CN102777810A - Light-emitting device and backlight lamp strip - Google Patents

Light-emitting device and backlight lamp strip Download PDF

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Publication number
CN102777810A
CN102777810A CN2011101228914A CN201110122891A CN102777810A CN 102777810 A CN102777810 A CN 102777810A CN 2011101228914 A CN2011101228914 A CN 2011101228914A CN 201110122891 A CN201110122891 A CN 201110122891A CN 102777810 A CN102777810 A CN 102777810A
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China
Prior art keywords
light
lead
emitting device
framework
light emitting
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CN2011101228914A
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Chinese (zh)
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CN102777810B (en
Inventor
何源源
何玉宝
冯耀军
罗亚斌
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Osram GmbH
Optoelectronics Co Ltd
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Osram Co Ltd
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Priority to CN201110122891.4A priority Critical patent/CN102777810B/en
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  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The invention relates to a light-emitting device, which comprises a plurality of light-emitting modules (1) and conducting wires (2) which are used for electrically connecting the light-emitting modules (1) together. Each light-emitting module (1) has a working state and an adjusting state relative to the conducting wires (2). In the working state, the light-emitting modules (1) are fixedly arranged on the conducting wires (2) and are electrically connected with the conducting wires (2). In the adjusting state, the light-emitting modules (1) are electrically separated from the conducting wires (2) and can slide relative to the conducting wires (2). Besides, the invention additionally provides a backlight lamp strip consisting of the light-emitting device. The light-emitting device provided by the invention not only realizes the goal that a user can freely and flexibly move the light-emitting modules on the conducting wires, but also realizes the goal of saving the conducting wires.

Description

Light-emitting device and backlight lamp bar
Technical field
The present invention relates to a kind of light-emitting device and the backlight lamp bar that comprises this light-emitting device.
Background technology
In current backlight lighting device, use lower powered backlight lamp bar usually.On such backlight lamp bar, a plurality of led modules are cascaded through lead, such light-emitting device of forming shown in accompanying drawing 1, and therefore constitute the backlight lamp bar.Generally, a large amount of led modules distance to each other are fixedly mounted on the lead, and can not move.Such backlight lighting device is used in the indoor and outdoor decorative environment more, so the user usually hopes the length of regulating the backlight lamp bar according to self wish or environmental condition.In the prior art usually to the intercepting piecemeal of sufficiently long backlight lamp bar, so that obtain good adaptability.But the problem that wherein exists is that the led module spacing in the predetermined length is immutable, and then causes the brightness in the preset range immutable.This has influenced illuminating effect greatly.Another disadvantage is that this fixing cascaded structure can't be avoided ground electricity wasting lead, causes cost to increase.
Summary of the invention
Therefore, the objective of the invention is to propose a kind of novel light-emitting device and a kind of backlight lamp bar that comprises this light-emitting device.Under the situation that can realize normal illumination, can and advantageously practice thrift conductor length with the closeness of light emitting module in user's the wish adjustment light-emitting device, according to this light-emitting device of the present invention and backlight lamp bar so that reduce cost.
The object of the invention is realized by a kind of light-emitting device; The multiple conducting wires that this light-emitting device comprises a plurality of light emitting modules and is used for a plurality of light emitting modules are electrically connected is characterized in that, each light emitting module has duty and adjustment state; In working order; Light emitting module is fixed on the lead and with lead and is electrically connected, and at the adjustment state, each light emitting module separates with the lead electricity and with respect to lead slidably.Usually the user can at first move the light emitting module that also is not electrically connected on lead, adjusts to desired position (promptly adjusting state), then this light emitting module is fixed on this position, and and then makes its electrical connection (being duty).
According to a preferred version of the present invention; Light emitting module comprises first and the second portion that is engaged with each other together; First is used for illumination; Second portion supplies lead to pass, first and second portion can be away from each other to enter into the adjustment state perhaps near to enter into duty.First and second portion can relative motions but are inseparable.In the adjustment state, there are variable space in first and second portion on the direction perpendicular to lead; Through with these two parts each other near getting into duty from the adjustment state, thereby in working order, even form each other against structure.
According to preferred design of the present invention, first is provided with electrical connector, and this electrical connector is set to be electrically connected with lead in working order and is fixed on the lead simultaneously, thereby makes first and second portion with respect to lead fixed.In other words, electrical connector can be realized the effect of " dual-purpose " at this, promptly can have the function of electrical connection on the one hand, has fixing function on the other hand.
According to preferred design of the present invention; First comprises: can have lensing lamp housing, be arranged on pcb board in the lamp housing, be arranged on the illuminator towards lamp housing one side of pcb board, this electrical connector is set to be installed in the stitch that deviates from lamp housing one side of pcb board.Because the state of light emitting module changes; Make the relative position between first and the second portion also change thereupon; In first, being installed in pcb board deviates from lamp housing one side, is that stitch on the bottom surface stretches into second portion in working order the time; Insertion is passed in the lead of second portion then, forms thus between pcb board and the lead reliably to electrically contact.
According to preferred design of the present invention, in second portion, be provided with two grooves of opening vertically upward, the lead that these two grooves are used for holding and clamping is movably therefrom passed, groove is being opened towards a side of first.
According to a preferred design of the present invention; First also comprise be used for second portion in working order with the framework of adjustment state to engage in various degree; On framework, be provided with first perforation that supplies stitch to pass; Framework and pcb board keep a determining deviation ground that the space that holds the anchor portion of stitch with formation is set in a side that deviates from lamp housing.So-called " to engage in various degree " refers to according to different conditions and realizes different degree of engagement.
Propose according to the present invention, the inboard of the sidewall of framework is provided with at least two pairs first locking pieces spaced apart on the direction perpendicular to lead, and the arranged outside of second portion has at least two pairs second locking pieces of corresponding setting with first locking piece.
Preferably, first locking piece is draw-in groove or grab, and second locking piece is grab or draw-in groove.Through draw-in groove spaced apart on direction and trip perpendicular to lead; Guarantee that first and second portion move to duty or adjustment state on the direction perpendicular to lead; The fixed form of draw-in groove and trip combination simultaneously provides enough engaging forces, guarantees that driving first at the adjustment state through second portion moves together.
According to a preferred design of the present invention, first and framework are integrally formed, and pcb board is preset at wherein, and this has reduced manufacture difficulty to a great extent, has reduced manufacturing cost.
Another purpose of the present invention is to propose a kind of backlight lamp bar that is made up of light-emitting device.Light emitting module can be one another in series through lead and couple together, and constitutes the backlight lamp bar.Such backlight lamp bar can have structurally variable property flexibly, can utilize short as far as possible lead to connect required light emitting module simultaneously.
Should be appreciated that above generality is described and following detailed description is all enumerated and illustrative, purpose is in order to the present invention who requires to protect further explanation to be provided.
Description of drawings
Accompanying drawing constitutes the part of this specification, is used to help further understand the present invention.These accompanying drawing diagrams embodiments of the invention, and be used for explaining principle of the present invention with specification.Identical in the accompanying drawings parts are represented with identical label.Shown in the figure:
Fig. 1 is the sketch map of light-emitting device of the prior art;
Fig. 2 is the sketch map according to light-emitting device of the present invention;
Fig. 3 a is at the sketch map of adjustment during state according to single light emitting module in the light-emitting device of the present invention;
Fig. 3 b is at the sectional view of adjustment during state according to single light emitting module in the light-emitting device of the present invention;
Fig. 4 a is the sketch map in working order the time according to single light emitting module in the light-emitting device of the present invention;
Fig. 4 b is the sectional view in working order the time according to single light emitting module in the light-emitting device of the present invention;
Fig. 5 is the perspective, cut-away view in working order the time according to single light emitting module in the light-emitting device of the present invention.
The specific embodiment
Fig. 2 is the sketch map according to light-emitting device of the present invention.This light-emitting device by a plurality of for example be led module 1 light emitting module and Duo Gen, be preferably two leads 2 and form.According to the present invention, the single light emitting module that these electricity are connected on the lead has adjustable to each other spacing d.Can be used as the adjustable backlight lamp bar of light emitting module spacing according to this light-emitting device of the present invention.
Fig. 3 a is at the sketch map of adjustment during state according to single light emitting module in the light-emitting device of the present invention.Wherein led module 1 utilizes the second portion 3 of its underpart to be installed on the lead 2, and lead 2 passes and is preset in the perforation of second on second portion 3 outer surfaces 14.
Fig. 3 b according to single light emitting module in the light-emitting device of the present invention at the sectional view of adjustment during state.The first 4 of the light emitting module shown in Fig. 3 b comprises: can have lens function lamp housing 5, pcb board 6, be installed in the illuminator 7 on the pcb board 6, the stitch 9 that deviates from lamp housing 5 one sides and framework 8 towards lamp housing 5.For example the illuminator 7 of LED can be connected electrically on the pcb board 6 through the mode of for example welding or bonding with stitch 9, so that make LED luminous through stitch 9 conductions under certain condition.The effect of framework 8 is to support pcb board 6 on the one hand, and for the setting of stitch 9 provides enough structure spaces, wherein second portion 3 is stretched in first perforation 10 of passing framework 8 of the tip of stitch 9; On the other hand, two sidewalls 11 of framework 8 bottoms as holder and second portion 3 inseparably selectivity engage.For this reason; On the medial surface of two sidewalls 11 of framework 8 bottoms respectively on perpendicular to the direction of lead 2 compartment of terrain be provided with at least two pairs of draw-in grooves 12; Correspondingly, in the outside of second portion 3, promptly with on the side that the sidewall 11 of framework 8 contacts be provided with at least two pairs of trips corresponding 13 with draw-in groove.
At this, can preferably in second portion 3, be provided with groove a towards first's opening, b, these two grooves are used for holding the lead 2 that therefrom passes, and the next door of groove can constitute clamp structure, the position that is used for keeping lead 2 with the outer wall of second portion 3.Second portion 3, to groove a, b plays on the front and back of sealing process respectively the position of corresponding lead 2 and has preset second perforation 14.
In the adjustment state that illustrates in the drawings; Second portion 3 optionally only utilizes sidewall 11 inboard aspects that a pair of trip 13 of the top of its side stretches into framework 8 in the most a pair of draw-in groove 12 of below; Form firm snap engagement thus, guarantee that first and second portion can not be separated from one another.Specifically; When this state, the distance of framework 8 between the end face of the bottom surface of second portion 3 and second portion 3 keeps bigger, promptly first 4 and second portion 3 each other on perpendicular to the direction of lead 2 away to enter into the adjustment state; The groove a of second portion 4 is not stretched at the tip of stitch 9 at this moment; Among the b or part stretch into groove a, among the b but also do not touch lead 2, therefore realize mechanical separation and electric the separation with lead 2.Simultaneously, second portion utilizes on its outer surface with second perforation 14 of lead 2 form fit and (a) can realize and first 4 adjustable ground slip on lead 2 integratedly referring to Fig. 3.Because this moment, the tip of stitch 9 did not electrically contact lead 2, so first 4 is in off-position, can not realize illumination.
Lamp housing 5 can be assembled together to form fit with framework 8, perhaps preferably constitutes with the mode of one, and wherein pcb board 6 is installed between lamp housing 5 and the framework 8 in advance.
Fig. 4 a is the sketch map in working order the time according to single light emitting module in the light-emitting device of the present invention.Can clearly be seen that thus,, framework 8 bottoms of second portion 3 and first 4 are combined with flushing through the first 4 of light emitting module 1 is pushed with second portion 3 relatively.
Fig. 4 b is the sectional view in working order the time according to single light emitting module in the light-emitting device of the present invention.In this state, the stitch 9 in the first 4 stretches into groove a, among the b, and inserts in the lead 2.Simultaneously the draw-in groove 12 on the inboard of framework 8 sidewalls 11 optionally respectively with second portion 3 outsides on trip 13 snap together correspondingly so that the end face that makes second portion 3 near framework 8 corresponding bottom surfaces to enter into duty.In working order, stitch 9 electrically contacts with lead 2, thereby can enough electric energy be provided for pcb board 6 and illuminator 7 mounted thereto, makes LED be in luminance.Because stitch 9 part at least inserts in the lead 2, has formed a kind of connection with fixation, so second portion 3 no longer can move on lead with first 4.
In Fig. 5, be clearly shown that the stereochemical structure when single light emitting module in working order.Stitch 9 stretches into groove a, electrically contacts among the b and with the lead 2 that is positioned at wherein, forms a fixed connection simultaneously.
Preferably, the tip of stitch 9 is enough thin, so that when inserting lead 2, only on its outside insulating barrier, stay less pin hole, based on this reason, can not destroy the insulation characterisitic of wire insulation basically.Certainly should reduce the insertion position of repeating to adjust stitch 9 in the same area on lead 2 as far as possible.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All any modifications of within spirit of the present invention and principle, being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Reference numeral
1 light emitting module/led module
2 leads
3 second parts
4 first parts
5 (can have lensing) lamp housing
6 pcb boards
7 illuminators
8 frameworks
9 electrical connectors/stitch
10 first perforation
The sidewall of 11 frameworks
12 draw-in grooves
13 trips
14 second perforation
The a groove
The b groove

Claims (10)

1. light-emitting device; The multiple conducting wires (2) that comprises a plurality of light emitting modules (1) and be used for a plurality of light emitting modules (1) are electrically connected is characterized in that each light emitting module (1) has duty and adjustment state; In said duty; Said light emitting module (1) is fixed on that said lead (2) is gone up and is electrically connected with said lead (2), and at said adjustment state, each light emitting module (1) and said lead (2) be electric to be separated and with respect to said lead (2) slidably.
2. light-emitting device according to claim 1; It is characterized in that; Said light emitting module (1) comprises first (4) and the second portion (3) that is engaged with each other together; Said first (4) is used for illumination, and said second portion (3) supplies said lead (2) to pass, said first (4) and second portion (3) can be away from each other to enter into said adjustment state perhaps near to enter into said duty.
3. light-emitting device according to claim 2; It is characterized in that; Said first (4) is provided with electrical connector (9); Said electrical connector (9) is set to be electrically connected with said lead (2) and be fixed on simultaneously on the said lead (2) in said duty, thereby makes first (4) and second portion (3) fixing with respect to said lead (2).
4. light-emitting device according to claim 3; It is characterized in that; Said first (4) comprising: lamp housing (5), be arranged on pcb board (6) in the said lamp housing (5), be arranged on the illuminator (7) towards said lamp housing (5) one sides of said pcb board (6), said electrical connector (9) is set to be installed in the stitch (9) of said lamp housing (5) one sides of deviating from of said pcb board (6).
5. light-emitting device according to claim 4; It is characterized in that; Said first (4) also comprise be used for said second portion (3) at said duty and the framework (8) of adjustment state to engage in various degree; On said framework (8), be provided with first perforation (10) that supplies said stitch (9) to pass, said framework (8) keeps a determining deviation ground that the space that holds the anchor portion of said stitch (9) with formation is set with said pcb board (6) in a side that deviates from said lamp housing (5).
6. light-emitting device according to claim 5; It is characterized in that; The inboard of the sidewall (11) of said framework (8) is provided with at least two pairs first locking pieces (12) spaced apart on the direction perpendicular to said lead (2), and the arranged outside of said second portion (3) has at least two pairs second locking pieces (13) of corresponding setting with said first locking piece (12).
7. light-emitting device according to claim 6 is characterized in that, said first locking piece (12) is draw-in groove or grab, and said second locking piece (13) is grab or draw-in groove.
8. light-emitting device according to claim 5 is characterized in that, said first (4) is integrally formed with said framework (8).
9. light-emitting device according to claim 2 is characterized in that, in said second portion (3), be provided with hold and the groove of the said lead of clamping movably (2) (a, b), said groove is being opened towards a side of said first (4).
10. a backlight lamp bar is characterized in that, said backlight lamp bar comprises according to each described light-emitting device in the claim 1 to 9.
CN201110122891.4A 2011-05-12 2011-05-12 Light-emitting device and backlight light bar Active CN102777810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110122891.4A CN102777810B (en) 2011-05-12 2011-05-12 Light-emitting device and backlight light bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110122891.4A CN102777810B (en) 2011-05-12 2011-05-12 Light-emitting device and backlight light bar

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CN102777810A true CN102777810A (en) 2012-11-14
CN102777810B CN102777810B (en) 2016-04-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104033854A (en) * 2014-05-22 2014-09-10 北京半导体照明科技促进中心 Combined type lighting device and lighting unit and bearing unit for combined type lighting device
CN104712942A (en) * 2013-12-17 2015-06-17 廖旭文 Led lamp strip
CN106568012A (en) * 2016-11-03 2017-04-19 天台天宇光电科技有限公司 Double-parallel-wire Christmas lamp string structure and assembling method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5626419A (en) * 1993-09-27 1997-05-06 Lin; Mei M. Structure of Christmas light
US20040032742A1 (en) * 2002-08-15 2004-02-19 Dannatt Norbert H.W. Luminaire with articulated and expandable joints
CN200946789Y (en) * 2006-05-19 2007-09-12 深圳磊明科技有限公司 Quick mounting device for belt type light source
KR20080080030A (en) * 2007-02-28 2008-09-02 니치아 카가쿠 고교 가부시키가이샤 Light emitting device cable and light emitting device using the same
CN101853614A (en) * 2010-05-26 2010-10-06 北京中庆微数字设备开发有限公司 Flexible screen mounting structure and flexible LED display screen
CN201795358U (en) * 2010-07-13 2011-04-13 刘振朝 Independent branch parallel type LED linear lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5626419A (en) * 1993-09-27 1997-05-06 Lin; Mei M. Structure of Christmas light
US20040032742A1 (en) * 2002-08-15 2004-02-19 Dannatt Norbert H.W. Luminaire with articulated and expandable joints
CN200946789Y (en) * 2006-05-19 2007-09-12 深圳磊明科技有限公司 Quick mounting device for belt type light source
KR20080080030A (en) * 2007-02-28 2008-09-02 니치아 카가쿠 고교 가부시키가이샤 Light emitting device cable and light emitting device using the same
CN101853614A (en) * 2010-05-26 2010-10-06 北京中庆微数字设备开发有限公司 Flexible screen mounting structure and flexible LED display screen
CN201795358U (en) * 2010-07-13 2011-04-13 刘振朝 Independent branch parallel type LED linear lamp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104712942A (en) * 2013-12-17 2015-06-17 廖旭文 Led lamp strip
CN104033854A (en) * 2014-05-22 2014-09-10 北京半导体照明科技促进中心 Combined type lighting device and lighting unit and bearing unit for combined type lighting device
CN106568012A (en) * 2016-11-03 2017-04-19 天台天宇光电科技有限公司 Double-parallel-wire Christmas lamp string structure and assembling method thereof
CN106568012B (en) * 2016-11-03 2018-11-27 天台天宇光电股份有限公司 Double doubling Christmas light string structures and its assemble method

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Address after: Munich, Germany

Patentee after: OSRAM GmbH

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Effective date of registration: 20230417

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Patentee after: Optoelectronics Co.,Ltd.

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Patentee before: OSRAM GmbH