CN102878450B - Light-emitting device - Google Patents

Light-emitting device Download PDF

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Publication number
CN102878450B
CN102878450B CN201210277151.2A CN201210277151A CN102878450B CN 102878450 B CN102878450 B CN 102878450B CN 201210277151 A CN201210277151 A CN 201210277151A CN 102878450 B CN102878450 B CN 102878450B
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China
Prior art keywords
light
emitting device
substrate
emitting
lamp bar
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CN201210277151.2A
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Chinese (zh)
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CN102878450A (en
Inventor
李春娥
陈俊光
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Da Liang Electronics (suzhou) Co Ltd
Lextar Electronics Corp
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Da Liang Electronics (suzhou) Co Ltd
Lextar Electronics Corp
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Application filed by Da Liang Electronics (suzhou) Co Ltd, Lextar Electronics Corp filed Critical Da Liang Electronics (suzhou) Co Ltd
Priority to CN201210277151.2A priority Critical patent/CN102878450B/en
Priority to TW101139486A priority patent/TWI578570B/en
Publication of CN102878450A publication Critical patent/CN102878450A/en
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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention relates to a light-emitting device, which comprises a substrate, strip-shaped light-emitting units, a plurality of light-emitting wafers and gel, wherein the strip-shaped light-emitting units surround the substrate to form accommodating space; the light-emitting wafers are arranged in the accommodating space and are electrically connected with the substrate; and the gel is filled in the accommodating space and is used for packaging the light-emitting wafers. The light-emitting device can emit light by using the light-emitting wafers and light-emitting elements on the peripheries of the light-emitting wafers, so that the whole light-emitting device can emit light at a plurality of angles simultaneously and is uniform in light-emitting brightness, and a high-brightness light-emitting effect can be achieved.

