TW201441540A - Light emitting diode bulb - Google Patents

Light emitting diode bulb Download PDF

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TW201441540A
TW201441540A TW102114933A TW102114933A TW201441540A TW 201441540 A TW201441540 A TW 201441540A TW 102114933 A TW102114933 A TW 102114933A TW 102114933 A TW102114933 A TW 102114933A TW 201441540 A TW201441540 A TW 201441540A
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Taiwan
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light
lamp cover
emitting diode
circuit substrate
led
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TW102114933A
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Chinese (zh)
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TWI497014B (en
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Ming Ta Tsai
Ching Chung Chen
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Advanced Optoelectronic Tech
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Abstract

An light emitting diode(LED) bulb includes a lamp shade, a circuit board, a plurality of LEDs and a lamp holder. The circuit board includes a first surface and a second surface opposite to the first surface of the circuit board. The plurality of LEDs includes at least one first LED and at least one second LED, and each of first and second LEDs emits white light with different color temperatures. The at least one first LED is arranged on the first surface of the circuit board as a first light source. At least one second LED is arranged on the second surface of the circuit board as a second light source. The lamp shade covers the first and second light sources in order to adjust the light field distribution of the first and second light sources. The lamp holder contacts the lamp shade, and electrically connected with the circuit board and the plurality of LEDs. The LED bulb of present invention emits white light with different color temperatures, and has a wide viewing angle.

Description

發光二極體燈泡Light-emitting diode bulb

本發明涉及一種發光二極體燈泡。The invention relates to a light-emitting diode bulb.

LED燈泡以LED組件作為光源。然而,由於LED燈泡架構的限制,使得LED燈泡的出光角度小於180度,其照明範圍具有明顯的局域性,並且色溫單一,無法適用於特殊地區或應用場景的多樣化需求。LED bulbs use LED components as a light source. However, due to the limitation of the LED bulb architecture, the LED bulb has an exit angle of less than 180 degrees, and its illumination range has obvious locality, and the color temperature is single, which cannot be applied to the diverse needs of special regions or application scenarios.

本發明旨在提供一種發光二極體燈泡,其不僅能克服傳統LED燈泡出光光場角度小的缺點,而且可以發出具有兩種不同色溫的白光。The present invention aims to provide a light-emitting diode bulb which not only overcomes the disadvantage that the angle of the light field of the conventional LED bulb is small, but also emits white light having two different color temperatures.

一種發光二極體燈泡,包括燈罩、電路基板、LED組件和燈頭,電路基板為雙面電路基板並具有相對設定的第一面和第二面;LED組件包括第一LED組件和第二LED組件;所述第一、第二LED組件均發出白光且二者色溫不同;第一、第二LED組件分別裝載在雙面電路基板的第一面和第二面上以作為第一光源和第二光源;燈罩罩在第一、第二光源上以調節第一、第二光源的光場分散;燈頭與燈罩連接且通過電路基板和LED組件之間電連接。A light-emitting diode bulb includes a lamp cover, a circuit substrate, an LED assembly and a lamp base, the circuit substrate is a double-sided circuit substrate and has oppositely disposed first and second faces; and the LED assembly includes a first LED component and a second LED component The first and second LED components both emit white light and have different color temperatures; the first and second LED components are respectively mounted on the first side and the second side of the double-sided circuit substrate as the first light source and the second a light source; the lamp cover is disposed on the first and second light sources to adjust the light field dispersion of the first and second light sources; the lamp cap is connected to the lamp cover and electrically connected between the circuit substrate and the LED assembly.

本發明所提供的一種發光二極體燈泡,其雙面電路基板的兩面分別設定兩種白光的、不同色溫的LED組件,可以使得此發光二極體燈泡雙面電路基板兩側出光的色溫不同,並使得整體出光角度增加。此外,配合燈罩的使用,還可使得整個廣角LED燈泡的光場分散均勻。The light-emitting diode bulb provided by the invention has two kinds of white light and different color temperature LED components respectively disposed on both sides of the double-sided circuit substrate, so that the color temperature of the light emitted from the two sides of the double-sided circuit substrate of the light-emitting diode bulb is different. And make the overall light angle increase. In addition, with the use of the lampshade, the light field of the entire wide-angle LED bulb can be evenly dispersed.

