a backboard, a light source device, a cable and a line arranger. The light source device comprises a first joint. The cable comprises a second joint connected with the first joint; and the second joint is provided with first and second side surfaces adjacent to each other. The line arranger is rotationally arranged on the backboard, and a rotating shaft of the line arranger is vertical to the backboard; the line arranger comprises a body and a convex part connected with the body; the body is propped against the first side surface; and the line arranger can be rotated to the convex part to prop the second side surface. In the invention, the backlight module and the display device provided with the backlight module can prevent the joints from loosening during the line arrangement. The manufacturing method of the backlight module disclosed by the invention has the foolproof function of preventing poor assembly and wrong assembly sequence and is beneficial to improve the assembly efficiency.
Description
Technical field
The present invention is about a kind of module backlight and manufacturing approach thereof and have the display unit of this module backlight, especially has the module backlight and the manufacturing approach thereof of wire-management device and has the display unit of this module backlight about a kind of.
Background technology
Along with the development of society, (liquid crystal display, LCD) device is widely used because of it has advantages such as thin thickness, low-power consumption, radiation are little, like LCD TV in liquid crystal display.And the module backlight of general liquid crystal indicator, module backlight 10 as shown in Figure 1 comprises backboard 11, heat sink 12, light supply apparatus 13 and cable 15.Light supply apparatus 13 is fixed on the heat sink 12; Light supply apparatus has at least one luminescence component 131 and circuit of light sources plate 132; Luminescence component 131 can for example be that (Light Emitting Diode, LED), circuit of light sources plate 132 can produce the driving signal of driven for emitting lights assembly 131 to light emitting diode.Light supply apparatus 13 also comprises first joint 141.Cable 15 comprises second joint, 142, the second joints 142 and matches with first joint 141, can be electrically connected through modes such as grafting.First joint 141 electrically conducts with circuit of light sources plate 132 through the welding of grafting materials such as soldering; Power supply signal passes on each luminescence component 131 through cable 15 and first joint 141, second joint 142 and circuit of light sources plate 132, makes its luminous supply LCD device.As shown in Figure 1, module 10 backlight also has a plurality of reason terminals 16, and it is fixed on the backboard 11, through reason terminal 16 cable 15 is put in order according to certain direction.Cause short circuit easily and module backlight is assembled interference because length of cable is redundant, wiring is in disorder; Therefore managing line process need pull cable 15; Make it keep certain rate of tension, but often owing to overexertion or misoperation, the pulling force that second joint 142 is subject to cable 15 break away from first joint 141; Perhaps first joint 141 receives the pulling force sealing-off of cable 15 and breaks away from circuit of light sources plate 132, causes luminescence component 131 to light at last.And; Cause second joint and first joint to get loose or first joint disengaging circuit of light sources plate at assembling process because of pulling cable; If not inspection in time and test; Just can find backlight can't lighting after module backlight assembling is accomplished, and then dismounting, reorganization cause that program is numerous and diverse, a large amount of manpowers of waste and time, have caused the low of production efficiency.
Therefore; The present invention causes second joint to get loose because of the arrangement cable or first joint breaks away from light supply apparatus and causes the problem that can't light backlight at last for solving in the prior art; A kind of module backlight and display unit with reason line and landing nipple proposed, the present invention also propose a kind of have prevent that assembly program from makeing mistakes or the manufacturing approach of the module backlight of the fool proof function of assembly failure.
Summary of the invention
The present invention provides a kind of module backlight and display unit that prevents that joint from getting loose for addressing the above problem, in addition, the present invention also provide a kind of have prevent that assembly program from makeing mistakes or the manufacturing approach of the module backlight of the fool proof function of assembly failure.
One aspect of the present invention provides a kind of module backlight, and it comprises backboard, light supply apparatus, cable and wire-management device.Light supply apparatus comprises first joint.Cable comprises second joint, and second joint and first joint are connected, and second joint has the first adjacent side and second side.Wire-management device rotatably is arranged on the backboard, and rotating shaft is perpendicular to backboard, and wire-management device comprises body and the protuberance that links to each other with body, and body is against first side, and wire-management device can rotate to protuberance against second side.
In the present invention's one preferred embodiment, module backlight also comprises heat sink, and heat sink is fixed on the backboard, and light supply apparatus is fixed on the heat sink.
In the present invention's one preferred embodiment, body surface has at least one trunking, to settle cable.
In the present invention's one preferred embodiment, body is a cylinder.
In the present invention's one preferred embodiment, body and protuberance are one-body molded.