Description

Light-emitting device
Technical field
The present invention about a kind of light-emitting device, and relates to the light-emitting device of a kind of tool extensive angle luminescence especially.
Background technology
Along with the development of lighting, various lighting apparatus is applied in daily life in large quantities.At present, along with the development of light-emittingdiode (Light Emitting Diode, LED), light-emittingdiode also little by little uses and is used as light source in the illumination device.Due to, light-emittingdiode have that volume is little, low power consumption, low temperature and the characteristic such as the life-span is long, utilize the conventional tungsten bulb that light-emittingdiode institute alternative functions is close gradually.
The essential structure of general light-emitting component, conducting end and the supporting part of opposed polarity is provided with in the inside of a transparent encapsulating body, its supporting part place is installed with wafer, separately be provided with conductor and form the electrode layer of wafer and the connection of conducting end, and each conducting end extend transparent enclosure colloid outside and become power supply contact.Under the energization action of conducting end, the light source that its wafer produces forms illumination effect.
But, if when making light-emitting device have more multidirectional lighting angle at present, certainly will need to make light-emitting component have the space of larger divergent light source in design lamps mode.But, utilize divergent light source to make light-emitting device have the luminescence of multi-angle, the problem of the center brightness deficiency of light-emitting device can be caused.In addition, light that multi-angle exhales also has the problem of luminance shortage to utilize above-mentioned form to carry out.
Summary of the invention
Because the problem that prior art causes, the invention provides the problem that a kind of light-emitting device causes to overcome prior art.
According to an embodiment of the present invention, a kind of light-emitting device comprises substrate, string light unit, luminescent wafer and colloid.String light unit on substrate around formation accommodation space.Several luminescent wafer is arranged in accommodation space.Luminescent wafer is connected with electrical property of substrate.Colloid is filled in accommodation space in order to encapsulate those luminescent wafers.
In an embodiment of the present invention, string light unit can be made up of single lamp bar or the connection of several lamp bar.
In an embodiment of the present invention, the bottom of each lamp bar all has fastener, and this substrate is provided with holding section at fastener corresponding to substrate part, engages mutually, and each lamp bar is fixed on substrate by fastener with holding section.
In an embodiment of the present invention, an end of each lamp bar has shackle member and the other end of this end has Access Division relatively, and shackle member can engage each other with Access Division.
In an embodiment of the present invention, this string light unit comprises at least one light-emitting component.
In an embodiment of the present invention, light-emitting component is solid semiconductor illuminating element.
In an embodiment of the present invention, light-emitting component is light-emittingdiode.
In an embodiment of the present invention, each string light unit has terminal or connector in order to be electrically connected substrate.
In an embodiment of the present invention, the normal of the exiting surface normal of string light unit and the end face of accommodation space is orthogonal.
In an embodiment of the present invention, colloid is for containing fluorescent powder colloid.
Application the present invention has following advantages.After light-emitting device of the present invention can utilize luminescent wafer luminescence, the additional light-emitting component luminescence being centered around luminescent wafer periphery, and then reach the luminescence that light-emitting device entirety has multiple angle simultaneously.In addition, the center brightness when luminescent wafer of light-emitting device is luminous can not be lost because multi-angle is luminous.Therefore, entirety can be made to have multi-angle luminescence for light-emitting device of the present invention and luminosity is average, and then can reach the luminescence of high brightness.
Can be further understood by following detailed Description Of The Invention and institute's accompanying drawings about the advantages and spirit of the present invention.
Accompanying drawing explanation
Fig. 1 system illustrates the stereogram of a kind of light-emitting device according to an embodiment of the present invention.
Fig. 2 system illustrates light-emitting device according to Fig. 1 along the sectional view of hatching 2-2 '.
Fig. 3 system light-emitting device illustrated according to Fig. 1 removes the stereogram of string light unit and colloid.
Fig. 4 system illustrates the stereogram of the lamp bar of a kind of light-emitting device according to an embodiment of the present invention.
Fig. 5 system illustrates the stereogram of the lamp bar of a kind of light-emitting device according to another embodiment of the present invention.
Detailed description of the invention
Below will with graphic and describe spirit of the present invention in detail, have in any art and usually know that the knowledgeable is after understanding preferred embodiment of the present invention, when being changed by the technology of teachings of the present invention and being modified, it does not depart from spirit of the present invention and scope.
Referring to Fig. 1 and Fig. 2, Fig. 1 system illustrates the stereogram of a kind of light-emitting device 100 according to an embodiment of the present invention, and Fig. 2 system illustrates light-emitting device 100 according to Fig. 1 along the sectional view of hatching 2-2 '.As shown in Figures 1 and 2, light-emitting device 100 is made up of substrate 110, string light unit 120, luminescent wafer 130 and colloid 140.String light unit 120 is be substrate 110 connects around by several lamp bar 122 and form.String light unit 120 forms an accommodation space 101, colloid 140 can be made to be filled in accommodation space 101 and can not leak.In addition, several luminescent wafer 130 is set in accommodation space 101.Luminescent wafer 130 and substrate 110 are electrically connected and can launch light source.Colloid 140 is filled in accommodation space 101 to encapsulate those luminescent wafers 130.In the present embodiment, colloid 140, for containing fluorescent powder colloid 140, when the light source that luminescent wafer 130 produces passes the colloid 140 containing fluorescent material, excites through fluorescent material after the original light wavelength transmitting of light source and produces the optical wavelength of specific colourity.In other embodiments, colloid 140 also can be transparent colloid, only the simple packing colloid used as encapsulating light emitting wafer.
