CN101089453A - Device for connecting lamp with power supply in backlight unit - Google Patents
Device for connecting lamp with power supply in backlight unit Download PDFInfo
- Publication number
- CN101089453A CN101089453A CNA2007101111092A CN200710111109A CN101089453A CN 101089453 A CN101089453 A CN 101089453A CN A2007101111092 A CNA2007101111092 A CN A2007101111092A CN 200710111109 A CN200710111109 A CN 200710111109A CN 101089453 A CN101089453 A CN 101089453A
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- CN
- China
- Prior art keywords
- lamp
- power supply
- pcb
- blu
- predetermined pattern
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133604—Direct backlight with lamps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/05—Two-pole devices
- H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a device which is used to connect the light and electric power of the backlight unit. The device includes the following components: a light which functions as the light source of the backlight unit in the liquid crystal display device; a printed circuit board which is used to control the light emission of the light and is provided with prescribed graphic pattern formed thereon; an electric power which is used to provide the electric power to the lamp and is provided with prescribed graphic pattern formed thereon; a pin which is inserted and fixed on the prescribed graphic pattern formed on the printed circuit board to connect with the light; and a connector which is inserted and fixed on the prescribed graphic pattern formed on the electric power to connect with the electric power, and the connector is fixedly around the pin. In this way, the prescribed graphic patterns are formed on the printed circuit board and a plurality of lamps are inserted and fixed on the pattern to connect the principal lamp of the LCD component group to the electric power, thereby, the light can be fastened in one time when a plurality of lamps are connected with the electric power.
Description
Technical field
The present invention relates to be used for connecting the lamp of back light unit (BLU) and the device of power supply, more particularly, relate to a kind of be used for the connecting lamp of BLU and the device of power supply, wherein, for will be in LCD (LCD) element group very main lamp (cold-cathode fluorescence lamp: CCFL) be connected to power supply such as inverter and balance plate (balance board), go up the formation predetermined pattern at the printed circuit board (PCB) (PCB) of this device, and a plurality of lamps are inserted and are fixed to this pattern, thus, when a plurality of lamps were connected to power supply, described a plurality of lamps can be by suitably fastening.
Background technology
Usually, BLU is the core parts of LCD.Because such LCD is not self luminous, BLU is used for exactly from the element of the predetermined light of back emission of Thin Film Transistor-LCD (TFT LCD).Such BLU is a core component, and it takies about 25% of the total material cost of LCD.
Below with reference to Fig. 1 the traditional B LU that is used for liquid crystal TV is described to Fig. 3.
Fig. 1 is the perspective view that shows the connection of the lamp among the traditional B LU.Fig. 2 is the rear view of Fig. 1, and Fig. 3 is the exemplary view of assembling process that shows the BLU of Fig. 1 and Fig. 2.
As shown in these figures, a plurality of lamps 11 are supported and are set on the frame 18 by lamp geometrical clamp 16.Via the electric wire 15 by wire harness (harness) 14 lead-in wire 12 of each lamp 11 is connected to connector 13.
That is to say, 12 ends that are soldered to electric wire 15 that go between separately of two lamps 11, then, connector 13 is pulled, and the part that makes the lead-in wire 12 of lamp 11 be connected to the end of electric wire 15 can be inserted in the groove that forms in the wire harness 14.
Fig. 2 is the rearview of Fig. 1.That is to say, a plurality of lamps 11 are configured, make them be connected to a plurality of contravariant transformers 19 that are positioned on the inverter substrate that is used for backlight electric power, so that the electric power that needs in the acquisition work thus by a plurality of connectors 13 and socket 17.
In such prior art, need manually to carry out a series of activities one by one, comprising: the lead-in wire 12 of lamp 11 is welded to process on the end of electric wire 15, lamp 11 is fixed at the process of the lamp geometrical clamp 16 that forms on the frame 18 and pulling connector 13 to be inserted into the process of formed socket 17 on the inverter substrate that is being used for backlight electric power.Like this, just have such problem: ratio of defects rises, and consumes needed time and cost in a large amount of the production.