In the present invention's one preferred embodiment, module backlight also comprises the glue frame, and the glue frame is arranged at the heat sink top, and the glue frame has blocking arm, and when wire-management device rotated to protuberance against second side, blocking arm was against protuberance.
In the present invention's one preferred embodiment, light supply apparatus also comprises the circuit of light sources plate, and the circuit of light sources plate and first joint electrically conduct.
The present invention proposes a kind of display unit on the other hand, and it comprises above-mentioned module backlight and display floater, and display floater is arranged on the module backlight.
Further aspect of the present invention provides a kind of manufacturing approach of module backlight, comprises following steps.Backboard and wire-management device are provided, and wire-management device comprises body and protuberance.Then, wire-management device rotatably is arranged on the backboard, and rotating shaft is perpendicular to backboard.Heat sink, light supply apparatus and cable are provided again, and light supply apparatus comprises first joint, and cable comprises second joint, and second joint matches with first joint, and second joint has the first adjacent side and second side.Then, fixed light source is installed on the heat sink, connects this first joint and second joint.Fixedly heat sink on backboard so that first side against body.Then, cable is placed the body surface of wire-management device, pull cable and manage line, when wire-management device rotates to protuberance against second side, and cable is when irredundant, reason toe-in bundle.
In the present invention's one preferred embodiment, when reason toe-in bundle, the glue frame is set in the heat sink top, the glue frame has blocking arm, and blocking arm is against protuberance.
Module backlight of the present invention and display unit can prevent effectively that not only second joint is got loose by cable pull or first joint disengaging light supply apparatus causes light source to light; Avoid dismounting, reorganization; Waste great amount of manpower and time; The problem that causes production efficiency to reduce, the manufacturing approach of module backlight can also play the foolproof function that prevents that assembly failure, assembling sequence from makeing mistakes, and helps improving packaging efficiency.
Description of drawings
Fig. 1 illustrates a kind of existing module backlight.
Fig. 2 A illustrates the wire-management device of one embodiment of the invention.
Fig. 2 B illustrates the profile of the wire-management device of another embodiment of the present invention.
Fig. 3 illustrates the module backlight of the reason line process of one embodiment of the invention.
Fig. 4 illustrates the module reason toe-in bundle figure backlight of Fig. 3.
Fig. 5 illustrates the module assembling completion figure backlight of Fig. 3.
Fig. 6 illustrates the flow chart of manufacturing approach of the module backlight of one embodiment of the invention.
The specific embodiment
For making the object of the invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to further explain of the present invention.
Please with reference to Fig. 2 A, it illustrates the wire-management device of one embodiment of the invention, and wire-management device 26 comprises body 261 and protuberance 262.Body 261 is cylindrical in the present embodiment, and protuberance 262 is a cuboid, and both are one-body molded through jetting formation process.Protuberance 262 cross sections are not restricted to rectangle, in other embodiments, also can be other shapes such as trapezoidal, semicircle.In order to strengthen the effect of reason line, the surface of body 261 is provided with two trunkings 2611 in this enforcements, and the degree of depth of trunking 2611 and width are decided according to the model of cable, and the quantity of trunking is also as limit, the number of cables of specifically optionally putting in order and deciding.The top of body 261 also has first recess 2612 in the present embodiment, for the ease of fixing wire-management device on the axial direction.
Please with reference to Fig. 2 B, Fig. 2 B illustrates the profile of the wire-management device of another embodiment of the present invention, its with Fig. 2 A in identical structure repeated description no longer.Body 261 bottoms of wire-management device 26 have second recess 2613 in the present embodiment.Second recess 2613 can be sheathed on (figure does not show) on the reference column, thereby wire-management device can be rotated around reference column.
Please with reference to Fig. 3, the module backlight 20 of one embodiment of the invention comprises backboard 21, heat sink 22, light supply apparatus 23 and cable 25.Heat sink 22 is fixed on the backboard 21, and light supply apparatus 23 is fixed on the heat sink 22, and its fixed form can for example be a screws.Light supply apparatus 23 has at least one luminescence component 231 and circuit of light sources plate 232.Be furnished with circuit on the circuit of light sources plate 232, can produce the driving signal of driven for emitting lights assembly 231.Light supply apparatus 23 also comprises first joint 241.First joint 241 electrically connects with circuit of light sources plate 232, and it can for example be to weld through grafting materials such as scolding tin.Cable 25 comprises that second joint, 242, the second joints 242 and first joint 241 are connected, as pegging graft.Second joint 242 has adjacent two sides: first side 2421 and second side 2422.Light supply apparatus 23 is the LED lamp bars that comprise a plurality of light emitting diodes (LED) in the present embodiment; Heat sink 22 is L shaped aluminium extruded heat sinks; Light supply apparatus 23 is locked in the side of heat sink 22; But not as limit, those skilled in the art can design the heat sink of other shapes or the light supply apparatus of other kinds fully as required.