But the string light unit 120 of the present embodiment is made up of several lamp bar 122.Wherein, the bottom of each lamp bar 122 all has fastener 122a.In addition, holding section 112 is provided with in substrate 110 place corresponding to the fastener 122a.Therefore, engage mutually with holding section 112 by fastener 122a, each lamp bar 122 of string light unit 120 is fixed on substrate 110.In addition, an end of each lamp bar 122 has shackle member 122b, and the other end has Access Division 122c relatively.The shackle member 122b of each lamp bar 122 can engage each other with the Access Division 122c of adjacent lamps bar 122.Therefore, utilize the mutually clamping and form an accommodation space 101 of several lamp bar 122, can accommodating luminescent wafer 130 and insert colloid 140 in the inner.In the present embodiment, string light unit 120 is connected by several lamp bar 122 formed.In other embodiments, string light unit also can be bent by single lamp bar and be formed (not being illustrated in drawing).
In addition, each string light unit 120 can comprise at least one light-emitting component 124.And in the present embodiment, each set lamp bar 122 is provided with a light-emitting component 124.But string light unit 120 is fixed on substrate 110 and after being electrically connected with substrate 110, light-emitting component 124 can launch light because of energising, outside this accommodation space 101 of the light directive that this string light unit 120 sends.In the present embodiment, light-emitting component 124 can be solid semiconductor illuminating element.For example, light-emitting component 124 can be light-emittingdiode.In addition in other embodiments, light-emitting component 124 also can be the monomer that other can be luminous.
Therefore, utilize several luminescent wafers 130 that substrate 110 is arranged luminous, light can be sent from the end face of accommodation space 101.In addition, form the light-emitting component 124 that the string light unit 120 of accommodation space 101 is arranged, the ambient side of accommodation space 101 can be made to make light-emitting device 100 entirety have the luminescence of multi-angle to divergently luminous, to increase overall illuminance.In the present embodiment, the normal 130a of the exiting surface normal 124a of string light unit 120 and the end face of accommodation space 101 is orthogonal.In other embodiments, the normal 130a of the exiting surface normal 124a of string light unit 120 and the end face of accommodation space 101 also can keep non-perpendicular special angle.
Please refer to Fig. 3, its light-emitting device 100 illustrated according to Fig. 1 removes the stereogram of string light unit and colloid.As shown in Figure 3, several luminescent wafer 130 to be arranged on substrate 110 and to be electrically connected with substrate 110.Luminescent wafer 130 can reach transmitting illuminant and the effect of throwing light on after being electrically connected with substrate 110.In the present embodiment, the luminescent wafer 130 used is that luminescent wafer 130 is fixed on substrate 110 by the mode directly encapsulating (Chip On Board, COB) with wafer.In other embodiments, luminescent wafer 130 also can other connected modes and substrate 110 be electrically connected.In addition, in certain embodiments, the surface that substrate 110 carries luminescent wafer 130 also can be coated with reflectorized material.For example, the surface of substrate 110 can be coated with the light that the silver of one deck tool mirror effect or aluminium can make Refl-Luminous wafer 130 exhale, and strengthens the intensity of light source of launching from the end face of accommodation space 101 (please refer to Fig. 1).
Please refer to Fig. 4, it illustrates the stereogram of the lamp bar 122 of a kind of light-emitting device 100 according to an embodiment of the present invention.As shown in Figure 4, after lamp bar 122 can utilize the holding section 112 (please refer to Fig. 2) of fastener 122a and substrate 110 to be fixed, terminal 126 further by lamp bar 122 is electrically connected substrate 110, makes light-emitting component 124 can be luminous by terminal 126 is energized.In the present embodiment, the terminal 126 of lamp bar 122 is blade terminals 126.In other embodiments, terminal 126 can be the terminal 126 of other shapes.
In certain embodiments, single lamp bar 122 makes with bent elastomeric material.Therefore, after single lamp bar 122 can be utilized to be bent into the string light unit of a polygon or circle, the initial two ends via single lamp bar 122 are connected to each other fixing and form an accommodation space, and arrange luminescent wafer in accommodation space.And in other embodiments, string light unit 120 also can utilize several lamp bar 122 to be connected to form.
Please refer to Fig. 5, it illustrates the stereogram of the lamp bar 122 ' of a kind of light-emitting device 100 according to another embodiment of the present invention.As shown in Figure 5, after lamp bar 122 ' can utilize connector 128 and substrate 110 to be electrically connected, make light-emitting component 124 luminous.
In certain embodiments, the lamp bar 122 ' described in several Fig. 5 can be used to combine to form a string light unit mutually.Wherein, each lamp bar 122 ' one end has shackle member 122b and the other end has Access Division 122c relatively, and the shackle member 122b of each lamp bar 122 ' can engage each other with the Access Division 122c of adjacent lamps bar 122 '.
From the invention described above embodiment, application the present invention has following advantages.After light-emitting device of the present invention can utilize luminescent wafer luminescence, the additional light-emitting component luminescence being centered around luminescent wafer periphery, and then reach the luminescence that light-emitting device entirety has multiple angle simultaneously.In addition, the center brightness when luminescent wafer of light-emitting device is luminous can not be lost because multi-angle is luminous.Therefore, entirety can be made to have multi-angle luminescence for light-emitting device of the present invention and luminosity is average, and then can reach the luminescence of high brightness.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, anyly have the knack of this those skilled in the art, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, therefore protection scope of the present invention is when being as the criterion depending on the right person of defining.

Claims (9)

1. a light-emitting device, is characterized in that comprising:
Substrate;
String light unit, around formation one accommodation space on this substrate, outside this accommodation space of light directive that this string light unit is launched, the normal of the exiting surface normal of this string light unit and the end face of this accommodation space is orthogonal;
A plurality of luminescent wafer, be arranged in this accommodation space, those luminescent wafers are connected with this electrical property of substrate; And
Colloid, is filled in this accommodation space, in order to encapsulate those luminescent wafers.
2. light-emitting device according to claim 1, is characterized in that: this string light unit can be made up of single lamp bar or the connection of a plurality of lamp bar.
3. light-emitting device according to claim 2, it is characterized in that: the bottom of each this lamp bar all has fastener, and this substrate is provided with holding section at this fastener corresponding to this substrate part, engage mutually with this holding section by this fastener, and each this lamp bar is fixed on the substrate.
4. light-emitting device according to claim 3, is characterized in that: an end of each this lamp bar has shackle member and the other end of this end has Access Division relatively, and this shackle member can engage each other with this Access Division.
5. light-emitting device according to claim 1, is characterized in that: this string light unit comprises at least one light-emitting component.
6. light-emitting device according to claim 5, is characterized in that: this light-emitting component is solid semiconductor illuminating element.
7. light-emitting device according to claim 6, is characterized in that: this light-emitting component is light-emittingdiode.
8. light-emitting device according to claim 7, is characterized in that: each this string light unit has terminal or connector, in order to be electrically connected this substrate.
9. the light-emitting device according to any one of claim 1 ~ 8, is characterized in that: this colloid is for containing fluorescent powder colloid.
CN201210277151.2A 2012-08-06 2012-08-06 Light-emitting device Active CN102878450B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210277151.2A CN102878450B (en) 2012-08-06 2012-08-06 Light-emitting device
TW101139486A TWI578570B (en) 2012-08-06 2012-10-25 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210277151.2A CN102878450B (en) 2012-08-06 2012-08-06 Light-emitting device

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CN102878450B true CN102878450B (en) 2015-01-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106895272A (en) * 2016-12-31 2017-06-27 新昌县迪斯曼科技有限公司 Use the light-emitting device of organic compound
CN108122899A (en) * 2017-12-25 2018-06-05 南昌易美光电科技有限公司 Thin-film LED cascaded structure and series connection method

Citations (6)

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Publication number Priority date Publication date Assignee Title
CN2934883Y (en) * 2006-06-28 2007-08-15 王业彬 Multiple color LED alarm lamp for personal safety
CN201377700Y (en) * 2009-04-10 2010-01-06 杨人代 LED module lamp
CN101676617A (en) * 2008-09-19 2010-03-24 广州赛福节能科技发展有限公司 Environment-friendly and energy-efficient LED lamp holder unit and lamp holder formed by same
CN202216144U (en) * 2011-07-27 2012-05-09 戴佩裕 Light-emitting diode (LED) automobile foglight
CN202252975U (en) * 2011-08-29 2012-05-30 佛山市顺德区威德利照明有限公司 Efficient energy-saving LED (light emitting diode) lamp
CN202259297U (en) * 2011-09-30 2012-05-30 深圳市灏天光电有限公司 White light emitting diode (LED) integrated encapsulation structure with high color rendering index

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8455888B2 (en) * 2010-05-20 2013-06-04 Industrial Technology Research Institute Light emitting diode module, and light emitting diode lamp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2934883Y (en) * 2006-06-28 2007-08-15 王业彬 Multiple color LED alarm lamp for personal safety
CN101676617A (en) * 2008-09-19 2010-03-24 广州赛福节能科技发展有限公司 Environment-friendly and energy-efficient LED lamp holder unit and lamp holder formed by same
CN201377700Y (en) * 2009-04-10 2010-01-06 杨人代 LED module lamp
CN202216144U (en) * 2011-07-27 2012-05-09 戴佩裕 Light-emitting diode (LED) automobile foglight
CN202252975U (en) * 2011-08-29 2012-05-30 佛山市顺德区威德利照明有限公司 Efficient energy-saving LED (light emitting diode) lamp
CN202259297U (en) * 2011-09-30 2012-05-30 深圳市灏天光电有限公司 White light emitting diode (LED) integrated encapsulation structure with high color rendering index

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CN102878450A (en) 2013-01-16
TWI578570B (en) 2017-04-11

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