In addition, in the prior art, must carry out the pb-free solder process, so that lamp 11 is connected on the front end of electric wire 15, and, in this process, depending on the state or the operator of Welding iron, the fault such as cold welding material, excess solder or few scolder can appear.This fault can cause product reliability and owing to the voltage of the DC 400V that is fed to power supply produce such as catching fire or not having the problem of electrifications such as illumination.
Summary of the invention
Therefore, conceived the present invention to solve the aforementioned problems in the prior.An object of the present invention is to provide and be used for connecting the lamp of BLU and the device of power supply, wherein, in order in LCD element group, to be connected to power supply by very main lamp, on the printed circuit board (PCB) of this device, form predetermined pattern, and a plurality of lamps are inserted and are fixed to this pattern, thus, when a plurality of lamps were connected to described power supply, described a plurality of lamps can be once just fastened.
For achieving the above object, according to an embodiment of the inventionly be used for connecting the lamp of BLU and the device of power supply comprises: lamp, as the light source of the BLU among the LCD; PCB is used to control the light emission of lamp, and described PCB has the predetermined pattern that forms thereon; Power supply is used to lamp supply electric power, and described power supply has the predetermined pattern that forms thereon; Pin inserts and is fixed to the predetermined pattern that forms on described PCB, so that be connected to lamp; And connector, insert and be fixed on the predetermined pattern that forms on the described power supply, so that be connected to described power supply, described connector is press-fitted regularly around described pin.
Description of drawings
Fig. 1 is the perspective view that shows the connection of the lamp in the conventional backlight unit (BLU);
Fig. 2 is the rear view of Fig. 1;
Fig. 3 is the exemplary view of assembling process that shows the BLU of Fig. 1 and Fig. 2;
Fig. 4 has shown vertical view, front view and the left view of BLU, and according to an embodiment of the inventionly is used for connecting the lamp of BLU and the device of power supply;
Fig. 5 is the front view of an example of device that is used for connecting the lamp of BLU and power supply that shows according to the embodiments of the invention of Fig. 4;
Fig. 6 is the view that is used for connecting the state before being connected in the device of the lamp of BLU and power supply that shows Fig. 5; And
Fig. 7 is the view that shows the state after being connected in the device of the lamp that is used for connecting BLU among Fig. 5 and power supply.
The specific embodiment
Below, will describe be used for the connecting lamp of back light unit (BLU) and the device of power supply according to an embodiment of the invention with reference to the accompanying drawings in detail.
Fig. 4 has shown vertical view, front view and the left view of BLU, and according to an embodiment of the inventionly be used for connecting the lamp of BLU and the device of power supply, and Fig. 5 is the front view of an example of device that is used for connecting the lamp of BLU and power supply that shows according to the described embodiment of the present invention of Fig. 4.
As shown in above-mentioned figure, be used for connecting the lamp of BLU and the device of power supply comprises: lamp 110, it is as the light source of the BLU 100 in the LCD (LCD); Printed circuit board (PCB) (PCB) 120, the light emission of its control lamp 110, and have the predetermined pattern that forms thereon; Power supply 150, it supplies power to lamp 110, and has the predetermined pattern that forms thereon; Pin 130 inserts and is fixed to the predetermined pattern that forms, so that be connected to lamp 110 on PCB 120; And connector 140, insert and be fixed on power supply 150 predetermined pattern that forms, so that be connected to described power supply, and be press-fitted regularly around pin 130.
In addition, be used for connecting the lamp of BLU and the device of power supply comprises: lamp 110, it is as the light source of the BLU among the LCD 100; PCB 120, the light emission of its control lamp 110, and have the predetermined pattern that forms thereon; Power supply 150, it supplies power to lamp 110, and has the predetermined pattern that forms thereon; Pin 130 inserts and is fixed to the predetermined pattern that forms on power supply 150; And connector 140, insert and be fixed on PCB 120 predetermined pattern that forms, so that be connected to lamp 110, and be press-fitted regularly around pin 130.
