CN1945786B - Lamp, lamp holder, power supply module, and backlight assembly and display device using these - Google Patents
Lamp, lamp holder, power supply module, and backlight assembly and display device using these Download PDFInfo
- Publication number
- CN1945786B CN1945786B CN2006101101842A CN200610110184A CN1945786B CN 1945786 B CN1945786 B CN 1945786B CN 2006101101842 A CN2006101101842 A CN 2006101101842A CN 200610110184 A CN200610110184 A CN 200610110184A CN 1945786 B CN1945786 B CN 1945786B
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- Prior art keywords
- lamp
- power supply
- lamp socket
- main body
- supply module
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/48—Means forming part of the tube or lamp for the purpose of supporting it
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
- F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
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- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
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- 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
- G09G3/34—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 by control of light from an independent source
- G09G3/3406—Control of illumination source
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Planar Illumination Modules (AREA)
Abstract
A lamp, lamp holder, and a power supply substrate that allow easy fabrication of a backlight assembly or a power supply module for a display device are presented. The lamp includes a lamp tube and an electrode that extends outside the lamp tube to form a lamp lead. The lamp holder includes a body for holding the lamp tube and a power supply member for providing voltage to the lamp lead. A power supply module includes a power supply substrate combined with a lamp holder holding the lamp. The lamp holders are fixed to fixing portions of the power supply substrate or to fixing holes of a connection plate. As the design allows easy separation of the lamp holders from the power supply substrate, building a backlight assembly or a display device is facilitated.
Description
Technical field
The present invention relates to a kind of lamp, lamp socket, supply module, have the backlight assembly of supply module and have the display device of backlight assembly.More particularly, the present invention relates to a kind of lamp, easily and the lamp socket that is assembled together of lamp, have the supply module of lamp and lamp socket, have the backlight assembly of supply module and have the display device of backlight assembly with standing part.
Background technology
Liquid crystal display (LCD) equipment is compared thinner with the display device of other known type, weight is lighter, and electric energy efficiency is higher.In addition, the image of the LCD equipment similar better quality that need generate than the lower driving voltage of other display device and generation and cathode ray tube (CRT) equipment usually.Therefore, LCD equipment has been widely used in the various electronic equipments.
LCD equipment is divided into transmission LCD equipment and reflective LCD equipment usually.The transmission LCD equipment utilization is from the back light display image of light source, and reflective LCD equipment utilization surround lighting display image.Reflective LCD equipment uses in miniaturized electronics usually, such as the electronic watch or the electronic calculator that do not need very big power consumption to operate.Transmission LCD equipment uses in big relatively electronic equipment usually, such as the notebook that shows high quality graphic.
Generally speaking, the transmission LCD equipment with display panel uses and to be arranged on the backlight as external light source of described display panel back.Traditional backlight assembly typically is divided into direct lighting type backlight assembly and peripheral type backlight assembly.
Direct lighting type backlight assembly comprises that a plurality of light sources that are arranged on the display panel back make described light source directly to provide light to display panel.The peripheral type backlight assembly comprises that the light source that is arranged on the optical plate side makes described light source to provide light to display panel by optical plate.
In direct lighting type backlight assembly, use cold-cathode fluorescence lamp (CCFL) usually as light source.Direct lighting type backlight assembly comprises lamp is fixed on lamp socket on the appropriate location.Lamp is fixed on the base plate of receiving vessel.
Because the display panel of display device becomes bigger, backlight assembly has developed into and has comprised a flat florescent lamp or a plurality of fluorescent lamp that is arranged in parallel.This parallel even light that display panel provides high brightness of assigning.Backlight assembly also develops into the lamp socket that comprises the receiving light electrode makes lamp easily be assembled together with lamp socket.
The advantage of described lamp socket is that they are fixed firmly to lamp on the receiving vessel base plate.Yet the lamp that uses in backlight assembly and the quantity of lamp socket increase along with the display panel size, and a large amount of lamps and lamp socket begin to cause defective.For example, use many lamps and lamp socket, display device becomes heavier and has prolonged manufacturing time.
In the manufacturing of backlight assembly, the voltage supply line that is connected to converter is connected on the lamp socket by welding method, and perhaps lamp socket is connected on the printed circuit board (PCB) (PCB) by welding method.Welding step has often increased the time of manufacturing backlight assembly and can not all the time lamp lead be connected on the lamp socket reliably.In addition, lamp may damage in welding process.In addition, the connector between lamp socket and electric wire or the printed circuit board (PCB) may be opened in the operation disruption of backlight assembly.
Need a kind of method that does not have the manufacturing backlight assembly of above-mentioned traditional welding shortcoming.
Summary of the invention
In one aspect, the present invention is a kind of lamp that can easily be assembled together with lamp socket.Described lamp comprises fluorescent tube, is arranged on the electrode of lamp tube end, and lamp lead.Described fluorescent tube can be for holding the type of discharge gas.Electrode is in fluorescent tube.Lamp lead comprises coupling part and standing part.The coupling part is extended and is inserted into the power supply component that is fixed to lamp socket to the outside of fluorescent tube from electrode, and standing part is formed at the end of coupling part to be separated from power supply component to prevent the coupling part.
In one aspect of the method, the present invention for a kind of can with lamp and the lamp socket that easily is assembled together of power supply substrate.Lamp socket comprises main body and power supply component.Described main body comprises the lamp support section that can support the lamp end.Power supply component is fixed on the main body and is welded to the voltage supply line that is used for providing voltage to the electrode that is arranged on the lamp end.
Alternative, lamp socket comprises main body, power supply component and conduction adhesion elements.The main body of lamp socket comprises the lamp support slot and receives the space.The lamp support slot is formed on the body surfaces in contiguous reception space.Power supply component is arranged in the reception space and has exposure power supply terminal at one end and the binding post that is exposed to the other end.Power supply terminal and binding post are electrically connected.The conduction adhesion elements covers power supply component.
As another alternative, lamp socket has main body, power supply component and seat cap (holder cap).Described main body has the lamp support slot and receives the space, and wherein the lamp support slot is formed on and is adjacent on the body surfaces that receives the space.Power supply component is arranged on and receives in the space.Power supply component has first binding post that is coupled on second binding post, and in first and second binding posts each is divided into two binding post parts.Described four binding posts partly are arranged to keep securely lamp lead.Being inserted into the seat cap that receives in the space is connected to power supply component on the lamp lead by the extruding power supply component.
In another aspect, the present invention is a kind of effectively supply module of manufacturing of being convenient to.Supply module comprises lamp socket and power supply substrate.Lamp socket has main body and power supply component, and wherein power supply component comprises binding post that is connected on the main body and the power supply terminal that can be connected on the lamp.The power supply substrate contacts with binding post.
In another aspect, the present invention is a kind of backlight assembly that comprises described supply module.Backlight assembly comprises receiving vessel, lamp socket and power supply substrate.Receiving vessel comprises the plate with opening.Lamp socket is inserted in the opening, and each lamp socket is connected on the lamp.Each lamp socket has main body and power supply component.Power supply component has binding post and power supply terminal.Binding post is exposed on the first surface of plate, and power supply terminal is exposed on the second surface of plate and keeps going up in position with the electrode with lamp.The power supply substrate that is provided with onboard comprises the coupling part that contacts with binding post.
In another aspect, the present invention is a kind of display device that comprises described supply module.Described display device comprises the power supply substrate, a plurality of lamps, voltage supply line and lamp socket.Described power supply substrate provides voltage.Described lamp comprises fluorescent tube and is arranged on the electrode of described lamp end that wherein each electrode extends to form lamp lead.The substrate of will powering of described voltage supply line is electrically connected on the parallel lamp.Described lamp socket is connected on the described voltage supply line.Each lamp socket has main body and power supply component, and wherein voltage supply line is welded on the described power supply component.Described main body has the lamp support slot, and an end of one of them fluorescent tube is arranged in the lamp support slot.Described lamp lead is connected to one of them electrode on the power supply component.
Alternative, display device comprises receiving vessel, a plurality of lamps, individual lamp socket, power supply unit, and display panel.Receiving vessel comprises the plate with opening.Described lamp setting and has electrode onboard.Described lamp socket is inserted in the opening.Described lamp socket comprises and is fixed on the lamp holder body and is exposed to binding post on the first surface of plate.Described lamp socket also comprises on the second surface that is exposed to plate and is connected to power supply terminal on the electrode.Power supply unit comprises standing part and coupling part, and wherein standing part is connected on the lamp socket and coupling part contact binding post.Display panel is arranged on the lamp to utilize the light display image that is sent by lamp.
The present invention has strengthened lamp under the situation of not using welding, lamp socket and the electrical connection of power supply between the substrate, and make and comprise lamp, the backlight assembly or the supply module of lamp socket and power supply substrate are made easy.