10...發光二極體燈泡10. . . Light-emitting diode bulb

110...第一光源110. . . First light source

120...第二光源120. . . Second light source

101...第一燈罩101. . . First lampshade

1011...側面1011. . . side

1012...凹曲面1012. . . Concave surface

1013...凸曲面1013. . . Convex surface

102...第二燈罩102. . . Second lampshade

103...雙面電路基板103. . . Double-sided circuit substrate

1031...第一面1031. . . First side

1032...第二面1032. . . Second side

1041...第一LED組件1041. . . First LED component

1042...第二LED組件1042. . . Second LED component

105...透鏡105. . . lens

106、1061...散熱鰭片106, 1061. . . Heat sink fin

107...燈頭107. . . Lamp head

圖1為本發明第一實施方式中的發光二極體燈泡示意圖。1 is a schematic view of a light-emitting diode bulb in a first embodiment of the present invention.

圖2為本圖1所示的發光二極體燈泡的雙面電路基板示意圖。2 is a schematic view of a double-sided circuit substrate of the light-emitting diode bulb shown in FIG. 1.

圖3為本圖1所示的發光二極體燈泡的雙面電路基板第一面一側的示意圖。3 is a schematic view showing the first surface side of the double-sided circuit board of the light-emitting diode bulb shown in FIG. 1.

圖4為本發明第二實施方式中的發光二極體燈泡示意圖。4 is a schematic view of a light-emitting diode bulb in a second embodiment of the present invention.

圖5為本發明第三實施方式中的發光二極體燈泡的雙面電路基板第二面一側的示意圖。Fig. 5 is a schematic view showing a second surface side of a double-sided circuit board of a light-emitting diode bulb according to a third embodiment of the present invention.

圖6為本發明第四實施方式中的發光二極體燈泡的雙面電路基板第二面一側的示意圖。Fig. 6 is a schematic view showing a second surface side of a double-sided circuit board of a light-emitting diode bulb according to a fourth embodiment of the present invention.

圖7為本發明第五實施方式中的發光二極體燈泡的雙面電路基板第二面一側的示意圖。Fig. 7 is a schematic view showing a second surface side of a double-sided circuit board of a light-emitting diode bulb according to a fifth embodiment of the present invention.

下面將結合附圖,對本發明作進一步的詳細說明。The invention will be further described in detail below with reference to the accompanying drawings.

請參閱圖1至圖2,發光二極體燈泡10,包括第一燈罩101、第二燈罩102、雙面電路基板103、第一LED組件1041、第二LED組件1042、透鏡105、散熱鰭片106和燈頭107。第一LED組件1041和第二LED組件1042通過雙面電路基板103與燈頭107之間電連接,燈頭107包含電源驅動等組件。Referring to FIG. 1 to FIG. 2 , the LED bulb 10 includes a first lamp cover 101 , a second lamp cover 102 , a double-sided circuit substrate 103 , a first LED component 1041 , a second LED component 1042 , a lens 105 , and a heat dissipation fin 106 and the base 107. The first LED component 1041 and the second LED component 1042 are electrically connected to the base 107 through the double-sided circuit substrate 103, and the base 107 includes components such as a power supply.

所述第一LED組件1041與第二LED組件1042均發出白光,且二者色溫不同。例如,根據不同的應用需求,第一LED組件1041與第二LED組件1042的色溫區間搭配可為冷色溫與暖色溫搭配,暖色溫與中性色溫搭配或者冷色溫與中性色溫搭配等,此外,為配合使用者的心理需求與生理需求,第一LED組件1041與第二LED組件1042的色溫還可選取同一色溫區間的不同色溫,以提高發光二極體燈泡的舒適性。The first LED component 1041 and the second LED component 1042 both emit white light, and the color temperatures of the two are different. For example, according to different application requirements, the color temperature interval of the first LED component 1041 and the second LED component 1042 can be matched with a cool color temperature and a warm color temperature, a warm color temperature and a neutral color temperature, or a cool color temperature and a neutral color temperature. In order to meet the psychological needs and physiological needs of the user, the color temperatures of the first LED component 1041 and the second LED component 1042 can also select different color temperatures of the same color temperature interval to improve the comfort of the LED light bulb.

所述雙面電路基板103,具有相對設定的第一面1031和第二面1032。至少一個第一LED組件1041裝載在第一面1031上,作為第一光源110。至少一個第二LED組件1042裝載在第二面1032上,作為第二光源120。The double-sided circuit substrate 103 has a first surface 1031 and a second surface 1032 that are oppositely disposed. At least one first LED component 1041 is loaded on the first face 1031 as the first light source 110. At least one second LED component 1042 is loaded on the second side 1032 as the second light source 120.

所述雙面電路基板103可以呈現圓形、橢圓形或者多邊形,由此第一燈罩101和第二燈罩102與雙面電路基板103接合的外框形狀亦可作相應的調整,使第一燈罩101、第二燈罩102與雙面電路基板103接合的部分為相應的圓形、橢圓形或者多邊形。本實施例中示出的雙面電路基板103為圓形。The double-sided circuit substrate 103 can be circular, elliptical or polygonal, whereby the shape of the outer frame of the first lamp cover 101 and the second lamp cover 102 and the double-sided circuit substrate 103 can be adjusted accordingly, so that the first lamp cover can be adjusted accordingly. 101. The portion where the second lampshade 102 is joined to the double-sided circuit substrate 103 is a corresponding circular, elliptical or polygonal shape. The double-sided circuit substrate 103 shown in this embodiment has a circular shape.

所述第一燈罩101罩設在第一光源110上以調節第一光源110的光場分散。為了配合圓形的雙面電路基板103,第一燈罩101與雙面電路基板103接合的部分呈圓形。The first lamp cover 101 is disposed on the first light source 110 to adjust the light field dispersion of the first light source 110. In order to fit the circular double-sided circuit board 103, the portion where the first lamp cover 101 and the double-sided circuit board 103 are joined is circular.

進一步的,請參閱圖3,可將第一燈罩101的內表面和外表面均做霧化處理,使透過第一燈罩101的光束發散,以增強透過第一燈罩101的光線的均勻性。Further, referring to FIG. 3, both the inner surface and the outer surface of the first lampshade 101 can be atomized to divergence the light beam transmitted through the first lampshade 101 to enhance the uniformity of light transmitted through the first lampshade 101.

偏好的,本實施例中,只將第一燈罩101的內表面做霧化處理,使透過第一燈罩101的光束發散,不僅使光線變得柔和,而且增強了發光二極體燈泡10出光的均勻性;所述第一燈罩101的外表面光滑,光滑的外表面不僅不易黏灰,並且容易清潔。Preferably, in the embodiment, only the inner surface of the first lampshade 101 is atomized, so that the light beam transmitted through the first lampshade 101 is diverged, which not only softens the light, but also enhances the light output of the light-emitting diode bulb 10. Uniformity; the outer surface of the first lampshade 101 is smooth, and the smooth outer surface is not only less viscous, but also easy to clean.

所述第二燈罩102為兩端開口的筒狀架構。所述第二燈罩102的外側壁為凹曲面。所述第二燈罩102的一端與圓形的雙面電路基板103配合連接,從而該第二燈罩102罩在第二光源120上以調節第二光源120的光場分散。The second lampshade 102 is a cylindrical structure with open ends. The outer sidewall of the second lampshade 102 has a concave curved surface. One end of the second lamp cover 102 is coupled to the circular double-sided circuit substrate 103 such that the second lamp cover 102 covers the second light source 120 to adjust the light field dispersion of the second light source 120.

可以理解地,第一燈罩101和第二燈罩102可以一體成型,進而使雙面電路基板103由第二燈罩102的底部進入,並通過黏接等手段將雙面電路基板103固定在第一燈罩101和第二燈罩102所圍空間中的合適位置,此時,雙面電路基板103可選用柔性的、可彎折的材料,亦可釆用銜接式雙面電路基板103,並保證彎折和銜接不影響雙面電路基板103及裝載於雙面電路基板103上組件的效能。It can be understood that the first lamp cover 101 and the second lamp cover 102 can be integrally formed, so that the double-sided circuit substrate 103 enters from the bottom of the second lamp cover 102, and the double-sided circuit substrate 103 is fixed to the first lamp cover by means of bonding or the like. 101 and the appropriate position in the space surrounded by the second lampshade 102. At this time, the double-sided circuit substrate 103 can be selected from a flexible and bendable material, and the double-sided circuit substrate 103 can also be used, and the bending and the bending are ensured. The connection does not affect the performance of the double-sided circuit substrate 103 and the components mounted on the double-sided circuit substrate 103.

所述散熱鰭片106裝載在所述第二燈罩102和所述燈頭107之間,以空氣、第一燈罩101、第二燈罩102和燈頭107的外殼為傳熱介質,將所述第一光源110、第二光源120和燈頭107產生的熱量傳遞到外界環境中。另外,當發光二極體燈泡10產生的熱量足以通過第一燈罩101、第二燈罩102和燈頭107的外殼向外疏散時,亦可以選取不裝載散熱鰭片106,使第二燈罩102直接與燈頭107連接。The heat dissipating fins 106 are loaded between the second lamp cover 102 and the lamp cap 107, and the air, the first lampshade 101, the second lampshade 102, and the outer casing of the lamp cap 107 are heat transfer media, and the first light source is used. 110. The heat generated by the second light source 120 and the lamp cap 107 is transferred to the external environment. In addition, when the heat generated by the LED bulb 10 is sufficient to be evacuated through the outer casing of the first lampshade 101, the second lampshade 102, and the lamp cap 107, the heat sink fins 106 may not be loaded, so that the second lampshade 102 directly The base 107 is connected.

進一步的,請參閱圖4,為增強發光二極體燈泡的散熱功能,可增設輔助散熱鰭片1061,輔助散熱鰭片1061裝載在所述雙面電路基板103周邊,並位於所述第一燈罩101和所述第二燈罩102之間。Further, referring to FIG. 4 , in order to enhance the heat dissipation function of the LED bulb, an auxiliary heat dissipation fin 1061 may be added, and the auxiliary heat dissipation fin 1061 is mounted on the periphery of the double-sided circuit substrate 103 and located in the first lampshade. Between 101 and the second shade 102.

更進一步,所述第一燈罩101與雙面電路基板103之間、雙面電路基板103與第二燈罩102之間、第二燈罩102與散熱鰭片106之間、散熱鰭片106與燈頭107之間的連接處均塗有導熱膠,以提高導熱效能。Furthermore, between the first lamp cover 101 and the double-sided circuit substrate 103, between the double-sided circuit substrate 103 and the second lamp cover 102, between the second lamp cover 102 and the heat dissipation fins 106, the heat dissipation fins 106 and the lamp cap 107 The joints are coated with thermal adhesive to improve thermal conductivity.

由於LED組件光場強度分散不均,其正向光強度大於側向光強度,當人用肉眼直視時,會感覺LED燈泡光線很刺眼。本實施例提供的發光二極體燈泡10,可裝載於房間內的牆壁或屋頂上,釆用所述具有霧化表面的第一燈罩101罩在所述第一光源110上,當人用肉眼直視時發光二極體燈泡10,不會感覺所述發光二極體燈泡10的光線很刺眼。Since the intensity of the light intensity of the LED component is unevenly distributed, the forward light intensity is greater than the lateral light intensity. When the human eye is directly viewed by the naked eye, the LED light bulb is glaring. The LED bulb 10 provided in this embodiment can be mounted on a wall or a roof in a room, and the first lamp cover 101 having an atomizing surface is covered on the first light source 110 when the human eye is used. When the light-emitting diode bulb 10 is viewed in direct view, the light of the light-emitting diode bulb 10 is not felt to be glaring.

此外,在發光二極體燈泡10的第二光源120的第二LED組件1042上設有透鏡105。透鏡105用於折射第二LED組件1042發出的光線。透鏡105的頂部中心具有一朝向第二LED組件1042凹陷的凹曲面。Further, a lens 105 is provided on the second LED assembly 1042 of the second light source 120 of the light-emitting diode bulb 10. The lens 105 is used to refract light emitted by the second LED assembly 1042. The top center of the lens 105 has a concave curved surface that is recessed toward the second LED assembly 1042.

進一步的,請參閱圖5,對透鏡105頂部中心的凹曲面做霧化處理,使由第二光源120發出的光線透過該透鏡105的凹曲面後發散,增強了出光的均勻性,並且不僅限於一個透鏡105對應一個第二LED組件1042。Further, referring to FIG. 5, the concave curved surface at the center of the top of the lens 105 is atomized, so that the light emitted by the second light source 120 is diverged through the concave curved surface of the lens 105, thereby enhancing the uniformity of the light output, and is not limited thereto. One lens 105 corresponds to a second LED assembly 1042.

另外,請參閱圖6,亦可對透鏡105頂部中心的凹曲面做鏡面處理,用以反射從第二光源120發出並到達鏡面的光線,使更多的光線可以透過透鏡105的側面,進而使更多的光線透過第二燈罩102以增加發光二極體燈泡10的亮度。In addition, referring to FIG. 6, the concave curved surface at the top center of the lens 105 may also be mirror-finished to reflect the light emitted from the second light source 120 and reaching the mirror surface, so that more light can pass through the side of the lens 105, thereby More light passes through the second shade 102 to increase the brightness of the light-emitting diode bulb 10.

更進一步,請參閱圖7,對第二燈罩102的內表面做霧化處理,可以使透過第二燈罩102的光束發散,不僅使光線變得柔和,而且增強了發光二極體燈泡10出光的均勻性;所述第二燈罩102的外表面光滑,光滑的外表面不僅不易黏灰,並且容易清潔。Further, referring to FIG. 7, the inner surface of the second lampshade 102 is atomized to disperse the light beam transmitted through the second lampshade 102, which not only softens the light but also enhances the light output of the light-emitting diode bulb 10. Uniformity; the outer surface of the second lampshade 102 is smooth, and the smooth outer surface is not only less viscous, but also easy to clean.

可以理解地,亦可對第二燈罩102的外表面做霧化處理,或者對第二燈罩102的內外表面均做霧化處理。It can be understood that the outer surface of the second lamp cover 102 can be atomized or the inner and outer surfaces of the second lamp cover 102 can be atomized.

本發明之技術內容及技術特點已揭示如上,然而熟悉本項技術之人士仍可能基於本發明之教示及揭示而作種種不背離本發明精神之替換及修飾。因此,本發明之保護範圍應不限於實施例所揭示者,而應包括各種不背離本發明之替換及修飾,並為以下之申請專利範圍所涵蓋。The technical and technical features of the present invention have been disclosed as above, and those skilled in the art can still make various substitutions and modifications without departing from the spirit and scope of the invention. Therefore, the scope of the present invention should be construed as being limited by the scope of the appended claims

10...發光二極體燈泡10. . . Light-emitting diode bulb

101...第一燈罩101. . . First lampshade

102...第二燈罩102. . . Second lampshade

103...雙面電路基板103. . . Double-sided circuit substrate

105...透鏡105. . . lens

106...散熱鰭片106. . . Heat sink fin

107...燈頭107. . . Lamp head

Claims (10)

一種發光二極體燈泡,包括燈罩、電路基板、LED組件和燈頭,電路基板為雙面電路基板並具有相對設定的第一面和第二面;LED組件包括第一LED組件和第二LED組件;所述第一、第二LED組件均發出白光且二者色溫不同;第一、第二LED組件分別裝載在雙面電路基板的第一面和第二面上以作為第一光源和第二光源;燈罩罩在第一、第二光源上以調節第一、第二光源的光場分散;燈頭與燈罩連接且通過電路基板和LED組件之間電連接。A light-emitting diode bulb includes a lamp cover, a circuit substrate, an LED assembly and a lamp base, the circuit substrate is a double-sided circuit substrate and has oppositely disposed first and second faces; and the LED assembly includes a first LED component and a second LED component The first and second LED components both emit white light and have different color temperatures; the first and second LED components are respectively mounted on the first side and the second side of the double-sided circuit substrate as the first light source and the second a light source; the lamp cover is disposed on the first and second light sources to adjust the light field dispersion of the first and second light sources; the lamp cap is connected to the lamp cover and electrically connected between the circuit substrate and the LED assembly. 如申請專利範圍第1項所述之發光二極體燈泡,其中燈罩包括第一燈罩和第二燈罩,第一燈罩罩在第一光源上以調節第一光源的光場分散,第二燈罩罩在第二光源上以調節第二光源的光場分散。The light-emitting diode bulb of claim 1, wherein the lamp cover comprises a first lamp cover and a second lamp cover, the first lamp cover is disposed on the first light source to adjust the light field dispersion of the first light source, and the second lamp cover is A light source dispersion of the second light source is adjusted on the second light source. 如申請專利範圍第2項所述之發光二極體燈泡,其中所述第二燈罩為兩端開口的筒狀架構,第二燈罩的一端與雙面電路基板連接,另一端與燈頭連接。The light-emitting diode bulb of claim 2, wherein the second lamp cover is a cylindrical structure with open ends, and the second lamp cover has one end connected to the double-sided circuit substrate and the other end connected to the lamp cap. 如申請專利範圍第3項所述之發光二極體燈泡,其中所述第二燈罩的外側壁為凹曲面。The light-emitting diode bulb of claim 3, wherein the outer side wall of the second lamp cover is a concave curved surface. 如申請專利範圍第4項所述之發光二極體燈泡,其中還包括增設在第二燈罩的另一端與燈頭之間的散熱鰭片。The light-emitting diode bulb of claim 4, further comprising a heat-dissipating fin added between the other end of the second lamp cover and the lamp cap. 如申請專利範圍第5項所述之發光二極體燈泡,其中所述第一燈罩與雙面電路基板之間、所述雙面電路基板與第二燈罩之間、第二燈罩與散熱鰭片之間以及所述散熱鰭片與燈頭之間均設有導熱介質。The light-emitting diode bulb according to claim 5, wherein the first lamp cover and the double-sided circuit substrate, the double-sided circuit substrate and the second lamp cover, the second lamp cover and the heat dissipation fin A heat conducting medium is disposed between the heat dissipating fins and the lamp cap. 如申請專利範圍第2項所述之發光二極體燈泡,其中還包括裝載在所述雙面電路基板周邊的輔助散熱鰭片,所述輔助散熱鰭片位於所述第一燈罩和所述第二燈罩之間。The light-emitting diode bulb of claim 2, further comprising an auxiliary heat-dissipating fin mounted on a periphery of the double-sided circuit substrate, wherein the auxiliary heat-dissipating fin is located in the first lampshade and the first Between the two shades. 如申請專利範圍第2項所述之發光二極體燈泡,其中還包括裝載在所述第二光源的LED組件上的透鏡,該透鏡用於調節第二光源的光路,該透鏡頂部中心具有一朝向LED組件凹陷的凹曲面。The light-emitting diode bulb of claim 2, further comprising a lens mounted on the LED assembly of the second light source, the lens for adjusting an optical path of the second light source, the lens top center having a A concave curved surface that is recessed toward the LED assembly. 如申請專利範圍第8項所述之發光二極體燈泡,其中所述透鏡頂部中心的凹曲面做鏡面處理或霧化處理。The light-emitting diode bulb of claim 8, wherein the concave curved surface at the center of the top of the lens is mirror-finished or atomized. 如申請專利範圍第2項至第9項任一項所述之發光二極體燈泡,其中所述第一燈罩或第二燈罩的內表面和外表面中至少一個面做霧化處理以使射出的光線具有散射效果。
The light-emitting diode bulb according to any one of the items 2 to 9, wherein at least one of an inner surface and an outer surface of the first lamp cover or the second lamp cover is atomized to emit The light has a scattering effect.
TW102114933A 2013-04-18 2013-04-26 Light emitting diode bulb TWI497014B (en)

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