Power supply 150 can comprise at least one in contravariant transformer and the balance plate.
Described hole can be Y shape hole 141.
Below, with describe in detail with reference to the accompanying drawings according to a preferred embodiment of the invention be used for connecting the lamp of BLU and the device of power supply.In the following description, when determining that well-known correlation function relevant with the present invention and structure can unnecessarily be blured purport of the present invention, such details will be omitted.In addition, below use considering function of the present invention and the term that defines can or be put into practice usually according to user or operator's intention and changes.So the implication of described term should be determined based on the whole content of this specification.
At first, according to the present invention, for very main lamp in the LCD element group is connected to power supply, form predetermined pattern on PCB, and a plurality of lamps are inserted and be fixed to this pattern, thus, when a plurality of lamps were connected to power supply, described a plurality of lamps can be once just fastened.
Like this, form the lamp pattern on PCB 120, a plurality of lamps 110 are fixed and are connected to described lamp pattern, and power supply 150 comprises the contravariant transformer that is used to supply power to lamp 110, balance plate etc., have formed BLU 100 thus.
At this moment, in order to make fastening process automation and simplification, carry out fastening process by a unidirectional method of attachment, described unidirectional method of attachment is by being press fitted into pin 130 among the described PCB or being fixed to described PCB, and is press fitted into Y-connection 140 in the power supply 150 or is fixed to power supply 150 and realize.
As shown in Figure 5, lamp 110 is by in place and the PCB 120 that provides among the BLU 100 is provided, and pin 130 is fixed to PCB 120 and outstanding from PCB 120.
At this moment, connector 140 is fixed to the power supply 150 such as balance plate.
Like this, pin 130 is press fitted in the connector 140 regularly.
Fig. 6 is the view that is used for connecting the state before being connected in the device of the lamp of BLU and power supply that shows Fig. 5; And Fig. 7 is the view that shows the state after being connected in the device of the lamp that is used for connecting BLU among Fig. 5 and power supply.
As shown in Figure 6, pin 130 and connector 140 are in the state that is separated from each other, and as shown in Figure 7, they are connected to each other.
Simultaneously, Fig. 4 shows an example to Fig. 7, and wherein, pin 130 is connected to the PCB 120 and the lamp 110 on top, and connector 140 is connected to the power supply 150 of bottom.
Yet on the contrary, pin 130 can be connected to the power supply 150 of bottom, and connector 140 can be connected to the PCB 120 and the lamp 110 on top.
In this way, according to the present invention, form predetermined pattern on PCB, and lamp is inserted and fixed to described pattern, therefore when a plurality of lamps were connected to power supply, described a plurality of lamps can be once just fastened.
As mentioned above, such advantage is arranged: for very main lamp in the LCD element group is connected to power supply, by on PCB, forming predetermined pattern and lamp being inserted and be fixed to this pattern, be used for connecting the lamp of BLU and the device of power supply makes that described a plurality of lamps can be once just fastened when a plurality of lamps are connected to power supply according to of the present invention.
In addition, thus the present invention has the advantage that the number that can reduce parts in making the process of BLU reduces production costs.
In addition, the present invention has assembling process and simplifies, and make and can reduce required time in the production, thus the advantage of enhancing productivity.
In addition, such advantage is arranged: according to the present invention, in the process of making back of the body lamp, the lamp assembling process is able to automation, and thus, production efficiency can maximize.
Scope of the present invention is not limited to above description and illustrated embodiment, but is limited by claims.To be apparent that, those skilled in the art can be in the scope of the present invention that is defined by the claims modifications and variations of the present invention are.Therefore, true scope of the present invention should be limited by the technical spirit of claims.