The present invention has further improved the reprocessing efficient of the supply module of backlight assembly by the power supply substrate is separated with supply module or backlight assembly.
Description of drawings
When considering, above-mentioned and other feature and advantage of the present invention are become apparent by the reference following detailed description together with accompanying drawing.
Fig. 1 has shown according to the lamp of the embodiment of the invention and the perspective view of lamp socket;
Fig. 2 has shown the lamp among Fig. 1 and the vertical view of lamp socket;
Fig. 3 is the cutaway view that has shown the lamp of cutting open along I-I ' line among Fig. 1;
Fig. 4 has shown according to the lamp of the embodiment of the invention and the plane graph of lamp socket;
Fig. 5 is the perspective view that has shown according to the lamp socket of the embodiment of the invention;
Fig. 6 has shown according to the lamp of the embodiment of the invention and the perspective view of lamp socket;
Fig. 7 has shown according to the lamp of the embodiment of the invention and the perspective view of lamp socket;
Fig. 8 has shown the lamp among Fig. 7 and the decomposition diagram of lamp socket;
Fig. 9 has shown the lamp cut open along II-II ' line among Fig. 7 and the cutaway view of lamp socket;
Figure 10 has shown according to the lamp of the embodiment of the invention and the decomposition diagram of lamp socket;
Figure 11 has shown the lamp cut open along III-III ' line among Figure 10 and the cutaway view of lamp socket;
Figure 12 has shown the lamp cut open along IV-IV ' line among Figure 10 and the cutaway view of lamp socket;
Figure 13 is the top perspective view that has shown according to the supply module of the embodiment of the invention;
Figure 14 has shown the end perspective view of supply module among Figure 13;
Figure 15 has shown the decomposition view of supply module among Figure 13;
Figure 16 is the perspective view that has shown according to the lamp socket of the embodiment of the invention;
Figure 17 is the cutaway view that has shown the supply module of cutting open along the V-V ' line among Figure 13;
Figure 18 is the cutaway view that has shown according to the supply module of the embodiment of the invention;
Figure 19 is the cutaway view that has shown according to the supply module of the embodiment of the invention;
Figure 20 is the perspective view that has shown according to the partial cut of the supply module of the embodiment of the invention;
Figure 21 is the perspective view that has shown according to the supply module of the embodiment of the invention;
Figure 22 has shown the decomposition diagram of supply module among Figure 21;
Figure 23 has shown the perspective view of lamp socket among Figure 22;
Figure 24 is the fragmentary, perspective view that has shown power supply substrate among Figure 22;
Figure 25 and 26 is for having shown the cutaway view of the supply module of cutting open along VI-VI ' line among Figure 22;
Figure 27 is the perspective view that has shown according to the supply module of the embodiment of the invention;
Figure 28 has shown the decomposition diagram of supply module among Figure 27;
Figure 29 has shown the decomposition diagram of supply module among Figure 28;
Figure 30 is the cutaway view that has shown the supply module of cutting open along VII-VII ' line among Figure 28;
Figure 31 is the cutaway view that has shown the supply module of cutting open along VIII-VIII ' line among Figure 28;
Figure 32 is the decomposition diagram that has shown according to the supply module of the embodiment of the invention;
Figure 33 has shown the perspective view of lamp socket among Figure 32;
Figure 34 is the cutaway view that has shown the supply module of cutting open along IX-IX ' line among Figure 32;
Figure 35 is the perspective view that has shown according to the lamp socket of the embodiment of the invention;
Figure 36 is the perspective view that has shown according to the supply module of the embodiment of the invention;
Figure 37 has shown the decomposition diagram of supply module among Figure 36;
Figure 38 is the perspective view that has shown according to the supply module of the embodiment of the invention;
Figure 39 is the cutaway view that has shown the supply module of cutting open along X-X ' line among Figure 38;
Figure 40 is the decomposition diagram that has shown according to the supply module of the embodiment of the invention;
Figure 41 is the cutaway view that has shown the supply module of cutting open along XI-XI ' line among Figure 40;
Figure 42 is the decomposition diagram that has shown according to the backlight assembly of the embodiment of the invention;
Figure 43 is the cutaway view that has shown the backlight assembly of cutting open along XII-XII ' line among Figure 42;
Figure 44 is the cutaway view that has shown according to the backlight assembly of the embodiment of the invention;
Figure 45 is the decomposition diagram that has shown according to the backlight assembly of the embodiment of the invention;
Figure 46 is the cutaway view that has shown the backlight assembly of cutting open along XIII-XIII ' line among Figure 45;
Figure 47 is the decomposition diagram that has shown according to the backlight assembly of the embodiment of the invention;
Figure 48 is the cutaway view that has shown the backlight assembly of cutting open along XIV-XIV ' line among Figure 47;
Figure 49 is the decomposition diagram that has shown according to the display device of the embodiment of the invention; With
Figure 50 is the cutaway view that has shown the backlight assembly of cutting open along XV-XV ' line among Figure 49.
Embodiment
Hereinafter with reference to the accompanying drawings the present invention is more comprehensively described, shown example embodiment of the present invention in the accompanying drawing.Yet the present invention can comprise many different forms and not should be understood to the exemplary embodiment that is confined to this place elaboration.Provide these exemplary embodiments to make the disclosure will become thorough and complete, and will pass on scope of the present invention all sidedly to those skilled in the art.In the accompanying drawings, the size and the relative size in layer and zone for the sake of clarity can be amplified expression.
Should be clear, when element or layer be known as " ... on ", in " being connected to " or " being coupled to " another element or when layer,, it can be located immediately on other element or the layer, connect or be coupled on other element that may occur or the layer, perhaps have element or the layer got involved.In the text, identical Reference numeral is represented similar elements.When this uses, term " and/or " comprise Listed Items that one or more is associated arbitrarily or all combinations.
Be used herein to description different element, parts, zone, layer and/or part although should be understood that the term first, second, third, etc., these elements, parts, zone, layer and/or part are not limited to by these terms should.These terms only are used for an element, parts, zone, layer or part and another zone, layer or part are distinguished.Therefore, do not breaking away under the situation of the present invention instruction, below first element, parts, zone, the layer discussed or partly can be called second element, parts, zone, layer or part.
Such as " following ", " below ", " lower ", " ... top ", " top ", " top ", " bottom " and the spatial relationship term that is equal to speech are convenience in order to be described with reference to the drawings in this use, to describe element showing in the accompanying drawing or the feature relation with respect to another element or feature.The term that should be understood that spatial relationship comprise except shown in the figure towards use or the difference of the equipment in the operation towards.For example, if the equipment among figure upset, the element that is described as being positioned at other element or feature " following " or " below " will be orientated thereupon and be located at another element or feature " top ".Therefore, two orientation above or below exemplary term " below " can comprise.Same equipment can be in other orientation (be rotated by 90 degrees or be positioned at other orientation) and carry out respective explanations with the spatial relationship descriptor that uses herein.
Term is for the purpose of describing specific embodiment and is not used in restriction of the present invention as used herein.When this uses, unless difference clearly represented in context, otherwise singulative " " and " described " also are used to comprise plural form.It should also be understood that, term " comprises " when using in this manual, specify the existence of described feature, integral body, step, operation, element and/or parts, but do not get rid of the existence or the increase of one or more further feature, integral body, step, operation, element, parts and/or its combination.
Example embodiment of the present invention describes with reference to profile at this, and described profile is the schematic diagram of the idealized embodiment (and intermediate structure) of the present invention.Similarly, the distortion of shape is expected in the accompanying drawing that is for example produced by production technology and/or tolerance.Therefore, embodiments of the invention not should be understood to be subject to the given shape in zone shown here, but comprise owing to for example make the form variations that produces.Zone shown in the accompanying drawing is schematically in itself, and their shape is not used in the true form in display device zone, and is not used in and limits the scope of the invention.
Unless otherwise defined, all terms (comprising technology and scientific terminology) that herein use have the identical meanings as the ordinary technical staff in the technical field of the invention's common sense.Should further understand, should be interpreted as having and their the identical implication of implication under the situation of correlation technique such as those terms that in common dictionary, define, unless and clear herein definition, otherwise should not explain with idealized or excessively formal implication.
Lamp
Fig. 1 has shown according to the lamp of the embodiment of the invention and the perspective view of lamp socket.
With reference to figure 1, lamp 60 is fixed on the lamp socket 30.Especially, lamp socket 30 is fixed on lamp 60 on the preposition.Lamp socket 30 is electrically connected to and makes on the lamp 60 that voltage is applied on the lamp 60 by lamp socket 30.Lamp socket 30 comprises main body 40 and power supply component 50.
