Light emitting diode module

• US 20010007360A1
• Filed: 12/29/2000
• Published: 07/12/2001
• Est. Priority Date: 01/07/2000
• Status: Active Grant

• Current Assignee: Nippon Sheet Glass Company Limited
• Original Assignee: Nippon Sheet Glass Company Limited
• Inventors: Yoshida, Minoru, Matsumoto, Haruo
• Granted Patent: US 6,696,784 B2
• Time in Patent Office: Days
• US Class Current: 257/89
• CPC Class Codes: H01L 2224/48137 the bodies being arranged next to each other, e.g. on a common substrate
• CPC Class Codes: H01L 2224/48247 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 25/0753 the devices being arranged next to each other
• CPC Class Codes: Y10S 362/80 Light emitting diode

Abstract

A compact LED module capable of preventing electrostatic destruction is provided. This LED module has first, second, and third terminals; first and second light emitting diodes connected between the first and second terminals and also connected in inverse parallel to each other; and a third light emitting diode connected between the first or second terminal and the third terminal. The first light emitting diode is a green light emitting diode, the second light emitting diode is a blue light emitting diode, and the third light emitting diode is a red light emitting diode.

Claims

1. A light emitting diode as a compact light source for a lighting unit, said light emitting diode comprising:

first, second, and third terminals;

first and second light emitting diodes connected between the first terminal and the second terminal and also connected in inverse parallel to each other; and

a third light emitting diode connected between the first or second terminal and the third terminal.

2. The light emitting diode of

claim 1

, wherein said first diode is a green light emitting diode, said second light emitting diode is a blue light emitting diode, and said light emitting diode is a read light emitting diode.

3. A light emitting diode module as a compact light source for a lighting unit, said light emitting diode module comprising:

a red light emitting diode having an anode electrode on a top surface thereof and a cathode electrode on a rear surface thereof;

a green light emitting diode having an anode electrode and a cathode electrode on a top surface thereof;

a blue light emitting diode having an anode electrode and a cathode electrode on a top surface thereof;

a first lead frame on which said red light emitting diode and green light emitting diode are provided;

a second lead frame on which said blue light emitting diode is provided; and

a third lead frame, wherein an anode electrode of said red light emitting diode is connected via a bonding wire to the third lead frame;

a cathode electrode of said green light emitting diode is connected via a bonding wire to the first lead frame and also via a bonding wire to the anode electrode of the blue light emitting diode;

an anode electrode of said green light emitting diode is connected via a bonding wire to the cathode electrode of the blue light emitting diode; and

a cathode electrode of said blue light emitting diode is connected via a bonding wire to the second lead frame.

4. A light emitting diode module as a compact light source for a lighting unit, said light emitting diode module comprising:

first, second, and third terminals;

first and second light emitting diodes connected between the first and third terminals and also connected in inverse parallel to each other; and

third and fourth light emitting diodes connected between the second and third terminals and also connected in inverse parallel to each other.

5. The light emitting diode module of

claim 4

, wherein said first light emitting diode is a green light emitting diode, said third light emitting diode is a blue light emitting diode, and second and fourth light emitting diodes are red light emitting diodes.

6. A light emitting diode module as a compact light source for a lighting unit, said light emitting diode module comprising:

first and second red light emitting diode each having an anode electrode on a top surface thereof and a cathode electrode on a rear surface thereof;

a green light emitting diode having an anode electrode and a cathode electrode on a top surface thereof;

a blue light emitting diode having an anode electrode and a cathode electrode on a top surface thereof;

a first lead frame on which said first and second red light emitting diodes are provided;

a second lead frame on which said green light emitting diode is provided; and

a third lead frame on which said blue light emitting diode is provided, wherein an anode electrode of said first red light emitting diode is connected via a bonding wire to the second lead frame;

an anode electrode of said second red light emitting diode is connected via a bonding wire to the third lead frame;

an anode electrode of said green light emitting diode is connected via a bonding wire to the first lead frame with a cathode electrode thereof connected via a bonding wire to the second lead frame;

an anode electrode of said second red light emitting diode is connected via a bonding wire to the third lead frame;

an node electrode of said blue light emitting diode is connected via a bonding wire to the first lead frame with a cathode electrode thereof connected via a bonding wire to the third lead frame.