Please with reference to Fig. 3 to Fig. 5; Module backlight 20 of the present invention also comprises wire-management device 26; Wire-management device 26 rotatably is arranged on the backboard 21, and rotating shaft (being parallel to the z direction among Fig. 3 to Fig. 5) is perpendicular to backboard 21, and wire-management device 26 comprises continuous body 261 and protuberance 262.Body 261 is cylindrical in the present embodiment, and protuberance 262 is a cuboid, and both are one-body molded through jetting formation process.The cross section of protuberance 262 is not restricted to rectangle, in other embodiments, can also be other shapes such as trapezoidal, semicircle.In order to strengthen the effect of reason line, the surface of body 261 is provided with two trunkings 2611 in this enforcements, and the degree of depth of trunking 2611 and width are decided according to the model of cable, and the quantity of trunking is as limit, the number of cables of specifically optionally putting in order and deciding.The top of body 261 also has first recess 2612, goes up fixedly wire-management device for the ease of axial direction (like Z direction among Fig. 3).Body 261 bottoms have second recess 2613 (being illustrated in Fig. 2 B).Second recess 2613 can be sheathed on the reference column, and reference column can be the cylinder on the backboard that is formed at the backboard one, or is riveting in the rivet on the backboard.Wire-management device 26 is sheathed on through second recess 2613 and can realizes on the reference column being arranged at rotatably on the backboard 21.The body 261 of wire-management device 26 is resisted against first side 2421 of second joint 242.The module backlight 20 of present embodiment also comprises the glue frame, and in order to bearing liquid crystal display panel, the glue frame is arranged at heat sink 22 tops, and blocking arm 27 is arranged on the glue frame, is used for against protuberance 262.In addition, the glue frame can be provided with projection corresponding to the position of first recess 2612, and the projection of glue frame can insert in first recess 2612 during assembling, can prevent that it breaks away from backboard 21 in the fixing wire-management device 26 of axial direction (Z direction in like Fig. 3).
The material of wire-management device 26 can be polyethylene, polyvinyl chloride, polystyrene etc., is integrally formed shaped structures through jetting formation process.
During the reason line; Cable 25 is placed the trunking 2611 of the body 261 of wire-management device 26; Pull cable 25 and manage line, owing to the body 261 of wire-management device 26 is rotated by the friction of cable 25, when wire-management device 26 rotates to second side 2422 that its protuberance 262 is resisted against second joint 242; And when cable 25 is irredundant, reason toe-in bundle.Those skilled in the art will be appreciated that; Pulling cable 25 processes, the protuberance 262 of wire-management device 26 may be resisted against second side 2422 soon, still has this moment unnecessary cable 25 to need arrangement; Can continue to pull cable 25; Irredundant up to cable, and have certain rate of tension, manage the toe-in bundle this moment.Certainly, also may exist when cable 25 and put in order, cable does not have unnecessary, but protuberance 262 is not resisted against second side 2422 yet, needs this moment assembler to stir protuberance 262 and makes it against second side 2422.
Please with reference to Fig. 5, when reason toe-in bundle, glue frame (not shown) is set in the top of heat sink 22, the glue frame is used to support display panels, and the glue frame has blocking arm 27, and blocking arm 27 is against protuberance 262.As shown in Figure 5, first side 2421 of second joint 242 is resisted against body 261, the second sides 2422 and is resisted against protuberance 262.Promptly as among Fig. 5; Second joint 242 receives the stopping of protuberance 262 of wire-management device 26 on the y direction, and protuberance 262 receives stopping of blocking arm 27, on the x direction, receives stopping of wire-management device 26 bodies 261; Therefore; In pulling the cable process, to have avoided in the prior art because overexertion or misoperation, second joint 242 is subject to cable pull and breaks away from first joint 241.Since 26 pairs second joints 242 of wire-management device stop that first joint 241 has also relatively been realized good location, can prevent that first joint 241 receives cable pull to break away from circuit of light sources plate 232, causes the problem that can't light backlight at last.
The manufacturing approach of the module backlight 20 of one embodiment of the invention, it comprises the following steps that Fig. 6 illustrates the sketch map of each step.
At first, as shown in Figure 3 in step S601, backboard 21 and wire-management device 26 are provided, wire-management device 26 comprises body 261 and protuberance 262.
Then, in step S602, wire-management device 26 rotatably is arranged on the backboard 21, and the rotating shaft of wire-management device 26 (being parallel to the Z direction among Fig. 3) is perpendicular to backboard 21.One embodiment of the invention is provided with second recess 2613 (being illustrated in Fig. 2 B) through body 261 bottoms at wire-management device 26.Second recess 2613 is sheathed on and makes wire-management device 26 realize rotatably being arranged on the backboard 21 on the reference column of backboard, and reference column can be and the integrated cylinder that is formed on the backboard of backboard also to be riveting in the rivet on the backboard.
Then, as shown in Figure 3 in step S603, heat sink 22, light supply apparatus 23 and cable 25 are provided, light supply apparatus 23 comprises first joint 241.Cable 25 comprises second joint, 242, the second joints 242 and matches with first joint 241, and second joint 242 has the first adjacent side 2421 and second side 2422.Light supply apparatus 23 can be the LED lamp bar that comprises a plurality of LED, through the welding of grafting materials such as scolding tin itself and first joint 241 is electrically connected.Heat sink 22 is L shaped aluminium extruded heat sinks, but not as limit, those skilled in the art can design the heat sink of other shapes or the light supply apparatus of other kinds fully as required.
Then, in step S604, please continue with reference to Fig. 3, fixed light source device 23 connects this first joint 241 and second joint 242 on heat sink 22, and it can for example be to connect through the mode of pegging graft.Can light supply apparatus 23 be locked in the side of heat sink 22 through screw, also can adopt the high-temperature insulation glue bond.
Then, in step S605, the heat sink that assembles light supply apparatus 23 22 is fixed on the backboard 21, makes the body 261 of first side 2421 of second joint 242 against wire-management device 26.
Then, in step S606, as shown in Figure 3; Cable 25 is placed the surface of the body 261 of wire-management device 26, pull cable 25 and manage line, the body 261 of wire-management device 26 receives the friction of cable 25 and rotates; When the protuberance 262 of wire-management device 26 second side 2422 against second joint 242; And cable 25 is when irredundant, and reason toe-in bundle is as shown in Figure 4.Those skilled in the art will be appreciated that; Pulling cable 25 processes, the protuberance 262 of wire-management device 26 may be resisted against second side 2422 very soon, still has this moment unnecessary cable 25 to need arrangement; Can continue to pull cable 25; Irredundant up to cable, and have certain rate of tension, manage the toe-in bundle this moment.Certainly, also may exist when cable 25 and put in order, cable does not have unnecessary, but protuberance 262 is not resisted against second side 2422 yet, needs this moment assembler to stir protuberance 262 and makes it against second side 2422.
At last, as shown in Figure 5 in step S607, glue frame (not being shown among the figure) is set in heat sink 22 tops, the glue frame has blocking arm 27, makes the protuberance 262 of blocking arm 27 against wire-management device 26.The glue frame is used for bearing liquid crystal display panel, and glue frame and backboard can be through engaging or mode such as screws is fixed.So, as shown in Figure 5, on the y direction, blocking arm 27 stops protuberance 262, thereby protuberance 262 stops second side 2422.Therefore, second joint 242 receives the stopping of protuberance 262 of wire-management device 26 on the y direction, on the x direction, receive stopping of wire-management device 26 bodies 261.Therefore, in pulling the cable process, avoided in the prior art because overexertion or misoperation, second joint 242 receives cable pull to be prone to break away from first joint 241.Simultaneously and since 26 pairs second joints 242 of wire-management device stop that first joint 241 has also been realized good location relatively, can prevent that first joint 241 receives cable pull to break away from circuit of light sources plate 232, causes the problem that can't light backlight at last.
The manufacturing approach of module backlight 20 of the present invention can prevent not only that second joint 242 and first joint 241 from getting loose or first joint 241 breaks away from light supply apparatuses 23, also has to prevent that assembly failure, assembling sequence from putting upside down the foolproof function of makeing mistakes.For example; In the S604 of manufacturing approach of the present invention step; If before in the step first joint 241 and second joint 242 be not inserted into the position; In this step, cooperate the entire length of back first joint 241 and second joint 242 to increase, then can and can't smoothly heat sink 22 be fixed on the backboard 21 with wire-management device 26 generation interference.At this moment, assembler can in time be checked, queueing problem.If the S606 step is not accomplished and is promptly carried out step S607; Then since the protuberance 262 of wire-management device 26 not against second side 2422 of second joint 242; But become other directions, not parallel like protuberance among Fig. 5 262 with the x direction, but be other angles with the x direction; Then the blocking arm 27 of glue frame can produce with protuberance 262 and interfere, and can't assemble smoothly.
Module backlight of the present invention and display unit not only can effectively prevent to manage and got loose by cable pull second joint or first joint disengaging light supply apparatus; Cause light source to light, cause dismounting, reorganization etc. to waste the problem of great amount of manpower and time and reduction production efficiency.The manufacturing approach of module backlight of the present invention can also play the foolproof function that prevents that assembly failure, assembling sequence from makeing mistakes, and helps improving packaging efficiency.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that the embodiment that has disclosed does not limit scope of the present invention.On the contrary, change and retouching not breaking away from the spirit and scope of the present invention to be done all belong to scope of patent protection of the present invention.
Claims (10)
1. module backlight is characterized in that comprising:
Backboard;
Light supply apparatus, this light supply apparatus comprises first joint;
Cable, this cable comprises second joint, and second joint and first joint are connected, and this second joint has the first adjacent side and second side;
Wire-management device, it rotatably is arranged on this backboard, and rotating shaft is perpendicular to backboard, and this wire-management device comprises body and the protuberance that links to each other with body, and this body is against this first side, and this wire-management device can rotate to this protuberance against this second side.
2. module backlight as claimed in claim 1 is characterized in that also comprising heat sink, and this heat sink is fixed on this backboard, and this light supply apparatus is fixed on this heat sink.
3. module backlight as claimed in claim 1 is characterized in that this body surface has at least one trunking, to settle cable.
4. wire-management device as claimed in claim 1 is characterized in that this body is a cylinder.
5. wire-management device as claimed in claim 1 is characterized in that this body and this protuberance are one-body molded.
6. module backlight as claimed in claim 1 is characterized in that also comprising the glue frame, and it is arranged at this heat sink top, and this glue frame has blocking arm, and when this wire-management device rotated to this protuberance against this second side, this blocking arm was against this protuberance.
7. module backlight as claimed in claim 1 is characterized in that light supply apparatus also comprises the circuit of light sources plate, and this circuit of light sources plate and first joint electrically conduct.
8. display unit is characterized in that comprising:
Like any described module backlight of claim 1-7;
And display floater, this display floater is arranged on this module backlight.
9. the manufacturing approach of a module backlight is characterized in that comprising the following step:
Backboard and wire-management device are provided, and this wire-management device comprises body and protuberance;
Wire-management device rotatably is arranged on this backboard, and rotating shaft is perpendicular to backboard;
Heat sink, light supply apparatus and cable are provided, and this light supply apparatus comprises first joint, and this cable comprises second joint, and second joint matches with first joint, and this second joint has the first adjacent side and second side;
Fixed light source is installed on the heat sink, connects this first joint and second joint;
Fixedly heat sink on backboard so that this first side against this body;
Cable is placed the body surface of wire-management device, pull this cable and manage line, when wire-management device rotates to this protuberance against this second side, and cable is when irredundant, reason toe-in bundle.
10. manufacturing approach as claimed in claim 9 when reason toe-in bundle, is provided with the glue frame in the heat sink top, and this glue frame has blocking arm, and this blocking arm is against this protuberance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312970 CN102364222B (en) | 2011-10-17 | 2011-10-17 | Backlight module and manufacturing method thereof as well as display device provided with backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312970 CN102364222B (en) | 2011-10-17 | 2011-10-17 | Backlight module and manufacturing method thereof as well as display device provided with backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102364222A true CN102364222A (en) | 2012-02-29 |
| CN102364222B CN102364222B (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110312970 Expired - Fee Related CN102364222B (en) | 2011-10-17 | 2011-10-17 | Backlight module and manufacturing method thereof as well as display device provided with backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102364222B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020171784A1 (en) * | 2001-05-17 | 2002-11-21 | Samsung Electronics Co., Ltd. | Liquid crystal display device having a wire securing member |
| CN2622735Y (en) * | 2003-04-16 | 2004-06-30 | 广辉电子股份有限公司 | Fixed rubber frame group and back light module |
| CN201716492U (en) * | 2010-04-24 | 2011-01-19 | 华映光电股份有限公司 | Liquid crystal display and cable arranging structure thereof |
-
2011
- 2011-10-17 CN CN 201110312970 patent/CN102364222B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020171784A1 (en) * | 2001-05-17 | 2002-11-21 | Samsung Electronics Co., Ltd. | Liquid crystal display device having a wire securing member |
| CN2622735Y (en) * | 2003-04-16 | 2004-06-30 | 广辉电子股份有限公司 | Fixed rubber frame group and back light module |
| CN201716492U (en) * | 2010-04-24 | 2011-01-19 | 华映光电股份有限公司 | Liquid crystal display and cable arranging structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102364222B (en) | 2013-04-24 |
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