The main body 40 of lamp socket 30 comprises bottom 41 and lamp support section 45.Lamp support section 45 41 stretches out from the bottom.Lamp support section 45 has at least one lamp support slot, and the end portion supports of lamp 60 is on described groove.
Lamp 60 is luminous in response to the voltage that receives by lamp socket 30.In one embodiment, lamp 60 is cold-cathode fluorescence lamp (CCFL).Lamp 60 comprises fluorescent tube 61, electrode and lamp lead 68.
Fig. 2 has shown the lamp 60 among Fig. 1 and the vertical view of lamp socket 30, and Fig. 3 is the cutaway view that has shown the lamp of cutting open along I-I ' line among Fig. 1 60.
Referring to figs. 1 to 3, lamp lead 68 is electrically connected to power supply component 50 with the electrode 63 of lamp 60.In an embodiment of the present invention, lamp lead 68 comprises coupling part 65 and standing part 67.The shell that fluorescent tube 61 is passed from electrode 63 in coupling part 65 stretches out and is inserted into the power supply terminal of power supply component 50.Standing part 67 has prevented that lamp lead 68 from skidding off power supply component 50.Standing part 67 is positioned at the end of coupling part 65.
In an embodiment of the present invention, standing part 67 is spherical.At this, when standing part 67 and coupling part 65 with reference to Fig. 3 from top to bottom when " incision ", the cross section of standing part 67 can be basically greater than the cross section of coupling part 65.The diameter of standing part 67 has been guaranteed reliable connection between lamp socket 30 and the lamp 60 greater than the diameter of coupling part 65 basically.
Fig. 4 has shown the vertical view of lamp and lamp socket in accordance with another embodiment of the present invention.
With reference to figure 4, lamp 160 comprises fluorescent tube 161, electrode (do not show, but arrange the electrode 63 that is similar among Fig. 3) and lamp lead 168.Except the structure of lamp lead 168, lamp 160 can have with referring to figs. 1 to 3 described lamp 60 essentially identical structures.
The lamp lead 168 of lamp 160 comprises coupling part 165 and standing part 167.Except the shape of standing part 167, lamp lead 168 have with Fig. 1 to 3 in the lead-in wire 68 essentially identical structures.
When the page of going into Fig. 4 " was cut " in standing part 167 and coupling part 165, the cross section of standing part 167 was basically greater than the cross section of coupling part 165.In described embodiment, standing part 167 has chamfer shape.That is, the cross section of standing part 167 is along with increasing gradually with the distance of fluorescent tube 161.Therefore, even the standing part 167 of lamp lead 168 connects lamp 160 reliably and lamp socket 130 makes them also not separated when withstanding shocks.
In the above-described embodiments, standing part 67 and 167 is sphere or chamfer shape.Yet the present invention is not limited to these shapes, and as long as described shape has prevented that standing part from skidding off power supply component 50, the standing part of lamp lead can have known shape arbitrarily, such as hexagon, and tetrahedron shape etc.
Lamp socket
Fig. 5 is the perspective view that has shown according to the lamp socket 200 of the embodiment of the invention.
With reference to figure 5, lamp socket 200 is electrically connected to voltage supply line with lamp makes voltage be applied on the lamp.The profile that has shown fluorescent tube 230 and voltage supply line 270 among the figure.Described lamp can comprise cold-cathode fluorescence lamp or external electrode fluorescent lamp (EEFL).Lamp socket 200 comprises main body 210 and power supply component 250.Fluorescent tube is connected to lamp lead 238, and latter's profile is represented by dotted lines in the drawings.
As mentioned above, when lamp 230 and lamp socket 200 assemblings, voltage supply line 270 and lamp lead 238 are kept by power supply component 250.Described assembly method is connected to voltage supply line 270 reliably with lamp socket 200 and lamp 230 and lamp socket 200 is combined effectively.
Fig. 6 has shown according to the lamp of the embodiment of the invention and the perspective view of lamp socket.
With reference to figure 6, lamp socket 300 comprises main body 310, power supply component and conduction adhesion elements 350.Lamp 303 comprises fluorescent tube 305 and lamp lead 306.
The main body 310 of lamp socket 300 has formation lamp support slot 311 at an upper portion thereof.Main body 310 can have the reception space that contiguous lamp support slot 311 forms.Described reception space do not show in Fig. 6, because it is conducted electricity adhesion elements 350 and covers.Power supply component (for example, the power supply component 50 of Fig. 1) can be arranged in the reception space of main body 310.
Power supply component comprises binding post connected to one another and power supply terminal (for example, referring to following Fig. 9).Binding post extends and is exposed on the lower surface of main body 310 to the bottom of main body 310.Power supply terminal extends and is exposed in the reception space of main body 310 to the top of main body 310.In an embodiment of the present invention, power supply terminal can be divided into two power supply terminal parts.When lamp 303 was positioned on the lamp support slot 311, the power supply terminal part can be arranged on the both sides of lamp lead 306 in parallel with each other.
Conduction adhesion elements 350 can comprise aluminium glue band 330.Described conduction adhesion elements 350 covers lamp lead 306 and power supply terminal.Described conduction adhesion elements 350 is electrically connected to power supply component with lamp lead 306.
Because lamp socket 300 is the fixed light 303 and the adhesion elements 350 guard lamp lead-in wire 306 effectively that conducts electricity reliably, thereby prevented damage to lamp lead 306.
Fig. 7 has shown that according to the lamp of the embodiment of the invention and the perspective view of lamp socket Fig. 8 has shown the lamp of Fig. 7 and the decomposition diagram of lamp socket.
With reference to figure 7 and 8, lamp socket 400 comprises main body 410, power supply component 430 and conduction adhesion elements 450.Lamp socket 400 can advantageously use straight the photograph in the type backlight assembly, and wherein said backlight assembly provides light in display device.Lamp 403 comprises fluorescent tube 405 and lamp lead 406.
The main body 410 of lamp socket 400 can be made by injection molding.Main body 410 can have roughly hexahedral shape, but is not that hexahedral each face all is the plane.Main body 410 has end face, and the bottom surface is with the sidepiece that is connected bottom surface and end face.
Lamp support slot 411 is formed on the top of main body 410.More specifically, lamp guider 411 is the part of the end face of main body 410.Lamp support slot 411 can for hemisphere with receiving light 403 stably.Reception space 412 with desired depth is formed on the end face of main body 410 of adjacent lamp support slot 411 to receive power supply component 430.Connecting hole 413 is formed on the sidepiece of main body 410.Connecting hole 413 is communicated with reception space 412.Connection bump 415 is formed on the bottom surface of main body 410.
Fig. 9 has shown the lamp 403 cut open along II-II ' among Fig. 7 and the cutaway view of lamp socket 400.
With reference to figure 7,8 and 9, power supply component 430 can be made with conducting metal.Power supply component 430 is arranged in the reception space 412 and is fixed on the main body 410 of lamp socket 400.Power supply component 430 comprises power supply terminal 431 and binding post 435.Power supply terminal 431 comprises two power supply terminal parts 432 and 433 of separating, and it is formed on the both sides of the lamp lead 406 that is arranged in the lamp support slot 411.The part of binding post 435 is configured as "T"-shaped, and the top of " T " is parallel to the bottom surface of main body 410.As shown in the figure, the top of " T " is exposed on the bottom surface of main body 410.
When first and second standing parts 471 and 473 are inserted into when receiving in the space 412, butt hook 472 and 474 is inserted into respectively in the connecting hole 413 on main body 410 sidepieces.Seat cap 470 is inserted into to receive in the space 412 and simultaneously butt hook 472 is connected with connecting hole 413 with 474.Seat cap 470 can slide up and down in receiving space 412.
According to seat cap 470 with receive combining of space 412, a seat cap 470 be pressed in downwards make on the conduction adhesion elements 450 conduction adhesion elements 450 with go between 406 and power supply terminal part 432 and 433 contact.Therefore, as shown in Figure 9, lamp lead 406 is electrically connected on power supply terminal part 432 and 433 by conduction adhesion elements 450.
For the present invention; even lamp lead 406 is owing to external impact moves; as long as lamp lead 406 is connected on the conduction adhesion elements 450, just can keep firm electrical connection and guard lamp lead-in wire 406 and fluorescent tube 405 between lamp lead 406 and power supply terminal part 432 and 433.
Figure 10,11 and 12 have shown an alternative embodiment of the invention.Figure 10 is the decomposition diagram that has shown lamp and lamp socket.Figure 11 has shown the lamp cut open along III-III ' line among Figure 10 and the cutaway view of lamp socket, and Figure 12 has shown the lamp cut open along IV-IV ' line among Figure 10 and the cutaway view of lamp socket.
With reference to Figure 10, lamp socket 500 comprises main body 510, power supply component 530 and seat cap 570.Lamp 503 comprises fluorescent tube 505 and lamp lead 506.
The main body 510 of lamp socket 500 is a hexahedral shape.Main body 510 comprises end face, and the bottom surface is with the sidepiece that is connected bottom surface and end face.
Circular lamp support slot 511 is formed on the end face of main body 510 of lamp socket 500.Reception space with desired depth can be formed on the end face of main body 510, and adjacent lamp support slot 511.The sidepiece of main body 510 is along lamp support slot 511 and receive spatial extension.Be formed on the sidepiece of main body 510 with the connecting hole 513 that receives spatial communication.
With reference to Figure 11 and 12, power supply component 530 is arranged on and receives in the space.Power supply component 530 comprises first binding post 531 and second binding post 535 that is fixed on the reception bottom surface, space.
First and second binding posts 531 and 535 bottom are fixed on the bottom surface that receives the space, as shown in Figure 12.Stretch out from the end face of main body 510 on first and second binding posts 531 and 535 top.Each first and second binding post 531 and 535 top all are divided into two binding post parts.First and second binding posts 531 and 535 top is to the bending of the bottom surface of main body 510, and contacts with the sidepiece of lamp lead 506 subsequently.
As mentioned above, each first and second binding post 531 and 535 top all are divided into two binding post parts.Because seat cap 570 keeps first and second binding posts 531 and 535 to contact with lamp lead 506, thereby keep being electrically connected reliably between lamp lead 506 and first and second binding post 531,535.
In another embodiment, each first and second binding post 531 and 535 all comprises the binding post part more than three.
When being assembled together, because the conduction adhesion elements of lamp socket or first and second binding posts, and make the lamp lead can be mobile slightly with two binding posts parts of separating with lamp socket described in figure 6 to 12.Binding post separately partly keeps and being electrically connected of lamp lead.Binding post part is also protected the damage when preventing to bear external impact of fluorescent tube and lamp lead.
Supply module
Figure 13 is the top perspective view that has shown according to the supply module of the embodiment of the invention, and Figure 14 is the end perspective view (Figure 14 turns upside down with respect to Figure 13) that has shown the supply module among Figure 13, and Figure 15 is the decomposition view that has shown the supply module among Figure 13.
With reference to figures 13 to 15, supply module 600 comprises power supply substrate 610 and lamp socket 650.
Figure 16 has shown that according to the perspective view of the lamp socket of the embodiment of the invention and Figure 17 be the cutaway view that has shown the supply module of cutting open along V-V ' line among Figure 13.
Referring to figs. 16 and 17, lamp socket 650 is fixed to lamp 601 in the power supply substrate 610, and voltage is applied on the lamp 601.Each lamp socket 650 all comprises main body 630 and power supply component 640.
The main body 630 of lamp socket 650 is removably inserted in the fixing hole 611 one (referring to Figure 15).Main body 530 is inserted into the fixing hole 611 to the second end from first end from the end face of power supply substrate 610.Alternately, main body 630 from the second end in first end is inserted into the fixing hole 611 one.
Each main body 630 can utilize the material with good electrical insulation characterisitic to make.Main body 630 comprises bottom 631 and lamp support section 635.Lamp support section 635 631 stretches out from the bottom.Groove is formed on lamp support section 635 tops with the end of fixed light 601 and prevent that lamp 601 from rolling or breakking away.
Binding post 641 is exposed to the bottom of main body 630 and extends along the bottom surface of power supply substrate 610.Binding post 641 contacts with connecting portion 615.Alternately, binding post 641 can be connected on the connecting portion 615 by welding method.
Power supply terminal 645 stretches out from binding post 641, and extends beyond the end face of the main body 610 of lamp socket 650.First and second binding posts 531 that show among the structure of power supply terminal 645 and Figure 10 to 12 and 535 superstructure are basic identical.Lamp lead 605 is inserted in the power supply terminal 645.
Figure 18 has shown according to the present invention the cutaway view of the supply module of another supply module embodiment.
With reference to Figure 18, supply module 700 comprises power supply substrate 710, lamp socket 750 and power supply unit 770.Power supply substrate 710 has end face and bottom surface.
Be arranged on except power supply unit 770 on the end face of power supply substrate 710, connection pad 715 is formed on the end face of power supply substrate 710, and binding post 741 stretches out with outside the contact connecting portion 715 from the sidepiece of the main body 730 of lamp socket 750, and supply module 700 has and the supply module 600 essentially identical structures of describing with reference to Figure 13 to 17.
Figure 19 has shown the cutaway view of supply module according to another embodiment of the present invention.
With reference to Figure 19, supply module 800 comprises power supply substrate 810, power supply component 840 and power supply unit 870.Except the power supply substrate 810 with integrated lamp retaining part 830 has replaced the lamp socket 650, supply module 800 have with reference to the described supply module 600 essentially identical structures of Figure 13 to 17.
Power supply substrate 810 is for having the plate of end face and bottom surface.Power supply unit 870 is installed on the bottom surface of power supply substrate 810.In addition, coupling part 815 is formed on the bottom surface of power supply substrate 810.Coupling part 815 is electrically connected on the power supply unit 870.
Lamp retaining part 830 stretches out along the length of power supply substrate 810 from the outer peripheral portion of the end face of power supply substrate 810.Lamp retaining part 830 and power supply substrate 810 whole formation.Lamp retaining part 830 has lamp support slot 835, and it is designed to keep the end of lamp 801.
Power supply component 840 have with reference to the essentially identical structure of the described power supply component of Figure 13 to 17.Power supply component 840 extends through lamp retaining part 830.Power supply component 840 comprises binding post 841 and power supply terminal 845.Binding post 841 extends to connecting portion 815 and contacts along the bottom surface of power supply substrate 810.
Figure 20 has shown the perspective view of the partial cut of supply module according to another embodiment of the present invention.
With reference to Figure 20, supply module 900 comprises power supply substrate 910, lamp socket 950 and power supply unit.Except lamp socket 950, supply module 900 can have with reference to the described supply module 600 essentially identical structures of Figure 13 to 17.
Each power supply terminal is fixed the electrode 905 of EEFL901 and is gone up in position and voltage is applied on the electrode 905.
In an embodiment of the present invention, supply module comprises lamp socket unit, and described lamp socket unit has and a plurality ofly is arranged in the power supply substrate and the lamp socket that separates with regular interval.
Figure 21 is the perspective view that has shown according to the supply module of the embodiment of the invention, and Figure 22 is the decomposition diagram that has shown the supply module among Figure 21, and Figure 23 has shown the perspective view of lamp socket among Figure 22.
With reference to figures 21 to 23, supply module 1000 comprises lamp socket 1030 and power supply substrate 1040.
Binding post stretches out to the link slot that is formed on main body 1031 bottoms.Power supply terminal stretches out and stretches out from the top of main body 1031 from binding post.Power supply terminal can have the local split ring shape that allows its receiving light lead-in wire.
Figure 24 is the fragmentary, perspective view that has shown power supply substrate among Figure 22.
With reference to Figure 24, power supply substrate 1040 provides voltage to power supply component 1033.Power supply substrate 1040 comprises insulating base, power supply unit, and electric wire.
Described insulating base has end face and bottom surface.Power supply unit is installed on the bottom surface of insulating base.Power supply unit can comprise converter, and it sends the voltage that drives lamp according to the supply voltage by the outside supply.Converter can be converted to direct current with the alternating current that provides from the outside.Converter can increase the direct current after the conversion or be reduced to the predetermine level of lamp.In addition, increase or the direct current that reduces can be converted to alternating current by converter.
In an embodiment of the present invention, power supply substrate 1040 can comprise balance plate, and it is used for evenly applying the voltage that is provided by converter to a plurality of lamps.
Electric wire is electrically connected to power supply unit.Electric wire partly is exposed to the front surface of insulating base to form connecting portion 1044, and it is designed to link to each other with the binding post of power supply component 1003.
Figure 25 and 26 is for having shown the cutaway view of the supply module of cutting open along VI-VI ' line of Figure 22.Especially, Figure 25 has shown the lamp socket 1030 that separates with power supply substrate 1040, and Figure 26 has shown the lamp socket 1030 that combines with power supply substrate 1040.
With reference to Figure 24 and 26, standing part 1041 is formed on the front surface of insulating base.Lamp socket 1030 is fixed on the standing part 1041.Standing part 1041 can form with insulating base is whole.Alternately, standing part 1041 and insulating base separating component for assembling.In this case, standing part 1041 can combine with insulating base by the whole bag of tricks.
The main body 1031 of lamp socket 1030 is detachably connected on the standing part 1041.Standing part 1041 comprises first extension 1043 and second extension 1045.
Connecting portion 1044 is exposed on the sidepiece of first extension 1043.When first extension 1043 was inserted in the link slot 1037, the binding post 1038 that inwardly stretches in the link slot 1037 contacted with connecting portion 1044.When electric current flowed between binding post 1038 and connecting portion 1044, the voltage that is provided by power supply unit was applied on the lamp.
With reference to Figure 25 and 26, power supply substrate 1040 combines with the lamp socket 1030 that is fixed on the Connection Element 1020.Connection Element 1020 for example can comprise the base plate of receiving vessel, and lamp socket 1030 is arranged on the described base plate.Connection Element 1020 can have the uniaxial extension plate structure.Connection Element 1020 has a plurality of openings, and lamp socket 1030 is inserted in the described opening.Described opening can be along the length serial arrangement of Connection Element 1020.Connection Element 1020 and power supply substrate 1040 can utilize screw to be connected to each other.
The stay hook 1036 that is formed on the main body 1031 is connected on the bottom surface of Connection Element 1020, as shown in Figure 26.The main body 1031 that stay hook 1036 has prevented lamp socket 1030 skids off by the opening of Connection Element 1020.
According to the described supply module 600,700,800,900 and 1000 of reference Figure 13 to 26, lamp lead removably combines with the power supply component of lamp socket, and the binding post of lamp socket directly contacts with the suprabasil connecting portion of power supply.Therefore, set up between binding post and the connecting portion reliably or the electrical connection between lamp lead and the binding post.The described parts of supply module help efficient assembling.
Figure 27-31 has shown embodiments of the invention, and wherein supply module comprises terminal block.
Figure 27 is the perspective view that has shown according to the supply module of the embodiment of the invention, and Figure 28 has shown the decomposition diagram of the supply module among Figure 27.
With reference to Figure 27 and 28, supply module 1100 comprises a plurality of lamp sockets 1150 and power supply substrate 1160.
Each lamp socket 1150 all comprises main body and power supply component, as mentioned above.The main body of lamp socket 1150 have with reference to Figure 16 and 17 described main body 630 essentially identical structures.
Power supply component extends through main body.As mentioned above, power supply component extends to the bottom from the top of main body.Power supply component comprises binding post and power supply terminal, and binding post is exposed to lower body part.Power supply terminal stretches out and is exposed to main body top from binding post.
Binding post receives the voltage of self-powered substrate 1160.Binding post have with reference to the essentially identical structure of the described binding post of Figure 23.
In an embodiment of the present invention, supply module 1100 also comprises the terminal block 1140 that is used for ease of assembly lamp socket 1150 and power supply substrate 1160.
Figure 29 has shown the decomposition diagram of supply module among Figure 28, and Figure 30 is the cutaway view that has shown the supply module of cutting open along VII-VII ' line among Figure 28.
With reference to Figure 28 to 30, power supply substrate 1160 is connected on the terminal block 1140.Power supply substrate 1160 comprises and power supply component 1155 contacted coupling parts 1166.Especially, power supply substrate 1160 comprises insulating base 1161, power supply unit and electric wire 1165.
Insulating base 1161 combines with terminal block 1140.Insulating base 1161 is wider than terminal block 1140 substantially.Insulating base 1161 can have the length similar substantially to terminal block 1140.Insulating base 1161 has end face and bottom surface, and terminal block 1140 is arranged on the described end face.Insulating base 1161 comprises the female thread portion that extends to front surface from the bottom surface of insulating base 1161.The female thread portion of insulating base 1161 is aimed at the threaded portion of terminal block 1140 to allow screw to extend through two parts.
Power supply unit is arranged on the bottom surface of insulating base 1161 thereby voltage is provided.The quantity of power supply unit can change according to the quantity of lamp socket 1150.For example, a power supply unit provides voltage can for all lamp sockets.Alternately, lamp socket can divide into groups and one or more power supply unit can provide electric energy to every group of lamp socket.
Figure 31 is the cutaway view that has shown the supply module of cutting open along VIII-VIII ' line among Figure 28.
With reference to Figure 30 and 31, lamp socket 1150 is fixed to the end of lamp 1120 on the supply module 1100.When lamp comprised the cold-cathode fluorescence lamp that shows among Figure 31, the electrode 1125 of lamp 1120 comprised sparking electrode and lamp lead.
Sparking electrode is arranged in the fluorescent tube 1121 of lamp 1120, and lead-in wire stretches out from fluorescent tube 1121.Every lead-in wire is all kept by the power supply terminal 1157 that stretches out from the main body 1151 of lamp socket 1150.
In an embodiment of the present invention, terminal block 1140 utilizes screw 1170 to be connected in the power supply substrate 1160.Therefore, the binding post 1156 that is exposed on the bottom surface of terminal block 1140 contacts with connecting portion 1166.When taking out screw 1170 from terminal block 1140 and power supply substrate 1160, terminal block 1140 separates with power supply substrate 1160.Lamp socket 1150 is detachably connected on the fixing hole 1141 of terminal block 1140.
Figure 32 is the decomposition diagram that has shown according to the supply module of the embodiment of the invention, and Figure 33 has shown the perspective view of lamp socket among Figure 32.
With reference to Figure 32 and 33, supply module 1200 comprises power supply substrate 1210, terminal block 1250 and lamp socket 1230.Except lamp socket 1230, supply module 1200 have with reference to the described supply module 1100 essentially identical structures of Figure 27 to 31.
Lamp socket 1230 comprises main body 1231 and power supply component.Except power supply component, lamp socket 1230 have with reference to the described lamp socket 1150 essentially identical structures of Figure 27 to 31.
Power supply component comprises binding post 1236 and power supply terminal.Except binding post 1236, power supply component has and power supply component 1155 essentially identical structures.
Binding post 1236 stretches out downwards from the bottom of the main body 1231 of lamp socket 1230.May utilize spring assembly pair of wire connection terminals 1236 to apply pulling force.For example, binding post can be spring-loaded plate.Can form predetermined inclination on the upright therein position of binding post 1236 with respect to the bottom surface of main body 1231.
Figure 34 is the cutaway view that has shown the supply module of cutting open along IX-IX ' line among Figure 32.
With reference to Figure 32 to 34, when terminal block 1250 combined with insulating base 1211, the binding post 1236 of power supply component 1235 contacted with connecting portion 1216 on being formed on insulating base 1211, and binding post 1236 is compressed against on the bottom surface of main body 1231.When terminal block 1250 separated with insulating base 1211, binding post 1236 was by the neutral position that returns elastically of spring assembly.
Figure 35 is the perspective view that has shown according to the lamp socket of the embodiment of the invention.
With reference to Figure 35, supply module 1300 comprises the power supply substrate, terminal block and lamp socket 1330.Supply module 1300 has and the supply module 1100 essentially identical structures of describing with reference to Figure 27 to 31.
Power supply component comprises binding post 1336 and power supply terminal.Except binding post 1336, power supply component have with reference to Figure 30 and 31 described power supply component 1155 essentially identical structures.
Binding post 1336 can be spring-loaded, for example disc spring.Binding post 1336 stretches out from the bottom of the main body 1331 of lamp socket 1330.
In an embodiment of the present invention, the terminal block (not shown) comprises the conducting element that is exposed on terminal block end face and the bottom surface.At this, lamp socket 1330 is installed in and makes lamp socket 1330 be electrically connected on the conducting element on the terminal block.
Figure 36 is the perspective view that has shown according to the supply module of the embodiment of the invention, and Figure 37 is the decomposition diagram that has shown the supply module among Figure 36.
With reference to Figure 36 and 37, supply module 1400 comprises power supply substrate 1460, terminal block 1440, lamp socket 1450 and Connection Element 1470.Except Connection Element 1470 and be formed on terminal block 1440 and power supply substrate 1460 on groove, supply module 1400 can have with reference to the described supply module 1100 essentially identical structures of Figure 27 to 31.Connection Element 1470 is inserted in the groove.
Insulating base 1461 has a plurality of second grooves 1462, and when assembling, described second groove is positioned to aim at first groove 1443 of terminal block 1440.Second groove 1462 has the desired depth that records from the bottom surface of insulating base 1461.
In an embodiment of the present invention, Connection Element 1470 comprises adhesive tape.Adhesive tape can be inserted between insulating base 1461 and the terminal block 1440 so that insulating base 1461 and terminal block 1440 are combined.
Figure 38 is the perspective view that has shown according to the supply module of the embodiment of the invention, and Figure 39 is the cutaway view that has shown the supply module of cutting open along the X-X ' line among Figure 38.
With reference to Figure 38 and 39, supply module 1500 comprises power supply substrate 1560, terminal block 1540 and lamp socket 1550.Except terminal block 1540 and power supply substrate 1560, described supply module 1500 has and the supply module 1100 essentially identical structures of describing with reference to Figure 27 to 31.
Do not have the connection bump 1543 of female thread portion except existing, described terminal block 1540 can have with reference to Figure 27 and 28 described terminal block 1140 essentially identical structures.Under the situation that has more than one connection bump 1543, described connection bump is arranged on the marginal portion of terminal block 1540 along the length of terminal block 1540.
Except a plurality of connecting holes 1562 that do not have a female thread portion, described insulating base 1561 can have with reference to Figure 27 and 28 insulating base of describing 1161 essentially identical structures.
Connecting hole 1562 is formed on the insulating base 1561.Insulating base 1561 has a plurality of grooves 1563 along its marginal portion.Groove 1563 has the desired depth that records from the bottom surface of insulating base 1561.
Insert in the connecting holes 1562 and connection bump 1543 when being stuck in the groove 1563 when connection bump 1543, terminal block 1540 combines with power supply substrate 1560.Therefore, the binding post of power supply component contacts with connecting portion 1566 on the end face of insulating base 1561.
Figure 40 is the decomposition diagram that has shown according to the supply module of the embodiment of the invention, and Figure 41 is the cutaway view that has shown the supply module of cutting open along the XI-XI ' line among Figure 40.
With reference to Figure 40 and 41, supply module 1600 comprises lamp socket 1650 and power supply substrate 1660.Except lamp socket 1650 with do not have the insulating base 1661 of terminal block 1140, supply module 1600 have with reference to the described supply module 1100 essentially identical structures of Figure 27 to 31.
Except the butt hook 1654 that does not have projection, the main body 1651 of lamp socket 1650 have with reference to the main body 1151 essentially identical structures of the described lamp socket 1150 of Figure 27 to 31.
Except the connecting hole 1662 that inserts for butt hook 1654, insulating base 1661 can have with reference to the described insulating base 1161 essentially identical structures of Figure 27 to 31.Connecting hole 1662 is formed on the part of insulating base 1661 and near coupling part 1666.
When butt hook 1654 was inserted in the connecting hole 1662, lamp socket 1650 was fixed on the insulating base 1661.The binding post 1656 of power supply component 1655 stretches out the coupling part 1666 with contact insulating base 1661 from the bottom of main body 1651.Therefore, power supply substrate 1660 provides voltage for the lamp that is fixed on the lamp socket 1650.
As mentioned above, terminal block can combine by Connection Element and power supply substrate.When using Connection Element, the power supply substrate can be pulled down from supply module, and lamp and lamp socket need not be separated.Described method for dismounting has improved reprocessing efficient.
Backlight assembly
Figure 42 is the decomposition diagram that has shown according to the backlight assembly of the embodiment of the invention, and Figure 43 is the cutaway view that has shown the backlight assembly of cutting open along the XII-XII ' line among Figure 42.
With reference to Figure 42 and 43, backlight assembly 1800 comprises receiving vessel 1710, a plurality of lamp 1705, the first lamp sockets 1730 and power supply substrate 1701.
Receiving vessel 1710 comprises base plate 1715 and the sidewall 1713 that stretches out from the marginal portion of base plate 1715.A plurality of first opening (not shown)s are formed on the base plate 1715 that is close to sidewall 1713.A plurality of second openings 1717 are formed on the base plate 1715, and it is arranged as parallel with first opening.Lamp 1705 is arranged on the base plate 1715.
Power supply substrate 1701 is a plate.Power supply substrate 1701 is arranged under the bottom surface of diapire 1715.Power supply substrate 1701 has towards the first surface of the bottom surface of base plate 1715, with the second surface that is positioned at the plane parallel with first surface.Power supply substrate 1701 comprises first fixing hole 1702 that is positioned to aim at first opening.
First lamp socket 1730 has and the lamp socket 1150 essentially identical structures of describing with reference to Figure 27 to 31.After first lamp socket 1730 was inserted in first fixing hole 1702, first lamp socket 1730 was inserted in first opening.The power supply component 1745 of first lamp socket 1730 comprises binding post 1741 and power supply terminal.Binding post 1741 can be connected directly to the connection pad on the second surface that is formed on power supply substrate 1701.In certain embodiments, binding post 1741 can be connected to by welding method and connect on the pad.
Lamp 1705 is fixed on the lamp socket 1730 that exposes by first opening.The first end of lamp 1705 is by lamp support slot 1735 guiding of lamp socket 1730, and first lamp lead 1706 is connected on the power supply component 1745 of lamp socket 1730.Like this, the power supply substrate provides voltage can for lamp 1705.
Backlight assembly 1800 also comprises second lamp socket 1757 and ground connection substrate 1755.Second lamp socket 1757 can have and first lamp socket, 1730 essentially identical structures.
Second lead-in wire of lamp 1705 is by ground connection substrate 1755 ground connection.In an embodiment of the present invention, ground connection substrate 1755 can be as the power supply substrate 1701 that applies voltage to lamp 1705.
Ground connection substrate 1755 has second fixing hole 1751 that wherein inserts second lamp socket 1757.After second lamp socket 1757 was inserted in second fixing hole 1751, second lamp socket 1757 was inserted in second opening 1717 of base plate 1715.The binding post 1741 of second lamp socket 1757 can contact with the pad that is connected on the bottom surface that is formed on ground connection substrate 1755.In certain embodiments, binding post 1741 can be connected to by welding method and connect on the pad.
Lamp 1705 is fixed on second lamp socket 1757 that extends through second opening 1717.The second end of lamp 1705 is by the lamp support slot guiding of second lamp socket 1757, and second lead-in wire of lamp 1705 is inserted in the power supply terminal of second lamp socket 1757.
Backlight assembly 1800 also comprises reflecting plate 1720, the first sidepiece moulded parts, 1810, the second sidepiece moulded parts 1830 and optical plate unit 1850.
Reflecting plate 1720 is arranged on the base plate 1715 reflecting back to end face from the light of lamp 1705.Reflecting plate 1720 is along sidewall 1713 extensions of receiving vessel 1710 and with its covering.Reflecting plate 1720 has the hole 1721 that holds the projection 1719 that is formed on the sidewall 1713.
The first sidepiece moulded parts 1810 is arranged on the base plate 1715 to cover first lamp socket 1730.The first sidepiece moulded parts 1810 extends with the direction that is approximately perpendicular to lamp 1705 length along sidewall 1713.The first sidepiece moulded parts 1810 comprises two supporting walls and the connector that is connected described supporting walls that contact with base plate 1715.Connector has step-like portion.One of supporting walls that separates with sidewall 1713 has groove to hold lamp 1705.
The second sidepiece moulded parts 1830 is arranged on the base plate 1715 to cover second lamp socket 1757.The second sidepiece moulded parts 1830 has and the first sidepiece moulded parts, 1810 essentially identical structures.
Optical plate unit 1850 has improved from the optical characteristics of the light of lamp 1705 receptions.Especially, optical sheet element 1850 pairs of raisings luminance uniformity and front face brightness are useful.Optical sheet element 1850 comprises scatter plate 1851 and solar panel 1853 and 1855.
Scatter plate 1851 makes from the light scattering of lamp 1705 to improve luminance uniformity.Scatter plate 1851 is positioned on the step part of the connector in the first and second sidepiece moulded parts 1810 and 1830.
Solar panel 1853 and 1855 is concentrated from the light of scatter plate 1851 and is regulated its direction of propagation to improve front face brightness.For example, solar panel 1853 and one of 1855 can be concentrated light along first direction, and in solar panel 1853 and 1855 another can concentrate light along the second direction that is approximately perpendicular to first direction.
Figure 44 is the cutaway view that has shown according to the backlight assembly of the embodiment of the invention.
With reference to Figure 44, backlight assembly 1900 comprises receiving vessel 1910, lamp socket 1930, power supply substrate 1940 and lamp 1955.
Receiving vessel 1910 comprises base plate 1911 and sidewall 1917 and 1919.Connect base plate 1911 a plurality of openings are provided.
Lamp socket 1930 and power supply substrate 1940 have with reference to described lamp socket 1030 of Figure 21 to 26 and power supply substrate 1040 essentially identical structures.
Power supply substrate 1940 has standing part 1941 and is used for lamp socket 1930 is fixed in position on end face.Standing part 1941 comprises first extension 1943 and second extension 1945.Stretch out from first extension 1943 coupling part of power supply substrate 1940.
Each lamp socket 1930 all comprises main body and power supply component, and is similar with the lamp socket 30 among Fig. 1.Described main body has link slot, and when assembling, one of first extension 1943 inserts in the described groove.Described main body also has stay hook 1936 at its sidepiece.
Each power supply component all comprises binding post and power supply terminal, and is similar with the power supply component 430 among Fig. 9.Binding post contacts in the inner extension of link slot and with the suprabasil pad that is connected of power supply.Power supply terminal extends beyond the top of main body.After lamp socket 1930 was contained in the standing part 1941, lamp socket 1930 was inserted in the opening in the base plate 1911.
Lamp 1955 is arranged on the base plate 1911 and is fixed on the lamp socket 1930.The end of lamp 1955 is by the guiding of the lamp support slot on the main body of lamp socket 1930, and lamp lead 1957 puts in the power supply terminal of power supply component.Therefore, voltage can be applied on the lamp 1955 by power supply substrate 1940.
Backlight assembly 1900 also comprises optical plate unit 1960.Optical plate unit 1960 is with basic identical with reference to Figure 42 and 43 described optical plate unit 1850.
Figure 45 is the decomposition diagram that has shown according to the backlight assembly of the embodiment of the invention, and Figure 46 is the cutaway view that has shown the backlight assembly of cutting open along the XIII-XIII ' line among Figure 45.
With reference to Figure 45 and 46, backlight assembly 2000 comprises receiving vessel 2010, a plurality of lamps 2020, a plurality of lamp sockets 2050, terminal block 2040 and power supply substrate 2060.
The fixed lobe 2012 on being formed on base plate 2011, receiving vessel 2020 can be basic identical with reference Figure 42 and 43 described receiving vessels 1710.
Except fluorescent tube, lamp 2020 can have with reference to Figure 42 and 43 described lamp 1705 essentially identical structures.Fluorescent tube is roughly U-shaped.First lead-in wire and second lead-in wire are formed on the end of lamp 2020.The first side wall 2013 of contiguous receiving vessel 2010 is provided with first and second lead-in wires of lamp 2020.The sweep of lamp 2020 is hooked in around the fixed lobe 2012.
Electric wire partly be exposed to the power supply substrate 2060 end face on so that the coupling part to be provided.Lamp socket 2050 is inserted in the fixing hole in the terminal block 2040.Each lamp socket 2050 all comprises main body and power supply component.Power supply component extends to the bottom from the top of main body.Power supply component comprises binding post that is exposed to lower body part and the power supply terminal that stretches out on main body top.Lamp socket 2050 is inserted into after it is fixed on the terminal block 2040 in the opening of base plate 2011 of receiving vessel 2010.
In an embodiment of the present invention, terminal block 2040 and power supply substrate 2060 utilized the Connection Element such as geometrical clamp to combine togather before it is fixed on the base plate 2011.
Figure 47 is the decomposition diagram that has shown according to the backlight assembly of the embodiment of the invention, and Figure 48 is the cutaway view that has shown the backlight assembly of cutting open along the XIV-XIV ' line among Figure 47.
With reference to Figure 47 and 48, backlight assembly 2200 comprises receiving vessel 2210, power supply substrate 2240, a plurality of lamps 2250, voltage supply line 2231 and lamp socket 2201.
Power supply substrate 2240 is arranged on the base plate 2211 of receiving vessel 2210 so that provide voltage to lamp 2250.Connecting pad can be arranged in the power supply substrate 2240 to be connected to voltage supply line 2231.Lamp 2250 also is arranged on the base plate 2211.
Lamp socket 2201 is arranged on the base plate 2211 along the sidewall of receiving vessel 2210.Each lamp socket 2201 all comprises main body 2202 and power supply component 2204.Except the fixed lobe 2203 of the bottom that is formed on main body 2202, lamp socket 2201 can be basic identical with the described lamp socket of reference Fig. 5 200.Power supply component 2204 comprises first clamp 2205 and second clamp 2206.
Voltage supply line 2231 provides voltage to lamp 2250.Lamp 2250 parallel being connected in the power supply substrate 2240.Especially, voltage supply line 2231 is electrically connected to and connects on the pad and the opening by base plate 2211 extends to the inside of receiving vessel 2210.
Lamp socket 2201 is arranged as with predetermined space along voltage supply line 2231 and separates.Voltage supply line 2231 is connected on the first clamp 2205 of lamp socket 2201 by pressure welding method.
The end of fluorescent tube 2251 is kept by the lamp support slot of lamp socket 2201, and inserts and be fixed to the second clamp 2206 from the lamp lead 2259 that electrode 2255 stretches out.Described layout allows a plurality of lamps 2250 to utilize power supply substrate 2240 continued operations.
Backlight assembly 2200 also comprises sidepiece moulded parts 2220.Sidepiece moulded parts 2220 covers lamp socket 2201 and support of optical plate unit.Sidepiece moulded parts 2220 comprises downside moulded parts 2221 and upside moulded parts 2225.
Downside moulded parts 2221 can have roughly L shaped cross section.Downside moulded parts 2221 is arranged on the base plate 2211 along the sidewall 2213 of receiving vessel 2210.Lamp socket 2201 is arranged on the downside moulded parts 2221 and with predetermined space and separates.
In an embodiment of the present invention, downside moulded parts 2221 and lamp socket 2201 whole formation.
Upside moulded parts 2225 combines with protection lamp socket 2201 with downside moulded parts 2221.Upside moulded parts 2225 has step part at the top.The optical sheet (not shown) is arranged on the step part of upside moulded parts 2225.
According to aforesaid backlight assembly, in the assembling process that lamp socket and power supply substrate or terminal block are combined, lamp socket can be inserted in the opening on the base plate.Alternately, lamp socket removably combines with voltage supply line, and is not directly connected on the base plate of receiving vessel.Therefore, backlight assembly can more effectively be made, and does not need lamp socket is fixed to operation on the base plate of receiving vessel.
Display device
Figure 49 is the decomposition diagram that has shown according to the display device of the embodiment of the invention, and Figure 50 is the cutaway view that has shown the backlight assembly of cutting open along the XV-XV ' line among Figure 49.
With reference to Figure 49 and 50, display device 2400 comprises receiving vessel 2310, a plurality of lamps 2320, a plurality of lamp sockets 2350, power supply unit 2330 and display panel 2430.
Receiving vessel 2310 and lamp 2320 are with basic identical with reference to described receiving vessel 1710 of Figure 42 and lamp 1705.In addition, lamp socket 2350 can be basic identical with reference Figure 45 and 46 described lamp sockets 2050.
Each lamp socket 2350 all comprises main body 2351 and power supply component 2355.Main body 2351 is inserted in the opening 2312 on the base plate 2311 that is formed at receiving vessel 2310.Power supply component 2355 comprises binding post and power supply terminal.Binding post is fixed on the main body 2351 and from the bottom surface of base plate 2311 and exposes.Power supply terminal extends beyond the end face of base plate 2311 so that electrode 2325 is fixed on the suitable position.
In an embodiment of the present invention, power supply unit 2330 can comprise insulating base and electric wire.Insulating base can have with reference to the described standing part 1041 essentially identical standing parts of Figure 21 to 26.The electric wire part can be stretched out from the sidepiece of standing part so that provide the connection pad at insulating base.
In an embodiment of the present invention, standing part can be formed on the insulating base.Standing part can comprise with reference to the described fixing hole 611 essentially identical fixing holes of Figure 15.Electric wire part can partly be exposed on the bottom surface of insulating base so that coupling part 2366 is provided on insulating base.The binding post of lamp socket 2350 can expose from the bottom surface of insulating base, contacts with connecting portion 2366.Alternately, binding post can be connected on the connecting portion 2366 by welding method.
Middle part moulded parts 2410 covers peripheral part of optical plate unit 2390 and combines with receiving vessel 2310.Middle part moulded parts 2410 has the step part that is formed on its end face.Display panel 2430 is arranged on the step part.
Electrode is arranged between first and second substrates 2440 and 2450 with the control liquid crystal layer.The data voltage that is used for generation electric field between electrode is applied to first substrate 2440 by printed circuit board (PCB) (PCB) 2445 and flexible printed circuit board 2447.Described electric field can be regulated the light quantity of passing display panel 2430 by rearranging liquid crystal layer.Therefore, display device 2400 can show required image by display panel 2430.
According to the present invention, the standing part that is formed on the lamp lead end can prevent that the lamp and the conductive clip of lamp socket from separating along the direction that is roughly parallel to lamp length.Therefore, lamp can closely combine with lamp socket.
As mentioned above, the electrode of voltage supply line and lamp can be connected to prevent the short circuit between lamp and the voltage supply line with the power supply component of lamp socket.Described lamp can easily be assembled together with lamp socket.
Because lamp socket can comprise conduction adhesion elements or the binding post with plural binding post part of separating, in being electrically connected between the power supply terminal of fully guaranteeing to go between with lamp socket, lamp lead can move.Therefore, can prevent the damage that causes by external impact effectively to lamp and/or lamp socket.
Lamp lead is detachably connected on the power supply terminal of lamp socket, and the binding post of lamp socket can directly contact with the coupling part of power supply substrate.Therefore, under the situation of not using any welding method, can strengthen lamp greatly, the electrical connection between lamp socket and the power supply substrate.And, comprising lamp, the backlight assembly or the supply module of lamp socket and power supply substrate can easily be made.
Because terminal block can easily separate with the power supply substrate, so under situation about lamp not being pulled down from lamp socket, the power supply substrate can separate with supply module or backlight assembly.Therefore, can improve the reprocessing efficient of supply module or backlight assembly.
Under the situation on the base plate that lamp socket is not connected to receiving vessel, when lamp socket assembled with power supply substrate or terminal block, a plurality of lamp sockets can combine with receiving vessel.Therefore, comprise that the backlight assembly of these elements and display device can make more efficiently, and do not need lamp socket is fixed to operation on the receiving vessel base plate.
Therefore, supply module is even backlight assembly and display device can efficiently be made the feasible improvement that also can guarantee reliability after bearing external impact.
Above be used to the present invention is described and should not be construed as limitation ot it.Although example embodiment more of the present invention are described, those skilled in the art will readily appreciate that, break away from essence not under the situation of the instruction of novelty of the present invention and advantage, can carry out many improvement to example embodiment.Therefore, all these improve and all to be included in as within the scope of the present invention defined in the claim.For example, lamp described here, lamp socket, supply module, backlight assembly can " mix and mate " the suitable degree that reaches with the different embodiment of display panel.
Should be appreciated that above to be used to the present invention is described and to should not be construed as and be confined to disclosed specific embodiment, and improvement and other embodiment of disclosed embodiment comprised within the scope of the appended claims.The present invention is limited by following claim, and the equivalent of claim comprises wherein.
Claims (4)
1. lamp comprises:
The fluorescent tube that comprises discharge gas;
In described fluorescent tube inside, be arranged on the electrode at place, its end; With
The lamp lead that comprises coupling part and standing part, wherein the coupling part is extended and is inserted into the power supply component that is fixed to lamp socket to the outside of described fluorescent tube from electrode, and wherein separate from power supply component to prevent described coupling part the standing part end that is formed at described coupling part.
2. lamp as claimed in claim 1, wherein standing part has the cross section greater than described coupling part, and described cross section is approximately perpendicular to the length direction of fluorescent tube.
3. lamp as claimed in claim 2, wherein standing part is spherical.
4. lamp as claimed in claim 2, wherein standing part has chamfer shape, and its cross section is along with increasing gradually with the distance of fluorescent tube.
Applications Claiming Priority (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR49336/05 | 2005-06-09 | ||
| KR1020050049336A KR100774581B1 (en) | 2005-06-09 | 2005-06-09 | Lamp holder, back light assembly having the lamp holder and display device having the same |
| KR1020050055514A KR100774570B1 (en) | 2005-06-27 | 2005-06-27 | Power supply unit, back light assembly having the power supply unit and display device having the same |
| KR55514/05 | 2005-06-27 | ||
| KR1020050077803A KR101318254B1 (en) | 2005-08-24 | 2005-08-24 | Power supply unit, back light assembly having the power supply unit and display device having the same |
| KR77803/05 | 2005-08-24 | ||
| KR1020050111013A KR20070053055A (en) | 2005-11-19 | 2005-11-19 | Lamp unit and backlight assembly having the same |
| KR111013/05 | 2005-11-19 | ||
| KR1020050111014A KR20070053056A (en) | 2005-11-19 | 2005-11-19 | Power supply unit, back light assembly having the power supply unit and display device having the same |
| KR111014/05 | 2005-11-19 | ||
| KR1974/06 | 2006-01-06 | ||
| KR1020060001974A KR20070074168A (en) | 2006-01-06 | 2006-01-06 | Power supply unit, back light assembly having the power supply unit and display device having the same |
| KR1020060013091A KR20070081261A (en) | 2006-02-10 | 2006-02-10 | Lamp holder and backlight assembly having the same |
| KR13091/06 | 2006-02-10 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102659922A Division CN101968188B (en) | 2005-06-09 | 2006-06-09 | Lamp, lamp holder, power supply module, backlight assembly having the power supply module and display device having the power supply module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1945786A CN1945786A (en) | 2007-04-11 |
| CN1945786B true CN1945786B (en) | 2010-11-10 |
Family
ID=37730849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101101842A Expired - Fee Related CN1945786B (en) | 2005-06-09 | 2006-06-09 | Lamp, lamp holder, power supply module, and backlight assembly and display device using these |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100774581B1 (en) |
| CN (1) | CN1945786B (en) |
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|---|---|---|---|---|
| JP4509054B2 (en) * | 2006-03-20 | 2010-07-21 | 日本圧着端子製造株式会社 | Composite connector, holder used for composite connector, connection structure of fluorescent tube terminal to circuit board, and connection method of fluorescent tube terminal to circuit board |
| KR101305367B1 (en) | 2006-11-06 | 2013-09-06 | 엘지디스플레이 주식회사 | Backlight unit and liquid crystal display module |
| US8960935B2 (en) | 2007-01-31 | 2015-02-24 | Lg Display Co., Ltd. | Backlight unit and liquid crystal display device having the same |
| KR101279223B1 (en) * | 2007-02-15 | 2013-06-26 | 엘지디스플레이 주식회사 | Flat-light Unit and Liquid Crystal Display Device with the same |
| KR101275966B1 (en) * | 2007-05-11 | 2013-06-14 | 엘지디스플레이 주식회사 | Backlight unit and liquid crystal display device having the same |
| KR101342061B1 (en) | 2007-07-20 | 2013-12-18 | 삼성디스플레이 주식회사 | Back light assembly, assembling method of the same and liquid crystal display device including the same |
| US8279368B2 (en) | 2007-09-14 | 2012-10-02 | Sharp Kabushiki Kaisha | Lighting device for display device, display device and television receiver |
| CN100456106C (en) * | 2007-09-18 | 2009-01-28 | 友达光电股份有限公司 | Backlight structure |
| RU2442252C1 (en) * | 2007-12-27 | 2012-02-10 | Шарп Кабусики Кайся | The contact connector, mounting scheme for the contact connector and the frame, mounting scheme for the gas-discharge tube and the source of power with the contact connector, the display illuminator, display device and television receiver |
| KR101285274B1 (en) * | 2008-02-12 | 2013-07-15 | 엘지디스플레이 주식회사 | Liquid crystal display device |
| WO2009104297A1 (en) * | 2008-02-22 | 2009-08-27 | シャープ株式会社 | Illuminating device, display device and television receiver |
| US8388206B2 (en) | 2008-03-04 | 2013-03-05 | Sharp Kabushiki Kaisha | Backlight device, display device and television receiver |
| CN101725931B (en) * | 2009-12-28 | 2011-04-13 | 广州创维平面显示科技有限公司 | Cold cathode fluorescence lamp connector for backlight module and backlight module |
| KR20110080325A (en) * | 2010-01-05 | 2011-07-13 | 삼성전자주식회사 | A backlight assembly having a fluorescent lamp, and a display apparatus having the same |
| CN102313195B (en) * | 2010-07-06 | 2014-06-18 | 乐金显示有限公司 | Apparatus for fabricating light guide panel and backlight unit having the light guide panel |
| JP5387633B2 (en) * | 2011-08-05 | 2014-01-15 | パナソニック株式会社 | Discharge tube and light emitting device including the discharge tube |
| CN102709768B (en) * | 2012-05-30 | 2014-08-13 | 深圳市华星光电技术有限公司 | Socket |
| JP5942322B2 (en) * | 2013-12-25 | 2016-06-29 | 株式会社フジックス | Bar-shaped bus bar connector and bar-shaped bus bar connection structure |
| CN105158975B (en) * | 2015-10-12 | 2018-09-25 | 深圳市华星光电技术有限公司 | Back light module group |
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| MY115106A (en) * | 1997-04-16 | 2003-03-31 | Japan Aviation Electron | Liquid crystal backlight socket |
| KR100754778B1 (en) * | 2002-04-24 | 2007-09-03 | 삼성전자주식회사 | Lamp assembly and liquid crystal display device using the same |
| KR100599965B1 (en) * | 2003-07-22 | 2006-07-12 | 비오이 하이디스 테크놀로지 주식회사 | Backlight unit for liquid crystal display |
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| CN86105815A (en) * | 1985-07-17 | 1987-01-14 | 菲利浦光灯制造公司 | High-pressure discharge lamp |
| CN1029180C (en) * | 1989-02-01 | 1995-06-28 | 菲利浦光灯制造公司 | High-pressure gas discharge lamp |
| CN1134200A (en) * | 1994-08-25 | 1996-10-23 | 菲利浦电子有限公司 | Low-pressure mercury vapour discharge lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1945786A (en) | 2007-04-11 |
| KR100774581B1 (en) | 2007-11-09 |
| KR20060128140A (en) | 2006-12-14 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: SAMSUNG MONITOR CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20121026 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20121026 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
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