Claims (6)
1. one kind is used for connecting the lamp of back light unit (BLU) and the device of power supply, comprising:
Lamp is as the light source of the BLU in the LCD (LCD);
Printed circuit board (PCB) (PCB) is used to control the light emission of described lamp, and described PCB has the predetermined pattern that forms thereon;
Power supply is used to supply power to described lamp, and described power supply has the predetermined pattern that forms thereon;
Pin inserts and is fixed to the described predetermined pattern that forms on described PCB, so that be connected to described lamp; And
Connector inserts and is fixed on the described predetermined pattern that forms on the described power supply, so that be connected to described power supply, described connector is press-fitted regularly around described pin.
2. device as claimed in claim 1, wherein, described power supply comprises at least one in inverter and the balance plate.
3. one kind is used for connecting the lamp of BLU and the device of power supply, comprising:
Lamp is as the light source of the BLU among the LCD;
PCB is used to control the light emission of described lamp, and described PCB has the predetermined pattern that forms thereon;
Power supply is used to supply power to described lamp, and described power supply has the predetermined pattern that forms thereon;
Pin inserts and is fixed to the described predetermined pattern that forms on described power supply; And
Connector inserts and is fixed to the described predetermined pattern that forms on described PCB, so that be connected to described lamp, described connector is press-fitted regularly around described pin.
4. device as claimed in claim 3, wherein, described power supply comprises at least one in inverter and the balance plate.
5. as the described device of any one claim in the claim 1 to 4, wherein, described connector comprises the hole, and described pin is press fitted into described hole regularly.
6. device as claimed in claim 5, wherein, described hole is Y shape hole.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060052686 | 2006-06-12 | ||
| KR1020060052686A KR100772591B1 (en) | 2006-06-12 | 2006-06-12 | Apparatus for connection between lamp and power supply in back light unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101089453A true CN101089453A (en) | 2007-12-19 |
Family
ID=38942907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101111092A Pending CN101089453A (en) | 2006-06-12 | 2007-06-11 | Device for connecting lamp with power supply in backlight unit |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100772591B1 (en) |
| CN (1) | CN101089453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954373A (en) * | 2019-10-29 | 2020-11-17 | 新华三技术有限公司 | Circuit board assembly and electronic device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101023994B1 (en) | 2008-08-28 | 2011-03-28 | 한국생산기술연구원 | Connector for Digital Band, Receptacle and Connector Assembly |
| WO2012091200A1 (en) * | 2010-12-30 | 2012-07-05 | 한국생산기술연구원 | Connector for digital band |
| CN103747615B (en) * | 2013-12-13 | 2017-07-07 | 华为技术有限公司 | Power module structure and the electronic equipment with the power module structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07191311A (en) * | 1993-12-27 | 1995-07-28 | Kokusai Electric Co Ltd | Backlight device for liquid crystal unit |
| KR100304256B1 (en) * | 1998-08-26 | 2002-07-18 | 윤종용 | Display Module of LCD and Assembly Method |
| KR100493386B1 (en) * | 2002-12-18 | 2005-06-07 | 엘지.필립스 엘시디 주식회사 | Back light unit |
| KR100962637B1 (en) * | 2003-09-18 | 2010-06-11 | 삼성전자주식회사 | Backlight assembly and liquid crystal display apparatus having the same |
| KR20050113419A (en) * | 2004-05-28 | 2005-12-02 | 엘지.필립스 엘시디 주식회사 | Lcd back light assembly |
-
2006
- 2006-06-12 KR KR1020060052686A patent/KR100772591B1/en not_active IP Right Cessation
-
2007
- 2007-06-11 CN CNA2007101111092A patent/CN101089453A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111954373A (en) * | 2019-10-29 | 2020-11-17 | 新华三技术有限公司 | Circuit board assembly and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100772591B1 (en) | 2007-11-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |