LED filament lamp

Abstract

The present invention belongs to the technical field of lighting devices, in particular to an LED filament lamp. The LED filament lamp comprises a transparent hood with an opening at the lower end, and a lamp cap connected to the transparent hood, and a light emitting source is arranged in the transparent hood. The LED filament lamp also comprises a support base; the support base is arranged in a space enclosed by the transparent hood and the lamp cap; the light emitting source is fixed on the support base, and the lower end of the light emitting source is connected with the lamp cap through a current limiting resistor. The light emitting source comprises a single strip-shaped substrate, and a plurality of LED wafers; the two ends of the strip-shaped substrate are conductive electrical connecting ends; the plurality of LED wafers are connected in turn and arranged on the strip-shaped substrate at an interval to form a strip-shaped LED wafer set; a rectifying unit electrically connected with the strip-shaped LED wafer set is arranged at each one of the two ends of the strip-shaped LED wafer set; and each one of the rectifying units is fixed on the strip-shaped substrate and is electrically connected with each corresponding one of the electrical connecting ends. The present invention provides an LED filament lamp which is conveniently assembled and can be directly connected with an alternating current.

Claims

1. An LED filament lamp, comprising a transparent hood with an opening at a lower end; a lamp cap connected to the lower end of the transparent hood; a light emitting source arranged in the transparent hood; a support base arranged in a space enclosed by the transparent hood and the lamp cap, wherein the light emitting source is fixed at the support base, a lower end of the light emitting source is connected with the lamp cap through a current limiting resistor, and the light emitting source comprises: a single strip-shaped substrate, two ends of the strip-shaped substrate being conductive electrical connecting ends; and a plurality of LED wafers, wherein the plurality of LED wafers are connected in turn and arranged on the strip-shaped substrate at an interval to form a strip-shaped LED wafer set, a rectifying unit electrically connected with the strip-shaped LED wafer set is arranged at each one of the two ends of the strip-shaped LED wafer set, each one of the rectifying units is fixed on the strip-shaped substrate and is connected with each corresponding one of the electrical connecting ends, each one of the electrical connecting ends is capable of being directly connected with an alternating current and energizes the strip-shaped LED wafer set to lighten the LED wafers, wherein the rectifying units include a first rectifying unit and a second rectifying unit which are arranged on one side of the strip-shaped LED wafer set, and a third rectifying unit and a fourth rectifying unit which are arranged on the other side of the strip-shaped LED wafer set, the four rectifying units and the strip-shaped LED wafer set a communicate with one another to form a rectifying circuit wherein a first conductor and a second conductor are respectively arranged on two lateral sides of the face, on which the LED wafers are fixed, of the strip-shaped substrate, the first conductor is connected with an output terminal of the first rectifying unit, an input terminal of the strip-shaped LED wafer set, and an output terminal of the fourth rectifying unit, and the second conductor is connected with an input terminal of the second rectifying unit, an output terminal of the strip-shaped LED wafer set, and an input terminal of the third rectifying unit, wherein the first rectifying unit and the second rectifying unit are oppositely arranged, the third rectifying unit and the fourth rectifying unit are oppositely arranged, each one of the rectifying units comprises at least one LED wafer and when each one of the rectifying units is internally provided with a plurality of LED wafers, the LED wafers in each one of the rectifying units are arranged toward the same direction, wherein the strip-shaped LED wafer set and the rectifying units all are arranged on the same side of the strip-shaped substrate; the LED wafers in the strip-shaped LED wafer set are connected toward the same direction, wherein the strip-shaped substrate is a transparent or non-transparent strip-shaped substrate, and glue mixed with fluorescent powder is applied to the two sides of the strip-shaped substrate, and wherein when the lamp cap is connected with an external circuit, a current path is formed between the lamp cap, the current limiting resistor, and the light emitting source to energize the light emitting source, so that the light emitting source emits light.

2. The LED filament lamp according to claim 1, wherein the transparent hood is made of glass, the transparent hood and the lamp cap are fixed using adhesive, and wherein the support base comprises a seat and a fixed boss arranged on the seat, the fixed boss is provided with fixing holes which runs through the seat, a lower end of the seat is provided with external screw threads, the lamp cap is provided with internal screw threads, and the seat and the lamp cap are in a threaded connection.

3. The LED filament lamp according to claim 2, wherein an upper end of the light emitting source is connected with the support base through a support member, while a lower end of the support member extends out of the support base and is connected with the lamp cap, wherein when one light emitting source is provided, the support member is a long conductive wire, the conductive wire has a bent portion at an upper end, and the bent portion is welded with the upper end of the light emitting source, wherein a connecting portion (52) with a relatively small diameter is arranged at a lower end of the conductive wire; the connecting portion passes through the fixing holes of the support base and is connected with the support base in a through-hole fastening way, and wherein an upper end of the current limiting resistor is welded with the lower end of the light emitting source through a third metal wire which passes through the fixing hole of the support base, and the third metal wire is provided with a bend at a position close to the light emitting source.

4. The LED filament lamp according to claim 2, wherein an upper end of the light emitting source is connected with the support base through a support member, a lower end of the support member extends out of the support base and is connected with the lamp cap, wherein when more than one light emitting source is provided, the support member is a support column, wherein the support column comprises a support stand and support pillars arranged on the support stand, and wherein the support stand is provided with two through-holes, and a run-through positioning hole is formed on a top end of each one of the support pillars; the light emitting sources are fixed on the support column through metal wires.

5. The LED filament lamp according to claim 4, wherein each one of the individual light emitting sources is welded with a first metal wire at a top end and a second metal wire at a bottom end; each one of the first metal wires is inserted in and fixed at each corresponding one of the positioning holes and all first metal wires are converged and connected in the positioning holes; the second metal wires pass through the through-hole of the support stand and then are inserted into and fixed at the fixing holes of the support base; a lower end of at least one of the second metal wires is connected with the lamp cap and a lower end of at least one of the second metal wires is connected with the current limiting resistor.

6. The LED filament lamp according to claim 1, wherein the transparent hood is made of a plastic material, the transparent hood is provided with external screw threads at the opening of the lower end, the lamp cap is provided with internal screw threads, the transparent hood and the lamp cap are in a threaded connection; a groove is formed at the position of the external screw threads of the transparent hood; and wherein the support base comprises a seat and a fixed boss which is arranged on the seat, the fixed boss is provided with fixing holes which runs through the seat, a clamping block is arranged on an outside wall of the lower end of the seat, and the clamping block is clamped and fixed with the groove of the transparent hood.

7. The LED filament lamp according to claim 6, wherein an upper end of the light emitting source is connected with the support base through a support member, while a lower end of the support member extends out of the support base and is connected with the lamp cap, wherein when one light emitting source is provided, the support member is a long conductive wire, the conductive wire has a bent portion at an upper end, and the bent portion is welded with the upper end of the light emitting source, wherein a connecting portion with a relatively small diameter is arranged at a lower end of the conductive wire, the connecting portion passes through the fixing hole of the support base and is connected with the support base in a through-hole fastening way, and wherein an upper end of the current limiting resistor is welded with the lower end of the light emitting source through a third metal wire which passes through the fixing hole of the support base, and the third metal wire is provided with a bend at a position close to the light emitting source.

8. The LED filament lamp according to claim 6, wherein an upper end of the light emitting source (3) is connected with the support base (4) through a support member, a lower end of the support member extends out of the support base (4) and is connected with the lamp cap, wherein when more than one light emitting source (3) is provided, the support member is a support column; wherein the support column comprises a support stand and support pillars arranged on the support stand, and wherein the support stand is formed provided with two through-holes, and a run-through positioning hole is formed on a top end of each one of the support pillars, and; the light emitting sources are fixed on the support column through metal wires.

9. The LED filament lamp according to claim 8, wherein each one of the individual light emitting sources is welded with a first metal wire at a top end and a second metal wire at a bottom end; each one of the first metal wires is inserted in and fixed at each corresponding one of the positioning holes and all first metal wires are converged and connected in the positioning holes; the second metal wires pass through the through-hole of the support stand and then are inserted into and fixed at the fixing holes of the support base; a lower end of at least one of the second metal wires is connected with the lamp cap and a lower end of at least one of the second metal wires is connected with the current limiting resistor.

10. The LED filament lamp according to claim 1, wherein the lower end of the current limiting resistor is connected with the lamp cap through a lamp cap fixture, and the lamp cap fixture includes a round seat and an support pillar arranged on the round seat.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

(1) FIG. 1 is an exploded view of embodiment 1 of an LED filament lamp of the present invention;

(2) FIG. 2 is an exploded view of embodiment 2 of the LED filament lamp of the present invention;

(3) FIG. 3 is an exploded view of embodiment 3 of the LED filament lamp of the present invention;

(4) FIG. 4 is a structural view of a light emitting source in embodiment 1 of the LED filament lamp of the present invention;

(5) FIG. 5 is a structural view of a light emitting source in embodiment 2 of the LED filament lamp of the present invention;

(6) FIG. 6 is a schematic diagram of a circuit of the light emitting source of the LED filament lamp of the present invention.

(7) Where, transparent hood1; external screw threads11; groove12; lamp cap2; light emitting source3; first metal wire31; second metal wire32; support base4; seat41; fixed boss42; fixing hole43; clamping block44; support member 5; bent portion51; connecting portion52; support stand53; support pillar54; current limiting resistor6; third metal wire61; adhesive7; lamp cap fixture8; round seat81; support pillar82; strip-shaped substrate10; first conductor101; second conductor102; LED wafer set20; LED wafer201; electrical connecting portion30; first rectifying unit401; second rectifying unit402; third rectifying unit403; fourth rectifying unit404; rectifying diode50.

DETAILED DESCRIPTION OF THE INVENTION

(8) The LED filament lamp provided by present invention is described in further detail in conjunction with the attached drawings.

(9) Embodiment 1 As shown in FIG. 1, an LED filament lamp includes a transparent hood 1 with an opening at the lower end, and a lamp cap 2 connected to the lower end of the transparent hood 1; the transparent hood 1 is made of glass, and the transparent hood 1 and the lamp cap 2 are fixed with adhesive 7.

(10) A light emitting source 3 is arranged in the transparent hood 1; a support base 4 is arranged in a space enclosed by the transparent hood 1 and the lamp cap 2; one end of the light emitting source 3 is connected with the support base 4 through a support member 5; the other end of the light emitting source 3 is connected with the lamp cap 2 through a current limiting resistor 6, and the lower end of the support member 5 extends out of the support base 4 and is connected with the lamp cap 2.

(11) When a bulb is working and under the condition that the lamp cap 2 is connected with an external grid circuit, the lamp cap 2, the current limiting resistor 6, the light emitting source 3 and the support member 5 form a current path to energize the light emitting source 3, so that the light emitting source emits light.

(12) Further, the support base 4 includes a seat 41 and a fixed boss 42 arranged on the seat 41; the fixed boss 42 is formed with a fixing hole 43 which runs through the seat 41; the seat 41 is provided with external screw threads at the lower end; the lamp cap 2 is provided with internal screw threads; and the seat 41 and the lamp cap 2 are in a threaded connection.

(13) In this embodiment, the transparent hood 1 is internally provided with one light emitting source 3. In such circumstances, the support member 5 is a long conductive wire; a bent portion 51 is arranged at the upper end of the conductive wire; and the bent portion 51 is welded with the upper end of the light emitting source 3. A connecting portion 52 with a relatively small diameter is arranged at the lower end of the support member 5; after the connecting portion 52 passes through the fixing hole 43 of the support base 4, the excessive part is coiled and fixed at a rod which is arranged below the support base 4 and on a lateral side of the fixing hole 43.

(14) Further, the upper end of the current limiting resistor 6 is welded with the lower end of the light emitting source 3 through a third metal wire 61 which passes through the fixing hole 43, and the third metal wire 61 is provided with a bend 62 at a position close to the light emitting source 3.

(15) Further, the lower end of the current limiting resistor 6 is connected with the lamp cap 2 through a lamp cap fixture 8, and the lamp cap fixture 8 includes a round seat 81 and an support pillar 82 arranged on the round seat.

(16) As shown in FIG. 4 and FIG. 6, an LED light emitting source includes a single strip-shaped substrate 10 and a plurality of LED wafers 201 fixed on the strip-shaped substrate; the strip-shaped substrate 10 is a transparent strip-shaped substrate, and glue mixed with fluorescent powder is applied to two sides of the strip-shaped substrate 10. The two ends of the strip-shaped substrate 10 are conductive electrical connecting ends 30; the electrical connecting ends 30 can be directly connected with the AC power supply and energize the strip-shaped LED wafer set 20, so that the LED wafers 201 emit light.

(17) Further, a plurality of LED wafers 201 are connected in turn and arranged on the strip-shaped substrate 10 at an interval to form a strip-shaped LED wafer set 20; a rectifying unit electrically connected with the strip-shaped LED wafer set 20 is arranged at each one of the two ends of the strip-shaped LED wafer set 20, and each one of the rectifying units is fixed on the strip-shaped substrate 10 and is connected with each corresponding one of the electrical connecting ends 30. Where, the strip-shaped LED wafer set 20 and the rectifying units are arranged on the same side of the strip-shaped substrate 10.

(18) Further, the rectifying units includes a first rectifying unit 401 and a second rectifying unit 402 which are arranged on one side of the strip-shaped LED wafer set 20, and a third rectifying unit 403 and a fourth rectifying unit 404 which are arranged on the other side of the strip-shaped LED wafer set 20, and the four rectifying units and the strip-shaped LED wafer set 20 communicate with one another to form a rectifying circuit.

(19) Further, a first conductor 101 and a second conductor 102 are arranged on two lateral sides of a face, on which the LED wafers 201 are fixed, of the strip-shaped substrate 10. The specific connection relationship is as follows: The LED wafers 201 in the strip-shaped LED wafer set 20 are connected toward the same direction; the first conductor 101 is connected with an output terminal of the first rectifying unit 401, an input terminal of the strip-shaped LED wafer set 20, and an output terminal of the fourth rectifying unit 404, and the second conductor 102 is connected with an input terminal of the second rectifying unit 402, an output terminal of the strip-shaped LED wafer set 20, and an input terminal of the third rectifying unit 403.

(20) Further, the first rectifying unit 401 and the second rectifying unit 402 are oppositely arranged; the third rectifying unit 403 and the fourth rectifying unit 404 are oppositely arranged; and each one of the rectifying units includes at least one rectifying diode 50, and the rectifying diode 50 may be a high-voltage-withstanding silicon rectifying diode. The high-voltage-withstanding silicon rectifying diode is low in cost, and high in durability, and can be pasted on the strip-shaped substrate by the traditional process, so the production and processing are convenient.

(21) Embodiment 2 As shown in FIG. 2, an LED filament lamp includes a transparent hood 1 with an opening at the lower end, and a lamp cap 2 connected to the lower end of the transparent hood 1; the transparent hood 1 is made of a plastic material; the transparent hood 1 is provided with external screw threads 11 at the opening of the lower end; the lamp cap 2 is provided with internal screw threads; and the transparent hood 1 and the lamp cap 2 are in a threaded connection. Where, a groove 12 is formed at the external screw threads 11 of the transparent hood 1.

(22) A light emitting source 3 is arranged in the transparent hood 1; a support base 4 is arranged in a space enclosed by the transparent hood 1 and the lamp cap 2; one end of the light emitting source 3 is connected with the support base 4 through a support member 5; the other end of the light emitting source 3 is connected with the lamp cap 2 through a current limiting resistor 6, and the lower end of the support member 5 extends out of the support base 4 and is connected with the lamp cap 2.

(23) When a bulb is working and under the condition that the lamp cap 2 is connected with an external grid circuit, the lamp cap 2, the current limiting resistor 6, the light emitting source 3 and the support member 5 form a current path to energize the light emitting source 3, so that the light emitting source emits light.

(24) Further, the support base 4 includes a seat 41 and a fixed boss 42 arranged on the seat 41; the fixed boss 42 is formed with a fixing hole 43 which runs through the seat 41; a clamping block 44 is arranged on an outside wall of the lower end of the seat 41; and the clamping block 44 is clamped and fixed with the groove 12 of the transparent hood 1.

(25) In this embodiment, the transparent hood 1 is internally provided with one light emitting source 3. In such circumstances, the support member 5 is a long conductive wire; a bent portion 51 is arranged at the upper end of the conductive wire; and the bent portion 51 is welded with the upper end of the light emitting source 3. A connecting portion 52 with a relatively small diameter is arranged at the lower end of the support member 5; after the connecting portion 52 passes through the fixing hole 43 of the support base 4, the excessive part is coiled and fixed at a rod which is arranged below the support base 4 and on a lateral side of the fixing hole 43.

(26) Further, the upper end of the current limiting resistor 6 is welded with the lower end of the light emitting source 3 through a third metal wire 61 which passes through the fixing hole 43, and the third metal wire 61 is provided with a bend 62 at a position close to the light emitting source 3.

(27) Further, the lower end of the current limiting resistor 6 is connected with the lamp cap 2 through a lamp cap fixture 8, and the lamp cap fixture 8 includes a round seat 81 and an support pillar 82 arranged on the round seat.

(28) As shown in FIG. 5 and FIG. 6, an LED light emitting source includes a single strip-shaped substrate 10 and a plurality of LED wafers 201 fixed on the strip-shaped substrate; the strip-shaped substrate 10 is a non-transparent strip-shaped substrate, and glue mixed with fluorescent powder is applied to two sides of the strip-shaped substrate 10. The two ends of the strip-shaped substrate 10 are conductive electrical connecting ends 30; the electrical connecting ends 30 can be directly connected with the AC power supply and energize the strip-shaped LED wafer set 20, so that the LED wafers 201 emit light.

(29) Further, a plurality of LED wafers 201 are connected in turn and arranged on the strip-shaped substrate 10 at an interval to form a strip-shaped LED wafer set 20; a rectifying unit electrically connected with the strip-shaped LED wafer set 20 is arranged at each one of the two ends of the strip-shaped LED wafer set 20, and each one of the rectifying units is fixed on the strip-shaped substrate 10 and is connected with each corresponding one of the electrical connecting ends 30. Where, the strip-shaped LED wafer set 20 and the rectifying units are arranged on the same side of the strip-shaped substrate 10.

(30) Further, the rectifying units include a first rectifying unit 401 and a second rectifying unit 402 which are arranged on one side of the strip-shaped LED wafer set 20, and a third rectifying unit 403 and a fourth rectifying unit 404 which are arranged on the other side of the strip-shaped LED wafer set 20, and the four rectifying units and the strip-shaped LED wafer set 20 communicate with one another to form a rectifying circuit.

(31) Further, a first conductor 101 and a second conductor 102 are arranged on two lateral sides of a face, on which the LED wafers 201 are fixed, of the strip-shaped substrate 10. The specific connection relationship is as follows: The LED wafers 201 in the strip-shaped LED wafer set 20 are connected toward the same direction; the first conductor 101 is connected with an output terminal of the first rectifying unit 401, an input terminal of the strip-shaped LED wafer set 20, and an output terminal of the fourth rectifying unit 404, and the second conductor 102 is connected with an input terminal of the second rectifying unit 402, an output terminal of the strip-shaped LED wafer set 20, and an input terminal of the third rectifying unit 403.

(32) Further, the first rectifying unit 401 and the second rectifying unit 402 are oppositely arranged; the third rectifying unit 403 and the fourth rectifying unit 404 are oppositely arranged; and each one of the rectifying units includes at least one LED wafer 201. When the rectifying units are configured using the LED wafer 201, the production process can be reduced. The existing LED wafers 201 can be arranged according to the circuit, and then the two ends of the strip-shaped substrate can be directly connected with the AC power supply. The operation is simple and convenient.

(33) Embodiment 3 As shown in FIG. 3, an LED filament lamp includes a transparent hood 1 with an opening at the lower end, and a lamp cap 2 connected to the lower end of the transparent hood 1; the transparent hood 1 is made of a plastic material; the transparent hood 1 is provided with external screw threads 11 at the opening of the lower end; the lamp cap 2 is provided with internal screw threads; and the transparent hood 1 and the lamp cap 2 are in a threaded connection. Where, a groove 12 is formed at the external screw threads 11 of the transparent hood 1.

(34) A light emitting source 3 is arranged in the transparent hood 1; a support base 4 is arranged in a space enclosed by the transparent hood 1 and the lamp cap 2; one end of the light emitting source 3 is connected with the support base 4 through a support member 5; the other end of the light emitting source 3 is connected with the lamp cap 2 through a current limiting resistor 6, and the lower end of the support member 5 extends out of the support base 4 and is connected with the lamp cap 2.

(35) When a bulb is working and under the condition that the lamp cap 2 is connected with an external grid circuit, the lamp cap 2, the current limiting resistor 6, the light emitting source 3 and the support member 5 form a current path to energize the light emitting source 3, so that the light emitting source emits light.

(36) Further, the support base 4 includes a seat 41 and a fixed boss 42 arranged on the seat 41; the fixed boss 42 is formed with a fixing hole 43 which runs through the seat 41; a clamping block 44 is arranged on an outside wall of the lower end of the seat 41; and the clamping block 44 is clamped and fixed with the groove 12 of the transparent hood 1.

(37) In this embodiment, the transparent hood 1 is internally provided with four light emitting sources 3. In such circumstances, the support member 5 is a support column; the support column includes a support stand 53 and support pillars 54 which are arranged on the support stand 53; the support stand 53 is formed with two through-holes; each one of the support pillars 54 is formed with a run-through positioning hole at the top end, and each one of the light emitting sources 3 is fixed at each corresponding one of the support pillars 54 through a metal wire.

(38) Further, the top end of each one of the light emitting sources 3 is welded with a first metal wire 31; the bottom end of each one of the light emitting sources 3 is welded with a second metal wire 32; the number of the first metal wires 31 and the number of the second metal wires 32 are both four. Where, each one of the first metal wires 31 is inserted into each corresponding one of the positioning holes and all the first metal wires are converged and connected in the positioning holes; the second metal wires 32 pass through the through-holes of support stand 53 and then are inserted in and fixed in the fixing hole 43 of the support base 4. The lower end of each one of two second metal wires 32 is connected with the lamp cap 2, and the lower end of each one of the other two second metal wires 32 is connected with the current limiting resistor 6.

(39) Further, the lower end of the current limiting resistor 6 is connected with the lamp cap 2 through a lamp cap fixture 8, and the lamp cap fixture 8 includes a round seat 81 and an support pillar 82 arranged on the round seat.

(40) As shown in FIG. 4 and FIG. 6, an LED light emitting source includes a single strip-shaped substrate 10 and a plurality of LED wafers 201 fixed on the strip-shaped substrate; the strip-shaped substrate 10 is a transparent strip-shaped substrate, and glue mixed with fluorescent powder is applied to two sides of the strip-shaped substrate 10. The two ends of the strip-shaped substrate 10 are conductive electrical connecting ends 30; the electrical connecting ends 30 can be directly connected with the AC power supply and energize the strip-shaped LED wafer set 20, so that the LED wafers 201 emit light.

(41) Further, a plurality of LED wafers 201 are connected in turn and arranged on the strip-shaped substrate 10 at an interval to form a strip-shaped LED wafer set 20; a rectifying unit electrically connected with the strip-shaped LED wafer set 20 is arranged at each one of the two ends of the strip-shaped LED wafer set 20, and each one of the rectifying units is fixed on the strip-shaped substrate 10 and is connected with each corresponding one of the electrical connecting ends 30. Where, the strip-shaped LED wafer set 20 and the rectifying units are arranged on the same side of the strip-shaped substrate 10.

(42) Further, the rectifying units include a first rectifying unit 401 and a second rectifying unit 402 which are arranged on one side of the strip-shaped LED wafer set 20, and a third rectifying unit 403 and a fourth rectifying unit 404 which are arranged on the other side of the strip-shaped LED wafer set 20, and the four rectifying units and the strip-shaped LED wafer set 20 communicate with one another to form a rectifying circuit.

(43) Further, a first conductor 101 and a second conductor 102 are arranged on two lateral sides of a face, on which the LED wafers 201 are fixed, of the strip-shaped substrate 10. The specific connection relationship is as follows: The LED wafers 201 in the strip-shaped LED wafer set 20 are connected toward the same direction; the first conductor 101 is connected with an output terminal of the first rectifying unit 401, an input terminal of the strip-shaped LED wafer set 20, and an output terminal of the fourth rectifying unit 404, and the second conductor 102 is connected with an input terminal of the second rectifying unit 402, an output terminal of the strip-shaped LED wafer set 20, and an input terminal of the third rectifying unit 403.

(44) Further, the first rectifying unit 401 and the second rectifying unit 402 are oppositely arranged; the third rectifying unit 403 and the fourth rectifying unit 404 are oppositely arranged; each one of the rectifying units includes at least one rectifying diode 50, and the rectifying diode 50 may be a high-voltage-withstanding silicon rectifying diode. The high-voltage-withstanding silicon rectifying diode is low in cost, and high in durability, and can be pasted on the strip-shaped substrate by the traditional process, so the production and processing are convenient.

(45) The present invention is illustrated and described with reference to preferred embodiments. However, those skilled in the art shall know that various changes in form and details can be made with the scope of the claims.